diff options
Diffstat (limited to 'debian/apache2.postinst')
| -rw-r--r-- | debian/apache2.postinst | 296 |
1 files changed, 296 insertions, 0 deletions
diff --git a/debian/apache2.postinst b/debian/apache2.postinst new file mode 100644 index 0000000..e17a012 --- /dev/null +++ b/debian/apache2.postinst @@ -0,0 +1,296 @@ +#! /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 + +#DEBHELPER# + +# Deal with htcacheclean after debhelper's initial init script handling +case "$1" in + configure) + handle_htcacheclean $@ + ;; + abort-upgrade) + start_htcacheclean $@ + ;; +esac + +exit 0 + +# vim: syntax=sh ts=4 sw=4 sts=4 sr noet |