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s3:rpc_client: Use GnuTLS RC4 in init_samr_CryptPassword()

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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>
This commit is contained in:
Andreas Schneider 2019-01-16 13:15:08 +01:00 committed by Andrew Bartlett
parent 2075019ca9
commit 95db9a81db
1 changed files with 21 additions and 2 deletions
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23
source3/rpc_client/init_samr.c
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@ -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;
}