* Purple is the legal property of its developers, whose names are too numerous * to list here. Please refer to the COPYRIGHT file distributed with this * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111-1301 USA /****************************************************************************** *****************************************************************************/ purple_cipher_get_type(void) { static const GTypeInfo info = { sizeof(PurpleCipherClass), type = g_type_register_static(G_TYPE_OBJECT, &info, G_TYPE_FLAG_ABSTRACT); purple_cipher_get_name(PurpleCipher *cipher) PurpleCipherClass *klass; if (!PURPLE_IS_CIPHER(cipher)) return "(error: not a cipher)"; klass = PURPLE_CIPHER_GET_CLASS(cipher); return "(error: unknown cipher class)"; name = g_type_name(G_TYPE_FROM_CLASS(klass)); return "(error: unknown cipher name)"; purple_hash_get_name(PurpleHash *hash) if (!PURPLE_IS_HASH(hash)) return "(error: not a hash)"; klass = PURPLE_HASH_GET_CLASS(hash); return "(error: unknown hash class)"; name = g_type_name(G_TYPE_FROM_CLASS(klass)); return "(error: unknown hash name)"; purple_cipher_reset(PurpleCipher *cipher) { PurpleCipherClass *klass = NULL; g_return_if_fail(PURPLE_IS_CIPHER(cipher)); klass = PURPLE_CIPHER_GET_CLASS(cipher); if (klass && klass->reset) purple_debug_warning("cipher", "the %s cipher does not " "implement the reset method", purple_cipher_get_name(cipher)); purple_cipher_reset_state(PurpleCipher *cipher) { PurpleCipherClass *klass = NULL; g_return_if_fail(PURPLE_IS_CIPHER(cipher)); klass = PURPLE_CIPHER_GET_CLASS(cipher); if (klass && klass->reset_state) klass->reset_state(cipher); purple_debug_warning("cipher", "the %s cipher does not " "implement the reset_state method", purple_cipher_get_name(cipher)); purple_cipher_set_iv(PurpleCipher *cipher, guchar *iv, size_t len) PurpleCipherClass *klass = NULL; g_return_if_fail(PURPLE_IS_CIPHER(cipher)); klass = PURPLE_CIPHER_GET_CLASS(cipher); if (klass && klass->set_iv) klass->set_iv(cipher, iv, len); purple_debug_warning("cipher", "the %s cipher does not " "implement the set_iv method", purple_cipher_get_name(cipher)); purple_cipher_append(PurpleCipher *cipher, const guchar *data, PurpleCipherClass *klass = NULL; g_return_if_fail(PURPLE_IS_CIPHER(cipher)); klass = PURPLE_CIPHER_GET_CLASS(cipher); if (klass && klass->append) klass->append(cipher, data, len); purple_debug_warning("cipher", "the %s cipher does not " "implement the append method", purple_cipher_get_name(cipher)); purple_cipher_digest(PurpleCipher *cipher, guchar digest[], size_t len) PurpleCipherClass *klass = NULL; g_return_val_if_fail(PURPLE_IS_CIPHER(cipher), FALSE); klass = PURPLE_CIPHER_GET_CLASS(cipher); if (klass && klass->digest) return klass->digest(cipher, digest, len); purple_debug_warning("cipher", "the %s cipher does not " "implement the digest method", purple_cipher_get_name(cipher)); purple_cipher_digest_to_str(PurpleCipher *cipher, gchar digest_s[], size_t len) /* 8k is a bit excessive, will tweak later. */ guchar digest[BUF_LEN * 4]; g_return_val_if_fail(PURPLE_IS_CIPHER(cipher), FALSE); g_return_val_if_fail(digest_s, FALSE); digest_size = purple_cipher_get_digest_size(cipher); g_return_val_if_fail(digest_size <= BUF_LEN * 4, FALSE); if(!purple_cipher_digest(cipher, digest, sizeof(digest))) /* Every digest byte occupies 2 chars + the NUL at the end. */ g_return_val_if_fail(digest_size * 2 + 1 <= len, FALSE); for(n = 0; n < digest_size; n++) sprintf(digest_s + (n * 2), "%02x", digest[n]); purple_cipher_get_digest_size(PurpleCipher *cipher) PurpleCipherClass *klass = NULL; g_return_val_if_fail(PURPLE_IS_CIPHER(cipher), FALSE); klass = PURPLE_CIPHER_GET_CLASS(cipher); if (klass && klass->get_digest_size) return klass->get_digest_size(cipher); purple_debug_warning("cipher", "the %s cipher does not " "implement the get_digest_size method", purple_cipher_get_name(cipher)); purple_cipher_encrypt(PurpleCipher *cipher, const guchar input[], size_t in_len, guchar output[], size_t out_size) PurpleCipherClass *klass = NULL; g_return_val_if_fail(PURPLE_IS_CIPHER(cipher), -1); g_return_val_if_fail(input != NULL, -1); g_return_val_if_fail(output != NULL, -1); g_return_val_if_fail(out_size >= in_len, -1); klass = PURPLE_CIPHER_GET_CLASS(cipher); if (klass && klass->encrypt) return klass->encrypt(cipher, input, in_len, output, out_size); purple_debug_warning("cipher", "the %s cipher does not " "implement the encrypt method", purple_cipher_get_name(cipher)); purple_cipher_decrypt(PurpleCipher *cipher, const guchar input[], size_t in_len, guchar output[], size_t out_size) PurpleCipherClass *klass = NULL; g_return_val_if_fail(PURPLE_IS_CIPHER(cipher), -1); g_return_val_if_fail(input != NULL, -1); g_return_val_if_fail(output != NULL, -1); klass = PURPLE_CIPHER_GET_CLASS(cipher); if (klass && klass->decrypt) return klass->decrypt(cipher, input, in_len, output, out_size); purple_debug_warning("cipher", "the %s cipher does not " "implement the decrypt method", purple_cipher_get_name(cipher)); purple_cipher_set_salt(PurpleCipher *cipher, const guchar *salt, size_t len) { PurpleCipherClass *klass = NULL; g_return_if_fail(PURPLE_IS_CIPHER(cipher)); klass = PURPLE_CIPHER_GET_CLASS(cipher); if (klass && klass->set_salt) klass->set_salt(cipher, salt, len); purple_debug_warning("cipher", "the %s cipher does not " "implement the set_salt method", purple_cipher_get_name(cipher)); purple_cipher_set_key(PurpleCipher *cipher, const guchar *key, size_t len) { PurpleCipherClass *klass = NULL; g_return_if_fail(PURPLE_IS_CIPHER(cipher)); klass = PURPLE_CIPHER_GET_CLASS(cipher); if (klass && klass->set_key) klass->set_key(cipher, key, len); purple_debug_warning("cipher", "the %s cipher does not " "implement the set_key method", purple_cipher_get_name(cipher)); purple_cipher_get_key_size(PurpleCipher *cipher) { PurpleCipherClass *klass = NULL; g_return_val_if_fail(PURPLE_IS_CIPHER(cipher), -1); klass = PURPLE_CIPHER_GET_CLASS(cipher); if (klass && klass->get_key_size) return klass->get_key_size(cipher); purple_debug_warning("cipher", "the %s cipher does not " "implement the get_key_size method", purple_cipher_get_name(cipher)); purple_cipher_set_batch_mode(PurpleCipher *cipher, PurpleCipherBatchMode mode) PurpleCipherClass *klass = NULL; g_return_if_fail(PURPLE_IS_CIPHER(cipher)); klass = PURPLE_CIPHER_GET_CLASS(cipher); if (klass && klass->set_batch_mode) klass->set_batch_mode(cipher, mode); purple_debug_warning("cipher", "the %s cipher does not " "implement the set_batch_mode method", purple_cipher_get_name(cipher)); purple_cipher_get_batch_mode(PurpleCipher *cipher) PurpleCipherClass *klass = NULL; g_return_val_if_fail(PURPLE_IS_CIPHER(cipher), -1); klass = PURPLE_CIPHER_GET_CLASS(cipher); if (klass && klass->get_batch_mode) return klass->get_batch_mode(cipher); purple_debug_warning("cipher", "the %s cipher does not " "implement the get_batch_mode method", purple_cipher_get_name(cipher)); purple_cipher_get_block_size(PurpleCipher *cipher) PurpleCipherClass *klass = NULL; g_return_val_if_fail(PURPLE_IS_CIPHER(cipher), -1); klass = PURPLE_CIPHER_GET_CLASS(cipher); if (klass && klass->get_block_size) return klass->get_block_size(cipher); purple_debug_warning("cipher", "the %s cipher does not " "implement the get_block_size method", purple_cipher_get_name(cipher)); /****************************************************************************** *****************************************************************************/ purple_hash_get_type(void) { static const GTypeInfo info = { type = g_type_register_static(G_TYPE_OBJECT, &info, G_TYPE_FLAG_ABSTRACT); purple_hash_reset(PurpleHash *hash) { PurpleHashClass *klass = NULL; g_return_if_fail(PURPLE_IS_HASH(hash)); klass = PURPLE_HASH_GET_CLASS(hash); if (klass && klass->reset) purple_debug_warning("hash", "the %s hash does not implement " "the reset method", purple_hash_get_name(hash)); purple_hash_reset_state(PurpleHash *hash) { PurpleHashClass *klass = NULL; g_return_if_fail(PURPLE_IS_HASH(hash)); klass = PURPLE_HASH_GET_CLASS(hash); if (klass && klass->reset_state) klass->reset_state(hash); purple_debug_warning("hash", "the %s hash does not implement " "the reset_state method", purple_hash_get_name(hash)); purple_hash_append(PurpleHash *hash, const guchar *data, PurpleHashClass *klass = NULL; g_return_if_fail(PURPLE_IS_HASH(hash)); klass = PURPLE_HASH_GET_CLASS(hash); if (klass && klass->append) klass->append(hash, data, len); purple_debug_warning("hash", "the %s hash does not implement " "the append method", purple_hash_get_name(hash)); purple_hash_digest(PurpleHash *hash, guchar digest[], size_t len) PurpleHashClass *klass = NULL; g_return_val_if_fail(PURPLE_IS_HASH(hash), FALSE); klass = PURPLE_HASH_GET_CLASS(hash); if (klass && klass->digest) return klass->digest(hash, digest, len); purple_debug_warning("hash", "the %s hash does not implement " "the digest method", purple_hash_get_name(hash)); purple_hash_digest_to_str(PurpleHash *hash, gchar digest_s[], size_t len) /* 8k is a bit excessive, will tweak later. */ guchar digest[BUF_LEN * 4]; g_return_val_if_fail(PURPLE_IS_HASH(hash), FALSE); g_return_val_if_fail(digest_s, FALSE); digest_size = purple_hash_get_digest_size(hash); g_return_val_if_fail(digest_size <= BUF_LEN * 4, FALSE); if(!purple_hash_digest(hash, digest, sizeof(digest))) /* Every digest byte occupies 2 chars + the NUL at the end. */ g_return_val_if_fail(digest_size * 2 + 1 <= len, FALSE); for(n = 0; n < digest_size; n++) sprintf(digest_s + (n * 2), "%02x", digest[n]); purple_hash_get_digest_size(PurpleHash *hash) PurpleHashClass *klass = NULL; g_return_val_if_fail(PURPLE_IS_HASH(hash), FALSE); klass = PURPLE_HASH_GET_CLASS(hash); if (klass && klass->get_digest_size) return klass->get_digest_size(hash); purple_debug_warning("hash", "the %s hash does not implement " "the get_digest_size method", purple_hash_get_name(hash)); purple_hash_get_block_size(PurpleHash *hash) PurpleHashClass *klass = NULL; g_return_val_if_fail(PURPLE_IS_HASH(hash), -1); klass = PURPLE_HASH_GET_CLASS(hash); if (klass && klass->get_block_size) return klass->get_block_size(hash); purple_debug_warning("hash", "the %s hash does not implement " "the get_block_size method", purple_hash_get_name(hash));