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Diffstat (limited to 'channels.h')
-rw-r--r--channels.h17
1 files changed, 14 insertions, 3 deletions
diff --git a/channels.h b/channels.h
index 378d987c..6bf86b00 100644
--- a/channels.h
+++ b/channels.h
@@ -1,4 +1,4 @@
-/* $OpenBSD: channels.h,v 1.137 2021/04/03 06:18:40 djm Exp $ */
+/* $OpenBSD: channels.h,v 1.138 2021/05/19 01:24:05 djm Exp $ */
/*
* Author: Tatu Ylonen <ylo@cs.hut.fi>
@@ -63,6 +63,16 @@
#define CHANNEL_CANCEL_PORT_STATIC -1
+/* nonblocking flags for channel_new */
+#define CHANNEL_NONBLOCK_LEAVE 0 /* don't modify non-blocking state */
+#define CHANNEL_NONBLOCK_SET 1 /* set non-blocking state */
+#define CHANNEL_NONBLOCK_STDIO 2 /* set non-blocking and restore on close */
+
+/* c->restore_block mask flags */
+#define CHANNEL_RESTORE_RFD 0x01
+#define CHANNEL_RESTORE_WFD 0x02
+#define CHANNEL_RESTORE_EFD 0x04
+
/* TCP forwarding */
#define FORWARD_DENY 0
#define FORWARD_REMOTE (1)
@@ -139,6 +149,7 @@ struct Channel {
* to a matching pre-select handler.
* this way post-select handlers are not
* accidentally called if a FD gets reused */
+ int restore_block; /* fd mask to restore blocking status */
struct sshbuf *input; /* data read from socket, to be sent over
* encrypted connection */
struct sshbuf *output; /* data received over encrypted connection for
@@ -266,7 +277,7 @@ void channel_register_filter(struct ssh *, int, channel_infilter_fn *,
void channel_register_status_confirm(struct ssh *, int,
channel_confirm_cb *, channel_confirm_abandon_cb *, void *);
void channel_cancel_cleanup(struct ssh *, int);
-int channel_close_fd(struct ssh *, int *);
+int channel_close_fd(struct ssh *, Channel *, int *);
void channel_send_window_changes(struct ssh *);
/* mux proxy support */
@@ -313,7 +324,7 @@ Channel *channel_connect_to_port(struct ssh *, const char *, u_short,
char *, char *, int *, const char **);
Channel *channel_connect_to_path(struct ssh *, const char *, char *, char *);
Channel *channel_connect_stdio_fwd(struct ssh *, const char*,
- u_short, int, int);
+ u_short, int, int, int);
Channel *channel_connect_by_listen_address(struct ssh *, const char *,
u_short, char *, char *);
Channel *channel_connect_by_listen_path(struct ssh *, const char *,