mirror of
https://gitlab.isc.org/isc-projects/bind9
synced 2025-08-22 10:10:06 +00:00
bc1d4c9cb4
Also disable the semantic patch as the code needs tweaks here and there because some destroy functions might not destroy the object and return early if the object is still in use.
155 lines
3.2 KiB
C
155 lines
3.2 KiB
C
/*
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* Copyright (C) Internet Systems Consortium, Inc. ("ISC")
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* See the COPYRIGHT file distributed with this work for additional
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* information regarding copyright ownership.
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*/
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#include <isc/mem.h>
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#include <isc/util.h>
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#include <pk11/site.h>
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#include <dns/tsec.h>
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#include <dns/tsig.h>
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#include <dns/result.h>
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#include <dst/dst.h>
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#define DNS_TSEC_MAGIC ISC_MAGIC('T', 's', 'e', 'c')
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#define DNS_TSEC_VALID(t) ISC_MAGIC_VALID(t, DNS_TSEC_MAGIC)
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/*%
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* DNS Transaction Security object. We assume this is not shared by
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* multiple threads, and so the structure does not contain a lock.
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*/
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struct dns_tsec {
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unsigned int magic;
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dns_tsectype_t type;
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isc_mem_t *mctx;
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union {
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dns_tsigkey_t *tsigkey;
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dst_key_t *key;
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} ukey;
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};
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isc_result_t
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dns_tsec_create(isc_mem_t *mctx, dns_tsectype_t type, dst_key_t *key,
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dns_tsec_t **tsecp)
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{
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isc_result_t result;
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dns_tsec_t *tsec;
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dns_tsigkey_t *tsigkey = NULL;
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const dns_name_t *algname;
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REQUIRE(mctx != NULL);
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REQUIRE(tsecp != NULL && *tsecp == NULL);
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tsec = isc_mem_get(mctx, sizeof(*tsec));
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tsec->type = type;
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tsec->mctx = mctx;
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switch (type) {
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case dns_tsectype_tsig:
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switch (dst_key_alg(key)) {
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case DST_ALG_HMACMD5:
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algname = dns_tsig_hmacmd5_name;
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break;
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case DST_ALG_HMACSHA1:
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algname = dns_tsig_hmacsha1_name;
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break;
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case DST_ALG_HMACSHA224:
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algname = dns_tsig_hmacsha224_name;
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break;
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case DST_ALG_HMACSHA256:
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algname = dns_tsig_hmacsha256_name;
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break;
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case DST_ALG_HMACSHA384:
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algname = dns_tsig_hmacsha384_name;
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break;
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case DST_ALG_HMACSHA512:
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algname = dns_tsig_hmacsha512_name;
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break;
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default:
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isc_mem_put(mctx, tsec, sizeof(*tsec));
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return (DNS_R_BADALG);
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}
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result = dns_tsigkey_createfromkey(dst_key_name(key),
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algname, key, false,
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NULL, 0, 0, mctx, NULL,
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&tsigkey);
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if (result != ISC_R_SUCCESS) {
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isc_mem_put(mctx, tsec, sizeof(*tsec));
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return (result);
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}
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tsec->ukey.tsigkey = tsigkey;
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break;
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case dns_tsectype_sig0:
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tsec->ukey.key = key;
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break;
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default:
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INSIST(0);
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ISC_UNREACHABLE();
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}
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tsec->magic = DNS_TSEC_MAGIC;
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*tsecp = tsec;
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return (ISC_R_SUCCESS);
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}
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void
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dns_tsec_destroy(dns_tsec_t **tsecp) {
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dns_tsec_t *tsec;
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REQUIRE(tsecp != NULL && *tsecp != NULL);
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tsec = *tsecp;
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*tsecp = NULL;
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REQUIRE(DNS_TSEC_VALID(tsec));
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switch (tsec->type) {
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case dns_tsectype_tsig:
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dns_tsigkey_detach(&tsec->ukey.tsigkey);
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break;
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case dns_tsectype_sig0:
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dst_key_free(&tsec->ukey.key);
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break;
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default:
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INSIST(0);
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ISC_UNREACHABLE();
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}
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tsec->magic = 0;
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isc_mem_put(tsec->mctx, tsec, sizeof(*tsec));
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}
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dns_tsectype_t
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dns_tsec_gettype(dns_tsec_t *tsec) {
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REQUIRE(DNS_TSEC_VALID(tsec));
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return (tsec->type);
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}
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void
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dns_tsec_getkey(dns_tsec_t *tsec, void *keyp) {
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REQUIRE(DNS_TSEC_VALID(tsec));
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REQUIRE(keyp != NULL);
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switch (tsec->type) {
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case dns_tsectype_tsig:
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dns_tsigkey_attach(tsec->ukey.tsigkey, (dns_tsigkey_t **)keyp);
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break;
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case dns_tsectype_sig0:
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*(dst_key_t **)keyp = tsec->ukey.key;
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break;
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default:
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INSIST(0);
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ISC_UNREACHABLE();
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}
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}
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