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[mdns] include additional records along with sub-type PTR answer (#10276)

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This commit updates the native mDNS implementation to include
additional records (SRV, TXT, and AAAA for host) when answering
sub-type PTR (browse) queries, the same way it is included for base
PTR queries. The unit test `test_mdns` is also updated to verify and
expect this behavior accordingly.
This commit is contained in:
Abtin Keshavarzian
2024-05-21 13:24:45 -07:00
committed by GitHub
parent 6e595de659
commit 153e2567cd
2 changed files with 36 additions and 15 deletions
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tests/unit/test_mdns.cpp
+14 -5
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@@ -2728,8 +2728,9 @@ void TestServiceSubTypeReg(void)
dnsMsg = sDnsMessages.GetHead();
VerifyOrQuit(dnsMsg != nullptr);
dnsMsg->ValidateHeader(kMulticastResponse, /* Q */ 0, /* Ans */ 1, /* Auth */ 0, /* Addnl */ 0);
dnsMsg->ValidateHeader(kMulticastResponse, /* Q */ 0, /* Ans */ 1, /* Auth */ 0, /* Addnl */ 2);
dnsMsg->ValidateSubType(service.mSubTypeLabels[index], service);
dnsMsg->Validate(service, kInAdditionalSection, kCheckSrv | kCheckTxt);
}
Log("- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -");
@@ -2762,8 +2763,9 @@ void TestServiceSubTypeReg(void)
VerifyOrQuit(!sDnsMessages.IsEmpty());
dnsMsg = sDnsMessages.GetHead();
dnsMsg->ValidateHeader(kMulticastResponse, /* Q */ 0, /* Ans */ 1, /* Auth */ 0, /* Addnl */ 0);
dnsMsg->ValidateHeader(kMulticastResponse, /* Q */ 0, /* Ans */ 1, /* Auth */ 0, /* Addnl */ 2);
dnsMsg->ValidateSubType(service.mSubTypeLabels[3], service);
dnsMsg->Validate(service, kInAdditionalSection, kCheckSrv | kCheckTxt);
VerifyOrQuit(dnsMsg->GetNext() == nullptr);
sDnsMessages.Clear();
}
@@ -2842,11 +2844,12 @@ void TestServiceSubTypeReg(void)
VerifyOrQuit(!sDnsMessages.IsEmpty());
dnsMsg = sDnsMessages.GetHead();
dnsMsg->ValidateHeader(kMulticastResponse, /* Q */ 0, /* Ans */ 3, /* Auth */ 0, /* Addnl */ 0);
dnsMsg->ValidateHeader(kMulticastResponse, /* Q */ 0, /* Ans */ 3, /* Auth */ 0, /* Addnl */ 2);
dnsMsg->ValidateSubType(kSubTypes1[3], service, kGoodBye);
dnsMsg->ValidateSubType(kSubTypes2[1], service);
dnsMsg->ValidateSubType(kSubTypes2[3], service);
dnsMsg->Validate(service, kInAdditionalSection, kCheckSrv | kCheckTxt);
VerifyOrQuit(dnsMsg->GetNext() == nullptr);
sDnsMessages.Clear();
@@ -3513,10 +3516,14 @@ void TestQuery(void)
VerifyOrQuit(dnsMsg != nullptr);
VerifyOrQuit(dnsMsg->GetNext() == nullptr);
dnsMsg->ValidateHeader(kMulticastResponse, /* Q */ 0, /* Ans */ 2, /* Auth */ 0, /* Addnl */ 0);
dnsMsg->ValidateHeader(kMulticastResponse, /* Q */ 0, /* Ans */ 2, /* Auth */ 0, /* Addnl */ 9);
dnsMsg->ValidateSubType("_s", service1);
dnsMsg->ValidateSubType("_s", service3);
dnsMsg->Validate(service1, kInAdditionalSection, kCheckSrv | kCheckTxt);
dnsMsg->Validate(service3, kInAdditionalSection, kCheckSrv | kCheckTxt);
dnsMsg->Validate(host1, kInAdditionalSection);
dnsMsg->Validate(host2, kInAdditionalSection);
// Send same query again and make sure it is ignored (rate limit).
@@ -3540,8 +3547,10 @@ void TestQuery(void)
VerifyOrQuit(dnsMsg != nullptr);
VerifyOrQuit(dnsMsg->GetNext() == nullptr);
dnsMsg->ValidateHeader(kMulticastResponse, /* Q */ 0, /* Ans */ 1, /* Auth */ 0, /* Addnl */ 0);
dnsMsg->ValidateHeader(kMulticastResponse, /* Q */ 0, /* Ans */ 1, /* Auth */ 0, /* Addnl */ 5);
dnsMsg->ValidateSubType("_r", service1);
dnsMsg->Validate(service1, kInAdditionalSection, kCheckSrv | kCheckTxt);
dnsMsg->Validate(host1, kInAdditionalSection);
Log("- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -");
Log("Validate that query with other `class` is ignored");