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;
199 /* Native Client can't get this info from an environment variable so */
200 /* it's passed in to the runtime, or set manually by embedding code. */
201 #ifdef __native_client__
202 char* nacl_mono_path = NULL;
206 check_path_env (void)
209 char **splitted, **dest;
211 #ifdef __native_client__
212 path = nacl_mono_path;
214 path = g_getenv ("MONO_PATH");
219 splitted = g_strsplit (path, G_SEARCHPATH_SEPARATOR_S, 1000);
221 g_strfreev (assemblies_path);
222 assemblies_path = dest = splitted;
230 if (g_getenv ("MONO_DEBUG") == NULL)
233 splitted = assemblies_path;
235 if (**splitted && !g_file_test (*splitted, G_FILE_TEST_IS_DIR))
236 g_warning ("'%s' in MONO_PATH doesn't exist or has wrong permissions.", *splitted);
243 check_extra_gac_path_env (void) {
245 char **splitted, **dest;
247 path = g_getenv ("MONO_GAC_PREFIX");
251 splitted = g_strsplit (path, G_SEARCHPATH_SEPARATOR_S, 1000);
253 g_strfreev (extra_gac_paths);
254 extra_gac_paths = dest = splitted;
262 if (g_getenv ("MONO_DEBUG") == NULL)
266 if (**splitted && !g_file_test (*splitted, G_FILE_TEST_IS_DIR))
267 g_warning ("'%s' in MONO_GAC_PREFIX doesn't exist or has wrong permissions.", *splitted);
274 assembly_binding_maps_name (MonoAssemblyBindingInfo *info, MonoAssemblyName *aname)
276 if (!info || !info->name)
279 if (strcmp (info->name, aname->name))
282 if (info->major != aname->major || info->minor != aname->minor)
285 if ((info->culture != NULL && info->culture [0]) != (aname->culture != NULL && aname->culture [0]))
288 if (info->culture && aname->culture && strcmp (info->culture, aname->culture))
291 if (!mono_public_tokens_are_equal (info->public_key_token, aname->public_key_token))
298 mono_assembly_binding_info_free (MonoAssemblyBindingInfo *info)
304 g_free (info->culture);
308 get_publisher_policy_info (MonoImage *image, MonoAssemblyName *aname, MonoAssemblyBindingInfo *binding_info)
311 guint32 cols [MONO_MANIFEST_SIZE];
312 const gchar *filename;
313 gchar *subpath, *fullpath;
315 t = &image->tables [MONO_TABLE_MANIFESTRESOURCE];
316 /* MS Impl. accepts policy assemblies with more than
317 * one manifest resource, and only takes the first one */
319 binding_info->is_valid = FALSE;
323 mono_metadata_decode_row (t, 0, cols, MONO_MANIFEST_SIZE);
324 if ((cols [MONO_MANIFEST_IMPLEMENTATION] & MONO_IMPLEMENTATION_MASK) != MONO_IMPLEMENTATION_FILE) {
325 binding_info->is_valid = FALSE;
329 filename = mono_metadata_string_heap (image, cols [MONO_MANIFEST_NAME]);
330 g_assert (filename != NULL);
332 subpath = g_path_get_dirname (image->name);
333 fullpath = g_build_path (G_DIR_SEPARATOR_S, subpath, filename, NULL);
334 mono_config_parse_publisher_policy (fullpath, binding_info);
338 /* Define the optional elements/attributes before checking */
339 if (!binding_info->culture)
340 binding_info->culture = g_strdup ("");
342 /* Check that the most important elements/attributes exist */
343 if (!binding_info->name || !binding_info->public_key_token [0] || !binding_info->has_old_version_bottom ||
344 !binding_info->has_new_version || !assembly_binding_maps_name (binding_info, aname)) {
345 mono_assembly_binding_info_free (binding_info);
346 binding_info->is_valid = FALSE;
350 binding_info->is_valid = TRUE;
354 compare_versions (AssemblyVersionSet *v, MonoAssemblyName *aname)
356 if (v->major > aname->major)
358 else if (v->major < aname->major)
361 if (v->minor > aname->minor)
363 else if (v->minor < aname->minor)
366 if (v->build > aname->build)
368 else if (v->build < aname->build)
371 if (v->revision > aname->revision)
373 else if (v->revision < aname->revision)
380 check_policy_versions (MonoAssemblyBindingInfo *info, MonoAssemblyName *name)
385 /* If has_old_version_top doesn't exist, we don't have an interval */
386 if (!info->has_old_version_top) {
387 if (compare_versions (&info->old_version_bottom, name) == 0)
393 /* Check that the version defined by name is valid for the interval */
394 if (compare_versions (&info->old_version_top, name) < 0)
397 /* We should be greater or equal than the small version */
398 if (compare_versions (&info->old_version_bottom, name) > 0)
405 * mono_assembly_names_equal:
407 * @r: second assembly.
409 * Compares two MonoAssemblyNames and returns whether they are equal.
411 * This compares the names, the cultures, the release version and their
414 * Returns: TRUE if both assembly names are equal.
417 mono_assembly_names_equal (MonoAssemblyName *l, MonoAssemblyName *r)
419 if (!l->name || !r->name)
422 if (strcmp (l->name, r->name))
425 if (l->culture && r->culture && strcmp (l->culture, r->culture))
428 if (l->major != r->major || l->minor != r->minor ||
429 l->build != r->build || l->revision != r->revision)
430 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)))
433 if (!l->public_key_token [0] || !r->public_key_token [0])
436 if (!mono_public_tokens_are_equal (l->public_key_token, r->public_key_token))
442 static MonoAssembly *
443 load_in_path (const char *basename, const char** search_path, MonoImageOpenStatus *status, MonoBoolean refonly)
447 MonoAssembly *result;
449 for (i = 0; search_path [i]; ++i) {
450 fullpath = g_build_filename (search_path [i], basename, NULL);
451 result = mono_assembly_open_full (fullpath, status, refonly);
460 * mono_assembly_setrootdir:
461 * @root_dir: The pathname of the root directory where we will locate assemblies
463 * This routine sets the internal default root directory for looking up
466 * This is used by Windows installations to compute dynamically the
467 * place where the Mono assemblies are located.
471 mono_assembly_setrootdir (const char *root_dir)
474 * Override the MONO_ASSEMBLIES directory configured at compile time.
476 /* Leak if called more than once */
477 default_path [0] = g_strdup (root_dir);
481 * mono_assembly_getrootdir:
483 * Obtains the root directory used for looking up assemblies.
485 * Returns: a string with the directory, this string should not be freed.
487 G_CONST_RETURN gchar *
488 mono_assembly_getrootdir (void)
490 return default_path [0];
495 * @assembly_dir: the base directory for assemblies
496 * @config_dir: the base directory for configuration files
498 * This routine is used internally and by developers embedding
499 * the runtime into their own applications.
501 * There are a number of cases to consider: Mono as a system-installed
502 * package that is available on the location preconfigured or Mono in
503 * a relocated location.
505 * If you are using a system-installed Mono, you can pass NULL
506 * to both parameters. If you are not, you should compute both
507 * directory values and call this routine.
509 * The values for a given PREFIX are:
511 * assembly_dir: PREFIX/lib
512 * config_dir: PREFIX/etc
514 * Notice that embedders that use Mono in a relocated way must
515 * compute the location at runtime, as they will be in control
516 * of where Mono is installed.
519 mono_set_dirs (const char *assembly_dir, const char *config_dir)
521 #if defined (MONO_ASSEMBLIES)
522 if (assembly_dir == NULL)
523 assembly_dir = MONO_ASSEMBLIES;
525 #if defined (MONO_CFG_DIR)
526 if (config_dir == NULL)
527 config_dir = MONO_CFG_DIR;
529 mono_assembly_setrootdir (assembly_dir);
530 mono_set_config_dir (config_dir);
536 compute_base (char *path)
538 char *p = strrchr (path, '/');
542 /* Not a well known Mono executable, we are embedded, cant guess the base */
543 if (strcmp (p, "/mono") && strcmp (p, "/monodis") && strcmp (p, "/mint") && strcmp (p, "/monodiet"))
547 p = strrchr (path, '/');
551 if (strcmp (p, "/bin") != 0)
560 mono_set_dirs (MONO_ASSEMBLIES, MONO_CFG_DIR);
567 char *config, *lib, *mono;
571 * Only /usr prefix is treated specially
573 if (strncmp (exe, MONO_BINDIR, strlen (MONO_BINDIR)) == 0 || (base = compute_base (exe)) == NULL){
578 config = g_build_filename (base, "etc", NULL);
579 lib = g_build_filename (base, "lib", NULL);
580 mono = g_build_filename (lib, "mono/2.0", NULL);
581 if (stat (mono, &buf) == -1)
584 mono_set_dirs (lib, config);
592 #endif /* HOST_WIN32 */
597 * Registers the root directory for the Mono runtime, for Linux and Solaris 10,
598 * this auto-detects the prefix where Mono was installed.
601 mono_set_rootdir (void)
603 #if defined(HOST_WIN32) || (defined(PLATFORM_MACOSX) && !defined(TARGET_ARM))
604 gchar *bindir, *installdir, *root, *name, *resolvedname, *config;
607 name = mono_get_module_file_name ((HMODULE) &__ImageBase);
611 * _NSGetExecutablePath may return -1 to indicate buf is not large
612 * enough, but we ignore that case to avoid having to do extra dynamic
613 * allocation for the path and hope that 4096 is enough - this is
614 * ok in the Linux/Solaris case below at least...
618 guint buf_size = sizeof (buf);
620 if (_NSGetExecutablePath (buf, &buf_size) == 0)
621 name = g_strdup (buf);
630 resolvedname = mono_path_resolve_symlinks (name);
632 bindir = g_path_get_dirname (resolvedname);
633 installdir = g_path_get_dirname (bindir);
634 root = g_build_path (G_DIR_SEPARATOR_S, installdir, "lib", NULL);
636 config = g_build_filename (root, "..", "etc", NULL);
638 mono_set_dirs (root, config);
640 if (g_file_test (root, G_FILE_TEST_EXISTS) && g_file_test (config, G_FILE_TEST_EXISTS))
641 mono_set_dirs (root, config);
651 g_free (resolvedname);
652 #elif defined(DISABLE_MONO_AUTODETECTION)
660 s = readlink ("/proc/self/exe", buf, sizeof (buf)-1);
668 /* Solaris 10 style */
669 str = g_strdup_printf ("/proc/%d/path/a.out", getpid ());
670 s = readlink (str, buf, sizeof (buf)-1);
682 * mono_assemblies_init:
684 * Initialize global variables used by this module.
687 mono_assemblies_init (void)
690 * Initialize our internal paths if we have not been initialized yet.
691 * This happens when embedders use Mono.
693 if (mono_assembly_getrootdir () == NULL)
697 check_extra_gac_path_env ();
699 InitializeCriticalSection (&assemblies_mutex);
703 mono_assembly_fill_assembly_name (MonoImage *image, MonoAssemblyName *aname)
705 MonoTableInfo *t = &image->tables [MONO_TABLE_ASSEMBLY];
706 guint32 cols [MONO_ASSEMBLY_SIZE];
711 mono_metadata_decode_row (t, 0, cols, MONO_ASSEMBLY_SIZE);
714 aname->hash_value = NULL;
715 aname->name = mono_metadata_string_heap (image, cols [MONO_ASSEMBLY_NAME]);
716 aname->culture = mono_metadata_string_heap (image, cols [MONO_ASSEMBLY_CULTURE]);
717 aname->flags = cols [MONO_ASSEMBLY_FLAGS];
718 aname->major = cols [MONO_ASSEMBLY_MAJOR_VERSION];
719 aname->minor = cols [MONO_ASSEMBLY_MINOR_VERSION];
720 aname->build = cols [MONO_ASSEMBLY_BUILD_NUMBER];
721 aname->revision = cols [MONO_ASSEMBLY_REV_NUMBER];
722 aname->hash_alg = cols [MONO_ASSEMBLY_HASH_ALG];
723 if (cols [MONO_ASSEMBLY_PUBLIC_KEY]) {
724 guchar* token = g_malloc (8);
729 pkey = mono_metadata_blob_heap (image, cols [MONO_ASSEMBLY_PUBLIC_KEY]);
730 len = mono_metadata_decode_blob_size (pkey, &pkey);
731 aname->public_key = (guchar*)pkey;
733 mono_digest_get_public_token (token, aname->public_key, len);
734 encoded = encode_public_tok (token, 8);
735 g_strlcpy ((char*)aname->public_key_token, encoded, MONO_PUBLIC_KEY_TOKEN_LENGTH);
741 aname->public_key = NULL;
742 memset (aname->public_key_token, 0, MONO_PUBLIC_KEY_TOKEN_LENGTH);
745 if (cols [MONO_ASSEMBLY_PUBLIC_KEY]) {
746 aname->public_key = (guchar*)mono_metadata_blob_heap (image, cols [MONO_ASSEMBLY_PUBLIC_KEY]);
749 aname->public_key = 0;
755 * mono_stringify_assembly_name:
756 * @aname: the assembly name.
758 * Convert @aname into its string format. The returned string is dynamically
759 * allocated and should be freed by the caller.
761 * Returns: a newly allocated string with a string representation of
765 mono_stringify_assembly_name (MonoAssemblyName *aname)
767 const char *quote = (aname->name && g_ascii_isspace (aname->name [0])) ? "\"" : "";
769 return g_strdup_printf (
770 "%s%s%s, Version=%d.%d.%d.%d, Culture=%s, PublicKeyToken=%s%s",
771 quote, aname->name, quote,
772 aname->major, aname->minor, aname->build, aname->revision,
773 aname->culture && *aname->culture? aname->culture: "neutral",
774 aname->public_key_token [0] ? (char *)aname->public_key_token : "null",
775 (aname->flags & ASSEMBLYREF_RETARGETABLE_FLAG) ? ", Retargetable=Yes" : "");
779 assemblyref_public_tok (MonoImage *image, guint32 key_index, guint32 flags)
781 const gchar *public_tok;
784 public_tok = mono_metadata_blob_heap (image, key_index);
785 len = mono_metadata_decode_blob_size (public_tok, &public_tok);
787 if (flags & ASSEMBLYREF_FULL_PUBLIC_KEY_FLAG) {
789 mono_digest_get_public_token (token, (guchar*)public_tok, len);
790 return encode_public_tok (token, 8);
793 return encode_public_tok ((guchar*)public_tok, len);
797 * mono_assembly_addref:
798 * @assemnly: the assembly to reference
800 * This routine increments the reference count on a MonoAssembly.
801 * The reference count is reduced every time the method mono_assembly_close() is
805 mono_assembly_addref (MonoAssembly *assembly)
807 InterlockedIncrement (&assembly->ref_count);
810 #ifndef DISABLE_ASSEMBLY_REMAPPING
811 static MonoAssemblyName *
812 mono_assembly_remap_version (MonoAssemblyName *aname, MonoAssemblyName *dest_aname)
814 const MonoRuntimeInfo *current_runtime;
815 int pos, first, last;
817 if (aname->name == NULL) return aname;
818 current_runtime = mono_get_runtime_info ();
821 last = G_N_ELEMENTS (framework_assemblies) - 1;
823 while (first <= last) {
825 pos = first + (last - first) / 2;
826 res = strcmp (aname->name, framework_assemblies[pos].assembly_name);
828 const AssemblyVersionSet* vset;
829 int index = framework_assemblies[pos].version_set_index;
830 g_assert (index < G_N_ELEMENTS (current_runtime->version_sets));
831 vset = ¤t_runtime->version_sets [index];
833 if (aname->major == vset->major && aname->minor == vset->minor &&
834 aname->build == vset->build && aname->revision == vset->revision)
837 if ((aname->major | aname->minor | aname->build | aname->revision) != 0)
838 mono_trace (G_LOG_LEVEL_WARNING, MONO_TRACE_ASSEMBLY,
839 "The request to load the assembly %s v%d.%d.%d.%d was remapped to v%d.%d.%d.%d",
841 aname->major, aname->minor, aname->build, aname->revision,
842 vset->major, vset->minor, vset->build, vset->revision
845 memcpy (dest_aname, aname, sizeof(MonoAssemblyName));
846 dest_aname->major = vset->major;
847 dest_aname->minor = vset->minor;
848 dest_aname->build = vset->build;
849 dest_aname->revision = vset->revision;
851 } else if (res < 0) {
862 * mono_assembly_get_assemblyref:
864 * Fill out ANAME with the assembly name of the INDEXth assembly reference in IMAGE.
867 mono_assembly_get_assemblyref (MonoImage *image, int index, MonoAssemblyName *aname)
870 guint32 cols [MONO_ASSEMBLYREF_SIZE];
873 t = &image->tables [MONO_TABLE_ASSEMBLYREF];
875 mono_metadata_decode_row (t, index, cols, MONO_ASSEMBLYREF_SIZE);
877 hash = mono_metadata_blob_heap (image, cols [MONO_ASSEMBLYREF_HASH_VALUE]);
878 aname->hash_len = mono_metadata_decode_blob_size (hash, &hash);
879 aname->hash_value = hash;
880 aname->name = mono_metadata_string_heap (image, cols [MONO_ASSEMBLYREF_NAME]);
881 aname->culture = mono_metadata_string_heap (image, cols [MONO_ASSEMBLYREF_CULTURE]);
882 aname->flags = cols [MONO_ASSEMBLYREF_FLAGS];
883 aname->major = cols [MONO_ASSEMBLYREF_MAJOR_VERSION];
884 aname->minor = cols [MONO_ASSEMBLYREF_MINOR_VERSION];
885 aname->build = cols [MONO_ASSEMBLYREF_BUILD_NUMBER];
886 aname->revision = cols [MONO_ASSEMBLYREF_REV_NUMBER];
888 if (cols [MONO_ASSEMBLYREF_PUBLIC_KEY]) {
889 gchar *token = assemblyref_public_tok (image, cols [MONO_ASSEMBLYREF_PUBLIC_KEY], aname->flags);
890 g_strlcpy ((char*)aname->public_key_token, token, MONO_PUBLIC_KEY_TOKEN_LENGTH);
893 memset (aname->public_key_token, 0, MONO_PUBLIC_KEY_TOKEN_LENGTH);
898 mono_assembly_load_reference (MonoImage *image, int index)
900 MonoAssembly *reference;
901 MonoAssemblyName aname;
902 MonoImageOpenStatus status;
905 * image->references is shared between threads, so we need to access
906 * it inside a critical section.
908 mono_assemblies_lock ();
909 if (!image->references) {
910 MonoTableInfo *t = &image->tables [MONO_TABLE_ASSEMBLYREF];
912 image->references = g_new0 (MonoAssembly *, t->rows + 1);
914 reference = image->references [index];
915 mono_assemblies_unlock ();
919 mono_assembly_get_assemblyref (image, index, &aname);
921 if (image->assembly && image->assembly->ref_only) {
922 /* We use the loaded corlib */
923 if (!strcmp (aname.name, "mscorlib"))
924 reference = mono_assembly_load_full (&aname, image->assembly->basedir, &status, FALSE);
926 reference = mono_assembly_loaded_full (&aname, TRUE);
928 /* Try a postload search hook */
929 reference = mono_assembly_invoke_search_hook_internal (&aname, TRUE, TRUE);
933 * Here we must advice that the error was due to
934 * a non loaded reference using the ReflectionOnly api
937 reference = REFERENCE_MISSING;
939 reference = mono_assembly_load (&aname, image->assembly? image->assembly->basedir: NULL, &status);
941 if (reference == NULL){
944 if (status == MONO_IMAGE_ERROR_ERRNO && errno == ENOENT) {
945 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 : "" );
946 } else if (status == MONO_IMAGE_ERROR_ERRNO) {
947 extra_msg = g_strdup_printf ("System error: %s\n", strerror (errno));
948 } else if (status == MONO_IMAGE_MISSING_ASSEMBLYREF) {
949 extra_msg = g_strdup ("Cannot find an assembly referenced from this one.\n");
950 } else if (status == MONO_IMAGE_IMAGE_INVALID) {
951 extra_msg = g_strdup ("The file exists but is not a valid assembly.\n");
953 extra_msg = g_strdup ("");
956 mono_trace (G_LOG_LEVEL_WARNING, MONO_TRACE_ASSEMBLY, "The following assembly referenced from %s could not be loaded:\n"
957 " Assembly: %s (assemblyref_index=%d)\n"
958 " Version: %d.%d.%d.%d\n"
959 " Public Key: %s\n%s",
960 image->name, aname.name, index,
961 aname.major, aname.minor, aname.build, aname.revision,
962 strlen ((char*)aname.public_key_token) == 0 ? "(none)" : (char*)aname.public_key_token, extra_msg);
966 mono_assemblies_lock ();
967 if (reference == NULL) {
968 /* Flag as not found */
969 reference = REFERENCE_MISSING;
972 if (!image->references [index]) {
973 if (reference != REFERENCE_MISSING){
974 mono_assembly_addref (reference);
976 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_ASSEMBLY, "Assembly Ref addref %s[%p] -> %s[%p]: %d",
977 image->assembly->aname.name, image->assembly, reference->aname.name, reference, reference->ref_count);
980 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_ASSEMBLY, "Failed to load assembly %s[%p]\n",
981 image->assembly->aname.name, image->assembly);
984 image->references [index] = reference;
986 mono_assemblies_unlock ();
988 if (image->references [index] != reference) {
989 /* Somebody loaded it before us */
990 mono_assembly_close (reference);
995 mono_assembly_load_references (MonoImage *image, MonoImageOpenStatus *status)
997 /* This is a no-op now but it is part of the embedding API so we can't remove it */
998 *status = MONO_IMAGE_OK;
1001 typedef struct AssemblyLoadHook AssemblyLoadHook;
1002 struct AssemblyLoadHook {
1003 AssemblyLoadHook *next;
1004 MonoAssemblyLoadFunc func;
1008 AssemblyLoadHook *assembly_load_hook = NULL;
1011 mono_assembly_invoke_load_hook (MonoAssembly *ass)
1013 AssemblyLoadHook *hook;
1015 for (hook = assembly_load_hook; hook; hook = hook->next) {
1016 hook->func (ass, hook->user_data);
1021 mono_install_assembly_load_hook (MonoAssemblyLoadFunc func, gpointer user_data)
1023 AssemblyLoadHook *hook;
1025 g_return_if_fail (func != NULL);
1027 hook = g_new0 (AssemblyLoadHook, 1);
1029 hook->user_data = user_data;
1030 hook->next = assembly_load_hook;
1031 assembly_load_hook = hook;
1035 free_assembly_load_hooks (void)
1037 AssemblyLoadHook *hook, *next;
1039 for (hook = assembly_load_hook; hook; hook = next) {
1045 typedef struct AssemblySearchHook AssemblySearchHook;
1046 struct AssemblySearchHook {
1047 AssemblySearchHook *next;
1048 MonoAssemblySearchFunc func;
1054 AssemblySearchHook *assembly_search_hook = NULL;
1056 static MonoAssembly*
1057 mono_assembly_invoke_search_hook_internal (MonoAssemblyName *aname, gboolean refonly, gboolean postload)
1059 AssemblySearchHook *hook;
1061 for (hook = assembly_search_hook; hook; hook = hook->next) {
1062 if ((hook->refonly == refonly) && (hook->postload == postload)) {
1063 MonoAssembly *ass = hook->func (aname, hook->user_data);
1073 mono_assembly_invoke_search_hook (MonoAssemblyName *aname)
1075 return mono_assembly_invoke_search_hook_internal (aname, FALSE, FALSE);
1079 mono_install_assembly_search_hook_internal (MonoAssemblySearchFunc func, gpointer user_data, gboolean refonly, gboolean postload)
1081 AssemblySearchHook *hook;
1083 g_return_if_fail (func != NULL);
1085 hook = g_new0 (AssemblySearchHook, 1);
1087 hook->user_data = user_data;
1088 hook->refonly = refonly;
1089 hook->postload = postload;
1090 hook->next = assembly_search_hook;
1091 assembly_search_hook = hook;
1095 mono_install_assembly_search_hook (MonoAssemblySearchFunc func, gpointer user_data)
1097 mono_install_assembly_search_hook_internal (func, user_data, FALSE, FALSE);
1101 free_assembly_search_hooks (void)
1103 AssemblySearchHook *hook, *next;
1105 for (hook = assembly_search_hook; hook; hook = next) {
1112 mono_install_assembly_refonly_search_hook (MonoAssemblySearchFunc func, gpointer user_data)
1114 mono_install_assembly_search_hook_internal (func, user_data, TRUE, FALSE);
1118 mono_install_assembly_postload_search_hook (MonoAssemblySearchFunc func, gpointer user_data)
1120 mono_install_assembly_search_hook_internal (func, user_data, FALSE, TRUE);
1124 mono_install_assembly_postload_refonly_search_hook (MonoAssemblySearchFunc func, gpointer user_data)
1126 mono_install_assembly_search_hook_internal (func, user_data, TRUE, TRUE);
1129 typedef struct AssemblyPreLoadHook AssemblyPreLoadHook;
1130 struct AssemblyPreLoadHook {
1131 AssemblyPreLoadHook *next;
1132 MonoAssemblyPreLoadFunc func;
1136 static AssemblyPreLoadHook *assembly_preload_hook = NULL;
1137 static AssemblyPreLoadHook *assembly_refonly_preload_hook = NULL;
1139 static MonoAssembly *
1140 invoke_assembly_preload_hook (MonoAssemblyName *aname, gchar **assemblies_path)
1142 AssemblyPreLoadHook *hook;
1143 MonoAssembly *assembly;
1145 for (hook = assembly_preload_hook; hook; hook = hook->next) {
1146 assembly = hook->func (aname, assemblies_path, hook->user_data);
1147 if (assembly != NULL)
1154 static MonoAssembly *
1155 invoke_assembly_refonly_preload_hook (MonoAssemblyName *aname, gchar **assemblies_path)
1157 AssemblyPreLoadHook *hook;
1158 MonoAssembly *assembly;
1160 for (hook = assembly_refonly_preload_hook; hook; hook = hook->next) {
1161 assembly = hook->func (aname, assemblies_path, hook->user_data);
1162 if (assembly != NULL)
1170 mono_install_assembly_preload_hook (MonoAssemblyPreLoadFunc func, gpointer user_data)
1172 AssemblyPreLoadHook *hook;
1174 g_return_if_fail (func != NULL);
1176 hook = g_new0 (AssemblyPreLoadHook, 1);
1178 hook->user_data = user_data;
1179 hook->next = assembly_preload_hook;
1180 assembly_preload_hook = hook;
1184 mono_install_assembly_refonly_preload_hook (MonoAssemblyPreLoadFunc func, gpointer user_data)
1186 AssemblyPreLoadHook *hook;
1188 g_return_if_fail (func != NULL);
1190 hook = g_new0 (AssemblyPreLoadHook, 1);
1192 hook->user_data = user_data;
1193 hook->next = assembly_refonly_preload_hook;
1194 assembly_refonly_preload_hook = hook;
1198 free_assembly_preload_hooks (void)
1200 AssemblyPreLoadHook *hook, *next;
1202 for (hook = assembly_preload_hook; hook; hook = next) {
1207 for (hook = assembly_refonly_preload_hook; hook; hook = next) {
1214 absolute_dir (const gchar *filename)
1225 if (g_path_is_absolute (filename)) {
1226 part = g_path_get_dirname (filename);
1227 res = g_strconcat (part, G_DIR_SEPARATOR_S, NULL);
1232 cwd = g_get_current_dir ();
1233 mixed = g_build_filename (cwd, filename, NULL);
1234 parts = g_strsplit (mixed, G_DIR_SEPARATOR_S, 0);
1239 for (i = 0; (part = parts [i]) != NULL; i++) {
1240 if (!strcmp (part, "."))
1243 if (!strcmp (part, "..")) {
1244 if (list && list->next) /* Don't remove root */
1245 list = g_list_delete_link (list, list);
1247 list = g_list_prepend (list, part);
1251 result = g_string_new ("");
1252 list = g_list_reverse (list);
1254 /* Ignores last data pointer, which should be the filename */
1255 for (tmp = list; tmp && tmp->next != NULL; tmp = tmp->next){
1257 g_string_append_printf (result, "%s%c", (char *) tmp->data,
1262 g_string_free (result, FALSE);
1267 return g_strdup (".");
1274 * mono_assembly_open_from_bundle:
1275 * @filename: Filename requested
1276 * @status: return value
1278 * This routine tries to open the assembly specified by `filename' from the
1279 * defined bundles, if found, returns the MonoImage for it, if not found
1283 mono_assembly_open_from_bundle (const char *filename, MonoImageOpenStatus *status, gboolean refonly)
1287 MonoImage *image = NULL;
1290 * we do a very simple search for bundled assemblies: it's not a general
1291 * purpose assembly loading mechanism.
1297 name = g_path_get_basename (filename);
1299 mono_assemblies_lock ();
1300 for (i = 0; !image && bundles [i]; ++i) {
1301 if (strcmp (bundles [i]->name, name) == 0) {
1302 image = mono_image_open_from_data_with_name ((char*)bundles [i]->data, bundles [i]->size, FALSE, status, refonly, name);
1306 mono_assemblies_unlock ();
1309 mono_image_addref (image);
1316 mono_assembly_open_full (const char *filename, MonoImageOpenStatus *status, gboolean refonly)
1320 MonoImageOpenStatus def_status;
1324 g_return_val_if_fail (filename != NULL, NULL);
1327 status = &def_status;
1328 *status = MONO_IMAGE_OK;
1330 if (strncmp (filename, "file://", 7) == 0) {
1331 GError *error = NULL;
1332 gchar *uri = (gchar *) filename;
1336 * MS allows file://c:/... and fails on file://localhost/c:/...
1337 * They also throw an IndexOutOfRangeException if "file://"
1340 uri = g_strdup_printf ("file:///%s", uri + 7);
1343 uri = mono_escape_uri_string (tmpuri);
1344 fname = g_filename_from_uri (uri, NULL, &error);
1347 if (tmpuri != filename)
1350 if (error != NULL) {
1351 g_warning ("%s\n", error->message);
1352 g_error_free (error);
1353 fname = g_strdup (filename);
1356 fname = g_strdup (filename);
1359 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_ASSEMBLY,
1360 "Assembly Loader probing location: '%s'.", fname);
1363 if (!mono_assembly_is_in_gac (fname))
1364 new_fname = mono_make_shadow_copy (fname);
1365 if (new_fname && new_fname != fname) {
1368 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_ASSEMBLY,
1369 "Assembly Loader shadow-copied assembly to: '%s'.", fname);
1374 if (bundles != NULL)
1375 image = mono_assembly_open_from_bundle (fname, status, refonly);
1378 image = mono_image_open_full (fname, status, refonly);
1381 if (*status == MONO_IMAGE_OK)
1382 *status = MONO_IMAGE_ERROR_ERRNO;
1387 if (image->assembly) {
1388 /* Already loaded by another appdomain */
1389 mono_assembly_invoke_load_hook (image->assembly);
1390 mono_image_close (image);
1392 return image->assembly;
1395 ass = mono_assembly_load_from_full (image, fname, status, refonly);
1398 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_ASSEMBLY,
1399 "Assembly Loader loaded assembly from location: '%s'.", filename);
1401 mono_config_for_assembly (ass->image);
1404 /* Clear the reference added by mono_image_open */
1405 mono_image_close (image);
1413 free_item (gpointer val, gpointer user_data)
1419 * mono_assembly_load_friends:
1422 * Load the list of friend assemblies that are allowed to access
1423 * the assembly's internal types and members. They are stored as assembly
1424 * names in custom attributes.
1426 * This is an internal method, we need this because when we load mscorlib
1427 * we do not have the mono_defaults.internals_visible_class loaded yet,
1428 * so we need to load these after we initialize the runtime.
1430 * LOCKING: Acquires the assemblies lock plus the loader lock.
1433 mono_assembly_load_friends (MonoAssembly* ass)
1436 MonoCustomAttrInfo* attrs;
1439 if (ass->friend_assembly_names_inited)
1442 attrs = mono_custom_attrs_from_assembly (ass);
1444 mono_assemblies_lock ();
1445 ass->friend_assembly_names_inited = TRUE;
1446 mono_assemblies_unlock ();
1450 mono_assemblies_lock ();
1451 if (ass->friend_assembly_names_inited) {
1452 mono_assemblies_unlock ();
1455 mono_assemblies_unlock ();
1459 * We build the list outside the assemblies lock, the worse that can happen
1460 * is that we'll need to free the allocated list.
1462 for (i = 0; i < attrs->num_attrs; ++i) {
1463 MonoCustomAttrEntry *attr = &attrs->attrs [i];
1464 MonoAssemblyName *aname;
1467 /* Do some sanity checking */
1468 if (!attr->ctor || attr->ctor->klass != mono_defaults.internals_visible_class)
1470 if (attr->data_size < 4)
1472 data = (const char*)attr->data;
1473 /* 0xFF means null string, see custom attr format */
1474 if (data [0] != 1 || data [1] != 0 || (data [2] & 0xFF) == 0xFF)
1476 slen = mono_metadata_decode_value (data + 2, &data);
1477 aname = g_new0 (MonoAssemblyName, 1);
1478 /*g_print ("friend ass: %s\n", data);*/
1479 if (mono_assembly_name_parse_full (data, aname, TRUE, NULL, NULL)) {
1480 list = g_slist_prepend (list, aname);
1485 mono_custom_attrs_free (attrs);
1487 mono_assemblies_lock ();
1488 if (ass->friend_assembly_names_inited) {
1489 mono_assemblies_unlock ();
1490 g_slist_foreach (list, free_item, NULL);
1491 g_slist_free (list);
1494 ass->friend_assembly_names = list;
1496 /* Because of the double checked locking pattern above */
1497 mono_memory_barrier ();
1498 ass->friend_assembly_names_inited = TRUE;
1499 mono_assemblies_unlock ();
1503 * mono_assembly_open:
1504 * @filename: Opens the assembly pointed out by this name
1505 * @status: where a status code can be returned
1507 * mono_assembly_open opens the PE-image pointed by @filename, and
1508 * loads any external assemblies referenced by it.
1510 * Return: a pointer to the MonoAssembly if @filename contains a valid
1511 * assembly or NULL on error. Details about the error are stored in the
1515 mono_assembly_open (const char *filename, MonoImageOpenStatus *status)
1517 return mono_assembly_open_full (filename, status, FALSE);
1521 mono_assembly_load_from_full (MonoImage *image, const char*fname,
1522 MonoImageOpenStatus *status, gboolean refonly)
1524 MonoAssembly *ass, *ass2;
1527 if (!image->tables [MONO_TABLE_ASSEMBLY].rows) {
1528 /* 'image' doesn't have a manifest -- maybe someone is trying to Assembly.Load a .netmodule */
1529 *status = MONO_IMAGE_IMAGE_INVALID;
1533 #if defined (HOST_WIN32)
1538 tmp_fn = g_strdup (fname);
1539 for (i = strlen (tmp_fn) - 1; i >= 0; i--) {
1540 if (tmp_fn [i] == '/')
1544 base_dir = absolute_dir (tmp_fn);
1548 base_dir = absolute_dir (fname);
1552 * Create assembly struct, and enter it into the assembly cache
1554 ass = g_new0 (MonoAssembly, 1);
1555 ass->basedir = base_dir;
1556 ass->ref_only = refonly;
1559 mono_profiler_assembly_event (ass, MONO_PROFILE_START_LOAD);
1561 mono_assembly_fill_assembly_name (image, &ass->aname);
1563 if (mono_defaults.corlib && strcmp (ass->aname.name, "mscorlib") == 0) {
1564 // MS.NET doesn't support loading other mscorlibs
1567 mono_image_addref (mono_defaults.corlib);
1568 *status = MONO_IMAGE_OK;
1569 return mono_defaults.corlib->assembly;
1572 /* Add a non-temporary reference because of ass->image */
1573 mono_image_addref (image);
1575 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);
1578 * The load hooks might take locks so we can't call them while holding the
1581 if (ass->aname.name) {
1582 ass2 = mono_assembly_invoke_search_hook_internal (&ass->aname, refonly, FALSE);
1586 mono_image_close (image);
1587 *status = MONO_IMAGE_OK;
1592 mono_assemblies_lock ();
1594 if (image->assembly) {
1596 * This means another thread has already loaded the assembly, but not yet
1597 * called the load hooks so the search hook can't find the assembly.
1599 mono_assemblies_unlock ();
1600 ass2 = image->assembly;
1603 mono_image_close (image);
1604 *status = MONO_IMAGE_OK;
1608 image->assembly = ass;
1610 loaded_assemblies = g_list_prepend (loaded_assemblies, ass);
1611 mono_assemblies_unlock ();
1614 if (image->is_module_handle)
1615 mono_image_fixup_vtable (image);
1618 mono_assembly_invoke_load_hook (ass);
1620 mono_profiler_assembly_loaded (ass, MONO_PROFILE_OK);
1626 mono_assembly_load_from (MonoImage *image, const char *fname,
1627 MonoImageOpenStatus *status)
1629 return mono_assembly_load_from_full (image, fname, status, FALSE);
1633 * mono_assembly_name_free:
1634 * @aname: assembly name to free
1636 * Frees the provided assembly name object.
1637 * (it does not frees the object itself, only the name members).
1640 mono_assembly_name_free (MonoAssemblyName *aname)
1645 g_free ((void *) aname->name);
1646 g_free ((void *) aname->culture);
1647 g_free ((void *) aname->hash_value);
1651 parse_public_key (const gchar *key, gchar** pubkey)
1654 gchar header [16], val, *arr;
1655 gint i, j, offset, bitlen, keylen, pkeylen;
1657 keylen = strlen (key) >> 1;
1661 val = g_ascii_xdigit_value (key [0]) << 4;
1662 val |= g_ascii_xdigit_value (key [1]);
1667 val = g_ascii_xdigit_value (key [24]);
1668 val |= g_ascii_xdigit_value (key [25]);
1680 /* We need the first 16 bytes
1681 * to check whether this key is valid or not */
1682 pkeylen = strlen (pkey) >> 1;
1686 for (i = 0, j = 0; i < 16; i++) {
1687 header [i] = g_ascii_xdigit_value (pkey [j++]) << 4;
1688 header [i] |= g_ascii_xdigit_value (pkey [j++]);
1691 if (header [0] != 0x06 || /* PUBLICKEYBLOB (0x06) */
1692 header [1] != 0x02 || /* Version (0x02) */
1693 header [2] != 0x00 || /* Reserved (word) */
1694 header [3] != 0x00 ||
1695 (guint)(read32 (header + 8)) != 0x31415352) /* DWORD magic = RSA1 */
1698 /* Based on this length, we _should_ be able to know if the length is right */
1699 bitlen = read32 (header + 12) >> 3;
1700 if ((bitlen + 16 + 4) != pkeylen)
1703 /* parsing is OK and the public key itself is not requested back */
1707 /* Encode the size of the blob */
1709 if (keylen <= 127) {
1710 arr = g_malloc (keylen + 1);
1711 arr [offset++] = keylen;
1713 arr = g_malloc (keylen + 2);
1714 arr [offset++] = 0x80; /* 10bs */
1715 arr [offset++] = keylen;
1718 for (i = offset, j = 0; i < keylen + offset; i++) {
1719 arr [i] = g_ascii_xdigit_value (key [j++]) << 4;
1720 arr [i] |= g_ascii_xdigit_value (key [j++]);
1729 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)
1731 gint major, minor, build, revision;
1734 gchar *pkey, *pkeyptr, *encoded, tok [8];
1736 memset (aname, 0, sizeof (MonoAssemblyName));
1739 version_parts = sscanf (version, "%u.%u.%u.%u", &major, &minor, &build, &revision);
1740 if (version_parts < 2 || version_parts > 4)
1743 /* FIXME: we should set build & revision to -1 (instead of 0)
1744 if these are not set in the version string. That way, later on,
1745 we can still determine if these were specified. */
1746 aname->major = major;
1747 aname->minor = minor;
1748 if (version_parts >= 3)
1749 aname->build = build;
1752 if (version_parts == 4)
1753 aname->revision = revision;
1755 aname->revision = 0;
1758 aname->flags = flags;
1760 aname->name = g_strdup (name);
1763 if (g_ascii_strcasecmp (culture, "neutral") == 0)
1764 aname->culture = g_strdup ("");
1766 aname->culture = g_strdup (culture);
1769 if (token && strncmp (token, "null", 4) != 0) {
1772 /* the constant includes the ending NULL, hence the -1 */
1773 if (strlen (token) != (MONO_PUBLIC_KEY_TOKEN_LENGTH - 1)) {
1774 mono_assembly_name_free (aname);
1777 lower = g_ascii_strdown (token, MONO_PUBLIC_KEY_TOKEN_LENGTH);
1778 g_strlcpy ((char*)aname->public_key_token, lower, MONO_PUBLIC_KEY_TOKEN_LENGTH);
1783 if (strcmp (key, "null") == 0 || !parse_public_key (key, &pkey)) {
1784 mono_assembly_name_free (aname);
1788 len = mono_metadata_decode_blob_size ((const gchar *) pkey, (const gchar **) &pkeyptr);
1789 // We also need to generate the key token
1790 mono_digest_get_public_token ((guchar*) tok, (guint8*) pkeyptr, len);
1791 encoded = encode_public_tok ((guchar*) tok, 8);
1792 g_strlcpy ((gchar*)aname->public_key_token, encoded, MONO_PUBLIC_KEY_TOKEN_LENGTH);
1795 if (save_public_key)
1796 aname->public_key = (guint8*) pkey;
1805 parse_assembly_directory_name (const char *name, const char *dirname, MonoAssemblyName *aname)
1810 parts = g_strsplit (dirname, "_", 3);
1811 if (!parts || !parts[0] || !parts[1] || !parts[2]) {
1816 res = build_assembly_name (name, parts[0], parts[1], parts[2], NULL, 0, 0, aname, FALSE);
1822 mono_assembly_name_parse_full (const char *name, MonoAssemblyName *aname, gboolean save_public_key, gboolean *is_version_defined, gboolean *is_token_defined)
1825 gchar *version = NULL;
1826 gchar *culture = NULL;
1827 gchar *token = NULL;
1829 gchar *retargetable = NULL;
1834 gboolean version_defined;
1835 gboolean token_defined;
1837 guint32 arch = PROCESSOR_ARCHITECTURE_NONE;
1839 if (!is_version_defined)
1840 is_version_defined = &version_defined;
1841 *is_version_defined = FALSE;
1842 if (!is_token_defined)
1843 is_token_defined = &token_defined;
1844 *is_token_defined = FALSE;
1846 parts = tmp = g_strsplit (name, ",", 6);
1847 if (!tmp || !*tmp) {
1852 dllname = g_strstrip (*tmp);
1857 value = g_strstrip (*tmp);
1858 if (!g_ascii_strncasecmp (value, "Version=", 8)) {
1859 *is_version_defined = TRUE;
1860 version = g_strstrip (value + 8);
1861 if (strlen (version) == 0) {
1862 goto cleanup_and_fail;
1868 if (!g_ascii_strncasecmp (value, "Culture=", 8)) {
1869 culture = g_strstrip (value + 8);
1870 if (strlen (culture) == 0) {
1871 goto cleanup_and_fail;
1877 if (!g_ascii_strncasecmp (value, "PublicKeyToken=", 15)) {
1878 *is_token_defined = TRUE;
1879 token = g_strstrip (value + 15);
1880 if (strlen (token) == 0) {
1881 goto cleanup_and_fail;
1887 if (!g_ascii_strncasecmp (value, "PublicKey=", 10)) {
1888 key = g_strstrip (value + 10);
1889 if (strlen (key) == 0) {
1890 goto cleanup_and_fail;
1896 if (!g_ascii_strncasecmp (value, "Retargetable=", 13)) {
1897 retargetable = g_strstrip (value + 13);
1898 if (strlen (retargetable) == 0) {
1899 goto cleanup_and_fail;
1901 if (!g_ascii_strcasecmp (retargetable, "yes")) {
1902 flags |= ASSEMBLYREF_RETARGETABLE_FLAG;
1903 } else if (g_ascii_strcasecmp (retargetable, "no")) {
1904 goto cleanup_and_fail;
1910 if (!g_ascii_strncasecmp (value, "ProcessorArchitecture=", 22)) {
1911 char *s = g_strstrip (value + 22);
1912 if (!g_ascii_strcasecmp (s, "None"))
1913 arch = PROCESSOR_ARCHITECTURE_NONE;
1914 else if (!g_ascii_strcasecmp (s, "MSIL"))
1915 arch = PROCESSOR_ARCHITECTURE_MSIL;
1916 else if (!g_ascii_strcasecmp (s, "X86"))
1917 arch = PROCESSOR_ARCHITECTURE_X86;
1918 else if (!g_ascii_strcasecmp (s, "IA64"))
1919 arch = PROCESSOR_ARCHITECTURE_IA64;
1920 else if (!g_ascii_strcasecmp (s, "AMD64"))
1921 arch = PROCESSOR_ARCHITECTURE_AMD64;
1923 goto cleanup_and_fail;
1932 /* if retargetable flag is set, then we must have a fully qualified name */
1933 if (retargetable != NULL && (version == NULL || culture == NULL || (key == NULL && token == NULL))) {
1934 goto cleanup_and_fail;
1937 res = build_assembly_name (dllname, version, culture, token, key, flags, arch,
1938 aname, save_public_key);
1948 * mono_assembly_name_parse:
1949 * @name: name to parse
1950 * @aname: the destination assembly name
1952 * Parses an assembly qualified type name and assigns the name,
1953 * version, culture and token to the provided assembly name object.
1955 * Returns: true if the name could be parsed.
1958 mono_assembly_name_parse (const char *name, MonoAssemblyName *aname)
1960 return mono_assembly_name_parse_full (name, aname, FALSE, NULL, NULL);
1964 * mono_assembly_name_new:
1965 * @name: name to parse
1967 * Allocate a new MonoAssemblyName and fill its values from the
1970 * Returns: a newly allocated structure or NULL if there was any failure.
1973 mono_assembly_name_new (const char *name)
1975 MonoAssemblyName *aname = g_new0 (MonoAssemblyName, 1);
1976 if (mono_assembly_name_parse (name, aname))
1983 mono_assembly_name_get_name (MonoAssemblyName *aname)
1989 mono_assembly_name_get_culture (MonoAssemblyName *aname)
1991 return aname->culture;
1995 mono_assembly_name_get_pubkeytoken (MonoAssemblyName *aname)
1997 if (aname->public_key_token [0])
1998 return aname->public_key_token;
2003 mono_assembly_name_get_version (MonoAssemblyName *aname, uint16_t *minor, uint16_t *build, uint16_t *revision)
2006 *minor = aname->minor;
2008 *build = aname->build;
2010 *revision = aname->revision;
2011 return aname->major;
2014 static MonoAssembly*
2015 probe_for_partial_name (const char *basepath, const char *fullname, MonoAssemblyName *aname, MonoImageOpenStatus *status)
2017 gchar *fullpath = NULL;
2019 const char* direntry;
2020 MonoAssemblyName gac_aname;
2021 gint major=-1, minor=0, build=0, revision=0;
2022 gboolean exact_version;
2024 dirhandle = g_dir_open (basepath, 0, NULL);
2028 exact_version = (aname->major | aname->minor | aname->build | aname->revision) != 0;
2030 while ((direntry = g_dir_read_name (dirhandle))) {
2031 gboolean match = TRUE;
2033 if(!parse_assembly_directory_name (aname->name, direntry, &gac_aname))
2036 if (aname->culture != NULL && strcmp (aname->culture, gac_aname.culture) != 0)
2039 if (match && strlen ((char*)aname->public_key_token) > 0 &&
2040 !mono_public_tokens_are_equal (aname->public_key_token, gac_aname.public_key_token))
2044 if (exact_version) {
2045 match = (aname->major == gac_aname.major && aname->minor == gac_aname.minor &&
2046 aname->build == gac_aname.build && aname->revision == gac_aname.revision);
2048 else if (gac_aname.major < major)
2050 else if (gac_aname.major == major) {
2051 if (gac_aname.minor < minor)
2053 else if (gac_aname.minor == minor) {
2054 if (gac_aname.build < build)
2056 else if (gac_aname.build == build && gac_aname.revision <= revision)
2063 major = gac_aname.major;
2064 minor = gac_aname.minor;
2065 build = gac_aname.build;
2066 revision = gac_aname.revision;
2068 fullpath = g_build_path (G_DIR_SEPARATOR_S, basepath, direntry, fullname, NULL);
2071 mono_assembly_name_free (&gac_aname);
2074 g_dir_close (dirhandle);
2076 if (fullpath == NULL)
2079 MonoAssembly *res = mono_assembly_open (fullpath, status);
2086 mono_assembly_load_with_partial_name (const char *name, MonoImageOpenStatus *status)
2089 MonoAssemblyName *aname, base_name;
2090 #ifndef DISABLE_ASSEMBLY_REMAPPING
2091 MonoAssemblyName maped_aname;
2093 gchar *fullname, *gacpath;
2096 memset (&base_name, 0, sizeof (MonoAssemblyName));
2099 if (!mono_assembly_name_parse (name, aname))
2102 #ifndef DISABLE_ASSEMBLY_REMAPPING
2104 * If no specific version has been requested, make sure we load the
2105 * correct version for system assemblies.
2107 if ((aname->major | aname->minor | aname->build | aname->revision) == 0)
2108 aname = mono_assembly_remap_version (aname, &maped_aname);
2111 res = mono_assembly_loaded (aname);
2113 mono_assembly_name_free (aname);
2117 res = invoke_assembly_preload_hook (aname, assemblies_path);
2119 res->in_gac = FALSE;
2120 mono_assembly_name_free (aname);
2124 fullname = g_strdup_printf ("%s.dll", aname->name);
2126 if (extra_gac_paths) {
2127 paths = extra_gac_paths;
2128 while (!res && *paths) {
2129 gacpath = g_build_path (G_DIR_SEPARATOR_S, *paths, "lib", "mono", "gac", aname->name, NULL);
2130 res = probe_for_partial_name (gacpath, fullname, aname, status);
2139 mono_assembly_name_free (aname);
2143 gacpath = g_build_path (G_DIR_SEPARATOR_S, mono_assembly_getrootdir (), "mono", "gac", aname->name, NULL);
2144 res = probe_for_partial_name (gacpath, fullname, aname, status);
2150 MonoDomain *domain = mono_domain_get ();
2151 MonoReflectionAssembly *refasm = mono_try_assembly_resolve (domain, mono_string_new (domain, name), FALSE);
2153 res = refasm->assembly;
2157 mono_assembly_name_free (aname);
2163 mono_assembly_is_in_gac (const gchar *filename)
2165 const gchar *rootdir;
2169 if (filename == NULL)
2172 for (paths = extra_gac_paths; paths && *paths; paths++) {
2173 if (strstr (*paths, filename) != *paths)
2176 gp = (gchar *) (filename + strlen (*paths));
2177 if (*gp != G_DIR_SEPARATOR)
2180 if (strncmp (gp, "lib", 3))
2183 if (*gp != G_DIR_SEPARATOR)
2186 if (strncmp (gp, "mono", 4))
2189 if (*gp != G_DIR_SEPARATOR)
2192 if (strncmp (gp, "gac", 3))
2195 if (*gp != G_DIR_SEPARATOR)
2201 rootdir = mono_assembly_getrootdir ();
2202 if (strstr (filename, rootdir) != filename)
2205 gp = (gchar *) (filename + strlen (rootdir));
2206 if (*gp != G_DIR_SEPARATOR)
2209 if (strncmp (gp, "mono", 4))
2212 if (*gp != G_DIR_SEPARATOR)
2215 if (strncmp (gp, "gac", 3))
2218 if (*gp != G_DIR_SEPARATOR)
2224 mono_assembly_load_publisher_policy (MonoAssemblyName *aname)
2227 gchar *filename, *pname, *name, *culture, *version, *fullpath, *subpath;
2231 if (strstr (aname->name, ".dll")) {
2232 len = strlen (aname->name) - 4;
2233 name = g_malloc (len);
2234 strncpy (name, aname->name, len);
2236 name = g_strdup (aname->name);
2239 culture = g_utf8_strdown (aname->culture, -1);
2241 culture = g_strdup ("");
2243 pname = g_strdup_printf ("policy.%d.%d.%s", aname->major, aname->minor, name);
2244 version = g_strdup_printf ("0.0.0.0_%s_%s", culture, aname->public_key_token);
2248 filename = g_strconcat (pname, ".dll", NULL);
2249 subpath = g_build_path (G_DIR_SEPARATOR_S, pname, version, filename, NULL);
2255 if (extra_gac_paths) {
2256 paths = extra_gac_paths;
2257 while (!image && *paths) {
2258 fullpath = g_build_path (G_DIR_SEPARATOR_S, *paths,
2259 "lib", "mono", "gac", subpath, NULL);
2260 image = mono_image_open (fullpath, NULL);
2271 fullpath = g_build_path (G_DIR_SEPARATOR_S, mono_assembly_getrootdir (),
2272 "mono", "gac", subpath, NULL);
2273 image = mono_image_open (fullpath, NULL);
2280 static MonoAssemblyName*
2281 mono_assembly_bind_version (MonoAssemblyBindingInfo *info, MonoAssemblyName *aname, MonoAssemblyName *dest_name)
2283 memcpy (dest_name, aname, sizeof (MonoAssemblyName));
2284 dest_name->major = info->new_version.major;
2285 dest_name->minor = info->new_version.minor;
2286 dest_name->build = info->new_version.build;
2287 dest_name->revision = info->new_version.revision;
2292 /* LOCKING: Assumes that we are already locked */
2293 static MonoAssemblyBindingInfo*
2294 search_binding_loaded (MonoAssemblyName *aname)
2298 for (tmp = loaded_assembly_bindings; tmp; tmp = tmp->next) {
2299 MonoAssemblyBindingInfo *info = tmp->data;
2300 if (assembly_binding_maps_name (info, aname))
2307 static inline gboolean
2308 info_compare_versions (AssemblyVersionSet *left, AssemblyVersionSet *right)
2310 if (left->major != right->major || left->minor != right->minor ||
2311 left->build != right->build || left->revision != right->revision)
2317 static inline gboolean
2318 info_versions_equal (MonoAssemblyBindingInfo *left, MonoAssemblyBindingInfo *right)
2320 if (left->has_old_version_bottom != right->has_old_version_bottom)
2323 if (left->has_old_version_top != right->has_old_version_top)
2326 if (left->has_new_version != right->has_new_version)
2329 if (left->has_old_version_bottom && !info_compare_versions (&left->old_version_bottom, &right->old_version_bottom))
2332 if (left->has_old_version_top && !info_compare_versions (&left->old_version_top, &right->old_version_top))
2335 if (left->has_new_version && !info_compare_versions (&left->new_version, &right->new_version))
2341 /* LOCKING: assumes all the necessary locks are held */
2343 assembly_binding_info_parsed (MonoAssemblyBindingInfo *info, void *user_data)
2345 MonoAssemblyBindingInfo *info_copy;
2347 MonoAssemblyBindingInfo *info_tmp;
2348 MonoDomain *domain = (MonoDomain*)user_data;
2353 for (tmp = domain->assembly_bindings; tmp; tmp = tmp->next) {
2354 info_tmp = tmp->data;
2355 if (strcmp (info->name, info_tmp->name) == 0 && info_versions_equal (info, info_tmp))
2359 info_copy = mono_mempool_alloc0 (domain->mp, sizeof (MonoAssemblyBindingInfo));
2360 memcpy (info_copy, info, sizeof (MonoAssemblyBindingInfo));
2362 info_copy->name = mono_mempool_strdup (domain->mp, info->name);
2364 info_copy->culture = mono_mempool_strdup (domain->mp, info->culture);
2366 domain->assembly_bindings = g_slist_append_mempool (domain->mp, domain->assembly_bindings, info_copy);
2369 static inline gboolean
2370 info_major_minor_in_range (MonoAssemblyBindingInfo *info, MonoAssemblyName *aname)
2372 if (!info->has_old_version_bottom)
2375 if (info->old_version_bottom.major > aname->major || info->old_version_bottom.minor > aname->minor)
2378 if (info->has_old_version_top && (info->old_version_top.major < aname->major || info->old_version_top.minor < aname->minor))
2381 /* This is not the nicest way to do it, but it's a by-product of the way parsing is done */
2382 info->major = aname->major;
2383 info->minor = aname->minor;
2388 /* LOCKING: Assumes that we are already locked - both loader and domain locks */
2389 static MonoAssemblyBindingInfo*
2390 get_per_domain_assembly_binding_info (MonoDomain *domain, MonoAssemblyName *aname)
2392 MonoAssemblyBindingInfo *info;
2395 if (!domain->assembly_bindings)
2399 for (list = domain->assembly_bindings; list; list = list->next) {
2401 if (info && !strcmp (aname->name, info->name) && info_major_minor_in_range (info, aname))
2407 if (info->name && info->public_key_token [0] && info->has_old_version_bottom &&
2408 info->has_new_version && assembly_binding_maps_name (info, aname))
2409 info->is_valid = TRUE;
2411 info->is_valid = FALSE;
2417 static MonoAssemblyName*
2418 mono_assembly_apply_binding (MonoAssemblyName *aname, MonoAssemblyName *dest_name)
2420 MonoAssemblyBindingInfo *info, *info2;
2424 if (aname->public_key_token [0] == 0)
2427 domain = mono_domain_get ();
2428 mono_loader_lock ();
2429 info = search_binding_loaded (aname);
2431 mono_domain_lock (domain);
2432 info = get_per_domain_assembly_binding_info (domain, aname);
2433 mono_domain_unlock (domain);
2436 mono_loader_unlock ();
2438 if (!check_policy_versions (info, aname))
2441 mono_assembly_bind_version (info, aname, dest_name);
2445 if (domain && domain->setup && domain->setup->configuration_file) {
2446 mono_domain_lock (domain);
2447 if (!domain->assembly_bindings_parsed) {
2448 gchar *domain_config_file = mono_string_to_utf8 (domain->setup->configuration_file);
2450 mono_config_parse_assembly_bindings (domain_config_file, aname->major, aname->minor, domain, assembly_binding_info_parsed);
2451 domain->assembly_bindings_parsed = TRUE;
2452 g_free (domain_config_file);
2454 mono_domain_unlock (domain);
2456 mono_loader_lock ();
2457 mono_domain_lock (domain);
2458 info2 = get_per_domain_assembly_binding_info (domain, aname);
2461 info = g_memdup (info2, sizeof (MonoAssemblyBindingInfo));
2462 info->name = g_strdup (info2->name);
2463 info->culture = g_strdup (info2->culture);
2464 info->domain_id = domain->domain_id;
2467 mono_domain_unlock (domain);
2468 mono_loader_unlock ();
2472 info = g_new0 (MonoAssemblyBindingInfo, 1);
2473 info->major = aname->major;
2474 info->minor = aname->minor;
2477 if (!info->is_valid) {
2478 ppimage = mono_assembly_load_publisher_policy (aname);
2480 get_publisher_policy_info (ppimage, aname, info);
2481 mono_image_close (ppimage);
2485 /* Define default error value if needed */
2486 if (!info->is_valid) {
2487 info->name = g_strdup (aname->name);
2488 info->culture = g_strdup (aname->culture);
2489 g_strlcpy ((char *)info->public_key_token, (const char *)aname->public_key_token, MONO_PUBLIC_KEY_TOKEN_LENGTH);
2492 mono_loader_lock ();
2493 info2 = search_binding_loaded (aname);
2495 /* This binding was added by another thread
2497 mono_assembly_binding_info_free (info);
2502 loaded_assembly_bindings = g_slist_prepend (loaded_assembly_bindings, info);
2504 mono_loader_unlock ();
2506 if (!info->is_valid || !check_policy_versions (info, aname))
2509 mono_assembly_bind_version (info, aname, dest_name);
2514 * mono_assembly_load_from_gac
2516 * @aname: The assembly name object
2518 static MonoAssembly*
2519 mono_assembly_load_from_gac (MonoAssemblyName *aname, gchar *filename, MonoImageOpenStatus *status, MonoBoolean refonly)
2521 MonoAssembly *result = NULL;
2522 gchar *name, *version, *culture, *fullpath, *subpath;
2527 if (aname->public_key_token [0] == 0) {
2531 if (strstr (aname->name, ".dll")) {
2532 len = strlen (filename) - 4;
2533 name = g_malloc (len);
2534 strncpy (name, aname->name, len);
2536 name = g_strdup (aname->name);
2539 if (aname->culture) {
2540 culture = g_utf8_strdown (aname->culture, -1);
2542 culture = g_strdup ("");
2545 pubtok = g_ascii_strdown ((char*)aname->public_key_token, MONO_PUBLIC_KEY_TOKEN_LENGTH);
2546 version = g_strdup_printf ("%d.%d.%d.%d_%s_%s", aname->major,
2547 aname->minor, aname->build, aname->revision,
2551 subpath = g_build_path (G_DIR_SEPARATOR_S, name, version, filename, NULL);
2556 if (extra_gac_paths) {
2557 paths = extra_gac_paths;
2558 while (!result && *paths) {
2559 fullpath = g_build_path (G_DIR_SEPARATOR_S, *paths, "lib", "mono", "gac", subpath, NULL);
2560 result = mono_assembly_open_full (fullpath, status, refonly);
2567 result->in_gac = TRUE;
2572 fullpath = g_build_path (G_DIR_SEPARATOR_S, mono_assembly_getrootdir (),
2573 "mono", "gac", subpath, NULL);
2574 result = mono_assembly_open_full (fullpath, status, refonly);
2578 result->in_gac = TRUE;
2586 mono_assembly_load_corlib (const MonoRuntimeInfo *runtime, MonoImageOpenStatus *status)
2589 MonoAssemblyName *aname;
2592 /* g_print ("corlib already loaded\n"); */
2596 #if defined(__native_client__)
2597 if (corlibData != NULL && corlibSize != 0) {
2599 /* First "FALSE" instructs mono not to make a copy. */
2600 /* Second "FALSE" says this is not just a ref. */
2601 MonoImage* image = mono_image_open_from_data_full (corlibData, corlibSize, FALSE, &status, FALSE);
2602 if (image == NULL || status != 0)
2603 g_print("mono_image_open_from_data_full failed: %d\n", status);
2604 corlib = mono_assembly_load_from_full (image, "mscorlib", &status, FALSE);
2605 if (corlib == NULL || status != 0)
2606 g_print ("mono_assembly_load_from_full failed: %d\n", status);
2612 aname = mono_assembly_name_new ("mscorlib.dll");
2613 corlib = invoke_assembly_preload_hook (aname, assemblies_path);
2614 mono_assembly_name_free (aname);
2619 if (assemblies_path) {
2620 corlib = load_in_path ("mscorlib.dll", (const char**)assemblies_path, status, FALSE);
2625 /* Load corlib from mono/<version> */
2627 corlib_file = g_build_filename ("mono", runtime->framework_version, "mscorlib.dll", NULL);
2628 if (assemblies_path) {
2629 corlib = load_in_path (corlib_file, (const char**)assemblies_path, status, FALSE);
2631 g_free (corlib_file);
2635 corlib = load_in_path (corlib_file, default_path, status, FALSE);
2636 g_free (corlib_file);
2642 mono_assembly_load_full_nosearch (MonoAssemblyName *aname,
2643 const char *basedir,
2644 MonoImageOpenStatus *status,
2647 MonoAssembly *result;
2648 char *fullpath, *filename;
2649 #ifndef DISABLE_ASSEMBLY_REMAPPING
2650 MonoAssemblyName maped_aname;
2652 MonoAssemblyName maped_name_pp;
2657 #ifndef DISABLE_ASSEMBLY_REMAPPING
2658 aname = mono_assembly_remap_version (aname, &maped_aname);
2661 /* Reflection only assemblies don't get assembly binding */
2663 aname = mono_assembly_apply_binding (aname, &maped_name_pp);
2665 result = mono_assembly_loaded_full (aname, refonly);
2669 result = refonly ? invoke_assembly_refonly_preload_hook (aname, assemblies_path) : invoke_assembly_preload_hook (aname, assemblies_path);
2671 result->in_gac = FALSE;
2675 /* Currently we retrieve the loaded corlib for reflection
2676 * only requests, like a common reflection only assembly
2678 if (strcmp (aname->name, "mscorlib") == 0 || strcmp (aname->name, "mscorlib.dll") == 0) {
2679 return mono_assembly_load_corlib (mono_get_runtime_info (), status);
2682 len = strlen (aname->name);
2683 for (ext_index = 0; ext_index < 2; ext_index ++) {
2684 ext = ext_index == 0 ? ".dll" : ".exe";
2685 if (len > 4 && (!strcmp (aname->name + len - 4, ".dll") || !strcmp (aname->name + len - 4, ".exe"))) {
2686 filename = g_strdup (aname->name);
2687 /* Don't try appending .dll/.exe if it already has one of those extensions */
2690 filename = g_strconcat (aname->name, ext, NULL);
2693 result = mono_assembly_load_from_gac (aname, filename, status, refonly);
2700 fullpath = g_build_filename (basedir, filename, NULL);
2701 result = mono_assembly_open_full (fullpath, status, refonly);
2704 result->in_gac = FALSE;
2710 result = load_in_path (filename, default_path, status, refonly);
2712 result->in_gac = FALSE;
2722 * mono_assembly_load_full:
2723 * @aname: A MonoAssemblyName with the assembly name to load.
2724 * @basedir: A directory to look up the assembly at.
2725 * @status: a pointer to a MonoImageOpenStatus to return the status of the load operation
2726 * @refonly: Whether this assembly is being opened in "reflection-only" mode.
2728 * Loads the assembly referenced by @aname, if the value of @basedir is not NULL, it
2729 * attempts to load the assembly from that directory before probing the standard locations.
2731 * If the assembly is being opened in reflection-only mode (@refonly set to TRUE) then no
2732 * assembly binding takes place.
2734 * Returns: the assembly referenced by @aname loaded or NULL on error. On error the
2735 * value pointed by status is updated with an error code.
2738 mono_assembly_load_full (MonoAssemblyName *aname, const char *basedir, MonoImageOpenStatus *status, gboolean refonly)
2740 MonoAssembly *result = mono_assembly_load_full_nosearch (aname, basedir, status, refonly);
2743 /* Try a postload search hook */
2744 result = mono_assembly_invoke_search_hook_internal (aname, refonly, TRUE);
2749 * mono_assembly_load:
2750 * @aname: A MonoAssemblyName with the assembly name to load.
2751 * @basedir: A directory to look up the assembly at.
2752 * @status: a pointer to a MonoImageOpenStatus to return the status of the load operation
2754 * Loads the assembly referenced by @aname, if the value of @basedir is not NULL, it
2755 * attempts to load the assembly from that directory before probing the standard locations.
2757 * Returns: the assembly referenced by @aname loaded or NULL on error. On error the
2758 * value pointed by status is updated with an error code.
2761 mono_assembly_load (MonoAssemblyName *aname, const char *basedir, MonoImageOpenStatus *status)
2763 return mono_assembly_load_full (aname, basedir, status, FALSE);
2767 mono_assembly_loaded_full (MonoAssemblyName *aname, gboolean refonly)
2770 #ifndef DISABLE_ASSEMBLY_REMAPPING
2771 MonoAssemblyName maped_aname;
2773 aname = mono_assembly_remap_version (aname, &maped_aname);
2776 res = mono_assembly_invoke_search_hook_internal (aname, refonly, FALSE);
2782 * mono_assembly_loaded:
2783 * @aname: an assembly to look for.
2785 * Returns: NULL If the given @aname assembly has not been loaded, or a pointer to
2786 * a MonoAssembly that matches the MonoAssemblyName specified.
2789 mono_assembly_loaded (MonoAssemblyName *aname)
2791 return mono_assembly_loaded_full (aname, FALSE);
2795 * Returns whether mono_assembly_close_finish() must be called as
2796 * well. See comment for mono_image_close_except_pools() for why we
2797 * unload in two steps.
2800 mono_assembly_close_except_image_pools (MonoAssembly *assembly)
2803 g_return_val_if_fail (assembly != NULL, FALSE);
2805 if (assembly == REFERENCE_MISSING)
2808 /* Might be 0 already */
2809 if (InterlockedDecrement (&assembly->ref_count) > 0)
2812 mono_profiler_assembly_event (assembly, MONO_PROFILE_START_UNLOAD);
2814 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_ASSEMBLY, "Unloading assembly %s [%p].", assembly->aname.name, assembly);
2816 mono_debug_close_image (assembly->image);
2818 mono_assemblies_lock ();
2819 loaded_assemblies = g_list_remove (loaded_assemblies, assembly);
2820 mono_assemblies_unlock ();
2822 assembly->image->assembly = NULL;
2824 if (!mono_image_close_except_pools (assembly->image))
2825 assembly->image = NULL;
2827 for (tmp = assembly->friend_assembly_names; tmp; tmp = tmp->next) {
2828 MonoAssemblyName *fname = tmp->data;
2829 mono_assembly_name_free (fname);
2832 g_slist_free (assembly->friend_assembly_names);
2833 g_free (assembly->basedir);
2835 mono_profiler_assembly_event (assembly, MONO_PROFILE_END_UNLOAD);
2841 mono_assembly_close_finish (MonoAssembly *assembly)
2843 g_assert (assembly && assembly != REFERENCE_MISSING);
2845 if (assembly->image)
2846 mono_image_close_finish (assembly->image);
2848 if (assembly->dynamic) {
2849 g_free ((char*)assembly->aname.culture);
2856 * mono_assembly_close:
2857 * @assembly: the assembly to release.
2859 * This method releases a reference to the @assembly. The assembly is
2860 * only released when all the outstanding references to it are released.
2863 mono_assembly_close (MonoAssembly *assembly)
2865 if (mono_assembly_close_except_image_pools (assembly))
2866 mono_assembly_close_finish (assembly);
2870 mono_assembly_load_module (MonoAssembly *assembly, guint32 idx)
2872 return mono_image_load_file_for_image (assembly->image, idx);
2876 mono_assembly_foreach (GFunc func, gpointer user_data)
2881 * We make a copy of the list to avoid calling the callback inside the
2882 * lock, which could lead to deadlocks.
2884 mono_assemblies_lock ();
2885 copy = g_list_copy (loaded_assemblies);
2886 mono_assemblies_unlock ();
2888 g_list_foreach (loaded_assemblies, func, user_data);
2894 * mono_assemblies_cleanup:
2896 * Free all resources used by this module.
2899 mono_assemblies_cleanup (void)
2903 DeleteCriticalSection (&assemblies_mutex);
2905 for (l = loaded_assembly_bindings; l; l = l->next) {
2906 MonoAssemblyBindingInfo *info = l->data;
2908 mono_assembly_binding_info_free (info);
2911 g_slist_free (loaded_assembly_bindings);
2913 free_assembly_load_hooks ();
2914 free_assembly_search_hooks ();
2915 free_assembly_preload_hooks ();
2918 /*LOCKING assumes loader lock is held*/
2920 mono_assembly_cleanup_domain_bindings (guint32 domain_id)
2922 GSList **iter = &loaded_assembly_bindings;
2926 MonoAssemblyBindingInfo *info = l->data;
2928 if (info->domain_id == domain_id) {
2930 mono_assembly_binding_info_free (info);
2940 * Holds the assembly of the application, for
2941 * System.Diagnostics.Process::MainModule
2943 static MonoAssembly *main_assembly=NULL;
2946 mono_assembly_set_main (MonoAssembly *assembly)
2948 main_assembly = assembly;
2952 * mono_assembly_get_main:
2954 * Returns: the assembly for the application, the first assembly that is loaded by the VM
2957 mono_assembly_get_main (void)
2959 return (main_assembly);
2963 * mono_assembly_get_image:
2964 * @assembly: The assembly to retrieve the image from
2966 * Returns: the MonoImage associated with this assembly.
2969 mono_assembly_get_image (MonoAssembly *assembly)
2971 return assembly->image;
2975 mono_register_bundled_assemblies (const MonoBundledAssembly **assemblies)
2977 bundles = assemblies;
2980 #define MONO_DECLSEC_FORMAT_10 0x3C
2981 #define MONO_DECLSEC_FORMAT_20 0x2E
2982 #define MONO_DECLSEC_FIELD 0x53
2983 #define MONO_DECLSEC_PROPERTY 0x54
2985 #define SKIP_VISIBILITY_XML_ATTRIBUTE ("\"SkipVerification\"")
2986 #define SKIP_VISIBILITY_ATTRIBUTE_NAME ("System.Security.Permissions.SecurityPermissionAttribute")
2987 #define SKIP_VISIBILITY_ATTRIBUTE_SIZE (sizeof (SKIP_VISIBILITY_ATTRIBUTE_NAME) - 1)
2988 #define SKIP_VISIBILITY_PROPERTY_NAME ("SkipVerification")
2989 #define SKIP_VISIBILITY_PROPERTY_SIZE (sizeof (SKIP_VISIBILITY_PROPERTY_NAME) - 1)
2992 mono_assembly_try_decode_skip_verification_param (const char *p, const char **resp, gboolean *abort_decoding)
2996 case MONO_DECLSEC_PROPERTY:
2998 case MONO_DECLSEC_FIELD:
3000 *abort_decoding = TRUE;
3005 if (*p++ != MONO_TYPE_BOOLEAN) {
3006 *abort_decoding = TRUE;
3010 /* property name length */
3011 len = mono_metadata_decode_value (p, &p);
3013 if (len >= SKIP_VISIBILITY_PROPERTY_SIZE && !memcmp (p, SKIP_VISIBILITY_PROPERTY_NAME, SKIP_VISIBILITY_PROPERTY_SIZE)) {
3024 mono_assembly_try_decode_skip_verification (const char *p, const char *endn)
3026 int i, j, num, len, params_len;
3028 if (*p == MONO_DECLSEC_FORMAT_10) {
3029 gsize read, written;
3030 char *res = g_convert (p, endn - p, "UTF-8", "UTF-16LE", &read, &written, NULL);
3032 gboolean found = strstr (res, SKIP_VISIBILITY_XML_ATTRIBUTE) != NULL;
3038 if (*p++ != MONO_DECLSEC_FORMAT_20)
3041 /* number of encoded permission attributes */
3042 num = mono_metadata_decode_value (p, &p);
3043 for (i = 0; i < num; ++i) {
3044 gboolean is_valid = FALSE;
3045 gboolean abort_decoding = FALSE;
3047 /* attribute name length */
3048 len = mono_metadata_decode_value (p, &p);
3050 /* We don't really need to fully decode the type. Comparing the name is enough */
3051 is_valid = len >= SKIP_VISIBILITY_ATTRIBUTE_SIZE && !memcmp (p, SKIP_VISIBILITY_ATTRIBUTE_NAME, SKIP_VISIBILITY_ATTRIBUTE_SIZE);
3055 /*size of the params table*/
3056 params_len = mono_metadata_decode_value (p, &p);
3058 const char *params_end = p + params_len;
3060 /* number of parameters */
3061 len = mono_metadata_decode_value (p, &p);
3063 for (j = 0; j < len; ++j) {
3064 if (mono_assembly_try_decode_skip_verification_param (p, &p, &abort_decoding))
3080 mono_assembly_has_skip_verification (MonoAssembly *assembly)
3083 guint32 cols [MONO_DECL_SECURITY_SIZE];
3087 if (MONO_SECMAN_FLAG_INIT (assembly->skipverification))
3088 return MONO_SECMAN_FLAG_GET_VALUE (assembly->skipverification);
3090 t = &assembly->image->tables [MONO_TABLE_DECLSECURITY];
3092 for (i = 0; i < t->rows; ++i) {
3093 mono_metadata_decode_row (t, i, cols, MONO_DECL_SECURITY_SIZE);
3094 if ((cols [MONO_DECL_SECURITY_PARENT] & MONO_HAS_DECL_SECURITY_MASK) != MONO_HAS_DECL_SECURITY_ASSEMBLY)
3096 if (cols [MONO_DECL_SECURITY_ACTION] != SECURITY_ACTION_REQMIN)
3099 blob = mono_metadata_blob_heap (assembly->image, cols [MONO_DECL_SECURITY_PERMISSIONSET]);
3100 len = mono_metadata_decode_blob_size (blob, &blob);
3104 if (mono_assembly_try_decode_skip_verification (blob, blob + len)) {
3105 MONO_SECMAN_FLAG_SET_VALUE (assembly->skipverification, TRUE);
3110 MONO_SECMAN_FLAG_SET_VALUE (assembly->skipverification, FALSE);