* (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 1.40 2001/06/25 08:25:36 markus Exp $"); */
+/* RCSID("$OpenBSD: channels.h,v 1.46 2001/09/17 20:52:47 markus Exp $"); */
#ifndef CHANNEL_H
#define CHANNEL_H
#define SSH_CHANNEL_PATH_LEN 30
-/*
- * Data structure for channel data. This is initialized in channel_new
- * 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 void channel_callback_fn(int, void *);
+typedef int channel_filter_fn(struct Channel *, char *, int);
struct Channel {
int type; /* channel type/state */
int efd; /* extended fd */
int sock; /* sock fd */
int isatty; /* rfd is a tty */
+ int force_drain; /* force close on iEOF */
Buffer input; /* data read from socket, to be sent over
* encrypted connection */
Buffer output; /* data received over encrypted connection for
channel_callback_fn *cb_fn;
void *cb_arg;
int cb_event;
- channel_callback_fn *dettach_user;
+ channel_callback_fn *detach_user;
/* filter */
channel_filter_fn *input_filter;
#define CHAN_CLOSE_SENT 0x01
#define CHAN_CLOSE_RCVD 0x02
-
/* channel management */
-Channel *channel_lookup(int id);
-Channel *
-channel_new(char *ctype, int type, int rfd, int wfd, int efd,
- int window, int maxpack, int extusage, char *remote_name, int nonblock);
-void
-channel_set_fds(int id, int rfd, int wfd, int efd,
- int extusage, int nonblock);
-void channel_free(Channel *c);
-void channel_free_all(void);
-
-void channel_send_open(int id);
-void channel_request(int id, char *service, int wantconfirm);
-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);
+Channel *channel_new(char *, int, int, int, int, int, int, int, char *, int);
+void channel_set_fds(int, int, int, int, int, int);
+void channel_free(Channel *);
+void channel_free_all(void);
+void channel_detach_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_filter(int, channel_filter_fn *);
+void channel_cancel_cleanup(int);
+int channel_close_fd(int *);
/* protocol handler */
-void channel_input_channel_request(int type, int plen, void *ctxt);
-void channel_input_close(int type, int plen, void *ctxt);
-void channel_input_close_confirmation(int type, int plen, void *ctxt);
-void channel_input_data(int type, int plen, void *ctxt);
-void channel_input_extended_data(int type, int plen, void *ctxt);
-void channel_input_ieof(int type, int plen, void *ctxt);
-void channel_input_oclose(int type, int plen, void *ctxt);
-void channel_input_open_confirmation(int type, int plen, void *ctxt);
-void channel_input_open_failure(int type, int plen, void *ctxt);
-void channel_input_port_open(int type, int plen, void *ctxt);
-void channel_input_window_adjust(int type, int plen, void *ctxt);
+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) */
-void
-channel_prepare_select(fd_set **readsetp, fd_set **writesetp, int *maxfdp,
- int rekeying);
-void channel_after_select(fd_set * readset, fd_set * writeset);
-void channel_output_poll(void);
+void channel_prepare_select(fd_set **, fd_set **, int *, int*, int);
+void channel_after_select(fd_set *, fd_set *);
+void channel_output_poll(void);
-int channel_not_very_much_buffered_data(void);
-void channel_close_all(void);
-void channel_free_all(void);
-int channel_still_open(void);
-char *channel_open_message(void);
-int channel_find_open(void);
+int channel_not_very_much_buffered_data(void);
+void channel_close_all(void);
+void channel_free_all(void);
+int channel_still_open(void);
+char *channel_open_message(void);
+int channel_find_open(void);
/* channel_tcpfwd.c */
+void channel_permit_all_opens(void);
+void channel_add_permitted_opens(char *, int);
+void channel_clear_permitted_opens(void);
+void channel_input_port_forward_request(int, int);
+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_request_local_forwarding(u_short, const char *, u_short, int);
int
-channel_request_local_forwarding(u_short listen_port,
- const char *host_to_connect, u_short port_to_connect, int gateway_ports);
-int
-channel_request_forwarding(const char *listen_address, u_short listen_port,
- const char *host_to_connect, u_short port_to_connect, int gateway_ports,
- int remote_fwd);
-void
-channel_request_remote_forwarding(u_short port, const char *host,
- u_short remote_port);
-void channel_permit_all_opens(void);
-void channel_add_permitted_opens(char *host, int port);
-void channel_clear_permitted_opens(void);
-void channel_input_port_forward_request(int is_root, int gateway_ports);
-int channel_connect_to(const char *host, u_short host_port);
-int channel_connect_by_listen_adress(u_short listen_port);
+channel_request_forwarding(const char *, u_short, const char *, u_short, int,
+ int);
/* x11 forwarding */
-int x11_connect_display(void);
-char *x11_create_display(int screen);
-char *x11_create_display_inet(int screen, int x11_display_offset);
-void x11_input_open(int type, int plen, void *ctxt);
-void x11_request_forwarding(void);
-void
-x11_request_forwarding_with_spoofing(int client_session_id,
- const char *proto, const char *data);
-void deny_input_open(int type, int plen, void *ctxt);
+int x11_connect_display(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, int, void *);
/* agent forwarding */
-void auth_request_forwarding(void);
-char *auth_get_socket_name(void);
-void auth_sock_cleanup_proc(void *pw);
-int auth_input_request_forwarding(struct passwd * pw);
-void auth_input_open_request(int type, int plen, void *ctxt);
+void auth_request_forwarding(void);
+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, int, void *);
/* channel close */
-typedef void chan_event_fn(Channel * c);
+int chan_is_dead(Channel *);
+void chan_mark_dead(Channel *);
+void chan_init_iostates(Channel *);
+void chan_init(void);
+
+typedef void chan_event_fn(Channel *);
/* for the input state */
extern chan_event_fn *chan_rcvd_oclose;
extern chan_event_fn *chan_write_failed;
extern chan_event_fn *chan_obuf_empty;
-int chan_is_dead(Channel * c);
-void chan_mark_dead(Channel * c);
-void chan_init_iostates(Channel * c);
-void chan_init(void);
-
#endif
andersk / openssh.git / blobdiff