From: Markus Valentin <markus.valentin@open-xchange.com>
Date: Tue, 1 Jun 2021 11:10:23 +0000 (+0200)
Subject: acl: If acl_ignore_namespace is set acl_backend can be NULL
X-Git-Tag: 2.3.15~4
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=84c6770d4370ec80c47fa144a1f9b36425b1cd41;p=thirdparty%2Fdovecot%2Fcore.git

acl: If acl_ignore_namespace is set acl_backend can be NULL

Allow an uninitialized acl backend when ignore_acls is set.
---

diff --git a/src/plugins/acl/acl-mailbox.c b/src/plugins/acl/acl-mailbox.c
index 57ff423483..7cc8775990 100644
--- a/src/plugins/acl/acl-mailbox.c
+++ b/src/plugins/acl/acl-mailbox.c
@@ -84,7 +84,8 @@ static void acl_mailbox_free(struct mailbox *box)
 {
 	struct acl_mailbox *abox = ACL_CONTEXT_REQUIRE(box);
 
-	acl_object_deinit(&abox->aclobj);
+	if (abox->aclobj != NULL)
+		acl_object_deinit(&abox->aclobj);
 	abox->module_ctx.super.free(box);
 }
 
@@ -622,8 +623,11 @@ void acl_mailbox_allocated(struct mailbox *box)
 	box->vlast = &abox->module_ctx.super;
 	/* aclobj can be used for setting ACLs, even when mailbox is opened
 	   with IGNORE_ACLS flag */
-	abox->aclobj = acl_object_init_from_name(alist->rights.backend,
+	if (alist->rights.backend != NULL)
+		abox->aclobj = acl_object_init_from_name(alist->rights.backend,
 						 mailbox_get_name(box));
+	else
+		i_assert(ignore_acls);
 
 	v->free = acl_mailbox_free;
 	if (!ignore_acls) {