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Bump corlib version since fe3372f4231106669ab93e2d23a51fb07cb7b639 makes a breaking...
[mono-project/dkf.git] / mono / metadata / appdomain.c
blob0474ccf303a1f8febf5fb4b875804896ea4a71f7
1 /*
2 * appdomain.c: AppDomain functions
3 *
4 * Authors:
5 * Dietmar Maurer (dietmar@ximian.com)
6 * Patrik Torstensson
7 * Gonzalo Paniagua Javier (gonzalo@ximian.com)
8 *
9 * Copyright 2001-2003 Ximian, Inc (http://www.ximian.com)
10 * Copyright 2004-2009 Novell, Inc (http://www.novell.com)
11 */
12 #undef ASSEMBLY_LOAD_DEBUG
13 #include <config.h>
14 #include <glib.h>
15 #include <string.h>
16 #include <errno.h>
17 #include <sys/types.h>
18 #include <sys/stat.h>
19 #ifdef HAVE_SYS_TIME_H
20 #include <sys/time.h>
21 #endif
22 #ifdef HAVE_UNISTD_H
23 #include <unistd.h>
24 #endif
25 #ifdef HAVE_UTIME_H
26 #include <utime.h>
27 #else
28 #ifdef HAVE_SYS_UTIME_H
29 #include <sys/utime.h>
30 #endif
31 #endif
32
33 #include <mono/metadata/gc-internal.h>
34 #include <mono/metadata/object.h>
35 #include <mono/metadata/domain-internals.h>
36 #include "mono/metadata/metadata-internals.h"
37 #include <mono/metadata/assembly.h>
38 #include <mono/metadata/exception.h>
39 #include <mono/metadata/threads.h>
40 #include <mono/metadata/socket-io.h>
41 #include <mono/metadata/tabledefs.h>
42 #include <mono/metadata/gc-internal.h>
43 #include <mono/metadata/mono-gc.h>
44 #include <mono/metadata/marshal.h>
45 #include <mono/metadata/monitor.h>
46 #include <mono/metadata/threadpool.h>
47 #include <mono/metadata/mono-debug.h>
48 #include <mono/metadata/mono-debug-debugger.h>
49 #include <mono/metadata/attach.h>
50 #include <mono/metadata/file-io.h>
51 #include <mono/metadata/lock-tracer.h>
52 #include <mono/metadata/console-io.h>
53 #include <mono/metadata/threads-types.h>
54 #include <mono/metadata/tokentype.h>
55 #include <mono/utils/mono-uri.h>
56 #include <mono/utils/mono-logger-internal.h>
57 #include <mono/utils/mono-path.h>
58 #include <mono/utils/mono-stdlib.h>
59 #include <mono/utils/mono-io-portability.h>
60 #include <mono/utils/mono-error-internals.h>
61 #ifdef HOST_WIN32
62 #include <direct.h>
63 #endif
64
65 /*
66 * This is the version number of the corlib-runtime interface. When
67 * making changes to this interface (by changing the layout
68 * of classes the runtime knows about, changing icall signature or
69 * semantics etc), increment this variable. Also increment the
70 * pair of this variable in mscorlib in:
71 * mcs/class/mscorlib/System/Environment.cs
72 *
73 * Changes which are already detected at runtime, like the addition
74 * of icalls, do not require an increment.
75 */
76 #define MONO_CORLIB_VERSION 97
77
78 typedef struct
79 {
80 int runtime_count;
81 int assemblybinding_count;
82 MonoDomain *domain;
83 gchar *filename;
84 } RuntimeConfig;
85
86 CRITICAL_SECTION mono_delegate_section;
87
88 CRITICAL_SECTION mono_strtod_mutex;
89
90 static gunichar2 process_guid [36];
91 static gboolean process_guid_set = FALSE;
92
93 static gboolean shutting_down = FALSE;
94
95 static gboolean no_exec = FALSE;
96
97 static MonoAssembly *
98 mono_domain_assembly_preload (MonoAssemblyName *aname,
99 gchar **assemblies_path,
100 gpointer user_data);
101
102 static MonoAssembly *
103 mono_domain_assembly_search (MonoAssemblyName *aname,
104 gpointer user_data);
105
106 static MonoAssembly *
107 mono_domain_assembly_postload_search (MonoAssemblyName *aname,
108 gpointer user_data);
109
110 static void
111 mono_domain_fire_assembly_load (MonoAssembly *assembly, gpointer user_data);
112
113 static void
114 add_assemblies_to_domain (MonoDomain *domain, MonoAssembly *ass, GHashTable *hash);
115
116 static MonoAppDomain *
117 mono_domain_create_appdomain_internal (char *friendly_name, MonoAppDomainSetup *setup);
118
119 static char *
120 get_shadow_assembly_location_base (MonoDomain *domain, MonoError *error);
121
122 static MonoLoadFunc load_function = NULL;
123
124 void
125 mono_install_runtime_load (MonoLoadFunc func)
126 {
127 load_function = func;
128 }
129
130 MonoDomain*
131 mono_runtime_load (const char *filename, const char *runtime_version)
132 {
133 g_assert (load_function);
134 return load_function (filename, runtime_version);
135 }
136
137 /**
138 * mono_runtime_set_no_exec:
139 *
140 * Instructs the runtime to operate in static mode, i.e. avoid/do not
141 * allow managed code execution. This is useful for running the AOT
142 * compiler on platforms which allow full-aot execution only. This
143 * should be called before mono_runtime_init ().
144 */
145 void
146 mono_runtime_set_no_exec (gboolean val)
147 {
148 no_exec = val;
149 }
150
151 /**
152 * mono_runtime_get_no_exec:
153 *
154 * If true, then the runtime will not allow managed code execution.
155 */
156 gboolean
157 mono_runtime_get_no_exec (void)
158 {
159 return no_exec;
160 }
161
162 static void
163 create_domain_objects (MonoDomain *domain)
164 {
165 MonoDomain *old_domain = mono_domain_get ();
166 MonoString *arg;
167
168 if (domain != old_domain) {
169 mono_thread_push_appdomain_ref (domain);
170 mono_domain_set_internal_with_options (domain, FALSE);
171 }
172
173 /*
174 * Create an instance early since we can't do it when there is no memory.
175 */
176 arg = mono_string_new (domain, "Out of memory");
177 domain->out_of_memory_ex = mono_exception_from_name_two_strings (mono_defaults.corlib, "System", "OutOfMemoryException", arg, NULL);
178
179 /*
180 * These two are needed because the signal handlers might be executing on
181 * an alternate stack, and Boehm GC can't handle that.
182 */
183 arg = mono_string_new (domain, "A null value was found where an object instance was required");
184 domain->null_reference_ex = mono_exception_from_name_two_strings (mono_defaults.corlib, "System", "NullReferenceException", arg, NULL);
185 arg = mono_string_new (domain, "The requested operation caused a stack overflow.");
186 domain->stack_overflow_ex = mono_exception_from_name_two_strings (mono_defaults.corlib, "System", "StackOverflowException", arg, NULL);
187
188 /*The ephemeron tombstone i*/
189 domain->ephemeron_tombstone = mono_object_new (domain, mono_defaults.object_class);
190
191 if (domain != old_domain) {
192 mono_thread_pop_appdomain_ref ();
193 mono_domain_set_internal_with_options (old_domain, FALSE);
194 }
195
196 /*
197 * This class is used during exception handling, so initialize it here, to prevent
198 * stack overflows while handling stack overflows.
199 */
200 mono_class_init (mono_array_class_get (mono_defaults.int_class, 1));
201 }
202
203 /**
204 * mono_runtime_init:
205 * @domain: domain returned by mono_init ()
206 *
207 * Initialize the core AppDomain: this function will run also some
208 * IL initialization code, so it needs the execution engine to be fully
209 * operational.
210 *
211 * AppDomain.SetupInformation is set up in mono_runtime_exec_main, where
212 * we know the entry_assembly.
213 *
214 */
215 void
216 mono_runtime_init (MonoDomain *domain, MonoThreadStartCB start_cb,
217 MonoThreadAttachCB attach_cb)
218 {
219 MonoAppDomainSetup *setup;
220 MonoAppDomain *ad;
221 MonoClass *class;
222
223 mono_portability_helpers_init ();
224
225 mono_gc_base_init ();
226 mono_monitor_init ();
227 mono_thread_pool_init ();
228 mono_marshal_init ();
229
230 mono_install_assembly_preload_hook (mono_domain_assembly_preload, GUINT_TO_POINTER (FALSE));
231 mono_install_assembly_refonly_preload_hook (mono_domain_assembly_preload, GUINT_TO_POINTER (TRUE));
232 mono_install_assembly_search_hook (mono_domain_assembly_search, GUINT_TO_POINTER (FALSE));
233 mono_install_assembly_refonly_search_hook (mono_domain_assembly_search, GUINT_TO_POINTER (TRUE));
234 mono_install_assembly_postload_search_hook (mono_domain_assembly_postload_search, GUINT_TO_POINTER (FALSE));
235 mono_install_assembly_postload_refonly_search_hook (mono_domain_assembly_postload_search, GUINT_TO_POINTER (TRUE));
236 mono_install_assembly_load_hook (mono_domain_fire_assembly_load, NULL);
237 mono_install_lookup_dynamic_token (mono_reflection_lookup_dynamic_token);
238
239 mono_thread_init (start_cb, attach_cb);
240
241 class = mono_class_from_name (mono_defaults.corlib, "System", "AppDomainSetup");
242 setup = (MonoAppDomainSetup *) mono_object_new (domain, class);
243
244 class = mono_class_from_name (mono_defaults.corlib, "System", "AppDomain");
245 ad = (MonoAppDomain *) mono_object_new (domain, class);
246 ad->data = domain;
247 domain->domain = ad;
248 domain->setup = setup;
249
250 InitializeCriticalSection (&mono_delegate_section);
251
252 InitializeCriticalSection (&mono_strtod_mutex);
253
254 mono_thread_attach (domain);
255 mono_context_init (domain);
256 mono_context_set (domain->default_context);
257
258 mono_type_initialization_init ();
259
260 if (!mono_runtime_get_no_exec ())
261 create_domain_objects (domain);
262
263 /* GC init has to happen after thread init */
264 mono_gc_init ();
265
266 #ifndef DISABLE_SOCKETS
267 mono_network_init ();
268 #endif
269
270 mono_console_init ();
271 mono_attach_init ();
272
273 mono_locks_tracer_init ();
274
275 /* mscorlib is loaded before we install the load hook */
276 mono_domain_fire_assembly_load (mono_defaults.corlib->assembly, NULL);
277
278 return;
279 }
280
281 static int
282 mono_get_corlib_version (void)
283 {
284 MonoClass *klass;
285 MonoClassField *field;
286 MonoObject *value;
287
288 klass = mono_class_from_name (mono_defaults.corlib, "System", "Environment");
289 mono_class_init (klass);
290 field = mono_class_get_field_from_name (klass, "mono_corlib_version");
291 if (!field)
292 return -1;
293 if (! (field->type->attrs & FIELD_ATTRIBUTE_STATIC))
294 return -1;
295 value = mono_field_get_value_object (mono_domain_get (), field, NULL);
296 return *(gint32*)((gchar*)value + sizeof (MonoObject));
297 }
298
299 /**
300 * mono_check_corlib_version
301 *
302 * Checks that the corlib that is loaded matches the version of this runtime.
303 *
304 * Returns: NULL if the runtime will work with the corlib, or a g_malloc
305 * allocated string with the error otherwise.
306 */
307 const char*
308 mono_check_corlib_version (void)
309 {
310 int version = mono_get_corlib_version ();
311 if (version != MONO_CORLIB_VERSION)
312 return g_strdup_printf ("expected corlib version %d, found %d.", MONO_CORLIB_VERSION, version);
313 else
314 return NULL;
315 }
316
317 /**
318 * mono_context_init:
319 * @domain: The domain where the System.Runtime.Remoting.Context.Context is initialized
320 *
321 * Initializes the @domain's default System.Runtime.Remoting's Context.
322 */
323 void
324 mono_context_init (MonoDomain *domain)
325 {
326 MonoClass *class;
327 MonoAppContext *context;
328
329 class = mono_class_from_name (mono_defaults.corlib, "System.Runtime.Remoting.Contexts", "Context");
330 context = (MonoAppContext *) mono_object_new (domain, class);
331 context->domain_id = domain->domain_id;
332 context->context_id = 0;
333 domain->default_context = context;
334 }
335
336 /**
337 * mono_runtime_cleanup:
338 * @domain: unused.
339 *
340 * Internal routine.
341 *
342 * This must not be called while there are still running threads executing
343 * managed code.
344 */
345 void
346 mono_runtime_cleanup (MonoDomain *domain)
347 {
348 shutting_down = TRUE;
349
350 mono_attach_cleanup ();
351
352 /* This ends up calling any pending pending (for at most 2 seconds) */
353 mono_gc_cleanup ();
354
355 mono_thread_cleanup ();
356
357 #ifndef DISABLE_SOCKETS
358 mono_network_cleanup ();
359 #endif
360 mono_marshal_cleanup ();
361
362 mono_type_initialization_cleanup ();
363
364 mono_monitor_cleanup ();
365 }
366
367 static MonoDomainFunc quit_function = NULL;
368
369 void
370 mono_install_runtime_cleanup (MonoDomainFunc func)
371 {
372 quit_function = func;
373 }
374
375 void
376 mono_runtime_quit ()
377 {
378 if (quit_function != NULL)
379 quit_function (mono_get_root_domain (), NULL);
380 }
381
382 /**
383 * mono_runtime_set_shutting_down:
384 *
385 * Invoked by System.Environment.Exit to flag that the runtime
386 * is shutting down.
387 */
388 void
389 mono_runtime_set_shutting_down (void)
390 {
391 shutting_down = TRUE;
392 }
393
394 /**
395 * mono_runtime_is_shutting_down:
396 *
397 * Returns whether the runtime has been flagged for shutdown.
398 *
399 * This is consumed by the P:System.Environment.HasShutdownStarted
400 * property.
401 *
402 */
403 gboolean
404 mono_runtime_is_shutting_down (void)
405 {
406 return shutting_down;
407 }
408
409 /**
410 * mono_domain_create_appdomain:
411 * @friendly_name: The friendly name of the appdomain to create
412 * @configuration_file: The configuration file to initialize the appdomain with
413 *
414 * Returns a MonoDomain initialized with the appdomain
415 */
416 MonoDomain *
417 mono_domain_create_appdomain (char *friendly_name, char *configuration_file)
418 {
419 MonoAppDomain *ad;
420 MonoAppDomainSetup *setup;
421 MonoClass *class;
422
423 class = mono_class_from_name (mono_defaults.corlib, "System", "AppDomainSetup");
424 setup = (MonoAppDomainSetup *) mono_object_new (mono_domain_get (), class);
425 setup->configuration_file = configuration_file != NULL ? mono_string_new (mono_domain_get (), configuration_file) : NULL;
426
427 ad = mono_domain_create_appdomain_internal (friendly_name, setup);
428
429 return mono_domain_from_appdomain (ad);
430 }
431
432 static MonoAppDomainSetup*
433 copy_app_domain_setup (MonoDomain *domain, MonoAppDomainSetup *setup)
434 {
435 MonoDomain *caller_domain = mono_domain_get ();
436 MonoClass *ads_class = mono_class_from_name (mono_defaults.corlib, "System", "AppDomainSetup");
437 MonoAppDomainSetup *copy = (MonoAppDomainSetup*)mono_object_new (domain, ads_class);
438
439 mono_domain_set_internal (domain);
440
441 MONO_OBJECT_SETREF (copy, application_base, mono_marshal_xdomain_copy_value ((MonoObject*)setup->application_base));
442 MONO_OBJECT_SETREF (copy, application_name, mono_marshal_xdomain_copy_value ((MonoObject*)setup->application_name));
443 MONO_OBJECT_SETREF (copy, cache_path, mono_marshal_xdomain_copy_value ((MonoObject*)setup->cache_path));
444 MONO_OBJECT_SETREF (copy, configuration_file, mono_marshal_xdomain_copy_value ((MonoObject*)setup->configuration_file));
445 MONO_OBJECT_SETREF (copy, dynamic_base, mono_marshal_xdomain_copy_value ((MonoObject*)setup->dynamic_base));
446 MONO_OBJECT_SETREF (copy, license_file, mono_marshal_xdomain_copy_value ((MonoObject*)setup->license_file));
447 MONO_OBJECT_SETREF (copy, private_bin_path, mono_marshal_xdomain_copy_value ((MonoObject*)setup->private_bin_path));
448 MONO_OBJECT_SETREF (copy, private_bin_path_probe, mono_marshal_xdomain_copy_value ((MonoObject*)setup->private_bin_path_probe));
449 MONO_OBJECT_SETREF (copy, shadow_copy_directories, mono_marshal_xdomain_copy_value ((MonoObject*)setup->shadow_copy_directories));
450 MONO_OBJECT_SETREF (copy, shadow_copy_files, mono_marshal_xdomain_copy_value ((MonoObject*)setup->shadow_copy_files));
451 copy->publisher_policy = setup->publisher_policy;
452 copy->path_changed = setup->path_changed;
453 copy->loader_optimization = setup->loader_optimization;
454 copy->disallow_binding_redirects = setup->disallow_binding_redirects;
455 copy->disallow_code_downloads = setup->disallow_code_downloads;
456 MONO_OBJECT_SETREF (copy, domain_initializer_args, mono_marshal_xdomain_copy_value ((MonoObject*)setup->domain_initializer_args));
457 copy->disallow_appbase_probe = setup->disallow_appbase_probe;
458 MONO_OBJECT_SETREF (copy, application_trust, mono_marshal_xdomain_copy_value ((MonoObject*)setup->application_trust));
459 MONO_OBJECT_SETREF (copy, configuration_bytes, mono_marshal_xdomain_copy_value ((MonoObject*)setup->configuration_bytes));
460 MONO_OBJECT_SETREF (copy, serialized_non_primitives, mono_marshal_xdomain_copy_value ((MonoObject*)setup->serialized_non_primitives));
461
462 mono_domain_set_internal (caller_domain);
463
464 return copy;
465 }
466
467 static MonoAppDomain *
468 mono_domain_create_appdomain_internal (char *friendly_name, MonoAppDomainSetup *setup)
469 {
470 MonoError error;
471 MonoClass *adclass;
472 MonoAppDomain *ad;
473 MonoDomain *data;
474 char *shadow_location;
475
476 MONO_ARCH_SAVE_REGS;
477
478 adclass = mono_class_from_name (mono_defaults.corlib, "System", "AppDomain");
479
480 /* FIXME: pin all those objects */
481 data = mono_domain_create();
482
483 ad = (MonoAppDomain *) mono_object_new (data, adclass);
484 ad->data = data;
485 data->domain = ad;
486 data->friendly_name = g_strdup (friendly_name);
487
488 if (!setup->application_base) {
489 /* Inherit from the root domain since MS.NET does this */
490 MonoDomain *root = mono_get_root_domain ();
491 if (root->setup->application_base)
492 MONO_OBJECT_SETREF (setup, application_base, mono_string_new_utf16 (data, mono_string_chars (root->setup->application_base), mono_string_length (root->setup->application_base)));
493 }
494
495 mono_context_init (data);
496
497 data->setup = copy_app_domain_setup (data, setup);
498 mono_set_private_bin_path_from_config (data);
499 add_assemblies_to_domain (data, mono_defaults.corlib->assembly, NULL);
500
501 #ifndef DISABLE_SHADOW_COPY
502 /*FIXME, guard this for when the debugger is not running */
503 shadow_location = get_shadow_assembly_location_base (data, &error);
504 if (!mono_error_ok (&error))
505 mono_error_raise_exception (&error);
506 mono_debugger_event_create_appdomain (data, shadow_location);
507 g_free (shadow_location);
508 #endif
509
510 create_domain_objects (data);
511
512 return ad;
513 }
514
515 /**
516 * mono_domain_has_type_resolve:
517 * @domain: application domains being looked up
518 *
519 * Returns true if the AppDomain.TypeResolve field has been
520 * set.
521 */
522 gboolean
523 mono_domain_has_type_resolve (MonoDomain *domain)
524 {
525 static MonoClassField *field = NULL;
526 MonoObject *o;
527
528 if (field == NULL) {
529 field = mono_class_get_field_from_name (mono_defaults.appdomain_class, "TypeResolve");
530 g_assert (field);
531 }
532
533 /*pedump doesn't create an appdomin, so the domain object doesn't exist.*/
534 if (!domain->domain)
535 return FALSE;
536
537 mono_field_get_value ((MonoObject*)(domain->domain), field, &o);
538 return o != NULL;
539 }
540
541 /**
542 * mono_domain_try_type_resolve:
543 * @domain: application domainwhere the name where the type is going to be resolved
544 * @name: the name of the type to resolve or NULL.
545 * @tb: A System.Reflection.Emit.TypeBuilder, used if name is NULL.
546 *
547 * This routine invokes the internal System.AppDomain.DoTypeResolve and returns
548 * the assembly that matches name.
549 *
550 * If @name is null, the value of ((TypeBuilder)tb).FullName is used instead
551 *
552 * Returns: A MonoReflectionAssembly or NULL if not found
553 */
554 MonoReflectionAssembly *
555 mono_domain_try_type_resolve (MonoDomain *domain, char *name, MonoObject *tb)
556 {
557 MonoClass *klass;
558 void *params [1];
559 static MonoMethod *method = NULL;
560
561 g_assert (domain != NULL && ((name != NULL) || (tb != NULL)));
562
563 if (method == NULL) {
564 klass = domain->domain->mbr.obj.vtable->klass;
565 g_assert (klass);
566
567 method = mono_class_get_method_from_name (klass, "DoTypeResolve", -1);
568 if (method == NULL) {
569 g_warning ("Method AppDomain.DoTypeResolve not found.\n");
570 return NULL;
571 }
572 }
573
574 if (name)
575 *params = (MonoObject*)mono_string_new (mono_domain_get (), name);
576 else
577 *params = tb;
578 return (MonoReflectionAssembly *) mono_runtime_invoke (method, domain->domain, params, NULL);
579 }
580
581 /**
582 * mono_domain_owns_vtable_slot:
583 *
584 * Returns whenever VTABLE_SLOT is inside a vtable which belongs to DOMAIN.
585 */
586 gboolean
587 mono_domain_owns_vtable_slot (MonoDomain *domain, gpointer vtable_slot)
588 {
589 gboolean res;
590
591 mono_domain_lock (domain);
592 res = mono_mempool_contains_addr (domain->mp, vtable_slot);
593 mono_domain_unlock (domain);
594 return res;
595 }
596
597 /**
598 * mono_domain_set:
599 * @domain: domain
600 * @force: force setting.
601 *
602 * Set the current appdomain to @domain. If @force is set, set it even
603 * if it is being unloaded.
604 *
605 * Returns:
606 * TRUE on success;
607 * FALSE if the domain is unloaded
608 */
609 gboolean
610 mono_domain_set (MonoDomain *domain, gboolean force)
611 {
612 if (!force && domain->state == MONO_APPDOMAIN_UNLOADED)
613 return FALSE;
614
615 mono_domain_set_internal (domain);
616
617 return TRUE;
618 }
619
620 MonoObject *
621 ves_icall_System_AppDomain_GetData (MonoAppDomain *ad, MonoString *name)
622 {
623 MonoDomain *add;
624 MonoObject *o;
625 char *str;
626
627 MONO_ARCH_SAVE_REGS;
628
629 g_assert (ad != NULL);
630 add = ad->data;
631 g_assert (add != NULL);
632
633 if (name == NULL)
634 mono_raise_exception (mono_get_exception_argument_null ("name"));
635
636 str = mono_string_to_utf8 (name);
637
638 mono_domain_lock (add);
639
640 if (!strcmp (str, "APPBASE"))
641 o = (MonoObject *)add->setup->application_base;
642 else if (!strcmp (str, "APP_CONFIG_FILE"))
643 o = (MonoObject *)add->setup->configuration_file;
644 else if (!strcmp (str, "DYNAMIC_BASE"))
645 o = (MonoObject *)add->setup->dynamic_base;
646 else if (!strcmp (str, "APP_NAME"))
647 o = (MonoObject *)add->setup->application_name;
648 else if (!strcmp (str, "CACHE_BASE"))
649 o = (MonoObject *)add->setup->cache_path;
650 else if (!strcmp (str, "PRIVATE_BINPATH"))
651 o = (MonoObject *)add->setup->private_bin_path;
652 else if (!strcmp (str, "BINPATH_PROBE_ONLY"))
653 o = (MonoObject *)add->setup->private_bin_path_probe;
654 else if (!strcmp (str, "SHADOW_COPY_DIRS"))
655 o = (MonoObject *)add->setup->shadow_copy_directories;
656 else if (!strcmp (str, "FORCE_CACHE_INSTALL"))
657 o = (MonoObject *)add->setup->shadow_copy_files;
658 else
659 o = mono_g_hash_table_lookup (add->env, name);
660
661 mono_domain_unlock (add);
662 g_free (str);
663
664 if (!o)
665 return NULL;
666
667 return o;
668 }
669
670 void
671 ves_icall_System_AppDomain_SetData (MonoAppDomain *ad, MonoString *name, MonoObject *data)
672 {
673 MonoDomain *add;
674
675 MONO_ARCH_SAVE_REGS;
676
677 g_assert (ad != NULL);
678 add = ad->data;
679 g_assert (add != NULL);
680
681 if (name == NULL)
682 mono_raise_exception (mono_get_exception_argument_null ("name"));
683
684 mono_domain_lock (add);
685
686 mono_g_hash_table_insert (add->env, name, data);
687
688 mono_domain_unlock (add);
689 }
690
691 MonoAppDomainSetup *
692 ves_icall_System_AppDomain_getSetup (MonoAppDomain *ad)
693 {
694 MONO_ARCH_SAVE_REGS;
695
696 g_assert (ad != NULL);
697 g_assert (ad->data != NULL);
698
699 return ad->data->setup;
700 }
701
702 MonoString *
703 ves_icall_System_AppDomain_getFriendlyName (MonoAppDomain *ad)
704 {
705 MONO_ARCH_SAVE_REGS;
706
707 g_assert (ad != NULL);
708 g_assert (ad->data != NULL);
709
710 return mono_string_new (ad->data, ad->data->friendly_name);
711 }
712
713 MonoAppDomain *
714 ves_icall_System_AppDomain_getCurDomain ()
715 {
716 MonoDomain *add = mono_domain_get ();
717
718 MONO_ARCH_SAVE_REGS;
719
720 return add->domain;
721 }
722
723 MonoAppDomain *
724 ves_icall_System_AppDomain_getRootDomain ()
725 {
726 MonoDomain *root = mono_get_root_domain ();
727
728 MONO_ARCH_SAVE_REGS;
729
730 return root->domain;
731 }
732
733 static char*
734 get_attribute_value (const gchar **attribute_names,
735 const gchar **attribute_values,
736 const char *att_name)
737 {
738 int n;
739 for (n = 0; attribute_names [n] != NULL; n++) {
740 if (strcmp (attribute_names [n], att_name) == 0)
741 return g_strdup (attribute_values [n]);
742 }
743 return NULL;
744 }
745
746 static void
747 start_element (GMarkupParseContext *context,
748 const gchar *element_name,
749 const gchar **attribute_names,
750 const gchar **attribute_values,
751 gpointer user_data,
752 GError **error)
753 {
754 RuntimeConfig *runtime_config = user_data;
755
756 if (strcmp (element_name, "runtime") == 0) {
757 runtime_config->runtime_count++;
758 return;
759 }
760
761 if (strcmp (element_name, "assemblyBinding") == 0) {
762 runtime_config->assemblybinding_count++;
763 return;
764 }
765
766 if (runtime_config->runtime_count != 1 || runtime_config->assemblybinding_count != 1)
767 return;
768
769 if (strcmp (element_name, "probing") != 0)
770 return;
771
772 g_free (runtime_config->domain->private_bin_path);
773 runtime_config->domain->private_bin_path = get_attribute_value (attribute_names, attribute_values, "privatePath");
774 if (runtime_config->domain->private_bin_path && !runtime_config->domain->private_bin_path [0]) {
775 g_free (runtime_config->domain->private_bin_path);
776 runtime_config->domain->private_bin_path = NULL;
777 return;
778 }
779 }
780
781 static void
782 end_element (GMarkupParseContext *context,
783 const gchar *element_name,
784 gpointer user_data,
785 GError **error)
786 {
787 RuntimeConfig *runtime_config = user_data;
788 if (strcmp (element_name, "runtime") == 0)
789 runtime_config->runtime_count--;
790 else if (strcmp (element_name, "assemblyBinding") == 0)
791 runtime_config->assemblybinding_count--;
792 }
793
794 static void
795 parse_error (GMarkupParseContext *context, GError *error, gpointer user_data)
796 {
797 RuntimeConfig *state = user_data;
798 const gchar *msg;
799 const gchar *filename;
800
801 filename = state && state->filename ? (gchar *) state->filename : "<unknown>";
802 msg = error && error->message ? error->message : "";
803 g_warning ("Error parsing %s: %s", filename, msg);
804 }
805
806 static const GMarkupParser
807 mono_parser = {
808 start_element,
809 end_element,
810 NULL,
811 NULL,
812 parse_error
813 };
814
815 void
816 mono_set_private_bin_path_from_config (MonoDomain *domain)
817 {
818 MonoError error;
819 gchar *config_file_name = NULL, *text = NULL, *config_file_path = NULL;
820 gsize len;
821 GMarkupParseContext *context;
822 RuntimeConfig runtime_config;
823 gint offset;
824
825 if (!domain || !domain->setup || !domain->setup->configuration_file)
826 return;
827
828 config_file_name = mono_string_to_utf8_checked (domain->setup->configuration_file, &error);
829 if (!mono_error_ok (&error)) {
830 mono_error_cleanup (&error);
831 goto free_and_out;
832 }
833
834 config_file_path = mono_portability_find_file (config_file_name, TRUE);
835 if (!config_file_path)
836 config_file_path = config_file_name;
837
838 if (!g_file_get_contents (config_file_path, &text, &len, NULL))
839 goto free_and_out;
840
841 runtime_config.runtime_count = 0;
842 runtime_config.assemblybinding_count = 0;
843 runtime_config.domain = domain;
844 runtime_config.filename = config_file_path;
845
846 offset = 0;
847 if (len > 3 && text [0] == '\xef' && text [1] == (gchar) '\xbb' && text [2] == '\xbf')
848 offset = 3; /* Skip UTF-8 BOM */
849
850 context = g_markup_parse_context_new (&mono_parser, 0, &runtime_config, NULL);
851 if (g_markup_parse_context_parse (context, text + offset, len - offset, NULL))
852 g_markup_parse_context_end_parse (context, NULL);
853 g_markup_parse_context_free (context);
854
855 free_and_out:
856 g_free (text);
857 if (config_file_name != config_file_path)
858 g_free (config_file_name);
859 g_free (config_file_path);
860 }
861
862 MonoAppDomain *
863 ves_icall_System_AppDomain_createDomain (MonoString *friendly_name, MonoAppDomainSetup *setup)
864 {
865 char *fname = mono_string_to_utf8 (friendly_name);
866 MonoAppDomain *ad = mono_domain_create_appdomain_internal (fname, setup);
867
868 g_free (fname);
869
870 return ad;
871 }
872
873 MonoArray *
874 ves_icall_System_AppDomain_GetAssemblies (MonoAppDomain *ad, MonoBoolean refonly)
875 {
876 MonoDomain *domain = ad->data;
877 MonoAssembly* ass;
878 static MonoClass *System_Reflection_Assembly;
879 MonoArray *res;
880 GSList *tmp;
881 int i;
882 GPtrArray *assemblies;
883
884 MONO_ARCH_SAVE_REGS;
885
886 if (!System_Reflection_Assembly)
887 System_Reflection_Assembly = mono_class_from_name (
888 mono_defaults.corlib, "System.Reflection", "Assembly");
889
890 /*
891 * Make a copy of the list of assemblies because we can't hold the assemblies
892 * lock while creating objects etc.
893 */
894 assemblies = g_ptr_array_new ();
895 /* Need to skip internal assembly builders created by remoting */
896 mono_domain_assemblies_lock (domain);
897 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
898 ass = tmp->data;
899 if (refonly != ass->ref_only)
900 continue;
901 if (ass->corlib_internal)
902 continue;
903 g_ptr_array_add (assemblies, ass);
904 }
905 mono_domain_assemblies_unlock (domain);
906
907 res = mono_array_new (domain, System_Reflection_Assembly, assemblies->len);
908 for (i = 0; i < assemblies->len; ++i) {
909 ass = g_ptr_array_index (assemblies, i);
910 mono_array_setref (res, i, mono_assembly_get_object (domain, ass));
911 }
912
913 g_ptr_array_free (assemblies, TRUE);
914
915 return res;
916 }
917
918 MonoReflectionAssembly *
919 mono_try_assembly_resolve (MonoDomain *domain, MonoString *fname, gboolean refonly)
920 {
921 MonoClass *klass;
922 MonoMethod *method;
923 MonoBoolean isrefonly;
924 gpointer params [2];
925
926 if (mono_runtime_get_no_exec ())
927 return NULL;
928
929 g_assert (domain != NULL && fname != NULL);
930
931 klass = domain->domain->mbr.obj.vtable->klass;
932 g_assert (klass);
933
934 method = mono_class_get_method_from_name (klass, "DoAssemblyResolve", -1);
935 if (method == NULL) {
936 g_warning ("Method AppDomain.DoAssemblyResolve not found.\n");
937 return NULL;
938 }
939
940 isrefonly = refonly ? 1 : 0;
941 params [0] = fname;
942 params [1] = &isrefonly;
943 return (MonoReflectionAssembly *) mono_runtime_invoke (method, domain->domain, params, NULL);
944 }
945
946 static MonoAssembly *
947 mono_domain_assembly_postload_search (MonoAssemblyName *aname,
948 gpointer user_data)
949 {
950 gboolean refonly = GPOINTER_TO_UINT (user_data);
951 MonoReflectionAssembly *assembly;
952 MonoDomain *domain = mono_domain_get ();
953 char *aname_str;
954 MonoString *str;
955
956 aname_str = mono_stringify_assembly_name (aname);
957
958 /* FIXME: We invoke managed code here, so there is a potential for deadlocks */
959 str = mono_string_new (domain, aname_str);
960 if (!str) {
961 g_free (aname_str);
962 return NULL;
963 }
964 assembly = mono_try_assembly_resolve (domain, str, refonly);
965 g_free (aname_str);
966
967 if (assembly)
968 return assembly->assembly;
969 else
970 return NULL;
971 }
972
973 /*
974 * LOCKING: assumes assemblies_lock in the domain is already locked.
975 */
976 static void
977 add_assemblies_to_domain (MonoDomain *domain, MonoAssembly *ass, GHashTable *ht)
978 {
979 gint i;
980 GSList *tmp;
981 gboolean destroy_ht = FALSE;
982
983 if (!ass->aname.name)
984 return;
985
986 if (!ht) {
987 ht = g_hash_table_new (mono_aligned_addr_hash, NULL);
988 destroy_ht = TRUE;
989 }
990
991 /* FIXME: handle lazy loaded assemblies */
992 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
993 g_hash_table_insert (ht, tmp->data, tmp->data);
994 }
995 if (!g_hash_table_lookup (ht, ass)) {
996 mono_assembly_addref (ass);
997 g_hash_table_insert (ht, ass, ass);
998 domain->domain_assemblies = g_slist_prepend (domain->domain_assemblies, ass);
999 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_ASSEMBLY, "Assembly %s[%p] added to domain %s, ref_count=%d", ass->aname.name, ass, domain->friendly_name, ass->ref_count);
1000 }
1001
1002 if (ass->image->references) {
1003 for (i = 0; ass->image->references [i] != NULL; i++) {
1004 if (ass->image->references [i] != REFERENCE_MISSING)
1005 if (!g_hash_table_lookup (ht, ass->image->references [i])) {
1006 add_assemblies_to_domain (domain, ass->image->references [i], ht);
1007 }
1008 }
1009 }
1010 if (destroy_ht)
1011 g_hash_table_destroy (ht);
1012 }
1013
1014 static void
1015 mono_domain_fire_assembly_load (MonoAssembly *assembly, gpointer user_data)
1016 {
1017 static MonoClassField *assembly_load_field;
1018 static MonoMethod *assembly_load_method;
1019 MonoDomain *domain = mono_domain_get ();
1020 MonoReflectionAssembly *ref_assembly;
1021 MonoClass *klass;
1022 gpointer load_value;
1023 void *params [1];
1024
1025 if (!domain->domain)
1026 /* This can happen during startup */
1027 return;
1028 #ifdef ASSEMBLY_LOAD_DEBUG
1029 fprintf (stderr, "Loading %s into domain %s\n", assembly->aname.name, domain->friendly_name);
1030 #endif
1031 klass = domain->domain->mbr.obj.vtable->klass;
1032
1033 mono_domain_assemblies_lock (domain);
1034 add_assemblies_to_domain (domain, assembly, NULL);
1035 mono_domain_assemblies_unlock (domain);
1036
1037 if (assembly_load_field == NULL) {
1038 assembly_load_field = mono_class_get_field_from_name (klass, "AssemblyLoad");
1039 g_assert (assembly_load_field);
1040 }
1041
1042 mono_field_get_value ((MonoObject*) domain->domain, assembly_load_field, &load_value);
1043 if (load_value == NULL) {
1044 /* No events waiting to be triggered */
1045 return;
1046 }
1047
1048 ref_assembly = mono_assembly_get_object (domain, assembly);
1049 g_assert (ref_assembly);
1050
1051 if (assembly_load_method == NULL) {
1052 assembly_load_method = mono_class_get_method_from_name (klass, "DoAssemblyLoad", -1);
1053 g_assert (assembly_load_method);
1054 }
1055
1056 *params = ref_assembly;
1057 mono_runtime_invoke (assembly_load_method, domain->domain, params, NULL);
1058 }
1059
1060 /*
1061 * LOCKING: Acquires the domain assemblies lock.
1062 */
1063 static void
1064 set_domain_search_path (MonoDomain *domain)
1065 {
1066 MonoError error;
1067 MonoAppDomainSetup *setup;
1068 gchar **tmp;
1069 gchar *search_path = NULL;
1070 gint i;
1071 gint npaths = 0;
1072 gchar **pvt_split = NULL;
1073 GError *gerror = NULL;
1074 gint appbaselen = -1;
1075
1076 /*
1077 * We use the low-level domain assemblies lock, since this is called from
1078 * assembly loads hooks, which means this thread might hold the loader lock.
1079 */
1080 mono_domain_assemblies_lock (domain);
1081
1082 if (!domain->setup) {
1083 mono_domain_assemblies_unlock (domain);
1084 return;
1085 }
1086
1087 if ((domain->search_path != NULL) && !domain->setup->path_changed) {
1088 mono_domain_assemblies_unlock (domain);
1089 return;
1090 }
1091 setup = domain->setup;
1092 if (!setup->application_base) {
1093 mono_domain_assemblies_unlock (domain);
1094 return; /* Must set application base to get private path working */
1095 }
1096
1097 npaths++;
1098
1099 if (setup->private_bin_path) {
1100 search_path = mono_string_to_utf8_checked (setup->private_bin_path, &error);
1101 if (!mono_error_ok (&error)) { /*FIXME maybe we should bubble up the error.*/
1102 g_warning ("Could not decode AppDomain search path since it contains invalid characters");
1103 mono_error_cleanup (&error);
1104 mono_domain_assemblies_unlock (domain);
1105 return;
1106 }
1107 }
1108
1109 if (domain->private_bin_path) {
1110 if (search_path == NULL)
1111 search_path = domain->private_bin_path;
1112 else {
1113 gchar *tmp2 = search_path;
1114 search_path = g_strjoin (";", search_path, domain->private_bin_path, NULL);
1115 g_free (tmp2);
1116 }
1117 }
1118
1119 if (search_path) {
1120 /*
1121 * As per MSDN documentation, AppDomainSetup.PrivateBinPath contains a list of
1122 * directories relative to ApplicationBase separated by semicolons (see
1123 * http://msdn2.microsoft.com/en-us/library/system.appdomainsetup.privatebinpath.aspx)
1124 * The loop below copes with the fact that some Unix applications may use ':' (or
1125 * System.IO.Path.PathSeparator) as the path search separator. We replace it with
1126 * ';' for the subsequent split.
1127 *
1128 * The issue was reported in bug #81446
1129 */
1130
1131 #ifndef TARGET_WIN32
1132 gint slen;
1133
1134 slen = strlen (search_path);
1135 for (i = 0; i < slen; i++)
1136 if (search_path [i] == ':')
1137 search_path [i] = ';';
1138 #endif
1139
1140 pvt_split = g_strsplit (search_path, ";", 1000);
1141 g_free (search_path);
1142 for (tmp = pvt_split; *tmp; tmp++, npaths++);
1143 }
1144
1145 if (!npaths) {
1146 if (pvt_split)
1147 g_strfreev (pvt_split);
1148 /*
1149 * Don't do this because the first time is called, the domain
1150 * setup is not finished.
1151 *
1152 * domain->search_path = g_malloc (sizeof (char *));
1153 * domain->search_path [0] = NULL;
1154 */
1155 mono_domain_assemblies_unlock (domain);
1156 return;
1157 }
1158
1159 if (domain->search_path)
1160 g_strfreev (domain->search_path);
1161
1162 tmp = g_malloc ((npaths + 1) * sizeof (gchar *));
1163 tmp [npaths] = NULL;
1164
1165 *tmp = mono_string_to_utf8_checked (setup->application_base, &error);
1166 if (!mono_error_ok (&error)) {
1167 mono_error_cleanup (&error);
1168 g_strfreev (pvt_split);
1169 g_free (tmp);
1170
1171 mono_domain_assemblies_unlock (domain);
1172 return;
1173 }
1174
1175 domain->search_path = tmp;
1176
1177 /* FIXME: is this needed? */
1178 if (strncmp (*tmp, "file://", 7) == 0) {
1179 gchar *file = *tmp;
1180 gchar *uri = *tmp;
1181 gchar *tmpuri;
1182
1183 if (uri [7] != '/')
1184 uri = g_strdup_printf ("file:///%s", uri + 7);
1185
1186 tmpuri = uri;
1187 uri = mono_escape_uri_string (tmpuri);
1188 *tmp = g_filename_from_uri (uri, NULL, &gerror);
1189 g_free (uri);
1190
1191 if (tmpuri != file)
1192 g_free (tmpuri);
1193
1194 if (gerror != NULL) {
1195 g_warning ("%s\n", gerror->message);
1196 g_error_free (gerror);
1197 *tmp = file;
1198 } else {
1199 g_free (file);
1200 }
1201 }
1202
1203 for (i = 1; pvt_split && i < npaths; i++) {
1204 if (g_path_is_absolute (pvt_split [i - 1])) {
1205 tmp [i] = g_strdup (pvt_split [i - 1]);
1206 } else {
1207 tmp [i] = g_build_filename (tmp [0], pvt_split [i - 1], NULL);
1208 }
1209
1210 if (strchr (tmp [i], '.')) {
1211 gchar *reduced;
1212 gchar *freeme;
1213
1214 reduced = mono_path_canonicalize (tmp [i]);
1215 if (appbaselen == -1)
1216 appbaselen = strlen (tmp [0]);
1217
1218 if (strncmp (tmp [0], reduced, appbaselen)) {
1219 g_free (reduced);
1220 g_free (tmp [i]);
1221 tmp [i] = g_strdup ("");
1222 continue;
1223 }
1224
1225 freeme = tmp [i];
1226 tmp [i] = reduced;
1227 g_free (freeme);
1228 }
1229 }
1230
1231 if (setup->private_bin_path_probe != NULL) {
1232 g_free (tmp [0]);
1233 tmp [0] = g_strdup ("");
1234 }
1235
1236 domain->setup->path_changed = FALSE;
1237
1238 g_strfreev (pvt_split);
1239
1240 mono_domain_assemblies_unlock (domain);
1241 }
1242
1243 #ifdef DISABLE_SHADOW_COPY
1244 gboolean
1245 mono_is_shadow_copy_enabled (MonoDomain *domain, const gchar *dir_name)
1246 {
1247 return FALSE;
1248 }
1249
1250 char *
1251 mono_make_shadow_copy (const char *filename)
1252 {
1253 return (char *) filename;
1254 }
1255 #else
1256 static gboolean
1257 shadow_copy_sibling (gchar *src, gint srclen, const char *extension, gchar *target, gint targetlen, gint tail_len)
1258 {
1259 guint16 *orig, *dest;
1260 gboolean copy_result;
1261
1262 strcpy (src + srclen - tail_len, extension);
1263
1264 if (IS_PORTABILITY_CASE) {
1265 gchar *file = mono_portability_find_file (src, TRUE);
1266
1267 if (file == NULL)
1268 return TRUE;
1269
1270 g_free (file);
1271 } else if (!g_file_test (src, G_FILE_TEST_IS_REGULAR)) {
1272 return TRUE;
1273 }
1274
1275 orig = g_utf8_to_utf16 (src, strlen (src), NULL, NULL, NULL);
1276
1277 strcpy (target + targetlen - tail_len, extension);
1278 dest = g_utf8_to_utf16 (target, strlen (target), NULL, NULL, NULL);
1279
1280 DeleteFile (dest);
1281 copy_result = CopyFile (orig, dest, FALSE);
1282
1283 /* Fix for bug #556884 - make sure the files have the correct mode so that they can be
1284 * overwritten when updated in their original locations. */
1285 if (copy_result)
1286 copy_result = SetFileAttributes (dest, FILE_ATTRIBUTE_NORMAL);
1287
1288 g_free (orig);
1289 g_free (dest);
1290
1291 return copy_result;
1292 }
1293
1294 static gint32
1295 get_cstring_hash (const char *str)
1296 {
1297 int len, i;
1298 const char *p;
1299 gint32 h = 0;
1300
1301 if (!str || !str [0])
1302 return 0;
1303
1304 len = strlen (str);
1305 p = str;
1306 for (i = 0; i < len; i++) {
1307 h = (h << 5) - h + *p;
1308 p++;
1309 }
1310
1311 return h;
1312 }
1313
1314 /*
1315 * Returned memory is malloc'd. Called must free it
1316 */
1317 static char *
1318 get_shadow_assembly_location_base (MonoDomain *domain, MonoError *error)
1319 {
1320 MonoAppDomainSetup *setup;
1321 char *cache_path, *appname;
1322 char *userdir;
1323 char *location;
1324
1325 mono_error_init (error);
1326
1327 setup = domain->setup;
1328 if (setup->cache_path != NULL && setup->application_name != NULL) {
1329 cache_path = mono_string_to_utf8_checked (setup->cache_path, error);
1330 if (!mono_error_ok (error))
1331 return NULL;
1332 #ifndef TARGET_WIN32
1333 {
1334 gint i;
1335 for (i = strlen (cache_path) - 1; i >= 0; i--)
1336 if (cache_path [i] == '\\')
1337 cache_path [i] = '/';
1338 }
1339 #endif
1340
1341 appname = mono_string_to_utf8_checked (setup->application_name, error);
1342 if (!mono_error_ok (error)) {
1343 g_free (cache_path);
1344 return NULL;
1345 }
1346
1347 location = g_build_filename (cache_path, appname, "assembly", "shadow", NULL);
1348 g_free (appname);
1349 g_free (cache_path);
1350 } else {
1351 userdir = g_strdup_printf ("%s-mono-cachepath", g_get_user_name ());
1352 location = g_build_filename (g_get_tmp_dir (), userdir, "assembly", "shadow", NULL);
1353 g_free (userdir);
1354 }
1355 return location;
1356 }
1357
1358 static char *
1359 get_shadow_assembly_location (const char *filename, MonoError *error)
1360 {
1361 gint32 hash = 0, hash2 = 0;
1362 char name_hash [9];
1363 char path_hash [30];
1364 char *bname = g_path_get_basename (filename);
1365 char *dirname = g_path_get_dirname (filename);
1366 char *location, *tmploc;
1367 MonoDomain *domain = mono_domain_get ();
1368
1369 mono_error_init (error);
1370
1371 hash = get_cstring_hash (bname);
1372 hash2 = get_cstring_hash (dirname);
1373 g_snprintf (name_hash, sizeof (name_hash), "%08x", hash);
1374 g_snprintf (path_hash, sizeof (path_hash), "%08x_%08x_%08x", hash ^ hash2, hash2, domain->shadow_serial);
1375 tmploc = get_shadow_assembly_location_base (domain, error);
1376 if (!mono_error_ok (error)) {
1377 g_free (bname);
1378 g_free (dirname);
1379 return NULL;
1380 }
1381
1382 location = g_build_filename (tmploc, name_hash, path_hash, bname, NULL);
1383 g_free (tmploc);
1384 g_free (bname);
1385 g_free (dirname);
1386 return location;
1387 }
1388
1389 static gboolean
1390 ensure_directory_exists (const char *filename)
1391 {
1392 #ifdef HOST_WIN32
1393 gchar *dir_utf8 = g_path_get_dirname (filename);
1394 gunichar2 *p;
1395 gunichar2 *dir_utf16 = NULL;
1396 int retval;
1397
1398 if (!dir_utf8 || !dir_utf8 [0])
1399 return FALSE;
1400
1401 dir_utf16 = g_utf8_to_utf16 (dir_utf8, strlen (dir_utf8), NULL, NULL, NULL);
1402 g_free (dir_utf8);
1403
1404 if (!dir_utf16)
1405 return FALSE;
1406
1407 p = dir_utf16;
1408
1409 /* make life easy and only use one directory seperator */
1410 while (*p != '\0')
1411 {
1412 if (*p == '/')
1413 *p = '\\';
1414 p++;
1415 }
1416
1417 p = dir_utf16;
1418
1419 /* get past C:\ )*/
1420 while (*p++ != '\\')
1421 {
1422 }
1423
1424 while (1) {
1425 BOOL bRet = FALSE;
1426 p = wcschr (p, '\\');
1427 if (p)
1428 *p = '\0';
1429 retval = _wmkdir (dir_utf16);
1430 if (retval != 0 && errno != EEXIST) {
1431 g_free (dir_utf16);
1432 return FALSE;
1433 }
1434 if (!p)
1435 break;
1436 *p++ = '\\';
1437 }
1438
1439 g_free (dir_utf16);
1440 return TRUE;
1441 #else
1442 char *p;
1443 gchar *dir = g_path_get_dirname (filename);
1444 int retval;
1445 struct stat sbuf;
1446
1447 if (!dir || !dir [0]) {
1448 g_free (dir);
1449 return FALSE;
1450 }
1451
1452 if (stat (dir, &sbuf) == 0 && S_ISDIR (sbuf.st_mode)) {
1453 g_free (dir);
1454 return TRUE;
1455 }
1456
1457 p = dir;
1458 while (*p == '/')
1459 p++;
1460
1461 while (1) {
1462 p = strchr (p, '/');
1463 if (p)
1464 *p = '\0';
1465 retval = mkdir (dir, 0777);
1466 if (retval != 0 && errno != EEXIST) {
1467 g_free (dir);
1468 return FALSE;
1469 }
1470 if (!p)
1471 break;
1472 *p++ = '/';
1473 }
1474
1475 g_free (dir);
1476 return TRUE;
1477 #endif
1478 }
1479
1480 static gboolean
1481 private_file_needs_copying (const char *src, struct stat *sbuf_src, char *dest)
1482 {
1483 struct stat sbuf_dest;
1484 gchar *real_src = mono_portability_find_file (src, TRUE);
1485
1486 if (!real_src)
1487 real_src = (gchar*)src;
1488
1489 if (stat (real_src, sbuf_src) == -1) {
1490 time_t tnow = time (NULL);
1491 memset (sbuf_src, 0, sizeof (*sbuf_src));
1492 sbuf_src->st_mtime = tnow;
1493 sbuf_src->st_atime = tnow;
1494 return TRUE;
1495 }
1496
1497 if (stat (dest, &sbuf_dest) == -1)
1498 return TRUE;
1499
1500 if (sbuf_src->st_size == sbuf_dest.st_size &&
1501 sbuf_src->st_mtime == sbuf_dest.st_mtime)
1502 return FALSE;
1503
1504 return TRUE;
1505 }
1506
1507 static gboolean
1508 shadow_copy_create_ini (const char *shadow, const char *filename)
1509 {
1510 char *dir_name;
1511 char *ini_file;
1512 guint16 *u16_ini;
1513 gboolean result;
1514 guint32 n;
1515 HANDLE *handle;
1516 gchar *full_path;
1517
1518 dir_name = g_path_get_dirname (shadow);
1519 ini_file = g_build_filename (dir_name, "__AssemblyInfo__.ini", NULL);
1520 g_free (dir_name);
1521 if (g_file_test (ini_file, G_FILE_TEST_IS_REGULAR)) {
1522 g_free (ini_file);
1523 return TRUE;
1524 }
1525
1526 u16_ini = g_utf8_to_utf16 (ini_file, strlen (ini_file), NULL, NULL, NULL);
1527 g_free (ini_file);
1528 if (!u16_ini) {
1529 return FALSE;
1530 }
1531 handle = CreateFile (u16_ini, GENERIC_WRITE, FILE_SHARE_READ|FILE_SHARE_WRITE,
1532 NULL, CREATE_NEW, FileAttributes_Normal, NULL);
1533 g_free (u16_ini);
1534 if (handle == INVALID_HANDLE_VALUE) {
1535 return FALSE;
1536 }
1537
1538 full_path = mono_path_resolve_symlinks (filename);
1539 result = WriteFile (handle, full_path, strlen (full_path), &n, NULL);
1540 g_free (full_path);
1541 CloseHandle (handle);
1542 return result;
1543 }
1544
1545 gboolean
1546 mono_is_shadow_copy_enabled (MonoDomain *domain, const gchar *dir_name)
1547 {
1548 MonoError error;
1549 MonoAppDomainSetup *setup;
1550 gchar *all_dirs;
1551 gchar **dir_ptr;
1552 gchar **directories;
1553 gchar *shadow_status_string;
1554 gchar *base_dir;
1555 gboolean shadow_enabled;
1556 gboolean found = FALSE;
1557
1558 if (domain == NULL)
1559 return FALSE;
1560
1561 setup = domain->setup;
1562 if (setup == NULL || setup->shadow_copy_files == NULL)
1563 return FALSE;
1564
1565 shadow_status_string = mono_string_to_utf8_checked (setup->shadow_copy_files, &error);
1566 if (!mono_error_ok (&error)) {
1567 mono_error_cleanup (&error);
1568 return FALSE;
1569 }
1570 shadow_enabled = !g_ascii_strncasecmp (shadow_status_string, "true", 4);
1571 g_free (shadow_status_string);
1572
1573 if (!shadow_enabled)
1574 return FALSE;
1575
1576 if (setup->shadow_copy_directories == NULL)
1577 return TRUE;
1578
1579 /* Is dir_name a shadow_copy destination already? */
1580 base_dir = get_shadow_assembly_location_base (domain, &error);
1581 if (!mono_error_ok (&error)) {
1582 mono_error_cleanup (&error);
1583 return FALSE;
1584 }
1585
1586 if (strstr (dir_name, base_dir)) {
1587 g_free (base_dir);
1588 return TRUE;
1589 }
1590 g_free (base_dir);
1591
1592 all_dirs = mono_string_to_utf8_checked (setup->shadow_copy_directories, &error);
1593 if (!mono_error_ok (&error)) {
1594 mono_error_cleanup (&error);
1595 return FALSE;
1596 }
1597
1598 directories = g_strsplit (all_dirs, G_SEARCHPATH_SEPARATOR_S, 1000);
1599 dir_ptr = directories;
1600 while (*dir_ptr) {
1601 if (**dir_ptr != '\0' && !strcmp (*dir_ptr, dir_name)) {
1602 found = TRUE;
1603 break;
1604 }
1605 dir_ptr++;
1606 }
1607 g_strfreev (directories);
1608 g_free (all_dirs);
1609 return found;
1610 }
1611
1612 /*
1613 This function raises exceptions so it can cause as sorts of nasty stuff if called
1614 while holding a lock.
1615 FIXME bubble up the error instead of raising it here
1616 */
1617 char *
1618 mono_make_shadow_copy (const char *filename)
1619 {
1620 MonoError error;
1621 gchar *sibling_source, *sibling_target;
1622 gint sibling_source_len, sibling_target_len;
1623 guint16 *orig, *dest;
1624 char *shadow;
1625 gboolean copy_result;
1626 MonoException *exc;
1627 struct stat src_sbuf;
1628 struct utimbuf utbuf;
1629 char *dir_name = g_path_get_dirname (filename);
1630 MonoDomain *domain = mono_domain_get ();
1631 char *shadow_dir;
1632
1633 set_domain_search_path (domain);
1634
1635 if (!mono_is_shadow_copy_enabled (domain, dir_name)) {
1636 g_free (dir_name);
1637 return (char *) filename;
1638 }
1639
1640 /* Is dir_name a shadow_copy destination already? */
1641 shadow_dir = get_shadow_assembly_location_base (domain, &error);
1642 if (!mono_error_ok (&error)) {
1643 mono_error_cleanup (&error);
1644 g_free (dir_name);
1645 exc = mono_get_exception_execution_engine ("Failed to create shadow copy (invalid characters in shadow directory name).");
1646 mono_raise_exception (exc);
1647 }
1648
1649 if (strstr (dir_name, shadow_dir)) {
1650 g_free (shadow_dir);
1651 g_free (dir_name);
1652 return (char *) filename;
1653 }
1654 g_free (shadow_dir);
1655 g_free (dir_name);
1656
1657 shadow = get_shadow_assembly_location (filename, &error);
1658 if (!mono_error_ok (&error)) {
1659 mono_error_cleanup (&error);
1660 exc = mono_get_exception_execution_engine ("Failed to create shadow copy (invalid characters in file name).");
1661 mono_raise_exception (exc);
1662 }
1663
1664 if (ensure_directory_exists (shadow) == FALSE) {
1665 g_free (shadow);
1666 exc = mono_get_exception_execution_engine ("Failed to create shadow copy (ensure directory exists).");
1667 mono_raise_exception (exc);
1668 }
1669
1670 if (!private_file_needs_copying (filename, &src_sbuf, shadow))
1671 return (char*) shadow;
1672
1673 orig = g_utf8_to_utf16 (filename, strlen (filename), NULL, NULL, NULL);
1674 dest = g_utf8_to_utf16 (shadow, strlen (shadow), NULL, NULL, NULL);
1675 DeleteFile (dest);
1676 copy_result = CopyFile (orig, dest, FALSE);
1677
1678 /* Fix for bug #556884 - make sure the files have the correct mode so that they can be
1679 * overwritten when updated in their original locations. */
1680 if (copy_result)
1681 copy_result = SetFileAttributes (dest, FILE_ATTRIBUTE_NORMAL);
1682
1683 g_free (dest);
1684 g_free (orig);
1685
1686 if (copy_result == FALSE) {
1687 g_free (shadow);
1688 exc = mono_get_exception_execution_engine ("Failed to create shadow copy (CopyFile).");
1689 mono_raise_exception (exc);
1690 }
1691
1692 /* attempt to copy .mdb, .config if they exist */
1693 sibling_source = g_strconcat (filename, ".config", NULL);
1694 sibling_source_len = strlen (sibling_source);
1695 sibling_target = g_strconcat (shadow, ".config", NULL);
1696 sibling_target_len = strlen (sibling_target);
1697
1698 copy_result = shadow_copy_sibling (sibling_source, sibling_source_len, ".mdb", sibling_target, sibling_target_len, 7);
1699 if (copy_result == TRUE)
1700 copy_result = shadow_copy_sibling (sibling_source, sibling_source_len, ".config", sibling_target, sibling_target_len, 7);
1701
1702 g_free (sibling_source);
1703 g_free (sibling_target);
1704
1705 if (copy_result == FALSE) {
1706 g_free (shadow);
1707 exc = mono_get_exception_execution_engine ("Failed to create shadow copy of sibling data (CopyFile).");
1708 mono_raise_exception (exc);
1709 }
1710
1711 /* Create a .ini file containing the original assembly location */
1712 if (!shadow_copy_create_ini (shadow, filename)) {
1713 g_free (shadow);
1714 exc = mono_get_exception_execution_engine ("Failed to create shadow copy .ini file.");
1715 mono_raise_exception (exc);
1716 }
1717
1718 utbuf.actime = src_sbuf.st_atime;
1719 utbuf.modtime = src_sbuf.st_mtime;
1720 utime (shadow, &utbuf);
1721
1722 return shadow;
1723 }
1724 #endif /* DISABLE_SHADOW_COPY */
1725
1726 MonoDomain *
1727 mono_domain_from_appdomain (MonoAppDomain *appdomain)
1728 {
1729 if (appdomain == NULL)
1730 return NULL;
1731
1732 return appdomain->data;
1733 }
1734
1735 static gboolean
1736 try_load_from (MonoAssembly **assembly, const gchar *path1, const gchar *path2,
1737 const gchar *path3, const gchar *path4,
1738 gboolean refonly, gboolean is_private)
1739 {
1740 gchar *fullpath;
1741 gboolean found = FALSE;
1742
1743 *assembly = NULL;
1744 fullpath = g_build_filename (path1, path2, path3, path4, NULL);
1745
1746 if (IS_PORTABILITY_SET) {
1747 gchar *new_fullpath = mono_portability_find_file (fullpath, TRUE);
1748 if (new_fullpath) {
1749 g_free (fullpath);
1750 fullpath = new_fullpath;
1751 found = TRUE;
1752 }
1753 } else
1754 found = g_file_test (fullpath, G_FILE_TEST_IS_REGULAR);
1755
1756 if (found)
1757 *assembly = mono_assembly_open_full (fullpath, NULL, refonly);
1758
1759 g_free (fullpath);
1760 return (*assembly != NULL);
1761 }
1762
1763 static MonoAssembly *
1764 real_load (gchar **search_path, const gchar *culture, const gchar *name, gboolean refonly)
1765 {
1766 MonoAssembly *result = NULL;
1767 gchar **path;
1768 gchar *filename;
1769 const gchar *local_culture;
1770 gint len;
1771 gboolean is_private = FALSE;
1772
1773 if (!culture || *culture == '\0') {
1774 local_culture = "";
1775 } else {
1776 local_culture = culture;
1777 }
1778
1779 filename = g_strconcat (name, ".dll", NULL);
1780 len = strlen (filename);
1781
1782 for (path = search_path; *path; path++) {
1783 if (**path == '\0') {
1784 is_private = TRUE;
1785 continue; /* Ignore empty ApplicationBase */
1786 }
1787
1788 /* See test cases in bug #58992 and bug #57710 */
1789 /* 1st try: [culture]/[name].dll (culture may be empty) */
1790 strcpy (filename + len - 4, ".dll");
1791 if (try_load_from (&result, *path, local_culture, "", filename, refonly, is_private))
1792 break;
1793
1794 /* 2nd try: [culture]/[name].exe (culture may be empty) */
1795 strcpy (filename + len - 4, ".exe");
1796 if (try_load_from (&result, *path, local_culture, "", filename, refonly, is_private))
1797 break;
1798
1799 /* 3rd try: [culture]/[name]/[name].dll (culture may be empty) */
1800 strcpy (filename + len - 4, ".dll");
1801 if (try_load_from (&result, *path, local_culture, name, filename, refonly, is_private))
1802 break;
1803
1804 /* 4th try: [culture]/[name]/[name].exe (culture may be empty) */
1805 strcpy (filename + len - 4, ".exe");
1806 if (try_load_from (&result, *path, local_culture, name, filename, refonly, is_private))
1807 break;
1808 }
1809
1810 g_free (filename);
1811 return result;
1812 }
1813
1814 /*
1815 * Try loading the assembly from ApplicationBase and PrivateBinPath
1816 * and then from assemblies_path if any.
1817 * LOCKING: This is called from the assembly loading code, which means the caller
1818 * might hold the loader lock. Thus, this function must not acquire the domain lock.
1819 */
1820 static MonoAssembly *
1821 mono_domain_assembly_preload (MonoAssemblyName *aname,
1822 gchar **assemblies_path,
1823 gpointer user_data)
1824 {
1825 MonoDomain *domain = mono_domain_get ();
1826 MonoAssembly *result = NULL;
1827 gboolean refonly = GPOINTER_TO_UINT (user_data);
1828
1829 set_domain_search_path (domain);
1830
1831 if (domain->search_path && domain->search_path [0] != NULL) {
1832 result = real_load (domain->search_path, aname->culture, aname->name, refonly);
1833 }
1834
1835 if (result == NULL && assemblies_path && assemblies_path [0] != NULL) {
1836 result = real_load (assemblies_path, aname->culture, aname->name, refonly);
1837 }
1838
1839 return result;
1840 }
1841
1842 /*
1843 * Check whenever a given assembly was already loaded in the current appdomain.
1844 */
1845 static MonoAssembly *
1846 mono_domain_assembly_search (MonoAssemblyName *aname,
1847 gpointer user_data)
1848 {
1849 MonoDomain *domain = mono_domain_get ();
1850 GSList *tmp;
1851 MonoAssembly *ass;
1852 gboolean refonly = GPOINTER_TO_UINT (user_data);
1853
1854 mono_domain_assemblies_lock (domain);
1855 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
1856 ass = tmp->data;
1857 /* Dynamic assemblies can't match here in MS.NET */
1858 if (ass->dynamic || refonly != ass->ref_only || !mono_assembly_names_equal (aname, &ass->aname))
1859 continue;
1860
1861 mono_domain_assemblies_unlock (domain);
1862 return ass;
1863 }
1864 mono_domain_assemblies_unlock (domain);
1865
1866 return NULL;
1867 }
1868
1869 MonoReflectionAssembly *
1870 ves_icall_System_Reflection_Assembly_LoadFrom (MonoString *fname, MonoBoolean refOnly)
1871 {
1872 MonoDomain *domain = mono_domain_get ();
1873 char *name, *filename;
1874 MonoImageOpenStatus status = MONO_IMAGE_OK;
1875 MonoAssembly *ass;
1876
1877 MONO_ARCH_SAVE_REGS;
1878
1879 if (fname == NULL) {
1880 MonoException *exc = mono_get_exception_argument_null ("assemblyFile");
1881 mono_raise_exception (exc);
1882 }
1883
1884 name = filename = mono_string_to_utf8 (fname);
1885
1886 ass = mono_assembly_open_full (filename, &status, refOnly);
1887
1888 if (!ass){
1889 MonoException *exc;
1890
1891 if (status == MONO_IMAGE_IMAGE_INVALID)
1892 exc = mono_get_exception_bad_image_format2 (NULL, fname);
1893 else
1894 exc = mono_get_exception_file_not_found2 (NULL, fname);
1895 g_free (name);
1896 mono_raise_exception (exc);
1897 }
1898
1899 g_free (name);
1900
1901 return mono_assembly_get_object (domain, ass);
1902 }
1903
1904 MonoReflectionAssembly *
1905 ves_icall_System_AppDomain_LoadAssemblyRaw (MonoAppDomain *ad,
1906 MonoArray *raw_assembly,
1907 MonoArray *raw_symbol_store, MonoObject *evidence,
1908 MonoBoolean refonly)
1909 {
1910 MonoAssembly *ass;
1911 MonoReflectionAssembly *refass = NULL;
1912 MonoDomain *domain = ad->data;
1913 MonoImageOpenStatus status;
1914 guint32 raw_assembly_len = mono_array_length (raw_assembly);
1915 MonoImage *image = mono_image_open_from_data_full (mono_array_addr (raw_assembly, gchar, 0), raw_assembly_len, TRUE, NULL, refonly);
1916
1917 if (!image) {
1918 mono_raise_exception (mono_get_exception_bad_image_format (""));
1919 return NULL;
1920 }
1921
1922 if (raw_symbol_store != NULL)
1923 mono_debug_open_image_from_memory (image, mono_array_addr (raw_symbol_store, guint8, 0), mono_array_length (raw_symbol_store));
1924
1925 ass = mono_assembly_load_from_full (image, "", &status, refonly);
1926
1927
1928 if (!ass) {
1929 mono_image_close (image);
1930 mono_raise_exception (mono_get_exception_bad_image_format (""));
1931 return NULL;
1932 }
1933
1934 refass = mono_assembly_get_object (domain, ass);
1935 MONO_OBJECT_SETREF (refass, evidence, evidence);
1936 return refass;
1937 }
1938
1939 MonoReflectionAssembly *
1940 ves_icall_System_AppDomain_LoadAssembly (MonoAppDomain *ad, MonoString *assRef, MonoObject *evidence, MonoBoolean refOnly)
1941 {
1942 MonoDomain *domain = ad->data;
1943 MonoImageOpenStatus status = MONO_IMAGE_OK;
1944 MonoAssembly *ass;
1945 MonoAssemblyName aname;
1946 MonoReflectionAssembly *refass = NULL;
1947 gchar *name;
1948 gboolean parsed;
1949
1950 MONO_ARCH_SAVE_REGS;
1951
1952 g_assert (assRef != NULL);
1953
1954 name = mono_string_to_utf8 (assRef);
1955 parsed = mono_assembly_name_parse (name, &aname);
1956 g_free (name);
1957
1958 if (!parsed) {
1959 /* This is a parse error... */
1960 return NULL;
1961 }
1962
1963 ass = mono_assembly_load_full_nosearch (&aname, NULL, &status, refOnly);
1964 mono_assembly_name_free (&aname);
1965
1966 if (!ass) {
1967 /* MS.NET doesn't seem to call the assembly resolve handler for refonly assemblies */
1968 if (!refOnly)
1969 refass = mono_try_assembly_resolve (domain, assRef, refOnly);
1970 else
1971 refass = NULL;
1972 if (!refass) {
1973 return NULL;
1974 }
1975 }
1976
1977 if (refass == NULL)
1978 refass = mono_assembly_get_object (domain, ass);
1979
1980 MONO_OBJECT_SETREF (refass, evidence, evidence);
1981 return refass;
1982 }
1983
1984 void
1985 ves_icall_System_AppDomain_InternalUnload (gint32 domain_id)
1986 {
1987 MonoDomain * domain = mono_domain_get_by_id (domain_id);
1988
1989 MONO_ARCH_SAVE_REGS;
1990
1991 if (NULL == domain) {
1992 MonoException *exc = mono_get_exception_execution_engine ("Failed to unload domain, domain id not found");
1993 mono_raise_exception (exc);
1994 }
1995
1996 if (domain == mono_get_root_domain ()) {
1997 mono_raise_exception (mono_get_exception_cannot_unload_appdomain ("The default appdomain can not be unloaded."));
1998 return;
1999 }
2000
2001 /*
2002 * Unloading seems to cause problems when running NUnit/NAnt, hence
2003 * this workaround.
2004 */
2005 if (g_getenv ("MONO_NO_UNLOAD"))
2006 return;
2007
2008 mono_domain_unload (domain);
2009 }
2010
2011 gboolean
2012 ves_icall_System_AppDomain_InternalIsFinalizingForUnload (gint32 domain_id)
2013 {
2014 MonoDomain *domain = mono_domain_get_by_id (domain_id);
2015
2016 if (!domain)
2017 return TRUE;
2018
2019 return mono_domain_is_unloading (domain);
2020 }
2021
2022 gint32
2023 ves_icall_System_AppDomain_ExecuteAssembly (MonoAppDomain *ad,
2024 MonoReflectionAssembly *refass, MonoArray *args)
2025 {
2026 MonoImage *image;
2027 MonoMethod *method;
2028
2029 MONO_ARCH_SAVE_REGS;
2030
2031 g_assert (refass);
2032 image = refass->assembly->image;
2033 g_assert (image);
2034
2035 method = mono_get_method (image, mono_image_get_entry_point (image), NULL);
2036
2037 if (!method)
2038 g_error ("No entry point method found in %s", image->name);
2039
2040 if (!args)
2041 args = (MonoArray *) mono_array_new (ad->data, mono_defaults.string_class, 0);
2042
2043 return mono_runtime_exec_main (method, (MonoArray *)args, NULL);
2044 }
2045
2046 gint32
2047 ves_icall_System_AppDomain_GetIDFromDomain (MonoAppDomain * ad)
2048 {
2049 MONO_ARCH_SAVE_REGS;
2050
2051 return ad->data->domain_id;
2052 }
2053
2054 MonoAppDomain *
2055 ves_icall_System_AppDomain_InternalSetDomain (MonoAppDomain *ad)
2056 {
2057 MonoDomain *old_domain = mono_domain_get();
2058
2059 MONO_ARCH_SAVE_REGS;
2060
2061 if (!mono_domain_set (ad->data, FALSE))
2062 mono_raise_exception (mono_get_exception_appdomain_unloaded ());
2063
2064 return old_domain->domain;
2065 }
2066
2067 MonoAppDomain *
2068 ves_icall_System_AppDomain_InternalSetDomainByID (gint32 domainid)
2069 {
2070 MonoDomain *current_domain = mono_domain_get ();
2071 MonoDomain *domain = mono_domain_get_by_id (domainid);
2072
2073 MONO_ARCH_SAVE_REGS;
2074
2075 if (!domain || !mono_domain_set (domain, FALSE))
2076 mono_raise_exception (mono_get_exception_appdomain_unloaded ());
2077
2078 return current_domain->domain;
2079 }
2080
2081 void
2082 ves_icall_System_AppDomain_InternalPushDomainRef (MonoAppDomain *ad)
2083 {
2084 MONO_ARCH_SAVE_REGS;
2085
2086 mono_thread_push_appdomain_ref (ad->data);
2087 }
2088
2089 void
2090 ves_icall_System_AppDomain_InternalPushDomainRefByID (gint32 domain_id)
2091 {
2092 MonoDomain *domain = mono_domain_get_by_id (domain_id);
2093
2094 MONO_ARCH_SAVE_REGS;
2095
2096 if (!domain)
2097 /*
2098 * Raise an exception to prevent the managed code from executing a pop
2099 * later.
2100 */
2101 mono_raise_exception (mono_get_exception_appdomain_unloaded ());
2102
2103 mono_thread_push_appdomain_ref (domain);
2104 }
2105
2106 void
2107 ves_icall_System_AppDomain_InternalPopDomainRef (void)
2108 {
2109 MONO_ARCH_SAVE_REGS;
2110
2111 mono_thread_pop_appdomain_ref ();
2112 }
2113
2114 MonoAppContext *
2115 ves_icall_System_AppDomain_InternalGetContext ()
2116 {
2117 MONO_ARCH_SAVE_REGS;
2118
2119 return mono_context_get ();
2120 }
2121
2122 MonoAppContext *
2123 ves_icall_System_AppDomain_InternalGetDefaultContext ()
2124 {
2125 MONO_ARCH_SAVE_REGS;
2126
2127 return mono_domain_get ()->default_context;
2128 }
2129
2130 MonoAppContext *
2131 ves_icall_System_AppDomain_InternalSetContext (MonoAppContext *mc)
2132 {
2133 MonoAppContext *old_context = mono_context_get ();
2134
2135 MONO_ARCH_SAVE_REGS;
2136
2137 mono_context_set (mc);
2138
2139 return old_context;
2140 }
2141
2142 MonoString *
2143 ves_icall_System_AppDomain_InternalGetProcessGuid (MonoString* newguid)
2144 {
2145 MonoDomain* mono_root_domain = mono_get_root_domain ();
2146 mono_domain_lock (mono_root_domain);
2147 if (process_guid_set) {
2148 mono_domain_unlock (mono_root_domain);
2149 return mono_string_new_utf16 (mono_domain_get (), process_guid, sizeof(process_guid)/2);
2150 }
2151 memcpy (process_guid, mono_string_chars(newguid), sizeof(process_guid));
2152 process_guid_set = TRUE;
2153 mono_domain_unlock (mono_root_domain);
2154 return newguid;
2155 }
2156
2157 gboolean
2158 mono_domain_is_unloading (MonoDomain *domain)
2159 {
2160 if (domain->state == MONO_APPDOMAIN_UNLOADING || domain->state == MONO_APPDOMAIN_UNLOADED)
2161 return TRUE;
2162 else
2163 return FALSE;
2164 }
2165
2166 static void
2167 clear_cached_vtable (MonoVTable *vtable)
2168 {
2169 MonoClass *klass = vtable->klass;
2170 MonoDomain *domain = vtable->domain;
2171 MonoClassRuntimeInfo *runtime_info;
2172 void *data;
2173
2174 runtime_info = klass->runtime_info;
2175 if (runtime_info && runtime_info->max_domain >= domain->domain_id)
2176 runtime_info->domain_vtables [domain->domain_id] = NULL;
2177 if (klass->has_static_refs && (data = mono_vtable_get_static_field_data (vtable)))
2178 mono_gc_free_fixed (data);
2179 }
2180
2181 static G_GNUC_UNUSED void
2182 zero_static_data (MonoVTable *vtable)
2183 {
2184 MonoClass *klass = vtable->klass;
2185 void *data;
2186
2187 if (klass->has_static_refs && (data = mono_vtable_get_static_field_data (vtable)))
2188 mono_gc_bzero (data, mono_class_data_size (klass));
2189 }
2190
2191 typedef struct unload_data {
2192 MonoDomain *domain;
2193 char *failure_reason;
2194 } unload_data;
2195
2196 static void
2197 deregister_reflection_info_roots_nspace_table (gpointer key, gpointer value, gpointer image)
2198 {
2199 guint32 index = GPOINTER_TO_UINT (value);
2200 MonoClass *class = mono_class_get (image, MONO_TOKEN_TYPE_DEF | index);
2201
2202 g_assert (class);
2203
2204 mono_class_free_ref_info (class);
2205 }
2206
2207 static void
2208 deregister_reflection_info_roots_name_space (gpointer key, gpointer value, gpointer user_data)
2209 {
2210 g_hash_table_foreach (value, deregister_reflection_info_roots_nspace_table, user_data);
2211 }
2212
2213 static void
2214 deregister_reflection_info_roots_from_list (MonoImage *image)
2215 {
2216 GSList *list = image->reflection_info_unregister_classes;
2217
2218 while (list) {
2219 MonoClass *class = list->data;
2220
2221 mono_class_free_ref_info (class);
2222
2223 list = list->next;
2224 }
2225
2226 g_slist_free (image->reflection_info_unregister_classes);
2227 image->reflection_info_unregister_classes = NULL;
2228 }
2229
2230 static void
2231 deregister_reflection_info_roots (MonoDomain *domain)
2232 {
2233 GSList *list;
2234
2235 mono_loader_lock ();
2236 mono_domain_assemblies_lock (domain);
2237 for (list = domain->domain_assemblies; list; list = list->next) {
2238 MonoAssembly *assembly = list->data;
2239 MonoImage *image = assembly->image;
2240 int i;
2241 /*No need to take the image lock here since dynamic images are appdomain bound and at this point the mutator is gone.*/
2242 if (image->dynamic && image->name_cache)
2243 g_hash_table_foreach (image->name_cache, deregister_reflection_info_roots_name_space, image);
2244 deregister_reflection_info_roots_from_list (image);
2245 for (i = 0; i < image->module_count; ++i) {
2246 MonoImage *module = image->modules [i];
2247 if (module) {
2248 if (module->dynamic && module->name_cache) {
2249 g_hash_table_foreach (module->name_cache,
2250 deregister_reflection_info_roots_name_space, module);
2251 }
2252 deregister_reflection_info_roots_from_list (module);
2253 }
2254 }
2255 }
2256 mono_domain_assemblies_unlock (domain);
2257 mono_loader_unlock ();
2258 }
2259
2260 static guint32 WINAPI
2261 unload_thread_main (void *arg)
2262 {
2263 unload_data *data = (unload_data*)arg;
2264 MonoDomain *domain = data->domain;
2265 MonoThread *thread;
2266 int i;
2267
2268 /* Have to attach to the runtime so shutdown can wait for this thread */
2269 thread = mono_thread_attach (mono_get_root_domain ());
2270
2271 /*
2272 * FIXME: Abort our parent thread last, so we can return a failure
2273 * indication if aborting times out.
2274 */
2275 if (!mono_threads_abort_appdomain_threads (domain, -1)) {
2276 data->failure_reason = g_strdup_printf ("Aborting of threads in domain %s timed out.", domain->friendly_name);
2277 return 1;
2278 }
2279
2280 if (!mono_thread_pool_remove_domain_jobs (domain, -1)) {
2281 data->failure_reason = g_strdup_printf ("Cleanup of threadpool jobs of domain %s timed out.", domain->friendly_name);
2282 return 1;
2283 }
2284
2285 /* Finalize all finalizable objects in the doomed appdomain */
2286 if (!mono_domain_finalize (domain, -1)) {
2287 data->failure_reason = g_strdup_printf ("Finalization of domain %s timed out.", domain->friendly_name);
2288 return 1;
2289 }
2290
2291 /* Clear references to our vtables in class->runtime_info.
2292 * We also hold the loader lock because we're going to change
2293 * class->runtime_info.
2294 */
2295
2296 mono_loader_lock ();
2297 mono_domain_lock (domain);
2298 #ifdef HAVE_SGEN_GC
2299 /*
2300 * We need to make sure that we don't have any remsets
2301 * pointing into static data of the to-be-freed domain because
2302 * at the next collections they would be invalid. So what we
2303 * do is we first zero all static data and then do a minor
2304 * collection. Because all references in the static data will
2305 * now be null we won't do any unnecessary copies and after
2306 * the collection there won't be any more remsets.
2307 */
2308 for (i = 0; i < domain->class_vtable_array->len; ++i)
2309 zero_static_data (g_ptr_array_index (domain->class_vtable_array, i));
2310 mono_gc_collect (0);
2311 #endif
2312 for (i = 0; i < domain->class_vtable_array->len; ++i)
2313 clear_cached_vtable (g_ptr_array_index (domain->class_vtable_array, i));
2314 deregister_reflection_info_roots (domain);
2315
2316 mono_assembly_cleanup_domain_bindings (domain->domain_id);
2317
2318 mono_domain_unlock (domain);
2319 mono_loader_unlock ();
2320
2321 mono_threads_clear_cached_culture (domain);
2322
2323 domain->state = MONO_APPDOMAIN_UNLOADED;
2324
2325 /* printf ("UNLOADED %s.\n", domain->friendly_name); */
2326
2327 /* remove from the handle table the items related to this domain */
2328 mono_gchandle_free_domain (domain);
2329
2330 mono_domain_free (domain, FALSE);
2331
2332 mono_gc_collect (mono_gc_max_generation ());
2333
2334 mono_thread_detach (thread);
2335
2336 return 0;
2337 }
2338
2339 /*
2340 * mono_domain_unload:
2341 * @domain: The domain to unload
2342 *
2343 * Unloads an appdomain. Follows the process outlined in the comment
2344 * for mono_domain_try_unload.
2345 */
2346 void
2347 mono_domain_unload (MonoDomain *domain)
2348 {
2349 MonoObject *exc = NULL;
2350 mono_domain_try_unload (domain, &exc);
2351 if (exc)
2352 mono_raise_exception ((MonoException*)exc);
2353 }
2354
2355 /*
2356 * mono_domain_unload:
2357 * @domain: The domain to unload
2358 * @exc: Exception information
2359 *
2360 * Unloads an appdomain. Follows the process outlined in:
2361 * http://blogs.gotdotnet.com/cbrumme
2362 *
2363 * If doing things the 'right' way is too hard or complex, we do it the
2364 * 'simple' way, which means do everything needed to avoid crashes and
2365 * memory leaks, but not much else.
2366 *
2367 * It is required to pass a valid reference to the exc argument, upon return
2368 * from this function *exc will be set to the exception thrown, if any.
2369 *
2370 * If this method is not called from an icall (embedded scenario for instance),
2371 * it must not be called with any managed frames on the stack, since the unload
2372 * process could end up trying to abort the current thread.
2373 */
2374 void
2375 mono_domain_try_unload (MonoDomain *domain, MonoObject **exc)
2376 {
2377 HANDLE thread_handle;
2378 gsize tid;
2379 guint32 res;
2380 MonoAppDomainState prev_state;
2381 MonoMethod *method;
2382 unload_data thread_data;
2383 MonoDomain *caller_domain = mono_domain_get ();
2384
2385 /* printf ("UNLOAD STARTING FOR %s (%p) IN THREAD 0x%x.\n", domain->friendly_name, domain, GetCurrentThreadId ()); */
2386
2387 /* Atomically change our state to UNLOADING */
2388 prev_state = InterlockedCompareExchange ((gint32*)&domain->state,
2389 MONO_APPDOMAIN_UNLOADING_START,
2390 MONO_APPDOMAIN_CREATED);
2391 if (prev_state != MONO_APPDOMAIN_CREATED) {
2392 switch (prev_state) {
2393 case MONO_APPDOMAIN_UNLOADING_START:
2394 case MONO_APPDOMAIN_UNLOADING:
2395 *exc = (MonoObject *) mono_get_exception_cannot_unload_appdomain ("Appdomain is already being unloaded.");
2396 return;
2397 case MONO_APPDOMAIN_UNLOADED:
2398 *exc = (MonoObject *) mono_get_exception_cannot_unload_appdomain ("Appdomain is already unloaded.");
2399 return;
2400 default:
2401 g_warning ("Invalid appdomain state %d", prev_state);
2402 g_assert_not_reached ();
2403 }
2404 }
2405
2406 mono_debugger_event_unload_appdomain (domain);
2407
2408 mono_domain_set (domain, FALSE);
2409 /* Notify OnDomainUnload listeners */
2410 method = mono_class_get_method_from_name (domain->domain->mbr.obj.vtable->klass, "DoDomainUnload", -1);
2411 g_assert (method);
2412
2413 mono_runtime_invoke (method, domain->domain, NULL, exc);
2414 if (*exc) {
2415 /* Roll back the state change */
2416 domain->state = MONO_APPDOMAIN_CREATED;
2417 mono_domain_set (caller_domain, FALSE);
2418 return;
2419 }
2420 mono_domain_set (caller_domain, FALSE);
2421
2422 thread_data.domain = domain;
2423 thread_data.failure_reason = NULL;
2424
2425 /*The managed callback finished successfully, now we start tearing down the appdomain*/
2426 domain->state = MONO_APPDOMAIN_UNLOADING;
2427 /*
2428 * First we create a separate thread for unloading, since
2429 * we might have to abort some threads, including the current one.
2430 */
2431 /*
2432 * If we create a non-suspended thread, the runtime will hang.
2433 * See:
2434 * http://bugzilla.ximian.com/show_bug.cgi?id=27663
2435 */
2436 #if 0
2437 thread_handle = mono_create_thread (NULL, 0, unload_thread_main, &thread_data, 0, &tid);
2438 #else
2439 thread_handle = mono_create_thread (NULL, 0, (LPTHREAD_START_ROUTINE)unload_thread_main, &thread_data, CREATE_SUSPENDED, &tid);
2440 if (thread_handle == NULL) {
2441 return;
2442 }
2443 ResumeThread (thread_handle);
2444 #endif
2445
2446 /* Wait for the thread */
2447 while ((res = WaitForSingleObjectEx (thread_handle, INFINITE, TRUE) == WAIT_IO_COMPLETION)) {
2448 if (mono_thread_internal_has_appdomain_ref (mono_thread_internal_current (), domain) && (mono_thread_interruption_requested ())) {
2449 /* The unload thread tries to abort us */
2450 /* The icall wrapper will execute the abort */
2451 CloseHandle (thread_handle);
2452 return;
2453 }
2454 }
2455 CloseHandle (thread_handle);
2456
2457 if (thread_data.failure_reason) {
2458 /* Roll back the state change */
2459 domain->state = MONO_APPDOMAIN_CREATED;
2460
2461 g_warning ("%s", thread_data.failure_reason);
2462
2463 *exc = (MonoObject *) mono_get_exception_cannot_unload_appdomain (thread_data.failure_reason);
2464
2465 g_free (thread_data.failure_reason);
2466 thread_data.failure_reason = NULL;
2467 }
2468 }