1######################################################################## 2# # 3# This software is part of the ast package # 4# Copyright (c) 1982-2008 AT&T Intellectual Property # 5# and is licensed under the # 6# Common Public License, Version 1.0 # 7# by AT&T Intellectual Property # 8# # 9# A copy of the License is available at # 10# http://www.opensource.org/licenses/cpl1.0.txt # 11# (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9) # 12# # 13# Information and Software Systems Research # 14# AT&T Research # 15# Florham Park NJ # 16# # 17# David Korn <dgk@research.att.com> # 18# # 19######################################################################## 20function err_exit 21{ 22 print -u2 -n "\t" 23 print -u2 -r ${Command}[$1]: "${@:2}" 24 let Errors+=1 25} 26alias err_exit='err_exit $LINENO' 27 28# test restricted shell 29Command=${0##*/} 30integer Errors=0 31mkdir /tmp/ksh$$ || err_exit "mkdir /tmp/ksh$$ failed" 32trap "cd /; rm -rf /tmp/ksh$$" EXIT 33pwd=$PWD 34case $SHELL in 35/*) ;; 36*/*) SHELL=$pwd/$SHELL;; 37*) SHELL=$(whence "$SHELL");; 38esac 39function check_restricted 40{ 41 rm -f out 42 rksh -c "$@" 2> out > /dev/null 43 grep restricted out > /dev/null 2>&1 44} 45 46[[ $SHELL != /* ]] && SHELL=$pwd/$SHELL 47cd /tmp/ksh$$ || err_exit "cd /tmp/ksh$$ failed" 48ln -s $SHELL rksh 49PATH=$PWD:$PATH 50rksh -c '[[ -o restricted ]]' || err_exit 'restricted option not set' 51[[ $(rksh -c 'print hello') == hello ]] || err_exit 'unable to run print' 52check_restricted /bin/echo || err_exit '/bin/echo not resticted' 53check_restricted ./echo || err_exit './echo not resticted' 54check_restricted 'SHELL=ksh' || err_exit 'SHELL asignment not resticted' 55check_restricted 'PATH=/bin' || err_exit 'PATH asignment not resticted' 56check_restricted 'FPATH=/bin' || err_exit 'FPATH asignment not resticted' 57check_restricted 'ENV=/bin' || err_exit 'ENV asignment not resticted' 58check_restricted 'print > file' || err_exit '> file not restricted' 59> empty 60check_restricted 'print <> empty' || err_exit '<> file not restricted' 61print 'echo hello' > script 62chmod +x ./script 63! check_restricted script || err_exit 'script without builtins should run in restricted mode' 64check_restricted ./script || err_exit 'script with / in name should not run in restricted mode' 65print '/bin/echo hello' > script 66! check_restricted script || err_exit 'script with pathnames should run in restricted mode' 67print 'echo hello> file' > script 68! check_restricted script || err_exit 'script with output redirection should run in restricted mode' 69print 'PATH=/bin' > script 70! check_restricted script || err_exit 'script with PATH assignment should run in restricted mode' 71cat > script <<! 72#! $SHELL 73print hello 74! 75! check_restricted 'script;:' || err_exit 'script with #! pathname should run in restricted mode' 76! check_restricted 'script' || err_exit 'script with #! pathname should run in restricted mode even if last command in script' 77exit $((Errors)) 78