Interactive security settings modification
This commit is contained in:
Bob Mottram
parent
689cea07f2
commit
22e24ed7c7
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@ -39,9 +39,10 @@ SSH_HOST_KEY_ALGORITHMS=
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XMPP_CIPHERS=
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XMPP_ECC_CURVE=
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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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SSH_CONFIG='/etc/ssh/sshd_config'
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XMPP_CONFIG='/etc/prosody/conf.avail/xmpp.cfg.lua'
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MINIMUM_LENGTH=6
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@ -84,17 +85,42 @@ function get_imap_settings {
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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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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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if [ ${#SSL_CIPHERS} -gt $MINIMUM_LENGTH ]; then
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return
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fi
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SSL_CIPHERS=$(cat $DOVECOT_CIPHERS | grep 'ssl_cipher_list' | awk -F '=' '{print $2}' | awk -F "'" '{print $2}')
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}
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function get_xmpp_settings {
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if [ ! -f $XMPP_CONFIG ]; then
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return
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fi
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XMPP_CIPHERS=$(cat $XMPP_CONFIG | grep 'ciphers ' | awk -F '=' '{print $2}' | awk -F '"' '{print $2}')
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XMPP_ECC_CURVE=$(cat $XMPP_CONFIG | grep 'curve ' | awk -F '=' '{print $2}' | awk -F '"' '{print $2}')
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}
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function get_ssh_settings {
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if [ -f $SSH_CONFIG ]; then
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SSH_CIPHERS=$(cat $SSH_CONFIG | grep 'Ciphers ' | awk -F 'Ciphers ' '{print $2}')
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SSH_MACS=$(cat $SSH_CONFIG | grep 'MACs ' | awk -F 'MACs ' '{print $2}')
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SSH_KEX=$(cat $SSH_CONFIG | grep 'KexAlgorithms ' | awk -F 'KexAlgorithms ' '{print $2}')
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fi
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if [ -f /etc/ssh/ssh_config ]; then
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SSH_HOST_KEY_ALGORITHMS=$(cat /etc/ssh/ssh_config | grep 'HostKeyAlgorithms ' | awk -F 'HostKeyAlgorithms ' '{print $2}')
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if [ ! $SSH_CIPHERS ]; then
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SSH_CIPHERS=$(cat /etc/ssh/ssh_config | grep 'Ciphers ' | awk -F 'Ciphers ' '{print $2}')
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fi
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if [ ! $SSH_MACS ]; then
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SSH_MACS=$(cat /etc/ssh/ssh_config | grep 'MACs ' | awk -F 'MACs ' '{print $2}')
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fi
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fi
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}
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function change_website_settings {
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if [ ! $SSL_PROTOCOLS ]; then
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if [ ! "$SSL_PROTOCOLS" ]; then
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return
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fi
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if [ ! $SSL_CIPHERS ]; then
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@ -116,6 +142,7 @@ function change_website_settings {
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sed -i "s|ssl_ciphers .*|ssl_ciphers '$SSL_CIPHERS';|g" $WEBSITES_DIRECTORY/$file
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done
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service nginx restart
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echo 'Web security settings changed'
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}
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function change_imap_settings {
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@ -130,6 +157,122 @@ function change_imap_settings {
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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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echo 'imap security settings changed'
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}
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function change_ssh_settings {
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if [ -f /etc/ssh/ssh_config ]; then
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if [ $SSH_HOST_KEY_ALGORITHMS ]; then
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sed -i "s|HostKeyAlgorithms .*|HostKeyAlgorithms $SSH_HOST_KEY_ALGORITHMS|g" /etc/ssh/ssh_config
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echo 'ssh client security settings changed'
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fi
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fi
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if [ -f $SSH_CONFIG ]; then
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if [ ! $SSH_CIPHERS ]; then
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return
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fi
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if [ ! $SSH_MACS ]; then
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return
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fi
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if [ ! $SSH_KEX ]; then
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return
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fi
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sed -i "s|Ciphers .*|Ciphers $SSH_CIPHERS|g" $SSH_CONFIG
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sed -i "s|MACs .*|MACs $SSH_MACS|g" $SSH_CONFIG
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sed -i "s|KexAlgorithms .*|KexAlgorithms $SSH_KEX|g" $SSH_CONFIG
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service ssh restart
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echo 'ssh server security settings changed'
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fi
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}
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function change_xmpp_settings {
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if [ ! -f $XMPP_CONFIG ]; then
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return
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fi
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if [ ! $XMPP_CIPHERS ]; then
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return
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fi
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if [ ! $XMPP_ECC_CURVE ]; then
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return
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fi
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sed -i "s|ciphers =.*|ciphers = \"$XMPP_CIPHERS\";|g" $XMPP_CONFIG
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sed -i "s|curve =.*|curve = \"$XMPP_ECC_CURVE\";|g" $XMPP_CONFIG
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service prosody restart
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echo 'xmpp security settings changed'
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}
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function interactive_setup {
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if [ $SSL_CIPHERS ]; then
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data=$(tempfile 2>/dev/null)
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trap "rm -f $data" 0 1 2 5 15
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dialog --backtitle "Freedombone Security Configuration" \
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--form "\nWeb/IMAP Ciphers:" 10 95 2 \
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"Protocols:" 1 1 "$SSL_PROTOCOLS" 1 15 90 90 \
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"Ciphers:" 2 1 "$SSL_CIPHERS" 2 15 90 512 \
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2> $data
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sel=$?
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case $sel in
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1) SSL_PROTOCOLS=$(cat $data | sed -n 1p)
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SSL_CIPHERS=$(cat $data | sed -n 2p)
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;;
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255) exit 0;;
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esac
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fi
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data=$(tempfile 2>/dev/null)
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trap "rm -f $data" 0 1 2 5 15
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if [ $SSH_HOST_KEY_ALGORITHMS ]; then
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dialog --backtitle "Freedombone Security Configuration" \
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--form "\nSecure Shell Ciphers:" 13 95 4 \
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"Ciphers:" 1 1 "$SSH_CIPHERS" 1 15 90 512 \
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"MACs:" 2 1 "$SSH_MACS" 2 15 90 512 \
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"KEX:" 3 1 "$SSH_KEX" 3 15 90 512 \
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"Host key algorithms:" 4 1 "$SSH_HOST_KEY_ALGORITHMS" 4 15 90 512 \
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2> $data
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sel=$?
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case $sel in
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1) SSH_CIPHERS=$(cat $data | sed -n 1p)
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SSH_MACS=$(cat $data | sed -n 2p)
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SSH_KEX=$(cat $data | sed -n 3p)
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SSH_HOST_KEY_ALGORITHMS=$(cat $data | sed -n 4p)
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;;
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255) exit 0;;
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esac
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else
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dialog --backtitle "Freedombone Security Configuration" \
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--form "\nSecure Shell Ciphers:" 11 95 3 \
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"Ciphers:" 1 1 "$SSH_CIPHERS" 1 15 90 512 \
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"MACs:" 2 1 "$SSH_MACS" 2 15 90 512 \
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"KEX:" 3 1 "$SSH_KEX" 3 15 90 512 \
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2> $data
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sel=$?
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case $sel in
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1) SSH_CIPHERS=$(cat $data | sed -n 1p)
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SSH_MACS=$(cat $data | sed -n 2p)
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SSH_KEX=$(cat $data | sed -n 3p)
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;;
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255) exit 0;;
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esac
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fi
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if [ $XMPP_CIPHERS ]; then
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data=$(tempfile 2>/dev/null)
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trap "rm -f $data" 0 1 2 5 15
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dialog --backtitle "Freedombone Security Configuration" \
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--form "\nXMPP Ciphers:" 10 95 2 \
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"Ciphers:" 1 1 "$XMPP_CIPHERS" 1 15 90 512 \
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"ECC Curve:" 2 1 "$XMPP_ECC_CURVE" 2 15 50 50 \
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2> $data
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sel=$?
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case $sel in
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1) XMPP_CIPHERS=$(cat $data | sed -n 1p)
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XMPP_ECC_CURVE=$(cat $data | sed -n 2p)
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;;
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255) exit 0;;
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esac
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fi
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clear
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}
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while [[ $# > 1 ]]
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@ -153,6 +296,12 @@ shift
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done
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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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get_imap_settings
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get_ssh_settings
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get_xmpp_settings
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interactive_setup
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change_website_settings
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change_imap_settings
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change_ssh_settings
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change_xmpp_settings
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exit 0
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