diff options
Diffstat (limited to 'xrdpapi/xrdpapi.c')
| -rw-r--r-- | xrdpapi/xrdpapi.c | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/xrdpapi/xrdpapi.c b/xrdpapi/xrdpapi.c index 973deb48..610a8078 100644 --- a/xrdpapi/xrdpapi.c +++ b/xrdpapi/xrdpapi.c @@ -53,6 +53,9 @@ static int send_init(struct wts_obj *wts); static int can_send(int sck, int millis); static int can_recv(int sck, int millis); +static char g_xrdpapi_magic[12] = +{ 0x78, 0x32, 0x10, 0x67, 0x00, 0x92, 0x30, 0x56, 0xff, 0xd8, 0xa9, 0x1f }; + /* * Opens a handle to the server end of a specified virtual channel - this * call is deprecated - use WTSVirtualChannelOpenEx() instead @@ -163,6 +166,7 @@ WTSVirtualChannelWrite(void *hChannelHandle, const char *Buffer, { struct wts_obj *wts; int rv; + int header[4]; wts = (struct wts_obj *) hChannelHandle; @@ -185,7 +189,18 @@ WTSVirtualChannelWrite(void *hChannelHandle, const char *Buffer, return 0; /* can't write now, ok to try again */ } - rv = send(wts->fd, Buffer, Length, 0); + memcpy(header, g_xrdpapi_magic, 12); + header[3] = Length; + if (send(wts->fd, header, 16, 0) == 16) + { + rv = send(wts->fd, Buffer, Length, 0); + } + else + { + LLOGLN(0, ("WTSVirtualChannelWrite: header write failed")); + return -1; + } + LLOGLN(10, ("WTSVirtualChannelWrite: send() reted %d", rv)); if (rv >= 0) |