[stunnel-users] How do I use the Stunnel download on android?

Jhon BYaka byaka.life at gmail.com
Wed Dec 9 17:00:28 CET 2015


Sorry guys, can i ask a stupid question? What reason to use stunnel on
Android?

ср, 9 дек. 2015 г. в 17:01, Research | FrenchFlorida <
research at frenchflorida.com>:

> Thanks for the reply.
> I'm not sure what " statically linked ELF executable for Android/ARM"
> means yet, but I will look it up. ;)
>
> Since I sent the message I did a lot of digging that yielded me very
> little details. In fact I only came a cross a few mentions that stunnel
> could be used on android but no examples of how that was implemented. After
> a vague hint I managed to deduced how the file worked, but it took me a
> little more independent research to understand how to make it, at least
> execute. I'm not new to linux but am new to android so not as familiar to
> how the system works in general.
>
> I did see that an android app was on your todo list. In the meanwhile
> however, may I suggest a little howto for Android that could get a user
> started in using the app. Stunnel is an amazing application and since I was
> able to figure it out I made myself a guide on how to set it up (Minus
> actually creating the configuration) so that I can at least know how to
> execute stunnel.
>
> Since I already did the research I offer you my very unorganized primer on
> how to set it up below. Perhaps it would be useful for some to have a
> better version of this doc on the site, and if not, well at least a well
> determined person can find this topic in the mailing list, because there
> will be only one other topic with the word "Android" in the title so it can
> perhaps get a user out of jam more quickly without.
>
> Here is my guide:
> -----------------------------
> Chances are that "It is a statically linked ELF executable for
> Android/ARM." Means that within the stunnel-android.zip resides one file,
> and that file is the executable file for stunnel. It is in fact the defacto
> program that under linux you would see in /etc/local/bin/stunnel if that
> was where you installed it.
>
> This means that the requirements to use this file are as such:
> 1. Your phone probably needs to be rooted
> 2. You will need access to a terminal on your phone (Terminal Emulator)
> 3. There is no "APP" to run stunnel it is a command line file
>
> There are probably two reasons you would want to use stunnel on your phone.
> 1. You are an app developer that wants to use stunnel to connect one part
> of your app to something else, and therefore will incorporate this script
> within your app. I don't know how to make apps yet so that's probably as
> useful as I can make the description for you.
> 2. You are a user that has already used stunnel on your machine and wants
> to use it on your phone too. [The rest of the guide assumes this is the
> case.]
>
> Assuming the latter, what do you need to do to get it running?
> 1. Move the stunnel application to your phone.
> 2. As you would do in linux open the terminal
> 3. Run stunnel like a command
>
> If you get an error message saying it is not executable, or that
> permission is denied it is because of one of two things.
> Maybe you need to mark the file as executable
> Chmod +x ./stunnel
> Terminal Emulator's chmod does not understand "+x" so you will have to
> change the permission to
> Chmod 700 ./stunnel
> 700 means Read-Write-Execute for the user. If it doesn't work try 770 and
> 777
>
> However you are likely to still receive that error on some phones. (I'm
> guessing, just because it happened to my phone I am not assuming it will
> happen to all phones.)
>
> Some phones forbid there to be an executable script within the /sdcard/
> directory. Therefore you have to move it somewhere else.
>
> I don’t know where the proper place for such a file is, I moved mine to
> /system/bin/ therefore the script is callable by /system/bin/stunnel
>
> Another Caveat!! My phone's /system folder is not writable!! Therefore
> before you can even move the file you need to make the system folder
> writable:
> mount -o rw,remount /system
> Once moved needs to be made readonly again:
> mount -o ro,remount /system
>
>
> So In summary, here is a step-by-step of what might work in getting the
> script to an executable state on Android:
> 1. Root phone
> 2. install terminal emulator
> 3. get stunnel script onto your phone somehow
> 4. mount -o rw,remount /system
> 5. cp /sdcard/Download/stunnel /system/bin/stunnel
> 6. chown 700 /system/bin/stunnel
> 7. mount -o ro,remount /system
>
> 8. /system/bin/stunnel /path/to/conf/file*
>
> Now as if you are on linux you should probably** be able to run stunnel.
>
> *I haven't tested it out with conf files yet.
> ** I'm able to run stunnel --version so stunnel in and of itself is
> "working"
>
> -----------------------------
>
> If this guide is any good to you guys, please feel free to use, I would
> love to contribute in some way. :)
>
> Thanks!
>
> -Cotex
>
> -----Original Message-----
> From: stunnel-users [mailto:stunnel-users-bounces at stunnel.org] On Behalf
> Of stunnel-users-request at stunnel.org
> Sent: Tuesday, December 08, 2015 7:00 PM
> To: stunnel-users at stunnel.org
> Subject: stunnel-users Digest, Vol 137, Issue 10
>
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> Today's Topics:
>
>    1. Re: How do I use the Stunnel download on android?
>       (Michal Trojnara)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Mon, 7 Dec 2015 16:14:05 +0100
> From: Michal Trojnara <Michal.Trojnara at mirt.net>
> To: stunnel-users at stunnel.org
> Subject: Re: [stunnel-users] How do I use the Stunnel download on
>         android?
> Message-ID: <5665A23D.8050408 at mirt.net>
> Content-Type: text/plain; charset=utf-8
>
> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA256
>
> Hi cotex,
>
> It is a statically linked ELF executable for Android/ARM.
> It is only useful for people who customize their Android, and not for
> end-users.
>
> A proper Android GUI is on my TODO list:
> https://www.stunnel.org/sdf_todo.html
>
> Best regards,
>         Mike
>
> On 04.12.2015 11:02, Research | FrenchFlorida wrote:
> > In the download section of the site, there is a zip for android.
> >
> > Inside this file is a single file, without any extention.
> >
> > How do I install this, I have found no documentation anywhere on the
> > web.
> >
> >
> >
> > Can anybody guide me, or give me a hint. Is this something I do on the
> > phone, or that I do from the computer first?
> >
> >
> >
> > -cotex
> >
> >
> >
> > _______________________________________________ stunnel-users mailing
> > list stunnel-users at stunnel.org
> > https://www.stunnel.org/cgi-bin/mailman/listinfo/stunnel-users
> >
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