Forked from scoates/salt_roots_sshd-mfa_init.sls
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August 29, 2015 14:17
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include: | |
# for backports | |
- apt | |
openssh6.6: | |
pkg.installed: | |
# backports; this number *will* change | |
- pkgs: | |
- openssh-server: 1:6.6p1-4~bpo70+1 | |
- openssh-client: 1:6.6p1-4~bpo70+1 | |
service.running: | |
- name: ssh | |
- require: | |
- pkg: openssh6.6 | |
- watch: | |
- pkg: openssh6.6 | |
- file: /etc/pam.d/sshd | |
- file: /etc/ssh/sshd_config | |
libqrencode3: | |
pkg.installed | |
libpam-google-authenticator: | |
pkg.installed: | |
# from http://ftp.us.debian.org/debian/pool/main/g/google-authenticator/libpam-google-authenticator_20130529-2_amd64.deb | |
- sources: | |
- libpam-google-authenticator: salt://sshd-mfa/files/libpam-google-authenticator_20130529-2_amd64.deb | |
- require: | |
- pkg: libqrencode3 | |
# see: http://delyan.me/securing-ssh-with-totp/ | |
# nullok means that users without a ~/.google_authenticator will be | |
# allowed in without MFA; it's opt-in | |
# additionally, the user needs to log in to run `google-authenticator` | |
# before they'd have a configured MFA app/token anyway | |
/etc/pam.d/sshd: | |
file.replace: | |
- pattern: '@include common-auth' | |
- repl: | | |
auth [success=done new_authtok_reqd=done default=die] pam_google_authenticator.so nullok | |
@include common-auth | |
- require: | |
- pkg: libpam-google-authenticator | |
/etc/ssh/sshd_config: | |
file.replace: | |
- pattern: 'ChallengeResponseAuthentication no' | |
- repl: | | |
ChallengeResponseAuthentication yes | |
AuthenticationMethods publickey,keyboard-interactive:pam | |
- append_if_not_found: True |
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