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.
23 int create_complex_file(struct smbcli_state *cli, TALLOC_CTX *mem_ctx, const char *fname);
26 struct trans2_blobs *next, *prev;
28 DATA_BLOB params, data;
31 /* look for aliases for a query */
32 static void gen_aliases(struct smbcli_state *cli, struct smb_trans2 *t2, int level_offset)
36 struct trans2_blobs *alias_blobs = NULL;
37 struct trans2_blobs *t2b, *t2b2;
38 int count=0, alias_count=0;
40 mem_ctx = talloc_init("aliases");
42 for (level=0;level<2000;level++) {
45 SSVAL(t2->in.params.data, level_offset, level);
47 status = smb_raw_trans2(cli->tree, mem_ctx, t2);
48 if (!NT_STATUS_IS_OK(status)) continue;
50 t2b = talloc(mem_ctx, sizeof(*t2b));
52 t2b->params = t2->out.params;
53 t2b->data = t2->out.data;
54 DLIST_ADD(alias_blobs, t2b);
55 d_printf("\tFound level %4u (0x%03x) of size %3d (0x%02x)\n",
57 t2b->data.length, t2b->data.length);
61 d_printf("Found %d levels with success status\n", count);
63 for (t2b=alias_blobs; t2b; t2b=t2b->next) {
64 for (t2b2=alias_blobs; t2b2; t2b2=t2b2->next) {
65 if (t2b->level >= t2b2->level) continue;
66 if (data_blob_equal(&t2b->params, &t2b2->params) &&
67 data_blob_equal(&t2b->data, &t2b2->data)) {
68 printf("\tLevel %u (0x%x) and level %u (0x%x) are possible aliases\n",
69 t2b->level, t2b->level, t2b2->level, t2b2->level);
75 d_printf("Found %d aliased levels\n", alias_count);
77 talloc_destroy(mem_ctx);
80 /* look for qfsinfo aliases */
81 static void qfsinfo_aliases(struct smbcli_state *cli)
84 uint16_t setup = TRANSACT2_QFSINFO;
86 d_printf("\nChecking for QFSINFO aliases\n");
89 t2.in.max_data = 0x8000;
93 t2.in.setup_count = 1;
95 t2.in.params = data_blob(NULL, 2);
96 t2.in.data = data_blob(NULL, 0);
98 gen_aliases(cli, &t2, 0);
101 /* look for qfileinfo aliases */
102 static void qfileinfo_aliases(struct smbcli_state *cli)
104 struct smb_trans2 t2;
105 uint16_t setup = TRANSACT2_QFILEINFO;
106 const char *fname = "\\qfileinfo_aliases.txt";
109 d_printf("\nChecking for QFILEINFO aliases\n");
112 t2.in.max_data = 0x8000;
116 t2.in.setup_count = 1;
117 t2.in.setup = &setup;
118 t2.in.params = data_blob(NULL, 4);
119 t2.in.data = data_blob(NULL, 0);
121 smbcli_unlink(cli->tree, fname);
122 fnum = create_complex_file(cli, cli, fname);
124 printf("ERROR: open of %s failed (%s)\n", fname, smbcli_errstr(cli->tree));
127 smbcli_write(cli->tree, fnum, 0, (char *)&t2, 0, sizeof(t2));
129 SSVAL(t2.in.params.data, 0, fnum);
131 gen_aliases(cli, &t2, 2);
133 smbcli_close(cli->tree, fnum);
134 smbcli_unlink(cli->tree, fname);
138 /* look for qpathinfo aliases */
139 static void qpathinfo_aliases(struct smbcli_state *cli)
141 struct smb_trans2 t2;
142 uint16_t setup = TRANSACT2_QPATHINFO;
143 const char *fname = "\\qpathinfo_aliases.txt";
147 mem_ctx = talloc_init("qpathinfo");
149 d_printf("\nChecking for QPATHINFO aliases\n");
152 t2.in.max_data = 0x8000;
156 t2.in.setup_count = 1;
157 t2.in.setup = &setup;
158 t2.in.params = data_blob_talloc(mem_ctx, NULL, 6);
159 t2.in.data = data_blob(NULL, 0);
161 smbcli_unlink(cli->tree, fname);
162 fnum = create_complex_file(cli, cli, fname);
164 printf("ERROR: open of %s failed (%s)\n", fname, smbcli_errstr(cli->tree));
167 smbcli_write(cli->tree, fnum, 0, (char *)&t2, 0, sizeof(t2));
168 smbcli_close(cli->tree, fnum);
170 SIVAL(t2.in.params.data, 2, 0);
172 smbcli_blob_append_string(cli->session, mem_ctx, &t2.in.params,
173 fname, STR_TERMINATE);
175 gen_aliases(cli, &t2, 0);
177 smbcli_unlink(cli->tree, fname);
178 talloc_destroy(mem_ctx);
182 /* look for trans2 findfirst aliases */
183 static void findfirst_aliases(struct smbcli_state *cli)
185 struct smb_trans2 t2;
186 uint16_t setup = TRANSACT2_FINDFIRST;
187 const char *fname = "\\findfirst_aliases.txt";
191 mem_ctx = talloc_init("findfirst");
193 d_printf("\nChecking for FINDFIRST aliases\n");
195 t2.in.max_param = 16;
196 t2.in.max_data = 0x8000;
200 t2.in.setup_count = 1;
201 t2.in.setup = &setup;
202 t2.in.params = data_blob_talloc(mem_ctx, NULL, 12);
203 t2.in.data = data_blob(NULL, 0);
205 smbcli_unlink(cli->tree, fname);
206 fnum = create_complex_file(cli, cli, fname);
208 printf("ERROR: open of %s failed (%s)\n", fname, smbcli_errstr(cli->tree));
211 smbcli_write(cli->tree, fnum, 0, (char *)&t2, 0, sizeof(t2));
212 smbcli_close(cli->tree, fnum);
214 SSVAL(t2.in.params.data, 0, 0);
215 SSVAL(t2.in.params.data, 2, 1);
216 SSVAL(t2.in.params.data, 4, FLAG_TRANS2_FIND_CLOSE);
217 SSVAL(t2.in.params.data, 6, 0);
218 SIVAL(t2.in.params.data, 8, 0);
220 smbcli_blob_append_string(cli->session, mem_ctx, &t2.in.params,
221 fname, STR_TERMINATE);
223 gen_aliases(cli, &t2, 6);
225 smbcli_unlink(cli->tree, fname);
226 talloc_destroy(mem_ctx);
231 /* look for aliases for a set function */
232 static void gen_set_aliases(struct smbcli_state *cli, struct smb_trans2 *t2, int level_offset)
236 struct trans2_blobs *alias_blobs = NULL;
237 struct trans2_blobs *t2b;
240 mem_ctx = talloc_init("aliases");
242 for (level=1;level<1100;level++) {
243 NTSTATUS status, status1;
244 SSVAL(t2->in.params.data, level_offset, level);
246 status1 = NT_STATUS_OK;
248 for (dsize=2; dsize<1024; dsize += 2) {
249 data_blob_free(&t2->in.data);
250 t2->in.data = data_blob(NULL, dsize);
251 data_blob_clear(&t2->in.data);
252 status = smb_raw_trans2(cli->tree, mem_ctx, t2);
253 /* some error codes mean that this whole level doesn't exist */
254 if (NT_STATUS_EQUAL(NT_STATUS_INVALID_LEVEL, status) ||
255 NT_STATUS_EQUAL(NT_STATUS_INVALID_INFO_CLASS, status) ||
256 NT_STATUS_EQUAL(NT_STATUS_NOT_SUPPORTED, status)) {
259 if (NT_STATUS_IS_OK(status)) break;
261 /* invalid parameter means that the level exists at this
262 size, but the contents are wrong (not surprising with
264 if (NT_STATUS_EQUAL(status, NT_STATUS_INVALID_PARAMETER)) break;
266 /* this is the usual code for 'wrong size' */
267 if (NT_STATUS_EQUAL(status, NT_STATUS_INFO_LENGTH_MISMATCH)) {
271 if (!NT_STATUS_EQUAL(status, status1)) {
272 printf("level=%d size=%d %s\n", level, dsize, nt_errstr(status));
277 if (!NT_STATUS_IS_OK(status) &&
278 !NT_STATUS_EQUAL(status, NT_STATUS_INVALID_PARAMETER)) continue;
280 t2b = talloc(mem_ctx, sizeof(*t2b));
282 t2b->params = t2->out.params;
283 t2b->data = t2->out.data;
284 DLIST_ADD(alias_blobs, t2b);
285 d_printf("\tFound level %4u (0x%03x) of size %3d (0x%02x)\n",
287 t2->in.data.length, t2->in.data.length);
291 d_printf("Found %d valid levels\n", count);
292 talloc_destroy(mem_ctx);
297 /* look for setfileinfo aliases */
298 static void setfileinfo_aliases(struct smbcli_state *cli)
300 struct smb_trans2 t2;
301 uint16_t setup = TRANSACT2_SETFILEINFO;
302 const char *fname = "\\setfileinfo_aliases.txt";
305 d_printf("\nChecking for SETFILEINFO aliases\n");
312 t2.in.setup_count = 1;
313 t2.in.setup = &setup;
314 t2.in.params = data_blob(NULL, 6);
315 t2.in.data = data_blob(NULL, 0);
317 smbcli_unlink(cli->tree, fname);
318 fnum = create_complex_file(cli, cli, fname);
320 printf("ERROR: open of %s failed (%s)\n", fname, smbcli_errstr(cli->tree));
323 smbcli_write(cli->tree, fnum, 0, (char *)&t2, 0, sizeof(t2));
325 SSVAL(t2.in.params.data, 0, fnum);
326 SSVAL(t2.in.params.data, 4, 0);
328 gen_set_aliases(cli, &t2, 2);
330 smbcli_close(cli->tree, fnum);
331 smbcli_unlink(cli->tree, fname);
334 /* look for setpathinfo aliases */
335 static void setpathinfo_aliases(struct smbcli_state *cli)
337 struct smb_trans2 t2;
338 uint16_t setup = TRANSACT2_SETPATHINFO;
339 const char *fname = "\\setpathinfo_aliases.txt";
343 mem_ctx = talloc_init("findfirst");
345 d_printf("\nChecking for SETPATHINFO aliases\n");
347 t2.in.max_param = 32;
348 t2.in.max_data = 0x8000;
352 t2.in.setup_count = 1;
353 t2.in.setup = &setup;
354 t2.in.params = data_blob_talloc(mem_ctx, NULL, 4);
355 t2.in.data = data_blob(NULL, 0);
357 smbcli_unlink(cli->tree, fname);
359 fnum = create_complex_file(cli, cli, fname);
361 printf("ERROR: open of %s failed (%s)\n", fname, smbcli_errstr(cli->tree));
364 smbcli_write(cli->tree, fnum, 0, (char *)&t2, 0, sizeof(t2));
365 smbcli_close(cli->tree, fnum);
367 SSVAL(t2.in.params.data, 2, 0);
369 smbcli_blob_append_string(cli->session, mem_ctx, &t2.in.params,
370 fname, STR_TERMINATE);
372 gen_set_aliases(cli, &t2, 0);
374 if (NT_STATUS_IS_ERR(smbcli_unlink(cli->tree, fname))) {
375 printf("unlink: %s\n", smbcli_errstr(cli->tree));
377 talloc_destroy(mem_ctx);
381 /* look for aliased info levels in trans2 calls */
382 BOOL torture_trans2_aliases(int dummy)
384 struct smbcli_state *cli;
386 if (!torture_open_connection(&cli)) {
391 qfsinfo_aliases(cli);
392 qfileinfo_aliases(cli);
393 qpathinfo_aliases(cli);
394 findfirst_aliases(cli);
395 setfileinfo_aliases(cli);
396 setpathinfo_aliases(cli);
398 if (!torture_close_connection(cli)) {