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+#!/bin/bash
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+#
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+# .---. . .
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+# | | |
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+# |--- .--. .-. .-. .-.| .-. .--.--. |.-. .-. .--. .-.
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+# | | (.-' (.-' ( | ( )| | | | )( )| | (.-'
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+# ' ' --' --' -' - -' ' ' -' -' -' ' - --'
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+#
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+# Freedom in the Cloud
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+#
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+# Alters the security settings
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+#
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+# License
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+# =======
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+#
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+# Copyright (C) 2015 Bob Mottram <bob@robotics.uk.to>
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+#
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+# This program is free software: you can redistribute it and/or modify
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+# it under the terms of the GNU General Public License as published by
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+# the Free Software Foundation, either version 3 of the License, or
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+# (at your option) any later version.
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+#
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+# This program is distributed in the hope that it will be useful,
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+# but WITHOUT ANY WARRANTY; without even the implied warranty of
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+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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+# GNU General Public License for more details.
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+#
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+# You should have received a copy of the GNU General Public License
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+# along with this program. If not, see <http://www.gnu.org/licenses/>.
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+
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+NO_OF_ARGS=$#
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+
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+SSL_PROTOCOLS=
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+SSL_CIPHERS=
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+SSH_CIPHERS=
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+SSH_MACS=
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+SSH_KEX=
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+SSH_HOST_KEY_ALGORITHMS=
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+XMPP_CIPHERS=
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+XMPP_ECC_CURVE=
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+
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+WIKI_DOMAIN_NAME=
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+WEBSITES_DIRECTORY='/etc/nginx/sites-available'
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+DOVECOT_CIPHERS='/etc/dovecot/conf.d/10-ssl.conf'
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+
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+MINIMUM_LENGTH=6
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+
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+function get_protocols_from_website {
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+ if [ ! -f $WEBSITES_DIRECTORY/$1 ]; then
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+ return
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+ fi
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+ SSL_PROTOCOLS=$(cat $WEBSITES_DIRECTORY/$1 | grep 'ssl_protocols' | awk -F "ssl_protocols" '{print $2}' | awk -F ';' '{print $1}')
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+}
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+
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+function get_ciphers_from_website {
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+ if [ ! -f $WEBSITES_DIRECTORY/$1 ]; then
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+ return
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+ fi
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+ SSL_CIPHERS=$(cat $WEBSITES_DIRECTORY/$1 | grep 'ssl_ciphers' | awk -F "ssl_ciphers" '{print $2}' | awk -F "'" '{print $2}')
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+}
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+
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+function get_website_settings {
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+ if [ ! -d $WEBSITES_DIRECTORY ]; then
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+ return
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+ fi
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+
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+ cd $WEBSITES_DIRECTORY
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+ for file in `dir -d *` ; do
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+ get_protocols_from_website $file
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+ if [ ${#SSL_PROTOCOLS} -gt $MINIMUM_LENGTH ]; then
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+ get_ciphers_from_website $file
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+ if [ ${#SSL_CIPHERS} -gt $MINIMUM_LENGTH ]; then
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+ break
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+ else
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+ SSL_PROTOCOLS=""
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+ fi
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+ fi
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+ done
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+}
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+
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+function get_imap_settings {
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+ if [ ! -f $DOVECOT_CIPHERS ]; then
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+ return
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+ fi
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+ # clear commented out cipher list
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+ sed -i "s|#ssl_cipher_list.*||g" $DOVECOT_CIPHERS
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+ if [ ! $SSL_CIPHERS ]; then
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+ return
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+ fi
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+ if [ ${#SSL_CIPHERS} -lt $MINIMUM_LENGTH ]; then
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+ return
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+ fi
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+ SSL_CIPHERS=$(cat $DOVECOT_CIPHERS | grep 'ssl_cipher_list' | awk -F '=' '{print $2}' | awk -F "'" '{print $2}')
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+}
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+
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+function change_website_settings {
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+ if [ ! $SSL_PROTOCOLS ]; then
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+ return
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+ fi
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+ if [ ! $SSL_CIPHERS ]; then
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+ return
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+ fi
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+ if [ ${#SSL_PROTOCOLS} -lt $MINIMUM_LENGTH ]; then
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+ return
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+ fi
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+ if [ ${#SSL_CIPHERS} -lt $MINIMUM_LENGTH ]; then
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+ return
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+ fi
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+ if [ ! -d $WEBSITES_DIRECTORY ]; then
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+ return
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+ fi
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+
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+ cd $WEBSITES_DIRECTORY
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+ for file in `dir -d *` ; do
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+ sed -i "s|ssl_protocols .*|ssl_protocols $SSL_PROTOCOLS;|g" $WEBSITES_DIRECTORY/$file
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+ sed -i "s|ssl_ciphers .*|ssl_ciphers '$SSL_CIPHERS';|g" $WEBSITES_DIRECTORY/$file
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+ done
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+ service nginx restart
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+}
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+
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+function change_imap_settings {
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+ if [ ! -f $DOVECOT_CIPHERS ]; then
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+ return
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+ fi
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+ if [ ! $SSL_CIPHERS ]; then
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+ return
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+ fi
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+ if [ ${#SSL_CIPHERS} -lt $MINIMUM_LENGTH ]; then
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+ return
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+ fi
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+ sed -i "s|ssl_cipher_list.*|ssl_cipher_list = '$SSL_CIPHERS'|g" $DOVECOT_CIPHERS
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+ service dovecot restart
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+}
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+
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+while [[ $# > 1 ]]
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+do
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+key="$1"
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+
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+case $key in
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+ -h|--help)
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+ show_help
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+ ;;
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+ # username within /home
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+ -u|--user)
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+ shift
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+ MY_USERNAME="$1"
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+ ;;
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+ *)
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+ # unknown option
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+ ;;
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+esac
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+shift
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+done
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+
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+get_website_settings
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+#change_website_settings
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+#change_imap_settings
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+exit 0
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Bob Mottram
10 年之前