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#!/bin/sh |
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# |
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# This script changes selinux file labels for cgi scripts. |
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# It may be useful for Linux installations with SELinux (like CentOS, Fedora, |
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# RedHat among others) and having it enabled (enforcing mode). |
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# |
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# Copyright 2012 Rijksmuseum |
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# |
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# This file is part of Koha. |
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# |
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# Koha is free software; you can redistribute it and/or modify it |
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# under the terms of the GNU General Public License as published by |
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# the Free Software Foundation; either version 3 of the License, or |
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# (at your option) any later version. |
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# |
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# Koha is distributed in the hope that it will be useful, but |
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# WITHOUT ANY WARRANTY; without even the implied warranty of |
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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# GNU General Public License for more details. |
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# |
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# You should have received a copy of the GNU General Public License |
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# along with Koha; if not, see <http://www.gnu.org/licenses>. |
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usage() { |
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echo "Usage: set-selinux-labels [-h] [-u] [-r] [-s] [-v]" |
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echo " -h prints help information." |
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echo " -u updates the selinux label for scripts in Koha installation." |
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echo " Note: you should be in the root directory of a Koha install." |
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echo " -r uses restorecon on scripts to restore default label." |
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echo " -s shows all files (incl. scripts), not having default label." |
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echo " -v provides (verbose) diagnostics per file (for update/restore)." |
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echo |
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echo "The output of -s may be confusing, but it does not reset any labels. It only prints informational messages from restorecon with -n flag." |
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} |
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updatelabel() { |
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#Now set perl scripts to httpd_sys_script_exec_t |
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#We skip scripts in: misc docs t xt and atomicupdate |
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find -name "*.pl" -and ! -path "./docs/*" -and ! -path "./misc/*" -and ! -path "./t/*" -and ! -path "./xt/*" -and ! -path "./installer/data/mysql/atomicupdate/*" | xargs chcon $verbose -t httpd_sys_script_exec_t |
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#Handle exceptions to the rule: scripts without .pl |
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chcon $verbose -t httpd_sys_script_exec_t opac/unapi |
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find opac/svc -type f | xargs chcon $verbose -t httpd_sys_script_exec_t |
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find svc -type f | xargs chcon $verbose -t httpd_sys_script_exec_t |
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} |
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restorelabel() { |
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find -name "*.pl" -and ! -path "./docs/*" -and ! -path "./misc/*" -and ! -path "./t/*" -and ! -path "./xt/*" -and ! -path "./installer/data/mysql/atomicupdate/*" | xargs restorecon $verbose |
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restorecon $verbose opac/unapi |
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find opac/svc -type f | xargs restorecon $verbose |
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find svc -type f | xargs restorecon $verbose |
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} |
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showlabel() { |
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restorecon -r -n -v * |
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} |
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#First: check on chcon xargs restorecon |
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chcon --help >/dev/null 2>&1 |
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retval=$? |
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if [ $retval -ne 0 ]; then |
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echo "Chcon command not found. Exiting script now."; |
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exit; |
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fi |
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xargs --help >/dev/null 2>&1 |
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retval=$? |
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if [ $retval -ne 0 ]; then |
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echo "Xargs command not found. Exiting script now."; |
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exit; |
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fi |
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restorecon -n >/dev/null 2>&1 |
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retval=$? |
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if [ $retval -ne 0 ]; then |
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echo "Restorecon command not found. Exiting script now."; |
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exit; |
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fi |
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#No arguments? |
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if [ $# -eq 0 ]; then |
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usage |
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exit |
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fi |
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#Check command line options |
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restore=0 |
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show=0 |
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update=0 |
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verbose= |
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while getopts "hrsuv" option; do |
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case $option in |
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h) |
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usage |
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exit;; |
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r) |
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restore=1;; |
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s) |
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show=1;; |
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u) |
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update=1;; |
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v) |
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verbose="-v";; |
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esac |
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done |
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#Check if you are on root level of Koha installation |
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if [ ! -e kohaversion.pl ]; then |
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echo "You are not in root directory of Koha install. Cannot continue. Bye."; |
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exit; |
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fi |
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#Cannot update and restore together |
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if [ $update -eq 1 ] && [ $restore -eq 1 ]; then |
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echo "You cannot run update and restore at the same time." |
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exit; |
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fi |
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#Now run the job or print usage |
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if [ $update -eq 1 ]; then updatelabel; exit; fi |
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if [ $restore -eq 1 ]; then restorelabel; exit; fi |
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if [ $show -eq 1 ]; then showlabel; exit; fi |
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usage |
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- |