2 Unix SMB/CIFS implementation.
3 SMB trans2 alias scanner
4 Copyright (C) Andrew Tridgell 2003
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 2 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, write to the Free Software
18 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
22 #include "dlinklist.h"
24 int create_complex_file(struct smbcli_state *cli, TALLOC_CTX *mem_ctx, const char *fname);
27 struct trans2_blobs *next, *prev;
29 DATA_BLOB params, data;
32 /* look for aliases for a query */
33 static void gen_aliases(struct smbcli_state *cli, struct smb_trans2 *t2, int level_offset)
37 struct trans2_blobs *alias_blobs = NULL;
38 struct trans2_blobs *t2b, *t2b2;
39 int count=0, alias_count=0;
41 mem_ctx = talloc_init("aliases");
43 for (level=0;level<2000;level++) {
46 SSVAL(t2->in.params.data, level_offset, level);
48 status = smb_raw_trans2(cli->tree, mem_ctx, t2);
49 if (!NT_STATUS_IS_OK(status)) continue;
51 t2b = talloc(mem_ctx, struct trans2_blobs);
53 t2b->params = t2->out.params;
54 t2b->data = t2->out.data;
55 DLIST_ADD(alias_blobs, t2b);
56 d_printf("\tFound level %4u (0x%03x) of size %3d (0x%02x)\n",
58 (int)t2b->data.length, t2b->data.length);
62 d_printf("Found %d levels with success status\n", count);
64 for (t2b=alias_blobs; t2b; t2b=t2b->next) {
65 for (t2b2=alias_blobs; t2b2; t2b2=t2b2->next) {
66 if (t2b->level >= t2b2->level) continue;
67 if (data_blob_equal(&t2b->params, &t2b2->params) &&
68 data_blob_equal(&t2b->data, &t2b2->data)) {
69 printf("\tLevel %u (0x%x) and level %u (0x%x) are possible aliases\n",
70 t2b->level, t2b->level, t2b2->level, t2b2->level);
76 d_printf("Found %d aliased levels\n", alias_count);
81 /* look for qfsinfo aliases */
82 static void qfsinfo_aliases(struct smbcli_state *cli)
85 uint16_t setup = TRANSACT2_QFSINFO;
87 d_printf("\nChecking for QFSINFO aliases\n");
90 t2.in.max_data = smb_raw_max_trans_data(cli->tree, 0);
94 t2.in.setup_count = 1;
96 t2.in.params = data_blob(NULL, 2);
97 t2.in.data = data_blob(NULL, 0);
99 gen_aliases(cli, &t2, 0);
102 /* look for qfileinfo aliases */
103 static void qfileinfo_aliases(struct smbcli_state *cli)
105 struct smb_trans2 t2;
106 uint16_t setup = TRANSACT2_QFILEINFO;
107 const char *fname = "\\qfileinfo_aliases.txt";
110 d_printf("\nChecking for QFILEINFO aliases\n");
113 t2.in.max_data = smb_raw_max_trans_data(cli->tree, 2);
117 t2.in.setup_count = 1;
118 t2.in.setup = &setup;
119 t2.in.params = data_blob(NULL, 4);
120 t2.in.data = data_blob(NULL, 0);
122 smbcli_unlink(cli->tree, fname);
123 fnum = create_complex_file(cli, cli, fname);
125 printf("ERROR: open of %s failed (%s)\n", fname, smbcli_errstr(cli->tree));
128 smbcli_write(cli->tree, fnum, 0, &t2, 0, sizeof(t2));
130 SSVAL(t2.in.params.data, 0, fnum);
132 gen_aliases(cli, &t2, 2);
134 smbcli_close(cli->tree, fnum);
135 smbcli_unlink(cli->tree, fname);
139 /* look for qpathinfo aliases */
140 static void qpathinfo_aliases(struct smbcli_state *cli)
142 struct smb_trans2 t2;
143 uint16_t setup = TRANSACT2_QPATHINFO;
144 const char *fname = "\\qpathinfo_aliases.txt";
148 mem_ctx = talloc_init("qpathinfo");
150 d_printf("\nChecking for QPATHINFO aliases\n");
153 t2.in.max_data = smb_raw_max_trans_data(cli->tree, 2);
157 t2.in.setup_count = 1;
158 t2.in.setup = &setup;
159 t2.in.params = data_blob_talloc(mem_ctx, NULL, 6);
160 t2.in.data = data_blob(NULL, 0);
162 smbcli_unlink(cli->tree, fname);
163 fnum = create_complex_file(cli, cli, fname);
165 printf("ERROR: open of %s failed (%s)\n", fname, smbcli_errstr(cli->tree));
168 smbcli_write(cli->tree, fnum, 0, &t2, 0, sizeof(t2));
169 smbcli_close(cli->tree, fnum);
171 SIVAL(t2.in.params.data, 2, 0);
173 smbcli_blob_append_string(cli->session, mem_ctx, &t2.in.params,
174 fname, STR_TERMINATE);
176 gen_aliases(cli, &t2, 0);
178 smbcli_unlink(cli->tree, fname);
179 talloc_free(mem_ctx);
183 /* look for trans2 findfirst aliases */
184 static void findfirst_aliases(struct smbcli_state *cli)
186 struct smb_trans2 t2;
187 uint16_t setup = TRANSACT2_FINDFIRST;
188 const char *fname = "\\findfirst_aliases.txt";
192 mem_ctx = talloc_init("findfirst");
194 d_printf("\nChecking for FINDFIRST aliases\n");
196 t2.in.max_param = 16;
197 t2.in.max_data = smb_raw_max_trans_data(cli->tree, 16);
201 t2.in.setup_count = 1;
202 t2.in.setup = &setup;
203 t2.in.params = data_blob_talloc(mem_ctx, NULL, 12);
204 t2.in.data = data_blob(NULL, 0);
206 smbcli_unlink(cli->tree, fname);
207 fnum = create_complex_file(cli, cli, fname);
209 printf("ERROR: open of %s failed (%s)\n", fname, smbcli_errstr(cli->tree));
212 smbcli_write(cli->tree, fnum, 0, &t2, 0, sizeof(t2));
213 smbcli_close(cli->tree, fnum);
215 SSVAL(t2.in.params.data, 0, 0);
216 SSVAL(t2.in.params.data, 2, 1);
217 SSVAL(t2.in.params.data, 4, FLAG_TRANS2_FIND_CLOSE);
218 SSVAL(t2.in.params.data, 6, 0);
219 SIVAL(t2.in.params.data, 8, 0);
221 smbcli_blob_append_string(cli->session, mem_ctx, &t2.in.params,
222 fname, STR_TERMINATE);
224 gen_aliases(cli, &t2, 6);
226 smbcli_unlink(cli->tree, fname);
227 talloc_free(mem_ctx);
232 /* look for aliases for a set function */
233 static void gen_set_aliases(struct smbcli_state *cli, struct smb_trans2 *t2, int level_offset)
237 struct trans2_blobs *alias_blobs = NULL;
238 struct trans2_blobs *t2b;
241 mem_ctx = talloc_init("aliases");
243 for (level=1;level<1100;level++) {
244 NTSTATUS status, status1;
245 SSVAL(t2->in.params.data, level_offset, level);
247 status1 = NT_STATUS_OK;
249 for (dsize=2; dsize<1024; dsize += 2) {
250 data_blob_free(&t2->in.data);
251 t2->in.data = data_blob(NULL, dsize);
252 data_blob_clear(&t2->in.data);
253 status = smb_raw_trans2(cli->tree, mem_ctx, t2);
254 /* some error codes mean that this whole level doesn't exist */
255 if (NT_STATUS_EQUAL(NT_STATUS_INVALID_LEVEL, status) ||
256 NT_STATUS_EQUAL(NT_STATUS_INVALID_INFO_CLASS, status) ||
257 NT_STATUS_EQUAL(NT_STATUS_NOT_SUPPORTED, status)) {
260 if (NT_STATUS_IS_OK(status)) break;
262 /* invalid parameter means that the level exists at this
263 size, but the contents are wrong (not surprising with
265 if (NT_STATUS_EQUAL(status, NT_STATUS_INVALID_PARAMETER)) break;
267 /* this is the usual code for 'wrong size' */
268 if (NT_STATUS_EQUAL(status, NT_STATUS_INFO_LENGTH_MISMATCH)) {
272 if (!NT_STATUS_EQUAL(status, status1)) {
273 printf("level=%d size=%d %s\n", level, dsize, nt_errstr(status));
278 if (!NT_STATUS_IS_OK(status) &&
279 !NT_STATUS_EQUAL(status, NT_STATUS_INVALID_PARAMETER)) continue;
281 t2b = talloc(mem_ctx, struct trans2_blobs);
283 t2b->params = t2->out.params;
284 t2b->data = t2->out.data;
285 DLIST_ADD(alias_blobs, t2b);
286 d_printf("\tFound level %4u (0x%03x) of size %3d (0x%02x)\n",
288 (int)t2->in.data.length, t2->in.data.length);
292 d_printf("Found %d valid levels\n", count);
293 talloc_free(mem_ctx);
298 /* look for setfileinfo aliases */
299 static void setfileinfo_aliases(struct smbcli_state *cli)
301 struct smb_trans2 t2;
302 uint16_t setup = TRANSACT2_SETFILEINFO;
303 const char *fname = "\\setfileinfo_aliases.txt";
306 d_printf("\nChecking for SETFILEINFO aliases\n");
313 t2.in.setup_count = 1;
314 t2.in.setup = &setup;
315 t2.in.params = data_blob(NULL, 6);
316 t2.in.data = data_blob(NULL, 0);
318 smbcli_unlink(cli->tree, fname);
319 fnum = create_complex_file(cli, cli, fname);
321 printf("ERROR: open of %s failed (%s)\n", fname, smbcli_errstr(cli->tree));
324 smbcli_write(cli->tree, fnum, 0, &t2, 0, sizeof(t2));
326 SSVAL(t2.in.params.data, 0, fnum);
327 SSVAL(t2.in.params.data, 4, 0);
329 gen_set_aliases(cli, &t2, 2);
331 smbcli_close(cli->tree, fnum);
332 smbcli_unlink(cli->tree, fname);
335 /* look for setpathinfo aliases */
336 static void setpathinfo_aliases(struct smbcli_state *cli)
338 struct smb_trans2 t2;
339 uint16_t setup = TRANSACT2_SETPATHINFO;
340 const char *fname = "\\setpathinfo_aliases.txt";
344 mem_ctx = talloc_init("findfirst");
346 d_printf("\nChecking for SETPATHINFO aliases\n");
348 t2.in.max_param = 32;
349 t2.in.max_data = smb_raw_max_trans_data(cli->tree, 32);
353 t2.in.setup_count = 1;
354 t2.in.setup = &setup;
355 t2.in.params = data_blob_talloc(mem_ctx, NULL, 4);
356 t2.in.data = data_blob(NULL, 0);
358 smbcli_unlink(cli->tree, fname);
360 fnum = create_complex_file(cli, cli, fname);
362 printf("ERROR: open of %s failed (%s)\n", fname, smbcli_errstr(cli->tree));
365 smbcli_write(cli->tree, fnum, 0, &t2, 0, sizeof(t2));
366 smbcli_close(cli->tree, fnum);
368 SSVAL(t2.in.params.data, 2, 0);
370 smbcli_blob_append_string(cli->session, mem_ctx, &t2.in.params,
371 fname, STR_TERMINATE);
373 gen_set_aliases(cli, &t2, 0);
375 if (NT_STATUS_IS_ERR(smbcli_unlink(cli->tree, fname))) {
376 printf("unlink: %s\n", smbcli_errstr(cli->tree));
378 talloc_free(mem_ctx);
382 /* look for aliased info levels in trans2 calls */
383 BOOL torture_trans2_aliases(void)
385 struct smbcli_state *cli;
387 if (!torture_open_connection(&cli)) {
392 qfsinfo_aliases(cli);
393 qfileinfo_aliases(cli);
394 qpathinfo_aliases(cli);
395 findfirst_aliases(cli);
396 setfileinfo_aliases(cli);
397 setpathinfo_aliases(cli);
399 if (!torture_close_connection(cli)) {