This file is indexed.

/usr/bin/logcheck-test is in logcheck 1.3.18.

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
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
#!/bin/sh
#
# Copyright © 2007–2011,2015 Hannes von Haugwitz <hannes@vonhaugwitz.com>

# This file is part of Logcheck

# Logcheck 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.

# Logcheck 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 Logcheck; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

set -u

FILE=
PREFIX=
SUFFIX=
RULEFILE=
INVERT=
RULE=

NOTQUIET=true

trap 'cleanup; trap - 1 2 3 4 5 6 7 8 10 11 12 13 14 15' 1 2 3 4 5 6 7 8 10 11 12 13 14 15

cleanup() { :; }

usage() {
    cat<<EOF
usage: logcheck-test
-h|--help                   : Show usage information
-a|--auth.log               : Parse /var/log/auth.log
-s|--syslog                 : Parse /var/log/syslog
-l|--log-file LOGFILE       : Parse LOGFILE
-i|--invert-match           : Show lines that don't match the RULE or RULEFILE
-q|--quiet                  : Suppress rule summary

-e|--surround-rule          : Surround RULE with standard prefix and suffix
-P|--append-prefix PREFIX   : Append PREFIX to rule prefix
-S|--prepend-suffix SUFFIX  : Prepend SUFFIX to rule suffix

-r|--rule-file RULEFILE     : Use file RULEFILE for rule input
EOF
}

err() {
    echo "ERROR: $@!" >&2
}

warn() {
    echo "WARNING: $@!" >&2
}

while [ -n "${1:-}" ]; do
    ARGUMENT="$1"
    shift
    case "$ARGUMENT" in
        -r|--rule-file)
            if [ -z "${1:-}" ] ; then
                err "$ARGUMENT needs an rule file as argument"
                exit 4
            else
                RULEFILE="$1"
                if ! [ -f "$RULEFILE" -o -L "$RULEFILE" ] ; then
                    err "'$RULEFILE' is nor a regular file nor a symbolic link"
                    exit 5
                elif ! [ -r "$RULEFILE" ] ; then
                    err "'$RULEFILE' permission denied"
                    exit 6
                fi
                shift
            fi
        ;;
        -l|--log-file)
            if [ -z "${1:-}" ] ; then
                err "$ARGUMENT needs a log file as argument"
                exit 7
            else
                if [ -z "$FILE" ] ; then
                    FILE="$1"
                    if ! [ -f "$FILE" ] ; then
                        err "'$FILE' is no regular file"
                        exit 8
                    fi
                else
                    warn "option -l $1 ignored"
                fi
                shift
            fi
        ;;
        -a|--auth.log)
            if [ -z "$FILE" ] ; then
                FILE="/var/log/auth.log"
            else
                warn "option -a ignored"
            fi
        ;;
        -s|--syslog)
            if [ -z "$FILE" ] ; then
                FILE="/var/log/syslog"
            else
                warn "option -s ignored"
            fi
        ;;
        -q|--quiet)
            NOTQUIET=false
        ;;
        -i|--invert-match)
            INVERT="-v"
        ;;
        -e|--surround-rule)
            if [ -n "$PREFIX" ] ; then
                err "-e option must precede -P option"
                exit 9
            elif [ -n "$SUFFIX" ] ; then
                err "-e option must precede -S option"
                exit 10
            else
                PREFIX="^[[:alpha:]]{3} [ :[:digit:]]{11} [._[:alnum:]-]+ "
                SUFFIX="\$"
            fi
        ;;
        -P|--append-prefix)
            if [ -z "${1:-}" ] ; then
                err "-P needs an argument"
                exit 11
            else
                PREFIX="$PREFIX$1"
                shift
            fi
        ;;
        -S|--prepend-suffix)
            if [ -z "${1:-}" ] ; then
                err "-S needs an argument"
                exit 12
            else
                SUFFIX="$SUFFIX$1"
                shift
            fi
        ;;
        -h|--help)
            usage
            exit 0
        ;;
        -*)
            err "$ARGUMENT: invalid option"
            exit 13
        ;;
        *)
            if [ -n "$RULEFILE" ] ; then
                err "you cannot use both RULE and RULEFILE"
                exit 16
            fi
            RULE="$ARGUMENT"
            if [ -n "${1:-}" ] ; then
                err "options must precede RULE"
                exit 14
            fi
        ;;
    esac
done

if [ -z "$FILE" ] ; then
    err "no log file specified, please choose -a or -s or -l LOGFILE"
    exit 2
elif ! [ -r "$FILE" ] ; then
    err "'$FILE' permission denied"
    exit 3
else
    if [ -n "$RULEFILE" ] ; then
        CLEANRULE="$(mktemp "${TMPDIR:-/tmp}/logcheck-test.XXXXXXXXXX")"
        cleanup() { rm -rf $CLEANRULE; }
        egrep --text -v '^[[:space:]]*$|^#' "$RULEFILE" >> $CLEANRULE
        sed -e 's/[[:space:]]*$//' $FILE | egrep $INVERT -f "$CLEANRULE"
        GREP="$?"
        cleanup
    else
        if [ -n "$RULE" ] ; then
            sed -e 's/[[:space:]]*$//' $FILE | egrep $INVERT "$PREFIX$RULE$SUFFIX"
            GREP="$?"
        else
            err "no RULE specified"
            exit 15
        fi
    fi
    [ $GREP -ne 0 ] && EXIT="1" || EXIT="0"
    if $NOTQUIET ; then
        echo "================================================================================"
        echo "parsed file: $FILE"
        if [ -n "$RULEFILE" ] ; then
            echo "used rule file: $RULEFILE"
        else
            echo "used rule: '$PREFIX$RULE$SUFFIX'"
        fi
    fi
    exit $EXIT
fi