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Changed sshd_config generation to more readable scheme. 

Synced file with default from Ubuntu 12.04 latest
This commit is contained in:
Oleg Tsarev 2014-04-24 00:29:11 +02:00
parent cee3f097f0
commit 48ebd1b07b
1 changed files with 94 additions and 42 deletions
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136
openssh/files/sshd_config
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@ -1,83 +1,118 @@
{%- set sshd_config = pillar.get('sshd_config', {}) -%}
{#- present in sshd_config and known in actual file options -#}
{%- set processed_options = [] -%}
{#- macros for render option according to present -#}
{%- macro option_impl(keyword, default, present) -%}
{%- if present -%}
{%- do processed_options.append(keyword) -%}
{%- set prefix='' -%}
{%- else -%}
{%- set prefix='#' -%}
{%- endif -%}
{%- set value = sshd_config.get(keyword, default) -%}
{%- if value is sameas true -%}
{{ prefix }}{{ keyword }} yes
{%- elif value is sameas false -%}
{{ prefix }}{{ keyword }} no
{%- elif value is string or value is number -%}
{{ prefix }}{{ keyword }} {{ value }}
{%- else -%}
{%- for single_value in value -%}
{{ prefix }}{{ keyword }} {{ single_value }}
{% endfor -%}
{%- endif -%}
{%- endmacro -%}
{#- macros for render option commented by default -#}
{%- macro option(keyword, default, present) -%}
{{ option_impl(keyword, default, keyword in sshd_config) }}
{%- endmacro -%}
{#- macros for render option uncommented by default -#}
{%- macro option_default_uncommented(keyword, default, present) -%}
{{ option_impl(keyword, default, True) }}
{%- endmacro -%}
# This file is managed by salt. Manual changes risk being overwritten.
# The contents of the original sshd_config are kept on the bottom for
# quick reference.
# See the sshd_config(5) manpage for details
# What ports, IPs and protocols we listen for
Port {{ salt['pillar.get']('sshd_config:Port','22') }}
{{ option('Port', 22) }}
# Use these options to restrict which interfaces/protocols sshd will bind to
#ListenAddress ::
ListenAddress {{ salt['pillar.get']('sshd_config:ListenAddress','0.0.0.0') }}
Protocol {{ salt['pillar.get']('sshd_config:Protocol','2') }}
{{ option('ListenAddress', ['::', '0.0.0.0']) -}}
{{ option_default_uncommented('Protocol', 2) }}
# HostKeys for protocol version 2
{% for host_key in salt['pillar.get']('sshd_config:',['/etc/ssh/ssh_host_rsa_key','/etc/ssh/ssh_host_dsa_key','/etc/ssh/ssh_host_ecdsa_key']) %}
HostKey {{ host_key }}
{% endfor %}
{{ option_default_uncommented('HostKey', ['/etc/ssh/ssh_host_rsa_key', '/etc/ssh/ssh_host_dsa_key', '/etc/ssh/ssh_host_ecdsa_key']) -}}
#Privilege Separation is turned on for security
UsePrivilegeSeparation {{ salt['pillar.get']('sshd_config:UsePrivilegeSeparation','yes') }}
{{ option_default_uncommented('UsePrivilegeSeparation', 'yes') }}
# Lifetime and size of ephemeral version 1 server key
KeyRegenerationInterval {{ salt['pillar.get']('sshd_config:KeyRegenerationInterval','3600') }}
ServerKeyBits {{ salt['pillar.get']('sshd_config:ServerKeyBits','768') }}
{{ option_default_uncommented('KeyRegenerationInterval', 3600) }}
{{ option_default_uncommented('ServerKeyBits', 768) }}
# Logging
SyslogFacility {{ salt['pillar.get']('sshd_config:SyslogFacility','AUTH') }}
LogLevel {{ salt['pillar.get']('sshd_config:LogLevel','INFO') }}
{{ option_default_uncommented('SyslogFacility', 'AUTH') }}
{{ option_default_uncommented('LogLevel', 'INFO') }}
# Authentication:
LoginGraceTime {{ salt['pillar.get']('sshd_config:LoginGracetime','120') }}
PermitRootLogin {{ salt['pillar.get']('sshd_config:PermitRootLogin','no') }}
StrictModes {{ salt['pillar.get']('sshd_config:StrictModes','yes') }}
{{ option_default_uncommented('LoginGraceTime', 120) }}
{{ option_default_uncommented('PermitRootLogin', 'no') }}
{{ option_default_uncommented('StrictModes', 'yes') }}
RSAAuthentication {{ salt['pillar.get']('sshd_config:RSAAuthentication','yes') }}
PubkeyAuthentication {{ salt['pillar.get']('sshd_config:PubkeyAuthentication','yes') }}
AuthorizedKeysFile {{ salt['pillar.get']('sshd_config:AuthorizedKeysFile','%h/.ssh/authorized_keys') }}
{{ option('DSAAuthentication', 'yes') }}
{{ option_default_uncommented('RSAAuthentication', 'yes') }}
{{ option_default_uncommented('PubkeyAuthentication', 'yes') }}
{{ option('AuthorizedKeysFile', '%h/.ssh/authorized_keys') }}
# Don't read the user's ~/.rhosts and ~/.shosts files
IgnoreRhosts {{ salt['pillar.get']('sshd_config:IgnoreRhosts','yes') }}
{{ option_default_uncommented('IgnoreRhosts', 'yes') }}
# For this to work you will also need host keys in /etc/ssh_known_hosts
RhostsRSAAuthentication {{ salt['pillar.get']('sshd_config:RhostsRSAAuthentication','no') }}
{{ option_default_uncommented('RhostsRSAAuthentication', 'no') }}
# similar for protocol version 2
HostbasedAuthentication {{ salt['pillar.get']('sshd_config:HostbasedAuthentication','no') }}
{{ option_default_uncommented('HostbasedAuthentication', 'no') }}
# Uncomment if you don't trust ~/.ssh/known_hosts for RhostsRSAAuthentication
IgnoreUserKnownHosts {{ salt['pillar.get']('sshd_config:IgnoreUserKnownHosts','yes') }}
{{ option('IgnoreUserKnownHosts', 'yes') }}
# To enable empty passwords, change to yes (NOT RECOMMENDED)
PermitEmptyPasswords {{ salt['pillar.get']('sshd_config:PermitEmptyPasswords','no') }}
{{ option_default_uncommented('PermitEmptyPasswords', 'no') }}
# Change to yes to enable challenge-response passwords (beware issues with
# some PAM modules and threads)
ChallengeResponseAuthentication {{ salt['pillar.get']('sshd_config:ChallengeResponseAuthentication','no') }}
{{ option_default_uncommented('ChallengeResponseAuthentication', 'no') }}
# Change to no to disable tunnelled clear text passwords
PasswordAuthentication {{ salt['pillar.get']('sshd_config:PasswordAuthentication','yes') }}
{{ option('PasswordAuthentication', 'yes') }}
# Kerberos options
KerberosAuthentication {{ salt['pillar.get']('sshd_config:KerberosAuthentication','no') }}
KerberosGetAFSToken {{ salt['pillar.get']('sshd_config:KerberosGetAFSToken','no') }}
KerberosOrLocalPasswd {{ salt['pillar.get']('sshd_config:KerberosOrLocalPasswd','yes') }}
KerberosTicketCleanup {{ salt['pillar.get']('sshd_config:KerberosTicketCleanup','yes') }}
{{ option('KerberosAuthentication', 'no') }}
{{ option('KerberosGetAFSToken', 'no') }}
{{ option('KerberosOrLocalPasswd', 'yes') }}
{{ option('KerberosTicketCleanup', 'yes') }}
# GSSAPI options
GSSAPIAuthentication {{ salt['pillar.get']('sshd_config:GSSAPIAuthentication','no') }}
GSSAPICleanupCredentials {{ salt['pillar.get']('sshd_config:GSSAPICleanupCredentials','yes') }}
{{ option('GSSAPIAuthentication', 'no') }}
{{ option('GSSAPICleanupCredentials', 'yes') }}
X11Forwarding {{ salt['pillar.get']('sshd_config:X11Forwarding','yes') }}
X11DisplayOffset {{ salt['pillar.get']('sshd_config:X11DisplayOffset','10') }}
PrintMotd {{ salt['pillar.get']('sshd_config:PrintMotd','no') }}
PrintLastLog {{ salt['pillar.get']('sshd_config:PrintLastLog','yes') }}
TCPKeepAlive {{ salt['pillar.get']('sshd_config:TCPKeepAlive','yes') }}
UseLogin {{ salt['pillar.get']('sshd_config:UseLogin','no') }}
{{ option_default_uncommented('X11Forwarding', 'yes') }}
{{ option('AllowTcpForwarding', 'yes') }}
{{ option_default_uncommented('X11DisplayOffset', '10') }}
{{ option_default_uncommented('PrintMotd', 'no') }}
{{ option_default_uncommented('PrintLastLog', 'yes') }}
{{ option_default_uncommented('TCPKeepAlive', 'yes') }}
{{ option('UseLogin', 'no') }}
MaxStartups {{ salt['pillar.get']('sshd_config:MaxStartups','10:30:60') }}
Banner {{ salt['pillar.get']('sshd_config:Banner','/etc/issue.net') }}
{{ option('MaxStartups', '10:30:60') }}
{{ option('Banner', '/etc/issue.net') }}
# Allow client to pass locale environment variables
AcceptEnv {{ salt['pillar.get']('sshd_config:AcceptEnv','LANG LC_*') }}
{{ option_default_uncommented('AcceptEnv', 'LANG LC_*') }}
Subsystem {{ salt['pillar.get']('sshd_config:Subsystem','sftp /usr/lib/openssh/sftp-server') }}
{{ option_default_uncommented('Subsystem', 'sftp /usr/lib/openssh/sftp-server') }}
# Set this to 'yes' to enable PAM authentication, account processing,
# and session processing. If this is enabled, PAM authentication will
@ -88,4 +123,21 @@ Subsystem {{ salt['pillar.get']('sshd_config:Subsystem','sftp /usr/lib/openssh/s
# If you just want the PAM account and session checks to run without
# PAM authentication, then enable this but set PasswordAuthentication
# and ChallengeResponseAuthentication to 'no'.
UsePAM {{ salt['pillar.get']('sshd_config:UsePAM','yes') }}
{{ option_default_uncommented('UsePAM', 'yes') }}
{# Handling unknown in salt template options #}
{%- for keyword, argument in sshd_config.iteritems() %}
{%- if not keyword in processed_options -%}
{%- if argument is sameas true %}
{{ keyword }} yes
{%- elif argument is sameas false %}
{{ keyword }} no
{%- elif argument is string or argument is number %}
{{ keyword }} {{ argument }}
{%- else %}
{%- for item in argument %}
{{ keyword }} {{ item }}
{%- endfor %}
{%- endif %}
{%- endif -%}
{%- endfor %}