diff options
Diffstat (limited to 'crypto/openssh/channels.h')
| -rw-r--r-- | crypto/openssh/channels.h | 56 |
1 files changed, 44 insertions, 12 deletions
diff --git a/crypto/openssh/channels.h b/crypto/openssh/channels.h index 2674f09..108b360 100644 --- a/crypto/openssh/channels.h +++ b/crypto/openssh/channels.h @@ -1,4 +1,4 @@ -/* $OpenBSD: channels.h,v 1.88 2006/08/03 03:34:42 deraadt Exp $ */ +/* $OpenBSD: channels.h,v 1.96 2008/06/15 20:06:26 djm Exp $ */ /* * Author: Tatu Ylonen <ylo@cs.hut.fi> @@ -62,8 +62,27 @@ typedef struct Channel Channel; typedef void channel_callback_fn(int, void *); typedef int channel_infilter_fn(struct Channel *, char *, int); +typedef void channel_filter_cleanup_fn(int, void *); typedef u_char *channel_outfilter_fn(struct Channel *, u_char **, u_int *); +/* Channel success/failure callbacks */ +typedef void channel_confirm_cb(int, struct Channel *, void *); +typedef void channel_confirm_abandon_cb(struct Channel *, void *); +struct channel_confirm { + TAILQ_ENTRY(channel_confirm) entry; + channel_confirm_cb *cb; + channel_confirm_abandon_cb *abandon_cb; + void *ctx; +}; +TAILQ_HEAD(channel_confirms, channel_confirm); + +/* Context for non-blocking connects */ +struct channel_connect { + char *host; + int port; + struct addrinfo *ai, *aitop; +}; + struct Channel { int type; /* channel type/state */ int self; /* my own channel identifier */ @@ -104,16 +123,23 @@ struct Channel { char *ctype; /* type */ /* callback */ - channel_callback_fn *confirm; - void *confirm_ctx; + channel_callback_fn *open_confirm; + void *open_confirm_ctx; channel_callback_fn *detach_user; int detach_close; + struct channel_confirms status_confirms; /* filter */ channel_infilter_fn *input_filter; channel_outfilter_fn *output_filter; + void *filter_ctx; + channel_filter_cleanup_fn *filter_cleanup; + + /* keep boundaries */ + int datagram; - int datagram; /* keep boundaries */ + /* non-blocking connect */ + struct channel_connect connect_ctx; }; #define CHAN_EXTENDED_IGNORE 0 @@ -122,9 +148,9 @@ struct Channel { /* 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_SES_WINDOW_DEFAULT (64*CHAN_SES_PACKET_DEFAULT) #define CHAN_TCP_PACKET_DEFAULT (32*1024) -#define CHAN_TCP_WINDOW_DEFAULT (4*CHAN_TCP_PACKET_DEFAULT) +#define CHAN_TCP_WINDOW_DEFAULT (64*CHAN_TCP_PACKET_DEFAULT) #define CHAN_X11_PACKET_DEFAULT (16*1024) #define CHAN_X11_WINDOW_DEFAULT (4*CHAN_X11_PACKET_DEFAULT) @@ -162,7 +188,7 @@ struct Channel { Channel *channel_by_id(int); Channel *channel_lookup(int); Channel *channel_new(char *, int, int, int, int, u_int, u_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, int, u_int); void channel_free(Channel *); void channel_free_all(void); void channel_stop_listening(void); @@ -170,8 +196,11 @@ void channel_stop_listening(void); void channel_send_open(int); void channel_request_start(int, char *, int); void channel_register_cleanup(int, channel_callback_fn *, int); -void channel_register_confirm(int, channel_callback_fn *, void *); -void channel_register_filter(int, channel_infilter_fn *, channel_outfilter_fn *); +void channel_register_open_confirm(int, channel_callback_fn *, void *); +void channel_register_filter(int, channel_infilter_fn *, + channel_outfilter_fn *, channel_filter_cleanup_fn *, void *); +void channel_register_status_confirm(int, channel_confirm_cb *, + channel_confirm_abandon_cb *, void *); void channel_cancel_cleanup(int); int channel_close_fd(int *); void channel_send_window_changes(void); @@ -188,6 +217,7 @@ 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_status_confirm(int, u_int32_t, void *); /* file descriptor handling (read/write) */ @@ -208,9 +238,10 @@ void channel_add_permitted_opens(char *, int); int channel_add_adm_permitted_opens(char *, int); void channel_clear_permitted_opens(void); void channel_clear_adm_permitted_opens(void); +void channel_print_adm_permitted_opens(void); int channel_input_port_forward_request(int, int); -int channel_connect_to(const char *, u_short); -int channel_connect_by_listen_address(u_short); +Channel *channel_connect_to(const char *, u_short, char *, char *); +Channel *channel_connect_by_listen_address(u_short, char *, char *); int channel_request_remote_forwarding(const char *, u_short, const char *, u_short); int channel_setup_local_fwd_listener(const char *, u_short, @@ -225,7 +256,7 @@ int x11_connect_display(void); int x11_create_display_inet(int, int, int, u_int *, int **); void x11_input_open(int, u_int32_t, void *); void x11_request_forwarding_with_spoofing(int, const char *, const char *, - const char *); + const char *); void deny_input_open(int, u_int32_t, void *); /* agent forwarding */ @@ -240,6 +271,7 @@ void chan_mark_dead(Channel *); /* channel events */ void chan_rcvd_oclose(Channel *); +void chan_rcvd_eow(Channel *); /* SSH2-only */ void chan_read_failed(Channel *); void chan_ibuf_empty(Channel *); |
