mg_8.c revision b0ba1a6059b6d6c4b3aa77d8bc84cc443b981e01
5784N/A/*
5784N/A * Copyright (C) 2004, 2007, 2009 Internet Systems Consortium, Inc. ("ISC")
5784N/A * Copyright (C) 1998-2001 Internet Software Consortium.
5784N/A *
5784N/A * Permission to use, copy, modify, and/or distribute this software for any
5784N/A * purpose with or without fee is hereby granted, provided that the above
5784N/A * copyright notice and this permission notice appear in all copies.
5784N/A *
5784N/A * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
6982N/A * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
6982N/A * AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
5784N/A * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
5784N/A * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
5784N/A * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
6982N/A * PERFORMANCE OF THIS SOFTWARE.
5784N/A */
6982N/A
6982N/A/* $Id: mg_8.c,v 1.45 2009/12/04 22:06:37 tbox Exp $ */
6982N/A
6982N/A/* reviewed: Wed Mar 15 17:49:21 PST 2000 by brister */
5784N/A
5784N/A#ifndef RDATA_GENERIC_MG_8_C
5784N/A#define RDATA_GENERIC_MG_8_C
5784N/A
5784N/A#define RRTYPE_MG_ATTRIBUTES (0)
5784N/A
5784N/Astatic inline isc_result_t
5784N/Afromtext_mg(ARGS_FROMTEXT) {
5784N/A isc_token_t token;
5784N/A dns_name_t name;
5784N/A isc_buffer_t buffer;
5784N/A
5784N/A REQUIRE(type == dns_rdatatype_mg);
5784N/A
5784N/A UNUSED(type);
5784N/A UNUSED(rdclass);
5784N/A UNUSED(callbacks);
5784N/A
5784N/A RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_string,
5784N/A ISC_FALSE));
5784N/A
5784N/A dns_name_init(&name, NULL);
5784N/A buffer_fromregion(&buffer, &token.value.as_region);
5784N/A origin = (origin != NULL) ? origin : dns_rootname;
5784N/A RETTOK(dns_name_fromtext(&name, &buffer, origin, options, target));
5784N/A return (ISC_R_SUCCESS);
5784N/A}
5784N/A
5784N/Astatic inline isc_result_t
5784N/Atotext_mg(ARGS_TOTEXT) {
5784N/A isc_region_t region;
5784N/A dns_name_t name;
5784N/A dns_name_t prefix;
5784N/A isc_boolean_t sub;
5784N/A
5784N/A REQUIRE(rdata->type == dns_rdatatype_mg);
5784N/A REQUIRE(rdata->length != 0);
5784N/A
5784N/A dns_name_init(&name, NULL);
5784N/A dns_name_init(&prefix, NULL);
5784N/A
5784N/A dns_rdata_toregion(rdata, &region);
5784N/A dns_name_fromregion(&name, &region);
5784N/A
5784N/A sub = name_prefix(&name, tctx->origin, &prefix);
5784N/A
5784N/A return (dns_name_totext(&prefix, sub, target));
5784N/A}
5784N/A
5784N/Astatic inline isc_result_t
5784N/Afromwire_mg(ARGS_FROMWIRE) {
5784N/A dns_name_t name;
5784N/A
5784N/A REQUIRE(type == dns_rdatatype_mg);
5784N/A
5784N/A UNUSED(type);
5784N/A UNUSED(rdclass);
5784N/A
5784N/A dns_decompress_setmethods(dctx, DNS_COMPRESS_GLOBAL14);
5784N/A
5784N/A dns_name_init(&name, NULL);
5784N/A return (dns_name_fromwire(&name, source, dctx, options, target));
5784N/A}
5784N/A
5784N/Astatic inline isc_result_t
5784N/Atowire_mg(ARGS_TOWIRE) {
5784N/A dns_name_t name;
5784N/A dns_offsets_t offsets;
5784N/A isc_region_t region;
5784N/A
5784N/A REQUIRE(rdata->type == dns_rdatatype_mg);
5784N/A REQUIRE(rdata->length != 0);
5784N/A
5784N/A dns_compress_setmethods(cctx, DNS_COMPRESS_GLOBAL14);
5784N/A
5784N/A dns_name_init(&name, offsets);
5784N/A dns_rdata_toregion(rdata, &region);
5784N/A dns_name_fromregion(&name, &region);
5784N/A
5784N/A return (dns_name_towire(&name, cctx, target));
5784N/A}
5784N/A
5784N/Astatic inline int
5784N/Acompare_mg(ARGS_COMPARE) {
5784N/A dns_name_t name1;
5784N/A dns_name_t name2;
5784N/A isc_region_t region1;
5784N/A isc_region_t region2;
5784N/A
5784N/A REQUIRE(rdata1->type == rdata2->type);
5784N/A REQUIRE(rdata1->rdclass == rdata2->rdclass);
5784N/A REQUIRE(rdata1->type == dns_rdatatype_mg);
5784N/A REQUIRE(rdata1->length != 0);
5784N/A REQUIRE(rdata2->length != 0);
5784N/A
5784N/A dns_name_init(&name1, NULL);
5784N/A dns_name_init(&name2, NULL);
5784N/A
5784N/A dns_rdata_toregion(rdata1, &region1);
5784N/A dns_rdata_toregion(rdata2, &region2);
5784N/A
5784N/A dns_name_fromregion(&name1, &region1);
5784N/A dns_name_fromregion(&name2, &region2);
5784N/A
5784N/A return (dns_name_rdatacompare(&name1, &name2));
5784N/A}
5784N/A
5784N/Astatic inline isc_result_t
5784N/Afromstruct_mg(ARGS_FROMSTRUCT) {
5784N/A dns_rdata_mg_t *mg = source;
5784N/A isc_region_t region;
5784N/A
5784N/A REQUIRE(type == dns_rdatatype_mg);
5784N/A REQUIRE(source != NULL);
5784N/A REQUIRE(mg->common.rdtype == type);
5784N/A REQUIRE(mg->common.rdclass == rdclass);
5784N/A
5784N/A UNUSED(type);
5784N/A UNUSED(rdclass);
5784N/A
dns_name_toregion(&mg->mg, &region);
return (isc_buffer_copyregion(target, &region));
}
static inline isc_result_t
tostruct_mg(ARGS_TOSTRUCT) {
isc_region_t region;
dns_rdata_mg_t *mg = target;
dns_name_t name;
REQUIRE(rdata->type == dns_rdatatype_mg);
REQUIRE(target != NULL);
REQUIRE(rdata->length != 0);
mg->common.rdclass = rdata->rdclass;
mg->common.rdtype = rdata->type;
ISC_LINK_INIT(&mg->common, link);
dns_name_init(&name, NULL);
dns_rdata_toregion(rdata, &region);
dns_name_fromregion(&name, &region);
dns_name_init(&mg->mg, NULL);
RETERR(name_duporclone(&name, mctx, &mg->mg));
mg->mctx = mctx;
return (ISC_R_SUCCESS);
}
static inline void
freestruct_mg(ARGS_FREESTRUCT) {
dns_rdata_mg_t *mg = source;
REQUIRE(source != NULL);
REQUIRE(mg->common.rdtype == dns_rdatatype_mg);
if (mg->mctx == NULL)
return;
dns_name_free(&mg->mg, mg->mctx);
mg->mctx = NULL;
}
static inline isc_result_t
additionaldata_mg(ARGS_ADDLDATA) {
REQUIRE(rdata->type == dns_rdatatype_mg);
UNUSED(add);
UNUSED(arg);
UNUSED(rdata);
return (ISC_R_SUCCESS);
}
static inline isc_result_t
digest_mg(ARGS_DIGEST) {
isc_region_t r;
dns_name_t name;
REQUIRE(rdata->type == dns_rdatatype_mg);
dns_rdata_toregion(rdata, &r);
dns_name_init(&name, NULL);
dns_name_fromregion(&name, &r);
return (dns_name_digest(&name, digest, arg));
}
static inline isc_boolean_t
checkowner_mg(ARGS_CHECKOWNER) {
REQUIRE(type == dns_rdatatype_mg);
UNUSED(type);
UNUSED(rdclass);
UNUSED(wildcard);
return (dns_name_ismailbox(name));
}
static inline isc_boolean_t
checknames_mg(ARGS_CHECKNAMES) {
REQUIRE(rdata->type == dns_rdatatype_mg);
UNUSED(rdata);
UNUSED(owner);
UNUSED(bad);
return (ISC_TRUE);
}
static inline int
casecompare_mg(ARGS_COMPARE) {
return (compare_mg(rdata1, rdata2));
}
#endif /* RDATA_GENERIC_MG_8_C */