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)
18 #include "object-internals.h"
19 #include <mono/metadata/loader.h>
20 #include <mono/metadata/tabledefs.h>
21 #include <mono/metadata/metadata-internals.h>
22 #include <mono/metadata/profiler-private.h>
23 #include <mono/metadata/class-internals.h>
24 #include <mono/metadata/domain-internals.h>
25 #include <mono/metadata/mono-endian.h>
26 #include <mono/metadata/mono-debug.h>
27 #include <mono/io-layer/io-layer.h>
28 #include <mono/utils/mono-uri.h>
29 #include <mono/metadata/mono-config.h>
30 #include <mono/utils/mono-digest.h>
31 #include <mono/utils/mono-logger-internal.h>
32 #include <mono/metadata/reflection.h>
33 #include <mono/metadata/coree.h>
36 #include <sys/types.h>
41 #ifdef PLATFORM_MACOSX
42 #include <mach-o/dyld.h>
45 /* AssemblyVersionMap: an assembly name and the assembly version set on which it is based */
47 const char* assembly_name;
48 guint8 version_set_index;
51 /* the default search path is empty, the first slot is replaced with the computed value */
58 /* Contains the list of directories to be searched for assemblies (MONO_PATH) */
59 static char **assemblies_path = NULL;
61 /* Contains the list of directories that point to auxiliary GACs */
62 static char **extra_gac_paths = NULL;
64 /* The list of system assemblies what will be remapped to the running
65 * runtime version. WARNING: this list must be sorted.
67 static const AssemblyVersionMap framework_assemblies [] = {
69 {"Commons.Xml.Relaxng", 0},
76 {"Microsoft.VisualBasic", 1},
77 {"Microsoft.VisualC", 1},
79 {"Mono.CompilerServices.SymbolWriter", 0},
81 {"Mono.Data.SybaseClient", 0},
83 {"Mono.Data.TdsClient", 0},
84 {"Mono.GetOptions", 0},
88 {"Mono.Security.Win32", 0},
90 {"Novell.Directory.Ldap", 0},
94 {"System.ComponentModel.DataAnnotations", 2},
95 {"System.Configuration", 0},
96 {"System.Configuration.Install", 0},
99 {"System.Data.Linq", 2},
100 {"System.Data.OracleClient", 0},
101 {"System.Data.SqlXml", 0},
102 {"System.Design", 0},
103 {"System.DirectoryServices", 0},
104 {"System.Drawing", 0},
105 {"System.Drawing.Design", 0},
106 {"System.EnterpriseServices", 0},
107 {"System.Management", 0},
108 {"System.Messaging", 0},
109 {"System.Runtime.Remoting", 0},
110 {"System.Runtime.Serialization.Formatters.Soap", 0},
111 {"System.Security", 0},
112 {"System.ServiceProcess", 0},
114 {"System.Web.Abstractions", 2},
115 {"System.Web.Extensions", 2},
116 {"System.Web.Mobile", 0},
117 {"System.Web.Routing", 2},
118 {"System.Web.Services", 0},
119 {"System.Windows.Forms", 0},
125 * keeps track of loaded assemblies
127 static GList *loaded_assemblies = NULL;
128 static MonoAssembly *corlib;
130 #if defined(__native_client__)
132 /* On Native Client, allow mscorlib to be loaded from memory */
133 /* instead of loaded off disk. If these are not set, default */
134 /* mscorlib loading will take place */
136 /* NOTE: If mscorlib data is passed to mono in this way then */
137 /* it needs to remain allocated during the use of mono. */
139 static void *corlibData = NULL;
140 static size_t corlibSize = 0;
143 mono_set_corlib_data (void *data, size_t size)
151 /* This protects loaded_assemblies and image->references */
152 #define mono_assemblies_lock() EnterCriticalSection (&assemblies_mutex)
153 #define mono_assemblies_unlock() LeaveCriticalSection (&assemblies_mutex)
154 static CRITICAL_SECTION assemblies_mutex;
156 /* If defined, points to the bundled assembly information */
157 const MonoBundledAssembly **bundles;
159 /* Loaded assembly binding info */
160 static GSList *loaded_assembly_bindings = NULL;
163 mono_assembly_invoke_search_hook_internal (MonoAssemblyName *aname, gboolean refonly, gboolean postload);
165 mono_assembly_is_in_gac (const gchar *filanem);
168 encode_public_tok (const guchar *token, gint32 len)
170 const static gchar allowed [] = { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f' };
174 res = g_malloc (len * 2 + 1);
175 for (i = 0; i < len; i++) {
176 res [i * 2] = allowed [token [i] >> 4];
177 res [i * 2 + 1] = allowed [token [i] & 0xF];
184 * mono_public_tokens_are_equal:
185 * @pubt1: first public key token
186 * @pubt2: second public key token
188 * Compare two public key tokens and return #TRUE is they are equal and #FALSE
192 mono_public_tokens_are_equal (const unsigned char *pubt1, const unsigned char *pubt2)
194 return memcmp (pubt1, pubt2, 16) == 0;
198 check_path_env (void)
201 char **splitted, **dest;
203 path = g_getenv ("MONO_PATH");
207 splitted = g_strsplit (path, G_SEARCHPATH_SEPARATOR_S, 1000);
209 g_strfreev (assemblies_path);
210 assemblies_path = dest = splitted;
218 if (g_getenv ("MONO_DEBUG") == NULL)
221 splitted = assemblies_path;
223 if (**splitted && !g_file_test (*splitted, G_FILE_TEST_IS_DIR))
224 g_warning ("'%s' in MONO_PATH doesn't exist or has wrong permissions.", *splitted);
231 check_extra_gac_path_env (void) {
233 char **splitted, **dest;
235 path = g_getenv ("MONO_GAC_PREFIX");
239 splitted = g_strsplit (path, G_SEARCHPATH_SEPARATOR_S, 1000);
241 g_strfreev (extra_gac_paths);
242 extra_gac_paths = dest = splitted;
250 if (g_getenv ("MONO_DEBUG") == NULL)
254 if (**splitted && !g_file_test (*splitted, G_FILE_TEST_IS_DIR))
255 g_warning ("'%s' in MONO_GAC_PREFIX doesn't exist or has wrong permissions.", *splitted);
262 assembly_binding_maps_name (MonoAssemblyBindingInfo *info, MonoAssemblyName *aname)
264 if (!info || !info->name)
267 if (strcmp (info->name, aname->name))
270 if (info->major != aname->major || info->minor != aname->minor)
273 if ((info->culture != NULL && info->culture [0]) != (aname->culture != NULL && aname->culture [0]))
276 if (info->culture && aname->culture && strcmp (info->culture, aname->culture))
279 if (!mono_public_tokens_are_equal (info->public_key_token, aname->public_key_token))
286 mono_assembly_binding_info_free (MonoAssemblyBindingInfo *info)
292 g_free (info->culture);
296 get_publisher_policy_info (MonoImage *image, MonoAssemblyName *aname, MonoAssemblyBindingInfo *binding_info)
299 guint32 cols [MONO_MANIFEST_SIZE];
300 const gchar *filename;
301 gchar *subpath, *fullpath;
303 t = &image->tables [MONO_TABLE_MANIFESTRESOURCE];
304 /* MS Impl. accepts policy assemblies with more than
305 * one manifest resource, and only takes the first one */
307 binding_info->is_valid = FALSE;
311 mono_metadata_decode_row (t, 0, cols, MONO_MANIFEST_SIZE);
312 if ((cols [MONO_MANIFEST_IMPLEMENTATION] & MONO_IMPLEMENTATION_MASK) != MONO_IMPLEMENTATION_FILE) {
313 binding_info->is_valid = FALSE;
317 filename = mono_metadata_string_heap (image, cols [MONO_MANIFEST_NAME]);
318 g_assert (filename != NULL);
320 subpath = g_path_get_dirname (image->name);
321 fullpath = g_build_path (G_DIR_SEPARATOR_S, subpath, filename, NULL);
322 mono_config_parse_publisher_policy (fullpath, binding_info);
326 /* Define the optional elements/attributes before checking */
327 if (!binding_info->culture)
328 binding_info->culture = g_strdup ("");
330 /* Check that the most important elements/attributes exist */
331 if (!binding_info->name || !binding_info->public_key_token [0] || !binding_info->has_old_version_bottom ||
332 !binding_info->has_new_version || !assembly_binding_maps_name (binding_info, aname)) {
333 mono_assembly_binding_info_free (binding_info);
334 binding_info->is_valid = FALSE;
338 binding_info->is_valid = TRUE;
342 compare_versions (AssemblyVersionSet *v, MonoAssemblyName *aname)
344 if (v->major > aname->major)
346 else if (v->major < aname->major)
349 if (v->minor > aname->minor)
351 else if (v->minor < aname->minor)
354 if (v->build > aname->build)
356 else if (v->build < aname->build)
359 if (v->revision > aname->revision)
361 else if (v->revision < aname->revision)
368 check_policy_versions (MonoAssemblyBindingInfo *info, MonoAssemblyName *name)
373 /* If has_old_version_top doesn't exist, we don't have an interval */
374 if (!info->has_old_version_top) {
375 if (compare_versions (&info->old_version_bottom, name) == 0)
381 /* Check that the version defined by name is valid for the interval */
382 if (compare_versions (&info->old_version_top, name) < 0)
385 /* We should be greater or equal than the small version */
386 if (compare_versions (&info->old_version_bottom, name) > 0)
393 * mono_assembly_names_equal:
395 * @r: second assembly.
397 * Compares two MonoAssemblyNames and returns whether they are equal.
399 * This compares the names, the cultures, the release version and their
402 * Returns: TRUE if both assembly names are equal.
405 mono_assembly_names_equal (MonoAssemblyName *l, MonoAssemblyName *r)
407 if (!l->name || !r->name)
410 if (strcmp (l->name, r->name))
413 if (l->culture && r->culture && strcmp (l->culture, r->culture))
416 if (l->major != r->major || l->minor != r->minor ||
417 l->build != r->build || l->revision != r->revision)
418 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)))
421 if (!l->public_key_token [0] || !r->public_key_token [0])
424 if (!mono_public_tokens_are_equal (l->public_key_token, r->public_key_token))
430 static MonoAssembly *
431 load_in_path (const char *basename, const char** search_path, MonoImageOpenStatus *status, MonoBoolean refonly)
435 MonoAssembly *result;
437 for (i = 0; search_path [i]; ++i) {
438 fullpath = g_build_filename (search_path [i], basename, NULL);
439 result = mono_assembly_open_full (fullpath, status, refonly);
448 * mono_assembly_setrootdir:
449 * @root_dir: The pathname of the root directory where we will locate assemblies
451 * This routine sets the internal default root directory for looking up
454 * This is used by Windows installations to compute dynamically the
455 * place where the Mono assemblies are located.
459 mono_assembly_setrootdir (const char *root_dir)
462 * Override the MONO_ASSEMBLIES directory configured at compile time.
464 /* Leak if called more than once */
465 default_path [0] = g_strdup (root_dir);
469 * mono_assembly_getrootdir:
471 * Obtains the root directory used for looking up assemblies.
473 * Returns: a string with the directory, this string should not be freed.
475 G_CONST_RETURN gchar *
476 mono_assembly_getrootdir (void)
478 return default_path [0];
483 * @assembly_dir: the base directory for assemblies
484 * @config_dir: the base directory for configuration files
486 * This routine is used internally and by developers embedding
487 * the runtime into their own applications.
489 * There are a number of cases to consider: Mono as a system-installed
490 * package that is available on the location preconfigured or Mono in
491 * a relocated location.
493 * If you are using a system-installed Mono, you can pass NULL
494 * to both parameters. If you are not, you should compute both
495 * directory values and call this routine.
497 * The values for a given PREFIX are:
499 * assembly_dir: PREFIX/lib
500 * config_dir: PREFIX/etc
502 * Notice that embedders that use Mono in a relocated way must
503 * compute the location at runtime, as they will be in control
504 * of where Mono is installed.
507 mono_set_dirs (const char *assembly_dir, const char *config_dir)
509 #if defined (MONO_ASSEMBLIES)
510 if (assembly_dir == NULL)
511 assembly_dir = MONO_ASSEMBLIES;
513 #if defined (MONO_CFG_DIR)
514 if (config_dir == NULL)
515 config_dir = MONO_CFG_DIR;
517 mono_assembly_setrootdir (assembly_dir);
518 mono_set_config_dir (config_dir);
524 compute_base (char *path)
526 char *p = strrchr (path, '/');
530 /* Not a well known Mono executable, we are embedded, cant guess the base */
531 if (strcmp (p, "/mono") && strcmp (p, "/monodis") && strcmp (p, "/mint") && strcmp (p, "/monodiet"))
535 p = strrchr (path, '/');
539 if (strcmp (p, "/bin") != 0)
548 mono_set_dirs (MONO_ASSEMBLIES, MONO_CFG_DIR);
555 char *config, *lib, *mono;
559 * Only /usr prefix is treated specially
561 if (strncmp (exe, MONO_BINDIR, strlen (MONO_BINDIR)) == 0 || (base = compute_base (exe)) == NULL){
566 config = g_build_filename (base, "etc", NULL);
567 lib = g_build_filename (base, "lib", NULL);
568 mono = g_build_filename (lib, "mono/1.0", NULL);
569 if (stat (mono, &buf) == -1)
572 mono_set_dirs (lib, config);
580 #endif /* HOST_WIN32 */
585 * Registers the root directory for the Mono runtime, for Linux and Solaris 10,
586 * this auto-detects the prefix where Mono was installed.
589 mono_set_rootdir (void)
591 #if defined(HOST_WIN32) || (defined(PLATFORM_MACOSX) && !defined(TARGET_ARM))
592 gchar *bindir, *installdir, *root, *name, *config;
595 name = mono_get_module_file_name ((HMODULE) &__ImageBase);
599 * _NSGetExecutablePath may return -1 to indicate buf is not large
600 * enough, but we ignore that case to avoid having to do extra dynamic
601 * allocation for the path and hope that 4096 is enough - this is
602 * ok in the Linux/Solaris case below at least...
606 guint buf_size = sizeof (buf);
608 if (_NSGetExecutablePath (buf, &buf_size) == 0)
609 name = g_strdup (buf);
618 bindir = g_path_get_dirname (name);
619 installdir = g_path_get_dirname (bindir);
620 root = g_build_path (G_DIR_SEPARATOR_S, installdir, "lib", NULL);
622 config = g_build_filename (root, "..", "etc", NULL);
624 mono_set_dirs (root, config);
626 if (g_file_test (root, G_FILE_TEST_EXISTS) && g_file_test (config, G_FILE_TEST_EXISTS))
627 mono_set_dirs (root, config);
637 #elif defined(DISABLE_MONO_AUTODETECTION)
645 s = readlink ("/proc/self/exe", buf, sizeof (buf)-1);
653 /* Solaris 10 style */
654 str = g_strdup_printf ("/proc/%d/path/a.out", getpid ());
655 s = readlink (str, buf, sizeof (buf)-1);
667 * mono_assemblies_init:
669 * Initialize global variables used by this module.
672 mono_assemblies_init (void)
675 * Initialize our internal paths if we have not been initialized yet.
676 * This happens when embedders use Mono.
678 if (mono_assembly_getrootdir () == NULL)
682 check_extra_gac_path_env ();
684 InitializeCriticalSection (&assemblies_mutex);
688 mono_assembly_fill_assembly_name (MonoImage *image, MonoAssemblyName *aname)
690 MonoTableInfo *t = &image->tables [MONO_TABLE_ASSEMBLY];
691 guint32 cols [MONO_ASSEMBLY_SIZE];
696 mono_metadata_decode_row (t, 0, cols, MONO_ASSEMBLY_SIZE);
699 aname->hash_value = NULL;
700 aname->name = mono_metadata_string_heap (image, cols [MONO_ASSEMBLY_NAME]);
701 aname->culture = mono_metadata_string_heap (image, cols [MONO_ASSEMBLY_CULTURE]);
702 aname->flags = cols [MONO_ASSEMBLY_FLAGS];
703 aname->major = cols [MONO_ASSEMBLY_MAJOR_VERSION];
704 aname->minor = cols [MONO_ASSEMBLY_MINOR_VERSION];
705 aname->build = cols [MONO_ASSEMBLY_BUILD_NUMBER];
706 aname->revision = cols [MONO_ASSEMBLY_REV_NUMBER];
707 aname->hash_alg = cols [MONO_ASSEMBLY_HASH_ALG];
708 if (cols [MONO_ASSEMBLY_PUBLIC_KEY]) {
709 guchar* token = g_malloc (8);
714 pkey = mono_metadata_blob_heap (image, cols [MONO_ASSEMBLY_PUBLIC_KEY]);
715 len = mono_metadata_decode_blob_size (pkey, &pkey);
716 aname->public_key = (guchar*)pkey;
718 mono_digest_get_public_token (token, aname->public_key, len);
719 encoded = encode_public_tok (token, 8);
720 g_strlcpy ((char*)aname->public_key_token, encoded, MONO_PUBLIC_KEY_TOKEN_LENGTH);
726 aname->public_key = NULL;
727 memset (aname->public_key_token, 0, MONO_PUBLIC_KEY_TOKEN_LENGTH);
730 if (cols [MONO_ASSEMBLY_PUBLIC_KEY]) {
731 aname->public_key = (guchar*)mono_metadata_blob_heap (image, cols [MONO_ASSEMBLY_PUBLIC_KEY]);
734 aname->public_key = 0;
740 * mono_stringify_assembly_name:
741 * @aname: the assembly name.
743 * Convert @aname into its string format. The returned string is dynamically
744 * allocated and should be freed by the caller.
746 * Returns: a newly allocated string with a string representation of
750 mono_stringify_assembly_name (MonoAssemblyName *aname)
752 return g_strdup_printf (
753 "%s, Version=%d.%d.%d.%d, Culture=%s, PublicKeyToken=%s%s",
755 aname->major, aname->minor, aname->build, aname->revision,
756 aname->culture && *aname->culture? aname->culture: "neutral",
757 aname->public_key_token [0] ? (char *)aname->public_key_token : "null",
758 (aname->flags & ASSEMBLYREF_RETARGETABLE_FLAG) ? ", Retargetable=Yes" : "");
762 assemblyref_public_tok (MonoImage *image, guint32 key_index, guint32 flags)
764 const gchar *public_tok;
767 public_tok = mono_metadata_blob_heap (image, key_index);
768 len = mono_metadata_decode_blob_size (public_tok, &public_tok);
770 if (flags & ASSEMBLYREF_FULL_PUBLIC_KEY_FLAG) {
772 mono_digest_get_public_token (token, (guchar*)public_tok, len);
773 return encode_public_tok (token, 8);
776 return encode_public_tok ((guchar*)public_tok, len);
780 * mono_assembly_addref:
781 * @assemnly: the assembly to reference
783 * This routine increments the reference count on a MonoAssembly.
784 * The reference count is reduced every time the method mono_assembly_close() is
788 mono_assembly_addref (MonoAssembly *assembly)
790 InterlockedIncrement (&assembly->ref_count);
793 static MonoAssemblyName *
794 mono_assembly_remap_version (MonoAssemblyName *aname, MonoAssemblyName *dest_aname)
796 const MonoRuntimeInfo *current_runtime;
797 int pos, first, last;
799 if (aname->name == NULL) return aname;
800 current_runtime = mono_get_runtime_info ();
803 last = G_N_ELEMENTS (framework_assemblies) - 1;
805 while (first <= last) {
807 pos = first + (last - first) / 2;
808 res = strcmp (aname->name, framework_assemblies[pos].assembly_name);
810 const AssemblyVersionSet* vset;
811 int index = framework_assemblies[pos].version_set_index;
812 g_assert (index < G_N_ELEMENTS (current_runtime->version_sets));
813 vset = ¤t_runtime->version_sets [index];
815 if (aname->major == vset->major && aname->minor == vset->minor &&
816 aname->build == vset->build && aname->revision == vset->revision)
819 if ((aname->major | aname->minor | aname->build | aname->revision) != 0)
820 mono_trace (G_LOG_LEVEL_WARNING, MONO_TRACE_ASSEMBLY,
821 "The request to load the assembly %s v%d.%d.%d.%d was remapped to v%d.%d.%d.%d",
823 aname->major, aname->minor, aname->build, aname->revision,
824 vset->major, vset->minor, vset->build, vset->revision
827 memcpy (dest_aname, aname, sizeof(MonoAssemblyName));
828 dest_aname->major = vset->major;
829 dest_aname->minor = vset->minor;
830 dest_aname->build = vset->build;
831 dest_aname->revision = vset->revision;
833 } else if (res < 0) {
843 * mono_assembly_get_assemblyref:
845 * Fill out ANAME with the assembly name of the INDEXth assembly reference in IMAGE.
848 mono_assembly_get_assemblyref (MonoImage *image, int index, MonoAssemblyName *aname)
851 guint32 cols [MONO_ASSEMBLYREF_SIZE];
854 t = &image->tables [MONO_TABLE_ASSEMBLYREF];
856 mono_metadata_decode_row (t, index, cols, MONO_ASSEMBLYREF_SIZE);
858 hash = mono_metadata_blob_heap (image, cols [MONO_ASSEMBLYREF_HASH_VALUE]);
859 aname->hash_len = mono_metadata_decode_blob_size (hash, &hash);
860 aname->hash_value = hash;
861 aname->name = mono_metadata_string_heap (image, cols [MONO_ASSEMBLYREF_NAME]);
862 aname->culture = mono_metadata_string_heap (image, cols [MONO_ASSEMBLYREF_CULTURE]);
863 aname->flags = cols [MONO_ASSEMBLYREF_FLAGS];
864 aname->major = cols [MONO_ASSEMBLYREF_MAJOR_VERSION];
865 aname->minor = cols [MONO_ASSEMBLYREF_MINOR_VERSION];
866 aname->build = cols [MONO_ASSEMBLYREF_BUILD_NUMBER];
867 aname->revision = cols [MONO_ASSEMBLYREF_REV_NUMBER];
869 if (cols [MONO_ASSEMBLYREF_PUBLIC_KEY]) {
870 gchar *token = assemblyref_public_tok (image, cols [MONO_ASSEMBLYREF_PUBLIC_KEY], aname->flags);
871 g_strlcpy ((char*)aname->public_key_token, token, MONO_PUBLIC_KEY_TOKEN_LENGTH);
874 memset (aname->public_key_token, 0, MONO_PUBLIC_KEY_TOKEN_LENGTH);
879 mono_assembly_load_reference (MonoImage *image, int index)
881 MonoAssembly *reference;
882 MonoAssemblyName aname;
883 MonoImageOpenStatus status;
886 * image->references is shared between threads, so we need to access
887 * it inside a critical section.
889 mono_assemblies_lock ();
890 if (!image->references) {
891 MonoTableInfo *t = &image->tables [MONO_TABLE_ASSEMBLYREF];
893 image->references = g_new0 (MonoAssembly *, t->rows + 1);
895 reference = image->references [index];
896 mono_assemblies_unlock ();
900 mono_assembly_get_assemblyref (image, index, &aname);
902 if (image->assembly && image->assembly->ref_only) {
903 /* We use the loaded corlib */
904 if (!strcmp (aname.name, "mscorlib"))
905 reference = mono_assembly_load_full (&aname, image->assembly->basedir, &status, FALSE);
907 reference = mono_assembly_loaded_full (&aname, TRUE);
909 /* Try a postload search hook */
910 reference = mono_assembly_invoke_search_hook_internal (&aname, TRUE, TRUE);
914 * Here we must advice that the error was due to
915 * a non loaded reference using the ReflectionOnly api
918 reference = REFERENCE_MISSING;
920 reference = mono_assembly_load (&aname, image->assembly? image->assembly->basedir: NULL, &status);
922 if (reference == NULL){
925 if (status == MONO_IMAGE_ERROR_ERRNO && errno == ENOENT) {
926 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 : "" );
927 } else if (status == MONO_IMAGE_ERROR_ERRNO) {
928 extra_msg = g_strdup_printf ("System error: %s\n", strerror (errno));
929 } else if (status == MONO_IMAGE_MISSING_ASSEMBLYREF) {
930 extra_msg = g_strdup ("Cannot find an assembly referenced from this one.\n");
931 } else if (status == MONO_IMAGE_IMAGE_INVALID) {
932 extra_msg = g_strdup ("The file exists but is not a valid assembly.\n");
934 extra_msg = g_strdup ("");
937 mono_trace (G_LOG_LEVEL_WARNING, MONO_TRACE_ASSEMBLY, "The following assembly referenced from %s could not be loaded:\n"
938 " Assembly: %s (assemblyref_index=%d)\n"
939 " Version: %d.%d.%d.%d\n"
940 " Public Key: %s\n%s",
941 image->name, aname.name, index,
942 aname.major, aname.minor, aname.build, aname.revision,
943 strlen ((char*)aname.public_key_token) == 0 ? "(none)" : (char*)aname.public_key_token, extra_msg);
947 mono_assemblies_lock ();
948 if (reference == NULL) {
949 /* Flag as not found */
950 reference = REFERENCE_MISSING;
953 if (!image->references [index]) {
954 if (reference != REFERENCE_MISSING){
955 mono_assembly_addref (reference);
957 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_ASSEMBLY, "Assembly Ref addref %s %p -> %s %p: %d\n",
958 image->assembly->aname.name, image->assembly, reference->aname.name, reference, reference->ref_count);
961 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_ASSEMBLY, "Failed to load assembly %s %p\n",
962 image->assembly->aname.name, image->assembly);
965 image->references [index] = reference;
967 mono_assemblies_unlock ();
969 if (image->references [index] != reference) {
970 /* Somebody loaded it before us */
971 mono_assembly_close (reference);
976 mono_assembly_load_references (MonoImage *image, MonoImageOpenStatus *status)
978 /* This is a no-op now but it is part of the embedding API so we can't remove it */
979 *status = MONO_IMAGE_OK;
982 typedef struct AssemblyLoadHook AssemblyLoadHook;
983 struct AssemblyLoadHook {
984 AssemblyLoadHook *next;
985 MonoAssemblyLoadFunc func;
989 AssemblyLoadHook *assembly_load_hook = NULL;
992 mono_assembly_invoke_load_hook (MonoAssembly *ass)
994 AssemblyLoadHook *hook;
996 for (hook = assembly_load_hook; hook; hook = hook->next) {
997 hook->func (ass, hook->user_data);
1002 mono_install_assembly_load_hook (MonoAssemblyLoadFunc func, gpointer user_data)
1004 AssemblyLoadHook *hook;
1006 g_return_if_fail (func != NULL);
1008 hook = g_new0 (AssemblyLoadHook, 1);
1010 hook->user_data = user_data;
1011 hook->next = assembly_load_hook;
1012 assembly_load_hook = hook;
1016 free_assembly_load_hooks (void)
1018 AssemblyLoadHook *hook, *next;
1020 for (hook = assembly_load_hook; hook; hook = next) {
1026 typedef struct AssemblySearchHook AssemblySearchHook;
1027 struct AssemblySearchHook {
1028 AssemblySearchHook *next;
1029 MonoAssemblySearchFunc func;
1035 AssemblySearchHook *assembly_search_hook = NULL;
1037 static MonoAssembly*
1038 mono_assembly_invoke_search_hook_internal (MonoAssemblyName *aname, gboolean refonly, gboolean postload)
1040 AssemblySearchHook *hook;
1042 for (hook = assembly_search_hook; hook; hook = hook->next) {
1043 if ((hook->refonly == refonly) && (hook->postload == postload)) {
1044 MonoAssembly *ass = hook->func (aname, hook->user_data);
1054 mono_assembly_invoke_search_hook (MonoAssemblyName *aname)
1056 return mono_assembly_invoke_search_hook_internal (aname, FALSE, FALSE);
1060 mono_install_assembly_search_hook_internal (MonoAssemblySearchFunc func, gpointer user_data, gboolean refonly, gboolean postload)
1062 AssemblySearchHook *hook;
1064 g_return_if_fail (func != NULL);
1066 hook = g_new0 (AssemblySearchHook, 1);
1068 hook->user_data = user_data;
1069 hook->refonly = refonly;
1070 hook->postload = postload;
1071 hook->next = assembly_search_hook;
1072 assembly_search_hook = hook;
1076 mono_install_assembly_search_hook (MonoAssemblySearchFunc func, gpointer user_data)
1078 mono_install_assembly_search_hook_internal (func, user_data, FALSE, FALSE);
1082 free_assembly_search_hooks (void)
1084 AssemblySearchHook *hook, *next;
1086 for (hook = assembly_search_hook; hook; hook = next) {
1093 mono_install_assembly_refonly_search_hook (MonoAssemblySearchFunc func, gpointer user_data)
1095 mono_install_assembly_search_hook_internal (func, user_data, TRUE, FALSE);
1099 mono_install_assembly_postload_search_hook (MonoAssemblySearchFunc func, gpointer user_data)
1101 mono_install_assembly_search_hook_internal (func, user_data, FALSE, TRUE);
1105 mono_install_assembly_postload_refonly_search_hook (MonoAssemblySearchFunc func, gpointer user_data)
1107 mono_install_assembly_search_hook_internal (func, user_data, TRUE, TRUE);
1110 typedef struct AssemblyPreLoadHook AssemblyPreLoadHook;
1111 struct AssemblyPreLoadHook {
1112 AssemblyPreLoadHook *next;
1113 MonoAssemblyPreLoadFunc func;
1117 static AssemblyPreLoadHook *assembly_preload_hook = NULL;
1118 static AssemblyPreLoadHook *assembly_refonly_preload_hook = NULL;
1120 static MonoAssembly *
1121 invoke_assembly_preload_hook (MonoAssemblyName *aname, gchar **assemblies_path)
1123 AssemblyPreLoadHook *hook;
1124 MonoAssembly *assembly;
1126 for (hook = assembly_preload_hook; hook; hook = hook->next) {
1127 assembly = hook->func (aname, assemblies_path, hook->user_data);
1128 if (assembly != NULL)
1135 static MonoAssembly *
1136 invoke_assembly_refonly_preload_hook (MonoAssemblyName *aname, gchar **assemblies_path)
1138 AssemblyPreLoadHook *hook;
1139 MonoAssembly *assembly;
1141 for (hook = assembly_refonly_preload_hook; hook; hook = hook->next) {
1142 assembly = hook->func (aname, assemblies_path, hook->user_data);
1143 if (assembly != NULL)
1151 mono_install_assembly_preload_hook (MonoAssemblyPreLoadFunc func, gpointer user_data)
1153 AssemblyPreLoadHook *hook;
1155 g_return_if_fail (func != NULL);
1157 hook = g_new0 (AssemblyPreLoadHook, 1);
1159 hook->user_data = user_data;
1160 hook->next = assembly_preload_hook;
1161 assembly_preload_hook = hook;
1165 mono_install_assembly_refonly_preload_hook (MonoAssemblyPreLoadFunc func, gpointer user_data)
1167 AssemblyPreLoadHook *hook;
1169 g_return_if_fail (func != NULL);
1171 hook = g_new0 (AssemblyPreLoadHook, 1);
1173 hook->user_data = user_data;
1174 hook->next = assembly_refonly_preload_hook;
1175 assembly_refonly_preload_hook = hook;
1179 free_assembly_preload_hooks (void)
1181 AssemblyPreLoadHook *hook, *next;
1183 for (hook = assembly_preload_hook; hook; hook = next) {
1188 for (hook = assembly_refonly_preload_hook; hook; hook = next) {
1195 absolute_dir (const gchar *filename)
1206 if (g_path_is_absolute (filename)) {
1207 part = g_path_get_dirname (filename);
1208 res = g_strconcat (part, G_DIR_SEPARATOR_S, NULL);
1213 cwd = g_get_current_dir ();
1214 mixed = g_build_filename (cwd, filename, NULL);
1215 parts = g_strsplit (mixed, G_DIR_SEPARATOR_S, 0);
1220 for (i = 0; (part = parts [i]) != NULL; i++) {
1221 if (!strcmp (part, "."))
1224 if (!strcmp (part, "..")) {
1225 if (list && list->next) /* Don't remove root */
1226 list = g_list_delete_link (list, list);
1228 list = g_list_prepend (list, part);
1232 result = g_string_new ("");
1233 list = g_list_reverse (list);
1235 /* Ignores last data pointer, which should be the filename */
1236 for (tmp = list; tmp && tmp->next != NULL; tmp = tmp->next){
1238 g_string_append_printf (result, "%s%c", (char *) tmp->data,
1243 g_string_free (result, FALSE);
1248 return g_strdup (".");
1255 * mono_assembly_open_from_bundle:
1256 * @filename: Filename requested
1257 * @status: return value
1259 * This routine tries to open the assembly specified by `filename' from the
1260 * defined bundles, if found, returns the MonoImage for it, if not found
1264 mono_assembly_open_from_bundle (const char *filename, MonoImageOpenStatus *status, gboolean refonly)
1268 MonoImage *image = NULL;
1271 * we do a very simple search for bundled assemblies: it's not a general
1272 * purpose assembly loading mechanism.
1278 name = g_path_get_basename (filename);
1280 mono_assemblies_lock ();
1281 for (i = 0; !image && bundles [i]; ++i) {
1282 if (strcmp (bundles [i]->name, name) == 0) {
1283 image = mono_image_open_from_data_with_name ((char*)bundles [i]->data, bundles [i]->size, FALSE, status, refonly, name);
1287 mono_assemblies_unlock ();
1290 mono_image_addref (image);
1297 mono_assembly_open_full (const char *filename, MonoImageOpenStatus *status, gboolean refonly)
1301 MonoImageOpenStatus def_status;
1305 g_return_val_if_fail (filename != NULL, NULL);
1308 status = &def_status;
1309 *status = MONO_IMAGE_OK;
1311 if (strncmp (filename, "file://", 7) == 0) {
1312 GError *error = NULL;
1313 gchar *uri = (gchar *) filename;
1317 * MS allows file://c:/... and fails on file://localhost/c:/...
1318 * They also throw an IndexOutOfRangeException if "file://"
1321 uri = g_strdup_printf ("file:///%s", uri + 7);
1324 uri = mono_escape_uri_string (tmpuri);
1325 fname = g_filename_from_uri (uri, NULL, &error);
1328 if (tmpuri != filename)
1331 if (error != NULL) {
1332 g_warning ("%s\n", error->message);
1333 g_error_free (error);
1334 fname = g_strdup (filename);
1337 fname = g_strdup (filename);
1340 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_ASSEMBLY,
1341 "Assembly Loader probing location: '%s'.", fname);
1344 if (!mono_assembly_is_in_gac (fname))
1345 new_fname = mono_make_shadow_copy (fname);
1346 if (new_fname && new_fname != fname) {
1349 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_ASSEMBLY,
1350 "Assembly Loader shadow-copied assembly to: '%s'.", fname);
1355 if (bundles != NULL)
1356 image = mono_assembly_open_from_bundle (fname, status, refonly);
1359 image = mono_image_open_full (fname, status, refonly);
1362 if (*status == MONO_IMAGE_OK)
1363 *status = MONO_IMAGE_ERROR_ERRNO;
1368 if (image->assembly) {
1369 /* Already loaded by another appdomain */
1370 mono_assembly_invoke_load_hook (image->assembly);
1371 mono_image_close (image);
1373 return image->assembly;
1376 ass = mono_assembly_load_from_full (image, fname, status, refonly);
1379 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_ASSEMBLY,
1380 "Assembly Loader loaded assembly from location: '%s'.", filename);
1382 mono_config_for_assembly (ass->image);
1385 /* Clear the reference added by mono_image_open */
1386 mono_image_close (image);
1394 free_item (gpointer val, gpointer user_data)
1400 * mono_assembly_load_friends:
1403 * Load the list of friend assemblies that are allowed to access
1404 * the assembly's internal types and members. They are stored as assembly
1405 * names in custom attributes.
1407 * This is an internal method, we need this because when we load mscorlib
1408 * we do not have the mono_defaults.internals_visible_class loaded yet,
1409 * so we need to load these after we initialize the runtime.
1411 * LOCKING: Acquires the assemblies lock plus the loader lock.
1414 mono_assembly_load_friends (MonoAssembly* ass)
1417 MonoCustomAttrInfo* attrs;
1420 if (ass->friend_assembly_names_inited)
1423 attrs = mono_custom_attrs_from_assembly (ass);
1425 mono_assemblies_lock ();
1426 ass->friend_assembly_names_inited = TRUE;
1427 mono_assemblies_unlock ();
1431 mono_assemblies_lock ();
1432 if (ass->friend_assembly_names_inited) {
1433 mono_assemblies_unlock ();
1436 mono_assemblies_unlock ();
1440 * We build the list outside the assemblies lock, the worse that can happen
1441 * is that we'll need to free the allocated list.
1443 for (i = 0; i < attrs->num_attrs; ++i) {
1444 MonoCustomAttrEntry *attr = &attrs->attrs [i];
1445 MonoAssemblyName *aname;
1448 /* Do some sanity checking */
1449 if (!attr->ctor || attr->ctor->klass != mono_defaults.internals_visible_class)
1451 if (attr->data_size < 4)
1453 data = (const char*)attr->data;
1454 /* 0xFF means null string, see custom attr format */
1455 if (data [0] != 1 || data [1] != 0 || (data [2] & 0xFF) == 0xFF)
1457 slen = mono_metadata_decode_value (data + 2, &data);
1458 aname = g_new0 (MonoAssemblyName, 1);
1459 /*g_print ("friend ass: %s\n", data);*/
1460 if (mono_assembly_name_parse_full (data, aname, TRUE, NULL, NULL)) {
1461 list = g_slist_prepend (list, aname);
1466 mono_custom_attrs_free (attrs);
1468 mono_assemblies_lock ();
1469 if (ass->friend_assembly_names_inited) {
1470 mono_assemblies_unlock ();
1471 g_slist_foreach (list, free_item, NULL);
1472 g_slist_free (list);
1475 ass->friend_assembly_names = list;
1477 /* Because of the double checked locking pattern above */
1478 mono_memory_barrier ();
1479 ass->friend_assembly_names_inited = TRUE;
1480 mono_assemblies_unlock ();
1484 * mono_assembly_open:
1485 * @filename: Opens the assembly pointed out by this name
1486 * @status: where a status code can be returned
1488 * mono_assembly_open opens the PE-image pointed by @filename, and
1489 * loads any external assemblies referenced by it.
1491 * Return: a pointer to the MonoAssembly if @filename contains a valid
1492 * assembly or NULL on error. Details about the error are stored in the
1496 mono_assembly_open (const char *filename, MonoImageOpenStatus *status)
1498 return mono_assembly_open_full (filename, status, FALSE);
1502 mono_assembly_load_from_full (MonoImage *image, const char*fname,
1503 MonoImageOpenStatus *status, gboolean refonly)
1505 MonoAssembly *ass, *ass2;
1508 if (!image->tables [MONO_TABLE_ASSEMBLY].rows) {
1509 /* 'image' doesn't have a manifest -- maybe someone is trying to Assembly.Load a .netmodule */
1510 *status = MONO_IMAGE_IMAGE_INVALID;
1514 #if defined (HOST_WIN32)
1519 tmp_fn = g_strdup (fname);
1520 for (i = strlen (tmp_fn) - 1; i >= 0; i--) {
1521 if (tmp_fn [i] == '/')
1525 base_dir = absolute_dir (tmp_fn);
1529 base_dir = absolute_dir (fname);
1533 * Create assembly struct, and enter it into the assembly cache
1535 ass = g_new0 (MonoAssembly, 1);
1536 ass->basedir = base_dir;
1537 ass->ref_only = refonly;
1540 mono_profiler_assembly_event (ass, MONO_PROFILE_START_LOAD);
1542 mono_assembly_fill_assembly_name (image, &ass->aname);
1544 if (mono_defaults.corlib && strcmp (ass->aname.name, "mscorlib") == 0) {
1545 // MS.NET doesn't support loading other mscorlibs
1548 mono_image_addref (mono_defaults.corlib);
1549 *status = MONO_IMAGE_OK;
1550 return mono_defaults.corlib->assembly;
1553 /* Add a non-temporary reference because of ass->image */
1554 mono_image_addref (image);
1556 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_ASSEMBLY, "Image addref %s %p -> %s %p: %d\n", ass->aname.name, ass, image->name, image, image->ref_count);
1559 * The load hooks might take locks so we can't call them while holding the
1562 if (ass->aname.name) {
1563 ass2 = mono_assembly_invoke_search_hook_internal (&ass->aname, refonly, FALSE);
1567 mono_image_close (image);
1568 *status = MONO_IMAGE_OK;
1573 mono_assemblies_lock ();
1575 if (image->assembly) {
1577 * This means another thread has already loaded the assembly, but not yet
1578 * called the load hooks so the search hook can't find the assembly.
1580 mono_assemblies_unlock ();
1581 ass2 = image->assembly;
1584 mono_image_close (image);
1585 *status = MONO_IMAGE_OK;
1589 image->assembly = ass;
1591 loaded_assemblies = g_list_prepend (loaded_assemblies, ass);
1592 mono_assemblies_unlock ();
1595 if (image->is_module_handle)
1596 mono_image_fixup_vtable (image);
1599 mono_assembly_invoke_load_hook (ass);
1601 mono_profiler_assembly_loaded (ass, MONO_PROFILE_OK);
1607 mono_assembly_load_from (MonoImage *image, const char *fname,
1608 MonoImageOpenStatus *status)
1610 return mono_assembly_load_from_full (image, fname, status, FALSE);
1614 * mono_assembly_name_free:
1615 * @aname: assembly name to free
1617 * Frees the provided assembly name object.
1618 * (it does not frees the object itself, only the name members).
1621 mono_assembly_name_free (MonoAssemblyName *aname)
1626 g_free ((void *) aname->name);
1627 g_free ((void *) aname->culture);
1628 g_free ((void *) aname->hash_value);
1632 parse_public_key (const gchar *key, gchar** pubkey)
1635 gchar header [16], val, *arr;
1636 gint i, j, offset, bitlen, keylen, pkeylen;
1638 keylen = strlen (key) >> 1;
1642 val = g_ascii_xdigit_value (key [0]) << 4;
1643 val |= g_ascii_xdigit_value (key [1]);
1648 val = g_ascii_xdigit_value (key [24]);
1649 val |= g_ascii_xdigit_value (key [25]);
1661 /* We need the first 16 bytes
1662 * to check whether this key is valid or not */
1663 pkeylen = strlen (pkey) >> 1;
1667 for (i = 0, j = 0; i < 16; i++) {
1668 header [i] = g_ascii_xdigit_value (pkey [j++]) << 4;
1669 header [i] |= g_ascii_xdigit_value (pkey [j++]);
1672 if (header [0] != 0x06 || /* PUBLICKEYBLOB (0x06) */
1673 header [1] != 0x02 || /* Version (0x02) */
1674 header [2] != 0x00 || /* Reserved (word) */
1675 header [3] != 0x00 ||
1676 (guint)(read32 (header + 8)) != 0x31415352) /* DWORD magic = RSA1 */
1679 /* Based on this length, we _should_ be able to know if the length is right */
1680 bitlen = read32 (header + 12) >> 3;
1681 if ((bitlen + 16 + 4) != pkeylen)
1684 /* parsing is OK and the public key itself is not requested back */
1688 /* Encode the size of the blob */
1690 if (keylen <= 127) {
1691 arr = g_malloc (keylen + 1);
1692 arr [offset++] = keylen;
1694 arr = g_malloc (keylen + 2);
1695 arr [offset++] = 0x80; /* 10bs */
1696 arr [offset++] = keylen;
1699 for (i = offset, j = 0; i < keylen + offset; i++) {
1700 arr [i] = g_ascii_xdigit_value (key [j++]) << 4;
1701 arr [i] |= g_ascii_xdigit_value (key [j++]);
1710 build_assembly_name (const char *name, const char *version, const char *culture, const char *token, const char *key, guint32 flags, MonoAssemblyName *aname, gboolean save_public_key)
1712 gint major, minor, build, revision;
1715 gchar *pkey, *pkeyptr, *encoded, tok [8];
1717 memset (aname, 0, sizeof (MonoAssemblyName));
1720 version_parts = sscanf (version, "%u.%u.%u.%u", &major, &minor, &build, &revision);
1721 if (version_parts < 2 || version_parts > 4)
1724 /* FIXME: we should set build & revision to -1 (instead of 0)
1725 if these are not set in the version string. That way, later on,
1726 we can still determine if these were specified. */
1727 aname->major = major;
1728 aname->minor = minor;
1729 if (version_parts >= 3)
1730 aname->build = build;
1733 if (version_parts == 4)
1734 aname->revision = revision;
1736 aname->revision = 0;
1739 aname->flags = flags;
1740 aname->name = g_strdup (name);
1743 if (g_ascii_strcasecmp (culture, "neutral") == 0)
1744 aname->culture = g_strdup ("");
1746 aname->culture = g_strdup (culture);
1749 if (token && strncmp (token, "null", 4) != 0) {
1752 /* the constant includes the ending NULL, hence the -1 */
1753 if (strlen (token) != (MONO_PUBLIC_KEY_TOKEN_LENGTH - 1)) {
1754 mono_assembly_name_free (aname);
1757 lower = g_ascii_strdown (token, MONO_PUBLIC_KEY_TOKEN_LENGTH);
1758 g_strlcpy ((char*)aname->public_key_token, lower, MONO_PUBLIC_KEY_TOKEN_LENGTH);
1763 if (strcmp (key, "null") == 0 || !parse_public_key (key, &pkey)) {
1764 mono_assembly_name_free (aname);
1768 len = mono_metadata_decode_blob_size ((const gchar *) pkey, (const gchar **) &pkeyptr);
1769 // We also need to generate the key token
1770 mono_digest_get_public_token ((guchar*) tok, (guint8*) pkeyptr, len);
1771 encoded = encode_public_tok ((guchar*) tok, 8);
1772 g_strlcpy ((gchar*)aname->public_key_token, encoded, MONO_PUBLIC_KEY_TOKEN_LENGTH);
1775 if (save_public_key)
1776 aname->public_key = (guint8*) pkey;
1785 parse_assembly_directory_name (const char *name, const char *dirname, MonoAssemblyName *aname)
1790 parts = g_strsplit (dirname, "_", 3);
1791 if (!parts || !parts[0] || !parts[1] || !parts[2]) {
1796 res = build_assembly_name (name, parts[0], parts[1], parts[2], NULL, 0, aname, FALSE);
1802 mono_assembly_name_parse_full (const char *name, MonoAssemblyName *aname, gboolean save_public_key, gboolean *is_version_defined, gboolean *is_token_defined)
1805 gchar *version = NULL;
1806 gchar *culture = NULL;
1807 gchar *token = NULL;
1809 gchar *retargetable = NULL;
1814 gboolean version_defined;
1815 gboolean token_defined;
1818 if (!is_version_defined)
1819 is_version_defined = &version_defined;
1820 *is_version_defined = FALSE;
1821 if (!is_token_defined)
1822 is_token_defined = &token_defined;
1823 *is_token_defined = FALSE;
1825 parts = tmp = g_strsplit (name, ",", 6);
1826 if (!tmp || !*tmp) {
1831 dllname = g_strstrip (*tmp);
1836 value = g_strstrip (*tmp);
1837 if (!g_ascii_strncasecmp (value, "Version=", 8)) {
1838 *is_version_defined = TRUE;
1839 version = g_strstrip (value + 8);
1840 if (strlen (version) == 0) {
1841 goto cleanup_and_fail;
1847 if (!g_ascii_strncasecmp (value, "Culture=", 8)) {
1848 culture = g_strstrip (value + 8);
1849 if (strlen (culture) == 0) {
1850 goto cleanup_and_fail;
1856 if (!g_ascii_strncasecmp (value, "PublicKeyToken=", 15)) {
1857 *is_token_defined = TRUE;
1858 token = g_strstrip (value + 15);
1859 if (strlen (token) == 0) {
1860 goto cleanup_and_fail;
1866 if (!g_ascii_strncasecmp (value, "PublicKey=", 10)) {
1867 key = g_strstrip (value + 10);
1868 if (strlen (key) == 0) {
1869 goto cleanup_and_fail;
1875 if (!g_ascii_strncasecmp (value, "Retargetable=", 13)) {
1876 retargetable = g_strstrip (value + 13);
1877 if (strlen (retargetable) == 0) {
1878 goto cleanup_and_fail;
1880 if (!g_ascii_strcasecmp (retargetable, "yes")) {
1881 flags |= ASSEMBLYREF_RETARGETABLE_FLAG;
1882 } else if (g_ascii_strcasecmp (retargetable, "no")) {
1883 goto cleanup_and_fail;
1889 if (!g_ascii_strncasecmp (value, "ProcessorArchitecture=", 22)) {
1890 /* this is ignored for now, until we can change MonoAssemblyName */
1899 /* if retargetable flag is set, then we must have a fully qualified name */
1900 if (retargetable != NULL && (version == NULL || culture == NULL || (key == NULL && token == NULL))) {
1901 goto cleanup_and_fail;
1904 res = build_assembly_name (dllname, version, culture, token, key, flags,
1905 aname, save_public_key);
1915 * mono_assembly_name_parse:
1916 * @name: name to parse
1917 * @aname: the destination assembly name
1919 * Parses an assembly qualified type name and assigns the name,
1920 * version, culture and token to the provided assembly name object.
1922 * Returns: true if the name could be parsed.
1925 mono_assembly_name_parse (const char *name, MonoAssemblyName *aname)
1927 return mono_assembly_name_parse_full (name, aname, FALSE, NULL, NULL);
1931 * mono_assembly_name_new:
1932 * @name: name to parse
1934 * Allocate a new MonoAssemblyName and fill its values from the
1937 * Returns: a newly allocated structure or NULL if there was any failure.
1940 mono_assembly_name_new (const char *name)
1942 MonoAssemblyName *aname = g_new0 (MonoAssemblyName, 1);
1943 if (mono_assembly_name_parse (name, aname))
1950 mono_assembly_name_get_name (MonoAssemblyName *aname)
1956 mono_assembly_name_get_culture (MonoAssemblyName *aname)
1958 return aname->culture;
1962 mono_assembly_name_get_pubkeytoken (MonoAssemblyName *aname)
1964 if (aname->public_key_token [0])
1965 return aname->public_key_token;
1970 mono_assembly_name_get_version (MonoAssemblyName *aname, uint16_t *minor, uint16_t *build, uint16_t *revision)
1973 *minor = aname->minor;
1975 *build = aname->build;
1977 *revision = aname->revision;
1978 return aname->major;
1981 static MonoAssembly*
1982 probe_for_partial_name (const char *basepath, const char *fullname, MonoAssemblyName *aname, MonoImageOpenStatus *status)
1984 gchar *fullpath = NULL;
1986 const char* direntry;
1987 MonoAssemblyName gac_aname;
1988 gint major=-1, minor=0, build=0, revision=0;
1989 gboolean exact_version;
1991 dirhandle = g_dir_open (basepath, 0, NULL);
1995 exact_version = (aname->major | aname->minor | aname->build | aname->revision) != 0;
1997 while ((direntry = g_dir_read_name (dirhandle))) {
1998 gboolean match = TRUE;
2000 if(!parse_assembly_directory_name (aname->name, direntry, &gac_aname))
2003 if (aname->culture != NULL && strcmp (aname->culture, gac_aname.culture) != 0)
2006 if (match && strlen ((char*)aname->public_key_token) > 0 &&
2007 !mono_public_tokens_are_equal (aname->public_key_token, gac_aname.public_key_token))
2011 if (exact_version) {
2012 match = (aname->major == gac_aname.major && aname->minor == gac_aname.minor &&
2013 aname->build == gac_aname.build && aname->revision == gac_aname.revision);
2015 else if (gac_aname.major < major)
2017 else if (gac_aname.major == major) {
2018 if (gac_aname.minor < minor)
2020 else if (gac_aname.minor == minor) {
2021 if (gac_aname.build < build)
2023 else if (gac_aname.build == build && gac_aname.revision <= revision)
2030 major = gac_aname.major;
2031 minor = gac_aname.minor;
2032 build = gac_aname.build;
2033 revision = gac_aname.revision;
2035 fullpath = g_build_path (G_DIR_SEPARATOR_S, basepath, direntry, fullname, NULL);
2038 mono_assembly_name_free (&gac_aname);
2041 g_dir_close (dirhandle);
2043 if (fullpath == NULL)
2046 MonoAssembly *res = mono_assembly_open (fullpath, status);
2053 mono_assembly_load_with_partial_name (const char *name, MonoImageOpenStatus *status)
2056 MonoAssemblyName *aname, base_name, maped_aname;
2057 gchar *fullname, *gacpath;
2060 memset (&base_name, 0, sizeof (MonoAssemblyName));
2063 if (!mono_assembly_name_parse (name, aname))
2067 * If no specific version has been requested, make sure we load the
2068 * correct version for system assemblies.
2070 if ((aname->major | aname->minor | aname->build | aname->revision) == 0)
2071 aname = mono_assembly_remap_version (aname, &maped_aname);
2073 res = mono_assembly_loaded (aname);
2075 mono_assembly_name_free (aname);
2079 res = invoke_assembly_preload_hook (aname, assemblies_path);
2081 res->in_gac = FALSE;
2082 mono_assembly_name_free (aname);
2086 fullname = g_strdup_printf ("%s.dll", aname->name);
2088 if (extra_gac_paths) {
2089 paths = extra_gac_paths;
2090 while (!res && *paths) {
2091 gacpath = g_build_path (G_DIR_SEPARATOR_S, *paths, "lib", "mono", "gac", aname->name, NULL);
2092 res = probe_for_partial_name (gacpath, fullname, aname, status);
2101 mono_assembly_name_free (aname);
2105 gacpath = g_build_path (G_DIR_SEPARATOR_S, mono_assembly_getrootdir (), "mono", "gac", aname->name, NULL);
2106 res = probe_for_partial_name (gacpath, fullname, aname, status);
2112 MonoDomain *domain = mono_domain_get ();
2113 MonoReflectionAssembly *refasm = mono_try_assembly_resolve (domain, mono_string_new (domain, name), FALSE);
2115 res = refasm->assembly;
2119 mono_assembly_name_free (aname);
2125 mono_assembly_is_in_gac (const gchar *filename)
2127 const gchar *rootdir;
2131 if (filename == NULL)
2134 for (paths = extra_gac_paths; paths && *paths; paths++) {
2135 if (strstr (*paths, filename) != *paths)
2138 gp = (gchar *) (filename + strlen (*paths));
2139 if (*gp != G_DIR_SEPARATOR)
2142 if (strncmp (gp, "lib", 3))
2145 if (*gp != G_DIR_SEPARATOR)
2148 if (strncmp (gp, "mono", 4))
2151 if (*gp != G_DIR_SEPARATOR)
2154 if (strncmp (gp, "gac", 3))
2157 if (*gp != G_DIR_SEPARATOR)
2163 rootdir = mono_assembly_getrootdir ();
2164 if (strstr (filename, rootdir) != filename)
2167 gp = (gchar *) (filename + strlen (rootdir));
2168 if (*gp != G_DIR_SEPARATOR)
2171 if (strncmp (gp, "mono", 4))
2174 if (*gp != G_DIR_SEPARATOR)
2177 if (strncmp (gp, "gac", 3))
2180 if (*gp != G_DIR_SEPARATOR)
2186 mono_assembly_load_publisher_policy (MonoAssemblyName *aname)
2189 gchar *filename, *pname, *name, *culture, *version, *fullpath, *subpath;
2193 if (strstr (aname->name, ".dll")) {
2194 len = strlen (aname->name) - 4;
2195 name = g_malloc (len);
2196 strncpy (name, aname->name, len);
2198 name = g_strdup (aname->name);
2201 culture = g_utf8_strdown (aname->culture, -1);
2203 culture = g_strdup ("");
2205 pname = g_strdup_printf ("policy.%d.%d.%s", aname->major, aname->minor, name);
2206 version = g_strdup_printf ("0.0.0.0_%s_%s", culture, aname->public_key_token);
2210 filename = g_strconcat (pname, ".dll", NULL);
2211 subpath = g_build_path (G_DIR_SEPARATOR_S, pname, version, filename, NULL);
2217 if (extra_gac_paths) {
2218 paths = extra_gac_paths;
2219 while (!image && *paths) {
2220 fullpath = g_build_path (G_DIR_SEPARATOR_S, *paths,
2221 "lib", "mono", "gac", subpath, NULL);
2222 image = mono_image_open (fullpath, NULL);
2233 fullpath = g_build_path (G_DIR_SEPARATOR_S, mono_assembly_getrootdir (),
2234 "mono", "gac", subpath, NULL);
2235 image = mono_image_open (fullpath, NULL);
2242 static MonoAssemblyName*
2243 mono_assembly_bind_version (MonoAssemblyBindingInfo *info, MonoAssemblyName *aname, MonoAssemblyName *dest_name)
2245 memcpy (dest_name, aname, sizeof (MonoAssemblyName));
2246 dest_name->major = info->new_version.major;
2247 dest_name->minor = info->new_version.minor;
2248 dest_name->build = info->new_version.build;
2249 dest_name->revision = info->new_version.revision;
2254 /* LOCKING: Assumes that we are already locked */
2255 static MonoAssemblyBindingInfo*
2256 search_binding_loaded (MonoAssemblyName *aname)
2260 for (tmp = loaded_assembly_bindings; tmp; tmp = tmp->next) {
2261 MonoAssemblyBindingInfo *info = tmp->data;
2262 if (assembly_binding_maps_name (info, aname))
2269 static inline gboolean
2270 info_compare_versions (AssemblyVersionSet *left, AssemblyVersionSet *right)
2272 if (left->major != right->major || left->minor != right->minor ||
2273 left->build != right->build || left->revision != right->revision)
2279 static inline gboolean
2280 info_versions_equal (MonoAssemblyBindingInfo *left, MonoAssemblyBindingInfo *right)
2282 if (left->has_old_version_bottom != right->has_old_version_bottom)
2285 if (left->has_old_version_top != right->has_old_version_top)
2288 if (left->has_new_version != right->has_new_version)
2291 if (left->has_old_version_bottom && !info_compare_versions (&left->old_version_bottom, &right->old_version_bottom))
2294 if (left->has_old_version_top && !info_compare_versions (&left->old_version_top, &right->old_version_top))
2297 if (left->has_new_version && !info_compare_versions (&left->new_version, &right->new_version))
2303 /* LOCKING: assumes all the necessary locks are held */
2305 assembly_binding_info_parsed (MonoAssemblyBindingInfo *info, void *user_data)
2307 MonoAssemblyBindingInfo *info_copy;
2309 MonoAssemblyBindingInfo *info_tmp;
2310 MonoDomain *domain = (MonoDomain*)user_data;
2315 for (tmp = domain->assembly_bindings; tmp; tmp = tmp->next) {
2316 info_tmp = tmp->data;
2317 if (strcmp (info->name, info_tmp->name) == 0 && info_versions_equal (info, info_tmp))
2321 info_copy = mono_mempool_alloc0 (domain->mp, sizeof (MonoAssemblyBindingInfo));
2322 memcpy (info_copy, info, sizeof (MonoAssemblyBindingInfo));
2324 info_copy->name = mono_mempool_strdup (domain->mp, info->name);
2326 info_copy->culture = mono_mempool_strdup (domain->mp, info->culture);
2328 domain->assembly_bindings = g_slist_append_mempool (domain->mp, domain->assembly_bindings, info_copy);
2331 static inline gboolean
2332 info_major_minor_in_range (MonoAssemblyBindingInfo *info, MonoAssemblyName *aname)
2334 if (!info->has_old_version_bottom)
2337 if (info->old_version_bottom.major > aname->major || info->old_version_bottom.minor > aname->minor)
2340 if (info->has_old_version_top && (info->old_version_top.major < aname->major || info->old_version_top.minor < aname->minor))
2343 /* This is not the nicest way to do it, but it's a by-product of the way parsing is done */
2344 info->major = aname->major;
2345 info->minor = aname->minor;
2350 /* LOCKING: Assumes that we are already locked - both loader and domain locks */
2351 static MonoAssemblyBindingInfo*
2352 get_per_domain_assembly_binding_info (MonoDomain *domain, MonoAssemblyName *aname)
2354 MonoAssemblyBindingInfo *info;
2357 if (!domain->assembly_bindings)
2361 for (list = domain->assembly_bindings; list; list = list->next) {
2363 if (info && !strcmp (aname->name, info->name) && info_major_minor_in_range (info, aname))
2369 if (info->name && info->public_key_token [0] && info->has_old_version_bottom &&
2370 info->has_new_version && assembly_binding_maps_name (info, aname))
2371 info->is_valid = TRUE;
2373 info->is_valid = FALSE;
2379 static MonoAssemblyName*
2380 mono_assembly_apply_binding (MonoAssemblyName *aname, MonoAssemblyName *dest_name)
2382 MonoAssemblyBindingInfo *info, *info2;
2386 if (aname->public_key_token [0] == 0)
2389 domain = mono_domain_get ();
2390 mono_loader_lock ();
2391 info = search_binding_loaded (aname);
2393 mono_domain_lock (domain);
2394 info = get_per_domain_assembly_binding_info (domain, aname);
2395 mono_domain_unlock (domain);
2398 mono_loader_unlock ();
2400 if (!check_policy_versions (info, aname))
2403 mono_assembly_bind_version (info, aname, dest_name);
2407 if (domain && domain->setup && domain->setup->configuration_file) {
2408 mono_domain_lock (domain);
2409 if (!domain->assembly_bindings_parsed) {
2410 gchar *domain_config_file = mono_string_to_utf8 (domain->setup->configuration_file);
2412 mono_config_parse_assembly_bindings (domain_config_file, aname->major, aname->minor, domain, assembly_binding_info_parsed);
2413 domain->assembly_bindings_parsed = TRUE;
2414 g_free (domain_config_file);
2416 mono_domain_unlock (domain);
2418 mono_loader_lock ();
2419 mono_domain_lock (domain);
2420 info = get_per_domain_assembly_binding_info (domain, aname);
2421 mono_domain_unlock (domain);
2422 mono_loader_unlock ();
2426 info = g_new0 (MonoAssemblyBindingInfo, 1);
2427 info->major = aname->major;
2428 info->minor = aname->minor;
2431 if (!info->is_valid) {
2432 ppimage = mono_assembly_load_publisher_policy (aname);
2434 get_publisher_policy_info (ppimage, aname, info);
2435 mono_image_close (ppimage);
2439 /* Define default error value if needed */
2440 if (!info->is_valid) {
2441 info->name = g_strdup (aname->name);
2442 info->culture = g_strdup (aname->culture);
2443 g_strlcpy ((char *)info->public_key_token, (const char *)aname->public_key_token, MONO_PUBLIC_KEY_TOKEN_LENGTH);
2446 mono_loader_lock ();
2447 info2 = search_binding_loaded (aname);
2449 /* This binding was added by another thread
2451 mono_assembly_binding_info_free (info);
2456 loaded_assembly_bindings = g_slist_prepend (loaded_assembly_bindings, info);
2458 mono_loader_unlock ();
2460 if (!info->is_valid || !check_policy_versions (info, aname))
2463 mono_assembly_bind_version (info, aname, dest_name);
2468 * mono_assembly_load_from_gac
2470 * @aname: The assembly name object
2472 static MonoAssembly*
2473 mono_assembly_load_from_gac (MonoAssemblyName *aname, gchar *filename, MonoImageOpenStatus *status, MonoBoolean refonly)
2475 MonoAssembly *result = NULL;
2476 gchar *name, *version, *culture, *fullpath, *subpath;
2481 if (aname->public_key_token [0] == 0) {
2485 if (strstr (aname->name, ".dll")) {
2486 len = strlen (filename) - 4;
2487 name = g_malloc (len);
2488 strncpy (name, aname->name, len);
2490 name = g_strdup (aname->name);
2493 if (aname->culture) {
2494 culture = g_utf8_strdown (aname->culture, -1);
2496 culture = g_strdup ("");
2499 pubtok = g_ascii_strdown ((char*)aname->public_key_token, MONO_PUBLIC_KEY_TOKEN_LENGTH);
2500 version = g_strdup_printf ("%d.%d.%d.%d_%s_%s", aname->major,
2501 aname->minor, aname->build, aname->revision,
2505 subpath = g_build_path (G_DIR_SEPARATOR_S, name, version, filename, NULL);
2510 if (extra_gac_paths) {
2511 paths = extra_gac_paths;
2512 while (!result && *paths) {
2513 fullpath = g_build_path (G_DIR_SEPARATOR_S, *paths, "lib", "mono", "gac", subpath, NULL);
2514 result = mono_assembly_open_full (fullpath, status, refonly);
2521 result->in_gac = TRUE;
2526 fullpath = g_build_path (G_DIR_SEPARATOR_S, mono_assembly_getrootdir (),
2527 "mono", "gac", subpath, NULL);
2528 result = mono_assembly_open_full (fullpath, status, refonly);
2532 result->in_gac = TRUE;
2540 mono_assembly_load_corlib (const MonoRuntimeInfo *runtime, MonoImageOpenStatus *status)
2545 /* g_print ("corlib already loaded\n"); */
2549 #if defined(__native_client__)
2550 if (corlibData != NULL && corlibSize != 0) {
2552 /* First "FALSE" instructs mono not to make a copy. */
2553 /* Second "FALSE" says this is not just a ref. */
2554 MonoImage* image = mono_image_open_from_data_full (corlibData, corlibSize, FALSE, &status, FALSE);
2555 if (image == NULL || status != 0)
2556 g_print("mono_image_open_from_data_full failed: %d\n", status);
2557 corlib = mono_assembly_load_from_full (image, "mscorlib", &status, FALSE);
2558 if (corlib == NULL || status != 0)
2559 g_print ("mono_assembly_load_from_full failed: %d\n", status);
2565 if (assemblies_path) {
2566 corlib = load_in_path ("mscorlib.dll", (const char**)assemblies_path, status, FALSE);
2571 /* Load corlib from mono/<version> */
2573 corlib_file = g_build_filename ("mono", runtime->framework_version, "mscorlib.dll", NULL);
2574 if (assemblies_path) {
2575 corlib = load_in_path (corlib_file, (const char**)assemblies_path, status, FALSE);
2577 g_free (corlib_file);
2581 corlib = load_in_path (corlib_file, default_path, status, FALSE);
2582 g_free (corlib_file);
2588 mono_assembly_load_full_nosearch (MonoAssemblyName *aname,
2589 const char *basedir,
2590 MonoImageOpenStatus *status,
2593 MonoAssembly *result;
2594 char *fullpath, *filename;
2595 MonoAssemblyName maped_aname, maped_name_pp;
2600 aname = mono_assembly_remap_version (aname, &maped_aname);
2602 /* Reflection only assemblies don't get assembly binding */
2604 aname = mono_assembly_apply_binding (aname, &maped_name_pp);
2606 result = mono_assembly_loaded_full (aname, refonly);
2610 result = refonly ? invoke_assembly_refonly_preload_hook (aname, assemblies_path) : invoke_assembly_preload_hook (aname, assemblies_path);
2612 result->in_gac = FALSE;
2616 /* Currently we retrieve the loaded corlib for reflection
2617 * only requests, like a common reflection only assembly
2619 if (strcmp (aname->name, "mscorlib") == 0 || strcmp (aname->name, "mscorlib.dll") == 0) {
2620 return mono_assembly_load_corlib (mono_get_runtime_info (), status);
2623 len = strlen (aname->name);
2624 for (ext_index = 0; ext_index < 2; ext_index ++) {
2625 ext = ext_index == 0 ? ".dll" : ".exe";
2626 if (len > 4 && (!strcmp (aname->name + len - 4, ".dll") || !strcmp (aname->name + len - 4, ".exe"))) {
2627 filename = g_strdup (aname->name);
2628 /* Don't try appending .dll/.exe if it already has one of those extensions */
2631 filename = g_strconcat (aname->name, ext, NULL);
2634 result = mono_assembly_load_from_gac (aname, filename, status, refonly);
2641 fullpath = g_build_filename (basedir, filename, NULL);
2642 result = mono_assembly_open_full (fullpath, status, refonly);
2645 result->in_gac = FALSE;
2651 result = load_in_path (filename, default_path, status, refonly);
2653 result->in_gac = FALSE;
2663 * mono_assembly_load_full:
2664 * @aname: A MonoAssemblyName with the assembly name to load.
2665 * @basedir: A directory to look up the assembly at.
2666 * @status: a pointer to a MonoImageOpenStatus to return the status of the load operation
2667 * @refonly: Whether this assembly is being opened in "reflection-only" mode.
2669 * Loads the assembly referenced by @aname, if the value of @basedir is not NULL, it
2670 * attempts to load the assembly from that directory before probing the standard locations.
2672 * If the assembly is being opened in reflection-only mode (@refonly set to TRUE) then no
2673 * assembly binding takes place.
2675 * Returns: the assembly referenced by @aname loaded or NULL on error. On error the
2676 * value pointed by status is updated with an error code.
2679 mono_assembly_load_full (MonoAssemblyName *aname, const char *basedir, MonoImageOpenStatus *status, gboolean refonly)
2681 MonoAssembly *result = mono_assembly_load_full_nosearch (aname, basedir, status, refonly);
2684 /* Try a postload search hook */
2685 result = mono_assembly_invoke_search_hook_internal (aname, refonly, TRUE);
2690 * mono_assembly_load:
2691 * @aname: A MonoAssemblyName with the assembly name to load.
2692 * @basedir: A directory to look up the assembly at.
2693 * @status: a pointer to a MonoImageOpenStatus to return the status of the load operation
2695 * Loads the assembly referenced by @aname, if the value of @basedir is not NULL, it
2696 * attempts to load the assembly from that directory before probing the standard locations.
2698 * Returns: the assembly referenced by @aname loaded or NULL on error. On error the
2699 * value pointed by status is updated with an error code.
2702 mono_assembly_load (MonoAssemblyName *aname, const char *basedir, MonoImageOpenStatus *status)
2704 return mono_assembly_load_full (aname, basedir, status, FALSE);
2708 mono_assembly_loaded_full (MonoAssemblyName *aname, gboolean refonly)
2711 MonoAssemblyName maped_aname;
2713 aname = mono_assembly_remap_version (aname, &maped_aname);
2715 res = mono_assembly_invoke_search_hook_internal (aname, refonly, FALSE);
2721 * mono_assembly_loaded:
2722 * @aname: an assembly to look for.
2724 * Returns: NULL If the given @aname assembly has not been loaded, or a pointer to
2725 * a MonoAssembly that matches the MonoAssemblyName specified.
2728 mono_assembly_loaded (MonoAssemblyName *aname)
2730 return mono_assembly_loaded_full (aname, FALSE);
2734 * Returns whether mono_assembly_close_finish() must be called as
2735 * well. See comment for mono_image_close_except_pools() for why we
2736 * unload in two steps.
2739 mono_assembly_close_except_image_pools (MonoAssembly *assembly)
2742 g_return_val_if_fail (assembly != NULL, FALSE);
2744 if (assembly == REFERENCE_MISSING)
2747 /* Might be 0 already */
2748 if (InterlockedDecrement (&assembly->ref_count) > 0)
2751 mono_profiler_assembly_event (assembly, MONO_PROFILE_START_UNLOAD);
2753 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_ASSEMBLY, "Unloading assembly %s [%p].", assembly->aname.name, assembly);
2755 mono_debug_close_image (assembly->image);
2757 mono_assemblies_lock ();
2758 loaded_assemblies = g_list_remove (loaded_assemblies, assembly);
2759 mono_assemblies_unlock ();
2761 assembly->image->assembly = NULL;
2763 if (!mono_image_close_except_pools (assembly->image))
2764 assembly->image = NULL;
2766 for (tmp = assembly->friend_assembly_names; tmp; tmp = tmp->next) {
2767 MonoAssemblyName *fname = tmp->data;
2768 mono_assembly_name_free (fname);
2771 g_slist_free (assembly->friend_assembly_names);
2772 g_free (assembly->basedir);
2774 mono_profiler_assembly_event (assembly, MONO_PROFILE_END_UNLOAD);
2780 mono_assembly_close_finish (MonoAssembly *assembly)
2782 g_assert (assembly && assembly != REFERENCE_MISSING);
2784 if (assembly->image)
2785 mono_image_close_finish (assembly->image);
2787 if (assembly->dynamic) {
2788 g_free ((char*)assembly->aname.culture);
2795 * mono_assembly_close:
2796 * @assembly: the assembly to release.
2798 * This method releases a reference to the @assembly. The assembly is
2799 * only released when all the outstanding references to it are released.
2802 mono_assembly_close (MonoAssembly *assembly)
2804 if (mono_assembly_close_except_image_pools (assembly))
2805 mono_assembly_close_finish (assembly);
2809 mono_assembly_load_module (MonoAssembly *assembly, guint32 idx)
2811 return mono_image_load_file_for_image (assembly->image, idx);
2815 mono_assembly_foreach (GFunc func, gpointer user_data)
2820 * We make a copy of the list to avoid calling the callback inside the
2821 * lock, which could lead to deadlocks.
2823 mono_assemblies_lock ();
2824 copy = g_list_copy (loaded_assemblies);
2825 mono_assemblies_unlock ();
2827 g_list_foreach (loaded_assemblies, func, user_data);
2833 * mono_assemblies_cleanup:
2835 * Free all resources used by this module.
2838 mono_assemblies_cleanup (void)
2842 DeleteCriticalSection (&assemblies_mutex);
2844 for (l = loaded_assembly_bindings; l; l = l->next) {
2845 MonoAssemblyBindingInfo *info = l->data;
2847 mono_assembly_binding_info_free (info);
2850 g_slist_free (loaded_assembly_bindings);
2852 free_assembly_load_hooks ();
2853 free_assembly_search_hooks ();
2854 free_assembly_preload_hooks ();
2858 * Holds the assembly of the application, for
2859 * System.Diagnostics.Process::MainModule
2861 static MonoAssembly *main_assembly=NULL;
2864 mono_assembly_set_main (MonoAssembly *assembly)
2866 main_assembly = assembly;
2870 * mono_assembly_get_main:
2872 * Returns: the assembly for the application, the first assembly that is loaded by the VM
2875 mono_assembly_get_main (void)
2877 return (main_assembly);
2881 * mono_assembly_get_image:
2882 * @assembly: The assembly to retrieve the image from
2884 * Returns: the MonoImage associated with this assembly.
2887 mono_assembly_get_image (MonoAssembly *assembly)
2889 return assembly->image;
2893 mono_register_bundled_assemblies (const MonoBundledAssembly **assemblies)
2895 bundles = assemblies;
2898 #define MONO_DECLSEC_FORMAT_10 0x3C
2899 #define MONO_DECLSEC_FORMAT_20 0x2E
2900 #define MONO_DECLSEC_FIELD 0x53
2901 #define MONO_DECLSEC_PROPERTY 0x54
2903 #define SKIP_VISIBILITY_XML_ATTRIBUTE ("\"SkipVerification\"")
2904 #define SKIP_VISIBILITY_ATTRIBUTE_NAME ("System.Security.Permissions.SecurityPermissionAttribute")
2905 #define SKIP_VISIBILITY_ATTRIBUTE_SIZE (sizeof (SKIP_VISIBILITY_ATTRIBUTE_NAME) - 1)
2906 #define SKIP_VISIBILITY_PROPERTY_NAME ("SkipVerification")
2907 #define SKIP_VISIBILITY_PROPERTY_SIZE (sizeof (SKIP_VISIBILITY_PROPERTY_NAME) - 1)
2910 mono_assembly_try_decode_skip_verification_param (const char *p, const char **resp, gboolean *abort_decoding)
2914 case MONO_DECLSEC_PROPERTY:
2916 case MONO_DECLSEC_FIELD:
2918 *abort_decoding = TRUE;
2923 if (*p++ != MONO_TYPE_BOOLEAN) {
2924 *abort_decoding = TRUE;
2928 /* property name length */
2929 len = mono_metadata_decode_value (p, &p);
2931 if (len >= SKIP_VISIBILITY_PROPERTY_SIZE && !memcmp (p, SKIP_VISIBILITY_PROPERTY_NAME, SKIP_VISIBILITY_PROPERTY_SIZE)) {
2942 mono_assembly_try_decode_skip_verification (const char *p, const char *endn)
2944 int i, j, num, len, params_len;
2946 if (*p == MONO_DECLSEC_FORMAT_10) {
2947 gsize read, written;
2948 char *res = g_convert (p, endn - p, "UTF-8", "UTF-16LE", &read, &written, NULL);
2950 gboolean found = strstr (res, SKIP_VISIBILITY_XML_ATTRIBUTE) != NULL;
2956 if (*p++ != MONO_DECLSEC_FORMAT_20)
2959 /* number of encoded permission attributes */
2960 num = mono_metadata_decode_value (p, &p);
2961 for (i = 0; i < num; ++i) {
2962 gboolean is_valid = FALSE;
2963 gboolean abort_decoding = FALSE;
2965 /* attribute name length */
2966 len = mono_metadata_decode_value (p, &p);
2968 /* We don't really need to fully decode the type. Comparing the name is enough */
2969 is_valid = len >= SKIP_VISIBILITY_ATTRIBUTE_SIZE && !memcmp (p, SKIP_VISIBILITY_ATTRIBUTE_NAME, SKIP_VISIBILITY_ATTRIBUTE_SIZE);
2973 /*size of the params table*/
2974 params_len = mono_metadata_decode_value (p, &p);
2976 const char *params_end = p + params_len;
2978 /* number of parameters */
2979 len = mono_metadata_decode_value (p, &p);
2981 for (j = 0; j < len; ++j) {
2982 if (mono_assembly_try_decode_skip_verification_param (p, &p, &abort_decoding))
2998 mono_assembly_has_skip_verification (MonoAssembly *assembly)
3001 guint32 cols [MONO_DECL_SECURITY_SIZE];
3005 if (MONO_SECMAN_FLAG_INIT (assembly->skipverification))
3006 return MONO_SECMAN_FLAG_GET_VALUE (assembly->skipverification);
3008 t = &assembly->image->tables [MONO_TABLE_DECLSECURITY];
3010 for (i = 0; i < t->rows; ++i) {
3011 mono_metadata_decode_row (t, i, cols, MONO_DECL_SECURITY_SIZE);
3012 if ((cols [MONO_DECL_SECURITY_PARENT] & MONO_HAS_DECL_SECURITY_MASK) != MONO_HAS_DECL_SECURITY_ASSEMBLY)
3014 if (cols [MONO_DECL_SECURITY_ACTION] != SECURITY_ACTION_REQMIN)
3017 blob = mono_metadata_blob_heap (assembly->image, cols [MONO_DECL_SECURITY_PERMISSIONSET]);
3018 len = mono_metadata_decode_blob_size (blob, &blob);
3022 if (mono_assembly_try_decode_skip_verification (blob, blob + len)) {
3023 MONO_SECMAN_FLAG_SET_VALUE (assembly->skipverification, TRUE);
3028 MONO_SECMAN_FLAG_SET_VALUE (assembly->skipverification, FALSE);