C++ (Cpp) _resolv_get_pids_associated_interface Examples

Example #1

File: DnsProxyListener.cpp Project: InsomniaAOSP/platform_system_netd

void DnsProxyListener::GetHostByNameHandler::run() {
    if (DBG) {
        ALOGD("DnsProxyListener::GetHostByNameHandler::run\n");
    }

    char iface[IF_NAMESIZE + 1];
    if (mIface == NULL) {
        _resolv_get_pids_associated_interface(mPid, iface, sizeof(iface));
    }

    struct hostent* hp;

    hp = android_gethostbynameforiface(mName, mAf, mIface ? mIface : iface);

    if (DBG) {
        ALOGD("GetHostByNameHandler::run gethostbyname errno: %s hp->h_name = %s, name_len = %d\n",
                hp ? "success" : strerror(errno),
                (hp && hp->h_name) ? hp->h_name: "null",
                (hp && hp->h_name) ? strlen(hp->h_name)+ 1 : 0);
    }

    bool success = true;
    if (hp) {
        success = mClient->sendCode(ResponseCode::DnsProxyQueryResult) == 0;
        success &= sendhostent(mClient, hp);
    } else {
        success = mClient->sendBinaryMsg(ResponseCode::DnsProxyOperationFailed, NULL, 0) == 0;
    }

    if (!success) {
        ALOGW("GetHostByNameHandler: Error writing DNS result to client\n");
    }
    mClient->decRef();
}

Example #2

File: DnsProxyListener.cpp Project: FirefoxSTE/android_system_netd

void DnsProxyListener::GetAddrInfoHandler::run() {
    if (DBG) {
        ALOGD("GetAddrInfoHandler, now for %s / %s / %s", mHost, mService, mIface);
    }

    char tmp[IF_NAMESIZE + 1];
    int mark = mMark;
    if (mIface == NULL) {
        //fall back to the per uid interface if no per pid interface exists
        if(!_resolv_get_pids_associated_interface(mPid, tmp, sizeof(tmp)))
            if(!_resolv_get_uids_associated_interface(mUid, tmp, sizeof(tmp)))
                mark = -1; // if we don't have a targeted iface don't use a mark
    }

    struct addrinfo* result = NULL;
    uint32_t rv = android_getaddrinfoforiface(mHost, mService, mHints, mIface ? mIface : tmp,
            mark, &result);
    if (rv) {
        // getaddrinfo failed
        mClient->sendBinaryMsg(ResponseCode::DnsProxyOperationFailed, &rv, sizeof(rv));
    } else {
        bool success = !mClient->sendCode(ResponseCode::DnsProxyQueryResult);
        struct addrinfo* ai = result;
        while (ai && success) {
            success = sendLenAndData(mClient, sizeof(struct addrinfo), ai)
                && sendLenAndData(mClient, ai->ai_addrlen, ai->ai_addr)
                && sendLenAndData(mClient,
                                  ai->ai_canonname ? strlen(ai->ai_canonname) + 1 : 0,
                                  ai->ai_canonname);
            ai = ai->ai_next;
        }
        success = success && sendLenAndData(mClient, 0, "");
        if (!success) {
            ALOGW("Error writing DNS result to client");
        }
    }
    if (result) {
        freeaddrinfo(result);
    }
    mClient->decRef();
}

Example #3

File: DnsProxyListener.cpp Project: FirefoxSTE/android_system_netd

void DnsProxyListener::GetHostByAddrHandler::run() {
    if (DBG) {
        ALOGD("DnsProxyListener::GetHostByAddrHandler::run\n");
    }

    char tmp[IF_NAMESIZE + 1];
    int mark = mMark;
    if (mIface == NULL) {
        //fall back to the per uid interface if no per pid interface exists
        if(!_resolv_get_pids_associated_interface(mPid, tmp, sizeof(tmp)))
            if(!_resolv_get_uids_associated_interface(mUid, tmp, sizeof(tmp)))
                mark = -1;
    }
    struct hostent* hp;

    // NOTE gethostbyaddr should take a void* but bionic thinks it should be char*
    hp = android_gethostbyaddrforiface((char*)mAddress, mAddressLen, mAddressFamily,
            mIface ? mIface : tmp, mark);

    if (DBG) {
        ALOGD("GetHostByAddrHandler::run gethostbyaddr errno: %s hp->h_name = %s, name_len = %d\n",
                hp ? "success" : strerror(errno),
                (hp && hp->h_name) ? hp->h_name: "null",
                (hp && hp->h_name) ? strlen(hp->h_name)+ 1 : 0);
    }

    bool success = true;
    if (hp) {
        success = mClient->sendCode(ResponseCode::DnsProxyQueryResult) == 0;
        success &= sendhostent(mClient, hp);
    } else {
        success = mClient->sendBinaryMsg(ResponseCode::DnsProxyOperationFailed, NULL, 0) == 0;
    }

    if (!success) {
        ALOGW("GetHostByAddrHandler: Error writing DNS result to client\n");
    }
    mClient->decRef();
}