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padlock: Use plugin features to properly register algorithms

This commit is contained in:
Tobias Brunner 2013-06-07 19:23:11 +02:00
parent 7756c0383e
commit 25da1943b3
1 changed files with 43 additions and 39 deletions
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82
src/libstrongswan/plugins/padlock/padlock_plugin.c
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@ -1,4 +1,5 @@
/*
* Copyright (C) 2013 Tobias Brunner
* Copyright (C) 2008 Martin Willi
* Hochschule fuer Technik Rapperswil
*
@ -21,6 +22,7 @@
#include <stdio.h>
#include <library.h>
#include <plugins/plugin_feature.h>
#include <utils/debug.h>
typedef struct private_padlock_plugin_t private_padlock_plugin_t;
@ -107,28 +109,49 @@ METHOD(plugin_t, get_name, char*,
return "padlock";
}
METHOD(plugin_t, get_features, int,
private_padlock_plugin_t *this, plugin_feature_t *features[])
{
static plugin_feature_t f_rng[] = {
PLUGIN_REGISTER(RNG, padlock_rng_create),
PLUGIN_PROVIDE(RNG, RNG_WEAK),
PLUGIN_PROVIDE(RNG, RNG_STRONG),
PLUGIN_PROVIDE(RNG, RNG_TRUE),
};
static plugin_feature_t f_aes[] = {
PLUGIN_REGISTER(CRYPTER, padlock_aes_crypter_create),
PLUGIN_PROVIDE(CRYPTER, ENCR_AES_CBC, 16),
};
static plugin_feature_t f_sha1[] = {
PLUGIN_REGISTER(HASHER, padlock_sha1_hasher_create),
PLUGIN_PROVIDE(HASHER, HASH_SHA1),
};
static plugin_feature_t f[countof(f_rng) + countof(f_aes) +
countof(f_sha1)] = {};
static int count = 0;
if (!count)
{ /* initialize only once */
if (this->features & PADLOCK_RNG_ENABLED)
{
plugin_features_add(f, f_rng, countof(f_rng), &count);
}
if (this->features & PADLOCK_ACE2_ENABLED)
{
plugin_features_add(f, f_aes, countof(f_aes), &count);
}
if (this->features & PADLOCK_PHE_ENABLED)
{
plugin_features_add(f, f_sha1, countof(f_sha1), &count);
}
}
*features = f;
return count;
}
METHOD(plugin_t, destroy, void,
private_padlock_plugin_t *this)
{
if (this->features & PADLOCK_RNG_ENABLED)
{
lib->crypto->remove_rng(lib->crypto,
(rng_constructor_t)padlock_rng_create);
lib->crypto->remove_rng(lib->crypto,
(rng_constructor_t)padlock_rng_create);
lib->crypto->remove_rng(lib->crypto,
(rng_constructor_t)padlock_rng_create);
}
if (this->features & PADLOCK_ACE2_ENABLED)
{
lib->crypto->remove_crypter(lib->crypto,
(crypter_constructor_t)padlock_aes_crypter_create);
}
if (this->features & PADLOCK_PHE_ENABLED)
{
lib->crypto->remove_hasher(lib->crypto,
(hasher_constructor_t)padlock_sha1_hasher_create);
}
free(this);
}
@ -143,7 +166,7 @@ plugin_t *padlock_plugin_create()
.public = {
.plugin = {
.get_name = _get_name,
.reload = (void*)return_false,
.get_features = _get_features,
.destroy = _destroy,
},
},
@ -167,24 +190,5 @@ plugin_t *padlock_plugin_create()
this->features & PADLOCK_PHE_ENABLED ? " PHE" : "",
this->features & PADLOCK_PMM_ENABLED ? " PMM" : "");
if (this->features & PADLOCK_RNG_ENABLED)
{
lib->crypto->add_rng(lib->crypto, RNG_TRUE, get_name(this),
(rng_constructor_t)padlock_rng_create);
lib->crypto->add_rng(lib->crypto, RNG_STRONG, get_name(this),
(rng_constructor_t)padlock_rng_create);
lib->crypto->add_rng(lib->crypto, RNG_WEAK, get_name(this),
(rng_constructor_t)padlock_rng_create);
}
if (this->features & PADLOCK_ACE2_ENABLED)
{
lib->crypto->add_crypter(lib->crypto, ENCR_AES_CBC, get_name(this),
(crypter_constructor_t)padlock_aes_crypter_create);
}
if (this->features & PADLOCK_PHE_ENABLED)
{
lib->crypto->add_hasher(lib->crypto, HASH_SHA1, get_name(this),
(hasher_constructor_t)padlock_sha1_hasher_create);
}
return &this->public.plugin;
}