diff options
Diffstat (limited to 'kinit/kinit.cpp')
| -rw-r--r-- | kinit/kinit.cpp | 1913 |
1 files changed, 0 insertions, 1913 deletions
diff --git a/kinit/kinit.cpp b/kinit/kinit.cpp deleted file mode 100644 index b635b63e6..000000000 --- a/kinit/kinit.cpp +++ /dev/null @@ -1,1913 +0,0 @@ -/* - * This file is part of the KDE libraries - * Copyright (c) 1999-2000 Waldo Bastian <bastian@kde.org> - * (c) 1999 Mario Weilguni <mweilguni@sime.com> - * (c) 2001 Lubos Lunak <l.lunak@kde.org> - * - * $Id$ - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Library General Public - * License version 2 as published by the Free Software Foundation. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Library General Public License for more details. - * - * You should have received a copy of the GNU Library General Public License - * along with this library; see the file COPYING.LIB. If not, write to - * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, - * Boston, MA 02110-1301, USA. - */ - -#include "config.h" -#include <config.h> - -#include <sys/types.h> -#include <sys/time.h> -#include <sys/stat.h> -#include <sys/socket.h> -#include <sys/un.h> -#include <sys/wait.h> -#ifdef HAVE_SYS_SELECT_H -#include <sys/select.h> // Needed on some systems. -#endif - -#include <errno.h> -#include <fcntl.h> -#include <setproctitle.h> -#include <signal.h> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <ctype.h> -#include <unistd.h> -#include <locale.h> - -#include <tqstring.h> -#include <tqfile.h> -#include <tqdatetime.h> -#include <tqfileinfo.h> -#include <tqtextstream.h> -#include <tqregexp.h> -#include <tqfont.h> -#include <kinstance.h> -#include <kstandarddirs.h> -#include <tdeglobal.h> -#include <tdeconfig.h> -#include <klibloader.h> -#include <tdeapplication.h> -#include <tdelocale.h> - -#ifdef HAVE_SYS_PRCTL_H -#include <sys/prctl.h> -#ifndef PR_SET_NAME -#define PR_SET_NAME 15 -#endif -#endif - -#if defined Q_WS_X11 && ! defined K_WS_QTONLY -#include <tdestartupinfo.h> // schroder -#endif - -#include <tdeversion.h> - -#include "ltdl.h" -#include "tdelauncher_cmds.h" - -//#if defined Q_WS_X11 && ! defined K_WS_QTONLY -#ifdef Q_WS_X11 -//#undef K_WS_QTONLY -#include <X11/Xlib.h> -#include <X11/Xatom.h> -#endif - -#ifdef HAVE_DLFCN_H -# include <dlfcn.h> -#endif - -#ifdef RTLD_GLOBAL -# define LTDL_GLOBAL RTLD_GLOBAL -#else -# ifdef DL_GLOBAL -# define LTDL_GLOBAL DL_GLOBAL -# else -# define LTDL_GLOBAL 0 -# endif -#endif - -#if defined(TDEINIT_USE_XFT) && defined(TDEINIT_USE_FONTCONFIG) -#include <X11/Xft/Xft.h> -extern "C" FcBool XftInitFtLibrary (void); -#include <fontconfig/fontconfig.h> -#endif - -extern char **environ; - -extern int lt_dlopen_flag; -//#if defined Q_WS_X11 && ! defined K_WS_QTONLY -#ifdef Q_WS_X11 -static int X11fd = -1; -static Display *X11display = 0; -static int X11_startup_notify_fd = -1; -static Display *X11_startup_notify_display = 0; -#endif -static const TDEInstance *s_instance = 0; -#define MAX_SOCK_FILE 255 -static char sock_file[MAX_SOCK_FILE]; -static char sock_file_old[MAX_SOCK_FILE]; - -//#if defined Q_WS_X11 && ! defined K_WS_QTONLY -#ifdef Q_WS_X11 -#define DISPLAY "DISPLAY" -#elif defined(Q_WS_QWS) -#define DISPLAY "QWS_DISPLAY" -#elif defined(Q_WS_MACX) -#define DISPLAY "MAC_DISPLAY" -#elif defined(K_WS_QTONLY) -#define DISPLAY "QT_DISPLAY" -#else -#error Use QT/X11 or QT/Embedded -#endif - -/* Group data */ -static struct { - int maxname; - int fd[2]; - int launcher[2]; /* socket pair for launcher communication */ - int deadpipe[2]; /* pipe used to detect dead children */ - int initpipe[2]; - int wrapper; /* socket for wrapper communication */ - int wrapper_old; /* old socket for wrapper communication */ - char result; - int exit_status; - pid_t fork; - pid_t launcher_pid; - pid_t my_pid; - int n; - lt_dlhandle handle; - lt_ptr sym; - char **argv; - int (*func)(int, char *[]); - int (*launcher_func)(int); - bool debug_wait; - int lt_dlopen_flag; - TQCString errorMsg; - bool launcher_ok; - bool suicide; -} d; - -//#if defined Q_WS_X11 && ! defined K_WS_QTONLY -#ifdef Q_WS_X11 -extern "C" { -int tdeinit_xio_errhandler( Display * ); -int tdeinit_x_errhandler( Display *, XErrorEvent *err ); -} -#endif - -/* These are to link libtdeparts even if 'smart' linker is used */ -#include <tdeparts/plugin.h> -extern "C" KParts::Plugin* _kinit_init_tdeparts() { return new KParts::Plugin(); } -/* These are to link libtdeio even if 'smart' linker is used */ -#include <tdeio/authinfo.h> -extern "C" TDEIO::AuthInfo* _tdeioslave_init_kio() { return new TDEIO::AuthInfo(); } - -/* - * Close fd's which are only useful for the parent process. - * Restore default signal handlers. - */ -static void close_fds() -{ - if (d.deadpipe[0] != -1) - { - close(d.deadpipe[0]); - d.deadpipe[0] = -1; - } - - if (d.deadpipe[1] != -1) - { - close(d.deadpipe[1]); - d.deadpipe[1] = -1; - } - - if (d.initpipe[0] != -1) - { - close(d.initpipe[0]); - d.initpipe[0] = -1; - } - - if (d.initpipe[1] != -1) - { - close(d.initpipe[1]); - d.initpipe[1] = -1; - } - - if (d.launcher_pid) - { - close(d.launcher[0]); - d.launcher_pid = 0; - } - if (d.wrapper) - { - close(d.wrapper); - d.wrapper = 0; - } - if (d.wrapper_old) - { - close(d.wrapper_old); - d.wrapper_old = 0; - } -#if defined Q_WS_X11 && ! defined K_WS_QTONLY -//#ifdef Q_WS_X11 - if (X11fd >= 0) - { - close(X11fd); - X11fd = -1; - } - if (X11_startup_notify_fd >= 0 && X11_startup_notify_fd != X11fd ) - { - close(X11_startup_notify_fd); - X11_startup_notify_fd = -1; - } -#endif - - signal(SIGCHLD, SIG_DFL); - signal(SIGPIPE, SIG_DFL); -} - -static void exitWithErrorMsg(const TQString &errorMsg) -{ - fprintf( stderr, "[tdeinit] %s\n", errorMsg.local8Bit().data() ); - TQCString utf8ErrorMsg = errorMsg.utf8(); - d.result = 3; // Error with msg - write(d.fd[1], &d.result, 1); - int l = utf8ErrorMsg.length(); - write(d.fd[1], &l, sizeof(int)); - write(d.fd[1], utf8ErrorMsg.data(), l); - close(d.fd[1]); - exit(255); -} - -static void setup_tty( const char* tty ) -{ - if( tty == NULL || *tty == '\0' ) - return; - int fd = open( tty, O_WRONLY ); - if( fd < 0 ) - { - fprintf(stderr, "[tdeinit] couldn't open() %s: %s\n", tty, strerror (errno) ); - return; - } - if( dup2( fd, STDOUT_FILENO ) < 0 ) - { - fprintf(stderr, "[tdeinit] couldn't dup2() %s: %s\n", tty, strerror (errno) ); - close( fd ); - return; - } - if( dup2( fd, STDERR_FILENO ) < 0 ) - { - fprintf(stderr, "[tdeinit] couldn't dup2() %s: %s\n", tty, strerror (errno) ); - close( fd ); - return; - } - close( fd ); -} - -// from tdecore/netwm.cpp -static int get_current_desktop( Display* disp ) -{ - int desktop = 0; // no desktop by default -#if defined Q_WS_X11 && ! defined K_WS_QTONLY -//#ifdef Q_WS_X11 // Only X11 supports multiple desktops - Atom net_current_desktop = XInternAtom( disp, "_NET_CURRENT_DESKTOP", False ); - Atom type_ret; - int format_ret; - unsigned char *data_ret; - unsigned long nitems_ret, unused; - if( XGetWindowProperty( disp, DefaultRootWindow( disp ), net_current_desktop, - 0l, 1l, False, XA_CARDINAL, &type_ret, &format_ret, &nitems_ret, &unused, &data_ret ) - == Success) - { - if (type_ret == XA_CARDINAL && format_ret == 32 && nitems_ret == 1) - desktop = *((long *) data_ret) + 1; - if (data_ret) - XFree ((char*) data_ret); - } -#endif - return desktop; -} - -// var has to be e.g. "DISPLAY=", i.e. with = -const char* get_env_var( const char* var, int envc, const char* envs ) -{ - if( envc > 0 ) - { // get the var from envs - const char* env_l = envs; - int ln = strlen( var ); - for (int i = 0; i < envc; i++) - { - if( strncmp( env_l, var, ln ) == 0 ) - return env_l + ln; - while(*env_l != 0) env_l++; - env_l++; - } - } - return NULL; -} - -#if defined Q_WS_X11 && ! defined K_WS_QTONLY -//#ifdef Q_WS_X11 // FIXME(E): Implement for Qt/Embedded -static void init_startup_info( TDEStartupInfoId& id, const char* bin, - int envc, const char* envs ) -{ - const char* dpy = get_env_var( DISPLAY"=", envc, envs ); - // this may be called in a child, so it can't use display open using X11display - // also needed for multihead - X11_startup_notify_display = XOpenDisplay( dpy ); - if( X11_startup_notify_display == NULL ) - return; - X11_startup_notify_fd = XConnectionNumber( X11_startup_notify_display ); - TDEStartupInfoData data; - int desktop = get_current_desktop( X11_startup_notify_display ); - data.setDesktop( desktop ); - data.setBin( bin ); - TDEStartupInfo::sendChangeX( X11_startup_notify_display, id, data ); - XFlush( X11_startup_notify_display ); -} - -static void complete_startup_info( TDEStartupInfoId& id, pid_t pid ) -{ - if( X11_startup_notify_display == NULL ) - return; - if( pid == 0 ) // failure - TDEStartupInfo::sendFinishX( X11_startup_notify_display, id ); - else - { - TDEStartupInfoData data; - data.addPid( pid ); - data.setHostname(); - TDEStartupInfo::sendChangeX( X11_startup_notify_display, id, data ); - } - XCloseDisplay( X11_startup_notify_display ); - X11_startup_notify_display = NULL; - X11_startup_notify_fd = -1; -} -#endif - -TQCString execpath_avoid_loops( const TQCString& exec, int envc, const char* envs, bool avoid_loops ) -{ - TQStringList paths; - if( envc > 0 ) /* use the passed environment */ - { - const char* path = get_env_var( "PATH=", envc, envs ); - if( path != NULL ) - paths = TQStringList::split( TQRegExp( "[:\b]" ), path, true ); - } - else - paths = TQStringList::split( TQRegExp( "[:\b]" ), getenv( "PATH" ), true ); - TQCString execpath = TQFile::encodeName( - s_instance->dirs()->findExe( exec, paths.join( TQString( ":" )))); - if( avoid_loops && !execpath.isEmpty()) - { - int pos = execpath.findRev( '/' ); - TQString bin_path = execpath.left( pos ); - for( TQStringList::Iterator it = paths.begin(); - it != paths.end(); - ++it ) - if( ( *it ) == bin_path || ( *it ) == bin_path + '/' ) - { - paths.remove( it ); - break; // --> - } - execpath = TQFile::encodeName( - s_instance->dirs()->findExe( exec, paths.join( TQString( ":" )))); - } - return execpath; -} - -#ifdef TDEINIT_OOM_PROTECT -static int oom_pipe = -1; - -static void oom_protect_sighandler( int ) { -} - -static void reset_oom_protect() { - if( oom_pipe <= 0 ) - return; - struct sigaction act, oldact; - act.sa_handler = oom_protect_sighandler; - act.sa_flags = 0; - sigemptyset( &act.sa_mask ); - sigaction( SIGUSR1, &act, &oldact ); - sigset_t sigs, oldsigs; - sigemptyset( &sigs ); - sigaddset( &sigs, SIGUSR1 ); - sigprocmask( SIG_BLOCK, &sigs, &oldsigs ); - pid_t pid = getpid(); - if( write( oom_pipe, &pid, sizeof( pid_t )) > 0 ) { - sigsuspend( &oldsigs ); // wait for the signal to come - } - sigprocmask( SIG_SETMASK, &oldsigs, NULL ); - sigaction( SIGUSR1, &oldact, NULL ); - close( oom_pipe ); - oom_pipe = -1; -} -#else -static void reset_oom_protect() { -} -#endif - -static pid_t launch(int argc, const char *_name, const char *args, - const char *cwd=0, int envc=0, const char *envs=0, - bool reset_env = false, - const char *tty=0, bool avoid_loops = false, - const char* startup_id_str = "0" ) -{ - int launcher = 0; - TQCString lib; - TQCString name; - TQCString exec; - - if (strcmp(_name, "tdelauncher") == 0) { - /* tdelauncher is launched in a special way: - * It has a communication socket on LAUNCHER_FD - */ - if (0 > socketpair(AF_UNIX, SOCK_STREAM, 0, d.launcher)) - { - perror("[tdeinit] socketpair() failed!\n"); - exit(255); - } - launcher = 1; - } - - TQCString libpath; - TQCString execpath; - if (_name[0] != '/') - { - /* Relative name without '.la' */ - name = _name; - lib = name + ".la"; - exec = name; - libpath = TQFile::encodeName(KLibLoader::findLibrary( lib, s_instance )); - execpath = execpath_avoid_loops( exec, envc, envs, avoid_loops ); - } - else - { - lib = _name; - name = _name; - name = name.mid( name.findRev('/') + 1); - exec = _name; - if (lib.right(3) == ".la") - libpath = lib; - else - execpath = exec; - } - if (!args) - { - argc = 1; - } - - if (0 > pipe(d.fd)) - { - perror("[tdeinit] pipe() failed!\n"); - d.result = 3; - d.errorMsg = i18n("Unable to start new process.\n" - "The system may have reached the maximum number of open files possible or the maximum number of open files that you are allowed to use has been reached.").utf8(); - close(d.fd[0]); - close(d.fd[1]); - d.fork = 0; - return d.fork; - } - -#if defined Q_WS_X11 && ! defined K_WS_QTONLY -//#ifdef Q_WS_X11 - TDEStartupInfoId startup_id; - startup_id.initId( startup_id_str ); - if( !startup_id.none()) - init_startup_info( startup_id, name, envc, envs ); -#endif - - d.errorMsg = 0; - d.fork = fork(); - switch(d.fork) { - case -1: - perror("[tdeinit] fork() failed!\n"); - d.result = 3; - d.errorMsg = i18n("Unable to create new process.\n" - "The system may have reached the maximum number of processes possible or the maximum number of processes that you are allowed to use has been reached.").utf8(); - close(d.fd[0]); - close(d.fd[1]); - d.fork = 0; - break; - case 0: - /** Child **/ - close(d.fd[0]); - close_fds(); - if (launcher) - { - if (d.fd[1] == LAUNCHER_FD) - { - d.fd[1] = dup(d.fd[1]); // Evacuate from LAUNCHER_FD - } - if (d.launcher[1] != LAUNCHER_FD) - { - dup2( d.launcher[1], LAUNCHER_FD); // Make sure the socket has fd LAUNCHER_FD - close( d.launcher[1] ); - } - close( d.launcher[0] ); - } - reset_oom_protect(); - - if (cwd && *cwd) - chdir(cwd); - - if( reset_env ) // KWRAPPER/SHELL - { - - TQStrList unset_envs; - for( int tmp_env_count = 0; - environ[tmp_env_count]; - tmp_env_count++) - unset_envs.append( environ[ tmp_env_count ] ); - for( TQStrListIterator it( unset_envs ); - it.current() != NULL ; - ++it ) - { - TQCString tmp( it.current()); - int pos = tmp.find( '=' ); - if( pos >= 0 ) - unsetenv( tmp.left( pos )); - } - } - - for (int i = 0; i < envc; i++) - { - putenv((char *)envs); - while(*envs != 0) envs++; - envs++; - } - -#if defined Q_WS_X11 && ! defined K_WS_QTONLY -//#ifdef Q_WS_X11 - if( startup_id.none()) - TDEStartupInfo::resetStartupEnv(); - else - startup_id.setupStartupEnv(); -#endif - { - int r; - TQCString procTitle; - d.argv = (char **) malloc(sizeof(char *) * (argc+1)); - d.argv[0] = (char *) _name; - for (int i = 1; i < argc; i++) - { - d.argv[i] = (char *) args; - procTitle += " "; - procTitle += (char *) args; - while(*args != 0) args++; - args++; - } - d.argv[argc] = 0; - - /** Give the process a new name **/ -#ifdef HAVE_SYS_PRCTL_H - /* set the process name, so that killall works like intended */ - r = prctl(PR_SET_NAME, (unsigned long) name.data(), 0, 0, 0); - if ( r == 0 ) - tdeinit_setproctitle( "%s [tdeinit]%s", name.data(), procTitle.data() ? procTitle.data() : "" ); - else - tdeinit_setproctitle( "[tdeinit] %s%s", name.data(), procTitle.data() ? procTitle.data() : "" ); -#else - tdeinit_setproctitle( "[tdeinit] %s%s", name.data(), procTitle.data() ? procTitle.data() : "" ); -#endif - } - - d.handle = 0; - if (libpath.isEmpty() && execpath.isEmpty()) - { - TQString errorMsg = i18n("Could not find '%1' executable.").arg(TQFile::decodeName(_name)); - exitWithErrorMsg(errorMsg); - } - - if ( getenv("TDE_IS_PRELINKED") && !execpath.isEmpty() && !launcher) - libpath.truncate(0); - - if ( !libpath.isEmpty() ) - { - d.handle = lt_dlopen( TQFile::encodeName(libpath) ); - if (!d.handle ) - { - const char * ltdlError = lt_dlerror(); - if (execpath.isEmpty()) - { - // Error - TQString errorMsg = i18n("Could not open library '%1'.\n%2").arg(TQFile::decodeName(libpath)) - .arg(ltdlError ? TQFile::decodeName(ltdlError) : i18n("Unknown error")); - exitWithErrorMsg(errorMsg); - } - else - { - // Print warning - fprintf(stderr, "Could not open library %s: %s\n", lib.data(), ltdlError != 0 ? ltdlError : "(null)" ); - } - } - } - lt_dlopen_flag = d.lt_dlopen_flag; - if (!d.handle ) - { - d.result = 2; // Try execing - write(d.fd[1], &d.result, 1); - - // We set the close on exec flag. - // Closing of d.fd[1] indicates that the execvp succeeded! - fcntl(d.fd[1], F_SETFD, FD_CLOEXEC); - - setup_tty( tty ); - - execvp(execpath.data(), d.argv); - d.result = 1; // Error - write(d.fd[1], &d.result, 1); - close(d.fd[1]); - exit(255); - } - - d.sym = lt_dlsym( d.handle, "tdeinitmain"); - if (!d.sym ) - { - d.sym = lt_dlsym( d.handle, "kdemain" ); - if ( !d.sym ) - { -#if ! KDE_IS_VERSION( 3, 90, 0 ) - d.sym = lt_dlsym( d.handle, "main"); -#endif - if (!d.sym ) - { - const char * ltdlError = lt_dlerror(); - fprintf(stderr, "Could not find kdemain: %s\n", ltdlError != 0 ? ltdlError : "(null)" ); - TQString errorMsg = i18n("Could not find 'kdemain' in '%1'.\n%2").arg(TQString(libpath)) - .arg(ltdlError ? TQFile::decodeName(ltdlError) : i18n("Unknown error")); - exitWithErrorMsg(errorMsg); - } - } - } - - d.result = 0; // Success - write(d.fd[1], &d.result, 1); - close(d.fd[1]); - - d.func = (int (*)(int, char *[])) d.sym; - if (d.debug_wait) - { - fprintf(stderr, "[tdeinit] Suspending process\n" - "[tdeinit] 'gdb tdeinit %d' to debug\n" - "[tdeinit] 'kill -SIGCONT %d' to continue\n", - getpid(), getpid()); - kill(getpid(), SIGSTOP); - } - else - { - setup_tty( tty ); - } - - exit( d.func(argc, d.argv)); /* Launch! */ - - break; - default: - /** Parent **/ - close(d.fd[1]); - if (launcher) - { - close(d.launcher[1]); - d.launcher_pid = d.fork; - } - bool exec = false; - for(;;) - { - d.n = read(d.fd[0], &d.result, 1); - if (d.n == 1) - { - if (d.result == 2) - { -#ifndef NDEBUG - fprintf(stderr, "[tdeinit] %s is executable. Launching with exec.\n", _name ); -#endif - exec = true; - continue; - } - if (d.result == 3) - { - int l = 0; - d.n = read(d.fd[0], &l, sizeof(int)); - if (d.n == sizeof(int)) - { - TQCString tmp; - tmp.resize(l+1); - d.n = read(d.fd[0], tmp.data(), l); - tmp[l] = 0; - if (d.n == l) - d.errorMsg = tmp; - } - } - // Finished - break; - } - if (d.n == -1) - { - if (errno == ECHILD) { // a child died. - continue; - } - if (errno == EINTR || errno == EAGAIN) { // interrupted or more to read - continue; - } - } - if (exec) - { - d.result = 0; - break; - } - if (d.n == 0) - { - perror("[tdeinit] Pipe closed unexpectedly"); - d.result = 1; // Error - break; - } - perror("[tdeinit] Error reading from pipe"); - d.result = 1; // Error - break; - } - close(d.fd[0]); - if (launcher && (d.result == 0)) - { - // Trader launched successful - d.launcher_pid = d.fork; - } - } -#if defined Q_WS_X11 && ! defined K_WS_QTONLY -//#ifdef Q_WS_X11 - if( !startup_id.none()) - { - if( d.fork && d.result == 0 ) // launched successfully - complete_startup_info( startup_id, d.fork ); - else // failure, cancel ASN - complete_startup_info( startup_id, 0 ); - } -#endif - return d.fork; -} - -static void sig_child_handler(int) -{ - /* - * Write into the pipe of death. - * This way we are sure that we return from the select() - * - * A signal itself causes select to return as well, but - * this creates a race-condition in case the signal arrives - * just before we enter the select. - */ - char c = 0; - write(d.deadpipe[1], &c, 1); -} - -static void init_signals() -{ - struct sigaction act; - long options; - - if (pipe(d.deadpipe) != 0) - { - perror("[tdeinit] Aborting. Can't create pipe: "); - exit(255); - } - - options = fcntl(d.deadpipe[0], F_GETFL); - if (options == -1) - { - perror("[tdeinit] Aborting. Can't make pipe non-blocking: "); - exit(255); - } - - if (fcntl(d.deadpipe[0], F_SETFL, options | O_NONBLOCK) == -1) - { - perror("[tdeinit] Aborting. Can't make pipe non-blocking: "); - exit(255); - } - - /* - * A SIGCHLD handler is installed which sends a byte into the - * pipe of death. This is to ensure that a dying child causes - * an exit from select(). - */ - act.sa_handler=sig_child_handler; - sigemptyset(&(act.sa_mask)); - sigaddset(&(act.sa_mask), SIGCHLD); - sigprocmask(SIG_UNBLOCK, &(act.sa_mask), 0L); - act.sa_flags = SA_NOCLDSTOP; - - // CC: take care of SunOS which automatically restarts interrupted system - // calls (and thus does not have SA_RESTART) - -#ifdef SA_RESTART - act.sa_flags |= SA_RESTART; -#endif - sigaction( SIGCHLD, &act, 0L); - - act.sa_handler=SIG_IGN; - sigemptyset(&(act.sa_mask)); - sigaddset(&(act.sa_mask), SIGPIPE); - sigprocmask(SIG_UNBLOCK, &(act.sa_mask), 0L); - act.sa_flags = 0; - sigaction( SIGPIPE, &act, 0L); -} - -static void init_tdeinit_socket() -{ - struct sockaddr_un sa; - struct sockaddr_un sa_old; - kde_socklen_t socklen; - long options; - const char *home_dir = getenv("HOME"); - int max_tries = 10; - if (!home_dir || !home_dir[0]) - { - fprintf(stderr, "[tdeinit] Aborting. $HOME not set!"); - exit(255); - } - chdir(home_dir); - - { - TQCString path = home_dir; - TQCString readOnly = getenv("TDE_HOME_READONLY"); - if (access(path.data(), R_OK|W_OK)) - { - if (errno == ENOENT) - { - fprintf(stderr, "[tdeinit] Aborting. $HOME directory (%s) does not exist.\n", path.data()); - exit(255); - } - else if (readOnly.isEmpty()) - { - fprintf(stderr, "[tdeinit] Aborting. No write access to $HOME directory (%s).\n", path.data()); - exit(255); - } - } - path = getenv("ICEAUTHORITY"); - if (path.isEmpty()) - { - path = home_dir; - path += "/.ICEauthority"; - } - if (access(path.data(), R_OK|W_OK) && (errno != ENOENT)) - { - fprintf(stderr, "[tdeinit] Aborting. No write access to '%s'.\n", path.data()); - exit(255); - } - } - - /** Test if socket file is already present - * note that access() resolves symlinks, and so we check the actual - * socket file if it exists - */ - if (access(sock_file, W_OK) == 0) - { - int s; - struct sockaddr_un server; - -// fprintf(stderr, "[tdeinit] Warning, socket_file already exists!\n"); - /* - * create the socket stream - */ - s = socket(PF_UNIX, SOCK_STREAM, 0); - if (s < 0) - { - perror("socket() failed: "); - exit(255); - } - server.sun_family = AF_UNIX; - strcpy(server.sun_path, sock_file); - socklen = sizeof(server); - - if(connect(s, (struct sockaddr *)&server, socklen) == 0) - { - fprintf(stderr, "[tdeinit] Shutting down running client.\n"); - tdelauncher_header request_header; - request_header.cmd = LAUNCHER_TERMINATE_TDEINIT; - request_header.arg_length = 0; - write(s, &request_header, sizeof(request_header)); - sleep(1); // Give it some time - } - close(s); - } - - /** Delete any stale socket file (and symlink) **/ - unlink(sock_file); - unlink(sock_file_old); - - /** create socket **/ - d.wrapper = socket(PF_UNIX, SOCK_STREAM, 0); - if (d.wrapper < 0) - { - perror("[tdeinit] Aborting. socket() failed: "); - exit(255); - } - - options = fcntl(d.wrapper, F_GETFL); - if (options == -1) - { - perror("[tdeinit] Aborting. Can't make socket non-blocking: "); - close(d.wrapper); - exit(255); - } - - if (fcntl(d.wrapper, F_SETFL, options | O_NONBLOCK) == -1) - { - perror("[tdeinit] Aborting. Can't make socket non-blocking: "); - close(d.wrapper); - exit(255); - } - - while (1) { - /** bind it **/ - socklen = sizeof(sa); - memset(&sa, 0, socklen); - sa.sun_family = AF_UNIX; - strcpy(sa.sun_path, sock_file); - if(bind(d.wrapper, (struct sockaddr *)&sa, socklen) != 0) - { - if (max_tries == 0) { - perror("[tdeinit] Aborting. bind() failed: "); - fprintf(stderr, "Could not bind to socket '%s'\n", sock_file); - close(d.wrapper); - exit(255); - } - max_tries--; - } else - break; - } - - /** set permissions **/ - if (chmod(sock_file, 0600) != 0) - { - perror("[tdeinit] Aborting. Can't set permissions on socket: "); - fprintf(stderr, "Wrong permissions of socket '%s'\n", sock_file); - unlink(sock_file); - close(d.wrapper); - exit(255); - } - - if(listen(d.wrapper, SOMAXCONN) < 0) - { - perror("[tdeinit] Aborting. listen() failed: "); - unlink(sock_file); - close(d.wrapper); - exit(255); - } - - /** create compatibility socket **/ - d.wrapper_old = socket(PF_UNIX, SOCK_STREAM, 0); - if (d.wrapper_old < 0) - { - // perror("[tdeinit] Aborting. socket() failed: "); - return; - } - - options = fcntl(d.wrapper_old, F_GETFL); - if (options == -1) - { - // perror("[tdeinit] Aborting. Can't make socket non-blocking: "); - close(d.wrapper_old); - d.wrapper_old = 0; - return; - } - - if (fcntl(d.wrapper_old, F_SETFL, options | O_NONBLOCK) == -1) - { - // perror("[tdeinit] Aborting. Can't make socket non-blocking: "); - close(d.wrapper_old); - d.wrapper_old = 0; - return; - } - - max_tries = 10; - while (1) { - /** bind it **/ - socklen = sizeof(sa_old); - memset(&sa_old, 0, socklen); - sa_old.sun_family = AF_UNIX; - strcpy(sa_old.sun_path, sock_file_old); - if(bind(d.wrapper_old, (struct sockaddr *)&sa_old, socklen) != 0) - { - if (max_tries == 0) { - // perror("[tdeinit] Aborting. bind() failed: "); - fprintf(stderr, "Could not bind to socket '%s'\n", sock_file_old); - close(d.wrapper_old); - d.wrapper_old = 0; - return; - } - max_tries--; - } else - break; - } - - /** set permissions **/ - if (chmod(sock_file_old, 0600) != 0) - { - fprintf(stderr, "Wrong permissions of socket '%s'\n", sock_file); - unlink(sock_file_old); - close(d.wrapper_old); - d.wrapper_old = 0; - return; - } - - if(listen(d.wrapper_old, SOMAXCONN) < 0) - { - // perror("[tdeinit] Aborting. listen() failed: "); - unlink(sock_file_old); - close(d.wrapper_old); - d.wrapper_old = 0; - } -} - -/* - * Read 'len' bytes from 'sock' into buffer. - * returns 0 on success, -1 on failure. - */ -static int read_socket(int sock, char *buffer, int len) -{ - ssize_t result; - int bytes_left = len; - while ( bytes_left > 0) - { - result = read(sock, buffer, bytes_left); - if (result > 0) - { - buffer += result; - bytes_left -= result; - } - else if (result == 0) - return -1; - else if ((result == -1) && (errno != EINTR) && (errno != EAGAIN)) - return -1; - } - return 0; -} - -static void WaitPid( pid_t waitForPid) -{ - int result; - while(1) - { - result = waitpid(waitForPid, &d.exit_status, 0); - if ((result == -1) && (errno == ECHILD)) - return; - } -} - -static void launcher_died() -{ - if (!d.launcher_ok) - { - /* This is bad. */ - fprintf(stderr, "[tdeinit] Communication error with launcher. Exiting!\n"); - ::exit(255); - return; - } - - // TDELauncher died... restart -#ifndef NDEBUG - fprintf(stderr, "[tdeinit] TDELauncher died unexpectedly.\n"); -#endif - // Make sure it's really dead. - if (d.launcher_pid) - { - kill(d.launcher_pid, SIGKILL); - sleep(1); // Give it some time - } - - d.launcher_ok = false; - d.launcher_pid = 0; - close(d.launcher[0]); - d.launcher[0] = -1; - - pid_t pid = launch( 1, "tdelauncher", 0 ); -#ifndef NDEBUG - fprintf(stderr, "[tdeinit] Relaunching TDELauncher, pid = %ld result = %d\n", (long) pid, d.result); -#endif -} - -static void handle_launcher_request(int sock = -1) -{ - bool launcher = false; - if (sock < 0) - { - sock = d.launcher[0]; - launcher = true; - } - - tdelauncher_header request_header; - char *request_data = 0L; - int result = read_socket(sock, (char *) &request_header, sizeof(request_header)); - if (result != 0) - { - if (launcher) - launcher_died(); - return; - } - - if ( request_header.arg_length != 0 ) - { - request_data = (char *) malloc(request_header.arg_length); - - result = read_socket(sock, request_data, request_header.arg_length); - if (result != 0) - { - if (launcher) - launcher_died(); - free(request_data); - return; - } - } - - if (request_header.cmd == LAUNCHER_OK) - { - d.launcher_ok = true; - } - else if (request_header.arg_length && - ((request_header.cmd == LAUNCHER_EXEC) || - (request_header.cmd == LAUNCHER_EXT_EXEC) || - (request_header.cmd == LAUNCHER_SHELL ) || - (request_header.cmd == LAUNCHER_KWRAPPER) || - (request_header.cmd == LAUNCHER_EXEC_NEW))) - { - pid_t pid; - tdelauncher_header response_header; - long response_data; - long l; - memcpy( &l, request_data, sizeof( long )); - int argc = l; - const char *name = request_data + sizeof(long); - const char *args = name + strlen(name) + 1; - const char *cwd = 0; - int envc = 0; - const char *envs = 0; - const char *tty = 0; - int avoid_loops = 0; - const char *startup_id_str = "0"; - -#ifndef NDEBUG - fprintf(stderr, "[tdeinit] Got %s '%s' from %s.\n", - (request_header.cmd == LAUNCHER_EXEC ? "EXEC" : - (request_header.cmd == LAUNCHER_EXT_EXEC ? "EXT_EXEC" : - (request_header.cmd == LAUNCHER_EXEC_NEW ? "EXEC_NEW" : - (request_header.cmd == LAUNCHER_SHELL ? "SHELL" : "KWRAPPER" )))), - name, launcher ? "launcher" : "socket" ); -#endif - - const char *arg_n = args; - for(int i = 1; i < argc; i++) - { - arg_n = arg_n + strlen(arg_n) + 1; - } - - if( request_header.cmd == LAUNCHER_SHELL || request_header.cmd == LAUNCHER_KWRAPPER ) - { - // Shell or kwrapper - cwd = arg_n; arg_n += strlen(cwd) + 1; - } - if( request_header.cmd == LAUNCHER_SHELL || request_header.cmd == LAUNCHER_KWRAPPER - || request_header.cmd == LAUNCHER_EXT_EXEC || request_header.cmd == LAUNCHER_EXEC_NEW ) - { - memcpy( &l, arg_n, sizeof( long )); - envc = l; - arg_n += sizeof(long); - envs = arg_n; - for(int i = 0; i < envc; i++) - { - arg_n = arg_n + strlen(arg_n) + 1; - } - if( request_header.cmd == LAUNCHER_KWRAPPER ) - { - tty = arg_n; - arg_n += strlen( tty ) + 1; - } - } - - if( request_header.cmd == LAUNCHER_SHELL || request_header.cmd == LAUNCHER_KWRAPPER - || request_header.cmd == LAUNCHER_EXT_EXEC || request_header.cmd == LAUNCHER_EXEC_NEW ) - { - memcpy( &l, arg_n, sizeof( long )); - avoid_loops = l; - arg_n += sizeof( long ); - } - - if( request_header.cmd == LAUNCHER_SHELL || request_header.cmd == LAUNCHER_KWRAPPER - || request_header.cmd == LAUNCHER_EXT_EXEC ) - { - startup_id_str = arg_n; - arg_n += strlen( startup_id_str ) + 1; - } - - if ((request_header.arg_length > (arg_n - request_data)) && - (request_header.cmd == LAUNCHER_EXT_EXEC || request_header.cmd == LAUNCHER_EXEC_NEW )) - { - // Optional cwd - cwd = arg_n; arg_n += strlen(cwd) + 1; - } - - if ((arg_n - request_data) != request_header.arg_length) - { -#ifndef NDEBUG - fprintf(stderr, "[tdeinit] EXEC request has invalid format.\n"); -#endif - free(request_data); - d.debug_wait = false; - return; - } - - // support for the old a bit broken way of setting DISPLAY for multihead - TQCString olddisplay = getenv(DISPLAY); - TQCString kdedisplay = getenv("TDE_DISPLAY"); - bool reset_display = (! olddisplay.isEmpty() && - ! kdedisplay.isEmpty() && - olddisplay != kdedisplay); - - if (reset_display) - setenv(DISPLAY, kdedisplay, true); - - pid = launch( argc, name, args, cwd, envc, envs, - request_header.cmd == LAUNCHER_SHELL || request_header.cmd == LAUNCHER_KWRAPPER, - tty, avoid_loops, startup_id_str ); - - if (reset_display) { - unsetenv("TDE_DISPLAY"); - setenv(DISPLAY, olddisplay, true); - } - - if (pid && (d.result == 0)) - { - response_header.cmd = LAUNCHER_OK; - response_header.arg_length = sizeof(response_data); - response_data = pid; - write(sock, &response_header, sizeof(response_header)); - write(sock, &response_data, response_header.arg_length); - } - else - { - int l = d.errorMsg.length(); - if (l) l++; // Include trailing null. - response_header.cmd = LAUNCHER_ERROR; - response_header.arg_length = l; - write(sock, &response_header, sizeof(response_header)); - if (l) - write(sock, d.errorMsg.data(), l); - } - d.debug_wait = false; - } - else if (request_header.arg_length && request_header.cmd == LAUNCHER_SETENV) - { - const char *env_name; - const char *env_value; - env_name = request_data; - env_value = env_name + strlen(env_name) + 1; - -#ifndef NDEBUG - if (launcher) - fprintf(stderr, "[tdeinit] Got SETENV '%s=%s' from tdelauncher.\n", env_name, env_value); - else - fprintf(stderr, "[tdeinit] Got SETENV '%s=%s' from socket.\n", env_name, env_value); -#endif - - if ( request_header.arg_length != - (int) (strlen(env_name) + strlen(env_value) + 2)) - { -#ifndef NDEBUG - fprintf(stderr, "[tdeinit] SETENV request has invalid format.\n"); -#endif - free(request_data); - return; - } - setenv( env_name, env_value, 1); - } - else if (request_header.cmd == LAUNCHER_TERMINATE_KDE) - { -#ifndef NDEBUG - fprintf(stderr,"[tdeinit] Terminating Trinity.\n"); -#endif -#ifdef Q_WS_X11 - tdeinit_xio_errhandler( 0L ); -#endif - } - else if (request_header.cmd == LAUNCHER_TERMINATE_TDEINIT) - { -#ifndef NDEBUG - fprintf(stderr,"[tdeinit] Killing tdeinit/tdelauncher.\n"); -#endif - if (d.launcher_pid) - kill(d.launcher_pid, SIGTERM); - if (d.my_pid) - kill(d.my_pid, SIGTERM); - } - else if (request_header.cmd == LAUNCHER_DEBUG_WAIT) - { -#ifndef NDEBUG - fprintf(stderr,"[tdeinit] Debug wait activated.\n"); -#endif - d.debug_wait = true; - } - if (request_data) - free(request_data); -} - -static void handle_requests(pid_t waitForPid) -{ - int max_sock = d.wrapper; - if (d.wrapper_old > max_sock) - max_sock = d.wrapper_old; - if (d.launcher_pid && (d.launcher[0] > max_sock)) - max_sock = d.launcher[0]; -#if defined Q_WS_X11 && ! defined K_WS_QTONLY -//#ifdef _WS_X11 - if (X11fd > max_sock) - max_sock = X11fd; -#endif - max_sock++; - - while(1) - { - fd_set rd_set; - fd_set wr_set; - fd_set e_set; - int result; - pid_t exit_pid; - char c; - - /* Flush the pipe of death */ - while( read(d.deadpipe[0], &c, 1) == 1); - - /* Handle dying children */ - do { - exit_pid = waitpid(-1, 0, WNOHANG); - if (exit_pid > 0) - { -#ifndef NDEBUG - fprintf(stderr, "[tdeinit] PID %ld terminated.\n", (long) exit_pid); -#endif - if (waitForPid && (exit_pid == waitForPid)) - return; - - if (d.launcher_pid) - { - // TODO send process died message - tdelauncher_header request_header; - long request_data[2]; - request_header.cmd = LAUNCHER_DIED; - request_header.arg_length = sizeof(long) * 2; - request_data[0] = exit_pid; - request_data[1] = 0; /* not implemented yet */ - write(d.launcher[0], &request_header, sizeof(request_header)); - write(d.launcher[0], request_data, request_header.arg_length); - } - } - } - while( exit_pid > 0); - - FD_ZERO(&rd_set); - FD_ZERO(&wr_set); - FD_ZERO(&e_set); - - if (d.launcher_pid) - { - FD_SET(d.launcher[0], &rd_set); - } - FD_SET(d.wrapper, &rd_set); - if (d.wrapper_old) - { - FD_SET(d.wrapper_old, &rd_set); - } - FD_SET(d.deadpipe[0], &rd_set); -#if defined Q_WS_X11 && ! defined K_WS_QTONLY -//#ifdef Q_WS_X11 - if(X11fd >= 0) FD_SET(X11fd, &rd_set); -#endif - - result = select(max_sock, &rd_set, &wr_set, &e_set, 0); - - /* Handle wrapper request */ - if ((result > 0) && (FD_ISSET(d.wrapper, &rd_set))) - { - struct sockaddr_un client; - kde_socklen_t sClient = sizeof(client); - int sock = accept(d.wrapper, (struct sockaddr *)&client, &sClient); - if (sock >= 0) - { -#if defined(TDEINIT_USE_XFT) && defined(TDEINIT_USE_FONTCONFIG) - if( FcGetVersion() < 20390 && !FcConfigUptoDate(NULL)) - FcInitReinitialize(); -#endif - if (fork() == 0) - { - close_fds(); - reset_oom_protect(); - handle_launcher_request(sock); - exit(255); /* Terminate process. */ - } - close(sock); - } - } - if ((result > 0) && (FD_ISSET(d.wrapper_old, &rd_set))) - { - struct sockaddr_un client; - kde_socklen_t sClient = sizeof(client); - int sock = accept(d.wrapper_old, (struct sockaddr *)&client, &sClient); - if (sock >= 0) - { -#if defined(TDEINIT_USE_XFT) && defined(TDEINIT_USE_FONTCONFIG) - if( FcGetVersion() < 20390 && !FcConfigUptoDate(NULL)) - FcInitReinitialize(); -#endif - if (fork() == 0) - { - close_fds(); - reset_oom_protect(); - handle_launcher_request(sock); - exit(255); /* Terminate process. */ - } - close(sock); - } - } - - /* Handle launcher request */ - if ((result > 0) && (d.launcher_pid) && (FD_ISSET(d.launcher[0], &rd_set))) - { - handle_launcher_request(); - if (waitForPid == d.launcher_pid) - return; - } - -//#if defined Q_WS_X11 && ! defined K_WS_QTONLY -#ifdef Q_WS_X11 - /* Look for incoming X11 events */ - if((result > 0) && (X11fd >= 0)) - { - if(FD_ISSET(X11fd,&rd_set)) - { - if (X11display != 0) { - XEvent event_return; - while (XPending(X11display)) - XNextEvent(X11display, &event_return); - } - } - } -#endif - } -} - -static void tdeinit_library_path() -{ - TQStringList ltdl_library_path = - TQStringList::split(':', TQFile::decodeName(getenv("LTDL_LIBRARY_PATH"))); - TQStringList ld_library_path = - TQStringList::split(':', TQFile::decodeName(getenv("LD_LIBRARY_PATH"))); - - TQCString extra_path; - TQStringList candidates = s_instance->dirs()->resourceDirs("lib"); - for (TQStringList::ConstIterator it = candidates.begin(); - it != candidates.end(); - it++) - { - TQString d = *it; - if (ltdl_library_path.contains(d)) - continue; - if (ld_library_path.contains(d)) - continue; - if (d[d.length()-1] == '/') - { - d.truncate(d.length()-1); - if (ltdl_library_path.contains(d)) - continue; - if (ld_library_path.contains(d)) - continue; - } - if ((d == "/lib") || (d == "/usr/lib")) - continue; - - TQCString dir = TQFile::encodeName(d); - - if (access(dir, R_OK)) - continue; - - if ( !extra_path.isEmpty()) - extra_path += ":"; - extra_path += dir; - } - - if (lt_dlinit()) - { - const char * ltdlError = lt_dlerror(); - fprintf(stderr, "can't initialize dynamic loading: %s\n", ltdlError != 0 ? ltdlError : "(null)" ); - } - if (!extra_path.isEmpty()) - lt_dlsetsearchpath(extra_path.data()); - - TQCString display = getenv(DISPLAY); - if (display.isEmpty()) - { - fprintf(stderr, "[tdeinit] Aborting. $"DISPLAY" is not set.\n"); - exit(255); - } - int i; - if((i = display.findRev('.')) > display.findRev(':') && i >= 0) - display.truncate(i); - - TQCString socketName = TQFile::encodeName(locateLocal("socket", TQString("tdeinit-%1").arg(TQString(display)), s_instance)); - if (socketName.length() >= MAX_SOCK_FILE) - { - fprintf(stderr, "[tdeinit] Aborting. Socket name will be too long:\n"); - fprintf(stderr, " '%s'\n", socketName.data()); - exit(255); - } - strcpy(sock_file_old, socketName.data()); - - display.replace(":","_"); - socketName = TQFile::encodeName(locateLocal("socket", TQString("tdeinit_%1").arg(TQString(display)), s_instance)); - if (socketName.length() >= MAX_SOCK_FILE) - { - fprintf(stderr, "[tdeinit] Aborting. Socket name will be too long:\n"); - fprintf(stderr, " '%s'\n", socketName.data()); - exit(255); - } - strcpy(sock_file, socketName.data()); -} - -int tdeinit_xio_errhandler( Display *disp ) -{ - // disp is 0L when KDE shuts down. We don't want those warnings then. - - if ( disp ) - tqWarning( "[tdeinit] Fatal IO error: client killed" ); - - if (sock_file[0]) - { - /** Delete any stale socket file **/ - unlink(sock_file); - } - if (sock_file_old[0]) - { - /** Delete any stale socket file **/ - unlink(sock_file_old); - } - - // Don't kill our children in suicide mode, they may still be in use - if (d.suicide) - { - if (d.launcher_pid) - kill(d.launcher_pid, SIGTERM); - exit( 0 ); - } - - if ( disp ) - tqWarning( "[tdeinit] sending SIGHUP to children." ); - - /* this should remove all children we started */ - signal(SIGHUP, SIG_IGN); - kill(0, SIGHUP); - - sleep(2); - - if ( disp ) - tqWarning( "[tdeinit] sending SIGTERM to children." ); - - /* and if they don't listen to us, this should work */ - signal(SIGTERM, SIG_IGN); - kill(0, SIGTERM); - - if ( disp ) - tqWarning( "[tdeinit] Exit." ); - - exit( 0 ); - return 0; -} - -#ifdef Q_WS_X11 -int tdeinit_x_errhandler( Display *dpy, XErrorEvent *err ) -{ -#ifndef NDEBUG - char errstr[256]; - // tdeinit almost doesn't use X, and therefore there shouldn't be any X error - XGetErrorText( dpy, err->error_code, errstr, 256 ); - fprintf(stderr, "[tdeinit] TDE detected X Error: %s %d\n" - " Major opcode: %d\n" - " Minor opcode: %d\n" - " Resource id: 0x%lx\n", - errstr, err->error_code, err->request_code, err->minor_code, err->resourceid ); -#else - Q_UNUSED(dpy); - Q_UNUSED(err); -#endif - return 0; -} -#endif - -//#if defined Q_WS_X11 && ! defined K_WS_QTONLY -#ifdef Q_WS_X11 -// needs to be done sooner than initXconnection() because of also opening -// another X connection for startup notification purposes -static void setupX() -{ - XInitThreads(); - XSetIOErrorHandler(tdeinit_xio_errhandler); - XSetErrorHandler(tdeinit_x_errhandler); -} - -// Borrowed from tdebase/kaudio/kaudioserver.cpp -static int initXconnection() -{ - X11display = XOpenDisplay(NULL); - if ( X11display != 0 ) { - XCreateSimpleWindow(X11display, DefaultRootWindow(X11display), 0,0,1,1, \ - 0, - BlackPixelOfScreen(DefaultScreenOfDisplay(X11display)), - BlackPixelOfScreen(DefaultScreenOfDisplay(X11display)) ); -#ifndef NDEBUG - fprintf(stderr, "[tdeinit] opened connection to %s\n", DisplayString(X11display)); -#endif - int fd = XConnectionNumber( X11display ); - int on = 1; - (void) setsockopt(fd, SOL_SOCKET, SO_KEEPALIVE, (char *) &on, (int) sizeof(on)); - return fd; - } else - fprintf(stderr, "[tdeinit] Can't connect to the X Server.\n" \ - "[tdeinit] Might not terminate at end of session.\n"); - - return -1; -} -#endif - -#ifdef __KCC -/* One of my horrible hacks. KCC includes in each "main" function a call - to _main(), which is provided by the C++ runtime system. It is - responsible for calling constructors for some static objects. That must - be done only once, so _main() is guarded against multiple calls. - For unknown reasons the designers of KAI's libKCC decided it would be - a good idea to actually abort() when it's called multiple times, instead - of ignoring further calls. This breaks our mechanism of KLM's, because - most KLM's have a main() function which is called from us. - The "solution" is to simply define our own _main(), which ignores multiple - calls, which is easy, and which does the same work as KAI'c _main(), - which is difficult. Currently (KAI 4.0f) it only calls __call_ctors(void) - (a C++ function), but if that changes we need to change our's too. - (matz) */ -/* - Those 'unknown reasons' are C++ standard forbidding recursive calls to main() - or any means that would possibly allow that (e.g. taking address of main()). - The correct solution is not using main() as entry point for tdeinit modules, - but only kdemain(). -*/ -extern "C" void _main(void); -extern "C" void __call_ctors__Fv(void); -static int main_called = 0; -void _main(void) -{ - if (main_called) - return; - main_called = 1; - __call_ctors__Fv (); -} -#endif - -static void secondary_child_handler(int) -{ - waitpid(-1, 0, WNOHANG); -} - -int main(int argc, char **argv, char **envp) -{ - int i; - pid_t pid; - int launch_dcop = 1; - int launch_tdelauncher = 1; - int launch_kded = 1; - int keep_running = 1; - int new_startup = 0; - d.suicide = false; - - /** Save arguments first... **/ - char **safe_argv = (char **) malloc( sizeof(char *) * argc); - for(i = 0; i < argc; i++) - { - safe_argv[i] = strcpy((char*)malloc(strlen(argv[i])+1), argv[i]); - if (strcmp(safe_argv[i], "--no-dcop") == 0) - launch_dcop = 0; - if (strcmp(safe_argv[i], "--no-tdelauncher") == 0) - launch_tdelauncher = 0; - if (strcmp(safe_argv[i], "--no-kded") == 0) - launch_kded = 0; - if (strcmp(safe_argv[i], "--suicide") == 0) - d.suicide = true; - if (strcmp(safe_argv[i], "--exit") == 0) - keep_running = 0; - if (strcmp(safe_argv[i], "--new-startup") == 0) - new_startup = 1; -#ifdef TDEINIT_OOM_PROTECT - if (strcmp(safe_argv[i], "--oom-pipe") == 0 && i+1<argc) - oom_pipe = atol(argv[i+1]); -#endif - if (strcmp(safe_argv[i], "--help") == 0) - { - printf("Usage: tdeinit [options]\n"); - // printf(" --no-dcop Do not start dcopserver\n"); - // printf(" --no-tdelauncher Do not start tdelauncher\n"); - printf(" --no-kded Do not start kded\n"); - printf(" --suicide Terminate when no TDE applications are left running\n"); - // printf(" --exit Terminate when kded has run\n"); - exit(0); - } - } - - pipe(d.initpipe); - - // Fork here and let parent process exit. - // Parent process may only exit after all required services have been - // launched. (dcopserver/tdelauncher and services which start with '+') - signal( SIGCHLD, secondary_child_handler); - if (fork() > 0) // Go into background - { - close(d.initpipe[1]); - d.initpipe[1] = -1; - // wait till init is complete - char c; - while( read(d.initpipe[0], &c, 1) < 0); - // then exit; - close(d.initpipe[0]); - d.initpipe[0] = -1; - return 0; - } - close(d.initpipe[0]); - d.initpipe[0] = -1; - d.my_pid = getpid(); - - /** Make process group leader (for shutting down children later) **/ - if(keep_running) - setsid(); - - /** Create our instance **/ - s_instance = new TDEInstance("tdeinit"); - - /** Prepare to change process name **/ - tdeinit_initsetproctitle(argc, argv, envp); - tdeinit_library_path(); - // Don't make our instance the global instance - // (do it only after tdeinit_library_path, that one indirectly uses TDEConfig, - // which seems to be buggy and always use TDEGlobal instead of the maching TDEInstance) - TDEGlobal::_instance = 0L; - // don't change envvars before tdeinit_initsetproctitle() - unsetenv("LD_BIND_NOW"); - unsetenv("DYLD_BIND_AT_LAUNCH"); - TDEApplication::loadedByKdeinit = true; - - d.maxname = strlen(argv[0]); - d.launcher_pid = 0; - d.wrapper = 0; - d.wrapper_old = 0; - d.debug_wait = false; - d.launcher_ok = false; - d.lt_dlopen_flag = lt_dlopen_flag; - lt_dlopen_flag |= LTDL_GLOBAL; - init_signals(); -#ifdef Q_WS_X11 - setupX(); -#endif - - if (keep_running) - { - /* - * Create ~/.trinity/tmp-<hostname>/tdeinit-<display> socket for incoming wrapper - * requests. - */ - init_tdeinit_socket(); - } - - if (launch_dcop) - { - if (d.suicide) - pid = launch( 3, "dcopserver", "--nosid\0--suicide" ); - else - pid = launch( 2, "dcopserver", "--nosid" ); -#ifndef NDEBUG - fprintf(stderr, "[tdeinit] Launched DCOPServer, pid = %ld result = %d\n", (long) pid, d.result); -#endif - WaitPid(pid); - if (!WIFEXITED(d.exit_status) || (WEXITSTATUS(d.exit_status) != 0)) - { - fprintf(stderr, "[tdeinit] DCOPServer could not be started, aborting.\n"); - exit(1); - } - } -#ifndef __CYGWIN__ - if (!d.suicide && !getenv("TDE_IS_PRELINKED")) - { - TQString konq = locate("lib", "libkonq.la", s_instance); - if (!konq.isEmpty()) - (void) lt_dlopen(TQFile::encodeName(konq).data()); - } -#endif - if (launch_tdelauncher) - { - if( new_startup ) - pid = launch( 2, "tdelauncher", "--new-startup" ); - else - pid = launch( 1, "tdelauncher", 0 ); -#ifndef NDEBUG - fprintf(stderr, "[tdeinit] Launched TDELauncher, pid = %ld result = %d\n", (long) pid, d.result); -#endif - handle_requests(pid); // Wait for tdelauncher to be ready - } - -#if defined Q_WS_X11 && ! defined K_WS_QTONLY -//#ifdef Q_WS_X11 - X11fd = initXconnection(); -#endif - - { -#if defined(TDEINIT_USE_XFT) && defined(TDEINIT_USE_FONTCONFIG) - if( FcGetVersion() < 20390 ) - { - XftInit(0); - XftInitFtLibrary(); - } -#endif - TQFont::initialize(); - setlocale (LC_ALL, ""); - setlocale (LC_NUMERIC, "C"); -#ifdef Q_WS_X11 - if (XSupportsLocale ()) - { - // Similar to TQApplication::create_xim() - // but we need to use our own display - XOpenIM (X11display, 0, 0, 0); - } -#endif - } - - if (launch_kded) - { - if( new_startup ) - pid = launch( 2, "kded", "--new-startup" ); - else - pid = launch( 1, "kded", 0 ); -#ifndef NDEBUG - fprintf(stderr, "[tdeinit] Launched KDED, pid = %ld result = %d\n", (long) pid, d.result); -#endif - handle_requests(pid); - } - - for(i = 1; i < argc; i++) - { - if (safe_argv[i][0] == '+') - { - pid = launch( 1, safe_argv[i]+1, 0); -#ifndef NDEBUG - fprintf(stderr, "[tdeinit] Launched '%s', pid = %ld result = %d\n", safe_argv[i]+1, (long) pid, d.result); -#endif - handle_requests(pid); - } - else if (safe_argv[i][0] == '-' -#ifdef TDEINIT_OOM_PROTECT - || isdigit(safe_argv[i][0]) -#endif - ) - { - // Ignore - } - else - { - pid = launch( 1, safe_argv[i], 0 ); -#ifndef NDEBUG - fprintf(stderr, "[tdeinit] Launched '%s', pid = %ld result = %d\n", safe_argv[i], (long) pid, d.result); -#endif - } - } - - /** Free arguments **/ - for(i = 0; i < argc; i++) - { - free(safe_argv[i]); - } - free (safe_argv); - - tdeinit_setproctitle("tdeinit Running..."); - - if (!keep_running) - return 0; - - char c = 0; - write(d.initpipe[1], &c, 1); // Kdeinit is started. - close(d.initpipe[1]); - d.initpipe[1] = -1; - - handle_requests(0); - - return 0; -} - |