/* Reset slurmdbd logging based upon configuration parameters */
static void _update_logging(bool startup)
{
/* Preserve execute line arguments (if any) */
if (debug_level) {
slurmdbd_conf->debug_level = MIN(
(LOG_LEVEL_INFO + debug_level),
(LOG_LEVEL_END - 1));
}
log_opts.stderr_level = slurmdbd_conf->debug_level;
log_opts.logfile_level = slurmdbd_conf->debug_level;
log_opts.syslog_level = slurmdbd_conf->debug_level;
if (foreground) {
log_opts.syslog_level = LOG_LEVEL_QUIET;
} else {
log_opts.stderr_level = LOG_LEVEL_QUIET;
if (!slurmdbd_conf->log_file &&
(slurmdbd_conf->syslog_debug == LOG_LEVEL_QUIET)) {
/* Insure fatal errors get logged somewhere */
log_opts.syslog_level = LOG_LEVEL_FATAL;
} else {
log_opts.syslog_level = slurmdbd_conf->syslog_debug;
}
}
log_alter(log_opts, SYSLOG_FACILITY_DAEMON, slurmdbd_conf->log_file);
log_set_timefmt(slurmdbd_conf->log_fmt);
if (startup && slurmdbd_conf->log_file) {
int rc;
gid_t slurm_user_gid;
slurm_user_gid = gid_from_uid(slurmdbd_conf->slurm_user_id);
rc = chown(slurmdbd_conf->log_file,
slurmdbd_conf->slurm_user_id, slurm_user_gid);
if (rc) {
error("chown(%s, %d, %d): %m",
slurmdbd_conf->log_file,
(int) slurmdbd_conf->slurm_user_id,
(int) slurm_user_gid);
}
}
debug("Log file re-opened");
}
static void _become_slurm_user(void)
{
gid_t slurm_user_gid;
/* Determine SlurmUser gid */
slurm_user_gid = gid_from_uid(slurmdbd_conf->slurm_user_id);
if (slurm_user_gid == (gid_t) -1) {
fatal("Failed to determine gid of SlurmUser(%u)",
slurmdbd_conf->slurm_user_id);
}
/* Initialize supplementary groups ID list for SlurmUser */
if (getuid() == 0) {
/* root does not need supplementary groups */
if ((slurmdbd_conf->slurm_user_id == 0) &&
(setgroups(0, NULL) != 0)) {
fatal("Failed to drop supplementary groups, "
"setgroups: %m");
} else if ((slurmdbd_conf->slurm_user_id != getuid()) &&
initgroups(slurmdbd_conf->slurm_user_name,
slurm_user_gid)) {
fatal("Failed to set supplementary groups, "
"initgroups: %m");
}
} else {
info("Not running as root. Can't drop supplementary groups");
}
/* Set GID to GID of SlurmUser */
if ((slurm_user_gid != getegid()) &&
(setgid(slurm_user_gid))) {
fatal("Failed to set GID to %d", slurm_user_gid);
}
/* Set UID to UID of SlurmUser */
if ((slurmdbd_conf->slurm_user_id != getuid()) &&
(setuid(slurmdbd_conf->slurm_user_id))) {
fatal("Can not set uid to SlurmUser(%u): %m",
slurmdbd_conf->slurm_user_id);
}
}
/*
* mcs_p_check_mcs_label() is called to check mcs_label.
*/
extern int mcs_p_check_mcs_label (uint32_t user_id, char *mcs_label)
{
int rc = SLURM_ERROR;
int i = 0;
gid_t gid;
gid_t slurm_user_gid;
uint32_t tmp_group ;
gid_t groups[MAX_GROUPS];
uint32_t group_id;
int ngroups = -1;
if (mcs_label != NULL) {
/* test if real unix group */
if (gid_from_string(mcs_label, &gid ) != 0)
return rc;
/* test if this group is owned by the user */
slurm_user_gid = gid_from_uid(user_id);
group_id = (uint32_t) slurm_user_gid;
rc = _get_user_groups(user_id, group_id, groups, MAX_GROUPS,
&ngroups);
if (rc) /* Failed to get groups */
return rc;
rc = SLURM_ERROR;
for (i = 0; i < ngroups; i++) {
tmp_group = (uint32_t) groups[i];
if (gid == tmp_group) {
rc = SLURM_SUCCESS;
break;
}
}
} else
rc = SLURM_SUCCESS;
return rc;
}
/* Reset slurmctld logging based upon configuration parameters */
static void _update_logging(bool startup)
{
/* Preserve execute line arguments (if any) */
if (debug_level) {
slurmdbd_conf->debug_level = MIN(
(LOG_LEVEL_INFO + debug_level),
(LOG_LEVEL_END - 1));
}
log_opts.stderr_level = slurmdbd_conf->debug_level;
log_opts.logfile_level = slurmdbd_conf->debug_level;
log_opts.syslog_level = slurmdbd_conf->debug_level;
if (foreground)
log_opts.syslog_level = LOG_LEVEL_QUIET;
else {
log_opts.stderr_level = LOG_LEVEL_QUIET;
if (slurmdbd_conf->log_file)
log_opts.syslog_level = LOG_LEVEL_QUIET;
}
log_alter(log_opts, SYSLOG_FACILITY_DAEMON, slurmdbd_conf->log_file);
if (startup && slurmdbd_conf->log_file) {
int rc;
gid_t slurm_user_gid;
slurm_user_gid = gid_from_uid(slurmdbd_conf->slurm_user_id);
rc = chown(slurmdbd_conf->log_file,
slurmdbd_conf->slurm_user_id, slurm_user_gid);
if (rc) {
error("chown(%s, %d, %d): %m",
slurmdbd_conf->log_file,
(int) slurmdbd_conf->slurm_user_id,
(int) slurm_user_gid);
}
}
}