samba/SOURCES/0158-s3-winbind-Replace-E_md5hash-with-GnuTLS-calls.patch
2021-09-10 04:12:26 +00:00

59 lines
1.9 KiB
Diff

From 89693b474a37c393ceb47afd668e8a96282a98b0 Mon Sep 17 00:00:00 2001
From: Andreas Schneider <asn@samba.org>
Date: Mon, 18 Nov 2019 10:28:59 +0100
Subject: [PATCH 158/187] s3:winbind: Replace E_md5hash() with GnuTLS calls
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14195
Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
(cherry picked from commit 4199d1040f09b5d95522d0cbdbaeec78b7d7b9a6)
---
source3/winbindd/winbindd_pam.c | 23 ++++++++++++++++++++++-
1 file changed, 22 insertions(+), 1 deletion(-)
diff --git a/source3/winbindd/winbindd_pam.c b/source3/winbindd/winbindd_pam.c
index c5b7c09b5c1..8946dd70f99 100644
--- a/source3/winbindd/winbindd_pam.c
+++ b/source3/winbindd/winbindd_pam.c
@@ -48,6 +48,9 @@
#include "param/param.h"
#include "messaging/messaging.h"
+#include "lib/crypto/gnutls_helpers.h"
+#include <gnutls/crypto.h>
+
#undef DBGC_CLASS
#define DBGC_CLASS DBGC_WINBIND
@@ -1086,7 +1089,25 @@ static NTSTATUS winbindd_dual_pam_auth_cached(struct winbindd_domain *domain,
/* In this case we didn't store the nt_hash itself,
but the MD5 combination of salt + nt_hash. */
uchar salted_hash[NT_HASH_LEN];
- E_md5hash(cached_salt, new_nt_pass, salted_hash);
+ gnutls_hash_hd_t hash_hnd = NULL;
+ int rc;
+
+ rc = gnutls_hash_init(&hash_hnd, GNUTLS_DIG_MD5);
+ if (rc < 0) {
+ return gnutls_error_to_ntstatus(rc, NT_STATUS_HASH_NOT_SUPPORTED);
+ }
+
+ rc = gnutls_hash(hash_hnd, cached_salt, 16);
+ if (rc < 0) {
+ gnutls_hash_deinit(hash_hnd, NULL);
+ return gnutls_error_to_ntstatus(rc, NT_STATUS_HASH_NOT_SUPPORTED);
+ }
+ rc = gnutls_hash(hash_hnd, new_nt_pass, 16);
+ if (rc < 0) {
+ gnutls_hash_deinit(hash_hnd, NULL);
+ return gnutls_error_to_ntstatus(rc, NT_STATUS_HASH_NOT_SUPPORTED);
+ }
+ gnutls_hash_deinit(hash_hnd, salted_hash);
password_good = (memcmp(cached_nt_pass, salted_hash,
NT_HASH_LEN) == 0);
--
2.23.0