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Backport mdns.h updates from upstream

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Albert Vaca Cintora 2024-10-10 15:07:12 +02:00
parent 36f8b27a0d
commit 89f950ca88
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1 changed files with 4 additions and 1 deletions
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5
core/backends/lan/mdns.h
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@ -255,7 +255,7 @@ static inline int
mdns_multiquery_send(int sock, const mdns_query_t* query, size_t count, void* buffer, mdns_multiquery_send(int sock, const mdns_query_t* query, size_t count, void* buffer,
size_t capacity, uint16_t query_id); size_t capacity, uint16_t query_id);
//! Receive unicast responses to a mDNS query sent with mdns_discovery_recv, optionally filtering //! Receive unicast responses to a mDNS query sent with mdns_[multi]query_recv, optionally filtering
//! out any responses not matching the given query ID. Set the query ID to 0 to parse all responses, //! out any responses not matching the given query ID. Set the query ID to 0 to parse all responses,
//! even if it is not matching the query ID set in a specific query. Any data will be piped to the //! even if it is not matching the query ID set in a specific query. Any data will be piped to the
//! given callback for parsing. Buffer must be 32 bit aligned. Parsing is stopped when callback //! given callback for parsing. Buffer must be 32 bit aligned. Parsing is stopped when callback
@ -1110,6 +1110,9 @@ mdns_multiquery_send(int sock, const mdns_query_t* query, size_t count, void* bu
data = mdns_string_make(buffer, capacity, data, query[iq].name, query[iq].length, nullptr); data = mdns_string_make(buffer, capacity, data, query[iq].name, query[iq].length, nullptr);
if (!data) if (!data)
return -1; return -1;
size_t remain = capacity - MDNS_POINTER_DIFF(data, buffer);
if (remain < 4)
return -1;
// Record type // Record type
data = mdns_htons(data, query[iq].type); data = mdns_htons(data, query[iq].type);
//! Optional unicast response based on local port, class IN //! Optional unicast response based on local port, class IN