SkidSec WebShell

Server Address : 172.31.38.4

Web Server : Apache/2.4.58 (Ubuntu)

Uname : Linux ip-172-31-38-4 6.14.0-1017-aws #17~24.04.1-Ubuntu SMP Wed Nov 5 10:48:17 UTC 2025 x86_64

PHP Version : 7.4.33

#! /bin/bash # postinst script # # see: dh_installdeb(1) set -e # summary of how this script can be called: # * <postinst> `configure' <most-recently-configured-version> # * <old-postinst> `abort-upgrade' <new version> # * <conflictor's-postinst> `abort-remove' `in-favour' <package> # <new-version> # * <deconfigured's-postinst> `abort-deconfigure' `in-favour' # <failed-install-package> <version> `removing' # <conflicting-package> <version> # # for details, see http://www.debian.org/doc/debian-policy/ or # the debian-policy package # is_fresh_install() { if [ -z "$2" ] ; then return 0 fi return 1 } enable_default_mpm() { if is_fresh_install $@ ; then a2enmod -m -q mpm_event fi } enable_default_modules() { if is_fresh_install $@; then for module in authz_host auth_basic access_compat authn_file authz_user \ alias dir autoindex \ env mime negotiation setenvif \ filter deflate \ status reqtimeout ; do a2enmod -m -q $module done fi if [ -z "$2" ] ; then return 0 fi } enable_default_conf() { if is_fresh_install $@ ; then for conf in charset localized-error-pages other-vhosts-access-log \ security serve-cgi-bin ; do a2enconf -m -q $conf done fi } install_default_site() { if is_fresh_install $@ ; then if [ ! -L /etc/apache2/sites-enabled/000-default.conf -a \ ! -f /etc/apache2/sites-enabled/000-default.conf ]; then a2ensite -q 000-default fi touch /var/log/apache2/error.log /var/log/apache2/access.log chown root:adm /var/log/apache2/error.log /var/log/apache2/access.log chmod 0640 /var/log/apache2/error.log /var/log/apache2/access.log touch /var/log/apache2/other_vhosts_access.log chown root:adm /var/log/apache2/other_vhosts_access.log chmod 0640 /var/log/apache2/other_vhosts_access.log fi } is_problematic_index_html () { local FILE="$1" [ -f "$FILE" ] || return 1 local MD5=$(md5sum "$FILE" 2> /dev/null |cut -d' ' -f 1) [ -n "$MD5" ] || return 1 grep -q "$MD5" <<- EOF 1736dfc80cf1f5a8966c096a0b094377 776221a94e5a174dc2396c0f3f6b6a74 51a41c3207374dad24ec64a0f2646bdc c481228d439cbb54bdcedbaec5bbb11a 3183a3d71d86bcc88aaf3ca5cbbefb45 74cec59a19e5d16f7cc6a2445e35fa3b EOF } # XXX: This site is installed in the apache2-data package. Should the postinst # scriptlet move there too? install_default_files() { if is_fresh_install $@ ; then local do_copy=true local dir ext for dir in /var/www /var/www/html ; do for ext in html cgi pl php xhtml htm ; do if [ -e $dir/index.$ext ] ; then do_copy=false break 2 fi done if [ -h $dir/index.html ] ; then do_copy=false break fi done if $do_copy ; then cp /usr/share/apache2/default-site/index.html /var/www/html/index.html fi else # see #821313 for dir in /var/www /var/www/html ; do local file=$dir/index.html if is_problematic_index_html $file ; then cp /usr/share/apache2/default-site/index.html $file fi done fi } start_htcacheclean () { local action if [ -x "/etc/init.d/apache-htcacheclean" ]; then if [ -n "$2" ]; then action=restart else action=start fi invoke-rc.d apache-htcacheclean $action || true fi } disable_htcacheclean() { if deb-systemd-helper debian-installed apache-htcacheclean.service; then deb-systemd-helper disable apache-htcacheclean.service >/dev/null || true fi update-rc.d apache-htcacheclean disable >/dev/null } # The apache-htcacheclean service is disabled by default. Can't use # debhelper. The update-rc.d 'disable' call must come after the 'defaults' # call, or the former will fail. handle_htcacheclean () { if dpkg --compare-versions "$2" lt "2.4.18-2~"; then # Disable on initial installation or when upgrading from an old # version without that init script and with the module disabled # (or when configured to run from cron) if [ ! -e "/etc/apache2/mods-enabled/cache_disk.load" ]; then disable_htcacheclean return elif (. /etc/default/apache-htcacheclean && [ "$HTCACHECLEAN_MODE" = "cron" ]); then disable_htcacheclean return fi fi # Restart it if applicable start_htcacheclean "$@" } msg () { local PRIORITY="$1" local MSG="$2" echo "$PRIORITY: $MSG" if type logger > /dev/null 2>&1 ; then logger -p daemon.$PRIORITY -t apache2.postinst "$MSG" || true fi } execute_deferred_actions () { if [ ! -e /var/lib/apache2/deferred_actions ]; then return 0 fi local error=false cat /var/lib/apache2/deferred_actions | while read PACKAGE FUNCTION ARG1 ARG2 ARG3 do if ! dpkg-query -f '${Status}' -W "$PACKAGE"|egrep -q 'installed|triggers-awaited|triggers-pending' ; then # If the package has been removed again, skip the actions continue fi case "$FUNCTION" in apache2_invoke) case "$ARG1" in enmod|dismod|enconf|disconf|ensite|dissite) # We can ignore reload/restart in ARG3 because apache2 has not # been started, yet. msg "info" "Executing deferred 'a2$ARG1 $ARG2' for package $PACKAGE" a2$ARG1 -m -q "$ARG2" ;; *) msg "error" "'apache2_invoke $ARG1' in /var/lib/apache2/deferred_actions invalid" error=true esac ;; apache2_switch_mpm) local MPM="$ARG1" local CUR_MPM="$(ls /etc/apache2/mods-enabled/mpm_*.load | grep -e event -e prefork -e worker)" CUR_MPM="${CUR_MPM##*/mpm_}" CUR_MPM="${CUR_MPM%.load}" if [ ! -e /etc/apache2/mods-available/mpm_$MPM.load ] ; then msg "error" "mpm $MPM not found in 'apache2_switch_mpm $ARG1' for package $PACKAGE" error=true elif [ -e /etc/apache2/mods-enabled/mpm_$MPM.load ] ; then msg "info" "Switch to mpm $MPM for package $PACKAGE: No action required" else msg "info" "Switch to mpm $MPM for package $PACKAGE" if ! a2dismod -m -q "mpm_$CUR_MPM" || ! a2enmod -m -q "mpm_$MPM" then msg "error" "Switching to mpm $MPM failed" error=true fi fi ;; *) msg "ERROR: function '$FUNCTION' in /var/lib/apache2/deferred_actions invalid" ;; esac done if $error ; then msg "error" "Some deferred actions failed. You will need to fix the configuration manually." fi rm /var/lib/apache2/deferred_actions } list_fixup_conffiles () { cat <<- EOF /etc/bash_completion.d/apache2 /etc/apache2/sites-available/000-default.conf /etc/apache2/sites-available/default-ssl.conf /etc/apache2/conf-available/charset.conf /etc/apache2/conf-available/localized-error-pages.conf /etc/apache2/conf-available/other-vhosts-access-log.conf /etc/apache2/conf-available/security.conf EOF } case "$1" in configure) enable_default_mpm $@ install_default_files $@ enable_default_modules $@ enable_default_conf $@ install_default_site $@ execute_deferred_actions ;; abort-upgrade) ;; abort-remove|abort-deconfigure) ;; *) echo "postinst called with unknown argument \`$1'" >&2 exit 1 ;; esac # Automatically added by dh_installinit/13.14.1ubuntu5 if [ "$1" = "configure" ] || [ "$1" = "abort-upgrade" ] || [ "$1" = "abort-deconfigure" ] || [ "$1" = "abort-remove" ] ; then if [ -z "${DPKG_ROOT:-}" ] && [ -x "/etc/init.d/apache2" ]; then update-rc.d apache2 defaults >/dev/null if [ -n "$2" ]; then _dh_action=restart else _dh_action=start fi invoke-rc.d --skip-systemd-native apache2 $_dh_action || true fi fi # End automatically added section # Automatically added by dh_installinit/13.14.1ubuntu5 if [ "$1" = "configure" ] || [ "$1" = "abort-upgrade" ] || [ "$1" = "abort-deconfigure" ] || [ "$1" = "abort-remove" ] ; then if [ -x "/etc/init.d/apache-htcacheclean" ]; then update-rc.d apache-htcacheclean defaults >/dev/null || exit 1 fi fi # End automatically added section # Automatically added by dh_installsystemd/13.14.1ubuntu5 if [ "$1" = "configure" ] || [ "$1" = "abort-upgrade" ] || [ "$1" = "abort-deconfigure" ] || [ "$1" = "abort-remove" ] ; then # The following line should be removed in trixie or trixie+1 deb-systemd-helper unmask 'apache2.service' >/dev/null || true # was-enabled defaults to true, so new installations run enable. if deb-systemd-helper --quiet was-enabled 'apache2.service'; then # Enables the unit on first installation, creates new # symlinks on upgrades if the unit file has changed. deb-systemd-helper enable 'apache2.service' >/dev/null || true else # Update the statefile to add new symlinks (if any), which need to be # cleaned up on purge. Also remove old symlinks. deb-systemd-helper update-state 'apache2.service' >/dev/null || true fi fi # End automatically added section # Automatically added by dh_installsystemd/13.14.1ubuntu5 if [ "$1" = "configure" ] || [ "$1" = "abort-upgrade" ] || [ "$1" = "abort-deconfigure" ] || [ "$1" = "abort-remove" ] ; then if [ -d /run/systemd/system ]; then systemctl --system daemon-reload >/dev/null || true if [ -n "$2" ]; then _dh_action=restart else _dh_action=start fi deb-systemd-invoke $_dh_action 'apache2.service' >/dev/null || true fi fi # End automatically added section # Automatically added by dh_installsystemd/13.14.1ubuntu5 if [ "$1" = "configure" ] || [ "$1" = "abort-upgrade" ] || [ "$1" = "abort-deconfigure" ] || [ "$1" = "abort-remove" ] ; then # The following line should be removed in trixie or trixie+1 deb-systemd-helper unmask 'apache-htcacheclean.service' >/dev/null || true # was-enabled defaults to true, so new installations run enable. if deb-systemd-helper --quiet was-enabled 'apache-htcacheclean.service'; then # Enables the unit on first installation, creates new # symlinks on upgrades if the unit file has changed. deb-systemd-helper enable 'apache-htcacheclean.service' >/dev/null || true else # Update the statefile to add new symlinks (if any), which need to be # cleaned up on purge. Also remove old symlinks. deb-systemd-helper update-state 'apache-htcacheclean.service' >/dev/null || true fi fi # End automatically added section # Automatically added by dh_installsystemd/13.14.1ubuntu5 if [ "$1" = "configure" ] || [ "$1" = "abort-upgrade" ] || [ "$1" = "abort-deconfigure" ] || [ "$1" = "abort-remove" ] ; then if [ -d /run/systemd/system ]; then systemctl --system daemon-reload >/dev/null || true if [ -n "$2" ]; then _dh_action=restart else _dh_action=start fi deb-systemd-invoke $_dh_action 'apache-htcacheclean.service' >/dev/null || true fi fi # End automatically added section # Deal with htcacheclean after debhelper's initial init script handling case "$1" in configure) handle_htcacheclean $@ ;; abort-upgrade) start_htcacheclean $@ ;; esac exit 0