mirror of
https://github.com/reactos/wine.git
synced 2024-12-04 17:56:51 +00:00
317 lines
8.8 KiB
C
317 lines
8.8 KiB
C
/*
|
|
* IMAGEHLP library
|
|
*
|
|
* Copyright 1998 Patrik Stridvall
|
|
* Copyright 2003 Mike McCormack
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2.1 of the License, or (at your option) any later version.
|
|
*
|
|
* This library is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with this library; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
|
|
*/
|
|
|
|
#include <stdarg.h>
|
|
|
|
#include "windef.h"
|
|
#include "winbase.h"
|
|
#include "winerror.h"
|
|
#include "winternl.h"
|
|
#include "winnt.h"
|
|
#include "imagehlp.h"
|
|
#include "wine/debug.h"
|
|
|
|
WINE_DEFAULT_DEBUG_CHANNEL(imagehlp);
|
|
|
|
/*
|
|
* These functions are partially documented at:
|
|
* http://www.cs.auckland.ac.nz/~pgut001/pubs/authenticode.txt
|
|
*/
|
|
|
|
/***********************************************************************
|
|
* IMAGEHLP_GetSecurityDirOffset (INTERNAL)
|
|
*
|
|
* Read a file's PE header, and return the offset and size of the
|
|
* security directory.
|
|
*/
|
|
static BOOL IMAGEHLP_GetSecurityDirOffset( HANDLE handle,
|
|
DWORD *pdwOfs, DWORD *pdwSize )
|
|
{
|
|
IMAGE_DOS_HEADER dos_hdr;
|
|
IMAGE_NT_HEADERS nt_hdr;
|
|
DWORD count;
|
|
BOOL r;
|
|
IMAGE_DATA_DIRECTORY *sd;
|
|
|
|
TRACE("handle %p\n", handle );
|
|
|
|
/* read the DOS header */
|
|
count = SetFilePointer( handle, 0, NULL, FILE_BEGIN );
|
|
if( count == INVALID_SET_FILE_POINTER )
|
|
return FALSE;
|
|
count = 0;
|
|
r = ReadFile( handle, &dos_hdr, sizeof dos_hdr, &count, NULL );
|
|
if( !r )
|
|
return FALSE;
|
|
if( count != sizeof dos_hdr )
|
|
return FALSE;
|
|
|
|
/* read the PE header */
|
|
count = SetFilePointer( handle, dos_hdr.e_lfanew, NULL, FILE_BEGIN );
|
|
if( count == INVALID_SET_FILE_POINTER )
|
|
return FALSE;
|
|
count = 0;
|
|
r = ReadFile( handle, &nt_hdr, sizeof nt_hdr, &count, NULL );
|
|
if( !r )
|
|
return FALSE;
|
|
if( count != sizeof nt_hdr )
|
|
return FALSE;
|
|
|
|
sd = &nt_hdr.OptionalHeader.
|
|
DataDirectory[IMAGE_FILE_SECURITY_DIRECTORY];
|
|
|
|
TRACE("size = %x addr = %x\n", sd->Size, sd->VirtualAddress);
|
|
*pdwSize = sd->Size;
|
|
*pdwOfs = sd->VirtualAddress;
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* IMAGEHLP_GetCertificateOffset (INTERNAL)
|
|
*
|
|
* Read a file's PE header, and return the offset and size of the
|
|
* security directory.
|
|
*/
|
|
static BOOL IMAGEHLP_GetCertificateOffset( HANDLE handle, DWORD num,
|
|
DWORD *pdwOfs, DWORD *pdwSize )
|
|
{
|
|
DWORD size, count, offset, len, sd_VirtualAddr;
|
|
BOOL r;
|
|
|
|
r = IMAGEHLP_GetSecurityDirOffset( handle, &sd_VirtualAddr, &size );
|
|
if( !r )
|
|
return FALSE;
|
|
|
|
offset = 0;
|
|
/* take the n'th certificate */
|
|
while( 1 )
|
|
{
|
|
/* read the length of the current certificate */
|
|
count = SetFilePointer( handle, sd_VirtualAddr + offset,
|
|
NULL, FILE_BEGIN );
|
|
if( count == INVALID_SET_FILE_POINTER )
|
|
return FALSE;
|
|
r = ReadFile( handle, &len, sizeof len, &count, NULL );
|
|
if( !r )
|
|
return FALSE;
|
|
if( count != sizeof len )
|
|
return FALSE;
|
|
|
|
/* check the certificate is not too big or too small */
|
|
if( len < sizeof len )
|
|
return FALSE;
|
|
if( len > (size-offset) )
|
|
return FALSE;
|
|
if( !num-- )
|
|
break;
|
|
|
|
/* calculate the offset of the next certificate */
|
|
offset += len;
|
|
if( offset >= size )
|
|
return FALSE;
|
|
}
|
|
|
|
*pdwOfs = sd_VirtualAddr + offset;
|
|
*pdwSize = len;
|
|
|
|
TRACE("len = %x addr = %x\n", len, sd_VirtualAddr + offset);
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* ImageAddCertificate (IMAGEHLP.@)
|
|
*/
|
|
|
|
BOOL WINAPI ImageAddCertificate(
|
|
HANDLE FileHandle, LPWIN_CERTIFICATE Certificate, PDWORD Index)
|
|
{
|
|
FIXME("(%p, %p, %p): stub\n",
|
|
FileHandle, Certificate, Index
|
|
);
|
|
SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
|
|
return FALSE;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* ImageEnumerateCertificates (IMAGEHLP.@)
|
|
*/
|
|
BOOL WINAPI ImageEnumerateCertificates(
|
|
HANDLE handle, WORD TypeFilter, PDWORD CertificateCount,
|
|
PDWORD Indices, DWORD IndexCount)
|
|
{
|
|
DWORD size, count, offset, sd_VirtualAddr, index;
|
|
WIN_CERTIFICATE hdr;
|
|
const size_t cert_hdr_size = sizeof hdr - sizeof hdr.bCertificate;
|
|
BOOL r;
|
|
|
|
TRACE("%p %hd %p %p %d\n",
|
|
handle, TypeFilter, CertificateCount, Indices, IndexCount);
|
|
|
|
r = IMAGEHLP_GetSecurityDirOffset( handle, &sd_VirtualAddr, &size );
|
|
if( !r )
|
|
return FALSE;
|
|
|
|
offset = 0;
|
|
index = 0;
|
|
*CertificateCount = 0;
|
|
while( offset < size )
|
|
{
|
|
/* read the length of the current certificate */
|
|
count = SetFilePointer( handle, sd_VirtualAddr + offset,
|
|
NULL, FILE_BEGIN );
|
|
if( count == INVALID_SET_FILE_POINTER )
|
|
return FALSE;
|
|
r = ReadFile( handle, &hdr, cert_hdr_size, &count, NULL );
|
|
if( !r )
|
|
return FALSE;
|
|
if( count != cert_hdr_size )
|
|
return FALSE;
|
|
|
|
TRACE("Size = %08x id = %08hx\n",
|
|
hdr.dwLength, hdr.wCertificateType );
|
|
|
|
/* check the certificate is not too big or too small */
|
|
if( hdr.dwLength < cert_hdr_size )
|
|
return FALSE;
|
|
if( hdr.dwLength > (size-offset) )
|
|
return FALSE;
|
|
|
|
if( (TypeFilter == CERT_SECTION_TYPE_ANY) ||
|
|
(TypeFilter == hdr.wCertificateType) )
|
|
{
|
|
(*CertificateCount)++;
|
|
if(Indices && *CertificateCount <= IndexCount)
|
|
*Indices++ = index;
|
|
}
|
|
|
|
/* next certificate */
|
|
offset += hdr.dwLength;
|
|
index++;
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* ImageGetCertificateData (IMAGEHLP.@)
|
|
*
|
|
* FIXME: not sure that I'm dealing with the Index the right way
|
|
*/
|
|
BOOL WINAPI ImageGetCertificateData(
|
|
HANDLE handle, DWORD Index,
|
|
LPWIN_CERTIFICATE Certificate, PDWORD RequiredLength)
|
|
{
|
|
DWORD r, offset, ofs, size, count;
|
|
|
|
TRACE("%p %d %p %p\n", handle, Index, Certificate, RequiredLength);
|
|
|
|
if( !IMAGEHLP_GetCertificateOffset( handle, Index, &ofs, &size ) )
|
|
return FALSE;
|
|
|
|
if( !Certificate )
|
|
{
|
|
*RequiredLength = size;
|
|
return TRUE;
|
|
}
|
|
|
|
if( *RequiredLength < size )
|
|
{
|
|
*RequiredLength = size;
|
|
SetLastError( ERROR_INSUFFICIENT_BUFFER );
|
|
return FALSE;
|
|
}
|
|
|
|
*RequiredLength = size;
|
|
|
|
offset = SetFilePointer( handle, ofs, NULL, FILE_BEGIN );
|
|
if( offset == INVALID_SET_FILE_POINTER )
|
|
return FALSE;
|
|
|
|
r = ReadFile( handle, Certificate, size, &count, NULL );
|
|
if( !r )
|
|
return FALSE;
|
|
if( count != size )
|
|
return FALSE;
|
|
|
|
TRACE("OK\n");
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* ImageGetCertificateHeader (IMAGEHLP.@)
|
|
*/
|
|
BOOL WINAPI ImageGetCertificateHeader(
|
|
HANDLE handle, DWORD index, LPWIN_CERTIFICATE pCert)
|
|
{
|
|
DWORD r, offset, ofs, size, count;
|
|
const size_t cert_hdr_size = sizeof *pCert - sizeof pCert->bCertificate;
|
|
|
|
TRACE("%p %d %p\n", handle, index, pCert);
|
|
|
|
if( !IMAGEHLP_GetCertificateOffset( handle, index, &ofs, &size ) )
|
|
return FALSE;
|
|
|
|
if( size < cert_hdr_size )
|
|
return FALSE;
|
|
|
|
offset = SetFilePointer( handle, ofs, NULL, FILE_BEGIN );
|
|
if( offset == INVALID_SET_FILE_POINTER )
|
|
return FALSE;
|
|
|
|
r = ReadFile( handle, pCert, cert_hdr_size, &count, NULL );
|
|
if( !r )
|
|
return FALSE;
|
|
if( count != cert_hdr_size )
|
|
return FALSE;
|
|
|
|
TRACE("OK\n");
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* ImageGetDigestStream (IMAGEHLP.@)
|
|
*/
|
|
BOOL WINAPI ImageGetDigestStream(
|
|
HANDLE FileHandle, DWORD DigestLevel,
|
|
DIGEST_FUNCTION DigestFunction, DIGEST_HANDLE DigestHandle)
|
|
{
|
|
FIXME("(%p, %d, %p, %p): stub\n",
|
|
FileHandle, DigestLevel, DigestFunction, DigestHandle
|
|
);
|
|
SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
|
|
return FALSE;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* ImageRemoveCertificate (IMAGEHLP.@)
|
|
*/
|
|
BOOL WINAPI ImageRemoveCertificate(HANDLE FileHandle, DWORD Index)
|
|
{
|
|
FIXME("(%p, %d): stub\n", FileHandle, Index);
|
|
SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
|
|
return FALSE;
|
|
}
|