/usr/lib/tiger/scripts/check_signatures is in tiger 1:3.2.3-10.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 | #!/bin/sh
#
# tiger - A UN*X security checking system
# Copyright (C) 1993 Douglas Lee Schales, David K. Hess, David R. Safford
#
# 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, 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.
#
# Please see the file `COPYING' for the complete copyright notice.
#
# check_signatures - 06/14/93
#
# 08/14/2003 jfs Added OUTPUTMETHOD and SNEFRU to dependancies
# 04/28/93 dls Added '-L' option to 'ls' so that we get the permissions
# from the file instead of the symbolic link.
#
#-----------------------------------------------------------------------------
#
TigerInstallDir="/usr/lib/tiger"
#
# Set default base directory.
# Order or preference:
# -B option
# TIGERHOMEDIR environment variable
# TigerInstallDir installed location
#
basedir=${TIGERHOMEDIR:=$TigerInstallDir}
for parm
do
case $parm in
-B) basedir=$2; break;;
esac
done
#
# Verify that a config file exists there, and if it does
# source it.
#
[ ! -r $basedir/config ] && {
echo "--ERROR-- [init002e] No 'config' file in \`$basedir'."
exit 1
}
. $basedir/config
. $BASEDIR/initdefs
#
# If run in test mode (-t) this will verify that all required
# elements are set.
#
[ "$Tiger_TESTMODE" = 'Y' ] && {
haveallcmds AWK CAT FMT GREP LS RM SED SORT SNEFRU OUTPUTMETHOD || exit 1
haveallfiles BASEDIR WORKDIR SIGNATURE_FILE || exit 1
echo "--CONFIG-- [init003c] $0: Configuration ok..."
exit 0
}
#------------------------------------------------------------------------
echo
echo "# Performing signature check of system binaries..."
haveallcmds AWK CAT FMT GREP LS RM SED SORT SNEFRU OUTPUTMETHOD || exit 1
haveallfiles BASEDIR SIGNATURE_FILE WORKDIR || exit 1
$SED -e '/^#/d' -e '/^[ ]*$/d' $SIGNATURE_FILE |
$AWK '{print $3}' |
$SORT -u |
while read file
do
if [ -r $file ]; then
$GREP -v '^#' $SIGNATURE_FILE |
$GREP "[ ]$file[ ]" | {
located=0
versions=""
while read flag msgid fl p1 p2 p3 p4 p5 p6 p7 p8 comment
do
loc_signature=
case "$p1$p2$p3$p4$p5$p6$p7$p8" in
*[!0-9a-f]*) {
std_signature="$p1"
comment="$p2 $p3 $p4 $p5 $p6 $p7 $p8 $comment"
[ -n "$MD5" ] && loc_signature="`$MD5 < $file`"
}
;;
*) {
std_signature=" $p1 $p2 $p3 $p4 $p5 $p6 $p7 $p8"
[ -n "$SNEFRU" ] && loc_signature="`$SNEFRU < $file`"
}
;;
esac
[ -n "$loc_signature" ] && {
case $flag in
Y)
versions="$versions>>>>>> $comment
"
[ "$loc_signature" = "$std_signature" ] && located=1;;
N)
[ "$loc_signature" = "$std_signature" ] && {
perm="`$LS $LSLINK -l $file | $AWK '{print $1}'`"
message ALERT $msgid "" "Binary $file ($perm) $comment."
located=1
}
;;
O)
versions="$versions>>>>>> $comment
"
perm="`$LS -l $file | $AWK '{print $1}'`"
[ "$loc_signature" = "$std_signature" ] && {
message WARN $msgid "" "$file ($perm) is from $comment"
located=1
}
;;
esac
}
[ "$located" = 1 ] && break
done
[ "$located" = "0" -a -n "$versions" ] && {
perm="`$LS -l $file | $AWK '{print $1}'`"
message WARN sig004w "$versions" "None of the following versions of $file ($perm) matched the $file on this machine."
}
}
elif [ -f $file ]; then
message ERROR sig005e "" "Unable to read binary $file. Can not perform signature check."
fi
done |
$OUTPUTMETHOD
#
exit 0
|