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authorStefan Metzmacher <metze@samba.org>2007-04-17 16:53:06 +0000
committerGerald (Jerry) Carter <jerry@samba.org>2007-10-10 12:19:26 -0500
commit97079ab953a9021d67b3ec775d0321d1d4bd0e73 (patch)
tree0e2307443d46494606f08a01d0bdf06eaaae3876 /source3/lib/tdb/common
parentf1a0e7dc75a917c719fd8417859a31b7d9722b1d (diff)
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r22315: move tdbback.c content into tdbbackup.c
and make the functions static. also use libreplace headers in tdbbackup.c metze (This used to be commit 1ca12b1c9e7e8267fa13a40ebeb2bdcd199237de)
Diffstat (limited to 'source3/lib/tdb/common')
-rw-r--r--source3/lib/tdb/common/tdbback.c227
1 files changed, 0 insertions, 227 deletions
diff --git a/source3/lib/tdb/common/tdbback.c b/source3/lib/tdb/common/tdbback.c
deleted file mode 100644
index 28de85c29f..0000000000
--- a/source3/lib/tdb/common/tdbback.c
+++ /dev/null
@@ -1,227 +0,0 @@
-/*
- Unix SMB/CIFS implementation.
- low level tdb backup and restore utility
- Copyright (C) Andrew Tridgell 2002
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
-
- This program 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 General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-*/
-
-#ifdef STANDALONE
-#if HAVE_CONFIG_H
-#include <config.h>
-#endif
-
-#include <errno.h>
-#include <stdlib.h>
-#include <stdio.h>
-#include <fcntl.h>
-#include <unistd.h>
-#include <string.h>
-#include <fcntl.h>
-#include <time.h>
-#include <sys/mman.h>
-
-#include <sys/stat.h>
-#include <sys/time.h>
-#include <ctype.h>
-#include <signal.h>
-
-#else
-#include "includes.h"
-
-#ifdef malloc
-#undef malloc
-#endif
-
-#ifdef realloc
-#undef realloc
-#endif
-
-#ifdef calloc
-#undef calloc
-#endif
-
-#endif
-
-#include "tdb.h"
-
-static int failed;
-
-char *add_suffix(const char *name, const char *suffix)
-{
- char *ret;
- int len = strlen(name) + strlen(suffix) + 1;
- ret = (char *)malloc(len);
- if (!ret) {
- fprintf(stderr,"Out of memory!\n");
- exit(1);
- }
- snprintf(ret, len, "%s%s", name, suffix);
- return ret;
-}
-
-static int copy_fn(TDB_CONTEXT *tdb, TDB_DATA key, TDB_DATA dbuf, void *state)
-{
- TDB_CONTEXT *tdb_new = (TDB_CONTEXT *)state;
-
- if (tdb_store(tdb_new, key, dbuf, TDB_INSERT) != 0) {
- fprintf(stderr,"Failed to insert into %s\n", tdb_name(tdb));
- failed = 1;
- return 1;
- }
- return 0;
-}
-
-
-static int test_fn(TDB_CONTEXT *tdb, TDB_DATA key, TDB_DATA dbuf, void *state)
-{
- return 0;
-}
-
-/*
- carefully backup a tdb, validating the contents and
- only doing the backup if its OK
- this function is also used for restore
-*/
-int backup_tdb(const char *old_name, const char *new_name, int hash_size)
-{
- TDB_CONTEXT *tdb;
- TDB_CONTEXT *tdb_new;
- char *tmp_name;
- struct stat st;
- int count1, count2;
-
- tmp_name = add_suffix(new_name, ".tmp");
-
- /* stat the old tdb to find its permissions */
- if (stat(old_name, &st) != 0) {
- perror(old_name);
- free(tmp_name);
- return 1;
- }
-
- /* open the old tdb */
- tdb = tdb_open(old_name, 0, 0, O_RDWR, 0);
- if (!tdb) {
- printf("Failed to open %s\n", old_name);
- free(tmp_name);
- return 1;
- }
-
- /* create the new tdb */
- unlink(tmp_name);
- tdb_new = tdb_open(tmp_name,
- hash_size ? hash_size : tdb_hash_size(tdb),
- TDB_DEFAULT, O_RDWR|O_CREAT|O_EXCL,
- st.st_mode & 0777);
- if (!tdb_new) {
- perror(tmp_name);
- free(tmp_name);
- return 1;
- }
-
- /* lock the old tdb */
- if (tdb_lockall(tdb) != 0) {
- fprintf(stderr,"Failed to lock %s\n", old_name);
- tdb_close(tdb);
- tdb_close(tdb_new);
- unlink(tmp_name);
- free(tmp_name);
- return 1;
- }
-
- failed = 0;
-
- /* traverse and copy */
- count1 = tdb_traverse(tdb, copy_fn, (void *)tdb_new);
- if (count1 < 0 || failed) {
- fprintf(stderr,"failed to copy %s\n", old_name);
- tdb_close(tdb);
- tdb_close(tdb_new);
- unlink(tmp_name);
- free(tmp_name);
- return 1;
- }
-
- /* close the old tdb */
- tdb_close(tdb);
-
- /* close the new tdb and re-open read-only */
- tdb_close(tdb_new);
- tdb_new = tdb_open(tmp_name, 0, TDB_DEFAULT, O_RDONLY, 0);
- if (!tdb_new) {
- fprintf(stderr,"failed to reopen %s\n", tmp_name);
- unlink(tmp_name);
- perror(tmp_name);
- free(tmp_name);
- return 1;
- }
-
- /* traverse the new tdb to confirm */
- count2 = tdb_traverse(tdb_new, test_fn, 0);
- if (count2 != count1) {
- fprintf(stderr,"failed to copy %s\n", old_name);
- tdb_close(tdb_new);
- unlink(tmp_name);
- free(tmp_name);
- return 1;
- }
-
- /* make sure the new tdb has reached stable storage */
- fsync(tdb_fd(tdb_new));
-
- /* close the new tdb and rename it to .bak */
- tdb_close(tdb_new);
- unlink(new_name);
- if (rename(tmp_name, new_name) != 0) {
- perror(new_name);
- free(tmp_name);
- return 1;
- }
-
- free(tmp_name);
-
- return 0;
-}
-
-
-
-/*
- verify a tdb and if it is corrupt then restore from *.bak
-*/
-int verify_tdb(const char *fname, const char *bak_name)
-{
- TDB_CONTEXT *tdb;
- int count = -1;
-
- /* open the tdb */
- tdb = tdb_open(fname, 0, 0, O_RDONLY, 0);
-
- /* traverse the tdb, then close it */
- if (tdb) {
- count = tdb_traverse(tdb, test_fn, NULL);
- tdb_close(tdb);
- }
-
- /* count is < 0 means an error */
- if (count < 0) {
- printf("restoring %s\n", fname);
- return backup_tdb(bak_name, fname, 0);
- }
-
- printf("%s : %d records\n", fname, count);
-
- return 0;
-}