Confirmed this in a Cosmic container this morning. It appears the
version in cosmic has an issue with the underscore.
Steps to reproduce:
1. lxc launch ubuntu-daily:c c
2. lxc exec c bash
3. echo "PermitUserEnvironment yes" > /etc/ssh/sshd_config
4. ssh-import-id <your id>
5. add environment="FOO_BAR=1" to start of ssh key line ~/.ssh/authorized_keys
6. attempt to ssh to container and get Permission denined
7. remove the underscore, attempt to ssh again, and ssh will be sucessful
** Changed in: openssh (Ubuntu)
Status: Incomplete => Confirmed
** Changed in: openssh (Ubuntu)
Importance: Low => High
** Tags added: cosmic
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https://bugs.launchpad.net/bugs/1771011
Title:
Doesn't accept environment variable with underscore in its name in
AuthorizedKeysFile
Status in openssh package in Ubuntu:
Confirmed
Bug description:
If environment variable name defined in AuthorizedKeysFile contains
underscore character (environment="FOO_BAR=1" ...), sshd refuses connection and
throws following error:
authorized_keys:1: bad key options: invalid environment string
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/openssh/+bug/1771011/+subscriptions
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