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bcpierce00 / unison

Unison file synchronizer
GNU General Public License v3.0
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Windows Unison GUI (but not text) fails with passphrased ssh public key auth #915

Closed alansz closed 1 year ago

alansz commented 1 year ago

Using the unison-v2.51.5+ocaml-4.04.2+i386.windows binaries on Windows 11.

From a cygwin terminal, I can use unison fine in text mode. The connection to the server uses an ssh public key that is passphrase-protected, so I am prompted to enter the passphrase and all goes well.

From the GTK interface, however, the SSH connection box appears and says "Permission denied (public key,keyboard-interactive)" and offers a password prompt that doesn't work. See attached screenshot of the dialog box. This used to work under unison 2.48.3, but the remote end had to upgrade to 2.51+, so somewhere between I guess this functionality changed.

A workaround is to open the cygwin terminal, use ssh-agent and ssh-add to load the keys, and then run the gtk interface from that shell, but it would be great to just run it directly as I used to.

tleedjarv commented 1 year ago

This is the same issue as #909. A fix is coming in the next release but there is still a long way before it is released. To get things working now, you have to use the native Windows port of SSH, not the SSH from Cygwin. You can do that by adjusting the path to make sure a native ssh is found first in path or by using the 'sshcmd' preference from command line or in the profile.

gdt commented 1 year ago

Closing because it is a dup and because bug reports about 2.51.5 are not accepted because it is not the most current release, as documented in the bug report guidelines).