s3:ads fix dn parsing name was always null

While there also use ldap_exploded_dn instead of ldb_dn_validate()
so we can remove a huge dependency that is hanging there only for one very
minor marginal use.

Signed-off-by: Günther Deschner <gd@samba.org>

1 files changed, 16 insertions, 19 deletions

diff --git a/source3/libads/ldap.c b/source3/libads/ldap.c
index df45be5f8a..19a37c71a3 100644
--- a/source3/libads/ldap.c
+++ b/source3/libads/ldap.c
@@ -3856,39 +3856,36 @@ ADS_STATUS ads_check_ou_dn(TALLOC_CTX *mem_ctx,
 			   ADS_STRUCT *ads,
 			   const char **account_ou)
 {
-	struct ldb_dn *name_dn = NULL;
-	const char *name = NULL;
-	char *ou_string = NULL;
-	struct ldb_context *ldb = ldb_init(mem_ctx, NULL);
-
-	name_dn = ldb_dn_new(mem_ctx, ldb, *account_ou);
-	if (name_dn && ldb_dn_validate(name_dn)) {
-		talloc_free(ldb);
+	char **exploded_dn;
+	const char *name;
+	char *ou_string;
+
+	exploded_dn = ldap_explode_dn(*account_ou, 0);
+	if (exploded_dn) {
+		ldap_value_free(exploded_dn);
 		return ADS_SUCCESS;
 	}
 
 	ou_string = ads_ou_string(ads, *account_ou);
 	if (!ou_string) {
-		talloc_free(ldb);
 		return ADS_ERROR_LDAP(LDAP_INVALID_DN_SYNTAX);
 	}
 
-	name_dn = ldb_dn_new_fmt(mem_ctx, ldb, "%s,%s", ou_string,
-				 ads->config.bind_path);
+	name = talloc_asprintf(mem_ctx, "%s,%s", ou_string,
+			       ads->config.bind_path);
 	SAFE_FREE(ou_string);
 
-	if (!name_dn || !ldb_dn_validate(name_dn)) {
-		talloc_free(ldb);
-		return ADS_ERROR_LDAP(LDAP_INVALID_DN_SYNTAX);
+	if (!name) {
+		return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
 	}
 
-	*account_ou = talloc_strdup(mem_ctx, name);
-	if (!*account_ou) {
-		talloc_free(ldb);
-		return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
+	exploded_dn = ldap_explode_dn(name, 0);
+	if (!exploded_dn) {
+		return ADS_ERROR_LDAP(LDAP_INVALID_DN_SYNTAX);
 	}
+	ldap_value_free(exploded_dn);
 
-	talloc_free(ldb);
+	*account_ou = name;
 	return ADS_SUCCESS;
 }