debian/postinst

   1 #!/bin/sh
   2
   3 set -e
   4
   5 [ "$DEBIAN_SCRIPT_DEBUG" ] && set -x
   6
   7 # Source debconf library.
   8 . /usr/share/debconf/confmodule
   9
  10 case "$1" in
  11         configure)
  12                 # continue below
  13                 ;;
  14
  15         abort-upgrade|abort-remove|abort-deconfigure)
  16                 exit 0
  17                 ;;
  18
  19         *)
  20                 echo "postinst called with unknown argument \`$1'" >&2
  21                 exit 0
  22                 ;;
  23 esac
  24
  25
  26 PKG=squirrelmail-cn
  27 domainname=`dnsdomainname`
  28 FQDN=`hostname --fqdn`
  29
  30 # Include CARNet functions
  31 . /usr/share/carnet-tools/functions.sh
  32 unset CP_ECHO_RETURN
  33
  34 mv_old_backups() {
  35
  36         # Clean up /etc, nove old jun^H^H^Hbackups where they belong
  37         glob="$1.old.*-*-*.*:*:*"
  38
  39         # ${glob%/*} (dirname $glob) does not work for files in root
  40         if [ -n "$(find ${glob%/*} -name ${glob##*/})" ]; then
  41                 for i in $(find ${glob%/*} -name ${glob##*/})
  42                 do
  43                         cp_backup_conffile "$i" "$2"
  44                         rm -f "$i"
  45                 done
  46         fi
  47 }
  48
  49 # listconffiles ()
  50 #
  51 #   Recursively walks /etc/apache2/apache2.conf for Include directives.
  52 #   Returns all configfiles so defined.
  53 #
  54 function listconffiles () {
  55
  56         local i incs
  57
  58         incs=`awk 'tolower($1) == "include" { sub("/$","/*",$2); print $2; }' $1`
  59         if [ -n "$incs" ]; then
  60             for i in $incs; do
  61                 if [ -e "$i" ]; then echo "$i"; listconffiles "$i"; fi
  62             done
  63         fi
  64 }
  65
  66
  67 reload=""
  68 DATE=`date +%Y-%m-%d.%H:%M:%S`
  69 CONFDIR=/etc/squirrelmail
  70 CONF=$CONFDIR/apache.conf
  71
  72 backup_name=squirrelmail_apache.conf
  73 mv_old_backups $CONF $backup_name
  74
  75 # Check Apache2 web server configuration.
  76 #
  77 if [ -f "$CONF" ]; then
  78
  79         # Backup first.
  80         if cp_check_and_backup "$CONF" "$backup_name"; then
  81                 cp_echo "CN: Old $CONF saved as \"/var/backups/$backup_name.bak\"."
  82         fi
  83
  84         # Check if we already modified apache.conf
  85         if ! egrep -q "^[       ]+RewriteRule \. https" "$CONF"; then
  86
  87                 echo -n "CN: Updating Apache2 configuration for Squirrelmail"
  88                 perl -n -e 'print if ! m|^Alias\s*/webmail|' "$CONF" > $CONF.tmp
  89
  90                 cp-update -t squirrelmail-cn $CONF.tmp <<-EOF
  91         # Force SSL for /webmail -> you can still use /squirrelmail
  92         Alias /webmail /usr/share/squirrelmail
  93
  94         <IfModule mod_rewrite.c>
  95           <IfModule mod_ssl.c>
  96             <Location /webmail>
  97               RewriteEngine on
  98               RewriteCond %{HTTPS} !=on
  99               RewriteRule . https://%{HTTP_HOST}%{REQUEST_URI}  [L]
 100             </Location>
 101           </IfModule>
 102         </IfModule>
 103
 104         #
 105         # WARNING: This file is automatically included in each VirtualHost
 106         # entry you might have.  Do not enable the VirtualHost example provided
 107         # in this file, it WILL break your Apache configuration. Copy the
 108         # VirtualHost section to the standard webserver configuration file
 109         # instead.
 110         #
 111         EOF
 112                 cp_mv $CONF.tmp $CONF
 113
 114                 # This will break if cp_backup_conffile ever changes destination path
 115                 if ! cmp -s "$CONF" "/var/backups/$backup_name.bak"; then
 116                         echo "."
 117                         cp_echo "CN: Updated Apache2 configuration for Squirrelmail."
 118                         reload="reload"
 119                 else
 120                         echo "... no changes."
 121                 fi
 122         fi
 123 fi
 124
 125
 126 hconf=/etc/apache2/apache2.conf
 127 sconf=/etc/apache2/sites-available/ssl
 128
 129 # Include Squirrelmail apache.conf in Apache2 web server configuration
 130 # (directory /etc/apache2/conf.d/), but only if we are not present in
 131 # Apache2 configuration at all.
 132 #
 133 # We're not using listconffiles from apache-common Debian package.
 134 # apache-common is no longer available in Debian Lenny. We're using
 135 # listconffiles() function instead.
 136 #
 137 apache2listconf=`listconffiles "$hconf" | grep "$CONF"` || true
 138 apache2squirrel=`ls -l /etc/apache2/conf.d/ | grep "$CONF"` || true
 139
 140 if [ -z "$apache2listconf" -a -z "$apache2squirrel" ]; then
 141         ln -s "$CONF" /etc/apache2/conf.d/squirrelmail-cn.conf
 142         reload=reload
 143 fi
 144
 145
 146 # Initial CARNet config tweaks.
 147 #
 148 CONF="$CONFDIR/config.php"
 149 TMPL="$CONFDIR/config_default.php"
 150 mv_old_backups "$CONF" "`basename $CONF`"
 151 if cp_check_and_backup "$CONF"; then
 152         cp_echo "CN: Old $CONF saved as \"/var/backups/${CONF##*/}.bak\"."
 153 fi
 154
 155 # We use sed to replace old defaults with ours.
 156 # Must escape \$ because of shell expansion.
 157 #
 158 seddef="/^[     ]*\\\$org_logo[         ]*=/s/sm_logo\.jpg/sm_carnet_logo.png/;
 159         /^[     ]*\\\$org_logo[         ]*=/s/sm_logo\.png/sm_carnet_logo.png/;
 160         /^[     ]*\\\$org_logo[         ]*=/s/sm_carnet_logo\.jpg/sm_carnet_logo.png/;
 161         /^[     ]*\\\$domain[   ]*=/s/mydomain\.com/$domainname/;
 162         /^[     ]*\\\$default_charset[  ]*=/s/iso-8859-1/iso-8859-2/;
 163         /^[     ]*\\\$org_logo_width[   ]*=/s/308/0/;
 164         /^[     ]*\\\$org_logo_height[  ]*=/s/111/0/;
 165         /^[     ]*\\\$squirrelmail_default_language[    ]*=/s/en_US/hr_HR/;
 166         /^[     ]*\\\$data_dir[         ]*=/s/\.\.\/data\//\/var\/lib\/squirrelmail\/data\//;
 167         "
 168
 169 # Left frame size to 220px.
 170 # $default_left_size = '220';
 171 #
 172 db_get squirrelmail-cn/leftwidth || true
 173 if [ "$RET" = "true" ]; then
 174   seddef="$seddef/^[    ]*\\\$default_left_size[        ]*=/s/'[0-9]*'/'220'/;
 175         "
 176 fi
 177
 178 # Change CSS file for Squirrelmail.
 179 # $theme_css = SM_PATH . 'themes/css/squirrelmail-cn.css';
 180 #
 181 db_get squirrelmail-cn/themecss || true
 182 if [ "$RET" = "true" ]; then
 183   seddef="$seddef/^[    ]*\\\$theme_css[        ]*=/s/=.*/= SM_PATH . 'themes\/css\/squirrelmail-cn.css';/;
 184         "
 185 fi
 186
 187 db_stop || true
 188
 189 # Check for our dovecot package; if it is installed, assume it's used.
 190 #
 191 if dpkg -l dovecot-cn 2>/dev/null | grep -q '^ii'; then
 192   seddef="$seddef/^[    ]*\\\$imap_server_type[         ]*=/ {s/cyrus/dovecot/;s/other/dovecot/;s/uw/dovecot/}
 193         "
 194 fi
 195
 196 # Would there be any changes, perhaps?
 197 #
 198 if cp_check_and_sed '.' "$seddef" "$CONF"; then
 199         changed=1
 200 fi
 201
 202 if grep -q x62 "$CONF"; then
 203         really_old_config=1
 204 fi
 205
 206
 207 #
 208 # MORE FIXES...
 209 #
 210
 211 # Global $config_version;
 212 #
 213 if ! egrep -q '^[       ]*global[       ]+\$config_version' "$CONF"; then
 214         really_old_config=1
 215         #echo "CN: Adding \"global \$config_version;\" to config.php."
 216         perl -p -e 'print "global \$config_version;\n" if (/^\s*\$config_version/);' \
 217                 "$CONF" > "$CONF.tmp"
 218         cp_mv "$CONF.tmp" "$CONF"
 219 fi
 220
 221 # This was missing on some machines
 222 #
 223 if ! egrep -q '^[       ]*\$allow_thread_sort' $CONF; then
 224         to_add='\$allow_thread_sort = false;\n'
 225         cp_echo "CN: Adding \"\$allow_thread_sort\"."
 226         perl -p -e 'if (! $a && /^\s*\$edit_name/) {
 227                  $_ .= "'"$to_add"'"; $a = 1; }
 228               elsif (! $a && /^\?>/) {
 229                  $_ = "'"$to_add"'" . $_; $a = 1; }' \
 230         $CONF > "$CONF.tmp"
 231         cp_mv "$CONF.tmp" "$CONF"
 232 fi
 233
 234 # Shouldn't use /etc/hostname, especially if it contains only the host part
 235 # replace
 236 #   $domain = implode('', file('/etc/hostname'));
 237 # with
 238 #   $domain = trim(implode('',file('/etc/'.(file_exists('/etc/mailname')?'mail':'host').'name')));
 239 #
 240 if egrep -q "^[[:blank:]]*\\\$domain[[:blank:]]*=[[:blank:]]*implode\\('',[[:blank:]]*file\\('/etc/hostname'\\)\\);" $CONF; then
 241         nodots=
 242         nomailname=
 243         grep -q '\.' /etc/hostname || nodots=1
 244         [ -e /etc/mailname ] || nomailname=1
 245         if cp_check_and_sed "^[[:blank:]]*\\\$domain[[:blank:]]*=[[:blank:]]*implode\\('',[[:blank:]]*file\\('/etc/hostname'\\)\\);" \
 246                    "s|^[ \t]*\\\$domain[ \t]*=[ \t]*implode('',[ \t]*file('/etc/hostname'));|\$domain = trim(implode('',file('/etc/'.(file_exists('/etc/mailname')?'mail':'host').'name')));|" \
 247                    $CONF; then
 248                 cp_echo "CN: config.php updated to use either /etc/mailname or /etc/hostname"
 249         fi
 250 fi
 251
 252
 253 # Generate hr_HR locale if needed.
 254 #
 255 if ! egrep -q '^hr_HR ISO-8859-2\b' /etc/locale.gen; then
 256         if [ -f /etc/locale.gen ]; then
 257                 echo "hr_HR ISO-8859-2" >> /etc/locale.gen
 258                 cp_echo "CN: Added hr_HR locale to /etc/locale.gen."
 259         else
 260                 echo "hr_HR ISO-8859-2" > /etc/locale.gen
 261                 cp_echo "CN: /etc/locale.gen created."
 262         fi
 263         dpkg-reconfigure -f noninteractive locales
 264 fi
 265
 266
 267 # Check Apache2 web server for restart/reload.
 268 #
 269 if [ -n "$reload" ]; then
 270
 271         # Restart Apache2 web server.
 272         if [ -x "/etc/init.d/apache2" ]; then
 273                 if [ -x "`which invoke-rc.d 2>/dev/null`" ]; then
 274                     invoke-rc.d apache2 "$reload" || exit $?
 275                 else
 276                     /etc/init.d/apache2 "$reload" || exit $?
 277                 fi
 278         fi
 279 fi
 280
 281
 282 # Warn user of really old config file
 283 #
 284 if [ "$really_old_config" ]; then
 285         echo
 286         echo "CN: You have a really old config file."
 287         cp_echo -m "CN: Old \"$CONF\" detected during installation."
 288         cp_echo "CN  The known bad options were fixed, but it is _strongly_ recommended that"
 289         cp_echo "CN  you either copy over the new template, and reconfigure this package"
 290         cp_echo
 291         cp_echo "    cp $TMPL $CONF"
 292         cp_echo "    dpkg-reconfigure squirrelmail-cn"
 293         cp_echo
 294         cp_echo "CN  or use squirrelmail-configure (conf.pl) to generate a fresh"
 295         cp_echo "    ${CONF} file."
 296         echo
 297 fi
 298
 299
 300 # Mailname info...
 301 #
 302 if [ "$nodots" -o "$nomailname" ]; then
 303         cp_echo
 304         cp_echo "CN: Make sure that /etc/mailname contains a fully qualified domain name"
 305         cp_echo "CN  of this machine!  Sending mail via squirrelmail might fail if the FQDN"
 306         cp_echo "CN  cannot be found in either /etc/mailname or /etc/hostname."
 307         cp_echo "CN  Read mailname(5) man page for details."
 308         cp_echo -mailonly "CN  If this machine receives mail for both user@`hostname -f` and "
 309         cp_echo -mailonly "CN  user@`hostname -d`, you can also put just the domain in there."
 310 fi
 311
 312 # Mail root
 313 #
 314 cp_mail "$PKG"
 315
 316 exit 0