2 Unix SMB/CIFS implementation.
4 Copyright (C) Rafal Szczesniak 2005
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 3 of the License, or
9 (at your option) any later version.
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with this program. If not, see <http://www.gnu.org/licenses/>.
21 a composite function for getting user information via samr pipe
25 #include "libcli/composite/composite.h"
26 #include "libnet/composite.h"
27 #include "librpc/gen_ndr/security.h"
28 #include "libcli/security/security.h"
29 #include "libnet/userman.h"
30 #include "libnet/userinfo.h"
31 #include "librpc/gen_ndr/ndr_samr_c.h"
32 #include "libnet/libnet_proto.h"
35 struct userinfo_state {
36 struct dcerpc_pipe *pipe;
37 struct policy_handle domain_handle;
38 struct policy_handle user_handle;
40 struct samr_LookupNames lookup;
41 struct samr_OpenUser openuser;
42 struct samr_QueryUserInfo queryuserinfo;
43 struct samr_Close samrclose;
44 union samr_UserInfo *info;
46 /* information about the progress */
47 void (*monitor_fn)(struct monitor_msg *);
51 static void continue_userinfo_lookup(struct rpc_request *req);
52 static void continue_userinfo_openuser(struct rpc_request *req);
53 static void continue_userinfo_getuser(struct rpc_request *req);
54 static void continue_userinfo_closeuser(struct rpc_request *req);
58 * Stage 1 (optional): Look for a username in SAM server.
60 static void continue_userinfo_lookup(struct rpc_request *req)
62 struct composite_context *c;
63 struct userinfo_state *s;
64 struct rpc_request *openuser_req;
65 struct monitor_msg msg;
66 struct msg_rpc_lookup_name *msg_lookup;
68 c = talloc_get_type(req->async.private_data, struct composite_context);
69 s = talloc_get_type(c->private_data, struct userinfo_state);
71 /* receive samr_Lookup reply */
72 c->status = dcerpc_ndr_request_recv(req);
73 if (!composite_is_ok(c)) return;
75 /* there could be a problem with name resolving itself */
76 if (!NT_STATUS_IS_OK(s->lookup.out.result)) {
77 composite_error(c, s->lookup.out.result);
81 /* issue a monitor message */
83 msg.type = mon_SamrLookupName;
84 msg_lookup = talloc(s, struct msg_rpc_lookup_name);
85 msg_lookup->rid = s->lookup.out.rids->ids;
86 msg_lookup->count = s->lookup.out.rids->count;
87 msg.data = (void*)msg_lookup;
88 msg.data_size = sizeof(*msg_lookup);
94 /* have we actually got name resolved
95 - we're looking for only one at the moment */
96 if (s->lookup.out.rids->count == 0) {
97 composite_error(c, NT_STATUS_NO_SUCH_USER);
100 /* TODO: find proper status code for more than one rid found */
102 /* prepare parameters for LookupNames */
103 s->openuser.in.domain_handle = &s->domain_handle;
104 s->openuser.in.access_mask = SEC_FLAG_MAXIMUM_ALLOWED;
105 s->openuser.in.rid = s->lookup.out.rids->ids[0];
106 s->openuser.out.user_handle = &s->user_handle;
109 openuser_req = dcerpc_samr_OpenUser_send(s->pipe, c, &s->openuser);
110 if (composite_nomem(openuser_req, c)) return;
112 composite_continue_rpc(c, openuser_req, continue_userinfo_openuser, c);
117 * Stage 2: Open user policy handle.
119 static void continue_userinfo_openuser(struct rpc_request *req)
121 struct composite_context *c;
122 struct userinfo_state *s;
123 struct rpc_request *queryuser_req;
124 struct monitor_msg msg;
125 struct msg_rpc_open_user *msg_open;
127 c = talloc_get_type(req->async.private_data, struct composite_context);
128 s = talloc_get_type(c->private_data, struct userinfo_state);
130 /* receive samr_OpenUser reply */
131 c->status = dcerpc_ndr_request_recv(req);
132 if (!composite_is_ok(c)) return;
134 if (!NT_STATUS_IS_OK(s->queryuserinfo.out.result)) {
135 composite_error(c, s->queryuserinfo.out.result);
139 /* issue a monitor message */
141 msg.type = mon_SamrOpenUser;
142 msg_open = talloc(s, struct msg_rpc_open_user);
143 msg_open->rid = s->openuser.in.rid;
144 msg_open->access_mask = s->openuser.in.access_mask;
145 msg.data = (void*)msg_open;
146 msg.data_size = sizeof(*msg_open);
151 /* prepare parameters for QueryUserInfo call */
152 s->queryuserinfo.in.user_handle = &s->user_handle;
153 s->queryuserinfo.in.level = s->level;
155 /* queue rpc call, set event handling and new state */
156 queryuser_req = dcerpc_samr_QueryUserInfo_send(s->pipe, c, &s->queryuserinfo);
157 if (composite_nomem(queryuser_req, c)) return;
159 composite_continue_rpc(c, queryuser_req, continue_userinfo_getuser, c);
164 * Stage 3: Get requested user information.
166 static void continue_userinfo_getuser(struct rpc_request *req)
168 struct composite_context *c;
169 struct userinfo_state *s;
170 struct rpc_request *close_req;
171 struct monitor_msg msg;
172 struct msg_rpc_query_user *msg_query;
174 c = talloc_get_type(req->async.private_data, struct composite_context);
175 s = talloc_get_type(c->private_data, struct userinfo_state);
177 /* receive samr_QueryUserInfo reply */
178 c->status = dcerpc_ndr_request_recv(req);
179 if (!composite_is_ok(c)) return;
181 /* check if queryuser itself went ok */
182 if (!NT_STATUS_IS_OK(s->queryuserinfo.out.result)) {
183 composite_error(c, s->queryuserinfo.out.result);
187 s->info = talloc_steal(s, s->queryuserinfo.out.info);
189 /* issue a monitor message */
191 msg.type = mon_SamrQueryUser;
192 msg_query = talloc(s, struct msg_rpc_query_user);
193 msg_query->level = s->queryuserinfo.in.level;
194 msg.data = (void*)msg_query;
195 msg.data_size = sizeof(*msg_query);
200 /* prepare arguments for Close call */
201 s->samrclose.in.handle = &s->user_handle;
202 s->samrclose.out.handle = &s->user_handle;
204 /* queue rpc call, set event handling and new state */
205 close_req = dcerpc_samr_Close_send(s->pipe, c, &s->samrclose);
206 if (composite_nomem(close_req, c)) return;
208 composite_continue_rpc(c, close_req, continue_userinfo_closeuser, c);
213 * Stage 4: Close policy handle associated with opened user.
215 static void continue_userinfo_closeuser(struct rpc_request *req)
217 struct composite_context *c;
218 struct userinfo_state *s;
219 struct monitor_msg msg;
220 struct msg_rpc_close_user *msg_close;
222 c = talloc_get_type(req->async.private_data, struct composite_context);
223 s = talloc_get_type(c->private_data, struct userinfo_state);
225 /* receive samr_Close reply */
226 c->status = dcerpc_ndr_request_recv(req);
227 if (!composite_is_ok(c)) return;
229 if (!NT_STATUS_IS_OK(s->samrclose.out.result)) {
230 composite_error(c, s->samrclose.out.result);
234 /* issue a monitor message */
236 msg.type = mon_SamrClose;
237 msg_close = talloc(s, struct msg_rpc_close_user);
238 msg_close->rid = s->openuser.in.rid;
239 msg.data = (void*)msg_close;
240 msg.data_size = sizeof(*msg_close);
250 * Sends asynchronous userinfo request
252 * @param p dce/rpc call pipe
253 * @param io arguments and results of the call
255 struct composite_context *libnet_rpc_userinfo_send(struct dcerpc_pipe *p,
256 struct libnet_rpc_userinfo *io,
257 void (*monitor)(struct monitor_msg*))
259 struct composite_context *c;
260 struct userinfo_state *s;
262 struct rpc_request *openuser_req, *lookup_req;
264 if (!p || !io) return NULL;
266 c = composite_create(p, dcerpc_event_context(p));
267 if (c == NULL) return c;
269 s = talloc_zero(c, struct userinfo_state);
270 if (composite_nomem(s, c)) return c;
274 s->level = io->in.level;
276 s->domain_handle = io->in.domain_handle;
277 s->monitor_fn = monitor;
280 sid = dom_sid_parse_talloc(s, io->in.sid);
281 if (composite_nomem(sid, c)) return c;
283 s->openuser.in.domain_handle = &s->domain_handle;
284 s->openuser.in.access_mask = SEC_FLAG_MAXIMUM_ALLOWED;
285 s->openuser.in.rid = sid->sub_auths[sid->num_auths - 1];
286 s->openuser.out.user_handle = &s->user_handle;
289 openuser_req = dcerpc_samr_OpenUser_send(p, c, &s->openuser);
290 if (composite_nomem(openuser_req, c)) return c;
292 composite_continue_rpc(c, openuser_req, continue_userinfo_openuser, c);
295 /* preparing parameters to send rpc request */
296 s->lookup.in.domain_handle = &s->domain_handle;
297 s->lookup.in.num_names = 1;
298 s->lookup.in.names = talloc_array(s, struct lsa_String, 1);
299 if (composite_nomem(s->lookup.in.names, c)) return c;
300 s->lookup.out.rids = talloc_zero(s, struct samr_Ids);
301 s->lookup.out.types = talloc_zero(s, struct samr_Ids);
302 if (composite_nomem(s->lookup.out.rids, c)) return c;
303 if (composite_nomem(s->lookup.out.types, c)) return c;
305 s->lookup.in.names[0].string = talloc_strdup(s, io->in.username);
306 if (composite_nomem(s->lookup.in.names[0].string, c)) return c;
309 lookup_req = dcerpc_samr_LookupNames_send(p, c, &s->lookup);
310 if (composite_nomem(lookup_req, c)) return c;
312 composite_continue_rpc(c, lookup_req, continue_userinfo_lookup, c);
320 * Waits for and receives result of asynchronous userinfo call
322 * @param c composite context returned by asynchronous userinfo call
323 * @param mem_ctx memory context of the call
324 * @param io pointer to results (and arguments) of the call
325 * @return nt status code of execution
328 NTSTATUS libnet_rpc_userinfo_recv(struct composite_context *c, TALLOC_CTX *mem_ctx,
329 struct libnet_rpc_userinfo *io)
332 struct userinfo_state *s;
334 /* wait for results of sending request */
335 status = composite_wait(c);
337 if (NT_STATUS_IS_OK(status) && io) {
338 s = talloc_get_type(c->private_data, struct userinfo_state);
339 talloc_steal(mem_ctx, s->info);
340 io->out.info = *s->info;
343 /* memory context associated to composite context is no longer needed */
350 * Synchronous version of userinfo call
352 * @param pipe dce/rpc call pipe
353 * @param mem_ctx memory context for the call
354 * @param io arguments and results of the call
355 * @return nt status code of execution
358 NTSTATUS libnet_rpc_userinfo(struct dcerpc_pipe *p,
360 struct libnet_rpc_userinfo *io)
362 struct composite_context *c = libnet_rpc_userinfo_send(p, io, NULL);
363 return libnet_rpc_userinfo_recv(c, mem_ctx, io);