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},
115 {"System.Transactions", 2},
117 {"System.Web.Abstractions", 2},
118 {"System.Web.Mobile", 0},
119 {"System.Web.Routing", 2},
120 {"System.Web.Services", 0},
121 {"System.Windows.Forms", 0},
128 * keeps track of loaded assemblies
130 static GList *loaded_assemblies = NULL;
131 static MonoAssembly *corlib;
133 #if defined(__native_client__)
135 /* On Native Client, allow mscorlib to be loaded from memory */
136 /* instead of loaded off disk. If these are not set, default */
137 /* mscorlib loading will take place */
139 /* NOTE: If mscorlib data is passed to mono in this way then */
140 /* it needs to remain allocated during the use of mono. */
142 static void *corlibData = NULL;
143 static size_t corlibSize = 0;
146 mono_set_corlib_data (void *data, size_t size)
154 /* This protects loaded_assemblies and image->references */
155 #define mono_assemblies_lock() EnterCriticalSection (&assemblies_mutex)
156 #define mono_assemblies_unlock() LeaveCriticalSection (&assemblies_mutex)
157 static CRITICAL_SECTION assemblies_mutex;
159 /* If defined, points to the bundled assembly information */
160 const MonoBundledAssembly **bundles;
162 /* Loaded assembly binding info */
163 static GSList *loaded_assembly_bindings = NULL;
166 mono_assembly_invoke_search_hook_internal (MonoAssemblyName *aname, gboolean refonly, gboolean postload);
168 mono_assembly_is_in_gac (const gchar *filanem);
171 encode_public_tok (const guchar *token, gint32 len)
173 const static gchar allowed [] = { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f' };
177 res = g_malloc (len * 2 + 1);
178 for (i = 0; i < len; i++) {
179 res [i * 2] = allowed [token [i] >> 4];
180 res [i * 2 + 1] = allowed [token [i] & 0xF];
187 * mono_public_tokens_are_equal:
188 * @pubt1: first public key token
189 * @pubt2: second public key token
191 * Compare two public key tokens and return #TRUE is they are equal and #FALSE
195 mono_public_tokens_are_equal (const unsigned char *pubt1, const unsigned char *pubt2)
197 return memcmp (pubt1, pubt2, 16) == 0;
200 /* Native Client can't get this info from an environment variable so */
201 /* it's passed in to the runtime, or set manually by embedding code. */
202 #ifdef __native_client__
203 char* nacl_mono_path = NULL;
207 check_path_env (void)
210 char **splitted, **dest;
212 #ifdef __native_client__
213 path = nacl_mono_path;
215 path = g_getenv ("MONO_PATH");
220 splitted = g_strsplit (path, G_SEARCHPATH_SEPARATOR_S, 1000);
222 g_strfreev (assemblies_path);
223 assemblies_path = dest = splitted;
231 if (g_getenv ("MONO_DEBUG") == NULL)
234 splitted = assemblies_path;
236 if (**splitted && !g_file_test (*splitted, G_FILE_TEST_IS_DIR))
237 g_warning ("'%s' in MONO_PATH doesn't exist or has wrong permissions.", *splitted);
244 check_extra_gac_path_env (void) {
246 char **splitted, **dest;
248 path = g_getenv ("MONO_GAC_PREFIX");
252 splitted = g_strsplit (path, G_SEARCHPATH_SEPARATOR_S, 1000);
254 g_strfreev (extra_gac_paths);
255 extra_gac_paths = dest = splitted;
263 if (g_getenv ("MONO_DEBUG") == NULL)
267 if (**splitted && !g_file_test (*splitted, G_FILE_TEST_IS_DIR))
268 g_warning ("'%s' in MONO_GAC_PREFIX doesn't exist or has wrong permissions.", *splitted);
275 assembly_binding_maps_name (MonoAssemblyBindingInfo *info, MonoAssemblyName *aname)
277 if (!info || !info->name)
280 if (strcmp (info->name, aname->name))
283 if (info->major != aname->major || info->minor != aname->minor)
286 if ((info->culture != NULL && info->culture [0]) != (aname->culture != NULL && aname->culture [0]))
289 if (info->culture && aname->culture && strcmp (info->culture, aname->culture))
292 if (!mono_public_tokens_are_equal (info->public_key_token, aname->public_key_token))
299 mono_assembly_binding_info_free (MonoAssemblyBindingInfo *info)
305 g_free (info->culture);
309 get_publisher_policy_info (MonoImage *image, MonoAssemblyName *aname, MonoAssemblyBindingInfo *binding_info)
312 guint32 cols [MONO_MANIFEST_SIZE];
313 const gchar *filename;
314 gchar *subpath, *fullpath;
316 t = &image->tables [MONO_TABLE_MANIFESTRESOURCE];
317 /* MS Impl. accepts policy assemblies with more than
318 * one manifest resource, and only takes the first one */
320 binding_info->is_valid = FALSE;
324 mono_metadata_decode_row (t, 0, cols, MONO_MANIFEST_SIZE);
325 if ((cols [MONO_MANIFEST_IMPLEMENTATION] & MONO_IMPLEMENTATION_MASK) != MONO_IMPLEMENTATION_FILE) {
326 binding_info->is_valid = FALSE;
330 filename = mono_metadata_string_heap (image, cols [MONO_MANIFEST_NAME]);
331 g_assert (filename != NULL);
333 subpath = g_path_get_dirname (image->name);
334 fullpath = g_build_path (G_DIR_SEPARATOR_S, subpath, filename, NULL);
335 mono_config_parse_publisher_policy (fullpath, binding_info);
339 /* Define the optional elements/attributes before checking */
340 if (!binding_info->culture)
341 binding_info->culture = g_strdup ("");
343 /* Check that the most important elements/attributes exist */
344 if (!binding_info->name || !binding_info->public_key_token [0] || !binding_info->has_old_version_bottom ||
345 !binding_info->has_new_version || !assembly_binding_maps_name (binding_info, aname)) {
346 mono_assembly_binding_info_free (binding_info);
347 binding_info->is_valid = FALSE;
351 binding_info->is_valid = TRUE;
355 compare_versions (AssemblyVersionSet *v, MonoAssemblyName *aname)
357 if (v->major > aname->major)
359 else if (v->major < aname->major)
362 if (v->minor > aname->minor)
364 else if (v->minor < aname->minor)
367 if (v->build > aname->build)
369 else if (v->build < aname->build)
372 if (v->revision > aname->revision)
374 else if (v->revision < aname->revision)
381 check_policy_versions (MonoAssemblyBindingInfo *info, MonoAssemblyName *name)
386 /* If has_old_version_top doesn't exist, we don't have an interval */
387 if (!info->has_old_version_top) {
388 if (compare_versions (&info->old_version_bottom, name) == 0)
394 /* Check that the version defined by name is valid for the interval */
395 if (compare_versions (&info->old_version_top, name) < 0)
398 /* We should be greater or equal than the small version */
399 if (compare_versions (&info->old_version_bottom, name) > 0)
406 * mono_assembly_names_equal:
408 * @r: second assembly.
410 * Compares two MonoAssemblyNames and returns whether they are equal.
412 * This compares the names, the cultures, the release version and their
415 * Returns: TRUE if both assembly names are equal.
418 mono_assembly_names_equal (MonoAssemblyName *l, MonoAssemblyName *r)
420 if (!l->name || !r->name)
423 if (strcmp (l->name, r->name))
426 if (l->culture && r->culture && strcmp (l->culture, r->culture))
429 if (l->major != r->major || l->minor != r->minor ||
430 l->build != r->build || l->revision != r->revision)
431 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)))
434 if (!l->public_key_token [0] || !r->public_key_token [0])
437 if (!mono_public_tokens_are_equal (l->public_key_token, r->public_key_token))
443 static MonoAssembly *
444 load_in_path (const char *basename, const char** search_path, MonoImageOpenStatus *status, MonoBoolean refonly)
448 MonoAssembly *result;
450 for (i = 0; search_path [i]; ++i) {
451 fullpath = g_build_filename (search_path [i], basename, NULL);
452 result = mono_assembly_open_full (fullpath, status, refonly);
461 * mono_assembly_setrootdir:
462 * @root_dir: The pathname of the root directory where we will locate assemblies
464 * This routine sets the internal default root directory for looking up
467 * This is used by Windows installations to compute dynamically the
468 * place where the Mono assemblies are located.
472 mono_assembly_setrootdir (const char *root_dir)
475 * Override the MONO_ASSEMBLIES directory configured at compile time.
477 /* Leak if called more than once */
478 default_path [0] = g_strdup (root_dir);
482 * mono_assembly_getrootdir:
484 * Obtains the root directory used for looking up assemblies.
486 * Returns: a string with the directory, this string should not be freed.
488 G_CONST_RETURN gchar *
489 mono_assembly_getrootdir (void)
491 return default_path [0];
496 * @assembly_dir: the base directory for assemblies
497 * @config_dir: the base directory for configuration files
499 * This routine is used internally and by developers embedding
500 * the runtime into their own applications.
502 * There are a number of cases to consider: Mono as a system-installed
503 * package that is available on the location preconfigured or Mono in
504 * a relocated location.
506 * If you are using a system-installed Mono, you can pass NULL
507 * to both parameters. If you are not, you should compute both
508 * directory values and call this routine.
510 * The values for a given PREFIX are:
512 * assembly_dir: PREFIX/lib
513 * config_dir: PREFIX/etc
515 * Notice that embedders that use Mono in a relocated way must
516 * compute the location at runtime, as they will be in control
517 * of where Mono is installed.
520 mono_set_dirs (const char *assembly_dir, const char *config_dir)
522 #if defined (MONO_ASSEMBLIES)
523 if (assembly_dir == NULL)
524 assembly_dir = MONO_ASSEMBLIES;
526 #if defined (MONO_CFG_DIR)
527 if (config_dir == NULL)
528 config_dir = MONO_CFG_DIR;
530 mono_assembly_setrootdir (assembly_dir);
531 mono_set_config_dir (config_dir);
537 compute_base (char *path)
539 char *p = strrchr (path, '/');
543 /* Not a well known Mono executable, we are embedded, cant guess the base */
544 if (strcmp (p, "/mono") && strcmp (p, "/monodis") && strcmp (p, "/mint") && strcmp (p, "/monodiet"))
548 p = strrchr (path, '/');
552 if (strcmp (p, "/bin") != 0)
561 mono_set_dirs (MONO_ASSEMBLIES, MONO_CFG_DIR);
568 char *config, *lib, *mono;
572 * Only /usr prefix is treated specially
574 if (strncmp (exe, MONO_BINDIR, strlen (MONO_BINDIR)) == 0 || (base = compute_base (exe)) == NULL){
579 config = g_build_filename (base, "etc", NULL);
580 lib = g_build_filename (base, "lib", NULL);
581 mono = g_build_filename (lib, "mono/2.0", NULL);
582 if (stat (mono, &buf) == -1)
585 mono_set_dirs (lib, config);
593 #endif /* HOST_WIN32 */
598 * Registers the root directory for the Mono runtime, for Linux and Solaris 10,
599 * this auto-detects the prefix where Mono was installed.
602 mono_set_rootdir (void)
604 #if defined(HOST_WIN32) || (defined(PLATFORM_MACOSX) && !defined(TARGET_ARM))
605 gchar *bindir, *installdir, *root, *name, *resolvedname, *config;
608 name = mono_get_module_file_name ((HMODULE) &__ImageBase);
612 * _NSGetExecutablePath may return -1 to indicate buf is not large
613 * enough, but we ignore that case to avoid having to do extra dynamic
614 * allocation for the path and hope that 4096 is enough - this is
615 * ok in the Linux/Solaris case below at least...
619 guint buf_size = sizeof (buf);
621 if (_NSGetExecutablePath (buf, &buf_size) == 0)
622 name = g_strdup (buf);
631 resolvedname = mono_path_resolve_symlinks (name);
633 bindir = g_path_get_dirname (resolvedname);
634 installdir = g_path_get_dirname (bindir);
635 root = g_build_path (G_DIR_SEPARATOR_S, installdir, "lib", NULL);
637 config = g_build_filename (root, "..", "etc", NULL);
639 mono_set_dirs (root, config);
641 if (g_file_test (root, G_FILE_TEST_EXISTS) && g_file_test (config, G_FILE_TEST_EXISTS))
642 mono_set_dirs (root, config);
652 g_free (resolvedname);
653 #elif defined(DISABLE_MONO_AUTODETECTION)
661 s = readlink ("/proc/self/exe", buf, sizeof (buf)-1);
669 /* Solaris 10 style */
670 str = g_strdup_printf ("/proc/%d/path/a.out", getpid ());
671 s = readlink (str, buf, sizeof (buf)-1);
683 * mono_assemblies_init:
685 * Initialize global variables used by this module.
688 mono_assemblies_init (void)
691 * Initialize our internal paths if we have not been initialized yet.
692 * This happens when embedders use Mono.
694 if (mono_assembly_getrootdir () == NULL)
698 check_extra_gac_path_env ();
700 InitializeCriticalSection (&assemblies_mutex);
704 mono_assembly_fill_assembly_name (MonoImage *image, MonoAssemblyName *aname)
706 MonoTableInfo *t = &image->tables [MONO_TABLE_ASSEMBLY];
707 guint32 cols [MONO_ASSEMBLY_SIZE];
712 mono_metadata_decode_row (t, 0, cols, MONO_ASSEMBLY_SIZE);
715 aname->hash_value = NULL;
716 aname->name = mono_metadata_string_heap (image, cols [MONO_ASSEMBLY_NAME]);
717 aname->culture = mono_metadata_string_heap (image, cols [MONO_ASSEMBLY_CULTURE]);
718 aname->flags = cols [MONO_ASSEMBLY_FLAGS];
719 aname->major = cols [MONO_ASSEMBLY_MAJOR_VERSION];
720 aname->minor = cols [MONO_ASSEMBLY_MINOR_VERSION];
721 aname->build = cols [MONO_ASSEMBLY_BUILD_NUMBER];
722 aname->revision = cols [MONO_ASSEMBLY_REV_NUMBER];
723 aname->hash_alg = cols [MONO_ASSEMBLY_HASH_ALG];
724 if (cols [MONO_ASSEMBLY_PUBLIC_KEY]) {
725 guchar* token = g_malloc (8);
730 pkey = mono_metadata_blob_heap (image, cols [MONO_ASSEMBLY_PUBLIC_KEY]);
731 len = mono_metadata_decode_blob_size (pkey, &pkey);
732 aname->public_key = (guchar*)pkey;
734 mono_digest_get_public_token (token, aname->public_key, len);
735 encoded = encode_public_tok (token, 8);
736 g_strlcpy ((char*)aname->public_key_token, encoded, MONO_PUBLIC_KEY_TOKEN_LENGTH);
742 aname->public_key = NULL;
743 memset (aname->public_key_token, 0, MONO_PUBLIC_KEY_TOKEN_LENGTH);
746 if (cols [MONO_ASSEMBLY_PUBLIC_KEY]) {
747 aname->public_key = (guchar*)mono_metadata_blob_heap (image, cols [MONO_ASSEMBLY_PUBLIC_KEY]);
750 aname->public_key = 0;
756 * mono_stringify_assembly_name:
757 * @aname: the assembly name.
759 * Convert @aname into its string format. The returned string is dynamically
760 * allocated and should be freed by the caller.
762 * Returns: a newly allocated string with a string representation of
766 mono_stringify_assembly_name (MonoAssemblyName *aname)
768 const char *quote = (aname->name && g_ascii_isspace (aname->name [0])) ? "\"" : "";
770 return g_strdup_printf (
771 "%s%s%s, Version=%d.%d.%d.%d, Culture=%s, PublicKeyToken=%s%s",
772 quote, aname->name, quote,
773 aname->major, aname->minor, aname->build, aname->revision,
774 aname->culture && *aname->culture? aname->culture: "neutral",
775 aname->public_key_token [0] ? (char *)aname->public_key_token : "null",
776 (aname->flags & ASSEMBLYREF_RETARGETABLE_FLAG) ? ", Retargetable=Yes" : "");
780 assemblyref_public_tok (MonoImage *image, guint32 key_index, guint32 flags)
782 const gchar *public_tok;
785 public_tok = mono_metadata_blob_heap (image, key_index);
786 len = mono_metadata_decode_blob_size (public_tok, &public_tok);
788 if (flags & ASSEMBLYREF_FULL_PUBLIC_KEY_FLAG) {
790 mono_digest_get_public_token (token, (guchar*)public_tok, len);
791 return encode_public_tok (token, 8);
794 return encode_public_tok ((guchar*)public_tok, len);
798 * mono_assembly_addref:
799 * @assemnly: the assembly to reference
801 * This routine increments the reference count on a MonoAssembly.
802 * The reference count is reduced every time the method mono_assembly_close() is
806 mono_assembly_addref (MonoAssembly *assembly)
808 InterlockedIncrement (&assembly->ref_count);
811 #ifndef DISABLE_ASSEMBLY_REMAPPING
812 static MonoAssemblyName *
813 mono_assembly_remap_version (MonoAssemblyName *aname, MonoAssemblyName *dest_aname)
815 const MonoRuntimeInfo *current_runtime;
816 int pos, first, last;
818 if (aname->name == NULL) return aname;
819 current_runtime = mono_get_runtime_info ();
822 last = G_N_ELEMENTS (framework_assemblies) - 1;
824 while (first <= last) {
826 pos = first + (last - first) / 2;
827 res = strcmp (aname->name, framework_assemblies[pos].assembly_name);
829 const AssemblyVersionSet* vset;
830 int index = framework_assemblies[pos].version_set_index;
831 g_assert (index < G_N_ELEMENTS (current_runtime->version_sets));
832 vset = ¤t_runtime->version_sets [index];
834 if (aname->major == vset->major && aname->minor == vset->minor &&
835 aname->build == vset->build && aname->revision == vset->revision)
838 if ((aname->major | aname->minor | aname->build | aname->revision) != 0)
839 mono_trace (G_LOG_LEVEL_WARNING, MONO_TRACE_ASSEMBLY,
840 "The request to load the assembly %s v%d.%d.%d.%d was remapped to v%d.%d.%d.%d",
842 aname->major, aname->minor, aname->build, aname->revision,
843 vset->major, vset->minor, vset->build, vset->revision
846 memcpy (dest_aname, aname, sizeof(MonoAssemblyName));
847 dest_aname->major = vset->major;
848 dest_aname->minor = vset->minor;
849 dest_aname->build = vset->build;
850 dest_aname->revision = vset->revision;
852 } else if (res < 0) {
863 * mono_assembly_get_assemblyref:
865 * Fill out ANAME with the assembly name of the INDEXth assembly reference in IMAGE.
868 mono_assembly_get_assemblyref (MonoImage *image, int index, MonoAssemblyName *aname)
871 guint32 cols [MONO_ASSEMBLYREF_SIZE];
874 t = &image->tables [MONO_TABLE_ASSEMBLYREF];
876 mono_metadata_decode_row (t, index, cols, MONO_ASSEMBLYREF_SIZE);
878 hash = mono_metadata_blob_heap (image, cols [MONO_ASSEMBLYREF_HASH_VALUE]);
879 aname->hash_len = mono_metadata_decode_blob_size (hash, &hash);
880 aname->hash_value = hash;
881 aname->name = mono_metadata_string_heap (image, cols [MONO_ASSEMBLYREF_NAME]);
882 aname->culture = mono_metadata_string_heap (image, cols [MONO_ASSEMBLYREF_CULTURE]);
883 aname->flags = cols [MONO_ASSEMBLYREF_FLAGS];
884 aname->major = cols [MONO_ASSEMBLYREF_MAJOR_VERSION];
885 aname->minor = cols [MONO_ASSEMBLYREF_MINOR_VERSION];
886 aname->build = cols [MONO_ASSEMBLYREF_BUILD_NUMBER];
887 aname->revision = cols [MONO_ASSEMBLYREF_REV_NUMBER];
889 if (cols [MONO_ASSEMBLYREF_PUBLIC_KEY]) {
890 gchar *token = assemblyref_public_tok (image, cols [MONO_ASSEMBLYREF_PUBLIC_KEY], aname->flags);
891 g_strlcpy ((char*)aname->public_key_token, token, MONO_PUBLIC_KEY_TOKEN_LENGTH);
894 memset (aname->public_key_token, 0, MONO_PUBLIC_KEY_TOKEN_LENGTH);
899 mono_assembly_load_reference (MonoImage *image, int index)
901 MonoAssembly *reference;
902 MonoAssemblyName aname;
903 MonoImageOpenStatus status;
906 * image->references is shared between threads, so we need to access
907 * it inside a critical section.
909 mono_assemblies_lock ();
910 if (!image->references) {
911 MonoTableInfo *t = &image->tables [MONO_TABLE_ASSEMBLYREF];
913 image->references = g_new0 (MonoAssembly *, t->rows + 1);
915 reference = image->references [index];
916 mono_assemblies_unlock ();
920 mono_assembly_get_assemblyref (image, index, &aname);
922 if (image->assembly && image->assembly->ref_only) {
923 /* We use the loaded corlib */
924 if (!strcmp (aname.name, "mscorlib"))
925 reference = mono_assembly_load_full (&aname, image->assembly->basedir, &status, FALSE);
927 reference = mono_assembly_loaded_full (&aname, TRUE);
929 /* Try a postload search hook */
930 reference = mono_assembly_invoke_search_hook_internal (&aname, TRUE, TRUE);
934 * Here we must advice that the error was due to
935 * a non loaded reference using the ReflectionOnly api
938 reference = REFERENCE_MISSING;
940 reference = mono_assembly_load (&aname, image->assembly? image->assembly->basedir: NULL, &status);
942 if (reference == NULL){
945 if (status == MONO_IMAGE_ERROR_ERRNO && errno == ENOENT) {
946 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 : "" );
947 } else if (status == MONO_IMAGE_ERROR_ERRNO) {
948 extra_msg = g_strdup_printf ("System error: %s\n", strerror (errno));
949 } else if (status == MONO_IMAGE_MISSING_ASSEMBLYREF) {
950 extra_msg = g_strdup ("Cannot find an assembly referenced from this one.\n");
951 } else if (status == MONO_IMAGE_IMAGE_INVALID) {
952 extra_msg = g_strdup ("The file exists but is not a valid assembly.\n");
954 extra_msg = g_strdup ("");
957 mono_trace (G_LOG_LEVEL_WARNING, MONO_TRACE_ASSEMBLY, "The following assembly referenced from %s could not be loaded:\n"
958 " Assembly: %s (assemblyref_index=%d)\n"
959 " Version: %d.%d.%d.%d\n"
960 " Public Key: %s\n%s",
961 image->name, aname.name, index,
962 aname.major, aname.minor, aname.build, aname.revision,
963 strlen ((char*)aname.public_key_token) == 0 ? "(none)" : (char*)aname.public_key_token, extra_msg);
967 mono_assemblies_lock ();
968 if (reference == NULL) {
969 /* Flag as not found */
970 reference = REFERENCE_MISSING;
973 if (!image->references [index]) {
974 if (reference != REFERENCE_MISSING){
975 mono_assembly_addref (reference);
977 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_ASSEMBLY, "Assembly Ref addref %s[%p] -> %s[%p]: %d",
978 image->assembly->aname.name, image->assembly, reference->aname.name, reference, reference->ref_count);
981 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_ASSEMBLY, "Failed to load assembly %s[%p]\n",
982 image->assembly->aname.name, image->assembly);
985 image->references [index] = reference;
987 mono_assemblies_unlock ();
989 if (image->references [index] != reference) {
990 /* Somebody loaded it before us */
991 mono_assembly_close (reference);
996 mono_assembly_load_references (MonoImage *image, MonoImageOpenStatus *status)
998 /* This is a no-op now but it is part of the embedding API so we can't remove it */
999 *status = MONO_IMAGE_OK;
1002 typedef struct AssemblyLoadHook AssemblyLoadHook;
1003 struct AssemblyLoadHook {
1004 AssemblyLoadHook *next;
1005 MonoAssemblyLoadFunc func;
1009 AssemblyLoadHook *assembly_load_hook = NULL;
1012 mono_assembly_invoke_load_hook (MonoAssembly *ass)
1014 AssemblyLoadHook *hook;
1016 for (hook = assembly_load_hook; hook; hook = hook->next) {
1017 hook->func (ass, hook->user_data);
1022 mono_install_assembly_load_hook (MonoAssemblyLoadFunc func, gpointer user_data)
1024 AssemblyLoadHook *hook;
1026 g_return_if_fail (func != NULL);
1028 hook = g_new0 (AssemblyLoadHook, 1);
1030 hook->user_data = user_data;
1031 hook->next = assembly_load_hook;
1032 assembly_load_hook = hook;
1036 free_assembly_load_hooks (void)
1038 AssemblyLoadHook *hook, *next;
1040 for (hook = assembly_load_hook; hook; hook = next) {
1046 typedef struct AssemblySearchHook AssemblySearchHook;
1047 struct AssemblySearchHook {
1048 AssemblySearchHook *next;
1049 MonoAssemblySearchFunc func;
1055 AssemblySearchHook *assembly_search_hook = NULL;
1057 static MonoAssembly*
1058 mono_assembly_invoke_search_hook_internal (MonoAssemblyName *aname, gboolean refonly, gboolean postload)
1060 AssemblySearchHook *hook;
1062 for (hook = assembly_search_hook; hook; hook = hook->next) {
1063 if ((hook->refonly == refonly) && (hook->postload == postload)) {
1064 MonoAssembly *ass = hook->func (aname, hook->user_data);
1074 mono_assembly_invoke_search_hook (MonoAssemblyName *aname)
1076 return mono_assembly_invoke_search_hook_internal (aname, FALSE, FALSE);
1080 mono_install_assembly_search_hook_internal (MonoAssemblySearchFunc func, gpointer user_data, gboolean refonly, gboolean postload)
1082 AssemblySearchHook *hook;
1084 g_return_if_fail (func != NULL);
1086 hook = g_new0 (AssemblySearchHook, 1);
1088 hook->user_data = user_data;
1089 hook->refonly = refonly;
1090 hook->postload = postload;
1091 hook->next = assembly_search_hook;
1092 assembly_search_hook = hook;
1096 mono_install_assembly_search_hook (MonoAssemblySearchFunc func, gpointer user_data)
1098 mono_install_assembly_search_hook_internal (func, user_data, FALSE, FALSE);
1102 free_assembly_search_hooks (void)
1104 AssemblySearchHook *hook, *next;
1106 for (hook = assembly_search_hook; hook; hook = next) {
1113 mono_install_assembly_refonly_search_hook (MonoAssemblySearchFunc func, gpointer user_data)
1115 mono_install_assembly_search_hook_internal (func, user_data, TRUE, FALSE);
1119 mono_install_assembly_postload_search_hook (MonoAssemblySearchFunc func, gpointer user_data)
1121 mono_install_assembly_search_hook_internal (func, user_data, FALSE, TRUE);
1125 mono_install_assembly_postload_refonly_search_hook (MonoAssemblySearchFunc func, gpointer user_data)
1127 mono_install_assembly_search_hook_internal (func, user_data, TRUE, TRUE);
1130 typedef struct AssemblyPreLoadHook AssemblyPreLoadHook;
1131 struct AssemblyPreLoadHook {
1132 AssemblyPreLoadHook *next;
1133 MonoAssemblyPreLoadFunc func;
1137 static AssemblyPreLoadHook *assembly_preload_hook = NULL;
1138 static AssemblyPreLoadHook *assembly_refonly_preload_hook = NULL;
1140 static MonoAssembly *
1141 invoke_assembly_preload_hook (MonoAssemblyName *aname, gchar **assemblies_path)
1143 AssemblyPreLoadHook *hook;
1144 MonoAssembly *assembly;
1146 for (hook = assembly_preload_hook; hook; hook = hook->next) {
1147 assembly = hook->func (aname, assemblies_path, hook->user_data);
1148 if (assembly != NULL)
1155 static MonoAssembly *
1156 invoke_assembly_refonly_preload_hook (MonoAssemblyName *aname, gchar **assemblies_path)
1158 AssemblyPreLoadHook *hook;
1159 MonoAssembly *assembly;
1161 for (hook = assembly_refonly_preload_hook; hook; hook = hook->next) {
1162 assembly = hook->func (aname, assemblies_path, hook->user_data);
1163 if (assembly != NULL)
1171 mono_install_assembly_preload_hook (MonoAssemblyPreLoadFunc func, gpointer user_data)
1173 AssemblyPreLoadHook *hook;
1175 g_return_if_fail (func != NULL);
1177 hook = g_new0 (AssemblyPreLoadHook, 1);
1179 hook->user_data = user_data;
1180 hook->next = assembly_preload_hook;
1181 assembly_preload_hook = hook;
1185 mono_install_assembly_refonly_preload_hook (MonoAssemblyPreLoadFunc func, gpointer user_data)
1187 AssemblyPreLoadHook *hook;
1189 g_return_if_fail (func != NULL);
1191 hook = g_new0 (AssemblyPreLoadHook, 1);
1193 hook->user_data = user_data;
1194 hook->next = assembly_refonly_preload_hook;
1195 assembly_refonly_preload_hook = hook;
1199 free_assembly_preload_hooks (void)
1201 AssemblyPreLoadHook *hook, *next;
1203 for (hook = assembly_preload_hook; hook; hook = next) {
1208 for (hook = assembly_refonly_preload_hook; hook; hook = next) {
1215 absolute_dir (const gchar *filename)
1226 if (g_path_is_absolute (filename)) {
1227 part = g_path_get_dirname (filename);
1228 res = g_strconcat (part, G_DIR_SEPARATOR_S, NULL);
1233 cwd = g_get_current_dir ();
1234 mixed = g_build_filename (cwd, filename, NULL);
1235 parts = g_strsplit (mixed, G_DIR_SEPARATOR_S, 0);
1240 for (i = 0; (part = parts [i]) != NULL; i++) {
1241 if (!strcmp (part, "."))
1244 if (!strcmp (part, "..")) {
1245 if (list && list->next) /* Don't remove root */
1246 list = g_list_delete_link (list, list);
1248 list = g_list_prepend (list, part);
1252 result = g_string_new ("");
1253 list = g_list_reverse (list);
1255 /* Ignores last data pointer, which should be the filename */
1256 for (tmp = list; tmp && tmp->next != NULL; tmp = tmp->next){
1258 g_string_append_printf (result, "%s%c", (char *) tmp->data,
1263 g_string_free (result, FALSE);
1268 return g_strdup (".");
1275 * mono_assembly_open_from_bundle:
1276 * @filename: Filename requested
1277 * @status: return value
1279 * This routine tries to open the assembly specified by `filename' from the
1280 * defined bundles, if found, returns the MonoImage for it, if not found
1284 mono_assembly_open_from_bundle (const char *filename, MonoImageOpenStatus *status, gboolean refonly)
1288 MonoImage *image = NULL;
1291 * we do a very simple search for bundled assemblies: it's not a general
1292 * purpose assembly loading mechanism.
1298 name = g_path_get_basename (filename);
1300 mono_assemblies_lock ();
1301 for (i = 0; !image && bundles [i]; ++i) {
1302 if (strcmp (bundles [i]->name, name) == 0) {
1303 image = mono_image_open_from_data_with_name ((char*)bundles [i]->data, bundles [i]->size, FALSE, status, refonly, name);
1307 mono_assemblies_unlock ();
1310 mono_image_addref (image);
1317 mono_assembly_open_full (const char *filename, MonoImageOpenStatus *status, gboolean refonly)
1321 MonoImageOpenStatus def_status;
1325 g_return_val_if_fail (filename != NULL, NULL);
1328 status = &def_status;
1329 *status = MONO_IMAGE_OK;
1331 if (strncmp (filename, "file://", 7) == 0) {
1332 GError *error = NULL;
1333 gchar *uri = (gchar *) filename;
1337 * MS allows file://c:/... and fails on file://localhost/c:/...
1338 * They also throw an IndexOutOfRangeException if "file://"
1341 uri = g_strdup_printf ("file:///%s", uri + 7);
1344 uri = mono_escape_uri_string (tmpuri);
1345 fname = g_filename_from_uri (uri, NULL, &error);
1348 if (tmpuri != filename)
1351 if (error != NULL) {
1352 g_warning ("%s\n", error->message);
1353 g_error_free (error);
1354 fname = g_strdup (filename);
1357 fname = g_strdup (filename);
1360 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_ASSEMBLY,
1361 "Assembly Loader probing location: '%s'.", fname);
1364 if (!mono_assembly_is_in_gac (fname))
1365 new_fname = mono_make_shadow_copy (fname);
1366 if (new_fname && new_fname != fname) {
1369 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_ASSEMBLY,
1370 "Assembly Loader shadow-copied assembly to: '%s'.", fname);
1375 if (bundles != NULL)
1376 image = mono_assembly_open_from_bundle (fname, status, refonly);
1379 image = mono_image_open_full (fname, status, refonly);
1382 if (*status == MONO_IMAGE_OK)
1383 *status = MONO_IMAGE_ERROR_ERRNO;
1388 if (image->assembly) {
1389 /* Already loaded by another appdomain */
1390 mono_assembly_invoke_load_hook (image->assembly);
1391 mono_image_close (image);
1393 return image->assembly;
1396 ass = mono_assembly_load_from_full (image, fname, status, refonly);
1399 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_ASSEMBLY,
1400 "Assembly Loader loaded assembly from location: '%s'.", filename);
1402 mono_config_for_assembly (ass->image);
1405 /* Clear the reference added by mono_image_open */
1406 mono_image_close (image);
1414 free_item (gpointer val, gpointer user_data)
1420 * mono_assembly_load_friends:
1423 * Load the list of friend assemblies that are allowed to access
1424 * the assembly's internal types and members. They are stored as assembly
1425 * names in custom attributes.
1427 * This is an internal method, we need this because when we load mscorlib
1428 * we do not have the mono_defaults.internals_visible_class loaded yet,
1429 * so we need to load these after we initialize the runtime.
1431 * LOCKING: Acquires the assemblies lock plus the loader lock.
1434 mono_assembly_load_friends (MonoAssembly* ass)
1437 MonoCustomAttrInfo* attrs;
1440 if (ass->friend_assembly_names_inited)
1443 attrs = mono_custom_attrs_from_assembly (ass);
1445 mono_assemblies_lock ();
1446 ass->friend_assembly_names_inited = TRUE;
1447 mono_assemblies_unlock ();
1451 mono_assemblies_lock ();
1452 if (ass->friend_assembly_names_inited) {
1453 mono_assemblies_unlock ();
1456 mono_assemblies_unlock ();
1460 * We build the list outside the assemblies lock, the worse that can happen
1461 * is that we'll need to free the allocated list.
1463 for (i = 0; i < attrs->num_attrs; ++i) {
1464 MonoCustomAttrEntry *attr = &attrs->attrs [i];
1465 MonoAssemblyName *aname;
1468 /* Do some sanity checking */
1469 if (!attr->ctor || attr->ctor->klass != mono_defaults.internals_visible_class)
1471 if (attr->data_size < 4)
1473 data = (const char*)attr->data;
1474 /* 0xFF means null string, see custom attr format */
1475 if (data [0] != 1 || data [1] != 0 || (data [2] & 0xFF) == 0xFF)
1477 slen = mono_metadata_decode_value (data + 2, &data);
1478 aname = g_new0 (MonoAssemblyName, 1);
1479 /*g_print ("friend ass: %s\n", data);*/
1480 if (mono_assembly_name_parse_full (data, aname, TRUE, NULL, NULL)) {
1481 list = g_slist_prepend (list, aname);
1486 mono_custom_attrs_free (attrs);
1488 mono_assemblies_lock ();
1489 if (ass->friend_assembly_names_inited) {
1490 mono_assemblies_unlock ();
1491 g_slist_foreach (list, free_item, NULL);
1492 g_slist_free (list);
1495 ass->friend_assembly_names = list;
1497 /* Because of the double checked locking pattern above */
1498 mono_memory_barrier ();
1499 ass->friend_assembly_names_inited = TRUE;
1500 mono_assemblies_unlock ();
1504 * mono_assembly_open:
1505 * @filename: Opens the assembly pointed out by this name
1506 * @status: where a status code can be returned
1508 * mono_assembly_open opens the PE-image pointed by @filename, and
1509 * loads any external assemblies referenced by it.
1511 * Return: a pointer to the MonoAssembly if @filename contains a valid
1512 * assembly or NULL on error. Details about the error are stored in the
1516 mono_assembly_open (const char *filename, MonoImageOpenStatus *status)
1518 return mono_assembly_open_full (filename, status, FALSE);
1522 mono_assembly_load_from_full (MonoImage *image, const char*fname,
1523 MonoImageOpenStatus *status, gboolean refonly)
1525 MonoAssembly *ass, *ass2;
1528 if (!image->tables [MONO_TABLE_ASSEMBLY].rows) {
1529 /* 'image' doesn't have a manifest -- maybe someone is trying to Assembly.Load a .netmodule */
1530 *status = MONO_IMAGE_IMAGE_INVALID;
1534 #if defined (HOST_WIN32)
1539 tmp_fn = g_strdup (fname);
1540 for (i = strlen (tmp_fn) - 1; i >= 0; i--) {
1541 if (tmp_fn [i] == '/')
1545 base_dir = absolute_dir (tmp_fn);
1549 base_dir = absolute_dir (fname);
1553 * Create assembly struct, and enter it into the assembly cache
1555 ass = g_new0 (MonoAssembly, 1);
1556 ass->basedir = base_dir;
1557 ass->ref_only = refonly;
1560 mono_profiler_assembly_event (ass, MONO_PROFILE_START_LOAD);
1562 mono_assembly_fill_assembly_name (image, &ass->aname);
1564 if (mono_defaults.corlib && strcmp (ass->aname.name, "mscorlib") == 0) {
1565 // MS.NET doesn't support loading other mscorlibs
1568 mono_image_addref (mono_defaults.corlib);
1569 *status = MONO_IMAGE_OK;
1570 return mono_defaults.corlib->assembly;
1573 /* Add a non-temporary reference because of ass->image */
1574 mono_image_addref (image);
1576 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);
1579 * The load hooks might take locks so we can't call them while holding the
1582 if (ass->aname.name) {
1583 ass2 = mono_assembly_invoke_search_hook_internal (&ass->aname, refonly, FALSE);
1587 mono_image_close (image);
1588 *status = MONO_IMAGE_OK;
1593 mono_assemblies_lock ();
1595 if (image->assembly) {
1597 * This means another thread has already loaded the assembly, but not yet
1598 * called the load hooks so the search hook can't find the assembly.
1600 mono_assemblies_unlock ();
1601 ass2 = image->assembly;
1604 mono_image_close (image);
1605 *status = MONO_IMAGE_OK;
1609 image->assembly = ass;
1611 loaded_assemblies = g_list_prepend (loaded_assemblies, ass);
1612 mono_assemblies_unlock ();
1615 if (image->is_module_handle)
1616 mono_image_fixup_vtable (image);
1619 mono_assembly_invoke_load_hook (ass);
1621 mono_profiler_assembly_loaded (ass, MONO_PROFILE_OK);
1627 mono_assembly_load_from (MonoImage *image, const char *fname,
1628 MonoImageOpenStatus *status)
1630 return mono_assembly_load_from_full (image, fname, status, FALSE);
1634 * mono_assembly_name_free:
1635 * @aname: assembly name to free
1637 * Frees the provided assembly name object.
1638 * (it does not frees the object itself, only the name members).
1641 mono_assembly_name_free (MonoAssemblyName *aname)
1646 g_free ((void *) aname->name);
1647 g_free ((void *) aname->culture);
1648 g_free ((void *) aname->hash_value);
1652 parse_public_key (const gchar *key, gchar** pubkey)
1655 gchar header [16], val, *arr;
1656 gint i, j, offset, bitlen, keylen, pkeylen;
1658 keylen = strlen (key) >> 1;
1662 /* allow the ECMA standard key */
1663 if (strcmp (key, "00000000000000000400000000000000") == 0) {
1665 arr = g_strdup ("b77a5c561934e089");
1670 val = g_ascii_xdigit_value (key [0]) << 4;
1671 val |= g_ascii_xdigit_value (key [1]);
1676 val = g_ascii_xdigit_value (key [24]);
1677 val |= g_ascii_xdigit_value (key [25]);
1689 /* We need the first 16 bytes
1690 * to check whether this key is valid or not */
1691 pkeylen = strlen (pkey) >> 1;
1695 for (i = 0, j = 0; i < 16; i++) {
1696 header [i] = g_ascii_xdigit_value (pkey [j++]) << 4;
1697 header [i] |= g_ascii_xdigit_value (pkey [j++]);
1700 if (header [0] != 0x06 || /* PUBLICKEYBLOB (0x06) */
1701 header [1] != 0x02 || /* Version (0x02) */
1702 header [2] != 0x00 || /* Reserved (word) */
1703 header [3] != 0x00 ||
1704 (guint)(read32 (header + 8)) != 0x31415352) /* DWORD magic = RSA1 */
1707 /* Based on this length, we _should_ be able to know if the length is right */
1708 bitlen = read32 (header + 12) >> 3;
1709 if ((bitlen + 16 + 4) != pkeylen)
1712 /* parsing is OK and the public key itself is not requested back */
1716 /* Encode the size of the blob */
1718 if (keylen <= 127) {
1719 arr = g_malloc (keylen + 1);
1720 arr [offset++] = keylen;
1722 arr = g_malloc (keylen + 2);
1723 arr [offset++] = 0x80; /* 10bs */
1724 arr [offset++] = keylen;
1727 for (i = offset, j = 0; i < keylen + offset; i++) {
1728 arr [i] = g_ascii_xdigit_value (key [j++]) << 4;
1729 arr [i] |= g_ascii_xdigit_value (key [j++]);
1738 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)
1740 gint major, minor, build, revision;
1743 gchar *pkey, *pkeyptr, *encoded, tok [8];
1745 memset (aname, 0, sizeof (MonoAssemblyName));
1748 version_parts = sscanf (version, "%u.%u.%u.%u", &major, &minor, &build, &revision);
1749 if (version_parts < 2 || version_parts > 4)
1752 /* FIXME: we should set build & revision to -1 (instead of 0)
1753 if these are not set in the version string. That way, later on,
1754 we can still determine if these were specified. */
1755 aname->major = major;
1756 aname->minor = minor;
1757 if (version_parts >= 3)
1758 aname->build = build;
1761 if (version_parts == 4)
1762 aname->revision = revision;
1764 aname->revision = 0;
1767 aname->flags = flags;
1769 aname->name = g_strdup (name);
1772 if (g_ascii_strcasecmp (culture, "neutral") == 0)
1773 aname->culture = g_strdup ("");
1775 aname->culture = g_strdup (culture);
1778 if (token && strncmp (token, "null", 4) != 0) {
1781 /* the constant includes the ending NULL, hence the -1 */
1782 if (strlen (token) != (MONO_PUBLIC_KEY_TOKEN_LENGTH - 1)) {
1783 mono_assembly_name_free (aname);
1786 lower = g_ascii_strdown (token, MONO_PUBLIC_KEY_TOKEN_LENGTH);
1787 g_strlcpy ((char*)aname->public_key_token, lower, MONO_PUBLIC_KEY_TOKEN_LENGTH);
1792 if (strcmp (key, "null") == 0 || !parse_public_key (key, &pkey)) {
1793 mono_assembly_name_free (aname);
1797 len = mono_metadata_decode_blob_size ((const gchar *) pkey, (const gchar **) &pkeyptr);
1798 // We also need to generate the key token
1799 mono_digest_get_public_token ((guchar*) tok, (guint8*) pkeyptr, len);
1800 encoded = encode_public_tok ((guchar*) tok, 8);
1801 g_strlcpy ((gchar*)aname->public_key_token, encoded, MONO_PUBLIC_KEY_TOKEN_LENGTH);
1804 if (save_public_key)
1805 aname->public_key = (guint8*) pkey;
1814 parse_assembly_directory_name (const char *name, const char *dirname, MonoAssemblyName *aname)
1819 parts = g_strsplit (dirname, "_", 3);
1820 if (!parts || !parts[0] || !parts[1] || !parts[2]) {
1825 res = build_assembly_name (name, parts[0], parts[1], parts[2], NULL, 0, 0, aname, FALSE);
1831 mono_assembly_name_parse_full (const char *name, MonoAssemblyName *aname, gboolean save_public_key, gboolean *is_version_defined, gboolean *is_token_defined)
1834 gchar *version = NULL;
1835 gchar *culture = NULL;
1836 gchar *token = NULL;
1838 gchar *retargetable = NULL;
1843 gboolean version_defined;
1844 gboolean token_defined;
1846 guint32 arch = PROCESSOR_ARCHITECTURE_NONE;
1848 if (!is_version_defined)
1849 is_version_defined = &version_defined;
1850 *is_version_defined = FALSE;
1851 if (!is_token_defined)
1852 is_token_defined = &token_defined;
1853 *is_token_defined = FALSE;
1855 parts = tmp = g_strsplit (name, ",", 6);
1856 if (!tmp || !*tmp) {
1861 dllname = g_strstrip (*tmp);
1866 value = g_strstrip (*tmp);
1867 if (!g_ascii_strncasecmp (value, "Version=", 8)) {
1868 *is_version_defined = TRUE;
1869 version = g_strstrip (value + 8);
1870 if (strlen (version) == 0) {
1871 goto cleanup_and_fail;
1877 if (!g_ascii_strncasecmp (value, "Culture=", 8)) {
1878 culture = g_strstrip (value + 8);
1879 if (strlen (culture) == 0) {
1880 goto cleanup_and_fail;
1886 if (!g_ascii_strncasecmp (value, "PublicKeyToken=", 15)) {
1887 *is_token_defined = TRUE;
1888 token = g_strstrip (value + 15);
1889 if (strlen (token) == 0) {
1890 goto cleanup_and_fail;
1896 if (!g_ascii_strncasecmp (value, "PublicKey=", 10)) {
1897 key = g_strstrip (value + 10);
1898 if (strlen (key) == 0) {
1899 goto cleanup_and_fail;
1905 if (!g_ascii_strncasecmp (value, "Retargetable=", 13)) {
1906 retargetable = g_strstrip (value + 13);
1907 if (strlen (retargetable) == 0) {
1908 goto cleanup_and_fail;
1910 if (!g_ascii_strcasecmp (retargetable, "yes")) {
1911 flags |= ASSEMBLYREF_RETARGETABLE_FLAG;
1912 } else if (g_ascii_strcasecmp (retargetable, "no")) {
1913 goto cleanup_and_fail;
1919 if (!g_ascii_strncasecmp (value, "ProcessorArchitecture=", 22)) {
1920 char *s = g_strstrip (value + 22);
1921 if (!g_ascii_strcasecmp (s, "None"))
1922 arch = PROCESSOR_ARCHITECTURE_NONE;
1923 else if (!g_ascii_strcasecmp (s, "MSIL"))
1924 arch = PROCESSOR_ARCHITECTURE_MSIL;
1925 else if (!g_ascii_strcasecmp (s, "X86"))
1926 arch = PROCESSOR_ARCHITECTURE_X86;
1927 else if (!g_ascii_strcasecmp (s, "IA64"))
1928 arch = PROCESSOR_ARCHITECTURE_IA64;
1929 else if (!g_ascii_strcasecmp (s, "AMD64"))
1930 arch = PROCESSOR_ARCHITECTURE_AMD64;
1932 goto cleanup_and_fail;
1941 /* if retargetable flag is set, then we must have a fully qualified name */
1942 if (retargetable != NULL && (version == NULL || culture == NULL || (key == NULL && token == NULL))) {
1943 goto cleanup_and_fail;
1946 res = build_assembly_name (dllname, version, culture, token, key, flags, arch,
1947 aname, save_public_key);
1957 * mono_assembly_name_parse:
1958 * @name: name to parse
1959 * @aname: the destination assembly name
1961 * Parses an assembly qualified type name and assigns the name,
1962 * version, culture and token to the provided assembly name object.
1964 * Returns: true if the name could be parsed.
1967 mono_assembly_name_parse (const char *name, MonoAssemblyName *aname)
1969 return mono_assembly_name_parse_full (name, aname, FALSE, NULL, NULL);
1973 * mono_assembly_name_new:
1974 * @name: name to parse
1976 * Allocate a new MonoAssemblyName and fill its values from the
1979 * Returns: a newly allocated structure or NULL if there was any failure.
1982 mono_assembly_name_new (const char *name)
1984 MonoAssemblyName *aname = g_new0 (MonoAssemblyName, 1);
1985 if (mono_assembly_name_parse (name, aname))
1992 mono_assembly_name_get_name (MonoAssemblyName *aname)
1998 mono_assembly_name_get_culture (MonoAssemblyName *aname)
2000 return aname->culture;
2004 mono_assembly_name_get_pubkeytoken (MonoAssemblyName *aname)
2006 if (aname->public_key_token [0])
2007 return aname->public_key_token;
2012 mono_assembly_name_get_version (MonoAssemblyName *aname, uint16_t *minor, uint16_t *build, uint16_t *revision)
2015 *minor = aname->minor;
2017 *build = aname->build;
2019 *revision = aname->revision;
2020 return aname->major;
2023 static MonoAssembly*
2024 probe_for_partial_name (const char *basepath, const char *fullname, MonoAssemblyName *aname, MonoImageOpenStatus *status)
2026 gchar *fullpath = NULL;
2028 const char* direntry;
2029 MonoAssemblyName gac_aname;
2030 gint major=-1, minor=0, build=0, revision=0;
2031 gboolean exact_version;
2033 dirhandle = g_dir_open (basepath, 0, NULL);
2037 exact_version = (aname->major | aname->minor | aname->build | aname->revision) != 0;
2039 while ((direntry = g_dir_read_name (dirhandle))) {
2040 gboolean match = TRUE;
2042 if(!parse_assembly_directory_name (aname->name, direntry, &gac_aname))
2045 if (aname->culture != NULL && strcmp (aname->culture, gac_aname.culture) != 0)
2048 if (match && strlen ((char*)aname->public_key_token) > 0 &&
2049 !mono_public_tokens_are_equal (aname->public_key_token, gac_aname.public_key_token))
2053 if (exact_version) {
2054 match = (aname->major == gac_aname.major && aname->minor == gac_aname.minor &&
2055 aname->build == gac_aname.build && aname->revision == gac_aname.revision);
2057 else if (gac_aname.major < major)
2059 else if (gac_aname.major == major) {
2060 if (gac_aname.minor < minor)
2062 else if (gac_aname.minor == minor) {
2063 if (gac_aname.build < build)
2065 else if (gac_aname.build == build && gac_aname.revision <= revision)
2072 major = gac_aname.major;
2073 minor = gac_aname.minor;
2074 build = gac_aname.build;
2075 revision = gac_aname.revision;
2077 fullpath = g_build_path (G_DIR_SEPARATOR_S, basepath, direntry, fullname, NULL);
2080 mono_assembly_name_free (&gac_aname);
2083 g_dir_close (dirhandle);
2085 if (fullpath == NULL)
2088 MonoAssembly *res = mono_assembly_open (fullpath, status);
2095 mono_assembly_load_with_partial_name (const char *name, MonoImageOpenStatus *status)
2098 MonoAssemblyName *aname, base_name;
2099 #ifndef DISABLE_ASSEMBLY_REMAPPING
2100 MonoAssemblyName maped_aname;
2102 gchar *fullname, *gacpath;
2105 memset (&base_name, 0, sizeof (MonoAssemblyName));
2108 if (!mono_assembly_name_parse (name, aname))
2111 #ifndef DISABLE_ASSEMBLY_REMAPPING
2113 * If no specific version has been requested, make sure we load the
2114 * correct version for system assemblies.
2116 if ((aname->major | aname->minor | aname->build | aname->revision) == 0)
2117 aname = mono_assembly_remap_version (aname, &maped_aname);
2120 res = mono_assembly_loaded (aname);
2122 mono_assembly_name_free (aname);
2126 res = invoke_assembly_preload_hook (aname, assemblies_path);
2128 res->in_gac = FALSE;
2129 mono_assembly_name_free (aname);
2133 fullname = g_strdup_printf ("%s.dll", aname->name);
2135 if (extra_gac_paths) {
2136 paths = extra_gac_paths;
2137 while (!res && *paths) {
2138 gacpath = g_build_path (G_DIR_SEPARATOR_S, *paths, "lib", "mono", "gac", aname->name, NULL);
2139 res = probe_for_partial_name (gacpath, fullname, aname, status);
2148 mono_assembly_name_free (aname);
2152 gacpath = g_build_path (G_DIR_SEPARATOR_S, mono_assembly_getrootdir (), "mono", "gac", aname->name, NULL);
2153 res = probe_for_partial_name (gacpath, fullname, aname, status);
2159 MonoDomain *domain = mono_domain_get ();
2160 MonoReflectionAssembly *refasm = mono_try_assembly_resolve (domain, mono_string_new (domain, name), FALSE);
2162 res = refasm->assembly;
2166 mono_assembly_name_free (aname);
2172 mono_assembly_is_in_gac (const gchar *filename)
2174 const gchar *rootdir;
2178 if (filename == NULL)
2181 for (paths = extra_gac_paths; paths && *paths; paths++) {
2182 if (strstr (*paths, filename) != *paths)
2185 gp = (gchar *) (filename + strlen (*paths));
2186 if (*gp != G_DIR_SEPARATOR)
2189 if (strncmp (gp, "lib", 3))
2192 if (*gp != G_DIR_SEPARATOR)
2195 if (strncmp (gp, "mono", 4))
2198 if (*gp != G_DIR_SEPARATOR)
2201 if (strncmp (gp, "gac", 3))
2204 if (*gp != G_DIR_SEPARATOR)
2210 rootdir = mono_assembly_getrootdir ();
2211 if (strstr (filename, rootdir) != filename)
2214 gp = (gchar *) (filename + strlen (rootdir));
2215 if (*gp != G_DIR_SEPARATOR)
2218 if (strncmp (gp, "mono", 4))
2221 if (*gp != G_DIR_SEPARATOR)
2224 if (strncmp (gp, "gac", 3))
2227 if (*gp != G_DIR_SEPARATOR)
2233 mono_assembly_load_publisher_policy (MonoAssemblyName *aname)
2236 gchar *filename, *pname, *name, *culture, *version, *fullpath, *subpath;
2240 if (strstr (aname->name, ".dll")) {
2241 len = strlen (aname->name) - 4;
2242 name = g_malloc (len);
2243 strncpy (name, aname->name, len);
2245 name = g_strdup (aname->name);
2248 culture = g_utf8_strdown (aname->culture, -1);
2250 culture = g_strdup ("");
2252 pname = g_strdup_printf ("policy.%d.%d.%s", aname->major, aname->minor, name);
2253 version = g_strdup_printf ("0.0.0.0_%s_%s", culture, aname->public_key_token);
2257 filename = g_strconcat (pname, ".dll", NULL);
2258 subpath = g_build_path (G_DIR_SEPARATOR_S, pname, version, filename, NULL);
2264 if (extra_gac_paths) {
2265 paths = extra_gac_paths;
2266 while (!image && *paths) {
2267 fullpath = g_build_path (G_DIR_SEPARATOR_S, *paths,
2268 "lib", "mono", "gac", subpath, NULL);
2269 image = mono_image_open (fullpath, NULL);
2280 fullpath = g_build_path (G_DIR_SEPARATOR_S, mono_assembly_getrootdir (),
2281 "mono", "gac", subpath, NULL);
2282 image = mono_image_open (fullpath, NULL);
2289 static MonoAssemblyName*
2290 mono_assembly_bind_version (MonoAssemblyBindingInfo *info, MonoAssemblyName *aname, MonoAssemblyName *dest_name)
2292 memcpy (dest_name, aname, sizeof (MonoAssemblyName));
2293 dest_name->major = info->new_version.major;
2294 dest_name->minor = info->new_version.minor;
2295 dest_name->build = info->new_version.build;
2296 dest_name->revision = info->new_version.revision;
2301 /* LOCKING: Assumes that we are already locked */
2302 static MonoAssemblyBindingInfo*
2303 search_binding_loaded (MonoAssemblyName *aname)
2307 for (tmp = loaded_assembly_bindings; tmp; tmp = tmp->next) {
2308 MonoAssemblyBindingInfo *info = tmp->data;
2309 if (assembly_binding_maps_name (info, aname))
2316 static inline gboolean
2317 info_compare_versions (AssemblyVersionSet *left, AssemblyVersionSet *right)
2319 if (left->major != right->major || left->minor != right->minor ||
2320 left->build != right->build || left->revision != right->revision)
2326 static inline gboolean
2327 info_versions_equal (MonoAssemblyBindingInfo *left, MonoAssemblyBindingInfo *right)
2329 if (left->has_old_version_bottom != right->has_old_version_bottom)
2332 if (left->has_old_version_top != right->has_old_version_top)
2335 if (left->has_new_version != right->has_new_version)
2338 if (left->has_old_version_bottom && !info_compare_versions (&left->old_version_bottom, &right->old_version_bottom))
2341 if (left->has_old_version_top && !info_compare_versions (&left->old_version_top, &right->old_version_top))
2344 if (left->has_new_version && !info_compare_versions (&left->new_version, &right->new_version))
2350 /* LOCKING: assumes all the necessary locks are held */
2352 assembly_binding_info_parsed (MonoAssemblyBindingInfo *info, void *user_data)
2354 MonoAssemblyBindingInfo *info_copy;
2356 MonoAssemblyBindingInfo *info_tmp;
2357 MonoDomain *domain = (MonoDomain*)user_data;
2362 for (tmp = domain->assembly_bindings; tmp; tmp = tmp->next) {
2363 info_tmp = tmp->data;
2364 if (strcmp (info->name, info_tmp->name) == 0 && info_versions_equal (info, info_tmp))
2368 info_copy = mono_mempool_alloc0 (domain->mp, sizeof (MonoAssemblyBindingInfo));
2369 memcpy (info_copy, info, sizeof (MonoAssemblyBindingInfo));
2371 info_copy->name = mono_mempool_strdup (domain->mp, info->name);
2373 info_copy->culture = mono_mempool_strdup (domain->mp, info->culture);
2375 domain->assembly_bindings = g_slist_append_mempool (domain->mp, domain->assembly_bindings, info_copy);
2378 static inline gboolean
2379 info_major_minor_in_range (MonoAssemblyBindingInfo *info, MonoAssemblyName *aname)
2381 if (!info->has_old_version_bottom)
2384 if (info->old_version_bottom.major > aname->major || info->old_version_bottom.minor > aname->minor)
2387 if (info->has_old_version_top && (info->old_version_top.major < aname->major || info->old_version_top.minor < aname->minor))
2390 /* This is not the nicest way to do it, but it's a by-product of the way parsing is done */
2391 info->major = aname->major;
2392 info->minor = aname->minor;
2397 /* LOCKING: Assumes that we are already locked - both loader and domain locks */
2398 static MonoAssemblyBindingInfo*
2399 get_per_domain_assembly_binding_info (MonoDomain *domain, MonoAssemblyName *aname)
2401 MonoAssemblyBindingInfo *info;
2404 if (!domain->assembly_bindings)
2408 for (list = domain->assembly_bindings; list; list = list->next) {
2410 if (info && !strcmp (aname->name, info->name) && info_major_minor_in_range (info, aname))
2416 if (info->name && info->public_key_token [0] && info->has_old_version_bottom &&
2417 info->has_new_version && assembly_binding_maps_name (info, aname))
2418 info->is_valid = TRUE;
2420 info->is_valid = FALSE;
2426 static MonoAssemblyName*
2427 mono_assembly_apply_binding (MonoAssemblyName *aname, MonoAssemblyName *dest_name)
2429 MonoAssemblyBindingInfo *info, *info2;
2433 if (aname->public_key_token [0] == 0)
2436 domain = mono_domain_get ();
2437 mono_loader_lock ();
2438 info = search_binding_loaded (aname);
2440 mono_domain_lock (domain);
2441 info = get_per_domain_assembly_binding_info (domain, aname);
2442 mono_domain_unlock (domain);
2445 mono_loader_unlock ();
2447 if (!check_policy_versions (info, aname))
2450 mono_assembly_bind_version (info, aname, dest_name);
2454 if (domain && domain->setup && domain->setup->configuration_file) {
2455 mono_domain_lock (domain);
2456 if (!domain->assembly_bindings_parsed) {
2457 gchar *domain_config_file = mono_string_to_utf8 (domain->setup->configuration_file);
2459 mono_config_parse_assembly_bindings (domain_config_file, aname->major, aname->minor, domain, assembly_binding_info_parsed);
2460 domain->assembly_bindings_parsed = TRUE;
2461 g_free (domain_config_file);
2463 mono_domain_unlock (domain);
2465 mono_loader_lock ();
2466 mono_domain_lock (domain);
2467 info2 = get_per_domain_assembly_binding_info (domain, aname);
2470 info = g_memdup (info2, sizeof (MonoAssemblyBindingInfo));
2471 info->name = g_strdup (info2->name);
2472 info->culture = g_strdup (info2->culture);
2473 info->domain_id = domain->domain_id;
2476 mono_domain_unlock (domain);
2477 mono_loader_unlock ();
2481 info = g_new0 (MonoAssemblyBindingInfo, 1);
2482 info->major = aname->major;
2483 info->minor = aname->minor;
2486 if (!info->is_valid) {
2487 ppimage = mono_assembly_load_publisher_policy (aname);
2489 get_publisher_policy_info (ppimage, aname, info);
2490 mono_image_close (ppimage);
2494 /* Define default error value if needed */
2495 if (!info->is_valid) {
2496 info->name = g_strdup (aname->name);
2497 info->culture = g_strdup (aname->culture);
2498 g_strlcpy ((char *)info->public_key_token, (const char *)aname->public_key_token, MONO_PUBLIC_KEY_TOKEN_LENGTH);
2501 mono_loader_lock ();
2502 info2 = search_binding_loaded (aname);
2504 /* This binding was added by another thread
2506 mono_assembly_binding_info_free (info);
2511 loaded_assembly_bindings = g_slist_prepend (loaded_assembly_bindings, info);
2513 mono_loader_unlock ();
2515 if (!info->is_valid || !check_policy_versions (info, aname))
2518 mono_assembly_bind_version (info, aname, dest_name);
2523 * mono_assembly_load_from_gac
2525 * @aname: The assembly name object
2527 static MonoAssembly*
2528 mono_assembly_load_from_gac (MonoAssemblyName *aname, gchar *filename, MonoImageOpenStatus *status, MonoBoolean refonly)
2530 MonoAssembly *result = NULL;
2531 gchar *name, *version, *culture, *fullpath, *subpath;
2536 if (aname->public_key_token [0] == 0) {
2540 if (strstr (aname->name, ".dll")) {
2541 len = strlen (filename) - 4;
2542 name = g_malloc (len);
2543 strncpy (name, aname->name, len);
2545 name = g_strdup (aname->name);
2548 if (aname->culture) {
2549 culture = g_utf8_strdown (aname->culture, -1);
2551 culture = g_strdup ("");
2554 pubtok = g_ascii_strdown ((char*)aname->public_key_token, MONO_PUBLIC_KEY_TOKEN_LENGTH);
2555 version = g_strdup_printf ("%d.%d.%d.%d_%s_%s", aname->major,
2556 aname->minor, aname->build, aname->revision,
2560 subpath = g_build_path (G_DIR_SEPARATOR_S, name, version, filename, NULL);
2565 if (extra_gac_paths) {
2566 paths = extra_gac_paths;
2567 while (!result && *paths) {
2568 fullpath = g_build_path (G_DIR_SEPARATOR_S, *paths, "lib", "mono", "gac", subpath, NULL);
2569 result = mono_assembly_open_full (fullpath, status, refonly);
2576 result->in_gac = TRUE;
2581 fullpath = g_build_path (G_DIR_SEPARATOR_S, mono_assembly_getrootdir (),
2582 "mono", "gac", subpath, NULL);
2583 result = mono_assembly_open_full (fullpath, status, refonly);
2587 result->in_gac = TRUE;
2595 mono_assembly_load_corlib (const MonoRuntimeInfo *runtime, MonoImageOpenStatus *status)
2598 MonoAssemblyName *aname;
2601 /* g_print ("corlib already loaded\n"); */
2605 #if defined(__native_client__)
2606 if (corlibData != NULL && corlibSize != 0) {
2608 /* First "FALSE" instructs mono not to make a copy. */
2609 /* Second "FALSE" says this is not just a ref. */
2610 MonoImage* image = mono_image_open_from_data_full (corlibData, corlibSize, FALSE, &status, FALSE);
2611 if (image == NULL || status != 0)
2612 g_print("mono_image_open_from_data_full failed: %d\n", status);
2613 corlib = mono_assembly_load_from_full (image, "mscorlib", &status, FALSE);
2614 if (corlib == NULL || status != 0)
2615 g_print ("mono_assembly_load_from_full failed: %d\n", status);
2621 aname = mono_assembly_name_new ("mscorlib.dll");
2622 corlib = invoke_assembly_preload_hook (aname, assemblies_path);
2623 mono_assembly_name_free (aname);
2628 if (assemblies_path) {
2629 corlib = load_in_path ("mscorlib.dll", (const char**)assemblies_path, status, FALSE);
2634 /* Load corlib from mono/<version> */
2636 corlib_file = g_build_filename ("mono", runtime->framework_version, "mscorlib.dll", NULL);
2637 if (assemblies_path) {
2638 corlib = load_in_path (corlib_file, (const char**)assemblies_path, status, FALSE);
2640 g_free (corlib_file);
2644 corlib = load_in_path (corlib_file, default_path, status, FALSE);
2645 g_free (corlib_file);
2651 mono_assembly_load_full_nosearch (MonoAssemblyName *aname,
2652 const char *basedir,
2653 MonoImageOpenStatus *status,
2656 MonoAssembly *result;
2657 char *fullpath, *filename;
2658 #ifndef DISABLE_ASSEMBLY_REMAPPING
2659 MonoAssemblyName maped_aname;
2661 MonoAssemblyName maped_name_pp;
2666 #ifndef DISABLE_ASSEMBLY_REMAPPING
2667 aname = mono_assembly_remap_version (aname, &maped_aname);
2670 /* Reflection only assemblies don't get assembly binding */
2672 aname = mono_assembly_apply_binding (aname, &maped_name_pp);
2674 result = mono_assembly_loaded_full (aname, refonly);
2678 result = refonly ? invoke_assembly_refonly_preload_hook (aname, assemblies_path) : invoke_assembly_preload_hook (aname, assemblies_path);
2680 result->in_gac = FALSE;
2684 /* Currently we retrieve the loaded corlib for reflection
2685 * only requests, like a common reflection only assembly
2687 if (strcmp (aname->name, "mscorlib") == 0 || strcmp (aname->name, "mscorlib.dll") == 0) {
2688 return mono_assembly_load_corlib (mono_get_runtime_info (), status);
2691 len = strlen (aname->name);
2692 for (ext_index = 0; ext_index < 2; ext_index ++) {
2693 ext = ext_index == 0 ? ".dll" : ".exe";
2694 if (len > 4 && (!strcmp (aname->name + len - 4, ".dll") || !strcmp (aname->name + len - 4, ".exe"))) {
2695 filename = g_strdup (aname->name);
2696 /* Don't try appending .dll/.exe if it already has one of those extensions */
2699 filename = g_strconcat (aname->name, ext, NULL);
2702 result = mono_assembly_load_from_gac (aname, filename, status, refonly);
2709 fullpath = g_build_filename (basedir, filename, NULL);
2710 result = mono_assembly_open_full (fullpath, status, refonly);
2713 result->in_gac = FALSE;
2719 result = load_in_path (filename, default_path, status, refonly);
2721 result->in_gac = FALSE;
2731 * mono_assembly_load_full:
2732 * @aname: A MonoAssemblyName with the assembly name to load.
2733 * @basedir: A directory to look up the assembly at.
2734 * @status: a pointer to a MonoImageOpenStatus to return the status of the load operation
2735 * @refonly: Whether this assembly is being opened in "reflection-only" mode.
2737 * Loads the assembly referenced by @aname, if the value of @basedir is not NULL, it
2738 * attempts to load the assembly from that directory before probing the standard locations.
2740 * If the assembly is being opened in reflection-only mode (@refonly set to TRUE) then no
2741 * assembly binding takes place.
2743 * Returns: the assembly referenced by @aname loaded or NULL on error. On error the
2744 * value pointed by status is updated with an error code.
2747 mono_assembly_load_full (MonoAssemblyName *aname, const char *basedir, MonoImageOpenStatus *status, gboolean refonly)
2749 MonoAssembly *result = mono_assembly_load_full_nosearch (aname, basedir, status, refonly);
2752 /* Try a postload search hook */
2753 result = mono_assembly_invoke_search_hook_internal (aname, refonly, TRUE);
2758 * mono_assembly_load:
2759 * @aname: A MonoAssemblyName with the assembly name to load.
2760 * @basedir: A directory to look up the assembly at.
2761 * @status: a pointer to a MonoImageOpenStatus to return the status of the load operation
2763 * Loads the assembly referenced by @aname, if the value of @basedir is not NULL, it
2764 * attempts to load the assembly from that directory before probing the standard locations.
2766 * Returns: the assembly referenced by @aname loaded or NULL on error. On error the
2767 * value pointed by status is updated with an error code.
2770 mono_assembly_load (MonoAssemblyName *aname, const char *basedir, MonoImageOpenStatus *status)
2772 return mono_assembly_load_full (aname, basedir, status, FALSE);
2776 mono_assembly_loaded_full (MonoAssemblyName *aname, gboolean refonly)
2779 #ifndef DISABLE_ASSEMBLY_REMAPPING
2780 MonoAssemblyName maped_aname;
2782 aname = mono_assembly_remap_version (aname, &maped_aname);
2785 res = mono_assembly_invoke_search_hook_internal (aname, refonly, FALSE);
2791 * mono_assembly_loaded:
2792 * @aname: an assembly to look for.
2794 * Returns: NULL If the given @aname assembly has not been loaded, or a pointer to
2795 * a MonoAssembly that matches the MonoAssemblyName specified.
2798 mono_assembly_loaded (MonoAssemblyName *aname)
2800 return mono_assembly_loaded_full (aname, FALSE);
2804 * Returns whether mono_assembly_close_finish() must be called as
2805 * well. See comment for mono_image_close_except_pools() for why we
2806 * unload in two steps.
2809 mono_assembly_close_except_image_pools (MonoAssembly *assembly)
2812 g_return_val_if_fail (assembly != NULL, FALSE);
2814 if (assembly == REFERENCE_MISSING)
2817 /* Might be 0 already */
2818 if (InterlockedDecrement (&assembly->ref_count) > 0)
2821 mono_profiler_assembly_event (assembly, MONO_PROFILE_START_UNLOAD);
2823 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_ASSEMBLY, "Unloading assembly %s [%p].", assembly->aname.name, assembly);
2825 mono_debug_close_image (assembly->image);
2827 mono_assemblies_lock ();
2828 loaded_assemblies = g_list_remove (loaded_assemblies, assembly);
2829 mono_assemblies_unlock ();
2831 assembly->image->assembly = NULL;
2833 if (!mono_image_close_except_pools (assembly->image))
2834 assembly->image = NULL;
2836 for (tmp = assembly->friend_assembly_names; tmp; tmp = tmp->next) {
2837 MonoAssemblyName *fname = tmp->data;
2838 mono_assembly_name_free (fname);
2841 g_slist_free (assembly->friend_assembly_names);
2842 g_free (assembly->basedir);
2844 mono_profiler_assembly_event (assembly, MONO_PROFILE_END_UNLOAD);
2850 mono_assembly_close_finish (MonoAssembly *assembly)
2852 g_assert (assembly && assembly != REFERENCE_MISSING);
2854 if (assembly->image)
2855 mono_image_close_finish (assembly->image);
2857 if (assembly->dynamic) {
2858 g_free ((char*)assembly->aname.culture);
2865 * mono_assembly_close:
2866 * @assembly: the assembly to release.
2868 * This method releases a reference to the @assembly. The assembly is
2869 * only released when all the outstanding references to it are released.
2872 mono_assembly_close (MonoAssembly *assembly)
2874 if (mono_assembly_close_except_image_pools (assembly))
2875 mono_assembly_close_finish (assembly);
2879 mono_assembly_load_module (MonoAssembly *assembly, guint32 idx)
2881 return mono_image_load_file_for_image (assembly->image, idx);
2885 mono_assembly_foreach (GFunc func, gpointer user_data)
2890 * We make a copy of the list to avoid calling the callback inside the
2891 * lock, which could lead to deadlocks.
2893 mono_assemblies_lock ();
2894 copy = g_list_copy (loaded_assemblies);
2895 mono_assemblies_unlock ();
2897 g_list_foreach (loaded_assemblies, func, user_data);
2903 * mono_assemblies_cleanup:
2905 * Free all resources used by this module.
2908 mono_assemblies_cleanup (void)
2912 DeleteCriticalSection (&assemblies_mutex);
2914 for (l = loaded_assembly_bindings; l; l = l->next) {
2915 MonoAssemblyBindingInfo *info = l->data;
2917 mono_assembly_binding_info_free (info);
2920 g_slist_free (loaded_assembly_bindings);
2922 free_assembly_load_hooks ();
2923 free_assembly_search_hooks ();
2924 free_assembly_preload_hooks ();
2927 /*LOCKING assumes loader lock is held*/
2929 mono_assembly_cleanup_domain_bindings (guint32 domain_id)
2931 GSList **iter = &loaded_assembly_bindings;
2935 MonoAssemblyBindingInfo *info = l->data;
2937 if (info->domain_id == domain_id) {
2939 mono_assembly_binding_info_free (info);
2949 * Holds the assembly of the application, for
2950 * System.Diagnostics.Process::MainModule
2952 static MonoAssembly *main_assembly=NULL;
2955 mono_assembly_set_main (MonoAssembly *assembly)
2957 main_assembly = assembly;
2961 * mono_assembly_get_main:
2963 * Returns: the assembly for the application, the first assembly that is loaded by the VM
2966 mono_assembly_get_main (void)
2968 return (main_assembly);
2972 * mono_assembly_get_image:
2973 * @assembly: The assembly to retrieve the image from
2975 * Returns: the MonoImage associated with this assembly.
2978 mono_assembly_get_image (MonoAssembly *assembly)
2980 return assembly->image;
2984 mono_register_bundled_assemblies (const MonoBundledAssembly **assemblies)
2986 bundles = assemblies;
2989 #define MONO_DECLSEC_FORMAT_10 0x3C
2990 #define MONO_DECLSEC_FORMAT_20 0x2E
2991 #define MONO_DECLSEC_FIELD 0x53
2992 #define MONO_DECLSEC_PROPERTY 0x54
2994 #define SKIP_VISIBILITY_XML_ATTRIBUTE ("\"SkipVerification\"")
2995 #define SKIP_VISIBILITY_ATTRIBUTE_NAME ("System.Security.Permissions.SecurityPermissionAttribute")
2996 #define SKIP_VISIBILITY_ATTRIBUTE_SIZE (sizeof (SKIP_VISIBILITY_ATTRIBUTE_NAME) - 1)
2997 #define SKIP_VISIBILITY_PROPERTY_NAME ("SkipVerification")
2998 #define SKIP_VISIBILITY_PROPERTY_SIZE (sizeof (SKIP_VISIBILITY_PROPERTY_NAME) - 1)
3001 mono_assembly_try_decode_skip_verification_param (const char *p, const char **resp, gboolean *abort_decoding)
3005 case MONO_DECLSEC_PROPERTY:
3007 case MONO_DECLSEC_FIELD:
3009 *abort_decoding = TRUE;
3014 if (*p++ != MONO_TYPE_BOOLEAN) {
3015 *abort_decoding = TRUE;
3019 /* property name length */
3020 len = mono_metadata_decode_value (p, &p);
3022 if (len >= SKIP_VISIBILITY_PROPERTY_SIZE && !memcmp (p, SKIP_VISIBILITY_PROPERTY_NAME, SKIP_VISIBILITY_PROPERTY_SIZE)) {
3033 mono_assembly_try_decode_skip_verification (const char *p, const char *endn)
3035 int i, j, num, len, params_len;
3037 if (*p == MONO_DECLSEC_FORMAT_10) {
3038 gsize read, written;
3039 char *res = g_convert (p, endn - p, "UTF-8", "UTF-16LE", &read, &written, NULL);
3041 gboolean found = strstr (res, SKIP_VISIBILITY_XML_ATTRIBUTE) != NULL;
3047 if (*p++ != MONO_DECLSEC_FORMAT_20)
3050 /* number of encoded permission attributes */
3051 num = mono_metadata_decode_value (p, &p);
3052 for (i = 0; i < num; ++i) {
3053 gboolean is_valid = FALSE;
3054 gboolean abort_decoding = FALSE;
3056 /* attribute name length */
3057 len = mono_metadata_decode_value (p, &p);
3059 /* We don't really need to fully decode the type. Comparing the name is enough */
3060 is_valid = len >= SKIP_VISIBILITY_ATTRIBUTE_SIZE && !memcmp (p, SKIP_VISIBILITY_ATTRIBUTE_NAME, SKIP_VISIBILITY_ATTRIBUTE_SIZE);
3064 /*size of the params table*/
3065 params_len = mono_metadata_decode_value (p, &p);
3067 const char *params_end = p + params_len;
3069 /* number of parameters */
3070 len = mono_metadata_decode_value (p, &p);
3072 for (j = 0; j < len; ++j) {
3073 if (mono_assembly_try_decode_skip_verification_param (p, &p, &abort_decoding))
3089 mono_assembly_has_skip_verification (MonoAssembly *assembly)
3092 guint32 cols [MONO_DECL_SECURITY_SIZE];
3096 if (MONO_SECMAN_FLAG_INIT (assembly->skipverification))
3097 return MONO_SECMAN_FLAG_GET_VALUE (assembly->skipverification);
3099 t = &assembly->image->tables [MONO_TABLE_DECLSECURITY];
3101 for (i = 0; i < t->rows; ++i) {
3102 mono_metadata_decode_row (t, i, cols, MONO_DECL_SECURITY_SIZE);
3103 if ((cols [MONO_DECL_SECURITY_PARENT] & MONO_HAS_DECL_SECURITY_MASK) != MONO_HAS_DECL_SECURITY_ASSEMBLY)
3105 if (cols [MONO_DECL_SECURITY_ACTION] != SECURITY_ACTION_REQMIN)
3108 blob = mono_metadata_blob_heap (assembly->image, cols [MONO_DECL_SECURITY_PERMISSIONSET]);
3109 len = mono_metadata_decode_blob_size (blob, &blob);
3113 if (mono_assembly_try_decode_skip_verification (blob, blob + len)) {
3114 MONO_SECMAN_FLAG_SET_VALUE (assembly->skipverification, TRUE);
3119 MONO_SECMAN_FLAG_SET_VALUE (assembly->skipverification, FALSE);