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NeoStats-NeoIRCd/servlink/servlink.h
2002-08-13 14:45:13 +00:00

114 lines
2.9 KiB
C

/************************************************************************
* 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.
*
* $Id: servlink.h,v 1.2 2002/08/13 14:45:12 fishwaldo Exp $
*/
#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 */