/* called with the main thread */
static int APP_CC
session_reconnect_fork(int display, char *username)
{
int pid;
char text[256];
pid = g_fork();
if (pid == -1)
{
}
else if (pid == 0)
{
env_set_user(username, 0, display);
g_snprintf(text, 255, "%s/%s", XRDP_CFG_PATH, "reconnectwm.sh");
if (g_file_exist(text))
{
g_execlp3(text, g_cfg->default_wm, 0);
}
g_exit(0);
}
return display;
}
static int APP_CC
xrdp_listen_fork(struct xrdp_listen *self, struct trans *server_trans)
{
int pid;
struct xrdp_process *process;
pid = g_fork();
if (pid == 0)
{
/* child */
/* recreate some main globals */
xrdp_child_fork();
/* recreate the process done wait object, not used in fork mode */
/* close, don't delete this */
g_close_wait_obj(self->pro_done_event);
xrdp_listen_create_pro_done(self);
/* delete listener, child need not listen */
trans_delete(self->listen_trans);
self->listen_trans = 0;
/* new connect instance */
process = xrdp_process_create(self, 0);
process->server_trans = server_trans;
g_process = process;
xrdp_process_run(0);
xrdp_process_delete(process);
/* mark this process to exit */
g_set_term(1);
return 0;
}
/* parent */
trans_delete(server_trans);
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);
}
g_exec_pid = pid;
tc_sem_inc(g_exec_sem);
return 0;
}
/* called with the main thread */
static int APP_CC
session_start_fork(int width, int height, int bpp, char *username,
char *password, tbus data, tui8 type, char *domain,
char *program, char *directory, char *client_ip)
{
int display = 0;
int pid = 0;
int wmpid = 0;
int xpid = 0;
int i = 0;
char geometry[32];
char depth[32];
char screen[32];
char text[256];
char passwd_file[256];
char **pp1 = (char **)NULL;
struct session_chain *temp = (struct session_chain *)NULL;
struct list *xserver_params = (struct list *)NULL;
time_t ltime;
struct tm stime;
char execvpparams[2048];
/* initialize (zero out) local variables: */
g_memset(<ime, 0, sizeof(time_t));
g_memset(&stime, 0, sizeof(struct tm));
g_memset(geometry, 0, sizeof(char) * 32);
g_memset(depth, 0, sizeof(char) * 32);
g_memset(screen, 0, sizeof(char) * 32);
g_memset(text, 0, sizeof(char) * 256);
g_memset(passwd_file, 0, sizeof(char) * 256);
/* check to limit concurrent sessions */
if (g_session_count >= g_cfg->sess.max_sessions)
{
log_message(LOG_LEVEL_INFO, "max concurrent session limit "
"exceeded. login for user %s denied", username);
return 0;
}
temp = (struct session_chain *)g_malloc(sizeof(struct session_chain), 0);
if (temp == 0)
{
log_message(LOG_LEVEL_ERROR, "cannot create new chain "
"element - user %s", username);
return 0;
}
temp->item = (struct session_item *)g_malloc(sizeof(struct session_item), 0);
if (temp->item == 0)
{
g_free(temp);
log_message(LOG_LEVEL_ERROR, "cannot create new session "
"item - user %s", username);
return 0;
}
display = session_get_aval_display_from_chain();
if (display == 0)
{
g_free(temp->item);
g_free(temp);
return 0;
}
pid = g_fork();
if (pid == -1)
{
}
else if (pid == 0) /* child sesman */
{
g_tcp_close(g_sck);
g_tcp_close(g_thread_sck);
auth_start_session(data, display);
g_sprintf(geometry, "%dx%d", width, height);
g_sprintf(depth, "%d", bpp);
g_sprintf(screen, ":%d", display);
wmpid = g_fork();
if (wmpid == -1)
{
}
else if (wmpid == 0) /* child (child sesman) xserver */
{
wait_for_xserver(display);
env_set_user(username, 0, display);
if (x_server_running(display))
{
auth_set_env(data);
if (directory != 0)
{
if (directory[0] != 0)
{
g_set_current_dir(directory);
}
}
if (program != 0)
{
if (program[0] != 0)
{
g_execlp3(program, program, 0);
log_message(LOG_LEVEL_ALWAYS,
"error starting program %s for user %s - pid %d",
program, username, g_getpid());
}
}
/* try to execute user window manager if enabled */
if (g_cfg->enable_user_wm)
{
g_sprintf(text, "%s/%s", g_getenv("HOME"), g_cfg->user_wm);
if (g_file_exist(text))
{
g_execlp3(text, g_cfg->user_wm, 0);
log_message(LOG_LEVEL_ALWAYS, "error starting user "
"wm for user %s - pid %d", username, g_getpid());
/* logging parameters */
log_message(LOG_LEVEL_DEBUG, "errno: %d, "
"description: %s", errno, g_get_strerror());
log_message(LOG_LEVEL_DEBUG, "execlp3 parameter "
"list:");
log_message(LOG_LEVEL_DEBUG, " argv[0] = %s",
text);
log_message(LOG_LEVEL_DEBUG, " argv[1] = %s",
g_cfg->user_wm);
}
}
/* if we're here something happened to g_execlp3
so we try running the default window manager */
g_sprintf(text, "%s/%s", XRDP_CFG_PATH, g_cfg->default_wm);
g_execlp3(text, g_cfg->default_wm, 0);
log_message( LOG_LEVEL_ALWAYS, "error starting default "
"wm for user %s - pid %d", username, g_getpid());
/* logging parameters */
log_message( LOG_LEVEL_DEBUG, "errno: %d, description: "
"%s", errno, g_get_strerror());
log_message(LOG_LEVEL_DEBUG, "execlp3 parameter list:");
log_message(LOG_LEVEL_DEBUG, " argv[0] = %s",
text);
log_message(LOG_LEVEL_DEBUG, " argv[1] = %s",
g_cfg->default_wm);
/* still a problem starting window manager just start xterm */
g_execlp3("xterm", "xterm", 0);
/* should not get here */
log_message(LOG_LEVEL_ALWAYS, "error starting xterm "
"for user %s - pid %d", username, g_getpid());
/* logging parameters */
log_message(LOG_LEVEL_DEBUG, "errno: %d, description: "
"%s", errno, g_get_strerror());
}
else
{
log_message(LOG_LEVEL_ERROR, "another Xserver might "
"already be active on display %d - see log", display);
}
log_message(LOG_LEVEL_DEBUG, "aborting connection...");
g_exit(0);
}
else /* parent (child sesman) */
{
xpid = g_fork();
if (xpid == -1)
{
}
else if (xpid == 0) /* child */
{
env_set_user(username, passwd_file, display);
env_check_password_file(passwd_file, password);
if (type == SESMAN_SESSION_TYPE_XVNC)
{
xserver_params = list_create();
xserver_params->auto_free = 1;
/* these are the must have parameters */
list_add_item(xserver_params, (long)g_strdup("Xvnc"));
list_add_item(xserver_params, (long)g_strdup(screen));
list_add_item(xserver_params, (long)g_strdup("-geometry"));
list_add_item(xserver_params, (long)g_strdup(geometry));
list_add_item(xserver_params, (long)g_strdup("-depth"));
list_add_item(xserver_params, (long)g_strdup(depth));
list_add_item(xserver_params, (long)g_strdup("-rfbauth"));
list_add_item(xserver_params, (long)g_strdup(passwd_file));
/* additional parameters from sesman.ini file */
//config_read_xserver_params(SESMAN_SESSION_TYPE_XVNC,
// xserver_params);
list_append_list_strdup(g_cfg->vnc_params, xserver_params, 0);
/* make sure it ends with a zero */
list_add_item(xserver_params, 0);
pp1 = (char **)xserver_params->items;
log_message(LOG_LEVEL_INFO, "Xvnc start:%s", dumpItemsToString(xserver_params, execvpparams, 2048));
g_execvp("Xvnc", pp1);
}
else if (type == SESMAN_SESSION_TYPE_XRDP)
{
xserver_params = list_create();
xserver_params->auto_free = 1;
/* these are the must have parameters */
list_add_item(xserver_params, (long)g_strdup("X11rdp"));
list_add_item(xserver_params, (long)g_strdup(screen));
list_add_item(xserver_params, (long)g_strdup("-geometry"));
list_add_item(xserver_params, (long)g_strdup(geometry));
list_add_item(xserver_params, (long)g_strdup("-depth"));
list_add_item(xserver_params, (long)g_strdup(depth));
/* additional parameters from sesman.ini file */
//config_read_xserver_params(SESMAN_SESSION_TYPE_XRDP,
// xserver_params);
list_append_list_strdup(g_cfg->rdp_params, xserver_params, 0);
/* make sure it ends with a zero */
list_add_item(xserver_params, 0);
pp1 = (char **)xserver_params->items;
log_message(LOG_LEVEL_INFO, "X11rdp start:%s", dumpItemsToString(xserver_params, execvpparams, 2048));
g_execvp("X11rdp", pp1);
}
else
{
log_message(LOG_LEVEL_ALWAYS, "bad session type - "
"user %s - pid %d", username, g_getpid());
g_exit(1);
}
/* should not get here */
log_message(LOG_LEVEL_ALWAYS, "error starting X server "
"- user %s - pid %d", username, g_getpid());
/* logging parameters */
log_message(LOG_LEVEL_DEBUG, "errno: %d, description: "
"%s", errno, g_get_strerror());
log_message(LOG_LEVEL_DEBUG, "execve parameter list size: "
"%d", (xserver_params)->count);
for (i = 0; i < (xserver_params->count); i++)
{
log_message(LOG_LEVEL_DEBUG, " argv[%d] = %s",
i, (char *)list_get_item(xserver_params, i));
}
list_delete(xserver_params);
g_exit(1);
}
else /* parent (child sesman)*/
{
wait_for_xserver(display);
g_snprintf(text, 255, "%d", display);
g_setenv("XRDP_SESSVC_DISPLAY", text, 1);
g_snprintf(text, 255, ":%d.0", display);
g_setenv("DISPLAY", text, 1);
/* new style waiting for clients */
session_start_sessvc(xpid, wmpid, data, username, display);
}
}
}
else /* parent sesman process */
{
temp->item->pid = pid;
temp->item->display = display;
temp->item->width = width;
temp->item->height = height;
temp->item->bpp = bpp;
temp->item->data = data;
g_strncpy(temp->item->client_ip, client_ip, 255); /* store client ip data */
g_strncpy(temp->item->name, username, 255);
ltime = g_time1();
localtime_r(<ime, &stime);
temp->item->connect_time.year = (tui16)(stime.tm_year + 1900);
temp->item->connect_time.month = (tui8)stime.tm_mon;
temp->item->connect_time.day = (tui8)stime.tm_mday;
temp->item->connect_time.hour = (tui8)stime.tm_hour;
temp->item->connect_time.minute = (tui8)stime.tm_min;
zero_time(&(temp->item->disconnect_time));
zero_time(&(temp->item->idle_time));
temp->item->type = type;
temp->item->status = SESMAN_SESSION_STATUS_ACTIVE;
temp->next = g_sessions;
g_sessions = temp;
g_session_count++;
}
return display;
}
int DEFAULT_CC
main(int argc, char **argv)
{
int test;
int host_be;
#if defined(_WIN32)
WSADATA w;
SC_HANDLE sc_man;
SC_HANDLE sc_ser;
int run_as_service;
SERVICE_TABLE_ENTRY te[2];
#else
int pid;
int fd;
int no_daemon;
char text[256];
char pid_file[256];
#endif
g_init();
ssl_init();
/* check compiled endian with actual endian */
test = 1;
host_be = !((int)(*(unsigned char *)(&test)));
#if defined(B_ENDIAN)
if (!host_be)
#endif
#if defined(L_ENDIAN)
if (host_be)
#endif
{
g_writeln("endian wrong, edit arch.h");
return 0;
}
/* check long, int and void* sizes */
if (sizeof(int) != 4)
{
g_writeln("unusable int size, must be 4");
return 0;
}
if (sizeof(long) != sizeof(void *))
{
g_writeln("long size must match void* size");
return 0;
}
if (sizeof(long) != 4 && sizeof(long) != 8)
{
g_writeln("unusable long size, must be 4 or 8");
return 0;
}
if (sizeof(tui64) != 8)
{
g_writeln("unusable tui64 size, must be 8");
return 0;
}
#if defined(_WIN32)
run_as_service = 1;
if (argc == 2)
{
if (g_strncasecmp(argv[1], "-help", 255) == 0 ||
g_strncasecmp(argv[1], "--help", 255) == 0 ||
g_strncasecmp(argv[1], "-h", 255) == 0)
{
g_writeln("");
g_writeln("xrdp: A Remote Desktop Protocol server.");
g_writeln("Copyright (C) Jay Sorg 2004-2011");
g_writeln("See http://xrdp.sourceforge.net for more information.");
g_writeln("");
g_writeln("Usage: xrdp [options]");
g_writeln(" -h: show help");
g_writeln(" -install: install service");
g_writeln(" -remove: remove service");
g_writeln("");
g_exit(0);
}
else if (g_strncasecmp(argv[1], "-install", 255) == 0 ||
g_strncasecmp(argv[1], "--install", 255) == 0 ||
g_strncasecmp(argv[1], "-i", 255) == 0)
{
/* open service manager */
sc_man = OpenSCManager(0, 0, GENERIC_WRITE);
if (sc_man == 0)
{
g_writeln("error OpenSCManager, do you have rights?");
g_exit(0);
}
/* check if service is allready installed */
sc_ser = OpenService(sc_man, "xrdp", SERVICE_ALL_ACCESS);
if (sc_ser == 0)
{
/* install service */
CreateService(sc_man, "xrdp", "xrdp", SERVICE_ALL_ACCESS,
SERVICE_WIN32_OWN_PROCESS, SERVICE_DEMAND_START,
SERVICE_ERROR_IGNORE, "c:\\temp\\xrdp\\xrdp.exe",
0, 0, 0, 0, 0);
}
else
{
g_writeln("error service is allready installed");
CloseServiceHandle(sc_ser);
CloseServiceHandle(sc_man);
g_exit(0);
}
CloseServiceHandle(sc_man);
g_exit(0);
}
else if (g_strncasecmp(argv[1], "-remove", 255) == 0 ||
g_strncasecmp(argv[1], "--remove", 255) == 0 ||
g_strncasecmp(argv[1], "-r", 255) == 0)
{
/* open service manager */
sc_man = OpenSCManager(0, 0, GENERIC_WRITE);
if (sc_man == 0)
{
g_writeln("error OpenSCManager, do you have rights?");
g_exit(0);
}
/* check if service is allready installed */
sc_ser = OpenService(sc_man, "xrdp", SERVICE_ALL_ACCESS);
if (sc_ser == 0)
{
g_writeln("error service is not installed");
CloseServiceHandle(sc_man);
g_exit(0);
}
DeleteService(sc_ser);
CloseServiceHandle(sc_man);
g_exit(0);
}
else
{
g_writeln("Unknown Parameter");
g_writeln("xrdp -h for help");
g_writeln("");
g_exit(0);
}
}
else if (argc > 1)
{
g_writeln("Unknown Parameter");
g_writeln("xrdp -h for help");
g_writeln("");
g_exit(0);
}
if (run_as_service)
{
g_memset(&te, 0, sizeof(te));
te[0].lpServiceName = "xrdp";
te[0].lpServiceProc = MyServiceMain;
StartServiceCtrlDispatcher(&te);
g_exit(0);
}
WSAStartup(2, &w);
#else /* _WIN32 */
g_snprintf(pid_file, 255, "%s/xrdp.pid", XRDP_PID_PATH);
no_daemon = 0;
if (argc == 2)
{
if ((g_strncasecmp(argv[1], "-kill", 255) == 0) ||
(g_strncasecmp(argv[1], "--kill", 255) == 0) ||
(g_strncasecmp(argv[1], "-k", 255) == 0))
{
g_writeln("stopping xrdp");
/* read the xrdp.pid file */
fd = -1;
if (g_file_exist(pid_file)) /* xrdp.pid */
{
fd = g_file_open(pid_file); /* xrdp.pid */
}
if (fd == -1)
{
g_writeln("problem opening to xrdp.pid");
g_writeln("maybe its not running");
}
else
{
g_memset(text, 0, 32);
g_file_read(fd, text, 31);
pid = g_atoi(text);
g_writeln("stopping process id %d", pid);
if (pid > 0)
{
g_sigterm(pid);
}
g_file_close(fd);
}
g_exit(0);
}
else if (g_strncasecmp(argv[1], "-nodaemon", 255) == 0 ||
g_strncasecmp(argv[1], "--nodaemon", 255) == 0 ||
g_strncasecmp(argv[1], "-nd", 255) == 0 ||
g_strncasecmp(argv[1], "--nd", 255) == 0 ||
g_strncasecmp(argv[1], "-ns", 255) == 0 ||
g_strncasecmp(argv[1], "--ns", 255) == 0)
{
no_daemon = 1;
}
else if (g_strncasecmp(argv[1], "-help", 255) == 0 ||
g_strncasecmp(argv[1], "--help", 255) == 0 ||
g_strncasecmp(argv[1], "-h", 255) == 0)
{
g_writeln("");
g_writeln("xrdp: A Remote Desktop Protocol server.");
g_writeln("Copyright (C) Jay Sorg 2004-2011");
g_writeln("See http://xrdp.sourceforge.net for more information.");
g_writeln("");
g_writeln("Usage: xrdp [options]");
g_writeln(" -h: show help");
g_writeln(" -nodaemon: don't fork into background");
g_writeln(" -kill: shut down xrdp");
g_writeln("");
g_exit(0);
}
else if ((g_strncasecmp(argv[1], "-v", 255) == 0) ||
(g_strncasecmp(argv[1], "--version", 255) == 0))
{
g_writeln("");
g_writeln("xrdp: A Remote Desktop Protocol server.");
g_writeln("Copyright (C) Jay Sorg 2004-2011");
g_writeln("See http://xrdp.sourceforge.net for more information.");
g_writeln("Version %s", PACKAGE_VERSION);
g_writeln("");
g_exit(0);
}
else
{
g_writeln("Unknown Parameter");
g_writeln("xrdp -h for help");
g_writeln("");
g_exit(0);
}
}
else if (argc > 1)
{
g_writeln("Unknown Parameter");
g_writeln("xrdp -h for help");
g_writeln("");
g_exit(0);
}
if (g_file_exist(pid_file)) /* xrdp.pid */
{
g_writeln("It looks like xrdp is allready running,");
g_writeln("if not delete the xrdp.pid file and try again");
g_exit(0);
}
if (!no_daemon)
{
/* make sure we can write to pid file */
fd = g_file_open(pid_file); /* xrdp.pid */
if (fd == -1)
{
g_writeln("running in daemon mode with no access to pid files, quitting");
g_exit(0);
}
if (g_file_write(fd, "0", 1) == -1)
{
g_writeln("running in daemon mode with no access to pid files, quitting");
g_exit(0);
}
g_file_close(fd);
g_file_delete(pid_file);
}
if (!no_daemon)
{
/* start of daemonizing code */
pid = g_fork();
if (pid == -1)
{
g_writeln("problem forking");
g_exit(1);
}
if (0 != pid)
{
g_writeln("process %d started ok", pid);
/* exit, this is the main process */
g_exit(0);
}
g_sleep(1000);
g_file_close(0);
g_file_close(1);
g_file_close(2);
g_file_open("/dev/null");
g_file_open("/dev/null");
g_file_open("/dev/null");
/* end of daemonizing code */
}
if (!no_daemon)
{
/* write the pid to file */
pid = g_getpid();
fd = g_file_open(pid_file); /* xrdp.pid */
if (fd == -1)
{
g_writeln("trying to write process id to xrdp.pid");
g_writeln("problem opening xrdp.pid");
g_writeln("maybe no rights");
}
else
{
g_sprintf(text, "%d", pid);
g_file_write(fd, text, g_strlen(text));
g_file_close(fd);
}
}
#endif
g_threadid = tc_get_threadid();
g_listen = xrdp_listen_create();
g_signal_user_interrupt(xrdp_shutdown); /* SIGINT */
g_signal_kill(xrdp_shutdown); /* SIGKILL */
g_signal_pipe(pipe_sig); /* SIGPIPE */
g_signal_terminate(xrdp_shutdown); /* SIGTERM */
g_sync_mutex = tc_mutex_create();
g_sync1_mutex = tc_mutex_create();
pid = g_getpid();
g_snprintf(text, 255, "xrdp_%8.8x_main_term", pid);
g_term_event = g_create_wait_obj(text);
g_snprintf(text, 255, "xrdp_%8.8x_main_sync", pid);
g_sync_event = g_create_wait_obj(text);
if (g_term_event == 0)
{
g_writeln("error creating g_term_event");
}
xrdp_listen_main_loop(g_listen);
xrdp_listen_delete(g_listen);
tc_mutex_delete(g_sync_mutex);
tc_mutex_delete(g_sync1_mutex);
g_delete_wait_obj(g_term_event);
g_delete_wait_obj(g_sync_event);
#if defined(_WIN32)
/* I don't think it ever gets here */
/* when running in win32 app mode, control c exits right away */
WSACleanup();
#else
/* delete the xrdp.pid file */
g_file_delete(pid_file);
#endif
return 0;
}
int DEFAULT_CC
main(int argc, char **argv)
{
int fd;
enum logReturns log_error;
int error;
int daemon = 1;
int pid;
char pid_s[32];
char text[256];
char pid_file[256];
char cfg_file[256];
g_init("xrdp-sesman");
g_snprintf(pid_file, 255, "%s/xrdp-sesman.pid", XRDP_PID_PATH);
if (1 == argc)
{
/* no options on command line. normal startup */
g_printf("starting sesman...\n");
daemon = 1;
}
else if ((2 == argc) && ((0 == g_strcasecmp(argv[1], "--nodaemon")) ||
(0 == g_strcasecmp(argv[1], "-nodaemon")) ||
(0 == g_strcasecmp(argv[1], "-n")) ||
(0 == g_strcasecmp(argv[1], "-ns"))))
{
/* starts sesman not daemonized */
g_printf("starting sesman in foreground...\n");
daemon = 0;
}
else if ((2 == argc) && ((0 == g_strcasecmp(argv[1], "--help")) ||
(0 == g_strcasecmp(argv[1], "-help")) ||
(0 == g_strcasecmp(argv[1], "-h"))))
{
/* help screen */
g_printf("sesman - xrdp session manager\n\n");
g_printf("usage: sesman [command]\n\n");
g_printf("command can be one of the following:\n");
g_printf("-n, -ns, --nodaemon starts sesman in foreground\n");
g_printf("-k, --kill kills running sesman\n");
g_printf("-h, --help shows this help\n");
g_printf("if no command is specified, sesman is started in background");
g_deinit();
g_exit(0);
}
else if ((2 == argc) && ((0 == g_strcasecmp(argv[1], "--kill")) ||
(0 == g_strcasecmp(argv[1], "-kill")) ||
(0 == g_strcasecmp(argv[1], "-k"))))
{
/* killing running sesman */
/* check if sesman is running */
if (!g_file_exist(pid_file))
{
g_printf("sesman is not running (pid file not found - %s)\n", pid_file);
g_deinit();
g_exit(1);
}
fd = g_file_open(pid_file);
if (-1 == fd)
{
g_printf("error opening pid file[%s]: %s\n", pid_file, g_get_strerror());
return 1;
}
g_memset(pid_s, 0, sizeof(pid_s));
error = g_file_read(fd, pid_s, 31);
if (-1 == error)
{
g_printf("error reading pid file: %s\n", g_get_strerror());
g_file_close(fd);
g_deinit();
g_exit(error);
}
g_file_close(fd);
pid = g_atoi(pid_s);
error = g_sigterm(pid);
if (0 != error)
{
g_printf("error killing sesman: %s\n", g_get_strerror());
}
else
{
g_file_delete(pid_file);
}
g_deinit();
g_exit(error);
}
else
{
/* there's something strange on the command line */
g_printf("sesman - xrdp session manager\n\n");
g_printf("error: invalid command line\n");
g_printf("usage: sesman [ --nodaemon | --kill | --help ]\n");
g_deinit();
g_exit(1);
}
if (g_file_exist(pid_file))
{
g_printf("sesman is already running.\n");
g_printf("if it's not running, try removing ");
g_printf("%s", pid_file);
g_printf("\n");
g_deinit();
g_exit(1);
}
/* reading config */
g_cfg = g_new0(struct config_sesman, 1);
if (0 == g_cfg)
{
g_printf("error creating config: quitting.\n");
g_deinit();
g_exit(1);
}
//g_cfg->log.fd = -1; /* don't use logging before reading its config */
if (0 != config_read(g_cfg))
{
g_printf("error reading config: %s\nquitting.\n", g_get_strerror());
g_deinit();
g_exit(1);
}
g_snprintf(cfg_file, 255, "%s/sesman.ini", XRDP_CFG_PATH);
/* starting logging subsystem */
log_error = log_start(cfg_file, "xrdp-sesman");
if (log_error != LOG_STARTUP_OK)
{
switch (log_error)
{
case LOG_ERROR_MALLOC:
g_writeln("error on malloc. cannot start logging. quitting.");
break;
case LOG_ERROR_FILE_OPEN:
g_writeln("error opening log file [%s]. quitting.",
getLogFile(text, 255));
break;
default:
g_writeln("error");
break;
}
g_deinit();
g_exit(1);
}
/* libscp initialization */
scp_init();
if (daemon)
{
/* start of daemonizing code */
g_pid = g_fork();
if (0 != g_pid)
{
g_deinit();
g_exit(0);
}
g_file_close(0);
g_file_close(1);
g_file_close(2);
if (g_file_open("/dev/null") < 0)
{
}
if (g_file_open("/dev/null") < 0)
{
}
if (g_file_open("/dev/null") < 0)
{
}
}
/* signal handling */
g_pid = g_getpid();
/* old style signal handling is now managed synchronously by a
* separate thread. uncomment this block if you need old style
* signal handling and comment out thread_sighandler_start()
* going back to old style for the time being
* problem with the sigaddset functions in sig.c - jts */
#if 1
g_signal_hang_up(sig_sesman_reload_cfg); /* SIGHUP */
g_signal_user_interrupt(sig_sesman_shutdown); /* SIGINT */
g_signal_terminate(sig_sesman_shutdown); /* SIGTERM */
g_signal_child_stop(sig_sesman_session_end); /* SIGCHLD */
#endif
#if 0
thread_sighandler_start();
#endif
if (daemon)
{
/* writing pid file */
fd = g_file_open(pid_file);
if (-1 == fd)
{
log_message(LOG_LEVEL_ERROR,
"error opening pid file[%s]: %s",
pid_file, g_get_strerror());
log_end();
g_deinit();
g_exit(1);
}
g_sprintf(pid_s, "%d", g_pid);
g_file_write(fd, pid_s, g_strlen(pid_s));
g_file_close(fd);
}
/* start program main loop */
log_message(LOG_LEVEL_INFO,
"starting xrdp-sesman with pid %d", g_pid);
/* make sure the /tmp/.X11-unix directory exist */
if (!g_directory_exist("/tmp/.X11-unix"))
{
if (!g_create_dir("/tmp/.X11-unix"))
{
log_message(LOG_LEVEL_ERROR,
"sesman.c: error creating dir /tmp/.X11-unix");
}
g_chmod_hex("/tmp/.X11-unix", 0x1777);
}
g_snprintf(text, 255, "xrdp_sesman_%8.8x_main_term", g_pid);
g_term_event = g_create_wait_obj(text);
sesman_main_loop();
/* clean up PID file on exit */
if (daemon)
{
g_file_delete(pid_file);
}
g_delete_wait_obj(g_term_event);
if (!daemon)
{
log_end();
}
g_deinit();
return 0;
}
int main(int argc, char **argv)
{
int fd;
int pid;
int no_daemon;
char text[256];
char pid_file[256];
char cfg_file[256];
enum logReturns error;
xrdpStartupParams* startup_params;
g_init("xrdp");
g_snprintf(cfg_file, 255, "%s/xrdp.ini", XRDP_CFG_PATH);
/* starting logging subsystem */
error = log_start(cfg_file, "XRDP");
if (error != LOG_STARTUP_OK)
{
switch (error)
{
case LOG_ERROR_MALLOC:
g_writeln("error on malloc. cannot start logging. quitting.");
break;
case LOG_ERROR_FILE_OPEN:
g_writeln("error opening log file [%s]. quitting.", getLogFile(text, 255));
break;
default:
g_writeln("log_start error");
break;
}
g_deinit();
g_exit(1);
}
startup_params = (xrdpStartupParams *) g_malloc(sizeof(xrdpStartupParams), 1);
if (xrdp_process_params(argc, argv, startup_params) != 0)
{
g_writeln("Unknown Parameter");
g_writeln("xrdp -h for help");
g_writeln("");
g_deinit();
g_exit(0);
}
g_snprintf(pid_file, 255, "%s/xrdp-ng.pid", XRDP_PID_PATH);
no_daemon = 0;
if (startup_params->kill)
{
g_writeln("stopping xrdp");
/* read the xrdp.pid file */
fd = -1;
if (g_file_exist(pid_file)) /* xrdp-ng.pid */
{
fd = g_file_open(pid_file); /* xrdp-ng.pid */
}
if (fd == -1)
{
g_writeln("problem opening to xrdp-ng.pid [%s]", pid_file);
g_writeln("maybe its not running");
}
else
{
g_memset(text, 0, 32);
g_file_read(fd, (unsigned char*) text, 31);
pid = g_atoi(text);
g_writeln("stopping process id %d", pid);
if (pid > 0)
{
g_sigterm(pid);
}
g_file_close(fd);
}
g_deinit();
g_exit(0);
}
if (startup_params->no_daemon)
{
no_daemon = 1;
}
if (startup_params->help)
{
g_writeln("");
g_writeln("xrdp: A Remote Desktop Protocol server.");
g_writeln("Copyright (C) Jay Sorg 2004-2011");
g_writeln("See http://xrdp.sourceforge.net for more information.");
g_writeln("");
g_writeln("Usage: xrdp [options]");
g_writeln(" --help: show help");
g_writeln(" --nodaemon: don't fork into background");
g_writeln(" --kill: shut down xrdp");
g_writeln(" --port: tcp listen port");
g_writeln(" --fork: fork on new connection");
g_writeln("");
g_deinit();
g_exit(0);
}
if (startup_params->version)
{
g_writeln("");
g_writeln("xrdp: A Remote Desktop Protocol server.");
g_writeln("Copyright (C) Jay Sorg 2004-2011");
g_writeln("See http://xrdp.sourceforge.net for more information.");
g_writeln("Version %s", XRDP_NG_VERSION_FULL);
g_writeln("");
g_deinit();
g_exit(0);
}
if (g_file_exist(pid_file)) /* xrdp-ng.pid */
{
g_writeln("It looks like xrdp is already running,");
g_writeln("if not delete the xrdp-ng.pid file and try again");
g_deinit();
g_exit(0);
}
if (!no_daemon)
{
/* make sure containing directory exists */
g_create_path(pid_file);
/* make sure we can write to pid file */
fd = g_file_open(pid_file); /* xrdp-ng.pid */
if (fd == -1)
{
g_writeln("running in daemon mode with no access to pid files, quitting");
g_deinit();
g_exit(0);
}
if (g_file_write(fd, (unsigned char*) "0", 1) == -1)
{
g_writeln("running in daemon mode with no access to pid files, quitting");
g_deinit();
g_exit(0);
}
g_file_close(fd);
g_file_delete(pid_file);
}
if (!no_daemon)
{
/* start of daemonizing code */
pid = g_fork();
if (pid == -1)
{
g_writeln("problem forking");
g_deinit();
g_exit(1);
}
if (0 != pid)
{
g_writeln("process %d started ok", pid);
/* exit, this is the main process */
g_deinit();
g_exit(0);
}
g_sleep(1000);
/* write the pid to file */
pid = g_getpid();
fd = g_file_open(pid_file); /* xrdp-ng.pid */
if (fd == -1)
{
g_writeln("trying to write process id to xrdp-ng.pid");
g_writeln("problem opening xrdp-ng.pid");
g_writeln("maybe no rights");
}
else
{
g_sprintf(text, "%d", pid);
g_file_write(fd, (unsigned char*) text, g_strlen(text));
g_file_close(fd);
}
g_sleep(1000);
g_file_close(0);
g_file_close(1);
g_file_close(2);
g_file_open("/dev/null");
g_file_open("/dev/null");
g_file_open("/dev/null");
/* end of daemonizing code */
}
g_threadid = tc_get_threadid();
g_listen = xrdp_listen_create();
g_signal_user_interrupt(xrdp_shutdown); /* SIGINT */
g_signal_kill(xrdp_shutdown); /* SIGKILL */
g_signal_pipe(pipe_sig); /* SIGPIPE */
g_signal_terminate(xrdp_shutdown); /* SIGTERM */
g_signal_child_stop(xrdp_child); /* SIGCHLD */
g_sync_mutex = tc_mutex_create();
g_sync1_mutex = tc_mutex_create();
pid = g_getpid();
g_TermEvent = CreateEvent(NULL, TRUE, FALSE, NULL);
g_SyncEvent = CreateEvent(NULL, TRUE, FALSE, NULL);
xrdp_listen_main_loop(g_listen);
xrdp_listen_delete(g_listen);
tc_mutex_delete(g_sync_mutex);
tc_mutex_delete(g_sync1_mutex);
CloseHandle(g_TermEvent);
CloseHandle(g_SyncEvent);
/* only main process should delete pid file */
if ((!no_daemon) && (pid == g_getpid()))
{
/* delete the xrdp-ng.pid file */
g_file_delete(pid_file);
}
free(startup_params);
g_deinit();
return 0;
}
int DEFAULT_CC
main(int argc, char** argv)
{
int fd;
int error;
int daemon = 1;
int pid;
char pid_s[8];
if (1 == argc)
{
/* no options on command line. normal startup */
g_printf("starting sesman...\n");
daemon = 1;
}
else if ((2 == argc) && ((0 == g_strcasecmp(argv[1], "--nodaemon")) ||
(0 == g_strcasecmp(argv[1], "-n")) ) )
{
/* starts sesman not daemonized */
g_printf("starting sesman in foregroud...\n");
daemon = 0;
}
else if ((2 == argc) && ((0 == g_strcasecmp(argv[1], "--help")) ||
(0 == g_strcasecmp(argv[1], "-h"))))
{
/* help screen */
g_printf("sesman - xrdp session manager\n\n");
g_printf("usage: sesman [command]\n\n");
g_printf("command can be one of the following:\n");
g_printf("-n, --nodaemon starts sesman in foregroun\n");
g_printf("-k, --kill kills running sesman\n");
g_printf("-h, --help shows this help\n");
g_printf("if no command is specified, sesman is started in background");
g_exit(0);
}
else if ((2 == argc) && ((0 == g_strcasecmp(argv[1], "--kill")) ||
(0 == g_strcasecmp(argv[1], "-k"))))
{
/* killing running sesman */
/* check if sesman is running */
if (!g_file_exist(SESMAN_PID_FILE))
{
g_printf("sesman is not running (pid file not found - %s)\n",
SESMAN_PID_FILE);
g_exit(1);
}
fd = g_file_open(SESMAN_PID_FILE);
if (-1 == fd)
{
g_printf("error opening pid file: %s\n", g_get_strerror());
return 1;
}
error = g_file_read(fd, pid_s, 7);
if (-1 == error)
{
g_printf("error reading pid file: %s\n", g_get_strerror());
g_file_close(fd);
g_exit(error);
}
g_file_close(fd);
pid = g_atoi(pid_s);
error = g_sigterm(pid);
if (0 != error)
{
g_printf("error killing sesman: %s\n", g_get_strerror());
}
else
{
g_file_delete(SESMAN_PID_FILE);
}
g_exit(error);
}
else
{
/* there's something strange on the command line */
g_printf("sesman - xrdp session manager\n\n");
g_printf("error: invalid command line\n");
g_printf("usage: sesman [ --nodaemon | --kill | --help ]\n");
g_exit(1);
}
if (g_file_exist(SESMAN_PID_FILE))
{
g_printf("sesman is already running.\n");
g_printf("if it's not running, try removing ");
g_printf(SESMAN_PID_FILE);
g_printf("\n");
g_exit(1);
}
/* reading config */
g_cfg = g_malloc(sizeof(struct config_sesman), 1);
if (0 == g_cfg)
{
g_printf("error creating config: quitting.\n");
g_exit(1);
}
g_cfg->log.fd = -1; /* don't use logging before reading its config */
if (0 != config_read(g_cfg))
{
g_printf("error reading config: %s\nquitting.\n", g_get_strerror());
g_exit(1);
}
/* starting logging subsystem */
error = log_start(&(g_cfg->log));
if (error != LOG_STARTUP_OK)
{
switch (error)
{
case LOG_ERROR_MALLOC:
g_printf("error on malloc. cannot start logging. quitting.\n");
break;
case LOG_ERROR_FILE_OPEN:
g_printf("error opening log file. quitting.\n");
break;
}
g_exit(1);
}
/* libscp initialization */
scp_init(&(g_cfg->log));
if (daemon)
{
/* start of daemonizing code */
g_pid = g_fork();
if (0 != g_pid)
{
g_exit(0);
}
g_file_close(0);
g_file_close(1);
g_file_close(2);
g_file_open("/dev/null");
g_file_open("/dev/null");
g_file_open("/dev/null");
}
/* initializing locks */
lock_init();
/* signal handling */
g_pid = g_getpid();
/* old style signal handling is now managed synchronously by a
* separate thread. uncomment this block if you need old style
* signal handling and comment out thread_sighandler_start() */
/*
g_signal(1, sig_sesman_reload_cfg); / * SIGHUP * /
g_signal(2, sig_sesman_shutdown); / * SIGINT * /
g_signal(9, sig_sesman_shutdown); / * SIGKILL * /
g_signal(15, sig_sesman_shutdown); / * SIGTERM * /
g_signal_child_stop(cterm); / * SIGCHLD * /
*/
thread_sighandler_start();
/* writing pid file */
fd = g_file_open(SESMAN_PID_FILE);
if (-1 == fd)
{
log_message(&(g_cfg->log), LOG_LEVEL_ERROR, "error opening pid file: %s",
g_get_strerror());
log_end(&(g_cfg->log));
g_exit(1);
}
g_sprintf(pid_s, "%d", g_pid);
g_file_write(fd, pid_s, g_strlen(pid_s) + 1);
g_file_close(fd);
/* start program main loop */
log_message(&(g_cfg->log), LOG_LEVEL_ALWAYS, "starting sesman with pid %d", g_pid);
sesman_main_loop();
if (!daemon)
{
log_end(&(g_cfg->log));
}
return 0;
}