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| Apic | Nite. | 03:29 |
|---|---|---|
| ShadowJK | Good night | 03:38 |
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| xavinux | Hi people, I have a Nokia N9 and would like to know how can helpin the project | 09:32 |
| xavinux | knowledge of Lynux packaging | 09:33 |
| xavinux | *Linux packaging | 09:33 |
| thedead1440 | xavinux: maybe ask in #harmattan? Rzr on that channel maintains a repo in which he does quite a lot of packaging from Debain's armel repos for the N9 | 09:35 |
| xavinux | ok thanks for your answer thedead | 09:38 |
| thedead1440 | np | 09:38 |
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| kerio | DocScrutinizer05: seriously, why didn't you guys ban "$a:Estel" too? | 18:16 |
| DocScrutinizer05 | kerio: eh? | 18:16 |
| kerio | oh nvm | 18:17 |
| kerio | i misread | 18:17 |
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| DocScrutinizer05 | on a sidenote: what do you think how many fingerprints a skilled chanop can still gather about a user and his IRC client, even when said user tries to hide his identity | 18:19 |
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| kerio | DocScrutinizer05: irrelevant - how many fingerprints can a skilled freenode ircop gather about a user who repeatedly ban-evades on an "official" channel? | 18:21 |
| DocScrutinizer05 | ;-P | 18:22 |
| kerio | at some point, you just report and wait for the k-line | 18:23 |
| DocScrutinizer05 | not that I'd care too much about such silly games as answering to self | 18:23 |
| RiD | wouldn't k-line be kind of useless, unless you wanted to ban the whole ISP? | 18:24 |
| DocScrutinizer05 | after all it sheds some light on psyche of the individula that does such weird games | 18:24 |
| DocScrutinizer05 | individual even | 18:24 |
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| RiD | wow, WinSCP and N900 are hating on me today | 18:57 |
| RiD | constantly disconnecting *sigh* | 18:57 |
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| eddyb | wl1251 firmware is a piece of cake (raw ARM image), but I've found out it mostly uses Thumb | 20:09 |
| eddyb | which is the reason I wasn't seeing too much ARM code in cmt-mcusw - they are using Thumb there, too | 20:10 |
| eddyb | I figured out part of the mcusw header, it's a u8 type; u8 length; u8 content[length]; kind of deal | 20:10 |
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| DocScrutinizer05 | you probably can "reuse" lots of general info found out for other BB5 phones' firmwares | 20:38 |
| DocScrutinizer05 | after all NOLO is just forwarding/sending a rather standard (kermit? zmodem?) BB% firmware image to cmt, since cmt is using same format for flashing new firmware, no matter which interface it comes in | 20:41 |
| DocScrutinizer05 | so cmt-mcusw is probably largely identical to the firmware image phoenix would flash directly to cmt via the testpoints under battery, and also mostly identical to other firmwares phonix would flash to other BB5 based phones via F-Bus | 20:42 |
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| DocScrutinizer05 | or USB | 20:43 |
| DocScrutinizer05 | but honestly it's a mostly useless futile effort, since cmt firmware is signed | 20:44 |
| DocScrutinizer05 | so you can't patch a single byte of it | 20:45 |
| DocScrutinizer05 | best you can hope for is to find easter-eggs | 20:45 |
| DocScrutinizer05 | or gain a better understanding of how ISI works | 20:46 |
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| kerio | DocScrutinizer05: best we can hope for is a way to exec() something else | 20:49 |
| eddyb | yeah, that's what I thought | 20:51 |
| eddyb | remote execution exploits | 20:51 |
| eddyb | so the sections make a bit more sense now: https://gist.github.com/eddyb/127da89b6daa631b7b21/raw/a7f34a843af2fc6ba67a978bcf0d363b0bb2b540/mcusw-sections | 20:51 |
| eddyb | first number is offset in file, a weird offset follows, then actual length | 20:52 |
| DocScrutinizer05 | no way to execute something in cmt | 20:54 |
| eddyb | you can send data and receive from it, right? | 20:55 |
| eddyb | that data has to be parsed | 20:55 |
| eddyb | one small buffer overflow bug that never showed up in production because the same guys wrote both communicating ends | 20:55 |
| DocScrutinizer05 | and then? | 20:56 |
| eddyb | and then you have remote code execution | 20:56 |
| DocScrutinizer05 | no you don't | 20:56 |
| eddyb | you can do at least ROPs | 20:56 |
| eddyb | s/s// | 20:57 |
| infobot | eddyb meant: you can do at leat ROPs | 20:57 |
| eddyb | lol | 20:57 |
| DocScrutinizer05 | afaik code on modem gets executed directly from NAND, you don't have any executable RAM areas | 20:57 |
| eddyb | DocScrutinizer05: ROP doesn't need executable RAM | 20:57 |
| eddyb | you craft a function-call-by-return that "happens" when the function exploited returns | 20:58 |
| eddyb | *function being exploited | 20:58 |
| DocScrutinizer05 | so what? | 20:58 |
| DocScrutinizer05 | execute what then? | 20:58 |
| eddyb | I'm not really sure, but it's close to being turing-complete | 20:59 |
| eddyb | you can start poking around | 20:59 |
| DocScrutinizer05 | nfc what you're talking about | 20:59 |
| DocScrutinizer05 | but you can't execute code that doesn't already exist on cmt | 20:59 |
| DocScrutinizer05 | for all I know | 20:59 |
| DocScrutinizer05 | not to mention you also got a physical separation of secure and non-secure hardware all over whole ARM SoC which BB5 actually is | 21:01 |
| DocScrutinizer05 | I don't know if BB5 firmware is using secure world of ARM | 21:02 |
| DocScrutinizer05 | you might be able to find a way to edit the cmt's filesystem, which is basically an area where config data gets stored. So you could unlock SIMlocked devices *maybe*, or ruin the TX or audio calibration. But that's it, really | 21:04 |
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| DocScrutinizer05 | afaik even IMEI is hardcoded and not in filesystem | 21:07 |
| DocScrutinizer05 | anyway, good luck | 21:12 |
| * DocScrutinizer05 idly wonders *what* code was worth getting executed on cmt, *if* there was a way to inject arbitrary code | 21:13 | |
| DocScrutinizer05 | except for changing IMEI and unlocking SIMlocked devices I can't figure a single useful hack | 21:14 |
| DocScrutinizer05 | RF scramblers can get built more easily and cheaper | 21:15 |
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| DocScrutinizer05 | and for eavesdropping other GSM devices near to you, you better use a modem with all of sourcecode available and easily tweakable, since for such usecase quite massive tweaks are needed | 21:16 |
| DocScrutinizer05 | afaik the wizards at osmocom-bb managed to turn a calypso-cmt based cellphone into a single-user BTS basically. Wouldn't even start to ponder if that's even possible for BB5-cmt | 21:20 |
| kerio | woah, that's neat | 21:20 |
| kerio | and... illegal? | 21:20 |
| DocScrutinizer05 | sure - LOL | 21:20 |
| DocScrutinizer05 | highly illegal... to operate such device | 21:20 |
| DocScrutinizer05 | OTA | 21:21 |
| kerio | it's legal to do so in a private place with your own equipment, i hope | 21:21 |
| DocScrutinizer05 | as long as you work with a dummy-load instead of an antenna | 21:22 |
| kerio | i'll swear i'll use a really tiny antenna! | 21:22 |
| kerio | s/'ll// | 21:22 |
| infobot | kerio meant: i swear i'll use a really tiny antenna! | 21:22 |
| eddyb | s/.//g | 21:23 |
| eccerr0r | fun with regexps | 21:26 |
| DocScrutinizer05 | she can't do regex | 21:26 |
| eccerr0r | darn. was about to try a backref to see if it would work :p | 21:26 |
| DocScrutinizer05 | s/.*can.*/noway/ | 21:27 |
| DocScrutinizer05 | s/can.t/noway/ | 21:27 |
| DocScrutinizer05 | s/can't/noway/ | 21:27 |
| infobot | DocScrutinizer05 meant: she noway do regex | 21:27 |
| kerio | eccerr0r: backticks to eval are also fun, with perl | 21:27 |
| DocScrutinizer05 | s/e/E/g | 21:28 |
| infobot | DocScrutinizer05 meant: shE can't do rEgEx | 21:28 |
| ZogG_laptop | that chan would be always alive :) | 21:28 |
| DocScrutinizer05 | s/x/x. All she knows is /g. And she has a timeout for the buffer of last regular post - after some minutes it gets discarded/ | 21:30 |
| eccerr0r | next is whether it's closer to perlre or sed regexps... | 21:30 |
| eccerr0r | (or other flavor...) | 21:30 |
| DocScrutinizer05 | s./g.\/g/ | 21:31 |
| DocScrutinizer05 | s./g.\/g. | 21:31 |
| DocScrutinizer05 | it's no regex | 21:31 |
| eddyb | http://www.youtube.com/watch?v=z9pD_UK6vGU | 21:32 |
| DocScrutinizer05 | it a simple string-substitute, with an extension to get /g working. And it won't accept *any* special chars, or any other delimiters than / | 21:32 |
| eccerr0r | that's no fun. | 21:32 |
| DocScrutinizer05 | which btw is really strange since iirc she's written in perl | 21:34 |
| eccerr0r | probably not a good idea to eval it anyway. it's tainted. | 21:35 |
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| kerio | oh really | 21:43 |
| kerio | it's "probably" a good idea to not eval remote input? | 21:43 |
| eddyb | str.replace(new RegExp(regex, flags), replace_with) | 21:45 |
| eddyb | if you don't care about \/ inside a replace pattern, then you can just split('/') and use the three parts | 21:46 |
| eddyb | eval for regexp sounds like waaay more trouble than it's worth | 21:47 |
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| NIN101 | Pali: ping | 21:55 |
| Pali | hi | 21:56 |
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| NIN101 | I'm preparing a new rescueos release and want to include the Wifi firmware now. I think you once send me a link regarding that, do you remember? | 21:57 |
| NIN101 | nevermind, finally found it in the logs | 21:59 |
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| kerio | yay | 22:01 |
| NIN101 | ok seems the licence in that tarball https://api.pub.meego.com/public/source/CE:Adaptation:N900/ti-wl1251-firmware/ti-wl1251-firmware_0.4.tar.bz2 does not say you will be nuked if you use it somewhere | 22:02 |
| NIN101 | and since nitroid has been shipping it for a while I guess there shouldn't be any problems.... | 22:02 |
| kerio | is it the same firmware, down to hashsum? | 22:02 |
| NIN101 | I'll check | 22:03 |
| NIN101 | yes it is | 22:06 |
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| NIN101 | I have completely recompiled everything to use uclibc | 22:12 |
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| NIN101 | saves tons of space etc. | 22:12 |
| eddyb | -Os and thumb? | 22:12 |
| freemangordon | -Os is a bad idea ;) | 22:13 |
| freemangordon | it saves some bytes, but performance-wise it is awful | 22:13 |
| eddyb | -O2 or -O3 then? | 22:14 |
| freemangordon | -O2 | 22:14 |
| NIN101 | I have used buildroot for that, tbh wasn't smart enough to check the options, should be rather irrelevant anyway for rescueOS... | 22:14 |
| freemangordon | -O3 enables -ftree-vectorize if -mfpu=neon is given | 22:15 |
| eddyb | I've seen -O3 turn a recursive fibonacci into a hundred or so instructions | 22:15 |
| NIN101 | but was -Os | 22:15 |
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| Pali | NIN101, I have modified rescueos to work on 3.5/3.8 kernels | 22:15 |
| freemangordon | and gcc auto-vectorizer sucks on ARM IMO | 22:15 |
| Pali | maybe you can include some patches | 22:15 |
| eddyb | like, it converts the recursive form into a loop of some sort, then it unrolls the loop | 22:16 |
| eddyb | freemangordon: you should use 4.8 then :) | 22:16 |
| freemangordon | eddyb: hehe. I'll wait zeq to build it for scratchbox first :) | 22:16 |
| NIN101 | Pali: hmm, I don't think a new kernel changes much for rescueOS, but what did you change? | 22:16 |
| Pali | some in init scripts | 22:17 |
| Pali | /etc/init.d/rcS | 22:17 |
| NIN101 | Pali: I'll create a git repo with all configs and scripts. | 22:17 |
| freemangordon | Pali: hi. I have a problem which might be related to your patches to audio policy. | 22:17 |
| NIN101 | you can make a pull request then, is this ok? | 22:17 |
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| Pali | NIN101, ok | 22:17 |
| Pali | freemangordon, where is problem? | 22:18 |
| Pali | in prolog? | 22:18 |
| freemangordon | Pali: volume is set to zero, with fmtx enabled and BT HF attached, after I end a phone call | 22:18 |
| freemangordon | Pali: But I am not sure if it is not HF itself, I lost my old one, this one is new. | 22:19 |
| freemangordon | Pali: I installed everything from cssu-devel :) | 22:19 |
| freemangordon | Pali: which package I should downgrade to verify where is the problem? | 22:19 |
| Pali | freemangordon, try to downgrade policy-settings-rx51 | 22:19 |
| freemangordon | Pali: ok, I will | 22:19 |
| Pali | this contains prolog file and alsaped config which was changed | 22:20 |
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| Pali | NIN101, my changes: add my userspace watchdog kicker (usefull for kernel with nowayout=1), handle power button (to turn off device), fix brightness sysfs (in 3.9 kernel it has same names as in maemo 2.6.28) | 22:22 |
| freemangordon | Pali: hmm, why CSSU-T and cssu-devel contain one and the same version? didn't you push a newer in -devel? | 22:23 |
| luf | freemangordon: as I remember it's one time (quiet old) fix | 22:24 |
| RiD | oh oh, 0bytes free in my phone | 22:24 |
| Pali | freemangordon, policy-settings-rx51 was compiled by cssuT by merlin1991 | 22:25 |
| Pali | downgrade to nokia version | 22:25 |
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| freemangordon | Pali: but then it couldn't be policy-settings-rx51 at fault | 22:25 |
| freemangordon | if it is in cssu-t since forever | 22:25 |
| RiD | no wonder winscp was showing errors | 22:26 |
| Pali | freemangordon, only that package was changed for audio policy | 22:26 |
| freemangordon | hmm, we had a bug then :( | 22:27 |
| freemangordon | however, I'll test with stock | 22:27 |
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| luf | freemangordon: fell free to create new bug (but first take a look in old bugs - I remember there is one with BT + jack) | 22:30 |
| NIN101 | Pali: cool. Will most likely include some of it in 1.1 (doing 1.0 now, and want to release it first) | 22:30 |
| freemangordon | luf: it was working fine with my old HF. just downgraded, will test for a while to see if it makes any difference | 22:31 |
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| freemangordon | luf: it is the same :( | 22:33 |
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| freemangordon | though i should find a wait to reliably reproduce it | 22:34 |
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| DocScrutinizer05 | NIN101: please consider that some users might want to modprobe somecruft.ko of injured system on rescueOS | 22:35 |
| DocScrutinizer05 | for example if /home was on $leete-new-fs.ko | 22:36 |
| DocScrutinizer05 | absolutely no stringent rationale why for a rescueOS you'd need bleeding-edge kernel | 22:37 |
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| NIN101 | so you mean it should run on maemo's 2.6.28? | 22:40 |
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| freemangordon | luf: hmm, that bug might be a PEBKAC :D | 22:40 |
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| luf | ~PEBKAC | 22:41 |
| infobot | PEBKAC: Problem Exists Between Keyboard And Chair. | 22:41 |
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| luf | freemangordon: I'm curious which "that" bug :D | 22:41 |
| freemangordon | luf: it seems I have accidentaly set volume in mplayer to zero | 22:41 |
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| luf | freemangordon: good for you ... | 22:42 |
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| freemangordon | will test for a while to see if that was the problem :) | 22:42 |
| luf | freemangordon: two days ago I reported problem in one repository while I wrongly excluded packages using *something* :D | 22:42 |
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| NIN101 | in any case, I simply can't be bothered to make it fly with 2.6.28 now. Whoever uses somecruft.ko can go into mass storage mode and mount his stuff on his computer. | 22:43 |
| freemangordon | luf: but hey, now you know what PEBKAC is :D | 22:43 |
| luf | freemangordon: I know such kind of "bugs" for very long time ;) But not in english ... | 22:45 |
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| eddyb | ok, wtf | 22:51 |
| eddyb | this is UTF-16 or UCS-2 or wchar_t | 22:51 |
| eddyb | but it doesn't make any sense | 22:51 |
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| eddyb | it's definitely not english | 22:51 |
| eddyb | for the sake of the logs, the madness starts at 0x00049010 in mcusw | 22:52 |
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| freemangordon | eddyb: IDA? | 22:59 |
| eddyb | nope | 23:00 |
| eddyb | radare2 | 23:00 |
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| eddyb | the DSP code is not ARM nor Thumb, so I won't bother | 23:00 |
| freemangordon | DSP? | 23:00 |
| eddyb | someone just told me IDA has some support for DSPs. but I won't try now | 23:01 |
| freemangordon | hmm, seems I am missing something, but what DSP has to do with cmt FW? | 23:02 |
| freemangordon | or it is not THAT DSP :) | 23:02 |
| freemangordon | C64x | 23:02 |
| eddyb | freemangordon: about a third of the firmware is code for some internal DSP | 23:03 |
| freemangordon | aah, ok, not THAT dsp then :D | 23:04 |
| * kerio would be hard pressed to find a fs driver for linux that's not in mainline | 23:06 | |
| kerio | and FUSE doesn't count | 23:06 |
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| DocScrutinizer05 | freemangordon: cmt DSP | 23:15 |
| DocScrutinizer05 | or probably rather "the radio stack" | 23:16 |
| freemangordon | DocScrutinizer05: yeah, got it. It is just that when I read DSP in the context of n900 I always think about C64x | 23:17 |
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| DocScrutinizer05 | freemangordon: eddybthinks since RE of cmt firmware is particularly difficult and particularly cumbersome, it must be particularly useful ;-D | 23:18 |
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| DocScrutinizer05 | I still haven't heard what purpose a RE'ed cmt firmware would serve | 23:19 |
| eddyb | DocScrutinizer05: hmm. do you think a RE'd wl1251 firmware would serve any purpose? | 23:21 |
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| Pali | kerio, reiser4? | 23:48 |
| Pali | eddyb, wl1251 FW does not have AP mode support | 23:49 |
| Pali | but wl1251 HW has some AP support... | 23:49 |
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| kerio | Pali: oh come on, nobody uses reiser4 | 23:53 |
| Pali | :D | 23:53 |
| Pali | kerio, or spadfs | 23:53 |
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| kerio | anyway, reiser4 isn't supported by kernel-power anyway | 23:55 |
| kerio | and neither is spadfs | 23:55 |
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| Flyser | kerio: tux3 | 23:56 |
| kerio | I WAS EXAGGERATING TO EXPLAIN MY POINT I WASN'T FACTUAL | 23:59 |
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