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Diffstat (limited to 'source4/lib/ldb_wrap.c')
| -rw-r--r-- | source4/lib/ldb_wrap.c | 186 |
1 files changed, 0 insertions, 186 deletions
diff --git a/source4/lib/ldb_wrap.c b/source4/lib/ldb_wrap.c deleted file mode 100644 index 21ca04997e..0000000000 --- a/source4/lib/ldb_wrap.c +++ /dev/null @@ -1,186 +0,0 @@ -/* - Unix SMB/CIFS implementation. - - LDB wrap functions - - 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/>. -*/ - -/* - the stupidity of the unix fcntl locking design forces us to never - allow a database file to be opened twice in the same process. These - wrappers provide convenient access to a tdb or ldb, taking advantage - of talloc destructors to ensure that only a single open is done -*/ - -#include "includes.h" -#include "lib/events/events.h" -#include "lib/ldb/include/ldb.h" -#include "lib/ldb/include/ldb_errors.h" -#include "lib/ldb-samba/ldif_handlers.h" -#include "ldb_wrap.h" -#include "dsdb/samdb/samdb.h" -#include "param/param.h" - -/* - this is used to catch debug messages from ldb -*/ -static void ldb_wrap_debug(void *context, enum ldb_debug_level level, - const char *fmt, va_list ap) PRINTF_ATTRIBUTE(3,0); - -static void ldb_wrap_debug(void *context, enum ldb_debug_level level, - const char *fmt, va_list ap) -{ - int samba_level; - char *s = NULL; - 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); -} - -/* 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, - struct loadparm_context *lp_ctx, - const char *url, - struct auth_session_info *session_info, - struct cli_credentials *credentials, - unsigned int flags, - const char *options[]) -{ - struct ldb_context *ldb; - 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(lp_ctx))); - - /* 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(lp_ctx), 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, lp_ctx, url); - if (real_url == NULL) { - talloc_free(ldb); - return NULL; - } - - /* allow admins to force non-sync ldb for all databases */ - if (lp_parm_bool(lp_ctx, 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 != LDB_SUCCESS) { - talloc_free(ldb); - return 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; -} - - - |