# Copyright 1999-2007 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: /var/cvsroot/gentoo-x86/www-servers/apache/apache-2.0.58-r2.ebuild,v 1.3 2007/09/16 11:07:34 hollow Exp $

inherit eutils flag-o-matic gnuconfig multilib

# latest gentoo apache files
GENTOO_PATCHNAME="gentoo-apache-${PVR}"
GENTOO_PATCHSTAMP="20060726"
GENTOO_DEVSPACE="vericgar"
GENTOO_PATCHDIR="${WORKDIR}/${GENTOO_PATCHNAME}"

DESCRIPTION="The Apache Web Server"
HOMEPAGE="http://httpd.apache.org/"
SRC_URI="mirror://apache/httpd/httpd-${PV}.tar.bz2
	http://dev.gentoo.org/~${GENTOO_DEVSPACE}/dist/apache/${GENTOO_PATCHNAME}-${GENTOO_PATCHSTAMP}.tar.bz2"

LICENSE="Apache-2.0"
SLOT="2"
KEYWORDS="alpha amd64 arm hppa ia64 mips ppc ppc64 s390 sh sparc x86 ~x86-fbsd"
IUSE="apache2 debug doc ldap mpm-itk mpm-leader mpm-peruser mpm-prefork mpm-threadpool mpm-worker ssl static-modules threads selinux"

RDEPEND="dev-lang/perl
	=dev-libs/apr-0*
	=dev-libs/apr-util-0*
	dev-libs/expat
	app-misc/mime-types
	sys-libs/zlib
	mpm-itk? ( sys-libs/libcap )
	ssl? ( dev-libs/openssl )
	selinux? ( sec-policy/selinux-apache )
	!mips? ( ldap? ( =net-nds/openldap-2* ) )"
DEPEND="${RDEPEND}
	>=sys-devel/autoconf-2.59-r4"

S="${WORKDIR}/httpd-${PV}"

big_fat_warnings() {

	if use ldap && ! built_with_use 'dev-libs/apr-util' ldap; then
		eerror "dev-libs/apr-util is missing LDAP support. For apache to have"
		eerror "ldap support, apr-util must be built with the ldap USE-flag"
		eerror "enabled."
		die "ldap USE-flag enabled while not supported in apr-util"
	fi

	if use mpm-peruser || use mpm-itk; then
		ewarn "-BIG- -FAT- -WARNING-"
		ewarn
		ewarn "The peruser (USE=mpm-peruser) and itk (USE=mpm-itk) MPMs are considered"
		ewarn "highly experimental and are not (yet) supported, nor are they recommended"
		ewarn "for production use. You have been warned!"
		ewarn
		ewarn "Continuing in 5 seconds ..."
		sleep 5
	fi

}

pkg_setup() {
	big_fat_warnings
	select_mpms

	# setup apache user and group
	enewgroup apache 81
	enewuser apache 81 -1 /var/www apache

}

src_unpack() {
	unpack ${A} || die
	cd ${S} || die

	# Use correct multilib libdir in gentoo patches
	sed -i -e "s:/usr/lib:/usr/$(get_libdir):g" \
		${GENTOO_PATCHDIR}/{conf/httpd.conf,init/*,patches/config.layout} \
		|| die "sed failed"

	EPATCH_SUFFIX="patch"
	epatch ${GENTOO_PATCHDIR}/patches/[0-9]* || die "internal ebuild error"

	# avoid utf-8 charset problems
	export LC_CTYPE=C

	# setup the filesystem layout config
	cat ${GENTOO_PATCHDIR}/patches/config.layout >> config.layout
	sed -i -e 's:version:${PF}:g' config.layout

	# peruser need to build conf
	WANT_AUTOCONF=2.5 ./buildconf || die "buildconf failed"
}

src_compile() {

	# bug 128505
	filter-ldflags -Wl,--as-needed --as-needed

	# actually we do not provide a very dynamic way of those vars
	# however, you may predefine them in shell before emerging
	# to override the official default locations

	# standard location for Gentoo Linux
	USERDIR="${USERDIR:-public_html}"

	einfo "USERDIR is set to: ${USERDIR}"

	select_mpms

	# Detect mips and uclibc systems properly
	gnuconfig_update

	local modtype
	if useq static-modules; then
		modtype="static"
	else
		modtype="shared"
	fi

	select_modules_config || die "determining modules"

	local myconf
	useq ldap && myconf="${myconf} --enable-auth-ldap=${modtype} --enable-ldap=${modtype}"
	useq ssl && myconf="${myconf} --with-ssl=/usr  --enable-ssl=${modtype}"
	useq ssl || myconf="${myconf} --disable-ssl"

	# Fix for bug #24215 - robbat2@gentoo.org, 30 Oct 2003
	# We pre-load the cache with the correct answer!  This avoids
	# it violating the sandbox.  This may have to be changed for
	# non-Linux systems or if sem_open changes on Linux.  This
	# hack is built around documentation in /usr/include/semaphore.h
	# and the glibc (pthread) source
	echo 'ac_cv_func_sem_open=${ac_cv_func_sem_open=no}' >> ${S}/config.cache

# no more USE=no-suexec because of bug 148082
# see the 2.2 ebuilds for how this can be done cleanly with a working system
# "out of the box"
#	if useq no-suexec; then
#		myconf="${myconf} --disable-suexec"
#	else
		myconf="${myconf}
				--with-suexec-safepath="/usr/local/bin:/usr/bin:/bin" \
				--with-suexec-logfile=/var/log/apache2/suexec_log \
				--with-suexec-bin=/usr/sbin/suexec2 \
				--with-suexec-userdir=${USERDIR} \
				--with-suexec-caller=apache \
				--with-suexec-docroot=/var/www \
				--with-suexec-uidmin=1000 \
				--with-suexec-gidmin=100 \
				--with-suexec-umask=077 \
				--enable-suexec=shared"
#	fi

	# common confopts
	myconf="${myconf} \
			--with-apr=/usr \
			--with-apr-util=/usr \
			--cache-file=${S}/config.cache \
			--with-perl=/usr/bin/perl \
			--with-expat=/usr \
			--with-z=/usr \
			--with-port=80 \
			--enable-layout=Gentoo \
			--with-program-name=apache2 \
			--with-devrandom=/dev/urandom \
			--host=${CHOST} ${MY_BUILTINS}"

	# debugging support
	if useq debug ; then
		myconf="${myconf} --enable-maintainer-mode"
	fi

	./configure --with-mpm=${mpm} ${myconf} ${EXTRA_ECONF} || die "bad ./configure please submit bug report to bugs.gentoo.org. Include your config.layout and config.log"

	# we don't want to try and recompile the ssl_expr_parse.c file, because
	# the lex source is broken
	touch modules/ssl/ssl_expr_scan.c

	# as decided on IRC-AGENDA-10.2004, we use httpd.conf as standard config file name
	sed -i -e 's:apache2\.conf:httpd.conf:' include/ap_config_auto.h

	emake || die "problem compiling apache2"

	# build ssl version of apache bench (ab-ssl)
	if useq ssl; then
		cd support
		rm -f ab .libs/ab ab.lo ab.o
		make ab CFLAGS="${CFLAGS} -DUSE_SSL -lcrypto -lssl -I/usr/include/openssl -L/usr/$(get_libdir)" || die
		mv ab ab-ssl
		rm -f ab.lo ab.o
		make ab || die
	fi
}

src_install () {
	# general install
	make DESTDIR=${D} install || die
	dodoc ABOUT_APACHE CHANGES INSTALL LAYOUT LICENSE README* ${GENTOO_PATCHDIR}/docs/robots.txt

	# protect the suexec binary
#	if ! useq no-suexec; then
		fowners root:apache /usr/sbin/suexec
		fperms 4710 /usr/sbin/suexec
#	fi

	# apxs needs this to pickup the right lib for install
	dosym /usr/$(get_libdir) /usr/$(get_libdir)/apache2/lib
	dosym /var/log/apache2 /usr/$(get_libdir)/apache2/logs
	dosym /etc/apache2 /usr/$(get_libdir)/apache2/conf

	# Credits to advx.org people for these scripts. Heck, thanks for
	# the nice layout and everything else ;-)
	exeinto /usr/sbin
	for i in apache2logserverstatus apache2splitlogfile; do
		doexe ${GENTOO_PATCHDIR}/scripts/${i}
	done
	# gentestcrt.sh only if USE=ssl
	useq ssl && doexe ${GENTOO_PATCHDIR}/scripts/gentestcrt.sh

	# some more scripts
	for i in split-logfile list_hooks.pl logresolve.pl log_server_status; do
		doexe ${S}/support/${i}
	done

	# the ssl version of apache bench
	useq ssl && doexe support/ab-ssl

	# install mpm bins
	doexe ${S}/apache2

	# modules.d config file snippets
	insinto /etc/apache2/modules.d
	doins ${GENTOO_PATCHDIR}/conf/modules.d/45_mod_dav.conf
	useq ldap && doins ${GENTOO_PATCHDIR}/conf/modules.d/46_mod_ldap.conf
	if useq ssl; then
		doins ${GENTOO_PATCHDIR}/conf/modules.d/40_mod_ssl.conf
		doins ${GENTOO_PATCHDIR}/conf/modules.d/41_mod_ssl.default-vhost.conf
	fi

	# drop in a convenient link to the manual
	if useq doc; then
		insinto /etc/apache2/modules.d
		doins ${GENTOO_PATCHDIR}/conf/modules.d/00_apache_manual.conf
		sed -i -e "s:2.0.49:${PVR}:" ${D}/etc/apache2/modules.d/00_apache_manual.conf
	else
		rm -rf ${D}/usr/share/doc/${PF}/manual
	fi

	# SLOT=2
	cd ${D}
	for i in htdigest htpasswd logresolve apxs ab rotatelogs dbmmanage checkgid split-logfile; do
		mv -v usr/sbin/${i} usr/sbin/${i}2
	done
	mv -v usr/sbin/apachectl usr/sbin/apache2ctl
	mv -v usr/sbin/list_hooks.pl usr/sbin/list_hooks2.pl
	mv -v usr/sbin/logresolve.pl usr/sbin/logresolve2.pl
	useq ssl && mv -v usr/sbin/ab-ssl usr/sbin/ab2-ssl
#	useq no-suexec ||
	mv -v usr/sbin/suexec usr/sbin/suexec2

	# do the man pages
	for i in htdigest.1 htpasswd.1 dbmmanage.1; do
		mv -v usr/share/man/man1/${i} usr/share/man/man1/${i/./2.}
	done
	for i in ab.8 apxs.8 logresolve.8 rotatelogs.8; do
		mv -v usr/share/man/man8/${i} usr/share/man/man8/${i/./2.}
	done
	#useq no-suexec ||
	mv -v usr/share/man/man8/suexec.8 usr/share/man/man8/suexec2.8

	mv -v usr/share/man/man8/apachectl.8 usr/share/man/man8/apache2ctl.8
	mv -v usr/share/man/man8/httpd.8 usr/share/man/man8/apache2.8

	# tidy up
	mv usr/sbin/envvars* usr/$(get_libdir)/apache2/build
	dodoc etc/apache2/*-std.conf
	rm -f etc/apache2/*.conf
	rm -f etc/apache2/mime.types
	rm -rf var/run var/log

	# the default webroot gets stored in /usr/share/doc
	einfo "Installing default webroot to /usr/share/doc/${PF}"
	mv ${D}/var/www/localhost ${D}/usr/share/doc/${PF}/webroot

	# config files
	newconfd ${GENTOO_PATCHDIR}/init/apache2.confd apache2
	newinitd ${GENTOO_PATCHDIR}/init/apache2.initd apache2

	insinto /etc/logrotate.d
	newins ${GENTOO_PATCHDIR}/scripts/apache2-logrotate apache2

	insinto /etc/apache2
	doins ${GENTOO_PATCHDIR}/conf/apache2-builtin-mods
	doins ${GENTOO_PATCHDIR}/conf/httpd.conf

	insinto /etc/apache2/vhosts.d
	doins ${GENTOO_PATCHDIR}/conf/vhosts.d/00_default_vhost.conf

	keepdir /etc/apache2/vhosts.d
	keepdir /etc/apache2/modules.d

	# fix bug 92348
	fperms 755 /usr/sbin/apache2logserverstatus
	fperms 755 /usr/sbin/apache2splitlogfile

	# empty dirs
	for i in /var/lib/dav /var/log/apache2 /var/cache/apache2; do
		keepdir ${i}
		fowners apache:apache ${i}
		fperms 755 ${i}
	done

	# We'll be needing /etc/apache2/ssl if USE=ssl
	useq ssl && keepdir /etc/apache2/ssl

}

pkg_postinst() {
	# Automatically generate test ceritificates if ssl USE flag is being set
	if use ssl && [[ ! -e ${ROOT}/etc/apache2/ssl/server.crt ]]; then
		cd ${ROOT}/etc/apache2/ssl
		einfo
		einfo "Generating self-signed test certificate in /etc/apache2/ssl..."
		yes "" 2>/dev/null | \
			${ROOT}/usr/sbin/gentestcrt.sh >/dev/null 2>&1 || \
			die "gentestcrt.sh failed"
		einfo
	fi

	# we do this here because the default webroot is a copy of the files
	# that exist elsewhere and we don't want them managed/removed by portage
	# when apache is upgraded.
	if [ -e "${ROOT}/var/www/localhost" ]; then
		einfo "The default webroot has not been installed into"
		einfo "${ROOT}/var/www/localhost because the directory already exists"
		einfo "and we do not want to overwrite any files you have put there."
		einfo
		einfo "If you would like to install the latest webroot, please run"
		einfo "emerge --config =${PF}"
	else
		einfo "Installing default webroot to ${ROOT}/var/www/localhost"
		mkdir -p ${ROOT}/var/www/localhost
		cp -r ${ROOT}/usr/share/doc/${PF}/webroot/* ${ROOT}/var/www/localhost
		chown -R apache: ${ROOT}/var/www/localhost
	fi

	# Check for dual/upgrade install
	if has_version '=www-servers/apache-1*' || ! use apache2 ; then
		ewarn
		ewarn "Please add the 'apache2' flag to your USE variable and (re)install"
		ewarn "any additional DSO modules you may wish to use with Apache-2.x."
		ewarn "Addon modules are configured in /etc/apache2/modules.d/"
		ewarn
	fi

	# Check for obsolete symlinks
	local list=""
	for i in lib logs modules extramodules; do
		local d="/etc/apache2/${i}"
		[ -s "${d}" ] && list="${list} ${d}"
	done
	[ -n "${list}" ] && einfo "You should delete these old symlinks: ${list}"

	if has_version '<www-servers/apache-2.0.54-r30' && has_version '>=www-servers/apache-2.0.0' ; then
		einfo "Configuration locations have changed, you will need to migrate"
		einfo "your configuration from /etc/apache2/conf/apache2.conf and"
		einfo "/etc/apache2/conf/commonapache2.conf to /etc/apache2/httpd.conf."
		einfo
		einfo "Apache now checks for the old configuration and refuses to start"
		einfo "if it exists. You must remove the old configuration first"
		einfo
		einfo "You should also at this time rebuild all your modules"
		einfo
		einfo "For more information, see"
		einfo "    http://www.gentoo.org/doc/en/apache-upgrading.xml"
		einfo
	fi

	big_fat_warnings
}

pkg_config() {

	einfo "Installing default webroot to ${ROOT}/var/www/localhost"
	mkdir -p ${ROOT}/var/www/localhost
	cp -r ${ROOT}/usr/share/doc/${PF}/webroot/* ${ROOT}/var/www/localhost
	chown -R apache: ${ROOT}/var/www/localhost

}

mpm_die() {
	eerror "You attempted to specify the MPM $1, but MPM $2 was already specified."
	eerror "The apache ebuilds no longer support multiple MPM installations.  Please choose"
	eerror "one MPM and reinstall."
	die "More than one MPM was specified."
}

select_mpms() {

	mpm=""

	for trympm in prefork worker peruser threadpool leader itk; do
		if useq mpm-${trympm}; then
			if [ "x${mpm}" = "x" ]; then
				mpm=${trympm}
			else
				mpm_die ${trympm} ${mpm}
			fi
		fi
	done

	if [ "x${mpm}" = "x" ]; then
		if useq threads; then
			einfo "Threads specified without a mpm-specification, using mpm-worker."
			mpm="worker"
		else
			einfo "No MPM style was specified, defaulting to mpm-prefork."
			mpm="prefork"
		fi
	fi

}

parse_modules_config() {
	local name=""
	local disable=""
	[ -f ${1} ] || return 1

	for i in `cat $1 | sed "s/^#.*//"`; do
		if [ $i == "-" ]; then
			disable="true"
		elif [ -z "$name" ] && [ ! -z "`echo $i | grep "mod_"`" ]; then
			name=`echo $i | sed "s/mod_//"`
		elif [ "$disable" ] && ( [ $i == "static" ] || [ $i == "shared" ] ); then
			MY_BUILTINS="${MY_BUILTINS} --disable-$name"
			name="" ; disable=""
		elif [ $i == "static" ] || useq static-modules; then
			MY_BUILTINS="${MY_BUILTINS} --enable-$name=yes"
			name="" ; disable=""
		elif [ $i == "shared" ]; then
			MY_BUILTINS="${MY_BUILTINS} --enable-$name=shared"
			name="" ; disable=""
		fi
	done

	einfo "${1} options:\n${MY_BUILTINS}"
}

select_modules_config() {
	parse_modules_config /etc/apache2/apache2-builtin-mods || \
	parse_modules_config ${GENTOO_PATCHDIR}/conf/apache2-builtin-mods || \
	return 1
}

# vim:ts=4