nextcloudpi/ncp.sh
Tobias Knöppler 0e40867347
nc-encrypt.sh: Fix detection of running encryption
Signed-off-by: Tobias Knöppler <6317548+theCalcaholic@users.noreply.github.com>
2024-09-07 02:51:44 +02:00

324 lines
9.0 KiB
Bash

#!/bin/bash
# NextcloudPi additions to Raspbian
#
# Copyleft 2017 by Ignacio Nunez Hernanz <nacho _a_t_ ownyourbits _d_o_t_ com>
# GPL licensed (see end of file) * Use at your own risk!
#
# More at https://nextcloudpi.com
#
WEBADMIN=ncp
WEBPASSWD=ownyourbits
BRANCH="${BRANCH:-master}"
BINDIR=/usr/local/bin/ncp
CONFDIR=/usr/local/etc/ncp-config.d/
APTINSTALL="apt-get install -y --no-install-recommends"
export DEBIAN_FRONTEND=noninteractive
install()
{
# NCP-CONFIG
apt-get update
$APTINSTALL git dialog whiptail jq file lsb-release tmux logrotate
mkdir -p "$CONFDIR" "$BINDIR"
# This has changed, pi user no longer exists by default, the user needs to create it with Raspberry Pi imager
# The raspi-config layout and options have also changed
# https://github.com/RPi-Distro/raspi-config/blob/master/raspi-config
test -f /usr/bin/raspi-config && {
# shellcheck disable=SC1003
sed -i '/S3 Password/i "S0 NextcloudPi Configuration" "Configuration of NextcloudPi" \\' /usr/bin/raspi-config
sed -i '/S3\\ \*) do_change_pass ;;/i S0\\ *) ncp-config ;;' /usr/bin/raspi-config
}
# add the ncc shortcut
cat > /usr/local/bin/ncc <<'EOF'
#!/bin/bash
[[ ${EUID} -eq 0 ]] && SUDO="sudo -E -u www-data"
${SUDO} php /var/www/nextcloud/occ "$@"
EOF
chmod +x /usr/local/bin/ncc
# NCP-WEB
## VIRTUAL HOST
cat > /etc/apache2/sites-available/ncp-activation.conf <<EOF
<VirtualHost _default_:443>
DocumentRoot /var/www/ncp-web/
SSLEngine on
SSLCertificateFile /etc/ssl/certs/ssl-cert-snakeoil.pem
SSLCertificateKeyFile /etc/ssl/private/ssl-cert-snakeoil.key
</VirtualHost>
<Directory /var/www/ncp-web/>
<RequireAll>
<RequireAny>
Require host localhost
Require local
Require ip 192.168
Require ip 172
Require ip 10
Require ip fe80::/10
Require ip fd00::/8
</RequireAny>
</RequireAll>
</Directory>
EOF
install_template apache2/ncp.conf.sh /etc/apache2/sites-available/ncp.conf --defaults
$APTINSTALL libapache2-mod-authnz-external pwauth
a2enmod authnz_external authn_core auth_basic
a2dissite 001-nextcloud
a2ensite ncp-activation
## NCP USER FOR AUTHENTICATION
id -u "$WEBADMIN" &>/dev/null || useradd --home-dir /nonexistent "$WEBADMIN"
echo -e "$WEBPASSWD\n$WEBPASSWD" | passwd "$WEBADMIN"
is_docker || is_lxc || {
chsh -s /usr/sbin/nologin "$WEBADMIN"
passwd -l root
}
## NCP LAUNCHER
mkdir -p /home/www
chown www-data:www-data /home/www
chmod 700 /home/www
cat > /home/www/ncp-launcher.sh <<'EOF'
#!/bin/bash
grep -q '[\\&#;`|*?~<>^()[{}$&[:space:]]' <<< "$*" && exit 1
source /usr/local/etc/library.sh
run_app $1
EOF
chmod 700 /home/www/ncp-launcher.sh
cat > /home/www/ncp-backup-launcher.sh <<'EOF'
#!/bin/bash
action="${1}"
file="${2}"
compressed="${3}"
grep -q '[\\&#;`|*?~<>^()[{}$&]' <<< "$*" && exit 1
[[ "$file" =~ ".." ]] && exit 1
[[ "${action}" == "chksnp" ]] && {
btrfs subvolume show "$file" &>/dev/null || exit 1
exit
}
[[ "${action}" == "delsnp" ]] && {
btrfs subvolume delete "$file" || exit 1
exit
}
[[ -f "$file" ]] || exit 1
[[ "$file" =~ ".tar" ]] || exit 1
[[ "${action}" == "del" ]] && {
[[ "$(file "$file")" =~ "tar archive" ]] || [[ "$(file "$file")" =~ "gzip compressed data" ]] || exit 1
rm "$file" || exit 1
exit
}
[[ "$compressed" != "" ]] && pigz="-I pigz"
tar $pigz -tf "$file" data &>/dev/null
EOF
chmod 700 /home/www/ncp-backup-launcher.sh
cat > /home/www/ncp-app-bridge.sh <<'EOF'
#!/bin/bash
set -e
grep -q '[\\&#;`|*?~<>^()[{}$&]' <<< "$*" && exit 1
action="${1?}"
[[ "$action" == "config" ]] && {
config_type="${2?}"
arg="${3}"
[[ -z "$arg" ]] || {
key="${arg%=*}"
val="${arg#*=}"
}
if [[ "$config_type" == "ncp" ]]
then
config_path="/usr/local/etc/ncp.cfg"
elif [[ "$config_type" == "ncp-community" ]]
then
. /usr/local/etc/library.sh
[[ -z "${key}" ]] || {
set_app_param ncp-community.sh "${key}" "${val}"
}
get_app_params ncp-community.sh
exit $?
else
echo "ERROR: Invalid config name '${config_type}'" >&2
exit 1
fi
[[ -z "${key}" ]] || {
cfg="$(jq ".${key} = \"${val}\"" <"$config_path")"
echo "$cfg" > "$config_path"
}
cat "$config_path"
exit 0
}
[[ "$action" == "file" ]] && {
file="${2?}"
if [[ "$file" == "ncp-version" ]]
then
cat /usr/local/etc/ncp-version
else
echo "ERROR: Invalid file '${file}'" >&2
exit 1
fi
exit 0
}
EOF
chmod 700 /home/www/ncp-app-bridge.sh
echo "www-data ALL = NOPASSWD: /home/www/ncp-launcher.sh , /home/www/ncp-backup-launcher.sh, /home/www/ncp-app-bridge.sh, /sbin/halt, /sbin/reboot" >> /etc/sudoers
# NCP AUTO TRUSTED DOMAIN
mkdir -p /usr/lib/systemd/system
cat > /usr/lib/systemd/system/nextcloud-domain.service <<'EOF'
[Unit]
Description=Register Current IP as Nextcloud trusted domain
Requires=network.target
After=mysql.service redis.service
[Service]
ExecStart=/bin/bash /usr/local/bin/nextcloud-domain.sh
Restart=on-failure
RestartSec=5s
[Install]
WantedBy=multi-user.target
EOF
[[ "$DOCKERBUILD" != 1 ]] && systemctl enable nextcloud-domain
# NEXTCLOUDPI UPDATES
cat > /etc/cron.daily/ncp-check-version <<EOF
#!/bin/sh
/usr/local/bin/ncp-check-version
EOF
chmod a+x /etc/cron.daily/ncp-check-version
touch /var/run/.ncp-latest-version
chown root:www-data /var/run/.ncp-latest-version
chmod g+w /var/run/.ncp-latest-version
# Install all ncp-apps
ALLOW_UPDATE_SCRIPT=1 bin/ncp-update "$BRANCH" || exit $?
# LIMIT LOG SIZE
grep -q maxsize /etc/logrotate.d/apache2 || sed -i /weekly/amaxsize2M /etc/logrotate.d/apache2
cat > /etc/logrotate.d/ncp <<'EOF'
/var/log/ncp.log
{
rotate 4
size 500K
missingok
notifempty
compress
}
EOF
chmod 0444 /etc/logrotate.d/ncp
# ONLY FOR IMAGE BUILDS
if [[ -f /.ncp-image ]]; then
rm -rf /var/log/ncp.log
## NEXTCLOUDPI MOTD
rm -rf /etc/update-motd.d
mkdir /etc/update-motd.d
rm /etc/motd
ln -s /var/run/motd /etc/motd
cat > /etc/update-motd.d/10logo <<EOF
#!/bin/sh
echo
cat /usr/local/etc/ncp-ascii.txt
EOF
cat > /etc/update-motd.d/20updates <<'EOF'
#!/bin/bash
/usr/local/bin/ncp-check-updates
EOF
echo '
NCP is not activated yet. Please enter https://nextcloudpi.local or this instance'"'"'s local IP address in your webbrowser to complete activation. You can find detailed instructions at https://nextcloudpi.com/activate
' >> /etc/issue
chmod a+x /etc/update-motd.d/*
## HOSTNAME AND mDNS
[[ -f /.docker-image ]] || {
$APTINSTALL avahi-daemon
sed -i '/^127.0.1.1/d' /etc/hosts
sed -i "\$a127.0.1.1 nextcloudpi $(hostname)" /etc/hosts
}
echo nextcloudpi > /etc/hostname
## tag image
is_docker && local DOCKER_TAG="_docker"
is_lxc && local DOCKER_TAG="_lxc"
echo "NextcloudPi${DOCKER_TAG}_$( date "+%m-%d-%y" )" > /usr/local/etc/ncp-baseimage
## SSH hardening
if [[ -f /etc/ssh/sshd_config ]]; then
sed -i 's|^#AllowTcpForwarding .*|AllowTcpForwarding no|' /etc/ssh/sshd_config
sed -i 's|^#ClientAliveCountMax .*|ClientAliveCountMax 2|' /etc/ssh/sshd_config
sed -i 's|^MaxAuthTries .*|MaxAuthTries 1|' /etc/ssh/sshd_config
sed -i 's|^#MaxSessions .*|MaxSessions 2|' /etc/ssh/sshd_config
sed -i 's|^#TCPKeepAlive .*|TCPKeepAlive no|' /etc/ssh/sshd_config
sed -i 's|^X11Forwarding .*|X11Forwarding no|' /etc/ssh/sshd_config
sed -i 's|^#LogLevel .*|LogLevel VERBOSE|' /etc/ssh/sshd_config
sed -i 's|^#Compression .*|Compression no|' /etc/ssh/sshd_config
sed -i 's|^#AllowAgentForwarding .*|AllowAgentForwarding no|' /etc/ssh/sshd_config
fi
## kernel hardening
cat >> /etc/sysctl.conf <<EOF
fs.protected_hardlinks=1
fs.protected_symlinks=1
kernel.core_uses_pid=1
kernel.dmesg_restrict=1
kernel.kptr_restrict=2
kernel.sysrq=0
net.ipv4.conf.all.accept_redirects=0
net.ipv4.conf.all.log_martians=1
net.ipv4.conf.all.rp_filter=1
net.ipv4.conf.all.send_redirects=0
net.ipv4.conf.default.accept_redirects=0
net.ipv4.conf.default.accept_source_route=0
net.ipv4.conf.default.log_martians=1
net.ipv4.tcp_timestamps=0
net.ipv6.conf.all.accept_redirects=0
net.ipv6.conf.default.accept_redirects=0
EOF
## other tweaks
sed -i "s|^UMASK.*|UMASK 027|" /etc/login.defs
fi
}
configure() { :; }
# License
#
# This script 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 script 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 script; if not, write to the
# Free Software Foundation, Inc., 59 Temple Place, Suite 330,
# Boston, MA 02111-1307 USA