lp_107.c revision 0c27b3fe77ac1d5094ba3521e8142d9e7973133f
/*
* Copyright (C) 2013, 2015, 2016 Internet Systems Consortium, Inc. ("ISC")
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
#ifndef RDATA_GENERIC_LP_107_C
#define RDATA_GENERIC_LP_107_C
#include <string.h>
#include <isc/net.h>
#define RRTYPE_LP_ATTRIBUTES (0)
static inline isc_result_t
fromtext_lp(ARGS_FROMTEXT) {
isc_token_t token;
dns_name_t name;
isc_buffer_t buffer;
REQUIRE(type == dns_rdatatype_lp);
UNUSED(type);
UNUSED(rdclass);
UNUSED(callbacks);
RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_number,
ISC_FALSE));
if (token.value.as_ulong > 0xffffU)
RETTOK(ISC_R_RANGE);
RETERR(uint16_tobuffer(token.value.as_ulong, target));
RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_string,
ISC_FALSE));
dns_name_init(&name, NULL);
buffer_fromregion(&buffer, &token.value.as_region);
if (origin == NULL)
origin = dns_rootname;
return (dns_name_fromtext(&name, &buffer, origin, options, target));
}
static inline isc_result_t
totext_lp(ARGS_TOTEXT) {
isc_region_t region;
dns_name_t name;
dns_name_t prefix;
isc_boolean_t sub;
char buf[sizeof("64000")];
unsigned short num;
REQUIRE(rdata->type == dns_rdatatype_lp);
REQUIRE(rdata->length != 0);
dns_name_init(&name, NULL);
dns_name_init(&prefix, NULL);
dns_rdata_toregion(rdata, &region);
num = uint16_fromregion(&region);
isc_region_consume(&region, 2);
sprintf(buf, "%u", num);
RETERR(str_totext(buf, target));
RETERR(str_totext(" ", target));
dns_name_fromregion(&name, &region);
sub = name_prefix(&name, tctx->origin, &prefix);
return (dns_name_totext(&prefix, sub, target));
}
static inline isc_result_t
fromwire_lp(ARGS_FROMWIRE) {
dns_name_t name;
isc_region_t sregion;
REQUIRE(type == dns_rdatatype_lp);
UNUSED(type);
UNUSED(rdclass);
dns_decompress_setmethods(dctx, DNS_COMPRESS_GLOBAL14);
dns_name_init(&name, NULL);
isc_buffer_activeregion(source, &sregion);
if (sregion.length < 2)
return (ISC_R_UNEXPECTEDEND);
RETERR(mem_tobuffer(target, sregion.base, 2));
isc_buffer_forward(source, 2);
return (dns_name_fromwire(&name, source, dctx, options, target));
}
static inline isc_result_t
towire_lp(ARGS_TOWIRE) {
REQUIRE(rdata->type == dns_rdatatype_lp);
REQUIRE(rdata->length != 0);
UNUSED(cctx);
return (mem_tobuffer(target, rdata->data, rdata->length));
}
static inline int
compare_lp(ARGS_COMPARE) {
isc_region_t region1;
isc_region_t region2;
REQUIRE(rdata1->type == rdata2->type);
REQUIRE(rdata1->rdclass == rdata2->rdclass);
REQUIRE(rdata1->type == dns_rdatatype_lp);
REQUIRE(rdata1->length != 0);
REQUIRE(rdata2->length != 0);
dns_rdata_toregion(rdata1, &region1);
dns_rdata_toregion(rdata2, &region2);
return (isc_region_compare(&region1, &region2));
}
static inline isc_result_t
fromstruct_lp(ARGS_FROMSTRUCT) {
dns_rdata_lp_t *lp = source;
isc_region_t region;
REQUIRE(type == dns_rdatatype_lp);
REQUIRE(source != NULL);
REQUIRE(lp->common.rdtype == type);
REQUIRE(lp->common.rdclass == rdclass);
UNUSED(type);
UNUSED(rdclass);
RETERR(uint16_tobuffer(lp->pref, target));
dns_name_toregion(&lp->lp, &region);
return (isc_buffer_copyregion(target, &region));
}
static inline isc_result_t
tostruct_lp(ARGS_TOSTRUCT) {
isc_region_t region;
dns_rdata_lp_t *lp = target;
dns_name_t name;
REQUIRE(rdata->type == dns_rdatatype_lp);
REQUIRE(target != NULL);
REQUIRE(rdata->length != 0);
lp->common.rdclass = rdata->rdclass;
lp->common.rdtype = rdata->type;
ISC_LINK_INIT(&lp->common, link);
dns_name_init(&name, NULL);
dns_rdata_toregion(rdata, &region);
lp->pref = uint16_fromregion(&region);
isc_region_consume(&region, 2);
dns_name_fromregion(&name, &region);
dns_name_init(&lp->lp, NULL);
RETERR(name_duporclone(&name, mctx, &lp->lp));
lp->mctx = mctx;
return (ISC_R_SUCCESS);
}
static inline void
freestruct_lp(ARGS_FREESTRUCT) {
dns_rdata_lp_t *lp = source;
REQUIRE(source != NULL);
REQUIRE(lp->common.rdtype == dns_rdatatype_lp);
if (lp->mctx == NULL)
return;
dns_name_free(&lp->lp, lp->mctx);
lp->mctx = NULL;
}
static inline isc_result_t
additionaldata_lp(ARGS_ADDLDATA) {
dns_name_t name;
dns_offsets_t offsets;
isc_region_t region;
isc_result_t result;
REQUIRE(rdata->type == dns_rdatatype_lp);
dns_name_init(&name, offsets);
dns_rdata_toregion(rdata, &region);
isc_region_consume(&region, 2);
dns_name_fromregion(&name, &region);
result = (add)(arg, &name, dns_rdatatype_l32);
if (result != ISC_R_SUCCESS)
return (result);
return ((add)(arg, &name, dns_rdatatype_l64));
}
static inline isc_result_t
digest_lp(ARGS_DIGEST) {
isc_region_t region;
REQUIRE(rdata->type == dns_rdatatype_lp);
dns_rdata_toregion(rdata, &region);
return ((digest)(arg, &region));
}
static inline isc_boolean_t
checkowner_lp(ARGS_CHECKOWNER) {
REQUIRE(type == dns_rdatatype_lp);
UNUSED(type);
UNUSED(rdclass);
UNUSED(name);
UNUSED(wildcard);
return (ISC_TRUE);
}
static inline isc_boolean_t
checknames_lp(ARGS_CHECKNAMES) {
REQUIRE(rdata->type == dns_rdatatype_lp);
UNUSED(bad);
UNUSED(owner);
return (ISC_TRUE);
}
static inline int
casecompare_lp(ARGS_COMPARE) {
dns_name_t name1;
dns_name_t name2;
isc_region_t region1;
isc_region_t region2;
int order;
REQUIRE(rdata1->type == rdata2->type);
REQUIRE(rdata1->rdclass == rdata2->rdclass);
REQUIRE(rdata1->type == dns_rdatatype_lp);
REQUIRE(rdata1->length != 0);
REQUIRE(rdata2->length != 0);
order = memcmp(rdata1->data, rdata2->data, 2);
if (order != 0)
return (order < 0 ? -1 : 1);
dns_name_init(&name1, NULL);
dns_name_init(&name2, NULL);
dns_rdata_toregion(rdata1, &region1);
dns_rdata_toregion(rdata2, &region2);
isc_region_consume(&region1, 2);
isc_region_consume(&region2, 2);
dns_name_fromregion(&name1, &region1);
dns_name_fromregion(&name2, &region2);
return (dns_name_rdatacompare(&name1, &name2));
}
#endif /* RDATA_GENERIC_LP_107_C */