examples/pcap2nbench/smb.cpp

   1 /*\
   2  *  pcap2nbench - Converts libpcap network traces to nbench input
   3  *  Copyright (C) 2004  Jim McDonough <jmcd@us.ibm.com>
   4  *
   5  *  This program is free software; you can redistribute it and/or modify
   6  *  it under the terms of the GNU General Public License as published by
   7  *  the Free Software Foundation; either version 2 of the License, or
   8  *  (at your option) any later version.
   9  *
  10  *  This program is distributed in the hope that it will be useful,
  11  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  *  GNU General Public License for more details.
  14  *
  15  *  You should have received a copy of the GNU General Public License
  16  *  along with this program; if not, write to the Free Software
  17  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  18  *
  19  *  Written by Anthony Liguori <aliguori@us.ibm.com>
  20 \*/
  21
  22 #include <netinet/in.h>
  23
  24 #include "smb.hpp"
  25
  26 smb::smb(const uint8_t *data, size_t length)
  27 {
  28   if (length < 36) {
  29     memset(magic, 0, 4);
  30     return;
  31   }
  32
  33   /* This code assumes Little Endian...  Don't say I didn't warn you */
  34   memcpy(&size, data + 2, 2);
  35   memcpy(magic, data + 4, 4);
  36
  37   command = data[8];
  38
  39   memcpy(&nt_status, data + 9, 4);
  40
  41   flags = data[13];
  42
  43   memcpy(&flags2, data + 14, 2);
  44   memcpy(&pid_hi, data + 16, 2);
  45   memcpy(signature, data + 18, 8);
  46   memcpy(&reserved, data + 26, 2);
  47   memcpy(&tid, data + 28, 2);
  48   memcpy(&pid, data + 30, 2);
  49   memcpy(&uid, data + 32, 2);
  50   memcpy(&mid, data + 34, 2);
  51 }
  52
  53 std::ostream &operator<<(std::ostream &lhs, const smb &rhs)
  54 {
  55   lhs << "Magic: ";
  56   for (int i = 1; i < 4; i++) {
  57     lhs << rhs.magic[i];
  58   }
  59   lhs << std::endl;
  60
  61   lhs << "Command: " << (uint16_t)rhs.command << std::endl
  62       << "NT Status: " << rhs.nt_status << std::endl
  63       << "Flags: " << (uint16_t)rhs.flags << std::endl
  64       << "Flags2: " << rhs.flags2 << std::endl
  65       << "Pid Hi: " << rhs.pid_hi << std::endl
  66       << "Tid: " << rhs.tid << std::endl
  67       << "Pid: " << rhs.pid << std::endl
  68       << "Uid: " << rhs.uid << std::endl
  69       << "Mid: " << rhs.mid << std::endl;
  70
  71   return lhs;
  72 }