48 lines
1.4 KiB
Bash
Executable File
48 lines
1.4 KiB
Bash
Executable File
#!/bin/bash
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#
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# Initialize the EasyRSA PKI
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#
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if [ "$DEBUG" == "1" ]; then
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set -x
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fi
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set -e
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source "$OPENVPN/ovpn_env.sh"
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# Specify "nopass" as arg[2] to make the CA insecure (not recommended!)
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nopass=$1
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# Download EasyRSA because Ubuntu doesn't have it as a CLI command
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wget https://github.com/OpenVPN/easy-rsa/releases/download/v3.0.4/EasyRSA-3.0.4.tgz
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tar xvf EasyRSA-3.0.4.tgz
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# Provides a sufficient warning before erasing pre-existing files
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~/EasyRSA-3.0.4/easyrsa init-pki
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# CA always has a password for protection in event server is compromised. The
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# password is only needed to sign client/server certificates. No password is
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# needed for normal OpenVPN operation.
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~/EasyRSA-3.0.4/easyrsa build-ca $nopass
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~/EasyRSA-3.0.4/easyrsa gen-dh
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openvpn --genkey --secret $EASYRSA_PKI/ta.key
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# Was nice to autoset, but probably a bad idea in practice, users should
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# have to explicitly specify the common name of their server
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#if [ -z "$cn"]; then
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# #TODO: Handle IPv6 (when I get a VPS with IPv6)...
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# ip4=$(dig +short myip.opendns.com @resolver1.opendns.com)
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# ptr=$(dig +short -x $ip4 | sed -e 's:\.$::')
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#
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# [ -n "$ptr" ] && cn=$ptr || cn=$ip4
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#fi
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# For a server key with a password, manually init; this is autopilot
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~/EasyRSA-3.0.4/easyrsa build-server-full "$OVPN_CN" nopass
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# Generate the CRL for client/server certificates revocation.
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~/EasyRSA-3.0.4/easyrsa gen-crl
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