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Diffstat (limited to '')
| -rw-r--r-- | lib/dns/rdata/generic/sink_40.c | 291 |
1 files changed, 291 insertions, 0 deletions
diff --git a/lib/dns/rdata/generic/sink_40.c b/lib/dns/rdata/generic/sink_40.c new file mode 100644 index 0000000..b4ad0b9 --- /dev/null +++ b/lib/dns/rdata/generic/sink_40.c @@ -0,0 +1,291 @@ +/* + * 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 <dst/dst.h> + +#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(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 */ |