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 * .NET version can be found at https://github.com/dotnet/coreclr/blob/master/src/inc/fxretarget.h#L99
82 static const AssemblyVersionMap framework_assemblies [] = {
84 {"Commons.Xml.Relaxng", 0},
91 {"Microsoft.VisualBasic", 1},
92 {"Microsoft.VisualC", 1},
94 {"Mono.CompilerServices.SymbolWriter", 0},
96 {"Mono.Data.SybaseClient", 0},
98 {"Mono.Data.TdsClient", 0},
99 {"Mono.GetOptions", 0},
102 {"Mono.Security", 0},
103 {"Mono.Security.Win32", 0},
105 {"Novell.Directory.Ldap", 0},
109 {"System.ComponentModel.Composition", 2},
110 {"System.ComponentModel.DataAnnotations", 2},
111 {"System.Configuration", 0},
112 {"System.Configuration.Install", 0},
115 {"System.Data.Linq", 2},
116 {"System.Data.OracleClient", 0},
117 {"System.Data.Services", 2},
118 {"System.Data.Services.Client", 2},
119 {"System.Data.SqlXml", 0},
120 {"System.Design", 0},
121 {"System.DirectoryServices", 0},
122 {"System.Drawing", 0},
123 {"System.Drawing.Design", 0},
124 {"System.EnterpriseServices", 0},
125 {"System.IdentityModel", 3},
126 {"System.IdentityModel.Selectors", 3},
127 {"System.Management", 0},
128 {"System.Messaging", 0},
130 {"System.Runtime.Remoting", 0},
131 {"System.Runtime.Serialization", 3},
132 {"System.Runtime.Serialization.Formatters.Soap", 0},
133 {"System.Security", 0},
134 {"System.ServiceModel", 3},
135 {"System.ServiceModel.Web", 2},
136 {"System.ServiceProcess", 0},
137 {"System.Transactions", 0},
139 {"System.Web.Abstractions", 2},
140 {"System.Web.DynamicData", 2},
141 {"System.Web.Extensions", 2},
142 {"System.Web.Mobile", 0},
143 {"System.Web.Routing", 2},
144 {"System.Web.Services", 0},
145 {"System.Windows.Forms", 0},
147 {"System.Xml.Linq", 2},
154 * keeps track of loaded assemblies
156 static GList *loaded_assemblies = NULL;
157 static MonoAssembly *corlib;
159 #if defined(__native_client__)
161 /* On Native Client, allow mscorlib to be loaded from memory */
162 /* instead of loaded off disk. If these are not set, default */
163 /* mscorlib loading will take place */
165 /* NOTE: If mscorlib data is passed to mono in this way then */
166 /* it needs to remain allocated during the use of mono. */
168 static void *corlibData = NULL;
169 static size_t corlibSize = 0;
172 mono_set_corlib_data (void *data, size_t size)
180 /* This protects loaded_assemblies and image->references */
181 #define mono_assemblies_lock() mono_mutex_lock (&assemblies_mutex)
182 #define mono_assemblies_unlock() mono_mutex_unlock (&assemblies_mutex)
183 static mono_mutex_t assemblies_mutex;
185 /* If defined, points to the bundled assembly information */
186 const MonoBundledAssembly **bundles;
188 static mono_mutex_t assembly_binding_mutex;
190 /* Loaded assembly binding info */
191 static GSList *loaded_assembly_bindings = NULL;
194 mono_assembly_invoke_search_hook_internal (MonoAssemblyName *aname, MonoAssembly *requesting, gboolean refonly, gboolean postload);
196 mono_assembly_load_full_internal (MonoAssemblyName *aname, MonoAssembly *requesting, const char *basedir, MonoImageOpenStatus *status, gboolean refonly);
198 mono_assembly_is_in_gac (const gchar *filanem);
201 encode_public_tok (const guchar *token, gint32 len)
203 const static gchar allowed [] = { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f' };
207 res = g_malloc (len * 2 + 1);
208 for (i = 0; i < len; i++) {
209 res [i * 2] = allowed [token [i] >> 4];
210 res [i * 2 + 1] = allowed [token [i] & 0xF];
217 * mono_public_tokens_are_equal:
218 * @pubt1: first public key token
219 * @pubt2: second public key token
221 * Compare two public key tokens and return #TRUE is they are equal and #FALSE
225 mono_public_tokens_are_equal (const unsigned char *pubt1, const unsigned char *pubt2)
227 return memcmp (pubt1, pubt2, 16) == 0;
231 * mono_set_assemblies_path:
232 * @path: list of paths that contain directories where Mono will look for assemblies
234 * Use this method to override the standard assembly lookup system and
235 * override any assemblies coming from the GAC. This is the method
236 * that supports the MONO_PATH variable.
238 * Notice that MONO_PATH and this method are really a very bad idea as
239 * it prevents the GAC from working and it prevents the standard
240 * resolution mechanisms from working. Nonetheless, for some debugging
241 * situations and bootstrapping setups, this is useful to have.
244 mono_set_assemblies_path (const char* path)
246 char **splitted, **dest;
248 splitted = g_strsplit (path, G_SEARCHPATH_SEPARATOR_S, 1000);
250 g_strfreev (assemblies_path);
251 assemblies_path = dest = splitted;
253 char *tmp = *splitted;
255 *dest++ = mono_path_canonicalize (tmp);
261 if (g_getenv ("MONO_DEBUG") == NULL)
264 splitted = assemblies_path;
266 if (**splitted && !g_file_test (*splitted, G_FILE_TEST_IS_DIR))
267 g_warning ("'%s' in MONO_PATH doesn't exist or has wrong permissions.", *splitted);
273 /* Native Client can't get this info from an environment variable so */
274 /* it's passed in to the runtime, or set manually by embedding code. */
275 #ifdef __native_client__
276 char* nacl_mono_path = NULL;
280 check_path_env (void)
283 path = g_getenv ("MONO_PATH");
284 #ifdef __native_client__
286 path = nacl_mono_path;
288 if (!path || assemblies_path != NULL)
291 mono_set_assemblies_path(path);
295 check_extra_gac_path_env (void) {
297 char **splitted, **dest;
299 path = g_getenv ("MONO_GAC_PREFIX");
303 splitted = g_strsplit (path, G_SEARCHPATH_SEPARATOR_S, 1000);
305 g_strfreev (extra_gac_paths);
306 extra_gac_paths = dest = splitted;
314 if (g_getenv ("MONO_DEBUG") == NULL)
318 if (**splitted && !g_file_test (*splitted, G_FILE_TEST_IS_DIR))
319 g_warning ("'%s' in MONO_GAC_PREFIX doesn't exist or has wrong permissions.", *splitted);
326 assembly_binding_maps_name (MonoAssemblyBindingInfo *info, MonoAssemblyName *aname)
328 if (!info || !info->name)
331 if (strcmp (info->name, aname->name))
334 if (info->major != aname->major || info->minor != aname->minor)
337 if ((info->culture != NULL && info->culture [0]) != (aname->culture != NULL && aname->culture [0]))
340 if (info->culture && aname->culture && strcmp (info->culture, aname->culture))
343 if (!mono_public_tokens_are_equal (info->public_key_token, aname->public_key_token))
350 mono_assembly_binding_info_free (MonoAssemblyBindingInfo *info)
356 g_free (info->culture);
360 get_publisher_policy_info (MonoImage *image, MonoAssemblyName *aname, MonoAssemblyBindingInfo *binding_info)
363 guint32 cols [MONO_MANIFEST_SIZE];
364 const gchar *filename;
365 gchar *subpath, *fullpath;
367 t = &image->tables [MONO_TABLE_MANIFESTRESOURCE];
368 /* MS Impl. accepts policy assemblies with more than
369 * one manifest resource, and only takes the first one */
371 binding_info->is_valid = FALSE;
375 mono_metadata_decode_row (t, 0, cols, MONO_MANIFEST_SIZE);
376 if ((cols [MONO_MANIFEST_IMPLEMENTATION] & MONO_IMPLEMENTATION_MASK) != MONO_IMPLEMENTATION_FILE) {
377 binding_info->is_valid = FALSE;
381 filename = mono_metadata_string_heap (image, cols [MONO_MANIFEST_NAME]);
382 g_assert (filename != NULL);
384 subpath = g_path_get_dirname (image->name);
385 fullpath = g_build_path (G_DIR_SEPARATOR_S, subpath, filename, NULL);
386 mono_config_parse_publisher_policy (fullpath, binding_info);
390 /* Define the optional elements/attributes before checking */
391 if (!binding_info->culture)
392 binding_info->culture = g_strdup ("");
394 /* Check that the most important elements/attributes exist */
395 if (!binding_info->name || !binding_info->public_key_token [0] || !binding_info->has_old_version_bottom ||
396 !binding_info->has_new_version || !assembly_binding_maps_name (binding_info, aname)) {
397 mono_assembly_binding_info_free (binding_info);
398 binding_info->is_valid = FALSE;
402 binding_info->is_valid = TRUE;
406 compare_versions (AssemblyVersionSet *v, MonoAssemblyName *aname)
408 if (v->major > aname->major)
410 else if (v->major < aname->major)
413 if (v->minor > aname->minor)
415 else if (v->minor < aname->minor)
418 if (v->build > aname->build)
420 else if (v->build < aname->build)
423 if (v->revision > aname->revision)
425 else if (v->revision < aname->revision)
432 check_policy_versions (MonoAssemblyBindingInfo *info, MonoAssemblyName *name)
437 /* If has_old_version_top doesn't exist, we don't have an interval */
438 if (!info->has_old_version_top) {
439 if (compare_versions (&info->old_version_bottom, name) == 0)
445 /* Check that the version defined by name is valid for the interval */
446 if (compare_versions (&info->old_version_top, name) < 0)
449 /* We should be greater or equal than the small version */
450 if (compare_versions (&info->old_version_bottom, name) > 0)
457 * mono_assembly_names_equal:
459 * @r: second assembly.
461 * Compares two MonoAssemblyNames and returns whether they are equal.
463 * This compares the names, the cultures, the release version and their
466 * Returns: TRUE if both assembly names are equal.
469 mono_assembly_names_equal (MonoAssemblyName *l, MonoAssemblyName *r)
471 if (!l->name || !r->name)
474 if (strcmp (l->name, r->name))
477 if (l->culture && r->culture && strcmp (l->culture, r->culture))
480 if (l->major != r->major || l->minor != r->minor ||
481 l->build != r->build || l->revision != r->revision)
482 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)))
485 if (!l->public_key_token [0] || !r->public_key_token [0])
488 if (!mono_public_tokens_are_equal (l->public_key_token, r->public_key_token))
494 static MonoAssembly *
495 load_in_path (const char *basename, const char** search_path, MonoImageOpenStatus *status, MonoBoolean refonly)
499 MonoAssembly *result;
501 for (i = 0; search_path [i]; ++i) {
502 fullpath = g_build_filename (search_path [i], basename, NULL);
503 result = mono_assembly_open_full (fullpath, status, refonly);
512 * mono_assembly_setrootdir:
513 * @root_dir: The pathname of the root directory where we will locate assemblies
515 * This routine sets the internal default root directory for looking up
518 * This is used by Windows installations to compute dynamically the
519 * place where the Mono assemblies are located.
523 mono_assembly_setrootdir (const char *root_dir)
526 * Override the MONO_ASSEMBLIES directory configured at compile time.
528 /* Leak if called more than once */
529 default_path [0] = g_strdup (root_dir);
533 * mono_assembly_getrootdir:
535 * Obtains the root directory used for looking up assemblies.
537 * Returns: a string with the directory, this string should not be freed.
539 G_CONST_RETURN gchar *
540 mono_assembly_getrootdir (void)
542 return default_path [0];
547 * @assembly_dir: the base directory for assemblies
548 * @config_dir: the base directory for configuration files
550 * This routine is used internally and by developers embedding
551 * the runtime into their own applications.
553 * There are a number of cases to consider: Mono as a system-installed
554 * package that is available on the location preconfigured or Mono in
555 * a relocated location.
557 * If you are using a system-installed Mono, you can pass NULL
558 * to both parameters. If you are not, you should compute both
559 * directory values and call this routine.
561 * The values for a given PREFIX are:
563 * assembly_dir: PREFIX/lib
564 * config_dir: PREFIX/etc
566 * Notice that embedders that use Mono in a relocated way must
567 * compute the location at runtime, as they will be in control
568 * of where Mono is installed.
571 mono_set_dirs (const char *assembly_dir, const char *config_dir)
573 if (assembly_dir == NULL)
574 assembly_dir = mono_config_get_assemblies_dir ();
575 if (config_dir == NULL)
576 config_dir = mono_config_get_cfg_dir ();
577 mono_assembly_setrootdir (assembly_dir);
578 mono_set_config_dir (config_dir);
584 compute_base (char *path)
586 char *p = strrchr (path, '/');
590 /* Not a well known Mono executable, we are embedded, cant guess the base */
591 if (strcmp (p, "/mono") && strcmp (p, "/mono-boehm") && strcmp (p, "/mono-sgen") && strcmp (p, "/pedump") && strcmp (p, "/monodis"))
595 p = strrchr (path, '/');
599 if (strcmp (p, "/bin") != 0)
608 mono_set_dirs (mono_config_get_assemblies_dir (), mono_config_get_cfg_dir ());
611 static G_GNUC_UNUSED void
615 char *config, *lib, *mono;
620 * Only /usr prefix is treated specially
622 bindir = mono_config_get_bin_dir ();
624 if (strncmp (exe, bindir, strlen (bindir)) == 0 || (base = compute_base (exe)) == NULL){
629 config = g_build_filename (base, "etc", NULL);
630 lib = g_build_filename (base, "lib", NULL);
631 mono = g_build_filename (lib, "mono/2.0", NULL);
632 if (stat (mono, &buf) == -1)
635 mono_set_dirs (lib, config);
643 #endif /* HOST_WIN32 */
648 * Registers the root directory for the Mono runtime, for Linux and Solaris 10,
649 * this auto-detects the prefix where Mono was installed.
652 mono_set_rootdir (void)
654 #if defined(HOST_WIN32) || (defined(PLATFORM_MACOSX) && !defined(TARGET_ARM))
655 gchar *bindir, *installdir, *root, *name, *resolvedname, *config;
658 name = mono_get_module_file_name ((HMODULE) &__ImageBase);
662 * _NSGetExecutablePath may return -1 to indicate buf is not large
663 * enough, but we ignore that case to avoid having to do extra dynamic
664 * allocation for the path and hope that 4096 is enough - this is
665 * ok in the Linux/Solaris case below at least...
669 guint buf_size = sizeof (buf);
672 if (_NSGetExecutablePath (buf, &buf_size) == 0)
673 name = g_strdup (buf);
682 resolvedname = mono_path_resolve_symlinks (name);
684 bindir = g_path_get_dirname (resolvedname);
685 installdir = g_path_get_dirname (bindir);
686 root = g_build_path (G_DIR_SEPARATOR_S, installdir, "lib", NULL);
688 config = g_build_filename (root, "..", "etc", NULL);
690 mono_set_dirs (root, config);
692 if (g_file_test (root, G_FILE_TEST_EXISTS) && g_file_test (config, G_FILE_TEST_EXISTS))
693 mono_set_dirs (root, config);
703 g_free (resolvedname);
704 #elif defined(DISABLE_MONO_AUTODETECTION)
712 s = readlink ("/proc/self/exe", buf, sizeof (buf)-1);
720 /* Solaris 10 style */
721 str = g_strdup_printf ("/proc/%d/path/a.out", getpid ());
722 s = readlink (str, buf, sizeof (buf)-1);
734 * mono_assemblies_init:
736 * Initialize global variables used by this module.
739 mono_assemblies_init (void)
742 * Initialize our internal paths if we have not been initialized yet.
743 * This happens when embedders use Mono.
745 if (mono_assembly_getrootdir () == NULL)
749 check_extra_gac_path_env ();
751 mono_mutex_init_recursive (&assemblies_mutex);
752 mono_mutex_init (&assembly_binding_mutex);
756 mono_assembly_binding_lock (void)
758 mono_locks_mutex_acquire (&assembly_binding_mutex, AssemblyBindingLock);
762 mono_assembly_binding_unlock (void)
764 mono_locks_mutex_release (&assembly_binding_mutex, AssemblyBindingLock);
768 mono_assembly_fill_assembly_name (MonoImage *image, MonoAssemblyName *aname)
770 MonoTableInfo *t = &image->tables [MONO_TABLE_ASSEMBLY];
771 guint32 cols [MONO_ASSEMBLY_SIZE];
772 gint32 machine, flags;
777 mono_metadata_decode_row (t, 0, cols, MONO_ASSEMBLY_SIZE);
780 aname->hash_value = NULL;
781 aname->name = mono_metadata_string_heap (image, cols [MONO_ASSEMBLY_NAME]);
782 aname->culture = mono_metadata_string_heap (image, cols [MONO_ASSEMBLY_CULTURE]);
783 aname->flags = cols [MONO_ASSEMBLY_FLAGS];
784 aname->major = cols [MONO_ASSEMBLY_MAJOR_VERSION];
785 aname->minor = cols [MONO_ASSEMBLY_MINOR_VERSION];
786 aname->build = cols [MONO_ASSEMBLY_BUILD_NUMBER];
787 aname->revision = cols [MONO_ASSEMBLY_REV_NUMBER];
788 aname->hash_alg = cols [MONO_ASSEMBLY_HASH_ALG];
789 if (cols [MONO_ASSEMBLY_PUBLIC_KEY]) {
790 guchar* token = g_malloc (8);
795 pkey = mono_metadata_blob_heap (image, cols [MONO_ASSEMBLY_PUBLIC_KEY]);
796 len = mono_metadata_decode_blob_size (pkey, &pkey);
797 aname->public_key = (guchar*)pkey;
799 mono_digest_get_public_token (token, aname->public_key, len);
800 encoded = encode_public_tok (token, 8);
801 g_strlcpy ((char*)aname->public_key_token, encoded, MONO_PUBLIC_KEY_TOKEN_LENGTH);
807 aname->public_key = NULL;
808 memset (aname->public_key_token, 0, MONO_PUBLIC_KEY_TOKEN_LENGTH);
811 if (cols [MONO_ASSEMBLY_PUBLIC_KEY]) {
812 aname->public_key = (guchar*)mono_metadata_blob_heap (image, cols [MONO_ASSEMBLY_PUBLIC_KEY]);
815 aname->public_key = 0;
817 machine = ((MonoCLIImageInfo*)(image->image_info))->cli_header.coff.coff_machine;
818 flags = ((MonoCLIImageInfo*)(image->image_info))->cli_cli_header.ch_flags;
820 case COFF_MACHINE_I386:
821 /* https://bugzilla.xamarin.com/show_bug.cgi?id=17632 */
822 if (flags & (CLI_FLAGS_32BITREQUIRED|CLI_FLAGS_PREFERRED32BIT))
823 aname->arch = MONO_PROCESSOR_ARCHITECTURE_X86;
824 else if ((flags & 0x70) == 0x70)
825 aname->arch = MONO_PROCESSOR_ARCHITECTURE_NONE;
827 aname->arch = MONO_PROCESSOR_ARCHITECTURE_MSIL;
829 case COFF_MACHINE_IA64:
830 aname->arch = MONO_PROCESSOR_ARCHITECTURE_IA64;
832 case COFF_MACHINE_AMD64:
833 aname->arch = MONO_PROCESSOR_ARCHITECTURE_AMD64;
835 case COFF_MACHINE_ARM:
836 aname->arch = MONO_PROCESSOR_ARCHITECTURE_ARM;
846 * mono_stringify_assembly_name:
847 * @aname: the assembly name.
849 * Convert @aname into its string format. The returned string is dynamically
850 * allocated and should be freed by the caller.
852 * Returns: a newly allocated string with a string representation of
856 mono_stringify_assembly_name (MonoAssemblyName *aname)
858 const char *quote = (aname->name && g_ascii_isspace (aname->name [0])) ? "\"" : "";
860 return g_strdup_printf (
861 "%s%s%s, Version=%d.%d.%d.%d, Culture=%s, PublicKeyToken=%s%s",
862 quote, aname->name, quote,
863 aname->major, aname->minor, aname->build, aname->revision,
864 aname->culture && *aname->culture? aname->culture: "neutral",
865 aname->public_key_token [0] ? (char *)aname->public_key_token : "null",
866 (aname->flags & ASSEMBLYREF_RETARGETABLE_FLAG) ? ", Retargetable=Yes" : "");
870 assemblyref_public_tok (MonoImage *image, guint32 key_index, guint32 flags)
872 const gchar *public_tok;
875 public_tok = mono_metadata_blob_heap (image, key_index);
876 len = mono_metadata_decode_blob_size (public_tok, &public_tok);
878 if (flags & ASSEMBLYREF_FULL_PUBLIC_KEY_FLAG) {
880 mono_digest_get_public_token (token, (guchar*)public_tok, len);
881 return encode_public_tok (token, 8);
884 return encode_public_tok ((guchar*)public_tok, len);
888 * mono_assembly_addref:
889 * @assemnly: the assembly to reference
891 * This routine increments the reference count on a MonoAssembly.
892 * The reference count is reduced every time the method mono_assembly_close() is
896 mono_assembly_addref (MonoAssembly *assembly)
898 InterlockedIncrement (&assembly->ref_count);
902 * CAUTION: This table must be kept in sync with
903 * ivkm/reflect/Fusion.cs
906 #define SILVERLIGHT_KEY "7cec85d7bea7798e"
907 #define WINFX_KEY "31bf3856ad364e35"
908 #define ECMA_KEY "b77a5c561934e089"
909 #define MSFINAL_KEY "b03f5f7f11d50a3a"
917 static KeyRemapEntry key_remap_table[] = {
918 { "Microsoft.CSharp", WINFX_KEY, MSFINAL_KEY },
919 { "System", SILVERLIGHT_KEY, ECMA_KEY },
920 { "System.ComponentModel.Composition", WINFX_KEY, ECMA_KEY },
921 { "System.ComponentModel.DataAnnotations", "ddd0da4d3e678217", WINFX_KEY },
922 { "System.Core", SILVERLIGHT_KEY, ECMA_KEY },
923 // FIXME: MS uses MSFINAL_KEY for .NET 4.5
924 { "System.Net", SILVERLIGHT_KEY, MSFINAL_KEY },
925 { "System.Numerics", WINFX_KEY, ECMA_KEY },
926 { "System.Runtime.Serialization", SILVERLIGHT_KEY, ECMA_KEY },
927 { "System.ServiceModel", WINFX_KEY, ECMA_KEY },
928 { "System.ServiceModel.Web", SILVERLIGHT_KEY, WINFX_KEY },
929 { "System.Windows", SILVERLIGHT_KEY, MSFINAL_KEY },
930 { "System.Xml", SILVERLIGHT_KEY, ECMA_KEY },
931 { "System.Xml.Linq", WINFX_KEY, ECMA_KEY },
932 { "System.Xml.Serialization", WINFX_KEY, ECMA_KEY }
936 remap_keys (MonoAssemblyName *aname)
939 for (i = 0; i < G_N_ELEMENTS (key_remap_table); i++) {
940 const KeyRemapEntry *entry = &key_remap_table [i];
942 if (strcmp (aname->name, entry->name) ||
943 !mono_public_tokens_are_equal (aname->public_key_token, (const unsigned char*) entry->from))
946 memcpy (aname->public_key_token, entry->to, MONO_PUBLIC_KEY_TOKEN_LENGTH);
948 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_ASSEMBLY,
949 "Remapped public key token of retargetable assembly %s from %s to %s",
950 aname->name, entry->from, entry->to);
955 static MonoAssemblyName *
956 mono_assembly_remap_version (MonoAssemblyName *aname, MonoAssemblyName *dest_aname)
958 const MonoRuntimeInfo *current_runtime;
959 int pos, first, last;
961 if (aname->name == NULL) return aname;
963 current_runtime = mono_get_runtime_info ();
965 if (aname->flags & ASSEMBLYREF_RETARGETABLE_FLAG) {
966 const AssemblyVersionSet* vset;
968 /* Remap to current runtime */
969 vset = ¤t_runtime->version_sets [0];
971 memcpy (dest_aname, aname, sizeof(MonoAssemblyName));
972 dest_aname->major = vset->major;
973 dest_aname->minor = vset->minor;
974 dest_aname->build = vset->build;
975 dest_aname->revision = vset->revision;
976 dest_aname->flags &= ~ASSEMBLYREF_RETARGETABLE_FLAG;
978 /* Remap assembly name */
979 if (!strcmp (aname->name, "System.Net"))
980 dest_aname->name = g_strdup ("System");
982 remap_keys (dest_aname);
984 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_ASSEMBLY,
985 "The request to load the retargetable assembly %s v%d.%d.%d.%d was remapped to %s v%d.%d.%d.%d",
987 aname->major, aname->minor, aname->build, aname->revision,
989 vset->major, vset->minor, vset->build, vset->revision
995 #ifndef DISABLE_ASSEMBLY_REMAPPING
997 last = G_N_ELEMENTS (framework_assemblies) - 1;
999 while (first <= last) {
1001 pos = first + (last - first) / 2;
1002 res = strcmp (aname->name, framework_assemblies[pos].assembly_name);
1004 const AssemblyVersionSet* vset;
1005 int index = framework_assemblies[pos].version_set_index;
1006 g_assert (index < G_N_ELEMENTS (current_runtime->version_sets));
1007 vset = ¤t_runtime->version_sets [index];
1009 if (aname->major == vset->major && aname->minor == vset->minor &&
1010 aname->build == vset->build && aname->revision == vset->revision)
1013 if ((aname->major | aname->minor | aname->build | aname->revision) != 0)
1014 mono_trace (G_LOG_LEVEL_WARNING, MONO_TRACE_ASSEMBLY,
1015 "The request to load the assembly %s v%d.%d.%d.%d was remapped to v%d.%d.%d.%d",
1017 aname->major, aname->minor, aname->build, aname->revision,
1018 vset->major, vset->minor, vset->build, vset->revision
1021 memcpy (dest_aname, aname, sizeof(MonoAssemblyName));
1022 dest_aname->major = vset->major;
1023 dest_aname->minor = vset->minor;
1024 dest_aname->build = vset->build;
1025 dest_aname->revision = vset->revision;
1027 } else if (res < 0) {
1039 * mono_assembly_get_assemblyref:
1041 * Fill out ANAME with the assembly name of the INDEXth assembly reference in IMAGE.
1044 mono_assembly_get_assemblyref (MonoImage *image, int index, MonoAssemblyName *aname)
1047 guint32 cols [MONO_ASSEMBLYREF_SIZE];
1050 t = &image->tables [MONO_TABLE_ASSEMBLYREF];
1052 mono_metadata_decode_row (t, index, cols, MONO_ASSEMBLYREF_SIZE);
1054 hash = mono_metadata_blob_heap (image, cols [MONO_ASSEMBLYREF_HASH_VALUE]);
1055 aname->hash_len = mono_metadata_decode_blob_size (hash, &hash);
1056 aname->hash_value = hash;
1057 aname->name = mono_metadata_string_heap (image, cols [MONO_ASSEMBLYREF_NAME]);
1058 aname->culture = mono_metadata_string_heap (image, cols [MONO_ASSEMBLYREF_CULTURE]);
1059 aname->flags = cols [MONO_ASSEMBLYREF_FLAGS];
1060 aname->major = cols [MONO_ASSEMBLYREF_MAJOR_VERSION];
1061 aname->minor = cols [MONO_ASSEMBLYREF_MINOR_VERSION];
1062 aname->build = cols [MONO_ASSEMBLYREF_BUILD_NUMBER];
1063 aname->revision = cols [MONO_ASSEMBLYREF_REV_NUMBER];
1065 if (cols [MONO_ASSEMBLYREF_PUBLIC_KEY]) {
1066 gchar *token = assemblyref_public_tok (image, cols [MONO_ASSEMBLYREF_PUBLIC_KEY], aname->flags);
1067 g_strlcpy ((char*)aname->public_key_token, token, MONO_PUBLIC_KEY_TOKEN_LENGTH);
1070 memset (aname->public_key_token, 0, MONO_PUBLIC_KEY_TOKEN_LENGTH);
1075 mono_assembly_load_reference (MonoImage *image, int index)
1077 MonoAssembly *reference;
1078 MonoAssemblyName aname;
1079 MonoImageOpenStatus status;
1082 * image->references is shared between threads, so we need to access
1083 * it inside a critical section.
1085 mono_assemblies_lock ();
1086 if (!image->references) {
1087 MonoTableInfo *t = &image->tables [MONO_TABLE_ASSEMBLYREF];
1089 image->references = g_new0 (MonoAssembly *, t->rows + 1);
1090 image->nreferences = t->rows;
1092 reference = image->references [index];
1093 mono_assemblies_unlock ();
1097 mono_assembly_get_assemblyref (image, index, &aname);
1099 if (image->assembly && image->assembly->ref_only) {
1100 /* We use the loaded corlib */
1101 if (!strcmp (aname.name, "mscorlib"))
1102 reference = mono_assembly_load_full_internal (&aname, image->assembly, image->assembly->basedir, &status, FALSE);
1104 reference = mono_assembly_loaded_full (&aname, TRUE);
1106 /* Try a postload search hook */
1107 reference = mono_assembly_invoke_search_hook_internal (&aname, image->assembly, TRUE, TRUE);
1111 * Here we must advice that the error was due to
1112 * a non loaded reference using the ReflectionOnly api
1115 reference = REFERENCE_MISSING;
1117 /* we first try without setting the basedir: this can eventually result in a ResolveAssembly
1118 * event which is the MS .net compatible behaviour (the assemblyresolve_event3.cs test has been fixed
1119 * accordingly, it would fail on the MS runtime before).
1120 * The second load attempt has the basedir set to keep compatibility with the old mono behavior, for
1121 * example bug-349190.2.cs and who knows how much more code in the wild.
1123 reference = mono_assembly_load_full_internal (&aname, image->assembly, NULL, &status, FALSE);
1124 if (!reference && image->assembly)
1125 reference = mono_assembly_load_full_internal (&aname, image->assembly, image->assembly->basedir, &status, FALSE);
1128 if (reference == NULL){
1131 if (status == MONO_IMAGE_ERROR_ERRNO && errno == ENOENT) {
1132 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 : "" );
1133 } else if (status == MONO_IMAGE_ERROR_ERRNO) {
1134 extra_msg = g_strdup_printf ("System error: %s\n", strerror (errno));
1135 } else if (status == MONO_IMAGE_MISSING_ASSEMBLYREF) {
1136 extra_msg = g_strdup ("Cannot find an assembly referenced from this one.\n");
1137 } else if (status == MONO_IMAGE_IMAGE_INVALID) {
1138 extra_msg = g_strdup ("The file exists but is not a valid assembly.\n");
1140 extra_msg = g_strdup ("");
1143 mono_trace (G_LOG_LEVEL_WARNING, MONO_TRACE_ASSEMBLY, "The following assembly referenced from %s could not be loaded:\n"
1144 " Assembly: %s (assemblyref_index=%d)\n"
1145 " Version: %d.%d.%d.%d\n"
1146 " Public Key: %s\n%s",
1147 image->name, aname.name, index,
1148 aname.major, aname.minor, aname.build, aname.revision,
1149 strlen ((char*)aname.public_key_token) == 0 ? "(none)" : (char*)aname.public_key_token, extra_msg);
1153 mono_assemblies_lock ();
1154 if (reference == NULL) {
1155 /* Flag as not found */
1156 reference = REFERENCE_MISSING;
1159 if (!image->references [index]) {
1160 if (reference != REFERENCE_MISSING){
1161 mono_assembly_addref (reference);
1162 if (image->assembly)
1163 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_ASSEMBLY, "Assembly Ref addref %s[%p] -> %s[%p]: %d",
1164 image->assembly->aname.name, image->assembly, reference->aname.name, reference, reference->ref_count);
1166 if (image->assembly)
1167 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_ASSEMBLY, "Failed to load assembly %s[%p]\n",
1168 image->assembly->aname.name, image->assembly);
1171 image->references [index] = reference;
1173 mono_assemblies_unlock ();
1175 if (image->references [index] != reference) {
1176 /* Somebody loaded it before us */
1177 mono_assembly_close (reference);
1182 mono_assembly_load_references (MonoImage *image, MonoImageOpenStatus *status)
1184 /* This is a no-op now but it is part of the embedding API so we can't remove it */
1185 *status = MONO_IMAGE_OK;
1188 typedef struct AssemblyLoadHook AssemblyLoadHook;
1189 struct AssemblyLoadHook {
1190 AssemblyLoadHook *next;
1191 MonoAssemblyLoadFunc func;
1195 AssemblyLoadHook *assembly_load_hook = NULL;
1198 mono_assembly_invoke_load_hook (MonoAssembly *ass)
1200 AssemblyLoadHook *hook;
1202 for (hook = assembly_load_hook; hook; hook = hook->next) {
1203 hook->func (ass, hook->user_data);
1208 mono_install_assembly_load_hook (MonoAssemblyLoadFunc func, gpointer user_data)
1210 AssemblyLoadHook *hook;
1212 g_return_if_fail (func != NULL);
1214 hook = g_new0 (AssemblyLoadHook, 1);
1216 hook->user_data = user_data;
1217 hook->next = assembly_load_hook;
1218 assembly_load_hook = hook;
1222 free_assembly_load_hooks (void)
1224 AssemblyLoadHook *hook, *next;
1226 for (hook = assembly_load_hook; hook; hook = next) {
1232 typedef struct AssemblySearchHook AssemblySearchHook;
1233 struct AssemblySearchHook {
1234 AssemblySearchHook *next;
1235 MonoAssemblySearchFunc func;
1241 AssemblySearchHook *assembly_search_hook = NULL;
1243 static MonoAssembly*
1244 mono_assembly_invoke_search_hook_internal (MonoAssemblyName *aname, MonoAssembly *requesting, gboolean refonly, gboolean postload)
1246 AssemblySearchHook *hook;
1248 for (hook = assembly_search_hook; hook; hook = hook->next) {
1249 if ((hook->refonly == refonly) && (hook->postload == postload)) {
1252 * A little explanation is in order here.
1254 * The default postload search hook needs to know the requesting assembly to report it to managed code.
1255 * The embedding API exposes a search hook that doesn't take such argument.
1257 * The original fix would call the default search hook before all the registered ones and pass
1258 * the requesting assembly to it. It works but broke a very suddle embedding API aspect that some users
1259 * rely on. Which is the ordering between user hooks and the default runtime hook.
1261 * Registering the hook after mono_jit_init would let your hook run before the default one and
1262 * when using it to handle non standard app layouts this could save your app from a massive amount
1263 * of syscalls that the default hook does when probing all sorts of places. Slow targets with horrible IO
1264 * are all using this trick and if we broke this assumption they would be very disapointed at us.
1266 * So what's the fix? We register the default hook using regular means and special case it when iterating
1267 * over the registered hooks. This preserves ordering and enables managed resolve hooks to get the requesting
1270 if (hook->func == (void*)mono_domain_assembly_postload_search)
1271 ass = mono_domain_assembly_postload_search (aname, requesting, refonly);
1273 ass = hook->func (aname, hook->user_data);
1283 mono_assembly_invoke_search_hook (MonoAssemblyName *aname)
1285 return mono_assembly_invoke_search_hook_internal (aname, NULL, FALSE, FALSE);
1289 mono_install_assembly_search_hook_internal (MonoAssemblySearchFunc func, gpointer user_data, gboolean refonly, gboolean postload)
1291 AssemblySearchHook *hook;
1293 g_return_if_fail (func != NULL);
1295 hook = g_new0 (AssemblySearchHook, 1);
1297 hook->user_data = user_data;
1298 hook->refonly = refonly;
1299 hook->postload = postload;
1300 hook->next = assembly_search_hook;
1301 assembly_search_hook = hook;
1305 mono_install_assembly_search_hook (MonoAssemblySearchFunc func, gpointer user_data)
1307 mono_install_assembly_search_hook_internal (func, user_data, FALSE, FALSE);
1311 free_assembly_search_hooks (void)
1313 AssemblySearchHook *hook, *next;
1315 for (hook = assembly_search_hook; hook; hook = next) {
1322 mono_install_assembly_refonly_search_hook (MonoAssemblySearchFunc func, gpointer user_data)
1324 mono_install_assembly_search_hook_internal (func, user_data, TRUE, FALSE);
1328 mono_install_assembly_postload_search_hook (MonoAssemblySearchFunc func, gpointer user_data)
1330 mono_install_assembly_search_hook_internal (func, user_data, FALSE, TRUE);
1334 mono_install_assembly_postload_refonly_search_hook (MonoAssemblySearchFunc func, gpointer user_data)
1336 mono_install_assembly_search_hook_internal (func, user_data, TRUE, TRUE);
1339 typedef struct AssemblyPreLoadHook AssemblyPreLoadHook;
1340 struct AssemblyPreLoadHook {
1341 AssemblyPreLoadHook *next;
1342 MonoAssemblyPreLoadFunc func;
1346 static AssemblyPreLoadHook *assembly_preload_hook = NULL;
1347 static AssemblyPreLoadHook *assembly_refonly_preload_hook = NULL;
1349 static MonoAssembly *
1350 invoke_assembly_preload_hook (MonoAssemblyName *aname, gchar **assemblies_path)
1352 AssemblyPreLoadHook *hook;
1353 MonoAssembly *assembly;
1355 for (hook = assembly_preload_hook; hook; hook = hook->next) {
1356 assembly = hook->func (aname, assemblies_path, hook->user_data);
1357 if (assembly != NULL)
1364 static MonoAssembly *
1365 invoke_assembly_refonly_preload_hook (MonoAssemblyName *aname, gchar **assemblies_path)
1367 AssemblyPreLoadHook *hook;
1368 MonoAssembly *assembly;
1370 for (hook = assembly_refonly_preload_hook; hook; hook = hook->next) {
1371 assembly = hook->func (aname, assemblies_path, hook->user_data);
1372 if (assembly != NULL)
1380 mono_install_assembly_preload_hook (MonoAssemblyPreLoadFunc func, gpointer user_data)
1382 AssemblyPreLoadHook *hook;
1384 g_return_if_fail (func != NULL);
1386 hook = g_new0 (AssemblyPreLoadHook, 1);
1388 hook->user_data = user_data;
1389 hook->next = assembly_preload_hook;
1390 assembly_preload_hook = hook;
1394 mono_install_assembly_refonly_preload_hook (MonoAssemblyPreLoadFunc func, gpointer user_data)
1396 AssemblyPreLoadHook *hook;
1398 g_return_if_fail (func != NULL);
1400 hook = g_new0 (AssemblyPreLoadHook, 1);
1402 hook->user_data = user_data;
1403 hook->next = assembly_refonly_preload_hook;
1404 assembly_refonly_preload_hook = hook;
1408 free_assembly_preload_hooks (void)
1410 AssemblyPreLoadHook *hook, *next;
1412 for (hook = assembly_preload_hook; hook; hook = next) {
1417 for (hook = assembly_refonly_preload_hook; hook; hook = next) {
1424 absolute_dir (const gchar *filename)
1435 if (g_path_is_absolute (filename)) {
1436 part = g_path_get_dirname (filename);
1437 res = g_strconcat (part, G_DIR_SEPARATOR_S, NULL);
1442 cwd = g_get_current_dir ();
1443 mixed = g_build_filename (cwd, filename, NULL);
1444 parts = g_strsplit (mixed, G_DIR_SEPARATOR_S, 0);
1449 for (i = 0; (part = parts [i]) != NULL; i++) {
1450 if (!strcmp (part, "."))
1453 if (!strcmp (part, "..")) {
1454 if (list && list->next) /* Don't remove root */
1455 list = g_list_delete_link (list, list);
1457 list = g_list_prepend (list, part);
1461 result = g_string_new ("");
1462 list = g_list_reverse (list);
1464 /* Ignores last data pointer, which should be the filename */
1465 for (tmp = list; tmp && tmp->next != NULL; tmp = tmp->next){
1467 g_string_append_printf (result, "%s%c", (char *) tmp->data,
1472 g_string_free (result, FALSE);
1477 return g_strdup (".");
1484 * mono_assembly_open_from_bundle:
1485 * @filename: Filename requested
1486 * @status: return value
1488 * This routine tries to open the assembly specified by `filename' from the
1489 * defined bundles, if found, returns the MonoImage for it, if not found
1493 mono_assembly_open_from_bundle (const char *filename, MonoImageOpenStatus *status, gboolean refonly)
1497 MonoImage *image = NULL;
1500 * we do a very simple search for bundled assemblies: it's not a general
1501 * purpose assembly loading mechanism.
1507 name = g_path_get_basename (filename);
1509 mono_assemblies_lock ();
1510 for (i = 0; !image && bundles [i]; ++i) {
1511 if (strcmp (bundles [i]->name, name) == 0) {
1512 image = mono_image_open_from_data_with_name ((char*)bundles [i]->data, bundles [i]->size, FALSE, status, refonly, name);
1516 mono_assemblies_unlock ();
1518 mono_image_addref (image);
1519 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_ASSEMBLY, "Assembly Loader loaded assembly from bundle: '%s'.", name);
1528 mono_assembly_open_full (const char *filename, MonoImageOpenStatus *status, gboolean refonly)
1532 MonoImageOpenStatus def_status;
1535 gboolean loaded_from_bundle;
1537 g_return_val_if_fail (filename != NULL, NULL);
1540 status = &def_status;
1541 *status = MONO_IMAGE_OK;
1543 if (strncmp (filename, "file://", 7) == 0) {
1544 GError *error = NULL;
1545 gchar *uri = (gchar *) filename;
1549 * MS allows file://c:/... and fails on file://localhost/c:/...
1550 * They also throw an IndexOutOfRangeException if "file://"
1553 uri = g_strdup_printf ("file:///%s", uri + 7);
1556 uri = mono_escape_uri_string (tmpuri);
1557 fname = g_filename_from_uri (uri, NULL, &error);
1560 if (tmpuri != filename)
1563 if (error != NULL) {
1564 g_warning ("%s\n", error->message);
1565 g_error_free (error);
1566 fname = g_strdup (filename);
1569 fname = g_strdup (filename);
1572 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_ASSEMBLY,
1573 "Assembly Loader probing location: '%s'.", fname);
1576 if (!mono_assembly_is_in_gac (fname))
1577 new_fname = mono_make_shadow_copy (fname);
1578 if (new_fname && new_fname != fname) {
1581 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_ASSEMBLY,
1582 "Assembly Loader shadow-copied assembly to: '%s'.", fname);
1587 loaded_from_bundle = FALSE;
1588 if (bundles != NULL) {
1589 image = mono_assembly_open_from_bundle (fname, status, refonly);
1590 loaded_from_bundle = image != NULL;
1594 image = mono_image_open_full (fname, status, refonly);
1597 if (*status == MONO_IMAGE_OK)
1598 *status = MONO_IMAGE_ERROR_ERRNO;
1603 if (image->assembly) {
1604 /* Already loaded by another appdomain */
1605 mono_assembly_invoke_load_hook (image->assembly);
1606 mono_image_close (image);
1608 return image->assembly;
1611 ass = mono_assembly_load_from_full (image, fname, status, refonly);
1614 if (!loaded_from_bundle)
1615 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_ASSEMBLY,
1616 "Assembly Loader loaded assembly from location: '%s'.", filename);
1618 mono_config_for_assembly (ass->image);
1621 /* Clear the reference added by mono_image_open */
1622 mono_image_close (image);
1630 free_item (gpointer val, gpointer user_data)
1636 * mono_assembly_load_friends:
1639 * Load the list of friend assemblies that are allowed to access
1640 * the assembly's internal types and members. They are stored as assembly
1641 * names in custom attributes.
1643 * This is an internal method, we need this because when we load mscorlib
1644 * we do not have the mono_defaults.internals_visible_class loaded yet,
1645 * so we need to load these after we initialize the runtime.
1647 * LOCKING: Acquires the assemblies lock plus the loader lock.
1650 mono_assembly_load_friends (MonoAssembly* ass)
1653 MonoCustomAttrInfo* attrs;
1656 if (ass->friend_assembly_names_inited)
1659 attrs = mono_custom_attrs_from_assembly (ass);
1661 mono_assemblies_lock ();
1662 ass->friend_assembly_names_inited = TRUE;
1663 mono_assemblies_unlock ();
1667 mono_assemblies_lock ();
1668 if (ass->friend_assembly_names_inited) {
1669 mono_assemblies_unlock ();
1672 mono_assemblies_unlock ();
1676 * We build the list outside the assemblies lock, the worse that can happen
1677 * is that we'll need to free the allocated list.
1679 for (i = 0; i < attrs->num_attrs; ++i) {
1680 MonoCustomAttrEntry *attr = &attrs->attrs [i];
1681 MonoAssemblyName *aname;
1683 /* Do some sanity checking */
1684 if (!attr->ctor || attr->ctor->klass != mono_defaults.internals_visible_class)
1686 if (attr->data_size < 4)
1688 data = (const char*)attr->data;
1689 /* 0xFF means null string, see custom attr format */
1690 if (data [0] != 1 || data [1] != 0 || (data [2] & 0xFF) == 0xFF)
1692 mono_metadata_decode_value (data + 2, &data);
1693 aname = g_new0 (MonoAssemblyName, 1);
1694 /*g_print ("friend ass: %s\n", data);*/
1695 if (mono_assembly_name_parse_full (data, aname, TRUE, NULL, NULL)) {
1696 list = g_slist_prepend (list, aname);
1701 mono_custom_attrs_free (attrs);
1703 mono_assemblies_lock ();
1704 if (ass->friend_assembly_names_inited) {
1705 mono_assemblies_unlock ();
1706 g_slist_foreach (list, free_item, NULL);
1707 g_slist_free (list);
1710 ass->friend_assembly_names = list;
1712 /* Because of the double checked locking pattern above */
1713 mono_memory_barrier ();
1714 ass->friend_assembly_names_inited = TRUE;
1715 mono_assemblies_unlock ();
1719 * mono_assembly_open:
1720 * @filename: Opens the assembly pointed out by this name
1721 * @status: where a status code can be returned
1723 * mono_assembly_open opens the PE-image pointed by @filename, and
1724 * loads any external assemblies referenced by it.
1726 * Return: a pointer to the MonoAssembly if @filename contains a valid
1727 * assembly or NULL on error. Details about the error are stored in the
1731 mono_assembly_open (const char *filename, MonoImageOpenStatus *status)
1733 return mono_assembly_open_full (filename, status, FALSE);
1737 mono_assembly_load_from_full (MonoImage *image, const char*fname,
1738 MonoImageOpenStatus *status, gboolean refonly)
1740 MonoAssembly *ass, *ass2;
1743 if (!image->tables [MONO_TABLE_ASSEMBLY].rows) {
1744 /* 'image' doesn't have a manifest -- maybe someone is trying to Assembly.Load a .netmodule */
1745 *status = MONO_IMAGE_IMAGE_INVALID;
1749 #if defined (HOST_WIN32)
1754 tmp_fn = g_strdup (fname);
1755 for (i = strlen (tmp_fn) - 1; i >= 0; i--) {
1756 if (tmp_fn [i] == '/')
1760 base_dir = absolute_dir (tmp_fn);
1764 base_dir = absolute_dir (fname);
1768 * Create assembly struct, and enter it into the assembly cache
1770 ass = g_new0 (MonoAssembly, 1);
1771 ass->basedir = base_dir;
1772 ass->ref_only = refonly;
1775 mono_profiler_assembly_event (ass, MONO_PROFILE_START_LOAD);
1777 mono_assembly_fill_assembly_name (image, &ass->aname);
1779 if (mono_defaults.corlib && strcmp (ass->aname.name, "mscorlib") == 0) {
1780 // MS.NET doesn't support loading other mscorlibs
1783 mono_image_addref (mono_defaults.corlib);
1784 *status = MONO_IMAGE_OK;
1785 return mono_defaults.corlib->assembly;
1788 /* Add a non-temporary reference because of ass->image */
1789 mono_image_addref (image);
1791 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);
1794 * The load hooks might take locks so we can't call them while holding the
1797 if (ass->aname.name) {
1798 ass2 = mono_assembly_invoke_search_hook_internal (&ass->aname, NULL, refonly, FALSE);
1802 mono_image_close (image);
1803 *status = MONO_IMAGE_OK;
1808 mono_assemblies_lock ();
1810 if (image->assembly) {
1812 * This means another thread has already loaded the assembly, but not yet
1813 * called the load hooks so the search hook can't find the assembly.
1815 mono_assemblies_unlock ();
1816 ass2 = image->assembly;
1819 mono_image_close (image);
1820 *status = MONO_IMAGE_OK;
1824 image->assembly = ass;
1826 loaded_assemblies = g_list_prepend (loaded_assemblies, ass);
1827 mono_assemblies_unlock ();
1830 if (image->is_module_handle)
1831 mono_image_fixup_vtable (image);
1834 mono_assembly_invoke_load_hook (ass);
1836 mono_profiler_assembly_loaded (ass, MONO_PROFILE_OK);
1842 mono_assembly_load_from (MonoImage *image, const char *fname,
1843 MonoImageOpenStatus *status)
1845 return mono_assembly_load_from_full (image, fname, status, FALSE);
1849 * mono_assembly_name_free:
1850 * @aname: assembly name to free
1852 * Frees the provided assembly name object.
1853 * (it does not frees the object itself, only the name members).
1856 mono_assembly_name_free (MonoAssemblyName *aname)
1861 g_free ((void *) aname->name);
1862 g_free ((void *) aname->culture);
1863 g_free ((void *) aname->hash_value);
1867 parse_public_key (const gchar *key, gchar** pubkey, gboolean *is_ecma)
1870 gchar header [16], val, *arr;
1871 gint i, j, offset, bitlen, keylen, pkeylen;
1873 keylen = strlen (key) >> 1;
1877 /* allow the ECMA standard key */
1878 if (strcmp (key, "00000000000000000400000000000000") == 0) {
1880 *pubkey = g_strdup (key);
1886 val = g_ascii_xdigit_value (key [0]) << 4;
1887 val |= g_ascii_xdigit_value (key [1]);
1892 val = g_ascii_xdigit_value (key [24]);
1893 val |= g_ascii_xdigit_value (key [25]);
1905 /* We need the first 16 bytes
1906 * to check whether this key is valid or not */
1907 pkeylen = strlen (pkey) >> 1;
1911 for (i = 0, j = 0; i < 16; i++) {
1912 header [i] = g_ascii_xdigit_value (pkey [j++]) << 4;
1913 header [i] |= g_ascii_xdigit_value (pkey [j++]);
1916 if (header [0] != 0x06 || /* PUBLICKEYBLOB (0x06) */
1917 header [1] != 0x02 || /* Version (0x02) */
1918 header [2] != 0x00 || /* Reserved (word) */
1919 header [3] != 0x00 ||
1920 (guint)(read32 (header + 8)) != 0x31415352) /* DWORD magic = RSA1 */
1923 /* Based on this length, we _should_ be able to know if the length is right */
1924 bitlen = read32 (header + 12) >> 3;
1925 if ((bitlen + 16 + 4) != pkeylen)
1928 /* parsing is OK and the public key itself is not requested back */
1932 /* Encode the size of the blob */
1934 if (keylen <= 127) {
1935 arr = g_malloc (keylen + 1);
1936 arr [offset++] = keylen;
1938 arr = g_malloc (keylen + 2);
1939 arr [offset++] = 0x80; /* 10bs */
1940 arr [offset++] = keylen;
1943 for (i = offset, j = 0; i < keylen + offset; i++) {
1944 arr [i] = g_ascii_xdigit_value (key [j++]) << 4;
1945 arr [i] |= g_ascii_xdigit_value (key [j++]);
1954 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)
1956 gint major, minor, build, revision;
1959 gchar *pkey, *pkeyptr, *encoded, tok [8];
1961 memset (aname, 0, sizeof (MonoAssemblyName));
1964 version_parts = sscanf (version, "%u.%u.%u.%u", &major, &minor, &build, &revision);
1965 if (version_parts < 2 || version_parts > 4)
1968 /* FIXME: we should set build & revision to -1 (instead of 0)
1969 if these are not set in the version string. That way, later on,
1970 we can still determine if these were specified. */
1971 aname->major = major;
1972 aname->minor = minor;
1973 if (version_parts >= 3)
1974 aname->build = build;
1977 if (version_parts == 4)
1978 aname->revision = revision;
1980 aname->revision = 0;
1983 aname->flags = flags;
1985 aname->name = g_strdup (name);
1988 if (g_ascii_strcasecmp (culture, "neutral") == 0)
1989 aname->culture = g_strdup ("");
1991 aname->culture = g_strdup (culture);
1994 if (token && strncmp (token, "null", 4) != 0) {
1997 /* the constant includes the ending NULL, hence the -1 */
1998 if (strlen (token) != (MONO_PUBLIC_KEY_TOKEN_LENGTH - 1)) {
1999 mono_assembly_name_free (aname);
2002 lower = g_ascii_strdown (token, MONO_PUBLIC_KEY_TOKEN_LENGTH);
2003 g_strlcpy ((char*)aname->public_key_token, lower, MONO_PUBLIC_KEY_TOKEN_LENGTH);
2009 if (strcmp (key, "null") == 0 || !parse_public_key (key, &pkey, &is_ecma)) {
2010 mono_assembly_name_free (aname);
2015 if (save_public_key)
2016 aname->public_key = (guint8*)pkey;
2019 g_strlcpy ((gchar*)aname->public_key_token, "b77a5c561934e089", MONO_PUBLIC_KEY_TOKEN_LENGTH);
2023 len = mono_metadata_decode_blob_size ((const gchar *) pkey, (const gchar **) &pkeyptr);
2024 // We also need to generate the key token
2025 mono_digest_get_public_token ((guchar*) tok, (guint8*) pkeyptr, len);
2026 encoded = encode_public_tok ((guchar*) tok, 8);
2027 g_strlcpy ((gchar*)aname->public_key_token, encoded, MONO_PUBLIC_KEY_TOKEN_LENGTH);
2030 if (save_public_key)
2031 aname->public_key = (guint8*) pkey;
2040 parse_assembly_directory_name (const char *name, const char *dirname, MonoAssemblyName *aname)
2045 parts = g_strsplit (dirname, "_", 3);
2046 if (!parts || !parts[0] || !parts[1] || !parts[2]) {
2051 res = build_assembly_name (name, parts[0], parts[1], parts[2], NULL, 0, 0, aname, FALSE);
2057 split_key_value (const gchar *pair, gchar **key, guint32 *keylen, gchar **value)
2059 char *eqsign = strchr (pair, '=');
2067 *key = (gchar*)pair;
2068 *keylen = eqsign - *key;
2069 while (*keylen > 0 && g_ascii_isspace ((*key) [*keylen - 1]))
2071 *value = g_strstrip (eqsign + 1);
2076 mono_assembly_name_parse_full (const char *name, MonoAssemblyName *aname, gboolean save_public_key, gboolean *is_version_defined, gboolean *is_token_defined)
2079 gchar *version = NULL;
2080 gchar *culture = NULL;
2081 gchar *token = NULL;
2083 gchar *retargetable = NULL;
2085 gchar *value, *part_name;
2086 guint32 part_name_len;
2089 gboolean version_defined;
2090 gboolean token_defined;
2092 guint32 arch = MONO_PROCESSOR_ARCHITECTURE_NONE;
2094 if (!is_version_defined)
2095 is_version_defined = &version_defined;
2096 *is_version_defined = FALSE;
2097 if (!is_token_defined)
2098 is_token_defined = &token_defined;
2099 *is_token_defined = FALSE;
2101 parts = tmp = g_strsplit (name, ",", 6);
2102 if (!tmp || !*tmp) {
2107 dllname = g_strstrip (*tmp);
2112 if (!split_key_value (g_strstrip (*tmp), &part_name, &part_name_len, &value))
2113 goto cleanup_and_fail;
2115 if (part_name_len == 7 && !g_ascii_strncasecmp (part_name, "Version", part_name_len)) {
2116 *is_version_defined = TRUE;
2118 if (strlen (version) == 0) {
2119 goto cleanup_and_fail;
2125 if (part_name_len == 7 && !g_ascii_strncasecmp (part_name, "Culture", part_name_len)) {
2127 if (strlen (culture) == 0) {
2128 goto cleanup_and_fail;
2134 if (part_name_len == 14 && !g_ascii_strncasecmp (part_name, "PublicKeyToken", part_name_len)) {
2135 *is_token_defined = TRUE;
2137 if (strlen (token) == 0) {
2138 goto cleanup_and_fail;
2144 if (part_name_len == 9 && !g_ascii_strncasecmp (part_name, "PublicKey", part_name_len)) {
2146 if (strlen (key) == 0) {
2147 goto cleanup_and_fail;
2153 if (part_name_len == 12 && !g_ascii_strncasecmp (part_name, "Retargetable", part_name_len)) {
2154 retargetable = value;
2155 if (strlen (retargetable) == 0) {
2156 goto cleanup_and_fail;
2158 if (!g_ascii_strcasecmp (retargetable, "yes")) {
2159 flags |= ASSEMBLYREF_RETARGETABLE_FLAG;
2160 } else if (g_ascii_strcasecmp (retargetable, "no")) {
2161 goto cleanup_and_fail;
2167 if (part_name_len == 21 && !g_ascii_strncasecmp (part_name, "ProcessorArchitecture", part_name_len)) {
2168 if (!g_ascii_strcasecmp (value, "MSIL"))
2169 arch = MONO_PROCESSOR_ARCHITECTURE_MSIL;
2170 else if (!g_ascii_strcasecmp (value, "X86"))
2171 arch = MONO_PROCESSOR_ARCHITECTURE_X86;
2172 else if (!g_ascii_strcasecmp (value, "IA64"))
2173 arch = MONO_PROCESSOR_ARCHITECTURE_IA64;
2174 else if (!g_ascii_strcasecmp (value, "AMD64"))
2175 arch = MONO_PROCESSOR_ARCHITECTURE_AMD64;
2177 goto cleanup_and_fail;
2186 /* if retargetable flag is set, then we must have a fully qualified name */
2187 if (retargetable != NULL && (version == NULL || culture == NULL || (key == NULL && token == NULL))) {
2188 goto cleanup_and_fail;
2191 res = build_assembly_name (dllname, version, culture, token, key, flags, arch,
2192 aname, save_public_key);
2202 * mono_assembly_name_parse:
2203 * @name: name to parse
2204 * @aname: the destination assembly name
2206 * Parses an assembly qualified type name and assigns the name,
2207 * version, culture and token to the provided assembly name object.
2209 * Returns: true if the name could be parsed.
2212 mono_assembly_name_parse (const char *name, MonoAssemblyName *aname)
2214 return mono_assembly_name_parse_full (name, aname, FALSE, NULL, NULL);
2218 * mono_assembly_name_new:
2219 * @name: name to parse
2221 * Allocate a new MonoAssemblyName and fill its values from the
2224 * Returns: a newly allocated structure or NULL if there was any failure.
2227 mono_assembly_name_new (const char *name)
2229 MonoAssemblyName *aname = g_new0 (MonoAssemblyName, 1);
2230 if (mono_assembly_name_parse (name, aname))
2237 mono_assembly_name_get_name (MonoAssemblyName *aname)
2243 mono_assembly_name_get_culture (MonoAssemblyName *aname)
2245 return aname->culture;
2249 mono_assembly_name_get_pubkeytoken (MonoAssemblyName *aname)
2251 if (aname->public_key_token [0])
2252 return aname->public_key_token;
2257 mono_assembly_name_get_version (MonoAssemblyName *aname, uint16_t *minor, uint16_t *build, uint16_t *revision)
2260 *minor = aname->minor;
2262 *build = aname->build;
2264 *revision = aname->revision;
2265 return aname->major;
2268 static MonoAssembly*
2269 probe_for_partial_name (const char *basepath, const char *fullname, MonoAssemblyName *aname, MonoImageOpenStatus *status)
2271 gchar *fullpath = NULL;
2273 const char* direntry;
2274 MonoAssemblyName gac_aname;
2275 gint major=-1, minor=0, build=0, revision=0;
2276 gboolean exact_version;
2278 dirhandle = g_dir_open (basepath, 0, NULL);
2282 exact_version = (aname->major | aname->minor | aname->build | aname->revision) != 0;
2284 while ((direntry = g_dir_read_name (dirhandle))) {
2285 gboolean match = TRUE;
2287 if(!parse_assembly_directory_name (aname->name, direntry, &gac_aname))
2290 if (aname->culture != NULL && strcmp (aname->culture, gac_aname.culture) != 0)
2293 if (match && strlen ((char*)aname->public_key_token) > 0 &&
2294 !mono_public_tokens_are_equal (aname->public_key_token, gac_aname.public_key_token))
2298 if (exact_version) {
2299 match = (aname->major == gac_aname.major && aname->minor == gac_aname.minor &&
2300 aname->build == gac_aname.build && aname->revision == gac_aname.revision);
2302 else if (gac_aname.major < major)
2304 else if (gac_aname.major == major) {
2305 if (gac_aname.minor < minor)
2307 else if (gac_aname.minor == minor) {
2308 if (gac_aname.build < build)
2310 else if (gac_aname.build == build && gac_aname.revision <= revision)
2317 major = gac_aname.major;
2318 minor = gac_aname.minor;
2319 build = gac_aname.build;
2320 revision = gac_aname.revision;
2322 fullpath = g_build_path (G_DIR_SEPARATOR_S, basepath, direntry, fullname, NULL);
2325 mono_assembly_name_free (&gac_aname);
2328 g_dir_close (dirhandle);
2330 if (fullpath == NULL)
2333 MonoAssembly *res = mono_assembly_open (fullpath, status);
2340 mono_assembly_load_with_partial_name (const char *name, MonoImageOpenStatus *status)
2343 MonoAssemblyName *aname, base_name;
2344 MonoAssemblyName mapped_aname;
2345 gchar *fullname, *gacpath;
2348 memset (&base_name, 0, sizeof (MonoAssemblyName));
2351 if (!mono_assembly_name_parse (name, aname))
2355 * If no specific version has been requested, make sure we load the
2356 * correct version for system assemblies.
2358 if ((aname->major | aname->minor | aname->build | aname->revision) == 0)
2359 aname = mono_assembly_remap_version (aname, &mapped_aname);
2361 res = mono_assembly_loaded (aname);
2363 mono_assembly_name_free (aname);
2367 res = invoke_assembly_preload_hook (aname, assemblies_path);
2369 res->in_gac = FALSE;
2370 mono_assembly_name_free (aname);
2374 fullname = g_strdup_printf ("%s.dll", aname->name);
2376 if (extra_gac_paths) {
2377 paths = extra_gac_paths;
2378 while (!res && *paths) {
2379 gacpath = g_build_path (G_DIR_SEPARATOR_S, *paths, "lib", "mono", "gac", aname->name, NULL);
2380 res = probe_for_partial_name (gacpath, fullname, aname, status);
2389 mono_assembly_name_free (aname);
2393 gacpath = g_build_path (G_DIR_SEPARATOR_S, mono_assembly_getrootdir (), "mono", "gac", aname->name, NULL);
2394 res = probe_for_partial_name (gacpath, fullname, aname, status);
2400 MonoDomain *domain = mono_domain_get ();
2401 MonoReflectionAssembly *refasm = mono_try_assembly_resolve (domain, mono_string_new (domain, name), NULL, FALSE);
2403 res = refasm->assembly;
2407 mono_assembly_name_free (aname);
2413 mono_assembly_is_in_gac (const gchar *filename)
2415 const gchar *rootdir;
2419 if (filename == NULL)
2422 for (paths = extra_gac_paths; paths && *paths; paths++) {
2423 if (strstr (*paths, filename) != *paths)
2426 gp = (gchar *) (filename + strlen (*paths));
2427 if (*gp != G_DIR_SEPARATOR)
2430 if (strncmp (gp, "lib", 3))
2433 if (*gp != G_DIR_SEPARATOR)
2436 if (strncmp (gp, "mono", 4))
2439 if (*gp != G_DIR_SEPARATOR)
2442 if (strncmp (gp, "gac", 3))
2445 if (*gp != G_DIR_SEPARATOR)
2451 rootdir = mono_assembly_getrootdir ();
2452 if (strstr (filename, rootdir) != filename)
2455 gp = (gchar *) (filename + strlen (rootdir));
2456 if (*gp != G_DIR_SEPARATOR)
2459 if (strncmp (gp, "mono", 4))
2462 if (*gp != G_DIR_SEPARATOR)
2465 if (strncmp (gp, "gac", 3))
2468 if (*gp != G_DIR_SEPARATOR)
2474 mono_assembly_load_publisher_policy (MonoAssemblyName *aname)
2477 gchar *filename, *pname, *name, *culture, *version, *fullpath, *subpath;
2481 if (strstr (aname->name, ".dll")) {
2482 len = strlen (aname->name) - 4;
2483 name = g_malloc (len);
2484 strncpy (name, aname->name, len);
2486 name = g_strdup (aname->name);
2489 culture = g_utf8_strdown (aname->culture, -1);
2491 culture = g_strdup ("");
2493 pname = g_strdup_printf ("policy.%d.%d.%s", aname->major, aname->minor, name);
2494 version = g_strdup_printf ("0.0.0.0_%s_%s", culture, aname->public_key_token);
2498 filename = g_strconcat (pname, ".dll", NULL);
2499 subpath = g_build_path (G_DIR_SEPARATOR_S, pname, version, filename, NULL);
2505 if (extra_gac_paths) {
2506 paths = extra_gac_paths;
2507 while (!image && *paths) {
2508 fullpath = g_build_path (G_DIR_SEPARATOR_S, *paths,
2509 "lib", "mono", "gac", subpath, NULL);
2510 image = mono_image_open (fullpath, NULL);
2521 fullpath = g_build_path (G_DIR_SEPARATOR_S, mono_assembly_getrootdir (),
2522 "mono", "gac", subpath, NULL);
2523 image = mono_image_open (fullpath, NULL);
2530 static MonoAssemblyName*
2531 mono_assembly_bind_version (MonoAssemblyBindingInfo *info, MonoAssemblyName *aname, MonoAssemblyName *dest_name)
2533 memcpy (dest_name, aname, sizeof (MonoAssemblyName));
2534 dest_name->major = info->new_version.major;
2535 dest_name->minor = info->new_version.minor;
2536 dest_name->build = info->new_version.build;
2537 dest_name->revision = info->new_version.revision;
2542 /* LOCKING: assembly_binding lock must be held */
2543 static MonoAssemblyBindingInfo*
2544 search_binding_loaded (MonoAssemblyName *aname)
2548 for (tmp = loaded_assembly_bindings; tmp; tmp = tmp->next) {
2549 MonoAssemblyBindingInfo *info = tmp->data;
2550 if (assembly_binding_maps_name (info, aname))
2557 static inline gboolean
2558 info_compare_versions (AssemblyVersionSet *left, AssemblyVersionSet *right)
2560 if (left->major != right->major || left->minor != right->minor ||
2561 left->build != right->build || left->revision != right->revision)
2567 static inline gboolean
2568 info_versions_equal (MonoAssemblyBindingInfo *left, MonoAssemblyBindingInfo *right)
2570 if (left->has_old_version_bottom != right->has_old_version_bottom)
2573 if (left->has_old_version_top != right->has_old_version_top)
2576 if (left->has_new_version != right->has_new_version)
2579 if (left->has_old_version_bottom && !info_compare_versions (&left->old_version_bottom, &right->old_version_bottom))
2582 if (left->has_old_version_top && !info_compare_versions (&left->old_version_top, &right->old_version_top))
2585 if (left->has_new_version && !info_compare_versions (&left->new_version, &right->new_version))
2591 /* LOCKING: assumes all the necessary locks are held */
2593 assembly_binding_info_parsed (MonoAssemblyBindingInfo *info, void *user_data)
2595 MonoAssemblyBindingInfo *info_copy;
2597 MonoAssemblyBindingInfo *info_tmp;
2598 MonoDomain *domain = (MonoDomain*)user_data;
2603 for (tmp = domain->assembly_bindings; tmp; tmp = tmp->next) {
2604 info_tmp = tmp->data;
2605 if (strcmp (info->name, info_tmp->name) == 0 && info_versions_equal (info, info_tmp))
2609 info_copy = mono_mempool_alloc0 (domain->mp, sizeof (MonoAssemblyBindingInfo));
2610 memcpy (info_copy, info, sizeof (MonoAssemblyBindingInfo));
2612 info_copy->name = mono_mempool_strdup (domain->mp, info->name);
2614 info_copy->culture = mono_mempool_strdup (domain->mp, info->culture);
2616 domain->assembly_bindings = g_slist_append_mempool (domain->mp, domain->assembly_bindings, info_copy);
2620 get_version_number (int major, int minor)
2622 return major * 256 + minor;
2625 static inline gboolean
2626 info_major_minor_in_range (MonoAssemblyBindingInfo *info, MonoAssemblyName *aname)
2628 int aname_version_number = get_version_number (aname->major, aname->minor);
2629 if (!info->has_old_version_bottom)
2632 if (get_version_number (info->old_version_bottom.major, info->old_version_bottom.minor) > aname_version_number)
2635 if (info->has_old_version_top && get_version_number (info->old_version_top.major, info->old_version_top.minor) < aname_version_number)
2638 /* This is not the nicest way to do it, but it's a by-product of the way parsing is done */
2639 info->major = aname->major;
2640 info->minor = aname->minor;
2645 /* LOCKING: Assumes that we are already locked - both loader and domain locks */
2646 static MonoAssemblyBindingInfo*
2647 get_per_domain_assembly_binding_info (MonoDomain *domain, MonoAssemblyName *aname)
2649 MonoAssemblyBindingInfo *info;
2652 if (!domain->assembly_bindings)
2656 for (list = domain->assembly_bindings; list; list = list->next) {
2658 if (info && !strcmp (aname->name, info->name) && info_major_minor_in_range (info, aname))
2664 if (info->name && info->public_key_token [0] && info->has_old_version_bottom &&
2665 info->has_new_version && assembly_binding_maps_name (info, aname))
2666 info->is_valid = TRUE;
2668 info->is_valid = FALSE;
2674 static MonoAssemblyName*
2675 mono_assembly_apply_binding (MonoAssemblyName *aname, MonoAssemblyName *dest_name)
2677 MonoAssemblyBindingInfo *info, *info2;
2681 if (aname->public_key_token [0] == 0)
2684 domain = mono_domain_get ();
2686 mono_assembly_binding_lock ();
2687 info = search_binding_loaded (aname);
2688 mono_assembly_binding_unlock ();
2691 mono_domain_lock (domain);
2692 info = get_per_domain_assembly_binding_info (domain, aname);
2693 mono_domain_unlock (domain);
2697 if (!check_policy_versions (info, aname))
2700 mono_assembly_bind_version (info, aname, dest_name);
2704 if (domain && domain->setup && domain->setup->configuration_file) {
2705 mono_domain_lock (domain);
2706 if (!domain->assembly_bindings_parsed) {
2707 gchar *domain_config_file_name = mono_string_to_utf8 (domain->setup->configuration_file);
2708 gchar *domain_config_file_path = mono_portability_find_file (domain_config_file_name, TRUE);
2710 if (!domain_config_file_path)
2711 domain_config_file_path = domain_config_file_name;
2713 mono_config_parse_assembly_bindings (domain_config_file_path, aname->major, aname->minor, domain, assembly_binding_info_parsed);
2714 domain->assembly_bindings_parsed = TRUE;
2715 if (domain_config_file_name != domain_config_file_path)
2716 g_free (domain_config_file_name);
2717 g_free (domain_config_file_path);
2720 info2 = get_per_domain_assembly_binding_info (domain, aname);
2723 info = g_memdup (info2, sizeof (MonoAssemblyBindingInfo));
2724 info->name = g_strdup (info2->name);
2725 info->culture = g_strdup (info2->culture);
2726 info->domain_id = domain->domain_id;
2729 mono_domain_unlock (domain);
2733 info = g_new0 (MonoAssemblyBindingInfo, 1);
2734 info->major = aname->major;
2735 info->minor = aname->minor;
2738 if (!info->is_valid) {
2739 ppimage = mono_assembly_load_publisher_policy (aname);
2741 get_publisher_policy_info (ppimage, aname, info);
2742 mono_image_close (ppimage);
2746 /* Define default error value if needed */
2747 if (!info->is_valid) {
2748 info->name = g_strdup (aname->name);
2749 info->culture = g_strdup (aname->culture);
2750 g_strlcpy ((char *)info->public_key_token, (const char *)aname->public_key_token, MONO_PUBLIC_KEY_TOKEN_LENGTH);
2753 mono_assembly_binding_lock ();
2754 info2 = search_binding_loaded (aname);
2756 /* This binding was added by another thread
2758 mono_assembly_binding_info_free (info);
2763 loaded_assembly_bindings = g_slist_prepend (loaded_assembly_bindings, info);
2765 mono_assembly_binding_unlock ();
2767 if (!info->is_valid || !check_policy_versions (info, aname))
2770 mono_assembly_bind_version (info, aname, dest_name);
2775 * mono_assembly_load_from_gac
2777 * @aname: The assembly name object
2779 static MonoAssembly*
2780 mono_assembly_load_from_gac (MonoAssemblyName *aname, gchar *filename, MonoImageOpenStatus *status, MonoBoolean refonly)
2782 MonoAssembly *result = NULL;
2783 gchar *name, *version, *culture, *fullpath, *subpath;
2788 if (aname->public_key_token [0] == 0) {
2792 if (strstr (aname->name, ".dll")) {
2793 len = strlen (filename) - 4;
2794 name = g_malloc (len);
2795 strncpy (name, aname->name, len);
2797 name = g_strdup (aname->name);
2800 if (aname->culture) {
2801 culture = g_utf8_strdown (aname->culture, -1);
2803 culture = g_strdup ("");
2806 pubtok = g_ascii_strdown ((char*)aname->public_key_token, MONO_PUBLIC_KEY_TOKEN_LENGTH);
2807 version = g_strdup_printf ("%d.%d.%d.%d_%s_%s", aname->major,
2808 aname->minor, aname->build, aname->revision,
2812 subpath = g_build_path (G_DIR_SEPARATOR_S, name, version, filename, NULL);
2817 if (extra_gac_paths) {
2818 paths = extra_gac_paths;
2819 while (!result && *paths) {
2820 fullpath = g_build_path (G_DIR_SEPARATOR_S, *paths, "lib", "mono", "gac", subpath, NULL);
2821 result = mono_assembly_open_full (fullpath, status, refonly);
2828 result->in_gac = TRUE;
2833 fullpath = g_build_path (G_DIR_SEPARATOR_S, mono_assembly_getrootdir (),
2834 "mono", "gac", subpath, NULL);
2835 result = mono_assembly_open_full (fullpath, status, refonly);
2839 result->in_gac = TRUE;
2847 mono_assembly_load_corlib (const MonoRuntimeInfo *runtime, MonoImageOpenStatus *status)
2850 MonoAssemblyName *aname;
2853 /* g_print ("corlib already loaded\n"); */
2857 #if defined(__native_client__)
2858 if (corlibData != NULL && corlibSize != 0) {
2860 /* First "FALSE" instructs mono not to make a copy. */
2861 /* Second "FALSE" says this is not just a ref. */
2862 MonoImage* image = mono_image_open_from_data_full (corlibData, corlibSize, FALSE, &status, FALSE);
2863 if (image == NULL || status != 0)
2864 g_print("mono_image_open_from_data_full failed: %d\n", status);
2865 corlib = mono_assembly_load_from_full (image, "mscorlib", &status, FALSE);
2866 if (corlib == NULL || status != 0)
2867 g_print ("mono_assembly_load_from_full failed: %d\n", status);
2873 aname = mono_assembly_name_new ("mscorlib.dll");
2874 corlib = invoke_assembly_preload_hook (aname, assemblies_path);
2875 mono_assembly_name_free (aname);
2880 if (assemblies_path) {
2881 corlib = load_in_path ("mscorlib.dll", (const char**)assemblies_path, status, FALSE);
2886 /* Load corlib from mono/<version> */
2888 corlib_file = g_build_filename ("mono", runtime->framework_version, "mscorlib.dll", NULL);
2889 if (assemblies_path) {
2890 corlib = load_in_path (corlib_file, (const char**)assemblies_path, status, FALSE);
2892 g_free (corlib_file);
2896 corlib = load_in_path (corlib_file, default_path, status, FALSE);
2897 g_free (corlib_file);
2899 if (corlib && !strcmp (runtime->framework_version, "4.5"))
2900 default_path [1] = g_strdup_printf ("%s/mono/4.5/Facades", default_path [0]);
2906 mono_assembly_load_full_nosearch (MonoAssemblyName *aname,
2907 const char *basedir,
2908 MonoImageOpenStatus *status,
2911 MonoAssembly *result;
2912 char *fullpath, *filename;
2913 MonoAssemblyName maped_aname;
2914 MonoAssemblyName maped_name_pp;
2919 aname = mono_assembly_remap_version (aname, &maped_aname);
2921 /* Reflection only assemblies don't get assembly binding */
2923 aname = mono_assembly_apply_binding (aname, &maped_name_pp);
2925 result = mono_assembly_loaded_full (aname, refonly);
2929 result = refonly ? invoke_assembly_refonly_preload_hook (aname, assemblies_path) : invoke_assembly_preload_hook (aname, assemblies_path);
2931 result->in_gac = FALSE;
2935 /* Currently we retrieve the loaded corlib for reflection
2936 * only requests, like a common reflection only assembly
2938 if (strcmp (aname->name, "mscorlib") == 0 || strcmp (aname->name, "mscorlib.dll") == 0) {
2939 return mono_assembly_load_corlib (mono_get_runtime_info (), status);
2942 len = strlen (aname->name);
2943 for (ext_index = 0; ext_index < 2; ext_index ++) {
2944 ext = ext_index == 0 ? ".dll" : ".exe";
2945 if (len > 4 && (!strcmp (aname->name + len - 4, ".dll") || !strcmp (aname->name + len - 4, ".exe"))) {
2946 filename = g_strdup (aname->name);
2947 /* Don't try appending .dll/.exe if it already has one of those extensions */
2950 filename = g_strconcat (aname->name, ext, NULL);
2953 result = mono_assembly_load_from_gac (aname, filename, status, refonly);
2960 fullpath = g_build_filename (basedir, filename, NULL);
2961 result = mono_assembly_open_full (fullpath, status, refonly);
2964 result->in_gac = FALSE;
2970 result = load_in_path (filename, default_path, status, refonly);
2972 result->in_gac = FALSE;
2982 mono_assembly_load_full_internal (MonoAssemblyName *aname, MonoAssembly *requesting, const char *basedir, MonoImageOpenStatus *status, gboolean refonly)
2984 MonoAssembly *result = mono_assembly_load_full_nosearch (aname, basedir, status, refonly);
2987 /* Try a postload search hook */
2988 result = mono_assembly_invoke_search_hook_internal (aname, requesting, refonly, TRUE);
2993 * mono_assembly_load_full:
2994 * @aname: A MonoAssemblyName with the assembly name to load.
2995 * @basedir: A directory to look up the assembly at.
2996 * @status: a pointer to a MonoImageOpenStatus to return the status of the load operation
2997 * @refonly: Whether this assembly is being opened in "reflection-only" mode.
2999 * Loads the assembly referenced by @aname, if the value of @basedir is not NULL, it
3000 * attempts to load the assembly from that directory before probing the standard locations.
3002 * If the assembly is being opened in reflection-only mode (@refonly set to TRUE) then no
3003 * assembly binding takes place.
3005 * Returns: the assembly referenced by @aname loaded or NULL on error. On error the
3006 * value pointed by status is updated with an error code.
3009 mono_assembly_load_full (MonoAssemblyName *aname, const char *basedir, MonoImageOpenStatus *status, gboolean refonly)
3011 return mono_assembly_load_full_internal (aname, NULL, basedir, status, refonly);
3015 * mono_assembly_load:
3016 * @aname: A MonoAssemblyName with the assembly name to load.
3017 * @basedir: A directory to look up the assembly at.
3018 * @status: a pointer to a MonoImageOpenStatus to return the status of the load operation
3020 * Loads the assembly referenced by @aname, if the value of @basedir is not NULL, it
3021 * attempts to load the assembly from that directory before probing the standard locations.
3023 * Returns: the assembly referenced by @aname loaded or NULL on error. On error the
3024 * value pointed by status is updated with an error code.
3027 mono_assembly_load (MonoAssemblyName *aname, const char *basedir, MonoImageOpenStatus *status)
3029 return mono_assembly_load_full_internal (aname, NULL, basedir, status, FALSE);
3033 mono_assembly_loaded_full (MonoAssemblyName *aname, gboolean refonly)
3036 MonoAssemblyName maped_aname;
3038 aname = mono_assembly_remap_version (aname, &maped_aname);
3040 res = mono_assembly_invoke_search_hook_internal (aname, NULL, refonly, FALSE);
3046 * mono_assembly_loaded:
3047 * @aname: an assembly to look for.
3049 * Returns: NULL If the given @aname assembly has not been loaded, or a pointer to
3050 * a MonoAssembly that matches the MonoAssemblyName specified.
3053 mono_assembly_loaded (MonoAssemblyName *aname)
3055 return mono_assembly_loaded_full (aname, FALSE);
3059 mono_assembly_release_gc_roots (MonoAssembly *assembly)
3061 if (assembly == NULL || assembly == REFERENCE_MISSING)
3064 if (assembly_is_dynamic (assembly)) {
3066 MonoDynamicImage *dynimg = (MonoDynamicImage *)assembly->image;
3067 for (i = 0; i < dynimg->image.module_count; ++i)
3068 mono_dynamic_image_release_gc_roots ((MonoDynamicImage *)dynimg->image.modules [i]);
3069 mono_dynamic_image_release_gc_roots (dynimg);
3074 * Returns whether mono_assembly_close_finish() must be called as
3075 * well. See comment for mono_image_close_except_pools() for why we
3076 * unload in two steps.
3079 mono_assembly_close_except_image_pools (MonoAssembly *assembly)
3082 g_return_val_if_fail (assembly != NULL, FALSE);
3084 if (assembly == REFERENCE_MISSING)
3087 /* Might be 0 already */
3088 if (InterlockedDecrement (&assembly->ref_count) > 0)
3091 mono_profiler_assembly_event (assembly, MONO_PROFILE_START_UNLOAD);
3093 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_ASSEMBLY, "Unloading assembly %s [%p].", assembly->aname.name, assembly);
3095 mono_debug_close_image (assembly->image);
3097 mono_assemblies_lock ();
3098 loaded_assemblies = g_list_remove (loaded_assemblies, assembly);
3099 mono_assemblies_unlock ();
3101 assembly->image->assembly = NULL;
3103 if (!mono_image_close_except_pools (assembly->image))
3104 assembly->image = NULL;
3106 for (tmp = assembly->friend_assembly_names; tmp; tmp = tmp->next) {
3107 MonoAssemblyName *fname = tmp->data;
3108 mono_assembly_name_free (fname);
3111 g_slist_free (assembly->friend_assembly_names);
3112 g_free (assembly->basedir);
3114 mono_profiler_assembly_event (assembly, MONO_PROFILE_END_UNLOAD);
3120 mono_assembly_close_finish (MonoAssembly *assembly)
3122 g_assert (assembly && assembly != REFERENCE_MISSING);
3124 if (assembly->image)
3125 mono_image_close_finish (assembly->image);
3127 if (assembly_is_dynamic (assembly)) {
3128 g_free ((char*)assembly->aname.culture);
3135 * mono_assembly_close:
3136 * @assembly: the assembly to release.
3138 * This method releases a reference to the @assembly. The assembly is
3139 * only released when all the outstanding references to it are released.
3142 mono_assembly_close (MonoAssembly *assembly)
3144 if (mono_assembly_close_except_image_pools (assembly))
3145 mono_assembly_close_finish (assembly);
3149 mono_assembly_load_module (MonoAssembly *assembly, guint32 idx)
3151 return mono_image_load_file_for_image (assembly->image, idx);
3155 mono_assembly_foreach (GFunc func, gpointer user_data)
3160 * We make a copy of the list to avoid calling the callback inside the
3161 * lock, which could lead to deadlocks.
3163 mono_assemblies_lock ();
3164 copy = g_list_copy (loaded_assemblies);
3165 mono_assemblies_unlock ();
3167 g_list_foreach (loaded_assemblies, func, user_data);
3173 * mono_assemblies_cleanup:
3175 * Free all resources used by this module.
3178 mono_assemblies_cleanup (void)
3182 mono_mutex_destroy (&assemblies_mutex);
3183 mono_mutex_destroy (&assembly_binding_mutex);
3185 for (l = loaded_assembly_bindings; l; l = l->next) {
3186 MonoAssemblyBindingInfo *info = l->data;
3188 mono_assembly_binding_info_free (info);
3191 g_slist_free (loaded_assembly_bindings);
3193 free_assembly_load_hooks ();
3194 free_assembly_search_hooks ();
3195 free_assembly_preload_hooks ();
3198 /*LOCKING takes the assembly_binding lock*/
3200 mono_assembly_cleanup_domain_bindings (guint32 domain_id)
3204 mono_assembly_binding_lock ();
3205 iter = &loaded_assembly_bindings;
3208 MonoAssemblyBindingInfo *info = l->data;
3210 if (info->domain_id == domain_id) {
3212 mono_assembly_binding_info_free (info);
3219 mono_assembly_binding_unlock ();
3223 * Holds the assembly of the application, for
3224 * System.Diagnostics.Process::MainModule
3226 static MonoAssembly *main_assembly=NULL;
3229 mono_assembly_set_main (MonoAssembly *assembly)
3231 main_assembly = assembly;
3235 * mono_assembly_get_main:
3237 * Returns: the assembly for the application, the first assembly that is loaded by the VM
3240 mono_assembly_get_main (void)
3242 return (main_assembly);
3246 * mono_assembly_get_image:
3247 * @assembly: The assembly to retrieve the image from
3249 * Returns: the MonoImage associated with this assembly.
3252 mono_assembly_get_image (MonoAssembly *assembly)
3254 return assembly->image;
3258 * mono_assembly_get_name:
3259 * @assembly: The assembly to retrieve the name from
3261 * The returned name's lifetime is the same as @assembly's.
3263 * Returns: the MonoAssemblyName associated with this assembly.
3266 mono_assembly_get_name (MonoAssembly *assembly)
3268 return &assembly->aname;
3272 mono_register_bundled_assemblies (const MonoBundledAssembly **assemblies)
3274 bundles = assemblies;
3277 #define MONO_DECLSEC_FORMAT_10 0x3C
3278 #define MONO_DECLSEC_FORMAT_20 0x2E
3279 #define MONO_DECLSEC_FIELD 0x53
3280 #define MONO_DECLSEC_PROPERTY 0x54
3282 #define SKIP_VISIBILITY_XML_ATTRIBUTE ("\"SkipVerification\"")
3283 #define SKIP_VISIBILITY_ATTRIBUTE_NAME ("System.Security.Permissions.SecurityPermissionAttribute")
3284 #define SKIP_VISIBILITY_ATTRIBUTE_SIZE (sizeof (SKIP_VISIBILITY_ATTRIBUTE_NAME) - 1)
3285 #define SKIP_VISIBILITY_PROPERTY_NAME ("SkipVerification")
3286 #define SKIP_VISIBILITY_PROPERTY_SIZE (sizeof (SKIP_VISIBILITY_PROPERTY_NAME) - 1)
3289 mono_assembly_try_decode_skip_verification_param (const char *p, const char **resp, gboolean *abort_decoding)
3293 case MONO_DECLSEC_PROPERTY:
3295 case MONO_DECLSEC_FIELD:
3297 *abort_decoding = TRUE;
3302 if (*p++ != MONO_TYPE_BOOLEAN) {
3303 *abort_decoding = TRUE;
3307 /* property name length */
3308 len = mono_metadata_decode_value (p, &p);
3310 if (len >= SKIP_VISIBILITY_PROPERTY_SIZE && !memcmp (p, SKIP_VISIBILITY_PROPERTY_NAME, SKIP_VISIBILITY_PROPERTY_SIZE)) {
3321 mono_assembly_try_decode_skip_verification (const char *p, const char *endn)
3323 int i, j, num, len, params_len;
3325 if (*p == MONO_DECLSEC_FORMAT_10) {
3326 gsize read, written;
3327 char *res = g_convert (p, endn - p, "UTF-8", "UTF-16LE", &read, &written, NULL);
3329 gboolean found = strstr (res, SKIP_VISIBILITY_XML_ATTRIBUTE) != NULL;
3335 if (*p++ != MONO_DECLSEC_FORMAT_20)
3338 /* number of encoded permission attributes */
3339 num = mono_metadata_decode_value (p, &p);
3340 for (i = 0; i < num; ++i) {
3341 gboolean is_valid = FALSE;
3342 gboolean abort_decoding = FALSE;
3344 /* attribute name length */
3345 len = mono_metadata_decode_value (p, &p);
3347 /* We don't really need to fully decode the type. Comparing the name is enough */
3348 is_valid = len >= SKIP_VISIBILITY_ATTRIBUTE_SIZE && !memcmp (p, SKIP_VISIBILITY_ATTRIBUTE_NAME, SKIP_VISIBILITY_ATTRIBUTE_SIZE);
3352 /*size of the params table*/
3353 params_len = mono_metadata_decode_value (p, &p);
3355 const char *params_end = p + params_len;
3357 /* number of parameters */
3358 len = mono_metadata_decode_value (p, &p);
3360 for (j = 0; j < len; ++j) {
3361 if (mono_assembly_try_decode_skip_verification_param (p, &p, &abort_decoding))
3377 mono_assembly_has_skip_verification (MonoAssembly *assembly)
3380 guint32 cols [MONO_DECL_SECURITY_SIZE];
3384 if (MONO_SECMAN_FLAG_INIT (assembly->skipverification))
3385 return MONO_SECMAN_FLAG_GET_VALUE (assembly->skipverification);
3387 t = &assembly->image->tables [MONO_TABLE_DECLSECURITY];
3389 for (i = 0; i < t->rows; ++i) {
3390 mono_metadata_decode_row (t, i, cols, MONO_DECL_SECURITY_SIZE);
3391 if ((cols [MONO_DECL_SECURITY_PARENT] & MONO_HAS_DECL_SECURITY_MASK) != MONO_HAS_DECL_SECURITY_ASSEMBLY)
3393 if (cols [MONO_DECL_SECURITY_ACTION] != SECURITY_ACTION_REQMIN)
3396 blob = mono_metadata_blob_heap (assembly->image, cols [MONO_DECL_SECURITY_PERMISSIONSET]);
3397 len = mono_metadata_decode_blob_size (blob, &blob);
3401 if (mono_assembly_try_decode_skip_verification (blob, blob + len)) {
3402 MONO_SECMAN_FLAG_SET_VALUE (assembly->skipverification, TRUE);
3407 MONO_SECMAN_FLAG_SET_VALUE (assembly->skipverification, FALSE);