-/* $OpenBSD: channels.h,v 1.65 2002/03/04 17:27:39 stevesk Exp $ */
-
/*
* Author: Tatu Ylonen <ylo@cs.hut.fi>
* Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
* called by a name other than "ssh" or "Secure Shell".
*/
/*
- * Copyright (c) 1999, 2000, 2001, 2002 Markus Friedl. All rights reserved.
+ * Copyright (c) 1999, 2000, 2001 Markus Friedl. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
+/* RCSID("$OpenBSD: channels.h,v 1.51 2001/11/07 22:53:21 markus Exp $"); */
#ifndef CHANNEL_H
#define CHANNEL_H
int type; /* channel type/state */
int self; /* my own channel identifier */
int remote_id; /* channel identifier for remote peer */
- u_int istate; /* input from channel (state of receive half) */
- u_int ostate; /* output to channel (state of transmit half) */
+ int istate; /* input from channel (state of receive half) */
+ int ostate; /* output to channel (state of transmit half) */
int flags; /* close sent/rcvd */
int rfd; /* read fd */
int wfd; /* write fd */
int local_consumed;
int local_maxpacket;
int extended_usage;
- int single_connection;
char *ctype; /* type */
/* callback */
- channel_callback_fn *confirm;
+ channel_callback_fn *cb_fn;
+ void *cb_arg;
+ int cb_event;
channel_callback_fn *detach_user;
/* filter */
#define CHAN_EXTENDED_WRITE 2
/* default window/packet sizes for tcp/x11-fwd-channel */
-#define CHAN_SES_PACKET_DEFAULT (32*1024)
-#define CHAN_SES_WINDOW_DEFAULT (4*CHAN_SES_PACKET_DEFAULT)
-#define CHAN_TCP_PACKET_DEFAULT (32*1024)
-#define CHAN_TCP_WINDOW_DEFAULT (4*CHAN_TCP_PACKET_DEFAULT)
-#define CHAN_X11_PACKET_DEFAULT (16*1024)
-#define CHAN_X11_WINDOW_DEFAULT (4*CHAN_X11_PACKET_DEFAULT)
+#define CHAN_SES_WINDOW_DEFAULT (32*1024)
+#define CHAN_SES_PACKET_DEFAULT (CHAN_SES_WINDOW_DEFAULT/2)
+#define CHAN_TCP_WINDOW_DEFAULT (32*1024)
+#define CHAN_TCP_PACKET_DEFAULT (CHAN_TCP_WINDOW_DEFAULT/2)
+#define CHAN_X11_WINDOW_DEFAULT (4*1024)
+#define CHAN_X11_PACKET_DEFAULT (CHAN_X11_WINDOW_DEFAULT/2)
/* possible input states */
-#define CHAN_INPUT_OPEN 0
-#define CHAN_INPUT_WAIT_DRAIN 1
-#define CHAN_INPUT_WAIT_OCLOSE 2
-#define CHAN_INPUT_CLOSED 3
+#define CHAN_INPUT_OPEN 0x01
+#define CHAN_INPUT_WAIT_DRAIN 0x02
+#define CHAN_INPUT_WAIT_OCLOSE 0x04
+#define CHAN_INPUT_CLOSED 0x08
/* possible output states */
-#define CHAN_OUTPUT_OPEN 0
-#define CHAN_OUTPUT_WAIT_DRAIN 1
-#define CHAN_OUTPUT_WAIT_IEOF 2
-#define CHAN_OUTPUT_CLOSED 3
+#define CHAN_OUTPUT_OPEN 0x10
+#define CHAN_OUTPUT_WAIT_DRAIN 0x20
+#define CHAN_OUTPUT_WAIT_IEOF 0x40
+#define CHAN_OUTPUT_CLOSED 0x80
#define CHAN_CLOSE_SENT 0x01
#define CHAN_CLOSE_RCVD 0x02
Channel *channel_lookup(int);
Channel *channel_new(char *, int, int, int, int, int, int, int, char *, int);
-void channel_set_fds(int, int, int, int, int, int, u_int);
+void channel_set_fds(int, int, int, int, int, int);
void channel_free(Channel *);
void channel_free_all(void);
void channel_stop_listening(void);
void channel_send_open(int);
+void channel_request(int, char *, int);
void channel_request_start(int, char *, int);
+void channel_register_callback(int, int mtype, channel_callback_fn *, void *);
void channel_register_cleanup(int, channel_callback_fn *);
-void channel_register_confirm(int, channel_callback_fn *);
void channel_register_filter(int, channel_filter_fn *);
void channel_cancel_cleanup(int);
int channel_close_fd(int *);
/* protocol handler */
-void channel_input_close(int, u_int32_t, void *);
-void channel_input_close_confirmation(int, u_int32_t, void *);
-void channel_input_data(int, u_int32_t, void *);
-void channel_input_extended_data(int, u_int32_t, void *);
-void channel_input_ieof(int, u_int32_t, void *);
-void channel_input_oclose(int, u_int32_t, void *);
-void channel_input_open_confirmation(int, u_int32_t, void *);
-void channel_input_open_failure(int, u_int32_t, void *);
-void channel_input_port_open(int, u_int32_t, void *);
-void channel_input_window_adjust(int, u_int32_t, void *);
+void channel_input_channel_request(int, int, void *);
+void channel_input_close(int, int, void *);
+void channel_input_close_confirmation(int, int, void *);
+void channel_input_data(int, int, void *);
+void channel_input_extended_data(int, int, void *);
+void channel_input_ieof(int, int, void *);
+void channel_input_oclose(int, int, void *);
+void channel_input_open_confirmation(int, int, void *);
+void channel_input_open_failure(int, int, void *);
+void channel_input_port_open(int, int, void *);
+void channel_input_window_adjust(int, int, void *);
/* file descriptor handling (read/write) */
int channel_connect_to(const char *, u_short);
int channel_connect_by_listen_address(u_short);
void channel_request_remote_forwarding(u_short, const char *, u_short);
-int channel_setup_local_fwd_listener(u_short, const char *, u_short, int);
-int channel_setup_remote_fwd_listener(const char *, u_short, int);
+int channel_request_local_forwarding(u_short, const char *, u_short, int);
+int
+channel_request_forwarding(const char *, u_short, const char *, u_short, int,
+ int);
/* x11 forwarding */
int x11_connect_display(void);
-int x11_create_display_inet(int, int, int);
-void x11_input_open(int, u_int32_t, void *);
+char *x11_create_display(int);
+char *x11_create_display_inet(int, int);
+void x11_input_open(int, int, void *);
+void x11_request_forwarding(void);
void x11_request_forwarding_with_spoofing(int, const char *, const char *);
-void deny_input_open(int, u_int32_t, void *);
+void deny_input_open(int, int, void *);
/* agent forwarding */
char *auth_get_socket_name(void);
void auth_sock_cleanup_proc(void *);
int auth_input_request_forwarding(struct passwd *);
-void auth_input_open_request(int, u_int32_t, void *);
+void auth_input_open_request(int, int, void *);
/* channel close */
int chan_is_dead(Channel *, int);
void chan_mark_dead(Channel *);
+void chan_init_iostates(Channel *);
+void chan_init(void);
-/* channel events */
+typedef void chan_event_fn(Channel *);
-void chan_rcvd_oclose(Channel *);
-void chan_read_failed(Channel *);
-void chan_ibuf_empty(Channel *);
+/* for the input state */
+extern chan_event_fn *chan_rcvd_oclose;
+extern chan_event_fn *chan_read_failed;
+extern chan_event_fn *chan_ibuf_empty;
-void chan_rcvd_ieof(Channel *);
-void chan_write_failed(Channel *);
-void chan_obuf_empty(Channel *);
+/* for the output state */
+extern chan_event_fn *chan_rcvd_ieof;
+extern chan_event_fn *chan_write_failed;
+extern chan_event_fn *chan_obuf_empty;
#endif
andersk / gssapi-openssh.git / blobdiff