/*
* nodm - start X with autologin to a given user
*
* First, X is started as root, and nodm itself is used as the session.
*
* When run as the session, nodm performs a proper login to a given user and
* starts the X session.
*/
int main (int argc, char **argv)
{
static int opt_help = 0;
static int opt_version = 0;
static int opt_verbose = 0;
static int opt_quiet = 0;
static int opt_nested = 0;
static int opt_log_syslog = -1; // -1 for 'default'
static int opt_log_stderr = -1; // -1 for 'default'
static struct option options[] =
{
/* These options set a flag. */
{"help", no_argument, &opt_help, 1},
{"version", no_argument, &opt_version, 1},
{"verbose", no_argument, &opt_verbose, 1},
{"quiet", no_argument, &opt_quiet, 1},
{"nested", no_argument, &opt_nested, 1},
{"syslog", no_argument, &opt_log_syslog, 1},
{"stderr", no_argument, &opt_log_stderr, 1},
{"no-syslog", no_argument, &opt_log_syslog, 0},
{"no-stderr", no_argument, &opt_log_stderr, 0},
{0, 0, 0, 0}
};
// Parse command line options
while (1)
{
int option_index = 0;
int c = getopt_long(argc, argv, ":", options, &option_index);
if (c == -1) break;
switch (c)
{
case 0: break;
default:
fprintf(stderr, "Invalid command line option\n");
do_help(argc, argv, stderr);
return E_USAGE;
}
}
if (opt_help)
{
do_help(argc, argv, stdout);
return E_SUCCESS;
}
if (opt_version)
{
printf("%s version %s\n", NAME, VERSION);
return E_SUCCESS;
}
// We only run if we are root
if (!opt_nested && getuid() != 0)
{
fprintf(stderr, "%s: can only be run by root\n", basename(argv[0]));
return E_NOPERM;
}
// Setup logging
struct log_config cfg = {
.program_name = basename(argv[0]),
};
if (opt_quiet)
cfg.log_level = NODM_LL_WARN;
else if (opt_verbose)
cfg.log_level = NODM_LL_VERB;
else
cfg.log_level = NODM_LL_INFO;
if (opt_nested)
{
if (opt_log_syslog == -1) opt_log_syslog = 0;
if (opt_log_stderr == -1) opt_log_stderr = 1;
} else {
if (opt_log_syslog == -1) opt_log_syslog = 1;
if (opt_log_stderr == -1) opt_log_stderr = 0;
}
cfg.log_to_syslog = opt_log_syslog ? true : false;
cfg.log_to_stderr = opt_log_stderr ? true : false;
log_start(&cfg);
log_info("starting nodm");
// Setup the display manager
struct nodm_display_manager dm;
nodm_display_manager_init(&dm);
// Choose the default X server
const char* default_x_server = opt_nested ? "/usr/bin/Xnest :1" : "";
// Parse X server command line
int res = nodm_display_manager_parse_xcmdline(&dm,
getenv_with_default("NODM_X_OPTIONS", default_x_server));
if (res != E_SUCCESS) goto cleanup;
if (opt_nested)
{
// For nested servers, disable PAM, user change, ~/.xsession-error
// cleanup and VT allocation
dm.session.conf_use_pam = false;
dm.session.conf_cleanup_xse = false;
dm.session.conf_run_as[0] = 0;
dm.vt.conf_initial_vt = -1;
}
// Start the first session
res = nodm_display_manager_start(&dm);
if (res != E_SUCCESS) goto cleanup;
// Enter the wait/restart loop
res = nodm_display_manager_wait_restart_loop(&dm);
if (res != E_SUCCESS) goto cleanup;
cleanup:
nodm_display_manager_cleanup(&dm);
log_end();
return res;
}
void stest_get_conf_and_user(const char **conf, const char **user)
{
*conf = getenv_or_die("REDFISH_CONF");
*user = getenv_with_default("REDFISH_USER", STEST_DEFAULT_USER);
}