samba/SOURCES/0013-s3-rpc_client-Use-GnuTLS-RC4-in-init_samr_CryptPassw.patch
2021-10-08 16:37:00 +00:00

66 lines
1.8 KiB
Diff

From 9913d8e981dd39fd1f7e260644f35aa6718c9bd2 Mon Sep 17 00:00:00 2001
From: Andreas Schneider <asn@samba.org>
Date: Wed, 16 Jan 2019 13:15:08 +0100
Subject: [PATCH 013/187] s3:rpc_client: Use GnuTLS RC4 in
init_samr_CryptPassword()
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14031
Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
(cherry picked from commit 95db9a81db093488e625b4ef385a184a5e517ede)
---
source3/rpc_client/init_samr.c | 23 +++++++++++++++++++++--
1 file changed, 21 insertions(+), 2 deletions(-)
diff --git a/source3/rpc_client/init_samr.c b/source3/rpc_client/init_samr.c
index 3968dfea99f..0eb50c54525 100644
--- a/source3/rpc_client/init_samr.c
+++ b/source3/rpc_client/init_samr.c
@@ -19,7 +19,6 @@
#include "includes.h"
#include "../libcli/auth/libcli_auth.h"
-#include "../lib/crypto/arcfour.h"
#include "rpc_client/init_samr.h"
#include "lib/crypto/gnutls_helpers.h"
@@ -77,13 +76,33 @@ NTSTATUS init_samr_CryptPassword(const char *pwd,
struct samr_CryptPassword *pwd_buf)
{
/* samr_CryptPassword */
+ gnutls_cipher_hd_t cipher_hnd = NULL;
+ gnutls_datum_t sess_key = {
+ .data = session_key->data,
+ .size = session_key->length,
+ };
bool ok;
+ int rc;
ok = encode_pw_buffer(pwd_buf->data, pwd, STR_UNICODE);
if (!ok) {
return NT_STATUS_INTERNAL_ERROR;
}
- arcfour_crypt_blob(pwd_buf->data, 516, session_key);
+
+ rc = gnutls_cipher_init(&cipher_hnd,
+ GNUTLS_CIPHER_ARCFOUR_128,
+ &sess_key,
+ NULL);
+ if (rc != 0) {
+ return gnutls_error_to_ntstatus(rc, NT_STATUS_ACCESS_DISABLED_BY_POLICY_OTHER);
+ }
+ rc = gnutls_cipher_encrypt(cipher_hnd,
+ pwd_buf->data,
+ 516);
+ gnutls_cipher_deinit(cipher_hnd);
+ if (rc != 0) {
+ return gnutls_error_to_ntstatus(rc, NT_STATUS_ACCESS_DISABLED_BY_POLICY_OTHER);
+ }
return NT_STATUS_OK;
}
--
2.23.0