[openssh-commits] [openssh] branch master updated (ff3eda68 -> 694150ad)

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djm pushed a change to branch master
in repository openssh.

      from  ff3eda68  Set LLONG_MAX for C89 test.
       new  43254b32  upstream: set interactive mode for ControlPersist sessions if they
       new  ccf7d913  upstream: make channel_output_poll() return a flag indicating
       new  b5fd9789  upstream: avoid bogus "obfuscate_keystroke_timing: stopping ..."
       new  694150ad  upstream: trigger keystroke timing obfucation only if the channels

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Detailed log of new commits:

commit 694150ad92765574ff82a18f4e86322bd3231e68
Author: djm at openbsd.org <djm at openbsd.org>
Date:   Mon Sep 4 00:08:14 2023 +0000

    upstream: trigger keystroke timing obfucation only if the channels
    
    layer enqueud some data in the last poll() cycle; this avoids triggering the
    obfuscatior for non-channels data like ClientAlive probes and also fixes a
    related problem were the obfucations would be triggered on fully quiescent
    connections.
    
    Based on / tested by naddy@
    
    OpenBSD-Commit-ID: d98f32dc62d7663ff4660e4556e184032a0db123

commit b5fd97896b59a3a46245cf438cc8b16c795d9f74
Author: djm at openbsd.org <djm at openbsd.org>
Date:   Mon Sep 4 00:04:02 2023 +0000

    upstream: avoid bogus "obfuscate_keystroke_timing: stopping ..."
    
    debug messages when keystroke timing obfuscation was never started; spotted
    by naddy@
    
    OpenBSD-Commit-ID: 5c270d35f7d2974db5c1646e9c64188f9393be31

commit ccf7d913db34e49b7a6db1b8331bd402004c840d
Author: djm at openbsd.org <djm at openbsd.org>
Date:   Mon Sep 4 00:01:46 2023 +0000

    upstream: make channel_output_poll() return a flag indicating
    
    whether channel data was enqueued. Will be used to improve keystroke timing
    obfuscation. Problem spotted by / tested by naddy@
    
    OpenBSD-Commit-ID: f9776c7b0065ba7c3bbe50431fd3b629f44314d0

commit 43254b326ac6e2131dbd750f9464dc62c14bd5a7
Author: djm at openbsd.org <djm at openbsd.org>
Date:   Sun Sep 3 23:59:32 2023 +0000

    upstream: set interactive mode for ControlPersist sessions if they
    
    originally requested a tty; enables keystroke timing obfuscation for most
    ControlPersist sessions. Spotted by naddy@
    
    OpenBSD-Commit-ID: 72783a26254202e2f3f41a2818a19956fe49a772

Summary of changes:
 channels.c   | 35 ++++++++++++++++++++++-------------
 channels.h   |  4 ++--
 clientloop.c | 32 +++++++++++++++++++-------------
 ssh.c        | 11 +++++++----
 4 files changed, 50 insertions(+), 32 deletions(-)

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