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MDNS: fix legacy unicast responses #6613

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merged 2 commits into from
Oct 7, 2019
Merged

MDNS: fix legacy unicast responses #6613

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48ca7cf
mdns: use ID from parameter struct when constructing response message
mcspr Oct 7, 2019
0f0c570
print id for legacy requests
mcspr Oct 7, 2019
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2 changes: 1 addition & 1 deletion libraries/ESP8266mDNS/src/LEAmDNS_Control.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -245,7 +245,7 @@ bool MDNSResponder::_parseQuery(const MDNSResponder::stcMDNS_MsgHeader& p_MsgHea
((wifi_get_ip_info(STATION_IF, &IPInfo_Local)) &&
(ip4_addr_netcmp(&IPInfo_Remote.ip, &IPInfo_Local.ip, &IPInfo_Local.netmask))))) { // Remote IP in STATION's subnet

DEBUG_EX_RX(DEBUG_OUTPUT.printf_P(PSTR("[MDNSResponder] _parseQuery: Legacy query from local host %s!\n"), IPAddress(m_pUDPContext->getRemoteAddress()).toString().c_str()););
DEBUG_EX_RX(DEBUG_OUTPUT.printf_P(PSTR("[MDNSResponder] _parseQuery: Legacy query from local host %s, id %u!\n"), IPAddress(m_pUDPContext->getRemoteAddress()).toString().c_str(), p_MsgHeader.m_u16ID););

sendParameter.m_u16ID = p_MsgHeader.m_u16ID;
sendParameter.m_bLegacyQuery = true;
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2 changes: 1 addition & 1 deletion libraries/ESP8266mDNS/src/LEAmDNS_Transfer.cpp
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Expand Up @@ -141,7 +141,7 @@ bool MDNSResponder::_prepareMDNSMessage(MDNSResponder::stcMDNSSendParameter& p_r
bool bResult = true;

// Prepare header; count answers
stcMDNS_MsgHeader msgHeader(0, p_rSendParameter.m_bResponse, 0, p_rSendParameter.m_bAuthorative);
stcMDNS_MsgHeader msgHeader(p_rSendParameter.m_u16ID, p_rSendParameter.m_bResponse, 0, p_rSendParameter.m_bAuthorative);
// If this is a response, the answers are anwers,
// else this is a query or probe and the answers go into auth section
uint16_t& ru16Answers = (p_rSendParameter.m_bResponse
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