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/utils/mono-digest.h>
32 #include <mono/utils/mono-logger-internal.h>
33 #include <mono/utils/mono-path.h>
34 #include <mono/metadata/reflection.h>
35 #include <mono/metadata/coree.h>
36 #include <mono/metadata/cil-coff.h>
37 #include <mono/utils/mono-io-portability.h>
38 #include <mono/utils/atomic.h>
39 #include <mono/utils/mono-mutex.h>
42 #include <sys/types.h>
47 #ifdef PLATFORM_MACOSX
48 #include <mach-o/dyld.h>
51 /* AssemblyVersionMap: an assembly name and the assembly version set on which it is based */
53 const char* assembly_name;
54 guint8 version_set_index;
57 /* the default search path is empty, the first slot is replaced with the computed value */
65 /* Contains the list of directories to be searched for assemblies (MONO_PATH) */
66 static char **assemblies_path = NULL;
68 /* Contains the list of directories that point to auxiliary GACs */
69 static char **extra_gac_paths = NULL;
71 #ifndef DISABLE_ASSEMBLY_REMAPPING
72 /* The list of system assemblies what will be remapped to the running
73 * runtime version. WARNING: this list must be sorted.
74 * The integer number is an index in the MonoRuntimeInfo structure, whose
75 * values can be found in domain.c - supported_runtimes. Look there
76 * to understand what remapping will be made.
78 static const AssemblyVersionMap framework_assemblies [] = {
80 {"Commons.Xml.Relaxng", 0},
87 {"Microsoft.VisualBasic", 1},
88 {"Microsoft.VisualC", 1},
90 {"Mono.CompilerServices.SymbolWriter", 0},
92 {"Mono.Data.SybaseClient", 0},
94 {"Mono.Data.TdsClient", 0},
95 {"Mono.GetOptions", 0},
99 {"Mono.Security.Win32", 0},
101 {"Novell.Directory.Ldap", 0},
105 {"System.ComponentModel.DataAnnotations", 2},
106 {"System.Configuration", 0},
107 {"System.Configuration.Install", 0},
110 {"System.Data.Linq", 2},
111 {"System.Data.OracleClient", 0},
112 {"System.Data.Services", 2},
113 {"System.Data.Services.Client", 2},
114 {"System.Data.SqlXml", 0},
115 {"System.Design", 0},
116 {"System.DirectoryServices", 0},
117 {"System.Drawing", 0},
118 {"System.Drawing.Design", 0},
119 {"System.EnterpriseServices", 0},
120 {"System.Management", 0},
121 {"System.Messaging", 0},
123 {"System.Runtime.Remoting", 0},
124 {"System.Runtime.Serialization", 3},
125 {"System.Runtime.Serialization.Formatters.Soap", 0},
126 {"System.Security", 0},
127 {"System.ServiceModel.Web", 2},
128 {"System.ServiceProcess", 0},
129 {"System.Transactions", 0},
131 {"System.Web.Abstractions", 2},
132 {"System.Web.DynamicData", 2},
133 {"System.Web.Extensions", 2},
134 {"System.Web.Mobile", 0},
135 {"System.Web.Routing", 2},
136 {"System.Web.Services", 0},
137 {"System.Windows.Forms", 0},
139 {"System.Xml.Linq", 2},
146 * keeps track of loaded assemblies
148 static GList *loaded_assemblies = NULL;
149 static MonoAssembly *corlib;
151 #if defined(__native_client__)
153 /* On Native Client, allow mscorlib to be loaded from memory */
154 /* instead of loaded off disk. If these are not set, default */
155 /* mscorlib loading will take place */
157 /* NOTE: If mscorlib data is passed to mono in this way then */
158 /* it needs to remain allocated during the use of mono. */
160 static void *corlibData = NULL;
161 static size_t corlibSize = 0;
164 mono_set_corlib_data (void *data, size_t size)
172 /* This protects loaded_assemblies and image->references */
173 #define mono_assemblies_lock() EnterCriticalSection (&assemblies_mutex)
174 #define mono_assemblies_unlock() LeaveCriticalSection (&assemblies_mutex)
175 static CRITICAL_SECTION assemblies_mutex;
177 /* If defined, points to the bundled assembly information */
178 const MonoBundledAssembly **bundles;
180 static mono_mutex_t assembly_binding_mutex;
182 /* Loaded assembly binding info */
183 static GSList *loaded_assembly_bindings = NULL;
186 mono_assembly_invoke_search_hook_internal (MonoAssemblyName *aname, gboolean refonly, gboolean postload);
188 mono_assembly_is_in_gac (const gchar *filanem);
191 encode_public_tok (const guchar *token, gint32 len)
193 const static gchar allowed [] = { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f' };
197 res = g_malloc (len * 2 + 1);
198 for (i = 0; i < len; i++) {
199 res [i * 2] = allowed [token [i] >> 4];
200 res [i * 2 + 1] = allowed [token [i] & 0xF];
207 * mono_public_tokens_are_equal:
208 * @pubt1: first public key token
209 * @pubt2: second public key token
211 * Compare two public key tokens and return #TRUE is they are equal and #FALSE
215 mono_public_tokens_are_equal (const unsigned char *pubt1, const unsigned char *pubt2)
217 return memcmp (pubt1, pubt2, 16) == 0;
221 * mono_set_assemblies_path:
222 * @path: list of paths that contain directories where Mono will look for assemblies
224 * Use this method to override the standard assembly lookup system and
225 * override any assemblies coming from the GAC. This is the method
226 * that supports the MONO_PATH variable.
228 * Notice that MONO_PATH and this method are really a very bad idea as
229 * it prevents the GAC from working and it prevents the standard
230 * resolution mechanisms from working. Nonetheless, for some debugging
231 * situations and bootstrapping setups, this is useful to have.
234 mono_set_assemblies_path (const char* path)
236 char **splitted, **dest;
238 splitted = g_strsplit (path, G_SEARCHPATH_SEPARATOR_S, 1000);
240 g_strfreev (assemblies_path);
241 assemblies_path = dest = splitted;
243 char *tmp = *splitted;
245 *dest++ = mono_path_canonicalize (tmp);
251 if (g_getenv ("MONO_DEBUG") == NULL)
254 splitted = assemblies_path;
256 if (**splitted && !g_file_test (*splitted, G_FILE_TEST_IS_DIR))
257 g_warning ("'%s' in MONO_PATH doesn't exist or has wrong permissions.", *splitted);
263 /* Native Client can't get this info from an environment variable so */
264 /* it's passed in to the runtime, or set manually by embedding code. */
265 #ifdef __native_client__
266 char* nacl_mono_path = NULL;
270 check_path_env (void)
273 path = g_getenv ("MONO_PATH");
274 #ifdef __native_client__
276 path = nacl_mono_path;
278 if (!path || assemblies_path != NULL)
281 mono_set_assemblies_path(path);
285 check_extra_gac_path_env (void) {
287 char **splitted, **dest;
289 path = g_getenv ("MONO_GAC_PREFIX");
293 splitted = g_strsplit (path, G_SEARCHPATH_SEPARATOR_S, 1000);
295 g_strfreev (extra_gac_paths);
296 extra_gac_paths = dest = splitted;
304 if (g_getenv ("MONO_DEBUG") == NULL)
308 if (**splitted && !g_file_test (*splitted, G_FILE_TEST_IS_DIR))
309 g_warning ("'%s' in MONO_GAC_PREFIX doesn't exist or has wrong permissions.", *splitted);
316 assembly_binding_maps_name (MonoAssemblyBindingInfo *info, MonoAssemblyName *aname)
318 if (!info || !info->name)
321 if (strcmp (info->name, aname->name))
324 if (info->major != aname->major || info->minor != aname->minor)
327 if ((info->culture != NULL && info->culture [0]) != (aname->culture != NULL && aname->culture [0]))
330 if (info->culture && aname->culture && strcmp (info->culture, aname->culture))
333 if (!mono_public_tokens_are_equal (info->public_key_token, aname->public_key_token))
340 mono_assembly_binding_info_free (MonoAssemblyBindingInfo *info)
346 g_free (info->culture);
350 get_publisher_policy_info (MonoImage *image, MonoAssemblyName *aname, MonoAssemblyBindingInfo *binding_info)
353 guint32 cols [MONO_MANIFEST_SIZE];
354 const gchar *filename;
355 gchar *subpath, *fullpath;
357 t = &image->tables [MONO_TABLE_MANIFESTRESOURCE];
358 /* MS Impl. accepts policy assemblies with more than
359 * one manifest resource, and only takes the first one */
361 binding_info->is_valid = FALSE;
365 mono_metadata_decode_row (t, 0, cols, MONO_MANIFEST_SIZE);
366 if ((cols [MONO_MANIFEST_IMPLEMENTATION] & MONO_IMPLEMENTATION_MASK) != MONO_IMPLEMENTATION_FILE) {
367 binding_info->is_valid = FALSE;
371 filename = mono_metadata_string_heap (image, cols [MONO_MANIFEST_NAME]);
372 g_assert (filename != NULL);
374 subpath = g_path_get_dirname (image->name);
375 fullpath = g_build_path (G_DIR_SEPARATOR_S, subpath, filename, NULL);
376 mono_config_parse_publisher_policy (fullpath, binding_info);
380 /* Define the optional elements/attributes before checking */
381 if (!binding_info->culture)
382 binding_info->culture = g_strdup ("");
384 /* Check that the most important elements/attributes exist */
385 if (!binding_info->name || !binding_info->public_key_token [0] || !binding_info->has_old_version_bottom ||
386 !binding_info->has_new_version || !assembly_binding_maps_name (binding_info, aname)) {
387 mono_assembly_binding_info_free (binding_info);
388 binding_info->is_valid = FALSE;
392 binding_info->is_valid = TRUE;
396 compare_versions (AssemblyVersionSet *v, MonoAssemblyName *aname)
398 if (v->major > aname->major)
400 else if (v->major < aname->major)
403 if (v->minor > aname->minor)
405 else if (v->minor < aname->minor)
408 if (v->build > aname->build)
410 else if (v->build < aname->build)
413 if (v->revision > aname->revision)
415 else if (v->revision < aname->revision)
422 check_policy_versions (MonoAssemblyBindingInfo *info, MonoAssemblyName *name)
427 /* If has_old_version_top doesn't exist, we don't have an interval */
428 if (!info->has_old_version_top) {
429 if (compare_versions (&info->old_version_bottom, name) == 0)
435 /* Check that the version defined by name is valid for the interval */
436 if (compare_versions (&info->old_version_top, name) < 0)
439 /* We should be greater or equal than the small version */
440 if (compare_versions (&info->old_version_bottom, name) > 0)
447 * mono_assembly_names_equal:
449 * @r: second assembly.
451 * Compares two MonoAssemblyNames and returns whether they are equal.
453 * This compares the names, the cultures, the release version and their
456 * Returns: TRUE if both assembly names are equal.
459 mono_assembly_names_equal (MonoAssemblyName *l, MonoAssemblyName *r)
461 if (!l->name || !r->name)
464 if (strcmp (l->name, r->name))
467 if (l->culture && r->culture && strcmp (l->culture, r->culture))
470 if (l->major != r->major || l->minor != r->minor ||
471 l->build != r->build || l->revision != r->revision)
472 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)))
475 if (!l->public_key_token [0] || !r->public_key_token [0])
478 if (!mono_public_tokens_are_equal (l->public_key_token, r->public_key_token))
484 static MonoAssembly *
485 load_in_path (const char *basename, const char** search_path, MonoImageOpenStatus *status, MonoBoolean refonly)
489 MonoAssembly *result;
491 for (i = 0; search_path [i]; ++i) {
492 fullpath = g_build_filename (search_path [i], basename, NULL);
493 result = mono_assembly_open_full (fullpath, status, refonly);
502 * mono_assembly_setrootdir:
503 * @root_dir: The pathname of the root directory where we will locate assemblies
505 * This routine sets the internal default root directory for looking up
508 * This is used by Windows installations to compute dynamically the
509 * place where the Mono assemblies are located.
513 mono_assembly_setrootdir (const char *root_dir)
516 * Override the MONO_ASSEMBLIES directory configured at compile time.
518 /* Leak if called more than once */
519 default_path [0] = g_strdup (root_dir);
523 * mono_assembly_getrootdir:
525 * Obtains the root directory used for looking up assemblies.
527 * Returns: a string with the directory, this string should not be freed.
529 G_CONST_RETURN gchar *
530 mono_assembly_getrootdir (void)
532 return default_path [0];
537 * @assembly_dir: the base directory for assemblies
538 * @config_dir: the base directory for configuration files
540 * This routine is used internally and by developers embedding
541 * the runtime into their own applications.
543 * There are a number of cases to consider: Mono as a system-installed
544 * package that is available on the location preconfigured or Mono in
545 * a relocated location.
547 * If you are using a system-installed Mono, you can pass NULL
548 * to both parameters. If you are not, you should compute both
549 * directory values and call this routine.
551 * The values for a given PREFIX are:
553 * assembly_dir: PREFIX/lib
554 * config_dir: PREFIX/etc
556 * Notice that embedders that use Mono in a relocated way must
557 * compute the location at runtime, as they will be in control
558 * of where Mono is installed.
561 mono_set_dirs (const char *assembly_dir, const char *config_dir)
563 #if defined (MONO_ASSEMBLIES)
564 if (assembly_dir == NULL)
565 assembly_dir = MONO_ASSEMBLIES;
567 #if defined (MONO_CFG_DIR)
568 if (config_dir == NULL)
569 config_dir = MONO_CFG_DIR;
571 mono_assembly_setrootdir (assembly_dir);
572 mono_set_config_dir (config_dir);
578 compute_base (char *path)
580 char *p = strrchr (path, '/');
584 /* Not a well known Mono executable, we are embedded, cant guess the base */
585 if (strcmp (p, "/mono") && strcmp (p, "/mono-sgen") && strcmp (p, "/pedump") && strcmp (p, "/monodis") && strcmp (p, "/mint") && strcmp (p, "/monodiet"))
589 p = strrchr (path, '/');
593 if (strcmp (p, "/bin") != 0)
602 mono_set_dirs (MONO_ASSEMBLIES, MONO_CFG_DIR);
605 static G_GNUC_UNUSED void
609 char *config, *lib, *mono;
613 * Only /usr prefix is treated specially
615 if (strncmp (exe, MONO_BINDIR, strlen (MONO_BINDIR)) == 0 || (base = compute_base (exe)) == NULL){
620 config = g_build_filename (base, "etc", NULL);
621 lib = g_build_filename (base, "lib", NULL);
622 mono = g_build_filename (lib, "mono/2.0", NULL);
623 if (stat (mono, &buf) == -1)
626 mono_set_dirs (lib, config);
634 #endif /* HOST_WIN32 */
639 * Registers the root directory for the Mono runtime, for Linux and Solaris 10,
640 * this auto-detects the prefix where Mono was installed.
643 mono_set_rootdir (void)
645 #if defined(HOST_WIN32) || (defined(PLATFORM_MACOSX) && !defined(TARGET_ARM))
646 gchar *bindir, *installdir, *root, *name, *resolvedname, *config;
649 name = mono_get_module_file_name ((HMODULE) &__ImageBase);
653 * _NSGetExecutablePath may return -1 to indicate buf is not large
654 * enough, but we ignore that case to avoid having to do extra dynamic
655 * allocation for the path and hope that 4096 is enough - this is
656 * ok in the Linux/Solaris case below at least...
660 guint buf_size = sizeof (buf);
663 if (_NSGetExecutablePath (buf, &buf_size) == 0)
664 name = g_strdup (buf);
673 resolvedname = mono_path_resolve_symlinks (name);
675 bindir = g_path_get_dirname (resolvedname);
676 installdir = g_path_get_dirname (bindir);
677 root = g_build_path (G_DIR_SEPARATOR_S, installdir, "lib", NULL);
679 config = g_build_filename (root, "..", "etc", NULL);
681 mono_set_dirs (root, config);
683 if (g_file_test (root, G_FILE_TEST_EXISTS) && g_file_test (config, G_FILE_TEST_EXISTS))
684 mono_set_dirs (root, config);
694 g_free (resolvedname);
695 #elif defined(DISABLE_MONO_AUTODETECTION)
703 s = readlink ("/proc/self/exe", buf, sizeof (buf)-1);
711 /* Solaris 10 style */
712 str = g_strdup_printf ("/proc/%d/path/a.out", getpid ());
713 s = readlink (str, buf, sizeof (buf)-1);
725 * mono_assemblies_init:
727 * Initialize global variables used by this module.
730 mono_assemblies_init (void)
733 * Initialize our internal paths if we have not been initialized yet.
734 * This happens when embedders use Mono.
736 if (mono_assembly_getrootdir () == NULL)
740 check_extra_gac_path_env ();
742 InitializeCriticalSection (&assemblies_mutex);
743 mono_mutex_init (&assembly_binding_mutex);
747 mono_assembly_binding_lock (void)
749 mono_locks_mutex_acquire (&assembly_binding_mutex, AssemblyBindingLock);
753 mono_assembly_binding_unlock (void)
755 mono_locks_mutex_release (&assembly_binding_mutex, AssemblyBindingLock);
759 mono_assembly_fill_assembly_name (MonoImage *image, MonoAssemblyName *aname)
761 MonoTableInfo *t = &image->tables [MONO_TABLE_ASSEMBLY];
762 guint32 cols [MONO_ASSEMBLY_SIZE];
763 gint32 machine, flags;
768 mono_metadata_decode_row (t, 0, cols, MONO_ASSEMBLY_SIZE);
771 aname->hash_value = NULL;
772 aname->name = mono_metadata_string_heap (image, cols [MONO_ASSEMBLY_NAME]);
773 aname->culture = mono_metadata_string_heap (image, cols [MONO_ASSEMBLY_CULTURE]);
774 aname->flags = cols [MONO_ASSEMBLY_FLAGS];
775 aname->major = cols [MONO_ASSEMBLY_MAJOR_VERSION];
776 aname->minor = cols [MONO_ASSEMBLY_MINOR_VERSION];
777 aname->build = cols [MONO_ASSEMBLY_BUILD_NUMBER];
778 aname->revision = cols [MONO_ASSEMBLY_REV_NUMBER];
779 aname->hash_alg = cols [MONO_ASSEMBLY_HASH_ALG];
780 if (cols [MONO_ASSEMBLY_PUBLIC_KEY]) {
781 guchar* token = g_malloc (8);
786 pkey = mono_metadata_blob_heap (image, cols [MONO_ASSEMBLY_PUBLIC_KEY]);
787 len = mono_metadata_decode_blob_size (pkey, &pkey);
788 aname->public_key = (guchar*)pkey;
790 mono_digest_get_public_token (token, aname->public_key, len);
791 encoded = encode_public_tok (token, 8);
792 g_strlcpy ((char*)aname->public_key_token, encoded, MONO_PUBLIC_KEY_TOKEN_LENGTH);
798 aname->public_key = NULL;
799 memset (aname->public_key_token, 0, MONO_PUBLIC_KEY_TOKEN_LENGTH);
802 if (cols [MONO_ASSEMBLY_PUBLIC_KEY]) {
803 aname->public_key = (guchar*)mono_metadata_blob_heap (image, cols [MONO_ASSEMBLY_PUBLIC_KEY]);
806 aname->public_key = 0;
808 machine = ((MonoCLIImageInfo*)(image->image_info))->cli_header.coff.coff_machine;
809 flags = ((MonoCLIImageInfo*)(image->image_info))->cli_cli_header.ch_flags;
811 case COFF_MACHINE_I386:
812 /* https://bugzilla.xamarin.com/show_bug.cgi?id=17632 */
813 if (flags & (CLI_FLAGS_32BITREQUIRED|CLI_FLAGS_PREFERRED32BIT))
814 aname->arch = MONO_PROCESSOR_ARCHITECTURE_X86;
815 else if ((flags & 0x70) == 0x70)
816 aname->arch = MONO_PROCESSOR_ARCHITECTURE_NONE;
818 aname->arch = MONO_PROCESSOR_ARCHITECTURE_MSIL;
820 case COFF_MACHINE_IA64:
821 aname->arch = MONO_PROCESSOR_ARCHITECTURE_IA64;
823 case COFF_MACHINE_AMD64:
824 aname->arch = MONO_PROCESSOR_ARCHITECTURE_AMD64;
826 case COFF_MACHINE_ARM:
827 aname->arch = MONO_PROCESSOR_ARCHITECTURE_ARM;
837 * mono_stringify_assembly_name:
838 * @aname: the assembly name.
840 * Convert @aname into its string format. The returned string is dynamically
841 * allocated and should be freed by the caller.
843 * Returns: a newly allocated string with a string representation of
847 mono_stringify_assembly_name (MonoAssemblyName *aname)
849 const char *quote = (aname->name && g_ascii_isspace (aname->name [0])) ? "\"" : "";
851 return g_strdup_printf (
852 "%s%s%s, Version=%d.%d.%d.%d, Culture=%s, PublicKeyToken=%s%s",
853 quote, aname->name, quote,
854 aname->major, aname->minor, aname->build, aname->revision,
855 aname->culture && *aname->culture? aname->culture: "neutral",
856 aname->public_key_token [0] ? (char *)aname->public_key_token : "null",
857 (aname->flags & ASSEMBLYREF_RETARGETABLE_FLAG) ? ", Retargetable=Yes" : "");
861 assemblyref_public_tok (MonoImage *image, guint32 key_index, guint32 flags)
863 const gchar *public_tok;
866 public_tok = mono_metadata_blob_heap (image, key_index);
867 len = mono_metadata_decode_blob_size (public_tok, &public_tok);
869 if (flags & ASSEMBLYREF_FULL_PUBLIC_KEY_FLAG) {
871 mono_digest_get_public_token (token, (guchar*)public_tok, len);
872 return encode_public_tok (token, 8);
875 return encode_public_tok ((guchar*)public_tok, len);
879 * mono_assembly_addref:
880 * @assemnly: the assembly to reference
882 * This routine increments the reference count on a MonoAssembly.
883 * The reference count is reduced every time the method mono_assembly_close() is
887 mono_assembly_addref (MonoAssembly *assembly)
889 InterlockedIncrement (&assembly->ref_count);
893 * CAUTION: This table must be kept in sync with
894 * ivkm/reflect/Fusion.cs
897 #define SILVERLIGHT_KEY "7cec85d7bea7798e"
898 #define WINFX_KEY "31bf3856ad364e35"
899 #define ECMA_KEY "b77a5c561934e089"
900 #define MSFINAL_KEY "b03f5f7f11d50a3a"
908 static KeyRemapEntry key_remap_table[] = {
909 { "Microsoft.CSharp", WINFX_KEY, MSFINAL_KEY },
910 { "System", SILVERLIGHT_KEY, ECMA_KEY },
911 { "System.ComponentModel.Composition", WINFX_KEY, ECMA_KEY },
912 { "System.ComponentModel.DataAnnotations", "ddd0da4d3e678217", WINFX_KEY },
913 { "System.Core", SILVERLIGHT_KEY, ECMA_KEY },
914 // FIXME: MS uses MSFINAL_KEY for .NET 4.5
915 { "System.Net", SILVERLIGHT_KEY, MSFINAL_KEY },
916 { "System.Numerics", WINFX_KEY, ECMA_KEY },
917 { "System.Runtime.Serialization", SILVERLIGHT_KEY, ECMA_KEY },
918 { "System.ServiceModel", WINFX_KEY, ECMA_KEY },
919 { "System.ServiceModel.Web", SILVERLIGHT_KEY, WINFX_KEY },
920 { "System.Windows", SILVERLIGHT_KEY, MSFINAL_KEY },
921 { "System.Xml", SILVERLIGHT_KEY, ECMA_KEY },
922 { "System.Xml.Linq", WINFX_KEY, ECMA_KEY },
923 { "System.Xml.Serialization", WINFX_KEY, ECMA_KEY }
927 remap_keys (MonoAssemblyName *aname)
930 for (i = 0; i < G_N_ELEMENTS (key_remap_table); i++) {
931 const KeyRemapEntry *entry = &key_remap_table [i];
933 if (strcmp (aname->name, entry->name) ||
934 !mono_public_tokens_are_equal (aname->public_key_token, (const unsigned char*) entry->from))
937 memcpy (aname->public_key_token, entry->to, MONO_PUBLIC_KEY_TOKEN_LENGTH);
939 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_ASSEMBLY,
940 "Remapped public key token of retargetable assembly %s from %s to %s",
941 aname->name, entry->from, entry->to);
946 static MonoAssemblyName *
947 mono_assembly_remap_version (MonoAssemblyName *aname, MonoAssemblyName *dest_aname)
949 const MonoRuntimeInfo *current_runtime;
950 int pos, first, last;
952 if (aname->name == NULL) return aname;
954 current_runtime = mono_get_runtime_info ();
956 if (aname->flags & ASSEMBLYREF_RETARGETABLE_FLAG) {
957 const AssemblyVersionSet* vset;
959 /* Remap to current runtime */
960 vset = ¤t_runtime->version_sets [0];
962 memcpy (dest_aname, aname, sizeof(MonoAssemblyName));
963 dest_aname->major = vset->major;
964 dest_aname->minor = vset->minor;
965 dest_aname->build = vset->build;
966 dest_aname->revision = vset->revision;
967 dest_aname->flags &= ~ASSEMBLYREF_RETARGETABLE_FLAG;
969 /* Remap assembly name */
970 if (!strcmp (aname->name, "System.Net"))
971 dest_aname->name = g_strdup ("System");
973 remap_keys (dest_aname);
975 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_ASSEMBLY,
976 "The request to load the retargetable assembly %s v%d.%d.%d.%d was remapped to %s v%d.%d.%d.%d",
978 aname->major, aname->minor, aname->build, aname->revision,
980 vset->major, vset->minor, vset->build, vset->revision
986 #ifndef DISABLE_ASSEMBLY_REMAPPING
988 last = G_N_ELEMENTS (framework_assemblies) - 1;
990 while (first <= last) {
992 pos = first + (last - first) / 2;
993 res = strcmp (aname->name, framework_assemblies[pos].assembly_name);
995 const AssemblyVersionSet* vset;
996 int index = framework_assemblies[pos].version_set_index;
997 g_assert (index < G_N_ELEMENTS (current_runtime->version_sets));
998 vset = ¤t_runtime->version_sets [index];
1000 if (aname->major == vset->major && aname->minor == vset->minor &&
1001 aname->build == vset->build && aname->revision == vset->revision)
1004 if ((aname->major | aname->minor | aname->build | aname->revision) != 0)
1005 mono_trace (G_LOG_LEVEL_WARNING, MONO_TRACE_ASSEMBLY,
1006 "The request to load the assembly %s v%d.%d.%d.%d was remapped to v%d.%d.%d.%d",
1008 aname->major, aname->minor, aname->build, aname->revision,
1009 vset->major, vset->minor, vset->build, vset->revision
1012 memcpy (dest_aname, aname, sizeof(MonoAssemblyName));
1013 dest_aname->major = vset->major;
1014 dest_aname->minor = vset->minor;
1015 dest_aname->build = vset->build;
1016 dest_aname->revision = vset->revision;
1018 } else if (res < 0) {
1030 * mono_assembly_get_assemblyref:
1032 * Fill out ANAME with the assembly name of the INDEXth assembly reference in IMAGE.
1035 mono_assembly_get_assemblyref (MonoImage *image, int index, MonoAssemblyName *aname)
1038 guint32 cols [MONO_ASSEMBLYREF_SIZE];
1041 t = &image->tables [MONO_TABLE_ASSEMBLYREF];
1043 mono_metadata_decode_row (t, index, cols, MONO_ASSEMBLYREF_SIZE);
1045 hash = mono_metadata_blob_heap (image, cols [MONO_ASSEMBLYREF_HASH_VALUE]);
1046 aname->hash_len = mono_metadata_decode_blob_size (hash, &hash);
1047 aname->hash_value = hash;
1048 aname->name = mono_metadata_string_heap (image, cols [MONO_ASSEMBLYREF_NAME]);
1049 aname->culture = mono_metadata_string_heap (image, cols [MONO_ASSEMBLYREF_CULTURE]);
1050 aname->flags = cols [MONO_ASSEMBLYREF_FLAGS];
1051 aname->major = cols [MONO_ASSEMBLYREF_MAJOR_VERSION];
1052 aname->minor = cols [MONO_ASSEMBLYREF_MINOR_VERSION];
1053 aname->build = cols [MONO_ASSEMBLYREF_BUILD_NUMBER];
1054 aname->revision = cols [MONO_ASSEMBLYREF_REV_NUMBER];
1056 if (cols [MONO_ASSEMBLYREF_PUBLIC_KEY]) {
1057 gchar *token = assemblyref_public_tok (image, cols [MONO_ASSEMBLYREF_PUBLIC_KEY], aname->flags);
1058 g_strlcpy ((char*)aname->public_key_token, token, MONO_PUBLIC_KEY_TOKEN_LENGTH);
1061 memset (aname->public_key_token, 0, MONO_PUBLIC_KEY_TOKEN_LENGTH);
1066 mono_assembly_load_reference (MonoImage *image, int index)
1068 MonoAssembly *reference;
1069 MonoAssemblyName aname;
1070 MonoImageOpenStatus status;
1073 * image->references is shared between threads, so we need to access
1074 * it inside a critical section.
1076 mono_assemblies_lock ();
1077 if (!image->references) {
1078 MonoTableInfo *t = &image->tables [MONO_TABLE_ASSEMBLYREF];
1080 image->references = g_new0 (MonoAssembly *, t->rows + 1);
1081 image->nreferences = t->rows;
1083 reference = image->references [index];
1084 mono_assemblies_unlock ();
1088 mono_assembly_get_assemblyref (image, index, &aname);
1090 if (image->assembly && image->assembly->ref_only) {
1091 /* We use the loaded corlib */
1092 if (!strcmp (aname.name, "mscorlib"))
1093 reference = mono_assembly_load_full (&aname, image->assembly->basedir, &status, FALSE);
1095 reference = mono_assembly_loaded_full (&aname, TRUE);
1097 /* Try a postload search hook */
1098 reference = mono_assembly_invoke_search_hook_internal (&aname, TRUE, TRUE);
1102 * Here we must advice that the error was due to
1103 * a non loaded reference using the ReflectionOnly api
1106 reference = REFERENCE_MISSING;
1108 /* we first try without setting the basedir: this can eventually result in a ResolveAssembly
1109 * event which is the MS .net compatible behaviour (the assemblyresolve_event3.cs test has been fixed
1110 * accordingly, it would fail on the MS runtime before).
1111 * The second load attempt has the basedir set to keep compatibility with the old mono behavior, for
1112 * example bug-349190.2.cs and who knows how much more code in the wild.
1114 reference = mono_assembly_load (&aname, NULL, &status);
1115 if (!reference && image->assembly)
1116 reference = mono_assembly_load (&aname, image->assembly->basedir, &status);
1119 if (reference == NULL){
1122 if (status == MONO_IMAGE_ERROR_ERRNO && errno == ENOENT) {
1123 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 : "" );
1124 } else if (status == MONO_IMAGE_ERROR_ERRNO) {
1125 extra_msg = g_strdup_printf ("System error: %s\n", strerror (errno));
1126 } else if (status == MONO_IMAGE_MISSING_ASSEMBLYREF) {
1127 extra_msg = g_strdup ("Cannot find an assembly referenced from this one.\n");
1128 } else if (status == MONO_IMAGE_IMAGE_INVALID) {
1129 extra_msg = g_strdup ("The file exists but is not a valid assembly.\n");
1131 extra_msg = g_strdup ("");
1134 mono_trace (G_LOG_LEVEL_WARNING, MONO_TRACE_ASSEMBLY, "The following assembly referenced from %s could not be loaded:\n"
1135 " Assembly: %s (assemblyref_index=%d)\n"
1136 " Version: %d.%d.%d.%d\n"
1137 " Public Key: %s\n%s",
1138 image->name, aname.name, index,
1139 aname.major, aname.minor, aname.build, aname.revision,
1140 strlen ((char*)aname.public_key_token) == 0 ? "(none)" : (char*)aname.public_key_token, extra_msg);
1144 mono_assemblies_lock ();
1145 if (reference == NULL) {
1146 /* Flag as not found */
1147 reference = REFERENCE_MISSING;
1150 if (!image->references [index]) {
1151 if (reference != REFERENCE_MISSING){
1152 mono_assembly_addref (reference);
1153 if (image->assembly)
1154 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_ASSEMBLY, "Assembly Ref addref %s[%p] -> %s[%p]: %d",
1155 image->assembly->aname.name, image->assembly, reference->aname.name, reference, reference->ref_count);
1157 if (image->assembly)
1158 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_ASSEMBLY, "Failed to load assembly %s[%p]\n",
1159 image->assembly->aname.name, image->assembly);
1162 image->references [index] = reference;
1164 mono_assemblies_unlock ();
1166 if (image->references [index] != reference) {
1167 /* Somebody loaded it before us */
1168 mono_assembly_close (reference);
1173 mono_assembly_load_references (MonoImage *image, MonoImageOpenStatus *status)
1175 /* This is a no-op now but it is part of the embedding API so we can't remove it */
1176 *status = MONO_IMAGE_OK;
1179 typedef struct AssemblyLoadHook AssemblyLoadHook;
1180 struct AssemblyLoadHook {
1181 AssemblyLoadHook *next;
1182 MonoAssemblyLoadFunc func;
1186 AssemblyLoadHook *assembly_load_hook = NULL;
1189 mono_assembly_invoke_load_hook (MonoAssembly *ass)
1191 AssemblyLoadHook *hook;
1193 for (hook = assembly_load_hook; hook; hook = hook->next) {
1194 hook->func (ass, hook->user_data);
1199 mono_install_assembly_load_hook (MonoAssemblyLoadFunc func, gpointer user_data)
1201 AssemblyLoadHook *hook;
1203 g_return_if_fail (func != NULL);
1205 hook = g_new0 (AssemblyLoadHook, 1);
1207 hook->user_data = user_data;
1208 hook->next = assembly_load_hook;
1209 assembly_load_hook = hook;
1213 free_assembly_load_hooks (void)
1215 AssemblyLoadHook *hook, *next;
1217 for (hook = assembly_load_hook; hook; hook = next) {
1223 typedef struct AssemblySearchHook AssemblySearchHook;
1224 struct AssemblySearchHook {
1225 AssemblySearchHook *next;
1226 MonoAssemblySearchFunc func;
1232 AssemblySearchHook *assembly_search_hook = NULL;
1234 static MonoAssembly*
1235 mono_assembly_invoke_search_hook_internal (MonoAssemblyName *aname, gboolean refonly, gboolean postload)
1237 AssemblySearchHook *hook;
1239 for (hook = assembly_search_hook; hook; hook = hook->next) {
1240 if ((hook->refonly == refonly) && (hook->postload == postload)) {
1241 MonoAssembly *ass = hook->func (aname, hook->user_data);
1251 mono_assembly_invoke_search_hook (MonoAssemblyName *aname)
1253 return mono_assembly_invoke_search_hook_internal (aname, FALSE, FALSE);
1257 mono_install_assembly_search_hook_internal (MonoAssemblySearchFunc func, gpointer user_data, gboolean refonly, gboolean postload)
1259 AssemblySearchHook *hook;
1261 g_return_if_fail (func != NULL);
1263 hook = g_new0 (AssemblySearchHook, 1);
1265 hook->user_data = user_data;
1266 hook->refonly = refonly;
1267 hook->postload = postload;
1268 hook->next = assembly_search_hook;
1269 assembly_search_hook = hook;
1273 mono_install_assembly_search_hook (MonoAssemblySearchFunc func, gpointer user_data)
1275 mono_install_assembly_search_hook_internal (func, user_data, FALSE, FALSE);
1279 free_assembly_search_hooks (void)
1281 AssemblySearchHook *hook, *next;
1283 for (hook = assembly_search_hook; hook; hook = next) {
1290 mono_install_assembly_refonly_search_hook (MonoAssemblySearchFunc func, gpointer user_data)
1292 mono_install_assembly_search_hook_internal (func, user_data, TRUE, FALSE);
1296 mono_install_assembly_postload_search_hook (MonoAssemblySearchFunc func, gpointer user_data)
1298 mono_install_assembly_search_hook_internal (func, user_data, FALSE, TRUE);
1302 mono_install_assembly_postload_refonly_search_hook (MonoAssemblySearchFunc func, gpointer user_data)
1304 mono_install_assembly_search_hook_internal (func, user_data, TRUE, TRUE);
1307 typedef struct AssemblyPreLoadHook AssemblyPreLoadHook;
1308 struct AssemblyPreLoadHook {
1309 AssemblyPreLoadHook *next;
1310 MonoAssemblyPreLoadFunc func;
1314 static AssemblyPreLoadHook *assembly_preload_hook = NULL;
1315 static AssemblyPreLoadHook *assembly_refonly_preload_hook = NULL;
1317 static MonoAssembly *
1318 invoke_assembly_preload_hook (MonoAssemblyName *aname, gchar **assemblies_path)
1320 AssemblyPreLoadHook *hook;
1321 MonoAssembly *assembly;
1323 for (hook = assembly_preload_hook; hook; hook = hook->next) {
1324 assembly = hook->func (aname, assemblies_path, hook->user_data);
1325 if (assembly != NULL)
1332 static MonoAssembly *
1333 invoke_assembly_refonly_preload_hook (MonoAssemblyName *aname, gchar **assemblies_path)
1335 AssemblyPreLoadHook *hook;
1336 MonoAssembly *assembly;
1338 for (hook = assembly_refonly_preload_hook; hook; hook = hook->next) {
1339 assembly = hook->func (aname, assemblies_path, hook->user_data);
1340 if (assembly != NULL)
1348 mono_install_assembly_preload_hook (MonoAssemblyPreLoadFunc func, gpointer user_data)
1350 AssemblyPreLoadHook *hook;
1352 g_return_if_fail (func != NULL);
1354 hook = g_new0 (AssemblyPreLoadHook, 1);
1356 hook->user_data = user_data;
1357 hook->next = assembly_preload_hook;
1358 assembly_preload_hook = hook;
1362 mono_install_assembly_refonly_preload_hook (MonoAssemblyPreLoadFunc func, gpointer user_data)
1364 AssemblyPreLoadHook *hook;
1366 g_return_if_fail (func != NULL);
1368 hook = g_new0 (AssemblyPreLoadHook, 1);
1370 hook->user_data = user_data;
1371 hook->next = assembly_refonly_preload_hook;
1372 assembly_refonly_preload_hook = hook;
1376 free_assembly_preload_hooks (void)
1378 AssemblyPreLoadHook *hook, *next;
1380 for (hook = assembly_preload_hook; hook; hook = next) {
1385 for (hook = assembly_refonly_preload_hook; hook; hook = next) {
1392 absolute_dir (const gchar *filename)
1403 if (g_path_is_absolute (filename)) {
1404 part = g_path_get_dirname (filename);
1405 res = g_strconcat (part, G_DIR_SEPARATOR_S, NULL);
1410 cwd = g_get_current_dir ();
1411 mixed = g_build_filename (cwd, filename, NULL);
1412 parts = g_strsplit (mixed, G_DIR_SEPARATOR_S, 0);
1417 for (i = 0; (part = parts [i]) != NULL; i++) {
1418 if (!strcmp (part, "."))
1421 if (!strcmp (part, "..")) {
1422 if (list && list->next) /* Don't remove root */
1423 list = g_list_delete_link (list, list);
1425 list = g_list_prepend (list, part);
1429 result = g_string_new ("");
1430 list = g_list_reverse (list);
1432 /* Ignores last data pointer, which should be the filename */
1433 for (tmp = list; tmp && tmp->next != NULL; tmp = tmp->next){
1435 g_string_append_printf (result, "%s%c", (char *) tmp->data,
1440 g_string_free (result, FALSE);
1445 return g_strdup (".");
1452 * mono_assembly_open_from_bundle:
1453 * @filename: Filename requested
1454 * @status: return value
1456 * This routine tries to open the assembly specified by `filename' from the
1457 * defined bundles, if found, returns the MonoImage for it, if not found
1461 mono_assembly_open_from_bundle (const char *filename, MonoImageOpenStatus *status, gboolean refonly)
1465 MonoImage *image = NULL;
1468 * we do a very simple search for bundled assemblies: it's not a general
1469 * purpose assembly loading mechanism.
1475 name = g_path_get_basename (filename);
1477 mono_assemblies_lock ();
1478 for (i = 0; !image && bundles [i]; ++i) {
1479 if (strcmp (bundles [i]->name, name) == 0) {
1480 image = mono_image_open_from_data_with_name ((char*)bundles [i]->data, bundles [i]->size, FALSE, status, refonly, name);
1484 mono_assemblies_unlock ();
1486 mono_image_addref (image);
1487 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_ASSEMBLY, "Assembly Loader loaded assembly from bundle: '%s'.", name);
1496 mono_assembly_open_full (const char *filename, MonoImageOpenStatus *status, gboolean refonly)
1500 MonoImageOpenStatus def_status;
1503 gboolean loaded_from_bundle;
1505 g_return_val_if_fail (filename != NULL, NULL);
1508 status = &def_status;
1509 *status = MONO_IMAGE_OK;
1511 if (strncmp (filename, "file://", 7) == 0) {
1512 GError *error = NULL;
1513 gchar *uri = (gchar *) filename;
1517 * MS allows file://c:/... and fails on file://localhost/c:/...
1518 * They also throw an IndexOutOfRangeException if "file://"
1521 uri = g_strdup_printf ("file:///%s", uri + 7);
1524 uri = mono_escape_uri_string (tmpuri);
1525 fname = g_filename_from_uri (uri, NULL, &error);
1528 if (tmpuri != filename)
1531 if (error != NULL) {
1532 g_warning ("%s\n", error->message);
1533 g_error_free (error);
1534 fname = g_strdup (filename);
1537 fname = g_strdup (filename);
1540 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_ASSEMBLY,
1541 "Assembly Loader probing location: '%s'.", fname);
1544 if (!mono_assembly_is_in_gac (fname))
1545 new_fname = mono_make_shadow_copy (fname);
1546 if (new_fname && new_fname != fname) {
1549 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_ASSEMBLY,
1550 "Assembly Loader shadow-copied assembly to: '%s'.", fname);
1555 loaded_from_bundle = FALSE;
1556 if (bundles != NULL) {
1557 image = mono_assembly_open_from_bundle (fname, status, refonly);
1558 loaded_from_bundle = image != NULL;
1562 image = mono_image_open_full (fname, status, refonly);
1565 if (*status == MONO_IMAGE_OK)
1566 *status = MONO_IMAGE_ERROR_ERRNO;
1571 if (image->assembly) {
1572 /* Already loaded by another appdomain */
1573 mono_assembly_invoke_load_hook (image->assembly);
1574 mono_image_close (image);
1576 return image->assembly;
1579 ass = mono_assembly_load_from_full (image, fname, status, refonly);
1582 if (!loaded_from_bundle)
1583 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_ASSEMBLY,
1584 "Assembly Loader loaded assembly from location: '%s'.", filename);
1586 mono_config_for_assembly (ass->image);
1589 /* Clear the reference added by mono_image_open */
1590 mono_image_close (image);
1598 free_item (gpointer val, gpointer user_data)
1604 * mono_assembly_load_friends:
1607 * Load the list of friend assemblies that are allowed to access
1608 * the assembly's internal types and members. They are stored as assembly
1609 * names in custom attributes.
1611 * This is an internal method, we need this because when we load mscorlib
1612 * we do not have the mono_defaults.internals_visible_class loaded yet,
1613 * so we need to load these after we initialize the runtime.
1615 * LOCKING: Acquires the assemblies lock plus the loader lock.
1618 mono_assembly_load_friends (MonoAssembly* ass)
1621 MonoCustomAttrInfo* attrs;
1624 if (ass->friend_assembly_names_inited)
1627 attrs = mono_custom_attrs_from_assembly (ass);
1629 mono_assemblies_lock ();
1630 ass->friend_assembly_names_inited = TRUE;
1631 mono_assemblies_unlock ();
1635 mono_assemblies_lock ();
1636 if (ass->friend_assembly_names_inited) {
1637 mono_assemblies_unlock ();
1640 mono_assemblies_unlock ();
1644 * We build the list outside the assemblies lock, the worse that can happen
1645 * is that we'll need to free the allocated list.
1647 for (i = 0; i < attrs->num_attrs; ++i) {
1648 MonoCustomAttrEntry *attr = &attrs->attrs [i];
1649 MonoAssemblyName *aname;
1652 /* Do some sanity checking */
1653 if (!attr->ctor || attr->ctor->klass != mono_defaults.internals_visible_class)
1655 if (attr->data_size < 4)
1657 data = (const char*)attr->data;
1658 /* 0xFF means null string, see custom attr format */
1659 if (data [0] != 1 || data [1] != 0 || (data [2] & 0xFF) == 0xFF)
1661 slen = mono_metadata_decode_value (data + 2, &data);
1662 aname = g_new0 (MonoAssemblyName, 1);
1663 /*g_print ("friend ass: %s\n", data);*/
1664 if (mono_assembly_name_parse_full (data, aname, TRUE, NULL, NULL)) {
1665 list = g_slist_prepend (list, aname);
1670 mono_custom_attrs_free (attrs);
1672 mono_assemblies_lock ();
1673 if (ass->friend_assembly_names_inited) {
1674 mono_assemblies_unlock ();
1675 g_slist_foreach (list, free_item, NULL);
1676 g_slist_free (list);
1679 ass->friend_assembly_names = list;
1681 /* Because of the double checked locking pattern above */
1682 mono_memory_barrier ();
1683 ass->friend_assembly_names_inited = TRUE;
1684 mono_assemblies_unlock ();
1688 * mono_assembly_open:
1689 * @filename: Opens the assembly pointed out by this name
1690 * @status: where a status code can be returned
1692 * mono_assembly_open opens the PE-image pointed by @filename, and
1693 * loads any external assemblies referenced by it.
1695 * Return: a pointer to the MonoAssembly if @filename contains a valid
1696 * assembly or NULL on error. Details about the error are stored in the
1700 mono_assembly_open (const char *filename, MonoImageOpenStatus *status)
1702 return mono_assembly_open_full (filename, status, FALSE);
1706 mono_assembly_load_from_full (MonoImage *image, const char*fname,
1707 MonoImageOpenStatus *status, gboolean refonly)
1709 MonoAssembly *ass, *ass2;
1712 if (!image->tables [MONO_TABLE_ASSEMBLY].rows) {
1713 /* 'image' doesn't have a manifest -- maybe someone is trying to Assembly.Load a .netmodule */
1714 *status = MONO_IMAGE_IMAGE_INVALID;
1718 #if defined (HOST_WIN32)
1723 tmp_fn = g_strdup (fname);
1724 for (i = strlen (tmp_fn) - 1; i >= 0; i--) {
1725 if (tmp_fn [i] == '/')
1729 base_dir = absolute_dir (tmp_fn);
1733 base_dir = absolute_dir (fname);
1737 * Create assembly struct, and enter it into the assembly cache
1739 ass = g_new0 (MonoAssembly, 1);
1740 ass->basedir = base_dir;
1741 ass->ref_only = refonly;
1744 mono_profiler_assembly_event (ass, MONO_PROFILE_START_LOAD);
1746 mono_assembly_fill_assembly_name (image, &ass->aname);
1748 if (mono_defaults.corlib && strcmp (ass->aname.name, "mscorlib") == 0) {
1749 // MS.NET doesn't support loading other mscorlibs
1752 mono_image_addref (mono_defaults.corlib);
1753 *status = MONO_IMAGE_OK;
1754 return mono_defaults.corlib->assembly;
1757 /* Add a non-temporary reference because of ass->image */
1758 mono_image_addref (image);
1760 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);
1763 * The load hooks might take locks so we can't call them while holding the
1766 if (ass->aname.name) {
1767 ass2 = mono_assembly_invoke_search_hook_internal (&ass->aname, refonly, FALSE);
1771 mono_image_close (image);
1772 *status = MONO_IMAGE_OK;
1777 mono_assemblies_lock ();
1779 if (image->assembly) {
1781 * This means another thread has already loaded the assembly, but not yet
1782 * called the load hooks so the search hook can't find the assembly.
1784 mono_assemblies_unlock ();
1785 ass2 = image->assembly;
1788 mono_image_close (image);
1789 *status = MONO_IMAGE_OK;
1793 image->assembly = ass;
1795 loaded_assemblies = g_list_prepend (loaded_assemblies, ass);
1796 mono_assemblies_unlock ();
1799 if (image->is_module_handle)
1800 mono_image_fixup_vtable (image);
1803 mono_assembly_invoke_load_hook (ass);
1805 mono_profiler_assembly_loaded (ass, MONO_PROFILE_OK);
1811 mono_assembly_load_from (MonoImage *image, const char *fname,
1812 MonoImageOpenStatus *status)
1814 return mono_assembly_load_from_full (image, fname, status, FALSE);
1818 * mono_assembly_name_free:
1819 * @aname: assembly name to free
1821 * Frees the provided assembly name object.
1822 * (it does not frees the object itself, only the name members).
1825 mono_assembly_name_free (MonoAssemblyName *aname)
1830 g_free ((void *) aname->name);
1831 g_free ((void *) aname->culture);
1832 g_free ((void *) aname->hash_value);
1836 parse_public_key (const gchar *key, gchar** pubkey, gboolean *is_ecma)
1839 gchar header [16], val, *arr;
1840 gint i, j, offset, bitlen, keylen, pkeylen;
1842 keylen = strlen (key) >> 1;
1846 /* allow the ECMA standard key */
1847 if (strcmp (key, "00000000000000000400000000000000") == 0) {
1849 *pubkey = g_strdup (key);
1855 val = g_ascii_xdigit_value (key [0]) << 4;
1856 val |= g_ascii_xdigit_value (key [1]);
1861 val = g_ascii_xdigit_value (key [24]);
1862 val |= g_ascii_xdigit_value (key [25]);
1874 /* We need the first 16 bytes
1875 * to check whether this key is valid or not */
1876 pkeylen = strlen (pkey) >> 1;
1880 for (i = 0, j = 0; i < 16; i++) {
1881 header [i] = g_ascii_xdigit_value (pkey [j++]) << 4;
1882 header [i] |= g_ascii_xdigit_value (pkey [j++]);
1885 if (header [0] != 0x06 || /* PUBLICKEYBLOB (0x06) */
1886 header [1] != 0x02 || /* Version (0x02) */
1887 header [2] != 0x00 || /* Reserved (word) */
1888 header [3] != 0x00 ||
1889 (guint)(read32 (header + 8)) != 0x31415352) /* DWORD magic = RSA1 */
1892 /* Based on this length, we _should_ be able to know if the length is right */
1893 bitlen = read32 (header + 12) >> 3;
1894 if ((bitlen + 16 + 4) != pkeylen)
1897 /* parsing is OK and the public key itself is not requested back */
1901 /* Encode the size of the blob */
1903 if (keylen <= 127) {
1904 arr = g_malloc (keylen + 1);
1905 arr [offset++] = keylen;
1907 arr = g_malloc (keylen + 2);
1908 arr [offset++] = 0x80; /* 10bs */
1909 arr [offset++] = keylen;
1912 for (i = offset, j = 0; i < keylen + offset; i++) {
1913 arr [i] = g_ascii_xdigit_value (key [j++]) << 4;
1914 arr [i] |= g_ascii_xdigit_value (key [j++]);
1923 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)
1925 gint major, minor, build, revision;
1928 gchar *pkey, *pkeyptr, *encoded, tok [8];
1930 memset (aname, 0, sizeof (MonoAssemblyName));
1933 version_parts = sscanf (version, "%u.%u.%u.%u", &major, &minor, &build, &revision);
1934 if (version_parts < 2 || version_parts > 4)
1937 /* FIXME: we should set build & revision to -1 (instead of 0)
1938 if these are not set in the version string. That way, later on,
1939 we can still determine if these were specified. */
1940 aname->major = major;
1941 aname->minor = minor;
1942 if (version_parts >= 3)
1943 aname->build = build;
1946 if (version_parts == 4)
1947 aname->revision = revision;
1949 aname->revision = 0;
1952 aname->flags = flags;
1954 aname->name = g_strdup (name);
1957 if (g_ascii_strcasecmp (culture, "neutral") == 0)
1958 aname->culture = g_strdup ("");
1960 aname->culture = g_strdup (culture);
1963 if (token && strncmp (token, "null", 4) != 0) {
1966 /* the constant includes the ending NULL, hence the -1 */
1967 if (strlen (token) != (MONO_PUBLIC_KEY_TOKEN_LENGTH - 1)) {
1968 mono_assembly_name_free (aname);
1971 lower = g_ascii_strdown (token, MONO_PUBLIC_KEY_TOKEN_LENGTH);
1972 g_strlcpy ((char*)aname->public_key_token, lower, MONO_PUBLIC_KEY_TOKEN_LENGTH);
1978 if (strcmp (key, "null") == 0 || !parse_public_key (key, &pkey, &is_ecma)) {
1979 mono_assembly_name_free (aname);
1984 if (save_public_key)
1985 aname->public_key = (guint8*)pkey;
1988 g_strlcpy ((gchar*)aname->public_key_token, "b77a5c561934e089", MONO_PUBLIC_KEY_TOKEN_LENGTH);
1992 len = mono_metadata_decode_blob_size ((const gchar *) pkey, (const gchar **) &pkeyptr);
1993 // We also need to generate the key token
1994 mono_digest_get_public_token ((guchar*) tok, (guint8*) pkeyptr, len);
1995 encoded = encode_public_tok ((guchar*) tok, 8);
1996 g_strlcpy ((gchar*)aname->public_key_token, encoded, MONO_PUBLIC_KEY_TOKEN_LENGTH);
1999 if (save_public_key)
2000 aname->public_key = (guint8*) pkey;
2009 parse_assembly_directory_name (const char *name, const char *dirname, MonoAssemblyName *aname)
2014 parts = g_strsplit (dirname, "_", 3);
2015 if (!parts || !parts[0] || !parts[1] || !parts[2]) {
2020 res = build_assembly_name (name, parts[0], parts[1], parts[2], NULL, 0, 0, aname, FALSE);
2026 split_key_value (const gchar *pair, gchar **key, guint32 *keylen, gchar **value)
2028 char *eqsign = strchr (pair, '=');
2036 *key = (gchar*)pair;
2037 *keylen = eqsign - *key;
2038 while (*keylen > 0 && g_ascii_isspace ((*key) [*keylen - 1]))
2040 *value = g_strstrip (eqsign + 1);
2045 mono_assembly_name_parse_full (const char *name, MonoAssemblyName *aname, gboolean save_public_key, gboolean *is_version_defined, gboolean *is_token_defined)
2048 gchar *version = NULL;
2049 gchar *culture = NULL;
2050 gchar *token = NULL;
2052 gchar *retargetable = NULL;
2054 gchar *value, *part_name;
2055 guint32 part_name_len;
2058 gboolean version_defined;
2059 gboolean token_defined;
2061 guint32 arch = MONO_PROCESSOR_ARCHITECTURE_NONE;
2063 if (!is_version_defined)
2064 is_version_defined = &version_defined;
2065 *is_version_defined = FALSE;
2066 if (!is_token_defined)
2067 is_token_defined = &token_defined;
2068 *is_token_defined = FALSE;
2070 parts = tmp = g_strsplit (name, ",", 6);
2071 if (!tmp || !*tmp) {
2076 dllname = g_strstrip (*tmp);
2081 if (!split_key_value (g_strstrip (*tmp), &part_name, &part_name_len, &value))
2082 goto cleanup_and_fail;
2084 if (part_name_len == 7 && !g_ascii_strncasecmp (part_name, "Version", part_name_len)) {
2085 *is_version_defined = TRUE;
2087 if (strlen (version) == 0) {
2088 goto cleanup_and_fail;
2094 if (part_name_len == 7 && !g_ascii_strncasecmp (part_name, "Culture", part_name_len)) {
2096 if (strlen (culture) == 0) {
2097 goto cleanup_and_fail;
2103 if (part_name_len == 14 && !g_ascii_strncasecmp (part_name, "PublicKeyToken", part_name_len)) {
2104 *is_token_defined = TRUE;
2106 if (strlen (token) == 0) {
2107 goto cleanup_and_fail;
2113 if (part_name_len == 9 && !g_ascii_strncasecmp (part_name, "PublicKey", part_name_len)) {
2115 if (strlen (key) == 0) {
2116 goto cleanup_and_fail;
2122 if (part_name_len == 12 && !g_ascii_strncasecmp (part_name, "Retargetable", part_name_len)) {
2123 retargetable = value;
2124 if (strlen (retargetable) == 0) {
2125 goto cleanup_and_fail;
2127 if (!g_ascii_strcasecmp (retargetable, "yes")) {
2128 flags |= ASSEMBLYREF_RETARGETABLE_FLAG;
2129 } else if (g_ascii_strcasecmp (retargetable, "no")) {
2130 goto cleanup_and_fail;
2136 if (part_name_len == 21 && !g_ascii_strncasecmp (part_name, "ProcessorArchitecture", part_name_len)) {
2137 if (!g_ascii_strcasecmp (value, "MSIL"))
2138 arch = MONO_PROCESSOR_ARCHITECTURE_MSIL;
2139 else if (!g_ascii_strcasecmp (value, "X86"))
2140 arch = MONO_PROCESSOR_ARCHITECTURE_X86;
2141 else if (!g_ascii_strcasecmp (value, "IA64"))
2142 arch = MONO_PROCESSOR_ARCHITECTURE_IA64;
2143 else if (!g_ascii_strcasecmp (value, "AMD64"))
2144 arch = MONO_PROCESSOR_ARCHITECTURE_AMD64;
2146 goto cleanup_and_fail;
2155 /* if retargetable flag is set, then we must have a fully qualified name */
2156 if (retargetable != NULL && (version == NULL || culture == NULL || (key == NULL && token == NULL))) {
2157 goto cleanup_and_fail;
2160 res = build_assembly_name (dllname, version, culture, token, key, flags, arch,
2161 aname, save_public_key);
2171 * mono_assembly_name_parse:
2172 * @name: name to parse
2173 * @aname: the destination assembly name
2175 * Parses an assembly qualified type name and assigns the name,
2176 * version, culture and token to the provided assembly name object.
2178 * Returns: true if the name could be parsed.
2181 mono_assembly_name_parse (const char *name, MonoAssemblyName *aname)
2183 return mono_assembly_name_parse_full (name, aname, FALSE, NULL, NULL);
2187 * mono_assembly_name_new:
2188 * @name: name to parse
2190 * Allocate a new MonoAssemblyName and fill its values from the
2193 * Returns: a newly allocated structure or NULL if there was any failure.
2196 mono_assembly_name_new (const char *name)
2198 MonoAssemblyName *aname = g_new0 (MonoAssemblyName, 1);
2199 if (mono_assembly_name_parse (name, aname))
2206 mono_assembly_name_get_name (MonoAssemblyName *aname)
2212 mono_assembly_name_get_culture (MonoAssemblyName *aname)
2214 return aname->culture;
2218 mono_assembly_name_get_pubkeytoken (MonoAssemblyName *aname)
2220 if (aname->public_key_token [0])
2221 return aname->public_key_token;
2226 mono_assembly_name_get_version (MonoAssemblyName *aname, uint16_t *minor, uint16_t *build, uint16_t *revision)
2229 *minor = aname->minor;
2231 *build = aname->build;
2233 *revision = aname->revision;
2234 return aname->major;
2237 static MonoAssembly*
2238 probe_for_partial_name (const char *basepath, const char *fullname, MonoAssemblyName *aname, MonoImageOpenStatus *status)
2240 gchar *fullpath = NULL;
2242 const char* direntry;
2243 MonoAssemblyName gac_aname;
2244 gint major=-1, minor=0, build=0, revision=0;
2245 gboolean exact_version;
2247 dirhandle = g_dir_open (basepath, 0, NULL);
2251 exact_version = (aname->major | aname->minor | aname->build | aname->revision) != 0;
2253 while ((direntry = g_dir_read_name (dirhandle))) {
2254 gboolean match = TRUE;
2256 if(!parse_assembly_directory_name (aname->name, direntry, &gac_aname))
2259 if (aname->culture != NULL && strcmp (aname->culture, gac_aname.culture) != 0)
2262 if (match && strlen ((char*)aname->public_key_token) > 0 &&
2263 !mono_public_tokens_are_equal (aname->public_key_token, gac_aname.public_key_token))
2267 if (exact_version) {
2268 match = (aname->major == gac_aname.major && aname->minor == gac_aname.minor &&
2269 aname->build == gac_aname.build && aname->revision == gac_aname.revision);
2271 else if (gac_aname.major < major)
2273 else if (gac_aname.major == major) {
2274 if (gac_aname.minor < minor)
2276 else if (gac_aname.minor == minor) {
2277 if (gac_aname.build < build)
2279 else if (gac_aname.build == build && gac_aname.revision <= revision)
2286 major = gac_aname.major;
2287 minor = gac_aname.minor;
2288 build = gac_aname.build;
2289 revision = gac_aname.revision;
2291 fullpath = g_build_path (G_DIR_SEPARATOR_S, basepath, direntry, fullname, NULL);
2294 mono_assembly_name_free (&gac_aname);
2297 g_dir_close (dirhandle);
2299 if (fullpath == NULL)
2302 MonoAssembly *res = mono_assembly_open (fullpath, status);
2309 mono_assembly_load_with_partial_name (const char *name, MonoImageOpenStatus *status)
2312 MonoAssemblyName *aname, base_name;
2313 MonoAssemblyName mapped_aname;
2314 gchar *fullname, *gacpath;
2317 memset (&base_name, 0, sizeof (MonoAssemblyName));
2320 if (!mono_assembly_name_parse (name, aname))
2324 * If no specific version has been requested, make sure we load the
2325 * correct version for system assemblies.
2327 if ((aname->major | aname->minor | aname->build | aname->revision) == 0)
2328 aname = mono_assembly_remap_version (aname, &mapped_aname);
2330 res = mono_assembly_loaded (aname);
2332 mono_assembly_name_free (aname);
2336 res = invoke_assembly_preload_hook (aname, assemblies_path);
2338 res->in_gac = FALSE;
2339 mono_assembly_name_free (aname);
2343 fullname = g_strdup_printf ("%s.dll", aname->name);
2345 if (extra_gac_paths) {
2346 paths = extra_gac_paths;
2347 while (!res && *paths) {
2348 gacpath = g_build_path (G_DIR_SEPARATOR_S, *paths, "lib", "mono", "gac", aname->name, NULL);
2349 res = probe_for_partial_name (gacpath, fullname, aname, status);
2358 mono_assembly_name_free (aname);
2362 gacpath = g_build_path (G_DIR_SEPARATOR_S, mono_assembly_getrootdir (), "mono", "gac", aname->name, NULL);
2363 res = probe_for_partial_name (gacpath, fullname, aname, status);
2369 MonoDomain *domain = mono_domain_get ();
2370 MonoReflectionAssembly *refasm = mono_try_assembly_resolve (domain, mono_string_new (domain, name), FALSE);
2372 res = refasm->assembly;
2376 mono_assembly_name_free (aname);
2382 mono_assembly_is_in_gac (const gchar *filename)
2384 const gchar *rootdir;
2388 if (filename == NULL)
2391 for (paths = extra_gac_paths; paths && *paths; paths++) {
2392 if (strstr (*paths, filename) != *paths)
2395 gp = (gchar *) (filename + strlen (*paths));
2396 if (*gp != G_DIR_SEPARATOR)
2399 if (strncmp (gp, "lib", 3))
2402 if (*gp != G_DIR_SEPARATOR)
2405 if (strncmp (gp, "mono", 4))
2408 if (*gp != G_DIR_SEPARATOR)
2411 if (strncmp (gp, "gac", 3))
2414 if (*gp != G_DIR_SEPARATOR)
2420 rootdir = mono_assembly_getrootdir ();
2421 if (strstr (filename, rootdir) != filename)
2424 gp = (gchar *) (filename + strlen (rootdir));
2425 if (*gp != G_DIR_SEPARATOR)
2428 if (strncmp (gp, "mono", 4))
2431 if (*gp != G_DIR_SEPARATOR)
2434 if (strncmp (gp, "gac", 3))
2437 if (*gp != G_DIR_SEPARATOR)
2443 mono_assembly_load_publisher_policy (MonoAssemblyName *aname)
2446 gchar *filename, *pname, *name, *culture, *version, *fullpath, *subpath;
2450 if (strstr (aname->name, ".dll")) {
2451 len = strlen (aname->name) - 4;
2452 name = g_malloc (len);
2453 strncpy (name, aname->name, len);
2455 name = g_strdup (aname->name);
2458 culture = g_utf8_strdown (aname->culture, -1);
2460 culture = g_strdup ("");
2462 pname = g_strdup_printf ("policy.%d.%d.%s", aname->major, aname->minor, name);
2463 version = g_strdup_printf ("0.0.0.0_%s_%s", culture, aname->public_key_token);
2467 filename = g_strconcat (pname, ".dll", NULL);
2468 subpath = g_build_path (G_DIR_SEPARATOR_S, pname, version, filename, NULL);
2474 if (extra_gac_paths) {
2475 paths = extra_gac_paths;
2476 while (!image && *paths) {
2477 fullpath = g_build_path (G_DIR_SEPARATOR_S, *paths,
2478 "lib", "mono", "gac", subpath, NULL);
2479 image = mono_image_open (fullpath, NULL);
2490 fullpath = g_build_path (G_DIR_SEPARATOR_S, mono_assembly_getrootdir (),
2491 "mono", "gac", subpath, NULL);
2492 image = mono_image_open (fullpath, NULL);
2499 static MonoAssemblyName*
2500 mono_assembly_bind_version (MonoAssemblyBindingInfo *info, MonoAssemblyName *aname, MonoAssemblyName *dest_name)
2502 memcpy (dest_name, aname, sizeof (MonoAssemblyName));
2503 dest_name->major = info->new_version.major;
2504 dest_name->minor = info->new_version.minor;
2505 dest_name->build = info->new_version.build;
2506 dest_name->revision = info->new_version.revision;
2511 /* LOCKING: assembly_binding lock must be held */
2512 static MonoAssemblyBindingInfo*
2513 search_binding_loaded (MonoAssemblyName *aname)
2517 for (tmp = loaded_assembly_bindings; tmp; tmp = tmp->next) {
2518 MonoAssemblyBindingInfo *info = tmp->data;
2519 if (assembly_binding_maps_name (info, aname))
2526 static inline gboolean
2527 info_compare_versions (AssemblyVersionSet *left, AssemblyVersionSet *right)
2529 if (left->major != right->major || left->minor != right->minor ||
2530 left->build != right->build || left->revision != right->revision)
2536 static inline gboolean
2537 info_versions_equal (MonoAssemblyBindingInfo *left, MonoAssemblyBindingInfo *right)
2539 if (left->has_old_version_bottom != right->has_old_version_bottom)
2542 if (left->has_old_version_top != right->has_old_version_top)
2545 if (left->has_new_version != right->has_new_version)
2548 if (left->has_old_version_bottom && !info_compare_versions (&left->old_version_bottom, &right->old_version_bottom))
2551 if (left->has_old_version_top && !info_compare_versions (&left->old_version_top, &right->old_version_top))
2554 if (left->has_new_version && !info_compare_versions (&left->new_version, &right->new_version))
2560 /* LOCKING: assumes all the necessary locks are held */
2562 assembly_binding_info_parsed (MonoAssemblyBindingInfo *info, void *user_data)
2564 MonoAssemblyBindingInfo *info_copy;
2566 MonoAssemblyBindingInfo *info_tmp;
2567 MonoDomain *domain = (MonoDomain*)user_data;
2572 for (tmp = domain->assembly_bindings; tmp; tmp = tmp->next) {
2573 info_tmp = tmp->data;
2574 if (strcmp (info->name, info_tmp->name) == 0 && info_versions_equal (info, info_tmp))
2578 info_copy = mono_mempool_alloc0 (domain->mp, sizeof (MonoAssemblyBindingInfo));
2579 memcpy (info_copy, info, sizeof (MonoAssemblyBindingInfo));
2581 info_copy->name = mono_mempool_strdup (domain->mp, info->name);
2583 info_copy->culture = mono_mempool_strdup (domain->mp, info->culture);
2585 domain->assembly_bindings = g_slist_append_mempool (domain->mp, domain->assembly_bindings, info_copy);
2589 get_version_number (int major, int minor)
2591 return major * 256 + minor;
2594 static inline gboolean
2595 info_major_minor_in_range (MonoAssemblyBindingInfo *info, MonoAssemblyName *aname)
2597 int aname_version_number = get_version_number (aname->major, aname->minor);
2598 if (!info->has_old_version_bottom)
2601 if (get_version_number (info->old_version_bottom.major, info->old_version_bottom.minor) > aname_version_number)
2604 if (info->has_old_version_top && get_version_number (info->old_version_top.major, info->old_version_top.minor) < aname_version_number)
2607 /* This is not the nicest way to do it, but it's a by-product of the way parsing is done */
2608 info->major = aname->major;
2609 info->minor = aname->minor;
2614 /* LOCKING: Assumes that we are already locked - both loader and domain locks */
2615 static MonoAssemblyBindingInfo*
2616 get_per_domain_assembly_binding_info (MonoDomain *domain, MonoAssemblyName *aname)
2618 MonoAssemblyBindingInfo *info;
2621 if (!domain->assembly_bindings)
2625 for (list = domain->assembly_bindings; list; list = list->next) {
2627 if (info && !strcmp (aname->name, info->name) && info_major_minor_in_range (info, aname))
2633 if (info->name && info->public_key_token [0] && info->has_old_version_bottom &&
2634 info->has_new_version && assembly_binding_maps_name (info, aname))
2635 info->is_valid = TRUE;
2637 info->is_valid = FALSE;
2643 static MonoAssemblyName*
2644 mono_assembly_apply_binding (MonoAssemblyName *aname, MonoAssemblyName *dest_name)
2646 MonoAssemblyBindingInfo *info, *info2;
2650 if (aname->public_key_token [0] == 0)
2653 domain = mono_domain_get ();
2655 mono_assembly_binding_lock ();
2656 info = search_binding_loaded (aname);
2657 mono_assembly_binding_unlock ();
2660 mono_domain_lock (domain);
2661 info = get_per_domain_assembly_binding_info (domain, aname);
2662 mono_domain_unlock (domain);
2666 if (!check_policy_versions (info, aname))
2669 mono_assembly_bind_version (info, aname, dest_name);
2673 if (domain && domain->setup && domain->setup->configuration_file) {
2674 mono_domain_lock (domain);
2675 if (!domain->assembly_bindings_parsed) {
2676 gchar *domain_config_file_name = mono_string_to_utf8 (domain->setup->configuration_file);
2677 gchar *domain_config_file_path = mono_portability_find_file (domain_config_file_name, TRUE);
2679 if (!domain_config_file_path)
2680 domain_config_file_path = domain_config_file_name;
2682 mono_config_parse_assembly_bindings (domain_config_file_path, aname->major, aname->minor, domain, assembly_binding_info_parsed);
2683 domain->assembly_bindings_parsed = TRUE;
2684 if (domain_config_file_name != domain_config_file_path)
2685 g_free (domain_config_file_name);
2686 g_free (domain_config_file_path);
2689 info2 = get_per_domain_assembly_binding_info (domain, aname);
2692 info = g_memdup (info2, sizeof (MonoAssemblyBindingInfo));
2693 info->name = g_strdup (info2->name);
2694 info->culture = g_strdup (info2->culture);
2695 info->domain_id = domain->domain_id;
2698 mono_domain_unlock (domain);
2702 info = g_new0 (MonoAssemblyBindingInfo, 1);
2703 info->major = aname->major;
2704 info->minor = aname->minor;
2707 if (!info->is_valid) {
2708 ppimage = mono_assembly_load_publisher_policy (aname);
2710 get_publisher_policy_info (ppimage, aname, info);
2711 mono_image_close (ppimage);
2715 /* Define default error value if needed */
2716 if (!info->is_valid) {
2717 info->name = g_strdup (aname->name);
2718 info->culture = g_strdup (aname->culture);
2719 g_strlcpy ((char *)info->public_key_token, (const char *)aname->public_key_token, MONO_PUBLIC_KEY_TOKEN_LENGTH);
2722 mono_assembly_binding_lock ();
2723 info2 = search_binding_loaded (aname);
2725 /* This binding was added by another thread
2727 mono_assembly_binding_info_free (info);
2732 loaded_assembly_bindings = g_slist_prepend (loaded_assembly_bindings, info);
2734 mono_assembly_binding_unlock ();
2736 if (!info->is_valid || !check_policy_versions (info, aname))
2739 mono_assembly_bind_version (info, aname, dest_name);
2744 * mono_assembly_load_from_gac
2746 * @aname: The assembly name object
2748 static MonoAssembly*
2749 mono_assembly_load_from_gac (MonoAssemblyName *aname, gchar *filename, MonoImageOpenStatus *status, MonoBoolean refonly)
2751 MonoAssembly *result = NULL;
2752 gchar *name, *version, *culture, *fullpath, *subpath;
2757 if (aname->public_key_token [0] == 0) {
2761 if (strstr (aname->name, ".dll")) {
2762 len = strlen (filename) - 4;
2763 name = g_malloc (len);
2764 strncpy (name, aname->name, len);
2766 name = g_strdup (aname->name);
2769 if (aname->culture) {
2770 culture = g_utf8_strdown (aname->culture, -1);
2772 culture = g_strdup ("");
2775 pubtok = g_ascii_strdown ((char*)aname->public_key_token, MONO_PUBLIC_KEY_TOKEN_LENGTH);
2776 version = g_strdup_printf ("%d.%d.%d.%d_%s_%s", aname->major,
2777 aname->minor, aname->build, aname->revision,
2781 subpath = g_build_path (G_DIR_SEPARATOR_S, name, version, filename, NULL);
2786 if (extra_gac_paths) {
2787 paths = extra_gac_paths;
2788 while (!result && *paths) {
2789 fullpath = g_build_path (G_DIR_SEPARATOR_S, *paths, "lib", "mono", "gac", subpath, NULL);
2790 result = mono_assembly_open_full (fullpath, status, refonly);
2797 result->in_gac = TRUE;
2802 fullpath = g_build_path (G_DIR_SEPARATOR_S, mono_assembly_getrootdir (),
2803 "mono", "gac", subpath, NULL);
2804 result = mono_assembly_open_full (fullpath, status, refonly);
2808 result->in_gac = TRUE;
2816 mono_assembly_load_corlib (const MonoRuntimeInfo *runtime, MonoImageOpenStatus *status)
2819 MonoAssemblyName *aname;
2822 /* g_print ("corlib already loaded\n"); */
2826 #if defined(__native_client__)
2827 if (corlibData != NULL && corlibSize != 0) {
2829 /* First "FALSE" instructs mono not to make a copy. */
2830 /* Second "FALSE" says this is not just a ref. */
2831 MonoImage* image = mono_image_open_from_data_full (corlibData, corlibSize, FALSE, &status, FALSE);
2832 if (image == NULL || status != 0)
2833 g_print("mono_image_open_from_data_full failed: %d\n", status);
2834 corlib = mono_assembly_load_from_full (image, "mscorlib", &status, FALSE);
2835 if (corlib == NULL || status != 0)
2836 g_print ("mono_assembly_load_from_full failed: %d\n", status);
2842 aname = mono_assembly_name_new ("mscorlib.dll");
2843 corlib = invoke_assembly_preload_hook (aname, assemblies_path);
2844 mono_assembly_name_free (aname);
2849 if (assemblies_path) {
2850 corlib = load_in_path ("mscorlib.dll", (const char**)assemblies_path, status, FALSE);
2855 /* Load corlib from mono/<version> */
2857 corlib_file = g_build_filename ("mono", runtime->framework_version, "mscorlib.dll", NULL);
2858 if (assemblies_path) {
2859 corlib = load_in_path (corlib_file, (const char**)assemblies_path, status, FALSE);
2861 g_free (corlib_file);
2865 corlib = load_in_path (corlib_file, default_path, status, FALSE);
2866 g_free (corlib_file);
2868 if (corlib && !strcmp (runtime->framework_version, "4.5"))
2869 default_path [1] = g_strdup_printf ("%s/mono/4.5/Facades", default_path [0]);
2875 mono_assembly_load_full_nosearch (MonoAssemblyName *aname,
2876 const char *basedir,
2877 MonoImageOpenStatus *status,
2880 MonoAssembly *result;
2881 char *fullpath, *filename;
2882 MonoAssemblyName maped_aname;
2883 MonoAssemblyName maped_name_pp;
2888 aname = mono_assembly_remap_version (aname, &maped_aname);
2890 /* Reflection only assemblies don't get assembly binding */
2892 aname = mono_assembly_apply_binding (aname, &maped_name_pp);
2894 result = mono_assembly_loaded_full (aname, refonly);
2898 result = refonly ? invoke_assembly_refonly_preload_hook (aname, assemblies_path) : invoke_assembly_preload_hook (aname, assemblies_path);
2900 result->in_gac = FALSE;
2904 /* Currently we retrieve the loaded corlib for reflection
2905 * only requests, like a common reflection only assembly
2907 if (strcmp (aname->name, "mscorlib") == 0 || strcmp (aname->name, "mscorlib.dll") == 0) {
2908 return mono_assembly_load_corlib (mono_get_runtime_info (), status);
2911 len = strlen (aname->name);
2912 for (ext_index = 0; ext_index < 2; ext_index ++) {
2913 ext = ext_index == 0 ? ".dll" : ".exe";
2914 if (len > 4 && (!strcmp (aname->name + len - 4, ".dll") || !strcmp (aname->name + len - 4, ".exe"))) {
2915 filename = g_strdup (aname->name);
2916 /* Don't try appending .dll/.exe if it already has one of those extensions */
2919 filename = g_strconcat (aname->name, ext, NULL);
2922 result = mono_assembly_load_from_gac (aname, filename, status, refonly);
2929 fullpath = g_build_filename (basedir, filename, NULL);
2930 result = mono_assembly_open_full (fullpath, status, refonly);
2933 result->in_gac = FALSE;
2939 result = load_in_path (filename, default_path, status, refonly);
2941 result->in_gac = FALSE;
2951 * mono_assembly_load_full:
2952 * @aname: A MonoAssemblyName with the assembly name to load.
2953 * @basedir: A directory to look up the assembly at.
2954 * @status: a pointer to a MonoImageOpenStatus to return the status of the load operation
2955 * @refonly: Whether this assembly is being opened in "reflection-only" mode.
2957 * Loads the assembly referenced by @aname, if the value of @basedir is not NULL, it
2958 * attempts to load the assembly from that directory before probing the standard locations.
2960 * If the assembly is being opened in reflection-only mode (@refonly set to TRUE) then no
2961 * assembly binding takes place.
2963 * Returns: the assembly referenced by @aname loaded or NULL on error. On error the
2964 * value pointed by status is updated with an error code.
2967 mono_assembly_load_full (MonoAssemblyName *aname, const char *basedir, MonoImageOpenStatus *status, gboolean refonly)
2969 MonoAssembly *result = mono_assembly_load_full_nosearch (aname, basedir, status, refonly);
2972 /* Try a postload search hook */
2973 result = mono_assembly_invoke_search_hook_internal (aname, refonly, TRUE);
2978 * mono_assembly_load:
2979 * @aname: A MonoAssemblyName with the assembly name to load.
2980 * @basedir: A directory to look up the assembly at.
2981 * @status: a pointer to a MonoImageOpenStatus to return the status of the load operation
2983 * Loads the assembly referenced by @aname, if the value of @basedir is not NULL, it
2984 * attempts to load the assembly from that directory before probing the standard locations.
2986 * Returns: the assembly referenced by @aname loaded or NULL on error. On error the
2987 * value pointed by status is updated with an error code.
2990 mono_assembly_load (MonoAssemblyName *aname, const char *basedir, MonoImageOpenStatus *status)
2992 return mono_assembly_load_full (aname, basedir, status, FALSE);
2996 mono_assembly_loaded_full (MonoAssemblyName *aname, gboolean refonly)
2999 MonoAssemblyName maped_aname;
3001 aname = mono_assembly_remap_version (aname, &maped_aname);
3003 res = mono_assembly_invoke_search_hook_internal (aname, refonly, FALSE);
3009 * mono_assembly_loaded:
3010 * @aname: an assembly to look for.
3012 * Returns: NULL If the given @aname assembly has not been loaded, or a pointer to
3013 * a MonoAssembly that matches the MonoAssemblyName specified.
3016 mono_assembly_loaded (MonoAssemblyName *aname)
3018 return mono_assembly_loaded_full (aname, FALSE);
3022 mono_assembly_release_gc_roots (MonoAssembly *assembly)
3024 if (assembly == NULL || assembly == REFERENCE_MISSING)
3027 if (assembly->dynamic) {
3029 MonoDynamicImage *dynimg = (MonoDynamicImage *)assembly->image;
3030 for (i = 0; i < dynimg->image.module_count; ++i)
3031 mono_dynamic_image_release_gc_roots ((MonoDynamicImage *)dynimg->image.modules [i]);
3032 mono_dynamic_image_release_gc_roots (dynimg);
3037 * Returns whether mono_assembly_close_finish() must be called as
3038 * well. See comment for mono_image_close_except_pools() for why we
3039 * unload in two steps.
3042 mono_assembly_close_except_image_pools (MonoAssembly *assembly)
3045 g_return_val_if_fail (assembly != NULL, FALSE);
3047 if (assembly == REFERENCE_MISSING)
3050 /* Might be 0 already */
3051 if (InterlockedDecrement (&assembly->ref_count) > 0)
3054 mono_profiler_assembly_event (assembly, MONO_PROFILE_START_UNLOAD);
3056 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_ASSEMBLY, "Unloading assembly %s [%p].", assembly->aname.name, assembly);
3058 mono_debug_close_image (assembly->image);
3060 mono_assemblies_lock ();
3061 loaded_assemblies = g_list_remove (loaded_assemblies, assembly);
3062 mono_assemblies_unlock ();
3064 assembly->image->assembly = NULL;
3066 if (!mono_image_close_except_pools (assembly->image))
3067 assembly->image = NULL;
3069 for (tmp = assembly->friend_assembly_names; tmp; tmp = tmp->next) {
3070 MonoAssemblyName *fname = tmp->data;
3071 mono_assembly_name_free (fname);
3074 g_slist_free (assembly->friend_assembly_names);
3075 g_free (assembly->basedir);
3077 mono_profiler_assembly_event (assembly, MONO_PROFILE_END_UNLOAD);
3083 mono_assembly_close_finish (MonoAssembly *assembly)
3085 g_assert (assembly && assembly != REFERENCE_MISSING);
3087 if (assembly->image)
3088 mono_image_close_finish (assembly->image);
3090 if (assembly->dynamic) {
3091 g_free ((char*)assembly->aname.culture);
3098 * mono_assembly_close:
3099 * @assembly: the assembly to release.
3101 * This method releases a reference to the @assembly. The assembly is
3102 * only released when all the outstanding references to it are released.
3105 mono_assembly_close (MonoAssembly *assembly)
3107 if (mono_assembly_close_except_image_pools (assembly))
3108 mono_assembly_close_finish (assembly);
3112 mono_assembly_load_module (MonoAssembly *assembly, guint32 idx)
3114 return mono_image_load_file_for_image (assembly->image, idx);
3118 mono_assembly_foreach (GFunc func, gpointer user_data)
3123 * We make a copy of the list to avoid calling the callback inside the
3124 * lock, which could lead to deadlocks.
3126 mono_assemblies_lock ();
3127 copy = g_list_copy (loaded_assemblies);
3128 mono_assemblies_unlock ();
3130 g_list_foreach (loaded_assemblies, func, user_data);
3136 * mono_assemblies_cleanup:
3138 * Free all resources used by this module.
3141 mono_assemblies_cleanup (void)
3145 DeleteCriticalSection (&assemblies_mutex);
3146 mono_mutex_destroy (&assembly_binding_mutex);
3148 for (l = loaded_assembly_bindings; l; l = l->next) {
3149 MonoAssemblyBindingInfo *info = l->data;
3151 mono_assembly_binding_info_free (info);
3154 g_slist_free (loaded_assembly_bindings);
3156 free_assembly_load_hooks ();
3157 free_assembly_search_hooks ();
3158 free_assembly_preload_hooks ();
3161 /*LOCKING takes the assembly_binding lock*/
3163 mono_assembly_cleanup_domain_bindings (guint32 domain_id)
3167 mono_assembly_binding_lock ();
3168 iter = &loaded_assembly_bindings;
3171 MonoAssemblyBindingInfo *info = l->data;
3173 if (info->domain_id == domain_id) {
3175 mono_assembly_binding_info_free (info);
3182 mono_assembly_binding_unlock ();
3186 * Holds the assembly of the application, for
3187 * System.Diagnostics.Process::MainModule
3189 static MonoAssembly *main_assembly=NULL;
3192 mono_assembly_set_main (MonoAssembly *assembly)
3194 main_assembly = assembly;
3198 * mono_assembly_get_main:
3200 * Returns: the assembly for the application, the first assembly that is loaded by the VM
3203 mono_assembly_get_main (void)
3205 return (main_assembly);
3209 * mono_assembly_get_image:
3210 * @assembly: The assembly to retrieve the image from
3212 * Returns: the MonoImage associated with this assembly.
3215 mono_assembly_get_image (MonoAssembly *assembly)
3217 return assembly->image;
3221 mono_register_bundled_assemblies (const MonoBundledAssembly **assemblies)
3223 bundles = assemblies;
3226 #define MONO_DECLSEC_FORMAT_10 0x3C
3227 #define MONO_DECLSEC_FORMAT_20 0x2E
3228 #define MONO_DECLSEC_FIELD 0x53
3229 #define MONO_DECLSEC_PROPERTY 0x54
3231 #define SKIP_VISIBILITY_XML_ATTRIBUTE ("\"SkipVerification\"")
3232 #define SKIP_VISIBILITY_ATTRIBUTE_NAME ("System.Security.Permissions.SecurityPermissionAttribute")
3233 #define SKIP_VISIBILITY_ATTRIBUTE_SIZE (sizeof (SKIP_VISIBILITY_ATTRIBUTE_NAME) - 1)
3234 #define SKIP_VISIBILITY_PROPERTY_NAME ("SkipVerification")
3235 #define SKIP_VISIBILITY_PROPERTY_SIZE (sizeof (SKIP_VISIBILITY_PROPERTY_NAME) - 1)
3238 mono_assembly_try_decode_skip_verification_param (const char *p, const char **resp, gboolean *abort_decoding)
3242 case MONO_DECLSEC_PROPERTY:
3244 case MONO_DECLSEC_FIELD:
3246 *abort_decoding = TRUE;
3251 if (*p++ != MONO_TYPE_BOOLEAN) {
3252 *abort_decoding = TRUE;
3256 /* property name length */
3257 len = mono_metadata_decode_value (p, &p);
3259 if (len >= SKIP_VISIBILITY_PROPERTY_SIZE && !memcmp (p, SKIP_VISIBILITY_PROPERTY_NAME, SKIP_VISIBILITY_PROPERTY_SIZE)) {
3270 mono_assembly_try_decode_skip_verification (const char *p, const char *endn)
3272 int i, j, num, len, params_len;
3274 if (*p == MONO_DECLSEC_FORMAT_10) {
3275 gsize read, written;
3276 char *res = g_convert (p, endn - p, "UTF-8", "UTF-16LE", &read, &written, NULL);
3278 gboolean found = strstr (res, SKIP_VISIBILITY_XML_ATTRIBUTE) != NULL;
3284 if (*p++ != MONO_DECLSEC_FORMAT_20)
3287 /* number of encoded permission attributes */
3288 num = mono_metadata_decode_value (p, &p);
3289 for (i = 0; i < num; ++i) {
3290 gboolean is_valid = FALSE;
3291 gboolean abort_decoding = FALSE;
3293 /* attribute name length */
3294 len = mono_metadata_decode_value (p, &p);
3296 /* We don't really need to fully decode the type. Comparing the name is enough */
3297 is_valid = len >= SKIP_VISIBILITY_ATTRIBUTE_SIZE && !memcmp (p, SKIP_VISIBILITY_ATTRIBUTE_NAME, SKIP_VISIBILITY_ATTRIBUTE_SIZE);
3301 /*size of the params table*/
3302 params_len = mono_metadata_decode_value (p, &p);
3304 const char *params_end = p + params_len;
3306 /* number of parameters */
3307 len = mono_metadata_decode_value (p, &p);
3309 for (j = 0; j < len; ++j) {
3310 if (mono_assembly_try_decode_skip_verification_param (p, &p, &abort_decoding))
3326 mono_assembly_has_skip_verification (MonoAssembly *assembly)
3329 guint32 cols [MONO_DECL_SECURITY_SIZE];
3333 if (MONO_SECMAN_FLAG_INIT (assembly->skipverification))
3334 return MONO_SECMAN_FLAG_GET_VALUE (assembly->skipverification);
3336 t = &assembly->image->tables [MONO_TABLE_DECLSECURITY];
3338 for (i = 0; i < t->rows; ++i) {
3339 mono_metadata_decode_row (t, i, cols, MONO_DECL_SECURITY_SIZE);
3340 if ((cols [MONO_DECL_SECURITY_PARENT] & MONO_HAS_DECL_SECURITY_MASK) != MONO_HAS_DECL_SECURITY_ASSEMBLY)
3342 if (cols [MONO_DECL_SECURITY_ACTION] != SECURITY_ACTION_REQMIN)
3345 blob = mono_metadata_blob_heap (assembly->image, cols [MONO_DECL_SECURITY_PERMISSIONSET]);
3346 len = mono_metadata_decode_blob_size (blob, &blob);
3350 if (mono_assembly_try_decode_skip_verification (blob, blob + len)) {
3351 MONO_SECMAN_FLAG_SET_VALUE (assembly->skipverification, TRUE);
3356 MONO_SECMAN_FLAG_SET_VALUE (assembly->skipverification, FALSE);