unix-privesc-check/lib/misc/linker

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#!/bin/sh
# $Revision: 311 $
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
#
# (c) Tim Brown, 2012
# <mailto:timb@nth-dimension.org.uk>
# <http://www.nth-dimension.org.uk/> / <http://www.machine.org.uk/>
#
# Supports: Linux, AIX
if [ -z "${linkerincluded}" ]
then
linkerincluded=1
. lib/misc/file
linker_list_dependencies () {
filename="${1}"
[ "`file_is_regular_file \"${filename}\"`" ] || false
[ "`file_is_textual \"${filename}\"`" -eq 0 ] || false
if [ "`uname`" = "AIX" ]
then
ldd "${filename}" | grep -v "needs:" | while read library
do
case "${library}" in
/*)
library="`printf -- \"${library}\" | sed \"s/(.*//g\"`"
printf -- "${library}\n"
;;
esac
done | sort | uniq
else
ldd "${filename}" | while read relativelibrary _ library _
do
case "${library}" in
/*)
printf -- "${library}\n"
;;
not)
printf -- "${relativelibrary}\n"
;;
esac
done | sort | uniq
# this is for cases where the first column of the ldd is not a symlink (for example a ldd /bin/umount has amongst its libraries also /lib/ld-linux.so.2 (0xb76e6000), not symlinked)
ldd "${filename}" | while read library _ _ _
do
case "${library}" in
/*)
printf -- "${library}\n"
;;
esac
done | sort | uniq
fi
}
linker_list_system_filenames () {
if [ "`uname`" = "AIX" ]
then
printf -- "/lib\n"
printf -- "/usr/lib\n"
elif [ "`uname`" = "Linux" ]
then
while read line
do
case "${line}" in
/*)
printf -- "${line}\n"
;;
include*)
printf -- "${line}\n" | while read _ filename
do
cat ${filename} | while read line
do
case "${line}" in
/*)
printf -- "${line}\n"
;;
esac
done
done
;;
esac
done <"/etc/ld.so.conf" | sort | uniq
fi
}
fi