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 /* This protects loaded_assemblies and image->references */
131 #define mono_assemblies_lock() EnterCriticalSection (&assemblies_mutex)
132 #define mono_assemblies_unlock() LeaveCriticalSection (&assemblies_mutex)
133 static CRITICAL_SECTION assemblies_mutex;
135 /* If defined, points to the bundled assembly information */
136 const MonoBundledAssembly **bundles;
138 /* Loaded assembly binding info */
139 static GSList *loaded_assembly_bindings = NULL;
142 mono_assembly_invoke_search_hook_internal (MonoAssemblyName *aname, gboolean refonly, gboolean postload);
144 mono_assembly_is_in_gac (const gchar *filanem);
147 encode_public_tok (const guchar *token, gint32 len)
149 const static gchar allowed [] = { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f' };
153 res = g_malloc (len * 2 + 1);
154 for (i = 0; i < len; i++) {
155 res [i * 2] = allowed [token [i] >> 4];
156 res [i * 2 + 1] = allowed [token [i] & 0xF];
163 * mono_public_tokens_are_equal:
164 * @pubt1: first public key token
165 * @pubt2: second public key token
167 * Compare two public key tokens and return #TRUE is they are equal and #FALSE
171 mono_public_tokens_are_equal (const unsigned char *pubt1, const unsigned char *pubt2)
173 return memcmp (pubt1, pubt2, 16) == 0;
177 check_path_env (void)
180 char **splitted, **dest;
182 path = g_getenv ("MONO_PATH");
186 splitted = g_strsplit (path, G_SEARCHPATH_SEPARATOR_S, 1000);
188 g_strfreev (assemblies_path);
189 assemblies_path = dest = splitted;
197 if (g_getenv ("MONO_DEBUG") == NULL)
200 splitted = assemblies_path;
202 if (**splitted && !g_file_test (*splitted, G_FILE_TEST_IS_DIR))
203 g_warning ("'%s' in MONO_PATH doesn't exist or has wrong permissions.", *splitted);
210 check_extra_gac_path_env (void) {
212 char **splitted, **dest;
214 path = g_getenv ("MONO_GAC_PREFIX");
218 splitted = g_strsplit (path, G_SEARCHPATH_SEPARATOR_S, 1000);
220 g_strfreev (extra_gac_paths);
221 extra_gac_paths = dest = splitted;
229 if (g_getenv ("MONO_DEBUG") == NULL)
233 if (**splitted && !g_file_test (*splitted, G_FILE_TEST_IS_DIR))
234 g_warning ("'%s' in MONO_GAC_PREFIX doesn't exist or has wrong permissions.", *splitted);
241 assembly_binding_maps_name (MonoAssemblyBindingInfo *info, MonoAssemblyName *aname)
243 if (!info || !info->name)
246 if (strcmp (info->name, aname->name))
249 if (info->major != aname->major || info->minor != aname->minor)
252 if ((info->culture != NULL && info->culture [0]) != (aname->culture != NULL && aname->culture [0]))
255 if (info->culture && aname->culture && strcmp (info->culture, aname->culture))
258 if (!mono_public_tokens_are_equal (info->public_key_token, aname->public_key_token))
265 mono_assembly_binding_info_free (MonoAssemblyBindingInfo *info)
271 g_free (info->culture);
275 get_publisher_policy_info (MonoImage *image, MonoAssemblyName *aname, MonoAssemblyBindingInfo *binding_info)
278 guint32 cols [MONO_MANIFEST_SIZE];
279 const gchar *filename;
280 gchar *subpath, *fullpath;
282 t = &image->tables [MONO_TABLE_MANIFESTRESOURCE];
283 /* MS Impl. accepts policy assemblies with more than
284 * one manifest resource, and only takes the first one */
286 binding_info->is_valid = FALSE;
290 mono_metadata_decode_row (t, 0, cols, MONO_MANIFEST_SIZE);
291 if ((cols [MONO_MANIFEST_IMPLEMENTATION] & MONO_IMPLEMENTATION_MASK) != MONO_IMPLEMENTATION_FILE) {
292 binding_info->is_valid = FALSE;
296 filename = mono_metadata_string_heap (image, cols [MONO_MANIFEST_NAME]);
297 g_assert (filename != NULL);
299 subpath = g_path_get_dirname (image->name);
300 fullpath = g_build_path (G_DIR_SEPARATOR_S, subpath, filename, NULL);
301 mono_config_parse_publisher_policy (fullpath, binding_info);
305 /* Define the optional elements/attributes before checking */
306 if (!binding_info->culture)
307 binding_info->culture = g_strdup ("");
309 /* Check that the most important elements/attributes exist */
310 if (!binding_info->name || !binding_info->public_key_token [0] || !binding_info->has_old_version_bottom ||
311 !binding_info->has_new_version || !assembly_binding_maps_name (binding_info, aname)) {
312 mono_assembly_binding_info_free (binding_info);
313 binding_info->is_valid = FALSE;
317 binding_info->is_valid = TRUE;
321 compare_versions (AssemblyVersionSet *v, MonoAssemblyName *aname)
323 if (v->major > aname->major)
325 else if (v->major < aname->major)
328 if (v->minor > aname->minor)
330 else if (v->minor < aname->minor)
333 if (v->build > aname->build)
335 else if (v->build < aname->build)
338 if (v->revision > aname->revision)
340 else if (v->revision < aname->revision)
347 check_policy_versions (MonoAssemblyBindingInfo *info, MonoAssemblyName *name)
352 /* If has_old_version_top doesn't exist, we don't have an interval */
353 if (!info->has_old_version_top) {
354 if (compare_versions (&info->old_version_bottom, name) == 0)
360 /* Check that the version defined by name is valid for the interval */
361 if (compare_versions (&info->old_version_top, name) < 0)
364 /* We should be greater or equal than the small version */
365 if (compare_versions (&info->old_version_bottom, name) > 0)
372 * mono_assembly_names_equal:
374 * @r: second assembly.
376 * Compares two MonoAssemblyNames and returns whether they are equal.
378 * This compares the names, the cultures, the release version and their
381 * Returns: TRUE if both assembly names are equal.
384 mono_assembly_names_equal (MonoAssemblyName *l, MonoAssemblyName *r)
386 if (!l->name || !r->name)
389 if (strcmp (l->name, r->name))
392 if (l->culture && r->culture && strcmp (l->culture, r->culture))
395 if (l->major != r->major || l->minor != r->minor ||
396 l->build != r->build || l->revision != r->revision)
397 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)))
400 if (!l->public_key_token [0] || !r->public_key_token [0])
403 if (!mono_public_tokens_are_equal (l->public_key_token, r->public_key_token))
409 static MonoAssembly *
410 load_in_path (const char *basename, const char** search_path, MonoImageOpenStatus *status, MonoBoolean refonly)
414 MonoAssembly *result;
416 for (i = 0; search_path [i]; ++i) {
417 fullpath = g_build_filename (search_path [i], basename, NULL);
418 result = mono_assembly_open_full (fullpath, status, refonly);
427 * mono_assembly_setrootdir:
428 * @root_dir: The pathname of the root directory where we will locate assemblies
430 * This routine sets the internal default root directory for looking up
433 * This is used by Windows installations to compute dynamically the
434 * place where the Mono assemblies are located.
438 mono_assembly_setrootdir (const char *root_dir)
441 * Override the MONO_ASSEMBLIES directory configured at compile time.
443 /* Leak if called more than once */
444 default_path [0] = g_strdup (root_dir);
448 * mono_assembly_getrootdir:
450 * Obtains the root directory used for looking up assemblies.
452 * Returns: a string with the directory, this string should not be freed.
454 G_CONST_RETURN gchar *
455 mono_assembly_getrootdir (void)
457 return default_path [0];
462 * @assembly_dir: the base directory for assemblies
463 * @config_dir: the base directory for configuration files
465 * This routine is used internally and by developers embedding
466 * the runtime into their own applications.
468 * There are a number of cases to consider: Mono as a system-installed
469 * package that is available on the location preconfigured or Mono in
470 * a relocated location.
472 * If you are using a system-installed Mono, you can pass NULL
473 * to both parameters. If you are not, you should compute both
474 * directory values and call this routine.
476 * The values for a given PREFIX are:
478 * assembly_dir: PREFIX/lib
479 * config_dir: PREFIX/etc
481 * Notice that embedders that use Mono in a relocated way must
482 * compute the location at runtime, as they will be in control
483 * of where Mono is installed.
486 mono_set_dirs (const char *assembly_dir, const char *config_dir)
488 #if defined (MONO_ASSEMBLIES)
489 if (assembly_dir == NULL)
490 assembly_dir = MONO_ASSEMBLIES;
492 #if defined (MONO_CFG_DIR)
493 if (config_dir == NULL)
494 config_dir = MONO_CFG_DIR;
496 mono_assembly_setrootdir (assembly_dir);
497 mono_set_config_dir (config_dir);
503 compute_base (char *path)
505 char *p = strrchr (path, '/');
509 /* Not a well known Mono executable, we are embedded, cant guess the base */
510 if (strcmp (p, "/mono") && strcmp (p, "/monodis") && strcmp (p, "/mint") && strcmp (p, "/monodiet"))
514 p = strrchr (path, '/');
518 if (strcmp (p, "/bin") != 0)
527 mono_set_dirs (MONO_ASSEMBLIES, MONO_CFG_DIR);
534 char *config, *lib, *mono;
538 * Only /usr prefix is treated specially
540 if (strncmp (exe, MONO_BINDIR, strlen (MONO_BINDIR)) == 0 || (base = compute_base (exe)) == NULL){
545 config = g_build_filename (base, "etc", NULL);
546 lib = g_build_filename (base, "lib", NULL);
547 mono = g_build_filename (lib, "mono/1.0", NULL);
548 if (stat (mono, &buf) == -1)
551 mono_set_dirs (lib, config);
559 #endif /* HOST_WIN32 */
564 * Registers the root directory for the Mono runtime, for Linux and Solaris 10,
565 * this auto-detects the prefix where Mono was installed.
568 mono_set_rootdir (void)
570 #if defined(HOST_WIN32) || (defined(PLATFORM_MACOSX) && !defined(TARGET_ARM))
571 gchar *bindir, *installdir, *root, *name, *config;
574 name = mono_get_module_file_name ((HMODULE) &__ImageBase);
578 * _NSGetExecutablePath may return -1 to indicate buf is not large
579 * enough, but we ignore that case to avoid having to do extra dynamic
580 * allocation for the path and hope that 4096 is enough - this is
581 * ok in the Linux/Solaris case below at least...
585 guint buf_size = sizeof (buf);
587 if (_NSGetExecutablePath (buf, &buf_size) == 0)
588 name = g_strdup (buf);
597 bindir = g_path_get_dirname (name);
598 installdir = g_path_get_dirname (bindir);
599 root = g_build_path (G_DIR_SEPARATOR_S, installdir, "lib", NULL);
601 config = g_build_filename (root, "..", "etc", NULL);
603 mono_set_dirs (root, config);
605 if (g_file_test (root, G_FILE_TEST_EXISTS) && g_file_test (config, G_FILE_TEST_EXISTS))
606 mono_set_dirs (root, config);
616 #elif defined(DISABLE_MONO_AUTODETECTION)
624 s = readlink ("/proc/self/exe", buf, sizeof (buf)-1);
632 /* Solaris 10 style */
633 str = g_strdup_printf ("/proc/%d/path/a.out", getpid ());
634 s = readlink (str, buf, sizeof (buf)-1);
646 * mono_assemblies_init:
648 * Initialize global variables used by this module.
651 mono_assemblies_init (void)
654 * Initialize our internal paths if we have not been initialized yet.
655 * This happens when embedders use Mono.
657 if (mono_assembly_getrootdir () == NULL)
661 check_extra_gac_path_env ();
663 InitializeCriticalSection (&assemblies_mutex);
667 mono_assembly_fill_assembly_name (MonoImage *image, MonoAssemblyName *aname)
669 MonoTableInfo *t = &image->tables [MONO_TABLE_ASSEMBLY];
670 guint32 cols [MONO_ASSEMBLY_SIZE];
675 mono_metadata_decode_row (t, 0, cols, MONO_ASSEMBLY_SIZE);
678 aname->hash_value = NULL;
679 aname->name = mono_metadata_string_heap (image, cols [MONO_ASSEMBLY_NAME]);
680 aname->culture = mono_metadata_string_heap (image, cols [MONO_ASSEMBLY_CULTURE]);
681 aname->flags = cols [MONO_ASSEMBLY_FLAGS];
682 aname->major = cols [MONO_ASSEMBLY_MAJOR_VERSION];
683 aname->minor = cols [MONO_ASSEMBLY_MINOR_VERSION];
684 aname->build = cols [MONO_ASSEMBLY_BUILD_NUMBER];
685 aname->revision = cols [MONO_ASSEMBLY_REV_NUMBER];
686 aname->hash_alg = cols [MONO_ASSEMBLY_HASH_ALG];
687 if (cols [MONO_ASSEMBLY_PUBLIC_KEY]) {
688 guchar* token = g_malloc (8);
693 pkey = mono_metadata_blob_heap (image, cols [MONO_ASSEMBLY_PUBLIC_KEY]);
694 len = mono_metadata_decode_blob_size (pkey, &pkey);
695 aname->public_key = (guchar*)pkey;
697 mono_digest_get_public_token (token, aname->public_key, len);
698 encoded = encode_public_tok (token, 8);
699 g_strlcpy ((char*)aname->public_key_token, encoded, MONO_PUBLIC_KEY_TOKEN_LENGTH);
705 aname->public_key = NULL;
706 memset (aname->public_key_token, 0, MONO_PUBLIC_KEY_TOKEN_LENGTH);
709 if (cols [MONO_ASSEMBLY_PUBLIC_KEY]) {
710 aname->public_key = (guchar*)mono_metadata_blob_heap (image, cols [MONO_ASSEMBLY_PUBLIC_KEY]);
713 aname->public_key = 0;
719 * mono_stringify_assembly_name:
720 * @aname: the assembly name.
722 * Convert @aname into its string format. The returned string is dynamically
723 * allocated and should be freed by the caller.
725 * Returns: a newly allocated string with a string representation of
729 mono_stringify_assembly_name (MonoAssemblyName *aname)
731 return g_strdup_printf (
732 "%s, Version=%d.%d.%d.%d, Culture=%s, PublicKeyToken=%s%s",
734 aname->major, aname->minor, aname->build, aname->revision,
735 aname->culture && *aname->culture? aname->culture: "neutral",
736 aname->public_key_token [0] ? (char *)aname->public_key_token : "null",
737 (aname->flags & ASSEMBLYREF_RETARGETABLE_FLAG) ? ", Retargetable=Yes" : "");
741 assemblyref_public_tok (MonoImage *image, guint32 key_index, guint32 flags)
743 const gchar *public_tok;
746 public_tok = mono_metadata_blob_heap (image, key_index);
747 len = mono_metadata_decode_blob_size (public_tok, &public_tok);
749 if (flags & ASSEMBLYREF_FULL_PUBLIC_KEY_FLAG) {
751 mono_digest_get_public_token (token, (guchar*)public_tok, len);
752 return encode_public_tok (token, 8);
755 return encode_public_tok ((guchar*)public_tok, len);
759 * mono_assembly_addref:
760 * @assemnly: the assembly to reference
762 * This routine increments the reference count on a MonoAssembly.
763 * The reference count is reduced every time the method mono_assembly_close() is
767 mono_assembly_addref (MonoAssembly *assembly)
769 InterlockedIncrement (&assembly->ref_count);
772 static MonoAssemblyName *
773 mono_assembly_remap_version (MonoAssemblyName *aname, MonoAssemblyName *dest_aname)
775 const MonoRuntimeInfo *current_runtime;
776 int pos, first, last;
778 if (aname->name == NULL) return aname;
779 current_runtime = mono_get_runtime_info ();
782 last = G_N_ELEMENTS (framework_assemblies) - 1;
784 while (first <= last) {
786 pos = first + (last - first) / 2;
787 res = strcmp (aname->name, framework_assemblies[pos].assembly_name);
789 const AssemblyVersionSet* vset;
790 int index = framework_assemblies[pos].version_set_index;
791 g_assert (index < G_N_ELEMENTS (current_runtime->version_sets));
792 vset = ¤t_runtime->version_sets [index];
794 if (aname->major == vset->major && aname->minor == vset->minor &&
795 aname->build == vset->build && aname->revision == vset->revision)
798 if ((aname->major | aname->minor | aname->build | aname->revision) != 0)
799 mono_trace (G_LOG_LEVEL_WARNING, MONO_TRACE_ASSEMBLY,
800 "The request to load the assembly %s v%d.%d.%d.%d was remapped to v%d.%d.%d.%d",
802 aname->major, aname->minor, aname->build, aname->revision,
803 vset->major, vset->minor, vset->build, vset->revision
806 memcpy (dest_aname, aname, sizeof(MonoAssemblyName));
807 dest_aname->major = vset->major;
808 dest_aname->minor = vset->minor;
809 dest_aname->build = vset->build;
810 dest_aname->revision = vset->revision;
812 } else if (res < 0) {
822 * mono_assembly_get_assemblyref:
824 * Fill out ANAME with the assembly name of the INDEXth assembly reference in IMAGE.
827 mono_assembly_get_assemblyref (MonoImage *image, int index, MonoAssemblyName *aname)
830 guint32 cols [MONO_ASSEMBLYREF_SIZE];
833 t = &image->tables [MONO_TABLE_ASSEMBLYREF];
835 mono_metadata_decode_row (t, index, cols, MONO_ASSEMBLYREF_SIZE);
837 hash = mono_metadata_blob_heap (image, cols [MONO_ASSEMBLYREF_HASH_VALUE]);
838 aname->hash_len = mono_metadata_decode_blob_size (hash, &hash);
839 aname->hash_value = hash;
840 aname->name = mono_metadata_string_heap (image, cols [MONO_ASSEMBLYREF_NAME]);
841 aname->culture = mono_metadata_string_heap (image, cols [MONO_ASSEMBLYREF_CULTURE]);
842 aname->flags = cols [MONO_ASSEMBLYREF_FLAGS];
843 aname->major = cols [MONO_ASSEMBLYREF_MAJOR_VERSION];
844 aname->minor = cols [MONO_ASSEMBLYREF_MINOR_VERSION];
845 aname->build = cols [MONO_ASSEMBLYREF_BUILD_NUMBER];
846 aname->revision = cols [MONO_ASSEMBLYREF_REV_NUMBER];
848 if (cols [MONO_ASSEMBLYREF_PUBLIC_KEY]) {
849 gchar *token = assemblyref_public_tok (image, cols [MONO_ASSEMBLYREF_PUBLIC_KEY], aname->flags);
850 g_strlcpy ((char*)aname->public_key_token, token, MONO_PUBLIC_KEY_TOKEN_LENGTH);
853 memset (aname->public_key_token, 0, MONO_PUBLIC_KEY_TOKEN_LENGTH);
858 mono_assembly_load_reference (MonoImage *image, int index)
860 MonoAssembly *reference;
861 MonoAssemblyName aname;
862 MonoImageOpenStatus status;
865 * image->references is shared between threads, so we need to access
866 * it inside a critical section.
868 mono_assemblies_lock ();
869 if (!image->references) {
870 MonoTableInfo *t = &image->tables [MONO_TABLE_ASSEMBLYREF];
872 image->references = g_new0 (MonoAssembly *, t->rows + 1);
874 reference = image->references [index];
875 mono_assemblies_unlock ();
879 mono_assembly_get_assemblyref (image, index, &aname);
881 if (image->assembly && image->assembly->ref_only) {
882 /* We use the loaded corlib */
883 if (!strcmp (aname.name, "mscorlib"))
884 reference = mono_assembly_load_full (&aname, image->assembly->basedir, &status, FALSE);
886 reference = mono_assembly_loaded_full (&aname, TRUE);
888 /* Try a postload search hook */
889 reference = mono_assembly_invoke_search_hook_internal (&aname, TRUE, TRUE);
893 * Here we must advice that the error was due to
894 * a non loaded reference using the ReflectionOnly api
897 reference = REFERENCE_MISSING;
899 reference = mono_assembly_load (&aname, image->assembly? image->assembly->basedir: NULL, &status);
901 if (reference == NULL){
904 if (status == MONO_IMAGE_ERROR_ERRNO && errno == ENOENT) {
905 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 : "" );
906 } else if (status == MONO_IMAGE_ERROR_ERRNO) {
907 extra_msg = g_strdup_printf ("System error: %s\n", strerror (errno));
908 } else if (status == MONO_IMAGE_MISSING_ASSEMBLYREF) {
909 extra_msg = g_strdup ("Cannot find an assembly referenced from this one.\n");
910 } else if (status == MONO_IMAGE_IMAGE_INVALID) {
911 extra_msg = g_strdup ("The file exists but is not a valid assembly.\n");
913 extra_msg = g_strdup ("");
916 mono_trace (G_LOG_LEVEL_WARNING, MONO_TRACE_ASSEMBLY, "The following assembly referenced from %s could not be loaded:\n"
917 " Assembly: %s (assemblyref_index=%d)\n"
918 " Version: %d.%d.%d.%d\n"
919 " Public Key: %s\n%s",
920 image->name, aname.name, index,
921 aname.major, aname.minor, aname.build, aname.revision,
922 strlen ((char*)aname.public_key_token) == 0 ? "(none)" : (char*)aname.public_key_token, extra_msg);
926 mono_assemblies_lock ();
927 if (reference == NULL) {
928 /* Flag as not found */
929 reference = REFERENCE_MISSING;
932 if (!image->references [index]) {
933 if (reference != REFERENCE_MISSING){
934 mono_assembly_addref (reference);
936 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_ASSEMBLY, "Assembly Ref addref %s %p -> %s %p: %d\n",
937 image->assembly->aname.name, image->assembly, reference->aname.name, reference, reference->ref_count);
940 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_ASSEMBLY, "Failed to load assembly %s %p\n",
941 image->assembly->aname.name, image->assembly);
944 image->references [index] = reference;
946 mono_assemblies_unlock ();
948 if (image->references [index] != reference) {
949 /* Somebody loaded it before us */
950 mono_assembly_close (reference);
955 mono_assembly_load_references (MonoImage *image, MonoImageOpenStatus *status)
957 /* This is a no-op now but it is part of the embedding API so we can't remove it */
958 *status = MONO_IMAGE_OK;
961 typedef struct AssemblyLoadHook AssemblyLoadHook;
962 struct AssemblyLoadHook {
963 AssemblyLoadHook *next;
964 MonoAssemblyLoadFunc func;
968 AssemblyLoadHook *assembly_load_hook = NULL;
971 mono_assembly_invoke_load_hook (MonoAssembly *ass)
973 AssemblyLoadHook *hook;
975 for (hook = assembly_load_hook; hook; hook = hook->next) {
976 hook->func (ass, hook->user_data);
981 mono_install_assembly_load_hook (MonoAssemblyLoadFunc func, gpointer user_data)
983 AssemblyLoadHook *hook;
985 g_return_if_fail (func != NULL);
987 hook = g_new0 (AssemblyLoadHook, 1);
989 hook->user_data = user_data;
990 hook->next = assembly_load_hook;
991 assembly_load_hook = hook;
995 free_assembly_load_hooks (void)
997 AssemblyLoadHook *hook, *next;
999 for (hook = assembly_load_hook; hook; hook = next) {
1005 typedef struct AssemblySearchHook AssemblySearchHook;
1006 struct AssemblySearchHook {
1007 AssemblySearchHook *next;
1008 MonoAssemblySearchFunc func;
1014 AssemblySearchHook *assembly_search_hook = NULL;
1016 static MonoAssembly*
1017 mono_assembly_invoke_search_hook_internal (MonoAssemblyName *aname, gboolean refonly, gboolean postload)
1019 AssemblySearchHook *hook;
1021 for (hook = assembly_search_hook; hook; hook = hook->next) {
1022 if ((hook->refonly == refonly) && (hook->postload == postload)) {
1023 MonoAssembly *ass = hook->func (aname, hook->user_data);
1033 mono_assembly_invoke_search_hook (MonoAssemblyName *aname)
1035 return mono_assembly_invoke_search_hook_internal (aname, FALSE, FALSE);
1039 mono_install_assembly_search_hook_internal (MonoAssemblySearchFunc func, gpointer user_data, gboolean refonly, gboolean postload)
1041 AssemblySearchHook *hook;
1043 g_return_if_fail (func != NULL);
1045 hook = g_new0 (AssemblySearchHook, 1);
1047 hook->user_data = user_data;
1048 hook->refonly = refonly;
1049 hook->postload = postload;
1050 hook->next = assembly_search_hook;
1051 assembly_search_hook = hook;
1055 mono_install_assembly_search_hook (MonoAssemblySearchFunc func, gpointer user_data)
1057 mono_install_assembly_search_hook_internal (func, user_data, FALSE, FALSE);
1061 free_assembly_search_hooks (void)
1063 AssemblySearchHook *hook, *next;
1065 for (hook = assembly_search_hook; hook; hook = next) {
1072 mono_install_assembly_refonly_search_hook (MonoAssemblySearchFunc func, gpointer user_data)
1074 mono_install_assembly_search_hook_internal (func, user_data, TRUE, FALSE);
1078 mono_install_assembly_postload_search_hook (MonoAssemblySearchFunc func, gpointer user_data)
1080 mono_install_assembly_search_hook_internal (func, user_data, FALSE, TRUE);
1084 mono_install_assembly_postload_refonly_search_hook (MonoAssemblySearchFunc func, gpointer user_data)
1086 mono_install_assembly_search_hook_internal (func, user_data, TRUE, TRUE);
1089 typedef struct AssemblyPreLoadHook AssemblyPreLoadHook;
1090 struct AssemblyPreLoadHook {
1091 AssemblyPreLoadHook *next;
1092 MonoAssemblyPreLoadFunc func;
1096 static AssemblyPreLoadHook *assembly_preload_hook = NULL;
1097 static AssemblyPreLoadHook *assembly_refonly_preload_hook = NULL;
1099 static MonoAssembly *
1100 invoke_assembly_preload_hook (MonoAssemblyName *aname, gchar **assemblies_path)
1102 AssemblyPreLoadHook *hook;
1103 MonoAssembly *assembly;
1105 for (hook = assembly_preload_hook; hook; hook = hook->next) {
1106 assembly = hook->func (aname, assemblies_path, hook->user_data);
1107 if (assembly != NULL)
1114 static MonoAssembly *
1115 invoke_assembly_refonly_preload_hook (MonoAssemblyName *aname, gchar **assemblies_path)
1117 AssemblyPreLoadHook *hook;
1118 MonoAssembly *assembly;
1120 for (hook = assembly_refonly_preload_hook; hook; hook = hook->next) {
1121 assembly = hook->func (aname, assemblies_path, hook->user_data);
1122 if (assembly != NULL)
1130 mono_install_assembly_preload_hook (MonoAssemblyPreLoadFunc func, gpointer user_data)
1132 AssemblyPreLoadHook *hook;
1134 g_return_if_fail (func != NULL);
1136 hook = g_new0 (AssemblyPreLoadHook, 1);
1138 hook->user_data = user_data;
1139 hook->next = assembly_preload_hook;
1140 assembly_preload_hook = hook;
1144 mono_install_assembly_refonly_preload_hook (MonoAssemblyPreLoadFunc func, gpointer user_data)
1146 AssemblyPreLoadHook *hook;
1148 g_return_if_fail (func != NULL);
1150 hook = g_new0 (AssemblyPreLoadHook, 1);
1152 hook->user_data = user_data;
1153 hook->next = assembly_refonly_preload_hook;
1154 assembly_refonly_preload_hook = hook;
1158 free_assembly_preload_hooks (void)
1160 AssemblyPreLoadHook *hook, *next;
1162 for (hook = assembly_preload_hook; hook; hook = next) {
1167 for (hook = assembly_refonly_preload_hook; hook; hook = next) {
1174 absolute_dir (const gchar *filename)
1185 if (g_path_is_absolute (filename)) {
1186 part = g_path_get_dirname (filename);
1187 res = g_strconcat (part, G_DIR_SEPARATOR_S, NULL);
1192 cwd = g_get_current_dir ();
1193 mixed = g_build_filename (cwd, filename, NULL);
1194 parts = g_strsplit (mixed, G_DIR_SEPARATOR_S, 0);
1199 for (i = 0; (part = parts [i]) != NULL; i++) {
1200 if (!strcmp (part, "."))
1203 if (!strcmp (part, "..")) {
1204 if (list && list->next) /* Don't remove root */
1205 list = g_list_delete_link (list, list);
1207 list = g_list_prepend (list, part);
1211 result = g_string_new ("");
1212 list = g_list_reverse (list);
1214 /* Ignores last data pointer, which should be the filename */
1215 for (tmp = list; tmp && tmp->next != NULL; tmp = tmp->next){
1217 g_string_append_printf (result, "%s%c", (char *) tmp->data,
1222 g_string_free (result, FALSE);
1227 return g_strdup (".");
1234 * mono_assembly_open_from_bundle:
1235 * @filename: Filename requested
1236 * @status: return value
1238 * This routine tries to open the assembly specified by `filename' from the
1239 * defined bundles, if found, returns the MonoImage for it, if not found
1243 mono_assembly_open_from_bundle (const char *filename, MonoImageOpenStatus *status, gboolean refonly)
1247 MonoImage *image = NULL;
1250 * we do a very simple search for bundled assemblies: it's not a general
1251 * purpose assembly loading mechanism.
1257 name = g_path_get_basename (filename);
1259 mono_assemblies_lock ();
1260 for (i = 0; !image && bundles [i]; ++i) {
1261 if (strcmp (bundles [i]->name, name) == 0) {
1262 image = mono_image_open_from_data_with_name ((char*)bundles [i]->data, bundles [i]->size, FALSE, status, refonly, name);
1266 mono_assemblies_unlock ();
1269 mono_image_addref (image);
1276 mono_assembly_open_full (const char *filename, MonoImageOpenStatus *status, gboolean refonly)
1280 MonoImageOpenStatus def_status;
1284 g_return_val_if_fail (filename != NULL, NULL);
1287 status = &def_status;
1288 *status = MONO_IMAGE_OK;
1290 if (strncmp (filename, "file://", 7) == 0) {
1291 GError *error = NULL;
1292 gchar *uri = (gchar *) filename;
1296 * MS allows file://c:/... and fails on file://localhost/c:/...
1297 * They also throw an IndexOutOfRangeException if "file://"
1300 uri = g_strdup_printf ("file:///%s", uri + 7);
1303 uri = mono_escape_uri_string (tmpuri);
1304 fname = g_filename_from_uri (uri, NULL, &error);
1307 if (tmpuri != filename)
1310 if (error != NULL) {
1311 g_warning ("%s\n", error->message);
1312 g_error_free (error);
1313 fname = g_strdup (filename);
1316 fname = g_strdup (filename);
1319 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_ASSEMBLY,
1320 "Assembly Loader probing location: '%s'.", fname);
1323 if (!mono_assembly_is_in_gac (fname))
1324 new_fname = mono_make_shadow_copy (fname);
1325 if (new_fname && new_fname != fname) {
1328 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_ASSEMBLY,
1329 "Assembly Loader shadow-copied assembly to: '%s'.", fname);
1334 if (bundles != NULL)
1335 image = mono_assembly_open_from_bundle (fname, status, refonly);
1338 image = mono_image_open_full (fname, status, refonly);
1341 if (*status == MONO_IMAGE_OK)
1342 *status = MONO_IMAGE_ERROR_ERRNO;
1347 if (image->assembly) {
1348 /* Already loaded by another appdomain */
1349 mono_assembly_invoke_load_hook (image->assembly);
1350 mono_image_close (image);
1352 return image->assembly;
1355 ass = mono_assembly_load_from_full (image, fname, status, refonly);
1358 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_ASSEMBLY,
1359 "Assembly Loader loaded assembly from location: '%s'.", filename);
1361 mono_config_for_assembly (ass->image);
1364 /* Clear the reference added by mono_image_open */
1365 mono_image_close (image);
1373 free_item (gpointer val, gpointer user_data)
1379 * mono_assembly_load_friends:
1382 * Load the list of friend assemblies that are allowed to access
1383 * the assembly's internal types and members. They are stored as assembly
1384 * names in custom attributes.
1386 * This is an internal method, we need this because when we load mscorlib
1387 * we do not have the mono_defaults.internals_visible_class loaded yet,
1388 * so we need to load these after we initialize the runtime.
1390 * LOCKING: Acquires the assemblies lock plus the loader lock.
1393 mono_assembly_load_friends (MonoAssembly* ass)
1396 MonoCustomAttrInfo* attrs;
1399 if (ass->friend_assembly_names_inited)
1402 attrs = mono_custom_attrs_from_assembly (ass);
1404 mono_assemblies_lock ();
1405 ass->friend_assembly_names_inited = TRUE;
1406 mono_assemblies_unlock ();
1410 mono_assemblies_lock ();
1411 if (ass->friend_assembly_names_inited) {
1412 mono_assemblies_unlock ();
1415 mono_assemblies_unlock ();
1419 * We build the list outside the assemblies lock, the worse that can happen
1420 * is that we'll need to free the allocated list.
1422 for (i = 0; i < attrs->num_attrs; ++i) {
1423 MonoCustomAttrEntry *attr = &attrs->attrs [i];
1424 MonoAssemblyName *aname;
1427 /* Do some sanity checking */
1428 if (!attr->ctor || attr->ctor->klass != mono_defaults.internals_visible_class)
1430 if (attr->data_size < 4)
1432 data = (const char*)attr->data;
1433 /* 0xFF means null string, see custom attr format */
1434 if (data [0] != 1 || data [1] != 0 || (data [2] & 0xFF) == 0xFF)
1436 slen = mono_metadata_decode_value (data + 2, &data);
1437 aname = g_new0 (MonoAssemblyName, 1);
1438 /*g_print ("friend ass: %s\n", data);*/
1439 if (mono_assembly_name_parse_full (data, aname, TRUE, NULL, NULL)) {
1440 list = g_slist_prepend (list, aname);
1445 mono_custom_attrs_free (attrs);
1447 mono_assemblies_lock ();
1448 if (ass->friend_assembly_names_inited) {
1449 mono_assemblies_unlock ();
1450 g_slist_foreach (list, free_item, NULL);
1451 g_slist_free (list);
1454 ass->friend_assembly_names = list;
1456 /* Because of the double checked locking pattern above */
1457 mono_memory_barrier ();
1458 ass->friend_assembly_names_inited = TRUE;
1459 mono_assemblies_unlock ();
1463 * mono_assembly_open:
1464 * @filename: Opens the assembly pointed out by this name
1465 * @status: where a status code can be returned
1467 * mono_assembly_open opens the PE-image pointed by @filename, and
1468 * loads any external assemblies referenced by it.
1470 * Return: a pointer to the MonoAssembly if @filename contains a valid
1471 * assembly or NULL on error. Details about the error are stored in the
1475 mono_assembly_open (const char *filename, MonoImageOpenStatus *status)
1477 return mono_assembly_open_full (filename, status, FALSE);
1481 mono_assembly_load_from_full (MonoImage *image, const char*fname,
1482 MonoImageOpenStatus *status, gboolean refonly)
1484 MonoAssembly *ass, *ass2;
1487 if (!image->tables [MONO_TABLE_ASSEMBLY].rows) {
1488 /* 'image' doesn't have a manifest -- maybe someone is trying to Assembly.Load a .netmodule */
1489 *status = MONO_IMAGE_IMAGE_INVALID;
1493 #if defined (HOST_WIN32)
1498 tmp_fn = g_strdup (fname);
1499 for (i = strlen (tmp_fn) - 1; i >= 0; i--) {
1500 if (tmp_fn [i] == '/')
1504 base_dir = absolute_dir (tmp_fn);
1508 base_dir = absolute_dir (fname);
1512 * Create assembly struct, and enter it into the assembly cache
1514 ass = g_new0 (MonoAssembly, 1);
1515 ass->basedir = base_dir;
1516 ass->ref_only = refonly;
1519 mono_profiler_assembly_event (ass, MONO_PROFILE_START_LOAD);
1521 mono_assembly_fill_assembly_name (image, &ass->aname);
1523 if (mono_defaults.corlib && strcmp (ass->aname.name, "mscorlib") == 0) {
1524 // MS.NET doesn't support loading other mscorlibs
1527 mono_image_addref (mono_defaults.corlib);
1528 *status = MONO_IMAGE_OK;
1529 return mono_defaults.corlib->assembly;
1532 /* Add a non-temporary reference because of ass->image */
1533 mono_image_addref (image);
1535 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);
1538 * The load hooks might take locks so we can't call them while holding the
1541 if (ass->aname.name) {
1542 ass2 = mono_assembly_invoke_search_hook_internal (&ass->aname, refonly, FALSE);
1546 mono_image_close (image);
1547 *status = MONO_IMAGE_OK;
1552 mono_assemblies_lock ();
1554 if (image->assembly) {
1556 * This means another thread has already loaded the assembly, but not yet
1557 * called the load hooks so the search hook can't find the assembly.
1559 mono_assemblies_unlock ();
1560 ass2 = image->assembly;
1563 mono_image_close (image);
1564 *status = MONO_IMAGE_OK;
1568 image->assembly = ass;
1570 loaded_assemblies = g_list_prepend (loaded_assemblies, ass);
1571 mono_assemblies_unlock ();
1574 if (image->is_module_handle)
1575 mono_image_fixup_vtable (image);
1578 mono_assembly_invoke_load_hook (ass);
1580 mono_profiler_assembly_loaded (ass, MONO_PROFILE_OK);
1586 mono_assembly_load_from (MonoImage *image, const char *fname,
1587 MonoImageOpenStatus *status)
1589 return mono_assembly_load_from_full (image, fname, status, FALSE);
1593 * mono_assembly_name_free:
1594 * @aname: assembly name to free
1596 * Frees the provided assembly name object.
1597 * (it does not frees the object itself, only the name members).
1600 mono_assembly_name_free (MonoAssemblyName *aname)
1605 g_free ((void *) aname->name);
1606 g_free ((void *) aname->culture);
1607 g_free ((void *) aname->hash_value);
1611 parse_public_key (const gchar *key, gchar** pubkey)
1614 gchar header [16], val, *arr;
1615 gint i, j, offset, bitlen, keylen, pkeylen;
1617 keylen = strlen (key) >> 1;
1621 val = g_ascii_xdigit_value (key [0]) << 4;
1622 val |= g_ascii_xdigit_value (key [1]);
1627 val = g_ascii_xdigit_value (key [24]);
1628 val |= g_ascii_xdigit_value (key [25]);
1640 /* We need the first 16 bytes
1641 * to check whether this key is valid or not */
1642 pkeylen = strlen (pkey) >> 1;
1646 for (i = 0, j = 0; i < 16; i++) {
1647 header [i] = g_ascii_xdigit_value (pkey [j++]) << 4;
1648 header [i] |= g_ascii_xdigit_value (pkey [j++]);
1651 if (header [0] != 0x06 || /* PUBLICKEYBLOB (0x06) */
1652 header [1] != 0x02 || /* Version (0x02) */
1653 header [2] != 0x00 || /* Reserved (word) */
1654 header [3] != 0x00 ||
1655 (guint)(read32 (header + 8)) != 0x31415352) /* DWORD magic = RSA1 */
1658 /* Based on this length, we _should_ be able to know if the length is right */
1659 bitlen = read32 (header + 12) >> 3;
1660 if ((bitlen + 16 + 4) != pkeylen)
1663 /* parsing is OK and the public key itself is not requested back */
1667 /* Encode the size of the blob */
1669 if (keylen <= 127) {
1670 arr = g_malloc (keylen + 1);
1671 arr [offset++] = keylen;
1673 arr = g_malloc (keylen + 2);
1674 arr [offset++] = 0x80; /* 10bs */
1675 arr [offset++] = keylen;
1678 for (i = offset, j = 0; i < keylen + offset; i++) {
1679 arr [i] = g_ascii_xdigit_value (key [j++]) << 4;
1680 arr [i] |= g_ascii_xdigit_value (key [j++]);
1689 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)
1691 gint major, minor, build, revision;
1694 gchar *pkey, *pkeyptr, *encoded, tok [8];
1696 memset (aname, 0, sizeof (MonoAssemblyName));
1699 version_parts = sscanf (version, "%u.%u.%u.%u", &major, &minor, &build, &revision);
1700 if (version_parts < 2 || version_parts > 4)
1703 /* FIXME: we should set build & revision to -1 (instead of 0)
1704 if these are not set in the version string. That way, later on,
1705 we can still determine if these were specified. */
1706 aname->major = major;
1707 aname->minor = minor;
1708 if (version_parts >= 3)
1709 aname->build = build;
1712 if (version_parts == 4)
1713 aname->revision = revision;
1715 aname->revision = 0;
1718 aname->flags = flags;
1719 aname->name = g_strdup (name);
1722 if (g_ascii_strcasecmp (culture, "neutral") == 0)
1723 aname->culture = g_strdup ("");
1725 aname->culture = g_strdup (culture);
1728 if (token && strncmp (token, "null", 4) != 0) {
1731 /* the constant includes the ending NULL, hence the -1 */
1732 if (strlen (token) != (MONO_PUBLIC_KEY_TOKEN_LENGTH - 1)) {
1733 mono_assembly_name_free (aname);
1736 lower = g_ascii_strdown (token, MONO_PUBLIC_KEY_TOKEN_LENGTH);
1737 g_strlcpy ((char*)aname->public_key_token, lower, MONO_PUBLIC_KEY_TOKEN_LENGTH);
1742 if (strcmp (key, "null") == 0 || !parse_public_key (key, &pkey)) {
1743 mono_assembly_name_free (aname);
1747 len = mono_metadata_decode_blob_size ((const gchar *) pkey, (const gchar **) &pkeyptr);
1748 // We also need to generate the key token
1749 mono_digest_get_public_token ((guchar*) tok, (guint8*) pkeyptr, len);
1750 encoded = encode_public_tok ((guchar*) tok, 8);
1751 g_strlcpy ((gchar*)aname->public_key_token, encoded, MONO_PUBLIC_KEY_TOKEN_LENGTH);
1754 if (save_public_key)
1755 aname->public_key = (guint8*) pkey;
1764 parse_assembly_directory_name (const char *name, const char *dirname, MonoAssemblyName *aname)
1769 parts = g_strsplit (dirname, "_", 3);
1770 if (!parts || !parts[0] || !parts[1] || !parts[2]) {
1775 res = build_assembly_name (name, parts[0], parts[1], parts[2], NULL, 0, aname, FALSE);
1781 mono_assembly_name_parse_full (const char *name, MonoAssemblyName *aname, gboolean save_public_key, gboolean *is_version_defined, gboolean *is_token_defined)
1784 gchar *version = NULL;
1785 gchar *culture = NULL;
1786 gchar *token = NULL;
1788 gchar *retargetable = NULL;
1793 gboolean version_defined;
1794 gboolean token_defined;
1797 if (!is_version_defined)
1798 is_version_defined = &version_defined;
1799 *is_version_defined = FALSE;
1800 if (!is_token_defined)
1801 is_token_defined = &token_defined;
1802 *is_token_defined = FALSE;
1804 parts = tmp = g_strsplit (name, ",", 6);
1805 if (!tmp || !*tmp) {
1810 dllname = g_strstrip (*tmp);
1815 value = g_strstrip (*tmp);
1816 if (!g_ascii_strncasecmp (value, "Version=", 8)) {
1817 *is_version_defined = TRUE;
1818 version = g_strstrip (value + 8);
1819 if (strlen (version) == 0) {
1820 goto cleanup_and_fail;
1826 if (!g_ascii_strncasecmp (value, "Culture=", 8)) {
1827 culture = g_strstrip (value + 8);
1828 if (strlen (culture) == 0) {
1829 goto cleanup_and_fail;
1835 if (!g_ascii_strncasecmp (value, "PublicKeyToken=", 15)) {
1836 *is_token_defined = TRUE;
1837 token = g_strstrip (value + 15);
1838 if (strlen (token) == 0) {
1839 goto cleanup_and_fail;
1845 if (!g_ascii_strncasecmp (value, "PublicKey=", 10)) {
1846 key = g_strstrip (value + 10);
1847 if (strlen (key) == 0) {
1848 goto cleanup_and_fail;
1854 if (!g_ascii_strncasecmp (value, "Retargetable=", 13)) {
1855 retargetable = g_strstrip (value + 13);
1856 if (strlen (retargetable) == 0) {
1857 goto cleanup_and_fail;
1859 if (!g_ascii_strcasecmp (retargetable, "yes")) {
1860 flags |= ASSEMBLYREF_RETARGETABLE_FLAG;
1861 } else if (g_ascii_strcasecmp (retargetable, "no")) {
1862 goto cleanup_and_fail;
1868 if (!g_ascii_strncasecmp (value, "ProcessorArchitecture=", 22)) {
1869 /* this is ignored for now, until we can change MonoAssemblyName */
1878 /* if retargetable flag is set, then we must have a fully qualified name */
1879 if (retargetable != NULL && (version == NULL || culture == NULL || (key == NULL && token == NULL))) {
1880 goto cleanup_and_fail;
1883 res = build_assembly_name (dllname, version, culture, token, key, flags,
1884 aname, save_public_key);
1894 * mono_assembly_name_parse:
1895 * @name: name to parse
1896 * @aname: the destination assembly name
1898 * Parses an assembly qualified type name and assigns the name,
1899 * version, culture and token to the provided assembly name object.
1901 * Returns: true if the name could be parsed.
1904 mono_assembly_name_parse (const char *name, MonoAssemblyName *aname)
1906 return mono_assembly_name_parse_full (name, aname, FALSE, NULL, NULL);
1910 * mono_assembly_name_new:
1911 * @name: name to parse
1913 * Allocate a new MonoAssemblyName and fill its values from the
1916 * Returns: a newly allocated structure or NULL if there was any failure.
1919 mono_assembly_name_new (const char *name)
1921 MonoAssemblyName *aname = g_new0 (MonoAssemblyName, 1);
1922 if (mono_assembly_name_parse (name, aname))
1929 mono_assembly_name_get_name (MonoAssemblyName *aname)
1935 mono_assembly_name_get_culture (MonoAssemblyName *aname)
1937 return aname->culture;
1941 mono_assembly_name_get_pubkeytoken (MonoAssemblyName *aname)
1943 if (aname->public_key_token [0])
1944 return aname->public_key_token;
1949 mono_assembly_name_get_version (MonoAssemblyName *aname, uint16_t *minor, uint16_t *build, uint16_t *revision)
1952 *minor = aname->minor;
1954 *build = aname->build;
1956 *revision = aname->revision;
1957 return aname->major;
1960 static MonoAssembly*
1961 probe_for_partial_name (const char *basepath, const char *fullname, MonoAssemblyName *aname, MonoImageOpenStatus *status)
1963 gchar *fullpath = NULL;
1965 const char* direntry;
1966 MonoAssemblyName gac_aname;
1967 gint major=-1, minor=0, build=0, revision=0;
1968 gboolean exact_version;
1970 dirhandle = g_dir_open (basepath, 0, NULL);
1974 exact_version = (aname->major | aname->minor | aname->build | aname->revision) != 0;
1976 while ((direntry = g_dir_read_name (dirhandle))) {
1977 gboolean match = TRUE;
1979 if(!parse_assembly_directory_name (aname->name, direntry, &gac_aname))
1982 if (aname->culture != NULL && strcmp (aname->culture, gac_aname.culture) != 0)
1985 if (match && strlen ((char*)aname->public_key_token) > 0 &&
1986 !mono_public_tokens_are_equal (aname->public_key_token, gac_aname.public_key_token))
1990 if (exact_version) {
1991 match = (aname->major == gac_aname.major && aname->minor == gac_aname.minor &&
1992 aname->build == gac_aname.build && aname->revision == gac_aname.revision);
1994 else if (gac_aname.major < major)
1996 else if (gac_aname.major == major) {
1997 if (gac_aname.minor < minor)
1999 else if (gac_aname.minor == minor) {
2000 if (gac_aname.build < build)
2002 else if (gac_aname.build == build && gac_aname.revision <= revision)
2009 major = gac_aname.major;
2010 minor = gac_aname.minor;
2011 build = gac_aname.build;
2012 revision = gac_aname.revision;
2014 fullpath = g_build_path (G_DIR_SEPARATOR_S, basepath, direntry, fullname, NULL);
2017 mono_assembly_name_free (&gac_aname);
2020 g_dir_close (dirhandle);
2022 if (fullpath == NULL)
2025 MonoAssembly *res = mono_assembly_open (fullpath, status);
2032 mono_assembly_load_with_partial_name (const char *name, MonoImageOpenStatus *status)
2035 MonoAssemblyName *aname, base_name, maped_aname;
2036 gchar *fullname, *gacpath;
2039 memset (&base_name, 0, sizeof (MonoAssemblyName));
2042 if (!mono_assembly_name_parse (name, aname))
2046 * If no specific version has been requested, make sure we load the
2047 * correct version for system assemblies.
2049 if ((aname->major | aname->minor | aname->build | aname->revision) == 0)
2050 aname = mono_assembly_remap_version (aname, &maped_aname);
2052 res = mono_assembly_loaded (aname);
2054 mono_assembly_name_free (aname);
2058 res = invoke_assembly_preload_hook (aname, assemblies_path);
2060 res->in_gac = FALSE;
2061 mono_assembly_name_free (aname);
2065 fullname = g_strdup_printf ("%s.dll", aname->name);
2067 if (extra_gac_paths) {
2068 paths = extra_gac_paths;
2069 while (!res && *paths) {
2070 gacpath = g_build_path (G_DIR_SEPARATOR_S, *paths, "lib", "mono", "gac", aname->name, NULL);
2071 res = probe_for_partial_name (gacpath, fullname, aname, status);
2080 mono_assembly_name_free (aname);
2084 gacpath = g_build_path (G_DIR_SEPARATOR_S, mono_assembly_getrootdir (), "mono", "gac", aname->name, NULL);
2085 res = probe_for_partial_name (gacpath, fullname, aname, status);
2091 MonoDomain *domain = mono_domain_get ();
2092 MonoReflectionAssembly *refasm = mono_try_assembly_resolve (domain, mono_string_new (domain, name), FALSE);
2094 res = refasm->assembly;
2098 mono_assembly_name_free (aname);
2104 mono_assembly_is_in_gac (const gchar *filename)
2106 const gchar *rootdir;
2110 if (filename == NULL)
2113 for (paths = extra_gac_paths; paths && *paths; paths++) {
2114 if (strstr (*paths, filename) != *paths)
2117 gp = (gchar *) (filename + strlen (*paths));
2118 if (*gp != G_DIR_SEPARATOR)
2121 if (strncmp (gp, "lib", 3))
2124 if (*gp != G_DIR_SEPARATOR)
2127 if (strncmp (gp, "mono", 4))
2130 if (*gp != G_DIR_SEPARATOR)
2133 if (strncmp (gp, "gac", 3))
2136 if (*gp != G_DIR_SEPARATOR)
2142 rootdir = mono_assembly_getrootdir ();
2143 if (strstr (filename, rootdir) != filename)
2146 gp = (gchar *) (filename + strlen (rootdir));
2147 if (*gp != G_DIR_SEPARATOR)
2150 if (strncmp (gp, "mono", 4))
2153 if (*gp != G_DIR_SEPARATOR)
2156 if (strncmp (gp, "gac", 3))
2159 if (*gp != G_DIR_SEPARATOR)
2165 mono_assembly_load_publisher_policy (MonoAssemblyName *aname)
2168 gchar *filename, *pname, *name, *culture, *version, *fullpath, *subpath;
2172 if (strstr (aname->name, ".dll")) {
2173 len = strlen (aname->name) - 4;
2174 name = g_malloc (len);
2175 strncpy (name, aname->name, len);
2177 name = g_strdup (aname->name);
2180 culture = g_utf8_strdown (aname->culture, -1);
2182 culture = g_strdup ("");
2184 pname = g_strdup_printf ("policy.%d.%d.%s", aname->major, aname->minor, name);
2185 version = g_strdup_printf ("0.0.0.0_%s_%s", culture, aname->public_key_token);
2189 filename = g_strconcat (pname, ".dll", NULL);
2190 subpath = g_build_path (G_DIR_SEPARATOR_S, pname, version, filename, NULL);
2196 if (extra_gac_paths) {
2197 paths = extra_gac_paths;
2198 while (!image && *paths) {
2199 fullpath = g_build_path (G_DIR_SEPARATOR_S, *paths,
2200 "lib", "mono", "gac", subpath, NULL);
2201 image = mono_image_open (fullpath, NULL);
2212 fullpath = g_build_path (G_DIR_SEPARATOR_S, mono_assembly_getrootdir (),
2213 "mono", "gac", subpath, NULL);
2214 image = mono_image_open (fullpath, NULL);
2221 static MonoAssemblyName*
2222 mono_assembly_bind_version (MonoAssemblyBindingInfo *info, MonoAssemblyName *aname, MonoAssemblyName *dest_name)
2224 memcpy (dest_name, aname, sizeof (MonoAssemblyName));
2225 dest_name->major = info->new_version.major;
2226 dest_name->minor = info->new_version.minor;
2227 dest_name->build = info->new_version.build;
2228 dest_name->revision = info->new_version.revision;
2233 /* LOCKING: Assumes that we are already locked */
2234 static MonoAssemblyBindingInfo*
2235 search_binding_loaded (MonoAssemblyName *aname)
2239 for (tmp = loaded_assembly_bindings; tmp; tmp = tmp->next) {
2240 MonoAssemblyBindingInfo *info = tmp->data;
2241 if (assembly_binding_maps_name (info, aname))
2248 static inline gboolean
2249 info_compare_versions (AssemblyVersionSet *left, AssemblyVersionSet *right)
2251 if (left->major != right->major || left->minor != right->minor ||
2252 left->build != right->build || left->revision != right->revision)
2258 static inline gboolean
2259 info_versions_equal (MonoAssemblyBindingInfo *left, MonoAssemblyBindingInfo *right)
2261 if (left->has_old_version_bottom != right->has_old_version_bottom)
2264 if (left->has_old_version_top != right->has_old_version_top)
2267 if (left->has_new_version != right->has_new_version)
2270 if (left->has_old_version_bottom && !info_compare_versions (&left->old_version_bottom, &right->old_version_bottom))
2273 if (left->has_old_version_top && !info_compare_versions (&left->old_version_top, &right->old_version_top))
2276 if (left->has_new_version && !info_compare_versions (&left->new_version, &right->new_version))
2282 /* LOCKING: assumes all the necessary locks are held */
2284 assembly_binding_info_parsed (MonoAssemblyBindingInfo *info, void *user_data)
2286 MonoAssemblyBindingInfo *info_copy;
2288 MonoAssemblyBindingInfo *info_tmp;
2289 MonoDomain *domain = (MonoDomain*)user_data;
2294 for (tmp = domain->assembly_bindings; tmp; tmp = tmp->next) {
2295 info_tmp = tmp->data;
2296 if (strcmp (info->name, info_tmp->name) == 0 && info_versions_equal (info, info_tmp))
2300 info_copy = mono_mempool_alloc0 (domain->mp, sizeof (MonoAssemblyBindingInfo));
2301 memcpy (info_copy, info, sizeof (MonoAssemblyBindingInfo));
2303 info_copy->name = mono_mempool_strdup (domain->mp, info->name);
2305 info_copy->culture = mono_mempool_strdup (domain->mp, info->culture);
2307 domain->assembly_bindings = g_slist_append_mempool (domain->mp, domain->assembly_bindings, info_copy);
2310 static inline gboolean
2311 info_major_minor_in_range (MonoAssemblyBindingInfo *info, MonoAssemblyName *aname)
2313 if (!info->has_old_version_bottom)
2316 if (info->old_version_bottom.major > aname->major || info->old_version_bottom.minor > aname->minor)
2319 if (info->has_old_version_top && (info->old_version_top.major < aname->major || info->old_version_top.minor < aname->minor))
2322 /* This is not the nicest way to do it, but it's a by-product of the way parsing is done */
2323 info->major = aname->major;
2324 info->minor = aname->minor;
2329 /* LOCKING: Assumes that we are already locked - both loader and domain locks */
2330 static MonoAssemblyBindingInfo*
2331 get_per_domain_assembly_binding_info (MonoDomain *domain, MonoAssemblyName *aname)
2333 MonoAssemblyBindingInfo *info;
2336 if (!domain->assembly_bindings)
2340 for (list = domain->assembly_bindings; list; list = list->next) {
2342 if (info && !strcmp (aname->name, info->name) && info_major_minor_in_range (info, aname))
2348 if (info->name && info->public_key_token [0] && info->has_old_version_bottom &&
2349 info->has_new_version && assembly_binding_maps_name (info, aname))
2350 info->is_valid = TRUE;
2352 info->is_valid = FALSE;
2358 static MonoAssemblyName*
2359 mono_assembly_apply_binding (MonoAssemblyName *aname, MonoAssemblyName *dest_name)
2361 MonoAssemblyBindingInfo *info, *info2;
2365 if (aname->public_key_token [0] == 0)
2368 domain = mono_domain_get ();
2369 mono_loader_lock ();
2370 info = search_binding_loaded (aname);
2372 mono_domain_lock (domain);
2373 info = get_per_domain_assembly_binding_info (domain, aname);
2374 mono_domain_unlock (domain);
2377 mono_loader_unlock ();
2379 if (!check_policy_versions (info, aname))
2382 mono_assembly_bind_version (info, aname, dest_name);
2386 if (domain && domain->setup && domain->setup->configuration_file) {
2387 mono_domain_lock (domain);
2388 if (!domain->assembly_bindings_parsed) {
2389 gchar *domain_config_file = mono_string_to_utf8 (domain->setup->configuration_file);
2391 mono_config_parse_assembly_bindings (domain_config_file, aname->major, aname->minor, domain, assembly_binding_info_parsed);
2392 domain->assembly_bindings_parsed = TRUE;
2393 g_free (domain_config_file);
2395 mono_domain_unlock (domain);
2397 mono_loader_lock ();
2398 mono_domain_lock (domain);
2399 info = get_per_domain_assembly_binding_info (domain, aname);
2400 mono_domain_unlock (domain);
2401 mono_loader_unlock ();
2405 info = g_new0 (MonoAssemblyBindingInfo, 1);
2406 info->major = aname->major;
2407 info->minor = aname->minor;
2410 if (!info->is_valid) {
2411 ppimage = mono_assembly_load_publisher_policy (aname);
2413 get_publisher_policy_info (ppimage, aname, info);
2414 mono_image_close (ppimage);
2418 /* Define default error value if needed */
2419 if (!info->is_valid) {
2420 info->name = g_strdup (aname->name);
2421 info->culture = g_strdup (aname->culture);
2422 g_strlcpy ((char *)info->public_key_token, (const char *)aname->public_key_token, MONO_PUBLIC_KEY_TOKEN_LENGTH);
2425 mono_loader_lock ();
2426 info2 = search_binding_loaded (aname);
2428 /* This binding was added by another thread
2430 mono_assembly_binding_info_free (info);
2435 loaded_assembly_bindings = g_slist_prepend (loaded_assembly_bindings, info);
2437 mono_loader_unlock ();
2439 if (!info->is_valid || !check_policy_versions (info, aname))
2442 mono_assembly_bind_version (info, aname, dest_name);
2447 * mono_assembly_load_from_gac
2449 * @aname: The assembly name object
2451 static MonoAssembly*
2452 mono_assembly_load_from_gac (MonoAssemblyName *aname, gchar *filename, MonoImageOpenStatus *status, MonoBoolean refonly)
2454 MonoAssembly *result = NULL;
2455 gchar *name, *version, *culture, *fullpath, *subpath;
2460 if (aname->public_key_token [0] == 0) {
2464 if (strstr (aname->name, ".dll")) {
2465 len = strlen (filename) - 4;
2466 name = g_malloc (len);
2467 strncpy (name, aname->name, len);
2469 name = g_strdup (aname->name);
2472 if (aname->culture) {
2473 culture = g_utf8_strdown (aname->culture, -1);
2475 culture = g_strdup ("");
2478 pubtok = g_ascii_strdown ((char*)aname->public_key_token, MONO_PUBLIC_KEY_TOKEN_LENGTH);
2479 version = g_strdup_printf ("%d.%d.%d.%d_%s_%s", aname->major,
2480 aname->minor, aname->build, aname->revision,
2484 subpath = g_build_path (G_DIR_SEPARATOR_S, name, version, filename, NULL);
2489 if (extra_gac_paths) {
2490 paths = extra_gac_paths;
2491 while (!result && *paths) {
2492 fullpath = g_build_path (G_DIR_SEPARATOR_S, *paths, "lib", "mono", "gac", subpath, NULL);
2493 result = mono_assembly_open_full (fullpath, status, refonly);
2500 result->in_gac = TRUE;
2505 fullpath = g_build_path (G_DIR_SEPARATOR_S, mono_assembly_getrootdir (),
2506 "mono", "gac", subpath, NULL);
2507 result = mono_assembly_open_full (fullpath, status, refonly);
2511 result->in_gac = TRUE;
2520 mono_assembly_load_corlib (const MonoRuntimeInfo *runtime, MonoImageOpenStatus *status)
2525 /* g_print ("corlib already loaded\n"); */
2529 if (assemblies_path) {
2530 corlib = load_in_path ("mscorlib.dll", (const char**)assemblies_path, status, FALSE);
2535 /* Load corlib from mono/<version> */
2537 corlib_file = g_build_filename ("mono", runtime->framework_version, "mscorlib.dll", NULL);
2538 if (assemblies_path) {
2539 corlib = load_in_path (corlib_file, (const char**)assemblies_path, status, FALSE);
2541 g_free (corlib_file);
2545 corlib = load_in_path (corlib_file, default_path, status, FALSE);
2546 g_free (corlib_file);
2552 mono_assembly_load_full_nosearch (MonoAssemblyName *aname,
2553 const char *basedir,
2554 MonoImageOpenStatus *status,
2557 MonoAssembly *result;
2558 char *fullpath, *filename;
2559 MonoAssemblyName maped_aname, maped_name_pp;
2564 aname = mono_assembly_remap_version (aname, &maped_aname);
2566 /* Reflection only assemblies don't get assembly binding */
2568 aname = mono_assembly_apply_binding (aname, &maped_name_pp);
2570 result = mono_assembly_loaded_full (aname, refonly);
2574 result = refonly ? invoke_assembly_refonly_preload_hook (aname, assemblies_path) : invoke_assembly_preload_hook (aname, assemblies_path);
2576 result->in_gac = FALSE;
2580 /* Currently we retrieve the loaded corlib for reflection
2581 * only requests, like a common reflection only assembly
2583 if (strcmp (aname->name, "mscorlib") == 0 || strcmp (aname->name, "mscorlib.dll") == 0) {
2584 return mono_assembly_load_corlib (mono_get_runtime_info (), status);
2587 len = strlen (aname->name);
2588 for (ext_index = 0; ext_index < 2; ext_index ++) {
2589 ext = ext_index == 0 ? ".dll" : ".exe";
2590 if (len > 4 && (!strcmp (aname->name + len - 4, ".dll") || !strcmp (aname->name + len - 4, ".exe"))) {
2591 filename = g_strdup (aname->name);
2592 /* Don't try appending .dll/.exe if it already has one of those extensions */
2595 filename = g_strconcat (aname->name, ext, NULL);
2598 result = mono_assembly_load_from_gac (aname, filename, status, refonly);
2605 fullpath = g_build_filename (basedir, filename, NULL);
2606 result = mono_assembly_open_full (fullpath, status, refonly);
2609 result->in_gac = FALSE;
2615 result = load_in_path (filename, default_path, status, refonly);
2617 result->in_gac = FALSE;
2627 * mono_assembly_load_full:
2628 * @aname: A MonoAssemblyName with the assembly name to load.
2629 * @basedir: A directory to look up the assembly at.
2630 * @status: a pointer to a MonoImageOpenStatus to return the status of the load operation
2631 * @refonly: Whether this assembly is being opened in "reflection-only" mode.
2633 * Loads the assembly referenced by @aname, if the value of @basedir is not NULL, it
2634 * attempts to load the assembly from that directory before probing the standard locations.
2636 * If the assembly is being opened in reflection-only mode (@refonly set to TRUE) then no
2637 * assembly binding takes place.
2639 * Returns: the assembly referenced by @aname loaded or NULL on error. On error the
2640 * value pointed by status is updated with an error code.
2643 mono_assembly_load_full (MonoAssemblyName *aname, const char *basedir, MonoImageOpenStatus *status, gboolean refonly)
2645 MonoAssembly *result = mono_assembly_load_full_nosearch (aname, basedir, status, refonly);
2648 /* Try a postload search hook */
2649 result = mono_assembly_invoke_search_hook_internal (aname, refonly, TRUE);
2654 * mono_assembly_load:
2655 * @aname: A MonoAssemblyName with the assembly name to load.
2656 * @basedir: A directory to look up the assembly at.
2657 * @status: a pointer to a MonoImageOpenStatus to return the status of the load operation
2659 * Loads the assembly referenced by @aname, if the value of @basedir is not NULL, it
2660 * attempts to load the assembly from that directory before probing the standard locations.
2662 * Returns: the assembly referenced by @aname loaded or NULL on error. On error the
2663 * value pointed by status is updated with an error code.
2666 mono_assembly_load (MonoAssemblyName *aname, const char *basedir, MonoImageOpenStatus *status)
2668 return mono_assembly_load_full (aname, basedir, status, FALSE);
2672 mono_assembly_loaded_full (MonoAssemblyName *aname, gboolean refonly)
2675 MonoAssemblyName maped_aname;
2677 aname = mono_assembly_remap_version (aname, &maped_aname);
2679 res = mono_assembly_invoke_search_hook_internal (aname, refonly, FALSE);
2685 * mono_assembly_loaded:
2686 * @aname: an assembly to look for.
2688 * Returns: NULL If the given @aname assembly has not been loaded, or a pointer to
2689 * a MonoAssembly that matches the MonoAssemblyName specified.
2692 mono_assembly_loaded (MonoAssemblyName *aname)
2694 return mono_assembly_loaded_full (aname, FALSE);
2698 * Returns whether mono_assembly_close_finish() must be called as
2699 * well. See comment for mono_image_close_except_pools() for why we
2700 * unload in two steps.
2703 mono_assembly_close_except_image_pools (MonoAssembly *assembly)
2706 g_return_val_if_fail (assembly != NULL, FALSE);
2708 if (assembly == REFERENCE_MISSING)
2711 /* Might be 0 already */
2712 if (InterlockedDecrement (&assembly->ref_count) > 0)
2715 mono_profiler_assembly_event (assembly, MONO_PROFILE_START_UNLOAD);
2717 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_ASSEMBLY, "Unloading assembly %s [%p].", assembly->aname.name, assembly);
2719 mono_debug_close_image (assembly->image);
2721 mono_assemblies_lock ();
2722 loaded_assemblies = g_list_remove (loaded_assemblies, assembly);
2723 mono_assemblies_unlock ();
2725 assembly->image->assembly = NULL;
2727 if (!mono_image_close_except_pools (assembly->image))
2728 assembly->image = NULL;
2730 for (tmp = assembly->friend_assembly_names; tmp; tmp = tmp->next) {
2731 MonoAssemblyName *fname = tmp->data;
2732 mono_assembly_name_free (fname);
2735 g_slist_free (assembly->friend_assembly_names);
2736 g_free (assembly->basedir);
2738 mono_profiler_assembly_event (assembly, MONO_PROFILE_END_UNLOAD);
2744 mono_assembly_close_finish (MonoAssembly *assembly)
2746 g_assert (assembly && assembly != REFERENCE_MISSING);
2748 if (assembly->image)
2749 mono_image_close_finish (assembly->image);
2751 if (assembly->dynamic) {
2752 g_free ((char*)assembly->aname.culture);
2759 * mono_assembly_close:
2760 * @assembly: the assembly to release.
2762 * This method releases a reference to the @assembly. The assembly is
2763 * only released when all the outstanding references to it are released.
2766 mono_assembly_close (MonoAssembly *assembly)
2768 if (mono_assembly_close_except_image_pools (assembly))
2769 mono_assembly_close_finish (assembly);
2773 mono_assembly_load_module (MonoAssembly *assembly, guint32 idx)
2775 return mono_image_load_file_for_image (assembly->image, idx);
2779 mono_assembly_foreach (GFunc func, gpointer user_data)
2784 * We make a copy of the list to avoid calling the callback inside the
2785 * lock, which could lead to deadlocks.
2787 mono_assemblies_lock ();
2788 copy = g_list_copy (loaded_assemblies);
2789 mono_assemblies_unlock ();
2791 g_list_foreach (loaded_assemblies, func, user_data);
2797 * mono_assemblies_cleanup:
2799 * Free all resources used by this module.
2802 mono_assemblies_cleanup (void)
2806 DeleteCriticalSection (&assemblies_mutex);
2808 for (l = loaded_assembly_bindings; l; l = l->next) {
2809 MonoAssemblyBindingInfo *info = l->data;
2811 mono_assembly_binding_info_free (info);
2814 g_slist_free (loaded_assembly_bindings);
2816 free_assembly_load_hooks ();
2817 free_assembly_search_hooks ();
2818 free_assembly_preload_hooks ();
2822 * Holds the assembly of the application, for
2823 * System.Diagnostics.Process::MainModule
2825 static MonoAssembly *main_assembly=NULL;
2828 mono_assembly_set_main (MonoAssembly *assembly)
2830 main_assembly = assembly;
2834 * mono_assembly_get_main:
2836 * Returns: the assembly for the application, the first assembly that is loaded by the VM
2839 mono_assembly_get_main (void)
2841 return (main_assembly);
2845 * mono_assembly_get_image:
2846 * @assembly: The assembly to retrieve the image from
2848 * Returns: the MonoImage associated with this assembly.
2851 mono_assembly_get_image (MonoAssembly *assembly)
2853 return assembly->image;
2857 mono_register_bundled_assemblies (const MonoBundledAssembly **assemblies)
2859 bundles = assemblies;
2862 #define MONO_DECLSEC_FORMAT_10 0x3C
2863 #define MONO_DECLSEC_FORMAT_20 0x2E
2864 #define MONO_DECLSEC_FIELD 0x53
2865 #define MONO_DECLSEC_PROPERTY 0x54
2867 #define SKIP_VISIBILITY_XML_ATTRIBUTE ("\"SkipVerification\"")
2868 #define SKIP_VISIBILITY_ATTRIBUTE_NAME ("System.Security.Permissions.SecurityPermissionAttribute")
2869 #define SKIP_VISIBILITY_ATTRIBUTE_SIZE (sizeof (SKIP_VISIBILITY_ATTRIBUTE_NAME) - 1)
2870 #define SKIP_VISIBILITY_PROPERTY_NAME ("SkipVerification")
2871 #define SKIP_VISIBILITY_PROPERTY_SIZE (sizeof (SKIP_VISIBILITY_PROPERTY_NAME) - 1)
2874 mono_assembly_try_decode_skip_verification_param (const char *p, const char **resp, gboolean *abort_decoding)
2878 case MONO_DECLSEC_PROPERTY:
2880 case MONO_DECLSEC_FIELD:
2882 *abort_decoding = TRUE;
2887 if (*p++ != MONO_TYPE_BOOLEAN) {
2888 *abort_decoding = TRUE;
2892 /* property name length */
2893 len = mono_metadata_decode_value (p, &p);
2895 if (len >= SKIP_VISIBILITY_PROPERTY_SIZE && !memcmp (p, SKIP_VISIBILITY_PROPERTY_NAME, SKIP_VISIBILITY_PROPERTY_SIZE)) {
2906 mono_assembly_try_decode_skip_verification (const char *p, const char *endn)
2908 int i, j, num, len, params_len;
2910 if (*p == MONO_DECLSEC_FORMAT_10) {
2911 gsize read, written;
2912 char *res = g_convert (p, endn - p, "UTF-8", "UTF-16LE", &read, &written, NULL);
2914 gboolean found = strstr (res, SKIP_VISIBILITY_XML_ATTRIBUTE) != NULL;
2920 if (*p++ != MONO_DECLSEC_FORMAT_20)
2923 /* number of encoded permission attributes */
2924 num = mono_metadata_decode_value (p, &p);
2925 for (i = 0; i < num; ++i) {
2926 gboolean is_valid = FALSE;
2927 gboolean abort_decoding = FALSE;
2929 /* attribute name length */
2930 len = mono_metadata_decode_value (p, &p);
2932 /* We don't really need to fully decode the type. Comparing the name is enough */
2933 is_valid = len >= SKIP_VISIBILITY_ATTRIBUTE_SIZE && !memcmp (p, SKIP_VISIBILITY_ATTRIBUTE_NAME, SKIP_VISIBILITY_ATTRIBUTE_SIZE);
2937 /*size of the params table*/
2938 params_len = mono_metadata_decode_value (p, &p);
2940 const char *params_end = p + params_len;
2942 /* number of parameters */
2943 len = mono_metadata_decode_value (p, &p);
2945 for (j = 0; j < len; ++j) {
2946 if (mono_assembly_try_decode_skip_verification_param (p, &p, &abort_decoding))
2962 mono_assembly_has_skip_verification (MonoAssembly *assembly)
2965 guint32 cols [MONO_DECL_SECURITY_SIZE];
2969 if (MONO_SECMAN_FLAG_INIT (assembly->skipverification))
2970 return MONO_SECMAN_FLAG_GET_VALUE (assembly->skipverification);
2972 t = &assembly->image->tables [MONO_TABLE_DECLSECURITY];
2974 for (i = 0; i < t->rows; ++i) {
2975 mono_metadata_decode_row (t, i, cols, MONO_DECL_SECURITY_SIZE);
2976 if ((cols [MONO_DECL_SECURITY_PARENT] & MONO_HAS_DECL_SECURITY_MASK) != MONO_HAS_DECL_SECURITY_ASSEMBLY)
2978 if (cols [MONO_DECL_SECURITY_ACTION] != SECURITY_ACTION_REQMIN)
2981 blob = mono_metadata_blob_heap (assembly->image, cols [MONO_DECL_SECURITY_PERMISSIONSET]);
2982 len = mono_metadata_decode_blob_size (blob, &blob);
2986 if (mono_assembly_try_decode_skip_verification (blob, blob + len)) {
2987 MONO_SECMAN_FLAG_SET_VALUE (assembly->skipverification, TRUE);
2992 MONO_SECMAN_FLAG_SET_VALUE (assembly->skipverification, FALSE);