From c9ca0a32745a43eaa6cb6b7b460718de8ccb84f2 Mon Sep 17 00:00:00 2001 From: Denis Vlasenko Date: Mon, 18 Feb 2008 11:08:33 +0000 Subject: mount: recognize "dirsync" (closes bug 835) mount: sanitize environ if called by non-root *: adjust for slightly different sanitize routine --- libbb/login.c | 11 +++++++++-- 1 file changed, 9 insertions(+), 2 deletions(-) (limited to 'libbb/login.c') diff --git a/libbb/login.c b/libbb/login.c index 1af3165b9..d1f5d6498 100644 --- a/libbb/login.c +++ b/libbb/login.c @@ -116,12 +116,19 @@ static const char forbid[] ALIGN1 = "LD_NOWARN" "\0" "LD_KEEPDIR" "\0"; -void sanitize_env_for_suid(void) +int sanitize_env_if_suid(void) { - const char *p = forbid; + const char *p; + + if (getuid() == geteuid()) + return 0; + + p = forbid; do { unsetenv(p); p += strlen(p) + 1; } while (*p); putenv((char*)bb_PATH_root_path); + + return 1; /* we indeed were run by different user! */ } -- cgit v1.2.3