debian/postinst

   1 #!/bin/sh
   2
   3 set -e
   4
   5 [ "$DEBIAN_SCRIPT_DEBUG" ] && set -x
   6
   7 case "$1" in
   8         configure)
   9                 # continue below
  10                 ;;
  11
  12         abort-upgrade|abort-remove|abort-deconfigure)
  13                 exit 0
  14                 ;;
  15
  16         *)
  17                 echo "postinst called with unknown argument \`$1'" >&2
  18                 exit 0
  19                 ;;
  20 esac
  21
  22
  23 PKG=squirrelmail-cn
  24 domainname=`dnsdomainname`
  25 FQDN=`hostname --fqdn`
  26
  27 # Include CARNet functions
  28 . /usr/share/carnet-tools/functions.sh
  29 unset CP_ECHO_RETURN
  30
  31 mv_old_backups() {
  32
  33         # Clean up /etc, nove old jun^H^H^Hbackups where they belong
  34         glob="$1.old.*-*-*.*:*:*"
  35
  36         # ${glob%/*} (dirname $glob) does not work for files in root
  37         if [ -n "$(find ${glob%/*} -name ${glob##*/})" ]; then
  38                 for i in $(find ${glob%/*} -name ${glob##*/})
  39                 do
  40                         cp_backup_conffile "$i" "$2"
  41                         rm -f "$i"
  42                 done
  43         fi
  44 }
  45
  46
  47 reload=""
  48 DATE=`date +%Y-%m-%d.%H:%M:%S`
  49 CONFDIR=/etc/squirrelmail
  50 CONF=$CONFDIR/apache.conf
  51
  52 backup_name=squirrelmail_apache.conf
  53 mv_old_backups $CONF $backup_name
  54
  55 # Check Apache2 web server configuration.
  56 #
  57 if [ -f "$CONF" ]; then
  58
  59         # Backup first.
  60         if cp_check_and_backup "$CONF" "$backup_name"; then
  61                 cp_echo "CN: Old $CONF saved as \"/var/backups/$backup_name.bak\"."
  62         fi
  63
  64         # Check if we already modified apache.conf
  65         if ! egrep -q "^[       ]+RewriteRule \. https" "$CONF"; then
  66
  67                 echo -n "CN: Updating Apache2 configuration for Squirrelmail"
  68                 perl -n -e 'print if ! m|^Alias\s*/webmail|' "$CONF" > $CONF.tmp
  69
  70                 cp-update -t squirrelmail-cn $CONF.tmp <<-EOF
  71         # Force SSL for /webmail -> you can still use /squirrelmail
  72         Alias /webmail /usr/share/squirrelmail
  73
  74         <IfModule mod_rewrite.c>
  75           <IfModule mod_ssl.c>
  76             <Location /webmail>
  77               RewriteEngine on
  78               RewriteCond %{HTTPS} !=on
  79               RewriteRule . https://%{HTTP_HOST}%{REQUEST_URI}  [L]
  80             </Location>
  81           </IfModule>
  82         </IfModule>
  83
  84         #
  85         # WARNING: This file is automatically included in each VirtualHost
  86         # entry you might have.  Do not enable the VirtualHost example provided
  87         # in this file, it WILL break your Apache configuration. Copy the
  88         # VirtualHost section to the standard webserver configuration file
  89         # instead.
  90         #
  91         EOF
  92                 cp_mv $CONF.tmp $CONF
  93
  94                 # This will break if cp_backup_conffile ever changes destination path
  95                 if ! cmp -s "$CONF" "/var/backups/$backup_name.bak"; then
  96                         echo "."
  97                         cp_echo "CN: Updated Apache2 configuration for Squirrelmail."
  98                         reload="reload"
  99                 else
 100                         echo "... no changes."
 101                 fi
 102         fi
 103 fi
 104
 105
 106 hconf=/etc/apache2/apache2.conf
 107 sconf=/etc/apache2/sites-available/ssl
 108
 109 # Include Squirrelmail apache.conf in Apache2 web server configuration
 110 # (directory /etc/apache2/conf.d/), but only if we are not present in
 111 # Apache2 configuration at all.
 112 #
 113 # We're using listconffiles from apache-common Debian package. Yes,
 114 # it works with Apache2 configurations too.
 115 #
 116 apache2listconf=`/usr/share/apache/listconffiles -V $hconf | tr '\a' ' ' | grep "$CONF"` || true
 117 apache2squirrel=`ls -l /etc/apache2/conf.d/ | grep "$CONF"` || true
 118
 119 if [ -z "$apache2listconf" -a -z "$apache2squirrel" ]; then
 120         ln -s "$CONF" /etc/apache2/conf.d/squirrelmail-cn.conf
 121         reload=reload
 122 fi
 123
 124
 125 # Initial CARNet config tweaks.
 126 #
 127 CONF="$CONFDIR/config.php"
 128 TMPL="$CONFDIR/config_default.php"
 129 mv_old_backups "$CONF" "`basename $CONF`"
 130 if cp_check_and_backup "$CONF"; then
 131         cp_echo "CN: Old $CONF saved as \"/var/backups/${CONF##*/}.bak\"."
 132 fi
 133
 134 # We use sed to replace old defaults with ours.
 135 # Must escape \$ because of shell expansion.
 136 #
 137 seddef="/^[     ]*\\\$org_logo[         ]*=/s/sm_logo\.jpg/sm_carnet_logo.png/;
 138         /^[     ]*\\\$org_logo[         ]*=/s/sm_logo\.png/sm_carnet_logo.png/;
 139         /^[     ]*\\\$org_logo[         ]*=/s/sm_carnet_logo\.jpg/sm_carnet_logo.png/;
 140         /^[     ]*\\\$domain[   ]*=/s/mydomain\.com/$domainname/;
 141         /^[     ]*\\\$default_charset[  ]*=/s/iso-8859-1/iso-8859-2/;
 142         /^[     ]*\\\$org_logo_width[   ]*=/s/308/0/;
 143         /^[     ]*\\\$org_logo_height[  ]*=/s/111/0/;
 144         /^[     ]*\\\$squirrelmail_default_language[    ]*=/s/en_US/hr_HR/;
 145         /^[     ]*\\\$data_dir[         ]*=/s/\.\.\/data\//\/var\/lib\/squirrelmail\/data\//;
 146         "
 147
 148 # Check for our uw-imap package; if it is installed, assume it's used.
 149 #
 150 if dpkg -l uw-imap-ssl-cn 2>/dev/null | grep -q '^ii'; then
 151   seddef="$seddef/^[    ]*\\\$imap_server_type[         ]*=/ {s/cyrus/uw/;s/other/uw/;}
 152         "
 153 fi
 154
 155 # Check for our dovecot package; if it is installed, assume it's used.
 156 #
 157 if dpkg -l dovecot-cn 2>/dev/null | grep -q '^ii'; then
 158   seddef="$seddef/^[    ]*\\\$imap_server_type[         ]*=/ {s/cyrus/dovecot/;s/other/dovecot/;s/uw/dovecot/}
 159         "
 160 fi
 161
 162 # Would there be any changes, perhaps?
 163 #
 164 if cp_check_and_sed '.' "$seddef" "$CONF"; then
 165         changed=1
 166 fi
 167
 168 if grep -q x62 "$CONF"; then
 169         really_old_config=1
 170 fi
 171
 172
 173 #
 174 # MORE FIXES...
 175 #
 176
 177 # Global $config_version;
 178 #
 179 if ! egrep -q '^[       ]*global[       ]+\$config_version' "$CONF"; then
 180         really_old_config=1
 181         #echo "CN: Adding \"global \$config_version;\" to config.php."
 182         perl -p -e 'print "global \$config_version;\n" if (/^\s*\$config_version/);' \
 183                 "$CONF" > "$CONF.tmp"
 184         cp_mv "$CONF.tmp" "$CONF"
 185 fi
 186
 187 # This was missing on some machines
 188 #
 189 if ! egrep -q '^[       ]*\$allow_thread_sort' $CONF; then
 190         to_add='\$allow_thread_sort = false;\n'
 191         cp_echo "CN: Adding \"\$allow_thread_sort\"."
 192         perl -p -e 'if (! $a && /^\s*\$edit_name/) {
 193                  $_ .= "'"$to_add"'"; $a = 1; }
 194               elsif (! $a && /^\?>/) {
 195                  $_ = "'"$to_add"'" . $_; $a = 1; }' \
 196         $CONF > "$CONF.tmp"
 197         cp_mv "$CONF.tmp" "$CONF"
 198 fi
 199
 200 # Shouldn't use /etc/hostname, especially if it contains only the host part
 201 # replace
 202 #   $domain = implode('', file('/etc/hostname'));
 203 # with
 204 #   $domain = trim(implode('',file('/etc/'.(file_exists('/etc/mailname')?'mail':'host').'name')));
 205 #
 206 if egrep -q "^[[:blank:]]*\\\$domain[[:blank:]]*=[[:blank:]]*implode\\('',[[:blank:]]*file\\('/etc/hostname'\\)\\);" $CONF; then
 207         nodots=
 208         nomailname=
 209         grep -q '\.' /etc/hostname || nodots=1
 210         [ -e /etc/mailname ] || nomailname=1
 211         if cp_check_and_sed "^[[:blank:]]*\\\$domain[[:blank:]]*=[[:blank:]]*implode\\('',[[:blank:]]*file\\('/etc/hostname'\\)\\);" \
 212                    "s|^[ \t]*\\\$domain[ \t]*=[ \t]*implode('',[ \t]*file('/etc/hostname'));|\$domain = trim(implode('',file('/etc/'.(file_exists('/etc/mailname')?'mail':'host').'name')));|" \
 213                    $CONF; then
 214                 cp_echo "CN: config.php updated to use either /etc/mailname or /etc/hostname"
 215         fi
 216 fi
 217
 218
 219 # Generate hr_HR locale if needed.
 220 #
 221 if ! egrep -q '^hr_HR ISO-8859-2\b' /etc/locale.gen; then
 222         if [ -f /etc/locale.gen ]; then
 223                 echo "hr_HR ISO-8859-2" >> /etc/locale.gen
 224                 cp_echo "CN: Added hr_HR locale to /etc/locale.gen."
 225         else
 226                 echo "hr_HR ISO-8859-2" > /etc/locale.gen
 227                 cp_echo "CN: /etc/locale.gen created."
 228         fi
 229         dpkg-reconfigure -f noninteractive locales
 230 fi
 231
 232
 233 # Check Apache2 web server for restart/reload.
 234 #
 235 if [ -n "$reload" ]; then
 236
 237         # Restart Apache2 web server.
 238         if [ -x "/etc/init.d/apache2" ]; then
 239                 if [ -x "`which invoke-rc.d 2>/dev/null`" ]; then
 240                     invoke-rc.d apache2 "$reload" || exit $?
 241                 else
 242                     /etc/init.d/apache2 "$reload" || exit $?
 243                 fi
 244         fi
 245 fi
 246
 247
 248 # Warn user of really old config file
 249 #
 250 if [ "$really_old_config" ]; then
 251         echo
 252         echo "CN: You have a really old config file."
 253         cp_echo -m "CN: Old \"$CONF\" detected during installation."
 254         cp_echo "CN  The known bad options were fixed, but it is _strongly_ recommended that"
 255         cp_echo "CN  you either copy over the new template, and reconfigure this package"
 256         cp_echo
 257         cp_echo "    cp $TMPL $CONF"
 258         cp_echo "    dpkg-reconfigure squirrelmail-cn"
 259         cp_echo
 260         cp_echo "CN  or use squirrelmail-configure (conf.pl) to generate a fresh"
 261         cp_echo "    ${CONF} file."
 262         echo
 263 fi
 264
 265
 266 # Mailname info...
 267 #
 268 if [ "$nodots" -o "$nomailname" ]; then
 269         cp_echo
 270         cp_echo "CN: Make sure that /etc/mailname contains a fully qualified domain name"
 271         cp_echo "CN  of this machine!  Sending mail via squirrelmail might fail if the FQDN"
 272         cp_echo "CN  cannot be found in either /etc/mailname or /etc/hostname."
 273         cp_echo "CN  Read mailname(5) man page for details."
 274         cp_echo -mailonly "CN  If this machine receives mail for both user@`hostname -f` and "
 275         cp_echo -mailonly "CN  user@`hostname -d`, you can also put just the domain in there."
 276 fi
 277
 278 # Mail root
 279 #
 280 cp_mail "$PKG"
 281
 282 exit 0