mirror of
https://gitlab.com/kalilinux/packages/unix-privesc-check.git
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170 lines
3.2 KiB
Bash
170 lines
3.2 KiB
Bash
#!/bin/sh
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# $Revision: 324 $
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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 "${kernelincluded}" ]
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then
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kernelincluded=1
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. lib/misc/dependencies
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. lib/misc/file
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. lib/misc/validate
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kernel_aslr_pax() {
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if [ -n "`cat /proc/1/status | grep \"PaX:\" | grep \"R\"`" ]
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then
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printf -- "1\n"
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else
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printf -- "0\n"
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fi
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}
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kernel_aslr() {
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if [ "`uname`" = "Linux" ]
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then
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sysctl kernel.randomize_va_space | while read _ _ value
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do
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printf -- "${value}\n"
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break
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done
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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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kernel_nx() {
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if [ "`uname`" = "Linux" ]
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then
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if [ -n "`egrep -- \"^flags\" /proc/cpuinfo | egrep -- \"nx\"`" ]
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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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elif [ "`uname`" = "SunOS" ]
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then
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if [ -n "`egrep -- \"noexec_user_stack\" /etc/system | egrep -v \"_log\" | egrep -- \"1\"`" ]
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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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# TODO does uname return HP-UX or HPUX?
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elif [ "`uname`" = "HP-UX" ]
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then
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kmtune -q "executable_stack" | egrep -- \"executable_stack\" | while read _ value _
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do
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case "${value}" in
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0)
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printf -- "1\n"
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;;
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1)
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printf -- "0\n"
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;;
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esac
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done
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fi
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}
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kernel_nx_logging () {
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if [ "`uname`" = "SunOS" ]
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then
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if [ -n "`egrep -- \"noexec_user_stack_log\" /etc/system | egrep -- \"1\"`" ]
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then
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printf -- "1\n"
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else
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printf -- "0\n"
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fi
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# TODO does uname return HP-UX or HPUX?
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elif [ "`uname`" = "HP-UX" ]
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then
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kmtune -q "executable_stack" | egrep -- \"executable_stack\" | while read _ value _
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do
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case "${value}" in
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2)
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printf -- "0\n"
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;;
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*)
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printf -- "1\n"
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;;
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esac
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done
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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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kernel_nx_audit () {
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if [ "`uname`" = "SunOS" ]
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then
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if [ -n "`egrep -- \"c2audit:audit_load\" /etc/system | egrep -- \"1\"`" ]
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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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kernel_mmap_zero_allowed () {
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if [ "`uname`" = "Linux" ]
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then
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if [ "`cat /proc/sys/vm/mmap_min_addr`" -eq 0 -o -z "`cat /proc/sys/vm/mmap_min_addr`" ]
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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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kernel_selinux_enforce () {
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if [ "`file_exists_file \"/selinux/enforce\"`" -eq 1 ]
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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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kernel_release() {
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printf -- "`uname -r`\n"
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}
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kernel_release_is_backported() {
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if [ -n "`kernel_version | egrep -- \"-\"`" ]
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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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fi
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