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ntdll: move relocations from mapping into loader
[wine/kumbayo.git] / dlls / ntdll / loader.c
blob2c079fa2de7b7cae4c180f7d9e8ede5ec4ffe8f2
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
28 #define NONAMELESSUNION
29 #define NONAMELESSSTRUCT
30
31 #include "ntstatus.h"
32 #define WIN32_NO_STATUS
33 #include "windef.h"
34 #include "winnt.h"
35 #include "winternl.h"
36
37 #include "wine/exception.h"
38 #include "wine/library.h"
39 #include "wine/pthread.h"
40 #include "wine/unicode.h"
41 #include "wine/debug.h"
42 #include "wine/server.h"
43 #include "ntdll_misc.h"
44 #include "ddk/wdm.h"
45
46 WINE_DEFAULT_DEBUG_CHANNEL(module);
47 WINE_DECLARE_DEBUG_CHANNEL(relay);
48 WINE_DECLARE_DEBUG_CHANNEL(snoop);
49 WINE_DECLARE_DEBUG_CHANNEL(loaddll);
50 WINE_DECLARE_DEBUG_CHANNEL(imports);
51
52 /* we don't want to include winuser.h */
53 #define RT_MANIFEST ((ULONG_PTR)24)
54 #define ISOLATIONAWARE_MANIFEST_RESOURCE_ID ((ULONG_PTR)2)
55
56 extern struct wine_pthread_functions pthread_functions;
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
101 UNICODE_STRING windows_dir = { 0, 0, NULL }; /* windows directory */
102 UNICODE_STRING system_dir = { 0, 0, NULL }; /* system directory */
103
104 static RTL_CRITICAL_SECTION loader_section;
105 static RTL_CRITICAL_SECTION_DEBUG critsect_debug =
106 {
107 0, 0, &loader_section,
108 { &critsect_debug.ProcessLocksList, &critsect_debug.ProcessLocksList },
109 0, 0, { (DWORD_PTR)(__FILE__ ": loader_section") }
110 };
111 static RTL_CRITICAL_SECTION loader_section = { &critsect_debug, -1, 0, 0, 0, 0 };
112
113 static WINE_MODREF *cached_modref;
114 static WINE_MODREF *current_modref;
115 static WINE_MODREF *last_failed_modref;
116
117 static NTSTATUS load_dll( LPCWSTR load_path, LPCWSTR libname, DWORD flags, WINE_MODREF** pwm );
118 static NTSTATUS process_attach( WINE_MODREF *wm, LPVOID lpReserved );
119 static FARPROC find_named_export( HMODULE module, const IMAGE_EXPORT_DIRECTORY *exports,
120 DWORD exp_size, const char *name, int hint, LPCWSTR load_path );
121
122 /* convert PE image VirtualAddress to Real Address */
123 static inline void *get_rva( HMODULE module, DWORD va )
124 {
125 return (void *)((char *)module + va);
126 }
127
128 /* check whether the file name contains a path */
129 static inline int contains_path( LPCWSTR name )
130 {
131 return ((*name && (name[1] == ':')) || strchrW(name, '/') || strchrW(name, '\\'));
132 }
133
134 /* convert from straight ASCII to Unicode without depending on the current codepage */
135 static inline void ascii_to_unicode( WCHAR *dst, const char *src, size_t len )
136 {
137 while (len--) *dst++ = (unsigned char)*src++;
138 }
139
140
141 /*************************************************************************
142 * call_dll_entry_point
143 *
144 * Some brain-damaged dlls (ir32_32.dll for instance) modify ebx in
145 * their entry point, so we need a small asm wrapper.
146 */
147 #ifdef __i386__
148 extern BOOL call_dll_entry_point( DLLENTRYPROC proc, void *module, UINT reason, void *reserved );
149 __ASM_GLOBAL_FUNC(call_dll_entry_point,
150 "pushl %ebp\n\t"
151 "movl %esp,%ebp\n\t"
152 "pushl %ebx\n\t"
153 "subl $8,%esp\n\t"
154 "pushl 20(%ebp)\n\t"
155 "pushl 16(%ebp)\n\t"
156 "pushl 12(%ebp)\n\t"
157 "movl 8(%ebp),%eax\n\t"
158 "call *%eax\n\t"
159 "leal -4(%ebp),%esp\n\t"
160 "popl %ebx\n\t"
161 "popl %ebp\n\t"
162 "ret" )
163 #else /* __i386__ */
164 static inline BOOL call_dll_entry_point( DLLENTRYPROC proc, void *module,
165 UINT reason, void *reserved )
166 {
167 return proc( module, reason, reserved );
168 }
169 #endif /* __i386__ */
170
171
172 #ifdef __i386__
173 /*************************************************************************
174 * stub_entry_point
175 *
176 * Entry point for stub functions.
177 */
178 static void stub_entry_point( const char *dll, const char *name, ... )
179 {
180 EXCEPTION_RECORD rec;
181
182 rec.ExceptionCode = EXCEPTION_WINE_STUB;
183 rec.ExceptionFlags = EH_NONCONTINUABLE;
184 rec.ExceptionRecord = NULL;
185 #ifdef __GNUC__
186 rec.ExceptionAddress = __builtin_return_address(0);
187 #else
188 rec.ExceptionAddress = *((void **)&dll - 1);
189 #endif
190 rec.NumberParameters = 2;
191 rec.ExceptionInformation[0] = (ULONG_PTR)dll;
192 rec.ExceptionInformation[1] = (ULONG_PTR)name;
193 for (;;) RtlRaiseException( &rec );
194 }
195
196
197 #include "pshpack1.h"
198 struct stub
199 {
200 BYTE popl_eax; /* popl %eax */
201 BYTE pushl1; /* pushl $name */
202 const char *name;
203 BYTE pushl2; /* pushl $dll */
204 const char *dll;
205 BYTE pushl_eax; /* pushl %eax */
206 BYTE jmp; /* jmp stub_entry_point */
207 DWORD entry;
208 };
209 #include "poppack.h"
210
211 /*************************************************************************
212 * allocate_stub
213 *
214 * Allocate a stub entry point.
215 */
216 static ULONG_PTR allocate_stub( const char *dll, const char *name )
217 {
218 #define MAX_SIZE 65536
219 static struct stub *stubs;
220 static unsigned int nb_stubs;
221 struct stub *stub;
222
223 if (nb_stubs >= MAX_SIZE / sizeof(*stub)) return 0xdeadbeef;
224
225 if (!stubs)
226 {
227 SIZE_T size = MAX_SIZE;
228 if (NtAllocateVirtualMemory( NtCurrentProcess(), (void **)&stubs, 0, &size,
229 MEM_COMMIT, PAGE_EXECUTE_WRITECOPY ) != STATUS_SUCCESS)
230 return 0xdeadbeef;
231 }
232 stub = &stubs[nb_stubs++];
233 stub->popl_eax = 0x58; /* popl %eax */
234 stub->pushl1 = 0x68; /* pushl $name */
235 stub->name = name;
236 stub->pushl2 = 0x68; /* pushl $dll */
237 stub->dll = dll;
238 stub->pushl_eax = 0x50; /* pushl %eax */
239 stub->jmp = 0xe9; /* jmp stub_entry_point */
240 stub->entry = (BYTE *)stub_entry_point - (BYTE *)(&stub->entry + 1);
241 return (ULONG_PTR)stub;
242 }
243
244 #else /* __i386__ */
245 static inline ULONG_PTR allocate_stub( const char *dll, const char *name ) { return 0xdeadbeef; }
246 #endif /* __i386__ */
247
248
249 /*************************************************************************
250 * get_modref
251 *
252 * Looks for the referenced HMODULE in the current process
253 * The loader_section must be locked while calling this function.
254 */
255 static WINE_MODREF *get_modref( HMODULE hmod )
256 {
257 PLIST_ENTRY mark, entry;
258 PLDR_MODULE mod;
259
260 if (cached_modref && cached_modref->ldr.BaseAddress == hmod) return cached_modref;
261
262 mark = &NtCurrentTeb()->Peb->LdrData->InMemoryOrderModuleList;
263 for (entry = mark->Flink; entry != mark; entry = entry->Flink)
264 {
265 mod = CONTAINING_RECORD(entry, LDR_MODULE, InMemoryOrderModuleList);
266 if (mod->BaseAddress == hmod)
267 return cached_modref = CONTAINING_RECORD(mod, WINE_MODREF, ldr);
268 if (mod->BaseAddress > (void*)hmod) break;
269 }
270 return NULL;
271 }
272
273
274 /**********************************************************************
275 * find_basename_module
276 *
277 * Find a module from its base name.
278 * The loader_section must be locked while calling this function
279 */
280 static WINE_MODREF *find_basename_module( LPCWSTR name )
281 {
282 PLIST_ENTRY mark, entry;
283
284 if (cached_modref && !strcmpiW( name, cached_modref->ldr.BaseDllName.Buffer ))
285 return cached_modref;
286
287 mark = &NtCurrentTeb()->Peb->LdrData->InLoadOrderModuleList;
288 for (entry = mark->Flink; entry != mark; entry = entry->Flink)
289 {
290 LDR_MODULE *mod = CONTAINING_RECORD(entry, LDR_MODULE, InLoadOrderModuleList);
291 if (!strcmpiW( name, mod->BaseDllName.Buffer ))
292 {
293 cached_modref = CONTAINING_RECORD(mod, WINE_MODREF, ldr);
294 return cached_modref;
295 }
296 }
297 return NULL;
298 }
299
300
301 /**********************************************************************
302 * find_fullname_module
303 *
304 * Find a module from its full path name.
305 * The loader_section must be locked while calling this function
306 */
307 static WINE_MODREF *find_fullname_module( LPCWSTR name )
308 {
309 PLIST_ENTRY mark, entry;
310
311 if (cached_modref && !strcmpiW( name, cached_modref->ldr.FullDllName.Buffer ))
312 return cached_modref;
313
314 mark = &NtCurrentTeb()->Peb->LdrData->InLoadOrderModuleList;
315 for (entry = mark->Flink; entry != mark; entry = entry->Flink)
316 {
317 LDR_MODULE *mod = CONTAINING_RECORD(entry, LDR_MODULE, InLoadOrderModuleList);
318 if (!strcmpiW( name, mod->FullDllName.Buffer ))
319 {
320 cached_modref = CONTAINING_RECORD(mod, WINE_MODREF, ldr);
321 return cached_modref;
322 }
323 }
324 return NULL;
325 }
326
327
328 /*************************************************************************
329 * find_forwarded_export
330 *
331 * Find the final function pointer for a forwarded function.
332 * The loader_section must be locked while calling this function.
333 */
334 static FARPROC find_forwarded_export( HMODULE module, const char *forward, LPCWSTR load_path )
335 {
336 const IMAGE_EXPORT_DIRECTORY *exports;
337 DWORD exp_size;
338 WINE_MODREF *wm;
339 WCHAR mod_name[32];
340 const char *end = strrchr(forward, '.');
341 FARPROC proc = NULL;
342
343 if (!end) return NULL;
344 if ((end - forward) * sizeof(WCHAR) >= sizeof(mod_name)) return NULL;
345 ascii_to_unicode( mod_name, forward, end - forward );
346 mod_name[end - forward] = 0;
347 if (!strchrW( mod_name, '.' ))
348 {
349 if ((end - forward) * sizeof(WCHAR) >= sizeof(mod_name) - sizeof(dllW)) return NULL;
350 memcpy( mod_name + (end - forward), dllW, sizeof(dllW) );
351 }
352
353 if (!(wm = find_basename_module( mod_name )))
354 {
355 TRACE( "delay loading %s for '%s'\n", debugstr_w(mod_name), forward );
356 if (load_dll( load_path, mod_name, 0, &wm ) == STATUS_SUCCESS &&
357 !(wm->ldr.Flags & LDR_DONT_RESOLVE_REFS))
358 {
359 if (process_attach( wm, NULL ) != STATUS_SUCCESS)
360 {
361 LdrUnloadDll( wm->ldr.BaseAddress );
362 wm = NULL;
363 }
364 }
365
366 if (!wm)
367 {
368 ERR( "module not found for forward '%s' used by %s\n",
369 forward, debugstr_w(get_modref(module)->ldr.FullDllName.Buffer) );
370 return NULL;
371 }
372 }
373 if ((exports = RtlImageDirectoryEntryToData( wm->ldr.BaseAddress, TRUE,
374 IMAGE_DIRECTORY_ENTRY_EXPORT, &exp_size )))
375 proc = find_named_export( wm->ldr.BaseAddress, exports, exp_size, end + 1, -1, load_path );
376
377 if (!proc)
378 {
379 ERR("function not found for forward '%s' used by %s."
380 " If you are using builtin %s, try using the native one instead.\n",
381 forward, debugstr_w(get_modref(module)->ldr.FullDllName.Buffer),
382 debugstr_w(get_modref(module)->ldr.BaseDllName.Buffer) );
383 }
384 return proc;
385 }
386
387
388 /*************************************************************************
389 * find_ordinal_export
390 *
391 * Find an exported function by ordinal.
392 * The exports base must have been subtracted from the ordinal already.
393 * The loader_section must be locked while calling this function.
394 */
395 static FARPROC find_ordinal_export( HMODULE module, const IMAGE_EXPORT_DIRECTORY *exports,
396 DWORD exp_size, DWORD ordinal, LPCWSTR load_path )
397 {
398 FARPROC proc;
399 const DWORD *functions = get_rva( module, exports->AddressOfFunctions );
400
401 if (ordinal >= exports->NumberOfFunctions)
402 {
403 TRACE(" ordinal %d out of range!\n", ordinal + exports->Base );
404 return NULL;
405 }
406 if (!functions[ordinal]) return NULL;
407
408 proc = get_rva( module, functions[ordinal] );
409
410 /* if the address falls into the export dir, it's a forward */
411 if (((const char *)proc >= (const char *)exports) &&
412 ((const char *)proc < (const char *)exports + exp_size))
413 return find_forwarded_export( module, (const char *)proc, load_path );
414
415 if (TRACE_ON(snoop))
416 {
417 const WCHAR *user = current_modref ? current_modref->ldr.BaseDllName.Buffer : NULL;
418 proc = SNOOP_GetProcAddress( module, exports, exp_size, proc, ordinal, user );
419 }
420 if (TRACE_ON(relay))
421 {
422 const WCHAR *user = current_modref ? current_modref->ldr.BaseDllName.Buffer : NULL;
423 proc = RELAY_GetProcAddress( module, exports, exp_size, proc, ordinal, user );
424 }
425 return proc;
426 }
427
428
429 /*************************************************************************
430 * find_named_export
431 *
432 * Find an exported function by name.
433 * The loader_section must be locked while calling this function.
434 */
435 static FARPROC find_named_export( HMODULE module, const IMAGE_EXPORT_DIRECTORY *exports,
436 DWORD exp_size, const char *name, int hint, LPCWSTR load_path )
437 {
438 const WORD *ordinals = get_rva( module, exports->AddressOfNameOrdinals );
439 const DWORD *names = get_rva( module, exports->AddressOfNames );
440 int min = 0, max = exports->NumberOfNames - 1;
441
442 /* first check the hint */
443 if (hint >= 0 && hint <= max)
444 {
445 char *ename = get_rva( module, names[hint] );
446 if (!strcmp( ename, name ))
447 return find_ordinal_export( module, exports, exp_size, ordinals[hint], load_path );
448 }
449
450 /* then do a binary search */
451 while (min <= max)
452 {
453 int res, pos = (min + max) / 2;
454 char *ename = get_rva( module, names[pos] );
455 if (!(res = strcmp( ename, name )))
456 return find_ordinal_export( module, exports, exp_size, ordinals[pos], load_path );
457 if (res > 0) max = pos - 1;
458 else min = pos + 1;
459 }
460 return NULL;
461
462 }
463
464
465 /*************************************************************************
466 * import_dll
467 *
468 * Import the dll specified by the given import descriptor.
469 * The loader_section must be locked while calling this function.
470 */
471 static WINE_MODREF *import_dll( HMODULE module, const IMAGE_IMPORT_DESCRIPTOR *descr, LPCWSTR load_path )
472 {
473 NTSTATUS status;
474 WINE_MODREF *wmImp;
475 HMODULE imp_mod;
476 const IMAGE_EXPORT_DIRECTORY *exports;
477 DWORD exp_size;
478 const IMAGE_THUNK_DATA *import_list;
479 IMAGE_THUNK_DATA *thunk_list;
480 WCHAR buffer[32];
481 const char *name = get_rva( module, descr->Name );
482 DWORD len = strlen(name);
483 PVOID protect_base;
484 SIZE_T protect_size = 0;
485 DWORD protect_old;
486
487 thunk_list = get_rva( module, (DWORD)descr->FirstThunk );
488 if (descr->u.OriginalFirstThunk)
489 import_list = get_rva( module, (DWORD)descr->u.OriginalFirstThunk );
490 else
491 import_list = thunk_list;
492
493 while (len && name[len-1] == ' ') len--; /* remove trailing spaces */
494
495 if (len * sizeof(WCHAR) < sizeof(buffer))
496 {
497 ascii_to_unicode( buffer, name, len );
498 buffer[len] = 0;
499 status = load_dll( load_path, buffer, 0, &wmImp );
500 }
501 else /* need to allocate a larger buffer */
502 {
503 WCHAR *ptr = RtlAllocateHeap( GetProcessHeap(), 0, (len + 1) * sizeof(WCHAR) );
504 if (!ptr) return NULL;
505 ascii_to_unicode( ptr, name, len );
506 ptr[len] = 0;
507 status = load_dll( load_path, ptr, 0, &wmImp );
508 RtlFreeHeap( GetProcessHeap(), 0, ptr );
509 }
510
511 if (status)
512 {
513 if (status == STATUS_DLL_NOT_FOUND)
514 ERR("Library %s (which is needed by %s) not found\n",
515 name, debugstr_w(current_modref->ldr.FullDllName.Buffer));
516 else
517 ERR("Loading library %s (which is needed by %s) failed (error %x).\n",
518 name, debugstr_w(current_modref->ldr.FullDllName.Buffer), status);
519 return NULL;
520 }
521
522 /* unprotect the import address table since it can be located in
523 * readonly section */
524 while (import_list[protect_size].u1.Ordinal) protect_size++;
525 protect_base = thunk_list;
526 protect_size *= sizeof(*thunk_list);
527 NtProtectVirtualMemory( NtCurrentProcess(), &protect_base,
528 &protect_size, PAGE_WRITECOPY, &protect_old );
529
530 imp_mod = wmImp->ldr.BaseAddress;
531 exports = RtlImageDirectoryEntryToData( imp_mod, TRUE, IMAGE_DIRECTORY_ENTRY_EXPORT, &exp_size );
532
533 if (!exports)
534 {
535 /* set all imported function to deadbeef */
536 while (import_list->u1.Ordinal)
537 {
538 if (IMAGE_SNAP_BY_ORDINAL(import_list->u1.Ordinal))
539 {
540 int ordinal = IMAGE_ORDINAL(import_list->u1.Ordinal);
541 WARN("No implementation for %s.%d", name, ordinal );
542 thunk_list->u1.Function = allocate_stub( name, IntToPtr(ordinal) );
543 }
544 else
545 {
546 IMAGE_IMPORT_BY_NAME *pe_name = get_rva( module, (DWORD)import_list->u1.AddressOfData );
547 WARN("No implementation for %s.%s", name, pe_name->Name );
548 thunk_list->u1.Function = allocate_stub( name, (const char*)pe_name->Name );
549 }
550 WARN(" imported from %s, allocating stub %p\n",
551 debugstr_w(current_modref->ldr.FullDllName.Buffer),
552 (void *)thunk_list->u1.Function );
553 import_list++;
554 thunk_list++;
555 }
556 goto done;
557 }
558
559 while (import_list->u1.Ordinal)
560 {
561 if (IMAGE_SNAP_BY_ORDINAL(import_list->u1.Ordinal))
562 {
563 int ordinal = IMAGE_ORDINAL(import_list->u1.Ordinal);
564
565 thunk_list->u1.Function = (ULONG_PTR)find_ordinal_export( imp_mod, exports, exp_size,
566 ordinal - exports->Base, load_path );
567 if (!thunk_list->u1.Function)
568 {
569 thunk_list->u1.Function = allocate_stub( name, IntToPtr(ordinal) );
570 WARN("No implementation for %s.%d imported from %s, setting to %p\n",
571 name, ordinal, debugstr_w(current_modref->ldr.FullDllName.Buffer),
572 (void *)thunk_list->u1.Function );
573 }
574 TRACE_(imports)("--- Ordinal %s.%d = %p\n", name, ordinal, (void *)thunk_list->u1.Function );
575 }
576 else /* import by name */
577 {
578 IMAGE_IMPORT_BY_NAME *pe_name;
579 pe_name = get_rva( module, (DWORD)import_list->u1.AddressOfData );
580 thunk_list->u1.Function = (ULONG_PTR)find_named_export( imp_mod, exports, exp_size,
581 (const char*)pe_name->Name,
582 pe_name->Hint, load_path );
583 if (!thunk_list->u1.Function)
584 {
585 thunk_list->u1.Function = allocate_stub( name, (const char*)pe_name->Name );
586 WARN("No implementation for %s.%s imported from %s, setting to %p\n",
587 name, pe_name->Name, debugstr_w(current_modref->ldr.FullDllName.Buffer),
588 (void *)thunk_list->u1.Function );
589 }
590 TRACE_(imports)("--- %s %s.%d = %p\n",
591 pe_name->Name, name, pe_name->Hint, (void *)thunk_list->u1.Function);
592 }
593 import_list++;
594 thunk_list++;
595 }
596
597 done:
598 /* restore old protection of the import address table */
599 NtProtectVirtualMemory( NtCurrentProcess(), &protect_base, &protect_size, protect_old, NULL );
600 return wmImp;
601 }
602
603
604 /***********************************************************************
605 * create_module_activation_context
606 */
607 static NTSTATUS create_module_activation_context( LDR_MODULE *module )
608 {
609 NTSTATUS status;
610 LDR_RESOURCE_INFO info;
611 const IMAGE_RESOURCE_DATA_ENTRY *entry;
612
613 info.Type = RT_MANIFEST;
614 info.Name = ISOLATIONAWARE_MANIFEST_RESOURCE_ID;
615 info.Language = 0;
616 if (!(status = LdrFindResource_U( module->BaseAddress, &info, 3, &entry )))
617 {
618 ACTCTXW ctx;
619 ctx.cbSize = sizeof(ctx);
620 ctx.lpSource = NULL;
621 ctx.dwFlags = ACTCTX_FLAG_RESOURCE_NAME_VALID | ACTCTX_FLAG_HMODULE_VALID;
622 ctx.hModule = module->BaseAddress;
623 ctx.lpResourceName = (LPCWSTR)ISOLATIONAWARE_MANIFEST_RESOURCE_ID;
624 status = RtlCreateActivationContext( &module->ActivationContext, &ctx );
625 }
626 return status;
627 }
628
629
630 /****************************************************************
631 * fixup_imports
632 *
633 * Fixup all imports of a given module.
634 * The loader_section must be locked while calling this function.
635 */
636 static NTSTATUS fixup_imports( WINE_MODREF *wm, LPCWSTR load_path )
637 {
638 int i, nb_imports;
639 const IMAGE_IMPORT_DESCRIPTOR *imports;
640 WINE_MODREF *prev;
641 DWORD size;
642 NTSTATUS status;
643 ULONG_PTR cookie;
644
645 if (!(wm->ldr.Flags & LDR_DONT_RESOLVE_REFS)) return STATUS_SUCCESS; /* already done */
646 wm->ldr.Flags &= ~LDR_DONT_RESOLVE_REFS;
647
648 if (!(imports = RtlImageDirectoryEntryToData( wm->ldr.BaseAddress, TRUE,
649 IMAGE_DIRECTORY_ENTRY_IMPORT, &size )))
650 return STATUS_SUCCESS;
651
652 nb_imports = 0;
653 while (imports[nb_imports].Name && imports[nb_imports].FirstThunk) nb_imports++;
654
655 if (!nb_imports) return STATUS_SUCCESS; /* no imports */
656
657 if (!create_module_activation_context( &wm->ldr ))
658 RtlActivateActivationContext( 0, wm->ldr.ActivationContext, &cookie );
659
660 /* Allocate module dependency list */
661 wm->nDeps = nb_imports;
662 wm->deps = RtlAllocateHeap( GetProcessHeap(), 0, nb_imports*sizeof(WINE_MODREF *) );
663
664 /* load the imported modules. They are automatically
665 * added to the modref list of the process.
666 */
667 prev = current_modref;
668 current_modref = wm;
669 status = STATUS_SUCCESS;
670 for (i = 0; i < nb_imports; i++)
671 {
672 if (!(wm->deps[i] = import_dll( wm->ldr.BaseAddress, &imports[i], load_path )))
673 status = STATUS_DLL_NOT_FOUND;
674 }
675 current_modref = prev;
676 if (wm->ldr.ActivationContext) RtlDeactivateActivationContext( 0, cookie );
677 return status;
678 }
679
680
681 /*************************************************************************
682 * alloc_module
683 *
684 * Allocate a WINE_MODREF structure and add it to the process list
685 * The loader_section must be locked while calling this function.
686 */
687 static WINE_MODREF *alloc_module( HMODULE hModule, LPCWSTR filename )
688 {
689 WINE_MODREF *wm;
690 const WCHAR *p;
691 const IMAGE_NT_HEADERS *nt = RtlImageNtHeader(hModule);
692 PLIST_ENTRY entry, mark;
693
694 if (!(wm = RtlAllocateHeap( GetProcessHeap(), 0, sizeof(*wm) ))) return NULL;
695
696 wm->nDeps = 0;
697 wm->deps = NULL;
698
699 wm->ldr.BaseAddress = hModule;
700 wm->ldr.EntryPoint = NULL;
701 wm->ldr.SizeOfImage = nt->OptionalHeader.SizeOfImage;
702 wm->ldr.Flags = LDR_DONT_RESOLVE_REFS;
703 wm->ldr.LoadCount = 1;
704 wm->ldr.TlsIndex = -1;
705 wm->ldr.SectionHandle = NULL;
706 wm->ldr.CheckSum = 0;
707 wm->ldr.TimeDateStamp = 0;
708 wm->ldr.ActivationContext = 0;
709
710 RtlCreateUnicodeString( &wm->ldr.FullDllName, filename );
711 if ((p = strrchrW( wm->ldr.FullDllName.Buffer, '\\' ))) p++;
712 else p = wm->ldr.FullDllName.Buffer;
713 RtlInitUnicodeString( &wm->ldr.BaseDllName, p );
714
715 if (nt->FileHeader.Characteristics & IMAGE_FILE_DLL)
716 {
717 wm->ldr.Flags |= LDR_IMAGE_IS_DLL;
718 if (nt->OptionalHeader.AddressOfEntryPoint)
719 wm->ldr.EntryPoint = (char *)hModule + nt->OptionalHeader.AddressOfEntryPoint;
720 }
721
722 InsertTailList(&NtCurrentTeb()->Peb->LdrData->InLoadOrderModuleList,
723 &wm->ldr.InLoadOrderModuleList);
724
725 /* insert module in MemoryList, sorted in increasing base addresses */
726 mark = &NtCurrentTeb()->Peb->LdrData->InMemoryOrderModuleList;
727 for (entry = mark->Flink; entry != mark; entry = entry->Flink)
728 {
729 if (CONTAINING_RECORD(entry, LDR_MODULE, InMemoryOrderModuleList)->BaseAddress > wm->ldr.BaseAddress)
730 break;
731 }
732 entry->Blink->Flink = &wm->ldr.InMemoryOrderModuleList;
733 wm->ldr.InMemoryOrderModuleList.Blink = entry->Blink;
734 wm->ldr.InMemoryOrderModuleList.Flink = entry;
735 entry->Blink = &wm->ldr.InMemoryOrderModuleList;
736
737 /* wait until init is called for inserting into this list */
738 wm->ldr.InInitializationOrderModuleList.Flink = NULL;
739 wm->ldr.InInitializationOrderModuleList.Blink = NULL;
740
741 if (!(nt->OptionalHeader.DllCharacteristics & IMAGE_DLLCHARACTERISTICS_NX_COMPAT))
742 {
743 WARN( "disabling no-exec because of %s\n", debugstr_w(wm->ldr.BaseDllName.Buffer) );
744 VIRTUAL_SetForceExec( TRUE );
745 }
746 return wm;
747 }
748
749
750 /*************************************************************************
751 * alloc_process_tls
752 *
753 * Allocate the process-wide structure for module TLS storage.
754 */
755 static NTSTATUS alloc_process_tls(void)
756 {
757 PLIST_ENTRY mark, entry;
758 PLDR_MODULE mod;
759 const IMAGE_TLS_DIRECTORY *dir;
760 ULONG size, i;
761
762 mark = &NtCurrentTeb()->Peb->LdrData->InMemoryOrderModuleList;
763 for (entry = mark->Flink; entry != mark; entry = entry->Flink)
764 {
765 mod = CONTAINING_RECORD(entry, LDR_MODULE, InMemoryOrderModuleList);
766 if (!(dir = RtlImageDirectoryEntryToData( mod->BaseAddress, TRUE,
767 IMAGE_DIRECTORY_ENTRY_TLS, &size )))
768 continue;
769 size = (dir->EndAddressOfRawData - dir->StartAddressOfRawData) + dir->SizeOfZeroFill;
770 if (!size) continue;
771 tls_total_size += size;
772 tls_module_count++;
773 }
774 if (!tls_module_count) return STATUS_SUCCESS;
775
776 TRACE( "count %u size %u\n", tls_module_count, tls_total_size );
777
778 tls_dirs = RtlAllocateHeap( GetProcessHeap(), 0, tls_module_count * sizeof(*tls_dirs) );
779 if (!tls_dirs) return STATUS_NO_MEMORY;
780
781 for (i = 0, entry = mark->Flink; entry != mark; entry = entry->Flink)
782 {
783 mod = CONTAINING_RECORD(entry, LDR_MODULE, InMemoryOrderModuleList);
784 if (!(dir = RtlImageDirectoryEntryToData( mod->BaseAddress, TRUE,
785 IMAGE_DIRECTORY_ENTRY_TLS, &size )))
786 continue;
787 tls_dirs[i] = dir;
788 *(DWORD *)dir->AddressOfIndex = i;
789 mod->TlsIndex = i;
790 mod->LoadCount = -1; /* can't unload it */
791 i++;
792 }
793 return STATUS_SUCCESS;
794 }
795
796
797 /*************************************************************************
798 * alloc_thread_tls
799 *
800 * Allocate the per-thread structure for module TLS storage.
801 */
802 static NTSTATUS alloc_thread_tls(void)
803 {
804 void **pointers;
805 char *data;
806 UINT i;
807
808 if (!tls_module_count) return STATUS_SUCCESS;
809
810 if (!(pointers = RtlAllocateHeap( GetProcessHeap(), 0,
811 tls_module_count * sizeof(*pointers) )))
812 return STATUS_NO_MEMORY;
813
814 if (!(data = RtlAllocateHeap( GetProcessHeap(), 0, tls_total_size )))
815 {
816 RtlFreeHeap( GetProcessHeap(), 0, pointers );
817 return STATUS_NO_MEMORY;
818 }
819
820 for (i = 0; i < tls_module_count; i++)
821 {
822 const IMAGE_TLS_DIRECTORY *dir = tls_dirs[i];
823 ULONG size = dir->EndAddressOfRawData - dir->StartAddressOfRawData;
824
825 TRACE( "thread %04x idx %d: %d/%d bytes from %p to %p\n",
826 GetCurrentThreadId(), i, size, dir->SizeOfZeroFill,
827 (void *)dir->StartAddressOfRawData, data );
828
829 pointers[i] = data;
830 memcpy( data, (void *)dir->StartAddressOfRawData, size );
831 data += size;
832 memset( data, 0, dir->SizeOfZeroFill );
833 data += dir->SizeOfZeroFill;
834 }
835 NtCurrentTeb()->ThreadLocalStoragePointer = pointers;
836 return STATUS_SUCCESS;
837 }
838
839
840 /*************************************************************************
841 * call_tls_callbacks
842 */
843 static void call_tls_callbacks( HMODULE module, UINT reason )
844 {
845 const IMAGE_TLS_DIRECTORY *dir;
846 const PIMAGE_TLS_CALLBACK *callback;
847 ULONG dirsize;
848
849 dir = RtlImageDirectoryEntryToData( module, TRUE, IMAGE_DIRECTORY_ENTRY_TLS, &dirsize );
850 if (!dir || !dir->AddressOfCallBacks) return;
851
852 for (callback = (const PIMAGE_TLS_CALLBACK *)dir->AddressOfCallBacks; *callback; callback++)
853 {
854 if (TRACE_ON(relay))
855 DPRINTF("%04x:Call TLS callback (proc=%p,module=%p,reason=%s,reserved=0)\n",
856 GetCurrentThreadId(), *callback, module, reason_names[reason] );
857 if (NtCurrentTeb()->Peb->BeingDebugged) DbgBreakPoint();
858 __TRY
859 {
860 (*callback)( module, reason, NULL );
861 }
862 __EXCEPT(NULL)
863 {
864 if (TRACE_ON(relay))
865 DPRINTF("%04x:exception in TLS callback (proc=%p,module=%p,reason=%s,reserved=0)\n",
866 GetCurrentThreadId(), callback, module, reason_names[reason] );
867 return;
868 }
869 __ENDTRY
870 if (TRACE_ON(relay))
871 DPRINTF("%04x:Ret TLS callback (proc=%p,module=%p,reason=%s,reserved=0)\n",
872 GetCurrentThreadId(), *callback, module, reason_names[reason] );
873 }
874 }
875
876
877 /*************************************************************************
878 * MODULE_InitDLL
879 */
880 static BOOL MODULE_InitDLL( WINE_MODREF *wm, UINT reason, LPVOID lpReserved )
881 {
882 WCHAR mod_name[32];
883 BOOL retv = TRUE;
884 DLLENTRYPROC entry = wm->ldr.EntryPoint;
885 void *module = wm->ldr.BaseAddress;
886
887 /* Skip calls for modules loaded with special load flags */
888
889 if (wm->ldr.Flags & LDR_DONT_RESOLVE_REFS) return TRUE;
890 if (wm->ldr.TlsIndex != -1) call_tls_callbacks( wm->ldr.BaseAddress, reason );
891 if (!entry) return TRUE;
892
893 if (TRACE_ON(relay))
894 {
895 size_t len = min( wm->ldr.BaseDllName.Length, sizeof(mod_name)-sizeof(WCHAR) );
896 memcpy( mod_name, wm->ldr.BaseDllName.Buffer, len );
897 mod_name[len / sizeof(WCHAR)] = 0;
898 DPRINTF("%04x:Call PE DLL (proc=%p,module=%p %s,reason=%s,res=%p)\n",
899 GetCurrentThreadId(), entry, module, debugstr_w(mod_name),
900 reason_names[reason], lpReserved );
901 }
902 else TRACE("(%p %s,%s,%p) - CALL\n", module, debugstr_w(wm->ldr.BaseDllName.Buffer),
903 reason_names[reason], lpReserved );
904
905 retv = call_dll_entry_point( entry, module, reason, lpReserved );
906
907 /* The state of the module list may have changed due to the call
908 to the dll. We cannot assume that this module has not been
909 deleted. */
910 if (TRACE_ON(relay))
911 DPRINTF("%04x:Ret PE DLL (proc=%p,module=%p %s,reason=%s,res=%p) retval=%x\n",
912 GetCurrentThreadId(), entry, module, debugstr_w(mod_name),
913 reason_names[reason], lpReserved, retv );
914 else TRACE("(%p,%s,%p) - RETURN %d\n", module, reason_names[reason], lpReserved, retv );
915
916 return retv;
917 }
918
919
920 /*************************************************************************
921 * process_attach
922 *
923 * Send the process attach notification to all DLLs the given module
924 * depends on (recursively). This is somewhat complicated due to the fact that
925 *
926 * - we have to respect the module dependencies, i.e. modules implicitly
927 * referenced by another module have to be initialized before the module
928 * itself can be initialized
929 *
930 * - the initialization routine of a DLL can itself call LoadLibrary,
931 * thereby introducing a whole new set of dependencies (even involving
932 * the 'old' modules) at any time during the whole process
933 *
934 * (Note that this routine can be recursively entered not only directly
935 * from itself, but also via LoadLibrary from one of the called initialization
936 * routines.)
937 *
938 * Furthermore, we need to rearrange the main WINE_MODREF list to allow
939 * the process *detach* notifications to be sent in the correct order.
940 * This must not only take into account module dependencies, but also
941 * 'hidden' dependencies created by modules calling LoadLibrary in their
942 * attach notification routine.
943 *
944 * The strategy is rather simple: we move a WINE_MODREF to the head of the
945 * list after the attach notification has returned. This implies that the
946 * detach notifications are called in the reverse of the sequence the attach
947 * notifications *returned*.
948 *
949 * The loader_section must be locked while calling this function.
950 */
951 static NTSTATUS process_attach( WINE_MODREF *wm, LPVOID lpReserved )
952 {
953 NTSTATUS status = STATUS_SUCCESS;
954 ULONG_PTR cookie;
955 int i;
956
957 if (process_detaching) return status;
958
959 /* prevent infinite recursion in case of cyclical dependencies */
960 if ( ( wm->ldr.Flags & LDR_LOAD_IN_PROGRESS )
961 || ( wm->ldr.Flags & LDR_PROCESS_ATTACHED ) )
962 return status;
963
964 TRACE("(%s,%p) - START\n", debugstr_w(wm->ldr.BaseDllName.Buffer), lpReserved );
965
966 /* Tag current MODREF to prevent recursive loop */
967 wm->ldr.Flags |= LDR_LOAD_IN_PROGRESS;
968 if (lpReserved) wm->ldr.LoadCount = -1; /* pin it if imported by the main exe */
969 if (wm->ldr.ActivationContext) RtlActivateActivationContext( 0, wm->ldr.ActivationContext, &cookie );
970
971 /* Recursively attach all DLLs this one depends on */
972 for ( i = 0; i < wm->nDeps; i++ )
973 {
974 if (!wm->deps[i]) continue;
975 if ((status = process_attach( wm->deps[i], lpReserved )) != STATUS_SUCCESS) break;
976 }
977
978 /* Call DLL entry point */
979 if (status == STATUS_SUCCESS)
980 {
981 WINE_MODREF *prev = current_modref;
982 current_modref = wm;
983 if (MODULE_InitDLL( wm, DLL_PROCESS_ATTACH, lpReserved ))
984 {
985 wm->ldr.Flags |= LDR_PROCESS_ATTACHED;
986 }
987 else
988 {
989 /* point to the name so LdrInitializeThunk can print it */
990 last_failed_modref = wm;
991 WARN("Initialization of %s failed\n", debugstr_w(wm->ldr.BaseDllName.Buffer));
992 status = STATUS_DLL_INIT_FAILED;
993 }
994 current_modref = prev;
995 }
996
997 if (!wm->ldr.InInitializationOrderModuleList.Flink)
998 InsertTailList(&NtCurrentTeb()->Peb->LdrData->InInitializationOrderModuleList,
999 &wm->ldr.InInitializationOrderModuleList);
1000
1001 if (wm->ldr.ActivationContext) RtlDeactivateActivationContext( 0, cookie );
1002 /* Remove recursion flag */
1003 wm->ldr.Flags &= ~LDR_LOAD_IN_PROGRESS;
1004
1005 TRACE("(%s,%p) - END\n", debugstr_w(wm->ldr.BaseDllName.Buffer), lpReserved );
1006 return status;
1007 }
1008
1009
1010 /**********************************************************************
1011 * attach_implicitly_loaded_dlls
1012 *
1013 * Attach to the (builtin) dlls that have been implicitly loaded because
1014 * of a dependency at the Unix level, but not imported at the Win32 level.
1015 */
1016 static void attach_implicitly_loaded_dlls( LPVOID reserved )
1017 {
1018 for (;;)
1019 {
1020 PLIST_ENTRY mark, entry;
1021
1022 mark = &NtCurrentTeb()->Peb->LdrData->InLoadOrderModuleList;
1023 for (entry = mark->Flink; entry != mark; entry = entry->Flink)
1024 {
1025 LDR_MODULE *mod = CONTAINING_RECORD(entry, LDR_MODULE, InLoadOrderModuleList);
1026
1027 if (mod->Flags & (LDR_LOAD_IN_PROGRESS | LDR_PROCESS_ATTACHED)) continue;
1028 TRACE( "found implicitly loaded %s, attaching to it\n",
1029 debugstr_w(mod->BaseDllName.Buffer));
1030 process_attach( CONTAINING_RECORD(mod, WINE_MODREF, ldr), reserved );
1031 break; /* restart the search from the start */
1032 }
1033 if (entry == mark) break; /* nothing found */
1034 }
1035 }
1036
1037
1038 /*************************************************************************
1039 * process_detach
1040 *
1041 * Send DLL process detach notifications. See the comment about calling
1042 * sequence at process_attach. Unless the bForceDetach flag
1043 * is set, only DLLs with zero refcount are notified.
1044 */
1045 static void process_detach( BOOL bForceDetach, LPVOID lpReserved )
1046 {
1047 PLIST_ENTRY mark, entry;
1048 PLDR_MODULE mod;
1049
1050 RtlEnterCriticalSection( &loader_section );
1051 if (bForceDetach) process_detaching = 1;
1052 mark = &NtCurrentTeb()->Peb->LdrData->InInitializationOrderModuleList;
1053 do
1054 {
1055 for (entry = mark->Blink; entry != mark; entry = entry->Blink)
1056 {
1057 mod = CONTAINING_RECORD(entry, LDR_MODULE,
1058 InInitializationOrderModuleList);
1059 /* Check whether to detach this DLL */
1060 if ( !(mod->Flags & LDR_PROCESS_ATTACHED) )
1061 continue;
1062 if ( mod->LoadCount && !bForceDetach )
1063 continue;
1064
1065 /* Call detach notification */
1066 mod->Flags &= ~LDR_PROCESS_ATTACHED;
1067 MODULE_InitDLL( CONTAINING_RECORD(mod, WINE_MODREF, ldr),
1068 DLL_PROCESS_DETACH, lpReserved );
1069
1070 /* Restart at head of WINE_MODREF list, as entries might have
1071 been added and/or removed while performing the call ... */
1072 break;
1073 }
1074 } while (entry != mark);
1075
1076 RtlLeaveCriticalSection( &loader_section );
1077 }
1078
1079 /*************************************************************************
1080 * MODULE_DllThreadAttach
1081 *
1082 * Send DLL thread attach notifications. These are sent in the
1083 * reverse sequence of process detach notification.
1084 *
1085 */
1086 NTSTATUS MODULE_DllThreadAttach( LPVOID lpReserved )
1087 {
1088 PLIST_ENTRY mark, entry;
1089 PLDR_MODULE mod;
1090 NTSTATUS status;
1091
1092 /* don't do any attach calls if process is exiting */
1093 if (process_detaching) return STATUS_SUCCESS;
1094 /* FIXME: there is still a race here */
1095
1096 RtlEnterCriticalSection( &loader_section );
1097
1098 if ((status = alloc_thread_tls()) != STATUS_SUCCESS) goto done;
1099
1100 mark = &NtCurrentTeb()->Peb->LdrData->InInitializationOrderModuleList;
1101 for (entry = mark->Flink; entry != mark; entry = entry->Flink)
1102 {
1103 mod = CONTAINING_RECORD(entry, LDR_MODULE,
1104 InInitializationOrderModuleList);
1105 if ( !(mod->Flags & LDR_PROCESS_ATTACHED) )
1106 continue;
1107 if ( mod->Flags & LDR_NO_DLL_CALLS )
1108 continue;
1109
1110 MODULE_InitDLL( CONTAINING_RECORD(mod, WINE_MODREF, ldr),
1111 DLL_THREAD_ATTACH, lpReserved );
1112 }
1113
1114 done:
1115 RtlLeaveCriticalSection( &loader_section );
1116 return status;
1117 }
1118
1119 /******************************************************************
1120 * LdrDisableThreadCalloutsForDll (NTDLL.@)
1121 *
1122 */
1123 NTSTATUS WINAPI LdrDisableThreadCalloutsForDll(HMODULE hModule)
1124 {
1125 WINE_MODREF *wm;
1126 NTSTATUS ret = STATUS_SUCCESS;
1127
1128 RtlEnterCriticalSection( &loader_section );
1129
1130 wm = get_modref( hModule );
1131 if (!wm || wm->ldr.TlsIndex != -1)
1132 ret = STATUS_DLL_NOT_FOUND;
1133 else
1134 wm->ldr.Flags |= LDR_NO_DLL_CALLS;
1135
1136 RtlLeaveCriticalSection( &loader_section );
1137
1138 return ret;
1139 }
1140
1141 /******************************************************************
1142 * LdrFindEntryForAddress (NTDLL.@)
1143 *
1144 * The loader_section must be locked while calling this function
1145 */
1146 NTSTATUS WINAPI LdrFindEntryForAddress(const void* addr, PLDR_MODULE* pmod)
1147 {
1148 PLIST_ENTRY mark, entry;
1149 PLDR_MODULE mod;
1150
1151 mark = &NtCurrentTeb()->Peb->LdrData->InMemoryOrderModuleList;
1152 for (entry = mark->Flink; entry != mark; entry = entry->Flink)
1153 {
1154 mod = CONTAINING_RECORD(entry, LDR_MODULE, InMemoryOrderModuleList);
1155 if ((const void *)mod->BaseAddress <= addr &&
1156 (const char *)addr < (char*)mod->BaseAddress + mod->SizeOfImage)
1157 {
1158 *pmod = mod;
1159 return STATUS_SUCCESS;
1160 }
1161 if ((const void *)mod->BaseAddress > addr) break;
1162 }
1163 return STATUS_NO_MORE_ENTRIES;
1164 }
1165
1166 /******************************************************************
1167 * LdrLockLoaderLock (NTDLL.@)
1168 *
1169 * Note: flags are not implemented.
1170 * Flag 0x01 is used to raise exceptions on errors.
1171 * Flag 0x02 is used to avoid waiting on the section (does RtlTryEnterCriticalSection instead).
1172 */
1173 NTSTATUS WINAPI LdrLockLoaderLock( ULONG flags, ULONG *result, ULONG *magic )
1174 {
1175 if (flags) FIXME( "flags %x not supported\n", flags );
1176
1177 if (result) *result = 1;
1178 if (!magic) return STATUS_INVALID_PARAMETER_3;
1179 RtlEnterCriticalSection( &loader_section );
1180 *magic = GetCurrentThreadId();
1181 return STATUS_SUCCESS;
1182 }
1183
1184
1185 /******************************************************************
1186 * LdrUnlockLoaderUnlock (NTDLL.@)
1187 */
1188 NTSTATUS WINAPI LdrUnlockLoaderLock( ULONG flags, ULONG magic )
1189 {
1190 if (magic)
1191 {
1192 if (magic != GetCurrentThreadId()) return STATUS_INVALID_PARAMETER_2;
1193 RtlLeaveCriticalSection( &loader_section );
1194 }
1195 return STATUS_SUCCESS;
1196 }
1197
1198
1199 /******************************************************************
1200 * LdrGetProcedureAddress (NTDLL.@)
1201 */
1202 NTSTATUS WINAPI LdrGetProcedureAddress(HMODULE module, const ANSI_STRING *name,
1203 ULONG ord, PVOID *address)
1204 {
1205 IMAGE_EXPORT_DIRECTORY *exports;
1206 DWORD exp_size;
1207 NTSTATUS ret = STATUS_PROCEDURE_NOT_FOUND;
1208
1209 RtlEnterCriticalSection( &loader_section );
1210
1211 /* check if the module itself is invalid to return the proper error */
1212 if (!get_modref( module )) ret = STATUS_DLL_NOT_FOUND;
1213 else if ((exports = RtlImageDirectoryEntryToData( module, TRUE,
1214 IMAGE_DIRECTORY_ENTRY_EXPORT, &exp_size )))
1215 {
1216 LPCWSTR load_path = NtCurrentTeb()->Peb->ProcessParameters->DllPath.Buffer;
1217 void *proc = name ? find_named_export( module, exports, exp_size, name->Buffer, -1, load_path )
1218 : find_ordinal_export( module, exports, exp_size, ord - exports->Base, load_path );
1219 if (proc)
1220 {
1221 *address = proc;
1222 ret = STATUS_SUCCESS;
1223 }
1224 }
1225
1226 RtlLeaveCriticalSection( &loader_section );
1227 return ret;
1228 }
1229
1230
1231 /***********************************************************************
1232 * is_fake_dll
1233 *
1234 * Check if a loaded native dll is a Wine fake dll.
1235 */
1236 static BOOL is_fake_dll( const void *base )
1237 {
1238 static const char fakedll_signature[] = "Wine placeholder DLL";
1239 const IMAGE_DOS_HEADER *dos = base;
1240
1241 if (dos->e_lfanew >= sizeof(*dos) + sizeof(fakedll_signature) &&
1242 !memcmp( dos + 1, fakedll_signature, sizeof(fakedll_signature) )) return TRUE;
1243 return FALSE;
1244 }
1245
1246
1247 /***********************************************************************
1248 * get_builtin_fullname
1249 *
1250 * Build the full pathname for a builtin dll.
1251 */
1252 static WCHAR *get_builtin_fullname( const WCHAR *path, const char *filename )
1253 {
1254 static const WCHAR soW[] = {'.','s','o',0};
1255 WCHAR *p, *fullname;
1256 size_t i, len = strlen(filename);
1257
1258 /* check if path can correspond to the dll we have */
1259 if (path && (p = strrchrW( path, '\\' )))
1260 {
1261 p++;
1262 for (i = 0; i < len; i++)
1263 if (tolowerW(p[i]) != tolowerW( (WCHAR)filename[i]) ) break;
1264 if (i == len && (!p[len] || !strcmpiW( p + len, soW )))
1265 {
1266 /* the filename matches, use path as the full path */
1267 len += p - path;
1268 if ((fullname = RtlAllocateHeap( GetProcessHeap(), 0, (len + 1) * sizeof(WCHAR) )))
1269 {
1270 memcpy( fullname, path, len * sizeof(WCHAR) );
1271 fullname[len] = 0;
1272 }
1273 return fullname;
1274 }
1275 }
1276
1277 if ((fullname = RtlAllocateHeap( GetProcessHeap(), 0,
1278 system_dir.MaximumLength + (len + 1) * sizeof(WCHAR) )))
1279 {
1280 memcpy( fullname, system_dir.Buffer, system_dir.Length );
1281 p = fullname + system_dir.Length / sizeof(WCHAR);
1282 if (p > fullname && p[-1] != '\\') *p++ = '\\';
1283 ascii_to_unicode( p, filename, len + 1 );
1284 }
1285 return fullname;
1286 }
1287
1288
1289 /***********************************************************************
1290 * load_builtin_callback
1291 *
1292 * Load a library in memory; callback function for wine_dll_register
1293 */
1294 static void load_builtin_callback( void *module, const char *filename )
1295 {
1296 static const WCHAR emptyW[1];
1297 void *addr;
1298 IMAGE_NT_HEADERS *nt;
1299 WINE_MODREF *wm;
1300 WCHAR *fullname;
1301 const WCHAR *load_path;
1302 SIZE_T size;
1303
1304 if (!module)
1305 {
1306 ERR("could not map image for %s\n", filename ? filename : "main exe" );
1307 return;
1308 }
1309 if (!(nt = RtlImageNtHeader( module )))
1310 {
1311 ERR( "bad module for %s\n", filename ? filename : "main exe" );
1312 builtin_load_info->status = STATUS_INVALID_IMAGE_FORMAT;
1313 return;
1314 }
1315 addr = module;
1316 size = nt->OptionalHeader.SizeOfImage;
1317 NtAllocateVirtualMemory( NtCurrentProcess(), &addr, 0, &size,
1318 MEM_SYSTEM | MEM_IMAGE, PAGE_EXECUTE_WRITECOPY );
1319 /* create the MODREF */
1320
1321 if (!(fullname = get_builtin_fullname( builtin_load_info->filename, filename )))
1322 {
1323 ERR( "can't load %s\n", filename );
1324 builtin_load_info->status = STATUS_NO_MEMORY;
1325 return;
1326 }
1327
1328 wm = alloc_module( module, fullname );
1329 RtlFreeHeap( GetProcessHeap(), 0, fullname );
1330 if (!wm)
1331 {
1332 ERR( "can't load %s\n", filename );
1333 builtin_load_info->status = STATUS_NO_MEMORY;
1334 return;
1335 }
1336 wm->ldr.Flags |= LDR_WINE_INTERNAL;
1337
1338 if (!(nt->FileHeader.Characteristics & IMAGE_FILE_DLL) &&
1339 !NtCurrentTeb()->Peb->ImageBaseAddress) /* if we already have an executable, ignore this one */
1340 {
1341 NtCurrentTeb()->Peb->ImageBaseAddress = module;
1342 }
1343 else
1344 {
1345 /* fixup imports */
1346
1347 load_path = builtin_load_info->load_path;
1348 if (!load_path) load_path = NtCurrentTeb()->Peb->ProcessParameters->DllPath.Buffer;
1349 if (!load_path) load_path = emptyW;
1350 if (fixup_imports( wm, load_path ) != STATUS_SUCCESS)
1351 {
1352 /* the module has only be inserted in the load & memory order lists */
1353 RemoveEntryList(&wm->ldr.InLoadOrderModuleList);
1354 RemoveEntryList(&wm->ldr.InMemoryOrderModuleList);
1355 /* FIXME: free the modref */
1356 builtin_load_info->status = STATUS_DLL_NOT_FOUND;
1357 return;
1358 }
1359 }
1360
1361 builtin_load_info->wm = wm;
1362 TRACE( "loaded %s %p %p\n", filename, wm, module );
1363
1364 /* send the DLL load event */
1365
1366 SERVER_START_REQ( load_dll )
1367 {
1368 req->handle = 0;
1369 req->base = module;
1370 req->size = nt->OptionalHeader.SizeOfImage;
1371 req->dbg_offset = nt->FileHeader.PointerToSymbolTable;
1372 req->dbg_size = nt->FileHeader.NumberOfSymbols;
1373 req->name = &wm->ldr.FullDllName.Buffer;
1374 wine_server_add_data( req, wm->ldr.FullDllName.Buffer, wm->ldr.FullDllName.Length );
1375 wine_server_call( req );
1376 }
1377 SERVER_END_REQ;
1378
1379 /* setup relay debugging entry points */
1380 if (TRACE_ON(relay)) RELAY_SetupDLL( module );
1381 }
1382
1383
1384 /***********************************************************************
1385 * do_relocations
1386 *
1387 * Apply the relocations to a mapped PE image
1388 */
1389 static int do_relocations( char *base, const IMAGE_DATA_DIRECTORY *dir,
1390 int delta, SIZE_T total_size )
1391 {
1392 IMAGE_BASE_RELOCATION *rel;
1393
1394 TRACE_(module)( "relocating from %p-%p to %p-%p\n",
1395 base - delta, base - delta + total_size, base, base + total_size );
1396
1397 for (rel = (IMAGE_BASE_RELOCATION *)(base + dir->VirtualAddress);
1398 ((char *)rel < base + dir->VirtualAddress + dir->Size) && rel->SizeOfBlock;
1399 rel = (IMAGE_BASE_RELOCATION*)((char*)rel + rel->SizeOfBlock) )
1400 {
1401 char *page = base + rel->VirtualAddress;
1402 WORD *TypeOffset = (WORD *)(rel + 1);
1403 int i, count = (rel->SizeOfBlock - sizeof(*rel)) / sizeof(*TypeOffset);
1404
1405 if (!count) continue;
1406
1407 /* sanity checks */
1408 if ((char *)rel + rel->SizeOfBlock > base + dir->VirtualAddress + dir->Size)
1409 {
1410 ERR_(module)("invalid relocation %p,%x,%d at %p,%x,%x\n",
1411 rel, rel->VirtualAddress, rel->SizeOfBlock,
1412 base, dir->VirtualAddress, dir->Size );
1413 return 0;
1414 }
1415
1416 if (page > base + total_size)
1417 {
1418 WARN_(module)("skipping %d relocations for page %p beyond module %p-%p\n",
1419 count, page, base, base + total_size );
1420 continue;
1421 }
1422
1423 TRACE_(module)("%d relocations for page %x\n", count, rel->VirtualAddress);
1424
1425 /* patching in reverse order */
1426 for (i = 0 ; i < count; i++)
1427 {
1428 int offset = TypeOffset[i] & 0xFFF;
1429 int type = TypeOffset[i] >> 12;
1430 switch(type)
1431 {
1432 case IMAGE_REL_BASED_ABSOLUTE:
1433 break;
1434 case IMAGE_REL_BASED_HIGH:
1435 *(short*)(page+offset) += HIWORD(delta);
1436 break;
1437 case IMAGE_REL_BASED_LOW:
1438 *(short*)(page+offset) += LOWORD(delta);
1439 break;
1440 case IMAGE_REL_BASED_HIGHLOW:
1441 *(int*)(page+offset) += delta;
1442 /* FIXME: if this is an exported address, fire up enhanced logic */
1443 break;
1444 default:
1445 FIXME_(module)("Unknown/unsupported fixup type %d.\n", type);
1446 break;
1447 }
1448 }
1449 }
1450 return 1;
1451 }
1452
1453 /******************************************************************************
1454 * load_native_dll (internal)
1455 */
1456 static NTSTATUS load_native_dll( LPCWSTR load_path, LPCWSTR name, HANDLE file,
1457 DWORD flags, WINE_MODREF** pwm )
1458 {
1459 void *module;
1460 HANDLE mapping;
1461 LARGE_INTEGER size;
1462 IMAGE_NT_HEADERS *nt;
1463 SIZE_T len = 0;
1464 WINE_MODREF *wm;
1465 NTSTATUS status;
1466 LPCWSTR filename;
1467
1468 TRACE("Trying native dll %s\n", debugstr_w(name));
1469
1470 size.QuadPart = 0;
1471
1472 status = NtCreateSection( &mapping, STANDARD_RIGHTS_REQUIRED | SECTION_QUERY | SECTION_MAP_READ,
1473 NULL, &size, 0, SEC_IMAGE, file );
1474 if (status != STATUS_SUCCESS) return status;
1475
1476 module = NULL;
1477 status = NtMapViewOfSection( mapping, NtCurrentProcess(),
1478 &module, 0, 0, &size, &len, ViewShare, 0, PAGE_READONLY );
1479 NtClose( mapping );
1480
1481 if (status != STATUS_SUCCESS && status != STATUS_IMAGE_NOT_AT_BASE)
1482 return status;
1483
1484 filename = strrchrW(name, '\\');
1485 if(filename)
1486 {
1487 filename++;
1488 wm = find_basename_module(filename);
1489 if(wm)
1490 {
1491 status = NtAreMappedFilesTheSame(wm->ldr.BaseAddress, module);
1492 if(status == STATUS_SUCCESS)
1493 {
1494 *pwm = wm;
1495 return STATUS_SUCCESS;
1496 //FIXME: need to unmap?
1497 }
1498 // FIXME what happens for other errors
1499 // maybe assert STATUS_NOT_SAME_DEVICE
1500 }
1501 }
1502
1503 nt = RtlImageNtHeader( module );
1504
1505 if(status == STATUS_IMAGE_NOT_AT_BASE)
1506 {
1507 /* image was not loaded at preferred address -> need to relocate it */
1508 char *ptr = (char*) module;
1509 const IMAGE_DATA_DIRECTORY *relocs;
1510 char* base;
1511 IMAGE_SECTION_HEADER *sec;
1512 ULONG old_protections[255];//FIXME
1513 int i;
1514 PVOID address;
1515 SIZE_T size;
1516 ULONG old_prot;
1517
1518 nt = RtlImageNtHeader( module );
1519 base = (char*)nt->OptionalHeader.ImageBase;
1520 relocs = &nt->OptionalHeader.DataDirectory[IMAGE_DIRECTORY_ENTRY_BASERELOC];
1521
1522 sec = (IMAGE_SECTION_HEADER*)((char*)&nt->OptionalHeader+nt->FileHeader.SizeOfOptionalHeader);
1523 for (i = 0; i < nt->FileHeader.NumberOfSections; i++, sec++)
1524 {
1525 if(i>=255) break;
1526 address = ptr + sec->VirtualAddress;//FIXME: virtual.c does some rounding/sanity checks on the parameters
1527 size = sec->Misc.VirtualSize;
1528 // FIXME("unprotecting %x, %p, %x\n", sec->Misc.VirtualSize, address, size);
1529 status = NtProtectVirtualMemory(NtCurrentProcess(), &address, &size, PAGE_READWRITE, &old_prot);
1530 old_protections[i] = old_prot;
1531 if(status)
1532 FIXME("NtProtectVirtualMemory failed with %x\n", status);
1533 }
1534
1535 // FIXME("relocating DLL %s %p, %p %x\n", debugstr_w(name), ptr, base, ptr-base);
1536 // FIXME("len: %lx, size:%x%08x\n", len, size.u.HighPart, size.u.LowPart);
1537 do_relocations(ptr, relocs, ptr - base, len);
1538
1539 sec = (IMAGE_SECTION_HEADER*)((char*)&nt->OptionalHeader+nt->FileHeader.SizeOfOptionalHeader);
1540 for (i = 0; i < nt->FileHeader.NumberOfSections; i++, sec++)
1541 {
1542 if(i>=255) break;
1543 address = ptr + sec->VirtualAddress;//FIXME: virtual.c does some rounding/sanity checks on the parameters
1544 size = sec->Misc.VirtualSize;
1545 status = NtProtectVirtualMemory(NtCurrentProcess(), &address, &size, old_protections[i], &old_prot);
1546 if(status)
1547 FIXME("NtProtectVirtualMemory failed with %x\n", status);
1548 }
1549 }
1550
1551 if (is_fake_dll( module ))
1552 {
1553 TRACE( "%s is a fake dll, not loading it\n", debugstr_w(name) );
1554 NtUnmapViewOfSection( NtCurrentProcess(), module );
1555 return STATUS_DLL_NOT_FOUND;
1556 }
1557
1558 /* create the MODREF */
1559
1560 if (!(wm = alloc_module( module, name ))) return STATUS_NO_MEMORY;
1561
1562 /* fixup imports */
1563
1564 if (!(flags & DONT_RESOLVE_DLL_REFERENCES))
1565 {
1566 if ((status = fixup_imports( wm, load_path )) != STATUS_SUCCESS)
1567 {
1568 /* the module has only be inserted in the load & memory order lists */
1569 RemoveEntryList(&wm->ldr.InLoadOrderModuleList);
1570 RemoveEntryList(&wm->ldr.InMemoryOrderModuleList);
1571
1572 /* FIXME: there are several more dangling references
1573 * left. Including dlls loaded by this dll before the
1574 * failed one. Unrolling is rather difficult with the
1575 * current structure and we can leave them lying
1576 * around with no problems, so we don't care.
1577 * As these might reference our wm, we don't free it.
1578 */
1579 return status;
1580 }
1581 }
1582
1583 /* send DLL load event */
1584
1585 SERVER_START_REQ( load_dll )
1586 {
1587 req->handle = file;
1588 req->base = module;
1589 req->size = nt->OptionalHeader.SizeOfImage;
1590 req->dbg_offset = nt->FileHeader.PointerToSymbolTable;
1591 req->dbg_size = nt->FileHeader.NumberOfSymbols;
1592 req->name = &wm->ldr.FullDllName.Buffer;
1593 wine_server_add_data( req, wm->ldr.FullDllName.Buffer, wm->ldr.FullDllName.Length );
1594 wine_server_call( req );
1595 }
1596 SERVER_END_REQ;
1597
1598 if ((wm->ldr.Flags & LDR_IMAGE_IS_DLL) && TRACE_ON(snoop)) SNOOP_SetupDLL( module );
1599
1600 TRACE_(loaddll)( "Loaded %s at %p: native\n", debugstr_w(wm->ldr.FullDllName.Buffer), module );
1601
1602 wm->ldr.LoadCount = 1;
1603 *pwm = wm;
1604 return STATUS_SUCCESS;
1605 }
1606
1607
1608 /***********************************************************************
1609 * load_builtin_dll
1610 */
1611 static NTSTATUS load_builtin_dll( LPCWSTR load_path, LPCWSTR path, HANDLE file,
1612 DWORD flags, WINE_MODREF** pwm )
1613 {
1614 char error[256], dllname[MAX_PATH];
1615 const WCHAR *name, *p;
1616 DWORD len, i;
1617 void *handle = NULL;
1618 struct builtin_load_info info, *prev_info;
1619
1620 /* Fix the name in case we have a full path and extension */
1621 name = path;
1622 if ((p = strrchrW( name, '\\' ))) name = p + 1;
1623 if ((p = strrchrW( name, '/' ))) name = p + 1;
1624
1625 /* load_library will modify info.status. Note also that load_library can be
1626 * called several times, if the .so file we're loading has dependencies.
1627 * info.status will gather all the errors we may get while loading all these
1628 * libraries
1629 */
1630 info.load_path = load_path;
1631 info.filename = NULL;
1632 info.status = STATUS_SUCCESS;
1633 info.wm = NULL;
1634
1635 if (file) /* we have a real file, try to load it */
1636 {
1637 UNICODE_STRING nt_name;
1638 ANSI_STRING unix_name;
1639
1640 TRACE("Trying built-in %s\n", debugstr_w(path));
1641
1642 if (!RtlDosPathNameToNtPathName_U( path, &nt_name, NULL, NULL ))
1643 return STATUS_DLL_NOT_FOUND;
1644
1645 if (wine_nt_to_unix_file_name( &nt_name, &unix_name, FILE_OPEN, FALSE ))
1646 {
1647 RtlFreeUnicodeString( &nt_name );
1648 return STATUS_DLL_NOT_FOUND;
1649 }
1650 prev_info = builtin_load_info;
1651 info.filename = nt_name.Buffer + 4; /* skip \??\ */
1652 builtin_load_info = &info;
1653 handle = wine_dlopen( unix_name.Buffer, RTLD_NOW, error, sizeof(error) );
1654 builtin_load_info = prev_info;
1655 RtlFreeUnicodeString( &nt_name );
1656 RtlFreeHeap( GetProcessHeap(), 0, unix_name.Buffer );
1657 if (!handle)
1658 {
1659 WARN( "failed to load .so lib for builtin %s: %s\n", debugstr_w(path), error );
1660 return STATUS_INVALID_IMAGE_FORMAT;
1661 }
1662 }
1663 else
1664 {
1665 int file_exists;
1666
1667 TRACE("Trying built-in %s\n", debugstr_w(name));
1668
1669 /* we don't want to depend on the current codepage here */
1670 len = strlenW( name ) + 1;
1671 if (len >= sizeof(dllname)) return STATUS_NAME_TOO_LONG;
1672 for (i = 0; i < len; i++)
1673 {
1674 if (name[i] > 127) return STATUS_DLL_NOT_FOUND;
1675 dllname[i] = (char)name[i];
1676 if (dllname[i] >= 'A' && dllname[i] <= 'Z') dllname[i] += 'a' - 'A';
1677 }
1678
1679 prev_info = builtin_load_info;
1680 builtin_load_info = &info;
1681 handle = wine_dll_load( dllname, error, sizeof(error), &file_exists );
1682 builtin_load_info = prev_info;
1683 if (!handle)
1684 {
1685 if (!file_exists)
1686 {
1687 /* The file does not exist -> WARN() */
1688 WARN("cannot open .so lib for builtin %s: %s\n", debugstr_w(name), error);
1689 return STATUS_DLL_NOT_FOUND;
1690 }
1691 /* ERR() for all other errors (missing functions, ...) */
1692 ERR("failed to load .so lib for builtin %s: %s\n", debugstr_w(name), error );
1693 return STATUS_PROCEDURE_NOT_FOUND;
1694 }
1695 }
1696
1697 if (info.status != STATUS_SUCCESS)
1698 {
1699 wine_dll_unload( handle );
1700 return info.status;
1701 }
1702
1703 if (!info.wm)
1704 {
1705 PLIST_ENTRY mark, entry;
1706
1707 /* The constructor wasn't called, this means the .so is already
1708 * loaded under a different name. Try to find the wm for it. */
1709
1710 mark = &NtCurrentTeb()->Peb->LdrData->InLoadOrderModuleList;
1711 for (entry = mark->Flink; entry != mark; entry = entry->Flink)
1712 {
1713 LDR_MODULE *mod = CONTAINING_RECORD(entry, LDR_MODULE, InLoadOrderModuleList);
1714 if (mod->Flags & LDR_WINE_INTERNAL && mod->SectionHandle == handle)
1715 {
1716 info.wm = CONTAINING_RECORD(mod, WINE_MODREF, ldr);
1717 TRACE( "Found %s at %p for builtin %s\n",
1718 debugstr_w(info.wm->ldr.FullDllName.Buffer), info.wm->ldr.BaseAddress, debugstr_w(path) );
1719 break;
1720 }
1721 }
1722 wine_dll_unload( handle ); /* release the libdl refcount */
1723 if (!info.wm) return STATUS_INVALID_IMAGE_FORMAT;
1724 if (info.wm->ldr.LoadCount != -1) info.wm->ldr.LoadCount++;
1725 }
1726 else
1727 {
1728 TRACE_(loaddll)( "Loaded %s at %p: builtin\n", debugstr_w(info.wm->ldr.FullDllName.Buffer), info.wm->ldr.BaseAddress );
1729 info.wm->ldr.LoadCount = 1;
1730 info.wm->ldr.SectionHandle = handle;
1731 }
1732
1733 *pwm = info.wm;
1734 return STATUS_SUCCESS;
1735 }
1736
1737
1738 /***********************************************************************
1739 * find_actctx_dll
1740 *
1741 * Find the full path (if any) of the dll from the activation context.
1742 */
1743 static NTSTATUS find_actctx_dll( LPCWSTR libname, LPWSTR *fullname )
1744 {
1745 static const WCHAR winsxsW[] = {'\\','w','i','n','s','x','s','\\'};
1746 static const WCHAR dotManifestW[] = {'.','m','a','n','i','f','e','s','t',0};
1747
1748 ACTIVATION_CONTEXT_ASSEMBLY_DETAILED_INFORMATION *info;
1749 ACTCTX_SECTION_KEYED_DATA data;
1750 UNICODE_STRING nameW;
1751 NTSTATUS status;
1752 SIZE_T needed, size = 1024;
1753 WCHAR *p;
1754
1755 RtlInitUnicodeString( &nameW, libname );
1756 data.cbSize = sizeof(data);
1757 status = RtlFindActivationContextSectionString( FIND_ACTCTX_SECTION_KEY_RETURN_HACTCTX, NULL,
1758 ACTIVATION_CONTEXT_SECTION_DLL_REDIRECTION,
1759 &nameW, &data );
1760 if (status != STATUS_SUCCESS) return status;
1761
1762 for (;;)
1763 {
1764 if (!(info = RtlAllocateHeap( GetProcessHeap(), 0, size )))
1765 {
1766 status = STATUS_NO_MEMORY;
1767 goto done;
1768 }
1769 status = RtlQueryInformationActivationContext( 0, data.hActCtx, &data.ulAssemblyRosterIndex,
1770 AssemblyDetailedInformationInActivationContext,
1771 info, size, &needed );
1772 if (status == STATUS_SUCCESS) break;
1773 if (status != STATUS_BUFFER_TOO_SMALL) goto done;
1774 RtlFreeHeap( GetProcessHeap(), 0, info );
1775 size = needed;
1776 /* restart with larger buffer */
1777 }
1778
1779 if ((p = strrchrW( info->lpAssemblyManifestPath, '\\' )))
1780 {
1781 DWORD dirlen = info->ulAssemblyDirectoryNameLength / sizeof(WCHAR);
1782
1783 p++;
1784 if (strncmpiW( p, info->lpAssemblyDirectoryName, dirlen ) || strcmpiW( p + dirlen, dotManifestW ))
1785 {
1786 /* manifest name does not match directory name, so it's not a global
1787 * windows/winsxs manifest; use the manifest directory name instead */
1788 dirlen = p - info->lpAssemblyManifestPath;
1789 needed = (dirlen + 1) * sizeof(WCHAR) + nameW.Length;
1790 if (!(*fullname = p = RtlAllocateHeap( GetProcessHeap(), 0, needed )))
1791 {
1792 status = STATUS_NO_MEMORY;
1793 goto done;
1794 }
1795 memcpy( p, info->lpAssemblyManifestPath, dirlen * sizeof(WCHAR) );
1796 p += dirlen;
1797 strcpyW( p, libname );
1798 goto done;
1799 }
1800 }
1801
1802 needed = (windows_dir.Length + sizeof(winsxsW) + info->ulAssemblyDirectoryNameLength +
1803 nameW.Length + 2*sizeof(WCHAR));
1804
1805 if (!(*fullname = p = RtlAllocateHeap( GetProcessHeap(), 0, needed )))
1806 {
1807 status = STATUS_NO_MEMORY;
1808 goto done;
1809 }
1810 memcpy( p, windows_dir.Buffer, windows_dir.Length );
1811 p += windows_dir.Length / sizeof(WCHAR);
1812 memcpy( p, winsxsW, sizeof(winsxsW) );
1813 p += sizeof(winsxsW) / sizeof(WCHAR);
1814 memcpy( p, info->lpAssemblyDirectoryName, info->ulAssemblyDirectoryNameLength );
1815 p += info->ulAssemblyDirectoryNameLength / sizeof(WCHAR);
1816 *p++ = '\\';
1817 strcpyW( p, libname );
1818 done:
1819 RtlFreeHeap( GetProcessHeap(), 0, info );
1820 RtlReleaseActivationContext( data.hActCtx );
1821 return status;
1822 }
1823
1824
1825 /***********************************************************************
1826 * find_dll_file
1827 *
1828 * Find the file (or already loaded module) for a given dll name.
1829 */
1830 static NTSTATUS find_dll_file( const WCHAR *load_path, const WCHAR *libname,
1831 WCHAR *filename, ULONG *size, WINE_MODREF **pwm, HANDLE *handle )
1832 {
1833 OBJECT_ATTRIBUTES attr;
1834 IO_STATUS_BLOCK io;
1835 UNICODE_STRING nt_name;
1836 WCHAR *file_part, *ext, *dllname;
1837 ULONG len;
1838
1839 /* first append .dll if needed */
1840
1841 dllname = NULL;
1842 if (!(ext = strrchrW( libname, '.')) || strchrW( ext, '/' ) || strchrW( ext, '\\'))
1843 {
1844 if (!(dllname = RtlAllocateHeap( GetProcessHeap(), 0,
1845 (strlenW(libname) * sizeof(WCHAR)) + sizeof(dllW) )))
1846 return STATUS_NO_MEMORY;
1847 strcpyW( dllname, libname );
1848 strcatW( dllname, dllW );
1849 libname = dllname;
1850 }
1851
1852 nt_name.Buffer = NULL;
1853
1854 if (!contains_path( libname ))
1855 {
1856 NTSTATUS status;
1857 WCHAR *fullname = NULL;
1858
1859 if ((*pwm = find_basename_module( libname )) != NULL) goto found;
1860
1861 status = find_actctx_dll( libname, &fullname );
1862 if (status == STATUS_SUCCESS)
1863 {
1864 TRACE ("found %s for %s\n", debugstr_w(fullname), debugstr_w(libname) );
1865 RtlFreeHeap( GetProcessHeap(), 0, dllname );
1866 libname = dllname = fullname;
1867 }
1868 else if (status != STATUS_SXS_KEY_NOT_FOUND)
1869 {
1870 RtlFreeHeap( GetProcessHeap(), 0, dllname );
1871 return status;
1872 }
1873 }
1874
1875 if (RtlDetermineDosPathNameType_U( libname ) == RELATIVE_PATH)
1876 {
1877 /* we need to search for it */
1878 len = RtlDosSearchPath_U( load_path, libname, NULL, *size, filename, &file_part );
1879 if (len)
1880 {
1881 if (len >= *size) goto overflow;
1882 if ((*pwm = find_fullname_module( filename )) || !handle) goto found;
1883
1884 if (!RtlDosPathNameToNtPathName_U( filename, &nt_name, NULL, NULL ))
1885 {
1886 RtlFreeHeap( GetProcessHeap(), 0, dllname );
1887 return STATUS_NO_MEMORY;
1888 }
1889 attr.Length = sizeof(attr);
1890 attr.RootDirectory = 0;
1891 attr.Attributes = OBJ_CASE_INSENSITIVE;
1892 attr.ObjectName = &nt_name;
1893 attr.SecurityDescriptor = NULL;
1894 attr.SecurityQualityOfService = NULL;
1895 if (NtOpenFile( handle, GENERIC_READ, &attr, &io, FILE_SHARE_READ|FILE_SHARE_DELETE, 0 )) *handle = 0;
1896 goto found;
1897 }
1898
1899 /* not found */
1900
1901 if (!contains_path( libname ))
1902 {
1903 /* if libname doesn't contain a path at all, we simply return the name as is,
1904 * to be loaded as builtin */
1905 len = strlenW(libname) * sizeof(WCHAR);
1906 if (len >= *size) goto overflow;
1907 strcpyW( filename, libname );
1908 goto found;
1909 }
1910 }
1911
1912 /* absolute path name, or relative path name but not found above */
1913
1914 if (!RtlDosPathNameToNtPathName_U( libname, &nt_name, &file_part, NULL ))
1915 {
1916 RtlFreeHeap( GetProcessHeap(), 0, dllname );
1917 return STATUS_NO_MEMORY;
1918 }
1919 len = nt_name.Length - 4*sizeof(WCHAR); /* for \??\ prefix */
1920 if (len >= *size) goto overflow;
1921 memcpy( filename, nt_name.Buffer + 4, len + sizeof(WCHAR) );
1922 if (!(*pwm = find_fullname_module( filename )) && handle)
1923 {
1924 attr.Length = sizeof(attr);
1925 attr.RootDirectory = 0;
1926 attr.Attributes = OBJ_CASE_INSENSITIVE;
1927 attr.ObjectName = &nt_name;
1928 attr.SecurityDescriptor = NULL;
1929 attr.SecurityQualityOfService = NULL;
1930 if (NtOpenFile( handle, GENERIC_READ, &attr, &io, FILE_SHARE_READ|FILE_SHARE_DELETE, 0 )) *handle = 0;
1931 }
1932 found:
1933 RtlFreeUnicodeString( &nt_name );
1934 RtlFreeHeap( GetProcessHeap(), 0, dllname );
1935 return STATUS_SUCCESS;
1936
1937 overflow:
1938 RtlFreeUnicodeString( &nt_name );
1939 RtlFreeHeap( GetProcessHeap(), 0, dllname );
1940 *size = len + sizeof(WCHAR);
1941 return STATUS_BUFFER_TOO_SMALL;
1942 }
1943
1944
1945 /***********************************************************************
1946 * load_dll (internal)
1947 *
1948 * Load a PE style module according to the load order.
1949 * The loader_section must be locked while calling this function.
1950 */
1951 static NTSTATUS load_dll( LPCWSTR load_path, LPCWSTR libname, DWORD flags, WINE_MODREF** pwm )
1952 {
1953 enum loadorder loadorder;
1954 WCHAR buffer[32];
1955 WCHAR *filename;
1956 ULONG size;
1957 WINE_MODREF *main_exe;
1958 HANDLE handle = 0;
1959 NTSTATUS nts;
1960
1961 TRACE( "looking for %s in %s\n", debugstr_w(libname), debugstr_w(load_path) );
1962
1963 *pwm = NULL;
1964 filename = buffer;
1965 size = sizeof(buffer);
1966 for (;;)
1967 {
1968 nts = find_dll_file( load_path, libname, filename, &size, pwm, &handle );
1969 if (nts == STATUS_SUCCESS) break;
1970 if (filename != buffer) RtlFreeHeap( GetProcessHeap(), 0, filename );
1971 if (nts != STATUS_BUFFER_TOO_SMALL) return nts;
1972 /* grow the buffer and retry */
1973 if (!(filename = RtlAllocateHeap( GetProcessHeap(), 0, size ))) return STATUS_NO_MEMORY;
1974 }
1975
1976 if (*pwm) /* found already loaded module */
1977 {
1978 if ((*pwm)->ldr.LoadCount != -1) (*pwm)->ldr.LoadCount++;
1979
1980 if (!(flags & DONT_RESOLVE_DLL_REFERENCES)) fixup_imports( *pwm, load_path );
1981
1982 TRACE("Found %s for %s at %p, count=%d\n",
1983 debugstr_w((*pwm)->ldr.FullDllName.Buffer), debugstr_w(libname),
1984 (*pwm)->ldr.BaseAddress, (*pwm)->ldr.LoadCount);
1985 if (filename != buffer) RtlFreeHeap( GetProcessHeap(), 0, filename );
1986 return STATUS_SUCCESS;
1987 }
1988
1989 main_exe = get_modref( NtCurrentTeb()->Peb->ImageBaseAddress );
1990 loadorder = get_load_order( main_exe ? main_exe->ldr.BaseDllName.Buffer : NULL, filename );
1991
1992 switch(loadorder)
1993 {
1994 case LO_INVALID:
1995 nts = STATUS_NO_MEMORY;
1996 break;
1997 case LO_DISABLED:
1998 nts = STATUS_DLL_NOT_FOUND;
1999 break;
2000 case LO_NATIVE:
2001 case LO_NATIVE_BUILTIN:
2002 if (!handle) nts = STATUS_DLL_NOT_FOUND;
2003 else
2004 {
2005 nts = load_native_dll( load_path, filename, handle, flags, pwm );
2006 if (nts == STATUS_INVALID_FILE_FOR_SECTION)
2007 /* not in PE format, maybe it's a builtin */
2008 nts = load_builtin_dll( load_path, filename, handle, flags, pwm );
2009 }
2010 if (nts == STATUS_DLL_NOT_FOUND && loadorder == LO_NATIVE_BUILTIN)
2011 nts = load_builtin_dll( load_path, filename, 0, flags, pwm );
2012 break;
2013 case LO_BUILTIN:
2014 case LO_BUILTIN_NATIVE:
2015 case LO_DEFAULT: /* default is builtin,native */
2016 nts = load_builtin_dll( load_path, filename, handle, flags, pwm );
2017 if (!handle) break; /* nothing else we can try */
2018 /* file is not a builtin library, try without using the specified file */
2019 if (nts != STATUS_SUCCESS)
2020 nts = load_builtin_dll( load_path, filename, 0, flags, pwm );
2021 if (nts == STATUS_SUCCESS && loadorder == LO_DEFAULT &&
2022 !MODULE_InitDLL( *pwm, DLL_WINE_PREATTACH, NULL ))
2023 {
2024 /* stub-only dll, try native */
2025 TRACE( "%s pre-attach returned FALSE, preferring native\n", debugstr_w(filename) );
2026 LdrUnloadDll( (*pwm)->ldr.BaseAddress );
2027 nts = STATUS_DLL_NOT_FOUND;
2028 }
2029 if (nts == STATUS_DLL_NOT_FOUND && loadorder != LO_BUILTIN)
2030 nts = load_native_dll( load_path, filename, handle, flags, pwm );
2031 break;
2032 }
2033
2034 if (nts == STATUS_SUCCESS)
2035 {
2036 /* Initialize DLL just loaded */
2037 TRACE("Loaded module %s (%s) at %p\n", debugstr_w(filename),
2038 ((*pwm)->ldr.Flags & LDR_WINE_INTERNAL) ? "builtin" : "native",
2039 (*pwm)->ldr.BaseAddress);
2040 if (handle) NtClose( handle );
2041 if (filename != buffer) RtlFreeHeap( GetProcessHeap(), 0, filename );
2042 return nts;
2043 }
2044
2045 WARN("Failed to load module %s; status=%x\n", debugstr_w(libname), nts);
2046 if (handle) NtClose( handle );
2047 if (filename != buffer) RtlFreeHeap( GetProcessHeap(), 0, filename );
2048 return nts;
2049 }
2050
2051 /******************************************************************
2052 * LdrLoadDll (NTDLL.@)
2053 */
2054 NTSTATUS WINAPI LdrLoadDll(LPCWSTR path_name, DWORD flags,
2055 const UNICODE_STRING *libname, HMODULE* hModule)
2056 {
2057 WINE_MODREF *wm;
2058 NTSTATUS nts;
2059
2060 RtlEnterCriticalSection( &loader_section );
2061
2062 if (!path_name) path_name = NtCurrentTeb()->Peb->ProcessParameters->DllPath.Buffer;
2063 nts = load_dll( path_name, libname->Buffer, flags, &wm );
2064
2065 if (nts == STATUS_SUCCESS && !(wm->ldr.Flags & LDR_DONT_RESOLVE_REFS))
2066 {
2067 nts = process_attach( wm, NULL );
2068 if (nts != STATUS_SUCCESS)
2069 {
2070 LdrUnloadDll(wm->ldr.BaseAddress);
2071 wm = NULL;
2072 }
2073 }
2074 *hModule = (wm) ? wm->ldr.BaseAddress : NULL;
2075
2076 RtlLeaveCriticalSection( &loader_section );
2077 return nts;
2078 }
2079
2080
2081 /******************************************************************
2082 * LdrGetDllHandle (NTDLL.@)
2083 */
2084 NTSTATUS WINAPI LdrGetDllHandle( LPCWSTR load_path, ULONG flags, const UNICODE_STRING *name, HMODULE *base )
2085 {
2086 NTSTATUS status;
2087 WCHAR buffer[128];
2088 WCHAR *filename;
2089 ULONG size;
2090 WINE_MODREF *wm;
2091
2092 RtlEnterCriticalSection( &loader_section );
2093
2094 if (!load_path) load_path = NtCurrentTeb()->Peb->ProcessParameters->DllPath.Buffer;
2095
2096 filename = buffer;
2097 size = sizeof(buffer);
2098 for (;;)
2099 {
2100 status = find_dll_file( load_path, name->Buffer, filename, &size, &wm, NULL );
2101 if (filename != buffer) RtlFreeHeap( GetProcessHeap(), 0, filename );
2102 if (status != STATUS_BUFFER_TOO_SMALL) break;
2103 /* grow the buffer and retry */
2104 if (!(filename = RtlAllocateHeap( GetProcessHeap(), 0, size )))
2105 {
2106 status = STATUS_NO_MEMORY;
2107 break;
2108 }
2109 }
2110
2111 if (status == STATUS_SUCCESS)
2112 {
2113 if (wm) *base = wm->ldr.BaseAddress;
2114 else status = STATUS_DLL_NOT_FOUND;
2115 }
2116
2117 RtlLeaveCriticalSection( &loader_section );
2118 TRACE( "%s -> %p (load path %s)\n", debugstr_us(name), status ? NULL : *base, debugstr_w(load_path) );
2119 return status;
2120 }
2121
2122
2123 /******************************************************************
2124 * LdrAddRefDll (NTDLL.@)
2125 */
2126 NTSTATUS WINAPI LdrAddRefDll( ULONG flags, HMODULE module )
2127 {
2128 NTSTATUS ret = STATUS_SUCCESS;
2129 WINE_MODREF *wm;
2130
2131 if (flags) FIXME( "%p flags %x not implemented\n", module, flags );
2132
2133 RtlEnterCriticalSection( &loader_section );
2134
2135 if ((wm = get_modref( module )))
2136 {
2137 if (wm->ldr.LoadCount != -1) wm->ldr.LoadCount++;
2138 TRACE( "(%s) ldr.LoadCount: %d\n", debugstr_w(wm->ldr.BaseDllName.Buffer), wm->ldr.LoadCount );
2139 }
2140 else ret = STATUS_INVALID_PARAMETER;
2141
2142 RtlLeaveCriticalSection( &loader_section );
2143 return ret;
2144 }
2145
2146
2147 /******************************************************************
2148 * LdrQueryProcessModuleInformation
2149 *
2150 */
2151 NTSTATUS WINAPI LdrQueryProcessModuleInformation(PSYSTEM_MODULE_INFORMATION smi,
2152 ULONG buf_size, ULONG* req_size)
2153 {
2154 SYSTEM_MODULE* sm = &smi->Modules[0];
2155 ULONG size = sizeof(ULONG);
2156 NTSTATUS nts = STATUS_SUCCESS;
2157 ANSI_STRING str;
2158 char* ptr;
2159 PLIST_ENTRY mark, entry;
2160 PLDR_MODULE mod;
2161 WORD id = 0;
2162
2163 smi->ModulesCount = 0;
2164
2165 RtlEnterCriticalSection( &loader_section );
2166 mark = &NtCurrentTeb()->Peb->LdrData->InLoadOrderModuleList;
2167 for (entry = mark->Flink; entry != mark; entry = entry->Flink)
2168 {
2169 mod = CONTAINING_RECORD(entry, LDR_MODULE, InLoadOrderModuleList);
2170 size += sizeof(*sm);
2171 if (size <= buf_size)
2172 {
2173 sm->Reserved1 = 0; /* FIXME */
2174 sm->Reserved2 = 0; /* FIXME */
2175 sm->ImageBaseAddress = mod->BaseAddress;
2176 sm->ImageSize = mod->SizeOfImage;
2177 sm->Flags = mod->Flags;
2178 sm->Id = id++;
2179 sm->Rank = 0; /* FIXME */
2180 sm->Unknown = 0; /* FIXME */
2181 str.Length = 0;
2182 str.MaximumLength = MAXIMUM_FILENAME_LENGTH;
2183 str.Buffer = (char*)sm->Name;
2184 RtlUnicodeStringToAnsiString(&str, &mod->FullDllName, FALSE);
2185 ptr = strrchr(str.Buffer, '\\');
2186 sm->NameOffset = (ptr != NULL) ? (ptr - str.Buffer + 1) : 0;
2187
2188 smi->ModulesCount++;
2189 sm++;
2190 }
2191 else nts = STATUS_INFO_LENGTH_MISMATCH;
2192 }
2193 RtlLeaveCriticalSection( &loader_section );
2194
2195 if (req_size) *req_size = size;
2196
2197 return nts;
2198 }
2199
2200
2201 /******************************************************************
2202 * RtlDllShutdownInProgress (NTDLL.@)
2203 */
2204 BOOLEAN WINAPI RtlDllShutdownInProgress(void)
2205 {
2206 return process_detaching;
2207 }
2208
2209
2210 /******************************************************************
2211 * LdrShutdownProcess (NTDLL.@)
2212 *
2213 */
2214 void WINAPI LdrShutdownProcess(void)
2215 {
2216 TRACE("()\n");
2217 process_detach( TRUE, (LPVOID)1 );
2218 }
2219
2220 /******************************************************************
2221 * LdrShutdownThread (NTDLL.@)
2222 *
2223 */
2224 void WINAPI LdrShutdownThread(void)
2225 {
2226 PLIST_ENTRY mark, entry;
2227 PLDR_MODULE mod;
2228
2229 TRACE("()\n");
2230
2231 /* don't do any detach calls if process is exiting */
2232 if (process_detaching) return;
2233 /* FIXME: there is still a race here */
2234
2235 RtlEnterCriticalSection( &loader_section );
2236
2237 mark = &NtCurrentTeb()->Peb->LdrData->InInitializationOrderModuleList;
2238 for (entry = mark->Blink; entry != mark; entry = entry->Blink)
2239 {
2240 mod = CONTAINING_RECORD(entry, LDR_MODULE,
2241 InInitializationOrderModuleList);
2242 if ( !(mod->Flags & LDR_PROCESS_ATTACHED) )
2243 continue;
2244 if ( mod->Flags & LDR_NO_DLL_CALLS )
2245 continue;
2246
2247 MODULE_InitDLL( CONTAINING_RECORD(mod, WINE_MODREF, ldr),
2248 DLL_THREAD_DETACH, NULL );
2249 }
2250
2251 RtlLeaveCriticalSection( &loader_section );
2252 RtlFreeHeap( GetProcessHeap(), 0, NtCurrentTeb()->ThreadLocalStoragePointer );
2253 }
2254
2255
2256 /***********************************************************************
2257 * free_modref
2258 *
2259 */
2260 static void free_modref( WINE_MODREF *wm )
2261 {
2262 RemoveEntryList(&wm->ldr.InLoadOrderModuleList);
2263 RemoveEntryList(&wm->ldr.InMemoryOrderModuleList);
2264 if (wm->ldr.InInitializationOrderModuleList.Flink)
2265 RemoveEntryList(&wm->ldr.InInitializationOrderModuleList);
2266
2267 TRACE(" unloading %s\n", debugstr_w(wm->ldr.FullDllName.Buffer));
2268 if (!TRACE_ON(module))
2269 TRACE_(loaddll)("Unloaded module %s : %s\n",
2270 debugstr_w(wm->ldr.FullDllName.Buffer),
2271 (wm->ldr.Flags & LDR_WINE_INTERNAL) ? "builtin" : "native" );
2272
2273 SERVER_START_REQ( unload_dll )
2274 {
2275 req->base = wm->ldr.BaseAddress;
2276 wine_server_call( req );
2277 }
2278 SERVER_END_REQ;
2279
2280 RtlReleaseActivationContext( wm->ldr.ActivationContext );
2281 NtUnmapViewOfSection( NtCurrentProcess(), wm->ldr.BaseAddress );
2282 if (wm->ldr.Flags & LDR_WINE_INTERNAL) wine_dll_unload( wm->ldr.SectionHandle );
2283 if (cached_modref == wm) cached_modref = NULL;
2284 RtlFreeUnicodeString( &wm->ldr.FullDllName );
2285 RtlFreeHeap( GetProcessHeap(), 0, wm->deps );
2286 RtlFreeHeap( GetProcessHeap(), 0, wm );
2287 }
2288
2289 /***********************************************************************
2290 * MODULE_FlushModrefs
2291 *
2292 * Remove all unused modrefs and call the internal unloading routines
2293 * for the library type.
2294 *
2295 * The loader_section must be locked while calling this function.
2296 */
2297 static void MODULE_FlushModrefs(void)
2298 {
2299 PLIST_ENTRY mark, entry, prev;
2300 PLDR_MODULE mod;
2301 WINE_MODREF*wm;
2302
2303 mark = &NtCurrentTeb()->Peb->LdrData->InInitializationOrderModuleList;
2304 for (entry = mark->Blink; entry != mark; entry = prev)
2305 {
2306 mod = CONTAINING_RECORD(entry, LDR_MODULE, InInitializationOrderModuleList);
2307 wm = CONTAINING_RECORD(mod, WINE_MODREF, ldr);
2308 prev = entry->Blink;
2309 if (!mod->LoadCount) free_modref( wm );
2310 }
2311
2312 /* check load order list too for modules that haven't been initialized yet */
2313 mark = &NtCurrentTeb()->Peb->LdrData->InLoadOrderModuleList;
2314 for (entry = mark->Blink; entry != mark; entry = prev)
2315 {
2316 mod = CONTAINING_RECORD(entry, LDR_MODULE, InLoadOrderModuleList);
2317 wm = CONTAINING_RECORD(mod, WINE_MODREF, ldr);
2318 prev = entry->Blink;
2319 if (!mod->LoadCount) free_modref( wm );
2320 }
2321 }
2322
2323 /***********************************************************************
2324 * MODULE_DecRefCount
2325 *
2326 * The loader_section must be locked while calling this function.
2327 */
2328 static void MODULE_DecRefCount( WINE_MODREF *wm )
2329 {
2330 int i;
2331
2332 if ( wm->ldr.Flags & LDR_UNLOAD_IN_PROGRESS )
2333 return;
2334
2335 if ( wm->ldr.LoadCount <= 0 )
2336 return;
2337
2338 --wm->ldr.LoadCount;
2339 TRACE("(%s) ldr.LoadCount: %d\n", debugstr_w(wm->ldr.BaseDllName.Buffer), wm->ldr.LoadCount );
2340
2341 if ( wm->ldr.LoadCount == 0 )
2342 {
2343 wm->ldr.Flags |= LDR_UNLOAD_IN_PROGRESS;
2344
2345 for ( i = 0; i < wm->nDeps; i++ )
2346 if ( wm->deps[i] )
2347 MODULE_DecRefCount( wm->deps[i] );
2348
2349 wm->ldr.Flags &= ~LDR_UNLOAD_IN_PROGRESS;
2350 }
2351 }
2352
2353 /******************************************************************
2354 * LdrUnloadDll (NTDLL.@)
2355 *
2356 *
2357 */
2358 NTSTATUS WINAPI LdrUnloadDll( HMODULE hModule )
2359 {
2360 NTSTATUS retv = STATUS_SUCCESS;
2361
2362 TRACE("(%p)\n", hModule);
2363
2364 RtlEnterCriticalSection( &loader_section );
2365
2366 /* if we're stopping the whole process (and forcing the removal of all
2367 * DLLs) the library will be freed anyway
2368 */
2369 if (!process_detaching)
2370 {
2371 WINE_MODREF *wm;
2372
2373 free_lib_count++;
2374 if ((wm = get_modref( hModule )) != NULL)
2375 {
2376 TRACE("(%s) - START\n", debugstr_w(wm->ldr.BaseDllName.Buffer));
2377
2378 /* Recursively decrement reference counts */
2379 MODULE_DecRefCount( wm );
2380
2381 /* Call process detach notifications */
2382 if ( free_lib_count <= 1 )
2383 {
2384 process_detach( FALSE, NULL );
2385 MODULE_FlushModrefs();
2386 }
2387
2388 TRACE("END\n");
2389 }
2390 else
2391 retv = STATUS_DLL_NOT_FOUND;
2392
2393 free_lib_count--;
2394 }
2395
2396 RtlLeaveCriticalSection( &loader_section );
2397
2398 return retv;
2399 }
2400
2401 /***********************************************************************
2402 * RtlImageNtHeader (NTDLL.@)
2403 */
2404 PIMAGE_NT_HEADERS WINAPI RtlImageNtHeader(HMODULE hModule)
2405 {
2406 IMAGE_NT_HEADERS *ret;
2407
2408 __TRY
2409 {
2410 IMAGE_DOS_HEADER *dos = (IMAGE_DOS_HEADER *)hModule;
2411
2412 ret = NULL;
2413 if (dos->e_magic == IMAGE_DOS_SIGNATURE)
2414 {
2415 ret = (IMAGE_NT_HEADERS *)((char *)dos + dos->e_lfanew);
2416 if (ret->Signature != IMAGE_NT_SIGNATURE) ret = NULL;
2417 }
2418 }
2419 __EXCEPT_PAGE_FAULT
2420 {
2421 return NULL;
2422 }
2423 __ENDTRY
2424 return ret;
2425 }
2426
2427
2428 /******************************************************************
2429 * LdrInitializeThunk (NTDLL.@)
2430 *
2431 */
2432 void WINAPI LdrInitializeThunk( ULONG unknown1, ULONG unknown2, ULONG unknown3, ULONG unknown4 )
2433 {
2434 NTSTATUS status;
2435 WINE_MODREF *wm;
2436 LPCWSTR load_path;
2437 PEB *peb = NtCurrentTeb()->Peb;
2438 IMAGE_NT_HEADERS *nt = RtlImageNtHeader( peb->ImageBaseAddress );
2439
2440 if (main_exe_file) NtClose( main_exe_file ); /* at this point the main module is created */
2441
2442 /* allocate the modref for the main exe (if not already done) */
2443 wm = get_modref( peb->ImageBaseAddress );
2444 assert( wm );
2445 if (wm->ldr.Flags & LDR_IMAGE_IS_DLL)
2446 {
2447 ERR("%s is a dll, not an executable\n", debugstr_w(wm->ldr.FullDllName.Buffer) );
2448 exit(1);
2449 }
2450
2451 peb->LoaderLock = &loader_section;
2452 peb->ProcessParameters->ImagePathName = wm->ldr.FullDllName;
2453 version_init( wm->ldr.FullDllName.Buffer );
2454
2455 /* the main exe needs to be the first in the load order list */
2456 RemoveEntryList( &wm->ldr.InLoadOrderModuleList );
2457 InsertHeadList( &peb->LdrData->InLoadOrderModuleList, &wm->ldr.InLoadOrderModuleList );
2458
2459 status = server_init_process_done();
2460 if (status != STATUS_SUCCESS) goto error;
2461
2462 RtlEnterCriticalSection( &loader_section );
2463
2464 actctx_init();
2465 load_path = NtCurrentTeb()->Peb->ProcessParameters->DllPath.Buffer;
2466 if ((status = fixup_imports( wm, load_path )) != STATUS_SUCCESS) goto error;
2467 if ((status = alloc_process_tls()) != STATUS_SUCCESS) goto error;
2468 if ((status = alloc_thread_tls()) != STATUS_SUCCESS) goto error;
2469
2470 pthread_functions.sigprocmask( SIG_UNBLOCK, &server_block_set, NULL );
2471
2472 if ((status = process_attach( wm, (LPVOID)1 )) != STATUS_SUCCESS)
2473 {
2474 if (last_failed_modref)
2475 ERR( "%s failed to initialize, aborting\n", debugstr_w(last_failed_modref->ldr.BaseDllName.Buffer) + 1 );
2476 goto error;
2477 }
2478 attach_implicitly_loaded_dlls( (LPVOID)1 );
2479
2480 RtlLeaveCriticalSection( &loader_section );
2481
2482 if (nt->FileHeader.Characteristics & IMAGE_FILE_LARGE_ADDRESS_AWARE) VIRTUAL_UseLargeAddressSpace();
2483 return;
2484
2485 error:
2486 ERR( "Main exe initialization for %s failed, status %x\n",
2487 debugstr_w(peb->ProcessParameters->ImagePathName.Buffer), status );
2488 NtTerminateProcess( GetCurrentProcess(), status );
2489 }
2490
2491
2492 /***********************************************************************
2493 * RtlImageDirectoryEntryToData (NTDLL.@)
2494 */
2495 PVOID WINAPI RtlImageDirectoryEntryToData( HMODULE module, BOOL image, WORD dir, ULONG *size )
2496 {
2497 const IMAGE_NT_HEADERS *nt;
2498 DWORD addr;
2499
2500 if ((ULONG_PTR)module & 1) /* mapped as data file */
2501 {
2502 module = (HMODULE)((ULONG_PTR)module & ~1);
2503 image = FALSE;
2504 }
2505 if (!(nt = RtlImageNtHeader( module ))) return NULL;
2506 if (dir >= nt->OptionalHeader.NumberOfRvaAndSizes) return NULL;
2507 if (!(addr = nt->OptionalHeader.DataDirectory[dir].VirtualAddress)) return NULL;
2508 *size = nt->OptionalHeader.DataDirectory[dir].Size;
2509 if (image || addr < nt->OptionalHeader.SizeOfHeaders) return (char *)module + addr;
2510
2511 /* not mapped as image, need to find the section containing the virtual address */
2512 return RtlImageRvaToVa( nt, module, addr, NULL );
2513 }
2514
2515
2516 /***********************************************************************
2517 * RtlImageRvaToSection (NTDLL.@)
2518 */
2519 PIMAGE_SECTION_HEADER WINAPI RtlImageRvaToSection( const IMAGE_NT_HEADERS *nt,
2520 HMODULE module, DWORD rva )
2521 {
2522 int i;
2523 const IMAGE_SECTION_HEADER *sec;
2524
2525 sec = (const IMAGE_SECTION_HEADER*)((const char*)&nt->OptionalHeader +
2526 nt->FileHeader.SizeOfOptionalHeader);
2527 for (i = 0; i < nt->FileHeader.NumberOfSections; i++, sec++)
2528 {
2529 if ((sec->VirtualAddress <= rva) && (sec->VirtualAddress + sec->SizeOfRawData > rva))
2530 return (PIMAGE_SECTION_HEADER)sec;
2531 }
2532 return NULL;
2533 }
2534
2535
2536 /***********************************************************************
2537 * RtlImageRvaToVa (NTDLL.@)
2538 */
2539 PVOID WINAPI RtlImageRvaToVa( const IMAGE_NT_HEADERS *nt, HMODULE module,
2540 DWORD rva, IMAGE_SECTION_HEADER **section )
2541 {
2542 IMAGE_SECTION_HEADER *sec;
2543
2544 if (section && *section) /* try this section first */
2545 {
2546 sec = *section;
2547 if ((sec->VirtualAddress <= rva) && (sec->VirtualAddress + sec->SizeOfRawData > rva))
2548 goto found;
2549 }
2550 if (!(sec = RtlImageRvaToSection( nt, module, rva ))) return NULL;
2551 found:
2552 if (section) *section = sec;
2553 return (char *)module + sec->PointerToRawData + (rva - sec->VirtualAddress);
2554 }
2555
2556
2557 /***********************************************************************
2558 * RtlPcToFileHeader (NTDLL.@)
2559 */
2560 PVOID WINAPI RtlPcToFileHeader( PVOID pc, PVOID *address )
2561 {
2562 LDR_MODULE *module;
2563 PVOID ret = NULL;
2564
2565 RtlEnterCriticalSection( &loader_section );
2566 if (!LdrFindEntryForAddress( pc, &module )) ret = module->BaseAddress;
2567 RtlLeaveCriticalSection( &loader_section );
2568 *address = ret;
2569 return ret;
2570 }
2571
2572
2573 /***********************************************************************
2574 * NtLoadDriver (NTDLL.@)
2575 * ZwLoadDriver (NTDLL.@)
2576 */
2577 NTSTATUS WINAPI NtLoadDriver( const UNICODE_STRING *DriverServiceName )
2578 {
2579 FIXME("(%p), stub!\n",DriverServiceName);
2580 return STATUS_NOT_IMPLEMENTED;
2581 }
2582
2583
2584 /***********************************************************************
2585 * NtUnloadDriver (NTDLL.@)
2586 * ZwUnloadDriver (NTDLL.@)
2587 */
2588 NTSTATUS WINAPI NtUnloadDriver( const UNICODE_STRING *DriverServiceName )
2589 {
2590 FIXME("(%p), stub!\n",DriverServiceName);
2591 return STATUS_NOT_IMPLEMENTED;
2592 }
2593
2594
2595 /******************************************************************
2596 * DllMain (NTDLL.@)
2597 */
2598 BOOL WINAPI DllMain( HINSTANCE inst, DWORD reason, LPVOID reserved )
2599 {
2600 if (reason == DLL_PROCESS_ATTACH) LdrDisableThreadCalloutsForDll( inst );
2601 return TRUE;
2602 }
2603
2604
2605 /******************************************************************
2606 * __wine_init_windows_dir (NTDLL.@)
2607 *
2608 * Windows and system dir initialization once kernel32 has been loaded.
2609 */
2610 void __wine_init_windows_dir( const WCHAR *windir, const WCHAR *sysdir )
2611 {
2612 PLIST_ENTRY mark, entry;
2613 LPWSTR buffer, p;
2614
2615 RtlCreateUnicodeString( &windows_dir, windir );
2616 RtlCreateUnicodeString( &system_dir, sysdir );
2617 strcpyW( user_shared_data->NtSystemRoot, windir );
2618
2619 /* prepend the system dir to the name of the already created modules */
2620 mark = &NtCurrentTeb()->Peb->LdrData->InLoadOrderModuleList;
2621 for (entry = mark->Flink; entry != mark; entry = entry->Flink)
2622 {
2623 LDR_MODULE *mod = CONTAINING_RECORD( entry, LDR_MODULE, InLoadOrderModuleList );
2624
2625 assert( mod->Flags & LDR_WINE_INTERNAL );
2626
2627 buffer = RtlAllocateHeap( GetProcessHeap(), 0,
2628 system_dir.Length + mod->FullDllName.Length + 2*sizeof(WCHAR) );
2629 if (!buffer) continue;
2630 strcpyW( buffer, system_dir.Buffer );
2631 p = buffer + strlenW( buffer );
2632 if (p > buffer && p[-1] != '\\') *p++ = '\\';
2633 strcpyW( p, mod->FullDllName.Buffer );
2634 RtlInitUnicodeString( &mod->FullDllName, buffer );
2635 RtlInitUnicodeString( &mod->BaseDllName, p );
2636 }
2637 }
2638
2639
2640 /***********************************************************************
2641 * __wine_process_init
2642 */
2643 void __wine_process_init(void)
2644 {
2645 static const WCHAR kernel32W[] = {'k','e','r','n','e','l','3','2','.','d','l','l',0};
2646
2647 WINE_MODREF *wm;
2648 NTSTATUS status;
2649 ANSI_STRING func_name;
2650 void (* DECLSPEC_NORETURN init_func)(void);
2651 extern mode_t FILE_umask;
2652
2653 main_exe_file = thread_init();
2654
2655 criticalsection_init( );
2656
2657 /* retrieve current umask */
2658 FILE_umask = umask(0777);
2659 umask( FILE_umask );
2660
2661 /* setup the load callback and create ntdll modref */
2662 wine_dll_set_callback( load_builtin_callback );
2663
2664 if ((status = load_builtin_dll( NULL, kernel32W, 0, 0, &wm )) != STATUS_SUCCESS)
2665 {
2666 MESSAGE( "wine: could not load kernel32.dll, status %x\n", status );
2667 exit(1);
2668 }
2669 RtlInitAnsiString( &func_name, "__wine_kernel_init" );
2670 if ((status = LdrGetProcedureAddress( wm->ldr.BaseAddress, &func_name,
2671 0, (void **)&init_func )) != STATUS_SUCCESS)
2672 {
2673 MESSAGE( "wine: could not find __wine_kernel_init in kernel32.dll, status %x\n", status );
2674 exit(1);
2675 }
2676 init_func();
2677 }
various (hopefully) useful wine hacks