68 lines
2.4 KiB
C++
68 lines
2.4 KiB
C++
/* Copyright (c) 2016, 2017, Oracle and/or its affiliates. All rights reserved.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; version 2 of the License.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */
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#include "hash_to_buffer_serializer.h"
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namespace keyring
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{
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my_bool Hash_to_buffer_serializer::store_key_in_buffer(const IKey* key,
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Buffer *buffer)
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{
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if (buffer->size < buffer->position + key->get_key_pod_size())
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return TRUE;
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key->store_in_buffer(buffer->data, &(buffer->position));
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return FALSE;
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}
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my_bool Hash_to_buffer_serializer::store_keys_in_buffer(HASH *keys_hash,
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Buffer *buffer)
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{
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for (uint i= 0 ; i < keys_hash->records ; ++i)
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{
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if(store_key_in_buffer(reinterpret_cast<const IKey *>(my_hash_element(keys_hash, i)),
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buffer))
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return TRUE;
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}
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return FALSE;
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}
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ISerialized_object* Hash_to_buffer_serializer::serialize(HASH *keys_hash,
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IKey *key,
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const Key_operation operation)
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{
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size_t memory_needed_for_buffer_after_operation= memory_needed_for_buffer;
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switch(operation)
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{
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case STORE_KEY: memory_needed_for_buffer_after_operation += key->get_key_pod_size();
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break;
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case REMOVE_KEY: memory_needed_for_buffer_after_operation -= key->get_key_pod_size();
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break;
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case NONE:
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case ROTATE:
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break;
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}
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Buffer *buffer= new Buffer(memory_needed_for_buffer_after_operation);
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buffer->set_key_operation(operation);
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if (store_keys_in_buffer(keys_hash, buffer))
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{
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delete buffer;
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return NULL;
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}
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return buffer;
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}
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} //namespace keyring
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