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# Copyright 1999-2010 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: /var/cvsroot/gentoo-x86/app-admin/sudo/sudo-1.7.2_p7.ebuild,v 1.8 2010/06/25 09:25:27 pva Exp $
inherit eutils pam confutils
MY_P=${P/_/}
MY_P=${MY_P/beta/b}
case "${P}" in
*_beta* | *_rc*)
uri_prefix=beta/
;;
*)
uri_prefix=""
;;
esac
DESCRIPTION="Allows users or groups to run commands as other users"
HOMEPAGE="http://www.sudo.ws/"
SRC_URI="ftp://ftp.sudo.ws/pub/sudo/${uri_prefix}${MY_P}.tar.gz"
# Basic license is ISC-style as-is, some files are released under
# 3-clause BSD license
LICENSE="as-is BSD"
SLOT="0"
KEYWORDS="alpha amd64 arm hppa ia64 m68k ~mips ppc ppc64 s390 sh sparc x86 ~sparc-fbsd ~x86-fbsd"
IUSE="pam skey offensive ldap selinux"
DEPEND="pam? ( virtual/pam )
ldap? (
>=net-nds/openldap-2.1.30-r1
dev-libs/cyrus-sasl
)
skey? ( >=sys-auth/skey-1.1.5-r1 )
app-editors/gentoo-editor
virtual/editor
virtual/mta"
RDEPEND="selinux? ( sec-policy/selinux-sudo )
ldap? ( dev-lang/perl )
pam? ( sys-auth/pambase )
${DEPEND}"
DEPEND="${DEPEND} sys-devel/bison"
S=${WORKDIR}/${MY_P}
pkg_setup() {
confutils_use_conflict skey pam
}
src_unpack() {
unpack ${A}; cd "${S}"
# compatability fix.
epatch "${FILESDIR}"/${PN}-skeychallengeargs.diff
# additional variables to disallow, should user disable env_reset.
# NOTE: this is not a supported mode of operation, these variables
# are added to the blacklist as a convenience to administrators
# who fail to heed the warnings of allowing untrusted users
# to access sudo.
#
# there is *no possible way* to foresee all attack vectors in
# all possible applications that could potentially be used via
# sudo, these settings will just delay the inevitable.
#
# that said, I will accept suggestions for variables that can
# be misused in _common_ interpreters or libraries, such as
# perl, bash, python, ruby, etc., in the hope of dissuading
# a casual attacker.
# XXX: perl should be using suid_perl.
# XXX: users can remove/add more via env_delete and env_check.
# XXX: <?> = probably safe enough for most circumstances.
einfo "Blacklisting common variables (env_delete)..."
sudo_bad_var() {
local target='env.c' marker='\*initial_badenv_table\[\]'
ebegin " $1"
sed -i 's#\(^.*'${marker}'.*$\)#\1\n\t"'${1}'",#' "${S}"/${target}
eend $?
}
sudo_bad_var 'PERLIO_DEBUG' # perl, write debug to file.
sudo_bad_var 'FPATH' # ksh, search path for functions.
sudo_bad_var 'NULLCMD' # zsh, command on null-redir. <?>
sudo_bad_var 'READNULLCMD' # zsh, command on null-redir. <?>
sudo_bad_var 'GLOBIGNORE' # bash, glob paterns to ignore. <?>
sudo_bad_var 'PYTHONHOME' # python, module search path.
sudo_bad_var 'PYTHONPATH' # python, search path.
sudo_bad_var 'PYTHONINSPECT' # python, allow inspection.
sudo_bad_var 'RUBYLIB' # ruby, lib load path.
sudo_bad_var 'RUBYOPT' # ruby, cl options.
sudo_bad_var 'ZDOTDIR' # zsh, path to search for dotfiles.
einfo "...done."
# prevent binaries from being stripped.
sed -i 's/\($(INSTALL).*\) -s \(.*[(sudo|visudo)]\)/\1 \2/g' Makefile.in
}
src_compile() {
local line 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..."
# why not use grep? variable might be expanded from other variables
# declared in that file. cannot just source the file, would override
# any variables already set.
eval `PS4= bash -x /etc/profile.env 2>&1 | \
while read line; do
case $line in
ROOTPATH=*) echo $line; break;;
*) continue;;
esac
done` && einfo " Found ROOTPATH..." || \
ewarn " Failed to find ROOTPATH, please report this."
# remove duplicate path entries from $1
cleanpath() {
local i=1 x n IFS=:
local -a paths; paths=($1)
for ((n=${#paths[*]}-1;i<=n;i++)); do
for ((x=0;x<i;x++)); do
test "${paths[i]}" == "${paths[x]}" && {
einfo " Duplicate entry ${paths[i]} removed..." 1>&2
unset paths[i]; continue 2; }
done; # einfo " Adding ${paths[i]}..." 1>&2
done; echo "${paths[*]}"
}
ROOTPATH=$(cleanpath /bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin:/opt/bin${ROOTPATH:+:${ROOTPATH}})
# strip gcc path (bug #136027)
rmpath() {
declare e newpath oldpath=${!1} PATHvar=$1 thisp IFS=:
shift
for thisp in $oldpath; do
for e; do [[ $thisp == $e ]] && continue 2; done
newpath=$newpath:$thisp
done
eval $PATHvar='${newpath#:}'
}
rmpath ROOTPATH '*/gcc-bin/*'
einfo "...done."
# XXX: --disable-path-info closes an info leak, but may be confusing.
econf --with-secure-path="${ROOTPATH}" \
--with-editor=/usr/libexec/gentoo-editor \
--with-env-editor \
$(use_with offensive insults) \
$(use_with offensive all-insults) \
$(use_with pam) \
$(use_with skey) \
$(use_with ldap ldap_conf_file /etc/ldap.conf.sudo) \
$(use_with ldap) || die
emake || die
}
src_install() {
emake DESTDIR="${D}" install || die
dodoc ChangeLog HISTORY PORTING README TROUBLESHOOTING \
UPGRADE WHATSNEW sample.sudoers sample.syslog.conf
if use ldap; then
dodoc README.LDAP schema.OpenLDAP
dosbin sudoers2ldif
cat - > "${T}"/ldap.conf.sudo <<EOF
# See ldap.conf(5) and README.LDAP for details\n"
# This file should only be readable by root\n\n"
# supported directives: host, port, ssl, ldap_version\n"
# uri, binddn, bindpw, sudoers_base, sudoers_debug\n"
# tls_{checkpeer,cacertfile,cacertdir,randfile,ciphers,cert,key
EOF
insinto /etc
doins "${T}"/ldap.conf.sudo
fperms 0440 /etc/ldap.conf.sudo
fi
pamd_mimic system-auth sudo auth account password session
insinto /etc
doins "${S}"/sudoers
fperms 0440 /etc/sudoers
}
pkg_postinst() {
if use ldap; then
ewarn
ewarn "sudo uses the /etc/ldap.conf.sudo file for ldap configuration."
ewarn
if egrep -q '^[[:space:]]*sudoers:' "${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
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."
}
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