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/* RCSID("$Id: channels.h,v 1.4 1999/11/25 00:54:58 damien Exp $"); */
#ifndef CHANNELS_H
#define CHANNELS_H
/* Definitions for channel types. */
#define SSH_CHANNEL_FREE 0 /* This channel is free (unused). */
#define SSH_CHANNEL_X11_LISTENER 1 /* Listening for inet X11 conn. */
#define SSH_CHANNEL_PORT_LISTENER 2 /* Listening on a port. */
#define SSH_CHANNEL_OPENING 3 /* waiting for confirmation */
#define SSH_CHANNEL_OPEN 4 /* normal open two-way channel */
#define SSH_CHANNEL_CLOSED 5 /* waiting for close confirmation */
/* SSH_CHANNEL_AUTH_FD 6 authentication fd */
#define SSH_CHANNEL_AUTH_SOCKET 7 /* authentication socket */
/* SSH_CHANNEL_AUTH_SOCKET_FD 8 connection to auth socket */
#define SSH_CHANNEL_X11_OPEN 9 /* reading first X11 packet */
#define SSH_CHANNEL_INPUT_DRAINING 10 /* sending remaining data to conn */
#define SSH_CHANNEL_OUTPUT_DRAINING 11 /* sending remaining data to app */
/*
* Data structure for channel data. This is iniailized in channel_allocate
* and cleared in channel_free.
*/
typedef struct Channel {
int type; /* channel type/state */
int self; /* my own channel identifier */
int remote_id; /* channel identifier for remote peer */
/* peer can be reached over encrypted connection, via packet-sent */
int istate; /* input from channel (state of receive half) */
int ostate; /* output to channel (state of transmit half) */
int sock; /* data socket, linked to this channel */
Buffer input; /* data read from socket, to be sent over
* encrypted connection */
Buffer output; /* data received over encrypted connection for
* send on socket */
char path[200]; /* path for unix domain sockets, or host name
* for forwards */
int listening_port; /* port being listened for forwards */
int host_port; /* remote port to connect for forwards */
char *remote_name; /* remote hostname */
} Channel;
#endif
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