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authorRemko Tronçon <git@el-tramo.be>2012-04-01 09:27:45 (GMT)
committerRemko Tronçon <git@el-tramo.be>2012-04-01 09:27:45 (GMT)
commite9a33e1cfc91af374f928931f47b19f53cb165d7 (patch)
treef0a72876d8b0f53f6e5a335321aca785e81129dd /3rdParty/CAres/src/ares_parse_ptr_reply.c
parent950dfa7923f62297429e49a135e4fb363447366d (diff)
downloadswift-contrib-e9a33e1cfc91af374f928931f47b19f53cb165d7.zip
swift-contrib-e9a33e1cfc91af374f928931f47b19f53cb165d7.tar.bz2
Removing CAres resolver.
This has never been used.
Diffstat (limited to '3rdParty/CAres/src/ares_parse_ptr_reply.c')
-rw-r--r--3rdParty/CAres/src/ares_parse_ptr_reply.c209
1 files changed, 0 insertions, 209 deletions
diff --git a/3rdParty/CAres/src/ares_parse_ptr_reply.c b/3rdParty/CAres/src/ares_parse_ptr_reply.c
deleted file mode 100644
index 6f039b9..0000000
--- a/3rdParty/CAres/src/ares_parse_ptr_reply.c
+++ /dev/null
@@ -1,209 +0,0 @@
-/* $Id: ares_parse_ptr_reply.c,v 1.21 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_NAMESER_H
-# include <arpa/nameser.h>
-#else
-# include "nameser.h"
-#endif
-#ifdef HAVE_ARPA_NAMESER_COMPAT_H
-# include <arpa/nameser_compat.h>
-#endif
-
-#ifdef HAVE_STRINGS_H
-# include <strings.h>
-#endif
-
-#include <stdlib.h>
-#include <string.h>
-#include "ares.h"
-#include "ares_dns.h"
-#include "ares_private.h"
-
-int ares_parse_ptr_reply(const unsigned char *abuf, int alen, const void *addr,
- int addrlen, int family, struct hostent **host)
-{
- unsigned int qdcount, ancount;
- int status, i, rr_type, rr_class, rr_len;
- long len;
- const unsigned char *aptr;
- char *ptrname, *hostname, *rr_name, *rr_data;
- struct hostent *hostent;
- int aliascnt = 0;
- int alias_alloc = 8;
- char ** aliases;
-
- /* Set *host to NULL for all failure cases. */
- *host = NULL;
-
- /* Give up if abuf doesn't have room for a header. */
- if (alen < HFIXEDSZ)
- return ARES_EBADRESP;
-
- /* Fetch the question and answer count from the header. */
- qdcount = DNS_HEADER_QDCOUNT(abuf);
- ancount = DNS_HEADER_ANCOUNT(abuf);
- if (qdcount != 1)
- return ARES_EBADRESP;
-
- /* Expand the name from the question, and skip past the question. */
- aptr = abuf + HFIXEDSZ;
- status = ares__expand_name_for_response(aptr, abuf, alen, &ptrname, &len);
- if (status != ARES_SUCCESS)
- return status;
- if (aptr + len + QFIXEDSZ > abuf + alen)
- {
- free(ptrname);
- return ARES_EBADRESP;
- }
- aptr += len + QFIXEDSZ;
-
- /* Examine each answer resource record (RR) in turn. */
- hostname = NULL;
- aliases = malloc(alias_alloc * sizeof(char *));
- if (!aliases)
- {
- free(ptrname);
- return ARES_ENOMEM;
- }
- for (i = 0; i < (int)ancount; i++)
- {
- /* Decode the RR up to the data field. */
- status = ares__expand_name_for_response(aptr, abuf, alen, &rr_name, &len);
- if (status != ARES_SUCCESS)
- break;
- aptr += len;
- if (aptr + RRFIXEDSZ > abuf + alen)
- {
- status = ARES_EBADRESP;
- break;
- }
- rr_type = DNS_RR_TYPE(aptr);
- rr_class = DNS_RR_CLASS(aptr);
- rr_len = DNS_RR_LEN(aptr);
- aptr += RRFIXEDSZ;
-
- if (rr_class == C_IN && rr_type == T_PTR
- && strcasecmp(rr_name, ptrname) == 0)
- {
- /* Decode the RR data and set hostname to it. */
- status = ares__expand_name_for_response(aptr, abuf, alen, &rr_data,
- &len);
- if (status != ARES_SUCCESS)
- break;
- if (hostname)
- free(hostname);
- hostname = rr_data;
- aliases[aliascnt] = malloc((strlen(rr_data)+1) * sizeof(char *));
- if (!aliases[aliascnt])
- {
- status = ARES_ENOMEM;
- break;
- }
- strncpy(aliases[aliascnt], rr_data, strlen(rr_data)+1);
- aliascnt++;
- if (aliascnt >= alias_alloc) {
- char **ptr;
- alias_alloc *= 2;
- ptr = realloc(aliases, alias_alloc * sizeof(char *));
- if(!ptr) {
- status = ARES_ENOMEM;
- break;
- }
- aliases = ptr;
- }
- }
-
- if (rr_class == C_IN && rr_type == T_CNAME)
- {
- /* Decode the RR data and replace ptrname with it. */
- status = ares__expand_name_for_response(aptr, abuf, alen, &rr_data,
- &len);
- if (status != ARES_SUCCESS)
- break;
- free(ptrname);
- ptrname = rr_data;
- }
-
- free(rr_name);
- aptr += rr_len;
- if (aptr > abuf + alen)
- {
- status = ARES_EBADRESP;
- break;
- }
- }
-
- if (status == ARES_SUCCESS && !hostname)
- status = ARES_ENODATA;
- if (status == ARES_SUCCESS)
- {
- /* We got our answer. Allocate memory to build the host entry. */
- hostent = malloc(sizeof(struct hostent));
- if (hostent)
- {
- hostent->h_addr_list = malloc(2 * sizeof(char *));
- if (hostent->h_addr_list)
- {
- hostent->h_addr_list[0] = malloc(addrlen);
- if (hostent->h_addr_list[0])
- {
- hostent->h_aliases = malloc((aliascnt+1) * sizeof (char *));
- if (hostent->h_aliases)
- {
- /* Fill in the hostent and return successfully. */
- hostent->h_name = hostname;
- for (i=0 ; i<aliascnt ; i++)
- hostent->h_aliases[i] = aliases[i];
- hostent->h_aliases[aliascnt] = NULL;
- hostent->h_addrtype = family;
- hostent->h_length = addrlen;
- memcpy(hostent->h_addr_list[0], addr, addrlen);
- hostent->h_addr_list[1] = NULL;
- *host = hostent;
- free(aliases);
- free(ptrname);
- return ARES_SUCCESS;
- }
- free(hostent->h_addr_list[0]);
- }
- free(hostent->h_addr_list);
- }
- free(hostent);
- }
- status = ARES_ENOMEM;
- }
- for (i=0 ; i<aliascnt ; i++)
- if (aliases[i])
- free(aliases[i]);
- free(aliases);
- if (hostname)
- free(hostname);
- free(ptrname);
- return status;
-}