From fef8823fc08fbf37334928db27bbdff5b1b4d158 Mon Sep 17 00:00:00 2001
From: Aki Tuomi <aki.tuomi@open-xchange.com>
Date: Thu, 11 Sep 2025 10:51:51 +0300
Subject: [PATCH] plugins/acl: doveadm acl - Fix crash if ACLs not enabled

Ensure ACLs are actually enabled when opening mailbox.
Fixes Panic: Module context acl_storage_module missing
---
 src/plugins/acl/doveadm-acl.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/src/plugins/acl/doveadm-acl.c b/src/plugins/acl/doveadm-acl.c
index a99aad722a..1c7ff5f4d0 100644
--- a/src/plugins/acl/doveadm-acl.c
+++ b/src/plugins/acl/doveadm-acl.c
@@ -49,6 +49,16 @@ cmd_acl_mailbox_open(struct doveadm_mail_cmd_context *ctx,
 		mailbox_free(&box);
 		return -1;
 	}
+
+	/* check that ACLs are enabled */
+	struct acl_mailbox *abox = ACL_CONTEXT(box);
+	if (abox == NULL) {
+		e_error(box->event, "ACL not enabled for %s", user->username);
+		doveadm_mail_failed_error(ctx, MAIL_ERROR_NOTFOUND);
+                mailbox_free(&box);
+		return -1;
+	}
+
 	*box_r = box;
 	return 0;
 }
-- 
2.47.3