2019-07-11 05:11:27 +08:00
|
|
|
/*
|
2020-06-04 21:33:57 +08:00
|
|
|
* Copyright 2019-2020 The OpenSSL Project Authors. All Rights Reserved.
|
2019-07-11 05:11:27 +08:00
|
|
|
*
|
|
|
|
* Licensed under the Apache License 2.0 (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 <openssl/core.h>
|
|
|
|
#include <openssl/core_numbers.h>
|
|
|
|
#include "internal/core.h"
|
|
|
|
#include "internal/property.h"
|
|
|
|
#include "internal/provider.h"
|
|
|
|
|
|
|
|
struct algorithm_data_st {
|
|
|
|
OPENSSL_CTX *libctx;
|
|
|
|
int operation_id; /* May be zero for finding them all */
|
2020-05-15 21:56:05 +08:00
|
|
|
int (*pre)(OSSL_PROVIDER *, int operation_id, void *data, int *result);
|
2019-07-11 05:11:27 +08:00
|
|
|
void (*fn)(OSSL_PROVIDER *, const OSSL_ALGORITHM *, int no_store,
|
|
|
|
void *data);
|
2020-05-15 21:56:05 +08:00
|
|
|
int (*post)(OSSL_PROVIDER *, int operation_id, int no_store, void *data,
|
|
|
|
int *result);
|
2019-07-11 05:11:27 +08:00
|
|
|
void *data;
|
|
|
|
};
|
|
|
|
|
|
|
|
static int algorithm_do_this(OSSL_PROVIDER *provider, void *cbdata)
|
|
|
|
{
|
|
|
|
struct algorithm_data_st *data = cbdata;
|
|
|
|
int no_store = 0; /* Assume caching is ok */
|
|
|
|
int first_operation = 1;
|
|
|
|
int last_operation = OSSL_OP__HIGHEST;
|
|
|
|
int cur_operation;
|
|
|
|
int ok = 0;
|
|
|
|
|
|
|
|
if (data->operation_id != 0)
|
|
|
|
first_operation = last_operation = data->operation_id;
|
|
|
|
|
|
|
|
for (cur_operation = first_operation;
|
|
|
|
cur_operation <= last_operation;
|
|
|
|
cur_operation++) {
|
2020-05-15 21:56:05 +08:00
|
|
|
const OSSL_ALGORITHM *map = NULL;
|
|
|
|
int ret;
|
2019-07-11 05:11:27 +08:00
|
|
|
|
2020-05-15 21:56:05 +08:00
|
|
|
/* Do we fulfill pre-conditions? */
|
|
|
|
if (data->pre == NULL) {
|
|
|
|
/* If there is no pre-condition function, assume "yes" */
|
|
|
|
ret = 1;
|
|
|
|
} else {
|
|
|
|
if (!data->pre(provider, cur_operation, data->data, &ret))
|
|
|
|
/* Error, bail out! */
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* If pre-condition not fulfilled, go to the next operation */
|
|
|
|
if (!ret)
|
|
|
|
continue;
|
|
|
|
|
|
|
|
map = ossl_provider_query_operation(provider, cur_operation,
|
|
|
|
&no_store);
|
2019-07-11 05:11:27 +08:00
|
|
|
if (map == NULL)
|
2020-05-15 13:50:43 +08:00
|
|
|
continue;
|
2019-07-11 05:11:27 +08:00
|
|
|
|
2019-05-23 09:36:21 +08:00
|
|
|
while (map->algorithm_names != NULL) {
|
2019-07-11 05:11:27 +08:00
|
|
|
const OSSL_ALGORITHM *thismap = map++;
|
|
|
|
|
|
|
|
data->fn(provider, thismap, no_store, data->data);
|
|
|
|
}
|
2020-05-15 21:56:05 +08:00
|
|
|
|
|
|
|
/* Do we fulfill post-conditions? */
|
|
|
|
if (data->post == NULL) {
|
|
|
|
/* If there is no post-condition function, assume "yes" */
|
|
|
|
ret = 1;
|
|
|
|
} else {
|
|
|
|
if (!data->post(provider, cur_operation, no_store, data->data,
|
|
|
|
&ret))
|
|
|
|
/* Error, bail out! */
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* If post-condition fulfilled, set general success */
|
|
|
|
if (ret)
|
|
|
|
ok = 1;
|
2019-07-11 05:11:27 +08:00
|
|
|
}
|
|
|
|
|
|
|
|
return ok;
|
|
|
|
}
|
|
|
|
|
|
|
|
void ossl_algorithm_do_all(OPENSSL_CTX *libctx, int operation_id,
|
|
|
|
OSSL_PROVIDER *provider,
|
2020-05-15 21:56:05 +08:00
|
|
|
int (*pre)(OSSL_PROVIDER *, int operation_id,
|
|
|
|
void *data, int *result),
|
2019-07-11 05:11:27 +08:00
|
|
|
void (*fn)(OSSL_PROVIDER *provider,
|
|
|
|
const OSSL_ALGORITHM *algo,
|
|
|
|
int no_store, void *data),
|
2020-05-15 21:56:05 +08:00
|
|
|
int (*post)(OSSL_PROVIDER *, int operation_id,
|
|
|
|
int no_store, void *data, int *result),
|
2019-07-11 05:11:27 +08:00
|
|
|
void *data)
|
|
|
|
{
|
2020-05-15 21:56:05 +08:00
|
|
|
struct algorithm_data_st cbdata = { 0, };
|
2019-07-11 05:11:27 +08:00
|
|
|
|
|
|
|
cbdata.libctx = libctx;
|
|
|
|
cbdata.operation_id = operation_id;
|
2020-05-15 21:56:05 +08:00
|
|
|
cbdata.pre = pre;
|
2019-07-11 05:11:27 +08:00
|
|
|
cbdata.fn = fn;
|
2020-05-15 21:56:05 +08:00
|
|
|
cbdata.post = post;
|
2019-07-11 05:11:27 +08:00
|
|
|
cbdata.data = data;
|
|
|
|
|
|
|
|
if (provider == NULL)
|
|
|
|
ossl_provider_forall_loaded(libctx, algorithm_do_this, &cbdata);
|
|
|
|
else
|
|
|
|
algorithm_do_this(provider, &cbdata);
|
|
|
|
}
|