mirror of
https://gitlab.com/kalilinux/packages/unix-privesc-check.git
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Imported Upstream version 1.4~svn361
This commit is contained in:
Devon Kearns
247
lib/misc/binary
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247
lib/misc/binary
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#!/bin/sh
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# $Revision: 332 $
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but 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 this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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#
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# (c) Tim Brown, 2012
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# <mailto:timb@nth-dimension.org.uk>
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# <http://www.nth-dimension.org.uk/> / <http://www.machine.org.uk/>
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#
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# Supports: Linux, AIX, Solaris
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if [ -z "${binaryincluded}" ]
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then
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binaryincluded=1
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. lib/misc/dependencies
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. lib/misc/validate
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binary_list_rpath () {
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filename="${1}"
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[ "`file_is_regular_file \"${filename}\"`" ] || false
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# skip textual files (bash scripts, python scripts, etc)
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if [ "`file_is_textual \"${filename}\"`" -eq 1 ]
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then
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printf -- ""
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elif [ "`uname`" = "AIX" ]
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then
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dumpflag=0
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dump -Hv -X 32_64 "${filename}" | while read line
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do
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if [ "${dumpflag}" -eq 1 ]
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then
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printf -- "${line}\n" | while read index base member
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do
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if [ "${index}" -eq 0 ]
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then
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printf -- "${base}\n" | tr ":" "\n" | while read filename
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do
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printf -- "${filename}\n"
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done
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fi
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done
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fi
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if [ -n "`printf -- "${line}\n" | grep "INDEX"`" ]
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then
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dumpflag=1
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fi
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done | sort | uniq
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elif [ "`uname`" = "SunOS" ]
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then
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dump -Lv "${filename}" | grep "RPATH" | while read _ header rpath
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do
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printf -- "${rpath}\n" | tr ":" "\n" | while read filename
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do
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printf -- "${filename}\n"
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done
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done | sort | uniq
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dump -Lv "${filename}" | grep "RUNPATH" | while read _ header rpath
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do
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printf -- "${rpath}\n" | tr ":" "\n" | while read filename
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do
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printf -- "${filename}\n"
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done
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done | sort | uniq
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else
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objdump -x "${filename}" | grep -i "RPATH" | while read header rpath
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do
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printf -- "${rpath}\n" | tr ":" "\n" | while read filename
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do
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printf -- "${filename}\n"
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done
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done | sort | uniq
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objdump -x "${filename}" | grep -i "RUNPATH" | while read header rpath
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do
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printf -- "${rpath}\n" | tr ":" "\n" | while read filename
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do
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printf -- "${filename}\n"
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done
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done | sort | uniq
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fi
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}
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binary_pie() {
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filename="${1}"
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[ "`file_is_regular_file \"${filename}\"`" ] || false
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# skip textual files (bash scripts, python scripts, etc)
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if [ "`file_is_textual \"${filename}\"`" -eq 1 ]
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then
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printf -- "1\n"
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elif [ "`uname`" = "Linux" ]
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then
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if [ -n "`objdump -x "${filename}" | head -5 | grep "DYNAMIC"`" ]
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then
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printf -- "1\n"
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else
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printf -- "0\n"
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fi
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else
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printf -- "0\n"
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fi
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}
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binary_relro_full() {
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filename="${1}"
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[ "`file_is_regular_file \"${filename}\"`" ] || false
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# skip textual files (bash scripts, python scripts, etc)
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if [ "`file_is_textual \"${filename}\"`" -eq 1 ]
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then
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printf -- "1\n"
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elif [ "`uname`" = "Linux" ]
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then
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if [ -n "`objdump -x "${filename}" | grep "BIND_NOW"`" ]
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then
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printf -- "1\n"
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else
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printf -- "0\n"
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fi
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else
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printf -- "0\n"
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fi
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}
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binary_relro() {
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filename="${1}"
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[ "`file_is_regular_file \"${filename}\"`" ] || false
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# skip textual files (bash scripts, python scripts, etc)
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if [ "`file_is_textual \"${filename}\"`" -eq 1 ]
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then
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printf -- "1\n"
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elif [ "`uname`" = "Linux" ]
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then
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if [ -n "`objdump -x "${filename}" | head -30 | grep "RELRO"`" ]
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then
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printf -- "1\n"
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else
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printf -- "0\n"
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fi
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else
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printf -- "0\n"
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fi
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}
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binary_nx() {
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filename="${1}"
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[ "`file_is_regular_file \"${filename}\"`" ] || false
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# skip textual files (bash scripts, python scripts, etc)
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if [ "`file_is_textual \"${filename}\"`" -eq 1 ]
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then
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printf -- "1\n"
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elif [ "`uname`" = "Linux" ]
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then
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isstackline="0"
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oldifs="${IFS}"
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IFS="\n"
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objdump -x "${filename}" | head -30 | while read line
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do
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if [ "${isstackline}" -eq 1 ]
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then
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if [ -n "`printf -- \"${line}\" | egrep -- \" rw-$\"`" ]
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then
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printf -- "1\n"
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else
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printf -- "0\n"
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fi
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break
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elif [ -n "`printf -- \"${line}\" | grep "STACK "`" ]
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then
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isstackline="1"
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fi
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done
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IFS="${oldifs}"
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else
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printf -- "0\n"
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fi
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}
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binary_matches_string () {
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filename="${1}"
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pattern="${2}"
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[ "`file_is_regular_file \"${filename}\"`" ] || false
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[ "`validate_is_string \"${pattern}\"`" ] || false
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if [ -n "`strings \"${filename}\" | egrep -- \"${pattern}\"`" ]
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then
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printf -- "1\n"
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else
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printf -- "0\n"
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fi
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}
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binary_matches_string_grep () {
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filename="${1}"
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pattern="${2}"
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[ "`file_is_regular_file \"${filename}\"`" ] || false
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[ "`validate_is_string \"${pattern}\"`" ] || false
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if [ -n "`strings \"${filename}\" | grep -- \"${pattern}\"`" ]
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then
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printf -- "1\n"
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else
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printf -- "0\n"
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fi
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}
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binary_matches_function () {
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filename="${1}"
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pattern="${2}"
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[ "`file_is_regular_file \"${filename}\"`" ] || false
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[ "`validate_is_string \"${pattern}\"`" ] || false
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# skip textual files (bash scripts, python scripts, etc)
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if [ "`file_is_textual \"${filename}\"`" -eq 1 ]
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then
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printf -- "0\n"
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elif [ -n "`objdump -T "${filename}" | egrep "${pattern}"`" ]
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then
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printf -- "1\n"
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else
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printf -- "0\n"
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fi
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}
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binary_banned_api () {
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filename="${1}"
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pattern="${2}"
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[ "`file_is_regular_file \"${filename}\"`" ] || false
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[ "`validate_is_string \"${pattern}\"`" ] || false
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# skip textual files (bash scripts, python scripts, etc)
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if [ "`file_is_textual \"${filename}\"`" -eq 1 ]
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then
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printf -- ""
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else
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printf -- "`objdump -T "${filename}" | egrep -o "${pattern}" | sort -u | xargs | tr " " ","`"
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fi
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}
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fi
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