Improve security settings command
This commit is contained in:
Bob Mottram
parent
691a815939
commit
a3f2fe4539
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@ -64,8 +64,6 @@ EXPORT_FILE=
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CURRENT_DIR=$(pwd)
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REGENERATE_SSH_HOST_KEYS="no"
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REGENERATE_DH_KEYS="no"
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DH_KEYLENGTH=2048
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LETSENCRYPT_SERVER='https://acme-v01.api.letsencrypt.org/directory'
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@ -85,25 +83,6 @@ function get_ciphers_from_website {
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SSL_CIPHERS=$(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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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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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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function get_imap_settings {
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if [ ! -f $DOVECOT_CIPHERS ]; then
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return
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@ -129,19 +108,10 @@ function get_xmpp_settings {
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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 $2}')
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SSH_PASSWORDS=$(cat $SSH_CONFIG | grep 'PasswordAuthentication ' | awk -F 'PasswordAuthentication ' '{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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@ -353,7 +323,6 @@ function send_monkeysphere_server_keys_to_users {
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}
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function regenerate_ssh_host_keys {
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if [[ $REGENERATE_SSH_HOST_KEYS == "yes" ]]; then
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rm -f /etc/ssh/ssh_host_*
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dpkg-reconfigure openssh-server
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echo $'ssh host keys regenerated'
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@ -371,11 +340,9 @@ function regenerate_ssh_host_keys {
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send_monkeysphere_server_keys_to_users
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echo $'updated monkeysphere ssh host key'
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systemctl restart ssh
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fi
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}
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function regenerate_dh_keys {
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if [[ $REGENERATE_DH_KEYS == "yes" ]]; then
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if [ ! -d /etc/ssl/mycerts ]; then
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echo $'No dhparam certificates were found'
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return
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@ -401,7 +368,6 @@ function regenerate_dh_keys {
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esac
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${PROJECT_NAME}-dhparam --recalc yes -l ${DH_KEYLENGTH}
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fi
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}
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function renew_startssl {
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@ -528,11 +494,6 @@ function create_letsencrypt {
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}
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function update_ciphersuite {
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read_config_param SSL_CIPHERS
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read_config_param SSL_PROTOCOLS
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read_config_param SSH_CIPHERS
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read_config_param SSH_MACS
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RECOMMENDED_SSL_CIPHERS="$SSL_CIPHERS"
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if [ ${#RECOMMENDED_SSL_CIPHERS} -lt 5 ]; then
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return
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@ -714,31 +675,49 @@ function remove_pinning {
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esac
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}
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function housekeeping {
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cmd=(dialog --separate-output \
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--backtitle "Freedombone Security Configuration" \
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--title "Housekeeping options" \
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--checklist "If you don't need to do any of these things then just press Enter:" 15 76 15)
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options=(1 "Regenerate ssh host keys" off
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2 "Regenerate Diffie-Hellman keys" off
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3 "Update cipersuite" off
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4 "Create a new Let's Encrypt certificate" off
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5 "Renew Let's Encrypt certificate" off
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6 "Enable GPG based authentication (monkeysphere)" off
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7 "Register a website with monkeysphere" off
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8 "Go Back/Exit" on)
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choices=$("${cmd[@]}" "${options[@]}" 2>&1 >/dev/tty)
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function menu_security_settings {
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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 Control Panel" \
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--title $"Security Settings" \
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--radiolist $"Choose an operation:" 15 76 15 \
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1 $"Regenerate ssh host keys" off \
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2 $"Regenerate Diffie-Hellman keys" off \
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3 $"Update cipersuite" off \
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4 $"Create a new Let's Encrypt certificate" off \
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5 $"Renew Let's Encrypt certificate" off \
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6 $"Enable GPG based authentication (monkeysphere)" off \
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7 $"Register a website with monkeysphere" off \
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8 $"Go Back/Exit" on 2> $data
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sel=$?
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case $sel in
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1) exit 1;;
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255) exit 1;;
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esac
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clear
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for choice in $choices
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do
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case $choice in
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read_config_param SSL_CIPHERS
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read_config_param SSL_PROTOCOLS
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read_config_param SSH_CIPHERS
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read_config_param SSH_MACS
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read_config_param SSH_KEX
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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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import_settings
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export_settings
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case $(cat $data) in
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1)
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REGENERATE_SSH_HOST_KEYS="yes"
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regenerate_ssh_host_keys
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;;
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2)
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REGENERATE_DH_KEYS="yes"
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regenerate_dh_keys
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;;
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3)
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interactive_setup
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update_ciphersuite
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;;
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4)
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@ -757,7 +736,11 @@ function housekeeping {
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exit 0
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;;
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esac
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done
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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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}
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function import_settings {
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@ -1054,18 +1037,6 @@ do
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shift
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done
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housekeeping
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get_website_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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import_settings
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export_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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regenerate_ssh_host_keys
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regenerate_dh_keys
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menu_security_settings
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exit 0
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