https://bugzilla.mindrot.org/show_bug.cgi?id=3796
Bug ID: 3796
Summary: %tokens and environment variables are not expanded
within `Include` statements
Product: Portable OpenSSH
Version: 9.9p2
Hardware: Other
OS: Windows 11
Status: NEW
Severity: enhancement
Priority: P5
Component: ssh
Assignee: unassigned-b...@mindrot.org
Reporter: skyler.s...@gmail.com
OpenSSH supports the use of include statements such as:
```
# /etc/ssh/ssh_config
Include ssh_config.d/%u/config
```
This allows administrators to set per-user settings. This feature is
not supported by this implementation.
If this is an intentional deviation from the standard, it should be
documented as currently the wiki links to the [OpenBSD manpage for
`ssh_config(5)`](https://man.openbsd.org/ssh_config) that specifies the
expansion behavior.
From that page:
> Include
> Include the specified configuration file(s). Multiple pathnames may be
> specified and each pathname may contain glob(7) wildcards, tokens as
> described in the TOKENS section, environment variables as described in the
> ENVIRONMENT VARIABLES section and, for user configurations, shell-like ‘~’
> references to user home directories.
### Technical implementation details
[This function
call](https://github.com/openssh/openssh-portable/blob/dfd9880585db1570656022f9fe1519df673f7b8a/readconf.c#L2076)
in the `oInclude` case should be called. That function call is not
present in this project's `readconf.c`.
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