[configure.ac] SCO3 needs -lcrypt_i for -lprot

[openssh.git] / channels.h

diff --git a/channels.h b/channels.h
index 7cb0c367cbb3e8f892df9397728686eb9bf32004..7d981479b1c826d38254d2aaeebee30bb9f98b53 100644 (file)
--- a/channels.h
+++ b/channels.h
@@ -1,3 +1,5 @@
+/*     $OpenBSD: channels.h,v 1.71 2003/09/23 20:41:11 markus Exp $    */
+
 /*
  * Author: Tatu Ylonen <ylo@cs.hut.fi>
  * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
@@ -32,7 +34,6 @@
  * (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 1.63 2002/02/05 14:32:55 markus Exp $"); */
 
 #ifndef CHANNEL_H
 #define CHANNEL_H
@@ -76,6 +77,7 @@ struct Channel {
        int     efd;            /* extended fd */
        int     sock;           /* sock fd */
        int     isatty;         /* rfd is a tty */
+       int     wfd_isatty;     /* wfd is a tty */
        int     force_drain;    /* force close on iEOF */
        int     delayed;                /* fdset hack */
        Buffer  input;          /* data read from socket, to be sent over
@@ -89,12 +91,12 @@ struct Channel {
        int     host_port;      /* remote port to connect for forwards */
        char   *remote_name;    /* remote hostname */
 
-       int     remote_window;
-       int     remote_maxpacket;
-       int     local_window;
-       int     local_window_max;
-       int     local_consumed;
-       int     local_maxpacket;
+       u_int   remote_window;
+       u_int   remote_maxpacket;
+       u_int   local_window;
+       u_int   local_window_max;
+       u_int   local_consumed;
+       u_int   local_maxpacket;
        int     extended_usage;
        int     single_connection;
 
@@ -113,12 +115,12 @@ struct Channel {
 #define CHAN_EXTENDED_WRITE            2
 
 /* default window/packet sizes for tcp/x11-fwd-channel */
-#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)
+#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)
 
 /* possible input states */
 #define CHAN_INPUT_OPEN                        0
@@ -134,12 +136,24 @@ struct Channel {
 
 #define CHAN_CLOSE_SENT                        0x01
 #define CHAN_CLOSE_RCVD                        0x02
+#define CHAN_EOF_SENT                  0x04
+#define CHAN_EOF_RCVD                  0x08
+
+/* check whether 'efd' is still in use */
+#define CHANNEL_EFD_INPUT_ACTIVE(c) \
+       (compat20 && c->extended_usage == CHAN_EXTENDED_READ && \
+       (c->efd != -1 || \
+       buffer_len(&c->extended) > 0))
+#define CHANNEL_EFD_OUTPUT_ACTIVE(c) \
+       (compat20 && c->extended_usage == CHAN_EXTENDED_WRITE && \
+       ((c->efd != -1 && !(c->flags & (CHAN_EOF_RCVD|CHAN_CLOSE_RCVD))) || \
+       buffer_len(&c->extended) > 0))
 
 /* channel management */
 
 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);
+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_free(Channel *);
 void    channel_free_all(void);
 void    channel_stop_listening(void);
@@ -192,7 +206,7 @@ int  channel_setup_remote_fwd_listener(const char *, u_short, int);
 /* x11 forwarding */
 
 int     x11_connect_display(void);
-int     x11_create_display_inet(int, int, int);
+int     x11_create_display_inet(int, int, int, u_int *);
 void     x11_input_open(int, u_int32_t, void *);
 void    x11_request_forwarding_with_spoofing(int, const char *, const char *);
 void    deny_input_open(int, u_int32_t, void *);
@@ -200,10 +214,6 @@ void        deny_input_open(int, u_int32_t, void *);
 /* agent forwarding */
 
 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, u_int32_t, void *);
 
 /* channel close */