From 83517d2e597878b86dc51edc6bb0bf25c7d62068 Mon Sep 17 00:00:00 2001
From: Matthias Dieter Wallnöfer <mdw@samba.org>
Date: Sat, 5 Mar 2011 17:24:10 +0100
Subject: s4:instancetype LDB module - perform here only the "instanceType"
 constraint checks

The boilerplate entries (when this support has been implemented) should
be provided by the "new_partition" LDB module. These are for example the
deleted object and lost and found container.
---
 source4/dsdb/samdb/ldb_modules/instancetype.c | 94 +++++----------------------
 1 file changed, 16 insertions(+), 78 deletions(-)

(limited to 'source4/dsdb')

diff --git a/source4/dsdb/samdb/ldb_modules/instancetype.c b/source4/dsdb/samdb/ldb_modules/instancetype.c
index 2044b05be4..e008deb02b 100644
--- a/source4/dsdb/samdb/ldb_modules/instancetype.c
+++ b/source4/dsdb/samdb/ldb_modules/instancetype.c
@@ -38,66 +38,23 @@
 #include "../libds/common/flags.h"
 #include "dsdb/samdb/ldb_modules/util.h"
 
-struct it_context {
-	struct ldb_module *module;
-	struct ldb_request *req;
-	struct ldb_request *add_req;
-};
-
-static int it_add_callback(struct ldb_request *req, struct ldb_reply *ares)
-{
-	struct ldb_context *ldb;
-	struct it_context *ac;
-
-	ac = talloc_get_type(req->context, struct it_context);
-	ldb = ldb_module_get_ctx(ac->module);
-
-	if (!ares) {
-		return ldb_module_done(ac->req, NULL, NULL,
-					LDB_ERR_OPERATIONS_ERROR);
-	}
-
-	if (ares->type == LDB_REPLY_REFERRAL) {
-		return ldb_module_send_referral(ac->req, ares->referral);
-	}
-
-	if (ares->error != LDB_SUCCESS) {
-		return ldb_module_done(ac->req, ares->controls,
-					ares->response, ares->error);
-	}
-
-	if (ares->type != LDB_REPLY_DONE) {
-		ldb_set_errstring(ldb, "Invalid reply type!");
-		return ldb_module_done(ac->req, NULL, NULL,
-					LDB_ERR_OPERATIONS_ERROR);
-	}
-
-	/* Add the boilerplate entries */
-
-	return ldb_module_done(ac->req, ares->controls,
-			       ares->response, ares->error);
-}
-
 /* add_record: add instancetype attribute */
 static int instancetype_add(struct ldb_module *module, struct ldb_request *req)
 {
-	struct ldb_context *ldb;
+	struct ldb_context *ldb = ldb_module_get_ctx(module);
 	struct ldb_request *down_req;
 	struct ldb_message *msg;
 	struct ldb_message_element *el;
-	struct it_context *ac;
 	uint32_t instanceType;
 	int ret;
 
-	ldb = ldb_module_get_ctx(module);
-
-	ldb_debug(ldb, LDB_DEBUG_TRACE, "instancetype_add_record\n");
-
 	/* do not manipulate our control entries */
 	if (ldb_dn_is_special(req->op.add.message->dn)) {
 		return ldb_next_request(module, req);
 	}
 
+	ldb_debug(ldb, LDB_DEBUG_TRACE, "instancetype_add\n");
+
 	el = ldb_msg_find_element(req->op.add.message, "instanceType");
 	if (el != NULL) {
 		if (el->num_values != 1) {
@@ -108,7 +65,8 @@ static int instancetype_add(struct ldb_module *module, struct ldb_request *req)
 		instanceType = ldb_msg_find_attr_as_uint(req->op.add.message,
 							 "instanceType", 0);
 		if (!(instanceType & INSTANCE_TYPE_IS_NC_HEAD)) {
-			/* if we have no NC add operation (no TYPE_IS_NC_HEAD)
+			/*
+			 * If we have no NC add operation (no TYPE_IS_NC_HEAD)
 			 * then "instanceType" can only be "0" or "TYPE_WRITE".
 			 */
 			if ((instanceType != 0) &&
@@ -116,39 +74,19 @@ static int instancetype_add(struct ldb_module *module, struct ldb_request *req)
 				ldb_set_errstring(ldb, "instancetype: if TYPE_IS_NC_HEAD wasn't set, then only TYPE_WRITE or 0 are allowed!");
 				return LDB_ERR_UNWILLING_TO_PERFORM;
 			}
-
-			return ldb_next_request(module, req);		
-		}
-
-		/* if we have a NC add operation then we need also the
-		 * "TYPE_WRITE" flag in order to succeed. */
-		if (!(instanceType & INSTANCE_TYPE_WRITE)) {
-			ldb_set_errstring(ldb, "instancetype: if TYPE_IS_NC_HEAD was set, then also TYPE_WRITE is requested!");
-			return LDB_ERR_UNWILLING_TO_PERFORM;
+		} else {
+			/*
+			 * If we have a NC add operation then we need also the
+			 * "TYPE_WRITE" flag in order to succeed.
+			*/
+			if (!(instanceType & INSTANCE_TYPE_WRITE)) {
+				ldb_set_errstring(ldb, "instancetype: if TYPE_IS_NC_HEAD was set, then also TYPE_WRITE is requested!");
+				return LDB_ERR_UNWILLING_TO_PERFORM;
+			}
 		}
 
-		/* Forward the 'add' to the modules below, but if it
-		 * succeeds, then we might need to add the boilerplate
-		 * entries (lost+found, deleted objects) */
-		ac = talloc(req, struct it_context);
-		if (ac == NULL) {
-			return ldb_oom(ldb);
-		}
-		ac->module = module;
-		ac->req = req;
-		
-		ret = ldb_build_add_req(&ac->add_req, ldb, ac,
-					ac->req->op.add.message,
-					ac->req->controls,
-					ac, it_add_callback,
-					ac->req);
-		LDB_REQ_SET_LOCATION(ac->add_req);
-		if (ret != LDB_SUCCESS) {
-			return ret;
-		}
-		
-		/* Do the original add */
-		return ldb_next_request(ac->module, ac->add_req);
+		/* we did only tests, so proceed with the original request */
+		return ldb_next_request(module, req);
 	}
 
 	/* we have to copy the message as the caller might have it as a const */
-- 
cgit