#!/bin/bash
<<ENDOFSIGSTART=
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256

# shellcheck disable=SC2148
ENDOFSIGSTART=

export PATH=/bin:/usr/bin:/usr/local/bin:/sbin:/usr/sbin:/usr/local/sbin

#
# ZeroTier install script
#
# All this script does is determine your OS and/or distribution and then add the correct
# repository or download the correct package and install it. It then starts the service
# and prints your device's ZeroTier address.
#

# Base URL for download.zerotier.com tree; see https://github.com/zerotier/download.zerotier.com if you want to mirror.
# Some things want http, some https, so we must specify both. Must include trailing /
ZT_BASE_URL_HTTPS='https://download.zerotier.com/'
ZT_BASE_URL_HTTP='http://download.zerotier.com/'

##########################################################
# 
#  Maximum Supported Distribution Versions and Codenames
# 
##########################################################

# Debian
MAX_SUPPORTED_DEBIAN_VERSION=13
MAX_SUPPORTED_DEBIAN_VERSION_NAME=trixie


# Ubuntu
MAX_SUPPORTED_UBUNTU_VERSION=24.04
MAX_SUPPORTED_UBUNTU_VERSION_NAME=noble

# We only do builds for Ubuntu LTS releases.  Map non-LTS releases to the nearest previous LTS release.
declare -A UBUNTU_CODENAME_MAP
UBUNTU_CODENAME_MAP["trusty"]="trusty"
UBUNTU_CODENAME_MAP["utopic"]="trusty"
UBUNTU_CODENAME_MAP["vivid"]="trusty"
UBUNTU_CODENAME_MAP["wily"]="trusty"
UBUNTU_CODENAME_MAP["xenial"]="xenial"
UBUNTU_CODENAME_MAP["yakkety"]="xenial"
UBUNTU_CODENAME_MAP["zesty"]="xenial"
UBUNTU_CODENAME_MAP["artful"]="xenial"
UBUNTU_CODENAME_MAP["bionic"]="bionic"
UBUNTU_CODENAME_MAP["cosmic"]="bionic"
UBUNTU_CODENAME_MAP["disco"]="bionic"
UBUNTU_CODENAME_MAP["eoan"]="bionic"
UBUNTU_CODENAME_MAP["focal"]="focal"
UBUNTU_CODENAME_MAP["groovy"]="focal"
UBUNTU_CODENAME_MAP["hirsute"]="focal"
UBUNTU_CODENAME_MAP["impish"]="focal"
UBUNTU_CODENAME_MAP["jammy"]="jammy"
UBUNTU_CODENAME_MAP["kinetic"]="jammy"
UBUNTU_CODENAME_MAP["lunar"]="jammy"
UBUNTU_CODENAME_MAP["mantic"]="jammy"
UBUNTU_CODENAME_MAP["noble"]="noble"


# Mint

MAX_SUPPORTED_MINT_VERSION=22
MAX_SUPPORTED_MINT_VERSION_NAME=xia

# Map Mint codenames to Ubuntu codenames (and sometimes Debian)
declare -A MINT_CODENAME_MAP
MINT_CODENAME_MAP["xia"]="noble"
MINT_CODENAME_MAP["wilma"]="noble"
MINT_CODENAME_MAP["virginia"]="jammy"
MINT_CODENAME_MAP["victoria"]="jammy"
MINT_CODENAME_MAP["vera"]="jammy"
MINT_CODENAME_MAP["vanessa"]="jammy"
MINT_CODENAME_MAP["una"]="focal"
MINT_CODENAME_MAP["uma"]="focal"
MINT_CODENAME_MAP["ulyssa"]="focal"
MINT_CODENAME_MAP["ulyana"]="focal"
MINT_CODENAME_MAP["faye"]="bookworm"

##########################################################
#
# End 
#
##########################################################

echo
echo '*** ZeroTier Service Quick Install for Unix-like Systems'
echo
echo '*** Tested OSes / distributions:'
echo
echo '***   MacOS (10.13+) (just installs ZeroTier One.pkg)'
echo '***   Debian Linux (7+)'
echo '***   RedHat/CentOS Linux (6+)'
echo '***   Fedora Linux (16+)'
echo '***   SuSE Linux (12+)'
echo '***   Mint Linux (20+)'
echo '***   Kali Linux (2024.1+)'
echo
echo '*** Supported architectures vary by OS / distribution. We try to support'
echo '*** every system architecture supported by the target.'
echo
echo '*** Please report problems by opening a GitHub issue or Pull Request at: '
echo '*** https://github.com/zerotier/install.zerotier.com'
echo '*** Please include the content of `/etc/os-release` for your distribution.'
echo

SUDO=
if [ "$UID" != "0" ]; then
	if [ -e /usr/bin/sudo -o -e /bin/sudo ]; then
		SUDO=sudo
	else
		echo '*** This quick installer script requires root privileges.'
		exit 0
	fi
fi

# Detect MacOS and install .pkg file there
if [ -e /usr/bin/uname ]; then
	if [ "`/usr/bin/uname -s`" = "Darwin" ]; then
		echo '*** Detected MacOS / Darwin, downloading and installing Mac .pkg...'
		$SUDO rm -f "/tmp/ZeroTier One.pkg"
		curl -s ${ZT_BASE_URL_HTTPS}dist/ZeroTier%20One.pkg >"/tmp/ZeroTier One.pkg"
		$SUDO installer -pkg "/tmp/ZeroTier One.pkg" -target /

		echo
		echo '*** Waiting for identity generation...'

		while [ ! -f "/Library/Application Support/ZeroTier/One/identity.secret" ]; do
			sleep 1
		done

		echo
		echo "*** Success! You are connected to port `cat '/Library/Application Support/ZeroTier/One/identity.public' | cut -d : -f 1` of Earth's planetary smart switch."
		echo

		exit 0
	fi
fi

# Detect already-installed on Linux
if [ -f /usr/sbin/zerotier-one ]; then
	echo '*** ZeroTier appears to already be installed.'
	exit 0
fi

rm -f /tmp/zt-gpg-key
echo '-----BEGIN PGP PUBLIC KEY BLOCK-----' >/tmp/zt-gpg-key
cat >>/tmp/zt-gpg-key << END_OF_KEY
Comment: GPGTools - https://gpgtools.org

mQINBFdQq7oBEADEVhyRiaL8dEjMPlI/idO8tA7adjhfvejxrJ3Axxi9YIuIKhWU
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dP3lOKrVdZg4qhtFAspC85ivcuxWNWnfTOBrgnvxCA1fmBX+MLNUEDsuu55LBNQT
5+WyrSchSlsczq+9EdomILhixUflDCShHs+Efvh7li6Pg56fwjEfj9DJYFhRvEvQ
7GZ7xtysFzx4AYD4/g5kCDsMTbc9W4Jv+JrMt3JsXt2zqwI0P4R1cIAu0J6OZ4Xa
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aWduaW5nIEtleSkgPGNvbnRhY3RAemVyb3RpZXIuY29tPokCNwQTAQoAIQUCV1Cr
ugIbAwULCQgHAwUVCgkICwUWAgMBAAIeAQIXgAAKCRAWVxmII+UqYViGEACnC3+3
lRzfv7f7JLWo23FSHjlF3IiWfYd+47BLDx706SDih1H6Qt8CqRy706bWbtictEJ/
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6g+uaMDG1OkBz6MCwdg9counz6oa8OHK76tXNIBEnGOPBW375z1O+ExyddQOHDcS
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65RLM+AJQaEkX17vDlsSljHrtYLKrhEueqeq50e89c2Ya4ucmSVeC9lrSqfyvGOO
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fhvzhgBPku/5wK2XwBL9BELqaQ/tWOXuztMw0xFH/De75IH3LIvQYCuv1pnM4hJL
XYnpAGAWfmFtmXNnPVon6g542Z6c0G/qi657xA5vr6OSSbazDJXNiHXhgBYEzRrH
napcohTQwFKEA3Q4iftrsTDX/eZVTrO9x6qKxwoBVTGwSE52InWAxkkcnZM6tkfV
n7Ukc0oixZ6E70Svls27zFgaWbUFJQ6JFoC6h+5AYbaga6DwKCYOP3AR+q0ZkcH/
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CRAWVxmII+UqYWSSEACxaR/hhr8xUIXkIV52BeD+2BOS8FNOi0aM67L4fEVplrsV
Op9fvAnUNmoiQo+RFdUdaD2Rpq+yUjQHHbj92mlk6Cmaon46wU+5bAWGYpV1Uf+o
wbKw1Xv83Uj9uHo7zv9WDtOUXUiTe/S792icTfRYrKbwkfI8iCltgNhTQNX0lFX/
Sr2y1/dGCTCMEuA/ClqGKCm9lIYdu+4z32V9VXTSX85DsUjLOCO/hl9SHaelJgmi
IJzRY1XLbNDK4IH5eWtbaprkTNIGt00QhsnM5w+rn1tO80giSxXFpKBE+/pAx8PQ
RdVFzxHtTUGMCkZcgOJolk8y+DJWtX8fP+3a4Vq11a3qKJ19VXk3qnuC1aeW7OQF
j6ISyHsNNsnBw5BRaS5tdrpLXw6Z7TKr1eq+FylmoOK0pIw5xOdRmSVoFm4lVcI5
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S3RIXtOXudT1+A1kaBpGKnpXOYD3w7jW2l0zAd6a53AAGy4SnL1ac4cml76NIWiF
m2KYzvMJZBk5dAtFa0SgLK4fg8X6Ygoo9E0JsXxSrW9I1JVfo6Ia//YOBMtt4XuN
Awqahjkq87yxOYYTnJmr2OZtQuFboymfMhNqj3G2DYmZ/ZIXXPgwHx0fnd3R0Q==
=JgAv
END_OF_KEY
echo '-----END PGP PUBLIC KEY BLOCK-----' >>/tmp/zt-gpg-key

echo '*** Detecting Linux Distribution'
echo

_old_apt_signing() {
	URL=$1
	CODENAME=$2
	if [ -d /etc/apt/trusted.gpg.d ]; then
		$SUDO gpg --dearmor < /tmp/zt-gpg-key > /etc/apt/trusted.gpg.d/zerotier-debian-package-key.gpg
	else
		$SUDO apt-key add /tmp/zt-gpg-key
	fi
	echo "deb ${URL}debian/$CODENAME $CODENAME main" >/tmp/zt-sources-list
}

_new_apt_signing() {
	URL=$1
	CODENAME=$2
	$SUDO gpg --dearmor < /tmp/zt-gpg-key > /usr/share/keyrings/zerotier-debian-package-key.gpg
	echo "deb [signed-by=/usr/share/keyrings/zerotier-debian-package-key.gpg] ${URL}debian/$CODENAME $CODENAME main" >/tmp/zt-sources-list
}

	# shellcheck disable=SC2072
write_apt_repo() {
	DISTRIBUTION=$1
	VERSION=$2
	URL=$3
	CODENAME=$4

	if [ ! -d /usr/share/keyrings ]; then
		$SUDO mkdir -p /usr/share/keyrings
	fi

	$SUDO apt-get update -y
	$SUDO apt-get install -y gpg
	$SUDO chmod a+r /tmp/zt-gpg-key

	if [[ "$DISTRIBUTION" == "ubuntu" && "$VERSION" < "22.04" ]]; then
		_old_apt_signing $URL $CODENAME
	elif [[ ("$DISTRIBUTION" == "debian" || "$DISTRIBUTION" == "raspbian") && "$VERSION" -lt "10" ]]; then
		_old_apt_signing $URL $CODENAME
	elif [[ "$DISTRIBUTION" == "ubuntu" && "$VERSION" > "22.03" ]]; then  # comparison to 22.03 is intentional
		_new_apt_signing $URL $CODENAME
	elif [[ ("$DISTRIBUTION" == "debian" || "$DISTRIBUTION" == "raspbian") && "$VERSION" -ge "10" ]]; then
		_new_apt_signing $URL $CODENAME
	elif [[ "$DISTRIBUTION" == "kali" ]]; then
		_new_apt_signing $URL $CODENAME
	elif [[ "$DISTRIBUTION" == "linuxmint" && "$VERSION" == "6" ]]; then
		_new_apt_signing $URL $CODENAME
	elif [[ "$DISTRIBUTION" == "linuxmint" && ( "$VERSION" == "21" || "$VERSION" -gt "21" ) ]]; then
		_new_apt_signing $URL $CODENAME
	elif [[ "$DISTRIBUTION" == "linuxmint" && ( "$VERSION" == "20" || ("$VERSION" -gt "20" && "$VERSION" -lt "21" ) ) ]]; then
		_old_apt_signing $URL $CODENAME
	else
		echo "Unsupported distribution $DISTRIBUTION $VERSION"
		exit 1
	fi

	$SUDO mv -f /tmp/zt-sources-list /etc/apt/sources.list.d/zerotier.list
	$SUDO chown 0 /etc/apt/sources.list.d/zerotier.list
	$SUDO chgrp 0 /etc/apt/sources.list.d/zerotier.list

	echo
	echo '*** Installing zerotier-one package...'

	# Pre-1.1.6 Debian package did not properly enumerate its files, causing
	# problems when we try to replace it. So just delete them to force.
	if [ -d /var/lib/zerotier-one ]; then
		$SUDO rm -f /etc/init.d/zerotier-one /etc/systemd/system/multi-user.target.wants/zerotier-one.service /var/lib/zerotier-one/zerotier-one /usr/local/bin/zerotier-cli /usr/bin/zerotier-cli /usr/local/bin/zero
	fi

	cat /dev/null | $SUDO apt-get update
	cat /dev/null | $SUDO apt-get install -y zerotier-one
}


if [ ! -f /etc/os-release ]; then
	echo '*** Cannot detect Linux distribution! Aborting.'
	exit 1
fi

source /etc/os-release

if [ $ID == "debian" ] || [ $ID == "raspbian" ]; then
	echo '*** Detected Debian Linux, creating /etc/apt/sources.list.d/zerotier.list'

	# Debian testing/sid does not declare a VERSION_ID in /etc/os-release
	if [ -z "$VERSION_ID" ] || [ $VERSION_ID -gt $MAX_SUPPORTED_DEBIAN_VERSION ]; then
		write_apt_repo $ID $MAX_SUPPORTED_DEBIAN_VERSION $ZT_BASE_URL_HTTP $MAX_SUPPORTED_DEBIAN_VERSION_NAME
	else 
		write_apt_repo $ID $VERSION_ID $ZT_BASE_URL_HTTP $VERSION_CODENAME
	fi
elif [ $ID == "ubuntu" ] || [ $ID == "pop" ]; then
	echo '*** Detected Ubuntu Linux, creating /etc/apt/sources.list.d/zerotier.list'

	if [[ "$VERSION_ID" > "$MAX_SUPPORTED_UBUNTU_VERSION" ]]; then
		write_apt_repo ubuntu $MAX_SUPPORTED_UBUNTU_VERSION $ZT_BASE_URL_HTTP $MAX_SUPPORTED_UBUNTU_VERSION_NAME
	else 
		write_apt_repo ubuntu $VERSION_ID $ZT_BASE_URL_HTTP ${UBUNTU_CODENAME_MAP[${VERSION_CODENAME}]}
	fi
elif [ $ID == "linuxmint" ]; then
	echo '*** Detected Linux Mint, creating /etc/apt/sources.list.d/zerotier.list'
 	
  	# fix for non integer version number
  	VERSION_ID=$(echo $VERSION_ID | cut -d . -f 1)

	if [[ "$VERSION_ID" -gt "$MAX_SUPPORTED_MINT_VERSION" ]]; then
		write_apt_repo $ID $MAX_SUPPORTED_MINT_VERSION $ZT_BASE_URL_HTTP $MAX_SUPPORTED_MINT_VERSION_NAME
	else 
		write_apt_repo $ID $VERSION_ID $ZT_BASE_URL_HTTP ${MINT_CODENAME_MAP[${VERSION_CODENAME}]}
	fi
elif [ $ID == "kali" ]; then
	echo '*** Detected Kali Linux, creating /etc/apt/sources.list.d/zerotier.list'

	write_apt_repo $ID $VERSION_ID $ZT_BASE_URL_HTTP $MAX_SUPPORTED_DEBIAN_VERSION_NAME
elif [ $ID == "centos" ] || [ $ID == "rocky" ] || [ $ID == "almalinux" ] || [ $ID == "rhel" ] || [ $ID == "fedora" ] || [ $ID == "amzn" ] || [ $ID == "sangoma" ] || [ $ID == "ol" ]; then
	baseurl="${ZT_BASE_URL_HTTP}redhat/el/7"
	if [ -n "`cat /etc/redhat-release 2>/dev/null | grep -i fedora`" ]; then
		echo "*** Found Fedora, creating /etc/yum.repos.d/zerotier.repo"
		fedora_release="`cat /etc/os-release | grep -F VERSION_ID= | cut -d = -f 2`"
		if [ -n "$fedora_release" ]; then
			baseurl="${ZT_BASE_URL_HTTP}redhat/fc/$fedora_release"
		else
			baseurl="${ZT_BASE_URL_HTTP}redhat/fc/22"
		fi
	elif [ -n "`cat /etc/redhat-release 2>/dev/null | grep -i centos`" -o -n "`cat /etc/redhat-release 2>/dev/null | grep -i enterprise`" -o -n "`cat /etc/redhat-release 2>/dev/null | grep -i rocky`" -o -n "`cat /etc/redhat-release 2>/dev/null | grep -i alma`" ]; then
		echo "*** Found RHEL/CentOS/Rocky, creating /etc/yum.repos.d/zerotier.repo"
		baseurl="${ZT_BASE_URL_HTTP}redhat/el/\$releasever"
	elif [ -n "`cat /etc/system-release 2>/dev/null | grep -i amazon`" ]; then
		echo "*** Found Amazon (CentOS/RHEL based), creating /etc/yum.repos.d/zerotier.repo"
		if [ -n "`cat /etc/system-release 2>/dev/null | grep -F 'Amazon Linux 2'`" ]; then
			baseurl="${ZT_BASE_URL_HTTP}redhat/el/7"
		else
			baseurl="${ZT_BASE_URL_HTTP}redhat/amzn1/2016.03"
		fi
	else
		echo "*** Found unknown yum-based repo, using el/7, creating /etc/yum.repos.d/zerotier.repo"
	fi

	$SUDO rpm --import /tmp/zt-gpg-key

	$SUDO rm -f /tmp/zerotier.repo
	echo '[zerotier]' >/tmp/zerotier.repo
	echo 'name=ZeroTier, Inc. RPM Release Repository' >>/tmp/zerotier.repo
	echo "baseurl=$baseurl" >>/tmp/zerotier.repo
	echo 'enabled=1' >>/tmp/zerotier.repo
	echo 'gpgcheck=1' >>/tmp/zerotier.repo

	$SUDO mv -f /tmp/zerotier.repo /etc/yum.repos.d/zerotier.repo
	$SUDO chown 0 /etc/yum.repos.d/zerotier.repo
	$SUDO chgrp 0 /etc/yum.repos.d/zerotier.repo

	echo
	echo '*** Installing ZeroTier service package...'

	if [ -e /usr/bin/dnf ]; then
		cat /dev/null | $SUDO dnf install -y zerotier-one
	else
		cat /dev/null | $SUDO yum install -y zerotier-one
	fi
elif [ $ID == "opensuse" ] || [ $ID == "suse" ]; then
	echo '*** Found SuSE, adding zypper YUM repo...'
	cat /dev/null | $SUDO zypper addrepo -t YUM -g ${ZT_BASE_URL_HTTP}redhat/el/7 zerotier
	cat /dev/null | $SUDO rpm --import /tmp/zt-gpg-key

	echo
	echo '*** Installing zeortier-one package...'

	cat /dev/null | $SUDO zypper install -y zerotier-one
elif  [ $ID == "opensuse-tumbleweed" ]; then 
	echo '*** Found SuSE Tumbleweed/Leap, adding zypper YUM repo...'	
	cat /dev/null | $SUDO zypper addrepo -t YUM -G ${ZT_BASE_URL_HTTP}redhat/el/9 zerotier

	echo
	echo '*** Installing zeortier-one package...'

	cat /dev/null | $SUDO zypper install -y zerotier-one
else
	echo '*** Unknown or unsupported distribution! Aborting.'
	exit 1
fi

$SUDO rm -f /tmp/zt-gpg-key

if [ ! -e /usr/sbin/zerotier-one ]; then
	echo
	echo '*** Package installation failed! Unfortunately there may not be a package'
	echo '*** for your architecture or distribution. For the source go to:'
	echo '*** https://github.com/zerotier/ZeroTierOne'
	echo
	exit 1
fi

echo
echo '*** Enabling and starting ZeroTier service...'

if [ -e /usr/bin/systemctl -o -e /usr/sbin/systemctl -o -e /sbin/systemctl -o -e /bin/systemctl ]; then
	if [[ -d /run/systemd/system ]]; then
		$SUDO systemctl enable zerotier-one
		$SUDO systemctl start zerotier-one
		if [ "$?" != "0" ]; then
			echo
			echo '*** Package installed but cannot start service! You may be in a Docker'
			echo '*** container or using a non-standard init service.'
			echo
			exit 1
		fi
	else
		echo
		echo '*** Package installed but cannot start service! You may be in a Docker container'
		echo '*** or using a non-standard init service.'
		echo
		exit 0
	fi
else
	if [ -e /sbin/update-rc.d -o -e /usr/sbin/update-rc.d -o -e /bin/update-rc.d -o -e /usr/bin/update-rc.d ]; then
		$SUDO update-rc.d zerotier-one defaults
	else
		$SUDO chkconfig zerotier-one on
	fi
	$SUDO /etc/init.d/zerotier-one start
fi

echo
echo '*** Waiting for identity generation...'

while [ ! -f /var/lib/zerotier-one/identity.secret ]; do
	sleep 1
done

echo
echo "*** Success! You are ZeroTier address [ `cat /var/lib/zerotier-one/identity.public | cut -d : -f 1` ]."
echo

exit 0
-----BEGIN PGP SIGNATURE-----

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