https://bugzilla.mindrot.org/show_bug.cgi?id=2932
Bug ID: 2932
Summary: Support customised AuthorizedKeysFile on the remote
host
Product: Portable OpenSSH
Version: 7.9p1
Hardware: Other
OS: Linux
Status: NEW
Severity: enhancement
Priority: P5
Component: ssh-copy-id
Assignee: [email protected]
Reporter: [email protected]
Created attachment 3207
--> https://bugzilla.mindrot.org/attachment.cgi?id=3207&action=edit
[PATCH] Support for sshd authorizedkeysfile variable
For servers that do not default to ~/.ssh/authorized_keys, adding keys
to their specific file requires further steps to fix on the host.
It’s possible once ssh’d into a box to run `sshd -T` to get the
variable for authorized_keys for this user, so this supplied patch does
that. Patch also does expansion for %%, %u, %h, and tries to default
back to ~/.ssh/authorized_keys if there is a failure.
My concern, though, is that even though the sshd_config manfile
suggests quotation support (Arguments may optionally be enclosed in
double quotes (") in order to represent arguments containing spaces.)
for these variables, the output of `sshd -T` is bare:
john@hydrogen ~ ❯ grep AuthorizedKeysFile /etc/ssh/sshd_config
AuthorizedKeysFile "quoted file name"
settings/config/ssh/authorized_keys
john@hydrogen ~ ❯ sshd -T 2> /dev/null | grep authorizedkeysfile
authorizedkeysfile quoted file name settings/config/ssh/authorized_keys
john@hydrogen ~ ❯ sshd -v
OpenSSH_7.6p1 Ubuntu-4ubuntu0.1, OpenSSL 1.0.2n 7 Dec 2017
Which suggests this patch is not good enough as it is to support these
configurations.
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