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trackdown
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===
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Copyright (c) 2015, Bret R. Human
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All rights reserved.
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Further documentation can be found at
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https://psi.cynicaloptimist.me/Caffarius/trackdown/
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Happy modding! -Bret
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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1. Redistributions of source code must retain the above copyright notice,
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the documentation link and note, this list of conditions, and the following
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disclaimer.
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2. Redistributions in binary form must reproduce the above copyright notice,
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this list of conditions and the following disclaimer in the documentation
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and/or other materials provided with the distribution.
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3. All advertising materials mentioning features or use of this
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software must display the following acknowledgment:
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"Built using software developed by Cynical Optimist - https://cynicaloptimist.me
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Ask what we can build for you at info@cynicaloptimist.me"
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4. The names "Cynical Optimist" and "Bret R. Human" and the software name listed
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at the top of this document, or the domain "cynicaloptimist.me" or any
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affiliated service must not be used to endorse or promote products derived
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from this software without prior written permission. For written permission,
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contact info@cynicaloptimist.me.
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5. Products derived from this software may not be called the software name
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listed at the top of this document nor may "Cynical Optimist" or the software
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name listed at the top of this document appear in their names without prior
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written permission of Bret R. Human.
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6. Redistributions of any form whatsoever must retain the following
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acknowledgment:
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"Built using software developed by Cynical Optimist - https://cynicaloptimist.me
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Ask what we can build for you at info@cynicaloptimist.me"
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
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ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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# trackdown
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A quick and dirty script to report if a user is present on a list of servers.
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#!/bin/bash
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## Copyright © 2015 Bret Human
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## https://cynicaloptimist.me/
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##
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## Documentation at:
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## https://psi.cynicaloptimist.me/Caffarius/trackdown
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##
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## For questions or comments write:
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## info@cynicaloptimist.me
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#
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# Logs into every server and reports if a user is on it
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#
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# Prereq: Next to nothing. SSH? Bash?
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#
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# If you don't have an ssh key in your ~/.ssh folder this
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# is going to be a loooooooooooooooooooooooooooooooooooooo
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# ooooooooooooooooooooooooooooooooooooong process for you.
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usage () {
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echo "usage: trackdown.sh -n username"
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echo "You must specify a user to search for."
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exit 1
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}
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# Get the username to hunt down.
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while getopts "n:" option; do
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case $option in
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n) user=${OPTARG};;
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esac
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done
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if [ -z "$user" ]; then
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usage
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fi
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# Clean up any previous runs...
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rm foundPlaces > /dev/null 2>&1
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# File containing a list of servers to hit:
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list="serverList"
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echo "Press CTRL-C to skip a server, CTRL-D to quit the script."
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echo ""
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# Loop ALL the servers!
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for thisHereServer in $(< "$list") ; do
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trap "echo CTRL-C was pressed" 2
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trap "echo CTRL-D was pressed" 1
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ssh $thisHereServer "id $user | grep uid" > /dev/null 2>&1 &&
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echo "$user found on $thisHereServer" &&
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echo "$user found on $thisHereServer" >> foundPlaces ||
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echo "Nothing on $thisHereServer"
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done
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