/* * Copyright (C) 2004, 2005, 2007 Internet Systems Consortium, Inc. ("ISC") * Copyright (C) 1999-2003 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: cert_37.c,v 1.50 2007/06/19 23:47:17 tbox Exp $ */ /* Reviewed: Wed Mar 15 21:14:32 EST 2000 by tale */ /* RFC2538 */ #ifndef RDATA_GENERIC_CERT_37_C #define RDATA_GENERIC_CERT_37_C #define RRTYPE_CERT_ATTRIBUTES (0) static inline isc_result_t fromtext_cert(ARGS_FROMTEXT) { isc_token_t token; dns_secalg_t secalg; dns_cert_t cert; REQUIRE(type == 37); UNUSED(type); UNUSED(rdclass); UNUSED(origin); UNUSED(options); UNUSED(callbacks); /* * Cert type. */ RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_string, ISC_FALSE)); RETTOK(dns_cert_fromtext(&cert, &token.value.as_textregion)); RETERR(uint16_tobuffer(cert, target)); /* * Key tag. */ 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)); /* * Algorithm. */ RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_string, ISC_FALSE)); RETTOK(dns_secalg_fromtext(&secalg, &token.value.as_textregion)); RETERR(mem_tobuffer(target, &secalg, 1)); return (isc_base64_tobuffer(lexer, target, -1)); } static inline isc_result_t totext_cert(ARGS_TOTEXT) { isc_region_t sr; char buf[sizeof("64000 ")]; unsigned int n; REQUIRE(rdata->type == 37); REQUIRE(rdata->length != 0); UNUSED(tctx); dns_rdata_toregion(rdata, &sr); /* * Type. */ n = uint16_fromregion(&sr); isc_region_consume(&sr, 2); RETERR(dns_cert_totext((dns_cert_t)n, target)); RETERR(str_totext(" ", target)); /* * Key tag. */ n = uint16_fromregion(&sr); isc_region_consume(&sr, 2); sprintf(buf, "%u ", n); RETERR(str_totext(buf, target)); /* * Algorithm. */ RETERR(dns_secalg_totext(sr.base[0], target)); isc_region_consume(&sr, 1); /* * Cert. */ if ((tctx->flags & DNS_STYLEFLAG_MULTILINE) != 0) RETERR(str_totext(" (", target)); RETERR(str_totext(tctx->linebreak, target)); RETERR(isc_base64_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_cert(ARGS_FROMWIRE) { isc_region_t sr; REQUIRE(type == 37); UNUSED(type); UNUSED(rdclass); UNUSED(dctx); UNUSED(options); isc_buffer_activeregion(source, &sr); if (sr.length < 5) return (ISC_R_UNEXPECTEDEND); isc_buffer_forward(source, sr.length); return (mem_tobuffer(target, sr.base, sr.length)); } static inline isc_result_t towire_cert(ARGS_TOWIRE) { isc_region_t sr; REQUIRE(rdata->type == 37); REQUIRE(rdata->length != 0); UNUSED(cctx); dns_rdata_toregion(rdata, &sr); return (mem_tobuffer(target, sr.base, sr.length)); } static inline int compare_cert(ARGS_COMPARE) { isc_region_t r1; isc_region_t r2; REQUIRE(rdata1->type == rdata2->type); REQUIRE(rdata1->rdclass == rdata2->rdclass); REQUIRE(rdata1->type == 37); 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_cert(ARGS_FROMSTRUCT) { dns_rdata_cert_t *cert = source; REQUIRE(type == 37); REQUIRE(source != NULL); REQUIRE(cert->common.rdtype == type); REQUIRE(cert->common.rdclass == rdclass); UNUSED(type); UNUSED(rdclass); RETERR(uint16_tobuffer(cert->type, target)); RETERR(uint16_tobuffer(cert->key_tag, target)); RETERR(uint8_tobuffer(cert->algorithm, target)); return (mem_tobuffer(target, cert->certificate, cert->length)); } static inline isc_result_t tostruct_cert(ARGS_TOSTRUCT) { dns_rdata_cert_t *cert = target; isc_region_t region; REQUIRE(rdata->type == 37); REQUIRE(target != NULL); REQUIRE(rdata->length != 0); cert->common.rdclass = rdata->rdclass; cert->common.rdtype = rdata->type; ISC_LINK_INIT(&cert->common, link); dns_rdata_toregion(rdata, ®ion); cert->type = uint16_fromregion(®ion); isc_region_consume(®ion, 2); cert->key_tag = uint16_fromregion(®ion); isc_region_consume(®ion, 2); cert->algorithm = uint8_fromregion(®ion); isc_region_consume(®ion, 1); cert->length = region.length; cert->certificate = mem_maybedup(mctx, region.base, region.length); if (cert->certificate == NULL) return (ISC_R_NOMEMORY); cert->mctx = mctx; return (ISC_R_SUCCESS); } static inline void freestruct_cert(ARGS_FREESTRUCT) { dns_rdata_cert_t *cert = source; REQUIRE(cert != NULL); REQUIRE(cert->common.rdtype == 37); if (cert->mctx == NULL) return; if (cert->certificate != NULL) isc_mem_free(cert->mctx, cert->certificate); cert->mctx = NULL; } static inline isc_result_t additionaldata_cert(ARGS_ADDLDATA) { REQUIRE(rdata->type == 37); UNUSED(rdata); UNUSED(add); UNUSED(arg); return (ISC_R_SUCCESS); } static inline isc_result_t digest_cert(ARGS_DIGEST) { isc_region_t r; REQUIRE(rdata->type == 37); dns_rdata_toregion(rdata, &r); return ((digest)(arg, &r)); } static inline isc_boolean_t checkowner_cert(ARGS_CHECKOWNER) { REQUIRE(type == 37); UNUSED(name); UNUSED(type); UNUSED(rdclass); UNUSED(wildcard); return (ISC_TRUE); } static inline isc_boolean_t checknames_cert(ARGS_CHECKNAMES) { REQUIRE(rdata->type == 37); UNUSED(rdata); UNUSED(owner); UNUSED(bad); return (ISC_TRUE); } #endif /* RDATA_GENERIC_CERT_37_C */