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#!/bin/sh # # php-maintscript-helper - PHP helper function for maintainer scripts # # Copyright (C) 2012 Arno Töll <debian@toell.net> # 2013 Ondřej Surý <ondrej@sury.org> # # Permission is hereby granted, free of charge, to any person obtaining a copy of # this software and associated documentation files (the "Software"), to deal in # the Software without restriction, including without limitation the rights to # use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of # the Software, and to permit persons to whom the Software is furnished to do so, # subject to the following conditions: # # The above copyright notice and this permission notice shall be included in all # copies or substantial portions of the Software. # # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS # FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR # COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER # IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN # CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. # # VARIABLES # # global environment variables used by php-maintscript-helper: # * PHP_MAINTSCRIPT_DEBUG: # set this to any non-zero value to get debug output # * PHP_MAINTSCRIPT_HELPER_QUIET: # set this to any non-zero value to omit any output # * EXPORT_PHP_MAINTSCRIPT_HELPER: # will be defined by php-maintscript-helper # to avoid inclusion loops. Do not set this # variable manually # * PHP_NEED_ACTION: # will be defined if a function call wants to # override the behavior of php_needs_action. # Do not rely on this variable. It is considered # an implementation detail. # * PHP_MAINTSCRIPT_NAME # * PHP_MAINTSCRIPT_PACKAGE # * PHP_MAINTSCRIPT_METHOD # * PHP_MAINTSCRIPT_ARGUMENT # these variables contain information about the # maintainer script which is calling the # maintscript-helper. It contains arguments which # dpkg supplies to maintainer scripts and similar # information. These variables are an # implementation detail and not to be changed. # # You might want to set them manually only if you # are calling php-maintscript-helper from # some place which does not preserve the original # script arguments for example when calling from # a subfunction instead of the main function in # your maintainer script # # INITIALIZATION # if [ -n "${EXPORT_PHP_MAINTSCRIPT_HELPER:-}" ] ; then return else EXPORT_PHP_MAINTSCRIPT_HELPER=1 if [ -n "${PHP_MAINTSCRIPT_DEBUG:-}" ] ; then set -x fi if [ -z "$1" ] ; then echo "You must invoke php-maintscript-helper with an unmodified environment when sourcing it" >&2 return 1 fi PHP_MAINTSCRIPT_NAME="$DPKG_MAINTSCRIPT_NAME" [ "$PHP_MAINTSCRIPT_NAME" ] \|\| PHP_MAINTSCRIPT_NAME="${0##.}" case "$PHP_MAINTSCRIPT_NAME" in preinst\|prerm\|postrm\|postinst) # yay - recognized script ;; ) echo "php-maintscript-helper invoked from an unrecognized maintainer script: exiting" >&2 return 1 ;; esac PHP_MAINTSCRIPT_PACKAGE="$DPKG_MAINTSCRIPT_PACKAGE" if [ -z "$PHP_MAINTSCRIPT_PACKAGE" ]; then PHP_MAINTSCRIPT_PACKAGE="${0##/}" PHP_MAINTSCRIPT_PACKAGE="${PHP_MAINTSCRIPT_PACKAGE%.}" fi if [ -z "$PHP_MAINTSCRIPT_METHOD" ] ; then PHP_MAINTSCRIPT_METHOD="$1" fi case "$PHP_MAINTSCRIPT_METHOD" in install\|upgrade\|abort-upgrade\|configure\|abort-remove\|abort-remove\|abort-deconfigure\|remove\|failed-upgrade\|purge\|disappear\|abort-install) # yay - recognized script ;; ) echo "php-maintscript-helper invoked from a modified environment. Please hint required arguments manually" >&2 return 1 ;; esac if [ -z "$PHP_MAINTSCRIPT_ARGUMENT" ] ; then PHP_MAINTSCRIPT_ARGUMENT="${2:-}" fi fi # # FUNCTIONS # # # Function php_msg # print out a warning to both, the syslog and a local standard output. # This function should generally be used to display messages related to # the web server in maintainer scripts. # Parameters: # priority # The message priority. Recognized values are the same as defined # by syslog(3), thus: one among debug, info, notice, warning, # err, crit, alert, emerg. # If no known priority is recognized, the priority is set to # "warning". # message # The message as a string. It is printed out verbatim. # Behavior: # No message is displayed if PHP_MAINTSCRIPT_HELPER_QUIET is defined # Returns: # this function always returns 0 # Since: 5.5.0+dfsg-7 php_msg() { local PRIORITY="$1" local MSG="$2" case "$PRIORITY" in debug\|info\|notice\|warning\|err\|crit\|alert\|emerg) ;; ) PRIORITY="warning" ;; esac [ -z "$PHP_MAINTSCRIPT_HELPER_QUIET" ] && ( [ -n "${PHP_MAINTSCRIPT_DEBUG:-}" ] \|\| [ "$PRIORITY" != "debug" ] ) && echo "$MSG" >&2 [ -x /usr/bin/logger ] \|\| return 0 local LOGGER="/usr/bin/logger -p daemon.$PRIORITY -t $PHP_MAINTSCRIPT_PACKAGE " $LOGGER "$MSG" \|\| return 0 } # # Function php_invoke # invokes an PHP configuration helper to enable or disable a # particular piece of configuration, a site or a module. It carefully # checks whether the supplied configuration snippet exists and reloads the # web server if the site administrator desires that by call dpkg trigger # /etc/php/VERSION/SAPI/conf.d which is defined for apache2, apache2filter and fpm. # # Parameters: # command - The command to invoke. Recognized commands are "enconf", # "enmod", "ensite", "disconf", "dismod", "dissite" # # sapi - Either the specific SAPI (apache2, apache2filter, fpm, # cgi, cli, embed, phpdbg) or ALL # # arguments # - A single argument (e.g. a module) which shall be # enabled or disabled respectively. # # Returns # 0 if the changes could be activated # 1 otherwise # Since: 5.5.0+dsfg-7 php_invoke() { local CMD=$1 local VERSION=$2 local SAPI=$3 local MOD=$4 local check_switch="" local invoke_string="" local rcd_action="" local rcd_scripts="" local sapi_list="" [ -x "/usr/local/lsws/lsphp74/bin/php$CMD" ] \|\| return 1 [ -x "/usr/local/lsws/lsphp74/bin/phpquery" ] \|\| return 1 version_list="$VERSION" case "$VERSION" in ALL) version_list=$(/usr/local/lsws/lsphp74/bin/phpquery -V) ;; ) # FIXME - check if the version is supported ;; esac for VERSION in $version_list; do sapi_list="$SAPI" case "$SAPI" in apache2\|apache2filter\|fpm\|cli\|cgi\|embed\|phpdbg) ;; ALL) sapi_list=$(/usr/local/lsws/lsphp74/bin/phpquery -S -v $VERSION) case "$CMD" in enmod\|dismod) /usr/local/lsws/lsphp74/bin/php$CMD -q -m -r "$MOD" \|\| return 1 ;; ) return 1 ;; esac ;; ) return 1 ;; esac for SAPI in $sapi_list; do case "$CMD" in enmod) local phpquery_ret=0 /usr/local/lsws/lsphp74/bin/phpquery -v "$VERSION" -s "$SAPI" -m "$MOD" > /dev/null 2>&1 \|\| phpquery_ret=$? if [ "$phpquery_ret" -eq 0 ] ; then # configuration is already enabled /usr/local/lsws/lsphp74/bin/php$CMD -m -v "$VERSION" -s "$SAPI" -q "$MOD" > /dev/null 2>&1 \|\| return 1 php_msg "debug" "php_invoke $MOD: already enabled for PHP $VERSION $SAPI SAPI" PHP_NEED_ACTION=1 elif [ "$phpquery_ret" -eq 32 ] ; then # the maintainer disabled the module php_msg "info" "php_invoke $MOD: no action - module was disabled by maintainer for PHP $VERSION $SAPI SAPI" return 0 else # coming here either means: # a) we have no clue about the module (e.g. for upgrades prior to maintscript-helper # b) it's a fresh install PHP_NEED_ACTION=1 /usr/local/lsws/lsphp74/bin/php$CMD -m -v "$VERSION" -s "$SAPI" -q "$MOD" > /dev/null 2>&1 \|\| return 1 php_msg "info" "php_invoke: Enable module $MOD for $SAPI SAPI" fi ;; dismod) local phpquery_ret=0 /usr/local/lsws/lsphp74/bin/phpquery -v "$VERSION" -s "$SAPI" -m "$MOD" > /dev/null 2>&1 \|\| phpquery_ret=$? if [ "$phpquery_ret" -eq 0 ] ; then if [ "$PHP_MAINTSCRIPT_NAME" = 'postrm' ] && [ "$PHP_MAINTSCRIPT_METHOD" = "purge" ] ; then /usr/local/lsws/lsphp74/bin/php$CMD -p -f -v "$VERSION" -s "$SAPI" -q "$MOD" \|\| return 1 php_msg "debug" "php_invoke $PHP_MAINTSCRIPT_NAME: Purging module $MOD for $SAPI SAPI" PHP_NEED_ACTION=1 elif [ "$PHP_MAINTSCRIPT_NAME" = 'postrm' ] \|\| [ "$PHP_MAINTSCRIPT_NAME" = 'prerm' ] ; then if [ "$PHP_MAINTSCRIPT_METHOD" = "remove" ] ; then /usr/local/lsws/lsphp74/bin/php$CMD -m -f -v "$VERSION" -s "$SAPI" -q "$MOD" \|\| return 1 php_msg "info" "php_invoke $PHP_MAINTSCRIPT_NAME: Disable module $MOD for $SAPI SAPI" PHP_NEED_ACTION=1 fi else php_msg "error" "php_invoke: module $MOD not supported in $PHP_MAINTSCRIPT_NAME for PHP $VERSION $SAPI SAPI" return 1 fi elif [ "$phpquery_ret" -eq 32 ] \|\| [ "$phpquery_ret" -eq 33 ] ; then if [ "$PHP_MAINTSCRIPT_NAME" = 'postrm' ] && [ "$PHP_MAINTSCRIPT_METHOD" = "purge" ] ; then php_msg "debug" "php_invoke $PHP_MAINTSCRIPT_NAME: Purging state for $MOD for PHP $VERSION $SAPI SAPI" # this will return RC=1 ( php$CMD -p -f -v "$VERSION" -s "$SAPI" -q "$MOD" > /dev/null 2>&1 ) else php_msg "debug" "php_invoke $MOD $PHP_MAINTSCRIPT_NAME: No action required for PHP $VERSION $SAPI SAPI" fi else php_msg "debug" "php_invoke $MOD $PHP_MAINTSCRIPT_NAME: No action required for PHP $VERSION $SAPI SAPI" fi ;; ) return 1 ;; esac if [ -n "${PHP_NEED_ACTION:-}" -a -n "$rcd_action" ]; then dpkg-trigger /etc/php/$VERSION/$SAPI/conf.d fi done done } # vim: syntax=sh sw=8 sts=8 sr noet

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