/* $NetBSD: atma_34.c,v 1.7.2.1 2024/02/25 15:47:06 martin Exp $ */ /* * Copyright (C) Internet Systems Consortium, Inc. ("ISC") * * SPDX-License-Identifier: MPL-2.0 * * 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 https://mozilla.org/MPL/2.0/. * * See the COPYRIGHT file distributed with this work for additional * information regarding copyright ownership. */ /* http://www.broadband-forum.org/ftp/pub/approved-specs/af-dans-0152.000.pdf */ #ifndef RDATA_IN_1_ATMA_22_C #define RDATA_IN_1_ATMA_22_C #define RRTYPE_ATMA_ATTRIBUTES (0) static isc_result_t fromtext_in_atma(ARGS_FROMTEXT) { isc_token_t token; isc_textregion_t *sr; int n; bool valid = false; bool lastwasperiod = true; /* leading periods not allowed */ int digits = 0; unsigned char c = 0; REQUIRE(type == dns_rdatatype_atma); REQUIRE(rdclass == dns_rdataclass_in); UNUSED(type); UNUSED(origin); UNUSED(options); UNUSED(rdclass); UNUSED(callbacks); /* ATM End System Address (AESA) format or E.164 */ RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_string, false)); sr = &token.value.as_textregion; if (sr->length < 1) { RETTOK(ISC_R_UNEXPECTEDEND); } if (sr->base[0] != '+') { /* * Format 0: ATM End System Address (AESA) format. */ c = 0; RETERR(mem_tobuffer(target, &c, 1)); while (sr->length > 0) { if (sr->base[0] == '.') { if (lastwasperiod) { RETTOK(DNS_R_SYNTAX); } isc_textregion_consume(sr, 1); lastwasperiod = true; continue; } if ((n = hexvalue(sr->base[0])) == -1) { RETTOK(DNS_R_SYNTAX); } c <<= 4; c += n; if (++digits == 2) { RETERR(mem_tobuffer(target, &c, 1)); valid = true; digits = 0; c = 0; } isc_textregion_consume(sr, 1); lastwasperiod = false; } if (digits != 0 || !valid || lastwasperiod) { RETTOK(ISC_R_UNEXPECTEDEND); } } else { /* * Format 1: E.164. */ c = 1; RETERR(mem_tobuffer(target, &c, 1)); isc_textregion_consume(sr, 1); while (sr->length > 0) { if (sr->base[0] == '.') { if (lastwasperiod) { RETTOK(DNS_R_SYNTAX); } isc_textregion_consume(sr, 1); lastwasperiod = true; continue; } if (!isdigit((unsigned char)sr->base[0])) { RETTOK(DNS_R_SYNTAX); } RETERR(mem_tobuffer(target, sr->base, 1)); isc_textregion_consume(sr, 1); lastwasperiod = false; } if (lastwasperiod) { RETTOK(ISC_R_UNEXPECTEDEND); } } return (ISC_R_SUCCESS); } static isc_result_t totext_in_atma(ARGS_TOTEXT) { isc_region_t region; char buf[sizeof("xx")]; REQUIRE(rdata->type == dns_rdatatype_atma); REQUIRE(rdata->rdclass == dns_rdataclass_in); REQUIRE(rdata->length != 0); UNUSED(tctx); dns_rdata_toregion(rdata, ®ion); INSIST(region.length > 1); switch (region.base[0]) { case 0: isc_region_consume(®ion, 1); while (region.length != 0) { snprintf(buf, sizeof(buf), "%02x", region.base[0]); isc_region_consume(®ion, 1); RETERR(str_totext(buf, target)); } break; case 1: RETERR(str_totext("+", target)); isc_region_consume(®ion, 1); RETERR(mem_tobuffer(target, region.base, region.length)); break; default: return (ISC_R_NOTIMPLEMENTED); } return (ISC_R_SUCCESS); } static isc_result_t fromwire_in_atma(ARGS_FROMWIRE) { isc_region_t region; REQUIRE(type == dns_rdatatype_atma); REQUIRE(rdclass == dns_rdataclass_in); UNUSED(type); UNUSED(dctx); UNUSED(options); UNUSED(rdclass); isc_buffer_activeregion(source, ®ion); if (region.length < 2) { return (ISC_R_UNEXPECTEDEND); } if (region.base[0] == 1) { unsigned int i; for (i = 1; i < region.length; i++) { if (!isdigit((unsigned char)region.base[i])) { return (DNS_R_FORMERR); } } } RETERR(mem_tobuffer(target, region.base, region.length)); isc_buffer_forward(source, region.length); return (ISC_R_SUCCESS); } static isc_result_t towire_in_atma(ARGS_TOWIRE) { REQUIRE(rdata->type == dns_rdatatype_atma); REQUIRE(rdata->rdclass == dns_rdataclass_in); REQUIRE(rdata->length != 0); UNUSED(cctx); return (mem_tobuffer(target, rdata->data, rdata->length)); } static int compare_in_atma(ARGS_COMPARE) { isc_region_t r1; isc_region_t r2; REQUIRE(rdata1->type == rdata2->type); REQUIRE(rdata1->rdclass == rdata2->rdclass); REQUIRE(rdata1->type == dns_rdatatype_atma); REQUIRE(rdata1->rdclass == dns_rdataclass_in); 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 isc_result_t fromstruct_in_atma(ARGS_FROMSTRUCT) { dns_rdata_in_atma_t *atma = source; REQUIRE(type == dns_rdatatype_atma); REQUIRE(rdclass == dns_rdataclass_in); REQUIRE(atma != NULL); REQUIRE(atma->common.rdtype == type); REQUIRE(atma->common.rdclass == rdclass); REQUIRE(atma->atma != NULL || atma->atma_len == 0); UNUSED(type); UNUSED(rdclass); RETERR(mem_tobuffer(target, &atma->format, 1)); return (mem_tobuffer(target, atma->atma, atma->atma_len)); } static isc_result_t tostruct_in_atma(ARGS_TOSTRUCT) { dns_rdata_in_atma_t *atma = target; isc_region_t r; REQUIRE(rdata->type == dns_rdatatype_atma); REQUIRE(rdata->rdclass == dns_rdataclass_in); REQUIRE(atma != NULL); REQUIRE(rdata->length != 0); atma->common.rdclass = rdata->rdclass; atma->common.rdtype = rdata->type; ISC_LINK_INIT(&atma->common, link); dns_rdata_toregion(rdata, &r); atma->format = r.base[0]; isc_region_consume(&r, 1); atma->atma_len = r.length; atma->atma = mem_maybedup(mctx, r.base, r.length); if (atma->atma == NULL) { return (ISC_R_NOMEMORY); } atma->mctx = mctx; return (ISC_R_SUCCESS); } static void freestruct_in_atma(ARGS_FREESTRUCT) { dns_rdata_in_atma_t *atma = source; REQUIRE(atma != NULL); REQUIRE(atma->common.rdclass == dns_rdataclass_in); REQUIRE(atma->common.rdtype == dns_rdatatype_atma); if (atma->mctx == NULL) { return; } if (atma->atma != NULL) { isc_mem_free(atma->mctx, atma->atma); } atma->mctx = NULL; } static isc_result_t additionaldata_in_atma(ARGS_ADDLDATA) { REQUIRE(rdata->type == dns_rdatatype_atma); REQUIRE(rdata->rdclass == dns_rdataclass_in); UNUSED(rdata); UNUSED(owner); UNUSED(add); UNUSED(arg); return (ISC_R_SUCCESS); } static isc_result_t digest_in_atma(ARGS_DIGEST) { isc_region_t r; REQUIRE(rdata->type == dns_rdatatype_atma); REQUIRE(rdata->rdclass == dns_rdataclass_in); dns_rdata_toregion(rdata, &r); return ((digest)(arg, &r)); } static bool checkowner_in_atma(ARGS_CHECKOWNER) { REQUIRE(type == dns_rdatatype_atma); REQUIRE(rdclass == dns_rdataclass_in); UNUSED(name); UNUSED(type); UNUSED(rdclass); UNUSED(wildcard); return (true); } static bool checknames_in_atma(ARGS_CHECKNAMES) { REQUIRE(rdata->type == dns_rdatatype_atma); REQUIRE(rdata->rdclass == dns_rdataclass_in); UNUSED(rdata); UNUSED(owner); UNUSED(bad); return (true); } static int casecompare_in_atma(ARGS_COMPARE) { return (compare_in_atma(rdata1, rdata2)); } #endif /* RDATA_IN_1_atma_22_C */