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-rw-r--r--lib/daemon.php28
1 files changed, 20 insertions, 8 deletions
diff --git a/lib/daemon.php b/lib/daemon.php
index 0bda0272f..a7a49ce94 100644
--- a/lib/daemon.php
+++ b/lib/daemon.php
@@ -85,16 +85,28 @@ class Daemon {
function changeUser() {
- if (common_config('daemon', 'user')) {
- $user_info = posix_getpwnam(common_config('daemon', 'user'));
- common_log(LOG_INFO, "Setting user to " . common_config('daemon', 'user'));
- posix_setuid($user_info['uid']);
+ $username = common_config('daemon', 'user');
+
+ if ($username) {
+ $user_info = posix_getpwnam($username);
+ if (!$user_info) {
+ common_log(LOG_WARNING, 'Ignoring unknown user for daemon: ' . $username);
+ } else {
+ common_log(LOG_INFO, "Setting user to " . $username);
+ posix_setuid($user_info['uid']);
+ }
}
+
+ $groupname = common_config('daemon', 'group');
- if (common_config('daemon', 'group')) {
- $group_info = posix_getgrnam(common_config('daemon', 'group'));
- common_log(LOG_INFO, "Setting group to " . common_config('daemon', 'group'));
- posix_setgid($group_info['gid']);
+ if ($groupname) {
+ $group_info = posix_getgrnam($groupname);
+ if (!$group_info) {
+ common_log(LOG_WARNING, 'Ignoring unknown group for daemon: ' . $groupname);
+ } else {
+ common_log(LOG_INFO, "Setting group to " . $groupname);
+ posix_setgid($group_info['gid']);
+ }
}
}