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162 lines
3.6 KiB
C
162 lines
3.6 KiB
C
/**************************************************************************
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* Copyright (C) 2005 by Achal Dhir *
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* achaldhir@gmail.com *
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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 *
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* Free Software Foundation, Inc., *
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* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
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***************************************************************************/
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// TFTPServer.cpp
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#ifdef _MSC_VER
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#define strcasecmp _stricmp
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#define _CRT_SECURE_NO_WARNINGS
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#pragma comment(lib, "ws2_32.lib")
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#pragma comment(lib, "iphlpapi.lib")
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#endif
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//Constants
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#define my_inet_addr inet_addr
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#define MAX_SERVERS 8
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//Structs
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struct home
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{
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char alias[64];
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char target[256];
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};
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struct tftpConnType
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{
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SOCKET sock;
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sockaddr_in addr;
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DWORD server;
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WORD port;
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};
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struct acknowledgement
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{
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WORD opcode;
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WORD block;
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};
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struct message
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{
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WORD opcode;
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char buffer[514];
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};
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struct tftperror
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{
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WORD opcode;
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WORD errorcode;
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char errormessage[512];
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};
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struct packet
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{
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WORD opcode;
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WORD block;
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char buffer;
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};
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struct data12
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{
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DWORD rangeStart;
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DWORD rangeEnd;
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};
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struct request
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{
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timeval tv;
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fd_set readfds;
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time_t expiry;
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SOCKET sock;
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SOCKET knock;
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BYTE sockInd;
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BYTE attempt;
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char path[256];
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FILE *file;
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char *filename;
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char *mode;
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char *alias;
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DWORD tsize;
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DWORD fblock;
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int bytesReady;
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int bytesRecd;
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int bytesRead[2];
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packet* pkt[2];
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sockaddr_in client;
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socklen_t clientsize;
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union
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{
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tftperror serverError;
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message mesout;
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acknowledgement acout;
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};
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union
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{
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tftperror clientError;
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message mesin;
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acknowledgement acin;
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};
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WORD blksize;
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WORD timeout;
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WORD block;
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WORD tblock;
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};
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struct data2
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{
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WSADATA wsaData;
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tftpConnType tftpConn[MAX_SERVERS];
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DWORD servers[MAX_SERVERS];
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WORD ports[MAX_SERVERS];
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home homes[8];
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FILE *logfile;
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data12 hostRanges[32];
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char fileRead;
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char fileWrite;
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char fileOverwrite;
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int minport;
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int maxport;
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SOCKET maxFD;
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BYTE logLevel;
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};
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struct data15
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{
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union
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{
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//DWORD ip;
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unsigned ip:32;
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BYTE octate[4];
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};
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};
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//Functions
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void runProg();
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void processRequest(LPVOID lpParam);
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char* myGetToken(char*, BYTE);
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void init();
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bool cleanReq(request*);
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bool getSection(const char*, char*, BYTE, char*);
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bool isIP(char*s);
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char* myLower(char*);
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char* myUpper(char*);
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char* IP2String(char*, DWORD);
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void printWindowsError();
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void logMess(request*, BYTE);
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void logMess(char*, BYTE);
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