2 * assembly.c: Routines for loading assemblies.
5 * Miguel de Icaza (miguel@ximian.com)
7 * Copyright 2001-2003 Ximian, Inc (http://www.ximian.com)
8 * Copyright 2004-2009 Novell, Inc (http://www.novell.com)
9 * Copyright 2011 Xamarin, Inc (http://www.xamarin.com)
19 #include "object-internals.h"
20 #include <mono/metadata/loader.h>
21 #include <mono/metadata/tabledefs.h>
22 #include <mono/metadata/metadata-internals.h>
23 #include <mono/metadata/profiler-private.h>
24 #include <mono/metadata/class-internals.h>
25 #include <mono/metadata/domain-internals.h>
26 #include <mono/metadata/mono-endian.h>
27 #include <mono/metadata/mono-debug.h>
28 #include <mono/io-layer/io-layer.h>
29 #include <mono/utils/mono-uri.h>
30 #include <mono/metadata/mono-config.h>
31 #include <mono/metadata/mono-config-dirs.h>
32 #include <mono/utils/mono-digest.h>
33 #include <mono/utils/mono-logger-internal.h>
34 #include <mono/utils/mono-path.h>
35 #include <mono/metadata/reflection.h>
36 #include <mono/metadata/coree.h>
37 #include <mono/metadata/cil-coff.h>
38 #include <mono/utils/mono-io-portability.h>
39 #include <mono/utils/atomic.h>
40 #include <mono/utils/mono-mutex.h>
43 #include <sys/types.h>
48 #ifdef PLATFORM_MACOSX
49 #include <mach-o/dyld.h>
52 /* AssemblyVersionMap: an assembly name and the assembly version set on which it is based */
54 const char* assembly_name;
55 guint8 version_set_index;
58 /* the default search path is empty, the first slot is replaced with the computed value */
66 /* Contains the list of directories to be searched for assemblies (MONO_PATH) */
67 static char **assemblies_path = NULL;
69 /* Contains the list of directories that point to auxiliary GACs */
70 static char **extra_gac_paths = NULL;
72 #ifndef DISABLE_ASSEMBLY_REMAPPING
73 /* The list of system assemblies what will be remapped to the running
74 * runtime version. WARNING: this list must be sorted.
75 * The integer number is an index in the MonoRuntimeInfo structure, whose
76 * values can be found in domain.c - supported_runtimes. Look there
77 * to understand what remapping will be made.
79 static const AssemblyVersionMap framework_assemblies [] = {
81 {"Commons.Xml.Relaxng", 0},
88 {"Microsoft.VisualBasic", 1},
89 {"Microsoft.VisualC", 1},
91 {"Mono.CompilerServices.SymbolWriter", 0},
93 {"Mono.Data.SybaseClient", 0},
95 {"Mono.Data.TdsClient", 0},
96 {"Mono.GetOptions", 0},
100 {"Mono.Security.Win32", 0},
102 {"Novell.Directory.Ldap", 0},
106 {"System.ComponentModel.DataAnnotations", 2},
107 {"System.Configuration", 0},
108 {"System.Configuration.Install", 0},
111 {"System.Data.Linq", 2},
112 {"System.Data.OracleClient", 0},
113 {"System.Data.Services", 2},
114 {"System.Data.Services.Client", 2},
115 {"System.Data.SqlXml", 0},
116 {"System.Design", 0},
117 {"System.DirectoryServices", 0},
118 {"System.Drawing", 0},
119 {"System.Drawing.Design", 0},
120 {"System.EnterpriseServices", 0},
121 {"System.Management", 0},
122 {"System.Messaging", 0},
124 {"System.Runtime.Remoting", 0},
125 {"System.Runtime.Serialization", 3},
126 {"System.Runtime.Serialization.Formatters.Soap", 0},
127 {"System.Security", 0},
128 {"System.ServiceModel.Web", 2},
129 {"System.ServiceProcess", 0},
130 {"System.Transactions", 0},
132 {"System.Web.Abstractions", 2},
133 {"System.Web.DynamicData", 2},
134 {"System.Web.Extensions", 2},
135 {"System.Web.Mobile", 0},
136 {"System.Web.Routing", 2},
137 {"System.Web.Services", 0},
138 {"System.Windows.Forms", 0},
140 {"System.Xml.Linq", 2},
147 * keeps track of loaded assemblies
149 static GList *loaded_assemblies = NULL;
150 static MonoAssembly *corlib;
152 #if defined(__native_client__)
154 /* On Native Client, allow mscorlib to be loaded from memory */
155 /* instead of loaded off disk. If these are not set, default */
156 /* mscorlib loading will take place */
158 /* NOTE: If mscorlib data is passed to mono in this way then */
159 /* it needs to remain allocated during the use of mono. */
161 static void *corlibData = NULL;
162 static size_t corlibSize = 0;
165 mono_set_corlib_data (void *data, size_t size)
173 /* This protects loaded_assemblies and image->references */
174 #define mono_assemblies_lock() mono_mutex_lock (&assemblies_mutex)
175 #define mono_assemblies_unlock() mono_mutex_unlock (&assemblies_mutex)
176 static mono_mutex_t assemblies_mutex;
178 /* If defined, points to the bundled assembly information */
179 const MonoBundledAssembly **bundles;
181 static mono_mutex_t assembly_binding_mutex;
183 /* Loaded assembly binding info */
184 static GSList *loaded_assembly_bindings = NULL;
187 mono_assembly_invoke_search_hook_internal (MonoAssemblyName *aname, MonoAssembly *requesting, gboolean refonly, gboolean postload);
189 mono_assembly_load_full_internal (MonoAssemblyName *aname, MonoAssembly *requesting, const char *basedir, MonoImageOpenStatus *status, gboolean refonly);
191 mono_assembly_is_in_gac (const gchar *filanem);
194 encode_public_tok (const guchar *token, gint32 len)
196 const static gchar allowed [] = { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f' };
200 res = g_malloc (len * 2 + 1);
201 for (i = 0; i < len; i++) {
202 res [i * 2] = allowed [token [i] >> 4];
203 res [i * 2 + 1] = allowed [token [i] & 0xF];
210 * mono_public_tokens_are_equal:
211 * @pubt1: first public key token
212 * @pubt2: second public key token
214 * Compare two public key tokens and return #TRUE is they are equal and #FALSE
218 mono_public_tokens_are_equal (const unsigned char *pubt1, const unsigned char *pubt2)
220 return memcmp (pubt1, pubt2, 16) == 0;
224 * mono_set_assemblies_path:
225 * @path: list of paths that contain directories where Mono will look for assemblies
227 * Use this method to override the standard assembly lookup system and
228 * override any assemblies coming from the GAC. This is the method
229 * that supports the MONO_PATH variable.
231 * Notice that MONO_PATH and this method are really a very bad idea as
232 * it prevents the GAC from working and it prevents the standard
233 * resolution mechanisms from working. Nonetheless, for some debugging
234 * situations and bootstrapping setups, this is useful to have.
237 mono_set_assemblies_path (const char* path)
239 char **splitted, **dest;
241 splitted = g_strsplit (path, G_SEARCHPATH_SEPARATOR_S, 1000);
243 g_strfreev (assemblies_path);
244 assemblies_path = dest = splitted;
246 char *tmp = *splitted;
248 *dest++ = mono_path_canonicalize (tmp);
254 if (g_getenv ("MONO_DEBUG") == NULL)
257 splitted = assemblies_path;
259 if (**splitted && !g_file_test (*splitted, G_FILE_TEST_IS_DIR))
260 g_warning ("'%s' in MONO_PATH doesn't exist or has wrong permissions.", *splitted);
266 /* Native Client can't get this info from an environment variable so */
267 /* it's passed in to the runtime, or set manually by embedding code. */
268 #ifdef __native_client__
269 char* nacl_mono_path = NULL;
273 check_path_env (void)
276 path = g_getenv ("MONO_PATH");
277 #ifdef __native_client__
279 path = nacl_mono_path;
281 if (!path || assemblies_path != NULL)
284 mono_set_assemblies_path(path);
288 check_extra_gac_path_env (void) {
290 char **splitted, **dest;
292 path = g_getenv ("MONO_GAC_PREFIX");
296 splitted = g_strsplit (path, G_SEARCHPATH_SEPARATOR_S, 1000);
298 g_strfreev (extra_gac_paths);
299 extra_gac_paths = dest = splitted;
307 if (g_getenv ("MONO_DEBUG") == NULL)
311 if (**splitted && !g_file_test (*splitted, G_FILE_TEST_IS_DIR))
312 g_warning ("'%s' in MONO_GAC_PREFIX doesn't exist or has wrong permissions.", *splitted);
319 assembly_binding_maps_name (MonoAssemblyBindingInfo *info, MonoAssemblyName *aname)
321 if (!info || !info->name)
324 if (strcmp (info->name, aname->name))
327 if (info->major != aname->major || info->minor != aname->minor)
330 if ((info->culture != NULL && info->culture [0]) != (aname->culture != NULL && aname->culture [0]))
333 if (info->culture && aname->culture && strcmp (info->culture, aname->culture))
336 if (!mono_public_tokens_are_equal (info->public_key_token, aname->public_key_token))
343 mono_assembly_binding_info_free (MonoAssemblyBindingInfo *info)
349 g_free (info->culture);
353 get_publisher_policy_info (MonoImage *image, MonoAssemblyName *aname, MonoAssemblyBindingInfo *binding_info)
356 guint32 cols [MONO_MANIFEST_SIZE];
357 const gchar *filename;
358 gchar *subpath, *fullpath;
360 t = &image->tables [MONO_TABLE_MANIFESTRESOURCE];
361 /* MS Impl. accepts policy assemblies with more than
362 * one manifest resource, and only takes the first one */
364 binding_info->is_valid = FALSE;
368 mono_metadata_decode_row (t, 0, cols, MONO_MANIFEST_SIZE);
369 if ((cols [MONO_MANIFEST_IMPLEMENTATION] & MONO_IMPLEMENTATION_MASK) != MONO_IMPLEMENTATION_FILE) {
370 binding_info->is_valid = FALSE;
374 filename = mono_metadata_string_heap (image, cols [MONO_MANIFEST_NAME]);
375 g_assert (filename != NULL);
377 subpath = g_path_get_dirname (image->name);
378 fullpath = g_build_path (G_DIR_SEPARATOR_S, subpath, filename, NULL);
379 mono_config_parse_publisher_policy (fullpath, binding_info);
383 /* Define the optional elements/attributes before checking */
384 if (!binding_info->culture)
385 binding_info->culture = g_strdup ("");
387 /* Check that the most important elements/attributes exist */
388 if (!binding_info->name || !binding_info->public_key_token [0] || !binding_info->has_old_version_bottom ||
389 !binding_info->has_new_version || !assembly_binding_maps_name (binding_info, aname)) {
390 mono_assembly_binding_info_free (binding_info);
391 binding_info->is_valid = FALSE;
395 binding_info->is_valid = TRUE;
399 compare_versions (AssemblyVersionSet *v, MonoAssemblyName *aname)
401 if (v->major > aname->major)
403 else if (v->major < aname->major)
406 if (v->minor > aname->minor)
408 else if (v->minor < aname->minor)
411 if (v->build > aname->build)
413 else if (v->build < aname->build)
416 if (v->revision > aname->revision)
418 else if (v->revision < aname->revision)
425 check_policy_versions (MonoAssemblyBindingInfo *info, MonoAssemblyName *name)
430 /* If has_old_version_top doesn't exist, we don't have an interval */
431 if (!info->has_old_version_top) {
432 if (compare_versions (&info->old_version_bottom, name) == 0)
438 /* Check that the version defined by name is valid for the interval */
439 if (compare_versions (&info->old_version_top, name) < 0)
442 /* We should be greater or equal than the small version */
443 if (compare_versions (&info->old_version_bottom, name) > 0)
450 * mono_assembly_names_equal:
452 * @r: second assembly.
454 * Compares two MonoAssemblyNames and returns whether they are equal.
456 * This compares the names, the cultures, the release version and their
459 * Returns: TRUE if both assembly names are equal.
462 mono_assembly_names_equal (MonoAssemblyName *l, MonoAssemblyName *r)
464 if (!l->name || !r->name)
467 if (strcmp (l->name, r->name))
470 if (l->culture && r->culture && strcmp (l->culture, r->culture))
473 if (l->major != r->major || l->minor != r->minor ||
474 l->build != r->build || l->revision != r->revision)
475 if (! ((l->major == 0 && l->minor == 0 && l->build == 0 && l->revision == 0) || (r->major == 0 && r->minor == 0 && r->build == 0 && r->revision == 0)))
478 if (!l->public_key_token [0] || !r->public_key_token [0])
481 if (!mono_public_tokens_are_equal (l->public_key_token, r->public_key_token))
487 static MonoAssembly *
488 load_in_path (const char *basename, const char** search_path, MonoImageOpenStatus *status, MonoBoolean refonly)
492 MonoAssembly *result;
494 for (i = 0; search_path [i]; ++i) {
495 fullpath = g_build_filename (search_path [i], basename, NULL);
496 result = mono_assembly_open_full (fullpath, status, refonly);
505 * mono_assembly_setrootdir:
506 * @root_dir: The pathname of the root directory where we will locate assemblies
508 * This routine sets the internal default root directory for looking up
511 * This is used by Windows installations to compute dynamically the
512 * place where the Mono assemblies are located.
516 mono_assembly_setrootdir (const char *root_dir)
519 * Override the MONO_ASSEMBLIES directory configured at compile time.
521 /* Leak if called more than once */
522 default_path [0] = g_strdup (root_dir);
526 * mono_assembly_getrootdir:
528 * Obtains the root directory used for looking up assemblies.
530 * Returns: a string with the directory, this string should not be freed.
532 G_CONST_RETURN gchar *
533 mono_assembly_getrootdir (void)
535 return default_path [0];
540 * @assembly_dir: the base directory for assemblies
541 * @config_dir: the base directory for configuration files
543 * This routine is used internally and by developers embedding
544 * the runtime into their own applications.
546 * There are a number of cases to consider: Mono as a system-installed
547 * package that is available on the location preconfigured or Mono in
548 * a relocated location.
550 * If you are using a system-installed Mono, you can pass NULL
551 * to both parameters. If you are not, you should compute both
552 * directory values and call this routine.
554 * The values for a given PREFIX are:
556 * assembly_dir: PREFIX/lib
557 * config_dir: PREFIX/etc
559 * Notice that embedders that use Mono in a relocated way must
560 * compute the location at runtime, as they will be in control
561 * of where Mono is installed.
564 mono_set_dirs (const char *assembly_dir, const char *config_dir)
566 if (assembly_dir == NULL)
567 assembly_dir = mono_config_get_assemblies_dir ();
568 if (config_dir == NULL)
569 config_dir = mono_config_get_cfg_dir ();
570 mono_assembly_setrootdir (assembly_dir);
571 mono_set_config_dir (config_dir);
577 compute_base (char *path)
579 char *p = strrchr (path, '/');
583 /* Not a well known Mono executable, we are embedded, cant guess the base */
584 if (strcmp (p, "/mono") && strcmp (p, "/mono-boehm") && strcmp (p, "/mono-sgen") && strcmp (p, "/pedump") && strcmp (p, "/monodis"))
588 p = strrchr (path, '/');
592 if (strcmp (p, "/bin") != 0)
601 mono_set_dirs (mono_config_get_assemblies_dir (), mono_config_get_cfg_dir ());
604 static G_GNUC_UNUSED void
608 char *config, *lib, *mono;
613 * Only /usr prefix is treated specially
615 bindir = mono_config_get_bin_dir ();
617 if (strncmp (exe, bindir, strlen (bindir)) == 0 || (base = compute_base (exe)) == NULL){
622 config = g_build_filename (base, "etc", NULL);
623 lib = g_build_filename (base, "lib", NULL);
624 mono = g_build_filename (lib, "mono/2.0", NULL);
625 if (stat (mono, &buf) == -1)
628 mono_set_dirs (lib, config);
636 #endif /* HOST_WIN32 */
641 * Registers the root directory for the Mono runtime, for Linux and Solaris 10,
642 * this auto-detects the prefix where Mono was installed.
645 mono_set_rootdir (void)
647 #if defined(HOST_WIN32) || (defined(PLATFORM_MACOSX) && !defined(TARGET_ARM))
648 gchar *bindir, *installdir, *root, *name, *resolvedname, *config;
651 name = mono_get_module_file_name ((HMODULE) &__ImageBase);
655 * _NSGetExecutablePath may return -1 to indicate buf is not large
656 * enough, but we ignore that case to avoid having to do extra dynamic
657 * allocation for the path and hope that 4096 is enough - this is
658 * ok in the Linux/Solaris case below at least...
662 guint buf_size = sizeof (buf);
665 if (_NSGetExecutablePath (buf, &buf_size) == 0)
666 name = g_strdup (buf);
675 resolvedname = mono_path_resolve_symlinks (name);
677 bindir = g_path_get_dirname (resolvedname);
678 installdir = g_path_get_dirname (bindir);
679 root = g_build_path (G_DIR_SEPARATOR_S, installdir, "lib", NULL);
681 config = g_build_filename (root, "..", "etc", NULL);
683 mono_set_dirs (root, config);
685 if (g_file_test (root, G_FILE_TEST_EXISTS) && g_file_test (config, G_FILE_TEST_EXISTS))
686 mono_set_dirs (root, config);
696 g_free (resolvedname);
697 #elif defined(DISABLE_MONO_AUTODETECTION)
705 s = readlink ("/proc/self/exe", buf, sizeof (buf)-1);
713 /* Solaris 10 style */
714 str = g_strdup_printf ("/proc/%d/path/a.out", getpid ());
715 s = readlink (str, buf, sizeof (buf)-1);
727 * mono_assemblies_init:
729 * Initialize global variables used by this module.
732 mono_assemblies_init (void)
735 * Initialize our internal paths if we have not been initialized yet.
736 * This happens when embedders use Mono.
738 if (mono_assembly_getrootdir () == NULL)
742 check_extra_gac_path_env ();
744 mono_mutex_init_recursive (&assemblies_mutex);
745 mono_mutex_init (&assembly_binding_mutex);
749 mono_assembly_binding_lock (void)
751 mono_locks_mutex_acquire (&assembly_binding_mutex, AssemblyBindingLock);
755 mono_assembly_binding_unlock (void)
757 mono_locks_mutex_release (&assembly_binding_mutex, AssemblyBindingLock);
761 mono_assembly_fill_assembly_name (MonoImage *image, MonoAssemblyName *aname)
763 MonoTableInfo *t = &image->tables [MONO_TABLE_ASSEMBLY];
764 guint32 cols [MONO_ASSEMBLY_SIZE];
765 gint32 machine, flags;
770 mono_metadata_decode_row (t, 0, cols, MONO_ASSEMBLY_SIZE);
773 aname->hash_value = NULL;
774 aname->name = mono_metadata_string_heap (image, cols [MONO_ASSEMBLY_NAME]);
775 aname->culture = mono_metadata_string_heap (image, cols [MONO_ASSEMBLY_CULTURE]);
776 aname->flags = cols [MONO_ASSEMBLY_FLAGS];
777 aname->major = cols [MONO_ASSEMBLY_MAJOR_VERSION];
778 aname->minor = cols [MONO_ASSEMBLY_MINOR_VERSION];
779 aname->build = cols [MONO_ASSEMBLY_BUILD_NUMBER];
780 aname->revision = cols [MONO_ASSEMBLY_REV_NUMBER];
781 aname->hash_alg = cols [MONO_ASSEMBLY_HASH_ALG];
782 if (cols [MONO_ASSEMBLY_PUBLIC_KEY]) {
783 guchar* token = g_malloc (8);
788 pkey = mono_metadata_blob_heap (image, cols [MONO_ASSEMBLY_PUBLIC_KEY]);
789 len = mono_metadata_decode_blob_size (pkey, &pkey);
790 aname->public_key = (guchar*)pkey;
792 mono_digest_get_public_token (token, aname->public_key, len);
793 encoded = encode_public_tok (token, 8);
794 g_strlcpy ((char*)aname->public_key_token, encoded, MONO_PUBLIC_KEY_TOKEN_LENGTH);
800 aname->public_key = NULL;
801 memset (aname->public_key_token, 0, MONO_PUBLIC_KEY_TOKEN_LENGTH);
804 if (cols [MONO_ASSEMBLY_PUBLIC_KEY]) {
805 aname->public_key = (guchar*)mono_metadata_blob_heap (image, cols [MONO_ASSEMBLY_PUBLIC_KEY]);
808 aname->public_key = 0;
810 machine = ((MonoCLIImageInfo*)(image->image_info))->cli_header.coff.coff_machine;
811 flags = ((MonoCLIImageInfo*)(image->image_info))->cli_cli_header.ch_flags;
813 case COFF_MACHINE_I386:
814 /* https://bugzilla.xamarin.com/show_bug.cgi?id=17632 */
815 if (flags & (CLI_FLAGS_32BITREQUIRED|CLI_FLAGS_PREFERRED32BIT))
816 aname->arch = MONO_PROCESSOR_ARCHITECTURE_X86;
817 else if ((flags & 0x70) == 0x70)
818 aname->arch = MONO_PROCESSOR_ARCHITECTURE_NONE;
820 aname->arch = MONO_PROCESSOR_ARCHITECTURE_MSIL;
822 case COFF_MACHINE_IA64:
823 aname->arch = MONO_PROCESSOR_ARCHITECTURE_IA64;
825 case COFF_MACHINE_AMD64:
826 aname->arch = MONO_PROCESSOR_ARCHITECTURE_AMD64;
828 case COFF_MACHINE_ARM:
829 aname->arch = MONO_PROCESSOR_ARCHITECTURE_ARM;
839 * mono_stringify_assembly_name:
840 * @aname: the assembly name.
842 * Convert @aname into its string format. The returned string is dynamically
843 * allocated and should be freed by the caller.
845 * Returns: a newly allocated string with a string representation of
849 mono_stringify_assembly_name (MonoAssemblyName *aname)
851 const char *quote = (aname->name && g_ascii_isspace (aname->name [0])) ? "\"" : "";
853 return g_strdup_printf (
854 "%s%s%s, Version=%d.%d.%d.%d, Culture=%s, PublicKeyToken=%s%s",
855 quote, aname->name, quote,
856 aname->major, aname->minor, aname->build, aname->revision,
857 aname->culture && *aname->culture? aname->culture: "neutral",
858 aname->public_key_token [0] ? (char *)aname->public_key_token : "null",
859 (aname->flags & ASSEMBLYREF_RETARGETABLE_FLAG) ? ", Retargetable=Yes" : "");
863 assemblyref_public_tok (MonoImage *image, guint32 key_index, guint32 flags)
865 const gchar *public_tok;
868 public_tok = mono_metadata_blob_heap (image, key_index);
869 len = mono_metadata_decode_blob_size (public_tok, &public_tok);
871 if (flags & ASSEMBLYREF_FULL_PUBLIC_KEY_FLAG) {
873 mono_digest_get_public_token (token, (guchar*)public_tok, len);
874 return encode_public_tok (token, 8);
877 return encode_public_tok ((guchar*)public_tok, len);
881 * mono_assembly_addref:
882 * @assemnly: the assembly to reference
884 * This routine increments the reference count on a MonoAssembly.
885 * The reference count is reduced every time the method mono_assembly_close() is
889 mono_assembly_addref (MonoAssembly *assembly)
891 InterlockedIncrement (&assembly->ref_count);
895 * CAUTION: This table must be kept in sync with
896 * ivkm/reflect/Fusion.cs
899 #define SILVERLIGHT_KEY "7cec85d7bea7798e"
900 #define WINFX_KEY "31bf3856ad364e35"
901 #define ECMA_KEY "b77a5c561934e089"
902 #define MSFINAL_KEY "b03f5f7f11d50a3a"
910 static KeyRemapEntry key_remap_table[] = {
911 { "Microsoft.CSharp", WINFX_KEY, MSFINAL_KEY },
912 { "System", SILVERLIGHT_KEY, ECMA_KEY },
913 { "System.ComponentModel.Composition", WINFX_KEY, ECMA_KEY },
914 { "System.ComponentModel.DataAnnotations", "ddd0da4d3e678217", WINFX_KEY },
915 { "System.Core", SILVERLIGHT_KEY, ECMA_KEY },
916 // FIXME: MS uses MSFINAL_KEY for .NET 4.5
917 { "System.Net", SILVERLIGHT_KEY, MSFINAL_KEY },
918 { "System.Numerics", WINFX_KEY, ECMA_KEY },
919 { "System.Runtime.Serialization", SILVERLIGHT_KEY, ECMA_KEY },
920 { "System.ServiceModel", WINFX_KEY, ECMA_KEY },
921 { "System.ServiceModel.Web", SILVERLIGHT_KEY, WINFX_KEY },
922 { "System.Windows", SILVERLIGHT_KEY, MSFINAL_KEY },
923 { "System.Xml", SILVERLIGHT_KEY, ECMA_KEY },
924 { "System.Xml.Linq", WINFX_KEY, ECMA_KEY },
925 { "System.Xml.Serialization", WINFX_KEY, ECMA_KEY }
929 remap_keys (MonoAssemblyName *aname)
932 for (i = 0; i < G_N_ELEMENTS (key_remap_table); i++) {
933 const KeyRemapEntry *entry = &key_remap_table [i];
935 if (strcmp (aname->name, entry->name) ||
936 !mono_public_tokens_are_equal (aname->public_key_token, (const unsigned char*) entry->from))
939 memcpy (aname->public_key_token, entry->to, MONO_PUBLIC_KEY_TOKEN_LENGTH);
941 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_ASSEMBLY,
942 "Remapped public key token of retargetable assembly %s from %s to %s",
943 aname->name, entry->from, entry->to);
948 static MonoAssemblyName *
949 mono_assembly_remap_version (MonoAssemblyName *aname, MonoAssemblyName *dest_aname)
951 const MonoRuntimeInfo *current_runtime;
952 int pos, first, last;
954 if (aname->name == NULL) return aname;
956 current_runtime = mono_get_runtime_info ();
958 if (aname->flags & ASSEMBLYREF_RETARGETABLE_FLAG) {
959 const AssemblyVersionSet* vset;
961 /* Remap to current runtime */
962 vset = ¤t_runtime->version_sets [0];
964 memcpy (dest_aname, aname, sizeof(MonoAssemblyName));
965 dest_aname->major = vset->major;
966 dest_aname->minor = vset->minor;
967 dest_aname->build = vset->build;
968 dest_aname->revision = vset->revision;
969 dest_aname->flags &= ~ASSEMBLYREF_RETARGETABLE_FLAG;
971 /* Remap assembly name */
972 if (!strcmp (aname->name, "System.Net"))
973 dest_aname->name = g_strdup ("System");
975 remap_keys (dest_aname);
977 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_ASSEMBLY,
978 "The request to load the retargetable assembly %s v%d.%d.%d.%d was remapped to %s v%d.%d.%d.%d",
980 aname->major, aname->minor, aname->build, aname->revision,
982 vset->major, vset->minor, vset->build, vset->revision
988 #ifndef DISABLE_ASSEMBLY_REMAPPING
990 last = G_N_ELEMENTS (framework_assemblies) - 1;
992 while (first <= last) {
994 pos = first + (last - first) / 2;
995 res = strcmp (aname->name, framework_assemblies[pos].assembly_name);
997 const AssemblyVersionSet* vset;
998 int index = framework_assemblies[pos].version_set_index;
999 g_assert (index < G_N_ELEMENTS (current_runtime->version_sets));
1000 vset = ¤t_runtime->version_sets [index];
1002 if (aname->major == vset->major && aname->minor == vset->minor &&
1003 aname->build == vset->build && aname->revision == vset->revision)
1006 if ((aname->major | aname->minor | aname->build | aname->revision) != 0)
1007 mono_trace (G_LOG_LEVEL_WARNING, MONO_TRACE_ASSEMBLY,
1008 "The request to load the assembly %s v%d.%d.%d.%d was remapped to v%d.%d.%d.%d",
1010 aname->major, aname->minor, aname->build, aname->revision,
1011 vset->major, vset->minor, vset->build, vset->revision
1014 memcpy (dest_aname, aname, sizeof(MonoAssemblyName));
1015 dest_aname->major = vset->major;
1016 dest_aname->minor = vset->minor;
1017 dest_aname->build = vset->build;
1018 dest_aname->revision = vset->revision;
1020 } else if (res < 0) {
1032 * mono_assembly_get_assemblyref:
1034 * Fill out ANAME with the assembly name of the INDEXth assembly reference in IMAGE.
1037 mono_assembly_get_assemblyref (MonoImage *image, int index, MonoAssemblyName *aname)
1040 guint32 cols [MONO_ASSEMBLYREF_SIZE];
1043 t = &image->tables [MONO_TABLE_ASSEMBLYREF];
1045 mono_metadata_decode_row (t, index, cols, MONO_ASSEMBLYREF_SIZE);
1047 hash = mono_metadata_blob_heap (image, cols [MONO_ASSEMBLYREF_HASH_VALUE]);
1048 aname->hash_len = mono_metadata_decode_blob_size (hash, &hash);
1049 aname->hash_value = hash;
1050 aname->name = mono_metadata_string_heap (image, cols [MONO_ASSEMBLYREF_NAME]);
1051 aname->culture = mono_metadata_string_heap (image, cols [MONO_ASSEMBLYREF_CULTURE]);
1052 aname->flags = cols [MONO_ASSEMBLYREF_FLAGS];
1053 aname->major = cols [MONO_ASSEMBLYREF_MAJOR_VERSION];
1054 aname->minor = cols [MONO_ASSEMBLYREF_MINOR_VERSION];
1055 aname->build = cols [MONO_ASSEMBLYREF_BUILD_NUMBER];
1056 aname->revision = cols [MONO_ASSEMBLYREF_REV_NUMBER];
1058 if (cols [MONO_ASSEMBLYREF_PUBLIC_KEY]) {
1059 gchar *token = assemblyref_public_tok (image, cols [MONO_ASSEMBLYREF_PUBLIC_KEY], aname->flags);
1060 g_strlcpy ((char*)aname->public_key_token, token, MONO_PUBLIC_KEY_TOKEN_LENGTH);
1063 memset (aname->public_key_token, 0, MONO_PUBLIC_KEY_TOKEN_LENGTH);
1068 mono_assembly_load_reference (MonoImage *image, int index)
1070 MonoAssembly *reference;
1071 MonoAssemblyName aname;
1072 MonoImageOpenStatus status;
1075 * image->references is shared between threads, so we need to access
1076 * it inside a critical section.
1078 mono_assemblies_lock ();
1079 if (!image->references) {
1080 MonoTableInfo *t = &image->tables [MONO_TABLE_ASSEMBLYREF];
1082 image->references = g_new0 (MonoAssembly *, t->rows + 1);
1083 image->nreferences = t->rows;
1085 reference = image->references [index];
1086 mono_assemblies_unlock ();
1090 mono_assembly_get_assemblyref (image, index, &aname);
1092 if (image->assembly && image->assembly->ref_only) {
1093 /* We use the loaded corlib */
1094 if (!strcmp (aname.name, "mscorlib"))
1095 reference = mono_assembly_load_full_internal (&aname, image->assembly, image->assembly->basedir, &status, FALSE);
1097 reference = mono_assembly_loaded_full (&aname, TRUE);
1099 /* Try a postload search hook */
1100 reference = mono_assembly_invoke_search_hook_internal (&aname, image->assembly, TRUE, TRUE);
1104 * Here we must advice that the error was due to
1105 * a non loaded reference using the ReflectionOnly api
1108 reference = REFERENCE_MISSING;
1110 /* we first try without setting the basedir: this can eventually result in a ResolveAssembly
1111 * event which is the MS .net compatible behaviour (the assemblyresolve_event3.cs test has been fixed
1112 * accordingly, it would fail on the MS runtime before).
1113 * The second load attempt has the basedir set to keep compatibility with the old mono behavior, for
1114 * example bug-349190.2.cs and who knows how much more code in the wild.
1116 reference = mono_assembly_load_full_internal (&aname, image->assembly, NULL, &status, FALSE);
1117 if (!reference && image->assembly)
1118 reference = mono_assembly_load_full_internal (&aname, image->assembly, image->assembly->basedir, &status, FALSE);
1121 if (reference == NULL){
1124 if (status == MONO_IMAGE_ERROR_ERRNO && errno == ENOENT) {
1125 extra_msg = g_strdup_printf ("The assembly was not found in the Global Assembly Cache, a path listed in the MONO_PATH environment variable, or in the location of the executing assembly (%s).\n", image->assembly != NULL ? image->assembly->basedir : "" );
1126 } else if (status == MONO_IMAGE_ERROR_ERRNO) {
1127 extra_msg = g_strdup_printf ("System error: %s\n", strerror (errno));
1128 } else if (status == MONO_IMAGE_MISSING_ASSEMBLYREF) {
1129 extra_msg = g_strdup ("Cannot find an assembly referenced from this one.\n");
1130 } else if (status == MONO_IMAGE_IMAGE_INVALID) {
1131 extra_msg = g_strdup ("The file exists but is not a valid assembly.\n");
1133 extra_msg = g_strdup ("");
1136 mono_trace (G_LOG_LEVEL_WARNING, MONO_TRACE_ASSEMBLY, "The following assembly referenced from %s could not be loaded:\n"
1137 " Assembly: %s (assemblyref_index=%d)\n"
1138 " Version: %d.%d.%d.%d\n"
1139 " Public Key: %s\n%s",
1140 image->name, aname.name, index,
1141 aname.major, aname.minor, aname.build, aname.revision,
1142 strlen ((char*)aname.public_key_token) == 0 ? "(none)" : (char*)aname.public_key_token, extra_msg);
1146 mono_assemblies_lock ();
1147 if (reference == NULL) {
1148 /* Flag as not found */
1149 reference = REFERENCE_MISSING;
1152 if (!image->references [index]) {
1153 if (reference != REFERENCE_MISSING){
1154 mono_assembly_addref (reference);
1155 if (image->assembly)
1156 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_ASSEMBLY, "Assembly Ref addref %s[%p] -> %s[%p]: %d",
1157 image->assembly->aname.name, image->assembly, reference->aname.name, reference, reference->ref_count);
1159 if (image->assembly)
1160 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_ASSEMBLY, "Failed to load assembly %s[%p]\n",
1161 image->assembly->aname.name, image->assembly);
1164 image->references [index] = reference;
1166 mono_assemblies_unlock ();
1168 if (image->references [index] != reference) {
1169 /* Somebody loaded it before us */
1170 mono_assembly_close (reference);
1175 mono_assembly_load_references (MonoImage *image, MonoImageOpenStatus *status)
1177 /* This is a no-op now but it is part of the embedding API so we can't remove it */
1178 *status = MONO_IMAGE_OK;
1181 typedef struct AssemblyLoadHook AssemblyLoadHook;
1182 struct AssemblyLoadHook {
1183 AssemblyLoadHook *next;
1184 MonoAssemblyLoadFunc func;
1188 AssemblyLoadHook *assembly_load_hook = NULL;
1191 mono_assembly_invoke_load_hook (MonoAssembly *ass)
1193 AssemblyLoadHook *hook;
1195 for (hook = assembly_load_hook; hook; hook = hook->next) {
1196 hook->func (ass, hook->user_data);
1201 mono_install_assembly_load_hook (MonoAssemblyLoadFunc func, gpointer user_data)
1203 AssemblyLoadHook *hook;
1205 g_return_if_fail (func != NULL);
1207 hook = g_new0 (AssemblyLoadHook, 1);
1209 hook->user_data = user_data;
1210 hook->next = assembly_load_hook;
1211 assembly_load_hook = hook;
1215 free_assembly_load_hooks (void)
1217 AssemblyLoadHook *hook, *next;
1219 for (hook = assembly_load_hook; hook; hook = next) {
1225 typedef struct AssemblySearchHook AssemblySearchHook;
1226 struct AssemblySearchHook {
1227 AssemblySearchHook *next;
1228 MonoAssemblySearchFunc func;
1234 AssemblySearchHook *assembly_search_hook = NULL;
1236 static MonoAssembly*
1237 mono_assembly_invoke_search_hook_internal (MonoAssemblyName *aname, MonoAssembly *requesting, gboolean refonly, gboolean postload)
1239 AssemblySearchHook *hook;
1241 for (hook = assembly_search_hook; hook; hook = hook->next) {
1242 if ((hook->refonly == refonly) && (hook->postload == postload)) {
1245 * A little explanation is in order here.
1247 * The default postload search hook needs to know the requesting assembly to report it to managed code.
1248 * The embedding API exposes a search hook that doesn't take such argument.
1250 * The original fix would call the default search hook before all the registered ones and pass
1251 * the requesting assembly to it. It works but broke a very suddle embedding API aspect that some users
1252 * rely on. Which is the ordering between user hooks and the default runtime hook.
1254 * Registering the hook after mono_jit_init would let your hook run before the default one and
1255 * when using it to handle non standard app layouts this could save your app from a massive amount
1256 * of syscalls that the default hook does when probing all sorts of places. Slow targets with horrible IO
1257 * are all using this trick and if we broke this assumption they would be very disapointed at us.
1259 * So what's the fix? We register the default hook using regular means and special case it when iterating
1260 * over the registered hooks. This preserves ordering and enables managed resolve hooks to get the requesting
1263 if (hook->func == (void*)mono_domain_assembly_postload_search)
1264 ass = mono_domain_assembly_postload_search (aname, requesting, refonly);
1266 ass = hook->func (aname, hook->user_data);
1276 mono_assembly_invoke_search_hook (MonoAssemblyName *aname)
1278 return mono_assembly_invoke_search_hook_internal (aname, NULL, FALSE, FALSE);
1282 mono_install_assembly_search_hook_internal (MonoAssemblySearchFunc func, gpointer user_data, gboolean refonly, gboolean postload)
1284 AssemblySearchHook *hook;
1286 g_return_if_fail (func != NULL);
1288 hook = g_new0 (AssemblySearchHook, 1);
1290 hook->user_data = user_data;
1291 hook->refonly = refonly;
1292 hook->postload = postload;
1293 hook->next = assembly_search_hook;
1294 assembly_search_hook = hook;
1298 mono_install_assembly_search_hook (MonoAssemblySearchFunc func, gpointer user_data)
1300 mono_install_assembly_search_hook_internal (func, user_data, FALSE, FALSE);
1304 free_assembly_search_hooks (void)
1306 AssemblySearchHook *hook, *next;
1308 for (hook = assembly_search_hook; hook; hook = next) {
1315 mono_install_assembly_refonly_search_hook (MonoAssemblySearchFunc func, gpointer user_data)
1317 mono_install_assembly_search_hook_internal (func, user_data, TRUE, FALSE);
1321 mono_install_assembly_postload_search_hook (MonoAssemblySearchFunc func, gpointer user_data)
1323 mono_install_assembly_search_hook_internal (func, user_data, FALSE, TRUE);
1327 mono_install_assembly_postload_refonly_search_hook (MonoAssemblySearchFunc func, gpointer user_data)
1329 mono_install_assembly_search_hook_internal (func, user_data, TRUE, TRUE);
1332 typedef struct AssemblyPreLoadHook AssemblyPreLoadHook;
1333 struct AssemblyPreLoadHook {
1334 AssemblyPreLoadHook *next;
1335 MonoAssemblyPreLoadFunc func;
1339 static AssemblyPreLoadHook *assembly_preload_hook = NULL;
1340 static AssemblyPreLoadHook *assembly_refonly_preload_hook = NULL;
1342 static MonoAssembly *
1343 invoke_assembly_preload_hook (MonoAssemblyName *aname, gchar **assemblies_path)
1345 AssemblyPreLoadHook *hook;
1346 MonoAssembly *assembly;
1348 for (hook = assembly_preload_hook; hook; hook = hook->next) {
1349 assembly = hook->func (aname, assemblies_path, hook->user_data);
1350 if (assembly != NULL)
1357 static MonoAssembly *
1358 invoke_assembly_refonly_preload_hook (MonoAssemblyName *aname, gchar **assemblies_path)
1360 AssemblyPreLoadHook *hook;
1361 MonoAssembly *assembly;
1363 for (hook = assembly_refonly_preload_hook; hook; hook = hook->next) {
1364 assembly = hook->func (aname, assemblies_path, hook->user_data);
1365 if (assembly != NULL)
1373 mono_install_assembly_preload_hook (MonoAssemblyPreLoadFunc func, gpointer user_data)
1375 AssemblyPreLoadHook *hook;
1377 g_return_if_fail (func != NULL);
1379 hook = g_new0 (AssemblyPreLoadHook, 1);
1381 hook->user_data = user_data;
1382 hook->next = assembly_preload_hook;
1383 assembly_preload_hook = hook;
1387 mono_install_assembly_refonly_preload_hook (MonoAssemblyPreLoadFunc func, gpointer user_data)
1389 AssemblyPreLoadHook *hook;
1391 g_return_if_fail (func != NULL);
1393 hook = g_new0 (AssemblyPreLoadHook, 1);
1395 hook->user_data = user_data;
1396 hook->next = assembly_refonly_preload_hook;
1397 assembly_refonly_preload_hook = hook;
1401 free_assembly_preload_hooks (void)
1403 AssemblyPreLoadHook *hook, *next;
1405 for (hook = assembly_preload_hook; hook; hook = next) {
1410 for (hook = assembly_refonly_preload_hook; hook; hook = next) {
1417 absolute_dir (const gchar *filename)
1428 if (g_path_is_absolute (filename)) {
1429 part = g_path_get_dirname (filename);
1430 res = g_strconcat (part, G_DIR_SEPARATOR_S, NULL);
1435 cwd = g_get_current_dir ();
1436 mixed = g_build_filename (cwd, filename, NULL);
1437 parts = g_strsplit (mixed, G_DIR_SEPARATOR_S, 0);
1442 for (i = 0; (part = parts [i]) != NULL; i++) {
1443 if (!strcmp (part, "."))
1446 if (!strcmp (part, "..")) {
1447 if (list && list->next) /* Don't remove root */
1448 list = g_list_delete_link (list, list);
1450 list = g_list_prepend (list, part);
1454 result = g_string_new ("");
1455 list = g_list_reverse (list);
1457 /* Ignores last data pointer, which should be the filename */
1458 for (tmp = list; tmp && tmp->next != NULL; tmp = tmp->next){
1460 g_string_append_printf (result, "%s%c", (char *) tmp->data,
1465 g_string_free (result, FALSE);
1470 return g_strdup (".");
1477 * mono_assembly_open_from_bundle:
1478 * @filename: Filename requested
1479 * @status: return value
1481 * This routine tries to open the assembly specified by `filename' from the
1482 * defined bundles, if found, returns the MonoImage for it, if not found
1486 mono_assembly_open_from_bundle (const char *filename, MonoImageOpenStatus *status, gboolean refonly)
1490 MonoImage *image = NULL;
1493 * we do a very simple search for bundled assemblies: it's not a general
1494 * purpose assembly loading mechanism.
1500 name = g_path_get_basename (filename);
1502 mono_assemblies_lock ();
1503 for (i = 0; !image && bundles [i]; ++i) {
1504 if (strcmp (bundles [i]->name, name) == 0) {
1505 image = mono_image_open_from_data_with_name ((char*)bundles [i]->data, bundles [i]->size, FALSE, status, refonly, name);
1509 mono_assemblies_unlock ();
1511 mono_image_addref (image);
1512 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_ASSEMBLY, "Assembly Loader loaded assembly from bundle: '%s'.", name);
1521 mono_assembly_open_full (const char *filename, MonoImageOpenStatus *status, gboolean refonly)
1525 MonoImageOpenStatus def_status;
1528 gboolean loaded_from_bundle;
1530 g_return_val_if_fail (filename != NULL, NULL);
1533 status = &def_status;
1534 *status = MONO_IMAGE_OK;
1536 if (strncmp (filename, "file://", 7) == 0) {
1537 GError *error = NULL;
1538 gchar *uri = (gchar *) filename;
1542 * MS allows file://c:/... and fails on file://localhost/c:/...
1543 * They also throw an IndexOutOfRangeException if "file://"
1546 uri = g_strdup_printf ("file:///%s", uri + 7);
1549 uri = mono_escape_uri_string (tmpuri);
1550 fname = g_filename_from_uri (uri, NULL, &error);
1553 if (tmpuri != filename)
1556 if (error != NULL) {
1557 g_warning ("%s\n", error->message);
1558 g_error_free (error);
1559 fname = g_strdup (filename);
1562 fname = g_strdup (filename);
1565 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_ASSEMBLY,
1566 "Assembly Loader probing location: '%s'.", fname);
1569 if (!mono_assembly_is_in_gac (fname))
1570 new_fname = mono_make_shadow_copy (fname);
1571 if (new_fname && new_fname != fname) {
1574 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_ASSEMBLY,
1575 "Assembly Loader shadow-copied assembly to: '%s'.", fname);
1580 loaded_from_bundle = FALSE;
1581 if (bundles != NULL) {
1582 image = mono_assembly_open_from_bundle (fname, status, refonly);
1583 loaded_from_bundle = image != NULL;
1587 image = mono_image_open_full (fname, status, refonly);
1590 if (*status == MONO_IMAGE_OK)
1591 *status = MONO_IMAGE_ERROR_ERRNO;
1596 if (image->assembly) {
1597 /* Already loaded by another appdomain */
1598 mono_assembly_invoke_load_hook (image->assembly);
1599 mono_image_close (image);
1601 return image->assembly;
1604 ass = mono_assembly_load_from_full (image, fname, status, refonly);
1607 if (!loaded_from_bundle)
1608 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_ASSEMBLY,
1609 "Assembly Loader loaded assembly from location: '%s'.", filename);
1611 mono_config_for_assembly (ass->image);
1614 /* Clear the reference added by mono_image_open */
1615 mono_image_close (image);
1623 free_item (gpointer val, gpointer user_data)
1629 * mono_assembly_load_friends:
1632 * Load the list of friend assemblies that are allowed to access
1633 * the assembly's internal types and members. They are stored as assembly
1634 * names in custom attributes.
1636 * This is an internal method, we need this because when we load mscorlib
1637 * we do not have the mono_defaults.internals_visible_class loaded yet,
1638 * so we need to load these after we initialize the runtime.
1640 * LOCKING: Acquires the assemblies lock plus the loader lock.
1643 mono_assembly_load_friends (MonoAssembly* ass)
1646 MonoCustomAttrInfo* attrs;
1649 if (ass->friend_assembly_names_inited)
1652 attrs = mono_custom_attrs_from_assembly (ass);
1654 mono_assemblies_lock ();
1655 ass->friend_assembly_names_inited = TRUE;
1656 mono_assemblies_unlock ();
1660 mono_assemblies_lock ();
1661 if (ass->friend_assembly_names_inited) {
1662 mono_assemblies_unlock ();
1665 mono_assemblies_unlock ();
1669 * We build the list outside the assemblies lock, the worse that can happen
1670 * is that we'll need to free the allocated list.
1672 for (i = 0; i < attrs->num_attrs; ++i) {
1673 MonoCustomAttrEntry *attr = &attrs->attrs [i];
1674 MonoAssemblyName *aname;
1676 /* Do some sanity checking */
1677 if (!attr->ctor || attr->ctor->klass != mono_defaults.internals_visible_class)
1679 if (attr->data_size < 4)
1681 data = (const char*)attr->data;
1682 /* 0xFF means null string, see custom attr format */
1683 if (data [0] != 1 || data [1] != 0 || (data [2] & 0xFF) == 0xFF)
1685 mono_metadata_decode_value (data + 2, &data);
1686 aname = g_new0 (MonoAssemblyName, 1);
1687 /*g_print ("friend ass: %s\n", data);*/
1688 if (mono_assembly_name_parse_full (data, aname, TRUE, NULL, NULL)) {
1689 list = g_slist_prepend (list, aname);
1694 mono_custom_attrs_free (attrs);
1696 mono_assemblies_lock ();
1697 if (ass->friend_assembly_names_inited) {
1698 mono_assemblies_unlock ();
1699 g_slist_foreach (list, free_item, NULL);
1700 g_slist_free (list);
1703 ass->friend_assembly_names = list;
1705 /* Because of the double checked locking pattern above */
1706 mono_memory_barrier ();
1707 ass->friend_assembly_names_inited = TRUE;
1708 mono_assemblies_unlock ();
1712 * mono_assembly_open:
1713 * @filename: Opens the assembly pointed out by this name
1714 * @status: where a status code can be returned
1716 * mono_assembly_open opens the PE-image pointed by @filename, and
1717 * loads any external assemblies referenced by it.
1719 * Return: a pointer to the MonoAssembly if @filename contains a valid
1720 * assembly or NULL on error. Details about the error are stored in the
1724 mono_assembly_open (const char *filename, MonoImageOpenStatus *status)
1726 return mono_assembly_open_full (filename, status, FALSE);
1730 mono_assembly_load_from_full (MonoImage *image, const char*fname,
1731 MonoImageOpenStatus *status, gboolean refonly)
1733 MonoAssembly *ass, *ass2;
1736 if (!image->tables [MONO_TABLE_ASSEMBLY].rows) {
1737 /* 'image' doesn't have a manifest -- maybe someone is trying to Assembly.Load a .netmodule */
1738 *status = MONO_IMAGE_IMAGE_INVALID;
1742 #if defined (HOST_WIN32)
1747 tmp_fn = g_strdup (fname);
1748 for (i = strlen (tmp_fn) - 1; i >= 0; i--) {
1749 if (tmp_fn [i] == '/')
1753 base_dir = absolute_dir (tmp_fn);
1757 base_dir = absolute_dir (fname);
1761 * Create assembly struct, and enter it into the assembly cache
1763 ass = g_new0 (MonoAssembly, 1);
1764 ass->basedir = base_dir;
1765 ass->ref_only = refonly;
1768 mono_profiler_assembly_event (ass, MONO_PROFILE_START_LOAD);
1770 mono_assembly_fill_assembly_name (image, &ass->aname);
1772 if (mono_defaults.corlib && strcmp (ass->aname.name, "mscorlib") == 0) {
1773 // MS.NET doesn't support loading other mscorlibs
1776 mono_image_addref (mono_defaults.corlib);
1777 *status = MONO_IMAGE_OK;
1778 return mono_defaults.corlib->assembly;
1781 /* Add a non-temporary reference because of ass->image */
1782 mono_image_addref (image);
1784 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_ASSEMBLY, "Image addref %s[%p] -> %s[%p]: %d", ass->aname.name, ass, image->name, image, image->ref_count);
1787 * The load hooks might take locks so we can't call them while holding the
1790 if (ass->aname.name) {
1791 ass2 = mono_assembly_invoke_search_hook_internal (&ass->aname, NULL, refonly, FALSE);
1795 mono_image_close (image);
1796 *status = MONO_IMAGE_OK;
1801 mono_assemblies_lock ();
1803 if (image->assembly) {
1805 * This means another thread has already loaded the assembly, but not yet
1806 * called the load hooks so the search hook can't find the assembly.
1808 mono_assemblies_unlock ();
1809 ass2 = image->assembly;
1812 mono_image_close (image);
1813 *status = MONO_IMAGE_OK;
1817 image->assembly = ass;
1819 loaded_assemblies = g_list_prepend (loaded_assemblies, ass);
1820 mono_assemblies_unlock ();
1823 if (image->is_module_handle)
1824 mono_image_fixup_vtable (image);
1827 mono_assembly_invoke_load_hook (ass);
1829 mono_profiler_assembly_loaded (ass, MONO_PROFILE_OK);
1835 mono_assembly_load_from (MonoImage *image, const char *fname,
1836 MonoImageOpenStatus *status)
1838 return mono_assembly_load_from_full (image, fname, status, FALSE);
1842 * mono_assembly_name_free:
1843 * @aname: assembly name to free
1845 * Frees the provided assembly name object.
1846 * (it does not frees the object itself, only the name members).
1849 mono_assembly_name_free (MonoAssemblyName *aname)
1854 g_free ((void *) aname->name);
1855 g_free ((void *) aname->culture);
1856 g_free ((void *) aname->hash_value);
1860 parse_public_key (const gchar *key, gchar** pubkey, gboolean *is_ecma)
1863 gchar header [16], val, *arr;
1864 gint i, j, offset, bitlen, keylen, pkeylen;
1866 keylen = strlen (key) >> 1;
1870 /* allow the ECMA standard key */
1871 if (strcmp (key, "00000000000000000400000000000000") == 0) {
1873 *pubkey = g_strdup (key);
1879 val = g_ascii_xdigit_value (key [0]) << 4;
1880 val |= g_ascii_xdigit_value (key [1]);
1885 val = g_ascii_xdigit_value (key [24]);
1886 val |= g_ascii_xdigit_value (key [25]);
1898 /* We need the first 16 bytes
1899 * to check whether this key is valid or not */
1900 pkeylen = strlen (pkey) >> 1;
1904 for (i = 0, j = 0; i < 16; i++) {
1905 header [i] = g_ascii_xdigit_value (pkey [j++]) << 4;
1906 header [i] |= g_ascii_xdigit_value (pkey [j++]);
1909 if (header [0] != 0x06 || /* PUBLICKEYBLOB (0x06) */
1910 header [1] != 0x02 || /* Version (0x02) */
1911 header [2] != 0x00 || /* Reserved (word) */
1912 header [3] != 0x00 ||
1913 (guint)(read32 (header + 8)) != 0x31415352) /* DWORD magic = RSA1 */
1916 /* Based on this length, we _should_ be able to know if the length is right */
1917 bitlen = read32 (header + 12) >> 3;
1918 if ((bitlen + 16 + 4) != pkeylen)
1921 /* parsing is OK and the public key itself is not requested back */
1925 /* Encode the size of the blob */
1927 if (keylen <= 127) {
1928 arr = g_malloc (keylen + 1);
1929 arr [offset++] = keylen;
1931 arr = g_malloc (keylen + 2);
1932 arr [offset++] = 0x80; /* 10bs */
1933 arr [offset++] = keylen;
1936 for (i = offset, j = 0; i < keylen + offset; i++) {
1937 arr [i] = g_ascii_xdigit_value (key [j++]) << 4;
1938 arr [i] |= g_ascii_xdigit_value (key [j++]);
1947 build_assembly_name (const char *name, const char *version, const char *culture, const char *token, const char *key, guint32 flags, guint32 arch, MonoAssemblyName *aname, gboolean save_public_key)
1949 gint major, minor, build, revision;
1952 gchar *pkey, *pkeyptr, *encoded, tok [8];
1954 memset (aname, 0, sizeof (MonoAssemblyName));
1957 version_parts = sscanf (version, "%u.%u.%u.%u", &major, &minor, &build, &revision);
1958 if (version_parts < 2 || version_parts > 4)
1961 /* FIXME: we should set build & revision to -1 (instead of 0)
1962 if these are not set in the version string. That way, later on,
1963 we can still determine if these were specified. */
1964 aname->major = major;
1965 aname->minor = minor;
1966 if (version_parts >= 3)
1967 aname->build = build;
1970 if (version_parts == 4)
1971 aname->revision = revision;
1973 aname->revision = 0;
1976 aname->flags = flags;
1978 aname->name = g_strdup (name);
1981 if (g_ascii_strcasecmp (culture, "neutral") == 0)
1982 aname->culture = g_strdup ("");
1984 aname->culture = g_strdup (culture);
1987 if (token && strncmp (token, "null", 4) != 0) {
1990 /* the constant includes the ending NULL, hence the -1 */
1991 if (strlen (token) != (MONO_PUBLIC_KEY_TOKEN_LENGTH - 1)) {
1992 mono_assembly_name_free (aname);
1995 lower = g_ascii_strdown (token, MONO_PUBLIC_KEY_TOKEN_LENGTH);
1996 g_strlcpy ((char*)aname->public_key_token, lower, MONO_PUBLIC_KEY_TOKEN_LENGTH);
2002 if (strcmp (key, "null") == 0 || !parse_public_key (key, &pkey, &is_ecma)) {
2003 mono_assembly_name_free (aname);
2008 if (save_public_key)
2009 aname->public_key = (guint8*)pkey;
2012 g_strlcpy ((gchar*)aname->public_key_token, "b77a5c561934e089", MONO_PUBLIC_KEY_TOKEN_LENGTH);
2016 len = mono_metadata_decode_blob_size ((const gchar *) pkey, (const gchar **) &pkeyptr);
2017 // We also need to generate the key token
2018 mono_digest_get_public_token ((guchar*) tok, (guint8*) pkeyptr, len);
2019 encoded = encode_public_tok ((guchar*) tok, 8);
2020 g_strlcpy ((gchar*)aname->public_key_token, encoded, MONO_PUBLIC_KEY_TOKEN_LENGTH);
2023 if (save_public_key)
2024 aname->public_key = (guint8*) pkey;
2033 parse_assembly_directory_name (const char *name, const char *dirname, MonoAssemblyName *aname)
2038 parts = g_strsplit (dirname, "_", 3);
2039 if (!parts || !parts[0] || !parts[1] || !parts[2]) {
2044 res = build_assembly_name (name, parts[0], parts[1], parts[2], NULL, 0, 0, aname, FALSE);
2050 split_key_value (const gchar *pair, gchar **key, guint32 *keylen, gchar **value)
2052 char *eqsign = strchr (pair, '=');
2060 *key = (gchar*)pair;
2061 *keylen = eqsign - *key;
2062 while (*keylen > 0 && g_ascii_isspace ((*key) [*keylen - 1]))
2064 *value = g_strstrip (eqsign + 1);
2069 mono_assembly_name_parse_full (const char *name, MonoAssemblyName *aname, gboolean save_public_key, gboolean *is_version_defined, gboolean *is_token_defined)
2072 gchar *version = NULL;
2073 gchar *culture = NULL;
2074 gchar *token = NULL;
2076 gchar *retargetable = NULL;
2078 gchar *value, *part_name;
2079 guint32 part_name_len;
2082 gboolean version_defined;
2083 gboolean token_defined;
2085 guint32 arch = MONO_PROCESSOR_ARCHITECTURE_NONE;
2087 if (!is_version_defined)
2088 is_version_defined = &version_defined;
2089 *is_version_defined = FALSE;
2090 if (!is_token_defined)
2091 is_token_defined = &token_defined;
2092 *is_token_defined = FALSE;
2094 parts = tmp = g_strsplit (name, ",", 6);
2095 if (!tmp || !*tmp) {
2100 dllname = g_strstrip (*tmp);
2105 if (!split_key_value (g_strstrip (*tmp), &part_name, &part_name_len, &value))
2106 goto cleanup_and_fail;
2108 if (part_name_len == 7 && !g_ascii_strncasecmp (part_name, "Version", part_name_len)) {
2109 *is_version_defined = TRUE;
2111 if (strlen (version) == 0) {
2112 goto cleanup_and_fail;
2118 if (part_name_len == 7 && !g_ascii_strncasecmp (part_name, "Culture", part_name_len)) {
2120 if (strlen (culture) == 0) {
2121 goto cleanup_and_fail;
2127 if (part_name_len == 14 && !g_ascii_strncasecmp (part_name, "PublicKeyToken", part_name_len)) {
2128 *is_token_defined = TRUE;
2130 if (strlen (token) == 0) {
2131 goto cleanup_and_fail;
2137 if (part_name_len == 9 && !g_ascii_strncasecmp (part_name, "PublicKey", part_name_len)) {
2139 if (strlen (key) == 0) {
2140 goto cleanup_and_fail;
2146 if (part_name_len == 12 && !g_ascii_strncasecmp (part_name, "Retargetable", part_name_len)) {
2147 retargetable = value;
2148 if (strlen (retargetable) == 0) {
2149 goto cleanup_and_fail;
2151 if (!g_ascii_strcasecmp (retargetable, "yes")) {
2152 flags |= ASSEMBLYREF_RETARGETABLE_FLAG;
2153 } else if (g_ascii_strcasecmp (retargetable, "no")) {
2154 goto cleanup_and_fail;
2160 if (part_name_len == 21 && !g_ascii_strncasecmp (part_name, "ProcessorArchitecture", part_name_len)) {
2161 if (!g_ascii_strcasecmp (value, "MSIL"))
2162 arch = MONO_PROCESSOR_ARCHITECTURE_MSIL;
2163 else if (!g_ascii_strcasecmp (value, "X86"))
2164 arch = MONO_PROCESSOR_ARCHITECTURE_X86;
2165 else if (!g_ascii_strcasecmp (value, "IA64"))
2166 arch = MONO_PROCESSOR_ARCHITECTURE_IA64;
2167 else if (!g_ascii_strcasecmp (value, "AMD64"))
2168 arch = MONO_PROCESSOR_ARCHITECTURE_AMD64;
2170 goto cleanup_and_fail;
2179 /* if retargetable flag is set, then we must have a fully qualified name */
2180 if (retargetable != NULL && (version == NULL || culture == NULL || (key == NULL && token == NULL))) {
2181 goto cleanup_and_fail;
2184 res = build_assembly_name (dllname, version, culture, token, key, flags, arch,
2185 aname, save_public_key);
2195 * mono_assembly_name_parse:
2196 * @name: name to parse
2197 * @aname: the destination assembly name
2199 * Parses an assembly qualified type name and assigns the name,
2200 * version, culture and token to the provided assembly name object.
2202 * Returns: true if the name could be parsed.
2205 mono_assembly_name_parse (const char *name, MonoAssemblyName *aname)
2207 return mono_assembly_name_parse_full (name, aname, FALSE, NULL, NULL);
2211 * mono_assembly_name_new:
2212 * @name: name to parse
2214 * Allocate a new MonoAssemblyName and fill its values from the
2217 * Returns: a newly allocated structure or NULL if there was any failure.
2220 mono_assembly_name_new (const char *name)
2222 MonoAssemblyName *aname = g_new0 (MonoAssemblyName, 1);
2223 if (mono_assembly_name_parse (name, aname))
2230 mono_assembly_name_get_name (MonoAssemblyName *aname)
2236 mono_assembly_name_get_culture (MonoAssemblyName *aname)
2238 return aname->culture;
2242 mono_assembly_name_get_pubkeytoken (MonoAssemblyName *aname)
2244 if (aname->public_key_token [0])
2245 return aname->public_key_token;
2250 mono_assembly_name_get_version (MonoAssemblyName *aname, uint16_t *minor, uint16_t *build, uint16_t *revision)
2253 *minor = aname->minor;
2255 *build = aname->build;
2257 *revision = aname->revision;
2258 return aname->major;
2261 static MonoAssembly*
2262 probe_for_partial_name (const char *basepath, const char *fullname, MonoAssemblyName *aname, MonoImageOpenStatus *status)
2264 gchar *fullpath = NULL;
2266 const char* direntry;
2267 MonoAssemblyName gac_aname;
2268 gint major=-1, minor=0, build=0, revision=0;
2269 gboolean exact_version;
2271 dirhandle = g_dir_open (basepath, 0, NULL);
2275 exact_version = (aname->major | aname->minor | aname->build | aname->revision) != 0;
2277 while ((direntry = g_dir_read_name (dirhandle))) {
2278 gboolean match = TRUE;
2280 if(!parse_assembly_directory_name (aname->name, direntry, &gac_aname))
2283 if (aname->culture != NULL && strcmp (aname->culture, gac_aname.culture) != 0)
2286 if (match && strlen ((char*)aname->public_key_token) > 0 &&
2287 !mono_public_tokens_are_equal (aname->public_key_token, gac_aname.public_key_token))
2291 if (exact_version) {
2292 match = (aname->major == gac_aname.major && aname->minor == gac_aname.minor &&
2293 aname->build == gac_aname.build && aname->revision == gac_aname.revision);
2295 else if (gac_aname.major < major)
2297 else if (gac_aname.major == major) {
2298 if (gac_aname.minor < minor)
2300 else if (gac_aname.minor == minor) {
2301 if (gac_aname.build < build)
2303 else if (gac_aname.build == build && gac_aname.revision <= revision)
2310 major = gac_aname.major;
2311 minor = gac_aname.minor;
2312 build = gac_aname.build;
2313 revision = gac_aname.revision;
2315 fullpath = g_build_path (G_DIR_SEPARATOR_S, basepath, direntry, fullname, NULL);
2318 mono_assembly_name_free (&gac_aname);
2321 g_dir_close (dirhandle);
2323 if (fullpath == NULL)
2326 MonoAssembly *res = mono_assembly_open (fullpath, status);
2333 mono_assembly_load_with_partial_name (const char *name, MonoImageOpenStatus *status)
2336 MonoAssemblyName *aname, base_name;
2337 MonoAssemblyName mapped_aname;
2338 gchar *fullname, *gacpath;
2341 memset (&base_name, 0, sizeof (MonoAssemblyName));
2344 if (!mono_assembly_name_parse (name, aname))
2348 * If no specific version has been requested, make sure we load the
2349 * correct version for system assemblies.
2351 if ((aname->major | aname->minor | aname->build | aname->revision) == 0)
2352 aname = mono_assembly_remap_version (aname, &mapped_aname);
2354 res = mono_assembly_loaded (aname);
2356 mono_assembly_name_free (aname);
2360 res = invoke_assembly_preload_hook (aname, assemblies_path);
2362 res->in_gac = FALSE;
2363 mono_assembly_name_free (aname);
2367 fullname = g_strdup_printf ("%s.dll", aname->name);
2369 if (extra_gac_paths) {
2370 paths = extra_gac_paths;
2371 while (!res && *paths) {
2372 gacpath = g_build_path (G_DIR_SEPARATOR_S, *paths, "lib", "mono", "gac", aname->name, NULL);
2373 res = probe_for_partial_name (gacpath, fullname, aname, status);
2382 mono_assembly_name_free (aname);
2386 gacpath = g_build_path (G_DIR_SEPARATOR_S, mono_assembly_getrootdir (), "mono", "gac", aname->name, NULL);
2387 res = probe_for_partial_name (gacpath, fullname, aname, status);
2393 MonoDomain *domain = mono_domain_get ();
2394 MonoReflectionAssembly *refasm = mono_try_assembly_resolve (domain, mono_string_new (domain, name), NULL, FALSE);
2396 res = refasm->assembly;
2400 mono_assembly_name_free (aname);
2406 mono_assembly_is_in_gac (const gchar *filename)
2408 const gchar *rootdir;
2412 if (filename == NULL)
2415 for (paths = extra_gac_paths; paths && *paths; paths++) {
2416 if (strstr (*paths, filename) != *paths)
2419 gp = (gchar *) (filename + strlen (*paths));
2420 if (*gp != G_DIR_SEPARATOR)
2423 if (strncmp (gp, "lib", 3))
2426 if (*gp != G_DIR_SEPARATOR)
2429 if (strncmp (gp, "mono", 4))
2432 if (*gp != G_DIR_SEPARATOR)
2435 if (strncmp (gp, "gac", 3))
2438 if (*gp != G_DIR_SEPARATOR)
2444 rootdir = mono_assembly_getrootdir ();
2445 if (strstr (filename, rootdir) != filename)
2448 gp = (gchar *) (filename + strlen (rootdir));
2449 if (*gp != G_DIR_SEPARATOR)
2452 if (strncmp (gp, "mono", 4))
2455 if (*gp != G_DIR_SEPARATOR)
2458 if (strncmp (gp, "gac", 3))
2461 if (*gp != G_DIR_SEPARATOR)
2467 mono_assembly_load_publisher_policy (MonoAssemblyName *aname)
2470 gchar *filename, *pname, *name, *culture, *version, *fullpath, *subpath;
2474 if (strstr (aname->name, ".dll")) {
2475 len = strlen (aname->name) - 4;
2476 name = g_malloc (len);
2477 strncpy (name, aname->name, len);
2479 name = g_strdup (aname->name);
2482 culture = g_utf8_strdown (aname->culture, -1);
2484 culture = g_strdup ("");
2486 pname = g_strdup_printf ("policy.%d.%d.%s", aname->major, aname->minor, name);
2487 version = g_strdup_printf ("0.0.0.0_%s_%s", culture, aname->public_key_token);
2491 filename = g_strconcat (pname, ".dll", NULL);
2492 subpath = g_build_path (G_DIR_SEPARATOR_S, pname, version, filename, NULL);
2498 if (extra_gac_paths) {
2499 paths = extra_gac_paths;
2500 while (!image && *paths) {
2501 fullpath = g_build_path (G_DIR_SEPARATOR_S, *paths,
2502 "lib", "mono", "gac", subpath, NULL);
2503 image = mono_image_open (fullpath, NULL);
2514 fullpath = g_build_path (G_DIR_SEPARATOR_S, mono_assembly_getrootdir (),
2515 "mono", "gac", subpath, NULL);
2516 image = mono_image_open (fullpath, NULL);
2523 static MonoAssemblyName*
2524 mono_assembly_bind_version (MonoAssemblyBindingInfo *info, MonoAssemblyName *aname, MonoAssemblyName *dest_name)
2526 memcpy (dest_name, aname, sizeof (MonoAssemblyName));
2527 dest_name->major = info->new_version.major;
2528 dest_name->minor = info->new_version.minor;
2529 dest_name->build = info->new_version.build;
2530 dest_name->revision = info->new_version.revision;
2535 /* LOCKING: assembly_binding lock must be held */
2536 static MonoAssemblyBindingInfo*
2537 search_binding_loaded (MonoAssemblyName *aname)
2541 for (tmp = loaded_assembly_bindings; tmp; tmp = tmp->next) {
2542 MonoAssemblyBindingInfo *info = tmp->data;
2543 if (assembly_binding_maps_name (info, aname))
2550 static inline gboolean
2551 info_compare_versions (AssemblyVersionSet *left, AssemblyVersionSet *right)
2553 if (left->major != right->major || left->minor != right->minor ||
2554 left->build != right->build || left->revision != right->revision)
2560 static inline gboolean
2561 info_versions_equal (MonoAssemblyBindingInfo *left, MonoAssemblyBindingInfo *right)
2563 if (left->has_old_version_bottom != right->has_old_version_bottom)
2566 if (left->has_old_version_top != right->has_old_version_top)
2569 if (left->has_new_version != right->has_new_version)
2572 if (left->has_old_version_bottom && !info_compare_versions (&left->old_version_bottom, &right->old_version_bottom))
2575 if (left->has_old_version_top && !info_compare_versions (&left->old_version_top, &right->old_version_top))
2578 if (left->has_new_version && !info_compare_versions (&left->new_version, &right->new_version))
2584 /* LOCKING: assumes all the necessary locks are held */
2586 assembly_binding_info_parsed (MonoAssemblyBindingInfo *info, void *user_data)
2588 MonoAssemblyBindingInfo *info_copy;
2590 MonoAssemblyBindingInfo *info_tmp;
2591 MonoDomain *domain = (MonoDomain*)user_data;
2596 for (tmp = domain->assembly_bindings; tmp; tmp = tmp->next) {
2597 info_tmp = tmp->data;
2598 if (strcmp (info->name, info_tmp->name) == 0 && info_versions_equal (info, info_tmp))
2602 info_copy = mono_mempool_alloc0 (domain->mp, sizeof (MonoAssemblyBindingInfo));
2603 memcpy (info_copy, info, sizeof (MonoAssemblyBindingInfo));
2605 info_copy->name = mono_mempool_strdup (domain->mp, info->name);
2607 info_copy->culture = mono_mempool_strdup (domain->mp, info->culture);
2609 domain->assembly_bindings = g_slist_append_mempool (domain->mp, domain->assembly_bindings, info_copy);
2613 get_version_number (int major, int minor)
2615 return major * 256 + minor;
2618 static inline gboolean
2619 info_major_minor_in_range (MonoAssemblyBindingInfo *info, MonoAssemblyName *aname)
2621 int aname_version_number = get_version_number (aname->major, aname->minor);
2622 if (!info->has_old_version_bottom)
2625 if (get_version_number (info->old_version_bottom.major, info->old_version_bottom.minor) > aname_version_number)
2628 if (info->has_old_version_top && get_version_number (info->old_version_top.major, info->old_version_top.minor) < aname_version_number)
2631 /* This is not the nicest way to do it, but it's a by-product of the way parsing is done */
2632 info->major = aname->major;
2633 info->minor = aname->minor;
2638 /* LOCKING: Assumes that we are already locked - both loader and domain locks */
2639 static MonoAssemblyBindingInfo*
2640 get_per_domain_assembly_binding_info (MonoDomain *domain, MonoAssemblyName *aname)
2642 MonoAssemblyBindingInfo *info;
2645 if (!domain->assembly_bindings)
2649 for (list = domain->assembly_bindings; list; list = list->next) {
2651 if (info && !strcmp (aname->name, info->name) && info_major_minor_in_range (info, aname))
2657 if (info->name && info->public_key_token [0] && info->has_old_version_bottom &&
2658 info->has_new_version && assembly_binding_maps_name (info, aname))
2659 info->is_valid = TRUE;
2661 info->is_valid = FALSE;
2667 static MonoAssemblyName*
2668 mono_assembly_apply_binding (MonoAssemblyName *aname, MonoAssemblyName *dest_name)
2670 MonoAssemblyBindingInfo *info, *info2;
2674 if (aname->public_key_token [0] == 0)
2677 domain = mono_domain_get ();
2679 mono_assembly_binding_lock ();
2680 info = search_binding_loaded (aname);
2681 mono_assembly_binding_unlock ();
2684 mono_domain_lock (domain);
2685 info = get_per_domain_assembly_binding_info (domain, aname);
2686 mono_domain_unlock (domain);
2690 if (!check_policy_versions (info, aname))
2693 mono_assembly_bind_version (info, aname, dest_name);
2697 if (domain && domain->setup && domain->setup->configuration_file) {
2698 mono_domain_lock (domain);
2699 if (!domain->assembly_bindings_parsed) {
2700 gchar *domain_config_file_name = mono_string_to_utf8 (domain->setup->configuration_file);
2701 gchar *domain_config_file_path = mono_portability_find_file (domain_config_file_name, TRUE);
2703 if (!domain_config_file_path)
2704 domain_config_file_path = domain_config_file_name;
2706 mono_config_parse_assembly_bindings (domain_config_file_path, aname->major, aname->minor, domain, assembly_binding_info_parsed);
2707 domain->assembly_bindings_parsed = TRUE;
2708 if (domain_config_file_name != domain_config_file_path)
2709 g_free (domain_config_file_name);
2710 g_free (domain_config_file_path);
2713 info2 = get_per_domain_assembly_binding_info (domain, aname);
2716 info = g_memdup (info2, sizeof (MonoAssemblyBindingInfo));
2717 info->name = g_strdup (info2->name);
2718 info->culture = g_strdup (info2->culture);
2719 info->domain_id = domain->domain_id;
2722 mono_domain_unlock (domain);
2726 info = g_new0 (MonoAssemblyBindingInfo, 1);
2727 info->major = aname->major;
2728 info->minor = aname->minor;
2731 if (!info->is_valid) {
2732 ppimage = mono_assembly_load_publisher_policy (aname);
2734 get_publisher_policy_info (ppimage, aname, info);
2735 mono_image_close (ppimage);
2739 /* Define default error value if needed */
2740 if (!info->is_valid) {
2741 info->name = g_strdup (aname->name);
2742 info->culture = g_strdup (aname->culture);
2743 g_strlcpy ((char *)info->public_key_token, (const char *)aname->public_key_token, MONO_PUBLIC_KEY_TOKEN_LENGTH);
2746 mono_assembly_binding_lock ();
2747 info2 = search_binding_loaded (aname);
2749 /* This binding was added by another thread
2751 mono_assembly_binding_info_free (info);
2756 loaded_assembly_bindings = g_slist_prepend (loaded_assembly_bindings, info);
2758 mono_assembly_binding_unlock ();
2760 if (!info->is_valid || !check_policy_versions (info, aname))
2763 mono_assembly_bind_version (info, aname, dest_name);
2768 * mono_assembly_load_from_gac
2770 * @aname: The assembly name object
2772 static MonoAssembly*
2773 mono_assembly_load_from_gac (MonoAssemblyName *aname, gchar *filename, MonoImageOpenStatus *status, MonoBoolean refonly)
2775 MonoAssembly *result = NULL;
2776 gchar *name, *version, *culture, *fullpath, *subpath;
2781 if (aname->public_key_token [0] == 0) {
2785 if (strstr (aname->name, ".dll")) {
2786 len = strlen (filename) - 4;
2787 name = g_malloc (len);
2788 strncpy (name, aname->name, len);
2790 name = g_strdup (aname->name);
2793 if (aname->culture) {
2794 culture = g_utf8_strdown (aname->culture, -1);
2796 culture = g_strdup ("");
2799 pubtok = g_ascii_strdown ((char*)aname->public_key_token, MONO_PUBLIC_KEY_TOKEN_LENGTH);
2800 version = g_strdup_printf ("%d.%d.%d.%d_%s_%s", aname->major,
2801 aname->minor, aname->build, aname->revision,
2805 subpath = g_build_path (G_DIR_SEPARATOR_S, name, version, filename, NULL);
2810 if (extra_gac_paths) {
2811 paths = extra_gac_paths;
2812 while (!result && *paths) {
2813 fullpath = g_build_path (G_DIR_SEPARATOR_S, *paths, "lib", "mono", "gac", subpath, NULL);
2814 result = mono_assembly_open_full (fullpath, status, refonly);
2821 result->in_gac = TRUE;
2826 fullpath = g_build_path (G_DIR_SEPARATOR_S, mono_assembly_getrootdir (),
2827 "mono", "gac", subpath, NULL);
2828 result = mono_assembly_open_full (fullpath, status, refonly);
2832 result->in_gac = TRUE;
2840 mono_assembly_load_corlib (const MonoRuntimeInfo *runtime, MonoImageOpenStatus *status)
2843 MonoAssemblyName *aname;
2846 /* g_print ("corlib already loaded\n"); */
2850 #if defined(__native_client__)
2851 if (corlibData != NULL && corlibSize != 0) {
2853 /* First "FALSE" instructs mono not to make a copy. */
2854 /* Second "FALSE" says this is not just a ref. */
2855 MonoImage* image = mono_image_open_from_data_full (corlibData, corlibSize, FALSE, &status, FALSE);
2856 if (image == NULL || status != 0)
2857 g_print("mono_image_open_from_data_full failed: %d\n", status);
2858 corlib = mono_assembly_load_from_full (image, "mscorlib", &status, FALSE);
2859 if (corlib == NULL || status != 0)
2860 g_print ("mono_assembly_load_from_full failed: %d\n", status);
2866 aname = mono_assembly_name_new ("mscorlib.dll");
2867 corlib = invoke_assembly_preload_hook (aname, assemblies_path);
2868 mono_assembly_name_free (aname);
2873 if (assemblies_path) {
2874 corlib = load_in_path ("mscorlib.dll", (const char**)assemblies_path, status, FALSE);
2879 /* Load corlib from mono/<version> */
2881 corlib_file = g_build_filename ("mono", runtime->framework_version, "mscorlib.dll", NULL);
2882 if (assemblies_path) {
2883 corlib = load_in_path (corlib_file, (const char**)assemblies_path, status, FALSE);
2885 g_free (corlib_file);
2889 corlib = load_in_path (corlib_file, default_path, status, FALSE);
2890 g_free (corlib_file);
2892 if (corlib && !strcmp (runtime->framework_version, "4.5"))
2893 default_path [1] = g_strdup_printf ("%s/mono/4.5/Facades", default_path [0]);
2899 mono_assembly_load_full_nosearch (MonoAssemblyName *aname,
2900 const char *basedir,
2901 MonoImageOpenStatus *status,
2904 MonoAssembly *result;
2905 char *fullpath, *filename;
2906 MonoAssemblyName maped_aname;
2907 MonoAssemblyName maped_name_pp;
2912 aname = mono_assembly_remap_version (aname, &maped_aname);
2914 /* Reflection only assemblies don't get assembly binding */
2916 aname = mono_assembly_apply_binding (aname, &maped_name_pp);
2918 result = mono_assembly_loaded_full (aname, refonly);
2922 result = refonly ? invoke_assembly_refonly_preload_hook (aname, assemblies_path) : invoke_assembly_preload_hook (aname, assemblies_path);
2924 result->in_gac = FALSE;
2928 /* Currently we retrieve the loaded corlib for reflection
2929 * only requests, like a common reflection only assembly
2931 if (strcmp (aname->name, "mscorlib") == 0 || strcmp (aname->name, "mscorlib.dll") == 0) {
2932 return mono_assembly_load_corlib (mono_get_runtime_info (), status);
2935 len = strlen (aname->name);
2936 for (ext_index = 0; ext_index < 2; ext_index ++) {
2937 ext = ext_index == 0 ? ".dll" : ".exe";
2938 if (len > 4 && (!strcmp (aname->name + len - 4, ".dll") || !strcmp (aname->name + len - 4, ".exe"))) {
2939 filename = g_strdup (aname->name);
2940 /* Don't try appending .dll/.exe if it already has one of those extensions */
2943 filename = g_strconcat (aname->name, ext, NULL);
2946 result = mono_assembly_load_from_gac (aname, filename, status, refonly);
2953 fullpath = g_build_filename (basedir, filename, NULL);
2954 result = mono_assembly_open_full (fullpath, status, refonly);
2957 result->in_gac = FALSE;
2963 result = load_in_path (filename, default_path, status, refonly);
2965 result->in_gac = FALSE;
2975 mono_assembly_load_full_internal (MonoAssemblyName *aname, MonoAssembly *requesting, const char *basedir, MonoImageOpenStatus *status, gboolean refonly)
2977 MonoAssembly *result = mono_assembly_load_full_nosearch (aname, basedir, status, refonly);
2980 /* Try a postload search hook */
2981 result = mono_assembly_invoke_search_hook_internal (aname, requesting, refonly, TRUE);
2986 * mono_assembly_load_full:
2987 * @aname: A MonoAssemblyName with the assembly name to load.
2988 * @basedir: A directory to look up the assembly at.
2989 * @status: a pointer to a MonoImageOpenStatus to return the status of the load operation
2990 * @refonly: Whether this assembly is being opened in "reflection-only" mode.
2992 * Loads the assembly referenced by @aname, if the value of @basedir is not NULL, it
2993 * attempts to load the assembly from that directory before probing the standard locations.
2995 * If the assembly is being opened in reflection-only mode (@refonly set to TRUE) then no
2996 * assembly binding takes place.
2998 * Returns: the assembly referenced by @aname loaded or NULL on error. On error the
2999 * value pointed by status is updated with an error code.
3002 mono_assembly_load_full (MonoAssemblyName *aname, const char *basedir, MonoImageOpenStatus *status, gboolean refonly)
3004 return mono_assembly_load_full_internal (aname, NULL, basedir, status, refonly);
3008 * mono_assembly_load:
3009 * @aname: A MonoAssemblyName with the assembly name to load.
3010 * @basedir: A directory to look up the assembly at.
3011 * @status: a pointer to a MonoImageOpenStatus to return the status of the load operation
3013 * Loads the assembly referenced by @aname, if the value of @basedir is not NULL, it
3014 * attempts to load the assembly from that directory before probing the standard locations.
3016 * Returns: the assembly referenced by @aname loaded or NULL on error. On error the
3017 * value pointed by status is updated with an error code.
3020 mono_assembly_load (MonoAssemblyName *aname, const char *basedir, MonoImageOpenStatus *status)
3022 return mono_assembly_load_full_internal (aname, NULL, basedir, status, FALSE);
3026 mono_assembly_loaded_full (MonoAssemblyName *aname, gboolean refonly)
3029 MonoAssemblyName maped_aname;
3031 aname = mono_assembly_remap_version (aname, &maped_aname);
3033 res = mono_assembly_invoke_search_hook_internal (aname, NULL, refonly, FALSE);
3039 * mono_assembly_loaded:
3040 * @aname: an assembly to look for.
3042 * Returns: NULL If the given @aname assembly has not been loaded, or a pointer to
3043 * a MonoAssembly that matches the MonoAssemblyName specified.
3046 mono_assembly_loaded (MonoAssemblyName *aname)
3048 return mono_assembly_loaded_full (aname, FALSE);
3052 mono_assembly_release_gc_roots (MonoAssembly *assembly)
3054 if (assembly == NULL || assembly == REFERENCE_MISSING)
3057 if (assembly_is_dynamic (assembly)) {
3059 MonoDynamicImage *dynimg = (MonoDynamicImage *)assembly->image;
3060 for (i = 0; i < dynimg->image.module_count; ++i)
3061 mono_dynamic_image_release_gc_roots ((MonoDynamicImage *)dynimg->image.modules [i]);
3062 mono_dynamic_image_release_gc_roots (dynimg);
3067 * Returns whether mono_assembly_close_finish() must be called as
3068 * well. See comment for mono_image_close_except_pools() for why we
3069 * unload in two steps.
3072 mono_assembly_close_except_image_pools (MonoAssembly *assembly)
3075 g_return_val_if_fail (assembly != NULL, FALSE);
3077 if (assembly == REFERENCE_MISSING)
3080 /* Might be 0 already */
3081 if (InterlockedDecrement (&assembly->ref_count) > 0)
3084 mono_profiler_assembly_event (assembly, MONO_PROFILE_START_UNLOAD);
3086 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_ASSEMBLY, "Unloading assembly %s [%p].", assembly->aname.name, assembly);
3088 mono_debug_close_image (assembly->image);
3090 mono_assemblies_lock ();
3091 loaded_assemblies = g_list_remove (loaded_assemblies, assembly);
3092 mono_assemblies_unlock ();
3094 assembly->image->assembly = NULL;
3096 if (!mono_image_close_except_pools (assembly->image))
3097 assembly->image = NULL;
3099 for (tmp = assembly->friend_assembly_names; tmp; tmp = tmp->next) {
3100 MonoAssemblyName *fname = tmp->data;
3101 mono_assembly_name_free (fname);
3104 g_slist_free (assembly->friend_assembly_names);
3105 g_free (assembly->basedir);
3107 mono_profiler_assembly_event (assembly, MONO_PROFILE_END_UNLOAD);
3113 mono_assembly_close_finish (MonoAssembly *assembly)
3115 g_assert (assembly && assembly != REFERENCE_MISSING);
3117 if (assembly->image)
3118 mono_image_close_finish (assembly->image);
3120 if (assembly_is_dynamic (assembly)) {
3121 g_free ((char*)assembly->aname.culture);
3128 * mono_assembly_close:
3129 * @assembly: the assembly to release.
3131 * This method releases a reference to the @assembly. The assembly is
3132 * only released when all the outstanding references to it are released.
3135 mono_assembly_close (MonoAssembly *assembly)
3137 if (mono_assembly_close_except_image_pools (assembly))
3138 mono_assembly_close_finish (assembly);
3142 mono_assembly_load_module (MonoAssembly *assembly, guint32 idx)
3144 return mono_image_load_file_for_image (assembly->image, idx);
3148 mono_assembly_foreach (GFunc func, gpointer user_data)
3153 * We make a copy of the list to avoid calling the callback inside the
3154 * lock, which could lead to deadlocks.
3156 mono_assemblies_lock ();
3157 copy = g_list_copy (loaded_assemblies);
3158 mono_assemblies_unlock ();
3160 g_list_foreach (loaded_assemblies, func, user_data);
3166 * mono_assemblies_cleanup:
3168 * Free all resources used by this module.
3171 mono_assemblies_cleanup (void)
3175 mono_mutex_destroy (&assemblies_mutex);
3176 mono_mutex_destroy (&assembly_binding_mutex);
3178 for (l = loaded_assembly_bindings; l; l = l->next) {
3179 MonoAssemblyBindingInfo *info = l->data;
3181 mono_assembly_binding_info_free (info);
3184 g_slist_free (loaded_assembly_bindings);
3186 free_assembly_load_hooks ();
3187 free_assembly_search_hooks ();
3188 free_assembly_preload_hooks ();
3191 /*LOCKING takes the assembly_binding lock*/
3193 mono_assembly_cleanup_domain_bindings (guint32 domain_id)
3197 mono_assembly_binding_lock ();
3198 iter = &loaded_assembly_bindings;
3201 MonoAssemblyBindingInfo *info = l->data;
3203 if (info->domain_id == domain_id) {
3205 mono_assembly_binding_info_free (info);
3212 mono_assembly_binding_unlock ();
3216 * Holds the assembly of the application, for
3217 * System.Diagnostics.Process::MainModule
3219 static MonoAssembly *main_assembly=NULL;
3222 mono_assembly_set_main (MonoAssembly *assembly)
3224 main_assembly = assembly;
3228 * mono_assembly_get_main:
3230 * Returns: the assembly for the application, the first assembly that is loaded by the VM
3233 mono_assembly_get_main (void)
3235 return (main_assembly);
3239 * mono_assembly_get_image:
3240 * @assembly: The assembly to retrieve the image from
3242 * Returns: the MonoImage associated with this assembly.
3245 mono_assembly_get_image (MonoAssembly *assembly)
3247 return assembly->image;
3251 mono_register_bundled_assemblies (const MonoBundledAssembly **assemblies)
3253 bundles = assemblies;
3256 #define MONO_DECLSEC_FORMAT_10 0x3C
3257 #define MONO_DECLSEC_FORMAT_20 0x2E
3258 #define MONO_DECLSEC_FIELD 0x53
3259 #define MONO_DECLSEC_PROPERTY 0x54
3261 #define SKIP_VISIBILITY_XML_ATTRIBUTE ("\"SkipVerification\"")
3262 #define SKIP_VISIBILITY_ATTRIBUTE_NAME ("System.Security.Permissions.SecurityPermissionAttribute")
3263 #define SKIP_VISIBILITY_ATTRIBUTE_SIZE (sizeof (SKIP_VISIBILITY_ATTRIBUTE_NAME) - 1)
3264 #define SKIP_VISIBILITY_PROPERTY_NAME ("SkipVerification")
3265 #define SKIP_VISIBILITY_PROPERTY_SIZE (sizeof (SKIP_VISIBILITY_PROPERTY_NAME) - 1)
3268 mono_assembly_try_decode_skip_verification_param (const char *p, const char **resp, gboolean *abort_decoding)
3272 case MONO_DECLSEC_PROPERTY:
3274 case MONO_DECLSEC_FIELD:
3276 *abort_decoding = TRUE;
3281 if (*p++ != MONO_TYPE_BOOLEAN) {
3282 *abort_decoding = TRUE;
3286 /* property name length */
3287 len = mono_metadata_decode_value (p, &p);
3289 if (len >= SKIP_VISIBILITY_PROPERTY_SIZE && !memcmp (p, SKIP_VISIBILITY_PROPERTY_NAME, SKIP_VISIBILITY_PROPERTY_SIZE)) {
3300 mono_assembly_try_decode_skip_verification (const char *p, const char *endn)
3302 int i, j, num, len, params_len;
3304 if (*p == MONO_DECLSEC_FORMAT_10) {
3305 gsize read, written;
3306 char *res = g_convert (p, endn - p, "UTF-8", "UTF-16LE", &read, &written, NULL);
3308 gboolean found = strstr (res, SKIP_VISIBILITY_XML_ATTRIBUTE) != NULL;
3314 if (*p++ != MONO_DECLSEC_FORMAT_20)
3317 /* number of encoded permission attributes */
3318 num = mono_metadata_decode_value (p, &p);
3319 for (i = 0; i < num; ++i) {
3320 gboolean is_valid = FALSE;
3321 gboolean abort_decoding = FALSE;
3323 /* attribute name length */
3324 len = mono_metadata_decode_value (p, &p);
3326 /* We don't really need to fully decode the type. Comparing the name is enough */
3327 is_valid = len >= SKIP_VISIBILITY_ATTRIBUTE_SIZE && !memcmp (p, SKIP_VISIBILITY_ATTRIBUTE_NAME, SKIP_VISIBILITY_ATTRIBUTE_SIZE);
3331 /*size of the params table*/
3332 params_len = mono_metadata_decode_value (p, &p);
3334 const char *params_end = p + params_len;
3336 /* number of parameters */
3337 len = mono_metadata_decode_value (p, &p);
3339 for (j = 0; j < len; ++j) {
3340 if (mono_assembly_try_decode_skip_verification_param (p, &p, &abort_decoding))
3356 mono_assembly_has_skip_verification (MonoAssembly *assembly)
3359 guint32 cols [MONO_DECL_SECURITY_SIZE];
3363 if (MONO_SECMAN_FLAG_INIT (assembly->skipverification))
3364 return MONO_SECMAN_FLAG_GET_VALUE (assembly->skipverification);
3366 t = &assembly->image->tables [MONO_TABLE_DECLSECURITY];
3368 for (i = 0; i < t->rows; ++i) {
3369 mono_metadata_decode_row (t, i, cols, MONO_DECL_SECURITY_SIZE);
3370 if ((cols [MONO_DECL_SECURITY_PARENT] & MONO_HAS_DECL_SECURITY_MASK) != MONO_HAS_DECL_SECURITY_ASSEMBLY)
3372 if (cols [MONO_DECL_SECURITY_ACTION] != SECURITY_ACTION_REQMIN)
3375 blob = mono_metadata_blob_heap (assembly->image, cols [MONO_DECL_SECURITY_PERMISSIONSET]);
3376 len = mono_metadata_decode_blob_size (blob, &blob);
3380 if (mono_assembly_try_decode_skip_verification (blob, blob + len)) {
3381 MONO_SECMAN_FLAG_SET_VALUE (assembly->skipverification, TRUE);
3386 MONO_SECMAN_FLAG_SET_VALUE (assembly->skipverification, FALSE);