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s3:include: change smb_request->vuid to uint64_t
[Samba/gebeck_regimport.git] / source4 / torture / unix / whoami.c
blob1e79d7eeb23a8cbab5b8586d62d9e2bb4eb2979d
1 /*
2 Test the SMB_WHOAMI Unix extension.
3
4 Copyright (C) 2007 James Peach
5
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.
10
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.
15
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/>.
18 */
19
20 #include "includes.h"
21 #include "libcli/libcli.h"
22 #include "libcli/raw/raw_proto.h"
23 #include "torture/torture.h"
24 #include "lib/cmdline/popt_common.h"
25 #include "auth/credentials/credentials.h"
26 #include "param/param.h"
27 #include "libcli/resolve/resolve.h"
28
29 /* Size (in bytes) of the required fields in the SMBwhoami response. */
30 #define WHOAMI_REQUIRED_SIZE 40
31
32 /*
33 SMBWhoami - Query the user mapping performed by the server for the
34 connected tree. This is a subcommand of the TRANS2_QFSINFO.
35
36 Returns:
37 4 bytes unsigned - mapping flags (smb_whoami_flags)
38 4 bytes unsigned - flags mask
39
40 8 bytes unsigned - primary UID
41 8 bytes unsigned - primary GID
42 4 bytes unsigned - number of supplementary GIDs
43 4 bytes unsigned - number of SIDs
44 4 bytes unsigned - SID list byte count
45 4 bytes - pad / reserved (must be zero)
46
47 8 bytes unsigned[] - list of GIDs (may be empty)
48 struct dom_sid[] - list of SIDs (may be empty)
49 */
50
51 struct smb_whoami
52 {
53 uint32_t mapping_flags;
54 uint32_t mapping_mask;
55 uint64_t server_uid;
56 uint64_t server_gid;
57 uint32_t num_gids;
58 uint32_t num_sids;
59 uint32_t num_sid_bytes;
60 uint32_t reserved; /* Must be zero */
61 uint64_t * gid_list;
62 struct dom_sid ** sid_list;
63 };
64
65 static struct smbcli_state *connect_to_server(struct torture_context *tctx,
66 struct cli_credentials *creds)
67 {
68 NTSTATUS status;
69 struct smbcli_state *cli;
70
71 const char *host = torture_setting_string(tctx, "host", NULL);
72 const char *share = torture_setting_string(tctx, "share", NULL);
73 struct smbcli_options options;
74 struct smbcli_session_options session_options;
75
76 lpcfg_smbcli_options(tctx->lp_ctx, &options);
77 lpcfg_smbcli_session_options(tctx->lp_ctx, &session_options);
78
79 status = smbcli_full_connection(tctx, &cli, host,
80 lpcfg_smb_ports(tctx->lp_ctx),
81 share, NULL, lpcfg_socket_options(tctx->lp_ctx),
82 creds, lpcfg_resolve_context(tctx->lp_ctx),
83 tctx->ev, &options, &session_options,
84 lpcfg_gensec_settings(tctx, tctx->lp_ctx));
85
86 if (!NT_STATUS_IS_OK(status)) {
87 printf("failed to connect to //%s/%s: %s\n",
88 host, share, nt_errstr(status));
89 return NULL;
90 }
91
92 return cli;
93 }
94
95 static bool sid_parse(void *mem_ctx,
96 struct torture_context *torture,
97 DATA_BLOB *data, size_t *offset,
98 struct dom_sid **psid)
99 {
100 size_t remain = data->length - *offset;
101 int i;
102
103 *psid = talloc_zero(mem_ctx, struct dom_sid);
104 torture_assert(torture, *psid != NULL, "out of memory");
105
106 torture_assert(torture, remain >= 8,
107 "invalid SID format");
108
109 (*psid)->sid_rev_num = CVAL(data->data, *offset);
110 (*psid)->num_auths = CVAL(data->data, *offset + 1);
111 memcpy((*psid)->id_auth, data->data + *offset + 2, 6);
112
113 (*offset) += 8;
114 remain = data->length - *offset;
115
116 torture_assert(torture, remain >= ((*psid)->num_auths * 4),
117 "invalid sub_auth byte count");
118 torture_assert(torture, (*psid)->num_auths >= 0,
119 "invalid sub_auth value");
120 torture_assert(torture, (*psid)->num_auths <= 15,
121 "invalid sub_auth value");
122
123 for (i = 0; i < (*psid)->num_auths; i++) {
124 (*psid)->sub_auths[i] = IVAL(data->data, *offset);
125 (*offset) += 4;
126 }
127
128 return true;
129 }
130
131 static bool smb_raw_query_posix_whoami(void *mem_ctx,
132 struct torture_context *torture,
133 struct smbcli_state *cli,
134 struct smb_whoami *whoami,
135 unsigned max_data)
136 {
137 struct smb_trans2 tp;
138 NTSTATUS status;
139 size_t offset;
140 int i;
141
142 uint16_t setup = TRANSACT2_QFSINFO;
143 uint16_t info_level;
144
145 ZERO_STRUCTP(whoami);
146
147 tp.in.max_setup = 0;
148 tp.in.flags = 0;
149 tp.in.timeout = 0;
150 tp.in.setup_count = 1;
151 tp.in.max_param = 10;
152 tp.in.max_data = (uint16_t)max_data;
153 tp.in.setup = &setup;
154 tp.in.trans_name = NULL;
155 SSVAL(&info_level, 0, SMB_QFS_POSIX_WHOAMI);
156 tp.in.params = data_blob_talloc(mem_ctx, &info_level, 2);
157 tp.in.data = data_blob_talloc(mem_ctx, NULL, 0);
158
159 status = smb_raw_trans2(cli->tree, mem_ctx, &tp);
160 torture_assert_ntstatus_equal(torture, status, NT_STATUS_OK,
161 "doing SMB_QFS_POSIX_WHOAMI");
162
163 /* Make sure we got back all the required fields. */
164 torture_assert(torture, tp.out.params.length == 0,
165 "trans2 params should be empty");
166 torture_assert(torture, tp.out.data.length >= WHOAMI_REQUIRED_SIZE,
167 "checking for required response fields");
168
169 whoami->mapping_flags = IVAL(tp.out.data.data, 0);
170 whoami->mapping_mask = IVAL(tp.out.data.data, 4);
171 whoami->server_uid = BVAL(tp.out.data.data, 8);
172 whoami->server_gid = BVAL(tp.out.data.data, 16);
173 whoami->num_gids = IVAL(tp.out.data.data, 24);
174 whoami->num_sids = IVAL(tp.out.data.data, 28);
175 whoami->num_sid_bytes = IVAL(tp.out.data.data, 32);
176 whoami->reserved = IVAL(tp.out.data.data, 36);
177
178 /* The GID list and SID list are optional, depending on the count
179 * and length fields.
180 */
181 if (whoami->num_sids != 0) {
182 torture_assert(torture, whoami->num_sid_bytes != 0,
183 "SID count does not match byte count");
184 }
185
186 printf("\tmapping_flags=0x%08x mapping_mask=0x%08x\n",
187 whoami->mapping_flags, whoami->mapping_mask);
188 printf("\tserver UID=%llu GID=%llu\n",
189 (unsigned long long)whoami->server_uid, (unsigned long long)whoami->server_gid);
190 printf("\t%u GIDs, %u SIDs, %u SID bytes\n",
191 whoami->num_gids, whoami->num_sids,
192 whoami->num_sid_bytes);
193
194 offset = WHOAMI_REQUIRED_SIZE;
195
196 torture_assert_int_equal(torture, whoami->reserved, 0,
197 "invalid reserved field");
198
199 if (tp.out.data.length == offset) {
200 /* No SIDs or GIDs returned */
201 torture_assert_int_equal(torture, whoami->num_gids, 0,
202 "invalid GID count");
203 torture_assert_int_equal(torture, whoami->num_sids, 0,
204 "invalid SID count");
205 torture_assert_int_equal(torture, whoami->num_sid_bytes, 0,
206 "invalid SID byte count");
207 return true;
208 }
209
210 if (whoami->num_gids != 0) {
211 int remain = tp.out.data.length - offset;
212 int gid_bytes = whoami->num_gids * 8;
213
214 if (whoami->num_sids == 0) {
215 torture_assert_int_equal(torture, remain, gid_bytes,
216 "GID count does not match data length");
217 } else {
218 torture_assert(torture, remain > gid_bytes,
219 "invalid GID count");
220 }
221
222 whoami->gid_list = talloc_array(mem_ctx, uint64_t, whoami->num_gids);
223 torture_assert(torture, whoami->gid_list != NULL, "out of memory");
224
225 for (i = 0; i < whoami->num_gids; ++i) {
226 whoami->gid_list[i] = BVAL(tp.out.data.data, offset);
227 offset += 8;
228 }
229 }
230
231 /* Check if there should be data left for the SID list. */
232 if (tp.out.data.length == offset) {
233 torture_assert_int_equal(torture, whoami->num_sids, 0,
234 "invalid SID count");
235 return true;
236 }
237
238 /* All the remaining bytes must be the SID list. */
239 torture_assert_int_equal(torture,
240 whoami->num_sid_bytes, (tp.out.data.length - offset),
241 "invalid SID byte count");
242
243 if (whoami->num_sids != 0) {
244
245 whoami->sid_list = talloc_array(mem_ctx, struct dom_sid *,
246 whoami->num_sids);
247 torture_assert(torture, whoami->sid_list != NULL,
248 "out of memory");
249
250 for (i = 0; i < whoami->num_sids; ++i) {
251 if (!sid_parse(mem_ctx, torture,
252 &tp.out.data, &offset,
253 &whoami->sid_list[i])) {
254 return false;
255 }
256
257 }
258 }
259
260 /* We should be at the end of the response now. */
261 torture_assert_int_equal(torture, tp.out.data.length, offset,
262 "trailing garbage bytes");
263
264 return true;
265 }
266
267 bool torture_unix_whoami(struct torture_context *torture)
268 {
269 struct smbcli_state *cli;
270 struct cli_credentials *anon_credentials;
271 struct smb_whoami whoami;
272
273 if (!(cli = connect_to_server(torture, cmdline_credentials))) {
274 return false;
275 }
276
277 /* Test basic authenticated mapping. */
278 printf("calling SMB_QFS_POSIX_WHOAMI on an authenticated connection\n");
279 if (!smb_raw_query_posix_whoami(torture, torture,
280 cli, &whoami, 0xFFFF)) {
281 smbcli_tdis(cli);
282 return false;
283 }
284
285 /* Test that the server drops the UID and GID list. */
286 printf("calling SMB_QFS_POSIX_WHOAMI with a small buffer\n");
287 if (!smb_raw_query_posix_whoami(torture, torture,
288 cli, &whoami, 0x40)) {
289 smbcli_tdis(cli);
290 return false;
291 }
292
293 torture_assert_int_equal(torture, whoami.num_gids, 0,
294 "invalid GID count");
295 torture_assert_int_equal(torture, whoami.num_sids, 0,
296 "invalid SID count");
297 torture_assert_int_equal(torture, whoami.num_sid_bytes, 0,
298 "invalid SID bytes count");
299
300 smbcli_tdis(cli);
301
302 printf("calling SMB_QFS_POSIX_WHOAMI on an anonymous connection\n");
303 anon_credentials = cli_credentials_init_anon(torture);
304
305 if (!(cli = connect_to_server(torture, anon_credentials))) {
306 return false;
307 }
308
309 if (!smb_raw_query_posix_whoami(torture, torture,
310 cli, &whoami, 0xFFFF)) {
311 smbcli_tdis(cli);
312 return false;
313 }
314
315 smbcli_tdis(cli);
316
317 /* Check that our anonymous login mapped us to guest on the server, but
318 * only if the server supports this.
319 */
320 if (whoami.mapping_mask & SMB_WHOAMI_GUEST) {
321 printf("checking whether we were logged in as guest... %s\n",
322 whoami.mapping_flags & SMB_WHOAMI_GUEST ? "YES" : "NO");
323 torture_assert(torture, whoami.mapping_flags & SMB_WHOAMI_GUEST,
324 "anonymous login did not map to guest");
325 } else {
326 printf("server does not support SMB_WHOAMI_GUEST flag\n");
327 }
328
329 return true;
330 }
331
332 /* vim: set sts=8 sw=8 : */
reg import