From 46b3ebbb16b246b676e753220e8ea22a60d7d102 Mon Sep 17 00:00:00 2001
From: szaka <szaka>
Date: Fri, 11 Apr 2008 01:02:40 +0000
Subject: [PATCH] unprivileged mount may failed because suppl. groups were
 dropped too early

---
 libfuse-lite/fusermount.c | 15 +++++++--------
 1 file changed, 7 insertions(+), 8 deletions(-)

diff --git a/libfuse-lite/fusermount.c b/libfuse-lite/fusermount.c
index 5fdcad9c..c7964f01 100644
--- a/libfuse-lite/fusermount.c
+++ b/libfuse-lite/fusermount.c
@@ -54,13 +54,6 @@ static const char *get_user_name(void)
 
 int drop_privs(void)
 {
-	if (!geteuid()) {
-		if (setgroups(0, NULL) < 0) {
-			perror("priv drop: setgroups failed");
-			return -1;
-		}
-	}
-	
 	if (!getegid()) {
 
 		gid_t new_gid = getgid();
@@ -606,8 +599,14 @@ static int mount_fuse(const char *mnt, const char *opts)
 
     if (restore_privs())
 	goto err;
-    
+
     if (geteuid() == 0) {
+	
+	if (setgroups(0, NULL) == -1) {
+	    perror("priv drop: setgroups failed");
+	    goto err;
+	}
+	    
         res = add_mount(source, mnt, type, mnt_opts);
         if (res == -1) {
             umount2(mnt, 2); /* lazy umount */