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: ldbdel
28  *
29  *  Description: utility to delete records - modelled on ldapdelete
30  *
31  *  Author: Andrew Tridgell
32  */
33 
34 #include "replace.h"
35 #include "ldb.h"
36 #include "tools/cmdline.h"
37 #include "ldbutil.h"
38 
dn_cmp(struct ldb_message ** msg1,struct ldb_message ** msg2)39 static int dn_cmp(struct ldb_message **msg1, struct ldb_message **msg2)
40 {
41 	return ldb_dn_compare((*msg1)->dn, (*msg2)->dn);
42 }
43 
ldb_delete_recursive(struct ldb_context * ldb,struct ldb_dn * dn,struct ldb_control ** req_ctrls)44 static int ldb_delete_recursive(struct ldb_context *ldb, struct ldb_dn *dn,struct ldb_control **req_ctrls)
45 {
46 	int ret;
47 	unsigned int i, total=0;
48 	const char *attrs[] = { NULL };
49 	struct ldb_result *res;
50 
51 	ret = ldb_search(ldb, ldb, &res, dn, LDB_SCOPE_SUBTREE, attrs, "distinguishedName=*");
52 	if (ret != LDB_SUCCESS) return ret;
53 
54 	/* sort the DNs, deepest first */
55 	TYPESAFE_QSORT(res->msgs, res->count, dn_cmp);
56 
57 	for (i = 0; i < res->count; i++) {
58 		if (ldb_delete_ctrl(ldb, res->msgs[i]->dn,req_ctrls) == LDB_SUCCESS) {
59 			total++;
60 		} else {
61 			printf("Failed to delete '%s' - %s\n",
62 			       ldb_dn_get_linearized(res->msgs[i]->dn),
63 			       ldb_errstring(ldb));
64 		}
65 	}
66 
67 	talloc_free(res);
68 
69 	if (total == 0) {
70 		return LDB_ERR_OPERATIONS_ERROR;
71 	}
72 	printf("Deleted %u records\n", total);
73 	return LDB_SUCCESS;
74 }
75 
usage(struct ldb_context * ldb)76 static void usage(struct ldb_context *ldb)
77 {
78 	printf("Usage: ldbdel <options> <DN...>\n");
79 	printf("Deletes records from a ldb\n\n");
80 	ldb_cmdline_help(ldb, "ldbdel", stdout);
81 	exit(LDB_ERR_OPERATIONS_ERROR);
82 }
83 
main(int argc,const char ** argv)84 int main(int argc, const char **argv)
85 {
86 	struct ldb_control **req_ctrls;
87 	struct ldb_cmdline *options;
88 	struct ldb_context *ldb;
89 	int ret = 0, i;
90 	TALLOC_CTX *mem_ctx = talloc_new(NULL);
91 
92 	ldb = ldb_init(mem_ctx, NULL);
93 	if (ldb == NULL) {
94 		return LDB_ERR_OPERATIONS_ERROR;
95 	}
96 
97 	options = ldb_cmdline_process(ldb, argc, argv, usage);
98 
99 	if (options->argc < 1) {
100 		usage(ldb);
101 	}
102 
103 	req_ctrls = ldb_parse_control_strings(ldb, ldb, (const char **)options->controls);
104 	if (options->controls != NULL &&  req_ctrls== NULL) {
105 		printf("parsing controls failed: %s\n", ldb_errstring(ldb));
106 		return LDB_ERR_OPERATIONS_ERROR;
107 	}
108 
109 	for (i=0;i<options->argc;i++) {
110 		struct ldb_dn *dn;
111 
112 		dn = ldb_dn_new(ldb, ldb, options->argv[i]);
113 		if (dn == NULL) {
114 			return LDB_ERR_OPERATIONS_ERROR;
115 		}
116 		if (options->recursive) {
117 			ret = ldb_delete_recursive(ldb, dn,req_ctrls);
118 		} else {
119 			ret = ldb_delete_ctrl(ldb, dn,req_ctrls);
120 			if (ret == LDB_SUCCESS) {
121 				printf("Deleted 1 record\n");
122 			}
123 		}
124 		if (ret != LDB_SUCCESS) {
125 			printf("delete of '%s' failed - (%s) %s\n",
126 			       ldb_dn_get_linearized(dn),
127 			       ldb_strerror(ret),
128 			       ldb_errstring(ldb));
129 		}
130 	}
131 
132 	talloc_free(mem_ctx);
133 
134 	return ret;
135 }
136