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-rw-r--r--lib/dns/rdata/in_1/px_26.c370
1 files changed, 370 insertions, 0 deletions
diff --git a/lib/dns/rdata/in_1/px_26.c b/lib/dns/rdata/in_1/px_26.c
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+++ b/lib/dns/rdata/in_1/px_26.c
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+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * 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 http://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+/* RFC2163 */
+
+#ifndef RDATA_IN_1_PX_26_C
+#define RDATA_IN_1_PX_26_C
+
+#define RRTYPE_PX_ATTRIBUTES (0)
+
+static inline isc_result_t
+fromtext_in_px(ARGS_FROMTEXT) {
+ isc_token_t token;
+ dns_name_t name;
+ isc_buffer_t buffer;
+
+ REQUIRE(type == dns_rdatatype_px);
+ REQUIRE(rdclass == dns_rdataclass_in);
+
+ UNUSED(type);
+ UNUSED(rdclass);
+ UNUSED(callbacks);
+
+ if (origin == NULL)
+ origin = dns_rootname;
+
+ /*
+ * Preference.
+ */
+ RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_number,
+ false));
+ if (token.value.as_ulong > 0xffffU)
+ RETTOK(ISC_R_RANGE);
+ RETERR(uint16_tobuffer(token.value.as_ulong, target));
+
+ /*
+ * MAP822.
+ */
+ RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_string,
+ false));
+ dns_name_init(&name, NULL);
+ buffer_fromregion(&buffer, &token.value.as_region);
+ RETTOK(dns_name_fromtext(&name, &buffer, origin, options, target));
+
+ /*
+ * MAPX400.
+ */
+ RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_string,
+ false));
+ dns_name_init(&name, NULL);
+ buffer_fromregion(&buffer, &token.value.as_region);
+ RETTOK(dns_name_fromtext(&name, &buffer, origin, options, target));
+ return (ISC_R_SUCCESS);
+}
+
+static inline isc_result_t
+totext_in_px(ARGS_TOTEXT) {
+ isc_region_t region;
+ dns_name_t name;
+ dns_name_t prefix;
+ bool sub;
+ char buf[sizeof("64000")];
+ unsigned short num;
+
+ REQUIRE(rdata->type == dns_rdatatype_px);
+ REQUIRE(rdata->rdclass == dns_rdataclass_in);
+ REQUIRE(rdata->length != 0);
+
+ dns_name_init(&name, NULL);
+ dns_name_init(&prefix, NULL);
+
+ /*
+ * Preference.
+ */
+ dns_rdata_toregion(rdata, &region);
+ num = uint16_fromregion(&region);
+ isc_region_consume(&region, 2);
+ snprintf(buf, sizeof(buf), "%u", num);
+ RETERR(str_totext(buf, target));
+ RETERR(str_totext(" ", target));
+
+ /*
+ * MAP822.
+ */
+ dns_name_fromregion(&name, &region);
+ sub = name_prefix(&name, tctx->origin, &prefix);
+ isc_region_consume(&region, name_length(&name));
+ RETERR(dns_name_totext(&prefix, sub, target));
+ RETERR(str_totext(" ", target));
+
+ /*
+ * MAPX400.
+ */
+ dns_name_fromregion(&name, &region);
+ sub = name_prefix(&name, tctx->origin, &prefix);
+ return(dns_name_totext(&prefix, sub, target));
+}
+
+static inline isc_result_t
+fromwire_in_px(ARGS_FROMWIRE) {
+ dns_name_t name;
+ isc_region_t sregion;
+
+ REQUIRE(type == dns_rdatatype_px);
+ REQUIRE(rdclass == dns_rdataclass_in);
+
+ UNUSED(type);
+ UNUSED(rdclass);
+
+ dns_decompress_setmethods(dctx, DNS_COMPRESS_NONE);
+
+ dns_name_init(&name, NULL);
+
+ /*
+ * Preference.
+ */
+ isc_buffer_activeregion(source, &sregion);
+ if (sregion.length < 2)
+ return (ISC_R_UNEXPECTEDEND);
+ RETERR(mem_tobuffer(target, sregion.base, 2));
+ isc_buffer_forward(source, 2);
+
+ /*
+ * MAP822.
+ */
+ RETERR(dns_name_fromwire(&name, source, dctx, options, target));
+
+ /*
+ * MAPX400.
+ */
+ return (dns_name_fromwire(&name, source, dctx, options, target));
+}
+
+static inline isc_result_t
+towire_in_px(ARGS_TOWIRE) {
+ dns_name_t name;
+ dns_offsets_t offsets;
+ isc_region_t region;
+
+ REQUIRE(rdata->type == dns_rdatatype_px);
+ REQUIRE(rdata->rdclass == dns_rdataclass_in);
+ REQUIRE(rdata->length != 0);
+
+ dns_compress_setmethods(cctx, DNS_COMPRESS_NONE);
+ /*
+ * Preference.
+ */
+ dns_rdata_toregion(rdata, &region);
+ RETERR(mem_tobuffer(target, region.base, 2));
+ isc_region_consume(&region, 2);
+
+ /*
+ * MAP822.
+ */
+ dns_name_init(&name, offsets);
+ dns_name_fromregion(&name, &region);
+ RETERR(dns_name_towire(&name, cctx, target));
+ isc_region_consume(&region, name_length(&name));
+
+ /*
+ * MAPX400.
+ */
+ dns_name_init(&name, offsets);
+ dns_name_fromregion(&name, &region);
+ return (dns_name_towire(&name, cctx, target));
+}
+
+static inline int
+compare_in_px(ARGS_COMPARE) {
+ dns_name_t name1;
+ dns_name_t name2;
+ isc_region_t region1;
+ isc_region_t region2;
+ int order;
+
+ REQUIRE(rdata1->type == rdata2->type);
+ REQUIRE(rdata1->rdclass == rdata2->rdclass);
+ REQUIRE(rdata1->type == dns_rdatatype_px);
+ REQUIRE(rdata1->rdclass == dns_rdataclass_in);
+ REQUIRE(rdata1->length != 0);
+ REQUIRE(rdata2->length != 0);
+
+ order = memcmp(rdata1->data, rdata2->data, 2);
+ if (order != 0)
+ return (order < 0 ? -1 : 1);
+
+ dns_name_init(&name1, NULL);
+ dns_name_init(&name2, NULL);
+
+ dns_rdata_toregion(rdata1, &region1);
+ dns_rdata_toregion(rdata2, &region2);
+
+ isc_region_consume(&region1, 2);
+ isc_region_consume(&region2, 2);
+
+ dns_name_fromregion(&name1, &region1);
+ dns_name_fromregion(&name2, &region2);
+
+ order = dns_name_rdatacompare(&name1, &name2);
+ if (order != 0)
+ return (order);
+
+ isc_region_consume(&region1, name_length(&name1));
+ isc_region_consume(&region2, name_length(&name2));
+
+ dns_name_fromregion(&name1, &region1);
+ dns_name_fromregion(&name2, &region2);
+
+ return (dns_name_rdatacompare(&name1, &name2));
+}
+
+static inline isc_result_t
+fromstruct_in_px(ARGS_FROMSTRUCT) {
+ dns_rdata_in_px_t *px = source;
+ isc_region_t region;
+
+ REQUIRE(type == dns_rdatatype_px);
+ REQUIRE(rdclass == dns_rdataclass_in);
+ REQUIRE(source != NULL);
+ REQUIRE(px->common.rdtype == type);
+ REQUIRE(px->common.rdclass == rdclass);
+
+ UNUSED(type);
+ UNUSED(rdclass);
+
+ RETERR(uint16_tobuffer(px->preference, target));
+ dns_name_toregion(&px->map822, &region);
+ RETERR(isc_buffer_copyregion(target, &region));
+ dns_name_toregion(&px->mapx400, &region);
+ return (isc_buffer_copyregion(target, &region));
+}
+
+static inline isc_result_t
+tostruct_in_px(ARGS_TOSTRUCT) {
+ dns_rdata_in_px_t *px = target;
+ dns_name_t name;
+ isc_region_t region;
+ isc_result_t result;
+
+ REQUIRE(rdata->type == dns_rdatatype_px);
+ REQUIRE(rdata->rdclass == dns_rdataclass_in);
+ REQUIRE(target != NULL);
+ REQUIRE(rdata->length != 0);
+
+ px->common.rdclass = rdata->rdclass;
+ px->common.rdtype = rdata->type;
+ ISC_LINK_INIT(&px->common, link);
+
+ dns_name_init(&name, NULL);
+ dns_rdata_toregion(rdata, &region);
+
+ px->preference = uint16_fromregion(&region);
+ isc_region_consume(&region, 2);
+
+ dns_name_fromregion(&name, &region);
+
+ dns_name_init(&px->map822, NULL);
+ RETERR(name_duporclone(&name, mctx, &px->map822));
+ isc_region_consume(&region, name_length(&px->map822));
+
+ dns_name_init(&px->mapx400, NULL);
+ result = name_duporclone(&name, mctx, &px->mapx400);
+ if (result != ISC_R_SUCCESS)
+ goto cleanup;
+
+ px->mctx = mctx;
+ return (result);
+
+ cleanup:
+ dns_name_free(&px->map822, mctx);
+ return (ISC_R_NOMEMORY);
+}
+
+static inline void
+freestruct_in_px(ARGS_FREESTRUCT) {
+ dns_rdata_in_px_t *px = source;
+
+ REQUIRE(source != NULL);
+ REQUIRE(px->common.rdclass == dns_rdataclass_in);
+ REQUIRE(px->common.rdtype == dns_rdatatype_px);
+
+ if (px->mctx == NULL)
+ return;
+
+ dns_name_free(&px->map822, px->mctx);
+ dns_name_free(&px->mapx400, px->mctx);
+ px->mctx = NULL;
+}
+
+static inline isc_result_t
+additionaldata_in_px(ARGS_ADDLDATA) {
+ REQUIRE(rdata->type == dns_rdatatype_px);
+ REQUIRE(rdata->rdclass == dns_rdataclass_in);
+
+ UNUSED(rdata);
+ UNUSED(add);
+ UNUSED(arg);
+
+ return (ISC_R_SUCCESS);
+}
+
+static inline isc_result_t
+digest_in_px(ARGS_DIGEST) {
+ isc_region_t r1, r2;
+ dns_name_t name;
+ isc_result_t result;
+
+ REQUIRE(rdata->type == dns_rdatatype_px);
+ REQUIRE(rdata->rdclass == dns_rdataclass_in);
+
+ dns_rdata_toregion(rdata, &r1);
+ r2 = r1;
+ isc_region_consume(&r2, 2);
+ r1.length = 2;
+ result = (digest)(arg, &r1);
+ if (result != ISC_R_SUCCESS)
+ return (result);
+ dns_name_init(&name, NULL);
+ dns_name_fromregion(&name, &r2);
+ result = dns_name_digest(&name, digest, arg);
+ if (result != ISC_R_SUCCESS)
+ return (result);
+ isc_region_consume(&r2, name_length(&name));
+ dns_name_init(&name, NULL);
+ dns_name_fromregion(&name, &r2);
+
+ return (dns_name_digest(&name, digest, arg));
+}
+
+static inline bool
+checkowner_in_px(ARGS_CHECKOWNER) {
+
+ REQUIRE(type == dns_rdatatype_px);
+ REQUIRE(rdclass == dns_rdataclass_in);
+
+ UNUSED(name);
+ UNUSED(type);
+ UNUSED(rdclass);
+ UNUSED(wildcard);
+
+ return (true);
+}
+
+static inline bool
+checknames_in_px(ARGS_CHECKNAMES) {
+
+ REQUIRE(rdata->type == dns_rdatatype_px);
+ REQUIRE(rdata->rdclass == dns_rdataclass_in);
+
+ UNUSED(rdata);
+ UNUSED(owner);
+ UNUSED(bad);
+
+ return (true);
+}
+
+static inline int
+casecompare_in_px(ARGS_COMPARE) {
+ return (compare_in_px(rdata1, rdata2));
+}
+
+#endif /* RDATA_IN_1_PX_26_C */