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async_req: make async_connect_send() "reentrant"
[Samba.git] / lib / ldb / tools / cmdline.c
blob6d0a40643df82b737e5519822dc30212c8a2a25f
1 /*
2 ldb database library - command line handling for ldb tools
3
4 Copyright (C) Andrew Tridgell 2005
5
6 ** NOTE! The following LGPL license applies to the ldb
7 ** library. This does NOT imply that all of Samba is released
8 ** under the LGPL
9
10 This library is free software; you can redistribute it and/or
11 modify it under the terms of the GNU Lesser General Public
12 License as published by the Free Software Foundation; either
13 version 3 of the License, or (at your option) any later version.
14
15 This library is distributed in the hope that it will be useful,
16 but WITHOUT ANY WARRANTY; without even the implied warranty of
17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 Lesser General Public License for more details.
19
20 You should have received a copy of the GNU Lesser General Public
21 License along with this library; if not, see <http://www.gnu.org/licenses/>.
22 */
23
24 #include "replace.h"
25 #include "system/filesys.h"
26 #include "system/time.h"
27 #include "ldb.h"
28 #include "ldb_module.h"
29 #include "tools/cmdline.h"
30
31 static struct ldb_cmdline options; /* needs to be static for older compilers */
32
33 enum ldb_cmdline_options { CMDLINE_RELAX=1 };
34
35 static struct poptOption builtin_popt_options[] = {
36 POPT_AUTOHELP
37 { "url", 'H', POPT_ARG_STRING, &options.url, 0, "database URL", "URL" },
38 { "basedn", 'b', POPT_ARG_STRING, &options.basedn, 0, "base DN", "DN" },
39 { "editor", 'e', POPT_ARG_STRING, &options.editor, 0, "external editor", "PROGRAM" },
40 { "scope", 's', POPT_ARG_STRING, NULL, 's', "search scope", "SCOPE" },
41 { "verbose", 'v', POPT_ARG_NONE, NULL, 'v', "increase verbosity", NULL },
42 { "trace", 0, POPT_ARG_NONE, &options.tracing, 0, "enable tracing", NULL },
43 { "interactive", 'i', POPT_ARG_NONE, &options.interactive, 0, "input from stdin", NULL },
44 { "recursive", 'r', POPT_ARG_NONE, &options.recursive, 0, "recursive delete", NULL },
45 { "modules-path", 0, POPT_ARG_STRING, &options.modules_path, 0, "modules path", "PATH" },
46 { "num-searches", 0, POPT_ARG_INT, &options.num_searches, 0, "number of test searches", NULL },
47 { "num-records", 0, POPT_ARG_INT, &options.num_records, 0, "number of test records", NULL },
48 { "all", 'a', POPT_ARG_NONE, &options.all_records, 0, "(|(objectClass=*)(distinguishedName=*))", NULL },
49 { "nosync", 0, POPT_ARG_NONE, &options.nosync, 0, "non-synchronous transactions", NULL },
50 { "sorted", 'S', POPT_ARG_NONE, &options.sorted, 0, "sort attributes", NULL },
51 { NULL, 'o', POPT_ARG_STRING, NULL, 'o', "ldb_connect option", "OPTION" },
52 { "controls", 0, POPT_ARG_STRING, NULL, 'c', "controls", NULL },
53 { "show-binary", 0, POPT_ARG_NONE, &options.show_binary, 0, "display binary LDIF", NULL },
54 { "paged", 0, POPT_ARG_NONE, NULL, 'P', "use a paged search", NULL },
55 { "show-deleted", 0, POPT_ARG_NONE, NULL, 'D', "show deleted objects", NULL },
56 { "show-recycled", 0, POPT_ARG_NONE, NULL, 'R', "show recycled objects", NULL },
57 { "show-deactivated-link", 0, POPT_ARG_NONE, NULL, 'd', "show deactivated links", NULL },
58 { "reveal", 0, POPT_ARG_NONE, NULL, 'r', "reveal ldb internals", NULL },
59 { "relax", 0, POPT_ARG_NONE, NULL, CMDLINE_RELAX, "pass relax control", NULL },
60 { "cross-ncs", 0, POPT_ARG_NONE, NULL, 'N', "search across NC boundaries", NULL },
61 { "extended-dn", 0, POPT_ARG_NONE, NULL, 'E', "show extended DNs", NULL },
62 { NULL }
63 };
64
65 void ldb_cmdline_help(struct ldb_context *ldb, const char *cmdname, FILE *f)
66 {
67 poptContext pc;
68 struct poptOption **popt_options = ldb_module_popt_options(ldb);
69 pc = poptGetContext(cmdname, 0, NULL, *popt_options,
70 POPT_CONTEXT_KEEP_FIRST);
71 poptPrintHelp(pc, f, 0);
72 }
73
74 /*
75 add a control to the options structure
76 */
77 static bool add_control(TALLOC_CTX *mem_ctx, const char *control)
78 {
79 unsigned int i;
80
81 /* count how many controls we already have */
82 for (i=0; options.controls && options.controls[i]; i++) ;
83
84 options.controls = talloc_realloc(mem_ctx, options.controls, const char *, i + 2);
85 if (options.controls == NULL) {
86 return false;
87 }
88 options.controls[i] = control;
89 options.controls[i+1] = NULL;
90 return true;
91 }
92
93 /**
94 process command line options
95 */
96 struct ldb_cmdline *ldb_cmdline_process(struct ldb_context *ldb,
97 int argc, const char **argv,
98 void (*usage)(struct ldb_context *))
99 {
100 struct ldb_cmdline *ret=NULL;
101 poptContext pc;
102 int num_options = 0;
103 int opt;
104 unsigned int flags = 0;
105 int rc;
106 struct poptOption **popt_options;
107
108 /* make the ldb utilities line buffered */
109 setlinebuf(stdout);
110
111 ret = talloc_zero(ldb, struct ldb_cmdline);
112 if (ret == NULL) {
113 fprintf(stderr, "Out of memory!\n");
114 goto failed;
115 }
116
117 options = *ret;
118
119 /* pull in URL */
120 options.url = getenv("LDB_URL");
121
122 /* and editor (used by ldbedit) */
123 options.editor = getenv("VISUAL");
124 if (!options.editor) {
125 options.editor = getenv("EDITOR");
126 }
127 if (!options.editor) {
128 options.editor = "vi";
129 }
130
131 options.scope = LDB_SCOPE_DEFAULT;
132
133 popt_options = ldb_module_popt_options(ldb);
134 (*popt_options) = builtin_popt_options;
135
136 rc = ldb_modules_hook(ldb, LDB_MODULE_HOOK_CMDLINE_OPTIONS);
137 if (rc != LDB_SUCCESS) {
138 fprintf(stderr, "ldb: failed to run command line hooks : %s\n", ldb_strerror(rc));
139 goto failed;
140 }
141
142 pc = poptGetContext(argv[0], argc, argv, *popt_options,
143 POPT_CONTEXT_KEEP_FIRST);
144
145 while((opt = poptGetNextOpt(pc)) != -1) {
146 switch (opt) {
147 case 's': {
148 const char *arg = poptGetOptArg(pc);
149 if (strcmp(arg, "base") == 0) {
150 options.scope = LDB_SCOPE_BASE;
151 } else if (strcmp(arg, "sub") == 0) {
152 options.scope = LDB_SCOPE_SUBTREE;
153 } else if (strcmp(arg, "one") == 0) {
154 options.scope = LDB_SCOPE_ONELEVEL;
155 } else {
156 fprintf(stderr, "Invalid scope '%s'\n", arg);
157 goto failed;
158 }
159 break;
160 }
161
162 case 'v':
163 options.verbose++;
164 break;
165
166 case 'o':
167 options.options = talloc_realloc(ret, options.options,
168 const char *, num_options+3);
169 if (options.options == NULL) {
170 fprintf(stderr, "Out of memory!\n");
171 goto failed;
172 }
173 options.options[num_options] = poptGetOptArg(pc);
174 options.options[num_options+1] = NULL;
175 num_options++;
176 break;
177
178 case 'c': {
179 const char *cs = poptGetOptArg(pc);
180 const char *p;
181
182 for (p = cs; p != NULL; ) {
183 const char *t, *c;
184
185 t = strchr(p, ',');
186 if (t == NULL) {
187 c = talloc_strdup(options.controls, p);
188 p = NULL;
189 } else {
190 c = talloc_strndup(options.controls, p, t-p);
191 p = t + 1;
192 }
193 if (c == NULL || !add_control(ret, c)) {
194 fprintf(stderr, __location__ ": out of memory\n");
195 goto failed;
196 }
197 }
198
199 break;
200 }
201 case 'P':
202 if (!add_control(ret, "paged_results:1:1024")) {
203 fprintf(stderr, __location__ ": out of memory\n");
204 goto failed;
205 }
206 break;
207 case 'D':
208 if (!add_control(ret, "show_deleted:1")) {
209 fprintf(stderr, __location__ ": out of memory\n");
210 goto failed;
211 }
212 break;
213 case 'R':
214 if (!add_control(ret, "show_recycled:0")) {
215 fprintf(stderr, __location__ ": out of memory\n");
216 goto failed;
217 }
218 break;
219 case 'd':
220 if (!add_control(ret, "show_deactivated_link:0")) {
221 fprintf(stderr, __location__ ": out of memory\n");
222 goto failed;
223 }
224 break;
225 case 'r':
226 if (!add_control(ret, "reveal_internals:0")) {
227 fprintf(stderr, __location__ ": out of memory\n");
228 goto failed;
229 }
230 break;
231 case CMDLINE_RELAX:
232 if (!add_control(ret, "relax:0")) {
233 fprintf(stderr, __location__ ": out of memory\n");
234 goto failed;
235 }
236 break;
237 case 'N':
238 if (!add_control(ret, "search_options:1:2")) {
239 fprintf(stderr, __location__ ": out of memory\n");
240 goto failed;
241 }
242 break;
243 case 'E':
244 if (!add_control(ret, "extended_dn:1:1")) {
245 fprintf(stderr, __location__ ": out of memory\n");
246 goto failed;
247 }
248 break;
249 default:
250 fprintf(stderr, "Invalid option %s: %s\n",
251 poptBadOption(pc, 0), poptStrerror(opt));
252 if (usage) usage(ldb);
253 goto failed;
254 }
255 }
256
257 /* setup the remaining options for the main program to use */
258 options.argv = poptGetArgs(pc);
259 if (options.argv) {
260 options.argv++;
261 while (options.argv[options.argc]) options.argc++;
262 }
263
264 *ret = options;
265
266 /* all utils need some option */
267 if (ret->url == NULL) {
268 fprintf(stderr, "You must supply a url with -H or with $LDB_URL\n");
269 if (usage) usage(ldb);
270 goto failed;
271 }
272
273 if (strcmp(ret->url, "NONE") == 0) {
274 return ret;
275 }
276
277 if (options.nosync) {
278 flags |= LDB_FLG_NOSYNC;
279 }
280
281 if (options.show_binary) {
282 flags |= LDB_FLG_SHOW_BINARY;
283 }
284
285 if (options.tracing) {
286 flags |= LDB_FLG_ENABLE_TRACING;
287 }
288
289 if (options.modules_path != NULL) {
290 ldb_set_modules_dir(ldb, options.modules_path);
291 }
292
293 rc = ldb_modules_hook(ldb, LDB_MODULE_HOOK_CMDLINE_PRECONNECT);
294 if (rc != LDB_SUCCESS) {
295 fprintf(stderr, "ldb: failed to run preconnect hooks : %s\n", ldb_strerror(rc));
296 goto failed;
297 }
298
299 /* now connect to the ldb */
300 if (ldb_connect(ldb, ret->url, flags, ret->options) != LDB_SUCCESS) {
301 fprintf(stderr, "Failed to connect to %s - %s\n",
302 ret->url, ldb_errstring(ldb));
303 goto failed;
304 }
305
306 rc = ldb_modules_hook(ldb, LDB_MODULE_HOOK_CMDLINE_POSTCONNECT);
307 if (rc != LDB_SUCCESS) {
308 fprintf(stderr, "ldb: failed to run post connect hooks : %s\n", ldb_strerror(rc));
309 goto failed;
310 }
311
312 return ret;
313
314 failed:
315 talloc_free(ret);
316 exit(LDB_ERR_OPERATIONS_ERROR);
317 return NULL;
318 }
319
320 /* this function check controls reply and determines if more
321 * processing is needed setting up the request controls correctly
322 *
323 * returns:
324 * -1 error
325 * 0 all ok
326 * 1 all ok, more processing required
327 */
328 int handle_controls_reply(struct ldb_control **reply, struct ldb_control **request)
329 {
330 unsigned int i, j;
331 int ret = 0;
332
333 if (reply == NULL || request == NULL) return -1;
334
335 for (i = 0; reply[i]; i++) {
336 if (strcmp(LDB_CONTROL_VLV_RESP_OID, reply[i]->oid) == 0) {
337 struct ldb_vlv_resp_control *rep_control;
338
339 rep_control = talloc_get_type(reply[i]->data, struct ldb_vlv_resp_control);
340
341 /* check we have a matching control in the request */
342 for (j = 0; request[j]; j++) {
343 if (strcmp(LDB_CONTROL_VLV_REQ_OID, request[j]->oid) == 0)
344 break;
345 }
346 if (! request[j]) {
347 fprintf(stderr, "Warning VLV reply received but no request have been made\n");
348 continue;
349 }
350
351 /* check the result */
352 if (rep_control->vlv_result != 0) {
353 fprintf(stderr, "Warning: VLV not performed with error: %d\n", rep_control->vlv_result);
354 } else {
355 fprintf(stderr, "VLV Info: target position = %d, content count = %d\n", rep_control->targetPosition, rep_control->contentCount);
356 }
357
358 continue;
359 }
360
361 if (strcmp(LDB_CONTROL_ASQ_OID, reply[i]->oid) == 0) {
362 struct ldb_asq_control *rep_control;
363
364 rep_control = talloc_get_type(reply[i]->data, struct ldb_asq_control);
365
366 /* check the result */
367 if (rep_control->result != 0) {
368 fprintf(stderr, "Warning: ASQ not performed with error: %d\n", rep_control->result);
369 }
370
371 continue;
372 }
373
374 if (strcmp(LDB_CONTROL_PAGED_RESULTS_OID, reply[i]->oid) == 0) {
375 struct ldb_paged_control *rep_control, *req_control;
376
377 rep_control = talloc_get_type(reply[i]->data, struct ldb_paged_control);
378 if (rep_control->cookie_len == 0) /* we are done */
379 break;
380
381 /* more processing required */
382 /* let's fill in the request control with the new cookie */
383
384 for (j = 0; request[j]; j++) {
385 if (strcmp(LDB_CONTROL_PAGED_RESULTS_OID, request[j]->oid) == 0)
386 break;
387 }
388 /* if there's a reply control we must find a request
389 * control matching it */
390 if (! request[j]) return -1;
391
392 req_control = talloc_get_type(request[j]->data, struct ldb_paged_control);
393
394 if (req_control->cookie)
395 talloc_free(req_control->cookie);
396 req_control->cookie = (char *)talloc_memdup(
397 req_control, rep_control->cookie,
398 rep_control->cookie_len);
399 req_control->cookie_len = rep_control->cookie_len;
400
401 ret = 1;
402
403 continue;
404 }
405
406 if (strcmp(LDB_CONTROL_SORT_RESP_OID, reply[i]->oid) == 0) {
407 struct ldb_sort_resp_control *rep_control;
408
409 rep_control = talloc_get_type(reply[i]->data, struct ldb_sort_resp_control);
410
411 /* check we have a matching control in the request */
412 for (j = 0; request[j]; j++) {
413 if (strcmp(LDB_CONTROL_SERVER_SORT_OID, request[j]->oid) == 0)
414 break;
415 }
416 if (! request[j]) {
417 fprintf(stderr, "Warning Server Sort reply received but no request found\n");
418 continue;
419 }
420
421 /* check the result */
422 if (rep_control->result != 0) {
423 fprintf(stderr, "Warning: Sorting not performed with error: %d\n", rep_control->result);
424 }
425
426 continue;
427 }
428
429 if (strcmp(LDB_CONTROL_DIRSYNC_OID, reply[i]->oid) == 0) {
430 struct ldb_dirsync_control *rep_control, *req_control;
431 char *cookie;
432
433 rep_control = talloc_get_type(reply[i]->data, struct ldb_dirsync_control);
434 if (rep_control->cookie_len == 0) /* we are done */
435 break;
436
437 /* more processing required */
438 /* let's fill in the request control with the new cookie */
439
440 for (j = 0; request[j]; j++) {
441 if (strcmp(LDB_CONTROL_DIRSYNC_OID, request[j]->oid) == 0)
442 break;
443 }
444 /* if there's a reply control we must find a request
445 * control matching it */
446 if (! request[j]) return -1;
447
448 req_control = talloc_get_type(request[j]->data, struct ldb_dirsync_control);
449
450 if (req_control->cookie)
451 talloc_free(req_control->cookie);
452 req_control->cookie = (char *)talloc_memdup(
453 req_control, rep_control->cookie,
454 rep_control->cookie_len);
455 req_control->cookie_len = rep_control->cookie_len;
456
457 cookie = ldb_base64_encode(req_control, rep_control->cookie, rep_control->cookie_len);
458 printf("# DIRSYNC cookie returned was:\n# %s\n", cookie);
459
460 continue;
461 }
462 if (strcmp(LDB_CONTROL_DIRSYNC_EX_OID, reply[i]->oid) == 0) {
463 struct ldb_dirsync_control *rep_control, *req_control;
464 char *cookie;
465
466 rep_control = talloc_get_type(reply[i]->data, struct ldb_dirsync_control);
467 if (rep_control->cookie_len == 0) /* we are done */
468 break;
469
470 /* more processing required */
471 /* let's fill in the request control with the new cookie */
472
473 for (j = 0; request[j]; j++) {
474 if (strcmp(LDB_CONTROL_DIRSYNC_EX_OID, request[j]->oid) == 0)
475 break;
476 }
477 /* if there's a reply control we must find a request
478 * control matching it */
479 if (! request[j]) return -1;
480
481 req_control = talloc_get_type(request[j]->data, struct ldb_dirsync_control);
482
483 if (req_control->cookie)
484 talloc_free(req_control->cookie);
485 req_control->cookie = (char *)talloc_memdup(
486 req_control, rep_control->cookie,
487 rep_control->cookie_len);
488 req_control->cookie_len = rep_control->cookie_len;
489
490 cookie = ldb_base64_encode(req_control, rep_control->cookie, rep_control->cookie_len);
491 printf("# DIRSYNC_EX cookie returned was:\n# %s\n", cookie);
492
493 continue;
494 }
495
496 /* no controls matched, throw a warning */
497 fprintf(stderr, "Unknown reply control oid: %s\n", reply[i]->oid);
498 }
499
500 return ret;
501 }
502
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