| # Copyright 1999-2009 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_p2-r1.ebuild,v 1.1 2009/12/07 23:19:36 flameeyes 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 ) |
| 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. |
| # XXX: /bin/vi may not be available, make nano visudo's default. |
| econf --with-secure-path="${ROOTPATH}" \ |
| --with-editor="${EDITOR:-/bin/nano}" \ |
| --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 |
| } |