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regedit: An English (United States) spelling fix.
[wine/multimedia.git] / dlls / ntdll / loader.c
blob381e2ac49471ec2285cb3438b6c8052dd7719c0b
1 /*
2 * Loader functions
3 *
4 * Copyright 1995, 2003 Alexandre Julliard
5 * Copyright 2002 Dmitry Timoshkov for CodeWeavers
6 *
7 * This library is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
11 *
12 * This library is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
16 *
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with this library; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
20 */
21
22 #include "config.h"
23 #include "wine/port.h"
24
25 #include <assert.h>
26 #include <stdarg.h>
27 #ifdef HAVE_SYS_MMAN_H
28 # include <sys/mman.h>
29 #endif
30
31 #define NONAMELESSUNION
32 #define NONAMELESSSTRUCT
33
34 #include "ntstatus.h"
35 #define WIN32_NO_STATUS
36 #include "windef.h"
37 #include "winnt.h"
38 #include "winternl.h"
39
40 #include "wine/exception.h"
41 #include "wine/library.h"
42 #include "wine/unicode.h"
43 #include "wine/debug.h"
44 #include "wine/server.h"
45 #include "ntdll_misc.h"
46 #include "ddk/wdm.h"
47
48 WINE_DEFAULT_DEBUG_CHANNEL(module);
49 WINE_DECLARE_DEBUG_CHANNEL(relay);
50 WINE_DECLARE_DEBUG_CHANNEL(snoop);
51 WINE_DECLARE_DEBUG_CHANNEL(loaddll);
52 WINE_DECLARE_DEBUG_CHANNEL(imports);
53
54 /* we don't want to include winuser.h */
55 #define RT_MANIFEST ((ULONG_PTR)24)
56 #define ISOLATIONAWARE_MANIFEST_RESOURCE_ID ((ULONG_PTR)2)
57
58 typedef DWORD (CALLBACK *DLLENTRYPROC)(HMODULE,DWORD,LPVOID);
59
60 static int process_detaching = 0; /* set on process detach to avoid deadlocks with thread detach */
61 static int free_lib_count; /* recursion depth of LdrUnloadDll calls */
62
63 static const char * const reason_names[] =
64 {
65 "PROCESS_DETACH",
66 "PROCESS_ATTACH",
67 "THREAD_ATTACH",
68 "THREAD_DETACH",
69 NULL, NULL, NULL, NULL,
70 "WINE_PREATTACH"
71 };
72
73 static const WCHAR dllW[] = {'.','d','l','l',0};
74
75 /* internal representation of 32bit modules. per process. */
76 typedef struct _wine_modref
77 {
78 LDR_MODULE ldr;
79 int nDeps;
80 struct _wine_modref **deps;
81 } WINE_MODREF;
82
83 /* info about the current builtin dll load */
84 /* used to keep track of things across the register_dll constructor call */
85 struct builtin_load_info
86 {
87 const WCHAR *load_path;
88 const WCHAR *filename;
89 NTSTATUS status;
90 WINE_MODREF *wm;
91 };
92
93 static struct builtin_load_info default_load_info;
94 static struct builtin_load_info *builtin_load_info = &default_load_info;
95
96 static HANDLE main_exe_file;
97 static UINT tls_module_count; /* number of modules with TLS directory */
98 static UINT tls_total_size; /* total size of TLS storage */
99 static const IMAGE_TLS_DIRECTORY **tls_dirs; /* array of TLS directories */
100 #define TLS_ALIGNMENT (2 * sizeof(void *))
101 #define TLS_ALIGN(size) (((size) + TLS_ALIGNMENT - 1) & ~(TLS_ALIGNMENT - 1))
102
103 static RTL_CRITICAL_SECTION loader_section;
104 static RTL_CRITICAL_SECTION_DEBUG critsect_debug =
105 {
106 0, 0, &loader_section,
107 { &critsect_debug.ProcessLocksList, &critsect_debug.ProcessLocksList },
108 0, 0, { (DWORD_PTR)(__FILE__ ": loader_section") }
109 };
110 static RTL_CRITICAL_SECTION loader_section = { &critsect_debug, -1, 0, 0, 0, 0 };
111
112 static WINE_MODREF *cached_modref;
113 static WINE_MODREF *current_modref;
114 static WINE_MODREF *last_failed_modref;
115
116 static NTSTATUS load_dll( LPCWSTR load_path, LPCWSTR libname, DWORD flags, WINE_MODREF** pwm );
117 static NTSTATUS process_attach( WINE_MODREF *wm, LPVOID lpReserved );
118 static FARPROC find_ordinal_export( HMODULE module, const IMAGE_EXPORT_DIRECTORY *exports,
119 DWORD exp_size, DWORD ordinal, LPCWSTR load_path );
120 static FARPROC find_named_export( HMODULE module, const IMAGE_EXPORT_DIRECTORY *exports,
121 DWORD exp_size, const char *name, int hint, LPCWSTR load_path );
122
123 /* convert PE image VirtualAddress to Real Address */
124 static inline void *get_rva( HMODULE module, DWORD va )
125 {
126 return (void *)((char *)module + va);
127 }
128
129 /* check whether the file name contains a path */
130 static inline int contains_path( LPCWSTR name )
131 {
132 return ((*name && (name[1] == ':')) || strchrW(name, '/') || strchrW(name, '\\'));
133 }
134
135 /* convert from straight ASCII to Unicode without depending on the current codepage */
136 static inline void ascii_to_unicode( WCHAR *dst, const char *src, size_t len )
137 {
138 while (len--) *dst++ = (unsigned char)*src++;
139 }
140
141
142 /*************************************************************************
143 * call_dll_entry_point
144 *
145 * Some brain-damaged dlls (ir32_32.dll for instance) modify ebx in
146 * their entry point, so we need a small asm wrapper.
147 */
148 #ifdef __i386__
149 extern BOOL call_dll_entry_point( DLLENTRYPROC proc, void *module, UINT reason, void *reserved );
150 __ASM_GLOBAL_FUNC(call_dll_entry_point,
151 "pushl %ebp\n\t"
152 __ASM_CFI(".cfi_adjust_cfa_offset 4\n\t")
153 __ASM_CFI(".cfi_rel_offset %ebp,0\n\t")
154 "movl %esp,%ebp\n\t"
155 __ASM_CFI(".cfi_def_cfa_register %ebp\n\t")
156 "pushl %ebx\n\t"
157 __ASM_CFI(".cfi_rel_offset %ebx,-4\n\t")
158 "subl $8,%esp\n\t"
159 "pushl 20(%ebp)\n\t"
160 "pushl 16(%ebp)\n\t"
161 "pushl 12(%ebp)\n\t"
162 "movl 8(%ebp),%eax\n\t"
163 "call *%eax\n\t"
164 "leal -4(%ebp),%esp\n\t"
165 "popl %ebx\n\t"
166 __ASM_CFI(".cfi_same_value %ebx\n\t")
167 "popl %ebp\n\t"
168 __ASM_CFI(".cfi_def_cfa %esp,4\n\t")
169 __ASM_CFI(".cfi_same_value %ebp\n\t")
170 "ret" )
171 #else /* __i386__ */
172 static inline BOOL call_dll_entry_point( DLLENTRYPROC proc, void *module,
173 UINT reason, void *reserved )
174 {
175 return proc( module, reason, reserved );
176 }
177 #endif /* __i386__ */
178
179
180 #if defined(__i386__) || defined(__x86_64__)
181 /*************************************************************************
182 * stub_entry_point
183 *
184 * Entry point for stub functions.
185 */
186 static void stub_entry_point( const char *dll, const char *name, void *ret_addr )
187 {
188 EXCEPTION_RECORD rec;
189
190 rec.ExceptionCode = EXCEPTION_WINE_STUB;
191 rec.ExceptionFlags = EH_NONCONTINUABLE;
192 rec.ExceptionRecord = NULL;
193 rec.ExceptionAddress = ret_addr;
194 rec.NumberParameters = 2;
195 rec.ExceptionInformation[0] = (ULONG_PTR)dll;
196 rec.ExceptionInformation[1] = (ULONG_PTR)name;
197 for (;;) RtlRaiseException( &rec );
198 }
199
200
201 #include "pshpack1.h"
202 #ifdef __i386__
203 struct stub
204 {
205 BYTE pushl1; /* pushl $name */
206 const char *name;
207 BYTE pushl2; /* pushl $dll */
208 const char *dll;
209 BYTE call; /* call stub_entry_point */
210 DWORD entry;
211 };
212 #else
213 struct stub
214 {
215 BYTE movq_rdi[2]; /* movq $dll,%rdi */
216 const char *dll;
217 BYTE movq_rsi[2]; /* movq $name,%rsi */
218 const char *name;
219 BYTE movq_rsp_rdx[4]; /* movq (%rsp),%rdx */
220 BYTE movq_rax[2]; /* movq $entry, %rax */
221 const void* entry;
222 BYTE jmpq_rax[2]; /* jmp %rax */
223 };
224 #endif
225 #include "poppack.h"
226
227 /*************************************************************************
228 * allocate_stub
229 *
230 * Allocate a stub entry point.
231 */
232 static ULONG_PTR allocate_stub( const char *dll, const char *name )
233 {
234 #define MAX_SIZE 65536
235 static struct stub *stubs;
236 static unsigned int nb_stubs;
237 struct stub *stub;
238
239 if (nb_stubs >= MAX_SIZE / sizeof(*stub)) return 0xdeadbeef;
240
241 if (!stubs)
242 {
243 SIZE_T size = MAX_SIZE;
244 if (NtAllocateVirtualMemory( NtCurrentProcess(), (void **)&stubs, 0, &size,
245 MEM_COMMIT, PAGE_EXECUTE_READWRITE ) != STATUS_SUCCESS)
246 return 0xdeadbeef;
247 }
248 stub = &stubs[nb_stubs++];
249 #ifdef __i386__
250 stub->pushl1 = 0x68; /* pushl $name */
251 stub->name = name;
252 stub->pushl2 = 0x68; /* pushl $dll */
253 stub->dll = dll;
254 stub->call = 0xe8; /* call stub_entry_point */
255 stub->entry = (BYTE *)stub_entry_point - (BYTE *)(&stub->entry + 1);
256 #else
257 stub->movq_rdi[0] = 0x48; /* movq $dll,%rdi */
258 stub->movq_rdi[1] = 0xbf;
259 stub->dll = dll;
260 stub->movq_rsi[0] = 0x48; /* movq $name,%rsi */
261 stub->movq_rsi[1] = 0xbe;
262 stub->name = name;
263 stub->movq_rsp_rdx[0] = 0x48; /* movq (%rsp),%rdx */
264 stub->movq_rsp_rdx[1] = 0x8b;
265 stub->movq_rsp_rdx[2] = 0x14;
266 stub->movq_rsp_rdx[3] = 0x24;
267 stub->movq_rax[0] = 0x48; /* movq $entry, %rax */
268 stub->movq_rax[1] = 0xb8;
269 stub->entry = stub_entry_point;
270 stub->jmpq_rax[0] = 0xff; /* jmp %rax */
271 stub->jmpq_rax[1] = 0xe0;
272 #endif
273 return (ULONG_PTR)stub;
274 }
275
276 #else /* __i386__ */
277 static inline ULONG_PTR allocate_stub( const char *dll, const char *name ) { return 0xdeadbeef; }
278 #endif /* __i386__ */
279
280
281 /*************************************************************************
282 * get_modref
283 *
284 * Looks for the referenced HMODULE in the current process
285 * The loader_section must be locked while calling this function.
286 */
287 static WINE_MODREF *get_modref( HMODULE hmod )
288 {
289 PLIST_ENTRY mark, entry;
290 PLDR_MODULE mod;
291
292 if (cached_modref && cached_modref->ldr.BaseAddress == hmod) return cached_modref;
293
294 mark = &NtCurrentTeb()->Peb->LdrData->InMemoryOrderModuleList;
295 for (entry = mark->Flink; entry != mark; entry = entry->Flink)
296 {
297 mod = CONTAINING_RECORD(entry, LDR_MODULE, InMemoryOrderModuleList);
298 if (mod->BaseAddress == hmod)
299 return cached_modref = CONTAINING_RECORD(mod, WINE_MODREF, ldr);
300 if (mod->BaseAddress > (void*)hmod) break;
301 }
302 return NULL;
303 }
304
305
306 /**********************************************************************
307 * find_basename_module
308 *
309 * Find a module from its base name.
310 * The loader_section must be locked while calling this function
311 */
312 static WINE_MODREF *find_basename_module( LPCWSTR name )
313 {
314 PLIST_ENTRY mark, entry;
315
316 if (cached_modref && !strcmpiW( name, cached_modref->ldr.BaseDllName.Buffer ))
317 return cached_modref;
318
319 mark = &NtCurrentTeb()->Peb->LdrData->InLoadOrderModuleList;
320 for (entry = mark->Flink; entry != mark; entry = entry->Flink)
321 {
322 LDR_MODULE *mod = CONTAINING_RECORD(entry, LDR_MODULE, InLoadOrderModuleList);
323 if (!strcmpiW( name, mod->BaseDllName.Buffer ))
324 {
325 cached_modref = CONTAINING_RECORD(mod, WINE_MODREF, ldr);
326 return cached_modref;
327 }
328 }
329 return NULL;
330 }
331
332
333 /**********************************************************************
334 * find_fullname_module
335 *
336 * Find a module from its full path name.
337 * The loader_section must be locked while calling this function
338 */
339 static WINE_MODREF *find_fullname_module( LPCWSTR name )
340 {
341 PLIST_ENTRY mark, entry;
342
343 if (cached_modref && !strcmpiW( name, cached_modref->ldr.FullDllName.Buffer ))
344 return cached_modref;
345
346 mark = &NtCurrentTeb()->Peb->LdrData->InLoadOrderModuleList;
347 for (entry = mark->Flink; entry != mark; entry = entry->Flink)
348 {
349 LDR_MODULE *mod = CONTAINING_RECORD(entry, LDR_MODULE, InLoadOrderModuleList);
350 if (!strcmpiW( name, mod->FullDllName.Buffer ))
351 {
352 cached_modref = CONTAINING_RECORD(mod, WINE_MODREF, ldr);
353 return cached_modref;
354 }
355 }
356 return NULL;
357 }
358
359
360 /*************************************************************************
361 * find_forwarded_export
362 *
363 * Find the final function pointer for a forwarded function.
364 * The loader_section must be locked while calling this function.
365 */
366 static FARPROC find_forwarded_export( HMODULE module, const char *forward, LPCWSTR load_path )
367 {
368 const IMAGE_EXPORT_DIRECTORY *exports;
369 DWORD exp_size;
370 WINE_MODREF *wm;
371 WCHAR mod_name[32];
372 const char *end = strrchr(forward, '.');
373 FARPROC proc = NULL;
374
375 if (!end) return NULL;
376 if ((end - forward) * sizeof(WCHAR) >= sizeof(mod_name)) return NULL;
377 ascii_to_unicode( mod_name, forward, end - forward );
378 mod_name[end - forward] = 0;
379 if (!strchrW( mod_name, '.' ))
380 {
381 if ((end - forward) * sizeof(WCHAR) >= sizeof(mod_name) - sizeof(dllW)) return NULL;
382 memcpy( mod_name + (end - forward), dllW, sizeof(dllW) );
383 }
384
385 if (!(wm = find_basename_module( mod_name )))
386 {
387 TRACE( "delay loading %s for '%s'\n", debugstr_w(mod_name), forward );
388 if (load_dll( load_path, mod_name, 0, &wm ) == STATUS_SUCCESS &&
389 !(wm->ldr.Flags & LDR_DONT_RESOLVE_REFS))
390 {
391 if (process_attach( wm, NULL ) != STATUS_SUCCESS)
392 {
393 LdrUnloadDll( wm->ldr.BaseAddress );
394 wm = NULL;
395 }
396 }
397
398 if (!wm)
399 {
400 ERR( "module not found for forward '%s' used by %s\n",
401 forward, debugstr_w(get_modref(module)->ldr.FullDllName.Buffer) );
402 return NULL;
403 }
404 }
405 if ((exports = RtlImageDirectoryEntryToData( wm->ldr.BaseAddress, TRUE,
406 IMAGE_DIRECTORY_ENTRY_EXPORT, &exp_size )))
407 {
408 const char *name = end + 1;
409 if (*name == '#') /* ordinal */
410 proc = find_ordinal_export( wm->ldr.BaseAddress, exports, exp_size, atoi(name+1), load_path );
411 else
412 proc = find_named_export( wm->ldr.BaseAddress, exports, exp_size, name, -1, load_path );
413 }
414
415 if (!proc)
416 {
417 ERR("function not found for forward '%s' used by %s."
418 " If you are using builtin %s, try using the native one instead.\n",
419 forward, debugstr_w(get_modref(module)->ldr.FullDllName.Buffer),
420 debugstr_w(get_modref(module)->ldr.BaseDllName.Buffer) );
421 }
422 return proc;
423 }
424
425
426 /*************************************************************************
427 * find_ordinal_export
428 *
429 * Find an exported function by ordinal.
430 * The exports base must have been subtracted from the ordinal already.
431 * The loader_section must be locked while calling this function.
432 */
433 static FARPROC find_ordinal_export( HMODULE module, const IMAGE_EXPORT_DIRECTORY *exports,
434 DWORD exp_size, DWORD ordinal, LPCWSTR load_path )
435 {
436 FARPROC proc;
437 const DWORD *functions = get_rva( module, exports->AddressOfFunctions );
438
439 if (ordinal >= exports->NumberOfFunctions)
440 {
441 TRACE(" ordinal %d out of range!\n", ordinal + exports->Base );
442 return NULL;
443 }
444 if (!functions[ordinal]) return NULL;
445
446 proc = get_rva( module, functions[ordinal] );
447
448 /* if the address falls into the export dir, it's a forward */
449 if (((const char *)proc >= (const char *)exports) &&
450 ((const char *)proc < (const char *)exports + exp_size))
451 return find_forwarded_export( module, (const char *)proc, load_path );
452
453 if (TRACE_ON(snoop))
454 {
455 const WCHAR *user = current_modref ? current_modref->ldr.BaseDllName.Buffer : NULL;
456 proc = SNOOP_GetProcAddress( module, exports, exp_size, proc, ordinal, user );
457 }
458 if (TRACE_ON(relay))
459 {
460 const WCHAR *user = current_modref ? current_modref->ldr.BaseDllName.Buffer : NULL;
461 proc = RELAY_GetProcAddress( module, exports, exp_size, proc, ordinal, user );
462 }
463 return proc;
464 }
465
466
467 /*************************************************************************
468 * find_named_export
469 *
470 * Find an exported function by name.
471 * The loader_section must be locked while calling this function.
472 */
473 static FARPROC find_named_export( HMODULE module, const IMAGE_EXPORT_DIRECTORY *exports,
474 DWORD exp_size, const char *name, int hint, LPCWSTR load_path )
475 {
476 const WORD *ordinals = get_rva( module, exports->AddressOfNameOrdinals );
477 const DWORD *names = get_rva( module, exports->AddressOfNames );
478 int min = 0, max = exports->NumberOfNames - 1;
479
480 /* first check the hint */
481 if (hint >= 0 && hint <= max)
482 {
483 char *ename = get_rva( module, names[hint] );
484 if (!strcmp( ename, name ))
485 return find_ordinal_export( module, exports, exp_size, ordinals[hint], load_path );
486 }
487
488 /* then do a binary search */
489 while (min <= max)
490 {
491 int res, pos = (min + max) / 2;
492 char *ename = get_rva( module, names[pos] );
493 if (!(res = strcmp( ename, name )))
494 return find_ordinal_export( module, exports, exp_size, ordinals[pos], load_path );
495 if (res > 0) max = pos - 1;
496 else min = pos + 1;
497 }
498 return NULL;
499
500 }
501
502
503 /*************************************************************************
504 * import_dll
505 *
506 * Import the dll specified by the given import descriptor.
507 * The loader_section must be locked while calling this function.
508 */
509 static WINE_MODREF *import_dll( HMODULE module, const IMAGE_IMPORT_DESCRIPTOR *descr, LPCWSTR load_path )
510 {
511 NTSTATUS status;
512 WINE_MODREF *wmImp;
513 HMODULE imp_mod;
514 const IMAGE_EXPORT_DIRECTORY *exports;
515 DWORD exp_size;
516 const IMAGE_THUNK_DATA *import_list;
517 IMAGE_THUNK_DATA *thunk_list;
518 WCHAR buffer[32];
519 const char *name = get_rva( module, descr->Name );
520 DWORD len = strlen(name);
521 PVOID protect_base;
522 SIZE_T protect_size = 0;
523 DWORD protect_old;
524
525 thunk_list = get_rva( module, (DWORD)descr->FirstThunk );
526 if (descr->u.OriginalFirstThunk)
527 import_list = get_rva( module, (DWORD)descr->u.OriginalFirstThunk );
528 else
529 import_list = thunk_list;
530
531 while (len && name[len-1] == ' ') len--; /* remove trailing spaces */
532
533 if (len * sizeof(WCHAR) < sizeof(buffer))
534 {
535 ascii_to_unicode( buffer, name, len );
536 buffer[len] = 0;
537 status = load_dll( load_path, buffer, 0, &wmImp );
538 }
539 else /* need to allocate a larger buffer */
540 {
541 WCHAR *ptr = RtlAllocateHeap( GetProcessHeap(), 0, (len + 1) * sizeof(WCHAR) );
542 if (!ptr) return NULL;
543 ascii_to_unicode( ptr, name, len );
544 ptr[len] = 0;
545 status = load_dll( load_path, ptr, 0, &wmImp );
546 RtlFreeHeap( GetProcessHeap(), 0, ptr );
547 }
548
549 if (status)
550 {
551 if (status == STATUS_DLL_NOT_FOUND)
552 ERR("Library %s (which is needed by %s) not found\n",
553 name, debugstr_w(current_modref->ldr.FullDllName.Buffer));
554 else
555 ERR("Loading library %s (which is needed by %s) failed (error %x).\n",
556 name, debugstr_w(current_modref->ldr.FullDllName.Buffer), status);
557 return NULL;
558 }
559
560 /* unprotect the import address table since it can be located in
561 * readonly section */
562 while (import_list[protect_size].u1.Ordinal) protect_size++;
563 protect_base = thunk_list;
564 protect_size *= sizeof(*thunk_list);
565 NtProtectVirtualMemory( NtCurrentProcess(), &protect_base,
566 &protect_size, PAGE_READWRITE, &protect_old );
567
568 imp_mod = wmImp->ldr.BaseAddress;
569 exports = RtlImageDirectoryEntryToData( imp_mod, TRUE, IMAGE_DIRECTORY_ENTRY_EXPORT, &exp_size );
570
571 if (!exports)
572 {
573 /* set all imported function to deadbeef */
574 while (import_list->u1.Ordinal)
575 {
576 if (IMAGE_SNAP_BY_ORDINAL(import_list->u1.Ordinal))
577 {
578 int ordinal = IMAGE_ORDINAL(import_list->u1.Ordinal);
579 WARN("No implementation for %s.%d", name, ordinal );
580 thunk_list->u1.Function = allocate_stub( name, IntToPtr(ordinal) );
581 }
582 else
583 {
584 IMAGE_IMPORT_BY_NAME *pe_name = get_rva( module, (DWORD)import_list->u1.AddressOfData );
585 WARN("No implementation for %s.%s", name, pe_name->Name );
586 thunk_list->u1.Function = allocate_stub( name, (const char*)pe_name->Name );
587 }
588 WARN(" imported from %s, allocating stub %p\n",
589 debugstr_w(current_modref->ldr.FullDllName.Buffer),
590 (void *)thunk_list->u1.Function );
591 import_list++;
592 thunk_list++;
593 }
594 goto done;
595 }
596
597 while (import_list->u1.Ordinal)
598 {
599 if (IMAGE_SNAP_BY_ORDINAL(import_list->u1.Ordinal))
600 {
601 int ordinal = IMAGE_ORDINAL(import_list->u1.Ordinal);
602
603 thunk_list->u1.Function = (ULONG_PTR)find_ordinal_export( imp_mod, exports, exp_size,
604 ordinal - exports->Base, load_path );
605 if (!thunk_list->u1.Function)
606 {
607 thunk_list->u1.Function = allocate_stub( name, IntToPtr(ordinal) );
608 WARN("No implementation for %s.%d imported from %s, setting to %p\n",
609 name, ordinal, debugstr_w(current_modref->ldr.FullDllName.Buffer),
610 (void *)thunk_list->u1.Function );
611 }
612 TRACE_(imports)("--- Ordinal %s.%d = %p\n", name, ordinal, (void *)thunk_list->u1.Function );
613 }
614 else /* import by name */
615 {
616 IMAGE_IMPORT_BY_NAME *pe_name;
617 pe_name = get_rva( module, (DWORD)import_list->u1.AddressOfData );
618 thunk_list->u1.Function = (ULONG_PTR)find_named_export( imp_mod, exports, exp_size,
619 (const char*)pe_name->Name,
620 pe_name->Hint, load_path );
621 if (!thunk_list->u1.Function)
622 {
623 thunk_list->u1.Function = allocate_stub( name, (const char*)pe_name->Name );
624 WARN("No implementation for %s.%s imported from %s, setting to %p\n",
625 name, pe_name->Name, debugstr_w(current_modref->ldr.FullDllName.Buffer),
626 (void *)thunk_list->u1.Function );
627 }
628 TRACE_(imports)("--- %s %s.%d = %p\n",
629 pe_name->Name, name, pe_name->Hint, (void *)thunk_list->u1.Function);
630 }
631 import_list++;
632 thunk_list++;
633 }
634
635 done:
636 /* restore old protection of the import address table */
637 NtProtectVirtualMemory( NtCurrentProcess(), &protect_base, &protect_size, protect_old, NULL );
638 return wmImp;
639 }
640
641
642 /***********************************************************************
643 * create_module_activation_context
644 */
645 static NTSTATUS create_module_activation_context( LDR_MODULE *module )
646 {
647 NTSTATUS status;
648 LDR_RESOURCE_INFO info;
649 const IMAGE_RESOURCE_DATA_ENTRY *entry;
650
651 info.Type = RT_MANIFEST;
652 info.Name = ISOLATIONAWARE_MANIFEST_RESOURCE_ID;
653 info.Language = 0;
654 if (!(status = LdrFindResource_U( module->BaseAddress, &info, 3, &entry )))
655 {
656 ACTCTXW ctx;
657 ctx.cbSize = sizeof(ctx);
658 ctx.lpSource = NULL;
659 ctx.dwFlags = ACTCTX_FLAG_RESOURCE_NAME_VALID | ACTCTX_FLAG_HMODULE_VALID;
660 ctx.hModule = module->BaseAddress;
661 ctx.lpResourceName = (LPCWSTR)ISOLATIONAWARE_MANIFEST_RESOURCE_ID;
662 status = RtlCreateActivationContext( &module->ActivationContext, &ctx );
663 }
664 return status;
665 }
666
667
668 /****************************************************************
669 * fixup_imports
670 *
671 * Fixup all imports of a given module.
672 * The loader_section must be locked while calling this function.
673 */
674 static NTSTATUS fixup_imports( WINE_MODREF *wm, LPCWSTR load_path )
675 {
676 int i, nb_imports;
677 const IMAGE_IMPORT_DESCRIPTOR *imports;
678 WINE_MODREF *prev;
679 DWORD size;
680 NTSTATUS status;
681 ULONG_PTR cookie;
682
683 if (!(wm->ldr.Flags & LDR_DONT_RESOLVE_REFS)) return STATUS_SUCCESS; /* already done */
684 wm->ldr.Flags &= ~LDR_DONT_RESOLVE_REFS;
685
686 if (!(imports = RtlImageDirectoryEntryToData( wm->ldr.BaseAddress, TRUE,
687 IMAGE_DIRECTORY_ENTRY_IMPORT, &size )))
688 return STATUS_SUCCESS;
689
690 nb_imports = 0;
691 while (imports[nb_imports].Name && imports[nb_imports].FirstThunk) nb_imports++;
692
693 if (!nb_imports) return STATUS_SUCCESS; /* no imports */
694
695 if (!create_module_activation_context( &wm->ldr ))
696 RtlActivateActivationContext( 0, wm->ldr.ActivationContext, &cookie );
697
698 /* Allocate module dependency list */
699 wm->nDeps = nb_imports;
700 wm->deps = RtlAllocateHeap( GetProcessHeap(), 0, nb_imports*sizeof(WINE_MODREF *) );
701
702 /* load the imported modules. They are automatically
703 * added to the modref list of the process.
704 */
705 prev = current_modref;
706 current_modref = wm;
707 status = STATUS_SUCCESS;
708 for (i = 0; i < nb_imports; i++)
709 {
710 if (!(wm->deps[i] = import_dll( wm->ldr.BaseAddress, &imports[i], load_path )))
711 status = STATUS_DLL_NOT_FOUND;
712 }
713 current_modref = prev;
714 if (wm->ldr.ActivationContext) RtlDeactivateActivationContext( 0, cookie );
715 return status;
716 }
717
718
719 /*************************************************************************
720 * is_dll_native_subsystem
721 *
722 * Check if dll is a proper native driver.
723 * Some dlls (corpol.dll from IE6 for instance) are incorrectly marked as native
724 * while being perfectly normal DLLs. This heuristic should catch such breakages.
725 */
726 static BOOL is_dll_native_subsystem( HMODULE module, const IMAGE_NT_HEADERS *nt, LPCWSTR filename )
727 {
728 static const WCHAR ntdllW[] = {'n','t','d','l','l','.','d','l','l',0};
729 static const WCHAR kernel32W[] = {'k','e','r','n','e','l','3','2','.','d','l','l',0};
730 const IMAGE_IMPORT_DESCRIPTOR *imports;
731 DWORD i, size;
732 WCHAR buffer[16];
733
734 if (nt->OptionalHeader.Subsystem != IMAGE_SUBSYSTEM_NATIVE) return FALSE;
735 if (nt->OptionalHeader.SectionAlignment < getpagesize()) return TRUE;
736
737 if ((imports = RtlImageDirectoryEntryToData( module, TRUE,
738 IMAGE_DIRECTORY_ENTRY_IMPORT, &size )))
739 {
740 for (i = 0; imports[i].Name; i++)
741 {
742 const char *name = get_rva( module, imports[i].Name );
743 DWORD len = strlen(name);
744 if (len * sizeof(WCHAR) >= sizeof(buffer)) continue;
745 ascii_to_unicode( buffer, name, len + 1 );
746 if (!strcmpiW( buffer, ntdllW ) || !strcmpiW( buffer, kernel32W ))
747 {
748 TRACE( "%s imports %s, assuming not native\n", debugstr_w(filename), debugstr_w(buffer) );
749 return FALSE;
750 }
751 }
752 }
753 return TRUE;
754 }
755
756
757 /*************************************************************************
758 * alloc_module
759 *
760 * Allocate a WINE_MODREF structure and add it to the process list
761 * The loader_section must be locked while calling this function.
762 */
763 static WINE_MODREF *alloc_module( HMODULE hModule, LPCWSTR filename )
764 {
765 WINE_MODREF *wm;
766 const WCHAR *p;
767 const IMAGE_NT_HEADERS *nt = RtlImageNtHeader(hModule);
768 PLIST_ENTRY entry, mark;
769
770 if (!(wm = RtlAllocateHeap( GetProcessHeap(), 0, sizeof(*wm) ))) return NULL;
771
772 wm->nDeps = 0;
773 wm->deps = NULL;
774
775 wm->ldr.BaseAddress = hModule;
776 wm->ldr.EntryPoint = NULL;
777 wm->ldr.SizeOfImage = nt->OptionalHeader.SizeOfImage;
778 wm->ldr.Flags = LDR_DONT_RESOLVE_REFS;
779 wm->ldr.LoadCount = 1;
780 wm->ldr.TlsIndex = -1;
781 wm->ldr.SectionHandle = NULL;
782 wm->ldr.CheckSum = 0;
783 wm->ldr.TimeDateStamp = 0;
784 wm->ldr.ActivationContext = 0;
785
786 RtlCreateUnicodeString( &wm->ldr.FullDllName, filename );
787 if ((p = strrchrW( wm->ldr.FullDllName.Buffer, '\\' ))) p++;
788 else p = wm->ldr.FullDllName.Buffer;
789 RtlInitUnicodeString( &wm->ldr.BaseDllName, p );
790
791 if ((nt->FileHeader.Characteristics & IMAGE_FILE_DLL) && !is_dll_native_subsystem( hModule, nt, p ))
792 {
793 wm->ldr.Flags |= LDR_IMAGE_IS_DLL;
794 if (nt->OptionalHeader.AddressOfEntryPoint)
795 wm->ldr.EntryPoint = (char *)hModule + nt->OptionalHeader.AddressOfEntryPoint;
796 }
797
798 InsertTailList(&NtCurrentTeb()->Peb->LdrData->InLoadOrderModuleList,
799 &wm->ldr.InLoadOrderModuleList);
800
801 /* insert module in MemoryList, sorted in increasing base addresses */
802 mark = &NtCurrentTeb()->Peb->LdrData->InMemoryOrderModuleList;
803 for (entry = mark->Flink; entry != mark; entry = entry->Flink)
804 {
805 if (CONTAINING_RECORD(entry, LDR_MODULE, InMemoryOrderModuleList)->BaseAddress > wm->ldr.BaseAddress)
806 break;
807 }
808 entry->Blink->Flink = &wm->ldr.InMemoryOrderModuleList;
809 wm->ldr.InMemoryOrderModuleList.Blink = entry->Blink;
810 wm->ldr.InMemoryOrderModuleList.Flink = entry;
811 entry->Blink = &wm->ldr.InMemoryOrderModuleList;
812
813 /* wait until init is called for inserting into this list */
814 wm->ldr.InInitializationOrderModuleList.Flink = NULL;
815 wm->ldr.InInitializationOrderModuleList.Blink = NULL;
816
817 if (!(nt->OptionalHeader.DllCharacteristics & IMAGE_DLLCHARACTERISTICS_NX_COMPAT))
818 {
819 ULONG flags = MEM_EXECUTE_OPTION_ENABLE;
820 WARN( "disabling no-exec because of %s\n", debugstr_w(wm->ldr.BaseDllName.Buffer) );
821 NtSetInformationProcess( GetCurrentProcess(), ProcessExecuteFlags, &flags, sizeof(flags) );
822 }
823 return wm;
824 }
825
826
827 /*************************************************************************
828 * alloc_process_tls
829 *
830 * Allocate the process-wide structure for module TLS storage.
831 */
832 static NTSTATUS alloc_process_tls(void)
833 {
834 PLIST_ENTRY mark, entry;
835 PLDR_MODULE mod;
836 const IMAGE_TLS_DIRECTORY *dir;
837 ULONG size, i;
838
839 mark = &NtCurrentTeb()->Peb->LdrData->InMemoryOrderModuleList;
840 for (entry = mark->Flink; entry != mark; entry = entry->Flink)
841 {
842 mod = CONTAINING_RECORD(entry, LDR_MODULE, InMemoryOrderModuleList);
843 if (!(dir = RtlImageDirectoryEntryToData( mod->BaseAddress, TRUE,
844 IMAGE_DIRECTORY_ENTRY_TLS, &size )))
845 continue;
846 size = (dir->EndAddressOfRawData - dir->StartAddressOfRawData) + dir->SizeOfZeroFill;
847 if (!size && !dir->AddressOfCallBacks) continue;
848 tls_total_size += TLS_ALIGN(size);
849 tls_module_count++;
850 }
851 if (!tls_module_count) return STATUS_SUCCESS;
852
853 TRACE( "count %u size %u\n", tls_module_count, tls_total_size );
854
855 tls_dirs = RtlAllocateHeap( GetProcessHeap(), 0, tls_module_count * sizeof(*tls_dirs) );
856 if (!tls_dirs) return STATUS_NO_MEMORY;
857
858 for (i = 0, entry = mark->Flink; entry != mark; entry = entry->Flink)
859 {
860 mod = CONTAINING_RECORD(entry, LDR_MODULE, InMemoryOrderModuleList);
861 if (!(dir = RtlImageDirectoryEntryToData( mod->BaseAddress, TRUE,
862 IMAGE_DIRECTORY_ENTRY_TLS, &size )))
863 continue;
864 tls_dirs[i] = dir;
865 *(DWORD *)dir->AddressOfIndex = i;
866 mod->TlsIndex = i;
867 mod->LoadCount = -1; /* can't unload it */
868 i++;
869 }
870 return STATUS_SUCCESS;
871 }
872
873
874 /*************************************************************************
875 * alloc_thread_tls
876 *
877 * Allocate the per-thread structure for module TLS storage.
878 */
879 static NTSTATUS alloc_thread_tls(void)
880 {
881 void **pointers;
882 char *data;
883 UINT i, size;
884
885 if (!tls_module_count) return STATUS_SUCCESS;
886
887 size = TLS_ALIGN( tls_module_count * sizeof(*pointers) );
888 if (!(pointers = RtlAllocateHeap( GetProcessHeap(), 0, size + tls_total_size )))
889 return STATUS_NO_MEMORY;
890 data = (char *)pointers + size;
891
892 for (i = 0; i < tls_module_count; i++)
893 {
894 const IMAGE_TLS_DIRECTORY *dir = tls_dirs[i];
895 size = dir->EndAddressOfRawData - dir->StartAddressOfRawData;
896
897 TRACE( "thread %04x idx %d: %d/%d bytes from %p to %p\n",
898 GetCurrentThreadId(), i, size, dir->SizeOfZeroFill,
899 (void *)dir->StartAddressOfRawData, data );
900
901 pointers[i] = data;
902 memcpy( data, (void *)dir->StartAddressOfRawData, size );
903 memset( data + size, 0, dir->SizeOfZeroFill );
904 data += TLS_ALIGN( size + dir->SizeOfZeroFill );
905 }
906 NtCurrentTeb()->ThreadLocalStoragePointer = pointers;
907 return STATUS_SUCCESS;
908 }
909
910
911 /*************************************************************************
912 * call_tls_callbacks
913 */
914 static void call_tls_callbacks( HMODULE module, UINT reason )
915 {
916 const IMAGE_TLS_DIRECTORY *dir;
917 const PIMAGE_TLS_CALLBACK *callback;
918 ULONG dirsize;
919
920 dir = RtlImageDirectoryEntryToData( module, TRUE, IMAGE_DIRECTORY_ENTRY_TLS, &dirsize );
921 if (!dir || !dir->AddressOfCallBacks) return;
922
923 for (callback = (const PIMAGE_TLS_CALLBACK *)dir->AddressOfCallBacks; *callback; callback++)
924 {
925 if (TRACE_ON(relay))
926 DPRINTF("%04x:Call TLS callback (proc=%p,module=%p,reason=%s,reserved=0)\n",
927 GetCurrentThreadId(), *callback, module, reason_names[reason] );
928 __TRY
929 {
930 (*callback)( module, reason, NULL );
931 }
932 __EXCEPT_ALL
933 {
934 if (TRACE_ON(relay))
935 DPRINTF("%04x:exception in TLS callback (proc=%p,module=%p,reason=%s,reserved=0)\n",
936 GetCurrentThreadId(), callback, module, reason_names[reason] );
937 return;
938 }
939 __ENDTRY
940 if (TRACE_ON(relay))
941 DPRINTF("%04x:Ret TLS callback (proc=%p,module=%p,reason=%s,reserved=0)\n",
942 GetCurrentThreadId(), *callback, module, reason_names[reason] );
943 }
944 }
945
946
947 /*************************************************************************
948 * MODULE_InitDLL
949 */
950 static NTSTATUS MODULE_InitDLL( WINE_MODREF *wm, UINT reason, LPVOID lpReserved )
951 {
952 WCHAR mod_name[32];
953 NTSTATUS status = STATUS_SUCCESS;
954 DLLENTRYPROC entry = wm->ldr.EntryPoint;
955 void *module = wm->ldr.BaseAddress;
956 BOOL retv = TRUE;
957
958 /* Skip calls for modules loaded with special load flags */
959
960 if (wm->ldr.Flags & LDR_DONT_RESOLVE_REFS) return STATUS_SUCCESS;
961 if (wm->ldr.TlsIndex != -1) call_tls_callbacks( wm->ldr.BaseAddress, reason );
962 if (!entry) return STATUS_SUCCESS;
963
964 if (TRACE_ON(relay))
965 {
966 size_t len = min( wm->ldr.BaseDllName.Length, sizeof(mod_name)-sizeof(WCHAR) );
967 memcpy( mod_name, wm->ldr.BaseDllName.Buffer, len );
968 mod_name[len / sizeof(WCHAR)] = 0;
969 DPRINTF("%04x:Call PE DLL (proc=%p,module=%p %s,reason=%s,res=%p)\n",
970 GetCurrentThreadId(), entry, module, debugstr_w(mod_name),
971 reason_names[reason], lpReserved );
972 }
973 else TRACE("(%p %s,%s,%p) - CALL\n", module, debugstr_w(wm->ldr.BaseDllName.Buffer),
974 reason_names[reason], lpReserved );
975
976 __TRY
977 {
978 retv = call_dll_entry_point( entry, module, reason, lpReserved );
979 if (!retv)
980 status = STATUS_DLL_INIT_FAILED;
981 }
982 __EXCEPT_ALL
983 {
984 if (TRACE_ON(relay))
985 DPRINTF("%04x:exception in PE entry point (proc=%p,module=%p,reason=%s,res=%p)\n",
986 GetCurrentThreadId(), entry, module, reason_names[reason], lpReserved );
987 status = GetExceptionCode();
988 }
989 __ENDTRY
990
991 /* The state of the module list may have changed due to the call
992 to the dll. We cannot assume that this module has not been
993 deleted. */
994 if (TRACE_ON(relay))
995 DPRINTF("%04x:Ret PE DLL (proc=%p,module=%p %s,reason=%s,res=%p) retval=%x\n",
996 GetCurrentThreadId(), entry, module, debugstr_w(mod_name),
997 reason_names[reason], lpReserved, retv );
998 else TRACE("(%p,%s,%p) - RETURN %d\n", module, reason_names[reason], lpReserved, retv );
999
1000 return status;
1001 }
1002
1003
1004 /*************************************************************************
1005 * process_attach
1006 *
1007 * Send the process attach notification to all DLLs the given module
1008 * depends on (recursively). This is somewhat complicated due to the fact that
1009 *
1010 * - we have to respect the module dependencies, i.e. modules implicitly
1011 * referenced by another module have to be initialized before the module
1012 * itself can be initialized
1013 *
1014 * - the initialization routine of a DLL can itself call LoadLibrary,
1015 * thereby introducing a whole new set of dependencies (even involving
1016 * the 'old' modules) at any time during the whole process
1017 *
1018 * (Note that this routine can be recursively entered not only directly
1019 * from itself, but also via LoadLibrary from one of the called initialization
1020 * routines.)
1021 *
1022 * Furthermore, we need to rearrange the main WINE_MODREF list to allow
1023 * the process *detach* notifications to be sent in the correct order.
1024 * This must not only take into account module dependencies, but also
1025 * 'hidden' dependencies created by modules calling LoadLibrary in their
1026 * attach notification routine.
1027 *
1028 * The strategy is rather simple: we move a WINE_MODREF to the head of the
1029 * list after the attach notification has returned. This implies that the
1030 * detach notifications are called in the reverse of the sequence the attach
1031 * notifications *returned*.
1032 *
1033 * The loader_section must be locked while calling this function.
1034 */
1035 static NTSTATUS process_attach( WINE_MODREF *wm, LPVOID lpReserved )
1036 {
1037 NTSTATUS status = STATUS_SUCCESS;
1038 ULONG_PTR cookie;
1039 int i;
1040
1041 if (process_detaching) return status;
1042
1043 /* prevent infinite recursion in case of cyclical dependencies */
1044 if ( ( wm->ldr.Flags & LDR_LOAD_IN_PROGRESS )
1045 || ( wm->ldr.Flags & LDR_PROCESS_ATTACHED ) )
1046 return status;
1047
1048 TRACE("(%s,%p) - START\n", debugstr_w(wm->ldr.BaseDllName.Buffer), lpReserved );
1049
1050 /* Tag current MODREF to prevent recursive loop */
1051 wm->ldr.Flags |= LDR_LOAD_IN_PROGRESS;
1052 if (lpReserved) wm->ldr.LoadCount = -1; /* pin it if imported by the main exe */
1053 if (wm->ldr.ActivationContext) RtlActivateActivationContext( 0, wm->ldr.ActivationContext, &cookie );
1054
1055 /* Recursively attach all DLLs this one depends on */
1056 for ( i = 0; i < wm->nDeps; i++ )
1057 {
1058 if (!wm->deps[i]) continue;
1059 if ((status = process_attach( wm->deps[i], lpReserved )) != STATUS_SUCCESS) break;
1060 }
1061
1062 /* Call DLL entry point */
1063 if (status == STATUS_SUCCESS)
1064 {
1065 WINE_MODREF *prev = current_modref;
1066 current_modref = wm;
1067 status = MODULE_InitDLL( wm, DLL_PROCESS_ATTACH, lpReserved );
1068 if (status == STATUS_SUCCESS)
1069 wm->ldr.Flags |= LDR_PROCESS_ATTACHED;
1070 else
1071 {
1072 MODULE_InitDLL( wm, DLL_PROCESS_DETACH, lpReserved );
1073 /* point to the name so LdrInitializeThunk can print it */
1074 last_failed_modref = wm;
1075 WARN("Initialization of %s failed\n", debugstr_w(wm->ldr.BaseDllName.Buffer));
1076 }
1077 current_modref = prev;
1078 }
1079
1080 if (!wm->ldr.InInitializationOrderModuleList.Flink)
1081 InsertTailList(&NtCurrentTeb()->Peb->LdrData->InInitializationOrderModuleList,
1082 &wm->ldr.InInitializationOrderModuleList);
1083
1084 if (wm->ldr.ActivationContext) RtlDeactivateActivationContext( 0, cookie );
1085 /* Remove recursion flag */
1086 wm->ldr.Flags &= ~LDR_LOAD_IN_PROGRESS;
1087
1088 TRACE("(%s,%p) - END\n", debugstr_w(wm->ldr.BaseDllName.Buffer), lpReserved );
1089 return status;
1090 }
1091
1092
1093 /**********************************************************************
1094 * attach_implicitly_loaded_dlls
1095 *
1096 * Attach to the (builtin) dlls that have been implicitly loaded because
1097 * of a dependency at the Unix level, but not imported at the Win32 level.
1098 */
1099 static void attach_implicitly_loaded_dlls( LPVOID reserved )
1100 {
1101 for (;;)
1102 {
1103 PLIST_ENTRY mark, entry;
1104
1105 mark = &NtCurrentTeb()->Peb->LdrData->InLoadOrderModuleList;
1106 for (entry = mark->Flink; entry != mark; entry = entry->Flink)
1107 {
1108 LDR_MODULE *mod = CONTAINING_RECORD(entry, LDR_MODULE, InLoadOrderModuleList);
1109
1110 if (mod->Flags & (LDR_LOAD_IN_PROGRESS | LDR_PROCESS_ATTACHED)) continue;
1111 TRACE( "found implicitly loaded %s, attaching to it\n",
1112 debugstr_w(mod->BaseDllName.Buffer));
1113 process_attach( CONTAINING_RECORD(mod, WINE_MODREF, ldr), reserved );
1114 break; /* restart the search from the start */
1115 }
1116 if (entry == mark) break; /* nothing found */
1117 }
1118 }
1119
1120
1121 /*************************************************************************
1122 * process_detach
1123 *
1124 * Send DLL process detach notifications. See the comment about calling
1125 * sequence at process_attach. Unless the bForceDetach flag
1126 * is set, only DLLs with zero refcount are notified.
1127 */
1128 static void process_detach( BOOL bForceDetach, LPVOID lpReserved )
1129 {
1130 PLIST_ENTRY mark, entry;
1131 PLDR_MODULE mod;
1132
1133 RtlEnterCriticalSection( &loader_section );
1134 if (bForceDetach) process_detaching = 1;
1135 mark = &NtCurrentTeb()->Peb->LdrData->InInitializationOrderModuleList;
1136 do
1137 {
1138 for (entry = mark->Blink; entry != mark; entry = entry->Blink)
1139 {
1140 mod = CONTAINING_RECORD(entry, LDR_MODULE,
1141 InInitializationOrderModuleList);
1142 /* Check whether to detach this DLL */
1143 if ( !(mod->Flags & LDR_PROCESS_ATTACHED) )
1144 continue;
1145 if ( mod->LoadCount && !bForceDetach )
1146 continue;
1147
1148 /* Call detach notification */
1149 mod->Flags &= ~LDR_PROCESS_ATTACHED;
1150 MODULE_InitDLL( CONTAINING_RECORD(mod, WINE_MODREF, ldr),
1151 DLL_PROCESS_DETACH, lpReserved );
1152
1153 /* Restart at head of WINE_MODREF list, as entries might have
1154 been added and/or removed while performing the call ... */
1155 break;
1156 }
1157 } while (entry != mark);
1158
1159 RtlLeaveCriticalSection( &loader_section );
1160 }
1161
1162 /*************************************************************************
1163 * MODULE_DllThreadAttach
1164 *
1165 * Send DLL thread attach notifications. These are sent in the
1166 * reverse sequence of process detach notification.
1167 *
1168 */
1169 NTSTATUS MODULE_DllThreadAttach( LPVOID lpReserved )
1170 {
1171 PLIST_ENTRY mark, entry;
1172 PLDR_MODULE mod;
1173 NTSTATUS status;
1174
1175 /* don't do any attach calls if process is exiting */
1176 if (process_detaching) return STATUS_SUCCESS;
1177 /* FIXME: there is still a race here */
1178
1179 RtlEnterCriticalSection( &loader_section );
1180
1181 if ((status = alloc_thread_tls()) != STATUS_SUCCESS) goto done;
1182
1183 mark = &NtCurrentTeb()->Peb->LdrData->InInitializationOrderModuleList;
1184 for (entry = mark->Flink; entry != mark; entry = entry->Flink)
1185 {
1186 mod = CONTAINING_RECORD(entry, LDR_MODULE,
1187 InInitializationOrderModuleList);
1188 if ( !(mod->Flags & LDR_PROCESS_ATTACHED) )
1189 continue;
1190 if ( mod->Flags & LDR_NO_DLL_CALLS )
1191 continue;
1192
1193 MODULE_InitDLL( CONTAINING_RECORD(mod, WINE_MODREF, ldr),
1194 DLL_THREAD_ATTACH, lpReserved );
1195 }
1196
1197 done:
1198 RtlLeaveCriticalSection( &loader_section );
1199 return status;
1200 }
1201
1202 /******************************************************************
1203 * LdrDisableThreadCalloutsForDll (NTDLL.@)
1204 *
1205 */
1206 NTSTATUS WINAPI LdrDisableThreadCalloutsForDll(HMODULE hModule)
1207 {
1208 WINE_MODREF *wm;
1209 NTSTATUS ret = STATUS_SUCCESS;
1210
1211 RtlEnterCriticalSection( &loader_section );
1212
1213 wm = get_modref( hModule );
1214 if (!wm || wm->ldr.TlsIndex != -1)
1215 ret = STATUS_DLL_NOT_FOUND;
1216 else
1217 wm->ldr.Flags |= LDR_NO_DLL_CALLS;
1218
1219 RtlLeaveCriticalSection( &loader_section );
1220
1221 return ret;
1222 }
1223
1224 /******************************************************************
1225 * LdrFindEntryForAddress (NTDLL.@)
1226 *
1227 * The loader_section must be locked while calling this function
1228 */
1229 NTSTATUS WINAPI LdrFindEntryForAddress(const void* addr, PLDR_MODULE* pmod)
1230 {
1231 PLIST_ENTRY mark, entry;
1232 PLDR_MODULE mod;
1233
1234 mark = &NtCurrentTeb()->Peb->LdrData->InMemoryOrderModuleList;
1235 for (entry = mark->Flink; entry != mark; entry = entry->Flink)
1236 {
1237 mod = CONTAINING_RECORD(entry, LDR_MODULE, InMemoryOrderModuleList);
1238 if (mod->BaseAddress <= addr &&
1239 (const char *)addr < (char*)mod->BaseAddress + mod->SizeOfImage)
1240 {
1241 *pmod = mod;
1242 return STATUS_SUCCESS;
1243 }
1244 if (mod->BaseAddress > addr) break;
1245 }
1246 return STATUS_NO_MORE_ENTRIES;
1247 }
1248
1249 /******************************************************************
1250 * LdrLockLoaderLock (NTDLL.@)
1251 *
1252 * Note: flags are not implemented.
1253 * Flag 0x01 is used to raise exceptions on errors.
1254 * Flag 0x02 is used to avoid waiting on the section (does RtlTryEnterCriticalSection instead).
1255 */
1256 NTSTATUS WINAPI LdrLockLoaderLock( ULONG flags, ULONG *result, ULONG *magic )
1257 {
1258 if (flags) FIXME( "flags %x not supported\n", flags );
1259
1260 if (result) *result = 1;
1261 if (!magic) return STATUS_INVALID_PARAMETER_3;
1262 RtlEnterCriticalSection( &loader_section );
1263 *magic = GetCurrentThreadId();
1264 return STATUS_SUCCESS;
1265 }
1266
1267
1268 /******************************************************************
1269 * LdrUnlockLoaderUnlock (NTDLL.@)
1270 */
1271 NTSTATUS WINAPI LdrUnlockLoaderLock( ULONG flags, ULONG magic )
1272 {
1273 if (magic)
1274 {
1275 if (magic != GetCurrentThreadId()) return STATUS_INVALID_PARAMETER_2;
1276 RtlLeaveCriticalSection( &loader_section );
1277 }
1278 return STATUS_SUCCESS;
1279 }
1280
1281
1282 /******************************************************************
1283 * LdrGetProcedureAddress (NTDLL.@)
1284 */
1285 NTSTATUS WINAPI LdrGetProcedureAddress(HMODULE module, const ANSI_STRING *name,
1286 ULONG ord, PVOID *address)
1287 {
1288 IMAGE_EXPORT_DIRECTORY *exports;
1289 DWORD exp_size;
1290 NTSTATUS ret = STATUS_PROCEDURE_NOT_FOUND;
1291
1292 RtlEnterCriticalSection( &loader_section );
1293
1294 /* check if the module itself is invalid to return the proper error */
1295 if (!get_modref( module )) ret = STATUS_DLL_NOT_FOUND;
1296 else if ((exports = RtlImageDirectoryEntryToData( module, TRUE,
1297 IMAGE_DIRECTORY_ENTRY_EXPORT, &exp_size )))
1298 {
1299 LPCWSTR load_path = NtCurrentTeb()->Peb->ProcessParameters->DllPath.Buffer;
1300 void *proc = name ? find_named_export( module, exports, exp_size, name->Buffer, -1, load_path )
1301 : find_ordinal_export( module, exports, exp_size, ord - exports->Base, load_path );
1302 if (proc)
1303 {
1304 *address = proc;
1305 ret = STATUS_SUCCESS;
1306 }
1307 }
1308
1309 RtlLeaveCriticalSection( &loader_section );
1310 return ret;
1311 }
1312
1313
1314 /***********************************************************************
1315 * is_fake_dll
1316 *
1317 * Check if a loaded native dll is a Wine fake dll.
1318 */
1319 static BOOL is_fake_dll( HANDLE handle )
1320 {
1321 static const char fakedll_signature[] = "Wine placeholder DLL";
1322 char buffer[sizeof(IMAGE_DOS_HEADER) + sizeof(fakedll_signature)];
1323 const IMAGE_DOS_HEADER *dos = (const IMAGE_DOS_HEADER *)buffer;
1324 IO_STATUS_BLOCK io;
1325 LARGE_INTEGER offset;
1326
1327 offset.QuadPart = 0;
1328 if (NtReadFile( handle, 0, NULL, 0, &io, buffer, sizeof(buffer), &offset, NULL )) return FALSE;
1329 if (io.Information < sizeof(buffer)) return FALSE;
1330 if (dos->e_magic != IMAGE_DOS_SIGNATURE) return FALSE;
1331 if (dos->e_lfanew >= sizeof(*dos) + sizeof(fakedll_signature) &&
1332 !memcmp( dos + 1, fakedll_signature, sizeof(fakedll_signature) )) return TRUE;
1333 return FALSE;
1334 }
1335
1336
1337 /***********************************************************************
1338 * get_builtin_fullname
1339 *
1340 * Build the full pathname for a builtin dll.
1341 */
1342 static WCHAR *get_builtin_fullname( const WCHAR *path, const char *filename )
1343 {
1344 static const WCHAR soW[] = {'.','s','o',0};
1345 WCHAR *p, *fullname;
1346 size_t i, len = strlen(filename);
1347
1348 /* check if path can correspond to the dll we have */
1349 if (path && (p = strrchrW( path, '\\' )))
1350 {
1351 p++;
1352 for (i = 0; i < len; i++)
1353 if (tolowerW(p[i]) != tolowerW( (WCHAR)filename[i]) ) break;
1354 if (i == len && (!p[len] || !strcmpiW( p + len, soW )))
1355 {
1356 /* the filename matches, use path as the full path */
1357 len += p - path;
1358 if ((fullname = RtlAllocateHeap( GetProcessHeap(), 0, (len + 1) * sizeof(WCHAR) )))
1359 {
1360 memcpy( fullname, path, len * sizeof(WCHAR) );
1361 fullname[len] = 0;
1362 }
1363 return fullname;
1364 }
1365 }
1366
1367 if ((fullname = RtlAllocateHeap( GetProcessHeap(), 0,
1368 system_dir.MaximumLength + (len + 1) * sizeof(WCHAR) )))
1369 {
1370 memcpy( fullname, system_dir.Buffer, system_dir.Length );
1371 p = fullname + system_dir.Length / sizeof(WCHAR);
1372 if (p > fullname && p[-1] != '\\') *p++ = '\\';
1373 ascii_to_unicode( p, filename, len + 1 );
1374 }
1375 return fullname;
1376 }
1377
1378
1379 /***********************************************************************
1380 * load_builtin_callback
1381 *
1382 * Load a library in memory; callback function for wine_dll_register
1383 */
1384 static void load_builtin_callback( void *module, const char *filename )
1385 {
1386 static const WCHAR emptyW[1];
1387 IMAGE_NT_HEADERS *nt;
1388 WINE_MODREF *wm;
1389 WCHAR *fullname;
1390 const WCHAR *load_path;
1391
1392 if (!module)
1393 {
1394 ERR("could not map image for %s\n", filename ? filename : "main exe" );
1395 return;
1396 }
1397 if (!(nt = RtlImageNtHeader( module )))
1398 {
1399 ERR( "bad module for %s\n", filename ? filename : "main exe" );
1400 builtin_load_info->status = STATUS_INVALID_IMAGE_FORMAT;
1401 return;
1402 }
1403
1404 virtual_create_builtin_view( module );
1405
1406 /* create the MODREF */
1407
1408 if (!(fullname = get_builtin_fullname( builtin_load_info->filename, filename )))
1409 {
1410 ERR( "can't load %s\n", filename );
1411 builtin_load_info->status = STATUS_NO_MEMORY;
1412 return;
1413 }
1414
1415 wm = alloc_module( module, fullname );
1416 RtlFreeHeap( GetProcessHeap(), 0, fullname );
1417 if (!wm)
1418 {
1419 ERR( "can't load %s\n", filename );
1420 builtin_load_info->status = STATUS_NO_MEMORY;
1421 return;
1422 }
1423 wm->ldr.Flags |= LDR_WINE_INTERNAL;
1424
1425 if (!(nt->FileHeader.Characteristics & IMAGE_FILE_DLL) &&
1426 !NtCurrentTeb()->Peb->ImageBaseAddress) /* if we already have an executable, ignore this one */
1427 {
1428 NtCurrentTeb()->Peb->ImageBaseAddress = module;
1429 }
1430 else
1431 {
1432 /* fixup imports */
1433
1434 load_path = builtin_load_info->load_path;
1435 if (!load_path) load_path = NtCurrentTeb()->Peb->ProcessParameters->DllPath.Buffer;
1436 if (!load_path) load_path = emptyW;
1437 if (fixup_imports( wm, load_path ) != STATUS_SUCCESS)
1438 {
1439 /* the module has only be inserted in the load & memory order lists */
1440 RemoveEntryList(&wm->ldr.InLoadOrderModuleList);
1441 RemoveEntryList(&wm->ldr.InMemoryOrderModuleList);
1442 /* FIXME: free the modref */
1443 builtin_load_info->status = STATUS_DLL_NOT_FOUND;
1444 return;
1445 }
1446 }
1447
1448 builtin_load_info->wm = wm;
1449 TRACE( "loaded %s %p %p\n", filename, wm, module );
1450
1451 /* send the DLL load event */
1452
1453 SERVER_START_REQ( load_dll )
1454 {
1455 req->mapping = 0;
1456 req->base = wine_server_client_ptr( module );
1457 req->size = nt->OptionalHeader.SizeOfImage;
1458 req->dbg_offset = nt->FileHeader.PointerToSymbolTable;
1459 req->dbg_size = nt->FileHeader.NumberOfSymbols;
1460 req->name = wine_server_client_ptr( &wm->ldr.FullDllName.Buffer );
1461 wine_server_add_data( req, wm->ldr.FullDllName.Buffer, wm->ldr.FullDllName.Length );
1462 wine_server_call( req );
1463 }
1464 SERVER_END_REQ;
1465
1466 /* setup relay debugging entry points */
1467 if (TRACE_ON(relay)) RELAY_SetupDLL( module );
1468 }
1469
1470
1471 /******************************************************************************
1472 * load_native_dll (internal)
1473 */
1474 static NTSTATUS load_native_dll( LPCWSTR load_path, LPCWSTR name, HANDLE file,
1475 DWORD flags, WINE_MODREF** pwm )
1476 {
1477 void *module;
1478 HANDLE mapping;
1479 LARGE_INTEGER size;
1480 IMAGE_NT_HEADERS *nt;
1481 SIZE_T len = 0;
1482 WINE_MODREF *wm;
1483 NTSTATUS status;
1484
1485 TRACE("Trying native dll %s\n", debugstr_w(name));
1486
1487 size.QuadPart = 0;
1488 status = NtCreateSection( &mapping, STANDARD_RIGHTS_REQUIRED | SECTION_QUERY | SECTION_MAP_READ,
1489 NULL, &size, PAGE_EXECUTE_READ, SEC_IMAGE, file );
1490 if (status != STATUS_SUCCESS) return status;
1491
1492 module = NULL;
1493 status = NtMapViewOfSection( mapping, NtCurrentProcess(),
1494 &module, 0, 0, &size, &len, ViewShare, 0, PAGE_EXECUTE_READ );
1495 if (status < 0) goto done;
1496
1497 /* create the MODREF */
1498
1499 if (!(wm = alloc_module( module, name )))
1500 {
1501 status = STATUS_NO_MEMORY;
1502 goto done;
1503 }
1504
1505 /* fixup imports */
1506
1507 if (!(flags & DONT_RESOLVE_DLL_REFERENCES))
1508 {
1509 if ((status = fixup_imports( wm, load_path )) != STATUS_SUCCESS)
1510 {
1511 /* the module has only be inserted in the load & memory order lists */
1512 RemoveEntryList(&wm->ldr.InLoadOrderModuleList);
1513 RemoveEntryList(&wm->ldr.InMemoryOrderModuleList);
1514
1515 /* FIXME: there are several more dangling references
1516 * left. Including dlls loaded by this dll before the
1517 * failed one. Unrolling is rather difficult with the
1518 * current structure and we can leave them lying
1519 * around with no problems, so we don't care.
1520 * As these might reference our wm, we don't free it.
1521 */
1522 goto done;
1523 }
1524 }
1525
1526 /* send DLL load event */
1527
1528 nt = RtlImageNtHeader( module );
1529
1530 SERVER_START_REQ( load_dll )
1531 {
1532 req->mapping = wine_server_obj_handle( mapping );
1533 req->base = wine_server_client_ptr( module );
1534 req->size = nt->OptionalHeader.SizeOfImage;
1535 req->dbg_offset = nt->FileHeader.PointerToSymbolTable;
1536 req->dbg_size = nt->FileHeader.NumberOfSymbols;
1537 req->name = wine_server_client_ptr( &wm->ldr.FullDllName.Buffer );
1538 wine_server_add_data( req, wm->ldr.FullDllName.Buffer, wm->ldr.FullDllName.Length );
1539 wine_server_call( req );
1540 }
1541 SERVER_END_REQ;
1542
1543 if ((wm->ldr.Flags & LDR_IMAGE_IS_DLL) && TRACE_ON(snoop)) SNOOP_SetupDLL( module );
1544
1545 TRACE_(loaddll)( "Loaded %s at %p: native\n", debugstr_w(wm->ldr.FullDllName.Buffer), module );
1546
1547 wm->ldr.LoadCount = 1;
1548 *pwm = wm;
1549 status = STATUS_SUCCESS;
1550 done:
1551 NtClose( mapping );
1552 return status;
1553 }
1554
1555
1556 /***********************************************************************
1557 * load_builtin_dll
1558 */
1559 static NTSTATUS load_builtin_dll( LPCWSTR load_path, LPCWSTR path, HANDLE file,
1560 DWORD flags, WINE_MODREF** pwm )
1561 {
1562 char error[256], dllname[MAX_PATH];
1563 const WCHAR *name, *p;
1564 DWORD len, i;
1565 void *handle = NULL;
1566 struct builtin_load_info info, *prev_info;
1567
1568 /* Fix the name in case we have a full path and extension */
1569 name = path;
1570 if ((p = strrchrW( name, '\\' ))) name = p + 1;
1571 if ((p = strrchrW( name, '/' ))) name = p + 1;
1572
1573 /* load_library will modify info.status. Note also that load_library can be
1574 * called several times, if the .so file we're loading has dependencies.
1575 * info.status will gather all the errors we may get while loading all these
1576 * libraries
1577 */
1578 info.load_path = load_path;
1579 info.filename = NULL;
1580 info.status = STATUS_SUCCESS;
1581 info.wm = NULL;
1582
1583 if (file) /* we have a real file, try to load it */
1584 {
1585 UNICODE_STRING nt_name;
1586 ANSI_STRING unix_name;
1587
1588 TRACE("Trying built-in %s\n", debugstr_w(path));
1589
1590 if (!RtlDosPathNameToNtPathName_U( path, &nt_name, NULL, NULL ))
1591 return STATUS_DLL_NOT_FOUND;
1592
1593 if (wine_nt_to_unix_file_name( &nt_name, &unix_name, FILE_OPEN, FALSE ))
1594 {
1595 RtlFreeUnicodeString( &nt_name );
1596 return STATUS_DLL_NOT_FOUND;
1597 }
1598 prev_info = builtin_load_info;
1599 info.filename = nt_name.Buffer + 4; /* skip \??\ */
1600 builtin_load_info = &info;
1601 handle = wine_dlopen( unix_name.Buffer, RTLD_NOW, error, sizeof(error) );
1602 builtin_load_info = prev_info;
1603 RtlFreeUnicodeString( &nt_name );
1604 RtlFreeHeap( GetProcessHeap(), 0, unix_name.Buffer );
1605 if (!handle)
1606 {
1607 WARN( "failed to load .so lib for builtin %s: %s\n", debugstr_w(path), error );
1608 return STATUS_INVALID_IMAGE_FORMAT;
1609 }
1610 }
1611 else
1612 {
1613 int file_exists;
1614
1615 TRACE("Trying built-in %s\n", debugstr_w(name));
1616
1617 /* we don't want to depend on the current codepage here */
1618 len = strlenW( name ) + 1;
1619 if (len >= sizeof(dllname)) return STATUS_NAME_TOO_LONG;
1620 for (i = 0; i < len; i++)
1621 {
1622 if (name[i] > 127) return STATUS_DLL_NOT_FOUND;
1623 dllname[i] = (char)name[i];
1624 if (dllname[i] >= 'A' && dllname[i] <= 'Z') dllname[i] += 'a' - 'A';
1625 }
1626
1627 prev_info = builtin_load_info;
1628 builtin_load_info = &info;
1629 handle = wine_dll_load( dllname, error, sizeof(error), &file_exists );
1630 builtin_load_info = prev_info;
1631 if (!handle)
1632 {
1633 if (!file_exists)
1634 {
1635 /* The file does not exist -> WARN() */
1636 WARN("cannot open .so lib for builtin %s: %s\n", debugstr_w(name), error);
1637 return STATUS_DLL_NOT_FOUND;
1638 }
1639 /* ERR() for all other errors (missing functions, ...) */
1640 ERR("failed to load .so lib for builtin %s: %s\n", debugstr_w(name), error );
1641 return STATUS_PROCEDURE_NOT_FOUND;
1642 }
1643 }
1644
1645 if (info.status != STATUS_SUCCESS)
1646 {
1647 wine_dll_unload( handle );
1648 return info.status;
1649 }
1650
1651 if (!info.wm)
1652 {
1653 PLIST_ENTRY mark, entry;
1654
1655 /* The constructor wasn't called, this means the .so is already
1656 * loaded under a different name. Try to find the wm for it. */
1657
1658 mark = &NtCurrentTeb()->Peb->LdrData->InLoadOrderModuleList;
1659 for (entry = mark->Flink; entry != mark; entry = entry->Flink)
1660 {
1661 LDR_MODULE *mod = CONTAINING_RECORD(entry, LDR_MODULE, InLoadOrderModuleList);
1662 if (mod->Flags & LDR_WINE_INTERNAL && mod->SectionHandle == handle)
1663 {
1664 info.wm = CONTAINING_RECORD(mod, WINE_MODREF, ldr);
1665 TRACE( "Found %s at %p for builtin %s\n",
1666 debugstr_w(info.wm->ldr.FullDllName.Buffer), info.wm->ldr.BaseAddress, debugstr_w(path) );
1667 break;
1668 }
1669 }
1670 wine_dll_unload( handle ); /* release the libdl refcount */
1671 if (!info.wm) return STATUS_INVALID_IMAGE_FORMAT;
1672 if (info.wm->ldr.LoadCount != -1) info.wm->ldr.LoadCount++;
1673 }
1674 else
1675 {
1676 TRACE_(loaddll)( "Loaded %s at %p: builtin\n", debugstr_w(info.wm->ldr.FullDllName.Buffer), info.wm->ldr.BaseAddress );
1677 info.wm->ldr.LoadCount = 1;
1678 info.wm->ldr.SectionHandle = handle;
1679 }
1680
1681 *pwm = info.wm;
1682 return STATUS_SUCCESS;
1683 }
1684
1685
1686 /***********************************************************************
1687 * find_actctx_dll
1688 *
1689 * Find the full path (if any) of the dll from the activation context.
1690 */
1691 static NTSTATUS find_actctx_dll( LPCWSTR libname, LPWSTR *fullname )
1692 {
1693 static const WCHAR winsxsW[] = {'\\','w','i','n','s','x','s','\\'};
1694 static const WCHAR dotManifestW[] = {'.','m','a','n','i','f','e','s','t',0};
1695
1696 ACTIVATION_CONTEXT_ASSEMBLY_DETAILED_INFORMATION *info;
1697 ACTCTX_SECTION_KEYED_DATA data;
1698 UNICODE_STRING nameW;
1699 NTSTATUS status;
1700 SIZE_T needed, size = 1024;
1701 WCHAR *p;
1702
1703 RtlInitUnicodeString( &nameW, libname );
1704 data.cbSize = sizeof(data);
1705 status = RtlFindActivationContextSectionString( FIND_ACTCTX_SECTION_KEY_RETURN_HACTCTX, NULL,
1706 ACTIVATION_CONTEXT_SECTION_DLL_REDIRECTION,
1707 &nameW, &data );
1708 if (status != STATUS_SUCCESS) return status;
1709
1710 for (;;)
1711 {
1712 if (!(info = RtlAllocateHeap( GetProcessHeap(), 0, size )))
1713 {
1714 status = STATUS_NO_MEMORY;
1715 goto done;
1716 }
1717 status = RtlQueryInformationActivationContext( 0, data.hActCtx, &data.ulAssemblyRosterIndex,
1718 AssemblyDetailedInformationInActivationContext,
1719 info, size, &needed );
1720 if (status == STATUS_SUCCESS) break;
1721 if (status != STATUS_BUFFER_TOO_SMALL) goto done;
1722 RtlFreeHeap( GetProcessHeap(), 0, info );
1723 size = needed;
1724 /* restart with larger buffer */
1725 }
1726
1727 if (!info->lpAssemblyManifestPath || !info->lpAssemblyDirectoryName)
1728 {
1729 status = STATUS_SXS_KEY_NOT_FOUND;
1730 goto done;
1731 }
1732
1733 if ((p = strrchrW( info->lpAssemblyManifestPath, '\\' )))
1734 {
1735 DWORD dirlen = info->ulAssemblyDirectoryNameLength / sizeof(WCHAR);
1736
1737 p++;
1738 if (strncmpiW( p, info->lpAssemblyDirectoryName, dirlen ) || strcmpiW( p + dirlen, dotManifestW ))
1739 {
1740 /* manifest name does not match directory name, so it's not a global
1741 * windows/winsxs manifest; use the manifest directory name instead */
1742 dirlen = p - info->lpAssemblyManifestPath;
1743 needed = (dirlen + 1) * sizeof(WCHAR) + nameW.Length;
1744 if (!(*fullname = p = RtlAllocateHeap( GetProcessHeap(), 0, needed )))
1745 {
1746 status = STATUS_NO_MEMORY;
1747 goto done;
1748 }
1749 memcpy( p, info->lpAssemblyManifestPath, dirlen * sizeof(WCHAR) );
1750 p += dirlen;
1751 strcpyW( p, libname );
1752 goto done;
1753 }
1754 }
1755
1756 needed = (strlenW(user_shared_data->NtSystemRoot) * sizeof(WCHAR) +
1757 sizeof(winsxsW) + info->ulAssemblyDirectoryNameLength + nameW.Length + 2*sizeof(WCHAR));
1758
1759 if (!(*fullname = p = RtlAllocateHeap( GetProcessHeap(), 0, needed )))
1760 {
1761 status = STATUS_NO_MEMORY;
1762 goto done;
1763 }
1764 strcpyW( p, user_shared_data->NtSystemRoot );
1765 p += strlenW(p);
1766 memcpy( p, winsxsW, sizeof(winsxsW) );
1767 p += sizeof(winsxsW) / sizeof(WCHAR);
1768 memcpy( p, info->lpAssemblyDirectoryName, info->ulAssemblyDirectoryNameLength );
1769 p += info->ulAssemblyDirectoryNameLength / sizeof(WCHAR);
1770 *p++ = '\\';
1771 strcpyW( p, libname );
1772 done:
1773 RtlFreeHeap( GetProcessHeap(), 0, info );
1774 RtlReleaseActivationContext( data.hActCtx );
1775 return status;
1776 }
1777
1778
1779 /***********************************************************************
1780 * find_dll_file
1781 *
1782 * Find the file (or already loaded module) for a given dll name.
1783 */
1784 static NTSTATUS find_dll_file( const WCHAR *load_path, const WCHAR *libname,
1785 WCHAR *filename, ULONG *size, WINE_MODREF **pwm, HANDLE *handle )
1786 {
1787 OBJECT_ATTRIBUTES attr;
1788 IO_STATUS_BLOCK io;
1789 UNICODE_STRING nt_name;
1790 WCHAR *file_part, *ext, *dllname;
1791 ULONG len;
1792
1793 /* first append .dll if needed */
1794
1795 dllname = NULL;
1796 if (!(ext = strrchrW( libname, '.')) || strchrW( ext, '/' ) || strchrW( ext, '\\'))
1797 {
1798 if (!(dllname = RtlAllocateHeap( GetProcessHeap(), 0,
1799 (strlenW(libname) * sizeof(WCHAR)) + sizeof(dllW) )))
1800 return STATUS_NO_MEMORY;
1801 strcpyW( dllname, libname );
1802 strcatW( dllname, dllW );
1803 libname = dllname;
1804 }
1805
1806 nt_name.Buffer = NULL;
1807
1808 if (!contains_path( libname ))
1809 {
1810 NTSTATUS status;
1811 WCHAR *fullname = NULL;
1812
1813 if ((*pwm = find_basename_module( libname )) != NULL) goto found;
1814
1815 status = find_actctx_dll( libname, &fullname );
1816 if (status == STATUS_SUCCESS)
1817 {
1818 TRACE ("found %s for %s\n", debugstr_w(fullname), debugstr_w(libname) );
1819 RtlFreeHeap( GetProcessHeap(), 0, dllname );
1820 libname = dllname = fullname;
1821 }
1822 else if (status != STATUS_SXS_KEY_NOT_FOUND)
1823 {
1824 RtlFreeHeap( GetProcessHeap(), 0, dllname );
1825 return status;
1826 }
1827 }
1828
1829 if (RtlDetermineDosPathNameType_U( libname ) == RELATIVE_PATH)
1830 {
1831 /* we need to search for it */
1832 len = RtlDosSearchPath_U( load_path, libname, NULL, *size, filename, &file_part );
1833 if (len)
1834 {
1835 if (len >= *size) goto overflow;
1836 if ((*pwm = find_fullname_module( filename )) || !handle) goto found;
1837
1838 if (!RtlDosPathNameToNtPathName_U( filename, &nt_name, NULL, NULL ))
1839 {
1840 RtlFreeHeap( GetProcessHeap(), 0, dllname );
1841 return STATUS_NO_MEMORY;
1842 }
1843 attr.Length = sizeof(attr);
1844 attr.RootDirectory = 0;
1845 attr.Attributes = OBJ_CASE_INSENSITIVE;
1846 attr.ObjectName = &nt_name;
1847 attr.SecurityDescriptor = NULL;
1848 attr.SecurityQualityOfService = NULL;
1849 if (NtOpenFile( handle, GENERIC_READ, &attr, &io, FILE_SHARE_READ|FILE_SHARE_DELETE, 0 )) *handle = 0;
1850 goto found;
1851 }
1852
1853 /* not found */
1854
1855 if (!contains_path( libname ))
1856 {
1857 /* if libname doesn't contain a path at all, we simply return the name as is,
1858 * to be loaded as builtin */
1859 len = strlenW(libname) * sizeof(WCHAR);
1860 if (len >= *size) goto overflow;
1861 strcpyW( filename, libname );
1862 goto found;
1863 }
1864 }
1865
1866 /* absolute path name, or relative path name but not found above */
1867
1868 if (!RtlDosPathNameToNtPathName_U( libname, &nt_name, &file_part, NULL ))
1869 {
1870 RtlFreeHeap( GetProcessHeap(), 0, dllname );
1871 return STATUS_NO_MEMORY;
1872 }
1873 len = nt_name.Length - 4*sizeof(WCHAR); /* for \??\ prefix */
1874 if (len >= *size) goto overflow;
1875 memcpy( filename, nt_name.Buffer + 4, len + sizeof(WCHAR) );
1876 if (!(*pwm = find_fullname_module( filename )) && handle)
1877 {
1878 attr.Length = sizeof(attr);
1879 attr.RootDirectory = 0;
1880 attr.Attributes = OBJ_CASE_INSENSITIVE;
1881 attr.ObjectName = &nt_name;
1882 attr.SecurityDescriptor = NULL;
1883 attr.SecurityQualityOfService = NULL;
1884 if (NtOpenFile( handle, GENERIC_READ, &attr, &io, FILE_SHARE_READ|FILE_SHARE_DELETE, 0 )) *handle = 0;
1885 }
1886 found:
1887 RtlFreeUnicodeString( &nt_name );
1888 RtlFreeHeap( GetProcessHeap(), 0, dllname );
1889 return STATUS_SUCCESS;
1890
1891 overflow:
1892 RtlFreeUnicodeString( &nt_name );
1893 RtlFreeHeap( GetProcessHeap(), 0, dllname );
1894 *size = len + sizeof(WCHAR);
1895 return STATUS_BUFFER_TOO_SMALL;
1896 }
1897
1898
1899 /***********************************************************************
1900 * load_dll (internal)
1901 *
1902 * Load a PE style module according to the load order.
1903 * The loader_section must be locked while calling this function.
1904 */
1905 static NTSTATUS load_dll( LPCWSTR load_path, LPCWSTR libname, DWORD flags, WINE_MODREF** pwm )
1906 {
1907 enum loadorder loadorder;
1908 WCHAR buffer[32];
1909 WCHAR *filename;
1910 ULONG size;
1911 WINE_MODREF *main_exe;
1912 HANDLE handle = 0;
1913 NTSTATUS nts;
1914
1915 TRACE( "looking for %s in %s\n", debugstr_w(libname), debugstr_w(load_path) );
1916
1917 *pwm = NULL;
1918 filename = buffer;
1919 size = sizeof(buffer);
1920 for (;;)
1921 {
1922 nts = find_dll_file( load_path, libname, filename, &size, pwm, &handle );
1923 if (nts == STATUS_SUCCESS) break;
1924 if (filename != buffer) RtlFreeHeap( GetProcessHeap(), 0, filename );
1925 if (nts != STATUS_BUFFER_TOO_SMALL) return nts;
1926 /* grow the buffer and retry */
1927 if (!(filename = RtlAllocateHeap( GetProcessHeap(), 0, size ))) return STATUS_NO_MEMORY;
1928 }
1929
1930 if (*pwm) /* found already loaded module */
1931 {
1932 if ((*pwm)->ldr.LoadCount != -1) (*pwm)->ldr.LoadCount++;
1933
1934 if (!(flags & DONT_RESOLVE_DLL_REFERENCES)) fixup_imports( *pwm, load_path );
1935
1936 TRACE("Found %s for %s at %p, count=%d\n",
1937 debugstr_w((*pwm)->ldr.FullDllName.Buffer), debugstr_w(libname),
1938 (*pwm)->ldr.BaseAddress, (*pwm)->ldr.LoadCount);
1939 if (filename != buffer) RtlFreeHeap( GetProcessHeap(), 0, filename );
1940 return STATUS_SUCCESS;
1941 }
1942
1943 main_exe = get_modref( NtCurrentTeb()->Peb->ImageBaseAddress );
1944 loadorder = get_load_order( main_exe ? main_exe->ldr.BaseDllName.Buffer : NULL, filename );
1945
1946 if (handle && is_fake_dll( handle ))
1947 {
1948 TRACE( "%s is a fake Wine dll\n", debugstr_w(filename) );
1949 NtClose( handle );
1950 handle = 0;
1951 }
1952
1953 switch(loadorder)
1954 {
1955 case LO_INVALID:
1956 nts = STATUS_NO_MEMORY;
1957 break;
1958 case LO_DISABLED:
1959 nts = STATUS_DLL_NOT_FOUND;
1960 break;
1961 case LO_NATIVE:
1962 case LO_NATIVE_BUILTIN:
1963 if (!handle) nts = STATUS_DLL_NOT_FOUND;
1964 else
1965 {
1966 nts = load_native_dll( load_path, filename, handle, flags, pwm );
1967 if (nts == STATUS_INVALID_FILE_FOR_SECTION)
1968 /* not in PE format, maybe it's a builtin */
1969 nts = load_builtin_dll( load_path, filename, handle, flags, pwm );
1970 }
1971 if (nts == STATUS_DLL_NOT_FOUND && loadorder == LO_NATIVE_BUILTIN)
1972 nts = load_builtin_dll( load_path, filename, 0, flags, pwm );
1973 break;
1974 case LO_BUILTIN:
1975 case LO_BUILTIN_NATIVE:
1976 case LO_DEFAULT: /* default is builtin,native */
1977 nts = load_builtin_dll( load_path, filename, handle, flags, pwm );
1978 if (!handle) break; /* nothing else we can try */
1979 /* file is not a builtin library, try without using the specified file */
1980 if (nts != STATUS_SUCCESS)
1981 nts = load_builtin_dll( load_path, filename, 0, flags, pwm );
1982 if (nts == STATUS_SUCCESS && loadorder == LO_DEFAULT &&
1983 (MODULE_InitDLL( *pwm, DLL_WINE_PREATTACH, NULL ) != STATUS_SUCCESS))
1984 {
1985 /* stub-only dll, try native */
1986 TRACE( "%s pre-attach returned FALSE, preferring native\n", debugstr_w(filename) );
1987 LdrUnloadDll( (*pwm)->ldr.BaseAddress );
1988 nts = STATUS_DLL_NOT_FOUND;
1989 }
1990 if (nts == STATUS_DLL_NOT_FOUND && loadorder != LO_BUILTIN)
1991 nts = load_native_dll( load_path, filename, handle, flags, pwm );
1992 break;
1993 }
1994
1995 if (nts == STATUS_SUCCESS)
1996 {
1997 /* Initialize DLL just loaded */
1998 TRACE("Loaded module %s (%s) at %p\n", debugstr_w(filename),
1999 ((*pwm)->ldr.Flags & LDR_WINE_INTERNAL) ? "builtin" : "native",
2000 (*pwm)->ldr.BaseAddress);
2001 if (handle) NtClose( handle );
2002 if (filename != buffer) RtlFreeHeap( GetProcessHeap(), 0, filename );
2003 return nts;
2004 }
2005
2006 WARN("Failed to load module %s; status=%x\n", debugstr_w(libname), nts);
2007 if (handle) NtClose( handle );
2008 if (filename != buffer) RtlFreeHeap( GetProcessHeap(), 0, filename );
2009 return nts;
2010 }
2011
2012 /******************************************************************
2013 * LdrLoadDll (NTDLL.@)
2014 */
2015 NTSTATUS WINAPI DECLSPEC_HOTPATCH LdrLoadDll(LPCWSTR path_name, DWORD flags,
2016 const UNICODE_STRING *libname, HMODULE* hModule)
2017 {
2018 WINE_MODREF *wm;
2019 NTSTATUS nts;
2020
2021 RtlEnterCriticalSection( &loader_section );
2022
2023 if (!path_name) path_name = NtCurrentTeb()->Peb->ProcessParameters->DllPath.Buffer;
2024 nts = load_dll( path_name, libname->Buffer, flags, &wm );
2025
2026 if (nts == STATUS_SUCCESS && !(wm->ldr.Flags & LDR_DONT_RESOLVE_REFS))
2027 {
2028 nts = process_attach( wm, NULL );
2029 if (nts != STATUS_SUCCESS)
2030 {
2031 LdrUnloadDll(wm->ldr.BaseAddress);
2032 wm = NULL;
2033 }
2034 }
2035 *hModule = (wm) ? wm->ldr.BaseAddress : NULL;
2036
2037 RtlLeaveCriticalSection( &loader_section );
2038 return nts;
2039 }
2040
2041
2042 /******************************************************************
2043 * LdrGetDllHandle (NTDLL.@)
2044 */
2045 NTSTATUS WINAPI LdrGetDllHandle( LPCWSTR load_path, ULONG flags, const UNICODE_STRING *name, HMODULE *base )
2046 {
2047 NTSTATUS status;
2048 WCHAR buffer[128];
2049 WCHAR *filename;
2050 ULONG size;
2051 WINE_MODREF *wm;
2052
2053 RtlEnterCriticalSection( &loader_section );
2054
2055 if (!load_path) load_path = NtCurrentTeb()->Peb->ProcessParameters->DllPath.Buffer;
2056
2057 filename = buffer;
2058 size = sizeof(buffer);
2059 for (;;)
2060 {
2061 status = find_dll_file( load_path, name->Buffer, filename, &size, &wm, NULL );
2062 if (filename != buffer) RtlFreeHeap( GetProcessHeap(), 0, filename );
2063 if (status != STATUS_BUFFER_TOO_SMALL) break;
2064 /* grow the buffer and retry */
2065 if (!(filename = RtlAllocateHeap( GetProcessHeap(), 0, size )))
2066 {
2067 status = STATUS_NO_MEMORY;
2068 break;
2069 }
2070 }
2071
2072 if (status == STATUS_SUCCESS)
2073 {
2074 if (wm) *base = wm->ldr.BaseAddress;
2075 else status = STATUS_DLL_NOT_FOUND;
2076 }
2077
2078 RtlLeaveCriticalSection( &loader_section );
2079 TRACE( "%s -> %p (load path %s)\n", debugstr_us(name), status ? NULL : *base, debugstr_w(load_path) );
2080 return status;
2081 }
2082
2083
2084 /******************************************************************
2085 * LdrAddRefDll (NTDLL.@)
2086 */
2087 NTSTATUS WINAPI LdrAddRefDll( ULONG flags, HMODULE module )
2088 {
2089 NTSTATUS ret = STATUS_SUCCESS;
2090 WINE_MODREF *wm;
2091
2092 if (flags) FIXME( "%p flags %x not implemented\n", module, flags );
2093
2094 RtlEnterCriticalSection( &loader_section );
2095
2096 if ((wm = get_modref( module )))
2097 {
2098 if (wm->ldr.LoadCount != -1) wm->ldr.LoadCount++;
2099 TRACE( "(%s) ldr.LoadCount: %d\n", debugstr_w(wm->ldr.BaseDllName.Buffer), wm->ldr.LoadCount );
2100 }
2101 else ret = STATUS_INVALID_PARAMETER;
2102
2103 RtlLeaveCriticalSection( &loader_section );
2104 return ret;
2105 }
2106
2107
2108 /***********************************************************************
2109 * LdrProcessRelocationBlock (NTDLL.@)
2110 *
2111 * Apply relocations to a given page of a mapped PE image.
2112 */
2113 IMAGE_BASE_RELOCATION * WINAPI LdrProcessRelocationBlock( void *page, UINT count,
2114 USHORT *relocs, INT_PTR delta )
2115 {
2116 while (count--)
2117 {
2118 USHORT offset = *relocs & 0xfff;
2119 int type = *relocs >> 12;
2120 switch(type)
2121 {
2122 case IMAGE_REL_BASED_ABSOLUTE:
2123 break;
2124 case IMAGE_REL_BASED_HIGH:
2125 *(short *)((char *)page + offset) += HIWORD(delta);
2126 break;
2127 case IMAGE_REL_BASED_LOW:
2128 *(short *)((char *)page + offset) += LOWORD(delta);
2129 break;
2130 case IMAGE_REL_BASED_HIGHLOW:
2131 *(int *)((char *)page + offset) += delta;
2132 break;
2133 #ifdef __x86_64__
2134 case IMAGE_REL_BASED_DIR64:
2135 *(INT_PTR *)((char *)page + offset) += delta;
2136 break;
2137 #endif
2138 default:
2139 FIXME("Unknown/unsupported fixup type %x.\n", type);
2140 return NULL;
2141 }
2142 relocs++;
2143 }
2144 return (IMAGE_BASE_RELOCATION *)relocs; /* return address of next block */
2145 }
2146
2147
2148 /******************************************************************
2149 * LdrQueryProcessModuleInformation
2150 *
2151 */
2152 NTSTATUS WINAPI LdrQueryProcessModuleInformation(PSYSTEM_MODULE_INFORMATION smi,
2153 ULONG buf_size, ULONG* req_size)
2154 {
2155 SYSTEM_MODULE* sm = &smi->Modules[0];
2156 ULONG size = sizeof(ULONG);
2157 NTSTATUS nts = STATUS_SUCCESS;
2158 ANSI_STRING str;
2159 char* ptr;
2160 PLIST_ENTRY mark, entry;
2161 PLDR_MODULE mod;
2162 WORD id = 0;
2163
2164 smi->ModulesCount = 0;
2165
2166 RtlEnterCriticalSection( &loader_section );
2167 mark = &NtCurrentTeb()->Peb->LdrData->InLoadOrderModuleList;
2168 for (entry = mark->Flink; entry != mark; entry = entry->Flink)
2169 {
2170 mod = CONTAINING_RECORD(entry, LDR_MODULE, InLoadOrderModuleList);
2171 size += sizeof(*sm);
2172 if (size <= buf_size)
2173 {
2174 sm->Reserved1 = 0; /* FIXME */
2175 sm->Reserved2 = 0; /* FIXME */
2176 sm->ImageBaseAddress = mod->BaseAddress;
2177 sm->ImageSize = mod->SizeOfImage;
2178 sm->Flags = mod->Flags;
2179 sm->Id = id++;
2180 sm->Rank = 0; /* FIXME */
2181 sm->Unknown = 0; /* FIXME */
2182 str.Length = 0;
2183 str.MaximumLength = MAXIMUM_FILENAME_LENGTH;
2184 str.Buffer = (char*)sm->Name;
2185 RtlUnicodeStringToAnsiString(&str, &mod->FullDllName, FALSE);
2186 ptr = strrchr(str.Buffer, '\\');
2187 sm->NameOffset = (ptr != NULL) ? (ptr - str.Buffer + 1) : 0;
2188
2189 smi->ModulesCount++;
2190 sm++;
2191 }
2192 else nts = STATUS_INFO_LENGTH_MISMATCH;
2193 }
2194 RtlLeaveCriticalSection( &loader_section );
2195
2196 if (req_size) *req_size = size;
2197
2198 return nts;
2199 }
2200
2201
2202 static NTSTATUS query_dword_option( HANDLE hkey, LPCWSTR name, ULONG *value )
2203 {
2204 NTSTATUS status;
2205 UNICODE_STRING str;
2206 ULONG size;
2207 WCHAR buffer[64];
2208 KEY_VALUE_PARTIAL_INFORMATION *info = (KEY_VALUE_PARTIAL_INFORMATION *)buffer;
2209
2210 RtlInitUnicodeString( &str, name );
2211
2212 size = sizeof(buffer) - sizeof(WCHAR);
2213 if ((status = NtQueryValueKey( hkey, &str, KeyValuePartialInformation, buffer, size, &size )))
2214 return status;
2215
2216 if (info->Type != REG_DWORD)
2217 {
2218 buffer[size / sizeof(WCHAR)] = 0;
2219 *value = strtoulW( (WCHAR *)info->Data, 0, 16 );
2220 }
2221 else memcpy( value, info->Data, sizeof(*value) );
2222 return status;
2223 }
2224
2225 static NTSTATUS query_string_option( HANDLE hkey, LPCWSTR name, ULONG type,
2226 void *data, ULONG in_size, ULONG *out_size )
2227 {
2228 NTSTATUS status;
2229 UNICODE_STRING str;
2230 ULONG size;
2231 char *buffer;
2232 KEY_VALUE_PARTIAL_INFORMATION *info;
2233 static const int info_size = FIELD_OFFSET( KEY_VALUE_PARTIAL_INFORMATION, Data );
2234
2235 RtlInitUnicodeString( &str, name );
2236
2237 size = info_size + in_size;
2238 if (!(buffer = RtlAllocateHeap( GetProcessHeap(), 0, size ))) return STATUS_NO_MEMORY;
2239 info = (KEY_VALUE_PARTIAL_INFORMATION *)buffer;
2240 status = NtQueryValueKey( hkey, &str, KeyValuePartialInformation, buffer, size, &size );
2241 if (!status || status == STATUS_BUFFER_OVERFLOW)
2242 {
2243 if (out_size) *out_size = info->DataLength;
2244 if (data && !status) memcpy( data, info->Data, info->DataLength );
2245 }
2246 RtlFreeHeap( GetProcessHeap(), 0, buffer );
2247 return status;
2248 }
2249
2250
2251 /******************************************************************
2252 * LdrQueryImageFileExecutionOptions (NTDLL.@)
2253 */
2254 NTSTATUS WINAPI LdrQueryImageFileExecutionOptions( const UNICODE_STRING *key, LPCWSTR value, ULONG type,
2255 void *data, ULONG in_size, ULONG *out_size )
2256 {
2257 static const WCHAR optionsW[] = {'M','a','c','h','i','n','e','\\',
2258 'S','o','f','t','w','a','r','e','\\',
2259 'M','i','c','r','o','s','o','f','t','\\',
2260 'W','i','n','d','o','w','s',' ','N','T','\\',
2261 'C','u','r','r','e','n','t','V','e','r','s','i','o','n','\\',
2262 'I','m','a','g','e',' ','F','i','l','e',' ',
2263 'E','x','e','c','u','t','i','o','n',' ','O','p','t','i','o','n','s','\\'};
2264 WCHAR path[MAX_PATH + sizeof(optionsW)/sizeof(WCHAR)];
2265 OBJECT_ATTRIBUTES attr;
2266 UNICODE_STRING name_str;
2267 HANDLE hkey;
2268 NTSTATUS status;
2269 ULONG len;
2270 WCHAR *p;
2271
2272 attr.Length = sizeof(attr);
2273 attr.RootDirectory = 0;
2274 attr.ObjectName = &name_str;
2275 attr.Attributes = OBJ_CASE_INSENSITIVE;
2276 attr.SecurityDescriptor = NULL;
2277 attr.SecurityQualityOfService = NULL;
2278
2279 if ((p = memrchrW( key->Buffer, '\\', key->Length / sizeof(WCHAR) ))) p++;
2280 else p = key->Buffer;
2281 len = key->Length - (p - key->Buffer) * sizeof(WCHAR);
2282 name_str.Buffer = path;
2283 name_str.Length = sizeof(optionsW) + len;
2284 name_str.MaximumLength = name_str.Length;
2285 memcpy( path, optionsW, sizeof(optionsW) );
2286 memcpy( path + sizeof(optionsW)/sizeof(WCHAR), p, len );
2287 if ((status = NtOpenKey( &hkey, KEY_QUERY_VALUE, &attr ))) return status;
2288
2289 if (type == REG_DWORD)
2290 {
2291 if (out_size) *out_size = sizeof(ULONG);
2292 if (in_size >= sizeof(ULONG)) status = query_dword_option( hkey, value, data );
2293 else status = STATUS_BUFFER_OVERFLOW;
2294 }
2295 else status = query_string_option( hkey, value, type, data, in_size, out_size );
2296
2297 NtClose( hkey );
2298 return status;
2299 }
2300
2301
2302 /******************************************************************
2303 * RtlDllShutdownInProgress (NTDLL.@)
2304 */
2305 BOOLEAN WINAPI RtlDllShutdownInProgress(void)
2306 {
2307 return process_detaching;
2308 }
2309
2310
2311 /******************************************************************
2312 * LdrShutdownProcess (NTDLL.@)
2313 *
2314 */
2315 void WINAPI LdrShutdownProcess(void)
2316 {
2317 TRACE("()\n");
2318 process_detach( TRUE, (LPVOID)1 );
2319 }
2320
2321 /******************************************************************
2322 * LdrShutdownThread (NTDLL.@)
2323 *
2324 */
2325 void WINAPI LdrShutdownThread(void)
2326 {
2327 PLIST_ENTRY mark, entry;
2328 PLDR_MODULE mod;
2329
2330 TRACE("()\n");
2331
2332 /* don't do any detach calls if process is exiting */
2333 if (process_detaching) return;
2334 /* FIXME: there is still a race here */
2335
2336 RtlEnterCriticalSection( &loader_section );
2337
2338 mark = &NtCurrentTeb()->Peb->LdrData->InInitializationOrderModuleList;
2339 for (entry = mark->Blink; entry != mark; entry = entry->Blink)
2340 {
2341 mod = CONTAINING_RECORD(entry, LDR_MODULE,
2342 InInitializationOrderModuleList);
2343 if ( !(mod->Flags & LDR_PROCESS_ATTACHED) )
2344 continue;
2345 if ( mod->Flags & LDR_NO_DLL_CALLS )
2346 continue;
2347
2348 MODULE_InitDLL( CONTAINING_RECORD(mod, WINE_MODREF, ldr),
2349 DLL_THREAD_DETACH, NULL );
2350 }
2351
2352 RtlLeaveCriticalSection( &loader_section );
2353 RtlFreeHeap( GetProcessHeap(), 0, NtCurrentTeb()->ThreadLocalStoragePointer );
2354 }
2355
2356
2357 /***********************************************************************
2358 * free_modref
2359 *
2360 */
2361 static void free_modref( WINE_MODREF *wm )
2362 {
2363 RemoveEntryList(&wm->ldr.InLoadOrderModuleList);
2364 RemoveEntryList(&wm->ldr.InMemoryOrderModuleList);
2365 if (wm->ldr.InInitializationOrderModuleList.Flink)
2366 RemoveEntryList(&wm->ldr.InInitializationOrderModuleList);
2367
2368 TRACE(" unloading %s\n", debugstr_w(wm->ldr.FullDllName.Buffer));
2369 if (!TRACE_ON(module))
2370 TRACE_(loaddll)("Unloaded module %s : %s\n",
2371 debugstr_w(wm->ldr.FullDllName.Buffer),
2372 (wm->ldr.Flags & LDR_WINE_INTERNAL) ? "builtin" : "native" );
2373
2374 SERVER_START_REQ( unload_dll )
2375 {
2376 req->base = wine_server_client_ptr( wm->ldr.BaseAddress );
2377 wine_server_call( req );
2378 }
2379 SERVER_END_REQ;
2380
2381 RtlReleaseActivationContext( wm->ldr.ActivationContext );
2382 NtUnmapViewOfSection( NtCurrentProcess(), wm->ldr.BaseAddress );
2383 if (wm->ldr.Flags & LDR_WINE_INTERNAL) wine_dll_unload( wm->ldr.SectionHandle );
2384 if (cached_modref == wm) cached_modref = NULL;
2385 RtlFreeUnicodeString( &wm->ldr.FullDllName );
2386 RtlFreeHeap( GetProcessHeap(), 0, wm->deps );
2387 RtlFreeHeap( GetProcessHeap(), 0, wm );
2388 }
2389
2390 /***********************************************************************
2391 * MODULE_FlushModrefs
2392 *
2393 * Remove all unused modrefs and call the internal unloading routines
2394 * for the library type.
2395 *
2396 * The loader_section must be locked while calling this function.
2397 */
2398 static void MODULE_FlushModrefs(void)
2399 {
2400 PLIST_ENTRY mark, entry, prev;
2401 PLDR_MODULE mod;
2402 WINE_MODREF*wm;
2403
2404 mark = &NtCurrentTeb()->Peb->LdrData->InInitializationOrderModuleList;
2405 for (entry = mark->Blink; entry != mark; entry = prev)
2406 {
2407 mod = CONTAINING_RECORD(entry, LDR_MODULE, InInitializationOrderModuleList);
2408 wm = CONTAINING_RECORD(mod, WINE_MODREF, ldr);
2409 prev = entry->Blink;
2410 if (!mod->LoadCount) free_modref( wm );
2411 }
2412
2413 /* check load order list too for modules that haven't been initialized yet */
2414 mark = &NtCurrentTeb()->Peb->LdrData->InLoadOrderModuleList;
2415 for (entry = mark->Blink; entry != mark; entry = prev)
2416 {
2417 mod = CONTAINING_RECORD(entry, LDR_MODULE, InLoadOrderModuleList);
2418 wm = CONTAINING_RECORD(mod, WINE_MODREF, ldr);
2419 prev = entry->Blink;
2420 if (!mod->LoadCount) free_modref( wm );
2421 }
2422 }
2423
2424 /***********************************************************************
2425 * MODULE_DecRefCount
2426 *
2427 * The loader_section must be locked while calling this function.
2428 */
2429 static void MODULE_DecRefCount( WINE_MODREF *wm )
2430 {
2431 int i;
2432
2433 if ( wm->ldr.Flags & LDR_UNLOAD_IN_PROGRESS )
2434 return;
2435
2436 if ( wm->ldr.LoadCount <= 0 )
2437 return;
2438
2439 --wm->ldr.LoadCount;
2440 TRACE("(%s) ldr.LoadCount: %d\n", debugstr_w(wm->ldr.BaseDllName.Buffer), wm->ldr.LoadCount );
2441
2442 if ( wm->ldr.LoadCount == 0 )
2443 {
2444 wm->ldr.Flags |= LDR_UNLOAD_IN_PROGRESS;
2445
2446 for ( i = 0; i < wm->nDeps; i++ )
2447 if ( wm->deps[i] )
2448 MODULE_DecRefCount( wm->deps[i] );
2449
2450 wm->ldr.Flags &= ~LDR_UNLOAD_IN_PROGRESS;
2451 }
2452 }
2453
2454 /******************************************************************
2455 * LdrUnloadDll (NTDLL.@)
2456 *
2457 *
2458 */
2459 NTSTATUS WINAPI LdrUnloadDll( HMODULE hModule )
2460 {
2461 NTSTATUS retv = STATUS_SUCCESS;
2462
2463 TRACE("(%p)\n", hModule);
2464
2465 RtlEnterCriticalSection( &loader_section );
2466
2467 /* if we're stopping the whole process (and forcing the removal of all
2468 * DLLs) the library will be freed anyway
2469 */
2470 if (!process_detaching)
2471 {
2472 WINE_MODREF *wm;
2473
2474 free_lib_count++;
2475 if ((wm = get_modref( hModule )) != NULL)
2476 {
2477 TRACE("(%s) - START\n", debugstr_w(wm->ldr.BaseDllName.Buffer));
2478
2479 /* Recursively decrement reference counts */
2480 MODULE_DecRefCount( wm );
2481
2482 /* Call process detach notifications */
2483 if ( free_lib_count <= 1 )
2484 {
2485 process_detach( FALSE, NULL );
2486 MODULE_FlushModrefs();
2487 }
2488
2489 TRACE("END\n");
2490 }
2491 else
2492 retv = STATUS_DLL_NOT_FOUND;
2493
2494 free_lib_count--;
2495 }
2496
2497 RtlLeaveCriticalSection( &loader_section );
2498
2499 return retv;
2500 }
2501
2502 /***********************************************************************
2503 * RtlImageNtHeader (NTDLL.@)
2504 */
2505 PIMAGE_NT_HEADERS WINAPI RtlImageNtHeader(HMODULE hModule)
2506 {
2507 IMAGE_NT_HEADERS *ret;
2508
2509 __TRY
2510 {
2511 IMAGE_DOS_HEADER *dos = (IMAGE_DOS_HEADER *)hModule;
2512
2513 ret = NULL;
2514 if (dos->e_magic == IMAGE_DOS_SIGNATURE)
2515 {
2516 ret = (IMAGE_NT_HEADERS *)((char *)dos + dos->e_lfanew);
2517 if (ret->Signature != IMAGE_NT_SIGNATURE) ret = NULL;
2518 }
2519 }
2520 __EXCEPT_PAGE_FAULT
2521 {
2522 return NULL;
2523 }
2524 __ENDTRY
2525 return ret;
2526 }
2527
2528
2529 /***********************************************************************
2530 * attach_process_dlls
2531 *
2532 * Initial attach to all the dlls loaded by the process.
2533 */
2534 static NTSTATUS attach_process_dlls( void *wm )
2535 {
2536 NTSTATUS status;
2537
2538 pthread_sigmask( SIG_UNBLOCK, &server_block_set, NULL );
2539
2540 RtlEnterCriticalSection( &loader_section );
2541 if ((status = process_attach( wm, (LPVOID)1 )) != STATUS_SUCCESS)
2542 {
2543 if (last_failed_modref)
2544 ERR( "%s failed to initialize, aborting\n",
2545 debugstr_w(last_failed_modref->ldr.BaseDllName.Buffer) + 1 );
2546 return status;
2547 }
2548 attach_implicitly_loaded_dlls( (LPVOID)1 );
2549 RtlLeaveCriticalSection( &loader_section );
2550 return status;
2551 }
2552
2553
2554 /***********************************************************************
2555 * load_global_options
2556 */
2557 static void load_global_options(void)
2558 {
2559 static const WCHAR sessionW[] = {'M','a','c','h','i','n','e','\\',
2560 'S','y','s','t','e','m','\\',
2561 'C','u','r','r','e','n','t','C','o','n','t','r','o','l','S','e','t','\\',
2562 'C','o','n','t','r','o','l','\\',
2563 'S','e','s','s','i','o','n',' ','M','a','n','a','g','e','r',0};
2564 static const WCHAR globalflagW[] = {'G','l','o','b','a','l','F','l','a','g',0};
2565 static const WCHAR critsectW[] = {'C','r','i','t','i','c','a','l','S','e','c','t','i','o','n','T','i','m','e','o','u','t',0};
2566 static const WCHAR heapresW[] = {'H','e','a','p','S','e','g','m','e','n','t','R','e','s','e','r','v','e',0};
2567 static const WCHAR heapcommitW[] = {'H','e','a','p','S','e','g','m','e','n','t','C','o','m','m','i','t',0};
2568 static const WCHAR decommittotalW[] = {'H','e','a','p','D','e','C','o','m','m','i','t','T','o','t','a','l','F','r','e','e','T','h','r','e','s','h','o','l','d',0};
2569 static const WCHAR decommitfreeW[] = {'H','e','a','p','D','e','C','o','m','m','i','t','F','r','e','e','B','l','o','c','k','T','h','r','e','s','h','o','l','d',0};
2570
2571 OBJECT_ATTRIBUTES attr;
2572 UNICODE_STRING name_str;
2573 HANDLE hkey;
2574 ULONG value;
2575
2576 attr.Length = sizeof(attr);
2577 attr.RootDirectory = 0;
2578 attr.ObjectName = &name_str;
2579 attr.Attributes = OBJ_CASE_INSENSITIVE;
2580 attr.SecurityDescriptor = NULL;
2581 attr.SecurityQualityOfService = NULL;
2582 RtlInitUnicodeString( &name_str, sessionW );
2583
2584 if (NtOpenKey( &hkey, KEY_QUERY_VALUE, &attr )) return;
2585
2586 query_dword_option( hkey, globalflagW, &NtCurrentTeb()->Peb->NtGlobalFlag );
2587
2588 query_dword_option( hkey, critsectW, &value );
2589 NtCurrentTeb()->Peb->CriticalSectionTimeout.QuadPart = (ULONGLONG)value * -10000000;
2590
2591 query_dword_option( hkey, heapresW, &value );
2592 NtCurrentTeb()->Peb->HeapSegmentReserve = value;
2593
2594 query_dword_option( hkey, heapcommitW, &value );
2595 NtCurrentTeb()->Peb->HeapSegmentCommit = value;
2596
2597 query_dword_option( hkey, decommittotalW, &value );
2598 NtCurrentTeb()->Peb->HeapDeCommitTotalFreeThreshold = value;
2599
2600 query_dword_option( hkey, decommitfreeW, &value );
2601 NtCurrentTeb()->Peb->HeapDeCommitFreeBlockThreshold = value;
2602
2603 NtClose( hkey );
2604 }
2605
2606
2607 /***********************************************************************
2608 * start_process
2609 */
2610 static void start_process( void *kernel_start )
2611 {
2612 call_thread_entry_point( kernel_start, NtCurrentTeb()->Peb );
2613 }
2614
2615 /******************************************************************
2616 * LdrInitializeThunk (NTDLL.@)
2617 *
2618 */
2619 void WINAPI LdrInitializeThunk( void *kernel_start, ULONG_PTR unknown2,
2620 ULONG_PTR unknown3, ULONG_PTR unknown4 )
2621 {
2622 static const WCHAR globalflagW[] = {'G','l','o','b','a','l','F','l','a','g',0};
2623 NTSTATUS status;
2624 WINE_MODREF *wm;
2625 LPCWSTR load_path;
2626 PEB *peb = NtCurrentTeb()->Peb;
2627 IMAGE_NT_HEADERS *nt = RtlImageNtHeader( peb->ImageBaseAddress );
2628
2629 if (main_exe_file) NtClose( main_exe_file ); /* at this point the main module is created */
2630
2631 /* allocate the modref for the main exe (if not already done) */
2632 wm = get_modref( peb->ImageBaseAddress );
2633 assert( wm );
2634 if (wm->ldr.Flags & LDR_IMAGE_IS_DLL)
2635 {
2636 ERR("%s is a dll, not an executable\n", debugstr_w(wm->ldr.FullDllName.Buffer) );
2637 exit(1);
2638 }
2639
2640 peb->LoaderLock = &loader_section;
2641 peb->ProcessParameters->ImagePathName = wm->ldr.FullDllName;
2642 if (!peb->ProcessParameters->WindowTitle.Buffer)
2643 peb->ProcessParameters->WindowTitle = wm->ldr.FullDllName;
2644 version_init( wm->ldr.FullDllName.Buffer );
2645
2646 LdrQueryImageFileExecutionOptions( &peb->ProcessParameters->ImagePathName, globalflagW,
2647 REG_DWORD, &peb->NtGlobalFlag, sizeof(peb->NtGlobalFlag), NULL );
2648
2649 /* the main exe needs to be the first in the load order list */
2650 RemoveEntryList( &wm->ldr.InLoadOrderModuleList );
2651 InsertHeadList( &peb->LdrData->InLoadOrderModuleList, &wm->ldr.InLoadOrderModuleList );
2652
2653 if ((status = virtual_alloc_thread_stack( NtCurrentTeb(), 0, 0 )) != STATUS_SUCCESS) goto error;
2654 if ((status = server_init_process_done()) != STATUS_SUCCESS) goto error;
2655
2656 actctx_init();
2657 load_path = NtCurrentTeb()->Peb->ProcessParameters->DllPath.Buffer;
2658 if ((status = fixup_imports( wm, load_path )) != STATUS_SUCCESS) goto error;
2659 if ((status = alloc_process_tls()) != STATUS_SUCCESS) goto error;
2660 if ((status = alloc_thread_tls()) != STATUS_SUCCESS) goto error;
2661 heap_set_debug_flags( GetProcessHeap() );
2662
2663 status = wine_call_on_stack( attach_process_dlls, wm, NtCurrentTeb()->Tib.StackBase );
2664 if (status != STATUS_SUCCESS) goto error;
2665
2666 virtual_release_address_space( nt->FileHeader.Characteristics & IMAGE_FILE_LARGE_ADDRESS_AWARE );
2667 virtual_clear_thread_stack();
2668 wine_switch_to_stack( start_process, kernel_start, NtCurrentTeb()->Tib.StackBase );
2669
2670 error:
2671 ERR( "Main exe initialization for %s failed, status %x\n",
2672 debugstr_w(peb->ProcessParameters->ImagePathName.Buffer), status );
2673 NtTerminateProcess( GetCurrentProcess(), status );
2674 }
2675
2676
2677 /***********************************************************************
2678 * RtlImageDirectoryEntryToData (NTDLL.@)
2679 */
2680 PVOID WINAPI RtlImageDirectoryEntryToData( HMODULE module, BOOL image, WORD dir, ULONG *size )
2681 {
2682 const IMAGE_NT_HEADERS *nt;
2683 DWORD addr;
2684
2685 if ((ULONG_PTR)module & 1) /* mapped as data file */
2686 {
2687 module = (HMODULE)((ULONG_PTR)module & ~1);
2688 image = FALSE;
2689 }
2690 if (!(nt = RtlImageNtHeader( module ))) return NULL;
2691 if (nt->OptionalHeader.Magic == IMAGE_NT_OPTIONAL_HDR64_MAGIC)
2692 {
2693 const IMAGE_NT_HEADERS64 *nt64 = (const IMAGE_NT_HEADERS64 *)nt;
2694
2695 if (dir >= nt64->OptionalHeader.NumberOfRvaAndSizes) return NULL;
2696 if (!(addr = nt64->OptionalHeader.DataDirectory[dir].VirtualAddress)) return NULL;
2697 *size = nt64->OptionalHeader.DataDirectory[dir].Size;
2698 if (image || addr < nt64->OptionalHeader.SizeOfHeaders) return (char *)module + addr;
2699 }
2700 else if (nt->OptionalHeader.Magic == IMAGE_NT_OPTIONAL_HDR32_MAGIC)
2701 {
2702 const IMAGE_NT_HEADERS32 *nt32 = (const IMAGE_NT_HEADERS32 *)nt;
2703
2704 if (dir >= nt32->OptionalHeader.NumberOfRvaAndSizes) return NULL;
2705 if (!(addr = nt32->OptionalHeader.DataDirectory[dir].VirtualAddress)) return NULL;
2706 *size = nt32->OptionalHeader.DataDirectory[dir].Size;
2707 if (image || addr < nt32->OptionalHeader.SizeOfHeaders) return (char *)module + addr;
2708 }
2709 else return NULL;
2710
2711 /* not mapped as image, need to find the section containing the virtual address */
2712 return RtlImageRvaToVa( nt, module, addr, NULL );
2713 }
2714
2715
2716 /***********************************************************************
2717 * RtlImageRvaToSection (NTDLL.@)
2718 */
2719 PIMAGE_SECTION_HEADER WINAPI RtlImageRvaToSection( const IMAGE_NT_HEADERS *nt,
2720 HMODULE module, DWORD rva )
2721 {
2722 int i;
2723 const IMAGE_SECTION_HEADER *sec;
2724
2725 sec = (const IMAGE_SECTION_HEADER*)((const char*)&nt->OptionalHeader +
2726 nt->FileHeader.SizeOfOptionalHeader);
2727 for (i = 0; i < nt->FileHeader.NumberOfSections; i++, sec++)
2728 {
2729 if ((sec->VirtualAddress <= rva) && (sec->VirtualAddress + sec->SizeOfRawData > rva))
2730 return (PIMAGE_SECTION_HEADER)sec;
2731 }
2732 return NULL;
2733 }
2734
2735
2736 /***********************************************************************
2737 * RtlImageRvaToVa (NTDLL.@)
2738 */
2739 PVOID WINAPI RtlImageRvaToVa( const IMAGE_NT_HEADERS *nt, HMODULE module,
2740 DWORD rva, IMAGE_SECTION_HEADER **section )
2741 {
2742 IMAGE_SECTION_HEADER *sec;
2743
2744 if (section && *section) /* try this section first */
2745 {
2746 sec = *section;
2747 if ((sec->VirtualAddress <= rva) && (sec->VirtualAddress + sec->SizeOfRawData > rva))
2748 goto found;
2749 }
2750 if (!(sec = RtlImageRvaToSection( nt, module, rva ))) return NULL;
2751 found:
2752 if (section) *section = sec;
2753 return (char *)module + sec->PointerToRawData + (rva - sec->VirtualAddress);
2754 }
2755
2756
2757 /***********************************************************************
2758 * RtlPcToFileHeader (NTDLL.@)
2759 */
2760 PVOID WINAPI RtlPcToFileHeader( PVOID pc, PVOID *address )
2761 {
2762 LDR_MODULE *module;
2763 PVOID ret = NULL;
2764
2765 RtlEnterCriticalSection( &loader_section );
2766 if (!LdrFindEntryForAddress( pc, &module )) ret = module->BaseAddress;
2767 RtlLeaveCriticalSection( &loader_section );
2768 *address = ret;
2769 return ret;
2770 }
2771
2772
2773 /***********************************************************************
2774 * NtLoadDriver (NTDLL.@)
2775 * ZwLoadDriver (NTDLL.@)
2776 */
2777 NTSTATUS WINAPI NtLoadDriver( const UNICODE_STRING *DriverServiceName )
2778 {
2779 FIXME("(%p), stub!\n",DriverServiceName);
2780 return STATUS_NOT_IMPLEMENTED;
2781 }
2782
2783
2784 /***********************************************************************
2785 * NtUnloadDriver (NTDLL.@)
2786 * ZwUnloadDriver (NTDLL.@)
2787 */
2788 NTSTATUS WINAPI NtUnloadDriver( const UNICODE_STRING *DriverServiceName )
2789 {
2790 FIXME("(%p), stub!\n",DriverServiceName);
2791 return STATUS_NOT_IMPLEMENTED;
2792 }
2793
2794
2795 /******************************************************************
2796 * DllMain (NTDLL.@)
2797 */
2798 BOOL WINAPI DllMain( HINSTANCE inst, DWORD reason, LPVOID reserved )
2799 {
2800 if (reason == DLL_PROCESS_ATTACH) LdrDisableThreadCalloutsForDll( inst );
2801 return TRUE;
2802 }
2803
2804
2805 /******************************************************************
2806 * __wine_init_windows_dir (NTDLL.@)
2807 *
2808 * Windows and system dir initialization once kernel32 has been loaded.
2809 */
2810 void CDECL __wine_init_windows_dir( const WCHAR *windir, const WCHAR *sysdir )
2811 {
2812 PLIST_ENTRY mark, entry;
2813 LPWSTR buffer, p;
2814
2815 strcpyW( user_shared_data->NtSystemRoot, windir );
2816 DIR_init_windows_dir( windir, sysdir );
2817
2818 /* prepend the system dir to the name of the already created modules */
2819 mark = &NtCurrentTeb()->Peb->LdrData->InLoadOrderModuleList;
2820 for (entry = mark->Flink; entry != mark; entry = entry->Flink)
2821 {
2822 LDR_MODULE *mod = CONTAINING_RECORD( entry, LDR_MODULE, InLoadOrderModuleList );
2823
2824 assert( mod->Flags & LDR_WINE_INTERNAL );
2825
2826 buffer = RtlAllocateHeap( GetProcessHeap(), 0,
2827 system_dir.Length + mod->FullDllName.Length + 2*sizeof(WCHAR) );
2828 if (!buffer) continue;
2829 strcpyW( buffer, system_dir.Buffer );
2830 p = buffer + strlenW( buffer );
2831 if (p > buffer && p[-1] != '\\') *p++ = '\\';
2832 strcpyW( p, mod->FullDllName.Buffer );
2833 RtlInitUnicodeString( &mod->FullDllName, buffer );
2834 RtlInitUnicodeString( &mod->BaseDllName, p );
2835 }
2836 }
2837
2838
2839 /***********************************************************************
2840 * __wine_process_init
2841 */
2842 void __wine_process_init(void)
2843 {
2844 static const WCHAR kernel32W[] = {'k','e','r','n','e','l','3','2','.','d','l','l',0};
2845
2846 WINE_MODREF *wm;
2847 NTSTATUS status;
2848 ANSI_STRING func_name;
2849 void (* DECLSPEC_NORETURN CDECL init_func)(void);
2850
2851 main_exe_file = thread_init();
2852
2853 /* retrieve current umask */
2854 FILE_umask = umask(0777);
2855 umask( FILE_umask );
2856
2857 load_global_options();
2858
2859 /* setup the load callback and create ntdll modref */
2860 wine_dll_set_callback( load_builtin_callback );
2861
2862 if ((status = load_builtin_dll( NULL, kernel32W, 0, 0, &wm )) != STATUS_SUCCESS)
2863 {
2864 MESSAGE( "wine: could not load kernel32.dll, status %x\n", status );
2865 exit(1);
2866 }
2867 RtlInitAnsiString( &func_name, "UnhandledExceptionFilter" );
2868 LdrGetProcedureAddress( wm->ldr.BaseAddress, &func_name, 0, (void **)&unhandled_exception_filter );
2869
2870 RtlInitAnsiString( &func_name, "__wine_kernel_init" );
2871 if ((status = LdrGetProcedureAddress( wm->ldr.BaseAddress, &func_name,
2872 0, (void **)&init_func )) != STATUS_SUCCESS)
2873 {
2874 MESSAGE( "wine: could not find __wine_kernel_init in kernel32.dll, status %x\n", status );
2875 exit(1);
2876 }
2877 init_func();
2878 }
Maarten's multimedia branch