syslogGen.sh

# NOTE: this script has been cloned and modified from its original source at
# https://github.com/dbough/syslog-generator
# - Brett Bloethner

#!/bin/bash
# Path to netcat
NC="/usr/bin/nc"
# Where are we sending messages from / to?
ORIG_IP="0.0.0.0"
DEST_IP="0.0.0.0"
# List of messages.
MESSAGES=("Error Event" "Warning Event" "Info Event")
# How long to wait in between sending messages.
SLEEP_SECS=1
# How many message to send at a time.
COUNT=1
# What priority?  
#             emergency   alert   critical   error   warning   notice   info   debug
# kernel              0       1          2       3         4        5      6       7
# user                8       9         10      11        12       13     14      15
# mail               16      17         18      19        20       21     22      23
# system             24      25         26      27        28       29     30      31
# security           32      33         34      35        36       37     38      39
# syslog             40      41         42      43        44       45     46      47
# lpd                48      49         50      51        52       53     54      55
# nntp               56      57         58      59        60       61     62      63
# uucp               64      65         66      67        68       69     70      71
# time               72      73         74      75        76       77     78      79
# security           80      81         82      83        84       85     86      87
# ftpd               88      89         90      91        92       93     94      95
# ntpd               96      97         98      99       100      101    102     103
# logaudit          104     105        106     107       108      109    110     111
# logalert          112     113        114     115       116      117    118     119
# clock             120     121        122     123       124      125    126     127
# local0            128     129        130     131       132      133    134     135
# local1            136     137        138     139       140      141    142     143
# local2            144     145        146     147       148      149    150     151
# local3            152     153        154     155       156      157    158     159
# local4            160     161        162     163       164      165    166     167
# local5            168     169        170     171       172      173    174     175
# local6            176     177        178     179       180      181    182     183
# local7            184     185        186     187       188      189    190     191
PRIORITIES=(0 1 2 3 4 5 6 7)

while [ 1 ]
do
	for i in $(seq 1 $COUNT)
	do
		# Picks a random syslog message from the list.
		RANDOM_MESSAGE=${MESSAGES[$RANDOM % ${#MESSAGES[@]} ]}
		PRIORITY=${PRIORITIES[$RANDOM % ${#PRIORITIES[@]} ]}
		$NC $DEST_IP -u 514 -w 0 <<< "<$PRIORITY>`env LANG=us_US.UTF-8 date "+%b %d %H:%M:%S"` $ORIG_IP service: $RANDOM_MESSAGE"
	done
	sleep $SLEEP_SECS
done