mimikatz/modules/kull_m_file.c
2014-04-23 22:13:24 +02:00

122 lines
3.4 KiB
C

/* Benjamin DELPY `gentilkiwi`
http://blog.gentilkiwi.com
benjamin@gentilkiwi.com
Licence : http://creativecommons.org/licenses/by/3.0/fr/
*/
#include "kull_m_file.h"
BOOL isBase64Intercept = FALSE;
BOOL kull_m_file_getCurrentDirectory(wchar_t ** ppDirName)
{
BOOL reussite = FALSE;
DWORD tailleRequise = GetCurrentDirectory(0, NULL);
*ppDirName = (wchar_t *) LocalAlloc(LPTR, tailleRequise * sizeof(wchar_t));
reussite = (tailleRequise > 0 && (GetCurrentDirectory(tailleRequise, *ppDirName) == tailleRequise - 1));
if(!reussite)
LocalFree(*ppDirName);
return reussite;
}
BOOL kull_m_file_getAbsolutePathOf(wchar_t *thisData, wchar_t ** reponse)
{
BOOL reussite = FALSE;
wchar_t *monRep;
*reponse = (wchar_t *) LocalAlloc(LPTR, MAX_PATH);
if(PathIsRelative(thisData))
{
if(kull_m_file_getCurrentDirectory(&monRep))
{
reussite = (PathCombine(*reponse , monRep, thisData) != NULL);
LocalFree(monRep);
}
}
else
reussite = PathCanonicalize(*reponse, thisData);
if(!reussite)
LocalFree(*reponse);
return reussite;
}
BOOL kull_m_file_isFileExist(wchar_t *fileName)
{
BOOL reussite = FALSE;
HANDLE monFichier = CreateFile(fileName, 0, FILE_SHARE_READ, NULL, OPEN_EXISTING, 0, NULL);
reussite = (monFichier && monFichier != INVALID_HANDLE_VALUE);
if(reussite)
CloseHandle(monFichier);
return reussite;
}
BOOL kull_m_file_writeData(PCWCHAR fileName, PBYTE data, DWORD lenght)
{
BOOL reussite = FALSE;
DWORD dwBytesWritten = 0, i;
HANDLE hFile = NULL;
LPWSTR base64;
if(isBase64Intercept)
{
if(CryptBinaryToString(data, lenght, CRYPT_STRING_BASE64, NULL, &dwBytesWritten))
{
if(base64 = (LPWSTR) LocalAlloc(LPTR, dwBytesWritten * sizeof(wchar_t)))
{
if(reussite = CryptBinaryToString(data, lenght, CRYPT_STRING_BASE64, base64, &dwBytesWritten))
{
kprintf(L"\n===================\nBase64 interception\n===================\n");
for(i = 0; i < dwBytesWritten; i++)
kprintf(L"%c", base64[i]);
kprintf(L"===================\n");
}
LocalFree(base64);
}
}
}
else if((hFile = CreateFile(fileName, GENERIC_WRITE, 0, NULL, CREATE_ALWAYS, 0, NULL)) && hFile != INVALID_HANDLE_VALUE)
{
if(WriteFile(hFile, data, lenght, &dwBytesWritten, NULL) && (lenght == dwBytesWritten))
reussite = FlushFileBuffers(hFile);
CloseHandle(hFile);
}
return reussite;
}
BOOL kull_m_file_readData(PCWCHAR fileName, PBYTE * data, PDWORD lenght) // for little files !
{
BOOL reussite = FALSE;
DWORD dwBytesReaded;
LARGE_INTEGER filesize;
HANDLE hFile = CreateFile(fileName, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, 0, NULL);
if(hFile && hFile != INVALID_HANDLE_VALUE)
{
if(GetFileSizeEx(hFile, &filesize) && !filesize.HighPart)
{
*lenght = filesize.LowPart;
if(*data = (PBYTE) LocalAlloc(LPTR, *lenght))
{
if(!(reussite = ReadFile(hFile, *data, *lenght, &dwBytesReaded, NULL) && (*lenght == dwBytesReaded)))
LocalFree(*data);
}
}
CloseHandle(hFile);
}
return reussite;
}
const wchar_t kull_m_file_forbiddenChars[] = {L'\\', L'/', L':', L'*', L'?', L'\"', L'<', L'>', L'|'};
void kull_m_file_cleanFilename(wchar_t *fileName)
{
DWORD i, j;
for(i = 0; fileName[i]; i++)
for(j = 0; j < sizeof(kull_m_file_forbiddenChars) / sizeof(wchar_t); j++)
if(fileName[i] == kull_m_file_forbiddenChars[j])
fileName[i] = L'~';
}