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OpenVPN for Android
=============
![build status](https://github.com/schwabe/ics-openvpn/actions/workflows/build.yaml/badge.svg)


Description
------------
With the new VPNService of Android API level 14+ (Ice Cream Sandwich) it is possible to create a VPN service that does not need root access. This project is a port of OpenVPN.

<a href="https://f-droid.org/repository/browse/?fdid=de.blinkt.openvpn" target="_blank">
<img src="https://f-droid.org/badge/get-it-on.png" alt="Get it on F-Droid" height="80"/></a>
<a href="https://play.google.com/store/apps/details?id=de.blinkt.openvpn" target="_blank">
<img src="https://play.google.com/intl/en_us/badges/images/generic/en-play-badge.png" alt="Get it on Google Play" height="80"/></a>

Code Transparency
-----------------
Fingerprint of the code transparency key used to be able to verify that
apks generated by the Play are not modified (https://developer.android.com/guide/app-bundle/code-transparency): 

    19 62 43 6C 96 B4 9D 12 75 83 B1 22 DA 14 F4 5D 2B 78 5D A4 13 1F 04 BE 73 A0 88 32 15 59 18 8D

Full signing certificate (also under misc/code-transparency.pem):

    -----BEGIN CERTIFICATE-----
    MIIFjTCCA3WgAwIBAgIIJDXa55a+Ag0wDQYJKoZIhvcNAQEMBQAwdDELMAkGA1UE
    BhMCREUxDDAKBgNVBAgTA05SVzESMBAGA1UEBxMJUGFkZXJib3JuMRowGAYDVQQK
    ExFBdmlhbiBJUCBDYXJyaWVyczEQMA4GA1UECxMHUkZDMTE0OTEVMBMGA1UEAxMM
    QXJuZSBTY2h3YWJlMCAXDTIzMDcyNzA5MzEyNloYDzIwNTMwNzE5MDkzMTI2WjB0
    MQswCQYDVQQGEwJERTEMMAoGA1UECBMDTlJXMRIwEAYDVQQHEwlQYWRlcmJvcm4x
    GjAYBgNVBAoTEUF2aWFuIElQIENhcnJpZXJzMRAwDgYDVQQLEwdSRkMxMTQ5MRUw
    EwYDVQQDEwxBcm5lIFNjaHdhYmUwggIiMA0GCSqGSIb3DQEBAQUAA4ICDwAwggIK
    AoICAQC8FZVaV1aEy3SmIWQSn0xVjn9yrhOyQOZ2AasqB9EH1ylSZs4zii/ePiBE
    4g/auhDPnn/K1hWYevCJr/7zvJVaaocpl0hLqXHCQr7tSifREDM8lHeXYlW67Bbx
    sFFREvHfDyAHM5CYDzIEDWrHNp2mBFRLLP1fgl5bZ8r50UCyNdvgIHozDwXITdnR
    FeTSzIugZaLL+tGvtVU3Mc03bHhFp9mVbB3ZRjVnZsQ8Abs++zimT9srDqRFkbC0
    F1N+Syicw3JRI2trLB6Fezc4lCwAmeKQRIY+QOdCZZSaD5+iyINcXg63QJRkGdoL
    GHhp6wCiJD2xwpuiQLVVzF1sIOUJWq0tcjazjXo3axsHbMhRZNCwspq2wUTgLtuZ
    xSWT1enJF+1o2Y4ecR+aaKorppFe00Bhylg1+tj0CWfn6rwee1jkyf+hFDIuqvZi
    Mukbeke7K3ADK8JdJ6xl9FbZeafFxGHiwt+Ftc5oDariC3LR3gN0ochrNiNI20qS
    3ZAKeHaRLy6AUP8ccvD+KQf439JVXquDdlCgFkE7uSv136cY3HVk1QPzzDJFwFoQ
    TNdLajd2YJD1GXZzinT+HOjrLt61P+qAY1cmsxaKdBdBRXFiRyUaZbBUD+4omcvy
    Uoz8nWXUdwqyEjtYeq+XmL4HX3t3JhNy8zfyLpf6Xa4y0Zdq9QIDAQABoyEwHzAd
    BgNVHQ4EFgQUoivC+NgNB1xqM76DTI3QR6DCgFIwDQYJKoZIhvcNAQEMBQADggIB
    ALo1KRzLjgbpK1aZPfJJ63R2CQLX2KpolHO4GZxcXgZCv2h9V45aiLO6nKUDL6Dc
    6A0izgxtNQlwuloBTb0fMIS/A9Pl1p8/M1JvYNC1zDWVBKeUMkEeBwVCo8rn8giG
    GtdDNLJmFv5bqgS6ZF2av2pZnkr2Q2sAiSFVpBzFjP2T5/WNkO3O7ybTb+c5VeQE
    DuOpJawd+/5m4SjYmthARBX57gpDZiGR/Usid2FHrSSXmddbFkD8tbZUM0AvSW4z
    8TX2v3eO3PJPov5uksV4USNCUxPx7KfVQDsvbGJyup9I08fvVrAI1ZJGuk33QGLa
    Uy2U7UuUGmarOpN9xBrTWkGw/6J+XdJbArRV3N+TjzAs0cCCcqp94+W7aXb7Bvna
    ssXnvvd8Ph2DVocv4msk8NNnGh4Ss2wbfOM1j7hlka0szARjOzribm3oagu5dQmE
    b+CV2mE9RokP3co1hMIf4GAFQM+Ul+4nzz2ogQ7JJfkbLJFnM0WUUzpeKLmB3UD6
    3kWlS6ZsDrqXUDNwUJ0Fn4Kcg0YYKGtQGqUngcwYlU8iuH+WU/cf2XuLM/r8K94l
    P7u5iBz+Cot3lyKMv7GY4huboCe91i4njrjUJkYbyXdNS5WvZoznvg/YsAYBsYk8
    X3vLORq2tRoP4oMEEGEussYdnpWeqYroHJ9FdDM7Sv7e
    -----END CERTIFICATE-----


Developing
---------------
If you want to develop on ics-openvpn please read the [doc/README.txt](https://github.com/schwabe/ics-openvpn/blob/master/doc/README.txt) *before* opening issues or emailing me. 

Also please note that before contributing to the project that I would like to retain my ability to relicense the project for different third parties and therefore probably need a contributer's agreement from any contributing party. To get started, [sign the Contributor License Agreement](https://www.clahub.com/agreements/schwabe/ics-openvpn).

You can help
------------
Even if you are no programmer you can help by translating the OpenVPN client into your native language. [Crowdin provides a free service for non commercial open source projects](https://crowdin.net/project/ics-openvpn/invite) (Fixing/completing existing translations is very welcome as well)

FAQ
-----
You can find the FAQ here (same as in app): https://ics-openvpn.blinkt.de/FAQ.html

Controlling from external apps
------------------------------

There is the AIDL API for real controlling (see developing section). Due to high demand also 
acitvies to start/stop, pause/resume (like a user would with the notification)  exists
  
 - `de.blinkt.openvpn.api.DisconnectVPN`
 - `de.blinkt.openvpn.api.ConnectVPN`
 - `de.blinkt.openvpn.api.PauseVPN`
 - `de.blinkt.openvpn.api.ResumeVPN`

They use `de.blinkt.openvpn.api.profileName` as extra for the name of the VPN profile.

You can use `adb` to to test these intents:

    adb -d shell am start -a android.intent.action.MAIN -n de.blinkt.openvpn/.api.ConnectVPN --es de.blinkt.openvpn.api.profileName myvpnprofile


Note to administrators
------------------------

You make your life and that of your users easier if you embed the certificates into the .ovpn file. You or the users can mail the .ovpn as a attachment to the phone and directly import and use it. Also downloading and importing the file works. The MIME Type should be application/x-openvpn-profile. 

Inline files are supported since OpenVPN 2.1rc1 and documented in the  [OpenVPN 2.3 man page](https://community.openvpn.net/openvpn/wiki/Openvpn23ManPage) (under INLINE FILE SUPPORT) 

(Using inline certifaces can also make your life on non-Android platforms easier since you only have one file.)

For example `ca mycafile.pem` becomes
```
  <ca>
  -----BEGIN CERTIFICATE-----
  MIIHPTCCBSWgAwIBAgIBADANBgkqhkiG9w0BAQQFADB5MRAwDgYDVQQKEwdSb290
  [...]
  -----END CERTIFICATE-----
  </ca>
```
Footnotes
-----------
Please note that OpenVPN used by this project is under GPLv2. 

If you cannot or do not want to use the Play Store you can [download the apk files directly](http://plai.de/android/).

If you want to donate you can donate to [arne-paypal@rfc2549.org via paypal](https://www.paypal.com/cgi-bin/webscr?hosted_button_id=R2M6ZP9AF25LS&cmd=_s-xclick), or alternatively if you believe in fancy Internet money you can use Bitcoin: 1EVWVqpVQFhoFE6gKaqSkfvSNdmLAjcQ9z 

The old official or main repository was a Mercurial (hg) repository at http://code.google.com/p/ics-openvpn/source/

The new Git repository is now at GitHub under https://github.com/schwabe/ics-openvpn

Please read the doc/README before asking questions or starting development.