mirror of
https://github.com/iiab/iiab.git
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46 lines
1.8 KiB
Django/Jinja
Executable file
46 lines
1.8 KiB
Django/Jinja
Executable file
#!/bin/bash -x
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# Small daemon to identify this machine to the OpenVPN server
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HANDLE=
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UUID=
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if [ -f /etc/iiab/openvpn_handle ]; then
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# Option #1: Source directly from /etc/iiab/local_vars.yml in future?
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# Option #2
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HANDLE=`cat /etc/iiab/openvpn_handle`
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# Sourcing a variable from ~4 different places is a recipe for total confusion
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# (or worse!) Far better to make variable openvpn_handle and file
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# /etc/iiab/openvpn_handle "obligatory" (EMPTY STRING "" IS TOLERATED, IN WHICH
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# CASE OPENVPN SERVER TRIES TO USE /etc/iiab/uuid BELOW, IN LIEU OF HANDLE...)
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# CLARIF: "systemctl restart openvpn@xscenet" still runs even if the above is
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# defied. e.g. if an implementer deletes /etc/iiab/openvpn_handle by accident.
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#else
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# # Option #3: Dangerous to invoke hypothetical variables :(
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# source /etc/iiab/iiab.env
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# # Option #4: CAUSED FAILURES IN AUGUST 2018, invoking stale variable from /etc/iiab/iiab.ini, but safer now that relegated to #4 ?
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# if [ -z "$HANDLE" ]; then
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# HANDLE=`cat /etc/iiab/iiab.ini | gawk \
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# '{ if((toupper($1) == "HANDLE") && ($2 == "=")) { print $3;}}'`
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# fi
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fi
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HANDLE=${HANDLE// /_}
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if [ -f /etc/iiab/uuid ]; then
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UUID=`cat /etc/iiab/uuid`
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fi
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SERVER=/usr/bin/ncat
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ID=`printf "HANDLE = %s|UUID = %s" $HANDLE $UUID`
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# August 2018: Removal of trailing slash tested on Raspbian, Ubuntu 18.04 & Ubuntu 16.04
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#ID=`printf "HANDLE = %s|UUID = %s|" $HANDLE $UUID`
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# Start the daemon which will serve the handle on demand
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{% if is_debuntu %}
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$SERVER -l -k -p1705 --exec "/bin/echo $ID" &
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{% else %}
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source /etc/init.d/functions
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PID_FILE=/var/run/openvpn/announce.pid
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daemon --pidfile=${PID_FILE} $SERVER "-l -k -p1705 --exec \"/usr/bin/echo $ID\"" &
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#daemon --pidfile=${PID_FILE} $SERVER "-l -k -p1705 --exec \"/usr/bin/echo $(printf 'HANDLE = %s|UUID = %s' $HANDLE $UUID)\"" &
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{% endif %}
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