Centralise check if we're running as root.

git-svn-id: file:///home/lennart/svn/public/pulseaudio/trunk@1120 fefdeb5f-60dc-0310-8127-8f9354f1896f
This commit is contained in:
Pierre Ossman 2006-07-20 13:24:04 +00:00
parent 57d8a315ea
commit f3d4924473

View file

@ -314,7 +314,7 @@ int main(int argc, char *argv[]) {
char *s; char *s;
int r, retval = 1, d = 0; int r, retval = 1, d = 0;
int daemon_pipe[2] = { -1, -1 }; int daemon_pipe[2] = { -1, -1 };
int suid_root; int suid_root, real_root;
int valid_pid_file = 0; int valid_pid_file = 0;
#ifdef HAVE_GETUID #ifdef HAVE_GETUID
@ -331,13 +331,15 @@ int main(int argc, char *argv[]) {
pa_limit_caps(); pa_limit_caps();
#ifdef HAVE_GETUID #ifdef HAVE_GETUID
suid_root = getuid() != 0 && geteuid() == 0; real_root = getuid() == 0;
suid_root = !real_root && geteuid() == 0;
if (suid_root && (pa_own_uid_in_group(PA_REALTIME_GROUP, &gid) <= 0 || gid >= 1000)) { if (suid_root && (pa_own_uid_in_group(PA_REALTIME_GROUP, &gid) <= 0 || gid >= 1000)) {
pa_log_warn(__FILE__": WARNING: called SUID root, but not in group '"PA_REALTIME_GROUP"'."); pa_log_warn(__FILE__": WARNING: called SUID root, but not in group '"PA_REALTIME_GROUP"'.");
pa_drop_root(); pa_drop_root();
} }
#else #else
real_root = 0;
suid_root = 0; suid_root = 0;
#endif #endif
@ -434,10 +436,10 @@ int main(int argc, char *argv[]) {
assert(conf->cmd == PA_CMD_DAEMON); assert(conf->cmd == PA_CMD_DAEMON);
} }
if (getuid() == 0 && !conf->system_instance) { if (real_root && !conf->system_instance) {
pa_log(__FILE__": This program is not intended to be run as root (unless --system is specified)."); pa_log(__FILE__": This program is not intended to be run as root (unless --system is specified).");
goto finish; goto finish;
} else if (getuid() != 0 && conf->system_instance) { } else if (!real_root && conf->system_instance) {
pa_log(__FILE__": Root priviliges required."); pa_log(__FILE__": Root priviliges required.");
goto finish; goto finish;
} }