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Commit 5200bf42 authored by Maciej Żenczykowski's avatar Maciej Żenczykowski Committed by Automerger Merge Worker
Browse files

Merge "Accommodate a change in the type of std::span's size" into main am: 33a78903 

Original change: https://android-review.googlesource.com/c/platform/packages/modules/DnsResolver/+/2760205



Change-Id: Id6712fe85ba0b7a4f278420a636c72d67a4813b0
Signed-off-by: default avatarAutomerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
parents e3752cf4 33a78903

DnsProxyListener.cpp

+5 −5
Original line number Diff line number Diff line
@@ -1048,8 +1048,8 @@ void DnsProxyListener::ResNSendHandler::run() { 
    uint16_t original_query_id = 0;



    // TODO: Handle the case which is msg contains more than one query

    if (!parseQuery({msg.data(), msgLen}, &original_query_id, &rr_type, &rr_name) ||

        !setQueryId({msg.data(), msgLen}, arc4random_uniform(65536))) {

    if (!parseQuery(std::span(msg.data(), msgLen), &original_query_id, &rr_type, &rr_name) ||

        !setQueryId(std::span(msg.data(), msgLen), arc4random_uniform(65536))) {

        // If the query couldn't be parsed, block the request.

        LOG(WARNING) << "ResNSendHandler::run: resnsend: from UID " << uid << ", invalid query";

        sendBE32(mClient, -EINVAL);
@@ -1064,7 +1064,7 @@ void DnsProxyListener::ResNSendHandler::run() { 
    initDnsEvent(&event, mNetContext);

    if (startQueryLimiter(uid)) {

        if (evaluate_domain_name(mNetContext, rr_name.c_str())) {

            ansLen = resolv_res_nsend(&mNetContext, {msg.data(), msgLen}, ansBuf, &rcode,

            ansLen = resolv_res_nsend(&mNetContext, std::span(msg.data(), msgLen), ansBuf, &rcode,

                                      static_cast<ResNsendFlags>(mFlags), &event);

        } else {

            ansLen = -EAI_SYSTEM;
@@ -1102,7 +1102,7 @@ void DnsProxyListener::ResNSendHandler::run() { 
    }



    // Restore query id

    if (!setQueryId({ansBuf.data(), ansLen}, original_query_id)) {

    if (!setQueryId(std::span(ansBuf.data(), ansLen), original_query_id)) {

        LOG(WARNING) << "ResNSendHandler::run: resnsend: failed to restore query id";

        return;

    }
@@ -1117,7 +1117,7 @@ void DnsProxyListener::ResNSendHandler::run() { 
    if (rr_type == ns_t_a || rr_type == ns_t_aaaa) {

        std::vector<std::string> ip_addrs;

        const int total_ip_addr_count =

                extractResNsendAnswers({ansBuf.data(), ansLen}, rr_type, &ip_addrs);

                extractResNsendAnswers(std::span(ansBuf.data(), ansLen), rr_type, &ip_addrs);

        reportDnsEvent(INetdEventListener::EVENT_RES_NSEND, mNetContext, latencyUs,

                       resNSendToAiError(ansLen, rcode), event, rr_name, ip_addrs,

                       total_ip_addr_count);

DnsTlsTransport.cpp

+1 −1
Original line number Diff line number Diff line
@@ -113,7 +113,7 @@ base::Result<void> sendUdpQuery(netdutils::IPAddress ip, uint32_t mark, 
        return ErrnoErrorf("connect failed");

    }



    if (send(fd, query.data(), query.size(), 0) != query.size()) {

    if (send(fd, query.data(), query.size(), 0) != static_cast<ptrdiff_t>(query.size())) {

        return ErrnoErrorf("send failed");

    }

getaddrinfo.cpp

+4 −2
Original line number Diff line number Diff line
@@ -1637,7 +1637,8 @@ QueryResult doQuery(const char* name, res_target* t, ResState* res, 
    ResState res_temp = res->clone(&event);



    int rcode = NOERROR;

    n = res_nsend(&res_temp, {buf, n}, {t->answer.data(), anslen}, &rcode, 0, sleepTimeMs);

    n = res_nsend(&res_temp, std::span(buf, n), std::span(t->answer.data(), anslen), &rcode, 0,

                  sleepTimeMs);

    if (n < 0 || hp->rcode != NOERROR || ntohs(hp->ancount) == 0) {

        if (rcode != RCODE_TIMEOUT) rcode = hp->rcode;

        // if the query choked with EDNS0, retry without EDNS0
@@ -1646,7 +1647,8 @@ QueryResult doQuery(const char* name, res_target* t, ResState* res, 
            (res_temp.flags & RES_F_EDNS0ERR)) {

            LOG(INFO) << __func__ << ": retry without EDNS0";

            n = res_nmkquery(QUERY, name, cl, type, {}, buf, res_temp.netcontext_flags);

            n = res_nsend(&res_temp, {buf, n}, {t->answer.data(), anslen}, &rcode, 0);

            n = res_nsend(&res_temp, std::span(buf, n), std::span(t->answer.data(), anslen), &rcode,

                          0);

        }

    }

res_cache.cpp

+3 −3
Original line number Diff line number Diff line
@@ -1214,7 +1214,7 @@ static void _cache_remove_oldest(Cache* cache) { 
        return;

    }

    LOG(DEBUG) << __func__ << ": Cache full - removing oldest";

    res_pquery({oldest->query, oldest->querylen});

    res_pquery(std::span(oldest->query, oldest->querylen));

    _cache_remove_p(cache, lookup);

}
@@ -1318,13 +1318,13 @@ ResolvCacheStatus resolv_cache_lookup(unsigned netid, span<const uint8_t> query, 
    /* remove stale entries here */

    if (now >= e->expires) {

        LOG(DEBUG) << __func__ << ": NOT IN CACHE (STALE ENTRY " << *lookup << "DISCARDED)";

        res_pquery({e->query, e->querylen});

        res_pquery(std::span(e->query, e->querylen));

        _cache_remove_p(cache, lookup);

        return RESOLV_CACHE_NOTFOUND;

    }



    *answerlen = e->answerlen;

    if (e->answerlen > answer.size()) {

    if (e->answerlen > static_cast<ptrdiff_t>(answer.size())) {

        /* NOTE: we return UNSUPPORTED if the answer buffer is too short */

        LOG(INFO) << __func__ << ": ANSWER TOO LONG";

        return RESOLV_CACHE_UNSUPPORTED;

res_mkquery.cpp

+1 −1
Original line number Diff line number Diff line
@@ -166,7 +166,7 @@ int res_nmkquery(int op, // opcode of query 
            /*

             * Initialize answer section

             */

            if (ep - cp < 1 + RRFIXEDSZ + data.size()) return (-1);

            if (ep - cp < static_cast<ptrdiff_t>(1 + RRFIXEDSZ + data.size())) return (-1);

            *cp++ = '\0'; /* no domain name */

            *reinterpret_cast<uint16_t*>(cp) = htons(type);

            cp += INT16SZ;