PKGBUILDs/extra/cups/guid.patch

diff --git a/scheduler/cups-exec.c b/scheduler/cups-exec.c
index aab43a797..46c549075 100644
--- a/scheduler/cups-exec.c
+++ b/scheduler/cups-exec.c
@@ -133,8 +133,13 @@ main(int  argc,				/* I - Number of command-line args */
     if (setgid(gid))
       exit(errno + 100);
 
-    if (setgroups(1, &gid))
+#include <pwd.h>
+    struct passwd * pwd = getpwuid(uid);
+    if(initgroups(pwd->pw_name,pwd->pw_gid))
+    {
+      fprintf(stderr, "DEBUG: initgroups failed\n");
       exit(errno + 100);
+    }
 
     if (uid && setuid(uid))
       exit(errno + 100);
diff --git a/scheduler/util.c b/scheduler/util.c
index 19ebf069b..4638562bd 100644
--- a/scheduler/util.c
+++ b/scheduler/util.c
@@ -300,7 +300,16 @@ cupsdPipeCommand(int        *pid,	/* O - Process ID or 0 on error */
     */
 
     if (!getuid() && user)
-      setuid(user);			/* Run as restricted user */
+    {
+#include <pwd.h>
+      struct passwd * pwd = getpwuid(user);
+      if(initgroups(pwd->pw_name,pwd->pw_gid))
+      {
+        fprintf(stderr, "DEBUG: initgroups failed\n");
+        exit(errno + 100);
+      }
+      setuid(user); /* Run as restricted user */
+    }
 
     if ((fd = open("/dev/null", O_RDONLY)) > 0)
     {