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Diffstat (limited to 'release/src/router/busybox/libbb/change_identity.c')
-rw-r--r--release/src/router/busybox/libbb/change_identity.c25
1 files changed, 6 insertions, 19 deletions
diff --git a/release/src/router/busybox/libbb/change_identity.c b/release/src/router/busybox/libbb/change_identity.c
index c2b73eeb..619db09a 100644
--- a/release/src/router/busybox/libbb/change_identity.c
+++ b/release/src/router/busybox/libbb/change_identity.c
@@ -28,27 +28,14 @@
* SUCH DAMAGE.
*/
-#include <stdio.h>
-#include <errno.h>
-#include <unistd.h>
-#include <string.h>
-#include <stdlib.h>
-#include <syslog.h>
-#include <ctype.h>
-
#include "libbb.h"
-
/* Become the user and group(s) specified by PW. */
-void change_identity ( const struct passwd *pw )
+void FAST_FUNC change_identity(const struct passwd *pw)
{
- if ( initgroups ( pw-> pw_name, pw-> pw_gid ) == -1 )
- bb_perror_msg_and_die ( "cannot set groups" );
- endgrent ( );
-
- if ( setgid ( pw-> pw_gid ))
- bb_perror_msg_and_die ( "cannot set group id" );
- if ( setuid ( pw->pw_uid ))
- bb_perror_msg_and_die ( "cannot set user id" );
+ if (initgroups(pw->pw_name, pw->pw_gid) == -1)
+ bb_perror_msg_and_die("can't set groups");
+ endgrent(); /* helps to close a fd used internally by libc */
+ xsetgid(pw->pw_gid);
+ xsetuid(pw->pw_uid);
}
-