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List:       samba-technical
Subject:    Re: Unable to add posixAccount objectclass to AD user
From:       brendan powers <brendan0powers () gmail ! com>
Date:       2009-12-07 23:37:25
Message-ID: c547abb70912071537j4fc41dcatfdddcff17dd9ed28 () mail ! gmail ! com
[Download RAW message or body]

Here are the patches we discussed.

["0001-check-for-NULL-src-in-strlower_talloc.patch" (application/octet-stream)]

From 61dab3cf423dea1d39effc2b2b6c398b6e37012a Mon Sep 17 00:00:00 2001
From: root <root@localhost.localdomain>
Date: Mon, 7 Dec 2009 18:18:47 -0500
Subject: [PATCH] check for NULL src in strlower_talloc

---
 lib/util/charset/util_unistr.c |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/lib/util/charset/util_unistr.c b/lib/util/charset/util_unistr.c
index 045aa4a..f820726 100644
--- a/lib/util/charset/util_unistr.c
+++ b/lib/util/charset/util_unistr.c
@@ -430,6 +430,10 @@ _PUBLIC_ char *strlower_talloc(TALLOC_CTX *ctx, const char *src)
 	char *dest;
 	struct smb_iconv_convenience *iconv_convenience = get_iconv_convenience();
 
+	if(src == NULL) {
+		return NULL;
+	}
+
 	/* this takes advantage of the fact that upper/lower can't
 	   change the length of a character by more than 1 byte */
 	dest = talloc_array(ctx, char, 2*(strlen(src))+1);
-- 
1.5.4.3


["0002-check-if-an-attribute-exists-before-debugging-it.patch" (application/octet-stream)]

From 9b8737657221b99b64e05b00eef8584db2cac8e0 Mon Sep 17 00:00:00 2001
From: root <root@localhost.localdomain>
Date: Mon, 7 Dec 2009 18:19:31 -0500
Subject: [PATCH] check if an attribute exists before debugging it

---
 source4/dsdb/samdb/ldb_modules/acl.c |    6 +++++-
 1 files changed, 5 insertions(+), 1 deletions(-)

diff --git a/source4/dsdb/samdb/ldb_modules/acl.c b/source4/dsdb/samdb/ldb_modules/acl.c
index 13e71e5..f646df5 100644
--- a/source4/dsdb/samdb/ldb_modules/acl.c
+++ b/source4/dsdb/samdb/ldb_modules/acl.c
@@ -272,7 +272,11 @@ static int acl_modify(struct ldb_module *module, struct ldb_request *req)
 		NULL
 	};
 
-	DEBUG(10, ("ldb:acl_modify: %s\n", req->op.mod.message->elements[0].name));
+	/* Don't print this debug statement if elements[0].name is going to be NULL */
+	if(req->op.mod.message->num_elements > 0)
+	{
+		DEBUG(10, ("ldb:acl_modify: %s\n", req->op.mod.message->elements[0].name));
+	}
 	if (what_is_user(module) == SECURITY_SYSTEM) {
 		return ldb_next_request(module, req);
 	}
-- 
1.5.4.3


["0003-make-sure-samAccountName-exists-when-adding-updating.patch" (application/octet-stream)]

From 609a8d8bea6dfc342ea272f2045d453aef2a5601 Mon Sep 17 00:00:00 2001
From: root <root@localhost.localdomain>
Date: Mon, 7 Dec 2009 18:20:05 -0500
Subject: [PATCH] make sure samAccountName exists when adding/updating an account

---
 source4/dsdb/samdb/ldb_modules/password_hash.c |    7 +++++++
 1 files changed, 7 insertions(+), 0 deletions(-)

diff --git a/source4/dsdb/samdb/ldb_modules/password_hash.c \
b/source4/dsdb/samdb/ldb_modules/password_hash.c index 8791db2..45ec34a 100644
--- a/source4/dsdb/samdb/ldb_modules/password_hash.c
+++ b/source4/dsdb/samdb/ldb_modules/password_hash.c
@@ -1491,6 +1491,13 @@ static int setup_io(struct ph_context *ac,
 
 	io->n.lm_hash			= samdb_result_hash(io->ac, new_msg, "dBCSPwd");
 
+	if(io->u.sAMAccountName == NULL)
+	{
+		ldb_asprintf_errstring(ldb, "samAccountName is missing on %s for attempted \
password set/change",  +			ldb_dn_get_linearized(new_msg->dn));
+		return(LDB_ERR_CONSTRAINT_VIOLATION);
+	}
+
 	return LDB_SUCCESS;
 }
 
-- 
1.5.4.3


["0004-move-get_last_structural_class-to-util.c.patch" (application/octet-stream)]

From 08644a220e37c6dbcaf17e9b9d055cb05aae31af Mon Sep 17 00:00:00 2001
From: root <root@localhost.localdomain>
Date: Mon, 7 Dec 2009 18:21:05 -0500
Subject: [PATCH] move get_last_structural_class to util.c
 make get_last_structural_class ignore auxiliary classes

---
 source4/dsdb/samdb/ldb_modules/descriptor.c |   17 +----------------
 source4/dsdb/samdb/ldb_modules/util.c       |   18 ++++++++++++++++++
 source4/dsdb/samdb/ldb_modules/util.h       |    1 +
 3 files changed, 20 insertions(+), 16 deletions(-)

diff --git a/source4/dsdb/samdb/ldb_modules/descriptor.c \
b/source4/dsdb/samdb/ldb_modules/descriptor.c index da80ee5..8ea6042 100644
--- a/source4/dsdb/samdb/ldb_modules/descriptor.c
+++ b/source4/dsdb/samdb/ldb_modules/descriptor.c
@@ -41,6 +41,7 @@
 #include "libcli/security/security.h"
 #include "auth/auth.h"
 #include "param/param.h"
+#include "util.h"
 
 struct descriptor_data {
 	int _dummy;
@@ -56,22 +57,6 @@ struct descriptor_context {
 	int (*step_fn)(struct descriptor_context *);
 };
 
-static const struct dsdb_class * get_last_structural_class(const struct dsdb_schema \
                *schema, struct ldb_message_element *element)
-{
-	const struct dsdb_class *last_class = NULL;
-	int i;
-	for (i = 0; i < element->num_values; i++){
-		if (!last_class) {
-			last_class = dsdb_class_by_lDAPDisplayName_ldb_val(schema, &element->values[i]);
-		} else {
-			const struct dsdb_class *tmp_class = \
                dsdb_class_by_lDAPDisplayName_ldb_val(schema, &element->values[i]);
-			if (tmp_class->subClass_order > last_class->subClass_order)
-				last_class = tmp_class;
-		}
-	}
-	return last_class;
-}
-
 struct dom_sid *get_default_ag(TALLOC_CTX *mem_ctx,
 			       struct ldb_dn *dn,
 			       struct security_token *token,
diff --git a/source4/dsdb/samdb/ldb_modules/util.c \
b/source4/dsdb/samdb/ldb_modules/util.c index b0f22de..3fc2993 100644
--- a/source4/dsdb/samdb/ldb_modules/util.c
+++ b/source4/dsdb/samdb/ldb_modules/util.c
@@ -24,6 +24,7 @@
 #include "ldb_module.h"
 #include "dsdb/samdb/ldb_modules/util.h"
 #include "dsdb/samdb/samdb.h"
+#include "util.h"
 
 int dsdb_module_search_handle_flags(struct ldb_module *module, struct ldb_request \
*req, int dsdb_flags)   {
@@ -198,3 +199,20 @@ int dsdb_module_search(struct ldb_module *module,
 	return ret;
 }
 
+const struct dsdb_class * get_last_structural_class(const struct dsdb_schema \
*schema,const struct ldb_message_element *element) +{
+	const struct dsdb_class *last_class = NULL;
+	int i;
+	for (i = 0; i < element->num_values; i++){
+		const struct dsdb_class *tmp_class = dsdb_class_by_lDAPDisplayName_ldb_val(schema, \
&element->values[i]); +		if(tmp_class->objectClassCategory == 3) continue;
+		if (!last_class) {
+			last_class = tmp_class;
+		} else {
+			if (tmp_class->subClass_order > last_class->subClass_order)
+				last_class = tmp_class;
+		}
+	}
+
+	return last_class;
+}
diff --git a/source4/dsdb/samdb/ldb_modules/util.h \
b/source4/dsdb/samdb/ldb_modules/util.h index b612c64..230f997 100644
--- a/source4/dsdb/samdb/ldb_modules/util.h
+++ b/source4/dsdb/samdb/ldb_modules/util.h
@@ -19,6 +19,7 @@
    along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 
+struct dsdb_schema; /* predeclare schema struct */
 #include "dsdb/samdb/ldb_modules/util_proto.h"
 
 #define DSDB_SEARCH_SEARCH_ALL_PARTITIONS     0x0001
-- 
1.5.4.3


["0005-reimplement-objectclass_sort-to-use-ldb_qsort-to-sor.patch" (application/octet-stream)]

From ab4651aec5b6388ddf7aca732a08e5c5fa49fe92 Mon Sep 17 00:00:00 2001
From: root <root@localhost.localdomain>
Date: Mon, 7 Dec 2009 18:21:45 -0500
Subject: [PATCH] reimplement objectclass_sort to use ldb_qsort to sort classes by \
importance  use get_last_structural_class to check validity instead of using the last \
class in the list

---
 source4/dsdb/samdb/ldb_modules/objectclass.c |  499 ++++++++------------------
 1 files changed, 159 insertions(+), 340 deletions(-)

diff --git a/source4/dsdb/samdb/ldb_modules/objectclass.c \
b/source4/dsdb/samdb/ldb_modules/objectclass.c index c47e360..e91f812 100644
--- a/source4/dsdb/samdb/ldb_modules/objectclass.c
+++ b/source4/dsdb/samdb/ldb_modules/objectclass.c
@@ -43,6 +43,7 @@
 #include "auth/auth.h"
 #include "param/param.h"
 #include "../libds/common/flags.h"
+#include "util.h"
 
 struct oc_context {
 
@@ -81,161 +82,28 @@ static struct oc_context *oc_init_context(struct ldb_module \
*module,  
 static int objectclass_do_add(struct oc_context *ac);
 
+/* this function does not check for errors. Inputs are expected to be verfied before \
this function is called */ +static int do_compare_objectclass(const struct ldb_val \
*obj1, +			  const struct ldb_val *obj2,
+			  void *opaque)
+{
+	const struct dsdb_schema *schema = opaque;
+	const struct dsdb_class *class1 = \
dsdb_class_by_lDAPDisplayName_ldb_val(schema,obj1); +	const struct dsdb_class *class2 \
= dsdb_class_by_lDAPDisplayName_ldb_val(schema,obj2); +
+	return(class1->subClass_order > class2->subClass_order);
+}
+
 /* Sort objectClasses into correct order, and validate that all
  * objectClasses specified actually exist in the schema
  */
-
 static int objectclass_sort(struct ldb_module *module,
 			    const struct dsdb_schema *schema,
 			    TALLOC_CTX *mem_ctx,
-			    struct ldb_message_element *objectclass_element,
-			    struct class_list **sorted_out) 
+			    struct ldb_message_element *objectclass_element) 
 {
-	struct ldb_context *ldb;
-	int i;
-	int layer;
-	struct class_list *sorted = NULL, *parent_class = NULL,
-		*subclass = NULL, *unsorted = NULL, *current, *poss_subclass, *poss_parent, \
                *new_parent;
-
-	ldb = ldb_module_get_ctx(module);
-
-	/* DESIGN:
-	 *
-	 * We work on 4 different 'bins' (implemented here as linked lists):
-	 *
-	 * * sorted:       the eventual list, in the order we wish to push
-	 *                 into the database.  This is the only ordered list.
-	 *
-	 * * parent_class: The current parent class 'bin' we are
-	 *                 trying to find subclasses for
-	 *
-	 * * subclass:     The subclasses we have found so far
-	 *
-	 * * unsorted:     The remaining objectClasses
-	 *
-	 * The process is a matter of filtering objectClasses up from
-	 * unsorted into sorted.  Order is irrelevent in the later 3 'bins'.
-	 * 
-	 * We start with 'top' (found and promoted to parent_class
-	 * initially).  Then we find (in unsorted) all the direct
-	 * subclasses of 'top'.  parent_classes is concatenated onto
-	 * the end of 'sorted', and subclass becomes the list in
-	 * parent_class.
-	 *
-	 * We then repeat, until we find no more subclasses.  Any left
-	 * over classes are added to the end.
-	 *
-	 */
-
-	/* Firstly, dump all the objectClass elements into the
-	 * unsorted bin, except for 'top', which is special */
-	for (i=0; i < objectclass_element->num_values; i++) {
-		current = talloc(mem_ctx, struct class_list);
-		if (!current) {
-			ldb_oom(ldb);
-			return LDB_ERR_OPERATIONS_ERROR;
-		}
-		current->objectclass = dsdb_class_by_lDAPDisplayName_ldb_val(schema, \
                &objectclass_element->values[i]);
-		if (!current->objectclass) {
-			ldb_asprintf_errstring(ldb, "objectclass %.*s is not a valid objectClass in \
                schema", 
-					       (int)objectclass_element->values[i].length, (const char \
                *)objectclass_element->values[i].data);
-			/* This looks weird, but windows apparently returns this for invalid objectClass \
                values */
-			return LDB_ERR_NO_SUCH_ATTRIBUTE;
-		} else if (current->objectclass->isDefunct) {
-			ldb_asprintf_errstring(ldb, "objectclass %.*s marked as isDefunct objectClass in \
                schema - not valid for new objects", 
-					       (int)objectclass_element->values[i].length, (const char \
                *)objectclass_element->values[i].data);
-			/* This looks weird, but windows apparently returns this for invalid objectClass \
                values */
-			return LDB_ERR_NO_SUCH_ATTRIBUTE;
-		}
-
-		/* this is the root of the tree.  We will start
-		 * looking for subclasses from here */
-		if (ldb_attr_cmp("top", current->objectclass->lDAPDisplayName) == 0) {
-			DLIST_ADD_END(parent_class, current, struct class_list *);
-		} else {
-			DLIST_ADD_END(unsorted, current, struct class_list *);
-		}
-	}
-
-	if (parent_class == NULL) {
-		current = talloc(mem_ctx, struct class_list);
-		current->objectclass = dsdb_class_by_lDAPDisplayName(schema, "top");
-		DLIST_ADD_END(parent_class, current, struct class_list *);
-	}
-
-	/* For each object:  find parent chain */
-	for (current = unsorted; schema && current; current = current->next) {
-		for (poss_parent = unsorted; poss_parent; poss_parent = poss_parent->next) {
-			if (ldb_attr_cmp(poss_parent->objectclass->lDAPDisplayName, \
                current->objectclass->subClassOf) == 0) {
-				break;
-			}
-		}
-		/* If we didn't get to the end of the list, we need to add this parent */
-		if (poss_parent || (ldb_attr_cmp("top", current->objectclass->subClassOf) == 0)) {
-			continue;
-		}
-
-		new_parent = talloc(mem_ctx, struct class_list);
-		new_parent->objectclass = dsdb_class_by_lDAPDisplayName(schema, \
                current->objectclass->subClassOf);
-		DLIST_ADD_END(unsorted, new_parent, struct class_list *);
-	}
-
-	/* DEBUGGING aid:  how many layers are we down now? */
-	layer = 0;
-	do {
-		layer++;
-		/* Find all the subclasses of classes in the
-		 * parent_classes.  Push them onto the subclass list */
-
-		/* Ensure we don't bother if there are no unsorted entries left */
-		for (current = parent_class; schema && unsorted && current; current = \
                current->next) {
-			/* Walk the list of possible subclasses in unsorted */
-			for (poss_subclass = unsorted; poss_subclass; ) {
-				struct class_list *next;
-				
-				/* Save the next pointer, as the DLIST_ macros will change poss_subclass->next \
                */
-				next = poss_subclass->next;
-
-				if (ldb_attr_cmp(poss_subclass->objectclass->subClassOf, \
                current->objectclass->lDAPDisplayName) == 0) {
-					DLIST_REMOVE(unsorted, poss_subclass);
-					DLIST_ADD(subclass, poss_subclass);
-					
-					break;
-				}
-				poss_subclass = next;
-			}
-		}
-
-		/* Now push the parent_classes as sorted, we are done with
-		these.  Add to the END of the list by concatenation */
-		DLIST_CONCATENATE(sorted, parent_class, struct class_list *);
-
-		/* and now find subclasses of these */
-		parent_class = subclass;
-		subclass = NULL;
-
-		/* If we didn't find any subclasses we will fall out
-		 * the bottom here */
-	} while (parent_class);
-
-	if (!unsorted) {
-		*sorted_out = sorted;
-		return LDB_SUCCESS;
-	}
-
-	if (!schema) {
-		/* If we don't have schema yet, then just merge the lists again */
-		DLIST_CONCATENATE(sorted, unsorted, struct class_list *);
-		*sorted_out = sorted;
-		return LDB_SUCCESS;
-	}
-
-	/* This shouldn't happen, and would break MMC, perhaps there
-	 * was no 'top', a conflict in the objectClasses or some other
-	 * schema error?
-	 */
-	ldb_asprintf_errstring(ldb, "objectclass %s is not a valid objectClass in \
                objectClass chain", unsorted->objectclass->lDAPDisplayName);
-	return LDB_ERR_OBJECT_CLASS_VIOLATION;
+	ldb_qsort(objectclass_element->values,objectclass_element->num_values,sizeof(struct \
ldb_val),discard_const_p(struct schema \
,schema),(ldb_qsort_cmp_fn_t)do_compare_objectclass); +	return LDB_SUCCESS;
 }
 
 static int get_search_callback(struct ldb_request *req, struct ldb_reply *ares)
@@ -469,8 +337,8 @@ static int objectclass_do_add(struct oc_context *ac)
 	struct ldb_message_element *objectclass_element;
 	struct ldb_message *msg;
 	TALLOC_CTX *mem_ctx;
-	struct class_list *sorted, *current;
-	int ret;
+	int ret, i;
+	const struct dsdb_class * structural, *objectclass;
 
 	ldb = ldb_module_get_ctx(ac->module);
 	schema = dsdb_get_schema(ldb);
@@ -487,7 +355,6 @@ static int objectclass_do_add(struct oc_context *ac)
 		if (ldb_dn_compare(ldb_get_root_basedn(ldb),
 								msg->dn) == 0) {
 			/* Allow the tree to be started */
-			
 			/* but don't keep any error string, it's meaningless */
 			ldb_set_errstring(ldb, NULL);
 		} else {
@@ -513,6 +380,10 @@ static int objectclass_do_add(struct oc_context *ac)
 
 	}
 	if (schema) {
+		struct ldb_message_element *el;
+		int32_t systemFlags = 0;
+		const char *rdn_name = ldb_dn_get_rdn_name(msg->dn);
+
 		ret = fix_check_attributes(ldb, schema, msg, ac->req->operation);
 		if (ret != LDB_SUCCESS) {
 			talloc_free(mem_ctx);
@@ -527,160 +398,145 @@ static int objectclass_do_add(struct oc_context *ac)
 			talloc_free(mem_ctx);
 			return LDB_ERR_OPERATIONS_ERROR;
 		}
-		ret = objectclass_sort(ac->module, schema, mem_ctx, objectclass_element, &sorted);
-		if (ret != LDB_SUCCESS) {
-			talloc_free(mem_ctx);
-			return ret;
+	
+	
+		/* Fix up the objectClass values to canonical case */
+		for (i=0; i < objectclass_element->num_values; i++) {	
+			objectclass = dsdb_class_by_lDAPDisplayName_ldb_val(schema,&objectclass_element->values[i]);
 +			if(objectclass == NULL) {
+				ldb_oom(ldb);
+				talloc_free(mem_ctx);
+				return LDB_ERR_OPERATIONS_ERROR;
+			}
+			objectclass_element->values[i] = \
data_blob_string_const(objectclass->lDAPDisplayName);  }
-		
-		ldb_msg_remove_attr(msg, "objectClass");
-		ret = ldb_msg_add_empty(msg, "objectClass", 0, NULL);
-		
+
+		ret = objectclass_sort(ac->module, schema, mem_ctx, objectclass_element);
 		if (ret != LDB_SUCCESS) {
 			talloc_free(mem_ctx);
 			return ret;
 		}
 
-		/* We must completely replace the existing objectClass entry,
-		 * because we need it sorted */
+		structural = get_last_structural_class(schema, objectclass_element);
 
-		/* Move from the linked list back into an ldb msg */
-		for (current = sorted; current; current = current->next) {
-			value = talloc_strdup(msg, current->objectclass->lDAPDisplayName);
-			if (value == NULL) {
-				ldb_oom(ldb);
-				talloc_free(mem_ctx);
-				return LDB_ERR_OPERATIONS_ERROR;
-			}
-			ret = ldb_msg_add_string(msg, "objectClass", value);
-			if (ret != LDB_SUCCESS) {
-				ldb_set_errstring(ldb,
-						  "objectclass: could not re-add sorted "
-						  "objectclass to modify msg");
-				talloc_free(mem_ctx);
-				return ret;
-			}
-			/* Last one is the critical one */
-			if (!current->next) {
-				struct ldb_message_element *el;
-				int32_t systemFlags = 0;
-				const char *rdn_name = ldb_dn_get_rdn_name(msg->dn);
-				if (current->objectclass->rDNAttID
-				    && ldb_attr_cmp(rdn_name, current->objectclass->rDNAttID) != 0) {
-					ldb_asprintf_errstring(ldb,
-							       "RDN %s is not correct for most specific structural objectclass %s, \
                should be %s",
-							       rdn_name, current->objectclass->lDAPDisplayName, \
                current->objectclass->rDNAttID);
-					return LDB_ERR_NAMING_VIOLATION;
-				}
+		/* Check the most structural class */		
+		if (structural->rDNAttID
+			&& ldb_attr_cmp(rdn_name, structural->rDNAttID) != 0) {
+			ldb_asprintf_errstring(ldb,
+						"RDN %s is not correct for most specific structural objectclass %s, should be \
%s", +						rdn_name, structural->lDAPDisplayName, structural->rDNAttID);
+			return LDB_ERR_NAMING_VIOLATION;
+		}
 
-				if (ac->search_res && ac->search_res->message) {
-					struct ldb_message_element *oc_el
-						= ldb_msg_find_element(ac->search_res->message, "objectClass");
+		if (ac->search_res && ac->search_res->message) {
+			struct ldb_message_element *oc_el
+				= ldb_msg_find_element(ac->search_res->message, "objectClass");
 
-					bool allowed_class = false;
-					int i, j;
-					for (i=0; allowed_class == false && oc_el && i < oc_el->num_values; i++) {
-						const struct dsdb_class *sclass;
+			bool allowed_class = false;
+			int j;
+			for (i=0; allowed_class == false && oc_el && i < oc_el->num_values; i++) {
+				const struct dsdb_class *sclass;
 
-						sclass = dsdb_class_by_lDAPDisplayName_ldb_val(schema, &oc_el->values[i]);
-						if (!sclass) {
-							/* We don't know this class?  what is going on? */
-							continue;
-						}
-						if (ldb_request_get_control(ac->req, LDB_CONTROL_RELAX_OID)) {
-							for (j=0; sclass->systemPossibleInferiors && \
                sclass->systemPossibleInferiors[j]; j++) {
-								if (ldb_attr_cmp(current->objectclass->lDAPDisplayName, \
                sclass->systemPossibleInferiors[j]) == 0) {
-									allowed_class = true;
-									break;
-								}
-							}
-						} else {
-							for (j=0; sclass->systemPossibleInferiors && \
                sclass->systemPossibleInferiors[j]; j++) {
-								if (ldb_attr_cmp(current->objectclass->lDAPDisplayName, \
                sclass->systemPossibleInferiors[j]) == 0) {
-									allowed_class = true;
-									break;
-								}
-							}
+				sclass = dsdb_class_by_lDAPDisplayName_ldb_val(schema, &oc_el->values[i]);
+
+				if (!sclass) {
+					/* We don't know this class?  what is going on? */
+					continue;
+				}
+				if (!ldb_request_get_control(ac->req, LDB_CONTROL_RELAX_OID)) {
+					for (j=0; sclass->systemPossibleInferiors && \
sclass->systemPossibleInferiors[j]; j++) { +						if \
(ldb_attr_cmp(structural->lDAPDisplayName, sclass->systemPossibleInferiors[j]) == 0) \
{ +							allowed_class = true;
+							break;
 						}
 					}
-
-					if (!allowed_class) {
-						ldb_asprintf_errstring(ldb, "structural objectClass %s is not a valid child \
                class for %s",
-							       current->objectclass->lDAPDisplayName, \
                ldb_dn_get_linearized(ac->search_res->message->dn));
-						return LDB_ERR_NAMING_VIOLATION;
+				} else {
+					for (j=0; sclass->systemPossibleInferiors && \
sclass->systemPossibleInferiors[j]; j++) { +						if \
(ldb_attr_cmp(structural->lDAPDisplayName, sclass->systemPossibleInferiors[j]) == 0) \
{ +							allowed_class = true;
+							break;
+						}
 					}
 				}
+			}
 
-				if (current->objectclass->systemOnly && !ldb_request_get_control(ac->req, \
                LDB_CONTROL_RELAX_OID)) {
-					ldb_asprintf_errstring(ldb, "objectClass %s is systemOnly, rejecting creation \
                of %s",
-							       current->objectclass->lDAPDisplayName, \
                ldb_dn_get_linearized(msg->dn));
-					return LDB_ERR_UNWILLING_TO_PERFORM;
-				}
+			if (!allowed_class) {
+				ldb_asprintf_errstring(ldb, "structural objectClass %s is not a valid child \
class for %s", +						structural->lDAPDisplayName, \
ldb_dn_get_linearized(ac->search_res->message->dn));  
-				if (!ldb_msg_find_element(msg, "objectCategory")) {
-					struct dsdb_extended_dn_store_format *dn_format = \
talloc_get_type(ldb_module_get_private(ac->module), struct \
                dsdb_extended_dn_store_format);
-					if (dn_format && dn_format->store_extended_dn_in_ldb == false) {
-						/* Strip off extended components */
-						struct ldb_dn *dn = ldb_dn_new(msg, ldb, \
                current->objectclass->defaultObjectCategory);
-						value = ldb_dn_alloc_linearized(msg, dn);
-						talloc_free(dn);
-					} else {
-						value = talloc_strdup(msg, current->objectclass->defaultObjectCategory);
-					}
-					if (value == NULL) {
-						ldb_oom(ldb);
-						talloc_free(mem_ctx);
-						return LDB_ERR_OPERATIONS_ERROR;
-					}
-					ldb_msg_add_string(msg, "objectCategory", value);
-				}
-				if (!ldb_msg_find_element(msg, "showInAdvancedViewOnly") && \
                (current->objectclass->defaultHidingValue == true)) {
-					ldb_msg_add_string(msg, "showInAdvancedViewOnly",
-							   "TRUE");
-				}
+				return LDB_ERR_NAMING_VIOLATION;
+			}
+		}
 
-				/* There are very special rules for systemFlags, see MS-ADTS 3.1.1.5.2.4 */
-				el = ldb_msg_find_element(msg, "systemFlags");
+		if (structural->systemOnly && !ldb_request_get_control(ac->req, \
LDB_CONTROL_RELAX_OID)) { +			ldb_asprintf_errstring(ldb, "objectClass %s is \
systemOnly, rejecting creation of %s", +						structural->lDAPDisplayName, \
ldb_dn_get_linearized(msg->dn)); +			return LDB_ERR_UNWILLING_TO_PERFORM;
+		}
 
-				systemFlags = ldb_msg_find_attr_as_int(msg, "systemFlags", 0);
+		if (!ldb_msg_find_element(msg, "objectCategory")) {
+			struct dsdb_extended_dn_store_format *dn_format = \
talloc_get_type(ldb_module_get_private(ac->module), struct \
dsdb_extended_dn_store_format); +			if (dn_format && \
dn_format->store_extended_dn_in_ldb == false) { +				/* Strip off extended components \
*/ +				struct ldb_dn *dn = ldb_dn_new(msg, ldb, structural->defaultObjectCategory);
+				value = ldb_dn_alloc_linearized(msg, dn);
+				talloc_free(dn);
+			} else {
+				value = talloc_strdup(msg, structural->defaultObjectCategory);
+			}
+			if (value == NULL) {
+				ldb_oom(ldb);
+				talloc_free(mem_ctx);
+				return LDB_ERR_OPERATIONS_ERROR;
+			}
+			ldb_msg_add_string(msg, "objectCategory", value);
+		}
+		if (!ldb_msg_find_element(msg, "showInAdvancedViewOnly") && \
(structural->defaultHidingValue == true)) { +			ldb_msg_add_string(msg, \
"showInAdvancedViewOnly", +						"TRUE");
+		}
 
-				if (el) {
-					/* Only these flags may be set by a client, but we can't tell between a client \
                and our provision at this point */
-					/* systemFlags &= ( SYSTEM_FLAG_CONFIG_ALLOW_RENAME | \
                SYSTEM_FLAG_CONFIG_ALLOW_MOVE | SYSTEM_FLAG_CONFIG_LIMITED_MOVE); */
-					ldb_msg_remove_element(msg, el);
-				}
+		/* There are very special rules for systemFlags, see MS-ADTS 3.1.1.5.2.4 */
+		el = ldb_msg_find_element(msg, "systemFlags");
 
-				/* This flag is only allowed on attributeSchema objects */
-				if (ldb_attr_cmp(current->objectclass->lDAPDisplayName, "attributeSchema") == 0) \
                {
-					systemFlags &= ~SYSTEM_FLAG_ATTR_IS_RDN;
-				}
+		systemFlags = ldb_msg_find_attr_as_int(msg, "systemFlags", 0);
 
-				if (ldb_attr_cmp(current->objectclass->lDAPDisplayName, "server") == 0) {
-					systemFlags |= (int32_t)(SYSTEM_FLAG_DISALLOW_MOVE_ON_DELETE | \
                SYSTEM_FLAG_CONFIG_ALLOW_RENAME | \
                SYSTEM_FLAG_CONFIG_ALLOW_LIMITED_MOVE);
-				} else if (ldb_attr_cmp(current->objectclass->lDAPDisplayName, "site") == 0
-					   || ldb_attr_cmp(current->objectclass->lDAPDisplayName, "serverContainer") == \
                0
-					   || ldb_attr_cmp(current->objectclass->lDAPDisplayName, "ntDSDSA") == 0) {
-					systemFlags |= (int32_t)(SYSTEM_FLAG_DISALLOW_MOVE_ON_DELETE);
-
-				} else if (ldb_attr_cmp(current->objectclass->lDAPDisplayName, "siteLink") == 0
-					   || ldb_attr_cmp(current->objectclass->lDAPDisplayName, "siteLinkBridge") == \
                0
-					   || ldb_attr_cmp(current->objectclass->lDAPDisplayName, "nTDSConnection") == \
                0) {
-					systemFlags |= (int32_t)(SYSTEM_FLAG_CONFIG_ALLOW_RENAME);
-				}
+		if (el) {
+			/* Only these flags may be set by a client, but we can't tell between a client \
and our provision at this point */ +			/* systemFlags &= ( \
SYSTEM_FLAG_CONFIG_ALLOW_RENAME | SYSTEM_FLAG_CONFIG_ALLOW_MOVE | \
SYSTEM_FLAG_CONFIG_LIMITED_MOVE); */ +			ldb_msg_remove_element(msg, el);
+		}
 
-				/* TODO: If parent object is site or subnet, also add \
(SYSTEM_FLAG_CONFIG_ALLOW_RENAME) */ +		/* This flag is only allowed on \
attributeSchema objects */ +		if (ldb_attr_cmp(structural->lDAPDisplayName, \
"attributeSchema") == 0) { +			systemFlags &= ~SYSTEM_FLAG_ATTR_IS_RDN;
+		}
 
-				if (el || systemFlags != 0) {
-					samdb_msg_add_int(ldb, msg, msg, "systemFlags", systemFlags);
-				}
-			}
+		if (ldb_attr_cmp(structural->lDAPDisplayName, "server") == 0) {
+			systemFlags |= (int32_t)(SYSTEM_FLAG_DISALLOW_MOVE_ON_DELETE | \
SYSTEM_FLAG_CONFIG_ALLOW_RENAME | SYSTEM_FLAG_CONFIG_ALLOW_LIMITED_MOVE); +		} else \
if (ldb_attr_cmp(structural->lDAPDisplayName, "site") == 0 +				|| \
ldb_attr_cmp(structural->lDAPDisplayName, "serverContainer") == 0 +				|| \
ldb_attr_cmp(structural->lDAPDisplayName, "ntDSDSA") == 0) { +			systemFlags |= \
(int32_t)(SYSTEM_FLAG_DISALLOW_MOVE_ON_DELETE); +
+		} else if (ldb_attr_cmp(structural->lDAPDisplayName, "siteLink") == 0
+				|| ldb_attr_cmp(structural->lDAPDisplayName, "siteLinkBridge") == 0
+				|| ldb_attr_cmp(structural->lDAPDisplayName, "nTDSConnection") == 0) {
+			systemFlags |= (int32_t)(SYSTEM_FLAG_CONFIG_ALLOW_RENAME);
 		}
+
+		/* TODO: If parent object is site or subnet, also add \
(SYSTEM_FLAG_CONFIG_ALLOW_RENAME) */ +
+		if (el || systemFlags != 0) {
+			samdb_msg_add_int(ldb, msg, msg, "systemFlags", systemFlags);
+		}
+	
 	}
+	
 
 	talloc_free(mem_ctx);
 	ret = ldb_msg_sanity_check(ldb, msg);
 
-
 	if (ret != LDB_SUCCESS) {
 		return ret;
 	}
@@ -695,7 +551,7 @@ static int objectclass_do_add(struct oc_context *ac)
 	}
 
 	/* perform the add */
-	return ldb_next_request(ac->module, add_req);
+	ret ldb_next_request(ac->module, add_req);
 }
 
 static int oc_modify_callback(struct ldb_request *req,
@@ -708,12 +564,11 @@ static int objectclass_modify(struct ldb_module *module, struct \
ldb_request *req  struct ldb_message_element *objectclass_element;
 	struct ldb_message *msg;
 	const struct dsdb_schema *schema = dsdb_get_schema(ldb);
-	struct class_list *sorted, *current;
 	struct ldb_request *down_req;
 	struct oc_context *ac;
 	TALLOC_CTX *mem_ctx;
-	char *value;
-	int ret;
+	const struct dsdb_class *objectclass;
+	int ret, i;
 
 	ldb_debug(ldb, LDB_DEBUG_TRACE, "objectclass_modify\n");
 
@@ -794,43 +649,22 @@ static int objectclass_modify(struct ldb_module *module, struct \
ldb_request *req  return ret;
 		}
 
-		ret = objectclass_sort(module, schema, mem_ctx, objectclass_element, &sorted);
-		if (ret != LDB_SUCCESS) {
-			talloc_free(mem_ctx);
-			return ret;
-		}
-
-		/* We must completely replace the existing objectClass entry,
-		 * because we need it sorted */
-		
-		ldb_msg_remove_attr(msg, "objectClass");
-		ret = ldb_msg_add_empty(msg, "objectClass", LDB_FLAG_MOD_REPLACE, NULL);
-		
-		if (ret != LDB_SUCCESS) {
-			talloc_free(mem_ctx);
-			return ret;
-		}
 
-		/* Move from the linked list back into an ldb msg */
-		for (current = sorted; current; current = current->next) {
-			/* copy the value as this string is on the schema
-			 * context and we can't rely on it not changing
-			 * before the operation is over */
-			value = talloc_strdup(msg,
-					current->objectclass->lDAPDisplayName);
-			if (value == NULL) {
+		/* Fix up the objectClass values to canonical case */
+		for (i=0; i < objectclass_element->num_values; i++) {	
+			objectclass = dsdb_class_by_lDAPDisplayName_ldb_val(schema,&objectclass_element->values[i]);
 +			if(objectclass == NULL) {
 				ldb_oom(ldb);
 				talloc_free(mem_ctx);
 				return LDB_ERR_OPERATIONS_ERROR;
 			}
-			ret = ldb_msg_add_string(msg, "objectClass", value);
-			if (ret != LDB_SUCCESS) {
-				ldb_set_errstring(ldb,
-					"objectclass: could not re-add sorted "
-					"objectclass to modify msg");
-				talloc_free(mem_ctx);
-				return ret;
-			}
+			objectclass_element->values[i] = \
data_blob_string_const(objectclass->lDAPDisplayName); +		}
+
+		ret = objectclass_sort(module, schema, mem_ctx, objectclass_element);
+		if (ret != LDB_SUCCESS) {
+			talloc_free(mem_ctx);
+			return ret;
 		}
 		
 		talloc_free(mem_ctx);
@@ -934,12 +768,11 @@ static int objectclass_do_mod(struct oc_context *ac)
 	struct ldb_context *ldb;
 	const struct dsdb_schema *schema;
 	struct ldb_request *mod_req;
-	char *value;
 	struct ldb_message_element *objectclass_element;
 	struct ldb_message *msg;
 	TALLOC_CTX *mem_ctx;
-	struct class_list *sorted, *current;
-	int ret;
+	const struct dsdb_class *objectclass;
+	int ret, i;
 
 	ldb = ldb_module_get_ctx(ac->module);
 
@@ -974,35 +807,21 @@ static int objectclass_do_mod(struct oc_context *ac)
 	/* modify dn */
 	msg->dn = ac->req->op.mod.message->dn;
 
-	ret = objectclass_sort(ac->module, schema, mem_ctx, objectclass_element, &sorted);
-	if (ret != LDB_SUCCESS) {
-		return ret;
-	}
-
-	/* We must completely replace the existing objectClass entry.
-	 * We could do a constrained add/del, but we are meant to be
-	 * in a transaction... */
-
-	ret = ldb_msg_add_empty(msg, "objectClass", LDB_FLAG_MOD_REPLACE, NULL);
-	if (ret != LDB_SUCCESS) {
-		ldb_set_errstring(ldb, "objectclass: could not clear objectclass in modify msg");
-		talloc_free(mem_ctx);
-		return ret;
-	}
 	
-	/* Move from the linked list back into an ldb msg */
-	for (current = sorted; current; current = current->next) {
-		value = talloc_strdup(msg, current->objectclass->lDAPDisplayName);
-		if (value == NULL) {
+	/* Fix up the objectClass values to canonical case */
+	for (i=0; i < objectclass_element->num_values; i++) {	
+		objectclass = dsdb_class_by_lDAPDisplayName_ldb_val(schema,&objectclass_element->values[i]);
 +		if(objectclass == NULL) {
 			ldb_oom(ldb);
-			return LDB_ERR_OPERATIONS_ERROR;
-		}
-		ret = ldb_msg_add_string(msg, "objectClass", value);
-		if (ret != LDB_SUCCESS) {
-			ldb_set_errstring(ldb, "objectclass: could not re-add sorted objectclass to \
modify msg");  talloc_free(mem_ctx);
-			return ret;
+			return LDB_ERR_OPERATIONS_ERROR;
 		}
+		objectclass_element->values[i] = \
data_blob_string_const(objectclass->lDAPDisplayName); +	}
+
+	ret = objectclass_sort(ac->module, schema, mem_ctx, objectclass_element);
+	if (ret != LDB_SUCCESS) {
+		return ret;
 	}
 
 	ret = ldb_msg_sanity_check(ldb, msg);
-- 
1.5.4.3



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