36 lines
1.3 KiB
Bash
Executable File
36 lines
1.3 KiB
Bash
Executable File
#!/bin/bash
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# The purpose of this script is to check if VPN connection is active
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# This script will be called (via a service) in 2 situations:
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# On a regular basis when transmission is running
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# This will be achieved with a timer started and stopped with transmission service
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# On transmission starting
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# When the script exits with failure, associated service should try to start transmission service
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# NOTE not on transmission starting, as this script is not run by its service; it means there's an issue with VPN at
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# start, and this should be looked at manually
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# Thus this script will be executed again
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# We can enter an infinite loop, but this will effectively prevent transmission from connecting
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# If both services are stopped, this script will never be run by error
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run_directory=$(dirname $(readlink -f "$0"))
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source "$run_directory/variables.conf"
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# Parameters
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myip_request="curl -s -4 https://ifconfig.co"
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vpn_service="openvpn-client@vpn.service"
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transmission_service="transmission-daemon.service"
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# Main process
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ip=$($myip_request)
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if [[ $ip = $real_ip ]]; then
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systemctl stop $transmission_service
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systemctl stop $vpn_service
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sleep 3
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systemctl start $vpn_service
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sleep 5
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exit 1
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elif [[ $ip =~ (25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)(\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)){3} ]]; then
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exit 0
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else
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exit 1
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fi
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