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

   1 --- a/svr-chansession.c
   2 +++ b/svr-chansession.c
   3 @@ -889,12 +889,12 @@ static void execchild(void *user_data) {
   4         /* We can only change uid/gid as root ... */
   5         if (getuid() == 0) {
   6
   7 -               if ((setgid(ses.authstate.pw_gid) < 0) ||
   8 +               if ((ses.authstate.pw_gid != 0) && ((setgid(ses.authstate.pw_gid) < 0) ||
   9                         (initgroups(ses.authstate.pw_name,
  10 -                                               ses.authstate.pw_gid) < 0)) {
  11 +                                               ses.authstate.pw_gid) < 0))) {
  12                         dropbear_exit("Error changing user group");
  13                 }
  14 -               if (setuid(ses.authstate.pw_uid) < 0) {
  15 +               if ((ses.authstate.pw_uid != 0) && (setuid(ses.authstate.pw_uid) < 0)) {
  16                         dropbear_exit("Error changing user");
  17                 }
  18         } else {