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Stabily sort matches

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OpenSSH's Match declarations are applied first-match-wins. However, we
can't safely define two Matches that might overlap unless we first sort
the keys, as Python (and Jinja) dicts don't guarantee the order of
dict keys,

We also won't scramble the match sequence every time the user adds,
removes or renames a match, and so we give the user clearer, more
concise diffs as when they apply changes.

Finally, we leave a comment on the Match line identifying where the
Match rule came from, to assist in troubleshooting.
This commit is contained in:
Michael Mol 2017-06-12 12:05:46 -04:00
parent 710175799b
commit 6229a6d122
1 changed files with 2 additions and 2 deletions
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4
openssh/files/sshd_config
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@ -227,12 +227,12 @@
{# Handle matches last as they need to go at the bottom #}
{%- if 'matches' in sshd_config %}
{%- for match in sshd_config['matches'].values() %}
{%- for name, match in sshd_config['matches']|dictsort %}
Match
{#- Set up the match criteria -#}
{%- for criteria in match['type'].keys()|sort() -%}
{{- ' ' }}{{criteria }} {{ join_to_string(match['type'], criteria) -}}
{%- endfor -%}
{%- endfor %} #{{ name }}
{#- Set up the applied options -#}
{%- for keyword in match['options'].keys() %}
{{ render_option(keyword, '', config_dict=match['options']) }}