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fix(mdns): fix mdns answer append while host is invalid

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zwx
2024-03-11 20:26:38 +08:00
parent b5be844c92
commit 7be16bcc88
1 changed files with 14 additions and 0 deletions
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14
components/mdns/mdns.c
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@ -1350,6 +1350,20 @@ static uint8_t _mdns_append_service_ptr_answers(uint8_t *packet, uint16_t *index
*/ */
static uint8_t _mdns_append_answer(uint8_t *packet, uint16_t *index, mdns_out_answer_t *answer, mdns_if_t tcpip_if) static uint8_t _mdns_append_answer(uint8_t *packet, uint16_t *index, mdns_out_answer_t *answer, mdns_if_t tcpip_if)
{ {
if (answer->host) {
bool is_host_valid = (&_mdns_self_host == answer->host);
mdns_host_item_t *target_host = _mdns_host_list;
while (target_host && !is_host_valid) {
if (target_host == answer->host) {
is_host_valid = true;
}
target_host = target_host->next;
}
if (!is_host_valid) {
return 0;
}
}
if (answer->type == MDNS_TYPE_PTR) { if (answer->type == MDNS_TYPE_PTR) {
if (answer->service) { if (answer->service) {
return _mdns_append_service_ptr_answers(packet, index, answer->service, answer->flush, answer->bye); return _mdns_append_service_ptr_answers(packet, index, answer->service, answer->flush, answer->bye);