Exemplo n.º 1
0
extern "C" int GetIPList(void *data, addr_t* addr, int max, int ipv4, int ipv6) {
  CDnsThread *thread = (CDnsThread*)data;
  thread->cacheHit();
  unsigned int size = thread->cache.size();
  unsigned int maxmax = (ipv4 ? thread->nIPv4 : 0) + (ipv6 ? thread->nIPv6 : 0);
  if (max > size)
    max = size;
  if (max > maxmax)
    max = maxmax;
  int i=0;
  while (i<max) {
    int j = i + (rand() % (size - i));
    do {
        bool ok = (ipv4 && thread->cache[j].v == 4) || 
                  (ipv6 && thread->cache[j].v == 6);
        if (ok) break;
        j++;
        if (j==size)
            j=i;
    } while(1);
    addr[i] = thread->cache[j];
    thread->cache[j] = thread->cache[i];
    thread->cache[i] = addr[i];
    i++;
  }
  return max;
}
Exemplo n.º 2
0
extern "C" uint32_t GetIPList(void *data, char *requestedHostname, addr_t *addr,
                              uint32_t max, uint32_t ipv4, uint32_t ipv6) {
    CDnsThread *thread = (CDnsThread *)data;

    uint64_t requestedFlags = 0;
    int hostlen = strlen(requestedHostname);
    if (hostlen > 1 && requestedHostname[0] == 'x' &&
        requestedHostname[1] != '0') {
        char *pEnd;
        uint64_t flags = (uint64_t)strtoull(requestedHostname + 1, &pEnd, 16);
        if (*pEnd == '.' && pEnd <= requestedHostname + 17 &&
            std::find(thread->filterWhitelist.begin(),
                      thread->filterWhitelist.end(),
                      flags) != thread->filterWhitelist.end()) {
            requestedFlags = flags;
        } else {
            return 0;
        }
    } else if (strcasecmp(requestedHostname, thread->dns_opt.host)) {
        return 0;
    }
    thread->cacheHit(requestedFlags);
    auto &thisflag = thread->perflag[requestedFlags];
    uint32_t size = thisflag.cache.size();
    uint32_t maxmax = (ipv4 ? thisflag.nIPv4 : 0) + (ipv6 ? thisflag.nIPv6 : 0);
    if (max > size) {
        max = size;
    }
    if (max > maxmax) {
        max = maxmax;
    }
    uint32_t i = 0;
    while (i < max) {
        uint32_t j = i + (rand() % (size - i));
        do {
            bool ok = (ipv4 && thisflag.cache[j].v == 4) ||
                      (ipv6 && thisflag.cache[j].v == 6);
            if (ok) {
                break;
            }
            j++;
            if (j == size) {
                j = i;
            }
        } while (1);
        addr[i] = thisflag.cache[j];
        thisflag.cache[j] = thisflag.cache[i];
        thisflag.cache[i] = addr[i];
        i++;
    }
    return max;
}
Exemplo n.º 3
0
extern "C" int GetIPList(void *data, char *requestedHostname, addr_t* addr, int max, int ipv4, int ipv6) {
  CDnsThread *thread = (CDnsThread*)data;
  
  uint64_t requestedFlags = 0;
  int hostlen = strlen(requestedHostname);
  if (hostlen > 1 && requestedHostname[0] == 'x' && requestedHostname[1] != '0') {
    char *pEnd;
    uint64_t flags = (uint64_t)strtoull(requestedHostname+1, &pEnd, 16);
    if (*pEnd == '.' && pEnd <= requestedHostname+17 && std::find(thread->filterWhitelist.begin(), thread->filterWhitelist.end(), flags) != thread->filterWhitelist.end())
      requestedFlags = flags;
    else
      return 0;
  }
  else if (strcasecmp(requestedHostname, thread->dns_opt.host))
    return 0;
  
  thread->cacheHit(requestedFlags);
  unsigned int size = thread->cache[requestedFlags].size();
  unsigned int maxmax = (ipv4 ? thread->nIPv4 : 0) + (ipv6 ? thread->nIPv6 : 0);
  if (max > size)
    max = size;
  if (max > maxmax)
    max = maxmax;
  int i=0;
  while (i<max) {
    int j = i + (rand() % (size - i));
    do {
        bool ok = (ipv4 && thread->cache[requestedFlags][j].v == 4) ||
                  (ipv6 && thread->cache[requestedFlags][j].v == 6);
        if (ok) break;
        j++;
        if (j==size)
            j=i;
    } while(1);
    addr[i] = thread->cache[requestedFlags][j];
    thread->cache[requestedFlags][j] = thread->cache[requestedFlags][i];
    thread->cache[requestedFlags][i] = addr[i];
    i++;
  }
  return max;
}
Exemplo n.º 4
0
extern "C" void* ThreadDNS(void* arg) {
  CDnsThread *thread = (CDnsThread*)arg;
  thread->run();
  return nullptr;
}
Exemplo n.º 5
0
extern "C" void* ThreadDNS(void* arg) {
  CDnsThread *thread = (CDnsThread*)arg;
  thread->run();
}