2 files changed, 0 insertions, 511 deletions
diff --git a/3rdParty/CAres b/3rdParty/CAres
new file mode 160000
+Subproject b4ee3a88b3d7de7a1c39d343fb354da811dba40
diff --git a/3rdParty/CAres/src/ares_gethostbyname.c b/3rdParty/CAres/src/ares_gethostbyname.c
deleted file mode 100644
index fc66c6f..0000000
--- a/3rdParty/CAres/src/ares_gethostbyname.c
+++ /dev/null
@@ -1,511 +0,0 @@
-/* $Id: ares_gethostbyname.c,v 1.50 2009-11-02 11:55:53 yangtse Exp $ */
-
-/* Copyright 1998 by the Massachusetts Institute of Technology.
- *
- * Permission to use, copy, modify, and distribute this
- * software and its documentation for any purpose and without
- * fee is hereby granted, provided that the above copyright
- * notice appear in all copies and that both that copyright
- * notice and this permission notice appear in supporting
- * documentation, and that the name of M.I.T. not be used in
- * advertising or publicity pertaining to distribution of the
- * software without specific, written prior permission.
- * M.I.T. makes no representations about the suitability of
- * this software for any purpose.  It is provided "as is"
- * without express or implied warranty.
- */
-
-#include "ares_setup.h"
-
-#ifdef HAVE_SYS_SOCKET_H
-#  include <sys/socket.h>
-#endif
-#ifdef HAVE_NETINET_IN_H
-#  include <netinet/in.h>
-#endif
-#ifdef HAVE_NETDB_H
-#  include <netdb.h>
-#endif
-#ifdef HAVE_ARPA_INET_H
-#  include <arpa/inet.h>
-#endif
-#ifdef HAVE_ARPA_NAMESER_H
-#  include <arpa/nameser.h>
-#else
-#  include "nameser.h"
-#endif
-#ifdef HAVE_ARPA_NAMESER_COMPAT_H
-#  include <arpa/nameser_compat.h>
-#endif
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <ctype.h>
-#ifdef HAVE_STRINGS_H
-#include <strings.h>
-#endif
-
-#include "ares.h"
-#include "inet_net_pton.h"
-#include "bitncmp.h"
-#include "ares_private.h"
-
-#ifdef WATT32
-#undef WIN32
-#endif
-
-struct host_query {
-  /* Arguments passed to ares_gethostbyname() */
-  ares_channel channel;
-  char *name;
-  ares_host_callback callback;
-  void *arg;
-  int sent_family; /* this family is what was is being used */
-  int want_family; /* this family is what is asked for in the API */
-  const char *remaining_lookups;
-  int timeouts;
-};
-
-static void next_lookup(struct host_query *hquery, int status_code);
-static void host_callback(void *arg, int status, int timeouts,
-                          unsigned char *abuf, int alen);
-static void end_hquery(struct host_query *hquery, int status,
-                       struct hostent *host);
-static int fake_hostent(const char *name, int family,
-                        ares_host_callback callback, void *arg);
-static int file_lookup(const char *name, int family, struct hostent **host);
-static void sort_addresses(struct hostent *host,
-                           const struct apattern *sortlist, int nsort);
-static void sort6_addresses(struct hostent *host,
-                            const struct apattern *sortlist, int nsort);
-static int get_address_index(const struct in_addr *addr,
-                             const struct apattern *sortlist, int nsort);
-static int get6_address_index(const struct in6_addr *addr,
-                              const struct apattern *sortlist, int nsort);
-
-void ares_gethostbyname(ares_channel channel, const char *name, int family,
-                        ares_host_callback callback, void *arg)
-{
-  struct host_query *hquery;
-
-  /* Right now we only know how to look up Internet addresses - and unspec
-     means try both basically. */
-  switch (family) {
-  case AF_INET:
-  case AF_INET6:
-  case AF_UNSPEC:
-    break;
-  default:
-    callback(arg, ARES_ENOTIMP, 0, NULL);
-    return;
-  }
-
-  if (fake_hostent(name, family, callback, arg))
-    return;
-
-  /* Allocate and fill in the host query structure. */
-  hquery = malloc(sizeof(struct host_query));
-  if (!hquery)
-    {
-      callback(arg, ARES_ENOMEM, 0, NULL);
-      return;
-    }
-  hquery->channel = channel;
-  hquery->name = strdup(name);
-  hquery->want_family = family;
-  hquery->sent_family = -1; /* nothing is sent yet */
-  if (!hquery->name) {
-    free(hquery);
-    callback(arg, ARES_ENOMEM, 0, NULL);
-    return;
-  }
-  hquery->callback = callback;
-  hquery->arg = arg;
-  hquery->remaining_lookups = channel->lookups;
-  hquery->timeouts = 0;
-
-  /* Start performing lookups according to channel->lookups. */
-  next_lookup(hquery, ARES_ECONNREFUSED /* initial error code */);
-}
-
-static void next_lookup(struct host_query *hquery, int status_code)
-{
-  const char *p;
-  struct hostent *host;
-  int status = status_code;
-
-  for (p = hquery->remaining_lookups; *p; p++)
-    {
-      switch (*p)
-        {
-        case 'b':
-          /* DNS lookup */
-          hquery->remaining_lookups = p + 1;
-          if ((hquery->want_family == AF_INET6) ||
-              (hquery->want_family == AF_UNSPEC)) {
-            /* if inet6 or unspec, start out with AAAA */
-            hquery->sent_family = AF_INET6;
-            ares_search(hquery->channel, hquery->name, C_IN, T_AAAA,
-                        host_callback, hquery);
-          }
-          else {
-            hquery->sent_family = AF_INET;
-            ares_search(hquery->channel, hquery->name, C_IN, T_A, host_callback,
-                        hquery);
-          }
-          return;
-
-        case 'f':
-          /* Host file lookup */
-          status = file_lookup(hquery->name, hquery->want_family, &host);
-
-          /* this status check below previously checked for !ARES_ENOTFOUND,
-             but we should not assume that this single error code is the one
-             that can occur, as that is in fact no longer the case */
-          if (status == ARES_SUCCESS)
-            {
-              end_hquery(hquery, status, host);
-              return;
-            }
-          status = status_code;   /* Use original status code */
-          break;
-        }
-    }
-  end_hquery(hquery, status, NULL);
-}
-
-static void host_callback(void *arg, int status, int timeouts,
-                          unsigned char *abuf, int alen)
-{
-  struct host_query *hquery = (struct host_query *) arg;
-  ares_channel channel = hquery->channel;
-  struct hostent *host = NULL;
-
-  hquery->timeouts += timeouts;
-  if (status == ARES_SUCCESS)
-    {
-      if (hquery->sent_family == AF_INET)
-        {
-          status = ares_parse_a_reply(abuf, alen, &host, NULL, NULL);
-          if (host && channel->nsort)
-            sort_addresses(host, channel->sortlist, channel->nsort);
-        }
-      else if (hquery->sent_family == AF_INET6)
-        {
-          status = ares_parse_aaaa_reply(abuf, alen, &host, NULL, NULL);
-          if (status == ARES_ENODATA || status == ARES_EBADRESP) {
-            /* The query returned something but either there were no AAAA records (e.g. just CNAME) 
-               or the response was malformed.  Try looking up A instead.  
-               We should possibly limit this attempt-next logic to AF_UNSPEC lookups only. */
-            hquery->sent_family = AF_INET;
-            ares_search(hquery->channel, hquery->name, C_IN, T_A,
-                        host_callback, hquery);
-            return;
-          }
-          if (host && channel->nsort)
-            sort6_addresses(host, channel->sortlist, channel->nsort);
-        }
-      end_hquery(hquery, status, host);
-    }
-  else if ((status == ARES_ENODATA || status == ARES_EBADRESP || status == ARES_ETIMEOUT) && hquery->sent_family == AF_INET6)
-    {
-      /* The AAAA query yielded no useful result.  Now look up an A instead.  
-         We should possibly limit this attempt-next logic to AF_UNSPEC lookups only. */
-      hquery->sent_family = AF_INET;
-      ares_search(hquery->channel, hquery->name, C_IN, T_A, host_callback,
-                  hquery);
-    }
-  else if (status == ARES_EDESTRUCTION)
-    end_hquery(hquery, status, NULL);
-  else
-    next_lookup(hquery, status);
-}
-
-static void end_hquery(struct host_query *hquery, int status,
-                       struct hostent *host)
-{
-  hquery->callback(hquery->arg, status, hquery->timeouts, host);
-  if (host)
-    ares_free_hostent(host);
-  free(hquery->name);
-  free(hquery);
-}
-
-/* If the name looks like an IP address, fake up a host entry, end the
- * query immediately, and return true.  Otherwise return false.
- */
-static int fake_hostent(const char *name, int family, ares_host_callback callback,
-                        void *arg)
-{
-  struct hostent hostent;
-  char *aliases[1] = { NULL };
-  char *addrs[2];
-  int result = 0;
-  struct in_addr in;
-  struct in6_addr in6;
-
-  if (family == AF_INET || family == AF_INET6)
-    {
-      /* It only looks like an IP address if it's all numbers and dots. */
-      int numdots = 0, valid = 1;
-      const char *p;
-      for (p = name; *p; p++)
-        {
-          if (!ISDIGIT(*p) && *p != '.') {
-            valid = 0;
-            break;
-          } else if (*p == '.') {
-            numdots++;
-          }
-        }
-
-      /* if we don't have 3 dots, it is illegal
-       * (although inet_addr doesn't think so).
-       */
-      if (numdots != 3 || !valid)
-        result = 0;
-      else
-        result = ((in.s_addr = inet_addr(name)) == INADDR_NONE ? 0 : 1);
-
-      if (result)
-        family = AF_INET;
-    }
-  if (family == AF_INET6)
-    result = (ares_inet_pton(AF_INET6, name, &in6) < 1 ? 0 : 1);
-
-  if (!result)
-    return 0;
-
-  if (family == AF_INET)
-    {
-      hostent.h_length = (int)sizeof(struct in_addr);
-      addrs[0] = (char *)&in;
-    }
-  else if (family == AF_INET6)
-    {
-      hostent.h_length = (int)sizeof(struct in6_addr);
-      addrs[0] = (char *)&in6;
-    }
-  /* Duplicate the name, to avoid a constness violation. */
-  hostent.h_name = strdup(name);
-  if (!hostent.h_name)
-    {
-      callback(arg, ARES_ENOMEM, 0, NULL);
-      return 1;
-    }
-
-  /* Fill in the rest of the host structure and terminate the query. */
-  addrs[1] = NULL;
-  hostent.h_aliases = aliases;
-  hostent.h_addrtype = family;
-  hostent.h_addr_list = addrs;
-  callback(arg, ARES_SUCCESS, 0, &hostent);
-
-  free((char *)(hostent.h_name));
-  return 1;
-}
-
-/* This is an API method */
-int ares_gethostbyname_file(ares_channel channel, const char *name,
-                            int family, struct hostent **host)
-{
-  int result;
-
-  /* We only take the channel to ensure that ares_init() been called. */
-  if(channel == NULL)
-    {
-      /* Anything will do, really.  This seems fine, and is consistent with
-         other error cases. */
-      *host = NULL;
-      return ARES_ENOTFOUND;
-    }
-
-  /* Just chain to the internal implementation we use here; it's exactly
-   * what we want.
-   */
-  result = file_lookup(name, family, host);
-  if(result != ARES_SUCCESS)
-    {
-      /* We guarantee a NULL hostent on failure. */
-      *host = NULL;
-    }
-  return result;
-}
-
-static int file_lookup(const char *name, int family, struct hostent **host)
-{
-  FILE *fp;
-  char **alias;
-  int status;
-  int error;
-
-#ifdef WIN32
-  char PATH_HOSTS[MAX_PATH];
-  if (IS_NT()) {
-    char tmp[MAX_PATH];
-    HKEY hkeyHosts;
-
-    if (RegOpenKeyEx(HKEY_LOCAL_MACHINE, WIN_NS_NT_KEY, 0, KEY_READ, &hkeyHosts)
-        == ERROR_SUCCESS)
-    {
-      DWORD dwLength = MAX_PATH;
-      RegQueryValueEx(hkeyHosts, DATABASEPATH, NULL, NULL, (LPBYTE)tmp,
-                      &dwLength);
-      ExpandEnvironmentStrings(tmp, PATH_HOSTS, MAX_PATH);
-      RegCloseKey(hkeyHosts);
-    }
-  }
-  else
-    GetWindowsDirectory(PATH_HOSTS, MAX_PATH);
-
-  strcat(PATH_HOSTS, WIN_PATH_HOSTS);
-
-#elif defined(WATT32)
-  extern const char *_w32_GetHostsFile (void);
-  const char *PATH_HOSTS = _w32_GetHostsFile();
-
-  if (!PATH_HOSTS)
-    return ARES_ENOTFOUND;
-#endif
-
-  fp = fopen(PATH_HOSTS, "r");
-  if (!fp)
-    {
-      error = ERRNO;
-      switch(error)
-        {
-        case ENOENT:
-        case ESRCH:
-          return ARES_ENOTFOUND;
-        default:
-          DEBUGF(fprintf(stderr, "fopen() failed with error: %d %s\n",
-                         error, strerror(error)));
-          DEBUGF(fprintf(stderr, "Error opening file: %s\n",
-                         PATH_HOSTS));
-          *host = NULL;
-          return ARES_EFILE;
-        }
-    }
-  while ((status = ares__get_hostent(fp, family, host)) == ARES_SUCCESS)
-    {
-      if (strcasecmp((*host)->h_name, name) == 0)
-        break;
-      for (alias = (*host)->h_aliases; *alias; alias++)
-        {
-          if (strcasecmp(*alias, name) == 0)
-            break;
-        }
-      if (*alias)
-        break;
-      ares_free_hostent(*host);
-    }
-  fclose(fp);
-  if (status == ARES_EOF)
-    status = ARES_ENOTFOUND;
-  if (status != ARES_SUCCESS)
-    *host = NULL;
-  return status;
-}
-
-static void sort_addresses(struct hostent *host, const struct apattern *sortlist,
-                           int nsort)
-{
-  struct in_addr a1, a2;
-  int i1, i2, ind1, ind2;
-
-  /* This is a simple insertion sort, not optimized at all.  i1 walks
-   * through the address list, with the loop invariant that everything
-   * to the left of i1 is sorted.  In the loop body, the value at i1 is moved
-   * back through the list (via i2) until it is in sorted order.
-   */
-  for (i1 = 0; host->h_addr_list[i1]; i1++)
-    {
-      memcpy(&a1, host->h_addr_list[i1], sizeof(struct in_addr));
-      ind1 = get_address_index(&a1, sortlist, nsort);
-      for (i2 = i1 - 1; i2 >= 0; i2--)
-        {
-          memcpy(&a2, host->h_addr_list[i2], sizeof(struct in_addr));
-          ind2 = get_address_index(&a2, sortlist, nsort);
-          if (ind2 <= ind1)
-            break;
-          memcpy(host->h_addr_list[i2 + 1], &a2, sizeof(struct in_addr));
-        }
-      memcpy(host->h_addr_list[i2 + 1], &a1, sizeof(struct in_addr));
-    }
-}
-
-/* Find the first entry in sortlist which matches addr.  Return nsort
- * if none of them match.
- */
-static int get_address_index(const struct in_addr *addr,
-                             const struct apattern *sortlist,
-                             int nsort)
-{
-  int i;
-
-  for (i = 0; i < nsort; i++)
-    {
-      if (sortlist[i].family != AF_INET)
-        continue;
-      if (sortlist[i].type == PATTERN_MASK)
-        {
-          if ((addr->s_addr & sortlist[i].mask.addr4.s_addr)
-              == sortlist[i].addrV4.s_addr)
-            break;
-        }
-      else
-        {
-          if (!ares_bitncmp(&addr->s_addr, &sortlist[i].addrV4.s_addr,
-                            sortlist[i].mask.bits))
-            break;
-        }
-    }
-  return i;
-}
-
-static void sort6_addresses(struct hostent *host, const struct apattern *sortlist,
-                           int nsort)
-{
-  struct in6_addr a1, a2;
-  int i1, i2, ind1, ind2;
-
-  /* This is a simple insertion sort, not optimized at all.  i1 walks
-   * through the address list, with the loop invariant that everything
-   * to the left of i1 is sorted.  In the loop body, the value at i1 is moved
-   * back through the list (via i2) until it is in sorted order.
-   */
-  for (i1 = 0; host->h_addr_list[i1]; i1++)
-    {
-      memcpy(&a1, host->h_addr_list[i1], sizeof(struct in6_addr));
-      ind1 = get6_address_index(&a1, sortlist, nsort);
-      for (i2 = i1 - 1; i2 >= 0; i2--)
-        {
-          memcpy(&a2, host->h_addr_list[i2], sizeof(struct in6_addr));
-          ind2 = get6_address_index(&a2, sortlist, nsort);
-          if (ind2 <= ind1)
-            break;
-          memcpy(host->h_addr_list[i2 + 1], &a2, sizeof(struct in6_addr));
-        }
-      memcpy(host->h_addr_list[i2 + 1], &a1, sizeof(struct in6_addr));
-    }
-}
-
-/* Find the first entry in sortlist which matches addr.  Return nsort
- * if none of them match.
- */
-static int get6_address_index(const struct in6_addr *addr,
-                              const struct apattern *sortlist,
-                              int nsort)
-{
-  int i;
-
-  for (i = 0; i < nsort; i++)
-    {
-      if (sortlist[i].family != AF_INET6)
-        continue;
-        if (!ares_bitncmp(&addr->s6_addr, &sortlist[i].addrV6.s6_addr, sortlist[i].mask.bits))
-          break;
-    }
-  return i;
-}