From: Ralph Boehme <slow@samba.org>
Date: Mon, 11 Jan 2021 15:50:31 +0000 (+0100)
Subject: winbind: check for allowed domains in winbindd_dual_pam_auth()
X-Git-Tag: samba-4.12.12~29
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=56d9705ca7618856e735447c4a54b256fdbbf5b5;p=thirdparty%2Fsamba.git

winbind: check for allowed domains in winbindd_dual_pam_auth()

BUG: https://bugzilla.samba.org/show_bug.cgi?id=14602

Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
(cherry picked from commit 4cefdf03fec91cdcf700922b1a5ceca02407e259)
---

diff --git a/source3/winbindd/winbindd_pam.c b/source3/winbindd/winbindd_pam.c
index a3d8716f781..79dc736ca0b 100644
--- a/source3/winbindd/winbindd_pam.c
+++ b/source3/winbindd/winbindd_pam.c
@@ -2404,6 +2404,15 @@ process_result:
 			goto done;
 		}
 
+		if (!is_allowed_domain(info3->base.logon_domain.string)) {
+			DBG_NOTICE("Authentication failed for user [%s] "
+				   "from firewalled domain [%s]\n",
+				   info3->base.account_name.string,
+				   info3->base.logon_domain.string);
+			result = NT_STATUS_AUTHENTICATION_FIREWALL_FAILED;
+			goto done;
+		}
+
 		result = append_auth_data(state->mem_ctx, state->response,
 					  state->request->flags,
 					  validation_level,