diff options
Diffstat (limited to 'contrib/bind9/lib/dns/ds.c')
| -rw-r--r-- | contrib/bind9/lib/dns/ds.c | 104 |
1 files changed, 0 insertions, 104 deletions
diff --git a/contrib/bind9/lib/dns/ds.c b/contrib/bind9/lib/dns/ds.c deleted file mode 100644 index 7cd1609..0000000 --- a/contrib/bind9/lib/dns/ds.c +++ /dev/null @@ -1,104 +0,0 @@ -/* - * Copyright (C) 2004-2006 Internet Systems Consortium, Inc. ("ISC") - * Copyright (C) 2002, 2003 Internet Software Consortium. - * - * Permission to use, copy, modify, and distribute this software for any - * purpose with or without fee is hereby granted, provided that the above - * copyright notice and this permission notice appear in all copies. - * - * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH - * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY - * AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT, - * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM - * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE - * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR - * PERFORMANCE OF THIS SOFTWARE. - */ - -/* $Id: ds.c,v 1.4.20.5 2006/02/22 23:50:09 marka Exp $ */ - -/*! \file */ - -#include <config.h> - -#include <string.h> - -#include <isc/buffer.h> -#include <isc/region.h> -#include <isc/sha1.h> -#include <isc/sha2.h> -#include <isc/util.h> - -#include <dns/ds.h> -#include <dns/fixedname.h> -#include <dns/name.h> -#include <dns/rdata.h> -#include <dns/rdatastruct.h> -#include <dns/result.h> - -#include <dst/dst.h> - -isc_result_t -dns_ds_buildrdata(dns_name_t *owner, dns_rdata_t *key, - unsigned int digest_type, unsigned char *buffer, - dns_rdata_t *rdata) -{ - dns_fixedname_t fname; - dns_name_t *name; - unsigned char digest[ISC_SHA256_DIGESTLENGTH]; - isc_region_t r; - isc_buffer_t b; - dns_rdata_ds_t ds; - - REQUIRE(key != NULL); - REQUIRE(key->type == dns_rdatatype_dnskey); - - if (!dns_ds_digest_supported(digest_type)) - return (ISC_R_NOTIMPLEMENTED); - - dns_fixedname_init(&fname); - name = dns_fixedname_name(&fname); - (void)dns_name_downcase(owner, name, NULL); - - memset(buffer, 0, DNS_DS_BUFFERSIZE); - isc_buffer_init(&b, buffer, DNS_DS_BUFFERSIZE); - - if (digest_type == DNS_DSDIGEST_SHA1) { - isc_sha1_t sha1; - isc_sha1_init(&sha1); - dns_name_toregion(name, &r); - isc_sha1_update(&sha1, r.base, r.length); - dns_rdata_toregion(key, &r); - INSIST(r.length >= 4); - isc_sha1_update(&sha1, r.base, r.length); - isc_sha1_final(&sha1, digest); - } else { - isc_sha256_t sha256; - isc_sha256_init(&sha256); - dns_name_toregion(name, &r); - isc_sha256_update(&sha256, r.base, r.length); - dns_rdata_toregion(key, &r); - INSIST(r.length >= 4); - isc_sha256_update(&sha256, r.base, r.length); - isc_sha256_final(digest, &sha256); - } - - ds.mctx = NULL; - ds.common.rdclass = key->rdclass; - ds.common.rdtype = dns_rdatatype_ds; - ds.algorithm = r.base[3]; - ds.key_tag = dst_region_computeid(&r, ds.algorithm); - ds.digest_type = digest_type; - ds.length = (digest_type == DNS_DSDIGEST_SHA1) ? - ISC_SHA1_DIGESTLENGTH : ISC_SHA256_DIGESTLENGTH; - ds.digest = digest; - - return (dns_rdata_fromstruct(rdata, key->rdclass, dns_rdatatype_ds, - &ds, &b)); -} - -isc_boolean_t -dns_ds_digest_supported(unsigned int digest_type) { - return (ISC_TF(digest_type == DNS_DSDIGEST_SHA1 || - digest_type == DNS_DSDIGEST_SHA256)); -} |
