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SUMMARY = "Linux-PAM (Pluggable Authentication Modules)"
DESCRIPTION = "Linux-PAM (Pluggable Authentication Modules for Linux), a flexible mechanism for authenticating users"
HOMEPAGE = "https://fedorahosted.org/linux-pam/"
BUGTRACKER = "https://fedorahosted.org/linux-pam/newticket"
SECTION = "base"
# PAM is dual licensed under GPL and BSD.
# /etc/pam.d comes from Debian libpam-runtime in 2009-11 (at that time 
# libpam-runtime-1.0.1 is GPLv2+), by openembedded
LICENSE = "GPLv2+ | BSD"
LIC_FILES_CHKSUM = "file://COPYING;md5=7eb5c1bf854e8881005d673599ee74d3"

SRC_URI = "http://linux-pam.org/library/Linux-PAM-${PV}.tar.bz2 \
           file://99_pam \
           file://pam.d/common-account \
           file://pam.d/common-auth \
           file://pam.d/common-password \
           file://pam.d/common-session \
           file://pam.d/common-session-noninteractive \
           file://pam.d/other \
           ${@bb.utils.contains('DISTRO_FEATURES', 'systemd', 'file://pam.d/system-auth', '', d)} \
           file://libpam-xtests.patch \
           file://destdirfix.patch \
           file://fixsepbuild.patch \
           file://reflect-the-enforce_for_root-semantics-change-in-pam.patch \
           file://add-checks-for-crypt-returning-NULL.patch \
           file://libpam-fix-for-CVE-2010-4708.patch \
           file://pam-security-abstract-securetty-handling.patch \
           file://pam-unix-nullok-secure.patch \
           file://pam_timestamp-fix-potential-directory-traversal-issu.patch \
           file://libpam-xtests-remove-bash-dependency.patch \
          "
SRC_URI[md5sum] = "7b73e58b7ce79ffa321d408de06db2c4"
SRC_URI[sha256sum] = "bab887d6280f47fc3963df3b95735a27a16f0f663636163ddf3acab5f1149fc2"

SRC_URI_append_libc-uclibc = " file://pam-no-innetgr.patch"

DEPENDS = "bison flex flex-native cracklib"

EXTRA_OECONF = "--with-db-uniquename=_pam \
                --includedir=${includedir}/security \
                --libdir=${base_libdir} \
                --disable-nis \
                --disable-regenerate-docu \
		--disable-prelude"

CFLAGS_append = " -fPIC "

PR = "r5"

S = "${WORKDIR}/Linux-PAM-${PV}"

inherit autotools gettext pkgconfig

PACKAGECONFIG[audit] = "--enable-audit,--disable-audit,audit,"

PACKAGES += "${PN}-runtime ${PN}-xtests"
FILES_${PN} = "${base_libdir}/lib*${SOLIBS}"
FILES_${PN}-dbg += "${base_libdir}/security/.debug \
                    ${base_libdir}/security/pam_filter/.debug \
                    ${datadir}/Linux-PAM/xtests/.debug"

FILES_${PN}-dev += "${base_libdir}/security/*.la ${base_libdir}/*.la ${base_libdir}/lib*${SOLIBSDEV}"
FILES_${PN}-runtime = "${sysconfdir}"
FILES_${PN}-xtests = "${datadir}/Linux-PAM/xtests"

PACKAGES_DYNAMIC += "^${MLPREFIX}pam-plugin-.*"

def get_multilib_bit(d):
    baselib = d.getVar('baselib', True) or ''
    return baselib.replace('lib', '')

libpam_suffix = "suffix${@get_multilib_bit(d)}"

RPROVIDES_${PN} += "${PN}-${libpam_suffix}"
RPROVIDES_${PN}-runtime += "${PN}-runtime-${libpam_suffix}"

RDEPENDS_${PN}-runtime = "${PN}-${libpam_suffix} \
    ${MLPREFIX}pam-plugin-deny-${libpam_suffix} \
    ${MLPREFIX}pam-plugin-permit-${libpam_suffix} \
    ${MLPREFIX}pam-plugin-warn-${libpam_suffix} \
    ${MLPREFIX}pam-plugin-unix-${libpam_suffix} \
    "
RDEPENDS_${PN}-xtests = "${PN}-${libpam_suffix} \
    ${MLPREFIX}pam-plugin-access-${libpam_suffix} \
    ${MLPREFIX}pam-plugin-debug-${libpam_suffix} \
    ${MLPREFIX}pam-plugin-cracklib-${libpam_suffix} \
    ${MLPREFIX}pam-plugin-pwhistory-${libpam_suffix} \
    ${MLPREFIX}pam-plugin-succeed-if-${libpam_suffix} \
    ${MLPREFIX}pam-plugin-time-${libpam_suffix} \
    coreutils"

# FIXME: Native suffix breaks here, disable it for now
RRECOMMENDS_${PN} = "${PN}-runtime-${libpam_suffix}"
RRECOMMENDS_${PN}_class-native = ""

python populate_packages_prepend () {
    def pam_plugin_append_file(pn, dir, file):
        nf = os.path.join(dir, file)
        of = d.getVar('FILES_' + pn, True)
        if of:
            nf = of + " " + nf
        d.setVar('FILES_' + pn, nf)

    def pam_plugin_hook(file, pkg, pattern, format, basename):
        pn = d.getVar('PN', True)
        libpam_suffix = d.getVar('libpam_suffix', True)

        rdeps = d.getVar('RDEPENDS_' + pkg, True)
        if rdeps:
            rdeps = rdeps + " " + pn + "-" + libpam_suffix
        else:
            rdeps = pn + "-" + libpam_suffix
        d.setVar('RDEPENDS_' + pkg, rdeps)

        provides = d.getVar('RPROVIDES_' + pkg, True)
        if provides:
            provides = provides + " " + pkg + "-" + libpam_suffix
        else:
            provides = pkg + "-" + libpam_suffix
        d.setVar('RPROVIDES_' + pkg, provides)

    mlprefix = d.getVar('MLPREFIX', True) or ''
    dvar = bb.data.expand('${WORKDIR}/package', d, True)
    pam_libdir = d.expand('${base_libdir}/security')
    pam_sbindir = d.expand('${sbindir}')
    pam_filterdir = d.expand('${base_libdir}/security/pam_filter')
    pam_pkgname = mlprefix + 'pam-plugin%s'

    do_split_packages(d, pam_libdir, '^pam(.*)\.so$', pam_pkgname,
                      'PAM plugin for %s', hook=pam_plugin_hook, extra_depends='')
    pam_plugin_append_file('%spam-plugin-unix' % mlprefix, pam_sbindir, 'unix_chkpwd')
    pam_plugin_append_file('%spam-plugin-unix' % mlprefix, pam_sbindir, 'unix_update')
    pam_plugin_append_file('%spam-plugin-tally' % mlprefix, pam_sbindir, 'pam_tally')
    pam_plugin_append_file('%spam-plugin-tally2' % mlprefix, pam_sbindir, 'pam_tally2')
    pam_plugin_append_file('%spam-plugin-timestamp' % mlprefix, pam_sbindir, 'pam_timestamp_check')
    pam_plugin_append_file('%spam-plugin-mkhomedir' % mlprefix, pam_sbindir, 'mkhomedir_helper')
    do_split_packages(d, pam_filterdir, '^(.*)$', 'pam-filter-%s', 'PAM filter for %s', extra_depends='')
}

do_install() {
	autotools_do_install

	# don't install /var/run when populating rootfs. Do it through volatile
	rm -rf ${D}${localstatedir}
	install -d ${D}${sysconfdir}/default/volatiles
	install -m 0644 ${WORKDIR}/99_pam ${D}${sysconfdir}/default/volatiles

	install -d ${D}${sysconfdir}/pam.d/     
	install -m 0644 ${WORKDIR}/pam.d/* ${D}${sysconfdir}/pam.d/

	# The lsb requires unix_chkpwd has setuid permission
	chmod 4755 ${D}${sbindir}/unix_chkpwd

	if ${@bb.utils.contains('DISTRO_FEATURES','systemd','true','false',d)}; then
		echo "session optional pam_systemd.so" >> ${D}${sysconfdir}/pam.d/common-session
	fi
}

python do_pam_sanity () {
    if not bb.utils.contains('DISTRO_FEATURES', 'pam', True, False, d):
        bb.warn("Building libpam but 'pam' isn't in DISTRO_FEATURES, PAM won't work correctly")
}
addtask pam_sanity before do_configure

BBCLASSEXTEND = "nativesdk native"