2 Unix SMB/Netbios implementation.
4 NT Domain Authentication SMB / MSRPC client
5 Copyright (C) Andrew Tridgell 1994-1997
6 Copyright (C) Luke Kenneth Casson Leighton 1996-1997
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 2 of the License, or
11 (at your option) any later version.
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with this program; if not, write to the Free Software
20 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
26 extern int DEBUGLEVEL;
27 extern fstring global_myworkgroup;
28 extern pstring global_myname;
30 /****************************************************************************
31 Initialize domain session credentials.
32 ****************************************************************************/
34 BOOL cli_nt_setup_creds(struct cli_state *cli, unsigned char mach_pwd[16])
41 /******************* Request Challenge ********************/
43 generate_random_buffer( clnt_chal.data, 8, False);
45 /* send a client challenge; receive a server challenge */
46 if (!cli_net_req_chal(cli, &clnt_chal, &srv_chal))
48 DEBUG(0,("cli_nt_setup_creds: request challenge failed\n"));
52 /**************** Long-term Session key **************/
54 /* calculate the session key */
55 cred_session_key(&clnt_chal, &srv_chal, (char *)mach_pwd, cli->sess_key);
56 bzero(cli->sess_key+8, 8);
58 /******************* Authenticate 2 ********************/
60 /* calculate auth-2 credentials */
62 cred_create(cli->sess_key, &clnt_chal, zerotime, &(cli->clnt_cred.challenge));
65 * Send client auth-2 challenge.
66 * Receive an auth-2 challenge response and check it.
69 if (!cli_net_auth2(cli, SEC_CHAN_WKSTA, 0x000001ff, &srv_chal))
71 DEBUG(0,("cli_nt_setup_creds: auth2 challenge failed\n"));
78 /****************************************************************************
80 ****************************************************************************/
82 BOOL cli_nt_srv_pwset(struct cli_state *cli, unsigned char *new_hashof_mach_pwd)
84 unsigned char processed_new_pwd[16];
86 DEBUG(5,("cli_nt_login_interactive: %d\n", __LINE__));
89 dump_data(6, new_hashof_mach_pwd, 16);
92 /* Process the new password. */
93 cred_hash3( processed_new_pwd, new_hashof_mach_pwd, cli->sess_key, 1);
95 /* send client srv_pwset challenge */
96 return cli_net_srv_pwset(cli, processed_new_pwd);
99 /****************************************************************************
100 NT login - interactive.
101 *NEVER* use this code. This method of doing a logon (sending the cleartext
102 password equivalents, protected by the session key) is inherently insecure
103 given the current design of the NT Domain system. JRA.
104 ****************************************************************************/
106 BOOL cli_nt_login_interactive(struct cli_state *cli, char *domain, char *username,
107 uint32 smb_userid_low, char *password,
108 NET_ID_INFO_CTR *ctr, NET_USER_INFO_3 *user_info3)
110 unsigned char lm_owf_user_pwd[16];
111 unsigned char nt_owf_user_pwd[16];
114 DEBUG(5,("cli_nt_login_interactive: %d\n", __LINE__));
116 nt_lm_owf_gen(password, (char *)nt_owf_user_pwd, (char *)lm_owf_user_pwd);
118 #ifdef DEBUG_PASSWORD
120 DEBUG(100,("nt owf of user password: "));
121 dump_data(100, lm_owf_user_pwd, 16);
123 DEBUG(100,("nt owf of user password: "));
124 dump_data(100, nt_owf_user_pwd, 16);
128 DEBUG(5,("cli_nt_login_interactive: %d\n", __LINE__));
130 /* indicate an "interactive" login */
131 ctr->switch_value = INTERACTIVE_LOGON_TYPE;
133 /* Create the structure needed for SAM logon. */
134 make_id_info1(&ctr->auth.id1, domain, 0,
136 username, cli->clnt_name_slash,
137 (char *)cli->sess_key, lm_owf_user_pwd, nt_owf_user_pwd);
139 /* Ensure we overwrite all the plaintext password
141 memset(lm_owf_user_pwd, '\0', sizeof(lm_owf_user_pwd));
142 memset(nt_owf_user_pwd, '\0', sizeof(nt_owf_user_pwd));
144 /* Send client sam-logon request - update credentials on success. */
145 ret = cli_net_sam_logon(cli, ctr, user_info3);
147 memset(ctr->auth.id1.lm_owf.data, '\0', sizeof(lm_owf_user_pwd));
148 memset(ctr->auth.id1.nt_owf.data, '\0', sizeof(nt_owf_user_pwd));
153 /****************************************************************************
155 *ALWAYS* use this call to validate a user as it does not expose plaintext
156 password equivalents over the network. JRA.
157 ****************************************************************************/
159 BOOL cli_nt_login_network(struct cli_state *cli, char *domain, char *username,
160 uint32 smb_userid_low, char lm_chal[8], char lm_chal_resp[24],
161 char nt_chal_resp[24],
162 NET_ID_INFO_CTR *ctr, NET_USER_INFO_3 *user_info3)
164 DEBUG(5,("cli_nt_login_network: %d\n", __LINE__));
166 /* indicate a "network" login */
167 ctr->switch_value = NET_LOGON_TYPE;
169 /* Create the structure needed for SAM logon. */
170 make_id_info2(&ctr->auth.id2, domain, 0,
172 username, cli->clnt_name_slash,
173 (uchar *)lm_chal, (uchar *)lm_chal_resp, (uchar *)nt_chal_resp);
175 /* Send client sam-logon request - update credentials on success. */
176 return cli_net_sam_logon(cli, ctr, user_info3);
179 /****************************************************************************
181 ****************************************************************************/
183 BOOL cli_nt_logoff(struct cli_state *cli, NET_ID_INFO_CTR *ctr)
185 DEBUG(5,("cli_nt_logoff: %d\n", __LINE__));
187 /* Send client sam-logoff request - update credentials on success. */
188 return cli_net_sam_logoff(cli, ctr);