openwrt/package/network/services/dropbear/patches/110-change_user.patch

19 lines
650 B
Diff

--- a/svr-chansession.c
+++ b/svr-chansession.c
@@ -922,12 +922,12 @@ static void execchild(void *user_data) {
/* We can only change uid/gid as root ... */
if (getuid() == 0) {
- if ((setgid(ses.authstate.pw_gid) < 0) ||
+ if ((ses.authstate.pw_gid != 0) && ((setgid(ses.authstate.pw_gid) < 0) ||
(initgroups(ses.authstate.pw_name,
- ses.authstate.pw_gid) < 0)) {
+ ses.authstate.pw_gid) < 0))) {
dropbear_exit("Error changing user group");
}
- if (setuid(ses.authstate.pw_uid) < 0) {
+ if ((ses.authstate.pw_uid != 0) && (setuid(ses.authstate.pw_uid) < 0)) {
dropbear_exit("Error changing user");
}
} else {