Ros-dev September 2005

ros-dev@reactos.org

67 participants
129 discussions

lib/netapi32/access.c and friends
by Luke Kenneth Casson Leighton 10 Sep '05

10 Sep '05

these are standard smbclient-related and/or rpcclient-related functions. NetUserGetInfo grabs the information from a NET_USER_INFO_3 structure which is "cached" from the MSV1_0.DLL access token for example (it's a really long story). NetShareEnum() is a LANMAN function, whoopeee what fun. in nt, there are _stacks_ of functions that tie pretty much directly into samba source code. l. -- -- <a href="http://lkcl.net">http://lkcl.net</a> --

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subauth.h
by Luke Kenneth Casson Leighton 10 Sep '05

10 Sep '05

oh maaan, that's really sad: i know what the stuff in subauth.h is all about, aaaaagh! it is incredibly similar to the MSRPC "NETLOGON" stuff that's implemented in cli_nt_login_interactive, cli_nt_login_network and cli_nt_login_generic in rpc_client/cli_login.c joy. l. -- -- <a href="http://lkcl.net">http://lkcl.net</a> --

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SSPI stuff... not ... _entirely_ relevant to MSV1_0.DLL but hey...
by Luke Kenneth Casson Leighton 10 Sep '05

10 Sep '05

http://win32.mvps.org/security/sspi.html this is getting really obscure... -- -- <a href="http://lkcl.net">http://lkcl.net</a> --

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mooore MSV1_0.DLL
by Luke Kenneth Casson Leighton 10 Sep '05

10 Sep '05

http://computer.programming-in.net/articles/dll-api.aspx?dll=msv1_0 just some stuff about the export ordinals. l. -- -- <a href="http://lkcl.net">http://lkcl.net</a> --

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MSV1_0.DLL
by Luke Kenneth Casson Leighton 10 Sep '05

10 Sep '05

... anyone speak russian? http://www.void.ru/content/720 -- -- <a href="http://lkcl.net">http://lkcl.net</a> --

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LSASS and MSV1_0.DLL - more research
by Luke Kenneth Casson Leighton 10 Sep '05

10 Sep '05

lots of people appear to have done quite thorough amounts of digging into MSV1_0.DLL due to it being the key to security attacks and stuff e.g. http://www.security-protocols.com/whitepapers/NT/NTcred.txt the two that i have read so far describe how WINLOGON.EXE is a "user" of the LSASS system by doing a LsaLookupAuthenticationPackage call, in order to obtain, presumably, the vector-table which MSV1_0.DLL registers with the LSASS, and then once that vector-table is obtained, they then go on to describe how MSV1_0.DLL may be attacked, by describing in detail the data structures in it. how very convenient for actually implementing one :) l. -- -- <a href="http://lkcl.net">http://lkcl.net</a> --

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samba tng program compile status
by Luke Kenneth Casson Leighton 10 Sep '05

10 Sep '05

hi, thought people might want to know: rpcclient.exe already was confirmed as working (by elrond) i just successfully compiled and tested smbclient, that works too. rpcclient.exe produces a _beautiful_ blue screen, i fell about when i saw this. elrond has a patch for smbd which removes fork() and i want to try this out and also make the msrpc services do the same thing, that will be fuuun. the sooner someone gets freedce to compile on mingw32 the damn better is all i can say there. i found some example code that uses NamedPipes i intend to add that in at both the client side and the server side and see what breaks, oo that will be fun i've never done nt named pipes programming before. l. -- -- <a href="http://lkcl.net">http://lkcl.net</a> --

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Re: SMSS & LSASS: Service Status
by Luke Kenneth Casson Leighton 10 Sep '05

10 Sep '05

regarding your offer to help with LSASS.... GREAT! because, coincidentally, this is exactly one of the areas required to tie in MSV1_0.DLL which will be a registererer with the LSASS, and MSV1_0.DLL is where all the nt authentication stuff happens. great, great. okay, here's something i found which describes the process, it looks pretty damn good: http://www.coresecurity.com/common/showdoc.php?idx=87&idxseccion=11 now, here's the bit that you _don't_ have to do: you do NOT have to do _any_ of the bits _behind_ "access the sam database". all of that is already written for you - in samba tng. i've had a _brief_ look at the implementation of lsass in reactos, and i believe it to be pretty good. it's just that there are no "registerers" e.g. there is no implementation of MSV1_0.DLL. l. -- -- <a href="http://lkcl.net">http://lkcl.net</a> --

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Can someone send me the MS sound blaster driver example code?
by Andrew "Silver Blade" Greenwood 09 Sep '05

09 Sep '05

Someone sent me this a while back, but I lost it. Basically I believe it was from a MS DDK, and it contained code for MMDRV.DLL and SNDBLST.SYS. At the time I was feeling lazy and just clumsily hacked in whatever I felt like, without any order to what I was doing. I want to have another stab at it, by reviewing the existing code, documenting it for my own understanding, and then writing my own solution. So if someone could send me those files, I'd appreciate it! -Andrew PS: The files in question were NOT obtained from the leaked Windows source code.

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Frequent commits?
by Reuben Perelman 09 Sep '05

09 Sep '05

Lately I've seen a lot of updates to svn. Is it just a lot of work being done, or is there some type of revert war?

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Ros-dev September 2005