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xrdp-proprietary
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rail: implement TS_RAIL_ORDER_EXEC

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master
Jay Sorg 12 years ago
parent 536a8eea66
commit 02751f91a3
2 changed files with 136 additions and 9 deletions
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65
sesman/chansrv/chansrv.c
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@ -52,6 +52,11 @@ int g_rdpsnd_chan_id = -1; /* rdpsnd */
int g_rdpdr_chan_id = -1; /* rdpdr */
int g_rail_chan_id = -1; /* rail */
char* g_exec_name;
tbus g_exec_event;
tbus g_exec_mutex;
tbus g_exec_sem;
/*****************************************************************************/
/* returns error */
int APP_CC
@ -544,7 +549,20 @@ void DEFAULT_CC
nil_signal_handler(int sig)
{
LOGM((LOG_LEVEL_INFO, "nil_signal_handler: got signal %d", sig));
g_set_wait_obj(g_term_event);
}
/*****************************************************************************/
void DEFAULT_CC
child_signal_handler(int sig)
{
int i1;
LOG(10, ("child_signal_handler:"));
do
{
i1 = g_waitchild();
LOG(10, (" %d", i1));
} while (i1 >= 0);
}
/*****************************************************************************/
@ -609,6 +627,8 @@ main_cleanup(void)
{
g_delete_wait_obj(g_term_event);
g_delete_wait_obj(g_thread_done_event);
g_delete_wait_obj(g_exec_event);
tc_mutex_delete(g_exec_mutex);
g_deinit(); /* os_calls */
return 0;
}
@ -651,10 +671,35 @@ read_ini(void)
return 0;
}
/*****************************************************************************/
static int APP_CC
run_exec(void)
{
int pid;
LOG(10, ("run_exec:"));
pid = g_fork();
if (pid == 0)
{
trans_delete(g_con_trans);
g_close_wait_obj(g_term_event);
g_close_wait_obj(g_thread_done_event);
g_close_wait_obj(g_exec_event);
tc_mutex_delete(g_exec_mutex);
tc_sem_delete(g_exec_sem);
g_execlp3(g_exec_name, g_exec_name, 0);
g_exit(0);
}
tc_sem_inc(g_exec_sem);
return 0;
}
/*****************************************************************************/
int DEFAULT_CC
main(int argc, char** argv)
{
tbus waiters[4];
int pid = 0;
char text[256] = "";
char* display_text = (char *)NULL;
@ -696,6 +741,7 @@ main(int argc, char** argv)
g_signal_terminate(term_signal_handler); /* SIGTERM */
g_signal_user_interrupt(term_signal_handler); /* SIGINT */
g_signal_pipe(nil_signal_handler); /* SIGPIPE */
g_signal_child_stop(child_signal_handler); /* SIGCHLD */
display_text = g_getenv("DISPLAY");
LOGM((LOG_LEVEL_INFO, "main: DISPLAY env var set to %s", display_text));
get_display_num_from_display(display_text);
@ -709,14 +755,29 @@ main(int argc, char** argv)
g_term_event = g_create_wait_obj(text);
g_snprintf(text, 255, "xrdp_chansrv_%8.8x_thread_done", pid);
g_thread_done_event = g_create_wait_obj(text);
g_snprintf(text, 255, "xrdp_chansrv_%8.8x_exec", pid);
g_exec_event = g_create_wait_obj(text);
g_exec_mutex = tc_mutex_create();
g_exec_sem = tc_sem_create(0);
tc_thread_create(channel_thread_loop, 0);
while (g_term_event > 0 && !g_is_wait_obj_set(g_term_event))
{
if (g_obj_wait(&g_term_event, 1, 0, 0, 0) != 0)
waiters[0] = g_term_event;
waiters[1] = g_exec_event;
if (g_obj_wait(waiters, 2, 0, 0, 0) != 0)
{
LOGM((LOG_LEVEL_ERROR, "main: error, g_obj_wait failed"));
break;
}
if (g_is_wait_obj_set(g_term_event))
{
break;
}
if (g_is_wait_obj_set(g_exec_event))
{
g_reset_wait_obj(g_exec_event);
run_exec();
}
}
while (g_thread_done_event > 0 && !g_is_wait_obj_set(g_thread_done_event))
{

80
sesman/chansrv/rail.c
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@ -27,9 +27,14 @@
#include "xcommon.h"
#include "log.h"
#include "os_calls.h"
#include "thread_calls.h"
extern int g_rail_chan_id; /* in chansrv.c */
extern int g_display_num; /* in chansrv.c */
extern char* g_exec_name; /* in chansrv.c */
extern tbus g_exec_event; /* in chansrv.c */
extern tbus g_exec_mutex; /* in chansrv.c */
extern tbus g_exec_sem; /* in chansrv.c */
extern Display* g_display; /* in xcommon.c */
extern Screen* g_screen; /* in xcommon.c */
@ -206,15 +211,76 @@ rail_deinit(void)
return 0;
}
/*****************************************************************************/
static char* APP_CC
read_uni(struct stream* s, int num_chars)
{
twchar* rchrs;
char* rv;
int index;
int lchars;
rchrs = 0;
rv = 0;
if (num_chars > 0)
{
rchrs = (twchar*)g_malloc((num_chars + 1) * sizeof(twchar), 0);
for (index = 0; index < num_chars; index++)
{
in_uint16_le(s, rchrs[index]);
}
rchrs[num_chars] = 0;
lchars = g_wcstombs(0, rchrs, 0);
if (lchars > 0)
{
rv = (char*)g_malloc((lchars + 1) * 4, 0);
g_wcstombs(rv, rchrs, lchars);
rv[lchars] = 0;
}
}
g_free(rchrs);
return rv;
}
/*****************************************************************************/
static int APP_CC
rail_process_exec(struct stream* s, int size)
{
int pid;
int flags;
LOG(10, ("chansrv::rail_process_exec:"));
int ExeOrFileLength;
int WorkingDirLength;
int ArgumentsLen;
char* ExeOrFile;
char* WorkingDir;
char* Arguments;
LOG(0, ("chansrv::rail_process_exec:"));
in_uint16_le(s, flags);
LOG(10, (" flags 0x%8.8x", flags));
in_uint16_le(s, ExeOrFileLength);
in_uint16_le(s, WorkingDirLength);
in_uint16_le(s, ArgumentsLen);
ExeOrFile = read_uni(s, ExeOrFileLength);
WorkingDir = read_uni(s, WorkingDirLength);
Arguments = read_uni(s, ArgumentsLen);
LOG(10, (" flags 0x%8.8x ExeOrFileLength %d WorkingDirLength %d "
"ArgumentsLen %d ExeOrFile [%s] WorkingDir [%s] "
"Arguments [%s]", flags, ExeOrFileLength, WorkingDirLength,
ArgumentsLen, ExeOrFile, WorkingDir, Arguments));
if (g_strlen(ExeOrFile) > 0)
{
LOG(10, ("rail_process_exec: pre"));
/* ask main thread to fork */
tc_mutex_lock(g_exec_mutex);
g_exec_name = ExeOrFile;
g_set_wait_obj(g_exec_event);
tc_sem_dec(g_exec_sem);
tc_mutex_unlock(g_exec_mutex);
LOG(10, ("rail_process_exec: post"));
}
g_free(ExeOrFile);
g_free(WorkingDir);
g_free(Arguments);
return 0;
}
@ -231,9 +297,9 @@ rail_process_activate(struct stream* s, int size)
LOG(10, (" window_id 0x%8.8x enabled %d", window_id, enabled));
if (enabled)
{
LOG(0, ("chansrv::rail_process_activate: calling XRaiseWindow 0x%8.8x", window_id));
LOG(10, ("chansrv::rail_process_activate: calling XRaiseWindow 0x%8.8x", window_id));
XRaiseWindow(g_display, window_id);
LOG(0, ("chansrv::rail_process_activate: calling XSetInputFocus 0x%8.8x", window_id));
LOG(10, ("chansrv::rail_process_activate: calling XSetInputFocus 0x%8.8x", window_id));
XSetInputFocus(g_display, window_id, RevertToParent, CurrentTime);
}
return 0;
@ -354,13 +420,13 @@ rail_process_window_move(struct stream* s, int size)
int right;
int bottom;
LOG(0, ("chansrv::rail_process_window_move:"));
LOG(10, ("chansrv::rail_process_window_move:"));
in_uint32_le(s, window_id);
in_uint16_le(s, left);
in_uint16_le(s, top);
in_uint16_le(s, right);
in_uint16_le(s, bottom);
LOG(0, (" window_id 0x%8.8x left %d top %d right %d bottom %d width %d height %d",
LOG(10, (" window_id 0x%8.8x left %d top %d right %d bottom %d width %d height %d",
window_id, left, top, right, bottom, right - left, bottom - top));
XMoveResizeWindow(g_display, window_id, left, top, right - left, bottom - top);
return 0;

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