Http.h

// This is part of tacppd project (extended tacacs++ daemon)
// (c) Copyright in 2000-2004 by tacppd team and contributors
// see http://tacppd.org for more information
//
// file: Http.h
// description: http support

//  This program is free software; you can redistribute it and/or modify
//  it under the terms of the GNU General Public License as published by
//  the Free Software Foundation; either version 2 of the License, or
//  (at your option) any later version.
//
//  This program is distributed in the hope that it will be useful,
//  but WITHOUT ANY WARRANTY; without even the implied warranty of
//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
//  GNU General Public License for more details.
//
//  You should have received a copy of the GNU General Public License
//  along with this program; if not, write to the Free Software
//  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

// modifications:
//

// all comments which start from /** - this is comments for KDoc
//  for classes
//    @short [short description of the class]
//    @author [class author]
//    @version [class version]
//    @see [references to other classes or methods]
//  for methods
//    @see [references]
//    @return [sentence describing the return value]
//    @exception [list the exeptions that could be thrown]
//    @param [name id] [description]    - can be multiple

#ifndef __HTTP_H__
#define __HTTP_H__

#include "global.h"

namespace tacpp {

// place for http dir
#define HTTP_DIR        "http"
// connect timeout
#define HTTP_TIMEOUT    2
// default filenames
#define INVALID_AUTH_FILE   "/invalid_auth.html"
#define INVALID_FILE        "/invalid_file.html"

// types of users and it's directories
#define HTTP_ADMIN_DIR    1
#define HTTP_USER_DIR     2

// maximum fields in form
#define MAX_FORM_FIELDS   20

class HttpHeaderData {
 public:
  HttpHeaderData();
#define HTTP_METHOD_LEN       20

  char method[HTTP_METHOD_LEN];
#define HTTP_REQUEST_LEN      100

  char request[HTTP_REQUEST_LEN];
#define USER_AGENT_LEN        80

  char User_Agent[USER_AGENT_LEN];
#define HTTP_HOST_LEN         30

  char Host[HTTP_HOST_LEN];
#define ACCEPT_LEN            300

  char Accept[ACCEPT_LEN];
#define ACCEPT_ENC_LEN        10
  char Accept_Encoding[ACCEPT_ENC_LEN];
#define ACCEPT_LAN_LEN        10
  char Accept_Language[ACCEPT_LAN_LEN];
#define ACCEPT_CHR_LEN        20
  char Accept_Charset[ACCEPT_CHR_LEN];
#define VIA_LEN               80
  char Via[VIA_LEN];
#define X_FORW_LEN            30
  char X_Forwarded_For[X_FORW_LEN];
#define CACHE_CONT_LEN        20
  char Cache_Control[CACHE_CONT_LEN];
#define CONNECTION_LEN        30
  char Connection[CONNECTION_LEN];
#define AUTHOR_LEN            30
  char Authorization[AUTHOR_LEN];
#define HTTP_USERNAME_LEN     50
  char username[HTTP_USERNAME_LEN];
#define HTTP_PASSWORD_LEN     50
  char password[HTTP_PASSWORD_LEN];
#define HTTP_DATA_LEN         200

  char data_string[HTTP_DATA_LEN];
  string Cookie;
};

class HttpPacket : public Packet {
 public:
  int fid;
  HttpPacket(int,struct in_addr);
  string hread();
  bool hwrite(string);
};

class HttpHeader : public HttpPacket {
  string http_date();
 public:
  HttpHeader(int fh,struct in_addr addr) : HttpPacket(fh, addr) {}
  HttpHeaderData *get_request();
  void header_html();
  void header_gif();
  void header_jpg();
  void header_auth();
  void header_perl();
  void header_class();
  void header_css();
  void header_js();
  void send_stop();
};

struct formsdata {
  char *varname;
  char *data;
};

class HttpFile : public HttpHeader {
  std::ifstream htmlf;
  bool openfile(char*);
  void readwrite();
  void closefile();
  void send_file_from_file(char*);
  void run_perl_file(char*,HttpHeaderData*);
 public:
  int dir;
  HttpFile(int,struct in_addr);
  void send_file(char*,HttpHeaderData*);
  void send_file_only(char*);
  void send_authen();
  void send_nofile();
};

class HttpServer : public HttpFile {
  char address[30];
 public:
  HttpServer(int,struct in_addr);
  bool authentication(char*,char*,char*,char*);
  void process();
};

};

#endif //__HTTP_H__

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