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.Formatters.Soap", 0},
118 {"System.Security", 0},
119 {"System.ServiceProcess", 0},
120 {"System.Transactions", 0},
122 {"System.Web.Abstractions", 2},
123 {"System.Web.Mobile", 0},
124 {"System.Web.Routing", 2},
125 {"System.Web.Services", 0},
126 {"System.Windows.Forms", 0},
133 * keeps track of loaded assemblies
135 static GList *loaded_assemblies = NULL;
136 static MonoAssembly *corlib;
138 #if defined(__native_client__)
140 /* On Native Client, allow mscorlib to be loaded from memory */
141 /* instead of loaded off disk. If these are not set, default */
142 /* mscorlib loading will take place */
144 /* NOTE: If mscorlib data is passed to mono in this way then */
145 /* it needs to remain allocated during the use of mono. */
147 static void *corlibData = NULL;
148 static size_t corlibSize = 0;
151 mono_set_corlib_data (void *data, size_t size)
159 /* This protects loaded_assemblies and image->references */
160 #define mono_assemblies_lock() EnterCriticalSection (&assemblies_mutex)
161 #define mono_assemblies_unlock() LeaveCriticalSection (&assemblies_mutex)
162 static CRITICAL_SECTION assemblies_mutex;
164 /* If defined, points to the bundled assembly information */
165 const MonoBundledAssembly **bundles;
167 /* Loaded assembly binding info */
168 static GSList *loaded_assembly_bindings = NULL;
171 mono_assembly_invoke_search_hook_internal (MonoAssemblyName *aname, gboolean refonly, gboolean postload);
173 mono_assembly_is_in_gac (const gchar *filanem);
176 encode_public_tok (const guchar *token, gint32 len)
178 const static gchar allowed [] = { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f' };
182 res = g_malloc (len * 2 + 1);
183 for (i = 0; i < len; i++) {
184 res [i * 2] = allowed [token [i] >> 4];
185 res [i * 2 + 1] = allowed [token [i] & 0xF];
192 * mono_public_tokens_are_equal:
193 * @pubt1: first public key token
194 * @pubt2: second public key token
196 * Compare two public key tokens and return #TRUE is they are equal and #FALSE
200 mono_public_tokens_are_equal (const unsigned char *pubt1, const unsigned char *pubt2)
202 return memcmp (pubt1, pubt2, 16) == 0;
206 * mono_set_assemblies_path:
207 * @path: list of paths that contain directories where Mono will look for assemblies
209 * Use this method to override the standard assembly lookup system and
210 * override any assemblies coming from the GAC. This is the method
211 * that supports the MONO_PATH variable.
213 * Notice that MONO_PATH and this method are really a very bad idea as
214 * it prevents the GAC from working and it prevents the standard
215 * resolution mechanisms from working. Nonetheless, for some debugging
216 * situations and bootstrapping setups, this is useful to have.
219 mono_set_assemblies_path (const char* path)
221 char **splitted, **dest;
223 splitted = g_strsplit (path, G_SEARCHPATH_SEPARATOR_S, 1000);
225 g_strfreev (assemblies_path);
226 assemblies_path = dest = splitted;
234 if (g_getenv ("MONO_DEBUG") == NULL)
237 splitted = assemblies_path;
239 if (**splitted && !g_file_test (*splitted, G_FILE_TEST_IS_DIR))
240 g_warning ("'%s' in MONO_PATH doesn't exist or has wrong permissions.", *splitted);
246 /* Native Client can't get this info from an environment variable so */
247 /* it's passed in to the runtime, or set manually by embedding code. */
248 #ifdef __native_client__
249 char* nacl_mono_path = NULL;
253 check_path_env (void)
256 #ifdef __native_client__
257 path = nacl_mono_path;
259 path = g_getenv ("MONO_PATH");
261 if (!path || assemblies_path != NULL)
264 mono_set_assemblies_path(path);
268 check_extra_gac_path_env (void) {
270 char **splitted, **dest;
272 path = g_getenv ("MONO_GAC_PREFIX");
276 splitted = g_strsplit (path, G_SEARCHPATH_SEPARATOR_S, 1000);
278 g_strfreev (extra_gac_paths);
279 extra_gac_paths = dest = splitted;
287 if (g_getenv ("MONO_DEBUG") == NULL)
291 if (**splitted && !g_file_test (*splitted, G_FILE_TEST_IS_DIR))
292 g_warning ("'%s' in MONO_GAC_PREFIX doesn't exist or has wrong permissions.", *splitted);
299 assembly_binding_maps_name (MonoAssemblyBindingInfo *info, MonoAssemblyName *aname)
301 if (!info || !info->name)
304 if (strcmp (info->name, aname->name))
307 if (info->major != aname->major || info->minor != aname->minor)
310 if ((info->culture != NULL && info->culture [0]) != (aname->culture != NULL && aname->culture [0]))
313 if (info->culture && aname->culture && strcmp (info->culture, aname->culture))
316 if (!mono_public_tokens_are_equal (info->public_key_token, aname->public_key_token))
323 mono_assembly_binding_info_free (MonoAssemblyBindingInfo *info)
329 g_free (info->culture);
333 get_publisher_policy_info (MonoImage *image, MonoAssemblyName *aname, MonoAssemblyBindingInfo *binding_info)
336 guint32 cols [MONO_MANIFEST_SIZE];
337 const gchar *filename;
338 gchar *subpath, *fullpath;
340 t = &image->tables [MONO_TABLE_MANIFESTRESOURCE];
341 /* MS Impl. accepts policy assemblies with more than
342 * one manifest resource, and only takes the first one */
344 binding_info->is_valid = FALSE;
348 mono_metadata_decode_row (t, 0, cols, MONO_MANIFEST_SIZE);
349 if ((cols [MONO_MANIFEST_IMPLEMENTATION] & MONO_IMPLEMENTATION_MASK) != MONO_IMPLEMENTATION_FILE) {
350 binding_info->is_valid = FALSE;
354 filename = mono_metadata_string_heap (image, cols [MONO_MANIFEST_NAME]);
355 g_assert (filename != NULL);
357 subpath = g_path_get_dirname (image->name);
358 fullpath = g_build_path (G_DIR_SEPARATOR_S, subpath, filename, NULL);
359 mono_config_parse_publisher_policy (fullpath, binding_info);
363 /* Define the optional elements/attributes before checking */
364 if (!binding_info->culture)
365 binding_info->culture = g_strdup ("");
367 /* Check that the most important elements/attributes exist */
368 if (!binding_info->name || !binding_info->public_key_token [0] || !binding_info->has_old_version_bottom ||
369 !binding_info->has_new_version || !assembly_binding_maps_name (binding_info, aname)) {
370 mono_assembly_binding_info_free (binding_info);
371 binding_info->is_valid = FALSE;
375 binding_info->is_valid = TRUE;
379 compare_versions (AssemblyVersionSet *v, MonoAssemblyName *aname)
381 if (v->major > aname->major)
383 else if (v->major < aname->major)
386 if (v->minor > aname->minor)
388 else if (v->minor < aname->minor)
391 if (v->build > aname->build)
393 else if (v->build < aname->build)
396 if (v->revision > aname->revision)
398 else if (v->revision < aname->revision)
405 check_policy_versions (MonoAssemblyBindingInfo *info, MonoAssemblyName *name)
410 /* If has_old_version_top doesn't exist, we don't have an interval */
411 if (!info->has_old_version_top) {
412 if (compare_versions (&info->old_version_bottom, name) == 0)
418 /* Check that the version defined by name is valid for the interval */
419 if (compare_versions (&info->old_version_top, name) < 0)
422 /* We should be greater or equal than the small version */
423 if (compare_versions (&info->old_version_bottom, name) > 0)
430 * mono_assembly_names_equal:
432 * @r: second assembly.
434 * Compares two MonoAssemblyNames and returns whether they are equal.
436 * This compares the names, the cultures, the release version and their
439 * Returns: TRUE if both assembly names are equal.
442 mono_assembly_names_equal (MonoAssemblyName *l, MonoAssemblyName *r)
444 if (!l->name || !r->name)
447 if (strcmp (l->name, r->name))
450 if (l->culture && r->culture && strcmp (l->culture, r->culture))
453 if (l->major != r->major || l->minor != r->minor ||
454 l->build != r->build || l->revision != r->revision)
455 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)))
458 if (!l->public_key_token [0] || !r->public_key_token [0])
461 if (!mono_public_tokens_are_equal (l->public_key_token, r->public_key_token))
467 static MonoAssembly *
468 load_in_path (const char *basename, const char** search_path, MonoImageOpenStatus *status, MonoBoolean refonly)
472 MonoAssembly *result;
474 for (i = 0; search_path [i]; ++i) {
475 fullpath = g_build_filename (search_path [i], basename, NULL);
476 result = mono_assembly_open_full (fullpath, status, refonly);
485 * mono_assembly_setrootdir:
486 * @root_dir: The pathname of the root directory where we will locate assemblies
488 * This routine sets the internal default root directory for looking up
491 * This is used by Windows installations to compute dynamically the
492 * place where the Mono assemblies are located.
496 mono_assembly_setrootdir (const char *root_dir)
499 * Override the MONO_ASSEMBLIES directory configured at compile time.
501 /* Leak if called more than once */
502 default_path [0] = g_strdup (root_dir);
506 * mono_assembly_getrootdir:
508 * Obtains the root directory used for looking up assemblies.
510 * Returns: a string with the directory, this string should not be freed.
512 G_CONST_RETURN gchar *
513 mono_assembly_getrootdir (void)
515 return default_path [0];
520 * @assembly_dir: the base directory for assemblies
521 * @config_dir: the base directory for configuration files
523 * This routine is used internally and by developers embedding
524 * the runtime into their own applications.
526 * There are a number of cases to consider: Mono as a system-installed
527 * package that is available on the location preconfigured or Mono in
528 * a relocated location.
530 * If you are using a system-installed Mono, you can pass NULL
531 * to both parameters. If you are not, you should compute both
532 * directory values and call this routine.
534 * The values for a given PREFIX are:
536 * assembly_dir: PREFIX/lib
537 * config_dir: PREFIX/etc
539 * Notice that embedders that use Mono in a relocated way must
540 * compute the location at runtime, as they will be in control
541 * of where Mono is installed.
544 mono_set_dirs (const char *assembly_dir, const char *config_dir)
546 #if defined (MONO_ASSEMBLIES)
547 if (assembly_dir == NULL)
548 assembly_dir = MONO_ASSEMBLIES;
550 #if defined (MONO_CFG_DIR)
551 if (config_dir == NULL)
552 config_dir = MONO_CFG_DIR;
554 mono_assembly_setrootdir (assembly_dir);
555 mono_set_config_dir (config_dir);
561 compute_base (char *path)
563 char *p = strrchr (path, '/');
567 /* Not a well known Mono executable, we are embedded, cant guess the base */
568 if (strcmp (p, "/mono") && strcmp (p, "/monodis") && strcmp (p, "/mint") && strcmp (p, "/monodiet"))
572 p = strrchr (path, '/');
576 if (strcmp (p, "/bin") != 0)
585 mono_set_dirs (MONO_ASSEMBLIES, MONO_CFG_DIR);
588 static G_GNUC_UNUSED void
592 char *config, *lib, *mono;
596 * Only /usr prefix is treated specially
598 if (strncmp (exe, MONO_BINDIR, strlen (MONO_BINDIR)) == 0 || (base = compute_base (exe)) == NULL){
603 config = g_build_filename (base, "etc", NULL);
604 lib = g_build_filename (base, "lib", NULL);
605 mono = g_build_filename (lib, "mono/2.0", NULL);
606 if (stat (mono, &buf) == -1)
609 mono_set_dirs (lib, config);
617 #endif /* HOST_WIN32 */
622 * Registers the root directory for the Mono runtime, for Linux and Solaris 10,
623 * this auto-detects the prefix where Mono was installed.
626 mono_set_rootdir (void)
628 #if defined(HOST_WIN32) || (defined(PLATFORM_MACOSX) && !defined(TARGET_ARM))
629 gchar *bindir, *installdir, *root, *name, *resolvedname, *config;
632 name = mono_get_module_file_name ((HMODULE) &__ImageBase);
636 * _NSGetExecutablePath may return -1 to indicate buf is not large
637 * enough, but we ignore that case to avoid having to do extra dynamic
638 * allocation for the path and hope that 4096 is enough - this is
639 * ok in the Linux/Solaris case below at least...
643 guint buf_size = sizeof (buf);
645 if (_NSGetExecutablePath (buf, &buf_size) == 0)
646 name = g_strdup (buf);
655 resolvedname = mono_path_resolve_symlinks (name);
657 bindir = g_path_get_dirname (resolvedname);
658 installdir = g_path_get_dirname (bindir);
659 root = g_build_path (G_DIR_SEPARATOR_S, installdir, "lib", NULL);
661 config = g_build_filename (root, "..", "etc", NULL);
663 mono_set_dirs (root, config);
665 if (g_file_test (root, G_FILE_TEST_EXISTS) && g_file_test (config, G_FILE_TEST_EXISTS))
666 mono_set_dirs (root, config);
676 g_free (resolvedname);
677 #elif defined(DISABLE_MONO_AUTODETECTION)
685 s = readlink ("/proc/self/exe", buf, sizeof (buf)-1);
693 /* Solaris 10 style */
694 str = g_strdup_printf ("/proc/%d/path/a.out", getpid ());
695 s = readlink (str, buf, sizeof (buf)-1);
707 * mono_assemblies_init:
709 * Initialize global variables used by this module.
712 mono_assemblies_init (void)
715 * Initialize our internal paths if we have not been initialized yet.
716 * This happens when embedders use Mono.
718 if (mono_assembly_getrootdir () == NULL)
722 check_extra_gac_path_env ();
724 InitializeCriticalSection (&assemblies_mutex);
728 mono_assembly_fill_assembly_name (MonoImage *image, MonoAssemblyName *aname)
730 MonoTableInfo *t = &image->tables [MONO_TABLE_ASSEMBLY];
731 guint32 cols [MONO_ASSEMBLY_SIZE];
736 mono_metadata_decode_row (t, 0, cols, MONO_ASSEMBLY_SIZE);
739 aname->hash_value = NULL;
740 aname->name = mono_metadata_string_heap (image, cols [MONO_ASSEMBLY_NAME]);
741 aname->culture = mono_metadata_string_heap (image, cols [MONO_ASSEMBLY_CULTURE]);
742 aname->flags = cols [MONO_ASSEMBLY_FLAGS];
743 aname->major = cols [MONO_ASSEMBLY_MAJOR_VERSION];
744 aname->minor = cols [MONO_ASSEMBLY_MINOR_VERSION];
745 aname->build = cols [MONO_ASSEMBLY_BUILD_NUMBER];
746 aname->revision = cols [MONO_ASSEMBLY_REV_NUMBER];
747 aname->hash_alg = cols [MONO_ASSEMBLY_HASH_ALG];
748 if (cols [MONO_ASSEMBLY_PUBLIC_KEY]) {
749 guchar* token = g_malloc (8);
754 pkey = mono_metadata_blob_heap (image, cols [MONO_ASSEMBLY_PUBLIC_KEY]);
755 len = mono_metadata_decode_blob_size (pkey, &pkey);
756 aname->public_key = (guchar*)pkey;
758 mono_digest_get_public_token (token, aname->public_key, len);
759 encoded = encode_public_tok (token, 8);
760 g_strlcpy ((char*)aname->public_key_token, encoded, MONO_PUBLIC_KEY_TOKEN_LENGTH);
766 aname->public_key = NULL;
767 memset (aname->public_key_token, 0, MONO_PUBLIC_KEY_TOKEN_LENGTH);
770 if (cols [MONO_ASSEMBLY_PUBLIC_KEY]) {
771 aname->public_key = (guchar*)mono_metadata_blob_heap (image, cols [MONO_ASSEMBLY_PUBLIC_KEY]);
774 aname->public_key = 0;
780 * mono_stringify_assembly_name:
781 * @aname: the assembly name.
783 * Convert @aname into its string format. The returned string is dynamically
784 * allocated and should be freed by the caller.
786 * Returns: a newly allocated string with a string representation of
790 mono_stringify_assembly_name (MonoAssemblyName *aname)
792 const char *quote = (aname->name && g_ascii_isspace (aname->name [0])) ? "\"" : "";
794 return g_strdup_printf (
795 "%s%s%s, Version=%d.%d.%d.%d, Culture=%s, PublicKeyToken=%s%s",
796 quote, aname->name, quote,
797 aname->major, aname->minor, aname->build, aname->revision,
798 aname->culture && *aname->culture? aname->culture: "neutral",
799 aname->public_key_token [0] ? (char *)aname->public_key_token : "null",
800 (aname->flags & ASSEMBLYREF_RETARGETABLE_FLAG) ? ", Retargetable=Yes" : "");
804 assemblyref_public_tok (MonoImage *image, guint32 key_index, guint32 flags)
806 const gchar *public_tok;
809 public_tok = mono_metadata_blob_heap (image, key_index);
810 len = mono_metadata_decode_blob_size (public_tok, &public_tok);
812 if (flags & ASSEMBLYREF_FULL_PUBLIC_KEY_FLAG) {
814 mono_digest_get_public_token (token, (guchar*)public_tok, len);
815 return encode_public_tok (token, 8);
818 return encode_public_tok ((guchar*)public_tok, len);
822 * mono_assembly_addref:
823 * @assemnly: the assembly to reference
825 * This routine increments the reference count on a MonoAssembly.
826 * The reference count is reduced every time the method mono_assembly_close() is
830 mono_assembly_addref (MonoAssembly *assembly)
832 InterlockedIncrement (&assembly->ref_count);
835 #ifndef DISABLE_ASSEMBLY_REMAPPING
836 static MonoAssemblyName *
837 mono_assembly_remap_version (MonoAssemblyName *aname, MonoAssemblyName *dest_aname)
839 const MonoRuntimeInfo *current_runtime;
840 int pos, first, last;
842 if (aname->name == NULL) return aname;
844 current_runtime = mono_get_runtime_info ();
846 if (aname->flags & ASSEMBLYREF_RETARGETABLE_FLAG) {
847 const AssemblyVersionSet* vset;
849 /* Remap to current runtime */
850 vset = ¤t_runtime->version_sets [0];
852 memcpy (dest_aname, aname, sizeof(MonoAssemblyName));
853 dest_aname->major = vset->major;
854 dest_aname->minor = vset->minor;
855 dest_aname->build = vset->build;
856 dest_aname->revision = vset->revision;
857 dest_aname->flags &= ~ASSEMBLYREF_RETARGETABLE_FLAG;
859 /* Remap assembly name */
860 if (!strcmp (aname->name, "System.Net"))
861 dest_aname->name = g_strdup ("System");
863 mono_trace (G_LOG_LEVEL_WARNING, MONO_TRACE_ASSEMBLY,
864 "The request to load the retargetable assembly %s v%d.%d.%d.%d was remapped to %s v%d.%d.%d.%d",
866 aname->major, aname->minor, aname->build, aname->revision,
868 vset->major, vset->minor, vset->build, vset->revision
875 last = G_N_ELEMENTS (framework_assemblies) - 1;
877 while (first <= last) {
879 pos = first + (last - first) / 2;
880 res = strcmp (aname->name, framework_assemblies[pos].assembly_name);
882 const AssemblyVersionSet* vset;
883 int index = framework_assemblies[pos].version_set_index;
884 g_assert (index < G_N_ELEMENTS (current_runtime->version_sets));
885 vset = ¤t_runtime->version_sets [index];
887 if (aname->major == vset->major && aname->minor == vset->minor &&
888 aname->build == vset->build && aname->revision == vset->revision)
891 if ((aname->major | aname->minor | aname->build | aname->revision) != 0)
892 mono_trace (G_LOG_LEVEL_WARNING, MONO_TRACE_ASSEMBLY,
893 "The request to load the assembly %s v%d.%d.%d.%d was remapped to v%d.%d.%d.%d",
895 aname->major, aname->minor, aname->build, aname->revision,
896 vset->major, vset->minor, vset->build, vset->revision
899 memcpy (dest_aname, aname, sizeof(MonoAssemblyName));
900 dest_aname->major = vset->major;
901 dest_aname->minor = vset->minor;
902 dest_aname->build = vset->build;
903 dest_aname->revision = vset->revision;
905 } else if (res < 0) {
916 * mono_assembly_get_assemblyref:
918 * Fill out ANAME with the assembly name of the INDEXth assembly reference in IMAGE.
921 mono_assembly_get_assemblyref (MonoImage *image, int index, MonoAssemblyName *aname)
924 guint32 cols [MONO_ASSEMBLYREF_SIZE];
927 t = &image->tables [MONO_TABLE_ASSEMBLYREF];
929 mono_metadata_decode_row (t, index, cols, MONO_ASSEMBLYREF_SIZE);
931 hash = mono_metadata_blob_heap (image, cols [MONO_ASSEMBLYREF_HASH_VALUE]);
932 aname->hash_len = mono_metadata_decode_blob_size (hash, &hash);
933 aname->hash_value = hash;
934 aname->name = mono_metadata_string_heap (image, cols [MONO_ASSEMBLYREF_NAME]);
935 aname->culture = mono_metadata_string_heap (image, cols [MONO_ASSEMBLYREF_CULTURE]);
936 aname->flags = cols [MONO_ASSEMBLYREF_FLAGS];
937 aname->major = cols [MONO_ASSEMBLYREF_MAJOR_VERSION];
938 aname->minor = cols [MONO_ASSEMBLYREF_MINOR_VERSION];
939 aname->build = cols [MONO_ASSEMBLYREF_BUILD_NUMBER];
940 aname->revision = cols [MONO_ASSEMBLYREF_REV_NUMBER];
942 if (cols [MONO_ASSEMBLYREF_PUBLIC_KEY]) {
943 gchar *token = assemblyref_public_tok (image, cols [MONO_ASSEMBLYREF_PUBLIC_KEY], aname->flags);
944 g_strlcpy ((char*)aname->public_key_token, token, MONO_PUBLIC_KEY_TOKEN_LENGTH);
947 memset (aname->public_key_token, 0, MONO_PUBLIC_KEY_TOKEN_LENGTH);
952 mono_assembly_load_reference (MonoImage *image, int index)
954 MonoAssembly *reference;
955 MonoAssemblyName aname;
956 MonoImageOpenStatus status;
959 * image->references is shared between threads, so we need to access
960 * it inside a critical section.
962 mono_assemblies_lock ();
963 if (!image->references) {
964 MonoTableInfo *t = &image->tables [MONO_TABLE_ASSEMBLYREF];
966 image->references = g_new0 (MonoAssembly *, t->rows + 1);
968 reference = image->references [index];
969 mono_assemblies_unlock ();
973 mono_assembly_get_assemblyref (image, index, &aname);
975 if (image->assembly && image->assembly->ref_only) {
976 /* We use the loaded corlib */
977 if (!strcmp (aname.name, "mscorlib"))
978 reference = mono_assembly_load_full (&aname, image->assembly->basedir, &status, FALSE);
980 reference = mono_assembly_loaded_full (&aname, TRUE);
982 /* Try a postload search hook */
983 reference = mono_assembly_invoke_search_hook_internal (&aname, TRUE, TRUE);
987 * Here we must advice that the error was due to
988 * a non loaded reference using the ReflectionOnly api
991 reference = REFERENCE_MISSING;
993 reference = mono_assembly_load (&aname, image->assembly? image->assembly->basedir: NULL, &status);
995 if (reference == NULL){
998 if (status == MONO_IMAGE_ERROR_ERRNO && errno == ENOENT) {
999 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 : "" );
1000 } else if (status == MONO_IMAGE_ERROR_ERRNO) {
1001 extra_msg = g_strdup_printf ("System error: %s\n", strerror (errno));
1002 } else if (status == MONO_IMAGE_MISSING_ASSEMBLYREF) {
1003 extra_msg = g_strdup ("Cannot find an assembly referenced from this one.\n");
1004 } else if (status == MONO_IMAGE_IMAGE_INVALID) {
1005 extra_msg = g_strdup ("The file exists but is not a valid assembly.\n");
1007 extra_msg = g_strdup ("");
1010 mono_trace (G_LOG_LEVEL_WARNING, MONO_TRACE_ASSEMBLY, "The following assembly referenced from %s could not be loaded:\n"
1011 " Assembly: %s (assemblyref_index=%d)\n"
1012 " Version: %d.%d.%d.%d\n"
1013 " Public Key: %s\n%s",
1014 image->name, aname.name, index,
1015 aname.major, aname.minor, aname.build, aname.revision,
1016 strlen ((char*)aname.public_key_token) == 0 ? "(none)" : (char*)aname.public_key_token, extra_msg);
1020 mono_assemblies_lock ();
1021 if (reference == NULL) {
1022 /* Flag as not found */
1023 reference = REFERENCE_MISSING;
1026 if (!image->references [index]) {
1027 if (reference != REFERENCE_MISSING){
1028 mono_assembly_addref (reference);
1029 if (image->assembly)
1030 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_ASSEMBLY, "Assembly Ref addref %s[%p] -> %s[%p]: %d",
1031 image->assembly->aname.name, image->assembly, reference->aname.name, reference, reference->ref_count);
1033 if (image->assembly)
1034 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_ASSEMBLY, "Failed to load assembly %s[%p]\n",
1035 image->assembly->aname.name, image->assembly);
1038 image->references [index] = reference;
1040 mono_assemblies_unlock ();
1042 if (image->references [index] != reference) {
1043 /* Somebody loaded it before us */
1044 mono_assembly_close (reference);
1049 mono_assembly_load_references (MonoImage *image, MonoImageOpenStatus *status)
1051 /* This is a no-op now but it is part of the embedding API so we can't remove it */
1052 *status = MONO_IMAGE_OK;
1055 typedef struct AssemblyLoadHook AssemblyLoadHook;
1056 struct AssemblyLoadHook {
1057 AssemblyLoadHook *next;
1058 MonoAssemblyLoadFunc func;
1062 AssemblyLoadHook *assembly_load_hook = NULL;
1065 mono_assembly_invoke_load_hook (MonoAssembly *ass)
1067 AssemblyLoadHook *hook;
1069 for (hook = assembly_load_hook; hook; hook = hook->next) {
1070 hook->func (ass, hook->user_data);
1075 mono_install_assembly_load_hook (MonoAssemblyLoadFunc func, gpointer user_data)
1077 AssemblyLoadHook *hook;
1079 g_return_if_fail (func != NULL);
1081 hook = g_new0 (AssemblyLoadHook, 1);
1083 hook->user_data = user_data;
1084 hook->next = assembly_load_hook;
1085 assembly_load_hook = hook;
1089 free_assembly_load_hooks (void)
1091 AssemblyLoadHook *hook, *next;
1093 for (hook = assembly_load_hook; hook; hook = next) {
1099 typedef struct AssemblySearchHook AssemblySearchHook;
1100 struct AssemblySearchHook {
1101 AssemblySearchHook *next;
1102 MonoAssemblySearchFunc func;
1108 AssemblySearchHook *assembly_search_hook = NULL;
1110 static MonoAssembly*
1111 mono_assembly_invoke_search_hook_internal (MonoAssemblyName *aname, gboolean refonly, gboolean postload)
1113 AssemblySearchHook *hook;
1115 for (hook = assembly_search_hook; hook; hook = hook->next) {
1116 if ((hook->refonly == refonly) && (hook->postload == postload)) {
1117 MonoAssembly *ass = hook->func (aname, hook->user_data);
1127 mono_assembly_invoke_search_hook (MonoAssemblyName *aname)
1129 return mono_assembly_invoke_search_hook_internal (aname, FALSE, FALSE);
1133 mono_install_assembly_search_hook_internal (MonoAssemblySearchFunc func, gpointer user_data, gboolean refonly, gboolean postload)
1135 AssemblySearchHook *hook;
1137 g_return_if_fail (func != NULL);
1139 hook = g_new0 (AssemblySearchHook, 1);
1141 hook->user_data = user_data;
1142 hook->refonly = refonly;
1143 hook->postload = postload;
1144 hook->next = assembly_search_hook;
1145 assembly_search_hook = hook;
1149 mono_install_assembly_search_hook (MonoAssemblySearchFunc func, gpointer user_data)
1151 mono_install_assembly_search_hook_internal (func, user_data, FALSE, FALSE);
1155 free_assembly_search_hooks (void)
1157 AssemblySearchHook *hook, *next;
1159 for (hook = assembly_search_hook; hook; hook = next) {
1166 mono_install_assembly_refonly_search_hook (MonoAssemblySearchFunc func, gpointer user_data)
1168 mono_install_assembly_search_hook_internal (func, user_data, TRUE, FALSE);
1172 mono_install_assembly_postload_search_hook (MonoAssemblySearchFunc func, gpointer user_data)
1174 mono_install_assembly_search_hook_internal (func, user_data, FALSE, TRUE);
1178 mono_install_assembly_postload_refonly_search_hook (MonoAssemblySearchFunc func, gpointer user_data)
1180 mono_install_assembly_search_hook_internal (func, user_data, TRUE, TRUE);
1183 typedef struct AssemblyPreLoadHook AssemblyPreLoadHook;
1184 struct AssemblyPreLoadHook {
1185 AssemblyPreLoadHook *next;
1186 MonoAssemblyPreLoadFunc func;
1190 static AssemblyPreLoadHook *assembly_preload_hook = NULL;
1191 static AssemblyPreLoadHook *assembly_refonly_preload_hook = NULL;
1193 static MonoAssembly *
1194 invoke_assembly_preload_hook (MonoAssemblyName *aname, gchar **assemblies_path)
1196 AssemblyPreLoadHook *hook;
1197 MonoAssembly *assembly;
1199 for (hook = assembly_preload_hook; hook; hook = hook->next) {
1200 assembly = hook->func (aname, assemblies_path, hook->user_data);
1201 if (assembly != NULL)
1208 static MonoAssembly *
1209 invoke_assembly_refonly_preload_hook (MonoAssemblyName *aname, gchar **assemblies_path)
1211 AssemblyPreLoadHook *hook;
1212 MonoAssembly *assembly;
1214 for (hook = assembly_refonly_preload_hook; hook; hook = hook->next) {
1215 assembly = hook->func (aname, assemblies_path, hook->user_data);
1216 if (assembly != NULL)
1224 mono_install_assembly_preload_hook (MonoAssemblyPreLoadFunc func, gpointer user_data)
1226 AssemblyPreLoadHook *hook;
1228 g_return_if_fail (func != NULL);
1230 hook = g_new0 (AssemblyPreLoadHook, 1);
1232 hook->user_data = user_data;
1233 hook->next = assembly_preload_hook;
1234 assembly_preload_hook = hook;
1238 mono_install_assembly_refonly_preload_hook (MonoAssemblyPreLoadFunc func, gpointer user_data)
1240 AssemblyPreLoadHook *hook;
1242 g_return_if_fail (func != NULL);
1244 hook = g_new0 (AssemblyPreLoadHook, 1);
1246 hook->user_data = user_data;
1247 hook->next = assembly_refonly_preload_hook;
1248 assembly_refonly_preload_hook = hook;
1252 free_assembly_preload_hooks (void)
1254 AssemblyPreLoadHook *hook, *next;
1256 for (hook = assembly_preload_hook; hook; hook = next) {
1261 for (hook = assembly_refonly_preload_hook; hook; hook = next) {
1268 absolute_dir (const gchar *filename)
1279 if (g_path_is_absolute (filename)) {
1280 part = g_path_get_dirname (filename);
1281 res = g_strconcat (part, G_DIR_SEPARATOR_S, NULL);
1286 cwd = g_get_current_dir ();
1287 mixed = g_build_filename (cwd, filename, NULL);
1288 parts = g_strsplit (mixed, G_DIR_SEPARATOR_S, 0);
1293 for (i = 0; (part = parts [i]) != NULL; i++) {
1294 if (!strcmp (part, "."))
1297 if (!strcmp (part, "..")) {
1298 if (list && list->next) /* Don't remove root */
1299 list = g_list_delete_link (list, list);
1301 list = g_list_prepend (list, part);
1305 result = g_string_new ("");
1306 list = g_list_reverse (list);
1308 /* Ignores last data pointer, which should be the filename */
1309 for (tmp = list; tmp && tmp->next != NULL; tmp = tmp->next){
1311 g_string_append_printf (result, "%s%c", (char *) tmp->data,
1316 g_string_free (result, FALSE);
1321 return g_strdup (".");
1328 * mono_assembly_open_from_bundle:
1329 * @filename: Filename requested
1330 * @status: return value
1332 * This routine tries to open the assembly specified by `filename' from the
1333 * defined bundles, if found, returns the MonoImage for it, if not found
1337 mono_assembly_open_from_bundle (const char *filename, MonoImageOpenStatus *status, gboolean refonly)
1341 MonoImage *image = NULL;
1344 * we do a very simple search for bundled assemblies: it's not a general
1345 * purpose assembly loading mechanism.
1351 name = g_path_get_basename (filename);
1353 mono_assemblies_lock ();
1354 for (i = 0; !image && bundles [i]; ++i) {
1355 if (strcmp (bundles [i]->name, name) == 0) {
1356 image = mono_image_open_from_data_with_name ((char*)bundles [i]->data, bundles [i]->size, FALSE, status, refonly, name);
1360 mono_assemblies_unlock ();
1363 mono_image_addref (image);
1370 mono_assembly_open_full (const char *filename, MonoImageOpenStatus *status, gboolean refonly)
1374 MonoImageOpenStatus def_status;
1378 g_return_val_if_fail (filename != NULL, NULL);
1381 status = &def_status;
1382 *status = MONO_IMAGE_OK;
1384 if (strncmp (filename, "file://", 7) == 0) {
1385 GError *error = NULL;
1386 gchar *uri = (gchar *) filename;
1390 * MS allows file://c:/... and fails on file://localhost/c:/...
1391 * They also throw an IndexOutOfRangeException if "file://"
1394 uri = g_strdup_printf ("file:///%s", uri + 7);
1397 uri = mono_escape_uri_string (tmpuri);
1398 fname = g_filename_from_uri (uri, NULL, &error);
1401 if (tmpuri != filename)
1404 if (error != NULL) {
1405 g_warning ("%s\n", error->message);
1406 g_error_free (error);
1407 fname = g_strdup (filename);
1410 fname = g_strdup (filename);
1413 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_ASSEMBLY,
1414 "Assembly Loader probing location: '%s'.", fname);
1417 if (!mono_assembly_is_in_gac (fname))
1418 new_fname = mono_make_shadow_copy (fname);
1419 if (new_fname && new_fname != fname) {
1422 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_ASSEMBLY,
1423 "Assembly Loader shadow-copied assembly to: '%s'.", fname);
1428 if (bundles != NULL)
1429 image = mono_assembly_open_from_bundle (fname, status, refonly);
1432 image = mono_image_open_full (fname, status, refonly);
1435 if (*status == MONO_IMAGE_OK)
1436 *status = MONO_IMAGE_ERROR_ERRNO;
1441 if (image->assembly) {
1442 /* Already loaded by another appdomain */
1443 mono_assembly_invoke_load_hook (image->assembly);
1444 mono_image_close (image);
1446 return image->assembly;
1449 ass = mono_assembly_load_from_full (image, fname, status, refonly);
1452 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_ASSEMBLY,
1453 "Assembly Loader loaded assembly from location: '%s'.", filename);
1455 mono_config_for_assembly (ass->image);
1458 /* Clear the reference added by mono_image_open */
1459 mono_image_close (image);
1467 free_item (gpointer val, gpointer user_data)
1473 * mono_assembly_load_friends:
1476 * Load the list of friend assemblies that are allowed to access
1477 * the assembly's internal types and members. They are stored as assembly
1478 * names in custom attributes.
1480 * This is an internal method, we need this because when we load mscorlib
1481 * we do not have the mono_defaults.internals_visible_class loaded yet,
1482 * so we need to load these after we initialize the runtime.
1484 * LOCKING: Acquires the assemblies lock plus the loader lock.
1487 mono_assembly_load_friends (MonoAssembly* ass)
1490 MonoCustomAttrInfo* attrs;
1493 if (ass->friend_assembly_names_inited)
1496 attrs = mono_custom_attrs_from_assembly (ass);
1498 mono_assemblies_lock ();
1499 ass->friend_assembly_names_inited = TRUE;
1500 mono_assemblies_unlock ();
1504 mono_assemblies_lock ();
1505 if (ass->friend_assembly_names_inited) {
1506 mono_assemblies_unlock ();
1509 mono_assemblies_unlock ();
1513 * We build the list outside the assemblies lock, the worse that can happen
1514 * is that we'll need to free the allocated list.
1516 for (i = 0; i < attrs->num_attrs; ++i) {
1517 MonoCustomAttrEntry *attr = &attrs->attrs [i];
1518 MonoAssemblyName *aname;
1521 /* Do some sanity checking */
1522 if (!attr->ctor || attr->ctor->klass != mono_defaults.internals_visible_class)
1524 if (attr->data_size < 4)
1526 data = (const char*)attr->data;
1527 /* 0xFF means null string, see custom attr format */
1528 if (data [0] != 1 || data [1] != 0 || (data [2] & 0xFF) == 0xFF)
1530 slen = mono_metadata_decode_value (data + 2, &data);
1531 aname = g_new0 (MonoAssemblyName, 1);
1532 /*g_print ("friend ass: %s\n", data);*/
1533 if (mono_assembly_name_parse_full (data, aname, TRUE, NULL, NULL)) {
1534 list = g_slist_prepend (list, aname);
1539 mono_custom_attrs_free (attrs);
1541 mono_assemblies_lock ();
1542 if (ass->friend_assembly_names_inited) {
1543 mono_assemblies_unlock ();
1544 g_slist_foreach (list, free_item, NULL);
1545 g_slist_free (list);
1548 ass->friend_assembly_names = list;
1550 /* Because of the double checked locking pattern above */
1551 mono_memory_barrier ();
1552 ass->friend_assembly_names_inited = TRUE;
1553 mono_assemblies_unlock ();
1557 * mono_assembly_open:
1558 * @filename: Opens the assembly pointed out by this name
1559 * @status: where a status code can be returned
1561 * mono_assembly_open opens the PE-image pointed by @filename, and
1562 * loads any external assemblies referenced by it.
1564 * Return: a pointer to the MonoAssembly if @filename contains a valid
1565 * assembly or NULL on error. Details about the error are stored in the
1569 mono_assembly_open (const char *filename, MonoImageOpenStatus *status)
1571 return mono_assembly_open_full (filename, status, FALSE);
1575 mono_assembly_load_from_full (MonoImage *image, const char*fname,
1576 MonoImageOpenStatus *status, gboolean refonly)
1578 MonoAssembly *ass, *ass2;
1581 if (!image->tables [MONO_TABLE_ASSEMBLY].rows) {
1582 /* 'image' doesn't have a manifest -- maybe someone is trying to Assembly.Load a .netmodule */
1583 *status = MONO_IMAGE_IMAGE_INVALID;
1587 #if defined (HOST_WIN32)
1592 tmp_fn = g_strdup (fname);
1593 for (i = strlen (tmp_fn) - 1; i >= 0; i--) {
1594 if (tmp_fn [i] == '/')
1598 base_dir = absolute_dir (tmp_fn);
1602 base_dir = absolute_dir (fname);
1606 * Create assembly struct, and enter it into the assembly cache
1608 ass = g_new0 (MonoAssembly, 1);
1609 ass->basedir = base_dir;
1610 ass->ref_only = refonly;
1613 mono_profiler_assembly_event (ass, MONO_PROFILE_START_LOAD);
1615 mono_assembly_fill_assembly_name (image, &ass->aname);
1617 if (mono_defaults.corlib && strcmp (ass->aname.name, "mscorlib") == 0) {
1618 // MS.NET doesn't support loading other mscorlibs
1621 mono_image_addref (mono_defaults.corlib);
1622 *status = MONO_IMAGE_OK;
1623 return mono_defaults.corlib->assembly;
1626 /* Add a non-temporary reference because of ass->image */
1627 mono_image_addref (image);
1629 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);
1632 * The load hooks might take locks so we can't call them while holding the
1635 if (ass->aname.name) {
1636 ass2 = mono_assembly_invoke_search_hook_internal (&ass->aname, refonly, FALSE);
1640 mono_image_close (image);
1641 *status = MONO_IMAGE_OK;
1646 mono_assemblies_lock ();
1648 if (image->assembly) {
1650 * This means another thread has already loaded the assembly, but not yet
1651 * called the load hooks so the search hook can't find the assembly.
1653 mono_assemblies_unlock ();
1654 ass2 = image->assembly;
1657 mono_image_close (image);
1658 *status = MONO_IMAGE_OK;
1662 image->assembly = ass;
1664 loaded_assemblies = g_list_prepend (loaded_assemblies, ass);
1665 mono_assemblies_unlock ();
1668 if (image->is_module_handle)
1669 mono_image_fixup_vtable (image);
1672 mono_assembly_invoke_load_hook (ass);
1674 mono_profiler_assembly_loaded (ass, MONO_PROFILE_OK);
1680 mono_assembly_load_from (MonoImage *image, const char *fname,
1681 MonoImageOpenStatus *status)
1683 return mono_assembly_load_from_full (image, fname, status, FALSE);
1687 * mono_assembly_name_free:
1688 * @aname: assembly name to free
1690 * Frees the provided assembly name object.
1691 * (it does not frees the object itself, only the name members).
1694 mono_assembly_name_free (MonoAssemblyName *aname)
1699 g_free ((void *) aname->name);
1700 g_free ((void *) aname->culture);
1701 g_free ((void *) aname->hash_value);
1705 parse_public_key (const gchar *key, gchar** pubkey, gboolean *is_ecma)
1708 gchar header [16], val, *arr;
1709 gint i, j, offset, bitlen, keylen, pkeylen;
1711 keylen = strlen (key) >> 1;
1715 /* allow the ECMA standard key */
1716 if (strcmp (key, "00000000000000000400000000000000") == 0) {
1718 *pubkey = g_strdup (key);
1724 val = g_ascii_xdigit_value (key [0]) << 4;
1725 val |= g_ascii_xdigit_value (key [1]);
1730 val = g_ascii_xdigit_value (key [24]);
1731 val |= g_ascii_xdigit_value (key [25]);
1743 /* We need the first 16 bytes
1744 * to check whether this key is valid or not */
1745 pkeylen = strlen (pkey) >> 1;
1749 for (i = 0, j = 0; i < 16; i++) {
1750 header [i] = g_ascii_xdigit_value (pkey [j++]) << 4;
1751 header [i] |= g_ascii_xdigit_value (pkey [j++]);
1754 if (header [0] != 0x06 || /* PUBLICKEYBLOB (0x06) */
1755 header [1] != 0x02 || /* Version (0x02) */
1756 header [2] != 0x00 || /* Reserved (word) */
1757 header [3] != 0x00 ||
1758 (guint)(read32 (header + 8)) != 0x31415352) /* DWORD magic = RSA1 */
1761 /* Based on this length, we _should_ be able to know if the length is right */
1762 bitlen = read32 (header + 12) >> 3;
1763 if ((bitlen + 16 + 4) != pkeylen)
1766 /* parsing is OK and the public key itself is not requested back */
1770 /* Encode the size of the blob */
1772 if (keylen <= 127) {
1773 arr = g_malloc (keylen + 1);
1774 arr [offset++] = keylen;
1776 arr = g_malloc (keylen + 2);
1777 arr [offset++] = 0x80; /* 10bs */
1778 arr [offset++] = keylen;
1781 for (i = offset, j = 0; i < keylen + offset; i++) {
1782 arr [i] = g_ascii_xdigit_value (key [j++]) << 4;
1783 arr [i] |= g_ascii_xdigit_value (key [j++]);
1792 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)
1794 gint major, minor, build, revision;
1797 gchar *pkey, *pkeyptr, *encoded, tok [8];
1799 memset (aname, 0, sizeof (MonoAssemblyName));
1802 version_parts = sscanf (version, "%u.%u.%u.%u", &major, &minor, &build, &revision);
1803 if (version_parts < 2 || version_parts > 4)
1806 /* FIXME: we should set build & revision to -1 (instead of 0)
1807 if these are not set in the version string. That way, later on,
1808 we can still determine if these were specified. */
1809 aname->major = major;
1810 aname->minor = minor;
1811 if (version_parts >= 3)
1812 aname->build = build;
1815 if (version_parts == 4)
1816 aname->revision = revision;
1818 aname->revision = 0;
1821 aname->flags = flags;
1823 aname->name = g_strdup (name);
1826 if (g_ascii_strcasecmp (culture, "neutral") == 0)
1827 aname->culture = g_strdup ("");
1829 aname->culture = g_strdup (culture);
1832 if (token && strncmp (token, "null", 4) != 0) {
1835 /* the constant includes the ending NULL, hence the -1 */
1836 if (strlen (token) != (MONO_PUBLIC_KEY_TOKEN_LENGTH - 1)) {
1837 mono_assembly_name_free (aname);
1840 lower = g_ascii_strdown (token, MONO_PUBLIC_KEY_TOKEN_LENGTH);
1841 g_strlcpy ((char*)aname->public_key_token, lower, MONO_PUBLIC_KEY_TOKEN_LENGTH);
1847 if (strcmp (key, "null") == 0 || !parse_public_key (key, &pkey, &is_ecma)) {
1848 mono_assembly_name_free (aname);
1853 if (save_public_key)
1854 aname->public_key = (guint8*)pkey;
1857 g_strlcpy ((gchar*)aname->public_key_token, "b77a5c561934e089", MONO_PUBLIC_KEY_TOKEN_LENGTH);
1861 len = mono_metadata_decode_blob_size ((const gchar *) pkey, (const gchar **) &pkeyptr);
1862 // We also need to generate the key token
1863 mono_digest_get_public_token ((guchar*) tok, (guint8*) pkeyptr, len);
1864 encoded = encode_public_tok ((guchar*) tok, 8);
1865 g_strlcpy ((gchar*)aname->public_key_token, encoded, MONO_PUBLIC_KEY_TOKEN_LENGTH);
1868 if (save_public_key)
1869 aname->public_key = (guint8*) pkey;
1878 parse_assembly_directory_name (const char *name, const char *dirname, MonoAssemblyName *aname)
1883 parts = g_strsplit (dirname, "_", 3);
1884 if (!parts || !parts[0] || !parts[1] || !parts[2]) {
1889 res = build_assembly_name (name, parts[0], parts[1], parts[2], NULL, 0, 0, aname, FALSE);
1895 split_key_value (const gchar *pair, gchar **key, guint32 *keylen, gchar **value)
1897 char *eqsign = strchr (pair, '=');
1905 *key = (gchar*)pair;
1906 *keylen = eqsign - *key;
1907 while (*keylen > 0 && g_ascii_isspace ((*key) [*keylen - 1]))
1909 *value = g_strstrip (eqsign + 1);
1914 mono_assembly_name_parse_full (const char *name, MonoAssemblyName *aname, gboolean save_public_key, gboolean *is_version_defined, gboolean *is_token_defined)
1917 gchar *version = NULL;
1918 gchar *culture = NULL;
1919 gchar *token = NULL;
1921 gchar *retargetable = NULL;
1923 gchar *value, *part_name;
1924 guint32 part_name_len;
1927 gboolean version_defined;
1928 gboolean token_defined;
1930 guint32 arch = MONO_PROCESSOR_ARCHITECTURE_NONE;
1932 if (!is_version_defined)
1933 is_version_defined = &version_defined;
1934 *is_version_defined = FALSE;
1935 if (!is_token_defined)
1936 is_token_defined = &token_defined;
1937 *is_token_defined = FALSE;
1939 parts = tmp = g_strsplit (name, ",", 6);
1940 if (!tmp || !*tmp) {
1945 dllname = g_strstrip (*tmp);
1950 if (!split_key_value (g_strstrip (*tmp), &part_name, &part_name_len, &value))
1951 goto cleanup_and_fail;
1953 if (part_name_len == 7 && !g_ascii_strncasecmp (part_name, "Version", part_name_len)) {
1954 *is_version_defined = TRUE;
1956 if (strlen (version) == 0) {
1957 goto cleanup_and_fail;
1963 if (part_name_len == 7 && !g_ascii_strncasecmp (part_name, "Culture", part_name_len)) {
1965 if (strlen (culture) == 0) {
1966 goto cleanup_and_fail;
1972 if (part_name_len == 14 && !g_ascii_strncasecmp (part_name, "PublicKeyToken", part_name_len)) {
1973 *is_token_defined = TRUE;
1975 if (strlen (token) == 0) {
1976 goto cleanup_and_fail;
1982 if (part_name_len == 9 && !g_ascii_strncasecmp (part_name, "PublicKey", part_name_len)) {
1984 if (strlen (key) == 0) {
1985 goto cleanup_and_fail;
1991 if (part_name_len == 12 && !g_ascii_strncasecmp (part_name, "Retargetable", part_name_len)) {
1992 retargetable = value;
1993 if (strlen (retargetable) == 0) {
1994 goto cleanup_and_fail;
1996 if (!g_ascii_strcasecmp (retargetable, "yes")) {
1997 flags |= ASSEMBLYREF_RETARGETABLE_FLAG;
1998 } else if (g_ascii_strcasecmp (retargetable, "no")) {
1999 goto cleanup_and_fail;
2005 if (part_name_len == 21 && !g_ascii_strncasecmp (part_name, "ProcessorArchitecture", part_name_len)) {
2006 if (!g_ascii_strcasecmp (value, "None"))
2007 arch = MONO_PROCESSOR_ARCHITECTURE_NONE;
2008 else if (!g_ascii_strcasecmp (value, "MSIL"))
2009 arch = MONO_PROCESSOR_ARCHITECTURE_MSIL;
2010 else if (!g_ascii_strcasecmp (value, "X86"))
2011 arch = MONO_PROCESSOR_ARCHITECTURE_X86;
2012 else if (!g_ascii_strcasecmp (value, "IA64"))
2013 arch = MONO_PROCESSOR_ARCHITECTURE_IA64;
2014 else if (!g_ascii_strcasecmp (value, "AMD64"))
2015 arch = MONO_PROCESSOR_ARCHITECTURE_AMD64;
2017 goto cleanup_and_fail;
2026 /* if retargetable flag is set, then we must have a fully qualified name */
2027 if (retargetable != NULL && (version == NULL || culture == NULL || (key == NULL && token == NULL))) {
2028 goto cleanup_and_fail;
2031 res = build_assembly_name (dllname, version, culture, token, key, flags, arch,
2032 aname, save_public_key);
2042 * mono_assembly_name_parse:
2043 * @name: name to parse
2044 * @aname: the destination assembly name
2046 * Parses an assembly qualified type name and assigns the name,
2047 * version, culture and token to the provided assembly name object.
2049 * Returns: true if the name could be parsed.
2052 mono_assembly_name_parse (const char *name, MonoAssemblyName *aname)
2054 return mono_assembly_name_parse_full (name, aname, FALSE, NULL, NULL);
2058 * mono_assembly_name_new:
2059 * @name: name to parse
2061 * Allocate a new MonoAssemblyName and fill its values from the
2064 * Returns: a newly allocated structure or NULL if there was any failure.
2067 mono_assembly_name_new (const char *name)
2069 MonoAssemblyName *aname = g_new0 (MonoAssemblyName, 1);
2070 if (mono_assembly_name_parse (name, aname))
2077 mono_assembly_name_get_name (MonoAssemblyName *aname)
2083 mono_assembly_name_get_culture (MonoAssemblyName *aname)
2085 return aname->culture;
2089 mono_assembly_name_get_pubkeytoken (MonoAssemblyName *aname)
2091 if (aname->public_key_token [0])
2092 return aname->public_key_token;
2097 mono_assembly_name_get_version (MonoAssemblyName *aname, uint16_t *minor, uint16_t *build, uint16_t *revision)
2100 *minor = aname->minor;
2102 *build = aname->build;
2104 *revision = aname->revision;
2105 return aname->major;
2108 static MonoAssembly*
2109 probe_for_partial_name (const char *basepath, const char *fullname, MonoAssemblyName *aname, MonoImageOpenStatus *status)
2111 gchar *fullpath = NULL;
2113 const char* direntry;
2114 MonoAssemblyName gac_aname;
2115 gint major=-1, minor=0, build=0, revision=0;
2116 gboolean exact_version;
2118 dirhandle = g_dir_open (basepath, 0, NULL);
2122 exact_version = (aname->major | aname->minor | aname->build | aname->revision) != 0;
2124 while ((direntry = g_dir_read_name (dirhandle))) {
2125 gboolean match = TRUE;
2127 if(!parse_assembly_directory_name (aname->name, direntry, &gac_aname))
2130 if (aname->culture != NULL && strcmp (aname->culture, gac_aname.culture) != 0)
2133 if (match && strlen ((char*)aname->public_key_token) > 0 &&
2134 !mono_public_tokens_are_equal (aname->public_key_token, gac_aname.public_key_token))
2138 if (exact_version) {
2139 match = (aname->major == gac_aname.major && aname->minor == gac_aname.minor &&
2140 aname->build == gac_aname.build && aname->revision == gac_aname.revision);
2142 else if (gac_aname.major < major)
2144 else if (gac_aname.major == major) {
2145 if (gac_aname.minor < minor)
2147 else if (gac_aname.minor == minor) {
2148 if (gac_aname.build < build)
2150 else if (gac_aname.build == build && gac_aname.revision <= revision)
2157 major = gac_aname.major;
2158 minor = gac_aname.minor;
2159 build = gac_aname.build;
2160 revision = gac_aname.revision;
2162 fullpath = g_build_path (G_DIR_SEPARATOR_S, basepath, direntry, fullname, NULL);
2165 mono_assembly_name_free (&gac_aname);
2168 g_dir_close (dirhandle);
2170 if (fullpath == NULL)
2173 MonoAssembly *res = mono_assembly_open (fullpath, status);
2180 mono_assembly_load_with_partial_name (const char *name, MonoImageOpenStatus *status)
2183 MonoAssemblyName *aname, base_name;
2184 #ifndef DISABLE_ASSEMBLY_REMAPPING
2185 MonoAssemblyName maped_aname;
2187 gchar *fullname, *gacpath;
2190 memset (&base_name, 0, sizeof (MonoAssemblyName));
2193 if (!mono_assembly_name_parse (name, aname))
2196 #ifndef DISABLE_ASSEMBLY_REMAPPING
2198 * If no specific version has been requested, make sure we load the
2199 * correct version for system assemblies.
2201 if ((aname->major | aname->minor | aname->build | aname->revision) == 0)
2202 aname = mono_assembly_remap_version (aname, &maped_aname);
2205 res = mono_assembly_loaded (aname);
2207 mono_assembly_name_free (aname);
2211 res = invoke_assembly_preload_hook (aname, assemblies_path);
2213 res->in_gac = FALSE;
2214 mono_assembly_name_free (aname);
2218 fullname = g_strdup_printf ("%s.dll", aname->name);
2220 if (extra_gac_paths) {
2221 paths = extra_gac_paths;
2222 while (!res && *paths) {
2223 gacpath = g_build_path (G_DIR_SEPARATOR_S, *paths, "lib", "mono", "gac", aname->name, NULL);
2224 res = probe_for_partial_name (gacpath, fullname, aname, status);
2233 mono_assembly_name_free (aname);
2237 gacpath = g_build_path (G_DIR_SEPARATOR_S, mono_assembly_getrootdir (), "mono", "gac", aname->name, NULL);
2238 res = probe_for_partial_name (gacpath, fullname, aname, status);
2244 MonoDomain *domain = mono_domain_get ();
2245 MonoReflectionAssembly *refasm = mono_try_assembly_resolve (domain, mono_string_new (domain, name), FALSE);
2247 res = refasm->assembly;
2251 mono_assembly_name_free (aname);
2257 mono_assembly_is_in_gac (const gchar *filename)
2259 const gchar *rootdir;
2263 if (filename == NULL)
2266 for (paths = extra_gac_paths; paths && *paths; paths++) {
2267 if (strstr (*paths, filename) != *paths)
2270 gp = (gchar *) (filename + strlen (*paths));
2271 if (*gp != G_DIR_SEPARATOR)
2274 if (strncmp (gp, "lib", 3))
2277 if (*gp != G_DIR_SEPARATOR)
2280 if (strncmp (gp, "mono", 4))
2283 if (*gp != G_DIR_SEPARATOR)
2286 if (strncmp (gp, "gac", 3))
2289 if (*gp != G_DIR_SEPARATOR)
2295 rootdir = mono_assembly_getrootdir ();
2296 if (strstr (filename, rootdir) != filename)
2299 gp = (gchar *) (filename + strlen (rootdir));
2300 if (*gp != G_DIR_SEPARATOR)
2303 if (strncmp (gp, "mono", 4))
2306 if (*gp != G_DIR_SEPARATOR)
2309 if (strncmp (gp, "gac", 3))
2312 if (*gp != G_DIR_SEPARATOR)
2318 mono_assembly_load_publisher_policy (MonoAssemblyName *aname)
2321 gchar *filename, *pname, *name, *culture, *version, *fullpath, *subpath;
2325 if (strstr (aname->name, ".dll")) {
2326 len = strlen (aname->name) - 4;
2327 name = g_malloc (len);
2328 strncpy (name, aname->name, len);
2330 name = g_strdup (aname->name);
2333 culture = g_utf8_strdown (aname->culture, -1);
2335 culture = g_strdup ("");
2337 pname = g_strdup_printf ("policy.%d.%d.%s", aname->major, aname->minor, name);
2338 version = g_strdup_printf ("0.0.0.0_%s_%s", culture, aname->public_key_token);
2342 filename = g_strconcat (pname, ".dll", NULL);
2343 subpath = g_build_path (G_DIR_SEPARATOR_S, pname, version, filename, NULL);
2349 if (extra_gac_paths) {
2350 paths = extra_gac_paths;
2351 while (!image && *paths) {
2352 fullpath = g_build_path (G_DIR_SEPARATOR_S, *paths,
2353 "lib", "mono", "gac", subpath, NULL);
2354 image = mono_image_open (fullpath, NULL);
2365 fullpath = g_build_path (G_DIR_SEPARATOR_S, mono_assembly_getrootdir (),
2366 "mono", "gac", subpath, NULL);
2367 image = mono_image_open (fullpath, NULL);
2374 static MonoAssemblyName*
2375 mono_assembly_bind_version (MonoAssemblyBindingInfo *info, MonoAssemblyName *aname, MonoAssemblyName *dest_name)
2377 memcpy (dest_name, aname, sizeof (MonoAssemblyName));
2378 dest_name->major = info->new_version.major;
2379 dest_name->minor = info->new_version.minor;
2380 dest_name->build = info->new_version.build;
2381 dest_name->revision = info->new_version.revision;
2386 /* LOCKING: Assumes that we are already locked */
2387 static MonoAssemblyBindingInfo*
2388 search_binding_loaded (MonoAssemblyName *aname)
2392 for (tmp = loaded_assembly_bindings; tmp; tmp = tmp->next) {
2393 MonoAssemblyBindingInfo *info = tmp->data;
2394 if (assembly_binding_maps_name (info, aname))
2401 static inline gboolean
2402 info_compare_versions (AssemblyVersionSet *left, AssemblyVersionSet *right)
2404 if (left->major != right->major || left->minor != right->minor ||
2405 left->build != right->build || left->revision != right->revision)
2411 static inline gboolean
2412 info_versions_equal (MonoAssemblyBindingInfo *left, MonoAssemblyBindingInfo *right)
2414 if (left->has_old_version_bottom != right->has_old_version_bottom)
2417 if (left->has_old_version_top != right->has_old_version_top)
2420 if (left->has_new_version != right->has_new_version)
2423 if (left->has_old_version_bottom && !info_compare_versions (&left->old_version_bottom, &right->old_version_bottom))
2426 if (left->has_old_version_top && !info_compare_versions (&left->old_version_top, &right->old_version_top))
2429 if (left->has_new_version && !info_compare_versions (&left->new_version, &right->new_version))
2435 /* LOCKING: assumes all the necessary locks are held */
2437 assembly_binding_info_parsed (MonoAssemblyBindingInfo *info, void *user_data)
2439 MonoAssemblyBindingInfo *info_copy;
2441 MonoAssemblyBindingInfo *info_tmp;
2442 MonoDomain *domain = (MonoDomain*)user_data;
2447 for (tmp = domain->assembly_bindings; tmp; tmp = tmp->next) {
2448 info_tmp = tmp->data;
2449 if (strcmp (info->name, info_tmp->name) == 0 && info_versions_equal (info, info_tmp))
2453 info_copy = mono_mempool_alloc0 (domain->mp, sizeof (MonoAssemblyBindingInfo));
2454 memcpy (info_copy, info, sizeof (MonoAssemblyBindingInfo));
2456 info_copy->name = mono_mempool_strdup (domain->mp, info->name);
2458 info_copy->culture = mono_mempool_strdup (domain->mp, info->culture);
2460 domain->assembly_bindings = g_slist_append_mempool (domain->mp, domain->assembly_bindings, info_copy);
2463 static inline gboolean
2464 info_major_minor_in_range (MonoAssemblyBindingInfo *info, MonoAssemblyName *aname)
2466 if (!info->has_old_version_bottom)
2469 if (info->old_version_bottom.major > aname->major || info->old_version_bottom.minor > aname->minor)
2472 if (info->has_old_version_top && (info->old_version_top.major < aname->major || info->old_version_top.minor < aname->minor))
2475 /* This is not the nicest way to do it, but it's a by-product of the way parsing is done */
2476 info->major = aname->major;
2477 info->minor = aname->minor;
2482 /* LOCKING: Assumes that we are already locked - both loader and domain locks */
2483 static MonoAssemblyBindingInfo*
2484 get_per_domain_assembly_binding_info (MonoDomain *domain, MonoAssemblyName *aname)
2486 MonoAssemblyBindingInfo *info;
2489 if (!domain->assembly_bindings)
2493 for (list = domain->assembly_bindings; list; list = list->next) {
2495 if (info && !strcmp (aname->name, info->name) && info_major_minor_in_range (info, aname))
2501 if (info->name && info->public_key_token [0] && info->has_old_version_bottom &&
2502 info->has_new_version && assembly_binding_maps_name (info, aname))
2503 info->is_valid = TRUE;
2505 info->is_valid = FALSE;
2511 static MonoAssemblyName*
2512 mono_assembly_apply_binding (MonoAssemblyName *aname, MonoAssemblyName *dest_name)
2514 MonoAssemblyBindingInfo *info, *info2;
2518 if (aname->public_key_token [0] == 0)
2521 domain = mono_domain_get ();
2522 mono_loader_lock ();
2523 info = search_binding_loaded (aname);
2525 mono_domain_lock (domain);
2526 info = get_per_domain_assembly_binding_info (domain, aname);
2527 mono_domain_unlock (domain);
2530 mono_loader_unlock ();
2532 if (!check_policy_versions (info, aname))
2535 mono_assembly_bind_version (info, aname, dest_name);
2539 if (domain && domain->setup && domain->setup->configuration_file) {
2540 mono_domain_lock (domain);
2541 if (!domain->assembly_bindings_parsed) {
2542 gchar *domain_config_file_name = mono_string_to_utf8 (domain->setup->configuration_file);
2543 gchar *domain_config_file_path = mono_portability_find_file (domain_config_file_name, TRUE);
2545 if (!domain_config_file_path)
2546 domain_config_file_path = domain_config_file_name;
2548 mono_config_parse_assembly_bindings (domain_config_file_path, aname->major, aname->minor, domain, assembly_binding_info_parsed);
2549 domain->assembly_bindings_parsed = TRUE;
2550 if (domain_config_file_name != domain_config_file_path)
2551 g_free (domain_config_file_name);
2552 g_free (domain_config_file_path);
2554 mono_domain_unlock (domain);
2556 mono_loader_lock ();
2557 mono_domain_lock (domain);
2558 info2 = get_per_domain_assembly_binding_info (domain, aname);
2561 info = g_memdup (info2, sizeof (MonoAssemblyBindingInfo));
2562 info->name = g_strdup (info2->name);
2563 info->culture = g_strdup (info2->culture);
2564 info->domain_id = domain->domain_id;
2567 mono_domain_unlock (domain);
2568 mono_loader_unlock ();
2572 info = g_new0 (MonoAssemblyBindingInfo, 1);
2573 info->major = aname->major;
2574 info->minor = aname->minor;
2577 if (!info->is_valid) {
2578 ppimage = mono_assembly_load_publisher_policy (aname);
2580 get_publisher_policy_info (ppimage, aname, info);
2581 mono_image_close (ppimage);
2585 /* Define default error value if needed */
2586 if (!info->is_valid) {
2587 info->name = g_strdup (aname->name);
2588 info->culture = g_strdup (aname->culture);
2589 g_strlcpy ((char *)info->public_key_token, (const char *)aname->public_key_token, MONO_PUBLIC_KEY_TOKEN_LENGTH);
2592 mono_loader_lock ();
2593 info2 = search_binding_loaded (aname);
2595 /* This binding was added by another thread
2597 mono_assembly_binding_info_free (info);
2602 loaded_assembly_bindings = g_slist_prepend (loaded_assembly_bindings, info);
2604 mono_loader_unlock ();
2606 if (!info->is_valid || !check_policy_versions (info, aname))
2609 mono_assembly_bind_version (info, aname, dest_name);
2614 * mono_assembly_load_from_gac
2616 * @aname: The assembly name object
2618 static MonoAssembly*
2619 mono_assembly_load_from_gac (MonoAssemblyName *aname, gchar *filename, MonoImageOpenStatus *status, MonoBoolean refonly)
2621 MonoAssembly *result = NULL;
2622 gchar *name, *version, *culture, *fullpath, *subpath;
2627 if (aname->public_key_token [0] == 0) {
2631 if (strstr (aname->name, ".dll")) {
2632 len = strlen (filename) - 4;
2633 name = g_malloc (len);
2634 strncpy (name, aname->name, len);
2636 name = g_strdup (aname->name);
2639 if (aname->culture) {
2640 culture = g_utf8_strdown (aname->culture, -1);
2642 culture = g_strdup ("");
2645 pubtok = g_ascii_strdown ((char*)aname->public_key_token, MONO_PUBLIC_KEY_TOKEN_LENGTH);
2646 version = g_strdup_printf ("%d.%d.%d.%d_%s_%s", aname->major,
2647 aname->minor, aname->build, aname->revision,
2651 subpath = g_build_path (G_DIR_SEPARATOR_S, name, version, filename, NULL);
2656 if (extra_gac_paths) {
2657 paths = extra_gac_paths;
2658 while (!result && *paths) {
2659 fullpath = g_build_path (G_DIR_SEPARATOR_S, *paths, "lib", "mono", "gac", subpath, NULL);
2660 result = mono_assembly_open_full (fullpath, status, refonly);
2667 result->in_gac = TRUE;
2672 fullpath = g_build_path (G_DIR_SEPARATOR_S, mono_assembly_getrootdir (),
2673 "mono", "gac", subpath, NULL);
2674 result = mono_assembly_open_full (fullpath, status, refonly);
2678 result->in_gac = TRUE;
2686 mono_assembly_load_corlib (const MonoRuntimeInfo *runtime, MonoImageOpenStatus *status)
2689 MonoAssemblyName *aname;
2692 /* g_print ("corlib already loaded\n"); */
2696 #if defined(__native_client__)
2697 if (corlibData != NULL && corlibSize != 0) {
2699 /* First "FALSE" instructs mono not to make a copy. */
2700 /* Second "FALSE" says this is not just a ref. */
2701 MonoImage* image = mono_image_open_from_data_full (corlibData, corlibSize, FALSE, &status, FALSE);
2702 if (image == NULL || status != 0)
2703 g_print("mono_image_open_from_data_full failed: %d\n", status);
2704 corlib = mono_assembly_load_from_full (image, "mscorlib", &status, FALSE);
2705 if (corlib == NULL || status != 0)
2706 g_print ("mono_assembly_load_from_full failed: %d\n", status);
2712 aname = mono_assembly_name_new ("mscorlib.dll");
2713 corlib = invoke_assembly_preload_hook (aname, assemblies_path);
2714 mono_assembly_name_free (aname);
2719 if (assemblies_path) {
2720 corlib = load_in_path ("mscorlib.dll", (const char**)assemblies_path, status, FALSE);
2725 /* Load corlib from mono/<version> */
2727 corlib_file = g_build_filename ("mono", runtime->framework_version, "mscorlib.dll", NULL);
2728 if (assemblies_path) {
2729 corlib = load_in_path (corlib_file, (const char**)assemblies_path, status, FALSE);
2731 g_free (corlib_file);
2735 corlib = load_in_path (corlib_file, default_path, status, FALSE);
2736 g_free (corlib_file);
2742 mono_assembly_load_full_nosearch (MonoAssemblyName *aname,
2743 const char *basedir,
2744 MonoImageOpenStatus *status,
2747 MonoAssembly *result;
2748 char *fullpath, *filename;
2749 #ifndef DISABLE_ASSEMBLY_REMAPPING
2750 MonoAssemblyName maped_aname;
2752 MonoAssemblyName maped_name_pp;
2757 #ifndef DISABLE_ASSEMBLY_REMAPPING
2758 aname = mono_assembly_remap_version (aname, &maped_aname);
2761 /* Reflection only assemblies don't get assembly binding */
2763 aname = mono_assembly_apply_binding (aname, &maped_name_pp);
2765 result = mono_assembly_loaded_full (aname, refonly);
2769 result = refonly ? invoke_assembly_refonly_preload_hook (aname, assemblies_path) : invoke_assembly_preload_hook (aname, assemblies_path);
2771 result->in_gac = FALSE;
2775 /* Currently we retrieve the loaded corlib for reflection
2776 * only requests, like a common reflection only assembly
2778 if (strcmp (aname->name, "mscorlib") == 0 || strcmp (aname->name, "mscorlib.dll") == 0) {
2779 return mono_assembly_load_corlib (mono_get_runtime_info (), status);
2782 len = strlen (aname->name);
2783 for (ext_index = 0; ext_index < 2; ext_index ++) {
2784 ext = ext_index == 0 ? ".dll" : ".exe";
2785 if (len > 4 && (!strcmp (aname->name + len - 4, ".dll") || !strcmp (aname->name + len - 4, ".exe"))) {
2786 filename = g_strdup (aname->name);
2787 /* Don't try appending .dll/.exe if it already has one of those extensions */
2790 filename = g_strconcat (aname->name, ext, NULL);
2793 result = mono_assembly_load_from_gac (aname, filename, status, refonly);
2800 fullpath = g_build_filename (basedir, filename, NULL);
2801 result = mono_assembly_open_full (fullpath, status, refonly);
2804 result->in_gac = FALSE;
2810 result = load_in_path (filename, default_path, status, refonly);
2812 result->in_gac = FALSE;
2822 * mono_assembly_load_full:
2823 * @aname: A MonoAssemblyName with the assembly name to load.
2824 * @basedir: A directory to look up the assembly at.
2825 * @status: a pointer to a MonoImageOpenStatus to return the status of the load operation
2826 * @refonly: Whether this assembly is being opened in "reflection-only" mode.
2828 * Loads the assembly referenced by @aname, if the value of @basedir is not NULL, it
2829 * attempts to load the assembly from that directory before probing the standard locations.
2831 * If the assembly is being opened in reflection-only mode (@refonly set to TRUE) then no
2832 * assembly binding takes place.
2834 * Returns: the assembly referenced by @aname loaded or NULL on error. On error the
2835 * value pointed by status is updated with an error code.
2838 mono_assembly_load_full (MonoAssemblyName *aname, const char *basedir, MonoImageOpenStatus *status, gboolean refonly)
2840 MonoAssembly *result = mono_assembly_load_full_nosearch (aname, basedir, status, refonly);
2843 /* Try a postload search hook */
2844 result = mono_assembly_invoke_search_hook_internal (aname, refonly, TRUE);
2849 * mono_assembly_load:
2850 * @aname: A MonoAssemblyName with the assembly name to load.
2851 * @basedir: A directory to look up the assembly at.
2852 * @status: a pointer to a MonoImageOpenStatus to return the status of the load operation
2854 * Loads the assembly referenced by @aname, if the value of @basedir is not NULL, it
2855 * attempts to load the assembly from that directory before probing the standard locations.
2857 * Returns: the assembly referenced by @aname loaded or NULL on error. On error the
2858 * value pointed by status is updated with an error code.
2861 mono_assembly_load (MonoAssemblyName *aname, const char *basedir, MonoImageOpenStatus *status)
2863 return mono_assembly_load_full (aname, basedir, status, FALSE);
2867 mono_assembly_loaded_full (MonoAssemblyName *aname, gboolean refonly)
2870 #ifndef DISABLE_ASSEMBLY_REMAPPING
2871 MonoAssemblyName maped_aname;
2873 aname = mono_assembly_remap_version (aname, &maped_aname);
2876 res = mono_assembly_invoke_search_hook_internal (aname, refonly, FALSE);
2882 * mono_assembly_loaded:
2883 * @aname: an assembly to look for.
2885 * Returns: NULL If the given @aname assembly has not been loaded, or a pointer to
2886 * a MonoAssembly that matches the MonoAssemblyName specified.
2889 mono_assembly_loaded (MonoAssemblyName *aname)
2891 return mono_assembly_loaded_full (aname, FALSE);
2895 mono_assembly_release_gc_roots (MonoAssembly *assembly)
2897 if (assembly == NULL || assembly == REFERENCE_MISSING)
2900 if (assembly->dynamic) {
2902 MonoDynamicImage *dynimg = (MonoDynamicImage *)assembly->image;
2903 for (i = 0; i < dynimg->image.module_count; ++i)
2904 mono_dynamic_image_release_gc_roots ((MonoDynamicImage *)dynimg->image.modules [i]);
2905 mono_dynamic_image_release_gc_roots (dynimg);
2910 * Returns whether mono_assembly_close_finish() must be called as
2911 * well. See comment for mono_image_close_except_pools() for why we
2912 * unload in two steps.
2915 mono_assembly_close_except_image_pools (MonoAssembly *assembly)
2918 g_return_val_if_fail (assembly != NULL, FALSE);
2920 if (assembly == REFERENCE_MISSING)
2923 /* Might be 0 already */
2924 if (InterlockedDecrement (&assembly->ref_count) > 0)
2927 mono_profiler_assembly_event (assembly, MONO_PROFILE_START_UNLOAD);
2929 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_ASSEMBLY, "Unloading assembly %s [%p].", assembly->aname.name, assembly);
2931 mono_debug_close_image (assembly->image);
2933 mono_assemblies_lock ();
2934 loaded_assemblies = g_list_remove (loaded_assemblies, assembly);
2935 mono_assemblies_unlock ();
2937 assembly->image->assembly = NULL;
2939 if (!mono_image_close_except_pools (assembly->image))
2940 assembly->image = NULL;
2942 for (tmp = assembly->friend_assembly_names; tmp; tmp = tmp->next) {
2943 MonoAssemblyName *fname = tmp->data;
2944 mono_assembly_name_free (fname);
2947 g_slist_free (assembly->friend_assembly_names);
2948 g_free (assembly->basedir);
2950 mono_profiler_assembly_event (assembly, MONO_PROFILE_END_UNLOAD);
2956 mono_assembly_close_finish (MonoAssembly *assembly)
2958 g_assert (assembly && assembly != REFERENCE_MISSING);
2960 if (assembly->image)
2961 mono_image_close_finish (assembly->image);
2963 if (assembly->dynamic) {
2964 g_free ((char*)assembly->aname.culture);
2971 * mono_assembly_close:
2972 * @assembly: the assembly to release.
2974 * This method releases a reference to the @assembly. The assembly is
2975 * only released when all the outstanding references to it are released.
2978 mono_assembly_close (MonoAssembly *assembly)
2980 if (mono_assembly_close_except_image_pools (assembly))
2981 mono_assembly_close_finish (assembly);
2985 mono_assembly_load_module (MonoAssembly *assembly, guint32 idx)
2987 return mono_image_load_file_for_image (assembly->image, idx);
2991 mono_assembly_foreach (GFunc func, gpointer user_data)
2996 * We make a copy of the list to avoid calling the callback inside the
2997 * lock, which could lead to deadlocks.
2999 mono_assemblies_lock ();
3000 copy = g_list_copy (loaded_assemblies);
3001 mono_assemblies_unlock ();
3003 g_list_foreach (loaded_assemblies, func, user_data);
3009 * mono_assemblies_cleanup:
3011 * Free all resources used by this module.
3014 mono_assemblies_cleanup (void)
3018 DeleteCriticalSection (&assemblies_mutex);
3020 for (l = loaded_assembly_bindings; l; l = l->next) {
3021 MonoAssemblyBindingInfo *info = l->data;
3023 mono_assembly_binding_info_free (info);
3026 g_slist_free (loaded_assembly_bindings);
3028 free_assembly_load_hooks ();
3029 free_assembly_search_hooks ();
3030 free_assembly_preload_hooks ();
3033 /*LOCKING assumes loader lock is held*/
3035 mono_assembly_cleanup_domain_bindings (guint32 domain_id)
3037 GSList **iter = &loaded_assembly_bindings;
3041 MonoAssemblyBindingInfo *info = l->data;
3043 if (info->domain_id == domain_id) {
3045 mono_assembly_binding_info_free (info);
3055 * Holds the assembly of the application, for
3056 * System.Diagnostics.Process::MainModule
3058 static MonoAssembly *main_assembly=NULL;
3061 mono_assembly_set_main (MonoAssembly *assembly)
3063 main_assembly = assembly;
3067 * mono_assembly_get_main:
3069 * Returns: the assembly for the application, the first assembly that is loaded by the VM
3072 mono_assembly_get_main (void)
3074 return (main_assembly);
3078 * mono_assembly_get_image:
3079 * @assembly: The assembly to retrieve the image from
3081 * Returns: the MonoImage associated with this assembly.
3084 mono_assembly_get_image (MonoAssembly *assembly)
3086 return assembly->image;
3090 mono_register_bundled_assemblies (const MonoBundledAssembly **assemblies)
3092 bundles = assemblies;
3095 #define MONO_DECLSEC_FORMAT_10 0x3C
3096 #define MONO_DECLSEC_FORMAT_20 0x2E
3097 #define MONO_DECLSEC_FIELD 0x53
3098 #define MONO_DECLSEC_PROPERTY 0x54
3100 #define SKIP_VISIBILITY_XML_ATTRIBUTE ("\"SkipVerification\"")
3101 #define SKIP_VISIBILITY_ATTRIBUTE_NAME ("System.Security.Permissions.SecurityPermissionAttribute")
3102 #define SKIP_VISIBILITY_ATTRIBUTE_SIZE (sizeof (SKIP_VISIBILITY_ATTRIBUTE_NAME) - 1)
3103 #define SKIP_VISIBILITY_PROPERTY_NAME ("SkipVerification")
3104 #define SKIP_VISIBILITY_PROPERTY_SIZE (sizeof (SKIP_VISIBILITY_PROPERTY_NAME) - 1)
3107 mono_assembly_try_decode_skip_verification_param (const char *p, const char **resp, gboolean *abort_decoding)
3111 case MONO_DECLSEC_PROPERTY:
3113 case MONO_DECLSEC_FIELD:
3115 *abort_decoding = TRUE;
3120 if (*p++ != MONO_TYPE_BOOLEAN) {
3121 *abort_decoding = TRUE;
3125 /* property name length */
3126 len = mono_metadata_decode_value (p, &p);
3128 if (len >= SKIP_VISIBILITY_PROPERTY_SIZE && !memcmp (p, SKIP_VISIBILITY_PROPERTY_NAME, SKIP_VISIBILITY_PROPERTY_SIZE)) {
3139 mono_assembly_try_decode_skip_verification (const char *p, const char *endn)
3141 int i, j, num, len, params_len;
3143 if (*p == MONO_DECLSEC_FORMAT_10) {
3144 gsize read, written;
3145 char *res = g_convert (p, endn - p, "UTF-8", "UTF-16LE", &read, &written, NULL);
3147 gboolean found = strstr (res, SKIP_VISIBILITY_XML_ATTRIBUTE) != NULL;
3153 if (*p++ != MONO_DECLSEC_FORMAT_20)
3156 /* number of encoded permission attributes */
3157 num = mono_metadata_decode_value (p, &p);
3158 for (i = 0; i < num; ++i) {
3159 gboolean is_valid = FALSE;
3160 gboolean abort_decoding = FALSE;
3162 /* attribute name length */
3163 len = mono_metadata_decode_value (p, &p);
3165 /* We don't really need to fully decode the type. Comparing the name is enough */
3166 is_valid = len >= SKIP_VISIBILITY_ATTRIBUTE_SIZE && !memcmp (p, SKIP_VISIBILITY_ATTRIBUTE_NAME, SKIP_VISIBILITY_ATTRIBUTE_SIZE);
3170 /*size of the params table*/
3171 params_len = mono_metadata_decode_value (p, &p);
3173 const char *params_end = p + params_len;
3175 /* number of parameters */
3176 len = mono_metadata_decode_value (p, &p);
3178 for (j = 0; j < len; ++j) {
3179 if (mono_assembly_try_decode_skip_verification_param (p, &p, &abort_decoding))
3195 mono_assembly_has_skip_verification (MonoAssembly *assembly)
3198 guint32 cols [MONO_DECL_SECURITY_SIZE];
3202 if (MONO_SECMAN_FLAG_INIT (assembly->skipverification))
3203 return MONO_SECMAN_FLAG_GET_VALUE (assembly->skipverification);
3205 t = &assembly->image->tables [MONO_TABLE_DECLSECURITY];
3207 for (i = 0; i < t->rows; ++i) {
3208 mono_metadata_decode_row (t, i, cols, MONO_DECL_SECURITY_SIZE);
3209 if ((cols [MONO_DECL_SECURITY_PARENT] & MONO_HAS_DECL_SECURITY_MASK) != MONO_HAS_DECL_SECURITY_ASSEMBLY)
3211 if (cols [MONO_DECL_SECURITY_ACTION] != SECURITY_ACTION_REQMIN)
3214 blob = mono_metadata_blob_heap (assembly->image, cols [MONO_DECL_SECURITY_PERMISSIONSET]);
3215 len = mono_metadata_decode_blob_size (blob, &blob);
3219 if (mono_assembly_try_decode_skip_verification (blob, blob + len)) {
3220 MONO_SECMAN_FLAG_SET_VALUE (assembly->skipverification, TRUE);
3225 MONO_SECMAN_FLAG_SET_VALUE (assembly->skipverification, FALSE);