diff options
Diffstat (limited to 'src/libstrongswan/crypto')
| -rw-r--r-- | src/libstrongswan/crypto/crypto_factory.c | 228 | ||||
| -rw-r--r-- | src/libstrongswan/crypto/hashers/hash_algorithm_set.c | 17 |
2 files changed, 162 insertions, 83 deletions
diff --git a/src/libstrongswan/crypto/crypto_factory.c b/src/libstrongswan/crypto/crypto_factory.c index bab59a06f..096bcbc9c 100644 --- a/src/libstrongswan/crypto/crypto_factory.c +++ b/src/libstrongswan/crypto/crypto_factory.c @@ -811,51 +811,66 @@ METHOD(crypto_factory_t, remove_dh, void, this->lock->unlock(this->lock); } -/** - * match algorithms of an entry? - */ -static bool entry_match(entry_t *a, entry_t *b) +CALLBACK(entry_match, bool, + entry_t *a, va_list args) { + entry_t *b; + + VA_ARGS_VGET(args, 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, entry_match, NULL, entry)) + { + 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 +885,22 @@ 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 +909,22 @@ 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 +933,22 @@ 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 +957,22 @@ 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 +981,22 @@ 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 +1005,22 @@ 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 +1029,20 @@ 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*, @@ -1026,9 +1090,14 @@ typedef struct { } verify_enumerator_t; METHOD(enumerator_t, verify_enumerate, bool, - verify_enumerator_t *this, u_int *alg, const char **plugin, bool *valid) + verify_enumerator_t *this, va_list args) { + const char **plugin; entry_t *entry; + u_int *alg; + bool *valid; + + VA_ARGS_VGET(args, alg, plugin, valid); if (!this->inner->enumerate(this->inner, &entry)) { @@ -1123,7 +1192,8 @@ METHOD(crypto_factory_t, create_verify_enumerator, enumerator_t*, } INIT(enumerator, .public = { - .enumerate = (void*)_verify_enumerate, + .enumerate = enumerator_enumerate_default, + .venumerate = _verify_enumerate, .destroy = _verify_destroy, }, .inner = inner, diff --git a/src/libstrongswan/crypto/hashers/hash_algorithm_set.c b/src/libstrongswan/crypto/hashers/hash_algorithm_set.c index 93b67cb13..4087fe1d9 100644 --- a/src/libstrongswan/crypto/hashers/hash_algorithm_set.c +++ b/src/libstrongswan/crypto/hashers/hash_algorithm_set.c @@ -71,17 +71,26 @@ METHOD(hash_algorithm_set_t, count, int, return array_count(this->algorithms); } -static bool hash_filter(void *data, void **in, hash_algorithm_t *out) +CALLBACK(hash_filter, bool, + void *data, enumerator_t *orig, va_list args) { - *out = **(hash_algorithm_t**)in; - return TRUE; + hash_algorithm_t *algo, *out; + + VA_ARGS_VGET(args, out); + + if (orig->enumerate(orig, &algo)) + { + *out = *algo; + return TRUE; + } + return FALSE; } METHOD(hash_algorithm_set_t, create_enumerator, enumerator_t*, private_hash_algorithm_set_t *this) { return enumerator_create_filter(array_create_enumerator(this->algorithms), - (void*)hash_filter, NULL, NULL); + hash_filter, NULL, NULL); } METHOD(hash_algorithm_set_t, destroy, void, |