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/*
* Copyright (C) 1999, 2000 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: tkeyconf.c,v 1.11 2000/06/22 21:54:50 tale Exp $ */
#include <config.h>
#include <isc/buffer.h>
#include <isc/string.h> /* Required for HP/UX (and others?) */
#include <isc/mem.h>
#include <dns/keyvalues.h>
#include <dns/name.h>
#include <dns/tkey.h>
#include <dns/tkeyconf.h>
#define RETERR(x) do { \
result = (x); \
if (result != ISC_R_SUCCESS) \
goto failure; \
} while (0)
isc_result_t
dns_tkeyctx_fromconfig(dns_c_ctx_t *cfg, isc_mem_t *mctx, isc_entropy_t *ectx,
dns_tkeyctx_t **tctxp)
{
isc_result_t result;
dns_tkeyctx_t *tctx = NULL;
char *s;
isc_uint32_t n;
isc_buffer_t b, namebuf;
unsigned char data[1024];
dns_name_t domain, keyname;
result = dns_tkeyctx_create(mctx, ectx, &tctx);
if (result != ISC_R_SUCCESS)
return (result);
s = NULL;
result = dns_c_ctx_gettkeydhkey(cfg, &s, &n);
if (result == ISC_R_NOTFOUND) {
*tctxp = tctx;
return (ISC_R_SUCCESS);
}
isc_buffer_init(&namebuf, data, sizeof(data));
dns_name_init(&keyname, NULL);
isc_buffer_init(&b, s, strlen(s));
isc_buffer_add(&b, strlen(s));
dns_name_fromtext(&keyname, &b, dns_rootname, ISC_FALSE, &namebuf);
RETERR(dst_key_fromfile(&keyname, n, DNS_KEYALG_DH,
DST_TYPE_PUBLIC|DST_TYPE_PRIVATE,
NULL, mctx, &tctx->dhkey));
s = NULL;
RETERR(dns_c_ctx_gettkeydomain(cfg, &s));
dns_name_init(&domain, NULL);
tctx->domain = (dns_name_t *) isc_mem_get(mctx, sizeof(dns_name_t));
if (tctx->domain == NULL) {
result = ISC_R_NOMEMORY;
goto failure;
}
dns_name_init(tctx->domain, NULL);
isc_buffer_init(&b, s, strlen(s));
isc_buffer_add(&b, strlen(s));
RETERR(dns_name_fromtext(&domain, &b, dns_rootname, ISC_FALSE,
&namebuf));
RETERR(dns_name_dup(&domain, mctx, tctx->domain));
*tctxp = tctx;
return (ISC_R_SUCCESS);
failure:
if (tctx->dhkey != NULL)
dst_key_free(&tctx->dhkey);
if (tctx->domain != NULL) {
dns_name_free(tctx->domain, mctx);
isc_mem_put(mctx, tctx->domain, sizeof(dns_name_t));
tctx->domain = NULL;
}
dns_tkeyctx_destroy(&tctx);
return (result);
}
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