nsap_22.c revision 474921d733e9592ab93b3905907f2dcb393e12c9
/*
* Copyright (C) 2004, 2005, 2007, 2009, 2013 Internet Systems Consortium, Inc. ("ISC")
* Copyright (C) 1999-2002 Internet Software Consortium.
*
* Permission to use, copy, modify, and/or 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 ISC DISCLAIMS ALL WARRANTIES WITH
* REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
* AND FITNESS. IN NO EVENT SHALL ISC 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: nsap_22.c,v 1.44 2009/12/04 22:06:37 tbox Exp $ */
/* Reviewed: Fri Mar 17 10:41:07 PST 2000 by gson */
/* RFC1706 */
#ifndef RDATA_IN_1_NSAP_22_C
#define RDATA_IN_1_NSAP_22_C
#define RRTYPE_NSAP_ATTRIBUTES (0)
static inline isc_result_t
fromtext_in_nsap(ARGS_FROMTEXT) {
isc_token_t token;
isc_textregion_t *sr;
int n;
isc_boolean_t valid = ISC_FALSE;
int digits = 0;
unsigned char c = 0;
REQUIRE(type == 22);
REQUIRE(rdclass == 1);
UNUSED(type);
UNUSED(origin);
UNUSED(options);
UNUSED(rdclass);
UNUSED(callbacks);
/* 0x<hex.string.with.periods> */
RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_string,
ISC_FALSE));
sr = &token.value.as_textregion;
if (sr->length < 2)
RETTOK(ISC_R_UNEXPECTEDEND);
if (sr->base[0] != '0' || (sr->base[1] != 'x' && sr->base[1] != 'X'))
RETTOK(DNS_R_SYNTAX);
isc_textregion_consume(sr, 2);
while (sr->length > 0) {
if (sr->base[0] == '.') {
isc_textregion_consume(sr, 1);
continue;
}
if ((n = hexvalue(sr->base[0])) == -1)
RETTOK(DNS_R_SYNTAX);
c <<= 4;
c += n;
if (++digits == 2) {
RETERR(mem_tobuffer(target, &c, 1));
valid = ISC_TRUE;
digits = 0;
c = 0;
}
isc_textregion_consume(sr, 1);
}
if (digits != 0 || !valid)
RETTOK(ISC_R_UNEXPECTEDEND);
return (ISC_R_SUCCESS);
}
static inline isc_result_t
totext_in_nsap(ARGS_TOTEXT) {
isc_region_t region;
char buf[sizeof("xx")];
REQUIRE(rdata->type == 22);
REQUIRE(rdata->rdclass == 1);
REQUIRE(rdata->length != 0);
UNUSED(tctx);
dns_rdata_toregion(rdata, &region);
RETERR(str_totext("0x", target));
while (region.length != 0) {
sprintf(buf, "%02x", region.base[0]);
isc_region_consume(&region, 1);
RETERR(str_totext(buf, target));
}
return (ISC_R_SUCCESS);
}
static inline isc_result_t
fromwire_in_nsap(ARGS_FROMWIRE) {
isc_region_t region;
REQUIRE(type == 22);
REQUIRE(rdclass == 1);
UNUSED(type);
UNUSED(dctx);
UNUSED(options);
UNUSED(rdclass);
isc_buffer_activeregion(source, &region);
if (region.length < 1)
return (ISC_R_UNEXPECTEDEND);
RETERR(mem_tobuffer(target, region.base, region.length));
isc_buffer_forward(source, region.length);
return (ISC_R_SUCCESS);
}
static inline isc_result_t
towire_in_nsap(ARGS_TOWIRE) {
REQUIRE(rdata->type == 22);
REQUIRE(rdata->rdclass == 1);
REQUIRE(rdata->length != 0);
UNUSED(cctx);
return (mem_tobuffer(target, rdata->data, rdata->length));
}
static inline int
compare_in_nsap(ARGS_COMPARE) {
isc_region_t r1;
isc_region_t r2;
REQUIRE(rdata1->type == rdata2->type);
REQUIRE(rdata1->rdclass == rdata2->rdclass);
REQUIRE(rdata1->type == 22);
REQUIRE(rdata1->rdclass == 1);
REQUIRE(rdata1->length != 0);
REQUIRE(rdata2->length != 0);
dns_rdata_toregion(rdata1, &r1);
dns_rdata_toregion(rdata2, &r2);
return (isc_region_compare(&r1, &r2));
}
static inline isc_result_t
fromstruct_in_nsap(ARGS_FROMSTRUCT) {
dns_rdata_in_nsap_t *nsap = source;
REQUIRE(type == 22);
REQUIRE(rdclass == 1);
REQUIRE(source != NULL);
REQUIRE(nsap->common.rdtype == type);
REQUIRE(nsap->common.rdclass == rdclass);
REQUIRE(nsap->nsap != NULL || nsap->nsap_len == 0);
UNUSED(type);
UNUSED(rdclass);
return (mem_tobuffer(target, nsap->nsap, nsap->nsap_len));
}
static inline isc_result_t
tostruct_in_nsap(ARGS_TOSTRUCT) {
dns_rdata_in_nsap_t *nsap = target;
isc_region_t r;
REQUIRE(rdata->type == 22);
REQUIRE(rdata->rdclass == 1);
REQUIRE(target != NULL);
REQUIRE(rdata->length != 0);
nsap->common.rdclass = rdata->rdclass;
nsap->common.rdtype = rdata->type;
ISC_LINK_INIT(&nsap->common, link);
dns_rdata_toregion(rdata, &r);
nsap->nsap_len = r.length;
nsap->nsap = mem_maybedup(mctx, r.base, r.length);
if (nsap->nsap == NULL)
return (ISC_R_NOMEMORY);
nsap->mctx = mctx;
return (ISC_R_SUCCESS);
}
static inline void
freestruct_in_nsap(ARGS_FREESTRUCT) {
dns_rdata_in_nsap_t *nsap = source;
REQUIRE(source != NULL);
REQUIRE(nsap->common.rdclass == 1);
REQUIRE(nsap->common.rdtype == 22);
if (nsap->mctx == NULL)
return;
if (nsap->nsap != NULL)
isc_mem_free(nsap->mctx, nsap->nsap);
nsap->mctx = NULL;
}
static inline isc_result_t
additionaldata_in_nsap(ARGS_ADDLDATA) {
REQUIRE(rdata->type == 22);
REQUIRE(rdata->rdclass == 1);
UNUSED(rdata);
UNUSED(add);
UNUSED(arg);
return (ISC_R_SUCCESS);
}
static inline isc_result_t
digest_in_nsap(ARGS_DIGEST) {
isc_region_t r;
REQUIRE(rdata->type == 22);
REQUIRE(rdata->rdclass == 1);
dns_rdata_toregion(rdata, &r);
return ((digest)(arg, &r));
}
static inline isc_boolean_t
checkowner_in_nsap(ARGS_CHECKOWNER) {
REQUIRE(type == 22);
REQUIRE(rdclass == 1);
UNUSED(name);
UNUSED(type);
UNUSED(rdclass);
UNUSED(wildcard);
return (ISC_TRUE);
}
static inline isc_boolean_t
checknames_in_nsap(ARGS_CHECKNAMES) {
REQUIRE(rdata->type == 22);
REQUIRE(rdata->rdclass == 1);
UNUSED(rdata);
UNUSED(owner);
UNUSED(bad);
return (ISC_TRUE);
}
static inline int
casecompare_in_nsap(ARGS_COMPARE) {
return (compare_in_nsap(rdata1, rdata2));
}
#endif /* RDATA_IN_1_NSAP_22_C */