diff options
Diffstat (limited to 'src/libstrongswan/crypto/crypto_factory.c')
| -rw-r--r-- | src/libstrongswan/crypto/crypto_factory.c | 209 |
1 files changed, 136 insertions, 73 deletions
diff --git a/src/libstrongswan/crypto/crypto_factory.c b/src/libstrongswan/crypto/crypto_factory.c index 3414a21bd..42d795d0a 100644 --- a/src/libstrongswan/crypto/crypto_factory.c +++ b/src/libstrongswan/crypto/crypto_factory.c @@ -819,43 +819,57 @@ static bool entry_match(entry_t *a, entry_t *b) return a->algo == b->algo; } -/** - * check for uniqueness of an entry - */ -static bool unique_check(linked_list_t *list, entry_t **in, entry_t **out) +CALLBACK(unique_check, bool, + linked_list_t *list, enumerator_t *orig, va_list args) { - if (list->find_first(list, (void*)entry_match, NULL, *in) == SUCCESS) + entry_t *entry, **out; + + VA_ARGS_VGET(args, out); + + while (orig->enumerate(orig, &entry)) { - return FALSE; + if (list->find_first(list, (void*)entry_match, NULL, entry) == SUCCESS) + { + continue; + } + *out = entry; + list->insert_last(list, entry); + return TRUE; } - *out = *in; - list->insert_last(list, *in); - return TRUE; + return FALSE; } /** * create an enumerator over entry->algo in list with locking and unique check */ static enumerator_t *create_enumerator(private_crypto_factory_t *this, - linked_list_t *list, void *filter) + linked_list_t *list, + bool (*filter)(void*,enumerator_t*,va_list)) { this->lock->read_lock(this->lock); return enumerator_create_filter( enumerator_create_filter( - list->create_enumerator(list), (void*)unique_check, + list->create_enumerator(list), unique_check, linked_list_create(), (void*)list->destroy), filter, this->lock, (void*)this->lock->unlock); } -/** - * Filter function to enumerate algorithm, not entry - */ -static bool crypter_filter(void *n, entry_t **entry, encryption_algorithm_t *algo, - void *i2, const char **plugin_name) +CALLBACK(crypter_filter, bool, + void *n, enumerator_t *orig, va_list args) { - *algo = (*entry)->algo; - *plugin_name = (*entry)->plugin_name; - return TRUE; + entry_t *entry; + encryption_algorithm_t *algo; + const char **plugin_name; + + VA_ARGS_VGET(args, algo, plugin_name); + + if (orig->enumerate(orig, &entry)) + { + *algo = entry->algo; + *plugin_name = entry->plugin_name; + return TRUE; + } + return FALSE; } METHOD(crypto_factory_t, create_crypter_enumerator, enumerator_t*, @@ -870,15 +884,22 @@ METHOD(crypto_factory_t, create_aead_enumerator, enumerator_t*, return create_enumerator(this, this->aeads, crypter_filter); } -/** - * Filter function to enumerate algorithm, not entry - */ -static bool signer_filter(void *n, entry_t **entry, integrity_algorithm_t *algo, - void *i2, const char **plugin_name) +CALLBACK(signer_filter, bool, + void *n, enumerator_t *orig, va_list args) { - *algo = (*entry)->algo; - *plugin_name = (*entry)->plugin_name; - return TRUE; + entry_t *entry; + integrity_algorithm_t *algo; + const char **plugin_name; + + VA_ARGS_VGET(args, algo, plugin_name); + + if (orig->enumerate(orig, &entry)) + { + *algo = entry->algo; + *plugin_name = entry->plugin_name; + return TRUE; + } + return FALSE; } METHOD(crypto_factory_t, create_signer_enumerator, enumerator_t*, @@ -887,15 +908,22 @@ METHOD(crypto_factory_t, create_signer_enumerator, enumerator_t*, return create_enumerator(this, this->signers, signer_filter); } -/** - * Filter function to enumerate algorithm, not entry - */ -static bool hasher_filter(void *n, entry_t **entry, hash_algorithm_t *algo, - void *i2, const char **plugin_name) +CALLBACK(hasher_filter, bool, + void *n, enumerator_t *orig, va_list args) { - *algo = (*entry)->algo; - *plugin_name = (*entry)->plugin_name; - return TRUE; + entry_t *entry; + hash_algorithm_t *algo; + const char **plugin_name; + + VA_ARGS_VGET(args, algo, plugin_name); + + if (orig->enumerate(orig, &entry)) + { + *algo = entry->algo; + *plugin_name = entry->plugin_name; + return TRUE; + } + return FALSE; } METHOD(crypto_factory_t, create_hasher_enumerator, enumerator_t*, @@ -904,15 +932,22 @@ METHOD(crypto_factory_t, create_hasher_enumerator, enumerator_t*, return create_enumerator(this, this->hashers, hasher_filter); } -/** - * Filter function to enumerate algorithm, not entry - */ -static bool prf_filter(void *n, entry_t **entry, pseudo_random_function_t *algo, - void *i2, const char **plugin_name) +CALLBACK(prf_filter, bool, + void *n, enumerator_t *orig, va_list args) { - *algo = (*entry)->algo; - *plugin_name = (*entry)->plugin_name; - return TRUE; + entry_t *entry; + pseudo_random_function_t *algo; + const char **plugin_name; + + VA_ARGS_VGET(args, algo, plugin_name); + + if (orig->enumerate(orig, &entry)) + { + *algo = entry->algo; + *plugin_name = entry->plugin_name; + return TRUE; + } + return FALSE; } METHOD(crypto_factory_t, create_prf_enumerator, enumerator_t*, @@ -921,15 +956,22 @@ METHOD(crypto_factory_t, create_prf_enumerator, enumerator_t*, return create_enumerator(this, this->prfs, prf_filter); } -/** - * Filter function to enumerate algorithm, not entry - */ -static bool xof_filter(void *n, entry_t **entry, ext_out_function_t *algo, - void *i2, const char **plugin_name) +CALLBACK(xof_filter, bool, + void *n, enumerator_t *orig, va_list args) { - *algo = (*entry)->algo; - *plugin_name = (*entry)->plugin_name; - return TRUE; + entry_t *entry; + ext_out_function_t *algo; + const char **plugin_name; + + VA_ARGS_VGET(args, algo, plugin_name); + + if (orig->enumerate(orig, &entry)) + { + *algo = entry->algo; + *plugin_name = entry->plugin_name; + return TRUE; + } + return FALSE; } METHOD(crypto_factory_t, create_xof_enumerator, enumerator_t*, @@ -938,15 +980,22 @@ METHOD(crypto_factory_t, create_xof_enumerator, enumerator_t*, return create_enumerator(this, this->xofs, xof_filter); } -/** - * Filter function to enumerate group, not entry - */ -static bool dh_filter(void *n, entry_t **entry, diffie_hellman_group_t *group, - void *i2, const char **plugin_name) +CALLBACK(dh_filter, bool, + void *n, enumerator_t *orig, va_list args) { - *group = (*entry)->algo; - *plugin_name = (*entry)->plugin_name; - return TRUE; + entry_t *entry; + diffie_hellman_group_t *algo; + const char **plugin_name; + + VA_ARGS_VGET(args, algo, plugin_name); + + if (orig->enumerate(orig, &entry)) + { + *algo = entry->algo; + *plugin_name = entry->plugin_name; + return TRUE; + } + return FALSE; } METHOD(crypto_factory_t, create_dh_enumerator, enumerator_t*, @@ -955,15 +1004,22 @@ METHOD(crypto_factory_t, create_dh_enumerator, enumerator_t*, return create_enumerator(this, this->dhs, dh_filter); } -/** - * Filter function to enumerate strength, not entry - */ -static bool rng_filter(void *n, entry_t **entry, rng_quality_t *quality, - void *i2, const char **plugin_name) +CALLBACK(rng_filter, bool, + void *n, enumerator_t *orig, va_list args) { - *quality = (*entry)->algo; - *plugin_name = (*entry)->plugin_name; - return TRUE; + entry_t *entry; + rng_quality_t *algo; + const char **plugin_name; + + VA_ARGS_VGET(args, algo, plugin_name); + + if (orig->enumerate(orig, &entry)) + { + *algo = entry->algo; + *plugin_name = entry->plugin_name; + return TRUE; + } + return FALSE; } METHOD(crypto_factory_t, create_rng_enumerator, enumerator_t*, @@ -972,13 +1028,20 @@ METHOD(crypto_factory_t, create_rng_enumerator, enumerator_t*, return create_enumerator(this, this->rngs, rng_filter); } -/** - * Filter function to enumerate plugin name, not entry - */ -static bool nonce_gen_filter(void *n, entry_t **entry, const char **plugin_name) +CALLBACK(nonce_gen_filter, bool, + void *n, enumerator_t *orig, va_list args) { - *plugin_name = (*entry)->plugin_name; - return TRUE; + entry_t *entry; + const char **plugin_name; + + VA_ARGS_VGET(args, plugin_name); + + if (orig->enumerate(orig, &entry)) + { + *plugin_name = entry->plugin_name; + return TRUE; + } + return FALSE; } METHOD(crypto_factory_t, create_nonce_gen_enumerator, enumerator_t*, |