Fix uninstallman.
[samba.git] / source4 / auth / auth_sam_reply.c
1 /* 
2    Unix SMB/CIFS implementation.
3
4    Convert a server info struct into the form for PAC and NETLOGON replies
5
6    Copyright (C) Andrew Bartlett <abartlet@samba.org> 2004
7    Copyright (C) Stefan Metzmacher <metze@samba.org>  2005
8    
9    This program is free software; you can redistribute it and/or modify
10    it under the terms of the GNU General Public License as published by
11    the Free Software Foundation; either version 3 of the License, or
12    (at your option) any later version.
13    
14    This program is distributed in the hope that it will be useful,
15    but WITHOUT ANY WARRANTY; without even the implied warranty of
16    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17    GNU General Public License for more details.
18    
19    You should have received a copy of the GNU General Public License
20    along with this program.  If not, see <http://www.gnu.org/licenses/>.
21 */
22
23 #include "includes.h"
24 #include "auth/auth.h"
25 #include "libcli/security/security.h"
26 #include "librpc/gen_ndr/ndr_netlogon.h"
27 #include "auth/auth_sam_reply.h"
28
29 NTSTATUS auth_convert_server_info_sambaseinfo(TALLOC_CTX *mem_ctx, 
30                                               struct auth_serversupplied_info *server_info, 
31                                               struct netr_SamBaseInfo **_sam)
32 {
33         struct netr_SamBaseInfo *sam = talloc_zero(mem_ctx, struct netr_SamBaseInfo);
34         NT_STATUS_HAVE_NO_MEMORY(sam);
35
36         sam->domain_sid = dom_sid_dup(mem_ctx, server_info->account_sid);
37         NT_STATUS_HAVE_NO_MEMORY(sam->domain_sid);
38         sam->domain_sid->num_auths--;
39
40         sam->last_logon = server_info->last_logon;
41         sam->last_logoff = server_info->last_logoff;
42         sam->acct_expiry = server_info->acct_expiry;
43         sam->last_password_change = server_info->last_password_change;
44         sam->allow_password_change = server_info->allow_password_change;
45         sam->force_password_change = server_info->force_password_change;
46
47         sam->account_name.string = server_info->account_name;
48         sam->full_name.string = server_info->full_name;
49         sam->logon_script.string = server_info->logon_script;
50         sam->profile_path.string = server_info->profile_path;
51         sam->home_directory.string = server_info->home_directory;
52         sam->home_drive.string = server_info->home_drive;
53
54         sam->logon_count = server_info->logon_count;
55         sam->bad_password_count = sam->bad_password_count;
56         sam->rid = server_info->account_sid->sub_auths[server_info->account_sid->num_auths-1];
57         sam->primary_gid = server_info->primary_group_sid->sub_auths[server_info->primary_group_sid->num_auths-1];
58
59         sam->groups.count = 0;
60         sam->groups.rids = NULL;
61
62         if (server_info->n_domain_groups > 0) {
63                 int i;
64                 sam->groups.rids = talloc_array(sam, struct samr_RidWithAttribute,
65                                                 server_info->n_domain_groups);
66
67                 if (sam->groups.rids == NULL)
68                         return NT_STATUS_NO_MEMORY;
69
70                 for (i=0; i<server_info->n_domain_groups; i++) {
71                         struct dom_sid *group_sid = server_info->domain_groups[i];
72                         if (!dom_sid_in_domain(sam->domain_sid, group_sid)) {
73                                 /* We handle this elsewhere */
74                                 continue;
75                         }
76                         sam->groups.rids[sam->groups.count].rid =
77                                 group_sid->sub_auths[group_sid->num_auths-1];
78                         
79                         sam->groups.rids[sam->groups.count].attributes = 
80                                 SE_GROUP_MANDATORY | SE_GROUP_ENABLED_BY_DEFAULT | SE_GROUP_ENABLED;
81                         sam->groups.count += 1;
82                 }
83         }
84
85         sam->user_flags = 0; /* w2k3 uses NETLOGON_EXTRA_SIDS | NETLOGON_NTLMV2_ENABLED */
86         sam->acct_flags = server_info->acct_flags;
87         sam->logon_server.string = server_info->logon_server;
88         sam->domain.string = server_info->domain_name;
89
90         ZERO_STRUCT(sam->unknown);
91
92         ZERO_STRUCT(sam->key);
93         if (server_info->user_session_key.length == sizeof(sam->key.key)) {
94                 memcpy(sam->key.key, server_info->user_session_key.data, sizeof(sam->key.key));
95         }
96
97         ZERO_STRUCT(sam->LMSessKey);
98         if (server_info->lm_session_key.length == sizeof(sam->LMSessKey.key)) {
99                 memcpy(sam->LMSessKey.key, server_info->lm_session_key.data, 
100                        sizeof(sam->LMSessKey.key));
101         }
102         
103         *_sam = sam;
104
105         return NT_STATUS_OK;
106 }       
107
108 NTSTATUS auth_convert_server_info_saminfo3(TALLOC_CTX *mem_ctx, 
109                                            struct auth_serversupplied_info *server_info, 
110                                            struct netr_SamInfo3 **_sam3)
111 {
112         struct netr_SamBaseInfo *sam;
113         struct netr_SamInfo3 *sam3 = talloc_zero(mem_ctx, struct netr_SamInfo3);
114         NTSTATUS status;
115         int i;
116         NT_STATUS_HAVE_NO_MEMORY(sam3);
117
118         status = auth_convert_server_info_sambaseinfo(mem_ctx, server_info, &sam);
119         if (!NT_STATUS_IS_OK(status)) {
120                 return status;
121         }
122         sam3->base = *sam;
123         sam3->sidcount  = 0;
124         sam3->sids      = NULL;
125
126         
127         sam3->sids = talloc_array(sam, struct netr_SidAttr,
128                                   server_info->n_domain_groups);
129         NT_STATUS_HAVE_NO_MEMORY(sam3->sids);
130         
131         for (i=0; i<server_info->n_domain_groups; i++) {
132                 if (dom_sid_in_domain(sam->domain_sid, server_info->domain_groups[i])) {
133                         continue;
134                 }
135                 sam3->sids[sam3->sidcount].sid = talloc_reference(sam3->sids,server_info->domain_groups[i]);
136                 sam3->sids[sam3->sidcount].attributes =
137                         SE_GROUP_MANDATORY | SE_GROUP_ENABLED_BY_DEFAULT | SE_GROUP_ENABLED;
138                 sam3->sidcount += 1;
139         }
140         if (sam3->sidcount) {
141                 sam3->base.user_flags |= NETLOGON_EXTRA_SIDS;
142         } else {
143                 sam3->sids = NULL;
144         }
145         *_sam3 = sam3;
146
147         return NT_STATUS_OK;
148 }       
149
150 /**
151  * Make a server_info struct from the info3 returned by a domain logon 
152  */
153 NTSTATUS make_server_info_netlogon_validation(TALLOC_CTX *mem_ctx,
154                                               const char *account_name,
155                                               uint16_t validation_level,
156                                               union netr_Validation *validation,
157                                               struct auth_serversupplied_info **_server_info)
158 {
159         struct auth_serversupplied_info *server_info;
160         struct netr_SamBaseInfo *base = NULL;
161         int i;
162
163         switch (validation_level) {
164         case 2:
165                 if (!validation || !validation->sam2) {
166                         return NT_STATUS_INVALID_PARAMETER;
167                 }
168                 base = &validation->sam2->base;
169                 break;
170         case 3:
171                 if (!validation || !validation->sam3) {
172                         return NT_STATUS_INVALID_PARAMETER;
173                 }
174                 base = &validation->sam3->base;
175                 break;
176         case 6:
177                 if (!validation || !validation->sam6) {
178                         return NT_STATUS_INVALID_PARAMETER;
179                 }
180                 base = &validation->sam6->base;
181                 break;
182         default:
183                 return NT_STATUS_INVALID_LEVEL;
184         }
185
186         server_info = talloc(mem_ctx, struct auth_serversupplied_info);
187         NT_STATUS_HAVE_NO_MEMORY(server_info);
188
189         /*
190            Here is where we should check the list of
191            trusted domains, and verify that the SID 
192            matches.
193         */
194         server_info->account_sid = dom_sid_add_rid(server_info, base->domain_sid, base->rid);
195         NT_STATUS_HAVE_NO_MEMORY(server_info->account_sid);
196
197
198         server_info->primary_group_sid = dom_sid_add_rid(server_info, base->domain_sid, base->primary_gid);
199         NT_STATUS_HAVE_NO_MEMORY(server_info->primary_group_sid);
200
201         server_info->n_domain_groups = base->groups.count;
202         if (base->groups.count) {
203                 server_info->domain_groups = talloc_array(server_info, struct dom_sid*, base->groups.count);
204                 NT_STATUS_HAVE_NO_MEMORY(server_info->domain_groups);
205         } else {
206                 server_info->domain_groups = NULL;
207         }
208
209         for (i = 0; i < base->groups.count; i++) {
210                 server_info->domain_groups[i] = dom_sid_add_rid(server_info, base->domain_sid, base->groups.rids[i].rid);
211                 NT_STATUS_HAVE_NO_MEMORY(server_info->domain_groups[i]);
212         }
213
214         /* Copy 'other' sids.  We need to do sid filtering here to
215            prevent possible elevation of privileges.  See:
216
217            http://www.microsoft.com/windows2000/techinfo/administration/security/sidfilter.asp
218          */
219
220         if (validation_level == 3) {
221                 struct dom_sid **dgrps = server_info->domain_groups;
222                 size_t sidcount = server_info->n_domain_groups + validation->sam3->sidcount;
223                 size_t n_dgrps = server_info->n_domain_groups;
224
225                 if (validation->sam3->sidcount > 0) {
226                         dgrps = talloc_realloc(server_info, dgrps, struct dom_sid*, sidcount);
227                         NT_STATUS_HAVE_NO_MEMORY(dgrps);
228
229                         for (i = 0; i < validation->sam3->sidcount; i++) {
230                                 dgrps[n_dgrps + i] = talloc_reference(dgrps, validation->sam3->sids[i].sid);
231                         }
232                 }
233
234                 server_info->n_domain_groups = sidcount;
235                 server_info->domain_groups = dgrps;
236
237                 /* Where are the 'global' sids?... */
238         }
239
240         if (base->account_name.string) {
241                 server_info->account_name = talloc_reference(server_info, base->account_name.string);
242         } else {
243                 server_info->account_name = talloc_strdup(server_info, account_name);
244                 NT_STATUS_HAVE_NO_MEMORY(server_info->account_name);
245         }
246
247         server_info->domain_name = talloc_reference(server_info, base->domain.string);
248         server_info->full_name = talloc_reference(server_info, base->full_name.string);
249         server_info->logon_script = talloc_reference(server_info, base->logon_script.string);
250         server_info->profile_path = talloc_reference(server_info, base->profile_path.string);
251         server_info->home_directory = talloc_reference(server_info, base->home_directory.string);
252         server_info->home_drive = talloc_reference(server_info, base->home_drive.string);
253         server_info->logon_server = talloc_reference(server_info, base->logon_server.string);
254         server_info->last_logon = base->last_logon;
255         server_info->last_logoff = base->last_logoff;
256         server_info->acct_expiry = base->acct_expiry;
257         server_info->last_password_change = base->last_password_change;
258         server_info->allow_password_change = base->allow_password_change;
259         server_info->force_password_change = base->force_password_change;
260         server_info->logon_count = base->logon_count;
261         server_info->bad_password_count = base->bad_password_count;
262         server_info->acct_flags = base->acct_flags;
263
264         server_info->authenticated = true;
265
266         /* ensure we are never given NULL session keys */
267
268         if (all_zero(base->key.key, sizeof(base->key.key))) {
269                 server_info->user_session_key = data_blob(NULL, 0);
270         } else {
271                 server_info->user_session_key = data_blob_talloc(server_info, base->key.key, sizeof(base->key.key));
272                 NT_STATUS_HAVE_NO_MEMORY(server_info->user_session_key.data);
273         }
274
275         if (all_zero(base->LMSessKey.key, sizeof(base->LMSessKey.key))) {
276                 server_info->lm_session_key = data_blob(NULL, 0);
277         } else {
278                 server_info->lm_session_key = data_blob_talloc(server_info, base->LMSessKey.key, sizeof(base->LMSessKey.key));
279                 NT_STATUS_HAVE_NO_MEMORY(server_info->lm_session_key.data);
280         }
281
282         ZERO_STRUCT(server_info->pac_srv_sig);
283         ZERO_STRUCT(server_info->pac_kdc_sig);
284
285         *_server_info = server_info;
286         return NT_STATUS_OK;
287 }
288