mirror of
https://github.com/nextcloud/nextcloudpi.git
synced 2026-01-09 14:42:01 -03:30
98 lines
2.7 KiB
Bash
98 lines
2.7 KiB
Bash
#!/bin/bash
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# Activate/deactivate SSH
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#
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#
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# Copyleft 2017 by Courtney Hicks and Ignacio Nunez Hernanz
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# GPL licensed (see end of file) * Use at your own risk!
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#
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install() { :; }
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is_active()
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{
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systemctl -q is-enabled ssh &>/dev/null
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}
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configure()
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{
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[[ $ACTIVE != "yes" ]] && {
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systemctl stop ssh
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systemctl disable ssh
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echo "SSH disabled"
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return 0
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}
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# Check for bad ideas
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[[ "$USER" == "pi" ]] && [[ "$PASS" == "raspberry" ]] && {
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echo "Refusing to use the default Raspbian user and password. It's insecure"
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return 1
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}
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[[ "$USER" == "root" ]] && [[ "$PASS" == "1234" ]] && {
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echo "Refusing to use the default Armbian user and password. It's insecure"
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return 1
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}
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# Change credentials
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id "$USER" &>/dev/null || { echo "$USER doesn't exist"; return 1; }
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echo -e "$PASS\n$CONFIRM" | passwd "$USER" || return 1
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# Check for insecure default pi password ( taken from old jessie method )
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local SHADOW="$( grep -E '^pi:' /etc/shadow )"
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test -n "${SHADOW}" && {
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local SALT=$(echo "${SHADOW}" | sed -n 's/pi:\$6\$//;s/\$.*//p')
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[[ "${SALT}" != "" ]] && {
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local HASH=$(mkpasswd -msha-512 raspberry "$SALT")
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grep -q "${HASH}" <<< "${SHADOW}" && {
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systemctl stop ssh
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systemctl disable ssh
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echo "The user pi is using the default password. Refusing to activate SSH"
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echo "SSH disabled"
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return 1
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}
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}
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}
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# Check for insecure default root password ( taken from old jessie method )
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local SHADOW="$( grep -E '^root:' /etc/shadow )"
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test -n "${SHADOW}" && {
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local SALT=$(echo "${SHADOW}" | sed -n 's/root:\$6\$//;s/\$.*//p')
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[[ "${SALT}" != "" ]] && {
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local HASH=$(mkpasswd -msha-512 1234 "$SALT")
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grep -q "${HASH}" <<< "${SHADOW}" && {
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systemctl stop ssh
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systemctl disable ssh
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echo "The user root is using the default password. Refusing to activate SSH"
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echo "SSH disabled"
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return 1
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}
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}
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}
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# Enable
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chage -d 0 "$USER"
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systemctl enable ssh
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systemctl start ssh
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echo "SSH enabled"
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}
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# License
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#
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# This script is free software; you can redistribute it and/or modify it
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# under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This script 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 script; if not, write to the
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# Free Software Foundation, Inc., 59 Temple Place, Suite 330,
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# Boston, MA 02111-1307 USA
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