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# Copyright 2004 Gentoo Foundation
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# Distributed under the terms of the GNU General Public License, v2 or later
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# Author Diego Pettenò <flameeyes@gentoo.org>
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# $Header: /var/cvsroot/gentoo-x86/eclass/pam.eclass,v 1.10 2005/11/03 21:27:02 flameeyes Exp $
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#
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# This eclass contains functions to install pamd configuration files and
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# pam modules.
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inherit multilib
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# dopamd <file> [more files]
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#
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# Install pam auth config file in /etc/pam.d
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dopamd() {
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[[ -z $1 ]] && die "dopamd requires at least one argument"
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if hasq pam ${IUSE} && ! use pam; then
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return 0;
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fi
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( # dont want to pollute calling env
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insinto /etc/pam.d
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insopts -m 0644
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doins "$@"
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) || die "failed to install $@"
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cleanpamd "$@"
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}
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# newpamd <old name> <new name>
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#
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# Install pam file <old name> as <new name> in /etc/pam.d
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newpamd() {
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[[ $# -ne 2 ]] && die "newpamd requires two arguments"
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if hasq pam ${IUSE} && ! use pam; then
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return 0;
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fi
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( # dont want to pollute calling env
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insinto /etc/pam.d
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insopts -m 0644
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newins "$1" "$2"
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) || die "failed to install $1 as $2"
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cleanpamd $2
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}
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# dopamsecurity <section> <file> [more files]
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#
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# Installs the config files in /etc/security/<section>/
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dopamsecurity() {
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[[ $# -lt 2 ]] && die "dopamsecurity requires at least two arguments"
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if hasq pam ${IUSE} && ! use pam; then
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return 0
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fi
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( # dont want to pollute calling env
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insinto /etc/security/$1
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insopts -m 0644
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doins "${@:2}"
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) || die "failed to install ${@:2}"
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}
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# newpamsecurity <section> <old name> <new name>
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#
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# Installs the config file <old name> as <new name> in /etc/security/<section>/
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newpamsecurity() {
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[[ $# -ne 3 ]] && die "newpamsecurity requires three arguments"
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if hasq pam ${IUSE} && ! use pam; then
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return 0;
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fi
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( # dont want to pollute calling env
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insinto /etc/security/$1
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insopts -m 0644
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newins "$2" "$3"
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) || die "failed to install $2 as $3"
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}
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# getpam_mod_dir
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#
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# Returns the pam modules' directory for current implementation
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getpam_mod_dir() {
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if has_version sys-libs/pam || has_version sys-libs/openpam; then
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PAM_MOD_DIR=/$(get_libdir)/security
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elif use ppc-macos; then
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# OSX looks there for pam modules
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PAM_MOD_DIR=/usr/lib/pam
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else
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# Unable to find PAM implementation... defaulting
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PAM_MOD_DIR=/$(get_libdir)/security
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fi
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echo ${PAM_MOD_DIR}
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}
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# dopammod <file> [more files]
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#
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# Install pam module file in the pam modules' dir for current implementation
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dopammod() {
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[[ -z $1 ]] && die "dopammod requires at least one argument"
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if hasq pam ${IUSE} && ! use pam; then
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return 0;
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fi
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exeinto $(getpam_mod_dir)
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doexe "$@" || die "failed to install $@"
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}
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# newpammod <old name> <new name>
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#
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# Install pam module file <old name> as <new name> in the pam
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# modules' dir for current implementation
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newpammod() {
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[[ $# -ne 2 ]] && die "newpammod requires two arguements"
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if hasq pam ${IUSE} && ! use pam; then
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return 0;
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fi
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exeinto $(getpam_mod_dir)
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newexe "$1" "$2" || die "failed to install $1 as $2"
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}
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# pamd_mimic_system <pamd file> [auth levels]
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#
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# This function creates a pamd file which mimics system-auth file
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# for the given levels in the /etc/pam.d directory.
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pamd_mimic_system() {
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[[ $# -lt 2 ]] && die "pamd_mimic_system requires at least two argments"
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if hasq pam ${IUSE} && ! use pam; then
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return 0;
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fi
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dodir /etc/pam.d
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pamdfile=${D}/etc/pam.d/$1
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echo -e "# File autogenerated by pamd_mimic_system in pam eclass\n\n" >> \
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$pamdfile
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authlevels="auth account password session"
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if has_version '<sys-libs/pam-0.78'; then
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mimic="\trequired\t\tpam_stack.so service=system-auth"
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else
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mimic="\tinclude\t\tsystem-auth"
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fi
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shift
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while [[ -n $1 ]]; do
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hasq $1 ${authlevels} || die "unknown level type"
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echo -e "$1${mimic}" >> ${pamdfile}
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shift
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done
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}
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# cleanpamd <pamd file>
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#
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# Cleans a pam.d file from modules that might not be present on the system
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# where it's going to be installed
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cleanpamd() {
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while [[ -n $1 ]]; do
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if ! has_version sys-libs/pam; then
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sed -i -e '/pam_shells\|pam_console/s:^:#:' ${D}/etc/pam.d/$1
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fi
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shift
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done
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}
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