1 /* 2 * Copyright (C) Internet Systems Consortium, Inc. ("ISC") 3 * 4 * Permission to use, copy, modify, and/or distribute this software for any 5 * purpose with or without fee is hereby granted, provided that the above 6 * copyright notice and this permission notice appear in all copies. 7 * 8 * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH 9 * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY 10 * AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT, 11 * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM 12 * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE 13 * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR 14 * PERFORMANCE OF THIS SOFTWARE. 15 */ 16 17 /* $Id: cert_37.c,v 1.12 2020/02/26 18:47:58 florian Exp $ */ 18 19 /* Reviewed: Wed Mar 15 21:14:32 EST 2000 by tale */ 20 21 /* RFC2538 */ 22 23 #ifndef RDATA_GENERIC_CERT_37_C 24 #define RDATA_GENERIC_CERT_37_C 25 26 static inline isc_result_t 27 totext_cert(ARGS_TOTEXT) { 28 isc_region_t sr; 29 char buf[sizeof("64000 ")]; 30 unsigned int n; 31 32 REQUIRE(rdata->type == dns_rdatatype_cert); 33 REQUIRE(rdata->length != 0); 34 35 UNUSED(tctx); 36 37 dns_rdata_toregion(rdata, &sr); 38 39 /* 40 * Type. 41 */ 42 n = uint16_fromregion(&sr); 43 isc_region_consume(&sr, 2); 44 RETERR(dns_cert_totext((dns_cert_t)n, target)); 45 RETERR(isc_str_tobuffer(" ", target)); 46 47 /* 48 * Key tag. 49 */ 50 n = uint16_fromregion(&sr); 51 isc_region_consume(&sr, 2); 52 snprintf(buf, sizeof(buf), "%u ", n); 53 RETERR(isc_str_tobuffer(buf, target)); 54 55 /* 56 * Algorithm. 57 */ 58 RETERR(dns_secalg_totext(sr.base[0], target)); 59 isc_region_consume(&sr, 1); 60 61 /* 62 * Cert. 63 */ 64 if ((tctx->flags & DNS_STYLEFLAG_MULTILINE) != 0) 65 RETERR(isc_str_tobuffer(" (", target)); 66 RETERR(isc_str_tobuffer(tctx->linebreak, target)); 67 if (tctx->width == 0) /* No splitting */ 68 RETERR(isc_base64_totext(&sr, 60, "", target)); 69 else 70 RETERR(isc_base64_totext(&sr, tctx->width - 2, 71 tctx->linebreak, target)); 72 if ((tctx->flags & DNS_STYLEFLAG_MULTILINE) != 0) 73 RETERR(isc_str_tobuffer(" )", target)); 74 return (ISC_R_SUCCESS); 75 } 76 77 static inline isc_result_t 78 fromwire_cert(ARGS_FROMWIRE) { 79 isc_region_t sr; 80 81 REQUIRE(type == dns_rdatatype_cert); 82 83 UNUSED(type); 84 UNUSED(rdclass); 85 UNUSED(dctx); 86 UNUSED(options); 87 88 isc_buffer_activeregion(source, &sr); 89 if (sr.length < 5) 90 return (ISC_R_UNEXPECTEDEND); 91 92 isc_buffer_forward(source, sr.length); 93 return (isc_mem_tobuffer(target, sr.base, sr.length)); 94 } 95 96 static inline isc_result_t 97 towire_cert(ARGS_TOWIRE) { 98 isc_region_t sr; 99 100 REQUIRE(rdata->type == dns_rdatatype_cert); 101 REQUIRE(rdata->length != 0); 102 103 UNUSED(cctx); 104 105 dns_rdata_toregion(rdata, &sr); 106 return (isc_mem_tobuffer(target, sr.base, sr.length)); 107 } 108 109 #endif /* RDATA_GENERIC_CERT_37_C */ 110