/* $NetBSD: sink_40.c,v 1.3.4.1 2024/02/29 12:34:45 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. */ #ifndef RDATA_GENERIC_SINK_40_C #define RDATA_GENERIC_SINK_40_C #include #define RRTYPE_SINK_ATTRIBUTES (0) static isc_result_t fromtext_sink(ARGS_FROMTEXT) { isc_token_t token; REQUIRE(type == dns_rdatatype_sink); UNUSED(type); UNUSED(rdclass); UNUSED(origin); UNUSED(options); UNUSED(callbacks); /* meaning */ RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_number, false)); if (token.value.as_ulong > 0xffU) { RETTOK(ISC_R_RANGE); } RETERR(uint8_tobuffer(token.value.as_ulong, target)); /* coding */ RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_number, false)); if (token.value.as_ulong > 0xffU) { RETTOK(ISC_R_RANGE); } RETERR(uint8_tobuffer(token.value.as_ulong, target)); /* subcoding */ RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_number, false)); if (token.value.as_ulong > 0xffU) { RETTOK(ISC_R_RANGE); } RETERR(uint8_tobuffer(token.value.as_ulong, target)); return (isc_base64_tobuffer(lexer, target, -1)); } static isc_result_t totext_sink(ARGS_TOTEXT) { isc_region_t sr; char buf[sizeof("255 255 255")]; uint8_t meaning, coding, subcoding; REQUIRE(rdata->type == dns_rdatatype_sink); REQUIRE(rdata->length >= 3); dns_rdata_toregion(rdata, &sr); /* Meaning, Coding and Subcoding */ meaning = uint8_fromregion(&sr); isc_region_consume(&sr, 1); coding = uint8_fromregion(&sr); isc_region_consume(&sr, 1); subcoding = uint8_fromregion(&sr); isc_region_consume(&sr, 1); snprintf(buf, sizeof(buf), "%u %u %u", meaning, coding, subcoding); RETERR(str_totext(buf, target)); if (sr.length == 0U) { return (ISC_R_SUCCESS); } /* 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_base64_totext(&sr, 60, "", target)); } else { 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 isc_result_t fromwire_sink(ARGS_FROMWIRE) { isc_region_t sr; REQUIRE(type == dns_rdatatype_sink); UNUSED(type); UNUSED(rdclass); UNUSED(dctx); UNUSED(options); isc_buffer_activeregion(source, &sr); if (sr.length < 3) { return (ISC_R_UNEXPECTEDEND); } RETERR(mem_tobuffer(target, sr.base, sr.length)); isc_buffer_forward(source, sr.length); return (ISC_R_SUCCESS); } static isc_result_t towire_sink(ARGS_TOWIRE) { REQUIRE(rdata->type == dns_rdatatype_sink); REQUIRE(rdata->length >= 3); UNUSED(cctx); return (mem_tobuffer(target, rdata->data, rdata->length)); } static int compare_sink(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_sink); REQUIRE(rdata1->length >= 3); REQUIRE(rdata2->length >= 3); dns_rdata_toregion(rdata1, &r1); dns_rdata_toregion(rdata2, &r2); return (isc_region_compare(&r1, &r2)); } static isc_result_t fromstruct_sink(ARGS_FROMSTRUCT) { dns_rdata_sink_t *sink = source; REQUIRE(type == dns_rdatatype_sink); REQUIRE(sink != NULL); REQUIRE(sink->common.rdtype == type); REQUIRE(sink->common.rdclass == rdclass); UNUSED(type); UNUSED(rdclass); /* Meaning */ RETERR(uint8_tobuffer(sink->meaning, target)); /* Coding */ RETERR(uint8_tobuffer(sink->coding, target)); /* Subcoding */ RETERR(uint8_tobuffer(sink->subcoding, target)); /* Data */ return (mem_tobuffer(target, sink->data, sink->datalen)); } static isc_result_t tostruct_sink(ARGS_TOSTRUCT) { dns_rdata_sink_t *sink = target; isc_region_t sr; REQUIRE(rdata->type == dns_rdatatype_sink); REQUIRE(sink != NULL); REQUIRE(rdata->length >= 3); sink->common.rdclass = rdata->rdclass; sink->common.rdtype = rdata->type; ISC_LINK_INIT(&sink->common, link); dns_rdata_toregion(rdata, &sr); /* Meaning */ if (sr.length < 1) { return (ISC_R_UNEXPECTEDEND); } sink->meaning = uint8_fromregion(&sr); isc_region_consume(&sr, 1); /* Coding */ if (sr.length < 1) { return (ISC_R_UNEXPECTEDEND); } sink->coding = uint8_fromregion(&sr); isc_region_consume(&sr, 1); /* Subcoding */ if (sr.length < 1) { return (ISC_R_UNEXPECTEDEND); } sink->subcoding = uint8_fromregion(&sr); isc_region_consume(&sr, 1); /* Data */ sink->datalen = sr.length; sink->data = mem_maybedup(mctx, sr.base, sink->datalen); if (sink->data == NULL) { return (ISC_R_NOMEMORY); } sink->mctx = mctx; return (ISC_R_SUCCESS); } static void freestruct_sink(ARGS_FREESTRUCT) { dns_rdata_sink_t *sink = (dns_rdata_sink_t *)source; REQUIRE(sink != NULL); REQUIRE(sink->common.rdtype == dns_rdatatype_sink); if (sink->mctx == NULL) { return; } if (sink->data != NULL) { isc_mem_free(sink->mctx, sink->data); } sink->mctx = NULL; } static isc_result_t additionaldata_sink(ARGS_ADDLDATA) { REQUIRE(rdata->type == dns_rdatatype_sink); UNUSED(rdata); UNUSED(owner); UNUSED(add); UNUSED(arg); return (ISC_R_SUCCESS); } static isc_result_t digest_sink(ARGS_DIGEST) { isc_region_t r; REQUIRE(rdata->type == dns_rdatatype_sink); dns_rdata_toregion(rdata, &r); return ((digest)(arg, &r)); } static bool checkowner_sink(ARGS_CHECKOWNER) { REQUIRE(type == dns_rdatatype_sink); UNUSED(name); UNUSED(type); UNUSED(rdclass); UNUSED(wildcard); return (true); } static bool checknames_sink(ARGS_CHECKNAMES) { REQUIRE(rdata->type == dns_rdatatype_sink); UNUSED(rdata); UNUSED(owner); UNUSED(bad); return (true); } static int casecompare_sink(ARGS_COMPARE) { return (compare_sink(rdata1, rdata2)); } #endif /* RDATA_GENERIC_SINK_40_C */