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/*
* Copyright (c) 2016 Thomas Pornin <pornin@bolet.org>
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#include "brssl.h"
/* see brssl.h */
void *
xmalloc(size_t len)
{
void *buf;
if (len == 0) {
return NULL;
}
buf = malloc(len);
if (buf == NULL) {
fprintf(stderr, "ERROR: could not allocate %lu byte(s)\n",
(unsigned long)len);
exit(EXIT_FAILURE);
}
return buf;
}
/* see brssl.h */
void
xfree(void *buf)
{
if (buf != NULL) {
free(buf);
}
}
/* see brssl.h */
void *
xblobdup(const void *src, size_t len)
{
void *buf;
buf = xmalloc(len);
memcpy(buf, src, len);
return buf;
}
/* see brssl.h */
char *
xstrdup(const void *src)
{
return xblobdup(src, strlen(src) + 1);
}
/* see brssl.h */
br_x509_pkey *
xpkeydup(const br_x509_pkey *pk)
{
br_x509_pkey *pk2;
pk2 = xmalloc(sizeof *pk2);
pk2->key_type = pk->key_type;
switch (pk->key_type) {
case BR_KEYTYPE_RSA:
pk2->key.rsa.n = xblobdup(pk->key.rsa.n, pk->key.rsa.nlen);
pk2->key.rsa.nlen = pk->key.rsa.nlen;
pk2->key.rsa.e = xblobdup(pk->key.rsa.e, pk->key.rsa.elen);
pk2->key.rsa.elen = pk->key.rsa.elen;
break;
case BR_KEYTYPE_EC:
pk2->key.ec.curve = pk->key.ec.curve;
pk2->key.ec.q = xblobdup(pk->key.ec.q, pk->key.ec.qlen);
pk2->key.ec.qlen = pk->key.ec.qlen;
break;
default:
fprintf(stderr, "Unknown public key type: %u\n",
(unsigned)pk->key_type);
exit(EXIT_FAILURE);
}
return pk2;
}
/* see brssl.h */
void
xfreepkey(br_x509_pkey *pk)
{
if (pk != NULL) {
switch (pk->key_type) {
case BR_KEYTYPE_RSA:
xfree(pk->key.rsa.n);
xfree(pk->key.rsa.e);
break;
case BR_KEYTYPE_EC:
xfree(pk->key.ec.q);
break;
default:
fprintf(stderr, "Unknown public key type: %u\n",
(unsigned)pk->key_type);
exit(EXIT_FAILURE);
}
xfree(pk);
}
}
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