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-rw-r--r--ldb/tools/ldbedit.c329
1 files changed, 329 insertions, 0 deletions
diff --git a/ldb/tools/ldbedit.c b/ldb/tools/ldbedit.c
new file mode 100644
index 000000000..e58a5a271
--- /dev/null
+++ b/ldb/tools/ldbedit.c
@@ -0,0 +1,329 @@
+/*
+ ldb database library
+
+ Copyright (C) Andrew Tridgell 2004
+
+ ** NOTE! The following LGPL license applies to the ldb
+ ** library. This does NOT imply that all of Samba is released
+ ** under the LGPL
+
+ This library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 3 of the License, or (at your option) any later version.
+
+ This library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with this library; if not, see <http://www.gnu.org/licenses/>.
+*/
+
+/*
+ * Name: ldb
+ *
+ * Component: ldbedit
+ *
+ * Description: utility for ldb database editing
+ *
+ * Author: Andrew Tridgell
+ */
+
+#include "ldb_includes.h"
+#include "tools/cmdline.h"
+
+static struct ldb_cmdline *options;
+
+/*
+ debug routine
+*/
+static void ldif_write_msg(struct ldb_context *ldb,
+ FILE *f,
+ enum ldb_changetype changetype,
+ struct ldb_message *msg)
+{
+ struct ldb_ldif ldif;
+ ldif.changetype = changetype;
+ ldif.msg = msg;
+ ldb_ldif_write_file(ldb, f, &ldif);
+}
+
+/*
+ modify a database record so msg1 becomes msg2
+ returns the number of modified elements
+*/
+static int modify_record(struct ldb_context *ldb,
+ struct ldb_message *msg1,
+ struct ldb_message *msg2)
+{
+ struct ldb_message *mod;
+
+ mod = ldb_msg_diff(ldb, msg1, msg2);
+ if (mod == NULL) {
+ fprintf(stderr, "Failed to calculate message differences\n");
+ return -1;
+ }
+
+ if (mod->num_elements == 0) {
+ return 0;
+ }
+
+ if (options->verbose > 0) {
+ ldif_write_msg(ldb, stdout, LDB_CHANGETYPE_MODIFY, mod);
+ }
+
+ if (ldb_modify(ldb, mod) != 0) {
+ fprintf(stderr, "failed to modify %s - %s\n",
+ ldb_dn_get_linearized(msg1->dn), ldb_errstring(ldb));
+ return -1;
+ }
+
+ return mod->num_elements;
+}
+
+/*
+ find dn in msgs[]
+*/
+static struct ldb_message *msg_find(struct ldb_context *ldb,
+ struct ldb_message **msgs,
+ int count,
+ struct ldb_dn *dn)
+{
+ int i;
+ for (i=0;i<count;i++) {
+ if (ldb_dn_compare(dn, msgs[i]->dn) == 0) {
+ return msgs[i];
+ }
+ }
+ return NULL;
+}
+
+/*
+ merge the changes in msgs2 into the messages from msgs1
+*/
+static int merge_edits(struct ldb_context *ldb,
+ struct ldb_message **msgs1, int count1,
+ struct ldb_message **msgs2, int count2)
+{
+ int i;
+ struct ldb_message *msg;
+ int ret = 0;
+ int adds=0, modifies=0, deletes=0;
+
+ /* do the adds and modifies */
+ for (i=0;i<count2;i++) {
+ msg = msg_find(ldb, msgs1, count1, msgs2[i]->dn);
+ if (!msg) {
+ if (options->verbose > 0) {
+ ldif_write_msg(ldb, stdout, LDB_CHANGETYPE_ADD, msgs2[i]);
+ }
+ if (ldb_add(ldb, msgs2[i]) != 0) {
+ fprintf(stderr, "failed to add %s - %s\n",
+ ldb_dn_get_linearized(msgs2[i]->dn),
+ ldb_errstring(ldb));
+ return -1;
+ }
+ adds++;
+ } else {
+ if (modify_record(ldb, msg, msgs2[i]) > 0) {
+ modifies++;
+ }
+ }
+ }
+
+ /* do the deletes */
+ for (i=0;i<count1;i++) {
+ msg = msg_find(ldb, msgs2, count2, msgs1[i]->dn);
+ if (!msg) {
+ if (options->verbose > 0) {
+ ldif_write_msg(ldb, stdout, LDB_CHANGETYPE_DELETE, msgs1[i]);
+ }
+ if (ldb_delete(ldb, msgs1[i]->dn) != 0) {
+ fprintf(stderr, "failed to delete %s - %s\n",
+ ldb_dn_get_linearized(msgs1[i]->dn),
+ ldb_errstring(ldb));
+ return -1;
+ }
+ deletes++;
+ }
+ }
+
+ printf("# %d adds %d modifies %d deletes\n", adds, modifies, deletes);
+
+ return ret;
+}
+
+/*
+ save a set of messages as ldif to a file
+*/
+static int save_ldif(struct ldb_context *ldb,
+ FILE *f, struct ldb_message **msgs, int count)
+{
+ int i;
+
+ fprintf(f, "# editing %d records\n", count);
+
+ for (i=0;i<count;i++) {
+ struct ldb_ldif ldif;
+ fprintf(f, "# record %d\n", i+1);
+
+ ldif.changetype = LDB_CHANGETYPE_NONE;
+ ldif.msg = msgs[i];
+
+ ldb_ldif_write_file(ldb, f, &ldif);
+ }
+
+ return 0;
+}
+
+
+/*
+ edit the ldb search results in msgs using the user selected editor
+*/
+static int do_edit(struct ldb_context *ldb, struct ldb_message **msgs1, int count1,
+ const char *editor)
+{
+ int fd, ret;
+ FILE *f;
+ char file_template[] = "/tmp/ldbedit.XXXXXX";
+ char *cmd;
+ struct ldb_ldif *ldif;
+ struct ldb_message **msgs2 = NULL;
+ int count2 = 0;
+
+ /* write out the original set of messages to a temporary
+ file */
+ fd = mkstemp(file_template);
+
+ if (fd == -1) {
+ perror(file_template);
+ return -1;
+ }
+
+ f = fdopen(fd, "r+");
+
+ if (!f) {
+ perror("fopen");
+ close(fd);
+ unlink(file_template);
+ return -1;
+ }
+
+ if (save_ldif(ldb, f, msgs1, count1) != 0) {
+ return -1;
+ }
+
+ fclose(f);
+
+ cmd = talloc_asprintf(ldb, "%s %s", editor, file_template);
+
+ if (!cmd) {
+ unlink(file_template);
+ fprintf(stderr, "out of memory\n");
+ return -1;
+ }
+
+ /* run the editor */
+ ret = system(cmd);
+ talloc_free(cmd);
+
+ if (ret != 0) {
+ unlink(file_template);
+ fprintf(stderr, "edit with %s failed\n", editor);
+ return -1;
+ }
+
+ /* read the resulting ldif into msgs2 */
+ f = fopen(file_template, "r");
+ if (!f) {
+ perror(file_template);
+ return -1;
+ }
+
+ while ((ldif = ldb_ldif_read_file(ldb, f))) {
+ msgs2 = talloc_realloc(ldb, msgs2, struct ldb_message *, count2+1);
+ if (!msgs2) {
+ fprintf(stderr, "out of memory");
+ return -1;
+ }
+ msgs2[count2++] = ldif->msg;
+ }
+
+ fclose(f);
+ unlink(file_template);
+
+ return merge_edits(ldb, msgs1, count1, msgs2, count2);
+}
+
+static void usage(void)
+{
+ printf("Usage: ldbedit <options> <expression> <attributes ...>\n");
+ printf("Options:\n");
+ printf(" -H ldb_url choose the database (or $LDB_URL)\n");
+ printf(" -s base|sub|one choose search scope\n");
+ printf(" -b basedn choose baseDN\n");
+ printf(" -a edit all records (expression 'objectclass=*')\n");
+ printf(" -e editor choose editor (or $VISUAL or $EDITOR)\n");
+ printf(" -v verbose mode\n");
+ exit(1);
+}
+
+int main(int argc, const char **argv)
+{
+ struct ldb_context *ldb;
+ struct ldb_result *result = NULL;
+ struct ldb_dn *basedn = NULL;
+ int ret;
+ const char *expression = "(|(objectClass=*)(distinguishedName=*))";
+ const char * const * attrs = NULL;
+
+ ldb = ldb_init(NULL, NULL);
+
+ options = ldb_cmdline_process(ldb, argc, argv, usage);
+
+ /* the check for '=' is for compatibility with ldapsearch */
+ if (options->argc > 0 &&
+ strchr(options->argv[0], '=')) {
+ expression = options->argv[0];
+ options->argv++;
+ options->argc--;
+ }
+
+ if (options->argc > 0) {
+ attrs = (const char * const *)(options->argv);
+ }
+
+ if (options->basedn != NULL) {
+ basedn = ldb_dn_new(ldb, ldb, options->basedn);
+ if ( ! ldb_dn_validate(basedn)) {
+ printf("Invalid Base DN format\n");
+ exit(1);
+ }
+ }
+
+ ret = ldb_search(ldb, basedn, options->scope, expression, attrs, &result);
+ if (ret != LDB_SUCCESS) {
+ printf("search failed - %s\n", ldb_errstring(ldb));
+ exit(1);
+ }
+
+ if (result->count == 0) {
+ printf("no matching records - cannot edit\n");
+ return 0;
+ }
+
+ do_edit(ldb, result->msgs, result->count, options->editor);
+
+ if (result) {
+ ret = talloc_free(result);
+ if (ret == -1) {
+ fprintf(stderr, "talloc_free failed\n");
+ exit(1);
+ }
+ }
+
+ talloc_free(ldb);
+ return 0;
+}
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