dsdb-acl: use acl_check_access_on_objectclass() instead of acl_check_access_on_class()
[Samba/gebeck_regimport.git] / auth / auth_sam_reply.c
blob00e04b941edbefec1babc5846ec96107dee4f36a
1 /*
2 Unix SMB/CIFS implementation.
4 Convert a server info struct into the form for PAC and NETLOGON replies
6 Copyright (C) Andrew Bartlett <abartlet@samba.org> 2004-2011
7 Copyright (C) Stefan Metzmacher <metze@samba.org> 2005
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.
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.
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/>.
23 #include "includes.h"
24 #include "librpc/gen_ndr/auth.h"
25 #include "libcli/security/security.h"
26 #include "auth/auth_sam_reply.h"
28 NTSTATUS auth_convert_user_info_dc_sambaseinfo(TALLOC_CTX *mem_ctx,
29 struct auth_user_info_dc *user_info_dc,
30 struct netr_SamBaseInfo **_sam)
32 NTSTATUS status;
33 struct auth_user_info *info;
34 struct netr_SamBaseInfo *sam = talloc_zero(mem_ctx, struct netr_SamBaseInfo);
35 NT_STATUS_HAVE_NO_MEMORY(sam);
37 if (user_info_dc->num_sids > PRIMARY_USER_SID_INDEX) {
38 status = dom_sid_split_rid(sam, &user_info_dc->sids[PRIMARY_USER_SID_INDEX],
39 &sam->domain_sid, &sam->rid);
40 if (!NT_STATUS_IS_OK(status)) {
41 return status;
43 } else {
44 return NT_STATUS_INVALID_PARAMETER;
47 if (user_info_dc->num_sids > PRIMARY_GROUP_SID_INDEX) {
48 status = dom_sid_split_rid(NULL, &user_info_dc->sids[PRIMARY_GROUP_SID_INDEX],
49 NULL, &sam->primary_gid);
50 if (!NT_STATUS_IS_OK(status)) {
51 return status;
53 } else {
54 /* if we have to encode something like SYSTEM (with no
55 * second SID in the token) then this is the only
56 * choice */
57 sam->primary_gid = sam->rid;
60 info = user_info_dc->info;
62 sam->logon_time = info->last_logon;
63 sam->logoff_time = info->last_logoff;
64 sam->kickoff_time = info->acct_expiry;
65 sam->last_password_change = info->last_password_change;
66 sam->allow_password_change = info->allow_password_change;
67 sam->force_password_change = info->force_password_change;
69 sam->account_name.string = info->account_name;
70 sam->full_name.string = info->full_name;
71 sam->logon_script.string = info->logon_script;
72 sam->profile_path.string = info->profile_path;
73 sam->home_directory.string = info->home_directory;
74 sam->home_drive.string = info->home_drive;
76 sam->logon_count = info->logon_count;
77 sam->bad_password_count = info->bad_password_count;
78 sam->groups.count = 0;
79 sam->groups.rids = NULL;
81 if (user_info_dc->num_sids > 2) {
82 size_t i;
83 sam->groups.rids = talloc_array(sam, struct samr_RidWithAttribute,
84 user_info_dc->num_sids);
86 if (sam->groups.rids == NULL)
87 return NT_STATUS_NO_MEMORY;
89 for (i=2; i<user_info_dc->num_sids; i++) {
90 struct dom_sid *group_sid = &user_info_dc->sids[i];
91 if (!dom_sid_in_domain(sam->domain_sid, group_sid)) {
92 /* We handle this elsewhere */
93 continue;
95 sam->groups.rids[sam->groups.count].rid =
96 group_sid->sub_auths[group_sid->num_auths-1];
98 sam->groups.rids[sam->groups.count].attributes =
99 SE_GROUP_MANDATORY | SE_GROUP_ENABLED_BY_DEFAULT | SE_GROUP_ENABLED;
100 sam->groups.count += 1;
104 sam->user_flags = 0; /* w2k3 uses NETLOGON_EXTRA_SIDS | NETLOGON_NTLMV2_ENABLED */
105 if (!user_info_dc->info->authenticated) {
106 sam->user_flags |= NETLOGON_GUEST;
108 sam->acct_flags = user_info_dc->info->acct_flags;
109 sam->logon_server.string = user_info_dc->info->logon_server;
110 sam->logon_domain.string = user_info_dc->info->domain_name;
111 sam->sub_auth_status = 0;
112 sam->last_successful_logon = 0;
113 sam->last_failed_logon = 0;
114 sam->failed_logon_count = 0;
115 sam->reserved = 0;
117 ZERO_STRUCT(sam->key);
118 if (user_info_dc->user_session_key.length == sizeof(sam->key.key)) {
119 memcpy(sam->key.key, user_info_dc->user_session_key.data, sizeof(sam->key.key));
122 ZERO_STRUCT(sam->LMSessKey);
123 if (user_info_dc->lm_session_key.length == sizeof(sam->LMSessKey.key)) {
124 memcpy(sam->LMSessKey.key, user_info_dc->lm_session_key.data,
125 sizeof(sam->LMSessKey.key));
128 *_sam = sam;
130 return NT_STATUS_OK;
133 /* Note that the validity of the _sam3 structure is only as long as
134 * the user_info_dc it was generated from */
135 NTSTATUS auth_convert_user_info_dc_saminfo3(TALLOC_CTX *mem_ctx,
136 struct auth_user_info_dc *user_info_dc,
137 struct netr_SamInfo3 **_sam3)
139 struct netr_SamBaseInfo *sam;
140 struct netr_SamInfo3 *sam3 = talloc_zero(mem_ctx, struct netr_SamInfo3);
141 NTSTATUS status;
142 size_t i;
143 NT_STATUS_HAVE_NO_MEMORY(sam3);
145 status = auth_convert_user_info_dc_sambaseinfo(sam3, user_info_dc, &sam);
146 if (!NT_STATUS_IS_OK(status)) {
147 talloc_free(sam3);
148 return status;
150 sam3->base = *sam;
151 sam3->sidcount = 0;
152 sam3->sids = NULL;
155 sam3->sids = talloc_array(sam, struct netr_SidAttr,
156 user_info_dc->num_sids);
157 NT_STATUS_HAVE_NO_MEMORY_AND_FREE(sam3->sids, sam3);
159 /* We don't put the user and group SIDs in there */
160 for (i=2; i<user_info_dc->num_sids; i++) {
161 if (dom_sid_in_domain(sam->domain_sid, &user_info_dc->sids[i])) {
162 continue;
164 sam3->sids[sam3->sidcount].sid = dom_sid_dup(sam3->sids, &user_info_dc->sids[i]);
165 NT_STATUS_HAVE_NO_MEMORY_AND_FREE(sam3->sids[sam3->sidcount].sid, sam3);
166 sam3->sids[sam3->sidcount].attributes =
167 SE_GROUP_MANDATORY | SE_GROUP_ENABLED_BY_DEFAULT | SE_GROUP_ENABLED;
168 sam3->sidcount += 1;
170 if (sam3->sidcount) {
171 sam3->base.user_flags |= NETLOGON_EXTRA_SIDS;
172 } else {
173 sam3->sids = NULL;
175 *_sam3 = sam3;
177 return NT_STATUS_OK;
181 * Make a user_info struct from the info3 or similar returned by a domain logon.
183 * The netr_SamInfo3 is also a key structure in the source3 auth subsystem
186 NTSTATUS make_user_info_SamBaseInfo(TALLOC_CTX *mem_ctx,
187 const char *account_name,
188 struct netr_SamBaseInfo *base,
189 bool authenticated,
190 struct auth_user_info **_user_info)
192 struct auth_user_info *info;
194 info = talloc_zero(mem_ctx, struct auth_user_info);
195 NT_STATUS_HAVE_NO_MEMORY(info);
197 if (base->account_name.string) {
198 info->account_name = talloc_strdup(info, base->account_name.string);
199 } else {
200 info->account_name = talloc_strdup(info, account_name);
202 NT_STATUS_HAVE_NO_MEMORY(info->account_name);
204 if (base->logon_domain.string) {
205 info->domain_name = talloc_strdup(info, base->logon_domain.string);
206 NT_STATUS_HAVE_NO_MEMORY(info->domain_name);
209 if (base->full_name.string) {
210 info->full_name = talloc_strdup(info, base->full_name.string);
211 NT_STATUS_HAVE_NO_MEMORY(info->full_name);
213 if (base->logon_script.string) {
214 info->logon_script = talloc_strdup(info, base->logon_script.string);
215 NT_STATUS_HAVE_NO_MEMORY(info->logon_script);
217 if (base->profile_path.string) {
218 info->profile_path = talloc_strdup(info, base->profile_path.string);
219 NT_STATUS_HAVE_NO_MEMORY(info->profile_path);
221 if (base->home_directory.string) {
222 info->home_directory = talloc_strdup(info, base->home_directory.string);
223 NT_STATUS_HAVE_NO_MEMORY(info->home_directory);
225 if (base->home_drive.string) {
226 info->home_drive = talloc_strdup(info, base->home_drive.string);
227 NT_STATUS_HAVE_NO_MEMORY(info->home_drive);
229 if (base->logon_server.string) {
230 info->logon_server = talloc_strdup(info, base->logon_server.string);
231 NT_STATUS_HAVE_NO_MEMORY(info->logon_server);
233 info->last_logon = base->logon_time;
234 info->last_logoff = base->logoff_time;
235 info->acct_expiry = base->kickoff_time;
236 info->last_password_change = base->last_password_change;
237 info->allow_password_change = base->allow_password_change;
238 info->force_password_change = base->force_password_change;
239 info->logon_count = base->logon_count;
240 info->bad_password_count = base->bad_password_count;
241 info->acct_flags = base->acct_flags;
243 /* Only set authenticated if both NETLOGON_GUEST is not set, and authenticated is set */
244 info->authenticated = (authenticated && (!(base->user_flags & NETLOGON_GUEST)));
246 *_user_info = info;
247 return NT_STATUS_OK;
251 * Make a user_info_dc struct from the info3 returned by a domain logon
253 NTSTATUS make_user_info_dc_netlogon_validation(TALLOC_CTX *mem_ctx,
254 const char *account_name,
255 uint16_t validation_level,
256 union netr_Validation *validation,
257 bool authenticated,
258 struct auth_user_info_dc **_user_info_dc)
260 NTSTATUS status;
261 struct auth_user_info_dc *user_info_dc;
262 struct netr_SamBaseInfo *base = NULL;
263 uint32_t i;
265 switch (validation_level) {
266 case 2:
267 if (!validation || !validation->sam2) {
268 return NT_STATUS_INVALID_PARAMETER;
270 base = &validation->sam2->base;
271 break;
272 case 3:
273 if (!validation || !validation->sam3) {
274 return NT_STATUS_INVALID_PARAMETER;
276 base = &validation->sam3->base;
277 break;
278 case 6:
279 if (!validation || !validation->sam6) {
280 return NT_STATUS_INVALID_PARAMETER;
282 base = &validation->sam6->base;
283 break;
284 default:
285 return NT_STATUS_INVALID_LEVEL;
288 user_info_dc = talloc(mem_ctx, struct auth_user_info_dc);
289 NT_STATUS_HAVE_NO_MEMORY(user_info_dc);
292 Here is where we should check the list of
293 trusted domains, and verify that the SID
294 matches.
296 if (!base->domain_sid) {
297 DEBUG(0, ("Cannot operate on a Netlogon Validation without a domain SID"));
298 return NT_STATUS_INVALID_PARAMETER;
301 /* The IDL layer would be a better place to check this, but to
302 * guard the integer addition below, we double-check */
303 if (base->groups.count > 65535) {
304 return NT_STATUS_INVALID_PARAMETER;
307 user_info_dc->num_sids = 2;
309 user_info_dc->sids = talloc_array(user_info_dc, struct dom_sid, user_info_dc->num_sids + base->groups.count);
310 NT_STATUS_HAVE_NO_MEMORY(user_info_dc->sids);
312 user_info_dc->sids[PRIMARY_USER_SID_INDEX] = *base->domain_sid;
313 if (!sid_append_rid(&user_info_dc->sids[PRIMARY_USER_SID_INDEX], base->rid)) {
314 return NT_STATUS_INVALID_PARAMETER;
317 user_info_dc->sids[PRIMARY_GROUP_SID_INDEX] = *base->domain_sid;
318 if (!sid_append_rid(&user_info_dc->sids[PRIMARY_GROUP_SID_INDEX], base->primary_gid)) {
319 return NT_STATUS_INVALID_PARAMETER;
322 for (i = 0; i < base->groups.count; i++) {
323 user_info_dc->sids[user_info_dc->num_sids] = *base->domain_sid;
324 if (!sid_append_rid(&user_info_dc->sids[user_info_dc->num_sids], base->groups.rids[i].rid)) {
325 return NT_STATUS_INVALID_PARAMETER;
327 user_info_dc->num_sids++;
330 /* Copy 'other' sids. We need to do sid filtering here to
331 prevent possible elevation of privileges. See:
333 http://www.microsoft.com/windows2000/techinfo/administration/security/sidfilter.asp
336 if (validation_level == 3) {
337 struct dom_sid *dgrps = user_info_dc->sids;
338 size_t sidcount;
340 /* The IDL layer would be a better place to check this, but to
341 * guard the integer addition below, we double-check */
342 if (validation->sam3->sidcount > 65535) {
343 return NT_STATUS_INVALID_PARAMETER;
346 sidcount = user_info_dc->num_sids + validation->sam3->sidcount;
347 if (validation->sam3->sidcount > 0) {
348 dgrps = talloc_realloc(user_info_dc, dgrps, struct dom_sid, sidcount);
349 NT_STATUS_HAVE_NO_MEMORY(dgrps);
351 for (i = 0; i < validation->sam3->sidcount; i++) {
352 if (validation->sam3->sids[i].sid) {
353 dgrps[user_info_dc->num_sids] = *validation->sam3->sids[i].sid;
354 user_info_dc->num_sids++;
359 user_info_dc->sids = dgrps;
361 /* Where are the 'global' sids?... */
364 status = make_user_info_SamBaseInfo(user_info_dc, account_name, base, authenticated, &user_info_dc->info);
365 if (!NT_STATUS_IS_OK(status)) {
366 return status;
369 /* ensure we are never given NULL session keys */
371 if (all_zero(base->key.key, sizeof(base->key.key))) {
372 user_info_dc->user_session_key = data_blob(NULL, 0);
373 } else {
374 user_info_dc->user_session_key = data_blob_talloc(user_info_dc, base->key.key, sizeof(base->key.key));
375 NT_STATUS_HAVE_NO_MEMORY(user_info_dc->user_session_key.data);
378 if (all_zero(base->LMSessKey.key, sizeof(base->LMSessKey.key))) {
379 user_info_dc->lm_session_key = data_blob(NULL, 0);
380 } else {
381 user_info_dc->lm_session_key = data_blob_talloc(user_info_dc, base->LMSessKey.key, sizeof(base->LMSessKey.key));
382 NT_STATUS_HAVE_NO_MEMORY(user_info_dc->lm_session_key.data);
385 *_user_info_dc = user_info_dc;
386 return NT_STATUS_OK;
390 * Make a user_info_dc struct from the PAC_LOGON_INFO supplied in the krb5 logon
392 NTSTATUS make_user_info_dc_pac(TALLOC_CTX *mem_ctx,
393 struct PAC_LOGON_INFO *pac_logon_info,
394 struct auth_user_info_dc **_user_info_dc)
396 uint32_t i;
397 NTSTATUS nt_status;
398 union netr_Validation validation;
399 struct auth_user_info_dc *user_info_dc;
401 validation.sam3 = &pac_logon_info->info3;
403 nt_status = make_user_info_dc_netlogon_validation(mem_ctx, "", 3, &validation,
404 true, /* This user was authenticated */
405 &user_info_dc);
406 if (!NT_STATUS_IS_OK(nt_status)) {
407 return nt_status;
410 if (pac_logon_info->res_groups.count > 0) {
411 size_t sidcount;
412 /* The IDL layer would be a better place to check this, but to
413 * guard the integer addition below, we double-check */
414 if (pac_logon_info->res_groups.count > 65535) {
415 talloc_free(user_info_dc);
416 return NT_STATUS_INVALID_PARAMETER;
420 Here is where we should check the list of
421 trusted domains, and verify that the SID
422 matches.
424 if (!pac_logon_info->res_group_dom_sid) {
425 DEBUG(0, ("Cannot operate on a PAC without a resource domain SID"));
426 return NT_STATUS_INVALID_PARAMETER;
429 sidcount = user_info_dc->num_sids + pac_logon_info->res_groups.count;
430 user_info_dc->sids
431 = talloc_realloc(user_info_dc, user_info_dc->sids, struct dom_sid, sidcount);
432 NT_STATUS_HAVE_NO_MEMORY_AND_FREE(user_info_dc->sids, user_info_dc);
434 for (i = 0; pac_logon_info->res_group_dom_sid && i < pac_logon_info->res_groups.count; i++) {
435 user_info_dc->sids[user_info_dc->num_sids] = *pac_logon_info->res_group_dom_sid;
436 if (!sid_append_rid(&user_info_dc->sids[user_info_dc->num_sids],
437 pac_logon_info->res_groups.rids[i].rid)) {
438 return NT_STATUS_INVALID_PARAMETER;
440 user_info_dc->num_sids++;
443 *_user_info_dc = user_info_dc;
444 return NT_STATUS_OK;