/usr/bin/logcheck-test is in logcheck 1.3.17.
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 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 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
 |