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kernel32: Change all functions to use CDECL.
[wine/wine64.git] / dlls / ntdll / loader.c
blob968d7fd68a735886a82a0a0883fb0c4774d15c99
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/pthread.h"
43 #include "wine/unicode.h"
44 #include "wine/debug.h"
45 #include "wine/server.h"
46 #include "ntdll_misc.h"
47 #include "ddk/wdm.h"
48
49 WINE_DEFAULT_DEBUG_CHANNEL(module);
50 WINE_DECLARE_DEBUG_CHANNEL(relay);
51 WINE_DECLARE_DEBUG_CHANNEL(snoop);
52 WINE_DECLARE_DEBUG_CHANNEL(loaddll);
53 WINE_DECLARE_DEBUG_CHANNEL(imports);
54
55 /* we don't want to include winuser.h */
56 #define RT_MANIFEST ((ULONG_PTR)24)
57 #define ISOLATIONAWARE_MANIFEST_RESOURCE_ID ((ULONG_PTR)2)
58
59 extern struct wine_pthread_functions pthread_functions;
60
61 typedef DWORD (CALLBACK *DLLENTRYPROC)(HMODULE,DWORD,LPVOID);
62
63 static int process_detaching = 0; /* set on process detach to avoid deadlocks with thread detach */
64 static int free_lib_count; /* recursion depth of LdrUnloadDll calls */
65
66 static const char * const reason_names[] =
67 {
68 "PROCESS_DETACH",
69 "PROCESS_ATTACH",
70 "THREAD_ATTACH",
71 "THREAD_DETACH",
72 NULL, NULL, NULL, NULL,
73 "WINE_PREATTACH"
74 };
75
76 static const WCHAR dllW[] = {'.','d','l','l',0};
77
78 /* internal representation of 32bit modules. per process. */
79 typedef struct _wine_modref
80 {
81 LDR_MODULE ldr;
82 int nDeps;
83 struct _wine_modref **deps;
84 } WINE_MODREF;
85
86 /* info about the current builtin dll load */
87 /* used to keep track of things across the register_dll constructor call */
88 struct builtin_load_info
89 {
90 const WCHAR *load_path;
91 const WCHAR *filename;
92 NTSTATUS status;
93 WINE_MODREF *wm;
94 };
95
96 static struct builtin_load_info default_load_info;
97 static struct builtin_load_info *builtin_load_info = &default_load_info;
98
99 static HANDLE main_exe_file;
100 static UINT tls_module_count; /* number of modules with TLS directory */
101 static UINT tls_total_size; /* total size of TLS storage */
102 static const IMAGE_TLS_DIRECTORY **tls_dirs; /* array of TLS directories */
103
104 UNICODE_STRING windows_dir = { 0, 0, NULL }; /* windows directory */
105 UNICODE_STRING system_dir = { 0, 0, NULL }; /* system directory */
106
107 static RTL_CRITICAL_SECTION loader_section;
108 static RTL_CRITICAL_SECTION_DEBUG critsect_debug =
109 {
110 0, 0, &loader_section,
111 { &critsect_debug.ProcessLocksList, &critsect_debug.ProcessLocksList },
112 0, 0, { (DWORD_PTR)(__FILE__ ": loader_section") }
113 };
114 static RTL_CRITICAL_SECTION loader_section = { &critsect_debug, -1, 0, 0, 0, 0 };
115
116 static WINE_MODREF *cached_modref;
117 static WINE_MODREF *current_modref;
118 static WINE_MODREF *last_failed_modref;
119
120 static NTSTATUS load_dll( LPCWSTR load_path, LPCWSTR libname, DWORD flags, WINE_MODREF** pwm );
121 static NTSTATUS process_attach( WINE_MODREF *wm, LPVOID lpReserved );
122 static FARPROC find_named_export( HMODULE module, const IMAGE_EXPORT_DIRECTORY *exports,
123 DWORD exp_size, const char *name, int hint, LPCWSTR load_path );
124
125 /* convert PE image VirtualAddress to Real Address */
126 static inline void *get_rva( HMODULE module, DWORD va )
127 {
128 return (void *)((char *)module + va);
129 }
130
131 /* check whether the file name contains a path */
132 static inline int contains_path( LPCWSTR name )
133 {
134 return ((*name && (name[1] == ':')) || strchrW(name, '/') || strchrW(name, '\\'));
135 }
136
137 /* convert from straight ASCII to Unicode without depending on the current codepage */
138 static inline void ascii_to_unicode( WCHAR *dst, const char *src, size_t len )
139 {
140 while (len--) *dst++ = (unsigned char)*src++;
141 }
142
143
144 /*************************************************************************
145 * call_dll_entry_point
146 *
147 * Some brain-damaged dlls (ir32_32.dll for instance) modify ebx in
148 * their entry point, so we need a small asm wrapper.
149 */
150 #ifdef __i386__
151 extern BOOL call_dll_entry_point( DLLENTRYPROC proc, void *module, UINT reason, void *reserved );
152 __ASM_GLOBAL_FUNC(call_dll_entry_point,
153 "pushl %ebp\n\t"
154 "movl %esp,%ebp\n\t"
155 "pushl %ebx\n\t"
156 "subl $8,%esp\n\t"
157 "pushl 20(%ebp)\n\t"
158 "pushl 16(%ebp)\n\t"
159 "pushl 12(%ebp)\n\t"
160 "movl 8(%ebp),%eax\n\t"
161 "call *%eax\n\t"
162 "leal -4(%ebp),%esp\n\t"
163 "popl %ebx\n\t"
164 "popl %ebp\n\t"
165 "ret" )
166 #else /* __i386__ */
167 static inline BOOL call_dll_entry_point( DLLENTRYPROC proc, void *module,
168 UINT reason, void *reserved )
169 {
170 return proc( module, reason, reserved );
171 }
172 #endif /* __i386__ */
173
174
175 #if defined(__i386__) || defined(__x86_64__)
176 /*************************************************************************
177 * stub_entry_point
178 *
179 * Entry point for stub functions.
180 */
181 static void stub_entry_point( const char *dll, const char *name, void *ret_addr )
182 {
183 EXCEPTION_RECORD rec;
184
185 rec.ExceptionCode = EXCEPTION_WINE_STUB;
186 rec.ExceptionFlags = EH_NONCONTINUABLE;
187 rec.ExceptionRecord = NULL;
188 rec.ExceptionAddress = ret_addr;
189 rec.NumberParameters = 2;
190 rec.ExceptionInformation[0] = (ULONG_PTR)dll;
191 rec.ExceptionInformation[1] = (ULONG_PTR)name;
192 for (;;) RtlRaiseException( &rec );
193 }
194
195
196 #include "pshpack1.h"
197 #ifdef __i386__
198 struct stub
199 {
200 BYTE pushl1; /* pushl $name */
201 const char *name;
202 BYTE pushl2; /* pushl $dll */
203 const char *dll;
204 BYTE call; /* call stub_entry_point */
205 DWORD entry;
206 };
207 #else
208 struct stub
209 {
210 BYTE movq_rdi[2]; /* movq $dll,%rdi */
211 const char *dll;
212 BYTE movq_rsi[2]; /* movq $name,%rsi */
213 const char *name;
214 BYTE movq_rsp_rdx[4]; /* movq (%rsp),%rdx */
215 BYTE movq_rax[2]; /* movq $entry, %rax */
216 const void* entry;
217 BYTE jmpq_rax[2]; /* jmp %rax */
218 };
219 #endif
220 #include "poppack.h"
221
222 /*************************************************************************
223 * allocate_stub
224 *
225 * Allocate a stub entry point.
226 */
227 static ULONG_PTR allocate_stub( const char *dll, const char *name )
228 {
229 #define MAX_SIZE 65536
230 static struct stub *stubs;
231 static unsigned int nb_stubs;
232 struct stub *stub;
233
234 if (nb_stubs >= MAX_SIZE / sizeof(*stub)) return 0xdeadbeef;
235
236 if (!stubs)
237 {
238 SIZE_T size = MAX_SIZE;
239 if (NtAllocateVirtualMemory( NtCurrentProcess(), (void **)&stubs, 0, &size,
240 MEM_COMMIT, PAGE_EXECUTE_WRITECOPY ) != STATUS_SUCCESS)
241 return 0xdeadbeef;
242 }
243 stub = &stubs[nb_stubs++];
244 #ifdef __i386__
245 stub->pushl1 = 0x68; /* pushl $name */
246 stub->name = name;
247 stub->pushl2 = 0x68; /* pushl $dll */
248 stub->dll = dll;
249 stub->call = 0xe8; /* call stub_entry_point */
250 stub->entry = (BYTE *)stub_entry_point - (BYTE *)(&stub->entry + 1);
251 #else
252 stub->movq_rdi[0] = 0x48; /* movq $dll,%rdi */
253 stub->movq_rdi[1] = 0xbf;
254 stub->dll = dll;
255 stub->movq_rsi[0] = 0x48; /* movq $name,%rsi */
256 stub->movq_rsi[1] = 0xbe;
257 stub->name = name;
258 stub->movq_rsp_rdx[0] = 0x48; /* movq (%rsp),%rdx */
259 stub->movq_rsp_rdx[1] = 0x8b;
260 stub->movq_rsp_rdx[2] = 0x14;
261 stub->movq_rsp_rdx[3] = 0x24;
262 stub->movq_rax[0] = 0x48; /* movq $entry, %rax */
263 stub->movq_rax[1] = 0xb8;
264 stub->entry = stub_entry_point;
265 stub->jmpq_rax[0] = 0xff; /* jmp %rax */
266 stub->jmpq_rax[1] = 0xe0;
267 #endif
268 return (ULONG_PTR)stub;
269 }
270
271 #else /* __i386__ */
272 static inline ULONG_PTR allocate_stub( const char *dll, const char *name ) { return 0xdeadbeef; }
273 #endif /* __i386__ */
274
275
276 /*************************************************************************
277 * get_modref
278 *
279 * Looks for the referenced HMODULE in the current process
280 * The loader_section must be locked while calling this function.
281 */
282 static WINE_MODREF *get_modref( HMODULE hmod )
283 {
284 PLIST_ENTRY mark, entry;
285 PLDR_MODULE mod;
286
287 if (cached_modref && cached_modref->ldr.BaseAddress == hmod) return cached_modref;
288
289 mark = &NtCurrentTeb()->Peb->LdrData->InMemoryOrderModuleList;
290 for (entry = mark->Flink; entry != mark; entry = entry->Flink)
291 {
292 mod = CONTAINING_RECORD(entry, LDR_MODULE, InMemoryOrderModuleList);
293 if (mod->BaseAddress == hmod)
294 return cached_modref = CONTAINING_RECORD(mod, WINE_MODREF, ldr);
295 if (mod->BaseAddress > (void*)hmod) break;
296 }
297 return NULL;
298 }
299
300
301 /**********************************************************************
302 * find_basename_module
303 *
304 * Find a module from its base name.
305 * The loader_section must be locked while calling this function
306 */
307 static WINE_MODREF *find_basename_module( LPCWSTR name )
308 {
309 PLIST_ENTRY mark, entry;
310
311 if (cached_modref && !strcmpiW( name, cached_modref->ldr.BaseDllName.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->BaseDllName.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_fullname_module
330 *
331 * Find a module from its full path name.
332 * The loader_section must be locked while calling this function
333 */
334 static WINE_MODREF *find_fullname_module( LPCWSTR name )
335 {
336 PLIST_ENTRY mark, entry;
337
338 if (cached_modref && !strcmpiW( name, cached_modref->ldr.FullDllName.Buffer ))
339 return cached_modref;
340
341 mark = &NtCurrentTeb()->Peb->LdrData->InLoadOrderModuleList;
342 for (entry = mark->Flink; entry != mark; entry = entry->Flink)
343 {
344 LDR_MODULE *mod = CONTAINING_RECORD(entry, LDR_MODULE, InLoadOrderModuleList);
345 if (!strcmpiW( name, mod->FullDllName.Buffer ))
346 {
347 cached_modref = CONTAINING_RECORD(mod, WINE_MODREF, ldr);
348 return cached_modref;
349 }
350 }
351 return NULL;
352 }
353
354
355 /*************************************************************************
356 * find_forwarded_export
357 *
358 * Find the final function pointer for a forwarded function.
359 * The loader_section must be locked while calling this function.
360 */
361 static FARPROC find_forwarded_export( HMODULE module, const char *forward, LPCWSTR load_path )
362 {
363 const IMAGE_EXPORT_DIRECTORY *exports;
364 DWORD exp_size;
365 WINE_MODREF *wm;
366 WCHAR mod_name[32];
367 const char *end = strrchr(forward, '.');
368 FARPROC proc = NULL;
369
370 if (!end) return NULL;
371 if ((end - forward) * sizeof(WCHAR) >= sizeof(mod_name)) return NULL;
372 ascii_to_unicode( mod_name, forward, end - forward );
373 mod_name[end - forward] = 0;
374 if (!strchrW( mod_name, '.' ))
375 {
376 if ((end - forward) * sizeof(WCHAR) >= sizeof(mod_name) - sizeof(dllW)) return NULL;
377 memcpy( mod_name + (end - forward), dllW, sizeof(dllW) );
378 }
379
380 if (!(wm = find_basename_module( mod_name )))
381 {
382 TRACE( "delay loading %s for '%s'\n", debugstr_w(mod_name), forward );
383 if (load_dll( load_path, mod_name, 0, &wm ) == STATUS_SUCCESS &&
384 !(wm->ldr.Flags & LDR_DONT_RESOLVE_REFS))
385 {
386 if (process_attach( wm, NULL ) != STATUS_SUCCESS)
387 {
388 LdrUnloadDll( wm->ldr.BaseAddress );
389 wm = NULL;
390 }
391 }
392
393 if (!wm)
394 {
395 ERR( "module not found for forward '%s' used by %s\n",
396 forward, debugstr_w(get_modref(module)->ldr.FullDllName.Buffer) );
397 return NULL;
398 }
399 }
400 if ((exports = RtlImageDirectoryEntryToData( wm->ldr.BaseAddress, TRUE,
401 IMAGE_DIRECTORY_ENTRY_EXPORT, &exp_size )))
402 proc = find_named_export( wm->ldr.BaseAddress, exports, exp_size, end + 1, -1, load_path );
403
404 if (!proc)
405 {
406 ERR("function not found for forward '%s' used by %s."
407 " If you are using builtin %s, try using the native one instead.\n",
408 forward, debugstr_w(get_modref(module)->ldr.FullDllName.Buffer),
409 debugstr_w(get_modref(module)->ldr.BaseDllName.Buffer) );
410 }
411 return proc;
412 }
413
414
415 /*************************************************************************
416 * find_ordinal_export
417 *
418 * Find an exported function by ordinal.
419 * The exports base must have been subtracted from the ordinal already.
420 * The loader_section must be locked while calling this function.
421 */
422 static FARPROC find_ordinal_export( HMODULE module, const IMAGE_EXPORT_DIRECTORY *exports,
423 DWORD exp_size, DWORD ordinal, LPCWSTR load_path )
424 {
425 FARPROC proc;
426 const DWORD *functions = get_rva( module, exports->AddressOfFunctions );
427
428 if (ordinal >= exports->NumberOfFunctions)
429 {
430 TRACE(" ordinal %d out of range!\n", ordinal + exports->Base );
431 return NULL;
432 }
433 if (!functions[ordinal]) return NULL;
434
435 proc = get_rva( module, functions[ordinal] );
436
437 /* if the address falls into the export dir, it's a forward */
438 if (((const char *)proc >= (const char *)exports) &&
439 ((const char *)proc < (const char *)exports + exp_size))
440 return find_forwarded_export( module, (const char *)proc, load_path );
441
442 if (TRACE_ON(snoop))
443 {
444 const WCHAR *user = current_modref ? current_modref->ldr.BaseDllName.Buffer : NULL;
445 proc = SNOOP_GetProcAddress( module, exports, exp_size, proc, ordinal, user );
446 }
447 if (TRACE_ON(relay))
448 {
449 const WCHAR *user = current_modref ? current_modref->ldr.BaseDllName.Buffer : NULL;
450 proc = RELAY_GetProcAddress( module, exports, exp_size, proc, ordinal, user );
451 }
452 return proc;
453 }
454
455
456 /*************************************************************************
457 * find_named_export
458 *
459 * Find an exported function by name.
460 * The loader_section must be locked while calling this function.
461 */
462 static FARPROC find_named_export( HMODULE module, const IMAGE_EXPORT_DIRECTORY *exports,
463 DWORD exp_size, const char *name, int hint, LPCWSTR load_path )
464 {
465 const WORD *ordinals = get_rva( module, exports->AddressOfNameOrdinals );
466 const DWORD *names = get_rva( module, exports->AddressOfNames );
467 int min = 0, max = exports->NumberOfNames - 1;
468
469 /* first check the hint */
470 if (hint >= 0 && hint <= max)
471 {
472 char *ename = get_rva( module, names[hint] );
473 if (!strcmp( ename, name ))
474 return find_ordinal_export( module, exports, exp_size, ordinals[hint], load_path );
475 }
476
477 /* then do a binary search */
478 while (min <= max)
479 {
480 int res, pos = (min + max) / 2;
481 char *ename = get_rva( module, names[pos] );
482 if (!(res = strcmp( ename, name )))
483 return find_ordinal_export( module, exports, exp_size, ordinals[pos], load_path );
484 if (res > 0) max = pos - 1;
485 else min = pos + 1;
486 }
487 return NULL;
488
489 }
490
491
492 /*************************************************************************
493 * import_dll
494 *
495 * Import the dll specified by the given import descriptor.
496 * The loader_section must be locked while calling this function.
497 */
498 static WINE_MODREF *import_dll( HMODULE module, const IMAGE_IMPORT_DESCRIPTOR *descr, LPCWSTR load_path )
499 {
500 NTSTATUS status;
501 WINE_MODREF *wmImp;
502 HMODULE imp_mod;
503 const IMAGE_EXPORT_DIRECTORY *exports;
504 DWORD exp_size;
505 const IMAGE_THUNK_DATA *import_list;
506 IMAGE_THUNK_DATA *thunk_list;
507 WCHAR buffer[32];
508 const char *name = get_rva( module, descr->Name );
509 DWORD len = strlen(name);
510 PVOID protect_base;
511 SIZE_T protect_size = 0;
512 DWORD protect_old;
513
514 thunk_list = get_rva( module, (DWORD)descr->FirstThunk );
515 if (descr->u.OriginalFirstThunk)
516 import_list = get_rva( module, (DWORD)descr->u.OriginalFirstThunk );
517 else
518 import_list = thunk_list;
519
520 while (len && name[len-1] == ' ') len--; /* remove trailing spaces */
521
522 if (len * sizeof(WCHAR) < sizeof(buffer))
523 {
524 ascii_to_unicode( buffer, name, len );
525 buffer[len] = 0;
526 status = load_dll( load_path, buffer, 0, &wmImp );
527 }
528 else /* need to allocate a larger buffer */
529 {
530 WCHAR *ptr = RtlAllocateHeap( GetProcessHeap(), 0, (len + 1) * sizeof(WCHAR) );
531 if (!ptr) return NULL;
532 ascii_to_unicode( ptr, name, len );
533 ptr[len] = 0;
534 status = load_dll( load_path, ptr, 0, &wmImp );
535 RtlFreeHeap( GetProcessHeap(), 0, ptr );
536 }
537
538 if (status)
539 {
540 if (status == STATUS_DLL_NOT_FOUND)
541 ERR("Library %s (which is needed by %s) not found\n",
542 name, debugstr_w(current_modref->ldr.FullDllName.Buffer));
543 else
544 ERR("Loading library %s (which is needed by %s) failed (error %x).\n",
545 name, debugstr_w(current_modref->ldr.FullDllName.Buffer), status);
546 return NULL;
547 }
548
549 /* unprotect the import address table since it can be located in
550 * readonly section */
551 while (import_list[protect_size].u1.Ordinal) protect_size++;
552 protect_base = thunk_list;
553 protect_size *= sizeof(*thunk_list);
554 NtProtectVirtualMemory( NtCurrentProcess(), &protect_base,
555 &protect_size, PAGE_WRITECOPY, &protect_old );
556
557 imp_mod = wmImp->ldr.BaseAddress;
558 exports = RtlImageDirectoryEntryToData( imp_mod, TRUE, IMAGE_DIRECTORY_ENTRY_EXPORT, &exp_size );
559
560 if (!exports)
561 {
562 /* set all imported function to deadbeef */
563 while (import_list->u1.Ordinal)
564 {
565 if (IMAGE_SNAP_BY_ORDINAL(import_list->u1.Ordinal))
566 {
567 int ordinal = IMAGE_ORDINAL(import_list->u1.Ordinal);
568 WARN("No implementation for %s.%d", name, ordinal );
569 thunk_list->u1.Function = allocate_stub( name, IntToPtr(ordinal) );
570 }
571 else
572 {
573 IMAGE_IMPORT_BY_NAME *pe_name = get_rva( module, (DWORD)import_list->u1.AddressOfData );
574 WARN("No implementation for %s.%s", name, pe_name->Name );
575 thunk_list->u1.Function = allocate_stub( name, (const char*)pe_name->Name );
576 }
577 WARN(" imported from %s, allocating stub %p\n",
578 debugstr_w(current_modref->ldr.FullDllName.Buffer),
579 (void *)thunk_list->u1.Function );
580 import_list++;
581 thunk_list++;
582 }
583 goto done;
584 }
585
586 while (import_list->u1.Ordinal)
587 {
588 if (IMAGE_SNAP_BY_ORDINAL(import_list->u1.Ordinal))
589 {
590 int ordinal = IMAGE_ORDINAL(import_list->u1.Ordinal);
591
592 thunk_list->u1.Function = (ULONG_PTR)find_ordinal_export( imp_mod, exports, exp_size,
593 ordinal - exports->Base, load_path );
594 if (!thunk_list->u1.Function)
595 {
596 thunk_list->u1.Function = allocate_stub( name, IntToPtr(ordinal) );
597 WARN("No implementation for %s.%d imported from %s, setting to %p\n",
598 name, ordinal, debugstr_w(current_modref->ldr.FullDllName.Buffer),
599 (void *)thunk_list->u1.Function );
600 }
601 TRACE_(imports)("--- Ordinal %s.%d = %p\n", name, ordinal, (void *)thunk_list->u1.Function );
602 }
603 else /* import by name */
604 {
605 IMAGE_IMPORT_BY_NAME *pe_name;
606 pe_name = get_rva( module, (DWORD)import_list->u1.AddressOfData );
607 thunk_list->u1.Function = (ULONG_PTR)find_named_export( imp_mod, exports, exp_size,
608 (const char*)pe_name->Name,
609 pe_name->Hint, load_path );
610 if (!thunk_list->u1.Function)
611 {
612 thunk_list->u1.Function = allocate_stub( name, (const char*)pe_name->Name );
613 WARN("No implementation for %s.%s imported from %s, setting to %p\n",
614 name, pe_name->Name, debugstr_w(current_modref->ldr.FullDllName.Buffer),
615 (void *)thunk_list->u1.Function );
616 }
617 TRACE_(imports)("--- %s %s.%d = %p\n",
618 pe_name->Name, name, pe_name->Hint, (void *)thunk_list->u1.Function);
619 }
620 import_list++;
621 thunk_list++;
622 }
623
624 done:
625 /* restore old protection of the import address table */
626 NtProtectVirtualMemory( NtCurrentProcess(), &protect_base, &protect_size, protect_old, NULL );
627 return wmImp;
628 }
629
630
631 /***********************************************************************
632 * create_module_activation_context
633 */
634 static NTSTATUS create_module_activation_context( LDR_MODULE *module )
635 {
636 NTSTATUS status;
637 LDR_RESOURCE_INFO info;
638 const IMAGE_RESOURCE_DATA_ENTRY *entry;
639
640 info.Type = RT_MANIFEST;
641 info.Name = ISOLATIONAWARE_MANIFEST_RESOURCE_ID;
642 info.Language = 0;
643 if (!(status = LdrFindResource_U( module->BaseAddress, &info, 3, &entry )))
644 {
645 ACTCTXW ctx;
646 ctx.cbSize = sizeof(ctx);
647 ctx.lpSource = NULL;
648 ctx.dwFlags = ACTCTX_FLAG_RESOURCE_NAME_VALID | ACTCTX_FLAG_HMODULE_VALID;
649 ctx.hModule = module->BaseAddress;
650 ctx.lpResourceName = (LPCWSTR)ISOLATIONAWARE_MANIFEST_RESOURCE_ID;
651 status = RtlCreateActivationContext( &module->ActivationContext, &ctx );
652 }
653 return status;
654 }
655
656
657 /****************************************************************
658 * fixup_imports
659 *
660 * Fixup all imports of a given module.
661 * The loader_section must be locked while calling this function.
662 */
663 static NTSTATUS fixup_imports( WINE_MODREF *wm, LPCWSTR load_path )
664 {
665 int i, nb_imports;
666 const IMAGE_IMPORT_DESCRIPTOR *imports;
667 WINE_MODREF *prev;
668 DWORD size;
669 NTSTATUS status;
670 ULONG_PTR cookie;
671
672 if (!(wm->ldr.Flags & LDR_DONT_RESOLVE_REFS)) return STATUS_SUCCESS; /* already done */
673 wm->ldr.Flags &= ~LDR_DONT_RESOLVE_REFS;
674
675 if (!(imports = RtlImageDirectoryEntryToData( wm->ldr.BaseAddress, TRUE,
676 IMAGE_DIRECTORY_ENTRY_IMPORT, &size )))
677 return STATUS_SUCCESS;
678
679 nb_imports = 0;
680 while (imports[nb_imports].Name && imports[nb_imports].FirstThunk) nb_imports++;
681
682 if (!nb_imports) return STATUS_SUCCESS; /* no imports */
683
684 if (!create_module_activation_context( &wm->ldr ))
685 RtlActivateActivationContext( 0, wm->ldr.ActivationContext, &cookie );
686
687 /* Allocate module dependency list */
688 wm->nDeps = nb_imports;
689 wm->deps = RtlAllocateHeap( GetProcessHeap(), 0, nb_imports*sizeof(WINE_MODREF *) );
690
691 /* load the imported modules. They are automatically
692 * added to the modref list of the process.
693 */
694 prev = current_modref;
695 current_modref = wm;
696 status = STATUS_SUCCESS;
697 for (i = 0; i < nb_imports; i++)
698 {
699 if (!(wm->deps[i] = import_dll( wm->ldr.BaseAddress, &imports[i], load_path )))
700 status = STATUS_DLL_NOT_FOUND;
701 }
702 current_modref = prev;
703 if (wm->ldr.ActivationContext) RtlDeactivateActivationContext( 0, cookie );
704 return status;
705 }
706
707
708 /*************************************************************************
709 * is_dll_native_subsystem
710 *
711 * Check if dll is a proper native driver.
712 * Some dlls (corpol.dll from IE6 for instance) are incorrectly marked as native
713 * while being perfectly normal DLLs. This heuristic should catch such breakages.
714 */
715 static BOOL is_dll_native_subsystem( HMODULE module, const IMAGE_NT_HEADERS *nt, LPCWSTR filename )
716 {
717 static const WCHAR ntdllW[] = {'n','t','d','l','l','.','d','l','l',0};
718 static const WCHAR kernel32W[] = {'k','e','r','n','e','l','3','2','.','d','l','l',0};
719 const IMAGE_IMPORT_DESCRIPTOR *imports;
720 DWORD i, size;
721 WCHAR buffer[16];
722
723 if (nt->OptionalHeader.Subsystem != IMAGE_SUBSYSTEM_NATIVE) return FALSE;
724 if (nt->OptionalHeader.SectionAlignment < getpagesize()) return TRUE;
725
726 if ((imports = RtlImageDirectoryEntryToData( module, TRUE,
727 IMAGE_DIRECTORY_ENTRY_IMPORT, &size )))
728 {
729 for (i = 0; imports[i].Name; i++)
730 {
731 const char *name = get_rva( module, imports[i].Name );
732 DWORD len = strlen(name);
733 if (len * sizeof(WCHAR) >= sizeof(buffer)) continue;
734 ascii_to_unicode( buffer, name, len + 1 );
735 if (!strcmpiW( buffer, ntdllW ) || !strcmpiW( buffer, kernel32W ))
736 {
737 TRACE( "%s imports %s, assuming not native\n", debugstr_w(filename), debugstr_w(buffer) );
738 return FALSE;
739 }
740 }
741 }
742 return TRUE;
743 }
744
745
746 /*************************************************************************
747 * alloc_module
748 *
749 * Allocate a WINE_MODREF structure and add it to the process list
750 * The loader_section must be locked while calling this function.
751 */
752 static WINE_MODREF *alloc_module( HMODULE hModule, LPCWSTR filename )
753 {
754 WINE_MODREF *wm;
755 const WCHAR *p;
756 const IMAGE_NT_HEADERS *nt = RtlImageNtHeader(hModule);
757 PLIST_ENTRY entry, mark;
758
759 if (!(wm = RtlAllocateHeap( GetProcessHeap(), 0, sizeof(*wm) ))) return NULL;
760
761 wm->nDeps = 0;
762 wm->deps = NULL;
763
764 wm->ldr.BaseAddress = hModule;
765 wm->ldr.EntryPoint = NULL;
766 wm->ldr.SizeOfImage = nt->OptionalHeader.SizeOfImage;
767 wm->ldr.Flags = LDR_DONT_RESOLVE_REFS;
768 wm->ldr.LoadCount = 1;
769 wm->ldr.TlsIndex = -1;
770 wm->ldr.SectionHandle = NULL;
771 wm->ldr.CheckSum = 0;
772 wm->ldr.TimeDateStamp = 0;
773 wm->ldr.ActivationContext = 0;
774
775 RtlCreateUnicodeString( &wm->ldr.FullDllName, filename );
776 if ((p = strrchrW( wm->ldr.FullDllName.Buffer, '\\' ))) p++;
777 else p = wm->ldr.FullDllName.Buffer;
778 RtlInitUnicodeString( &wm->ldr.BaseDllName, p );
779
780 if ((nt->FileHeader.Characteristics & IMAGE_FILE_DLL) && !is_dll_native_subsystem( hModule, nt, p ))
781 {
782 wm->ldr.Flags |= LDR_IMAGE_IS_DLL;
783 if (nt->OptionalHeader.AddressOfEntryPoint)
784 wm->ldr.EntryPoint = (char *)hModule + nt->OptionalHeader.AddressOfEntryPoint;
785 }
786
787 InsertTailList(&NtCurrentTeb()->Peb->LdrData->InLoadOrderModuleList,
788 &wm->ldr.InLoadOrderModuleList);
789
790 /* insert module in MemoryList, sorted in increasing base addresses */
791 mark = &NtCurrentTeb()->Peb->LdrData->InMemoryOrderModuleList;
792 for (entry = mark->Flink; entry != mark; entry = entry->Flink)
793 {
794 if (CONTAINING_RECORD(entry, LDR_MODULE, InMemoryOrderModuleList)->BaseAddress > wm->ldr.BaseAddress)
795 break;
796 }
797 entry->Blink->Flink = &wm->ldr.InMemoryOrderModuleList;
798 wm->ldr.InMemoryOrderModuleList.Blink = entry->Blink;
799 wm->ldr.InMemoryOrderModuleList.Flink = entry;
800 entry->Blink = &wm->ldr.InMemoryOrderModuleList;
801
802 /* wait until init is called for inserting into this list */
803 wm->ldr.InInitializationOrderModuleList.Flink = NULL;
804 wm->ldr.InInitializationOrderModuleList.Blink = NULL;
805
806 if (!(nt->OptionalHeader.DllCharacteristics & IMAGE_DLLCHARACTERISTICS_NX_COMPAT))
807 {
808 WARN( "disabling no-exec because of %s\n", debugstr_w(wm->ldr.BaseDllName.Buffer) );
809 VIRTUAL_SetForceExec( TRUE );
810 }
811 return wm;
812 }
813
814
815 /*************************************************************************
816 * alloc_process_tls
817 *
818 * Allocate the process-wide structure for module TLS storage.
819 */
820 static NTSTATUS alloc_process_tls(void)
821 {
822 PLIST_ENTRY mark, entry;
823 PLDR_MODULE mod;
824 const IMAGE_TLS_DIRECTORY *dir;
825 ULONG size, i;
826
827 mark = &NtCurrentTeb()->Peb->LdrData->InMemoryOrderModuleList;
828 for (entry = mark->Flink; entry != mark; entry = entry->Flink)
829 {
830 mod = CONTAINING_RECORD(entry, LDR_MODULE, InMemoryOrderModuleList);
831 if (!(dir = RtlImageDirectoryEntryToData( mod->BaseAddress, TRUE,
832 IMAGE_DIRECTORY_ENTRY_TLS, &size )))
833 continue;
834 size = (dir->EndAddressOfRawData - dir->StartAddressOfRawData) + dir->SizeOfZeroFill;
835 if (!size) continue;
836 tls_total_size += size;
837 tls_module_count++;
838 }
839 if (!tls_module_count) return STATUS_SUCCESS;
840
841 TRACE( "count %u size %u\n", tls_module_count, tls_total_size );
842
843 tls_dirs = RtlAllocateHeap( GetProcessHeap(), 0, tls_module_count * sizeof(*tls_dirs) );
844 if (!tls_dirs) return STATUS_NO_MEMORY;
845
846 for (i = 0, entry = mark->Flink; entry != mark; entry = entry->Flink)
847 {
848 mod = CONTAINING_RECORD(entry, LDR_MODULE, InMemoryOrderModuleList);
849 if (!(dir = RtlImageDirectoryEntryToData( mod->BaseAddress, TRUE,
850 IMAGE_DIRECTORY_ENTRY_TLS, &size )))
851 continue;
852 tls_dirs[i] = dir;
853 *(DWORD *)dir->AddressOfIndex = i;
854 mod->TlsIndex = i;
855 mod->LoadCount = -1; /* can't unload it */
856 i++;
857 }
858 return STATUS_SUCCESS;
859 }
860
861
862 /*************************************************************************
863 * alloc_thread_tls
864 *
865 * Allocate the per-thread structure for module TLS storage.
866 */
867 static NTSTATUS alloc_thread_tls(void)
868 {
869 void **pointers;
870 char *data;
871 UINT i;
872
873 if (!tls_module_count) return STATUS_SUCCESS;
874
875 if (!(pointers = RtlAllocateHeap( GetProcessHeap(), 0,
876 tls_module_count * sizeof(*pointers) )))
877 return STATUS_NO_MEMORY;
878
879 if (!(data = RtlAllocateHeap( GetProcessHeap(), 0, tls_total_size )))
880 {
881 RtlFreeHeap( GetProcessHeap(), 0, pointers );
882 return STATUS_NO_MEMORY;
883 }
884
885 for (i = 0; i < tls_module_count; i++)
886 {
887 const IMAGE_TLS_DIRECTORY *dir = tls_dirs[i];
888 ULONG size = dir->EndAddressOfRawData - dir->StartAddressOfRawData;
889
890 TRACE( "thread %04x idx %d: %d/%d bytes from %p to %p\n",
891 GetCurrentThreadId(), i, size, dir->SizeOfZeroFill,
892 (void *)dir->StartAddressOfRawData, data );
893
894 pointers[i] = data;
895 memcpy( data, (void *)dir->StartAddressOfRawData, size );
896 data += size;
897 memset( data, 0, dir->SizeOfZeroFill );
898 data += dir->SizeOfZeroFill;
899 }
900 NtCurrentTeb()->ThreadLocalStoragePointer = pointers;
901 return STATUS_SUCCESS;
902 }
903
904
905 /*************************************************************************
906 * call_tls_callbacks
907 */
908 static void call_tls_callbacks( HMODULE module, UINT reason )
909 {
910 const IMAGE_TLS_DIRECTORY *dir;
911 const PIMAGE_TLS_CALLBACK *callback;
912 ULONG dirsize;
913
914 dir = RtlImageDirectoryEntryToData( module, TRUE, IMAGE_DIRECTORY_ENTRY_TLS, &dirsize );
915 if (!dir || !dir->AddressOfCallBacks) return;
916
917 for (callback = (const PIMAGE_TLS_CALLBACK *)dir->AddressOfCallBacks; *callback; callback++)
918 {
919 if (TRACE_ON(relay))
920 DPRINTF("%04x:Call TLS callback (proc=%p,module=%p,reason=%s,reserved=0)\n",
921 GetCurrentThreadId(), *callback, module, reason_names[reason] );
922 __TRY
923 {
924 (*callback)( module, reason, NULL );
925 }
926 __EXCEPT_ALL
927 {
928 if (TRACE_ON(relay))
929 DPRINTF("%04x:exception in TLS callback (proc=%p,module=%p,reason=%s,reserved=0)\n",
930 GetCurrentThreadId(), callback, module, reason_names[reason] );
931 return;
932 }
933 __ENDTRY
934 if (TRACE_ON(relay))
935 DPRINTF("%04x:Ret TLS callback (proc=%p,module=%p,reason=%s,reserved=0)\n",
936 GetCurrentThreadId(), *callback, module, reason_names[reason] );
937 }
938 }
939
940
941 /*************************************************************************
942 * MODULE_InitDLL
943 */
944 static NTSTATUS MODULE_InitDLL( WINE_MODREF *wm, UINT reason, LPVOID lpReserved )
945 {
946 WCHAR mod_name[32];
947 NTSTATUS status = STATUS_SUCCESS;
948 DLLENTRYPROC entry = wm->ldr.EntryPoint;
949 void *module = wm->ldr.BaseAddress;
950 BOOL retv = TRUE;
951
952 /* Skip calls for modules loaded with special load flags */
953
954 if (wm->ldr.Flags & LDR_DONT_RESOLVE_REFS) return STATUS_SUCCESS;
955 if (wm->ldr.TlsIndex != -1) call_tls_callbacks( wm->ldr.BaseAddress, reason );
956 if (!entry) return STATUS_SUCCESS;
957
958 if (TRACE_ON(relay))
959 {
960 size_t len = min( wm->ldr.BaseDllName.Length, sizeof(mod_name)-sizeof(WCHAR) );
961 memcpy( mod_name, wm->ldr.BaseDllName.Buffer, len );
962 mod_name[len / sizeof(WCHAR)] = 0;
963 DPRINTF("%04x:Call PE DLL (proc=%p,module=%p %s,reason=%s,res=%p)\n",
964 GetCurrentThreadId(), entry, module, debugstr_w(mod_name),
965 reason_names[reason], lpReserved );
966 }
967 else TRACE("(%p %s,%s,%p) - CALL\n", module, debugstr_w(wm->ldr.BaseDllName.Buffer),
968 reason_names[reason], lpReserved );
969
970 __TRY
971 {
972 retv = call_dll_entry_point( entry, module, reason, lpReserved );
973 if (!retv)
974 status = STATUS_DLL_INIT_FAILED;
975 }
976 __EXCEPT_ALL
977 {
978 if (TRACE_ON(relay))
979 DPRINTF("%04x:exception in PE entry point (proc=%p,module=%p,reason=%s,res=%p)\n",
980 GetCurrentThreadId(), entry, module, reason_names[reason], lpReserved );
981 status = GetExceptionCode();
982 }
983 __ENDTRY
984
985 /* The state of the module list may have changed due to the call
986 to the dll. We cannot assume that this module has not been
987 deleted. */
988 if (TRACE_ON(relay))
989 DPRINTF("%04x:Ret PE DLL (proc=%p,module=%p %s,reason=%s,res=%p) retval=%x\n",
990 GetCurrentThreadId(), entry, module, debugstr_w(mod_name),
991 reason_names[reason], lpReserved, retv );
992 else TRACE("(%p,%s,%p) - RETURN %d\n", module, reason_names[reason], lpReserved, retv );
993
994 return status;
995 }
996
997
998 /*************************************************************************
999 * process_attach
1000 *
1001 * Send the process attach notification to all DLLs the given module
1002 * depends on (recursively). This is somewhat complicated due to the fact that
1003 *
1004 * - we have to respect the module dependencies, i.e. modules implicitly
1005 * referenced by another module have to be initialized before the module
1006 * itself can be initialized
1007 *
1008 * - the initialization routine of a DLL can itself call LoadLibrary,
1009 * thereby introducing a whole new set of dependencies (even involving
1010 * the 'old' modules) at any time during the whole process
1011 *
1012 * (Note that this routine can be recursively entered not only directly
1013 * from itself, but also via LoadLibrary from one of the called initialization
1014 * routines.)
1015 *
1016 * Furthermore, we need to rearrange the main WINE_MODREF list to allow
1017 * the process *detach* notifications to be sent in the correct order.
1018 * This must not only take into account module dependencies, but also
1019 * 'hidden' dependencies created by modules calling LoadLibrary in their
1020 * attach notification routine.
1021 *
1022 * The strategy is rather simple: we move a WINE_MODREF to the head of the
1023 * list after the attach notification has returned. This implies that the
1024 * detach notifications are called in the reverse of the sequence the attach
1025 * notifications *returned*.
1026 *
1027 * The loader_section must be locked while calling this function.
1028 */
1029 static NTSTATUS process_attach( WINE_MODREF *wm, LPVOID lpReserved )
1030 {
1031 NTSTATUS status = STATUS_SUCCESS;
1032 ULONG_PTR cookie;
1033 int i;
1034
1035 if (process_detaching) return status;
1036
1037 /* prevent infinite recursion in case of cyclical dependencies */
1038 if ( ( wm->ldr.Flags & LDR_LOAD_IN_PROGRESS )
1039 || ( wm->ldr.Flags & LDR_PROCESS_ATTACHED ) )
1040 return status;
1041
1042 TRACE("(%s,%p) - START\n", debugstr_w(wm->ldr.BaseDllName.Buffer), lpReserved );
1043
1044 /* Tag current MODREF to prevent recursive loop */
1045 wm->ldr.Flags |= LDR_LOAD_IN_PROGRESS;
1046 if (lpReserved) wm->ldr.LoadCount = -1; /* pin it if imported by the main exe */
1047 if (wm->ldr.ActivationContext) RtlActivateActivationContext( 0, wm->ldr.ActivationContext, &cookie );
1048
1049 /* Recursively attach all DLLs this one depends on */
1050 for ( i = 0; i < wm->nDeps; i++ )
1051 {
1052 if (!wm->deps[i]) continue;
1053 if ((status = process_attach( wm->deps[i], lpReserved )) != STATUS_SUCCESS) break;
1054 }
1055
1056 /* Call DLL entry point */
1057 if (status == STATUS_SUCCESS)
1058 {
1059 WINE_MODREF *prev = current_modref;
1060 current_modref = wm;
1061 status = MODULE_InitDLL( wm, DLL_PROCESS_ATTACH, lpReserved );
1062 if (status == STATUS_SUCCESS)
1063 wm->ldr.Flags |= LDR_PROCESS_ATTACHED;
1064 else
1065 {
1066 /* point to the name so LdrInitializeThunk can print it */
1067 last_failed_modref = wm;
1068 WARN("Initialization of %s failed\n", debugstr_w(wm->ldr.BaseDllName.Buffer));
1069 }
1070 current_modref = prev;
1071 }
1072
1073 if (!wm->ldr.InInitializationOrderModuleList.Flink)
1074 InsertTailList(&NtCurrentTeb()->Peb->LdrData->InInitializationOrderModuleList,
1075 &wm->ldr.InInitializationOrderModuleList);
1076
1077 if (wm->ldr.ActivationContext) RtlDeactivateActivationContext( 0, cookie );
1078 /* Remove recursion flag */
1079 wm->ldr.Flags &= ~LDR_LOAD_IN_PROGRESS;
1080
1081 TRACE("(%s,%p) - END\n", debugstr_w(wm->ldr.BaseDllName.Buffer), lpReserved );
1082 return status;
1083 }
1084
1085
1086 /**********************************************************************
1087 * attach_implicitly_loaded_dlls
1088 *
1089 * Attach to the (builtin) dlls that have been implicitly loaded because
1090 * of a dependency at the Unix level, but not imported at the Win32 level.
1091 */
1092 static void attach_implicitly_loaded_dlls( LPVOID reserved )
1093 {
1094 for (;;)
1095 {
1096 PLIST_ENTRY mark, entry;
1097
1098 mark = &NtCurrentTeb()->Peb->LdrData->InLoadOrderModuleList;
1099 for (entry = mark->Flink; entry != mark; entry = entry->Flink)
1100 {
1101 LDR_MODULE *mod = CONTAINING_RECORD(entry, LDR_MODULE, InLoadOrderModuleList);
1102
1103 if (mod->Flags & (LDR_LOAD_IN_PROGRESS | LDR_PROCESS_ATTACHED)) continue;
1104 TRACE( "found implicitly loaded %s, attaching to it\n",
1105 debugstr_w(mod->BaseDllName.Buffer));
1106 process_attach( CONTAINING_RECORD(mod, WINE_MODREF, ldr), reserved );
1107 break; /* restart the search from the start */
1108 }
1109 if (entry == mark) break; /* nothing found */
1110 }
1111 }
1112
1113
1114 /*************************************************************************
1115 * process_detach
1116 *
1117 * Send DLL process detach notifications. See the comment about calling
1118 * sequence at process_attach. Unless the bForceDetach flag
1119 * is set, only DLLs with zero refcount are notified.
1120 */
1121 static void process_detach( BOOL bForceDetach, LPVOID lpReserved )
1122 {
1123 PLIST_ENTRY mark, entry;
1124 PLDR_MODULE mod;
1125
1126 RtlEnterCriticalSection( &loader_section );
1127 if (bForceDetach) process_detaching = 1;
1128 mark = &NtCurrentTeb()->Peb->LdrData->InInitializationOrderModuleList;
1129 do
1130 {
1131 for (entry = mark->Blink; entry != mark; entry = entry->Blink)
1132 {
1133 mod = CONTAINING_RECORD(entry, LDR_MODULE,
1134 InInitializationOrderModuleList);
1135 /* Check whether to detach this DLL */
1136 if ( !(mod->Flags & LDR_PROCESS_ATTACHED) )
1137 continue;
1138 if ( mod->LoadCount && !bForceDetach )
1139 continue;
1140
1141 /* Call detach notification */
1142 mod->Flags &= ~LDR_PROCESS_ATTACHED;
1143 MODULE_InitDLL( CONTAINING_RECORD(mod, WINE_MODREF, ldr),
1144 DLL_PROCESS_DETACH, lpReserved );
1145
1146 /* Restart at head of WINE_MODREF list, as entries might have
1147 been added and/or removed while performing the call ... */
1148 break;
1149 }
1150 } while (entry != mark);
1151
1152 RtlLeaveCriticalSection( &loader_section );
1153 }
1154
1155 /*************************************************************************
1156 * MODULE_DllThreadAttach
1157 *
1158 * Send DLL thread attach notifications. These are sent in the
1159 * reverse sequence of process detach notification.
1160 *
1161 */
1162 NTSTATUS MODULE_DllThreadAttach( LPVOID lpReserved )
1163 {
1164 PLIST_ENTRY mark, entry;
1165 PLDR_MODULE mod;
1166 NTSTATUS status;
1167
1168 /* don't do any attach calls if process is exiting */
1169 if (process_detaching) return STATUS_SUCCESS;
1170 /* FIXME: there is still a race here */
1171
1172 RtlEnterCriticalSection( &loader_section );
1173
1174 if ((status = alloc_thread_tls()) != STATUS_SUCCESS) goto done;
1175
1176 mark = &NtCurrentTeb()->Peb->LdrData->InInitializationOrderModuleList;
1177 for (entry = mark->Flink; entry != mark; entry = entry->Flink)
1178 {
1179 mod = CONTAINING_RECORD(entry, LDR_MODULE,
1180 InInitializationOrderModuleList);
1181 if ( !(mod->Flags & LDR_PROCESS_ATTACHED) )
1182 continue;
1183 if ( mod->Flags & LDR_NO_DLL_CALLS )
1184 continue;
1185
1186 MODULE_InitDLL( CONTAINING_RECORD(mod, WINE_MODREF, ldr),
1187 DLL_THREAD_ATTACH, lpReserved );
1188 }
1189
1190 done:
1191 RtlLeaveCriticalSection( &loader_section );
1192 return status;
1193 }
1194
1195 /******************************************************************
1196 * LdrDisableThreadCalloutsForDll (NTDLL.@)
1197 *
1198 */
1199 NTSTATUS WINAPI LdrDisableThreadCalloutsForDll(HMODULE hModule)
1200 {
1201 WINE_MODREF *wm;
1202 NTSTATUS ret = STATUS_SUCCESS;
1203
1204 RtlEnterCriticalSection( &loader_section );
1205
1206 wm = get_modref( hModule );
1207 if (!wm || wm->ldr.TlsIndex != -1)
1208 ret = STATUS_DLL_NOT_FOUND;
1209 else
1210 wm->ldr.Flags |= LDR_NO_DLL_CALLS;
1211
1212 RtlLeaveCriticalSection( &loader_section );
1213
1214 return ret;
1215 }
1216
1217 /******************************************************************
1218 * LdrFindEntryForAddress (NTDLL.@)
1219 *
1220 * The loader_section must be locked while calling this function
1221 */
1222 NTSTATUS WINAPI LdrFindEntryForAddress(const void* addr, PLDR_MODULE* pmod)
1223 {
1224 PLIST_ENTRY mark, entry;
1225 PLDR_MODULE mod;
1226
1227 mark = &NtCurrentTeb()->Peb->LdrData->InMemoryOrderModuleList;
1228 for (entry = mark->Flink; entry != mark; entry = entry->Flink)
1229 {
1230 mod = CONTAINING_RECORD(entry, LDR_MODULE, InMemoryOrderModuleList);
1231 if ((const void *)mod->BaseAddress <= addr &&
1232 (const char *)addr < (char*)mod->BaseAddress + mod->SizeOfImage)
1233 {
1234 *pmod = mod;
1235 return STATUS_SUCCESS;
1236 }
1237 if ((const void *)mod->BaseAddress > addr) break;
1238 }
1239 return STATUS_NO_MORE_ENTRIES;
1240 }
1241
1242 /******************************************************************
1243 * LdrLockLoaderLock (NTDLL.@)
1244 *
1245 * Note: flags are not implemented.
1246 * Flag 0x01 is used to raise exceptions on errors.
1247 * Flag 0x02 is used to avoid waiting on the section (does RtlTryEnterCriticalSection instead).
1248 */
1249 NTSTATUS WINAPI LdrLockLoaderLock( ULONG flags, ULONG *result, ULONG *magic )
1250 {
1251 if (flags) FIXME( "flags %x not supported\n", flags );
1252
1253 if (result) *result = 1;
1254 if (!magic) return STATUS_INVALID_PARAMETER_3;
1255 RtlEnterCriticalSection( &loader_section );
1256 *magic = GetCurrentThreadId();
1257 return STATUS_SUCCESS;
1258 }
1259
1260
1261 /******************************************************************
1262 * LdrUnlockLoaderUnlock (NTDLL.@)
1263 */
1264 NTSTATUS WINAPI LdrUnlockLoaderLock( ULONG flags, ULONG magic )
1265 {
1266 if (magic)
1267 {
1268 if (magic != GetCurrentThreadId()) return STATUS_INVALID_PARAMETER_2;
1269 RtlLeaveCriticalSection( &loader_section );
1270 }
1271 return STATUS_SUCCESS;
1272 }
1273
1274
1275 /******************************************************************
1276 * LdrGetProcedureAddress (NTDLL.@)
1277 */
1278 NTSTATUS WINAPI LdrGetProcedureAddress(HMODULE module, const ANSI_STRING *name,
1279 ULONG ord, PVOID *address)
1280 {
1281 IMAGE_EXPORT_DIRECTORY *exports;
1282 DWORD exp_size;
1283 NTSTATUS ret = STATUS_PROCEDURE_NOT_FOUND;
1284
1285 RtlEnterCriticalSection( &loader_section );
1286
1287 /* check if the module itself is invalid to return the proper error */
1288 if (!get_modref( module )) ret = STATUS_DLL_NOT_FOUND;
1289 else if ((exports = RtlImageDirectoryEntryToData( module, TRUE,
1290 IMAGE_DIRECTORY_ENTRY_EXPORT, &exp_size )))
1291 {
1292 LPCWSTR load_path = NtCurrentTeb()->Peb->ProcessParameters->DllPath.Buffer;
1293 void *proc = name ? find_named_export( module, exports, exp_size, name->Buffer, -1, load_path )
1294 : find_ordinal_export( module, exports, exp_size, ord - exports->Base, load_path );
1295 if (proc)
1296 {
1297 *address = proc;
1298 ret = STATUS_SUCCESS;
1299 }
1300 }
1301
1302 RtlLeaveCriticalSection( &loader_section );
1303 return ret;
1304 }
1305
1306
1307 /***********************************************************************
1308 * is_fake_dll
1309 *
1310 * Check if a loaded native dll is a Wine fake dll.
1311 */
1312 static BOOL is_fake_dll( HANDLE handle )
1313 {
1314 static const char fakedll_signature[] = "Wine placeholder DLL";
1315 char buffer[sizeof(IMAGE_DOS_HEADER) + sizeof(fakedll_signature)];
1316 const IMAGE_DOS_HEADER *dos = (const IMAGE_DOS_HEADER *)buffer;
1317 IO_STATUS_BLOCK io;
1318 LARGE_INTEGER offset;
1319
1320 offset.QuadPart = 0;
1321 if (NtReadFile( handle, 0, NULL, 0, &io, buffer, sizeof(buffer), &offset, NULL )) return FALSE;
1322 if (io.Information < sizeof(buffer)) return FALSE;
1323 if (dos->e_magic != IMAGE_DOS_SIGNATURE) return FALSE;
1324 if (dos->e_lfanew >= sizeof(*dos) + sizeof(fakedll_signature) &&
1325 !memcmp( dos + 1, fakedll_signature, sizeof(fakedll_signature) )) return TRUE;
1326 return FALSE;
1327 }
1328
1329
1330 /***********************************************************************
1331 * get_builtin_fullname
1332 *
1333 * Build the full pathname for a builtin dll.
1334 */
1335 static WCHAR *get_builtin_fullname( const WCHAR *path, const char *filename )
1336 {
1337 static const WCHAR soW[] = {'.','s','o',0};
1338 WCHAR *p, *fullname;
1339 size_t i, len = strlen(filename);
1340
1341 /* check if path can correspond to the dll we have */
1342 if (path && (p = strrchrW( path, '\\' )))
1343 {
1344 p++;
1345 for (i = 0; i < len; i++)
1346 if (tolowerW(p[i]) != tolowerW( (WCHAR)filename[i]) ) break;
1347 if (i == len && (!p[len] || !strcmpiW( p + len, soW )))
1348 {
1349 /* the filename matches, use path as the full path */
1350 len += p - path;
1351 if ((fullname = RtlAllocateHeap( GetProcessHeap(), 0, (len + 1) * sizeof(WCHAR) )))
1352 {
1353 memcpy( fullname, path, len * sizeof(WCHAR) );
1354 fullname[len] = 0;
1355 }
1356 return fullname;
1357 }
1358 }
1359
1360 if ((fullname = RtlAllocateHeap( GetProcessHeap(), 0,
1361 system_dir.MaximumLength + (len + 1) * sizeof(WCHAR) )))
1362 {
1363 memcpy( fullname, system_dir.Buffer, system_dir.Length );
1364 p = fullname + system_dir.Length / sizeof(WCHAR);
1365 if (p > fullname && p[-1] != '\\') *p++ = '\\';
1366 ascii_to_unicode( p, filename, len + 1 );
1367 }
1368 return fullname;
1369 }
1370
1371
1372 /***********************************************************************
1373 * load_builtin_callback
1374 *
1375 * Load a library in memory; callback function for wine_dll_register
1376 */
1377 static void load_builtin_callback( void *module, const char *filename )
1378 {
1379 static const WCHAR emptyW[1];
1380 IMAGE_NT_HEADERS *nt;
1381 WINE_MODREF *wm;
1382 WCHAR *fullname;
1383 const WCHAR *load_path;
1384
1385 if (!module)
1386 {
1387 ERR("could not map image for %s\n", filename ? filename : "main exe" );
1388 return;
1389 }
1390 if (!(nt = RtlImageNtHeader( module )))
1391 {
1392 ERR( "bad module for %s\n", filename ? filename : "main exe" );
1393 builtin_load_info->status = STATUS_INVALID_IMAGE_FORMAT;
1394 return;
1395 }
1396 virtual_create_system_view( module, nt->OptionalHeader.SizeOfImage,
1397 VPROT_SYSTEM | VPROT_IMAGE | VPROT_COMMITTED |
1398 VPROT_READ | VPROT_WRITECOPY | VPROT_EXEC );
1399
1400 /* create the MODREF */
1401
1402 if (!(fullname = get_builtin_fullname( builtin_load_info->filename, filename )))
1403 {
1404 ERR( "can't load %s\n", filename );
1405 builtin_load_info->status = STATUS_NO_MEMORY;
1406 return;
1407 }
1408
1409 wm = alloc_module( module, fullname );
1410 RtlFreeHeap( GetProcessHeap(), 0, fullname );
1411 if (!wm)
1412 {
1413 ERR( "can't load %s\n", filename );
1414 builtin_load_info->status = STATUS_NO_MEMORY;
1415 return;
1416 }
1417 wm->ldr.Flags |= LDR_WINE_INTERNAL;
1418
1419 if (!(nt->FileHeader.Characteristics & IMAGE_FILE_DLL) &&
1420 !NtCurrentTeb()->Peb->ImageBaseAddress) /* if we already have an executable, ignore this one */
1421 {
1422 NtCurrentTeb()->Peb->ImageBaseAddress = module;
1423 }
1424 else
1425 {
1426 /* fixup imports */
1427
1428 load_path = builtin_load_info->load_path;
1429 if (!load_path) load_path = NtCurrentTeb()->Peb->ProcessParameters->DllPath.Buffer;
1430 if (!load_path) load_path = emptyW;
1431 if (fixup_imports( wm, load_path ) != STATUS_SUCCESS)
1432 {
1433 /* the module has only be inserted in the load & memory order lists */
1434 RemoveEntryList(&wm->ldr.InLoadOrderModuleList);
1435 RemoveEntryList(&wm->ldr.InMemoryOrderModuleList);
1436 /* FIXME: free the modref */
1437 builtin_load_info->status = STATUS_DLL_NOT_FOUND;
1438 return;
1439 }
1440 }
1441
1442 builtin_load_info->wm = wm;
1443 TRACE( "loaded %s %p %p\n", filename, wm, module );
1444
1445 /* send the DLL load event */
1446
1447 SERVER_START_REQ( load_dll )
1448 {
1449 req->handle = 0;
1450 req->base = module;
1451 req->size = nt->OptionalHeader.SizeOfImage;
1452 req->dbg_offset = nt->FileHeader.PointerToSymbolTable;
1453 req->dbg_size = nt->FileHeader.NumberOfSymbols;
1454 req->name = &wm->ldr.FullDllName.Buffer;
1455 wine_server_add_data( req, wm->ldr.FullDllName.Buffer, wm->ldr.FullDllName.Length );
1456 wine_server_call( req );
1457 }
1458 SERVER_END_REQ;
1459
1460 /* setup relay debugging entry points */
1461 if (TRACE_ON(relay)) RELAY_SetupDLL( module );
1462 }
1463
1464
1465 /******************************************************************************
1466 * load_native_dll (internal)
1467 */
1468 static NTSTATUS load_native_dll( LPCWSTR load_path, LPCWSTR name, HANDLE file,
1469 DWORD flags, WINE_MODREF** pwm )
1470 {
1471 void *module;
1472 HANDLE mapping;
1473 OBJECT_ATTRIBUTES attr;
1474 LARGE_INTEGER size;
1475 IMAGE_NT_HEADERS *nt;
1476 SIZE_T len = 0;
1477 WINE_MODREF *wm;
1478 NTSTATUS status;
1479
1480 TRACE("Trying native dll %s\n", debugstr_w(name));
1481
1482 attr.Length = sizeof(attr);
1483 attr.RootDirectory = 0;
1484 attr.ObjectName = NULL;
1485 attr.Attributes = 0;
1486 attr.SecurityDescriptor = NULL;
1487 attr.SecurityQualityOfService = NULL;
1488 size.QuadPart = 0;
1489
1490 status = NtCreateSection( &mapping, STANDARD_RIGHTS_REQUIRED | SECTION_QUERY | SECTION_MAP_READ,
1491 &attr, &size, PAGE_READONLY, SEC_IMAGE, file );
1492 if (status != STATUS_SUCCESS) return status;
1493
1494 module = NULL;
1495 status = NtMapViewOfSection( mapping, NtCurrentProcess(),
1496 &module, 0, 0, &size, &len, ViewShare, 0, PAGE_READONLY );
1497 NtClose( mapping );
1498 if (status != STATUS_SUCCESS) return status;
1499
1500 /* create the MODREF */
1501
1502 if (!(wm = alloc_module( module, name ))) return STATUS_NO_MEMORY;
1503
1504 /* fixup imports */
1505
1506 if (!(flags & DONT_RESOLVE_DLL_REFERENCES))
1507 {
1508 if ((status = fixup_imports( wm, load_path )) != STATUS_SUCCESS)
1509 {
1510 /* the module has only be inserted in the load & memory order lists */
1511 RemoveEntryList(&wm->ldr.InLoadOrderModuleList);
1512 RemoveEntryList(&wm->ldr.InMemoryOrderModuleList);
1513
1514 /* FIXME: there are several more dangling references
1515 * left. Including dlls loaded by this dll before the
1516 * failed one. Unrolling is rather difficult with the
1517 * current structure and we can leave them lying
1518 * around with no problems, so we don't care.
1519 * As these might reference our wm, we don't free it.
1520 */
1521 return status;
1522 }
1523 }
1524
1525 /* send DLL load event */
1526
1527 nt = RtlImageNtHeader( module );
1528
1529 SERVER_START_REQ( load_dll )
1530 {
1531 req->handle = wine_server_obj_handle( file );
1532 req->base = module;
1533 req->size = nt->OptionalHeader.SizeOfImage;
1534 req->dbg_offset = nt->FileHeader.PointerToSymbolTable;
1535 req->dbg_size = nt->FileHeader.NumberOfSymbols;
1536 req->name = &wm->ldr.FullDllName.Buffer;
1537 wine_server_add_data( req, wm->ldr.FullDllName.Buffer, wm->ldr.FullDllName.Length );
1538 wine_server_call( req );
1539 }
1540 SERVER_END_REQ;
1541
1542 if ((wm->ldr.Flags & LDR_IMAGE_IS_DLL) && TRACE_ON(snoop)) SNOOP_SetupDLL( module );
1543
1544 TRACE_(loaddll)( "Loaded %s at %p: native\n", debugstr_w(wm->ldr.FullDllName.Buffer), module );
1545
1546 wm->ldr.LoadCount = 1;
1547 *pwm = wm;
1548 return STATUS_SUCCESS;
1549 }
1550
1551
1552 /***********************************************************************
1553 * load_builtin_dll
1554 */
1555 static NTSTATUS load_builtin_dll( LPCWSTR load_path, LPCWSTR path, HANDLE file,
1556 DWORD flags, WINE_MODREF** pwm )
1557 {
1558 char error[256], dllname[MAX_PATH];
1559 const WCHAR *name, *p;
1560 DWORD len, i;
1561 void *handle = NULL;
1562 struct builtin_load_info info, *prev_info;
1563
1564 /* Fix the name in case we have a full path and extension */
1565 name = path;
1566 if ((p = strrchrW( name, '\\' ))) name = p + 1;
1567 if ((p = strrchrW( name, '/' ))) name = p + 1;
1568
1569 /* load_library will modify info.status. Note also that load_library can be
1570 * called several times, if the .so file we're loading has dependencies.
1571 * info.status will gather all the errors we may get while loading all these
1572 * libraries
1573 */
1574 info.load_path = load_path;
1575 info.filename = NULL;
1576 info.status = STATUS_SUCCESS;
1577 info.wm = NULL;
1578
1579 if (file) /* we have a real file, try to load it */
1580 {
1581 UNICODE_STRING nt_name;
1582 ANSI_STRING unix_name;
1583
1584 TRACE("Trying built-in %s\n", debugstr_w(path));
1585
1586 if (!RtlDosPathNameToNtPathName_U( path, &nt_name, NULL, NULL ))
1587 return STATUS_DLL_NOT_FOUND;
1588
1589 if (wine_nt_to_unix_file_name( &nt_name, &unix_name, FILE_OPEN, FALSE ))
1590 {
1591 RtlFreeUnicodeString( &nt_name );
1592 return STATUS_DLL_NOT_FOUND;
1593 }
1594 prev_info = builtin_load_info;
1595 info.filename = nt_name.Buffer + 4; /* skip \??\ */
1596 builtin_load_info = &info;
1597 handle = wine_dlopen( unix_name.Buffer, RTLD_NOW, error, sizeof(error) );
1598 builtin_load_info = prev_info;
1599 RtlFreeUnicodeString( &nt_name );
1600 RtlFreeHeap( GetProcessHeap(), 0, unix_name.Buffer );
1601 if (!handle)
1602 {
1603 WARN( "failed to load .so lib for builtin %s: %s\n", debugstr_w(path), error );
1604 return STATUS_INVALID_IMAGE_FORMAT;
1605 }
1606 }
1607 else
1608 {
1609 int file_exists;
1610
1611 TRACE("Trying built-in %s\n", debugstr_w(name));
1612
1613 /* we don't want to depend on the current codepage here */
1614 len = strlenW( name ) + 1;
1615 if (len >= sizeof(dllname)) return STATUS_NAME_TOO_LONG;
1616 for (i = 0; i < len; i++)
1617 {
1618 if (name[i] > 127) return STATUS_DLL_NOT_FOUND;
1619 dllname[i] = (char)name[i];
1620 if (dllname[i] >= 'A' && dllname[i] <= 'Z') dllname[i] += 'a' - 'A';
1621 }
1622
1623 prev_info = builtin_load_info;
1624 builtin_load_info = &info;
1625 handle = wine_dll_load( dllname, error, sizeof(error), &file_exists );
1626 builtin_load_info = prev_info;
1627 if (!handle)
1628 {
1629 if (!file_exists)
1630 {
1631 /* The file does not exist -> WARN() */
1632 WARN("cannot open .so lib for builtin %s: %s\n", debugstr_w(name), error);
1633 return STATUS_DLL_NOT_FOUND;
1634 }
1635 /* ERR() for all other errors (missing functions, ...) */
1636 ERR("failed to load .so lib for builtin %s: %s\n", debugstr_w(name), error );
1637 return STATUS_PROCEDURE_NOT_FOUND;
1638 }
1639 }
1640
1641 if (info.status != STATUS_SUCCESS)
1642 {
1643 wine_dll_unload( handle );
1644 return info.status;
1645 }
1646
1647 if (!info.wm)
1648 {
1649 PLIST_ENTRY mark, entry;
1650
1651 /* The constructor wasn't called, this means the .so is already
1652 * loaded under a different name. Try to find the wm for it. */
1653
1654 mark = &NtCurrentTeb()->Peb->LdrData->InLoadOrderModuleList;
1655 for (entry = mark->Flink; entry != mark; entry = entry->Flink)
1656 {
1657 LDR_MODULE *mod = CONTAINING_RECORD(entry, LDR_MODULE, InLoadOrderModuleList);
1658 if (mod->Flags & LDR_WINE_INTERNAL && mod->SectionHandle == handle)
1659 {
1660 info.wm = CONTAINING_RECORD(mod, WINE_MODREF, ldr);
1661 TRACE( "Found %s at %p for builtin %s\n",
1662 debugstr_w(info.wm->ldr.FullDllName.Buffer), info.wm->ldr.BaseAddress, debugstr_w(path) );
1663 break;
1664 }
1665 }
1666 wine_dll_unload( handle ); /* release the libdl refcount */
1667 if (!info.wm) return STATUS_INVALID_IMAGE_FORMAT;
1668 if (info.wm->ldr.LoadCount != -1) info.wm->ldr.LoadCount++;
1669 }
1670 else
1671 {
1672 TRACE_(loaddll)( "Loaded %s at %p: builtin\n", debugstr_w(info.wm->ldr.FullDllName.Buffer), info.wm->ldr.BaseAddress );
1673 info.wm->ldr.LoadCount = 1;
1674 info.wm->ldr.SectionHandle = handle;
1675 }
1676
1677 *pwm = info.wm;
1678 return STATUS_SUCCESS;
1679 }
1680
1681
1682 /***********************************************************************
1683 * find_actctx_dll
1684 *
1685 * Find the full path (if any) of the dll from the activation context.
1686 */
1687 static NTSTATUS find_actctx_dll( LPCWSTR libname, LPWSTR *fullname )
1688 {
1689 static const WCHAR winsxsW[] = {'\\','w','i','n','s','x','s','\\'};
1690 static const WCHAR dotManifestW[] = {'.','m','a','n','i','f','e','s','t',0};
1691
1692 ACTIVATION_CONTEXT_ASSEMBLY_DETAILED_INFORMATION *info;
1693 ACTCTX_SECTION_KEYED_DATA data;
1694 UNICODE_STRING nameW;
1695 NTSTATUS status;
1696 SIZE_T needed, size = 1024;
1697 WCHAR *p;
1698
1699 RtlInitUnicodeString( &nameW, libname );
1700 data.cbSize = sizeof(data);
1701 status = RtlFindActivationContextSectionString( FIND_ACTCTX_SECTION_KEY_RETURN_HACTCTX, NULL,
1702 ACTIVATION_CONTEXT_SECTION_DLL_REDIRECTION,
1703 &nameW, &data );
1704 if (status != STATUS_SUCCESS) return status;
1705
1706 for (;;)
1707 {
1708 if (!(info = RtlAllocateHeap( GetProcessHeap(), 0, size )))
1709 {
1710 status = STATUS_NO_MEMORY;
1711 goto done;
1712 }
1713 status = RtlQueryInformationActivationContext( 0, data.hActCtx, &data.ulAssemblyRosterIndex,
1714 AssemblyDetailedInformationInActivationContext,
1715 info, size, &needed );
1716 if (status == STATUS_SUCCESS) break;
1717 if (status != STATUS_BUFFER_TOO_SMALL) goto done;
1718 RtlFreeHeap( GetProcessHeap(), 0, info );
1719 size = needed;
1720 /* restart with larger buffer */
1721 }
1722
1723 if ((p = strrchrW( info->lpAssemblyManifestPath, '\\' )))
1724 {
1725 DWORD dirlen = info->ulAssemblyDirectoryNameLength / sizeof(WCHAR);
1726
1727 p++;
1728 if (strncmpiW( p, info->lpAssemblyDirectoryName, dirlen ) || strcmpiW( p + dirlen, dotManifestW ))
1729 {
1730 /* manifest name does not match directory name, so it's not a global
1731 * windows/winsxs manifest; use the manifest directory name instead */
1732 dirlen = p - info->lpAssemblyManifestPath;
1733 needed = (dirlen + 1) * sizeof(WCHAR) + nameW.Length;
1734 if (!(*fullname = p = RtlAllocateHeap( GetProcessHeap(), 0, needed )))
1735 {
1736 status = STATUS_NO_MEMORY;
1737 goto done;
1738 }
1739 memcpy( p, info->lpAssemblyManifestPath, dirlen * sizeof(WCHAR) );
1740 p += dirlen;
1741 strcpyW( p, libname );
1742 goto done;
1743 }
1744 }
1745
1746 needed = (windows_dir.Length + sizeof(winsxsW) + info->ulAssemblyDirectoryNameLength +
1747 nameW.Length + 2*sizeof(WCHAR));
1748
1749 if (!(*fullname = p = RtlAllocateHeap( GetProcessHeap(), 0, needed )))
1750 {
1751 status = STATUS_NO_MEMORY;
1752 goto done;
1753 }
1754 memcpy( p, windows_dir.Buffer, windows_dir.Length );
1755 p += windows_dir.Length / sizeof(WCHAR);
1756 memcpy( p, winsxsW, sizeof(winsxsW) );
1757 p += sizeof(winsxsW) / sizeof(WCHAR);
1758 memcpy( p, info->lpAssemblyDirectoryName, info->ulAssemblyDirectoryNameLength );
1759 p += info->ulAssemblyDirectoryNameLength / sizeof(WCHAR);
1760 *p++ = '\\';
1761 strcpyW( p, libname );
1762 done:
1763 RtlFreeHeap( GetProcessHeap(), 0, info );
1764 RtlReleaseActivationContext( data.hActCtx );
1765 return status;
1766 }
1767
1768
1769 /***********************************************************************
1770 * find_dll_file
1771 *
1772 * Find the file (or already loaded module) for a given dll name.
1773 */
1774 static NTSTATUS find_dll_file( const WCHAR *load_path, const WCHAR *libname,
1775 WCHAR *filename, ULONG *size, WINE_MODREF **pwm, HANDLE *handle )
1776 {
1777 OBJECT_ATTRIBUTES attr;
1778 IO_STATUS_BLOCK io;
1779 UNICODE_STRING nt_name;
1780 WCHAR *file_part, *ext, *dllname;
1781 ULONG len;
1782
1783 /* first append .dll if needed */
1784
1785 dllname = NULL;
1786 if (!(ext = strrchrW( libname, '.')) || strchrW( ext, '/' ) || strchrW( ext, '\\'))
1787 {
1788 if (!(dllname = RtlAllocateHeap( GetProcessHeap(), 0,
1789 (strlenW(libname) * sizeof(WCHAR)) + sizeof(dllW) )))
1790 return STATUS_NO_MEMORY;
1791 strcpyW( dllname, libname );
1792 strcatW( dllname, dllW );
1793 libname = dllname;
1794 }
1795
1796 nt_name.Buffer = NULL;
1797
1798 if (!contains_path( libname ))
1799 {
1800 NTSTATUS status;
1801 WCHAR *fullname = NULL;
1802
1803 if ((*pwm = find_basename_module( libname )) != NULL) goto found;
1804
1805 status = find_actctx_dll( libname, &fullname );
1806 if (status == STATUS_SUCCESS)
1807 {
1808 TRACE ("found %s for %s\n", debugstr_w(fullname), debugstr_w(libname) );
1809 RtlFreeHeap( GetProcessHeap(), 0, dllname );
1810 libname = dllname = fullname;
1811 }
1812 else if (status != STATUS_SXS_KEY_NOT_FOUND)
1813 {
1814 RtlFreeHeap( GetProcessHeap(), 0, dllname );
1815 return status;
1816 }
1817 }
1818
1819 if (RtlDetermineDosPathNameType_U( libname ) == RELATIVE_PATH)
1820 {
1821 /* we need to search for it */
1822 len = RtlDosSearchPath_U( load_path, libname, NULL, *size, filename, &file_part );
1823 if (len)
1824 {
1825 if (len >= *size) goto overflow;
1826 if ((*pwm = find_fullname_module( filename )) || !handle) goto found;
1827
1828 if (!RtlDosPathNameToNtPathName_U( filename, &nt_name, NULL, NULL ))
1829 {
1830 RtlFreeHeap( GetProcessHeap(), 0, dllname );
1831 return STATUS_NO_MEMORY;
1832 }
1833 attr.Length = sizeof(attr);
1834 attr.RootDirectory = 0;
1835 attr.Attributes = OBJ_CASE_INSENSITIVE;
1836 attr.ObjectName = &nt_name;
1837 attr.SecurityDescriptor = NULL;
1838 attr.SecurityQualityOfService = NULL;
1839 if (NtOpenFile( handle, GENERIC_READ, &attr, &io, FILE_SHARE_READ|FILE_SHARE_DELETE, 0 )) *handle = 0;
1840 goto found;
1841 }
1842
1843 /* not found */
1844
1845 if (!contains_path( libname ))
1846 {
1847 /* if libname doesn't contain a path at all, we simply return the name as is,
1848 * to be loaded as builtin */
1849 len = strlenW(libname) * sizeof(WCHAR);
1850 if (len >= *size) goto overflow;
1851 strcpyW( filename, libname );
1852 goto found;
1853 }
1854 }
1855
1856 /* absolute path name, or relative path name but not found above */
1857
1858 if (!RtlDosPathNameToNtPathName_U( libname, &nt_name, &file_part, NULL ))
1859 {
1860 RtlFreeHeap( GetProcessHeap(), 0, dllname );
1861 return STATUS_NO_MEMORY;
1862 }
1863 len = nt_name.Length - 4*sizeof(WCHAR); /* for \??\ prefix */
1864 if (len >= *size) goto overflow;
1865 memcpy( filename, nt_name.Buffer + 4, len + sizeof(WCHAR) );
1866 if (!(*pwm = find_fullname_module( filename )) && handle)
1867 {
1868 attr.Length = sizeof(attr);
1869 attr.RootDirectory = 0;
1870 attr.Attributes = OBJ_CASE_INSENSITIVE;
1871 attr.ObjectName = &nt_name;
1872 attr.SecurityDescriptor = NULL;
1873 attr.SecurityQualityOfService = NULL;
1874 if (NtOpenFile( handle, GENERIC_READ, &attr, &io, FILE_SHARE_READ|FILE_SHARE_DELETE, 0 )) *handle = 0;
1875 }
1876 found:
1877 RtlFreeUnicodeString( &nt_name );
1878 RtlFreeHeap( GetProcessHeap(), 0, dllname );
1879 return STATUS_SUCCESS;
1880
1881 overflow:
1882 RtlFreeUnicodeString( &nt_name );
1883 RtlFreeHeap( GetProcessHeap(), 0, dllname );
1884 *size = len + sizeof(WCHAR);
1885 return STATUS_BUFFER_TOO_SMALL;
1886 }
1887
1888
1889 /***********************************************************************
1890 * load_dll (internal)
1891 *
1892 * Load a PE style module according to the load order.
1893 * The loader_section must be locked while calling this function.
1894 */
1895 static NTSTATUS load_dll( LPCWSTR load_path, LPCWSTR libname, DWORD flags, WINE_MODREF** pwm )
1896 {
1897 enum loadorder loadorder;
1898 WCHAR buffer[32];
1899 WCHAR *filename;
1900 ULONG size;
1901 WINE_MODREF *main_exe;
1902 HANDLE handle = 0;
1903 NTSTATUS nts;
1904
1905 TRACE( "looking for %s in %s\n", debugstr_w(libname), debugstr_w(load_path) );
1906
1907 *pwm = NULL;
1908 filename = buffer;
1909 size = sizeof(buffer);
1910 for (;;)
1911 {
1912 nts = find_dll_file( load_path, libname, filename, &size, pwm, &handle );
1913 if (nts == STATUS_SUCCESS) break;
1914 if (filename != buffer) RtlFreeHeap( GetProcessHeap(), 0, filename );
1915 if (nts != STATUS_BUFFER_TOO_SMALL) return nts;
1916 /* grow the buffer and retry */
1917 if (!(filename = RtlAllocateHeap( GetProcessHeap(), 0, size ))) return STATUS_NO_MEMORY;
1918 }
1919
1920 if (*pwm) /* found already loaded module */
1921 {
1922 if ((*pwm)->ldr.LoadCount != -1) (*pwm)->ldr.LoadCount++;
1923
1924 if (!(flags & DONT_RESOLVE_DLL_REFERENCES)) fixup_imports( *pwm, load_path );
1925
1926 TRACE("Found %s for %s at %p, count=%d\n",
1927 debugstr_w((*pwm)->ldr.FullDllName.Buffer), debugstr_w(libname),
1928 (*pwm)->ldr.BaseAddress, (*pwm)->ldr.LoadCount);
1929 if (filename != buffer) RtlFreeHeap( GetProcessHeap(), 0, filename );
1930 return STATUS_SUCCESS;
1931 }
1932
1933 main_exe = get_modref( NtCurrentTeb()->Peb->ImageBaseAddress );
1934 loadorder = get_load_order( main_exe ? main_exe->ldr.BaseDllName.Buffer : NULL, filename );
1935
1936 if (handle && is_fake_dll( handle ))
1937 {
1938 TRACE( "%s is a fake Wine dll\n", debugstr_w(filename) );
1939 NtClose( handle );
1940 handle = 0;
1941 }
1942
1943 switch(loadorder)
1944 {
1945 case LO_INVALID:
1946 nts = STATUS_NO_MEMORY;
1947 break;
1948 case LO_DISABLED:
1949 nts = STATUS_DLL_NOT_FOUND;
1950 break;
1951 case LO_NATIVE:
1952 case LO_NATIVE_BUILTIN:
1953 if (!handle) nts = STATUS_DLL_NOT_FOUND;
1954 else
1955 {
1956 nts = load_native_dll( load_path, filename, handle, flags, pwm );
1957 if (nts == STATUS_INVALID_FILE_FOR_SECTION)
1958 /* not in PE format, maybe it's a builtin */
1959 nts = load_builtin_dll( load_path, filename, handle, flags, pwm );
1960 }
1961 if (nts == STATUS_DLL_NOT_FOUND && loadorder == LO_NATIVE_BUILTIN)
1962 nts = load_builtin_dll( load_path, filename, 0, flags, pwm );
1963 break;
1964 case LO_BUILTIN:
1965 case LO_BUILTIN_NATIVE:
1966 case LO_DEFAULT: /* default is builtin,native */
1967 nts = load_builtin_dll( load_path, filename, handle, flags, pwm );
1968 if (!handle) break; /* nothing else we can try */
1969 /* file is not a builtin library, try without using the specified file */
1970 if (nts != STATUS_SUCCESS)
1971 nts = load_builtin_dll( load_path, filename, 0, flags, pwm );
1972 if (nts == STATUS_SUCCESS && loadorder == LO_DEFAULT &&
1973 (MODULE_InitDLL( *pwm, DLL_WINE_PREATTACH, NULL ) != STATUS_SUCCESS))
1974 {
1975 /* stub-only dll, try native */
1976 TRACE( "%s pre-attach returned FALSE, preferring native\n", debugstr_w(filename) );
1977 LdrUnloadDll( (*pwm)->ldr.BaseAddress );
1978 nts = STATUS_DLL_NOT_FOUND;
1979 }
1980 if (nts == STATUS_DLL_NOT_FOUND && loadorder != LO_BUILTIN)
1981 nts = load_native_dll( load_path, filename, handle, flags, pwm );
1982 break;
1983 }
1984
1985 if (nts == STATUS_SUCCESS)
1986 {
1987 /* Initialize DLL just loaded */
1988 TRACE("Loaded module %s (%s) at %p\n", debugstr_w(filename),
1989 ((*pwm)->ldr.Flags & LDR_WINE_INTERNAL) ? "builtin" : "native",
1990 (*pwm)->ldr.BaseAddress);
1991 if (handle) NtClose( handle );
1992 if (filename != buffer) RtlFreeHeap( GetProcessHeap(), 0, filename );
1993 return nts;
1994 }
1995
1996 WARN("Failed to load module %s; status=%x\n", debugstr_w(libname), nts);
1997 if (handle) NtClose( handle );
1998 if (filename != buffer) RtlFreeHeap( GetProcessHeap(), 0, filename );
1999 return nts;
2000 }
2001
2002 /******************************************************************
2003 * LdrLoadDll (NTDLL.@)
2004 */
2005 NTSTATUS WINAPI LdrLoadDll(LPCWSTR path_name, DWORD flags,
2006 const UNICODE_STRING *libname, HMODULE* hModule)
2007 {
2008 WINE_MODREF *wm;
2009 NTSTATUS nts;
2010
2011 RtlEnterCriticalSection( &loader_section );
2012
2013 if (!path_name) path_name = NtCurrentTeb()->Peb->ProcessParameters->DllPath.Buffer;
2014 nts = load_dll( path_name, libname->Buffer, flags, &wm );
2015
2016 if (nts == STATUS_SUCCESS && !(wm->ldr.Flags & LDR_DONT_RESOLVE_REFS))
2017 {
2018 nts = process_attach( wm, NULL );
2019 if (nts != STATUS_SUCCESS)
2020 {
2021 LdrUnloadDll(wm->ldr.BaseAddress);
2022 wm = NULL;
2023 }
2024 }
2025 *hModule = (wm) ? wm->ldr.BaseAddress : NULL;
2026
2027 RtlLeaveCriticalSection( &loader_section );
2028 return nts;
2029 }
2030
2031
2032 /******************************************************************
2033 * LdrGetDllHandle (NTDLL.@)
2034 */
2035 NTSTATUS WINAPI LdrGetDllHandle( LPCWSTR load_path, ULONG flags, const UNICODE_STRING *name, HMODULE *base )
2036 {
2037 NTSTATUS status;
2038 WCHAR buffer[128];
2039 WCHAR *filename;
2040 ULONG size;
2041 WINE_MODREF *wm;
2042
2043 RtlEnterCriticalSection( &loader_section );
2044
2045 if (!load_path) load_path = NtCurrentTeb()->Peb->ProcessParameters->DllPath.Buffer;
2046
2047 filename = buffer;
2048 size = sizeof(buffer);
2049 for (;;)
2050 {
2051 status = find_dll_file( load_path, name->Buffer, filename, &size, &wm, NULL );
2052 if (filename != buffer) RtlFreeHeap( GetProcessHeap(), 0, filename );
2053 if (status != STATUS_BUFFER_TOO_SMALL) break;
2054 /* grow the buffer and retry */
2055 if (!(filename = RtlAllocateHeap( GetProcessHeap(), 0, size )))
2056 {
2057 status = STATUS_NO_MEMORY;
2058 break;
2059 }
2060 }
2061
2062 if (status == STATUS_SUCCESS)
2063 {
2064 if (wm) *base = wm->ldr.BaseAddress;
2065 else status = STATUS_DLL_NOT_FOUND;
2066 }
2067
2068 RtlLeaveCriticalSection( &loader_section );
2069 TRACE( "%s -> %p (load path %s)\n", debugstr_us(name), status ? NULL : *base, debugstr_w(load_path) );
2070 return status;
2071 }
2072
2073
2074 /******************************************************************
2075 * LdrAddRefDll (NTDLL.@)
2076 */
2077 NTSTATUS WINAPI LdrAddRefDll( ULONG flags, HMODULE module )
2078 {
2079 NTSTATUS ret = STATUS_SUCCESS;
2080 WINE_MODREF *wm;
2081
2082 if (flags) FIXME( "%p flags %x not implemented\n", module, flags );
2083
2084 RtlEnterCriticalSection( &loader_section );
2085
2086 if ((wm = get_modref( module )))
2087 {
2088 if (wm->ldr.LoadCount != -1) wm->ldr.LoadCount++;
2089 TRACE( "(%s) ldr.LoadCount: %d\n", debugstr_w(wm->ldr.BaseDllName.Buffer), wm->ldr.LoadCount );
2090 }
2091 else ret = STATUS_INVALID_PARAMETER;
2092
2093 RtlLeaveCriticalSection( &loader_section );
2094 return ret;
2095 }
2096
2097
2098 /***********************************************************************
2099 * LdrProcessRelocationBlock (NTDLL.@)
2100 *
2101 * Apply relocations to a given page of a mapped PE image.
2102 */
2103 IMAGE_BASE_RELOCATION * WINAPI LdrProcessRelocationBlock( void *page, UINT count,
2104 USHORT *relocs, INT delta )
2105 {
2106 while (count--)
2107 {
2108 USHORT offset = *relocs & 0xfff;
2109 int type = *relocs >> 12;
2110 switch(type)
2111 {
2112 case IMAGE_REL_BASED_ABSOLUTE:
2113 break;
2114 case IMAGE_REL_BASED_HIGH:
2115 *(short *)((char *)page + offset) += HIWORD(delta);
2116 break;
2117 case IMAGE_REL_BASED_LOW:
2118 *(short *)((char *)page + offset) += LOWORD(delta);
2119 break;
2120 case IMAGE_REL_BASED_HIGHLOW:
2121 *(int *)((char *)page + offset) += delta;
2122 break;
2123 default:
2124 FIXME("Unknown/unsupported fixup type %x.\n", type);
2125 return NULL;
2126 }
2127 relocs++;
2128 }
2129 return (IMAGE_BASE_RELOCATION *)relocs; /* return address of next block */
2130 }
2131
2132
2133 /******************************************************************
2134 * LdrQueryProcessModuleInformation
2135 *
2136 */
2137 NTSTATUS WINAPI LdrQueryProcessModuleInformation(PSYSTEM_MODULE_INFORMATION smi,
2138 ULONG buf_size, ULONG* req_size)
2139 {
2140 SYSTEM_MODULE* sm = &smi->Modules[0];
2141 ULONG size = sizeof(ULONG);
2142 NTSTATUS nts = STATUS_SUCCESS;
2143 ANSI_STRING str;
2144 char* ptr;
2145 PLIST_ENTRY mark, entry;
2146 PLDR_MODULE mod;
2147 WORD id = 0;
2148
2149 smi->ModulesCount = 0;
2150
2151 RtlEnterCriticalSection( &loader_section );
2152 mark = &NtCurrentTeb()->Peb->LdrData->InLoadOrderModuleList;
2153 for (entry = mark->Flink; entry != mark; entry = entry->Flink)
2154 {
2155 mod = CONTAINING_RECORD(entry, LDR_MODULE, InLoadOrderModuleList);
2156 size += sizeof(*sm);
2157 if (size <= buf_size)
2158 {
2159 sm->Reserved1 = 0; /* FIXME */
2160 sm->Reserved2 = 0; /* FIXME */
2161 sm->ImageBaseAddress = mod->BaseAddress;
2162 sm->ImageSize = mod->SizeOfImage;
2163 sm->Flags = mod->Flags;
2164 sm->Id = id++;
2165 sm->Rank = 0; /* FIXME */
2166 sm->Unknown = 0; /* FIXME */
2167 str.Length = 0;
2168 str.MaximumLength = MAXIMUM_FILENAME_LENGTH;
2169 str.Buffer = (char*)sm->Name;
2170 RtlUnicodeStringToAnsiString(&str, &mod->FullDllName, FALSE);
2171 ptr = strrchr(str.Buffer, '\\');
2172 sm->NameOffset = (ptr != NULL) ? (ptr - str.Buffer + 1) : 0;
2173
2174 smi->ModulesCount++;
2175 sm++;
2176 }
2177 else nts = STATUS_INFO_LENGTH_MISMATCH;
2178 }
2179 RtlLeaveCriticalSection( &loader_section );
2180
2181 if (req_size) *req_size = size;
2182
2183 return nts;
2184 }
2185
2186
2187 /******************************************************************
2188 * RtlDllShutdownInProgress (NTDLL.@)
2189 */
2190 BOOLEAN WINAPI RtlDllShutdownInProgress(void)
2191 {
2192 return process_detaching;
2193 }
2194
2195
2196 /******************************************************************
2197 * LdrShutdownProcess (NTDLL.@)
2198 *
2199 */
2200 void WINAPI LdrShutdownProcess(void)
2201 {
2202 TRACE("()\n");
2203 process_detach( TRUE, (LPVOID)1 );
2204 }
2205
2206 /******************************************************************
2207 * LdrShutdownThread (NTDLL.@)
2208 *
2209 */
2210 void WINAPI LdrShutdownThread(void)
2211 {
2212 PLIST_ENTRY mark, entry;
2213 PLDR_MODULE mod;
2214
2215 TRACE("()\n");
2216
2217 /* don't do any detach calls if process is exiting */
2218 if (process_detaching) return;
2219 /* FIXME: there is still a race here */
2220
2221 RtlEnterCriticalSection( &loader_section );
2222
2223 mark = &NtCurrentTeb()->Peb->LdrData->InInitializationOrderModuleList;
2224 for (entry = mark->Blink; entry != mark; entry = entry->Blink)
2225 {
2226 mod = CONTAINING_RECORD(entry, LDR_MODULE,
2227 InInitializationOrderModuleList);
2228 if ( !(mod->Flags & LDR_PROCESS_ATTACHED) )
2229 continue;
2230 if ( mod->Flags & LDR_NO_DLL_CALLS )
2231 continue;
2232
2233 MODULE_InitDLL( CONTAINING_RECORD(mod, WINE_MODREF, ldr),
2234 DLL_THREAD_DETACH, NULL );
2235 }
2236
2237 RtlLeaveCriticalSection( &loader_section );
2238 RtlFreeHeap( GetProcessHeap(), 0, NtCurrentTeb()->ThreadLocalStoragePointer );
2239 }
2240
2241
2242 /***********************************************************************
2243 * free_modref
2244 *
2245 */
2246 static void free_modref( WINE_MODREF *wm )
2247 {
2248 RemoveEntryList(&wm->ldr.InLoadOrderModuleList);
2249 RemoveEntryList(&wm->ldr.InMemoryOrderModuleList);
2250 if (wm->ldr.InInitializationOrderModuleList.Flink)
2251 RemoveEntryList(&wm->ldr.InInitializationOrderModuleList);
2252
2253 TRACE(" unloading %s\n", debugstr_w(wm->ldr.FullDllName.Buffer));
2254 if (!TRACE_ON(module))
2255 TRACE_(loaddll)("Unloaded module %s : %s\n",
2256 debugstr_w(wm->ldr.FullDllName.Buffer),
2257 (wm->ldr.Flags & LDR_WINE_INTERNAL) ? "builtin" : "native" );
2258
2259 SERVER_START_REQ( unload_dll )
2260 {
2261 req->base = wm->ldr.BaseAddress;
2262 wine_server_call( req );
2263 }
2264 SERVER_END_REQ;
2265
2266 RtlReleaseActivationContext( wm->ldr.ActivationContext );
2267 NtUnmapViewOfSection( NtCurrentProcess(), wm->ldr.BaseAddress );
2268 if (wm->ldr.Flags & LDR_WINE_INTERNAL) wine_dll_unload( wm->ldr.SectionHandle );
2269 if (cached_modref == wm) cached_modref = NULL;
2270 RtlFreeUnicodeString( &wm->ldr.FullDllName );
2271 RtlFreeHeap( GetProcessHeap(), 0, wm->deps );
2272 RtlFreeHeap( GetProcessHeap(), 0, wm );
2273 }
2274
2275 /***********************************************************************
2276 * MODULE_FlushModrefs
2277 *
2278 * Remove all unused modrefs and call the internal unloading routines
2279 * for the library type.
2280 *
2281 * The loader_section must be locked while calling this function.
2282 */
2283 static void MODULE_FlushModrefs(void)
2284 {
2285 PLIST_ENTRY mark, entry, prev;
2286 PLDR_MODULE mod;
2287 WINE_MODREF*wm;
2288
2289 mark = &NtCurrentTeb()->Peb->LdrData->InInitializationOrderModuleList;
2290 for (entry = mark->Blink; entry != mark; entry = prev)
2291 {
2292 mod = CONTAINING_RECORD(entry, LDR_MODULE, InInitializationOrderModuleList);
2293 wm = CONTAINING_RECORD(mod, WINE_MODREF, ldr);
2294 prev = entry->Blink;
2295 if (!mod->LoadCount) free_modref( wm );
2296 }
2297
2298 /* check load order list too for modules that haven't been initialized yet */
2299 mark = &NtCurrentTeb()->Peb->LdrData->InLoadOrderModuleList;
2300 for (entry = mark->Blink; entry != mark; entry = prev)
2301 {
2302 mod = CONTAINING_RECORD(entry, LDR_MODULE, InLoadOrderModuleList);
2303 wm = CONTAINING_RECORD(mod, WINE_MODREF, ldr);
2304 prev = entry->Blink;
2305 if (!mod->LoadCount) free_modref( wm );
2306 }
2307 }
2308
2309 /***********************************************************************
2310 * MODULE_DecRefCount
2311 *
2312 * The loader_section must be locked while calling this function.
2313 */
2314 static void MODULE_DecRefCount( WINE_MODREF *wm )
2315 {
2316 int i;
2317
2318 if ( wm->ldr.Flags & LDR_UNLOAD_IN_PROGRESS )
2319 return;
2320
2321 if ( wm->ldr.LoadCount <= 0 )
2322 return;
2323
2324 --wm->ldr.LoadCount;
2325 TRACE("(%s) ldr.LoadCount: %d\n", debugstr_w(wm->ldr.BaseDllName.Buffer), wm->ldr.LoadCount );
2326
2327 if ( wm->ldr.LoadCount == 0 )
2328 {
2329 wm->ldr.Flags |= LDR_UNLOAD_IN_PROGRESS;
2330
2331 for ( i = 0; i < wm->nDeps; i++ )
2332 if ( wm->deps[i] )
2333 MODULE_DecRefCount( wm->deps[i] );
2334
2335 wm->ldr.Flags &= ~LDR_UNLOAD_IN_PROGRESS;
2336 }
2337 }
2338
2339 /******************************************************************
2340 * LdrUnloadDll (NTDLL.@)
2341 *
2342 *
2343 */
2344 NTSTATUS WINAPI LdrUnloadDll( HMODULE hModule )
2345 {
2346 NTSTATUS retv = STATUS_SUCCESS;
2347
2348 TRACE("(%p)\n", hModule);
2349
2350 RtlEnterCriticalSection( &loader_section );
2351
2352 /* if we're stopping the whole process (and forcing the removal of all
2353 * DLLs) the library will be freed anyway
2354 */
2355 if (!process_detaching)
2356 {
2357 WINE_MODREF *wm;
2358
2359 free_lib_count++;
2360 if ((wm = get_modref( hModule )) != NULL)
2361 {
2362 TRACE("(%s) - START\n", debugstr_w(wm->ldr.BaseDllName.Buffer));
2363
2364 /* Recursively decrement reference counts */
2365 MODULE_DecRefCount( wm );
2366
2367 /* Call process detach notifications */
2368 if ( free_lib_count <= 1 )
2369 {
2370 process_detach( FALSE, NULL );
2371 MODULE_FlushModrefs();
2372 }
2373
2374 TRACE("END\n");
2375 }
2376 else
2377 retv = STATUS_DLL_NOT_FOUND;
2378
2379 free_lib_count--;
2380 }
2381
2382 RtlLeaveCriticalSection( &loader_section );
2383
2384 return retv;
2385 }
2386
2387 /***********************************************************************
2388 * RtlImageNtHeader (NTDLL.@)
2389 */
2390 PIMAGE_NT_HEADERS WINAPI RtlImageNtHeader(HMODULE hModule)
2391 {
2392 IMAGE_NT_HEADERS *ret;
2393
2394 __TRY
2395 {
2396 IMAGE_DOS_HEADER *dos = (IMAGE_DOS_HEADER *)hModule;
2397
2398 ret = NULL;
2399 if (dos->e_magic == IMAGE_DOS_SIGNATURE)
2400 {
2401 ret = (IMAGE_NT_HEADERS *)((char *)dos + dos->e_lfanew);
2402 if (ret->Signature != IMAGE_NT_SIGNATURE) ret = NULL;
2403 }
2404 }
2405 __EXCEPT_PAGE_FAULT
2406 {
2407 return NULL;
2408 }
2409 __ENDTRY
2410 return ret;
2411 }
2412
2413
2414 /***********************************************************************
2415 * attach_process_dlls
2416 *
2417 * Initial attach to all the dlls loaded by the process.
2418 */
2419 static NTSTATUS attach_process_dlls( void *wm )
2420 {
2421 NTSTATUS status;
2422
2423 pthread_functions.sigprocmask( SIG_UNBLOCK, &server_block_set, NULL );
2424
2425 RtlEnterCriticalSection( &loader_section );
2426 if ((status = process_attach( wm, (LPVOID)1 )) != STATUS_SUCCESS)
2427 {
2428 if (last_failed_modref)
2429 ERR( "%s failed to initialize, aborting\n",
2430 debugstr_w(last_failed_modref->ldr.BaseDllName.Buffer) + 1 );
2431 return status;
2432 }
2433 attach_implicitly_loaded_dlls( (LPVOID)1 );
2434 RtlLeaveCriticalSection( &loader_section );
2435 return status;
2436 }
2437
2438
2439 /******************************************************************
2440 * LdrInitializeThunk (NTDLL.@)
2441 *
2442 */
2443 void WINAPI LdrInitializeThunk( ULONG unknown1, ULONG unknown2, ULONG unknown3, ULONG unknown4 )
2444 {
2445 NTSTATUS status;
2446 WINE_MODREF *wm;
2447 LPCWSTR load_path;
2448 SIZE_T stack_size;
2449 PEB *peb = NtCurrentTeb()->Peb;
2450 IMAGE_NT_HEADERS *nt = RtlImageNtHeader( peb->ImageBaseAddress );
2451
2452 if (main_exe_file) NtClose( main_exe_file ); /* at this point the main module is created */
2453
2454 /* allocate the modref for the main exe (if not already done) */
2455 wm = get_modref( peb->ImageBaseAddress );
2456 assert( wm );
2457 if (wm->ldr.Flags & LDR_IMAGE_IS_DLL)
2458 {
2459 ERR("%s is a dll, not an executable\n", debugstr_w(wm->ldr.FullDllName.Buffer) );
2460 exit(1);
2461 }
2462
2463 peb->LoaderLock = &loader_section;
2464 peb->ProcessParameters->ImagePathName = wm->ldr.FullDllName;
2465 version_init( wm->ldr.FullDllName.Buffer );
2466
2467 /* the main exe needs to be the first in the load order list */
2468 RemoveEntryList( &wm->ldr.InLoadOrderModuleList );
2469 InsertHeadList( &peb->LdrData->InLoadOrderModuleList, &wm->ldr.InLoadOrderModuleList );
2470
2471 stack_size = max( nt->OptionalHeader.SizeOfStackReserve, nt->OptionalHeader.SizeOfStackCommit );
2472 if (stack_size < 1024 * 1024) stack_size = 1024 * 1024; /* Xlib needs a large stack */
2473
2474 if ((status = virtual_alloc_thread_stack( NULL, stack_size )) != STATUS_SUCCESS) goto error;
2475 if ((status = server_init_process_done()) != STATUS_SUCCESS) goto error;
2476
2477 actctx_init();
2478 load_path = NtCurrentTeb()->Peb->ProcessParameters->DllPath.Buffer;
2479 if ((status = fixup_imports( wm, load_path )) != STATUS_SUCCESS) goto error;
2480 if ((status = alloc_process_tls()) != STATUS_SUCCESS) goto error;
2481 if ((status = alloc_thread_tls()) != STATUS_SUCCESS) goto error;
2482 if (nt->FileHeader.Characteristics & IMAGE_FILE_LARGE_ADDRESS_AWARE) VIRTUAL_UseLargeAddressSpace();
2483
2484 status = wine_call_on_stack( attach_process_dlls, wm, NtCurrentTeb()->Tib.StackBase );
2485 if (status != STATUS_SUCCESS) goto error;
2486
2487 virtual_clear_thread_stack();
2488 return;
2489
2490 error:
2491 ERR( "Main exe initialization for %s failed, status %x\n",
2492 debugstr_w(peb->ProcessParameters->ImagePathName.Buffer), status );
2493 NtTerminateProcess( GetCurrentProcess(), status );
2494 }
2495
2496
2497 /***********************************************************************
2498 * RtlImageDirectoryEntryToData (NTDLL.@)
2499 */
2500 PVOID WINAPI RtlImageDirectoryEntryToData( HMODULE module, BOOL image, WORD dir, ULONG *size )
2501 {
2502 const IMAGE_NT_HEADERS *nt;
2503 DWORD addr;
2504
2505 if ((ULONG_PTR)module & 1) /* mapped as data file */
2506 {
2507 module = (HMODULE)((ULONG_PTR)module & ~1);
2508 image = FALSE;
2509 }
2510 if (!(nt = RtlImageNtHeader( module ))) return NULL;
2511 if (dir >= nt->OptionalHeader.NumberOfRvaAndSizes) return NULL;
2512 if (!(addr = nt->OptionalHeader.DataDirectory[dir].VirtualAddress)) return NULL;
2513 *size = nt->OptionalHeader.DataDirectory[dir].Size;
2514 if (image || addr < nt->OptionalHeader.SizeOfHeaders) return (char *)module + addr;
2515
2516 /* not mapped as image, need to find the section containing the virtual address */
2517 return RtlImageRvaToVa( nt, module, addr, NULL );
2518 }
2519
2520
2521 /***********************************************************************
2522 * RtlImageRvaToSection (NTDLL.@)
2523 */
2524 PIMAGE_SECTION_HEADER WINAPI RtlImageRvaToSection( const IMAGE_NT_HEADERS *nt,
2525 HMODULE module, DWORD rva )
2526 {
2527 int i;
2528 const IMAGE_SECTION_HEADER *sec;
2529
2530 sec = (const IMAGE_SECTION_HEADER*)((const char*)&nt->OptionalHeader +
2531 nt->FileHeader.SizeOfOptionalHeader);
2532 for (i = 0; i < nt->FileHeader.NumberOfSections; i++, sec++)
2533 {
2534 if ((sec->VirtualAddress <= rva) && (sec->VirtualAddress + sec->SizeOfRawData > rva))
2535 return (PIMAGE_SECTION_HEADER)sec;
2536 }
2537 return NULL;
2538 }
2539
2540
2541 /***********************************************************************
2542 * RtlImageRvaToVa (NTDLL.@)
2543 */
2544 PVOID WINAPI RtlImageRvaToVa( const IMAGE_NT_HEADERS *nt, HMODULE module,
2545 DWORD rva, IMAGE_SECTION_HEADER **section )
2546 {
2547 IMAGE_SECTION_HEADER *sec;
2548
2549 if (section && *section) /* try this section first */
2550 {
2551 sec = *section;
2552 if ((sec->VirtualAddress <= rva) && (sec->VirtualAddress + sec->SizeOfRawData > rva))
2553 goto found;
2554 }
2555 if (!(sec = RtlImageRvaToSection( nt, module, rva ))) return NULL;
2556 found:
2557 if (section) *section = sec;
2558 return (char *)module + sec->PointerToRawData + (rva - sec->VirtualAddress);
2559 }
2560
2561
2562 /***********************************************************************
2563 * RtlPcToFileHeader (NTDLL.@)
2564 */
2565 PVOID WINAPI RtlPcToFileHeader( PVOID pc, PVOID *address )
2566 {
2567 LDR_MODULE *module;
2568 PVOID ret = NULL;
2569
2570 RtlEnterCriticalSection( &loader_section );
2571 if (!LdrFindEntryForAddress( pc, &module )) ret = module->BaseAddress;
2572 RtlLeaveCriticalSection( &loader_section );
2573 *address = ret;
2574 return ret;
2575 }
2576
2577
2578 /***********************************************************************
2579 * NtLoadDriver (NTDLL.@)
2580 * ZwLoadDriver (NTDLL.@)
2581 */
2582 NTSTATUS WINAPI NtLoadDriver( const UNICODE_STRING *DriverServiceName )
2583 {
2584 FIXME("(%p), stub!\n",DriverServiceName);
2585 return STATUS_NOT_IMPLEMENTED;
2586 }
2587
2588
2589 /***********************************************************************
2590 * NtUnloadDriver (NTDLL.@)
2591 * ZwUnloadDriver (NTDLL.@)
2592 */
2593 NTSTATUS WINAPI NtUnloadDriver( const UNICODE_STRING *DriverServiceName )
2594 {
2595 FIXME("(%p), stub!\n",DriverServiceName);
2596 return STATUS_NOT_IMPLEMENTED;
2597 }
2598
2599
2600 /******************************************************************
2601 * DllMain (NTDLL.@)
2602 */
2603 BOOL WINAPI DllMain( HINSTANCE inst, DWORD reason, LPVOID reserved )
2604 {
2605 if (reason == DLL_PROCESS_ATTACH) LdrDisableThreadCalloutsForDll( inst );
2606 return TRUE;
2607 }
2608
2609
2610 /******************************************************************
2611 * __wine_init_windows_dir (NTDLL.@)
2612 *
2613 * Windows and system dir initialization once kernel32 has been loaded.
2614 */
2615 void CDECL __wine_init_windows_dir( const WCHAR *windir, const WCHAR *sysdir )
2616 {
2617 PLIST_ENTRY mark, entry;
2618 LPWSTR buffer, p;
2619
2620 RtlCreateUnicodeString( &windows_dir, windir );
2621 RtlCreateUnicodeString( &system_dir, sysdir );
2622 strcpyW( user_shared_data->NtSystemRoot, windir );
2623
2624 /* prepend the system dir to the name of the already created modules */
2625 mark = &NtCurrentTeb()->Peb->LdrData->InLoadOrderModuleList;
2626 for (entry = mark->Flink; entry != mark; entry = entry->Flink)
2627 {
2628 LDR_MODULE *mod = CONTAINING_RECORD( entry, LDR_MODULE, InLoadOrderModuleList );
2629
2630 assert( mod->Flags & LDR_WINE_INTERNAL );
2631
2632 buffer = RtlAllocateHeap( GetProcessHeap(), 0,
2633 system_dir.Length + mod->FullDllName.Length + 2*sizeof(WCHAR) );
2634 if (!buffer) continue;
2635 strcpyW( buffer, system_dir.Buffer );
2636 p = buffer + strlenW( buffer );
2637 if (p > buffer && p[-1] != '\\') *p++ = '\\';
2638 strcpyW( p, mod->FullDllName.Buffer );
2639 RtlInitUnicodeString( &mod->FullDllName, buffer );
2640 RtlInitUnicodeString( &mod->BaseDllName, p );
2641 }
2642 }
2643
2644
2645 /***********************************************************************
2646 * __wine_process_init
2647 */
2648 void __wine_process_init(void)
2649 {
2650 static const WCHAR kernel32W[] = {'k','e','r','n','e','l','3','2','.','d','l','l',0};
2651
2652 WINE_MODREF *wm;
2653 NTSTATUS status;
2654 ANSI_STRING func_name;
2655 void (* DECLSPEC_NORETURN CDECL init_func)(void);
2656 extern mode_t FILE_umask;
2657
2658 main_exe_file = thread_init();
2659
2660 /* retrieve current umask */
2661 FILE_umask = umask(0777);
2662 umask( FILE_umask );
2663
2664 /* setup the load callback and create ntdll modref */
2665 wine_dll_set_callback( load_builtin_callback );
2666
2667 if ((status = load_builtin_dll( NULL, kernel32W, 0, 0, &wm )) != STATUS_SUCCESS)
2668 {
2669 MESSAGE( "wine: could not load kernel32.dll, status %x\n", status );
2670 exit(1);
2671 }
2672 RtlInitAnsiString( &func_name, "UnhandledExceptionFilter" );
2673 LdrGetProcedureAddress( wm->ldr.BaseAddress, &func_name, 0, (void **)&unhandled_exception_filter );
2674
2675 RtlInitAnsiString( &func_name, "__wine_kernel_init" );
2676 if ((status = LdrGetProcedureAddress( wm->ldr.BaseAddress, &func_name,
2677 0, (void **)&init_func )) != STATUS_SUCCESS)
2678 {
2679 MESSAGE( "wine: could not find __wine_kernel_init in kernel32.dll, status %x\n", status );
2680 exit(1);
2681 }
2682 init_func();
2683 }