Enabling a backdoor on reboot

Discussion in 'TiVo Underground' started by TubaMan-Z, Jan 9, 2006.

  1. TubaMan-Z

    TubaMan-Z Love good tuba

    Apr 7, 2004
    Mantorville, MN


    A long time ago in a life far, far away I was a pretty decent programmer (before I went to the dark side and became a manager....). Now that I've had the pleasure of Zippering two of my DTivos (thanks again Gunny and Russ), I'd like to poke a little further. Specifically, I've come to appreciate the backdoor that enables the short program info (Thumbs up/down/up/7/8). This however gets reset (turned off) with the now scheduled reboot. I'm not specifically asking for details on HOW to do it, but rather a pointer (or appropriate Google search terms would be OK too :) ) to info to read and educate myself. I've learned a bit from the enhancement script and various config files and now Linux (my background is DOS/Windows, but I've also worked with OS/2, AS/400, and AIX. Anyone guess where I work?)

  2. the new guy

    the new guy occasional poster

    Oct 29, 2004
    Fort Collins CO
    As far as I know, the only way to enable a backdoor code on reboot in 6.x is to modify tivoapp. Older versions could probably be done with a sendkey-type script called from the .author file, but that functionality is not present in the newer versions of the software. The permanent 30-second skip is a good example of a modified tivoapp backdoor code.

    There are probably some relevant threads buried in DDB somewhere... I am not sure what search terms will be the best ones to find them, though.

  3. austin61

    austin61 New Member

    Jun 2, 2005
    I'd have to guess IBM in Rochester, MN.
  4. rbautch

    rbautch User

    Feb 5, 2004
    Chicago, IL
    If you don't have a phone line connected, you can also disable the reboots, if you choose. Edit the /enhancements/varhacks/spool/cron/crontabs/root file, and comment out the reboot commands.
  5. starbiker99

    starbiker99 1 Tivo 2 Tivo 3 Tivo

    Feb 4, 2005
    Parker, CO


    Thanks Rbautch I only have one Tivo connected to the phone line as a server so I will stop my other 2 from rebooting twice weekly. :)
  6. normr

    normr New Member

    Feb 16, 2007
    Is there somewhere I can send my Phillips DSR-708 to be modified so I can use the USB ports and and add some other features?
  7. jporter12

    jporter12 TiVo changed my life

    Mar 10, 2006
    Johnstown, Ohio
    Look around here, especially the zipper thread.

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