2 * Creation of Wine fake dlls for apps that access the dll file directly.
4 * Copyright 2006, 2011 Alexandre Julliard
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
22 #include "wine/port.h"
29 #ifdef HAVE_SYS_STAT_H
30 # include <sys/stat.h>
38 #define NONAMELESSSTRUCT
39 #define NONAMELESSUNION
41 #define WIN32_NO_STATUS
47 #include "wine/unicode.h"
48 #include "wine/library.h"
49 #include "wine/debug.h"
53 WINE_DEFAULT_DEBUG_CHANNEL(setupapi);
55 static const char fakedll_signature[] = "Wine placeholder DLL";
57 static const unsigned int file_alignment = 512;
58 static const unsigned int section_alignment = 4096;
59 static const unsigned int max_dll_name_len = 64;
61 static void *file_buffer;
62 static SIZE_T file_buffer_size;
63 static unsigned int handled_count;
64 static unsigned int handled_total;
65 static char **handled_dlls;
66 static IRegistrar *registrar;
76 #define ALIGN(size,align) (((size) + (align) - 1) & ~((align) - 1))
78 /* contents of the dll sections */
80 static const BYTE dll_code_section[] = { 0x31, 0xc0, /* xor %eax,%eax */
81 0xc2, 0x0c, 0x00 }; /* ret $12 */
83 static const BYTE exe_code_section[] = { 0xb8, 0x01, 0x00, 0x00, 0x00, /* movl $1,%eax */
84 0xc2, 0x04, 0x00 }; /* ret $4 */
86 static const IMAGE_BASE_RELOCATION reloc_section; /* empty relocs */
89 /* wrapper for WriteFile */
90 static inline BOOL xwrite( struct dll_info *info, const void *data, DWORD size, DWORD offset )
94 return (SetFilePointer( info->handle, offset, NULL, FILE_BEGIN ) != INVALID_SET_FILE_POINTER &&
95 WriteFile( info->handle, data, size, &res, NULL ) &&
99 /* add a new section to the dll NT header */
100 static void add_section( struct dll_info *info, const char *name, DWORD size, DWORD flags )
102 IMAGE_SECTION_HEADER *sec = (IMAGE_SECTION_HEADER *)(info->nt + 1);
104 sec += info->nt->FileHeader.NumberOfSections;
105 memcpy( sec->Name, name, min( strlen(name), sizeof(sec->Name)) );
106 sec->Misc.VirtualSize = ALIGN( size, section_alignment );
107 sec->VirtualAddress = info->mem_pos;
108 sec->SizeOfRawData = size;
109 sec->PointerToRawData = info->file_pos;
110 sec->Characteristics = flags;
111 info->file_pos += ALIGN( size, file_alignment );
112 info->mem_pos += ALIGN( size, section_alignment );
113 info->nt->FileHeader.NumberOfSections++;
116 /* add a data directory to the dll NT header */
117 static inline void add_directory( struct dll_info *info, unsigned int idx, DWORD rva, DWORD size )
119 info->nt->OptionalHeader.DataDirectory[idx].VirtualAddress = rva;
120 info->nt->OptionalHeader.DataDirectory[idx].Size = size;
123 /* convert a dll name W->A without depending on the current codepage */
124 static char *dll_name_WtoA( char *nameA, const WCHAR *nameW, unsigned int len )
128 for (i = 0; i < len; i++)
131 if (nameW[i] > 127) return NULL;
132 if (c >= 'A' && c <= 'Z') c += 'a' - 'A';
139 /* convert a dll name A->W without depending on the current codepage */
140 static WCHAR *dll_name_AtoW( WCHAR *nameW, const char *nameA, unsigned int len )
144 for (i = 0; i < len; i++) nameW[i] = nameA[i];
149 /* add a dll to the list of dll that have been taken care of */
150 static BOOL add_handled_dll( const WCHAR *name )
152 unsigned int len = strlenW( name );
153 int i, min, max, pos, res;
156 if (!(nameA = HeapAlloc( GetProcessHeap(), 0, len + 1 ))) return FALSE;
157 if (!dll_name_WtoA( nameA, name, len )) goto failed;
160 max = handled_count - 1;
163 pos = (min + max) / 2;
164 res = strcmp( handled_dlls[pos], nameA );
165 if (!res) goto failed; /* already in the list */
166 if (res < 0) min = pos + 1;
170 if (handled_count >= handled_total)
173 unsigned int new_count = max( 64, handled_total * 2 );
175 if (handled_dlls) new_dlls = HeapReAlloc( GetProcessHeap(), 0, handled_dlls,
176 new_count * sizeof(*handled_dlls) );
177 else new_dlls = HeapAlloc( GetProcessHeap(), 0, new_count * sizeof(*handled_dlls) );
178 if (!new_dlls) goto failed;
179 handled_dlls = new_dlls;
180 handled_total = new_count;
183 for (i = handled_count; i > min; i--) handled_dlls[i] = handled_dlls[i - 1];
184 handled_dlls[i] = nameA;
189 HeapFree( GetProcessHeap(), 0, nameA );
193 /* read in the contents of a file into the global file buffer */
194 /* return 1 on success, 0 on nonexistent file, -1 on other error */
195 static int read_file( const char *name, void **data, SIZE_T *size )
200 IMAGE_DOS_HEADER *dos;
201 IMAGE_NT_HEADERS *nt;
202 const size_t min_size = sizeof(*dos) + sizeof(fakedll_signature) +
203 FIELD_OFFSET( IMAGE_NT_HEADERS, OptionalHeader.MajorLinkerVersion );
205 if ((fd = open( name, O_RDONLY | O_BINARY )) == -1) return 0;
206 if (fstat( fd, &st ) == -1) goto done;
208 if (!file_buffer || st.st_size > file_buffer_size)
210 VirtualFree( file_buffer, 0, MEM_RELEASE );
212 file_buffer_size = st.st_size;
213 if (NtAllocateVirtualMemory( GetCurrentProcess(), &file_buffer, 0, &file_buffer_size,
214 MEM_COMMIT, PAGE_READWRITE )) goto done;
217 /* check for valid fake dll file */
219 if (st.st_size < min_size) goto done;
220 header_size = min( st.st_size, 4096 );
221 if (pread( fd, file_buffer, header_size, 0 ) != header_size) goto done;
223 if (dos->e_magic != IMAGE_DOS_SIGNATURE) goto done;
224 if (dos->e_lfanew < sizeof(fakedll_signature)) goto done;
225 if (memcmp( dos + 1, fakedll_signature, sizeof(fakedll_signature) )) goto done;
226 if (dos->e_lfanew + FIELD_OFFSET(IMAGE_NT_HEADERS,OptionalHeader.MajorLinkerVersion) > header_size)
228 nt = (IMAGE_NT_HEADERS *)((char *)file_buffer + dos->e_lfanew);
229 if (nt->Signature == IMAGE_NT_SIGNATURE && nt->OptionalHeader.Magic != IMAGE_NT_OPTIONAL_HDR_MAGIC)
231 /* wrong 32/64 type, pretend it doesn't exist */
235 if (st.st_size == header_size ||
236 pread( fd, (char *)file_buffer + header_size,
237 st.st_size - header_size, header_size ) == st.st_size - header_size)
247 /* build a complete fake dll from scratch */
248 static BOOL build_fake_dll( HANDLE file )
250 IMAGE_DOS_HEADER *dos;
251 IMAGE_NT_HEADERS *nt;
252 struct dll_info info;
255 DWORD lfanew = (sizeof(*dos) + sizeof(fakedll_signature) + 15) & ~15;
256 DWORD size, header_size = lfanew + sizeof(*nt);
259 buffer = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, header_size + 8 * sizeof(IMAGE_SECTION_HEADER) );
261 dos = (IMAGE_DOS_HEADER *)buffer;
262 dos->e_magic = IMAGE_DOS_SIGNATURE;
263 dos->e_cblp = sizeof(*dos);
265 dos->e_cparhdr = lfanew / 16;
267 dos->e_maxalloc = 0xffff;
270 dos->e_lfarlc = lfanew;
271 dos->e_lfanew = lfanew;
272 memcpy( dos + 1, fakedll_signature, sizeof(fakedll_signature) );
274 nt = info.nt = (IMAGE_NT_HEADERS *)(buffer + lfanew);
275 /* some fields are copied from the source dll */
277 nt->FileHeader.Machine = IMAGE_FILE_MACHINE_AMD64;
279 nt->FileHeader.Machine = IMAGE_FILE_MACHINE_I386;
281 nt->FileHeader.TimeDateStamp = 0;
282 nt->FileHeader.Characteristics = IMAGE_FILE_DLL;
283 nt->OptionalHeader.MajorLinkerVersion = 1;
284 nt->OptionalHeader.MinorLinkerVersion = 0;
285 nt->OptionalHeader.MajorOperatingSystemVersion = 1;
286 nt->OptionalHeader.MinorOperatingSystemVersion = 0;
287 nt->OptionalHeader.MajorImageVersion = 1;
288 nt->OptionalHeader.MinorImageVersion = 0;
289 nt->OptionalHeader.MajorSubsystemVersion = 4;
290 nt->OptionalHeader.MinorSubsystemVersion = 0;
291 nt->OptionalHeader.Win32VersionValue = 0;
292 nt->OptionalHeader.Subsystem = IMAGE_SUBSYSTEM_WINDOWS_GUI;
293 nt->OptionalHeader.DllCharacteristics = 0;
294 nt->OptionalHeader.SizeOfStackReserve = 0;
295 nt->OptionalHeader.SizeOfStackCommit = 0;
296 nt->OptionalHeader.SizeOfHeapReserve = 0;
297 nt->OptionalHeader.SizeOfHeapCommit = 0;
298 /* other fields have fixed values */
299 nt->Signature = IMAGE_NT_SIGNATURE;
300 nt->FileHeader.NumberOfSections = 0;
301 nt->FileHeader.SizeOfOptionalHeader = IMAGE_SIZEOF_NT_OPTIONAL_HEADER;
302 nt->OptionalHeader.Magic = IMAGE_NT_OPTIONAL_HDR_MAGIC;
303 nt->OptionalHeader.ImageBase = 0x10000000;
304 nt->OptionalHeader.SectionAlignment = section_alignment;
305 nt->OptionalHeader.FileAlignment = file_alignment;
306 nt->OptionalHeader.NumberOfRvaAndSizes = IMAGE_NUMBEROF_DIRECTORY_ENTRIES;
308 header_size = (BYTE *)(nt + 1) - buffer;
309 info.mem_pos = ALIGN( header_size, section_alignment );
310 info.file_pos = ALIGN( header_size, file_alignment );
312 nt->OptionalHeader.AddressOfEntryPoint = info.mem_pos;
313 nt->OptionalHeader.BaseOfCode = info.mem_pos;
315 if (nt->FileHeader.Characteristics & IMAGE_FILE_DLL)
317 size = sizeof(dll_code_section);
318 if (!xwrite( &info, dll_code_section, size, info.file_pos )) goto done;
322 size = sizeof(exe_code_section);
323 if (!xwrite( &info, exe_code_section, size, info.file_pos )) goto done;
325 nt->OptionalHeader.SizeOfCode = size;
326 add_section( &info, ".text", size, IMAGE_SCN_CNT_CODE | IMAGE_SCN_MEM_EXECUTE | IMAGE_SCN_MEM_READ );
328 if (!xwrite( &info, &reloc_section, sizeof(reloc_section), info.file_pos )) goto done;
329 add_directory( &info, IMAGE_DIRECTORY_ENTRY_BASERELOC, info.mem_pos, sizeof(reloc_section) );
330 add_section( &info, ".reloc", sizeof(reloc_section),
331 IMAGE_SCN_CNT_INITIALIZED_DATA | IMAGE_SCN_MEM_DISCARDABLE | IMAGE_SCN_MEM_READ );
333 header_size += nt->FileHeader.NumberOfSections * sizeof(IMAGE_SECTION_HEADER);
334 nt->OptionalHeader.SizeOfHeaders = ALIGN( header_size, file_alignment );
335 nt->OptionalHeader.SizeOfImage = ALIGN( info.mem_pos, section_alignment );
336 ret = xwrite( &info, buffer, header_size, 0 );
338 HeapFree( GetProcessHeap(), 0, buffer );
342 /* check if an existing file is a fake dll so that we can overwrite it */
343 static BOOL is_fake_dll( HANDLE h )
345 IMAGE_DOS_HEADER *dos;
347 BYTE buffer[sizeof(*dos) + sizeof(fakedll_signature)];
349 if (!ReadFile( h, buffer, sizeof(buffer), &size, NULL ) || size != sizeof(buffer))
351 dos = (IMAGE_DOS_HEADER *)buffer;
352 if (dos->e_magic != IMAGE_DOS_SIGNATURE) return FALSE;
353 if (dos->e_lfanew < size) return FALSE;
354 return !memcmp( dos + 1, fakedll_signature, sizeof(fakedll_signature) );
357 /* create directories leading to a given file */
358 static void create_directories( const WCHAR *name )
362 /* create the directory/directories */
363 path = HeapAlloc(GetProcessHeap(), 0, (strlenW(name) + 1)*sizeof(WCHAR));
366 p = strchrW(path, '\\');
370 if (!CreateDirectoryW(path, NULL))
371 TRACE("Couldn't create directory %s - error: %d\n", wine_dbgstr_w(path), GetLastError());
373 p = strchrW(p+1, '\\');
375 HeapFree(GetProcessHeap(), 0, path);
378 static inline char *prepend( char *buffer, const char *str, size_t len )
380 return memcpy( buffer - len, str, len );
383 /* try to load a pre-compiled fake dll */
384 static void *load_fake_dll( const WCHAR *name, SIZE_T *size )
386 const char *build_dir = wine_get_build_dir();
390 unsigned int i, pos, len, namelen, maxlen = 0;
394 if ((p = strrchrW( name, '\\' ))) name = p + 1;
397 if (build_dir) maxlen = strlen(build_dir) + sizeof("/programs/") + strlenW(name);
398 while ((path = wine_dll_enum_load_path( i++ ))) maxlen = max( maxlen, strlen(path) );
399 maxlen += sizeof("/fakedlls") + strlenW(name) + 2;
401 if (!(file = HeapAlloc( GetProcessHeap(), 0, maxlen ))) return NULL;
403 len = strlenW( name );
404 pos = maxlen - len - sizeof(".fake");
405 if (!dll_name_WtoA( file + pos, name, len )) goto done;
410 strcpy( file + pos + len + 1, ".fake" );
415 if (namelen > 4 && !memcmp( ptr + namelen - 4, ".dll", 4 )) namelen -= 4;
416 ptr = prepend( ptr, ptr, namelen );
417 ptr = prepend( ptr, "/dlls", sizeof("/dlls") - 1 );
418 ptr = prepend( ptr, build_dir, strlen(build_dir) );
419 if ((res = read_file( ptr, &data, size ))) goto done;
421 /* now as a program */
424 if (namelen > 4 && !memcmp( ptr + namelen - 4, ".exe", 4 )) namelen -= 4;
425 ptr = prepend( ptr, ptr, namelen );
426 ptr = prepend( ptr, "/programs", sizeof("/programs") - 1 );
427 ptr = prepend( ptr, build_dir, strlen(build_dir) );
428 if ((res = read_file( ptr, &data, size ))) goto done;
431 file[pos + len + 1] = 0;
432 for (i = 0; (path = wine_dll_enum_load_path( i )); i++)
434 ptr = prepend( file + pos, "/fakedlls", sizeof("/fakedlls") - 1 );
435 ptr = prepend( ptr, path, strlen(path) );
436 if ((res = read_file( ptr, &data, size ))) break;
440 HeapFree( GetProcessHeap(), 0, file );
441 if (res == 1) return data;
445 /* create the fake dll destination file */
446 static HANDLE create_dest_file( const WCHAR *name )
448 /* first check for an existing file */
449 HANDLE h = CreateFileW( name, GENERIC_READ|GENERIC_WRITE, 0, NULL, OPEN_EXISTING, 0, NULL );
450 if (h != INVALID_HANDLE_VALUE)
452 if (!is_fake_dll( h ))
454 TRACE( "%s is not a fake dll, not overwriting it\n", debugstr_w(name) );
458 /* truncate the file */
459 SetFilePointer( h, 0, NULL, FILE_BEGIN );
464 if (GetLastError() == ERROR_PATH_NOT_FOUND) create_directories( name );
466 h = CreateFileW( name, GENERIC_WRITE, 0, NULL, CREATE_NEW, 0, NULL );
467 if (h == INVALID_HANDLE_VALUE)
468 ERR( "failed to create %s (error=%u)\n", debugstr_w(name), GetLastError() );
473 /* XML parsing code copied from ntdll */
487 static inline BOOL xmlstr_cmp(const xmlstr_t* xmlstr, const char *str)
489 return !strncmp(xmlstr->ptr, str, xmlstr->len) && !str[xmlstr->len];
492 static inline BOOL isxmlspace( char ch )
494 return (ch == ' ' || ch == '\r' || ch == '\n' || ch == '\t');
497 static BOOL next_xml_elem( xmlbuf_t *xmlbuf, xmlstr_t *elem )
503 ptr = memchr(xmlbuf->ptr, '<', xmlbuf->end - xmlbuf->ptr);
506 xmlbuf->ptr = xmlbuf->end;
510 if (ptr + 3 < xmlbuf->end && ptr[0] == '!' && ptr[1] == '-' && ptr[2] == '-') /* skip comment */
512 for (ptr += 3; ptr + 3 <= xmlbuf->end; ptr++)
513 if (ptr[0] == '-' && ptr[1] == '-' && ptr[2] == '>') break;
515 if (ptr + 3 > xmlbuf->end)
517 xmlbuf->ptr = xmlbuf->end;
520 xmlbuf->ptr = ptr + 3;
526 while (ptr < xmlbuf->end && !isxmlspace(*ptr) && *ptr != '>' && (*ptr != '/' || ptr == xmlbuf->ptr))
529 elem->ptr = xmlbuf->ptr;
530 elem->len = ptr - xmlbuf->ptr;
532 return xmlbuf->ptr != xmlbuf->end;
535 static BOOL next_xml_attr(xmlbuf_t* xmlbuf, xmlstr_t* name, xmlstr_t* value,
536 BOOL* error, BOOL* end)
542 while (xmlbuf->ptr < xmlbuf->end && isxmlspace(*xmlbuf->ptr))
545 if (xmlbuf->ptr == xmlbuf->end) return FALSE;
547 if (*xmlbuf->ptr == '/')
550 if (xmlbuf->ptr == xmlbuf->end || *xmlbuf->ptr != '>')
559 if (*xmlbuf->ptr == '>')
567 while (ptr < xmlbuf->end && *ptr != '=' && *ptr != '>' && !isxmlspace(*ptr)) ptr++;
569 if (ptr == xmlbuf->end || *ptr != '=') return FALSE;
571 name->ptr = xmlbuf->ptr;
572 name->len = ptr-xmlbuf->ptr;
576 if (ptr == xmlbuf->end || (*ptr != '"' && *ptr != '\'')) return FALSE;
579 if (ptr == xmlbuf->end) return FALSE;
581 ptr = memchr(ptr, ptr[-1], xmlbuf->end - ptr);
584 xmlbuf->ptr = xmlbuf->end;
588 value->len = ptr - value->ptr;
589 xmlbuf->ptr = ptr + 1;
591 if (xmlbuf->ptr == xmlbuf->end) return FALSE;
597 static void get_manifest_filename( const xmlstr_t *arch, const xmlstr_t *name, const xmlstr_t *key,
598 const xmlstr_t *version, const xmlstr_t *lang, WCHAR *buffer, DWORD size )
600 static const WCHAR trailerW[] = {'_','d','e','a','d','b','e','e','f',0};
603 pos = MultiByteToWideChar( CP_UTF8, 0, arch->ptr, arch->len, buffer, size );
605 pos += MultiByteToWideChar( CP_UTF8, 0, name->ptr, name->len, buffer + pos, size - pos );
607 pos += MultiByteToWideChar( CP_UTF8, 0, key->ptr, key->len, buffer + pos, size - pos );
609 pos += MultiByteToWideChar( CP_UTF8, 0, version->ptr, version->len, buffer + pos, size - pos );
611 pos += MultiByteToWideChar( CP_UTF8, 0, lang->ptr, lang->len, buffer + pos, size - pos );
612 memcpy( buffer + pos, trailerW, sizeof(trailerW) );
616 static BOOL create_winsxs_dll( const WCHAR *dll_name, const xmlstr_t *arch, const xmlstr_t *name,
617 const xmlstr_t *key, const xmlstr_t *version, const xmlstr_t *lang,
618 const void *dll_data, size_t dll_size )
620 static const WCHAR winsxsW[] = {'w','i','n','s','x','s','\\'};
622 const WCHAR *filename;
623 DWORD pos, written, path_len;
627 if (!(filename = strrchrW( dll_name, '\\' ))) filename = dll_name;
630 path_len = GetWindowsDirectoryW( NULL, 0 ) + 1 + sizeof(winsxsW)/sizeof(WCHAR)
631 + arch->len + name->len + key->len + version->len + 18 + strlenW( filename ) + 1;
633 path = HeapAlloc( GetProcessHeap(), 0, path_len * sizeof(WCHAR) );
634 pos = GetWindowsDirectoryW( path, path_len );
636 memcpy( path + pos, winsxsW, sizeof(winsxsW) );
637 pos += sizeof(winsxsW) / sizeof(WCHAR);
638 get_manifest_filename( arch, name, key, version, lang, path + pos, path_len - pos );
639 pos += strlenW( path + pos );
641 strcpyW( path + pos, filename );
642 handle = create_dest_file( path );
643 if (handle && handle != INVALID_HANDLE_VALUE)
645 TRACE( "creating %s\n", debugstr_w(path) );
646 ret = (WriteFile( handle, dll_data, dll_size, &written, NULL ) && written == dll_size);
647 if (!ret) ERR( "failed to write to %s (error=%u)\n", debugstr_w(path), GetLastError() );
648 CloseHandle( handle );
649 if (!ret) DeleteFileW( path );
651 HeapFree( GetProcessHeap(), 0, path );
655 static BOOL create_manifest( const xmlstr_t *arch, const xmlstr_t *name, const xmlstr_t *key,
656 const xmlstr_t *version, const xmlstr_t *lang, const void *data, DWORD len )
658 static const WCHAR winsxsW[] = {'w','i','n','s','x','s','\\','m','a','n','i','f','e','s','t','s','\\'};
659 static const WCHAR extensionW[] = {'.','m','a','n','i','f','e','s','t',0};
661 DWORD pos, written, path_len;
665 path_len = GetWindowsDirectoryW( NULL, 0 ) + 1 + sizeof(winsxsW)/sizeof(WCHAR)
666 + arch->len + name->len + key->len + version->len + 18 + sizeof(extensionW)/sizeof(WCHAR);
668 path = HeapAlloc( GetProcessHeap(), 0, path_len * sizeof(WCHAR) );
669 pos = GetWindowsDirectoryW( path, MAX_PATH );
671 memcpy( path + pos, winsxsW, sizeof(winsxsW) );
672 pos += sizeof(winsxsW) / sizeof(WCHAR);
673 get_manifest_filename( arch, name, key, version, lang, path + pos, MAX_PATH - pos );
674 strcatW( path + pos, extensionW );
675 handle = CreateFileW( path, GENERIC_WRITE, 0, NULL, CREATE_ALWAYS, 0, NULL );
676 if (handle == INVALID_HANDLE_VALUE && GetLastError() == ERROR_PATH_NOT_FOUND)
678 create_directories( path );
679 handle = CreateFileW( path, GENERIC_WRITE, 0, NULL, CREATE_ALWAYS, 0, NULL );
682 if (handle != INVALID_HANDLE_VALUE)
684 TRACE( "creating %s\n", debugstr_w(path) );
685 ret = (WriteFile( handle, data, len, &written, NULL ) && written == len);
686 if (!ret) ERR( "failed to write to %s (error=%u)\n", debugstr_w(path), GetLastError() );
687 CloseHandle( handle );
688 if (!ret) DeleteFileW( path );
690 HeapFree( GetProcessHeap(), 0, path );
694 static void register_manifest( const WCHAR *dll_name, const char *manifest, DWORD len,
695 const void *dll_data, size_t dll_size )
698 static const char current_arch[] = "x86";
699 #elif defined __x86_64__
700 static const char current_arch[] = "amd64";
702 static const char current_arch[] = "none";
705 xmlstr_t elem, attr_name, attr_value;
706 xmlstr_t name, version, arch, key, lang;
707 BOOL end = FALSE, error;
709 buffer.ptr = manifest;
710 buffer.end = manifest + len;
711 name.ptr = version.ptr = arch.ptr = key.ptr = lang.ptr = NULL;
712 name.len = version.len = arch.len = key.len = lang.len = 0;
714 while (next_xml_elem( &buffer, &elem ))
716 if (!xmlstr_cmp( &elem, "assemblyIdentity" )) continue;
717 while (next_xml_attr( &buffer, &attr_name, &attr_value, &error, &end ))
719 if (xmlstr_cmp(&attr_name, "name")) name = attr_value;
720 else if (xmlstr_cmp(&attr_name, "version")) version = attr_value;
721 else if (xmlstr_cmp(&attr_name, "processorArchitecture")) arch = attr_value;
722 else if (xmlstr_cmp(&attr_name, "publicKeyToken")) key = attr_value;
723 else if (xmlstr_cmp(&attr_name, "language")) lang = attr_value;
725 if (!error && name.ptr && version.ptr && arch.ptr && key.ptr)
730 lang.len = strlen( lang.ptr );
732 if (!arch.len) /* fixup the architecture */
734 char *new_buffer = HeapAlloc( GetProcessHeap(), 0, len + sizeof(current_arch) );
735 memcpy( new_buffer, manifest, arch.ptr - manifest );
736 strcpy( new_buffer + (arch.ptr - manifest), current_arch );
737 memcpy( new_buffer + strlen(new_buffer), arch.ptr, len - (arch.ptr - manifest) );
738 arch.ptr = current_arch;
739 arch.len = strlen( current_arch );
740 if (create_winsxs_dll( dll_name, &arch, &name, &key, &version, &lang, dll_data, dll_size ))
741 create_manifest( &arch, &name, &key, &version, &lang, new_buffer, len + arch.len );
742 HeapFree( GetProcessHeap(), 0, new_buffer );
746 if (create_winsxs_dll( dll_name, &arch, &name, &key, &version, &lang, dll_data, dll_size ))
747 create_manifest( &arch, &name, &key, &version, &lang, manifest, len );
753 static BOOL CALLBACK register_resource( HMODULE module, LPCWSTR type, LPWSTR name, LONG_PTR arg )
755 HRESULT *hr = (HRESULT *)arg;
757 HRSRC rsrc = FindResourceW( module, name, type );
758 char *str = LoadResource( module, rsrc );
759 DWORD lenW, lenA = SizeofResource( module, rsrc );
761 if (!str) return FALSE;
762 lenW = MultiByteToWideChar( CP_UTF8, 0, str, lenA, NULL, 0 ) + 1;
763 if (!(buffer = HeapAlloc( GetProcessHeap(), 0, lenW * sizeof(WCHAR) ))) return FALSE;
764 MultiByteToWideChar( CP_UTF8, 0, str, lenA, buffer, lenW );
765 buffer[lenW - 1] = 0;
766 *hr = IRegistrar_StringRegister( registrar, buffer );
767 HeapFree( GetProcessHeap(), 0, buffer );
771 static void register_fake_dll( const WCHAR *name, const void *data, size_t size )
773 static const WCHAR atlW[] = {'a','t','l','.','d','l','l',0};
774 static const WCHAR moduleW[] = {'M','O','D','U','L','E',0};
775 static const WCHAR regtypeW[] = {'W','I','N','E','_','R','E','G','I','S','T','R','Y',0};
776 static const WCHAR manifestW[] = {'W','I','N','E','_','M','A','N','I','F','E','S','T',0};
777 const IMAGE_RESOURCE_DIRECTORY *resdir;
778 LDR_RESOURCE_INFO info;
780 HMODULE module = (HMODULE)((ULONG_PTR)data | 1);
783 if ((rsrc = FindResourceW( module, manifestW, MAKEINTRESOURCEW(RT_MANIFEST) )))
785 char *manifest = LoadResource( module, rsrc );
786 register_manifest( name, manifest, SizeofResource( module, rsrc ), data, size );
789 info.Type = (ULONG_PTR)regtypeW;
790 if (LdrFindResourceDirectory_U( module, &info, 1, &resdir )) return;
794 /* create the object by hand since we can't guarantee that atl and ole32 are registered */
796 HRESULT (WINAPI *pDllGetClassObject)( REFCLSID clsid, REFIID iid, LPVOID *ppv );
797 HMODULE atl = LoadLibraryW( atlW );
799 if ((pDllGetClassObject = (void *)GetProcAddress( atl, "DllGetClassObject" )))
801 hr = pDllGetClassObject( &CLSID_Registrar, &IID_IClassFactory, (void **)&cf );
804 hr = IClassFactory_CreateInstance( cf, NULL, &IID_IRegistrar, (void **)®istrar );
805 IClassFactory_Release( cf );
810 ERR( "failed to create IRegistrar: %x\n", hr );
815 TRACE( "registering %s\n", debugstr_w(name) );
816 IRegistrar_ClearReplacements( registrar );
817 IRegistrar_AddReplacement( registrar, moduleW, name );
818 EnumResourceNamesW( module, regtypeW, register_resource, (LONG_PTR)&hr );
819 if (FAILED(hr)) ERR( "failed to register %s: %x\n", debugstr_w(name), hr );
822 /* copy a fake dll file to the dest directory */
823 static void install_fake_dll( WCHAR *dest, char *file, const char *ext )
829 WCHAR *destname = dest + strlenW(dest);
830 char *name = strrchr( file, '/' ) + 1;
831 char *end = name + strlen(name);
833 if (ext) strcpy( end, ext );
834 if (!(ret = read_file( file, &data, &size ))) return;
836 if (end > name + 2 && !strncmp( end - 2, "16", 2 )) end -= 2; /* remove "16" suffix */
837 dll_name_AtoW( destname, name, end - name );
838 if (!add_handled_dll( destname )) ret = -1;
842 HANDLE h = create_dest_file( dest );
844 if (h && h != INVALID_HANDLE_VALUE)
846 TRACE( "%s -> %s\n", debugstr_a(file), debugstr_w(dest) );
848 ret = (WriteFile( h, data, size, &written, NULL ) && written == size);
849 if (!ret) ERR( "failed to write to %s (error=%u)\n", debugstr_w(dest), GetLastError() );
851 if (ret) register_fake_dll( dest, data, size );
852 else DeleteFileW( dest );
855 *destname = 0; /* restore it for next file */
858 /* find and install all fake dlls in a given lib directory */
859 static void install_lib_dir( WCHAR *dest, char *file, const char *default_ext )
865 if (!(dir = opendir( file ))) return;
866 name = file + strlen(file);
868 while ((de = readdir( dir )))
870 if (strlen( de->d_name ) > max_dll_name_len) continue;
871 if (!strcmp( de->d_name, "." )) continue;
872 if (!strcmp( de->d_name, ".." )) continue;
873 strcpy( name, de->d_name );
874 if (default_ext) /* inside build dir */
877 strcat( name, de->d_name );
878 if (!strchr( de->d_name, '.' )) strcat( name, default_ext );
879 install_fake_dll( dest, file, ".fake" );
881 else install_fake_dll( dest, file, NULL );
886 /* create fake dlls in dirname for all the files we can find */
887 static BOOL create_wildcard_dlls( const WCHAR *dirname )
889 const char *build_dir = wine_get_build_dir();
891 unsigned int i, maxlen = 0;
895 if (build_dir) maxlen = strlen(build_dir) + sizeof("/programs/");
896 for (i = 0; (path = wine_dll_enum_load_path(i)); i++) maxlen = max( maxlen, strlen(path) );
897 maxlen += 2 * max_dll_name_len + 2 + sizeof(".dll.fake");
898 if (!(file = HeapAlloc( GetProcessHeap(), 0, maxlen ))) return FALSE;
900 if (!(dest = HeapAlloc( GetProcessHeap(), 0, (strlenW(dirname) + max_dll_name_len) * sizeof(WCHAR) )))
902 HeapFree( GetProcessHeap(), 0, file );
905 strcpyW( dest, dirname );
906 dest[strlenW(dest) - 1] = 0; /* remove wildcard */
910 strcpy( file, build_dir );
911 strcat( file, "/dlls" );
912 install_lib_dir( dest, file, ".dll" );
913 strcpy( file, build_dir );
914 strcat( file, "/programs" );
915 install_lib_dir( dest, file, ".exe" );
917 for (i = 0; (path = wine_dll_enum_load_path( i )); i++)
919 strcpy( file, path );
920 strcat( file, "/fakedlls" );
921 install_lib_dir( dest, file, NULL );
923 HeapFree( GetProcessHeap(), 0, file );
924 HeapFree( GetProcessHeap(), 0, dest );
928 /***********************************************************************
931 BOOL create_fake_dll( const WCHAR *name, const WCHAR *source )
936 const WCHAR *filename;
939 if (!(filename = strrchrW( name, '\\' ))) filename = name;
942 /* check for empty name which means to only create the directory */
945 create_directories( name );
948 if (filename[0] == '*' && !filename[1]) return create_wildcard_dlls( name );
950 add_handled_dll( filename );
952 if (!(h = create_dest_file( name ))) return TRUE; /* not a fake dll */
953 if (h == INVALID_HANDLE_VALUE) return FALSE;
955 if (source[0] == '-' && !source[1])
957 /* '-' source means delete the file */
958 TRACE( "deleting %s\n", debugstr_w(name) );
961 else if ((buffer = load_fake_dll( source, &size )))
965 ret = (WriteFile( h, buffer, size, &written, NULL ) && written == size);
966 if (ret) register_fake_dll( name, buffer, size );
967 else ERR( "failed to write to %s (error=%u)\n", debugstr_w(name), GetLastError() );
971 WARN( "fake dll %s not found for %s\n", debugstr_w(source), debugstr_w(name) );
972 ret = build_fake_dll( h );
976 if (!ret) DeleteFileW( name );
981 /***********************************************************************
984 void cleanup_fake_dlls(void)
986 if (file_buffer) VirtualFree( file_buffer, 0, MEM_RELEASE );
988 HeapFree( GetProcessHeap(), 0, handled_dlls );
990 handled_count = handled_total = 0;
991 if (registrar) IRegistrar_Release( registrar );