diff --git a/components/mdns/Kconfig b/components/mdns/Kconfig index 72800aaa2a..38dec76287 100644 --- a/components/mdns/Kconfig +++ b/components/mdns/Kconfig @@ -56,6 +56,17 @@ menu "mDNS" Configures timeout for adding a new mDNS service. Adding a service fails if could not be completed within this time. + config MDNS_STRICT_MODE + bool "mDNS strict mode" + default "n" + help + Configures strict mode. Set this to 1 for the mDNS library to strictly follow the RFC6762: + Currently the only strict feature: Do not repeat original questions in response packets + (defined in RFC6762 sec. 6). + Default configuration is 0, i.e. non-strict mode, since some implementations, + such as lwIP mdns resolver (used by standard POSIX API like getaddrinfo, gethostbyname) + could not correctly resolve advertised names. + config MDNS_TIMER_PERIOD_MS int "mDNS timer period (ms)" range 10 10000 diff --git a/components/mdns/private_include/mdns_private.h b/components/mdns/private_include/mdns_private.h index 60dfeb4ee5..9ed0dcfbd1 100644 --- a/components/mdns/private_include/mdns_private.h +++ b/components/mdns/private_include/mdns_private.h @@ -32,7 +32,11 @@ * such as lwIP mdns resolver (used by standard POSIX API like getaddrinfo, gethostbyname) * could not correctly resolve advertised names. */ +#ifndef CONFIG_MDNS_STRICT_MODE #define MDNS_STRICT_MODE 0 +#else +#define MDNS_STRICT_MODE 1 +#endif #if !MDNS_STRICT_MODE /* mDNS responders sometimes repeat queries in responses