X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;ds=sidebyside;f=lib%2Fdaemon.php;h=359a4343b5efc2a7a2e7f0557715b53dc1fecbcb;hb=8deac7248e7db35515d7810491f9136deffa3098;hp=0bda0272f4bbd20ef17c444dc13a17a5d1952396;hpb=65efe17c4e4b960ada6a46e28557aec18b9364c0;p=quix0rs-gnu-social.git

diff --git a/lib/daemon.php b/lib/daemon.php
index 0bda0272f4..359a4343b5 100644
--- a/lib/daemon.php
+++ b/lib/daemon.php
@@ -28,6 +28,7 @@ class Daemon {
 	function background() {
 		$pid = pcntl_fork();
 		if ($pid < 0) { # error
+			common_log(LOG_ERR, "Could not fork.");
 			return false;
 		} else if ($pid > 0) { # parent
 			common_log(LOG_INFO, "Successfully forked.");
@@ -63,12 +64,15 @@ class Daemon {
 			return false;
 		}
 		
-		file_put_contents($pidfilename, posix_getpid());
+	    return file_put_contents($pidfilename, posix_getpid() . "\n");
 	}
 
 	function clearPidFile() {
 		$pidfilename = $this->pidFilename();
-		unlink($pidfilename);
+	        if (!$pidfilename) {
+		    return false;
+		}
+	        return unlink($pidfilename);
 	}
 	
 	function pidFilename() {
@@ -85,16 +89,28 @@ 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']);
+			}
 		}
 	}