2 * assembly.c: Routines for loading assemblies.
5 * Miguel de Icaza (miguel@ximian.com)
7 * Copyright 2001-2003 Ximian, Inc (http://www.ximian.com)
8 * Copyright 2004-2009 Novell, Inc (http://www.novell.com)
18 #include "object-internals.h"
19 #include <mono/metadata/loader.h>
20 #include <mono/metadata/tabledefs.h>
21 #include <mono/metadata/metadata-internals.h>
22 #include <mono/metadata/profiler-private.h>
23 #include <mono/metadata/class-internals.h>
24 #include <mono/metadata/domain-internals.h>
25 #include <mono/metadata/mono-endian.h>
26 #include <mono/metadata/mono-debug.h>
27 #include <mono/io-layer/io-layer.h>
28 #include <mono/utils/mono-uri.h>
29 #include <mono/metadata/mono-config.h>
30 #include <mono/utils/mono-digest.h>
31 #include <mono/utils/mono-logger-internal.h>
32 #include <mono/utils/mono-path.h>
33 #include <mono/metadata/reflection.h>
34 #include <mono/metadata/coree.h>
37 #include <sys/types.h>
42 #ifdef PLATFORM_MACOSX
43 #include <mach-o/dyld.h>
46 /* AssemblyVersionMap: an assembly name and the assembly version set on which it is based */
48 const char* assembly_name;
49 guint8 version_set_index;
52 /* the default search path is empty, the first slot is replaced with the computed value */
59 /* Contains the list of directories to be searched for assemblies (MONO_PATH) */
60 static char **assemblies_path = NULL;
62 /* Contains the list of directories that point to auxiliary GACs */
63 static char **extra_gac_paths = NULL;
65 #ifndef DISABLE_ASSEMBLY_REMAPPING
66 /* The list of system assemblies what will be remapped to the running
67 * runtime version. WARNING: this list must be sorted.
69 static const AssemblyVersionMap framework_assemblies [] = {
71 {"Commons.Xml.Relaxng", 0},
78 {"Microsoft.VisualBasic", 1},
79 {"Microsoft.VisualC", 1},
81 {"Mono.CompilerServices.SymbolWriter", 0},
83 {"Mono.Data.SybaseClient", 0},
85 {"Mono.Data.TdsClient", 0},
86 {"Mono.GetOptions", 0},
90 {"Mono.Security.Win32", 0},
92 {"Novell.Directory.Ldap", 0},
96 {"System.ComponentModel.DataAnnotations", 2},
97 {"System.Configuration", 0},
98 {"System.Configuration.Install", 0},
101 {"System.Data.Linq", 2},
102 {"System.Data.OracleClient", 0},
103 {"System.Data.SqlXml", 0},
104 {"System.Design", 0},
105 {"System.DirectoryServices", 0},
106 {"System.Drawing", 0},
107 {"System.Drawing.Design", 0},
108 {"System.EnterpriseServices", 0},
109 {"System.Management", 0},
110 {"System.Messaging", 0},
111 {"System.Runtime.Remoting", 0},
112 {"System.Runtime.Serialization.Formatters.Soap", 0},
113 {"System.Security", 0},
114 {"System.ServiceProcess", 0},
116 {"System.Web.Abstractions", 2},
117 {"System.Web.Extensions", 2},
118 {"System.Web.Mobile", 0},
119 {"System.Web.Routing", 2},
120 {"System.Web.Services", 0},
121 {"System.Windows.Forms", 0},
128 * keeps track of loaded assemblies
130 static GList *loaded_assemblies = NULL;
131 static MonoAssembly *corlib;
133 #if defined(__native_client__)
135 /* On Native Client, allow mscorlib to be loaded from memory */
136 /* instead of loaded off disk. If these are not set, default */
137 /* mscorlib loading will take place */
139 /* NOTE: If mscorlib data is passed to mono in this way then */
140 /* it needs to remain allocated during the use of mono. */
142 static void *corlibData = NULL;
143 static size_t corlibSize = 0;
146 mono_set_corlib_data (void *data, size_t size)
154 /* This protects loaded_assemblies and image->references */
155 #define mono_assemblies_lock() EnterCriticalSection (&assemblies_mutex)
156 #define mono_assemblies_unlock() LeaveCriticalSection (&assemblies_mutex)
157 static CRITICAL_SECTION assemblies_mutex;
159 /* If defined, points to the bundled assembly information */
160 const MonoBundledAssembly **bundles;
162 /* Loaded assembly binding info */
163 static GSList *loaded_assembly_bindings = NULL;
166 mono_assembly_invoke_search_hook_internal (MonoAssemblyName *aname, gboolean refonly, gboolean postload);
168 mono_assembly_is_in_gac (const gchar *filanem);
171 encode_public_tok (const guchar *token, gint32 len)
173 const static gchar allowed [] = { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f' };
177 res = g_malloc (len * 2 + 1);
178 for (i = 0; i < len; i++) {
179 res [i * 2] = allowed [token [i] >> 4];
180 res [i * 2 + 1] = allowed [token [i] & 0xF];
187 * mono_public_tokens_are_equal:
188 * @pubt1: first public key token
189 * @pubt2: second public key token
191 * Compare two public key tokens and return #TRUE is they are equal and #FALSE
195 mono_public_tokens_are_equal (const unsigned char *pubt1, const unsigned char *pubt2)
197 return memcmp (pubt1, pubt2, 16) == 0;
201 check_path_env (void)
204 char **splitted, **dest;
206 path = g_getenv ("MONO_PATH");
210 splitted = g_strsplit (path, G_SEARCHPATH_SEPARATOR_S, 1000);
212 g_strfreev (assemblies_path);
213 assemblies_path = dest = splitted;
221 if (g_getenv ("MONO_DEBUG") == NULL)
224 splitted = assemblies_path;
226 if (**splitted && !g_file_test (*splitted, G_FILE_TEST_IS_DIR))
227 g_warning ("'%s' in MONO_PATH doesn't exist or has wrong permissions.", *splitted);
234 check_extra_gac_path_env (void) {
236 char **splitted, **dest;
238 path = g_getenv ("MONO_GAC_PREFIX");
242 splitted = g_strsplit (path, G_SEARCHPATH_SEPARATOR_S, 1000);
244 g_strfreev (extra_gac_paths);
245 extra_gac_paths = dest = splitted;
253 if (g_getenv ("MONO_DEBUG") == NULL)
257 if (**splitted && !g_file_test (*splitted, G_FILE_TEST_IS_DIR))
258 g_warning ("'%s' in MONO_GAC_PREFIX doesn't exist or has wrong permissions.", *splitted);
265 assembly_binding_maps_name (MonoAssemblyBindingInfo *info, MonoAssemblyName *aname)
267 if (!info || !info->name)
270 if (strcmp (info->name, aname->name))
273 if (info->major != aname->major || info->minor != aname->minor)
276 if ((info->culture != NULL && info->culture [0]) != (aname->culture != NULL && aname->culture [0]))
279 if (info->culture && aname->culture && strcmp (info->culture, aname->culture))
282 if (!mono_public_tokens_are_equal (info->public_key_token, aname->public_key_token))
289 mono_assembly_binding_info_free (MonoAssemblyBindingInfo *info)
295 g_free (info->culture);
299 get_publisher_policy_info (MonoImage *image, MonoAssemblyName *aname, MonoAssemblyBindingInfo *binding_info)
302 guint32 cols [MONO_MANIFEST_SIZE];
303 const gchar *filename;
304 gchar *subpath, *fullpath;
306 t = &image->tables [MONO_TABLE_MANIFESTRESOURCE];
307 /* MS Impl. accepts policy assemblies with more than
308 * one manifest resource, and only takes the first one */
310 binding_info->is_valid = FALSE;
314 mono_metadata_decode_row (t, 0, cols, MONO_MANIFEST_SIZE);
315 if ((cols [MONO_MANIFEST_IMPLEMENTATION] & MONO_IMPLEMENTATION_MASK) != MONO_IMPLEMENTATION_FILE) {
316 binding_info->is_valid = FALSE;
320 filename = mono_metadata_string_heap (image, cols [MONO_MANIFEST_NAME]);
321 g_assert (filename != NULL);
323 subpath = g_path_get_dirname (image->name);
324 fullpath = g_build_path (G_DIR_SEPARATOR_S, subpath, filename, NULL);
325 mono_config_parse_publisher_policy (fullpath, binding_info);
329 /* Define the optional elements/attributes before checking */
330 if (!binding_info->culture)
331 binding_info->culture = g_strdup ("");
333 /* Check that the most important elements/attributes exist */
334 if (!binding_info->name || !binding_info->public_key_token [0] || !binding_info->has_old_version_bottom ||
335 !binding_info->has_new_version || !assembly_binding_maps_name (binding_info, aname)) {
336 mono_assembly_binding_info_free (binding_info);
337 binding_info->is_valid = FALSE;
341 binding_info->is_valid = TRUE;
345 compare_versions (AssemblyVersionSet *v, MonoAssemblyName *aname)
347 if (v->major > aname->major)
349 else if (v->major < aname->major)
352 if (v->minor > aname->minor)
354 else if (v->minor < aname->minor)
357 if (v->build > aname->build)
359 else if (v->build < aname->build)
362 if (v->revision > aname->revision)
364 else if (v->revision < aname->revision)
371 check_policy_versions (MonoAssemblyBindingInfo *info, MonoAssemblyName *name)
376 /* If has_old_version_top doesn't exist, we don't have an interval */
377 if (!info->has_old_version_top) {
378 if (compare_versions (&info->old_version_bottom, name) == 0)
384 /* Check that the version defined by name is valid for the interval */
385 if (compare_versions (&info->old_version_top, name) < 0)
388 /* We should be greater or equal than the small version */
389 if (compare_versions (&info->old_version_bottom, name) > 0)
396 * mono_assembly_names_equal:
398 * @r: second assembly.
400 * Compares two MonoAssemblyNames and returns whether they are equal.
402 * This compares the names, the cultures, the release version and their
405 * Returns: TRUE if both assembly names are equal.
408 mono_assembly_names_equal (MonoAssemblyName *l, MonoAssemblyName *r)
410 if (!l->name || !r->name)
413 if (strcmp (l->name, r->name))
416 if (l->culture && r->culture && strcmp (l->culture, r->culture))
419 if (l->major != r->major || l->minor != r->minor ||
420 l->build != r->build || l->revision != r->revision)
421 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)))
424 if (!l->public_key_token [0] || !r->public_key_token [0])
427 if (!mono_public_tokens_are_equal (l->public_key_token, r->public_key_token))
433 static MonoAssembly *
434 load_in_path (const char *basename, const char** search_path, MonoImageOpenStatus *status, MonoBoolean refonly)
438 MonoAssembly *result;
440 for (i = 0; search_path [i]; ++i) {
441 fullpath = g_build_filename (search_path [i], basename, NULL);
442 result = mono_assembly_open_full (fullpath, status, refonly);
451 * mono_assembly_setrootdir:
452 * @root_dir: The pathname of the root directory where we will locate assemblies
454 * This routine sets the internal default root directory for looking up
457 * This is used by Windows installations to compute dynamically the
458 * place where the Mono assemblies are located.
462 mono_assembly_setrootdir (const char *root_dir)
465 * Override the MONO_ASSEMBLIES directory configured at compile time.
467 /* Leak if called more than once */
468 default_path [0] = g_strdup (root_dir);
472 * mono_assembly_getrootdir:
474 * Obtains the root directory used for looking up assemblies.
476 * Returns: a string with the directory, this string should not be freed.
478 G_CONST_RETURN gchar *
479 mono_assembly_getrootdir (void)
481 return default_path [0];
486 * @assembly_dir: the base directory for assemblies
487 * @config_dir: the base directory for configuration files
489 * This routine is used internally and by developers embedding
490 * the runtime into their own applications.
492 * There are a number of cases to consider: Mono as a system-installed
493 * package that is available on the location preconfigured or Mono in
494 * a relocated location.
496 * If you are using a system-installed Mono, you can pass NULL
497 * to both parameters. If you are not, you should compute both
498 * directory values and call this routine.
500 * The values for a given PREFIX are:
502 * assembly_dir: PREFIX/lib
503 * config_dir: PREFIX/etc
505 * Notice that embedders that use Mono in a relocated way must
506 * compute the location at runtime, as they will be in control
507 * of where Mono is installed.
510 mono_set_dirs (const char *assembly_dir, const char *config_dir)
512 #if defined (MONO_ASSEMBLIES)
513 if (assembly_dir == NULL)
514 assembly_dir = MONO_ASSEMBLIES;
516 #if defined (MONO_CFG_DIR)
517 if (config_dir == NULL)
518 config_dir = MONO_CFG_DIR;
520 mono_assembly_setrootdir (assembly_dir);
521 mono_set_config_dir (config_dir);
527 compute_base (char *path)
529 char *p = strrchr (path, '/');
533 /* Not a well known Mono executable, we are embedded, cant guess the base */
534 if (strcmp (p, "/mono") && strcmp (p, "/monodis") && strcmp (p, "/mint") && strcmp (p, "/monodiet"))
538 p = strrchr (path, '/');
542 if (strcmp (p, "/bin") != 0)
551 mono_set_dirs (MONO_ASSEMBLIES, MONO_CFG_DIR);
558 char *config, *lib, *mono;
562 * Only /usr prefix is treated specially
564 if (strncmp (exe, MONO_BINDIR, strlen (MONO_BINDIR)) == 0 || (base = compute_base (exe)) == NULL){
569 config = g_build_filename (base, "etc", NULL);
570 lib = g_build_filename (base, "lib", NULL);
571 mono = g_build_filename (lib, "mono/1.0", NULL);
572 if (stat (mono, &buf) == -1)
575 mono_set_dirs (lib, config);
583 #endif /* HOST_WIN32 */
588 * Registers the root directory for the Mono runtime, for Linux and Solaris 10,
589 * this auto-detects the prefix where Mono was installed.
592 mono_set_rootdir (void)
594 #if defined(HOST_WIN32) || (defined(PLATFORM_MACOSX) && !defined(TARGET_ARM))
595 gchar *bindir, *installdir, *root, *name, *resolvedname, *config;
598 name = mono_get_module_file_name ((HMODULE) &__ImageBase);
602 * _NSGetExecutablePath may return -1 to indicate buf is not large
603 * enough, but we ignore that case to avoid having to do extra dynamic
604 * allocation for the path and hope that 4096 is enough - this is
605 * ok in the Linux/Solaris case below at least...
609 guint buf_size = sizeof (buf);
611 if (_NSGetExecutablePath (buf, &buf_size) == 0)
612 name = g_strdup (buf);
619 name = mono_path_resolve_symlinks (name);
623 resolvedname = mono_path_resolve_symlinks (name);
625 bindir = g_path_get_dirname (resolvedname);
626 installdir = g_path_get_dirname (bindir);
627 root = g_build_path (G_DIR_SEPARATOR_S, installdir, "lib", NULL);
629 config = g_build_filename (root, "..", "etc", NULL);
631 mono_set_dirs (root, config);
633 if (g_file_test (root, G_FILE_TEST_EXISTS) && g_file_test (config, G_FILE_TEST_EXISTS))
634 mono_set_dirs (root, config);
644 g_free (resolvedname);
645 #elif defined(DISABLE_MONO_AUTODETECTION)
653 s = readlink ("/proc/self/exe", buf, sizeof (buf)-1);
661 /* Solaris 10 style */
662 str = g_strdup_printf ("/proc/%d/path/a.out", getpid ());
663 s = readlink (str, buf, sizeof (buf)-1);
675 * mono_assemblies_init:
677 * Initialize global variables used by this module.
680 mono_assemblies_init (void)
683 * Initialize our internal paths if we have not been initialized yet.
684 * This happens when embedders use Mono.
686 if (mono_assembly_getrootdir () == NULL)
690 check_extra_gac_path_env ();
692 InitializeCriticalSection (&assemblies_mutex);
696 mono_assembly_fill_assembly_name (MonoImage *image, MonoAssemblyName *aname)
698 MonoTableInfo *t = &image->tables [MONO_TABLE_ASSEMBLY];
699 guint32 cols [MONO_ASSEMBLY_SIZE];
704 mono_metadata_decode_row (t, 0, cols, MONO_ASSEMBLY_SIZE);
707 aname->hash_value = NULL;
708 aname->name = mono_metadata_string_heap (image, cols [MONO_ASSEMBLY_NAME]);
709 aname->culture = mono_metadata_string_heap (image, cols [MONO_ASSEMBLY_CULTURE]);
710 aname->flags = cols [MONO_ASSEMBLY_FLAGS];
711 aname->major = cols [MONO_ASSEMBLY_MAJOR_VERSION];
712 aname->minor = cols [MONO_ASSEMBLY_MINOR_VERSION];
713 aname->build = cols [MONO_ASSEMBLY_BUILD_NUMBER];
714 aname->revision = cols [MONO_ASSEMBLY_REV_NUMBER];
715 aname->hash_alg = cols [MONO_ASSEMBLY_HASH_ALG];
716 if (cols [MONO_ASSEMBLY_PUBLIC_KEY]) {
717 guchar* token = g_malloc (8);
722 pkey = mono_metadata_blob_heap (image, cols [MONO_ASSEMBLY_PUBLIC_KEY]);
723 len = mono_metadata_decode_blob_size (pkey, &pkey);
724 aname->public_key = (guchar*)pkey;
726 mono_digest_get_public_token (token, aname->public_key, len);
727 encoded = encode_public_tok (token, 8);
728 g_strlcpy ((char*)aname->public_key_token, encoded, MONO_PUBLIC_KEY_TOKEN_LENGTH);
734 aname->public_key = NULL;
735 memset (aname->public_key_token, 0, MONO_PUBLIC_KEY_TOKEN_LENGTH);
738 if (cols [MONO_ASSEMBLY_PUBLIC_KEY]) {
739 aname->public_key = (guchar*)mono_metadata_blob_heap (image, cols [MONO_ASSEMBLY_PUBLIC_KEY]);
742 aname->public_key = 0;
748 * mono_stringify_assembly_name:
749 * @aname: the assembly name.
751 * Convert @aname into its string format. The returned string is dynamically
752 * allocated and should be freed by the caller.
754 * Returns: a newly allocated string with a string representation of
758 mono_stringify_assembly_name (MonoAssemblyName *aname)
760 return g_strdup_printf (
761 "%s, Version=%d.%d.%d.%d, Culture=%s, PublicKeyToken=%s%s",
763 aname->major, aname->minor, aname->build, aname->revision,
764 aname->culture && *aname->culture? aname->culture: "neutral",
765 aname->public_key_token [0] ? (char *)aname->public_key_token : "null",
766 (aname->flags & ASSEMBLYREF_RETARGETABLE_FLAG) ? ", Retargetable=Yes" : "");
770 assemblyref_public_tok (MonoImage *image, guint32 key_index, guint32 flags)
772 const gchar *public_tok;
775 public_tok = mono_metadata_blob_heap (image, key_index);
776 len = mono_metadata_decode_blob_size (public_tok, &public_tok);
778 if (flags & ASSEMBLYREF_FULL_PUBLIC_KEY_FLAG) {
780 mono_digest_get_public_token (token, (guchar*)public_tok, len);
781 return encode_public_tok (token, 8);
784 return encode_public_tok ((guchar*)public_tok, len);
788 * mono_assembly_addref:
789 * @assemnly: the assembly to reference
791 * This routine increments the reference count on a MonoAssembly.
792 * The reference count is reduced every time the method mono_assembly_close() is
796 mono_assembly_addref (MonoAssembly *assembly)
798 InterlockedIncrement (&assembly->ref_count);
801 #ifndef DISABLE_ASSEMBLY_REMAPPING
802 static MonoAssemblyName *
803 mono_assembly_remap_version (MonoAssemblyName *aname, MonoAssemblyName *dest_aname)
805 const MonoRuntimeInfo *current_runtime;
806 int pos, first, last;
808 if (aname->name == NULL) return aname;
809 current_runtime = mono_get_runtime_info ();
812 last = G_N_ELEMENTS (framework_assemblies) - 1;
814 while (first <= last) {
816 pos = first + (last - first) / 2;
817 res = strcmp (aname->name, framework_assemblies[pos].assembly_name);
819 const AssemblyVersionSet* vset;
820 int index = framework_assemblies[pos].version_set_index;
821 g_assert (index < G_N_ELEMENTS (current_runtime->version_sets));
822 vset = ¤t_runtime->version_sets [index];
824 if (aname->major == vset->major && aname->minor == vset->minor &&
825 aname->build == vset->build && aname->revision == vset->revision)
828 if ((aname->major | aname->minor | aname->build | aname->revision) != 0)
829 mono_trace (G_LOG_LEVEL_WARNING, MONO_TRACE_ASSEMBLY,
830 "The request to load the assembly %s v%d.%d.%d.%d was remapped to v%d.%d.%d.%d",
832 aname->major, aname->minor, aname->build, aname->revision,
833 vset->major, vset->minor, vset->build, vset->revision
836 memcpy (dest_aname, aname, sizeof(MonoAssemblyName));
837 dest_aname->major = vset->major;
838 dest_aname->minor = vset->minor;
839 dest_aname->build = vset->build;
840 dest_aname->revision = vset->revision;
842 } else if (res < 0) {
853 * mono_assembly_get_assemblyref:
855 * Fill out ANAME with the assembly name of the INDEXth assembly reference in IMAGE.
858 mono_assembly_get_assemblyref (MonoImage *image, int index, MonoAssemblyName *aname)
861 guint32 cols [MONO_ASSEMBLYREF_SIZE];
864 t = &image->tables [MONO_TABLE_ASSEMBLYREF];
866 mono_metadata_decode_row (t, index, cols, MONO_ASSEMBLYREF_SIZE);
868 hash = mono_metadata_blob_heap (image, cols [MONO_ASSEMBLYREF_HASH_VALUE]);
869 aname->hash_len = mono_metadata_decode_blob_size (hash, &hash);
870 aname->hash_value = hash;
871 aname->name = mono_metadata_string_heap (image, cols [MONO_ASSEMBLYREF_NAME]);
872 aname->culture = mono_metadata_string_heap (image, cols [MONO_ASSEMBLYREF_CULTURE]);
873 aname->flags = cols [MONO_ASSEMBLYREF_FLAGS];
874 aname->major = cols [MONO_ASSEMBLYREF_MAJOR_VERSION];
875 aname->minor = cols [MONO_ASSEMBLYREF_MINOR_VERSION];
876 aname->build = cols [MONO_ASSEMBLYREF_BUILD_NUMBER];
877 aname->revision = cols [MONO_ASSEMBLYREF_REV_NUMBER];
879 if (cols [MONO_ASSEMBLYREF_PUBLIC_KEY]) {
880 gchar *token = assemblyref_public_tok (image, cols [MONO_ASSEMBLYREF_PUBLIC_KEY], aname->flags);
881 g_strlcpy ((char*)aname->public_key_token, token, MONO_PUBLIC_KEY_TOKEN_LENGTH);
884 memset (aname->public_key_token, 0, MONO_PUBLIC_KEY_TOKEN_LENGTH);
889 mono_assembly_load_reference (MonoImage *image, int index)
891 MonoAssembly *reference;
892 MonoAssemblyName aname;
893 MonoImageOpenStatus status;
896 * image->references is shared between threads, so we need to access
897 * it inside a critical section.
899 mono_assemblies_lock ();
900 if (!image->references) {
901 MonoTableInfo *t = &image->tables [MONO_TABLE_ASSEMBLYREF];
903 image->references = g_new0 (MonoAssembly *, t->rows + 1);
905 reference = image->references [index];
906 mono_assemblies_unlock ();
910 mono_assembly_get_assemblyref (image, index, &aname);
912 if (image->assembly && image->assembly->ref_only) {
913 /* We use the loaded corlib */
914 if (!strcmp (aname.name, "mscorlib"))
915 reference = mono_assembly_load_full (&aname, image->assembly->basedir, &status, FALSE);
917 reference = mono_assembly_loaded_full (&aname, TRUE);
919 /* Try a postload search hook */
920 reference = mono_assembly_invoke_search_hook_internal (&aname, TRUE, TRUE);
924 * Here we must advice that the error was due to
925 * a non loaded reference using the ReflectionOnly api
928 reference = REFERENCE_MISSING;
930 reference = mono_assembly_load (&aname, image->assembly? image->assembly->basedir: NULL, &status);
932 if (reference == NULL){
935 if (status == MONO_IMAGE_ERROR_ERRNO && errno == ENOENT) {
936 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 : "" );
937 } else if (status == MONO_IMAGE_ERROR_ERRNO) {
938 extra_msg = g_strdup_printf ("System error: %s\n", strerror (errno));
939 } else if (status == MONO_IMAGE_MISSING_ASSEMBLYREF) {
940 extra_msg = g_strdup ("Cannot find an assembly referenced from this one.\n");
941 } else if (status == MONO_IMAGE_IMAGE_INVALID) {
942 extra_msg = g_strdup ("The file exists but is not a valid assembly.\n");
944 extra_msg = g_strdup ("");
947 mono_trace (G_LOG_LEVEL_WARNING, MONO_TRACE_ASSEMBLY, "The following assembly referenced from %s could not be loaded:\n"
948 " Assembly: %s (assemblyref_index=%d)\n"
949 " Version: %d.%d.%d.%d\n"
950 " Public Key: %s\n%s",
951 image->name, aname.name, index,
952 aname.major, aname.minor, aname.build, aname.revision,
953 strlen ((char*)aname.public_key_token) == 0 ? "(none)" : (char*)aname.public_key_token, extra_msg);
957 mono_assemblies_lock ();
958 if (reference == NULL) {
959 /* Flag as not found */
960 reference = REFERENCE_MISSING;
963 if (!image->references [index]) {
964 if (reference != REFERENCE_MISSING){
965 mono_assembly_addref (reference);
967 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_ASSEMBLY, "Assembly Ref addref %s %p -> %s %p: %d",
968 image->assembly->aname.name, image->assembly, reference->aname.name, reference, reference->ref_count);
971 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_ASSEMBLY, "Failed to load assembly %s %p\n",
972 image->assembly->aname.name, image->assembly);
975 image->references [index] = reference;
977 mono_assemblies_unlock ();
979 if (image->references [index] != reference) {
980 /* Somebody loaded it before us */
981 mono_assembly_close (reference);
986 mono_assembly_load_references (MonoImage *image, MonoImageOpenStatus *status)
988 /* This is a no-op now but it is part of the embedding API so we can't remove it */
989 *status = MONO_IMAGE_OK;
992 typedef struct AssemblyLoadHook AssemblyLoadHook;
993 struct AssemblyLoadHook {
994 AssemblyLoadHook *next;
995 MonoAssemblyLoadFunc func;
999 AssemblyLoadHook *assembly_load_hook = NULL;
1002 mono_assembly_invoke_load_hook (MonoAssembly *ass)
1004 AssemblyLoadHook *hook;
1006 for (hook = assembly_load_hook; hook; hook = hook->next) {
1007 hook->func (ass, hook->user_data);
1012 mono_install_assembly_load_hook (MonoAssemblyLoadFunc func, gpointer user_data)
1014 AssemblyLoadHook *hook;
1016 g_return_if_fail (func != NULL);
1018 hook = g_new0 (AssemblyLoadHook, 1);
1020 hook->user_data = user_data;
1021 hook->next = assembly_load_hook;
1022 assembly_load_hook = hook;
1026 free_assembly_load_hooks (void)
1028 AssemblyLoadHook *hook, *next;
1030 for (hook = assembly_load_hook; hook; hook = next) {
1036 typedef struct AssemblySearchHook AssemblySearchHook;
1037 struct AssemblySearchHook {
1038 AssemblySearchHook *next;
1039 MonoAssemblySearchFunc func;
1045 AssemblySearchHook *assembly_search_hook = NULL;
1047 static MonoAssembly*
1048 mono_assembly_invoke_search_hook_internal (MonoAssemblyName *aname, gboolean refonly, gboolean postload)
1050 AssemblySearchHook *hook;
1052 for (hook = assembly_search_hook; hook; hook = hook->next) {
1053 if ((hook->refonly == refonly) && (hook->postload == postload)) {
1054 MonoAssembly *ass = hook->func (aname, hook->user_data);
1064 mono_assembly_invoke_search_hook (MonoAssemblyName *aname)
1066 return mono_assembly_invoke_search_hook_internal (aname, FALSE, FALSE);
1070 mono_install_assembly_search_hook_internal (MonoAssemblySearchFunc func, gpointer user_data, gboolean refonly, gboolean postload)
1072 AssemblySearchHook *hook;
1074 g_return_if_fail (func != NULL);
1076 hook = g_new0 (AssemblySearchHook, 1);
1078 hook->user_data = user_data;
1079 hook->refonly = refonly;
1080 hook->postload = postload;
1081 hook->next = assembly_search_hook;
1082 assembly_search_hook = hook;
1086 mono_install_assembly_search_hook (MonoAssemblySearchFunc func, gpointer user_data)
1088 mono_install_assembly_search_hook_internal (func, user_data, FALSE, FALSE);
1092 free_assembly_search_hooks (void)
1094 AssemblySearchHook *hook, *next;
1096 for (hook = assembly_search_hook; hook; hook = next) {
1103 mono_install_assembly_refonly_search_hook (MonoAssemblySearchFunc func, gpointer user_data)
1105 mono_install_assembly_search_hook_internal (func, user_data, TRUE, FALSE);
1109 mono_install_assembly_postload_search_hook (MonoAssemblySearchFunc func, gpointer user_data)
1111 mono_install_assembly_search_hook_internal (func, user_data, FALSE, TRUE);
1115 mono_install_assembly_postload_refonly_search_hook (MonoAssemblySearchFunc func, gpointer user_data)
1117 mono_install_assembly_search_hook_internal (func, user_data, TRUE, TRUE);
1120 typedef struct AssemblyPreLoadHook AssemblyPreLoadHook;
1121 struct AssemblyPreLoadHook {
1122 AssemblyPreLoadHook *next;
1123 MonoAssemblyPreLoadFunc func;
1127 static AssemblyPreLoadHook *assembly_preload_hook = NULL;
1128 static AssemblyPreLoadHook *assembly_refonly_preload_hook = NULL;
1130 static MonoAssembly *
1131 invoke_assembly_preload_hook (MonoAssemblyName *aname, gchar **assemblies_path)
1133 AssemblyPreLoadHook *hook;
1134 MonoAssembly *assembly;
1136 for (hook = assembly_preload_hook; hook; hook = hook->next) {
1137 assembly = hook->func (aname, assemblies_path, hook->user_data);
1138 if (assembly != NULL)
1145 static MonoAssembly *
1146 invoke_assembly_refonly_preload_hook (MonoAssemblyName *aname, gchar **assemblies_path)
1148 AssemblyPreLoadHook *hook;
1149 MonoAssembly *assembly;
1151 for (hook = assembly_refonly_preload_hook; hook; hook = hook->next) {
1152 assembly = hook->func (aname, assemblies_path, hook->user_data);
1153 if (assembly != NULL)
1161 mono_install_assembly_preload_hook (MonoAssemblyPreLoadFunc func, gpointer user_data)
1163 AssemblyPreLoadHook *hook;
1165 g_return_if_fail (func != NULL);
1167 hook = g_new0 (AssemblyPreLoadHook, 1);
1169 hook->user_data = user_data;
1170 hook->next = assembly_preload_hook;
1171 assembly_preload_hook = hook;
1175 mono_install_assembly_refonly_preload_hook (MonoAssemblyPreLoadFunc func, gpointer user_data)
1177 AssemblyPreLoadHook *hook;
1179 g_return_if_fail (func != NULL);
1181 hook = g_new0 (AssemblyPreLoadHook, 1);
1183 hook->user_data = user_data;
1184 hook->next = assembly_refonly_preload_hook;
1185 assembly_refonly_preload_hook = hook;
1189 free_assembly_preload_hooks (void)
1191 AssemblyPreLoadHook *hook, *next;
1193 for (hook = assembly_preload_hook; hook; hook = next) {
1198 for (hook = assembly_refonly_preload_hook; hook; hook = next) {
1205 absolute_dir (const gchar *filename)
1216 if (g_path_is_absolute (filename)) {
1217 part = g_path_get_dirname (filename);
1218 res = g_strconcat (part, G_DIR_SEPARATOR_S, NULL);
1223 cwd = g_get_current_dir ();
1224 mixed = g_build_filename (cwd, filename, NULL);
1225 parts = g_strsplit (mixed, G_DIR_SEPARATOR_S, 0);
1230 for (i = 0; (part = parts [i]) != NULL; i++) {
1231 if (!strcmp (part, "."))
1234 if (!strcmp (part, "..")) {
1235 if (list && list->next) /* Don't remove root */
1236 list = g_list_delete_link (list, list);
1238 list = g_list_prepend (list, part);
1242 result = g_string_new ("");
1243 list = g_list_reverse (list);
1245 /* Ignores last data pointer, which should be the filename */
1246 for (tmp = list; tmp && tmp->next != NULL; tmp = tmp->next){
1248 g_string_append_printf (result, "%s%c", (char *) tmp->data,
1253 g_string_free (result, FALSE);
1258 return g_strdup (".");
1265 * mono_assembly_open_from_bundle:
1266 * @filename: Filename requested
1267 * @status: return value
1269 * This routine tries to open the assembly specified by `filename' from the
1270 * defined bundles, if found, returns the MonoImage for it, if not found
1274 mono_assembly_open_from_bundle (const char *filename, MonoImageOpenStatus *status, gboolean refonly)
1278 MonoImage *image = NULL;
1281 * we do a very simple search for bundled assemblies: it's not a general
1282 * purpose assembly loading mechanism.
1288 name = g_path_get_basename (filename);
1290 mono_assemblies_lock ();
1291 for (i = 0; !image && bundles [i]; ++i) {
1292 if (strcmp (bundles [i]->name, name) == 0) {
1293 image = mono_image_open_from_data_with_name ((char*)bundles [i]->data, bundles [i]->size, FALSE, status, refonly, name);
1297 mono_assemblies_unlock ();
1300 mono_image_addref (image);
1307 mono_assembly_open_full (const char *filename, MonoImageOpenStatus *status, gboolean refonly)
1311 MonoImageOpenStatus def_status;
1315 g_return_val_if_fail (filename != NULL, NULL);
1318 status = &def_status;
1319 *status = MONO_IMAGE_OK;
1321 if (strncmp (filename, "file://", 7) == 0) {
1322 GError *error = NULL;
1323 gchar *uri = (gchar *) filename;
1327 * MS allows file://c:/... and fails on file://localhost/c:/...
1328 * They also throw an IndexOutOfRangeException if "file://"
1331 uri = g_strdup_printf ("file:///%s", uri + 7);
1334 uri = mono_escape_uri_string (tmpuri);
1335 fname = g_filename_from_uri (uri, NULL, &error);
1338 if (tmpuri != filename)
1341 if (error != NULL) {
1342 g_warning ("%s\n", error->message);
1343 g_error_free (error);
1344 fname = g_strdup (filename);
1347 fname = g_strdup (filename);
1350 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_ASSEMBLY,
1351 "Assembly Loader probing location: '%s'.", fname);
1354 if (!mono_assembly_is_in_gac (fname))
1355 new_fname = mono_make_shadow_copy (fname);
1356 if (new_fname && new_fname != fname) {
1359 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_ASSEMBLY,
1360 "Assembly Loader shadow-copied assembly to: '%s'.", fname);
1365 if (bundles != NULL)
1366 image = mono_assembly_open_from_bundle (fname, status, refonly);
1369 image = mono_image_open_full (fname, status, refonly);
1372 if (*status == MONO_IMAGE_OK)
1373 *status = MONO_IMAGE_ERROR_ERRNO;
1378 if (image->assembly) {
1379 /* Already loaded by another appdomain */
1380 mono_assembly_invoke_load_hook (image->assembly);
1381 mono_image_close (image);
1383 return image->assembly;
1386 ass = mono_assembly_load_from_full (image, fname, status, refonly);
1389 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_ASSEMBLY,
1390 "Assembly Loader loaded assembly from location: '%s'.", filename);
1392 mono_config_for_assembly (ass->image);
1395 /* Clear the reference added by mono_image_open */
1396 mono_image_close (image);
1404 free_item (gpointer val, gpointer user_data)
1410 * mono_assembly_load_friends:
1413 * Load the list of friend assemblies that are allowed to access
1414 * the assembly's internal types and members. They are stored as assembly
1415 * names in custom attributes.
1417 * This is an internal method, we need this because when we load mscorlib
1418 * we do not have the mono_defaults.internals_visible_class loaded yet,
1419 * so we need to load these after we initialize the runtime.
1421 * LOCKING: Acquires the assemblies lock plus the loader lock.
1424 mono_assembly_load_friends (MonoAssembly* ass)
1427 MonoCustomAttrInfo* attrs;
1430 if (ass->friend_assembly_names_inited)
1433 attrs = mono_custom_attrs_from_assembly (ass);
1435 mono_assemblies_lock ();
1436 ass->friend_assembly_names_inited = TRUE;
1437 mono_assemblies_unlock ();
1441 mono_assemblies_lock ();
1442 if (ass->friend_assembly_names_inited) {
1443 mono_assemblies_unlock ();
1446 mono_assemblies_unlock ();
1450 * We build the list outside the assemblies lock, the worse that can happen
1451 * is that we'll need to free the allocated list.
1453 for (i = 0; i < attrs->num_attrs; ++i) {
1454 MonoCustomAttrEntry *attr = &attrs->attrs [i];
1455 MonoAssemblyName *aname;
1458 /* Do some sanity checking */
1459 if (!attr->ctor || attr->ctor->klass != mono_defaults.internals_visible_class)
1461 if (attr->data_size < 4)
1463 data = (const char*)attr->data;
1464 /* 0xFF means null string, see custom attr format */
1465 if (data [0] != 1 || data [1] != 0 || (data [2] & 0xFF) == 0xFF)
1467 slen = mono_metadata_decode_value (data + 2, &data);
1468 aname = g_new0 (MonoAssemblyName, 1);
1469 /*g_print ("friend ass: %s\n", data);*/
1470 if (mono_assembly_name_parse_full (data, aname, TRUE, NULL, NULL)) {
1471 list = g_slist_prepend (list, aname);
1476 mono_custom_attrs_free (attrs);
1478 mono_assemblies_lock ();
1479 if (ass->friend_assembly_names_inited) {
1480 mono_assemblies_unlock ();
1481 g_slist_foreach (list, free_item, NULL);
1482 g_slist_free (list);
1485 ass->friend_assembly_names = list;
1487 /* Because of the double checked locking pattern above */
1488 mono_memory_barrier ();
1489 ass->friend_assembly_names_inited = TRUE;
1490 mono_assemblies_unlock ();
1494 * mono_assembly_open:
1495 * @filename: Opens the assembly pointed out by this name
1496 * @status: where a status code can be returned
1498 * mono_assembly_open opens the PE-image pointed by @filename, and
1499 * loads any external assemblies referenced by it.
1501 * Return: a pointer to the MonoAssembly if @filename contains a valid
1502 * assembly or NULL on error. Details about the error are stored in the
1506 mono_assembly_open (const char *filename, MonoImageOpenStatus *status)
1508 return mono_assembly_open_full (filename, status, FALSE);
1512 mono_assembly_load_from_full (MonoImage *image, const char*fname,
1513 MonoImageOpenStatus *status, gboolean refonly)
1515 MonoAssembly *ass, *ass2;
1518 if (!image->tables [MONO_TABLE_ASSEMBLY].rows) {
1519 /* 'image' doesn't have a manifest -- maybe someone is trying to Assembly.Load a .netmodule */
1520 *status = MONO_IMAGE_IMAGE_INVALID;
1524 #if defined (HOST_WIN32)
1529 tmp_fn = g_strdup (fname);
1530 for (i = strlen (tmp_fn) - 1; i >= 0; i--) {
1531 if (tmp_fn [i] == '/')
1535 base_dir = absolute_dir (tmp_fn);
1539 base_dir = absolute_dir (fname);
1543 * Create assembly struct, and enter it into the assembly cache
1545 ass = g_new0 (MonoAssembly, 1);
1546 ass->basedir = base_dir;
1547 ass->ref_only = refonly;
1550 mono_profiler_assembly_event (ass, MONO_PROFILE_START_LOAD);
1552 mono_assembly_fill_assembly_name (image, &ass->aname);
1554 if (mono_defaults.corlib && strcmp (ass->aname.name, "mscorlib") == 0) {
1555 // MS.NET doesn't support loading other mscorlibs
1558 mono_image_addref (mono_defaults.corlib);
1559 *status = MONO_IMAGE_OK;
1560 return mono_defaults.corlib->assembly;
1563 /* Add a non-temporary reference because of ass->image */
1564 mono_image_addref (image);
1566 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);
1569 * The load hooks might take locks so we can't call them while holding the
1572 if (ass->aname.name) {
1573 ass2 = mono_assembly_invoke_search_hook_internal (&ass->aname, refonly, FALSE);
1577 mono_image_close (image);
1578 *status = MONO_IMAGE_OK;
1583 mono_assemblies_lock ();
1585 if (image->assembly) {
1587 * This means another thread has already loaded the assembly, but not yet
1588 * called the load hooks so the search hook can't find the assembly.
1590 mono_assemblies_unlock ();
1591 ass2 = image->assembly;
1594 mono_image_close (image);
1595 *status = MONO_IMAGE_OK;
1599 image->assembly = ass;
1601 loaded_assemblies = g_list_prepend (loaded_assemblies, ass);
1602 mono_assemblies_unlock ();
1605 if (image->is_module_handle)
1606 mono_image_fixup_vtable (image);
1609 mono_assembly_invoke_load_hook (ass);
1611 mono_profiler_assembly_loaded (ass, MONO_PROFILE_OK);
1617 mono_assembly_load_from (MonoImage *image, const char *fname,
1618 MonoImageOpenStatus *status)
1620 return mono_assembly_load_from_full (image, fname, status, FALSE);
1624 * mono_assembly_name_free:
1625 * @aname: assembly name to free
1627 * Frees the provided assembly name object.
1628 * (it does not frees the object itself, only the name members).
1631 mono_assembly_name_free (MonoAssemblyName *aname)
1636 g_free ((void *) aname->name);
1637 g_free ((void *) aname->culture);
1638 g_free ((void *) aname->hash_value);
1642 parse_public_key (const gchar *key, gchar** pubkey)
1645 gchar header [16], val, *arr;
1646 gint i, j, offset, bitlen, keylen, pkeylen;
1648 keylen = strlen (key) >> 1;
1652 val = g_ascii_xdigit_value (key [0]) << 4;
1653 val |= g_ascii_xdigit_value (key [1]);
1658 val = g_ascii_xdigit_value (key [24]);
1659 val |= g_ascii_xdigit_value (key [25]);
1671 /* We need the first 16 bytes
1672 * to check whether this key is valid or not */
1673 pkeylen = strlen (pkey) >> 1;
1677 for (i = 0, j = 0; i < 16; i++) {
1678 header [i] = g_ascii_xdigit_value (pkey [j++]) << 4;
1679 header [i] |= g_ascii_xdigit_value (pkey [j++]);
1682 if (header [0] != 0x06 || /* PUBLICKEYBLOB (0x06) */
1683 header [1] != 0x02 || /* Version (0x02) */
1684 header [2] != 0x00 || /* Reserved (word) */
1685 header [3] != 0x00 ||
1686 (guint)(read32 (header + 8)) != 0x31415352) /* DWORD magic = RSA1 */
1689 /* Based on this length, we _should_ be able to know if the length is right */
1690 bitlen = read32 (header + 12) >> 3;
1691 if ((bitlen + 16 + 4) != pkeylen)
1694 /* parsing is OK and the public key itself is not requested back */
1698 /* Encode the size of the blob */
1700 if (keylen <= 127) {
1701 arr = g_malloc (keylen + 1);
1702 arr [offset++] = keylen;
1704 arr = g_malloc (keylen + 2);
1705 arr [offset++] = 0x80; /* 10bs */
1706 arr [offset++] = keylen;
1709 for (i = offset, j = 0; i < keylen + offset; i++) {
1710 arr [i] = g_ascii_xdigit_value (key [j++]) << 4;
1711 arr [i] |= g_ascii_xdigit_value (key [j++]);
1720 build_assembly_name (const char *name, const char *version, const char *culture, const char *token, const char *key, guint32 flags, MonoAssemblyName *aname, gboolean save_public_key)
1722 gint major, minor, build, revision;
1725 gchar *pkey, *pkeyptr, *encoded, tok [8];
1727 memset (aname, 0, sizeof (MonoAssemblyName));
1730 version_parts = sscanf (version, "%u.%u.%u.%u", &major, &minor, &build, &revision);
1731 if (version_parts < 2 || version_parts > 4)
1734 /* FIXME: we should set build & revision to -1 (instead of 0)
1735 if these are not set in the version string. That way, later on,
1736 we can still determine if these were specified. */
1737 aname->major = major;
1738 aname->minor = minor;
1739 if (version_parts >= 3)
1740 aname->build = build;
1743 if (version_parts == 4)
1744 aname->revision = revision;
1746 aname->revision = 0;
1749 aname->flags = flags;
1750 aname->name = g_strdup (name);
1753 if (g_ascii_strcasecmp (culture, "neutral") == 0)
1754 aname->culture = g_strdup ("");
1756 aname->culture = g_strdup (culture);
1759 if (token && strncmp (token, "null", 4) != 0) {
1762 /* the constant includes the ending NULL, hence the -1 */
1763 if (strlen (token) != (MONO_PUBLIC_KEY_TOKEN_LENGTH - 1)) {
1764 mono_assembly_name_free (aname);
1767 lower = g_ascii_strdown (token, MONO_PUBLIC_KEY_TOKEN_LENGTH);
1768 g_strlcpy ((char*)aname->public_key_token, lower, MONO_PUBLIC_KEY_TOKEN_LENGTH);
1773 if (strcmp (key, "null") == 0 || !parse_public_key (key, &pkey)) {
1774 mono_assembly_name_free (aname);
1778 len = mono_metadata_decode_blob_size ((const gchar *) pkey, (const gchar **) &pkeyptr);
1779 // We also need to generate the key token
1780 mono_digest_get_public_token ((guchar*) tok, (guint8*) pkeyptr, len);
1781 encoded = encode_public_tok ((guchar*) tok, 8);
1782 g_strlcpy ((gchar*)aname->public_key_token, encoded, MONO_PUBLIC_KEY_TOKEN_LENGTH);
1785 if (save_public_key)
1786 aname->public_key = (guint8*) pkey;
1795 parse_assembly_directory_name (const char *name, const char *dirname, MonoAssemblyName *aname)
1800 parts = g_strsplit (dirname, "_", 3);
1801 if (!parts || !parts[0] || !parts[1] || !parts[2]) {
1806 res = build_assembly_name (name, parts[0], parts[1], parts[2], NULL, 0, aname, FALSE);
1812 mono_assembly_name_parse_full (const char *name, MonoAssemblyName *aname, gboolean save_public_key, gboolean *is_version_defined, gboolean *is_token_defined)
1815 gchar *version = NULL;
1816 gchar *culture = NULL;
1817 gchar *token = NULL;
1819 gchar *retargetable = NULL;
1824 gboolean version_defined;
1825 gboolean token_defined;
1828 if (!is_version_defined)
1829 is_version_defined = &version_defined;
1830 *is_version_defined = FALSE;
1831 if (!is_token_defined)
1832 is_token_defined = &token_defined;
1833 *is_token_defined = FALSE;
1835 parts = tmp = g_strsplit (name, ",", 6);
1836 if (!tmp || !*tmp) {
1841 dllname = g_strstrip (*tmp);
1846 value = g_strstrip (*tmp);
1847 if (!g_ascii_strncasecmp (value, "Version=", 8)) {
1848 *is_version_defined = TRUE;
1849 version = g_strstrip (value + 8);
1850 if (strlen (version) == 0) {
1851 goto cleanup_and_fail;
1857 if (!g_ascii_strncasecmp (value, "Culture=", 8)) {
1858 culture = g_strstrip (value + 8);
1859 if (strlen (culture) == 0) {
1860 goto cleanup_and_fail;
1866 if (!g_ascii_strncasecmp (value, "PublicKeyToken=", 15)) {
1867 *is_token_defined = TRUE;
1868 token = g_strstrip (value + 15);
1869 if (strlen (token) == 0) {
1870 goto cleanup_and_fail;
1876 if (!g_ascii_strncasecmp (value, "PublicKey=", 10)) {
1877 key = g_strstrip (value + 10);
1878 if (strlen (key) == 0) {
1879 goto cleanup_and_fail;
1885 if (!g_ascii_strncasecmp (value, "Retargetable=", 13)) {
1886 retargetable = g_strstrip (value + 13);
1887 if (strlen (retargetable) == 0) {
1888 goto cleanup_and_fail;
1890 if (!g_ascii_strcasecmp (retargetable, "yes")) {
1891 flags |= ASSEMBLYREF_RETARGETABLE_FLAG;
1892 } else if (g_ascii_strcasecmp (retargetable, "no")) {
1893 goto cleanup_and_fail;
1899 if (!g_ascii_strncasecmp (value, "ProcessorArchitecture=", 22)) {
1900 /* this is ignored for now, until we can change MonoAssemblyName */
1909 /* if retargetable flag is set, then we must have a fully qualified name */
1910 if (retargetable != NULL && (version == NULL || culture == NULL || (key == NULL && token == NULL))) {
1911 goto cleanup_and_fail;
1914 res = build_assembly_name (dllname, version, culture, token, key, flags,
1915 aname, save_public_key);
1925 * mono_assembly_name_parse:
1926 * @name: name to parse
1927 * @aname: the destination assembly name
1929 * Parses an assembly qualified type name and assigns the name,
1930 * version, culture and token to the provided assembly name object.
1932 * Returns: true if the name could be parsed.
1935 mono_assembly_name_parse (const char *name, MonoAssemblyName *aname)
1937 return mono_assembly_name_parse_full (name, aname, FALSE, NULL, NULL);
1941 * mono_assembly_name_new:
1942 * @name: name to parse
1944 * Allocate a new MonoAssemblyName and fill its values from the
1947 * Returns: a newly allocated structure or NULL if there was any failure.
1950 mono_assembly_name_new (const char *name)
1952 MonoAssemblyName *aname = g_new0 (MonoAssemblyName, 1);
1953 if (mono_assembly_name_parse (name, aname))
1960 mono_assembly_name_get_name (MonoAssemblyName *aname)
1966 mono_assembly_name_get_culture (MonoAssemblyName *aname)
1968 return aname->culture;
1972 mono_assembly_name_get_pubkeytoken (MonoAssemblyName *aname)
1974 if (aname->public_key_token [0])
1975 return aname->public_key_token;
1980 mono_assembly_name_get_version (MonoAssemblyName *aname, uint16_t *minor, uint16_t *build, uint16_t *revision)
1983 *minor = aname->minor;
1985 *build = aname->build;
1987 *revision = aname->revision;
1988 return aname->major;
1991 static MonoAssembly*
1992 probe_for_partial_name (const char *basepath, const char *fullname, MonoAssemblyName *aname, MonoImageOpenStatus *status)
1994 gchar *fullpath = NULL;
1996 const char* direntry;
1997 MonoAssemblyName gac_aname;
1998 gint major=-1, minor=0, build=0, revision=0;
1999 gboolean exact_version;
2001 dirhandle = g_dir_open (basepath, 0, NULL);
2005 exact_version = (aname->major | aname->minor | aname->build | aname->revision) != 0;
2007 while ((direntry = g_dir_read_name (dirhandle))) {
2008 gboolean match = TRUE;
2010 if(!parse_assembly_directory_name (aname->name, direntry, &gac_aname))
2013 if (aname->culture != NULL && strcmp (aname->culture, gac_aname.culture) != 0)
2016 if (match && strlen ((char*)aname->public_key_token) > 0 &&
2017 !mono_public_tokens_are_equal (aname->public_key_token, gac_aname.public_key_token))
2021 if (exact_version) {
2022 match = (aname->major == gac_aname.major && aname->minor == gac_aname.minor &&
2023 aname->build == gac_aname.build && aname->revision == gac_aname.revision);
2025 else if (gac_aname.major < major)
2027 else if (gac_aname.major == major) {
2028 if (gac_aname.minor < minor)
2030 else if (gac_aname.minor == minor) {
2031 if (gac_aname.build < build)
2033 else if (gac_aname.build == build && gac_aname.revision <= revision)
2040 major = gac_aname.major;
2041 minor = gac_aname.minor;
2042 build = gac_aname.build;
2043 revision = gac_aname.revision;
2045 fullpath = g_build_path (G_DIR_SEPARATOR_S, basepath, direntry, fullname, NULL);
2048 mono_assembly_name_free (&gac_aname);
2051 g_dir_close (dirhandle);
2053 if (fullpath == NULL)
2056 MonoAssembly *res = mono_assembly_open (fullpath, status);
2063 mono_assembly_load_with_partial_name (const char *name, MonoImageOpenStatus *status)
2066 MonoAssemblyName *aname, base_name;
2067 #ifndef DISABLE_ASSEMBLY_REMAPPING
2068 MonoAssemblyName maped_aname;
2070 gchar *fullname, *gacpath;
2073 memset (&base_name, 0, sizeof (MonoAssemblyName));
2076 if (!mono_assembly_name_parse (name, aname))
2079 #ifndef DISABLE_ASSEMBLY_REMAPPING
2081 * If no specific version has been requested, make sure we load the
2082 * correct version for system assemblies.
2084 if ((aname->major | aname->minor | aname->build | aname->revision) == 0)
2085 aname = mono_assembly_remap_version (aname, &maped_aname);
2088 res = mono_assembly_loaded (aname);
2090 mono_assembly_name_free (aname);
2094 res = invoke_assembly_preload_hook (aname, assemblies_path);
2096 res->in_gac = FALSE;
2097 mono_assembly_name_free (aname);
2101 fullname = g_strdup_printf ("%s.dll", aname->name);
2103 if (extra_gac_paths) {
2104 paths = extra_gac_paths;
2105 while (!res && *paths) {
2106 gacpath = g_build_path (G_DIR_SEPARATOR_S, *paths, "lib", "mono", "gac", aname->name, NULL);
2107 res = probe_for_partial_name (gacpath, fullname, aname, status);
2116 mono_assembly_name_free (aname);
2120 gacpath = g_build_path (G_DIR_SEPARATOR_S, mono_assembly_getrootdir (), "mono", "gac", aname->name, NULL);
2121 res = probe_for_partial_name (gacpath, fullname, aname, status);
2127 MonoDomain *domain = mono_domain_get ();
2128 MonoReflectionAssembly *refasm = mono_try_assembly_resolve (domain, mono_string_new (domain, name), FALSE);
2130 res = refasm->assembly;
2134 mono_assembly_name_free (aname);
2140 mono_assembly_is_in_gac (const gchar *filename)
2142 const gchar *rootdir;
2146 if (filename == NULL)
2149 for (paths = extra_gac_paths; paths && *paths; paths++) {
2150 if (strstr (*paths, filename) != *paths)
2153 gp = (gchar *) (filename + strlen (*paths));
2154 if (*gp != G_DIR_SEPARATOR)
2157 if (strncmp (gp, "lib", 3))
2160 if (*gp != G_DIR_SEPARATOR)
2163 if (strncmp (gp, "mono", 4))
2166 if (*gp != G_DIR_SEPARATOR)
2169 if (strncmp (gp, "gac", 3))
2172 if (*gp != G_DIR_SEPARATOR)
2178 rootdir = mono_assembly_getrootdir ();
2179 if (strstr (filename, rootdir) != filename)
2182 gp = (gchar *) (filename + strlen (rootdir));
2183 if (*gp != G_DIR_SEPARATOR)
2186 if (strncmp (gp, "mono", 4))
2189 if (*gp != G_DIR_SEPARATOR)
2192 if (strncmp (gp, "gac", 3))
2195 if (*gp != G_DIR_SEPARATOR)
2201 mono_assembly_load_publisher_policy (MonoAssemblyName *aname)
2204 gchar *filename, *pname, *name, *culture, *version, *fullpath, *subpath;
2208 if (strstr (aname->name, ".dll")) {
2209 len = strlen (aname->name) - 4;
2210 name = g_malloc (len);
2211 strncpy (name, aname->name, len);
2213 name = g_strdup (aname->name);
2216 culture = g_utf8_strdown (aname->culture, -1);
2218 culture = g_strdup ("");
2220 pname = g_strdup_printf ("policy.%d.%d.%s", aname->major, aname->minor, name);
2221 version = g_strdup_printf ("0.0.0.0_%s_%s", culture, aname->public_key_token);
2225 filename = g_strconcat (pname, ".dll", NULL);
2226 subpath = g_build_path (G_DIR_SEPARATOR_S, pname, version, filename, NULL);
2232 if (extra_gac_paths) {
2233 paths = extra_gac_paths;
2234 while (!image && *paths) {
2235 fullpath = g_build_path (G_DIR_SEPARATOR_S, *paths,
2236 "lib", "mono", "gac", subpath, NULL);
2237 image = mono_image_open (fullpath, NULL);
2248 fullpath = g_build_path (G_DIR_SEPARATOR_S, mono_assembly_getrootdir (),
2249 "mono", "gac", subpath, NULL);
2250 image = mono_image_open (fullpath, NULL);
2257 static MonoAssemblyName*
2258 mono_assembly_bind_version (MonoAssemblyBindingInfo *info, MonoAssemblyName *aname, MonoAssemblyName *dest_name)
2260 memcpy (dest_name, aname, sizeof (MonoAssemblyName));
2261 dest_name->major = info->new_version.major;
2262 dest_name->minor = info->new_version.minor;
2263 dest_name->build = info->new_version.build;
2264 dest_name->revision = info->new_version.revision;
2269 /* LOCKING: Assumes that we are already locked */
2270 static MonoAssemblyBindingInfo*
2271 search_binding_loaded (MonoAssemblyName *aname)
2275 for (tmp = loaded_assembly_bindings; tmp; tmp = tmp->next) {
2276 MonoAssemblyBindingInfo *info = tmp->data;
2277 if (assembly_binding_maps_name (info, aname))
2284 static inline gboolean
2285 info_compare_versions (AssemblyVersionSet *left, AssemblyVersionSet *right)
2287 if (left->major != right->major || left->minor != right->minor ||
2288 left->build != right->build || left->revision != right->revision)
2294 static inline gboolean
2295 info_versions_equal (MonoAssemblyBindingInfo *left, MonoAssemblyBindingInfo *right)
2297 if (left->has_old_version_bottom != right->has_old_version_bottom)
2300 if (left->has_old_version_top != right->has_old_version_top)
2303 if (left->has_new_version != right->has_new_version)
2306 if (left->has_old_version_bottom && !info_compare_versions (&left->old_version_bottom, &right->old_version_bottom))
2309 if (left->has_old_version_top && !info_compare_versions (&left->old_version_top, &right->old_version_top))
2312 if (left->has_new_version && !info_compare_versions (&left->new_version, &right->new_version))
2318 /* LOCKING: assumes all the necessary locks are held */
2320 assembly_binding_info_parsed (MonoAssemblyBindingInfo *info, void *user_data)
2322 MonoAssemblyBindingInfo *info_copy;
2324 MonoAssemblyBindingInfo *info_tmp;
2325 MonoDomain *domain = (MonoDomain*)user_data;
2330 for (tmp = domain->assembly_bindings; tmp; tmp = tmp->next) {
2331 info_tmp = tmp->data;
2332 if (strcmp (info->name, info_tmp->name) == 0 && info_versions_equal (info, info_tmp))
2336 info_copy = mono_mempool_alloc0 (domain->mp, sizeof (MonoAssemblyBindingInfo));
2337 memcpy (info_copy, info, sizeof (MonoAssemblyBindingInfo));
2339 info_copy->name = mono_mempool_strdup (domain->mp, info->name);
2341 info_copy->culture = mono_mempool_strdup (domain->mp, info->culture);
2343 domain->assembly_bindings = g_slist_append_mempool (domain->mp, domain->assembly_bindings, info_copy);
2346 static inline gboolean
2347 info_major_minor_in_range (MonoAssemblyBindingInfo *info, MonoAssemblyName *aname)
2349 if (!info->has_old_version_bottom)
2352 if (info->old_version_bottom.major > aname->major || info->old_version_bottom.minor > aname->minor)
2355 if (info->has_old_version_top && (info->old_version_top.major < aname->major || info->old_version_top.minor < aname->minor))
2358 /* This is not the nicest way to do it, but it's a by-product of the way parsing is done */
2359 info->major = aname->major;
2360 info->minor = aname->minor;
2365 /* LOCKING: Assumes that we are already locked - both loader and domain locks */
2366 static MonoAssemblyBindingInfo*
2367 get_per_domain_assembly_binding_info (MonoDomain *domain, MonoAssemblyName *aname)
2369 MonoAssemblyBindingInfo *info;
2372 if (!domain->assembly_bindings)
2376 for (list = domain->assembly_bindings; list; list = list->next) {
2378 if (info && !strcmp (aname->name, info->name) && info_major_minor_in_range (info, aname))
2384 if (info->name && info->public_key_token [0] && info->has_old_version_bottom &&
2385 info->has_new_version && assembly_binding_maps_name (info, aname))
2386 info->is_valid = TRUE;
2388 info->is_valid = FALSE;
2394 static MonoAssemblyName*
2395 mono_assembly_apply_binding (MonoAssemblyName *aname, MonoAssemblyName *dest_name)
2397 MonoAssemblyBindingInfo *info, *info2;
2401 if (aname->public_key_token [0] == 0)
2404 domain = mono_domain_get ();
2405 mono_loader_lock ();
2406 info = search_binding_loaded (aname);
2408 mono_domain_lock (domain);
2409 info = get_per_domain_assembly_binding_info (domain, aname);
2410 mono_domain_unlock (domain);
2413 mono_loader_unlock ();
2415 if (!check_policy_versions (info, aname))
2418 mono_assembly_bind_version (info, aname, dest_name);
2422 if (domain && domain->setup && domain->setup->configuration_file) {
2423 mono_domain_lock (domain);
2424 if (!domain->assembly_bindings_parsed) {
2425 gchar *domain_config_file = mono_string_to_utf8 (domain->setup->configuration_file);
2427 mono_config_parse_assembly_bindings (domain_config_file, aname->major, aname->minor, domain, assembly_binding_info_parsed);
2428 domain->assembly_bindings_parsed = TRUE;
2429 g_free (domain_config_file);
2431 mono_domain_unlock (domain);
2433 mono_loader_lock ();
2434 mono_domain_lock (domain);
2435 info = get_per_domain_assembly_binding_info (domain, aname);
2436 mono_domain_unlock (domain);
2437 mono_loader_unlock ();
2441 info = g_new0 (MonoAssemblyBindingInfo, 1);
2442 info->major = aname->major;
2443 info->minor = aname->minor;
2446 if (!info->is_valid) {
2447 ppimage = mono_assembly_load_publisher_policy (aname);
2449 get_publisher_policy_info (ppimage, aname, info);
2450 mono_image_close (ppimage);
2454 /* Define default error value if needed */
2455 if (!info->is_valid) {
2456 info->name = g_strdup (aname->name);
2457 info->culture = g_strdup (aname->culture);
2458 g_strlcpy ((char *)info->public_key_token, (const char *)aname->public_key_token, MONO_PUBLIC_KEY_TOKEN_LENGTH);
2461 mono_loader_lock ();
2462 info2 = search_binding_loaded (aname);
2464 /* This binding was added by another thread
2466 mono_assembly_binding_info_free (info);
2471 loaded_assembly_bindings = g_slist_prepend (loaded_assembly_bindings, info);
2473 mono_loader_unlock ();
2475 if (!info->is_valid || !check_policy_versions (info, aname))
2478 mono_assembly_bind_version (info, aname, dest_name);
2483 * mono_assembly_load_from_gac
2485 * @aname: The assembly name object
2487 static MonoAssembly*
2488 mono_assembly_load_from_gac (MonoAssemblyName *aname, gchar *filename, MonoImageOpenStatus *status, MonoBoolean refonly)
2490 MonoAssembly *result = NULL;
2491 gchar *name, *version, *culture, *fullpath, *subpath;
2496 if (aname->public_key_token [0] == 0) {
2500 if (strstr (aname->name, ".dll")) {
2501 len = strlen (filename) - 4;
2502 name = g_malloc (len);
2503 strncpy (name, aname->name, len);
2505 name = g_strdup (aname->name);
2508 if (aname->culture) {
2509 culture = g_utf8_strdown (aname->culture, -1);
2511 culture = g_strdup ("");
2514 pubtok = g_ascii_strdown ((char*)aname->public_key_token, MONO_PUBLIC_KEY_TOKEN_LENGTH);
2515 version = g_strdup_printf ("%d.%d.%d.%d_%s_%s", aname->major,
2516 aname->minor, aname->build, aname->revision,
2520 subpath = g_build_path (G_DIR_SEPARATOR_S, name, version, filename, NULL);
2525 if (extra_gac_paths) {
2526 paths = extra_gac_paths;
2527 while (!result && *paths) {
2528 fullpath = g_build_path (G_DIR_SEPARATOR_S, *paths, "lib", "mono", "gac", subpath, NULL);
2529 result = mono_assembly_open_full (fullpath, status, refonly);
2536 result->in_gac = TRUE;
2541 fullpath = g_build_path (G_DIR_SEPARATOR_S, mono_assembly_getrootdir (),
2542 "mono", "gac", subpath, NULL);
2543 result = mono_assembly_open_full (fullpath, status, refonly);
2547 result->in_gac = TRUE;
2555 mono_assembly_load_corlib (const MonoRuntimeInfo *runtime, MonoImageOpenStatus *status)
2558 MonoAssemblyName *aname;
2561 /* g_print ("corlib already loaded\n"); */
2565 #if defined(__native_client__)
2566 if (corlibData != NULL && corlibSize != 0) {
2568 /* First "FALSE" instructs mono not to make a copy. */
2569 /* Second "FALSE" says this is not just a ref. */
2570 MonoImage* image = mono_image_open_from_data_full (corlibData, corlibSize, FALSE, &status, FALSE);
2571 if (image == NULL || status != 0)
2572 g_print("mono_image_open_from_data_full failed: %d\n", status);
2573 corlib = mono_assembly_load_from_full (image, "mscorlib", &status, FALSE);
2574 if (corlib == NULL || status != 0)
2575 g_print ("mono_assembly_load_from_full failed: %d\n", status);
2581 aname = mono_assembly_name_new ("mscorlib.dll");
2582 corlib = invoke_assembly_preload_hook (aname, assemblies_path);
2583 mono_assembly_name_free (aname);
2587 if (assemblies_path) {
2588 corlib = load_in_path ("mscorlib.dll", (const char**)assemblies_path, status, FALSE);
2593 /* Load corlib from mono/<version> */
2595 corlib_file = g_build_filename ("mono", runtime->framework_version, "mscorlib.dll", NULL);
2596 if (assemblies_path) {
2597 corlib = load_in_path (corlib_file, (const char**)assemblies_path, status, FALSE);
2599 g_free (corlib_file);
2603 corlib = load_in_path (corlib_file, default_path, status, FALSE);
2604 g_free (corlib_file);
2610 mono_assembly_load_full_nosearch (MonoAssemblyName *aname,
2611 const char *basedir,
2612 MonoImageOpenStatus *status,
2615 MonoAssembly *result;
2616 char *fullpath, *filename;
2617 #ifndef DISABLE_ASSEMBLY_REMAPPING
2618 MonoAssemblyName maped_aname;
2620 MonoAssemblyName maped_name_pp;
2625 #ifndef DISABLE_ASSEMBLY_REMAPPING
2626 aname = mono_assembly_remap_version (aname, &maped_aname);
2629 /* Reflection only assemblies don't get assembly binding */
2631 aname = mono_assembly_apply_binding (aname, &maped_name_pp);
2633 result = mono_assembly_loaded_full (aname, refonly);
2637 result = refonly ? invoke_assembly_refonly_preload_hook (aname, assemblies_path) : invoke_assembly_preload_hook (aname, assemblies_path);
2639 result->in_gac = FALSE;
2643 /* Currently we retrieve the loaded corlib for reflection
2644 * only requests, like a common reflection only assembly
2646 if (strcmp (aname->name, "mscorlib") == 0 || strcmp (aname->name, "mscorlib.dll") == 0) {
2647 return mono_assembly_load_corlib (mono_get_runtime_info (), status);
2650 len = strlen (aname->name);
2651 for (ext_index = 0; ext_index < 2; ext_index ++) {
2652 ext = ext_index == 0 ? ".dll" : ".exe";
2653 if (len > 4 && (!strcmp (aname->name + len - 4, ".dll") || !strcmp (aname->name + len - 4, ".exe"))) {
2654 filename = g_strdup (aname->name);
2655 /* Don't try appending .dll/.exe if it already has one of those extensions */
2658 filename = g_strconcat (aname->name, ext, NULL);
2661 result = mono_assembly_load_from_gac (aname, filename, status, refonly);
2668 fullpath = g_build_filename (basedir, filename, NULL);
2669 result = mono_assembly_open_full (fullpath, status, refonly);
2672 result->in_gac = FALSE;
2678 result = load_in_path (filename, default_path, status, refonly);
2680 result->in_gac = FALSE;
2690 * mono_assembly_load_full:
2691 * @aname: A MonoAssemblyName with the assembly name to load.
2692 * @basedir: A directory to look up the assembly at.
2693 * @status: a pointer to a MonoImageOpenStatus to return the status of the load operation
2694 * @refonly: Whether this assembly is being opened in "reflection-only" mode.
2696 * Loads the assembly referenced by @aname, if the value of @basedir is not NULL, it
2697 * attempts to load the assembly from that directory before probing the standard locations.
2699 * If the assembly is being opened in reflection-only mode (@refonly set to TRUE) then no
2700 * assembly binding takes place.
2702 * Returns: the assembly referenced by @aname loaded or NULL on error. On error the
2703 * value pointed by status is updated with an error code.
2706 mono_assembly_load_full (MonoAssemblyName *aname, const char *basedir, MonoImageOpenStatus *status, gboolean refonly)
2708 MonoAssembly *result = mono_assembly_load_full_nosearch (aname, basedir, status, refonly);
2711 /* Try a postload search hook */
2712 result = mono_assembly_invoke_search_hook_internal (aname, refonly, TRUE);
2717 * mono_assembly_load:
2718 * @aname: A MonoAssemblyName with the assembly name to load.
2719 * @basedir: A directory to look up the assembly at.
2720 * @status: a pointer to a MonoImageOpenStatus to return the status of the load operation
2722 * Loads the assembly referenced by @aname, if the value of @basedir is not NULL, it
2723 * attempts to load the assembly from that directory before probing the standard locations.
2725 * Returns: the assembly referenced by @aname loaded or NULL on error. On error the
2726 * value pointed by status is updated with an error code.
2729 mono_assembly_load (MonoAssemblyName *aname, const char *basedir, MonoImageOpenStatus *status)
2731 return mono_assembly_load_full (aname, basedir, status, FALSE);
2735 mono_assembly_loaded_full (MonoAssemblyName *aname, gboolean refonly)
2738 #ifndef DISABLE_ASSEMBLY_REMAPPING
2739 MonoAssemblyName maped_aname;
2741 aname = mono_assembly_remap_version (aname, &maped_aname);
2744 res = mono_assembly_invoke_search_hook_internal (aname, refonly, FALSE);
2750 * mono_assembly_loaded:
2751 * @aname: an assembly to look for.
2753 * Returns: NULL If the given @aname assembly has not been loaded, or a pointer to
2754 * a MonoAssembly that matches the MonoAssemblyName specified.
2757 mono_assembly_loaded (MonoAssemblyName *aname)
2759 return mono_assembly_loaded_full (aname, FALSE);
2763 * Returns whether mono_assembly_close_finish() must be called as
2764 * well. See comment for mono_image_close_except_pools() for why we
2765 * unload in two steps.
2768 mono_assembly_close_except_image_pools (MonoAssembly *assembly)
2771 g_return_val_if_fail (assembly != NULL, FALSE);
2773 if (assembly == REFERENCE_MISSING)
2776 /* Might be 0 already */
2777 if (InterlockedDecrement (&assembly->ref_count) > 0)
2780 mono_profiler_assembly_event (assembly, MONO_PROFILE_START_UNLOAD);
2782 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_ASSEMBLY, "Unloading assembly %s [%p].", assembly->aname.name, assembly);
2784 mono_debug_close_image (assembly->image);
2786 mono_assemblies_lock ();
2787 loaded_assemblies = g_list_remove (loaded_assemblies, assembly);
2788 mono_assemblies_unlock ();
2790 assembly->image->assembly = NULL;
2792 if (!mono_image_close_except_pools (assembly->image))
2793 assembly->image = NULL;
2795 for (tmp = assembly->friend_assembly_names; tmp; tmp = tmp->next) {
2796 MonoAssemblyName *fname = tmp->data;
2797 mono_assembly_name_free (fname);
2800 g_slist_free (assembly->friend_assembly_names);
2801 g_free (assembly->basedir);
2803 mono_profiler_assembly_event (assembly, MONO_PROFILE_END_UNLOAD);
2809 mono_assembly_close_finish (MonoAssembly *assembly)
2811 g_assert (assembly && assembly != REFERENCE_MISSING);
2813 if (assembly->image)
2814 mono_image_close_finish (assembly->image);
2816 if (assembly->dynamic) {
2817 g_free ((char*)assembly->aname.culture);
2824 * mono_assembly_close:
2825 * @assembly: the assembly to release.
2827 * This method releases a reference to the @assembly. The assembly is
2828 * only released when all the outstanding references to it are released.
2831 mono_assembly_close (MonoAssembly *assembly)
2833 if (mono_assembly_close_except_image_pools (assembly))
2834 mono_assembly_close_finish (assembly);
2838 mono_assembly_load_module (MonoAssembly *assembly, guint32 idx)
2840 return mono_image_load_file_for_image (assembly->image, idx);
2844 mono_assembly_foreach (GFunc func, gpointer user_data)
2849 * We make a copy of the list to avoid calling the callback inside the
2850 * lock, which could lead to deadlocks.
2852 mono_assemblies_lock ();
2853 copy = g_list_copy (loaded_assemblies);
2854 mono_assemblies_unlock ();
2856 g_list_foreach (loaded_assemblies, func, user_data);
2862 * mono_assemblies_cleanup:
2864 * Free all resources used by this module.
2867 mono_assemblies_cleanup (void)
2871 DeleteCriticalSection (&assemblies_mutex);
2873 for (l = loaded_assembly_bindings; l; l = l->next) {
2874 MonoAssemblyBindingInfo *info = l->data;
2876 mono_assembly_binding_info_free (info);
2879 g_slist_free (loaded_assembly_bindings);
2881 free_assembly_load_hooks ();
2882 free_assembly_search_hooks ();
2883 free_assembly_preload_hooks ();
2887 * Holds the assembly of the application, for
2888 * System.Diagnostics.Process::MainModule
2890 static MonoAssembly *main_assembly=NULL;
2893 mono_assembly_set_main (MonoAssembly *assembly)
2895 main_assembly = assembly;
2899 * mono_assembly_get_main:
2901 * Returns: the assembly for the application, the first assembly that is loaded by the VM
2904 mono_assembly_get_main (void)
2906 return (main_assembly);
2910 * mono_assembly_get_image:
2911 * @assembly: The assembly to retrieve the image from
2913 * Returns: the MonoImage associated with this assembly.
2916 mono_assembly_get_image (MonoAssembly *assembly)
2918 return assembly->image;
2922 mono_register_bundled_assemblies (const MonoBundledAssembly **assemblies)
2924 bundles = assemblies;
2927 #define MONO_DECLSEC_FORMAT_10 0x3C
2928 #define MONO_DECLSEC_FORMAT_20 0x2E
2929 #define MONO_DECLSEC_FIELD 0x53
2930 #define MONO_DECLSEC_PROPERTY 0x54
2932 #define SKIP_VISIBILITY_XML_ATTRIBUTE ("\"SkipVerification\"")
2933 #define SKIP_VISIBILITY_ATTRIBUTE_NAME ("System.Security.Permissions.SecurityPermissionAttribute")
2934 #define SKIP_VISIBILITY_ATTRIBUTE_SIZE (sizeof (SKIP_VISIBILITY_ATTRIBUTE_NAME) - 1)
2935 #define SKIP_VISIBILITY_PROPERTY_NAME ("SkipVerification")
2936 #define SKIP_VISIBILITY_PROPERTY_SIZE (sizeof (SKIP_VISIBILITY_PROPERTY_NAME) - 1)
2939 mono_assembly_try_decode_skip_verification_param (const char *p, const char **resp, gboolean *abort_decoding)
2943 case MONO_DECLSEC_PROPERTY:
2945 case MONO_DECLSEC_FIELD:
2947 *abort_decoding = TRUE;
2952 if (*p++ != MONO_TYPE_BOOLEAN) {
2953 *abort_decoding = TRUE;
2957 /* property name length */
2958 len = mono_metadata_decode_value (p, &p);
2960 if (len >= SKIP_VISIBILITY_PROPERTY_SIZE && !memcmp (p, SKIP_VISIBILITY_PROPERTY_NAME, SKIP_VISIBILITY_PROPERTY_SIZE)) {
2971 mono_assembly_try_decode_skip_verification (const char *p, const char *endn)
2973 int i, j, num, len, params_len;
2975 if (*p == MONO_DECLSEC_FORMAT_10) {
2976 gsize read, written;
2977 char *res = g_convert (p, endn - p, "UTF-8", "UTF-16LE", &read, &written, NULL);
2979 gboolean found = strstr (res, SKIP_VISIBILITY_XML_ATTRIBUTE) != NULL;
2985 if (*p++ != MONO_DECLSEC_FORMAT_20)
2988 /* number of encoded permission attributes */
2989 num = mono_metadata_decode_value (p, &p);
2990 for (i = 0; i < num; ++i) {
2991 gboolean is_valid = FALSE;
2992 gboolean abort_decoding = FALSE;
2994 /* attribute name length */
2995 len = mono_metadata_decode_value (p, &p);
2997 /* We don't really need to fully decode the type. Comparing the name is enough */
2998 is_valid = len >= SKIP_VISIBILITY_ATTRIBUTE_SIZE && !memcmp (p, SKIP_VISIBILITY_ATTRIBUTE_NAME, SKIP_VISIBILITY_ATTRIBUTE_SIZE);
3002 /*size of the params table*/
3003 params_len = mono_metadata_decode_value (p, &p);
3005 const char *params_end = p + params_len;
3007 /* number of parameters */
3008 len = mono_metadata_decode_value (p, &p);
3010 for (j = 0; j < len; ++j) {
3011 if (mono_assembly_try_decode_skip_verification_param (p, &p, &abort_decoding))
3027 mono_assembly_has_skip_verification (MonoAssembly *assembly)
3030 guint32 cols [MONO_DECL_SECURITY_SIZE];
3034 if (MONO_SECMAN_FLAG_INIT (assembly->skipverification))
3035 return MONO_SECMAN_FLAG_GET_VALUE (assembly->skipverification);
3037 t = &assembly->image->tables [MONO_TABLE_DECLSECURITY];
3039 for (i = 0; i < t->rows; ++i) {
3040 mono_metadata_decode_row (t, i, cols, MONO_DECL_SECURITY_SIZE);
3041 if ((cols [MONO_DECL_SECURITY_PARENT] & MONO_HAS_DECL_SECURITY_MASK) != MONO_HAS_DECL_SECURITY_ASSEMBLY)
3043 if (cols [MONO_DECL_SECURITY_ACTION] != SECURITY_ACTION_REQMIN)
3046 blob = mono_metadata_blob_heap (assembly->image, cols [MONO_DECL_SECURITY_PERMISSIONSET]);
3047 len = mono_metadata_decode_blob_size (blob, &blob);
3051 if (mono_assembly_try_decode_skip_verification (blob, blob + len)) {
3052 MONO_SECMAN_FLAG_SET_VALUE (assembly->skipverification, TRUE);
3057 MONO_SECMAN_FLAG_SET_VALUE (assembly->skipverification, FALSE);