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