On 08/03/2016 04:35 PM, Marty Plummer wrote: > On 08/03/2016 04:01 PM, Andrey Utkin wrote: >> On Wed, Aug 03, 2016 at 03:26:39PM -0500, Marty Plummer wrote: >>> An understanable sentement, but its not just about me (though I actually own two >>> of the same dvr's). There is a large number, if reports are to be believed, of >>> more or less identical dvr systems with the same security holes and hard-coded >>> credentials, with no vendor firmware updates. In addition, I am also in possesion >>> of the chip vendor sdk with full source code for the kernel and modules and a >>> host of pertenant datasheets. My end goal is something along the line of openwrt >>> or lede for these systems in the interest of the community at large. >>> >>> I'm not averse to the concept of hard work, and while I'm very experienced when >>> it comes to kernel hacking I think I can manage well enough with relevant source >>> and examples, of which there is a large amount. >>> >>> One concern I have is dealing with devicetree, but I think I can manage. >>> >> >> That's intriguing. I'm interested to know what this model is and where >> it can be bought, and also to see all the sdk. BTW have you got sdk from >> manufacturer after asking for it, or otherwise? Are manufacturers keen >> to answer technical questions? >> > The particular device in question was sold by an american company called > Night Owl (nightowlsp.com) and is the zeus-dvr5/10 (otherwise identical > except for the installed hdd size). The main board bears the markings > "rs-dm-77a" and the main webserver type binary is called 'raysharp_dvr', > and only operates in IE using activex and reduced security settings. > > I'm not certain if you can outright buy it new anymore, as it is very > old and out of warranty, but a million new clones pop up each day, all > based on the same hi35xx chipset (mine is hi3520 in particular). > > I've uploaded most of the source files to https://github.com/Hi-Spy/hi3520 > with exception to the PDFs and binary blobs. The sdk is based around > kernel version 2.6.24, so it's quite old, but only has around 10k lines > of diff files between it and stock. > > No, I was in communication with a few people with @hisilicon.com emails > that I managed to find on the kernel mailing list (see arch/arm/mach-hisi) > who eventually pointed me at mobile@xxxxxxxxxx, but I've yet to recieve > a response. In the meanwhile I was trawling the chinese internet for > data, and managed to come across someone selling it for 5yuan, which is > too cheap to pass up. I don't know how cooperative they are going to be, > considering they've been using linux, u-boot, and a host of other GPL'd > software without mention or license for at least 5 years, the release > date of my particular SoC. > > > Ah crap. I meant to include a 'not' or 'in' in the "While I'm very experienced" sentence. Brain not working.
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