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/*
* Creation of Wine fake dlls for apps that access the dll file directly.
*
* Copyright 2006, 2011 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 <stdarg.h>
#include <fcntl.h>
#include <sys/stat.h>
#include <unistd.h>
#define COBJMACROS
#define ATL_INITGUID
#include "ntstatus.h"
#define WIN32_NO_STATUS
#include "windef.h"
#include "winbase.h"
#include "winuser.h"
#include "winnt.h"
#include "winternl.h"
#include "wine/debug.h"
#include "ole2.h"
#include "atliface.h"
WINE_DEFAULT_DEBUG_CHANNEL(setupapi);
static const char builtin_signature[] = "Wine builtin DLL";
static const char fakedll_signature[] = "Wine placeholder DLL";
static const unsigned int file_alignment = 512;
static const unsigned int section_alignment = 4096;
static const unsigned int max_dll_name_len = 64;
static void *file_buffer;
static SIZE_T file_buffer_size;
static unsigned int handled_count;
static unsigned int handled_total;
static WCHAR **handled_dlls;
static IRegistrar *registrar;
struct dll_info
{
HANDLE handle;
IMAGE_NT_HEADERS *nt;
DWORD file_pos;
DWORD mem_pos;
};
#define ALIGN(size,align) (((size) + (align) - 1) & ~((align) - 1))
static const WCHAR winedlldirW[] = {'W','I','N','E','D','L','L','D','I','R','%','u',0};
static const WCHAR winebuilddirW[] = {'W','I','N','E','B','U','I','L','D','D','I','R',0};
static const WCHAR programsW[] = {'\\','p','r','o','g','r','a','m','s',0};
static const WCHAR dllsW[] = {'\\','d','l','l','s',0};
static const WCHAR fakedllsW[] = {'\\','f','a','k','e','d','l','l','s',0};
static const WCHAR dllW[] = {'.','d','l','l',0};
static const WCHAR exeW[] = {'.','e','x','e',0};
static const WCHAR fakeW[] = {'.','f','a','k','e',0};
/* contents of the dll sections */
static const BYTE dll_code_section[] = { 0x31, 0xc0, /* xor %eax,%eax */
0xc2, 0x0c, 0x00 }; /* ret $12 */
static const BYTE exe_code_section[] = { 0xb8, 0x01, 0x00, 0x00, 0x00, /* movl $1,%eax */
0xc2, 0x04, 0x00 }; /* ret $4 */
static const IMAGE_BASE_RELOCATION reloc_section; /* empty relocs */
/* wrapper for WriteFile */
static inline BOOL xwrite( struct dll_info *info, const void *data, DWORD size, DWORD offset )
{
DWORD res;
return (SetFilePointer( info->handle, offset, NULL, FILE_BEGIN ) != INVALID_SET_FILE_POINTER &&
WriteFile( info->handle, data, size, &res, NULL ) &&
res == size);
}
/* add a new section to the dll NT header */
static void add_section( struct dll_info *info, const char *name, DWORD size, DWORD flags )
{
IMAGE_SECTION_HEADER *sec = (IMAGE_SECTION_HEADER *)(info->nt + 1);
sec += info->nt->FileHeader.NumberOfSections;
memcpy( sec->Name, name, min( strlen(name), sizeof(sec->Name)) );
sec->Misc.VirtualSize = ALIGN( size, section_alignment );
sec->VirtualAddress = info->mem_pos;
sec->SizeOfRawData = size;
sec->PointerToRawData = info->file_pos;
sec->Characteristics = flags;
info->file_pos += ALIGN( size, file_alignment );
info->mem_pos += ALIGN( size, section_alignment );
info->nt->FileHeader.NumberOfSections++;
}
/* add a data directory to the dll NT header */
static inline void add_directory( struct dll_info *info, unsigned int idx, DWORD rva, DWORD size )
{
info->nt->OptionalHeader.DataDirectory[idx].VirtualAddress = rva;
info->nt->OptionalHeader.DataDirectory[idx].Size = size;
}
/* add a dll to the list of dll that have been taken care of */
static BOOL add_handled_dll( const WCHAR *name )
{
int i, min, max, pos, res;
min = 0;
max = handled_count - 1;
while (min <= max)
{
pos = (min + max) / 2;
res = wcscmp( handled_dlls[pos], name );
if (!res) return FALSE; /* already in the list */
if (res < 0) min = pos + 1;
else max = pos - 1;
}
if (handled_count >= handled_total)
{
WCHAR **new_dlls;
unsigned int new_count = max( 64, handled_total * 2 );
if (handled_dlls) new_dlls = HeapReAlloc( GetProcessHeap(), 0, handled_dlls,
new_count * sizeof(*handled_dlls) );
else new_dlls = HeapAlloc( GetProcessHeap(), 0, new_count * sizeof(*handled_dlls) );
if (!new_dlls) return FALSE;
handled_dlls = new_dlls;
handled_total = new_count;
}
for (i = handled_count; i > min; i--) handled_dlls[i] = handled_dlls[i - 1];
handled_dlls[i] = wcsdup( name );
handled_count++;
return TRUE;
}
static int is_valid_ptr( const void *data, SIZE_T size, const void *ptr, SIZE_T ptr_size )
{
if (ptr < data) return 0;
if ((char *)ptr - (char *)data >= size) return 0;
return (size - ((char *)ptr - (char *)data) >= ptr_size);
}
/* extract the 16-bit NE dll from a PE builtin */
static void extract_16bit_image( IMAGE_NT_HEADERS *nt, void **data, SIZE_T *size )
{
DWORD exp_size, *size_ptr;
IMAGE_DOS_HEADER *dos;
IMAGE_EXPORT_DIRECTORY *exports;
IMAGE_SECTION_HEADER *section = NULL;
WORD *ordinals;
DWORD *names, *functions;
int i;
exports = RtlImageDirectoryEntryToData( *data, FALSE, IMAGE_DIRECTORY_ENTRY_EXPORT, &exp_size );
if (!is_valid_ptr( *data, *size, exports, exp_size )) return;
ordinals = RtlImageRvaToVa( nt, *data, exports->AddressOfNameOrdinals, &section );
names = RtlImageRvaToVa( nt, *data, exports->AddressOfNames, &section );
functions = RtlImageRvaToVa( nt, *data, exports->AddressOfFunctions, &section );
if (!is_valid_ptr( *data, *size, ordinals, exports->NumberOfNames * sizeof(*ordinals) )) return;
if (!is_valid_ptr( *data, *size, names, exports->NumberOfNames * sizeof(*names) )) return;
for (i = 0; i < exports->NumberOfNames; i++)
{
char *ename = RtlImageRvaToVa( nt, *data, names[i], &section );
if (strcmp( ename, "__wine_spec_dos_header" )) continue;
if (ordinals[i] >= exports->NumberOfFunctions) return;
if (!is_valid_ptr( *data, *size, functions, sizeof(*functions) )) return;
if (!functions[ordinals[i]]) return;
dos = RtlImageRvaToVa( nt, *data, functions[ordinals[i]], NULL );
if (!is_valid_ptr( *data, *size, dos, sizeof(*dos) )) return;
if (dos->e_magic != IMAGE_DOS_SIGNATURE) return;
size_ptr = (DWORD *)dos->e_res2;
*size = min( *size_ptr, *size - ((const char *)dos - (const char *)*data) );
*size_ptr = 0;
*data = dos;
break;
}
}
/* read in the contents of a file into the global file buffer */
/* return 1 on success, 0 on nonexistent file, -1 on other error */
static int read_file( const WCHAR *name, void **data, SIZE_T *size, BOOL expect_builtin )
{
static const WCHAR sixteenW[] = {'1','6',0};
struct stat st;
int fd, ret = -1;
size_t header_size;
IMAGE_DOS_HEADER *dos;
IMAGE_NT_HEADERS *nt;
const char *signature = expect_builtin ? builtin_signature : fakedll_signature;
const size_t min_size = sizeof(*dos) + 32 +
FIELD_OFFSET( IMAGE_NT_HEADERS, OptionalHeader.MajorLinkerVersion );
if ((fd = _wopen( name, O_RDONLY | O_BINARY )) == -1) return 0;
if (fstat( fd, &st ) == -1) goto done;
*size = st.st_size;
if (!file_buffer || st.st_size > file_buffer_size)
{
VirtualFree( file_buffer, 0, MEM_RELEASE );
file_buffer = NULL;
file_buffer_size = st.st_size;
if (NtAllocateVirtualMemory( GetCurrentProcess(), &file_buffer, 0, &file_buffer_size,
MEM_COMMIT, PAGE_READWRITE )) goto done;
}
/* check for valid fake dll file */
if (st.st_size < min_size) goto done;
header_size = min( st.st_size, 4096 );
if (read( fd, file_buffer, header_size ) != header_size) goto done;
dos = file_buffer;
if (dos->e_magic != IMAGE_DOS_SIGNATURE) goto done;
if (dos->e_lfanew < strlen(signature) + 1) goto done;
if (memcmp( dos + 1, signature, strlen(signature) + 1 )) goto done;
if (dos->e_lfanew + FIELD_OFFSET(IMAGE_NT_HEADERS,OptionalHeader.MajorLinkerVersion) > header_size)
goto done;
nt = (IMAGE_NT_HEADERS *)((char *)file_buffer + dos->e_lfanew);
if (nt->Signature == IMAGE_NT_SIGNATURE && nt->OptionalHeader.Magic != IMAGE_NT_OPTIONAL_HDR_MAGIC)
{
/* wrong 32/64 type, pretend it doesn't exist */
ret = 0;
goto done;
}
if (st.st_size == header_size ||
read( fd, (char *)file_buffer + header_size,
st.st_size - header_size ) == st.st_size - header_size)
{
*data = file_buffer;
if (lstrlenW(name) > 2 && !wcscmp( name + lstrlenW(name) - 2, sixteenW ))
extract_16bit_image( nt, data, size );
ret = 1;
}
done:
close( fd );
return ret;
}
/* build a complete fake dll from scratch */
static BOOL build_fake_dll( HANDLE file, const WCHAR *name )
{
static const WCHAR dotexeW[] = { '.','e','x','e',0 };
IMAGE_DOS_HEADER *dos;
IMAGE_NT_HEADERS *nt;
struct dll_info info;
const WCHAR *ext;
BYTE *buffer;
BOOL ret = FALSE;
DWORD lfanew = (sizeof(*dos) + sizeof(fakedll_signature) + 15) & ~15;
DWORD size, header_size = lfanew + sizeof(*nt);
info.handle = file;
buffer = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, header_size + 8 * sizeof(IMAGE_SECTION_HEADER) );
dos = (IMAGE_DOS_HEADER *)buffer;
dos->e_magic = IMAGE_DOS_SIGNATURE;
dos->e_cblp = sizeof(*dos);
dos->e_cp = 1;
dos->e_cparhdr = lfanew / 16;
dos->e_minalloc = 0;
dos->e_maxalloc = 0xffff;
dos->e_ss = 0x0000;
dos->e_sp = 0x00b8;
dos->e_lfarlc = lfanew;
dos->e_lfanew = lfanew;
memcpy( dos + 1, fakedll_signature, sizeof(fakedll_signature) );
nt = info.nt = (IMAGE_NT_HEADERS *)(buffer + lfanew);
/* some fields are copied from the source dll */
#if defined __x86_64__
nt->FileHeader.Machine = IMAGE_FILE_MACHINE_AMD64;
#elif defined __aarch64__
nt->FileHeader.Machine = IMAGE_FILE_MACHINE_ARM64;
#elif defined __arm__
nt->FileHeader.Machine = IMAGE_FILE_MACHINE_ARMNT;
#elif defined __powerpc__
nt->FileHeader.Machine = IMAGE_FILE_MACHINE_POWERPC;
#else
nt->FileHeader.Machine = IMAGE_FILE_MACHINE_I386;
#endif
nt->FileHeader.TimeDateStamp = 0;
nt->FileHeader.Characteristics = 0;
nt->OptionalHeader.MajorLinkerVersion = 1;
nt->OptionalHeader.MinorLinkerVersion = 0;
nt->OptionalHeader.MajorOperatingSystemVersion = 1;
nt->OptionalHeader.MinorOperatingSystemVersion = 0;
nt->OptionalHeader.MajorImageVersion = 1;
nt->OptionalHeader.MinorImageVersion = 0;
nt->OptionalHeader.MajorSubsystemVersion = 4;
nt->OptionalHeader.MinorSubsystemVersion = 0;
nt->OptionalHeader.Win32VersionValue = 0;
nt->OptionalHeader.Subsystem = IMAGE_SUBSYSTEM_WINDOWS_GUI;
nt->OptionalHeader.DllCharacteristics = 0;
nt->OptionalHeader.SizeOfStackReserve = 0;
nt->OptionalHeader.SizeOfStackCommit = 0;
nt->OptionalHeader.SizeOfHeapReserve = 0;
nt->OptionalHeader.SizeOfHeapCommit = 0;
/* other fields have fixed values */
nt->Signature = IMAGE_NT_SIGNATURE;
nt->FileHeader.NumberOfSections = 0;
nt->FileHeader.SizeOfOptionalHeader = IMAGE_SIZEOF_NT_OPTIONAL_HEADER;
nt->OptionalHeader.Magic = IMAGE_NT_OPTIONAL_HDR_MAGIC;
nt->OptionalHeader.ImageBase = 0x10000000;
nt->OptionalHeader.SectionAlignment = section_alignment;
nt->OptionalHeader.FileAlignment = file_alignment;
nt->OptionalHeader.NumberOfRvaAndSizes = IMAGE_NUMBEROF_DIRECTORY_ENTRIES;
header_size = (BYTE *)(nt + 1) - buffer;
info.mem_pos = ALIGN( header_size, section_alignment );
info.file_pos = ALIGN( header_size, file_alignment );
nt->OptionalHeader.AddressOfEntryPoint = info.mem_pos;
nt->OptionalHeader.BaseOfCode = info.mem_pos;
ext = wcsrchr( name, '.' );
if (!ext || wcsicmp( ext, dotexeW )) nt->FileHeader.Characteristics |= IMAGE_FILE_DLL;
if (nt->FileHeader.Characteristics & IMAGE_FILE_DLL)
{
size = sizeof(dll_code_section);
if (!xwrite( &info, dll_code_section, size, info.file_pos )) goto done;
}
else
{
size = sizeof(exe_code_section);
if (!xwrite( &info, exe_code_section, size, info.file_pos )) goto done;
}
nt->OptionalHeader.SizeOfCode = size;
add_section( &info, ".text", size, IMAGE_SCN_CNT_CODE | IMAGE_SCN_MEM_EXECUTE | IMAGE_SCN_MEM_READ );
if (!xwrite( &info, &reloc_section, sizeof(reloc_section), info.file_pos )) goto done;
add_directory( &info, IMAGE_DIRECTORY_ENTRY_BASERELOC, info.mem_pos, sizeof(reloc_section) );
add_section( &info, ".reloc", sizeof(reloc_section),
IMAGE_SCN_CNT_INITIALIZED_DATA | IMAGE_SCN_MEM_DISCARDABLE | IMAGE_SCN_MEM_READ );
header_size += nt->FileHeader.NumberOfSections * sizeof(IMAGE_SECTION_HEADER);
nt->OptionalHeader.SizeOfHeaders = ALIGN( header_size, file_alignment );
nt->OptionalHeader.SizeOfImage = ALIGN( info.mem_pos, section_alignment );
ret = xwrite( &info, buffer, header_size, 0 );
done:
HeapFree( GetProcessHeap(), 0, buffer );
return ret;
}
/* check if an existing file is a fake dll so that we can overwrite it */
static BOOL is_fake_dll( HANDLE h )
{
IMAGE_DOS_HEADER *dos;
DWORD size;
BYTE buffer[sizeof(*dos) + 32];
if (!ReadFile( h, buffer, sizeof(buffer), &size, NULL ) || size != sizeof(buffer))
return FALSE;
dos = (IMAGE_DOS_HEADER *)buffer;
if (dos->e_magic != IMAGE_DOS_SIGNATURE) return FALSE;
if (dos->e_lfanew < size) return FALSE;
return (!memcmp( dos + 1, builtin_signature, sizeof(builtin_signature) ) ||
!memcmp( dos + 1, fakedll_signature, sizeof(fakedll_signature) ));
}
/* create directories leading to a given file */
static void create_directories( const WCHAR *name )
{
WCHAR *path, *p;
/* create the directory/directories */
path = HeapAlloc(GetProcessHeap(), 0, (lstrlenW(name) + 1)*sizeof(WCHAR));
lstrcpyW(path, name);
p = wcschr(path, '\\');
while (p != NULL)
{
*p = 0;
if (!CreateDirectoryW(path, NULL))
TRACE("Couldn't create directory %s - error: %d\n", wine_dbgstr_w(path), GetLastError());
*p = '\\';
p = wcschr(p+1, '\\');
}
HeapFree(GetProcessHeap(), 0, path);
}
static inline WCHAR *prepend( WCHAR *buffer, const WCHAR *str, size_t len )
{
return memcpy( buffer - len, str, len * sizeof(WCHAR) );
}
static const WCHAR *enum_load_path( unsigned int idx )
{
WCHAR buffer[32];
swprintf( buffer, ARRAY_SIZE(buffer), winedlldirW, idx );
return _wgetenv( buffer );
}
/* try to load a pre-compiled fake dll */
static void *load_fake_dll( const WCHAR *name, SIZE_T *size )
{
const WCHAR *build_dir = _wgetenv( winebuilddirW );
const WCHAR *path;
WCHAR *file, *ptr;
void *data = NULL;
unsigned int i, pos, len, namelen, maxlen = 0;
WCHAR *p;
int res = 0;
if ((p = wcsrchr( name, '\\' ))) name = p + 1;
i = 0;
len = lstrlenW( name );
if (build_dir) maxlen = lstrlenW(build_dir) + ARRAY_SIZE(programsW) + len + 1;
while ((path = enum_load_path( i++ ))) maxlen = max( maxlen, lstrlenW(path) );
maxlen += ARRAY_SIZE(fakedllsW) + len + ARRAY_SIZE(fakeW);
if (!(file = HeapAlloc( GetProcessHeap(), 0, maxlen * sizeof(WCHAR) ))) return NULL;
pos = maxlen - len - ARRAY_SIZE(fakeW);
lstrcpyW( file + pos, name );
file[--pos] = '\\';
if (build_dir)
{
/* try as a dll */
ptr = file + pos;
namelen = len + 1;
file[pos + len + 1] = 0;
if (namelen > 4 && !wcsncmp( ptr + namelen - 4, dllW, 4 )) namelen -= 4;
ptr = prepend( ptr, ptr, namelen );
ptr = prepend( ptr, dllsW, ARRAY_SIZE(dllsW) - 1 );
ptr = prepend( ptr, build_dir, lstrlenW(build_dir) );
if ((res = read_file( ptr, &data, size, TRUE ))) goto done;
lstrcpyW( file + pos + len + 1, fakeW );
if ((res = read_file( ptr, &data, size, FALSE ))) goto done;
/* now as a program */
ptr = file + pos;
namelen = len + 1;
file[pos + len + 1] = 0;
if (namelen > 4 && !wcsncmp( ptr + namelen - 4, exeW, 4 )) namelen -= 4;
ptr = prepend( ptr, ptr, namelen );
ptr = prepend( ptr, programsW, ARRAY_SIZE(programsW) - 1 );
ptr = prepend( ptr, build_dir, lstrlenW(build_dir) );
if ((res = read_file( ptr, &data, size, TRUE ))) goto done;
lstrcpyW( file + pos + len + 1, fakeW );
if ((res = read_file( ptr, &data, size, FALSE ))) goto done;
}
file[pos + len + 1] = 0;
for (i = 0; (path = enum_load_path( i )); i++)
{
ptr = prepend( file + pos, path, lstrlenW(path) );
if ((res = read_file( ptr, &data, size, TRUE ))) break;
ptr = prepend( file + pos, fakedllsW, ARRAY_SIZE(fakedllsW) - 1 );
ptr = prepend( ptr, path, lstrlenW(path) );
if ((res = read_file( ptr, &data, size, FALSE ))) break;
}
done:
HeapFree( GetProcessHeap(), 0, file );
if (res == 1) return data;
return NULL;
}
/* create the fake dll destination file */
static HANDLE create_dest_file( const WCHAR *name )
{
/* first check for an existing file */
HANDLE h = CreateFileW( name, GENERIC_READ|GENERIC_WRITE, 0, NULL, OPEN_EXISTING, 0, NULL );
if (h != INVALID_HANDLE_VALUE)
{
if (!is_fake_dll( h ))
{
TRACE( "%s is not a fake dll, not overwriting it\n", debugstr_w(name) );
CloseHandle( h );
return 0;
}
/* truncate the file */
SetFilePointer( h, 0, NULL, FILE_BEGIN );
SetEndOfFile( h );
}
else
{
if (GetLastError() == ERROR_PATH_NOT_FOUND) create_directories( name );
h = CreateFileW( name, GENERIC_WRITE, 0, NULL, CREATE_NEW, 0, NULL );
if (h == INVALID_HANDLE_VALUE)
ERR( "failed to create %s (error=%u)\n", debugstr_w(name), GetLastError() );
}
return h;
}
/* XML parsing code copied from ntdll */
typedef struct
{
const char *ptr;
unsigned int len;
} xmlstr_t;
typedef struct
{
const char *ptr;
const char *end;
} xmlbuf_t;
static inline BOOL xmlstr_cmp(const xmlstr_t* xmlstr, const char *str)
{
return !strncmp(xmlstr->ptr, str, xmlstr->len) && !str[xmlstr->len];
}
static inline BOOL isxmlspace( char ch )
{
return (ch == ' ' || ch == '\r' || ch == '\n' || ch == '\t');
}
static BOOL next_xml_elem( xmlbuf_t *xmlbuf, xmlstr_t *elem )
{
const char *ptr;
for (;;)
{
ptr = memchr(xmlbuf->ptr, '<', xmlbuf->end - xmlbuf->ptr);
if (!ptr)
{
xmlbuf->ptr = xmlbuf->end;
return FALSE;
}
ptr++;
if (ptr + 3 < xmlbuf->end && ptr[0] == '!' && ptr[1] == '-' && ptr[2] == '-') /* skip comment */
{
for (ptr += 3; ptr + 3 <= xmlbuf->end; ptr++)
if (ptr[0] == '-' && ptr[1] == '-' && ptr[2] == '>') break;
if (ptr + 3 > xmlbuf->end)
{
xmlbuf->ptr = xmlbuf->end;
return FALSE;
}
xmlbuf->ptr = ptr + 3;
}
else break;
}
xmlbuf->ptr = ptr;
while (ptr < xmlbuf->end && !isxmlspace(*ptr) && *ptr != '>' && (*ptr != '/' || ptr == xmlbuf->ptr))
ptr++;
elem->ptr = xmlbuf->ptr;
elem->len = ptr - xmlbuf->ptr;
xmlbuf->ptr = ptr;
return xmlbuf->ptr != xmlbuf->end;
}
static BOOL next_xml_attr(xmlbuf_t* xmlbuf, xmlstr_t* name, xmlstr_t* value,
BOOL* error, BOOL* end)
{
const char *ptr;
*error = TRUE;
while (xmlbuf->ptr < xmlbuf->end && isxmlspace(*xmlbuf->ptr))
xmlbuf->ptr++;
if (xmlbuf->ptr == xmlbuf->end) return FALSE;
if (*xmlbuf->ptr == '/')
{
xmlbuf->ptr++;
if (xmlbuf->ptr == xmlbuf->end || *xmlbuf->ptr != '>')
return FALSE;
xmlbuf->ptr++;
*end = TRUE;
*error = FALSE;
return FALSE;
}
if (*xmlbuf->ptr == '>')
{
xmlbuf->ptr++;
*error = FALSE;
return FALSE;
}
ptr = xmlbuf->ptr;
while (ptr < xmlbuf->end && *ptr != '=' && *ptr != '>' && !isxmlspace(*ptr)) ptr++;
if (ptr == xmlbuf->end || *ptr != '=') return FALSE;
name->ptr = xmlbuf->ptr;
name->len = ptr-xmlbuf->ptr;
xmlbuf->ptr = ptr;
ptr++;
if (ptr == xmlbuf->end || (*ptr != '"' && *ptr != '\'')) return FALSE;
value->ptr = ++ptr;
if (ptr == xmlbuf->end) return FALSE;
ptr = memchr(ptr, ptr[-1], xmlbuf->end - ptr);
if (!ptr)
{
xmlbuf->ptr = xmlbuf->end;
return FALSE;
}
value->len = ptr - value->ptr;
xmlbuf->ptr = ptr + 1;
if (xmlbuf->ptr == xmlbuf->end) return FALSE;
*error = FALSE;
return TRUE;
}
static void get_manifest_filename( const xmlstr_t *arch, const xmlstr_t *name, const xmlstr_t *key,
const xmlstr_t *version, const xmlstr_t *lang, WCHAR *buffer, DWORD size )
{
static const WCHAR trailerW[] = {'_','d','e','a','d','b','e','e','f',0};
DWORD pos;
pos = MultiByteToWideChar( CP_UTF8, 0, arch->ptr, arch->len, buffer, size );
buffer[pos++] = '_';
pos += MultiByteToWideChar( CP_UTF8, 0, name->ptr, name->len, buffer + pos, size - pos );
buffer[pos++] = '_';
pos += MultiByteToWideChar( CP_UTF8, 0, key->ptr, key->len, buffer + pos, size - pos );
buffer[pos++] = '_';
pos += MultiByteToWideChar( CP_UTF8, 0, version->ptr, version->len, buffer + pos, size - pos );
buffer[pos++] = '_';
pos += MultiByteToWideChar( CP_UTF8, 0, lang->ptr, lang->len, buffer + pos, size - pos );
memcpy( buffer + pos, trailerW, sizeof(trailerW) );
wcslwr( buffer );
}
static BOOL create_winsxs_dll( const WCHAR *dll_name, const xmlstr_t *arch, const xmlstr_t *name,
const xmlstr_t *key, const xmlstr_t *version, const xmlstr_t *lang,
const void *dll_data, size_t dll_size )
{
static const WCHAR winsxsW[] = {'w','i','n','s','x','s','\\'};
WCHAR *path;
const WCHAR *filename;
DWORD pos, written, path_len;
HANDLE handle;
BOOL ret = FALSE;
if (!(filename = wcsrchr( dll_name, '\\' ))) filename = dll_name;
else filename++;
path_len = GetWindowsDirectoryW( NULL, 0 ) + 1 + ARRAY_SIZE( winsxsW )
+ arch->len + name->len + key->len + version->len + 18 + lstrlenW( filename ) + 1;
path = HeapAlloc( GetProcessHeap(), 0, path_len * sizeof(WCHAR) );
pos = GetWindowsDirectoryW( path, path_len );
path[pos++] = '\\';
memcpy( path + pos, winsxsW, sizeof(winsxsW) );
pos += ARRAY_SIZE( winsxsW );
get_manifest_filename( arch, name, key, version, lang, path + pos, path_len - pos );
pos += lstrlenW( path + pos );
path[pos++] = '\\';
lstrcpyW( path + pos, filename );
handle = create_dest_file( path );
if (handle && handle != INVALID_HANDLE_VALUE)
{
TRACE( "creating %s\n", debugstr_w(path) );
ret = (WriteFile( handle, dll_data, dll_size, &written, NULL ) && written == dll_size);
if (!ret) ERR( "failed to write to %s (error=%u)\n", debugstr_w(path), GetLastError() );
CloseHandle( handle );
if (!ret) DeleteFileW( path );
}
HeapFree( GetProcessHeap(), 0, path );
return ret;
}
static BOOL create_manifest( const xmlstr_t *arch, const xmlstr_t *name, const xmlstr_t *key,
const xmlstr_t *version, const xmlstr_t *lang, const void *data, DWORD len )
{
static const WCHAR winsxsW[] = {'w','i','n','s','x','s','\\','m','a','n','i','f','e','s','t','s','\\'};
static const WCHAR extensionW[] = {'.','m','a','n','i','f','e','s','t',0};
WCHAR *path;
DWORD pos, written, path_len;
HANDLE handle;
BOOL ret = FALSE;
path_len = GetWindowsDirectoryW( NULL, 0 ) + 1 + ARRAY_SIZE( winsxsW )
+ arch->len + name->len + key->len + version->len + 18 + ARRAY_SIZE( extensionW );
path = HeapAlloc( GetProcessHeap(), 0, path_len * sizeof(WCHAR) );
pos = GetWindowsDirectoryW( path, MAX_PATH );
path[pos++] = '\\';
memcpy( path + pos, winsxsW, sizeof(winsxsW) );
pos += ARRAY_SIZE( winsxsW );
get_manifest_filename( arch, name, key, version, lang, path + pos, MAX_PATH - pos );
lstrcatW( path + pos, extensionW );
handle = CreateFileW( path, GENERIC_WRITE, 0, NULL, CREATE_ALWAYS, 0, NULL );
if (handle == INVALID_HANDLE_VALUE && GetLastError() == ERROR_PATH_NOT_FOUND)
{
create_directories( path );
handle = CreateFileW( path, GENERIC_WRITE, 0, NULL, CREATE_ALWAYS, 0, NULL );
}
if (handle != INVALID_HANDLE_VALUE)
{
TRACE( "creating %s\n", debugstr_w(path) );
ret = (WriteFile( handle, data, len, &written, NULL ) && written == len);
if (!ret) ERR( "failed to write to %s (error=%u)\n", debugstr_w(path), GetLastError() );
CloseHandle( handle );
if (!ret) DeleteFileW( path );
}
HeapFree( GetProcessHeap(), 0, path );
return ret;
}
struct dll_data {
const WCHAR *name;
const void *data;
SIZE_T size;
};
static BOOL CALLBACK register_manifest( HMODULE module, const WCHAR *type, WCHAR *res_name, LONG_PTR arg )
{
#ifdef __i386__
static const char current_arch[] = "x86";
#elif defined __x86_64__
static const char current_arch[] = "amd64";
#elif defined __arm__
static const char current_arch[] = "arm";
#elif defined __aarch64__
static const char current_arch[] = "arm64";
#else
static const char current_arch[] = "none";
#endif
static const WCHAR manifestW[] = {'W','I','N','E','_','M','A','N','I','F','E','S','T'};
const struct dll_data *dll_data = (const struct dll_data*)arg;
xmlbuf_t buffer;
xmlstr_t elem, attr_name, attr_value;
xmlstr_t name, version, arch, key, lang;
BOOL end = FALSE, error;
const char *manifest;
SIZE_T len;
HRSRC rsrc;
if (IS_INTRESOURCE( res_name ) || wcsncmp( res_name, manifestW, ARRAY_SIZE( manifestW )))
return TRUE;
rsrc = FindResourceW( module, res_name, type );
manifest = LoadResource( module, rsrc );
len = SizeofResource( module, rsrc );
buffer.ptr = manifest;
buffer.end = manifest + len;
name.ptr = version.ptr = arch.ptr = key.ptr = lang.ptr = NULL;
name.len = version.len = arch.len = key.len = lang.len = 0;
while (next_xml_elem( &buffer, &elem ))
{
if (!xmlstr_cmp( &elem, "assemblyIdentity" )) continue;
while (next_xml_attr( &buffer, &attr_name, &attr_value, &error, &end ))
{
if (xmlstr_cmp(&attr_name, "name")) name = attr_value;
else if (xmlstr_cmp(&attr_name, "version")) version = attr_value;
else if (xmlstr_cmp(&attr_name, "processorArchitecture")) arch = attr_value;
else if (xmlstr_cmp(&attr_name, "publicKeyToken")) key = attr_value;
else if (xmlstr_cmp(&attr_name, "language")) lang = attr_value;
}
if (!error && name.ptr && version.ptr && arch.ptr && key.ptr)
{
if (!lang.ptr)
{
lang.ptr = "none";
lang.len = strlen( lang.ptr );
}
if (!arch.len) /* fixup the architecture */
{
char *new_buffer = HeapAlloc( GetProcessHeap(), 0, len + sizeof(current_arch) );
memcpy( new_buffer, manifest, arch.ptr - manifest );
strcpy( new_buffer + (arch.ptr - manifest), current_arch );
memcpy( new_buffer + strlen(new_buffer), arch.ptr, len - (arch.ptr - manifest) );
arch.ptr = current_arch;
arch.len = strlen( current_arch );
if (create_winsxs_dll( dll_data->name, &arch, &name, &key, &version, &lang, dll_data->data, dll_data->size ))
create_manifest( &arch, &name, &key, &version, &lang, new_buffer, len + arch.len );
HeapFree( GetProcessHeap(), 0, new_buffer );
}
else
{
if (create_winsxs_dll( dll_data->name, &arch, &name, &key, &version, &lang, dll_data->data, dll_data->size ))
create_manifest( &arch, &name, &key, &version, &lang, manifest, len );
}
}
}
return TRUE;
}
static BOOL CALLBACK register_resource( HMODULE module, LPCWSTR type, LPWSTR name, LONG_PTR arg )
{
HRESULT *hr = (HRESULT *)arg;
WCHAR *buffer;
HRSRC rsrc = FindResourceW( module, name, type );
char *str = LoadResource( module, rsrc );
DWORD lenW, lenA = SizeofResource( module, rsrc );
if (!str) return FALSE;
lenW = MultiByteToWideChar( CP_UTF8, 0, str, lenA, NULL, 0 ) + 1;
if (!(buffer = HeapAlloc( GetProcessHeap(), 0, lenW * sizeof(WCHAR) ))) return FALSE;
MultiByteToWideChar( CP_UTF8, 0, str, lenA, buffer, lenW );
buffer[lenW - 1] = 0;
*hr = IRegistrar_StringRegister( registrar, buffer );
HeapFree( GetProcessHeap(), 0, buffer );
return TRUE;
}
static void register_fake_dll( const WCHAR *name, const void *data, size_t size )
{
static const WCHAR atlW[] = {'a','t','l','1','0','0','.','d','l','l',0};
static const WCHAR moduleW[] = {'M','O','D','U','L','E',0};
static const WCHAR regtypeW[] = {'W','I','N','E','_','R','E','G','I','S','T','R','Y',0};
const IMAGE_RESOURCE_DIRECTORY *resdir;
LDR_RESOURCE_INFO info;
HRESULT hr = S_OK;
HMODULE module = (HMODULE)((ULONG_PTR)data | 1);
struct dll_data dll_data = { name, data, size };
EnumResourceNamesW( module, (WCHAR*)RT_MANIFEST, register_manifest, (LONG_PTR)&dll_data );
info.Type = (ULONG_PTR)regtypeW;
if (LdrFindResourceDirectory_U( module, &info, 1, &resdir )) return;
if (!registrar)
{
HRESULT (WINAPI *pAtlCreateRegistrar)(IRegistrar**);
HMODULE atl = LoadLibraryW( atlW );
if ((pAtlCreateRegistrar = (void *)GetProcAddress( atl, "AtlCreateRegistrar" )))
hr = pAtlCreateRegistrar( &registrar );
else
hr = E_NOINTERFACE;
if (!registrar)
{
ERR( "failed to create IRegistrar: %x\n", hr );
return;
}
}
TRACE( "registering %s\n", debugstr_w(name) );
IRegistrar_ClearReplacements( registrar );
IRegistrar_AddReplacement( registrar, moduleW, name );
EnumResourceNamesW( module, regtypeW, register_resource, (LONG_PTR)&hr );
if (FAILED(hr)) ERR( "failed to register %s: %x\n", debugstr_w(name), hr );
}
/* copy a fake dll file to the dest directory */
static int install_fake_dll( WCHAR *dest, WCHAR *file, const WCHAR *ext, BOOL expect_builtin )
{
static const WCHAR sixteenW[] = {'1','6',0};
int ret;
SIZE_T size;
void *data;
DWORD written;
WCHAR *destname = dest + lstrlenW(dest);
WCHAR *name = wcsrchr( file, '\\' ) + 1;
WCHAR *end = name + lstrlenW(name);
if (ext) lstrcpyW( end, ext );
if (!(ret = read_file( file, &data, &size, expect_builtin ))) return 0;
if (end > name + 2 && !wcsncmp( end - 2, sixteenW, 2 )) end -= 2; /* remove "16" suffix */
memcpy( destname, name, (end - name) * sizeof(WCHAR) );
destname[end - name] = 0;
if (!add_handled_dll( destname )) ret = -1;
if (ret != -1)
{
HANDLE h = create_dest_file( dest );
if (h && h != INVALID_HANDLE_VALUE)
{
TRACE( "%s -> %s\n", debugstr_w(file), debugstr_w(dest) );
ret = (WriteFile( h, data, size, &written, NULL ) && written == size);
if (!ret) ERR( "failed to write to %s (error=%u)\n", debugstr_w(dest), GetLastError() );
CloseHandle( h );
if (ret) register_fake_dll( dest, data, size );
else DeleteFileW( dest );
}
}
*destname = 0; /* restore it for next file */
return ret;
}
/* find and install all fake dlls in a given lib directory */
static void install_lib_dir( WCHAR *dest, WCHAR *file, const WCHAR *default_ext, BOOL expect_builtin )
{
static const WCHAR starW[] = {'*',0};
static const WCHAR backslashW[] = {'\\',0};
static const WCHAR dotW[] = {'.',0};
static const WCHAR dotdotW[] = {'.','.',0};
WCHAR *name;
intptr_t handle;
struct _wfinddata_t data;
file[1] = '\\'; /* change \??\ to \\?\ */
name = file + lstrlenW(file);
*name++ = '\\';
lstrcpyW( name, starW );
if ((handle = _wfindfirst( file, &data )) == -1) return;
do
{
if (lstrlenW( data.name ) > max_dll_name_len) continue;
if (!wcscmp( data.name, dotW )) continue;
if (!wcscmp( data.name, dotdotW )) continue;
lstrcpyW( name, data.name );
if (default_ext) /* inside build dir */
{
lstrcatW( name, backslashW );
lstrcatW( name, data.name );
if (!wcschr( data.name, '.' )) lstrcatW( name, default_ext );
if (!install_fake_dll( dest, file, NULL, expect_builtin ))
install_fake_dll( dest, file, fakeW, FALSE );
}
else install_fake_dll( dest, file, NULL, expect_builtin );
}
while (!_wfindnext( handle, &data ));
_findclose( handle );
}
/* create fake dlls in dirname for all the files we can find */
static BOOL create_wildcard_dlls( const WCHAR *dirname )
{
const WCHAR *build_dir = _wgetenv( winebuilddirW );
const WCHAR *path;
unsigned int i, maxlen = 0;
WCHAR *file, *dest;
if (build_dir) maxlen = lstrlenW(build_dir) + ARRAY_SIZE(programsW) + 1;
for (i = 0; (path = enum_load_path(i)); i++) maxlen = max( maxlen, lstrlenW(path) );
maxlen += 2 * max_dll_name_len + 2 + 10; /* ".dll.fake" */
if (!(file = HeapAlloc( GetProcessHeap(), 0, maxlen * sizeof(WCHAR) ))) return FALSE;
if (!(dest = HeapAlloc( GetProcessHeap(), 0, (lstrlenW(dirname) + max_dll_name_len) * sizeof(WCHAR) )))
{
HeapFree( GetProcessHeap(), 0, file );
return FALSE;
}
lstrcpyW( dest, dirname );
dest[lstrlenW(dest) - 1] = 0; /* remove wildcard */
if (build_dir)
{
lstrcpyW( file, build_dir );
lstrcatW( file, dllsW );
install_lib_dir( dest, file, dllW, TRUE );
lstrcpyW( file, build_dir );
lstrcatW( file, programsW );
install_lib_dir( dest, file, exeW, TRUE );
}
for (i = 0; (path = enum_load_path( i )); i++)
{
lstrcpyW( file, path );
install_lib_dir( dest, file, NULL, TRUE );
lstrcpyW( file, path );
lstrcatW( file, fakedllsW );
install_lib_dir( dest, file, NULL, FALSE );
}
HeapFree( GetProcessHeap(), 0, file );
HeapFree( GetProcessHeap(), 0, dest );
return TRUE;
}
/***********************************************************************
* create_fake_dll
*/
BOOL create_fake_dll( const WCHAR *name, const WCHAR *source )
{
HANDLE h;
BOOL ret;
SIZE_T size;
const WCHAR *filename;
void *buffer;
if (!(filename = wcsrchr( name, '\\' ))) filename = name;
else filename++;
/* check for empty name which means to only create the directory */
if (!filename[0])
{
create_directories( name );
return TRUE;
}
if (filename[0] == '*' && !filename[1]) return create_wildcard_dlls( name );
add_handled_dll( filename );
if (!(h = create_dest_file( name ))) return TRUE; /* not a fake dll */
if (h == INVALID_HANDLE_VALUE) return FALSE;
if (source[0] == '-' && !source[1])
{
/* '-' source means delete the file */
TRACE( "deleting %s\n", debugstr_w(name) );
ret = FALSE;
}
else if ((buffer = load_fake_dll( source, &size )))
{
DWORD written;
ret = (WriteFile( h, buffer, size, &written, NULL ) && written == size);
if (ret) register_fake_dll( name, buffer, size );
else ERR( "failed to write to %s (error=%u)\n", debugstr_w(name), GetLastError() );
}
else
{
WARN( "fake dll %s not found for %s\n", debugstr_w(source), debugstr_w(name) );
ret = build_fake_dll( h, name );
}
CloseHandle( h );
if (!ret) DeleteFileW( name );
return ret;
}
/***********************************************************************
* cleanup_fake_dlls
*/
void cleanup_fake_dlls(void)
{
if (file_buffer) VirtualFree( file_buffer, 0, MEM_RELEASE );
file_buffer = NULL;
HeapFree( GetProcessHeap(), 0, handled_dlls );
handled_dlls = NULL;
handled_count = handled_total = 0;
if (registrar) IRegistrar_Release( registrar );
registrar = NULL;
}
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