iankelling.org Git - basic-https-conf/blob - apache-site

   1 #!/bin/bash
   2 # Copyright (C) 2016 Ian Kelling
   3
   4 # Licensed under the Apache License, Version 2.0 (the "License");
   5 # you may not use this file except in compliance with the License.
   6 # You may obtain a copy of the License at
   7
   8 #     http://www.apache.org/licenses/LICENSE-2.0
   9
  10 # Unless required by applicable law or agreed to in writing, software
  11 # distributed under the License is distributed on an "AS IS" BASIS,
  12 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13 # See the License for the specific language governing permissions and
  14 # limitations under the License.
  15
  16 [[ $EUID == 0 ]] || exec sudo -E "$BASH_SOURCE" "$@"
  17
  18 set -eE -o pipefail
  19 trap 'echo "$0:$LINENO:error: \"$BASH_COMMAND\" returned $?" >&2' ERR
  20
  21 usage() {
  22     cat <<EOF
  23 Usage: ${0##*/} [OPTIONS] [EXTRA_SETTINGS_FILE] DOMAIN
  24 Setup apache virtualhost config with https using
  25 ssl config provided by let's encrypt and my standard
  26 location for storing certs.
  27
  28 EXTRA_SETTINGS_FILE can be - for stdin
  29 -c CERT_DIR       In priority: this arg, $ACME_TINY_WRAPPER_CERT_DIR,
  30                   $HOME/webservercerts, if the other options aren't set.
  31 -i                Insecure, no ssl
  32 -p ADDR_PORT      Main address and port to listen on, default *:443
  33 -r                DocumentRoot
  34 -h|--help         Print help and exit
  35
  36 Note: Uses GNU getopt options parsing style
  37 EOF
  38     exit $1
  39 }
  40
  41 ##### begin command line parsing ########
  42
  43 cert_dir="$ACME_TINY_WRAPPER_CERT_DIR"
  44 if [[ ! $cert_dir ]]; then
  45     cert_dir=$HOME/webservercerts
  46 fi
  47 ssl=true
  48 extra_settings=
  49 addr_port="*:443"
  50 temp=$(getopt -l help ic:p:r:h "$@") || usage 1
  51 eval set -- "$temp"
  52 while true; do
  53     case $1 in
  54         -i) ssl=false; shift ;;
  55         -c) cert_dir="$2"; shift 2 ;;
  56         -p) addr_port="$2"; shift 2 ;;
  57         -r) root="$2"; shift 2 ;;
  58         --) shift; break ;;
  59         -h|--help) usage ;;
  60         *) echo "$0: Internal error!" ; exit 1 ;;
  61     esac
  62 done
  63
  64 if (( ${#@} == 2 )); then
  65     read -r extra_settings h <<<"${@}"
  66 else
  67     read -r h <<<"${@}"
  68 fi
  69
  70 if [[ ! $h ]]; then
  71     echo "$0: error: expected domain arg"
  72     usage 1
  73 fi
  74
  75 if [[ ! $root ]]; then
  76     root=/var/www/$h/html
  77 fi
  78
  79 port=${addr_port##*:}
  80
  81
  82 ##### end command line parsing ########
  83
  84 # taken from the let's encrypt generated site, using
  85 # ./certbot-auto --apache (should use the test mode to check if there are updates)
  86 # on 5/29/2016
  87
  88 # I could have also used the mozilla generator this, but it had some open issues
  89 # with no response
  90 # so I figured I would check out let's encrypt.
  91 # It's a little more liberal, but still get's an A in ssl labs,
  92 # so, meh, I'll use it.
  93 # https://mozilla.github.io/server-side-tls/ssl-config-generator/
  94
  95
  96 rm -f /etc/apache2/sites-enabled/000-default.conf
  97
  98 mkdir -p $root
  99 vhost_file=/etc/apache2/sites-enabled/$h.conf
 100 redir_file=/etc/apache2/sites-enabled/httpsredir.conf
 101
 102 # note, we exepct ServerRoot of /etc/apache2
 103 cd /etc/apache2
 104 conf_files=(apache2.conf)
 105
 106 # apache requires exactly 1 listen directive per port (when no ip is also given),
 107 # so we have to parse the config to do it programatically.
 108 listen_80=false
 109 listen_port=false
 110 while (( i=0; i < ${#conf_files[@]}; i++ )); do
 111     f="${conf_files[i]}"
 112     # note: globs are expanded here:
 113     conf_files+=( $(sed -rn "s,^\s*Include(Optional)?\s+(\S+).*,\2,p" "$f") )
 114     case $(readlink -f "$f") in
 115         $vhost_file|$redir_file) continue ;;
 116     esac
 117     for p in $(sed -rn "s,^\s*Listen\s+(\S+).*,\1,p" "$f"); do
 118         case $p in
 119             80) listen_80=true ;;
 120             $port) listen_port=true ;;
 121         esac
 122     done
 123 done
 124
 125 if $ssl; then
 126     https_arg=" https"
 127 fi
 128
 129
 130 tee $vhost_file <<EOF
 131 <VirtualHost $addr_port>
 132         ServerName $h
 133         ServerAlias www.$h
 134         DocumentRoot $root
 135 EOF
 136
 137 if [[ $extra_settings ]]; then
 138     cat -- $extra_settings | tee -a $vhost_file
 139 fi
 140
 141 # go faster!
 142 if [[ -e /etc/apache2/mods-available/http2.load ]]; then
 143     # https://httpd.apache.org/docs/2.4/mod/mod_http2.html
 144     a2enmod http2
 145     tee -a $vhost_file <<EOF
 146         Protocols h2 http/1.1
 147 EOF
 148 fi
 149
 150 if $ssl; then
 151     certbot_ssl_conf=/etc/letsencrypt/options-ssl-apache.conf
 152     tee -a $vhost_file <<EOF
 153         SSLCertificateFile $cert_dir/$h-chained.pem
 154         SSLCertificateKeyFile $cert_dir/$h-domain.key
 155         Include $certbot_ssl_conf
 156 EOF
 157
 158     # if we are using a non-standard port, setup don't setup
 159     # irrelevant 443 redirect.
 160     if [[ $port == "443" ]]; then
 161         tee $redir_file <<'EOF'
 162 # vhost_combined with %D (request time in microseconds)
 163 # this file is just a convenient place to drop it.
 164 LogFormat "%v:%p %h %l %u %t \"%r\" %>s %O \"%{Referer}i\" \"%{User-Agent}i\" %D" vhost_time_combined
 165 <VirtualHost *:80>
 166         ServerAdmin webmaster@localhost
 167         DocumentRoot /var/www/html
 168
 169         ErrorLog ${APACHE_LOG_DIR}/error.log
 170         CustomLog ${APACHE_LOG_DIR}/httpsredir-access.log combined
 171
 172 RewriteEngine on
 173 # ian: removed so it's for all sites
 174 #RewriteCond %{SERVER_NAME} =certbot.iank.bid
 175 RewriteRule ^ https://%{SERVER_NAME}%{REQUEST_URI} [END,QSA,R=permanent]
 176 </VirtualHost>
 177 EOF
 178         if ! $listen_80; then
 179             tee -a $redir_file <<'EOF'
 180 Listen 80
 181 EOF
 182         fi
 183     fi
 184
 185     mkdir -p /etc/letsencrypt
 186
 187     # this is from cerbot, see below.
 188     cat >$certbot_ssl_conf <<'EOF'
 189 # Baseline setting to Include for SSL sites
 190
 191 SSLEngine on
 192
 193 # Intermediate configuration, tweak to your needs
 194 SSLProtocol             all -SSLv2 -SSLv3
 195 SSLCipherSuite          ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-AES256-GCM-SHA384:DHE-RSA-AES128-GCM-SHA256:DHE-DSS-AES128-GCM-SHA256:kEDH+AESGCM:ECDHE-RSA-AES128-SHA256:ECDHE-ECDSA-AES128-SHA256:ECDHE-RSA-AES128-SHA:ECDHE-ECDSA-AES128-SHA:ECDHE-RSA-AES256-SHA384:ECDHE-ECDSA-AES256-SHA384:ECDHE-RSA-AES256-SHA:ECDHE-ECDSA-AES256-SHA:DHE-RSA-AES128-SHA256:DHE-RSA-AES128-SHA:DHE-DSS-AES128-SHA256:DHE-RSA-AES256-SHA256:DHE-DSS-AES256-SHA:DHE-RSA-AES256-SHA:AES128-GCM-SHA256:AES256-GCM-SHA384:AES128-SHA256:AES256-SHA256:AES128-SHA:AES256-SHA:AES:CAMELLIA:DES-CBC3-SHA:!aNULL:!eNULL:!EXPORT:!DES:!RC4:!MD5:!PSK:!aECDH:!EDH-DSS-DES-CBC3-SHA:!EDH-RSA-DES-CBC3-SHA:!KRB5-DES-CBC3-SHA
 196 SSLHonorCipherOrder     on
 197 SSLCompression          off
 198
 199 SSLOptions +StrictRequire
 200
 201 # Add vhost name to log entries:
 202 LogFormat "%h %l %u %t \"%r\" %>s %b \"%{Referer}i\" \"%{User-agent}i\"" vhost_combined
 203 LogFormat "%v %h %l %u %t \"%r\" %>s %b" vhost_common
 204
 205 #CustomLog /var/log/apache2/access.log vhost_combined
 206 #LogLevel warn
 207 #ErrorLog /var/log/apache2/error.log
 208
 209 # Always ensure Cookies have "Secure" set (JAH 2012/1)
 210 #Header edit Set-Cookie (?i)^(.*)(;\s*secure)??((\s*;)?(.*)) "$1; Secure$3$4"
 211 EOF
 212
 213     upstream=https://github.com/certbot/certbot/raw/master/certbot-apache/certbot_apache/options-ssl-apache.conf
 214     if ! diff -c <(wget -q -O - $upstream) $certbot_ssl_conf; then
 215         cat <<EOF
 216 WARNING!!!!!!!!!
 217 WARNING!!!!!!!!!
 218 WARNING!!!!!!!!!
 219 WARNING!!!!!!!!!
 220 WARNING!!!!!!!!!
 221 upstream ssl settings differ from the snapshot we have taken!!!
 222 We diffed with this command:
 223 diff -c <(wget -q -O - $upstream) $certbot_ssl_conf
 224 Update this script to take care this warning!!!!!
 225 EOF
 226         sleep 1
 227     fi
 228 fi
 229 tee -a $vhost_file <<EOF
 230         ErrorLog \${APACHE_LOG_DIR}/error.log
 231         CustomLog \${APACHE_LOG_DIR}/access.log vhost_time_combined
 232 </VirtualHost>
 233 EOF
 234
 235 if ! $listen_port; then
 236     # reference: https://httpd.apache.org/docs/2.4/mod/mpm_common.html#listen
 237     tee -a $vhost_file <<EOF
 238 listen ${port}${https_arg}
 239 EOF
 240 fi
 241
 242
 243 a2enmod ssl rewrite # rewrite needed for httpredir
 244 service apache2 restart
 245
 246 # I rarely look at how much traffic I get, so let's keep that info
 247 # around for longer than the default of 2 weeks.
 248 sed -ri --follow-symlinks 's/^(\s*rotate\s).*/\1 365/' /etc/logrotate.d/apache2