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/utils/mono-path.h>
33 #include <mono/metadata/reflection.h>
34 #include <mono/metadata/coree.h>
35 #include <mono/utils/mono-io-portability.h>
38 #include <sys/types.h>
43 #ifdef PLATFORM_MACOSX
44 #include <mach-o/dyld.h>
47 /* AssemblyVersionMap: an assembly name and the assembly version set on which it is based */
49 const char* assembly_name;
50 guint8 version_set_index;
53 /* the default search path is empty, the first slot is replaced with the computed value */
60 /* Contains the list of directories to be searched for assemblies (MONO_PATH) */
61 static char **assemblies_path = NULL;
63 /* Contains the list of directories that point to auxiliary GACs */
64 static char **extra_gac_paths = NULL;
66 #ifndef DISABLE_ASSEMBLY_REMAPPING
67 /* The list of system assemblies what will be remapped to the running
68 * runtime version. WARNING: this list must be sorted.
69 * The integer number is an index in the MonoRuntimeInfo structure, whose
70 * values can be found in domain.c - supported_runtimes. Look there
71 * to understand what remapping will be made.
73 static const AssemblyVersionMap framework_assemblies [] = {
75 {"Commons.Xml.Relaxng", 0},
82 {"Microsoft.VisualBasic", 1},
83 {"Microsoft.VisualC", 1},
85 {"Mono.CompilerServices.SymbolWriter", 0},
87 {"Mono.Data.SybaseClient", 0},
89 {"Mono.Data.TdsClient", 0},
90 {"Mono.GetOptions", 0},
94 {"Mono.Security.Win32", 0},
96 {"Novell.Directory.Ldap", 0},
100 {"System.ComponentModel.DataAnnotations", 2},
101 {"System.Configuration", 0},
102 {"System.Configuration.Install", 0},
105 {"System.Data.Linq", 2},
106 {"System.Data.OracleClient", 0},
107 {"System.Data.SqlXml", 0},
108 {"System.Design", 0},
109 {"System.DirectoryServices", 0},
110 {"System.Drawing", 0},
111 {"System.Drawing.Design", 0},
112 {"System.EnterpriseServices", 0},
113 {"System.Management", 0},
114 {"System.Messaging", 0},
115 {"System.Runtime.Remoting", 0},
116 {"System.Runtime.Serialization.Formatters.Soap", 0},
117 {"System.Security", 0},
118 {"System.ServiceProcess", 0},
119 {"System.Transactions", 0},
121 {"System.Web.Abstractions", 2},
122 {"System.Web.Mobile", 0},
123 {"System.Web.Routing", 2},
124 {"System.Web.Services", 0},
125 {"System.Windows.Forms", 0},
132 * keeps track of loaded assemblies
134 static GList *loaded_assemblies = NULL;
135 static MonoAssembly *corlib;
137 #if defined(__native_client__)
139 /* On Native Client, allow mscorlib to be loaded from memory */
140 /* instead of loaded off disk. If these are not set, default */
141 /* mscorlib loading will take place */
143 /* NOTE: If mscorlib data is passed to mono in this way then */
144 /* it needs to remain allocated during the use of mono. */
146 static void *corlibData = NULL;
147 static size_t corlibSize = 0;
150 mono_set_corlib_data (void *data, size_t size)
158 /* This protects loaded_assemblies and image->references */
159 #define mono_assemblies_lock() EnterCriticalSection (&assemblies_mutex)
160 #define mono_assemblies_unlock() LeaveCriticalSection (&assemblies_mutex)
161 static CRITICAL_SECTION assemblies_mutex;
163 /* If defined, points to the bundled assembly information */
164 const MonoBundledAssembly **bundles;
166 /* Loaded assembly binding info */
167 static GSList *loaded_assembly_bindings = NULL;
170 mono_assembly_invoke_search_hook_internal (MonoAssemblyName *aname, gboolean refonly, gboolean postload);
172 mono_assembly_is_in_gac (const gchar *filanem);
175 encode_public_tok (const guchar *token, gint32 len)
177 const static gchar allowed [] = { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f' };
181 res = g_malloc (len * 2 + 1);
182 for (i = 0; i < len; i++) {
183 res [i * 2] = allowed [token [i] >> 4];
184 res [i * 2 + 1] = allowed [token [i] & 0xF];
191 * mono_public_tokens_are_equal:
192 * @pubt1: first public key token
193 * @pubt2: second public key token
195 * Compare two public key tokens and return #TRUE is they are equal and #FALSE
199 mono_public_tokens_are_equal (const unsigned char *pubt1, const unsigned char *pubt2)
201 return memcmp (pubt1, pubt2, 16) == 0;
205 * mono_set_assemblies_path:
206 * @path: list of paths that contain directories where Mono will look for assemblies
208 * Use this method to override the standard assembly lookup system and
209 * override any assemblies coming from the GAC. This is the method
210 * that supports the MONO_PATH variable.
212 * Notice that MONO_PATH and this method are really a very bad idea as
213 * it prevents the GAC from working and it prevents the standard
214 * resolution mechanisms from working. Nonetheless, for some debugging
215 * situations and bootstrapping setups, this is useful to have.
218 mono_set_assemblies_path (const char* path)
220 char **splitted, **dest;
222 splitted = g_strsplit (path, G_SEARCHPATH_SEPARATOR_S, 1000);
224 g_strfreev (assemblies_path);
225 assemblies_path = dest = splitted;
233 if (g_getenv ("MONO_DEBUG") == NULL)
236 splitted = assemblies_path;
238 if (**splitted && !g_file_test (*splitted, G_FILE_TEST_IS_DIR))
239 g_warning ("'%s' in MONO_PATH doesn't exist or has wrong permissions.", *splitted);
245 /* Native Client can't get this info from an environment variable so */
246 /* it's passed in to the runtime, or set manually by embedding code. */
247 #ifdef __native_client__
248 char* nacl_mono_path = NULL;
252 check_path_env (void)
255 #ifdef __native_client__
256 path = nacl_mono_path;
258 path = g_getenv ("MONO_PATH");
260 if (!path || assemblies_path != NULL)
263 mono_set_assemblies_path(path);
267 check_extra_gac_path_env (void) {
269 char **splitted, **dest;
271 path = g_getenv ("MONO_GAC_PREFIX");
275 splitted = g_strsplit (path, G_SEARCHPATH_SEPARATOR_S, 1000);
277 g_strfreev (extra_gac_paths);
278 extra_gac_paths = dest = splitted;
286 if (g_getenv ("MONO_DEBUG") == NULL)
290 if (**splitted && !g_file_test (*splitted, G_FILE_TEST_IS_DIR))
291 g_warning ("'%s' in MONO_GAC_PREFIX doesn't exist or has wrong permissions.", *splitted);
298 assembly_binding_maps_name (MonoAssemblyBindingInfo *info, MonoAssemblyName *aname)
300 if (!info || !info->name)
303 if (strcmp (info->name, aname->name))
306 if (info->major != aname->major || info->minor != aname->minor)
309 if ((info->culture != NULL && info->culture [0]) != (aname->culture != NULL && aname->culture [0]))
312 if (info->culture && aname->culture && strcmp (info->culture, aname->culture))
315 if (!mono_public_tokens_are_equal (info->public_key_token, aname->public_key_token))
322 mono_assembly_binding_info_free (MonoAssemblyBindingInfo *info)
328 g_free (info->culture);
332 get_publisher_policy_info (MonoImage *image, MonoAssemblyName *aname, MonoAssemblyBindingInfo *binding_info)
335 guint32 cols [MONO_MANIFEST_SIZE];
336 const gchar *filename;
337 gchar *subpath, *fullpath;
339 t = &image->tables [MONO_TABLE_MANIFESTRESOURCE];
340 /* MS Impl. accepts policy assemblies with more than
341 * one manifest resource, and only takes the first one */
343 binding_info->is_valid = FALSE;
347 mono_metadata_decode_row (t, 0, cols, MONO_MANIFEST_SIZE);
348 if ((cols [MONO_MANIFEST_IMPLEMENTATION] & MONO_IMPLEMENTATION_MASK) != MONO_IMPLEMENTATION_FILE) {
349 binding_info->is_valid = FALSE;
353 filename = mono_metadata_string_heap (image, cols [MONO_MANIFEST_NAME]);
354 g_assert (filename != NULL);
356 subpath = g_path_get_dirname (image->name);
357 fullpath = g_build_path (G_DIR_SEPARATOR_S, subpath, filename, NULL);
358 mono_config_parse_publisher_policy (fullpath, binding_info);
362 /* Define the optional elements/attributes before checking */
363 if (!binding_info->culture)
364 binding_info->culture = g_strdup ("");
366 /* Check that the most important elements/attributes exist */
367 if (!binding_info->name || !binding_info->public_key_token [0] || !binding_info->has_old_version_bottom ||
368 !binding_info->has_new_version || !assembly_binding_maps_name (binding_info, aname)) {
369 mono_assembly_binding_info_free (binding_info);
370 binding_info->is_valid = FALSE;
374 binding_info->is_valid = TRUE;
378 compare_versions (AssemblyVersionSet *v, MonoAssemblyName *aname)
380 if (v->major > aname->major)
382 else if (v->major < aname->major)
385 if (v->minor > aname->minor)
387 else if (v->minor < aname->minor)
390 if (v->build > aname->build)
392 else if (v->build < aname->build)
395 if (v->revision > aname->revision)
397 else if (v->revision < aname->revision)
404 check_policy_versions (MonoAssemblyBindingInfo *info, MonoAssemblyName *name)
409 /* If has_old_version_top doesn't exist, we don't have an interval */
410 if (!info->has_old_version_top) {
411 if (compare_versions (&info->old_version_bottom, name) == 0)
417 /* Check that the version defined by name is valid for the interval */
418 if (compare_versions (&info->old_version_top, name) < 0)
421 /* We should be greater or equal than the small version */
422 if (compare_versions (&info->old_version_bottom, name) > 0)
429 * mono_assembly_names_equal:
431 * @r: second assembly.
433 * Compares two MonoAssemblyNames and returns whether they are equal.
435 * This compares the names, the cultures, the release version and their
438 * Returns: TRUE if both assembly names are equal.
441 mono_assembly_names_equal (MonoAssemblyName *l, MonoAssemblyName *r)
443 if (!l->name || !r->name)
446 if (strcmp (l->name, r->name))
449 if (l->culture && r->culture && strcmp (l->culture, r->culture))
452 if (l->major != r->major || l->minor != r->minor ||
453 l->build != r->build || l->revision != r->revision)
454 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)))
457 if (!l->public_key_token [0] || !r->public_key_token [0])
460 if (!mono_public_tokens_are_equal (l->public_key_token, r->public_key_token))
466 static MonoAssembly *
467 load_in_path (const char *basename, const char** search_path, MonoImageOpenStatus *status, MonoBoolean refonly)
471 MonoAssembly *result;
473 for (i = 0; search_path [i]; ++i) {
474 fullpath = g_build_filename (search_path [i], basename, NULL);
475 result = mono_assembly_open_full (fullpath, status, refonly);
484 * mono_assembly_setrootdir:
485 * @root_dir: The pathname of the root directory where we will locate assemblies
487 * This routine sets the internal default root directory for looking up
490 * This is used by Windows installations to compute dynamically the
491 * place where the Mono assemblies are located.
495 mono_assembly_setrootdir (const char *root_dir)
498 * Override the MONO_ASSEMBLIES directory configured at compile time.
500 /* Leak if called more than once */
501 default_path [0] = g_strdup (root_dir);
505 * mono_assembly_getrootdir:
507 * Obtains the root directory used for looking up assemblies.
509 * Returns: a string with the directory, this string should not be freed.
511 G_CONST_RETURN gchar *
512 mono_assembly_getrootdir (void)
514 return default_path [0];
519 * @assembly_dir: the base directory for assemblies
520 * @config_dir: the base directory for configuration files
522 * This routine is used internally and by developers embedding
523 * the runtime into their own applications.
525 * There are a number of cases to consider: Mono as a system-installed
526 * package that is available on the location preconfigured or Mono in
527 * a relocated location.
529 * If you are using a system-installed Mono, you can pass NULL
530 * to both parameters. If you are not, you should compute both
531 * directory values and call this routine.
533 * The values for a given PREFIX are:
535 * assembly_dir: PREFIX/lib
536 * config_dir: PREFIX/etc
538 * Notice that embedders that use Mono in a relocated way must
539 * compute the location at runtime, as they will be in control
540 * of where Mono is installed.
543 mono_set_dirs (const char *assembly_dir, const char *config_dir)
545 #if defined (MONO_ASSEMBLIES)
546 if (assembly_dir == NULL)
547 assembly_dir = MONO_ASSEMBLIES;
549 #if defined (MONO_CFG_DIR)
550 if (config_dir == NULL)
551 config_dir = MONO_CFG_DIR;
553 mono_assembly_setrootdir (assembly_dir);
554 mono_set_config_dir (config_dir);
560 compute_base (char *path)
562 char *p = strrchr (path, '/');
566 /* Not a well known Mono executable, we are embedded, cant guess the base */
567 if (strcmp (p, "/mono") && strcmp (p, "/monodis") && strcmp (p, "/mint") && strcmp (p, "/monodiet"))
571 p = strrchr (path, '/');
575 if (strcmp (p, "/bin") != 0)
584 mono_set_dirs (MONO_ASSEMBLIES, MONO_CFG_DIR);
591 char *config, *lib, *mono;
595 * Only /usr prefix is treated specially
597 if (strncmp (exe, MONO_BINDIR, strlen (MONO_BINDIR)) == 0 || (base = compute_base (exe)) == NULL){
602 config = g_build_filename (base, "etc", NULL);
603 lib = g_build_filename (base, "lib", NULL);
604 mono = g_build_filename (lib, "mono/2.0", NULL);
605 if (stat (mono, &buf) == -1)
608 mono_set_dirs (lib, config);
616 #endif /* HOST_WIN32 */
621 * Registers the root directory for the Mono runtime, for Linux and Solaris 10,
622 * this auto-detects the prefix where Mono was installed.
625 mono_set_rootdir (void)
627 #if defined(HOST_WIN32) || (defined(PLATFORM_MACOSX) && !defined(TARGET_ARM))
628 gchar *bindir, *installdir, *root, *name, *resolvedname, *config;
631 name = mono_get_module_file_name ((HMODULE) &__ImageBase);
635 * _NSGetExecutablePath may return -1 to indicate buf is not large
636 * enough, but we ignore that case to avoid having to do extra dynamic
637 * allocation for the path and hope that 4096 is enough - this is
638 * ok in the Linux/Solaris case below at least...
642 guint buf_size = sizeof (buf);
644 if (_NSGetExecutablePath (buf, &buf_size) == 0)
645 name = g_strdup (buf);
654 resolvedname = mono_path_resolve_symlinks (name);
656 bindir = g_path_get_dirname (resolvedname);
657 installdir = g_path_get_dirname (bindir);
658 root = g_build_path (G_DIR_SEPARATOR_S, installdir, "lib", NULL);
660 config = g_build_filename (root, "..", "etc", NULL);
662 mono_set_dirs (root, config);
664 if (g_file_test (root, G_FILE_TEST_EXISTS) && g_file_test (config, G_FILE_TEST_EXISTS))
665 mono_set_dirs (root, config);
675 g_free (resolvedname);
676 #elif defined(DISABLE_MONO_AUTODETECTION)
684 s = readlink ("/proc/self/exe", buf, sizeof (buf)-1);
692 /* Solaris 10 style */
693 str = g_strdup_printf ("/proc/%d/path/a.out", getpid ());
694 s = readlink (str, buf, sizeof (buf)-1);
706 * mono_assemblies_init:
708 * Initialize global variables used by this module.
711 mono_assemblies_init (void)
714 * Initialize our internal paths if we have not been initialized yet.
715 * This happens when embedders use Mono.
717 if (mono_assembly_getrootdir () == NULL)
721 check_extra_gac_path_env ();
723 InitializeCriticalSection (&assemblies_mutex);
727 mono_assembly_fill_assembly_name (MonoImage *image, MonoAssemblyName *aname)
729 MonoTableInfo *t = &image->tables [MONO_TABLE_ASSEMBLY];
730 guint32 cols [MONO_ASSEMBLY_SIZE];
735 mono_metadata_decode_row (t, 0, cols, MONO_ASSEMBLY_SIZE);
738 aname->hash_value = NULL;
739 aname->name = mono_metadata_string_heap (image, cols [MONO_ASSEMBLY_NAME]);
740 aname->culture = mono_metadata_string_heap (image, cols [MONO_ASSEMBLY_CULTURE]);
741 aname->flags = cols [MONO_ASSEMBLY_FLAGS];
742 aname->major = cols [MONO_ASSEMBLY_MAJOR_VERSION];
743 aname->minor = cols [MONO_ASSEMBLY_MINOR_VERSION];
744 aname->build = cols [MONO_ASSEMBLY_BUILD_NUMBER];
745 aname->revision = cols [MONO_ASSEMBLY_REV_NUMBER];
746 aname->hash_alg = cols [MONO_ASSEMBLY_HASH_ALG];
747 if (cols [MONO_ASSEMBLY_PUBLIC_KEY]) {
748 guchar* token = g_malloc (8);
753 pkey = mono_metadata_blob_heap (image, cols [MONO_ASSEMBLY_PUBLIC_KEY]);
754 len = mono_metadata_decode_blob_size (pkey, &pkey);
755 aname->public_key = (guchar*)pkey;
757 mono_digest_get_public_token (token, aname->public_key, len);
758 encoded = encode_public_tok (token, 8);
759 g_strlcpy ((char*)aname->public_key_token, encoded, MONO_PUBLIC_KEY_TOKEN_LENGTH);
765 aname->public_key = NULL;
766 memset (aname->public_key_token, 0, MONO_PUBLIC_KEY_TOKEN_LENGTH);
769 if (cols [MONO_ASSEMBLY_PUBLIC_KEY]) {
770 aname->public_key = (guchar*)mono_metadata_blob_heap (image, cols [MONO_ASSEMBLY_PUBLIC_KEY]);
773 aname->public_key = 0;
779 * mono_stringify_assembly_name:
780 * @aname: the assembly name.
782 * Convert @aname into its string format. The returned string is dynamically
783 * allocated and should be freed by the caller.
785 * Returns: a newly allocated string with a string representation of
789 mono_stringify_assembly_name (MonoAssemblyName *aname)
791 const char *quote = (aname->name && g_ascii_isspace (aname->name [0])) ? "\"" : "";
793 return g_strdup_printf (
794 "%s%s%s, Version=%d.%d.%d.%d, Culture=%s, PublicKeyToken=%s%s",
795 quote, aname->name, quote,
796 aname->major, aname->minor, aname->build, aname->revision,
797 aname->culture && *aname->culture? aname->culture: "neutral",
798 aname->public_key_token [0] ? (char *)aname->public_key_token : "null",
799 (aname->flags & ASSEMBLYREF_RETARGETABLE_FLAG) ? ", Retargetable=Yes" : "");
803 assemblyref_public_tok (MonoImage *image, guint32 key_index, guint32 flags)
805 const gchar *public_tok;
808 public_tok = mono_metadata_blob_heap (image, key_index);
809 len = mono_metadata_decode_blob_size (public_tok, &public_tok);
811 if (flags & ASSEMBLYREF_FULL_PUBLIC_KEY_FLAG) {
813 mono_digest_get_public_token (token, (guchar*)public_tok, len);
814 return encode_public_tok (token, 8);
817 return encode_public_tok ((guchar*)public_tok, len);
821 * mono_assembly_addref:
822 * @assemnly: the assembly to reference
824 * This routine increments the reference count on a MonoAssembly.
825 * The reference count is reduced every time the method mono_assembly_close() is
829 mono_assembly_addref (MonoAssembly *assembly)
831 InterlockedIncrement (&assembly->ref_count);
834 #ifndef DISABLE_ASSEMBLY_REMAPPING
835 static MonoAssemblyName *
836 mono_assembly_remap_version (MonoAssemblyName *aname, MonoAssemblyName *dest_aname)
838 const MonoRuntimeInfo *current_runtime;
839 int pos, first, last;
841 if (aname->name == NULL) return aname;
842 current_runtime = mono_get_runtime_info ();
845 last = G_N_ELEMENTS (framework_assemblies) - 1;
847 while (first <= last) {
849 pos = first + (last - first) / 2;
850 res = strcmp (aname->name, framework_assemblies[pos].assembly_name);
852 const AssemblyVersionSet* vset;
853 int index = framework_assemblies[pos].version_set_index;
854 g_assert (index < G_N_ELEMENTS (current_runtime->version_sets));
855 vset = ¤t_runtime->version_sets [index];
857 if (aname->major == vset->major && aname->minor == vset->minor &&
858 aname->build == vset->build && aname->revision == vset->revision)
861 if ((aname->major | aname->minor | aname->build | aname->revision) != 0)
862 mono_trace (G_LOG_LEVEL_WARNING, MONO_TRACE_ASSEMBLY,
863 "The request to load the assembly %s v%d.%d.%d.%d was remapped to v%d.%d.%d.%d",
865 aname->major, aname->minor, aname->build, aname->revision,
866 vset->major, vset->minor, vset->build, vset->revision
869 memcpy (dest_aname, aname, sizeof(MonoAssemblyName));
870 dest_aname->major = vset->major;
871 dest_aname->minor = vset->minor;
872 dest_aname->build = vset->build;
873 dest_aname->revision = vset->revision;
875 } else if (res < 0) {
886 * mono_assembly_get_assemblyref:
888 * Fill out ANAME with the assembly name of the INDEXth assembly reference in IMAGE.
891 mono_assembly_get_assemblyref (MonoImage *image, int index, MonoAssemblyName *aname)
894 guint32 cols [MONO_ASSEMBLYREF_SIZE];
897 t = &image->tables [MONO_TABLE_ASSEMBLYREF];
899 mono_metadata_decode_row (t, index, cols, MONO_ASSEMBLYREF_SIZE);
901 hash = mono_metadata_blob_heap (image, cols [MONO_ASSEMBLYREF_HASH_VALUE]);
902 aname->hash_len = mono_metadata_decode_blob_size (hash, &hash);
903 aname->hash_value = hash;
904 aname->name = mono_metadata_string_heap (image, cols [MONO_ASSEMBLYREF_NAME]);
905 aname->culture = mono_metadata_string_heap (image, cols [MONO_ASSEMBLYREF_CULTURE]);
906 aname->flags = cols [MONO_ASSEMBLYREF_FLAGS];
907 aname->major = cols [MONO_ASSEMBLYREF_MAJOR_VERSION];
908 aname->minor = cols [MONO_ASSEMBLYREF_MINOR_VERSION];
909 aname->build = cols [MONO_ASSEMBLYREF_BUILD_NUMBER];
910 aname->revision = cols [MONO_ASSEMBLYREF_REV_NUMBER];
912 if (cols [MONO_ASSEMBLYREF_PUBLIC_KEY]) {
913 gchar *token = assemblyref_public_tok (image, cols [MONO_ASSEMBLYREF_PUBLIC_KEY], aname->flags);
914 g_strlcpy ((char*)aname->public_key_token, token, MONO_PUBLIC_KEY_TOKEN_LENGTH);
917 memset (aname->public_key_token, 0, MONO_PUBLIC_KEY_TOKEN_LENGTH);
922 mono_assembly_load_reference (MonoImage *image, int index)
924 MonoAssembly *reference;
925 MonoAssemblyName aname;
926 MonoImageOpenStatus status;
929 * image->references is shared between threads, so we need to access
930 * it inside a critical section.
932 mono_assemblies_lock ();
933 if (!image->references) {
934 MonoTableInfo *t = &image->tables [MONO_TABLE_ASSEMBLYREF];
936 image->references = g_new0 (MonoAssembly *, t->rows + 1);
938 reference = image->references [index];
939 mono_assemblies_unlock ();
943 mono_assembly_get_assemblyref (image, index, &aname);
945 if (image->assembly && image->assembly->ref_only) {
946 /* We use the loaded corlib */
947 if (!strcmp (aname.name, "mscorlib"))
948 reference = mono_assembly_load_full (&aname, image->assembly->basedir, &status, FALSE);
950 reference = mono_assembly_loaded_full (&aname, TRUE);
952 /* Try a postload search hook */
953 reference = mono_assembly_invoke_search_hook_internal (&aname, TRUE, TRUE);
957 * Here we must advice that the error was due to
958 * a non loaded reference using the ReflectionOnly api
961 reference = REFERENCE_MISSING;
963 reference = mono_assembly_load (&aname, image->assembly? image->assembly->basedir: NULL, &status);
965 if (reference == NULL){
968 if (status == MONO_IMAGE_ERROR_ERRNO && errno == ENOENT) {
969 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 : "" );
970 } else if (status == MONO_IMAGE_ERROR_ERRNO) {
971 extra_msg = g_strdup_printf ("System error: %s\n", strerror (errno));
972 } else if (status == MONO_IMAGE_MISSING_ASSEMBLYREF) {
973 extra_msg = g_strdup ("Cannot find an assembly referenced from this one.\n");
974 } else if (status == MONO_IMAGE_IMAGE_INVALID) {
975 extra_msg = g_strdup ("The file exists but is not a valid assembly.\n");
977 extra_msg = g_strdup ("");
980 mono_trace (G_LOG_LEVEL_WARNING, MONO_TRACE_ASSEMBLY, "The following assembly referenced from %s could not be loaded:\n"
981 " Assembly: %s (assemblyref_index=%d)\n"
982 " Version: %d.%d.%d.%d\n"
983 " Public Key: %s\n%s",
984 image->name, aname.name, index,
985 aname.major, aname.minor, aname.build, aname.revision,
986 strlen ((char*)aname.public_key_token) == 0 ? "(none)" : (char*)aname.public_key_token, extra_msg);
990 mono_assemblies_lock ();
991 if (reference == NULL) {
992 /* Flag as not found */
993 reference = REFERENCE_MISSING;
996 if (!image->references [index]) {
997 if (reference != REFERENCE_MISSING){
998 mono_assembly_addref (reference);
1000 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_ASSEMBLY, "Assembly Ref addref %s[%p] -> %s[%p]: %d",
1001 image->assembly->aname.name, image->assembly, reference->aname.name, reference, reference->ref_count);
1003 if (image->assembly)
1004 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_ASSEMBLY, "Failed to load assembly %s[%p]\n",
1005 image->assembly->aname.name, image->assembly);
1008 image->references [index] = reference;
1010 mono_assemblies_unlock ();
1012 if (image->references [index] != reference) {
1013 /* Somebody loaded it before us */
1014 mono_assembly_close (reference);
1019 mono_assembly_load_references (MonoImage *image, MonoImageOpenStatus *status)
1021 /* This is a no-op now but it is part of the embedding API so we can't remove it */
1022 *status = MONO_IMAGE_OK;
1025 typedef struct AssemblyLoadHook AssemblyLoadHook;
1026 struct AssemblyLoadHook {
1027 AssemblyLoadHook *next;
1028 MonoAssemblyLoadFunc func;
1032 AssemblyLoadHook *assembly_load_hook = NULL;
1035 mono_assembly_invoke_load_hook (MonoAssembly *ass)
1037 AssemblyLoadHook *hook;
1039 for (hook = assembly_load_hook; hook; hook = hook->next) {
1040 hook->func (ass, hook->user_data);
1045 mono_install_assembly_load_hook (MonoAssemblyLoadFunc func, gpointer user_data)
1047 AssemblyLoadHook *hook;
1049 g_return_if_fail (func != NULL);
1051 hook = g_new0 (AssemblyLoadHook, 1);
1053 hook->user_data = user_data;
1054 hook->next = assembly_load_hook;
1055 assembly_load_hook = hook;
1059 free_assembly_load_hooks (void)
1061 AssemblyLoadHook *hook, *next;
1063 for (hook = assembly_load_hook; hook; hook = next) {
1069 typedef struct AssemblySearchHook AssemblySearchHook;
1070 struct AssemblySearchHook {
1071 AssemblySearchHook *next;
1072 MonoAssemblySearchFunc func;
1078 AssemblySearchHook *assembly_search_hook = NULL;
1080 static MonoAssembly*
1081 mono_assembly_invoke_search_hook_internal (MonoAssemblyName *aname, gboolean refonly, gboolean postload)
1083 AssemblySearchHook *hook;
1085 for (hook = assembly_search_hook; hook; hook = hook->next) {
1086 if ((hook->refonly == refonly) && (hook->postload == postload)) {
1087 MonoAssembly *ass = hook->func (aname, hook->user_data);
1097 mono_assembly_invoke_search_hook (MonoAssemblyName *aname)
1099 return mono_assembly_invoke_search_hook_internal (aname, FALSE, FALSE);
1103 mono_install_assembly_search_hook_internal (MonoAssemblySearchFunc func, gpointer user_data, gboolean refonly, gboolean postload)
1105 AssemblySearchHook *hook;
1107 g_return_if_fail (func != NULL);
1109 hook = g_new0 (AssemblySearchHook, 1);
1111 hook->user_data = user_data;
1112 hook->refonly = refonly;
1113 hook->postload = postload;
1114 hook->next = assembly_search_hook;
1115 assembly_search_hook = hook;
1119 mono_install_assembly_search_hook (MonoAssemblySearchFunc func, gpointer user_data)
1121 mono_install_assembly_search_hook_internal (func, user_data, FALSE, FALSE);
1125 free_assembly_search_hooks (void)
1127 AssemblySearchHook *hook, *next;
1129 for (hook = assembly_search_hook; hook; hook = next) {
1136 mono_install_assembly_refonly_search_hook (MonoAssemblySearchFunc func, gpointer user_data)
1138 mono_install_assembly_search_hook_internal (func, user_data, TRUE, FALSE);
1142 mono_install_assembly_postload_search_hook (MonoAssemblySearchFunc func, gpointer user_data)
1144 mono_install_assembly_search_hook_internal (func, user_data, FALSE, TRUE);
1148 mono_install_assembly_postload_refonly_search_hook (MonoAssemblySearchFunc func, gpointer user_data)
1150 mono_install_assembly_search_hook_internal (func, user_data, TRUE, TRUE);
1153 typedef struct AssemblyPreLoadHook AssemblyPreLoadHook;
1154 struct AssemblyPreLoadHook {
1155 AssemblyPreLoadHook *next;
1156 MonoAssemblyPreLoadFunc func;
1160 static AssemblyPreLoadHook *assembly_preload_hook = NULL;
1161 static AssemblyPreLoadHook *assembly_refonly_preload_hook = NULL;
1163 static MonoAssembly *
1164 invoke_assembly_preload_hook (MonoAssemblyName *aname, gchar **assemblies_path)
1166 AssemblyPreLoadHook *hook;
1167 MonoAssembly *assembly;
1169 for (hook = assembly_preload_hook; hook; hook = hook->next) {
1170 assembly = hook->func (aname, assemblies_path, hook->user_data);
1171 if (assembly != NULL)
1178 static MonoAssembly *
1179 invoke_assembly_refonly_preload_hook (MonoAssemblyName *aname, gchar **assemblies_path)
1181 AssemblyPreLoadHook *hook;
1182 MonoAssembly *assembly;
1184 for (hook = assembly_refonly_preload_hook; hook; hook = hook->next) {
1185 assembly = hook->func (aname, assemblies_path, hook->user_data);
1186 if (assembly != NULL)
1194 mono_install_assembly_preload_hook (MonoAssemblyPreLoadFunc func, gpointer user_data)
1196 AssemblyPreLoadHook *hook;
1198 g_return_if_fail (func != NULL);
1200 hook = g_new0 (AssemblyPreLoadHook, 1);
1202 hook->user_data = user_data;
1203 hook->next = assembly_preload_hook;
1204 assembly_preload_hook = hook;
1208 mono_install_assembly_refonly_preload_hook (MonoAssemblyPreLoadFunc func, gpointer user_data)
1210 AssemblyPreLoadHook *hook;
1212 g_return_if_fail (func != NULL);
1214 hook = g_new0 (AssemblyPreLoadHook, 1);
1216 hook->user_data = user_data;
1217 hook->next = assembly_refonly_preload_hook;
1218 assembly_refonly_preload_hook = hook;
1222 free_assembly_preload_hooks (void)
1224 AssemblyPreLoadHook *hook, *next;
1226 for (hook = assembly_preload_hook; hook; hook = next) {
1231 for (hook = assembly_refonly_preload_hook; hook; hook = next) {
1238 absolute_dir (const gchar *filename)
1249 if (g_path_is_absolute (filename)) {
1250 part = g_path_get_dirname (filename);
1251 res = g_strconcat (part, G_DIR_SEPARATOR_S, NULL);
1256 cwd = g_get_current_dir ();
1257 mixed = g_build_filename (cwd, filename, NULL);
1258 parts = g_strsplit (mixed, G_DIR_SEPARATOR_S, 0);
1263 for (i = 0; (part = parts [i]) != NULL; i++) {
1264 if (!strcmp (part, "."))
1267 if (!strcmp (part, "..")) {
1268 if (list && list->next) /* Don't remove root */
1269 list = g_list_delete_link (list, list);
1271 list = g_list_prepend (list, part);
1275 result = g_string_new ("");
1276 list = g_list_reverse (list);
1278 /* Ignores last data pointer, which should be the filename */
1279 for (tmp = list; tmp && tmp->next != NULL; tmp = tmp->next){
1281 g_string_append_printf (result, "%s%c", (char *) tmp->data,
1286 g_string_free (result, FALSE);
1291 return g_strdup (".");
1298 * mono_assembly_open_from_bundle:
1299 * @filename: Filename requested
1300 * @status: return value
1302 * This routine tries to open the assembly specified by `filename' from the
1303 * defined bundles, if found, returns the MonoImage for it, if not found
1307 mono_assembly_open_from_bundle (const char *filename, MonoImageOpenStatus *status, gboolean refonly)
1311 MonoImage *image = NULL;
1314 * we do a very simple search for bundled assemblies: it's not a general
1315 * purpose assembly loading mechanism.
1321 name = g_path_get_basename (filename);
1323 mono_assemblies_lock ();
1324 for (i = 0; !image && bundles [i]; ++i) {
1325 if (strcmp (bundles [i]->name, name) == 0) {
1326 image = mono_image_open_from_data_with_name ((char*)bundles [i]->data, bundles [i]->size, FALSE, status, refonly, name);
1330 mono_assemblies_unlock ();
1333 mono_image_addref (image);
1340 mono_assembly_open_full (const char *filename, MonoImageOpenStatus *status, gboolean refonly)
1344 MonoImageOpenStatus def_status;
1348 g_return_val_if_fail (filename != NULL, NULL);
1351 status = &def_status;
1352 *status = MONO_IMAGE_OK;
1354 if (strncmp (filename, "file://", 7) == 0) {
1355 GError *error = NULL;
1356 gchar *uri = (gchar *) filename;
1360 * MS allows file://c:/... and fails on file://localhost/c:/...
1361 * They also throw an IndexOutOfRangeException if "file://"
1364 uri = g_strdup_printf ("file:///%s", uri + 7);
1367 uri = mono_escape_uri_string (tmpuri);
1368 fname = g_filename_from_uri (uri, NULL, &error);
1371 if (tmpuri != filename)
1374 if (error != NULL) {
1375 g_warning ("%s\n", error->message);
1376 g_error_free (error);
1377 fname = g_strdup (filename);
1380 fname = g_strdup (filename);
1383 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_ASSEMBLY,
1384 "Assembly Loader probing location: '%s'.", fname);
1387 if (!mono_assembly_is_in_gac (fname))
1388 new_fname = mono_make_shadow_copy (fname);
1389 if (new_fname && new_fname != fname) {
1392 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_ASSEMBLY,
1393 "Assembly Loader shadow-copied assembly to: '%s'.", fname);
1398 if (bundles != NULL)
1399 image = mono_assembly_open_from_bundle (fname, status, refonly);
1402 image = mono_image_open_full (fname, status, refonly);
1405 if (*status == MONO_IMAGE_OK)
1406 *status = MONO_IMAGE_ERROR_ERRNO;
1411 if (image->assembly) {
1412 /* Already loaded by another appdomain */
1413 mono_assembly_invoke_load_hook (image->assembly);
1414 mono_image_close (image);
1416 return image->assembly;
1419 ass = mono_assembly_load_from_full (image, fname, status, refonly);
1422 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_ASSEMBLY,
1423 "Assembly Loader loaded assembly from location: '%s'.", filename);
1425 mono_config_for_assembly (ass->image);
1428 /* Clear the reference added by mono_image_open */
1429 mono_image_close (image);
1437 free_item (gpointer val, gpointer user_data)
1443 * mono_assembly_load_friends:
1446 * Load the list of friend assemblies that are allowed to access
1447 * the assembly's internal types and members. They are stored as assembly
1448 * names in custom attributes.
1450 * This is an internal method, we need this because when we load mscorlib
1451 * we do not have the mono_defaults.internals_visible_class loaded yet,
1452 * so we need to load these after we initialize the runtime.
1454 * LOCKING: Acquires the assemblies lock plus the loader lock.
1457 mono_assembly_load_friends (MonoAssembly* ass)
1460 MonoCustomAttrInfo* attrs;
1463 if (ass->friend_assembly_names_inited)
1466 attrs = mono_custom_attrs_from_assembly (ass);
1468 mono_assemblies_lock ();
1469 ass->friend_assembly_names_inited = TRUE;
1470 mono_assemblies_unlock ();
1474 mono_assemblies_lock ();
1475 if (ass->friend_assembly_names_inited) {
1476 mono_assemblies_unlock ();
1479 mono_assemblies_unlock ();
1483 * We build the list outside the assemblies lock, the worse that can happen
1484 * is that we'll need to free the allocated list.
1486 for (i = 0; i < attrs->num_attrs; ++i) {
1487 MonoCustomAttrEntry *attr = &attrs->attrs [i];
1488 MonoAssemblyName *aname;
1491 /* Do some sanity checking */
1492 if (!attr->ctor || attr->ctor->klass != mono_defaults.internals_visible_class)
1494 if (attr->data_size < 4)
1496 data = (const char*)attr->data;
1497 /* 0xFF means null string, see custom attr format */
1498 if (data [0] != 1 || data [1] != 0 || (data [2] & 0xFF) == 0xFF)
1500 slen = mono_metadata_decode_value (data + 2, &data);
1501 aname = g_new0 (MonoAssemblyName, 1);
1502 /*g_print ("friend ass: %s\n", data);*/
1503 if (mono_assembly_name_parse_full (data, aname, TRUE, NULL, NULL)) {
1504 list = g_slist_prepend (list, aname);
1509 mono_custom_attrs_free (attrs);
1511 mono_assemblies_lock ();
1512 if (ass->friend_assembly_names_inited) {
1513 mono_assemblies_unlock ();
1514 g_slist_foreach (list, free_item, NULL);
1515 g_slist_free (list);
1518 ass->friend_assembly_names = list;
1520 /* Because of the double checked locking pattern above */
1521 mono_memory_barrier ();
1522 ass->friend_assembly_names_inited = TRUE;
1523 mono_assemblies_unlock ();
1527 * mono_assembly_open:
1528 * @filename: Opens the assembly pointed out by this name
1529 * @status: where a status code can be returned
1531 * mono_assembly_open opens the PE-image pointed by @filename, and
1532 * loads any external assemblies referenced by it.
1534 * Return: a pointer to the MonoAssembly if @filename contains a valid
1535 * assembly or NULL on error. Details about the error are stored in the
1539 mono_assembly_open (const char *filename, MonoImageOpenStatus *status)
1541 return mono_assembly_open_full (filename, status, FALSE);
1545 mono_assembly_load_from_full (MonoImage *image, const char*fname,
1546 MonoImageOpenStatus *status, gboolean refonly)
1548 MonoAssembly *ass, *ass2;
1551 if (!image->tables [MONO_TABLE_ASSEMBLY].rows) {
1552 /* 'image' doesn't have a manifest -- maybe someone is trying to Assembly.Load a .netmodule */
1553 *status = MONO_IMAGE_IMAGE_INVALID;
1557 #if defined (HOST_WIN32)
1562 tmp_fn = g_strdup (fname);
1563 for (i = strlen (tmp_fn) - 1; i >= 0; i--) {
1564 if (tmp_fn [i] == '/')
1568 base_dir = absolute_dir (tmp_fn);
1572 base_dir = absolute_dir (fname);
1576 * Create assembly struct, and enter it into the assembly cache
1578 ass = g_new0 (MonoAssembly, 1);
1579 ass->basedir = base_dir;
1580 ass->ref_only = refonly;
1583 mono_profiler_assembly_event (ass, MONO_PROFILE_START_LOAD);
1585 mono_assembly_fill_assembly_name (image, &ass->aname);
1587 if (mono_defaults.corlib && strcmp (ass->aname.name, "mscorlib") == 0) {
1588 // MS.NET doesn't support loading other mscorlibs
1591 mono_image_addref (mono_defaults.corlib);
1592 *status = MONO_IMAGE_OK;
1593 return mono_defaults.corlib->assembly;
1596 /* Add a non-temporary reference because of ass->image */
1597 mono_image_addref (image);
1599 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_ASSEMBLY, "Image addref %s[%p] -> %s[%p]: %d", ass->aname.name, ass, image->name, image, image->ref_count);
1602 * The load hooks might take locks so we can't call them while holding the
1605 if (ass->aname.name) {
1606 ass2 = mono_assembly_invoke_search_hook_internal (&ass->aname, refonly, FALSE);
1610 mono_image_close (image);
1611 *status = MONO_IMAGE_OK;
1616 mono_assemblies_lock ();
1618 if (image->assembly) {
1620 * This means another thread has already loaded the assembly, but not yet
1621 * called the load hooks so the search hook can't find the assembly.
1623 mono_assemblies_unlock ();
1624 ass2 = image->assembly;
1627 mono_image_close (image);
1628 *status = MONO_IMAGE_OK;
1632 image->assembly = ass;
1634 loaded_assemblies = g_list_prepend (loaded_assemblies, ass);
1635 mono_assemblies_unlock ();
1638 if (image->is_module_handle)
1639 mono_image_fixup_vtable (image);
1642 mono_assembly_invoke_load_hook (ass);
1644 mono_profiler_assembly_loaded (ass, MONO_PROFILE_OK);
1650 mono_assembly_load_from (MonoImage *image, const char *fname,
1651 MonoImageOpenStatus *status)
1653 return mono_assembly_load_from_full (image, fname, status, FALSE);
1657 * mono_assembly_name_free:
1658 * @aname: assembly name to free
1660 * Frees the provided assembly name object.
1661 * (it does not frees the object itself, only the name members).
1664 mono_assembly_name_free (MonoAssemblyName *aname)
1669 g_free ((void *) aname->name);
1670 g_free ((void *) aname->culture);
1671 g_free ((void *) aname->hash_value);
1675 parse_public_key (const gchar *key, gchar** pubkey)
1678 gchar header [16], val, *arr;
1679 gint i, j, offset, bitlen, keylen, pkeylen;
1681 keylen = strlen (key) >> 1;
1685 /* allow the ECMA standard key */
1686 if (strcmp (key, "00000000000000000400000000000000") == 0) {
1688 arr = g_strdup ("b77a5c561934e089");
1693 val = g_ascii_xdigit_value (key [0]) << 4;
1694 val |= g_ascii_xdigit_value (key [1]);
1699 val = g_ascii_xdigit_value (key [24]);
1700 val |= g_ascii_xdigit_value (key [25]);
1712 /* We need the first 16 bytes
1713 * to check whether this key is valid or not */
1714 pkeylen = strlen (pkey) >> 1;
1718 for (i = 0, j = 0; i < 16; i++) {
1719 header [i] = g_ascii_xdigit_value (pkey [j++]) << 4;
1720 header [i] |= g_ascii_xdigit_value (pkey [j++]);
1723 if (header [0] != 0x06 || /* PUBLICKEYBLOB (0x06) */
1724 header [1] != 0x02 || /* Version (0x02) */
1725 header [2] != 0x00 || /* Reserved (word) */
1726 header [3] != 0x00 ||
1727 (guint)(read32 (header + 8)) != 0x31415352) /* DWORD magic = RSA1 */
1730 /* Based on this length, we _should_ be able to know if the length is right */
1731 bitlen = read32 (header + 12) >> 3;
1732 if ((bitlen + 16 + 4) != pkeylen)
1735 /* parsing is OK and the public key itself is not requested back */
1739 /* Encode the size of the blob */
1741 if (keylen <= 127) {
1742 arr = g_malloc (keylen + 1);
1743 arr [offset++] = keylen;
1745 arr = g_malloc (keylen + 2);
1746 arr [offset++] = 0x80; /* 10bs */
1747 arr [offset++] = keylen;
1750 for (i = offset, j = 0; i < keylen + offset; i++) {
1751 arr [i] = g_ascii_xdigit_value (key [j++]) << 4;
1752 arr [i] |= g_ascii_xdigit_value (key [j++]);
1761 build_assembly_name (const char *name, const char *version, const char *culture, const char *token, const char *key, guint32 flags, guint32 arch, MonoAssemblyName *aname, gboolean save_public_key)
1763 gint major, minor, build, revision;
1766 gchar *pkey, *pkeyptr, *encoded, tok [8];
1768 memset (aname, 0, sizeof (MonoAssemblyName));
1771 version_parts = sscanf (version, "%u.%u.%u.%u", &major, &minor, &build, &revision);
1772 if (version_parts < 2 || version_parts > 4)
1775 /* FIXME: we should set build & revision to -1 (instead of 0)
1776 if these are not set in the version string. That way, later on,
1777 we can still determine if these were specified. */
1778 aname->major = major;
1779 aname->minor = minor;
1780 if (version_parts >= 3)
1781 aname->build = build;
1784 if (version_parts == 4)
1785 aname->revision = revision;
1787 aname->revision = 0;
1790 aname->flags = flags;
1792 aname->name = g_strdup (name);
1795 if (g_ascii_strcasecmp (culture, "neutral") == 0)
1796 aname->culture = g_strdup ("");
1798 aname->culture = g_strdup (culture);
1801 if (token && strncmp (token, "null", 4) != 0) {
1804 /* the constant includes the ending NULL, hence the -1 */
1805 if (strlen (token) != (MONO_PUBLIC_KEY_TOKEN_LENGTH - 1)) {
1806 mono_assembly_name_free (aname);
1809 lower = g_ascii_strdown (token, MONO_PUBLIC_KEY_TOKEN_LENGTH);
1810 g_strlcpy ((char*)aname->public_key_token, lower, MONO_PUBLIC_KEY_TOKEN_LENGTH);
1815 if (strcmp (key, "null") == 0 || !parse_public_key (key, &pkey)) {
1816 mono_assembly_name_free (aname);
1820 len = mono_metadata_decode_blob_size ((const gchar *) pkey, (const gchar **) &pkeyptr);
1821 // We also need to generate the key token
1822 mono_digest_get_public_token ((guchar*) tok, (guint8*) pkeyptr, len);
1823 encoded = encode_public_tok ((guchar*) tok, 8);
1824 g_strlcpy ((gchar*)aname->public_key_token, encoded, MONO_PUBLIC_KEY_TOKEN_LENGTH);
1827 if (save_public_key)
1828 aname->public_key = (guint8*) pkey;
1837 parse_assembly_directory_name (const char *name, const char *dirname, MonoAssemblyName *aname)
1842 parts = g_strsplit (dirname, "_", 3);
1843 if (!parts || !parts[0] || !parts[1] || !parts[2]) {
1848 res = build_assembly_name (name, parts[0], parts[1], parts[2], NULL, 0, 0, aname, FALSE);
1854 mono_assembly_name_parse_full (const char *name, MonoAssemblyName *aname, gboolean save_public_key, gboolean *is_version_defined, gboolean *is_token_defined)
1857 gchar *version = NULL;
1858 gchar *culture = NULL;
1859 gchar *token = NULL;
1861 gchar *retargetable = NULL;
1866 gboolean version_defined;
1867 gboolean token_defined;
1869 guint32 arch = MONO_PROCESSOR_ARCHITECTURE_NONE;
1871 if (!is_version_defined)
1872 is_version_defined = &version_defined;
1873 *is_version_defined = FALSE;
1874 if (!is_token_defined)
1875 is_token_defined = &token_defined;
1876 *is_token_defined = FALSE;
1878 parts = tmp = g_strsplit (name, ",", 6);
1879 if (!tmp || !*tmp) {
1884 dllname = g_strstrip (*tmp);
1889 value = g_strstrip (*tmp);
1890 if (!g_ascii_strncasecmp (value, "Version=", 8)) {
1891 *is_version_defined = TRUE;
1892 version = g_strstrip (value + 8);
1893 if (strlen (version) == 0) {
1894 goto cleanup_and_fail;
1900 if (!g_ascii_strncasecmp (value, "Culture=", 8)) {
1901 culture = g_strstrip (value + 8);
1902 if (strlen (culture) == 0) {
1903 goto cleanup_and_fail;
1909 if (!g_ascii_strncasecmp (value, "PublicKeyToken=", 15)) {
1910 *is_token_defined = TRUE;
1911 token = g_strstrip (value + 15);
1912 if (strlen (token) == 0) {
1913 goto cleanup_and_fail;
1919 if (!g_ascii_strncasecmp (value, "PublicKey=", 10)) {
1920 key = g_strstrip (value + 10);
1921 if (strlen (key) == 0) {
1922 goto cleanup_and_fail;
1928 if (!g_ascii_strncasecmp (value, "Retargetable=", 13)) {
1929 retargetable = g_strstrip (value + 13);
1930 if (strlen (retargetable) == 0) {
1931 goto cleanup_and_fail;
1933 if (!g_ascii_strcasecmp (retargetable, "yes")) {
1934 flags |= ASSEMBLYREF_RETARGETABLE_FLAG;
1935 } else if (g_ascii_strcasecmp (retargetable, "no")) {
1936 goto cleanup_and_fail;
1942 if (!g_ascii_strncasecmp (value, "ProcessorArchitecture=", 22)) {
1943 char *s = g_strstrip (value + 22);
1944 if (!g_ascii_strcasecmp (s, "None"))
1945 arch = MONO_PROCESSOR_ARCHITECTURE_NONE;
1946 else if (!g_ascii_strcasecmp (s, "MSIL"))
1947 arch = MONO_PROCESSOR_ARCHITECTURE_MSIL;
1948 else if (!g_ascii_strcasecmp (s, "X86"))
1949 arch = MONO_PROCESSOR_ARCHITECTURE_X86;
1950 else if (!g_ascii_strcasecmp (s, "IA64"))
1951 arch = MONO_PROCESSOR_ARCHITECTURE_IA64;
1952 else if (!g_ascii_strcasecmp (s, "AMD64"))
1953 arch = MONO_PROCESSOR_ARCHITECTURE_AMD64;
1955 goto cleanup_and_fail;
1964 /* if retargetable flag is set, then we must have a fully qualified name */
1965 if (retargetable != NULL && (version == NULL || culture == NULL || (key == NULL && token == NULL))) {
1966 goto cleanup_and_fail;
1969 res = build_assembly_name (dllname, version, culture, token, key, flags, arch,
1970 aname, save_public_key);
1980 * mono_assembly_name_parse:
1981 * @name: name to parse
1982 * @aname: the destination assembly name
1984 * Parses an assembly qualified type name and assigns the name,
1985 * version, culture and token to the provided assembly name object.
1987 * Returns: true if the name could be parsed.
1990 mono_assembly_name_parse (const char *name, MonoAssemblyName *aname)
1992 return mono_assembly_name_parse_full (name, aname, FALSE, NULL, NULL);
1996 * mono_assembly_name_new:
1997 * @name: name to parse
1999 * Allocate a new MonoAssemblyName and fill its values from the
2002 * Returns: a newly allocated structure or NULL if there was any failure.
2005 mono_assembly_name_new (const char *name)
2007 MonoAssemblyName *aname = g_new0 (MonoAssemblyName, 1);
2008 if (mono_assembly_name_parse (name, aname))
2015 mono_assembly_name_get_name (MonoAssemblyName *aname)
2021 mono_assembly_name_get_culture (MonoAssemblyName *aname)
2023 return aname->culture;
2027 mono_assembly_name_get_pubkeytoken (MonoAssemblyName *aname)
2029 if (aname->public_key_token [0])
2030 return aname->public_key_token;
2035 mono_assembly_name_get_version (MonoAssemblyName *aname, uint16_t *minor, uint16_t *build, uint16_t *revision)
2038 *minor = aname->minor;
2040 *build = aname->build;
2042 *revision = aname->revision;
2043 return aname->major;
2046 static MonoAssembly*
2047 probe_for_partial_name (const char *basepath, const char *fullname, MonoAssemblyName *aname, MonoImageOpenStatus *status)
2049 gchar *fullpath = NULL;
2051 const char* direntry;
2052 MonoAssemblyName gac_aname;
2053 gint major=-1, minor=0, build=0, revision=0;
2054 gboolean exact_version;
2056 dirhandle = g_dir_open (basepath, 0, NULL);
2060 exact_version = (aname->major | aname->minor | aname->build | aname->revision) != 0;
2062 while ((direntry = g_dir_read_name (dirhandle))) {
2063 gboolean match = TRUE;
2065 if(!parse_assembly_directory_name (aname->name, direntry, &gac_aname))
2068 if (aname->culture != NULL && strcmp (aname->culture, gac_aname.culture) != 0)
2071 if (match && strlen ((char*)aname->public_key_token) > 0 &&
2072 !mono_public_tokens_are_equal (aname->public_key_token, gac_aname.public_key_token))
2076 if (exact_version) {
2077 match = (aname->major == gac_aname.major && aname->minor == gac_aname.minor &&
2078 aname->build == gac_aname.build && aname->revision == gac_aname.revision);
2080 else if (gac_aname.major < major)
2082 else if (gac_aname.major == major) {
2083 if (gac_aname.minor < minor)
2085 else if (gac_aname.minor == minor) {
2086 if (gac_aname.build < build)
2088 else if (gac_aname.build == build && gac_aname.revision <= revision)
2095 major = gac_aname.major;
2096 minor = gac_aname.minor;
2097 build = gac_aname.build;
2098 revision = gac_aname.revision;
2100 fullpath = g_build_path (G_DIR_SEPARATOR_S, basepath, direntry, fullname, NULL);
2103 mono_assembly_name_free (&gac_aname);
2106 g_dir_close (dirhandle);
2108 if (fullpath == NULL)
2111 MonoAssembly *res = mono_assembly_open (fullpath, status);
2118 mono_assembly_load_with_partial_name (const char *name, MonoImageOpenStatus *status)
2121 MonoAssemblyName *aname, base_name;
2122 #ifndef DISABLE_ASSEMBLY_REMAPPING
2123 MonoAssemblyName maped_aname;
2125 gchar *fullname, *gacpath;
2128 memset (&base_name, 0, sizeof (MonoAssemblyName));
2131 if (!mono_assembly_name_parse (name, aname))
2134 #ifndef DISABLE_ASSEMBLY_REMAPPING
2136 * If no specific version has been requested, make sure we load the
2137 * correct version for system assemblies.
2139 if ((aname->major | aname->minor | aname->build | aname->revision) == 0)
2140 aname = mono_assembly_remap_version (aname, &maped_aname);
2143 res = mono_assembly_loaded (aname);
2145 mono_assembly_name_free (aname);
2149 res = invoke_assembly_preload_hook (aname, assemblies_path);
2151 res->in_gac = FALSE;
2152 mono_assembly_name_free (aname);
2156 fullname = g_strdup_printf ("%s.dll", aname->name);
2158 if (extra_gac_paths) {
2159 paths = extra_gac_paths;
2160 while (!res && *paths) {
2161 gacpath = g_build_path (G_DIR_SEPARATOR_S, *paths, "lib", "mono", "gac", aname->name, NULL);
2162 res = probe_for_partial_name (gacpath, fullname, aname, status);
2171 mono_assembly_name_free (aname);
2175 gacpath = g_build_path (G_DIR_SEPARATOR_S, mono_assembly_getrootdir (), "mono", "gac", aname->name, NULL);
2176 res = probe_for_partial_name (gacpath, fullname, aname, status);
2182 MonoDomain *domain = mono_domain_get ();
2183 MonoReflectionAssembly *refasm = mono_try_assembly_resolve (domain, mono_string_new (domain, name), FALSE);
2185 res = refasm->assembly;
2189 mono_assembly_name_free (aname);
2195 mono_assembly_is_in_gac (const gchar *filename)
2197 const gchar *rootdir;
2201 if (filename == NULL)
2204 for (paths = extra_gac_paths; paths && *paths; paths++) {
2205 if (strstr (*paths, filename) != *paths)
2208 gp = (gchar *) (filename + strlen (*paths));
2209 if (*gp != G_DIR_SEPARATOR)
2212 if (strncmp (gp, "lib", 3))
2215 if (*gp != G_DIR_SEPARATOR)
2218 if (strncmp (gp, "mono", 4))
2221 if (*gp != G_DIR_SEPARATOR)
2224 if (strncmp (gp, "gac", 3))
2227 if (*gp != G_DIR_SEPARATOR)
2233 rootdir = mono_assembly_getrootdir ();
2234 if (strstr (filename, rootdir) != filename)
2237 gp = (gchar *) (filename + strlen (rootdir));
2238 if (*gp != G_DIR_SEPARATOR)
2241 if (strncmp (gp, "mono", 4))
2244 if (*gp != G_DIR_SEPARATOR)
2247 if (strncmp (gp, "gac", 3))
2250 if (*gp != G_DIR_SEPARATOR)
2256 mono_assembly_load_publisher_policy (MonoAssemblyName *aname)
2259 gchar *filename, *pname, *name, *culture, *version, *fullpath, *subpath;
2263 if (strstr (aname->name, ".dll")) {
2264 len = strlen (aname->name) - 4;
2265 name = g_malloc (len);
2266 strncpy (name, aname->name, len);
2268 name = g_strdup (aname->name);
2271 culture = g_utf8_strdown (aname->culture, -1);
2273 culture = g_strdup ("");
2275 pname = g_strdup_printf ("policy.%d.%d.%s", aname->major, aname->minor, name);
2276 version = g_strdup_printf ("0.0.0.0_%s_%s", culture, aname->public_key_token);
2280 filename = g_strconcat (pname, ".dll", NULL);
2281 subpath = g_build_path (G_DIR_SEPARATOR_S, pname, version, filename, NULL);
2287 if (extra_gac_paths) {
2288 paths = extra_gac_paths;
2289 while (!image && *paths) {
2290 fullpath = g_build_path (G_DIR_SEPARATOR_S, *paths,
2291 "lib", "mono", "gac", subpath, NULL);
2292 image = mono_image_open (fullpath, NULL);
2303 fullpath = g_build_path (G_DIR_SEPARATOR_S, mono_assembly_getrootdir (),
2304 "mono", "gac", subpath, NULL);
2305 image = mono_image_open (fullpath, NULL);
2312 static MonoAssemblyName*
2313 mono_assembly_bind_version (MonoAssemblyBindingInfo *info, MonoAssemblyName *aname, MonoAssemblyName *dest_name)
2315 memcpy (dest_name, aname, sizeof (MonoAssemblyName));
2316 dest_name->major = info->new_version.major;
2317 dest_name->minor = info->new_version.minor;
2318 dest_name->build = info->new_version.build;
2319 dest_name->revision = info->new_version.revision;
2324 /* LOCKING: Assumes that we are already locked */
2325 static MonoAssemblyBindingInfo*
2326 search_binding_loaded (MonoAssemblyName *aname)
2330 for (tmp = loaded_assembly_bindings; tmp; tmp = tmp->next) {
2331 MonoAssemblyBindingInfo *info = tmp->data;
2332 if (assembly_binding_maps_name (info, aname))
2339 static inline gboolean
2340 info_compare_versions (AssemblyVersionSet *left, AssemblyVersionSet *right)
2342 if (left->major != right->major || left->minor != right->minor ||
2343 left->build != right->build || left->revision != right->revision)
2349 static inline gboolean
2350 info_versions_equal (MonoAssemblyBindingInfo *left, MonoAssemblyBindingInfo *right)
2352 if (left->has_old_version_bottom != right->has_old_version_bottom)
2355 if (left->has_old_version_top != right->has_old_version_top)
2358 if (left->has_new_version != right->has_new_version)
2361 if (left->has_old_version_bottom && !info_compare_versions (&left->old_version_bottom, &right->old_version_bottom))
2364 if (left->has_old_version_top && !info_compare_versions (&left->old_version_top, &right->old_version_top))
2367 if (left->has_new_version && !info_compare_versions (&left->new_version, &right->new_version))
2373 /* LOCKING: assumes all the necessary locks are held */
2375 assembly_binding_info_parsed (MonoAssemblyBindingInfo *info, void *user_data)
2377 MonoAssemblyBindingInfo *info_copy;
2379 MonoAssemblyBindingInfo *info_tmp;
2380 MonoDomain *domain = (MonoDomain*)user_data;
2385 for (tmp = domain->assembly_bindings; tmp; tmp = tmp->next) {
2386 info_tmp = tmp->data;
2387 if (strcmp (info->name, info_tmp->name) == 0 && info_versions_equal (info, info_tmp))
2391 info_copy = mono_mempool_alloc0 (domain->mp, sizeof (MonoAssemblyBindingInfo));
2392 memcpy (info_copy, info, sizeof (MonoAssemblyBindingInfo));
2394 info_copy->name = mono_mempool_strdup (domain->mp, info->name);
2396 info_copy->culture = mono_mempool_strdup (domain->mp, info->culture);
2398 domain->assembly_bindings = g_slist_append_mempool (domain->mp, domain->assembly_bindings, info_copy);
2401 static inline gboolean
2402 info_major_minor_in_range (MonoAssemblyBindingInfo *info, MonoAssemblyName *aname)
2404 if (!info->has_old_version_bottom)
2407 if (info->old_version_bottom.major > aname->major || info->old_version_bottom.minor > aname->minor)
2410 if (info->has_old_version_top && (info->old_version_top.major < aname->major || info->old_version_top.minor < aname->minor))
2413 /* This is not the nicest way to do it, but it's a by-product of the way parsing is done */
2414 info->major = aname->major;
2415 info->minor = aname->minor;
2420 /* LOCKING: Assumes that we are already locked - both loader and domain locks */
2421 static MonoAssemblyBindingInfo*
2422 get_per_domain_assembly_binding_info (MonoDomain *domain, MonoAssemblyName *aname)
2424 MonoAssemblyBindingInfo *info;
2427 if (!domain->assembly_bindings)
2431 for (list = domain->assembly_bindings; list; list = list->next) {
2433 if (info && !strcmp (aname->name, info->name) && info_major_minor_in_range (info, aname))
2439 if (info->name && info->public_key_token [0] && info->has_old_version_bottom &&
2440 info->has_new_version && assembly_binding_maps_name (info, aname))
2441 info->is_valid = TRUE;
2443 info->is_valid = FALSE;
2449 static MonoAssemblyName*
2450 mono_assembly_apply_binding (MonoAssemblyName *aname, MonoAssemblyName *dest_name)
2452 MonoAssemblyBindingInfo *info, *info2;
2456 if (aname->public_key_token [0] == 0)
2459 domain = mono_domain_get ();
2460 mono_loader_lock ();
2461 info = search_binding_loaded (aname);
2463 mono_domain_lock (domain);
2464 info = get_per_domain_assembly_binding_info (domain, aname);
2465 mono_domain_unlock (domain);
2468 mono_loader_unlock ();
2470 if (!check_policy_versions (info, aname))
2473 mono_assembly_bind_version (info, aname, dest_name);
2477 if (domain && domain->setup && domain->setup->configuration_file) {
2478 mono_domain_lock (domain);
2479 if (!domain->assembly_bindings_parsed) {
2480 gchar *domain_config_file_name = mono_string_to_utf8 (domain->setup->configuration_file);
2481 gchar *domain_config_file_path = mono_portability_find_file (domain_config_file_name, TRUE);
2483 if (!domain_config_file_path)
2484 domain_config_file_path = domain_config_file_name;
2486 mono_config_parse_assembly_bindings (domain_config_file_path, aname->major, aname->minor, domain, assembly_binding_info_parsed);
2487 domain->assembly_bindings_parsed = TRUE;
2488 if (domain_config_file_name != domain_config_file_path)
2489 g_free (domain_config_file_name);
2490 g_free (domain_config_file_path);
2492 mono_domain_unlock (domain);
2494 mono_loader_lock ();
2495 mono_domain_lock (domain);
2496 info2 = get_per_domain_assembly_binding_info (domain, aname);
2499 info = g_memdup (info2, sizeof (MonoAssemblyBindingInfo));
2500 info->name = g_strdup (info2->name);
2501 info->culture = g_strdup (info2->culture);
2502 info->domain_id = domain->domain_id;
2505 mono_domain_unlock (domain);
2506 mono_loader_unlock ();
2510 info = g_new0 (MonoAssemblyBindingInfo, 1);
2511 info->major = aname->major;
2512 info->minor = aname->minor;
2515 if (!info->is_valid) {
2516 ppimage = mono_assembly_load_publisher_policy (aname);
2518 get_publisher_policy_info (ppimage, aname, info);
2519 mono_image_close (ppimage);
2523 /* Define default error value if needed */
2524 if (!info->is_valid) {
2525 info->name = g_strdup (aname->name);
2526 info->culture = g_strdup (aname->culture);
2527 g_strlcpy ((char *)info->public_key_token, (const char *)aname->public_key_token, MONO_PUBLIC_KEY_TOKEN_LENGTH);
2530 mono_loader_lock ();
2531 info2 = search_binding_loaded (aname);
2533 /* This binding was added by another thread
2535 mono_assembly_binding_info_free (info);
2540 loaded_assembly_bindings = g_slist_prepend (loaded_assembly_bindings, info);
2542 mono_loader_unlock ();
2544 if (!info->is_valid || !check_policy_versions (info, aname))
2547 mono_assembly_bind_version (info, aname, dest_name);
2552 * mono_assembly_load_from_gac
2554 * @aname: The assembly name object
2556 static MonoAssembly*
2557 mono_assembly_load_from_gac (MonoAssemblyName *aname, gchar *filename, MonoImageOpenStatus *status, MonoBoolean refonly)
2559 MonoAssembly *result = NULL;
2560 gchar *name, *version, *culture, *fullpath, *subpath;
2565 if (aname->public_key_token [0] == 0) {
2569 if (strstr (aname->name, ".dll")) {
2570 len = strlen (filename) - 4;
2571 name = g_malloc (len);
2572 strncpy (name, aname->name, len);
2574 name = g_strdup (aname->name);
2577 if (aname->culture) {
2578 culture = g_utf8_strdown (aname->culture, -1);
2580 culture = g_strdup ("");
2583 pubtok = g_ascii_strdown ((char*)aname->public_key_token, MONO_PUBLIC_KEY_TOKEN_LENGTH);
2584 version = g_strdup_printf ("%d.%d.%d.%d_%s_%s", aname->major,
2585 aname->minor, aname->build, aname->revision,
2589 subpath = g_build_path (G_DIR_SEPARATOR_S, name, version, filename, NULL);
2594 if (extra_gac_paths) {
2595 paths = extra_gac_paths;
2596 while (!result && *paths) {
2597 fullpath = g_build_path (G_DIR_SEPARATOR_S, *paths, "lib", "mono", "gac", subpath, NULL);
2598 result = mono_assembly_open_full (fullpath, status, refonly);
2605 result->in_gac = TRUE;
2610 fullpath = g_build_path (G_DIR_SEPARATOR_S, mono_assembly_getrootdir (),
2611 "mono", "gac", subpath, NULL);
2612 result = mono_assembly_open_full (fullpath, status, refonly);
2616 result->in_gac = TRUE;
2624 mono_assembly_load_corlib (const MonoRuntimeInfo *runtime, MonoImageOpenStatus *status)
2627 MonoAssemblyName *aname;
2630 /* g_print ("corlib already loaded\n"); */
2634 #if defined(__native_client__)
2635 if (corlibData != NULL && corlibSize != 0) {
2637 /* First "FALSE" instructs mono not to make a copy. */
2638 /* Second "FALSE" says this is not just a ref. */
2639 MonoImage* image = mono_image_open_from_data_full (corlibData, corlibSize, FALSE, &status, FALSE);
2640 if (image == NULL || status != 0)
2641 g_print("mono_image_open_from_data_full failed: %d\n", status);
2642 corlib = mono_assembly_load_from_full (image, "mscorlib", &status, FALSE);
2643 if (corlib == NULL || status != 0)
2644 g_print ("mono_assembly_load_from_full failed: %d\n", status);
2650 aname = mono_assembly_name_new ("mscorlib.dll");
2651 corlib = invoke_assembly_preload_hook (aname, assemblies_path);
2652 mono_assembly_name_free (aname);
2657 if (assemblies_path) {
2658 corlib = load_in_path ("mscorlib.dll", (const char**)assemblies_path, status, FALSE);
2663 /* Load corlib from mono/<version> */
2665 corlib_file = g_build_filename ("mono", runtime->framework_version, "mscorlib.dll", NULL);
2666 if (assemblies_path) {
2667 corlib = load_in_path (corlib_file, (const char**)assemblies_path, status, FALSE);
2669 g_free (corlib_file);
2673 corlib = load_in_path (corlib_file, default_path, status, FALSE);
2674 g_free (corlib_file);
2680 mono_assembly_load_full_nosearch (MonoAssemblyName *aname,
2681 const char *basedir,
2682 MonoImageOpenStatus *status,
2685 MonoAssembly *result;
2686 char *fullpath, *filename;
2687 #ifndef DISABLE_ASSEMBLY_REMAPPING
2688 MonoAssemblyName maped_aname;
2690 MonoAssemblyName maped_name_pp;
2695 #ifndef DISABLE_ASSEMBLY_REMAPPING
2696 aname = mono_assembly_remap_version (aname, &maped_aname);
2699 /* Reflection only assemblies don't get assembly binding */
2701 aname = mono_assembly_apply_binding (aname, &maped_name_pp);
2703 result = mono_assembly_loaded_full (aname, refonly);
2707 result = refonly ? invoke_assembly_refonly_preload_hook (aname, assemblies_path) : invoke_assembly_preload_hook (aname, assemblies_path);
2709 result->in_gac = FALSE;
2713 /* Currently we retrieve the loaded corlib for reflection
2714 * only requests, like a common reflection only assembly
2716 if (strcmp (aname->name, "mscorlib") == 0 || strcmp (aname->name, "mscorlib.dll") == 0) {
2717 return mono_assembly_load_corlib (mono_get_runtime_info (), status);
2720 len = strlen (aname->name);
2721 for (ext_index = 0; ext_index < 2; ext_index ++) {
2722 ext = ext_index == 0 ? ".dll" : ".exe";
2723 if (len > 4 && (!strcmp (aname->name + len - 4, ".dll") || !strcmp (aname->name + len - 4, ".exe"))) {
2724 filename = g_strdup (aname->name);
2725 /* Don't try appending .dll/.exe if it already has one of those extensions */
2728 filename = g_strconcat (aname->name, ext, NULL);
2731 result = mono_assembly_load_from_gac (aname, filename, status, refonly);
2738 fullpath = g_build_filename (basedir, filename, NULL);
2739 result = mono_assembly_open_full (fullpath, status, refonly);
2742 result->in_gac = FALSE;
2748 result = load_in_path (filename, default_path, status, refonly);
2750 result->in_gac = FALSE;
2760 * mono_assembly_load_full:
2761 * @aname: A MonoAssemblyName with the assembly name to load.
2762 * @basedir: A directory to look up the assembly at.
2763 * @status: a pointer to a MonoImageOpenStatus to return the status of the load operation
2764 * @refonly: Whether this assembly is being opened in "reflection-only" mode.
2766 * Loads the assembly referenced by @aname, if the value of @basedir is not NULL, it
2767 * attempts to load the assembly from that directory before probing the standard locations.
2769 * If the assembly is being opened in reflection-only mode (@refonly set to TRUE) then no
2770 * assembly binding takes place.
2772 * Returns: the assembly referenced by @aname loaded or NULL on error. On error the
2773 * value pointed by status is updated with an error code.
2776 mono_assembly_load_full (MonoAssemblyName *aname, const char *basedir, MonoImageOpenStatus *status, gboolean refonly)
2778 MonoAssembly *result = mono_assembly_load_full_nosearch (aname, basedir, status, refonly);
2781 /* Try a postload search hook */
2782 result = mono_assembly_invoke_search_hook_internal (aname, refonly, TRUE);
2787 * mono_assembly_load:
2788 * @aname: A MonoAssemblyName with the assembly name to load.
2789 * @basedir: A directory to look up the assembly at.
2790 * @status: a pointer to a MonoImageOpenStatus to return the status of the load operation
2792 * Loads the assembly referenced by @aname, if the value of @basedir is not NULL, it
2793 * attempts to load the assembly from that directory before probing the standard locations.
2795 * Returns: the assembly referenced by @aname loaded or NULL on error. On error the
2796 * value pointed by status is updated with an error code.
2799 mono_assembly_load (MonoAssemblyName *aname, const char *basedir, MonoImageOpenStatus *status)
2801 return mono_assembly_load_full (aname, basedir, status, FALSE);
2805 mono_assembly_loaded_full (MonoAssemblyName *aname, gboolean refonly)
2808 #ifndef DISABLE_ASSEMBLY_REMAPPING
2809 MonoAssemblyName maped_aname;
2811 aname = mono_assembly_remap_version (aname, &maped_aname);
2814 res = mono_assembly_invoke_search_hook_internal (aname, refonly, FALSE);
2820 * mono_assembly_loaded:
2821 * @aname: an assembly to look for.
2823 * Returns: NULL If the given @aname assembly has not been loaded, or a pointer to
2824 * a MonoAssembly that matches the MonoAssemblyName specified.
2827 mono_assembly_loaded (MonoAssemblyName *aname)
2829 return mono_assembly_loaded_full (aname, FALSE);
2833 * Returns whether mono_assembly_close_finish() must be called as
2834 * well. See comment for mono_image_close_except_pools() for why we
2835 * unload in two steps.
2838 mono_assembly_close_except_image_pools (MonoAssembly *assembly)
2841 g_return_val_if_fail (assembly != NULL, FALSE);
2843 if (assembly == REFERENCE_MISSING)
2846 /* Might be 0 already */
2847 if (InterlockedDecrement (&assembly->ref_count) > 0)
2850 mono_profiler_assembly_event (assembly, MONO_PROFILE_START_UNLOAD);
2852 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_ASSEMBLY, "Unloading assembly %s [%p].", assembly->aname.name, assembly);
2854 mono_debug_close_image (assembly->image);
2856 mono_assemblies_lock ();
2857 loaded_assemblies = g_list_remove (loaded_assemblies, assembly);
2858 mono_assemblies_unlock ();
2860 assembly->image->assembly = NULL;
2862 if (!mono_image_close_except_pools (assembly->image))
2863 assembly->image = NULL;
2865 for (tmp = assembly->friend_assembly_names; tmp; tmp = tmp->next) {
2866 MonoAssemblyName *fname = tmp->data;
2867 mono_assembly_name_free (fname);
2870 g_slist_free (assembly->friend_assembly_names);
2871 g_free (assembly->basedir);
2873 mono_profiler_assembly_event (assembly, MONO_PROFILE_END_UNLOAD);
2879 mono_assembly_close_finish (MonoAssembly *assembly)
2881 g_assert (assembly && assembly != REFERENCE_MISSING);
2883 if (assembly->image)
2884 mono_image_close_finish (assembly->image);
2886 if (assembly->dynamic) {
2887 g_free ((char*)assembly->aname.culture);
2894 * mono_assembly_close:
2895 * @assembly: the assembly to release.
2897 * This method releases a reference to the @assembly. The assembly is
2898 * only released when all the outstanding references to it are released.
2901 mono_assembly_close (MonoAssembly *assembly)
2903 if (mono_assembly_close_except_image_pools (assembly))
2904 mono_assembly_close_finish (assembly);
2908 mono_assembly_load_module (MonoAssembly *assembly, guint32 idx)
2910 return mono_image_load_file_for_image (assembly->image, idx);
2914 mono_assembly_foreach (GFunc func, gpointer user_data)
2919 * We make a copy of the list to avoid calling the callback inside the
2920 * lock, which could lead to deadlocks.
2922 mono_assemblies_lock ();
2923 copy = g_list_copy (loaded_assemblies);
2924 mono_assemblies_unlock ();
2926 g_list_foreach (loaded_assemblies, func, user_data);
2932 * mono_assemblies_cleanup:
2934 * Free all resources used by this module.
2937 mono_assemblies_cleanup (void)
2941 DeleteCriticalSection (&assemblies_mutex);
2943 for (l = loaded_assembly_bindings; l; l = l->next) {
2944 MonoAssemblyBindingInfo *info = l->data;
2946 mono_assembly_binding_info_free (info);
2949 g_slist_free (loaded_assembly_bindings);
2951 free_assembly_load_hooks ();
2952 free_assembly_search_hooks ();
2953 free_assembly_preload_hooks ();
2956 /*LOCKING assumes loader lock is held*/
2958 mono_assembly_cleanup_domain_bindings (guint32 domain_id)
2960 GSList **iter = &loaded_assembly_bindings;
2964 MonoAssemblyBindingInfo *info = l->data;
2966 if (info->domain_id == domain_id) {
2968 mono_assembly_binding_info_free (info);
2978 * Holds the assembly of the application, for
2979 * System.Diagnostics.Process::MainModule
2981 static MonoAssembly *main_assembly=NULL;
2984 mono_assembly_set_main (MonoAssembly *assembly)
2986 main_assembly = assembly;
2990 * mono_assembly_get_main:
2992 * Returns: the assembly for the application, the first assembly that is loaded by the VM
2995 mono_assembly_get_main (void)
2997 return (main_assembly);
3001 * mono_assembly_get_image:
3002 * @assembly: The assembly to retrieve the image from
3004 * Returns: the MonoImage associated with this assembly.
3007 mono_assembly_get_image (MonoAssembly *assembly)
3009 return assembly->image;
3013 mono_register_bundled_assemblies (const MonoBundledAssembly **assemblies)
3015 bundles = assemblies;
3018 #define MONO_DECLSEC_FORMAT_10 0x3C
3019 #define MONO_DECLSEC_FORMAT_20 0x2E
3020 #define MONO_DECLSEC_FIELD 0x53
3021 #define MONO_DECLSEC_PROPERTY 0x54
3023 #define SKIP_VISIBILITY_XML_ATTRIBUTE ("\"SkipVerification\"")
3024 #define SKIP_VISIBILITY_ATTRIBUTE_NAME ("System.Security.Permissions.SecurityPermissionAttribute")
3025 #define SKIP_VISIBILITY_ATTRIBUTE_SIZE (sizeof (SKIP_VISIBILITY_ATTRIBUTE_NAME) - 1)
3026 #define SKIP_VISIBILITY_PROPERTY_NAME ("SkipVerification")
3027 #define SKIP_VISIBILITY_PROPERTY_SIZE (sizeof (SKIP_VISIBILITY_PROPERTY_NAME) - 1)
3030 mono_assembly_try_decode_skip_verification_param (const char *p, const char **resp, gboolean *abort_decoding)
3034 case MONO_DECLSEC_PROPERTY:
3036 case MONO_DECLSEC_FIELD:
3038 *abort_decoding = TRUE;
3043 if (*p++ != MONO_TYPE_BOOLEAN) {
3044 *abort_decoding = TRUE;
3048 /* property name length */
3049 len = mono_metadata_decode_value (p, &p);
3051 if (len >= SKIP_VISIBILITY_PROPERTY_SIZE && !memcmp (p, SKIP_VISIBILITY_PROPERTY_NAME, SKIP_VISIBILITY_PROPERTY_SIZE)) {
3062 mono_assembly_try_decode_skip_verification (const char *p, const char *endn)
3064 int i, j, num, len, params_len;
3066 if (*p == MONO_DECLSEC_FORMAT_10) {
3067 gsize read, written;
3068 char *res = g_convert (p, endn - p, "UTF-8", "UTF-16LE", &read, &written, NULL);
3070 gboolean found = strstr (res, SKIP_VISIBILITY_XML_ATTRIBUTE) != NULL;
3076 if (*p++ != MONO_DECLSEC_FORMAT_20)
3079 /* number of encoded permission attributes */
3080 num = mono_metadata_decode_value (p, &p);
3081 for (i = 0; i < num; ++i) {
3082 gboolean is_valid = FALSE;
3083 gboolean abort_decoding = FALSE;
3085 /* attribute name length */
3086 len = mono_metadata_decode_value (p, &p);
3088 /* We don't really need to fully decode the type. Comparing the name is enough */
3089 is_valid = len >= SKIP_VISIBILITY_ATTRIBUTE_SIZE && !memcmp (p, SKIP_VISIBILITY_ATTRIBUTE_NAME, SKIP_VISIBILITY_ATTRIBUTE_SIZE);
3093 /*size of the params table*/
3094 params_len = mono_metadata_decode_value (p, &p);
3096 const char *params_end = p + params_len;
3098 /* number of parameters */
3099 len = mono_metadata_decode_value (p, &p);
3101 for (j = 0; j < len; ++j) {
3102 if (mono_assembly_try_decode_skip_verification_param (p, &p, &abort_decoding))
3118 mono_assembly_has_skip_verification (MonoAssembly *assembly)
3121 guint32 cols [MONO_DECL_SECURITY_SIZE];
3125 if (MONO_SECMAN_FLAG_INIT (assembly->skipverification))
3126 return MONO_SECMAN_FLAG_GET_VALUE (assembly->skipverification);
3128 t = &assembly->image->tables [MONO_TABLE_DECLSECURITY];
3130 for (i = 0; i < t->rows; ++i) {
3131 mono_metadata_decode_row (t, i, cols, MONO_DECL_SECURITY_SIZE);
3132 if ((cols [MONO_DECL_SECURITY_PARENT] & MONO_HAS_DECL_SECURITY_MASK) != MONO_HAS_DECL_SECURITY_ASSEMBLY)
3134 if (cols [MONO_DECL_SECURITY_ACTION] != SECURITY_ACTION_REQMIN)
3137 blob = mono_metadata_blob_heap (assembly->image, cols [MONO_DECL_SECURITY_PERMISSIONSET]);
3138 len = mono_metadata_decode_blob_size (blob, &blob);
3142 if (mono_assembly_try_decode_skip_verification (blob, blob + len)) {
3143 MONO_SECMAN_FLAG_SET_VALUE (assembly->skipverification, TRUE);
3148 MONO_SECMAN_FLAG_SET_VALUE (assembly->skipverification, FALSE);