2002-08-13 14:34:25 +00:00
|
|
|
/************************************************************************
|
|
|
|
* IRC - Internet Relay Chat, servlink/servlink.h
|
|
|
|
*
|
|
|
|
* 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 1, 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., 675 Mass Ave, Cambridge, MA 02139, USA.
|
|
|
|
*
|
2002-08-13 14:45:13 +00:00
|
|
|
* $Id: servlink.h,v 1.2 2002/08/13 14:45:12 fishwaldo Exp $
|
2002-08-13 14:34:25 +00:00
|
|
|
*/
|
|
|
|
|
|
|
|
#ifndef INCLUDED_servlink_servlink_h
|
|
|
|
#define INCLUDED_servlink_servlink_h
|
|
|
|
|
|
|
|
#include "setup.h"
|
|
|
|
|
|
|
|
#ifdef HAVE_LIBCRYPTO
|
|
|
|
#include <openssl/evp.h>
|
|
|
|
#endif
|
|
|
|
#ifdef HAVE_LIBZ
|
|
|
|
#include <zlib.h>
|
|
|
|
#endif
|
|
|
|
|
|
|
|
/* do not use stdin/out/err, as it seems to break on solaris */
|
|
|
|
#define CONTROL_R fds[0]
|
|
|
|
#define CONTROL_W fds[1]
|
|
|
|
#define LOCAL_R fds[2]
|
|
|
|
#define LOCAL_W fds[3]
|
|
|
|
#define REMOTE_R fds[4]
|
|
|
|
#define REMOTE_W REMOTE_R
|
|
|
|
|
|
|
|
#undef SERVLINK_DEBUG
|
|
|
|
|
|
|
|
#define READLEN 16384
|
|
|
|
|
|
|
|
#ifdef HAVE_LIBZ
|
|
|
|
#define BUFLEN READLEN * 6 /* allow for decompression */
|
|
|
|
#else
|
|
|
|
#define BUFLEN READLEN
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
|
|
#ifdef HAVE_LIBCRYPTO
|
|
|
|
#define CIPHER_BF 1
|
|
|
|
#define CIPHER_CAST 2
|
|
|
|
#define CIPHER_DES 3
|
|
|
|
#define CIPHER_3DES 4
|
|
|
|
#define CIPHER_IDEA 5
|
|
|
|
#define CIPHER_RC5_8 6
|
|
|
|
#define CIPHER_RC5_12 7
|
|
|
|
#define CIPHER_RC5_16 8
|
|
|
|
|
|
|
|
struct crypt_state
|
|
|
|
{
|
|
|
|
EVP_CIPHER_CTX ctx;
|
|
|
|
EVP_CIPHER *cipher;
|
|
|
|
unsigned int keylen; /* bytes */
|
|
|
|
unsigned char *key;
|
|
|
|
unsigned int ivlen; /* bytes */
|
|
|
|
unsigned char *iv;
|
|
|
|
unsigned int rounds; /* rc5 only */
|
|
|
|
};
|
|
|
|
#endif
|
|
|
|
|
|
|
|
#ifdef HAVE_LIBZ
|
|
|
|
struct zip_state
|
|
|
|
{
|
|
|
|
z_stream z_stream;
|
|
|
|
int level; /* compression level */
|
|
|
|
};
|
|
|
|
#endif
|
|
|
|
|
|
|
|
struct slink_state
|
|
|
|
{
|
|
|
|
unsigned int crypt:1;
|
|
|
|
unsigned int zip:1;
|
|
|
|
unsigned int active:1;
|
|
|
|
|
|
|
|
unsigned char buf[BUFLEN*2];
|
|
|
|
unsigned int ofs;
|
|
|
|
unsigned int len;
|
|
|
|
|
|
|
|
#ifdef HAVE_LIBCRYPTO
|
|
|
|
struct crypt_state crypt_state;
|
|
|
|
#endif
|
|
|
|
#ifdef HAVE_LIBZ
|
|
|
|
struct zip_state zip_state;
|
|
|
|
#endif
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
|
|
typedef void (io_callback)(void);
|
|
|
|
|
|
|
|
struct fd_table
|
|
|
|
{
|
|
|
|
int fd;
|
|
|
|
io_callback *read_cb;
|
|
|
|
io_callback *write_cb;
|
|
|
|
};
|
|
|
|
|
|
|
|
extern struct slink_state in_state;
|
|
|
|
extern struct slink_state out_state;
|
|
|
|
extern struct fd_table fds[5];
|
|
|
|
|
|
|
|
#endif /* INCLUDED_servlink_servlink_h */
|