# Copyright 1999-2015 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Id$
# @ECLASS: apache-2.eclass
# @MAINTAINER:
# polynomial-c@gentoo.org
# @BLURB: Provides a common set of functions for apache-2.x ebuilds
# @DESCRIPTION:
# This eclass handles apache-2.x ebuild functions such as LoadModule generation
# and inter-module dependency checking.
inherit autotools eutils flag-o-matic multilib ssl-cert user toolchain-funcs versionator
[[ ${CATEGORY}/${PN} != www-servers/apache ]] \
&& die "Do not use this eclass with anything else than www-servers/apache ebuilds!"
case ${EAPI:-0} in
0|1|2|3|4)
die "This eclass requires >=EAPI-5"
;;
esac
# settings which are version specific go in here:
case $(get_version_component_range 1-2) in
2.4)
DEFAULT_MPM_THREADED="event" #509922
RDEPEND=">=dev-libs/apr-1.5.1
!www-apache/mod_macro" #492578 #477702
;;
*)
DEFAULT_MPM_THREADED="worker"
RDEPEND=">=dev-libs/apr-1.4.5" #368651
;;
esac
# ==============================================================================
# INTERNAL VARIABLES
# ==============================================================================
# @ECLASS-VARIABLE: GENTOO_PATCHNAME
# @DESCRIPTION:
# This internal variable contains the prefix for the patch tarball.
# Defaults to the full name and version (including revision) of the package.
# If you want to override this in an ebuild, use:
# ORIG_PR="(revision of Gentoo stuff you want)"
# GENTOO_PATCHNAME="gentoo-${PN}-${PV}${ORIG_PR:+-${ORIG_PR}}"
[[ -n "$GENTOO_PATCHNAME" ]] || GENTOO_PATCHNAME="gentoo-${PF}"
# @ECLASS-VARIABLE: GENTOO_PATCHDIR
# @DESCRIPTION:
# This internal variable contains the working directory where patches and config
# files are located.
# Defaults to the patchset name appended to the working directory.
[[ -n "$GENTOO_PATCHDIR" ]] || GENTOO_PATCHDIR="${WORKDIR}/${GENTOO_PATCHNAME}"
# @VARIABLE: GENTOO_DEVELOPER
# @DESCRIPTION:
# This variable needs to be set in the ebuild and contains the name of the
# gentoo developer who created the patch tarball
# @VARIABLE: GENTOO_PATCHSTAMP
# @DESCRIPTION:
# This variable needs to be set in the ebuild and contains the date the patch
# tarball was created at in YYYYMMDD format
# @VARIABLE: GENTOO_PATCH_A
# @DESCRIPTION:
# This variable should contain the entire filename of patch tarball.
# Defaults to the name of the patchset, with a datestamp.
[[ -n "$GENTOO_PATCH_A" ]] || GENTOO_PATCH_A="${GENTOO_PATCHNAME}-${GENTOO_PATCHSTAMP}.tar.bz2"
SRC_URI="mirror://apache/httpd/httpd-${PV}.tar.bz2
https://dev.gentoo.org/~${GENTOO_DEVELOPER}/dist/apache/${GENTOO_PATCH_A}"
# @VARIABLE: IUSE_MPMS_FORK
# @DESCRIPTION:
# This variable needs to be set in the ebuild and contains a list of forking
# (i.e. non-threaded) MPMs
# @VARIABLE: IUSE_MPMS_THREAD
# @DESCRIPTION:
# This variable needs to be set in the ebuild and contains a list of threaded
# MPMs
# @VARIABLE: IUSE_MODULES
# @DESCRIPTION:
# This variable needs to be set in the ebuild and contains a list of available
# built-in modules
IUSE_MPMS="${IUSE_MPMS_FORK} ${IUSE_MPMS_THREAD}"
IUSE="${IUSE} debug doc ldap selinux ssl static suexec threads"
for module in ${IUSE_MODULES} ; do
IUSE="${IUSE} apache2_modules_${module}"
done
for mpm in ${IUSE_MPMS} ; do
IUSE="${IUSE} apache2_mpms_${mpm}"
done
DEPEND="dev-lang/perl
=dev-libs/apr-1*
=dev-libs/apr-util-1*[ldap?]
dev-libs/libpcre
apache2_modules_deflate? ( sys-libs/zlib )
apache2_modules_mime? ( app-misc/mime-types )
ldap? ( =net-nds/openldap-2* )
ssl? ( >=dev-libs/openssl-0.9.8m:0= )
!=www-servers/apache-1*"
RDEPEND+=" ${DEPEND}
selinux? ( sec-policy/selinux-apache )"
PDEPEND="~app-admin/apache-tools-${PV}"
S="${WORKDIR}/httpd-${PV}"
# ==============================================================================
# INTERNAL FUNCTIONS
# ==============================================================================
# @ECLASS-VARIABLE: MY_MPM
# @DESCRIPTION:
# This internal variable contains the selected MPM after a call to setup_mpm()
# @FUNCTION: setup_mpm
# @DESCRIPTION:
# This internal function makes sure that only one of APACHE2_MPMS was selected
# or a default based on USE=threads is selected if APACHE2_MPMS is empty
setup_mpm() {
MY_MPM=""
for x in ${IUSE_MPMS} ; do
if use apache2_mpms_${x} ; then
if [[ -z "${MY_MPM}" ]] ; then
MY_MPM=${x}
elog
elog "Selected MPM: ${MY_MPM}"
elog
else
eerror "You have selected more then one mpm USE-flag."
eerror "Only one MPM is supported."
die "more then one mpm was specified"
fi
fi
done
if [[ -z "${MY_MPM}" ]] ; then
if use threads ; then
MY_MPM=${DEFAULT_MPM_THREADED}
elog
elog "Selected default threaded MPM: ${MY_MPM}"
elog
else
MY_MPM=prefork
elog
elog "Selected default MPM: ${MY_MPM}"
elog
fi
fi
if has ${MY_MPM} ${IUSE_MPMS_THREAD} && ! use threads ; then
eerror "You have selected a threaded MPM but USE=threads is disabled"
die "invalid use flag combination"
fi
if has ${MY_MPM} ${IUSE_MPMS_FORK} && use threads ; then
eerror "You have selected a non-threaded MPM but USE=threads is enabled"
die "invalid use flag combination"
fi
}
# @VARIABLE: MODULE_CRITICAL
# @DESCRIPTION:
# This variable needs to be set in the ebuild and contains a space-separated
# list of modules critical for the default apache. A user may still
# disable these modules for custom minimal installation at their own risk.
# @FUNCTION: check_module_critical
# @DESCRIPTION:
# This internal function warns the user about modules critical for the default
# apache configuration.
check_module_critical() {
local unsupported=0
for m in ${MODULE_CRITICAL} ; do
if ! has ${m} ${MY_MODS[@]} ; then
ewarn "Module '${m}' is required in the default apache configuration."
unsupported=1
fi
done
if [[ ${unsupported} -ne 0 ]] ; then
ewarn
ewarn "You have disabled one or more required modules"
ewarn "for the default apache configuration."
ewarn "Although this is not an error, please be"
ewarn "aware that this setup is UNSUPPORTED."
ewarn
fi
}
# @VARIABLE: MODULE_DEPENDS
# @DESCRIPTION:
# This variable needs to be set in the ebuild and contains a space-separated
# list of dependency tokens each with a module and the module it depends on
# separated by a colon
# @FUNCTION: check_module_depends
# @DESCRIPTION:
# This internal function makes sure that all inter-module dependencies are
# satisfied with the current module selection
check_module_depends() {
local err=0
for m in ${MY_MODS[@]} ; do
for dep in ${MODULE_DEPENDS} ; do
if [[ "${m}" == "${dep%:*}" ]] ; then
if ! use apache2_modules_${dep#*:} ; then
eerror "Module '${m}' depends on '${dep#*:}'"
err=1
fi
fi
done
done
if [[ ${err} -ne 0 ]] ; then
die "invalid use flag combination"
fi
}
# @ECLASS-VARIABLE: MY_CONF
# @DESCRIPTION:
# This internal variable contains the econf options for the current module
# selection after a call to setup_modules()
# @ECLASS-VARIABLE: MY_MODS
# @DESCRIPTION:
# This internal variable contains a sorted, space separated list of currently
# selected modules after a call to setup_modules()
# @FUNCTION: setup_modules
# @DESCRIPTION:
# This internal function selects all built-in modules based on USE flags and
# APACHE2_MODULES USE_EXPAND flags
setup_modules() {
local mod_type=
if use static ; then
mod_type="static"
else
mod_type="shared"
fi
MY_CONF=( --enable-so=static )
MY_MODS=()
if use ldap ; then
MY_CONF+=( --enable-authnz_ldap=${mod_type} --enable-ldap=${mod_type} )
MY_MODS+=( ldap authnz_ldap )
else
MY_CONF+=( --disable-authnz_ldap --disable-ldap )
fi
if use ssl ; then
MY_CONF+=( --with-ssl="${EPREFIX}"/usr --enable-ssl=${mod_type} )
MY_MODS+=( ssl )
else
MY_CONF+=( --without-ssl --disable-ssl )
fi
if use suexec ; then
elog "You can manipulate several configure options of suexec"
elog "through the following environment variables:"
elog
elog " SUEXEC_SAFEPATH: Default PATH for suexec (default: '${EPREFIX}/usr/local/bin:${EPREFIX}/usr/bin:${EPREFIX}/bin')"
elog " SUEXEC_LOGFILE: Path to the suexec logfile (default: '${EPREFIX}/var/log/apache2/suexec_log')"
elog " SUEXEC_CALLER: Name of the user Apache is running as (default: apache)"
elog " SUEXEC_DOCROOT: Directory in which suexec will run scripts (default: '${EPREFIX}/var/www')"
elog " SUEXEC_MINUID: Minimum UID, which is allowed to run scripts via suexec (default: 1000)"
elog " SUEXEC_MINGID: Minimum GID, which is allowed to run scripts via suexec (default: 100)"
elog " SUEXEC_USERDIR: User subdirectories (like /home/user/html) (default: public_html)"
elog " SUEXEC_UMASK: Umask for the suexec process (default: 077)"
elog
MY_CONF+=( --with-suexec-safepath="${SUEXEC_SAFEPATH:-${EPREFIX}/usr/local/bin:${EPREFIX}/usr/bin:${EPREFIX}/bin}" )
MY_CONF+=( --with-suexec-logfile="${SUEXEC_LOGFILE:-${EPREFIX}/var/log/apache2/suexec_log}" )
MY_CONF+=( --with-suexec-bin="${EPREFIX}/usr/sbin/suexec" )
MY_CONF+=( --with-suexec-userdir=${SUEXEC_USERDIR:-public_html} )
MY_CONF+=( --with-suexec-caller=${SUEXEC_CALLER:-apache} )
MY_CONF+=( --with-suexec-docroot="${SUEXEC_DOCROOT:-${EPREFIX}/var/www}" )
MY_CONF+=( --with-suexec-uidmin=${SUEXEC_MINUID:-1000} )
MY_CONF+=( --with-suexec-gidmin=${SUEXEC_MINGID:-100} )
MY_CONF+=( --with-suexec-umask=${SUEXEC_UMASK:-077} )
MY_CONF+=( --enable-suexec=${mod_type} )
MY_MODS+=( suexec )
else
MY_CONF+=( --disable-suexec )
fi
for x in ${IUSE_MODULES} ; do
if use apache2_modules_${x} ; then
MY_CONF+=( --enable-${x}=${mod_type} )
MY_MODS+=( ${x} )
else
MY_CONF+=( --disable-${x} )
fi
done
# sort and uniquify MY_MODS
MY_MODS=( $(echo ${MY_MODS[@]} | tr ' ' '\n' | sort -u) )
check_module_depends
check_module_critical
}
# @VARIABLE: MODULE_DEFINES
# @DESCRIPTION:
# This variable needs to be set in the ebuild and contains a space-separated
# list of tokens each mapping a module to a runtime define which can be
# specified in APACHE2_OPTS in /etc/conf.d/apache2 to enable this particular
# module.
# @FUNCTION: generate_load_module
# @DESCRIPTION:
# This internal function generates the LoadModule lines for httpd.conf based on
# the current module selection and MODULE_DEFINES
generate_load_module() {
local endit=0 mod_lines= mod_dir="${ED}/usr/$(get_libdir)/apache2/modules"
if use static; then
sed -i -e "/%%LOAD_MODULE%%/d" \
"${GENTOO_PATCHDIR}"/conf/httpd.conf
return
fi
for m in ${MY_MODS[@]} ; do
if [[ -e "${mod_dir}/mod_${m}.so" ]] ; then
for def in ${MODULE_DEFINES} ; do
if [[ "${m}" == "${def%:*}" ]] ; then
mod_lines="${mod_lines}\n