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path: root/package/network/services/dropbear/patches/110-change_user.patch
blob: f66b31910070727aef0b1e2e5621b03e11d89ae0 (plain)
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--- a/svr-chansession.c
+++ b/svr-chansession.c
@@ -950,12 +950,12 @@ static void execchild(const void *user_d
 	/* 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 {