mirror of
https://github.com/AG7GN/nexus-utilities.git
synced 2025-05-17 23:20:08 -07:00
57 lines
1.9 KiB
Bash
Executable File
57 lines
1.9 KiB
Bash
Executable File
#!/bin/bash
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# Extracts Connection events for VNC server activity occuring in the past 24 hours
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# and emails results via patmail.sh and pat
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#
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# Usage: vnc-server-activity.sh [email-address[,email-address]...]
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#
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VERSION="1.1.3"
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# Pat and patmail.sh must be installed. If they are not, exit.
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command -v pat >/dev/null 2>&1 || exit 1
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command -v patmail.sh >/dev/null 2>&1 || exit 1
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declare -i AGE=24 # Specify Age in hours. Events older than AGE will not be included.
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FILES="/var/log/user.log*"
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# Mail VNC Server login activity for last 24 hours.
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# MAILTO can contain multiple destination email addresses. Separate addresses with a
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# comma.
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MAILTO="${1:-w7ecg.wecg@gmail.com}"
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FILTERED="$(mktemp)"
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OUTFILE="$(mktemp)"
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grep -h Connections $FILES 2>/dev/null 1>$FILTERED
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NOW="$(date +'%s')"
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if [ -s $FILTERED ]
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then
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while IFS= read -r LINE
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do
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D="${LINE%% $HOSTNAME*}" # Extract date from log message
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E="$(date --date="$D" +'%s')" # Convert date to epoch
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if [ $E -gt $NOW ]
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then # Now in new year. (Log messages don't include year, so it's a problem going from December to January.)
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# Account for leap years
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date -d $(date +%Y)-02-29 >/dev/null 2>&1 && SEC_IN_YEAR=$((60 * 60 * 24 * 366)) || SEC_IN_YEAR=$((60 * 60 * 24 * 365))
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# Make it December again ;)
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E=$(( $E - $SEC_IN_YEAR ))
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fi
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let DIFF=$NOW-$E
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if [ $DIFF -le $(($AGE * 3600)) ] # Print events <= AGE hours old
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then # Print selected fields only
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echo "$LINE" | tr -s ' ' | cut -d' ' -f1,2,3,7- >> $OUTFILE
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fi
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done < $FILTERED
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fi
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[ -s $OUTFILE ] || echo "No VNC Server activity." > $OUTFILE
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#{
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# echo To: $MAILTO
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# echo From: $MAILFROM
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# echo Subject: $HOSTNAME VNC Server activity for 24 hours preceding `date`
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# echo
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# cat $OUTFILE
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#} | /usr/sbin/ssmtp $MAILTO
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cat $OUTFILE | sort | uniq | $(command -v patmail.sh) $MAILTO "$HOSTNAME VNC Server activity for 24 hours preceding `date`" telnet
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rm $OUTFILE
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rm $FILTERED
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