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 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 # genlocales ()
  67 #
  68 #   Update/generate localisation files from templates if locales-all
  69 #   is not installed.
  70 #
  71 genlocales () {
  72
  73         if [ -f /usr/lib/locales-all/supported.tar.lzma ] ; then
  74             cp_echo "CN: locales-all installed, skipping locales generation."
  75         else
  76             /usr/sbin/locale-gen
  77         fi
  78 }
  79
  80
  81 need_restart=0
  82 DATE=`date +%Y-%m-%d.%H:%M:%S`
  83 CONFDIR=/etc/squirrelmail
  84 CONF=$CONFDIR/apache.conf
  85
  86 backup_name=squirrelmail_apache.conf
  87 mv_old_backups $CONF $backup_name
  88
  89 # Check Apache2 web server configuration.
  90 #
  91 if [ -f "$CONF" ]; then
  92
  93         # Backup first.
  94         if cp_check_and_backup "$CONF" "$backup_name"; then
  95                 cp_echo "CN: Old $CONF saved as \"/var/backups/$backup_name.bak\"."
  96         fi
  97
  98         # Check if we already modified apache.conf
  99         if ! egrep -q "^[       ]+RewriteRule \. https" "$CONF"; then
 100
 101                 echo -n "CN: Updating Apache2 configuration for Squirrelmail"
 102                 perl -n -e 'print if ! m|^Alias\s*/webmail|' "$CONF" > $CONF.tmp
 103
 104                 cp-update -t squirrelmail-cn $CONF.tmp <<-EOF
 105         # Force SSL for /webmail -> you can still use /squirrelmail
 106         Alias /webmail /usr/share/squirrelmail
 107
 108         <IfModule mod_rewrite.c>
 109           <IfModule mod_ssl.c>
 110             <Location /webmail>
 111               RewriteEngine on
 112               RewriteCond %{HTTPS} !=on
 113               RewriteRule . https://%{HTTP_HOST}%{REQUEST_URI}  [L]
 114             </Location>
 115           </IfModule>
 116         </IfModule>
 117
 118         #
 119         # WARNING: This file is automatically included in each VirtualHost
 120         # entry you might have.  Do not enable the VirtualHost example provided
 121         # in this file, it WILL break your Apache configuration. Copy the
 122         # VirtualHost section to the standard webserver configuration file
 123         # instead.
 124         #
 125         EOF
 126                 cp_mv $CONF.tmp $CONF
 127
 128                 # This will break if cp_backup_conffile ever changes destination path
 129                 if ! cmp -s "$CONF" "/var/backups/$backup_name.bak"; then
 130                         echo "."
 131                         cp_echo "CN: Updated Apache2 configuration for Squirrelmail."
 132                         need_restart=1
 133                 else
 134                         echo "... no changes."
 135                 fi
 136         fi
 137 fi
 138
 139
 140 hconf=/etc/apache2/apache2.conf
 141 sconf=/etc/apache2/sites-available/ssl
 142
 143 # Include Squirrelmail apache.conf in Apache2 web server configuration
 144 # (directory /etc/apache2/conf.d/), but only if we are not present in
 145 # Apache2 configuration at all.
 146 #
 147 # We're not using listconffiles from apache-common Debian package.
 148 # apache-common is no longer available in Debian Lenny. We're using
 149 # listconffiles() function instead.
 150 #
 151 apache2listconf=`listconffiles "$hconf" | grep "$CONF"` || true
 152 apache2squirrel=`ls -l /etc/apache2/conf.d/ | grep "$CONF"` || true
 153
 154 if [ -z "$apache2listconf" -a -z "$apache2squirrel" ]; then
 155         ln -s "$CONF" /etc/apache2/conf.d/squirrelmail-cn.conf
 156         need_restart=1
 157 fi
 158
 159
 160 # Initial CARNet config tweaks.
 161 #
 162 CONF="$CONFDIR/config.php"
 163 TMPL="$CONFDIR/config_default.php"
 164 mv_old_backups "$CONF" "`basename $CONF`"
 165 if cp_check_and_backup "$CONF"; then
 166         cp_echo "CN: Old $CONF saved as \"/var/backups/${CONF##*/}.bak\"."
 167 fi
 168
 169 # We use sed to replace old defaults with ours.
 170 # Must escape \$ because of shell expansion.
 171 #
 172 seddef="/^[     ]*\\\$org_logo[         ]*=/s/sm_logo\.jpg/sm_carnet_logo.png/;
 173         /^[     ]*\\\$org_logo[         ]*=/s/sm_logo\.png/sm_carnet_logo.png/;
 174         /^[     ]*\\\$org_logo[         ]*=/s/sm_carnet_logo\.jpg/sm_carnet_logo.png/;
 175         /^[     ]*\\\$domain[   ]*=/s/mydomain\.com/$domainname/;
 176         /^[     ]*\\\$default_charset[  ]*=/s/iso-8859-1/iso-8859-2/;
 177         /^[     ]*\\\$org_logo_width[   ]*=/s/308/0/;
 178         /^[     ]*\\\$org_logo_height[  ]*=/s/111/0/;
 179         /^[     ]*\\\$squirrelmail_default_language[    ]*=/s/en_US/hr_HR/;
 180         /^[     ]*\\\$data_dir[         ]*=/s/\.\.\/data\//\/var\/lib\/squirrelmail\/data\//;
 181         "
 182
 183 # Left frame size to 220px.
 184 # $default_left_size = '220';
 185 #
 186 db_get squirrelmail-cn/leftwidth || true
 187 if [ "$RET" = "true" ]; then
 188   seddef="$seddef/^[    ]*\\\$default_left_size[        ]*=/s/'[0-9]*'/'220'/;
 189         "
 190 fi
 191
 192 # Change CSS file for Squirrelmail.
 193 # $theme_css = SM_PATH . 'themes/css/squirrelmail-cn.css';
 194 #
 195 db_get squirrelmail-cn/themecss || true
 196 if [ "$RET" = "true" ]; then
 197   seddef="$seddef/^[    ]*\\\$theme_css[        ]*=/s/=.*/= SM_PATH . 'themes\/css\/squirrelmail-cn.css';/;
 198         "
 199 fi
 200
 201 db_stop || true
 202
 203 # Check for our dovecot package; if it is installed, assume it's used.
 204 #
 205 if dpkg -l dovecot-cn 2>/dev/null | grep -q '^ii'; then
 206   seddef="$seddef/^[    ]*\\\$imap_server_type[         ]*=/ {s/cyrus/dovecot/;s/other/dovecot/;s/uw/dovecot/}
 207         "
 208 fi
 209
 210 # Would there be any changes, perhaps?
 211 #
 212 if cp_check_and_sed '.' "$seddef" "$CONF"; then
 213         need_restart=1
 214 fi
 215
 216
 217 # Check /etc/hostname and /etc/mailname, because
 218 #   $domain = trim(implode('', file('/etc/'.(file_exists('/etc/mailname')?'mail':'host').'name')));
 219 #
 220 nodots=
 221 nomailname=
 222 grep -q '\.' /etc/hostname || nodots=1
 223 [ -e /etc/mailname ] || nomailname=1
 224
 225
 226 # Check for hr_HR locale.
 227 #
 228 if [ -f /etc/locale.gen ]; then
 229         if ! egrep -q '^hr_HR ISO-8859-2\b' /etc/locale.gen; then
 230             echo "hr_HR ISO-8859-2" >> /etc/locale.gen
 231             cp_echo "CN: Added hr_HR locale to /etc/locale.gen."
 232             genlocales
 233             need_restart=1
 234         fi
 235 else
 236         echo "hr_HR ISO-8859-2" > /etc/locale.gen
 237         cp_echo "CN: /etc/locale.gen created."
 238         genlocales
 239         need_restart=1
 240 fi
 241
 242
 243 # Check Apache2 web server for restart.
 244 #
 245 if [ $need_restart -eq 1 ]; then
 246
 247         # Restart Apache2 web server.
 248         if [ -x "/etc/init.d/apache2" ]; then
 249                 if [ -x "`which invoke-rc.d 2>/dev/null`" ]; then
 250                     invoke-rc.d apache2 restart || exit $?
 251                 else
 252                     /etc/init.d/apache2 restart || exit $?
 253                 fi
 254         fi
 255 fi
 256
 257
 258 # Mailname info...
 259 #
 260 if [ "$nodots" -o "$nomailname" ]; then
 261         cp_echo
 262         cp_echo "CN: Make sure that /etc/mailname contains a fully qualified domain name"
 263         cp_echo "CN  of this machine!  Sending mail via squirrelmail might fail if the FQDN"
 264         cp_echo "CN  cannot be found in either /etc/mailname or /etc/hostname."
 265         cp_echo "CN  Read mailname(5) man page for details."
 266         cp_echo -mailonly "CN  If this machine receives mail for both user@`hostname -f` and "
 267         cp_echo -mailonly "CN  user@`hostname -d`, you can also put just the domain in there."
 268 fi
 269
 270 # Mail root
 271 #
 272 cp_mail "$PKG"
 273
 274 exit 0