94 lines
1.8 KiB
Bash
Executable File
94 lines
1.8 KiB
Bash
Executable File
#!/bin/bash
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#
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# Get an OpenVPN client configuration file
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#
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if [ "$DEBUG" == "1" ]; then
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set -x
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fi
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set -e
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if [ -z "$OPENVPN" ]; then
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export OPENVPN="$PWD"
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fi
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if [ -z "$EASYRSA_PKI" ]; then
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export EASYRSA_PKI="$OPENVPN/pki"
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fi
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[ -f $OPENVPN/server ] || { echo "Missing OpenVPN server setup!"; exit 1; }
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cn="$1"
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type="$2"
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[ -z "$type" ] && type="ovpn"
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server="$(cat $OPENVPN/server)"
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set +x
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if [ "$type" == "ovpn" -o "$type" == "combined" ]; then
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if [ ! -f "$EASYRSA_PKI/private/${cn}.key" ]; then
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echo "Unable to find certificate or key for \"${cn}\" !" >&2
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exit 1
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fi
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echo "
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client
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dev tun
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proto udp
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resolv-retry infinite
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nobind
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persist-key
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persist-tun
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remote-cert-tls server
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cipher AES-256-GCM
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auth-user-pass
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reneg-sec 0
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#static-challenge "Enter Google Authenticator Code:" 1
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# comp-lzo yes
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user nobody
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verb 3
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remote $server
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<key>
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$(cat $EASYRSA_PKI/private/${cn}.key)
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</key>
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<cert>
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$(openssl x509 -in $EASYRSA_PKI/issued/${cn}.crt)
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</cert>
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<ca>
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$(cat $EASYRSA_PKI/ca.crt)
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</ca>
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<tls-auth>
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$(cat $EASYRSA_PKI/ta.key)
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</tls-auth>
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"
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fi
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# TOTP incl. QRCODE
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if [ "$type" == "totp" -o "$type" == "combined" ]; then
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if [ ! -f "${OPENVPN}/otp/${cn}.google_authenticator" ]; then
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echo "Unable to find TOTP data for \"${cn}\" !" >&2
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exit 1
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fi
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# secret is always first line
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secret="$(head -1 ${OPENVPN}/otp/${cn}.google_authenticator)"
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# remaining one time codes are at the bottom, max 5
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onetime="$(tail -n +2 ${OPENVPN}/otp/${cn}.google_authenticator | grep -v \")"
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# Output as UTF8 and remove all ANSI control to allow piping eg. into yopass
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echo "otpauth://totp/${cn}?secret=${secret}&issuer=${server}" | qrencode -o - -t ANSIUTF8 | sed "s,\x1B\[[0-9;]*[a-zA-Z],,g"
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echo "Your new secret key is: $secret"
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echo "Your emergency scratch codes are:"
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echo "$onetime"
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fi
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