# $Id$

PNAME="pam"
PVER="1.3.0"
PBUILD="r2"

PCAT="sys-libs"

DESCRIPTION="Pluggable Authentication Modules."
HOMEPAGE="http://www.kernel.org/pub/linux/libs/pam/"

DEPEND=">= virtual/glibc
	>= sys-libs/cracklib-2.9
	>= dev-db/db-6.2"

SDEPEND=">= sys-dev/autoconf-5
	>= sys-dev/automake-4
	>= sys-dev/flex-2.5.35"

SRCFILE="Linux-PAM-${PVER}.tar.bz2"
SRCDIR="${BUILDDIR}/Linux-PAM-${PVER}"

PAMCONFIG_PVER="1.7"
PAMCONFIG_SRCFILE="pam-config-${PAMCONFIG_PVER}.tar.bz2"
PAMCONFIG_SRCDIR="${BUILDDIR}/pam-config-${PAMCONFIG_PVER}"

# NOTE: pam builds may break if an older pam is already installed!
sminclude mtools multilib

SRC_URI=(
	http://linux-pam.org/library/${SRCFILE}
	mirror://${PNAME}/${SRCFILE}
	mirror://${PNAME}/${PAMCONFIG_SRCFILE}
	mirror://${PNAME}/${PNAME}-1.1.8-full-relro.patch
)

UP2DATE="updatecmd http://linux-pam.org/library/ | highesttarball"

# the strip option is not allowed, pam needs libpam.a
msetfeature "!strip"

src_prepare()
{
	munpack ${SRCFILE} || die
	SRCDIR=${PAMCONFIG_SRCDIR} munpack ${PAMCONFIG_SRCFILE} || die

	mpatch ${PNAME}-1.1.8-full-relro.patch || die
	mautoreconf || die

	# make sure to install readmes from all modules
	local abi
	for abi in ${MULTILIB_ABIS}
	do
		cd ${SRCDIR}-${abi}
		install -d doc/txts || die
		for readme in modules/pam_*/README
		do
			cp -f "${readme}" doc/txts/README.$(dirname "${readme}" | \
				sed -e 's|^modules/||')
		done

		# search in /usr/lib/cracklib
		sed -i 's|DICT_DIR_CANDIDATES="|&/lib /usr/lib/cracklib |' configure || die
	done
}

src_compile()
{
	mconfigure \
		--libdir=/usr/'$(mlibdir)' \
		--sbindir=/usr/sbin \
		--docdir=/usr/share/doc/${PNAME}-${PVER} \
		--enable-securedir=/usr/'$(mlibdir)'/security \
		--enable-isadir=/usr/'$(mlibdir)'/security \
		--enable-read-both-confs \
		|| die

	# python stuff in docs gives sandbox problems
	all-abis "sed -i 's|modules doc examples|modules|' Makefile" || die

	mmake -j1 || die
}

src_install()
{
	# needed directories
	minstalldir /etc/pam.d || die
	all-abis minstalldir /usr/'$(mlibdir)' || die
	minstalldir /usr/share/doc/${PNAME}-${PVER}/{spec,txt} || die

	mmake -j1 DESTDIR=${BINDIR} install || die

	# fix permissions
	mchmod 4755 /usr/sbin/unix_chkpwd || die

	# install missing man-pages
	minstallman doc/man/*.3  || die
	minstallman doc/man/*.8 || die

	# missing empty dirs
	mkeepdir /etc/security/console.perms.d || die
	mkeepdir /etc/security/namespace.d || die
	mkeepdir /etc/security/limits.d || die

	# install our pam setup
	SRCDIR=${PAMCONFIG_SRCDIR} mmake DESTDIR=${BINDIR} install || die

	minstalldocs CHANGELOG Copyright README || die
	minstallfile doc/specs/\*.raw /usr/share/doc/${PNAME}-${PVER}/spec || die
	minstallfile doc/specs/\*.txt /usr/share/doc/${PNAME}-${PVER}/spec || die
	minstallfile doc/txts/\* /usr/share/doc/${PNAME}-${PVER}/txt || die
	gzip -9r ${BINDIR}/usr/share/doc/${PNAME}-${PVER}/{spec,txt} || die

	# check for pam_cracklib existence or die
	[ -e ${BINDIR}/usr/$(mlibdir)/security/pam_cracklib.so ] || die "pam_cracklib not found, your sys-libs/cracklib installation may be corrupt!"
}

postinstall()
{
	local i
	local conf="halt reboot poweroff"

	# remove deprecated pam configs
	for i in ${conf}
	do
		if [ -f ${MROOT}/etc/pam.d/${i} ]
		then
			rm ${MROOT}/etc/pam.d/${i}
		fi
	done

	# remove deprected nproc.conf
	if [ -f ${MROOT}/etc/security/limits.d/nproc.conf ]
	then
		rm ${MROOT}/etc/security/limits.d/nproc.conf
	fi
}