blob: 3118a70ec7638bb17d4e9c10b8e0684bac0c1ce2 [file] [log] [blame]
Richard Marian Thomaiyar14fddef2018-07-13 23:55:56 +05301#!/bin/sh
2# find_elf4tmp utility
3# Copyright (c) 2010-12 Steve Grubb. ALL RIGHTS RESERVED.
4# sgrubb@redhat.com
5#
6# This software may be freely redistributed under the terms of the GNU
7# public license.
8#
9# You should have received a copy of the GNU General Public License
10# along with this program; if not, write to the Free Software
11# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
12
13# This script will search a directory and its subdirectories for all elf
14# executables. It will then search for the use of the tmp directory. If it finds
15# this is true, it will then check to see if XXX is being used which would
16# indicate that the path is going to be randomized.
17
18if [ $# -ge 2 ] ; then
19 echo "Usage: find_elf4tmp [directory]" 1>&2
20 exit 1
21fi
22if [ ! -x /usr/bin/strings ] ; then
23 echo "Skipping due to missing /usr/bin/eu-strings utility"
24 exit 1
25fi
26if [ -h /bin ] ; then
27 DIRS="/usr/bin /usr/sbin /usr/libexec /usr/kerberos /usr/games /usr/lib /usr/lib64 /usr/local"
28else
29 DIRS="/bin /sbin /usr/bin /usr/sbin /usr/libexec /usr/kerberos /usr/games /lib /lib64 /usr/lib /usr/lib64 /usr/local"
30fi
31if [ $# -eq 1 ] ; then
32 if [ -d "$1" ] ; then
33 DIRS="$1"
34 else
35 echo "Option passed in was not a directory" 1>&2
36 exit 1
37 fi
38fi
39
40FOUND=0
41for d in $DIRS
42do
43 if [ ! -d $d ] ; then
44 continue
45 fi
46# echo "Scanning files in $d..."
47 for f in `/usr/bin/find $d -type f 2>/dev/null`
48 do
49 # Get just the elf executables
50 testf=`echo $f | /usr/bin/file -n -f - 2>/dev/null | grep ELF`
51 if [ x"$testf" != "x" ] ; then
52 test_res=`/usr/bin/strings $f | /bin/grep '/tmp/' | /bin/egrep -v 'XX|/tmp/$|[ .,:]/tmp/'`
53 if [ x"$test_res" = "x" ] ; then
54 continue
55 fi
56
57 # Do further examination...
58 syms=`/usr/bin/readelf -s $f 2>/dev/null | egrep ' mkstemp@.*GLIBC| tempnam@.*GLIBC| tmpfile@.*GLIBC'`
59 if [ x"$syms" != "x" ] ; then
60 continue
61 fi
62
63 # Well its a bad one...out with it
64 FOUND=1
65
66 # Get the package
67 RPM=`/bin/rpm -qf --queryformat "%{NAME}-%{VERSION}" $f 2>/dev/null | /bin/grep -v 'not owned' | /usr/bin/sort | /usr/bin/uniq`
68 if [ x"$RPM" = "x" ] ; then
69 RPM="<unowned>"
70 fi
71
72 # For each tmp string, output the line
73 echo $test_res | /usr/bin/tr '\b' '\n' | /usr/bin/awk 'NF >= 1 { printf "%-46s\t%-30s\t%s\n", f, r, $1 }' r=$RPM f=$f
74 fi
75 done
76done
77if [ $FOUND -eq 0 ] ; then
78 # Nothing to report, just exit
79 echo "No problems found" 1>&2
80 exit 0
81fi
82exit 1
83
84