diff options
Diffstat (limited to 'letsencrypt-auto')
-rwxr-xr-x | letsencrypt-auto | 305 |
1 files changed, 218 insertions, 87 deletions
diff --git a/letsencrypt-auto b/letsencrypt-auto index 444bee1b9..558c330b2 100755 --- a/letsencrypt-auto +++ b/letsencrypt-auto @@ -31,7 +31,7 @@ if [ -z "$VENV_PATH" ]; then fi VENV_BIN="$VENV_PATH/bin" BOOTSTRAP_VERSION_PATH="$VENV_PATH/certbot-auto-bootstrap-version.txt" -LE_AUTO_VERSION="0.20.0" +LE_AUTO_VERSION="0.21.0" BASENAME=$(basename $0) USAGE="Usage: $BASENAME [OPTIONS] A self-updating wrapper script for the Certbot ACME client. When run, updates @@ -68,10 +68,12 @@ for arg in "$@" ; do NO_BOOTSTRAP=1;; --help) HELP=1;; - --noninteractive|--non-interactive|renew) - ASSUME_YES=1;; + --noninteractive|--non-interactive) + NONINTERACTIVE=1;; --quiet) QUIET=1;; + renew) + ASSUME_YES=1;; --verbose) VERBOSE=1;; -[!-]*) @@ -93,7 +95,7 @@ done if [ $BASENAME = "letsencrypt-auto" ]; then # letsencrypt-auto does not respect --help or --yes for backwards compatibility - ASSUME_YES=1 + NONINTERACTIVE=1 HELP=0 fi @@ -244,23 +246,42 @@ DeprecationBootstrap() { fi } - +MIN_PYTHON_VERSION="2.6" +MIN_PYVER=$(echo "$MIN_PYTHON_VERSION" | sed 's/\.//') +# Sets LE_PYTHON to Python version string and PYVER to the first two +# digits of the python version DeterminePythonVersion() { - for LE_PYTHON in "$LE_PYTHON" python2.7 python27 python2 python; do - # Break (while keeping the LE_PYTHON value) if found. - $EXISTS "$LE_PYTHON" > /dev/null && break - done + # 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 - error "Cannot find any Pythons; please install one!" - exit 1 + if [ "$1" != "NOCRASH" ]; then + error "Cannot find any Pythons; please install one!" + exit 1 + else + PYVER=0 + return 0 + fi fi - export LE_PYTHON PYVER=`"$LE_PYTHON" -V 2>&1 | cut -d" " -f 2 | cut -d. -f1,2 | sed 's/\.//'` - if [ "$PYVER" -lt 26 ]; then - error "You have an ancient version of Python entombed in your operating system..." - error "This isn't going to work; you'll need at least version 2.6." - exit 1 + if [ "$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 } @@ -384,23 +405,19 @@ BootstrapDebCommon() { 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 (EPEL must be installed manually) +# 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 $QUIET_FLAG. +# Enables EPEL if applicable and possible. +InitializeRPMCommonBase() { if type dnf 2>/dev/null then - tool=dnf + TOOL=dnf elif type yum 2>/dev/null then - tool=yum + TOOL=yum else error "Neither yum nor dnf found. Aborting bootstrap!" @@ -408,15 +425,15 @@ BootstrapRpmCommon() { fi if [ "$ASSUME_YES" = 1 ]; then - yes_flag="-y" + YES_FLAG="-y" fi if [ "$QUIET" = 1 ]; then QUIET_FLAG='--quiet' fi - if ! $tool list *virtualenv >/dev/null 2>&1; then + 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 + if ! $TOOL list epel-release >/dev/null 2>&1; then error "Enable the EPEL repository and try running Certbot again." exit 1 fi @@ -425,14 +442,20 @@ BootstrapRpmCommon() { 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 seconds..." + /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 + 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 @@ -444,10 +467,39 @@ BootstrapRpmCommon() { ca-certificates " - # Most RPM distros use the "python" or "python-" naming convention. Let's try that first. - if $tool list python >/dev/null 2>&1; then + # Add the python packages + pkgs="$pkgs + $1 + " + + if $TOOL list installed "httpd" >/dev/null 2>&1; then pkgs="$pkgs - python + 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 @@ -455,9 +507,8 @@ BootstrapRpmCommon() { " # Fedora 26 starts to use the prefix python2 for python2 based packages. # this elseif is theoretically for any Fedora over version 26: - elif $tool list python2 >/dev/null 2>&1; then - pkgs="$pkgs - python2 + elif $TOOL list python2 >/dev/null 2>&1; then + python_pkgs="$python2 python2-libs python2-setuptools python2-devel @@ -468,8 +519,7 @@ BootstrapRpmCommon() { # Some distros and older versions of current distros use a "python27" # instead of the "python" or "python-" naming convention. else - pkgs="$pkgs - python27 + python_pkgs="$python27 python27-devel python27-virtualenv python27-tools @@ -477,16 +527,31 @@ BootstrapRpmCommon() { " fi - if $tool list installed "httpd" >/dev/null 2>&1; then - pkgs="$pkgs - mod_ssl - " - fi + BootstrapRpmCommonBase "$python_pkgs" +} - if ! $tool install $yes_flag $QUIET_FLAG $pkgs; then - error "Could not install OS dependencies. Aborting bootstrap!" +# If new packages are installed by BootstrapRpmPython3 below, this version +# number must be increased. +BOOTSTRAP_RPM_PYTHON3_VERSION=1 + +BootstrapRpmPython3() { + # Tested with: + # - CentOS 6 + + InitializeRPMCommonBase + + # EPEL uses python34 + if $TOOL list python34 >/dev/null 2>&1; then + python_pkgs="python34 + python34-devel + python34-tools + " + else + error "No supported Python package available to install. Aborting bootstrap!" exit 1 fi + + BootstrapRpmCommonBase "$python_pkgs" } # If new packages are installed by BootstrapSuseCommon below, this version @@ -715,11 +780,27 @@ elif [ -f /etc/mageia-release ]; then } BOOTSTRAP_VERSION="BootstrapMageiaCommon $BOOTSTRAP_MAGEIA_COMMON_VERSION" elif [ -f /etc/redhat-release ]; then - Bootstrap() { - BootstrapMessage "RedHat-based OSes" - BootstrapRpmCommon - } - BOOTSTRAP_VERSION="BootstrapRpmCommon $BOOTSTRAP_RPM_COMMON_VERSION" + # Run DeterminePythonVersion to decide on the basis of available Python versions + # whether to use 2.x or 3.x on RedHat-like systems. + # Then, revert LE_PYTHON to its previous state. + prev_le_python="$LE_PYTHON" + unset LE_PYTHON + DeterminePythonVersion "NOCRASH" + if [ "$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" @@ -816,7 +897,11 @@ 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" ] +} if [ "$1" = "--le-auto-phase2" ]; then # Phase 2: Create venv, install LE, and run. @@ -824,14 +909,26 @@ if [ "$1" = "--le-auto-phase2" ]; then shift 1 # the --le-auto-phase2 arg SetPrevBootstrapVersion + if [ -z "$PHASE_1_VERSION" -a "$USE_PYTHON_3" = 1 ]; then + unset LE_PYTHON + fi + INSTALLED_VERSION="none" - if [ -d "$VENV_PATH" ]; then + 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 # if non-interactive mode or stdin and stdout are connected to a terminal if [ \( "$NONINTERACTIVE" = 1 \) -o \( \( -t 0 \) -a \( -t 1 \) \) ]; then - rm -rf "$VENV_PATH" + if [ -d "$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 "$@" else error "Skipping upgrade because new OS dependencies may need to be installed." @@ -841,6 +938,10 @@ if [ "$1" = "--le-auto-phase2" ]; then error "install any required packages." # Set INSTALLED_VERSION to be the same so we don't update the venv INSTALLED_VERSION="$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 @@ -858,10 +959,18 @@ if [ "$1" = "--le-auto-phase2" ]; then say "Creating virtual environment..." DeterminePythonVersion rm -rf "$VENV_PATH" - if [ "$VERBOSE" = 1 ]; then - virtualenv --no-site-packages --python "$LE_PYTHON" "$VENV_PATH" + if [ "$PYVER" -le 27 ]; then + if [ "$VERBOSE" = 1 ]; then + virtualenv --no-site-packages --python "$LE_PYTHON" "$VENV_PATH" + else + virtualenv --no-site-packages --python "$LE_PYTHON" "$VENV_PATH" > /dev/null + fi else - virtualenv --no-site-packages --python "$LE_PYTHON" "$VENV_PATH" > /dev/null + if [ "$VERBOSE" = 1 ]; then + "$LE_PYTHON" -m venv "$VENV_PATH" + else + "$LE_PYTHON" -m venv "$VENV_PATH" > /dev/null + fi fi if [ -n "$BOOTSTRAP_VERSION" ]; then @@ -983,9 +1092,16 @@ idna==2.5 \ ipaddress==1.0.16 \ --hash=sha256:935712800ce4760701d89ad677666cd52691fd2f6f0b340c8b4239a3c17988a5 \ --hash=sha256:5a3182b322a706525c46282ca6f064d27a02cffbd449f9f47416f1dc96aa71b0 +josepy==1.0.1 \ + --hash=sha256:354a3513038a38bbcd27c97b7c68a8f3dfaff0a135b20a92c6db4cc4ea72915e \ + --hash=sha256:9f48b88ca37f0244238b1cc77723989f7c54f7b90b2eee6294390bacfe870acc linecache2==1.0.0 \ --hash=sha256:e78be9c0a0dfcbac712fe04fbf92b96cddae80b1b842f24248214c8496f006ef \ --hash=sha256:4b26ff4e7110db76eeb6f5a7b64a82623839d595c2038eeda662f2a2db78e97c +# Using an older version of mock here prevents regressions of #5276. +mock==1.3.0 \ + --hash=sha256:3f573a18be94de886d1191f27c168427ef693e8dcfcecf95b170577b2eb69cbb \ + --hash=sha256:1e247dbecc6ce057299eb7ee019ad68314bb93152e81d9a6110d35f4d5eca0f6 ordereddict==1.1 \ --hash=sha256:1c35b4ac206cef2d24816c89f89cf289dd3d38cf7c449bb3fab7bf6d43f01b1f packaging==16.8 \ @@ -1062,10 +1178,6 @@ zope.interface==4.1.3 \ --hash=sha256:928138365245a0e8869a5999fbcc2a45475a0a6ed52a494d60dbdc540335fedd \ --hash=sha256:0d841ba1bb840eea0e6489dc5ecafa6125554971f53b5acb87764441e61bceba \ --hash=sha256:b09c8c1d47b3531c400e0195697f1414a63221de6ef478598a4f1460f7d9a392 -# Using an older version of mock here prevents regressions of #5276. -mock==1.3.0 \ - --hash=sha256:3f573a18be94de886d1191f27c168427ef693e8dcfcecf95b170577b2eb69cbb \ - --hash=sha256:1e247dbecc6ce057299eb7ee019ad68314bb93152e81d9a6110d35f4d5eca0f6 # Contains the requirements for the letsencrypt package. # @@ -1078,18 +1190,18 @@ letsencrypt==0.7.0 \ --hash=sha256:105a5fb107e45bcd0722eb89696986dcf5f08a86a321d6aef25a0c7c63375ade \ --hash=sha256:c36e532c486a7e92155ee09da54b436a3c420813ec1c590b98f635d924720de9 -certbot==0.20.0 \ - --hash=sha256:c6b6bd288700898d1eb31a65b605e3a5fc10f1e3213ce468207d76a2decb9d35 \ - --hash=sha256:cabf505b64fb400c4239dcdbaeb882079477eb6a8442268596a8791b9e34de88 -acme==0.20.0 \ - --hash=sha256:8b0cee192c0d76d6f4045bdb14b3cfd29d9720e0dad2046794a2a555f1eaccb7 \ - --hash=sha256:45121aed6c8cc2f31896ac1083068dfdeb613f3edeff9576dc0d10632ea5a3d5 -certbot-apache==0.20.0 \ - --hash=sha256:f7e4dbc154d2e9d1461118b6dd3dbd16f6892da468f060eeaa162aff673347e2 \ - --hash=sha256:0ba499706451ffbccb172bcf93d6ef4c6cc8599157077a4fa6dfbe5a83c7921f -certbot-nginx==0.20.0 \ - --hash=sha256:b6e372e8740b20dd9bd63837646157ac97b3c9a65affd3954571b8e872ae9ecf \ - --hash=sha256:6379fdf20d9a7651fe30bb8d4b828cbea178cc263d7af5a380fc4508d793b9ae +certbot==0.21.0 \ + --hash=sha256:b6fc9cf80e8e2925827c61ca92c32faa935bbadaf14448e2d7f40e1f8f2cccdb \ + --hash=sha256:07ca3246d3462fe73418113cc5c1036545f4b2312831024da923054de3a85857 +acme==0.21.0 \ + --hash=sha256:4ef91a62c30b9d6bd1dd0b5ac3a8c7e70203e08e5269d3d26311dd6648aaacda \ + --hash=sha256:d64eae267c0bb21c98fa889b4e0be4c473ca8e80488d3de057e803d6d167544d +certbot-apache==0.21.0 \ + --hash=sha256:026c23fec4def727f88acd15f66b5641f7ba1f767f0728fd56798cf3500be0c5 \ + --hash=sha256:185dae50c680fa3c09646907a6256c6b4ddf8525723d3b13b9b33d1a3118663b +certbot-nginx==0.21.0 \ + --hash=sha256:e5ac3a203871f13e7e72d4922e401364342f2999d130c959f90949305c33d2bc \ + --hash=sha256:88be95916935980edc4c6ec3f39031ac47f5b73d6e43dfa3694b927226432642 UNLIKELY_EOF # ------------------------------------------------------------------------- @@ -1319,9 +1431,10 @@ else # 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 "$VENV_BIN/letsencrypt" ]; then - if [ -z "$OLD_VENV_PATH" -o ! -f "$OLD_VENV_PATH/bin/letsencrypt" ]; then + if ! OldVenvExists; then if [ "$HELP" = 1 ]; then echo "$USAGE" exit 0 @@ -1353,17 +1466,22 @@ On failure, return non-zero. """ -from __future__ import print_function +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 -from urllib2 import build_opener, HTTPHandler, HTTPSHandler -from urllib2 import HTTPError, URLError +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 @@ -1385,8 +1503,11 @@ 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. - self._opener = build_opener(HTTPSHandler()) + # 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): @@ -1408,7 +1529,7 @@ class HttpsGetter(object): def write(contents, dir, filename): """Write something to a file in a certain directory.""" - with open(join(dir, filename), 'w') as file: + with open(join(dir, filename), 'wb') as file: file.write(contents) @@ -1416,13 +1537,13 @@ 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'))) + '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'].iterkeys() + in metadata['releases'].keys() if re.match('^[0-9.]+$', r))) @@ -1439,7 +1560,7 @@ def verified_new_le_auto(get, tag, temp_dir): '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, temp_dir, 'public_key.pem') + 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', @@ -1454,6 +1575,14 @@ def verified_new_le_auto(get, tag, temp_dir): "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] @@ -1475,8 +1604,10 @@ if __name__ == '__main__': UNLIKELY_EOF # --------------------------------------------------------------------------- - DeterminePythonVersion - if ! REMOTE_VERSION=`"$LE_PYTHON" "$TEMP_DIR/fetch.py" --latest-version` ; then + DeterminePythonVersion "NOCRASH" + if [ "$PYVER" -lt "$MIN_PYVER" ]; then + error "WARNING: couldn't find Python $MIN_PYTHON_VERSION+ to check for updates." + elif ! REMOTE_VERSION=`"$LE_PYTHON" "$TEMP_DIR/fetch.py" --latest-version` ; then error "WARNING: unable to check for updates." elif [ "$LE_AUTO_VERSION" != "$REMOTE_VERSION" ]; then say "Upgrading certbot-auto $LE_AUTO_VERSION to $REMOTE_VERSION..." |