mir/bind
2
0
Fork 0
mirror of https://gitlab.isc.org/isc-projects/bind9 synced 2025-08-31 22:45:39 +00:00
Code Issues Releases Wiki Activity

1328. [func] DS (delegation signer) support.

Browse Source
This commit is contained in:
Mark Andrews
2002-06-17 04:01:37 +00:00
parent 6a3c86ff43
commit 0b09763c35
24 changed files with 1628 additions and 976 deletions
Download Patch File Download Diff File Expand all files Collapse all files

80
lib/dns/ds.c Normal file
View File

@@ -0,0 +1,80 @@
/*
* Copyright (C) 1999-2001 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 INTERNET SOFTWARE CONSORTIUM
* DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL
* INTERNET SOFTWARE CONSORTIUM 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 1.2 2002/06/17 04:01:18 marka Exp $ */
#include <config.h>
#include <string.h>
#include <isc/buffer.h>
#include <isc/region.h>
#include <isc/sha1.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)
{
isc_sha1_t sha1;
dns_fixedname_t fname;
dns_name_t *name;
unsigned char digest[ISC_SHA1_DIGESTLENGTH];
isc_region_t r;
isc_buffer_t b;
dns_rdata_ds_t ds;
if (digest_type != DNS_DSDIGEST_SHA1)
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);
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);
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 = DNS_DSDIGEST_SHA1;
ds.length = ISC_SHA1_DIGESTLENGTH;
ds.digest = digest;
return (dns_rdata_fromstruct(rdata, key->rdclass, dns_rdatatype_ds,
&ds, &b));
}