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)
9 * Copyright 2011 Xamarin, Inc (http://www.xamarin.com)
19 #include "object-internals.h"
20 #include <mono/metadata/loader.h>
21 #include <mono/metadata/tabledefs.h>
22 #include <mono/metadata/metadata-internals.h>
23 #include <mono/metadata/profiler-private.h>
24 #include <mono/metadata/class-internals.h>
25 #include <mono/metadata/domain-internals.h>
26 #include <mono/metadata/mono-endian.h>
27 #include <mono/metadata/mono-debug.h>
28 #include <mono/io-layer/io-layer.h>
29 #include <mono/utils/mono-uri.h>
30 #include <mono/metadata/mono-config.h>
31 #include <mono/utils/mono-digest.h>
32 #include <mono/utils/mono-logger-internal.h>
33 #include <mono/utils/mono-path.h>
34 #include <mono/metadata/reflection.h>
35 #include <mono/metadata/coree.h>
36 #include <mono/utils/mono-io-portability.h>
37 #include <mono/utils/atomic.h>
40 #include <sys/types.h>
45 #ifdef PLATFORM_MACOSX
46 #include <mach-o/dyld.h>
49 /* AssemblyVersionMap: an assembly name and the assembly version set on which it is based */
51 const char* assembly_name;
52 guint8 version_set_index;
55 /* the default search path is empty, the first slot is replaced with the computed value */
62 /* Contains the list of directories to be searched for assemblies (MONO_PATH) */
63 static char **assemblies_path = NULL;
65 /* Contains the list of directories that point to auxiliary GACs */
66 static char **extra_gac_paths = NULL;
68 #ifndef DISABLE_ASSEMBLY_REMAPPING
69 /* The list of system assemblies what will be remapped to the running
70 * runtime version. WARNING: this list must be sorted.
71 * The integer number is an index in the MonoRuntimeInfo structure, whose
72 * values can be found in domain.c - supported_runtimes. Look there
73 * to understand what remapping will be made.
75 static const AssemblyVersionMap framework_assemblies [] = {
77 {"Commons.Xml.Relaxng", 0},
84 {"Microsoft.VisualBasic", 1},
85 {"Microsoft.VisualC", 1},
87 {"Mono.CompilerServices.SymbolWriter", 0},
89 {"Mono.Data.SybaseClient", 0},
91 {"Mono.Data.TdsClient", 0},
92 {"Mono.GetOptions", 0},
96 {"Mono.Security.Win32", 0},
98 {"Novell.Directory.Ldap", 0},
102 {"System.ComponentModel.DataAnnotations", 2},
103 {"System.Configuration", 0},
104 {"System.Configuration.Install", 0},
107 {"System.Data.Linq", 2},
108 {"System.Data.OracleClient", 0},
109 {"System.Data.SqlXml", 0},
110 {"System.Design", 0},
111 {"System.DirectoryServices", 0},
112 {"System.Drawing", 0},
113 {"System.Drawing.Design", 0},
114 {"System.EnterpriseServices", 0},
115 {"System.Management", 0},
116 {"System.Messaging", 0},
117 {"System.Runtime.Remoting", 0},
118 {"System.Runtime.Serialization", 3},
119 {"System.Runtime.Serialization.Formatters.Soap", 0},
120 {"System.Security", 0},
121 {"System.ServiceProcess", 0},
122 {"System.Transactions", 0},
124 {"System.Web.Abstractions", 2},
125 {"System.Web.Mobile", 0},
126 {"System.Web.Routing", 2},
127 {"System.Web.Services", 0},
128 {"System.Windows.Forms", 0},
135 * keeps track of loaded assemblies
137 static GList *loaded_assemblies = NULL;
138 static MonoAssembly *corlib;
140 #if defined(__native_client__)
142 /* On Native Client, allow mscorlib to be loaded from memory */
143 /* instead of loaded off disk. If these are not set, default */
144 /* mscorlib loading will take place */
146 /* NOTE: If mscorlib data is passed to mono in this way then */
147 /* it needs to remain allocated during the use of mono. */
149 static void *corlibData = NULL;
150 static size_t corlibSize = 0;
153 mono_set_corlib_data (void *data, size_t size)
161 /* This protects loaded_assemblies and image->references */
162 #define mono_assemblies_lock() EnterCriticalSection (&assemblies_mutex)
163 #define mono_assemblies_unlock() LeaveCriticalSection (&assemblies_mutex)
164 static CRITICAL_SECTION assemblies_mutex;
166 /* If defined, points to the bundled assembly information */
167 const MonoBundledAssembly **bundles;
169 /* Loaded assembly binding info */
170 static GSList *loaded_assembly_bindings = NULL;
173 mono_assembly_invoke_search_hook_internal (MonoAssemblyName *aname, gboolean refonly, gboolean postload);
175 mono_assembly_is_in_gac (const gchar *filanem);
178 encode_public_tok (const guchar *token, gint32 len)
180 const static gchar allowed [] = { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f' };
184 res = g_malloc (len * 2 + 1);
185 for (i = 0; i < len; i++) {
186 res [i * 2] = allowed [token [i] >> 4];
187 res [i * 2 + 1] = allowed [token [i] & 0xF];
194 * mono_public_tokens_are_equal:
195 * @pubt1: first public key token
196 * @pubt2: second public key token
198 * Compare two public key tokens and return #TRUE is they are equal and #FALSE
202 mono_public_tokens_are_equal (const unsigned char *pubt1, const unsigned char *pubt2)
204 return memcmp (pubt1, pubt2, 16) == 0;
208 * mono_set_assemblies_path:
209 * @path: list of paths that contain directories where Mono will look for assemblies
211 * Use this method to override the standard assembly lookup system and
212 * override any assemblies coming from the GAC. This is the method
213 * that supports the MONO_PATH variable.
215 * Notice that MONO_PATH and this method are really a very bad idea as
216 * it prevents the GAC from working and it prevents the standard
217 * resolution mechanisms from working. Nonetheless, for some debugging
218 * situations and bootstrapping setups, this is useful to have.
221 mono_set_assemblies_path (const char* path)
223 char **splitted, **dest;
225 splitted = g_strsplit (path, G_SEARCHPATH_SEPARATOR_S, 1000);
227 g_strfreev (assemblies_path);
228 assemblies_path = dest = splitted;
236 if (g_getenv ("MONO_DEBUG") == NULL)
239 splitted = assemblies_path;
241 if (**splitted && !g_file_test (*splitted, G_FILE_TEST_IS_DIR))
242 g_warning ("'%s' in MONO_PATH doesn't exist or has wrong permissions.", *splitted);
248 /* Native Client can't get this info from an environment variable so */
249 /* it's passed in to the runtime, or set manually by embedding code. */
250 #ifdef __native_client__
251 char* nacl_mono_path = NULL;
255 check_path_env (void)
258 #ifdef __native_client__
259 path = nacl_mono_path;
261 path = g_getenv ("MONO_PATH");
263 if (!path || assemblies_path != NULL)
266 mono_set_assemblies_path(path);
270 check_extra_gac_path_env (void) {
272 char **splitted, **dest;
274 path = g_getenv ("MONO_GAC_PREFIX");
278 splitted = g_strsplit (path, G_SEARCHPATH_SEPARATOR_S, 1000);
280 g_strfreev (extra_gac_paths);
281 extra_gac_paths = dest = splitted;
289 if (g_getenv ("MONO_DEBUG") == NULL)
293 if (**splitted && !g_file_test (*splitted, G_FILE_TEST_IS_DIR))
294 g_warning ("'%s' in MONO_GAC_PREFIX doesn't exist or has wrong permissions.", *splitted);
301 assembly_binding_maps_name (MonoAssemblyBindingInfo *info, MonoAssemblyName *aname)
303 if (!info || !info->name)
306 if (strcmp (info->name, aname->name))
309 if (info->major != aname->major || info->minor != aname->minor)
312 if ((info->culture != NULL && info->culture [0]) != (aname->culture != NULL && aname->culture [0]))
315 if (info->culture && aname->culture && strcmp (info->culture, aname->culture))
318 if (!mono_public_tokens_are_equal (info->public_key_token, aname->public_key_token))
325 mono_assembly_binding_info_free (MonoAssemblyBindingInfo *info)
331 g_free (info->culture);
335 get_publisher_policy_info (MonoImage *image, MonoAssemblyName *aname, MonoAssemblyBindingInfo *binding_info)
338 guint32 cols [MONO_MANIFEST_SIZE];
339 const gchar *filename;
340 gchar *subpath, *fullpath;
342 t = &image->tables [MONO_TABLE_MANIFESTRESOURCE];
343 /* MS Impl. accepts policy assemblies with more than
344 * one manifest resource, and only takes the first one */
346 binding_info->is_valid = FALSE;
350 mono_metadata_decode_row (t, 0, cols, MONO_MANIFEST_SIZE);
351 if ((cols [MONO_MANIFEST_IMPLEMENTATION] & MONO_IMPLEMENTATION_MASK) != MONO_IMPLEMENTATION_FILE) {
352 binding_info->is_valid = FALSE;
356 filename = mono_metadata_string_heap (image, cols [MONO_MANIFEST_NAME]);
357 g_assert (filename != NULL);
359 subpath = g_path_get_dirname (image->name);
360 fullpath = g_build_path (G_DIR_SEPARATOR_S, subpath, filename, NULL);
361 mono_config_parse_publisher_policy (fullpath, binding_info);
365 /* Define the optional elements/attributes before checking */
366 if (!binding_info->culture)
367 binding_info->culture = g_strdup ("");
369 /* Check that the most important elements/attributes exist */
370 if (!binding_info->name || !binding_info->public_key_token [0] || !binding_info->has_old_version_bottom ||
371 !binding_info->has_new_version || !assembly_binding_maps_name (binding_info, aname)) {
372 mono_assembly_binding_info_free (binding_info);
373 binding_info->is_valid = FALSE;
377 binding_info->is_valid = TRUE;
381 compare_versions (AssemblyVersionSet *v, MonoAssemblyName *aname)
383 if (v->major > aname->major)
385 else if (v->major < aname->major)
388 if (v->minor > aname->minor)
390 else if (v->minor < aname->minor)
393 if (v->build > aname->build)
395 else if (v->build < aname->build)
398 if (v->revision > aname->revision)
400 else if (v->revision < aname->revision)
407 check_policy_versions (MonoAssemblyBindingInfo *info, MonoAssemblyName *name)
412 /* If has_old_version_top doesn't exist, we don't have an interval */
413 if (!info->has_old_version_top) {
414 if (compare_versions (&info->old_version_bottom, name) == 0)
420 /* Check that the version defined by name is valid for the interval */
421 if (compare_versions (&info->old_version_top, name) < 0)
424 /* We should be greater or equal than the small version */
425 if (compare_versions (&info->old_version_bottom, name) > 0)
432 * mono_assembly_names_equal:
434 * @r: second assembly.
436 * Compares two MonoAssemblyNames and returns whether they are equal.
438 * This compares the names, the cultures, the release version and their
441 * Returns: TRUE if both assembly names are equal.
444 mono_assembly_names_equal (MonoAssemblyName *l, MonoAssemblyName *r)
446 if (!l->name || !r->name)
449 if (strcmp (l->name, r->name))
452 if (l->culture && r->culture && strcmp (l->culture, r->culture))
455 if (l->major != r->major || l->minor != r->minor ||
456 l->build != r->build || l->revision != r->revision)
457 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)))
460 if (!l->public_key_token [0] || !r->public_key_token [0])
463 if (!mono_public_tokens_are_equal (l->public_key_token, r->public_key_token))
469 static MonoAssembly *
470 load_in_path (const char *basename, const char** search_path, MonoImageOpenStatus *status, MonoBoolean refonly)
474 MonoAssembly *result;
476 for (i = 0; search_path [i]; ++i) {
477 fullpath = g_build_filename (search_path [i], basename, NULL);
478 result = mono_assembly_open_full (fullpath, status, refonly);
487 * mono_assembly_setrootdir:
488 * @root_dir: The pathname of the root directory where we will locate assemblies
490 * This routine sets the internal default root directory for looking up
493 * This is used by Windows installations to compute dynamically the
494 * place where the Mono assemblies are located.
498 mono_assembly_setrootdir (const char *root_dir)
501 * Override the MONO_ASSEMBLIES directory configured at compile time.
503 /* Leak if called more than once */
504 default_path [0] = g_strdup (root_dir);
508 * mono_assembly_getrootdir:
510 * Obtains the root directory used for looking up assemblies.
512 * Returns: a string with the directory, this string should not be freed.
514 G_CONST_RETURN gchar *
515 mono_assembly_getrootdir (void)
517 return default_path [0];
522 * @assembly_dir: the base directory for assemblies
523 * @config_dir: the base directory for configuration files
525 * This routine is used internally and by developers embedding
526 * the runtime into their own applications.
528 * There are a number of cases to consider: Mono as a system-installed
529 * package that is available on the location preconfigured or Mono in
530 * a relocated location.
532 * If you are using a system-installed Mono, you can pass NULL
533 * to both parameters. If you are not, you should compute both
534 * directory values and call this routine.
536 * The values for a given PREFIX are:
538 * assembly_dir: PREFIX/lib
539 * config_dir: PREFIX/etc
541 * Notice that embedders that use Mono in a relocated way must
542 * compute the location at runtime, as they will be in control
543 * of where Mono is installed.
546 mono_set_dirs (const char *assembly_dir, const char *config_dir)
548 #if defined (MONO_ASSEMBLIES)
549 if (assembly_dir == NULL)
550 assembly_dir = MONO_ASSEMBLIES;
552 #if defined (MONO_CFG_DIR)
553 if (config_dir == NULL)
554 config_dir = MONO_CFG_DIR;
556 mono_assembly_setrootdir (assembly_dir);
557 mono_set_config_dir (config_dir);
563 compute_base (char *path)
565 char *p = strrchr (path, '/');
569 /* Not a well known Mono executable, we are embedded, cant guess the base */
570 if (strcmp (p, "/mono") && strcmp (p, "/mono-sgen") && strcmp (p, "/pedump") && strcmp (p, "/monodis") && strcmp (p, "/mint") && strcmp (p, "/monodiet"))
574 p = strrchr (path, '/');
578 if (strcmp (p, "/bin") != 0)
587 mono_set_dirs (MONO_ASSEMBLIES, MONO_CFG_DIR);
590 static G_GNUC_UNUSED void
594 char *config, *lib, *mono;
598 * Only /usr prefix is treated specially
600 if (strncmp (exe, MONO_BINDIR, strlen (MONO_BINDIR)) == 0 || (base = compute_base (exe)) == NULL){
605 config = g_build_filename (base, "etc", NULL);
606 lib = g_build_filename (base, "lib", NULL);
607 mono = g_build_filename (lib, "mono/2.0", NULL);
608 if (stat (mono, &buf) == -1)
611 mono_set_dirs (lib, config);
619 #endif /* HOST_WIN32 */
624 * Registers the root directory for the Mono runtime, for Linux and Solaris 10,
625 * this auto-detects the prefix where Mono was installed.
628 mono_set_rootdir (void)
630 #if defined(HOST_WIN32) || (defined(PLATFORM_MACOSX) && !defined(TARGET_ARM))
631 gchar *bindir, *installdir, *root, *name, *resolvedname, *config;
634 name = mono_get_module_file_name ((HMODULE) &__ImageBase);
638 * _NSGetExecutablePath may return -1 to indicate buf is not large
639 * enough, but we ignore that case to avoid having to do extra dynamic
640 * allocation for the path and hope that 4096 is enough - this is
641 * ok in the Linux/Solaris case below at least...
645 guint buf_size = sizeof (buf);
647 if (_NSGetExecutablePath (buf, &buf_size) == 0)
648 name = g_strdup (buf);
657 resolvedname = mono_path_resolve_symlinks (name);
659 bindir = g_path_get_dirname (resolvedname);
660 installdir = g_path_get_dirname (bindir);
661 root = g_build_path (G_DIR_SEPARATOR_S, installdir, "lib", NULL);
663 config = g_build_filename (root, "..", "etc", NULL);
665 mono_set_dirs (root, config);
667 if (g_file_test (root, G_FILE_TEST_EXISTS) && g_file_test (config, G_FILE_TEST_EXISTS))
668 mono_set_dirs (root, config);
678 g_free (resolvedname);
679 #elif defined(DISABLE_MONO_AUTODETECTION)
687 s = readlink ("/proc/self/exe", buf, sizeof (buf)-1);
695 /* Solaris 10 style */
696 str = g_strdup_printf ("/proc/%d/path/a.out", getpid ());
697 s = readlink (str, buf, sizeof (buf)-1);
709 * mono_assemblies_init:
711 * Initialize global variables used by this module.
714 mono_assemblies_init (void)
717 * Initialize our internal paths if we have not been initialized yet.
718 * This happens when embedders use Mono.
720 if (mono_assembly_getrootdir () == NULL)
724 check_extra_gac_path_env ();
726 InitializeCriticalSection (&assemblies_mutex);
730 mono_assembly_fill_assembly_name (MonoImage *image, MonoAssemblyName *aname)
732 MonoTableInfo *t = &image->tables [MONO_TABLE_ASSEMBLY];
733 guint32 cols [MONO_ASSEMBLY_SIZE];
738 mono_metadata_decode_row (t, 0, cols, MONO_ASSEMBLY_SIZE);
741 aname->hash_value = NULL;
742 aname->name = mono_metadata_string_heap (image, cols [MONO_ASSEMBLY_NAME]);
743 aname->culture = mono_metadata_string_heap (image, cols [MONO_ASSEMBLY_CULTURE]);
744 aname->flags = cols [MONO_ASSEMBLY_FLAGS];
745 aname->major = cols [MONO_ASSEMBLY_MAJOR_VERSION];
746 aname->minor = cols [MONO_ASSEMBLY_MINOR_VERSION];
747 aname->build = cols [MONO_ASSEMBLY_BUILD_NUMBER];
748 aname->revision = cols [MONO_ASSEMBLY_REV_NUMBER];
749 aname->hash_alg = cols [MONO_ASSEMBLY_HASH_ALG];
750 if (cols [MONO_ASSEMBLY_PUBLIC_KEY]) {
751 guchar* token = g_malloc (8);
756 pkey = mono_metadata_blob_heap (image, cols [MONO_ASSEMBLY_PUBLIC_KEY]);
757 len = mono_metadata_decode_blob_size (pkey, &pkey);
758 aname->public_key = (guchar*)pkey;
760 mono_digest_get_public_token (token, aname->public_key, len);
761 encoded = encode_public_tok (token, 8);
762 g_strlcpy ((char*)aname->public_key_token, encoded, MONO_PUBLIC_KEY_TOKEN_LENGTH);
768 aname->public_key = NULL;
769 memset (aname->public_key_token, 0, MONO_PUBLIC_KEY_TOKEN_LENGTH);
772 if (cols [MONO_ASSEMBLY_PUBLIC_KEY]) {
773 aname->public_key = (guchar*)mono_metadata_blob_heap (image, cols [MONO_ASSEMBLY_PUBLIC_KEY]);
776 aname->public_key = 0;
782 * mono_stringify_assembly_name:
783 * @aname: the assembly name.
785 * Convert @aname into its string format. The returned string is dynamically
786 * allocated and should be freed by the caller.
788 * Returns: a newly allocated string with a string representation of
792 mono_stringify_assembly_name (MonoAssemblyName *aname)
794 const char *quote = (aname->name && g_ascii_isspace (aname->name [0])) ? "\"" : "";
796 return g_strdup_printf (
797 "%s%s%s, Version=%d.%d.%d.%d, Culture=%s, PublicKeyToken=%s%s",
798 quote, aname->name, quote,
799 aname->major, aname->minor, aname->build, aname->revision,
800 aname->culture && *aname->culture? aname->culture: "neutral",
801 aname->public_key_token [0] ? (char *)aname->public_key_token : "null",
802 (aname->flags & ASSEMBLYREF_RETARGETABLE_FLAG) ? ", Retargetable=Yes" : "");
806 assemblyref_public_tok (MonoImage *image, guint32 key_index, guint32 flags)
808 const gchar *public_tok;
811 public_tok = mono_metadata_blob_heap (image, key_index);
812 len = mono_metadata_decode_blob_size (public_tok, &public_tok);
814 if (flags & ASSEMBLYREF_FULL_PUBLIC_KEY_FLAG) {
816 mono_digest_get_public_token (token, (guchar*)public_tok, len);
817 return encode_public_tok (token, 8);
820 return encode_public_tok ((guchar*)public_tok, len);
824 * mono_assembly_addref:
825 * @assemnly: the assembly to reference
827 * This routine increments the reference count on a MonoAssembly.
828 * The reference count is reduced every time the method mono_assembly_close() is
832 mono_assembly_addref (MonoAssembly *assembly)
834 InterlockedIncrement (&assembly->ref_count);
837 #define SILVERLIGHT_KEY "7cec85d7bea7798e"
838 #define WINFX_KEY "31bf3856ad364e35"
839 #define ECMA_KEY "b77a5c561934e089"
840 #define MSFINAL_KEY "b03f5f7f11d50a3a"
848 static KeyRemapEntry key_remap_table[] = {
849 { "Microsoft.CSharp", WINFX_KEY, MSFINAL_KEY },
850 { "System", SILVERLIGHT_KEY, ECMA_KEY },
851 { "System.ComponentModel.Composition", WINFX_KEY, ECMA_KEY },
852 { "System.ComponentModel.DataAnnotations", "ddd0da4d3e678217", WINFX_KEY },
853 { "System.Core", SILVERLIGHT_KEY, ECMA_KEY },
854 { "System.Numerics", WINFX_KEY, ECMA_KEY },
855 { "System.Runtime.Serialization", SILVERLIGHT_KEY, ECMA_KEY },
856 { "System.ServiceModel", WINFX_KEY, ECMA_KEY },
857 { "System.ServiceModel.Web", SILVERLIGHT_KEY, WINFX_KEY },
858 { "System.Windows", SILVERLIGHT_KEY, MSFINAL_KEY },
859 { "System.Xml", SILVERLIGHT_KEY, ECMA_KEY },
860 { "System.Xml.Linq", WINFX_KEY, ECMA_KEY },
861 { "System.Xml.Serialization", WINFX_KEY, MSFINAL_KEY }
865 remap_keys (MonoAssemblyName *aname)
868 for (i = 0; i < G_N_ELEMENTS (key_remap_table); i++) {
869 const KeyRemapEntry *entry = &key_remap_table [i];
871 if (strcmp (aname->name, entry->name) ||
872 !mono_public_tokens_are_equal (aname->public_key_token, (const unsigned char*) entry->from))
875 memcpy (aname->public_key_token, entry->to, MONO_PUBLIC_KEY_TOKEN_LENGTH);
877 mono_trace (G_LOG_LEVEL_WARNING, MONO_TRACE_ASSEMBLY,
878 "Remapped public key token of retargetable assembly %s from %s to %s",
879 aname->name, entry->from, entry->to);
884 static MonoAssemblyName *
885 mono_assembly_remap_version (MonoAssemblyName *aname, MonoAssemblyName *dest_aname)
887 const MonoRuntimeInfo *current_runtime;
888 int pos, first, last;
890 if (aname->name == NULL) return aname;
892 current_runtime = mono_get_runtime_info ();
894 if (aname->flags & ASSEMBLYREF_RETARGETABLE_FLAG) {
895 const AssemblyVersionSet* vset;
897 /* Remap to current runtime */
898 vset = ¤t_runtime->version_sets [0];
900 memcpy (dest_aname, aname, sizeof(MonoAssemblyName));
901 dest_aname->major = vset->major;
902 dest_aname->minor = vset->minor;
903 dest_aname->build = vset->build;
904 dest_aname->revision = vset->revision;
905 dest_aname->flags &= ~ASSEMBLYREF_RETARGETABLE_FLAG;
907 /* Remap assembly name */
908 if (!strcmp (aname->name, "System.Net"))
909 dest_aname->name = g_strdup ("System");
911 remap_keys (dest_aname);
913 mono_trace (G_LOG_LEVEL_WARNING, MONO_TRACE_ASSEMBLY,
914 "The request to load the retargetable assembly %s v%d.%d.%d.%d was remapped to %s v%d.%d.%d.%d",
916 aname->major, aname->minor, aname->build, aname->revision,
918 vset->major, vset->minor, vset->build, vset->revision
924 #ifndef DISABLE_ASSEMBLY_REMAPPING
926 last = G_N_ELEMENTS (framework_assemblies) - 1;
928 while (first <= last) {
930 pos = first + (last - first) / 2;
931 res = strcmp (aname->name, framework_assemblies[pos].assembly_name);
933 const AssemblyVersionSet* vset;
934 int index = framework_assemblies[pos].version_set_index;
935 g_assert (index < G_N_ELEMENTS (current_runtime->version_sets));
936 vset = ¤t_runtime->version_sets [index];
938 if (aname->major == vset->major && aname->minor == vset->minor &&
939 aname->build == vset->build && aname->revision == vset->revision)
942 if ((aname->major | aname->minor | aname->build | aname->revision) != 0)
943 mono_trace (G_LOG_LEVEL_WARNING, MONO_TRACE_ASSEMBLY,
944 "The request to load the assembly %s v%d.%d.%d.%d was remapped to v%d.%d.%d.%d",
946 aname->major, aname->minor, aname->build, aname->revision,
947 vset->major, vset->minor, vset->build, vset->revision
950 memcpy (dest_aname, aname, sizeof(MonoAssemblyName));
951 dest_aname->major = vset->major;
952 dest_aname->minor = vset->minor;
953 dest_aname->build = vset->build;
954 dest_aname->revision = vset->revision;
956 } else if (res < 0) {
968 * mono_assembly_get_assemblyref:
970 * Fill out ANAME with the assembly name of the INDEXth assembly reference in IMAGE.
973 mono_assembly_get_assemblyref (MonoImage *image, int index, MonoAssemblyName *aname)
976 guint32 cols [MONO_ASSEMBLYREF_SIZE];
979 t = &image->tables [MONO_TABLE_ASSEMBLYREF];
981 mono_metadata_decode_row (t, index, cols, MONO_ASSEMBLYREF_SIZE);
983 hash = mono_metadata_blob_heap (image, cols [MONO_ASSEMBLYREF_HASH_VALUE]);
984 aname->hash_len = mono_metadata_decode_blob_size (hash, &hash);
985 aname->hash_value = hash;
986 aname->name = mono_metadata_string_heap (image, cols [MONO_ASSEMBLYREF_NAME]);
987 aname->culture = mono_metadata_string_heap (image, cols [MONO_ASSEMBLYREF_CULTURE]);
988 aname->flags = cols [MONO_ASSEMBLYREF_FLAGS];
989 aname->major = cols [MONO_ASSEMBLYREF_MAJOR_VERSION];
990 aname->minor = cols [MONO_ASSEMBLYREF_MINOR_VERSION];
991 aname->build = cols [MONO_ASSEMBLYREF_BUILD_NUMBER];
992 aname->revision = cols [MONO_ASSEMBLYREF_REV_NUMBER];
994 if (cols [MONO_ASSEMBLYREF_PUBLIC_KEY]) {
995 gchar *token = assemblyref_public_tok (image, cols [MONO_ASSEMBLYREF_PUBLIC_KEY], aname->flags);
996 g_strlcpy ((char*)aname->public_key_token, token, MONO_PUBLIC_KEY_TOKEN_LENGTH);
999 memset (aname->public_key_token, 0, MONO_PUBLIC_KEY_TOKEN_LENGTH);
1004 mono_assembly_load_reference (MonoImage *image, int index)
1006 MonoAssembly *reference;
1007 MonoAssemblyName aname;
1008 MonoImageOpenStatus status;
1011 * image->references is shared between threads, so we need to access
1012 * it inside a critical section.
1014 mono_assemblies_lock ();
1015 if (!image->references) {
1016 MonoTableInfo *t = &image->tables [MONO_TABLE_ASSEMBLYREF];
1018 image->references = g_new0 (MonoAssembly *, t->rows + 1);
1020 reference = image->references [index];
1021 mono_assemblies_unlock ();
1025 mono_assembly_get_assemblyref (image, index, &aname);
1027 if (image->assembly && image->assembly->ref_only) {
1028 /* We use the loaded corlib */
1029 if (!strcmp (aname.name, "mscorlib"))
1030 reference = mono_assembly_load_full (&aname, image->assembly->basedir, &status, FALSE);
1032 reference = mono_assembly_loaded_full (&aname, TRUE);
1034 /* Try a postload search hook */
1035 reference = mono_assembly_invoke_search_hook_internal (&aname, TRUE, TRUE);
1039 * Here we must advice that the error was due to
1040 * a non loaded reference using the ReflectionOnly api
1043 reference = REFERENCE_MISSING;
1045 reference = mono_assembly_load (&aname, image->assembly? image->assembly->basedir: NULL, &status);
1047 if (reference == NULL){
1050 if (status == MONO_IMAGE_ERROR_ERRNO && errno == ENOENT) {
1051 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 : "" );
1052 } else if (status == MONO_IMAGE_ERROR_ERRNO) {
1053 extra_msg = g_strdup_printf ("System error: %s\n", strerror (errno));
1054 } else if (status == MONO_IMAGE_MISSING_ASSEMBLYREF) {
1055 extra_msg = g_strdup ("Cannot find an assembly referenced from this one.\n");
1056 } else if (status == MONO_IMAGE_IMAGE_INVALID) {
1057 extra_msg = g_strdup ("The file exists but is not a valid assembly.\n");
1059 extra_msg = g_strdup ("");
1062 mono_trace (G_LOG_LEVEL_WARNING, MONO_TRACE_ASSEMBLY, "The following assembly referenced from %s could not be loaded:\n"
1063 " Assembly: %s (assemblyref_index=%d)\n"
1064 " Version: %d.%d.%d.%d\n"
1065 " Public Key: %s\n%s",
1066 image->name, aname.name, index,
1067 aname.major, aname.minor, aname.build, aname.revision,
1068 strlen ((char*)aname.public_key_token) == 0 ? "(none)" : (char*)aname.public_key_token, extra_msg);
1072 mono_assemblies_lock ();
1073 if (reference == NULL) {
1074 /* Flag as not found */
1075 reference = REFERENCE_MISSING;
1078 if (!image->references [index]) {
1079 if (reference != REFERENCE_MISSING){
1080 mono_assembly_addref (reference);
1081 if (image->assembly)
1082 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_ASSEMBLY, "Assembly Ref addref %s[%p] -> %s[%p]: %d",
1083 image->assembly->aname.name, image->assembly, reference->aname.name, reference, reference->ref_count);
1085 if (image->assembly)
1086 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_ASSEMBLY, "Failed to load assembly %s[%p]\n",
1087 image->assembly->aname.name, image->assembly);
1090 image->references [index] = reference;
1092 mono_assemblies_unlock ();
1094 if (image->references [index] != reference) {
1095 /* Somebody loaded it before us */
1096 mono_assembly_close (reference);
1101 mono_assembly_load_references (MonoImage *image, MonoImageOpenStatus *status)
1103 /* This is a no-op now but it is part of the embedding API so we can't remove it */
1104 *status = MONO_IMAGE_OK;
1107 typedef struct AssemblyLoadHook AssemblyLoadHook;
1108 struct AssemblyLoadHook {
1109 AssemblyLoadHook *next;
1110 MonoAssemblyLoadFunc func;
1114 AssemblyLoadHook *assembly_load_hook = NULL;
1117 mono_assembly_invoke_load_hook (MonoAssembly *ass)
1119 AssemblyLoadHook *hook;
1121 for (hook = assembly_load_hook; hook; hook = hook->next) {
1122 hook->func (ass, hook->user_data);
1127 mono_install_assembly_load_hook (MonoAssemblyLoadFunc func, gpointer user_data)
1129 AssemblyLoadHook *hook;
1131 g_return_if_fail (func != NULL);
1133 hook = g_new0 (AssemblyLoadHook, 1);
1135 hook->user_data = user_data;
1136 hook->next = assembly_load_hook;
1137 assembly_load_hook = hook;
1141 free_assembly_load_hooks (void)
1143 AssemblyLoadHook *hook, *next;
1145 for (hook = assembly_load_hook; hook; hook = next) {
1151 typedef struct AssemblySearchHook AssemblySearchHook;
1152 struct AssemblySearchHook {
1153 AssemblySearchHook *next;
1154 MonoAssemblySearchFunc func;
1160 AssemblySearchHook *assembly_search_hook = NULL;
1162 static MonoAssembly*
1163 mono_assembly_invoke_search_hook_internal (MonoAssemblyName *aname, gboolean refonly, gboolean postload)
1165 AssemblySearchHook *hook;
1167 for (hook = assembly_search_hook; hook; hook = hook->next) {
1168 if ((hook->refonly == refonly) && (hook->postload == postload)) {
1169 MonoAssembly *ass = hook->func (aname, hook->user_data);
1179 mono_assembly_invoke_search_hook (MonoAssemblyName *aname)
1181 return mono_assembly_invoke_search_hook_internal (aname, FALSE, FALSE);
1185 mono_install_assembly_search_hook_internal (MonoAssemblySearchFunc func, gpointer user_data, gboolean refonly, gboolean postload)
1187 AssemblySearchHook *hook;
1189 g_return_if_fail (func != NULL);
1191 hook = g_new0 (AssemblySearchHook, 1);
1193 hook->user_data = user_data;
1194 hook->refonly = refonly;
1195 hook->postload = postload;
1196 hook->next = assembly_search_hook;
1197 assembly_search_hook = hook;
1201 mono_install_assembly_search_hook (MonoAssemblySearchFunc func, gpointer user_data)
1203 mono_install_assembly_search_hook_internal (func, user_data, FALSE, FALSE);
1207 free_assembly_search_hooks (void)
1209 AssemblySearchHook *hook, *next;
1211 for (hook = assembly_search_hook; hook; hook = next) {
1218 mono_install_assembly_refonly_search_hook (MonoAssemblySearchFunc func, gpointer user_data)
1220 mono_install_assembly_search_hook_internal (func, user_data, TRUE, FALSE);
1224 mono_install_assembly_postload_search_hook (MonoAssemblySearchFunc func, gpointer user_data)
1226 mono_install_assembly_search_hook_internal (func, user_data, FALSE, TRUE);
1230 mono_install_assembly_postload_refonly_search_hook (MonoAssemblySearchFunc func, gpointer user_data)
1232 mono_install_assembly_search_hook_internal (func, user_data, TRUE, TRUE);
1235 typedef struct AssemblyPreLoadHook AssemblyPreLoadHook;
1236 struct AssemblyPreLoadHook {
1237 AssemblyPreLoadHook *next;
1238 MonoAssemblyPreLoadFunc func;
1242 static AssemblyPreLoadHook *assembly_preload_hook = NULL;
1243 static AssemblyPreLoadHook *assembly_refonly_preload_hook = NULL;
1245 static MonoAssembly *
1246 invoke_assembly_preload_hook (MonoAssemblyName *aname, gchar **assemblies_path)
1248 AssemblyPreLoadHook *hook;
1249 MonoAssembly *assembly;
1251 for (hook = assembly_preload_hook; hook; hook = hook->next) {
1252 assembly = hook->func (aname, assemblies_path, hook->user_data);
1253 if (assembly != NULL)
1260 static MonoAssembly *
1261 invoke_assembly_refonly_preload_hook (MonoAssemblyName *aname, gchar **assemblies_path)
1263 AssemblyPreLoadHook *hook;
1264 MonoAssembly *assembly;
1266 for (hook = assembly_refonly_preload_hook; hook; hook = hook->next) {
1267 assembly = hook->func (aname, assemblies_path, hook->user_data);
1268 if (assembly != NULL)
1276 mono_install_assembly_preload_hook (MonoAssemblyPreLoadFunc func, gpointer user_data)
1278 AssemblyPreLoadHook *hook;
1280 g_return_if_fail (func != NULL);
1282 hook = g_new0 (AssemblyPreLoadHook, 1);
1284 hook->user_data = user_data;
1285 hook->next = assembly_preload_hook;
1286 assembly_preload_hook = hook;
1290 mono_install_assembly_refonly_preload_hook (MonoAssemblyPreLoadFunc func, gpointer user_data)
1292 AssemblyPreLoadHook *hook;
1294 g_return_if_fail (func != NULL);
1296 hook = g_new0 (AssemblyPreLoadHook, 1);
1298 hook->user_data = user_data;
1299 hook->next = assembly_refonly_preload_hook;
1300 assembly_refonly_preload_hook = hook;
1304 free_assembly_preload_hooks (void)
1306 AssemblyPreLoadHook *hook, *next;
1308 for (hook = assembly_preload_hook; hook; hook = next) {
1313 for (hook = assembly_refonly_preload_hook; hook; hook = next) {
1320 absolute_dir (const gchar *filename)
1331 if (g_path_is_absolute (filename)) {
1332 part = g_path_get_dirname (filename);
1333 res = g_strconcat (part, G_DIR_SEPARATOR_S, NULL);
1338 cwd = g_get_current_dir ();
1339 mixed = g_build_filename (cwd, filename, NULL);
1340 parts = g_strsplit (mixed, G_DIR_SEPARATOR_S, 0);
1345 for (i = 0; (part = parts [i]) != NULL; i++) {
1346 if (!strcmp (part, "."))
1349 if (!strcmp (part, "..")) {
1350 if (list && list->next) /* Don't remove root */
1351 list = g_list_delete_link (list, list);
1353 list = g_list_prepend (list, part);
1357 result = g_string_new ("");
1358 list = g_list_reverse (list);
1360 /* Ignores last data pointer, which should be the filename */
1361 for (tmp = list; tmp && tmp->next != NULL; tmp = tmp->next){
1363 g_string_append_printf (result, "%s%c", (char *) tmp->data,
1368 g_string_free (result, FALSE);
1373 return g_strdup (".");
1380 * mono_assembly_open_from_bundle:
1381 * @filename: Filename requested
1382 * @status: return value
1384 * This routine tries to open the assembly specified by `filename' from the
1385 * defined bundles, if found, returns the MonoImage for it, if not found
1389 mono_assembly_open_from_bundle (const char *filename, MonoImageOpenStatus *status, gboolean refonly)
1393 MonoImage *image = NULL;
1396 * we do a very simple search for bundled assemblies: it's not a general
1397 * purpose assembly loading mechanism.
1403 name = g_path_get_basename (filename);
1405 mono_assemblies_lock ();
1406 for (i = 0; !image && bundles [i]; ++i) {
1407 if (strcmp (bundles [i]->name, name) == 0) {
1408 image = mono_image_open_from_data_with_name ((char*)bundles [i]->data, bundles [i]->size, FALSE, status, refonly, name);
1412 mono_assemblies_unlock ();
1415 mono_image_addref (image);
1422 mono_assembly_open_full (const char *filename, MonoImageOpenStatus *status, gboolean refonly)
1426 MonoImageOpenStatus def_status;
1430 g_return_val_if_fail (filename != NULL, NULL);
1433 status = &def_status;
1434 *status = MONO_IMAGE_OK;
1436 if (strncmp (filename, "file://", 7) == 0) {
1437 GError *error = NULL;
1438 gchar *uri = (gchar *) filename;
1442 * MS allows file://c:/... and fails on file://localhost/c:/...
1443 * They also throw an IndexOutOfRangeException if "file://"
1446 uri = g_strdup_printf ("file:///%s", uri + 7);
1449 uri = mono_escape_uri_string (tmpuri);
1450 fname = g_filename_from_uri (uri, NULL, &error);
1453 if (tmpuri != filename)
1456 if (error != NULL) {
1457 g_warning ("%s\n", error->message);
1458 g_error_free (error);
1459 fname = g_strdup (filename);
1462 fname = g_strdup (filename);
1465 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_ASSEMBLY,
1466 "Assembly Loader probing location: '%s'.", fname);
1469 if (!mono_assembly_is_in_gac (fname))
1470 new_fname = mono_make_shadow_copy (fname);
1471 if (new_fname && new_fname != fname) {
1474 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_ASSEMBLY,
1475 "Assembly Loader shadow-copied assembly to: '%s'.", fname);
1480 if (bundles != NULL)
1481 image = mono_assembly_open_from_bundle (fname, status, refonly);
1484 image = mono_image_open_full (fname, status, refonly);
1487 if (*status == MONO_IMAGE_OK)
1488 *status = MONO_IMAGE_ERROR_ERRNO;
1493 if (image->assembly) {
1494 /* Already loaded by another appdomain */
1495 mono_assembly_invoke_load_hook (image->assembly);
1496 mono_image_close (image);
1498 return image->assembly;
1501 ass = mono_assembly_load_from_full (image, fname, status, refonly);
1504 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_ASSEMBLY,
1505 "Assembly Loader loaded assembly from location: '%s'.", filename);
1507 mono_config_for_assembly (ass->image);
1510 /* Clear the reference added by mono_image_open */
1511 mono_image_close (image);
1519 free_item (gpointer val, gpointer user_data)
1525 * mono_assembly_load_friends:
1528 * Load the list of friend assemblies that are allowed to access
1529 * the assembly's internal types and members. They are stored as assembly
1530 * names in custom attributes.
1532 * This is an internal method, we need this because when we load mscorlib
1533 * we do not have the mono_defaults.internals_visible_class loaded yet,
1534 * so we need to load these after we initialize the runtime.
1536 * LOCKING: Acquires the assemblies lock plus the loader lock.
1539 mono_assembly_load_friends (MonoAssembly* ass)
1542 MonoCustomAttrInfo* attrs;
1545 if (ass->friend_assembly_names_inited)
1548 attrs = mono_custom_attrs_from_assembly (ass);
1550 mono_assemblies_lock ();
1551 ass->friend_assembly_names_inited = TRUE;
1552 mono_assemblies_unlock ();
1556 mono_assemblies_lock ();
1557 if (ass->friend_assembly_names_inited) {
1558 mono_assemblies_unlock ();
1561 mono_assemblies_unlock ();
1565 * We build the list outside the assemblies lock, the worse that can happen
1566 * is that we'll need to free the allocated list.
1568 for (i = 0; i < attrs->num_attrs; ++i) {
1569 MonoCustomAttrEntry *attr = &attrs->attrs [i];
1570 MonoAssemblyName *aname;
1573 /* Do some sanity checking */
1574 if (!attr->ctor || attr->ctor->klass != mono_defaults.internals_visible_class)
1576 if (attr->data_size < 4)
1578 data = (const char*)attr->data;
1579 /* 0xFF means null string, see custom attr format */
1580 if (data [0] != 1 || data [1] != 0 || (data [2] & 0xFF) == 0xFF)
1582 slen = mono_metadata_decode_value (data + 2, &data);
1583 aname = g_new0 (MonoAssemblyName, 1);
1584 /*g_print ("friend ass: %s\n", data);*/
1585 if (mono_assembly_name_parse_full (data, aname, TRUE, NULL, NULL)) {
1586 list = g_slist_prepend (list, aname);
1591 mono_custom_attrs_free (attrs);
1593 mono_assemblies_lock ();
1594 if (ass->friend_assembly_names_inited) {
1595 mono_assemblies_unlock ();
1596 g_slist_foreach (list, free_item, NULL);
1597 g_slist_free (list);
1600 ass->friend_assembly_names = list;
1602 /* Because of the double checked locking pattern above */
1603 mono_memory_barrier ();
1604 ass->friend_assembly_names_inited = TRUE;
1605 mono_assemblies_unlock ();
1609 * mono_assembly_open:
1610 * @filename: Opens the assembly pointed out by this name
1611 * @status: where a status code can be returned
1613 * mono_assembly_open opens the PE-image pointed by @filename, and
1614 * loads any external assemblies referenced by it.
1616 * Return: a pointer to the MonoAssembly if @filename contains a valid
1617 * assembly or NULL on error. Details about the error are stored in the
1621 mono_assembly_open (const char *filename, MonoImageOpenStatus *status)
1623 return mono_assembly_open_full (filename, status, FALSE);
1627 mono_assembly_load_from_full (MonoImage *image, const char*fname,
1628 MonoImageOpenStatus *status, gboolean refonly)
1630 MonoAssembly *ass, *ass2;
1633 if (!image->tables [MONO_TABLE_ASSEMBLY].rows) {
1634 /* 'image' doesn't have a manifest -- maybe someone is trying to Assembly.Load a .netmodule */
1635 *status = MONO_IMAGE_IMAGE_INVALID;
1639 #if defined (HOST_WIN32)
1644 tmp_fn = g_strdup (fname);
1645 for (i = strlen (tmp_fn) - 1; i >= 0; i--) {
1646 if (tmp_fn [i] == '/')
1650 base_dir = absolute_dir (tmp_fn);
1654 base_dir = absolute_dir (fname);
1658 * Create assembly struct, and enter it into the assembly cache
1660 ass = g_new0 (MonoAssembly, 1);
1661 ass->basedir = base_dir;
1662 ass->ref_only = refonly;
1665 mono_profiler_assembly_event (ass, MONO_PROFILE_START_LOAD);
1667 mono_assembly_fill_assembly_name (image, &ass->aname);
1669 if (mono_defaults.corlib && strcmp (ass->aname.name, "mscorlib") == 0) {
1670 // MS.NET doesn't support loading other mscorlibs
1673 mono_image_addref (mono_defaults.corlib);
1674 *status = MONO_IMAGE_OK;
1675 return mono_defaults.corlib->assembly;
1678 /* Add a non-temporary reference because of ass->image */
1679 mono_image_addref (image);
1681 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);
1684 * The load hooks might take locks so we can't call them while holding the
1687 if (ass->aname.name) {
1688 ass2 = mono_assembly_invoke_search_hook_internal (&ass->aname, refonly, FALSE);
1692 mono_image_close (image);
1693 *status = MONO_IMAGE_OK;
1698 mono_assemblies_lock ();
1700 if (image->assembly) {
1702 * This means another thread has already loaded the assembly, but not yet
1703 * called the load hooks so the search hook can't find the assembly.
1705 mono_assemblies_unlock ();
1706 ass2 = image->assembly;
1709 mono_image_close (image);
1710 *status = MONO_IMAGE_OK;
1714 image->assembly = ass;
1716 loaded_assemblies = g_list_prepend (loaded_assemblies, ass);
1717 mono_assemblies_unlock ();
1720 if (image->is_module_handle)
1721 mono_image_fixup_vtable (image);
1724 mono_assembly_invoke_load_hook (ass);
1726 mono_profiler_assembly_loaded (ass, MONO_PROFILE_OK);
1732 mono_assembly_load_from (MonoImage *image, const char *fname,
1733 MonoImageOpenStatus *status)
1735 return mono_assembly_load_from_full (image, fname, status, FALSE);
1739 * mono_assembly_name_free:
1740 * @aname: assembly name to free
1742 * Frees the provided assembly name object.
1743 * (it does not frees the object itself, only the name members).
1746 mono_assembly_name_free (MonoAssemblyName *aname)
1751 g_free ((void *) aname->name);
1752 g_free ((void *) aname->culture);
1753 g_free ((void *) aname->hash_value);
1757 parse_public_key (const gchar *key, gchar** pubkey, gboolean *is_ecma)
1760 gchar header [16], val, *arr;
1761 gint i, j, offset, bitlen, keylen, pkeylen;
1763 keylen = strlen (key) >> 1;
1767 /* allow the ECMA standard key */
1768 if (strcmp (key, "00000000000000000400000000000000") == 0) {
1770 *pubkey = g_strdup (key);
1776 val = g_ascii_xdigit_value (key [0]) << 4;
1777 val |= g_ascii_xdigit_value (key [1]);
1782 val = g_ascii_xdigit_value (key [24]);
1783 val |= g_ascii_xdigit_value (key [25]);
1795 /* We need the first 16 bytes
1796 * to check whether this key is valid or not */
1797 pkeylen = strlen (pkey) >> 1;
1801 for (i = 0, j = 0; i < 16; i++) {
1802 header [i] = g_ascii_xdigit_value (pkey [j++]) << 4;
1803 header [i] |= g_ascii_xdigit_value (pkey [j++]);
1806 if (header [0] != 0x06 || /* PUBLICKEYBLOB (0x06) */
1807 header [1] != 0x02 || /* Version (0x02) */
1808 header [2] != 0x00 || /* Reserved (word) */
1809 header [3] != 0x00 ||
1810 (guint)(read32 (header + 8)) != 0x31415352) /* DWORD magic = RSA1 */
1813 /* Based on this length, we _should_ be able to know if the length is right */
1814 bitlen = read32 (header + 12) >> 3;
1815 if ((bitlen + 16 + 4) != pkeylen)
1818 /* parsing is OK and the public key itself is not requested back */
1822 /* Encode the size of the blob */
1824 if (keylen <= 127) {
1825 arr = g_malloc (keylen + 1);
1826 arr [offset++] = keylen;
1828 arr = g_malloc (keylen + 2);
1829 arr [offset++] = 0x80; /* 10bs */
1830 arr [offset++] = keylen;
1833 for (i = offset, j = 0; i < keylen + offset; i++) {
1834 arr [i] = g_ascii_xdigit_value (key [j++]) << 4;
1835 arr [i] |= g_ascii_xdigit_value (key [j++]);
1844 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)
1846 gint major, minor, build, revision;
1849 gchar *pkey, *pkeyptr, *encoded, tok [8];
1851 memset (aname, 0, sizeof (MonoAssemblyName));
1854 version_parts = sscanf (version, "%u.%u.%u.%u", &major, &minor, &build, &revision);
1855 if (version_parts < 2 || version_parts > 4)
1858 /* FIXME: we should set build & revision to -1 (instead of 0)
1859 if these are not set in the version string. That way, later on,
1860 we can still determine if these were specified. */
1861 aname->major = major;
1862 aname->minor = minor;
1863 if (version_parts >= 3)
1864 aname->build = build;
1867 if (version_parts == 4)
1868 aname->revision = revision;
1870 aname->revision = 0;
1873 aname->flags = flags;
1875 aname->name = g_strdup (name);
1878 if (g_ascii_strcasecmp (culture, "neutral") == 0)
1879 aname->culture = g_strdup ("");
1881 aname->culture = g_strdup (culture);
1884 if (token && strncmp (token, "null", 4) != 0) {
1887 /* the constant includes the ending NULL, hence the -1 */
1888 if (strlen (token) != (MONO_PUBLIC_KEY_TOKEN_LENGTH - 1)) {
1889 mono_assembly_name_free (aname);
1892 lower = g_ascii_strdown (token, MONO_PUBLIC_KEY_TOKEN_LENGTH);
1893 g_strlcpy ((char*)aname->public_key_token, lower, MONO_PUBLIC_KEY_TOKEN_LENGTH);
1899 if (strcmp (key, "null") == 0 || !parse_public_key (key, &pkey, &is_ecma)) {
1900 mono_assembly_name_free (aname);
1905 if (save_public_key)
1906 aname->public_key = (guint8*)pkey;
1909 g_strlcpy ((gchar*)aname->public_key_token, "b77a5c561934e089", MONO_PUBLIC_KEY_TOKEN_LENGTH);
1913 len = mono_metadata_decode_blob_size ((const gchar *) pkey, (const gchar **) &pkeyptr);
1914 // We also need to generate the key token
1915 mono_digest_get_public_token ((guchar*) tok, (guint8*) pkeyptr, len);
1916 encoded = encode_public_tok ((guchar*) tok, 8);
1917 g_strlcpy ((gchar*)aname->public_key_token, encoded, MONO_PUBLIC_KEY_TOKEN_LENGTH);
1920 if (save_public_key)
1921 aname->public_key = (guint8*) pkey;
1930 parse_assembly_directory_name (const char *name, const char *dirname, MonoAssemblyName *aname)
1935 parts = g_strsplit (dirname, "_", 3);
1936 if (!parts || !parts[0] || !parts[1] || !parts[2]) {
1941 res = build_assembly_name (name, parts[0], parts[1], parts[2], NULL, 0, 0, aname, FALSE);
1947 split_key_value (const gchar *pair, gchar **key, guint32 *keylen, gchar **value)
1949 char *eqsign = strchr (pair, '=');
1957 *key = (gchar*)pair;
1958 *keylen = eqsign - *key;
1959 while (*keylen > 0 && g_ascii_isspace ((*key) [*keylen - 1]))
1961 *value = g_strstrip (eqsign + 1);
1966 mono_assembly_name_parse_full (const char *name, MonoAssemblyName *aname, gboolean save_public_key, gboolean *is_version_defined, gboolean *is_token_defined)
1969 gchar *version = NULL;
1970 gchar *culture = NULL;
1971 gchar *token = NULL;
1973 gchar *retargetable = NULL;
1975 gchar *value, *part_name;
1976 guint32 part_name_len;
1979 gboolean version_defined;
1980 gboolean token_defined;
1982 guint32 arch = MONO_PROCESSOR_ARCHITECTURE_NONE;
1984 if (!is_version_defined)
1985 is_version_defined = &version_defined;
1986 *is_version_defined = FALSE;
1987 if (!is_token_defined)
1988 is_token_defined = &token_defined;
1989 *is_token_defined = FALSE;
1991 parts = tmp = g_strsplit (name, ",", 6);
1992 if (!tmp || !*tmp) {
1997 dllname = g_strstrip (*tmp);
2002 if (!split_key_value (g_strstrip (*tmp), &part_name, &part_name_len, &value))
2003 goto cleanup_and_fail;
2005 if (part_name_len == 7 && !g_ascii_strncasecmp (part_name, "Version", part_name_len)) {
2006 *is_version_defined = TRUE;
2008 if (strlen (version) == 0) {
2009 goto cleanup_and_fail;
2015 if (part_name_len == 7 && !g_ascii_strncasecmp (part_name, "Culture", part_name_len)) {
2017 if (strlen (culture) == 0) {
2018 goto cleanup_and_fail;
2024 if (part_name_len == 14 && !g_ascii_strncasecmp (part_name, "PublicKeyToken", part_name_len)) {
2025 *is_token_defined = TRUE;
2027 if (strlen (token) == 0) {
2028 goto cleanup_and_fail;
2034 if (part_name_len == 9 && !g_ascii_strncasecmp (part_name, "PublicKey", part_name_len)) {
2036 if (strlen (key) == 0) {
2037 goto cleanup_and_fail;
2043 if (part_name_len == 12 && !g_ascii_strncasecmp (part_name, "Retargetable", part_name_len)) {
2044 retargetable = value;
2045 if (strlen (retargetable) == 0) {
2046 goto cleanup_and_fail;
2048 if (!g_ascii_strcasecmp (retargetable, "yes")) {
2049 flags |= ASSEMBLYREF_RETARGETABLE_FLAG;
2050 } else if (g_ascii_strcasecmp (retargetable, "no")) {
2051 goto cleanup_and_fail;
2057 if (part_name_len == 21 && !g_ascii_strncasecmp (part_name, "ProcessorArchitecture", part_name_len)) {
2058 if (!g_ascii_strcasecmp (value, "None"))
2059 arch = MONO_PROCESSOR_ARCHITECTURE_NONE;
2060 else if (!g_ascii_strcasecmp (value, "MSIL"))
2061 arch = MONO_PROCESSOR_ARCHITECTURE_MSIL;
2062 else if (!g_ascii_strcasecmp (value, "X86"))
2063 arch = MONO_PROCESSOR_ARCHITECTURE_X86;
2064 else if (!g_ascii_strcasecmp (value, "IA64"))
2065 arch = MONO_PROCESSOR_ARCHITECTURE_IA64;
2066 else if (!g_ascii_strcasecmp (value, "AMD64"))
2067 arch = MONO_PROCESSOR_ARCHITECTURE_AMD64;
2069 goto cleanup_and_fail;
2078 /* if retargetable flag is set, then we must have a fully qualified name */
2079 if (retargetable != NULL && (version == NULL || culture == NULL || (key == NULL && token == NULL))) {
2080 goto cleanup_and_fail;
2083 res = build_assembly_name (dllname, version, culture, token, key, flags, arch,
2084 aname, save_public_key);
2094 * mono_assembly_name_parse:
2095 * @name: name to parse
2096 * @aname: the destination assembly name
2098 * Parses an assembly qualified type name and assigns the name,
2099 * version, culture and token to the provided assembly name object.
2101 * Returns: true if the name could be parsed.
2104 mono_assembly_name_parse (const char *name, MonoAssemblyName *aname)
2106 return mono_assembly_name_parse_full (name, aname, FALSE, NULL, NULL);
2110 * mono_assembly_name_new:
2111 * @name: name to parse
2113 * Allocate a new MonoAssemblyName and fill its values from the
2116 * Returns: a newly allocated structure or NULL if there was any failure.
2119 mono_assembly_name_new (const char *name)
2121 MonoAssemblyName *aname = g_new0 (MonoAssemblyName, 1);
2122 if (mono_assembly_name_parse (name, aname))
2129 mono_assembly_name_get_name (MonoAssemblyName *aname)
2135 mono_assembly_name_get_culture (MonoAssemblyName *aname)
2137 return aname->culture;
2141 mono_assembly_name_get_pubkeytoken (MonoAssemblyName *aname)
2143 if (aname->public_key_token [0])
2144 return aname->public_key_token;
2149 mono_assembly_name_get_version (MonoAssemblyName *aname, uint16_t *minor, uint16_t *build, uint16_t *revision)
2152 *minor = aname->minor;
2154 *build = aname->build;
2156 *revision = aname->revision;
2157 return aname->major;
2160 static MonoAssembly*
2161 probe_for_partial_name (const char *basepath, const char *fullname, MonoAssemblyName *aname, MonoImageOpenStatus *status)
2163 gchar *fullpath = NULL;
2165 const char* direntry;
2166 MonoAssemblyName gac_aname;
2167 gint major=-1, minor=0, build=0, revision=0;
2168 gboolean exact_version;
2170 dirhandle = g_dir_open (basepath, 0, NULL);
2174 exact_version = (aname->major | aname->minor | aname->build | aname->revision) != 0;
2176 while ((direntry = g_dir_read_name (dirhandle))) {
2177 gboolean match = TRUE;
2179 if(!parse_assembly_directory_name (aname->name, direntry, &gac_aname))
2182 if (aname->culture != NULL && strcmp (aname->culture, gac_aname.culture) != 0)
2185 if (match && strlen ((char*)aname->public_key_token) > 0 &&
2186 !mono_public_tokens_are_equal (aname->public_key_token, gac_aname.public_key_token))
2190 if (exact_version) {
2191 match = (aname->major == gac_aname.major && aname->minor == gac_aname.minor &&
2192 aname->build == gac_aname.build && aname->revision == gac_aname.revision);
2194 else if (gac_aname.major < major)
2196 else if (gac_aname.major == major) {
2197 if (gac_aname.minor < minor)
2199 else if (gac_aname.minor == minor) {
2200 if (gac_aname.build < build)
2202 else if (gac_aname.build == build && gac_aname.revision <= revision)
2209 major = gac_aname.major;
2210 minor = gac_aname.minor;
2211 build = gac_aname.build;
2212 revision = gac_aname.revision;
2214 fullpath = g_build_path (G_DIR_SEPARATOR_S, basepath, direntry, fullname, NULL);
2217 mono_assembly_name_free (&gac_aname);
2220 g_dir_close (dirhandle);
2222 if (fullpath == NULL)
2225 MonoAssembly *res = mono_assembly_open (fullpath, status);
2232 mono_assembly_load_with_partial_name (const char *name, MonoImageOpenStatus *status)
2235 MonoAssemblyName *aname, base_name;
2236 MonoAssemblyName mapped_aname;
2237 gchar *fullname, *gacpath;
2240 memset (&base_name, 0, sizeof (MonoAssemblyName));
2243 if (!mono_assembly_name_parse (name, aname))
2247 * If no specific version has been requested, make sure we load the
2248 * correct version for system assemblies.
2250 if ((aname->major | aname->minor | aname->build | aname->revision) == 0)
2251 aname = mono_assembly_remap_version (aname, &mapped_aname);
2253 res = mono_assembly_loaded (aname);
2255 mono_assembly_name_free (aname);
2259 res = invoke_assembly_preload_hook (aname, assemblies_path);
2261 res->in_gac = FALSE;
2262 mono_assembly_name_free (aname);
2266 fullname = g_strdup_printf ("%s.dll", aname->name);
2268 if (extra_gac_paths) {
2269 paths = extra_gac_paths;
2270 while (!res && *paths) {
2271 gacpath = g_build_path (G_DIR_SEPARATOR_S, *paths, "lib", "mono", "gac", aname->name, NULL);
2272 res = probe_for_partial_name (gacpath, fullname, aname, status);
2281 mono_assembly_name_free (aname);
2285 gacpath = g_build_path (G_DIR_SEPARATOR_S, mono_assembly_getrootdir (), "mono", "gac", aname->name, NULL);
2286 res = probe_for_partial_name (gacpath, fullname, aname, status);
2292 MonoDomain *domain = mono_domain_get ();
2293 MonoReflectionAssembly *refasm = mono_try_assembly_resolve (domain, mono_string_new (domain, name), FALSE);
2295 res = refasm->assembly;
2299 mono_assembly_name_free (aname);
2305 mono_assembly_is_in_gac (const gchar *filename)
2307 const gchar *rootdir;
2311 if (filename == NULL)
2314 for (paths = extra_gac_paths; paths && *paths; paths++) {
2315 if (strstr (*paths, filename) != *paths)
2318 gp = (gchar *) (filename + strlen (*paths));
2319 if (*gp != G_DIR_SEPARATOR)
2322 if (strncmp (gp, "lib", 3))
2325 if (*gp != G_DIR_SEPARATOR)
2328 if (strncmp (gp, "mono", 4))
2331 if (*gp != G_DIR_SEPARATOR)
2334 if (strncmp (gp, "gac", 3))
2337 if (*gp != G_DIR_SEPARATOR)
2343 rootdir = mono_assembly_getrootdir ();
2344 if (strstr (filename, rootdir) != filename)
2347 gp = (gchar *) (filename + strlen (rootdir));
2348 if (*gp != G_DIR_SEPARATOR)
2351 if (strncmp (gp, "mono", 4))
2354 if (*gp != G_DIR_SEPARATOR)
2357 if (strncmp (gp, "gac", 3))
2360 if (*gp != G_DIR_SEPARATOR)
2366 mono_assembly_load_publisher_policy (MonoAssemblyName *aname)
2369 gchar *filename, *pname, *name, *culture, *version, *fullpath, *subpath;
2373 if (strstr (aname->name, ".dll")) {
2374 len = strlen (aname->name) - 4;
2375 name = g_malloc (len);
2376 strncpy (name, aname->name, len);
2378 name = g_strdup (aname->name);
2381 culture = g_utf8_strdown (aname->culture, -1);
2383 culture = g_strdup ("");
2385 pname = g_strdup_printf ("policy.%d.%d.%s", aname->major, aname->minor, name);
2386 version = g_strdup_printf ("0.0.0.0_%s_%s", culture, aname->public_key_token);
2390 filename = g_strconcat (pname, ".dll", NULL);
2391 subpath = g_build_path (G_DIR_SEPARATOR_S, pname, version, filename, NULL);
2397 if (extra_gac_paths) {
2398 paths = extra_gac_paths;
2399 while (!image && *paths) {
2400 fullpath = g_build_path (G_DIR_SEPARATOR_S, *paths,
2401 "lib", "mono", "gac", subpath, NULL);
2402 image = mono_image_open (fullpath, NULL);
2413 fullpath = g_build_path (G_DIR_SEPARATOR_S, mono_assembly_getrootdir (),
2414 "mono", "gac", subpath, NULL);
2415 image = mono_image_open (fullpath, NULL);
2422 static MonoAssemblyName*
2423 mono_assembly_bind_version (MonoAssemblyBindingInfo *info, MonoAssemblyName *aname, MonoAssemblyName *dest_name)
2425 memcpy (dest_name, aname, sizeof (MonoAssemblyName));
2426 dest_name->major = info->new_version.major;
2427 dest_name->minor = info->new_version.minor;
2428 dest_name->build = info->new_version.build;
2429 dest_name->revision = info->new_version.revision;
2434 /* LOCKING: Assumes that we are already locked */
2435 static MonoAssemblyBindingInfo*
2436 search_binding_loaded (MonoAssemblyName *aname)
2440 for (tmp = loaded_assembly_bindings; tmp; tmp = tmp->next) {
2441 MonoAssemblyBindingInfo *info = tmp->data;
2442 if (assembly_binding_maps_name (info, aname))
2449 static inline gboolean
2450 info_compare_versions (AssemblyVersionSet *left, AssemblyVersionSet *right)
2452 if (left->major != right->major || left->minor != right->minor ||
2453 left->build != right->build || left->revision != right->revision)
2459 static inline gboolean
2460 info_versions_equal (MonoAssemblyBindingInfo *left, MonoAssemblyBindingInfo *right)
2462 if (left->has_old_version_bottom != right->has_old_version_bottom)
2465 if (left->has_old_version_top != right->has_old_version_top)
2468 if (left->has_new_version != right->has_new_version)
2471 if (left->has_old_version_bottom && !info_compare_versions (&left->old_version_bottom, &right->old_version_bottom))
2474 if (left->has_old_version_top && !info_compare_versions (&left->old_version_top, &right->old_version_top))
2477 if (left->has_new_version && !info_compare_versions (&left->new_version, &right->new_version))
2483 /* LOCKING: assumes all the necessary locks are held */
2485 assembly_binding_info_parsed (MonoAssemblyBindingInfo *info, void *user_data)
2487 MonoAssemblyBindingInfo *info_copy;
2489 MonoAssemblyBindingInfo *info_tmp;
2490 MonoDomain *domain = (MonoDomain*)user_data;
2495 for (tmp = domain->assembly_bindings; tmp; tmp = tmp->next) {
2496 info_tmp = tmp->data;
2497 if (strcmp (info->name, info_tmp->name) == 0 && info_versions_equal (info, info_tmp))
2501 info_copy = mono_mempool_alloc0 (domain->mp, sizeof (MonoAssemblyBindingInfo));
2502 memcpy (info_copy, info, sizeof (MonoAssemblyBindingInfo));
2504 info_copy->name = mono_mempool_strdup (domain->mp, info->name);
2506 info_copy->culture = mono_mempool_strdup (domain->mp, info->culture);
2508 domain->assembly_bindings = g_slist_append_mempool (domain->mp, domain->assembly_bindings, info_copy);
2511 static inline gboolean
2512 info_major_minor_in_range (MonoAssemblyBindingInfo *info, MonoAssemblyName *aname)
2514 if (!info->has_old_version_bottom)
2517 if (info->old_version_bottom.major > aname->major || info->old_version_bottom.minor > aname->minor)
2520 if (info->has_old_version_top && (info->old_version_top.major < aname->major || info->old_version_top.minor < aname->minor))
2523 /* This is not the nicest way to do it, but it's a by-product of the way parsing is done */
2524 info->major = aname->major;
2525 info->minor = aname->minor;
2530 /* LOCKING: Assumes that we are already locked - both loader and domain locks */
2531 static MonoAssemblyBindingInfo*
2532 get_per_domain_assembly_binding_info (MonoDomain *domain, MonoAssemblyName *aname)
2534 MonoAssemblyBindingInfo *info;
2537 if (!domain->assembly_bindings)
2541 for (list = domain->assembly_bindings; list; list = list->next) {
2543 if (info && !strcmp (aname->name, info->name) && info_major_minor_in_range (info, aname))
2549 if (info->name && info->public_key_token [0] && info->has_old_version_bottom &&
2550 info->has_new_version && assembly_binding_maps_name (info, aname))
2551 info->is_valid = TRUE;
2553 info->is_valid = FALSE;
2559 static MonoAssemblyName*
2560 mono_assembly_apply_binding (MonoAssemblyName *aname, MonoAssemblyName *dest_name)
2562 MonoAssemblyBindingInfo *info, *info2;
2566 if (aname->public_key_token [0] == 0)
2569 domain = mono_domain_get ();
2570 mono_loader_lock ();
2571 info = search_binding_loaded (aname);
2573 mono_domain_lock (domain);
2574 info = get_per_domain_assembly_binding_info (domain, aname);
2575 mono_domain_unlock (domain);
2578 mono_loader_unlock ();
2580 if (!check_policy_versions (info, aname))
2583 mono_assembly_bind_version (info, aname, dest_name);
2587 if (domain && domain->setup && domain->setup->configuration_file) {
2588 mono_domain_lock (domain);
2589 if (!domain->assembly_bindings_parsed) {
2590 gchar *domain_config_file_name = mono_string_to_utf8 (domain->setup->configuration_file);
2591 gchar *domain_config_file_path = mono_portability_find_file (domain_config_file_name, TRUE);
2593 if (!domain_config_file_path)
2594 domain_config_file_path = domain_config_file_name;
2596 mono_config_parse_assembly_bindings (domain_config_file_path, aname->major, aname->minor, domain, assembly_binding_info_parsed);
2597 domain->assembly_bindings_parsed = TRUE;
2598 if (domain_config_file_name != domain_config_file_path)
2599 g_free (domain_config_file_name);
2600 g_free (domain_config_file_path);
2602 mono_domain_unlock (domain);
2604 mono_loader_lock ();
2605 mono_domain_lock (domain);
2606 info2 = get_per_domain_assembly_binding_info (domain, aname);
2609 info = g_memdup (info2, sizeof (MonoAssemblyBindingInfo));
2610 info->name = g_strdup (info2->name);
2611 info->culture = g_strdup (info2->culture);
2612 info->domain_id = domain->domain_id;
2615 mono_domain_unlock (domain);
2616 mono_loader_unlock ();
2620 info = g_new0 (MonoAssemblyBindingInfo, 1);
2621 info->major = aname->major;
2622 info->minor = aname->minor;
2625 if (!info->is_valid) {
2626 ppimage = mono_assembly_load_publisher_policy (aname);
2628 get_publisher_policy_info (ppimage, aname, info);
2629 mono_image_close (ppimage);
2633 /* Define default error value if needed */
2634 if (!info->is_valid) {
2635 info->name = g_strdup (aname->name);
2636 info->culture = g_strdup (aname->culture);
2637 g_strlcpy ((char *)info->public_key_token, (const char *)aname->public_key_token, MONO_PUBLIC_KEY_TOKEN_LENGTH);
2640 mono_loader_lock ();
2641 info2 = search_binding_loaded (aname);
2643 /* This binding was added by another thread
2645 mono_assembly_binding_info_free (info);
2650 loaded_assembly_bindings = g_slist_prepend (loaded_assembly_bindings, info);
2652 mono_loader_unlock ();
2654 if (!info->is_valid || !check_policy_versions (info, aname))
2657 mono_assembly_bind_version (info, aname, dest_name);
2662 * mono_assembly_load_from_gac
2664 * @aname: The assembly name object
2666 static MonoAssembly*
2667 mono_assembly_load_from_gac (MonoAssemblyName *aname, gchar *filename, MonoImageOpenStatus *status, MonoBoolean refonly)
2669 MonoAssembly *result = NULL;
2670 gchar *name, *version, *culture, *fullpath, *subpath;
2675 if (aname->public_key_token [0] == 0) {
2679 if (strstr (aname->name, ".dll")) {
2680 len = strlen (filename) - 4;
2681 name = g_malloc (len);
2682 strncpy (name, aname->name, len);
2684 name = g_strdup (aname->name);
2687 if (aname->culture) {
2688 culture = g_utf8_strdown (aname->culture, -1);
2690 culture = g_strdup ("");
2693 pubtok = g_ascii_strdown ((char*)aname->public_key_token, MONO_PUBLIC_KEY_TOKEN_LENGTH);
2694 version = g_strdup_printf ("%d.%d.%d.%d_%s_%s", aname->major,
2695 aname->minor, aname->build, aname->revision,
2699 subpath = g_build_path (G_DIR_SEPARATOR_S, name, version, filename, NULL);
2704 if (extra_gac_paths) {
2705 paths = extra_gac_paths;
2706 while (!result && *paths) {
2707 fullpath = g_build_path (G_DIR_SEPARATOR_S, *paths, "lib", "mono", "gac", subpath, NULL);
2708 result = mono_assembly_open_full (fullpath, status, refonly);
2715 result->in_gac = TRUE;
2720 fullpath = g_build_path (G_DIR_SEPARATOR_S, mono_assembly_getrootdir (),
2721 "mono", "gac", subpath, NULL);
2722 result = mono_assembly_open_full (fullpath, status, refonly);
2726 result->in_gac = TRUE;
2734 mono_assembly_load_corlib (const MonoRuntimeInfo *runtime, MonoImageOpenStatus *status)
2737 MonoAssemblyName *aname;
2740 /* g_print ("corlib already loaded\n"); */
2744 #if defined(__native_client__)
2745 if (corlibData != NULL && corlibSize != 0) {
2747 /* First "FALSE" instructs mono not to make a copy. */
2748 /* Second "FALSE" says this is not just a ref. */
2749 MonoImage* image = mono_image_open_from_data_full (corlibData, corlibSize, FALSE, &status, FALSE);
2750 if (image == NULL || status != 0)
2751 g_print("mono_image_open_from_data_full failed: %d\n", status);
2752 corlib = mono_assembly_load_from_full (image, "mscorlib", &status, FALSE);
2753 if (corlib == NULL || status != 0)
2754 g_print ("mono_assembly_load_from_full failed: %d\n", status);
2760 aname = mono_assembly_name_new ("mscorlib.dll");
2761 corlib = invoke_assembly_preload_hook (aname, assemblies_path);
2762 mono_assembly_name_free (aname);
2767 if (assemblies_path) {
2768 corlib = load_in_path ("mscorlib.dll", (const char**)assemblies_path, status, FALSE);
2773 /* Load corlib from mono/<version> */
2775 corlib_file = g_build_filename ("mono", runtime->framework_version, "mscorlib.dll", NULL);
2776 if (assemblies_path) {
2777 corlib = load_in_path (corlib_file, (const char**)assemblies_path, status, FALSE);
2779 g_free (corlib_file);
2783 corlib = load_in_path (corlib_file, default_path, status, FALSE);
2784 g_free (corlib_file);
2790 mono_assembly_load_full_nosearch (MonoAssemblyName *aname,
2791 const char *basedir,
2792 MonoImageOpenStatus *status,
2795 MonoAssembly *result;
2796 char *fullpath, *filename;
2797 MonoAssemblyName maped_aname;
2798 MonoAssemblyName maped_name_pp;
2803 aname = mono_assembly_remap_version (aname, &maped_aname);
2805 /* Reflection only assemblies don't get assembly binding */
2807 aname = mono_assembly_apply_binding (aname, &maped_name_pp);
2809 result = mono_assembly_loaded_full (aname, refonly);
2813 result = refonly ? invoke_assembly_refonly_preload_hook (aname, assemblies_path) : invoke_assembly_preload_hook (aname, assemblies_path);
2815 result->in_gac = FALSE;
2819 /* Currently we retrieve the loaded corlib for reflection
2820 * only requests, like a common reflection only assembly
2822 if (strcmp (aname->name, "mscorlib") == 0 || strcmp (aname->name, "mscorlib.dll") == 0) {
2823 return mono_assembly_load_corlib (mono_get_runtime_info (), status);
2826 len = strlen (aname->name);
2827 for (ext_index = 0; ext_index < 2; ext_index ++) {
2828 ext = ext_index == 0 ? ".dll" : ".exe";
2829 if (len > 4 && (!strcmp (aname->name + len - 4, ".dll") || !strcmp (aname->name + len - 4, ".exe"))) {
2830 filename = g_strdup (aname->name);
2831 /* Don't try appending .dll/.exe if it already has one of those extensions */
2834 filename = g_strconcat (aname->name, ext, NULL);
2837 result = mono_assembly_load_from_gac (aname, filename, status, refonly);
2844 fullpath = g_build_filename (basedir, filename, NULL);
2845 result = mono_assembly_open_full (fullpath, status, refonly);
2848 result->in_gac = FALSE;
2854 result = load_in_path (filename, default_path, status, refonly);
2856 result->in_gac = FALSE;
2866 * mono_assembly_load_full:
2867 * @aname: A MonoAssemblyName with the assembly name to load.
2868 * @basedir: A directory to look up the assembly at.
2869 * @status: a pointer to a MonoImageOpenStatus to return the status of the load operation
2870 * @refonly: Whether this assembly is being opened in "reflection-only" mode.
2872 * Loads the assembly referenced by @aname, if the value of @basedir is not NULL, it
2873 * attempts to load the assembly from that directory before probing the standard locations.
2875 * If the assembly is being opened in reflection-only mode (@refonly set to TRUE) then no
2876 * assembly binding takes place.
2878 * Returns: the assembly referenced by @aname loaded or NULL on error. On error the
2879 * value pointed by status is updated with an error code.
2882 mono_assembly_load_full (MonoAssemblyName *aname, const char *basedir, MonoImageOpenStatus *status, gboolean refonly)
2884 MonoAssembly *result = mono_assembly_load_full_nosearch (aname, basedir, status, refonly);
2887 /* Try a postload search hook */
2888 result = mono_assembly_invoke_search_hook_internal (aname, refonly, TRUE);
2893 * mono_assembly_load:
2894 * @aname: A MonoAssemblyName with the assembly name to load.
2895 * @basedir: A directory to look up the assembly at.
2896 * @status: a pointer to a MonoImageOpenStatus to return the status of the load operation
2898 * Loads the assembly referenced by @aname, if the value of @basedir is not NULL, it
2899 * attempts to load the assembly from that directory before probing the standard locations.
2901 * Returns: the assembly referenced by @aname loaded or NULL on error. On error the
2902 * value pointed by status is updated with an error code.
2905 mono_assembly_load (MonoAssemblyName *aname, const char *basedir, MonoImageOpenStatus *status)
2907 return mono_assembly_load_full (aname, basedir, status, FALSE);
2911 mono_assembly_loaded_full (MonoAssemblyName *aname, gboolean refonly)
2914 MonoAssemblyName maped_aname;
2916 aname = mono_assembly_remap_version (aname, &maped_aname);
2918 res = mono_assembly_invoke_search_hook_internal (aname, refonly, FALSE);
2924 * mono_assembly_loaded:
2925 * @aname: an assembly to look for.
2927 * Returns: NULL If the given @aname assembly has not been loaded, or a pointer to
2928 * a MonoAssembly that matches the MonoAssemblyName specified.
2931 mono_assembly_loaded (MonoAssemblyName *aname)
2933 return mono_assembly_loaded_full (aname, FALSE);
2937 mono_assembly_release_gc_roots (MonoAssembly *assembly)
2939 if (assembly == NULL || assembly == REFERENCE_MISSING)
2942 if (assembly->dynamic) {
2944 MonoDynamicImage *dynimg = (MonoDynamicImage *)assembly->image;
2945 for (i = 0; i < dynimg->image.module_count; ++i)
2946 mono_dynamic_image_release_gc_roots ((MonoDynamicImage *)dynimg->image.modules [i]);
2947 mono_dynamic_image_release_gc_roots (dynimg);
2952 * Returns whether mono_assembly_close_finish() must be called as
2953 * well. See comment for mono_image_close_except_pools() for why we
2954 * unload in two steps.
2957 mono_assembly_close_except_image_pools (MonoAssembly *assembly)
2960 g_return_val_if_fail (assembly != NULL, FALSE);
2962 if (assembly == REFERENCE_MISSING)
2965 /* Might be 0 already */
2966 if (InterlockedDecrement (&assembly->ref_count) > 0)
2969 mono_profiler_assembly_event (assembly, MONO_PROFILE_START_UNLOAD);
2971 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_ASSEMBLY, "Unloading assembly %s [%p].", assembly->aname.name, assembly);
2973 mono_debug_close_image (assembly->image);
2975 mono_assemblies_lock ();
2976 loaded_assemblies = g_list_remove (loaded_assemblies, assembly);
2977 mono_assemblies_unlock ();
2979 assembly->image->assembly = NULL;
2981 if (!mono_image_close_except_pools (assembly->image))
2982 assembly->image = NULL;
2984 for (tmp = assembly->friend_assembly_names; tmp; tmp = tmp->next) {
2985 MonoAssemblyName *fname = tmp->data;
2986 mono_assembly_name_free (fname);
2989 g_slist_free (assembly->friend_assembly_names);
2990 g_free (assembly->basedir);
2992 mono_profiler_assembly_event (assembly, MONO_PROFILE_END_UNLOAD);
2998 mono_assembly_close_finish (MonoAssembly *assembly)
3000 g_assert (assembly && assembly != REFERENCE_MISSING);
3002 if (assembly->image)
3003 mono_image_close_finish (assembly->image);
3005 if (assembly->dynamic) {
3006 g_free ((char*)assembly->aname.culture);
3013 * mono_assembly_close:
3014 * @assembly: the assembly to release.
3016 * This method releases a reference to the @assembly. The assembly is
3017 * only released when all the outstanding references to it are released.
3020 mono_assembly_close (MonoAssembly *assembly)
3022 if (mono_assembly_close_except_image_pools (assembly))
3023 mono_assembly_close_finish (assembly);
3027 mono_assembly_load_module (MonoAssembly *assembly, guint32 idx)
3029 return mono_image_load_file_for_image (assembly->image, idx);
3033 mono_assembly_foreach (GFunc func, gpointer user_data)
3038 * We make a copy of the list to avoid calling the callback inside the
3039 * lock, which could lead to deadlocks.
3041 mono_assemblies_lock ();
3042 copy = g_list_copy (loaded_assemblies);
3043 mono_assemblies_unlock ();
3045 g_list_foreach (loaded_assemblies, func, user_data);
3051 * mono_assemblies_cleanup:
3053 * Free all resources used by this module.
3056 mono_assemblies_cleanup (void)
3060 DeleteCriticalSection (&assemblies_mutex);
3062 for (l = loaded_assembly_bindings; l; l = l->next) {
3063 MonoAssemblyBindingInfo *info = l->data;
3065 mono_assembly_binding_info_free (info);
3068 g_slist_free (loaded_assembly_bindings);
3070 free_assembly_load_hooks ();
3071 free_assembly_search_hooks ();
3072 free_assembly_preload_hooks ();
3075 /*LOCKING assumes loader lock is held*/
3077 mono_assembly_cleanup_domain_bindings (guint32 domain_id)
3079 GSList **iter = &loaded_assembly_bindings;
3083 MonoAssemblyBindingInfo *info = l->data;
3085 if (info->domain_id == domain_id) {
3087 mono_assembly_binding_info_free (info);
3097 * Holds the assembly of the application, for
3098 * System.Diagnostics.Process::MainModule
3100 static MonoAssembly *main_assembly=NULL;
3103 mono_assembly_set_main (MonoAssembly *assembly)
3105 main_assembly = assembly;
3109 * mono_assembly_get_main:
3111 * Returns: the assembly for the application, the first assembly that is loaded by the VM
3114 mono_assembly_get_main (void)
3116 return (main_assembly);
3120 * mono_assembly_get_image:
3121 * @assembly: The assembly to retrieve the image from
3123 * Returns: the MonoImage associated with this assembly.
3126 mono_assembly_get_image (MonoAssembly *assembly)
3128 return assembly->image;
3132 mono_register_bundled_assemblies (const MonoBundledAssembly **assemblies)
3134 bundles = assemblies;
3137 #define MONO_DECLSEC_FORMAT_10 0x3C
3138 #define MONO_DECLSEC_FORMAT_20 0x2E
3139 #define MONO_DECLSEC_FIELD 0x53
3140 #define MONO_DECLSEC_PROPERTY 0x54
3142 #define SKIP_VISIBILITY_XML_ATTRIBUTE ("\"SkipVerification\"")
3143 #define SKIP_VISIBILITY_ATTRIBUTE_NAME ("System.Security.Permissions.SecurityPermissionAttribute")
3144 #define SKIP_VISIBILITY_ATTRIBUTE_SIZE (sizeof (SKIP_VISIBILITY_ATTRIBUTE_NAME) - 1)
3145 #define SKIP_VISIBILITY_PROPERTY_NAME ("SkipVerification")
3146 #define SKIP_VISIBILITY_PROPERTY_SIZE (sizeof (SKIP_VISIBILITY_PROPERTY_NAME) - 1)
3149 mono_assembly_try_decode_skip_verification_param (const char *p, const char **resp, gboolean *abort_decoding)
3153 case MONO_DECLSEC_PROPERTY:
3155 case MONO_DECLSEC_FIELD:
3157 *abort_decoding = TRUE;
3162 if (*p++ != MONO_TYPE_BOOLEAN) {
3163 *abort_decoding = TRUE;
3167 /* property name length */
3168 len = mono_metadata_decode_value (p, &p);
3170 if (len >= SKIP_VISIBILITY_PROPERTY_SIZE && !memcmp (p, SKIP_VISIBILITY_PROPERTY_NAME, SKIP_VISIBILITY_PROPERTY_SIZE)) {
3181 mono_assembly_try_decode_skip_verification (const char *p, const char *endn)
3183 int i, j, num, len, params_len;
3185 if (*p == MONO_DECLSEC_FORMAT_10) {
3186 gsize read, written;
3187 char *res = g_convert (p, endn - p, "UTF-8", "UTF-16LE", &read, &written, NULL);
3189 gboolean found = strstr (res, SKIP_VISIBILITY_XML_ATTRIBUTE) != NULL;
3195 if (*p++ != MONO_DECLSEC_FORMAT_20)
3198 /* number of encoded permission attributes */
3199 num = mono_metadata_decode_value (p, &p);
3200 for (i = 0; i < num; ++i) {
3201 gboolean is_valid = FALSE;
3202 gboolean abort_decoding = FALSE;
3204 /* attribute name length */
3205 len = mono_metadata_decode_value (p, &p);
3207 /* We don't really need to fully decode the type. Comparing the name is enough */
3208 is_valid = len >= SKIP_VISIBILITY_ATTRIBUTE_SIZE && !memcmp (p, SKIP_VISIBILITY_ATTRIBUTE_NAME, SKIP_VISIBILITY_ATTRIBUTE_SIZE);
3212 /*size of the params table*/
3213 params_len = mono_metadata_decode_value (p, &p);
3215 const char *params_end = p + params_len;
3217 /* number of parameters */
3218 len = mono_metadata_decode_value (p, &p);
3220 for (j = 0; j < len; ++j) {
3221 if (mono_assembly_try_decode_skip_verification_param (p, &p, &abort_decoding))
3237 mono_assembly_has_skip_verification (MonoAssembly *assembly)
3240 guint32 cols [MONO_DECL_SECURITY_SIZE];
3244 if (MONO_SECMAN_FLAG_INIT (assembly->skipverification))
3245 return MONO_SECMAN_FLAG_GET_VALUE (assembly->skipverification);
3247 t = &assembly->image->tables [MONO_TABLE_DECLSECURITY];
3249 for (i = 0; i < t->rows; ++i) {
3250 mono_metadata_decode_row (t, i, cols, MONO_DECL_SECURITY_SIZE);
3251 if ((cols [MONO_DECL_SECURITY_PARENT] & MONO_HAS_DECL_SECURITY_MASK) != MONO_HAS_DECL_SECURITY_ASSEMBLY)
3253 if (cols [MONO_DECL_SECURITY_ACTION] != SECURITY_ACTION_REQMIN)
3256 blob = mono_metadata_blob_heap (assembly->image, cols [MONO_DECL_SECURITY_PERMISSIONSET]);
3257 len = mono_metadata_decode_blob_size (blob, &blob);
3261 if (mono_assembly_try_decode_skip_verification (blob, blob + len)) {
3262 MONO_SECMAN_FLAG_SET_VALUE (assembly->skipverification, TRUE);
3267 MONO_SECMAN_FLAG_SET_VALUE (assembly->skipverification, FALSE);