mirror of https://github.com/deajan/osync
Added 3-clause BSD Licence plus ssh_filter.sh
deajan
11 years ago
parent
50c4fe50e1
commit
354464495b
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Copyright (c) 2013, Orsiris "Ozy" de Jong. ozy@netpower.fr
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All rights reserved.
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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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* Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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* Neither the name of the author nor the
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names of its contributors may be used to endorse or promote products
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derived from this software without specific prior written permission.
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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 HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY
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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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#!/bin/bash
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##### Obackup & Osync ssh command filter build 2408201301
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##### This script should be located in /usr/local/bin in the remote system to sync / backup
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##### It will filter the commands that can be run remotely via ssh.
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##### Please chmod 755 and chown root:root this file
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##### Obackup needed commands: rsync find du mysql mysqldump (sudo)
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##### Osync needed commands: rsync find du echo mkdir rm if df (sudo)
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## If enabled, execution of "sudo" command will be allowed.
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SUDO_EXEC=yes
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## Paranoia option. Don't change this unless you read the documentation and still feel concerned about security issues.
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RSYNC_EXECUTABLE=rsync
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## Enable other commands, useful for remote execution hooks like remotely creating snapshots.
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CMD1=
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CMD2=
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CMD3=
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LOG_FILE=~/.ssh/ssh_filter.log
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function Log
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{
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DATE=$(date)
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echo "$DATE - $1" >> $LOG_FILE
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}
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function Go
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{
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eval $SSH_ORIGINAL_COMMAND
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}
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case ${SSH_ORIGINAL_COMMAND%% *} in
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"$RSYNC_EXECUTABLE")
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Go ;;
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"mysqldump")
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Go ;;
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"mysql")
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Go ;;
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"echo")
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Go ;;
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"find")
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Go ;;
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"du")
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Go ;;
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"mkdir")
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Go ;;
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"rm")
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Go ;;
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"df")
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Go ;;
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"$CMD1")
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Go ;;
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"$CMD2")
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Go ;;
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"$CMD3")
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Go ;;
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"sudo")
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if [ "$SUDO_EXEC" == "yes" ]
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then
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if [[ "$SSH_ORIGINAL_COMMAND" == "sudo $RSYNC_EXECUTABLE"* ]]
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then
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Go
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elif [[ "$SSH_ORIGINAL_COMMAND" == "sudo du"* ]]
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then
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Go
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elif [[ "$SSH_ORIGINAL_COMMAND" == "sudo find"* ]]
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then
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Go
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elif [[ "$SSH_ORIGINAL_COMMAND" == "sudo mkdir"* ]]
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then
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Go
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elif [[ "$SSH_ORIGINAL_COMMAND" == "sudo rm"* ]]
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then
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Go
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elif [[ "$SSH_ORIGINAL_COMMAND" == "sudo echo"* ]]
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then
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Go
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elif [[ "$SSH_ORIGINAL_COMMAND" == "sudo df"* ]]
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then
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Go
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elif [[ "$SSH_ORIGINAL_COMMAND" == "sudo $CMD1"* ]]
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then
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Go
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elif [[ "$SSH_ORIGINAL_COMMAND" == "sudo $CMD2"* ]]
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then
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Go
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elif [[ "$SSH_ORIGINAL_COMMAND" == "sudo $CMD3"* ]]
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then
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Go
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else
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Log "Command [$SSH_ORIGINAL_COMMAND] not allowed."
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exit 1
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fi
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else
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Log "Command [$SSH_ORIGINAL_COMMAND] not allowed. sudo not enabled."
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exit 1
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fi
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;;
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*)
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Log "Command [$SSH_ORIGINAL_COMMAND] not allowed."
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exit 1
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esac
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