1 /* RCSID("$Id: channels.h,v 1.6 1999/11/24 19:53:45 markus Exp $"); */ 2 3 #ifndef CHANNELS_H 4 #define CHANNELS_H 5 6 /* Definitions for channel types. */ 7 #define SSH_CHANNEL_FREE 0 /* This channel is free (unused). */ 8 #define SSH_CHANNEL_X11_LISTENER 1 /* Listening for inet X11 conn. */ 9 #define SSH_CHANNEL_PORT_LISTENER 2 /* Listening on a port. */ 10 #define SSH_CHANNEL_OPENING 3 /* waiting for confirmation */ 11 #define SSH_CHANNEL_OPEN 4 /* normal open two-way channel */ 12 #define SSH_CHANNEL_CLOSED 5 /* waiting for close confirmation */ 13 /* SSH_CHANNEL_AUTH_FD 6 authentication fd */ 14 #define SSH_CHANNEL_AUTH_SOCKET 7 /* authentication socket */ 15 /* SSH_CHANNEL_AUTH_SOCKET_FD 8 connection to auth socket */ 16 #define SSH_CHANNEL_X11_OPEN 9 /* reading first X11 packet */ 17 #define SSH_CHANNEL_INPUT_DRAINING 10 /* sending remaining data to conn */ 18 #define SSH_CHANNEL_OUTPUT_DRAINING 11 /* sending remaining data to app */ 19 20 /* 21 * Data structure for channel data. This is iniailized in channel_allocate 22 * and cleared in channel_free. 23 */ 24 25 typedef struct Channel { 26 int type; /* channel type/state */ 27 int self; /* my own channel identifier */ 28 int remote_id; /* channel identifier for remote peer */ 29 /* peer can be reached over encrypted connection, via packet-sent */ 30 int istate; /* input from channel (state of receive half) */ 31 int ostate; /* output to channel (state of transmit half) */ 32 int sock; /* data socket, linked to this channel */ 33 Buffer input; /* data read from socket, to be sent over 34 * encrypted connection */ 35 Buffer output; /* data received over encrypted connection for 36 * send on socket */ 37 char path[200]; /* path for unix domain sockets, or host name 38 * for forwards */ 39 int listening_port; /* port being listened for forwards */ 40 int host_port; /* remote port to connect for forwards */ 41 char *remote_name; /* remote hostname */ 42 } Channel; 43 #endif 44