1 files changed, 8 insertions, 0 deletions
diff --git a/pinyweb/suid/piny-suid.c b/pinyweb/suid/piny-suid.c
index badc580..8df0046 100644
--- a/pinyweb/suid/piny-suid.c
+++ b/pinyweb/suid/piny-suid.c
@@ -1,6 +1,7 @@
 #define _GNU_SOURCE
 
 #include <errno.h>
+#include <grp.h>
 #include <pwd.h>
 #include <regex.h>
 #include <stdio.h>
@@ -92,6 +93,13 @@ int main( int argc, char *argv[] ) {
     return 1;
   };
 
+  if ( initgroups( argv[1], pwd->pw_gid ) != 0 ) {
+    err = errno;
+    syslog( LOG_ERR, "Unable to initgroups: %s, %s", argv[1], strerror( err ) );
+    fprintf( stderr, "Unable to initgroups: %s\n", strerror( err ) );
+    return 1;
+  };
+
   if ( setregid( pwd->pw_gid, pwd->pw_gid ) != 0 ) {
     err = errno;
     syslog( LOG_ERR, "Unable to change GID: %s, %s", argv[1], strerror( err ) );