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Extra safety feature to avoid sending SSH2_MSG_WINDOW_ADJUST on

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a nonexistent channel. I don't quite know why this was happening,
but whatever it was this ought to fix it.

[originally from svn r1540]
This commit is contained in:
Simon Tatham 2002-01-10 13:29:43 +00:00
parent 290e08ae76
commit cf8190f637
1 changed files with 8 additions and 0 deletions
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8
ssh.c
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@ -3734,6 +3734,14 @@ static int ssh2_try_send(struct ssh_channel *c)
*/ */
static void ssh2_set_window(struct ssh_channel *c, unsigned newwin) static void ssh2_set_window(struct ssh_channel *c, unsigned newwin)
{ {
/*
* Never send WINDOW_ADJUST for a channel that the remote side
* already thinks it's closed; there's no point, since it won't
* be sending any more data anyway.
*/
if (c->closes != 0)
return;
if (newwin > c->v.v2.locwindow) { if (newwin > c->v.v2.locwindow) {
ssh2_pkt_init(SSH2_MSG_CHANNEL_WINDOW_ADJUST); ssh2_pkt_init(SSH2_MSG_CHANNEL_WINDOW_ADJUST);
ssh2_pkt_adduint32(c->remoteid); ssh2_pkt_adduint32(c->remoteid);