#!/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="$VENV_PATH/certbot-auto-bootstrap-version.txt" LE_AUTO_VERSION="{{ LE_AUTO_VERSION }}" BASENAME=$(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 } {{ bootstrappers/deb_common.sh }} {{ bootstrappers/rpm_common_base.sh }} {{ bootstrappers/rpm_common.sh }} {{ bootstrappers/rpm_python3_legacy.sh }} {{ bootstrappers/rpm_python3.sh }} {{ bootstrappers/suse_common.sh }} {{ bootstrappers/arch_common.sh }} {{ bootstrappers/gentoo_common.sh }} {{ bootstrappers/free_bsd.sh }} {{ bootstrappers/mac.sh }} {{ bootstrappers/smartos.sh }} {{ bootstrappers/mageia_common.sh }} # 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" {{ create_venv.py }} UNLIKELY_EOF } # Check that the given PATH_TO_CHECK has secured permissions. # Parameters: LE_PYTHON, PATH_TO_CHECK CheckPathPermissions() { "$1" - "$2" << "UNLIKELY_EOF" {{ check_permissions.py }} 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" > "$TEMP_DIR/letsencrypt-auto-requirements.txt" {{ dependency-requirements.txt }} {{ letsencrypt-requirements.txt }} {{ certbot-requirements.txt }} UNLIKELY_EOF # ------------------------------------------------------------------------- cat << "UNLIKELY_EOF" > "$TEMP_DIR/pipstrap.py" {{ pipstrap.py }} 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" > "$TEMP_DIR/fetch.py" {{ fetch.py }} UNLIKELY_EOF # --------------------------------------------------------------------------- if [ "$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