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 if (lsa->pipe == NULL) {
85 return NT_STATUS_NO_MEMORY;
88 /* open the LSA pipe */
89 status = dcerpc_pipe_open_smb(lsa->pipe, lsa->ipc_tree, NDR_LSARPC_NAME);
90 if (!NT_STATUS_IS_OK(status)) {
95 /* bind to the LSA pipe */
96 status = dcerpc_bind_auth_none(lsa->pipe, &ndr_table_lsarpc);
97 if (!NT_STATUS_IS_OK(status)) {
103 /* open a lsa policy handle */
105 qos.impersonation_level = 2;
106 qos.context_mode = 1;
107 qos.effective_only = 0;
110 attr.root_dir = NULL;
111 attr.object_name = NULL;
113 attr.sec_desc = NULL;
116 r.in.system_name = &system_name;
118 r.in.access_mask = SEC_FLAG_MAXIMUM_ALLOWED;
119 r.out.handle = &lsa->handle;
121 status = dcerpc_lsa_OpenPolicy(lsa->pipe, lsa, &r);
122 if (!NT_STATUS_IS_OK(status)) {
134 return the set of privileges for the given sid
136 NTSTATUS smblsa_sid_privileges(struct smbcli_state *cli, struct dom_sid *sid,
138 struct lsa_RightSet *rights)
141 struct lsa_EnumAccountRights r;
143 status = smblsa_connect(cli);
144 if (!NT_STATUS_IS_OK(status)) {
148 r.in.handle = &cli->lsa->handle;
150 r.out.rights = rights;
152 return dcerpc_lsa_EnumAccountRights(cli->lsa->pipe, mem_ctx, &r);
157 check if a named sid has a particular named privilege
159 NTSTATUS smblsa_sid_check_privilege(struct smbcli_state *cli,
161 const char *privilege)
163 struct lsa_RightSet rights;
165 TALLOC_CTX *mem_ctx = talloc_new(cli);
169 sid = dom_sid_parse_talloc(mem_ctx, sid_str);
171 talloc_free(mem_ctx);
172 return NT_STATUS_INVALID_SID;
175 status = smblsa_sid_privileges(cli, sid, mem_ctx, &rights);
176 if (!NT_STATUS_IS_OK(status)) {
177 talloc_free(mem_ctx);
181 for (i=0;i<rights.count;i++) {
182 if (strcmp(rights.names[i].string, privilege) == 0) {
183 talloc_free(mem_ctx);
188 talloc_free(mem_ctx);
189 return NT_STATUS_NOT_FOUND;
194 lookup a SID, returning its name
196 NTSTATUS smblsa_lookup_sid(struct smbcli_state *cli,
201 struct lsa_LookupSids r;
202 struct lsa_TransNameArray names;
203 struct lsa_SidArray sids;
207 TALLOC_CTX *mem_ctx2 = talloc_new(mem_ctx);
209 status = smblsa_connect(cli);
210 if (!NT_STATUS_IS_OK(status)) {
214 sid = dom_sid_parse_talloc(mem_ctx2, sid_str);
216 return NT_STATUS_INVALID_SID;
223 sids.sids = talloc(mem_ctx2, struct lsa_SidPtr);
224 sids.sids[0].sid = sid;
226 r.in.handle = &cli->lsa->handle;
231 r.out.count = &count;
232 r.out.names = &names;
234 status = dcerpc_lsa_LookupSids(cli->lsa->pipe, mem_ctx2, &r);
235 if (!NT_STATUS_IS_OK(status)) {
236 talloc_free(mem_ctx2);
239 if (names.count != 1) {
240 talloc_free(mem_ctx2);
241 return NT_STATUS_UNSUCCESSFUL;
244 (*name) = talloc_asprintf(mem_ctx, "%s\\%s",
245 r.out.domains->domains[0].name.string,
246 names.names[0].name.string);
248 talloc_free(mem_ctx2);
254 lookup a name, returning its sid
256 NTSTATUS smblsa_lookup_name(struct smbcli_state *cli,
259 const char **sid_str)
261 struct lsa_LookupNames r;
262 struct lsa_TransSidArray sids;
263 struct lsa_String names;
267 TALLOC_CTX *mem_ctx2 = talloc_new(mem_ctx);
270 status = smblsa_connect(cli);
271 if (!NT_STATUS_IS_OK(status)) {
280 r.in.handle = &cli->lsa->handle;
286 r.out.count = &count;
289 status = dcerpc_lsa_LookupNames(cli->lsa->pipe, mem_ctx2, &r);
290 if (!NT_STATUS_IS_OK(status)) {
291 talloc_free(mem_ctx2);
294 if (sids.count != 1) {
295 talloc_free(mem_ctx2);
296 return NT_STATUS_UNSUCCESSFUL;
299 sid = r.out.domains->domains[0].sid;
300 rid = sids.sids[0].rid;
302 (*sid_str) = talloc_asprintf(mem_ctx, "%s-%u",
303 dom_sid_string(mem_ctx2, sid), rid);
305 talloc_free(mem_ctx2);
312 add a set of privileges to the given sid
314 NTSTATUS smblsa_sid_add_privileges(struct smbcli_state *cli, struct dom_sid *sid,
316 struct lsa_RightSet *rights)
319 struct lsa_AddAccountRights r;
321 status = smblsa_connect(cli);
322 if (!NT_STATUS_IS_OK(status)) {
326 r.in.handle = &cli->lsa->handle;
328 r.in.rights = rights;
330 return dcerpc_lsa_AddAccountRights(cli->lsa->pipe, mem_ctx, &r);
334 remove a set of privileges from the given sid
336 NTSTATUS smblsa_sid_del_privileges(struct smbcli_state *cli, struct dom_sid *sid,
338 struct lsa_RightSet *rights)
341 struct lsa_RemoveAccountRights r;
343 status = smblsa_connect(cli);
344 if (!NT_STATUS_IS_OK(status)) {
348 r.in.handle = &cli->lsa->handle;
351 r.in.rights = rights;
353 return dcerpc_lsa_RemoveAccountRights(cli->lsa->pipe, mem_ctx, &r);