From 4259d2df7dd95637a4b1e3fb174fe5e5aef81069 Mon Sep 17 00:00:00 2001 From: Daniel Stenberg Date: Wed, 24 Mar 2010 10:34:30 +0100 Subject: remove the ares subtree c-ares is now hosted entirely separate from the curl project see http://c-ares.haxx.se/ for all details concerning c-ares, its source repository and more. --- ares/ares_parse_ns_reply.c | 182 --------------------------------------------- 1 file changed, 182 deletions(-) delete mode 100644 ares/ares_parse_ns_reply.c (limited to 'ares/ares_parse_ns_reply.c') diff --git a/ares/ares_parse_ns_reply.c b/ares/ares_parse_ns_reply.c deleted file mode 100644 index 25c632994..000000000 --- a/ares/ares_parse_ns_reply.c +++ /dev/null @@ -1,182 +0,0 @@ -/* $Id */ - -/* 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. - */ - -/* - * ares_parse_ns_reply created by Vlad Dinulescu - * on behalf of AVIRA Gmbh - http://www.avira.com - */ - -#include "ares_setup.h" - -#ifdef HAVE_SYS_SOCKET_H -# include -#endif -#ifdef HAVE_NETINET_IN_H -# include -#endif -#ifdef HAVE_NETDB_H -# include -#endif -#ifdef HAVE_ARPA_INET_H -# include -#endif -#ifdef HAVE_ARPA_NAMESER_H -# include -#else -# include "nameser.h" -#endif -#ifdef HAVE_ARPA_NAMESER_COMPAT_H -# include -#endif - -#include -#include -#include "ares.h" -#include "ares_dns.h" -#include "ares_private.h" - -int ares_parse_ns_reply( const unsigned char* abuf, int alen, - struct hostent** host ) -{ - unsigned int qdcount, ancount; - int status, i, rr_type, rr_class, rr_len; - int nameservers_num; - long len; - const unsigned char *aptr; - char* hostname, *rr_name, *rr_data, **nameservers; - struct hostent *hostent; - - /* 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, &hostname, &len); - if ( status != ARES_SUCCESS ) - return status; - if ( aptr + len + QFIXEDSZ > abuf + alen ) - { - free( hostname ); - return ARES_EBADRESP; - } - aptr += len + QFIXEDSZ; - - /* Allocate nameservers array; ancount gives an upper bound */ - nameservers = malloc( ( ancount + 1 ) * sizeof( char * ) ); - if ( !nameservers ) - { - free( hostname ); - return ARES_ENOMEM; - } - nameservers_num = 0; - - /* Examine each answer resource record (RR) in turn. */ - 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_NS ) - { - /* Decode the RR data and add it to the nameservers list */ - status = ares__expand_name_for_response( aptr, abuf, alen, &rr_data, - &len); - if ( status != ARES_SUCCESS ) - { - break; - } - - nameservers[nameservers_num] = malloc(strlen(rr_data)+1); - - if (nameservers[nameservers_num]==NULL) - { - free(rr_name); - free(rr_data); - status=ARES_ENOMEM; - break; - } - strcpy(nameservers[nameservers_num],rr_data); - free(rr_data); - - nameservers_num++; - } - - free( rr_name ); - - aptr += rr_len; - if ( aptr > abuf + alen ) - { - status = ARES_EBADRESP; - break; - } - } - - if ( status == ARES_SUCCESS && nameservers_num == 0 ) - { - status = ARES_ENODATA; - } - if ( status == ARES_SUCCESS ) - { - /* We got our answer. Allocate memory to build the host entry. */ - nameservers[nameservers_num] = NULL; - hostent = malloc( sizeof( struct hostent ) ); - if ( hostent ) - { - hostent->h_addr_list = malloc( 1 * sizeof( char * ) ); - if ( hostent->h_addr_list ) - { - /* Fill in the hostent and return successfully. */ - hostent->h_name = hostname; - hostent->h_aliases = nameservers; - hostent->h_addrtype = AF_INET; - hostent->h_length = sizeof( struct in_addr ); - hostent->h_addr_list[0] = NULL; - *host = hostent; - return ARES_SUCCESS; - } - free( hostent ); - } - status = ARES_ENOMEM; - } - for ( i = 0; i < nameservers_num; i++ ) - free( nameservers[i] ); - free( nameservers ); - free( hostname ); - return status; -} -- cgit v1.2.3