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mdns: fix wrong service hostname after mangling

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* Original commit: espressif/esp-idf@439b31d065
This commit is contained in:
Jiacheng Guo
2021-04-30 17:22:14 +08:00
committed by suren-gabrielyan-espressif
parent 121b525108
commit 9fa25ef3b6
1 changed files with 21 additions and 0 deletions
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21
components/mdns/mdns.c
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@ -47,6 +47,7 @@ static void _mdns_search_result_add_txt(mdns_search_once_t * search, mdns_txt_it
static mdns_result_t * _mdns_search_result_add_ptr(mdns_search_once_t * search, const char * instance, mdns_if_t tcpip_if, mdns_ip_protocol_t ip_protocol);
static bool _mdns_append_host_list_in_services(mdns_out_answer_t ** destination, mdns_srv_item_t * services[], size_t services_len, bool flush, bool bye);
static bool _mdns_append_host_list(mdns_out_answer_t ** destination, bool flush, bool bye);
static void _mdns_remap_self_service_hostname(const char *old_hostname, const char *new_hostname);
/*
* @brief Internal collection of mdns supported interfaces
@ -3227,8 +3228,10 @@ void mdns_parse_packet(mdns_rx_packet_t * packet)
} else {
char * new_host = _mdns_mangle_name((char *)_mdns_server->hostname);
if (new_host) {
_mdns_remap_self_service_hostname(_mdns_server->hostname, new_host);
free((char *)_mdns_server->hostname);
_mdns_server->hostname = new_host;
_mdns_self_host.hostname = new_host;
}
_mdns_restart_all_pcbs();
}
@ -3333,8 +3336,10 @@ void mdns_parse_packet(mdns_rx_packet_t * packet)
_mdns_server->interfaces[packet->tcpip_if].pcbs[packet->ip_protocol].failed_probes++;
char * new_host = _mdns_mangle_name((char *)_mdns_server->hostname);
if (new_host) {
_mdns_remap_self_service_hostname(_mdns_server->hostname, new_host);
free((char *)_mdns_server->hostname);
_mdns_server->hostname = new_host;
_mdns_self_host.hostname = new_host;
}
_mdns_restart_all_pcbs();
}
@ -3381,8 +3386,10 @@ void mdns_parse_packet(mdns_rx_packet_t * packet)
_mdns_server->interfaces[packet->tcpip_if].pcbs[packet->ip_protocol].failed_probes++;
char * new_host = _mdns_mangle_name((char *)_mdns_server->hostname);
if (new_host) {
_mdns_remap_self_service_hostname(_mdns_server->hostname, new_host);
free((char *)_mdns_server->hostname);
_mdns_server->hostname = new_host;
_mdns_self_host.hostname = new_host;
}
_mdns_restart_all_pcbs();
}
@ -4087,6 +4094,19 @@ static void _mdns_tx_handle_packet(mdns_tx_packet_t * p)
}
}
static void _mdns_remap_self_service_hostname(const char * old_hostname, const char * new_hostname)
{
mdns_srv_item_t * service = _mdns_server->services;
while (service) {
if (strcmp(service->service->hostname, old_hostname) == 0) {
free((char *)service->service->hostname);
service->service->hostname = strdup(new_hostname);
}
service = service->next;
}
}
/**
* @brief Free action data
*/
@ -4154,6 +4174,7 @@ static void _mdns_execute_action(mdns_action_t * action)
break;
case ACTION_HOSTNAME_SET:
_mdns_send_bye_all_pcbs_no_instance(true);
_mdns_remap_self_service_hostname(_mdns_server->hostname, action->data.hostname_set.hostname);
free((char*)_mdns_server->hostname);
_mdns_server->hostname = action->data.hostname_set.hostname;
_mdns_self_host.hostname = action->data.hostname_set.hostname;