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/*
* Copyright (C) 2004-2006 Internet Systems Consortium, Inc. ("ISC")
* 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 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: tkeyconf.c,v 1.20.18.6 2006/03/02 00:37:21 marka Exp $ */
/*! \file */
#include <config.h>
#include <isc/buffer.h>
#include <isc/string.h> /* Required for HP/UX (and others?) */
#include <isc/mem.h>
#include <isccfg/cfg.h>
#include <dns/fixedname.h>
#include <dns/keyvalues.h>
#include <dns/name.h>
#include <dns/tkey.h>
#include <dst/gssapi.h>
#include <named/tkeyconf.h>
#define RETERR(x) do { \
result = (x); \
if (result != ISC_R_SUCCESS) \
goto failure; \
} while (0)
isc_result_t
ns_tkeyctx_fromconfig(const cfg_obj_t *options, isc_mem_t *mctx,
isc_entropy_t *ectx, dns_tkeyctx_t **tctxp)
{
isc_result_t result;
dns_tkeyctx_t *tctx = NULL;
const char *s;
isc_uint32_t n;
dns_fixedname_t fname;
dns_name_t *name;
isc_buffer_t b;
const cfg_obj_t *obj;
int type;
result = dns_tkeyctx_create(mctx, ectx, &tctx);
if (result != ISC_R_SUCCESS)
return (result);
obj = NULL;
result = cfg_map_get(options, "tkey-dhkey", &obj);
if (result == ISC_R_SUCCESS) {
s = cfg_obj_asstring(cfg_tuple_get(obj, "name"));
n = cfg_obj_asuint32(cfg_tuple_get(obj, "keyid"));
isc_buffer_init(&b, s, strlen(s));
isc_buffer_add(&b, strlen(s));
dns_fixedname_init(&fname);
name = dns_fixedname_name(&fname);
RETERR(dns_name_fromtext(name, &b, dns_rootname,
ISC_FALSE, NULL));
type = DST_TYPE_PUBLIC|DST_TYPE_PRIVATE|DST_TYPE_KEY;
RETERR(dst_key_fromfile(name, (dns_keytag_t) n, DNS_KEYALG_DH,
type, NULL, mctx, &tctx->dhkey));
}
obj = NULL;
result = cfg_map_get(options, "tkey-domain", &obj);
if (result == ISC_R_SUCCESS) {
s = cfg_obj_asstring(obj);
isc_buffer_init(&b, s, strlen(s));
isc_buffer_add(&b, strlen(s));
dns_fixedname_init(&fname);
name = dns_fixedname_name(&fname);
RETERR(dns_name_fromtext(name, &b, dns_rootname, ISC_FALSE,
NULL));
tctx->domain = isc_mem_get(mctx, sizeof(dns_name_t));
if (tctx->domain == NULL) {
result = ISC_R_NOMEMORY;
goto failure;
}
dns_name_init(tctx->domain, NULL);
RETERR(dns_name_dup(name, mctx, tctx->domain));
}
obj = NULL;
result = cfg_map_get(options, "tkey-gssapi-credential", &obj);
if (result == ISC_R_SUCCESS) {
s = cfg_obj_asstring(obj);
isc_buffer_init(&b, s, strlen(s));
isc_buffer_add(&b, strlen(s));
dns_fixedname_init(&fname);
name = dns_fixedname_name(&fname);
RETERR(dns_name_fromtext(name, &b, dns_rootname, ISC_FALSE,
NULL));
RETERR(dst_gssapi_acquirecred(name, ISC_FALSE,
&tctx->gsscred));
}
*tctxp = tctx;
return (ISC_R_SUCCESS);
failure:
dns_tkeyctx_destroy(&tctx);
return (result);
}
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