2 Unix SMB/CIFS implementation.
4 interface functions for the sam database
6 Copyright (C) Andrew Tridgell 2004
7 Copyright (C) Volker Lendecke 2004
8 Copyright (C) Andrew Bartlett <abartlet@samba.org> 2006
10 This program is free software; you can redistribute it and/or modify
11 it under the terms of the GNU General Public License as published by
12 the Free Software Foundation; either version 3 of the License, or
13 (at your option) any later version.
15 This program is distributed in the hope that it will be useful,
16 but WITHOUT ANY WARRANTY; without even the implied warranty of
17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 GNU General Public License for more details.
20 You should have received a copy of the GNU General Public License
21 along with this program. If not, see <http://www.gnu.org/licenses/>.
25 #include "librpc/gen_ndr/ndr_netlogon.h"
26 #include "librpc/gen_ndr/ndr_misc.h"
27 #include "librpc/gen_ndr/ndr_security.h"
28 #include "lib/events/events.h"
29 #include "lib/ldb/include/ldb.h"
30 #include "lib/ldb/include/ldb_errors.h"
31 #include "libcli/security/security.h"
32 #include "libcli/auth/libcli_auth.h"
33 #include "libcli/ldap/ldap_ndr.h"
34 #include "system/time.h"
35 #include "system/filesys.h"
37 #include "../lib/util/util_ldb.h"
38 #include "dsdb/samdb/samdb.h"
39 #include "../libds/common/flags.h"
40 #include "param/param.h"
41 #include "lib/events/events.h"
42 #include "auth/credentials/credentials.h"
43 #include "param/secrets.h"
44 #include "auth/auth.h"
46 char *samdb_relative_path(struct ldb_context *ldb,
50 const char *base_url =
51 (const char *)ldb_get_opaque(ldb, "ldb_url");
52 char *path, *p, *full_name;
56 if (strncmp("tdb://", base_url, 6) == 0) {
57 base_url = base_url+6;
59 path = talloc_strdup(mem_ctx, base_url);
63 if ( (p = strrchr(path, '/')) != NULL) {
65 full_name = talloc_asprintf(mem_ctx, "%s/%s", path, name);
67 full_name = talloc_asprintf(mem_ctx, "./%s", name);
74 make sure the static credentials are not freed
76 static int samdb_credentials_destructor(struct cli_credentials *creds)
82 this returns a static set of system credentials. It is static so
83 that we always get the same pointer in ldb_wrap_connect()
85 struct cli_credentials *samdb_credentials(struct tevent_context *event_ctx,
86 struct loadparm_context *lp_ctx)
88 static struct cli_credentials *static_credentials;
89 struct cli_credentials *cred;
92 if (static_credentials) {
93 return static_credentials;
96 cred = cli_credentials_init(talloc_autofree_context());
100 cli_credentials_set_conf(cred, lp_ctx);
102 /* We don't want to use krb5 to talk to our samdb - recursion
103 * here would be bad, and this account isn't in the KDC
105 cli_credentials_set_kerberos_state(cred, CRED_DONT_USE_KERBEROS);
107 if (!NT_STATUS_IS_OK(cli_credentials_set_secrets(cred, event_ctx, lp_ctx, NULL, NULL,
108 SECRETS_LDAP_FILTER, &error_string))) {
109 DEBUG(5, ("(normal if no LDAP backend) %s", error_string));
110 /* Perfectly OK - if not against an LDAP backend */
114 static_credentials = cred;
115 talloc_set_destructor(cred, samdb_credentials_destructor);
120 connect to the SAM database
121 return an opaque context pointer on success, or NULL on failure
123 struct ldb_context *samdb_connect(TALLOC_CTX *mem_ctx,
124 struct tevent_context *ev_ctx,
125 struct loadparm_context *lp_ctx,
126 struct auth_session_info *session_info,
129 struct ldb_context *ldb;
130 struct dsdb_schema *schema;
132 struct cli_credentials *credentials;
135 url = lpcfg_sam_url(lp_ctx);
136 credentials = samdb_credentials(ev_ctx, lp_ctx);
138 ldb = ldb_wrap_find(url, ev_ctx, lp_ctx, session_info, credentials, flags);
140 return talloc_reference(mem_ctx, ldb);
142 ldb = samba_ldb_init(mem_ctx, ev_ctx, lp_ctx, session_info, credentials);
147 dsdb_set_global_schema(ldb);
149 ret = samba_ldb_connect(ldb, lp_ctx, url, flags);
150 if (ret != LDB_SUCCESS) {
155 schema = dsdb_get_schema(ldb, NULL);
156 /* make the resulting schema global */
158 dsdb_make_schema_global(ldb, schema);
161 if (!ldb_wrap_add(url, ev_ctx, lp_ctx, session_info, credentials, flags, ldb)) {
170 /****************************************************************************
171 Create the SID list for this user.
172 ****************************************************************************/
173 NTSTATUS security_token_create(TALLOC_CTX *mem_ctx,
174 struct tevent_context *ev_ctx,
175 struct loadparm_context *lp_ctx,
176 struct dom_sid *user_sid,
177 struct dom_sid *group_sid,
178 unsigned int n_groupSIDs,
179 struct dom_sid **groupSIDs,
180 uint32_t session_info_flags,
181 struct security_token **token)
183 struct security_token *ptoken;
187 ptoken = security_token_initialise(mem_ctx);
188 NT_STATUS_HAVE_NO_MEMORY(ptoken);
190 ptoken->sids = talloc_array(ptoken, struct dom_sid, n_groupSIDs + 6 /* over-allocate */);
191 NT_STATUS_HAVE_NO_MEMORY(ptoken->sids);
193 ptoken->num_sids = 1;
195 ptoken->sids = talloc_realloc(ptoken, ptoken->sids, struct dom_sid, ptoken->num_sids + 1);
196 NT_STATUS_HAVE_NO_MEMORY(ptoken->sids);
198 ptoken->sids[PRIMARY_USER_SID_INDEX] = *user_sid;
199 if (!dom_sid_equal(user_sid, group_sid)) {
200 ptoken->sids[PRIMARY_GROUP_SID_INDEX] = *group_sid;
205 * Finally add the "standard" SIDs.
206 * The only difference between guest and "anonymous"
207 * is the addition of Authenticated_Users.
210 if (session_info_flags & AUTH_SESSION_INFO_DEFAULT_GROUPS) {
211 ptoken->sids = talloc_realloc(ptoken, ptoken->sids, struct dom_sid, ptoken->num_sids + 2);
212 NT_STATUS_HAVE_NO_MEMORY(ptoken->sids);
214 if (!dom_sid_parse(SID_WORLD, &ptoken->sids[ptoken->num_sids])) {
215 return NT_STATUS_INTERNAL_ERROR;
219 if (!dom_sid_parse(SID_NT_NETWORK, &ptoken->sids[ptoken->num_sids])) {
220 return NT_STATUS_INTERNAL_ERROR;
225 if (session_info_flags & AUTH_SESSION_INFO_AUTHENTICATED) {
226 ptoken->sids = talloc_realloc(ptoken, ptoken->sids, struct dom_sid, ptoken->num_sids + 1);
227 NT_STATUS_HAVE_NO_MEMORY(ptoken->sids);
229 if (!dom_sid_parse(SID_NT_AUTHENTICATED_USERS, &ptoken->sids[ptoken->num_sids])) {
230 return NT_STATUS_INTERNAL_ERROR;
235 for (i = 0; i < n_groupSIDs; i++) {
236 size_t check_sid_idx;
237 for (check_sid_idx = 1;
238 check_sid_idx < ptoken->num_sids;
240 if (dom_sid_equal(&ptoken->sids[check_sid_idx], groupSIDs[i])) {
245 if (check_sid_idx == ptoken->num_sids) {
246 ptoken->sids = talloc_realloc(ptoken, ptoken->sids, struct dom_sid, ptoken->num_sids + 1);
247 NT_STATUS_HAVE_NO_MEMORY(ptoken->sids);
249 ptoken->sids[ptoken->num_sids] = *groupSIDs[i];
254 /* setup the privilege mask for this token */
255 status = samdb_privilege_setup(ev_ctx, lp_ctx, ptoken);
256 if (!NT_STATUS_IS_OK(status)) {
261 security_token_debug(10, ptoken);