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241 lines
7.0 KiB
241 lines
7.0 KiB
# Copyright 1999-2011 Gentoo Foundation
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# Distributed under the terms of the GNU General Public License v2
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# $Header: /var/cvsroot/gentoo-x86/app-admin/sudo/sudo-1.7.4_p5.ebuild,v 1.9 2011/12/29 21:33:54 ulm Exp $
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inherit eutils pam
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MY_P=${P/_/}
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MY_P=${MY_P/beta/b}
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case "${P}" in
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*_beta* | *_rc*)
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uri_prefix=beta/
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;;
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*)
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uri_prefix=""
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;;
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esac
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DESCRIPTION="Allows users or groups to run commands as other users"
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HOMEPAGE="http://www.sudo.ws/"
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SRC_URI="http://www.sudo.ws/sudo/dist/${uri_prefix}${MY_P}.tar.gz
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ftp://ftp.sudo.ws/pub/sudo/${uri_prefix}${MY_P}.tar.gz"
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# Basic license is ISC-style as-is, some files are released under
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# 3-clause BSD license
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LICENSE="as-is BSD"
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SLOT="0"
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KEYWORDS="alpha amd64 arm hppa ia64 m68k ~mips ppc ppc64 s390 sh sparc x86 ~sparc-fbsd ~x86-fbsd"
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IUSE="pam skey offensive ldap selinux"
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DEPEND="pam? ( virtual/pam )
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ldap? (
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>=net-nds/openldap-2.1.30-r1
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dev-libs/cyrus-sasl
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)
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!pam? ( skey? ( >=sys-auth/skey-1.1.5-r1 ) )
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>=app-misc/editor-wrapper-3
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virtual/editor
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virtual/mta"
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RDEPEND="selinux? ( sec-policy/selinux-sudo )
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ldap? ( dev-lang/perl )
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pam? ( sys-auth/pambase )
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${DEPEND}"
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DEPEND="${DEPEND}
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sys-devel/bison"
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S=${WORKDIR}/${MY_P}
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pkg_setup() {
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if use pam && use skey; then
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ewarn "You cannot enable both S/KEY and PAM at the same time, PAM will"
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ewarn "be used then."
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fi
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}
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src_unpack() {
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unpack ${A}; cd "${S}"
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# compatability fix.
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epatch "${FILESDIR}"/${PN}-skeychallengeargs.diff
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# additional variables to disallow, should user disable env_reset.
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# NOTE: this is not a supported mode of operation, these variables
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# are added to the blacklist as a convenience to administrators
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# who fail to heed the warnings of allowing untrusted users
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# to access sudo.
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#
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# there is *no possible way* to foresee all attack vectors in
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# all possible applications that could potentially be used via
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# sudo, these settings will just delay the inevitable.
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#
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# that said, I will accept suggestions for variables that can
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# be misused in _common_ interpreters or libraries, such as
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# perl, bash, python, ruby, etc., in the hope of dissuading
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# a casual attacker.
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# XXX: perl should be using suid_perl.
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# XXX: users can remove/add more via env_delete and env_check.
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# XXX: <?> = probably safe enough for most circumstances.
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einfo "Blacklisting common variables (env_delete)..."
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sudo_bad_var() {
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local target='env.c' marker='\*initial_badenv_table\[\]'
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ebegin " $1"
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sed -i 's#\(^.*'${marker}'.*$\)#\1\n\t"'${1}'",#' "${S}"/${target}
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eend $?
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}
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sudo_bad_var 'PERLIO_DEBUG' # perl, write debug to file.
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sudo_bad_var 'FPATH' # ksh, search path for functions.
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sudo_bad_var 'NULLCMD' # zsh, command on null-redir. <?>
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sudo_bad_var 'READNULLCMD' # zsh, command on null-redir. <?>
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sudo_bad_var 'GLOBIGNORE' # bash, glob paterns to ignore. <?>
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sudo_bad_var 'PYTHONHOME' # python, module search path.
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sudo_bad_var 'PYTHONPATH' # python, search path.
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sudo_bad_var 'PYTHONINSPECT' # python, allow inspection.
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sudo_bad_var 'RUBYLIB' # ruby, lib load path.
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sudo_bad_var 'RUBYOPT' # ruby, cl options.
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sudo_bad_var 'ZDOTDIR' # zsh, path to search for dotfiles.
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einfo "...done."
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# prevent binaries from being stripped.
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sed -i 's/\($(INSTALL).*\) -s \(.*[(sudo|visudo)]\)/\1 \2/g' Makefile.in
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}
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src_compile() {
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local line ROOTPATH
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# FIXME: secure_path is a compile time setting. using ROOTPATH
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# is not perfect, env-update may invalidate this, but until it
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# is available as a sudoers setting this will have to do.
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einfo "Setting secure_path..."
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# why not use grep? variable might be expanded from other variables
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# declared in that file. cannot just source the file, would override
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# any variables already set.
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eval `PS4= bash -x /etc/profile.env 2>&1 | \
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while read line; do
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case $line in
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ROOTPATH=*) echo $line; break;;
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*) continue;;
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esac
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done` && einfo " Found ROOTPATH..." || \
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ewarn " Failed to find ROOTPATH, please report this."
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# remove duplicate path entries from $1
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cleanpath() {
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local i=1 x n IFS=:
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local -a paths; paths=($1)
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for ((n=${#paths[*]}-1;i<=n;i++)); do
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for ((x=0;x<i;x++)); do
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test "${paths[i]}" == "${paths[x]}" && {
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einfo " Duplicate entry ${paths[i]} removed..." 1>&2
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unset paths[i]; continue 2; }
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done; # einfo " Adding ${paths[i]}..." 1>&2
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done; echo "${paths[*]}"
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}
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ROOTPATH=$(cleanpath /bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin:/opt/bin${ROOTPATH:+:${ROOTPATH}})
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# strip gcc path (bug #136027)
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rmpath() {
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declare e newpath oldpath=${!1} PATHvar=$1 thisp IFS=:
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shift
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for thisp in $oldpath; do
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for e; do [[ $thisp == $e ]] && continue 2; done
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newpath=$newpath:$thisp
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done
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eval $PATHvar='${newpath#:}'
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}
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rmpath ROOTPATH '*/gcc-bin/*'
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einfo "...done."
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if use pam; then
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myconf="--with-pam --without-skey"
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elif use skey; then
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myconf="--without-pam --with-skey"
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else
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myconf="--without-pam --without-skey"
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fi
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# audit: somebody got to explain me how I can test this before I
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# enable it.. — Diego
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econf --with-secure-path="${ROOTPATH}" \
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--with-editor=/usr/libexec/editor \
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--with-env-editor \
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$(use_with offensive insults) \
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$(use_with offensive all-insults) \
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$(use_with ldap ldap_conf_file /etc/ldap.conf.sudo) \
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$(use_with ldap) \
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--without-linux-audit \
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--with-timedir=/var/db/sudo \
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--docdir=/usr/share/doc/${PF} \
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${myconf}
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emake || die
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}
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src_install() {
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emake DESTDIR="${D}" install || die
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if use ldap; then
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dodoc README.LDAP schema.OpenLDAP
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dosbin sudoers2ldif
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cat - > "${T}"/ldap.conf.sudo <<EOF
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# See ldap.conf(5) and README.LDAP for details\n"
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# This file should only be readable by root\n\n"
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# supported directives: host, port, ssl, ldap_version\n"
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# uri, binddn, bindpw, sudoers_base, sudoers_debug\n"
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# tls_{checkpeer,cacertfile,cacertdir,randfile,ciphers,cert,key
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EOF
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insinto /etc
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doins "${T}"/ldap.conf.sudo
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fperms 0440 /etc/ldap.conf.sudo
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fi
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pamd_mimic system-auth sudo auth account session
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insinto /etc
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doins "${S}"/sudoers
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fperms 0440 /etc/sudoers
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keepdir /var/db/sudo
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fperms 0700 /var/db/sudo
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}
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pkg_postinst() {
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if use ldap; then
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ewarn
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ewarn "sudo uses the /etc/ldap.conf.sudo file for ldap configuration."
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ewarn
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if egrep -q '^[[:space:]]*sudoers:' "${ROOT}"/etc/nsswitch.conf; then
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ewarn "In 1.7 series, LDAP is no more consulted, unless explicitly"
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ewarn "configured in /etc/nsswitch.conf."
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ewarn
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ewarn "To make use of LDAP, add this line to your /etc/nsswitch.conf:"
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ewarn " sudoers: ldap files"
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ewarn
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fi
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fi
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elog "To use the -A (askpass) option, you need to install a compatible"
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elog "password program from the following list. Starred packages will"
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elog "automatically register for the use with sudo (but will not force"
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elog "the -A option):"
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elog ""
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elog " [*] net-misc/ssh-askpass-fullscreen"
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elog " net-misc/x11-ssh-askpass"
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elog ""
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elog "You can override the choice by setting the SUDO_ASKPASS environmnent"
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elog "variable to the program you want to use."
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}
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