mirror of https://github.com/aria2/aria2
77 lines
2.7 KiB
C++
77 lines
2.7 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) 2010 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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#include "BtHandshakeMessageValidator.h"
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#include <cstring>
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#include "BtHandshakeMessage.h"
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#include "util.h"
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#include "DlAbortEx.h"
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#include "fmt.h"
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namespace aria2 {
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BtHandshakeMessageValidator::BtHandshakeMessageValidator
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(const BtHandshakeMessage* message, const unsigned char* infoHash)
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: message_(message)
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{
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memcpy(infoHash_, infoHash, sizeof(infoHash_));
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}
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BtHandshakeMessageValidator::~BtHandshakeMessageValidator() {}
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void BtHandshakeMessageValidator::validate()
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{
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if(message_->getPstrlen() != 19) {
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throw DL_ABORT_EX(fmt("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 DL_ABORT_EX
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(fmt("invalid handshake pstr=%s",
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util::percentEncode
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(message_->getPstr(), 19).c_str()));
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}
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if(memcmp(infoHash_, message_->getInfoHash(), sizeof(infoHash_)) != 0) {
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throw DL_ABORT_EX
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(fmt("invalid handshake info hash: expected:%s, actual:%s",
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util::toHex(infoHash_, sizeof(infoHash_)).c_str(),
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util::toHex(message_->getInfoHash(),
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INFO_HASH_LENGTH).c_str()));
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}
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}
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} // namespace aria2
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