/* * Copyright (C) 2012 Internet Systems Consortium, Inc. ("ISC") * * 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. */ /* $Id$ */ /* draft-ietf-dane-protocol-19.txt */ #ifndef RDATA_GENERIC_TLSA_52_C #define RDATA_GENERIC_TLSA_52_C #define RRTYPE_TLSA_ATTRIBUTES 0 static inline isc_result_t fromtext_tlsa(ARGS_FROMTEXT) { isc_token_t token; REQUIRE(type == 52); UNUSED(type); UNUSED(rdclass); UNUSED(origin); UNUSED(options); UNUSED(callbacks); /* * Certificate Usage. */ RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_number, ISC_FALSE)); if (token.value.as_ulong > 0xffU) RETTOK(ISC_R_RANGE); RETERR(uint8_tobuffer(token.value.as_ulong, target)); /* * Selector. */ RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_number, ISC_FALSE)); if (token.value.as_ulong > 0xffU) RETTOK(ISC_R_RANGE); RETERR(uint8_tobuffer(token.value.as_ulong, target)); /* * Matching type. */ RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_number, ISC_FALSE)); if (token.value.as_ulong > 0xffU) RETTOK(ISC_R_RANGE); RETERR(uint8_tobuffer(token.value.as_ulong, target)); /* * Certificate Association Data. */ return (isc_hex_tobuffer(lexer, target, -1)); } static inline isc_result_t totext_tlsa(ARGS_TOTEXT) { isc_region_t sr; char buf[sizeof("64000 ")]; unsigned int n; REQUIRE(rdata->type == 52); REQUIRE(rdata->length != 0); UNUSED(tctx); dns_rdata_toregion(rdata, &sr); /* * Certificate Usage. */ n = uint8_fromregion(&sr); isc_region_consume(&sr, 1); sprintf(buf, "%u ", n); RETERR(str_totext(buf, target)); /* * Selector. */ n = uint8_fromregion(&sr); isc_region_consume(&sr, 1); sprintf(buf, "%u ", n); RETERR(str_totext(buf, target)); /* * Matching type. */ n = uint8_fromregion(&sr); isc_region_consume(&sr, 1); sprintf(buf, "%u", n); RETERR(str_totext(buf, target)); /* * Certificate Association Data. */ if ((tctx->flags & DNS_STYLEFLAG_MULTILINE) != 0) RETERR(str_totext(" (", target)); RETERR(str_totext(tctx->linebreak, target)); if (tctx->width == 0) /* No splitting */ RETERR(isc_hex_totext(&sr, 0, "", target)); else RETERR(isc_hex_totext(&sr, tctx->width - 2, tctx->linebreak, target)); if ((tctx->flags & DNS_STYLEFLAG_MULTILINE) != 0) RETERR(str_totext(" )", target)); return (ISC_R_SUCCESS); } static inline isc_result_t fromwire_tlsa(ARGS_FROMWIRE) { isc_region_t sr; REQUIRE(type == 52); UNUSED(type); UNUSED(rdclass); UNUSED(dctx); UNUSED(options); isc_buffer_activeregion(source, &sr); if (sr.length < 3) return (ISC_R_UNEXPECTEDEND); isc_buffer_forward(source, sr.length); return (mem_tobuffer(target, sr.base, sr.length)); } static inline isc_result_t towire_tlsa(ARGS_TOWIRE) { isc_region_t sr; REQUIRE(rdata->type == 52); REQUIRE(rdata->length != 0); UNUSED(cctx); dns_rdata_toregion(rdata, &sr); return (mem_tobuffer(target, sr.base, sr.length)); } static inline int compare_tlsa(ARGS_COMPARE) { isc_region_t r1; isc_region_t r2; REQUIRE(rdata1->type == rdata2->type); REQUIRE(rdata1->rdclass == rdata2->rdclass); REQUIRE(rdata1->type == 52); 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_tlsa(ARGS_FROMSTRUCT) { dns_rdata_tlsa_t *tlsa = source; REQUIRE(type == 52); REQUIRE(source != NULL); REQUIRE(tlsa->common.rdtype == type); REQUIRE(tlsa->common.rdclass == rdclass); UNUSED(type); UNUSED(rdclass); RETERR(uint8_tobuffer(tlsa->usage, target)); RETERR(uint8_tobuffer(tlsa->selector, target)); RETERR(uint8_tobuffer(tlsa->match, target)); return (mem_tobuffer(target, tlsa->data, tlsa->length)); } static inline isc_result_t tostruct_tlsa(ARGS_TOSTRUCT) { dns_rdata_tlsa_t *tlsa = target; isc_region_t region; REQUIRE(rdata->type == 52); REQUIRE(target != NULL); REQUIRE(rdata->length != 0); tlsa->common.rdclass = rdata->rdclass; tlsa->common.rdtype = rdata->type; ISC_LINK_INIT(&tlsa->common, link); dns_rdata_toregion(rdata, ®ion); tlsa->usage = uint8_fromregion(®ion); isc_region_consume(®ion, 1); tlsa->selector = uint8_fromregion(®ion); isc_region_consume(®ion, 1); tlsa->match = uint8_fromregion(®ion); isc_region_consume(®ion, 1); tlsa->length = region.length; tlsa->data = mem_maybedup(mctx, region.base, region.length); if (tlsa->data == NULL) return (ISC_R_NOMEMORY); tlsa->mctx = mctx; return (ISC_R_SUCCESS); } static inline void freestruct_tlsa(ARGS_FREESTRUCT) { dns_rdata_tlsa_t *tlsa = source; REQUIRE(tlsa != NULL); REQUIRE(tlsa->common.rdtype == 52); if (tlsa->mctx == NULL) return; if (tlsa->data != NULL) isc_mem_free(tlsa->mctx, tlsa->data); tlsa->mctx = NULL; } static inline isc_result_t additionaldata_tlsa(ARGS_ADDLDATA) { REQUIRE(rdata->type == 52); UNUSED(rdata); UNUSED(add); UNUSED(arg); return (ISC_R_SUCCESS); } static inline isc_result_t digest_tlsa(ARGS_DIGEST) { isc_region_t r; REQUIRE(rdata->type == 52); dns_rdata_toregion(rdata, &r); return ((digest)(arg, &r)); } static inline isc_boolean_t checkowner_tlsa(ARGS_CHECKOWNER) { REQUIRE(type == 52); UNUSED(name); UNUSED(type); UNUSED(rdclass); UNUSED(wildcard); return (ISC_TRUE); } static inline isc_boolean_t checknames_tlsa(ARGS_CHECKNAMES) { REQUIRE(rdata->type == 52); UNUSED(rdata); UNUSED(owner); UNUSED(bad); return (ISC_TRUE); } static inline int casecompare_tlsa(ARGS_COMPARE) { return (compare_tlsa(rdata1, rdata2)); } #endif /* RDATA_GENERIC_TLSA_52_C */