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
+ 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,
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.
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/*
*/
#include "includes.h"
-#include "dlinklist.h"
+#include "lib/util/dlinklist.h"
#include "lib/events/events.h"
#include "lib/tdb/include/tdb.h"
#include "lib/ldb/include/ldb.h"
+#include "lib/ldb/include/ldb_errors.h"
+#include "lib/ldb-samba/ldif_handlers.h"
#include "db_wrap.h"
+#include "dsdb/samdb/samdb.h"
+#include "param/param.h"
static struct tdb_wrap *tdb_list;
static void ldb_wrap_debug(void *context, enum ldb_debug_level level,
const char *fmt, va_list ap)
{
+ int samba_level;
char *s = NULL;
- if (DEBUGLEVEL < 4 && level > LDB_DEBUG_WARNING) {
- return;
- }
+ switch (level) {
+ case LDB_DEBUG_FATAL:
+ samba_level = 0;
+ break;
+ case LDB_DEBUG_ERROR:
+ samba_level = 1;
+ break;
+ case LDB_DEBUG_WARNING:
+ samba_level = 2;
+ break;
+ case LDB_DEBUG_TRACE:
+ samba_level = 5;
+ break;
+
+ };
vasprintf(&s, fmt, ap);
if (!s) return;
DEBUG(level, ("ldb: %s\n", s));
free(s);
}
+char *wrap_casefold(void *context, void *mem_ctx, const char *s)
+{
+ return strupper_talloc(mem_ctx, s);
+}
+
+/* check for memory leaks on the ldb context */
+static int ldb_wrap_destructor(struct ldb_context *ldb)
+{
+ size_t *startup_blocks = (size_t *)ldb_get_opaque(ldb, "startup_blocks");
+ if (startup_blocks &&
+ talloc_total_blocks(ldb) > *startup_blocks + 400) {
+ DEBUG(0,("WARNING: probable memory leak in ldb %s - %lu blocks (startup %lu) %lu bytes\n",
+ (char *)ldb_get_opaque(ldb, "wrap_url"),
+ (unsigned long)talloc_total_blocks(ldb),
+ (unsigned long)*startup_blocks,
+ (unsigned long)talloc_total_size(ldb)));
+#if 0
+ talloc_report_full(ldb, stdout);
+ call_backtrace();
+ smb_panic("probable memory leak in ldb");
+#endif
+ }
+ return 0;
+}
+
/*
wrapped connection to a ldb database
to close just talloc_free() the returned ldb_context
+
+ TODO: We need an error_string parameter
*/
struct ldb_context *ldb_wrap_connect(TALLOC_CTX *mem_ctx,
const char *url,
+ struct auth_session_info *session_info,
+ struct cli_credentials *credentials,
unsigned int flags,
const char *options[])
{
int ret;
struct event_context *ev;
char *real_url = NULL;
+ size_t *startup_blocks;
ldb = ldb_init(mem_ctx);
if (ldb == NULL) {
return NULL;
}
+ ldb_set_modules_dir(ldb,
+ talloc_asprintf(ldb, "%s/ldb", lp_modulesdir()));
+
/* we want to use the existing event context if possible. This
relies on the fact that in smbd, everything is a child of
the main event_context */
ev = event_context_find(ldb);
+ if (ldb_set_opaque(ldb, "EventContext", ev)) {
+ talloc_free(ldb);
+ return NULL;
+ }
+
+ if (ldb_set_opaque(ldb, "sessionInfo", session_info)) {
+ talloc_free(ldb);
+ return NULL;
+ }
+
+ if (ldb_set_opaque(ldb, "credentials", credentials)) {
+ talloc_free(ldb);
+ return NULL;
+ }
+
+ if (strcmp(lp_sam_url(), url) == 0) {
+ dsdb_set_global_schema(ldb);
+ }
+
ret = ldb_register_samba_handlers(ldb);
if (ret == -1) {
talloc_free(ldb);
return NULL;
}
+ ldb_set_debug(ldb, ldb_wrap_debug, NULL);
+
+ ldb_set_utf8_fns(ldb, NULL, wrap_casefold);
+
real_url = private_path(ldb, url);
if (real_url == NULL) {
talloc_free(ldb);
}
/* allow admins to force non-sync ldb for all databases */
- if (lp_parm_bool(-1, "ldb", "nosync", False)) {
+ if (lp_parm_bool(NULL, "ldb", "nosync", false)) {
flags |= LDB_FLG_NOSYNC;
}
+
+ /* we usually want Samba databases to be private. If we later
+ find we need one public, we will need to add a parameter to
+ ldb_wrap_connect() */
+ ldb_set_create_perms(ldb, 0600);
ret = ldb_connect(ldb, real_url, flags, options);
- if (ret == -1) {
+ if (ret != LDB_SUCCESS) {
talloc_free(ldb);
return NULL;
}
- talloc_free(real_url);
-
- ldb_set_debug(ldb, ldb_wrap_debug, NULL);
+ /* setup for leak detection */
+ ldb_set_opaque(ldb, "wrap_url", real_url);
+ startup_blocks = talloc(ldb, size_t);
+ *startup_blocks = talloc_total_blocks(ldb);
+ ldb_set_opaque(ldb, "startup_blocks", startup_blocks);
+
+ talloc_set_destructor(ldb, ldb_wrap_destructor);
return ldb;
}
/*
Log tdb messages via DEBUG().
*/
-static void tdb_wrap_log(TDB_CONTEXT *tdb, int level,
+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, int level,
+static void tdb_wrap_log(TDB_CONTEXT *tdb, enum tdb_debug_level level,
const char *format, ...)
{
va_list ap;
char *ptr = NULL;
+ int debug_level;
va_start(ap, format);
vasprintf(&ptr, format, ap);
va_end(ap);
+ switch (level) {
+ case TDB_DEBUG_FATAL:
+ debug_level = 0;
+ break;
+ case TDB_DEBUG_ERROR:
+ debug_level = 1;
+ break;
+ case TDB_DEBUG_WARNING:
+ debug_level = 2;
+ break;
+ case TDB_DEBUG_TRACE:
+ debug_level = 5;
+ break;
+ default:
+ debug_level = 0;
+ }
+
if (ptr != NULL) {
const char *name = tdb_name(tdb);
- DEBUG(level, ("tdb(%s): %s", name ? name : "unnamed", ptr));
+ DEBUG(debug_level, ("tdb(%s): %s", name ? name : "unnamed", ptr));
free(ptr);
}
}
/* destroy the last connection to a tdb */
-static int tdb_wrap_destructor(void *ctx)
+static int tdb_wrap_destructor(struct tdb_wrap *w)
{
- struct tdb_wrap *w = ctx;
tdb_close(w->tdb);
DLIST_REMOVE(tdb_list, w);
return 0;
int open_flags, mode_t mode)
{
struct tdb_wrap *w;
+ struct tdb_logging_context log_ctx;
+ log_ctx.log_fn = tdb_wrap_log;
for (w=tdb_list;w;w=w->next) {
if (strcmp(name, w->name) == 0) {
w->name = talloc_strdup(w, name);
w->tdb = tdb_open_ex(name, hash_size, tdb_flags,
- open_flags, mode, tdb_wrap_log, NULL);
+ open_flags, mode, &log_ctx, NULL);
if (w->tdb == NULL) {
talloc_free(w);
return NULL;
git.samba.org / kai / samba.git / blobdiff