Log UID and PID when fail to send messages to dnsproxyd am: 8ab448ff3d (a2a79ae4) · Commits · e / os / android_packages_modules_DnsResolver

DnsProxyListener.cpp

+30 −11

Original line number	Diff line number	Diff line
		@@ -739,21 +739,25 @@ void DnsProxyListener::GetAddrInfoHandler::run() {
		event.set_event_type(EVENT_GETADDRINFO);
		event.set_hints_ai_flags((mHints ? mHints->ai_flags : 0));

		bool success = true;
		if (rv) {
		// getaddrinfo failed
		mClient->sendBinaryMsg(ResponseCode::DnsProxyOperationFailed, &rv, sizeof(rv));
		success = !mClient->sendBinaryMsg(ResponseCode::DnsProxyOperationFailed, &rv, sizeof(rv));
		} else {
		bool success = !mClient->sendCode(ResponseCode::DnsProxyQueryResult);
		success = !mClient->sendCode(ResponseCode::DnsProxyQueryResult);
		addrinfo* ai = result;
		while (ai && success) {
		success = sendBE32(mClient, 1) && sendaddrinfo(mClient, ai);
		ai = ai->ai_next;
		}
		success = success && sendBE32(mClient, 0);
		if (!success) {
		LOG(WARNING) << "GetAddrInfoHandler::run: Error writing DNS result to client";
		}

		if (!success) {
		PLOG(WARNING) << "GetAddrInfoHandler::run: Error writing DNS result to client uid " << uid
		<< " pid " << mClient->getPid();
		}

		std::vector<std::string> ip_addrs;
		const int total_ip_addr_count = extractGetAddrInfoAnswers(result, &ip_addrs);
		reportDnsEvent(INetdEventListener::EVENT_GETADDRINFO, mNetContext, latencyUs, rv, event, mHost,
		@@ -958,7 +962,10 @@ void DnsProxyListener::ResNSendHandler::run() {

		// Fail, send -errno
		if (nsendAns < 0) {
		sendBE32(mClient, nsendAns);
		if (!sendBE32(mClient, nsendAns)) {
		PLOG(WARNING) << "ResNSendHandler::run: resnsend: failed to send errno to uid " << uid
		<< " pid " << mClient->getPid();
		}
		if (rr_type == ns_t_a \|\| rr_type == ns_t_aaaa) {
		reportDnsEvent(INetdEventListener::EVENT_RES_NSEND, mNetContext, latencyUs,
		resNSendToAiError(nsendAns, rcode), event, rr_name);
		@@ -968,14 +975,16 @@ void DnsProxyListener::ResNSendHandler::run() {

		// Send rcode
		if (!sendBE32(mClient, rcode)) {
		PLOG(WARNING) << "ResNSendHandler::run: resnsend: failed to send rcode to uid " << uid;
		PLOG(WARNING) << "ResNSendHandler::run: resnsend: failed to send rcode to uid " << uid
		<< " pid " << mClient->getPid();
		return;
		}

		// Restore query id and send answer
		if (!setQueryId(ansBuf.data(), nsendAns, original_query_id) \|\|
		!sendLenAndData(mClient, nsendAns, ansBuf.data())) {
		PLOG(WARNING) << "ResNSendHandler::run: resnsend: failed to send answer to uid " << uid;
		PLOG(WARNING) << "ResNSendHandler::run: resnsend: failed to send answer to uid " << uid
		<< " pid " << mClient->getPid();
		return;
		}

		@@ -1033,7 +1042,15 @@ int DnsProxyListener::GetDnsNetIdCommand::runCommand(SocketClient* cli, int argc
		netcontext.app_netid \|= NETID_USE_LOCAL_NAMESERVERS;
		}

		return sendCodeAndBe32(cli, ResponseCode::DnsProxyQueryResult, netcontext.app_netid) ? 0 : -1;
		const bool success =
		sendCodeAndBe32(cli, ResponseCode::DnsProxyQueryResult, netcontext.app_netid);
		if (!success) {
		PLOG(WARNING)
		<< "GetDnsNetIdCommand::runCommand: getdnsnetid: failed to send result to uid "
		<< uid << " pid " << cli->getPid();
		}

		return success ? 0 : -1;
		}

		/*******************************************************
		@@ -1165,7 +1182,8 @@ void DnsProxyListener::GetHostByNameHandler::run() {
		}

		if (!success) {
		LOG(WARNING) << "GetHostByNameHandler::run: Error writing DNS result to client";
		PLOG(WARNING) << "GetHostByNameHandler::run: Error writing DNS result to client uid " << uid
		<< " pid " << mClient->getPid();
		}

		std::vector<std::string> ip_addrs;
		@@ -1327,7 +1345,8 @@ void DnsProxyListener::GetHostByAddrHandler::run() {
		}

		if (!success) {
		LOG(WARNING) << "GetHostByAddrHandler::run: Error writing DNS result to client";
		PLOG(WARNING) << "GetHostByAddrHandler::run: Error writing DNS result to client uid " << uid
		<< " pid " << mClient->getPid();
		}

		reportDnsEvent(INetdEventListener::EVENT_GETHOSTBYADDR, mNetContext, latencyUs, rv, event,