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/*
* $Id: ftp-client.h,v 1.6.2.1 2003/05/07 11:12:03 mt Exp $
*
* Header for the FTP Proxy client handling
*
* Author(s): Jens-Gero Boehm <jens-gero.boehm@suse.de>
* Pieter Hollants <pieter.hollants@suse.de>
* Marius Tomaschewski <mt@suse.de>
* Volker Wiegand <volker.wiegand@suse.de>
*
* This file is part of the SuSE Proxy Suite
* See also http://proxy-suite.suse.de/
*
* 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.
*
* A history log can be found at the end of this file.
*/
#if !defined(_FTP_CLIENT_H_)
#define _FTP_CLIENT_H_
#include "com-socket.h" /* Make sure we know PEER_LEN */
/* ------------------------------------------------------------ */
/*
** Define the necessary Telnet support
*/
#if !defined(DM)
# define DM 242 /* Data Mark */
#endif
#if !defined(IP)
# define IP 244 /* Interrupt Process */
#endif
#if !defined(WILL)
# define WILL 251 /* I will perform option */
#endif
#if !defined(WONT)
# define WONT 252 /* I won't perform option */
#endif
#if !defined(DO)
# define DO 253 /* Please do perform option */
#endif
#if !defined(DONT)
# define DONT 254 /* Please don't perform option */
#endif
#if !defined(IAC)
# define IAC 255 /* Interpret as Command */
#endif
/* ------------------------------------------------------------ */
#if !defined(IPPORT_FTP)
# define IPPORT_FTP 21 /* Usually "well known" */
#endif
#define MOD_RESET 0 /* Reset mode to Active FTP */
#define MOD_ACT_FTP 1 /* Active FTP mode */
#define MOD_PAS_FTP 2 /* Passive FTP mode */
#define MOD_CLI_FTP 3 /* Same FTP mode as client */
#define EXP_IDLE 0 /* Idle: expect nothing */
#define EXP_CONN 1 /* Connect: expect 220 or 421 */
#define EXP_USER 2 /* USER: expect 230, 331 or 5xx */
#define EXP_ABOR 3 /* ABOR: expect 226 *and* 230 */
#define EXP_PASV 4 /* PASV: expect 227 */
#define EXP_PORT 5 /* PORT: expect 200 */
#define EXP_XFER 6 /* Transfer: expect 226 */
#define EXP_PTHR 7 /* Pass-Through: just relay */
#define UAUTH_NONE 0 /* No user auth used */
#define UAUTH_FTP 1 /* Auth with ftp user + pass */
#define UAUTH_MAU 2 /* Magic auth mode auth%user */
#define UAUTH_MUA 3 /* Magic auth mode user%auth */
typedef struct {
HLS *cli_ctrl; /* Control path to the client */
HLS *cli_data; /* Data path to the client */
HLS *srv_ctrl; /* Control path to the server */
HLS *srv_data; /* Data path to the server */
char *username; /* Client's ftp-username */
char *userpass; /* Client's ftp-password */
char *userauth; /* Client's user auth name */
int auth_mode; /* Client auth mode flag */
char *magic_auth; /* Magic-Auth mode string */
u_int32_t magic_addr; /* The "real" destination ... */
u_int16_t magic_port; /* ... and corresponding port */
int cli_mode; /* Transfer mode to client */
u_int32_t cli_addr; /* Address from client PORT */
u_int16_t cli_port; /* TCP port from client PORT */
u_int16_t act_lrng; /* Lower port range (active) */
u_int16_t act_urng; /* Upper port range (active) */
u_int16_t pas_lrng; /* Lower port range (passive) */
u_int16_t pas_urng; /* Upper port range (passive) */
int same_adr; /* 1=PORT to same address only */
int srv_mode; /* Transfer mode to server */
u_int32_t srv_addr; /* Destination server IP addr */
u_int16_t srv_port; /* Destination server port */
u_int16_t srv_lrng; /* Lower port range to server */
u_int16_t srv_urng; /* Upper port range to server */
char *curr_cmd; /* Current outstanding command */
int expect; /* Expected answer from server */
int timeout; /* Inactivity timeout in secs */
time_t sess_beg; /* Start time of session */
char xfer_cmd[16]; /* Outstanding transfer cmd */
char xfer_arg[1024]; /* Argument for xfer_cmd */
char xfer_rep[1024]; /* Outstanding server reply */
time_t xfer_beg; /* Start time of data transfer */
size_t xfer_rcnt; /* bytes, read transfers */
size_t xfer_rsec; /* secs, read transfers */
size_t xfer_wcnt; /* bytes, write transfers */
size_t xfer_wsec; /* secs, write transfers */
} CONTEXT;
/* ------------------------------------------------------------ */
void client_run (void);
void client_reinit (void);
void client_respond(int code, char *file, char *fmt, ...);
void client_data_reset(int mode);
int client_setup(char *pwd);
void client_srv_open(void);
/* ------------------------------------------------------------ */
#endif /* defined(_FTP_CLIENT_H_) */
/* ------------------------------------------------------------
* $Log: ftp-client.h,v $
* Revision 1.6.2.1 2003/05/07 11:12:03 mt
* added ctx->auth_mode variale and UAUTH_ flags to remember auth mode
*
* Revision 1.6 2002/05/02 13:15:36 mt
* implemented simple (ldap based) user auth
*
* Revision 1.5 2002/01/14 19:35:44 mt
* implemented workarround for Netscape (4.x) directory symlink handling
* implemented a MaxRecvBufSize option limiting max recv buffer size
* extended log messages to provide basic transfer statistics data
* added snprintf usage if supported, replaced strncpy with misc_strncpy
*
* Revision 1.4 1999/09/24 06:38:52 wiegand
* added regular expressions for all commands
* removed character map and length of paths
* added flag to reset PASV on every PORT
* added "magic" user with built-in destination
* added some argument pointer fortification
*
* Revision 1.3 1999/09/17 16:32:29 wiegand
* changes from source code review
* added POSIX regular expressions
*
* Revision 1.2 1999/09/16 16:29:57 wiegand
* minor updates improving code quality
*
* Revision 1.1 1999/09/15 14:06:22 wiegand
* initial checkin
*
* ------------------------------------------------------------ */
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