From: Aki Tuomi <aki.tuomi@open-xchange.com>
Date: Fri, 25 Nov 2022 13:06:27 +0000 (+0200)
Subject: lib-dns: Assign client to context
X-Git-Tag: 2.4.0~3375
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=09b5e715ada13e18c2aa6dfc07de87b5908e711f;p=thirdparty%2Fdovecot%2Fcore.git

lib-dns: Assign client to context

Fixes signal 11 crash when background cache refresh fails, forgotten in
47f44374201e83ade6204bb237b163fbd066134a
---

diff --git a/src/lib-dns/dns-lookup.c b/src/lib-dns/dns-lookup.c
index 393015f212..09504fb3e4 100644
--- a/src/lib-dns/dns-lookup.c
+++ b/src/lib-dns/dns-lookup.c
@@ -170,6 +170,7 @@ static void dns_client_cache_entry_refresh(struct dns_client *client,
 			i_unreached();
 		ctx = i_new(struct dns_cache_lookup, 1);
 		ctx->key = i_strdup(entry->cache_key);
+		ctx->client = client;
 		if (dns_client_lookup_ptr(client, &ip, client->conn.event,
 					  dns_client_cache_callback,
 					  ctx, &lookup) < 0) {
@@ -185,6 +186,7 @@ static void dns_client_cache_entry_refresh(struct dns_client *client,
 	} else if (*entry->cache_key == 'N') {
 		ctx = i_new(struct dns_cache_lookup, 1);
 		ctx->key = i_strdup(entry->cache_key);
+		ctx->client = client;
 		if (dns_client_lookup(client, entry->cache_key + 1,
 				      client->conn.event,
 				      dns_client_cache_callback,