4 Copyright (C) Andrew Tridgell 2004
6 ** NOTE! The following LGPL license applies to the ldb
7 ** library. This does NOT imply that all of Samba is released
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.
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.
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/>.
29 * Description: utility for ldb database editing
31 * Author: Andrew Tridgell
36 #include <system/filesys.h>
38 #include "ldb_includes.h"
42 #include "tools/cmdline.h"
43 #include "tools/ldbutil.h"
45 static struct ldb_cmdline *options;
50 static void ldif_write_msg(struct ldb_context *ldb,
52 enum ldb_changetype changetype,
53 struct ldb_message *msg)
56 ldif.changetype = changetype;
58 ldb_ldif_write_file(ldb, f, &ldif);
62 modify a database record so msg1 becomes msg2
63 returns the number of modified elements
65 static int modify_record(struct ldb_context *ldb,
66 struct ldb_message *msg1,
67 struct ldb_message *msg2,
68 struct ldb_control **req_ctrls)
71 struct ldb_message *mod;
73 if (ldb_msg_diff_ex(ldb, msg1, msg2, ldb, &mod) != LDB_SUCCESS) {
74 fprintf(stderr, "Failed to calculate message differences\n");
78 ret = mod->num_elements;
83 if (options->verbose > 0) {
84 ldif_write_msg(ldb, stdout, LDB_CHANGETYPE_MODIFY, mod);
87 if (ldb_modify_ctrl(ldb, mod, req_ctrls) != 0) {
88 fprintf(stderr, "failed to modify %s - %s\n",
89 ldb_dn_get_linearized(msg1->dn), ldb_errstring(ldb));
102 static struct ldb_message *msg_find(struct ldb_context *ldb,
103 struct ldb_message **msgs,
108 for (i=0;i<count;i++) {
109 if (ldb_dn_compare(dn, msgs[i]->dn) == 0) {
117 merge the changes in msgs2 into the messages from msgs1
119 static int merge_edits(struct ldb_context *ldb,
120 struct ldb_message **msgs1, unsigned int count1,
121 struct ldb_message **msgs2, unsigned int count2)
124 struct ldb_message *msg;
126 int adds=0, modifies=0, deletes=0;
127 struct ldb_control **req_ctrls = ldb_parse_control_strings(ldb, ldb, (const char **)options->controls);
128 if (options->controls != NULL && req_ctrls == NULL) {
129 fprintf(stderr, "parsing controls failed: %s\n", ldb_errstring(ldb));
133 if (ldb_transaction_start(ldb) != 0) {
134 fprintf(stderr, "Failed to start transaction: %s\n", ldb_errstring(ldb));
138 /* do the adds and modifies */
139 for (i=0;i<count2;i++) {
140 msg = msg_find(ldb, msgs1, count1, msgs2[i]->dn);
142 if (options->verbose > 0) {
143 ldif_write_msg(ldb, stdout, LDB_CHANGETYPE_ADD, msgs2[i]);
145 if (ldb_add_ctrl(ldb, msgs2[i], req_ctrls) != 0) {
146 fprintf(stderr, "failed to add %s - %s\n",
147 ldb_dn_get_linearized(msgs2[i]->dn),
149 ldb_transaction_cancel(ldb);
154 if (modify_record(ldb, msg, msgs2[i], req_ctrls) > 0) {
161 for (i=0;i<count1;i++) {
162 msg = msg_find(ldb, msgs2, count2, msgs1[i]->dn);
164 if (options->verbose > 0) {
165 ldif_write_msg(ldb, stdout, LDB_CHANGETYPE_DELETE, msgs1[i]);
167 if (ldb_delete_ctrl(ldb, msgs1[i]->dn, req_ctrls) != 0) {
168 fprintf(stderr, "failed to delete %s - %s\n",
169 ldb_dn_get_linearized(msgs1[i]->dn),
171 ldb_transaction_cancel(ldb);
178 if (ldb_transaction_commit(ldb) != 0) {
179 fprintf(stderr, "Failed to commit transaction: %s\n", ldb_errstring(ldb));
183 printf("# %d adds %d modifies %d deletes\n", adds, modifies, deletes);
189 save a set of messages as ldif to a file
191 static int save_ldif(struct ldb_context *ldb,
192 FILE *f, struct ldb_message **msgs, unsigned int count)
196 fprintf(f, "# editing %d records\n", count);
198 for (i=0;i<count;i++) {
199 struct ldb_ldif ldif;
200 fprintf(f, "# record %d\n", i+1);
202 ldif.changetype = LDB_CHANGETYPE_NONE;
205 ldb_ldif_write_file(ldb, f, &ldif);
213 edit the ldb search results in msgs using the user selected editor
215 static int do_edit(struct ldb_context *ldb, struct ldb_message **msgs1,
216 unsigned int count1, const char *editor)
220 char file_template[] = "/tmp/ldbedit.XXXXXX";
222 struct ldb_ldif *ldif;
223 struct ldb_message **msgs2 = NULL;
224 unsigned int count2 = 0;
226 /* write out the original set of messages to a temporary
228 fd = mkstemp(file_template);
231 perror(file_template);
235 f = fdopen(fd, "r+");
240 unlink(file_template);
244 if (save_ldif(ldb, f, msgs1, count1) != 0) {
250 cmd = talloc_asprintf(ldb, "%s %s", editor, file_template);
253 unlink(file_template);
254 fprintf(stderr, "out of memory\n");
263 unlink(file_template);
264 fprintf(stderr, "edit with %s failed\n", editor);
268 /* read the resulting ldif into msgs2 */
269 f = fopen(file_template, "r");
271 perror(file_template);
275 while ((ldif = ldb_ldif_read_file(ldb, f))) {
276 msgs2 = talloc_realloc(ldb, msgs2, struct ldb_message *, count2+1);
278 fprintf(stderr, "out of memory");
281 msgs2[count2++] = ldif->msg;
285 unlink(file_template);
287 return merge_edits(ldb, msgs1, count1, msgs2, count2);
290 static void usage(void)
292 printf("Usage: ldbedit <options> <expression> <attributes ...>\n");
293 ldb_cmdline_help("ldbedit", stdout);
297 int main(int argc, const char **argv)
299 struct ldb_context *ldb;
300 struct ldb_result *result = NULL;
301 struct ldb_dn *basedn = NULL;
303 const char *expression = "(|(objectClass=*)(distinguishedName=*))";
304 const char * const * attrs = NULL;
305 TALLOC_CTX *mem_ctx = talloc_new(NULL);
307 ldb = ldb_init(mem_ctx, NULL);
309 options = ldb_cmdline_process(ldb, argc, argv, usage);
311 /* the check for '=' is for compatibility with ldapsearch */
312 if (options->argc > 0 &&
313 strchr(options->argv[0], '=')) {
314 expression = options->argv[0];
319 if (options->argc > 0) {
320 attrs = (const char * const *)(options->argv);
323 if (options->basedn != NULL) {
324 basedn = ldb_dn_new(ldb, ldb, options->basedn);
325 if ( ! ldb_dn_validate(basedn)) {
326 printf("Invalid Base DN format\n");
331 ret = ldb_search(ldb, ldb, &result, basedn, options->scope, attrs, "%s", expression);
332 if (ret != LDB_SUCCESS) {
333 printf("search failed - %s\n", ldb_errstring(ldb));
337 if (result->count == 0) {
338 printf("no matching records - cannot edit\n");
342 do_edit(ldb, result->msgs, result->count, options->editor);
345 ret = talloc_free(result);
347 fprintf(stderr, "talloc_free failed\n");
352 talloc_free(mem_ctx);