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authorrunge <runge>2006-07-04 16:09:22 +0000
committerrunge <runge>2006-07-04 16:09:22 +0000
commita7726a6f970f49c2bedac4926aa30de18d96ae41 (patch)
tree79c23911a3acba751461bcdc3db5d6b59364a433
parent9992160105b0433484bca804d62eb672aff113de (diff)
downloadlibtdevnc-a7726a6f.tar.gz
libtdevnc-a7726a6f.zip
x11vnc: more -unixpw work. add -license, etc. options
Diffstat
-rw-r--r--ChangeLog3
-rw-r--r--configure.ac2
-rw-r--r--x11vnc/ChangeLog6
-rw-r--r--x11vnc/README2180
-rw-r--r--x11vnc/connections.c42
-rw-r--r--x11vnc/connections.h1
-rw-r--r--x11vnc/cursor.c7
-rw-r--r--x11vnc/cursor.h1
-rw-r--r--x11vnc/help.c448
-rw-r--r--x11vnc/help.h1
-rw-r--r--x11vnc/inet.c9
-rw-r--r--x11vnc/pointer.c2
-rw-r--r--x11vnc/remote.c5
-rw-r--r--x11vnc/scan.c14
-rw-r--r--x11vnc/sslhelper.c78
-rw-r--r--x11vnc/sslhelper.h1
-rw-r--r--x11vnc/unixpw.c68
-rw-r--r--x11vnc/unixpw.h1
-rw-r--r--x11vnc/user.c26
-rw-r--r--x11vnc/userinput.c3
-rw-r--r--x11vnc/util.c26
-rw-r--r--x11vnc/x11vnc.197
-rw-r--r--x11vnc/x11vnc.c81
-rw-r--r--x11vnc/x11vnc_defs.c2
-rw-r--r--x11vnc/xevents.c5
25 files changed, 1908 insertions, 1201 deletions
diff --git a/ChangeLog b/ChangeLog
index 2e3ef6a..abe46ab 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,6 @@
+2006-07-04 Karl Runge <runge@karlrunge.com>
+ * configure.ac: add getspnam.
+
2006-06-08 Karl Runge <runge@karlrunge.com>
* prepare_x11vnc_dist.sh: to 0.8.2
diff --git a/configure.ac b/configure.ac
index 5cb5823..8555da3 100644
--- a/configure.ac
+++ b/configure.ac
@@ -445,7 +445,7 @@ AC_FUNC_VPRINTF
AC_FUNC_FORK
AC_CHECK_LIB(nsl,gethostbyname)
AC_CHECK_LIB(socket,socket)
-AC_CHECK_FUNCS([ftime gethostbyname gethostname gettimeofday inet_ntoa memmove memset mmap mkfifo select socket strchr strcspn strdup strerror strstr setsid setpgrp getpwuid getpwnam getuid geteuid setuid setgid seteuid setegid waitpid setutxent grantpt])
+AC_CHECK_FUNCS([ftime gethostbyname gethostname gettimeofday inet_ntoa memmove memset mmap mkfifo select socket strchr strcspn strdup strerror strstr setsid setpgrp getpwuid getpwnam getspnam getuid geteuid setuid setgid seteuid setegid waitpid setutxent grantpt])
# check, if shmget is in cygipc.a
AC_CHECK_LIB(cygipc,shmget)
diff --git a/x11vnc/ChangeLog b/x11vnc/ChangeLog
index 98992f9..b0a905e 100644
--- a/x11vnc/ChangeLog
+++ b/x11vnc/ChangeLog
@@ -1,3 +1,9 @@
+2006-07-04 Karl Runge <runge@karlrunge.com>
+ * x11vnc: 2nd -accept popup with WAIT, and UNIX: info for unixpw
+ login. Use RFB_CLIENT_ON_HOLD for -unixpw. -unixpw white arrow
+ -license option. Use getspnam if getpwnam is short.
+ abbrevs sc=, cm, ck for user:opts.
+
2006-06-23 Karl Runge <runge@karlrunge.com>
* x11vnc: misc cleanup.
diff --git a/x11vnc/README b/x11vnc/README
index 3110b72..1390af5 100644
--- a/x11vnc/README
+++ b/x11vnc/README
@@ -1,5 +1,5 @@
-x11vnc README file Date: Fri Jun 23 20:50:27 EDT 2006
+x11vnc README file Date: Tue Jul 4 12:02:55 EDT 2006
The following information is taken from these URLs:
@@ -320,50 +320,51 @@ vncviewer -via $host localhost:0 # must be TightVNC vncviewer.
Very Important: It is up to YOU to tell x11vnc to use password
protection (-rfbauth or -passwdfile), it will NOT do it for you
- automatically or force you to. The same goes for encrypting the
- channel between the viewer and x11vnc: it is up to you to use ssh,
- stunnel, [44]-ssl mode, a VPN, etc. For additional safety, also look
- into the -allow and -localhost [45]options and building x11vnc with
- [46]tcp_wrappers support to limit host access.
+ automatically or force you to (see [44]-usepw if you want to be forced
+ to). The same goes for encrypting the channel between the viewer and
+ x11vnc: it is up to you to use ssh, stunnel, [45]-ssl mode, a VPN,
+ etc. For additional safety, also look into the -allow and -localhost
+ [46]options and building x11vnc with [47]tcp_wrappers support to limit
+ host access.
_________________________________________________________________
Tunnelling x11vnc via SSL:
One can also encrypt the VNC traffic using an SSL tunnel such as
- [47]stunnel or using the built-in (Mar/2006) [48]-ssl openssl mode. A
+ [48]stunnel or using the built-in (Mar/2006) [49]-ssl openssl mode. A
SSL-enabled Java applet VNC Viewer is also provided (and https can be
used to download it).
Although not as ubiquitous as ssh, SSL tunnelling still provides a
- useful alternative. See [49]this FAQ on -ssl and -stunnel modes for
+ useful alternative. See [50]this FAQ on -ssl and -stunnel modes for
details and examples.
_________________________________________________________________
Downloading x11vnc:
- x11vnc is a contributed program to the [50]LibVNCServer project at
+ x11vnc is a contributed program to the [51]LibVNCServer project at
SourceForge.net. I use libvncserver for all of the VNC aspects; I
couldn't have done without it. The full source code may be found and
downloaded (either file-release tarball or CVS tree) from the above
- link. As of Jun 2006, the [51]x11vnc-0.8.1.tar.gz source package is
- released (recommended download). The [52]x11vnc 0.8.1 release notes.
+ link. As of Jun 2006, the [52]x11vnc-0.8.1.tar.gz source package is
+ released (recommended download). The [53]x11vnc 0.8.1 release notes.
The x11vnc package is the subset of the libvncserver package needed to
build the x11vnc program. Also, you can get a copy of my latest,
- bleeding edge [53]x11vnc-0.8.2.tar.gz tarball to build the most up to
+ bleeding edge [54]x11vnc-0.8.2.tar.gz tarball to build the most up to
date one.
- Precompiled Binaries/Packages: See the [54]FAQ below for information
+ Precompiled Binaries/Packages: See the [55]FAQ below for information
about where you might obtain a precompiled x11vnc binary from 3rd
parties and some ones I create.
To obtain VNC viewers for the viewing side (Windows, Mac OS, or Unix)
try these links:
- * [55]http://www.tightvnc.com/download.html
- * [56]http://www.realvnc.com/download-free.html
- * [57]http://sourceforge.net/projects/cotvnc/
- * [58]http://www.ultravnc.com/
+ * [56]http://www.tightvnc.com/download.html
+ * [57]http://www.realvnc.com/download-free.html
+ * [58]http://sourceforge.net/projects/cotvnc/
+ * [59]http://www.ultravnc.com/
More tools: Here is a rsh/ssh wrapper script rx11vnc that attempts to
@@ -374,8 +375,8 @@ vncviewer -via $host localhost:0 # must be TightVNC vncviewer.
rx11vnc.pl that attempts to tunnel the vnc traffic through an ssh port
redirection (and does not assume port 5900 is free). Have a look at
them to see what they do and customize as needed:
- * [59]rx11vnc wrapper script
- * [60]rx11vnc.pl wrapper script to tunnel traffic thru ssh
+ * [60]rx11vnc wrapper script
+ * [61]rx11vnc.pl wrapper script to tunnel traffic thru ssh
_________________________________________________________________
@@ -406,8 +407,8 @@ vncviewer -via $host localhost:0 # must be TightVNC vncviewer.
Note: Currently gcc is recommended to build libvncserver. In some
cases it will build with non-gcc compilers, but the resulting binary
sometimes fails to run properly. For Solaris pre-built gcc binaries
- are at [61]http://www.sunfreeware.com/. Some Solaris pre-built x11vnc
- binaries are [62]here.
+ are at [62]http://www.sunfreeware.com/. Some Solaris pre-built x11vnc
+ binaries are [63]here.
However, one user reports it does work fine when built with Sun Studio
10, so YMMV. In fact, here is a little build script to do this on
@@ -427,10 +428,10 @@ export MAKE AM_CFLAGS
$MAKE
In general you can use the "make -e" trick if you don't like
- libvncserver's choice of AM_CFLAGS. See the [63]build scripts below
+ libvncserver's choice of AM_CFLAGS. See the [64]build scripts below
for more ideas.
- You can find information on [64]Misc. Build problems here.
+ You can find information on [65]Misc. Build problems here.
_________________________________________________________________
@@ -468,9 +469,9 @@ r/sfw; make'
If your system does not have these libraries at all you can get the
source for the libraries to build them: libjpeg is available at
- [65]ftp://ftp.uu.net/graphics/jpeg/ and zlib at
- [66]http://www.gzip.org/zlib/. See also
- [67]http://www.sunfreeware.com/ for Solaris binary packages of these
+ [66]ftp://ftp.uu.net/graphics/jpeg/ and zlib at
+ [67]http://www.gzip.org/zlib/. See also
+ [68]http://www.sunfreeware.com/ for Solaris binary packages of these
libraries as well as for gcc. Normally they will install into
/usr/local but you can install them anywhere with the
--prefix=/path/to/anywhere, etc.
@@ -541,7 +542,7 @@ ls -l ./x11vnc/x11vnc
script.
If you need to build on Solaris 2.5.1 or earlier or other older Unix
- OS's, see [68]this workaround FAQ.
+ OS's, see [69]this workaround FAQ.
Building on FreeBSD, OpenBSD, ...: The jpeg libraries seem to be in
@@ -589,76 +590,76 @@ make
Summer 2006.
The version 0.8.2 beta tarball is kept here:
- [69]x11vnc-0.8.2.tar.gz
+ [70]x11vnc-0.8.2.tar.gz
There are also some Linux, Solaris, and other OS test binaries
- [70]here. Please kick the tires and report bugs, performance
- regressions, undesired behavior, etc. to [71]me.
+ [71]here. Please kick the tires and report bugs, performance
+ regressions, undesired behavior, etc. to [72]me.
Here are some features that appeared in the 0.8.1 release:
* Improved support for Webcams and TV tuner devices (/dev/video)
- with the [72]-rawfb option. E.g. "-rawfb video0" will autodetect
+ with the [73]-rawfb option. E.g. "-rawfb video0" will autodetect
the video WxHxB (requires Video4Linux buildtime or the v4l-info
utility). Use "-rawfb video -pipeinput VID" for a simple keystroke
utility to configure the capture device.
- * Convenience utility [73]-rawfb cons to connect to the linux
+ * Convenience utility [74]-rawfb cons to connect to the linux
console (/dev/fb0) and inject keystrokes into it (/dev/ttyX). Like
LinuxVNC or -pipeinput vcinject.pl, but now built in.
- * The [74]-24to32 option provides automatic translation from 24bpp
+ * The [75]-24to32 option provides automatic translation from 24bpp
to 32bpp framebuffers to avoid problems with viewers, etc (often
needed for webcams).
- * The [75]-usepw option will try to use your existing ~/.vnc/passwd
+ * The [76]-usepw option will try to use your existing ~/.vnc/passwd
or ~/.vnc/passwdfile passwords or otherwise prompt you to create
one (the server exits unless a password file is found and used).
Use "x11vnc -storepasswd" to prompt for a password without echoing
and save it in ~/.vnc/passwd
* The X CLIPBOARD selection is now managed in addition to PRIMARY.
- Use [76]-noclipboard and [77]-nosetclipboard for the previous
+ Use [77]-noclipboard and [78]-nosetclipboard for the previous
PRIMARY-only behavior.
- * Use [78]-capslock and [79]-skip_lockkeys to help manage CapsLocks
+ * Use [79]-capslock and [80]-skip_lockkeys to help manage CapsLocks
behavior better.
- * The [80]-fbpm option provides FBPM support for hardware that
+ * The [81]-fbpm option provides FBPM support for hardware that
provides framebuffer power management (it needs to be disabled
when vnc clients are connected).
- * The [81]-xinerama option is now on by default. Use -noxinerama
+ * The [82]-xinerama option is now on by default. Use -noxinerama
option to disable.
* Bug fixes and speedups.
Here are some features that will appear in the 0.8.2 release:
- * The [82]-ssl option provides SSL encryption and authentication
- natively via the [83]www.openssl.org library. One can use from a
+ * The [83]-ssl option provides SSL encryption and authentication
+ natively via the [84]www.openssl.org library. One can use from a
simple self-signed certificate server certificate up to full CA
and client certificate authentication schemes.
- * The [84]-stunnel option starts up a SSL tunnel server stunnel
+ * The [85]-stunnel option starts up a SSL tunnel server stunnel
(that must be installed separately on the system:
- [85]www.stunnel.org) to allow only encrypted SSL connections from
+ [86]www.stunnel.org) to allow only encrypted SSL connections from
the network.
- * The [86]-sslverify option allows for authenticating VNC clients
+ * The [87]-sslverify option allows for authenticating VNC clients
via their certificates in either -ssl or -stunnel modes.
* An SSL enabled Java applet VNC Viewer applet is provided in
classes/ssl/VncViewer.jar. It may also be loaded into the web
browser via https (http over SSL) in addition to http. (via the
- VNC port or also by the separate [87]-https port option). A
- wrapper shell script [88]ssl_vncviewer is also provided that sets
+ VNC port or also by the separate [88]-https port option). A
+ wrapper shell script [89]ssl_vncviewer is also provided that sets
up a stunnel client-side tunnel on Unix systems.
- * The [89]-unixpw option supports Unix username and password
- authentication (a variant is the [90]-unixpw_nis option that works
- in NIS environments). The [91]-ssl or [92]-localhost +
- [93]-stunnel options are enforced in this mode to prevent password
+ * The [90]-unixpw option supports Unix username and password
+ authentication (a variant is the [91]-unixpw_nis option that works
+ in NIS environments). The [92]-ssl or [93]-localhost +
+ [94]-stunnel options are enforced in this mode to prevent password
sniffing. As a convenience, the -ssl or -stunnel requirements are
lifted if a SSH tunnel can be deduced (but -localhost still
applies).
- * The [94]-display WAIT:... option extends the normal [95]-display
+ * The [95]-display WAIT:... option extends the normal [96]-display
option by having x11vnc wait until a VNC viewer connects before
attaching to an X display. A command can also be supplied that
will determine the DISPLAY and XAUTHORITY data. A default one is
built-in for WAIT:cmd=FINDDISPLAY. Coupling this with "-unixpw
-users unixpw=" provides a way to allow a user to login with their
UNIX password and have their display connected to
- [96]automatically.
+ [97]automatically.
- Here are some [97]previous release notes
+ Here are some [98]previous release notes
_________________________________________________________________
Some Notes:
@@ -685,11 +686,11 @@ make
protocol.) I suggest using xsetroot, dtstyle or similar utility to set
a solid background while using x11vnc. You can turn the pretty
background image back on when you are using the display directly.
- Update: As of Feb/2005 x11vnc has the [98]-solid [color] option that
+ Update: As of Feb/2005 x11vnc has the [99]-solid [color] option that
works on recent GNOME, KDE, and CDE and also on classic X (background
image is on the root window).
- I also find the [99]TightVNC encoding gives the best response for my
+ I also find the [100]TightVNC encoding gives the best response for my
usage (Unix <-> Unix over cable modem). One needs a tightvnc-aware
vncviewer to take advantage of this encoding.
@@ -701,16 +702,16 @@ make
is X11's default listening port). Had port 5900 been taken by some
other application, x11vnc would have next tried 5901. That would mean
the viewer command above should be changed to vncviewer
- far-away.east:1. You can force the port with the "[100]-rfbport NNNN"
+ far-away.east:1. You can force the port with the "[101]-rfbport NNNN"
option where NNNN is the desired port number. If that port is already
taken, x11vnc will exit immediately. (also see the "SunRay Gotcha"
note below)
Options: x11vnc has (far too) many features that may be activated
- via its [101]command line options. Useful options are, e.g., -scale to
+ via its [102]command line options. Useful options are, e.g., -scale to
do server-side scaling, and -rfbauth passwd-file to use VNC password
protection (the vncpasswd or storepasswd programs, or the x11vnc
- [102]-storepasswd option can be used to create the password file).
+ [103]-storepasswd option can be used to create the password file).
Algorithm: How does x11vnc do it? Rather brute-forcedly: it
continuously polls the X11 framebuffer for changes using
@@ -737,7 +738,7 @@ make
first testing out the programs. You get an interesting
recursive/feedback effect where vncviewer images keep popping up each
one contained in the previous one and slightly shifted a bit by the
- window manager decorations. There will be an [103]even more
+ window manager decorations. There will be an [104]even more
interesting effect if -scale is used. Also, if the XKEYBOARD is
supported and the XBell "beeps" once, you get an infinite loop of
beeps going off. Although all of this is mildly exciting it is not
@@ -747,8 +748,8 @@ make
Sun Ray Notes:
- You can run x11vnc on your (connected or disconnected) [104]SunRay
- session. Here are some [105]notes on SunRay usage with x11vnc.
+ You can run x11vnc on your (connected or disconnected) [105]SunRay
+ session. Here are some [106]notes on SunRay usage with x11vnc.
_________________________________________________________________
@@ -760,7 +761,7 @@ make
than you normally do to minimize the effects (e.g. do fullpage
paging rather than line-by-line scrolling, and move windows in a
single, quick motion). Recent work has provided the
- [106]-scrollcopyrect and [107]-wireframe speedups using the
+ [107]-scrollcopyrect and [108]-wireframe speedups using the
CopyRect VNC encoding and other things, but they only speed up
certain activities, not all.
* A rate limiting factor for x11vnc performance is that video
@@ -807,14 +808,14 @@ make
be of use for special purpose applications.
Also, a faster and more accurate way is to use the "dummy"
XFree86/Xorg device driver (or our Xdummy wrapper script). See
- [108]this FAQ for details.
+ [109]this FAQ for details.
* Somewhat surprisingly, the X11 mouse (cursor) shape is write-only
and cannot be queried from the X server. So traditionally in
x11vnc the cursor shape stays fixed at an arrow. (see the "-cursor
- X" and "-cursor some" [109]options, however, for a partial hack
+ X" and "-cursor some" [110]options, however, for a partial hack
for the root window, etc.). However, on Solaris using the SUN_OVL
overlay extension, x11vnc can show the correct mouse cursor when
- the [110]-overlay option is also supplied. A similar thing is done
+ the [111]-overlay option is also supplied. A similar thing is done
on IRIX as well when -overlay is supplied.
More generally, as of Dec/2004 x11vnc supports the new XFIXES
extension (in Xorg and Solaris 10) to query the X server for the
@@ -822,20 +823,20 @@ make
with transparency (alpha channel) need to approximated to solid
RGB values (some cursors look worse than others).
* Audio from applications is of course not redirected (separate
- redirectors do exist, e.g. esd [111]the FAQ on this below.) The
+ redirectors do exist, e.g. esd [112]the FAQ on this below.) The
XBell() "beeps" will work if the X server supports the XKEYBOARD
extension. (Note that on Solaris XKEYBOARD is disabled by default.
Passing +kb to Xsun enables it).
- * The scroll detection algorithm for the [112]-scrollcopyrect option
+ * The scroll detection algorithm for the [113]-scrollcopyrect option
can give choppy or bunched up transient output and occasionally
painting errors.
* Occasionally a patch of tiles will not get updated correctly.
Evidently a timing related bug and difficult to reproduce...
* Using -threads can expose some bugs in libvncserver.
- Please feel free to [113]contact me if you have any questions,
+ Please feel free to [114]contact me if you have any questions,
problems, or comments about x11vnc, etc.
- Also, some people ask if they can make a donation, see [114]this link
+ Also, some people ask if they can make a donation, see [115]this link
for that.
_________________________________________________________________
@@ -844,327 +845,327 @@ make
[Building and Starting]
- [115]Q-1: I can't get x11vnc to start up. It says "XOpenDisplay failed
+ [116]Q-1: I can't get x11vnc to start up. It says "XOpenDisplay failed
(null)" or "Xlib: connection to ":0.0" refused by server Xlib: No
protocol specified" and then exits. What do I need to do?
- [116]Q-2: I can't get x11vnc and/or libvncserver to compile.
+ [117]Q-2: I can't get x11vnc and/or libvncserver to compile.
- [117]Q-3: I just built x11vnc successfully, but when I use it my
+ [118]Q-3: I just built x11vnc successfully, but when I use it my
keystrokes and mouse button clicks are ignored (I am able to move the
mouse though).
- [118]Q-4: Help, I need to run x11vnc on Solaris 2.5.1 (or other old
+ [119]Q-4: Help, I need to run x11vnc on Solaris 2.5.1 (or other old
Unix/Linux) and it doesn't compile!
- [119]Q-5: Where can I get a precompiled x11vnc binary for my Operating
+ [120]Q-5: Where can I get a precompiled x11vnc binary for my Operating
System?
- [120]Q-6: Where can I get a VNC Viewer binary (or source code) for the
+ [121]Q-6: Where can I get a VNC Viewer binary (or source code) for the
Operating System I will be viewing from?
- [121]Q-7: How can I see all of x11vnc's command line options and
+ [122]Q-7: How can I see all of x11vnc's command line options and
documentation on how to use them?
- [122]Q-8: I don't like typing arcane command line options every time I
+ [123]Q-8: I don't like typing arcane command line options every time I
start x11vnc. What can I do? Is there a config file? Or a GUI?
- [123]Q-9: How can I get the GUI to run in the System Tray, or at least
+ [124]Q-9: How can I get the GUI to run in the System Tray, or at least
be a smaller, simpler icon?
- [124]Q-10: Can I make x11vnc more quiet and also go into the
+ [125]Q-10: Can I make x11vnc more quiet and also go into the
background after starting up?
- [125]Q-11: Sometimes when a VNC viewer dies abruptly, x11vnc also dies
+ [126]Q-11: Sometimes when a VNC viewer dies abruptly, x11vnc also dies
with the error message like: "Broken pipe". I'm using the -forever
mode and I want x11vnc to keep running.
- [126]Q-12: Are there any build-time customizations possible, e.g.
+ [127]Q-12: Are there any build-time customizations possible, e.g.
change defaults, create a smaller binary, etc?
[Win2VNC Related]
- [127]Q-13: I have two separate machine displays in front of me, one
+ [128]Q-13: I have two separate machine displays in front of me, one
Windows the other X11: can I use x11vnc in combination with Win2VNC in
dual-screen mode to pass the keystrokes and mouse motions to the X11
display?
- [128]Q-14: I am running Win2VNC on my Windows machine and "x11vnc
+ [129]Q-14: I am running Win2VNC on my Windows machine and "x11vnc
-nofb" on Unix to pass keyboard and mouse to the Unix monitor.
Whenever I start Win2VNC it quickly disconnects and x11vnc says:
rfbProcessClientNormalMessage: read: Connection reset by peer
[Color Issues]
- [129]Q-15: The X display I run x11vnc on is only 8 bits per pixel
+ [130]Q-15: The X display I run x11vnc on is only 8 bits per pixel
(bpp) PseudoColor (i.e. only 256 distinct colors). The x11vnc colors
may start out OK, but after a while they are incorrect in certain
windows.
- [130]Q-16: Color problems: Why are the colors for some windows
+ [131]Q-16: Color problems: Why are the colors for some windows
incorrect in x11vnc? BTW, my X display has nice overlay/multi-depth
visuals of different color depths: e.g. there are both depth 8 and 24
visuals available at the same time.
- [131]Q-17: How do I figure out the window id to supply to the -id
+ [132]Q-17: How do I figure out the window id to supply to the -id
windowid option?
- [132]Q-18: Why don't menus or other transient windows come up when I
+ [133]Q-18: Why don't menus or other transient windows come up when I
am using the -id windowid option to view a single application window?
- [133]Q-19: My X display is depth 24 at 24bpp (instead of the normal
+ [134]Q-19: My X display is depth 24 at 24bpp (instead of the normal
depth 24 at 32bpp). I'm having lots of color and visual problems with
x11vnc and/or vncviewer. What's up?
[Xterminals]
- [134]Q-20: Can I use x11vnc to view and interact with an Xterminal
+ [135]Q-20: Can I use x11vnc to view and interact with an Xterminal
(e.g. NCD) that is not running UNIX and so x11vnc cannot be run on it
directly?
- [135]Q-21: How do I get my X permissions (MIT-MAGIC-COOKIE file)
+ [136]Q-21: How do I get my X permissions (MIT-MAGIC-COOKIE file)
correct for a Unix/Linux machine acting as an Xterminal?
[Sun Rays]
- [136]Q-22: I'm having trouble using x11vnc with my Sun Ray session.
+ [137]Q-22: I'm having trouble using x11vnc with my Sun Ray session.
[Remote Control]
- [137]Q-23: How do I stop x11vnc once it is running in the background?
+ [138]Q-23: How do I stop x11vnc once it is running in the background?
- [138]Q-24: Can I change settings in x11vnc without having to restart
+ [139]Q-24: Can I change settings in x11vnc without having to restart
it? Can I remote control it?
[Security and Permissions]
- [139]Q-25: How do I create a VNC password for use with x11vnc?
+ [140]Q-25: How do I create a VNC password for use with x11vnc?
- [140]Q-26: Can I make it so -storepasswd doesn't show my password on
+ [141]Q-26: Can I make it so -storepasswd doesn't show my password on
the screen?
- [141]Q-27: Can I have two passwords for VNC viewers, one for full
+ [142]Q-27: Can I have two passwords for VNC viewers, one for full
access and the other for view-only access to the display?
- [142]Q-28: Can I have as many full-access and view-only passwords as I
+ [143]Q-28: Can I have as many full-access and view-only passwords as I
like?
- [143]Q-29: Does x11vnc support Unix usernames and passwords? Can I
+ [144]Q-29: Does x11vnc support Unix usernames and passwords? Can I
further limit the set of Unix usernames who can connect to the VNC
desktop?
- [144]Q-30: Why does x11vnc exit as soon as the VNC viewer disconnects?
+ [145]Q-30: Why does x11vnc exit as soon as the VNC viewer disconnects?
And why doesn't it allow more than one VNC viewer to connect at the
same time?
- [145]Q-31: Can I limit which machines incoming VNC clients can connect
+ [146]Q-31: Can I limit which machines incoming VNC clients can connect
from?
- [146]Q-32: How do I build x11vnc/libvncserver with libwrap
+ [147]Q-32: How do I build x11vnc/libvncserver with libwrap
(tcp_wrappers) support?
- [147]Q-33: Can I have x11vnc only listen on one network interface
+ [148]Q-33: Can I have x11vnc only listen on one network interface
(e.g. internal LAN) rather than having it listen on all network
interfaces and relying on -allow to filter unwanted connections out?
- [148]Q-34: Now that -localhost implies listening only on the loopback
+ [149]Q-34: Now that -localhost implies listening only on the loopback
interface, how I can occasionally allow in a non-localhost via the -R
allowonce remote control command?
- [149]Q-35: Can I fine tune what types of user input are allowed? E.g.
+ [150]Q-35: Can I fine tune what types of user input are allowed? E.g.
have some users just be able to move the mouse, but not click or type
anything?
- [150]Q-36: Can I prompt the user at the local X display whether the
+ [151]Q-36: Can I prompt the user at the local X display whether the
incoming VNC client should be accepted or not? Can I decide to make
some clients view-only? How about running an arbitrary program to make
the decisions?
- [151]Q-37: I start x11vnc as root because it is launched via inetd(8)
+ [152]Q-37: I start x11vnc as root because it is launched via inetd(8)
or a display manager like gdm(1). Can I have x11vnc later switch to a
different user?
- [152]Q-38: I use a screen-lock when I leave my workstation (e.g.
+ [153]Q-38: I use a screen-lock when I leave my workstation (e.g.
xscreensaver or xlock). When I remotely access my workstation desktop
via x11vnc I can unlock the desktop fine, but I am worried people will
see my activities on the physical monitor. What can I do to prevent
this, or at least make it more difficult?
- [153]Q-39: Can I have x11vnc automatically lock the screen when I
+ [154]Q-39: Can I have x11vnc automatically lock the screen when I
disconnect the VNC viewer?
[Encrypted Connections]
- [154]Q-40: How can I tunnel my connection to x11vnc via an encrypted
+ [155]Q-40: How can I tunnel my connection to x11vnc via an encrypted
SSH channel between two Unix machines?
- [155]Q-41: How can I tunnel my connection to x11vnc via an encrypted
+ [156]Q-41: How can I tunnel my connection to x11vnc via an encrypted
SSH channel from Windows using an SSH client like Putty?
- [156]Q-42: How can I tunnel my connection to x11vnc via an encrypted
+ [157]Q-42: How can I tunnel my connection to x11vnc via an encrypted
SSL channel using an external tool like stunnel?
- [157]Q-43: Does x11vnc have built-in SSL tunneling?
+ [158]Q-43: Does x11vnc have built-in SSL tunneling?
- [158]Q-44: How do I use VNC Viewers with built-in SSL tunneling?
+ [159]Q-44: How do I use VNC Viewers with built-in SSL tunneling?
- [159]Q-45: How do I use VNC Viewers with built-in SSL tunneling when
+ [160]Q-45: How do I use VNC Viewers with built-in SSL tunneling when
going through a Web Proxy?
- [160]Q-46: Can Apache web server act as a gateway for users to connect
+ [161]Q-46: Can Apache web server act as a gateway for users to connect
via SSL from the Internet with a Web browser to x11vnc running on
their workstations behind a firewall?
- [161]Q-47: Can I create and use my own SSL Certificate Authority (CA)
+ [162]Q-47: Can I create and use my own SSL Certificate Authority (CA)
with x11vnc?
[Display Managers and Services]
- [162]Q-48: How can I run x11vnc as a "service" that is always
+ [163]Q-48: How can I run x11vnc as a "service" that is always
available?
- [163]Q-49: How can I use x11vnc to connect to an X login screen like
+ [164]Q-49: How can I use x11vnc to connect to an X login screen like
xdm, GNOME gdm, KDE kdm, or CDE dtlogin? (i.e. nobody is logged into
an X session yet).
- [164]Q-50: Can I run x11vnc out of inetd(8)? How about xinetd(8)?
+ [165]Q-50: Can I run x11vnc out of inetd(8)? How about xinetd(8)?
- [165]Q-51: Can I have x11vnc allow a user to log in with her UNIX
+ [166]Q-51: Can I have x11vnc allow a user to log in with her UNIX
password and then have it find her X display on that machine and
connect to it?
- [166]Q-52: Can I have x11vnc restart itself after it terminates?
+ [167]Q-52: Can I have x11vnc restart itself after it terminates?
- [167]Q-53: How do I make x11vnc work with the Java VNC viewer applet
+ [168]Q-53: How do I make x11vnc work with the Java VNC viewer applet
in a web browser?
- [168]Q-54: Are reverse connections (i.e. the VNC server connecting to
+ [169]Q-54: Are reverse connections (i.e. the VNC server connecting to
the VNC viewer) using "vncviewer -listen" and vncconnect(1) supported?
- [169]Q-55: Can I use x11vnc as a replacement for Xvnc? (i.e. not for a
+ [170]Q-55: Can I use x11vnc as a replacement for Xvnc? (i.e. not for a
real display, but for a virtual one I keep around).
- [170]Q-56: How can I use x11vnc on "headless" machines? Why might I
+ [171]Q-56: How can I use x11vnc on "headless" machines? Why might I
want to?
[Resource Usage and Performance]
- [171]Q-57: I have lots of memory, but why does x11vnc fail with
+ [172]Q-57: I have lots of memory, but why does x11vnc fail with
shmget: No space left on device or Minor opcode of failed
request: 1 (X_ShmAttach)?
- [172]Q-58: How can I make x11vnc use less system resources?
+ [173]Q-58: How can I make x11vnc use less system resources?
- [173]Q-59: How can I make x11vnc use MORE system resources?
+ [174]Q-59: How can I make x11vnc use MORE system resources?
- [174]Q-60: I use x11vnc over a slow link with high latency (e.g.
+ [175]Q-60: I use x11vnc over a slow link with high latency (e.g.
dialup modem), is there anything I can do to speed things up?
- [175]Q-61: Does x11vnc support the X DAMAGE Xserver extension to find
+ [176]Q-61: Does x11vnc support the X DAMAGE Xserver extension to find
modified regions of the screen quickly and efficiently?
- [176]Q-62: When I drag windows around with the mouse or scroll up and
+ [177]Q-62: When I drag windows around with the mouse or scroll up and
down things really bog down (unless I do the drag in a single, quick
motion). Is there anything to do to improve things?
- [177]Q-63: Why not do something like wireframe animations to avoid the
+ [178]Q-63: Why not do something like wireframe animations to avoid the
windows "lurching" when being moved or resized?
- [178]Q-64: Can x11vnc try to apply heuristics to detect when an window
+ [179]Q-64: Can x11vnc try to apply heuristics to detect when an window
is scrolling its contents and use the CopyRect encoding for a speedup?
[Mouse Cursor Shapes]
- [179]Q-65: Why isn't the mouse cursor shape (the little icon shape
+ [180]Q-65: Why isn't the mouse cursor shape (the little icon shape
where the mouse pointer is) correct as I move from window to window?
- [180]Q-66: When using XFIXES cursorshape mode, some of the cursors
+ [181]Q-66: When using XFIXES cursorshape mode, some of the cursors
look really bad with extra black borders around the cursor and other
cruft. How can I improve their appearance?
- [181]Q-67: In XFIXES mode, are there any hacks to handle cursor
+ [182]Q-67: In XFIXES mode, are there any hacks to handle cursor
transparency ("alpha channel") exactly?
[Mouse Pointer]
- [182]Q-68: Why does the mouse arrow just stay in one corner in my
+ [183]Q-68: Why does the mouse arrow just stay in one corner in my
vncviewer, whereas my cursor (that does move) is just a dot?
- [183]Q-69: Can I take advantage of the TightVNC extension to the VNC
+ [184]Q-69: Can I take advantage of the TightVNC extension to the VNC
protocol where Cursor Positions Updates are sent back to all connected
clients (i.e. passive viewers can see the mouse cursor being moved
around by another viewer)?
- [184]Q-70: Is it possible to swap the mouse buttons (e.g. left-handed
+ [185]Q-70: Is it possible to swap the mouse buttons (e.g. left-handed
operation), or arbitrarily remap them? How about mapping button clicks
to keystrokes, e.g. to partially emulate Mouse wheel scrolling?
[Keyboard Issues]
- [185]Q-71: How can I get my AltGr and Shift modifiers to work between
+ [186]Q-71: How can I get my AltGr and Shift modifiers to work between
keyboards for different languages?
- [186]Q-72: When I try to type a "<" (i.e. less than) instead I get ">"
+ [187]Q-72: When I try to type a "<" (i.e. less than) instead I get ">"
(i.e. greater than)! Strangely, typing ">" works OK!!
- [187]Q-73: When I try to type a "<" (i.e. less than) instead I get
+ [188]Q-73: When I try to type a "<" (i.e. less than) instead I get
"<," (i.e. an extra comma).
- [188]Q-74: I'm using an "international" keyboard (e.g. German "de", or
+ [189]Q-74: I'm using an "international" keyboard (e.g. German "de", or
Danish "dk") and the -modtweak mode works well if the VNC viewer is
run on a Unix/Linux machine with a similar keyboard. But if I run
the VNC viewer on Unix/Linux with a different keyboard (e.g. "us") or
Windows with any keyboard, I can't type some keys like: "@", "$",
"<", ">", etc. How can I fix this?
- [189]Q-75: When typing I sometimes get double, triple, or more of my
+ [190]Q-75: When typing I sometimes get double, triple, or more of my
keystrokes repeated. I'm sure I only typed them once, what can I do?
- [190]Q-76: The x11vnc -norepeat mode is in effect, but I still get
+ [191]Q-76: The x11vnc -norepeat mode is in effect, but I still get
repeated keystrokes!!
- [191]Q-77: The machine where I run x11vnc has an AltGr key, but the
+ [192]Q-77: The machine where I run x11vnc has an AltGr key, but the
local machine where I run the VNC viewer does not. Is there a way I
can map a local unused key to send an AltGr? How about a Compose key
as well?
- [192]Q-78: I have a Sun machine I run x11vnc on. Its Sun keyboard has
+ [193]Q-78: I have a Sun machine I run x11vnc on. Its Sun keyboard has
just one Alt key labelled "Alt" and two Meta keys labelled with little
diamonds. The machine where I run the VNC viewer only has Alt keys.
How can I send a Meta keypress? (e.g. emacs needs this)
- [193]Q-79: Can I map a keystroke to a mouse button click on the remote
+ [194]Q-79: Can I map a keystroke to a mouse button click on the remote
machine?
- [194]Q-80: How can I get Caps_Lock to work between my VNC viewer and
+ [195]Q-80: How can I get Caps_Lock to work between my VNC viewer and
x11vnc?
[Screen Related Issues and Features]
- [195]Q-81: The remote display is larger (in number of pixels) than the
+ [196]Q-81: The remote display is larger (in number of pixels) than the
local display I am running the vncviewer on. I don't like the
vncviewer scrollbars, what I can do?
- [196]Q-82: Does x11vnc support server-side framebuffer scaling? (E.g.
+ [197]Q-82: Does x11vnc support server-side framebuffer scaling? (E.g.
to make the desktop smaller).
- [197]Q-83: Does x11vnc work with Xinerama? (i.e. multiple monitors
+ [198]Q-83: Does x11vnc work with Xinerama? (i.e. multiple monitors
joined together to form one big, single screen).
- [198]Q-84: Can I use x11vnc on a multi-headed display that is not
+ [199]Q-84: Can I use x11vnc on a multi-headed display that is not
Xinerama (i.e. separate screens :0.0, :0.1, ... for each monitor)?
- [199]Q-85: Can x11vnc show only a portion of the display? (E.g. for a
+ [200]Q-85: Can x11vnc show only a portion of the display? (E.g. for a
special purpose rfb application).
- [200]Q-86: Does x11vnc support the XRANDR (X Resize, Rotate and
+ [201]Q-86: Does x11vnc support the XRANDR (X Resize, Rotate and
Reflection) extension? Whenever I rotate or resize the screen x11vnc
just seems to crash.
- [201]Q-87: Why is the view in my VNC viewer completely black? Or why
+ [202]Q-87: Why is the view in my VNC viewer completely black? Or why
is everything flashing around randomly?
- [202]Q-88: I use Linux Virtual Consoles (VC's) to implement 'Fast User
+ [203]Q-88: I use Linux Virtual Consoles (VC's) to implement 'Fast User
Switching' between users' sessions (e.g. Betty is on Ctrl-Alt-F7,
Bobby is on Ctrl-Alt-F8, and Sid is on Ctrl-Alt-F1: they use those
keystrokes to switch between their sessions). How come the view in a
@@ -1172,15 +1173,15 @@ make
otherwise all messed up unless the X session x11vnc is attached to is
in the active VC?
- [203]Q-89: Can I use x11vnc to view my VMWare session remotely?
+ [204]Q-89: Can I use x11vnc to view my VMWare session remotely?
- [204]Q-90: Can non-X devices (e.g. a raw framebuffer) be viewed (and
+ [205]Q-90: Can non-X devices (e.g. a raw framebuffer) be viewed (and
even controlled) with VNC via x11vnc?
- [205]Q-91: Can I export via VNC a Webcam or TV tuner framebuffer using
+ [206]Q-91: Can I export via VNC a Webcam or TV tuner framebuffer using
x11vnc?
- [206]Q-92: I am using x11vnc where my local machine has "popup/hidden
+ [207]Q-92: I am using x11vnc where my local machine has "popup/hidden
taskbars" (e.g. GNOME or MacOS X) and the remote display where x11vnc
runs also has "popup/hidden taskbars" (e.g. GNOME). When I move the
mouse to the edge of the screen where the popups happen, the taskbars
@@ -1188,18 +1189,18 @@ make
[Misc: Clipboard, File Transfer, Sound, Beeps, Thanks, etc.]
- [207]Q-93: Does the Clipboard/Selection get transferred between the
+ [208]Q-93: Does the Clipboard/Selection get transferred between the
vncviewer and the X display?
- [208]Q-94: Can I transfer files back and forth with x11vnc?
+ [209]Q-94: Can I transfer files back and forth with x11vnc?
- [209]Q-95: How can I hear the sound (audio) from the remote
+ [210]Q-95: How can I hear the sound (audio) from the remote
applications on the desktop I am viewing via x11vnc?
- [210]Q-96: Why don't I hear the "Beeps" in my X session (e.g. when
+ [211]Q-96: Why don't I hear the "Beeps" in my X session (e.g. when
typing tput bel in an xterm)?
- [211]Q-97: Thanks for your program and for your help! Can I make a
+ [212]Q-97: Thanks for your program and for your help! Can I make a
donation?
_________________________________________________________________
@@ -1212,7 +1213,7 @@ make
For the former error, you need to specify the X display to connect to
(it also needs to be on the same machine the x11vnc process is to run
- on). Set your DISPLAY environment variable or use the [212]-display
+ on). Set your DISPLAY environment variable or use the [213]-display
option to specify it. Nearly always the correct value will be ":0"
@@ -1229,7 +1230,7 @@ make
How to Solve: See the xauth(1), Xsecurity(7), and xhost(1) man pages
for much info on X11 permissions. For example, you may need to set
- your XAUTHORITY environment variable or use the [213]-auth option to
+ your XAUTHORITY environment variable or use the [214]-auth option to
point to the correct MIT-MAGIC-COOKIE file (e.g. /home/joe/.Xauthority
or /var/gdm/:0.Xauth or /var/lib/kdm/A:0-crWk72K or /tmp/.gdmzndVlR),
or simply be sure you run x11vnc as the correct user (i.e. the user
@@ -1251,7 +1252,7 @@ make
x11vnc -display :0 -auth /var/gdm/:0.Xauth
(this is for the display manager gdm and requires root permission to
- read the gdm cookie file, see [214]this faq for other display manager
+ read the gdm cookie file, see [215]this faq for other display manager
cookie file names). While running x11vnc as root, remember it comes
with no warranty ;-).
@@ -1261,7 +1262,7 @@ make
(from the same machine). The person could then type "xhost -localhost"
after x11vnc has connected to go back to the default permissions.
Also, for some situations the "-users lurk=" option may be of use
- (please read the documentation on the [215]-users option).
+ (please read the documentation on the [216]-users option).
To test out your X11 permissions from a remote shell, set DISPLAY and
possibly XAUTHORITY (see your shell's man page, bash(1), tcsh(1), on
@@ -1373,7 +1374,7 @@ h
earlier and perhaps non-Solaris):
First use the environment settings (CPPFLAGS, LDFLAGS, etc.) in the
- above [216]Solaris build script to run the configure command. That
+ above [217]Solaris build script to run the configure command. That
should succeed without failure. Then you have to hand edit the
autogenerated rfb/rfbconfig.h file in the source tree, and just before
the last #endif at the bottom of that file insert these workaround
@@ -1399,7 +1400,7 @@ typedef unsigned int in_addr_t;
on other older OS (Solaris, Linux, ...) releases.
Here are some notes for similar steps that need to be done to build on
- [217]SunOS 4.x
+ [218]SunOS 4.x
Please let us know if you had to use the above workaround (and whether
it worked or not). If there is enough demand we will try to push clean
@@ -1409,28 +1410,28 @@ typedef unsigned int in_addr_t;
Q-5: Where can I get a precompiled x11vnc binary for my Operating
System?
- Hopefully the [218]build steps above and [219]FAQ provide enough info
+ Hopefully the [219]build steps above and [220]FAQ provide enough info
for a painless compile for most environments. Please report problems
with the x11vnc configure, make, etc. on your system (if your system
is known to compile other GNU packages successfully).
There are precompiled x11vnc binaries built by other groups that are
available at the following locations:
- Debian: (.deb) [220]http://packages.debian.org/x11vnc
-
- Slackware: (.tgz) [221]http://www.linuxpackages.net/ Redhat/Fedora:
- (.rpm) [222]http://dag.wieers.com/packages/x11vnc/
- [223]http://dries.ulyssis.org/rpm/packages/x11vnc SuSE: (.rpm)
- [224]http://linux01.gwdg.de/~pbleser/ Solaris: (pkg)
- [225]http://www.sunfreeware.com/ FreeBSD: (.tbz)
- [226]http://www.freebsd.org/ [227]http://www.freshports.org/net/x11vnc
- OpenBSD: (.tgz) [228]http://www.openbsd.org/ NetBSD: (src)
- [229]http://pkgsrc.se/x11/x11vnc Nokia 770 (.deb)
- [230]http://mike.saunby.net/770/x11vnc/ Sharp Zaurus
- [231]http://www.pdaxrom.org/ and [232]http://www.focv.com/
+ Debian: (.deb) [221]http://packages.debian.org/x11vnc
+
+ Slackware: (.tgz) [222]http://www.linuxpackages.net/ Redhat/Fedora:
+ (.rpm) [223]http://dag.wieers.com/packages/x11vnc/
+ [224]http://dries.ulyssis.org/rpm/packages/x11vnc SuSE: (.rpm)
+ [225]http://linux01.gwdg.de/~pbleser/ Solaris: (pkg)
+ [226]http://www.sunfreeware.com/ FreeBSD: (.tbz)
+ [227]http://www.freebsd.org/ [228]http://www.freshports.org/net/x11vnc
+ OpenBSD: (.tgz) [229]http://www.openbsd.org/ NetBSD: (src)
+ [230]http://pkgsrc.se/x11/x11vnc Nokia 770 (.deb)
+ [231]http://mike.saunby.net/770/x11vnc/ Sharp Zaurus
+ [232]http://www.pdaxrom.org/ and [233]http://www.focv.com/
If the above binaries don't work and building x11vnc on your OS fails
- (and all else fails!) you can try one of [233]my collection of
+ (and all else fails!) you can try one of [234]my collection of
binaries for various OS's and x11vnc releases.
As a general note, the x11vnc program is simple enough you don't
@@ -1451,10 +1452,10 @@ typedef unsigned int in_addr_t;
To obtain VNC viewers for the viewing side (Windows, Mac OS, or Unix)
try here:
- * [234]http://www.tightvnc.com/download.html
- * [235]http://www.realvnc.com/download-free.html
- * [236]http://sourceforge.net/projects/cotvnc/
- * [237]http://www.ultravnc.com/
+ * [235]http://www.tightvnc.com/download.html
+ * [236]http://www.realvnc.com/download-free.html
+ * [237]http://sourceforge.net/projects/cotvnc/
+ * [238]http://www.ultravnc.com/
Q-7: How can I see all of x11vnc's command line options and
@@ -1462,7 +1463,7 @@ typedef unsigned int in_addr_t;
Run: x11vnc -opts to list just the option names or run: x11vnc
-help for long descriptions about each option. The output is listed
- [238]here as well.
+ [239]here as well.
Q-8: I don't like typing arcane command line options every time I
@@ -1492,10 +1493,10 @@ display :0
remote-control functionality ("-R") that was added. The /usr/bin/wish
program is needed for operation. The gui is not particularly
user-friendly, it just provides a point and click mode to set all the
- many x11vnc parameters and obtain help on them. See the [239]-gui
+ many x11vnc parameters and obtain help on them. See the [240]-gui
option for more info. Examples: "x11vnc ... -gui" and "x11vnc ... -gui
other:0" in the latter case the gui is displayed on other:0, not the X
- display x11vnc is polling. There is also a "[240]-gui tray" system
+ display x11vnc is polling. There is also a "[241]-gui tray" system
tray mode.
@@ -1523,11 +1524,11 @@ display :0
Q-10: Can I make x11vnc more quiet and also go into the background
after starting up?
- Use the [241]-q and [242]-bg options, respectively. (also: -quiet is
+ Use the [242]-q and [243]-bg options, respectively. (also: -quiet is
an alias for -q)
Note that under -bg the stderr messages will be lost unless you use
- the "[243]-o logfile" option.
+ the "[244]-o logfile" option.
Q-11: Sometimes when a VNC viewer dies abruptly, x11vnc also dies with
@@ -1548,7 +1549,7 @@ display :0
There are some options. They are enabled by adding something like
-Dxxxx=1 to the CPPFLAGS environment variable before running configure
- (see the [244]build notes for general background).
+ (see the [245]build notes for general background).
/*
* Mar/2006
* Build-time customization via CPPFLAGS.
@@ -1619,21 +1620,21 @@ display :0
dual-screen mode to pass the keystrokes and mouse motions to the X11
display?
- Yes, for best response start up x11vnc with the "[245]-nofb" option
+ Yes, for best response start up x11vnc with the "[246]-nofb" option
(disables framebuffer polling, and does other optimizations) on the
secondary display (X11) machine. Then start up Win2VNC on the primary
display (Windows) referring it to the secondary display.
- This will also work X11 to X11 using [246]x2vnc, however you would
+ This will also work X11 to X11 using [247]x2vnc, however you would
probably just want to avoid VNC and use x2x for that.
For reference, here are some links to Win2VNC-like programs for
multiple monitor setups:
- * [247]Original Win2VNC
- * [248]Enhanced Win2VNC and [249]sourceforge link
- * [250]x2vnc
- * [251]x2x also [252]here
- * [253]zvnc (MorphOS)
+ * [248]Original Win2VNC
+ * [249]Enhanced Win2VNC and [250]sourceforge link
+ * [251]x2vnc
+ * [252]x2x also [253]here
+ * [254]zvnc (MorphOS)
All of them will work with x11vnc (except x2x where it is not needed).
@@ -1653,7 +1654,7 @@ display :0
on your display to be depth 24 TrueColor? Sun machines often have 8+24
overlay/multi-depth visuals, and you can make the default visual depth
24 TrueColor (see fbconfig(1) and Xsun(1)). 2) As of Feb/2004 x11vnc
- has the [254]-visual option to allow you to force the framebuffer
+ has the [255]-visual option to allow you to force the framebuffer
visual to whatever you want (this usually messes up the colors unless
you are very clever). In this case, the option provides a convenient
workaround for the Win2VNC bug:
@@ -1668,7 +1669,7 @@ display :0
PseudoColor (i.e. only 256 distinct colors). The x11vnc colors may
start out OK, but after a while they are incorrect in certain windows.
- Use the [255]-flashcmap option to have x11vnc watch for changes in the
+ Use the [256]-flashcmap option to have x11vnc watch for changes in the
colormap, and propagate those changes back to connected clients. This
can be slow (since the whole screen must be updated over the network
whenever the colormap changes). This flashing colormap behavior often
@@ -1677,13 +1678,13 @@ display :0
example of this. Consider reconfiguring the system to 16 bpp or depth
24 TrueColor if at all possible.
- Also note the option [256]-8to24 (Jan/2006) can often remove the need
+ Also note the option [257]-8to24 (Jan/2006) can often remove the need
for flashing the colormap. Everything is dynamically transformed to
depth 24 at 32 bpp using the colormaps. There may be painting errors
however (see the following FAQ for tips on reducing and correcting
them).
- In some rare cases the [257]-notruecolor option has corrected colors
+ In some rare cases the [258]-notruecolor option has corrected colors
on 8bpp displays. The red, green, and blue masks were non-zero in 8bpp
PseudoColor on an obscure setup, and this option corrected the
problems.
@@ -1694,13 +1695,13 @@ display :0
different color depths: e.g. there are both depth 8 and 24 visuals
available at the same time.
- You may want to review the [258]previous question regarding 8 bpp
+ You may want to review the [259]previous question regarding 8 bpp
PseudoColor.
- On some hardware (Sun/SPARC and SGI), the [259]-overlay option
+ On some hardware (Sun/SPARC and SGI), the [260]-overlay option
discussed a couple paragraphs down may solve this for you (you may
want to skip to it directly). On other hardware the less robust
- [260]-8to24 option may help (also discussed below).
+ [261]-8to24 option may help (also discussed below).
Run xdpyinfo(1) to see what the default visual is and what the depths
of the other visuals are. Does the default visual have a depth of 8
@@ -1736,7 +1737,7 @@ TrueColor defdepth 24
The -overlay mode: Another option is if the system with overlay
visuals is a Sun system running Solaris or SGI running IRIX you can
- use the [261]-overlay x11vnc option (Aug/2004) to have x11vnc use the
+ use the [262]-overlay x11vnc option (Aug/2004) to have x11vnc use the
Solaris XReadScreen(3X11) function to poll the "true view" of the
whole screen at depth 24 TrueColor. XReadDisplay(3X11) is used on
IRIX. This is useful for Legacy applications (older versions of
@@ -1761,7 +1762,7 @@ TrueColor defdepth 24
Xsun, e.g. in your /etc/dt/config/Xservers file).
- The -8to24 mode: The [262]-8to24 x11vnc option (Jan/2006) is a kludge
+ The -8to24 mode: The [263]-8to24 x11vnc option (Jan/2006) is a kludge
to try to dynamically rewrite the pixel values so that the 8bpp part
of the screen is mapped onto depth 24 TrueColor. This is less robust
than the -overlay mode because it is done by x11vnc outside of the X
@@ -1775,11 +1776,11 @@ TrueColor defdepth 24
32bpp view is exported via VNC.
Even on pure 8bpp displays it can be used as an alternative to
- [263]-flashcmap to avoid color flashing completely.
+ [264]-flashcmap to avoid color flashing completely.
This scheme is approximate and can often lead to painting errors. You
can manually correct most painting errors by pressing 3 Alt_L's in a
- row, or by using something like: [264]-fixscreen V=3.0 to
+ row, or by using something like: [265]-fixscreen V=3.0 to
automatically refresh the screen every 3 seconds. Also -fixscreen
8=3.0 has been added to just refresh the non-default visual parts of
the screen.
@@ -1792,23 +1793,23 @@ TrueColor defdepth 24
nogetimage can give a nice speedup if the default depth 24 X server
supports hiding the 8bpp bits in bits 25-32 of the framebuffer data.
On very slow machines -8to24 poll=0.2,cachewin=5.0 gives an useful
- speedup. See the [265]-8to24 help description for information on
+ speedup. See the [266]-8to24 help description for information on
tunable parameters, etc.
Colors still not working correctly? Run xwininfo on the application
with the incorrect colors to verify that the depth of its visual is
different from the default visual depth (gotten from xdpyinfo). One
- possible workaround in this case is to use the [266]-id option to
+ possible workaround in this case is to use the [267]-id option to
point x11vnc at the application window itself. If the application is
complicated (lots of toplevel windows and popup menus) this may not be
acceptable, and may even crash x11vnc (but not the application).
It is theoretically possible to solve this problem in general (see
xwd(1) for example), but it does not seem trivial or sufficiently fast
- for x11vnc to be able to do so in real time. The [267]-8to24 method
+ for x11vnc to be able to do so in real time. The [268]-8to24 method
does this approximately and is somewhat usable. Fortunately the
- [268]-overlay option works for Solaris machines with overlay visuals
+ [269]-overlay option works for Solaris machines with overlay visuals
where most of this problem occurs.
@@ -1819,9 +1820,9 @@ TrueColor defdepth 24
the desired application window. After clicking, it will print out much
information, including the window id (e.g. 0x6000010). Also, the
visual and depth of the window printed out is often useful in
- debugging x11vnc [269]color problems.
+ debugging x11vnc [270]color problems.
- Also, as of Dec/2004 you can use "[270]-id pick" to have x11vnc run
+ Also, as of Dec/2004 you can use "[271]-id pick" to have x11vnc run
xwininfo(1) for you and after you click the window it extracts the
windowid. Besides "pick" there is also "id:root" to allow you to go
back to root window when doing remote-control.
@@ -1839,7 +1840,7 @@ TrueColor defdepth 24
you should be able to see these transient windows.
If things are not working and you still want to do the single window
- polling, try the [271]-sid windowid option ("shifted" windowid).
+ polling, try the [272]-sid windowid option ("shifted" windowid).
Q-19: My X display is depth 24 at 24bpp (instead of the normal depth
@@ -1874,7 +1875,7 @@ TrueColor defdepth 24
handle 24bpp from the server, so you may want to use those. They
evidently request 32 bpp and libvncserver obliges.
- Update: as of Apr/2006 you can use the [272]-24to32 option to have
+ Update: as of Apr/2006 you can use the [273]-24to32 option to have
x11vnc dynamically transform the 24bpp pixel data to 32bpp. This extra
transformation could slow things down further.
@@ -1893,15 +1894,15 @@ TrueColor defdepth 24
since you will be polling the X display over the network as opposed to
over the local hardware. To do this, run x11vnc on a UNIX machine as
close as possible network-wise (e.g. same switch) to the Xterminal
- machine. Use the [273]-display option to point the display to that of
+ machine. Use the [274]-display option to point the display to that of
the Xterminal (you'll of course need basic X11 permission to do that)
- and also supply the [274]-noshm option (this enables the polling over
+ and also supply the [275]-noshm option (this enables the polling over
the network).
The response will likely be sluggish (maybe only one "frame" per
second). This mode is not recommended except for "quick checks" of
hard to get to X servers. Use something like "-wait 150" to cut down
- on the polling rate. You may also need [275]-flipbyteorder if the
+ on the polling rate. You may also need [276]-flipbyteorder if the
colors get messed up due to endian byte order differences.
Q-21: How do I get my X permissions (MIT-MAGIC-COOKIE file) correct
@@ -1925,7 +1926,7 @@ TrueColor defdepth 24
copied to the Xterminal. If $HOME/.Xauthority is exported via NFS
(this is insecure of course, but has been going on for decades), then
x11vnc can simply pick it up via NFS (you may need to use the
- [276]-auth option to point to the correct file). Other options include
+ [277]-auth option to point to the correct file). Other options include
copying the auth file using scp, or something like:
central-server> xauth nextract - xterm123:0 | ssh xterm123 xauth nmerge -
@@ -1937,7 +1938,7 @@ TrueColor defdepth 24
details.
If the display name in the cookie file needs to be changed between the
- two hosts, see [277]this note on the "xauth add ..." command.
+ two hosts, see [278]this note on the "xauth add ..." command.
A less secure option is to run something like "xhost +127.0.0.1" while
sitting at the Xterminal box to allow cookie-free local access for
@@ -1951,7 +1952,7 @@ TrueColor defdepth 24
occasional app more efficiently locally on the Xterminal box (e.g.
realplayer).
- Not recommended, but as a last resort, you could have x11vnc [278]poll
+ Not recommended, but as a last resort, you could have x11vnc [279]poll
the Xterminal Display over the network. For this you would run a
"x11vnc -noshm ..." process on the central-server (and hope the
network admin doesn't get angry...)
@@ -1980,13 +1981,13 @@ TrueColor defdepth 24
Q-22: I'm having trouble using x11vnc with my Sun Ray session.
- The [279]Sun Ray technology is a bit like "VNC done in hardware" (the
+ The [280]Sun Ray technology is a bit like "VNC done in hardware" (the
Sun Ray terminal device, DTU, playing the role of the vncviewer).
Completely independent of that, the SunRay user's session is still an
X server that speaks the X11 protocol and so x11vnc simply talks to
the X server part to export the SunRay desktop to any place in the
world (i.e. not only to a Sun Ray terminal device), creating a sort of
- "Soft Ray". Please see [280]this discussion of Sun Ray issues for
+ "Soft Ray". Please see [281]this discussion of Sun Ray issues for
solutions to problems.
[Remote Control]
@@ -1994,17 +1995,17 @@ TrueColor defdepth 24
Q-23: How do I stop x11vnc once it is running in the background?
As of Dec/2004 there is a remote control feature. It can change a huge
- amount of things on the fly: see the [281]-remote and [282]-query
+ amount of things on the fly: see the [282]-remote and [283]-query
options. To shut down the running x11vnc server just type "x11vnc -R
stop". To disconnect all clients do "x11vnc -R disconnect:all", etc.
- If the [283]-forever option has not been supplied, x11vnc will
+ If the [284]-forever option has not been supplied, x11vnc will
automatically exit after the first client disconnects. In general you
will have to kill the x11vnc process This can be done via: "kill
NNNNN" (where NNNNN is the x11vnc process id number found from ps(1)),
or "pkill x11vnc", or "killall x11vnc" (Linux only).
- If you have not put x11vnc in the background via the [284]-bg option
+ If you have not put x11vnc in the background via the [285]-bg option
or shell & operator, then simply press Ctrl-C in the shell where
x11vnc is running to stop it.
@@ -2014,15 +2015,15 @@ TrueColor defdepth 24
down state in the Xserver. Tapping the stuck key (either via a new
x11vnc or at the physical console) will release it from the stuck
state. If the keyboard seems to be acting strangely it is often fixed
- by tapping Ctrl, Shift, and Alt. Alternatively, the [285]-clear_mods
- option and [286]-clear_keys option can be used to release pressed keys
+ by tapping Ctrl, Shift, and Alt. Alternatively, the [286]-clear_mods
+ option and [287]-clear_keys option can be used to release pressed keys
at startup and exit.
Q-24: Can I change settings in x11vnc without having to restart it?
Can I remote control it?
- Look at the [287]-remote (same as -R) and [288]-query (same as -Q)
+ Look at the [288]-remote (same as -R) and [289]-query (same as -Q)
options added in Dec/2004. They allow nearly everything to be changed
dynamically and settings to be queried. Examples: "x11vnc -R shared",
"x11vnc -R forever", "x11vnc -R scale:3/4", "x11vnc -Q modtweak",
@@ -2033,7 +2034,7 @@ TrueColor defdepth 24
correctly for communication to be possible.
There is also a simple Tcl/Tk gui based on this remote control
- mechanism. See the [289]-gui option for more info. You will need to
+ mechanism. See the [290]-gui option for more info. You will need to
have Tcl/Tk (i.e. /usr/bin/wish) installed for it to work. It can also
run in the system tray: "-gui tray" or as a standalone icon window:
"-gui icon".
@@ -2048,12 +2049,12 @@ TrueColor defdepth 24
vncpasswd(1) program from those packages.
As of Jun/2004 x11vnc supports the -storepasswd "pass" "file"
- [290]option, which is the same functionality of storepasswd. Be sure
+ [291]option, which is the same functionality of storepasswd. Be sure
to quote the "pass" if it contains shell meta characters, spaces, etc.
Example:
x11vnc -storepasswd 'sword*fish' $HOME/myvncpasswd
- You then use the password via the x11vnc option: "[291]-rfbauth
+ You then use the password via the x11vnc option: "[292]-rfbauth
$HOME/myvncpasswd"
If you do not supply any arguments:
@@ -2065,11 +2066,11 @@ TrueColor defdepth 24
~/.mypass", the password you are prompted for will be stored in that
file.
- x11vnc also has the [292]-passwdfile and -passwd/-viewpasswd plain
+ x11vnc also has the [293]-passwdfile and -passwd/-viewpasswd plain
text (i.e. not obscured like the -rfbauth VNC passwords) password
options.
- You can use the [293]-usepw option to automatically use any password
+ You can use the [294]-usepw option to automatically use any password
file you have in ~/.vnc/passwd or ~/.vnc/passwdfile (the latter is
used with the -passwdfile option).
@@ -2100,14 +2101,14 @@ TrueColor defdepth 24
Q-27: Can I have two passwords for VNC viewers, one for full access
and the other for view-only access to the display?
- Yes, as of May/2004 there is the [294]-viewpasswd option to supply the
- view-only password. Note the full-access password option [295]-passwd
+ Yes, as of May/2004 there is the [295]-viewpasswd option to supply the
+ view-only password. Note the full-access password option [296]-passwd
must be supplied at the same time. E.g.: -passwd sword -viewpasswd
fish.
To avoid specifying the passwords on the command line (where they
could be observed via the ps(1) command by any user) you can use the
- [296]-passwdfile option to specify a file containing plain text
+ [297]-passwdfile option to specify a file containing plain text
passwords. Presumably this file is readable only by you, and ideally
it is located on the machine x11vnc is run on (to avoid being snooped
on over the network). The first line of this file is the full-access
@@ -2115,7 +2116,7 @@ TrueColor defdepth 24
it is taken as the view-only password. (use "__EMPTY__" to supply an
empty one).
- View-only passwords currently do not work for the [297]-rfbauth
+ View-only passwords currently do not work for the [298]-rfbauth
password option (standard VNC password storing mechanism). FWIW, note
that although the output (usually placed in $HOME/.vnc/passwd) by the
vncpasswd or storepasswd programs (or from x11vnc -storepasswd) looks
@@ -2128,7 +2129,7 @@ TrueColor defdepth 24
Q-28: Can I have as many full-access and view-only passwords as I
like?
- Yes, as of Jan/2006 in the libvncserver CVS the [298]-passwdfile
+ Yes, as of Jan/2006 in the libvncserver CVS the [299]-passwdfile
option has been extended to handle as many passwords as you like. You
put the view-only passwords after a line __BEGIN_VIEWONLY__.
@@ -2142,7 +2143,7 @@ TrueColor defdepth 24
Until the VNC protocol and libvncserver support this things will be
approximate at best.
- Update: as of Feb/2006 x11vnc has the [299]-unixpw option that does
+ Update: as of Feb/2006 x11vnc has the [300]-unixpw option that does
this outside of the VNC protocol and libvncserver. The standard su(1)
program is used to validate the user's password. A familiar "login:"
and "Password:" dialog is presented to the user on a black screen
@@ -2152,7 +2153,7 @@ TrueColor defdepth 24
A list of allowed Unix usernames may also be supplied along with
per-user settings.
- There is also the [300]-unixpw_nis option for non-shadow-password
+ There is also the [301]-unixpw_nis option for non-shadow-password
(typically NIS environments, hence the name) systems where the
traditional getpwnam() and crypt() functions are used instead of
su(1). The encrypted user passwords must be accessible to the user
@@ -2161,7 +2162,7 @@ TrueColor defdepth 24
shadow(5).
Two settings are enforced in the -unixpw and -unixpw_nis modes to
- provide extra security: the 1) [301]-localhost and 2) [302]-stunnel
+ provide extra security: the 1) [302]-localhost and 2) [303]-stunnel
options. Without these one might send the Unix username and password
data in clear text over the network which is a very bad idea. They can
be relaxed if you want to provide encryption other than stunnel (the
@@ -2179,13 +2180,13 @@ TrueColor defdepth 24
Previous discussion: One approximate method involves starting x11vnc
- with the [303]-localhost option. This basically requires the viewer
+ with the [304]-localhost option. This basically requires the viewer
user to log into the workstation where x11vnc is running via their
Unix username and password, and then somehow set up a port redirection
of his vncviewer connection to make it appear to emanate from the
local machine. As discussed above, ssh is useful for this: "ssh -L
5900:localhost:5900 user@hostname ..." See the ssh wrapper scripts
- mentioned [304]elsewhere on this page. [305]stunnel does this as well.
+ mentioned [305]elsewhere on this page. [306]stunnel does this as well.
Of course a malicious user could allow other users to get in through
his channel, but that is a problem with every method. Another thing to
@@ -2196,7 +2197,7 @@ TrueColor defdepth 24
traditional way would be to further require a VNC password to supplied
(-rfbauth, -passwd, etc) and only tell the people allowed in what the
VNC password is. A scheme that avoids a second password involves using
- the [306]-accept option that runs a program to examine the connection
+ the [307]-accept option that runs a program to examine the connection
information to determine which user is connecting from the local
machine. That may be difficult to do, but, for example, the program
could use the ident service on the local machine (normally ident
@@ -2235,15 +2236,15 @@ exit 1 # reject it
These defaults are simple safety measures to avoid someone unknowingly
leaving his X11 desktop exposed (to the internet, say) for long
- periods of time. Use the [307]-forever option (aka -many) to have
+ periods of time. Use the [308]-forever option (aka -many) to have
x11vnc wait for more connections after the first client disconnects.
- Use the [308]-shared option to have x11vnc allow multiple clients to
+ Use the [309]-shared option to have x11vnc allow multiple clients to
connect simultaneously.
- Recommended additional safety measures include using ssh ([309]see
+ Recommended additional safety measures include using ssh ([310]see
above), stunnel, or a VPN to authenticate and encrypt the viewer
- connections or to at least use the -rfbauth passwd-file [310]option to
- use VNC password protection (or [311]-passwdfile) It is up to YOU to
+ connections or to at least use the -rfbauth passwd-file [311]option to
+ use VNC password protection (or [312]-passwdfile) It is up to YOU to
apply these security measures, they will not be done for you
automatically.
@@ -2251,7 +2252,7 @@ exit 1 # reject it
Q-31: Can I limit which machines incoming VNC clients can connect
from?
- Yes, look at the [312]-allow and [313]-localhost options to limit
+ Yes, look at the [313]-allow and [314]-localhost options to limit
connections by hostname or IP address. E.g.
x11vnc -allow 192.168.0.1,192.168.0.2
@@ -2263,7 +2264,7 @@ exit 1 # reject it
Note that -localhost is the same as "-allow 127.0.0.1"
For more control, build libvncserver with libwrap support
- [314](tcp_wrappers) and then use /etc/hosts.allow See hosts_access(5)
+ [315](tcp_wrappers) and then use /etc/hosts.allow See hosts_access(5)
for complete details.
@@ -2283,7 +2284,7 @@ exit 1 # reject it
is "vnc", e.g.:
vnc: 192.168.100.3 .example.com
- Note that if you run x11vnc out of [315]inetd you do not need to build
+ Note that if you run x11vnc out of [316]inetd you do not need to build
x11vnc with libwrap support because the /usr/sbin/tcpd reference in
/etc/inetd.conf handles the tcp_wrappers stuff.
@@ -2292,15 +2293,15 @@ exit 1 # reject it
internal LAN) rather than having it listen on all network interfaces
and relying on -allow to filter unwanted connections out?
- As of Mar/2005 there is the "[316]-listen ipaddr" option that enables
+ As of Mar/2005 there is the "[317]-listen ipaddr" option that enables
this. For ipaddr either supply the desired network interface's IP
address (or use a hostname that resolves to it) or use the string
"localhost". For additional filtering simultaneously use the
- "[317]-allow host1,..." option to allow only specific hosts in.
+ "[318]-allow host1,..." option to allow only specific hosts in.
This option is useful if you want to insure that no one can even begin
a dialog with x11vnc from untrusted network interfaces (e.g. ppp0).
- The option [318]-localhost now implies "-listen localhost" since that
+ The option [319]-localhost now implies "-listen localhost" since that
is what most people expect it to do.
@@ -2308,17 +2309,17 @@ exit 1 # reject it
interface, how I can occasionally allow in a non-localhost via the -R
allowonce remote control command?
- To do this specify "[319]-allow localhost". Unlike [320]-localhost
+ To do this specify "[320]-allow localhost". Unlike [321]-localhost
this will leave x11vnc listening on all interfaces (but of course only
allowing in local connections, e.g. ssh redirs). Then you can later
run "x11vnc -R allowonce:somehost" or use to gui to permit a one-shot
connection from a remote host.
Note that if you do a lot of changing of the listening interface
- ([321]-listen option) via remote control or gui, you may need to also
- manually adjust the [322]-allow list if you unexpectedly get into a
+ ([322]-listen option) via remote control or gui, you may need to also
+ manually adjust the [323]-allow list if you unexpectedly get into a
state where the allow list cannot match any hosts that would be coming
- in on the listening interface. If you just toggle [323]-localhost on
+ in on the listening interface. If you just toggle [324]-localhost on
and off x11vnc should see to it that you never get into such a state.
@@ -2326,7 +2327,7 @@ exit 1 # reject it
some users just be able to move the mouse, but not click or type
anything?
- As of Feb/2005, the [324]-input option allows you to do this. "K",
+ As of Feb/2005, the [325]-input option allows you to do this. "K",
"M", and "B" stand for Keystroke, Mouse-motion, and Button-clicks,
respectively. The setting: "-input M" makes attached viewers only able
to move the mouse. "-input KMB,M" lets normal clients do everything
@@ -2341,7 +2342,7 @@ exit 1 # reject it
some clients view-only? How about running an arbitrary program to make
the decisions?
- Yes, look at the "[325]-accept command" option, it allows you to
+ Yes, look at the "[326]-accept command" option, it allows you to
specify an external command that is run for each new client. (use
quotes around the command if it contains spaces, etc.). If the
external command returns 0 the client is accepted, otherwise the
@@ -2360,7 +2361,7 @@ exit 1 # reject it
own simple popup window. To accept the client press "y" or click mouse
on the "Yes" button. To reject the client press "n" or click mouse on
the "No" button. To accept the client View-only, press "v" or click
- mouse on the "View" button. If the [326]-viewonly option has been
+ mouse on the "View" button. If the [327]-viewonly option has been
supplied, the "View" action will not be present: the whole display is
view only in that case.
@@ -2376,7 +2377,7 @@ exit 1 # reject it
program to prompt the user whether the client should be accepted or
not. This requires that you have xmessage installed and available via
PATH. In case it is not already on your system, the xmessage program
- is available at [327]ftp://ftp.x.org/
+ is available at [328]ftp://ftp.x.org/
To include view-only decisions for the external commands, prefix the
command something like this: "yes:0,no:*,view:3 mycommand ..." This
@@ -2415,7 +2416,7 @@ elif [ $rc = 4 ]; then
fi
exit 1
- Stefan Radman has written a nice dtksh script [328]dtVncPopup for use
+ Stefan Radman has written a nice dtksh script [329]dtVncPopup for use
in CDE environments to do the same sort of thing. Information on how
to use it is found at the top of the file. He encourages you to
provide feedback to him to help improve the script.
@@ -2424,7 +2425,7 @@ exit 1
popup is being run, so attached clients will not receive screen
updates, etc during this period.
- To run a command when a client disconnects, use the "[329]-gone
+ To run a command when a client disconnects, use the "[330]-gone
command" option. This is for the user's convenience only: the return
code of the command is not interpreted by x11vnc. The same environment
variables are set as in "-accept command" (except that RFB_MODE will
@@ -2435,7 +2436,7 @@ exit 1
display manager like gdm(1). Can I have x11vnc later switch to a
different user?
- As of Feb/2005 x11vnc has the [330]-users option that allows things
+ As of Feb/2005 x11vnc has the [331]-users option that allows things
like this. Please read the documentation on it (also in the x11vnc
-help output) carefully for features and caveats. It's use can often
decrease security unless care is taken.
@@ -2460,7 +2461,7 @@ exit 1
In any event, as of Jun/2004 there is an experimental utility to make
it more difficult for nosey people to see your x11vnc activities. The
- source for it is [331]blockdpy.c The idea behind it is simple (but
+ source for it is [332]blockdpy.c The idea behind it is simple (but
obviously not bulletproof): when a VNC client attaches to x11vnc put
the display monitor in the DPMS "off" state, if the DPMS state ever
changes immediately start up the screen-lock program. The x11vnc user
@@ -2476,8 +2477,8 @@ exit 1
bulletproof. A really robust solution would likely require X server
and perhaps even video hardware support.
- The blockdpy utility is launched by the [332]-accept option and told
- to exit via the [333]-gone option (the vnc client user should
+ The blockdpy utility is launched by the [333]-accept option and told
+ to exit via the [334]-gone option (the vnc client user should
obviously re-lock the screen before disconnecting!). Instructions can
be found in the source code for the utility at the above link.
@@ -2485,7 +2486,7 @@ exit 1
Q-39: Can I have x11vnc automatically lock the screen when I
disconnect the VNC viewer?
- Yes, a user mentions he uses the [334]-gone option under CDE to run a
+ Yes, a user mentions he uses the [335]-gone option under CDE to run a
screen lock program:
x11vnc -display :0 -forever -gone 'dtaction LockDisplay'
@@ -2494,7 +2495,7 @@ exit 1
x11vnc -display :0 -forever -gone 'kdesktop_lock'
x11vnc -display :0 -forever -gone 'xlock &'
- Here is a scheme using the [335]-afteraccept option (in version 0.7.3)
+ Here is a scheme using the [336]-afteraccept option (in version 0.7.3)
to unlock the screen after the first valid VNC login and to lock the
screen after the last valid VNC login disconnects:
x11vnc -display :0 -forever -shared -afteraccept ./myxlocker -gone ./myxlocke
@@ -2525,7 +2526,7 @@ fi
Q-40: How can I tunnel my connection to x11vnc via an encrypted SSH
channel between two Unix machines?
- See the description earlier on this page on [336]how to tunnel VNC via
+ See the description earlier on this page on [337]how to tunnel VNC via
SSH from Unix to Unix. A number of ways are described along with some
issues you may encounter.
@@ -2536,7 +2537,7 @@ fi
Q-41: How can I tunnel my connection to x11vnc via an encrypted SSH
channel from Windows using an SSH client like Putty?
- [337]Above we described how to tunnel VNC via SSH from Unix to Unix,
+ [338]Above we described how to tunnel VNC via SSH from Unix to Unix,
you may want to review it. To do this from Windows using Putty it
would go something like this:
* In the Putty dialog window under 'Session' enter the hostname or
@@ -2559,8 +2560,8 @@ fi
process in a BAT file including launching the VNC viewer by using the
plink Putty utility. Send us the script if you get that working.
- For extra protection feel free to run x11vnc with the [338]-localhost
- and [339]-rfbauth/[340]-passwdfile options.
+ For extra protection feel free to run x11vnc with the [339]-localhost
+ and [340]-rfbauth/[341]-passwdfile options.
If the machine you SSH into via Putty is not the same machine with the
X display you wish to view (e.g. your company provides incoming SSH
@@ -2568,11 +2569,11 @@ fi
dialog setting to: 'Destination: otherhost:5900', Once logged in,
you'll need to do a second login (ssh or rsh) to the workstation
machine 'otherhost' and then start up x11vnc on it. This can also be
- automated by [341]chaining ssh's.
+ automated by [342]chaining ssh's.
- As discussed [342]above another option is to first start the VNC
+ As discussed [343]above another option is to first start the VNC
viewer in "listen" mode, and then launch x11vnc with the
- "[343]-connect localhost" option to establish the reverse connection.
+ "[344]-connect localhost" option to establish the reverse connection.
In this case a Remote port redirection (not Local) is needed for port
5500 instead of 5900 (i.e. 'Source port: 5500' and
'Destination: localhost:5500' for a Remote connection).
@@ -2582,7 +2583,7 @@ fi
channel using an external tool like stunnel?
It is possible to use a "lighter weight" encryption setup than SSH or
- IPSEC. SSL tunnels such as [344]stunnel provide an encrypted channel
+ IPSEC. SSL tunnels such as [345]stunnel provide an encrypted channel
without the need for Unix users, passwords, and key passphrases
required for ssh (and at the other extreme can also provide a complete
signed certificate chain of trust). OTOH, since SSH is usually
@@ -2590,12 +2591,12 @@ fi
frequently the path of least resistance (it also nicely manages public
keys for you).
- Update: As of Feb/2006 x11vnc has the options [345]-ssl,
- [346]-stunnel, and [347]-sslverify to provide integrated SSL schemes.
- They are discussed [348]in the Next FAQ (you may want to skip to it
+ Update: As of Feb/2006 x11vnc has the options [346]-ssl,
+ [347]-stunnel, and [348]-sslverify to provide integrated SSL schemes.
+ They are discussed [349]in the Next FAQ (you may want to skip to it
now).
- Here are some basic examples using [349]stunnel but the general idea
+ Here are some basic examples using [350]stunnel but the general idea
for any SSL tunnel utility is the same:
* Start up x11vnc and constrain it to listen on localhost.
* Then start up the SSL tunnel running on the same machine to
@@ -2619,7 +2620,7 @@ fi
The above two commands are run on host "far-away.east". The
stunnel.pem is the self-signed PEM file certificate created when
- stunnel is built. One can also create certificates [350]signed by
+ stunnel is built. One can also create certificates [351]signed by
Certificate Authorities or self-signed if desired using the x11vnc
utilities described there.
@@ -2633,7 +2634,7 @@ fi
Then point the viewer to the local tunnel on port 5902:
vncviewer -encodings "copyrect tight zrle hextile" localhost:2
- That's it. (note that the [351]ssl_vncviewer script can automate
+ That's it. (note that the [352]ssl_vncviewer script can automate
this.)
Be sure to use a VNC password because unlike ssh by default the
@@ -2641,13 +2642,13 @@ fi
some extra configuration one could also set up certificates to provide
authentication of either or both sides as well (and hence avoid
man-in-the-middle attacks). See the stunnel and openssl documentation
- and also [352]the key management section for details.
+ and also [353]the key management section for details.
stunnel has also been ported to Windows, and there are likely others
to choose from for that OS. Much info for using it on Windows can be
- found at the stunnel site and in this [353]article The article also
+ found at the stunnel site and in this [354]article The article also
shows the detailed steps to set up all the authentication
- certificates. (for both server and clients, see also the [354]x11vnc
+ certificates. (for both server and clients, see also the [355]x11vnc
utilities that do this). The default Windows client setup (no certs)
is simpler and only 4 files are needed in a folder: stunnel.exe,
stunnel.conf, libssl32.dll, libeay32.dll. We used an stunnel.conf
@@ -2668,7 +2669,7 @@ connect = far-away.east:5901
As an aside, if you don't like the little "gap" of unencrypted TCP
traffic (and a localhost listening socket) on the local machine
between stunnel and x11vnc it can actually be closed by having stunnel
- start up x11vnc in [355]-inetd mode:
+ start up x11vnc in [356]-inetd mode:
stunnel -p /path/to/stunnel.pem -P none -d 5900 -l ./x11vnc_sh
Where the script x11vnc_sh starts up x11vnc:
@@ -2711,16 +2712,16 @@ connect = 5900
probably wouldn't work since the SSL negotiation is likely embedded in
the VNC protocol unlike our case where it is external.
- Note: as of Mar/2006 libvncserver/x11vnc provides a [356]SSL-enabled
- Java applet that can be served up via the [357]-httpdir or [358]-http
- options when [359]-ssl is enabled. It will also be served via HTTPS
+ Note: as of Mar/2006 libvncserver/x11vnc provides a [357]SSL-enabled
+ Java applet that can be served up via the [358]-httpdir or [359]-http
+ options when [360]-ssl is enabled. It will also be served via HTTPS
via either the VNC port (e.g. https://host:5900/) or a 2nd port via
- the [360]-https option.
+ the [361]-https option.
In general current SSL VNC solutions are not particularly "seemless".
But it can be done, and with a wrapper script on the viewer side and
- the [361]-stunnel option on the server side it works well and is
- convenient. Here is a simple script [362]ssl_vncviewer that automates
+ the [362]-stunnel option on the server side it works well and is
+ convenient. Here is a simple script [363]ssl_vncviewer that automates
running stunnel on the VNC viewer side on Unix a little more carefully
than the commands printed above. (One could probably do a similar
thing with a .BAT file on Windows in the stunnel folder.)
@@ -2728,7 +2729,7 @@ connect = 5900
Q-43: Does x11vnc have built-in SSL tunneling?
- You can read about non-built-in methods [363]in the Previous FAQ
+ You can read about non-built-in methods [364]in the Previous FAQ
SSL tunnels provide an encrypted channel without the need for Unix
users, passwords, and key passphrases required for ssh (and at the
@@ -2739,14 +2740,14 @@ connect = 5900
Built-in SSL x11vnc options:
- As of Feb/2006 the x11vnc [364]-ssl and [365]-stunnel options automate
- the SSL tunnel creation on the x11vnc server side. An [366]SSL-enabled
+ As of Feb/2006 the x11vnc [365]-ssl and [366]-stunnel options automate
+ the SSL tunnel creation on the x11vnc server side. An [367]SSL-enabled
Java Viewer applet is also provided that can be served via http or
https to automate SSL on the client side.
- The [367]-ssl mode uses the [368]www.openssl.org library if available
- at build time. The [369]-stunnel mode requires the
- [370]www.stunnel.org command stunnel(8) to be installed on the system.
+ The [368]-ssl mode uses the [369]www.openssl.org library if available
+ at build time. The [370]-stunnel mode requires the
+ [371]www.stunnel.org command stunnel(8) to be installed on the system.
Both modes require an SSL certificate and key (i.e. .pem file). These
are usually created via the openssl(1) (in fact in for options "-ssl"
@@ -2798,12 +2799,12 @@ connect = 5900
is to encrypt the key with a passphrase (note however this requires
supplying the passphrase each time x11vnc is started up).
- See the discussion on [371]x11vnc Key Management for some utilities
+ See the discussion on [372]x11vnc Key Management for some utilities
provided for creating and managing certificates and keys and even for
creating your own Certificate Authority (CA) for signing VNC server
and client certificates. This may be done by importing the certificate
into Web Browser or Java plugin keystores, or pointing stunnel to it.
- The wrapper script [372]ssl_vncviewer provides an example on unix
+ The wrapper script [373]ssl_vncviewer provides an example on unix
(-verify option).
Here are some notes on the simpler default (non-CA) operation. To have
@@ -2819,7 +2820,7 @@ connect = 5900
to machines where the VNC Viewer will be run to enable authenticating
the x11vnc SSL VNC server to the clients. When authentication takes
place this way (or via the more sophisticated CA signing described
- [373]here), then Man-In-The-Middle-Attacks are prevented. Otherwise,
+ [374]here), then Man-In-The-Middle-Attacks are prevented. Otherwise,
the SSL encryption only provides protection against passive network
traffic "sniffing". Nowadays, most people seem mostly concerned about
only the latter (and the default x11vnc SSL modes protect against it.)
@@ -2844,7 +2845,7 @@ connect = 5900
including using https to download it into the browser and connect to
x11vnc.
- See the [374]next FAQ for SSL enabled VNC Viewers.
+ See the [375]next FAQ for SSL enabled VNC Viewers.
Q-44: How do I use VNC Viewers with built-in SSL tunneling?
@@ -2855,9 +2856,9 @@ connect = 5900
The SSL enabled Java VNC Viewer (VncViewer.jar) in the x11vnc package
supports only SSL based connections by default (set the applet
parameter disableSSL=yes in index.vnc to override). As mentioned above
- the [375]-httpdir can be used to specify the path to .../classes/ssl.
+ the [376]-httpdir can be used to specify the path to .../classes/ssl.
A typical location might be /usr/local/share/x11vnc/classes/ssl. Or
- [376]-http can be used to try to have it find the directory
+ [377]-http can be used to try to have it find the directory
automatically.
The Java viewer uses SSL to communicate securely with x11vnc. Note
@@ -2882,7 +2883,7 @@ connect = 5900
example) can occasionally be slow or unreliable (it has to read some
input and try to guess if the connection is VNC or HTTP). If it is
unreliable and you still want to serve the Java applet via https, use
- the [377]-https option to get an additional port dedicated to https
+ the [378]-https option to get an additional port dedicated to https
(its URL will also be printed in the output).
Another possibility is to add the GET applet parameter:
@@ -2895,7 +2896,7 @@ connect = 5900
You may also use "?GET=somestring" to have /somestring prepended to
/request.https.vnc.connection". Perhaps you are using a web server
- [378]proxy scheme to enter a firewall or otherwise have rules applied
+ [379]proxy scheme to enter a firewall or otherwise have rules applied
to the URL. If you need to have any slashes "/" in "somestring" use
"_2F_" (a deficiency in libvncserver prevents using the more natural
"%2F".)
@@ -2919,7 +2920,7 @@ connect = 5900
connection is VNC instead of the HTTPS it actually is (but since you
have paused too long at the dialog the GET request comes too late).
Often hitting Reload and going through the dialogs more quickly will
- let you connect. Use the [379]-https option if you want a dedicated
+ let you connect. Use the [380]-https option if you want a dedicated
port for HTTPS connections instead of sharing the VNC port.
@@ -2928,10 +2929,10 @@ connect = 5900
If you want to use a native VNC Viewer with the SSL enabled x11vnc you
will need to run an external SSL tunnel on the Viewer side. There do
not seem to be any native SSL VNC Viewers outside of the x11vnc
- package. The basic ideas of doing this were discussed [380]for
+ package. The basic ideas of doing this were discussed [381]for
external tunnel utilities here.
- The [381]ssl_vncviewer script provided with x11vnc can set up the
+ The [382]ssl_vncviewer script provided with x11vnc can set up the
stunnel tunnel automatically on unix as long as the stunnel command is
installed on the Viewer machine and available in PATH (and vncviewer
too of course). Note that on Debian based system you will need to
@@ -2963,10 +2964,10 @@ connect = 5900
The fifth one shows that Web proxies can be used if that is the only
way to get out of the firewall. If the "double proxy" situation arises
- separate the two by commas. See [382]this page for more information on
+ separate the two by commas. See [383]this page for more information on
how Web proxies come into play.
- If one uses a Certificate Authority (CA) scheme described [383]here,
+ If one uses a Certificate Authority (CA) scheme described [384]here,
the wrapper script would use the CA cert instead of the server cert:
3') ssl_vncviewer -verify ./cacert.crt far-away.east:0
@@ -3002,7 +3003,7 @@ connect = 5900
(instead of the unsigned one in https://yourmachine.com:5900/ that
gives the default index.vnc)
- Note that the [384]ssl_vncviewer stunnel wrapper script can use Web
+ Note that the [385]ssl_vncviewer stunnel wrapper script can use Web
proxies as well.
Proxies that limit CONNECT to ports 443 and 563:
@@ -3031,7 +3032,7 @@ connect = 5900
https://yourmachine.com/proxy.vnc?PORT=443
this is cleaner because it avoids editing the file, but requires more
- parameters in the URL. To use the GET [385]trick discussed above, do:
+ parameters in the URL. To use the GET [386]trick discussed above, do:
https://yourmachine.com/proxy.vnc?PORT=443&GET=1
@@ -3039,7 +3040,7 @@ connect = 5900
SSL from the Internet with a Web browser to x11vnc running on their
workstations behind a firewall?
Yes. You will need to configure apache to forward these connections.
- It is discussed [386]here. This provides a clean alternative to the
+ It is discussed [387]here. This provides a clean alternative to the
traditional method where the user uses SSH to log in through the
gateway to create the encrypted port redirection to x11vnc running on
her desktop.
@@ -3047,7 +3048,7 @@ connect = 5900
Q-47: Can I create and use my own SSL Certificate Authority (CA) with
x11vnc?
- Yes, see [387]this page for how to do this and the utility commands
+ Yes, see [388]this page for how to do this and the utility commands
x11vnc provides to create and manage many types of certificates and
private keys.
@@ -3066,13 +3067,13 @@ connect = 5900
need to have sufficient permissions to connect to the X display.
Here are some ideas:
- * Use the description under "Continuously" in the [388]FAQ on x11vnc
+ * Use the description under "Continuously" in the [389]FAQ on x11vnc
and Display Managers
- * Use the description in the [389]FAQ on x11vnc and inetd(8)
- * Use the description in the [390]FAQ on Unix user logins and
+ * Use the description in the [390]FAQ on x11vnc and inetd(8)
+ * Use the description in the [391]FAQ on Unix user logins and
inetd(8)
* Start x11vnc from your $HOME/.xsession (or $HOME/.xinitrc)
- * Although less reliable, see the [391]x11vnc_loop rc.local hack
+ * Although less reliable, see the [392]x11vnc_loop rc.local hack
below.
The display manager scheme will not be specific to which user has the
@@ -3103,7 +3104,7 @@ x11vnc -logfile $HOME/.x11vnc.log -rfbauth $HOME/.vnc/passwd -forever -bg
while running x11vnc as root, e.g. for the gnome display manager, gdm:
x11vnc -auth /var/gdm/:0.Xauth -display :0
- (the [392]-auth option sets the XAUTHORITY variable for you).
+ (the [393]-auth option sets the XAUTHORITY variable for you).
There will be a similar thing for xdm using however a different auth
directory path (perhaps something like
@@ -3128,7 +3129,7 @@ x11vnc -logfile $HOME/.x11vnc.log -rfbauth $HOME/.vnc/passwd -forever -bg
auth file should be in /var/dt), you'll also need to add something
like Dtlogin*grabServer:False to the Xconfig file
(/etc/dt/config/Xconfig or /usr/dt/config/Xconfig on Solaris, see
- [393]the example at the end of this FAQ). Then restart dtlogin, e.g.:
+ [394]the example at the end of this FAQ). Then restart dtlogin, e.g.:
/etc/init.d/dtlogin stop; /etc/init.d/dtlogin start or reboot.
Continuously. Have x11vnc reattach each time the X server is
@@ -3191,7 +3192,7 @@ rever -bg
Then restart: /usr/sbin/gdm-restart (or reboot). The
KillInitClients=false setting is important: without it x11vnc will be
- killed immediately after the user logs in. Here are [394]full details
+ killed immediately after the user logs in. Here are [395]full details
on how to configure gdm
_________________________________________________________________
@@ -3233,13 +3234,13 @@ rever -bg
If you do not want to deal with any display manager startup scripts,
here is a kludgey script that can be run manually or out of a boot
- file like rc.local: [395]x11vnc_loop It will need some local
+ file like rc.local: [396]x11vnc_loop It will need some local
customization before running. Because the XAUTHORITY auth file must be
guessed by this script, use of the display manager script method
described above is greatly preferred.
If the machine is a traditional Xterminal you may want to read
- [396]this FAQ.
+ [397]this FAQ.
Q-50: Can I run x11vnc out of inetd(8)? How about xinetd(8)?
@@ -3249,7 +3250,7 @@ rever -bg
5900 stream tcp nowait root /usr/sbin/tcpd /usr/local/bin/x11vnc_sh
- where the shell script /usr/local/bin/x11vnc_sh uses the [397]-inetd
+ where the shell script /usr/local/bin/x11vnc_sh uses the [398]-inetd
option and looks something like (you'll need to customize to your
settings).
#!/bin/sh
@@ -3262,7 +3263,7 @@ rever -bg
and that confuses it greatly, causing it to abort). If you do not use
a wrapper script as above but rather call x11vnc directly in
/etc/inetd.conf and do not redirect stderr to a file, then you must
- specify the -q (aka [398]-quiet) option: "/usr/local/bin/x11vnc -q
+ specify the -q (aka [399]-quiet) option: "/usr/local/bin/x11vnc -q
-inetd ...". When you supply both -q and -inet and no "-o logfile"
then stderr will automatically be closed (to prevent, e.g. library
stderr messages leaking out to the viewer). The recommended practice
@@ -3270,7 +3271,7 @@ rever -bg
script with "2>logfile" redirection because the errors and warnings
printed out are very useful in troubleshooting problems.
- Note also the need to set XAUTHORITY via [399]-auth to point to the
+ Note also the need to set XAUTHORITY via [400]-auth to point to the
MIT-COOKIE auth file to get permission to connect to the X display
(setting and exporting the XAUTHORITY variable accomplishes the same
thing). See the x11vnc_loop file in the previous question for more
@@ -3338,13 +3339,13 @@ service x11vncservice
Q-51: Can I have x11vnc allow a user to log in with her UNIX password
and then have it find her X display on that machine and connect to it?
- The easiest way to do this is via [400]inetd(8) using the [401]-unixpw
- and [402]-display WAIT options. The reason inetd(8) makes this easier
+ The easiest way to do this is via [401]inetd(8) using the [402]-unixpw
+ and [403]-display WAIT options. The reason inetd(8) makes this easier
is that it starts a new x11vnc process for each new user connection.
Otherwise a wrapper would have to listen for connections and spawn new
- x11vnc's (see [403]this example).
+ x11vnc's (see [404]this example).
- The [404]-display WAIT option makes x11vnc wait until a VNC viewer is
+ The [405]-display WAIT option makes x11vnc wait until a VNC viewer is
connected before attaching to the X display. Additionally it can be
used to run an external command that returns the DISPLAY and
XAUTHORITY data. So one could supply "-display
@@ -3387,7 +3388,7 @@ exit 0
as the first line and any remaining lines are either XAUTHORITY=file
or raw xauth data (the above example does the latter).
- The [405]-unixpw option allows [406]UNIX password logins. Here are a
+ The [406]-unixpw option allows [407]UNIX password logins. Here are a
couple /etc/inetd.conf examples for this:
5900 stream tcp nowait nobody /usr/sbin/tcpd /usr/local/bin/x11vnc -inetd
-unixpw \
@@ -3407,9 +3408,9 @@ xpw=
directory will need to be set up to allow "nobody" to use them.
In the second one x11vnc is run as root and switches to the user that
- logs in due to the "[407]-users unixpw=" option.
+ logs in due to the "[408]-users unixpw=" option.
- Note that [408]SSL is required for this mode because otherwise the
+ Note that [409]SSL is required for this mode because otherwise the
unix password would be passed in clear text over the network. In
general -unixpw is not required for this sort of scheme, but it is
convenient because it determines exactly who the user is whose display
@@ -3420,7 +3421,7 @@ xpw=
Q-52: Can I have x11vnc restart itself after it terminates?
One could do this in a shell script, but now there is an option
- [409]-loop that makes it easier. Of course when x11vnc restarts it
+ [410]-loop that makes it easier. Of course when x11vnc restarts it
needs to have permissions to connect to the (potentially new) X
display. This mode could be useful if the X server restarts often. Use
e.g. "-loop5000" to sleep 5000 ms between restarts. Also "-loop2000,5"
@@ -3431,7 +3432,7 @@ xpw=
web browser?
To have x11vnc serve up a Java VNC viewer applet to any web browsers
- that connect to it, run x11vnc with this [410]option:
+ that connect to it, run x11vnc with this [411]option:
-httpdir /path/to/the/java/classes/dir
(this directory will contain the files index.vnc and, for example,
@@ -3450,7 +3451,7 @@ xpw=
then you can connect to that URL with any Java enabled browser. Feel
free to customize the default index.vnc file in the classes directory.
- As of May/2005 the [411]-http option will try to guess where the Java
+ As of May/2005 the [412]-http option will try to guess where the Java
classes jar file is by looking in expected locations.
Also note that if you wanted to, you could also start the Java viewer
@@ -3464,7 +3465,7 @@ xpw=
As of Mar/2004 x11vnc supports reverse connections. On Unix one starts
the VNC viewer in listen mode: vncviewer -listen (see your
documentation for Windows, etc), and then starts up x11vnc with the
- [412]-connect option. To connect immediately at x11vnc startup time
+ [413]-connect option. To connect immediately at x11vnc startup time
use the "-connect host:port" option (use commas for a list of hosts to
connect to). The ":port" is optional (default is 5500).
@@ -3472,7 +3473,7 @@ xpw=
file is checked periodically (about once a second) for new hosts to
connect to.
- The [413]-remote control option (aka -R) can also be used to do this
+ The [414]-remote control option (aka -R) can also be used to do this
during an active x11vnc session, e.g.:
x11vnc -display :0 -R connect:hostname.domain
@@ -3484,7 +3485,7 @@ x11vnc -display :0 -R connect:hostname.domain
starting x11vnc.
To use the vncconnect(1) program (from the core VNC package at
- www.realvnc.com) specify the [414]-vncconnect option to x11vnc (Note:
+ www.realvnc.com) specify the [415]-vncconnect option to x11vnc (Note:
as of Dec/2004 -vncconnect is now the default). vncconnect(1) must be
pointed to the same X11 DISPLAY as x11vnc (since it uses X properties
to communicate with x11vnc). If you do not have or do not want to get
@@ -3529,7 +3530,7 @@ xprop -root -f VNC_CONNECT 8s -set VNC_CONNECT "$1"
There are some annoyances WRT Xvfb though. The default keyboard
mapping seems to be very poor. One should run x11vnc with
- [415]-add_keysyms option to have keysyms added automatically. Also, to
+ [416]-add_keysyms option to have keysyms added automatically. Also, to
add the Shift_R and Control_R modifiers something like this is needed:
#!/bin/sh
xmodmap -e "keycode any = Shift_R"
@@ -3551,11 +3552,11 @@ xmodmap -e "add Control = Control_L Control_R"
The main drawback to this method (besides requiring extra
configuration and possibly root permission) is that it also does the
- Linux Virtual Console/Terminal (VC/VT) [416]switching even though it
+ Linux Virtual Console/Terminal (VC/VT) [417]switching even though it
does not need to (since it doesn't use a real framebuffer). There are
some "dual headed" (actually multi-headed/multi-user) patches to the X
server that turn off the VT usage in the X server. Update: As of
- Jul/2005 we have an LD_PRELOAD script [417]Xdummy that allows you to
+ Jul/2005 we have an LD_PRELOAD script [418]Xdummy that allows you to
use a stock (i.e. unpatched) Xorg or XFree86 server with the "dummy"
driver and not have any VT switching problems! Currently Xdummy needs
to be run as root, but with some luck that may be relaxed in the
@@ -3587,7 +3588,7 @@ startx -- /path/to/Xdummy :1
An X server can be started on the headless machine (sometimes this
requires configuring the X server to not fail if it cannot detect a
keyboard or mouse, see the next paragraph). Then you can export that X
- display via x11vnc (e.g. see [418]this FAQ) and access it from
+ display via x11vnc (e.g. see [419]this FAQ) and access it from
anywhere on the network via a VNC viewer.
Some tips on getting X servers to start on machines without keyboard
@@ -3630,7 +3631,7 @@ startx -- /path/to/Xdummy :1
19/03/2004 10:10:58 error creating tile-row shm for len=4
19/03/2004 10:10:58 reverting to single_copytile mode
- Here is a shell script [419]shm_clear to list and prompt for removal
+ Here is a shell script [420]shm_clear to list and prompt for removal
of your unattached shm segments (attached ones are skipped). I use it
while debugging x11vnc (I use "shm_clear -y" to assume "yes" for each
prompt). If x11vnc is regularly not cleaning up its shm segments,
@@ -3664,36 +3665,36 @@ ied)
in /etc/system. See the next paragraph for more workarounds.
To minimize the number of shm segments used by x11vnc try using the
- [420]-onetile option (corresponds to only 3 shm segments used, and
+ [421]-onetile option (corresponds to only 3 shm segments used, and
adding -fs 1.0 knocks it down to 2). If you are having much trouble
with shm segments, consider disabling shm completely via the
- [421]-noshm option. Performance will be somewhat degraded but when
+ [422]-noshm option. Performance will be somewhat degraded but when
done over local machine sockets it should be acceptable (see an
- [422]earlier question discussing -noshm).
+ [423]earlier question discussing -noshm).
Q-58: How can I make x11vnc use less system resources?
- The [423]-nap and "[424]-wait n" (where n is the sleep between polls
+ The [424]-nap and "[425]-wait n" (where n is the sleep between polls
in milliseconds, the default is 30 or so) option are good places to
start. Reducing the X server bits per pixel depth (e.g. to 16bpp or
even 8bpp) will further decrease memory I/O and network I/O. The
ShadowFB will make x11vnc's screen polling less severe. Using the
- [425]-onetile option will use less memory and use fewer shared memory
- slots (add [426]-fs 1.0 for one less slot).
+ [426]-onetile option will use less memory and use fewer shared memory
+ slots (add [427]-fs 1.0 for one less slot).
Q-59: How can I make x11vnc use MORE system resources?
- You can try [427]-threads and dial down the wait time (e.g. -wait 1)
- and possibly dial down [428]-defer as well. Note that if you try to
+ You can try [428]-threads and dial down the wait time (e.g. -wait 1)
+ and possibly dial down [429]-defer as well. Note that if you try to
increase the "frame rate" too much you can bog down the server end
with the extra work it needs to do compressing the framebuffer data,
etc.
That said, it is possible to "stream" video via x11vnc if the video
window is small enough. E.g. a 256x192 xawtv TV capture window (using
- the x11vnc [429]-id option) can be streamed over a LAN or wireless at
+ the x11vnc [430]-id option) can be streamed over a LAN or wireless at
a reasonable frame rate.
@@ -3709,7 +3710,7 @@ ied)
* Use a smaller desktop size (e.g. 1024x768 instead of 1280x1024)
* Make sure the desktop background is a solid color (the background
is resent every time it is re-exposed). Consider using the
- [430]-solid [color] option to try to do this automatically.
+ [431]-solid [color] option to try to do this automatically.
* Configure your window manager or desktop "theme" to not use fancy
images, shading, and gradients for the window decorations, etc.
Disable window animations, etc. Maybe your desktop has a "low
@@ -3718,9 +3719,9 @@ ied)
-> Use Smooth Scrolling (deselect it).
* Avoid small scrolls of large windows using the Arrow keys or
scrollbar. Try to use PageUp/PageDown instead. (not so much of a
- problem in x11vnc 0.7.2 if [431]-scrollcopyrect is active and
+ problem in x11vnc 0.7.2 if [432]-scrollcopyrect is active and
detecting scrolls for the application).
- * If the [432]-wireframe option is not available (earlier than
+ * If the [433]-wireframe option is not available (earlier than
x11vnc 0.7.2 or you have disabled it via -nowireframe) then
Disable Opaque Moves and Resizes in the window manager/desktop.
* However if -wireframe is active (on by default in x11vnc 0.7.2)
@@ -3740,7 +3741,7 @@ ied)
noticed.
VNC viewer parameters:
- * Use a [433]TightVNC enabled viewer! (Actually, RealVNC 4.x viewer
+ * Use a [434]TightVNC enabled viewer! (Actually, RealVNC 4.x viewer
with ZRLE encoding is not too bad either; some claim it is
faster).
* Make sure the tight (or zrle) encoding is being used (look at
@@ -3763,33 +3764,33 @@ ied)
file.
x11vnc parameters:
- * Make sure the [434]-wireframe option is active (it should be on by
+ * Make sure the [435]-wireframe option is active (it should be on by
default) and you have Opaque Moves/Resizes Enabled in the window
manager.
- * Make sure the [435]-scrollcopyrect option is active (it should be
+ * Make sure the [436]-scrollcopyrect option is active (it should be
on by default). This detects scrolls in many (but not all)
applications an applies the CopyRect encoding for a big speedup.
- * Specify [436]-speeds modem to force the wireframe and
+ * Specify [437]-speeds modem to force the wireframe and
scrollcopyrect heuristic parameters (and any future ones) to those
of a dialup modem connection (or supply the rd,bw,lat numerical
values that characterize your link).
* If wireframe and scrollcopyrect aren't working, try using the more
- drastic [437]-nodragging (no screen updates when dragging mouse,
+ drastic [438]-nodragging (no screen updates when dragging mouse,
but sometimes you miss visual feedback)
- * Set [438]-fs 1.0 (disables fullscreen updates)
- * Try increasing [439]-wait or [440]-defer (reduces the maximum
+ * Set [439]-fs 1.0 (disables fullscreen updates)
+ * Try increasing [440]-wait or [441]-defer (reduces the maximum
"frame rate", but won't help much for large screen changes)
- * Try the [441]-progressive pixelheight mode with the block
+ * Try the [442]-progressive pixelheight mode with the block
pixelheight 100 or so (delays sending vertical blocks since they
may change while viewer is receiving earlier ones)
- * If you just want to watch one (simple) window use [442]-id (cuts
+ * If you just want to watch one (simple) window use [443]-id (cuts
down extraneous polling and updates, but can be buggy or
insufficient)
- * Set [443]-nosel (disables all clipboard selection exchange)
- * Use [444]-nocursor and [445]-nocursorpos (repainting the remote
+ * Set [444]-nosel (disables all clipboard selection exchange)
+ * Use [445]-nocursor and [446]-nocursorpos (repainting the remote
cursor position and shape takes resources and round trips)
* On very slow links (e.g. <= 28.8) you may need to increase the
- [446]-readtimeout n setting if it sometimes takes more than 20sec
+ [447]-readtimeout n setting if it sometimes takes more than 20sec
to paint the full screen, etc.
@@ -3811,7 +3812,7 @@ ied)
Note that the DAMAGE extension does not speed up the actual reading of
pixels from the video card framebuffer memory, by, say, mirroring them
- in main memory. So reading the fb is still painfully [447]slow (e.g.
+ in main memory. So reading the fb is still painfully [448]slow (e.g.
5MB/sec), and so even using X DAMAGE when large changes occur on the
screen the bulk of the time is still spent retrieving them. Not ideal,
but use of the ShadowFB XFree86/Xorg option speeds up the reading
@@ -3829,27 +3830,27 @@ ied)
DAMAGE rectangles to contain real damage. The larger rectangles are
only used as hints to focus the traditional scanline polling (i.e. if
a scanline doesn't intersect a recent DAMAGE rectangle, the scan is
- skipped). You can use the "[448]-xd_area A" option to adjust the size
+ skipped). You can use the "[449]-xd_area A" option to adjust the size
of the trusted DAMAGE rectangles. The default is 20000 pixels (e.g. a
140x140 square, etc). Use "-xd_area 0" to disable the cutoff and trust
all DAMAGE rectangles.
- The option "[449]-xd_mem f" may also be of use in tuning the
- algorithm. To disable using DAMAGE entirely use "[450]-noxdamage".
+ The option "[450]-xd_mem f" may also be of use in tuning the
+ algorithm. To disable using DAMAGE entirely use "[451]-noxdamage".
Q-62: When I drag windows around with the mouse or scroll up and down
things really bog down (unless I do the drag in a single, quick
motion). Is there anything to do to improve things?
- This problem is primarily due to [451]slow hardware read rates from
+ This problem is primarily due to [452]slow hardware read rates from
video cards: as you scroll or move a large window around the screen
changes are much too rapid for x11vnc to keep up them (it can usually
only read the video card at about 5-10 MB/sec, so it can take a good
fraction of a second to read the changes induce from moving a large
window, if this to be done a number of times in succession the window
or scroll appears to "lurch" forward). See the description in the
- [452]-pointer_mode option for more info. The next bottleneck is
+ [453]-pointer_mode option for more info. The next bottleneck is
compressing all of these changes and sending them out to connected
viewers, however the VNC protocol is pretty much self-adapting with
respect to that (updates are only packaged and sent when viewers ask
@@ -3859,26 +3860,26 @@ ied)
default should now be much better than before and dragging small
windows around should no longer be a huge pain. If for some reason
these changes make matters worse, you can go back to the old way via
- the "[453]-pointer_mode 1" option.
+ the "[454]-pointer_mode 1" option.
- Also added was the [454]-nodragging option that disables all screen
+ Also added was the [455]-nodragging option that disables all screen
updates while dragging with the mouse (i.e. mouse motion with a button
held down). This gives the snappiest response, but might be undesired
in some circumstances when you want to see the visual feedback while
dragging (e.g. menu traversal or text selection).
- As of Dec/2004 the [455]-pointer_mode n option was introduced. n=1 is
+ As of Dec/2004 the [456]-pointer_mode n option was introduced. n=1 is
the original mode, n=2 an improvement, etc.. See the -pointer_mode n
help for more info.
- Also, in some circumstances the [456]-threads option can improve
+ Also, in some circumstances the [457]-threads option can improve
response considerably. Be forewarned that if more than one vncviewer
is connected at the same time then libvncserver may not be thread safe
(try to get the viewers to use different VNC encodings, e.g. tight and
ZRLE).
- As of Apr/2005 two new options (see the [457]wireframe FAQ and
- [458]scrollcopyrect FAQ below) provide schemes to sweep this problem
+ As of Apr/2005 two new options (see the [458]wireframe FAQ and
+ [459]scrollcopyrect FAQ below) provide schemes to sweep this problem
under the rug for window moves or resizes and for some (but not all)
window scrolls.
@@ -3894,8 +3895,8 @@ ied)
the window move/resize stops, it returns to normal processing: you
should only see the window appear in the new position. This spares you
from interacting with a "lurching" window between all of the
- intermediate steps. BTW the lurching is due to [459]slow video card
- read rates (see [460]here too). A displacement, even a small one, of a
+ intermediate steps. BTW the lurching is due to [460]slow video card
+ read rates (see [461]here too). A displacement, even a small one, of a
large window requires a non-negligible amount of time, a good fraction
of a second, to read in from the hardware framebuffer.
@@ -3903,7 +3904,7 @@ ied)
for -wireframe to do any good.
The mode is currently on by default because most people are inflicted
- with the problem. It can be disabled with the [461]-nowireframe option
+ with the problem. It can be disabled with the [462]-nowireframe option
(aka -nowf). Why might one want to turn off the wireframing? Since
x11vnc is merely guessing when windows are being moved/resized, it may
guess poorly for your window-manager or desktop, or even for the way
@@ -3948,13 +3949,13 @@ ied)
* Maximum time to show a wireframe animation.
* Minimum time between sending wireframe outlines.
- See the [462]"-wireframe tweaks" option for more details. On a slow
+ See the [463]"-wireframe tweaks" option for more details. On a slow
link, e.g. dialup modem, the parameters may be automatically adjusted
for better response.
CopyRect encoding: In addition to the above there is the
- [463]"-wirecopyrect mode" option. It is also on by default. This
+ [464]"-wirecopyrect mode" option. It is also on by default. This
instructs x11vnc to not only show the wireframe animation, but to also
instruct all connected VNC viewers to locally translate the window
image data from the original position to the new position on the
@@ -4002,7 +4003,7 @@ ied)
requiring the image data to be transmitted over the network. For fast
links the speedup is primarily due to x11vnc not having to read the
scrolled framebuffer data from the X server (recall that reading from
- the hardware framebuffer is [464]slow).
+ the hardware framebuffer is [465]slow).
To do this x11vnc uses the RECORD X extension to snoop the X11
protocol between the X client with the focus window and the X server.
@@ -4024,10 +4025,10 @@ ied)
the X server display: if one falls too far behind it could become a
mess...
- The initial implementation of [465]-scrollcopyrect option is useful in
+ The initial implementation of [466]-scrollcopyrect option is useful in
that it detects many scrolls and thus gives a much nicer working
- environment (especially when combined with the [466]-wireframe
- [467]-wirecopyrect [468]options, which are also on by default; and if
+ environment (especially when combined with the [467]-wireframe
+ [468]-wirecopyrect [469]options, which are also on by default; and if
you are willing to enable the ShadowFB things are very fast). The fact
that there aren't long delays or lurches during scrolling is the
primary improvement.
@@ -4060,10 +4061,10 @@ ied)
One can tap the Alt_L key (Left "Alt" key) 3 times in a row to
signal x11vnc to refresh the screen to all viewers. Your
VNC-viewer may have its own screen refresh hot-key or button. See
- also: [469]-fixscreen
+ also: [470]-fixscreen
* Some applications, notably OpenOffice, do XCopyArea scrolls in
weird ways that assume ancestor window clipping is taking place.
- See the [470]-scr_skip option for ways to tweak this on a
+ See the [471]-scr_skip option for ways to tweak this on a
per-application basis.
* Selecting text while dragging the mouse may be slower, especially
if the Button-down event happens near the window's edge. This is
@@ -4080,7 +4081,7 @@ ied)
because it fails to detect scrolls in it. Sometimes clicking
inside the application window or selecting some text in it to
force the focus helps.
- * When using the [471]-scale option there will be a quick CopyRect
+ * When using the [472]-scale option there will be a quick CopyRect
scroll, but it needs to be followed by a slower "cleanup" update.
This is because for a fixed finite screen resolution (e.g. 75 dpi)
scaling and copyrect-ing are not exactly independent. Scaling
@@ -4093,7 +4094,7 @@ ied)
If you find the -scrollcopyrect behavior too approximate or
distracting you can go back to the standard polling-only update method
- with the [472]-noscrollcopyrect (or -noscr for short). If you find
+ with the [473]-noscrollcopyrect (or -noscr for short). If you find
some extremely bad and repeatable behavior for -scrollcopyrect please
report a bug.
@@ -4132,23 +4133,23 @@ ied)
this is because the cursor shape is often downloaded to the graphics
hardware (video card), but I could be mistaken.
- A simple kludge is provided by the "[473]-cursor X" option that
+ A simple kludge is provided by the "[474]-cursor X" option that
changes the cursor when the mouse is on the root background (or any
window has the same cursor as the root background). Note that desktops
like GNOME or KDE often cover up the root background, so this won't
- work for those cases. Also see the "[474]-cursor some" option for
+ work for those cases. Also see the "[475]-cursor some" option for
additional kludges.
Note that as of Aug/2004 on Solaris using the SUN_OVL overlay
extension and IRIX, x11vnc can show the correct mouse cursor when the
- [475]-overlay option is supplied. See [476]this FAQ for more info.
+ [476]-overlay option is supplied. See [477]this FAQ for more info.
Also as of Dec/2004 XFIXES X extension support has been added to allow
exact extraction of the mouse cursor shape. XFIXES fixes the problem
of the cursor-shape being write-only: x11vnc can now query the X
server for the current shape and send it back to the connected
viewers. XFIXES is available on recent Linux Xorg based distros and
- [477]Solaris 10.
+ [478]Solaris 10.
The only XFIXES issue is the handling of alpha channel transparency in
cursors. If a cursor has any translucency then in general it must be
@@ -4156,7 +4157,7 @@ ied)
situations where the cursor transparency can also handled exactly:
when the VNC Viewer requires the cursor shape be drawn into the VNC
framebuffer or if you apply a patch to your VNC Viewer to extract
- hidden alpha channel data under 32bpp. [478]Details can be found here.
+ hidden alpha channel data under 32bpp. [479]Details can be found here.
Q-66: When using XFIXES cursorshape mode, some of the cursors look
@@ -4189,17 +4190,17 @@ ied)
for most cursor themes and you don't have to worry about it.
In case it still looks bad for your cursor theme, there are (of
- course!) some tunable parameters. The "[479]-alphacut n" option lets
+ course!) some tunable parameters. The "[480]-alphacut n" option lets
you set the threshold "n" (between 0 and 255): cursor pixels with
alpha values below n will be considered completely transparent while
values equal to or above n will be completely opaque. The default is
- 240. The "[480]-alphafrac f" option tries to correct individual
+ 240. The "[481]-alphafrac f" option tries to correct individual
cursors that did not fare well with the default -alphacut value: if a
cursor has less than fraction f (between 0.0 and 1.0) of its pixels
selected by the default -alphacut, the threshold is lowered until f of
its pixels are selected. The default fraction is 0.33.
- Finally, there is an option [481]-alpharemove that is useful for
+ Finally, there is an option [482]-alpharemove that is useful for
themes where many cursors are light colored (e.g. "whiteglass").
XFIXES returns the cursor data with the RGB values pre-multiplied by
the alpha value. If the white cursors look too grey, specify
@@ -4225,10 +4226,10 @@ ied)
alpha channel data to libvncserver. However, this data will only be
used for VNC clients that do not support the CursorShapeUpdates VNC
extension (or have disabled it). It can be disabled for all clients
- with the [482]-nocursorshape x11vnc option. In this case the cursor is
+ with the [483]-nocursorshape x11vnc option. In this case the cursor is
drawn, correctly blended with the background, into the VNC framebuffer
before being sent out to the client. So the alpha blending is done on
- the x11vnc side. Use the [483]-noalphablend option to disable this
+ the x11vnc side. Use the [484]-noalphablend option to disable this
behavior (always approximate transparent cursors with opaque RGB
values).
@@ -4257,9 +4258,9 @@ ied)
Q-68: Why does the mouse arrow just stay in one corner in my
vncviewer, whereas my cursor (that does move) is just a dot?
- This default takes advantage of a [484]tightvnc extension
+ This default takes advantage of a [485]tightvnc extension
(CursorShapeUpdates) that allows specifying a cursor image shape for
- the local VNC viewer. You may disable it with the [485]-nocursor
+ the local VNC viewer. You may disable it with the [486]-nocursor
option to x11vnc if your viewer does not have this extension.
Note: as of Aug/2004 this should be fixed: the default for
@@ -4273,17 +4274,17 @@ ied)
clients (i.e. passive viewers can see the mouse cursor being moved
around by another viewer)?
- Use the [486]-cursorpos option when starting x11vnc. A VNC viewer must
+ Use the [487]-cursorpos option when starting x11vnc. A VNC viewer must
support the Cursor Positions Updates for the user to see the mouse
motions (the TightVNC viewers support this). As of Aug/2004 -cursorpos
- is the default. See also [487]-nocursorpos and [488]-nocursorshape.
+ is the default. See also [488]-nocursorpos and [489]-nocursorshape.
Q-70: Is it possible to swap the mouse buttons (e.g. left-handed
operation), or arbitrarily remap them? How about mapping button clicks
to keystrokes, e.g. to partially emulate Mouse wheel scrolling?
- You can remap the mouse buttons via something like: [489]-buttonmap
+ You can remap the mouse buttons via something like: [490]-buttonmap
13-31 (or perhaps 12-21). Also, note that xmodmap(1) lets you directly
adjust the X server's button mappings, but in some circumstances it
might be more desirable to have x11vnc do it.
@@ -4291,7 +4292,7 @@ ied)
One user had an X server with only one mouse button(!) and was able to
map all of the VNC client mouse buttons to it via: -buttonmap 123-111.
- Note that the [490]-debug_pointer option prints out much info for
+ Note that the [491]-debug_pointer option prints out much info for
every mouse/pointer event and is handy in solving problems.
To map mouse button clicks to keystrokes you can use the alternate
@@ -4313,7 +4314,7 @@ ied)
Exactly what keystroke "scrolling" events they should be bound to
depends on one's taste. If this method is too approximate, one could
- consider not using [491]-buttonmap but rather configuring the X server
+ consider not using [492]-buttonmap but rather configuring the X server
to think it has a mouse with 5 buttons even though the physical mouse
does not. (e.g. 'Option "ZAxisMapping" "4 5"').
@@ -4343,7 +4344,7 @@ ied)
Q-71: How can I get my AltGr and Shift modifiers to work between
keyboards for different languages?
- The option [492]-modtweak should help here. It is a mode that monitors
+ The option [493]-modtweak should help here. It is a mode that monitors
the state of the Shift and AltGr Modifiers and tries to deduce the
correct keycode to send, possibly by sending fake modifier key presses
and releases in addition to the actual keystroke.
@@ -4352,16 +4353,16 @@ ied)
to get the old behavior). This was done because it was noticed on
newer XFree86 setups even on bland "us" keyboards like "pc104 us"
XFree86 included a "ghost" key with both "<" and ">" it. This key does
- not exist on the keyboard (see [493]this FAQ for more info). Without
+ not exist on the keyboard (see [494]this FAQ for more info). Without
-modtweak there was then an ambiguity in the reverse map keysym =>
keycode, making it so the "<" symbol could not be typed.
- Also see the [494]FAQ about the -xkb option for a more powerful method
+ Also see the [495]FAQ about the -xkb option for a more powerful method
of modifier tweaking for use on X servers with the XKEYBOARD
extension.
When trying to resolve keyboard mapping problems, note that the
- [495]-debug_keyboard option prints out much info for every keystroke
+ [496]-debug_keyboard option prints out much info for every keystroke
and so can be useful debugging things.
@@ -4373,9 +4374,9 @@ ied)
(e.g. pc105 in the XF86Config file when it should be something else,
say pc104).
- Short Cut: Try the [496]-xkb or [497]-sloppy_keys options and see if
+ Short Cut: Try the [497]-xkb or [498]-sloppy_keys options and see if
that helps the situation. The discussion below is a bit outdated (e.g.
- [498]-modtweak is now the default) but is useful reference for various
+ [499]-modtweak is now the default) but is useful reference for various
tricks and so is kept.
@@ -4418,17 +4419,17 @@ ied)
-remap less-comma
These are convenient in that they do not modify the actual X server
- settings. The former ([499]-modtweak) is a mode that monitors the
+ settings. The former ([500]-modtweak) is a mode that monitors the
state of the Shift and AltGr modifiers and tries to deduce the correct
keycode sequence to send. Since Jul/2004 -modtweak is now the default.
- The latter ([500]-remap less-comma) is an immediate remapping of the
+ The latter ([501]-remap less-comma) is an immediate remapping of the
keysym less to the keysym comma when it comes in from a client (so
when Shift is down the comma press will yield "<").
- See also the [501]FAQ about the -xkb option as a possible workaround
+ See also the [502]FAQ about the -xkb option as a possible workaround
using the XKEYBOARD extension.
- Note that the [502]-debug_keyboard option prints out much info for
+ Note that the [503]-debug_keyboard option prints out much info for
every keystroke to aid debugging keyboard problems.
@@ -4436,13 +4437,13 @@ ied)
(i.e. an extra comma).
This is likely because you press "Shift" then "<" but then released
- the Shift key before releasing the "<". Because of a [503]keymapping
+ the Shift key before releasing the "<". Because of a [504]keymapping
ambiguity the last event "< up" is interpreted as "," because that key
unshifted is the comma.
- This should not happen in [504]-xkb mode, because it works hard to
+ This should not happen in [505]-xkb mode, because it works hard to
resolve the ambiguities. If you do not want to use -xkb, try the
- option [505]-sloppy_keys to attempt a similar type of algorithm.
+ option [506]-sloppy_keys to attempt a similar type of algorithm.
Q-74: I'm using an "international" keyboard (e.g. German "de", or
@@ -4466,7 +4467,7 @@ ied)
In both cases no AltGr is sent to the VNC server, but we know AltGr is
needed on the physical international keyboard to type a "@".
- This all worked fine with x11vnc running with the [506]-modtweak
+ This all worked fine with x11vnc running with the [507]-modtweak
option (it figures out how to adjust the Modifier keys (Shift or
AltGr) to get the "@"). However it fails under recent versions of
XFree86 (and the X.org fork). These run the XKEYBOARD extension by
@@ -4483,7 +4484,7 @@ ied)
* there is a new option -xkb to use the XKEYBOARD extension API to
do the Modifier key tweaking.
- The [507]-xkb option seems to fix all of the missing keys: "@", "<",
+ The [508]-xkb option seems to fix all of the missing keys: "@", "<",
">", etc.: it is recommended that you try it if you have this sort of
problem. Let us know if there are any remaining problems (see the next
paragraph for some known problems). If you specify the -debug_keyboard
@@ -4491,7 +4492,7 @@ ied)
debugging output (send it along with any problems you report).
Update: as of Jun/2005 x11vnc will try to automatically enable
- [508]-xkb if it appears that would be beneficial (e.g. if it sees any
+ [509]-xkb if it appears that would be beneficial (e.g. if it sees any
of "@", "<", ">", "[" and similar keys are mapped in a way that needs
the -xkb to access them). To disable this automatic check use -noxkb.
@@ -4506,7 +4507,7 @@ ied)
was attached to keycode 93 (no physical key generates this
keycode) while ISO_Level3_Shift was attached to keycode 113. The
keycode skipping option was used to disable the ghost key:
- [509]-skip_keycodes 93
+ [510]-skip_keycodes 93
* In implementing -xkb we noticed that some characters were still
not getting through, e.g. "~" and "^". This is not really an
XKEYBOARD problem. What was happening was the VNC viewer was
@@ -4523,16 +4524,16 @@ ied)
What to do? In general the VNC protocol has not really solved this
problem: what should be done if the VNC viewer sends a keysym not
recognized by the VNC server side? Workarounds can possibly be
- created using the [510]-remap x11vnc option:
+ created using the [511]-remap x11vnc option:
-remap asciitilde-dead_tilde,asciicircum-dead_circumflex
etc. Use -remap filename if the list is long. Please send us your
workarounds for this problem on your keyboard. Perhaps we can have
x11vnc adjust automatically at some point. Also see the
- [511]-add_keysyms option in the next paragraph.
- Update: for convenience "[512]-remap DEAD" does many of these
+ [512]-add_keysyms option in the next paragraph.
+ Update: for convenience "[513]-remap DEAD" does many of these
mappings at once.
- * To complement the above workaround using the [513]-remap, an
- option [514]-add_keysyms was added. This option instructs x11vnc
+ * To complement the above workaround using the [514]-remap, an
+ option [515]-add_keysyms was added. This option instructs x11vnc
to bind any unknown Keysyms coming in from VNC viewers to unused
Keycodes in the X server. This modifies the global state of the X
server. When x11vnc exits it removes the extra keymappings it
@@ -4551,7 +4552,7 @@ ied)
Short answer: disable key autorepeating by running the command "xset r
off" on the Xserver where x11vnc is run (restore via "xset r on") or
- use the new (Jul/2004) [515]-norepeat x11vnc option. You will still
+ use the new (Jul/2004) [516]-norepeat x11vnc option. You will still
have autorepeating because that is taken care of on your VNC viewer
side.
@@ -4575,7 +4576,7 @@ ied)
off", does the problem go away?
The workaround is to manually apply "xset r off" and "xset r on" as
- needed, or to use the [516]-norepeat (which has since Dec/2004 been
+ needed, or to use the [517]-norepeat (which has since Dec/2004 been
made the default). Note that with X server autorepeat turned off the
VNC viewer side of the connection will (nearly always) do its own
autorepeating so there is no big loss here, unless someone is also
@@ -4586,7 +4587,7 @@ ied)
keystrokes!!
Are you using x11vnc to log in to an X session? (as described in
- [517]this FAQ) If so, x11vnc is starting before your session and it
+ [518]this FAQ) If so, x11vnc is starting before your session and it
disables autorepeat when you connect, but then after you log in your
session startup (GNOME, KDE, ...) could be resetting the autorepeat to
be on. Or it could be something inside your desktop trying to be
@@ -4610,7 +4611,7 @@ ied)
machine where I run the VNC viewer does not. Is there a way I can map
a local unused key to send an AltGr? How about a Compose key as well?
- Something like "[518]-remap Super_R-Mode_switch" x11vnc option may
+ Something like "[519]-remap Super_R-Mode_switch" x11vnc option may
work. Note that Super_R is the "Right Windoze(tm) Flaggie" key; you
may want to choose another. The -debug_keyboard option comes in handy
in finding keysym names (so does xev(1)).
@@ -4633,7 +4634,7 @@ ied)
Since xmodmap(1) modifies the X server mappings you may not want to do
this (because it affects local work on that machine). Something like
- the [519]-remap Alt_L-Meta_L to x11vnc may be sufficient for ones
+ the [520]-remap Alt_L-Meta_L to x11vnc may be sufficient for ones
needs, and does not modify the X server environment. Note that you
cannot send Alt_L in this case, maybe -remap Super_L-Meta_L would be a
better choice if the Super_L key is typically unused in Unix.
@@ -4644,7 +4645,7 @@ ied)
This can be done directly in some X servers using AccessX and
Pointer_EnableKeys, but is a bit awkward. It may be more convenient to
- have x11vnc do the remapping. This can be done via the [520]-remap
+ have x11vnc do the remapping. This can be done via the [521]-remap
option using the fake "keysyms" Button1, Button2, etc. as the "to"
keys (i.e. the ones after the "-")
@@ -4653,7 +4654,7 @@ ied)
button "paste" because (using XFree86/Xorg Emulate3Buttons) you have
to click both buttons on the touch pad at the same time. This
remapping:
- [521]-remap Super_R-Button2
+ [522]-remap Super_R-Button2
maps the Super_R "flag" key press to the Button2 click, thereby making
X pasting a bit easier.
@@ -4672,10 +4673,10 @@ ied)
Caps_Lock in the viewer your local machine goes into the Caps_Lock on
state and sends keysym "A" say when you press "a". x11vnc will then
fake things up so that Shift is held down to generate "A". The
- [522]-skip_lockkeys option should help to accomplish this. For finer
- grain control use something like: "[523]-remap Caps_Lock-None".
+ [523]-skip_lockkeys option should help to accomplish this. For finer
+ grain control use something like: "[524]-remap Caps_Lock-None".
- Also try the [524]-nomodtweak and [525]-capslock options.
+ Also try the [525]-nomodtweak and [526]-capslock options.
[Screen Related Issues and Features]
@@ -4698,7 +4699,7 @@ ied)
There may also be scaling viewers out there (e.g. TightVNC or UltraVNC
on Windows) that automatically shrink or expand the remote framebuffer
to fit the local display. Especially for hand-held devices. See also
- [526]this FAQ on x11vnc scaling.
+ [527]this FAQ on x11vnc scaling.
Q-82: Does x11vnc support server-side framebuffer scaling? (E.g. to
@@ -4706,7 +4707,7 @@ ied)
As of Jun/2004 x11vnc provides basic server-side scaling. It is a
global scaling of the desktop, not a per-client setting. To enable it
- use the "[527]-scale fraction" option. "fraction" can either be a
+ use the "[528]-scale fraction" option. "fraction" can either be a
floating point number (e.g. -scale 0.5) or the alternative m/n
fraction notation (e.g. -scale 3/4). Note that if fraction is greater
than one the display is magnified.
@@ -4727,7 +4728,7 @@ ied)
One can also use the ":nb" with an integer scale factor (say "-scale
2:nb") to use x11vnc as a screen magnifier for vision impaired
- [528]applications. Since with integer scale factors the framebuffers
+ [529]applications. Since with integer scale factors the framebuffers
become huge and scaling operations time consuming, be sure to use
":nb" for the fastest response.
@@ -4753,7 +4754,7 @@ ied)
If one desires per-client scaling for something like 1:1 from a
workstation and 1:2 from a smaller device (e.g. handheld), currently
the only option is to run two (or more) x11vnc processes with
- different scalings listening on separate ports ([529]-rfbport option,
+ different scalings listening on separate ports ([530]-rfbport option,
etc.).
Update: As of May/2006 x11vnc also supports the UltraVNC server-side
@@ -4763,8 +4764,8 @@ ied)
"-rfbversion 3.6" for this to be recognized by UltraVNC viewers.
BTW, whenever you run two or more x11vnc's on the same X display and
- use the [530]GUI, then to avoid all of the x11vnc's simultaneously
- answering the gui you will need to use something like [531]"-connect
+ use the [531]GUI, then to avoid all of the x11vnc's simultaneously
+ answering the gui you will need to use something like [532]"-connect
file1 -gui ..." with different connect files for each x11vnc you want
to control via the gui (or remote-control). The "-connect file1" usage
gives separate communication channels between a x11vnc proces and the
@@ -4773,7 +4774,7 @@ ied)
Update: As of Mar/2005 x11vnc now scales the mouse cursor with the
same scale factor as the screen. If you don't want that, use the
- [532]"-scale_cursor frac" option to set the cursor scaling to a
+ [533]"-scale_cursor frac" option to set the cursor scaling to a
different factor (e.g. use "-scale_cursor 1" to keep the cursor at its
natural unscaled size).
@@ -4795,17 +4796,17 @@ ied)
screen is not rectangular (e.g. 1280x1024 and 1024x768 monitors joined
together), then there will be "non-existent" areas on the screen. The
X server will return "garbage" image data for these areas and so they
- may be distracting to the viewer. The [533]-blackout x11vnc option
+ may be distracting to the viewer. The [534]-blackout x11vnc option
allows you to blacken-out rectangles by manually specifying their
WxH+X+Y geometries. If your system has the libXinerama library, the
- [534]-xinerama x11vnc option can be used to have it automatically
+ [535]-xinerama x11vnc option can be used to have it automatically
determine the rectangles to be blackened out. (Note on 8bpp
PseudoColor displays the fill color may not be black). Update:
- [535]-xinerama is now on by default.
+ [536]-xinerama is now on by default.
Some users have reported that the mouse does not behave properly for
their Xinerama display: i.e. the mouse cannot be moved to all regions
- of the large display. If this happens try using the [536]-xwarppointer
+ of the large display. If this happens try using the [537]-xwarppointer
option. This instructs x11vnc to fake mouse pointer motions using the
XWarpPointer function instead of the XTestFakeMotionEvent XTEST
function. (This may be due to a bug in the X server for XTEST when
@@ -4830,23 +4831,23 @@ ied)
Note: if you are running on Solaris 8 or earlier you can easily hit up
against the maximum of 6 shm segments per process (for Xsun in this
case) from running multiple x11vnc processes. You should modify
- /etc/system as mentioned in another [537]FAQ to increase the limit. It
- is probably also a good idea to run with the [538]-onetile option in
+ /etc/system as mentioned in another [538]FAQ to increase the limit. It
+ is probably also a good idea to run with the [539]-onetile option in
this case (to limit each x11vnc to 3 shm segments), or even
- [539]-noshm to use no shm segments.
+ [540]-noshm to use no shm segments.
Q-85: Can x11vnc show only a portion of the display? (E.g. for a
special purpose rfb application).
- As of Mar/2005 x11vnc has the "[540]-clip WxH+X+Y" option to select a
+ As of Mar/2005 x11vnc has the "[541]-clip WxH+X+Y" option to select a
rectangle of width W, height H and offset (X, Y). Thus the VNC screen
will be the clipped sub-region of the display and be only WxH in size.
- One user used -clip to split up a large [541]Xinerama screen into two
+ One user used -clip to split up a large [542]Xinerama screen into two
more managable smaller screens.
This also works to view a sub-region of a single application window if
- the [542]-id or [543]-sid options are used. The offset is measured
+ the [543]-id or [544]-sid options are used. The offset is measured
from the upper left corner of the selected window.
@@ -4855,7 +4856,7 @@ ied)
crash.
As of Dec/2004 x11vnc supports XRANDR. You enable it with the
- [544]-xrandr option to make x11vnc monitor XRANDR events and also trap
+ [545]-xrandr option to make x11vnc monitor XRANDR events and also trap
X server errors if the screen change occurred in the middle of an X
call like XGetImage. Once it traps the screen change it will create a
new framebuffer using the new screen.
@@ -4865,7 +4866,7 @@ ied)
then the viewer will automatically resize. Otherwise, the new
framebuffer is fit as best as possible into the original viewer size
(portions of the screen may be clipped, unused, etc). For these
- viewers you can try the [545]-padgeom option to make the region big
+ viewers you can try the [546]-padgeom option to make the region big
enough to hold all resizes and rotations.
If you specify "-xrandr newfbsize" then vnc viewers that do not
@@ -4920,9 +4921,9 @@ ied)
* Fullscreen mode
The way VMWare does Fullscreen mode on Linux is to display the Guest
- desktop in a separate Virtual Console (e.g. VC 8) (see [546]this FAQ
+ desktop in a separate Virtual Console (e.g. VC 8) (see [547]this FAQ
on VC's for background). Unfortunately, this Fullscreen VC is not an X
- server. So x11vnc cannot access it (however, [547]see this for a
+ server. So x11vnc cannot access it (however, [548]see this for a
possible partial workaround). x11vnc works fine with "Normal X
application window" and "Quick-Switch mode" because these use X.
@@ -4943,13 +4944,13 @@ ied)
response. One can also cut the display depth (e.g. to 16bpp) in this
2nd X session to improve video performance. This 2nd X session
emulates Fullscreen mode to some degree and can be viewed via x11vnc
- as long as the VMWare X session [548]is in the active VC.
+ as long as the VMWare X session [549]is in the active VC.
Also note that with a little bit of playing with "xwininfo -all
-children" output one can extract the (non-toplevel) windowid of the
of the Guest desktop only when VMWare is running as a normal X
application. Then one can export just the guest desktop (i.e. without
- the VMWare menu buttons) by use of the [549]-id windowid option. The
+ the VMWare menu buttons) by use of the [550]-id windowid option. The
caveats are the X session VMWare is in must be in the active VC and
the window must be fully visible, so this mode is not terribly
convenient, but could be useful in some circumstances (e.g. running
@@ -4994,9 +4995,9 @@ ied)
memory and is preferred over "file" (that uses the slower lseek(2)
access method). Only use file if map isn't working. BTW, "mmap" is an
alias for "map" and if you do not supply a type and the file exists,
- map is assumed. The "snap:" setting applies the [550]-snapfb option
+ map is assumed. The "snap:" setting applies the [551]-snapfb option
with "file:" type reading (this is useful for exporting webcams or TV
- tuner video; see [551]the next FAQ for more info).
+ tuner video; see [552]the next FAQ for more info).
Also, if the string is of the form "setup:cmd" then cmd is run and the
first line of its output retrieved and used as the rawfb string. This
@@ -5036,7 +5037,7 @@ ied)
screen to either shm or a mapped file. The format of these is XWD and
so the initial header should be skipped. BTW, since XWD is not
strictly RGB the view will only be approximate. Of course for the case
- of Xvfb x11vnc can poll it much better via the [552]X API, but you get
+ of Xvfb x11vnc can poll it much better via the [553]X API, but you get
the idea.
By default in -rawfb mode x11vnc will actually close any X display it
@@ -5055,7 +5056,7 @@ ied)
All of the above was just for viewing the raw framebuffer. That may be
enough for certain applications of this feature (e.g. suppose a
- [553]video camera mapped its framebuffer into memory). To handle the
+ [554]video camera mapped its framebuffer into memory). To handle the
pointer and keyboard input from the viewer users the "-pipeinput cmd"
option was added to indicate a helper program to process the user
input. The input is streamed to it and looks something like this:
@@ -5090,7 +5091,7 @@ ied)
keystrokes into the Linux console (e.g. the virtual consoles:
/dev/tty1, /dev/tty2, etc) in x11vnc/misc/vcinject.pl. It is based on
the vncterm/LinuxVNC.c program also in the libvncserver CVS. So to
- view and interact with VC #2 (assuming it is the [554]active VC) one
+ view and interact with VC #2 (assuming it is the [555]active VC) one
can run something like:
x11vnc -rawfb map:/dev/fb0@1024x768x16 -pipeinput './vcinject.pl 2'
@@ -5131,7 +5132,7 @@ ied)
more accurate and faster LinuxVNC program. The only advantage x11vnc
-rawfb might have is that it can presumably allow interaction with a
non-text application, e.g. one based on svgalib. For example the
- [555]VMWare Fullscreen mode is actually viewable under -rawfb. But
+ [556]VMWare Fullscreen mode is actually viewable under -rawfb. But
this isn't much use until one figures out how to inject keystrokes and
mouse events...
@@ -5145,9 +5146,9 @@ ied)
Q-91: Can I export via VNC a Webcam or TV tuner framebuffer using
x11vnc?
- Yes, this is possible to some degree with the [556]-rawfb option.
+ Yes, this is possible to some degree with the [557]-rawfb option.
There is no X11 involved: snapshots from the video capture device are
- used for the screen image data. See the [557]previous FAQ on -rawfb
+ used for the screen image data. See the [558]previous FAQ on -rawfb
for background. For best results, use x11vnc version 0.8.1 or later.
Roughly, one would do something like this:
@@ -5159,7 +5160,7 @@ ied)
snapshot to a file that you point -rawfb to; ask me if it is not clear
what to do).
- The "snap:" enforces [558]-snapfb mode which appears to be necessary.
+ The "snap:" enforces [559]-snapfb mode which appears to be necessary.
The read pointer for video capture devices cannot be repositioned
(which would be needed for scanline polling), but you can read a full
frame of data from the device.
@@ -5181,7 +5182,7 @@ ied)
Many video4linux drivers tend to set the framebuffer to be 24bpp (as
opposed to 32bpp). Since this can cause problems with VNC viewers,
- etc, the [559]-24to32 option will be automatically imposed when in
+ etc, the [560]-24to32 option will be automatically imposed when in
24bpp.
Note that by its very nature, video capture involves rapid change in
@@ -5189,7 +5190,7 @@ ied)
wavering in brightness is always happening. This can lead to much
network bandwidth consumption for the VNC traffic and also local CPU
and I/O resource usage. You may want to experiment with "dialing down"
- the framerate via the [560]-wait, [561]-slow_fb, or [562]-defer
+ the framerate via the [561]-wait, [562]-slow_fb, or [563]-defer
options. Decreasing the window size and bpp also helps.
@@ -5277,7 +5278,7 @@ ied)
format to HI240, RGB565, RGB24, RGB32, RGB555, and
GREY respectively. See -rawfb video for details.
- See also the [563]-freqtab option to supply your own xawtv channel to
+ See also the [564]-freqtab option to supply your own xawtv channel to
frequency mappings for your country (only ntsc-cable-us is built into
x11vnc).
@@ -5303,9 +5304,9 @@ ied)
As of Jan/2004 x11vnc supports the "CutText" part of the rfb protocol.
Furthermore, x11vnc is able to hold the PRIMARY selection (Xvnc does
not seem to do this). If you don't want the Clipboard/Selection
- exchanged use the [564]-nosel option. If you don't want the PRIMARY
- selection to be polled for changes use the [565]-noprimary option. You
- can also fine-tune it a bit with the [566]-seldir dir option.
+ exchanged use the [565]-nosel option. If you don't want the PRIMARY
+ selection to be polled for changes use the [566]-noprimary option. You
+ can also fine-tune it a bit with the [567]-seldir dir option.
You may need to watch out for desktop utilities such as KDE's
"Klipper" that do odd things with the selection, clipboard, and
@@ -5320,12 +5321,12 @@ ied)
(and Windows viewers only support filetransfer it appears).
TightVNC file transfer is on by default, if you want to disable it use
- the [567]-nofilexfer option. UltraVNC file transfer is currently off
+ the [568]-nofilexfer option. UltraVNC file transfer is currently off
by default, to enable it use something like "-rfbversion 3.6
-permitfiletransfer"
options (UltraVNC incorrectly uses the RFB protocol version to
- determine if features are available, so x11vnc has to pretend to be
- version 3.6).
+ determine if its features are available, so x11vnc has to pretend to
+ be version 3.6).
Q-95: How can I hear the sound (audio) from the remote applications on
@@ -5431,9 +5432,9 @@ or:
in Solaris, see Xserver(1) for how to turn it on via +kb), and so you
won't hear them if the extension is not present.
- If you don't want to hear the beeps use the [568]-nobell option. If
+ If you don't want to hear the beeps use the [569]-nobell option. If
you want to hear the audio from the remote applications, consider
- trying a [569]redirector such as esd.
+ trying a [570]redirector such as esd.
@@ -5493,532 +5494,533 @@ References
41. http://www.karlrunge.com/x11vnc/index.html#faq-passwd
42. http://www.karlrunge.com/x11vnc/index.html#faq-passwdfile
43. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-passwdfile
- 44. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-ssl
- 45. http://www.karlrunge.com/x11vnc/index.html#faq-allow-opt
- 46. http://www.karlrunge.com/x11vnc/index.html#faq-tcp_wrappers
- 47. http://www.stunnel.org/
- 48. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-ssl
- 49. http://www.karlrunge.com/x11vnc/index.html#faq-ssl-tunnel-int
- 50. http://sourceforge.net/projects/libvncserver/
- 51. http://sourceforge.net/project/showfiles.php?group_id=32584&package_id=119006&release_id=422738
- 52. http://sourceforge.net/project/shownotes.php?release_id=422738&group_id=32584
- 53. http://www.karlrunge.com/x11vnc/x11vnc-0.8.2.tar.gz
- 54. http://www.karlrunge.com/x11vnc/index.html#faq-binaries
- 55. http://www.tightvnc.com/download.html
- 56. http://www.realvnc.com/download-free.html
- 57. http://sourceforge.net/projects/cotvnc/
- 58. http://www.ultravnc.com/
- 59. http://www.karlrunge.com/x11vnc/rx11vnc
- 60. http://www.karlrunge.com/x11vnc/rx11vnc.pl
- 61. http://www.sunfreeware.com/
- 62. http://www.karlrunge.com/x11vnc/bins
- 63. http://www.karlrunge.com/x11vnc/index.html#solarisbuilding
- 64. http://www.karlrunge.com/x11vnc/miscbuild.html
- 65. ftp://ftp.uu.net/graphics/jpeg/
- 66. http://www.gzip.org/zlib/
- 67. http://www.sunfreeware.com/
- 68. http://www.karlrunge.com/x11vnc/index.html#faq-solaris251build
- 69. http://www.karlrunge.com/x11vnc/x11vnc-0.8.2.tar.gz
- 70. http://www.karlrunge.com/x11vnc/bins
- 71. mailto:x11vnc-beta@karlrunge.com
- 72. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-rawfb
+ 44. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-usepw
+ 45. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-ssl
+ 46. http://www.karlrunge.com/x11vnc/index.html#faq-allow-opt
+ 47. http://www.karlrunge.com/x11vnc/index.html#faq-tcp_wrappers
+ 48. http://www.stunnel.org/
+ 49. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-ssl
+ 50. http://www.karlrunge.com/x11vnc/index.html#faq-ssl-tunnel-int
+ 51. http://sourceforge.net/projects/libvncserver/
+ 52. http://sourceforge.net/project/showfiles.php?group_id=32584&package_id=119006&release_id=422738
+ 53. http://sourceforge.net/project/shownotes.php?release_id=422738&group_id=32584
+ 54. http://www.karlrunge.com/x11vnc/x11vnc-0.8.2.tar.gz
+ 55. http://www.karlrunge.com/x11vnc/index.html#faq-binaries
+ 56. http://www.tightvnc.com/download.html
+ 57. http://www.realvnc.com/download-free.html
+ 58. http://sourceforge.net/projects/cotvnc/
+ 59. http://www.ultravnc.com/
+ 60. http://www.karlrunge.com/x11vnc/rx11vnc
+ 61. http://www.karlrunge.com/x11vnc/rx11vnc.pl
+ 62. http://www.sunfreeware.com/
+ 63. http://www.karlrunge.com/x11vnc/bins
+ 64. http://www.karlrunge.com/x11vnc/index.html#solarisbuilding
+ 65. http://www.karlrunge.com/x11vnc/miscbuild.html
+ 66. ftp://ftp.uu.net/graphics/jpeg/
+ 67. http://www.gzip.org/zlib/
+ 68. http://www.sunfreeware.com/
+ 69. http://www.karlrunge.com/x11vnc/index.html#faq-solaris251build
+ 70. http://www.karlrunge.com/x11vnc/x11vnc-0.8.2.tar.gz
+ 71. http://www.karlrunge.com/x11vnc/bins
+ 72. mailto:x11vnc-beta@karlrunge.com
73. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-rawfb
- 74. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-24to32
- 75. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-usepw
- 76. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-noclipboard
- 77. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-nosetclipboard
- 78. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-capslock
- 79. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-skip_lockkeys
- 80. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-fbpm
- 81. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-xinerama
- 82. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-ssl
- 83. http://www.openssl.org/
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- 85. http://www.stunnel.org/
- 86. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-sslverify
- 87. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-https
- 88. http://www.karlrunge.com/x11vnc/index.html#ssl_vncviewer
- 89. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-unixpw
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- 91. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-ssl
- 92. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-localhost
- 93. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-stunnel
- 94. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-display_WAIT
- 95. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-display
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- 103. http://www.karlrunge.com/x11vnc/recurse_x11vnc.jpg
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- 107. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-wireframe
- 108. http://www.karlrunge.com/x11vnc/index.html#faq-xvfb
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- 110. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-overlay
- 111. http://www.karlrunge.com/x11vnc/index.html#faq-sound
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- 117. http://www.karlrunge.com/x11vnc/index.html#faq-missing-xtest
- 118. http://www.karlrunge.com/x11vnc/index.html#faq-solaris251build
- 119. http://www.karlrunge.com/x11vnc/index.html#faq-binaries
- 120. http://www.karlrunge.com/x11vnc/index.html#faq-viewer-download
- 121. http://www.karlrunge.com/x11vnc/index.html#faq-cmdline-opts
- 122. http://www.karlrunge.com/x11vnc/index.html#faq-config-file
- 123. http://www.karlrunge.com/x11vnc/index.html#faq-gui-tray
- 124. http://www.karlrunge.com/x11vnc/index.html#faq-quiet-bg
- 125. http://www.karlrunge.com/x11vnc/index.html#faq-sigpipe
- 126. http://www.karlrunge.com/x11vnc/index.html#faq-build-customizations
- 127. http://www.karlrunge.com/x11vnc/index.html#faq-win2vnc
- 128. http://www.karlrunge.com/x11vnc/index.html#faq-win2vnc-8bpp
- 129. http://www.karlrunge.com/x11vnc/index.html#faq-8bpp
- 130. http://www.karlrunge.com/x11vnc/index.html#faq-overlays
- 131. http://www.karlrunge.com/x11vnc/index.html#faq-windowid
- 132. http://www.karlrunge.com/x11vnc/index.html#faq-transients-id
- 133. http://www.karlrunge.com/x11vnc/index.html#faq-24bpp
- 134. http://www.karlrunge.com/x11vnc/index.html#faq-noshm
- 135. http://www.karlrunge.com/x11vnc/index.html#faq-xterminal-xauth
- 136. http://www.karlrunge.com/x11vnc/index.html#faq-sunrays
- 137. http://www.karlrunge.com/x11vnc/index.html#faq-stop-bg
- 138. http://www.karlrunge.com/x11vnc/index.html#faq-remote_control
- 139. http://www.karlrunge.com/x11vnc/index.html#faq-passwd
- 140. http://www.karlrunge.com/x11vnc/index.html#faq-passwd-noecho
- 141. http://www.karlrunge.com/x11vnc/index.html#faq-passwdfile
- 142. http://www.karlrunge.com/x11vnc/index.html#faq-multipasswd
- 143. http://www.karlrunge.com/x11vnc/index.html#faq-unix-passwords
- 144. http://www.karlrunge.com/x11vnc/index.html#faq-forever-shared
- 145. http://www.karlrunge.com/x11vnc/index.html#faq-allow-opt
- 146. http://www.karlrunge.com/x11vnc/index.html#faq-tcp_wrappers
- 147. http://www.karlrunge.com/x11vnc/index.html#faq-listen-interface
- 148. http://www.karlrunge.com/x11vnc/index.html#faq-listen-localhost
- 149. http://www.karlrunge.com/x11vnc/index.html#faq-input-opt
- 150. http://www.karlrunge.com/x11vnc/index.html#faq-accept-opt
- 151. http://www.karlrunge.com/x11vnc/index.html#faq-users-opt
- 152. http://www.karlrunge.com/x11vnc/index.html#faq-blockdpy
- 153. http://www.karlrunge.com/x11vnc/index.html#faq-gone-lock
- 154. http://www.karlrunge.com/x11vnc/index.html#faq-ssh-unix
- 155. http://www.karlrunge.com/x11vnc/index.html#faq-ssh-putty
- 156. http://www.karlrunge.com/x11vnc/index.html#faq-ssl-tunnel-ext
- 157. http://www.karlrunge.com/x11vnc/index.html#faq-ssl-tunnel-int
- 158. http://www.karlrunge.com/x11vnc/index.html#faq-ssl-tunnel-viewers
- 159. http://www.karlrunge.com/x11vnc/index.html#faq-ssl-java-viewer-proxy
- 160. http://www.karlrunge.com/x11vnc/index.html#faq-ssl-portal
- 161. http://www.karlrunge.com/x11vnc/index.html#faq-ssl-ca
- 162. http://www.karlrunge.com/x11vnc/index.html#faq-service
- 163. http://www.karlrunge.com/x11vnc/index.html#faq-display-manager
- 164. http://www.karlrunge.com/x11vnc/index.html#faq-inetd
- 165. http://www.karlrunge.com/x11vnc/index.html#faq-userlogin
- 166. http://www.karlrunge.com/x11vnc/index.html#faq-loop
- 167. http://www.karlrunge.com/x11vnc/index.html#faq-java-http
- 168. http://www.karlrunge.com/x11vnc/index.html#faq-reverse-connect
- 169. http://www.karlrunge.com/x11vnc/index.html#faq-xvfb
- 170. http://www.karlrunge.com/x11vnc/index.html#faq-headless
- 171. http://www.karlrunge.com/x11vnc/index.html#faq-solshm
- 172. http://www.karlrunge.com/x11vnc/index.html#faq-less-resource
- 173. http://www.karlrunge.com/x11vnc/index.html#faq-more-resource
- 174. http://www.karlrunge.com/x11vnc/index.html#faq-slow-link
- 175. http://www.karlrunge.com/x11vnc/index.html#faq-xdamage
- 176. http://www.karlrunge.com/x11vnc/index.html#faq-pointer-mode
- 177. http://www.karlrunge.com/x11vnc/index.html#faq-wireframe
- 178. http://www.karlrunge.com/x11vnc/index.html#faq-scrollcopyrect
- 179. http://www.karlrunge.com/x11vnc/index.html#faq-cursor-shape
- 180. http://www.karlrunge.com/x11vnc/index.html#faq-xfixes-alpha
- 181. http://www.karlrunge.com/x11vnc/index.html#faq-xfixes-alpha-hacks
- 182. http://www.karlrunge.com/x11vnc/index.html#faq-cursor-arrow
- 183. http://www.karlrunge.com/x11vnc/index.html#faq-cursor-positions
- 184. http://www.karlrunge.com/x11vnc/index.html#faq-buttonmap-opt
- 185. http://www.karlrunge.com/x11vnc/index.html#faq-altgr
- 186. http://www.karlrunge.com/x11vnc/index.html#faq-greaterless
- 187. http://www.karlrunge.com/x11vnc/index.html#faq-greaterless-sloppy
- 188. http://www.karlrunge.com/x11vnc/index.html#faq-xkbmodtweak
- 189. http://www.karlrunge.com/x11vnc/index.html#faq-repeated-keys
- 190. http://www.karlrunge.com/x11vnc/index.html#faq-repeated-keys-still
- 191. http://www.karlrunge.com/x11vnc/index.html#faq-remap-opt
- 192. http://www.karlrunge.com/x11vnc/index.html#faq-sun-alt-meta
- 193. http://www.karlrunge.com/x11vnc/index.html#faq-remap-button-click
- 194. http://www.karlrunge.com/x11vnc/index.html#faq-remap-capslock
- 195. http://www.karlrunge.com/x11vnc/index.html#faq-scrollbars
- 196. http://www.karlrunge.com/x11vnc/index.html#faq-scaling
- 197. http://www.karlrunge.com/x11vnc/index.html#faq-xinerama
- 198. http://www.karlrunge.com/x11vnc/index.html#faq-multi-screen
- 199. http://www.karlrunge.com/x11vnc/index.html#faq-clip-screen
- 200. http://www.karlrunge.com/x11vnc/index.html#faq-xrandr
- 201. http://www.karlrunge.com/x11vnc/index.html#faq-black-screen
- 202. http://www.karlrunge.com/x11vnc/index.html#faq-linuxvc
- 203. http://www.karlrunge.com/x11vnc/index.html#faq-vmware
- 204. http://www.karlrunge.com/x11vnc/index.html#faq-rawfb
- 205. http://www.karlrunge.com/x11vnc/index.html#faq-video
- 206. http://www.karlrunge.com/x11vnc/index.html#faq-hidden-taskbars
- 207. http://www.karlrunge.com/x11vnc/index.html#faq-clipboard
- 208. http://www.karlrunge.com/x11vnc/index.html#faq-filexfer
- 209. http://www.karlrunge.com/x11vnc/index.html#faq-sound
- 210. http://www.karlrunge.com/x11vnc/index.html#faq-beeps
- 211. http://www.karlrunge.com/x11vnc/index.html#faq-thanks
- 212. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-display
- 213. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-auth
- 214. http://www.karlrunge.com/x11vnc/index.html#faq-display-manager
- 215. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-users
- 216. http://www.karlrunge.com/x11vnc/index.html#solarisbuilding
- 217. http://www.karlrunge.com/x11vnc/x11vnc_sunos4.html
- 218. http://www.karlrunge.com/x11vnc/index.html#building
- 219. http://www.karlrunge.com/x11vnc/index.html#faq-build
- 220. http://packages.debian.org/x11vnc
- 221. http://www.linuxpackages.net/search_view.php?by=name&name=x11vnc
- 222. http://dag.wieers.com/packages/x11vnc/
- 223. http://dries.ulyssis.org/rpm/packages/x11vnc/info.html
- 224. http://linux01.gwdg.de/~pbleser/rpm-navigation.php?cat=Network/x11vnc/
- 225. http://www.sunfreeware.com/
- 226. http://www.freebsd.org/cgi/ports.cgi?query=x11vnc&stype=all
- 227. http://www.freshports.org/net/x11vnc
- 228. http://www.openbsd.org/3.9_packages/i386/x11vnc-0.6.2.tgz-long.html
- 229. http://pkgsrc.se/x11/x11vnc
- 230. http://mike.saunby.net/770/x11vnc/
- 231. http://www.pdaxrom.org/ipk_feed.php?menuid=11&showfeed=unstable#x11vnc
- 232. http://www.focv.com/ipkg/
- 233. http://www.karlrunge.com/x11vnc/bins
- 234. http://www.tightvnc.com/download.html
- 235. http://www.realvnc.com/download-free.html
- 236. http://sourceforge.net/projects/cotvnc/
- 237. http://www.ultravnc.com/
- 238. http://www.karlrunge.com/x11vnc/x11vnc_opts.html
- 239. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-gui
- 240. http://www.karlrunge.com/x11vnc/index.html#faq-gui-tray
- 241. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-q
- 242. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-bg
- 243. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-o
- 244. http://www.karlrunge.com/x11vnc/index.html#solarisbuilding
- 245. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-nofb
- 246. http://fredrik.hubbe.net/x2vnc.html
- 247. http://www.hubbe.net/~hubbe/win2vnc.html
- 248. http://www.deboer.gmxhome.de/
- 249. http://sourceforge.net/projects/win2vnc/
- 250. http://fredrik.hubbe.net/x2vnc.html
- 251. http://freshmeat.net/projects/x2x/
- 252. http://ftp.digital.com/pub/Digital/SRC/x2x/
- 253. http://zapek.com/software/zvnc/
- 254. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-visual
- 255. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-flashcmap
- 256. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-8to24
- 257. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-notruecolor
- 258. http://www.karlrunge.com/x11vnc/index.html#faq-8bpp
- 259. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-overlay
- 260. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-8to24
- 261. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-overlay
- 262. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-8to24
- 263. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-flashcmap
- 264. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-fixscreen
- 265. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-8to24
- 266. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-id
- 267. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-8to24
- 268. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-overlay
- 269. http://www.karlrunge.com/x11vnc/index.html#faq-overlays
- 270. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-id
- 271. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-sid
- 272. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-24to32
- 273. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-display
- 274. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-noshm
- 275. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-flipbyteorder
- 276. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-auth
- 277. http://www.karlrunge.com/x11vnc/index.html#xauth_pain
- 278. http://www.karlrunge.com/x11vnc/index.html#faq-noshm
- 279. http://wwws.sun.com/sunray/index.html
- 280. http://www.karlrunge.com/x11vnc/sunray.html
- 281. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-remote
- 282. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-query
- 283. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-forever
- 284. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-bg
- 285. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-clear_mods
- 286. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-clear_keys
- 287. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-remote
- 288. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-query
- 289. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-gui
- 290. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-storepasswd
- 291. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-rfbauth
- 292. http://www.karlrunge.com/x11vnc/index.html#faq-passwdfile
- 293. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-usepw
- 294. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-viewpasswd
- 295. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-passwd
- 296. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-passwdfile
- 297. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-rfbauth
- 298. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-passwdfile
- 299. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-unixpw
- 300. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-unixpw_nis
- 301. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-localhost
- 302. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-stunnel
- 303. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-localhost
- 304. http://www.karlrunge.com/x11vnc/index.html#tunnelling
- 305. http://www.karlrunge.com/x11vnc/index.html#faq-ssl-tunnel
- 306. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-accept
- 307. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-forever
- 308. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-shared
- 309. http://www.karlrunge.com/x11vnc/index.html#tunnelling
- 310. http://www.karlrunge.com/x11vnc/index.html#faq-passwd
- 311. http://www.karlrunge.com/x11vnc/index.html#faq-passwdfile
- 312. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-allow
- 313. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-localhost
- 314. http://www.karlrunge.com/x11vnc/index.html#faq-tcp_wrappers
- 315. http://www.karlrunge.com/x11vnc/index.html#faq-inetd
- 316. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-listen
- 317. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-allow
- 318. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-localhost
- 319. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-allow
- 320. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-localhost
- 321. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-listen
- 322. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-allow
- 323. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-localhost
- 324. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-input
- 325. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-accept
- 326. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-viewonly
- 327. ftp://ftp.x.org/
- 328. http://www.karlrunge.com/x11vnc/dtVncPopup
- 329. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-gone
- 330. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-users
- 331. http://www.karlrunge.com/x11vnc/blockdpy.c
- 332. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-accept
- 333. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-gone
+ 74. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-rawfb
+ 75. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-24to32
+ 76. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-usepw
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+ 78. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-nosetclipboard
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+ 466. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-scrollcopyrect
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+ 468. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-wirecopyrect
+ 469. http://www.karlrunge.com/x11vnc/index.html#faq-wireframe
+ 470. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-fixscreen
+ 471. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-scr_skip
+ 472. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-scale
+ 473. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-scrollcopyrect
474. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-cursor
- 475. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-overlay
- 476. http://www.karlrunge.com/x11vnc/index.html#the-overlay-mode
- 477. http://www.karlrunge.com/x11vnc/index.html#solaris10-build
- 478. http://www.karlrunge.com/x11vnc/index.html#faq-xfixes-alpha-hacks
- 479. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-alphacut
- 480. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-alphafrac
- 481. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-alpharemove
- 482. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-nocursorshape
- 483. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-noalphablend
- 484. http://www.tightvnc.com/
- 485. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-nocursor
- 486. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-cursorpos
- 487. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-nocursorpos
- 488. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-nocursorshape
- 489. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-buttonmap
- 490. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-debug_pointer
- 491. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-buttonmap
- 492. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-modtweak
- 493. http://www.karlrunge.com/x11vnc/index.html#faq-greaterless
- 494. http://www.karlrunge.com/x11vnc/index.html#faq-xkbmodtweak
- 495. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-debug_keyboard
- 496. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-xkb
- 497. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-sloppy_keys
- 498. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-modtweak
+ 475. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-cursor
+ 476. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-overlay
+ 477. http://www.karlrunge.com/x11vnc/index.html#the-overlay-mode
+ 478. http://www.karlrunge.com/x11vnc/index.html#solaris10-build
+ 479. http://www.karlrunge.com/x11vnc/index.html#faq-xfixes-alpha-hacks
+ 480. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-alphacut
+ 481. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-alphafrac
+ 482. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-alpharemove
+ 483. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-nocursorshape
+ 484. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-noalphablend
+ 485. http://www.tightvnc.com/
+ 486. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-nocursor
+ 487. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-cursorpos
+ 488. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-nocursorpos
+ 489. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-nocursorshape
+ 490. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-buttonmap
+ 491. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-debug_pointer
+ 492. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-buttonmap
+ 493. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-modtweak
+ 494. http://www.karlrunge.com/x11vnc/index.html#faq-greaterless
+ 495. http://www.karlrunge.com/x11vnc/index.html#faq-xkbmodtweak
+ 496. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-debug_keyboard
+ 497. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-xkb
+ 498. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-sloppy_keys
499. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-modtweak
- 500. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-remap
- 501. http://www.karlrunge.com/x11vnc/index.html#faq-xkbmodtweak
- 502. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-debug_keyboard
- 503. http://www.karlrunge.com/x11vnc/index.html#faq-greaterless
- 504. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-xkb
- 505. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-sloppy_keys
- 506. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-modtweak
- 507. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-xkb
+ 500. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-modtweak
+ 501. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-remap
+ 502. http://www.karlrunge.com/x11vnc/index.html#faq-xkbmodtweak
+ 503. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-debug_keyboard
+ 504. http://www.karlrunge.com/x11vnc/index.html#faq-greaterless
+ 505. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-xkb
+ 506. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-sloppy_keys
+ 507. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-modtweak
508. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-xkb
- 509. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-skip_keycodes
- 510. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-remap
- 511. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-add_keysyms
- 512. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-remap
+ 509. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-xkb
+ 510. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-skip_keycodes
+ 511. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-remap
+ 512. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-add_keysyms
513. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-remap
- 514. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-add_keysyms
- 515. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-norepeat
+ 514. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-remap
+ 515. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-add_keysyms
516. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-norepeat
- 517. http://www.karlrunge.com/x11vnc/index.html#faq-display-manager
- 518. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-remap
+ 517. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-norepeat
+ 518. http://www.karlrunge.com/x11vnc/index.html#faq-display-manager
519. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-remap
520. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-remap
521. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-remap
- 522. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-skip_lockkeys
- 523. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-remap
- 524. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-nomodtweak
- 525. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-capslock
- 526. http://www.karlrunge.com/x11vnc/index.html#faq-scaling
- 527. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-scale
- 528. http://www.cus.cam.ac.uk/~ssb22/source/vnc-magnification.html
- 529. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-rfbport
- 530. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-gui
- 531. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-connect
- 532. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-scale_cursor
- 533. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-blackout
- 534. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-xinerama
+ 522. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-remap
+ 523. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-skip_lockkeys
+ 524. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-remap
+ 525. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-nomodtweak
+ 526. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-capslock
+ 527. http://www.karlrunge.com/x11vnc/index.html#faq-scaling
+ 528. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-scale
+ 529. http://www.cus.cam.ac.uk/~ssb22/source/vnc-magnification.html
+ 530. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-rfbport
+ 531. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-gui
+ 532. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-connect
+ 533. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-scale_cursor
+ 534. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-blackout
535. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-xinerama
- 536. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-xwarppointer
- 537. http://www.karlrunge.com/x11vnc/index.html#faq-solshm
- 538. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-onetile
- 539. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-noshm
- 540. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-clip
- 541. http://www.karlrunge.com/x11vnc/index.html#faq-xinerama
- 542. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-id
+ 536. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-xinerama
+ 537. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-xwarppointer
+ 538. http://www.karlrunge.com/x11vnc/index.html#faq-solshm
+ 539. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-onetile
+ 540. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-noshm
+ 541. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-clip
+ 542. http://www.karlrunge.com/x11vnc/index.html#faq-xinerama
543. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-id
- 544. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-xrandr
- 545. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-padgeom
- 546. http://www.karlrunge.com/x11vnc/index.html#faq-linuxvc
- 547. http://www.karlrunge.com/x11vnc/index.html#faq-rawfb
- 548. http://www.karlrunge.com/x11vnc/index.html#faq-linuxvc
- 549. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-id
- 550. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-snapfb
- 551. http://www.karlrunge.com/x11vnc/index.html#faq-video
- 552. http://www.karlrunge.com/x11vnc/index.html#faq-xvfb
- 553. http://www.karlrunge.com/x11vnc/index.html#faq-video
- 554. http://www.karlrunge.com/x11vnc/index.html#faq-linuxvc
- 555. http://www.karlrunge.com/x11vnc/index.html#faq-vmware
- 556. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-rawfb
- 557. http://www.karlrunge.com/x11vnc/index.html#faq-rawfb
- 558. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-snapfb
- 559. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-24to32
- 560. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-wait
- 561. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-slow_fb
- 562. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-defer
- 563. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-freqtab
- 564. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-nosel
- 565. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-noprimary
- 566. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-seldir
- 567. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-nofilexfer
- 568. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-nobell
- 569. http://www.karlrunge.com/x11vnc/index.html#faq-sound
+ 544. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-id
+ 545. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-xrandr
+ 546. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-padgeom
+ 547. http://www.karlrunge.com/x11vnc/index.html#faq-linuxvc
+ 548. http://www.karlrunge.com/x11vnc/index.html#faq-rawfb
+ 549. http://www.karlrunge.com/x11vnc/index.html#faq-linuxvc
+ 550. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-id
+ 551. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-snapfb
+ 552. http://www.karlrunge.com/x11vnc/index.html#faq-video
+ 553. http://www.karlrunge.com/x11vnc/index.html#faq-xvfb
+ 554. http://www.karlrunge.com/x11vnc/index.html#faq-video
+ 555. http://www.karlrunge.com/x11vnc/index.html#faq-linuxvc
+ 556. http://www.karlrunge.com/x11vnc/index.html#faq-vmware
+ 557. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-rawfb
+ 558. http://www.karlrunge.com/x11vnc/index.html#faq-rawfb
+ 559. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-snapfb
+ 560. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-24to32
+ 561. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-wait
+ 562. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-slow_fb
+ 563. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-defer
+ 564. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-freqtab
+ 565. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-nosel
+ 566. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-noprimary
+ 567. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-seldir
+ 568. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-nofilexfer
+ 569. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-nobell
+ 570. http://www.karlrunge.com/x11vnc/index.html#faq-sound
=======================================================================
http://www.karlrunge.com/x11vnc/chainingssh.html:
@@ -7194,7 +7196,7 @@ x11vnc: a VNC server for real X displays
Here are all of x11vnc command line options:
% x11vnc -opts (see below for -help long descriptions)
-x11vnc: allow VNC connections to real X11 displays. 0.8.2 lastmod: 2006-06-23
+x11vnc: allow VNC connections to real X11 displays. 0.8.2 lastmod: 2006-07-04
x11vnc options:
-display disp -auth file -id windowid
@@ -7222,43 +7224,43 @@ x11vnc options:
-padgeom WxH -o logfile -flag file
-rc filename -norc -env VAR=VALUE
-h, -help -?, -opts -V, -version
- -dbg -q -bg
- -modtweak -nomodtweak -xkb
- -noxkb -capslock -skip_lockkeys
- -skip_keycodes string -sloppy_keys -skip_dups
- -noskip_dups -add_keysyms -noadd_keysyms
- -clear_mods -clear_keys -remap string
- -norepeat -repeat -nofb
- -nobell -nosel -noprimary
- -nosetprimary -noclipboard -nosetclipboard
- -seldir string -cursor [mode] -nocursor
- -arrow n -noxfixes -alphacut n
- -alphafrac fraction -alpharemove -noalphablend
- -nocursorshape -cursorpos -nocursorpos
- -xwarppointer -buttonmap string -nodragging
- -wireframe [str] -nowireframe -wirecopyrect mode
- -nowirecopyrect -debug_wireframe -scrollcopyrect mode
- -noscrollcopyrect -scr_area n -scr_skip list
- -scr_inc list -scr_keys list -scr_term list
- -scr_keyrepeat lo-hi -scr_parms string -fixscreen string
- -debug_scroll -noxrecord -grab_buster
- -nograb_buster -debug_grabs -debug_sel
- -pointer_mode n -input_skip n -speeds rd,bw,lat
- -wmdt string -debug_pointer -debug_keyboard
- -defer time -wait time -wait_ui factor
- -nowait_bog -slow_fb time -readtimeout n
- -nap -nonap -sb time
- -nofbpm -fbpm -noxdamage
- -xd_area A -xd_mem f -sigpipe string
- -threads -nothreads -fs f
- -gaps n -grow n -fuzz n
- -debug_tiles -snapfb -rawfb string
- -freqtab file -pipeinput cmd -gui [gui-opts]
- -remote command -query variable -QD variable
- -sync -noremote -yesremote
- -unsafe -safer -privremote
- -nocmds -allowedcmds list -deny_all
-
+ -license -dbg -q
+ -bg -modtweak -nomodtweak
+ -xkb -noxkb -capslock
+ -skip_lockkeys -skip_keycodes string -sloppy_keys
+ -skip_dups -noskip_dups -add_keysyms
+ -noadd_keysyms -clear_mods -clear_keys
+ -remap string -norepeat -repeat
+ -nofb -nobell -nosel
+ -noprimary -nosetprimary -noclipboard
+ -nosetclipboard -seldir string -cursor [mode]
+ -nocursor -arrow n -noxfixes
+ -alphacut n -alphafrac fraction -alpharemove
+ -noalphablend -nocursorshape -cursorpos
+ -nocursorpos -xwarppointer -buttonmap string
+ -nodragging -wireframe [str] -nowireframe
+ -wirecopyrect mode -nowirecopyrect -debug_wireframe
+ -scrollcopyrect mode -noscrollcopyrect -scr_area n
+ -scr_skip list -scr_inc list -scr_keys list
+ -scr_term list -scr_keyrepeat lo-hi -scr_parms string
+ -fixscreen string -debug_scroll -noxrecord
+ -grab_buster -nograb_buster -debug_grabs
+ -debug_sel -pointer_mode n -input_skip n
+ -speeds rd,bw,lat -wmdt string -debug_pointer
+ -debug_keyboard -defer time -wait time
+ -wait_ui factor -nowait_bog -slow_fb time
+ -readtimeout n -nap -nonap
+ -sb time -nofbpm -fbpm
+ -noxdamage -xd_area A -xd_mem f
+ -sigpipe string -threads -nothreads
+ -fs f -gaps n -grow n
+ -fuzz n -debug_tiles -snapfb
+ -rawfb string -freqtab file -pipeinput cmd
+ -gui [gui-opts] -remote command -query variable
+ -QD variable -sync -noremote
+ -yesremote -unsafe -safer
+ -privremote -nocmds -allowedcmds list
+ -deny_all
libvncserver options:
-rfbport port TCP port for RFB protocol
@@ -7292,7 +7294,7 @@ libvncserver-tight-extension options:
% x11vnc -help
-x11vnc: allow VNC connections to real X11 displays. 0.8.2 lastmod: 2006-06-23
+x11vnc: allow VNC connections to real X11 displays. 0.8.2 lastmod: 2006-07-04
(type "x11vnc -opts" to just list the options.)
@@ -7323,7 +7325,7 @@ through an encrypted channel such as ssh(1). In brief:
vncviewer -encodings 'copyrect tight zrle hextile' localhost:0
-Also, use of a VNC password (-rfbauth or -passwdfile) is strongly recommend.
+Also, use of a VNC password (-rfbauth or -passwdfile) is strongly recommended.
For additional info see: http://www.karlrunge.com/x11vnc/
and http://www.karlrunge.com/x11vnc/#faq
@@ -7476,11 +7478,11 @@ Options:
This enables a scheme were XGetImage() is not used
to retrieve the 8bpp data. Instead, it assumes that
the 8bpp data is in bits 25-32 of the 32bit X pixels.
- There is no reason the X server should put the data
- there for our poll requests, but some do and so the
- extra steps to retrieve it can be skipped. Tested with
- mga driver with XFree86/Xorg. For the default depth
- 8 case this option is ignored.
+ There is no requirement that the X server should put
+ the data there for our poll requests, but some do and
+ so the extra steps to retrieve it can be skipped.
+ Tested with mga driver with XFree86/Xorg. For the
+ default depth 8 case this option is ignored.
To adjust how often XGetImage() is used to poll the
non-default visual regions for changes, use the option
@@ -7589,6 +7591,11 @@ Options:
change the global or per-client viewonly state the
filetransfer permissions will NOT change.
+ Note, to *enable* UltraVNC filetransfer (currently
+ disabled by default, this may change...) and to get it
+ to work you probably need to supply these libvncserver
+ options: "-rfbversion 3.6 -permitfiletransfer"
+
-http Instead of using -httpdir (see below) to specify
where the Java vncviewer applet is, have x11vnc try
to *guess* where the directory is by looking relative
@@ -7632,7 +7639,7 @@ Options:
file containing addresses or prefixes that is re-read
each time a new client connects. Lines can be commented
out with the "#" character in the usual way.
--localhost Same as "-allow 127.0.0.1".
+-localhost Basically the same as "-allow 127.0.0.1".
Note: if you want to restrict which network interface
x11vnc listens on, see the -listen option below.
@@ -7640,11 +7647,11 @@ Options:
As a special case, the option "-localhost" implies
"-listen localhost".
- For non-localhost -listen usage, if you use the remote
- control mechanism (-R) to change the -listen interface
- you may need to manually adjust the -allow list (and
- vice versa) to avoid situations where no connections
- (or too many) are allowed.
+ A rare case, but for non-localhost -listen usage, if
+ you use the remote control mechanism (-R) to change
+ the -listen interface you may need to manually adjust
+ the -allow list (and vice versa) to avoid situations
+ where no connections (or too many) are allowed.
-nolookup Do not use gethostbyname() or gethostbyaddr() to look up
host names or IP numbers. Use this if name resolution
@@ -7695,7 +7702,7 @@ Options:
limiting the readability of the file. In general,
the password file should not be readable by untrusted
users (BTW: neither should the VNC -rfbauth file:
- it is NOT encrypted).
+ it is NOT encrypted, only obscured).
If the filename is prefixed with "read:" it will
periodically be checked for changes and reread.
@@ -7823,7 +7830,7 @@ Options:
per-user options after a ":", e.g. "fred:opts"
where "opts" is a "+" separated list of
"viewonly", "fullaccess", "input=XXXX", or
- "deny", e.g. "karl,fred:viewonly,boss:input=M".
+ "deny", e.g. "karl,wally:viewonly,boss:input=M".
For "input=" it is the K,M,B,C described under -input.
If a user in the list is "*" that means those
@@ -7848,8 +7855,10 @@ Options:
(e.g. "ypcat passwd"). NIS is not required for this
mode to work (only that getpwnam(3) return the encrypted
password is required), but it is unlikely it will work
- for any other modern environment. All of the -unixpw
- options and contraints apply.
+ for any other modern environment unless x11vnc is run
+ as root (which, btw, is often done when running x11vnc
+ from inetd and xdm/gdm/kdm). All of the -unixpw options
+ and contraints apply.
-display_WAIT :... A special usage mode for the normal -display option.
Useful with -unixpw, but can be used independently
@@ -7876,17 +7885,17 @@ Options:
of the form XAUTHORITY=<file> or raw xauthority data for
the display (e.g. "xauth extract - $DISPLAY" output).
- In the case of -unixpw, then the above command is run
- as the user who just authenticated via the login and
- password prompt.
+ In the case of -unixpw (but not -unixpw_nis), then the
+ above command is run as the user who just authenticated
+ via the login and password prompt.
Also in the case of -unixpw, the user logging in can
place a colon at the end of his username and supply
- a few options: scale=, scale_cursor=, solid, id=,
- clear_mods, clear_keys, repeat, or speeds= separated
- by commas if there is more than one. After the user
- logs in successfully, these options will be applied to
- the VNC screen. For example,
+ a few options: scale=, scale_cursor= (or sc=), solid,
+ id=, clear_mods (or cm), clear_keys (or ck), repeat, or
+ speeds= separated by commas if there is more than one.
+ After the user logs in successfully, these options will
+ be applied to the VNC screen. For example,
login: fred:scale=3/4,repeat
Password: ...
@@ -7909,17 +7918,17 @@ Options:
A nice way to use WAIT:cmd=... is out of inetd(8)
(it automatically forks a new x11vnc for each user).
You can have the x11vnc inetd spawned process run as,
- say, root or nobody. When run as root (for either
- inetd or display manager), you can also supply the
- option "-users unixpw=" to have the x11vnc process
- switch to the user as well. Note: there will be a 2nd
- SSL helper process that will not switch, but it is only
- encoding and decoding the stream at that point.
-
- As a special case, WAIT:cmd=FINDDISPLAY will run
- a script that works on most Unixes to determine a
- user's DISPLAY variable and xauthority data. To have
- this default script printed to stdout (e.g. for
+ say, root or nobody. When run as root (for either inetd
+ or display manager), you can also supply the option
+ "-users unixpw=" to have the x11vnc process switch to
+ the user as well. Note: there will be a 2nd SSL helper
+ process that will not switch, but it is only encoding
+ and decoding the encrypted stream at that point.
+
+ As a special case, WAIT:cmd=FINDDISPLAY will run a
+ script that works on most Unixes to determine a user's
+ DISPLAY variable and xauthority data (see who(1)).
+ To have this default script printed to stdout (e.g. for
customization) run with WAIT:cmd=FINDDISPLAY-print
As another special case, WAIT:cmd=HTTPONCE will allow
@@ -8495,6 +8504,15 @@ Options:
use "popup:N" to modify the timeout to N seconds
(use 0 for no timeout).
+ In the case of "popup" and when the -unixpw option
+ is specified, then a *second* window will be popped
+ up after the user successfully logs in via his UNIX
+ password. This time the user will be identified as
+ UNIX:username@hostname, the "UNIX:" prefix indicates
+ which user the viewer logged as via -unixpw. The first
+ popup is only for whether to allow him to even *try*
+ to login via unix password.
+
If "string" is "xmessage" then an xmessage(1)
invocation is used for the command. xmessage must be
installed on the machine for this to work.
@@ -8722,6 +8740,8 @@ Options:
-h, -help Print this help text.
-?, -opts Only list the x11vnc options.
-V, -version Print program version and last modification date.
+-license Print out license information. Same as -copying and
+ -warranty.
-dbg Instead of exiting after cleaning up, run a simple
"debug crash shell" when fatal errors are trapped.
diff --git a/x11vnc/connections.c b/x11vnc/connections.c
index 3492059..ac9d40c 100644
--- a/x11vnc/connections.c
+++ b/x11vnc/connections.c
@@ -48,6 +48,7 @@ void start_client_info_sock(char *host_port_cookie);
void send_client_info(char *str);
void adjust_grabs(int grab, int quiet);
void check_new_clients(void);
+int accept_client(rfbClientPtr client);
static rfbClientPtr *client_match(char *str);
@@ -58,7 +59,6 @@ static void ugly_geom(char *p, int *x, int *y);
static int ugly_window(char *addr, char *userhost, int X, int Y,
int timeout, char *mode, int accept);
static int action_match(char *action, int rc);
-static int accept_client(rfbClientPtr client);
static void check_connect_file(char *file);
static void send_client_connect(void);
@@ -133,7 +133,11 @@ char *list_clients(void) {
char *s = ident_username(cl);
if (s) free(s);
}
- strcat(list, cd->username);
+ if (strstr(cd->username, "UNIX:") == cd->username) {
+ strcat(list, cd->username + strlen("UNIX:"));
+ } else {
+ strcat(list, cd->username);
+ }
strcat(list, ":");
if (cd->unixname[0] == '\0') {
strcat(list, "none");
@@ -996,7 +1000,15 @@ static unsigned char t2x2_bits[] = {
XFlush_wr(dpy);
if (accept) {
- snprintf(strh, 100, "x11vnc: accept connection from %s?", addr);
+ char *ip = addr;
+ char *type = "accept";
+ if (unixpw && strstr(userhost, "UNIX:") != userhost) {
+ type = "unixpw";
+ if (openssl_last_ip) {
+ ip = openssl_last_ip;
+ }
+ }
+ snprintf(strh, 100, "x11vnc: %s connection from %s?", type, ip);
} else {
snprintf(strh, 100, "x11vnc: client disconnected from %s", addr);
}
@@ -1282,7 +1294,7 @@ static void ugly_geom(char *p, int *x, int *y) {
* popup: use internal X widgets for prompting.
*
*/
-static int accept_client(rfbClientPtr client) {
+int accept_client(rfbClientPtr client) {
char xmessage[200], *cmd = NULL;
char *addr = client->host;
@@ -1327,6 +1339,14 @@ static int accept_client(rfbClientPtr client) {
mode = "both";
}
+ if (dpy == NULL && use_dpy && strstr(use_dpy, "WAIT:") ==
+ use_dpy) {
+ rfbLog("accept_client: warning allowing client under conditions:\n");
+ rfbLog(" -display WAIT:, dpy == NULL, -accept popup.\n");
+ rfbLog(" There will be another popup.\n");
+ return 1;
+ }
+
rfbLog("accept_client: using builtin popup for: %s\n", addr);
if ((ret = ugly_window(addr, userhost, x, y, timeout,
mode, 1))) {
@@ -1526,6 +1546,7 @@ static int do_reverse_connect(char *str) {
rfbLog("reverse connections disabled in -ssl mode.\n");
return 0;
}
+ if (unixpw_in_progress) return 0;
/* copy in to host */
host = (char *) malloc(len+1);
@@ -1579,11 +1600,15 @@ static int do_reverse_connect(char *str) {
* Break up comma separated list of hosts and call do_reverse_connect()
*/
void reverse_connect(char *str) {
- char *p, *tmp = strdup(str);
+ char *p, *tmp;
int sleep_between_host = 300;
int sleep_min = 1500, sleep_max = 4500, n_max = 5;
int n, tot, t, dt = 100, cnt = 0;
+ if (unixpw_in_progress) return;
+
+ tmp = strdup(str);
+
p = strtok(tmp, ", \t\r\n");
while (p) {
if ((n = do_reverse_connect(p)) != 0) {
@@ -1887,7 +1912,6 @@ enum rfbNewClientAction new_client(rfbClientPtr client) {
last_event = last_input = time(NULL);
-
if (inetd) {
/*
* Set this so we exit as soon as connection closes,
@@ -2010,6 +2034,12 @@ if (0) fprintf(stderr, "SET ssl_helper_pid: %d\n", openssl_last_helper_pid);
unixpw_last_try_time = time(NULL);
unixpw_screen(1);
unixpw_keystroke(0, 0, 1);
+ if (!unixpw_in_rfbPE) {
+ rfbLog("new client: %s in non-unixpw_in_rfbPE.\n",
+ client->host);
+ }
+ /* always put client on hold even if unixpw_in_rfbPE is true */
+ return(RFB_CLIENT_ON_HOLD);
}
return(RFB_CLIENT_ACCEPT);
diff --git a/x11vnc/connections.h b/x11vnc/connections.h
index 674759f..d0fbdd2 100644
--- a/x11vnc/connections.h
+++ b/x11vnc/connections.h
@@ -31,5 +31,6 @@ extern void start_client_info_sock(char *host_port_cookie);
extern void send_client_info(char *str);
extern void adjust_grabs(int grab, int quiet);
extern void check_new_clients(void);
+extern int accept_client(rfbClientPtr client);
#endif /* _X11VNC_CONNECTIONS_H */
diff --git a/x11vnc/cursor.c b/x11vnc/cursor.c
index 2c2a763..90b5fe9 100644
--- a/x11vnc/cursor.c
+++ b/x11vnc/cursor.c
@@ -30,6 +30,7 @@ int cursor_shape_updates_clients(rfbScreenInfoPtr s);
int cursor_pos_updates_clients(rfbScreenInfoPtr s);
void cursor_position(int x, int y);
void set_no_cursor(void);
+void set_warrow_cursor(void);
int set_cursor(int x, int y, int which);
int check_x11_pointer(void);
@@ -490,6 +491,7 @@ enum cursor_names {
CURS_DOT,
CURS_ARROW,
+ CURS_WARROW,
CURS_ROOT,
CURS_WM,
CURS_TERM,
@@ -657,6 +659,7 @@ static void setup_cursors(void) {
alt_arrow = 1;
curs_copy(cursors[CURS_ARROW], &cur_arrow); n++;
}
+ curs_copy(cursors[CURS_WARROW], &cur_arrow2); n++;
curs_copy(cursors[CURS_ROOT], &cur_root); n++;
curs_copy(cursors[CURS_WM], &cur_fleur); n++;
@@ -1744,6 +1747,10 @@ void set_no_cursor(void) {
set_rfb_cursor(CURS_EMPTY);
}
+void set_warrow_cursor(void) {
+ set_rfb_cursor(CURS_WARROW);
+}
+
int set_cursor(int x, int y, int which) {
static int last = -1;
int changed_cursor = 0;
diff --git a/x11vnc/cursor.h b/x11vnc/cursor.h
index 6b5f646..193aa23 100644
--- a/x11vnc/cursor.h
+++ b/x11vnc/cursor.h
@@ -27,6 +27,7 @@ extern int cursor_shape_updates_clients(rfbScreenInfoPtr s);
extern int cursor_pos_updates_clients(rfbScreenInfoPtr s);
extern void cursor_position(int x, int y);
extern void set_no_cursor(void);
+extern void set_warrow_cursor(void);
extern int set_cursor(int x, int y, int which);
extern int check_x11_pointer(void);
diff --git a/x11vnc/help.c b/x11vnc/help.c
index 5d8eb61..241e37c 100644
--- a/x11vnc/help.c
+++ b/x11vnc/help.c
@@ -9,6 +9,7 @@
*/
void print_help(int mode);
+void print_license(void);
void xopen_display_fail_message(char *disp);
void nopassword_warning_msg(int gotloc);
@@ -48,7 +49,7 @@ void print_help(int mode) {
"\n"
" vncviewer -encodings 'copyrect tight zrle hextile' localhost:0\n"
"\n"
-"Also, use of a VNC password (-rfbauth or -passwdfile) is strongly recommend.\n"
+"Also, use of a VNC password (-rfbauth or -passwdfile) is strongly recommended.\n"
"\n"
"For additional info see: http://www.karlrunge.com/x11vnc/\n"
" and http://www.karlrunge.com/x11vnc/#faq\n"
@@ -201,11 +202,11 @@ void print_help(int mode) {
" This enables a scheme were XGetImage() is not used\n"
" to retrieve the 8bpp data. Instead, it assumes that\n"
" the 8bpp data is in bits 25-32 of the 32bit X pixels.\n"
-" There is no reason the X server should put the data\n"
-" there for our poll requests, but some do and so the\n"
-" extra steps to retrieve it can be skipped. Tested with\n"
-" mga driver with XFree86/Xorg. For the default depth\n"
-" 8 case this option is ignored.\n"
+" There is no requirement that the X server should put\n"
+" the data there for our poll requests, but some do and\n"
+" so the extra steps to retrieve it can be skipped.\n"
+" Tested with mga driver with XFree86/Xorg. For the\n"
+" default depth 8 case this option is ignored.\n"
"\n"
" To adjust how often XGetImage() is used to poll the\n"
" non-default visual regions for changes, use the option\n"
@@ -314,6 +315,11 @@ void print_help(int mode) {
" change the global or per-client viewonly state the\n"
" filetransfer permissions will NOT change.\n"
"\n"
+" Note, to *enable* UltraVNC filetransfer (currently\n"
+" disabled by default, this may change...) and to get it\n"
+" to work you probably need to supply these libvncserver\n"
+" options: \"-rfbversion 3.6 -permitfiletransfer\"\n"
+"\n"
"-http Instead of using -httpdir (see below) to specify\n"
" where the Java vncviewer applet is, have x11vnc try\n"
" to *guess* where the directory is by looking relative\n"
@@ -357,7 +363,7 @@ void print_help(int mode) {
" file containing addresses or prefixes that is re-read\n"
" each time a new client connects. Lines can be commented\n"
" out with the \"#\" character in the usual way.\n"
-"-localhost Same as \"-allow 127.0.0.1\".\n"
+"-localhost Basically the same as \"-allow 127.0.0.1\".\n"
"\n"
" Note: if you want to restrict which network interface\n"
" x11vnc listens on, see the -listen option below.\n"
@@ -365,11 +371,11 @@ void print_help(int mode) {
" As a special case, the option \"-localhost\" implies\n"
" \"-listen localhost\".\n"
"\n"
-" For non-localhost -listen usage, if you use the remote\n"
-" control mechanism (-R) to change the -listen interface\n"
-" you may need to manually adjust the -allow list (and\n"
-" vice versa) to avoid situations where no connections\n"
-" (or too many) are allowed.\n"
+" A rare case, but for non-localhost -listen usage, if\n"
+" you use the remote control mechanism (-R) to change\n"
+" the -listen interface you may need to manually adjust\n"
+" the -allow list (and vice versa) to avoid situations\n"
+" where no connections (or too many) are allowed.\n"
"\n"
"-nolookup Do not use gethostbyname() or gethostbyaddr() to look up\n"
" host names or IP numbers. Use this if name resolution\n"
@@ -420,7 +426,7 @@ void print_help(int mode) {
" limiting the readability of the file. In general,\n"
" the password file should not be readable by untrusted\n"
" users (BTW: neither should the VNC -rfbauth file:\n"
-" it is NOT encrypted).\n"
+" it is NOT encrypted, only obscured).\n"
"\n"
" If the filename is prefixed with \"read:\" it will\n"
" periodically be checked for changes and reread.\n"
@@ -549,7 +555,7 @@ void print_help(int mode) {
" per-user options after a \":\", e.g. \"fred:opts\"\n"
" where \"opts\" is a \"+\" separated list of\n"
" \"viewonly\", \"fullaccess\", \"input=XXXX\", or\n"
-" \"deny\", e.g. \"karl,fred:viewonly,boss:input=M\".\n"
+" \"deny\", e.g. \"karl,wally:viewonly,boss:input=M\".\n"
" For \"input=\" it is the K,M,B,C described under -input.\n"
"\n"
" If a user in the list is \"*\" that means those\n"
@@ -574,8 +580,10 @@ void print_help(int mode) {
" (e.g. \"ypcat passwd\"). NIS is not required for this\n"
" mode to work (only that getpwnam(3) return the encrypted\n"
" password is required), but it is unlikely it will work\n"
-" for any other modern environment. All of the -unixpw\n"
-" options and contraints apply.\n"
+" for any other modern environment unless x11vnc is run\n"
+" as root (which, btw, is often done when running x11vnc\n"
+" from inetd and xdm/gdm/kdm). All of the -unixpw options\n"
+" and contraints apply.\n"
"\n"
"-display WAIT:... A special usage mode for the normal -display option.\n"
" Useful with -unixpw, but can be used independently\n"
@@ -602,17 +610,17 @@ void print_help(int mode) {
" of the form XAUTHORITY=<file> or raw xauthority data for\n"
" the display (e.g. \"xauth extract - $DISPLAY\" output).\n"
"\n"
-" In the case of -unixpw, then the above command is run\n"
-" as the user who just authenticated via the login and\n"
-" password prompt.\n"
+" In the case of -unixpw (but not -unixpw_nis), then the\n"
+" above command is run as the user who just authenticated\n"
+" via the login and password prompt.\n"
"\n"
" Also in the case of -unixpw, the user logging in can\n"
" place a colon at the end of his username and supply\n"
-" a few options: scale=, scale_cursor=, solid, id=,\n"
-" clear_mods, clear_keys, repeat, or speeds= separated\n"
-" by commas if there is more than one. After the user\n"
-" logs in successfully, these options will be applied to\n"
-" the VNC screen. For example,\n"
+" a few options: scale=, scale_cursor= (or sc=), solid,\n"
+" id=, clear_mods (or cm), clear_keys (or ck), repeat, or\n"
+" speeds= separated by commas if there is more than one.\n"
+" After the user logs in successfully, these options will\n"
+" be applied to the VNC screen. For example,\n"
"\n"
" login: fred:scale=3/4,repeat\n"
" Password: ...\n"
@@ -635,17 +643,17 @@ void print_help(int mode) {
" A nice way to use WAIT:cmd=... is out of inetd(8)\n"
" (it automatically forks a new x11vnc for each user).\n"
" You can have the x11vnc inetd spawned process run as,\n"
-" say, root or nobody. When run as root (for either\n"
-" inetd or display manager), you can also supply the\n"
-" option \"-users unixpw=\" to have the x11vnc process\n"
-" switch to the user as well. Note: there will be a 2nd\n"
-" SSL helper process that will not switch, but it is only\n"
-" encoding and decoding the stream at that point.\n"
-"\n"
-" As a special case, WAIT:cmd=FINDDISPLAY will run\n"
-" a script that works on most Unixes to determine a\n"
-" user's DISPLAY variable and xauthority data. To have\n"
-" this default script printed to stdout (e.g. for\n"
+" say, root or nobody. When run as root (for either inetd\n"
+" or display manager), you can also supply the option\n"
+" \"-users unixpw=\" to have the x11vnc process switch to\n"
+" the user as well. Note: there will be a 2nd SSL helper\n"
+" process that will not switch, but it is only encoding\n"
+" and decoding the encrypted stream at that point.\n"
+"\n"
+" As a special case, WAIT:cmd=FINDDISPLAY will run a\n"
+" script that works on most Unixes to determine a user's\n"
+" DISPLAY variable and xauthority data (see who(1)).\n"
+" To have this default script printed to stdout (e.g. for\n"
" customization) run with WAIT:cmd=FINDDISPLAY-print\n"
"\n"
" As another special case, WAIT:cmd=HTTPONCE will allow\n"
@@ -1223,6 +1231,15 @@ void print_help(int mode) {
" use \"popup:N\" to modify the timeout to N seconds\n"
" (use 0 for no timeout).\n"
"\n"
+" In the case of \"popup\" and when the -unixpw option\n"
+" is specified, then a *second* window will be popped\n"
+" up after the user successfully logs in via his UNIX\n"
+" password. This time the user will be identified as\n"
+" UNIX:username@hostname, the \"UNIX:\" prefix indicates\n"
+" which user the viewer logged as via -unixpw. The first\n"
+" popup is only for whether to allow him to even *try*\n"
+" to login via unix password.\n"
+"\n"
" If \"string\" is \"xmessage\" then an xmessage(1)\n"
" invocation is used for the command. xmessage must be\n"
" installed on the machine for this to work.\n"
@@ -1450,6 +1467,8 @@ void print_help(int mode) {
"-h, -help Print this help text.\n"
"-?, -opts Only list the x11vnc options.\n"
"-V, -version Print program version and last modification date.\n"
+"-license Print out license information. Same as -copying and\n"
+" -warranty.\n"
"\n"
"-dbg Instead of exiting after cleaning up, run a simple\n"
" \"debug crash shell\" when fatal errors are trapped.\n"
@@ -3393,4 +3412,363 @@ void nopassword_warning_msg(int gotloc) {
#endif
}
+void print_license(void) {
+#if !SKIP_HELP
+ char license[] =
+" GNU GENERAL PUBLIC LICENSE\n"
+" Version 2, June 1991\n"
+"\n"
+" Copyright (C) 1989, 1991 Free Software Foundation, Inc.\n"
+" 59 Temple Place - Suite 330, Boston, MA\n"
+" 02111-1307, USA.\n"
+" Everyone is permitted to copy and distribute verbatim copies\n"
+" of this license document, but changing it is not allowed.\n"
+"\n"
+" Preamble\n"
+"\n"
+" The licenses for most software are designed to take away your\n"
+"freedom to share and change it. By contrast, the GNU General Public\n"
+"License is intended to guarantee your freedom to share and change free\n"
+"software--to make sure the software is free for all its users. This\n"
+"General Public License applies to most of the Free Software\n"
+"Foundation's software and to any other program whose authors commit to\n"
+"using it. (Some other Free Software Foundation software is covered by\n"
+"the GNU Library General Public License instead.) You can apply it to\n"
+"your programs, too.\n"
+"\n"
+" When we speak of free software, we are referring to freedom, not\n"
+"price. Our General Public Licenses are designed to make sure that you\n"
+"have the freedom to distribute copies of free software (and charge for\n"
+"this service if you wish), that you receive source code or can get it\n"
+"if you want it, that you can change the software or use pieces of it\n"
+"in new free programs; and that you know you can do these things.\n"
+"\n"
+" To protect your rights, we need to make restrictions that forbid\n"
+"anyone to deny you these rights or to ask you to surrender the rights.\n"
+"These restrictions translate to certain responsibilities for you if you\n"
+"distribute copies of the software, or if you modify it.\n"
+"\n"
+" For example, if you distribute copies of such a program, whether\n"
+"gratis or for a fee, you must give the recipients all the rights that\n"
+"you have. You must make sure that they, too, receive or can get the\n"
+"source code. And you must show them these terms so they know their\n"
+"rights.\n"
+"\n"
+" We protect your rights with two steps: (1) copyright the software, and\n"
+"(2) offer you this license which gives you legal permission to copy,\n"
+"distribute and/or modify the software.\n"
+"\n"
+" Also, for each author's protection and ours, we want to make certain\n"
+"that everyone understands that there is no warranty for this free\n"
+"software. If the software is modified by someone else and passed on, we\n"
+"want its recipients to know that what they have is not the original, so\n"
+"that any problems introduced by others will not reflect on the original\n"
+"authors' reputations.\n"
+"\n"
+" Finally, any free program is threatened constantly by software\n"
+"patents. We wish to avoid the danger that redistributors of a free\n"
+"program will individually obtain patent licenses, in effect making the\n"
+"program proprietary. To prevent this, we have made it clear that any\n"
+"patent must be licensed for everyone's free use or not licensed at all.\n"
+"\n"
+" The precise terms and conditions for copying, distribution and\n"
+"modification follow.\n"
+" \n"
+" GNU GENERAL PUBLIC LICENSE\n"
+" TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION\n"
+"\n"
+" 0. This License applies to any program or other work which contains\n"
+"a notice placed by the copyright holder saying it may be distributed\n"
+"under the terms of this General Public License. The \"Program\", below,\n"
+"refers to any such program or work, and a \"work based on the Program\"\n"
+"means either the Program or any derivative work under copyright law:\n"
+"that is to say, a work containing the Program or a portion of it,\n"
+"either verbatim or with modifications and/or translated into another\n"
+"language. (Hereinafter, translation is included without limitation in\n"
+"the term \"modification\".) Each licensee is addressed as \"you\".\n"
+"\n"
+"Activities other than copying, distribution and modification are not\n"
+"covered by this License; they are outside its scope. The act of\n"
+"running the Program is not restricted, and the output from the Program\n"
+"is covered only if its contents constitute a work based on the\n"
+"Program (independent of having been made by running the Program).\n"
+"Whether that is true depends on what the Program does.\n"
+"\n"
+" 1. You may copy and distribute verbatim copies of the Program's\n"
+"source code as you receive it, in any medium, provided that you\n"
+"conspicuously and appropriately publish on each copy an appropriate\n"
+"copyright notice and disclaimer of warranty; keep intact all the\n"
+"notices that refer to this License and to the absence of any warranty;\n"
+"and give any other recipients of the Program a copy of this License\n"
+"along with the Program.\n"
+"\n"
+"You may charge a fee for the physical act of transferring a copy, and\n"
+"you may at your option offer warranty protection in exchange for a fee.\n"
+"\n"
+" 2. You may modify your copy or copies of the Program or any portion\n"
+"of it, thus forming a work based on the Program, and copy and\n"
+"distribute such modifications or work under the terms of Section 1\n"
+"above, provided that you also meet all of these conditions:\n"
+"\n"
+" a) You must cause the modified files to carry prominent notices\n"
+" stating that you changed the files and the date of any change.\n"
+"\n"
+" b) You must cause any work that you distribute or publish, that in\n"
+" whole or in part contains or is derived from the Program or any\n"
+" part thereof, to be licensed as a whole at no charge to all third\n"
+" parties under the terms of this License.\n"
+"\n"
+" c) If the modified program normally reads commands interactively\n"
+" when run, you must cause it, when started running for such\n"
+" interactive use in the most ordinary way, to print or display an\n"
+" announcement including an appropriate copyright notice and a\n"
+" notice that there is no warranty (or else, saying that you provide\n"
+" a warranty) and that users may redistribute the program under\n"
+" these conditions, and telling the user how to view a copy of this\n"
+" License. (Exception: if the Program itself is interactive but\n"
+" does not normally print such an announcement, your work based on\n"
+" the Program is not required to print an announcement.)\n"
+" \n"
+"These requirements apply to the modified work as a whole. If\n"
+"identifiable sections of that work are not derived from the Program,\n"
+"and can be reasonably considered independent and separate works in\n"
+"themselves, then this License, and its terms, do not apply to those\n"
+"sections when you distribute them as separate works. But when you\n"
+"distribute the same sections as part of a whole which is a work based\n"
+"on the Program, the distribution of the whole must be on the terms of\n"
+"this License, whose permissions for other licensees extend to the\n"
+"entire whole, and thus to each and every part regardless of who wrote it.\n"
+"\n"
+"Thus, it is not the intent of this section to claim rights or contest\n"
+"your rights to work written entirely by you; rather, the intent is to\n"
+"exercise the right to control the distribution of derivative or\n"
+"collective works based on the Program.\n"
+"\n"
+"In addition, mere aggregation of another work not based on the Program\n"
+"with the Program (or with a work based on the Program) on a volume of\n"
+"a storage or distribution medium does not bring the other work under\n"
+"the scope of this License.\n"
+"\n"
+" 3. You may copy and distribute the Program (or a work based on it,\n"
+"under Section 2) in object code or executable form under the terms of\n"
+"Sections 1 and 2 above provided that you also do one of the following:\n"
+"\n"
+" a) Accompany it with the complete corresponding machine-readable\n"
+" source code, which must be distributed under the terms of Sections\n"
+" 1 and 2 above on a medium customarily used for software interchange; or,\n"
+"\n"
+" b) Accompany it with a written offer, valid for at least three\n"
+" years, to give any third party, for a charge no more than your\n"
+" cost of physically performing source distribution, a complete\n"
+" machine-readable copy of the corresponding source code, to be\n"
+" distributed under the terms of Sections 1 and 2 above on a medium\n"
+" customarily used for software interchange; or,\n"
+"\n"
+" c) Accompany it with the information you received as to the offer\n"
+" to distribute corresponding source code. (This alternative is\n"
+" allowed only for noncommercial distribution and only if you\n"
+" received the program in object code or executable form with such\n"
+" an offer, in accord with Subsection b above.)\n"
+"\n"
+"The source code for a work means the preferred form of the work for\n"
+"making modifications to it. For an executable work, complete source\n"
+"code means all the source code for all modules it contains, plus any\n"
+"associated interface definition files, plus the scripts used to\n"
+"control compilation and installation of the executable. However, as a\n"
+"special exception, the source code distributed need not include\n"
+"anything that is normally distributed (in either source or binary\n"
+"form) with the major components (compiler, kernel, and so on) of the\n"
+"operating system on which the executable runs, unless that component\n"
+"itself accompanies the executable.\n"
+"\n"
+"If distribution of executable or object code is made by offering\n"
+"access to copy from a designated place, then offering equivalent\n"
+"access to copy the source code from the same place counts as\n"
+"distribution of the source code, even though third parties are not\n"
+"compelled to copy the source along with the object code.\n"
+" \n"
+" 4. You may not copy, modify, sublicense, or distribute the Program\n"
+"except as expressly provided under this License. Any attempt\n"
+"otherwise to copy, modify, sublicense or distribute the Program is\n"
+"void, and will automatically terminate your rights under this License.\n"
+"However, parties who have received copies, or rights, from you under\n"
+"this License will not have their licenses terminated so long as such\n"
+"parties remain in full compliance.\n"
+"\n"
+" 5. You are not required to accept this License, since you have not\n"
+"signed it. However, nothing else grants you permission to modify or\n"
+"distribute the Program or its derivative works. These actions are\n"
+"prohibited by law if you do not accept this License. Therefore, by\n"
+"modifying or distributing the Program (or any work based on the\n"
+"Program), you indicate your acceptance of this License to do so, and\n"
+"all its terms and conditions for copying, distributing or modifying\n"
+"the Program or works based on it.\n"
+"\n"
+" 6. Each time you redistribute the Program (or any work based on the\n"
+"Program), the recipient automatically receives a license from the\n"
+"original licensor to copy, distribute or modify the Program subject to\n"
+"these terms and conditions. You may not impose any further\n"
+"restrictions on the recipients' exercise of the rights granted herein.\n"
+"You are not responsible for enforcing compliance by third parties to\n"
+"this License.\n"
+"\n"
+" 7. If, as a consequence of a court judgment or allegation of patent\n"
+"infringement or for any other reason (not limited to patent issues),\n"
+"conditions are imposed on you (whether by court order, agreement or\n"
+"otherwise) that contradict the conditions of this License, they do not\n"
+"excuse you from the conditions of this License. If you cannot\n"
+"distribute so as to satisfy simultaneously your obligations under this\n"
+"License and any other pertinent obligations, then as a consequence you\n"
+"may not distribute the Program at all. For example, if a patent\n"
+"license would not permit royalty-free redistribution of the Program by\n"
+"all those who receive copies directly or indirectly through you, then\n"
+"the only way you could satisfy both it and this License would be to\n"
+"refrain entirely from distribution of the Program.\n"
+"\n"
+"If any portion of this section is held invalid or unenforceable under\n"
+"any particular circumstance, the balance of the section is intended to\n"
+"apply and the section as a whole is intended to apply in other\n"
+"circumstances.\n"
+"\n"
+"It is not the purpose of this section to induce you to infringe any\n"
+"patents or other property right claims or to contest validity of any\n"
+"such claims; this section has the sole purpose of protecting the\n"
+"integrity of the free software distribution system, which is\n"
+"implemented by public license practices. Many people have made\n"
+"generous contributions to the wide range of software distributed\n"
+"through that system in reliance on consistent application of that\n"
+"system; it is up to the author/donor to decide if he or she is willing\n"
+"to distribute software through any other system and a licensee cannot\n"
+"impose that choice.\n"
+"\n"
+"This section is intended to make thoroughly clear what is believed to\n"
+"be a consequence of the rest of this License.\n"
+" \n"
+" 8. If the distribution and/or use of the Program is restricted in\n"
+"certain countries either by patents or by copyrighted interfaces, the\n"
+"original copyright holder who places the Program under this License\n"
+"may add an explicit geographical distribution limitation excluding\n"
+"those countries, so that distribution is permitted only in or among\n"
+"countries not thus excluded. In such case, this License incorporates\n"
+"the limitation as if written in the body of this License.\n"
+"\n"
+" 9. The Free Software Foundation may publish revised and/or new versions\n"
+"of the General Public License from time to time. Such new versions will\n"
+"be similar in spirit to the present version, but may differ in detail to\n"
+"address new problems or concerns.\n"
+"\n"
+"Each version is given a distinguishing version number. If the Program\n"
+"specifies a version number of this License which applies to it and \"any\n"
+"later version\", you have the option of following the terms and conditions\n"
+"either of that version or of any later version published by the Free\n"
+"Software Foundation. If the Program does not specify a version number of\n"
+"this License, you may choose any version ever published by the Free Software\n"
+"Foundation.\n"
+"\n"
+" 10. If you wish to incorporate parts of the Program into other free\n"
+"programs whose distribution conditions are different, write to the author\n"
+"to ask for permission. For software which is copyrighted by the Free\n"
+"Software Foundation, write to the Free Software Foundation; we sometimes\n"
+"make exceptions for this. Our decision will be guided by the two goals\n"
+"of preserving the free status of all derivatives of our free software and\n"
+"of promoting the sharing and reuse of software generally.\n"
+"\n"
+" NO WARRANTY\n"
+"\n"
+" 11. BECAUSE THE PROGRAM IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY\n"
+"FOR THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE LAW. EXCEPT WHEN\n"
+"OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES\n"
+"PROVIDE THE PROGRAM \"AS IS\" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED\n"
+"OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF\n"
+"MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE ENTIRE RISK AS\n"
+"TO THE QUALITY AND PERFORMANCE OF THE PROGRAM IS WITH YOU. SHOULD THE\n"
+"PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY SERVICING,\n"
+"REPAIR OR CORRECTION.\n"
+"\n"
+" 12. IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING\n"
+"WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY AND/OR\n"
+"REDISTRIBUTE THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES,\n"
+"INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING\n"
+"OUT OF THE USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED\n"
+"TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY\n"
+"YOU OR THIRD PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER\n"
+"PROGRAMS), EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE\n"
+"POSSIBILITY OF SUCH DAMAGES.\n"
+"\n"
+" END OF TERMS AND CONDITIONS\n"
+" \n"
+" Appendix: How to Apply These Terms to Your New Programs\n"
+"\n"
+" If you develop a new program, and you want it to be of the greatest\n"
+"possible use to the public, the best way to achieve this is to make it\n"
+"free software which everyone can redistribute and change under these terms.\n"
+"\n"
+" To do so, attach the following notices to the program. It is safest\n"
+"to attach them to the start of each source file to most effectively\n"
+"convey the exclusion of warranty; and each file should have at least\n"
+"the \"copyright\" line and a pointer to where the full notice is found.\n"
+"\n"
+" <one line to give the program's name and a brief idea of what it does.>\n"
+" Copyright (C) 19yy <name of author>\n"
+"\n"
+" This program is free software; you can redistribute it and/or modify\n"
+" it under the terms of the GNU General Public License as published by\n"
+" the Free Software Foundation; either version 2 of the License, or\n"
+" (at your option) any later version.\n"
+"\n"
+" This program is distributed in the hope that it will be useful,\n"
+" but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
+" MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n"
+" GNU General Public License for more details.\n"
+"\n"
+" You should have received a copy of the GNU General Public License\n"
+" along with this program; if not, write to the Free Software\n"
+" Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.\n"
+"\n"
+"Also add information on how to contact you by electronic and paper mail.\n"
+"\n"
+"If the program is interactive, make it output a short notice like this\n"
+"when it starts in an interactive mode:\n"
+"\n"
+" Gnomovision version 69, Copyright (C) 19yy name of author\n"
+" Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'.\n"
+" This is free software, and you are welcome to redistribute it\n"
+" under certain conditions; type `show c' for details.\n"
+"\n"
+"The hypothetical commands `show w' and `show c' should show the appropriate\n"
+"parts of the General Public License. Of course, the commands you use may\n"
+"be called something other than `show w' and `show c'; they could even be\n"
+"mouse-clicks or menu items--whatever suits your program.\n"
+"\n"
+"You should also get your employer (if you work as a programmer) or your\n"
+"school, if any, to sign a \"copyright disclaimer\" for the program, if\n"
+"necessary. Here is a sample; alter the names:\n"
+"\n"
+" Yoyodyne, Inc., hereby disclaims all copyright interest in the program\n"
+" `Gnomovision' (which makes passes at compilers) written by James Hacker.\n"
+"\n"
+" <signature of Ty Coon>, 1 April 1989\n"
+" Ty Coon, President of Vice\n"
+"\n"
+"This General Public License does not permit incorporating your program into\n"
+"proprietary programs. If your program is a subroutine library, you may\n"
+"consider it more useful to permit linking proprietary applications with the\n"
+"library. If this is what you want to do, use the GNU Library General\n"
+"Public License instead of this License.\n"
+;
+
+ char top[] =
+"\n"
+"x11vnc: a VNC server for X displays. %s\n"
+"\n"
+"Copyright (c) 2002-2006 Karl J. Runge <runge@karlrunge.com>\n"
+"All rights reserved.\n"
+"\n"
+;
+ dup2(1, 2);
+ fprintf(stderr, top, lastmod);
+ fprintf(stderr, "%s", license);
+#endif
+ exit(1);
+}
diff --git a/x11vnc/help.h b/x11vnc/help.h
index 4c319e9..24d832a 100644
--- a/x11vnc/help.h
+++ b/x11vnc/help.h
@@ -4,6 +4,7 @@
/* -- help.h -- */
extern void print_help(int mode);
+extern void print_license(void);
extern void xopen_display_fail_message(char *disp);
extern void nopassword_warning_msg(int gotloc);
diff --git a/x11vnc/inet.c b/x11vnc/inet.c
index 852056c..3095f37 100644
--- a/x11vnc/inet.c
+++ b/x11vnc/inet.c
@@ -1,6 +1,8 @@
/* -- inet.c -- */
#include "x11vnc.h"
+#include "unixpw.h"
+#include "sslhelper.h"
/*
* Simple utility to map host name to dotted IP address. Ignores aliases.
@@ -22,7 +24,6 @@ int have_ssh_env(void);
static int get_port(int sock, int remote);
static char *get_host(int sock, int remote);
-
char *host2ip(char *host) {
struct hostent *hp;
struct sockaddr_in addr;
@@ -291,7 +292,11 @@ char *ident_username(rfbClientPtr client) {
if (!strcmp(user, "unknown-user") && cd && cd->unixname[0] != '\0') {
user = cd->unixname;
}
- newhost = ip2host(client->host);
+ if (unixpw && openssl_last_ip && strstr("UNIX:", user) != user) {
+ newhost = ip2host(openssl_last_ip);
+ } else {
+ newhost = ip2host(client->host);
+ }
len = strlen(user) + 1 + strlen(newhost) + 1;
str = (char *) malloc(len);
sprintf(str, "%s@%s", user, newhost);
diff --git a/x11vnc/pointer.c b/x11vnc/pointer.c
index 30268e7..0b7cece 100644
--- a/x11vnc/pointer.c
+++ b/x11vnc/pointer.c
@@ -617,7 +617,7 @@ void pointer(int mask, int x, int y, rfbClientPtr client) {
last_x = x;
last_y = y;
}
- if (mask >= 0 && unixpw && unixpw_in_progress) {
+ if (unixpw && unixpw_in_progress) {
return;
}
diff --git a/x11vnc/remote.c b/x11vnc/remote.c
index ae5361f..78148fd 100644
--- a/x11vnc/remote.c
+++ b/x11vnc/remote.c
@@ -23,6 +23,7 @@
#include "userinput.h"
#include "keyboard.h"
#include "selection.h"
+#include "unixpw.h"
int send_remote_cmd(char *cmd, int query, int wait);
int do_remote_query(char *remote_cmd, char *query_cmd, int remote_sync,
@@ -633,6 +634,10 @@ char *process_remote_cmd(char *cmd, int stringonly) {
rfbLog("remote commands disabled: %s\n", cmd);
return NULL;
}
+ if (unixpw_in_progress) {
+ rfbLog("skip remote command: %s unixpw_in_progress.\n", cmd);
+ return NULL;
+ }
if (!query_default && priv_remote) {
if (! remote_control_access_ok()) {
diff --git a/x11vnc/scan.c b/x11vnc/scan.c
index 4dbc47a..05e0aae 100644
--- a/x11vnc/scan.c
+++ b/x11vnc/scan.c
@@ -1294,6 +1294,8 @@ static int copy_tiles(int tx, int ty, int nt) {
char *src, *dst, *s_src, *s_dst, *m_src, *m_dst;
char *h_src, *h_dst;
+ if (unixpw_in_progress) return 0;
+
if (! first_line) {
/* allocate arrays first time in. */
int n = ntiles_x + 1;
@@ -1626,6 +1628,8 @@ static int copy_all_tiles(void) {
int x, y, n, m;
int diffs = 0, ct;
+ if (unixpw_in_progress) return 0;
+
for (y=0; y < ntiles_y; y++) {
for (x=0; x < ntiles_x; x++) {
n = x + y * ntiles_x;
@@ -1672,6 +1676,8 @@ static int copy_all_tile_runs(void) {
int in_run = 0, run = 0;
int ntave = 0, ntcnt = 0;
+ if (unixpw_in_progress) return 0;
+
for (y=0; y < ntiles_y; y++) {
for (x=0; x < ntiles_x + 1; x++) {
n = x + y * ntiles_x;
@@ -1742,6 +1748,8 @@ static int copy_tiles_backward_pass(void) {
int x, y, n, m;
int diffs = 0, ct;
+ if (unixpw_in_progress) return 0;
+
for (y = ntiles_y - 1; y >= 0; y--) {
for (x = ntiles_x - 1; x >= 0; x--) {
n = x + y * ntiles_x; /* number of this tile */
@@ -1783,6 +1791,8 @@ static int copy_tiles_additional_pass(void) {
int x, y, n;
int diffs = 0, ct;
+ if (unixpw_in_progress) return 0;
+
for (y=0; y < ntiles_y; y++) {
for (x=0; x < ntiles_x; x++) {
n = x + y * ntiles_x; /* number of this tile */
@@ -1974,6 +1984,7 @@ int copy_screen(void) {
if (! fs_factor) {
return 0;
}
+
if (unixpw_in_progress) return 0;
block_size = (dpy_x * (dpy_y/fs_factor) * pixelsize);
@@ -2686,6 +2697,9 @@ int scan_for_updates(int count_only) {
*/
old_copy_tile = 0;
}
+
+ if (unixpw_in_progress) return 0;
+
if (old_copy_tile) {
tile_diffs = copy_all_tiles();
} else {
diff --git a/x11vnc/sslhelper.c b/x11vnc/sslhelper.c
index 32df174..05f2b33 100644
--- a/x11vnc/sslhelper.c
+++ b/x11vnc/sslhelper.c
@@ -31,6 +31,7 @@ int openssl_sock = -1;
int openssl_port_num = 0;
int https_sock = -1;
pid_t openssl_last_helper_pid = 0;
+char *openssl_last_ip = NULL;
void raw_xfer(int csock, int s_in, int s_out);
@@ -1030,7 +1031,6 @@ if (db) fprintf(stderr, "waitpid(%d) 2\n", helpers[i]);
}
}
-/* AUDIT */
static int is_ssl_readable(int s_in, time_t last_https, char *last_get,
int mode) {
int nfd, db = 0;
@@ -1063,7 +1063,7 @@ static int is_ssl_readable(int s_in, time_t last_https, char *last_get,
*/
if (time(NULL) < last_https + 30) {
tv.tv_sec = 8;
- if (strstr(last_get, "VncViewer")) {
+ if (last_get && strstr(last_get, "VncViewer")) {
tv.tv_sec = 4;
}
}
@@ -1099,6 +1099,9 @@ static int watch_for_http_traffic(char *buf_a, int *n_a) {
if (getenv("ACCEPT_OPENSSL_DEBUG")) {
db = atoi(getenv("ACCEPT_OPENSSL_DEBUG"));
}
+ if (! buf_a || ! n_a) {
+ return 0;
+ }
buf = (char *) calloc((ABSIZE+1), 1);
*n_a = 0;
@@ -1137,7 +1140,9 @@ static int watch_for_http_traffic(char *buf_a, int *n_a) {
if (n2 >= 0) {
n += n2;
}
+
*n_a = n;
+
if (db) fprintf(stderr, "watch_for_http_traffic readmore: %d\n", n2);
if (n > 0) {
@@ -1180,6 +1185,7 @@ static int wait_conn(int sock) {
int proxy_hack(int vncsock, int listen, int s_in, int s_out, char *cookie,
int mode) {
+ int sock1, db = 0;
char reply[] = "HTTP/1.1 200 OK\r\n"
"Content-Type: octet-stream\r\n"
"Pragma: no-cache\r\n\r\n";
@@ -1187,7 +1193,6 @@ int proxy_hack(int vncsock, int listen, int s_in, int s_out, char *cookie,
"Content-Type: octet-stream\r\n"
"Content-Length: 9\r\n"
"Pragma: no-cache\r\n\r\nGO_AHEAD\n";
- int sock1, db = 0;
rfbLog("SSL: accept_openssl: detected https proxied connection"
" request.\n");
@@ -1208,20 +1213,24 @@ int proxy_hack(int vncsock, int listen, int s_in, int s_out, char *cookie,
} else if (mode == OPENSSL_HTTPS) {
listen = https_sock;
} else {
+ /* inetd */
return 0;
}
+
sock1 = wait_conn(listen);
if (csock_timeout_sock < 0 || sock1 < 0) {
close(sock1);
return 0;
}
+
if (db) fprintf(stderr, "got applet input sock1: %d\n", sock1);
if (! ssl_init(sock1, sock1)) {
if (db) fprintf(stderr, "ssl_init FAILED\n");
exit(1);
}
+
SSL_write(ssl, reply, strlen(reply));
{
@@ -1241,21 +1250,23 @@ if (db) fprintf(stderr, "buf: '%s'\n", buf);
}
}
- write(vncsock, cookie, strlen(cookie));
+ if (cookie) {
+ write(vncsock, cookie, strlen(cookie));
+ }
ssl_xfer(vncsock, sock1, sock1, 0);
return 1;
}
void accept_openssl(int mode) {
- int sock = -1, cport, csock, vsock, listen = -1;
+ int sock = -1, listen = -1, cport, csock, vsock;
int status, n, i, db = 0;
struct sockaddr_in addr;
socklen_t addrlen = sizeof(addr);
- char cookie[128], rcookie[128], *name;
rfbClientPtr client;
pid_t pid;
char uniq[] = "__evilrats__";
+ char cookie[128], rcookie[128], *name = NULL;
static time_t last_https = 0;
static char last_get[128];
static int first = 1;
@@ -1267,7 +1278,7 @@ void accept_openssl(int mode) {
if (first) {
last_get[i] = '\0';
}
- cookie[i] = '\0';
+ cookie[i] = '\0';
rcookie[i] = '\0';
}
first = 0;
@@ -1280,26 +1291,35 @@ void accept_openssl(int mode) {
if (mode == OPENSSL_INETD) {
ssl_initialized = 1;
- } else if (mode == OPENSSL_VNC && openssl_sock >= 0) {
+ } else if (mode == OPENSSL_VNC) {
sock = accept(openssl_sock, (struct sockaddr *)&addr, &addrlen);
- listen = openssl_sock;
if (sock < 0) {
rfbLog("SSL: accept_openssl: accept connection failed\n");
rfbLogPerror("accept");
return;
}
+ listen = openssl_sock;
- } else if (mode == OPENSSL_HTTPS && https_sock >= 0) {
+ } else if (mode == OPENSSL_HTTPS) {
sock = accept(https_sock, (struct sockaddr *)&addr, &addrlen);
- listen = https_sock;
if (sock < 0) {
rfbLog("SSL: accept_openssl: accept connection failed\n");
rfbLogPerror("accept");
return;
}
+ listen = https_sock;
}
if (db) fprintf(stderr, "SSL: accept_openssl: sock: %d\n", sock);
+ if (openssl_last_ip) {
+ free(openssl_last_ip);
+ openssl_last_ip = NULL;
+ }
+ if (mode == OPENSSL_INETD) {
+ openssl_last_ip = get_remote_host(fileno(stdin));
+ } else {
+ openssl_last_ip = get_remote_host(sock);
+ }
/* now make a listening socket for child to connect back to us by: */
@@ -1339,11 +1359,23 @@ void accept_openssl(int mode) {
if (mode != OPENSSL_INETD) {
name = get_remote_host(sock);
} else {
- name = strdup("inetd-connection");
+ openssl_last_ip = get_remote_host(fileno(stdin));
+ if (openssl_last_ip) {
+ name = strdup(openssl_last_ip);
+ } else {
+ name = strdup("unknown");
+ }
}
if (name) {
- rfbLog("SSL: spawning helper process to handle: %s\n", name);
+ if (mode == OPENSSL_INETD) {
+ rfbLog("SSL: (inetd) spawning helper process "
+ "to handle: %s\n", name);
+ } else {
+ rfbLog("SSL: spawning helper process to handle: "
+ "%s\n", name);
+ }
free(name);
+ name = NULL;
}
/* now fork the child to handle the SSL: */
@@ -1361,7 +1393,7 @@ void accept_openssl(int mode) {
} else if (pid == 0) {
int s_in, s_out, httpsock = -1;
- int vncsock, sslsock = sock;
+ int vncsock;
int i, have_httpd = 0;
int f_in = fileno(stdin);
int f_out = fileno(stdout);
@@ -1376,7 +1408,7 @@ void accept_openssl(int mode) {
continue;
}
}
- if (i == sslsock) {
+ if (i == sock) {
continue;
}
if (i == 2) {
@@ -1400,7 +1432,6 @@ void accept_openssl(int mode) {
if (vncsock < 0) {
rfbLog("SSL: ssl_helper[%d]: could not connect"
" back to: %d\n", getpid(), cport);
- close(vncsock);
exit(1);
}
@@ -1424,6 +1455,10 @@ void accept_openssl(int mode) {
* SSL socket.
*/
+ if (! screen) {
+ close(vncsock);
+ exit(1);
+ }
if (screen->httpListenSock >= 0 && screen->httpPort > 0) {
have_httpd = 1;
}
@@ -1470,6 +1505,7 @@ void accept_openssl(int mode) {
*/
if (db) fprintf(stderr, "watch_for_http_traffic\n");
+
is_http = watch_for_http_traffic(buf, &n);
if (is_http < 0 || is_http == 0) {
@@ -1484,7 +1520,9 @@ void accept_openssl(int mode) {
}
goto wrote_cookie;
}
- if (db) fprintf(stderr, "is_http: %d n: %d\n", is_http, n);
+
+ if (db) fprintf(stderr, "is_http: %d n: %d\n",
+ is_http, n);
if (db) fprintf(stderr, "buf: '%s'\n", buf);
if (strstr(buf, "/request.https.vnc.connection")) {
@@ -1497,6 +1535,8 @@ void accept_openssl(int mode) {
* instead of a direct SSL connection.
*/
rfbLog("Handling VNC request via https GET. [%d]\n", getpid());
+/* AUDIT */
+
if (strstr(buf, "/reverse.proxy")) {
char *buf;
int n, ptr;
@@ -1736,6 +1776,10 @@ if (db) fprintf(stderr, "iface: %s\n", iface);
inetd_client = client;
client->clientGoneHook = client_gone;
}
+ if (openssl_last_ip &&
+ strpbrk(openssl_last_ip, "0123456789") == openssl_last_ip) {
+ client->host = strdup(openssl_last_ip);
+ }
} else {
rfbLog("SSL: accept_openssl: rfbNewClient failed.\n");
close(vsock);
diff --git a/x11vnc/sslhelper.h b/x11vnc/sslhelper.h
index cdba866..5caa178 100644
--- a/x11vnc/sslhelper.h
+++ b/x11vnc/sslhelper.h
@@ -12,6 +12,7 @@ extern int openssl_sock;
extern int openssl_port_num;
extern int https_sock;
extern pid_t openssl_last_helper_pid;
+extern char *openssl_last_ip;
extern void raw_xfer(int csock, int s_in, int s_out);
diff --git a/x11vnc/unixpw.c b/x11vnc/unixpw.c
index c55c9b5..8402ea8 100644
--- a/x11vnc/unixpw.c
+++ b/x11vnc/unixpw.c
@@ -5,6 +5,7 @@
extern int grantpt(int);
extern int unlockpt(int);
extern char *ptsname(int);
+/* XXX remove need for this */
extern char *crypt(const char*, const char *);
#endif
@@ -14,6 +15,8 @@ extern char *crypt(const char*, const char *);
#include "xinerama.h"
#include "connections.h"
#include "user.h"
+#include "connections.h"
+#include "cursor.h"
#include <rfb/default8x16.h>
#if LIBVNCSERVER_HAVE_FORK
@@ -25,6 +28,9 @@ extern char *crypt(const char*, const char *);
#if LIBVNCSERVER_HAVE_PWD_H && LIBVNCSERVER_HAVE_GETPWNAM
#if LIBVNCSERVER_HAVE_CRYPT || LIBVNCSERVER_HAVE_LIBCRYPT
#define UNIXPW_CRYPT
+#if LIBVNCSERVER_HAVE_GETSPNAM
+#include <shadow.h>
+#endif
#endif
#endif
@@ -65,6 +71,7 @@ static void set_db(void);
static void unixpw_verify(char *user, char *pass);
int unixpw_in_progress = 0;
+int unixpw_in_rfbPE = 0;
int unixpw_login_viewonly = 0;
time_t unixpw_last_try_time = 0;
rfbClientPtr unixpw_client = NULL;
@@ -143,6 +150,8 @@ void unixpw_screen(int init) {
char_y = y;
char_col = strlen(log);
char_row = 0;
+
+ set_warrow_cursor();
}
if (scaling) {
@@ -347,11 +356,32 @@ int crypt_verify(char *user, char *pass) {
return 0;
}
+ if (db > 1) fprintf(stderr, "realpw='%s'\n", realpw);
+
+ if (strlen(realpw) < 10) {
+ /* e.g. "x", try getspnam(), sometimes root for inetd, etc */
+#if LIBVNCSERVER_HAVE_GETSPNAM
+ struct spwd *sp = getspnam(user);
+ if (sp != NULL && sp->sp_pwdp != NULL) {
+ if (db) fprintf(stderr, "using getspnam()\n");
+ realpw = sp->sp_pwdp;
+ } else {
+ if (db) fprintf(stderr, "skipping getspnam()\n");
+ }
+#endif
+ }
+
n = strlen(pass);
if (pass[n-1] == '\n') {
pass[n-1] = '\0';
}
+
+ /* XXX remove need for cast */
cr = (char *) crypt(pass, realpw);
+ if (db > 1) {
+ fprintf(stderr, "user='%s' pass='%s' realpw='%s' cr='%s'\n",
+ user, pass, realpw, cr ? cr : "(null)");
+ }
if (cr == NULL) {
return 0;
}
@@ -793,6 +823,7 @@ static void unixpw_verify(char *user, char *pass) {
char li[] = "Login incorrect";
char log[] = "login: ";
char *colon = NULL;
+ ClientData *cd = NULL;
if (db) fprintf(stderr, "unixpw_verify: '%s' '%s'\n", user, db > 1 ? pass : "********");
rfbLog("unixpw_verify: %s\n", user);
@@ -802,10 +833,23 @@ if (db) fprintf(stderr, "unixpw_verify: '%s' '%s'\n", user, db > 1 ? pass : "***
*colon = '\0';
rfbLog("unixpw_verify: colon: %s\n", user);
}
-
+ if (unixpw_client) {
+ cd = (ClientData *) unixpw_client->clientData;
+ if (cd) {
+ char *str = (char *)malloc(strlen("UNIX:") +
+ strlen(user) + 1);
+ sprintf(str, "UNIX:%s", user);
+ if (cd->username) {
+ free(cd->username);
+ }
+ cd->username = str;
+ }
+ }
if (unixpw_nis) {
if (crypt_verify(user, pass)) {
+ rfbLog("unixpw_verify: crypt_verify login for '%s'"
+ " succeeded.\n", user);
unixpw_accept(user);
if (keep_unixpw) {
keep_unixpw_user = strdup(user);
@@ -818,12 +862,14 @@ if (db) fprintf(stderr, "unixpw_verify: '%s' '%s'\n", user, db > 1 ? pass : "***
}
if (colon) *colon = ':';
return;
- } else {
- rfbLog("unixpw_verify: crypt_verify login for %s failed.\n", user);
- usleep(3000*1000);
}
+ rfbLog("unixpw_verify: crypt_verify login for '%s' failed.\n",
+ user);
+ usleep(3000*1000);
} else {
if (su_verify(user, pass, NULL, NULL, NULL)) {
+ rfbLog("unixpw_verify: su_verify login for '%s'"
+ " succeeded.\n", user);
unixpw_accept(user);
if (keep_unixpw) {
keep_unixpw_user = strdup(user);
@@ -837,7 +883,8 @@ if (db) fprintf(stderr, "unixpw_verify: '%s' '%s'\n", user, db > 1 ? pass : "***
if (colon) *colon = ':';
return;
}
- rfbLog("unixpw_verify: su_verify login for %s failed.\n", user);
+ rfbLog("unixpw_verify: su_verify login for '%s' failed.\n",
+ user);
}
if (colon) *colon = ':';
@@ -1142,6 +1189,17 @@ static void apply_opts (char *user) {
void unixpw_accept(char *user) {
apply_opts(user);
+ if (accept_cmd && strstr(accept_cmd, "popup") == accept_cmd) {
+ if (use_dpy && strstr(use_dpy, "WAIT:") == use_dpy &&
+ dpy == NULL) {
+ /* handled in main() */
+ unixpw_client->onHold = TRUE;
+ } else if (! accept_client(unixpw_client)) {
+ unixpw_deny();
+ return;
+ }
+ }
+
if (started_as_root == 1 && users_list
&& strstr(users_list, "unixpw=") == users_list) {
if (getuid() && geteuid()) {
diff --git a/x11vnc/unixpw.h b/x11vnc/unixpw.h
index a0d8245..277c41a 100644
--- a/x11vnc/unixpw.h
+++ b/x11vnc/unixpw.h
@@ -12,6 +12,7 @@ extern int su_verify(char *user, char *pass, char *cmd, char *rbuf, int *rbuf_si
extern int crypt_verify(char *user, char *pass);
extern int unixpw_in_progress;
+extern int unixpw_in_rfbPE;
extern int unixpw_login_viewonly;
extern time_t unixpw_last_try_time;
extern rfbClientPtr unixpw_client;
diff --git a/x11vnc/user.c b/x11vnc/user.c
index 94d1797..8b0bbbb 100644
--- a/x11vnc/user.c
+++ b/x11vnc/user.c
@@ -1038,8 +1038,8 @@ void user_supplied_opts(char *opts) {
char *p, *str;
char *allow[] = {
"skip-display", "skip-auth", "skip-shared",
- "scale", "scale_cursor", "solid", "id", "clear_mods",
- "clear_keys", "repeat", "speeds",
+ "scale", "scale_cursor", "sc", "solid", "id",
+ "clear_mods", "cm", "clear_keys", "ck", "repeat", "speeds",
NULL
};
@@ -1067,7 +1067,8 @@ void user_supplied_opts(char *opts) {
i++;
}
- if (! ok && sscanf(p, "%d/%d", &n, &m) == 2) {
+ if (! ok && strpbrk(p, "0123456789") == p &&
+ sscanf(p, "%d/%d", &n, &m) == 2) {
if (scale_str) free(scale_str);
scale_str = strdup(p);
} else if (ok) {
@@ -1077,6 +1078,8 @@ void user_supplied_opts(char *opts) {
} else if (strstr(p, "auth=") == p) {
if (auth_file) free(auth_file);
auth_file = strdup(p + strlen("auth="));
+ } else if (!strcmp(p, "shared")) {
+ shared = 1;
} else if (strstr(p, "scale=") == p) {
if (scale_str) free(scale_str);
scale_str = strdup(p + strlen("scale="));
@@ -1084,8 +1087,9 @@ void user_supplied_opts(char *opts) {
if (scale_cursor_str) free(scale_cursor_str);
scale_cursor_str = strdup(p +
strlen("scale_cursor="));
- } else if (!strcmp(p, "shared")) {
- shared = 1;
+ } else if (strstr(p, "sc=") == p) {
+ if (scale_cursor_str) free(scale_cursor_str);
+ scale_cursor_str = strdup(p + strlen("sc="));
} else if (!strcmp(p, "solid")) {
use_solid_bg = 1;
if (!solid_str) {
@@ -1103,9 +1107,11 @@ void user_supplied_opts(char *opts) {
subwin = win;
}
}
- } else if (!strcmp(p, "clear_mods")) {
+ } else if (!strcmp(p, "clear_mods") ||
+ !strcmp(p, "cm")) {
clear_mods = 1;
- } else if (!strcmp(p, "clear_keys")) {
+ } else if (!strcmp(p, "clear_keys") ||
+ !strcmp(p, "ck")) {
clear_mods = 2;
} else if (!strcmp(p, "repeat")) {
no_autorepeat = 0;
@@ -1296,12 +1302,18 @@ int wait_for_client(int *argc, char** argv, int http) {
rfbLog("unixpw but no unixpw_in_progress\n");
clean_up_exit(1);
}
+ if (unixpw_client && unixpw_client->onHold) {
+ rfbLog("taking unixpw_client off hold.\n");
+ unixpw_client->onHold = FALSE;
+ }
while (1) {
if (shut_down) {
clean_up_exit(0);
}
if (! use_threads) {
+ unixpw_in_rfbPE = 1;
rfbPE(-1);
+ unixpw_in_rfbPE = 0;
}
if (unixpw_in_progress) {
usleep(20 * 1000);
diff --git a/x11vnc/userinput.c b/x11vnc/userinput.c
index 1395c71..d3dec60 100644
--- a/x11vnc/userinput.c
+++ b/x11vnc/userinput.c
@@ -2145,6 +2145,8 @@ static int check_xrecord_keys(void) {
RAWFB_RET(0)
+ if (unixpw_in_progress) return 0;
+
set_repeat_in = set_repeat;
set_repeat = 0.0;
@@ -3303,6 +3305,7 @@ int check_wireframe(void) {
RAWFB_RET(0)
if (unixpw_in_progress) return 0;
+
if (nofb) {
return 0;
}
diff --git a/x11vnc/util.c b/x11vnc/util.c
index cfd9cd5..64220d0 100644
--- a/x11vnc/util.c
+++ b/x11vnc/util.c
@@ -3,6 +3,7 @@
#include "x11vnc.h"
#include "cleanup.h"
#include "win_utils.h"
+#include "unixpw.h"
struct timeval _mysleep;
@@ -407,9 +408,14 @@ double rfac(void) {
*/
#define USEC_MAX 999999 /* libvncsever assumes < 1 second */
void rfbPE(long usec) {
+ int uip0 = unixpw_in_progress;
if (! screen) {
return;
}
+ if (unixpw && unixpw_in_progress && !unixpw_in_rfbPE) {
+ rfbLog("unixpw_in_rfbPE: skipping rfbPE\n");
+ return;
+ }
if (usec > USEC_MAX) {
usec = USEC_MAX;
@@ -417,18 +423,38 @@ void rfbPE(long usec) {
if (! use_threads) {
rfbProcessEvents(screen, usec);
}
+
+ if (unixpw && unixpw_in_progress && !uip0) {
+ if (!unixpw_in_rfbPE) {
+ rfbLog("rfbPE: got new client in non-rfbPE\n");
+ ; /* this is new unixpw client */
+ }
+ }
}
void rfbCFD(long usec) {
+ int uip0 = unixpw_in_progress;
if (! screen) {
return;
}
+ if (unixpw && unixpw_in_progress && !unixpw_in_rfbPE) {
+ rfbLog("unixpw_in_rfbPE: skipping rfbCFD\n");
+ return;
+ }
if (usec > USEC_MAX) {
usec = USEC_MAX;
}
+
if (! use_threads) {
rfbCheckFds(screen, usec);
}
+
+ if (unixpw && unixpw_in_progress && !uip0) {
+ if (!unixpw_in_rfbPE) {
+ rfbLog("rfbCFD: got new client in non-rfbPE\n");
+ ; /* this is new unixpw client */
+ }
+ }
}
double rect_overlap(int x1, int y1, int x2, int y2, int X1, int Y1,
diff --git a/x11vnc/x11vnc.1 b/x11vnc/x11vnc.1
index 7639686..6da11a4 100644
--- a/x11vnc/x11vnc.1
+++ b/x11vnc/x11vnc.1
@@ -1,8 +1,8 @@
.\" This file was automatically generated from x11vnc -help output.
-.TH X11VNC "1" "June 2006" "x11vnc " "User Commands"
+.TH X11VNC "1" "July 2006" "x11vnc " "User Commands"
.SH NAME
x11vnc - allow VNC connections to real X11 displays
- version: 0.8.2, lastmod: 2006-06-23
+ version: 0.8.2, lastmod: 2006-07-04
.SH SYNOPSIS
.B x11vnc
[OPTION]...
@@ -37,7 +37,7 @@ In brief:
.PP
% vncviewer -encodings 'copyrect tight zrle hextile' localhost:0
.PP
-Also, use of a VNC password (-rfbauth or \fB-passwdfile)\fR is strongly recommend.
+Also, use of a VNC password (-rfbauth or \fB-passwdfile)\fR is strongly recommended.
.PP
For additional info see: http://www.karlrunge.com/x11vnc/
and http://www.karlrunge.com/x11vnc/#faq
@@ -231,11 +231,11 @@ speedup may be achieved via the option "nogetimage".
This enables a scheme were XGetImage() is not used
to retrieve the 8bpp data. Instead, it assumes that
the 8bpp data is in bits 25-32 of the 32bit X pixels.
-There is no reason the X server should put the data
-there for our poll requests, but some do and so the
-extra steps to retrieve it can be skipped. Tested with
-mga driver with XFree86/Xorg. For the default depth
-8 case this option is ignored.
+There is no requirement that the X server should put
+the data there for our poll requests, but some do and
+so the extra steps to retrieve it can be skipped.
+Tested with mga driver with XFree86/Xorg. For the
+default depth 8 case this option is ignored.
.IP
To adjust how often XGetImage() is used to poll the
non-default visual regions for changes, use the option
@@ -373,6 +373,11 @@ Also clients that log in viewonly cannot transfer files.
However, if the remote control mechanism is used to
change the global or per-client viewonly state the
filetransfer permissions will NOT change.
+.IP
+Note, to *enable* UltraVNC filetransfer (currently
+disabled by default, this may change...) and to get it
+to work you probably need to supply these libvncserver
+options: "\fB-rfbversion\fR \fI3.6 \fB-permitfiletransfer\fR"\fR
.PP
\fB-http\fR
.IP
@@ -437,7 +442,7 @@ out with the "#" character in the usual way.
.PP
\fB-localhost\fR
.IP
-Same as "\fB-allow\fR \fI127.0.0.1\fR".
+Basically the same as "\fB-allow\fR \fI127.0.0.1\fR".
.IP
Note: if you want to restrict which network interface
x11vnc listens on, see the \fB-listen\fR option below.
@@ -445,11 +450,11 @@ E.g. "\fB-listen\fR \fIlocalhost\fR" or "\fB-listen\fR \fI192.168.3.21\fR".
As a special case, the option "\fB-localhost\fR" implies
"\fB-listen\fR \fIlocalhost\fR".
.IP
-For non-localhost \fB-listen\fR usage, if you use the remote
-control mechanism (-R) to change the \fB-listen\fR interface
-you may need to manually adjust the \fB-allow\fR list (and
-vice versa) to avoid situations where no connections
-(or too many) are allowed.
+A rare case, but for non-localhost \fB-listen\fR usage, if
+you use the remote control mechanism (-R) to change
+the \fB-listen\fR interface you may need to manually adjust
+the \fB-allow\fR list (and vice versa) to avoid situations
+where no connections (or too many) are allowed.
.PP
\fB-nolookup\fR
.IP
@@ -519,7 +524,7 @@ removed after being read. Perhaps this is useful in
limiting the readability of the file. In general,
the password file should not be readable by untrusted
users (BTW: neither should the VNC \fB-rfbauth\fR file:
-it is NOT encrypted).
+it is NOT encrypted, only obscured).
.IP
If the filename is prefixed with "read:" it will
periodically be checked for changes and reread.
@@ -661,7 +666,7 @@ The user names in the comma separated [list] can have
per-user options after a ":", e.g. "fred:opts"
where "opts" is a "+" separated list of
"viewonly", "fullaccess", "input=XXXX", or
-"deny", e.g. "karl,fred:viewonly,boss:input=M".
+"deny", e.g. "karl,wally:viewonly,boss:input=M".
For "input=" it is the K,M,B,C described under \fB-input.\fR
.IP
If a user in the list is "*" that means those
@@ -696,8 +701,10 @@ mode to work (only that
.IR getpwnam (3)
return the encrypted
password is required), but it is unlikely it will work
-for any other modern environment. All of the \fB-unixpw\fR
-options and contraints apply.
+for any other modern environment unless x11vnc is run
+as root (which, btw, is often done when running x11vnc
+from inetd and xdm/gdm/kdm). All of the \fB-unixpw\fR options
+and contraints apply.
.PP
\fB-display\fR \fIWAIT:...\fR
.IP
@@ -726,17 +733,17 @@ output is taken as XAUTHORITY data. It can be either
of the form XAUTHORITY=<file> or raw xauthority data for
the display (e.g. "xauth extract - $DISPLAY" output).
.IP
-In the case of \fB-unixpw,\fR then the above command is run
-as the user who just authenticated via the login and
-password prompt.
+In the case of \fB-unixpw\fR (but not \fB-unixpw_nis),\fR then the
+above command is run as the user who just authenticated
+via the login and password prompt.
.IP
Also in the case of \fB-unixpw,\fR the user logging in can
place a colon at the end of his username and supply
-a few options: scale=, scale_cursor=, solid, id=,
-clear_mods, clear_keys, repeat, or speeds= separated
-by commas if there is more than one. After the user
-logs in successfully, these options will be applied to
-the VNC screen. For example,
+a few options: scale=, scale_cursor= (or sc=), solid,
+id=, clear_mods (or cm), clear_keys (or ck), repeat, or
+speeds= separated by commas if there is more than one.
+After the user logs in successfully, these options will
+be applied to the VNC screen. For example,
.IP
login: fred:scale=3/4,repeat
Password: ...
@@ -760,17 +767,19 @@ A nice way to use WAIT:cmd=... is out of
.IR inetd (8)
(it automatically forks a new x11vnc for each user).
You can have the x11vnc inetd spawned process run as,
-say, root or nobody. When run as root (for either
-inetd or display manager), you can also supply the
-option "\fB-users\fR \fIunixpw=\fR" to have the x11vnc process
-switch to the user as well. Note: there will be a 2nd
-SSL helper process that will not switch, but it is only
-encoding and decoding the stream at that point.
-.IP
-As a special case, WAIT:cmd=FINDDISPLAY will run
-a script that works on most Unixes to determine a
-user's DISPLAY variable and xauthority data. To have
-this default script printed to stdout (e.g. for
+say, root or nobody. When run as root (for either inetd
+or display manager), you can also supply the option
+"\fB-users\fR \fIunixpw=\fR" to have the x11vnc process switch to
+the user as well. Note: there will be a 2nd SSL helper
+process that will not switch, but it is only encoding
+and decoding the encrypted stream at that point.
+.IP
+As a special case, WAIT:cmd=FINDDISPLAY will run a
+script that works on most Unixes to determine a user's
+DISPLAY variable and xauthority data (see
+.IR who (1)
+).
+To have this default script printed to stdout (e.g. for
customization) run with WAIT:cmd=FINDDISPLAY-print
.IP
As another special case, WAIT:cmd=HTTPONCE will allow
@@ -1399,6 +1408,15 @@ is used. The popup will time out after 120 seconds,
use "popup:N" to modify the timeout to N seconds
(use 0 for no timeout).
.IP
+In the case of "popup" and when the \fB-unixpw\fR option
+is specified, then a *second* window will be popped
+up after the user successfully logs in via his UNIX
+password. This time the user will be identified as
+UNIX:username@hostname, the "UNIX:" prefix indicates
+which user the viewer logged as via \fB-unixpw.\fR The first
+popup is only for whether to allow him to even *try*
+to login via unix password.
+.IP
If \fIstring\fR is "xmessage" then an
.IR xmessage (1)
invocation is used for the command. xmessage must be
@@ -1690,6 +1708,11 @@ Print this help text.
.IP
Print program version and last modification date.
.PP
+\fB-license\fR
+.IP
+Print out license information. Same as \fB-copying\fR and
+\fB-warranty.\fR
+.PP
\fB-dbg\fR
.IP
Instead of exiting after cleaning up, run a simple
diff --git a/x11vnc/x11vnc.c b/x11vnc/x11vnc.c
index ce7bcbd..892adba 100644
--- a/x11vnc/x11vnc.c
+++ b/x11vnc/x11vnc.c
@@ -407,6 +407,7 @@ static void watch_loop(void) {
}
while (1) {
+ char msg[] = "new client: %s taking unixpw client off hold.\n";
got_user_input = 0;
got_pointer_input = 0;
@@ -418,10 +419,35 @@ static void watch_loop(void) {
if (! use_threads) {
dtime0(&tm);
if (! skip_pe) {
- measure_send_rates(1);
+ if (unixpw && unixpw_in_progress) {
+ rfbClientPtr cl = unixpw_client;
+ if (cl && cl->onHold) {
+ rfbLog(msg, cl->host);
+ unixpw_client->onHold = FALSE;
+ }
+ } else {
+ measure_send_rates(1);
+ }
+
+ unixpw_in_rfbPE = 1;
+
rfbPE(-1);
- measure_send_rates(0);
- fb_update_sent(NULL);
+
+ unixpw_in_rfbPE = 0;
+
+ if (unixpw && unixpw_in_progress) {
+ /* rfbPE loop until logged in. */
+ skip_pe = 0;
+ continue;
+ } else {
+ measure_send_rates(0);
+ fb_update_sent(NULL);
+ }
+ } else {
+ if (unixpw && unixpw_in_progress) {
+ skip_pe = 0;
+ continue;
+ }
}
dtr = dtime(&tm);
@@ -432,26 +458,27 @@ static void watch_loop(void) {
if (screen && screen->clientHead) {
int ret = check_user_input(dt, dtr,
tile_diffs, &cnt);
- /* true means loop back for more input */
+ /* true: loop back for more input */
if (ret == 2) {
skip_pe = 1;
}
if (ret) {
-if (debug_scroll) fprintf(stderr, "watch_loop: LOOP-BACK: %d\n", ret);
+ if (debug_scroll) fprintf(stderr, "watch_loop: LOOP-BACK: %d\n", ret);
continue;
}
}
-
/* watch for viewonly input piling up: */
- if ((got_pointer_calls > got_pointer_input)
- || (got_keyboard_calls > got_keyboard_input)) {
+ if ((got_pointer_calls > got_pointer_input) ||
+ (got_keyboard_calls > got_keyboard_input)) {
eat_viewonly_input(10, 3);
}
} else {
+#if 0
if (0 && use_xrecord) {
/* XXX not working */
check_xrecord();
}
+#endif
if (wireframe && button_mask) {
check_wireframe();
}
@@ -462,6 +489,8 @@ if (debug_scroll) fprintf(stderr, "watch_loop: LOOP-BACK: %d\n", ret);
clean_up_exit(0);
}
+ if (unixpw_in_progress) continue;
+
if (! urgent_update) {
if (do_copy_screen) {
do_copy_screen = 0;
@@ -540,6 +569,8 @@ if (debug_scroll) fprintf(stderr, "watch_loop: LOOP-BACK: %d\n", ret);
if (use_xdamage && last_dt > xdamage_thrash) {
clear_xdamage_mark_region(NULL, 0);
}
+
+ if (unixpw_in_progress) continue;
dtime0(&tm);
if (use_snapfb) {
int t, tries = 3;
@@ -1823,6 +1854,9 @@ int main(int argc, char* argv[]) {
} else if (!strcmp(arg, "-V") || !strcmp(arg, "-version")) {
fprintf(stdout, "x11vnc: %s\n", lastmod);
exit(0);
+ } else if (!strcmp(arg, "-license") ||
+ !strcmp(arg, "-copying") || !strcmp(arg, "-warranty")) {
+ print_license();
} else if (!strcmp(arg, "-dbg")) {
crash_debug = 1;
} else if (!strcmp(arg, "-nodbg")) {
@@ -2569,6 +2603,12 @@ int main(int argc, char* argv[]) {
}
}
}
+ if (use_threads) {
+ if (! quiet) {
+ rfbLog("disabling -threads under -unixpw\n");
+ }
+ use_threads = 0;
+ }
}
if (use_stunnel && ! got_localhost) {
if (! getenv("STUNNEL_DISABLE_LOCALHOST") &&
@@ -3203,6 +3243,31 @@ int main(int argc, char* argv[]) {
if (use_solid_bg && client_count) {
solid_bg(0);
}
+ if (accept_cmd && strstr(accept_cmd, "popup") == accept_cmd) {
+ rfbClientIteratorPtr iter;
+ rfbClientPtr cl, cl0 = NULL;
+ int i = 0;
+ iter = rfbGetClientIterator(screen);
+ while( (cl = rfbClientIteratorNext(iter)) ) {
+ i++;
+ if (i != 1) {
+ rfbLog("WAIT popup: too many clients\n");
+ clean_up_exit(1);
+ }
+ cl0 = cl;
+ }
+ rfbReleaseClientIterator(iter);
+ if (i != 1 || cl0 == NULL) {
+ rfbLog("WAIT popup: no clients.\n");
+ clean_up_exit(1);
+ }
+ if (! accept_client(cl0)) {
+ rfbLog("WAIT popup: denied.\n");
+ clean_up_exit(1);
+ }
+ rfbLog("waited_for_client: popup accepted.\n");
+ cl0->onHold = FALSE;
+ }
}
if (! waited_for_client) {
diff --git a/x11vnc/x11vnc_defs.c b/x11vnc/x11vnc_defs.c
index fcf4935..d95a33c 100644
--- a/x11vnc/x11vnc_defs.c
+++ b/x11vnc/x11vnc_defs.c
@@ -15,7 +15,7 @@ int xtrap_base_event_type = 0;
int xdamage_base_event_type = 0;
/* date +'lastmod: %Y-%m-%d' */
-char lastmod[] = "0.8.2 lastmod: 2006-06-23";
+char lastmod[] = "0.8.2 lastmod: 2006-07-04";
/* X display info */
diff --git a/x11vnc/xevents.c b/x11vnc/xevents.c
index f027731..69b02e9 100644
--- a/x11vnc/xevents.c
+++ b/x11vnc/xevents.c
@@ -1089,7 +1089,10 @@ void xcut_receive(char *text, int len, rfbClientPtr cl) {
RAWFB_RET_VOID
- if (unixpw_in_progress) return;
+ if (unixpw_in_progress) {
+ rfbLog("xcut_receive: unixpw_in_progress, skipping.\n");
+ return;
+ }
if (!watch_selection) {
return;
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-26 23:07:03 +0000