From 34049454dfaf5132d9b258ef4d04921befc8997b Mon Sep 17 00:00:00 2001 From: David Cermak Date: Fri, 19 Feb 2021 16:44:08 +0100 Subject: [PATCH] mdns: Fix parsing answers with questions when instance name not set mdns resolver didn't correctly resolved queries when host name wasn't assigned. Fixed by allowing processing also if some answer present (non-strict mode) Closes https://github.com/espressif/esp-idf/issues/6598 --- components/mdns/mdns.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/components/mdns/mdns.c b/components/mdns/mdns.c index ebf2c63c55..6d47084314 100644 --- a/components/mdns/mdns.c +++ b/components/mdns/mdns.c @@ -2679,7 +2679,7 @@ void mdns_parse_packet(mdns_rx_packet_t * packet) } //if we have not set the hostname, we can not answer questions - if (header.questions && _str_null_or_empty(_mdns_server->hostname)) { + if (header.questions && !header.answers && _str_null_or_empty(_mdns_server->hostname)) { free(parsed_packet); return; }