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WX ESP8266 Forwarding to WWW and Protecting Setting Pages — Parallax Forums

WX ESP8266 Forwarding to WWW and Protecting Setting Pages

ShawnaShawna Posts: 508
in Propeller 1
I just got my ESP8266 module. It is great and i am having fun messing with it!

I would like to access it from outside my internal network. I have the server forwarded but, is there anyway to password protect or turn off the settings pages so any random Joe can't screw with them?

Is there a way to change the port from to something other than 80?


Thanks
Shawn
«1

Comments

  • David BetzDavid Betz Posts: 14,511
    I'm afraid that the answer to both questions is currently "no" although Parallax has asked me to look into a way to support https and password protect the settings pages. Another answer to your question is that the source code for the WX firmware is available in the Parallax GitHub account so you could try to add these features yourself. Changing the HTTP port probably wouldn't be that hard. I believe that the problem with https was that it required quite a bit of RAM and the WX (or any other ESP8266) module only has about 16k.
  • ShawnaShawna Posts: 508
    I have no idea what it would take to do those things, but I do think password protecting the settings would be a good idea.
    I wasn't thinking https, just the ability to change the port.

    Does it require sdk to alter the Github files?

    Nice Job by the way!

    My interest is for accessing it from outside my local network, but I am not real savvy on these things. Even if I never figure it out, having the ability to program and monitor my projects remotely is priceless! Everyone should have one of these modules, they are pretty reasonably priced.

    Thanks
  • David BetzDavid Betz Posts: 14,511
    Shawna wrote: »
    I have no idea what it would take to do those things, but I do think password protecting the settings would be a good idea.
    I wasn't thinking https, just the ability to change the port.

    Does it require sdk to alter the Github files?

    Nice Job by the way!

    My interest is for accessing it from outside my local network, but I am not real savvy on these things. Even if I never figure it out, having the ability to program and monitor my projects remotely is priceless! Everyone should have one of these modules, they are pretty reasonably priced.

    Thanks
    Yes, you need the Espressif SDK and the GCC toolchain. A password probably wouldn't be hard to add but how much security would that really offer?

  • David BetzDavid Betz Posts: 14,511
    Actually, you can also program the WX module with the Arduino IDE but the Parallax firmware won't compile using that SDK.
  • ShawnaShawna Posts: 508
    edited 2018-12-08 22:28
    David Betz wrote: »
    Shawna wrote: »
    I have no idea what it would take to do those things, but I do think password protecting the settings would be a good idea.
    I wasn't thinking https, just the ability to change the port.

    Does it require sdk to alter the Github files?

    Nice Job by the way!

    My interest is for accessing it from outside my local network, but I am not real savvy on these things. Even if I never figure it out, having the ability to program and monitor my projects remotely is priceless! Everyone should have one of these modules, they are pretty reasonably priced.

    Thanks
    Yes, you need the Espressif SDK and the GCC toolchain. A password probably wouldn't be hard to add but how much security would that really offer?

    It would keep the average idiot out of the settings file, and make the average clueless person like me feel more secure. LOL

    I don't plan on having anything real critical attached, but I wonder if someone could brick the module easily with access to the setting pages.

    I personally think that anything can be hacked given motivation and time! I maybe wrong!

    Thanks for the info on the SDK, I will download it and see if I can interpret anything.



  • Clock LoopClock Loop Posts: 2,069
    edited 2018-12-09 12:58
    Hello shawn, I have a writeup on how to modify the source, build it, etc...
    Here:https://forums.parallax.com/discussion/169250/parallaxwx-esp8266-raspberrypi-debian-esp-open-sdk-simpleide-openspin-proploader-devel/p1

    As you will see, on the first page, I include a warning that these devices are NOT secure.

    Currently the only way to secure them is to modify the server code (which as @"David Betz" says, might be a feat due to the limits of the esp8266 chip.
    However, I think its possible to spoof the interfaces using a router port that translates to an internal port on your LAN, which points to the the Parallax-ESP module.
    Depending on your router, you can setup some pretty complicated tunneling and vpn connections between your pc and the parallax-esp module.

    I haven't tried it myself, but many routers now run the custom router software DDWRT, which includes ways to make what you are doing more secure.
    I don't know how I would go about doing this, but to really do it proper, you would probably need two ddwrt routers on each end of the tunnel, and then you setup each one to use a ssh tunnel between eachother, which then translate that tunnel into the desired ports on the lan side of the router.

    So the router connects to the other router on a password protected encrypted SSH connection, and each router is configured to NAT the ssh data to a specific lan side IP address.
    This is some pretty deep networking, so I hope you want to learn... because you will need to.

    Again, I don't know if this is possible or easy, or exactly how to do it, but i think a secure tunnel configured between two routers is the way to go here.

    Bricking the wifi device isn't really a concern as its easy to recover them, the ISSUE that i would be concerned about is the ability to inject harmful code into the ParallaxWX device which would possible act like a relay for the attacker to gain access to your internal network using it as a relay. Because no password is used to upload firm ware, anyone with access to the interface of the Parallax-ESP device, this could be done pretty eaisly if they know the device and code.

    https://www.enterprisenetworkingplanet.com/netsp/article.php/3624566/Networking-101-Understanding-Tunneling.htm

    Perhaps someone here can point you to better instructional that will help you setup your connections.
    Again, this is easier to do with a router that can run DDWRT.

    I would go buy two identical routers and install them at each end, and them make a encrypted ssh tunnel between them which are setup to reroute my ParallaxESP's ports to the tunnel.
    Again, I have never done this .. yet...

    I am sure others here do exactly this with their own routers, and perhaps they will make post here and offer some advice.
  • Clock LoopClock Loop Posts: 2,069
    edited 2018-12-09 07:48
    Perhaps its possible to just simply encrypt the html pages them self ? (but the esp side needs the same ability to decrypt the page to read it too)
    The html is encrypted ALREADY, before uploading them to the ESP.

    The data would be sent to you encrypted, and then you would need to do local side decryption/re-encryption.

    https://www.maxlaumeister.com/clientside-html-password/


    I don't know if these will work, they use java, and I am not sure if its server side java, it says it client side java, so it might just work.

    https://jjssoftware.github.io/secure-your-esp8266/

    https://www.wikihow.com/Password-Protect-a-Web-Page

    https://www.mtopsoft.com/htmllock/iframe.htm



    I might try one of these methods myself, because I have wanted this also.

    WIFI, the internet WILL ALWAYS BE INSECURE!!!!
    NO, YOU SHOULDN'T ATTACH YOUR PACEMAKER TO THE INTERNET! Or YOUR NUKES, OR YOUR CAR, ETC.... 
    www.youtube.com/watch?v=Hkr60GE5yfY
    https://hackaday.com/2017/10/16/oh-great-wpa2-is-broken/

    A REAL POINT TO MAKE ABOUT OPENSOURCE, SECURITY, AND PARALLAX'S CHOICE TO REMAIN OPEN. 
    The youtube video above talks about insecurities that ARE updatable by you, think about all the companies that make wifi devices that aren't getting this update.
    Scary huh? Hey wifi product makers, its time, for opensource. YOU CANNOT KEEP UP ALONE. PERIOD.

    The Esspressif code for newer version is rarely integrated into these custom use firmware used on the esp devices.
    Opensource lets end users who are gifted enough to know how to grind this update...
    https://github.com/espressif/ESP8266_NONOS_SDK
    Into their 8266 devices custom code, it requires changing the source EVEN MORE than possibly just figuring out a way to implement https or encrypt the whole code/ server?

    Start using 
    HTTPS://
    https://www.eff.org/https-everywhere
  • Clock LoopClock Loop Posts: 2,069
    You probably can't find a better software front to a router than with DDWRT. So support them.

    You can go to their website and look at the list of supported routers.
    Attached image is the OPENVPN server/client page of the DDWRT router if it was running on your router.

    DDWRT-VPN.jpg
    815 x 1975 - 386K
  • Phil Pilgrim (PhiPi)Phil Pilgrim (PhiPi) Posts: 23,514
    Shawna,

    What would be wrong with interposing a minimalist Linux box running Apache between the web and your ESP8266? You could link to your device via a webpage on Apache, protected by an .htaccess file.

    -Phil
  • ShawnaShawna Posts: 508
    That is a lot of good information guys, thanks, it will take me awhile to sift through it all.

    I recently bought an Asus router, I think it runs something comparable to DDWRT. I did manage to set up an openvpn server on it.

    Thanks
    Shwawn
  • ShawnaShawna Posts: 508
    So I looked at a bunch of the links above, and I think I am going to try and use this method that Clock Loop posted.

    https://maxlaumeister.com/clientside-html-password/

    I managed to modify the code so it doesn't have to go out to github for the .js files.
    I loaded a test page and the .js files to the WX module and it seems to work. I am not sure how secure this method is, but its good enough for me. There is nothing real special on my network.

    I am going to try and figure out how to open up the WX api pack and then apply this password method to all 4 setting html's on the WX Wifi module.

    thanks
    Shawn
  • ShawnaShawna Posts: 508
    OK,
    So I am struggling trying to find the software Espressif SDK and the GCC toolchain.

    Is this the right Espressif SDK?
    https://github.com/espressif/ESP8266_NONOS_SDK

    If so, it looks like it can only run on linux. Is that correct or am I missing something?


    I found this GCC Toolchain link. And I downloaded this file. esp8266-gcc5.2.0-r15.exe
    gnutoolchains.com/download/

    Is this the right GCC Toolchain?



    Thanks
    Shawn

  • Clock LoopClock Loop Posts: 2,069
    edited 2018-12-09 18:31
    Most instructions to compile are done on linux.
    I switched to linux because it was eaiser to do compiling and find solutions.

    What are you trying to do?
  • ShawnaShawna Posts: 508
    Clock Loop
    This is what I am in visioning.

    I want to modify the default html setting pages and add 2 .js files to the WX.

    I want to add the password protection to the html setting pages as outlined in the link you posted above.
    https://maxlaumeister.com/clientside-html-password/

    I think this should be doable, I just can't figure out where to find them in the "32420-Parallax-ESP-2016-11-02-1804-e.zip" file.

    So what I picture is that I need to open up the ota file with the sdk modify the files and recompile, but I have no idea where to start.

    I am not sure which SDK file to download or how to install it, and I am also not sure which Gcc Toolchain to download or how the two work together. This will be the first time i have messed with a sdk program.
  • David BetzDavid Betz Posts: 14,511
    Shawna wrote: »
    Clock Loop
    This is what I am in visioning.

    I want to modify the default html setting pages and add 2 .js files to the WX.

    I want to add the password protection to the html setting pages as outlined in the link you posted above.
    https://maxlaumeister.com/clientside-html-password/

    I think this should be doable, I just can't figure out where to find them in the "32420-Parallax-ESP-2016-11-02-1804-e.zip" file.

    So what I picture is that I need to open up the ota file with the sdk modify the files and recompile, but I have no idea where to start.

    I am not sure which SDK file to download or how to install it, and I am also not sure which Gcc Toolchain to download or how the two work together. This will be the first time i have messed with a sdk program.
    If you want to write new HTML and JavaScript to support a config page login, I'd be happy to work with Parallax to get it integrated into the standard code base. It is a feature they've asked for as well.

  • ShawnaShawna Posts: 508
    edited 2018-12-09 19:03
    David Betz wrote: »
    Shawna wrote: »
    Clock Loop
    This is what I am in visioning.

    I want to modify the default html setting pages and add 2 .js files to the WX.

    I want to add the password protection to the html setting pages as outlined in the link you posted above.
    https://maxlaumeister.com/clientside-html-password/

    I think this should be doable, I just can't figure out where to find them in the "32420-Parallax-ESP-2016-11-02-1804-e.zip" file.

    So what I picture is that I need to open up the ota file with the sdk modify the files and recompile, but I have no idea where to start.

    I am not sure which SDK file to download or how to install it, and I am also not sure which Gcc Toolchain to download or how the two work together. This will be the first time i have messed with a sdk program.
    If you want to write new HTML and JavaScript to support a config page login, I'd be happy to work with Parallax to get it integrated into the standard code base. It is a feature they've asked for as well.

    I personally think that a login should be added.

    At the same time though, must people may not need or want it, and I don't want to be a nag.

    I feel that I should be able to do this with a little guidance. I have the html code and the javascript code I want to add to it, if I could just figure out how to modify files and rebuild them.

    At this point it has kind of turned into an obsession, which has led down a rabbit trail away from what I was originally doing. LOL


    Edit: The code I have is not suitable for distribution, its kind of bastardized.

  • ShawnaShawna Posts: 508
    This Link may be a better place to start my quest.
    https://github.com/parallaxinc/Parallax-ESP
  • David BetzDavid Betz Posts: 14,511
    Shawna wrote: »
    David Betz wrote: »
    Shawna wrote: »
    Clock Loop
    This is what I am in visioning.

    I want to modify the default html setting pages and add 2 .js files to the WX.

    I want to add the password protection to the html setting pages as outlined in the link you posted above.
    https://maxlaumeister.com/clientside-html-password/

    I think this should be doable, I just can't figure out where to find them in the "32420-Parallax-ESP-2016-11-02-1804-e.zip" file.

    So what I picture is that I need to open up the ota file with the sdk modify the files and recompile, but I have no idea where to start.

    I am not sure which SDK file to download or how to install it, and I am also not sure which Gcc Toolchain to download or how the two work together. This will be the first time i have messed with a sdk program.
    If you want to write new HTML and JavaScript to support a config page login, I'd be happy to work with Parallax to get it integrated into the standard code base. It is a feature they've asked for as well.

    I personally think that a login should be added.

    At the same time though, must people may not need or want it, and I don't want to be a nag.

    I feel that I should be able to do this with a little guidance. I have the html code and the javascript code I want to add to it, if I could just figure out how to modify files and rebuild them.

    At this point it has kind of turned into an obsession, which has led down a rabbit trail away from what I was originally doing. LOL


    Edit: The code I have is not suitable for distribution, its kind of bastardized.
    Why can't we just add a "password" setting that bypasses the login if the password is blank?

  • Clock LoopClock Loop Posts: 2,069
    edited 2018-12-09 19:48
    Shawn, Since you are JUST getting started with the ParallaxESP.

    I HIGHLY suggest you start here: https://forums.parallax.com/discussion/comment/1452980/#Comment_1452980

    And follow the steps till you reach the point where you have modified the NAME of the wx device.

    Then you can edit the files in this location.---> /Parallax-ESP/html/
    All the ParallaxWX pages are in that folder.
    But you need to follow the instruction to get to that point, where you have the tool chain built and the files downloaded and you did a test compile.

    Then you can modify the html files to suit your needs.
    Make sure you have the ParallaxESP device ready to re-flash with a direct serial connection, because if you mess up the OTA upload page in your quest, you won't be able to fix the html using the ota page. That info is also farther down the thread also.
  • ShawnaShawna Posts: 508

    David Betz wrote: »
    Why can't we just add a "password" setting that bypasses the login if the password is blank?

    I'm sure that can be done, but I'm not that clever.

  • Clock LoopClock Loop Posts: 2,069
    edited 2018-12-09 19:50
    Shawna wrote: »
    David Betz wrote: »
    Why can't we just add a "password" setting that bypasses the login if the password is blank?

    I'm sure that can be done, but I'm not that clever.

    Even if David can do it and push the commit now, shawn, you would still need to know how to compile the chain and parallaxesp code.

    I think its a good idea David. (but don't commit the change, the Last 2 ParallaxESP commits broke the chain.)
    I'd give it a shot if you have any test code.
    I have the chain ready to go.
  • David BetzDavid Betz Posts: 14,511
    You don't need the ESP SDK just to play with the web pages. You can download new web pages using the existing firmware.
  • Clock LoopClock Loop Posts: 2,069
    David Betz wrote: »
    You don't need the ESP SDK just to play with the web pages. You can download new web pages using the existing firmware.

    Oh, I have never tried it using any other method.
  • ShawnaShawna Posts: 508
    How can I change the web pages without the ESP SDK? I thought the only place to add web pages was flash folder.
  • ShawnaShawna Posts: 508
    edited 2018-12-09 21:43
    The wx modules setting structure is like "Original ESP Settings HTML Pages" zip file.

    I want to change it to something like "Password ESP Settings HTML Pages" zip file.
    The password is in the folder under password.

    This is very crude, and the password cannot be changed without loading new html files, thats why I say it would not be good for distribution purposes. If I could figure out how to compile the chain I would try it.


    zip
    zip
    Original ESP Settings HTML Pages.zip
    8K
    zip
    zip
    Password ESP Settings HTML Pages.zip
    62K
  • ShawnaShawna Posts: 508
    Clock Loop
    I made it to the "make" section of your thread and got an error, I'm not sure what caused it any suggestions?
    nick@ubuntu:~/esp-open-sdk/Parallax-ESP$ make
VERSION v1.0 (2018-12-09 15:42:46 24-g5c340ae)
make[1]: Entering directory '/home/nick/esp-open-sdk/Parallax-ESP/libesphttpd'
CC espfs/espfs.c
make[1]: /home/nick/esp-open-sdk/xtensa-lx106-elf/binxtensa-lx106-elf-gcc: Command not found
make[1]: *** [Makefile:220: build/espfs/espfs.o] Error 127
make[1]: Leaving directory '/home/nick/esp-open-sdk/Parallax-ESP/libesphttpd'
make: *** [Makefile:230: libesphttpd] Error 2
nick@ubuntu:~/esp-open-sdk/Parallax-ESP$

  • Clock LoopClock Loop Posts: 2,069
    edited 2018-12-10 00:40
    Did you run this command?
    export XTENSA_TOOLS_ROOT=/home/nick/esp-open-sdk/xtensa-lx106-elf/bin/

    It looks like you forgot the / at the end. Run this again.
    This lets the ParallaxESP compilers SEE the xtensa toolkit.


    The output of the make should have been... 
    make[1]: /home/nick/esp-open-sdk/xtensa-lx106-elf/bin/xtensa-lx106-elf-gcc
  • ShawnaShawna Posts: 508
    Thanks Clock Loop,
    That solved the error.

    While reading through your thread again, I noticed that I did not do this portion.
    Is this required?
    Using the toolchain
Once you complete build process as described above, the toolchain (with the Xtensa HAL library) will be available in the xtensa-lx106-elf/ subdirectory. Add xtensa-lx106-elf/bin/ subdirectory to your PATH environment variable to execute xtensa-lx106-elf-gcc and other tools. At the end of build process, the exact command to set PATH correctly for your case will be output. You may want to save it, as you'll need the PATH set correctly each time you compile for Xtensa/ESP.
ESP8266 SDK will be installed in sdk/. If you chose the non-standalone SDK, run the compiler with the corresponding include and lib dir flags:

$ xtensa-lx106-elf-gcc -I$(THISDIR)/sdk/include -L$(THISDIR)/sdk/lib
The extra -I and -L flags are not needed when using the standalone SDK.

Subdirectory examples/ contains some example application(s) which can be built with esp-open-sdk. If you are interested in real-world, full-fledged, advanced example of a project built using esp-open-sdk, check https://github.com/micropython/micropython/tree/master/ports/esp8266.
  • Clock LoopClock Loop Posts: 2,069
    Shawna wrote: »
    Thanks Clock Loop,
    That solved the error.

    While reading through your thread again, I noticed that I did not do this portion.
    Is this required?
    Using the toolchain
Once you complete build process as described above, the toolchain (with the Xtensa HAL library) will be available in the xtensa-lx106-elf/ subdirectory. Add xtensa-lx106-elf/bin/ subdirectory to your PATH environment variable to execute xtensa-lx106-elf-gcc and other tools. At the end of build process, the exact command to set PATH correctly for your case will be output. You may want to save it, as you'll need the PATH set correctly each time you compile for Xtensa/ESP.
ESP8266 SDK will be installed in sdk/. If you chose the non-standalone SDK, run the compiler with the corresponding include and lib dir flags:

$ xtensa-lx106-elf-gcc -I$(THISDIR)/sdk/include -L$(THISDIR)/sdk/lib
The extra -I and -L flags are not needed when using the standalone SDK.

Subdirectory examples/ contains some example application(s) which can be built with esp-open-sdk. If you are interested in real-world, full-fledged, advanced example of a project built using esp-open-sdk, check https://github.com/micropython/micropython/tree/master/ports/esp8266.

    No, its extra information on what they say about the use of their tools. I was thinking of just removing it.
    But it helps advanced users get deeper.
  • ShawnaShawna Posts: 508
    I thought that was the case, I'm about ready to brick my module.
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