X-Git-Url: http://ftp.carnet.hr/carnet-debian/scm?a=blobdiff_plain;f=debian%2Fprerm;h=2acd7c14ae8e2b3921fa61a31381f76066cfd7b5;hb=HEAD;hp=aeef7d67f942496dc839d52fa3f2ace763fe682e;hpb=d898c4a3e286e07ee0f5d379dcdb055795209add;p=mod-security-cn.git diff --git a/debian/prerm b/debian/prerm index aeef7d6..2acd7c1 100644 --- a/debian/prerm +++ b/debian/prerm @@ -2,57 +2,69 @@ set -e -case "$1" in - remove|deconfigure) - - # Include CARNet functions. - . /usr/share/carnet-tools/functions.sh - - PKG="mod-security-cn" - A2DIR="/etc/apache2" - CONFDIR="$A2DIR/conf.d" - MODSECCONF="$CONFDIR/mod-security-cn.conf" - need_restart=0 - - # Remove configuration file generated by this CARNet package. - if [ -f "$MODSECCONF" ]; then - if egrep -q "^## Begin - Generated by CARNet package mod-security-cn$" "$MODSECCONF"; then - cp_echo "CN: Removing configuration file ${MODSECCONF}." - rm -f $MODSECCONF - need_restart=1 - fi - fi - - # Restart Apache2 web server. - if [ $need_restart -eq 1 ]; then - if apache2ctl configtest 2>/dev/null; then - - # Restart Apache2 web server. - if [ -x "/etc/init.d/apache2" ]; then - if [ -x "`which invoke-rc.d 2>/dev/null`" ]; then - invoke-rc.d apache2 restart || true - else - /etc/init.d/apache2 restart || true - fi - fi - else - # Something is broken. - cp_echo "CN: Your Apache2 configuration seem to be broken." - cp_echo "CN: Please, check the service configuration!" - fi - fi - - # Mail root - cp_mail "$PKG" - - echo - ;; - upgrade|failed-upgrade) - ;; - *) - echo "prerm called with unknown argument \$1'" >&2 - exit 0 - ;; -esac +PKG=mod-security-cn + +MODSECCONF=/etc/apache2/mod-security/$PKG.conf +MODSECRBL=/etc/apache2/mod-security/rbl_lookup.conf +MODSECLNK=/etc/apache2/conf-available/security2-cn.conf + +# chk_conf_tag () +# +# Check if configuration file has CARNET package info lines. +# return: $RET => 0 - tagged +# 1 - file does not exists +# 2 - file exists, but it is not tagged +# +chk_conf_tag () { + local conf_file + conf_file="$1" + RET=1 + + if [ -f "$conf_file" ]; then + if egrep -q "^## Begin - Generated by CARNET package mod-security-cn$" "$conf_file"; then + RET=0 + else + RET=2 + fi + fi +} + +if [ -e /usr/share/apache2/apache2-maintscript-helper ]; then + . /usr/share/apache2/apache2-maintscript-helper + + modsecurity_enable() { + chk_conf_tag "$MODSECLNK" + if [ $RET -ne 2 ]; then + echo "CN: Disabling $PKG configuration for Apache2." + return 0 + fi + return 1 + } +else + echo "CN: Could not load Apache 2.4 maintainer script helper." + + modsecurity_enable() { + return 1 + } +fi + +if [ "$1" = "remove" ] || [ "$1" = "deconfigure" ]; then + # Disable ModSecurity configuration. + if modsecurity_enable; then + apache2_invoke disconf security2-cn + rm -f "$MODSECLNK" + fi + + # Remove configuration files generated by this CARNET package. + for mfile in "$MODSECCONF" "$MODSECRBL"; do + chk_conf_tag "$mfile" + if [ $RET -eq 0 ]; then + echo "CN: Removing configuration file $mfile" + rm -f "$mfile" + fi + done +fi + +#DEBHELPER# exit 0