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msi: Implement MsiGetFileHash.

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Mike McCormack 2006-07-24 18:13:25 +09:00 committed by Alexandre Julliard
parent 6eb4bfe85f
commit e8a7587bdb
1 changed files with 66 additions and 4 deletions
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70
dlls/msi/msi.c
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@ -2102,14 +2102,66 @@ UINT WINAPI MsiReinstallFeatureA( LPCSTR szProduct, LPCSTR szFeature,
return rc;
}
typedef struct
{
unsigned int i[2];
unsigned int buf[4];
unsigned char in[64];
unsigned char digest[16];
} MD5_CTX;
extern VOID WINAPI MD5Init( MD5_CTX *);
extern VOID WINAPI MD5Update( MD5_CTX *, const unsigned char *, unsigned int );
extern VOID WINAPI MD5Final( MD5_CTX *);
/***********************************************************************
* MsiGetFileHashW [MSI.@]
*/
UINT WINAPI MsiGetFileHashW( LPCWSTR szFilePath, DWORD dwOptions,
PMSIFILEHASHINFO pHash )
{
FIXME("%s %08lx %p\n", debugstr_w(szFilePath), dwOptions, pHash );
return ERROR_CALL_NOT_IMPLEMENTED;
HANDLE handle, mapping;
void *p;
DWORD length;
UINT r = ERROR_FUNCTION_FAILED;
TRACE("%s %08lx %p\n", debugstr_w(szFilePath), dwOptions, pHash );
if (dwOptions)
return ERROR_INVALID_PARAMETER;
if (!pHash)
return ERROR_INVALID_PARAMETER;
if (pHash->dwFileHashInfoSize < sizeof *pHash)
return ERROR_INVALID_PARAMETER;
handle = CreateFileW( szFilePath, GENERIC_READ,
FILE_SHARE_READ | FILE_SHARE_DELETE, NULL, OPEN_EXISTING, 0, NULL );
if (handle == INVALID_HANDLE_VALUE)
return ERROR_FILE_NOT_FOUND;
length = GetFileSize( handle, NULL );
mapping = CreateFileMappingW( handle, NULL, PAGE_READONLY, 0, 0, NULL );
if (mapping)
{
p = MapViewOfFile( mapping, FILE_MAP_READ, 0, 0, length );
if (p)
{
MD5_CTX ctx;
MD5Init( &ctx );
MD5Update( &ctx, p, length );
MD5Final( &ctx );
UnmapViewOfFile( p );
memcpy( pHash->dwData, &ctx.digest, sizeof pHash->dwData );
r = ERROR_SUCCESS;
}
CloseHandle( mapping );
}
CloseHandle( handle );
return r;
}
/***********************************************************************
@ -2118,8 +2170,18 @@ UINT WINAPI MsiGetFileHashW( LPCWSTR szFilePath, DWORD dwOptions,
UINT WINAPI MsiGetFileHashA( LPCSTR szFilePath, DWORD dwOptions,
PMSIFILEHASHINFO pHash )
{
FIXME("%s %08lx %p\n", debugstr_a(szFilePath), dwOptions, pHash );
return ERROR_CALL_NOT_IMPLEMENTED;
LPWSTR file;
UINT r;
TRACE("%s %08lx %p\n", debugstr_a(szFilePath), dwOptions, pHash );
file = strdupAtoW( szFilePath );
if (szFilePath && !file)
return ERROR_OUTOFMEMORY;
r = MsiGetFileHashW( file, dwOptions, pHash );
msi_free( file );
return r;
}
/***********************************************************************