1 //-------------------------------------------------------------------------- 2 // Copyright (C) 2015-2021 Cisco and/or its affiliates. All rights reserved. 3 // 4 // This program is free software; you can redistribute it and/or modify it 5 // under the terms of the GNU General Public License Version 2 as published 6 // by the Free Software Foundation. You may not use, modify or distribute 7 // this program under any other version of the GNU General Public License. 8 // 9 // This program is distributed in the hope that it will be useful, but 10 // WITHOUT ANY WARRANTY; without even the implied warranty of 11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 12 // General Public License for more details. 13 // 14 // You should have received a copy of the GNU General Public License along 15 // with this program; if not, write to the Free Software Foundation, Inc., 16 // 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. 17 //-------------------------------------------------------------------------- 18 // file_session.h author Russ Combs <rucombs@cisco.com> 19 20 #ifndef FILE_SESSION_H 21 #define FILE_SESSION_H 22 23 #include "flow/session.h" 24 25 class FileSession : public Session 26 { 27 public: 28 FileSession(snort::Flow*); 29 ~FileSession() override; 30 31 bool setup(snort::Packet*) override; 32 void clear() override; 33 int process(snort::Packet*) override; 34 is_sequenced(uint8_t)35 bool is_sequenced(uint8_t /*dir*/) override 36 { return true; } 37 are_packets_missing(uint8_t)38 bool are_packets_missing(uint8_t /*dir*/) override 39 { return false; } 40 missing_in_reassembled(uint8_t)41 uint8_t missing_in_reassembled(uint8_t /*dir*/) override 42 { return SSN_MISSING_NONE; } 43 44 private: 45 void start(snort::Packet*, snort::Flow*); 46 void update(snort::Packet*, snort::Flow*); 47 void end(snort::Packet*, snort::Flow*); 48 }; 49 50 #endif 51 52