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/2.0", 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);
620 resolvedname = mono_path_resolve_symlinks (name);
622 bindir = g_path_get_dirname (resolvedname);
623 installdir = g_path_get_dirname (bindir);
624 root = g_build_path (G_DIR_SEPARATOR_S, installdir, "lib", NULL);
626 config = g_build_filename (root, "..", "etc", NULL);
628 mono_set_dirs (root, config);
630 if (g_file_test (root, G_FILE_TEST_EXISTS) && g_file_test (config, G_FILE_TEST_EXISTS))
631 mono_set_dirs (root, config);
641 g_free (resolvedname);
642 #elif defined(DISABLE_MONO_AUTODETECTION)
650 s = readlink ("/proc/self/exe", buf, sizeof (buf)-1);
658 /* Solaris 10 style */
659 str = g_strdup_printf ("/proc/%d/path/a.out", getpid ());
660 s = readlink (str, buf, sizeof (buf)-1);
672 * mono_assemblies_init:
674 * Initialize global variables used by this module.
677 mono_assemblies_init (void)
680 * Initialize our internal paths if we have not been initialized yet.
681 * This happens when embedders use Mono.
683 if (mono_assembly_getrootdir () == NULL)
687 check_extra_gac_path_env ();
689 InitializeCriticalSection (&assemblies_mutex);
693 mono_assembly_fill_assembly_name (MonoImage *image, MonoAssemblyName *aname)
695 MonoTableInfo *t = &image->tables [MONO_TABLE_ASSEMBLY];
696 guint32 cols [MONO_ASSEMBLY_SIZE];
701 mono_metadata_decode_row (t, 0, cols, MONO_ASSEMBLY_SIZE);
704 aname->hash_value = NULL;
705 aname->name = mono_metadata_string_heap (image, cols [MONO_ASSEMBLY_NAME]);
706 aname->culture = mono_metadata_string_heap (image, cols [MONO_ASSEMBLY_CULTURE]);
707 aname->flags = cols [MONO_ASSEMBLY_FLAGS];
708 aname->major = cols [MONO_ASSEMBLY_MAJOR_VERSION];
709 aname->minor = cols [MONO_ASSEMBLY_MINOR_VERSION];
710 aname->build = cols [MONO_ASSEMBLY_BUILD_NUMBER];
711 aname->revision = cols [MONO_ASSEMBLY_REV_NUMBER];
712 aname->hash_alg = cols [MONO_ASSEMBLY_HASH_ALG];
713 if (cols [MONO_ASSEMBLY_PUBLIC_KEY]) {
714 guchar* token = g_malloc (8);
719 pkey = mono_metadata_blob_heap (image, cols [MONO_ASSEMBLY_PUBLIC_KEY]);
720 len = mono_metadata_decode_blob_size (pkey, &pkey);
721 aname->public_key = (guchar*)pkey;
723 mono_digest_get_public_token (token, aname->public_key, len);
724 encoded = encode_public_tok (token, 8);
725 g_strlcpy ((char*)aname->public_key_token, encoded, MONO_PUBLIC_KEY_TOKEN_LENGTH);
731 aname->public_key = NULL;
732 memset (aname->public_key_token, 0, MONO_PUBLIC_KEY_TOKEN_LENGTH);
735 if (cols [MONO_ASSEMBLY_PUBLIC_KEY]) {
736 aname->public_key = (guchar*)mono_metadata_blob_heap (image, cols [MONO_ASSEMBLY_PUBLIC_KEY]);
739 aname->public_key = 0;
745 * mono_stringify_assembly_name:
746 * @aname: the assembly name.
748 * Convert @aname into its string format. The returned string is dynamically
749 * allocated and should be freed by the caller.
751 * Returns: a newly allocated string with a string representation of
755 mono_stringify_assembly_name (MonoAssemblyName *aname)
757 const char *quote = (aname->name && g_ascii_isspace (aname->name [0])) ? "\"" : "";
759 return g_strdup_printf (
760 "%s%s%s, Version=%d.%d.%d.%d, Culture=%s, PublicKeyToken=%s%s",
761 quote, aname->name, quote,
762 aname->major, aname->minor, aname->build, aname->revision,
763 aname->culture && *aname->culture? aname->culture: "neutral",
764 aname->public_key_token [0] ? (char *)aname->public_key_token : "null",
765 (aname->flags & ASSEMBLYREF_RETARGETABLE_FLAG) ? ", Retargetable=Yes" : "");
769 assemblyref_public_tok (MonoImage *image, guint32 key_index, guint32 flags)
771 const gchar *public_tok;
774 public_tok = mono_metadata_blob_heap (image, key_index);
775 len = mono_metadata_decode_blob_size (public_tok, &public_tok);
777 if (flags & ASSEMBLYREF_FULL_PUBLIC_KEY_FLAG) {
779 mono_digest_get_public_token (token, (guchar*)public_tok, len);
780 return encode_public_tok (token, 8);
783 return encode_public_tok ((guchar*)public_tok, len);
787 * mono_assembly_addref:
788 * @assemnly: the assembly to reference
790 * This routine increments the reference count on a MonoAssembly.
791 * The reference count is reduced every time the method mono_assembly_close() is
795 mono_assembly_addref (MonoAssembly *assembly)
797 InterlockedIncrement (&assembly->ref_count);
800 #ifndef DISABLE_ASSEMBLY_REMAPPING
801 static MonoAssemblyName *
802 mono_assembly_remap_version (MonoAssemblyName *aname, MonoAssemblyName *dest_aname)
804 const MonoRuntimeInfo *current_runtime;
805 int pos, first, last;
807 if (aname->name == NULL) return aname;
808 current_runtime = mono_get_runtime_info ();
811 last = G_N_ELEMENTS (framework_assemblies) - 1;
813 while (first <= last) {
815 pos = first + (last - first) / 2;
816 res = strcmp (aname->name, framework_assemblies[pos].assembly_name);
818 const AssemblyVersionSet* vset;
819 int index = framework_assemblies[pos].version_set_index;
820 g_assert (index < G_N_ELEMENTS (current_runtime->version_sets));
821 vset = ¤t_runtime->version_sets [index];
823 if (aname->major == vset->major && aname->minor == vset->minor &&
824 aname->build == vset->build && aname->revision == vset->revision)
827 if ((aname->major | aname->minor | aname->build | aname->revision) != 0)
828 mono_trace (G_LOG_LEVEL_WARNING, MONO_TRACE_ASSEMBLY,
829 "The request to load the assembly %s v%d.%d.%d.%d was remapped to v%d.%d.%d.%d",
831 aname->major, aname->minor, aname->build, aname->revision,
832 vset->major, vset->minor, vset->build, vset->revision
835 memcpy (dest_aname, aname, sizeof(MonoAssemblyName));
836 dest_aname->major = vset->major;
837 dest_aname->minor = vset->minor;
838 dest_aname->build = vset->build;
839 dest_aname->revision = vset->revision;
841 } else if (res < 0) {
852 * mono_assembly_get_assemblyref:
854 * Fill out ANAME with the assembly name of the INDEXth assembly reference in IMAGE.
857 mono_assembly_get_assemblyref (MonoImage *image, int index, MonoAssemblyName *aname)
860 guint32 cols [MONO_ASSEMBLYREF_SIZE];
863 t = &image->tables [MONO_TABLE_ASSEMBLYREF];
865 mono_metadata_decode_row (t, index, cols, MONO_ASSEMBLYREF_SIZE);
867 hash = mono_metadata_blob_heap (image, cols [MONO_ASSEMBLYREF_HASH_VALUE]);
868 aname->hash_len = mono_metadata_decode_blob_size (hash, &hash);
869 aname->hash_value = hash;
870 aname->name = mono_metadata_string_heap (image, cols [MONO_ASSEMBLYREF_NAME]);
871 aname->culture = mono_metadata_string_heap (image, cols [MONO_ASSEMBLYREF_CULTURE]);
872 aname->flags = cols [MONO_ASSEMBLYREF_FLAGS];
873 aname->major = cols [MONO_ASSEMBLYREF_MAJOR_VERSION];
874 aname->minor = cols [MONO_ASSEMBLYREF_MINOR_VERSION];
875 aname->build = cols [MONO_ASSEMBLYREF_BUILD_NUMBER];
876 aname->revision = cols [MONO_ASSEMBLYREF_REV_NUMBER];
878 if (cols [MONO_ASSEMBLYREF_PUBLIC_KEY]) {
879 gchar *token = assemblyref_public_tok (image, cols [MONO_ASSEMBLYREF_PUBLIC_KEY], aname->flags);
880 g_strlcpy ((char*)aname->public_key_token, token, MONO_PUBLIC_KEY_TOKEN_LENGTH);
883 memset (aname->public_key_token, 0, MONO_PUBLIC_KEY_TOKEN_LENGTH);
888 mono_assembly_load_reference (MonoImage *image, int index)
890 MonoAssembly *reference;
891 MonoAssemblyName aname;
892 MonoImageOpenStatus status;
895 * image->references is shared between threads, so we need to access
896 * it inside a critical section.
898 mono_assemblies_lock ();
899 if (!image->references) {
900 MonoTableInfo *t = &image->tables [MONO_TABLE_ASSEMBLYREF];
902 image->references = g_new0 (MonoAssembly *, t->rows + 1);
904 reference = image->references [index];
905 mono_assemblies_unlock ();
909 mono_assembly_get_assemblyref (image, index, &aname);
911 if (image->assembly && image->assembly->ref_only) {
912 /* We use the loaded corlib */
913 if (!strcmp (aname.name, "mscorlib"))
914 reference = mono_assembly_load_full (&aname, image->assembly->basedir, &status, FALSE);
916 reference = mono_assembly_loaded_full (&aname, TRUE);
918 /* Try a postload search hook */
919 reference = mono_assembly_invoke_search_hook_internal (&aname, TRUE, TRUE);
923 * Here we must advice that the error was due to
924 * a non loaded reference using the ReflectionOnly api
927 reference = REFERENCE_MISSING;
929 reference = mono_assembly_load (&aname, image->assembly? image->assembly->basedir: NULL, &status);
931 if (reference == NULL){
934 if (status == MONO_IMAGE_ERROR_ERRNO && errno == ENOENT) {
935 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 : "" );
936 } else if (status == MONO_IMAGE_ERROR_ERRNO) {
937 extra_msg = g_strdup_printf ("System error: %s\n", strerror (errno));
938 } else if (status == MONO_IMAGE_MISSING_ASSEMBLYREF) {
939 extra_msg = g_strdup ("Cannot find an assembly referenced from this one.\n");
940 } else if (status == MONO_IMAGE_IMAGE_INVALID) {
941 extra_msg = g_strdup ("The file exists but is not a valid assembly.\n");
943 extra_msg = g_strdup ("");
946 mono_trace (G_LOG_LEVEL_WARNING, MONO_TRACE_ASSEMBLY, "The following assembly referenced from %s could not be loaded:\n"
947 " Assembly: %s (assemblyref_index=%d)\n"
948 " Version: %d.%d.%d.%d\n"
949 " Public Key: %s\n%s",
950 image->name, aname.name, index,
951 aname.major, aname.minor, aname.build, aname.revision,
952 strlen ((char*)aname.public_key_token) == 0 ? "(none)" : (char*)aname.public_key_token, extra_msg);
956 mono_assemblies_lock ();
957 if (reference == NULL) {
958 /* Flag as not found */
959 reference = REFERENCE_MISSING;
962 if (!image->references [index]) {
963 if (reference != REFERENCE_MISSING){
964 mono_assembly_addref (reference);
966 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_ASSEMBLY, "Assembly Ref addref %s[%p] -> %s[%p]: %d",
967 image->assembly->aname.name, image->assembly, reference->aname.name, reference, reference->ref_count);
970 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_ASSEMBLY, "Failed to load assembly %s[%p]\n",
971 image->assembly->aname.name, image->assembly);
974 image->references [index] = reference;
976 mono_assemblies_unlock ();
978 if (image->references [index] != reference) {
979 /* Somebody loaded it before us */
980 mono_assembly_close (reference);
985 mono_assembly_load_references (MonoImage *image, MonoImageOpenStatus *status)
987 /* This is a no-op now but it is part of the embedding API so we can't remove it */
988 *status = MONO_IMAGE_OK;
991 typedef struct AssemblyLoadHook AssemblyLoadHook;
992 struct AssemblyLoadHook {
993 AssemblyLoadHook *next;
994 MonoAssemblyLoadFunc func;
998 AssemblyLoadHook *assembly_load_hook = NULL;
1001 mono_assembly_invoke_load_hook (MonoAssembly *ass)
1003 AssemblyLoadHook *hook;
1005 for (hook = assembly_load_hook; hook; hook = hook->next) {
1006 hook->func (ass, hook->user_data);
1011 mono_install_assembly_load_hook (MonoAssemblyLoadFunc func, gpointer user_data)
1013 AssemblyLoadHook *hook;
1015 g_return_if_fail (func != NULL);
1017 hook = g_new0 (AssemblyLoadHook, 1);
1019 hook->user_data = user_data;
1020 hook->next = assembly_load_hook;
1021 assembly_load_hook = hook;
1025 free_assembly_load_hooks (void)
1027 AssemblyLoadHook *hook, *next;
1029 for (hook = assembly_load_hook; hook; hook = next) {
1035 typedef struct AssemblySearchHook AssemblySearchHook;
1036 struct AssemblySearchHook {
1037 AssemblySearchHook *next;
1038 MonoAssemblySearchFunc func;
1044 AssemblySearchHook *assembly_search_hook = NULL;
1046 static MonoAssembly*
1047 mono_assembly_invoke_search_hook_internal (MonoAssemblyName *aname, gboolean refonly, gboolean postload)
1049 AssemblySearchHook *hook;
1051 for (hook = assembly_search_hook; hook; hook = hook->next) {
1052 if ((hook->refonly == refonly) && (hook->postload == postload)) {
1053 MonoAssembly *ass = hook->func (aname, hook->user_data);
1063 mono_assembly_invoke_search_hook (MonoAssemblyName *aname)
1065 return mono_assembly_invoke_search_hook_internal (aname, FALSE, FALSE);
1069 mono_install_assembly_search_hook_internal (MonoAssemblySearchFunc func, gpointer user_data, gboolean refonly, gboolean postload)
1071 AssemblySearchHook *hook;
1073 g_return_if_fail (func != NULL);
1075 hook = g_new0 (AssemblySearchHook, 1);
1077 hook->user_data = user_data;
1078 hook->refonly = refonly;
1079 hook->postload = postload;
1080 hook->next = assembly_search_hook;
1081 assembly_search_hook = hook;
1085 mono_install_assembly_search_hook (MonoAssemblySearchFunc func, gpointer user_data)
1087 mono_install_assembly_search_hook_internal (func, user_data, FALSE, FALSE);
1091 free_assembly_search_hooks (void)
1093 AssemblySearchHook *hook, *next;
1095 for (hook = assembly_search_hook; hook; hook = next) {
1102 mono_install_assembly_refonly_search_hook (MonoAssemblySearchFunc func, gpointer user_data)
1104 mono_install_assembly_search_hook_internal (func, user_data, TRUE, FALSE);
1108 mono_install_assembly_postload_search_hook (MonoAssemblySearchFunc func, gpointer user_data)
1110 mono_install_assembly_search_hook_internal (func, user_data, FALSE, TRUE);
1114 mono_install_assembly_postload_refonly_search_hook (MonoAssemblySearchFunc func, gpointer user_data)
1116 mono_install_assembly_search_hook_internal (func, user_data, TRUE, TRUE);
1119 typedef struct AssemblyPreLoadHook AssemblyPreLoadHook;
1120 struct AssemblyPreLoadHook {
1121 AssemblyPreLoadHook *next;
1122 MonoAssemblyPreLoadFunc func;
1126 static AssemblyPreLoadHook *assembly_preload_hook = NULL;
1127 static AssemblyPreLoadHook *assembly_refonly_preload_hook = NULL;
1129 static MonoAssembly *
1130 invoke_assembly_preload_hook (MonoAssemblyName *aname, gchar **assemblies_path)
1132 AssemblyPreLoadHook *hook;
1133 MonoAssembly *assembly;
1135 for (hook = assembly_preload_hook; hook; hook = hook->next) {
1136 assembly = hook->func (aname, assemblies_path, hook->user_data);
1137 if (assembly != NULL)
1144 static MonoAssembly *
1145 invoke_assembly_refonly_preload_hook (MonoAssemblyName *aname, gchar **assemblies_path)
1147 AssemblyPreLoadHook *hook;
1148 MonoAssembly *assembly;
1150 for (hook = assembly_refonly_preload_hook; hook; hook = hook->next) {
1151 assembly = hook->func (aname, assemblies_path, hook->user_data);
1152 if (assembly != NULL)
1160 mono_install_assembly_preload_hook (MonoAssemblyPreLoadFunc func, gpointer user_data)
1162 AssemblyPreLoadHook *hook;
1164 g_return_if_fail (func != NULL);
1166 hook = g_new0 (AssemblyPreLoadHook, 1);
1168 hook->user_data = user_data;
1169 hook->next = assembly_preload_hook;
1170 assembly_preload_hook = hook;
1174 mono_install_assembly_refonly_preload_hook (MonoAssemblyPreLoadFunc func, gpointer user_data)
1176 AssemblyPreLoadHook *hook;
1178 g_return_if_fail (func != NULL);
1180 hook = g_new0 (AssemblyPreLoadHook, 1);
1182 hook->user_data = user_data;
1183 hook->next = assembly_refonly_preload_hook;
1184 assembly_refonly_preload_hook = hook;
1188 free_assembly_preload_hooks (void)
1190 AssemblyPreLoadHook *hook, *next;
1192 for (hook = assembly_preload_hook; hook; hook = next) {
1197 for (hook = assembly_refonly_preload_hook; hook; hook = next) {
1204 absolute_dir (const gchar *filename)
1215 if (g_path_is_absolute (filename)) {
1216 part = g_path_get_dirname (filename);
1217 res = g_strconcat (part, G_DIR_SEPARATOR_S, NULL);
1222 cwd = g_get_current_dir ();
1223 mixed = g_build_filename (cwd, filename, NULL);
1224 parts = g_strsplit (mixed, G_DIR_SEPARATOR_S, 0);
1229 for (i = 0; (part = parts [i]) != NULL; i++) {
1230 if (!strcmp (part, "."))
1233 if (!strcmp (part, "..")) {
1234 if (list && list->next) /* Don't remove root */
1235 list = g_list_delete_link (list, list);
1237 list = g_list_prepend (list, part);
1241 result = g_string_new ("");
1242 list = g_list_reverse (list);
1244 /* Ignores last data pointer, which should be the filename */
1245 for (tmp = list; tmp && tmp->next != NULL; tmp = tmp->next){
1247 g_string_append_printf (result, "%s%c", (char *) tmp->data,
1252 g_string_free (result, FALSE);
1257 return g_strdup (".");
1264 * mono_assembly_open_from_bundle:
1265 * @filename: Filename requested
1266 * @status: return value
1268 * This routine tries to open the assembly specified by `filename' from the
1269 * defined bundles, if found, returns the MonoImage for it, if not found
1273 mono_assembly_open_from_bundle (const char *filename, MonoImageOpenStatus *status, gboolean refonly)
1277 MonoImage *image = NULL;
1280 * we do a very simple search for bundled assemblies: it's not a general
1281 * purpose assembly loading mechanism.
1287 name = g_path_get_basename (filename);
1289 mono_assemblies_lock ();
1290 for (i = 0; !image && bundles [i]; ++i) {
1291 if (strcmp (bundles [i]->name, name) == 0) {
1292 image = mono_image_open_from_data_with_name ((char*)bundles [i]->data, bundles [i]->size, FALSE, status, refonly, name);
1296 mono_assemblies_unlock ();
1299 mono_image_addref (image);
1306 mono_assembly_open_full (const char *filename, MonoImageOpenStatus *status, gboolean refonly)
1310 MonoImageOpenStatus def_status;
1314 g_return_val_if_fail (filename != NULL, NULL);
1317 status = &def_status;
1318 *status = MONO_IMAGE_OK;
1320 if (strncmp (filename, "file://", 7) == 0) {
1321 GError *error = NULL;
1322 gchar *uri = (gchar *) filename;
1326 * MS allows file://c:/... and fails on file://localhost/c:/...
1327 * They also throw an IndexOutOfRangeException if "file://"
1330 uri = g_strdup_printf ("file:///%s", uri + 7);
1333 uri = mono_escape_uri_string (tmpuri);
1334 fname = g_filename_from_uri (uri, NULL, &error);
1337 if (tmpuri != filename)
1340 if (error != NULL) {
1341 g_warning ("%s\n", error->message);
1342 g_error_free (error);
1343 fname = g_strdup (filename);
1346 fname = g_strdup (filename);
1349 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_ASSEMBLY,
1350 "Assembly Loader probing location: '%s'.", fname);
1353 if (!mono_assembly_is_in_gac (fname))
1354 new_fname = mono_make_shadow_copy (fname);
1355 if (new_fname && new_fname != fname) {
1358 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_ASSEMBLY,
1359 "Assembly Loader shadow-copied assembly to: '%s'.", fname);
1364 if (bundles != NULL)
1365 image = mono_assembly_open_from_bundle (fname, status, refonly);
1368 image = mono_image_open_full (fname, status, refonly);
1371 if (*status == MONO_IMAGE_OK)
1372 *status = MONO_IMAGE_ERROR_ERRNO;
1377 if (image->assembly) {
1378 /* Already loaded by another appdomain */
1379 mono_assembly_invoke_load_hook (image->assembly);
1380 mono_image_close (image);
1382 return image->assembly;
1385 ass = mono_assembly_load_from_full (image, fname, status, refonly);
1388 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_ASSEMBLY,
1389 "Assembly Loader loaded assembly from location: '%s'.", filename);
1391 mono_config_for_assembly (ass->image);
1394 /* Clear the reference added by mono_image_open */
1395 mono_image_close (image);
1403 free_item (gpointer val, gpointer user_data)
1409 * mono_assembly_load_friends:
1412 * Load the list of friend assemblies that are allowed to access
1413 * the assembly's internal types and members. They are stored as assembly
1414 * names in custom attributes.
1416 * This is an internal method, we need this because when we load mscorlib
1417 * we do not have the mono_defaults.internals_visible_class loaded yet,
1418 * so we need to load these after we initialize the runtime.
1420 * LOCKING: Acquires the assemblies lock plus the loader lock.
1423 mono_assembly_load_friends (MonoAssembly* ass)
1426 MonoCustomAttrInfo* attrs;
1429 if (ass->friend_assembly_names_inited)
1432 attrs = mono_custom_attrs_from_assembly (ass);
1434 mono_assemblies_lock ();
1435 ass->friend_assembly_names_inited = TRUE;
1436 mono_assemblies_unlock ();
1440 mono_assemblies_lock ();
1441 if (ass->friend_assembly_names_inited) {
1442 mono_assemblies_unlock ();
1445 mono_assemblies_unlock ();
1449 * We build the list outside the assemblies lock, the worse that can happen
1450 * is that we'll need to free the allocated list.
1452 for (i = 0; i < attrs->num_attrs; ++i) {
1453 MonoCustomAttrEntry *attr = &attrs->attrs [i];
1454 MonoAssemblyName *aname;
1457 /* Do some sanity checking */
1458 if (!attr->ctor || attr->ctor->klass != mono_defaults.internals_visible_class)
1460 if (attr->data_size < 4)
1462 data = (const char*)attr->data;
1463 /* 0xFF means null string, see custom attr format */
1464 if (data [0] != 1 || data [1] != 0 || (data [2] & 0xFF) == 0xFF)
1466 slen = mono_metadata_decode_value (data + 2, &data);
1467 aname = g_new0 (MonoAssemblyName, 1);
1468 /*g_print ("friend ass: %s\n", data);*/
1469 if (mono_assembly_name_parse_full (data, aname, TRUE, NULL, NULL)) {
1470 list = g_slist_prepend (list, aname);
1475 mono_custom_attrs_free (attrs);
1477 mono_assemblies_lock ();
1478 if (ass->friend_assembly_names_inited) {
1479 mono_assemblies_unlock ();
1480 g_slist_foreach (list, free_item, NULL);
1481 g_slist_free (list);
1484 ass->friend_assembly_names = list;
1486 /* Because of the double checked locking pattern above */
1487 mono_memory_barrier ();
1488 ass->friend_assembly_names_inited = TRUE;
1489 mono_assemblies_unlock ();
1493 * mono_assembly_open:
1494 * @filename: Opens the assembly pointed out by this name
1495 * @status: where a status code can be returned
1497 * mono_assembly_open opens the PE-image pointed by @filename, and
1498 * loads any external assemblies referenced by it.
1500 * Return: a pointer to the MonoAssembly if @filename contains a valid
1501 * assembly or NULL on error. Details about the error are stored in the
1505 mono_assembly_open (const char *filename, MonoImageOpenStatus *status)
1507 return mono_assembly_open_full (filename, status, FALSE);
1511 mono_assembly_load_from_full (MonoImage *image, const char*fname,
1512 MonoImageOpenStatus *status, gboolean refonly)
1514 MonoAssembly *ass, *ass2;
1517 if (!image->tables [MONO_TABLE_ASSEMBLY].rows) {
1518 /* 'image' doesn't have a manifest -- maybe someone is trying to Assembly.Load a .netmodule */
1519 *status = MONO_IMAGE_IMAGE_INVALID;
1523 #if defined (HOST_WIN32)
1528 tmp_fn = g_strdup (fname);
1529 for (i = strlen (tmp_fn) - 1; i >= 0; i--) {
1530 if (tmp_fn [i] == '/')
1534 base_dir = absolute_dir (tmp_fn);
1538 base_dir = absolute_dir (fname);
1542 * Create assembly struct, and enter it into the assembly cache
1544 ass = g_new0 (MonoAssembly, 1);
1545 ass->basedir = base_dir;
1546 ass->ref_only = refonly;
1549 mono_profiler_assembly_event (ass, MONO_PROFILE_START_LOAD);
1551 mono_assembly_fill_assembly_name (image, &ass->aname);
1553 if (mono_defaults.corlib && strcmp (ass->aname.name, "mscorlib") == 0) {
1554 // MS.NET doesn't support loading other mscorlibs
1557 mono_image_addref (mono_defaults.corlib);
1558 *status = MONO_IMAGE_OK;
1559 return mono_defaults.corlib->assembly;
1562 /* Add a non-temporary reference because of ass->image */
1563 mono_image_addref (image);
1565 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);
1568 * The load hooks might take locks so we can't call them while holding the
1571 if (ass->aname.name) {
1572 ass2 = mono_assembly_invoke_search_hook_internal (&ass->aname, refonly, FALSE);
1576 mono_image_close (image);
1577 *status = MONO_IMAGE_OK;
1582 mono_assemblies_lock ();
1584 if (image->assembly) {
1586 * This means another thread has already loaded the assembly, but not yet
1587 * called the load hooks so the search hook can't find the assembly.
1589 mono_assemblies_unlock ();
1590 ass2 = image->assembly;
1593 mono_image_close (image);
1594 *status = MONO_IMAGE_OK;
1598 image->assembly = ass;
1600 loaded_assemblies = g_list_prepend (loaded_assemblies, ass);
1601 mono_assemblies_unlock ();
1604 if (image->is_module_handle)
1605 mono_image_fixup_vtable (image);
1608 mono_assembly_invoke_load_hook (ass);
1610 mono_profiler_assembly_loaded (ass, MONO_PROFILE_OK);
1616 mono_assembly_load_from (MonoImage *image, const char *fname,
1617 MonoImageOpenStatus *status)
1619 return mono_assembly_load_from_full (image, fname, status, FALSE);
1623 * mono_assembly_name_free:
1624 * @aname: assembly name to free
1626 * Frees the provided assembly name object.
1627 * (it does not frees the object itself, only the name members).
1630 mono_assembly_name_free (MonoAssemblyName *aname)
1635 g_free ((void *) aname->name);
1636 g_free ((void *) aname->culture);
1637 g_free ((void *) aname->hash_value);
1641 parse_public_key (const gchar *key, gchar** pubkey)
1644 gchar header [16], val, *arr;
1645 gint i, j, offset, bitlen, keylen, pkeylen;
1647 keylen = strlen (key) >> 1;
1651 val = g_ascii_xdigit_value (key [0]) << 4;
1652 val |= g_ascii_xdigit_value (key [1]);
1657 val = g_ascii_xdigit_value (key [24]);
1658 val |= g_ascii_xdigit_value (key [25]);
1670 /* We need the first 16 bytes
1671 * to check whether this key is valid or not */
1672 pkeylen = strlen (pkey) >> 1;
1676 for (i = 0, j = 0; i < 16; i++) {
1677 header [i] = g_ascii_xdigit_value (pkey [j++]) << 4;
1678 header [i] |= g_ascii_xdigit_value (pkey [j++]);
1681 if (header [0] != 0x06 || /* PUBLICKEYBLOB (0x06) */
1682 header [1] != 0x02 || /* Version (0x02) */
1683 header [2] != 0x00 || /* Reserved (word) */
1684 header [3] != 0x00 ||
1685 (guint)(read32 (header + 8)) != 0x31415352) /* DWORD magic = RSA1 */
1688 /* Based on this length, we _should_ be able to know if the length is right */
1689 bitlen = read32 (header + 12) >> 3;
1690 if ((bitlen + 16 + 4) != pkeylen)
1693 /* parsing is OK and the public key itself is not requested back */
1697 /* Encode the size of the blob */
1699 if (keylen <= 127) {
1700 arr = g_malloc (keylen + 1);
1701 arr [offset++] = keylen;
1703 arr = g_malloc (keylen + 2);
1704 arr [offset++] = 0x80; /* 10bs */
1705 arr [offset++] = keylen;
1708 for (i = offset, j = 0; i < keylen + offset; i++) {
1709 arr [i] = g_ascii_xdigit_value (key [j++]) << 4;
1710 arr [i] |= g_ascii_xdigit_value (key [j++]);
1719 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)
1721 gint major, minor, build, revision;
1724 gchar *pkey, *pkeyptr, *encoded, tok [8];
1726 memset (aname, 0, sizeof (MonoAssemblyName));
1729 version_parts = sscanf (version, "%u.%u.%u.%u", &major, &minor, &build, &revision);
1730 if (version_parts < 2 || version_parts > 4)
1733 /* FIXME: we should set build & revision to -1 (instead of 0)
1734 if these are not set in the version string. That way, later on,
1735 we can still determine if these were specified. */
1736 aname->major = major;
1737 aname->minor = minor;
1738 if (version_parts >= 3)
1739 aname->build = build;
1742 if (version_parts == 4)
1743 aname->revision = revision;
1745 aname->revision = 0;
1748 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, 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;
1827 guint32 arch = PROCESSOR_ARCHITECTURE_NONE;
1829 if (!is_version_defined)
1830 is_version_defined = &version_defined;
1831 *is_version_defined = FALSE;
1832 if (!is_token_defined)
1833 is_token_defined = &token_defined;
1834 *is_token_defined = FALSE;
1836 parts = tmp = g_strsplit (name, ",", 6);
1837 if (!tmp || !*tmp) {
1842 dllname = g_strstrip (*tmp);
1847 value = g_strstrip (*tmp);
1848 if (!g_ascii_strncasecmp (value, "Version=", 8)) {
1849 *is_version_defined = TRUE;
1850 version = g_strstrip (value + 8);
1851 if (strlen (version) == 0) {
1852 goto cleanup_and_fail;
1858 if (!g_ascii_strncasecmp (value, "Culture=", 8)) {
1859 culture = g_strstrip (value + 8);
1860 if (strlen (culture) == 0) {
1861 goto cleanup_and_fail;
1867 if (!g_ascii_strncasecmp (value, "PublicKeyToken=", 15)) {
1868 *is_token_defined = TRUE;
1869 token = g_strstrip (value + 15);
1870 if (strlen (token) == 0) {
1871 goto cleanup_and_fail;
1877 if (!g_ascii_strncasecmp (value, "PublicKey=", 10)) {
1878 key = g_strstrip (value + 10);
1879 if (strlen (key) == 0) {
1880 goto cleanup_and_fail;
1886 if (!g_ascii_strncasecmp (value, "Retargetable=", 13)) {
1887 retargetable = g_strstrip (value + 13);
1888 if (strlen (retargetable) == 0) {
1889 goto cleanup_and_fail;
1891 if (!g_ascii_strcasecmp (retargetable, "yes")) {
1892 flags |= ASSEMBLYREF_RETARGETABLE_FLAG;
1893 } else if (g_ascii_strcasecmp (retargetable, "no")) {
1894 goto cleanup_and_fail;
1900 if (!g_ascii_strncasecmp (value, "ProcessorArchitecture=", 22)) {
1901 char *s = g_strstrip (value + 22);
1902 if (!g_ascii_strcasecmp (s, "None"))
1903 arch = PROCESSOR_ARCHITECTURE_NONE;
1904 else if (!g_ascii_strcasecmp (s, "MSIL"))
1905 arch = PROCESSOR_ARCHITECTURE_MSIL;
1906 else if (!g_ascii_strcasecmp (s, "X86"))
1907 arch = PROCESSOR_ARCHITECTURE_X86;
1908 else if (!g_ascii_strcasecmp (s, "IA64"))
1909 arch = PROCESSOR_ARCHITECTURE_IA64;
1910 else if (!g_ascii_strcasecmp (s, "AMD64"))
1911 arch = PROCESSOR_ARCHITECTURE_AMD64;
1913 goto cleanup_and_fail;
1922 /* if retargetable flag is set, then we must have a fully qualified name */
1923 if (retargetable != NULL && (version == NULL || culture == NULL || (key == NULL && token == NULL))) {
1924 goto cleanup_and_fail;
1927 res = build_assembly_name (dllname, version, culture, token, key, flags, arch,
1928 aname, save_public_key);
1938 * mono_assembly_name_parse:
1939 * @name: name to parse
1940 * @aname: the destination assembly name
1942 * Parses an assembly qualified type name and assigns the name,
1943 * version, culture and token to the provided assembly name object.
1945 * Returns: true if the name could be parsed.
1948 mono_assembly_name_parse (const char *name, MonoAssemblyName *aname)
1950 return mono_assembly_name_parse_full (name, aname, FALSE, NULL, NULL);
1954 * mono_assembly_name_new:
1955 * @name: name to parse
1957 * Allocate a new MonoAssemblyName and fill its values from the
1960 * Returns: a newly allocated structure or NULL if there was any failure.
1963 mono_assembly_name_new (const char *name)
1965 MonoAssemblyName *aname = g_new0 (MonoAssemblyName, 1);
1966 if (mono_assembly_name_parse (name, aname))
1973 mono_assembly_name_get_name (MonoAssemblyName *aname)
1979 mono_assembly_name_get_culture (MonoAssemblyName *aname)
1981 return aname->culture;
1985 mono_assembly_name_get_pubkeytoken (MonoAssemblyName *aname)
1987 if (aname->public_key_token [0])
1988 return aname->public_key_token;
1993 mono_assembly_name_get_version (MonoAssemblyName *aname, uint16_t *minor, uint16_t *build, uint16_t *revision)
1996 *minor = aname->minor;
1998 *build = aname->build;
2000 *revision = aname->revision;
2001 return aname->major;
2004 static MonoAssembly*
2005 probe_for_partial_name (const char *basepath, const char *fullname, MonoAssemblyName *aname, MonoImageOpenStatus *status)
2007 gchar *fullpath = NULL;
2009 const char* direntry;
2010 MonoAssemblyName gac_aname;
2011 gint major=-1, minor=0, build=0, revision=0;
2012 gboolean exact_version;
2014 dirhandle = g_dir_open (basepath, 0, NULL);
2018 exact_version = (aname->major | aname->minor | aname->build | aname->revision) != 0;
2020 while ((direntry = g_dir_read_name (dirhandle))) {
2021 gboolean match = TRUE;
2023 if(!parse_assembly_directory_name (aname->name, direntry, &gac_aname))
2026 if (aname->culture != NULL && strcmp (aname->culture, gac_aname.culture) != 0)
2029 if (match && strlen ((char*)aname->public_key_token) > 0 &&
2030 !mono_public_tokens_are_equal (aname->public_key_token, gac_aname.public_key_token))
2034 if (exact_version) {
2035 match = (aname->major == gac_aname.major && aname->minor == gac_aname.minor &&
2036 aname->build == gac_aname.build && aname->revision == gac_aname.revision);
2038 else if (gac_aname.major < major)
2040 else if (gac_aname.major == major) {
2041 if (gac_aname.minor < minor)
2043 else if (gac_aname.minor == minor) {
2044 if (gac_aname.build < build)
2046 else if (gac_aname.build == build && gac_aname.revision <= revision)
2053 major = gac_aname.major;
2054 minor = gac_aname.minor;
2055 build = gac_aname.build;
2056 revision = gac_aname.revision;
2058 fullpath = g_build_path (G_DIR_SEPARATOR_S, basepath, direntry, fullname, NULL);
2061 mono_assembly_name_free (&gac_aname);
2064 g_dir_close (dirhandle);
2066 if (fullpath == NULL)
2069 MonoAssembly *res = mono_assembly_open (fullpath, status);
2076 mono_assembly_load_with_partial_name (const char *name, MonoImageOpenStatus *status)
2079 MonoAssemblyName *aname, base_name;
2080 #ifndef DISABLE_ASSEMBLY_REMAPPING
2081 MonoAssemblyName maped_aname;
2083 gchar *fullname, *gacpath;
2086 memset (&base_name, 0, sizeof (MonoAssemblyName));
2089 if (!mono_assembly_name_parse (name, aname))
2092 #ifndef DISABLE_ASSEMBLY_REMAPPING
2094 * If no specific version has been requested, make sure we load the
2095 * correct version for system assemblies.
2097 if ((aname->major | aname->minor | aname->build | aname->revision) == 0)
2098 aname = mono_assembly_remap_version (aname, &maped_aname);
2101 res = mono_assembly_loaded (aname);
2103 mono_assembly_name_free (aname);
2107 res = invoke_assembly_preload_hook (aname, assemblies_path);
2109 res->in_gac = FALSE;
2110 mono_assembly_name_free (aname);
2114 fullname = g_strdup_printf ("%s.dll", aname->name);
2116 if (extra_gac_paths) {
2117 paths = extra_gac_paths;
2118 while (!res && *paths) {
2119 gacpath = g_build_path (G_DIR_SEPARATOR_S, *paths, "lib", "mono", "gac", aname->name, NULL);
2120 res = probe_for_partial_name (gacpath, fullname, aname, status);
2129 mono_assembly_name_free (aname);
2133 gacpath = g_build_path (G_DIR_SEPARATOR_S, mono_assembly_getrootdir (), "mono", "gac", aname->name, NULL);
2134 res = probe_for_partial_name (gacpath, fullname, aname, status);
2140 MonoDomain *domain = mono_domain_get ();
2141 MonoReflectionAssembly *refasm = mono_try_assembly_resolve (domain, mono_string_new (domain, name), FALSE);
2143 res = refasm->assembly;
2147 mono_assembly_name_free (aname);
2153 mono_assembly_is_in_gac (const gchar *filename)
2155 const gchar *rootdir;
2159 if (filename == NULL)
2162 for (paths = extra_gac_paths; paths && *paths; paths++) {
2163 if (strstr (*paths, filename) != *paths)
2166 gp = (gchar *) (filename + strlen (*paths));
2167 if (*gp != G_DIR_SEPARATOR)
2170 if (strncmp (gp, "lib", 3))
2173 if (*gp != G_DIR_SEPARATOR)
2176 if (strncmp (gp, "mono", 4))
2179 if (*gp != G_DIR_SEPARATOR)
2182 if (strncmp (gp, "gac", 3))
2185 if (*gp != G_DIR_SEPARATOR)
2191 rootdir = mono_assembly_getrootdir ();
2192 if (strstr (filename, rootdir) != filename)
2195 gp = (gchar *) (filename + strlen (rootdir));
2196 if (*gp != G_DIR_SEPARATOR)
2199 if (strncmp (gp, "mono", 4))
2202 if (*gp != G_DIR_SEPARATOR)
2205 if (strncmp (gp, "gac", 3))
2208 if (*gp != G_DIR_SEPARATOR)
2214 mono_assembly_load_publisher_policy (MonoAssemblyName *aname)
2217 gchar *filename, *pname, *name, *culture, *version, *fullpath, *subpath;
2221 if (strstr (aname->name, ".dll")) {
2222 len = strlen (aname->name) - 4;
2223 name = g_malloc (len);
2224 strncpy (name, aname->name, len);
2226 name = g_strdup (aname->name);
2229 culture = g_utf8_strdown (aname->culture, -1);
2231 culture = g_strdup ("");
2233 pname = g_strdup_printf ("policy.%d.%d.%s", aname->major, aname->minor, name);
2234 version = g_strdup_printf ("0.0.0.0_%s_%s", culture, aname->public_key_token);
2238 filename = g_strconcat (pname, ".dll", NULL);
2239 subpath = g_build_path (G_DIR_SEPARATOR_S, pname, version, filename, NULL);
2245 if (extra_gac_paths) {
2246 paths = extra_gac_paths;
2247 while (!image && *paths) {
2248 fullpath = g_build_path (G_DIR_SEPARATOR_S, *paths,
2249 "lib", "mono", "gac", subpath, NULL);
2250 image = mono_image_open (fullpath, NULL);
2261 fullpath = g_build_path (G_DIR_SEPARATOR_S, mono_assembly_getrootdir (),
2262 "mono", "gac", subpath, NULL);
2263 image = mono_image_open (fullpath, NULL);
2270 static MonoAssemblyName*
2271 mono_assembly_bind_version (MonoAssemblyBindingInfo *info, MonoAssemblyName *aname, MonoAssemblyName *dest_name)
2273 memcpy (dest_name, aname, sizeof (MonoAssemblyName));
2274 dest_name->major = info->new_version.major;
2275 dest_name->minor = info->new_version.minor;
2276 dest_name->build = info->new_version.build;
2277 dest_name->revision = info->new_version.revision;
2282 /* LOCKING: Assumes that we are already locked */
2283 static MonoAssemblyBindingInfo*
2284 search_binding_loaded (MonoAssemblyName *aname)
2288 for (tmp = loaded_assembly_bindings; tmp; tmp = tmp->next) {
2289 MonoAssemblyBindingInfo *info = tmp->data;
2290 if (assembly_binding_maps_name (info, aname))
2297 static inline gboolean
2298 info_compare_versions (AssemblyVersionSet *left, AssemblyVersionSet *right)
2300 if (left->major != right->major || left->minor != right->minor ||
2301 left->build != right->build || left->revision != right->revision)
2307 static inline gboolean
2308 info_versions_equal (MonoAssemblyBindingInfo *left, MonoAssemblyBindingInfo *right)
2310 if (left->has_old_version_bottom != right->has_old_version_bottom)
2313 if (left->has_old_version_top != right->has_old_version_top)
2316 if (left->has_new_version != right->has_new_version)
2319 if (left->has_old_version_bottom && !info_compare_versions (&left->old_version_bottom, &right->old_version_bottom))
2322 if (left->has_old_version_top && !info_compare_versions (&left->old_version_top, &right->old_version_top))
2325 if (left->has_new_version && !info_compare_versions (&left->new_version, &right->new_version))
2331 /* LOCKING: assumes all the necessary locks are held */
2333 assembly_binding_info_parsed (MonoAssemblyBindingInfo *info, void *user_data)
2335 MonoAssemblyBindingInfo *info_copy;
2337 MonoAssemblyBindingInfo *info_tmp;
2338 MonoDomain *domain = (MonoDomain*)user_data;
2343 for (tmp = domain->assembly_bindings; tmp; tmp = tmp->next) {
2344 info_tmp = tmp->data;
2345 if (strcmp (info->name, info_tmp->name) == 0 && info_versions_equal (info, info_tmp))
2349 info_copy = mono_mempool_alloc0 (domain->mp, sizeof (MonoAssemblyBindingInfo));
2350 memcpy (info_copy, info, sizeof (MonoAssemblyBindingInfo));
2352 info_copy->name = mono_mempool_strdup (domain->mp, info->name);
2354 info_copy->culture = mono_mempool_strdup (domain->mp, info->culture);
2356 domain->assembly_bindings = g_slist_append_mempool (domain->mp, domain->assembly_bindings, info_copy);
2359 static inline gboolean
2360 info_major_minor_in_range (MonoAssemblyBindingInfo *info, MonoAssemblyName *aname)
2362 if (!info->has_old_version_bottom)
2365 if (info->old_version_bottom.major > aname->major || info->old_version_bottom.minor > aname->minor)
2368 if (info->has_old_version_top && (info->old_version_top.major < aname->major || info->old_version_top.minor < aname->minor))
2371 /* This is not the nicest way to do it, but it's a by-product of the way parsing is done */
2372 info->major = aname->major;
2373 info->minor = aname->minor;
2378 /* LOCKING: Assumes that we are already locked - both loader and domain locks */
2379 static MonoAssemblyBindingInfo*
2380 get_per_domain_assembly_binding_info (MonoDomain *domain, MonoAssemblyName *aname)
2382 MonoAssemblyBindingInfo *info;
2385 if (!domain->assembly_bindings)
2389 for (list = domain->assembly_bindings; list; list = list->next) {
2391 if (info && !strcmp (aname->name, info->name) && info_major_minor_in_range (info, aname))
2397 if (info->name && info->public_key_token [0] && info->has_old_version_bottom &&
2398 info->has_new_version && assembly_binding_maps_name (info, aname))
2399 info->is_valid = TRUE;
2401 info->is_valid = FALSE;
2407 static MonoAssemblyName*
2408 mono_assembly_apply_binding (MonoAssemblyName *aname, MonoAssemblyName *dest_name)
2410 MonoAssemblyBindingInfo *info, *info2;
2414 if (aname->public_key_token [0] == 0)
2417 domain = mono_domain_get ();
2418 mono_loader_lock ();
2419 info = search_binding_loaded (aname);
2421 mono_domain_lock (domain);
2422 info = get_per_domain_assembly_binding_info (domain, aname);
2423 mono_domain_unlock (domain);
2426 mono_loader_unlock ();
2428 if (!check_policy_versions (info, aname))
2431 mono_assembly_bind_version (info, aname, dest_name);
2435 if (domain && domain->setup && domain->setup->configuration_file) {
2436 mono_domain_lock (domain);
2437 if (!domain->assembly_bindings_parsed) {
2438 gchar *domain_config_file = mono_string_to_utf8 (domain->setup->configuration_file);
2440 mono_config_parse_assembly_bindings (domain_config_file, aname->major, aname->minor, domain, assembly_binding_info_parsed);
2441 domain->assembly_bindings_parsed = TRUE;
2442 g_free (domain_config_file);
2444 mono_domain_unlock (domain);
2446 mono_loader_lock ();
2447 mono_domain_lock (domain);
2448 info2 = get_per_domain_assembly_binding_info (domain, aname);
2451 info = g_memdup (info2, sizeof (MonoAssemblyBindingInfo));
2452 info->name = g_strdup (info2->name);
2453 info->culture = g_strdup (info2->culture);
2454 info->domain_id = domain->domain_id;
2457 mono_domain_unlock (domain);
2458 mono_loader_unlock ();
2462 info = g_new0 (MonoAssemblyBindingInfo, 1);
2463 info->major = aname->major;
2464 info->minor = aname->minor;
2467 if (!info->is_valid) {
2468 ppimage = mono_assembly_load_publisher_policy (aname);
2470 get_publisher_policy_info (ppimage, aname, info);
2471 mono_image_close (ppimage);
2475 /* Define default error value if needed */
2476 if (!info->is_valid) {
2477 info->name = g_strdup (aname->name);
2478 info->culture = g_strdup (aname->culture);
2479 g_strlcpy ((char *)info->public_key_token, (const char *)aname->public_key_token, MONO_PUBLIC_KEY_TOKEN_LENGTH);
2482 mono_loader_lock ();
2483 info2 = search_binding_loaded (aname);
2485 /* This binding was added by another thread
2487 mono_assembly_binding_info_free (info);
2492 loaded_assembly_bindings = g_slist_prepend (loaded_assembly_bindings, info);
2494 mono_loader_unlock ();
2496 if (!info->is_valid || !check_policy_versions (info, aname))
2499 mono_assembly_bind_version (info, aname, dest_name);
2504 * mono_assembly_load_from_gac
2506 * @aname: The assembly name object
2508 static MonoAssembly*
2509 mono_assembly_load_from_gac (MonoAssemblyName *aname, gchar *filename, MonoImageOpenStatus *status, MonoBoolean refonly)
2511 MonoAssembly *result = NULL;
2512 gchar *name, *version, *culture, *fullpath, *subpath;
2517 if (aname->public_key_token [0] == 0) {
2521 if (strstr (aname->name, ".dll")) {
2522 len = strlen (filename) - 4;
2523 name = g_malloc (len);
2524 strncpy (name, aname->name, len);
2526 name = g_strdup (aname->name);
2529 if (aname->culture) {
2530 culture = g_utf8_strdown (aname->culture, -1);
2532 culture = g_strdup ("");
2535 pubtok = g_ascii_strdown ((char*)aname->public_key_token, MONO_PUBLIC_KEY_TOKEN_LENGTH);
2536 version = g_strdup_printf ("%d.%d.%d.%d_%s_%s", aname->major,
2537 aname->minor, aname->build, aname->revision,
2541 subpath = g_build_path (G_DIR_SEPARATOR_S, name, version, filename, NULL);
2546 if (extra_gac_paths) {
2547 paths = extra_gac_paths;
2548 while (!result && *paths) {
2549 fullpath = g_build_path (G_DIR_SEPARATOR_S, *paths, "lib", "mono", "gac", subpath, NULL);
2550 result = mono_assembly_open_full (fullpath, status, refonly);
2557 result->in_gac = TRUE;
2562 fullpath = g_build_path (G_DIR_SEPARATOR_S, mono_assembly_getrootdir (),
2563 "mono", "gac", subpath, NULL);
2564 result = mono_assembly_open_full (fullpath, status, refonly);
2568 result->in_gac = TRUE;
2576 mono_assembly_load_corlib (const MonoRuntimeInfo *runtime, MonoImageOpenStatus *status)
2579 MonoAssemblyName *aname;
2582 /* g_print ("corlib already loaded\n"); */
2586 #if defined(__native_client__)
2587 if (corlibData != NULL && corlibSize != 0) {
2589 /* First "FALSE" instructs mono not to make a copy. */
2590 /* Second "FALSE" says this is not just a ref. */
2591 MonoImage* image = mono_image_open_from_data_full (corlibData, corlibSize, FALSE, &status, FALSE);
2592 if (image == NULL || status != 0)
2593 g_print("mono_image_open_from_data_full failed: %d\n", status);
2594 corlib = mono_assembly_load_from_full (image, "mscorlib", &status, FALSE);
2595 if (corlib == NULL || status != 0)
2596 g_print ("mono_assembly_load_from_full failed: %d\n", status);
2602 aname = mono_assembly_name_new ("mscorlib.dll");
2603 corlib = invoke_assembly_preload_hook (aname, assemblies_path);
2604 mono_assembly_name_free (aname);
2609 if (assemblies_path) {
2610 corlib = load_in_path ("mscorlib.dll", (const char**)assemblies_path, status, FALSE);
2615 /* Load corlib from mono/<version> */
2617 corlib_file = g_build_filename ("mono", runtime->framework_version, "mscorlib.dll", NULL);
2618 if (assemblies_path) {
2619 corlib = load_in_path (corlib_file, (const char**)assemblies_path, status, FALSE);
2621 g_free (corlib_file);
2625 corlib = load_in_path (corlib_file, default_path, status, FALSE);
2626 g_free (corlib_file);
2632 mono_assembly_load_full_nosearch (MonoAssemblyName *aname,
2633 const char *basedir,
2634 MonoImageOpenStatus *status,
2637 MonoAssembly *result;
2638 char *fullpath, *filename;
2639 #ifndef DISABLE_ASSEMBLY_REMAPPING
2640 MonoAssemblyName maped_aname;
2642 MonoAssemblyName maped_name_pp;
2647 #ifndef DISABLE_ASSEMBLY_REMAPPING
2648 aname = mono_assembly_remap_version (aname, &maped_aname);
2651 /* Reflection only assemblies don't get assembly binding */
2653 aname = mono_assembly_apply_binding (aname, &maped_name_pp);
2655 result = mono_assembly_loaded_full (aname, refonly);
2659 result = refonly ? invoke_assembly_refonly_preload_hook (aname, assemblies_path) : invoke_assembly_preload_hook (aname, assemblies_path);
2661 result->in_gac = FALSE;
2665 /* Currently we retrieve the loaded corlib for reflection
2666 * only requests, like a common reflection only assembly
2668 if (strcmp (aname->name, "mscorlib") == 0 || strcmp (aname->name, "mscorlib.dll") == 0) {
2669 return mono_assembly_load_corlib (mono_get_runtime_info (), status);
2672 len = strlen (aname->name);
2673 for (ext_index = 0; ext_index < 2; ext_index ++) {
2674 ext = ext_index == 0 ? ".dll" : ".exe";
2675 if (len > 4 && (!strcmp (aname->name + len - 4, ".dll") || !strcmp (aname->name + len - 4, ".exe"))) {
2676 filename = g_strdup (aname->name);
2677 /* Don't try appending .dll/.exe if it already has one of those extensions */
2680 filename = g_strconcat (aname->name, ext, NULL);
2683 result = mono_assembly_load_from_gac (aname, filename, status, refonly);
2690 fullpath = g_build_filename (basedir, filename, NULL);
2691 result = mono_assembly_open_full (fullpath, status, refonly);
2694 result->in_gac = FALSE;
2700 result = load_in_path (filename, default_path, status, refonly);
2702 result->in_gac = FALSE;
2712 * mono_assembly_load_full:
2713 * @aname: A MonoAssemblyName with the assembly name to load.
2714 * @basedir: A directory to look up the assembly at.
2715 * @status: a pointer to a MonoImageOpenStatus to return the status of the load operation
2716 * @refonly: Whether this assembly is being opened in "reflection-only" mode.
2718 * Loads the assembly referenced by @aname, if the value of @basedir is not NULL, it
2719 * attempts to load the assembly from that directory before probing the standard locations.
2721 * If the assembly is being opened in reflection-only mode (@refonly set to TRUE) then no
2722 * assembly binding takes place.
2724 * Returns: the assembly referenced by @aname loaded or NULL on error. On error the
2725 * value pointed by status is updated with an error code.
2728 mono_assembly_load_full (MonoAssemblyName *aname, const char *basedir, MonoImageOpenStatus *status, gboolean refonly)
2730 MonoAssembly *result = mono_assembly_load_full_nosearch (aname, basedir, status, refonly);
2733 /* Try a postload search hook */
2734 result = mono_assembly_invoke_search_hook_internal (aname, refonly, TRUE);
2739 * mono_assembly_load:
2740 * @aname: A MonoAssemblyName with the assembly name to load.
2741 * @basedir: A directory to look up the assembly at.
2742 * @status: a pointer to a MonoImageOpenStatus to return the status of the load operation
2744 * Loads the assembly referenced by @aname, if the value of @basedir is not NULL, it
2745 * attempts to load the assembly from that directory before probing the standard locations.
2747 * Returns: the assembly referenced by @aname loaded or NULL on error. On error the
2748 * value pointed by status is updated with an error code.
2751 mono_assembly_load (MonoAssemblyName *aname, const char *basedir, MonoImageOpenStatus *status)
2753 return mono_assembly_load_full (aname, basedir, status, FALSE);
2757 mono_assembly_loaded_full (MonoAssemblyName *aname, gboolean refonly)
2760 #ifndef DISABLE_ASSEMBLY_REMAPPING
2761 MonoAssemblyName maped_aname;
2763 aname = mono_assembly_remap_version (aname, &maped_aname);
2766 res = mono_assembly_invoke_search_hook_internal (aname, refonly, FALSE);
2772 * mono_assembly_loaded:
2773 * @aname: an assembly to look for.
2775 * Returns: NULL If the given @aname assembly has not been loaded, or a pointer to
2776 * a MonoAssembly that matches the MonoAssemblyName specified.
2779 mono_assembly_loaded (MonoAssemblyName *aname)
2781 return mono_assembly_loaded_full (aname, FALSE);
2785 * Returns whether mono_assembly_close_finish() must be called as
2786 * well. See comment for mono_image_close_except_pools() for why we
2787 * unload in two steps.
2790 mono_assembly_close_except_image_pools (MonoAssembly *assembly)
2793 g_return_val_if_fail (assembly != NULL, FALSE);
2795 if (assembly == REFERENCE_MISSING)
2798 /* Might be 0 already */
2799 if (InterlockedDecrement (&assembly->ref_count) > 0)
2802 mono_profiler_assembly_event (assembly, MONO_PROFILE_START_UNLOAD);
2804 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_ASSEMBLY, "Unloading assembly %s [%p].", assembly->aname.name, assembly);
2806 mono_debug_close_image (assembly->image);
2808 mono_assemblies_lock ();
2809 loaded_assemblies = g_list_remove (loaded_assemblies, assembly);
2810 mono_assemblies_unlock ();
2812 assembly->image->assembly = NULL;
2814 if (!mono_image_close_except_pools (assembly->image))
2815 assembly->image = NULL;
2817 for (tmp = assembly->friend_assembly_names; tmp; tmp = tmp->next) {
2818 MonoAssemblyName *fname = tmp->data;
2819 mono_assembly_name_free (fname);
2822 g_slist_free (assembly->friend_assembly_names);
2823 g_free (assembly->basedir);
2825 mono_profiler_assembly_event (assembly, MONO_PROFILE_END_UNLOAD);
2831 mono_assembly_close_finish (MonoAssembly *assembly)
2833 g_assert (assembly && assembly != REFERENCE_MISSING);
2835 if (assembly->image)
2836 mono_image_close_finish (assembly->image);
2838 if (assembly->dynamic) {
2839 g_free ((char*)assembly->aname.culture);
2846 * mono_assembly_close:
2847 * @assembly: the assembly to release.
2849 * This method releases a reference to the @assembly. The assembly is
2850 * only released when all the outstanding references to it are released.
2853 mono_assembly_close (MonoAssembly *assembly)
2855 if (mono_assembly_close_except_image_pools (assembly))
2856 mono_assembly_close_finish (assembly);
2860 mono_assembly_load_module (MonoAssembly *assembly, guint32 idx)
2862 return mono_image_load_file_for_image (assembly->image, idx);
2866 mono_assembly_foreach (GFunc func, gpointer user_data)
2871 * We make a copy of the list to avoid calling the callback inside the
2872 * lock, which could lead to deadlocks.
2874 mono_assemblies_lock ();
2875 copy = g_list_copy (loaded_assemblies);
2876 mono_assemblies_unlock ();
2878 g_list_foreach (loaded_assemblies, func, user_data);
2884 * mono_assemblies_cleanup:
2886 * Free all resources used by this module.
2889 mono_assemblies_cleanup (void)
2893 DeleteCriticalSection (&assemblies_mutex);
2895 for (l = loaded_assembly_bindings; l; l = l->next) {
2896 MonoAssemblyBindingInfo *info = l->data;
2898 mono_assembly_binding_info_free (info);
2901 g_slist_free (loaded_assembly_bindings);
2903 free_assembly_load_hooks ();
2904 free_assembly_search_hooks ();
2905 free_assembly_preload_hooks ();
2908 /*LOCKING assumes loader lock is held*/
2910 mono_assembly_cleanup_domain_bindings (guint32 domain_id)
2912 GSList **iter = &loaded_assembly_bindings;
2916 MonoAssemblyBindingInfo *info = l->data;
2918 if (info->domain_id == domain_id) {
2920 mono_assembly_binding_info_free (info);
2930 * Holds the assembly of the application, for
2931 * System.Diagnostics.Process::MainModule
2933 static MonoAssembly *main_assembly=NULL;
2936 mono_assembly_set_main (MonoAssembly *assembly)
2938 main_assembly = assembly;
2942 * mono_assembly_get_main:
2944 * Returns: the assembly for the application, the first assembly that is loaded by the VM
2947 mono_assembly_get_main (void)
2949 return (main_assembly);
2953 * mono_assembly_get_image:
2954 * @assembly: The assembly to retrieve the image from
2956 * Returns: the MonoImage associated with this assembly.
2959 mono_assembly_get_image (MonoAssembly *assembly)
2961 return assembly->image;
2965 mono_register_bundled_assemblies (const MonoBundledAssembly **assemblies)
2967 bundles = assemblies;
2970 #define MONO_DECLSEC_FORMAT_10 0x3C
2971 #define MONO_DECLSEC_FORMAT_20 0x2E
2972 #define MONO_DECLSEC_FIELD 0x53
2973 #define MONO_DECLSEC_PROPERTY 0x54
2975 #define SKIP_VISIBILITY_XML_ATTRIBUTE ("\"SkipVerification\"")
2976 #define SKIP_VISIBILITY_ATTRIBUTE_NAME ("System.Security.Permissions.SecurityPermissionAttribute")
2977 #define SKIP_VISIBILITY_ATTRIBUTE_SIZE (sizeof (SKIP_VISIBILITY_ATTRIBUTE_NAME) - 1)
2978 #define SKIP_VISIBILITY_PROPERTY_NAME ("SkipVerification")
2979 #define SKIP_VISIBILITY_PROPERTY_SIZE (sizeof (SKIP_VISIBILITY_PROPERTY_NAME) - 1)
2982 mono_assembly_try_decode_skip_verification_param (const char *p, const char **resp, gboolean *abort_decoding)
2986 case MONO_DECLSEC_PROPERTY:
2988 case MONO_DECLSEC_FIELD:
2990 *abort_decoding = TRUE;
2995 if (*p++ != MONO_TYPE_BOOLEAN) {
2996 *abort_decoding = TRUE;
3000 /* property name length */
3001 len = mono_metadata_decode_value (p, &p);
3003 if (len >= SKIP_VISIBILITY_PROPERTY_SIZE && !memcmp (p, SKIP_VISIBILITY_PROPERTY_NAME, SKIP_VISIBILITY_PROPERTY_SIZE)) {
3014 mono_assembly_try_decode_skip_verification (const char *p, const char *endn)
3016 int i, j, num, len, params_len;
3018 if (*p == MONO_DECLSEC_FORMAT_10) {
3019 gsize read, written;
3020 char *res = g_convert (p, endn - p, "UTF-8", "UTF-16LE", &read, &written, NULL);
3022 gboolean found = strstr (res, SKIP_VISIBILITY_XML_ATTRIBUTE) != NULL;
3028 if (*p++ != MONO_DECLSEC_FORMAT_20)
3031 /* number of encoded permission attributes */
3032 num = mono_metadata_decode_value (p, &p);
3033 for (i = 0; i < num; ++i) {
3034 gboolean is_valid = FALSE;
3035 gboolean abort_decoding = FALSE;
3037 /* attribute name length */
3038 len = mono_metadata_decode_value (p, &p);
3040 /* We don't really need to fully decode the type. Comparing the name is enough */
3041 is_valid = len >= SKIP_VISIBILITY_ATTRIBUTE_SIZE && !memcmp (p, SKIP_VISIBILITY_ATTRIBUTE_NAME, SKIP_VISIBILITY_ATTRIBUTE_SIZE);
3045 /*size of the params table*/
3046 params_len = mono_metadata_decode_value (p, &p);
3048 const char *params_end = p + params_len;
3050 /* number of parameters */
3051 len = mono_metadata_decode_value (p, &p);
3053 for (j = 0; j < len; ++j) {
3054 if (mono_assembly_try_decode_skip_verification_param (p, &p, &abort_decoding))
3070 mono_assembly_has_skip_verification (MonoAssembly *assembly)
3073 guint32 cols [MONO_DECL_SECURITY_SIZE];
3077 if (MONO_SECMAN_FLAG_INIT (assembly->skipverification))
3078 return MONO_SECMAN_FLAG_GET_VALUE (assembly->skipverification);
3080 t = &assembly->image->tables [MONO_TABLE_DECLSECURITY];
3082 for (i = 0; i < t->rows; ++i) {
3083 mono_metadata_decode_row (t, i, cols, MONO_DECL_SECURITY_SIZE);
3084 if ((cols [MONO_DECL_SECURITY_PARENT] & MONO_HAS_DECL_SECURITY_MASK) != MONO_HAS_DECL_SECURITY_ASSEMBLY)
3086 if (cols [MONO_DECL_SECURITY_ACTION] != SECURITY_ACTION_REQMIN)
3089 blob = mono_metadata_blob_heap (assembly->image, cols [MONO_DECL_SECURITY_PERMISSIONSET]);
3090 len = mono_metadata_decode_blob_size (blob, &blob);
3094 if (mono_assembly_try_decode_skip_verification (blob, blob + len)) {
3095 MONO_SECMAN_FLAG_SET_VALUE (assembly->skipverification, TRUE);
3100 MONO_SECMAN_FLAG_SET_VALUE (assembly->skipverification, FALSE);