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-rw-r--r--deps/node/deps/cares/src/ares_parse_mx_reply.c170
1 files changed, 0 insertions, 170 deletions
diff --git a/deps/node/deps/cares/src/ares_parse_mx_reply.c b/deps/node/deps/cares/src/ares_parse_mx_reply.c
deleted file mode 100644
index e6336473..00000000
--- a/deps/node/deps/cares/src/ares_parse_mx_reply.c
+++ /dev/null
@@ -1,170 +0,0 @@
-
-/* Copyright 1998 by the Massachusetts Institute of Technology.
- * Copyright (C) 2010 Jeremy Lal <kapouer@melix.org>
- *
- * 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_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 "ares.h"
-#include "ares_dns.h"
-#include "ares_data.h"
-#include "ares_private.h"
-
-int
-ares_parse_mx_reply (const unsigned char *abuf, int alen,
- struct ares_mx_reply **mx_out)
-{
- unsigned int qdcount, ancount, i;
- const unsigned char *aptr, *vptr;
- int status, rr_type, rr_class, rr_len;
- long len;
- char *hostname = NULL, *rr_name = NULL;
- struct ares_mx_reply *mx_head = NULL;
- struct ares_mx_reply *mx_last = NULL;
- struct ares_mx_reply *mx_curr;
-
- /* Set *mx_out to NULL for all failure cases. */
- *mx_out = 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;
- if (ancount == 0)
- return ARES_ENODATA;
-
- /* Expand the name from the question, and skip past the question. */
- aptr = abuf + HFIXEDSZ;
- status = ares_expand_name (aptr, abuf, alen, &hostname, &len);
- if (status != ARES_SUCCESS)
- return status;
-
- if (aptr + len + QFIXEDSZ > abuf + alen)
- {
- ares_free (hostname);
- return ARES_EBADRESP;
- }
- aptr += len + QFIXEDSZ;
-
- /* Examine each answer resource record (RR) in turn. */
- for (i = 0; i < ancount; i++)
- {
- /* Decode the RR up to the data field. */
- status = ares_expand_name (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 (aptr + rr_len > abuf + alen)
- {
- status = ARES_EBADRESP;
- break;
- }
-
- /* Check if we are really looking at a MX record */
- if (rr_class == C_IN && rr_type == T_MX)
- {
- /* parse the MX record itself */
- if (rr_len < 2)
- {
- status = ARES_EBADRESP;
- break;
- }
-
- /* Allocate storage for this MX answer appending it to the list */
- mx_curr = ares_malloc_data(ARES_DATATYPE_MX_REPLY);
- if (!mx_curr)
- {
- status = ARES_ENOMEM;
- break;
- }
- if (mx_last)
- {
- mx_last->next = mx_curr;
- }
- else
- {
- mx_head = mx_curr;
- }
- mx_last = mx_curr;
-
- vptr = aptr;
- mx_curr->priority = DNS__16BIT(vptr);
- vptr += sizeof(unsigned short);
-
- status = ares_expand_name (vptr, abuf, alen, &mx_curr->host, &len);
- if (status != ARES_SUCCESS)
- break;
- }
-
- /* Don't lose memory in the next iteration */
- ares_free (rr_name);
- rr_name = NULL;
-
- /* Move on to the next record */
- aptr += rr_len;
- }
-
- if (hostname)
- ares_free (hostname);
- if (rr_name)
- ares_free (rr_name);
-
- /* clean up on error */
- if (status != ARES_SUCCESS)
- {
- if (mx_head)
- ares_free_data (mx_head);
- return status;
- }
-
- /* everything looks fine, return the data */
- *mx_out = mx_head;
-
- return ARES_SUCCESS;
-}