root / plugins / system / auth @ 17f78427
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| 1 | 8348cd28 | Stig Sandbeck Mathisen | #!/bin/bash |
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| 2 | 17f78427 | Lars Kruse | # |
| 3 | 1f80b893 | tex | # A Munin Plugin to show auth stuff |
| 4 | # Created by Dominik Schulz <lkml@ds.gauner.org> |
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| 5 | # http://developer.gauner.org/munin/ |
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| 6 | # Based on a work of "jintxo" |
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| 7 | # |
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| 8 | # Parameters understood: |
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| 9 | # |
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| 10 | # config (required) |
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| 11 | # autoconf (optional - used by munin-config) |
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| 12 | # |
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| 13 | # |
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| 14 | # Magic markers (optional - used by munin-config and installation |
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| 15 | # scripts): |
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| 16 | # |
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| 17 | #%# family=auto |
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| 18 | #%# capabilities=autoconf |
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| 19 | |||
| 20 | |||
| 21 | ############################# |
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| 22 | # Configuration |
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| 23 | ############################# |
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| 24 | MAXLABEL=20 |
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| 25 | 772882eb | Pierre Schweitzer | STAT_FILE=$MUNIN_PLUGSTATE/plugin-auth.state |
| 26 | 1f80b893 | tex | EXPR_BIN=/usr/bin/expr |
| 27 | ############################# |
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| 28 | |||
| 29 | if [ "$1" = "autoconf" ]; then |
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| 30 | echo yes |
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| 31 | exit 0 |
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| 32 | fi |
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| 33 | |||
| 34 | if [ "$1" = "config" ]; then |
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| 35 | |||
| 36 | echo 'graph_title Auth Log Parser' |
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| 37 | echo 'graph_args --base 1000 -l 0' |
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| 38 | echo 'graph_vlabel Daily Auth Counters' |
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| 39 | 6ffdebec | dipohl | echo 'graph_category auth' |
| 40 | 1f80b893 | tex | echo 'illegal_user.label Illegal User' |
| 41 | echo 'possible_breakin.label Breakin Attempt' |
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| 42 | echo 'authentication_failure.label Authentication Fail' |
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| 43 | echo 'valid_login.label Valid Login' |
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| 44 | exit 0 |
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| 45 | fi |
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| 46 | |||
| 47 | ############################# |
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| 48 | # Initialization |
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| 49 | ############################# |
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| 50 | if [ ! -r $STAT_FILE ]; then |
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| 51 | echo "ILL=0" > $STAT_FILE |
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| 52 | echo "POS=0" >> $STAT_FILE |
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| 53 | echo "AUT=0" >> $STAT_FILE |
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| 54 | echo "VAL=0" >> $STAT_FILE |
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| 55 | fi |
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| 56 | f84420f9 | wh6b | |
| 57 | TODAY="`date '+%b'` `date '+%d' | sed 's/0\([0-9]\)/ \1/'`" |
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| 58 | 1f80b893 | tex | ############################# |
| 59 | |||
| 60 | ############################# |
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| 61 | # Illegal User |
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| 62 | ############################# |
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| 63 | echo -en "illegal_user.value " |
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| 64 | f84420f9 | wh6b | NEW_ILL=$(grep "Illegal user\|no such user" /var/log/auth.log | grep "^$TODAY" | wc -l) |
| 65 | 1f80b893 | tex | OLD_ILL=$(grep ILL $STAT_FILE | cut -f2 -d '=') |
| 66 | ILL=$($EXPR_BIN $NEW_ILL - $OLD_ILL) |
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| 67 | if [ $ILL -gt 0 ]; then |
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| 68 | echo "$ILL" |
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| 69 | else |
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| 70 | echo "0" |
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| 71 | fi |
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| 72 | echo -n |
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| 73 | ############################# |
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| 74 | # Possible Breakins |
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| 75 | ############################# |
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| 76 | echo -en "possible_breakin.value " |
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| 77 | f84420f9 | wh6b | NEW_POS=$(grep -i "breakin attempt" /var/log/auth.log | grep "^$TODAY" | wc -l) |
| 78 | 1f80b893 | tex | OLD_POS=$(grep POS $STAT_FILE | cut -f2 -d '=') |
| 79 | POS=$($EXPR_BIN $NEW_POS - $OLD_POS) |
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| 80 | if [ $POS -gt 0 ]; then |
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| 81 | echo "$POS" |
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| 82 | else |
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| 83 | echo "0" |
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| 84 | fi |
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| 85 | echo -n |
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| 86 | ############################# |
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| 87 | # Authentication Failures |
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| 88 | ############################# |
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| 89 | echo -en "authentication_failure.value " |
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| 90 | f84420f9 | wh6b | NEW_AUT=$(grep "authentication failure" /var/log/auth.log | grep "^$TODAY" | wc -l) |
| 91 | 1f80b893 | tex | OLD_AUT=$(grep AUT $STAT_FILE | cut -f2 -d '=') |
| 92 | AUT=$($EXPR_BIN $NEW_AUT - $OLD_AUT) |
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| 93 | if [ $AUT -gt 0 ]; then |
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| 94 | echo "$AUT" |
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| 95 | else |
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| 96 | echo "0" |
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| 97 | fi |
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| 98 | echo -n |
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| 99 | ############################# |
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| 100 | # Valid Logins |
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| 101 | ############################# |
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| 102 | echo -en "valid_login.value " |
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| 103 | f84420f9 | wh6b | NEW_VAL=$(grep "sshd.*Accepted" /var/log/auth.log | grep "^$TODAY" | wc -l) |
| 104 | 1f80b893 | tex | OLD_VAL=$(grep VAL $STAT_FILE | cut -f2 -d '=') |
| 105 | VAL=$($EXPR_BIN $NEW_VAL - $OLD_VAL) |
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| 106 | if [ $VAL -gt 0 ]; then |
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| 107 | echo "$VAL" |
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| 108 | else |
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| 109 | echo "0" |
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| 110 | fi |
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| 111 | echo -n |
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| 112 | ### |
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| 113 | # Save the current values |
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| 114 | ### |
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| 115 | echo "ILL=$NEW_ILL" > $STAT_FILE |
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| 116 | echo "POS=$NEW_POS" >> $STAT_FILE |
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| 117 | echo "AUT=$NEW_AUT" >> $STAT_FILE |
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| 118 | echo "VAL=$NEW_VAL" >> $STAT_FILE |