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akornor/certbot-auto

Created March 17, 2020 23:40
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certbot-auto
#!/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="$VENV_PATH/certbot-auto-bootstrap-version.txt"
LE_AUTO_VERSION="1.3.0"
BASENAME=$(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 $1 is DEPRECATED!"
error "Please visit certbot.eff.org to learn how to download a version of"
error "Certbot that is packaged for your system. While an existing version"
error "of certbot-auto may work currently, we have stopped supporting updating"
error "system packages for your system. Please switch to a packaged version"
error "as soon as possible."
exit 1
fi
}
MIN_PYTHON_2_VERSION="2.7"
MIN_PYVER2=$(echo "$MIN_PYTHON_2_VERSION" | sed 's/\.//')
MIN_PYTHON_3_VERSION="3.5"
MIN_PYVER3=$(echo "$MIN_PYTHON_3_VERSION" | sed 's/\.//')
# Sets LE_PYTHON to Python version string and PYVER to the first two
# digits of the python version.
# MIN_PYVER and MIN_PYTHON_VERSION are also set by this function, and their
# values depend on if we try to use Python 3 or Python 2.
DeterminePythonVersion() {
# Arguments: "NOCRASH" if we shouldn't crash if we don't find a good python
#
# If no Python is found, PYVER is set to 0.
if [ "$USE_PYTHON_3" = 1 ]; then
MIN_PYVER=$MIN_PYVER3
MIN_PYTHON_VERSION=$MIN_PYTHON_3_VERSION
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
MIN_PYVER=$MIN_PYVER2
MIN_PYTHON_VERSION=$MIN_PYTHON_2_VERSION
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 $QUIET_FLAG.
# Note: this function is called both while selecting the bootstrap scripts and
# during the actual bootstrap. Some things like prompting to user can be done in the latter
# case, but not in the former one.
InitializeRPMCommonBase() {
if type dnf 2>/dev/null
then
TOOL=dnf
elif type yum 2>/dev/null
then
TOOL=yum
else
error "Neither yum nor dnf found. Aborting bootstrap!"
exit 1
fi
if [ "$ASSUME_YES" = 1 ]; then
YES_FLAG="-y"
fi
if [ "$QUIET" = 1 ]; then
QUIET_FLAG='--quiet'
fi
}
BootstrapRpmCommonBase() {
# Arguments: whitespace-delimited python packages to install
InitializeRPMCommonBase # This call is superfluous in practice
pkgs="
gcc
augeas-libs
openssl
openssl-devel
libffi-devel
redhat-rpm-config
ca-certificates
"
# Add the python packages
pkgs="$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_LEGACY_VERSION=1
# Checks if rh-python36 can be installed.
Python36SclIsAvailable() {
InitializeRPMCommonBase >/dev/null 2>&1;
if "${TOOL}" list rh-python36 >/dev/null 2>&1; then
return 0
fi
if "${TOOL}" list centos-release-scl >/dev/null 2>&1; then
return 0
fi
return 1
}
# Try to enable rh-python36 from SCL if it is necessary and possible.
EnablePython36SCL() {
if "$EXISTS" python3.6 > /dev/null 2> /dev/null; then
return 0
fi
if [ ! -f /opt/rh/rh-python36/enable ]; then
return 0
fi
set +e
if ! . /opt/rh/rh-python36/enable; then
error 'Unable to enable rh-python36!'
exit 1
fi
set -e
}
# This bootstrap concerns old RedHat-based distributions that do not ship by default
# with Python 2.7, but only Python 2.6. We bootstrap them by enabling SCL and installing
# Python 3.6. Some of these distributions are: CentOS/RHEL/OL/SL 6.
BootstrapRpmPython3Legacy() {
# Tested with:
# - CentOS 6
InitializeRPMCommonBase
if ! "${TOOL}" list rh-python36 >/dev/null 2>&1; then
echo "To use Certbot on this operating system, packages from the SCL repository need to be installed."
if ! "${TOOL}" list centos-release-scl >/dev/null 2>&1; then
error "Enable the SCL repository and try running Certbot again."
exit 1
fi
if [ "${ASSUME_YES}" = 1 ]; then
/bin/echo -n "Enabling the SCL repository in 3 seconds... (Press Ctrl-C to cancel)"
sleep 1s
/bin/echo -ne "\e[0K\rEnabling the SCL repository in 2 seconds... (Press Ctrl-C to cancel)"
sleep 1s
/bin/echo -e "\e[0K\rEnabling the SCL repository in 1 second... (Press Ctrl-C to cancel)"
sleep 1s
fi
if ! "${TOOL}" install "${YES_FLAG}" "${QUIET_FLAG}" centos-release-scl; then
error "Could not enable SCL. Aborting bootstrap!"
exit 1
fi
fi
# CentOS 6 must use rh-python36 from SCL
if "${TOOL}" list rh-python36 >/dev/null 2>&1; then
python_pkgs="rh-python36-python
rh-python36-python-virtualenv
rh-python36-python-devel
"
else
error "No supported Python package available to install. Aborting bootstrap!"
exit 1
fi
BootstrapRpmCommonBase "${python_pkgs}"
# Enable SCL rh-python36 after bootstrapping.
EnablePython36SCL
}
# If new packages are installed by BootstrapRpmPython3 below, this version
# number must be increased.
BOOTSTRAP_RPM_PYTHON3_VERSION=1
BootstrapRpmPython3() {
# Tested with:
# - Fedora 29
InitializeRPMCommonBase
# Fedora 29 must use python3-virtualenv
if $TOOL list python3-virtualenv >/dev/null 2>&1; then
python_pkgs="python3
python3-virtualenv
python3-devel
"
else
error "No supported Python package available to install. Aborting bootstrap!"
exit 1
fi
BootstrapRpmCommonBase "$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"
RPM_DIST_NAME=`(. /etc/os-release 2> /dev/null && echo $ID) || echo "unknown"`
if [ "$PYVER" -eq 26 -a $(uname -m) != 'x86_64' ]; then
# 32 bits CentOS 6 and affiliates are not supported anymore by certbot-auto.
DEPRECATED_OS=1
fi
# Set RPM_DIST_VERSION to VERSION_ID from /etc/os-release after splitting on
# '.' characters (e.g. "8.0" becomes "8"). If the command exits with an
# error, RPM_DIST_VERSION is set to "unknown".
RPM_DIST_VERSION=$( (. /etc/os-release 2> /dev/null && echo "$VERSION_ID") | cut -d '.' -f1 || echo "unknown")
# If RPM_DIST_VERSION is an empty string or it contains any nonnumeric
# characters, the value is unexpected so we set RPM_DIST_VERSION to 0.
if [ -z "$RPM_DIST_VERSION" ] || [ -n "$(echo "$RPM_DIST_VERSION" | tr -d '[0-9]')" ]; then
RPM_DIST_VERSION=0
fi
# Handle legacy RPM distributions
if [ "$PYVER" -eq 26 ]; then
# Check if an automated bootstrap can be achieved on this system.
if ! Python36SclIsAvailable; then
INTERACTIVE_BOOTSTRAP=1
fi
Bootstrap() {
BootstrapMessage "Legacy RedHat-based OSes that will use Python3"
BootstrapRpmPython3Legacy
}
USE_PYTHON_3=1
BOOTSTRAP_VERSION="BootstrapRpmPython3Legacy $BOOTSTRAP_RPM_PYTHON3_LEGACY_VERSION"
# Try now to enable SCL rh-python36 for systems already bootstrapped
# NB: EnablePython36SCL has been defined along with BootstrapRpmPython3Legacy in certbot-auto
EnablePython36SCL
else
# Starting to Fedora 29, python2 is on a deprecation path. Let's move to python3 then.
# RHEL 8 also uses python3 by default.
if [ "$RPM_DIST_NAME" = "fedora" -a "$RPM_DIST_VERSION" -ge 29 ]; then
RPM_USE_PYTHON_3=1
elif [ "$RPM_DIST_NAME" = "rhel" -a "$RPM_DIST_VERSION" -ge 8 ]; then
RPM_USE_PYTHON_3=1
elif [ "$RPM_DIST_NAME" = "centos" -a "$RPM_DIST_VERSION" -ge 8 ]; then
RPM_USE_PYTHON_3=1
else
RPM_USE_PYTHON_3=0
fi
if [ "$RPM_USE_PYTHON_3" = 1 ]; 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 $BOOTSTRAP_RPM_COMMON_VERSION"
fi
fi
LE_PYTHON="$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
if [ "$DEPRECATED_OS" = 1 ]; then
Bootstrap() {
error "Skipping bootstrap because certbot-auto is deprecated on this system."
}
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
insecure when we can be reasonably confident there is a problem
regardless of the underlying OS.
[1] https://www.debian.org/doc/debian-policy/ch-opersys.html#uid-and-gid-classes
[2] https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/6/html/deployment_guide/ch-managing_users_and_groups
[3] https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/7/html/system_administrators_guide/ch-managing_users_and_groups
:param str path: filesystem path to check
:returns: True if the path has secure permissions, otherwise, False
:rtype: bool
"""
# os.stat follows symlinks before obtaining information about a file.
stat_result = os.stat(path)
if stat_result.st_mode & stat.S_IWOTH:
return False
if stat_result.st_mode & stat.S_IWGRP and stat_result.st_gid >= 1000:
return False
if stat_result.st_mode & stat.S_IWUSR and stat_result.st_uid >= 1000:
return False
return True
def main(certbot_auto_path):
current_path = os.path.realpath(certbot_auto_path)
last_path = None
permissions_ok = True
# This loop makes use of the fact that os.path.dirname('/') == '/'.
while current_path != last_path and permissions_ok:
permissions_ok = has_safe_permissions(current_path)
last_path = current_path
current_path = os.path.dirname(current_path)
if not permissions_ok:
print('{0} has insecure permissions!'.format(certbot_auto_path))
print('To learn how to fix them, visit {0}'.format(FORUM_POST_URL))
if __name__ == '__main__':
main(sys.argv[1])
UNLIKELY_EOF
}
if [ "$1" = "--le-auto-phase2" ]; then
# Phase 2: Create venv, install LE, and run.
shift 1 # the --le-auto-phase2 arg
if [ "$DEPRECATED_OS" = 1 ]; then
# Phase 2 damage control mode for deprecated OSes.
# In this situation, we bypass any bootstrap or certbot venv setup.
error "Your system is not supported by certbot-auto anymore."
if [ ! -d "$VENV_PATH" ] && OldVenvExists; then
VENV_BIN="$OLD_VENV_PATH/bin"
fi
if [ -f "$VENV_BIN/letsencrypt" -a "$INSTALL_ONLY" != 1 ]; then
error "Certbot will no longer receive updates."
error "Please visit https://certbot.eff.org/ to check for other alternatives."
"$VENV_BIN/letsencrypt" "$@"
exit 0
else
error "Certbot cannot be installed."
error "Please visit https://certbot.eff.org/ to check for other alternatives."
exit 1
fi
fi
SetPrevBootstrapVersion
if [ -z "$PHASE_1_VERSION" -a "$USE_PYTHON_3" = 1 ]; then
unset LE_PYTHON
fi
INSTALLED_VERSION="none"
if [ -d "$VENV_PATH" ] || OldVenvExists; then
# If the selected Bootstrap function isn't a noop and it differs from the
# previously used version
if [ -n "$BOOTSTRAP_VERSION" -a "$BOOTSTRAP_VERSION" != "$PREV_BOOTSTRAP_VERSION" ]; then
# Check if we can rebootstrap without manual user intervention: this requires that
# certbot-auto is in non-interactive mode AND selected bootstrap does not claim to
# require a manual user intervention.
if [ "$NONINTERACTIVE" = 1 -a "$INTERACTIVE_BOOTSTRAP" != 1 ]; then
CAN_REBOOTSTRAP=1
fi
# Check if rebootstrap can be done non-interactively and current shell is non-interactive
# (true if stdin and stdout are not attached to a terminal).
if [ \( "$CAN_REBOOTSTRAP" = 1 \) -o \( \( -t 0 \) -a \( -t 1 \) \) ]; then
if [ -d "$VENV_PATH" ]; then
rm -rf "$VENV_PATH"
fi
# In the case the old venv was just a symlink to the new one,
# OldVenvExists is now false because we deleted the venv at VENV_PATH.
if OldVenvExists; then
rm -rf "$OLD_VENV_PATH"
ln -s "$VENV_PATH" "$OLD_VENV_PATH"
fi
RerunWithArgs "$@"
# Otherwise bootstrap needs to be done manually by the user.
else
# If it is because bootstrapping is interactive, --non-interactive will be of no use.
if [ "$INTERACTIVE_BOOTSTRAP" = 1 ]; then
error "Skipping upgrade because new OS dependencies may need to be installed."
error "This requires manual user intervention: please run this script again manually."
# If this is because of the environment (eg. non interactive shell without
# --non-interactive flag set), help the user in that direction.
else
error "Skipping upgrade because new OS dependencies may need to be installed."
error
error "To upgrade to a newer version, please run this script again manually so you can"
error "approve changes or with --non-interactive on the command line to automatically"
error "install any required packages."
fi
# Set INSTALLED_VERSION to be the same so we don't update the venv
INSTALLED_VERSION="$LE_AUTO_VERSION"
# Continue to use OLD_VENV_PATH if the new venv doesn't exist
if [ ! -d "$VENV_PATH" ]; then
VENV_BIN="$OLD_VENV_PATH/bin"
fi
fi
elif [ -f "$VENV_BIN/letsencrypt" ]; then
# --version output ran through grep due to python-cryptography DeprecationWarnings
# grep for both certbot and letsencrypt until certbot and shim packages have been released
INSTALLED_VERSION=$("$VENV_BIN/letsencrypt" --version 2>&1 | grep "^certbot\|^letsencrypt" | cut -d " " -f 2)
if [ -z "$INSTALLED_VERSION" ]; then
error "Error: couldn't get currently installed version for $VENV_BIN/letsencrypt: " 1>&2
"$VENV_BIN/letsencrypt" --version
exit 1
fi
fi
fi
if [ "$LE_AUTO_VERSION" != "$INSTALLED_VERSION" ]; then
say "Creating virtual environment..."
DeterminePythonVersion
CreateVenv "$LE_PYTHON" "$VENV_PATH" "$PYVER" "$VERBOSE"
if [ -n "$BOOTSTRAP_VERSION" ]; then
echo "$BOOTSTRAP_VERSION" > "$BOOTSTRAP_VERSION_PATH"
elif [ -n "$PREV_BOOTSTRAP_VERSION" ]; then
echo "$PREV_BOOTSTRAP_VERSION" > "$BOOTSTRAP_VERSION_PATH"
fi
say "Installing Python packages..."
TEMP_DIR=$(TempDir)
trap 'rm -rf "$TEMP_DIR"' EXIT
# There is no $ interpolation due to quotes on starting heredoc delimiter.
# -------------------------------------------------------------------------
cat << "UNLIKELY_EOF" > "$TEMP_DIR/letsencrypt-auto-requirements.txt"
# This is the flattened list of packages certbot-auto installs.
# To generate this, do (with docker and package hashin installed):
# ```
# letsencrypt-auto-source/rebuild_dependencies.py \
# letsencrypt-auto-source/pieces/dependency-requirements.txt
# ```
# If you want to update a single dependency, run commands similar to these:
# ```
# pip install hashin
# hashin -r dependency-requirements.txt cryptography==1.5.2
# ```
ConfigArgParse==1.0 \
--hash=sha256:bf378245bc9cdc403a527e5b7406b991680c2a530e7e81af747880b54eb57133
certifi==2019.11.28 \
--hash=sha256:017c25db2a153ce562900032d5bc68e9f191e44e9a0f762f373977de9df1fbb3 \
--hash=sha256:25b64c7da4cd7479594d035c08c2d809eb4aab3a26e5a990ea98cc450c320f1f
cffi==1.13.2 \
--hash=sha256:0b49274afc941c626b605fb59b59c3485c17dc776dc3cc7cc14aca74cc19cc42 \
--hash=sha256:0e3ea92942cb1168e38c05c1d56b0527ce31f1a370f6117f1d490b8dcd6b3a04 \
--hash=sha256:135f69aecbf4517d5b3d6429207b2dff49c876be724ac0c8bf8e1ea99df3d7e5 \
--hash=sha256:19db0cdd6e516f13329cba4903368bff9bb5a9331d3410b1b448daaadc495e54 \
--hash=sha256:2781e9ad0e9d47173c0093321bb5435a9dfae0ed6a762aabafa13108f5f7b2ba \
--hash=sha256:291f7c42e21d72144bb1c1b2e825ec60f46d0a7468f5346841860454c7aa8f57 \
--hash=sha256:2c5e309ec482556397cb21ede0350c5e82f0eb2621de04b2633588d118da4396 \
--hash=sha256:2e9c80a8c3344a92cb04661115898a9129c074f7ab82011ef4b612f645939f12 \
--hash=sha256:32a262e2b90ffcfdd97c7a5e24a6012a43c61f1f5a57789ad80af1d26c6acd97 \
--hash=sha256:3c9fff570f13480b201e9ab69453108f6d98244a7f495e91b6c654a47486ba43 \
--hash=sha256:415bdc7ca8c1c634a6d7163d43fb0ea885a07e9618a64bda407e04b04333b7db \
--hash=sha256:42194f54c11abc8583417a7cf4eaff544ce0de8187abaf5d29029c91b1725ad3 \
--hash=sha256:4424e42199e86b21fc4db83bd76909a6fc2a2aefb352cb5414833c030f6ed71b \
--hash=sha256:4a43c91840bda5f55249413037b7a9b79c90b1184ed504883b72c4df70778579 \
--hash=sha256:599a1e8ff057ac530c9ad1778293c665cb81a791421f46922d80a86473c13346 \
--hash=sha256:5c4fae4e9cdd18c82ba3a134be256e98dc0596af1e7285a3d2602c97dcfa5159 \
--hash=sha256:5ecfa867dea6fabe2a58f03ac9186ea64da1386af2159196da51c4904e11d652 \
--hash=sha256:62f2578358d3a92e4ab2d830cd1c2049c9c0d0e6d3c58322993cc341bdeac22e \
--hash=sha256:6471a82d5abea994e38d2c2abc77164b4f7fbaaf80261cb98394d5793f11b12a \
--hash=sha256:6d4f18483d040e18546108eb13b1dfa1000a089bcf8529e30346116ea6240506 \
--hash=sha256:71a608532ab3bd26223c8d841dde43f3516aa5d2bf37b50ac410bb5e99053e8f \
--hash=sha256:74a1d8c85fb6ff0b30fbfa8ad0ac23cd601a138f7509dc617ebc65ef305bb98d \
--hash=sha256:7b93a885bb13073afb0aa73ad82059a4c41f4b7d8eb8368980448b52d4c7dc2c \
--hash=sha256:7d4751da932caaec419d514eaa4215eaf14b612cff66398dd51129ac22680b20 \
--hash=sha256:7f627141a26b551bdebbc4855c1157feeef18241b4b8366ed22a5c7d672ef858 \
--hash=sha256:8169cf44dd8f9071b2b9248c35fc35e8677451c52f795daa2bb4643f32a540bc \
--hash=sha256:aa00d66c0fab27373ae44ae26a66a9e43ff2a678bf63a9c7c1a9a4d61172827a \
--hash=sha256:ccb032fda0873254380aa2bfad2582aedc2959186cce61e3a17abc1a55ff89c3 \
--hash=sha256:d754f39e0d1603b5b24a7f8484b22d2904fa551fe865fd0d4c3332f078d20d4e \
--hash=sha256:d75c461e20e29afc0aee7172a0950157c704ff0dd51613506bd7d82b718e7410 \
--hash=sha256:dcd65317dd15bc0451f3e01c80da2216a31916bdcffd6221ca1202d96584aa25 \
--hash=sha256:e570d3ab32e2c2861c4ebe6ffcad6a8abf9347432a37608fe1fbd157b3f0036b \
--hash=sha256:fd43a88e045cf992ed09fa724b5315b790525f2676883a6ea64e3263bae6549d
chardet==3.0.4 \
--hash=sha256:84ab92ed1c4d4f16916e05906b6b75a6c0fb5db821cc65e70cbd64a3e2a5eaae \
--hash=sha256:fc323ffcaeaed0e0a02bf4d117757b98aed530d9ed4531e3e15460124c106691
configobj==5.0.6 \
--hash=sha256:a2f5650770e1c87fb335af19a9b7eb73fc05ccf22144eb68db7d00cd2bcb0902
cryptography==2.8 \
--hash=sha256:02079a6addc7b5140ba0825f542c0869ff4df9a69c360e339ecead5baefa843c \
--hash=sha256:1df22371fbf2004c6f64e927668734070a8953362cd8370ddd336774d6743595 \
--hash=sha256:369d2346db5934345787451504853ad9d342d7f721ae82d098083e1f49a582ad \
--hash=sha256:3cda1f0ed8747339bbdf71b9f38ca74c7b592f24f65cdb3ab3765e4b02871651 \
--hash=sha256:44ff04138935882fef7c686878e1c8fd80a723161ad6a98da31e14b7553170c2 \
--hash=sha256:4b1030728872c59687badcca1e225a9103440e467c17d6d1730ab3d2d64bfeff \
--hash=sha256:58363dbd966afb4f89b3b11dfb8ff200058fbc3b947507675c19ceb46104b48d \
--hash=sha256:6ec280fb24d27e3d97aa731e16207d58bd8ae94ef6eab97249a2afe4ba643d42 \
--hash=sha256:7270a6c29199adc1297776937a05b59720e8a782531f1f122f2eb8467f9aab4d \
--hash=sha256:73fd30c57fa2d0a1d7a49c561c40c2f79c7d6c374cc7750e9ac7c99176f6428e \
--hash=sha256:7f09806ed4fbea8f51585231ba742b58cbcfbfe823ea197d8c89a5e433c7e912 \
--hash=sha256:90df0cc93e1f8d2fba8365fb59a858f51a11a394d64dbf3ef844f783844cc793 \
--hash=sha256:971221ed40f058f5662a604bd1ae6e4521d84e6cad0b7b170564cc34169c8f13 \
--hash=sha256:a518c153a2b5ed6b8cc03f7ae79d5ffad7315ad4569b2d5333a13c38d64bd8d7 \
--hash=sha256:b0de590a8b0979649ebeef8bb9f54394d3a41f66c5584fff4220901739b6b2f0 \
--hash=sha256:b43f53f29816ba1db8525f006fa6f49292e9b029554b3eb56a189a70f2a40879 \
--hash=sha256:d31402aad60ed889c7e57934a03477b572a03af7794fa8fb1780f21ea8f6551f \
--hash=sha256:de96157ec73458a7f14e3d26f17f8128c959084931e8997b9e655a39c8fde9f9 \
--hash=sha256:df6b4dca2e11865e6cfbfb708e800efb18370f5a46fd601d3755bc7f85b3a8a2 \
--hash=sha256:ecadccc7ba52193963c0475ac9f6fa28ac01e01349a2ca48509667ef41ffd2cf \
--hash=sha256:fb81c17e0ebe3358486cd8cc3ad78adbae58af12fc2bf2bc0bb84e8090fa5ce8
distro==1.4.0 \
--hash=sha256:362dde65d846d23baee4b5c058c8586f219b5a54be1cf5fc6ff55c4578392f57 \
--hash=sha256:eedf82a470ebe7d010f1872c17237c79ab04097948800029994fa458e52fb4b4
enum34==1.1.6 \
--hash=sha256:2d81cbbe0e73112bdfe6ef8576f2238f2ba27dd0d55752a776c41d38b7da2850 \
--hash=sha256:644837f692e5f550741432dd3f223bbb9852018674981b1664e5dc339387588a \
--hash=sha256:6bd0f6ad48ec2aa117d3d141940d484deccda84d4fcd884f5c3d93c23ecd8c79 \
--hash=sha256:8ad8c4783bf61ded74527bffb48ed9b54166685e4230386a9ed9b1279e2df5b1
funcsigs==1.0.2 \
--hash=sha256:330cc27ccbf7f1e992e69fef78261dc7c6569012cf397db8d3de0234e6c937ca \
--hash=sha256:a7bb0f2cf3a3fd1ab2732cb49eba4252c2af4240442415b4abce3b87022a8f50
idna==2.8 \
--hash=sha256:c357b3f628cf53ae2c4c05627ecc484553142ca23264e593d327bcde5e9c3407 \
--hash=sha256:ea8b7f6188e6fa117537c3df7da9fc686d485087abf6ac197f9c46432f7e4a3c
ipaddress==1.0.23 \
--hash=sha256:6e0f4a39e66cb5bb9a137b00276a2eff74f93b71dcbdad6f10ff7df9d3557fcc \
--hash=sha256:b7f8e0369580bb4a24d5ba1d7cc29660a4a6987763faf1d8a8046830e020e7e2
josepy==1.2.0 \
--hash=sha256:8ea15573203f28653c00f4ac0142520777b1c59d9eddd8da3f256c6ba3cac916 \
--hash=sha256:9cec9a839fe9520f0420e4f38e7219525daccce4813296627436fe444cd002d3
mock==1.3.0 \
--hash=sha256:1e247dbecc6ce057299eb7ee019ad68314bb93152e81d9a6110d35f4d5eca0f6 \
--hash=sha256:3f573a18be94de886d1191f27c168427ef693e8dcfcecf95b170577b2eb69cbb
parsedatetime==2.5 \
--hash=sha256:3b835fc54e472c17ef447be37458b400e3fefdf14bb1ffdedb5d2c853acf4ba1 \
--hash=sha256:d2e9ddb1e463de871d32088a3f3cea3dc8282b1b2800e081bd0ef86900451667
pbr==5.4.4 \
--hash=sha256:139d2625547dbfa5fb0b81daebb39601c478c21956dc57e2e07b74450a8c506b \
--hash=sha256:61aa52a0f18b71c5cc58232d2cf8f8d09cd67fcad60b742a60124cb8d6951488
pyOpenSSL==19.1.0 \
--hash=sha256:621880965a720b8ece2f1b2f54ea2071966ab00e2970ad2ce11d596102063504 \
--hash=sha256:9a24494b2602aaf402be5c9e30a0b82d4a5c67528fe8fb475e3f3bc00dd69507
pyRFC3339==1.1 \
--hash=sha256:67196cb83b470709c580bb4738b83165e67c6cc60e1f2e4f286cfcb402a926f4 \
--hash=sha256:81b8cbe1519cdb79bed04910dd6fa4e181faf8c88dff1e1b987b5f7ab23a5b1a
pycparser==2.19 \
--hash=sha256:a988718abfad80b6b157acce7bf130a30876d27603738ac39f140993246b25b3
pyparsing==2.4.6 \
--hash=sha256:4c830582a84fb022400b85429791bc551f1f4871c33f23e44f353119e92f969f \
--hash=sha256:c342dccb5250c08d45fd6f8b4a559613ca603b57498511740e65cd11a2e7dcec
python-augeas==0.5.0 \
--hash=sha256:67d59d66cdba8d624e0389b87b2a83a176f21f16a87553b50f5703b23f29bac2
pytz==2019.3 \
--hash=sha256:1c557d7d0e871de1f5ccd5833f60fb2550652da6be2693c1e02300743d21500d \
--hash=sha256:b02c06db6cf09c12dd25137e563b31700d3b80fcc4ad23abb7a315f2789819be
requests==2.22.0 \
--hash=sha256:11e007a8a2aa0323f5a921e9e6a2d7e4e67d9877e85773fba9ba6419025cbeb4 \
--hash=sha256:9cf5292fcd0f598c671cfc1e0d7d1a7f13bb8085e9a590f48c010551dc6c4b31
requests-toolbelt==0.9.1 \
--hash=sha256:380606e1d10dc85c3bd47bf5a6095f815ec007be7a8b69c878507068df059e6f \
--hash=sha256:968089d4584ad4ad7c171454f0a5c6dac23971e9472521ea3b6d49d610aa6fc0
six==1.14.0 \
--hash=sha256:236bdbdce46e6e6a3d61a337c0f8b763ca1e8717c03b369e87a7ec7ce1319c0a \
--hash=sha256:8f3cd2e254d8f793e7f3d6d9df77b92252b52637291d0f0da013c76ea2724b6c
urllib3==1.25.8 \
--hash=sha256:2f3db8b19923a873b3e5256dc9c2dedfa883e33d87c690d9c7913e1f40673cdc \
--hash=sha256:87716c2d2a7121198ebcb7ce7cccf6ce5e9ba539041cfbaeecfb641dc0bf6acc
zope.component==4.6 \
--hash=sha256:ec2afc5bbe611dcace98bb39822c122d44743d635dafc7315b9aef25097db9e6
zope.deferredimport==4.3.1 \
--hash=sha256:57b2345e7b5eef47efcd4f634ff16c93e4265de3dcf325afc7315ade48d909e1 \
--hash=sha256:9a0c211df44aa95f1c4e6d2626f90b400f56989180d3ef96032d708da3d23e0a
zope.deprecation==4.4.0 \
--hash=sha256:0d453338f04bacf91bbfba545d8bcdf529aa829e67b705eac8c1a7fdce66e2df \
--hash=sha256:f1480b74995958b24ce37b0ef04d3663d2683e5d6debc96726eff18acf4ea113
zope.event==4.4 \
--hash=sha256:69c27debad9bdacd9ce9b735dad382142281ac770c4a432b533d6d65c4614bcf \
--hash=sha256:d8e97d165fd5a0997b45f5303ae11ea3338becfe68c401dd88ffd2113fe5cae7
zope.hookable==5.0.0 \
--hash=sha256:0992a0dd692003c09fb958e1480cebd1a28f2ef32faa4857d864f3ca8e9d6952 \
--hash=sha256:0f325838dbac827a1e2ed5d482c1f2656b6844dc96aa098f7727e76395fcd694 \
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--hash=sha256:fcc3513a54e656067cbf7b98bab0d6b9534b9eabc666d1f78aad6acdf0962736
zope.interface==4.7.1 \
--hash=sha256:048b16ac882a05bc7ef534e8b9f15c9d7a6c190e24e8938a19b7617af4ed854a \
--hash=sha256:05816cf8e7407cf62f2ec95c0a5d69ec4fa5741d9ccd10db9f21691916a9a098 \
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zope.proxy==4.3.3 \
--hash=sha256:04646ac04ffa9c8e32fb2b5c3cd42995b2548ea14251f3c21ca704afae88e42c \
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--hash=sha256:ffdafb98db7574f9da84c489a10a5d582079a888cb43c64e9e6b0e3fe1034685
# Contains the requirements for the letsencrypt package.
#
# Since the letsencrypt package depends on certbot and using pip with hashes
# requires that all installed packages have hashes listed, this allows
# dependency-requirements.txt to be used without requiring a hash for a
# (potentially unreleased) Certbot package.
letsencrypt==0.7.0 \
--hash=sha256:105a5fb107e45bcd0722eb89696986dcf5f08a86a321d6aef25a0c7c63375ade \
--hash=sha256:c36e532c486a7e92155ee09da54b436a3c420813ec1c590b98f635d924720de9
certbot==1.3.0 \
--hash=sha256:979793b36151be26c159f1946d065a0cbbcaed3e9ac452c19a142b0d2d2b42e3 \
--hash=sha256:bc2091cbbc2f432872ed69309046e79771d9c81cd441bde3e6a6553ecd04b1d8
acme==1.3.0 \
--hash=sha256:b888757c750e393407a3cdf0eb5c2d06036951e10c41db4c83537617568561b6 \
--hash=sha256:c0de9e1fbcb4a28509825a4d19ab5455910862b23fa338acebc7bbe7c0abd20d
certbot-apache==1.3.0 \
--hash=sha256:1050cd262bcc598957c45a6fa1febdf5e41e87176c0aebad3a1ab7268b0d82d9 \
--hash=sha256:4a6bb818a7a70803127590a54bb25c1e79810761c9d4c92cf9f16a56b518bd52
certbot-nginx==1.3.0 \
--hash=sha256:46106b96429d1aaf3765635056352d2372941027a3bc26bbf964e4329202adc7 \
--hash=sha256:9aa0869c1250b7ea0a1eb1df6bdb5d0d6190d6ca0400da1033a8decc0df6f65b
UNLIKELY_EOF
# -------------------------------------------------------------------------
cat << "UNLIKELY_EOF" > "$TEMP_DIR/pipstrap.py"
#!/usr/bin/env python
"""A small script that can act as a trust root for installing pip >=8
Embed this in your project, and your VCS checkout is all you have to trust. In
a post-peep era, this lets you claw your way to a hash-checking version of pip,
with which you can install the rest of your dependencies safely. All it assumes
is Python 2.6 or better and *some* version of pip already installed. If
anything goes wrong, it will exit with a non-zero status code.
"""
# This is here so embedded copies are MIT-compliant:
# Copyright (c) 2016 Erik Rose
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to
# deal in the Software without restriction, including without limitation the
# rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
# sell copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
from __future__ import print_function
from distutils.version import StrictVersion
from hashlib import sha256
from os import environ
from os.path import join
from shutil import rmtree
try:
from subprocess import check_output
except ImportError:
from subprocess import CalledProcessError, PIPE, Popen
def check_output(*popenargs, **kwargs):
if 'stdout' in kwargs:
raise ValueError('stdout argument not allowed, it will be '
'overridden.')
process = Popen(stdout=PIPE, *popenargs, **kwargs)
output, unused_err = process.communicate()
retcode = process.poll()
if retcode:
cmd = kwargs.get("args")
if cmd is None:
cmd = popenargs[0]
raise CalledProcessError(retcode, cmd)
return output
import sys
from tempfile import mkdtemp
try:
from urllib2 import build_opener, HTTPHandler, HTTPSHandler
except ImportError:
from urllib.request import build_opener, HTTPHandler, HTTPSHandler
try:
from urlparse import urlparse
except ImportError:
from urllib.parse import urlparse # 3.4
__version__ = 1, 5, 1
PIP_VERSION = '9.0.1'
DEFAULT_INDEX_BASE = 'https://pypi.python.org'
# wheel has a conditional dependency on argparse:
maybe_argparse = (
[('18/dd/e617cfc3f6210ae183374cd9f6a26b20514bbb5a792af97949c5aacddf0f/'
'argparse-1.4.0.tar.gz',
'62b089a55be1d8949cd2bc7e0df0bddb9e028faefc8c32038cc84862aefdd6e4')]
if sys.version_info < (2, 7, 0) else [])
PACKAGES = maybe_argparse + [
# Pip has no dependencies, as it vendors everything:
('11/b6/abcb525026a4be042b486df43905d6893fb04f05aac21c32c638e939e447/'
'pip-{0}.tar.gz'.format(PIP_VERSION),
'09f243e1a7b461f654c26a725fa373211bb7ff17a9300058b205c61658ca940d'),
# This version of setuptools has only optional dependencies:
('37/1b/b25507861991beeade31473868463dad0e58b1978c209de27384ae541b0b/'
'setuptools-40.6.3.zip',
'3b474dad69c49f0d2d86696b68105f3a6f195f7ab655af12ef9a9c326d2b08f8'),
('c9/1d/bd19e691fd4cfe908c76c429fe6e4436c9e83583c4414b54f6c85471954a/'
'wheel-0.29.0.tar.gz',
'1ebb8ad7e26b448e9caa4773d2357849bf80ff9e313964bcaf79cbf0201a1648')
]
class HashError(Exception):
def __str__(self):
url, path, actual, expected = self.args
return ('{url} did not match the expected hash {expected}. Instead, '
'it was {actual}. The file (left at {path}) may have been '
'tampered with.'.format(**locals()))
def hashed_download(url, temp, digest):
"""Download ``url`` to ``temp``, make sure it has the SHA-256 ``digest``,
and return its path."""
# Based on pip 1.4.1's URLOpener but with cert verification removed. Python
# >=2.7.9 verifies HTTPS certs itself, and, in any case, the cert
# authenticity has only privacy (not arbitrary code execution)
# implications, since we're checking hashes.
def opener(using_https=True):
opener = build_opener(HTTPSHandler())
if using_https:
# Strip out HTTPHandler to prevent MITM spoof:
for handler in opener.handlers:
if isinstance(handler, HTTPHandler):
opener.handlers.remove(handler)
return opener
def read_chunks(response, chunk_size):
while True:
chunk = response.read(chunk_size)
if not chunk:
break
yield chunk
parsed_url = urlparse(url)
response = opener(using_https=parsed_url.scheme == 'https').open(url)
path = join(temp, parsed_url.path.split('/')[-1])
actual_hash = sha256()
with open(path, 'wb') as file:
for chunk in read_chunks(response, 4096):
file.write(chunk)
actual_hash.update(chunk)
actual_digest = actual_hash.hexdigest()
if actual_digest != digest:
raise HashError(url, path, actual_digest, digest)
return path
def get_index_base():
"""Return the URL to the dir containing the "packages" folder.
Try to wring something out of PIP_INDEX_URL, if set. Hack "/simple" off the
end if it's there; that is likely to give us the right dir.
"""
env_var = environ.get('PIP_INDEX_URL', '').rstrip('/')
if env_var:
SIMPLE = '/simple'
if env_var.endswith(SIMPLE):
return env_var[:-len(SIMPLE)]
else:
return env_var
else:
return DEFAULT_INDEX_BASE
def main():
python = sys.executable or 'python'
pip_version = StrictVersion(check_output([python, '-m', 'pip', '--version'])
.decode('utf-8').split()[1])
has_pip_cache = pip_version >= StrictVersion('6.0')
index_base = get_index_base()
temp = mkdtemp(prefix='pipstrap-')
try:
downloads = [hashed_download(index_base + '/packages/' + path,
temp,
digest)
for path, digest in PACKAGES]
# Calling pip as a module is the preferred way to avoid problems about pip self-upgrade.
command = [python, '-m', 'pip', 'install', '--no-index', '--no-deps', '-U']
# Disable cache since it is not used and it otherwise sometimes throws permission warnings:
command.extend(['--no-cache-dir'] if has_pip_cache else [])
command.extend(downloads)
check_output(command)
except HashError as exc:
print(exc)
except Exception:
rmtree(temp)
raise
else:
rmtree(temp)
return 0
return 1
if __name__ == '__main__':
sys.exit(main())
UNLIKELY_EOF
# -------------------------------------------------------------------------
# Set PATH so pipstrap upgrades the right (v)env:
PATH="$VENV_BIN:$PATH" "$VENV_BIN/python" "$TEMP_DIR/pipstrap.py"
set +e
if [ "$VERBOSE" = 1 ]; then
"$VENV_BIN/pip" install --disable-pip-version-check --no-cache-dir --require-hashes -r "$TEMP_DIR/letsencrypt-auto-requirements.txt"
else
PIP_OUT=`"$VENV_BIN/pip" install --disable-pip-version-check --no-cache-dir --require-hashes -r "$TEMP_DIR/letsencrypt-auto-requirements.txt" 2>&1`
fi
PIP_STATUS=$?
set -e
if [ "$PIP_STATUS" != 0 ]; then
# Report error. (Otherwise, be quiet.)
error "Had a problem while installing Python packages."
if [ "$VERBOSE" != 1 ]; then
error
error "pip prints the following errors: "
error "====================================================="
error "$PIP_OUT"
error "====================================================="
error
error "Certbot has problem setting up the virtual environment."
if `echo $PIP_OUT | grep -q Killed` || `echo $PIP_OUT | grep -q "allocate memory"` ; then
error
error "Based on your pip output, the problem can likely be fixed by "
error "increasing the available memory."
else
error
error "We were not be able to guess the right solution from your pip "
error "output."
fi
error
error "Consult https://certbot.eff.org/docs/install.html#problems-with-python-virtual-environment"
error "for possible solutions."
error "You may also find some support resources at https://certbot.eff.org/support/ ."
fi
rm -rf "$VENV_PATH"
exit 1
fi
if [ -d "$OLD_VENV_PATH" -a ! -L "$OLD_VENV_PATH" ]; then
rm -rf "$OLD_VENV_PATH"
ln -s "$VENV_PATH" "$OLD_VENV_PATH"
fi
say "Installation succeeded."
fi
# If you're modifying any of the code after this point in this current `if` block, you
# may need to update the "$DEPRECATED_OS" = 1 case at the beginning of phase 2 as well.
if [ "$INSTALL_ONLY" = 1 ]; then
say "Certbot is installed."
exit 0
fi
"$VENV_BIN/letsencrypt" "$@"
else
# Phase 1: Upgrade certbot-auto if necessary, then self-invoke.
#
# Each phase checks the version of only the thing it is responsible for
# upgrading. Phase 1 checks the version of the latest release of
# certbot-auto (which is always the same as that of the certbot
# package). Phase 2 checks the version of the locally installed certbot.
export PHASE_1_VERSION="$LE_AUTO_VERSION"
if [ ! -f "$VENV_BIN/letsencrypt" ]; then
if ! OldVenvExists; then
if [ "$HELP" = 1 ]; then
echo "$USAGE"
exit 0
fi
# If it looks like we've never bootstrapped before, bootstrap:
Bootstrap
fi
fi
if [ "$OS_PACKAGES_ONLY" = 1 ]; then
say "OS packages installed."
exit 0
fi
DeterminePythonVersion "NOCRASH"
# Don't warn about file permissions if the user disabled the check or we
# can't find an up-to-date Python.
if [ "$PYVER" -ge "$MIN_PYVER" -a "$NO_PERMISSIONS_CHECK" != 1 ]; then
# If the script fails for some reason, don't break certbot-auto.
set +e
# Suppress unexpected error output.
CHECK_PERM_OUT=$(CheckPathPermissions "$LE_PYTHON" "$0" 2>/dev/null)
CHECK_PERM_STATUS="$?"
set -e
# Only print output if the script ran successfully and it actually produced
# output. The latter check resolves
# https://github.com/certbot/certbot/issues/7012.
if [ "$CHECK_PERM_STATUS" = 0 -a -n "$CHECK_PERM_OUT" ]; then
error "$CHECK_PERM_OUT"
fi
fi
if [ "$NO_SELF_UPGRADE" != 1 ]; then
TEMP_DIR=$(TempDir)
trap 'rm -rf "$TEMP_DIR"' EXIT
# ---------------------------------------------------------------------------
cat << "UNLIKELY_EOF" > "$TEMP_DIR/fetch.py"
"""Do downloading and JSON parsing without additional dependencies. ::
# Print latest released version of LE to stdout:
python fetch.py --latest-version
# Download letsencrypt-auto script from git tag v1.2.3 into the folder I'm
# in, and make sure its signature verifies:
python fetch.py --le-auto-script v1.2.3
On failure, return non-zero.
"""
from __future__ import print_function, unicode_literals
from distutils.version import LooseVersion
from json import loads
from os import devnull, environ
from os.path import dirname, join
import re
import ssl
from subprocess import check_call, CalledProcessError
from sys import argv, exit
try:
from urllib2 import build_opener, HTTPHandler, HTTPSHandler
from urllib2 import HTTPError, URLError
except ImportError:
from urllib.request import build_opener, HTTPHandler, HTTPSHandler
from urllib.error import HTTPError, URLError
PUBLIC_KEY = environ.get('LE_AUTO_PUBLIC_KEY', """-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA6MR8W/galdxnpGqBsYbq
OzQb2eyW15YFjDDEMI0ZOzt8f504obNs920lDnpPD2/KqgsfjOgw2K7xWDJIj/18
xUvWPk3LDkrnokNiRkA3KOx3W6fHycKL+zID7zy+xZYBuh2fLyQtWV1VGQ45iNRp
9+Zo7rH86cdfgkdnWTlNSHyTLW9NbXvyv/E12bppPcEvgCTAQXgnDVJ0/sqmeiij
n9tTFh03aM+R2V/21h8aTraAS24qiPCz6gkmYGC8yr6mglcnNoYbsLNYZ69zF1XH
cXPduCPdPdfLlzVlKK1/U7hkA28eG3BIAMh6uJYBRJTpiGgaGdPd7YekUB8S6cy+
CQIDAQAB
-----END PUBLIC KEY-----
""")
class ExpectedError(Exception):
"""A novice-readable exception that also carries the original exception for
debugging"""
class HttpsGetter(object):
def __init__(self):
"""Build an HTTPS opener."""
# Based on pip 1.4.1's URLOpener
# This verifies certs on only Python >=2.7.9, and when NO_CERT_VERIFY isn't set.
if environ.get('NO_CERT_VERIFY') == '1' and hasattr(ssl, 'SSLContext'):
self._opener = build_opener(HTTPSHandler(context=cert_none_context()))
else:
self._opener = build_opener(HTTPSHandler())
# Strip out HTTPHandler to prevent MITM spoof:
for handler in self._opener.handlers:
if isinstance(handler, HTTPHandler):
self._opener.handlers.remove(handler)
def get(self, url):
"""Return the document contents pointed to by an HTTPS URL.
If something goes wrong (404, timeout, etc.), raise ExpectedError.
"""
try:
# socket module docs say default timeout is None: that is, no
# timeout
return self._opener.open(url, timeout=30).read()
except (HTTPError, IOError) as exc:
raise ExpectedError("Couldn't download %s." % url, exc)
def write(contents, dir, filename):
"""Write something to a file in a certain directory."""
with open(join(dir, filename), 'wb') as file:
file.write(contents)
def latest_stable_version(get):
"""Return the latest stable release of letsencrypt."""
metadata = loads(get(
environ.get('LE_AUTO_JSON_URL',
'https://pypi.python.org/pypi/certbot/json')).decode('UTF-8'))
# metadata['info']['version'] actually returns the latest of any kind of
# release release, contrary to https://wiki.python.org/moin/PyPIJSON.
# The regex is a sufficient regex for picking out prereleases for most
# packages, LE included.
return str(max(LooseVersion(r) for r
in metadata['releases'].keys()
if re.match('^[0-9.]+$', r)))
def verified_new_le_auto(get, tag, temp_dir):
"""Return the path to a verified, up-to-date letsencrypt-auto script.
If the download's signature does not verify or something else goes wrong
with the verification process, raise ExpectedError.
"""
le_auto_dir = environ.get(
'LE_AUTO_DIR_TEMPLATE',
'https://raw.githubusercontent.com/certbot/certbot/%s/'
'letsencrypt-auto-source/') % tag
write(get(le_auto_dir + 'letsencrypt-auto'), temp_dir, 'letsencrypt-auto')
write(get(le_auto_dir + 'letsencrypt-auto.sig'), temp_dir, 'letsencrypt-auto.sig')
write(PUBLIC_KEY.encode('UTF-8'), temp_dir, 'public_key.pem')
try:
with open(devnull, 'w') as dev_null:
check_call(['openssl', 'dgst', '-sha256', '-verify',
join(temp_dir, 'public_key.pem'),
'-signature',
join(temp_dir, 'letsencrypt-auto.sig'),
join(temp_dir, 'letsencrypt-auto')],
stdout=dev_null,
stderr=dev_null)
except CalledProcessError as exc:
raise ExpectedError("Couldn't verify signature of downloaded "
"certbot-auto.", exc)
def cert_none_context():
"""Create a SSLContext object to not check hostname."""
# PROTOCOL_TLS isn't available before 2.7.13 but this code is for 2.7.9+, so use this.
context = ssl.SSLContext(ssl.PROTOCOL_SSLv23)
context.verify_mode = ssl.CERT_NONE
return context
def main():
get = HttpsGetter().get
flag = argv[1]
try:
if flag == '--latest-version':
print(latest_stable_version(get))
elif flag == '--le-auto-script':
tag = argv[2]
verified_new_le_auto(get, tag, dirname(argv[0]))
except ExpectedError as exc:
print(exc.args[0], exc.args[1])
return 1
else:
return 0
if __name__ == '__main__':
exit(main())
UNLIKELY_EOF
# ---------------------------------------------------------------------------
if [ "$PYVER" -lt "$MIN_PYVER" ]; then
error "WARNING: couldn't find Python $MIN_PYTHON_VERSION+ to check for updates."
elif ! REMOTE_VERSION=`"$LE_PYTHON" "$TEMP_DIR/fetch.py" --latest-version` ; then
error "WARNING: unable to check for updates."
fi
# If for any reason REMOTE_VERSION is not set, let's assume certbot-auto is up-to-date,
# and do not go into the self-upgrading process.
if [ -n "$REMOTE_VERSION" ]; then
LE_VERSION_STATE=`CompareVersions "$LE_PYTHON" "$LE_AUTO_VERSION" "$REMOTE_VERSION"`
if [ "$LE_VERSION_STATE" = "UNOFFICIAL" ]; then
say "Unofficial certbot-auto version detected, self-upgrade is disabled: $LE_AUTO_VERSION"
elif [ "$LE_VERSION_STATE" = "OUTDATED" ]; then
say "Upgrading certbot-auto $LE_AUTO_VERSION to $REMOTE_VERSION..."
# Now we drop into Python so we don't have to install even more
# dependencies (curl, etc.), for better flow control, and for the option of
# future Windows compatibility.
"$LE_PYTHON" "$TEMP_DIR/fetch.py" --le-auto-script "v$REMOTE_VERSION"
# Install new copy of certbot-auto.
# TODO: Deal with quotes in pathnames.
say "Replacing certbot-auto..."
# Clone permissions with cp. chmod and chown don't have a --reference
# option on macOS or BSD, and stat -c on Linux is stat -f on macOS and BSD:
cp -p "$0" "$TEMP_DIR/letsencrypt-auto.permission-clone"
cp "$TEMP_DIR/letsencrypt-auto" "$TEMP_DIR/letsencrypt-auto.permission-clone"
# Using mv rather than cp leaves the old file descriptor pointing to the
# original copy so the shell can continue to read it unmolested. mv across
# filesystems is non-atomic, doing `rm dest, cp src dest, rm src`, but the
# cp is unlikely to fail if the rm doesn't.
mv -f "$TEMP_DIR/letsencrypt-auto.permission-clone" "$0"
fi # A newer version is available.
fi
fi # Self-upgrading is allowed.
RerunWithArgs --le-auto-phase2 "$@"
fi
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