mirror of https://github.com/aria2/aria2
76 lines
2.8 KiB
C++
76 lines
2.8 KiB
C++
/* <!-- copyright */
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/*
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* aria2 - The high speed download utility
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*
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* Copyright (C) 2006 Tatsuhiro Tsujikawa
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*
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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; either version 2 of the License, or
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* (at your option) any later version.
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*
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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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*
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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 Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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* In addition, as a special exception, the copyright holders give
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* permission to link the code of portions of this program with the
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* OpenSSL library under certain conditions as described in each
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* individual source file, and distribute linked combinations
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* including the two.
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* You must obey the GNU General Public License in all respects
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* for all of the code used other than OpenSSL. If you modify
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* file(s) with this exception, you may extend this exception to your
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* version of the file(s), but you are not obligated to do so. If you
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* do not wish to do so, delete this exception statement from your
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* version. If you delete this exception statement from all source
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* files in the program, then also delete it here.
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*/
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/* copyright --> */
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#ifndef _D_BT_HANDSHAKE_MESSAGE_VALIDATOR_H_
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#define _D_BT_HANDSHAKE_MESSAGE_VALIDATOR_H_
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#include "BtMessageValidator.h"
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#include "BtHandshakeMessage.h"
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#include "Util.h"
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class BtHandshakeMessageValidator : public BtMessageValidator {
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private:
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const BtHandshakeMessage* message;
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unsigned char infoHash[20];
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public:
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BtHandshakeMessageValidator(const BtHandshakeMessage* message,
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const unsigned char* infoHash):
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message(message)
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{
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memcpy(this->infoHash, infoHash, sizeof(this->infoHash));
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}
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virtual bool validate(Errors& error) {
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// TODO
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if(message->getPstrlen() != 19) {
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throw new DlAbortEx("invalid handshake pstrlen=%u",
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message->getPstrlen());
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}
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if(memcmp(BtHandshakeMessage::BT_PSTR, message->getPstr(), 19) != 0) {
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throw new DlAbortEx("invalid handshake pstr=%s",
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Util::urlencode(message->getPstr(), 19).c_str());
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}
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if(memcmp(infoHash, message->getInfoHash(), 20) != 0) {
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throw new DlAbortEx("invalid handshake info hash: expected:%s, actual:%s",
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Util::toHex(infoHash, 20).c_str(),
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Util::toHex(message->getInfoHash(), 20).c_str());
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}
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return true;
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}
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};
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typedef SharedHandle<BtHandshakeMessageValidator> BtHandshakeMessageValidatorHandle;
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#endif // _D_BT_HANDSHAKE_MESSAGE_VALIDATOR_H_
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