Fixed some major bugs in inheritance and access checks.

Fixed sd creation not working on LDAP modify.
Fixed incorrect replacement of CO and CG.
Fixed incorrect access check on modify for SD modification.
Fixed failing sec_descriptor test and enabled it.
Fixed failing sd add test in ldap.python

1 files changed, 16 insertions, 13 deletions

diff --git a/source4/libcli/security/create_descriptor.c b/source4/libcli/security/create_descriptor.c
index 82433fc02d..d5bc7cba40 100644
--- a/source4/libcli/security/create_descriptor.c
+++ b/source4/libcli/security/create_descriptor.c
@@ -145,10 +145,8 @@ static bool postprocess_acl(struct security_acl *acl,
 	}
 	co = dom_sid_parse_talloc(tmp_ctx,  SID_CREATOR_OWNER);
 	cg = dom_sid_parse_talloc(tmp_ctx,  SID_CREATOR_GROUP);
-	for (i=0; i < acl->num_aces; i++){
+	for (i=0; i < acl->num_aces; i++) {
 		struct security_ace *ace = &acl->aces[i];
-		if (!(ace->flags == 0 || ace->flags & SEC_ACE_FLAG_INHERITED_ACE))
-			continue;
 		if (ace->flags & SEC_ACE_FLAG_INHERIT_ONLY)
 			continue;
 		if (dom_sid_equal(&ace->trustee, co)){
@@ -187,7 +185,7 @@ static struct security_acl *calculate_inherited_from_parent(TALLOC_CTX *mem_ctx,
 	for (i=0; i < acl->num_aces; i++){
 		struct security_ace *ace = &acl->aces[i];
 		if ((ace->flags & SEC_ACE_FLAG_CONTAINER_INHERIT) ||
-		    (ace->flags & SEC_ACE_FLAG_OBJECT_INHERIT)){
+		    (ace->flags & SEC_ACE_FLAG_OBJECT_INHERIT)) {
 			tmp_acl->aces = talloc_realloc(tmp_acl, tmp_acl->aces, struct security_ace,
 						       tmp_acl->num_aces+1);
 			if (tmp_acl->aces == NULL) {
@@ -212,7 +210,7 @@ static struct security_acl *calculate_inherited_from_parent(TALLOC_CTX *mem_ctx,
 		}
 	}
 
-	if (is_container){
+	if (is_container) {
 		for (i=0; i < acl->num_aces; i++){
 			struct security_ace *ace = &acl->aces[i];
 
@@ -230,13 +228,13 @@ static struct security_acl *calculate_inherited_from_parent(TALLOC_CTX *mem_ctx,
 					return NULL;
 				}
 				inh_acl->aces[inh_acl->num_aces] = *ace;
-				inh_acl->aces[inh_acl->num_aces].flags |= SEC_ACE_FLAG_INHERIT_ONLY;
+				inh_acl->aces[inh_acl->num_aces].flags &= ~SEC_ACE_FLAG_INHERIT_ONLY;
 				inh_acl->aces[inh_acl->num_aces].flags |= SEC_ACE_FLAG_INHERITED_ACE;
 				inh_acl->num_aces++;
 			}
 		}
 	}
-	new_acl = security_acl_concatenate(mem_ctx,tmp_acl, inh_acl);
+	new_acl = security_acl_concatenate(mem_ctx, inh_acl, tmp_acl);
 	if (new_acl)
 		new_acl->revision = acl->revision;
 	talloc_free(tmp_ctx);
@@ -360,6 +358,12 @@ static bool compute_acl(int acl_type,
 						       object_list);
 			if (*new_acl == NULL)
 				goto final;
+			if (acl_type == SEC_DESC_DACL_PRESENT && new_sd->dacl)
+				new_sd->type |= SEC_DESC_DACL_AUTO_INHERITED;
+
+			if (acl_type == SEC_DESC_SACL_PRESENT && new_sd->sacl)
+				new_sd->type |= SEC_DESC_SACL_AUTO_INHERITED;
+
 			if (!postprocess_acl(*new_acl, new_sd->owner_sid,
 					     new_sd->group_sid, generic_map))
 				return false;
@@ -370,7 +374,7 @@ static bool compute_acl(int acl_type,
 			}
 		}
 		if (c_acl && !(inherit_flags & SEC_DEFAULT_DESCRIPTOR)){
-			struct security_acl *pr_acl, *tmp_acl, *tpr_acl;
+			struct security_acl *pr_acl = NULL, *tmp_acl = NULL, *tpr_acl = NULL;
 			tpr_acl = preprocess_creator_acl(new_sd, c_acl);
 			tmp_acl = calculate_inherited_from_creator(new_sd,
 						      tpr_acl,
@@ -380,27 +384,26 @@ static bool compute_acl(int acl_type,
 			cr_descr_log_acl(tmp_acl, __location__"Inherited from creator", level);
 			/* Todo some refactoring here! */
 			if (acl_type == SEC_DESC_DACL_PRESENT &&
-			    !(creator_sd->type & SECINFO_PROTECTED_DACL) &&
-			    (inherit_flags & SEC_DACL_AUTO_INHERIT)){
+			    !(creator_sd->type & SEC_DESC_DACL_PROTECTED) &&
+			    (inherit_flags & SEC_DACL_AUTO_INHERIT)) {
 				pr_acl = calculate_inherited_from_parent(new_sd,
 							     p_acl,
 							     is_container,
 							     object_list);
 				cr_descr_log_acl(pr_acl, __location__"Inherited from parent", level);
-				*new_acl = security_acl_concatenate(new_sd, tmp_acl, pr_acl);
 				new_sd->type |= SEC_DESC_DACL_AUTO_INHERITED;
 			}
 			else if (acl_type == SEC_DESC_SACL_PRESENT &&
-			    !(creator_sd->type & SECINFO_PROTECTED_SACL) &&
+			    !(creator_sd->type & SEC_DESC_SACL_PROTECTED) &&
 			    (inherit_flags & SEC_SACL_AUTO_INHERIT)){
 				pr_acl = calculate_inherited_from_parent(new_sd,
 							     p_acl,
 							     is_container,
 							     object_list);
 				cr_descr_log_acl(pr_acl, __location__"Inherited from parent", level);
-				*new_acl = security_acl_concatenate(new_sd, tmp_acl, pr_acl);
 				new_sd->type |= SEC_DESC_SACL_AUTO_INHERITED;
 			}
+			*new_acl = security_acl_concatenate(new_sd, tmp_acl, pr_acl);
 		}
 		if (*new_acl == NULL)
 			goto final;