2 Unix SMB/CIFS implementation.
3 simple ldb tdb dump util
4 Copyright (C) Andrew Tridgell 2001
5 Copyright (C) Andrew Bartlett 2012
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 3 of the License, or
10 (at your option) any later version.
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with this program. If not, see <http://www.gnu.org/licenses/>.
22 #include "system/locale.h"
23 #include "system/time.h"
24 #include "system/filesys.h"
25 #include "system/wait.h"
28 #include "../ldb_tdb/ldb_tdb.h"
30 static struct ldb_context *ldb;
31 bool show_index = false;
32 bool validate_contents = false;
34 static int traverse_fn(TDB_CONTEXT *tdb, TDB_DATA key, TDB_DATA dbuf, void *state)
37 struct ldb_dn *dn = state;
38 struct ldb_message *msg = talloc_zero(NULL, struct ldb_message);
39 struct ldb_ldif ldif = {
41 .changetype = LDB_CHANGETYPE_NONE
46 ret = ltdb_unpack_data(ldb, &dbuf, msg);
48 fprintf(stderr, "Failed to parse record %*.*s as an LDB record\n", (int)key.dsize, (int)key.dsize, (char *)key.dptr);
53 if (dn && ldb_dn_compare(msg->dn, dn) != 0) {
58 if (!show_index && ldb_dn_is_special(msg->dn)) {
59 const char *dn_lin = ldb_dn_get_linearized(msg->dn);
60 if ((strcmp(dn_lin, LTDB_BASEINFO) == 0) || (strncmp(dn_lin, LTDB_INDEX ":", strlen( LTDB_INDEX ":")) == 0)) {
66 if (!validate_contents || ldb_dn_is_special(msg->dn)) {
67 ldb_ldif_write_file(ldb, stdout, &ldif);
72 for (i=0;i<msg->num_elements;i++) {
73 const struct ldb_schema_attribute *a;
75 a = ldb_schema_attribute_by_name(ldb, msg->elements[i].name);
76 for (j=0;j<msg->elements[i].num_values;j++) {
78 ret = a->syntax->ldif_write_fn(ldb, msg, &msg->elements[i].values[j], &v);
80 v = msg->elements[i].values[j];
81 if (ldb_should_b64_encode(ldb, &v)) {
82 v.data = (uint8_t *)ldb_base64_encode(ldb, (char *)v.data, v.length);
83 v.length = strlen((char *)v.data);
85 fprintf(stderr, "On %s element %s value %d (%*.*s) failed to convert to LDIF correctly, skipping possibly corrupt record\n",
86 ldb_dn_get_linearized(msg->dn),
87 msg->elements[i].name,
88 j, (int)v.length, (int)v.length,
95 ldb_ldif_write_file(ldb, stdout, &ldif);
101 static void log_stderr(struct tdb_context *tdb, enum tdb_debug_level level,
102 const char *fmt, ...)
105 const char *name = tdb_name(tdb);
106 const char *prefix = "";
112 case TDB_DEBUG_ERROR:
115 case TDB_DEBUG_WARNING:
116 prefix = "WARNING: ";
118 case TDB_DEBUG_TRACE:
122 case TDB_DEBUG_FATAL:
128 fprintf(stderr, "tdb(%s): %s", name, prefix);
129 vfprintf(stderr, fmt, ap);
133 static void emergency_walk(TDB_DATA key, TDB_DATA dbuf, void *keyname)
135 traverse_fn(NULL, key, dbuf, keyname);
138 static int dump_tdb(const char *fname, struct ldb_dn *dn, bool emergency)
141 struct tdb_logging_context logfn = { log_stderr };
143 tdb = tdb_open_ex(fname, 0, 0, O_RDONLY, 0, &logfn, NULL);
145 fprintf(stderr, "Failed to open %s\n", fname);
150 return tdb_rescue(tdb, emergency_walk, dn) == 0;
152 return tdb_traverse(tdb, traverse_fn, dn) == -1 ? 1 : 0;
155 static void usage( void)
157 printf( "Usage: tdbdump [options] <filename>\n\n");
158 printf( " -h this help message\n");
159 printf( " -d DN dumps DN only\n");
160 printf( " -e emergency dump, for corrupt databases\n");
161 printf( " -i include index and @BASEINFO records in dump\n");
162 printf( " -c validate contents of the records\n");
165 int main(int argc, char *argv[])
167 bool emergency = false;
170 struct ldb_dn *dn = NULL;
172 ldb = ldb_init(NULL, NULL);
174 fprintf(stderr, "ldb: ldb_init failed()");
178 rc = ldb_modules_hook(ldb, LDB_MODULE_HOOK_CMDLINE_PRECONNECT);
179 if (rc != LDB_SUCCESS) {
180 fprintf(stderr, "ldb: failed to run preconnect hooks (needed to get Samba LDIF handlers): %s\n", ldb_strerror(rc));
185 printf("Usage: ldbdump <fname>\n");
189 while ((c = getopt( argc, argv, "hd:ec")) != -1) {
195 dn = ldb_dn_new(ldb, ldb, optarg);
197 fprintf(stderr, "ldb failed to parse %s as a DN\n", optarg);
208 validate_contents = true;
216 fname = argv[optind];
218 return dump_tdb(fname, dn, emergency);