2 Unix SMB/CIFS implementation.
4 lsa calls for file sharing connections
6 Copyright (C) Andrew Tridgell 2004
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 3 of the License, or
11 (at your option) any later version.
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with this program. If not, see <http://www.gnu.org/licenses/>.
23 when dealing with ACLs the file sharing client code needs to
24 sometimes make LSA RPC calls. This code provides an easy interface
25 for doing those calls.
29 #include "libcli/raw/libcliraw.h"
30 #include "libcli/libcli.h"
31 #include "libcli/security/security.h"
32 #include "librpc/gen_ndr/ndr_lsa.h"
33 #include "librpc/gen_ndr/ndr_lsa_c.h"
34 #include "libcli/util/clilsa.h"
37 struct dcerpc_pipe *pipe;
38 struct smbcli_tree *ipc_tree;
39 struct policy_handle handle;
43 establish the lsa pipe connection
45 static NTSTATUS smblsa_connect(struct smbcli_state *cli)
47 struct smblsa_state *lsa;
49 struct lsa_OpenPolicy r;
50 uint16_t system_name = '\\';
52 struct lsa_ObjectAttribute attr;
53 struct lsa_QosInfo qos;
55 if (cli->lsa != NULL) {
59 lsa = talloc(cli, struct smblsa_state);
61 return NT_STATUS_NO_MEMORY;
64 lsa->ipc_tree = smbcli_tree_init(cli->session, lsa, false);
65 if (lsa->ipc_tree == NULL) {
66 return NT_STATUS_NO_MEMORY;
70 tcon.generic.level = RAW_TCON_TCONX;
71 tcon.tconx.in.flags = 0;
72 tcon.tconx.in.password = data_blob(NULL, 0);
73 tcon.tconx.in.path = "ipc$";
74 tcon.tconx.in.device = "IPC";
75 status = smb_raw_tcon(lsa->ipc_tree, lsa, &tcon);
76 if (!NT_STATUS_IS_OK(status)) {
80 lsa->ipc_tree->tid = tcon.tconx.out.tid;
82 lsa->pipe = dcerpc_pipe_init(lsa, cli->transport->socket->event.ctx,
83 cli->transport->iconv_convenience);
84 if (lsa->pipe == NULL) {
86 return NT_STATUS_NO_MEMORY;
89 /* open the LSA pipe */
90 status = dcerpc_pipe_open_smb(lsa->pipe, lsa->ipc_tree, NDR_LSARPC_NAME);
91 if (!NT_STATUS_IS_OK(status)) {
96 /* bind to the LSA pipe */
97 status = dcerpc_bind_auth_none(lsa->pipe, &ndr_table_lsarpc);
98 if (!NT_STATUS_IS_OK(status)) {
104 /* open a lsa policy handle */
106 qos.impersonation_level = 2;
107 qos.context_mode = 1;
108 qos.effective_only = 0;
111 attr.root_dir = NULL;
112 attr.object_name = NULL;
114 attr.sec_desc = NULL;
117 r.in.system_name = &system_name;
119 r.in.access_mask = SEC_FLAG_MAXIMUM_ALLOWED;
120 r.out.handle = &lsa->handle;
122 status = dcerpc_lsa_OpenPolicy(lsa->pipe, lsa, &r);
123 if (!NT_STATUS_IS_OK(status)) {
135 return the set of privileges for the given sid
137 NTSTATUS smblsa_sid_privileges(struct smbcli_state *cli, struct dom_sid *sid,
139 struct lsa_RightSet *rights)
142 struct lsa_EnumAccountRights r;
144 status = smblsa_connect(cli);
145 if (!NT_STATUS_IS_OK(status)) {
149 r.in.handle = &cli->lsa->handle;
151 r.out.rights = rights;
153 return dcerpc_lsa_EnumAccountRights(cli->lsa->pipe, mem_ctx, &r);
158 check if a named sid has a particular named privilege
160 NTSTATUS smblsa_sid_check_privilege(struct smbcli_state *cli,
162 const char *privilege)
164 struct lsa_RightSet rights;
166 TALLOC_CTX *mem_ctx = talloc_new(cli);
170 sid = dom_sid_parse_talloc(mem_ctx, sid_str);
172 talloc_free(mem_ctx);
173 return NT_STATUS_INVALID_SID;
176 status = smblsa_sid_privileges(cli, sid, mem_ctx, &rights);
177 if (!NT_STATUS_IS_OK(status)) {
178 talloc_free(mem_ctx);
182 for (i=0;i<rights.count;i++) {
183 if (strcmp(rights.names[i].string, privilege) == 0) {
184 talloc_free(mem_ctx);
189 talloc_free(mem_ctx);
190 return NT_STATUS_NOT_FOUND;
195 lookup a SID, returning its name
197 NTSTATUS smblsa_lookup_sid(struct smbcli_state *cli,
202 struct lsa_LookupSids r;
203 struct lsa_TransNameArray names;
204 struct lsa_SidArray sids;
208 TALLOC_CTX *mem_ctx2 = talloc_new(mem_ctx);
210 status = smblsa_connect(cli);
211 if (!NT_STATUS_IS_OK(status)) {
215 sid = dom_sid_parse_talloc(mem_ctx2, sid_str);
217 return NT_STATUS_INVALID_SID;
224 sids.sids = talloc(mem_ctx2, struct lsa_SidPtr);
225 sids.sids[0].sid = sid;
227 r.in.handle = &cli->lsa->handle;
232 r.out.count = &count;
233 r.out.names = &names;
235 status = dcerpc_lsa_LookupSids(cli->lsa->pipe, mem_ctx2, &r);
236 if (!NT_STATUS_IS_OK(status)) {
237 talloc_free(mem_ctx2);
240 if (names.count != 1) {
241 talloc_free(mem_ctx2);
242 return NT_STATUS_UNSUCCESSFUL;
245 (*name) = talloc_asprintf(mem_ctx, "%s\\%s",
246 r.out.domains->domains[0].name.string,
247 names.names[0].name.string);
249 talloc_free(mem_ctx2);
255 lookup a name, returning its sid
257 NTSTATUS smblsa_lookup_name(struct smbcli_state *cli,
260 const char **sid_str)
262 struct lsa_LookupNames r;
263 struct lsa_TransSidArray sids;
264 struct lsa_String names;
268 TALLOC_CTX *mem_ctx2 = talloc_new(mem_ctx);
271 status = smblsa_connect(cli);
272 if (!NT_STATUS_IS_OK(status)) {
281 r.in.handle = &cli->lsa->handle;
287 r.out.count = &count;
290 status = dcerpc_lsa_LookupNames(cli->lsa->pipe, mem_ctx2, &r);
291 if (!NT_STATUS_IS_OK(status)) {
292 talloc_free(mem_ctx2);
295 if (sids.count != 1) {
296 talloc_free(mem_ctx2);
297 return NT_STATUS_UNSUCCESSFUL;
300 sid = r.out.domains->domains[0].sid;
301 rid = sids.sids[0].rid;
303 (*sid_str) = talloc_asprintf(mem_ctx, "%s-%u",
304 dom_sid_string(mem_ctx2, sid), rid);
306 talloc_free(mem_ctx2);
313 add a set of privileges to the given sid
315 NTSTATUS smblsa_sid_add_privileges(struct smbcli_state *cli, struct dom_sid *sid,
317 struct lsa_RightSet *rights)
320 struct lsa_AddAccountRights r;
322 status = smblsa_connect(cli);
323 if (!NT_STATUS_IS_OK(status)) {
327 r.in.handle = &cli->lsa->handle;
329 r.in.rights = rights;
331 return dcerpc_lsa_AddAccountRights(cli->lsa->pipe, mem_ctx, &r);
335 remove a set of privileges from the given sid
337 NTSTATUS smblsa_sid_del_privileges(struct smbcli_state *cli, struct dom_sid *sid,
339 struct lsa_RightSet *rights)
342 struct lsa_RemoveAccountRights r;
344 status = smblsa_connect(cli);
345 if (!NT_STATUS_IS_OK(status)) {
349 r.in.handle = &cli->lsa->handle;
352 r.in.rights = rights;
354 return dcerpc_lsa_RemoveAccountRights(cli->lsa->pipe, mem_ctx, &r);