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.Install", 0},
98 {"System.Data.Linq", 2},
99 {"System.Data.OracleClient", 0},
100 {"System.Data.SqlXml", 0},
101 {"System.Design", 0},
102 {"System.DirectoryServices", 0},
103 {"System.Drawing", 0},
104 {"System.Drawing.Design", 0},
105 {"System.EnterpriseServices", 0},
106 {"System.Management", 0},
107 {"System.Messaging", 0},
108 {"System.Runtime.Remoting", 0},
109 {"System.Runtime.Serialization.Formatters.Soap", 0},
110 {"System.Security", 0},
111 {"System.ServiceProcess", 0},
113 {"System.Web.Abstractions", 2},
114 {"System.Web.Extensions", 2},
115 {"System.Web.Mobile", 0},
116 {"System.Web.Routing", 2},
117 {"System.Web.Services", 0},
118 {"System.Windows.Forms", 0},
124 * keeps track of loaded assemblies
126 static GList *loaded_assemblies = NULL;
127 static MonoAssembly *corlib;
129 /* This protects loaded_assemblies and image->references */
130 #define mono_assemblies_lock() EnterCriticalSection (&assemblies_mutex)
131 #define mono_assemblies_unlock() LeaveCriticalSection (&assemblies_mutex)
132 static CRITICAL_SECTION assemblies_mutex;
134 /* If defined, points to the bundled assembly information */
135 const MonoBundledAssembly **bundles;
137 /* Loaded assembly binding info */
138 static GSList *loaded_assembly_bindings = NULL;
141 mono_assembly_invoke_search_hook_internal (MonoAssemblyName *aname, gboolean refonly, gboolean postload);
143 mono_assembly_is_in_gac (const gchar *filanem);
146 encode_public_tok (const guchar *token, gint32 len)
148 const static gchar allowed [] = { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f' };
152 res = g_malloc (len * 2 + 1);
153 for (i = 0; i < len; i++) {
154 res [i * 2] = allowed [token [i] >> 4];
155 res [i * 2 + 1] = allowed [token [i] & 0xF];
162 * mono_public_tokens_are_equal:
163 * @pubt1: first public key token
164 * @pubt2: second public key token
166 * Compare two public key tokens and return #TRUE is they are equal and #FALSE
170 mono_public_tokens_are_equal (const unsigned char *pubt1, const unsigned char *pubt2)
172 return memcmp (pubt1, pubt2, 16) == 0;
176 check_path_env (void)
179 char **splitted, **dest;
181 path = g_getenv ("MONO_PATH");
185 splitted = g_strsplit (path, G_SEARCHPATH_SEPARATOR_S, 1000);
187 g_strfreev (assemblies_path);
188 assemblies_path = dest = splitted;
196 if (g_getenv ("MONO_DEBUG") == NULL)
199 splitted = assemblies_path;
201 if (**splitted && !g_file_test (*splitted, G_FILE_TEST_IS_DIR))
202 g_warning ("'%s' in MONO_PATH doesn't exist or has wrong permissions.", *splitted);
209 check_extra_gac_path_env (void) {
211 char **splitted, **dest;
213 path = g_getenv ("MONO_GAC_PREFIX");
217 splitted = g_strsplit (path, G_SEARCHPATH_SEPARATOR_S, 1000);
219 g_strfreev (extra_gac_paths);
220 extra_gac_paths = dest = splitted;
228 if (g_getenv ("MONO_DEBUG") == NULL)
232 if (**splitted && !g_file_test (*splitted, G_FILE_TEST_IS_DIR))
233 g_warning ("'%s' in MONO_GAC_PREFIX doesn't exist or has wrong permissions.", *splitted);
240 assembly_binding_maps_name (MonoAssemblyBindingInfo *info, MonoAssemblyName *aname)
242 if (!info || !info->name)
245 if (strcmp (info->name, aname->name))
248 if (info->major != aname->major || info->minor != aname->minor)
251 if ((info->culture != NULL && info->culture [0]) != (aname->culture != NULL && aname->culture [0]))
254 if (info->culture && aname->culture && strcmp (info->culture, aname->culture))
257 if (!mono_public_tokens_are_equal (info->public_key_token, aname->public_key_token))
264 mono_assembly_binding_info_free (MonoAssemblyBindingInfo *info)
270 g_free (info->culture);
274 get_publisher_policy_info (MonoImage *image, MonoAssemblyName *aname, MonoAssemblyBindingInfo *binding_info)
277 guint32 cols [MONO_MANIFEST_SIZE];
278 const gchar *filename;
279 gchar *subpath, *fullpath;
281 t = &image->tables [MONO_TABLE_MANIFESTRESOURCE];
282 /* MS Impl. accepts policy assemblies with more than
283 * one manifest resource, and only takes the first one */
285 binding_info->is_valid = FALSE;
289 mono_metadata_decode_row (t, 0, cols, MONO_MANIFEST_SIZE);
290 if ((cols [MONO_MANIFEST_IMPLEMENTATION] & MONO_IMPLEMENTATION_MASK) != MONO_IMPLEMENTATION_FILE) {
291 binding_info->is_valid = FALSE;
295 filename = mono_metadata_string_heap (image, cols [MONO_MANIFEST_NAME]);
296 g_assert (filename != NULL);
298 subpath = g_path_get_dirname (image->name);
299 fullpath = g_build_path (G_DIR_SEPARATOR_S, subpath, filename, NULL);
300 mono_config_parse_publisher_policy (fullpath, binding_info);
304 /* Define the optional elements/attributes before checking */
305 if (!binding_info->culture)
306 binding_info->culture = g_strdup ("");
308 /* Check that the most important elements/attributes exist */
309 if (!binding_info->name || !binding_info->public_key_token [0] || !binding_info->has_old_version_bottom ||
310 !binding_info->has_new_version || !assembly_binding_maps_name (binding_info, aname)) {
311 mono_assembly_binding_info_free (binding_info);
312 binding_info->is_valid = FALSE;
316 binding_info->is_valid = TRUE;
320 compare_versions (AssemblyVersionSet *v, MonoAssemblyName *aname)
322 if (v->major > aname->major)
324 else if (v->major < aname->major)
327 if (v->minor > aname->minor)
329 else if (v->minor < aname->minor)
332 if (v->build > aname->build)
334 else if (v->build < aname->build)
337 if (v->revision > aname->revision)
339 else if (v->revision < aname->revision)
346 check_policy_versions (MonoAssemblyBindingInfo *info, MonoAssemblyName *name)
351 /* If has_old_version_top doesn't exist, we don't have an interval */
352 if (!info->has_old_version_top) {
353 if (compare_versions (&info->old_version_bottom, name) == 0)
359 /* Check that the version defined by name is valid for the interval */
360 if (compare_versions (&info->old_version_top, name) < 0)
363 /* We should be greater or equal than the small version */
364 if (compare_versions (&info->old_version_bottom, name) > 0)
371 * mono_assembly_names_equal:
373 * @r: second assembly.
375 * Compares two MonoAssemblyNames and returns whether they are equal.
377 * This compares the names, the cultures, the release version and their
380 * Returns: TRUE if both assembly names are equal.
383 mono_assembly_names_equal (MonoAssemblyName *l, MonoAssemblyName *r)
385 if (!l->name || !r->name)
388 if (strcmp (l->name, r->name))
391 if (l->culture && r->culture && strcmp (l->culture, r->culture))
394 if (l->major != r->major || l->minor != r->minor ||
395 l->build != r->build || l->revision != r->revision)
396 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)))
399 if (!l->public_key_token [0] || !r->public_key_token [0])
402 if (!mono_public_tokens_are_equal (l->public_key_token, r->public_key_token))
408 static MonoAssembly *
409 load_in_path (const char *basename, const char** search_path, MonoImageOpenStatus *status, MonoBoolean refonly)
413 MonoAssembly *result;
415 for (i = 0; search_path [i]; ++i) {
416 fullpath = g_build_filename (search_path [i], basename, NULL);
417 result = mono_assembly_open_full (fullpath, status, refonly);
426 * mono_assembly_setrootdir:
427 * @root_dir: The pathname of the root directory where we will locate assemblies
429 * This routine sets the internal default root directory for looking up
432 * This is used by Windows installations to compute dynamically the
433 * place where the Mono assemblies are located.
437 mono_assembly_setrootdir (const char *root_dir)
440 * Override the MONO_ASSEMBLIES directory configured at compile time.
442 /* Leak if called more than once */
443 default_path [0] = g_strdup (root_dir);
447 * mono_assembly_getrootdir:
449 * Obtains the root directory used for looking up assemblies.
451 * Returns: a string with the directory, this string should not be freed.
453 G_CONST_RETURN gchar *
454 mono_assembly_getrootdir (void)
456 return default_path [0];
461 * @assembly_dir: the base directory for assemblies
462 * @config_dir: the base directory for configuration files
464 * This routine is used internally and by developers embedding
465 * the runtime into their own applications.
467 * There are a number of cases to consider: Mono as a system-installed
468 * package that is available on the location preconfigured or Mono in
469 * a relocated location.
471 * If you are using a system-installed Mono, you can pass NULL
472 * to both parameters. If you are not, you should compute both
473 * directory values and call this routine.
475 * The values for a given PREFIX are:
477 * assembly_dir: PREFIX/lib
478 * config_dir: PREFIX/etc
480 * Notice that embedders that use Mono in a relocated way must
481 * compute the location at runtime, as they will be in control
482 * of where Mono is installed.
485 mono_set_dirs (const char *assembly_dir, const char *config_dir)
487 #if defined (MONO_ASSEMBLIES)
488 if (assembly_dir == NULL)
489 assembly_dir = MONO_ASSEMBLIES;
491 #if defined (MONO_CFG_DIR)
492 if (config_dir == NULL)
493 config_dir = MONO_CFG_DIR;
495 mono_assembly_setrootdir (assembly_dir);
496 mono_set_config_dir (config_dir);
502 compute_base (char *path)
504 char *p = strrchr (path, '/');
508 /* Not a well known Mono executable, we are embedded, cant guess the base */
509 if (strcmp (p, "/mono") && strcmp (p, "/monodis") && strcmp (p, "/mint") && strcmp (p, "/monodiet"))
513 p = strrchr (path, '/');
517 if (strcmp (p, "/bin") != 0)
526 mono_set_dirs (MONO_ASSEMBLIES, MONO_CFG_DIR);
533 char *config, *lib, *mono;
537 * Only /usr prefix is treated specially
539 if (strncmp (exe, MONO_BINDIR, strlen (MONO_BINDIR)) == 0 || (base = compute_base (exe)) == NULL){
544 config = g_build_filename (base, "etc", NULL);
545 lib = g_build_filename (base, "lib", NULL);
546 mono = g_build_filename (lib, "mono/1.0", NULL);
547 if (stat (mono, &buf) == -1)
550 mono_set_dirs (lib, config);
558 #endif /* HOST_WIN32 */
563 * Registers the root directory for the Mono runtime, for Linux and Solaris 10,
564 * this auto-detects the prefix where Mono was installed.
567 mono_set_rootdir (void)
569 #if defined(HOST_WIN32) || (defined(PLATFORM_MACOSX) && !defined(TARGET_ARM))
570 gchar *bindir, *installdir, *root, *name, *config;
573 name = mono_get_module_file_name ((HMODULE) &__ImageBase);
577 * _NSGetExecutablePath may return -1 to indicate buf is not large
578 * enough, but we ignore that case to avoid having to do extra dynamic
579 * allocation for the path and hope that 4096 is enough - this is
580 * ok in the Linux/Solaris case below at least...
584 guint buf_size = sizeof (buf);
586 if (_NSGetExecutablePath (buf, &buf_size) == 0)
587 name = g_strdup (buf);
596 bindir = g_path_get_dirname (name);
597 installdir = g_path_get_dirname (bindir);
598 root = g_build_path (G_DIR_SEPARATOR_S, installdir, "lib", NULL);
600 config = g_build_filename (root, "..", "etc", NULL);
602 mono_set_dirs (root, config);
604 if (g_file_test (root, G_FILE_TEST_EXISTS) && g_file_test (config, G_FILE_TEST_EXISTS))
605 mono_set_dirs (root, config);
615 #elif defined(DISABLE_MONO_AUTODETECTION)
623 s = readlink ("/proc/self/exe", buf, sizeof (buf)-1);
631 /* Solaris 10 style */
632 str = g_strdup_printf ("/proc/%d/path/a.out", getpid ());
633 s = readlink (str, buf, sizeof (buf)-1);
645 * mono_assemblies_init:
647 * Initialize global variables used by this module.
650 mono_assemblies_init (void)
653 * Initialize our internal paths if we have not been initialized yet.
654 * This happens when embedders use Mono.
656 if (mono_assembly_getrootdir () == NULL)
660 check_extra_gac_path_env ();
662 InitializeCriticalSection (&assemblies_mutex);
666 mono_assembly_fill_assembly_name (MonoImage *image, MonoAssemblyName *aname)
668 MonoTableInfo *t = &image->tables [MONO_TABLE_ASSEMBLY];
669 guint32 cols [MONO_ASSEMBLY_SIZE];
674 mono_metadata_decode_row (t, 0, cols, MONO_ASSEMBLY_SIZE);
677 aname->hash_value = NULL;
678 aname->name = mono_metadata_string_heap (image, cols [MONO_ASSEMBLY_NAME]);
679 aname->culture = mono_metadata_string_heap (image, cols [MONO_ASSEMBLY_CULTURE]);
680 aname->flags = cols [MONO_ASSEMBLY_FLAGS];
681 aname->major = cols [MONO_ASSEMBLY_MAJOR_VERSION];
682 aname->minor = cols [MONO_ASSEMBLY_MINOR_VERSION];
683 aname->build = cols [MONO_ASSEMBLY_BUILD_NUMBER];
684 aname->revision = cols [MONO_ASSEMBLY_REV_NUMBER];
685 aname->hash_alg = cols [MONO_ASSEMBLY_HASH_ALG];
686 if (cols [MONO_ASSEMBLY_PUBLIC_KEY]) {
687 guchar* token = g_malloc (8);
692 pkey = mono_metadata_blob_heap (image, cols [MONO_ASSEMBLY_PUBLIC_KEY]);
693 len = mono_metadata_decode_blob_size (pkey, &pkey);
694 aname->public_key = (guchar*)pkey;
696 mono_digest_get_public_token (token, aname->public_key, len);
697 encoded = encode_public_tok (token, 8);
698 g_strlcpy ((char*)aname->public_key_token, encoded, MONO_PUBLIC_KEY_TOKEN_LENGTH);
704 aname->public_key = NULL;
705 memset (aname->public_key_token, 0, MONO_PUBLIC_KEY_TOKEN_LENGTH);
708 if (cols [MONO_ASSEMBLY_PUBLIC_KEY]) {
709 aname->public_key = (guchar*)mono_metadata_blob_heap (image, cols [MONO_ASSEMBLY_PUBLIC_KEY]);
712 aname->public_key = 0;
718 * mono_stringify_assembly_name:
719 * @aname: the assembly name.
721 * Convert @aname into its string format. The returned string is dynamically
722 * allocated and should be freed by the caller.
724 * Returns: a newly allocated string with a string representation of
728 mono_stringify_assembly_name (MonoAssemblyName *aname)
730 return g_strdup_printf (
731 "%s, Version=%d.%d.%d.%d, Culture=%s, PublicKeyToken=%s%s",
733 aname->major, aname->minor, aname->build, aname->revision,
734 aname->culture && *aname->culture? aname->culture: "neutral",
735 aname->public_key_token [0] ? (char *)aname->public_key_token : "null",
736 (aname->flags & ASSEMBLYREF_RETARGETABLE_FLAG) ? ", Retargetable=Yes" : "");
740 assemblyref_public_tok (MonoImage *image, guint32 key_index, guint32 flags)
742 const gchar *public_tok;
745 public_tok = mono_metadata_blob_heap (image, key_index);
746 len = mono_metadata_decode_blob_size (public_tok, &public_tok);
748 if (flags & ASSEMBLYREF_FULL_PUBLIC_KEY_FLAG) {
750 mono_digest_get_public_token (token, (guchar*)public_tok, len);
751 return encode_public_tok (token, 8);
754 return encode_public_tok ((guchar*)public_tok, len);
758 * mono_assembly_addref:
759 * @assemnly: the assembly to reference
761 * This routine increments the reference count on a MonoAssembly.
762 * The reference count is reduced every time the method mono_assembly_close() is
766 mono_assembly_addref (MonoAssembly *assembly)
768 InterlockedIncrement (&assembly->ref_count);
771 static MonoAssemblyName *
772 mono_assembly_remap_version (MonoAssemblyName *aname, MonoAssemblyName *dest_aname)
774 const MonoRuntimeInfo *current_runtime;
775 int pos, first, last;
777 if (aname->name == NULL) return aname;
778 current_runtime = mono_get_runtime_info ();
781 last = G_N_ELEMENTS (framework_assemblies) - 1;
783 while (first <= last) {
785 pos = first + (last - first) / 2;
786 res = strcmp (aname->name, framework_assemblies[pos].assembly_name);
788 const AssemblyVersionSet* vset;
789 int index = framework_assemblies[pos].version_set_index;
790 g_assert (index < G_N_ELEMENTS (current_runtime->version_sets));
791 vset = ¤t_runtime->version_sets [index];
793 if (aname->major == vset->major && aname->minor == vset->minor &&
794 aname->build == vset->build && aname->revision == vset->revision)
797 if ((aname->major | aname->minor | aname->build | aname->revision) != 0)
798 mono_trace (G_LOG_LEVEL_WARNING, MONO_TRACE_ASSEMBLY,
799 "The request to load the assembly %s v%d.%d.%d.%d was remapped to v%d.%d.%d.%d",
801 aname->major, aname->minor, aname->build, aname->revision,
802 vset->major, vset->minor, vset->build, vset->revision
805 memcpy (dest_aname, aname, sizeof(MonoAssemblyName));
806 dest_aname->major = vset->major;
807 dest_aname->minor = vset->minor;
808 dest_aname->build = vset->build;
809 dest_aname->revision = vset->revision;
811 } else if (res < 0) {
821 * mono_assembly_get_assemblyref:
823 * Fill out ANAME with the assembly name of the INDEXth assembly reference in IMAGE.
826 mono_assembly_get_assemblyref (MonoImage *image, int index, MonoAssemblyName *aname)
829 guint32 cols [MONO_ASSEMBLYREF_SIZE];
832 t = &image->tables [MONO_TABLE_ASSEMBLYREF];
834 mono_metadata_decode_row (t, index, cols, MONO_ASSEMBLYREF_SIZE);
836 hash = mono_metadata_blob_heap (image, cols [MONO_ASSEMBLYREF_HASH_VALUE]);
837 aname->hash_len = mono_metadata_decode_blob_size (hash, &hash);
838 aname->hash_value = hash;
839 aname->name = mono_metadata_string_heap (image, cols [MONO_ASSEMBLYREF_NAME]);
840 aname->culture = mono_metadata_string_heap (image, cols [MONO_ASSEMBLYREF_CULTURE]);
841 aname->flags = cols [MONO_ASSEMBLYREF_FLAGS];
842 aname->major = cols [MONO_ASSEMBLYREF_MAJOR_VERSION];
843 aname->minor = cols [MONO_ASSEMBLYREF_MINOR_VERSION];
844 aname->build = cols [MONO_ASSEMBLYREF_BUILD_NUMBER];
845 aname->revision = cols [MONO_ASSEMBLYREF_REV_NUMBER];
847 if (cols [MONO_ASSEMBLYREF_PUBLIC_KEY]) {
848 gchar *token = assemblyref_public_tok (image, cols [MONO_ASSEMBLYREF_PUBLIC_KEY], aname->flags);
849 g_strlcpy ((char*)aname->public_key_token, token, MONO_PUBLIC_KEY_TOKEN_LENGTH);
852 memset (aname->public_key_token, 0, MONO_PUBLIC_KEY_TOKEN_LENGTH);
857 mono_assembly_load_reference (MonoImage *image, int index)
859 MonoAssembly *reference;
860 MonoAssemblyName aname;
861 MonoImageOpenStatus status;
864 * image->references is shared between threads, so we need to access
865 * it inside a critical section.
867 mono_assemblies_lock ();
868 if (!image->references) {
869 MonoTableInfo *t = &image->tables [MONO_TABLE_ASSEMBLYREF];
871 image->references = g_new0 (MonoAssembly *, t->rows + 1);
873 reference = image->references [index];
874 mono_assemblies_unlock ();
878 mono_assembly_get_assemblyref (image, index, &aname);
880 if (image->assembly && image->assembly->ref_only) {
881 /* We use the loaded corlib */
882 if (!strcmp (aname.name, "mscorlib"))
883 reference = mono_assembly_load_full (&aname, image->assembly->basedir, &status, FALSE);
885 reference = mono_assembly_loaded_full (&aname, TRUE);
887 /* Try a postload search hook */
888 reference = mono_assembly_invoke_search_hook_internal (&aname, TRUE, TRUE);
892 * Here we must advice that the error was due to
893 * a non loaded reference using the ReflectionOnly api
896 reference = REFERENCE_MISSING;
898 reference = mono_assembly_load (&aname, image->assembly? image->assembly->basedir: NULL, &status);
900 if (reference == NULL){
903 if (status == MONO_IMAGE_ERROR_ERRNO && errno == ENOENT) {
904 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 : "" );
905 } else if (status == MONO_IMAGE_ERROR_ERRNO) {
906 extra_msg = g_strdup_printf ("System error: %s\n", strerror (errno));
907 } else if (status == MONO_IMAGE_MISSING_ASSEMBLYREF) {
908 extra_msg = g_strdup ("Cannot find an assembly referenced from this one.\n");
909 } else if (status == MONO_IMAGE_IMAGE_INVALID) {
910 extra_msg = g_strdup ("The file exists but is not a valid assembly.\n");
912 extra_msg = g_strdup ("");
915 g_warning ("The following assembly referenced from %s could not be loaded:\n"
916 " Assembly: %s (assemblyref_index=%d)\n"
917 " Version: %d.%d.%d.%d\n"
918 " Public Key: %s\n%s",
919 image->name, aname.name, index,
920 aname.major, aname.minor, aname.build, aname.revision,
921 strlen ((char*)aname.public_key_token) == 0 ? "(none)" : (char*)aname.public_key_token, extra_msg);
925 mono_assemblies_lock ();
926 if (reference == NULL) {
927 /* Flag as not found */
928 reference = REFERENCE_MISSING;
931 if (!image->references [index]) {
932 if (reference != REFERENCE_MISSING){
933 mono_assembly_addref (reference);
935 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_ASSEMBLY, "Assembly Ref addref %s %p -> %s %p: %d\n",
936 image->assembly->aname.name, image->assembly, reference->aname.name, reference, reference->ref_count);
939 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_ASSEMBLY, "Failed to load assembly %s %p\n",
940 image->assembly->aname.name, image->assembly);
943 image->references [index] = reference;
945 mono_assemblies_unlock ();
947 if (image->references [index] != reference) {
948 /* Somebody loaded it before us */
949 mono_assembly_close (reference);
954 mono_assembly_load_references (MonoImage *image, MonoImageOpenStatus *status)
956 /* This is a no-op now but it is part of the embedding API so we can't remove it */
957 *status = MONO_IMAGE_OK;
960 typedef struct AssemblyLoadHook AssemblyLoadHook;
961 struct AssemblyLoadHook {
962 AssemblyLoadHook *next;
963 MonoAssemblyLoadFunc func;
967 AssemblyLoadHook *assembly_load_hook = NULL;
970 mono_assembly_invoke_load_hook (MonoAssembly *ass)
972 AssemblyLoadHook *hook;
974 for (hook = assembly_load_hook; hook; hook = hook->next) {
975 hook->func (ass, hook->user_data);
980 mono_install_assembly_load_hook (MonoAssemblyLoadFunc func, gpointer user_data)
982 AssemblyLoadHook *hook;
984 g_return_if_fail (func != NULL);
986 hook = g_new0 (AssemblyLoadHook, 1);
988 hook->user_data = user_data;
989 hook->next = assembly_load_hook;
990 assembly_load_hook = hook;
994 free_assembly_load_hooks (void)
996 AssemblyLoadHook *hook, *next;
998 for (hook = assembly_load_hook; hook; hook = next) {
1004 typedef struct AssemblySearchHook AssemblySearchHook;
1005 struct AssemblySearchHook {
1006 AssemblySearchHook *next;
1007 MonoAssemblySearchFunc func;
1013 AssemblySearchHook *assembly_search_hook = NULL;
1015 static MonoAssembly*
1016 mono_assembly_invoke_search_hook_internal (MonoAssemblyName *aname, gboolean refonly, gboolean postload)
1018 AssemblySearchHook *hook;
1020 for (hook = assembly_search_hook; hook; hook = hook->next) {
1021 if ((hook->refonly == refonly) && (hook->postload == postload)) {
1022 MonoAssembly *ass = hook->func (aname, hook->user_data);
1032 mono_assembly_invoke_search_hook (MonoAssemblyName *aname)
1034 return mono_assembly_invoke_search_hook_internal (aname, FALSE, FALSE);
1038 mono_install_assembly_search_hook_internal (MonoAssemblySearchFunc func, gpointer user_data, gboolean refonly, gboolean postload)
1040 AssemblySearchHook *hook;
1042 g_return_if_fail (func != NULL);
1044 hook = g_new0 (AssemblySearchHook, 1);
1046 hook->user_data = user_data;
1047 hook->refonly = refonly;
1048 hook->postload = postload;
1049 hook->next = assembly_search_hook;
1050 assembly_search_hook = hook;
1054 mono_install_assembly_search_hook (MonoAssemblySearchFunc func, gpointer user_data)
1056 mono_install_assembly_search_hook_internal (func, user_data, FALSE, FALSE);
1060 free_assembly_search_hooks (void)
1062 AssemblySearchHook *hook, *next;
1064 for (hook = assembly_search_hook; hook; hook = next) {
1071 mono_install_assembly_refonly_search_hook (MonoAssemblySearchFunc func, gpointer user_data)
1073 mono_install_assembly_search_hook_internal (func, user_data, TRUE, FALSE);
1077 mono_install_assembly_postload_search_hook (MonoAssemblySearchFunc func, gpointer user_data)
1079 mono_install_assembly_search_hook_internal (func, user_data, FALSE, TRUE);
1083 mono_install_assembly_postload_refonly_search_hook (MonoAssemblySearchFunc func, gpointer user_data)
1085 mono_install_assembly_search_hook_internal (func, user_data, TRUE, TRUE);
1088 typedef struct AssemblyPreLoadHook AssemblyPreLoadHook;
1089 struct AssemblyPreLoadHook {
1090 AssemblyPreLoadHook *next;
1091 MonoAssemblyPreLoadFunc func;
1095 static AssemblyPreLoadHook *assembly_preload_hook = NULL;
1096 static AssemblyPreLoadHook *assembly_refonly_preload_hook = NULL;
1098 static MonoAssembly *
1099 invoke_assembly_preload_hook (MonoAssemblyName *aname, gchar **assemblies_path)
1101 AssemblyPreLoadHook *hook;
1102 MonoAssembly *assembly;
1104 for (hook = assembly_preload_hook; hook; hook = hook->next) {
1105 assembly = hook->func (aname, assemblies_path, hook->user_data);
1106 if (assembly != NULL)
1113 static MonoAssembly *
1114 invoke_assembly_refonly_preload_hook (MonoAssemblyName *aname, gchar **assemblies_path)
1116 AssemblyPreLoadHook *hook;
1117 MonoAssembly *assembly;
1119 for (hook = assembly_refonly_preload_hook; hook; hook = hook->next) {
1120 assembly = hook->func (aname, assemblies_path, hook->user_data);
1121 if (assembly != NULL)
1129 mono_install_assembly_preload_hook (MonoAssemblyPreLoadFunc func, gpointer user_data)
1131 AssemblyPreLoadHook *hook;
1133 g_return_if_fail (func != NULL);
1135 hook = g_new0 (AssemblyPreLoadHook, 1);
1137 hook->user_data = user_data;
1138 hook->next = assembly_preload_hook;
1139 assembly_preload_hook = hook;
1143 mono_install_assembly_refonly_preload_hook (MonoAssemblyPreLoadFunc func, gpointer user_data)
1145 AssemblyPreLoadHook *hook;
1147 g_return_if_fail (func != NULL);
1149 hook = g_new0 (AssemblyPreLoadHook, 1);
1151 hook->user_data = user_data;
1152 hook->next = assembly_refonly_preload_hook;
1153 assembly_refonly_preload_hook = hook;
1157 free_assembly_preload_hooks (void)
1159 AssemblyPreLoadHook *hook, *next;
1161 for (hook = assembly_preload_hook; hook; hook = next) {
1166 for (hook = assembly_refonly_preload_hook; hook; hook = next) {
1173 absolute_dir (const gchar *filename)
1184 if (g_path_is_absolute (filename)) {
1185 part = g_path_get_dirname (filename);
1186 res = g_strconcat (part, G_DIR_SEPARATOR_S, NULL);
1191 cwd = g_get_current_dir ();
1192 mixed = g_build_filename (cwd, filename, NULL);
1193 parts = g_strsplit (mixed, G_DIR_SEPARATOR_S, 0);
1198 for (i = 0; (part = parts [i]) != NULL; i++) {
1199 if (!strcmp (part, "."))
1202 if (!strcmp (part, "..")) {
1203 if (list && list->next) /* Don't remove root */
1204 list = g_list_delete_link (list, list);
1206 list = g_list_prepend (list, part);
1210 result = g_string_new ("");
1211 list = g_list_reverse (list);
1213 /* Ignores last data pointer, which should be the filename */
1214 for (tmp = list; tmp && tmp->next != NULL; tmp = tmp->next){
1216 g_string_append_printf (result, "%s%c", (char *) tmp->data,
1221 g_string_free (result, FALSE);
1226 return g_strdup (".");
1233 * mono_assembly_open_from_bundle:
1234 * @filename: Filename requested
1235 * @status: return value
1237 * This routine tries to open the assembly specified by `filename' from the
1238 * defined bundles, if found, returns the MonoImage for it, if not found
1242 mono_assembly_open_from_bundle (const char *filename, MonoImageOpenStatus *status, gboolean refonly)
1246 MonoImage *image = NULL;
1249 * we do a very simple search for bundled assemblies: it's not a general
1250 * purpose assembly loading mechanism.
1256 name = g_path_get_basename (filename);
1258 mono_assemblies_lock ();
1259 for (i = 0; !image && bundles [i]; ++i) {
1260 if (strcmp (bundles [i]->name, name) == 0) {
1261 image = mono_image_open_from_data_with_name ((char*)bundles [i]->data, bundles [i]->size, FALSE, status, refonly, name);
1265 mono_assemblies_unlock ();
1268 mono_image_addref (image);
1275 mono_assembly_open_full (const char *filename, MonoImageOpenStatus *status, gboolean refonly)
1279 MonoImageOpenStatus def_status;
1283 g_return_val_if_fail (filename != NULL, NULL);
1286 status = &def_status;
1287 *status = MONO_IMAGE_OK;
1289 if (strncmp (filename, "file://", 7) == 0) {
1290 GError *error = NULL;
1291 gchar *uri = (gchar *) filename;
1295 * MS allows file://c:/... and fails on file://localhost/c:/...
1296 * They also throw an IndexOutOfRangeException if "file://"
1299 uri = g_strdup_printf ("file:///%s", uri + 7);
1302 uri = mono_escape_uri_string (tmpuri);
1303 fname = g_filename_from_uri (uri, NULL, &error);
1306 if (tmpuri != filename)
1309 if (error != NULL) {
1310 g_warning ("%s\n", error->message);
1311 g_error_free (error);
1312 fname = g_strdup (filename);
1315 fname = g_strdup (filename);
1318 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_ASSEMBLY,
1319 "Assembly Loader probing location: '%s'.", fname);
1322 if (!mono_assembly_is_in_gac (fname))
1323 new_fname = mono_make_shadow_copy (fname);
1324 if (new_fname && new_fname != fname) {
1327 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_ASSEMBLY,
1328 "Assembly Loader shadow-copied assembly to: '%s'.", fname);
1333 if (bundles != NULL)
1334 image = mono_assembly_open_from_bundle (fname, status, refonly);
1337 image = mono_image_open_full (fname, status, refonly);
1340 if (*status == MONO_IMAGE_OK)
1341 *status = MONO_IMAGE_ERROR_ERRNO;
1346 if (image->assembly) {
1347 /* Already loaded by another appdomain */
1348 mono_assembly_invoke_load_hook (image->assembly);
1349 mono_image_close (image);
1351 return image->assembly;
1354 ass = mono_assembly_load_from_full (image, fname, status, refonly);
1357 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_ASSEMBLY,
1358 "Assembly Loader loaded assembly from location: '%s'.", filename);
1360 mono_config_for_assembly (ass->image);
1363 /* Clear the reference added by mono_image_open */
1364 mono_image_close (image);
1372 free_item (gpointer val, gpointer user_data)
1378 * mono_assembly_load_friends:
1381 * Load the list of friend assemblies that are allowed to access
1382 * the assembly's internal types and members. They are stored as assembly
1383 * names in custom attributes.
1385 * This is an internal method, we need this because when we load mscorlib
1386 * we do not have the mono_defaults.internals_visible_class loaded yet,
1387 * so we need to load these after we initialize the runtime.
1389 * LOCKING: Acquires the assemblies lock plus the loader lock.
1392 mono_assembly_load_friends (MonoAssembly* ass)
1395 MonoCustomAttrInfo* attrs;
1398 if (ass->friend_assembly_names_inited)
1401 attrs = mono_custom_attrs_from_assembly (ass);
1403 mono_assemblies_lock ();
1404 ass->friend_assembly_names_inited = TRUE;
1405 mono_assemblies_unlock ();
1409 mono_assemblies_lock ();
1410 if (ass->friend_assembly_names_inited) {
1411 mono_assemblies_unlock ();
1414 mono_assemblies_unlock ();
1418 * We build the list outside the assemblies lock, the worse that can happen
1419 * is that we'll need to free the allocated list.
1421 for (i = 0; i < attrs->num_attrs; ++i) {
1422 MonoCustomAttrEntry *attr = &attrs->attrs [i];
1423 MonoAssemblyName *aname;
1426 /* Do some sanity checking */
1427 if (!attr->ctor || attr->ctor->klass != mono_defaults.internals_visible_class)
1429 if (attr->data_size < 4)
1431 data = (const char*)attr->data;
1432 /* 0xFF means null string, see custom attr format */
1433 if (data [0] != 1 || data [1] != 0 || (data [2] & 0xFF) == 0xFF)
1435 slen = mono_metadata_decode_value (data + 2, &data);
1436 aname = g_new0 (MonoAssemblyName, 1);
1437 /*g_print ("friend ass: %s\n", data);*/
1438 if (mono_assembly_name_parse_full (data, aname, TRUE, NULL, NULL)) {
1439 list = g_slist_prepend (list, aname);
1444 mono_custom_attrs_free (attrs);
1446 mono_assemblies_lock ();
1447 if (ass->friend_assembly_names_inited) {
1448 mono_assemblies_unlock ();
1449 g_slist_foreach (list, free_item, NULL);
1450 g_slist_free (list);
1453 ass->friend_assembly_names = list;
1455 /* Because of the double checked locking pattern above */
1456 mono_memory_barrier ();
1457 ass->friend_assembly_names_inited = TRUE;
1458 mono_assemblies_unlock ();
1462 * mono_assembly_open:
1463 * @filename: Opens the assembly pointed out by this name
1464 * @status: where a status code can be returned
1466 * mono_assembly_open opens the PE-image pointed by @filename, and
1467 * loads any external assemblies referenced by it.
1469 * Return: a pointer to the MonoAssembly if @filename contains a valid
1470 * assembly or NULL on error. Details about the error are stored in the
1474 mono_assembly_open (const char *filename, MonoImageOpenStatus *status)
1476 return mono_assembly_open_full (filename, status, FALSE);
1480 mono_assembly_load_from_full (MonoImage *image, const char*fname,
1481 MonoImageOpenStatus *status, gboolean refonly)
1483 MonoAssembly *ass, *ass2;
1486 if (!image->tables [MONO_TABLE_ASSEMBLY].rows) {
1487 /* 'image' doesn't have a manifest -- maybe someone is trying to Assembly.Load a .netmodule */
1488 *status = MONO_IMAGE_IMAGE_INVALID;
1492 #if defined (HOST_WIN32)
1497 tmp_fn = g_strdup (fname);
1498 for (i = strlen (tmp_fn) - 1; i >= 0; i--) {
1499 if (tmp_fn [i] == '/')
1503 base_dir = absolute_dir (tmp_fn);
1507 base_dir = absolute_dir (fname);
1511 * Create assembly struct, and enter it into the assembly cache
1513 ass = g_new0 (MonoAssembly, 1);
1514 ass->basedir = base_dir;
1515 ass->ref_only = refonly;
1518 mono_profiler_assembly_event (ass, MONO_PROFILE_START_LOAD);
1520 mono_assembly_fill_assembly_name (image, &ass->aname);
1522 if (mono_defaults.corlib && strcmp (ass->aname.name, "mscorlib") == 0) {
1523 // MS.NET doesn't support loading other mscorlibs
1526 mono_image_addref (mono_defaults.corlib);
1527 *status = MONO_IMAGE_OK;
1528 return mono_defaults.corlib->assembly;
1531 /* Add a non-temporary reference because of ass->image */
1532 mono_image_addref (image);
1534 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);
1537 * The load hooks might take locks so we can't call them while holding the
1540 if (ass->aname.name) {
1541 ass2 = mono_assembly_invoke_search_hook_internal (&ass->aname, refonly, FALSE);
1545 mono_image_close (image);
1546 *status = MONO_IMAGE_OK;
1551 mono_assemblies_lock ();
1553 if (image->assembly) {
1555 * This means another thread has already loaded the assembly, but not yet
1556 * called the load hooks so the search hook can't find the assembly.
1558 mono_assemblies_unlock ();
1559 ass2 = image->assembly;
1562 mono_image_close (image);
1563 *status = MONO_IMAGE_OK;
1567 image->assembly = ass;
1569 loaded_assemblies = g_list_prepend (loaded_assemblies, ass);
1570 mono_assemblies_unlock ();
1573 if (image->is_module_handle)
1574 mono_image_fixup_vtable (image);
1577 mono_assembly_invoke_load_hook (ass);
1579 mono_profiler_assembly_loaded (ass, MONO_PROFILE_OK);
1585 mono_assembly_load_from (MonoImage *image, const char *fname,
1586 MonoImageOpenStatus *status)
1588 return mono_assembly_load_from_full (image, fname, status, FALSE);
1592 * mono_assembly_name_free:
1593 * @aname: assembly name to free
1595 * Frees the provided assembly name object.
1596 * (it does not frees the object itself, only the name members).
1599 mono_assembly_name_free (MonoAssemblyName *aname)
1604 g_free ((void *) aname->name);
1605 g_free ((void *) aname->culture);
1606 g_free ((void *) aname->hash_value);
1610 parse_public_key (const gchar *key, gchar** pubkey)
1613 gchar header [16], val, *arr;
1614 gint i, j, offset, bitlen, keylen, pkeylen;
1616 keylen = strlen (key) >> 1;
1620 val = g_ascii_xdigit_value (key [0]) << 4;
1621 val |= g_ascii_xdigit_value (key [1]);
1626 val = g_ascii_xdigit_value (key [24]);
1627 val |= g_ascii_xdigit_value (key [25]);
1639 /* We need the first 16 bytes
1640 * to check whether this key is valid or not */
1641 pkeylen = strlen (pkey) >> 1;
1645 for (i = 0, j = 0; i < 16; i++) {
1646 header [i] = g_ascii_xdigit_value (pkey [j++]) << 4;
1647 header [i] |= g_ascii_xdigit_value (pkey [j++]);
1650 if (header [0] != 0x06 || /* PUBLICKEYBLOB (0x06) */
1651 header [1] != 0x02 || /* Version (0x02) */
1652 header [2] != 0x00 || /* Reserved (word) */
1653 header [3] != 0x00 ||
1654 (guint)(read32 (header + 8)) != 0x31415352) /* DWORD magic = RSA1 */
1657 /* Based on this length, we _should_ be able to know if the length is right */
1658 bitlen = read32 (header + 12) >> 3;
1659 if ((bitlen + 16 + 4) != pkeylen)
1662 /* parsing is OK and the public key itself is not requested back */
1666 /* Encode the size of the blob */
1668 if (keylen <= 127) {
1669 arr = g_malloc (keylen + 1);
1670 arr [offset++] = keylen;
1672 arr = g_malloc (keylen + 2);
1673 arr [offset++] = 0x80; /* 10bs */
1674 arr [offset++] = keylen;
1677 for (i = offset, j = 0; i < keylen + offset; i++) {
1678 arr [i] = g_ascii_xdigit_value (key [j++]) << 4;
1679 arr [i] |= g_ascii_xdigit_value (key [j++]);
1688 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)
1690 gint major, minor, build, revision;
1693 gchar *pkey, *pkeyptr, *encoded, tok [8];
1695 memset (aname, 0, sizeof (MonoAssemblyName));
1698 version_parts = sscanf (version, "%u.%u.%u.%u", &major, &minor, &build, &revision);
1699 if (version_parts < 2 || version_parts > 4)
1702 /* FIXME: we should set build & revision to -1 (instead of 0)
1703 if these are not set in the version string. That way, later on,
1704 we can still determine if these were specified. */
1705 aname->major = major;
1706 aname->minor = minor;
1707 if (version_parts >= 3)
1708 aname->build = build;
1711 if (version_parts == 4)
1712 aname->revision = revision;
1714 aname->revision = 0;
1717 aname->flags = flags;
1718 aname->name = g_strdup (name);
1721 if (g_ascii_strcasecmp (culture, "neutral") == 0)
1722 aname->culture = g_strdup ("");
1724 aname->culture = g_strdup (culture);
1727 if (token && strncmp (token, "null", 4) != 0) {
1730 /* the constant includes the ending NULL, hence the -1 */
1731 if (strlen (token) != (MONO_PUBLIC_KEY_TOKEN_LENGTH - 1)) {
1732 mono_assembly_name_free (aname);
1735 lower = g_ascii_strdown (token, MONO_PUBLIC_KEY_TOKEN_LENGTH);
1736 g_strlcpy ((char*)aname->public_key_token, lower, MONO_PUBLIC_KEY_TOKEN_LENGTH);
1741 if (strcmp (key, "null") == 0 || !parse_public_key (key, &pkey)) {
1742 mono_assembly_name_free (aname);
1746 len = mono_metadata_decode_blob_size ((const gchar *) pkey, (const gchar **) &pkeyptr);
1747 // We also need to generate the key token
1748 mono_digest_get_public_token ((guchar*) tok, (guint8*) pkeyptr, len);
1749 encoded = encode_public_tok ((guchar*) tok, 8);
1750 g_strlcpy ((gchar*)aname->public_key_token, encoded, MONO_PUBLIC_KEY_TOKEN_LENGTH);
1753 if (save_public_key)
1754 aname->public_key = (guint8*) pkey;
1763 parse_assembly_directory_name (const char *name, const char *dirname, MonoAssemblyName *aname)
1768 parts = g_strsplit (dirname, "_", 3);
1769 if (!parts || !parts[0] || !parts[1] || !parts[2]) {
1774 res = build_assembly_name (name, parts[0], parts[1], parts[2], NULL, 0, aname, FALSE);
1780 mono_assembly_name_parse_full (const char *name, MonoAssemblyName *aname, gboolean save_public_key, gboolean *is_version_defined, gboolean *is_token_defined)
1783 gchar *version = NULL;
1784 gchar *culture = NULL;
1785 gchar *token = NULL;
1787 gchar *retargetable = NULL;
1792 gboolean version_defined;
1793 gboolean token_defined;
1796 if (!is_version_defined)
1797 is_version_defined = &version_defined;
1798 *is_version_defined = FALSE;
1799 if (!is_token_defined)
1800 is_token_defined = &token_defined;
1801 *is_token_defined = FALSE;
1803 parts = tmp = g_strsplit (name, ",", 6);
1804 if (!tmp || !*tmp) {
1809 dllname = g_strstrip (*tmp);
1814 value = g_strstrip (*tmp);
1815 if (!g_ascii_strncasecmp (value, "Version=", 8)) {
1816 *is_version_defined = TRUE;
1817 version = g_strstrip (value + 8);
1818 if (strlen (version) == 0) {
1819 goto cleanup_and_fail;
1825 if (!g_ascii_strncasecmp (value, "Culture=", 8)) {
1826 culture = g_strstrip (value + 8);
1827 if (strlen (culture) == 0) {
1828 goto cleanup_and_fail;
1834 if (!g_ascii_strncasecmp (value, "PublicKeyToken=", 15)) {
1835 *is_token_defined = TRUE;
1836 token = g_strstrip (value + 15);
1837 if (strlen (token) == 0) {
1838 goto cleanup_and_fail;
1844 if (!g_ascii_strncasecmp (value, "PublicKey=", 10)) {
1845 key = g_strstrip (value + 10);
1846 if (strlen (key) == 0) {
1847 goto cleanup_and_fail;
1853 if (!g_ascii_strncasecmp (value, "Retargetable=", 13)) {
1854 retargetable = g_strstrip (value + 13);
1855 if (strlen (retargetable) == 0) {
1856 goto cleanup_and_fail;
1858 if (!g_ascii_strcasecmp (retargetable, "yes")) {
1859 flags |= ASSEMBLYREF_RETARGETABLE_FLAG;
1860 } else if (g_ascii_strcasecmp (retargetable, "no")) {
1861 goto cleanup_and_fail;
1867 if (!g_ascii_strncasecmp (value, "ProcessorArchitecture=", 22)) {
1868 /* this is ignored for now, until we can change MonoAssemblyName */
1877 /* if retargetable flag is set, then we must have a fully qualified name */
1878 if (retargetable != NULL && (version == NULL || culture == NULL || (key == NULL && token == NULL))) {
1879 goto cleanup_and_fail;
1882 res = build_assembly_name (dllname, version, culture, token, key, flags,
1883 aname, save_public_key);
1893 * mono_assembly_name_parse:
1894 * @name: name to parse
1895 * @aname: the destination assembly name
1897 * Parses an assembly qualified type name and assigns the name,
1898 * version, culture and token to the provided assembly name object.
1900 * Returns: true if the name could be parsed.
1903 mono_assembly_name_parse (const char *name, MonoAssemblyName *aname)
1905 return mono_assembly_name_parse_full (name, aname, FALSE, NULL, NULL);
1909 * mono_assembly_name_new:
1910 * @name: name to parse
1912 * Allocate a new MonoAssemblyName and fill its values from the
1915 * Returns: a newly allocated structure or NULL if there was any failure.
1918 mono_assembly_name_new (const char *name)
1920 MonoAssemblyName *aname = g_new0 (MonoAssemblyName, 1);
1921 if (mono_assembly_name_parse (name, aname))
1928 mono_assembly_name_get_name (MonoAssemblyName *aname)
1934 mono_assembly_name_get_culture (MonoAssemblyName *aname)
1936 return aname->culture;
1940 mono_assembly_name_get_pubkeytoken (MonoAssemblyName *aname)
1942 if (aname->public_key_token [0])
1943 return aname->public_key_token;
1948 mono_assembly_name_get_version (MonoAssemblyName *aname, uint16_t *minor, uint16_t *build, uint16_t *revision)
1951 *minor = aname->minor;
1953 *build = aname->build;
1955 *revision = aname->revision;
1956 return aname->major;
1959 static MonoAssembly*
1960 probe_for_partial_name (const char *basepath, const char *fullname, MonoAssemblyName *aname, MonoImageOpenStatus *status)
1962 gchar *fullpath = NULL;
1964 const char* direntry;
1965 MonoAssemblyName gac_aname;
1966 gint major=-1, minor=0, build=0, revision=0;
1967 gboolean exact_version;
1969 dirhandle = g_dir_open (basepath, 0, NULL);
1973 exact_version = (aname->major | aname->minor | aname->build | aname->revision) != 0;
1975 while ((direntry = g_dir_read_name (dirhandle))) {
1976 gboolean match = TRUE;
1978 if(!parse_assembly_directory_name (aname->name, direntry, &gac_aname))
1981 if (aname->culture != NULL && strcmp (aname->culture, gac_aname.culture) != 0)
1984 if (match && strlen ((char*)aname->public_key_token) > 0 &&
1985 !mono_public_tokens_are_equal (aname->public_key_token, gac_aname.public_key_token))
1989 if (exact_version) {
1990 match = (aname->major == gac_aname.major && aname->minor == gac_aname.minor &&
1991 aname->build == gac_aname.build && aname->revision == gac_aname.revision);
1993 else if (gac_aname.major < major)
1995 else if (gac_aname.major == major) {
1996 if (gac_aname.minor < minor)
1998 else if (gac_aname.minor == minor) {
1999 if (gac_aname.build < build)
2001 else if (gac_aname.build == build && gac_aname.revision <= revision)
2008 major = gac_aname.major;
2009 minor = gac_aname.minor;
2010 build = gac_aname.build;
2011 revision = gac_aname.revision;
2013 fullpath = g_build_path (G_DIR_SEPARATOR_S, basepath, direntry, fullname, NULL);
2016 mono_assembly_name_free (&gac_aname);
2019 g_dir_close (dirhandle);
2021 if (fullpath == NULL)
2024 MonoAssembly *res = mono_assembly_open (fullpath, status);
2031 mono_assembly_load_with_partial_name (const char *name, MonoImageOpenStatus *status)
2034 MonoAssemblyName *aname, base_name, maped_aname;
2035 gchar *fullname, *gacpath;
2038 memset (&base_name, 0, sizeof (MonoAssemblyName));
2041 if (!mono_assembly_name_parse (name, aname))
2045 * If no specific version has been requested, make sure we load the
2046 * correct version for system assemblies.
2048 if ((aname->major | aname->minor | aname->build | aname->revision) == 0)
2049 aname = mono_assembly_remap_version (aname, &maped_aname);
2051 res = mono_assembly_loaded (aname);
2053 mono_assembly_name_free (aname);
2057 res = invoke_assembly_preload_hook (aname, assemblies_path);
2059 res->in_gac = FALSE;
2060 mono_assembly_name_free (aname);
2064 fullname = g_strdup_printf ("%s.dll", aname->name);
2066 if (extra_gac_paths) {
2067 paths = extra_gac_paths;
2068 while (!res && *paths) {
2069 gacpath = g_build_path (G_DIR_SEPARATOR_S, *paths, "lib", "mono", "gac", aname->name, NULL);
2070 res = probe_for_partial_name (gacpath, fullname, aname, status);
2079 mono_assembly_name_free (aname);
2083 gacpath = g_build_path (G_DIR_SEPARATOR_S, mono_assembly_getrootdir (), "mono", "gac", aname->name, NULL);
2084 res = probe_for_partial_name (gacpath, fullname, aname, status);
2090 MonoDomain *domain = mono_domain_get ();
2091 MonoReflectionAssembly *refasm = mono_try_assembly_resolve (domain, mono_string_new (domain, name), FALSE);
2093 res = refasm->assembly;
2097 mono_assembly_name_free (aname);
2103 mono_assembly_is_in_gac (const gchar *filename)
2105 const gchar *rootdir;
2109 if (filename == NULL)
2112 for (paths = extra_gac_paths; paths && *paths; paths++) {
2113 if (strstr (*paths, filename) != *paths)
2116 gp = (gchar *) (filename + strlen (*paths));
2117 if (*gp != G_DIR_SEPARATOR)
2120 if (strncmp (gp, "lib", 3))
2123 if (*gp != G_DIR_SEPARATOR)
2126 if (strncmp (gp, "mono", 4))
2129 if (*gp != G_DIR_SEPARATOR)
2132 if (strncmp (gp, "gac", 3))
2135 if (*gp != G_DIR_SEPARATOR)
2141 rootdir = mono_assembly_getrootdir ();
2142 if (strstr (filename, rootdir) != filename)
2145 gp = (gchar *) (filename + strlen (rootdir));
2146 if (*gp != G_DIR_SEPARATOR)
2149 if (strncmp (gp, "mono", 4))
2152 if (*gp != G_DIR_SEPARATOR)
2155 if (strncmp (gp, "gac", 3))
2158 if (*gp != G_DIR_SEPARATOR)
2164 mono_assembly_load_publisher_policy (MonoAssemblyName *aname)
2167 gchar *filename, *pname, *name, *culture, *version, *fullpath, *subpath;
2171 if (strstr (aname->name, ".dll")) {
2172 len = strlen (aname->name) - 4;
2173 name = g_malloc (len);
2174 strncpy (name, aname->name, len);
2176 name = g_strdup (aname->name);
2179 culture = g_utf8_strdown (aname->culture, -1);
2181 culture = g_strdup ("");
2183 pname = g_strdup_printf ("policy.%d.%d.%s", aname->major, aname->minor, name);
2184 version = g_strdup_printf ("0.0.0.0_%s_%s", culture, aname->public_key_token);
2188 filename = g_strconcat (pname, ".dll", NULL);
2189 subpath = g_build_path (G_DIR_SEPARATOR_S, pname, version, filename, NULL);
2195 if (extra_gac_paths) {
2196 paths = extra_gac_paths;
2197 while (!image && *paths) {
2198 fullpath = g_build_path (G_DIR_SEPARATOR_S, *paths,
2199 "lib", "mono", "gac", subpath, NULL);
2200 image = mono_image_open (fullpath, NULL);
2211 fullpath = g_build_path (G_DIR_SEPARATOR_S, mono_assembly_getrootdir (),
2212 "mono", "gac", subpath, NULL);
2213 image = mono_image_open (fullpath, NULL);
2220 static MonoAssemblyName*
2221 mono_assembly_bind_version (MonoAssemblyBindingInfo *info, MonoAssemblyName *aname, MonoAssemblyName *dest_name)
2223 memcpy (dest_name, aname, sizeof (MonoAssemblyName));
2224 dest_name->major = info->new_version.major;
2225 dest_name->minor = info->new_version.minor;
2226 dest_name->build = info->new_version.build;
2227 dest_name->revision = info->new_version.revision;
2232 /* LOCKING: Assumes that we are already locked */
2233 static MonoAssemblyBindingInfo*
2234 search_binding_loaded (MonoAssemblyName *aname)
2238 for (tmp = loaded_assembly_bindings; tmp; tmp = tmp->next) {
2239 MonoAssemblyBindingInfo *info = tmp->data;
2240 if (assembly_binding_maps_name (info, aname))
2247 static inline gboolean
2248 info_compare_versions (AssemblyVersionSet *left, AssemblyVersionSet *right)
2250 if (left->major != right->major || left->minor != right->minor ||
2251 left->build != right->build || left->revision != right->revision)
2257 static inline gboolean
2258 info_versions_equal (MonoAssemblyBindingInfo *left, MonoAssemblyBindingInfo *right)
2260 if (left->has_old_version_bottom != right->has_old_version_bottom)
2263 if (left->has_old_version_top != right->has_old_version_top)
2266 if (left->has_new_version != right->has_new_version)
2269 if (left->has_old_version_bottom && !info_compare_versions (&left->old_version_bottom, &right->old_version_bottom))
2272 if (left->has_old_version_top && !info_compare_versions (&left->old_version_top, &right->old_version_top))
2275 if (left->has_new_version && !info_compare_versions (&left->new_version, &right->new_version))
2281 /* LOCKING: assumes all the necessary locks are held */
2283 assembly_binding_info_parsed (MonoAssemblyBindingInfo *info, void *user_data)
2285 MonoAssemblyBindingInfo *info_copy;
2287 MonoAssemblyBindingInfo *info_tmp;
2288 MonoDomain *domain = (MonoDomain*)user_data;
2293 for (tmp = domain->assembly_bindings; tmp; tmp = tmp->next) {
2294 info_tmp = tmp->data;
2295 if (strcmp (info->name, info_tmp->name) == 0 && info_versions_equal (info, info_tmp))
2299 info_copy = mono_mempool_alloc0 (domain->mp, sizeof (MonoAssemblyBindingInfo));
2300 memcpy (info_copy, info, sizeof (MonoAssemblyBindingInfo));
2302 info_copy->name = mono_mempool_strdup (domain->mp, info->name);
2304 info_copy->culture = mono_mempool_strdup (domain->mp, info->culture);
2306 domain->assembly_bindings = g_slist_append_mempool (domain->mp, domain->assembly_bindings, info_copy);
2309 static inline gboolean
2310 info_major_minor_in_range (MonoAssemblyBindingInfo *info, MonoAssemblyName *aname)
2312 if (!info->has_old_version_bottom)
2315 if (info->old_version_bottom.major > aname->major || info->old_version_bottom.minor > aname->minor)
2318 if (info->has_old_version_top && (info->old_version_top.major < aname->major || info->old_version_top.minor < aname->minor))
2321 /* This is not the nicest way to do it, but it's a by-product of the way parsing is done */
2322 info->major = aname->major;
2323 info->minor = aname->minor;
2328 /* LOCKING: Assumes that we are already locked - both loader and domain locks */
2329 static MonoAssemblyBindingInfo*
2330 get_per_domain_assembly_binding_info (MonoDomain *domain, MonoAssemblyName *aname)
2332 MonoAssemblyBindingInfo *info;
2335 if (!domain->assembly_bindings)
2339 for (list = domain->assembly_bindings; list; list = list->next) {
2341 if (info && !strcmp (aname->name, info->name) && info_major_minor_in_range (info, aname))
2347 if (info->name && info->public_key_token [0] && info->has_old_version_bottom &&
2348 info->has_new_version && assembly_binding_maps_name (info, aname))
2349 info->is_valid = TRUE;
2351 info->is_valid = FALSE;
2357 static MonoAssemblyName*
2358 mono_assembly_apply_binding (MonoAssemblyName *aname, MonoAssemblyName *dest_name)
2360 MonoAssemblyBindingInfo *info, *info2;
2364 if (aname->public_key_token [0] == 0)
2367 domain = mono_domain_get ();
2368 mono_loader_lock ();
2369 info = search_binding_loaded (aname);
2371 mono_domain_lock (domain);
2372 info = get_per_domain_assembly_binding_info (domain, aname);
2373 mono_domain_unlock (domain);
2376 mono_loader_unlock ();
2378 if (!check_policy_versions (info, aname))
2381 mono_assembly_bind_version (info, aname, dest_name);
2385 if (domain && domain->setup && domain->setup->configuration_file) {
2386 mono_domain_lock (domain);
2387 if (!domain->assembly_bindings_parsed) {
2388 gchar *domain_config_file = mono_string_to_utf8 (domain->setup->configuration_file);
2390 mono_config_parse_assembly_bindings (domain_config_file, aname->major, aname->minor, domain, assembly_binding_info_parsed);
2391 domain->assembly_bindings_parsed = TRUE;
2392 g_free (domain_config_file);
2394 mono_domain_unlock (domain);
2396 mono_loader_lock ();
2397 mono_domain_lock (domain);
2398 info = get_per_domain_assembly_binding_info (domain, aname);
2399 mono_domain_unlock (domain);
2400 mono_loader_unlock ();
2404 info = g_new0 (MonoAssemblyBindingInfo, 1);
2405 info->major = aname->major;
2406 info->minor = aname->minor;
2409 if (!info->is_valid) {
2410 ppimage = mono_assembly_load_publisher_policy (aname);
2412 get_publisher_policy_info (ppimage, aname, info);
2413 mono_image_close (ppimage);
2417 /* Define default error value if needed */
2418 if (!info->is_valid) {
2419 info->name = g_strdup (aname->name);
2420 info->culture = g_strdup (aname->culture);
2421 g_strlcpy ((char *)info->public_key_token, (const char *)aname->public_key_token, MONO_PUBLIC_KEY_TOKEN_LENGTH);
2424 mono_loader_lock ();
2425 info2 = search_binding_loaded (aname);
2427 /* This binding was added by another thread
2429 mono_assembly_binding_info_free (info);
2434 loaded_assembly_bindings = g_slist_prepend (loaded_assembly_bindings, info);
2436 mono_loader_unlock ();
2438 if (!info->is_valid || !check_policy_versions (info, aname))
2441 mono_assembly_bind_version (info, aname, dest_name);
2446 * mono_assembly_load_from_gac
2448 * @aname: The assembly name object
2450 static MonoAssembly*
2451 mono_assembly_load_from_gac (MonoAssemblyName *aname, gchar *filename, MonoImageOpenStatus *status, MonoBoolean refonly)
2453 MonoAssembly *result = NULL;
2454 gchar *name, *version, *culture, *fullpath, *subpath;
2459 if (aname->public_key_token [0] == 0) {
2463 if (strstr (aname->name, ".dll")) {
2464 len = strlen (filename) - 4;
2465 name = g_malloc (len);
2466 strncpy (name, aname->name, len);
2468 name = g_strdup (aname->name);
2471 if (aname->culture) {
2472 culture = g_utf8_strdown (aname->culture, -1);
2474 culture = g_strdup ("");
2477 pubtok = g_ascii_strdown ((char*)aname->public_key_token, MONO_PUBLIC_KEY_TOKEN_LENGTH);
2478 version = g_strdup_printf ("%d.%d.%d.%d_%s_%s", aname->major,
2479 aname->minor, aname->build, aname->revision,
2483 subpath = g_build_path (G_DIR_SEPARATOR_S, name, version, filename, NULL);
2488 if (extra_gac_paths) {
2489 paths = extra_gac_paths;
2490 while (!result && *paths) {
2491 fullpath = g_build_path (G_DIR_SEPARATOR_S, *paths, "lib", "mono", "gac", subpath, NULL);
2492 result = mono_assembly_open_full (fullpath, status, refonly);
2499 result->in_gac = TRUE;
2504 fullpath = g_build_path (G_DIR_SEPARATOR_S, mono_assembly_getrootdir (),
2505 "mono", "gac", subpath, NULL);
2506 result = mono_assembly_open_full (fullpath, status, refonly);
2510 result->in_gac = TRUE;
2519 mono_assembly_load_corlib (const MonoRuntimeInfo *runtime, MonoImageOpenStatus *status)
2524 /* g_print ("corlib already loaded\n"); */
2528 if (assemblies_path) {
2529 corlib = load_in_path ("mscorlib.dll", (const char**)assemblies_path, status, FALSE);
2534 /* Load corlib from mono/<version> */
2536 corlib_file = g_build_filename ("mono", runtime->framework_version, "mscorlib.dll", NULL);
2537 if (assemblies_path) {
2538 corlib = load_in_path (corlib_file, (const char**)assemblies_path, status, FALSE);
2540 g_free (corlib_file);
2544 corlib = load_in_path (corlib_file, default_path, status, FALSE);
2545 g_free (corlib_file);
2551 mono_assembly_load_full_nosearch (MonoAssemblyName *aname,
2552 const char *basedir,
2553 MonoImageOpenStatus *status,
2556 MonoAssembly *result;
2557 char *fullpath, *filename;
2558 MonoAssemblyName maped_aname, maped_name_pp;
2563 aname = mono_assembly_remap_version (aname, &maped_aname);
2565 /* Reflection only assemblies don't get assembly binding */
2567 aname = mono_assembly_apply_binding (aname, &maped_name_pp);
2569 result = mono_assembly_loaded_full (aname, refonly);
2573 result = refonly ? invoke_assembly_refonly_preload_hook (aname, assemblies_path) : invoke_assembly_preload_hook (aname, assemblies_path);
2575 result->in_gac = FALSE;
2579 /* Currently we retrieve the loaded corlib for reflection
2580 * only requests, like a common reflection only assembly
2582 if (strcmp (aname->name, "mscorlib") == 0 || strcmp (aname->name, "mscorlib.dll") == 0) {
2583 return mono_assembly_load_corlib (mono_get_runtime_info (), status);
2586 len = strlen (aname->name);
2587 for (ext_index = 0; ext_index < 2; ext_index ++) {
2588 ext = ext_index == 0 ? ".dll" : ".exe";
2589 if (len > 4 && (!strcmp (aname->name + len - 4, ".dll") || !strcmp (aname->name + len - 4, ".exe"))) {
2590 filename = g_strdup (aname->name);
2591 /* Don't try appending .dll/.exe if it already has one of those extensions */
2594 filename = g_strconcat (aname->name, ext, NULL);
2597 result = mono_assembly_load_from_gac (aname, filename, status, refonly);
2604 fullpath = g_build_filename (basedir, filename, NULL);
2605 result = mono_assembly_open_full (fullpath, status, refonly);
2608 result->in_gac = FALSE;
2614 result = load_in_path (filename, default_path, status, refonly);
2616 result->in_gac = FALSE;
2626 * mono_assembly_load_full:
2627 * @aname: A MonoAssemblyName with the assembly name to load.
2628 * @basedir: A directory to look up the assembly at.
2629 * @status: a pointer to a MonoImageOpenStatus to return the status of the load operation
2630 * @refonly: Whether this assembly is being opened in "reflection-only" mode.
2632 * Loads the assembly referenced by @aname, if the value of @basedir is not NULL, it
2633 * attempts to load the assembly from that directory before probing the standard locations.
2635 * If the assembly is being opened in reflection-only mode (@refonly set to TRUE) then no
2636 * assembly binding takes place.
2638 * Returns: the assembly referenced by @aname loaded or NULL on error. On error the
2639 * value pointed by status is updated with an error code.
2642 mono_assembly_load_full (MonoAssemblyName *aname, const char *basedir, MonoImageOpenStatus *status, gboolean refonly)
2644 MonoAssembly *result = mono_assembly_load_full_nosearch (aname, basedir, status, refonly);
2647 /* Try a postload search hook */
2648 result = mono_assembly_invoke_search_hook_internal (aname, refonly, TRUE);
2653 * mono_assembly_load:
2654 * @aname: A MonoAssemblyName with the assembly name to load.
2655 * @basedir: A directory to look up the assembly at.
2656 * @status: a pointer to a MonoImageOpenStatus to return the status of the load operation
2658 * Loads the assembly referenced by @aname, if the value of @basedir is not NULL, it
2659 * attempts to load the assembly from that directory before probing the standard locations.
2661 * Returns: the assembly referenced by @aname loaded or NULL on error. On error the
2662 * value pointed by status is updated with an error code.
2665 mono_assembly_load (MonoAssemblyName *aname, const char *basedir, MonoImageOpenStatus *status)
2667 return mono_assembly_load_full (aname, basedir, status, FALSE);
2671 mono_assembly_loaded_full (MonoAssemblyName *aname, gboolean refonly)
2674 MonoAssemblyName maped_aname;
2676 aname = mono_assembly_remap_version (aname, &maped_aname);
2678 res = mono_assembly_invoke_search_hook_internal (aname, refonly, FALSE);
2684 * mono_assembly_loaded:
2685 * @aname: an assembly to look for.
2687 * Returns: NULL If the given @aname assembly has not been loaded, or a pointer to
2688 * a MonoAssembly that matches the MonoAssemblyName specified.
2691 mono_assembly_loaded (MonoAssemblyName *aname)
2693 return mono_assembly_loaded_full (aname, FALSE);
2697 * Returns whether mono_assembly_close_finish() must be called as
2698 * well. See comment for mono_image_close_except_pools() for why we
2699 * unload in two steps.
2702 mono_assembly_close_except_image_pools (MonoAssembly *assembly)
2705 g_return_val_if_fail (assembly != NULL, FALSE);
2707 if (assembly == REFERENCE_MISSING)
2710 /* Might be 0 already */
2711 if (InterlockedDecrement (&assembly->ref_count) > 0)
2714 mono_profiler_assembly_event (assembly, MONO_PROFILE_START_UNLOAD);
2716 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_ASSEMBLY, "Unloading assembly %s [%p].", assembly->aname.name, assembly);
2718 mono_debug_close_image (assembly->image);
2720 mono_assemblies_lock ();
2721 loaded_assemblies = g_list_remove (loaded_assemblies, assembly);
2722 mono_assemblies_unlock ();
2724 assembly->image->assembly = NULL;
2726 if (!mono_image_close_except_pools (assembly->image))
2727 assembly->image = NULL;
2729 for (tmp = assembly->friend_assembly_names; tmp; tmp = tmp->next) {
2730 MonoAssemblyName *fname = tmp->data;
2731 mono_assembly_name_free (fname);
2734 g_slist_free (assembly->friend_assembly_names);
2735 g_free (assembly->basedir);
2737 mono_profiler_assembly_event (assembly, MONO_PROFILE_END_UNLOAD);
2743 mono_assembly_close_finish (MonoAssembly *assembly)
2745 g_assert (assembly && assembly != REFERENCE_MISSING);
2747 if (assembly->image)
2748 mono_image_close_finish (assembly->image);
2750 if (assembly->dynamic) {
2751 g_free ((char*)assembly->aname.culture);
2758 * mono_assembly_close:
2759 * @assembly: the assembly to release.
2761 * This method releases a reference to the @assembly. The assembly is
2762 * only released when all the outstanding references to it are released.
2765 mono_assembly_close (MonoAssembly *assembly)
2767 if (mono_assembly_close_except_image_pools (assembly))
2768 mono_assembly_close_finish (assembly);
2772 mono_assembly_load_module (MonoAssembly *assembly, guint32 idx)
2774 return mono_image_load_file_for_image (assembly->image, idx);
2778 mono_assembly_foreach (GFunc func, gpointer user_data)
2783 * We make a copy of the list to avoid calling the callback inside the
2784 * lock, which could lead to deadlocks.
2786 mono_assemblies_lock ();
2787 copy = g_list_copy (loaded_assemblies);
2788 mono_assemblies_unlock ();
2790 g_list_foreach (loaded_assemblies, func, user_data);
2796 * mono_assemblies_cleanup:
2798 * Free all resources used by this module.
2801 mono_assemblies_cleanup (void)
2805 DeleteCriticalSection (&assemblies_mutex);
2807 for (l = loaded_assembly_bindings; l; l = l->next) {
2808 MonoAssemblyBindingInfo *info = l->data;
2810 mono_assembly_binding_info_free (info);
2813 g_slist_free (loaded_assembly_bindings);
2815 free_assembly_load_hooks ();
2816 free_assembly_search_hooks ();
2817 free_assembly_preload_hooks ();
2821 * Holds the assembly of the application, for
2822 * System.Diagnostics.Process::MainModule
2824 static MonoAssembly *main_assembly=NULL;
2827 mono_assembly_set_main (MonoAssembly *assembly)
2829 main_assembly = assembly;
2833 * mono_assembly_get_main:
2835 * Returns: the assembly for the application, the first assembly that is loaded by the VM
2838 mono_assembly_get_main (void)
2840 return (main_assembly);
2844 * mono_assembly_get_image:
2845 * @assembly: The assembly to retrieve the image from
2847 * Returns: the MonoImage associated with this assembly.
2850 mono_assembly_get_image (MonoAssembly *assembly)
2852 return assembly->image;
2856 mono_register_bundled_assemblies (const MonoBundledAssembly **assemblies)
2858 bundles = assemblies;
2861 #define MONO_DECLSEC_FORMAT_10 0x3C
2862 #define MONO_DECLSEC_FORMAT_20 0x2E
2863 #define MONO_DECLSEC_FIELD 0x53
2864 #define MONO_DECLSEC_PROPERTY 0x54
2866 #define SKIP_VISIBILITY_XML_ATTRIBUTE ("\"SkipVerification\"")
2867 #define SKIP_VISIBILITY_ATTRIBUTE_NAME ("System.Security.Permissions.SecurityPermissionAttribute")
2868 #define SKIP_VISIBILITY_ATTRIBUTE_SIZE (sizeof (SKIP_VISIBILITY_ATTRIBUTE_NAME) - 1)
2869 #define SKIP_VISIBILITY_PROPERTY_NAME ("SkipVerification")
2870 #define SKIP_VISIBILITY_PROPERTY_SIZE (sizeof (SKIP_VISIBILITY_PROPERTY_NAME) - 1)
2873 mono_assembly_try_decode_skip_verification_param (const char *p, const char **resp, gboolean *abort_decoding)
2877 case MONO_DECLSEC_PROPERTY:
2879 case MONO_DECLSEC_FIELD:
2881 *abort_decoding = TRUE;
2886 if (*p++ != MONO_TYPE_BOOLEAN) {
2887 *abort_decoding = TRUE;
2891 /* property name length */
2892 len = mono_metadata_decode_value (p, &p);
2894 if (len >= SKIP_VISIBILITY_PROPERTY_SIZE && !memcmp (p, SKIP_VISIBILITY_PROPERTY_NAME, SKIP_VISIBILITY_PROPERTY_SIZE)) {
2905 mono_assembly_try_decode_skip_verification (const char *p, const char *endn)
2907 int i, j, num, len, params_len;
2909 if (*p == MONO_DECLSEC_FORMAT_10) {
2910 gsize read, written;
2911 char *res = g_convert (p, endn - p, "UTF-8", "UTF-16LE", &read, &written, NULL);
2913 gboolean found = strstr (res, SKIP_VISIBILITY_XML_ATTRIBUTE) != NULL;
2919 if (*p++ != MONO_DECLSEC_FORMAT_20)
2922 /* number of encoded permission attributes */
2923 num = mono_metadata_decode_value (p, &p);
2924 for (i = 0; i < num; ++i) {
2925 gboolean is_valid = FALSE;
2926 gboolean abort_decoding = FALSE;
2928 /* attribute name length */
2929 len = mono_metadata_decode_value (p, &p);
2931 /* We don't really need to fully decode the type. Comparing the name is enough */
2932 is_valid = len >= SKIP_VISIBILITY_ATTRIBUTE_SIZE && !memcmp (p, SKIP_VISIBILITY_ATTRIBUTE_NAME, SKIP_VISIBILITY_ATTRIBUTE_SIZE);
2936 /*size of the params table*/
2937 params_len = mono_metadata_decode_value (p, &p);
2939 const char *params_end = p + params_len;
2941 /* number of parameters */
2942 len = mono_metadata_decode_value (p, &p);
2944 for (j = 0; j < len; ++j) {
2945 if (mono_assembly_try_decode_skip_verification_param (p, &p, &abort_decoding))
2961 mono_assembly_has_skip_verification (MonoAssembly *assembly)
2964 guint32 cols [MONO_DECL_SECURITY_SIZE];
2968 if (MONO_SECMAN_FLAG_INIT (assembly->skipverification))
2969 return MONO_SECMAN_FLAG_GET_VALUE (assembly->skipverification);
2971 t = &assembly->image->tables [MONO_TABLE_DECLSECURITY];
2973 for (i = 0; i < t->rows; ++i) {
2974 mono_metadata_decode_row (t, i, cols, MONO_DECL_SECURITY_SIZE);
2975 if ((cols [MONO_DECL_SECURITY_PARENT] & MONO_HAS_DECL_SECURITY_MASK) != MONO_HAS_DECL_SECURITY_ASSEMBLY)
2977 if (cols [MONO_DECL_SECURITY_ACTION] != SECURITY_ACTION_REQMIN)
2980 blob = mono_metadata_blob_heap (assembly->image, cols [MONO_DECL_SECURITY_PERMISSIONSET]);
2981 len = mono_metadata_decode_blob_size (blob, &blob);
2985 if (mono_assembly_try_decode_skip_verification (blob, blob + len)) {
2986 MONO_SECMAN_FLAG_SET_VALUE (assembly->skipverification, TRUE);
2991 MONO_SECMAN_FLAG_SET_VALUE (assembly->skipverification, FALSE);