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#!/usr/bin/env ruby
# Usage: ssh-list-authorized-keys [username]
# Copyright 2014, 2016 Luke Shumaker <lukeshu@sbcglobal.net>
# Copyright 2019 bill-auger <bill-auger@programmer.net>
#
# This is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License as
# published by the Free Software Foundation; either version 2 of
# the License, or (at your option) any later version.
#
# This software is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public
# License along with this manual; if not, see
# <http://www.gnu.org/licenses/>.
load "#{File.dirname(__FILE__)}/common.rb"
all_users = load_all_users.values
shared_logins = cfg['ssh_pseudo_users']
query_logins = ARGV & (all_users .map { | user | user['username'] })
query_groups = ARGV & (shared_logins.reject { | login | query_logins.include? login })
authorized_keys = '' # Buffer the output to avoid EPIPE when the reader hangs up early
ssh_users = all_users.select do | user |
user_login = user['username']
user_groups = user['groups' ]
user_keys = user['ssh_keys']
has_shell_access = query_logins.include? user_login
has_push_access = ! (query_groups & user_groups).empty?
has_ssh_key = ! user_keys.nil?
(has_shell_access || has_push_access) && has_ssh_key
end
ssh_users.each do | user |
user['ssh_keys'].each_pair do | email , ssh_key |
authorized_keys += "#{ssh_key} #{user['fullname']} (#{user['username']}) <#{email}>\n"
end
end
print authorized_keys
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