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We accidentally send an empty string and a zero uint32 with
 every direct-streamlocal@openssh.com channel open, in contravention of our
 own spec.

Fixing this is too hard wrt existing versions that expect these
fields to be present and fatal() if they aren't, so document them
as "reserved" fields in the PROTOCOL spec as though we always
intended this and let us never speak of it again.

bz#2529, reported by Ron Frederick

Upstream-ID: 34cd326a4d236ca6e39084c4ff796bd97ab833e7
This commit is contained in:
djm@openbsd.org 2016-04-08 06:35:54 +00:00 committed by Damien Miller
parent 0ccbd5eca0
commit 90ee563fa6
1 changed files with 3 additions and 1 deletions
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4
PROTOCOL
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@ -247,6 +247,8 @@ to request that the server make a connection to a Unix domain socket.
uint32 initial window size
uint32 maximum packet size
string socket path
string reserved
uint32 reserved
Similar to forwarded-tcpip, forwarded-streamlocal is sent by the
server when the client has previously send the server a streamlocal-forward
@ -452,4 +454,4 @@ respond with a SSH_FXP_STATUS message.
This extension is advertised in the SSH_FXP_VERSION hello with version
"1".
$OpenBSD: PROTOCOL,v 1.29 2015/07/17 03:09:19 djm Exp $
$OpenBSD: PROTOCOL,v 1.30 2016/04/08 06:35:54 djm Exp $