1409 lines
42 KiB
C
1409 lines
42 KiB
C
/*
|
|
* Modules
|
|
*
|
|
* Copyright 1995 Alexandre Julliard
|
|
*
|
|
* 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 "config.h"
|
|
#include "wine/port.h"
|
|
|
|
#include <fcntl.h>
|
|
#include <stdarg.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <sys/types.h>
|
|
#ifdef HAVE_UNISTD_H
|
|
# include <unistd.h>
|
|
#endif
|
|
#include "ntstatus.h"
|
|
#define WIN32_NO_STATUS
|
|
#include "winerror.h"
|
|
#include "windef.h"
|
|
#include "winbase.h"
|
|
#include "winternl.h"
|
|
#include "kernel_private.h"
|
|
#include "psapi.h"
|
|
|
|
#include "wine/exception.h"
|
|
#include "wine/debug.h"
|
|
#include "wine/unicode.h"
|
|
|
|
WINE_DEFAULT_DEBUG_CHANNEL(module);
|
|
|
|
#define NE_FFLAGS_LIBMODULE 0x8000
|
|
|
|
static WCHAR *dll_directory; /* extra path for SetDllDirectoryW */
|
|
|
|
static CRITICAL_SECTION dlldir_section;
|
|
static CRITICAL_SECTION_DEBUG critsect_debug =
|
|
{
|
|
0, 0, &dlldir_section,
|
|
{ &critsect_debug.ProcessLocksList, &critsect_debug.ProcessLocksList },
|
|
0, 0, { (DWORD_PTR)(__FILE__ ": dlldir_section") }
|
|
};
|
|
static CRITICAL_SECTION dlldir_section = { &critsect_debug, -1, 0, 0, 0, 0 };
|
|
|
|
|
|
/****************************************************************************
|
|
* GetDllDirectoryA (KERNEL32.@)
|
|
*/
|
|
DWORD WINAPI GetDllDirectoryA( DWORD buf_len, LPSTR buffer )
|
|
{
|
|
DWORD len;
|
|
|
|
RtlEnterCriticalSection( &dlldir_section );
|
|
len = dll_directory ? FILE_name_WtoA( dll_directory, strlenW(dll_directory), NULL, 0 ) : 0;
|
|
if (buffer && buf_len > len)
|
|
{
|
|
if (dll_directory) FILE_name_WtoA( dll_directory, -1, buffer, buf_len );
|
|
else *buffer = 0;
|
|
}
|
|
else
|
|
{
|
|
len++; /* for terminating null */
|
|
if (buffer) *buffer = 0;
|
|
}
|
|
RtlLeaveCriticalSection( &dlldir_section );
|
|
return len;
|
|
}
|
|
|
|
|
|
/****************************************************************************
|
|
* GetDllDirectoryW (KERNEL32.@)
|
|
*/
|
|
DWORD WINAPI GetDllDirectoryW( DWORD buf_len, LPWSTR buffer )
|
|
{
|
|
DWORD len;
|
|
|
|
RtlEnterCriticalSection( &dlldir_section );
|
|
len = dll_directory ? strlenW( dll_directory ) : 0;
|
|
if (buffer && buf_len > len)
|
|
{
|
|
if (dll_directory) memcpy( buffer, dll_directory, (len + 1) * sizeof(WCHAR) );
|
|
else *buffer = 0;
|
|
}
|
|
else
|
|
{
|
|
len++; /* for terminating null */
|
|
if (buffer) *buffer = 0;
|
|
}
|
|
RtlLeaveCriticalSection( &dlldir_section );
|
|
return len;
|
|
}
|
|
|
|
|
|
/****************************************************************************
|
|
* SetDllDirectoryA (KERNEL32.@)
|
|
*/
|
|
BOOL WINAPI SetDllDirectoryA( LPCSTR dir )
|
|
{
|
|
WCHAR *dirW;
|
|
BOOL ret;
|
|
|
|
if (!(dirW = FILE_name_AtoW( dir, TRUE ))) return FALSE;
|
|
ret = SetDllDirectoryW( dirW );
|
|
HeapFree( GetProcessHeap(), 0, dirW );
|
|
return ret;
|
|
}
|
|
|
|
|
|
/****************************************************************************
|
|
* SetDllDirectoryW (KERNEL32.@)
|
|
*/
|
|
BOOL WINAPI SetDllDirectoryW( LPCWSTR dir )
|
|
{
|
|
WCHAR *newdir = NULL;
|
|
|
|
if (dir)
|
|
{
|
|
DWORD len = (strlenW(dir) + 1) * sizeof(WCHAR);
|
|
if (!(newdir = HeapAlloc( GetProcessHeap(), 0, len )))
|
|
{
|
|
SetLastError( ERROR_NOT_ENOUGH_MEMORY );
|
|
return FALSE;
|
|
}
|
|
memcpy( newdir, dir, len );
|
|
}
|
|
|
|
RtlEnterCriticalSection( &dlldir_section );
|
|
HeapFree( GetProcessHeap(), 0, dll_directory );
|
|
dll_directory = newdir;
|
|
RtlLeaveCriticalSection( &dlldir_section );
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
/****************************************************************************
|
|
* DisableThreadLibraryCalls (KERNEL32.@)
|
|
*
|
|
* Inform the module loader that thread notifications are not required for a dll.
|
|
*
|
|
* PARAMS
|
|
* hModule [I] Module handle to skip calls for
|
|
*
|
|
* RETURNS
|
|
* Success: TRUE. Thread attach and detach notifications will not be sent
|
|
* to hModule.
|
|
* Failure: FALSE. Use GetLastError() to determine the cause.
|
|
*
|
|
* NOTES
|
|
* This is typically called from the dll entry point of a dll during process
|
|
* attachment, for dlls that do not need to process thread notifications.
|
|
*/
|
|
BOOL WINAPI DisableThreadLibraryCalls( HMODULE hModule )
|
|
{
|
|
NTSTATUS nts = LdrDisableThreadCalloutsForDll( hModule );
|
|
if (nts == STATUS_SUCCESS) return TRUE;
|
|
|
|
SetLastError( RtlNtStatusToDosError( nts ) );
|
|
return FALSE;
|
|
}
|
|
|
|
|
|
/* Check whether a file is an OS/2 or a very old Windows executable
|
|
* by testing on import of KERNEL.
|
|
*
|
|
* FIXME: is reading the module imports the only way of discerning
|
|
* old Windows binaries from OS/2 ones ? At least it seems so...
|
|
*/
|
|
static DWORD MODULE_Decide_OS2_OldWin(HANDLE hfile, const IMAGE_DOS_HEADER *mz, const IMAGE_OS2_HEADER *ne)
|
|
{
|
|
DWORD currpos = SetFilePointer( hfile, 0, NULL, SEEK_CUR);
|
|
DWORD ret = BINARY_OS216;
|
|
LPWORD modtab = NULL;
|
|
LPSTR nametab = NULL;
|
|
DWORD len;
|
|
int i;
|
|
|
|
/* read modref table */
|
|
if ( (SetFilePointer( hfile, mz->e_lfanew + ne->ne_modtab, NULL, SEEK_SET ) == -1)
|
|
|| (!(modtab = HeapAlloc( GetProcessHeap(), 0, ne->ne_cmod*sizeof(WORD))))
|
|
|| (!(ReadFile(hfile, modtab, ne->ne_cmod*sizeof(WORD), &len, NULL)))
|
|
|| (len != ne->ne_cmod*sizeof(WORD)) )
|
|
goto broken;
|
|
|
|
/* read imported names table */
|
|
if ( (SetFilePointer( hfile, mz->e_lfanew + ne->ne_imptab, NULL, SEEK_SET ) == -1)
|
|
|| (!(nametab = HeapAlloc( GetProcessHeap(), 0, ne->ne_enttab - ne->ne_imptab)))
|
|
|| (!(ReadFile(hfile, nametab, ne->ne_enttab - ne->ne_imptab, &len, NULL)))
|
|
|| (len != ne->ne_enttab - ne->ne_imptab) )
|
|
goto broken;
|
|
|
|
for (i=0; i < ne->ne_cmod; i++)
|
|
{
|
|
LPSTR module = &nametab[modtab[i]];
|
|
TRACE("modref: %.*s\n", module[0], &module[1]);
|
|
if (!(strncmp(&module[1], "KERNEL", module[0])))
|
|
{ /* very old Windows file */
|
|
MESSAGE("This seems to be a very old (pre-3.0) Windows executable. Expect crashes, especially if this is a real-mode binary !\n");
|
|
ret = BINARY_WIN16;
|
|
goto good;
|
|
}
|
|
}
|
|
|
|
broken:
|
|
ERR("Hmm, an error occurred. Is this binary file broken?\n");
|
|
|
|
good:
|
|
HeapFree( GetProcessHeap(), 0, modtab);
|
|
HeapFree( GetProcessHeap(), 0, nametab);
|
|
SetFilePointer( hfile, currpos, NULL, SEEK_SET); /* restore filepos */
|
|
return ret;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* MODULE_GetBinaryType
|
|
*/
|
|
void MODULE_get_binary_info( HANDLE hfile, struct binary_info *info )
|
|
{
|
|
union
|
|
{
|
|
struct
|
|
{
|
|
unsigned char magic[4];
|
|
unsigned char class;
|
|
unsigned char data;
|
|
unsigned char version;
|
|
unsigned char ignored[9];
|
|
unsigned short type;
|
|
unsigned short machine;
|
|
} elf;
|
|
struct
|
|
{
|
|
unsigned int magic;
|
|
unsigned int cputype;
|
|
unsigned int cpusubtype;
|
|
unsigned int filetype;
|
|
} macho;
|
|
IMAGE_DOS_HEADER mz;
|
|
} header;
|
|
|
|
DWORD len;
|
|
|
|
memset( info, 0, sizeof(*info) );
|
|
|
|
/* Seek to the start of the file and read the header information. */
|
|
if (SetFilePointer( hfile, 0, NULL, SEEK_SET ) == -1) return;
|
|
if (!ReadFile( hfile, &header, sizeof(header), &len, NULL ) || len != sizeof(header)) return;
|
|
|
|
if (!memcmp( header.elf.magic, "\177ELF", 4 ))
|
|
{
|
|
if (header.elf.class == 2) info->flags |= BINARY_FLAG_64BIT;
|
|
#ifdef WORDS_BIGENDIAN
|
|
if (header.elf.data == 1)
|
|
#else
|
|
if (header.elf.data == 2)
|
|
#endif
|
|
{
|
|
header.elf.type = RtlUshortByteSwap( header.elf.type );
|
|
header.elf.machine = RtlUshortByteSwap( header.elf.machine );
|
|
}
|
|
switch(header.elf.type)
|
|
{
|
|
case 2: info->type = BINARY_UNIX_EXE; break;
|
|
case 3: info->type = BINARY_UNIX_LIB; break;
|
|
}
|
|
switch(header.elf.machine)
|
|
{
|
|
case 3: info->arch = IMAGE_FILE_MACHINE_I386; break;
|
|
case 20: info->arch = IMAGE_FILE_MACHINE_POWERPC; break;
|
|
case 40: info->arch = IMAGE_FILE_MACHINE_ARMNT; break;
|
|
case 50: info->arch = IMAGE_FILE_MACHINE_IA64; break;
|
|
case 62: info->arch = IMAGE_FILE_MACHINE_AMD64; break;
|
|
case 183: info->arch = IMAGE_FILE_MACHINE_ARM64; break;
|
|
}
|
|
}
|
|
/* Mach-o File with Endian set to Big Endian or Little Endian */
|
|
else if (header.macho.magic == 0xfeedface || header.macho.magic == 0xcefaedfe)
|
|
{
|
|
if ((header.macho.cputype >> 24) == 1) info->flags |= BINARY_FLAG_64BIT;
|
|
if (header.macho.magic == 0xcefaedfe)
|
|
{
|
|
header.macho.filetype = RtlUlongByteSwap( header.macho.filetype );
|
|
header.macho.cputype = RtlUlongByteSwap( header.macho.cputype );
|
|
}
|
|
switch(header.macho.filetype)
|
|
{
|
|
case 2: info->type = BINARY_UNIX_EXE; break;
|
|
case 8: info->type = BINARY_UNIX_LIB; break;
|
|
}
|
|
switch(header.macho.cputype)
|
|
{
|
|
case 0x00000007: info->arch = IMAGE_FILE_MACHINE_I386; break;
|
|
case 0x01000007: info->arch = IMAGE_FILE_MACHINE_AMD64; break;
|
|
case 0x0000000c: info->arch = IMAGE_FILE_MACHINE_ARMNT; break;
|
|
case 0x0100000c: info->arch = IMAGE_FILE_MACHINE_ARM64; break;
|
|
case 0x00000012: info->arch = IMAGE_FILE_MACHINE_POWERPC; break;
|
|
}
|
|
}
|
|
/* Not ELF, try DOS */
|
|
else if (header.mz.e_magic == IMAGE_DOS_SIGNATURE)
|
|
{
|
|
union
|
|
{
|
|
IMAGE_OS2_HEADER os2;
|
|
IMAGE_NT_HEADERS32 nt;
|
|
} ext_header;
|
|
|
|
/* We do have a DOS image so we will now try to seek into
|
|
* the file by the amount indicated by the field
|
|
* "Offset to extended header" and read in the
|
|
* "magic" field information at that location.
|
|
* This will tell us if there is more header information
|
|
* to read or not.
|
|
*/
|
|
info->type = BINARY_DOS;
|
|
info->arch = IMAGE_FILE_MACHINE_I386;
|
|
if (SetFilePointer( hfile, header.mz.e_lfanew, NULL, SEEK_SET ) == -1) return;
|
|
if (!ReadFile( hfile, &ext_header, sizeof(ext_header), &len, NULL ) || len < 4) return;
|
|
|
|
/* Reading the magic field succeeded so
|
|
* we will try to determine what type it is.
|
|
*/
|
|
if (!memcmp( &ext_header.nt.Signature, "PE\0\0", 4 ))
|
|
{
|
|
if (len >= sizeof(ext_header.nt.FileHeader))
|
|
{
|
|
info->type = BINARY_PE;
|
|
info->arch = ext_header.nt.FileHeader.Machine;
|
|
if (ext_header.nt.FileHeader.Characteristics & IMAGE_FILE_DLL)
|
|
info->flags |= BINARY_FLAG_DLL;
|
|
if (len < sizeof(ext_header.nt)) /* clear remaining part of header if missing */
|
|
memset( (char *)&ext_header.nt + len, 0, sizeof(ext_header.nt) - len );
|
|
switch (ext_header.nt.OptionalHeader.Magic)
|
|
{
|
|
case IMAGE_NT_OPTIONAL_HDR32_MAGIC:
|
|
info->res_start = (void *)(ULONG_PTR)ext_header.nt.OptionalHeader.ImageBase;
|
|
info->res_end = (void *)((ULONG_PTR)ext_header.nt.OptionalHeader.ImageBase +
|
|
ext_header.nt.OptionalHeader.SizeOfImage);
|
|
break;
|
|
case IMAGE_NT_OPTIONAL_HDR64_MAGIC:
|
|
info->flags |= BINARY_FLAG_64BIT;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
else if (!memcmp( &ext_header.os2.ne_magic, "NE", 2 ))
|
|
{
|
|
/* This is a Windows executable (NE) header. This can
|
|
* mean either a 16-bit OS/2 or a 16-bit Windows or even a
|
|
* DOS program (running under a DOS extender). To decide
|
|
* which, we'll have to read the NE header.
|
|
*/
|
|
if (len >= sizeof(ext_header.os2))
|
|
{
|
|
if (ext_header.os2.ne_flags & NE_FFLAGS_LIBMODULE) info->flags |= BINARY_FLAG_DLL;
|
|
switch ( ext_header.os2.ne_exetyp )
|
|
{
|
|
case 1: info->type = BINARY_OS216; break; /* OS/2 */
|
|
case 2: info->type = BINARY_WIN16; break; /* Windows */
|
|
case 3: info->type = BINARY_DOS; break; /* European MS-DOS 4.x */
|
|
case 4: info->type = BINARY_WIN16; break; /* Windows 386; FIXME: is this 32bit??? */
|
|
case 5: info->type = BINARY_DOS; break; /* BOSS, Borland Operating System Services */
|
|
/* other types, e.g. 0 is: "unknown" */
|
|
default: info->type = MODULE_Decide_OS2_OldWin(hfile, &header.mz, &ext_header.os2); break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/***********************************************************************
|
|
* GetBinaryTypeW [KERNEL32.@]
|
|
*
|
|
* Determine whether a file is executable, and if so, what kind.
|
|
*
|
|
* PARAMS
|
|
* lpApplicationName [I] Path of the file to check
|
|
* lpBinaryType [O] Destination for the binary type
|
|
*
|
|
* RETURNS
|
|
* TRUE, if the file is an executable, in which case lpBinaryType is set.
|
|
* FALSE, if the file is not an executable or if the function fails.
|
|
*
|
|
* NOTES
|
|
* The type of executable is a property that determines which subsystem an
|
|
* executable file runs under. lpBinaryType can be set to one of the following
|
|
* values:
|
|
* SCS_32BIT_BINARY: A Win32 based application
|
|
* SCS_64BIT_BINARY: A Win64 based application
|
|
* SCS_DOS_BINARY: An MS-Dos based application
|
|
* SCS_WOW_BINARY: A Win16 based application
|
|
* SCS_PIF_BINARY: A PIF file that executes an MS-Dos based app
|
|
* SCS_POSIX_BINARY: A POSIX based application ( Not implemented )
|
|
* SCS_OS216_BINARY: A 16bit OS/2 based application
|
|
*
|
|
* To find the binary type, this function reads in the files header information.
|
|
* If extended header information is not present it will assume that the file
|
|
* is a DOS executable. If extended header information is present it will
|
|
* determine if the file is a 16, 32 or 64 bit Windows executable by checking the
|
|
* flags in the header.
|
|
*
|
|
* ".com" and ".pif" files are only recognized by their file name extension,
|
|
* as per native Windows.
|
|
*/
|
|
BOOL WINAPI GetBinaryTypeW( LPCWSTR lpApplicationName, LPDWORD lpBinaryType )
|
|
{
|
|
BOOL ret = FALSE;
|
|
HANDLE hfile;
|
|
struct binary_info binary_info;
|
|
|
|
TRACE("%s\n", debugstr_w(lpApplicationName) );
|
|
|
|
/* Sanity check.
|
|
*/
|
|
if ( lpApplicationName == NULL || lpBinaryType == NULL )
|
|
return FALSE;
|
|
|
|
/* Open the file indicated by lpApplicationName for reading.
|
|
*/
|
|
hfile = CreateFileW( lpApplicationName, GENERIC_READ, FILE_SHARE_READ,
|
|
NULL, OPEN_EXISTING, 0, 0 );
|
|
if ( hfile == INVALID_HANDLE_VALUE )
|
|
return FALSE;
|
|
|
|
/* Check binary type
|
|
*/
|
|
MODULE_get_binary_info( hfile, &binary_info );
|
|
switch (binary_info.type)
|
|
{
|
|
case BINARY_UNKNOWN:
|
|
{
|
|
static const WCHAR comW[] = { '.','C','O','M',0 };
|
|
static const WCHAR pifW[] = { '.','P','I','F',0 };
|
|
const WCHAR *ptr;
|
|
|
|
/* try to determine from file name */
|
|
ptr = strrchrW( lpApplicationName, '.' );
|
|
if (!ptr) break;
|
|
if (!strcmpiW( ptr, comW ))
|
|
{
|
|
*lpBinaryType = SCS_DOS_BINARY;
|
|
ret = TRUE;
|
|
}
|
|
else if (!strcmpiW( ptr, pifW ))
|
|
{
|
|
*lpBinaryType = SCS_PIF_BINARY;
|
|
ret = TRUE;
|
|
}
|
|
break;
|
|
}
|
|
case BINARY_PE:
|
|
*lpBinaryType = (binary_info.flags & BINARY_FLAG_64BIT) ? SCS_64BIT_BINARY : SCS_32BIT_BINARY;
|
|
ret = TRUE;
|
|
break;
|
|
case BINARY_WIN16:
|
|
*lpBinaryType = SCS_WOW_BINARY;
|
|
ret = TRUE;
|
|
break;
|
|
case BINARY_OS216:
|
|
*lpBinaryType = SCS_OS216_BINARY;
|
|
ret = TRUE;
|
|
break;
|
|
case BINARY_DOS:
|
|
*lpBinaryType = SCS_DOS_BINARY;
|
|
ret = TRUE;
|
|
break;
|
|
case BINARY_UNIX_EXE:
|
|
case BINARY_UNIX_LIB:
|
|
ret = FALSE;
|
|
break;
|
|
}
|
|
|
|
CloseHandle( hfile );
|
|
return ret;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* GetBinaryTypeA [KERNEL32.@]
|
|
* GetBinaryType [KERNEL32.@]
|
|
*
|
|
* See GetBinaryTypeW.
|
|
*/
|
|
BOOL WINAPI GetBinaryTypeA( LPCSTR lpApplicationName, LPDWORD lpBinaryType )
|
|
{
|
|
ANSI_STRING app_nameA;
|
|
NTSTATUS status;
|
|
|
|
TRACE("%s\n", debugstr_a(lpApplicationName));
|
|
|
|
/* Sanity check.
|
|
*/
|
|
if ( lpApplicationName == NULL || lpBinaryType == NULL )
|
|
return FALSE;
|
|
|
|
RtlInitAnsiString(&app_nameA, lpApplicationName);
|
|
status = RtlAnsiStringToUnicodeString(&NtCurrentTeb()->StaticUnicodeString,
|
|
&app_nameA, FALSE);
|
|
if (!status)
|
|
return GetBinaryTypeW(NtCurrentTeb()->StaticUnicodeString.Buffer, lpBinaryType);
|
|
|
|
SetLastError(RtlNtStatusToDosError(status));
|
|
return FALSE;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* GetModuleHandleExA (KERNEL32.@)
|
|
*/
|
|
BOOL WINAPI GetModuleHandleExA( DWORD flags, LPCSTR name, HMODULE *module )
|
|
{
|
|
WCHAR *nameW;
|
|
|
|
if (!name || (flags & GET_MODULE_HANDLE_EX_FLAG_FROM_ADDRESS))
|
|
return GetModuleHandleExW( flags, (LPCWSTR)name, module );
|
|
|
|
if (!(nameW = FILE_name_AtoW( name, FALSE ))) return FALSE;
|
|
return GetModuleHandleExW( flags, nameW, module );
|
|
}
|
|
|
|
/***********************************************************************
|
|
* GetModuleHandleExW (KERNEL32.@)
|
|
*/
|
|
BOOL WINAPI GetModuleHandleExW( DWORD flags, LPCWSTR name, HMODULE *module )
|
|
{
|
|
NTSTATUS status = STATUS_SUCCESS;
|
|
HMODULE ret;
|
|
ULONG_PTR magic;
|
|
BOOL lock;
|
|
|
|
if (!module)
|
|
{
|
|
SetLastError( ERROR_INVALID_PARAMETER );
|
|
return FALSE;
|
|
}
|
|
|
|
/* if we are messing with the refcount, grab the loader lock */
|
|
lock = (flags & GET_MODULE_HANDLE_EX_FLAG_PIN) || !(flags & GET_MODULE_HANDLE_EX_FLAG_UNCHANGED_REFCOUNT);
|
|
if (lock)
|
|
LdrLockLoaderLock( 0, NULL, &magic );
|
|
|
|
if (!name)
|
|
{
|
|
ret = NtCurrentTeb()->Peb->ImageBaseAddress;
|
|
}
|
|
else if (flags & GET_MODULE_HANDLE_EX_FLAG_FROM_ADDRESS)
|
|
{
|
|
void *dummy;
|
|
if (!(ret = RtlPcToFileHeader( (void *)name, &dummy ))) status = STATUS_DLL_NOT_FOUND;
|
|
}
|
|
else
|
|
{
|
|
UNICODE_STRING wstr;
|
|
RtlInitUnicodeString( &wstr, name );
|
|
status = LdrGetDllHandle( NULL, 0, &wstr, &ret );
|
|
}
|
|
|
|
if (status == STATUS_SUCCESS)
|
|
{
|
|
if (flags & GET_MODULE_HANDLE_EX_FLAG_PIN)
|
|
LdrAddRefDll( LDR_ADDREF_DLL_PIN, ret );
|
|
else if (!(flags & GET_MODULE_HANDLE_EX_FLAG_UNCHANGED_REFCOUNT))
|
|
LdrAddRefDll( 0, ret );
|
|
}
|
|
else SetLastError( RtlNtStatusToDosError( status ) );
|
|
|
|
if (lock)
|
|
LdrUnlockLoaderLock( 0, magic );
|
|
|
|
if (status == STATUS_SUCCESS) *module = ret;
|
|
else *module = NULL;
|
|
|
|
return (status == STATUS_SUCCESS);
|
|
}
|
|
|
|
/***********************************************************************
|
|
* GetModuleHandleA (KERNEL32.@)
|
|
*
|
|
* Get the handle of a dll loaded into the process address space.
|
|
*
|
|
* PARAMS
|
|
* module [I] Name of the dll
|
|
*
|
|
* RETURNS
|
|
* Success: A handle to the loaded dll.
|
|
* Failure: A NULL handle. Use GetLastError() to determine the cause.
|
|
*/
|
|
HMODULE WINAPI DECLSPEC_HOTPATCH GetModuleHandleA(LPCSTR module)
|
|
{
|
|
HMODULE ret;
|
|
|
|
GetModuleHandleExA( GET_MODULE_HANDLE_EX_FLAG_UNCHANGED_REFCOUNT, module, &ret );
|
|
return ret;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* GetModuleHandleW (KERNEL32.@)
|
|
*
|
|
* Unicode version of GetModuleHandleA.
|
|
*/
|
|
HMODULE WINAPI GetModuleHandleW(LPCWSTR module)
|
|
{
|
|
HMODULE ret;
|
|
|
|
GetModuleHandleExW( GET_MODULE_HANDLE_EX_FLAG_UNCHANGED_REFCOUNT, module, &ret );
|
|
return ret;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* GetModuleFileNameA (KERNEL32.@)
|
|
*
|
|
* Get the file name of a loaded module from its handle.
|
|
*
|
|
* RETURNS
|
|
* Success: The length of the file name, excluding the terminating NUL.
|
|
* Failure: 0. Use GetLastError() to determine the cause.
|
|
*
|
|
* NOTES
|
|
* This function always returns the long path of hModule
|
|
* The function doesn't write a terminating '\0' if the buffer is too
|
|
* small.
|
|
*/
|
|
DWORD WINAPI GetModuleFileNameA(
|
|
HMODULE hModule, /* [in] Module handle (32 bit) */
|
|
LPSTR lpFileName, /* [out] Destination for file name */
|
|
DWORD size ) /* [in] Size of lpFileName in characters */
|
|
{
|
|
LPWSTR filenameW = HeapAlloc( GetProcessHeap(), 0, size * sizeof(WCHAR) );
|
|
DWORD len;
|
|
|
|
if (!filenameW)
|
|
{
|
|
SetLastError( ERROR_NOT_ENOUGH_MEMORY );
|
|
return 0;
|
|
}
|
|
if ((len = GetModuleFileNameW( hModule, filenameW, size )))
|
|
{
|
|
len = FILE_name_WtoA( filenameW, len, lpFileName, size );
|
|
if (len < size)
|
|
lpFileName[len] = '\0';
|
|
else
|
|
SetLastError( ERROR_INSUFFICIENT_BUFFER );
|
|
}
|
|
HeapFree( GetProcessHeap(), 0, filenameW );
|
|
return len;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* GetModuleFileNameW (KERNEL32.@)
|
|
*
|
|
* Unicode version of GetModuleFileNameA.
|
|
*/
|
|
DWORD WINAPI GetModuleFileNameW( HMODULE hModule, LPWSTR lpFileName, DWORD size )
|
|
{
|
|
ULONG len = 0;
|
|
ULONG_PTR magic;
|
|
LDR_MODULE *pldr;
|
|
NTSTATUS nts;
|
|
WIN16_SUBSYSTEM_TIB *win16_tib;
|
|
|
|
if (!hModule && ((win16_tib = NtCurrentTeb()->Tib.SubSystemTib)) && win16_tib->exe_name)
|
|
{
|
|
len = min(size, win16_tib->exe_name->Length / sizeof(WCHAR));
|
|
memcpy( lpFileName, win16_tib->exe_name->Buffer, len * sizeof(WCHAR) );
|
|
if (len < size) lpFileName[len] = '\0';
|
|
goto done;
|
|
}
|
|
|
|
LdrLockLoaderLock( 0, NULL, &magic );
|
|
|
|
if (!hModule) hModule = NtCurrentTeb()->Peb->ImageBaseAddress;
|
|
nts = LdrFindEntryForAddress( hModule, &pldr );
|
|
if (nts == STATUS_SUCCESS)
|
|
{
|
|
len = min(size, pldr->FullDllName.Length / sizeof(WCHAR));
|
|
memcpy(lpFileName, pldr->FullDllName.Buffer, len * sizeof(WCHAR));
|
|
if (len < size)
|
|
{
|
|
lpFileName[len] = '\0';
|
|
SetLastError( 0 );
|
|
}
|
|
else
|
|
SetLastError( ERROR_INSUFFICIENT_BUFFER );
|
|
}
|
|
else SetLastError( RtlNtStatusToDosError( nts ) );
|
|
|
|
LdrUnlockLoaderLock( 0, magic );
|
|
done:
|
|
TRACE( "%s\n", debugstr_wn(lpFileName, len) );
|
|
return len;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* get_dll_system_path
|
|
*/
|
|
static const WCHAR *get_dll_system_path(void)
|
|
{
|
|
static WCHAR *cached_path;
|
|
|
|
if (!cached_path)
|
|
{
|
|
WCHAR *p, *path;
|
|
int len = 3;
|
|
|
|
len += 2 * GetSystemDirectoryW( NULL, 0 );
|
|
len += GetWindowsDirectoryW( NULL, 0 );
|
|
p = path = HeapAlloc( GetProcessHeap(), 0, len * sizeof(WCHAR) );
|
|
*p++ = '.';
|
|
*p++ = ';';
|
|
GetSystemDirectoryW( p, path + len - p);
|
|
p += strlenW(p);
|
|
/* if system directory ends in "32" add 16-bit version too */
|
|
if (p[-2] == '3' && p[-1] == '2')
|
|
{
|
|
*p++ = ';';
|
|
GetSystemDirectoryW( p, path + len - p);
|
|
p += strlenW(p) - 2;
|
|
}
|
|
*p++ = ';';
|
|
GetWindowsDirectoryW( p, path + len - p);
|
|
cached_path = path;
|
|
}
|
|
return cached_path;
|
|
}
|
|
|
|
/******************************************************************
|
|
* get_module_path_end
|
|
*
|
|
* Returns the end of the directory component of the module path.
|
|
*/
|
|
static inline const WCHAR *get_module_path_end(const WCHAR *module)
|
|
{
|
|
const WCHAR *p;
|
|
const WCHAR *mod_end = module;
|
|
if (!module) return mod_end;
|
|
|
|
if ((p = strrchrW( mod_end, '\\' ))) mod_end = p;
|
|
if ((p = strrchrW( mod_end, '/' ))) mod_end = p;
|
|
if (mod_end == module + 2 && module[1] == ':') mod_end++;
|
|
if (mod_end == module && module[0] && module[1] == ':') mod_end += 2;
|
|
|
|
return mod_end;
|
|
}
|
|
|
|
/******************************************************************
|
|
* MODULE_get_dll_load_path
|
|
*
|
|
* Compute the load path to use for a given dll.
|
|
* Returned pointer must be freed by caller.
|
|
*/
|
|
WCHAR *MODULE_get_dll_load_path( LPCWSTR module )
|
|
{
|
|
static const WCHAR pathW[] = {'P','A','T','H',0};
|
|
|
|
const WCHAR *system_path = get_dll_system_path();
|
|
const WCHAR *mod_end = NULL;
|
|
UNICODE_STRING name, value;
|
|
WCHAR *p, *ret;
|
|
int len = 0, path_len = 0;
|
|
|
|
/* adjust length for module name */
|
|
|
|
if (module)
|
|
mod_end = get_module_path_end( module );
|
|
/* if module is NULL or doesn't contain a path, fall back to directory
|
|
* process was loaded from */
|
|
if (module == mod_end)
|
|
{
|
|
module = NtCurrentTeb()->Peb->ProcessParameters->ImagePathName.Buffer;
|
|
mod_end = get_module_path_end( module );
|
|
}
|
|
len += (mod_end - module) + 1;
|
|
|
|
len += strlenW( system_path ) + 2;
|
|
|
|
/* get the PATH variable */
|
|
|
|
RtlInitUnicodeString( &name, pathW );
|
|
value.Length = 0;
|
|
value.MaximumLength = 0;
|
|
value.Buffer = NULL;
|
|
if (RtlQueryEnvironmentVariable_U( NULL, &name, &value ) == STATUS_BUFFER_TOO_SMALL)
|
|
path_len = value.Length;
|
|
|
|
RtlEnterCriticalSection( &dlldir_section );
|
|
if (dll_directory) len += strlenW(dll_directory) + 1;
|
|
if ((p = ret = HeapAlloc( GetProcessHeap(), 0, path_len + len * sizeof(WCHAR) )))
|
|
{
|
|
if (module)
|
|
{
|
|
memcpy( ret, module, (mod_end - module) * sizeof(WCHAR) );
|
|
p += (mod_end - module);
|
|
*p++ = ';';
|
|
}
|
|
if (dll_directory)
|
|
{
|
|
strcpyW( p, dll_directory );
|
|
p += strlenW(p);
|
|
*p++ = ';';
|
|
}
|
|
}
|
|
RtlLeaveCriticalSection( &dlldir_section );
|
|
if (!ret) return NULL;
|
|
|
|
strcpyW( p, system_path );
|
|
p += strlenW(p);
|
|
*p++ = ';';
|
|
value.Buffer = p;
|
|
value.MaximumLength = path_len;
|
|
|
|
while (RtlQueryEnvironmentVariable_U( NULL, &name, &value ) == STATUS_BUFFER_TOO_SMALL)
|
|
{
|
|
WCHAR *new_ptr;
|
|
|
|
/* grow the buffer and retry */
|
|
path_len = value.Length;
|
|
if (!(new_ptr = HeapReAlloc( GetProcessHeap(), 0, ret, path_len + len * sizeof(WCHAR) )))
|
|
{
|
|
HeapFree( GetProcessHeap(), 0, ret );
|
|
return NULL;
|
|
}
|
|
value.Buffer = new_ptr + (value.Buffer - ret);
|
|
value.MaximumLength = path_len;
|
|
ret = new_ptr;
|
|
}
|
|
value.Buffer[value.Length / sizeof(WCHAR)] = 0;
|
|
return ret;
|
|
}
|
|
|
|
|
|
/******************************************************************
|
|
* load_library_as_datafile
|
|
*/
|
|
static BOOL load_library_as_datafile( LPCWSTR name, HMODULE* hmod)
|
|
{
|
|
static const WCHAR dotDLL[] = {'.','d','l','l',0};
|
|
|
|
WCHAR filenameW[MAX_PATH];
|
|
HANDLE hFile = INVALID_HANDLE_VALUE;
|
|
HANDLE mapping;
|
|
HMODULE module;
|
|
|
|
*hmod = 0;
|
|
|
|
if (SearchPathW( NULL, name, dotDLL, sizeof(filenameW) / sizeof(filenameW[0]),
|
|
filenameW, NULL ))
|
|
{
|
|
hFile = CreateFileW( filenameW, GENERIC_READ, FILE_SHARE_READ,
|
|
NULL, OPEN_EXISTING, 0, 0 );
|
|
}
|
|
if (hFile == INVALID_HANDLE_VALUE) return FALSE;
|
|
|
|
mapping = CreateFileMappingW( hFile, NULL, PAGE_READONLY, 0, 0, NULL );
|
|
CloseHandle( hFile );
|
|
if (!mapping) return FALSE;
|
|
|
|
module = MapViewOfFile( mapping, FILE_MAP_READ, 0, 0, 0 );
|
|
CloseHandle( mapping );
|
|
if (!module) return FALSE;
|
|
|
|
/* make sure it's a valid PE file */
|
|
if (!RtlImageNtHeader(module))
|
|
{
|
|
UnmapViewOfFile( module );
|
|
return FALSE;
|
|
}
|
|
*hmod = (HMODULE)((char *)module + 1); /* set low bit of handle to indicate datafile module */
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
/******************************************************************
|
|
* load_library
|
|
*
|
|
* Helper for LoadLibraryExA/W.
|
|
*/
|
|
static HMODULE load_library( const UNICODE_STRING *libname, DWORD flags )
|
|
{
|
|
NTSTATUS nts;
|
|
HMODULE hModule;
|
|
WCHAR *load_path;
|
|
static const DWORD unsupported_flags =
|
|
LOAD_IGNORE_CODE_AUTHZ_LEVEL |
|
|
LOAD_LIBRARY_AS_IMAGE_RESOURCE |
|
|
LOAD_LIBRARY_AS_DATAFILE_EXCLUSIVE |
|
|
LOAD_LIBRARY_REQUIRE_SIGNED_TARGET |
|
|
LOAD_LIBRARY_SEARCH_DLL_LOAD_DIR |
|
|
LOAD_LIBRARY_SEARCH_APPLICATION_DIR |
|
|
LOAD_LIBRARY_SEARCH_USER_DIRS |
|
|
LOAD_LIBRARY_SEARCH_SYSTEM32 |
|
|
LOAD_LIBRARY_SEARCH_DEFAULT_DIRS;
|
|
|
|
if( flags & unsupported_flags)
|
|
FIXME("unsupported flag(s) used (flags: 0x%08x)\n", flags);
|
|
|
|
load_path = MODULE_get_dll_load_path( flags & LOAD_WITH_ALTERED_SEARCH_PATH ? libname->Buffer : NULL );
|
|
|
|
if (flags & LOAD_LIBRARY_AS_DATAFILE)
|
|
{
|
|
ULONG_PTR magic;
|
|
|
|
LdrLockLoaderLock( 0, NULL, &magic );
|
|
if (!LdrGetDllHandle( load_path, flags, libname, &hModule ))
|
|
{
|
|
LdrAddRefDll( 0, hModule );
|
|
LdrUnlockLoaderLock( 0, magic );
|
|
goto done;
|
|
}
|
|
LdrUnlockLoaderLock( 0, magic );
|
|
|
|
/* The method in load_library_as_datafile allows searching for the
|
|
* 'native' libraries only
|
|
*/
|
|
if (load_library_as_datafile( libname->Buffer, &hModule )) goto done;
|
|
flags |= DONT_RESOLVE_DLL_REFERENCES; /* Just in case */
|
|
/* Fallback to normal behaviour */
|
|
}
|
|
|
|
nts = LdrLoadDll( load_path, flags, libname, &hModule );
|
|
if (nts != STATUS_SUCCESS)
|
|
{
|
|
hModule = 0;
|
|
SetLastError( RtlNtStatusToDosError( nts ) );
|
|
}
|
|
done:
|
|
HeapFree( GetProcessHeap(), 0, load_path );
|
|
return hModule;
|
|
}
|
|
|
|
|
|
/******************************************************************
|
|
* LoadLibraryExA (KERNEL32.@)
|
|
*
|
|
* Load a dll file into the process address space.
|
|
*
|
|
* PARAMS
|
|
* libname [I] Name of the file to load
|
|
* hfile [I] Reserved, must be 0.
|
|
* flags [I] Flags for loading the dll
|
|
*
|
|
* RETURNS
|
|
* Success: A handle to the loaded dll.
|
|
* Failure: A NULL handle. Use GetLastError() to determine the cause.
|
|
*
|
|
* NOTES
|
|
* The HFILE parameter is not used and marked reserved in the SDK. I can
|
|
* only guess that it should force a file to be mapped, but I rather
|
|
* ignore the parameter because it would be extremely difficult to
|
|
* integrate this with different types of module representations.
|
|
*/
|
|
HMODULE WINAPI DECLSPEC_HOTPATCH LoadLibraryExA(LPCSTR libname, HANDLE hfile, DWORD flags)
|
|
{
|
|
WCHAR *libnameW;
|
|
|
|
if (!(libnameW = FILE_name_AtoW( libname, FALSE ))) return 0;
|
|
return LoadLibraryExW( libnameW, hfile, flags );
|
|
}
|
|
|
|
/***********************************************************************
|
|
* LoadLibraryExW (KERNEL32.@)
|
|
*
|
|
* Unicode version of LoadLibraryExA.
|
|
*/
|
|
HMODULE WINAPI DECLSPEC_HOTPATCH LoadLibraryExW(LPCWSTR libnameW, HANDLE hfile, DWORD flags)
|
|
{
|
|
UNICODE_STRING wstr;
|
|
HMODULE res;
|
|
|
|
if (!libnameW)
|
|
{
|
|
SetLastError(ERROR_INVALID_PARAMETER);
|
|
return 0;
|
|
}
|
|
RtlInitUnicodeString( &wstr, libnameW );
|
|
if (wstr.Buffer[wstr.Length/sizeof(WCHAR) - 1] != ' ')
|
|
return load_library( &wstr, flags );
|
|
|
|
/* Library name has trailing spaces */
|
|
RtlCreateUnicodeString( &wstr, libnameW );
|
|
while (wstr.Length > sizeof(WCHAR) &&
|
|
wstr.Buffer[wstr.Length/sizeof(WCHAR) - 1] == ' ')
|
|
{
|
|
wstr.Length -= sizeof(WCHAR);
|
|
}
|
|
wstr.Buffer[wstr.Length/sizeof(WCHAR)] = '\0';
|
|
res = load_library( &wstr, flags );
|
|
RtlFreeUnicodeString( &wstr );
|
|
return res;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* LoadLibraryA (KERNEL32.@)
|
|
*
|
|
* Load a dll file into the process address space.
|
|
*
|
|
* PARAMS
|
|
* libname [I] Name of the file to load
|
|
*
|
|
* RETURNS
|
|
* Success: A handle to the loaded dll.
|
|
* Failure: A NULL handle. Use GetLastError() to determine the cause.
|
|
*
|
|
* NOTES
|
|
* See LoadLibraryExA().
|
|
*/
|
|
HMODULE WINAPI DECLSPEC_HOTPATCH LoadLibraryA(LPCSTR libname)
|
|
{
|
|
return LoadLibraryExA(libname, 0, 0);
|
|
}
|
|
|
|
/***********************************************************************
|
|
* LoadLibraryW (KERNEL32.@)
|
|
*
|
|
* Unicode version of LoadLibraryA.
|
|
*/
|
|
HMODULE WINAPI DECLSPEC_HOTPATCH LoadLibraryW(LPCWSTR libnameW)
|
|
{
|
|
return LoadLibraryExW(libnameW, 0, 0);
|
|
}
|
|
|
|
/***********************************************************************
|
|
* FreeLibrary (KERNEL32.@)
|
|
*
|
|
* Free a dll loaded into the process address space.
|
|
*
|
|
* PARAMS
|
|
* hLibModule [I] Handle to the dll returned by LoadLibraryA().
|
|
*
|
|
* RETURNS
|
|
* Success: TRUE. The dll is removed if it is not still in use.
|
|
* Failure: FALSE. Use GetLastError() to determine the cause.
|
|
*/
|
|
BOOL WINAPI DECLSPEC_HOTPATCH FreeLibrary(HINSTANCE hLibModule)
|
|
{
|
|
BOOL retv = FALSE;
|
|
NTSTATUS nts;
|
|
|
|
if (!hLibModule)
|
|
{
|
|
SetLastError( ERROR_INVALID_HANDLE );
|
|
return FALSE;
|
|
}
|
|
|
|
if ((ULONG_PTR)hLibModule & 1)
|
|
{
|
|
/* this is a LOAD_LIBRARY_AS_DATAFILE module */
|
|
char *ptr = (char *)hLibModule - 1;
|
|
return UnmapViewOfFile( ptr );
|
|
}
|
|
|
|
if ((nts = LdrUnloadDll( hLibModule )) == STATUS_SUCCESS) retv = TRUE;
|
|
else SetLastError( RtlNtStatusToDosError( nts ) );
|
|
|
|
return retv;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* GetProcAddress (KERNEL32.@)
|
|
*
|
|
* Find the address of an exported symbol in a loaded dll.
|
|
*
|
|
* PARAMS
|
|
* hModule [I] Handle to the dll returned by LoadLibraryA().
|
|
* function [I] Name of the symbol, or an integer ordinal number < 16384
|
|
*
|
|
* RETURNS
|
|
* Success: A pointer to the symbol in the process address space.
|
|
* Failure: NULL. Use GetLastError() to determine the cause.
|
|
*/
|
|
FARPROC WINAPI GetProcAddress( HMODULE hModule, LPCSTR function )
|
|
{
|
|
NTSTATUS nts;
|
|
FARPROC fp;
|
|
|
|
if (!hModule) hModule = NtCurrentTeb()->Peb->ImageBaseAddress;
|
|
|
|
if ((ULONG_PTR)function >> 16)
|
|
{
|
|
ANSI_STRING str;
|
|
|
|
RtlInitAnsiString( &str, function );
|
|
nts = LdrGetProcedureAddress( hModule, &str, 0, (void**)&fp );
|
|
}
|
|
else
|
|
nts = LdrGetProcedureAddress( hModule, NULL, LOWORD(function), (void**)&fp );
|
|
if (nts != STATUS_SUCCESS)
|
|
{
|
|
SetLastError( RtlNtStatusToDosError( nts ) );
|
|
fp = NULL;
|
|
}
|
|
return fp;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* DelayLoadFailureHook (KERNEL32.@)
|
|
*/
|
|
FARPROC WINAPI DelayLoadFailureHook( LPCSTR name, LPCSTR function )
|
|
{
|
|
ULONG_PTR args[2];
|
|
|
|
if ((ULONG_PTR)function >> 16)
|
|
ERR( "failed to delay load %s.%s\n", name, function );
|
|
else
|
|
ERR( "failed to delay load %s.%u\n", name, LOWORD(function) );
|
|
args[0] = (ULONG_PTR)name;
|
|
args[1] = (ULONG_PTR)function;
|
|
RaiseException( EXCEPTION_WINE_STUB, EH_NONCONTINUABLE, 2, args );
|
|
return NULL;
|
|
}
|
|
|
|
typedef struct {
|
|
HANDLE process;
|
|
PLIST_ENTRY head, current;
|
|
LDR_MODULE ldr_module;
|
|
} MODULE_ITERATOR;
|
|
|
|
static BOOL init_module_iterator(MODULE_ITERATOR *iter, HANDLE process)
|
|
{
|
|
PROCESS_BASIC_INFORMATION pbi;
|
|
PPEB_LDR_DATA ldr_data;
|
|
NTSTATUS status;
|
|
|
|
/* Get address of PEB */
|
|
status = NtQueryInformationProcess(process, ProcessBasicInformation,
|
|
&pbi, sizeof(pbi), NULL);
|
|
if (status != STATUS_SUCCESS)
|
|
{
|
|
SetLastError(RtlNtStatusToDosError(status));
|
|
return FALSE;
|
|
}
|
|
|
|
/* Read address of LdrData from PEB */
|
|
if (!ReadProcessMemory(process, &pbi.PebBaseAddress->LdrData,
|
|
&ldr_data, sizeof(ldr_data), NULL))
|
|
return FALSE;
|
|
|
|
/* Read address of first module from LdrData */
|
|
if (!ReadProcessMemory(process,
|
|
&ldr_data->InLoadOrderModuleList.Flink,
|
|
&iter->current, sizeof(iter->current), NULL))
|
|
return FALSE;
|
|
|
|
iter->head = &ldr_data->InLoadOrderModuleList;
|
|
iter->process = process;
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
static int module_iterator_next(MODULE_ITERATOR *iter)
|
|
{
|
|
if (iter->current == iter->head)
|
|
return 0;
|
|
|
|
if (!ReadProcessMemory(iter->process,
|
|
CONTAINING_RECORD(iter->current, LDR_MODULE, InLoadOrderModuleList),
|
|
&iter->ldr_module, sizeof(iter->ldr_module), NULL))
|
|
return -1;
|
|
|
|
iter->current = iter->ldr_module.InLoadOrderModuleList.Flink;
|
|
return 1;
|
|
}
|
|
|
|
static BOOL get_ldr_module(HANDLE process, HMODULE module, LDR_MODULE *ldr_module)
|
|
{
|
|
MODULE_ITERATOR iter;
|
|
INT ret;
|
|
|
|
if (!init_module_iterator(&iter, process))
|
|
return FALSE;
|
|
|
|
while ((ret = module_iterator_next(&iter)) > 0)
|
|
/* When hModule is NULL we return the process image - which will be
|
|
* the first module since our iterator uses InLoadOrderModuleList */
|
|
if (!module || module == iter.ldr_module.BaseAddress)
|
|
{
|
|
*ldr_module = iter.ldr_module;
|
|
return TRUE;
|
|
}
|
|
|
|
if (ret == 0)
|
|
SetLastError(ERROR_INVALID_HANDLE);
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* K32EnumProcessModules (KERNEL32.@)
|
|
*
|
|
* NOTES
|
|
* Returned list is in load order.
|
|
*/
|
|
BOOL WINAPI K32EnumProcessModules(HANDLE process, HMODULE *lphModule,
|
|
DWORD cb, DWORD *needed)
|
|
{
|
|
MODULE_ITERATOR iter;
|
|
INT ret;
|
|
|
|
if (!init_module_iterator(&iter, process))
|
|
return FALSE;
|
|
|
|
if (!needed)
|
|
{
|
|
SetLastError(ERROR_NOACCESS);
|
|
return FALSE;
|
|
}
|
|
|
|
*needed = 0;
|
|
|
|
while ((ret = module_iterator_next(&iter)) > 0)
|
|
{
|
|
if (cb >= sizeof(HMODULE))
|
|
{
|
|
*lphModule++ = iter.ldr_module.BaseAddress;
|
|
cb -= sizeof(HMODULE);
|
|
}
|
|
*needed += sizeof(HMODULE);
|
|
}
|
|
|
|
return ret == 0;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* K32GetModuleBaseNameW (KERNEL32.@)
|
|
*/
|
|
DWORD WINAPI K32GetModuleBaseNameW(HANDLE process, HMODULE module,
|
|
LPWSTR base_name, DWORD size)
|
|
{
|
|
LDR_MODULE ldr_module;
|
|
|
|
if (!get_ldr_module(process, module, &ldr_module))
|
|
return 0;
|
|
|
|
size = min(ldr_module.BaseDllName.Length / sizeof(WCHAR), size);
|
|
if (!ReadProcessMemory(process, ldr_module.BaseDllName.Buffer,
|
|
base_name, size * sizeof(WCHAR), NULL))
|
|
return 0;
|
|
|
|
base_name[size] = 0;
|
|
return size;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* K32GetModuleBaseNameA (KERNEL32.@)
|
|
*/
|
|
DWORD WINAPI K32GetModuleBaseNameA(HANDLE process, HMODULE module,
|
|
LPSTR base_name, DWORD size)
|
|
{
|
|
WCHAR *base_name_w;
|
|
DWORD len, ret = 0;
|
|
|
|
if(!base_name || !size) {
|
|
SetLastError(ERROR_INVALID_PARAMETER);
|
|
return 0;
|
|
}
|
|
|
|
base_name_w = HeapAlloc(GetProcessHeap(), 0, sizeof(WCHAR) * size);
|
|
if(!base_name_w)
|
|
return 0;
|
|
|
|
len = K32GetModuleBaseNameW(process, module, base_name_w, size);
|
|
TRACE("%d, %s\n", len, debugstr_w(base_name_w));
|
|
if (len)
|
|
{
|
|
ret = WideCharToMultiByte(CP_ACP, 0, base_name_w, len,
|
|
base_name, size, NULL, NULL);
|
|
if (ret < size) base_name[ret] = 0;
|
|
}
|
|
HeapFree(GetProcessHeap(), 0, base_name_w);
|
|
return ret;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* K32GetModuleFileNameExW (KERNEL32.@)
|
|
*/
|
|
DWORD WINAPI K32GetModuleFileNameExW(HANDLE process, HMODULE module,
|
|
LPWSTR file_name, DWORD size)
|
|
{
|
|
LDR_MODULE ldr_module;
|
|
DWORD len;
|
|
|
|
if (!size) return 0;
|
|
|
|
if(!get_ldr_module(process, module, &ldr_module))
|
|
return 0;
|
|
|
|
len = ldr_module.FullDllName.Length / sizeof(WCHAR);
|
|
if (!ReadProcessMemory(process, ldr_module.FullDllName.Buffer,
|
|
file_name, min( len, size ) * sizeof(WCHAR), NULL))
|
|
return 0;
|
|
|
|
if (len < size)
|
|
{
|
|
file_name[len] = 0;
|
|
return len;
|
|
}
|
|
else
|
|
{
|
|
file_name[size - 1] = 0;
|
|
return size;
|
|
}
|
|
}
|
|
|
|
/***********************************************************************
|
|
* K32GetModuleFileNameExA (KERNEL32.@)
|
|
*/
|
|
DWORD WINAPI K32GetModuleFileNameExA(HANDLE process, HMODULE module,
|
|
LPSTR file_name, DWORD size)
|
|
{
|
|
WCHAR *ptr;
|
|
DWORD len;
|
|
|
|
TRACE("(hProcess=%p, hModule=%p, %p, %d)\n", process, module, file_name, size);
|
|
|
|
if (!file_name || !size)
|
|
{
|
|
SetLastError( ERROR_INVALID_PARAMETER );
|
|
return 0;
|
|
}
|
|
|
|
if ( process == GetCurrentProcess() )
|
|
{
|
|
len = GetModuleFileNameA( module, file_name, size );
|
|
if (size) file_name[size - 1] = '\0';
|
|
return len;
|
|
}
|
|
|
|
if (!(ptr = HeapAlloc(GetProcessHeap(), 0, size * sizeof(WCHAR)))) return 0;
|
|
|
|
len = K32GetModuleFileNameExW(process, module, ptr, size);
|
|
if (!len)
|
|
{
|
|
file_name[0] = '\0';
|
|
}
|
|
else
|
|
{
|
|
if (!WideCharToMultiByte( CP_ACP, 0, ptr, -1, file_name, size, NULL, NULL ))
|
|
{
|
|
file_name[size - 1] = 0;
|
|
len = size;
|
|
}
|
|
else if (len < size) len = strlen( file_name );
|
|
}
|
|
|
|
HeapFree(GetProcessHeap(), 0, ptr);
|
|
return len;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* K32GetModuleInformation (KERNEL32.@)
|
|
*/
|
|
BOOL WINAPI K32GetModuleInformation(HANDLE process, HMODULE module,
|
|
MODULEINFO *modinfo, DWORD cb)
|
|
{
|
|
LDR_MODULE ldr_module;
|
|
|
|
if (cb < sizeof(MODULEINFO))
|
|
{
|
|
SetLastError(ERROR_INSUFFICIENT_BUFFER);
|
|
return FALSE;
|
|
}
|
|
|
|
if (!get_ldr_module(process, module, &ldr_module))
|
|
return FALSE;
|
|
|
|
modinfo->lpBaseOfDll = ldr_module.BaseAddress;
|
|
modinfo->SizeOfImage = ldr_module.SizeOfImage;
|
|
modinfo->EntryPoint = ldr_module.EntryPoint;
|
|
return TRUE;
|
|
}
|
|
|
|
#ifdef __i386__
|
|
|
|
/***********************************************************************
|
|
* __wine_dll_register_16 (KERNEL32.@)
|
|
*
|
|
* No longer used.
|
|
*/
|
|
void __wine_dll_register_16( const IMAGE_DOS_HEADER *header, const char *file_name )
|
|
{
|
|
ERR( "loading old style 16-bit dll %s no longer supported\n", file_name );
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* __wine_dll_unregister_16 (KERNEL32.@)
|
|
*
|
|
* No longer used.
|
|
*/
|
|
void __wine_dll_unregister_16( const IMAGE_DOS_HEADER *header )
|
|
{
|
|
}
|
|
|
|
#endif
|