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Don't send SSH_MSG_CHANNEL_WINDOW_ADJUST with a zero adjustment.

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This commit is contained in:
Ben Harris 2016-05-17 16:28:56 +02:00
parent 0e1b0e24c1
commit e06833b46b
1 changed files with 4 additions and 3 deletions
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7
ssh.c
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@ -7883,7 +7883,8 @@ static void ssh_channel_unthrottle(struct ssh_channel *c, int bufsize)
buflimit = 0;
else
buflimit = c->v.v2.locmaxwin;
ssh2_set_window(c, bufsize < buflimit ? buflimit - bufsize : 0);
if (bufsize < buflimit)
ssh2_set_window(c, buflimit - bufsize);
}
if (c->throttling_conn && bufsize <= buflimit) {
c->throttling_conn = 0;
@ -8115,8 +8116,8 @@ static void ssh2_msg_channel_data(Ssh ssh, struct Packet *pktin)
* need to adjust the window if the server's
* sent excess data.
*/
ssh2_set_window(c, bufsize < c->v.v2.locmaxwin ?
c->v.v2.locmaxwin - bufsize : 0);
if (bufsize < c->v.v2.locmaxwin)
ssh2_set_window(c, c->v.v2.locmaxwin - bufsize);
/*
* If we're either buffering way too much data, or if we're
* buffering anything at all and we're in "simple" mode,