Re: [sleuthkit-developers] win32 live bugs?
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Re: [sleuthkit-developers] win32 live bugs?
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From: David C. <dav...@gm...> - 2008-07-29 05:02:18
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Sorry, accidentally sent that early.
mingw has gethostname AFAIK, this sample compiles for me:
#include <winsock2.h>
int main(void) {
char name[255];
gethostname(name, 1);
return 0;
}
compile with:
i586-mingw32msvc-gcc -o test.exe test.c -lws2_32
Dave
>
>
> On Wed, Jul 23, 2008 at 9:02 PM, Michael Cohen <scu...@gm...> wrote:
>> Forgot to reply to list first, so here is a retransmission:
>>
>> Hi Brian,
>> Its already there since you are using autoconf it can cross compile
>> for free. There are some tweaks you need to do to make sk itself
>> compile cleanly. I will summarise these here:
>>
>> 1) Have mingw installed on your linux box (apt-get install mingw32)
>> 2) Give configure the x compile flags:
>>
>> ./configure --host=i586-mingw32msvc
>>
>> 3) tsk_base.h specifically removes autoconf support on windows - which
>> defeats the whole purpose of having autoconf - so you need to make it
>> use it:
>>
>> #if defined(__MINGW32__) || (!defined(_WIN32) && !defined (__WIN32__))
>> #include "tsk/tsk_incs.h"
>> #endif
>>
>> 4) In tsk_os.h you need to tweak some things specific to mingw:
>>
>> The section in
>> #if defined(_WIN32) || defined (__WIN32__)
>> should be inserted into #ifndef __MINGW32__
>> should not be included because most of that stuff is msvc hacks.
>> Instead add the defines for mingw:
>>
>> #ifdef __MINGW32__
>> #define roundup(x, y) \
>> ( ( ((x)+((y) - 1)) / (y)) * (y) )
>>
>> #define HAVE_GETHOSTNAME
>> #include <windows.h>
>> int gethostname_mingw (char *, size_t);
>>
>> #define gethostname gethostname_mingw
>> #define strtok_r(a,b,c) strtok(a,b)
>> #define fseeko fseek
>> #define daddr_t int
>>
>> #endif
>>
>> The biggest problem is that windows does not have a gethostname
>> function, instead you need to put an implementation of it like:
>>
>> #ifdef __MINGW32__
>> int
>> gethostname_mingw (char *name, size_t len)
>> {
>> DWORD dlen = len;
>> return (GetComputerName (name, &dlen) ? 0 : -1);
>> }
>> #endif
>>
>> Into one of the .c files (maybe you can think of a better place to put it).
>>
>> 5) make -j2 will build everything
>>
>> Let me know if you have any problems
>>
>> Michael.
>>
>> On Wed, Jul 23, 2008 at 12:53 AM, Brian Carrier <ca...@sl...> wrote:
>>> Hi Michael,
>>>
>>> I received at least one inquery about mingw-gcc support. I haven't had a
>>> chance to look into it though. What would be required to add support for it
>>> into TSK?
>>>
>>> brian
>>>
>>> On Jul 21, 2008, at 8:47 PM, Michael Cohen wrote:
>>>
>>>> Brian,
>>>> Would there be any interest in sharing the gcc produced binaries
>>>> which can be easily cross compiled form the main source distribution.
>>>> These are static and dont use MFC at all and are very small - they use
>>>> mingw-gcc and run natively with no dlls required.
>>>>
>>>> Michael.
>>>>
>>>> On Tue, Jul 22, 2008 at 6:37 AM, Brian Carrier <ca...@sl...>
>>>> wrote:
>>>>>
>>>>> On Jul 21, 2008, at 4:20 PM, Darren Bilby wrote:
>>>>>
>>>>>> Thanks for taking a look at this, replies inline.
>>>>>>
>>>>>> Darren.
>>>>>>
>>>>>> On Mon, Jul 21, 2008 at 6:37 PM, Brian Carrier
>>>>>> <ca...@sl...> wrote:
>>>>>>>
>>>>>>> Ok, I'll add a variation of this in, but only if the path has the
>>>>>>> form of
>>>>>>> "\\.\?:" because I don't want random WRITE opens occurring for
>>>>>>> image files.
>>>>>>
>>>>>> Note that the FILE_SHARE_WRITE designation doesn't open the file for
>>>>>> writing, it designates how others should be able to access it, but
>>>>>> this seems sensible anyway.
>>>>>> http://msdn.microsoft.com/en-us/library/aa363874(VS.85).aspx
>>>>>> http://blogs.msdn.com/larryosterman/archive/2004/05/13/131263.aspx
>>>>>
>>>>> Ahh, even better. I had forgotten what each of the arguments to
>>>>> CreateFile meant.
>>>>>
>>>>>
>>>>>>>
>>>>>>>> 3. When recompiling with VS 2005 i get some errors on execution on
>>>>>>>> some hosts due to wrong versions of the msvc libs. Is there any
>>>>>>>> reason
>>>>>>>> we don't compile these libs in statically by default? given the
>>>>>>>> use of
>>>>>>>> these binaries it seems sensible and it only marginally affects the
>>>>>>>> size.
>>>>>>>
>>>>>>> Can you compile them in statically? I didn't think you could.
>>>>>>
>>>>>> I figured it should be possible so went looking and found "Use of
>>>>>> MFC" under:
>>>>>> Project Properties -> Configuration Properties -> General -> Use of
>>>>>> MFC
>>>>>> Setting that to "Use MFC in a Static Library" for each sleuthkit
>>>>>> project and recompiling it appears to work perfectly.
>>>>>> Searching after the fact I found:
>>>>>> http://msdn.microsoft.com/en-us/library/ms235264(VS.80).aspx
>>>>>> http://msdn.microsoft.com/en-us/library/ms235316(VS.80).aspx
>>>>>> Which advises against it, but I don't see any of the downsides being
>>>>>> applicable in this instance.
>>>>>> I did this under VC++ Express 2k8, but seems like it should work on
>>>>>> any VS.
>>>>>
>>>>> If there is a large desire to do this, I will consider it more, but
>>>>> if you are building your own executables then you probably should be
>>>>> using the MFC dlls from your compiler and not using the ones that I
>>>>> ship with the pre-built executables (which could be a different
>>>>> version).
>>>>>
>>>>> thanks,
>>>>> brian
>>>>>
>>>>>
>>>>>
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>>>
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