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-rw-r--r--lib/dns/rdata/generic/ipseckey_45.c527
1 files changed, 527 insertions, 0 deletions
diff --git a/lib/dns/rdata/generic/ipseckey_45.c b/lib/dns/rdata/generic/ipseckey_45.c
new file mode 100644
index 0000000..a4232db
--- /dev/null
+++ b/lib/dns/rdata/generic/ipseckey_45.c
@@ -0,0 +1,527 @@
+/*
+ * 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_IPSECKEY_45_C
+#define RDATA_GENERIC_IPSECKEY_45_C
+
+#include <string.h>
+
+#include <isc/net.h>
+
+#define RRTYPE_IPSECKEY_ATTRIBUTES (0)
+
+static isc_result_t
+fromtext_ipseckey(ARGS_FROMTEXT) {
+ isc_token_t token;
+ dns_name_t name;
+ isc_buffer_t buffer;
+ unsigned int gateway;
+ struct in_addr addr;
+ unsigned char addr6[16];
+ isc_region_t region;
+
+ REQUIRE(type == dns_rdatatype_ipseckey);
+
+ UNUSED(type);
+ UNUSED(rdclass);
+ UNUSED(callbacks);
+
+ /*
+ * Precedence.
+ */
+ 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));
+
+ /*
+ * Gateway type.
+ */
+ RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_number,
+ false));
+ if (token.value.as_ulong > 0x3U) {
+ RETTOK(ISC_R_RANGE);
+ }
+ RETERR(uint8_tobuffer(token.value.as_ulong, target));
+ gateway = token.value.as_ulong;
+
+ /*
+ * Algorithm.
+ */
+ 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));
+
+ /*
+ * Gateway.
+ */
+ RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_string,
+ false));
+
+ switch (gateway) {
+ case 0:
+ if (strcmp(DNS_AS_STR(token), ".") != 0) {
+ RETTOK(DNS_R_SYNTAX);
+ }
+ break;
+
+ case 1:
+ if (inet_pton(AF_INET, DNS_AS_STR(token), &addr) != 1) {
+ RETTOK(DNS_R_BADDOTTEDQUAD);
+ }
+ isc_buffer_availableregion(target, &region);
+ if (region.length < 4) {
+ return (ISC_R_NOSPACE);
+ }
+ memmove(region.base, &addr, 4);
+ isc_buffer_add(target, 4);
+ break;
+
+ case 2:
+ if (inet_pton(AF_INET6, DNS_AS_STR(token), addr6) != 1) {
+ RETTOK(DNS_R_BADAAAA);
+ }
+ isc_buffer_availableregion(target, &region);
+ if (region.length < 16) {
+ return (ISC_R_NOSPACE);
+ }
+ memmove(region.base, addr6, 16);
+ isc_buffer_add(target, 16);
+ break;
+
+ case 3:
+ dns_name_init(&name, NULL);
+ buffer_fromregion(&buffer, &token.value.as_region);
+ if (origin == NULL) {
+ origin = dns_rootname;
+ }
+ RETTOK(dns_name_fromtext(&name, &buffer, origin, options,
+ target));
+ break;
+ }
+
+ /*
+ * Public key.
+ */
+ return (isc_base64_tobuffer(lexer, target, -2));
+}
+
+static isc_result_t
+totext_ipseckey(ARGS_TOTEXT) {
+ isc_region_t region;
+ dns_name_t name;
+ char buf[sizeof("255 ")];
+ unsigned short num;
+ unsigned short gateway;
+
+ REQUIRE(rdata->type == dns_rdatatype_ipseckey);
+ REQUIRE(rdata->length >= 3);
+
+ dns_name_init(&name, NULL);
+
+ if (rdata->data[1] > 3U) {
+ return (ISC_R_NOTIMPLEMENTED);
+ }
+
+ if ((tctx->flags & DNS_STYLEFLAG_MULTILINE) != 0) {
+ RETERR(str_totext("( ", target));
+ }
+
+ /*
+ * Precedence.
+ */
+ dns_rdata_toregion(rdata, &region);
+ num = uint8_fromregion(&region);
+ isc_region_consume(&region, 1);
+ snprintf(buf, sizeof(buf), "%u ", num);
+ RETERR(str_totext(buf, target));
+
+ /*
+ * Gateway type.
+ */
+ gateway = uint8_fromregion(&region);
+ isc_region_consume(&region, 1);
+ snprintf(buf, sizeof(buf), "%u ", gateway);
+ RETERR(str_totext(buf, target));
+
+ /*
+ * Algorithm.
+ */
+ num = uint8_fromregion(&region);
+ isc_region_consume(&region, 1);
+ snprintf(buf, sizeof(buf), "%u ", num);
+ RETERR(str_totext(buf, target));
+
+ /*
+ * Gateway.
+ */
+ switch (gateway) {
+ case 0:
+ RETERR(str_totext(".", target));
+ break;
+
+ case 1:
+ RETERR(inet_totext(AF_INET, tctx->flags, &region, target));
+ isc_region_consume(&region, 4);
+ break;
+
+ case 2:
+ RETERR(inet_totext(AF_INET6, tctx->flags, &region, target));
+ isc_region_consume(&region, 16);
+ break;
+
+ case 3:
+ dns_name_fromregion(&name, &region);
+ RETERR(dns_name_totext(&name, false, target));
+ isc_region_consume(&region, name_length(&name));
+ break;
+ }
+
+ /*
+ * Key.
+ */
+ if (region.length > 0U) {
+ RETERR(str_totext(tctx->linebreak, target));
+ if (tctx->width == 0) { /* No splitting */
+ RETERR(isc_base64_totext(&region, 60, "", target));
+ } else {
+ RETERR(isc_base64_totext(&region, 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_ipseckey(ARGS_FROMWIRE) {
+ dns_name_t name;
+ isc_region_t region;
+
+ REQUIRE(type == dns_rdatatype_ipseckey);
+
+ UNUSED(type);
+ UNUSED(rdclass);
+
+ dns_decompress_setmethods(dctx, DNS_COMPRESS_NONE);
+
+ dns_name_init(&name, NULL);
+
+ isc_buffer_activeregion(source, &region);
+ if (region.length < 3) {
+ return (ISC_R_UNEXPECTEDEND);
+ }
+
+ switch (region.base[1]) {
+ case 0:
+ if (region.length < 4) {
+ return (ISC_R_UNEXPECTEDEND);
+ }
+ isc_buffer_forward(source, region.length);
+ return (mem_tobuffer(target, region.base, region.length));
+
+ case 1:
+ if (region.length < 8) {
+ return (ISC_R_UNEXPECTEDEND);
+ }
+ isc_buffer_forward(source, region.length);
+ return (mem_tobuffer(target, region.base, region.length));
+
+ case 2:
+ if (region.length < 20) {
+ return (ISC_R_UNEXPECTEDEND);
+ }
+ isc_buffer_forward(source, region.length);
+ return (mem_tobuffer(target, region.base, region.length));
+
+ case 3:
+ RETERR(mem_tobuffer(target, region.base, 3));
+ isc_buffer_forward(source, 3);
+ RETERR(dns_name_fromwire(&name, source, dctx, options, target));
+ isc_buffer_activeregion(source, &region);
+ isc_buffer_forward(source, region.length);
+ if (region.length < 1) {
+ return (ISC_R_UNEXPECTEDEND);
+ }
+ return (mem_tobuffer(target, region.base, region.length));
+
+ default:
+ return (ISC_R_NOTIMPLEMENTED);
+ }
+}
+
+static isc_result_t
+towire_ipseckey(ARGS_TOWIRE) {
+ isc_region_t region;
+
+ REQUIRE(rdata->type == dns_rdatatype_ipseckey);
+ REQUIRE(rdata->length != 0);
+
+ UNUSED(cctx);
+
+ dns_rdata_toregion(rdata, &region);
+ return (mem_tobuffer(target, region.base, region.length));
+}
+
+static int
+compare_ipseckey(ARGS_COMPARE) {
+ isc_region_t region1;
+ isc_region_t region2;
+
+ REQUIRE(rdata1->type == rdata2->type);
+ REQUIRE(rdata1->rdclass == rdata2->rdclass);
+ REQUIRE(rdata1->type == dns_rdatatype_ipseckey);
+ REQUIRE(rdata1->length >= 3);
+ REQUIRE(rdata2->length >= 3);
+
+ dns_rdata_toregion(rdata1, &region1);
+ dns_rdata_toregion(rdata2, &region2);
+
+ return (isc_region_compare(&region1, &region2));
+}
+
+static isc_result_t
+fromstruct_ipseckey(ARGS_FROMSTRUCT) {
+ dns_rdata_ipseckey_t *ipseckey = source;
+ isc_region_t region;
+ uint32_t n;
+
+ REQUIRE(type == dns_rdatatype_ipseckey);
+ REQUIRE(ipseckey != NULL);
+ REQUIRE(ipseckey->common.rdtype == type);
+ REQUIRE(ipseckey->common.rdclass == rdclass);
+
+ UNUSED(type);
+ UNUSED(rdclass);
+
+ if (ipseckey->gateway_type > 3U) {
+ return (ISC_R_NOTIMPLEMENTED);
+ }
+
+ RETERR(uint8_tobuffer(ipseckey->precedence, target));
+ RETERR(uint8_tobuffer(ipseckey->gateway_type, target));
+ RETERR(uint8_tobuffer(ipseckey->algorithm, target));
+
+ switch (ipseckey->gateway_type) {
+ case 0:
+ break;
+
+ case 1:
+ n = ntohl(ipseckey->in_addr.s_addr);
+ RETERR(uint32_tobuffer(n, target));
+ break;
+
+ case 2:
+ RETERR(mem_tobuffer(target, ipseckey->in6_addr.s6_addr, 16));
+ break;
+
+ case 3:
+ dns_name_toregion(&ipseckey->gateway, &region);
+ RETERR(isc_buffer_copyregion(target, &region));
+ break;
+ }
+
+ return (mem_tobuffer(target, ipseckey->key, ipseckey->keylength));
+}
+
+static isc_result_t
+tostruct_ipseckey(ARGS_TOSTRUCT) {
+ isc_region_t region;
+ dns_rdata_ipseckey_t *ipseckey = target;
+ dns_name_t name;
+ uint32_t n;
+
+ REQUIRE(rdata->type == dns_rdatatype_ipseckey);
+ REQUIRE(ipseckey != NULL);
+ REQUIRE(rdata->length >= 3);
+
+ if (rdata->data[1] > 3U) {
+ return (ISC_R_NOTIMPLEMENTED);
+ }
+
+ ipseckey->common.rdclass = rdata->rdclass;
+ ipseckey->common.rdtype = rdata->type;
+ ISC_LINK_INIT(&ipseckey->common, link);
+
+ dns_name_init(&name, NULL);
+ dns_rdata_toregion(rdata, &region);
+
+ ipseckey->precedence = uint8_fromregion(&region);
+ isc_region_consume(&region, 1);
+
+ ipseckey->gateway_type = uint8_fromregion(&region);
+ isc_region_consume(&region, 1);
+
+ ipseckey->algorithm = uint8_fromregion(&region);
+ isc_region_consume(&region, 1);
+
+ switch (ipseckey->gateway_type) {
+ case 0:
+ break;
+
+ case 1:
+ n = uint32_fromregion(&region);
+ ipseckey->in_addr.s_addr = htonl(n);
+ isc_region_consume(&region, 4);
+ break;
+
+ case 2:
+ memmove(ipseckey->in6_addr.s6_addr, region.base, 16);
+ isc_region_consume(&region, 16);
+ break;
+
+ case 3:
+ dns_name_init(&ipseckey->gateway, NULL);
+ dns_name_fromregion(&name, &region);
+ name_duporclone(&name, mctx, &ipseckey->gateway);
+ isc_region_consume(&region, name_length(&name));
+ break;
+ }
+
+ ipseckey->keylength = region.length;
+ if (ipseckey->keylength != 0U) {
+ ipseckey->key = mem_maybedup(mctx, region.base,
+ ipseckey->keylength);
+ if (ipseckey->key == NULL) {
+ if (ipseckey->gateway_type == 3) {
+ dns_name_free(&ipseckey->gateway,
+ ipseckey->mctx);
+ }
+ return (ISC_R_NOMEMORY);
+ }
+ } else {
+ ipseckey->key = NULL;
+ }
+
+ ipseckey->mctx = mctx;
+ return (ISC_R_SUCCESS);
+}
+
+static void
+freestruct_ipseckey(ARGS_FREESTRUCT) {
+ dns_rdata_ipseckey_t *ipseckey = source;
+
+ REQUIRE(ipseckey != NULL);
+ REQUIRE(ipseckey->common.rdtype == dns_rdatatype_ipseckey);
+
+ if (ipseckey->mctx == NULL) {
+ return;
+ }
+
+ if (ipseckey->gateway_type == 3) {
+ dns_name_free(&ipseckey->gateway, ipseckey->mctx);
+ }
+
+ if (ipseckey->key != NULL) {
+ isc_mem_free(ipseckey->mctx, ipseckey->key);
+ }
+
+ ipseckey->mctx = NULL;
+}
+
+static isc_result_t
+additionaldata_ipseckey(ARGS_ADDLDATA) {
+ REQUIRE(rdata->type == dns_rdatatype_ipseckey);
+
+ UNUSED(rdata);
+ UNUSED(owner);
+ UNUSED(add);
+ UNUSED(arg);
+
+ return (ISC_R_SUCCESS);
+}
+
+static isc_result_t
+digest_ipseckey(ARGS_DIGEST) {
+ isc_region_t region;
+
+ REQUIRE(rdata->type == dns_rdatatype_ipseckey);
+
+ dns_rdata_toregion(rdata, &region);
+ return ((digest)(arg, &region));
+}
+
+static bool
+checkowner_ipseckey(ARGS_CHECKOWNER) {
+ REQUIRE(type == dns_rdatatype_ipseckey);
+
+ UNUSED(name);
+ UNUSED(type);
+ UNUSED(rdclass);
+ UNUSED(wildcard);
+
+ return (true);
+}
+
+static bool
+checknames_ipseckey(ARGS_CHECKNAMES) {
+ REQUIRE(rdata->type == dns_rdatatype_ipseckey);
+
+ UNUSED(rdata);
+ UNUSED(owner);
+ UNUSED(bad);
+
+ return (true);
+}
+
+static int
+casecompare_ipseckey(ARGS_COMPARE) {
+ isc_region_t region1;
+ isc_region_t region2;
+ dns_name_t name1;
+ dns_name_t name2;
+ int order;
+
+ REQUIRE(rdata1->type == rdata2->type);
+ REQUIRE(rdata1->rdclass == rdata2->rdclass);
+ REQUIRE(rdata1->type == dns_rdatatype_ipseckey);
+ REQUIRE(rdata1->length >= 3);
+ REQUIRE(rdata2->length >= 3);
+
+ dns_rdata_toregion(rdata1, &region1);
+ dns_rdata_toregion(rdata2, &region2);
+
+ if (memcmp(region1.base, region2.base, 3) != 0 || region1.base[1] != 3)
+ {
+ return (isc_region_compare(&region1, &region2));
+ }
+
+ dns_name_init(&name1, NULL);
+ dns_name_init(&name2, NULL);
+
+ isc_region_consume(&region1, 3);
+ isc_region_consume(&region2, 3);
+
+ 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));
+
+ return (isc_region_compare(&region1, &region2));
+}
+
+#endif /* RDATA_GENERIC_IPSECKEY_45_C */