Make fully configurable for other networks
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83d0ed4cb7
commit
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5 changed files with 41 additions and 55 deletions
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@ -14,8 +14,12 @@ ENV \
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OAUTH2_CLIENT_SECRET="" \
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OAUTH2_AUTH_URL="https://gitlab.example.com/oauth/authorize" \
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OAUTH2_TOKEN_URL="https://gitlab.example.com/oauth/token" \
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OAUTH2_REDIRECT_URL="https://certman.example.com/login/oauth2/redirect" \
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OAUTH2_REDIRECT_URL="https://vpn.example.com/login/oauth2/redirect" \
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USER_ENDPOINT="https://gitlab.example.com/api/v4/user" \
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VPN_DEV="tun" \
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VPN_HOST="vpn.example.com" \
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VPN_PORT="1194" \
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VPN_PROTO="udp" \
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APP_KEY=""
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COPY --from=0 /etc/ssl/certs/ca-certificates.crt /etc/ssl/certs/
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COPY --from=0 /go/src/git.klink.asia/paul/certman/certman /
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@ -40,11 +40,16 @@ variables:
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* `USER_ENDPOINT` the URL to the Identity provider user endpoint, for gitlab this is "/api/v4/user". The "username" attribute of the returned JSON will used for authentication.
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* `APP_KEY` random ASCII string, 32 characters in length. Used for cookie generation.
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* `APP_LISTEN` port and ip to listen on, e.g. `:8000` or `127.0.0.1:3000`
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* `VPN_DEV` which device is used by the network, either `tun` or `tap` (check server cfg)
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* `VPN_HOST` Hostname or IP address of the server
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* `VPN_PORT` Port of the VPN server
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* `VPN_PROTO` Protocol of the VPN server, either `tcp` or `udp`
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There are some files that need to be mounted inside the container:
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* `/ca.crt` the certificate of the server PKI
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* `/ca.key` the key of the server PKI, unencrypted
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* `/ta.key` shared HMAC secret of server and client
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* `/clients.json` the generated certificates for each client
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There is an [`docker-compose.yml example`](docker-compose.yml.example) you can use as a base for your own docker-compose service.
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There is an [`docker-compose.yml example`](docker-compose.yml.example) you can use as a base for your own docker-compose service.
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@ -1,8 +1,7 @@
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{{ define "base" }}# Client configuration for {{ .User }}@{{ .Name }}
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client
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dev tun
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remote ovpn.oneofftech.xyz 443 udp
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remote ovpn.oneofftech.xyz 443 tcp
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dev {{ .Dev }}
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remote {{ .Host }} {{ .Port }} {{ .Proto }}
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resolv-retry infinite
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nobind
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persist-key
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@ -16,33 +15,8 @@ tls-version-min 1.2
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;comp-lzo
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verb 3
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route 172.31.1.100 255.255.255.255 net_gateway
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<ca>
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-----BEGIN CERTIFICATE-----
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MIIDwDCCAqigAwIBAgIJAMvRC7FajlAOMA0GCSqGSIb3DQEBCwUAMHUxCzAJBgNV
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BAYTAkRFMQ8wDQYDVQQIDAZCZXJsaW4xDzANBgNVBAcMBkJlcmxpbjETMBEGA1UE
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CgwKT25lT2ZmVGVjaDEWMBQGA1UECwwNSVQgZGVwYXJ0bWVudDEXMBUGA1UEAwwO
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Y2EtY2VydGlmaWNhdGUwHhcNMTgwMTI1MTM0NjI3WhcNMjMwMTI0MTM0NjI3WjB1
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MQswCQYDVQQGEwJERTEPMA0GA1UECAwGQmVybGluMQ8wDQYDVQQHDAZCZXJsaW4x
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EzARBgNVBAoMCk9uZU9mZlRlY2gxFjAUBgNVBAsMDUlUIGRlcGFydG1lbnQxFzAV
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BgNVBAMMDmNhLWNlcnRpZmljYXRlMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIB
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CgKCAQEA5LzVrHqz33L5YiFs1HOZWvLht9yQ6+AxK1+RDZsx8490UEYvPnguyU/c
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8NtaZPtWOg5Qvnh+0tHpLHV+3WbWyIObkix6b3U5EgR6Hgdf1zuzX7y/S2o7uPT1
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zkCgIi9EQfy0IDIhIErsO0dOWndFt/cAfrMaOx0LV/kzr9bKdgg7WLQoVzUgawZq
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ROScZUogaElISxC/C77YaGg9V5sV9qTa3uZ9DxuESzXLGMDx3DJMjH+Yu+nhJjoc
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isSxK5qEnfqWJhZgJFTAY2BRbcMFMieVz/+UGk2GDZf1tpMZOQKxwrNibe4HO8zo
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lfhX+H+sb4QZCdn30eUGstK/jJdQrQIDAQABo1MwUTAdBgNVHQ4EFgQU9UASoCXR
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ountXC2vQ4s9BT5qGRYwHwYDVR0jBBgwFoAU9UASoCXRountXC2vQ4s9BT5qGRYw
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DwYDVR0TAQH/BAUwAwEB/zANBgkqhkiG9w0BAQsFAAOCAQEA2YgYuFKMzoblpPf+
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VcyFKAXC9IoOJFeoA8FWMLBy38FedpCP+aFtlnG5eSLB/Xy7rdJK+7ASrdbAsFMD
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U6P2guqUix4veIBZK0WLGTLfRKHQiOUqNP1zZpWsdrwUoUjGOEt4iqG9PCcaANSg
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mOfl/BK+MtuRevF6Ry2JAZDArUXrXXjNdRXKB7iNc3Sd5icII53OGXXtn1ehzZXL
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djbdz4MZa1kbA1ZlJVaYCRzOS/F9kU2aQceO17foxI5BvnOkpONLXDZHs61/KtYu
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5z7hJoH49+4iyWZuRgWT/sq36qpvu+/f48JPxzqV94Jp77Z9BocTIjdfqHM++X9h
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Yo95ZQ==
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-----END CERTIFICATE-----
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</ca>
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{{ .CA | html }}</ca>
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<cert>
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{{ .Cert | html }}</cert>
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@ -51,26 +25,5 @@ Yo95ZQ==
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{{ .Key | html }}</key>
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<tls-auth>
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#
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# 2048 bit OpenVPN static key
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#
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-----BEGIN OpenVPN Static key V1-----
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187be23c2b3b0a6a9d79bc5b5c95b70b
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b43b6b303e7c00eb75121d68df470ea3
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3cdd0ddedc273f5412f181709890ea32
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7086cbc5b21bbaf3dd231d115b5ba986
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1b1aee31bff9be5f6c6f6dd490d593a1
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eec50bb866558c6b2c6fe62ebfe125d9
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34b7115e72d94ce08cc9e1c4e8ccdbfe
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a5ee19ac0aec60da63df881e3c2e7d4d
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9c4f167ec1b46309f17c16c36683780b
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bed7551ad7a3d526c19014567370122e
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98ae0ae7fd83a8a6de09883fcc181b36
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a8465c0deda7a345ec3d16a4daf3fbf5
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23dc36a48e679c653b3cfc6dbaa150a7
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7ace46081d2c3712ce655f4b8211f674
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4d4688c2b3828f9208a80bf71e6e4554
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ae09b91154a435995439ad576fcc72c1
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-----END OpenVPN Static key V1-----
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</tls-auth>
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{{ .TA | html }}</tls-auth>
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{{ end }}
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@ -20,6 +20,7 @@ services:
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volumes:
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- ./ca.crt:/ca.crt:ro
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- ./ca.key:/ca.key:ro
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- ./ta.key:/ta.key:ro
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- ./clients.json:/clients.json:rw
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labels:
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- "traefik.enable=true"
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@ -13,6 +13,7 @@ import (
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"log"
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"math/big"
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"net/http"
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"os"
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"strings"
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"time"
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@ -170,9 +171,31 @@ func DownloadCertHandler(p *services.Provider) http.HandlerFunc {
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pem.Encode(cbuf, &pem.Block{Type: "CERTIFICATE", Bytes: client.Cert})
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pem.Encode(kbuf, &pem.Block{Type: "RSA PRIVATE KEY", Bytes: client.PrivateKey})
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ca, err := ioutil.ReadFile("ca.crt")
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if err != nil {
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log.Printf("Error loading ca file: %s", err)
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v.RenderError(w, http.StatusInternalServerError)
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return
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}
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ta, err := ioutil.ReadFile("ta.key")
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if err != nil {
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log.Printf("Error loading ta file: %s", err)
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v.RenderError(w, http.StatusInternalServerError)
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return
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}
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vars := map[string]string{
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"Cert": cbuf.String(),
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"Key": kbuf.String(),
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"CA": string(ca),
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"TA": string(ta),
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"Cert": cbuf.String(),
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"Key": kbuf.String(),
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"User": username,
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"Name": name,
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"Dev": os.Getenv("VPN_DEV"),
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"Host": os.Getenv("VPN_HOST"),
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"Port": os.Getenv("VPN_PORT"),
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"Proto": os.Getenv("VPN_PROTO"),
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}
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t, err := views.GetTemplate("config.ovpn")
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