void
StartDisplay (struct display *d)
{
pid_t pid;
Debug ("StartDisplay %s\n", d->name);
LogInfo ("Starting X server on %s\n", d->name);
LoadServerResources (d);
if (d->authorize)
{
Debug ("SetLocalAuthorization %s, auth %s\n",
d->name, d->authNames[0]);
SetLocalAuthorization (d);
}
if (d->serverPid == -1 && !StartServer (d))
{
LogError ("Server for display %s can't be started, session disabled\n", d->name);
RemoveDisplay (d);
return;
}
if (!nofork_session)
pid = fork ();
else
pid = 0;
switch (pid)
{
case 0:
if (!nofork_session) {
CleanUpChild ();
(void) signal (SIGPIPE, SIG_IGN);
}
openlog("xenodm", LOG_PID, LOG_AUTHPRIV);
LoadSessionResources (d);
SetAuthorization (d);
if (!WaitForServer (d))
exit (OPENFAILED_DISPLAY);
SetWindowPath(d);
if (pledge("stdio rpath cpath wpath fattr flock proc dns inet unix exec prot_exec getpw id", NULL) != 0)
exit(OPENFAILED_DISPLAY);
ManageSession (d);
exit (REMANAGE_DISPLAY);
case -1:
break;
default:
Debug ("pid: %d\n", pid);
d->pid = pid;
d->status = running;
break;
}
}
void StartDisplay(struct display *d)
{
int pid;
WDMDebug("StartDisplay %s\n", d->name);
LoadServerResources(d);
if (d->displayType.location == Local) {
/* don't bother pinging local displays; we'll
* certainly notice when they exit
*/
d->pingInterval = 0;
if (d->authorize) {
WDMDebug("SetLocalAuthorization %s, auth %s\n", d->name, d->authNames[0]);
SetLocalAuthorization(d);
/*
* reset the server after writing the authorization information
* to make it read the file (for compatibility with old
* servers which read auth file only on reset instead of
* at first connection)
*/
if (d->serverPid != -1 && d->resetForAuth && d->resetSignal)
kill(d->serverPid, d->resetSignal);
}
if (d->serverPid == -1 && !StartServer(d)) {
WDMError("Server for display %s can't be started, session disabled\n", d->name);
RemoveDisplay(d);
return;
}
} else {
/* this will only happen when using XDMCP */
if (d->authorizations)
SaveServerAuthorizations(d, d->authorizations, d->authNum);
}
pid = fork();
switch (pid) {
case 0:
CleanUpChild();
LoadSessionResources(d);
SetAuthorization(d);
(void)Signal(SIGPIPE, SIG_IGN);
(void)Signal(SIGHUP, SIG_IGN);
if (!WaitForServer(d))
exit(OPENFAILED_DISPLAY);
#ifdef XDMCP
if (d->useChooser)
RunChooser(d);
else
#endif
ManageSession(d);
exit(REMANAGE_DISPLAY);
case -1:
break;
default:
WDMDebug("pid: %d\n", pid);
d->pid = pid;
d->status = running;
/* checking a predeclared X resource DisplayManager*wdmSequentialXServerLaunch here */
if (wdmSequentialXServerLaunch)
WaitForServer(d);
break;
}
}
void
StartDisplay (struct display *d)
{
pid_t pid;
Debug ("StartDisplay %s\n", d->name);
LogInfo ("Starting X server on %s\n", d->name);
LoadServerResources (d);
if (d->displayType.location == Local)
{
/* don't bother pinging local displays; we'll
* certainly notice when they exit
*/
d->pingInterval = 0;
if (d->authorize)
{
Debug ("SetLocalAuthorization %s, auth %s\n",
d->name, d->authNames[0]);
SetLocalAuthorization (d);
/*
* reset the server after writing the authorization information
* to make it read the file (for compatibility with old
* servers which read auth file only on reset instead of
* at first connection)
*/
if (d->serverPid != -1 && d->resetForAuth && d->resetSignal)
kill (d->serverPid, d->resetSignal);
}
if (d->serverPid == -1 && !StartServer (d))
{
LogError ("Server for display %s can't be started, session disabled\n", d->name);
RemoveDisplay (d);
return;
}
}
else
{
/* this will only happen when using XDMCP */
if (d->authorizations)
SaveServerAuthorizations (d, d->authorizations, d->authNum);
}
if (!nofork_session)
pid = fork ();
else
pid = 0;
switch (pid)
{
case 0:
if (!nofork_session) {
CleanUpChild ();
(void) Signal (SIGPIPE, SIG_IGN);
}
#ifdef USE_SYSLOG
openlog("xdm", LOG_PID, LOG_AUTHPRIV);
#endif
LoadSessionResources (d);
SetAuthorization (d);
if (!WaitForServer (d))
exit (OPENFAILED_DISPLAY);
SetWindowPath(d);
#ifdef XDMCP
if (d->useChooser)
RunChooser (d);
else
#endif
ManageSession (d);
exit (REMANAGE_DISPLAY);
case -1:
break;
default:
Debug ("pid: %d\n", pid);
d->pid = pid;
d->status = running;
break;
}
}
int App::StartServer() {
ServerPID = vfork();
static const int MAX_XSERVER_ARGS = 256;
static char* server[MAX_XSERVER_ARGS+2] = { NULL };
server[0] = (char *)cfg.getOption("default_xserver").c_str();
string argOption = cfg.getOption("xserver_arguments");
char* args = new char[argOption.length()+2]; // NULL plus vt
strcpy(args, argOption.c_str());
int argc = 1;
int pos = 0;
bool hasVtSet = false;
while (args[pos] != '\0') {
if (args[pos] == ' ' || args[pos] == '\t') {
*(args+pos) = '\0';
server[argc++] = args+pos+1;
} else if (pos == 0) {
server[argc++] = args+pos;
}
if (server[argc-1][0] == 'v' && server[argc-1][1] == 't') {
bool ok = false;
Cfg::string2int(server[argc-1]+2, &ok);
if (ok) {
hasVtSet = true;
}
}
++pos;
if (argc+1 >= MAX_XSERVER_ARGS) {
// ignore _all_ arguments to make sure the server starts at
// all
argc = 1;
break;
}
}
if (!hasVtSet && daemonmode) {
server[argc++] = "vt07";
}
server[argc] = NULL;
switch(ServerPID) {
case 0:
signal(SIGTTIN, SIG_IGN);
signal(SIGTTOU, SIG_IGN);
signal(SIGUSR1, SIG_IGN);
setpgid(0,getpid());
execvp(server[0], server);
cerr << APPNAME << ": X server could not be started" << endl;
exit(ERR_EXIT);
break;
case -1:
break;
default:
errno = 0;
if(!ServerTimeout(0, "")) {
ServerPID = -1;
break;
}
alarm(15);
pause();
alarm(0);
// Wait for server to start up
if(WaitForServer() == 0) {
cerr << APPNAME << ": unable to connect to X server" << endl;
StopServer();
ServerPID = -1;
exit(ERR_EXIT);
}
break;
}
delete args;
return ServerPID;
}
