wks_11.c revision 44a966dff66061ac3f266c6b451a70733eb78e82
/*
* Copyright (C) 1998 Internet Software Consortium.
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM DISCLAIMS
* ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL INTERNET SOFTWARE
* CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
* DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
* PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
* ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
* SOFTWARE.
*/
/* $Id: wks_11.c,v 1.1 1999/01/21 06:02:15 marka Exp $ */
#ifndef RDATA_IN_1_WKS_11_H
#define RDATA_IN_1_WKS_11_H
#include <sys/types.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <sys/socket.h>
#include <limits.h>
#include <netdb.h>
#include <stdlib.h>
#include <string.h>
static dns_result_t
fromtext_in_wks(dns_rdataclass_t class, dns_rdatatype_t type,
isc_lex_t *lexer, dns_name_t *origin,
isc_boolean_t downcase, isc_buffer_t *target) {
isc_token_t token;
dns_result_t result;
isc_region_t region;
struct in_addr addr;
struct protoent *pe;
struct servent *se;
char *e;
long proto;
unsigned char bm[8*1024];
long port;
long maxport = -1;
char *ps = NULL;
unsigned int n;
REQUIRE(type == 11);
REQUIRE(class == 1);
origin = origin; /*unused*/
downcase = downcase; /*unused*/
/* IPv4 dotted quad */
result = gettoken(lexer, &token, isc_tokentype_string, ISC_FALSE);
if (result != DNS_R_SUCCESS)
return (result);
isc_buffer_available(target, &region);
if (inet_aton(token.value.as_pointer , &addr) != 1)
return (DNS_R_BADDOTTEDQUAD);
if (region.length < 4)
return (DNS_R_NOSPACE);
memcpy(region.base, &addr, 4);
isc_buffer_add(target, 4);
/* protocol */
result = gettoken(lexer, &token, isc_tokentype_string, ISC_FALSE);
if (result != DNS_R_SUCCESS)
return (result);
proto = strtol(token.value.as_pointer, &e, 10);
if (*e == '\0')
(void)NULL;
else if ((pe = getprotobyname(token.value.as_pointer)) != NULL)
proto = pe->p_proto;
else
return (DNS_R_UNEXPECTED);
if (proto < 0 || proto > 0xffff)
return (DNS_R_RANGE);
if (proto == IPPROTO_TCP)
ps = "tcp";
else if (proto == IPPROTO_UDP)
ps = "udp";
result = uint16_tobuffer(proto, target);
memset(bm, 0, sizeof bm);
while (1) {
result = gettoken(lexer, &token, isc_tokentype_string,
ISC_TRUE);
if (result != DNS_R_SUCCESS)
return (result);
if (token.type == isc_tokentype_eol ||
token.type == isc_tokentype_eof)
break;
port = strtol(token.value.as_pointer, &e, 10);
if (*e == '\0')
(void) NULL;
else if ((se = getservbyname(token.value.as_pointer, ps))
!= NULL)
port = ntohs(se->s_port);
else
return (DNS_R_UNEXPECTED);
if (port < 0 || port > 0xffff)
return (DNS_R_RANGE);
if (port > maxport)
maxport = port;
bm[port/8] |= (0x80>>(port%8));
}
isc_lex_ungettoken(lexer, &token);
n = (maxport + 8) / 8;
return (mem_tobuffer(target, bm, n));
}
static dns_result_t
totext_in_wks(dns_rdata_t *rdata, dns_name_t *origin, isc_buffer_t *target) {
isc_region_t sr;
isc_region_t tr;
unsigned short proto;
char buf[sizeof "65535"];
dns_result_t result;
unsigned int i, j;
REQUIRE(rdata->type == 11);
REQUIRE(rdata->class == 1);
origin = origin;
dns_rdata_toregion(rdata, &sr);
isc_buffer_available(target, &tr);
if (inet_ntop(AF_INET, sr.base, tr.base, tr.length) == NULL)
return (DNS_R_NOSPACE);
isc_buffer_add(target, strlen(tr.base));
isc_region_consume(&sr, 4);
proto = uint16_fromregion(&sr);
sprintf(buf, "%u", proto);
result = str_totext(" ", target);
if (result != DNS_R_SUCCESS)
return (result);
result = str_totext(buf, target);
if (result != DNS_R_SUCCESS)
return (result);
isc_region_consume(&sr, 2);
result = str_totext(" (", target);
if (result != DNS_R_SUCCESS)
return (result);
for (i = 0 ; i < sr.length ; i++) {
if (sr.base[i] != 0)
for (j = 0; j < 8; j++)
if ((sr.base[i] & (0x80>>j)) != 0) {
sprintf(buf, "%u", i * 8 + j);
result = str_totext(" ", target);
if (result != DNS_R_SUCCESS)
return (result);
result = str_totext(buf, target);
if (result != DNS_R_SUCCESS)
return (result);
}
}
result = str_totext(" )", target);
return (DNS_R_SUCCESS);
}
static dns_result_t
fromwire_in_wks(dns_rdataclass_t class, dns_rdatatype_t type,
isc_buffer_t *source, dns_decompress_t *dctx,
isc_boolean_t downcase, isc_buffer_t *target) {
isc_region_t sr;
isc_region_t tr;
REQUIRE(type == 11);
REQUIRE(class == 1);
dctx = dctx; /*unused*/
downcase = downcase; /*unused*/
isc_buffer_active(source, &sr);
isc_buffer_available(target, &tr);
if (sr.length < 6)
return (DNS_R_UNEXPECTEDEND);
if (sr.length > 8 * 1024 + 6)
return (DNS_R_EXTRADATA);
if (tr.length < sr.length)
return (DNS_R_NOSPACE);
memcpy(tr.base, sr.base, sr.length);
isc_buffer_add(target, sr.length);
isc_buffer_forward(source, sr.length);
return (DNS_R_SUCCESS);
}
static dns_result_t
towire_in_wks(dns_rdata_t *rdata, dns_compress_t *cctx, isc_buffer_t *target) {
isc_region_t sr;
REQUIRE(rdata->type == 11);
REQUIRE(rdata->class == 1);
cctx = cctx; /*unused*/
dns_rdata_toregion(rdata, &sr);
return (mem_tobuffer(target, sr.base, sr.length));
}
static int
compare_in_wks(dns_rdata_t *rdata1, dns_rdata_t *rdata2) {
isc_region_t r1;
isc_region_t r2;
REQUIRE(rdata1->type == rdata2->type);
REQUIRE(rdata1->class == rdata2->class);
REQUIRE(rdata1->type == 11);
REQUIRE(rdata1->class == 1);
dns_rdata_toregion(rdata1, &r1);
dns_rdata_toregion(rdata2, &r2);
return (compare_region(&r1, &r2));
}
static dns_result_t
fromstruct_in_wks(dns_rdataclass_t class, dns_rdatatype_t type, void *source,
isc_buffer_t *target) {
REQUIRE(type == 11);
REQUIRE(class == 1);
source = source;
target = target;
return (DNS_R_NOTIMPLEMENTED);
}
static dns_result_t
tostruct_in_wks(dns_rdata_t *rdata, void *target) {
REQUIRE(rdata->type == 11);
REQUIRE(rdata->class == 1);
target = target;
return (DNS_R_NOTIMPLEMENTED);
}
#endif /* RDATA_IN_1_WKS_11_H */