Adding upstream version 2:4.20.0+dfsg.upstream/2%4.20.0+dfsg

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 114 insertions, 0 deletions

diff --git a/lib/util/util_ldb.c b/lib/util/util_ldb.c
new file mode 100644
index 0000000..1fd5422
--- /dev/null
+++ b/lib/util/util_ldb.c
@@ -0,0 +1,114 @@
+/*
+   Unix SMB/CIFS implementation.
+
+   common share info functions
+
+   Copyright (C) Andrew Tridgell 2004
+   Copyright (C) Tim Potter 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/>.
+*/
+
+#include "replace.h"
+#include <ldb.h>
+#include "lib/util/util_ldb.h"
+#include "lib/util/debug.h"
+
+/*
+ * search the LDB for the specified attributes - va_list variant
+ */
+int gendb_search_v(struct ldb_context *ldb,
+		   TALLOC_CTX *mem_ctx,
+		   struct ldb_dn *basedn,
+		   struct ldb_message ***msgs,
+		   const char * const *attrs,
+		   const char *format,
+		   va_list ap)
+{
+	enum ldb_scope scope = LDB_SCOPE_SUBTREE;
+	struct ldb_result *res;
+	char *expr = NULL;
+	int ret;
+
+	if (format) {
+		expr = talloc_vasprintf(mem_ctx, format, ap);
+		if (expr == NULL) {
+			return -1;
+		}
+	} else {
+		scope = LDB_SCOPE_BASE;
+	}
+
+	res = NULL;
+
+	ret = ldb_search(ldb, mem_ctx, &res, basedn, scope, attrs,
+			 expr?"%s":NULL, expr);
+
+	if (ret == LDB_SUCCESS) {
+		DBG_DEBUG("%s %s -> %d\n",
+			 basedn?ldb_dn_get_linearized(basedn):"NULL",
+			 expr?expr:"NULL", res->count);
+
+		ret = res->count;
+		if (msgs != NULL) {
+			*msgs = talloc_steal(mem_ctx, res->msgs);
+		}
+		talloc_free(res);
+	} else if (scope == LDB_SCOPE_BASE && ret == LDB_ERR_NO_SUCH_OBJECT) {
+		ret = 0;
+		if (msgs != NULL) *msgs = NULL;
+	} else {
+		DBG_INFO("search failed: %s\n",
+			 ldb_errstring(ldb));
+		ret = -1;
+		if (msgs != NULL) *msgs = NULL;
+	}
+
+	talloc_free(expr);
+
+	return ret;
+}
+
+/*
+ * search the LDB for the specified attributes - varargs variant
+ */
+int gendb_search(struct ldb_context *ldb,
+		 TALLOC_CTX *mem_ctx,
+		 struct ldb_dn *basedn,
+		 struct ldb_message ***res,
+		 const char * const *attrs,
+		 const char *format, ...)
+{
+	va_list ap;
+	int count;
+
+	va_start(ap, format);
+	count = gendb_search_v(ldb, mem_ctx, basedn, res, attrs, format, ap);
+	va_end(ap);
+
+	return count;
+}
+
+/*
+ * search the LDB for a specified record (by DN)
+ */
+int gendb_search_dn(struct ldb_context *ldb,
+		 TALLOC_CTX *mem_ctx,
+		 struct ldb_dn *dn,
+		 struct ldb_message ***res,
+		 const char * const *attrs)
+{
+	return gendb_search(ldb, mem_ctx, dn, res, attrs, NULL);
+}
+