===================================================================
RCS file: /cvsrepo/anoncvs/cvs/src/usr.bin/ssh/channels.h,v
retrieving revision 1.12
retrieving revision 1.12.2.2
diff -u -r1.12 -r1.12.2.2
--- src/usr.bin/ssh/channels.h	2000/05/03 18:03:06	1.12
+++ src/usr.bin/ssh/channels.h	2000/09/01 18:23:18	1.12.2.2
@@ -1,4 +1,4 @@
-/* RCSID("$Id: channels.h,v 1.12 2000/05/03 18:03:06 markus Exp $"); */
+/* RCSID("$OpenBSD: channels.h,v 1.12.2.2 2000/09/01 18:23:18 jason Exp $"); */
 
 #ifndef CHANNELS_H
 #define CHANNELS_H
@@ -21,9 +21,13 @@
  * Data structure for channel data.  This is iniailized in channel_allocate
  * and cleared in channel_free.
  */
+struct Channel;
+typedef struct Channel Channel;
+
 typedef void channel_callback_fn(int id, void *arg);
+typedef int channel_filter_fn(struct Channel *c, char *buf, int len);
 
-typedef struct Channel {
+struct Channel {
 	int     type;		/* channel type/state */
 	int     self;		/* my own channel identifier */
 	int     remote_id;	/* channel identifier for remote peer */
@@ -61,8 +65,11 @@
 	void	*cb_arg;
 	int	cb_event;
 	channel_callback_fn	*dettach_user;
-}       Channel;
 
+	/* filter */
+	channel_filter_fn	*input_filter;
+};
+
 #define CHAN_EXTENDED_IGNORE		0
 #define CHAN_EXTENDED_READ		1
 #define CHAN_EXTENDED_WRITE		2
@@ -73,6 +80,7 @@
 void	channel_request_start(int id, char *service, int wantconfirm);
 void	channel_register_callback(int id, int mtype, channel_callback_fn *fn, void *arg);
 void	channel_register_cleanup(int id, channel_callback_fn *fn);
+void	channel_register_filter(int id, channel_filter_fn *fn);
 void	channel_cancel_cleanup(int id);
 Channel	*channel_lookup(int id);
 
@@ -222,10 +230,10 @@
 char   *auth_get_socket_name(void);
 
 /*
- * This if called to process SSH_CMSG_AGENT_REQUEST_FORWARDING on the server.
+ * This is called to process SSH_CMSG_AGENT_REQUEST_FORWARDING on the server.
  * This starts forwarding authentication requests.
  */
-void    auth_input_request_forwarding(struct passwd * pw);
+int     auth_input_request_forwarding(struct passwd * pw);
 
 /* This is called to process an SSH_SMSG_AGENT_OPEN message. */
 void    auth_input_open_request(int type, int plen);