toaruos/apps/live-session.c

60 lines
1.4 KiB
C

/**
* @brief live-session - Run live CD user session.
*
* Launches the general session manager as 'local', waits for the
* session to end, then launches the login manager.
*
* @copyright
* This file is part of ToaruOS and is released under the terms
* of the NCSA / University of Illinois License - see LICENSE.md
* Copyright (C) 2018 K. Lange
*/
#include <stdlib.h>
#include <stdio.h>
#include <unistd.h>
#include <errno.h>
#include <sys/wait.h>
#include <toaru/auth.h>
#include <toaru/yutani.h>
#include <toaru/trace.h>
#define TRACE_APP_NAME "live-session"
int main(int argc, char * argv[]) {
int pid;
if (geteuid() != 0) {
return 1;
}
int _session_pid = fork();
if (!_session_pid) {
toaru_set_credentials(1000);
char * args[] = {"/bin/session", NULL};
execvp(args[0], args);
return 1;
}
/* Dummy session for live-session prevents compositor from killing itself
* when the main session dies the first time. */
yutani_init();
do {
pid = wait(NULL);
} while ((pid > 0 && pid != _session_pid) || (pid == -1 && errno == EINTR));
TRACE("Live session has ended, launching graphical login.");
int _glogin_pid = fork();
if (!_glogin_pid) {
char * args[] = {"/bin/glogin",NULL};
execvp(args[0],args);
system("reboot");
}
do {
pid = wait(NULL);
} while ((pid > 0 && pid != _glogin_pid) || (pid == -1 && errno == EINTR));
return 0;
}