debian/prerm

   1 #!/bin/sh
   2
   3 set -e
   4
   5 case "$1" in
   6     remove|deconfigure)
   7
   8         # Include CARNet functions.
   9         . /usr/share/carnet-tools/functions.sh
  10
  11         PKG="mod-security-cn"
  12         A2DIR="/etc/apache2"
  13         CONFDIR="$A2DIR/conf.d"
  14         MODSECCONF="$CONFDIR/mod-security-cn.conf"
  15         need_restart=0
  16
  17         # Remove configuration file generated by this CARNet package.
  18         if [ -f "$MODSECCONF" ]; then
  19             if egrep -q "^## Begin - Generated by CARNet package mod-security-cn$" "$MODSECCONF"; then
  20                 cp_echo "CN: Removing configuration file ${MODSECCONF}."
  21                 rm -f $MODSECCONF
  22                 need_restart=1
  23             fi
  24         fi
  25
  26         # Restart Apache2 web server.
  27         if [ $need_restart -eq 1 ]; then
  28             if apache2ctl configtest 2>/dev/null; then
  29
  30                 # Restart Apache2 web server.
  31                 if [ -x "/etc/init.d/apache2" ]; then
  32                     if [ -x "`which invoke-rc.d 2>/dev/null`" ]; then
  33                         invoke-rc.d apache2 restart || true
  34                     else
  35                         /etc/init.d/apache2 restart || true
  36                     fi
  37                 fi
  38             else
  39                 # Something is broken.
  40                 cp_echo "CN: Your Apache2 configuration seem to be broken."
  41                 cp_echo "CN: Please, check the service configuration!"
  42             fi
  43         fi
  44
  45         # Mail root
  46         cp_mail "$PKG"
  47
  48         echo
  49         ;;
  50     upgrade|failed-upgrade)
  51         ;;
  52     *)
  53         echo "prerm called with unknown argument \$1'" >&2
  54         exit 0
  55         ;;
  56 esac
  57
  58 exit 0