1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
|
/*
Unix SMB/Netbios implementation.
Version 1.9.
NT Domain Authentication SMB / MSRPC client
Copyright (C) Andrew Tridgell 1994-1997
Copyright (C) Luke Kenneth Casson Leighton 1996-1997
Copyright (C) Jeremy Allison 1999.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "includes.h"
extern int DEBUGLEVEL;
extern fstring global_myworkgroup;
extern pstring global_myname;
/****************************************************************************
Initialize domain session credentials.
****************************************************************************/
NTSTATUS cli_nt_setup_creds(struct cli_state *cli, unsigned char mach_pwd[16])
{
NTSTATUS result;
DOM_CHAL clnt_chal;
DOM_CHAL srv_chal;
UTIME zerotime;
/******************* Request Challenge ********************/
generate_random_buffer( clnt_chal.data, 8, False);
/* send a client challenge; receive a server challenge */
if (!cli_net_req_chal(cli, &clnt_chal, &srv_chal))
{
DEBUG(0,("cli_nt_setup_creds: request challenge failed\n"));
return NT_STATUS_UNSUCCESSFUL;
}
/**************** Long-term Session key **************/
/* calculate the session key */
cred_session_key(&clnt_chal, &srv_chal, (char *)mach_pwd, cli->sess_key);
memset((char *)cli->sess_key+8, '\0', 8);
/******************* Authenticate 2 ********************/
/* calculate auth-2 credentials */
zerotime.time = 0;
cred_create(cli->sess_key, &clnt_chal, zerotime, &(cli->clnt_cred.challenge));
/*
* Send client auth-2 challenge.
* Receive an auth-2 challenge response and check it.
*/
result = cli_net_auth2(cli, (lp_server_role() == ROLE_DOMAIN_MEMBER) ?
SEC_CHAN_WKSTA : SEC_CHAN_BDC, 0x000001ff, &srv_chal);
if (!NT_STATUS_IS_OK(result))
{
DEBUG(0,("cli_nt_setup_creds: auth2 challenge failed\n"));
return result;
}
return NT_STATUS_OK;
}
/****************************************************************************
Set machine password.
****************************************************************************/
BOOL cli_nt_srv_pwset(struct cli_state *cli, unsigned char *new_hashof_mach_pwd)
{
unsigned char processed_new_pwd[16];
DEBUG(5,("cli_nt_srv_pwset: %d\n", __LINE__));
#ifdef DEBUG_PASSWORD
dump_data(6, (char *)new_hashof_mach_pwd, 16);
#endif
/* Process the new password. */
cred_hash3( processed_new_pwd, new_hashof_mach_pwd, cli->sess_key, 1);
/* send client srv_pwset challenge */
return cli_net_srv_pwset(cli, processed_new_pwd);
}
/****************************************************************************
NT login - interactive.
*NEVER* use this code. This method of doing a logon (sending the cleartext
password equivalents, protected by the session key) is inherently insecure
given the current design of the NT Domain system. JRA.
****************************************************************************/
NTSTATUS cli_nt_login_interactive(struct cli_state *cli, char *domain, char *username,
uint32 smb_userid_low, char *password,
NET_ID_INFO_CTR *ctr, NET_USER_INFO_3 *user_info3)
{
uchar lm_owf_user_pwd[16];
uchar nt_owf_user_pwd[16];
NTSTATUS ret;
DEBUG(5,("cli_nt_login_interactive: %d\n", __LINE__));
nt_lm_owf_gen(password, nt_owf_user_pwd, lm_owf_user_pwd);
#ifdef DEBUG_PASSWORD
DEBUG(100,("nt owf of user password: "));
dump_data(100, (char *)lm_owf_user_pwd, 16);
DEBUG(100,("nt owf of user password: "));
dump_data(100, (char *)nt_owf_user_pwd, 16);
#endif
DEBUG(5,("cli_nt_login_interactive: %d\n", __LINE__));
/* indicate an "interactive" login */
ctr->switch_value = INTERACTIVE_LOGON_TYPE;
/* Create the structure needed for SAM logon. */
init_id_info1(&ctr->auth.id1, domain, 0,
smb_userid_low, 0,
username, cli->clnt_name_slash,
(char *)cli->sess_key, lm_owf_user_pwd, nt_owf_user_pwd);
/* Ensure we overwrite all the plaintext password
equivalents. */
memset(lm_owf_user_pwd, '\0', sizeof(lm_owf_user_pwd));
memset(nt_owf_user_pwd, '\0', sizeof(nt_owf_user_pwd));
/* Send client sam-logon request - update credentials on success. */
ret = cli_net_sam_logon(cli, ctr, user_info3);
memset(ctr->auth.id1.lm_owf.data, '\0', sizeof(lm_owf_user_pwd));
memset(ctr->auth.id1.nt_owf.data, '\0', sizeof(nt_owf_user_pwd));
return ret;
}
/****************************************************************************
NT login - network.
*ALWAYS* use this call to validate a user as it does not expose plaintext
password equivalents over the network. JRA.
****************************************************************************/
NTSTATUS cli_nt_login_network(struct cli_state *cli,
const auth_usersupplied_info *user_info,
uint32 smb_userid_low, NET_ID_INFO_CTR *ctr,
NET_USER_INFO_3 *user_info3)
{
DEBUG(5,("cli_nt_login_network: %d\n", __LINE__));
/* indicate a "network" login */
ctr->switch_value = NET_LOGON_TYPE;
/* Create the structure needed for SAM logon. */
init_id_info2(&ctr->auth.id2, user_info->domain.str, 0, smb_userid_low, 0,
user_info->smb_username.str,
/* Send our cleint's workstaion name if we have it, otherwise ours */
((user_info->wksta_name.len > 0) ?
user_info->wksta_name.str :
cli->clnt_name_slash),
user_info->chal,
user_info->lm_resp.buffer, user_info->lm_resp.len,
user_info->nt_resp.buffer, user_info->nt_resp.len);
/* Send client sam-logon request - update credentials on success. */
return cli_net_sam_logon(cli, ctr, user_info3);
}
/****************************************************************************
NT Logoff.
****************************************************************************/
BOOL cli_nt_logoff(struct cli_state *cli, NET_ID_INFO_CTR *ctr)
{
DEBUG(5,("cli_nt_logoff: %d\n", __LINE__));
/* Send client sam-logoff request - update credentials on success. */
return cli_net_sam_logoff(cli, ctr);
}
|
