}
if (user && !streq(user, "-")) {
- unsigned long lu;
- struct passwd *p;
-
- if (streq(user, "root") || streq(user, "0"))
- i->uid = 0;
- else if (safe_atolu(user, &lu) >= 0)
- i->uid = (uid_t) lu;
- else if ((p = getpwnam(user)))
- i->uid = p->pw_uid;
- else {
+ const char *u = user;
+
+ r = get_user_creds(&u, &i->uid, NULL, NULL);
+ if (r < 0) {
log_error("[%s:%u] Unknown user '%s'.", fname, line, user);
- r = -ENOENT;
goto finish;
}
}
if (group && !streq(group, "-")) {
- unsigned long lu;
- struct group *g;
-
- if (streq(group, "root") || streq(group, "0"))
- i->gid = 0;
- else if (safe_atolu(group, &lu) >= 0)
- i->gid = (gid_t) lu;
- else if ((g = getgrnam(group)))
- i->gid = g->gr_gid;
- else {
+ const char *g = group;
+
+ r = get_group_creds(&g, &i->gid);
+ if (r < 0) {
log_error("[%s:%u] Unknown group '%s'.", fname, line, group);
- r = -ENOENT;
goto finish;
}