s3-rpc_client: make sure cli_rpc_pipe_open_schannel() does not always return NT_STATU...
[ira/wip.git] / source3 / rpc_client / init_samr.c
1 /*
2  *  Unix SMB/CIFS implementation.
3  *  RPC Pipe client / server routines
4  *  Copyright (C) Guenther Deschner                  2008.
5  *
6  *  This program is free software; you can redistribute it and/or modify
7  *  it under the terms of the GNU General Public License as published by
8  *  the Free Software Foundation; either version 3 of the License, or
9  *  (at your option) any later version.
10  *
11  *  This program is distributed in the hope that it will be useful,
12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14  *  GNU General Public License for more details.
15  *
16  *  You should have received a copy of the GNU General Public License
17  *  along with this program; if not, see <http://www.gnu.org/licenses/>.
18  */
19
20 #include "includes.h"
21 #include "../libcli/auth/libcli_auth.h"
22
23 /*************************************************************************
24  inits a samr_CryptPasswordEx structure
25  *************************************************************************/
26
27 void init_samr_CryptPasswordEx(const char *pwd,
28                                DATA_BLOB *session_key,
29                                struct samr_CryptPasswordEx *pwd_buf)
30 {
31         /* samr_CryptPasswordEx */
32
33         uchar pwbuf[532];
34         struct MD5Context md5_ctx;
35         uint8_t confounder[16];
36         DATA_BLOB confounded_session_key = data_blob(NULL, 16);
37
38         encode_pw_buffer(pwbuf, pwd, STR_UNICODE);
39
40         generate_random_buffer((uint8_t *)confounder, 16);
41
42         MD5Init(&md5_ctx);
43         MD5Update(&md5_ctx, confounder, 16);
44         MD5Update(&md5_ctx, session_key->data,
45                             session_key->length);
46         MD5Final(confounded_session_key.data, &md5_ctx);
47
48         arcfour_crypt_blob(pwbuf, 516, &confounded_session_key);
49         memcpy(&pwbuf[516], confounder, 16);
50
51         memcpy(pwd_buf->data, pwbuf, sizeof(pwbuf));
52         data_blob_free(&confounded_session_key);
53 }
54
55 /*************************************************************************
56  inits a samr_CryptPassword structure
57  *************************************************************************/
58
59 void init_samr_CryptPassword(const char *pwd,
60                              DATA_BLOB *session_key,
61                              struct samr_CryptPassword *pwd_buf)
62 {
63         /* samr_CryptPassword */
64
65         encode_pw_buffer(pwd_buf->data, pwd, STR_UNICODE);
66         arcfour_crypt_blob(pwd_buf->data, 516, session_key);
67 }