2 * assembly.c: Routines for loading assemblies.
5 * Miguel de Icaza (miguel@ximian.com)
7 * Copyright 2001-2003 Ximian, Inc (http://www.ximian.com)
8 * Copyright 2004-2009 Novell, Inc (http://www.novell.com)
9 * Copyright 2011 Xamarin, Inc (http://www.xamarin.com)
19 #include "object-internals.h"
20 #include <mono/metadata/loader.h>
21 #include <mono/metadata/tabledefs.h>
22 #include <mono/metadata/metadata-internals.h>
23 #include <mono/metadata/profiler-private.h>
24 #include <mono/metadata/class-internals.h>
25 #include <mono/metadata/domain-internals.h>
26 #include <mono/metadata/mono-endian.h>
27 #include <mono/metadata/mono-debug.h>
28 #include <mono/io-layer/io-layer.h>
29 #include <mono/utils/mono-uri.h>
30 #include <mono/metadata/mono-config.h>
31 #include <mono/utils/mono-digest.h>
32 #include <mono/utils/mono-logger-internal.h>
33 #include <mono/utils/mono-path.h>
34 #include <mono/metadata/reflection.h>
35 #include <mono/metadata/coree.h>
36 #include <mono/utils/mono-io-portability.h>
39 #include <sys/types.h>
44 #ifdef PLATFORM_MACOSX
45 #include <mach-o/dyld.h>
48 /* AssemblyVersionMap: an assembly name and the assembly version set on which it is based */
50 const char* assembly_name;
51 guint8 version_set_index;
54 /* the default search path is empty, the first slot is replaced with the computed value */
61 /* Contains the list of directories to be searched for assemblies (MONO_PATH) */
62 static char **assemblies_path = NULL;
64 /* Contains the list of directories that point to auxiliary GACs */
65 static char **extra_gac_paths = NULL;
67 #ifndef DISABLE_ASSEMBLY_REMAPPING
68 /* The list of system assemblies what will be remapped to the running
69 * runtime version. WARNING: this list must be sorted.
70 * The integer number is an index in the MonoRuntimeInfo structure, whose
71 * values can be found in domain.c - supported_runtimes. Look there
72 * to understand what remapping will be made.
74 static const AssemblyVersionMap framework_assemblies [] = {
76 {"Commons.Xml.Relaxng", 0},
83 {"Microsoft.VisualBasic", 1},
84 {"Microsoft.VisualC", 1},
86 {"Mono.CompilerServices.SymbolWriter", 0},
88 {"Mono.Data.SybaseClient", 0},
90 {"Mono.Data.TdsClient", 0},
91 {"Mono.GetOptions", 0},
95 {"Mono.Security.Win32", 0},
97 {"Novell.Directory.Ldap", 0},
101 {"System.ComponentModel.DataAnnotations", 2},
102 {"System.Configuration", 0},
103 {"System.Configuration.Install", 0},
106 {"System.Data.Linq", 2},
107 {"System.Data.OracleClient", 0},
108 {"System.Data.SqlXml", 0},
109 {"System.Design", 0},
110 {"System.DirectoryServices", 0},
111 {"System.Drawing", 0},
112 {"System.Drawing.Design", 0},
113 {"System.EnterpriseServices", 0},
114 {"System.Management", 0},
115 {"System.Messaging", 0},
116 {"System.Runtime.Remoting", 0},
117 {"System.Runtime.Serialization", 3},
118 {"System.Runtime.Serialization.Formatters.Soap", 0},
119 {"System.Security", 0},
120 {"System.ServiceProcess", 0},
121 {"System.Transactions", 0},
123 {"System.Web.Abstractions", 2},
124 {"System.Web.Mobile", 0},
125 {"System.Web.Routing", 2},
126 {"System.Web.Services", 0},
127 {"System.Windows.Forms", 0},
134 * keeps track of loaded assemblies
136 static GList *loaded_assemblies = NULL;
137 static MonoAssembly *corlib;
139 #if defined(__native_client__)
141 /* On Native Client, allow mscorlib to be loaded from memory */
142 /* instead of loaded off disk. If these are not set, default */
143 /* mscorlib loading will take place */
145 /* NOTE: If mscorlib data is passed to mono in this way then */
146 /* it needs to remain allocated during the use of mono. */
148 static void *corlibData = NULL;
149 static size_t corlibSize = 0;
152 mono_set_corlib_data (void *data, size_t size)
160 /* This protects loaded_assemblies and image->references */
161 #define mono_assemblies_lock() EnterCriticalSection (&assemblies_mutex)
162 #define mono_assemblies_unlock() LeaveCriticalSection (&assemblies_mutex)
163 static CRITICAL_SECTION assemblies_mutex;
165 /* If defined, points to the bundled assembly information */
166 const MonoBundledAssembly **bundles;
168 /* Loaded assembly binding info */
169 static GSList *loaded_assembly_bindings = NULL;
172 mono_assembly_invoke_search_hook_internal (MonoAssemblyName *aname, gboolean refonly, gboolean postload);
174 mono_assembly_is_in_gac (const gchar *filanem);
177 encode_public_tok (const guchar *token, gint32 len)
179 const static gchar allowed [] = { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f' };
183 res = g_malloc (len * 2 + 1);
184 for (i = 0; i < len; i++) {
185 res [i * 2] = allowed [token [i] >> 4];
186 res [i * 2 + 1] = allowed [token [i] & 0xF];
193 * mono_public_tokens_are_equal:
194 * @pubt1: first public key token
195 * @pubt2: second public key token
197 * Compare two public key tokens and return #TRUE is they are equal and #FALSE
201 mono_public_tokens_are_equal (const unsigned char *pubt1, const unsigned char *pubt2)
203 return memcmp (pubt1, pubt2, 16) == 0;
207 * mono_set_assemblies_path:
208 * @path: list of paths that contain directories where Mono will look for assemblies
210 * Use this method to override the standard assembly lookup system and
211 * override any assemblies coming from the GAC. This is the method
212 * that supports the MONO_PATH variable.
214 * Notice that MONO_PATH and this method are really a very bad idea as
215 * it prevents the GAC from working and it prevents the standard
216 * resolution mechanisms from working. Nonetheless, for some debugging
217 * situations and bootstrapping setups, this is useful to have.
220 mono_set_assemblies_path (const char* path)
222 char **splitted, **dest;
224 splitted = g_strsplit (path, G_SEARCHPATH_SEPARATOR_S, 1000);
226 g_strfreev (assemblies_path);
227 assemblies_path = dest = splitted;
235 if (g_getenv ("MONO_DEBUG") == NULL)
238 splitted = assemblies_path;
240 if (**splitted && !g_file_test (*splitted, G_FILE_TEST_IS_DIR))
241 g_warning ("'%s' in MONO_PATH doesn't exist or has wrong permissions.", *splitted);
247 /* Native Client can't get this info from an environment variable so */
248 /* it's passed in to the runtime, or set manually by embedding code. */
249 #ifdef __native_client__
250 char* nacl_mono_path = NULL;
254 check_path_env (void)
257 #ifdef __native_client__
258 path = nacl_mono_path;
260 path = g_getenv ("MONO_PATH");
262 if (!path || assemblies_path != NULL)
265 mono_set_assemblies_path(path);
269 check_extra_gac_path_env (void) {
271 char **splitted, **dest;
273 path = g_getenv ("MONO_GAC_PREFIX");
277 splitted = g_strsplit (path, G_SEARCHPATH_SEPARATOR_S, 1000);
279 g_strfreev (extra_gac_paths);
280 extra_gac_paths = dest = splitted;
288 if (g_getenv ("MONO_DEBUG") == NULL)
292 if (**splitted && !g_file_test (*splitted, G_FILE_TEST_IS_DIR))
293 g_warning ("'%s' in MONO_GAC_PREFIX doesn't exist or has wrong permissions.", *splitted);
300 assembly_binding_maps_name (MonoAssemblyBindingInfo *info, MonoAssemblyName *aname)
302 if (!info || !info->name)
305 if (strcmp (info->name, aname->name))
308 if (info->major != aname->major || info->minor != aname->minor)
311 if ((info->culture != NULL && info->culture [0]) != (aname->culture != NULL && aname->culture [0]))
314 if (info->culture && aname->culture && strcmp (info->culture, aname->culture))
317 if (!mono_public_tokens_are_equal (info->public_key_token, aname->public_key_token))
324 mono_assembly_binding_info_free (MonoAssemblyBindingInfo *info)
330 g_free (info->culture);
334 get_publisher_policy_info (MonoImage *image, MonoAssemblyName *aname, MonoAssemblyBindingInfo *binding_info)
337 guint32 cols [MONO_MANIFEST_SIZE];
338 const gchar *filename;
339 gchar *subpath, *fullpath;
341 t = &image->tables [MONO_TABLE_MANIFESTRESOURCE];
342 /* MS Impl. accepts policy assemblies with more than
343 * one manifest resource, and only takes the first one */
345 binding_info->is_valid = FALSE;
349 mono_metadata_decode_row (t, 0, cols, MONO_MANIFEST_SIZE);
350 if ((cols [MONO_MANIFEST_IMPLEMENTATION] & MONO_IMPLEMENTATION_MASK) != MONO_IMPLEMENTATION_FILE) {
351 binding_info->is_valid = FALSE;
355 filename = mono_metadata_string_heap (image, cols [MONO_MANIFEST_NAME]);
356 g_assert (filename != NULL);
358 subpath = g_path_get_dirname (image->name);
359 fullpath = g_build_path (G_DIR_SEPARATOR_S, subpath, filename, NULL);
360 mono_config_parse_publisher_policy (fullpath, binding_info);
364 /* Define the optional elements/attributes before checking */
365 if (!binding_info->culture)
366 binding_info->culture = g_strdup ("");
368 /* Check that the most important elements/attributes exist */
369 if (!binding_info->name || !binding_info->public_key_token [0] || !binding_info->has_old_version_bottom ||
370 !binding_info->has_new_version || !assembly_binding_maps_name (binding_info, aname)) {
371 mono_assembly_binding_info_free (binding_info);
372 binding_info->is_valid = FALSE;
376 binding_info->is_valid = TRUE;
380 compare_versions (AssemblyVersionSet *v, MonoAssemblyName *aname)
382 if (v->major > aname->major)
384 else if (v->major < aname->major)
387 if (v->minor > aname->minor)
389 else if (v->minor < aname->minor)
392 if (v->build > aname->build)
394 else if (v->build < aname->build)
397 if (v->revision > aname->revision)
399 else if (v->revision < aname->revision)
406 check_policy_versions (MonoAssemblyBindingInfo *info, MonoAssemblyName *name)
411 /* If has_old_version_top doesn't exist, we don't have an interval */
412 if (!info->has_old_version_top) {
413 if (compare_versions (&info->old_version_bottom, name) == 0)
419 /* Check that the version defined by name is valid for the interval */
420 if (compare_versions (&info->old_version_top, name) < 0)
423 /* We should be greater or equal than the small version */
424 if (compare_versions (&info->old_version_bottom, name) > 0)
431 * mono_assembly_names_equal:
433 * @r: second assembly.
435 * Compares two MonoAssemblyNames and returns whether they are equal.
437 * This compares the names, the cultures, the release version and their
440 * Returns: TRUE if both assembly names are equal.
443 mono_assembly_names_equal (MonoAssemblyName *l, MonoAssemblyName *r)
445 if (!l->name || !r->name)
448 if (strcmp (l->name, r->name))
451 if (l->culture && r->culture && strcmp (l->culture, r->culture))
454 if (l->major != r->major || l->minor != r->minor ||
455 l->build != r->build || l->revision != r->revision)
456 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)))
459 if (!l->public_key_token [0] || !r->public_key_token [0])
462 if (!mono_public_tokens_are_equal (l->public_key_token, r->public_key_token))
468 static MonoAssembly *
469 load_in_path (const char *basename, const char** search_path, MonoImageOpenStatus *status, MonoBoolean refonly)
473 MonoAssembly *result;
475 for (i = 0; search_path [i]; ++i) {
476 fullpath = g_build_filename (search_path [i], basename, NULL);
477 result = mono_assembly_open_full (fullpath, status, refonly);
486 * mono_assembly_setrootdir:
487 * @root_dir: The pathname of the root directory where we will locate assemblies
489 * This routine sets the internal default root directory for looking up
492 * This is used by Windows installations to compute dynamically the
493 * place where the Mono assemblies are located.
497 mono_assembly_setrootdir (const char *root_dir)
500 * Override the MONO_ASSEMBLIES directory configured at compile time.
502 /* Leak if called more than once */
503 default_path [0] = g_strdup (root_dir);
507 * mono_assembly_getrootdir:
509 * Obtains the root directory used for looking up assemblies.
511 * Returns: a string with the directory, this string should not be freed.
513 G_CONST_RETURN gchar *
514 mono_assembly_getrootdir (void)
516 return default_path [0];
521 * @assembly_dir: the base directory for assemblies
522 * @config_dir: the base directory for configuration files
524 * This routine is used internally and by developers embedding
525 * the runtime into their own applications.
527 * There are a number of cases to consider: Mono as a system-installed
528 * package that is available on the location preconfigured or Mono in
529 * a relocated location.
531 * If you are using a system-installed Mono, you can pass NULL
532 * to both parameters. If you are not, you should compute both
533 * directory values and call this routine.
535 * The values for a given PREFIX are:
537 * assembly_dir: PREFIX/lib
538 * config_dir: PREFIX/etc
540 * Notice that embedders that use Mono in a relocated way must
541 * compute the location at runtime, as they will be in control
542 * of where Mono is installed.
545 mono_set_dirs (const char *assembly_dir, const char *config_dir)
547 #if defined (MONO_ASSEMBLIES)
548 if (assembly_dir == NULL)
549 assembly_dir = MONO_ASSEMBLIES;
551 #if defined (MONO_CFG_DIR)
552 if (config_dir == NULL)
553 config_dir = MONO_CFG_DIR;
555 mono_assembly_setrootdir (assembly_dir);
556 mono_set_config_dir (config_dir);
562 compute_base (char *path)
564 char *p = strrchr (path, '/');
568 /* Not a well known Mono executable, we are embedded, cant guess the base */
569 if (strcmp (p, "/mono") && strcmp (p, "/monodis") && strcmp (p, "/mint") && strcmp (p, "/monodiet"))
573 p = strrchr (path, '/');
577 if (strcmp (p, "/bin") != 0)
586 mono_set_dirs (MONO_ASSEMBLIES, MONO_CFG_DIR);
589 static G_GNUC_UNUSED void
593 char *config, *lib, *mono;
597 * Only /usr prefix is treated specially
599 if (strncmp (exe, MONO_BINDIR, strlen (MONO_BINDIR)) == 0 || (base = compute_base (exe)) == NULL){
604 config = g_build_filename (base, "etc", NULL);
605 lib = g_build_filename (base, "lib", NULL);
606 mono = g_build_filename (lib, "mono/2.0", NULL);
607 if (stat (mono, &buf) == -1)
610 mono_set_dirs (lib, config);
618 #endif /* HOST_WIN32 */
623 * Registers the root directory for the Mono runtime, for Linux and Solaris 10,
624 * this auto-detects the prefix where Mono was installed.
627 mono_set_rootdir (void)
629 #if defined(HOST_WIN32) || (defined(PLATFORM_MACOSX) && !defined(TARGET_ARM))
630 gchar *bindir, *installdir, *root, *name, *resolvedname, *config;
633 name = mono_get_module_file_name ((HMODULE) &__ImageBase);
637 * _NSGetExecutablePath may return -1 to indicate buf is not large
638 * enough, but we ignore that case to avoid having to do extra dynamic
639 * allocation for the path and hope that 4096 is enough - this is
640 * ok in the Linux/Solaris case below at least...
644 guint buf_size = sizeof (buf);
646 if (_NSGetExecutablePath (buf, &buf_size) == 0)
647 name = g_strdup (buf);
656 resolvedname = mono_path_resolve_symlinks (name);
658 bindir = g_path_get_dirname (resolvedname);
659 installdir = g_path_get_dirname (bindir);
660 root = g_build_path (G_DIR_SEPARATOR_S, installdir, "lib", NULL);
662 config = g_build_filename (root, "..", "etc", NULL);
664 mono_set_dirs (root, config);
666 if (g_file_test (root, G_FILE_TEST_EXISTS) && g_file_test (config, G_FILE_TEST_EXISTS))
667 mono_set_dirs (root, config);
677 g_free (resolvedname);
678 #elif defined(DISABLE_MONO_AUTODETECTION)
686 s = readlink ("/proc/self/exe", buf, sizeof (buf)-1);
694 /* Solaris 10 style */
695 str = g_strdup_printf ("/proc/%d/path/a.out", getpid ());
696 s = readlink (str, buf, sizeof (buf)-1);
708 * mono_assemblies_init:
710 * Initialize global variables used by this module.
713 mono_assemblies_init (void)
716 * Initialize our internal paths if we have not been initialized yet.
717 * This happens when embedders use Mono.
719 if (mono_assembly_getrootdir () == NULL)
723 check_extra_gac_path_env ();
725 InitializeCriticalSection (&assemblies_mutex);
729 mono_assembly_fill_assembly_name (MonoImage *image, MonoAssemblyName *aname)
731 MonoTableInfo *t = &image->tables [MONO_TABLE_ASSEMBLY];
732 guint32 cols [MONO_ASSEMBLY_SIZE];
737 mono_metadata_decode_row (t, 0, cols, MONO_ASSEMBLY_SIZE);
740 aname->hash_value = NULL;
741 aname->name = mono_metadata_string_heap (image, cols [MONO_ASSEMBLY_NAME]);
742 aname->culture = mono_metadata_string_heap (image, cols [MONO_ASSEMBLY_CULTURE]);
743 aname->flags = cols [MONO_ASSEMBLY_FLAGS];
744 aname->major = cols [MONO_ASSEMBLY_MAJOR_VERSION];
745 aname->minor = cols [MONO_ASSEMBLY_MINOR_VERSION];
746 aname->build = cols [MONO_ASSEMBLY_BUILD_NUMBER];
747 aname->revision = cols [MONO_ASSEMBLY_REV_NUMBER];
748 aname->hash_alg = cols [MONO_ASSEMBLY_HASH_ALG];
749 if (cols [MONO_ASSEMBLY_PUBLIC_KEY]) {
750 guchar* token = g_malloc (8);
755 pkey = mono_metadata_blob_heap (image, cols [MONO_ASSEMBLY_PUBLIC_KEY]);
756 len = mono_metadata_decode_blob_size (pkey, &pkey);
757 aname->public_key = (guchar*)pkey;
759 mono_digest_get_public_token (token, aname->public_key, len);
760 encoded = encode_public_tok (token, 8);
761 g_strlcpy ((char*)aname->public_key_token, encoded, MONO_PUBLIC_KEY_TOKEN_LENGTH);
767 aname->public_key = NULL;
768 memset (aname->public_key_token, 0, MONO_PUBLIC_KEY_TOKEN_LENGTH);
771 if (cols [MONO_ASSEMBLY_PUBLIC_KEY]) {
772 aname->public_key = (guchar*)mono_metadata_blob_heap (image, cols [MONO_ASSEMBLY_PUBLIC_KEY]);
775 aname->public_key = 0;
781 * mono_stringify_assembly_name:
782 * @aname: the assembly name.
784 * Convert @aname into its string format. The returned string is dynamically
785 * allocated and should be freed by the caller.
787 * Returns: a newly allocated string with a string representation of
791 mono_stringify_assembly_name (MonoAssemblyName *aname)
793 const char *quote = (aname->name && g_ascii_isspace (aname->name [0])) ? "\"" : "";
795 return g_strdup_printf (
796 "%s%s%s, Version=%d.%d.%d.%d, Culture=%s, PublicKeyToken=%s%s",
797 quote, aname->name, quote,
798 aname->major, aname->minor, aname->build, aname->revision,
799 aname->culture && *aname->culture? aname->culture: "neutral",
800 aname->public_key_token [0] ? (char *)aname->public_key_token : "null",
801 (aname->flags & ASSEMBLYREF_RETARGETABLE_FLAG) ? ", Retargetable=Yes" : "");
805 assemblyref_public_tok (MonoImage *image, guint32 key_index, guint32 flags)
807 const gchar *public_tok;
810 public_tok = mono_metadata_blob_heap (image, key_index);
811 len = mono_metadata_decode_blob_size (public_tok, &public_tok);
813 if (flags & ASSEMBLYREF_FULL_PUBLIC_KEY_FLAG) {
815 mono_digest_get_public_token (token, (guchar*)public_tok, len);
816 return encode_public_tok (token, 8);
819 return encode_public_tok ((guchar*)public_tok, len);
823 * mono_assembly_addref:
824 * @assemnly: the assembly to reference
826 * This routine increments the reference count on a MonoAssembly.
827 * The reference count is reduced every time the method mono_assembly_close() is
831 mono_assembly_addref (MonoAssembly *assembly)
833 InterlockedIncrement (&assembly->ref_count);
836 #ifndef DISABLE_ASSEMBLY_REMAPPING
837 static MonoAssemblyName *
838 mono_assembly_remap_version (MonoAssemblyName *aname, MonoAssemblyName *dest_aname)
840 const MonoRuntimeInfo *current_runtime;
841 int pos, first, last;
843 if (aname->name == NULL) return aname;
845 current_runtime = mono_get_runtime_info ();
847 if (aname->flags & ASSEMBLYREF_RETARGETABLE_FLAG) {
848 const AssemblyVersionSet* vset;
850 /* Remap to current runtime */
851 vset = ¤t_runtime->version_sets [0];
853 memcpy (dest_aname, aname, sizeof(MonoAssemblyName));
854 dest_aname->major = vset->major;
855 dest_aname->minor = vset->minor;
856 dest_aname->build = vset->build;
857 dest_aname->revision = vset->revision;
858 dest_aname->flags &= ~ASSEMBLYREF_RETARGETABLE_FLAG;
860 /* Remap assembly name */
861 if (!strcmp (aname->name, "System.Net"))
862 dest_aname->name = g_strdup ("System");
864 mono_trace (G_LOG_LEVEL_WARNING, MONO_TRACE_ASSEMBLY,
865 "The request to load the retargetable assembly %s v%d.%d.%d.%d was remapped to %s v%d.%d.%d.%d",
867 aname->major, aname->minor, aname->build, aname->revision,
869 vset->major, vset->minor, vset->build, vset->revision
876 last = G_N_ELEMENTS (framework_assemblies) - 1;
878 while (first <= last) {
880 pos = first + (last - first) / 2;
881 res = strcmp (aname->name, framework_assemblies[pos].assembly_name);
883 const AssemblyVersionSet* vset;
884 int index = framework_assemblies[pos].version_set_index;
885 g_assert (index < G_N_ELEMENTS (current_runtime->version_sets));
886 vset = ¤t_runtime->version_sets [index];
888 if (aname->major == vset->major && aname->minor == vset->minor &&
889 aname->build == vset->build && aname->revision == vset->revision)
892 if ((aname->major | aname->minor | aname->build | aname->revision) != 0)
893 mono_trace (G_LOG_LEVEL_WARNING, MONO_TRACE_ASSEMBLY,
894 "The request to load the assembly %s v%d.%d.%d.%d was remapped to v%d.%d.%d.%d",
896 aname->major, aname->minor, aname->build, aname->revision,
897 vset->major, vset->minor, vset->build, vset->revision
900 memcpy (dest_aname, aname, sizeof(MonoAssemblyName));
901 dest_aname->major = vset->major;
902 dest_aname->minor = vset->minor;
903 dest_aname->build = vset->build;
904 dest_aname->revision = vset->revision;
906 } else if (res < 0) {
917 * mono_assembly_get_assemblyref:
919 * Fill out ANAME with the assembly name of the INDEXth assembly reference in IMAGE.
922 mono_assembly_get_assemblyref (MonoImage *image, int index, MonoAssemblyName *aname)
925 guint32 cols [MONO_ASSEMBLYREF_SIZE];
928 t = &image->tables [MONO_TABLE_ASSEMBLYREF];
930 mono_metadata_decode_row (t, index, cols, MONO_ASSEMBLYREF_SIZE);
932 hash = mono_metadata_blob_heap (image, cols [MONO_ASSEMBLYREF_HASH_VALUE]);
933 aname->hash_len = mono_metadata_decode_blob_size (hash, &hash);
934 aname->hash_value = hash;
935 aname->name = mono_metadata_string_heap (image, cols [MONO_ASSEMBLYREF_NAME]);
936 aname->culture = mono_metadata_string_heap (image, cols [MONO_ASSEMBLYREF_CULTURE]);
937 aname->flags = cols [MONO_ASSEMBLYREF_FLAGS];
938 aname->major = cols [MONO_ASSEMBLYREF_MAJOR_VERSION];
939 aname->minor = cols [MONO_ASSEMBLYREF_MINOR_VERSION];
940 aname->build = cols [MONO_ASSEMBLYREF_BUILD_NUMBER];
941 aname->revision = cols [MONO_ASSEMBLYREF_REV_NUMBER];
943 if (cols [MONO_ASSEMBLYREF_PUBLIC_KEY]) {
944 gchar *token = assemblyref_public_tok (image, cols [MONO_ASSEMBLYREF_PUBLIC_KEY], aname->flags);
945 g_strlcpy ((char*)aname->public_key_token, token, MONO_PUBLIC_KEY_TOKEN_LENGTH);
948 memset (aname->public_key_token, 0, MONO_PUBLIC_KEY_TOKEN_LENGTH);
953 mono_assembly_load_reference (MonoImage *image, int index)
955 MonoAssembly *reference;
956 MonoAssemblyName aname;
957 MonoImageOpenStatus status;
960 * image->references is shared between threads, so we need to access
961 * it inside a critical section.
963 mono_assemblies_lock ();
964 if (!image->references) {
965 MonoTableInfo *t = &image->tables [MONO_TABLE_ASSEMBLYREF];
967 image->references = g_new0 (MonoAssembly *, t->rows + 1);
969 reference = image->references [index];
970 mono_assemblies_unlock ();
974 mono_assembly_get_assemblyref (image, index, &aname);
976 if (image->assembly && image->assembly->ref_only) {
977 /* We use the loaded corlib */
978 if (!strcmp (aname.name, "mscorlib"))
979 reference = mono_assembly_load_full (&aname, image->assembly->basedir, &status, FALSE);
981 reference = mono_assembly_loaded_full (&aname, TRUE);
983 /* Try a postload search hook */
984 reference = mono_assembly_invoke_search_hook_internal (&aname, TRUE, TRUE);
988 * Here we must advice that the error was due to
989 * a non loaded reference using the ReflectionOnly api
992 reference = REFERENCE_MISSING;
994 reference = mono_assembly_load (&aname, image->assembly? image->assembly->basedir: NULL, &status);
996 if (reference == NULL){
999 if (status == MONO_IMAGE_ERROR_ERRNO && errno == ENOENT) {
1000 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 : "" );
1001 } else if (status == MONO_IMAGE_ERROR_ERRNO) {
1002 extra_msg = g_strdup_printf ("System error: %s\n", strerror (errno));
1003 } else if (status == MONO_IMAGE_MISSING_ASSEMBLYREF) {
1004 extra_msg = g_strdup ("Cannot find an assembly referenced from this one.\n");
1005 } else if (status == MONO_IMAGE_IMAGE_INVALID) {
1006 extra_msg = g_strdup ("The file exists but is not a valid assembly.\n");
1008 extra_msg = g_strdup ("");
1011 mono_trace (G_LOG_LEVEL_WARNING, MONO_TRACE_ASSEMBLY, "The following assembly referenced from %s could not be loaded:\n"
1012 " Assembly: %s (assemblyref_index=%d)\n"
1013 " Version: %d.%d.%d.%d\n"
1014 " Public Key: %s\n%s",
1015 image->name, aname.name, index,
1016 aname.major, aname.minor, aname.build, aname.revision,
1017 strlen ((char*)aname.public_key_token) == 0 ? "(none)" : (char*)aname.public_key_token, extra_msg);
1021 mono_assemblies_lock ();
1022 if (reference == NULL) {
1023 /* Flag as not found */
1024 reference = REFERENCE_MISSING;
1027 if (!image->references [index]) {
1028 if (reference != REFERENCE_MISSING){
1029 mono_assembly_addref (reference);
1030 if (image->assembly)
1031 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_ASSEMBLY, "Assembly Ref addref %s[%p] -> %s[%p]: %d",
1032 image->assembly->aname.name, image->assembly, reference->aname.name, reference, reference->ref_count);
1034 if (image->assembly)
1035 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_ASSEMBLY, "Failed to load assembly %s[%p]\n",
1036 image->assembly->aname.name, image->assembly);
1039 image->references [index] = reference;
1041 mono_assemblies_unlock ();
1043 if (image->references [index] != reference) {
1044 /* Somebody loaded it before us */
1045 mono_assembly_close (reference);
1050 mono_assembly_load_references (MonoImage *image, MonoImageOpenStatus *status)
1052 /* This is a no-op now but it is part of the embedding API so we can't remove it */
1053 *status = MONO_IMAGE_OK;
1056 typedef struct AssemblyLoadHook AssemblyLoadHook;
1057 struct AssemblyLoadHook {
1058 AssemblyLoadHook *next;
1059 MonoAssemblyLoadFunc func;
1063 AssemblyLoadHook *assembly_load_hook = NULL;
1066 mono_assembly_invoke_load_hook (MonoAssembly *ass)
1068 AssemblyLoadHook *hook;
1070 for (hook = assembly_load_hook; hook; hook = hook->next) {
1071 hook->func (ass, hook->user_data);
1076 mono_install_assembly_load_hook (MonoAssemblyLoadFunc func, gpointer user_data)
1078 AssemblyLoadHook *hook;
1080 g_return_if_fail (func != NULL);
1082 hook = g_new0 (AssemblyLoadHook, 1);
1084 hook->user_data = user_data;
1085 hook->next = assembly_load_hook;
1086 assembly_load_hook = hook;
1090 free_assembly_load_hooks (void)
1092 AssemblyLoadHook *hook, *next;
1094 for (hook = assembly_load_hook; hook; hook = next) {
1100 typedef struct AssemblySearchHook AssemblySearchHook;
1101 struct AssemblySearchHook {
1102 AssemblySearchHook *next;
1103 MonoAssemblySearchFunc func;
1109 AssemblySearchHook *assembly_search_hook = NULL;
1111 static MonoAssembly*
1112 mono_assembly_invoke_search_hook_internal (MonoAssemblyName *aname, gboolean refonly, gboolean postload)
1114 AssemblySearchHook *hook;
1116 for (hook = assembly_search_hook; hook; hook = hook->next) {
1117 if ((hook->refonly == refonly) && (hook->postload == postload)) {
1118 MonoAssembly *ass = hook->func (aname, hook->user_data);
1128 mono_assembly_invoke_search_hook (MonoAssemblyName *aname)
1130 return mono_assembly_invoke_search_hook_internal (aname, FALSE, FALSE);
1134 mono_install_assembly_search_hook_internal (MonoAssemblySearchFunc func, gpointer user_data, gboolean refonly, gboolean postload)
1136 AssemblySearchHook *hook;
1138 g_return_if_fail (func != NULL);
1140 hook = g_new0 (AssemblySearchHook, 1);
1142 hook->user_data = user_data;
1143 hook->refonly = refonly;
1144 hook->postload = postload;
1145 hook->next = assembly_search_hook;
1146 assembly_search_hook = hook;
1150 mono_install_assembly_search_hook (MonoAssemblySearchFunc func, gpointer user_data)
1152 mono_install_assembly_search_hook_internal (func, user_data, FALSE, FALSE);
1156 free_assembly_search_hooks (void)
1158 AssemblySearchHook *hook, *next;
1160 for (hook = assembly_search_hook; hook; hook = next) {
1167 mono_install_assembly_refonly_search_hook (MonoAssemblySearchFunc func, gpointer user_data)
1169 mono_install_assembly_search_hook_internal (func, user_data, TRUE, FALSE);
1173 mono_install_assembly_postload_search_hook (MonoAssemblySearchFunc func, gpointer user_data)
1175 mono_install_assembly_search_hook_internal (func, user_data, FALSE, TRUE);
1179 mono_install_assembly_postload_refonly_search_hook (MonoAssemblySearchFunc func, gpointer user_data)
1181 mono_install_assembly_search_hook_internal (func, user_data, TRUE, TRUE);
1184 typedef struct AssemblyPreLoadHook AssemblyPreLoadHook;
1185 struct AssemblyPreLoadHook {
1186 AssemblyPreLoadHook *next;
1187 MonoAssemblyPreLoadFunc func;
1191 static AssemblyPreLoadHook *assembly_preload_hook = NULL;
1192 static AssemblyPreLoadHook *assembly_refonly_preload_hook = NULL;
1194 static MonoAssembly *
1195 invoke_assembly_preload_hook (MonoAssemblyName *aname, gchar **assemblies_path)
1197 AssemblyPreLoadHook *hook;
1198 MonoAssembly *assembly;
1200 for (hook = assembly_preload_hook; hook; hook = hook->next) {
1201 assembly = hook->func (aname, assemblies_path, hook->user_data);
1202 if (assembly != NULL)
1209 static MonoAssembly *
1210 invoke_assembly_refonly_preload_hook (MonoAssemblyName *aname, gchar **assemblies_path)
1212 AssemblyPreLoadHook *hook;
1213 MonoAssembly *assembly;
1215 for (hook = assembly_refonly_preload_hook; hook; hook = hook->next) {
1216 assembly = hook->func (aname, assemblies_path, hook->user_data);
1217 if (assembly != NULL)
1225 mono_install_assembly_preload_hook (MonoAssemblyPreLoadFunc func, gpointer user_data)
1227 AssemblyPreLoadHook *hook;
1229 g_return_if_fail (func != NULL);
1231 hook = g_new0 (AssemblyPreLoadHook, 1);
1233 hook->user_data = user_data;
1234 hook->next = assembly_preload_hook;
1235 assembly_preload_hook = hook;
1239 mono_install_assembly_refonly_preload_hook (MonoAssemblyPreLoadFunc func, gpointer user_data)
1241 AssemblyPreLoadHook *hook;
1243 g_return_if_fail (func != NULL);
1245 hook = g_new0 (AssemblyPreLoadHook, 1);
1247 hook->user_data = user_data;
1248 hook->next = assembly_refonly_preload_hook;
1249 assembly_refonly_preload_hook = hook;
1253 free_assembly_preload_hooks (void)
1255 AssemblyPreLoadHook *hook, *next;
1257 for (hook = assembly_preload_hook; hook; hook = next) {
1262 for (hook = assembly_refonly_preload_hook; hook; hook = next) {
1269 absolute_dir (const gchar *filename)
1280 if (g_path_is_absolute (filename)) {
1281 part = g_path_get_dirname (filename);
1282 res = g_strconcat (part, G_DIR_SEPARATOR_S, NULL);
1287 cwd = g_get_current_dir ();
1288 mixed = g_build_filename (cwd, filename, NULL);
1289 parts = g_strsplit (mixed, G_DIR_SEPARATOR_S, 0);
1294 for (i = 0; (part = parts [i]) != NULL; i++) {
1295 if (!strcmp (part, "."))
1298 if (!strcmp (part, "..")) {
1299 if (list && list->next) /* Don't remove root */
1300 list = g_list_delete_link (list, list);
1302 list = g_list_prepend (list, part);
1306 result = g_string_new ("");
1307 list = g_list_reverse (list);
1309 /* Ignores last data pointer, which should be the filename */
1310 for (tmp = list; tmp && tmp->next != NULL; tmp = tmp->next){
1312 g_string_append_printf (result, "%s%c", (char *) tmp->data,
1317 g_string_free (result, FALSE);
1322 return g_strdup (".");
1329 * mono_assembly_open_from_bundle:
1330 * @filename: Filename requested
1331 * @status: return value
1333 * This routine tries to open the assembly specified by `filename' from the
1334 * defined bundles, if found, returns the MonoImage for it, if not found
1338 mono_assembly_open_from_bundle (const char *filename, MonoImageOpenStatus *status, gboolean refonly)
1342 MonoImage *image = NULL;
1345 * we do a very simple search for bundled assemblies: it's not a general
1346 * purpose assembly loading mechanism.
1352 name = g_path_get_basename (filename);
1354 mono_assemblies_lock ();
1355 for (i = 0; !image && bundles [i]; ++i) {
1356 if (strcmp (bundles [i]->name, name) == 0) {
1357 image = mono_image_open_from_data_with_name ((char*)bundles [i]->data, bundles [i]->size, FALSE, status, refonly, name);
1361 mono_assemblies_unlock ();
1364 mono_image_addref (image);
1371 mono_assembly_open_full (const char *filename, MonoImageOpenStatus *status, gboolean refonly)
1375 MonoImageOpenStatus def_status;
1379 g_return_val_if_fail (filename != NULL, NULL);
1382 status = &def_status;
1383 *status = MONO_IMAGE_OK;
1385 if (strncmp (filename, "file://", 7) == 0) {
1386 GError *error = NULL;
1387 gchar *uri = (gchar *) filename;
1391 * MS allows file://c:/... and fails on file://localhost/c:/...
1392 * They also throw an IndexOutOfRangeException if "file://"
1395 uri = g_strdup_printf ("file:///%s", uri + 7);
1398 uri = mono_escape_uri_string (tmpuri);
1399 fname = g_filename_from_uri (uri, NULL, &error);
1402 if (tmpuri != filename)
1405 if (error != NULL) {
1406 g_warning ("%s\n", error->message);
1407 g_error_free (error);
1408 fname = g_strdup (filename);
1411 fname = g_strdup (filename);
1414 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_ASSEMBLY,
1415 "Assembly Loader probing location: '%s'.", fname);
1418 if (!mono_assembly_is_in_gac (fname))
1419 new_fname = mono_make_shadow_copy (fname);
1420 if (new_fname && new_fname != fname) {
1423 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_ASSEMBLY,
1424 "Assembly Loader shadow-copied assembly to: '%s'.", fname);
1429 if (bundles != NULL)
1430 image = mono_assembly_open_from_bundle (fname, status, refonly);
1433 image = mono_image_open_full (fname, status, refonly);
1436 if (*status == MONO_IMAGE_OK)
1437 *status = MONO_IMAGE_ERROR_ERRNO;
1442 if (image->assembly) {
1443 /* Already loaded by another appdomain */
1444 mono_assembly_invoke_load_hook (image->assembly);
1445 mono_image_close (image);
1447 return image->assembly;
1450 ass = mono_assembly_load_from_full (image, fname, status, refonly);
1453 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_ASSEMBLY,
1454 "Assembly Loader loaded assembly from location: '%s'.", filename);
1456 mono_config_for_assembly (ass->image);
1459 /* Clear the reference added by mono_image_open */
1460 mono_image_close (image);
1468 free_item (gpointer val, gpointer user_data)
1474 * mono_assembly_load_friends:
1477 * Load the list of friend assemblies that are allowed to access
1478 * the assembly's internal types and members. They are stored as assembly
1479 * names in custom attributes.
1481 * This is an internal method, we need this because when we load mscorlib
1482 * we do not have the mono_defaults.internals_visible_class loaded yet,
1483 * so we need to load these after we initialize the runtime.
1485 * LOCKING: Acquires the assemblies lock plus the loader lock.
1488 mono_assembly_load_friends (MonoAssembly* ass)
1491 MonoCustomAttrInfo* attrs;
1494 if (ass->friend_assembly_names_inited)
1497 attrs = mono_custom_attrs_from_assembly (ass);
1499 mono_assemblies_lock ();
1500 ass->friend_assembly_names_inited = TRUE;
1501 mono_assemblies_unlock ();
1505 mono_assemblies_lock ();
1506 if (ass->friend_assembly_names_inited) {
1507 mono_assemblies_unlock ();
1510 mono_assemblies_unlock ();
1514 * We build the list outside the assemblies lock, the worse that can happen
1515 * is that we'll need to free the allocated list.
1517 for (i = 0; i < attrs->num_attrs; ++i) {
1518 MonoCustomAttrEntry *attr = &attrs->attrs [i];
1519 MonoAssemblyName *aname;
1522 /* Do some sanity checking */
1523 if (!attr->ctor || attr->ctor->klass != mono_defaults.internals_visible_class)
1525 if (attr->data_size < 4)
1527 data = (const char*)attr->data;
1528 /* 0xFF means null string, see custom attr format */
1529 if (data [0] != 1 || data [1] != 0 || (data [2] & 0xFF) == 0xFF)
1531 slen = mono_metadata_decode_value (data + 2, &data);
1532 aname = g_new0 (MonoAssemblyName, 1);
1533 /*g_print ("friend ass: %s\n", data);*/
1534 if (mono_assembly_name_parse_full (data, aname, TRUE, NULL, NULL)) {
1535 list = g_slist_prepend (list, aname);
1540 mono_custom_attrs_free (attrs);
1542 mono_assemblies_lock ();
1543 if (ass->friend_assembly_names_inited) {
1544 mono_assemblies_unlock ();
1545 g_slist_foreach (list, free_item, NULL);
1546 g_slist_free (list);
1549 ass->friend_assembly_names = list;
1551 /* Because of the double checked locking pattern above */
1552 mono_memory_barrier ();
1553 ass->friend_assembly_names_inited = TRUE;
1554 mono_assemblies_unlock ();
1558 * mono_assembly_open:
1559 * @filename: Opens the assembly pointed out by this name
1560 * @status: where a status code can be returned
1562 * mono_assembly_open opens the PE-image pointed by @filename, and
1563 * loads any external assemblies referenced by it.
1565 * Return: a pointer to the MonoAssembly if @filename contains a valid
1566 * assembly or NULL on error. Details about the error are stored in the
1570 mono_assembly_open (const char *filename, MonoImageOpenStatus *status)
1572 return mono_assembly_open_full (filename, status, FALSE);
1576 mono_assembly_load_from_full (MonoImage *image, const char*fname,
1577 MonoImageOpenStatus *status, gboolean refonly)
1579 MonoAssembly *ass, *ass2;
1582 if (!image->tables [MONO_TABLE_ASSEMBLY].rows) {
1583 /* 'image' doesn't have a manifest -- maybe someone is trying to Assembly.Load a .netmodule */
1584 *status = MONO_IMAGE_IMAGE_INVALID;
1588 #if defined (HOST_WIN32)
1593 tmp_fn = g_strdup (fname);
1594 for (i = strlen (tmp_fn) - 1; i >= 0; i--) {
1595 if (tmp_fn [i] == '/')
1599 base_dir = absolute_dir (tmp_fn);
1603 base_dir = absolute_dir (fname);
1607 * Create assembly struct, and enter it into the assembly cache
1609 ass = g_new0 (MonoAssembly, 1);
1610 ass->basedir = base_dir;
1611 ass->ref_only = refonly;
1614 mono_profiler_assembly_event (ass, MONO_PROFILE_START_LOAD);
1616 mono_assembly_fill_assembly_name (image, &ass->aname);
1618 if (mono_defaults.corlib && strcmp (ass->aname.name, "mscorlib") == 0) {
1619 // MS.NET doesn't support loading other mscorlibs
1622 mono_image_addref (mono_defaults.corlib);
1623 *status = MONO_IMAGE_OK;
1624 return mono_defaults.corlib->assembly;
1627 /* Add a non-temporary reference because of ass->image */
1628 mono_image_addref (image);
1630 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);
1633 * The load hooks might take locks so we can't call them while holding the
1636 if (ass->aname.name) {
1637 ass2 = mono_assembly_invoke_search_hook_internal (&ass->aname, refonly, FALSE);
1641 mono_image_close (image);
1642 *status = MONO_IMAGE_OK;
1647 mono_assemblies_lock ();
1649 if (image->assembly) {
1651 * This means another thread has already loaded the assembly, but not yet
1652 * called the load hooks so the search hook can't find the assembly.
1654 mono_assemblies_unlock ();
1655 ass2 = image->assembly;
1658 mono_image_close (image);
1659 *status = MONO_IMAGE_OK;
1663 image->assembly = ass;
1665 loaded_assemblies = g_list_prepend (loaded_assemblies, ass);
1666 mono_assemblies_unlock ();
1669 if (image->is_module_handle)
1670 mono_image_fixup_vtable (image);
1673 mono_assembly_invoke_load_hook (ass);
1675 mono_profiler_assembly_loaded (ass, MONO_PROFILE_OK);
1681 mono_assembly_load_from (MonoImage *image, const char *fname,
1682 MonoImageOpenStatus *status)
1684 return mono_assembly_load_from_full (image, fname, status, FALSE);
1688 * mono_assembly_name_free:
1689 * @aname: assembly name to free
1691 * Frees the provided assembly name object.
1692 * (it does not frees the object itself, only the name members).
1695 mono_assembly_name_free (MonoAssemblyName *aname)
1700 g_free ((void *) aname->name);
1701 g_free ((void *) aname->culture);
1702 g_free ((void *) aname->hash_value);
1706 parse_public_key (const gchar *key, gchar** pubkey, gboolean *is_ecma)
1709 gchar header [16], val, *arr;
1710 gint i, j, offset, bitlen, keylen, pkeylen;
1712 keylen = strlen (key) >> 1;
1716 /* allow the ECMA standard key */
1717 if (strcmp (key, "00000000000000000400000000000000") == 0) {
1719 *pubkey = g_strdup (key);
1725 val = g_ascii_xdigit_value (key [0]) << 4;
1726 val |= g_ascii_xdigit_value (key [1]);
1731 val = g_ascii_xdigit_value (key [24]);
1732 val |= g_ascii_xdigit_value (key [25]);
1744 /* We need the first 16 bytes
1745 * to check whether this key is valid or not */
1746 pkeylen = strlen (pkey) >> 1;
1750 for (i = 0, j = 0; i < 16; i++) {
1751 header [i] = g_ascii_xdigit_value (pkey [j++]) << 4;
1752 header [i] |= g_ascii_xdigit_value (pkey [j++]);
1755 if (header [0] != 0x06 || /* PUBLICKEYBLOB (0x06) */
1756 header [1] != 0x02 || /* Version (0x02) */
1757 header [2] != 0x00 || /* Reserved (word) */
1758 header [3] != 0x00 ||
1759 (guint)(read32 (header + 8)) != 0x31415352) /* DWORD magic = RSA1 */
1762 /* Based on this length, we _should_ be able to know if the length is right */
1763 bitlen = read32 (header + 12) >> 3;
1764 if ((bitlen + 16 + 4) != pkeylen)
1767 /* parsing is OK and the public key itself is not requested back */
1771 /* Encode the size of the blob */
1773 if (keylen <= 127) {
1774 arr = g_malloc (keylen + 1);
1775 arr [offset++] = keylen;
1777 arr = g_malloc (keylen + 2);
1778 arr [offset++] = 0x80; /* 10bs */
1779 arr [offset++] = keylen;
1782 for (i = offset, j = 0; i < keylen + offset; i++) {
1783 arr [i] = g_ascii_xdigit_value (key [j++]) << 4;
1784 arr [i] |= g_ascii_xdigit_value (key [j++]);
1793 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)
1795 gint major, minor, build, revision;
1798 gchar *pkey, *pkeyptr, *encoded, tok [8];
1800 memset (aname, 0, sizeof (MonoAssemblyName));
1803 version_parts = sscanf (version, "%u.%u.%u.%u", &major, &minor, &build, &revision);
1804 if (version_parts < 2 || version_parts > 4)
1807 /* FIXME: we should set build & revision to -1 (instead of 0)
1808 if these are not set in the version string. That way, later on,
1809 we can still determine if these were specified. */
1810 aname->major = major;
1811 aname->minor = minor;
1812 if (version_parts >= 3)
1813 aname->build = build;
1816 if (version_parts == 4)
1817 aname->revision = revision;
1819 aname->revision = 0;
1822 aname->flags = flags;
1824 aname->name = g_strdup (name);
1827 if (g_ascii_strcasecmp (culture, "neutral") == 0)
1828 aname->culture = g_strdup ("");
1830 aname->culture = g_strdup (culture);
1833 if (token && strncmp (token, "null", 4) != 0) {
1836 /* the constant includes the ending NULL, hence the -1 */
1837 if (strlen (token) != (MONO_PUBLIC_KEY_TOKEN_LENGTH - 1)) {
1838 mono_assembly_name_free (aname);
1841 lower = g_ascii_strdown (token, MONO_PUBLIC_KEY_TOKEN_LENGTH);
1842 g_strlcpy ((char*)aname->public_key_token, lower, MONO_PUBLIC_KEY_TOKEN_LENGTH);
1848 if (strcmp (key, "null") == 0 || !parse_public_key (key, &pkey, &is_ecma)) {
1849 mono_assembly_name_free (aname);
1854 if (save_public_key)
1855 aname->public_key = (guint8*)pkey;
1858 g_strlcpy ((gchar*)aname->public_key_token, "b77a5c561934e089", MONO_PUBLIC_KEY_TOKEN_LENGTH);
1862 len = mono_metadata_decode_blob_size ((const gchar *) pkey, (const gchar **) &pkeyptr);
1863 // We also need to generate the key token
1864 mono_digest_get_public_token ((guchar*) tok, (guint8*) pkeyptr, len);
1865 encoded = encode_public_tok ((guchar*) tok, 8);
1866 g_strlcpy ((gchar*)aname->public_key_token, encoded, MONO_PUBLIC_KEY_TOKEN_LENGTH);
1869 if (save_public_key)
1870 aname->public_key = (guint8*) pkey;
1879 parse_assembly_directory_name (const char *name, const char *dirname, MonoAssemblyName *aname)
1884 parts = g_strsplit (dirname, "_", 3);
1885 if (!parts || !parts[0] || !parts[1] || !parts[2]) {
1890 res = build_assembly_name (name, parts[0], parts[1], parts[2], NULL, 0, 0, aname, FALSE);
1896 split_key_value (const gchar *pair, gchar **key, guint32 *keylen, gchar **value)
1898 char *eqsign = strchr (pair, '=');
1906 *key = (gchar*)pair;
1907 *keylen = eqsign - *key;
1908 while (*keylen > 0 && g_ascii_isspace ((*key) [*keylen - 1]))
1910 *value = g_strstrip (eqsign + 1);
1915 mono_assembly_name_parse_full (const char *name, MonoAssemblyName *aname, gboolean save_public_key, gboolean *is_version_defined, gboolean *is_token_defined)
1918 gchar *version = NULL;
1919 gchar *culture = NULL;
1920 gchar *token = NULL;
1922 gchar *retargetable = NULL;
1924 gchar *value, *part_name;
1925 guint32 part_name_len;
1928 gboolean version_defined;
1929 gboolean token_defined;
1931 guint32 arch = MONO_PROCESSOR_ARCHITECTURE_NONE;
1933 if (!is_version_defined)
1934 is_version_defined = &version_defined;
1935 *is_version_defined = FALSE;
1936 if (!is_token_defined)
1937 is_token_defined = &token_defined;
1938 *is_token_defined = FALSE;
1940 parts = tmp = g_strsplit (name, ",", 6);
1941 if (!tmp || !*tmp) {
1946 dllname = g_strstrip (*tmp);
1951 if (!split_key_value (g_strstrip (*tmp), &part_name, &part_name_len, &value))
1952 goto cleanup_and_fail;
1954 if (part_name_len == 7 && !g_ascii_strncasecmp (part_name, "Version", part_name_len)) {
1955 *is_version_defined = TRUE;
1957 if (strlen (version) == 0) {
1958 goto cleanup_and_fail;
1964 if (part_name_len == 7 && !g_ascii_strncasecmp (part_name, "Culture", part_name_len)) {
1966 if (strlen (culture) == 0) {
1967 goto cleanup_and_fail;
1973 if (part_name_len == 14 && !g_ascii_strncasecmp (part_name, "PublicKeyToken", part_name_len)) {
1974 *is_token_defined = TRUE;
1976 if (strlen (token) == 0) {
1977 goto cleanup_and_fail;
1983 if (part_name_len == 9 && !g_ascii_strncasecmp (part_name, "PublicKey", part_name_len)) {
1985 if (strlen (key) == 0) {
1986 goto cleanup_and_fail;
1992 if (part_name_len == 12 && !g_ascii_strncasecmp (part_name, "Retargetable", part_name_len)) {
1993 retargetable = value;
1994 if (strlen (retargetable) == 0) {
1995 goto cleanup_and_fail;
1997 if (!g_ascii_strcasecmp (retargetable, "yes")) {
1998 flags |= ASSEMBLYREF_RETARGETABLE_FLAG;
1999 } else if (g_ascii_strcasecmp (retargetable, "no")) {
2000 goto cleanup_and_fail;
2006 if (part_name_len == 21 && !g_ascii_strncasecmp (part_name, "ProcessorArchitecture", part_name_len)) {
2007 if (!g_ascii_strcasecmp (value, "None"))
2008 arch = MONO_PROCESSOR_ARCHITECTURE_NONE;
2009 else if (!g_ascii_strcasecmp (value, "MSIL"))
2010 arch = MONO_PROCESSOR_ARCHITECTURE_MSIL;
2011 else if (!g_ascii_strcasecmp (value, "X86"))
2012 arch = MONO_PROCESSOR_ARCHITECTURE_X86;
2013 else if (!g_ascii_strcasecmp (value, "IA64"))
2014 arch = MONO_PROCESSOR_ARCHITECTURE_IA64;
2015 else if (!g_ascii_strcasecmp (value, "AMD64"))
2016 arch = MONO_PROCESSOR_ARCHITECTURE_AMD64;
2018 goto cleanup_and_fail;
2027 /* if retargetable flag is set, then we must have a fully qualified name */
2028 if (retargetable != NULL && (version == NULL || culture == NULL || (key == NULL && token == NULL))) {
2029 goto cleanup_and_fail;
2032 res = build_assembly_name (dllname, version, culture, token, key, flags, arch,
2033 aname, save_public_key);
2043 * mono_assembly_name_parse:
2044 * @name: name to parse
2045 * @aname: the destination assembly name
2047 * Parses an assembly qualified type name and assigns the name,
2048 * version, culture and token to the provided assembly name object.
2050 * Returns: true if the name could be parsed.
2053 mono_assembly_name_parse (const char *name, MonoAssemblyName *aname)
2055 return mono_assembly_name_parse_full (name, aname, FALSE, NULL, NULL);
2059 * mono_assembly_name_new:
2060 * @name: name to parse
2062 * Allocate a new MonoAssemblyName and fill its values from the
2065 * Returns: a newly allocated structure or NULL if there was any failure.
2068 mono_assembly_name_new (const char *name)
2070 MonoAssemblyName *aname = g_new0 (MonoAssemblyName, 1);
2071 if (mono_assembly_name_parse (name, aname))
2078 mono_assembly_name_get_name (MonoAssemblyName *aname)
2084 mono_assembly_name_get_culture (MonoAssemblyName *aname)
2086 return aname->culture;
2090 mono_assembly_name_get_pubkeytoken (MonoAssemblyName *aname)
2092 if (aname->public_key_token [0])
2093 return aname->public_key_token;
2098 mono_assembly_name_get_version (MonoAssemblyName *aname, uint16_t *minor, uint16_t *build, uint16_t *revision)
2101 *minor = aname->minor;
2103 *build = aname->build;
2105 *revision = aname->revision;
2106 return aname->major;
2109 static MonoAssembly*
2110 probe_for_partial_name (const char *basepath, const char *fullname, MonoAssemblyName *aname, MonoImageOpenStatus *status)
2112 gchar *fullpath = NULL;
2114 const char* direntry;
2115 MonoAssemblyName gac_aname;
2116 gint major=-1, minor=0, build=0, revision=0;
2117 gboolean exact_version;
2119 dirhandle = g_dir_open (basepath, 0, NULL);
2123 exact_version = (aname->major | aname->minor | aname->build | aname->revision) != 0;
2125 while ((direntry = g_dir_read_name (dirhandle))) {
2126 gboolean match = TRUE;
2128 if(!parse_assembly_directory_name (aname->name, direntry, &gac_aname))
2131 if (aname->culture != NULL && strcmp (aname->culture, gac_aname.culture) != 0)
2134 if (match && strlen ((char*)aname->public_key_token) > 0 &&
2135 !mono_public_tokens_are_equal (aname->public_key_token, gac_aname.public_key_token))
2139 if (exact_version) {
2140 match = (aname->major == gac_aname.major && aname->minor == gac_aname.minor &&
2141 aname->build == gac_aname.build && aname->revision == gac_aname.revision);
2143 else if (gac_aname.major < major)
2145 else if (gac_aname.major == major) {
2146 if (gac_aname.minor < minor)
2148 else if (gac_aname.minor == minor) {
2149 if (gac_aname.build < build)
2151 else if (gac_aname.build == build && gac_aname.revision <= revision)
2158 major = gac_aname.major;
2159 minor = gac_aname.minor;
2160 build = gac_aname.build;
2161 revision = gac_aname.revision;
2163 fullpath = g_build_path (G_DIR_SEPARATOR_S, basepath, direntry, fullname, NULL);
2166 mono_assembly_name_free (&gac_aname);
2169 g_dir_close (dirhandle);
2171 if (fullpath == NULL)
2174 MonoAssembly *res = mono_assembly_open (fullpath, status);
2181 mono_assembly_load_with_partial_name (const char *name, MonoImageOpenStatus *status)
2184 MonoAssemblyName *aname, base_name;
2185 #ifndef DISABLE_ASSEMBLY_REMAPPING
2186 MonoAssemblyName maped_aname;
2188 gchar *fullname, *gacpath;
2191 memset (&base_name, 0, sizeof (MonoAssemblyName));
2194 if (!mono_assembly_name_parse (name, aname))
2197 #ifndef DISABLE_ASSEMBLY_REMAPPING
2199 * If no specific version has been requested, make sure we load the
2200 * correct version for system assemblies.
2202 if ((aname->major | aname->minor | aname->build | aname->revision) == 0)
2203 aname = mono_assembly_remap_version (aname, &maped_aname);
2206 res = mono_assembly_loaded (aname);
2208 mono_assembly_name_free (aname);
2212 res = invoke_assembly_preload_hook (aname, assemblies_path);
2214 res->in_gac = FALSE;
2215 mono_assembly_name_free (aname);
2219 fullname = g_strdup_printf ("%s.dll", aname->name);
2221 if (extra_gac_paths) {
2222 paths = extra_gac_paths;
2223 while (!res && *paths) {
2224 gacpath = g_build_path (G_DIR_SEPARATOR_S, *paths, "lib", "mono", "gac", aname->name, NULL);
2225 res = probe_for_partial_name (gacpath, fullname, aname, status);
2234 mono_assembly_name_free (aname);
2238 gacpath = g_build_path (G_DIR_SEPARATOR_S, mono_assembly_getrootdir (), "mono", "gac", aname->name, NULL);
2239 res = probe_for_partial_name (gacpath, fullname, aname, status);
2245 MonoDomain *domain = mono_domain_get ();
2246 MonoReflectionAssembly *refasm = mono_try_assembly_resolve (domain, mono_string_new (domain, name), FALSE);
2248 res = refasm->assembly;
2252 mono_assembly_name_free (aname);
2258 mono_assembly_is_in_gac (const gchar *filename)
2260 const gchar *rootdir;
2264 if (filename == NULL)
2267 for (paths = extra_gac_paths; paths && *paths; paths++) {
2268 if (strstr (*paths, filename) != *paths)
2271 gp = (gchar *) (filename + strlen (*paths));
2272 if (*gp != G_DIR_SEPARATOR)
2275 if (strncmp (gp, "lib", 3))
2278 if (*gp != G_DIR_SEPARATOR)
2281 if (strncmp (gp, "mono", 4))
2284 if (*gp != G_DIR_SEPARATOR)
2287 if (strncmp (gp, "gac", 3))
2290 if (*gp != G_DIR_SEPARATOR)
2296 rootdir = mono_assembly_getrootdir ();
2297 if (strstr (filename, rootdir) != filename)
2300 gp = (gchar *) (filename + strlen (rootdir));
2301 if (*gp != G_DIR_SEPARATOR)
2304 if (strncmp (gp, "mono", 4))
2307 if (*gp != G_DIR_SEPARATOR)
2310 if (strncmp (gp, "gac", 3))
2313 if (*gp != G_DIR_SEPARATOR)
2319 mono_assembly_load_publisher_policy (MonoAssemblyName *aname)
2322 gchar *filename, *pname, *name, *culture, *version, *fullpath, *subpath;
2326 if (strstr (aname->name, ".dll")) {
2327 len = strlen (aname->name) - 4;
2328 name = g_malloc (len);
2329 strncpy (name, aname->name, len);
2331 name = g_strdup (aname->name);
2334 culture = g_utf8_strdown (aname->culture, -1);
2336 culture = g_strdup ("");
2338 pname = g_strdup_printf ("policy.%d.%d.%s", aname->major, aname->minor, name);
2339 version = g_strdup_printf ("0.0.0.0_%s_%s", culture, aname->public_key_token);
2343 filename = g_strconcat (pname, ".dll", NULL);
2344 subpath = g_build_path (G_DIR_SEPARATOR_S, pname, version, filename, NULL);
2350 if (extra_gac_paths) {
2351 paths = extra_gac_paths;
2352 while (!image && *paths) {
2353 fullpath = g_build_path (G_DIR_SEPARATOR_S, *paths,
2354 "lib", "mono", "gac", subpath, NULL);
2355 image = mono_image_open (fullpath, NULL);
2366 fullpath = g_build_path (G_DIR_SEPARATOR_S, mono_assembly_getrootdir (),
2367 "mono", "gac", subpath, NULL);
2368 image = mono_image_open (fullpath, NULL);
2375 static MonoAssemblyName*
2376 mono_assembly_bind_version (MonoAssemblyBindingInfo *info, MonoAssemblyName *aname, MonoAssemblyName *dest_name)
2378 memcpy (dest_name, aname, sizeof (MonoAssemblyName));
2379 dest_name->major = info->new_version.major;
2380 dest_name->minor = info->new_version.minor;
2381 dest_name->build = info->new_version.build;
2382 dest_name->revision = info->new_version.revision;
2387 /* LOCKING: Assumes that we are already locked */
2388 static MonoAssemblyBindingInfo*
2389 search_binding_loaded (MonoAssemblyName *aname)
2393 for (tmp = loaded_assembly_bindings; tmp; tmp = tmp->next) {
2394 MonoAssemblyBindingInfo *info = tmp->data;
2395 if (assembly_binding_maps_name (info, aname))
2402 static inline gboolean
2403 info_compare_versions (AssemblyVersionSet *left, AssemblyVersionSet *right)
2405 if (left->major != right->major || left->minor != right->minor ||
2406 left->build != right->build || left->revision != right->revision)
2412 static inline gboolean
2413 info_versions_equal (MonoAssemblyBindingInfo *left, MonoAssemblyBindingInfo *right)
2415 if (left->has_old_version_bottom != right->has_old_version_bottom)
2418 if (left->has_old_version_top != right->has_old_version_top)
2421 if (left->has_new_version != right->has_new_version)
2424 if (left->has_old_version_bottom && !info_compare_versions (&left->old_version_bottom, &right->old_version_bottom))
2427 if (left->has_old_version_top && !info_compare_versions (&left->old_version_top, &right->old_version_top))
2430 if (left->has_new_version && !info_compare_versions (&left->new_version, &right->new_version))
2436 /* LOCKING: assumes all the necessary locks are held */
2438 assembly_binding_info_parsed (MonoAssemblyBindingInfo *info, void *user_data)
2440 MonoAssemblyBindingInfo *info_copy;
2442 MonoAssemblyBindingInfo *info_tmp;
2443 MonoDomain *domain = (MonoDomain*)user_data;
2448 for (tmp = domain->assembly_bindings; tmp; tmp = tmp->next) {
2449 info_tmp = tmp->data;
2450 if (strcmp (info->name, info_tmp->name) == 0 && info_versions_equal (info, info_tmp))
2454 info_copy = mono_mempool_alloc0 (domain->mp, sizeof (MonoAssemblyBindingInfo));
2455 memcpy (info_copy, info, sizeof (MonoAssemblyBindingInfo));
2457 info_copy->name = mono_mempool_strdup (domain->mp, info->name);
2459 info_copy->culture = mono_mempool_strdup (domain->mp, info->culture);
2461 domain->assembly_bindings = g_slist_append_mempool (domain->mp, domain->assembly_bindings, info_copy);
2464 static inline gboolean
2465 info_major_minor_in_range (MonoAssemblyBindingInfo *info, MonoAssemblyName *aname)
2467 if (!info->has_old_version_bottom)
2470 if (info->old_version_bottom.major > aname->major || info->old_version_bottom.minor > aname->minor)
2473 if (info->has_old_version_top && (info->old_version_top.major < aname->major || info->old_version_top.minor < aname->minor))
2476 /* This is not the nicest way to do it, but it's a by-product of the way parsing is done */
2477 info->major = aname->major;
2478 info->minor = aname->minor;
2483 /* LOCKING: Assumes that we are already locked - both loader and domain locks */
2484 static MonoAssemblyBindingInfo*
2485 get_per_domain_assembly_binding_info (MonoDomain *domain, MonoAssemblyName *aname)
2487 MonoAssemblyBindingInfo *info;
2490 if (!domain->assembly_bindings)
2494 for (list = domain->assembly_bindings; list; list = list->next) {
2496 if (info && !strcmp (aname->name, info->name) && info_major_minor_in_range (info, aname))
2502 if (info->name && info->public_key_token [0] && info->has_old_version_bottom &&
2503 info->has_new_version && assembly_binding_maps_name (info, aname))
2504 info->is_valid = TRUE;
2506 info->is_valid = FALSE;
2512 static MonoAssemblyName*
2513 mono_assembly_apply_binding (MonoAssemblyName *aname, MonoAssemblyName *dest_name)
2515 MonoAssemblyBindingInfo *info, *info2;
2519 if (aname->public_key_token [0] == 0)
2522 domain = mono_domain_get ();
2523 mono_loader_lock ();
2524 info = search_binding_loaded (aname);
2526 mono_domain_lock (domain);
2527 info = get_per_domain_assembly_binding_info (domain, aname);
2528 mono_domain_unlock (domain);
2531 mono_loader_unlock ();
2533 if (!check_policy_versions (info, aname))
2536 mono_assembly_bind_version (info, aname, dest_name);
2540 if (domain && domain->setup && domain->setup->configuration_file) {
2541 mono_domain_lock (domain);
2542 if (!domain->assembly_bindings_parsed) {
2543 gchar *domain_config_file_name = mono_string_to_utf8 (domain->setup->configuration_file);
2544 gchar *domain_config_file_path = mono_portability_find_file (domain_config_file_name, TRUE);
2546 if (!domain_config_file_path)
2547 domain_config_file_path = domain_config_file_name;
2549 mono_config_parse_assembly_bindings (domain_config_file_path, aname->major, aname->minor, domain, assembly_binding_info_parsed);
2550 domain->assembly_bindings_parsed = TRUE;
2551 if (domain_config_file_name != domain_config_file_path)
2552 g_free (domain_config_file_name);
2553 g_free (domain_config_file_path);
2555 mono_domain_unlock (domain);
2557 mono_loader_lock ();
2558 mono_domain_lock (domain);
2559 info2 = get_per_domain_assembly_binding_info (domain, aname);
2562 info = g_memdup (info2, sizeof (MonoAssemblyBindingInfo));
2563 info->name = g_strdup (info2->name);
2564 info->culture = g_strdup (info2->culture);
2565 info->domain_id = domain->domain_id;
2568 mono_domain_unlock (domain);
2569 mono_loader_unlock ();
2573 info = g_new0 (MonoAssemblyBindingInfo, 1);
2574 info->major = aname->major;
2575 info->minor = aname->minor;
2578 if (!info->is_valid) {
2579 ppimage = mono_assembly_load_publisher_policy (aname);
2581 get_publisher_policy_info (ppimage, aname, info);
2582 mono_image_close (ppimage);
2586 /* Define default error value if needed */
2587 if (!info->is_valid) {
2588 info->name = g_strdup (aname->name);
2589 info->culture = g_strdup (aname->culture);
2590 g_strlcpy ((char *)info->public_key_token, (const char *)aname->public_key_token, MONO_PUBLIC_KEY_TOKEN_LENGTH);
2593 mono_loader_lock ();
2594 info2 = search_binding_loaded (aname);
2596 /* This binding was added by another thread
2598 mono_assembly_binding_info_free (info);
2603 loaded_assembly_bindings = g_slist_prepend (loaded_assembly_bindings, info);
2605 mono_loader_unlock ();
2607 if (!info->is_valid || !check_policy_versions (info, aname))
2610 mono_assembly_bind_version (info, aname, dest_name);
2615 * mono_assembly_load_from_gac
2617 * @aname: The assembly name object
2619 static MonoAssembly*
2620 mono_assembly_load_from_gac (MonoAssemblyName *aname, gchar *filename, MonoImageOpenStatus *status, MonoBoolean refonly)
2622 MonoAssembly *result = NULL;
2623 gchar *name, *version, *culture, *fullpath, *subpath;
2628 if (aname->public_key_token [0] == 0) {
2632 if (strstr (aname->name, ".dll")) {
2633 len = strlen (filename) - 4;
2634 name = g_malloc (len);
2635 strncpy (name, aname->name, len);
2637 name = g_strdup (aname->name);
2640 if (aname->culture) {
2641 culture = g_utf8_strdown (aname->culture, -1);
2643 culture = g_strdup ("");
2646 pubtok = g_ascii_strdown ((char*)aname->public_key_token, MONO_PUBLIC_KEY_TOKEN_LENGTH);
2647 version = g_strdup_printf ("%d.%d.%d.%d_%s_%s", aname->major,
2648 aname->minor, aname->build, aname->revision,
2652 subpath = g_build_path (G_DIR_SEPARATOR_S, name, version, filename, NULL);
2657 if (extra_gac_paths) {
2658 paths = extra_gac_paths;
2659 while (!result && *paths) {
2660 fullpath = g_build_path (G_DIR_SEPARATOR_S, *paths, "lib", "mono", "gac", subpath, NULL);
2661 result = mono_assembly_open_full (fullpath, status, refonly);
2668 result->in_gac = TRUE;
2673 fullpath = g_build_path (G_DIR_SEPARATOR_S, mono_assembly_getrootdir (),
2674 "mono", "gac", subpath, NULL);
2675 result = mono_assembly_open_full (fullpath, status, refonly);
2679 result->in_gac = TRUE;
2687 mono_assembly_load_corlib (const MonoRuntimeInfo *runtime, MonoImageOpenStatus *status)
2690 MonoAssemblyName *aname;
2693 /* g_print ("corlib already loaded\n"); */
2697 #if defined(__native_client__)
2698 if (corlibData != NULL && corlibSize != 0) {
2700 /* First "FALSE" instructs mono not to make a copy. */
2701 /* Second "FALSE" says this is not just a ref. */
2702 MonoImage* image = mono_image_open_from_data_full (corlibData, corlibSize, FALSE, &status, FALSE);
2703 if (image == NULL || status != 0)
2704 g_print("mono_image_open_from_data_full failed: %d\n", status);
2705 corlib = mono_assembly_load_from_full (image, "mscorlib", &status, FALSE);
2706 if (corlib == NULL || status != 0)
2707 g_print ("mono_assembly_load_from_full failed: %d\n", status);
2713 aname = mono_assembly_name_new ("mscorlib.dll");
2714 corlib = invoke_assembly_preload_hook (aname, assemblies_path);
2715 mono_assembly_name_free (aname);
2720 if (assemblies_path) {
2721 corlib = load_in_path ("mscorlib.dll", (const char**)assemblies_path, status, FALSE);
2726 /* Load corlib from mono/<version> */
2728 corlib_file = g_build_filename ("mono", runtime->framework_version, "mscorlib.dll", NULL);
2729 if (assemblies_path) {
2730 corlib = load_in_path (corlib_file, (const char**)assemblies_path, status, FALSE);
2732 g_free (corlib_file);
2736 corlib = load_in_path (corlib_file, default_path, status, FALSE);
2737 g_free (corlib_file);
2743 mono_assembly_load_full_nosearch (MonoAssemblyName *aname,
2744 const char *basedir,
2745 MonoImageOpenStatus *status,
2748 MonoAssembly *result;
2749 char *fullpath, *filename;
2750 #ifndef DISABLE_ASSEMBLY_REMAPPING
2751 MonoAssemblyName maped_aname;
2753 MonoAssemblyName maped_name_pp;
2758 #ifndef DISABLE_ASSEMBLY_REMAPPING
2759 aname = mono_assembly_remap_version (aname, &maped_aname);
2762 /* Reflection only assemblies don't get assembly binding */
2764 aname = mono_assembly_apply_binding (aname, &maped_name_pp);
2766 result = mono_assembly_loaded_full (aname, refonly);
2770 result = refonly ? invoke_assembly_refonly_preload_hook (aname, assemblies_path) : invoke_assembly_preload_hook (aname, assemblies_path);
2772 result->in_gac = FALSE;
2776 /* Currently we retrieve the loaded corlib for reflection
2777 * only requests, like a common reflection only assembly
2779 if (strcmp (aname->name, "mscorlib") == 0 || strcmp (aname->name, "mscorlib.dll") == 0) {
2780 return mono_assembly_load_corlib (mono_get_runtime_info (), status);
2783 len = strlen (aname->name);
2784 for (ext_index = 0; ext_index < 2; ext_index ++) {
2785 ext = ext_index == 0 ? ".dll" : ".exe";
2786 if (len > 4 && (!strcmp (aname->name + len - 4, ".dll") || !strcmp (aname->name + len - 4, ".exe"))) {
2787 filename = g_strdup (aname->name);
2788 /* Don't try appending .dll/.exe if it already has one of those extensions */
2791 filename = g_strconcat (aname->name, ext, NULL);
2794 result = mono_assembly_load_from_gac (aname, filename, status, refonly);
2801 fullpath = g_build_filename (basedir, filename, NULL);
2802 result = mono_assembly_open_full (fullpath, status, refonly);
2805 result->in_gac = FALSE;
2811 result = load_in_path (filename, default_path, status, refonly);
2813 result->in_gac = FALSE;
2823 * mono_assembly_load_full:
2824 * @aname: A MonoAssemblyName with the assembly name to load.
2825 * @basedir: A directory to look up the assembly at.
2826 * @status: a pointer to a MonoImageOpenStatus to return the status of the load operation
2827 * @refonly: Whether this assembly is being opened in "reflection-only" mode.
2829 * Loads the assembly referenced by @aname, if the value of @basedir is not NULL, it
2830 * attempts to load the assembly from that directory before probing the standard locations.
2832 * If the assembly is being opened in reflection-only mode (@refonly set to TRUE) then no
2833 * assembly binding takes place.
2835 * Returns: the assembly referenced by @aname loaded or NULL on error. On error the
2836 * value pointed by status is updated with an error code.
2839 mono_assembly_load_full (MonoAssemblyName *aname, const char *basedir, MonoImageOpenStatus *status, gboolean refonly)
2841 MonoAssembly *result = mono_assembly_load_full_nosearch (aname, basedir, status, refonly);
2844 /* Try a postload search hook */
2845 result = mono_assembly_invoke_search_hook_internal (aname, refonly, TRUE);
2850 * mono_assembly_load:
2851 * @aname: A MonoAssemblyName with the assembly name to load.
2852 * @basedir: A directory to look up the assembly at.
2853 * @status: a pointer to a MonoImageOpenStatus to return the status of the load operation
2855 * Loads the assembly referenced by @aname, if the value of @basedir is not NULL, it
2856 * attempts to load the assembly from that directory before probing the standard locations.
2858 * Returns: the assembly referenced by @aname loaded or NULL on error. On error the
2859 * value pointed by status is updated with an error code.
2862 mono_assembly_load (MonoAssemblyName *aname, const char *basedir, MonoImageOpenStatus *status)
2864 return mono_assembly_load_full (aname, basedir, status, FALSE);
2868 mono_assembly_loaded_full (MonoAssemblyName *aname, gboolean refonly)
2871 #ifndef DISABLE_ASSEMBLY_REMAPPING
2872 MonoAssemblyName maped_aname;
2874 aname = mono_assembly_remap_version (aname, &maped_aname);
2877 res = mono_assembly_invoke_search_hook_internal (aname, refonly, FALSE);
2883 * mono_assembly_loaded:
2884 * @aname: an assembly to look for.
2886 * Returns: NULL If the given @aname assembly has not been loaded, or a pointer to
2887 * a MonoAssembly that matches the MonoAssemblyName specified.
2890 mono_assembly_loaded (MonoAssemblyName *aname)
2892 return mono_assembly_loaded_full (aname, FALSE);
2896 mono_assembly_release_gc_roots (MonoAssembly *assembly)
2898 if (assembly == NULL || assembly == REFERENCE_MISSING)
2901 if (assembly->dynamic) {
2903 MonoDynamicImage *dynimg = (MonoDynamicImage *)assembly->image;
2904 for (i = 0; i < dynimg->image.module_count; ++i)
2905 mono_dynamic_image_release_gc_roots ((MonoDynamicImage *)dynimg->image.modules [i]);
2906 mono_dynamic_image_release_gc_roots (dynimg);
2911 * Returns whether mono_assembly_close_finish() must be called as
2912 * well. See comment for mono_image_close_except_pools() for why we
2913 * unload in two steps.
2916 mono_assembly_close_except_image_pools (MonoAssembly *assembly)
2919 g_return_val_if_fail (assembly != NULL, FALSE);
2921 if (assembly == REFERENCE_MISSING)
2924 /* Might be 0 already */
2925 if (InterlockedDecrement (&assembly->ref_count) > 0)
2928 mono_profiler_assembly_event (assembly, MONO_PROFILE_START_UNLOAD);
2930 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_ASSEMBLY, "Unloading assembly %s [%p].", assembly->aname.name, assembly);
2932 mono_debug_close_image (assembly->image);
2934 mono_assemblies_lock ();
2935 loaded_assemblies = g_list_remove (loaded_assemblies, assembly);
2936 mono_assemblies_unlock ();
2938 assembly->image->assembly = NULL;
2940 if (!mono_image_close_except_pools (assembly->image))
2941 assembly->image = NULL;
2943 for (tmp = assembly->friend_assembly_names; tmp; tmp = tmp->next) {
2944 MonoAssemblyName *fname = tmp->data;
2945 mono_assembly_name_free (fname);
2948 g_slist_free (assembly->friend_assembly_names);
2949 g_free (assembly->basedir);
2951 mono_profiler_assembly_event (assembly, MONO_PROFILE_END_UNLOAD);
2957 mono_assembly_close_finish (MonoAssembly *assembly)
2959 g_assert (assembly && assembly != REFERENCE_MISSING);
2961 if (assembly->image)
2962 mono_image_close_finish (assembly->image);
2964 if (assembly->dynamic) {
2965 g_free ((char*)assembly->aname.culture);
2972 * mono_assembly_close:
2973 * @assembly: the assembly to release.
2975 * This method releases a reference to the @assembly. The assembly is
2976 * only released when all the outstanding references to it are released.
2979 mono_assembly_close (MonoAssembly *assembly)
2981 if (mono_assembly_close_except_image_pools (assembly))
2982 mono_assembly_close_finish (assembly);
2986 mono_assembly_load_module (MonoAssembly *assembly, guint32 idx)
2988 return mono_image_load_file_for_image (assembly->image, idx);
2992 mono_assembly_foreach (GFunc func, gpointer user_data)
2997 * We make a copy of the list to avoid calling the callback inside the
2998 * lock, which could lead to deadlocks.
3000 mono_assemblies_lock ();
3001 copy = g_list_copy (loaded_assemblies);
3002 mono_assemblies_unlock ();
3004 g_list_foreach (loaded_assemblies, func, user_data);
3010 * mono_assemblies_cleanup:
3012 * Free all resources used by this module.
3015 mono_assemblies_cleanup (void)
3019 DeleteCriticalSection (&assemblies_mutex);
3021 for (l = loaded_assembly_bindings; l; l = l->next) {
3022 MonoAssemblyBindingInfo *info = l->data;
3024 mono_assembly_binding_info_free (info);
3027 g_slist_free (loaded_assembly_bindings);
3029 free_assembly_load_hooks ();
3030 free_assembly_search_hooks ();
3031 free_assembly_preload_hooks ();
3034 /*LOCKING assumes loader lock is held*/
3036 mono_assembly_cleanup_domain_bindings (guint32 domain_id)
3038 GSList **iter = &loaded_assembly_bindings;
3042 MonoAssemblyBindingInfo *info = l->data;
3044 if (info->domain_id == domain_id) {
3046 mono_assembly_binding_info_free (info);
3056 * Holds the assembly of the application, for
3057 * System.Diagnostics.Process::MainModule
3059 static MonoAssembly *main_assembly=NULL;
3062 mono_assembly_set_main (MonoAssembly *assembly)
3064 main_assembly = assembly;
3068 * mono_assembly_get_main:
3070 * Returns: the assembly for the application, the first assembly that is loaded by the VM
3073 mono_assembly_get_main (void)
3075 return (main_assembly);
3079 * mono_assembly_get_image:
3080 * @assembly: The assembly to retrieve the image from
3082 * Returns: the MonoImage associated with this assembly.
3085 mono_assembly_get_image (MonoAssembly *assembly)
3087 return assembly->image;
3091 mono_register_bundled_assemblies (const MonoBundledAssembly **assemblies)
3093 bundles = assemblies;
3096 #define MONO_DECLSEC_FORMAT_10 0x3C
3097 #define MONO_DECLSEC_FORMAT_20 0x2E
3098 #define MONO_DECLSEC_FIELD 0x53
3099 #define MONO_DECLSEC_PROPERTY 0x54
3101 #define SKIP_VISIBILITY_XML_ATTRIBUTE ("\"SkipVerification\"")
3102 #define SKIP_VISIBILITY_ATTRIBUTE_NAME ("System.Security.Permissions.SecurityPermissionAttribute")
3103 #define SKIP_VISIBILITY_ATTRIBUTE_SIZE (sizeof (SKIP_VISIBILITY_ATTRIBUTE_NAME) - 1)
3104 #define SKIP_VISIBILITY_PROPERTY_NAME ("SkipVerification")
3105 #define SKIP_VISIBILITY_PROPERTY_SIZE (sizeof (SKIP_VISIBILITY_PROPERTY_NAME) - 1)
3108 mono_assembly_try_decode_skip_verification_param (const char *p, const char **resp, gboolean *abort_decoding)
3112 case MONO_DECLSEC_PROPERTY:
3114 case MONO_DECLSEC_FIELD:
3116 *abort_decoding = TRUE;
3121 if (*p++ != MONO_TYPE_BOOLEAN) {
3122 *abort_decoding = TRUE;
3126 /* property name length */
3127 len = mono_metadata_decode_value (p, &p);
3129 if (len >= SKIP_VISIBILITY_PROPERTY_SIZE && !memcmp (p, SKIP_VISIBILITY_PROPERTY_NAME, SKIP_VISIBILITY_PROPERTY_SIZE)) {
3140 mono_assembly_try_decode_skip_verification (const char *p, const char *endn)
3142 int i, j, num, len, params_len;
3144 if (*p == MONO_DECLSEC_FORMAT_10) {
3145 gsize read, written;
3146 char *res = g_convert (p, endn - p, "UTF-8", "UTF-16LE", &read, &written, NULL);
3148 gboolean found = strstr (res, SKIP_VISIBILITY_XML_ATTRIBUTE) != NULL;
3154 if (*p++ != MONO_DECLSEC_FORMAT_20)
3157 /* number of encoded permission attributes */
3158 num = mono_metadata_decode_value (p, &p);
3159 for (i = 0; i < num; ++i) {
3160 gboolean is_valid = FALSE;
3161 gboolean abort_decoding = FALSE;
3163 /* attribute name length */
3164 len = mono_metadata_decode_value (p, &p);
3166 /* We don't really need to fully decode the type. Comparing the name is enough */
3167 is_valid = len >= SKIP_VISIBILITY_ATTRIBUTE_SIZE && !memcmp (p, SKIP_VISIBILITY_ATTRIBUTE_NAME, SKIP_VISIBILITY_ATTRIBUTE_SIZE);
3171 /*size of the params table*/
3172 params_len = mono_metadata_decode_value (p, &p);
3174 const char *params_end = p + params_len;
3176 /* number of parameters */
3177 len = mono_metadata_decode_value (p, &p);
3179 for (j = 0; j < len; ++j) {
3180 if (mono_assembly_try_decode_skip_verification_param (p, &p, &abort_decoding))
3196 mono_assembly_has_skip_verification (MonoAssembly *assembly)
3199 guint32 cols [MONO_DECL_SECURITY_SIZE];
3203 if (MONO_SECMAN_FLAG_INIT (assembly->skipverification))
3204 return MONO_SECMAN_FLAG_GET_VALUE (assembly->skipverification);
3206 t = &assembly->image->tables [MONO_TABLE_DECLSECURITY];
3208 for (i = 0; i < t->rows; ++i) {
3209 mono_metadata_decode_row (t, i, cols, MONO_DECL_SECURITY_SIZE);
3210 if ((cols [MONO_DECL_SECURITY_PARENT] & MONO_HAS_DECL_SECURITY_MASK) != MONO_HAS_DECL_SECURITY_ASSEMBLY)
3212 if (cols [MONO_DECL_SECURITY_ACTION] != SECURITY_ACTION_REQMIN)
3215 blob = mono_metadata_blob_heap (assembly->image, cols [MONO_DECL_SECURITY_PERMISSIONSET]);
3216 len = mono_metadata_decode_blob_size (blob, &blob);
3220 if (mono_assembly_try_decode_skip_verification (blob, blob + len)) {
3221 MONO_SECMAN_FLAG_SET_VALUE (assembly->skipverification, TRUE);
3226 MONO_SECMAN_FLAG_SET_VALUE (assembly->skipverification, FALSE);