380 lines
14 KiB
Bash
Executable File
380 lines
14 KiB
Bash
Executable File
#!/bin/sh
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# **********************************************************************
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# Pandora FMS - Asyncronous version for OpenWRT / Arduino integration
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# (c) 2004-2008 Sancho Lerena <slerena@gmail.com>
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# (c) 2007 Jorge Loza
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# Please see Pandora FMS official home at http://pandora.sourceforge.net
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# This code is licensed under GPL 2.0 licence
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# **********************************************************************
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AGENT_VERSION=2.0-dev
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AGENT_BUILD=080102
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if [ -z "$1" ]
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then
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echo " "
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echo "Fatal error: I need an argument to Pandora FMS Agent config directory"
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echo " "
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echo " example: pandora_agent /opt/pandora "
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echo " "
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exit -1
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else
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PANDORA_HOME=$1
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fi
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if [ ! -f $PANDORA_HOME/pandora_agent.conf ]
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then
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echo " "
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echo "FATAL ERROR: Cannot load $PANDORA_HOME/pandora_agent.conf"
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echo " "
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exit -1
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fi
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# Init internal variables
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CONTADOR=0
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EXECUTE=1
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MODULE_END=0
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TIMESTAMP=`date +"%Y/%m/%d %H:%M:%S"`
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IFS="
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"
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# Default values
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CHECKSUM_MODE=1
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DEBUG_MODE=0
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SERVER_PORT=22
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INTERVAL=300
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TRANSFER_MODE=ssh
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if [ -z "`echo $LANG | grep '\.'`" ]
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then
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ENCODING="iso-8859-1"
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else
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ENCODING=`echo $LANG | cut -f 2 -d "."`
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fi
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NOMBRE_HOST="linksys"
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OS_NAME=`uname -s`
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PANDORA_LOGFILE=/var/log/pandora_agent.log
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TEMP=/tmp
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# Read config file
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for a in `cat $PANDORA_HOME/pandora_agent.conf | grep -v -e "^#" | grep -v -e "^module" `
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do
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a=`echo $a | tr -s " " " "`
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# Get general configuration parameters from config file
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if [ ! -z "`echo $a | grep -e '^logfile'`" ]
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then
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PANDORA_LOGFILE=`echo $a | awk '{ print $2 }' `
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echo "$TIMESTAMP - [SETUP] - Pandora Logfile is $PANDORA_LOGFILE" >> $PANDORA_LOGFILE
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fi
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if [ ! -z "`echo $a | grep -e '^server_ip'`" ]
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then
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SERVER_IP=`echo $a | awk '{ print $2 }' `
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echo "$TIMESTAMP - [SETUP] - Server IP Address is $SERVER_IP" >> $PANDORA_LOGFILE
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fi
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if [ ! -z "`echo $a | grep -e '^server_path'`" ]
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then
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SERVER_PATH=`echo $a | awk '{ print $2 }' `
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echo "$TIMESTAMP - [SETUP] - Server Path is $SERVER_PATH" >> $PANDORA_LOGFILE
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fi
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if [ ! -z "`echo $a | grep -e '^temporal'`" ]
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then
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TEMP=`echo $a | awk '{ print $2 }' `
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echo "$TIMESTAMP - [SETUP] - Temporal Path is $TEMP" >> $PANDORA_LOGFILE
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fi
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if [ ! -z "`echo $a | grep -e '^interval'`" ]
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then
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INTERVAL=`echo $a | awk '{ print $2 }' `
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echo "$TIMESTAMP - [SETUP] - Interval is $INTERVAL seconds" >> $PANDORA_LOGFILE
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fi
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if [ ! -z "`echo $a | grep -e '^agent_name'`" ]
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then
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NOMBRE_HOST=`echo $a | awk '{ print $2 }' `
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echo "$TIMESTAMP - [SETUP] - Agent name is $NOMBRE_HOST " >> $PANDORA_LOGFILE
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fi
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if [ ! -z "`echo $a | grep -e '^debug'`" ]
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then
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DEBUG_MODE=`echo $a | awk '{ print $2 }' `
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echo "$TIMESTAMP - [SETUP] - Debug mode is $DEBUG_MODE " >> $PANDORA_LOGFILE
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fi
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if [ ! -z "`echo $a | grep -e '^checksum'`" ]
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then
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CHECKSUM_MODE=`echo $a | awk '{ print $2 }' `
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echo "$TIMESTAMP - [SETUP] - Checksum is $CHECKSUM_MODE " >> $PANDORA_LOGFILE
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fi
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# Contribution of daggett
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if [ ! -z "`echo $a | grep -e '^server_port'`" ]
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then
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SERVER_PORT=`echo $a | awk '{ print $2 }' `
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echo "$TIMESTAMP - [SETUP] - Server Port is $SERVER_PORT" >> $PANDORA_LOGFILE
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fi
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# Contribution of daggett
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if [ ! -z "`echo $a | grep -e '^encoding'`" ]
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then
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ENCODING=`echo $a | awk '{ print $2 }' `
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echo "$TIMESTAMP - [SETUP] - Encoding is $ENCODING" >> $PANDORA_LOGFILE
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fi
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if [ ! -z "`echo $a | grep -e '^transfer_mode'`" ]
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then
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TRANSFER_MODE=`echo $a | awk '{ print $2 }' `
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echo "$TIMESTAMP - [SETUP] - Transfer Mode is $TRANSFER_MODE" >> $PANDORA_LOGFILE
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fi
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done
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# Script banner at start
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echo "Pandora FMS Agent / OpenWRT $AGENT_VERSION (c) Sancho Lerena, Jorge Loza 2007-2008"
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echo "This program is licensed under GPL2 Terms. http://pandora.sf.net"
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echo " "
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# Make some checks
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if [ "$TRANSFER_MODE" = "ftp" ]
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then
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if [ ! -f $HOME/.netrc ]
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then
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echo "(EE) Transfer mode is FTP but there is no usable .netrc file. Aborting."
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exit
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fi
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fi
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if [ "$DEBUG_MODE" = "1" ]
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then
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echo "(**) Warning: Running in DEBUG mode"
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fi
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# MAIN Program loop begin
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DATE_START=`date +%s`
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SYNC_DATA="`grep "^module_async" $PANDORA_HOME/pandora_agent.conf | wc -l`"
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if [ $SYNC_DATA -gt 0 ]
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then
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while [ 1 ]
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do
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GETSYNC_DATA=`$PANDORA_HOME/pandora_getsync`
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if [ "$GETSYNC_DATA" != "0" ]
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then
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pandora_datarun 1 "$GETSYNC_DATA"
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fi
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DATE_CURRENT=`date +%s`
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DATE_DIFF=$(($DATE_CURRENT - $DATE_START))
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if [ $DATE_DIFF -gt $INTERVAL ]
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then
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pandora_datarun 0 "N/A"
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fi
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done
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else
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while [ 1 ]
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do
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pandora_datarun 0 "N/A"
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sleep $INTERVAL
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done
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fi
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pandora_datarun () {
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# Chunkmode 1 for Async, 0 for Sync
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CHUNKMODE=$1
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SYNCDATA=$2
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# PREPARE XML DATA FILE BEGIN
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# Deleted debug / error info on each run to avoid giant logs
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rm -Rf $PANDORA_LOGFILE.err 2> /dev/null
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# Date and time, SERIAL is number of seconds since 1/1/1970, for every packet.
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TIMESTAMP=`date +"%Y/%m/%d %H:%M:%S"`
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SERIAL=`date +"%s"`
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# File names
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DATA=$TEMP/$NOMBRE_HOST.$SERIAL.data
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DATA2=$TEMP/$NOMBRE_HOST.$SERIAL.data_temp
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CHECKSUM=$TEMP/$NOMBRE_HOST.$SERIAL.checksum
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PANDORA_FILES="$TEMP/$NOMBRE_HOST.$SERIAL.*"
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# Makes data packet
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echo "<?xml version=\"1.0\" encoding=\"$ENCODING\"?> " > $DATA
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echo "<agent_data os_name='$OS_NAME' os_version='$OS_VERSION' interval='$INTERVAL' version='$AGENT_VERSION' timestamp='$TIMESTAMP' agent_name='$NOMBRE_HOST'>" >> $DATA
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pandora_async_chunk "$PANDORA_HOME/pandora_agent.conf" "$DATA2" "$DATA"
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for a in `cat $PANDORA_HOME/pandora_agent.conf | grep -v -e "^#" | grep -e "^module" `
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do
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a=`echo $a | tr -s " " " "`
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DIGITALGATE=0
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if [ ! -z "`echo $a | grep -e '^module_exec'`" ]
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then
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if [ $EXECUTE -eq 0 ]
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then
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execution=`echo $a | cut -c 13- `
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res=`eval $execution`
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if [ -z "$flux_string" ]
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then
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res=`eval expr $res 2> $PANDORA_LOGFILE.err`
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fi
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echo "<data><![CDATA[$res]]></data>" >> $DATA2
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fi
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fi
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if [ ! -z "`echo $a | grep -e '^module_async'`" ]
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then
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if [ $CHUNKMODE -eq 1 ]
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then
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DIGITALGATE=`echo $a | cut -c 14- `
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if [ -z "`echo $SYNCDATA | grep \"$DIGITALGATE\"`" ]
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then
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EXECUTE=1
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echo "Avoiding execution for DIGITALGATE $DIGITALGATE"
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fi
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fi
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fi
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if [ ! -z "`echo $a | grep -e '^module_name'`" ]
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then
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name=`echo $a | cut -c 13- `
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echo "<name><![CDATA[$name]]></name>" >> $DATA2
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fi
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if [ ! -z "`echo $a | grep -e '^module_begin'`" ]
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then
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echo "<module>" >> $DATA2
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EXECUTE=0
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fi
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if [ ! -z "`echo $a | grep -e '^module_max' `" ]
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then
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max=`echo $a | awk '{ print $2 }' `
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echo "<max><![CDATA[$max]]></max>" >> $DATA2
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fi
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if [ ! -z "`echo $a | grep -e '^module_min'`" ]
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then
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min=`echo $a | awk '{ print $2 }' `
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echo "<min><![CDATA[$min]]></min>" >> $DATA2
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fi
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if [ ! -z "`echo $a | grep -e '^module_description'`" ]
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then
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desc=`echo $a | cut -c 20- `
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echo "<description><![CDATA[$desc]]></description>" >> $DATA2
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fi
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if [ ! -z "`echo $a | grep -e '^module_end'`" ]
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then
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echo "</module>" >> $DATA2
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MODULE_END=1
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else
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MODULE_END=0
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fi
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if [ ! -z "`echo $a | grep -e '^module_type'`" ]
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then
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mtype=`echo $a | awk '{ print $2 }' `
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if [ ! -z "`echo $mtype | grep 'generic_data_string'`" ]
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then
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flux_string=1
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else
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flux_string=0
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unset flux_string
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fi
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echo "<type><![CDATA[$mtype]]></type>" >> $DATA2
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fi
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if [ ! -z "`echo $a | grep '^module_interval'`" ]
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then
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# Determine if execution is to be done
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MODULEINTERVAL=`echo $a | awk '{ print $2 }'`
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EXECUTE=`expr \( $CONTADOR + 1 \) % $MODULEINTERVAL`
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fi
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# If module ends, and execute for this module is enabled
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# then write
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if [ $MODULE_END -eq 1 ]
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then
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if [ $CHUNKMODE -eq 1 ]
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then
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if [ $DIGITALGATE -eq 0 ]
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then
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EXECUTE=1
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fi
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fi
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if [ $EXECUTE -eq 0 ]
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then
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cat $DATA2 >> $DATA
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fi
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rm -Rf $DATA2 > /dev/null 2> /dev/null
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# If this is SYNC mode, for each finished module
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# we should check for pending ASYNC modules
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# (if defined and any pending to read)
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if [ $CHUNKMODE -eq 0 ] && [ $SYNC_DATA -gt 0 ]
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then
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GETSYNC_DATA=`$PANDORA_HOME/pandora_getsync`
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if [ "$GETSYNC_DATA" != "0" ]
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then
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pandora_datarun 1 "$GETSYNC_DATA"
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fi
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fi
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fi
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done
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# Ony for SYNC mode
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if [ $CHUNKMODE -eq 0 ]
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then
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# Count number of agent runs
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CONTADOR=`expr $CONTADOR + 1`
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# Keep a limit of 100 for overflow reasons
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if [ $CONTADOR -eq 100 ]
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then
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CONTADOR=0
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fi
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# Call for user-defined script for data adquisition
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if [ -f "$PANDORA_HOME/pandora_user.conf" ]
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then
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/bin/sh $PANDORA_HOME/pandora_user.conf >> $DATA
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fi
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# Checking MD5
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if [ "$CHECKSUM_MODE" = "1" ]
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then
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# Calculate Checksum and prepare MD5 file
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CHECKSUM_DATA=`md5sum $DATA`
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echo $CHECKSUM_DATA > $CHECKSUM
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else
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CHECKSUM_DATA="No valid checksum"
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echo $CHECKSUM_DATA > $CHECKSUM
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fi
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fi
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# Finish data packet
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echo "</agent_data>" >> $DATA
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echo "" >> $DATA
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# Replace & chars in XML (should not to be any) to avoid syntax problems
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sed "s/&/&/g" $DATA > $TEMP/finalxml.tmp
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rm -f $DATA
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mv $TEMP/finalxml.tmp $DATA
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if [ "$DEBUG_MODE" = "1" ]
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then
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echo "$TIMESTAMP - Finish writing XML $DATA" >> $PANDORA_LOGFILE
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echo "(**) Data file is at $DATA - Exiting now"
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echo " "
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exit 0
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fi
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# Send packets to server and detele it
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if [ "$TRANSFER_MODE" = "ssh" ]
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then
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scp -i /opt/pandora/ssh $PANDORA_FILES pandora@$SERVER_IP:$SERVER_PATH > /dev/null 2> $PANDORA_LOGFILE.err
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fi
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if [ "$TRANSFER_MODE" = "ftp" ]
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then
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ftp SERVER_IP > /dev/null 2> $PANDORA_LOGFILE.err
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fi
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if [ "$TRANSFER_MODE" = "local" ]
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then
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cp $PANDORA_FILES $SERVER_PATH > /dev/null 2> $PANDORA_LOGFILE.err
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fi
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# Delete data
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rm -f $PANDORA_FILES 2> $PANDORA_LOGFILE.err
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}
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