#!/bin/sh
#
# Copyright (c) 1996, 1997, 1998 S.u.S.E. GmbH
# Copyright (c) 1998, 1999, 2000, 2001 SuSE GmbH
# Copyright (c) 2002, 2003, (2004?) SuSE Linux AG
# Copyright (c) 2004(?), 2005, 2006, 2007, 2008 SUSE Linux Products GmbH
#
# Authors: Rolf Haberrecker <apache@suse.de>, 2001
#          Peter Poeml <apache@suse.de>, 2002, 2003, 2004, 2005, 2006, 2007, 
#                                        2008, 2009, 2010
#
#

. /usr/share/apache2/script-helpers

#
# which instance should we will run
#

unset instance_suffix
if [ -n "$HTTPD_INSTANCE" ]; then 
  instance_suffix="@$HTTPD_INSTANCE"
fi

#
# load sysconfig variables APACHE_* from instance sysconfig
# file
#
export SYSCONFIG_FILE=/etc/sysconfig/apache2${instance_suffix}
load_sysconfig

unset server_flags
#
# server_flags: -DSYSCONFIG
#
if [ -f "$SYSCONFIG_FILE" ]; then
  server_flags="$server_flags -DSYSCONFIG"
fi

#
# figure out correct apache2 binary (/usr/sbin/httpd-prefork,
# /usr/sbin/httpd-worker, etc.) and serverflags
#
find_mpm
if [ -n "$HTTPD_MPM" ]; then
    apache_bin="$HTTPD_SBIN_BASE-$HTTPD_MPM"
    if ! [ -x $apache_bin ]; then
        echo >&2 "$apache_bin-$APACHE_MPM is not a valid httpd binary."
	echo >&2 "Check your APACHE_MPM setting in /etc/sysconfig/apache2."
	exit 1
    fi
else
  echo >&2 "${warn}No Apache binary found. No MPM package installed? $norm"
  echo >&2 "Hint: install the apache2-prefork package, and try again."
  exit 1
fi

# server flags from APACHE_SERVER_FLAGS
for i in $APACHE_SERVER_FLAGS; do
	case $i in 
	-D)	;;
	-D*)	server_flags="$server_flags $i";;
	*)	server_flags="$server_flags -D$i";;
	esac
done

#
# head configuration file
#
httpd_conf=${APACHE_HTTPD_CONF:-/etc/apache2${instance_suffix}/httpd.conf}

#
# where to write configuration depending on sysconfig variables
#
sysconfd_dir=$(dirname $httpd_conf)/sysconfig${instance_suffix}.d/

#
# set PidFile to this file name; PidFile should not
# be used in the configuration to change this, otherwise
# stopping will not work
#
pid_file=/var/run/httpd${instance_suffix}.pid

unset sysconfig_setting
#
# involve the sysconfig variables
#
mkdir -p ${sysconfd_dir} || exit 1
for c in global.conf include.conf loadmodule.conf; do
  echo "# File generated from $SYSCONFIG_FILE, do not edit. Edit the sysconfig file instead." > ${sysconfd_dir}/$c
done
# APACHE_ACCESS_LOG -> global.conf
if [ -n "$APACHE_ACCESS_LOG" ]; then
    echo "CustomLog $APACHE_ACCESS_LOG" >> ${sysconfd_dir}/global.conf
fi
# APACHE_CONF_INCLUDE_FILES -> include.conf
for file in $APACHE_CONF_INCLUDE_FILES; do
    echo "Include $file" >> include.conf
done
# APACHE_CONF_INCLUDE_DIRS -> include.conf
for dir in $APACHE_CONF_INCLUDE_DIRS; do
    echo "Include $dir" >> include.conf
done
# APACHE_SERVERADMIN -> global.conf
if [ -n "$APACHE_SERVERADMIN" ]; then
    echo "ServerAdmin $APACHE_SERVERADMIN" >> ${sysconfd_dir}/global.conf
fi
# APACHE_SERVERNAME -> global.conf
if [ -n "$APACHE_SERVERNAME" ]; then
    echo "ServerName $APACHE_SERVERNAME" >> ${sysconfd_dir}/global.conf
fi
# APACHE_START_TIMEOUT
# not used nowadays
# APACHE_SERVERSIGNATURE -> global.conf
if [ -n "$APACHE_SERVERSIGNATURE" ]; then
    echo "ServerSignature $APACHE_SERVERSIGNATURE" >> ${sysconfd_dir}/global.conf
fi
# APACHE_LOGLEVEL -> global.conf
if [ -n "$APACHE_LOGLEVEL" ]; then
    echo "LogLevel $APACHE_LOGLEVEL" >> global.conf
fi
# APACHE_USE_CANONICAL_NAME -> global.conf
if [ -n "$APACHE_USE_CANONICAL_NAME" ]; then
    echo "UseCanonicalName $APACHE_USE_CANONICAL_NAME" >> ${sysconfd_dir}/global.conf
fi
# APACHE_SERVERTOKENS -> global.conf
if [ -n "$APACHE_SERVERTOKENS" ]; then
    echo "ServerTokens $APACHE_SERVERTOKENS" >> ${sysconfd_dir}/global.conf
fi
# APACHE_EXTENDED_STATUS -> global.conf
if [ -n "$APACHE_EXTENDED_STATUS" ]; then
    echo "ExtendedStatus $APACHE_EXTENDED_STATUS" >> ${sysconfd_dir}/global.conf
fi
# APACHE_MODULES -> loadmodule.conf
get_module_list
module_ids=($HTTPD_MODULE_IDS)
module_paths=($HTTPD_MODULE_PATHS)
for i in "${!module_ids[@]}"; do
    echo "LoadModule ${module_ids[$i]} ${module_paths[$i]}" >> ${sysconfd_dir}/loadmodule.conf
done

#
# a proper home should be set, otherwise the server might end up 
# with HOME=/root and some script might try to use that
#
HOME=/var/lib/apache2${instance_suffix}

#
# run Apache
#

exec $apache_bin -f $httpd_conf $server_flags \
        -C "PidFile $pid_file" \
        -C "Include $sysconfd_dir" \
        "${sysconfig_setting[@]}" \
        $@

exit 0