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/* Copyright (C) 2019 CZ.NIC, z.s.p.o. <knot-dns@labs.nic.cz>
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#include <assert.h>
#include <stdio.h>
#include <string.h>
#include "libdnssec/error.h"
#include "knot/dnssec/kasp/keystore.h"
#include "knot/conf/schema.h"
#include "libknot/error.h"
static char *fix_path(const char *config, const char *base_path)
{
assert(config);
assert(base_path);
char *path = NULL;
if (config[0] == '/') {
path = strdup(config);
} else {
if (asprintf(&path, "%s/%s", base_path, config) == -1) {
path = NULL;
}
}
return path;
}
int keystore_load(const char *config, unsigned backend,
const char *kasp_base_path, dnssec_keystore_t **keystore)
{
int ret = DNSSEC_EINVAL;
char *fixed_config = NULL;
switch (backend) {
case KEYSTORE_BACKEND_PEM:
ret = dnssec_keystore_init_pkcs8(keystore);
fixed_config = fix_path(config, kasp_base_path);
break;
case KEYSTORE_BACKEND_PKCS11:
ret = dnssec_keystore_init_pkcs11(keystore);
fixed_config = strdup(config);
break;
default:
assert(0);
}
if (ret != DNSSEC_EOK) {
free(fixed_config);
return knot_error_from_libdnssec(ret);
}
if (fixed_config == NULL) {
dnssec_keystore_deinit(*keystore);
*keystore = NULL;
return KNOT_ENOMEM;
}
ret = dnssec_keystore_init(*keystore, fixed_config);
if (ret != DNSSEC_EOK) {
free(fixed_config);
dnssec_keystore_deinit(*keystore);
*keystore = NULL;
return knot_error_from_libdnssec(ret);
}
ret = dnssec_keystore_open(*keystore, fixed_config);
free(fixed_config);
if (ret != DNSSEC_EOK) {
dnssec_keystore_deinit(*keystore);
*keystore = NULL;
return knot_error_from_libdnssec(ret);
}
return KNOT_EOK;
}
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