mirror of
https://github.com/CloverHackyColor/CloverBootloader.git
synced 2024-12-11 14:28:08 +01:00
691 lines
24 KiB
C
691 lines
24 KiB
C
/*
|
|
* Copyright 2019-2022 The OpenSSL Project Authors. All Rights Reserved.
|
|
*
|
|
* 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 <stddef.h>
|
|
#include <openssl/types.h>
|
|
#include <openssl/evp.h>
|
|
#include <openssl/core.h>
|
|
#include "internal/cryptlib.h"
|
|
#include "internal/thread_once.h"
|
|
#include "internal/property.h"
|
|
#include "internal/core.h"
|
|
#include "internal/provider.h"
|
|
#include "internal/namemap.h"
|
|
#include "internal/property.h"
|
|
#include "crypto/evp.h" /* evp_local.h needs it */
|
|
#include "evp_local.h"
|
|
|
|
#define NAME_SEPARATOR ':'
|
|
|
|
static void evp_method_store_free(void *vstore)
|
|
{
|
|
ossl_method_store_free(vstore);
|
|
}
|
|
|
|
static void *evp_method_store_new(OSSL_LIB_CTX *ctx)
|
|
{
|
|
return ossl_method_store_new(ctx);
|
|
}
|
|
|
|
|
|
static const OSSL_LIB_CTX_METHOD evp_method_store_method = {
|
|
/* We want evp_method_store to be cleaned up before the provider store */
|
|
OSSL_LIB_CTX_METHOD_PRIORITY_2,
|
|
evp_method_store_new,
|
|
evp_method_store_free,
|
|
};
|
|
|
|
/* Data to be passed through ossl_method_construct() */
|
|
struct evp_method_data_st {
|
|
OSSL_LIB_CTX *libctx;
|
|
int operation_id; /* For get_evp_method_from_store() */
|
|
int name_id; /* For get_evp_method_from_store() */
|
|
const char *names; /* For get_evp_method_from_store() */
|
|
const char *propquery; /* For get_evp_method_from_store() */
|
|
|
|
OSSL_METHOD_STORE *tmp_store; /* For get_tmp_evp_method_store() */
|
|
|
|
unsigned int flag_construct_error_occurred : 1;
|
|
|
|
void *(*method_from_algorithm)(int name_id, const OSSL_ALGORITHM *,
|
|
OSSL_PROVIDER *);
|
|
int (*refcnt_up_method)(void *method);
|
|
void (*destruct_method)(void *method);
|
|
};
|
|
|
|
/*
|
|
* Generic routines to fetch / create EVP methods with ossl_method_construct()
|
|
*/
|
|
static void *get_tmp_evp_method_store(void *data)
|
|
{
|
|
struct evp_method_data_st *methdata = data;
|
|
|
|
if (methdata->tmp_store == NULL)
|
|
methdata->tmp_store = ossl_method_store_new(methdata->libctx);
|
|
return methdata->tmp_store;
|
|
}
|
|
|
|
static void dealloc_tmp_evp_method_store(void *store)
|
|
{
|
|
if (store != NULL)
|
|
ossl_method_store_free(store);
|
|
}
|
|
|
|
static OSSL_METHOD_STORE *get_evp_method_store(OSSL_LIB_CTX *libctx)
|
|
{
|
|
return ossl_lib_ctx_get_data(libctx, OSSL_LIB_CTX_EVP_METHOD_STORE_INDEX,
|
|
&evp_method_store_method);
|
|
}
|
|
|
|
static int reserve_evp_method_store(void *store, void *data)
|
|
{
|
|
struct evp_method_data_st *methdata = data;
|
|
|
|
if (store == NULL
|
|
&& (store = get_evp_method_store(methdata->libctx)) == NULL)
|
|
return 0;
|
|
|
|
return ossl_method_lock_store(store);
|
|
}
|
|
|
|
static int unreserve_evp_method_store(void *store, void *data)
|
|
{
|
|
struct evp_method_data_st *methdata = data;
|
|
|
|
if (store == NULL
|
|
&& (store = get_evp_method_store(methdata->libctx)) == NULL)
|
|
return 0;
|
|
|
|
return ossl_method_unlock_store(store);
|
|
}
|
|
|
|
/*
|
|
* To identify the method in the EVP method store, we mix the name identity
|
|
* with the operation identity, under the assumption that we don't have more
|
|
* than 2^23 names or more than 2^8 operation types.
|
|
*
|
|
* The resulting identity is a 31-bit integer, composed like this:
|
|
*
|
|
* +---------23 bits--------+-8 bits-+
|
|
* | name identity | op id |
|
|
* +------------------------+--------+
|
|
*
|
|
* We limit this composite number to 31 bits, thus leaving the top uint32_t
|
|
* bit always zero, to avoid negative sign extension when downshifting after
|
|
* this number happens to be passed to an int (which happens as soon as it's
|
|
* passed to ossl_method_store_cache_set(), and it's in that form that it
|
|
* gets passed along to filter_on_operation_id(), defined further down.
|
|
*/
|
|
#define METHOD_ID_OPERATION_MASK 0x000000FF
|
|
#define METHOD_ID_OPERATION_MAX ((1 << 8) - 1)
|
|
#define METHOD_ID_NAME_MASK 0x7FFFFF00
|
|
#define METHOD_ID_NAME_OFFSET 8
|
|
#define METHOD_ID_NAME_MAX ((1 << 23) - 1)
|
|
static uint32_t evp_method_id(int name_id, unsigned int operation_id)
|
|
{
|
|
if (!ossl_assert(name_id > 0 && name_id <= METHOD_ID_NAME_MAX)
|
|
|| !ossl_assert(operation_id > 0
|
|
&& operation_id <= METHOD_ID_OPERATION_MAX))
|
|
return 0;
|
|
return (((name_id << METHOD_ID_NAME_OFFSET) & METHOD_ID_NAME_MASK)
|
|
| (operation_id & METHOD_ID_OPERATION_MASK));
|
|
}
|
|
|
|
static void *get_evp_method_from_store(void *store, const OSSL_PROVIDER **prov,
|
|
void *data)
|
|
{
|
|
struct evp_method_data_st *methdata = data;
|
|
void *method = NULL;
|
|
int name_id = 0;
|
|
uint32_t meth_id;
|
|
|
|
/*
|
|
* get_evp_method_from_store() is only called to try and get the method
|
|
* that evp_generic_fetch() is asking for, and the operation id as well
|
|
* as the name or name id are passed via methdata.
|
|
*/
|
|
if ((name_id = methdata->name_id) == 0 && methdata->names != NULL) {
|
|
OSSL_NAMEMAP *namemap = ossl_namemap_stored(methdata->libctx);
|
|
const char *names = methdata->names;
|
|
const char *q = strchr(names, NAME_SEPARATOR);
|
|
size_t l = (q == NULL ? strlen(names) : (size_t)(q - names));
|
|
|
|
if (namemap == 0)
|
|
return NULL;
|
|
name_id = ossl_namemap_name2num_n(namemap, names, l);
|
|
}
|
|
|
|
if (name_id == 0
|
|
|| (meth_id = evp_method_id(name_id, methdata->operation_id)) == 0)
|
|
return NULL;
|
|
|
|
if (store == NULL
|
|
&& (store = get_evp_method_store(methdata->libctx)) == NULL)
|
|
return NULL;
|
|
|
|
if (!ossl_method_store_fetch(store, meth_id, methdata->propquery, prov,
|
|
&method))
|
|
return NULL;
|
|
return method;
|
|
}
|
|
|
|
static int put_evp_method_in_store(void *store, void *method,
|
|
const OSSL_PROVIDER *prov,
|
|
const char *names, const char *propdef,
|
|
void *data)
|
|
{
|
|
struct evp_method_data_st *methdata = data;
|
|
OSSL_NAMEMAP *namemap;
|
|
int name_id;
|
|
uint32_t meth_id;
|
|
size_t l = 0;
|
|
|
|
/*
|
|
* put_evp_method_in_store() is only called with an EVP method that was
|
|
* successfully created by construct_method() below, which means that
|
|
* all the names should already be stored in the namemap with the same
|
|
* numeric identity, so just use the first to get that identity.
|
|
*/
|
|
if (names != NULL) {
|
|
const char *q = strchr(names, NAME_SEPARATOR);
|
|
|
|
l = (q == NULL ? strlen(names) : (size_t)(q - names));
|
|
}
|
|
|
|
if ((namemap = ossl_namemap_stored(methdata->libctx)) == NULL
|
|
|| (name_id = ossl_namemap_name2num_n(namemap, names, l)) == 0
|
|
|| (meth_id = evp_method_id(name_id, methdata->operation_id)) == 0)
|
|
return 0;
|
|
|
|
if (store == NULL
|
|
&& (store = get_evp_method_store(methdata->libctx)) == NULL)
|
|
return 0;
|
|
|
|
return ossl_method_store_add(store, prov, meth_id, propdef, method,
|
|
methdata->refcnt_up_method,
|
|
methdata->destruct_method);
|
|
}
|
|
|
|
/*
|
|
* The core fetching functionality passes the name of the implementation.
|
|
* This function is responsible to getting an identity number for it.
|
|
*/
|
|
static void *construct_evp_method(const OSSL_ALGORITHM *algodef,
|
|
OSSL_PROVIDER *prov, void *data)
|
|
{
|
|
/*
|
|
* This function is only called if get_evp_method_from_store() returned
|
|
* NULL, so it's safe to say that of all the spots to create a new
|
|
* namemap entry, this is it. Should the name already exist there, we
|
|
* know that ossl_namemap_add_name() will return its corresponding
|
|
* number.
|
|
*/
|
|
struct evp_method_data_st *methdata = data;
|
|
OSSL_LIB_CTX *libctx = ossl_provider_libctx(prov);
|
|
OSSL_NAMEMAP *namemap = ossl_namemap_stored(libctx);
|
|
const char *names = algodef->algorithm_names;
|
|
int name_id = ossl_namemap_add_names(namemap, 0, names, NAME_SEPARATOR);
|
|
void *method;
|
|
|
|
if (name_id == 0)
|
|
return NULL;
|
|
|
|
method = methdata->method_from_algorithm(name_id, algodef, prov);
|
|
|
|
/*
|
|
* Flag to indicate that there was actual construction errors. This
|
|
* helps inner_evp_generic_fetch() determine what error it should
|
|
* record on inaccessible algorithms.
|
|
*/
|
|
if (method == NULL)
|
|
methdata->flag_construct_error_occurred = 1;
|
|
|
|
return method;
|
|
}
|
|
|
|
static void destruct_evp_method(void *method, void *data)
|
|
{
|
|
struct evp_method_data_st *methdata = data;
|
|
|
|
methdata->destruct_method(method);
|
|
}
|
|
|
|
static void *
|
|
inner_evp_generic_fetch(struct evp_method_data_st *methdata,
|
|
OSSL_PROVIDER *prov, int operation_id,
|
|
int name_id, const char *name,
|
|
const char *properties,
|
|
void *(*new_method)(int name_id,
|
|
const OSSL_ALGORITHM *algodef,
|
|
OSSL_PROVIDER *prov),
|
|
int (*up_ref_method)(void *),
|
|
void (*free_method)(void *))
|
|
{
|
|
OSSL_METHOD_STORE *store = get_evp_method_store(methdata->libctx);
|
|
OSSL_NAMEMAP *namemap = ossl_namemap_stored(methdata->libctx);
|
|
const char *const propq = properties != NULL ? properties : "";
|
|
uint32_t meth_id = 0;
|
|
void *method = NULL;
|
|
int unsupported = 0;
|
|
|
|
if (store == NULL || namemap == NULL) {
|
|
ERR_raise(ERR_LIB_EVP, ERR_R_PASSED_INVALID_ARGUMENT);
|
|
return NULL;
|
|
}
|
|
|
|
/*
|
|
* If there's ever an operation_id == 0 passed, we have an internal
|
|
* programming error.
|
|
*/
|
|
if (!ossl_assert(operation_id > 0)) {
|
|
ERR_raise(ERR_LIB_EVP, ERR_R_INTERNAL_ERROR);
|
|
return NULL;
|
|
}
|
|
|
|
/*
|
|
* If we have been passed both a name_id and a name, we have an
|
|
* internal programming error.
|
|
*/
|
|
if (!ossl_assert(name_id == 0 || name == NULL)) {
|
|
ERR_raise(ERR_LIB_EVP, ERR_R_INTERNAL_ERROR);
|
|
return NULL;
|
|
}
|
|
|
|
/* If we haven't received a name id yet, try to get one for the name */
|
|
if (name_id == 0 && name != NULL)
|
|
name_id = ossl_namemap_name2num(namemap, name);
|
|
|
|
/*
|
|
* If we have a name id, calculate a method id with evp_method_id().
|
|
*
|
|
* evp_method_id returns 0 if we have too many operations (more than
|
|
* about 2^8) or too many names (more than about 2^24). In that case,
|
|
* we can't create any new method.
|
|
* For all intents and purposes, this is an internal error.
|
|
*/
|
|
if (name_id != 0 && (meth_id = evp_method_id(name_id, operation_id)) == 0) {
|
|
ERR_raise(ERR_LIB_EVP, ERR_R_INTERNAL_ERROR);
|
|
return NULL;
|
|
}
|
|
|
|
/*
|
|
* If we haven't found the name yet, chances are that the algorithm to
|
|
* be fetched is unsupported.
|
|
*/
|
|
if (name_id == 0)
|
|
unsupported = 1;
|
|
|
|
if (meth_id == 0
|
|
|| !ossl_method_store_cache_get(store, prov, meth_id, propq, &method)) {
|
|
OSSL_METHOD_CONSTRUCT_METHOD mcm = {
|
|
get_tmp_evp_method_store,
|
|
reserve_evp_method_store,
|
|
unreserve_evp_method_store,
|
|
get_evp_method_from_store,
|
|
put_evp_method_in_store,
|
|
construct_evp_method,
|
|
destruct_evp_method
|
|
};
|
|
|
|
methdata->operation_id = operation_id;
|
|
methdata->name_id = name_id;
|
|
methdata->names = name;
|
|
methdata->propquery = propq;
|
|
methdata->method_from_algorithm = new_method;
|
|
methdata->refcnt_up_method = up_ref_method;
|
|
methdata->destruct_method = free_method;
|
|
methdata->flag_construct_error_occurred = 0;
|
|
if ((method = ossl_method_construct(methdata->libctx, operation_id,
|
|
&prov, 0 /* !force_cache */,
|
|
&mcm, methdata)) != NULL) {
|
|
/*
|
|
* If construction did create a method for us, we know that
|
|
* there is a correct name_id and meth_id, since those have
|
|
* already been calculated in get_evp_method_from_store() and
|
|
* put_evp_method_in_store() above.
|
|
*/
|
|
if (name_id == 0)
|
|
name_id = ossl_namemap_name2num(namemap, name);
|
|
meth_id = evp_method_id(name_id, operation_id);
|
|
if (name_id != 0)
|
|
ossl_method_store_cache_set(store, prov, meth_id, propq,
|
|
method, up_ref_method, free_method);
|
|
}
|
|
|
|
/*
|
|
* If we never were in the constructor, the algorithm to be fetched
|
|
* is unsupported.
|
|
*/
|
|
unsupported = !methdata->flag_construct_error_occurred;
|
|
}
|
|
|
|
if ((name_id != 0 || name != NULL) && method == NULL) {
|
|
int code = unsupported ? ERR_R_UNSUPPORTED : ERR_R_FETCH_FAILED;
|
|
|
|
if (name == NULL)
|
|
name = ossl_namemap_num2name(namemap, name_id, 0);
|
|
ERR_raise_data(ERR_LIB_EVP, code,
|
|
"%s, Algorithm (%s : %d), Properties (%s)",
|
|
ossl_lib_ctx_get_descriptor(methdata->libctx),
|
|
name == NULL ? "<null>" : name, name_id,
|
|
properties == NULL ? "<null>" : properties);
|
|
}
|
|
|
|
return method;
|
|
}
|
|
|
|
void *evp_generic_fetch(OSSL_LIB_CTX *libctx, int operation_id,
|
|
const char *name, const char *properties,
|
|
void *(*new_method)(int name_id,
|
|
const OSSL_ALGORITHM *algodef,
|
|
OSSL_PROVIDER *prov),
|
|
int (*up_ref_method)(void *),
|
|
void (*free_method)(void *))
|
|
{
|
|
struct evp_method_data_st methdata;
|
|
void *method;
|
|
|
|
methdata.libctx = libctx;
|
|
methdata.tmp_store = NULL;
|
|
method = inner_evp_generic_fetch(&methdata, NULL, operation_id,
|
|
0, name, properties,
|
|
new_method, up_ref_method, free_method);
|
|
dealloc_tmp_evp_method_store(methdata.tmp_store);
|
|
return method;
|
|
}
|
|
|
|
/*
|
|
* evp_generic_fetch_by_number() is special, and only returns methods for
|
|
* already known names, i.e. it refuses to work if no name_id can be found
|
|
* (it's considered an internal programming error).
|
|
* This is meant to be used when one method needs to fetch an associated
|
|
* method.
|
|
*/
|
|
void *evp_generic_fetch_by_number(OSSL_LIB_CTX *libctx, int operation_id,
|
|
int name_id, const char *properties,
|
|
void *(*new_method)(int name_id,
|
|
const OSSL_ALGORITHM *algodef,
|
|
OSSL_PROVIDER *prov),
|
|
int (*up_ref_method)(void *),
|
|
void (*free_method)(void *))
|
|
{
|
|
struct evp_method_data_st methdata;
|
|
void *method;
|
|
|
|
methdata.libctx = libctx;
|
|
methdata.tmp_store = NULL;
|
|
method = inner_evp_generic_fetch(&methdata, NULL, operation_id,
|
|
name_id, NULL, properties,
|
|
new_method, up_ref_method, free_method);
|
|
dealloc_tmp_evp_method_store(methdata.tmp_store);
|
|
return method;
|
|
}
|
|
|
|
/*
|
|
* evp_generic_fetch_from_prov() is special, and only returns methods from
|
|
* the given provider.
|
|
* This is meant to be used when one method needs to fetch an associated
|
|
* method.
|
|
*/
|
|
void *evp_generic_fetch_from_prov(OSSL_PROVIDER *prov, int operation_id,
|
|
const char *name, const char *properties,
|
|
void *(*new_method)(int name_id,
|
|
const OSSL_ALGORITHM *algodef,
|
|
OSSL_PROVIDER *prov),
|
|
int (*up_ref_method)(void *),
|
|
void (*free_method)(void *))
|
|
{
|
|
struct evp_method_data_st methdata;
|
|
void *method;
|
|
|
|
methdata.libctx = ossl_provider_libctx(prov);
|
|
methdata.tmp_store = NULL;
|
|
method = inner_evp_generic_fetch(&methdata, prov, operation_id,
|
|
0, name, properties,
|
|
new_method, up_ref_method, free_method);
|
|
dealloc_tmp_evp_method_store(methdata.tmp_store);
|
|
return method;
|
|
}
|
|
|
|
int evp_method_store_cache_flush(OSSL_LIB_CTX *libctx)
|
|
{
|
|
OSSL_METHOD_STORE *store = get_evp_method_store(libctx);
|
|
|
|
if (store != NULL)
|
|
return ossl_method_store_cache_flush_all(store);
|
|
return 1;
|
|
}
|
|
|
|
int evp_method_store_remove_all_provided(const OSSL_PROVIDER *prov)
|
|
{
|
|
OSSL_LIB_CTX *libctx = ossl_provider_libctx(prov);
|
|
OSSL_METHOD_STORE *store = get_evp_method_store(libctx);
|
|
|
|
if (store != NULL)
|
|
return ossl_method_store_remove_all_provided(store, prov);
|
|
return 1;
|
|
}
|
|
|
|
static int evp_set_parsed_default_properties(OSSL_LIB_CTX *libctx,
|
|
OSSL_PROPERTY_LIST *def_prop,
|
|
int loadconfig,
|
|
int mirrored)
|
|
{
|
|
OSSL_METHOD_STORE *store = get_evp_method_store(libctx);
|
|
OSSL_PROPERTY_LIST **plp = ossl_ctx_global_properties(libctx, loadconfig);
|
|
|
|
if (plp != NULL && store != NULL) {
|
|
#ifndef FIPS_MODULE
|
|
char *propstr = NULL;
|
|
size_t strsz;
|
|
|
|
if (mirrored) {
|
|
if (ossl_global_properties_no_mirrored(libctx))
|
|
return 0;
|
|
} else {
|
|
/*
|
|
* These properties have been explicitly set on this libctx, so
|
|
* don't allow any mirroring from a parent libctx.
|
|
*/
|
|
ossl_global_properties_stop_mirroring(libctx);
|
|
}
|
|
|
|
strsz = ossl_property_list_to_string(libctx, def_prop, NULL, 0);
|
|
if (strsz > 0)
|
|
propstr = OPENSSL_malloc(strsz);
|
|
if (propstr == NULL) {
|
|
ERR_raise(ERR_LIB_EVP, ERR_R_INTERNAL_ERROR);
|
|
return 0;
|
|
}
|
|
if (ossl_property_list_to_string(libctx, def_prop, propstr,
|
|
strsz) == 0) {
|
|
OPENSSL_free(propstr);
|
|
ERR_raise(ERR_LIB_EVP, ERR_R_INTERNAL_ERROR);
|
|
return 0;
|
|
}
|
|
ossl_provider_default_props_update(libctx, propstr);
|
|
OPENSSL_free(propstr);
|
|
#endif
|
|
ossl_property_free(*plp);
|
|
*plp = def_prop;
|
|
if (store != NULL)
|
|
return ossl_method_store_cache_flush_all(store);
|
|
}
|
|
ERR_raise(ERR_LIB_EVP, ERR_R_INTERNAL_ERROR);
|
|
return 0;
|
|
}
|
|
|
|
int evp_set_default_properties_int(OSSL_LIB_CTX *libctx, const char *propq,
|
|
int loadconfig, int mirrored)
|
|
{
|
|
OSSL_PROPERTY_LIST *pl = NULL;
|
|
|
|
if (propq != NULL && (pl = ossl_parse_query(libctx, propq, 1)) == NULL) {
|
|
ERR_raise(ERR_LIB_EVP, EVP_R_DEFAULT_QUERY_PARSE_ERROR);
|
|
return 0;
|
|
}
|
|
if (!evp_set_parsed_default_properties(libctx, pl, loadconfig, mirrored)) {
|
|
ossl_property_free(pl);
|
|
return 0;
|
|
}
|
|
return 1;
|
|
}
|
|
|
|
int EVP_set_default_properties(OSSL_LIB_CTX *libctx, const char *propq)
|
|
{
|
|
return evp_set_default_properties_int(libctx, propq, 1, 0);
|
|
}
|
|
|
|
static int evp_default_properties_merge(OSSL_LIB_CTX *libctx, const char *propq,
|
|
int loadconfig)
|
|
{
|
|
OSSL_PROPERTY_LIST **plp = ossl_ctx_global_properties(libctx, loadconfig);
|
|
OSSL_PROPERTY_LIST *pl1, *pl2;
|
|
|
|
if (propq == NULL)
|
|
return 1;
|
|
if (plp == NULL || *plp == NULL)
|
|
return evp_set_default_properties_int(libctx, propq, 0, 0);
|
|
if ((pl1 = ossl_parse_query(libctx, propq, 1)) == NULL) {
|
|
ERR_raise(ERR_LIB_EVP, EVP_R_DEFAULT_QUERY_PARSE_ERROR);
|
|
return 0;
|
|
}
|
|
pl2 = ossl_property_merge(pl1, *plp);
|
|
ossl_property_free(pl1);
|
|
if (pl2 == NULL) {
|
|
ERR_raise(ERR_LIB_EVP, ERR_R_MALLOC_FAILURE);
|
|
return 0;
|
|
}
|
|
if (!evp_set_parsed_default_properties(libctx, pl2, 0, 0)) {
|
|
ossl_property_free(pl2);
|
|
return 0;
|
|
}
|
|
return 1;
|
|
}
|
|
|
|
static int evp_default_property_is_enabled(OSSL_LIB_CTX *libctx,
|
|
const char *prop_name)
|
|
{
|
|
OSSL_PROPERTY_LIST **plp = ossl_ctx_global_properties(libctx, 1);
|
|
|
|
return plp != NULL && ossl_property_is_enabled(libctx, prop_name, *plp);
|
|
}
|
|
|
|
int EVP_default_properties_is_fips_enabled(OSSL_LIB_CTX *libctx)
|
|
{
|
|
return evp_default_property_is_enabled(libctx, "fips");
|
|
}
|
|
|
|
int evp_default_properties_enable_fips_int(OSSL_LIB_CTX *libctx, int enable,
|
|
int loadconfig)
|
|
{
|
|
const char *query = (enable != 0) ? "fips=yes" : "-fips";
|
|
|
|
return evp_default_properties_merge(libctx, query, loadconfig);
|
|
}
|
|
|
|
int EVP_default_properties_enable_fips(OSSL_LIB_CTX *libctx, int enable)
|
|
{
|
|
return evp_default_properties_enable_fips_int(libctx, enable, 1);
|
|
}
|
|
|
|
char *evp_get_global_properties_str(OSSL_LIB_CTX *libctx, int loadconfig)
|
|
{
|
|
OSSL_PROPERTY_LIST **plp = ossl_ctx_global_properties(libctx, loadconfig);
|
|
char *propstr = NULL;
|
|
size_t sz;
|
|
|
|
if (plp == NULL)
|
|
return OPENSSL_strdup("");
|
|
|
|
sz = ossl_property_list_to_string(libctx, *plp, NULL, 0);
|
|
if (sz == 0) {
|
|
ERR_raise(ERR_LIB_EVP, ERR_R_INTERNAL_ERROR);
|
|
return NULL;
|
|
}
|
|
|
|
propstr = OPENSSL_malloc(sz);
|
|
if (propstr == NULL) {
|
|
ERR_raise(ERR_LIB_EVP, ERR_R_MALLOC_FAILURE);
|
|
return NULL;
|
|
}
|
|
if (ossl_property_list_to_string(libctx, *plp, propstr, sz) == 0) {
|
|
ERR_raise(ERR_LIB_EVP, ERR_R_INTERNAL_ERROR);
|
|
OPENSSL_free(propstr);
|
|
return NULL;
|
|
}
|
|
return propstr;
|
|
}
|
|
|
|
struct filter_data_st {
|
|
int operation_id;
|
|
void (*user_fn)(void *method, void *arg);
|
|
void *user_arg;
|
|
};
|
|
|
|
static void filter_on_operation_id(int id, void *method, void *arg)
|
|
{
|
|
struct filter_data_st *data = arg;
|
|
|
|
if ((id & METHOD_ID_OPERATION_MASK) == data->operation_id)
|
|
data->user_fn(method, data->user_arg);
|
|
}
|
|
|
|
void evp_generic_do_all(OSSL_LIB_CTX *libctx, int operation_id,
|
|
void (*user_fn)(void *method, void *arg),
|
|
void *user_arg,
|
|
void *(*new_method)(int name_id,
|
|
const OSSL_ALGORITHM *algodef,
|
|
OSSL_PROVIDER *prov),
|
|
int (*up_ref_method)(void *),
|
|
void (*free_method)(void *))
|
|
{
|
|
struct evp_method_data_st methdata;
|
|
struct filter_data_st data;
|
|
|
|
methdata.libctx = libctx;
|
|
methdata.tmp_store = NULL;
|
|
(void)inner_evp_generic_fetch(&methdata, NULL, operation_id, 0, NULL, NULL,
|
|
new_method, up_ref_method, free_method);
|
|
|
|
data.operation_id = operation_id;
|
|
data.user_fn = user_fn;
|
|
data.user_arg = user_arg;
|
|
if (methdata.tmp_store != NULL)
|
|
ossl_method_store_do_all(methdata.tmp_store, &filter_on_operation_id,
|
|
&data);
|
|
ossl_method_store_do_all(get_evp_method_store(libctx),
|
|
&filter_on_operation_id, &data);
|
|
dealloc_tmp_evp_method_store(methdata.tmp_store);
|
|
}
|
|
|
|
int evp_is_a(OSSL_PROVIDER *prov, int number,
|
|
const char *legacy_name, const char *name)
|
|
{
|
|
/*
|
|
* For a |prov| that is NULL, the library context will be NULL
|
|
*/
|
|
OSSL_LIB_CTX *libctx = ossl_provider_libctx(prov);
|
|
OSSL_NAMEMAP *namemap = ossl_namemap_stored(libctx);
|
|
|
|
if (prov == NULL)
|
|
number = ossl_namemap_name2num(namemap, legacy_name);
|
|
return ossl_namemap_name2num(namemap, name) == number;
|
|
}
|
|
|
|
int evp_names_do_all(OSSL_PROVIDER *prov, int number,
|
|
void (*fn)(const char *name, void *data),
|
|
void *data)
|
|
{
|
|
OSSL_LIB_CTX *libctx = ossl_provider_libctx(prov);
|
|
OSSL_NAMEMAP *namemap = ossl_namemap_stored(libctx);
|
|
|
|
return ossl_namemap_doall_names(namemap, number, fn, data);
|
|
}
|