Merge pull request #3210 from dm0-/sudo

Enable SSSD and LDAP sudoers support

sdk_container/src/third_party/coreos-overlay/app-admin/sudo/Manifest

@@ -0,0 +1 @@
+DIST sudo-1.8.23.tar.gz 3150674 BLAKE2B 11b1c7bfa372005cda8baf651c4662f6fd15e94ca77f7705b23ca6573424796d5c1f8e47e2874c4b54017141d01a632885ac60c92346d932537048373cad0ede SHA512 a9d61850a4857bfd075547a13efb13b054e4736e3ebe3c8a98a90a090b1d9b9688354ec9725fc99d1d256999b6f9c6ae6215ce9770fcdebd7f24731107b48342

sdk_container/src/third_party/coreos-overlay/app-admin/sudo/metadata.xml

@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<pkgmetadata>
+	<maintainer type="project">
+		<email>base-system@gentoo.org</email>
+		<name>Gentoo Base System</name>
+	</maintainer>
+	<longdescription lang="en">
+		Sudo (superuser do) allows a system administrator to give certain
+		users (or groups of users) the ability to run some (or all)
+		commands as root or another user while logging the commands and
+		arguments.
+	</longdescription>
+	<use>
+		<flag name="gcrypt">Use SHA2 from <pkg>dev-libs/libgcrypt</pkg> instead of sudo's internal SHA2</flag>
+		<flag name="offensive">Let sudo print insults when the user types the wrong password</flag>
+		<flag name="openssl">Use SHA2 from <pkg>dev-libs/openssl</pkg> instead of sudo's internal SHA2</flag>
+		<flag name="sendmail">Allow sudo to send emails with sendmail</flag>
+	</use>
+	<upstream>
+		<remote-id type="cpe">cpe:/a:todd_miller:sudo</remote-id>
+	</upstream>
+</pkgmetadata>

sdk_container/src/third_party/coreos-overlay/app-admin/sudo/sudo-1.8.23.ebuild

@@ -0,0 +1,221 @@
+# Copyright 1999-2018 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=6
+
+inherit eutils pam multilib libtool
+
+MY_P=${P/_/}
+MY_P=${MY_P/beta/b}
+
+uri_prefix=
+case ${P} in
+	*_beta*|*_rc*) uri_prefix=beta/ ;;
+esac
+
+DESCRIPTION="Allows users or groups to run commands as other users"
+HOMEPAGE="https://www.sudo.ws/"
+SRC_URI="https://www.sudo.ws/sudo/dist/${uri_prefix}${MY_P}.tar.gz
+	ftp://ftp.sudo.ws/pub/sudo/${uri_prefix}${MY_P}.tar.gz"
+
+# Basic license is ISC-style as-is, some files are released under
+# 3-clause BSD license
+LICENSE="ISC BSD"
+SLOT="0"
+if [[ ${PV} != *_beta* ]] && [[ ${PV} != *_rc* ]] ; then
+	KEYWORDS="~alpha amd64 ~arm arm64 ~hppa ~ia64 ~m68k ~mips ~ppc ~ppc64 ~s390 ~sh ~sparc ~x86 ~amd64-fbsd ~x86-fbsd ~sparc-solaris"
+fi
+IUSE="gcrypt ldap nls pam offensive openssl sasl selinux +sendmail skey sssd"
+
+CDEPEND="
+	gcrypt? ( dev-libs/libgcrypt:= )
+	openssl? ( dev-libs/openssl:0= )
+	pam? ( virtual/pam )
+	sasl? ( dev-libs/cyrus-sasl )
+	skey? ( >=sys-auth/skey-1.1.5-r1 )
+	ldap? (
+		>=net-nds/openldap-2.1.30-r1
+		dev-libs/cyrus-sasl
+	)
+	sys-libs/zlib
+"
+RDEPEND="
+	${CDEPEND}
+	selinux? ( sec-policy/selinux-sudo )
+	pam? ( sys-auth/pambase )
+	>=app-misc/editor-wrapper-3
+	virtual/editor
+	sendmail? ( virtual/mta )
+"
+DEPEND="
+	${CDEPEND}
+	sys-devel/bison
+"
+
+S="${WORKDIR}/${MY_P}"
+
+REQUIRED_USE="
+	pam? ( !skey )
+	skey? ( !pam )
+	?? ( gcrypt openssl )
+"
+
+MAKEOPTS+=" SAMPLES="
+
+src_prepare() {
+	default
+	elibtoolize
+}
+
+set_rootpath() {
+	# FIXME: secure_path is a compile time setting. using ROOTPATH
+	# is not perfect, env-update may invalidate this, but until it
+	# is available as a sudoers setting this will have to do.
+	einfo "Setting secure_path ..."
+
+	# first extract the default ROOTPATH from build env
+	ROOTPATH=$(unset ROOTPATH; . "${EPREFIX}"/etc/profile.env; echo "${ROOTPATH}")
+	if [[ -z ${ROOTPATH} ]] ; then
+		ewarn "	Failed to find ROOTPATH, please report this"
+	fi
+
+	# then remove duplicate path entries
+	cleanpath() {
+		local newpath thisp IFS=:
+		for thisp in $1 ; do
+			if [[ :${newpath}: != *:${thisp}:* ]] ; then
+				newpath+=:$thisp
+			else
+				einfo "   Duplicate entry ${thisp} removed..."
+			fi
+		done
+		ROOTPATH=${newpath#:}
+	}
+	cleanpath /bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin:/opt/bin${ROOTPATH:+:${ROOTPATH}}
+
+	# finally, strip gcc paths #136027
+	rmpath() {
+		local e newpath thisp IFS=:
+		for thisp in ${ROOTPATH} ; do
+			for e ; do [[ $thisp == $e ]] && continue 2 ; done
+			newpath+=:$thisp
+		done
+		ROOTPATH=${newpath#:}
+	}
+	rmpath '*/gcc-bin/*' '*/gnat-gcc-bin/*' '*/gnat-gcc/*'
+
+	einfo "... done"
+}
+
+src_configure() {
+	local ROOTPATH
+	set_rootpath
+
+	# audit: somebody got to explain me how I can test this before I
+	# enable it.. - Diego
+	# plugindir: autoconf code is crappy and does not delay evaluation
+	# until `make` time, so we have to use a full path here rather than
+	# basing off other values.
+	myeconfargs=(
+		--enable-zlib=system
+		--with-editor="${EPREFIX}"/usr/libexec/editor
+		--with-env-editor
+		--with-plugindir="${EPREFIX}"/usr/$(get_libdir)/sudo
+		--with-rundir="${EPREFIX}"/var/run/sudo
+		--with-secure-path="${ROOTPATH}"
+		--with-vardir="${EPREFIX}"/var/db/sudo
+		--without-linux-audit
+		--without-opie
+		$(use_enable gcrypt)
+		$(use_enable nls)
+		$(use_enable openssl)
+		$(use_enable sasl)
+		$(use_with offensive insults)
+		$(use_with offensive all-insults)
+		$(use_with ldap ldap_conf_file /etc/ldap.conf.sudo)
+		$(use_with ldap)
+		$(use_with pam)
+		$(use_with skey)
+		$(use_with selinux)
+		$(use_with sendmail)
+		$(use_with sssd)
+	)
+	econf "${myeconfargs[@]}"
+}
+
+src_install() {
+	default
+
+	if use ldap ; then
+		dodoc README.LDAP
+
+		cat <<-EOF > "${T}"/ldap.conf.sudo
+		# See ldap.conf(5) and README.LDAP for details
+		# This file should only be readable by root
+
+		# supported directives: host, port, ssl, ldap_version
+		# uri, binddn, bindpw, sudoers_base, sudoers_debug
+		# tls_{checkpeer,cacertfile,cacertdir,randfile,ciphers,cert,key}
+		EOF
+
+		insinto /etc
+		doins "${T}"/ldap.conf.sudo
+		fperms 0440 /etc/ldap.conf.sudo
+	fi
+
+	pamd_mimic system-auth sudo auth account session
+
+	keepdir /var/db/sudo/lectured
+	fperms 0700 /var/db/sudo/lectured
+	fperms 0711 /var/db/sudo #652958
+
+	# Don't install into /var/run as that is a tmpfs most of the time
+	# (bug #504854)
+	rm -rf "${ED}"/var/run
+}
+
+pkg_postinst() {
+	#652958
+	local sudo_db="${EROOT}/var/db/sudo"
+	if [[ "$(stat -c %a "${sudo_db}")" -ne 711 ]] ; then
+		chmod 711 "${sudo_db}" || die
+	fi
+
+	if use ldap ; then
+		ewarn
+		ewarn "sudo uses the /etc/ldap.conf.sudo file for ldap configuration."
+		ewarn
+		if grep -qs '^[[:space:]]*sudoers:' "${ROOT}"/etc/nsswitch.conf ; then
+			ewarn "In 1.7 series, LDAP is no more consulted, unless explicitly"
+			ewarn "configured in /etc/nsswitch.conf."
+			ewarn
+			ewarn "To make use of LDAP, add this line to your /etc/nsswitch.conf:"
+			ewarn "  sudoers: ldap files"
+			ewarn
+		fi
+	fi
+	if use prefix ; then
+		ewarn
+		ewarn "To use sudo, you need to change file ownership and permissions"
+		ewarn "with root privileges, as follows:"
+		ewarn
+		ewarn "  # chown root:root ${EPREFIX}/usr/bin/sudo"
+		ewarn "  # chown root:root ${EPREFIX}/usr/lib/sudo/sudoers.so"
+		ewarn "  # chown root:root ${EPREFIX}/etc/sudoers"
+		ewarn "  # chown root:root ${EPREFIX}/etc/sudoers.d"
+		ewarn "  # chown root:root ${EPREFIX}/var/db/sudo"
+		ewarn "  # chmod 4111 ${EPREFIX}/usr/bin/sudo"
+		ewarn
+	fi
+
+	elog "To use the -A (askpass) option, you need to install a compatible"
+	elog "password program from the following list. Starred packages will"
+	elog "automatically register for the use with sudo (but will not force"
+	elog "the -A option):"
+	elog ""
+	elog " [*] net-misc/ssh-askpass-fullscreen"
+	elog "     net-misc/x11-ssh-askpass"
+	elog ""
+	elog "You can override the choice by setting the SUDO_ASKPASS environmnent"
+	elog "variable to the program you want to use."
+}

sdk_container/src/third_party/coreos-overlay/profiles/coreos/arm64/package.accept_keywords

@@ -1,7 +1,6 @@
 # arm64 keywords
 # Keep these in alphabetical order.
 
-=app-admin/sudo-1.8.20_p2 ~arm64
 =app-arch/bzip2-1.0.6-r8 ~arm64
 =app-arch/libarchive-3.3.1 ~arm64
 =app-crypt/mit-krb5-1.14.2 ~arm64

sdk_container/src/third_party/coreos-overlay/profiles/coreos/arm64/use.mask

@@ -0,0 +1 @@
+-ldap

sdk_container/src/third_party/coreos-overlay/profiles/coreos/targets/generic/make.defaults

@@ -67,3 +67,7 @@ INSTALL_MASK="${INSTALL_MASK}
   /etc/ssl/misc/tsget
 "
 
+# Remove tools that don't need to be installed on every server.
+INSTALL_MASK="${INSTALL_MASK}
+  /usr/bin/cvtsudoers
+"

sdk_container/src/third_party/coreos-overlay/profiles/coreos/targets/generic/package.use

@@ -1,6 +1,7 @@
 # Copyright (c) 2009 The Chromium OS Authors. All rights reserved.
 # Distributed under the terms of the GNU General Public License v2
 
+app-admin/sudo		ldap sssd
 app-editors/vim		minimal
 dev-lang/python		-berkdb gdbm
 dev-libs/dbus-glib	tools