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-rw-r--r--lib/util/tdb_wrap.c212
-rw-r--r--lib/util/tdb_wrap.h45
-rwxr-xr-xlib/util/wscript_build7
3 files changed, 0 insertions, 264 deletions
diff --git a/lib/util/tdb_wrap.c b/lib/util/tdb_wrap.c
deleted file mode 100644
index 7c3318bcad..0000000000
--- a/lib/util/tdb_wrap.c
+++ /dev/null
@@ -1,212 +0,0 @@
-/*
- Unix SMB/CIFS implementation.
- TDB wrap functions
-
- Copyright (C) Andrew Tridgell 2004
- Copyright (C) Jelmer Vernooij <jelmer@samba.org> 2007
-
- 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 3 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, see <http://www.gnu.org/licenses/>.
-*/
-
-#include "includes.h"
-#include "lib/util/dlinklist.h"
-#include "lib/util/tdb_wrap.h"
-#include "lib/param/param.h"
-
-/* FIXME: TDB2 does this internally, so no need to wrap multiple opens! */
-#if BUILD_TDB2
-static void tdb_wrap_log(struct tdb_context *tdb,
- enum tdb_log_level level,
- enum TDB_ERROR ecode,
- const char *message,
- void *unused)
-{
- int dl;
- const char *name = tdb_name(tdb);
-
- switch (level) {
- case TDB_LOG_USE_ERROR:
- case TDB_LOG_ERROR:
- dl = 0;
- break;
- case TDB_LOG_WARNING:
- dl = 2;
- break;
- default:
- dl = 0;
- }
-
- DEBUG(dl, ("tdb(%s):%s: %s", name ? name : "unnamed",
- tdb_errorstr(ecode), message));
-}
-#else
-/*
- Log tdb messages via DEBUG().
-*/
-static void tdb_wrap_log(TDB_CONTEXT *tdb, enum tdb_debug_level level,
- const char *format, ...) PRINTF_ATTRIBUTE(3,4);
-
-static void tdb_wrap_log(TDB_CONTEXT *tdb, enum tdb_debug_level level,
- const char *format, ...)
-{
- va_list ap;
- char *ptr = NULL;
- int debuglevel = 0;
- int ret;
-
- switch (level) {
- case TDB_DEBUG_FATAL:
- debuglevel = 0;
- break;
- case TDB_DEBUG_ERROR:
- debuglevel = 1;
- break;
- case TDB_DEBUG_WARNING:
- debuglevel = 2;
- break;
- case TDB_DEBUG_TRACE:
- debuglevel = 5;
- break;
- default:
- debuglevel = 0;
- }
-
- va_start(ap, format);
- ret = vasprintf(&ptr, format, ap);
- va_end(ap);
-
- if (ret != -1) {
- const char *name = tdb_name(tdb);
- DEBUG(debuglevel, ("tdb(%s): %s", name ? name : "unnamed", ptr));
- free(ptr);
- }
-}
-#endif
-
-struct tdb_wrap_private {
- struct tdb_context *tdb;
- const char *name;
- struct tdb_wrap_private *next, *prev;
-};
-
-static struct tdb_wrap_private *tdb_list;
-
-/* destroy the last connection to a tdb */
-static int tdb_wrap_private_destructor(struct tdb_wrap_private *w)
-{
- tdb_close(w->tdb);
- DLIST_REMOVE(tdb_list, w);
- return 0;
-}
-
-static struct tdb_wrap_private *tdb_wrap_private_open(TALLOC_CTX *mem_ctx,
- const char *name,
- int hash_size,
- int tdb_flags,
- int open_flags,
- mode_t mode,
- struct loadparm_context *lp_ctx)
-{
- struct tdb_wrap_private *result;
-
- result = talloc(mem_ctx, struct tdb_wrap_private);
- if (result == NULL) {
- return NULL;
- }
- result->name = talloc_strdup(result, name);
- if (result->name == NULL) {
- goto fail;
- }
-
- if (!lpcfg_use_mmap(lp_ctx)) {
- tdb_flags |= TDB_NOMMAP;
- }
-
- if ((hash_size == 0) && (name != NULL)) {
- const char *base;
- base = strrchr_m(name, '/');
-
- if (base != NULL) {
- base += 1;
- } else {
- base = name;
- }
- hash_size = lpcfg_parm_int(lp_ctx, NULL, "tdb_hashsize", base, 0);
- }
-
- result->tdb = tdb_open_compat(name, hash_size, tdb_flags,
- open_flags, mode, tdb_wrap_log, NULL);
- if (result->tdb == NULL) {
- goto fail;
- }
- talloc_set_destructor(result, tdb_wrap_private_destructor);
- DLIST_ADD(tdb_list, result);
- return result;
-
-fail:
- TALLOC_FREE(result);
- return NULL;
-}
-
-/*
- wrapped connection to a tdb database
- to close just talloc_free() the tdb_wrap pointer
- */
-struct tdb_wrap *tdb_wrap_open(TALLOC_CTX *mem_ctx,
- const char *name, int hash_size, int tdb_flags,
- int open_flags, mode_t mode,
- struct loadparm_context *lp_ctx)
-{
- struct tdb_wrap *result;
- struct tdb_wrap_private *w;
-
- result = talloc(mem_ctx, struct tdb_wrap);
- if (result == NULL) {
- return NULL;
- }
-
- for (w=tdb_list;w;w=w->next) {
- if (strcmp(name, w->name) == 0) {
- break;
- }
- }
-
- if (w == NULL) {
- w = tdb_wrap_private_open(result, name, hash_size, tdb_flags,
- open_flags, mode, lp_ctx);
- } else {
- /*
- * Correctly use talloc_reference: The tdb will be
- * closed when "w" is being freed. The caller never
- * sees "w", so an incorrect use of talloc_free(w)
- * instead of calling talloc_unlink is not possible.
- * To avoid having to refcount ourselves, "w" will
- * have multiple parents that hang off all the
- * tdb_wrap's being returned from here. Those parents
- * can be freed without problem.
- */
- if (talloc_reference(result, w) == NULL) {
- goto fail;
- }
- }
- if (w == NULL) {
- goto fail;
- }
- result->tdb = w->tdb;
- return result;
-fail:
- TALLOC_FREE(result);
- return NULL;
-}
-
diff --git a/lib/util/tdb_wrap.h b/lib/util/tdb_wrap.h
deleted file mode 100644
index 81e77e76a4..0000000000
--- a/lib/util/tdb_wrap.h
+++ /dev/null
@@ -1,45 +0,0 @@
-/*
- Unix SMB/CIFS implementation.
-
- database wrap headers
-
- Copyright (C) Andrew Tridgell 2004
-
- 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 3 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, see <http://www.gnu.org/licenses/>.
-*/
-
-/* IMPORTANT: tdb_wrap should be always preferred over tdb_context for end consumer functions
- it's because if the code will be running inside smbd, then we must use the linked list
- of open tdb files, to determine if the tdb we desire is already open
- as otherwise, when you close the tdb (even on a different file descriptor),
- ALL LOCKS are lost (due to a real screwup in the POSIX specification that nobody has been able to get fixed)
-*/
-
-#ifndef _TDB_WRAP_H_
-#define _TDB_WRAP_H_
-
-#include "tdb_compat.h"
-
-struct tdb_wrap {
- struct tdb_context *tdb;
-};
-
-struct loadparm_context;
-
-struct tdb_wrap *tdb_wrap_open(TALLOC_CTX *mem_ctx,
- const char *name, int hash_size, int tdb_flags,
- int open_flags, mode_t mode,
- struct loadparm_context *lp_ctx);
-
-#endif /* _TDB_WRAP_H_ */
diff --git a/lib/util/wscript_build b/lib/util/wscript_build
index 1dc65fab5e..79b9f02050 100755
--- a/lib/util/wscript_build
+++ b/lib/util/wscript_build
@@ -85,10 +85,3 @@ bld.SAMBA_SUBSYSTEM('UTIL_PW',
public_deps='talloc'
)
-
-bld.SAMBA_LIBRARY('tdb-wrap',
- source='tdb_wrap.c',
- deps='tdb_compat talloc samba-util samba-hostconfig',
- private_library=True,
- local_include=False
- )
generated by cgit (git 2.34.1) at 2024-12-02 07:44:37 +0000