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letsencrypt-auto
executable file
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letsencrypt-auto
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#!/bin/sh
#
# Download and run the latest release version of the Certbot client.
#
# NOTE: THIS SCRIPT IS AUTO-GENERATED AND SELF-UPDATING
#
# IF YOU WANT TO EDIT IT LOCALLY, *ALWAYS* RUN YOUR COPY WITH THE
# "--no-self-upgrade" FLAG
#
# IF YOU WANT TO SEND PULL REQUESTS, THE REAL SOURCE FOR THIS FILE IS
# letsencrypt-auto-source/letsencrypt-auto.template AND
# letsencrypt-auto-source/pieces/bootstrappers/*
set -e # Work even if somebody does "sh thisscript.sh".
# Note: you can set XDG_DATA_HOME or VENV_PATH before running this script,
# if you want to change where the virtual environment will be installed
# HOME might not be defined when being run through something like systemd
if [ -z "$HOME" ]; then
HOME=~root
fi
if [ -z "$XDG_DATA_HOME" ]; then
XDG_DATA_HOME=~/.local/share
fi
if [ -z "$VENV_PATH" ]; then
# We export these values so they are preserved properly if this script is
# rerun with sudo/su where $HOME/$XDG_DATA_HOME may have a different value.
export OLD_VENV_PATH="$XDG_DATA_HOME/letsencrypt"
export VENV_PATH="/opt/eff.org/certbot/venv"
fi
VENV_BIN="$VENV_PATH/bin"
BOOTSTRAP_VERSION_PATH="$VENV_PATH/certbot-auto-bootstrap-version.txt"
LE_AUTO_VERSION="0.36.0"
BASENAME=$(basename $0)
USAGE="Usage: $BASENAME [OPTIONS]
A self-updating wrapper script for the Certbot ACME client. When run, updates
to both this script and certbot will be downloaded and installed. After
ensuring you have the latest versions installed, certbot will be invoked with
all arguments you have provided.
Help for certbot itself cannot be provided until it is installed.
--debug attempt experimental installation
-h, --help print this help
-n, --non-interactive, --noninteractive run without asking for user input
--no-bootstrap do not install OS dependencies
--no-permissions-check do not warn about file system permissions
--no-self-upgrade do not download updates
--os-packages-only install OS dependencies and exit
--install-only install certbot, upgrade if needed, and exit
-v, --verbose provide more output
-q, --quiet provide only update/error output;
implies --non-interactive
All arguments are accepted and forwarded to the Certbot client when run."
export CERTBOT_AUTO="$0"
for arg in "$@" ; do
case "$arg" in
--debug)
DEBUG=1;;
--os-packages-only)
OS_PACKAGES_ONLY=1;;
--install-only)
INSTALL_ONLY=1;;
--no-self-upgrade)
# Do not upgrade this script (also prevents client upgrades, because each
# copy of the script pins a hash of the python client)
NO_SELF_UPGRADE=1;;
--no-permissions-check)
NO_PERMISSIONS_CHECK=1;;
--no-bootstrap)
NO_BOOTSTRAP=1;;
--help)
HELP=1;;
--noninteractive|--non-interactive)
NONINTERACTIVE=1;;
--quiet)
QUIET=1;;
renew)
ASSUME_YES=1;;
--verbose)
VERBOSE=1;;
-[!-]*)
OPTIND=1
while getopts ":hnvq" short_arg $arg; do
case "$short_arg" in
h)
HELP=1;;
n)
NONINTERACTIVE=1;;
q)
QUIET=1;;
v)
VERBOSE=1;;
esac
done;;
esac
done
if [ $BASENAME = "letsencrypt-auto" ]; then
# letsencrypt-auto does not respect --help or --yes for backwards compatibility
NONINTERACTIVE=1
HELP=0
fi
# Set ASSUME_YES to 1 if QUIET or NONINTERACTIVE
if [ "$QUIET" = 1 -o "$NONINTERACTIVE" = 1 ]; then
ASSUME_YES=1
fi
say() {
if [ "$QUIET" != 1 ]; then
echo "$@"
fi
}
error() {
echo "$@"
}
# Support for busybox and others where there is no "command",
# but "which" instead
if command -v command > /dev/null 2>&1 ; then
export EXISTS="command -v"
elif which which > /dev/null 2>&1 ; then
export EXISTS="which"
else
error "Cannot find command nor which... please install one!"
exit 1
fi
# Certbot itself needs root access for almost all modes of operation.
# certbot-auto needs root access to bootstrap OS dependencies and install
# Certbot at a protected path so it can be safely run as root. To accomplish
# this, this script will attempt to run itself as root if it doesn't have the
# necessary privileges by using `sudo` or falling back to `su` if it is not
# available. The mechanism used to obtain root access can be set explicitly by
# setting the environment variable LE_AUTO_SUDO to 'sudo', 'su', 'su_sudo',
# 'SuSudo', or '' as used below.
# Because the parameters in `su -c` has to be a string,
# we need to properly escape it.
SuSudo() {
args=""
# This `while` loop iterates over all parameters given to this function.
# For each parameter, all `'` will be replace by `'"'"'`, and the escaped string
# will be wrapped in a pair of `'`, then appended to `$args` string
# For example, `echo "It's only 1\$\!"` will be escaped to:
# 'echo' 'It'"'"'s only 1$!'
# │ │└┼┘│
# │ │ │ └── `'s only 1$!'` the literal string
# │ │ └── `\"'\"` is a single quote (as a string)
# │ └── `'It'`, to be concatenated with the strings following it
# └── `echo` wrapped in a pair of `'`, it's totally fine for the shell command itself
while [ $# -ne 0 ]; do
args="$args'$(printf "%s" "$1" | sed -e "s/'/'\"'\"'/g")' "
shift
done
su root -c "$args"
}
# Sets the environment variable SUDO to be the name of the program or function
# to call to get root access. If this script already has root privleges, SUDO
# is set to an empty string. The value in SUDO should be run with the command
# to called with root privileges as arguments.
SetRootAuthMechanism() {
SUDO=""
if [ -n "${LE_AUTO_SUDO+x}" ]; then
case "$LE_AUTO_SUDO" in
SuSudo|su_sudo|su)
SUDO=SuSudo
;;
sudo)
SUDO="sudo -E"
;;
'')
# If we're not running with root, don't check that this script can only
# be modified by system users and groups.
NO_PERMISSIONS_CHECK=1
;;
*)
error "Error: unknown root authorization mechanism '$LE_AUTO_SUDO'."
exit 1
esac
say "Using preset root authorization mechanism '$LE_AUTO_SUDO'."
else
if test "`id -u`" -ne "0" ; then
if $EXISTS sudo 1>/dev/null 2>&1; then
SUDO="sudo -E"
else
say \"sudo\" is not available, will use \"su\" for installation steps...
SUDO=SuSudo
fi
fi
fi
}
if [ "$1" = "--cb-auto-has-root" ]; then
shift 1
else
SetRootAuthMechanism
if [ -n "$SUDO" ]; then
say "Requesting to rerun $0 with root privileges..."
$SUDO "$0" --cb-auto-has-root "$@"
exit 0
fi
fi
# Runs this script again with the given arguments. --cb-auto-has-root is added
# to the command line arguments to ensure we don't try to acquire root a
# second time. After the script is rerun, we exit the current script.
RerunWithArgs() {
"$0" --cb-auto-has-root "$@"
exit 0
}
BootstrapMessage() {
# Arguments: Platform name
say "Bootstrapping dependencies for $1... (you can skip this with --no-bootstrap)"
}
ExperimentalBootstrap() {
# Arguments: Platform name, bootstrap function name
if [ "$DEBUG" = 1 ]; then
if [ "$2" != "" ]; then
BootstrapMessage $1
$2
fi
else
error "FATAL: $1 support is very experimental at present..."
error "if you would like to work on improving it, please ensure you have backups"
error "and then run this script again with the --debug flag!"
error "Alternatively, you can install OS dependencies yourself and run this script"
error "again with --no-bootstrap."
exit 1
fi
}
DeprecationBootstrap() {
# Arguments: Platform name, bootstrap function name
if [ "$DEBUG" = 1 ]; then
if [ "$2" != "" ]; then
BootstrapMessage $1
$2
fi
else
error "WARNING: certbot-auto support for this $1 is DEPRECATED!"
error "Please visit certbot.eff.org to learn how to download a version of"
error "Certbot that is packaged for your system. While an existing version"
error "of certbot-auto may work currently, we have stopped supporting updating"
error "system packages for your system. Please switch to a packaged version"
error "as soon as possible."
exit 1
fi
}
MIN_PYTHON_VERSION="2.7"
MIN_PYVER=$(echo "$MIN_PYTHON_VERSION" | sed 's/\.//')
# Sets LE_PYTHON to Python version string and PYVER to the first two
# digits of the python version
DeterminePythonVersion() {
# Arguments: "NOCRASH" if we shouldn't crash if we don't find a good python
#
# If no Python is found, PYVER is set to 0.
if [ "$USE_PYTHON_3" = 1 ]; then
for LE_PYTHON in "$LE_PYTHON" python3; do
# Break (while keeping the LE_PYTHON value) if found.
$EXISTS "$LE_PYTHON" > /dev/null && break
done
else
for LE_PYTHON in "$LE_PYTHON" python2.7 python27 python2 python; do
# Break (while keeping the LE_PYTHON value) if found.
$EXISTS "$LE_PYTHON" > /dev/null && break
done
fi
if [ "$?" != "0" ]; then
if [ "$1" != "NOCRASH" ]; then
error "Cannot find any Pythons; please install one!"
exit 1
else
PYVER=0
return 0
fi
fi
PYVER=`"$LE_PYTHON" -V 2>&1 | cut -d" " -f 2 | cut -d. -f1,2 | sed 's/\.//'`
if [ "$PYVER" -lt "$MIN_PYVER" ]; then
if [ "$1" != "NOCRASH" ]; then
error "You have an ancient version of Python entombed in your operating system..."
error "This isn't going to work; you'll need at least version $MIN_PYTHON_VERSION."
exit 1
fi
fi
}
# If new packages are installed by BootstrapDebCommon below, this version
# number must be increased.
BOOTSTRAP_DEB_COMMON_VERSION=1
BootstrapDebCommon() {
# Current version tested with:
#
# - Ubuntu
# - 14.04 (x64)
# - 15.04 (x64)
# - Debian
# - 7.9 "wheezy" (x64)
# - sid (2015-10-21) (x64)
# Past versions tested with:
#
# - Debian 8.0 "jessie" (x64)
# - Raspbian 7.8 (armhf)
# Believed not to work:
#
# - Debian 6.0.10 "squeeze" (x64)
if [ "$QUIET" = 1 ]; then
QUIET_FLAG='-qq'
fi
apt-get $QUIET_FLAG update || error apt-get update hit problems but continuing anyway...
# virtualenv binary can be found in different packages depending on
# distro version (#346)
virtualenv=
# virtual env is known to apt and is installable
if apt-cache show virtualenv > /dev/null 2>&1 ; then
if ! LC_ALL=C apt-cache --quiet=0 show virtualenv 2>&1 | grep -q 'No packages found'; then
virtualenv="virtualenv"
fi
fi
if apt-cache show python-virtualenv > /dev/null 2>&1; then
virtualenv="$virtualenv python-virtualenv"
fi
augeas_pkg="libaugeas0 augeas-lenses"
if [ "$ASSUME_YES" = 1 ]; then
YES_FLAG="-y"
fi
apt-get install $QUIET_FLAG $YES_FLAG --no-install-recommends \
python \
python-dev \
$virtualenv \
gcc \
$augeas_pkg \
libssl-dev \
openssl \
libffi-dev \
ca-certificates \
if ! $EXISTS virtualenv > /dev/null ; then
error Failed to install a working \"virtualenv\" command, exiting
exit 1
fi
}
# If new packages are installed by BootstrapRpmCommonBase below, version
# numbers in rpm_common.sh and rpm_python3.sh must be increased.
# Sets TOOL to the name of the package manager
# Sets appropriate values for YES_FLAG and QUIET_FLAG based on $ASSUME_YES and $QUIET_FLAG.
# Enables EPEL if applicable and possible.
InitializeRPMCommonBase() {
if type dnf 2>/dev/null
then
TOOL=dnf
elif type yum 2>/dev/null
then
TOOL=yum
else
error "Neither yum nor dnf found. Aborting bootstrap!"
exit 1
fi
if [ "$ASSUME_YES" = 1 ]; then
YES_FLAG="-y"
fi
if [ "$QUIET" = 1 ]; then
QUIET_FLAG='--quiet'
fi
if ! $TOOL list *virtualenv >/dev/null 2>&1; then
echo "To use Certbot, packages from the EPEL repository need to be installed."
if ! $TOOL list epel-release >/dev/null 2>&1; then
error "Enable the EPEL repository and try running Certbot again."
exit 1
fi
if [ "$ASSUME_YES" = 1 ]; then
/bin/echo -n "Enabling the EPEL repository in 3 seconds..."
sleep 1s
/bin/echo -ne "\e[0K\rEnabling the EPEL repository in 2 seconds..."
sleep 1s
/bin/echo -e "\e[0K\rEnabling the EPEL repository in 1 second..."
sleep 1s
fi
if ! $TOOL install $YES_FLAG $QUIET_FLAG epel-release; then
error "Could not enable EPEL. Aborting bootstrap!"
exit 1
fi
fi
}
BootstrapRpmCommonBase() {
# Arguments: whitespace-delimited python packages to install
InitializeRPMCommonBase # This call is superfluous in practice
pkgs="
gcc
augeas-libs
openssl
openssl-devel
libffi-devel
redhat-rpm-config
ca-certificates
"
# Add the python packages
pkgs="$pkgs
$1
"
if $TOOL list installed "httpd" >/dev/null 2>&1; then
pkgs="$pkgs
mod_ssl
"
fi
if ! $TOOL install $YES_FLAG $QUIET_FLAG $pkgs; then
error "Could not install OS dependencies. Aborting bootstrap!"
exit 1
fi
}
# If new packages are installed by BootstrapRpmCommon below, this version
# number must be increased.
BOOTSTRAP_RPM_COMMON_VERSION=1
BootstrapRpmCommon() {
# Tested with:
# - Fedora 20, 21, 22, 23 (x64)
# - Centos 7 (x64: on DigitalOcean droplet)
# - CentOS 7 Minimal install in a Hyper-V VM
# - CentOS 6
InitializeRPMCommonBase
# Most RPM distros use the "python" or "python-" naming convention. Let's try that first.
if $TOOL list python >/dev/null 2>&1; then
python_pkgs="$python
python-devel
python-virtualenv
python-tools
python-pip
"
# Fedora 26 starts to use the prefix python2 for python2 based packages.
# this elseif is theoretically for any Fedora over version 26:
elif $TOOL list python2 >/dev/null 2>&1; then
python_pkgs="$python2
python2-libs
python2-setuptools
python2-devel
python2-virtualenv
python2-tools
python2-pip
"
# Some distros and older versions of current distros use a "python27"
# instead of the "python" or "python-" naming convention.
else
python_pkgs="$python27
python27-devel
python27-virtualenv
python27-tools
python27-pip
"
fi
BootstrapRpmCommonBase "$python_pkgs"
}
# If new packages are installed by BootstrapRpmPython3 below, this version
# number must be increased.
BOOTSTRAP_RPM_PYTHON3_VERSION=1
BootstrapRpmPython3() {
# Tested with:
# - CentOS 6
# - Fedora 29
InitializeRPMCommonBase
# Fedora 29 must use python3-virtualenv
if $TOOL list python3-virtualenv >/dev/null 2>&1; then
python_pkgs="python3
python3-virtualenv
python3-devel
"
# EPEL uses python34
elif $TOOL list python34 >/dev/null 2>&1; then
python_pkgs="python34
python34-devel
python34-tools
"
else
error "No supported Python package available to install. Aborting bootstrap!"
exit 1
fi
BootstrapRpmCommonBase "$python_pkgs"
}
# If new packages are installed by BootstrapSuseCommon below, this version
# number must be increased.
BOOTSTRAP_SUSE_COMMON_VERSION=1
BootstrapSuseCommon() {
# SLE12 don't have python-virtualenv
if [ "$ASSUME_YES" = 1 ]; then
zypper_flags="-nq"
install_flags="-l"
fi
if [ "$QUIET" = 1 ]; then
QUIET_FLAG='-qq'
fi
if zypper search -x python-virtualenv >/dev/null 2>&1; then
OPENSUSE_VIRTUALENV_PACKAGES="python-virtualenv"
else
# Since Leap 15.0 (and associated Tumbleweed version), python-virtualenv
# is a source package, and python2-virtualenv must be used instead.
# Also currently python2-setuptools is not a dependency of python2-virtualenv,
# while it should be. Installing it explicitly until upstream fix.
OPENSUSE_VIRTUALENV_PACKAGES="python2-virtualenv python2-setuptools"
fi
zypper $QUIET_FLAG $zypper_flags in $install_flags \
python \
python-devel \
$OPENSUSE_VIRTUALENV_PACKAGES \
gcc \
augeas-lenses \
libopenssl-devel \
libffi-devel \
ca-certificates
}
# If new packages are installed by BootstrapArchCommon below, this version
# number must be increased.
BOOTSTRAP_ARCH_COMMON_VERSION=1
BootstrapArchCommon() {
# Tested with:
# - ArchLinux (x86_64)
#
# "python-virtualenv" is Python3, but "python2-virtualenv" provides
# only "virtualenv2" binary, not "virtualenv".
deps="
python2
python-virtualenv
gcc
augeas
openssl
libffi
ca-certificates
pkg-config
"
# pacman -T exits with 127 if there are missing dependencies
missing=$(pacman -T $deps) || true
if [ "$ASSUME_YES" = 1 ]; then
noconfirm="--noconfirm"
fi
if [ "$missing" ]; then
if [ "$QUIET" = 1 ]; then
pacman -S --needed $missing $noconfirm > /dev/null
else
pacman -S --needed $missing $noconfirm
fi
fi
}
# If new packages are installed by BootstrapGentooCommon below, this version
# number must be increased.
BOOTSTRAP_GENTOO_COMMON_VERSION=1
BootstrapGentooCommon() {
PACKAGES="
dev-lang/python:2.7
dev-python/virtualenv
app-admin/augeas
dev-libs/openssl
dev-libs/libffi
app-misc/ca-certificates
virtual/pkgconfig"
ASK_OPTION="--ask"
if [ "$ASSUME_YES" = 1 ]; then
ASK_OPTION=""
fi
case "$PACKAGE_MANAGER" in
(paludis)
cave resolve --preserve-world --keep-targets if-possible $PACKAGES -x
;;
(pkgcore)
pmerge --noreplace --oneshot $ASK_OPTION $PACKAGES
;;
(portage|*)
emerge --noreplace --oneshot $ASK_OPTION $PACKAGES
;;
esac
}
# If new packages are installed by BootstrapFreeBsd below, this version number
# must be increased.
BOOTSTRAP_FREEBSD_VERSION=1
BootstrapFreeBsd() {
if [ "$QUIET" = 1 ]; then
QUIET_FLAG="--quiet"
fi
pkg install -Ay $QUIET_FLAG \
python \
py27-virtualenv \
augeas \
libffi
}
# If new packages are installed by BootstrapMac below, this version number must
# be increased.
BOOTSTRAP_MAC_VERSION=1
BootstrapMac() {
if hash brew 2>/dev/null; then
say "Using Homebrew to install dependencies..."
pkgman=brew
pkgcmd="brew install"
elif hash port 2>/dev/null; then
say "Using MacPorts to install dependencies..."
pkgman=port
pkgcmd="port install"
else
say "No Homebrew/MacPorts; installing Homebrew..."
ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"
pkgman=brew
pkgcmd="brew install"
fi
$pkgcmd augeas
if [ "$(which python)" = "/System/Library/Frameworks/Python.framework/Versions/2.7/bin/python" \
-o "$(which python)" = "/usr/bin/python" ]; then
# We want to avoid using the system Python because it requires root to use pip.
# python.org, MacPorts or HomeBrew Python installations should all be OK.
say "Installing python..."
$pkgcmd python
fi
# Workaround for _dlopen not finding augeas on macOS
if [ "$pkgman" = "port" ] && ! [ -e "/usr/local/lib/libaugeas.dylib" ] && [ -e "/opt/local/lib/libaugeas.dylib" ]; then
say "Applying augeas workaround"
mkdir -p /usr/local/lib/
ln -s /opt/local/lib/libaugeas.dylib /usr/local/lib/
fi
if ! hash pip 2>/dev/null; then
say "pip not installed"
say "Installing pip..."
curl --silent --show-error --retry 5 https://bootstrap.pypa.io/get-pip.py | python
fi
if ! hash virtualenv 2>/dev/null; then
say "virtualenv not installed."
say "Installing with pip..."
pip install virtualenv
fi
}
# If new packages are installed by BootstrapSmartOS below, this version number
# must be increased.
BOOTSTRAP_SMARTOS_VERSION=1
BootstrapSmartOS() {
pkgin update
pkgin -y install 'gcc49' 'py27-augeas' 'py27-virtualenv'
}
# If new packages are installed by BootstrapMageiaCommon below, this version
# number must be increased.
BOOTSTRAP_MAGEIA_COMMON_VERSION=1
BootstrapMageiaCommon() {
if [ "$QUIET" = 1 ]; then
QUIET_FLAG='--quiet'
fi
if ! urpmi --force $QUIET_FLAG \
python \
libpython-devel \
python-virtualenv
then
error "Could not install Python dependencies. Aborting bootstrap!"
exit 1
fi
if ! urpmi --force $QUIET_FLAG \
git \
gcc \
python-augeas \
libopenssl-devel \
libffi-devel \
rootcerts
then
error "Could not install additional dependencies. Aborting bootstrap!"
exit 1
fi
}
# Set Bootstrap to the function that installs OS dependencies on this system
# and BOOTSTRAP_VERSION to the unique identifier for the current version of
# that function. If Bootstrap is set to a function that doesn't install any
# packages BOOTSTRAP_VERSION is not set.
if [ -f /etc/debian_version ]; then
Bootstrap() {
BootstrapMessage "Debian-based OSes"
BootstrapDebCommon
}
BOOTSTRAP_VERSION="BootstrapDebCommon $BOOTSTRAP_DEB_COMMON_VERSION"
elif [ -f /etc/mageia-release ]; then
# Mageia has both /etc/mageia-release and /etc/redhat-release
Bootstrap() {
ExperimentalBootstrap "Mageia" BootstrapMageiaCommon
}
BOOTSTRAP_VERSION="BootstrapMageiaCommon $BOOTSTRAP_MAGEIA_COMMON_VERSION"
elif [ -f /etc/redhat-release ]; then
# Run DeterminePythonVersion to decide on the basis of available Python versions
# whether to use 2.x or 3.x on RedHat-like systems.
# Then, revert LE_PYTHON to its previous state.
prev_le_python="$LE_PYTHON"
unset LE_PYTHON
DeterminePythonVersion "NOCRASH"
# Starting to Fedora 29, python2 is on a deprecation path. Let's move to python3 then.
RPM_DIST_NAME=`(. /etc/os-release 2> /dev/null && echo $ID) || echo "unknown"`
RPM_DIST_VERSION=0
if [ "$RPM_DIST_NAME" = "fedora" ]; then
RPM_DIST_VERSION=`(. /etc/os-release 2> /dev/null && echo $VERSION_ID) || echo "0"`
fi
if [ "$RPM_DIST_NAME" = "fedora" -a "$RPM_DIST_VERSION" -ge 29 -o "$PYVER" -eq 26 ]; then
Bootstrap() {
BootstrapMessage "RedHat-based OSes that will use Python3"
BootstrapRpmPython3
}
USE_PYTHON_3=1
BOOTSTRAP_VERSION="BootstrapRpmPython3 $BOOTSTRAP_RPM_PYTHON3_VERSION"
else
Bootstrap() {
BootstrapMessage "RedHat-based OSes"
BootstrapRpmCommon
}
BOOTSTRAP_VERSION="BootstrapRpmCommon $BOOTSTRAP_RPM_COMMON_VERSION"
fi
LE_PYTHON="$prev_le_python"
elif [ -f /etc/os-release ] && `grep -q openSUSE /etc/os-release` ; then
Bootstrap() {
BootstrapMessage "openSUSE-based OSes"
BootstrapSuseCommon
}
BOOTSTRAP_VERSION="BootstrapSuseCommon $BOOTSTRAP_SUSE_COMMON_VERSION"
elif [ -f /etc/arch-release ]; then
Bootstrap() {
if [ "$DEBUG" = 1 ]; then
BootstrapMessage "Archlinux"
BootstrapArchCommon
else
error "Please use pacman to install letsencrypt packages:"
error "# pacman -S certbot certbot-apache"
error
error "If you would like to use the virtualenv way, please run the script again with the"
error "--debug flag."
exit 1
fi
}
BOOTSTRAP_VERSION="BootstrapArchCommon $BOOTSTRAP_ARCH_COMMON_VERSION"
elif [ -f /etc/manjaro-release ]; then
Bootstrap() {
ExperimentalBootstrap "Manjaro Linux" BootstrapArchCommon
}
BOOTSTRAP_VERSION="BootstrapArchCommon $BOOTSTRAP_ARCH_COMMON_VERSION"
elif [ -f /etc/gentoo-release ]; then
Bootstrap() {
DeprecationBootstrap "Gentoo" BootstrapGentooCommon
}
BOOTSTRAP_VERSION="BootstrapGentooCommon $BOOTSTRAP_GENTOO_COMMON_VERSION"
elif uname | grep -iq FreeBSD ; then
Bootstrap() {
DeprecationBootstrap "FreeBSD" BootstrapFreeBsd
}
BOOTSTRAP_VERSION="BootstrapFreeBsd $BOOTSTRAP_FREEBSD_VERSION"
elif uname | grep -iq Darwin ; then
Bootstrap() {
DeprecationBootstrap "macOS" BootstrapMac
}
BOOTSTRAP_VERSION="BootstrapMac $BOOTSTRAP_MAC_VERSION"
elif [ -f /etc/issue ] && grep -iq "Amazon Linux" /etc/issue ; then
Bootstrap() {
ExperimentalBootstrap "Amazon Linux" BootstrapRpmCommon
}
BOOTSTRAP_VERSION="BootstrapRpmCommon $BOOTSTRAP_RPM_COMMON_VERSION"
elif [ -f /etc/product ] && grep -q "Joyent Instance" /etc/product ; then
Bootstrap() {
ExperimentalBootstrap "Joyent SmartOS Zone" BootstrapSmartOS
}
BOOTSTRAP_VERSION="BootstrapSmartOS $BOOTSTRAP_SMARTOS_VERSION"
else
Bootstrap() {
error "Sorry, I don't know how to bootstrap Certbot on your operating system!"
error
error "You will need to install OS dependencies, configure virtualenv, and run pip install manually."
error "Please see https://letsencrypt.readthedocs.org/en/latest/contributing.html#prerequisites"
error "for more info."
exit 1
}
fi
# We handle this case after determining the normal bootstrap version to allow
# variables like USE_PYTHON_3 to be properly set. As described above, if the
# Bootstrap function doesn't install any packages, BOOTSTRAP_VERSION should not
# be set so we unset it here.
if [ "$NO_BOOTSTRAP" = 1 ]; then
Bootstrap() {
:
}
unset BOOTSTRAP_VERSION
fi
# Sets PREV_BOOTSTRAP_VERSION to the identifier for the bootstrap script used
# to install OS dependencies on this system. PREV_BOOTSTRAP_VERSION isn't set
# if it is unknown how OS dependencies were installed on this system.
SetPrevBootstrapVersion() {
if [ -f $BOOTSTRAP_VERSION_PATH ]; then
PREV_BOOTSTRAP_VERSION=$(cat "$BOOTSTRAP_VERSION_PATH")
# The list below only contains bootstrap version strings that existed before
# we started writing them to disk.
#
# DO NOT MODIFY THIS LIST UNLESS YOU KNOW WHAT YOU'RE DOING!
elif grep -Fqx "$BOOTSTRAP_VERSION" << "UNLIKELY_EOF"
BootstrapDebCommon 1
BootstrapMageiaCommon 1
BootstrapRpmCommon 1
BootstrapSuseCommon 1
BootstrapArchCommon 1
BootstrapGentooCommon 1
BootstrapFreeBsd 1
BootstrapMac 1
BootstrapSmartOS 1
UNLIKELY_EOF
then
# If there's no bootstrap version saved to disk, but the currently selected
# bootstrap script is from before we started saving the version number,
# return the currently selected version to prevent us from rebootstrapping
# unnecessarily.
PREV_BOOTSTRAP_VERSION="$BOOTSTRAP_VERSION"
fi
}
TempDir() {
mktemp -d 2>/dev/null || mktemp -d -t 'le' # Linux || macOS
}
# Returns 0 if a letsencrypt installation exists at $OLD_VENV_PATH, otherwise,
# returns a non-zero number.
OldVenvExists() {
[ -n "$OLD_VENV_PATH" -a -f "$OLD_VENV_PATH/bin/letsencrypt" ]
}
# Given python path, version 1 and version 2, check if version 1 is outdated compared to version 2.
# An unofficial version provided as version 1 (eg. 0.28.0.dev0) will be treated
# specifically by printing "UNOFFICIAL". Otherwise, print "OUTDATED" if version 1
# is outdated, and "UP_TO_DATE" if not.
# This function relies only on installed python environment (2.x or 3.x) by certbot-auto.
CompareVersions() {
"$1" - "$2" "$3" << "UNLIKELY_EOF"
import sys
from distutils.version import StrictVersion
try:
current = StrictVersion(sys.argv[1])
except ValueError:
sys.stdout.write('UNOFFICIAL')
sys.exit()
try:
remote = StrictVersion(sys.argv[2])
except ValueError:
sys.stdout.write('UP_TO_DATE')
sys.exit()
if current < remote:
sys.stdout.write('OUTDATED')
else:
sys.stdout.write('UP_TO_DATE')
UNLIKELY_EOF
}
# Create a new virtual environment for Certbot. It will overwrite any existing one.
# Parameters: LE_PYTHON, VENV_PATH, PYVER, VERBOSE
CreateVenv() {
"$1" - "$2" "$3" "$4" << "UNLIKELY_EOF"
#!/usr/bin/env python
import os
import shutil
import subprocess
import sys
def create_venv(venv_path, pyver, verbose):
if os.path.exists(venv_path):
shutil.rmtree(venv_path)
stdout = sys.stdout if verbose == '1' else open(os.devnull, 'w')
if int(pyver) <= 27:
# Use virtualenv binary
environ = os.environ.copy()
environ['VIRTUALENV_NO_DOWNLOAD'] = '1'
command = ['virtualenv', '--no-site-packages', '--python', sys.executable, venv_path]
subprocess.check_call(command, stdout=stdout, env=environ)
else:
# Use embedded venv module in Python 3
command = [sys.executable, '-m', 'venv', venv_path]
subprocess.check_call(command, stdout=stdout)
if __name__ == '__main__':
create_venv(*sys.argv[1:])
UNLIKELY_EOF
}
# Check that the given PATH_TO_CHECK has secured permissions.
# Parameters: LE_PYTHON, PATH_TO_CHECK
CheckPathPermissions() {
"$1" - "$2" << "UNLIKELY_EOF"
"""Verifies certbot-auto cannot be modified by unprivileged users.
This script takes the path to certbot-auto as its only command line
argument. It then checks that the file can only be modified by uid/gid
< 1000 and if other users can modify the file, it prints a warning with
a suggestion on how to solve the problem.
Permissions on symlinks in the absolute path of certbot-auto are ignored
and only the canonical path to certbot-auto is checked. There could be
permissions problems due to the symlinks that are unreported by this
script, however, issues like this were not caused by our documentation
and are ignored for the sake of simplicity.
All warnings are printed to stdout rather than stderr so all stderr
output from this script can be suppressed to avoid printing messages if
this script fails for some reason.
"""
from __future__ import print_function
import os
import stat
import sys
FORUM_POST_URL = 'https://community.letsencrypt.org/t/certbot-auto-deployment-best-practices/91979/'
def has_safe_permissions(path):
"""Returns True if the given path has secure permissions.
The permissions are considered safe if the file is only writable by
uid/gid < 1000.
The reason we allow more IDs than 0 is because on some systems such
as Debian, system users/groups other than uid/gid 0 are used for the
path we recommend in our instructions which is /usr/local/bin. 1000
was chosen because on Debian 0-999 is reserved for system IDs[1] and
on RHEL either 0-499 or 0-999 is reserved depending on the
version[2][3]. Due to these differences across different OSes, this
detection isn't perfect so we only determine permissions are