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Merge branch 'bugfix/mdns-query-instance-filter' into 'master'

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mdns: filter instance name for ANY queries

See merge request espressif/esp-idf!16255
This commit is contained in:
Guo Jia Cheng
2021-12-20 10:38:19 +00:00
parent b886dc6998 5d0c47303d
commit 5fdbd40404
1 changed files with 7 additions and 0 deletions
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7
components/mdns/mdns.c
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@@ -1540,6 +1540,8 @@ static bool _mdns_service_match_ptr_question(const mdns_service_t *service, cons
if (!_mdns_service_match(service, question->service, question->proto, NULL)) { if (!_mdns_service_match(service, question->service, question->proto, NULL)) {
return false; return false;
} }
// The question parser stores anything before _type._proto in question->host
// So the question->host can be subtype or instance name based on its content
if (question->sub) { if (question->sub) {
mdns_subtype_t *subtype = service->subtype; mdns_subtype_t *subtype = service->subtype;
while (subtype) { while (subtype) {
@@ -1550,6 +1552,11 @@ static bool _mdns_service_match_ptr_question(const mdns_service_t *service, cons
} }
return false; return false;
} }
if (question->host) {
if (strcasecmp(service->instance, question->host) != 0) {
return false;
}
}
return true; return true;
} }