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
196
197
198
199
200
201
|
/*
Unix SMB/CIFS implementation.
Password and authentication handling
Copyright (C) Andrew Tridgell 1992-2000
Copyright (C) Luke Kenneth Casson Leighton 1996-2000
Copyright (C) Andrew Bartlett 2001-2003
Copyright (C) Gerald Carter 2003
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 3 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, see <http://www.gnu.org/licenses/>.
*/
#include "includes.h"
#include "auth.h"
#undef DBGC_CLASS
#define DBGC_CLASS DBGC_AUTH
static NTSTATUS auth_sam_ignoredomain_auth(const struct auth_context *auth_context,
void *my_private_data,
TALLOC_CTX *mem_ctx,
const struct auth_usersupplied_info *user_info,
struct auth_serversupplied_info **server_info)
{
if (!user_info || !auth_context) {
return NT_STATUS_UNSUCCESSFUL;
}
return check_sam_security(&auth_context->challenge, mem_ctx,
user_info, server_info);
}
/* module initialisation */
static NTSTATUS auth_init_sam_ignoredomain(struct auth_context *auth_context, const char *param, auth_methods **auth_method)
{
struct auth_methods *result;
result = talloc_zero(auth_context, struct auth_methods);
if (result == NULL) {
return NT_STATUS_NO_MEMORY;
}
result->auth = auth_sam_ignoredomain_auth;
result->name = "sam_ignoredomain";
*auth_method = result;
return NT_STATUS_OK;
}
/****************************************************************************
Check SAM security (above) but with a few extra checks.
****************************************************************************/
static NTSTATUS auth_samstrict_auth(const struct auth_context *auth_context,
void *my_private_data,
TALLOC_CTX *mem_ctx,
const struct auth_usersupplied_info *user_info,
struct auth_serversupplied_info **server_info)
{
bool is_local_name, is_my_domain;
if (!user_info || !auth_context) {
return NT_STATUS_LOGON_FAILURE;
}
DEBUG(10, ("Check auth for: [%s]\n", user_info->mapped.account_name));
is_local_name = is_myname(user_info->mapped.domain_name);
is_my_domain = strequal(user_info->mapped.domain_name, lp_workgroup());
/* check whether or not we service this domain/workgroup name */
switch ( lp_server_role() ) {
case ROLE_STANDALONE:
case ROLE_DOMAIN_MEMBER:
if ( !is_local_name ) {
DEBUG(6,("check_samstrict_security: %s is not one of my local names (%s)\n",
user_info->mapped.domain_name, (lp_server_role() == ROLE_DOMAIN_MEMBER
? "ROLE_DOMAIN_MEMBER" : "ROLE_STANDALONE") ));
return NT_STATUS_NOT_IMPLEMENTED;
}
FALL_THROUGH;
case ROLE_DOMAIN_PDC:
case ROLE_DOMAIN_BDC:
if ( !is_local_name && !is_my_domain ) {
DEBUG(6,("check_samstrict_security: %s is not one of my local names or domain name (DC)\n",
user_info->mapped.domain_name));
return NT_STATUS_NOT_IMPLEMENTED;
}
FALL_THROUGH;
default: /* name is ok */
break;
}
return check_sam_security(&auth_context->challenge, mem_ctx,
user_info, server_info);
}
/* module initialisation */
static NTSTATUS auth_init_sam(struct auth_context *auth_context, const char *param, auth_methods **auth_method)
{
struct auth_methods *result;
if (lp_server_role() == ROLE_ACTIVE_DIRECTORY_DC
&& !lp_parm_bool(-1, "server role check", "inhibit", false)) {
DEBUG(0, ("server role = 'active directory domain controller' not compatible with running the auth_sam module. \n"));
DEBUGADD(0, ("You should not set 'auth methods' when running the AD DC.\n"));
exit(1);
}
result = talloc_zero(auth_context, struct auth_methods);
if (result == NULL) {
return NT_STATUS_NO_MEMORY;
}
result->auth = auth_samstrict_auth;
result->name = "sam";
*auth_method = result;
return NT_STATUS_OK;
}
static NTSTATUS auth_sam_netlogon3_auth(const struct auth_context *auth_context,
void *my_private_data,
TALLOC_CTX *mem_ctx,
const struct auth_usersupplied_info *user_info,
struct auth_serversupplied_info **server_info)
{
bool is_my_domain;
if (!user_info || !auth_context) {
return NT_STATUS_LOGON_FAILURE;
}
DBG_DEBUG("Check auth for: [%s]\\[%s]\n",
user_info->mapped.domain_name,
user_info->mapped.account_name);
/* check whether or not we service this domain/workgroup name */
switch (lp_server_role()) {
case ROLE_DOMAIN_PDC:
case ROLE_DOMAIN_BDC:
break;
default:
DBG_ERR("Invalid server role\n");
return NT_STATUS_INVALID_SERVER_STATE;
}
is_my_domain = strequal(user_info->mapped.domain_name, lp_workgroup());
if (!is_my_domain) {
DBG_INFO("%s is not our domain name (DC for %s)\n",
user_info->mapped.domain_name, lp_workgroup());
return NT_STATUS_NOT_IMPLEMENTED;
}
return check_sam_security(&auth_context->challenge, mem_ctx,
user_info, server_info);
}
/* module initialisation */
static NTSTATUS auth_init_sam_netlogon3(struct auth_context *auth_context,
const char *param, auth_methods **auth_method)
{
struct auth_methods *result;
if (lp_server_role() == ROLE_ACTIVE_DIRECTORY_DC
&& !lp_parm_bool(-1, "server role check", "inhibit", false)) {
DEBUG(0, ("server role = 'active directory domain controller' "
"not compatible with running the auth_sam module.\n"));
DEBUGADD(0, ("You should not set 'auth methods' when "
"running the AD DC.\n"));
exit(1);
}
result = talloc_zero(auth_context, struct auth_methods);
if (result == NULL) {
return NT_STATUS_NO_MEMORY;
}
result->auth = auth_sam_netlogon3_auth;
result->name = "sam_netlogon3";
*auth_method = result;
return NT_STATUS_OK;
}
NTSTATUS auth_sam_init(TALLOC_CTX *mem_ctx)
{
smb_register_auth(AUTH_INTERFACE_VERSION, "sam", auth_init_sam);
smb_register_auth(AUTH_INTERFACE_VERSION, "sam_ignoredomain", auth_init_sam_ignoredomain);
smb_register_auth(AUTH_INTERFACE_VERSION, "sam_netlogon3", auth_init_sam_netlogon3);
return NT_STATUS_OK;
}
|
