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.Mobile", 0},
118 {"System.Web.Routing", 2},
119 {"System.Web.Services", 0},
120 {"System.Windows.Forms", 0},
127 * keeps track of loaded assemblies
129 static GList *loaded_assemblies = NULL;
130 static MonoAssembly *corlib;
132 #if defined(__native_client__)
134 /* On Native Client, allow mscorlib to be loaded from memory */
135 /* instead of loaded off disk. If these are not set, default */
136 /* mscorlib loading will take place */
138 /* NOTE: If mscorlib data is passed to mono in this way then */
139 /* it needs to remain allocated during the use of mono. */
141 static void *corlibData = NULL;
142 static size_t corlibSize = 0;
145 mono_set_corlib_data (void *data, size_t size)
153 /* This protects loaded_assemblies and image->references */
154 #define mono_assemblies_lock() EnterCriticalSection (&assemblies_mutex)
155 #define mono_assemblies_unlock() LeaveCriticalSection (&assemblies_mutex)
156 static CRITICAL_SECTION assemblies_mutex;
158 /* If defined, points to the bundled assembly information */
159 const MonoBundledAssembly **bundles;
161 /* Loaded assembly binding info */
162 static GSList *loaded_assembly_bindings = NULL;
165 mono_assembly_invoke_search_hook_internal (MonoAssemblyName *aname, gboolean refonly, gboolean postload);
167 mono_assembly_is_in_gac (const gchar *filanem);
170 encode_public_tok (const guchar *token, gint32 len)
172 const static gchar allowed [] = { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f' };
176 res = g_malloc (len * 2 + 1);
177 for (i = 0; i < len; i++) {
178 res [i * 2] = allowed [token [i] >> 4];
179 res [i * 2 + 1] = allowed [token [i] & 0xF];
186 * mono_public_tokens_are_equal:
187 * @pubt1: first public key token
188 * @pubt2: second public key token
190 * Compare two public key tokens and return #TRUE is they are equal and #FALSE
194 mono_public_tokens_are_equal (const unsigned char *pubt1, const unsigned char *pubt2)
196 return memcmp (pubt1, pubt2, 16) == 0;
200 check_path_env (void)
203 char **splitted, **dest;
205 path = g_getenv ("MONO_PATH");
209 splitted = g_strsplit (path, G_SEARCHPATH_SEPARATOR_S, 1000);
211 g_strfreev (assemblies_path);
212 assemblies_path = dest = splitted;
220 if (g_getenv ("MONO_DEBUG") == NULL)
223 splitted = assemblies_path;
225 if (**splitted && !g_file_test (*splitted, G_FILE_TEST_IS_DIR))
226 g_warning ("'%s' in MONO_PATH doesn't exist or has wrong permissions.", *splitted);
233 check_extra_gac_path_env (void) {
235 char **splitted, **dest;
237 path = g_getenv ("MONO_GAC_PREFIX");
241 splitted = g_strsplit (path, G_SEARCHPATH_SEPARATOR_S, 1000);
243 g_strfreev (extra_gac_paths);
244 extra_gac_paths = dest = splitted;
252 if (g_getenv ("MONO_DEBUG") == NULL)
256 if (**splitted && !g_file_test (*splitted, G_FILE_TEST_IS_DIR))
257 g_warning ("'%s' in MONO_GAC_PREFIX doesn't exist or has wrong permissions.", *splitted);
264 assembly_binding_maps_name (MonoAssemblyBindingInfo *info, MonoAssemblyName *aname)
266 if (!info || !info->name)
269 if (strcmp (info->name, aname->name))
272 if (info->major != aname->major || info->minor != aname->minor)
275 if ((info->culture != NULL && info->culture [0]) != (aname->culture != NULL && aname->culture [0]))
278 if (info->culture && aname->culture && strcmp (info->culture, aname->culture))
281 if (!mono_public_tokens_are_equal (info->public_key_token, aname->public_key_token))
288 mono_assembly_binding_info_free (MonoAssemblyBindingInfo *info)
294 g_free (info->culture);
298 get_publisher_policy_info (MonoImage *image, MonoAssemblyName *aname, MonoAssemblyBindingInfo *binding_info)
301 guint32 cols [MONO_MANIFEST_SIZE];
302 const gchar *filename;
303 gchar *subpath, *fullpath;
305 t = &image->tables [MONO_TABLE_MANIFESTRESOURCE];
306 /* MS Impl. accepts policy assemblies with more than
307 * one manifest resource, and only takes the first one */
309 binding_info->is_valid = FALSE;
313 mono_metadata_decode_row (t, 0, cols, MONO_MANIFEST_SIZE);
314 if ((cols [MONO_MANIFEST_IMPLEMENTATION] & MONO_IMPLEMENTATION_MASK) != MONO_IMPLEMENTATION_FILE) {
315 binding_info->is_valid = FALSE;
319 filename = mono_metadata_string_heap (image, cols [MONO_MANIFEST_NAME]);
320 g_assert (filename != NULL);
322 subpath = g_path_get_dirname (image->name);
323 fullpath = g_build_path (G_DIR_SEPARATOR_S, subpath, filename, NULL);
324 mono_config_parse_publisher_policy (fullpath, binding_info);
328 /* Define the optional elements/attributes before checking */
329 if (!binding_info->culture)
330 binding_info->culture = g_strdup ("");
332 /* Check that the most important elements/attributes exist */
333 if (!binding_info->name || !binding_info->public_key_token [0] || !binding_info->has_old_version_bottom ||
334 !binding_info->has_new_version || !assembly_binding_maps_name (binding_info, aname)) {
335 mono_assembly_binding_info_free (binding_info);
336 binding_info->is_valid = FALSE;
340 binding_info->is_valid = TRUE;
344 compare_versions (AssemblyVersionSet *v, MonoAssemblyName *aname)
346 if (v->major > aname->major)
348 else if (v->major < aname->major)
351 if (v->minor > aname->minor)
353 else if (v->minor < aname->minor)
356 if (v->build > aname->build)
358 else if (v->build < aname->build)
361 if (v->revision > aname->revision)
363 else if (v->revision < aname->revision)
370 check_policy_versions (MonoAssemblyBindingInfo *info, MonoAssemblyName *name)
375 /* If has_old_version_top doesn't exist, we don't have an interval */
376 if (!info->has_old_version_top) {
377 if (compare_versions (&info->old_version_bottom, name) == 0)
383 /* Check that the version defined by name is valid for the interval */
384 if (compare_versions (&info->old_version_top, name) < 0)
387 /* We should be greater or equal than the small version */
388 if (compare_versions (&info->old_version_bottom, name) > 0)
395 * mono_assembly_names_equal:
397 * @r: second assembly.
399 * Compares two MonoAssemblyNames and returns whether they are equal.
401 * This compares the names, the cultures, the release version and their
404 * Returns: TRUE if both assembly names are equal.
407 mono_assembly_names_equal (MonoAssemblyName *l, MonoAssemblyName *r)
409 if (!l->name || !r->name)
412 if (strcmp (l->name, r->name))
415 if (l->culture && r->culture && strcmp (l->culture, r->culture))
418 if (l->major != r->major || l->minor != r->minor ||
419 l->build != r->build || l->revision != r->revision)
420 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)))
423 if (!l->public_key_token [0] || !r->public_key_token [0])
426 if (!mono_public_tokens_are_equal (l->public_key_token, r->public_key_token))
432 static MonoAssembly *
433 load_in_path (const char *basename, const char** search_path, MonoImageOpenStatus *status, MonoBoolean refonly)
437 MonoAssembly *result;
439 for (i = 0; search_path [i]; ++i) {
440 fullpath = g_build_filename (search_path [i], basename, NULL);
441 result = mono_assembly_open_full (fullpath, status, refonly);
450 * mono_assembly_setrootdir:
451 * @root_dir: The pathname of the root directory where we will locate assemblies
453 * This routine sets the internal default root directory for looking up
456 * This is used by Windows installations to compute dynamically the
457 * place where the Mono assemblies are located.
461 mono_assembly_setrootdir (const char *root_dir)
464 * Override the MONO_ASSEMBLIES directory configured at compile time.
466 /* Leak if called more than once */
467 default_path [0] = g_strdup (root_dir);
471 * mono_assembly_getrootdir:
473 * Obtains the root directory used for looking up assemblies.
475 * Returns: a string with the directory, this string should not be freed.
477 G_CONST_RETURN gchar *
478 mono_assembly_getrootdir (void)
480 return default_path [0];
485 * @assembly_dir: the base directory for assemblies
486 * @config_dir: the base directory for configuration files
488 * This routine is used internally and by developers embedding
489 * the runtime into their own applications.
491 * There are a number of cases to consider: Mono as a system-installed
492 * package that is available on the location preconfigured or Mono in
493 * a relocated location.
495 * If you are using a system-installed Mono, you can pass NULL
496 * to both parameters. If you are not, you should compute both
497 * directory values and call this routine.
499 * The values for a given PREFIX are:
501 * assembly_dir: PREFIX/lib
502 * config_dir: PREFIX/etc
504 * Notice that embedders that use Mono in a relocated way must
505 * compute the location at runtime, as they will be in control
506 * of where Mono is installed.
509 mono_set_dirs (const char *assembly_dir, const char *config_dir)
511 #if defined (MONO_ASSEMBLIES)
512 if (assembly_dir == NULL)
513 assembly_dir = MONO_ASSEMBLIES;
515 #if defined (MONO_CFG_DIR)
516 if (config_dir == NULL)
517 config_dir = MONO_CFG_DIR;
519 mono_assembly_setrootdir (assembly_dir);
520 mono_set_config_dir (config_dir);
526 compute_base (char *path)
528 char *p = strrchr (path, '/');
532 /* Not a well known Mono executable, we are embedded, cant guess the base */
533 if (strcmp (p, "/mono") && strcmp (p, "/monodis") && strcmp (p, "/mint") && strcmp (p, "/monodiet"))
537 p = strrchr (path, '/');
541 if (strcmp (p, "/bin") != 0)
550 mono_set_dirs (MONO_ASSEMBLIES, MONO_CFG_DIR);
557 char *config, *lib, *mono;
561 * Only /usr prefix is treated specially
563 if (strncmp (exe, MONO_BINDIR, strlen (MONO_BINDIR)) == 0 || (base = compute_base (exe)) == NULL){
568 config = g_build_filename (base, "etc", NULL);
569 lib = g_build_filename (base, "lib", NULL);
570 mono = g_build_filename (lib, "mono/1.0", NULL);
571 if (stat (mono, &buf) == -1)
574 mono_set_dirs (lib, config);
582 #endif /* HOST_WIN32 */
587 * Registers the root directory for the Mono runtime, for Linux and Solaris 10,
588 * this auto-detects the prefix where Mono was installed.
591 mono_set_rootdir (void)
593 #if defined(HOST_WIN32) || (defined(PLATFORM_MACOSX) && !defined(TARGET_ARM))
594 gchar *bindir, *installdir, *root, *name, *resolvedname, *config;
597 name = mono_get_module_file_name ((HMODULE) &__ImageBase);
601 * _NSGetExecutablePath may return -1 to indicate buf is not large
602 * enough, but we ignore that case to avoid having to do extra dynamic
603 * allocation for the path and hope that 4096 is enough - this is
604 * ok in the Linux/Solaris case below at least...
608 guint buf_size = sizeof (buf);
610 if (_NSGetExecutablePath (buf, &buf_size) == 0)
611 name = g_strdup (buf);
618 name = mono_path_resolve_symlinks (name);
622 resolvedname = mono_path_resolve_symlinks (name);
624 bindir = g_path_get_dirname (resolvedname);
625 installdir = g_path_get_dirname (bindir);
626 root = g_build_path (G_DIR_SEPARATOR_S, installdir, "lib", NULL);
628 config = g_build_filename (root, "..", "etc", NULL);
630 mono_set_dirs (root, config);
632 if (g_file_test (root, G_FILE_TEST_EXISTS) && g_file_test (config, G_FILE_TEST_EXISTS))
633 mono_set_dirs (root, config);
643 g_free (resolvedname);
644 #elif defined(DISABLE_MONO_AUTODETECTION)
652 s = readlink ("/proc/self/exe", buf, sizeof (buf)-1);
660 /* Solaris 10 style */
661 str = g_strdup_printf ("/proc/%d/path/a.out", getpid ());
662 s = readlink (str, buf, sizeof (buf)-1);
674 * mono_assemblies_init:
676 * Initialize global variables used by this module.
679 mono_assemblies_init (void)
682 * Initialize our internal paths if we have not been initialized yet.
683 * This happens when embedders use Mono.
685 if (mono_assembly_getrootdir () == NULL)
689 check_extra_gac_path_env ();
691 InitializeCriticalSection (&assemblies_mutex);
695 mono_assembly_fill_assembly_name (MonoImage *image, MonoAssemblyName *aname)
697 MonoTableInfo *t = &image->tables [MONO_TABLE_ASSEMBLY];
698 guint32 cols [MONO_ASSEMBLY_SIZE];
703 mono_metadata_decode_row (t, 0, cols, MONO_ASSEMBLY_SIZE);
706 aname->hash_value = NULL;
707 aname->name = mono_metadata_string_heap (image, cols [MONO_ASSEMBLY_NAME]);
708 aname->culture = mono_metadata_string_heap (image, cols [MONO_ASSEMBLY_CULTURE]);
709 aname->flags = cols [MONO_ASSEMBLY_FLAGS];
710 aname->major = cols [MONO_ASSEMBLY_MAJOR_VERSION];
711 aname->minor = cols [MONO_ASSEMBLY_MINOR_VERSION];
712 aname->build = cols [MONO_ASSEMBLY_BUILD_NUMBER];
713 aname->revision = cols [MONO_ASSEMBLY_REV_NUMBER];
714 aname->hash_alg = cols [MONO_ASSEMBLY_HASH_ALG];
715 if (cols [MONO_ASSEMBLY_PUBLIC_KEY]) {
716 guchar* token = g_malloc (8);
721 pkey = mono_metadata_blob_heap (image, cols [MONO_ASSEMBLY_PUBLIC_KEY]);
722 len = mono_metadata_decode_blob_size (pkey, &pkey);
723 aname->public_key = (guchar*)pkey;
725 mono_digest_get_public_token (token, aname->public_key, len);
726 encoded = encode_public_tok (token, 8);
727 g_strlcpy ((char*)aname->public_key_token, encoded, MONO_PUBLIC_KEY_TOKEN_LENGTH);
733 aname->public_key = NULL;
734 memset (aname->public_key_token, 0, MONO_PUBLIC_KEY_TOKEN_LENGTH);
737 if (cols [MONO_ASSEMBLY_PUBLIC_KEY]) {
738 aname->public_key = (guchar*)mono_metadata_blob_heap (image, cols [MONO_ASSEMBLY_PUBLIC_KEY]);
741 aname->public_key = 0;
747 * mono_stringify_assembly_name:
748 * @aname: the assembly name.
750 * Convert @aname into its string format. The returned string is dynamically
751 * allocated and should be freed by the caller.
753 * Returns: a newly allocated string with a string representation of
757 mono_stringify_assembly_name (MonoAssemblyName *aname)
759 const char *quote = (aname->name && g_ascii_isspace (aname->name [0])) ? "\"" : "";
761 return g_strdup_printf (
762 "%s%s%s, Version=%d.%d.%d.%d, Culture=%s, PublicKeyToken=%s%s",
763 quote, aname->name, quote,
764 aname->major, aname->minor, aname->build, aname->revision,
765 aname->culture && *aname->culture? aname->culture: "neutral",
766 aname->public_key_token [0] ? (char *)aname->public_key_token : "null",
767 (aname->flags & ASSEMBLYREF_RETARGETABLE_FLAG) ? ", Retargetable=Yes" : "");
771 assemblyref_public_tok (MonoImage *image, guint32 key_index, guint32 flags)
773 const gchar *public_tok;
776 public_tok = mono_metadata_blob_heap (image, key_index);
777 len = mono_metadata_decode_blob_size (public_tok, &public_tok);
779 if (flags & ASSEMBLYREF_FULL_PUBLIC_KEY_FLAG) {
781 mono_digest_get_public_token (token, (guchar*)public_tok, len);
782 return encode_public_tok (token, 8);
785 return encode_public_tok ((guchar*)public_tok, len);
789 * mono_assembly_addref:
790 * @assemnly: the assembly to reference
792 * This routine increments the reference count on a MonoAssembly.
793 * The reference count is reduced every time the method mono_assembly_close() is
797 mono_assembly_addref (MonoAssembly *assembly)
799 InterlockedIncrement (&assembly->ref_count);
802 #ifndef DISABLE_ASSEMBLY_REMAPPING
803 static MonoAssemblyName *
804 mono_assembly_remap_version (MonoAssemblyName *aname, MonoAssemblyName *dest_aname)
806 const MonoRuntimeInfo *current_runtime;
807 int pos, first, last;
809 if (aname->name == NULL) return aname;
810 current_runtime = mono_get_runtime_info ();
813 last = G_N_ELEMENTS (framework_assemblies) - 1;
815 while (first <= last) {
817 pos = first + (last - first) / 2;
818 res = strcmp (aname->name, framework_assemblies[pos].assembly_name);
820 const AssemblyVersionSet* vset;
821 int index = framework_assemblies[pos].version_set_index;
822 g_assert (index < G_N_ELEMENTS (current_runtime->version_sets));
823 vset = ¤t_runtime->version_sets [index];
825 if (aname->major == vset->major && aname->minor == vset->minor &&
826 aname->build == vset->build && aname->revision == vset->revision)
829 if ((aname->major | aname->minor | aname->build | aname->revision) != 0)
830 mono_trace (G_LOG_LEVEL_WARNING, MONO_TRACE_ASSEMBLY,
831 "The request to load the assembly %s v%d.%d.%d.%d was remapped to v%d.%d.%d.%d",
833 aname->major, aname->minor, aname->build, aname->revision,
834 vset->major, vset->minor, vset->build, vset->revision
837 memcpy (dest_aname, aname, sizeof(MonoAssemblyName));
838 dest_aname->major = vset->major;
839 dest_aname->minor = vset->minor;
840 dest_aname->build = vset->build;
841 dest_aname->revision = vset->revision;
843 } else if (res < 0) {
854 * mono_assembly_get_assemblyref:
856 * Fill out ANAME with the assembly name of the INDEXth assembly reference in IMAGE.
859 mono_assembly_get_assemblyref (MonoImage *image, int index, MonoAssemblyName *aname)
862 guint32 cols [MONO_ASSEMBLYREF_SIZE];
865 t = &image->tables [MONO_TABLE_ASSEMBLYREF];
867 mono_metadata_decode_row (t, index, cols, MONO_ASSEMBLYREF_SIZE);
869 hash = mono_metadata_blob_heap (image, cols [MONO_ASSEMBLYREF_HASH_VALUE]);
870 aname->hash_len = mono_metadata_decode_blob_size (hash, &hash);
871 aname->hash_value = hash;
872 aname->name = mono_metadata_string_heap (image, cols [MONO_ASSEMBLYREF_NAME]);
873 aname->culture = mono_metadata_string_heap (image, cols [MONO_ASSEMBLYREF_CULTURE]);
874 aname->flags = cols [MONO_ASSEMBLYREF_FLAGS];
875 aname->major = cols [MONO_ASSEMBLYREF_MAJOR_VERSION];
876 aname->minor = cols [MONO_ASSEMBLYREF_MINOR_VERSION];
877 aname->build = cols [MONO_ASSEMBLYREF_BUILD_NUMBER];
878 aname->revision = cols [MONO_ASSEMBLYREF_REV_NUMBER];
880 if (cols [MONO_ASSEMBLYREF_PUBLIC_KEY]) {
881 gchar *token = assemblyref_public_tok (image, cols [MONO_ASSEMBLYREF_PUBLIC_KEY], aname->flags);
882 g_strlcpy ((char*)aname->public_key_token, token, MONO_PUBLIC_KEY_TOKEN_LENGTH);
885 memset (aname->public_key_token, 0, MONO_PUBLIC_KEY_TOKEN_LENGTH);
890 mono_assembly_load_reference (MonoImage *image, int index)
892 MonoAssembly *reference;
893 MonoAssemblyName aname;
894 MonoImageOpenStatus status;
897 * image->references is shared between threads, so we need to access
898 * it inside a critical section.
900 mono_assemblies_lock ();
901 if (!image->references) {
902 MonoTableInfo *t = &image->tables [MONO_TABLE_ASSEMBLYREF];
904 image->references = g_new0 (MonoAssembly *, t->rows + 1);
906 reference = image->references [index];
907 mono_assemblies_unlock ();
911 mono_assembly_get_assemblyref (image, index, &aname);
913 if (image->assembly && image->assembly->ref_only) {
914 /* We use the loaded corlib */
915 if (!strcmp (aname.name, "mscorlib"))
916 reference = mono_assembly_load_full (&aname, image->assembly->basedir, &status, FALSE);
918 reference = mono_assembly_loaded_full (&aname, TRUE);
920 /* Try a postload search hook */
921 reference = mono_assembly_invoke_search_hook_internal (&aname, TRUE, TRUE);
925 * Here we must advice that the error was due to
926 * a non loaded reference using the ReflectionOnly api
929 reference = REFERENCE_MISSING;
931 reference = mono_assembly_load (&aname, image->assembly? image->assembly->basedir: NULL, &status);
933 if (reference == NULL){
936 if (status == MONO_IMAGE_ERROR_ERRNO && errno == ENOENT) {
937 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 : "" );
938 } else if (status == MONO_IMAGE_ERROR_ERRNO) {
939 extra_msg = g_strdup_printf ("System error: %s\n", strerror (errno));
940 } else if (status == MONO_IMAGE_MISSING_ASSEMBLYREF) {
941 extra_msg = g_strdup ("Cannot find an assembly referenced from this one.\n");
942 } else if (status == MONO_IMAGE_IMAGE_INVALID) {
943 extra_msg = g_strdup ("The file exists but is not a valid assembly.\n");
945 extra_msg = g_strdup ("");
948 mono_trace (G_LOG_LEVEL_WARNING, MONO_TRACE_ASSEMBLY, "The following assembly referenced from %s could not be loaded:\n"
949 " Assembly: %s (assemblyref_index=%d)\n"
950 " Version: %d.%d.%d.%d\n"
951 " Public Key: %s\n%s",
952 image->name, aname.name, index,
953 aname.major, aname.minor, aname.build, aname.revision,
954 strlen ((char*)aname.public_key_token) == 0 ? "(none)" : (char*)aname.public_key_token, extra_msg);
958 mono_assemblies_lock ();
959 if (reference == NULL) {
960 /* Flag as not found */
961 reference = REFERENCE_MISSING;
964 if (!image->references [index]) {
965 if (reference != REFERENCE_MISSING){
966 mono_assembly_addref (reference);
968 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_ASSEMBLY, "Assembly Ref addref %s %p -> %s %p: %d",
969 image->assembly->aname.name, image->assembly, reference->aname.name, reference, reference->ref_count);
972 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_ASSEMBLY, "Failed to load assembly %s %p\n",
973 image->assembly->aname.name, image->assembly);
976 image->references [index] = reference;
978 mono_assemblies_unlock ();
980 if (image->references [index] != reference) {
981 /* Somebody loaded it before us */
982 mono_assembly_close (reference);
987 mono_assembly_load_references (MonoImage *image, MonoImageOpenStatus *status)
989 /* This is a no-op now but it is part of the embedding API so we can't remove it */
990 *status = MONO_IMAGE_OK;
993 typedef struct AssemblyLoadHook AssemblyLoadHook;
994 struct AssemblyLoadHook {
995 AssemblyLoadHook *next;
996 MonoAssemblyLoadFunc func;
1000 AssemblyLoadHook *assembly_load_hook = NULL;
1003 mono_assembly_invoke_load_hook (MonoAssembly *ass)
1005 AssemblyLoadHook *hook;
1007 for (hook = assembly_load_hook; hook; hook = hook->next) {
1008 hook->func (ass, hook->user_data);
1013 mono_install_assembly_load_hook (MonoAssemblyLoadFunc func, gpointer user_data)
1015 AssemblyLoadHook *hook;
1017 g_return_if_fail (func != NULL);
1019 hook = g_new0 (AssemblyLoadHook, 1);
1021 hook->user_data = user_data;
1022 hook->next = assembly_load_hook;
1023 assembly_load_hook = hook;
1027 free_assembly_load_hooks (void)
1029 AssemblyLoadHook *hook, *next;
1031 for (hook = assembly_load_hook; hook; hook = next) {
1037 typedef struct AssemblySearchHook AssemblySearchHook;
1038 struct AssemblySearchHook {
1039 AssemblySearchHook *next;
1040 MonoAssemblySearchFunc func;
1046 AssemblySearchHook *assembly_search_hook = NULL;
1048 static MonoAssembly*
1049 mono_assembly_invoke_search_hook_internal (MonoAssemblyName *aname, gboolean refonly, gboolean postload)
1051 AssemblySearchHook *hook;
1053 for (hook = assembly_search_hook; hook; hook = hook->next) {
1054 if ((hook->refonly == refonly) && (hook->postload == postload)) {
1055 MonoAssembly *ass = hook->func (aname, hook->user_data);
1065 mono_assembly_invoke_search_hook (MonoAssemblyName *aname)
1067 return mono_assembly_invoke_search_hook_internal (aname, FALSE, FALSE);
1071 mono_install_assembly_search_hook_internal (MonoAssemblySearchFunc func, gpointer user_data, gboolean refonly, gboolean postload)
1073 AssemblySearchHook *hook;
1075 g_return_if_fail (func != NULL);
1077 hook = g_new0 (AssemblySearchHook, 1);
1079 hook->user_data = user_data;
1080 hook->refonly = refonly;
1081 hook->postload = postload;
1082 hook->next = assembly_search_hook;
1083 assembly_search_hook = hook;
1087 mono_install_assembly_search_hook (MonoAssemblySearchFunc func, gpointer user_data)
1089 mono_install_assembly_search_hook_internal (func, user_data, FALSE, FALSE);
1093 free_assembly_search_hooks (void)
1095 AssemblySearchHook *hook, *next;
1097 for (hook = assembly_search_hook; hook; hook = next) {
1104 mono_install_assembly_refonly_search_hook (MonoAssemblySearchFunc func, gpointer user_data)
1106 mono_install_assembly_search_hook_internal (func, user_data, TRUE, FALSE);
1110 mono_install_assembly_postload_search_hook (MonoAssemblySearchFunc func, gpointer user_data)
1112 mono_install_assembly_search_hook_internal (func, user_data, FALSE, TRUE);
1116 mono_install_assembly_postload_refonly_search_hook (MonoAssemblySearchFunc func, gpointer user_data)
1118 mono_install_assembly_search_hook_internal (func, user_data, TRUE, TRUE);
1121 typedef struct AssemblyPreLoadHook AssemblyPreLoadHook;
1122 struct AssemblyPreLoadHook {
1123 AssemblyPreLoadHook *next;
1124 MonoAssemblyPreLoadFunc func;
1128 static AssemblyPreLoadHook *assembly_preload_hook = NULL;
1129 static AssemblyPreLoadHook *assembly_refonly_preload_hook = NULL;
1131 static MonoAssembly *
1132 invoke_assembly_preload_hook (MonoAssemblyName *aname, gchar **assemblies_path)
1134 AssemblyPreLoadHook *hook;
1135 MonoAssembly *assembly;
1137 for (hook = assembly_preload_hook; hook; hook = hook->next) {
1138 assembly = hook->func (aname, assemblies_path, hook->user_data);
1139 if (assembly != NULL)
1146 static MonoAssembly *
1147 invoke_assembly_refonly_preload_hook (MonoAssemblyName *aname, gchar **assemblies_path)
1149 AssemblyPreLoadHook *hook;
1150 MonoAssembly *assembly;
1152 for (hook = assembly_refonly_preload_hook; hook; hook = hook->next) {
1153 assembly = hook->func (aname, assemblies_path, hook->user_data);
1154 if (assembly != NULL)
1162 mono_install_assembly_preload_hook (MonoAssemblyPreLoadFunc func, gpointer user_data)
1164 AssemblyPreLoadHook *hook;
1166 g_return_if_fail (func != NULL);
1168 hook = g_new0 (AssemblyPreLoadHook, 1);
1170 hook->user_data = user_data;
1171 hook->next = assembly_preload_hook;
1172 assembly_preload_hook = hook;
1176 mono_install_assembly_refonly_preload_hook (MonoAssemblyPreLoadFunc func, gpointer user_data)
1178 AssemblyPreLoadHook *hook;
1180 g_return_if_fail (func != NULL);
1182 hook = g_new0 (AssemblyPreLoadHook, 1);
1184 hook->user_data = user_data;
1185 hook->next = assembly_refonly_preload_hook;
1186 assembly_refonly_preload_hook = hook;
1190 free_assembly_preload_hooks (void)
1192 AssemblyPreLoadHook *hook, *next;
1194 for (hook = assembly_preload_hook; hook; hook = next) {
1199 for (hook = assembly_refonly_preload_hook; hook; hook = next) {
1206 absolute_dir (const gchar *filename)
1217 if (g_path_is_absolute (filename)) {
1218 part = g_path_get_dirname (filename);
1219 res = g_strconcat (part, G_DIR_SEPARATOR_S, NULL);
1224 cwd = g_get_current_dir ();
1225 mixed = g_build_filename (cwd, filename, NULL);
1226 parts = g_strsplit (mixed, G_DIR_SEPARATOR_S, 0);
1231 for (i = 0; (part = parts [i]) != NULL; i++) {
1232 if (!strcmp (part, "."))
1235 if (!strcmp (part, "..")) {
1236 if (list && list->next) /* Don't remove root */
1237 list = g_list_delete_link (list, list);
1239 list = g_list_prepend (list, part);
1243 result = g_string_new ("");
1244 list = g_list_reverse (list);
1246 /* Ignores last data pointer, which should be the filename */
1247 for (tmp = list; tmp && tmp->next != NULL; tmp = tmp->next){
1249 g_string_append_printf (result, "%s%c", (char *) tmp->data,
1254 g_string_free (result, FALSE);
1259 return g_strdup (".");
1266 * mono_assembly_open_from_bundle:
1267 * @filename: Filename requested
1268 * @status: return value
1270 * This routine tries to open the assembly specified by `filename' from the
1271 * defined bundles, if found, returns the MonoImage for it, if not found
1275 mono_assembly_open_from_bundle (const char *filename, MonoImageOpenStatus *status, gboolean refonly)
1279 MonoImage *image = NULL;
1282 * we do a very simple search for bundled assemblies: it's not a general
1283 * purpose assembly loading mechanism.
1289 name = g_path_get_basename (filename);
1291 mono_assemblies_lock ();
1292 for (i = 0; !image && bundles [i]; ++i) {
1293 if (strcmp (bundles [i]->name, name) == 0) {
1294 image = mono_image_open_from_data_with_name ((char*)bundles [i]->data, bundles [i]->size, FALSE, status, refonly, name);
1298 mono_assemblies_unlock ();
1301 mono_image_addref (image);
1308 mono_assembly_open_full (const char *filename, MonoImageOpenStatus *status, gboolean refonly)
1312 MonoImageOpenStatus def_status;
1316 g_return_val_if_fail (filename != NULL, NULL);
1319 status = &def_status;
1320 *status = MONO_IMAGE_OK;
1322 if (strncmp (filename, "file://", 7) == 0) {
1323 GError *error = NULL;
1324 gchar *uri = (gchar *) filename;
1328 * MS allows file://c:/... and fails on file://localhost/c:/...
1329 * They also throw an IndexOutOfRangeException if "file://"
1332 uri = g_strdup_printf ("file:///%s", uri + 7);
1335 uri = mono_escape_uri_string (tmpuri);
1336 fname = g_filename_from_uri (uri, NULL, &error);
1339 if (tmpuri != filename)
1342 if (error != NULL) {
1343 g_warning ("%s\n", error->message);
1344 g_error_free (error);
1345 fname = g_strdup (filename);
1348 fname = g_strdup (filename);
1351 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_ASSEMBLY,
1352 "Assembly Loader probing location: '%s'.", fname);
1355 if (!mono_assembly_is_in_gac (fname))
1356 new_fname = mono_make_shadow_copy (fname);
1357 if (new_fname && new_fname != fname) {
1360 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_ASSEMBLY,
1361 "Assembly Loader shadow-copied assembly to: '%s'.", fname);
1366 if (bundles != NULL)
1367 image = mono_assembly_open_from_bundle (fname, status, refonly);
1370 image = mono_image_open_full (fname, status, refonly);
1373 if (*status == MONO_IMAGE_OK)
1374 *status = MONO_IMAGE_ERROR_ERRNO;
1379 if (image->assembly) {
1380 /* Already loaded by another appdomain */
1381 mono_assembly_invoke_load_hook (image->assembly);
1382 mono_image_close (image);
1384 return image->assembly;
1387 ass = mono_assembly_load_from_full (image, fname, status, refonly);
1390 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_ASSEMBLY,
1391 "Assembly Loader loaded assembly from location: '%s'.", filename);
1393 mono_config_for_assembly (ass->image);
1396 /* Clear the reference added by mono_image_open */
1397 mono_image_close (image);
1405 free_item (gpointer val, gpointer user_data)
1411 * mono_assembly_load_friends:
1414 * Load the list of friend assemblies that are allowed to access
1415 * the assembly's internal types and members. They are stored as assembly
1416 * names in custom attributes.
1418 * This is an internal method, we need this because when we load mscorlib
1419 * we do not have the mono_defaults.internals_visible_class loaded yet,
1420 * so we need to load these after we initialize the runtime.
1422 * LOCKING: Acquires the assemblies lock plus the loader lock.
1425 mono_assembly_load_friends (MonoAssembly* ass)
1428 MonoCustomAttrInfo* attrs;
1431 if (ass->friend_assembly_names_inited)
1434 attrs = mono_custom_attrs_from_assembly (ass);
1436 mono_assemblies_lock ();
1437 ass->friend_assembly_names_inited = TRUE;
1438 mono_assemblies_unlock ();
1442 mono_assemblies_lock ();
1443 if (ass->friend_assembly_names_inited) {
1444 mono_assemblies_unlock ();
1447 mono_assemblies_unlock ();
1451 * We build the list outside the assemblies lock, the worse that can happen
1452 * is that we'll need to free the allocated list.
1454 for (i = 0; i < attrs->num_attrs; ++i) {
1455 MonoCustomAttrEntry *attr = &attrs->attrs [i];
1456 MonoAssemblyName *aname;
1459 /* Do some sanity checking */
1460 if (!attr->ctor || attr->ctor->klass != mono_defaults.internals_visible_class)
1462 if (attr->data_size < 4)
1464 data = (const char*)attr->data;
1465 /* 0xFF means null string, see custom attr format */
1466 if (data [0] != 1 || data [1] != 0 || (data [2] & 0xFF) == 0xFF)
1468 slen = mono_metadata_decode_value (data + 2, &data);
1469 aname = g_new0 (MonoAssemblyName, 1);
1470 /*g_print ("friend ass: %s\n", data);*/
1471 if (mono_assembly_name_parse_full (data, aname, TRUE, NULL, NULL)) {
1472 list = g_slist_prepend (list, aname);
1477 mono_custom_attrs_free (attrs);
1479 mono_assemblies_lock ();
1480 if (ass->friend_assembly_names_inited) {
1481 mono_assemblies_unlock ();
1482 g_slist_foreach (list, free_item, NULL);
1483 g_slist_free (list);
1486 ass->friend_assembly_names = list;
1488 /* Because of the double checked locking pattern above */
1489 mono_memory_barrier ();
1490 ass->friend_assembly_names_inited = TRUE;
1491 mono_assemblies_unlock ();
1495 * mono_assembly_open:
1496 * @filename: Opens the assembly pointed out by this name
1497 * @status: where a status code can be returned
1499 * mono_assembly_open opens the PE-image pointed by @filename, and
1500 * loads any external assemblies referenced by it.
1502 * Return: a pointer to the MonoAssembly if @filename contains a valid
1503 * assembly or NULL on error. Details about the error are stored in the
1507 mono_assembly_open (const char *filename, MonoImageOpenStatus *status)
1509 return mono_assembly_open_full (filename, status, FALSE);
1513 mono_assembly_load_from_full (MonoImage *image, const char*fname,
1514 MonoImageOpenStatus *status, gboolean refonly)
1516 MonoAssembly *ass, *ass2;
1519 if (!image->tables [MONO_TABLE_ASSEMBLY].rows) {
1520 /* 'image' doesn't have a manifest -- maybe someone is trying to Assembly.Load a .netmodule */
1521 *status = MONO_IMAGE_IMAGE_INVALID;
1525 #if defined (HOST_WIN32)
1530 tmp_fn = g_strdup (fname);
1531 for (i = strlen (tmp_fn) - 1; i >= 0; i--) {
1532 if (tmp_fn [i] == '/')
1536 base_dir = absolute_dir (tmp_fn);
1540 base_dir = absolute_dir (fname);
1544 * Create assembly struct, and enter it into the assembly cache
1546 ass = g_new0 (MonoAssembly, 1);
1547 ass->basedir = base_dir;
1548 ass->ref_only = refonly;
1551 mono_profiler_assembly_event (ass, MONO_PROFILE_START_LOAD);
1553 mono_assembly_fill_assembly_name (image, &ass->aname);
1555 if (mono_defaults.corlib && strcmp (ass->aname.name, "mscorlib") == 0) {
1556 // MS.NET doesn't support loading other mscorlibs
1559 mono_image_addref (mono_defaults.corlib);
1560 *status = MONO_IMAGE_OK;
1561 return mono_defaults.corlib->assembly;
1564 /* Add a non-temporary reference because of ass->image */
1565 mono_image_addref (image);
1567 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);
1570 * The load hooks might take locks so we can't call them while holding the
1573 if (ass->aname.name) {
1574 ass2 = mono_assembly_invoke_search_hook_internal (&ass->aname, refonly, FALSE);
1578 mono_image_close (image);
1579 *status = MONO_IMAGE_OK;
1584 mono_assemblies_lock ();
1586 if (image->assembly) {
1588 * This means another thread has already loaded the assembly, but not yet
1589 * called the load hooks so the search hook can't find the assembly.
1591 mono_assemblies_unlock ();
1592 ass2 = image->assembly;
1595 mono_image_close (image);
1596 *status = MONO_IMAGE_OK;
1600 image->assembly = ass;
1602 loaded_assemblies = g_list_prepend (loaded_assemblies, ass);
1603 mono_assemblies_unlock ();
1606 if (image->is_module_handle)
1607 mono_image_fixup_vtable (image);
1610 mono_assembly_invoke_load_hook (ass);
1612 mono_profiler_assembly_loaded (ass, MONO_PROFILE_OK);
1618 mono_assembly_load_from (MonoImage *image, const char *fname,
1619 MonoImageOpenStatus *status)
1621 return mono_assembly_load_from_full (image, fname, status, FALSE);
1625 * mono_assembly_name_free:
1626 * @aname: assembly name to free
1628 * Frees the provided assembly name object.
1629 * (it does not frees the object itself, only the name members).
1632 mono_assembly_name_free (MonoAssemblyName *aname)
1637 g_free ((void *) aname->name);
1638 g_free ((void *) aname->culture);
1639 g_free ((void *) aname->hash_value);
1643 parse_public_key (const gchar *key, gchar** pubkey)
1646 gchar header [16], val, *arr;
1647 gint i, j, offset, bitlen, keylen, pkeylen;
1649 keylen = strlen (key) >> 1;
1653 val = g_ascii_xdigit_value (key [0]) << 4;
1654 val |= g_ascii_xdigit_value (key [1]);
1659 val = g_ascii_xdigit_value (key [24]);
1660 val |= g_ascii_xdigit_value (key [25]);
1672 /* We need the first 16 bytes
1673 * to check whether this key is valid or not */
1674 pkeylen = strlen (pkey) >> 1;
1678 for (i = 0, j = 0; i < 16; i++) {
1679 header [i] = g_ascii_xdigit_value (pkey [j++]) << 4;
1680 header [i] |= g_ascii_xdigit_value (pkey [j++]);
1683 if (header [0] != 0x06 || /* PUBLICKEYBLOB (0x06) */
1684 header [1] != 0x02 || /* Version (0x02) */
1685 header [2] != 0x00 || /* Reserved (word) */
1686 header [3] != 0x00 ||
1687 (guint)(read32 (header + 8)) != 0x31415352) /* DWORD magic = RSA1 */
1690 /* Based on this length, we _should_ be able to know if the length is right */
1691 bitlen = read32 (header + 12) >> 3;
1692 if ((bitlen + 16 + 4) != pkeylen)
1695 /* parsing is OK and the public key itself is not requested back */
1699 /* Encode the size of the blob */
1701 if (keylen <= 127) {
1702 arr = g_malloc (keylen + 1);
1703 arr [offset++] = keylen;
1705 arr = g_malloc (keylen + 2);
1706 arr [offset++] = 0x80; /* 10bs */
1707 arr [offset++] = keylen;
1710 for (i = offset, j = 0; i < keylen + offset; i++) {
1711 arr [i] = g_ascii_xdigit_value (key [j++]) << 4;
1712 arr [i] |= g_ascii_xdigit_value (key [j++]);
1721 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)
1723 gint major, minor, build, revision;
1726 gchar *pkey, *pkeyptr, *encoded, tok [8];
1728 memset (aname, 0, sizeof (MonoAssemblyName));
1731 version_parts = sscanf (version, "%u.%u.%u.%u", &major, &minor, &build, &revision);
1732 if (version_parts < 2 || version_parts > 4)
1735 /* FIXME: we should set build & revision to -1 (instead of 0)
1736 if these are not set in the version string. That way, later on,
1737 we can still determine if these were specified. */
1738 aname->major = major;
1739 aname->minor = minor;
1740 if (version_parts >= 3)
1741 aname->build = build;
1744 if (version_parts == 4)
1745 aname->revision = revision;
1747 aname->revision = 0;
1750 aname->flags = flags;
1752 aname->name = g_strdup (name);
1755 if (g_ascii_strcasecmp (culture, "neutral") == 0)
1756 aname->culture = g_strdup ("");
1758 aname->culture = g_strdup (culture);
1761 if (token && strncmp (token, "null", 4) != 0) {
1764 /* the constant includes the ending NULL, hence the -1 */
1765 if (strlen (token) != (MONO_PUBLIC_KEY_TOKEN_LENGTH - 1)) {
1766 mono_assembly_name_free (aname);
1769 lower = g_ascii_strdown (token, MONO_PUBLIC_KEY_TOKEN_LENGTH);
1770 g_strlcpy ((char*)aname->public_key_token, lower, MONO_PUBLIC_KEY_TOKEN_LENGTH);
1775 if (strcmp (key, "null") == 0 || !parse_public_key (key, &pkey)) {
1776 mono_assembly_name_free (aname);
1780 len = mono_metadata_decode_blob_size ((const gchar *) pkey, (const gchar **) &pkeyptr);
1781 // We also need to generate the key token
1782 mono_digest_get_public_token ((guchar*) tok, (guint8*) pkeyptr, len);
1783 encoded = encode_public_tok ((guchar*) tok, 8);
1784 g_strlcpy ((gchar*)aname->public_key_token, encoded, MONO_PUBLIC_KEY_TOKEN_LENGTH);
1787 if (save_public_key)
1788 aname->public_key = (guint8*) pkey;
1797 parse_assembly_directory_name (const char *name, const char *dirname, MonoAssemblyName *aname)
1802 parts = g_strsplit (dirname, "_", 3);
1803 if (!parts || !parts[0] || !parts[1] || !parts[2]) {
1808 res = build_assembly_name (name, parts[0], parts[1], parts[2], NULL, 0, 0, aname, FALSE);
1814 mono_assembly_name_parse_full (const char *name, MonoAssemblyName *aname, gboolean save_public_key, gboolean *is_version_defined, gboolean *is_token_defined)
1817 gchar *version = NULL;
1818 gchar *culture = NULL;
1819 gchar *token = NULL;
1821 gchar *retargetable = NULL;
1826 gboolean version_defined;
1827 gboolean token_defined;
1829 guint32 arch = PROCESSOR_ARCHITECTURE_NONE;
1831 if (!is_version_defined)
1832 is_version_defined = &version_defined;
1833 *is_version_defined = FALSE;
1834 if (!is_token_defined)
1835 is_token_defined = &token_defined;
1836 *is_token_defined = FALSE;
1838 parts = tmp = g_strsplit (name, ",", 6);
1839 if (!tmp || !*tmp) {
1844 dllname = g_strstrip (*tmp);
1849 value = g_strstrip (*tmp);
1850 if (!g_ascii_strncasecmp (value, "Version=", 8)) {
1851 *is_version_defined = TRUE;
1852 version = g_strstrip (value + 8);
1853 if (strlen (version) == 0) {
1854 goto cleanup_and_fail;
1860 if (!g_ascii_strncasecmp (value, "Culture=", 8)) {
1861 culture = g_strstrip (value + 8);
1862 if (strlen (culture) == 0) {
1863 goto cleanup_and_fail;
1869 if (!g_ascii_strncasecmp (value, "PublicKeyToken=", 15)) {
1870 *is_token_defined = TRUE;
1871 token = g_strstrip (value + 15);
1872 if (strlen (token) == 0) {
1873 goto cleanup_and_fail;
1879 if (!g_ascii_strncasecmp (value, "PublicKey=", 10)) {
1880 key = g_strstrip (value + 10);
1881 if (strlen (key) == 0) {
1882 goto cleanup_and_fail;
1888 if (!g_ascii_strncasecmp (value, "Retargetable=", 13)) {
1889 retargetable = g_strstrip (value + 13);
1890 if (strlen (retargetable) == 0) {
1891 goto cleanup_and_fail;
1893 if (!g_ascii_strcasecmp (retargetable, "yes")) {
1894 flags |= ASSEMBLYREF_RETARGETABLE_FLAG;
1895 } else if (g_ascii_strcasecmp (retargetable, "no")) {
1896 goto cleanup_and_fail;
1902 if (!g_ascii_strncasecmp (value, "ProcessorArchitecture=", 22)) {
1903 char *s = g_strstrip (value + 22);
1904 if (!g_ascii_strcasecmp (s, "None"))
1905 arch = PROCESSOR_ARCHITECTURE_NONE;
1906 else if (!g_ascii_strcasecmp (s, "MSIL"))
1907 arch = PROCESSOR_ARCHITECTURE_MSIL;
1908 else if (!g_ascii_strcasecmp (s, "X86"))
1909 arch = PROCESSOR_ARCHITECTURE_X86;
1910 else if (!g_ascii_strcasecmp (s, "IA64"))
1911 arch = PROCESSOR_ARCHITECTURE_IA64;
1912 else if (!g_ascii_strcasecmp (s, "AMD64"))
1913 arch = PROCESSOR_ARCHITECTURE_AMD64;
1915 goto cleanup_and_fail;
1924 /* if retargetable flag is set, then we must have a fully qualified name */
1925 if (retargetable != NULL && (version == NULL || culture == NULL || (key == NULL && token == NULL))) {
1926 goto cleanup_and_fail;
1929 res = build_assembly_name (dllname, version, culture, token, key, flags, arch,
1930 aname, save_public_key);
1940 * mono_assembly_name_parse:
1941 * @name: name to parse
1942 * @aname: the destination assembly name
1944 * Parses an assembly qualified type name and assigns the name,
1945 * version, culture and token to the provided assembly name object.
1947 * Returns: true if the name could be parsed.
1950 mono_assembly_name_parse (const char *name, MonoAssemblyName *aname)
1952 return mono_assembly_name_parse_full (name, aname, FALSE, NULL, NULL);
1956 * mono_assembly_name_new:
1957 * @name: name to parse
1959 * Allocate a new MonoAssemblyName and fill its values from the
1962 * Returns: a newly allocated structure or NULL if there was any failure.
1965 mono_assembly_name_new (const char *name)
1967 MonoAssemblyName *aname = g_new0 (MonoAssemblyName, 1);
1968 if (mono_assembly_name_parse (name, aname))
1975 mono_assembly_name_get_name (MonoAssemblyName *aname)
1981 mono_assembly_name_get_culture (MonoAssemblyName *aname)
1983 return aname->culture;
1987 mono_assembly_name_get_pubkeytoken (MonoAssemblyName *aname)
1989 if (aname->public_key_token [0])
1990 return aname->public_key_token;
1995 mono_assembly_name_get_version (MonoAssemblyName *aname, uint16_t *minor, uint16_t *build, uint16_t *revision)
1998 *minor = aname->minor;
2000 *build = aname->build;
2002 *revision = aname->revision;
2003 return aname->major;
2006 static MonoAssembly*
2007 probe_for_partial_name (const char *basepath, const char *fullname, MonoAssemblyName *aname, MonoImageOpenStatus *status)
2009 gchar *fullpath = NULL;
2011 const char* direntry;
2012 MonoAssemblyName gac_aname;
2013 gint major=-1, minor=0, build=0, revision=0;
2014 gboolean exact_version;
2016 dirhandle = g_dir_open (basepath, 0, NULL);
2020 exact_version = (aname->major | aname->minor | aname->build | aname->revision) != 0;
2022 while ((direntry = g_dir_read_name (dirhandle))) {
2023 gboolean match = TRUE;
2025 if(!parse_assembly_directory_name (aname->name, direntry, &gac_aname))
2028 if (aname->culture != NULL && strcmp (aname->culture, gac_aname.culture) != 0)
2031 if (match && strlen ((char*)aname->public_key_token) > 0 &&
2032 !mono_public_tokens_are_equal (aname->public_key_token, gac_aname.public_key_token))
2036 if (exact_version) {
2037 match = (aname->major == gac_aname.major && aname->minor == gac_aname.minor &&
2038 aname->build == gac_aname.build && aname->revision == gac_aname.revision);
2040 else if (gac_aname.major < major)
2042 else if (gac_aname.major == major) {
2043 if (gac_aname.minor < minor)
2045 else if (gac_aname.minor == minor) {
2046 if (gac_aname.build < build)
2048 else if (gac_aname.build == build && gac_aname.revision <= revision)
2055 major = gac_aname.major;
2056 minor = gac_aname.minor;
2057 build = gac_aname.build;
2058 revision = gac_aname.revision;
2060 fullpath = g_build_path (G_DIR_SEPARATOR_S, basepath, direntry, fullname, NULL);
2063 mono_assembly_name_free (&gac_aname);
2066 g_dir_close (dirhandle);
2068 if (fullpath == NULL)
2071 MonoAssembly *res = mono_assembly_open (fullpath, status);
2078 mono_assembly_load_with_partial_name (const char *name, MonoImageOpenStatus *status)
2081 MonoAssemblyName *aname, base_name;
2082 #ifndef DISABLE_ASSEMBLY_REMAPPING
2083 MonoAssemblyName maped_aname;
2085 gchar *fullname, *gacpath;
2088 memset (&base_name, 0, sizeof (MonoAssemblyName));
2091 if (!mono_assembly_name_parse (name, aname))
2094 #ifndef DISABLE_ASSEMBLY_REMAPPING
2096 * If no specific version has been requested, make sure we load the
2097 * correct version for system assemblies.
2099 if ((aname->major | aname->minor | aname->build | aname->revision) == 0)
2100 aname = mono_assembly_remap_version (aname, &maped_aname);
2103 res = mono_assembly_loaded (aname);
2105 mono_assembly_name_free (aname);
2109 res = invoke_assembly_preload_hook (aname, assemblies_path);
2111 res->in_gac = FALSE;
2112 mono_assembly_name_free (aname);
2116 fullname = g_strdup_printf ("%s.dll", aname->name);
2118 if (extra_gac_paths) {
2119 paths = extra_gac_paths;
2120 while (!res && *paths) {
2121 gacpath = g_build_path (G_DIR_SEPARATOR_S, *paths, "lib", "mono", "gac", aname->name, NULL);
2122 res = probe_for_partial_name (gacpath, fullname, aname, status);
2131 mono_assembly_name_free (aname);
2135 gacpath = g_build_path (G_DIR_SEPARATOR_S, mono_assembly_getrootdir (), "mono", "gac", aname->name, NULL);
2136 res = probe_for_partial_name (gacpath, fullname, aname, status);
2142 MonoDomain *domain = mono_domain_get ();
2143 MonoReflectionAssembly *refasm = mono_try_assembly_resolve (domain, mono_string_new (domain, name), FALSE);
2145 res = refasm->assembly;
2149 mono_assembly_name_free (aname);
2155 mono_assembly_is_in_gac (const gchar *filename)
2157 const gchar *rootdir;
2161 if (filename == NULL)
2164 for (paths = extra_gac_paths; paths && *paths; paths++) {
2165 if (strstr (*paths, filename) != *paths)
2168 gp = (gchar *) (filename + strlen (*paths));
2169 if (*gp != G_DIR_SEPARATOR)
2172 if (strncmp (gp, "lib", 3))
2175 if (*gp != G_DIR_SEPARATOR)
2178 if (strncmp (gp, "mono", 4))
2181 if (*gp != G_DIR_SEPARATOR)
2184 if (strncmp (gp, "gac", 3))
2187 if (*gp != G_DIR_SEPARATOR)
2193 rootdir = mono_assembly_getrootdir ();
2194 if (strstr (filename, rootdir) != filename)
2197 gp = (gchar *) (filename + strlen (rootdir));
2198 if (*gp != G_DIR_SEPARATOR)
2201 if (strncmp (gp, "mono", 4))
2204 if (*gp != G_DIR_SEPARATOR)
2207 if (strncmp (gp, "gac", 3))
2210 if (*gp != G_DIR_SEPARATOR)
2216 mono_assembly_load_publisher_policy (MonoAssemblyName *aname)
2219 gchar *filename, *pname, *name, *culture, *version, *fullpath, *subpath;
2223 if (strstr (aname->name, ".dll")) {
2224 len = strlen (aname->name) - 4;
2225 name = g_malloc (len);
2226 strncpy (name, aname->name, len);
2228 name = g_strdup (aname->name);
2231 culture = g_utf8_strdown (aname->culture, -1);
2233 culture = g_strdup ("");
2235 pname = g_strdup_printf ("policy.%d.%d.%s", aname->major, aname->minor, name);
2236 version = g_strdup_printf ("0.0.0.0_%s_%s", culture, aname->public_key_token);
2240 filename = g_strconcat (pname, ".dll", NULL);
2241 subpath = g_build_path (G_DIR_SEPARATOR_S, pname, version, filename, NULL);
2247 if (extra_gac_paths) {
2248 paths = extra_gac_paths;
2249 while (!image && *paths) {
2250 fullpath = g_build_path (G_DIR_SEPARATOR_S, *paths,
2251 "lib", "mono", "gac", subpath, NULL);
2252 image = mono_image_open (fullpath, NULL);
2263 fullpath = g_build_path (G_DIR_SEPARATOR_S, mono_assembly_getrootdir (),
2264 "mono", "gac", subpath, NULL);
2265 image = mono_image_open (fullpath, NULL);
2272 static MonoAssemblyName*
2273 mono_assembly_bind_version (MonoAssemblyBindingInfo *info, MonoAssemblyName *aname, MonoAssemblyName *dest_name)
2275 memcpy (dest_name, aname, sizeof (MonoAssemblyName));
2276 dest_name->major = info->new_version.major;
2277 dest_name->minor = info->new_version.minor;
2278 dest_name->build = info->new_version.build;
2279 dest_name->revision = info->new_version.revision;
2284 /* LOCKING: Assumes that we are already locked */
2285 static MonoAssemblyBindingInfo*
2286 search_binding_loaded (MonoAssemblyName *aname)
2290 for (tmp = loaded_assembly_bindings; tmp; tmp = tmp->next) {
2291 MonoAssemblyBindingInfo *info = tmp->data;
2292 if (assembly_binding_maps_name (info, aname))
2299 static inline gboolean
2300 info_compare_versions (AssemblyVersionSet *left, AssemblyVersionSet *right)
2302 if (left->major != right->major || left->minor != right->minor ||
2303 left->build != right->build || left->revision != right->revision)
2309 static inline gboolean
2310 info_versions_equal (MonoAssemblyBindingInfo *left, MonoAssemblyBindingInfo *right)
2312 if (left->has_old_version_bottom != right->has_old_version_bottom)
2315 if (left->has_old_version_top != right->has_old_version_top)
2318 if (left->has_new_version != right->has_new_version)
2321 if (left->has_old_version_bottom && !info_compare_versions (&left->old_version_bottom, &right->old_version_bottom))
2324 if (left->has_old_version_top && !info_compare_versions (&left->old_version_top, &right->old_version_top))
2327 if (left->has_new_version && !info_compare_versions (&left->new_version, &right->new_version))
2333 /* LOCKING: assumes all the necessary locks are held */
2335 assembly_binding_info_parsed (MonoAssemblyBindingInfo *info, void *user_data)
2337 MonoAssemblyBindingInfo *info_copy;
2339 MonoAssemblyBindingInfo *info_tmp;
2340 MonoDomain *domain = (MonoDomain*)user_data;
2345 for (tmp = domain->assembly_bindings; tmp; tmp = tmp->next) {
2346 info_tmp = tmp->data;
2347 if (strcmp (info->name, info_tmp->name) == 0 && info_versions_equal (info, info_tmp))
2351 info_copy = mono_mempool_alloc0 (domain->mp, sizeof (MonoAssemblyBindingInfo));
2352 memcpy (info_copy, info, sizeof (MonoAssemblyBindingInfo));
2354 info_copy->name = mono_mempool_strdup (domain->mp, info->name);
2356 info_copy->culture = mono_mempool_strdup (domain->mp, info->culture);
2358 domain->assembly_bindings = g_slist_append_mempool (domain->mp, domain->assembly_bindings, info_copy);
2361 static inline gboolean
2362 info_major_minor_in_range (MonoAssemblyBindingInfo *info, MonoAssemblyName *aname)
2364 if (!info->has_old_version_bottom)
2367 if (info->old_version_bottom.major > aname->major || info->old_version_bottom.minor > aname->minor)
2370 if (info->has_old_version_top && (info->old_version_top.major < aname->major || info->old_version_top.minor < aname->minor))
2373 /* This is not the nicest way to do it, but it's a by-product of the way parsing is done */
2374 info->major = aname->major;
2375 info->minor = aname->minor;
2380 /* LOCKING: Assumes that we are already locked - both loader and domain locks */
2381 static MonoAssemblyBindingInfo*
2382 get_per_domain_assembly_binding_info (MonoDomain *domain, MonoAssemblyName *aname)
2384 MonoAssemblyBindingInfo *info;
2387 if (!domain->assembly_bindings)
2391 for (list = domain->assembly_bindings; list; list = list->next) {
2393 if (info && !strcmp (aname->name, info->name) && info_major_minor_in_range (info, aname))
2399 if (info->name && info->public_key_token [0] && info->has_old_version_bottom &&
2400 info->has_new_version && assembly_binding_maps_name (info, aname))
2401 info->is_valid = TRUE;
2403 info->is_valid = FALSE;
2409 static MonoAssemblyName*
2410 mono_assembly_apply_binding (MonoAssemblyName *aname, MonoAssemblyName *dest_name)
2412 MonoAssemblyBindingInfo *info, *info2;
2416 if (aname->public_key_token [0] == 0)
2419 domain = mono_domain_get ();
2420 mono_loader_lock ();
2421 info = search_binding_loaded (aname);
2423 mono_domain_lock (domain);
2424 info = get_per_domain_assembly_binding_info (domain, aname);
2425 mono_domain_unlock (domain);
2428 mono_loader_unlock ();
2430 if (!check_policy_versions (info, aname))
2433 mono_assembly_bind_version (info, aname, dest_name);
2437 if (domain && domain->setup && domain->setup->configuration_file) {
2438 mono_domain_lock (domain);
2439 if (!domain->assembly_bindings_parsed) {
2440 gchar *domain_config_file = mono_string_to_utf8 (domain->setup->configuration_file);
2442 mono_config_parse_assembly_bindings (domain_config_file, aname->major, aname->minor, domain, assembly_binding_info_parsed);
2443 domain->assembly_bindings_parsed = TRUE;
2444 g_free (domain_config_file);
2446 mono_domain_unlock (domain);
2448 mono_loader_lock ();
2449 mono_domain_lock (domain);
2450 info = get_per_domain_assembly_binding_info (domain, aname);
2451 mono_domain_unlock (domain);
2452 mono_loader_unlock ();
2456 info = g_new0 (MonoAssemblyBindingInfo, 1);
2457 info->major = aname->major;
2458 info->minor = aname->minor;
2461 if (!info->is_valid) {
2462 ppimage = mono_assembly_load_publisher_policy (aname);
2464 get_publisher_policy_info (ppimage, aname, info);
2465 mono_image_close (ppimage);
2469 /* Define default error value if needed */
2470 if (!info->is_valid) {
2471 info->name = g_strdup (aname->name);
2472 info->culture = g_strdup (aname->culture);
2473 g_strlcpy ((char *)info->public_key_token, (const char *)aname->public_key_token, MONO_PUBLIC_KEY_TOKEN_LENGTH);
2476 mono_loader_lock ();
2477 info2 = search_binding_loaded (aname);
2479 /* This binding was added by another thread
2481 mono_assembly_binding_info_free (info);
2486 loaded_assembly_bindings = g_slist_prepend (loaded_assembly_bindings, info);
2488 mono_loader_unlock ();
2490 if (!info->is_valid || !check_policy_versions (info, aname))
2493 mono_assembly_bind_version (info, aname, dest_name);
2498 * mono_assembly_load_from_gac
2500 * @aname: The assembly name object
2502 static MonoAssembly*
2503 mono_assembly_load_from_gac (MonoAssemblyName *aname, gchar *filename, MonoImageOpenStatus *status, MonoBoolean refonly)
2505 MonoAssembly *result = NULL;
2506 gchar *name, *version, *culture, *fullpath, *subpath;
2511 if (aname->public_key_token [0] == 0) {
2515 if (strstr (aname->name, ".dll")) {
2516 len = strlen (filename) - 4;
2517 name = g_malloc (len);
2518 strncpy (name, aname->name, len);
2520 name = g_strdup (aname->name);
2523 if (aname->culture) {
2524 culture = g_utf8_strdown (aname->culture, -1);
2526 culture = g_strdup ("");
2529 pubtok = g_ascii_strdown ((char*)aname->public_key_token, MONO_PUBLIC_KEY_TOKEN_LENGTH);
2530 version = g_strdup_printf ("%d.%d.%d.%d_%s_%s", aname->major,
2531 aname->minor, aname->build, aname->revision,
2535 subpath = g_build_path (G_DIR_SEPARATOR_S, name, version, filename, NULL);
2540 if (extra_gac_paths) {
2541 paths = extra_gac_paths;
2542 while (!result && *paths) {
2543 fullpath = g_build_path (G_DIR_SEPARATOR_S, *paths, "lib", "mono", "gac", subpath, NULL);
2544 result = mono_assembly_open_full (fullpath, status, refonly);
2551 result->in_gac = TRUE;
2556 fullpath = g_build_path (G_DIR_SEPARATOR_S, mono_assembly_getrootdir (),
2557 "mono", "gac", subpath, NULL);
2558 result = mono_assembly_open_full (fullpath, status, refonly);
2562 result->in_gac = TRUE;
2570 mono_assembly_load_corlib (const MonoRuntimeInfo *runtime, MonoImageOpenStatus *status)
2573 MonoAssemblyName *aname;
2576 /* g_print ("corlib already loaded\n"); */
2580 #if defined(__native_client__)
2581 if (corlibData != NULL && corlibSize != 0) {
2583 /* First "FALSE" instructs mono not to make a copy. */
2584 /* Second "FALSE" says this is not just a ref. */
2585 MonoImage* image = mono_image_open_from_data_full (corlibData, corlibSize, FALSE, &status, FALSE);
2586 if (image == NULL || status != 0)
2587 g_print("mono_image_open_from_data_full failed: %d\n", status);
2588 corlib = mono_assembly_load_from_full (image, "mscorlib", &status, FALSE);
2589 if (corlib == NULL || status != 0)
2590 g_print ("mono_assembly_load_from_full failed: %d\n", status);
2596 aname = mono_assembly_name_new ("mscorlib.dll");
2597 corlib = invoke_assembly_preload_hook (aname, assemblies_path);
2598 mono_assembly_name_free (aname);
2603 if (assemblies_path) {
2604 corlib = load_in_path ("mscorlib.dll", (const char**)assemblies_path, status, FALSE);
2609 /* Load corlib from mono/<version> */
2611 corlib_file = g_build_filename ("mono", runtime->framework_version, "mscorlib.dll", NULL);
2612 if (assemblies_path) {
2613 corlib = load_in_path (corlib_file, (const char**)assemblies_path, status, FALSE);
2615 g_free (corlib_file);
2619 corlib = load_in_path (corlib_file, default_path, status, FALSE);
2620 g_free (corlib_file);
2626 mono_assembly_load_full_nosearch (MonoAssemblyName *aname,
2627 const char *basedir,
2628 MonoImageOpenStatus *status,
2631 MonoAssembly *result;
2632 char *fullpath, *filename;
2633 #ifndef DISABLE_ASSEMBLY_REMAPPING
2634 MonoAssemblyName maped_aname;
2636 MonoAssemblyName maped_name_pp;
2641 #ifndef DISABLE_ASSEMBLY_REMAPPING
2642 aname = mono_assembly_remap_version (aname, &maped_aname);
2645 /* Reflection only assemblies don't get assembly binding */
2647 aname = mono_assembly_apply_binding (aname, &maped_name_pp);
2649 result = mono_assembly_loaded_full (aname, refonly);
2653 result = refonly ? invoke_assembly_refonly_preload_hook (aname, assemblies_path) : invoke_assembly_preload_hook (aname, assemblies_path);
2655 result->in_gac = FALSE;
2659 /* Currently we retrieve the loaded corlib for reflection
2660 * only requests, like a common reflection only assembly
2662 if (strcmp (aname->name, "mscorlib") == 0 || strcmp (aname->name, "mscorlib.dll") == 0) {
2663 return mono_assembly_load_corlib (mono_get_runtime_info (), status);
2666 len = strlen (aname->name);
2667 for (ext_index = 0; ext_index < 2; ext_index ++) {
2668 ext = ext_index == 0 ? ".dll" : ".exe";
2669 if (len > 4 && (!strcmp (aname->name + len - 4, ".dll") || !strcmp (aname->name + len - 4, ".exe"))) {
2670 filename = g_strdup (aname->name);
2671 /* Don't try appending .dll/.exe if it already has one of those extensions */
2674 filename = g_strconcat (aname->name, ext, NULL);
2677 result = mono_assembly_load_from_gac (aname, filename, status, refonly);
2684 fullpath = g_build_filename (basedir, filename, NULL);
2685 result = mono_assembly_open_full (fullpath, status, refonly);
2688 result->in_gac = FALSE;
2694 result = load_in_path (filename, default_path, status, refonly);
2696 result->in_gac = FALSE;
2706 * mono_assembly_load_full:
2707 * @aname: A MonoAssemblyName with the assembly name to load.
2708 * @basedir: A directory to look up the assembly at.
2709 * @status: a pointer to a MonoImageOpenStatus to return the status of the load operation
2710 * @refonly: Whether this assembly is being opened in "reflection-only" mode.
2712 * Loads the assembly referenced by @aname, if the value of @basedir is not NULL, it
2713 * attempts to load the assembly from that directory before probing the standard locations.
2715 * If the assembly is being opened in reflection-only mode (@refonly set to TRUE) then no
2716 * assembly binding takes place.
2718 * Returns: the assembly referenced by @aname loaded or NULL on error. On error the
2719 * value pointed by status is updated with an error code.
2722 mono_assembly_load_full (MonoAssemblyName *aname, const char *basedir, MonoImageOpenStatus *status, gboolean refonly)
2724 MonoAssembly *result = mono_assembly_load_full_nosearch (aname, basedir, status, refonly);
2727 /* Try a postload search hook */
2728 result = mono_assembly_invoke_search_hook_internal (aname, refonly, TRUE);
2733 * mono_assembly_load:
2734 * @aname: A MonoAssemblyName with the assembly name to load.
2735 * @basedir: A directory to look up the assembly at.
2736 * @status: a pointer to a MonoImageOpenStatus to return the status of the load operation
2738 * Loads the assembly referenced by @aname, if the value of @basedir is not NULL, it
2739 * attempts to load the assembly from that directory before probing the standard locations.
2741 * Returns: the assembly referenced by @aname loaded or NULL on error. On error the
2742 * value pointed by status is updated with an error code.
2745 mono_assembly_load (MonoAssemblyName *aname, const char *basedir, MonoImageOpenStatus *status)
2747 return mono_assembly_load_full (aname, basedir, status, FALSE);
2751 mono_assembly_loaded_full (MonoAssemblyName *aname, gboolean refonly)
2754 #ifndef DISABLE_ASSEMBLY_REMAPPING
2755 MonoAssemblyName maped_aname;
2757 aname = mono_assembly_remap_version (aname, &maped_aname);
2760 res = mono_assembly_invoke_search_hook_internal (aname, refonly, FALSE);
2766 * mono_assembly_loaded:
2767 * @aname: an assembly to look for.
2769 * Returns: NULL If the given @aname assembly has not been loaded, or a pointer to
2770 * a MonoAssembly that matches the MonoAssemblyName specified.
2773 mono_assembly_loaded (MonoAssemblyName *aname)
2775 return mono_assembly_loaded_full (aname, FALSE);
2779 * Returns whether mono_assembly_close_finish() must be called as
2780 * well. See comment for mono_image_close_except_pools() for why we
2781 * unload in two steps.
2784 mono_assembly_close_except_image_pools (MonoAssembly *assembly)
2787 g_return_val_if_fail (assembly != NULL, FALSE);
2789 if (assembly == REFERENCE_MISSING)
2792 /* Might be 0 already */
2793 if (InterlockedDecrement (&assembly->ref_count) > 0)
2796 mono_profiler_assembly_event (assembly, MONO_PROFILE_START_UNLOAD);
2798 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_ASSEMBLY, "Unloading assembly %s [%p].", assembly->aname.name, assembly);
2800 mono_debug_close_image (assembly->image);
2802 mono_assemblies_lock ();
2803 loaded_assemblies = g_list_remove (loaded_assemblies, assembly);
2804 mono_assemblies_unlock ();
2806 assembly->image->assembly = NULL;
2808 if (!mono_image_close_except_pools (assembly->image))
2809 assembly->image = NULL;
2811 for (tmp = assembly->friend_assembly_names; tmp; tmp = tmp->next) {
2812 MonoAssemblyName *fname = tmp->data;
2813 mono_assembly_name_free (fname);
2816 g_slist_free (assembly->friend_assembly_names);
2817 g_free (assembly->basedir);
2819 mono_profiler_assembly_event (assembly, MONO_PROFILE_END_UNLOAD);
2825 mono_assembly_close_finish (MonoAssembly *assembly)
2827 g_assert (assembly && assembly != REFERENCE_MISSING);
2829 if (assembly->image)
2830 mono_image_close_finish (assembly->image);
2832 if (assembly->dynamic) {
2833 g_free ((char*)assembly->aname.culture);
2840 * mono_assembly_close:
2841 * @assembly: the assembly to release.
2843 * This method releases a reference to the @assembly. The assembly is
2844 * only released when all the outstanding references to it are released.
2847 mono_assembly_close (MonoAssembly *assembly)
2849 if (mono_assembly_close_except_image_pools (assembly))
2850 mono_assembly_close_finish (assembly);
2854 mono_assembly_load_module (MonoAssembly *assembly, guint32 idx)
2856 return mono_image_load_file_for_image (assembly->image, idx);
2860 mono_assembly_foreach (GFunc func, gpointer user_data)
2865 * We make a copy of the list to avoid calling the callback inside the
2866 * lock, which could lead to deadlocks.
2868 mono_assemblies_lock ();
2869 copy = g_list_copy (loaded_assemblies);
2870 mono_assemblies_unlock ();
2872 g_list_foreach (loaded_assemblies, func, user_data);
2878 * mono_assemblies_cleanup:
2880 * Free all resources used by this module.
2883 mono_assemblies_cleanup (void)
2887 DeleteCriticalSection (&assemblies_mutex);
2889 for (l = loaded_assembly_bindings; l; l = l->next) {
2890 MonoAssemblyBindingInfo *info = l->data;
2892 mono_assembly_binding_info_free (info);
2895 g_slist_free (loaded_assembly_bindings);
2897 free_assembly_load_hooks ();
2898 free_assembly_search_hooks ();
2899 free_assembly_preload_hooks ();
2903 * Holds the assembly of the application, for
2904 * System.Diagnostics.Process::MainModule
2906 static MonoAssembly *main_assembly=NULL;
2909 mono_assembly_set_main (MonoAssembly *assembly)
2911 main_assembly = assembly;
2915 * mono_assembly_get_main:
2917 * Returns: the assembly for the application, the first assembly that is loaded by the VM
2920 mono_assembly_get_main (void)
2922 return (main_assembly);
2926 * mono_assembly_get_image:
2927 * @assembly: The assembly to retrieve the image from
2929 * Returns: the MonoImage associated with this assembly.
2932 mono_assembly_get_image (MonoAssembly *assembly)
2934 return assembly->image;
2938 mono_register_bundled_assemblies (const MonoBundledAssembly **assemblies)
2940 bundles = assemblies;
2943 #define MONO_DECLSEC_FORMAT_10 0x3C
2944 #define MONO_DECLSEC_FORMAT_20 0x2E
2945 #define MONO_DECLSEC_FIELD 0x53
2946 #define MONO_DECLSEC_PROPERTY 0x54
2948 #define SKIP_VISIBILITY_XML_ATTRIBUTE ("\"SkipVerification\"")
2949 #define SKIP_VISIBILITY_ATTRIBUTE_NAME ("System.Security.Permissions.SecurityPermissionAttribute")
2950 #define SKIP_VISIBILITY_ATTRIBUTE_SIZE (sizeof (SKIP_VISIBILITY_ATTRIBUTE_NAME) - 1)
2951 #define SKIP_VISIBILITY_PROPERTY_NAME ("SkipVerification")
2952 #define SKIP_VISIBILITY_PROPERTY_SIZE (sizeof (SKIP_VISIBILITY_PROPERTY_NAME) - 1)
2955 mono_assembly_try_decode_skip_verification_param (const char *p, const char **resp, gboolean *abort_decoding)
2959 case MONO_DECLSEC_PROPERTY:
2961 case MONO_DECLSEC_FIELD:
2963 *abort_decoding = TRUE;
2968 if (*p++ != MONO_TYPE_BOOLEAN) {
2969 *abort_decoding = TRUE;
2973 /* property name length */
2974 len = mono_metadata_decode_value (p, &p);
2976 if (len >= SKIP_VISIBILITY_PROPERTY_SIZE && !memcmp (p, SKIP_VISIBILITY_PROPERTY_NAME, SKIP_VISIBILITY_PROPERTY_SIZE)) {
2987 mono_assembly_try_decode_skip_verification (const char *p, const char *endn)
2989 int i, j, num, len, params_len;
2991 if (*p == MONO_DECLSEC_FORMAT_10) {
2992 gsize read, written;
2993 char *res = g_convert (p, endn - p, "UTF-8", "UTF-16LE", &read, &written, NULL);
2995 gboolean found = strstr (res, SKIP_VISIBILITY_XML_ATTRIBUTE) != NULL;
3001 if (*p++ != MONO_DECLSEC_FORMAT_20)
3004 /* number of encoded permission attributes */
3005 num = mono_metadata_decode_value (p, &p);
3006 for (i = 0; i < num; ++i) {
3007 gboolean is_valid = FALSE;
3008 gboolean abort_decoding = FALSE;
3010 /* attribute name length */
3011 len = mono_metadata_decode_value (p, &p);
3013 /* We don't really need to fully decode the type. Comparing the name is enough */
3014 is_valid = len >= SKIP_VISIBILITY_ATTRIBUTE_SIZE && !memcmp (p, SKIP_VISIBILITY_ATTRIBUTE_NAME, SKIP_VISIBILITY_ATTRIBUTE_SIZE);
3018 /*size of the params table*/
3019 params_len = mono_metadata_decode_value (p, &p);
3021 const char *params_end = p + params_len;
3023 /* number of parameters */
3024 len = mono_metadata_decode_value (p, &p);
3026 for (j = 0; j < len; ++j) {
3027 if (mono_assembly_try_decode_skip_verification_param (p, &p, &abort_decoding))
3043 mono_assembly_has_skip_verification (MonoAssembly *assembly)
3046 guint32 cols [MONO_DECL_SECURITY_SIZE];
3050 if (MONO_SECMAN_FLAG_INIT (assembly->skipverification))
3051 return MONO_SECMAN_FLAG_GET_VALUE (assembly->skipverification);
3053 t = &assembly->image->tables [MONO_TABLE_DECLSECURITY];
3055 for (i = 0; i < t->rows; ++i) {
3056 mono_metadata_decode_row (t, i, cols, MONO_DECL_SECURITY_SIZE);
3057 if ((cols [MONO_DECL_SECURITY_PARENT] & MONO_HAS_DECL_SECURITY_MASK) != MONO_HAS_DECL_SECURITY_ASSEMBLY)
3059 if (cols [MONO_DECL_SECURITY_ACTION] != SECURITY_ACTION_REQMIN)
3062 blob = mono_metadata_blob_heap (assembly->image, cols [MONO_DECL_SECURITY_PERMISSIONSET]);
3063 len = mono_metadata_decode_blob_size (blob, &blob);
3067 if (mono_assembly_try_decode_skip_verification (blob, blob + len)) {
3068 MONO_SECMAN_FLAG_SET_VALUE (assembly->skipverification, TRUE);
3073 MONO_SECMAN_FLAG_SET_VALUE (assembly->skipverification, FALSE);