source: branches/samba-3.5.x/source4/lib/ldb/tools/ldbsearch.c

Last change on this file was 414, checked in by Herwig Bauernfeind, 15 years ago

Samba 3.5.0: Initial import
File size: 7.3 KB
Line 
1/*
2 ldb database library
3
4 Copyright (C) Andrew Tridgell 2004
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/*
25 * Name: ldb
26 *
27 * Component: ldbsearch
28 *
29 * Description: utility for ldb search - modelled on ldapsearch
30 *
31 * Author: Andrew Tridgell
32 */
33
34#include "ldb_includes.h"
35#include "ldb.h"
36#include "tools/cmdline.h"
37
38static void usage(void)
39{
40 printf("Usage: ldbsearch <options> <expression> <attrs...>\n");
41 ldb_cmdline_help("ldbsearch", stdout);
42 exit(1);
43}
44
45static int do_compare_msg(struct ldb_message **el1,
46 struct ldb_message **el2,
47 void *opaque)
48{
49 return ldb_dn_compare((*el1)->dn, (*el2)->dn);
50}
51
52struct search_context {
53 struct ldb_context *ldb;
54 struct ldb_control **req_ctrls;
55
56 int sort;
57 int num_stored;
58 struct ldb_message **store;
59 int refs_stored;
60 char **refs_store;
61
62 int entries;
63 int refs;
64
65 int pending;
66 int status;
67};
68
69static int store_message(struct ldb_message *msg, struct search_context *sctx) {
70
71 sctx->store = talloc_realloc(sctx, sctx->store, struct ldb_message *, sctx->num_stored + 2);
72 if (!sctx->store) {
73 fprintf(stderr, "talloc_realloc failed while storing messages\n");
74 return -1;
75 }
76
77 sctx->store[sctx->num_stored] = talloc_move(sctx->store, &msg);
78 sctx->num_stored++;
79 sctx->store[sctx->num_stored] = NULL;
80
81 return 0;
82}
83
84static int store_referral(char *referral, struct search_context *sctx) {
85
86 sctx->refs_store = talloc_realloc(sctx, sctx->refs_store, char *, sctx->refs_stored + 2);
87 if (!sctx->refs_store) {
88 fprintf(stderr, "talloc_realloc failed while storing referrals\n");
89 return -1;
90 }
91
92 sctx->refs_store[sctx->refs_stored] = talloc_move(sctx->refs_store, &referral);
93 sctx->refs_stored++;
94 sctx->refs_store[sctx->refs_stored] = NULL;
95
96 return 0;
97}
98
99static int display_message(struct ldb_message *msg, struct search_context *sctx) {
100 struct ldb_ldif ldif;
101
102 sctx->entries++;
103 printf("# record %d\n", sctx->entries);
104
105 ldif.changetype = LDB_CHANGETYPE_NONE;
106 ldif.msg = msg;
107
108 if (sctx->sort) {
109 /*
110 * Ensure attributes are always returned in the same
111 * order. For testing, this makes comparison of old
112 * vs. new much easier.
113 */
114 ldb_msg_sort_elements(ldif.msg);
115 }
116
117 ldb_ldif_write_file(sctx->ldb, stdout, &ldif);
118
119 return 0;
120}
121
122static int display_referral(char *referral, struct search_context *sctx)
123{
124
125 sctx->refs++;
126 printf("# Referral\nref: %s\n\n", referral);
127
128 return 0;
129}
130
131static int search_callback(struct ldb_request *req, struct ldb_reply *ares)
132{
133 struct search_context *sctx;
134 int ret;
135
136 sctx = talloc_get_type(req->context, struct search_context);
137
138 if (!ares) {
139 return ldb_request_done(req, LDB_ERR_OPERATIONS_ERROR);
140 }
141 if (ares->error != LDB_SUCCESS) {
142 return ldb_request_done(req, ares->error);
143 }
144
145 switch (ares->type) {
146 case LDB_REPLY_ENTRY:
147 if (sctx->sort) {
148 ret = store_message(ares->message, sctx);
149 } else {
150 ret = display_message(ares->message, sctx);
151 }
152 break;
153
154 case LDB_REPLY_REFERRAL:
155 if (sctx->sort) {
156 ret = store_referral(ares->referral, sctx);
157 } else {
158 ret = display_referral(ares->referral, sctx);
159 }
160 if (ret) {
161 return ldb_request_done(req, LDB_ERR_OPERATIONS_ERROR);
162 }
163 break;
164
165 case LDB_REPLY_DONE:
166 if (ares->controls) {
167 if (handle_controls_reply(ares->controls, sctx->req_ctrls) == 1)
168 sctx->pending = 1;
169 }
170 talloc_free(ares);
171 return ldb_request_done(req, LDB_SUCCESS);
172 }
173
174 talloc_free(ares);
175 if (ret) {
176 return ldb_request_done(req, LDB_ERR_OPERATIONS_ERROR);
177 }
178
179 return LDB_SUCCESS;
180}
181
182static int do_search(struct ldb_context *ldb,
183 struct ldb_dn *basedn,
184 struct ldb_cmdline *options,
185 const char *expression,
186 const char * const *attrs)
187{
188 struct ldb_request *req;
189 struct search_context *sctx;
190 int ret;
191
192 req = NULL;
193
194 sctx = talloc(ldb, struct search_context);
195 if (!sctx) return -1;
196
197 sctx->ldb = ldb;
198 sctx->sort = options->sorted;
199 sctx->num_stored = 0;
200 sctx->refs_stored = 0;
201 sctx->store = NULL;
202 sctx->req_ctrls = ldb_parse_control_strings(ldb, sctx, (const char **)options->controls);
203 if (options->controls != NULL && sctx->req_ctrls== NULL) {
204 printf("parsing controls failed: %s\n", ldb_errstring(ldb));
205 return -1;
206 }
207 sctx->entries = 0;
208 sctx->refs = 0;
209
210 if (basedn == NULL) {
211 basedn = ldb_get_default_basedn(ldb);
212 }
213
214again:
215 /* free any previous requests */
216 if (req) talloc_free(req);
217
218 ret = ldb_build_search_req(&req, ldb, ldb,
219 basedn, options->scope,
220 expression, attrs,
221 sctx->req_ctrls,
222 sctx, search_callback,
223 NULL);
224 if (ret != LDB_SUCCESS) {
225 talloc_free(sctx);
226 printf("allocating request failed: %s\n", ldb_errstring(ldb));
227 return -1;
228 }
229
230 sctx->pending = 0;
231
232 ret = ldb_request(ldb, req);
233 if (ret != LDB_SUCCESS) {
234 printf("search failed - %s\n", ldb_errstring(ldb));
235 return -1;
236 }
237
238 ret = ldb_wait(req->handle, LDB_WAIT_ALL);
239 if (ret != LDB_SUCCESS) {
240 printf("search error - %s\n", ldb_errstring(ldb));
241 return -1;
242 }
243
244 if (sctx->pending)
245 goto again;
246
247 if (sctx->sort && (sctx->num_stored != 0 || sctx->refs != 0)) {
248 int i;
249
250 if (sctx->num_stored) {
251 ldb_qsort(sctx->store, sctx->num_stored, sizeof(struct ldb_message *),
252 ldb, (ldb_qsort_cmp_fn_t)do_compare_msg);
253 }
254 for (i = 0; i < sctx->num_stored; i++) {
255 display_message(sctx->store[i], sctx);
256 }
257
258 for (i = 0; i < sctx->refs_stored; i++) {
259 display_referral(sctx->refs_store[i], sctx);
260 }
261 }
262
263 printf("# returned %d records\n# %d entries\n# %d referrals\n",
264 sctx->entries + sctx->refs, sctx->entries, sctx->refs);
265
266 talloc_free(sctx);
267 talloc_free(req);
268
269 return 0;
270}
271
272int main(int argc, const char **argv)
273{
274 struct ldb_context *ldb;
275 struct ldb_dn *basedn = NULL;
276 const char * const * attrs = NULL;
277 struct ldb_cmdline *options;
278 int ret = -1;
279 const char *expression = "(|(objectClass=*)(distinguishedName=*))";
280
281 ldb = ldb_init(NULL, NULL);
282 if (ldb == NULL) {
283 return -1;
284 }
285
286 options = ldb_cmdline_process(ldb, argc, argv, usage);
287
288 /* the check for '=' is for compatibility with ldapsearch */
289 if (!options->interactive &&
290 options->argc > 0 &&
291 strchr(options->argv[0], '=')) {
292 expression = options->argv[0];
293 options->argv++;
294 options->argc--;
295 }
296
297 if (options->argc > 0) {
298 attrs = (const char * const *)(options->argv);
299 }
300
301 if (options->basedn != NULL) {
302 basedn = ldb_dn_new(ldb, ldb, options->basedn);
303 if ( ! ldb_dn_validate(basedn)) {
304 fprintf(stderr, "Invalid Base DN format\n");
305 exit(1);
306 }
307 }
308
309 if (options->interactive) {
310 char line[1024];
311 while (fgets(line, sizeof(line), stdin)) {
312 if (do_search(ldb, basedn, options, line, attrs) == -1) {
313 ret = -1;
314 }
315 }
316 } else {
317 ret = do_search(ldb, basedn, options, expression, attrs);
318 }
319
320 talloc_free(ldb);
321 return ret;
322}
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