115 lines
3.0 KiB
C
115 lines
3.0 KiB
C
|
/*
|
||
|
|
* Copyright 2006-2018 The OpenSSL Project Authors. All Rights Reserved.
|
||
|
|
*
|
||
|
|
* Licensed under the OpenSSL license (the "License"). You may not use
|
||
|
|
* this file except in compliance with the License. You can obtain a copy
|
||
|
|
* in the file LICENSE in the source distribution or at
|
||
|
|
* https://www.openssl.org/source/license.html
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include "eng_local.h"
|
||
|
|
#include <openssl/evp.h>
|
||
|
|
|
||
|
|
static ENGINE_TABLE *pkey_meth_table = NULL;
|
||
|
|
|
||
|
|
void ENGINE_unregister_pkey_meths(ENGINE *e)
|
||
|
|
{
|
||
|
|
engine_table_unregister(&pkey_meth_table, e);
|
||
|
|
}
|
||
|
|
|
||
|
|
static void engine_unregister_all_pkey_meths(void)
|
||
|
|
{
|
||
|
|
engine_table_cleanup(&pkey_meth_table);
|
||
|
|
}
|
||
|
|
|
||
|
|
int ENGINE_register_pkey_meths(ENGINE *e)
|
||
|
|
{
|
||
|
|
if (e->pkey_meths) {
|
||
|
|
const int *nids;
|
||
|
|
int num_nids = e->pkey_meths(e, NULL, &nids, 0);
|
||
|
|
if (num_nids > 0)
|
||
|
|
return engine_table_register(&pkey_meth_table,
|
||
|
|
engine_unregister_all_pkey_meths, e,
|
||
|
|
nids, num_nids, 0);
|
||
|
|
}
|
||
|
|
return 1;
|
||
|
|
}
|
||
|
|
|
||
|
|
void ENGINE_register_all_pkey_meths(void)
|
||
|
|
{
|
||
|
|
ENGINE *e;
|
||
|
|
|
||
|
|
for (e = ENGINE_get_first(); e; e = ENGINE_get_next(e))
|
||
|
|
ENGINE_register_pkey_meths(e);
|
||
|
|
}
|
||
|
|
|
||
|
|
int ENGINE_set_default_pkey_meths(ENGINE *e)
|
||
|
|
{
|
||
|
|
if (e->pkey_meths) {
|
||
|
|
const int *nids;
|
||
|
|
int num_nids = e->pkey_meths(e, NULL, &nids, 0);
|
||
|
|
if (num_nids > 0)
|
||
|
|
return engine_table_register(&pkey_meth_table,
|
||
|
|
engine_unregister_all_pkey_meths, e,
|
||
|
|
nids, num_nids, 1);
|
||
|
|
}
|
||
|
|
return 1;
|
||
|
|
}
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Exposed API function to get a functional reference from the implementation
|
||
|
|
* table (ie. try to get a functional reference from the tabled structural
|
||
|
|
* references) for a given pkey_meth 'nid'
|
||
|
|
*/
|
||
|
|
ENGINE *ENGINE_get_pkey_meth_engine(int nid)
|
||
|
|
{
|
||
|
|
return engine_table_select(&pkey_meth_table, nid);
|
||
|
|
}
|
||
|
|
|
||
|
|
/* Obtains a pkey_meth implementation from an ENGINE functional reference */
|
||
|
|
const EVP_PKEY_METHOD *ENGINE_get_pkey_meth(ENGINE *e, int nid)
|
||
|
|
{
|
||
|
|
EVP_PKEY_METHOD *ret;
|
||
|
|
ENGINE_PKEY_METHS_PTR fn = ENGINE_get_pkey_meths(e);
|
||
|
|
if (!fn || !fn(e, &ret, NULL, nid)) {
|
||
|
|
ENGINEerr(ENGINE_F_ENGINE_GET_PKEY_METH,
|
||
|
|
ENGINE_R_UNIMPLEMENTED_PUBLIC_KEY_METHOD);
|
||
|
|
return NULL;
|
||
|
|
}
|
||
|
|
return ret;
|
||
|
|
}
|
||
|
|
|
||
|
|
/* Gets the pkey_meth callback from an ENGINE structure */
|
||
|
|
ENGINE_PKEY_METHS_PTR ENGINE_get_pkey_meths(const ENGINE *e)
|
||
|
|
{
|
||
|
|
return e->pkey_meths;
|
||
|
|
}
|
||
|
|
|
||
|
|
/* Sets the pkey_meth callback in an ENGINE structure */
|
||
|
|
int ENGINE_set_pkey_meths(ENGINE *e, ENGINE_PKEY_METHS_PTR f)
|
||
|
|
{
|
||
|
|
e->pkey_meths = f;
|
||
|
|
return 1;
|
||
|
|
}
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Internal function to free up EVP_PKEY_METHOD structures before an ENGINE
|
||
|
|
* is destroyed
|
||
|
|
*/
|
||
|
|
|
||
|
|
void engine_pkey_meths_free(ENGINE *e)
|
||
|
|
{
|
||
|
|
int i;
|
||
|
|
EVP_PKEY_METHOD *pkm;
|
||
|
|
if (e->pkey_meths) {
|
||
|
|
const int *pknids;
|
||
|
|
int npknids;
|
||
|
|
npknids = e->pkey_meths(e, NULL, &pknids, 0);
|
||
|
|
for (i = 0; i < npknids; i++) {
|
||
|
|
if (e->pkey_meths(e, &pkm, NULL, pknids[i])) {
|
||
|
|
EVP_PKEY_meth_free(pkm);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|