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 */
63 /* Contains the list of directories to be searched for assemblies (MONO_PATH) */
64 static char **assemblies_path = NULL;
66 /* Contains the list of directories that point to auxiliary GACs */
67 static char **extra_gac_paths = NULL;
69 #ifndef DISABLE_ASSEMBLY_REMAPPING
70 /* The list of system assemblies what will be remapped to the running
71 * runtime version. WARNING: this list must be sorted.
72 * The integer number is an index in the MonoRuntimeInfo structure, whose
73 * values can be found in domain.c - supported_runtimes. Look there
74 * to understand what remapping will be made.
76 static const AssemblyVersionMap framework_assemblies [] = {
78 {"Commons.Xml.Relaxng", 0},
85 {"Microsoft.VisualBasic", 1},
86 {"Microsoft.VisualC", 1},
88 {"Mono.CompilerServices.SymbolWriter", 0},
90 {"Mono.Data.SybaseClient", 0},
92 {"Mono.Data.TdsClient", 0},
93 {"Mono.GetOptions", 0},
97 {"Mono.Security.Win32", 0},
99 {"Novell.Directory.Ldap", 0},
103 {"System.ComponentModel.DataAnnotations", 2},
104 {"System.Configuration", 0},
105 {"System.Configuration.Install", 0},
108 {"System.Data.Linq", 2},
109 {"System.Data.OracleClient", 0},
110 {"System.Data.Services", 2},
111 {"System.Data.Services.Client", 2},
112 {"System.Data.SqlXml", 0},
113 {"System.Design", 0},
114 {"System.DirectoryServices", 0},
115 {"System.Drawing", 0},
116 {"System.Drawing.Design", 0},
117 {"System.EnterpriseServices", 0},
118 {"System.Management", 0},
119 {"System.Messaging", 0},
121 {"System.Runtime.Remoting", 0},
122 {"System.Runtime.Serialization", 3},
123 {"System.Runtime.Serialization.Formatters.Soap", 0},
124 {"System.Security", 0},
125 {"System.ServiceModel.Web", 2},
126 {"System.ServiceProcess", 0},
127 {"System.Transactions", 0},
129 {"System.Web.Abstractions", 2},
130 {"System.Web.DynamicData", 2},
131 {"System.Web.Extensions", 2},
132 {"System.Web.Mobile", 0},
133 {"System.Web.Routing", 2},
134 {"System.Web.Services", 0},
135 {"System.Windows.Forms", 0},
137 {"System.Xml.Linq", 2},
144 * keeps track of loaded assemblies
146 static GList *loaded_assemblies = NULL;
147 static MonoAssembly *corlib;
149 #if defined(__native_client__)
151 /* On Native Client, allow mscorlib to be loaded from memory */
152 /* instead of loaded off disk. If these are not set, default */
153 /* mscorlib loading will take place */
155 /* NOTE: If mscorlib data is passed to mono in this way then */
156 /* it needs to remain allocated during the use of mono. */
158 static void *corlibData = NULL;
159 static size_t corlibSize = 0;
162 mono_set_corlib_data (void *data, size_t size)
170 /* This protects loaded_assemblies and image->references */
171 #define mono_assemblies_lock() EnterCriticalSection (&assemblies_mutex)
172 #define mono_assemblies_unlock() LeaveCriticalSection (&assemblies_mutex)
173 static CRITICAL_SECTION assemblies_mutex;
175 /* If defined, points to the bundled assembly information */
176 const MonoBundledAssembly **bundles;
178 /* Loaded assembly binding info */
179 static GSList *loaded_assembly_bindings = NULL;
182 mono_assembly_invoke_search_hook_internal (MonoAssemblyName *aname, gboolean refonly, gboolean postload);
184 mono_assembly_is_in_gac (const gchar *filanem);
187 encode_public_tok (const guchar *token, gint32 len)
189 const static gchar allowed [] = { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f' };
193 res = g_malloc (len * 2 + 1);
194 for (i = 0; i < len; i++) {
195 res [i * 2] = allowed [token [i] >> 4];
196 res [i * 2 + 1] = allowed [token [i] & 0xF];
203 * mono_public_tokens_are_equal:
204 * @pubt1: first public key token
205 * @pubt2: second public key token
207 * Compare two public key tokens and return #TRUE is they are equal and #FALSE
211 mono_public_tokens_are_equal (const unsigned char *pubt1, const unsigned char *pubt2)
213 return memcmp (pubt1, pubt2, 16) == 0;
217 * mono_set_assemblies_path:
218 * @path: list of paths that contain directories where Mono will look for assemblies
220 * Use this method to override the standard assembly lookup system and
221 * override any assemblies coming from the GAC. This is the method
222 * that supports the MONO_PATH variable.
224 * Notice that MONO_PATH and this method are really a very bad idea as
225 * it prevents the GAC from working and it prevents the standard
226 * resolution mechanisms from working. Nonetheless, for some debugging
227 * situations and bootstrapping setups, this is useful to have.
230 mono_set_assemblies_path (const char* path)
232 char **splitted, **dest;
234 splitted = g_strsplit (path, G_SEARCHPATH_SEPARATOR_S, 1000);
236 g_strfreev (assemblies_path);
237 assemblies_path = dest = splitted;
245 if (g_getenv ("MONO_DEBUG") == NULL)
248 splitted = assemblies_path;
250 if (**splitted && !g_file_test (*splitted, G_FILE_TEST_IS_DIR))
251 g_warning ("'%s' in MONO_PATH doesn't exist or has wrong permissions.", *splitted);
257 /* Native Client can't get this info from an environment variable so */
258 /* it's passed in to the runtime, or set manually by embedding code. */
259 #ifdef __native_client__
260 char* nacl_mono_path = NULL;
264 check_path_env (void)
267 path = g_getenv ("MONO_PATH");
268 #ifdef __native_client__
270 path = nacl_mono_path;
272 if (!path || assemblies_path != NULL)
275 mono_set_assemblies_path(path);
279 check_extra_gac_path_env (void) {
281 char **splitted, **dest;
283 path = g_getenv ("MONO_GAC_PREFIX");
287 splitted = g_strsplit (path, G_SEARCHPATH_SEPARATOR_S, 1000);
289 g_strfreev (extra_gac_paths);
290 extra_gac_paths = dest = splitted;
298 if (g_getenv ("MONO_DEBUG") == NULL)
302 if (**splitted && !g_file_test (*splitted, G_FILE_TEST_IS_DIR))
303 g_warning ("'%s' in MONO_GAC_PREFIX doesn't exist or has wrong permissions.", *splitted);
310 assembly_binding_maps_name (MonoAssemblyBindingInfo *info, MonoAssemblyName *aname)
312 if (!info || !info->name)
315 if (strcmp (info->name, aname->name))
318 if (info->major != aname->major || info->minor != aname->minor)
321 if ((info->culture != NULL && info->culture [0]) != (aname->culture != NULL && aname->culture [0]))
324 if (info->culture && aname->culture && strcmp (info->culture, aname->culture))
327 if (!mono_public_tokens_are_equal (info->public_key_token, aname->public_key_token))
334 mono_assembly_binding_info_free (MonoAssemblyBindingInfo *info)
340 g_free (info->culture);
344 get_publisher_policy_info (MonoImage *image, MonoAssemblyName *aname, MonoAssemblyBindingInfo *binding_info)
347 guint32 cols [MONO_MANIFEST_SIZE];
348 const gchar *filename;
349 gchar *subpath, *fullpath;
351 t = &image->tables [MONO_TABLE_MANIFESTRESOURCE];
352 /* MS Impl. accepts policy assemblies with more than
353 * one manifest resource, and only takes the first one */
355 binding_info->is_valid = FALSE;
359 mono_metadata_decode_row (t, 0, cols, MONO_MANIFEST_SIZE);
360 if ((cols [MONO_MANIFEST_IMPLEMENTATION] & MONO_IMPLEMENTATION_MASK) != MONO_IMPLEMENTATION_FILE) {
361 binding_info->is_valid = FALSE;
365 filename = mono_metadata_string_heap (image, cols [MONO_MANIFEST_NAME]);
366 g_assert (filename != NULL);
368 subpath = g_path_get_dirname (image->name);
369 fullpath = g_build_path (G_DIR_SEPARATOR_S, subpath, filename, NULL);
370 mono_config_parse_publisher_policy (fullpath, binding_info);
374 /* Define the optional elements/attributes before checking */
375 if (!binding_info->culture)
376 binding_info->culture = g_strdup ("");
378 /* Check that the most important elements/attributes exist */
379 if (!binding_info->name || !binding_info->public_key_token [0] || !binding_info->has_old_version_bottom ||
380 !binding_info->has_new_version || !assembly_binding_maps_name (binding_info, aname)) {
381 mono_assembly_binding_info_free (binding_info);
382 binding_info->is_valid = FALSE;
386 binding_info->is_valid = TRUE;
390 compare_versions (AssemblyVersionSet *v, MonoAssemblyName *aname)
392 if (v->major > aname->major)
394 else if (v->major < aname->major)
397 if (v->minor > aname->minor)
399 else if (v->minor < aname->minor)
402 if (v->build > aname->build)
404 else if (v->build < aname->build)
407 if (v->revision > aname->revision)
409 else if (v->revision < aname->revision)
416 check_policy_versions (MonoAssemblyBindingInfo *info, MonoAssemblyName *name)
421 /* If has_old_version_top doesn't exist, we don't have an interval */
422 if (!info->has_old_version_top) {
423 if (compare_versions (&info->old_version_bottom, name) == 0)
429 /* Check that the version defined by name is valid for the interval */
430 if (compare_versions (&info->old_version_top, name) < 0)
433 /* We should be greater or equal than the small version */
434 if (compare_versions (&info->old_version_bottom, name) > 0)
441 * mono_assembly_names_equal:
443 * @r: second assembly.
445 * Compares two MonoAssemblyNames and returns whether they are equal.
447 * This compares the names, the cultures, the release version and their
450 * Returns: TRUE if both assembly names are equal.
453 mono_assembly_names_equal (MonoAssemblyName *l, MonoAssemblyName *r)
455 if (!l->name || !r->name)
458 if (strcmp (l->name, r->name))
461 if (l->culture && r->culture && strcmp (l->culture, r->culture))
464 if (l->major != r->major || l->minor != r->minor ||
465 l->build != r->build || l->revision != r->revision)
466 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)))
469 if (!l->public_key_token [0] || !r->public_key_token [0])
472 if (!mono_public_tokens_are_equal (l->public_key_token, r->public_key_token))
478 static MonoAssembly *
479 load_in_path (const char *basename, const char** search_path, MonoImageOpenStatus *status, MonoBoolean refonly)
483 MonoAssembly *result;
485 for (i = 0; search_path [i]; ++i) {
486 fullpath = g_build_filename (search_path [i], basename, NULL);
487 result = mono_assembly_open_full (fullpath, status, refonly);
496 * mono_assembly_setrootdir:
497 * @root_dir: The pathname of the root directory where we will locate assemblies
499 * This routine sets the internal default root directory for looking up
502 * This is used by Windows installations to compute dynamically the
503 * place where the Mono assemblies are located.
507 mono_assembly_setrootdir (const char *root_dir)
510 * Override the MONO_ASSEMBLIES directory configured at compile time.
512 /* Leak if called more than once */
513 default_path [0] = g_strdup (root_dir);
517 * mono_assembly_getrootdir:
519 * Obtains the root directory used for looking up assemblies.
521 * Returns: a string with the directory, this string should not be freed.
523 G_CONST_RETURN gchar *
524 mono_assembly_getrootdir (void)
526 return default_path [0];
531 * @assembly_dir: the base directory for assemblies
532 * @config_dir: the base directory for configuration files
534 * This routine is used internally and by developers embedding
535 * the runtime into their own applications.
537 * There are a number of cases to consider: Mono as a system-installed
538 * package that is available on the location preconfigured or Mono in
539 * a relocated location.
541 * If you are using a system-installed Mono, you can pass NULL
542 * to both parameters. If you are not, you should compute both
543 * directory values and call this routine.
545 * The values for a given PREFIX are:
547 * assembly_dir: PREFIX/lib
548 * config_dir: PREFIX/etc
550 * Notice that embedders that use Mono in a relocated way must
551 * compute the location at runtime, as they will be in control
552 * of where Mono is installed.
555 mono_set_dirs (const char *assembly_dir, const char *config_dir)
557 #if defined (MONO_ASSEMBLIES)
558 if (assembly_dir == NULL)
559 assembly_dir = MONO_ASSEMBLIES;
561 #if defined (MONO_CFG_DIR)
562 if (config_dir == NULL)
563 config_dir = MONO_CFG_DIR;
565 mono_assembly_setrootdir (assembly_dir);
566 mono_set_config_dir (config_dir);
572 compute_base (char *path)
574 char *p = strrchr (path, '/');
578 /* Not a well known Mono executable, we are embedded, cant guess the base */
579 if (strcmp (p, "/mono") && strcmp (p, "/mono-sgen") && strcmp (p, "/pedump") && strcmp (p, "/monodis") && strcmp (p, "/mint") && strcmp (p, "/monodiet"))
583 p = strrchr (path, '/');
587 if (strcmp (p, "/bin") != 0)
596 mono_set_dirs (MONO_ASSEMBLIES, MONO_CFG_DIR);
599 static G_GNUC_UNUSED void
603 char *config, *lib, *mono;
607 * Only /usr prefix is treated specially
609 if (strncmp (exe, MONO_BINDIR, strlen (MONO_BINDIR)) == 0 || (base = compute_base (exe)) == NULL){
614 config = g_build_filename (base, "etc", NULL);
615 lib = g_build_filename (base, "lib", NULL);
616 mono = g_build_filename (lib, "mono/2.0", NULL);
617 if (stat (mono, &buf) == -1)
620 mono_set_dirs (lib, config);
628 #endif /* HOST_WIN32 */
633 * Registers the root directory for the Mono runtime, for Linux and Solaris 10,
634 * this auto-detects the prefix where Mono was installed.
637 mono_set_rootdir (void)
639 #if defined(HOST_WIN32) || (defined(PLATFORM_MACOSX) && !defined(TARGET_ARM))
640 gchar *bindir, *installdir, *root, *name, *resolvedname, *config;
643 name = mono_get_module_file_name ((HMODULE) &__ImageBase);
647 * _NSGetExecutablePath may return -1 to indicate buf is not large
648 * enough, but we ignore that case to avoid having to do extra dynamic
649 * allocation for the path and hope that 4096 is enough - this is
650 * ok in the Linux/Solaris case below at least...
654 guint buf_size = sizeof (buf);
657 if (_NSGetExecutablePath (buf, &buf_size) == 0)
658 name = g_strdup (buf);
667 resolvedname = mono_path_resolve_symlinks (name);
669 bindir = g_path_get_dirname (resolvedname);
670 installdir = g_path_get_dirname (bindir);
671 root = g_build_path (G_DIR_SEPARATOR_S, installdir, "lib", NULL);
673 config = g_build_filename (root, "..", "etc", NULL);
675 mono_set_dirs (root, config);
677 if (g_file_test (root, G_FILE_TEST_EXISTS) && g_file_test (config, G_FILE_TEST_EXISTS))
678 mono_set_dirs (root, config);
688 g_free (resolvedname);
689 #elif defined(DISABLE_MONO_AUTODETECTION)
697 s = readlink ("/proc/self/exe", buf, sizeof (buf)-1);
705 /* Solaris 10 style */
706 str = g_strdup_printf ("/proc/%d/path/a.out", getpid ());
707 s = readlink (str, buf, sizeof (buf)-1);
719 * mono_assemblies_init:
721 * Initialize global variables used by this module.
724 mono_assemblies_init (void)
727 * Initialize our internal paths if we have not been initialized yet.
728 * This happens when embedders use Mono.
730 if (mono_assembly_getrootdir () == NULL)
734 check_extra_gac_path_env ();
736 InitializeCriticalSection (&assemblies_mutex);
740 mono_assembly_fill_assembly_name (MonoImage *image, MonoAssemblyName *aname)
742 MonoTableInfo *t = &image->tables [MONO_TABLE_ASSEMBLY];
743 guint32 cols [MONO_ASSEMBLY_SIZE];
748 mono_metadata_decode_row (t, 0, cols, MONO_ASSEMBLY_SIZE);
751 aname->hash_value = NULL;
752 aname->name = mono_metadata_string_heap (image, cols [MONO_ASSEMBLY_NAME]);
753 aname->culture = mono_metadata_string_heap (image, cols [MONO_ASSEMBLY_CULTURE]);
754 aname->flags = cols [MONO_ASSEMBLY_FLAGS];
755 aname->major = cols [MONO_ASSEMBLY_MAJOR_VERSION];
756 aname->minor = cols [MONO_ASSEMBLY_MINOR_VERSION];
757 aname->build = cols [MONO_ASSEMBLY_BUILD_NUMBER];
758 aname->revision = cols [MONO_ASSEMBLY_REV_NUMBER];
759 aname->hash_alg = cols [MONO_ASSEMBLY_HASH_ALG];
760 if (cols [MONO_ASSEMBLY_PUBLIC_KEY]) {
761 guchar* token = g_malloc (8);
766 pkey = mono_metadata_blob_heap (image, cols [MONO_ASSEMBLY_PUBLIC_KEY]);
767 len = mono_metadata_decode_blob_size (pkey, &pkey);
768 aname->public_key = (guchar*)pkey;
770 mono_digest_get_public_token (token, aname->public_key, len);
771 encoded = encode_public_tok (token, 8);
772 g_strlcpy ((char*)aname->public_key_token, encoded, MONO_PUBLIC_KEY_TOKEN_LENGTH);
778 aname->public_key = NULL;
779 memset (aname->public_key_token, 0, MONO_PUBLIC_KEY_TOKEN_LENGTH);
782 if (cols [MONO_ASSEMBLY_PUBLIC_KEY]) {
783 aname->public_key = (guchar*)mono_metadata_blob_heap (image, cols [MONO_ASSEMBLY_PUBLIC_KEY]);
786 aname->public_key = 0;
792 * mono_stringify_assembly_name:
793 * @aname: the assembly name.
795 * Convert @aname into its string format. The returned string is dynamically
796 * allocated and should be freed by the caller.
798 * Returns: a newly allocated string with a string representation of
802 mono_stringify_assembly_name (MonoAssemblyName *aname)
804 const char *quote = (aname->name && g_ascii_isspace (aname->name [0])) ? "\"" : "";
806 return g_strdup_printf (
807 "%s%s%s, Version=%d.%d.%d.%d, Culture=%s, PublicKeyToken=%s%s",
808 quote, aname->name, quote,
809 aname->major, aname->minor, aname->build, aname->revision,
810 aname->culture && *aname->culture? aname->culture: "neutral",
811 aname->public_key_token [0] ? (char *)aname->public_key_token : "null",
812 (aname->flags & ASSEMBLYREF_RETARGETABLE_FLAG) ? ", Retargetable=Yes" : "");
816 assemblyref_public_tok (MonoImage *image, guint32 key_index, guint32 flags)
818 const gchar *public_tok;
821 public_tok = mono_metadata_blob_heap (image, key_index);
822 len = mono_metadata_decode_blob_size (public_tok, &public_tok);
824 if (flags & ASSEMBLYREF_FULL_PUBLIC_KEY_FLAG) {
826 mono_digest_get_public_token (token, (guchar*)public_tok, len);
827 return encode_public_tok (token, 8);
830 return encode_public_tok ((guchar*)public_tok, len);
834 * mono_assembly_addref:
835 * @assemnly: the assembly to reference
837 * This routine increments the reference count on a MonoAssembly.
838 * The reference count is reduced every time the method mono_assembly_close() is
842 mono_assembly_addref (MonoAssembly *assembly)
844 InterlockedIncrement (&assembly->ref_count);
848 * CAUTION: This table must be kept in sync with
849 * ivkm/reflect/Fusion.cs
852 #define SILVERLIGHT_KEY "7cec85d7bea7798e"
853 #define WINFX_KEY "31bf3856ad364e35"
854 #define ECMA_KEY "b77a5c561934e089"
855 #define MSFINAL_KEY "b03f5f7f11d50a3a"
863 static KeyRemapEntry key_remap_table[] = {
864 { "Microsoft.CSharp", WINFX_KEY, MSFINAL_KEY },
865 { "System", SILVERLIGHT_KEY, ECMA_KEY },
866 { "System.ComponentModel.Composition", WINFX_KEY, ECMA_KEY },
867 { "System.ComponentModel.DataAnnotations", "ddd0da4d3e678217", WINFX_KEY },
868 { "System.Core", SILVERLIGHT_KEY, ECMA_KEY },
869 // FIXME: MS uses MSFINAL_KEY for .NET 4.5
870 { "System.Net", SILVERLIGHT_KEY, MSFINAL_KEY },
871 { "System.Numerics", WINFX_KEY, ECMA_KEY },
872 { "System.Runtime.Serialization", SILVERLIGHT_KEY, ECMA_KEY },
873 { "System.ServiceModel", WINFX_KEY, ECMA_KEY },
874 { "System.ServiceModel.Web", SILVERLIGHT_KEY, WINFX_KEY },
875 { "System.Windows", SILVERLIGHT_KEY, MSFINAL_KEY },
876 { "System.Xml", SILVERLIGHT_KEY, ECMA_KEY },
877 { "System.Xml.Linq", WINFX_KEY, ECMA_KEY },
878 { "System.Xml.Serialization", WINFX_KEY, ECMA_KEY }
882 remap_keys (MonoAssemblyName *aname)
885 for (i = 0; i < G_N_ELEMENTS (key_remap_table); i++) {
886 const KeyRemapEntry *entry = &key_remap_table [i];
888 if (strcmp (aname->name, entry->name) ||
889 !mono_public_tokens_are_equal (aname->public_key_token, (const unsigned char*) entry->from))
892 memcpy (aname->public_key_token, entry->to, MONO_PUBLIC_KEY_TOKEN_LENGTH);
894 mono_trace (G_LOG_LEVEL_WARNING, MONO_TRACE_ASSEMBLY,
895 "Remapped public key token of retargetable assembly %s from %s to %s",
896 aname->name, entry->from, entry->to);
901 static MonoAssemblyName *
902 mono_assembly_remap_version (MonoAssemblyName *aname, MonoAssemblyName *dest_aname)
904 const MonoRuntimeInfo *current_runtime;
905 int pos, first, last;
907 if (aname->name == NULL) return aname;
909 current_runtime = mono_get_runtime_info ();
911 if (aname->flags & ASSEMBLYREF_RETARGETABLE_FLAG) {
912 const AssemblyVersionSet* vset;
914 /* Remap to current runtime */
915 vset = ¤t_runtime->version_sets [0];
917 memcpy (dest_aname, aname, sizeof(MonoAssemblyName));
918 dest_aname->major = vset->major;
919 dest_aname->minor = vset->minor;
920 dest_aname->build = vset->build;
921 dest_aname->revision = vset->revision;
922 dest_aname->flags &= ~ASSEMBLYREF_RETARGETABLE_FLAG;
924 /* Remap assembly name */
925 if (!strcmp (aname->name, "System.Net"))
926 dest_aname->name = g_strdup ("System");
928 remap_keys (dest_aname);
930 mono_trace (G_LOG_LEVEL_WARNING, MONO_TRACE_ASSEMBLY,
931 "The request to load the retargetable assembly %s v%d.%d.%d.%d was remapped to %s v%d.%d.%d.%d",
933 aname->major, aname->minor, aname->build, aname->revision,
935 vset->major, vset->minor, vset->build, vset->revision
941 #ifndef DISABLE_ASSEMBLY_REMAPPING
943 last = G_N_ELEMENTS (framework_assemblies) - 1;
945 while (first <= last) {
947 pos = first + (last - first) / 2;
948 res = strcmp (aname->name, framework_assemblies[pos].assembly_name);
950 const AssemblyVersionSet* vset;
951 int index = framework_assemblies[pos].version_set_index;
952 g_assert (index < G_N_ELEMENTS (current_runtime->version_sets));
953 vset = ¤t_runtime->version_sets [index];
955 if (aname->major == vset->major && aname->minor == vset->minor &&
956 aname->build == vset->build && aname->revision == vset->revision)
959 if ((aname->major | aname->minor | aname->build | aname->revision) != 0)
960 mono_trace (G_LOG_LEVEL_WARNING, MONO_TRACE_ASSEMBLY,
961 "The request to load the assembly %s v%d.%d.%d.%d was remapped to v%d.%d.%d.%d",
963 aname->major, aname->minor, aname->build, aname->revision,
964 vset->major, vset->minor, vset->build, vset->revision
967 memcpy (dest_aname, aname, sizeof(MonoAssemblyName));
968 dest_aname->major = vset->major;
969 dest_aname->minor = vset->minor;
970 dest_aname->build = vset->build;
971 dest_aname->revision = vset->revision;
973 } else if (res < 0) {
985 * mono_assembly_get_assemblyref:
987 * Fill out ANAME with the assembly name of the INDEXth assembly reference in IMAGE.
990 mono_assembly_get_assemblyref (MonoImage *image, int index, MonoAssemblyName *aname)
993 guint32 cols [MONO_ASSEMBLYREF_SIZE];
996 t = &image->tables [MONO_TABLE_ASSEMBLYREF];
998 mono_metadata_decode_row (t, index, cols, MONO_ASSEMBLYREF_SIZE);
1000 hash = mono_metadata_blob_heap (image, cols [MONO_ASSEMBLYREF_HASH_VALUE]);
1001 aname->hash_len = mono_metadata_decode_blob_size (hash, &hash);
1002 aname->hash_value = hash;
1003 aname->name = mono_metadata_string_heap (image, cols [MONO_ASSEMBLYREF_NAME]);
1004 aname->culture = mono_metadata_string_heap (image, cols [MONO_ASSEMBLYREF_CULTURE]);
1005 aname->flags = cols [MONO_ASSEMBLYREF_FLAGS];
1006 aname->major = cols [MONO_ASSEMBLYREF_MAJOR_VERSION];
1007 aname->minor = cols [MONO_ASSEMBLYREF_MINOR_VERSION];
1008 aname->build = cols [MONO_ASSEMBLYREF_BUILD_NUMBER];
1009 aname->revision = cols [MONO_ASSEMBLYREF_REV_NUMBER];
1011 if (cols [MONO_ASSEMBLYREF_PUBLIC_KEY]) {
1012 gchar *token = assemblyref_public_tok (image, cols [MONO_ASSEMBLYREF_PUBLIC_KEY], aname->flags);
1013 g_strlcpy ((char*)aname->public_key_token, token, MONO_PUBLIC_KEY_TOKEN_LENGTH);
1016 memset (aname->public_key_token, 0, MONO_PUBLIC_KEY_TOKEN_LENGTH);
1021 mono_assembly_load_reference (MonoImage *image, int index)
1023 MonoAssembly *reference;
1024 MonoAssemblyName aname;
1025 MonoImageOpenStatus status;
1028 * image->references is shared between threads, so we need to access
1029 * it inside a critical section.
1031 mono_assemblies_lock ();
1032 if (!image->references) {
1033 MonoTableInfo *t = &image->tables [MONO_TABLE_ASSEMBLYREF];
1035 image->references = g_new0 (MonoAssembly *, t->rows + 1);
1036 image->nreferences = t->rows;
1038 reference = image->references [index];
1039 mono_assemblies_unlock ();
1043 mono_assembly_get_assemblyref (image, index, &aname);
1045 if (image->assembly && image->assembly->ref_only) {
1046 /* We use the loaded corlib */
1047 if (!strcmp (aname.name, "mscorlib"))
1048 reference = mono_assembly_load_full (&aname, image->assembly->basedir, &status, FALSE);
1050 reference = mono_assembly_loaded_full (&aname, TRUE);
1052 /* Try a postload search hook */
1053 reference = mono_assembly_invoke_search_hook_internal (&aname, TRUE, TRUE);
1057 * Here we must advice that the error was due to
1058 * a non loaded reference using the ReflectionOnly api
1061 reference = REFERENCE_MISSING;
1063 reference = mono_assembly_load (&aname, image->assembly? image->assembly->basedir: NULL, &status);
1065 if (reference == NULL){
1068 if (status == MONO_IMAGE_ERROR_ERRNO && errno == ENOENT) {
1069 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 : "" );
1070 } else if (status == MONO_IMAGE_ERROR_ERRNO) {
1071 extra_msg = g_strdup_printf ("System error: %s\n", strerror (errno));
1072 } else if (status == MONO_IMAGE_MISSING_ASSEMBLYREF) {
1073 extra_msg = g_strdup ("Cannot find an assembly referenced from this one.\n");
1074 } else if (status == MONO_IMAGE_IMAGE_INVALID) {
1075 extra_msg = g_strdup ("The file exists but is not a valid assembly.\n");
1077 extra_msg = g_strdup ("");
1080 mono_trace (G_LOG_LEVEL_WARNING, MONO_TRACE_ASSEMBLY, "The following assembly referenced from %s could not be loaded:\n"
1081 " Assembly: %s (assemblyref_index=%d)\n"
1082 " Version: %d.%d.%d.%d\n"
1083 " Public Key: %s\n%s",
1084 image->name, aname.name, index,
1085 aname.major, aname.minor, aname.build, aname.revision,
1086 strlen ((char*)aname.public_key_token) == 0 ? "(none)" : (char*)aname.public_key_token, extra_msg);
1090 mono_assemblies_lock ();
1091 if (reference == NULL) {
1092 /* Flag as not found */
1093 reference = REFERENCE_MISSING;
1096 if (!image->references [index]) {
1097 if (reference != REFERENCE_MISSING){
1098 mono_assembly_addref (reference);
1099 if (image->assembly)
1100 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_ASSEMBLY, "Assembly Ref addref %s[%p] -> %s[%p]: %d",
1101 image->assembly->aname.name, image->assembly, reference->aname.name, reference, reference->ref_count);
1103 if (image->assembly)
1104 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_ASSEMBLY, "Failed to load assembly %s[%p]\n",
1105 image->assembly->aname.name, image->assembly);
1108 image->references [index] = reference;
1110 mono_assemblies_unlock ();
1112 if (image->references [index] != reference) {
1113 /* Somebody loaded it before us */
1114 mono_assembly_close (reference);
1119 mono_assembly_load_references (MonoImage *image, MonoImageOpenStatus *status)
1121 /* This is a no-op now but it is part of the embedding API so we can't remove it */
1122 *status = MONO_IMAGE_OK;
1125 typedef struct AssemblyLoadHook AssemblyLoadHook;
1126 struct AssemblyLoadHook {
1127 AssemblyLoadHook *next;
1128 MonoAssemblyLoadFunc func;
1132 AssemblyLoadHook *assembly_load_hook = NULL;
1135 mono_assembly_invoke_load_hook (MonoAssembly *ass)
1137 AssemblyLoadHook *hook;
1139 for (hook = assembly_load_hook; hook; hook = hook->next) {
1140 hook->func (ass, hook->user_data);
1145 mono_install_assembly_load_hook (MonoAssemblyLoadFunc func, gpointer user_data)
1147 AssemblyLoadHook *hook;
1149 g_return_if_fail (func != NULL);
1151 hook = g_new0 (AssemblyLoadHook, 1);
1153 hook->user_data = user_data;
1154 hook->next = assembly_load_hook;
1155 assembly_load_hook = hook;
1159 free_assembly_load_hooks (void)
1161 AssemblyLoadHook *hook, *next;
1163 for (hook = assembly_load_hook; hook; hook = next) {
1169 typedef struct AssemblySearchHook AssemblySearchHook;
1170 struct AssemblySearchHook {
1171 AssemblySearchHook *next;
1172 MonoAssemblySearchFunc func;
1178 AssemblySearchHook *assembly_search_hook = NULL;
1180 static MonoAssembly*
1181 mono_assembly_invoke_search_hook_internal (MonoAssemblyName *aname, gboolean refonly, gboolean postload)
1183 AssemblySearchHook *hook;
1185 for (hook = assembly_search_hook; hook; hook = hook->next) {
1186 if ((hook->refonly == refonly) && (hook->postload == postload)) {
1187 MonoAssembly *ass = hook->func (aname, hook->user_data);
1197 mono_assembly_invoke_search_hook (MonoAssemblyName *aname)
1199 return mono_assembly_invoke_search_hook_internal (aname, FALSE, FALSE);
1203 mono_install_assembly_search_hook_internal (MonoAssemblySearchFunc func, gpointer user_data, gboolean refonly, gboolean postload)
1205 AssemblySearchHook *hook;
1207 g_return_if_fail (func != NULL);
1209 hook = g_new0 (AssemblySearchHook, 1);
1211 hook->user_data = user_data;
1212 hook->refonly = refonly;
1213 hook->postload = postload;
1214 hook->next = assembly_search_hook;
1215 assembly_search_hook = hook;
1219 mono_install_assembly_search_hook (MonoAssemblySearchFunc func, gpointer user_data)
1221 mono_install_assembly_search_hook_internal (func, user_data, FALSE, FALSE);
1225 free_assembly_search_hooks (void)
1227 AssemblySearchHook *hook, *next;
1229 for (hook = assembly_search_hook; hook; hook = next) {
1236 mono_install_assembly_refonly_search_hook (MonoAssemblySearchFunc func, gpointer user_data)
1238 mono_install_assembly_search_hook_internal (func, user_data, TRUE, FALSE);
1242 mono_install_assembly_postload_search_hook (MonoAssemblySearchFunc func, gpointer user_data)
1244 mono_install_assembly_search_hook_internal (func, user_data, FALSE, TRUE);
1248 mono_install_assembly_postload_refonly_search_hook (MonoAssemblySearchFunc func, gpointer user_data)
1250 mono_install_assembly_search_hook_internal (func, user_data, TRUE, TRUE);
1253 typedef struct AssemblyPreLoadHook AssemblyPreLoadHook;
1254 struct AssemblyPreLoadHook {
1255 AssemblyPreLoadHook *next;
1256 MonoAssemblyPreLoadFunc func;
1260 static AssemblyPreLoadHook *assembly_preload_hook = NULL;
1261 static AssemblyPreLoadHook *assembly_refonly_preload_hook = NULL;
1263 static MonoAssembly *
1264 invoke_assembly_preload_hook (MonoAssemblyName *aname, gchar **assemblies_path)
1266 AssemblyPreLoadHook *hook;
1267 MonoAssembly *assembly;
1269 for (hook = assembly_preload_hook; hook; hook = hook->next) {
1270 assembly = hook->func (aname, assemblies_path, hook->user_data);
1271 if (assembly != NULL)
1278 static MonoAssembly *
1279 invoke_assembly_refonly_preload_hook (MonoAssemblyName *aname, gchar **assemblies_path)
1281 AssemblyPreLoadHook *hook;
1282 MonoAssembly *assembly;
1284 for (hook = assembly_refonly_preload_hook; hook; hook = hook->next) {
1285 assembly = hook->func (aname, assemblies_path, hook->user_data);
1286 if (assembly != NULL)
1294 mono_install_assembly_preload_hook (MonoAssemblyPreLoadFunc func, gpointer user_data)
1296 AssemblyPreLoadHook *hook;
1298 g_return_if_fail (func != NULL);
1300 hook = g_new0 (AssemblyPreLoadHook, 1);
1302 hook->user_data = user_data;
1303 hook->next = assembly_preload_hook;
1304 assembly_preload_hook = hook;
1308 mono_install_assembly_refonly_preload_hook (MonoAssemblyPreLoadFunc func, gpointer user_data)
1310 AssemblyPreLoadHook *hook;
1312 g_return_if_fail (func != NULL);
1314 hook = g_new0 (AssemblyPreLoadHook, 1);
1316 hook->user_data = user_data;
1317 hook->next = assembly_refonly_preload_hook;
1318 assembly_refonly_preload_hook = hook;
1322 free_assembly_preload_hooks (void)
1324 AssemblyPreLoadHook *hook, *next;
1326 for (hook = assembly_preload_hook; hook; hook = next) {
1331 for (hook = assembly_refonly_preload_hook; hook; hook = next) {
1338 absolute_dir (const gchar *filename)
1349 if (g_path_is_absolute (filename)) {
1350 part = g_path_get_dirname (filename);
1351 res = g_strconcat (part, G_DIR_SEPARATOR_S, NULL);
1356 cwd = g_get_current_dir ();
1357 mixed = g_build_filename (cwd, filename, NULL);
1358 parts = g_strsplit (mixed, G_DIR_SEPARATOR_S, 0);
1363 for (i = 0; (part = parts [i]) != NULL; i++) {
1364 if (!strcmp (part, "."))
1367 if (!strcmp (part, "..")) {
1368 if (list && list->next) /* Don't remove root */
1369 list = g_list_delete_link (list, list);
1371 list = g_list_prepend (list, part);
1375 result = g_string_new ("");
1376 list = g_list_reverse (list);
1378 /* Ignores last data pointer, which should be the filename */
1379 for (tmp = list; tmp && tmp->next != NULL; tmp = tmp->next){
1381 g_string_append_printf (result, "%s%c", (char *) tmp->data,
1386 g_string_free (result, FALSE);
1391 return g_strdup (".");
1398 * mono_assembly_open_from_bundle:
1399 * @filename: Filename requested
1400 * @status: return value
1402 * This routine tries to open the assembly specified by `filename' from the
1403 * defined bundles, if found, returns the MonoImage for it, if not found
1407 mono_assembly_open_from_bundle (const char *filename, MonoImageOpenStatus *status, gboolean refonly)
1411 MonoImage *image = NULL;
1414 * we do a very simple search for bundled assemblies: it's not a general
1415 * purpose assembly loading mechanism.
1421 name = g_path_get_basename (filename);
1423 mono_assemblies_lock ();
1424 for (i = 0; !image && bundles [i]; ++i) {
1425 if (strcmp (bundles [i]->name, name) == 0) {
1426 image = mono_image_open_from_data_with_name ((char*)bundles [i]->data, bundles [i]->size, FALSE, status, refonly, name);
1430 mono_assemblies_unlock ();
1433 mono_image_addref (image);
1440 mono_assembly_open_full (const char *filename, MonoImageOpenStatus *status, gboolean refonly)
1444 MonoImageOpenStatus def_status;
1448 g_return_val_if_fail (filename != NULL, NULL);
1451 status = &def_status;
1452 *status = MONO_IMAGE_OK;
1454 if (strncmp (filename, "file://", 7) == 0) {
1455 GError *error = NULL;
1456 gchar *uri = (gchar *) filename;
1460 * MS allows file://c:/... and fails on file://localhost/c:/...
1461 * They also throw an IndexOutOfRangeException if "file://"
1464 uri = g_strdup_printf ("file:///%s", uri + 7);
1467 uri = mono_escape_uri_string (tmpuri);
1468 fname = g_filename_from_uri (uri, NULL, &error);
1471 if (tmpuri != filename)
1474 if (error != NULL) {
1475 g_warning ("%s\n", error->message);
1476 g_error_free (error);
1477 fname = g_strdup (filename);
1480 fname = g_strdup (filename);
1483 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_ASSEMBLY,
1484 "Assembly Loader probing location: '%s'.", fname);
1487 if (!mono_assembly_is_in_gac (fname))
1488 new_fname = mono_make_shadow_copy (fname);
1489 if (new_fname && new_fname != fname) {
1492 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_ASSEMBLY,
1493 "Assembly Loader shadow-copied assembly to: '%s'.", fname);
1498 if (bundles != NULL)
1499 image = mono_assembly_open_from_bundle (fname, status, refonly);
1502 image = mono_image_open_full (fname, status, refonly);
1505 if (*status == MONO_IMAGE_OK)
1506 *status = MONO_IMAGE_ERROR_ERRNO;
1511 if (image->assembly) {
1512 /* Already loaded by another appdomain */
1513 mono_assembly_invoke_load_hook (image->assembly);
1514 mono_image_close (image);
1516 return image->assembly;
1519 ass = mono_assembly_load_from_full (image, fname, status, refonly);
1522 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_ASSEMBLY,
1523 "Assembly Loader loaded assembly from location: '%s'.", filename);
1525 mono_config_for_assembly (ass->image);
1528 /* Clear the reference added by mono_image_open */
1529 mono_image_close (image);
1537 free_item (gpointer val, gpointer user_data)
1543 * mono_assembly_load_friends:
1546 * Load the list of friend assemblies that are allowed to access
1547 * the assembly's internal types and members. They are stored as assembly
1548 * names in custom attributes.
1550 * This is an internal method, we need this because when we load mscorlib
1551 * we do not have the mono_defaults.internals_visible_class loaded yet,
1552 * so we need to load these after we initialize the runtime.
1554 * LOCKING: Acquires the assemblies lock plus the loader lock.
1557 mono_assembly_load_friends (MonoAssembly* ass)
1560 MonoCustomAttrInfo* attrs;
1563 if (ass->friend_assembly_names_inited)
1566 attrs = mono_custom_attrs_from_assembly (ass);
1568 mono_assemblies_lock ();
1569 ass->friend_assembly_names_inited = TRUE;
1570 mono_assemblies_unlock ();
1574 mono_assemblies_lock ();
1575 if (ass->friend_assembly_names_inited) {
1576 mono_assemblies_unlock ();
1579 mono_assemblies_unlock ();
1583 * We build the list outside the assemblies lock, the worse that can happen
1584 * is that we'll need to free the allocated list.
1586 for (i = 0; i < attrs->num_attrs; ++i) {
1587 MonoCustomAttrEntry *attr = &attrs->attrs [i];
1588 MonoAssemblyName *aname;
1591 /* Do some sanity checking */
1592 if (!attr->ctor || attr->ctor->klass != mono_defaults.internals_visible_class)
1594 if (attr->data_size < 4)
1596 data = (const char*)attr->data;
1597 /* 0xFF means null string, see custom attr format */
1598 if (data [0] != 1 || data [1] != 0 || (data [2] & 0xFF) == 0xFF)
1600 slen = mono_metadata_decode_value (data + 2, &data);
1601 aname = g_new0 (MonoAssemblyName, 1);
1602 /*g_print ("friend ass: %s\n", data);*/
1603 if (mono_assembly_name_parse_full (data, aname, TRUE, NULL, NULL)) {
1604 list = g_slist_prepend (list, aname);
1609 mono_custom_attrs_free (attrs);
1611 mono_assemblies_lock ();
1612 if (ass->friend_assembly_names_inited) {
1613 mono_assemblies_unlock ();
1614 g_slist_foreach (list, free_item, NULL);
1615 g_slist_free (list);
1618 ass->friend_assembly_names = list;
1620 /* Because of the double checked locking pattern above */
1621 mono_memory_barrier ();
1622 ass->friend_assembly_names_inited = TRUE;
1623 mono_assemblies_unlock ();
1627 * mono_assembly_open:
1628 * @filename: Opens the assembly pointed out by this name
1629 * @status: where a status code can be returned
1631 * mono_assembly_open opens the PE-image pointed by @filename, and
1632 * loads any external assemblies referenced by it.
1634 * Return: a pointer to the MonoAssembly if @filename contains a valid
1635 * assembly or NULL on error. Details about the error are stored in the
1639 mono_assembly_open (const char *filename, MonoImageOpenStatus *status)
1641 return mono_assembly_open_full (filename, status, FALSE);
1645 mono_assembly_load_from_full (MonoImage *image, const char*fname,
1646 MonoImageOpenStatus *status, gboolean refonly)
1648 MonoAssembly *ass, *ass2;
1651 if (!image->tables [MONO_TABLE_ASSEMBLY].rows) {
1652 /* 'image' doesn't have a manifest -- maybe someone is trying to Assembly.Load a .netmodule */
1653 *status = MONO_IMAGE_IMAGE_INVALID;
1657 #if defined (HOST_WIN32)
1662 tmp_fn = g_strdup (fname);
1663 for (i = strlen (tmp_fn) - 1; i >= 0; i--) {
1664 if (tmp_fn [i] == '/')
1668 base_dir = absolute_dir (tmp_fn);
1672 base_dir = absolute_dir (fname);
1676 * Create assembly struct, and enter it into the assembly cache
1678 ass = g_new0 (MonoAssembly, 1);
1679 ass->basedir = base_dir;
1680 ass->ref_only = refonly;
1683 mono_profiler_assembly_event (ass, MONO_PROFILE_START_LOAD);
1685 mono_assembly_fill_assembly_name (image, &ass->aname);
1687 if (mono_defaults.corlib && strcmp (ass->aname.name, "mscorlib") == 0) {
1688 // MS.NET doesn't support loading other mscorlibs
1691 mono_image_addref (mono_defaults.corlib);
1692 *status = MONO_IMAGE_OK;
1693 return mono_defaults.corlib->assembly;
1696 /* Add a non-temporary reference because of ass->image */
1697 mono_image_addref (image);
1699 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);
1702 * The load hooks might take locks so we can't call them while holding the
1705 if (ass->aname.name) {
1706 ass2 = mono_assembly_invoke_search_hook_internal (&ass->aname, refonly, FALSE);
1710 mono_image_close (image);
1711 *status = MONO_IMAGE_OK;
1716 mono_assemblies_lock ();
1718 if (image->assembly) {
1720 * This means another thread has already loaded the assembly, but not yet
1721 * called the load hooks so the search hook can't find the assembly.
1723 mono_assemblies_unlock ();
1724 ass2 = image->assembly;
1727 mono_image_close (image);
1728 *status = MONO_IMAGE_OK;
1732 image->assembly = ass;
1734 loaded_assemblies = g_list_prepend (loaded_assemblies, ass);
1735 mono_assemblies_unlock ();
1738 if (image->is_module_handle)
1739 mono_image_fixup_vtable (image);
1742 mono_assembly_invoke_load_hook (ass);
1744 mono_profiler_assembly_loaded (ass, MONO_PROFILE_OK);
1750 mono_assembly_load_from (MonoImage *image, const char *fname,
1751 MonoImageOpenStatus *status)
1753 return mono_assembly_load_from_full (image, fname, status, FALSE);
1757 * mono_assembly_name_free:
1758 * @aname: assembly name to free
1760 * Frees the provided assembly name object.
1761 * (it does not frees the object itself, only the name members).
1764 mono_assembly_name_free (MonoAssemblyName *aname)
1769 g_free ((void *) aname->name);
1770 g_free ((void *) aname->culture);
1771 g_free ((void *) aname->hash_value);
1775 parse_public_key (const gchar *key, gchar** pubkey, gboolean *is_ecma)
1778 gchar header [16], val, *arr;
1779 gint i, j, offset, bitlen, keylen, pkeylen;
1781 keylen = strlen (key) >> 1;
1785 /* allow the ECMA standard key */
1786 if (strcmp (key, "00000000000000000400000000000000") == 0) {
1788 *pubkey = g_strdup (key);
1794 val = g_ascii_xdigit_value (key [0]) << 4;
1795 val |= g_ascii_xdigit_value (key [1]);
1800 val = g_ascii_xdigit_value (key [24]);
1801 val |= g_ascii_xdigit_value (key [25]);
1813 /* We need the first 16 bytes
1814 * to check whether this key is valid or not */
1815 pkeylen = strlen (pkey) >> 1;
1819 for (i = 0, j = 0; i < 16; i++) {
1820 header [i] = g_ascii_xdigit_value (pkey [j++]) << 4;
1821 header [i] |= g_ascii_xdigit_value (pkey [j++]);
1824 if (header [0] != 0x06 || /* PUBLICKEYBLOB (0x06) */
1825 header [1] != 0x02 || /* Version (0x02) */
1826 header [2] != 0x00 || /* Reserved (word) */
1827 header [3] != 0x00 ||
1828 (guint)(read32 (header + 8)) != 0x31415352) /* DWORD magic = RSA1 */
1831 /* Based on this length, we _should_ be able to know if the length is right */
1832 bitlen = read32 (header + 12) >> 3;
1833 if ((bitlen + 16 + 4) != pkeylen)
1836 /* parsing is OK and the public key itself is not requested back */
1840 /* Encode the size of the blob */
1842 if (keylen <= 127) {
1843 arr = g_malloc (keylen + 1);
1844 arr [offset++] = keylen;
1846 arr = g_malloc (keylen + 2);
1847 arr [offset++] = 0x80; /* 10bs */
1848 arr [offset++] = keylen;
1851 for (i = offset, j = 0; i < keylen + offset; i++) {
1852 arr [i] = g_ascii_xdigit_value (key [j++]) << 4;
1853 arr [i] |= g_ascii_xdigit_value (key [j++]);
1862 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)
1864 gint major, minor, build, revision;
1867 gchar *pkey, *pkeyptr, *encoded, tok [8];
1869 memset (aname, 0, sizeof (MonoAssemblyName));
1872 version_parts = sscanf (version, "%u.%u.%u.%u", &major, &minor, &build, &revision);
1873 if (version_parts < 2 || version_parts > 4)
1876 /* FIXME: we should set build & revision to -1 (instead of 0)
1877 if these are not set in the version string. That way, later on,
1878 we can still determine if these were specified. */
1879 aname->major = major;
1880 aname->minor = minor;
1881 if (version_parts >= 3)
1882 aname->build = build;
1885 if (version_parts == 4)
1886 aname->revision = revision;
1888 aname->revision = 0;
1891 aname->flags = flags;
1893 aname->name = g_strdup (name);
1896 if (g_ascii_strcasecmp (culture, "neutral") == 0)
1897 aname->culture = g_strdup ("");
1899 aname->culture = g_strdup (culture);
1902 if (token && strncmp (token, "null", 4) != 0) {
1905 /* the constant includes the ending NULL, hence the -1 */
1906 if (strlen (token) != (MONO_PUBLIC_KEY_TOKEN_LENGTH - 1)) {
1907 mono_assembly_name_free (aname);
1910 lower = g_ascii_strdown (token, MONO_PUBLIC_KEY_TOKEN_LENGTH);
1911 g_strlcpy ((char*)aname->public_key_token, lower, MONO_PUBLIC_KEY_TOKEN_LENGTH);
1917 if (strcmp (key, "null") == 0 || !parse_public_key (key, &pkey, &is_ecma)) {
1918 mono_assembly_name_free (aname);
1923 if (save_public_key)
1924 aname->public_key = (guint8*)pkey;
1927 g_strlcpy ((gchar*)aname->public_key_token, "b77a5c561934e089", MONO_PUBLIC_KEY_TOKEN_LENGTH);
1931 len = mono_metadata_decode_blob_size ((const gchar *) pkey, (const gchar **) &pkeyptr);
1932 // We also need to generate the key token
1933 mono_digest_get_public_token ((guchar*) tok, (guint8*) pkeyptr, len);
1934 encoded = encode_public_tok ((guchar*) tok, 8);
1935 g_strlcpy ((gchar*)aname->public_key_token, encoded, MONO_PUBLIC_KEY_TOKEN_LENGTH);
1938 if (save_public_key)
1939 aname->public_key = (guint8*) pkey;
1948 parse_assembly_directory_name (const char *name, const char *dirname, MonoAssemblyName *aname)
1953 parts = g_strsplit (dirname, "_", 3);
1954 if (!parts || !parts[0] || !parts[1] || !parts[2]) {
1959 res = build_assembly_name (name, parts[0], parts[1], parts[2], NULL, 0, 0, aname, FALSE);
1965 split_key_value (const gchar *pair, gchar **key, guint32 *keylen, gchar **value)
1967 char *eqsign = strchr (pair, '=');
1975 *key = (gchar*)pair;
1976 *keylen = eqsign - *key;
1977 while (*keylen > 0 && g_ascii_isspace ((*key) [*keylen - 1]))
1979 *value = g_strstrip (eqsign + 1);
1984 mono_assembly_name_parse_full (const char *name, MonoAssemblyName *aname, gboolean save_public_key, gboolean *is_version_defined, gboolean *is_token_defined)
1987 gchar *version = NULL;
1988 gchar *culture = NULL;
1989 gchar *token = NULL;
1991 gchar *retargetable = NULL;
1993 gchar *value, *part_name;
1994 guint32 part_name_len;
1997 gboolean version_defined;
1998 gboolean token_defined;
2000 guint32 arch = MONO_PROCESSOR_ARCHITECTURE_NONE;
2002 if (!is_version_defined)
2003 is_version_defined = &version_defined;
2004 *is_version_defined = FALSE;
2005 if (!is_token_defined)
2006 is_token_defined = &token_defined;
2007 *is_token_defined = FALSE;
2009 parts = tmp = g_strsplit (name, ",", 6);
2010 if (!tmp || !*tmp) {
2015 dllname = g_strstrip (*tmp);
2020 if (!split_key_value (g_strstrip (*tmp), &part_name, &part_name_len, &value))
2021 goto cleanup_and_fail;
2023 if (part_name_len == 7 && !g_ascii_strncasecmp (part_name, "Version", part_name_len)) {
2024 *is_version_defined = TRUE;
2026 if (strlen (version) == 0) {
2027 goto cleanup_and_fail;
2033 if (part_name_len == 7 && !g_ascii_strncasecmp (part_name, "Culture", part_name_len)) {
2035 if (strlen (culture) == 0) {
2036 goto cleanup_and_fail;
2042 if (part_name_len == 14 && !g_ascii_strncasecmp (part_name, "PublicKeyToken", part_name_len)) {
2043 *is_token_defined = TRUE;
2045 if (strlen (token) == 0) {
2046 goto cleanup_and_fail;
2052 if (part_name_len == 9 && !g_ascii_strncasecmp (part_name, "PublicKey", part_name_len)) {
2054 if (strlen (key) == 0) {
2055 goto cleanup_and_fail;
2061 if (part_name_len == 12 && !g_ascii_strncasecmp (part_name, "Retargetable", part_name_len)) {
2062 retargetable = value;
2063 if (strlen (retargetable) == 0) {
2064 goto cleanup_and_fail;
2066 if (!g_ascii_strcasecmp (retargetable, "yes")) {
2067 flags |= ASSEMBLYREF_RETARGETABLE_FLAG;
2068 } else if (g_ascii_strcasecmp (retargetable, "no")) {
2069 goto cleanup_and_fail;
2075 if (part_name_len == 21 && !g_ascii_strncasecmp (part_name, "ProcessorArchitecture", part_name_len)) {
2076 if (!g_ascii_strcasecmp (value, "None"))
2077 arch = MONO_PROCESSOR_ARCHITECTURE_NONE;
2078 else if (!g_ascii_strcasecmp (value, "MSIL"))
2079 arch = MONO_PROCESSOR_ARCHITECTURE_MSIL;
2080 else if (!g_ascii_strcasecmp (value, "X86"))
2081 arch = MONO_PROCESSOR_ARCHITECTURE_X86;
2082 else if (!g_ascii_strcasecmp (value, "IA64"))
2083 arch = MONO_PROCESSOR_ARCHITECTURE_IA64;
2084 else if (!g_ascii_strcasecmp (value, "AMD64"))
2085 arch = MONO_PROCESSOR_ARCHITECTURE_AMD64;
2087 goto cleanup_and_fail;
2096 /* if retargetable flag is set, then we must have a fully qualified name */
2097 if (retargetable != NULL && (version == NULL || culture == NULL || (key == NULL && token == NULL))) {
2098 goto cleanup_and_fail;
2101 res = build_assembly_name (dllname, version, culture, token, key, flags, arch,
2102 aname, save_public_key);
2112 * mono_assembly_name_parse:
2113 * @name: name to parse
2114 * @aname: the destination assembly name
2116 * Parses an assembly qualified type name and assigns the name,
2117 * version, culture and token to the provided assembly name object.
2119 * Returns: true if the name could be parsed.
2122 mono_assembly_name_parse (const char *name, MonoAssemblyName *aname)
2124 return mono_assembly_name_parse_full (name, aname, FALSE, NULL, NULL);
2128 * mono_assembly_name_new:
2129 * @name: name to parse
2131 * Allocate a new MonoAssemblyName and fill its values from the
2134 * Returns: a newly allocated structure or NULL if there was any failure.
2137 mono_assembly_name_new (const char *name)
2139 MonoAssemblyName *aname = g_new0 (MonoAssemblyName, 1);
2140 if (mono_assembly_name_parse (name, aname))
2147 mono_assembly_name_get_name (MonoAssemblyName *aname)
2153 mono_assembly_name_get_culture (MonoAssemblyName *aname)
2155 return aname->culture;
2159 mono_assembly_name_get_pubkeytoken (MonoAssemblyName *aname)
2161 if (aname->public_key_token [0])
2162 return aname->public_key_token;
2167 mono_assembly_name_get_version (MonoAssemblyName *aname, uint16_t *minor, uint16_t *build, uint16_t *revision)
2170 *minor = aname->minor;
2172 *build = aname->build;
2174 *revision = aname->revision;
2175 return aname->major;
2178 static MonoAssembly*
2179 probe_for_partial_name (const char *basepath, const char *fullname, MonoAssemblyName *aname, MonoImageOpenStatus *status)
2181 gchar *fullpath = NULL;
2183 const char* direntry;
2184 MonoAssemblyName gac_aname;
2185 gint major=-1, minor=0, build=0, revision=0;
2186 gboolean exact_version;
2188 dirhandle = g_dir_open (basepath, 0, NULL);
2192 exact_version = (aname->major | aname->minor | aname->build | aname->revision) != 0;
2194 while ((direntry = g_dir_read_name (dirhandle))) {
2195 gboolean match = TRUE;
2197 if(!parse_assembly_directory_name (aname->name, direntry, &gac_aname))
2200 if (aname->culture != NULL && strcmp (aname->culture, gac_aname.culture) != 0)
2203 if (match && strlen ((char*)aname->public_key_token) > 0 &&
2204 !mono_public_tokens_are_equal (aname->public_key_token, gac_aname.public_key_token))
2208 if (exact_version) {
2209 match = (aname->major == gac_aname.major && aname->minor == gac_aname.minor &&
2210 aname->build == gac_aname.build && aname->revision == gac_aname.revision);
2212 else if (gac_aname.major < major)
2214 else if (gac_aname.major == major) {
2215 if (gac_aname.minor < minor)
2217 else if (gac_aname.minor == minor) {
2218 if (gac_aname.build < build)
2220 else if (gac_aname.build == build && gac_aname.revision <= revision)
2227 major = gac_aname.major;
2228 minor = gac_aname.minor;
2229 build = gac_aname.build;
2230 revision = gac_aname.revision;
2232 fullpath = g_build_path (G_DIR_SEPARATOR_S, basepath, direntry, fullname, NULL);
2235 mono_assembly_name_free (&gac_aname);
2238 g_dir_close (dirhandle);
2240 if (fullpath == NULL)
2243 MonoAssembly *res = mono_assembly_open (fullpath, status);
2250 mono_assembly_load_with_partial_name (const char *name, MonoImageOpenStatus *status)
2253 MonoAssemblyName *aname, base_name;
2254 MonoAssemblyName mapped_aname;
2255 gchar *fullname, *gacpath;
2258 memset (&base_name, 0, sizeof (MonoAssemblyName));
2261 if (!mono_assembly_name_parse (name, aname))
2265 * If no specific version has been requested, make sure we load the
2266 * correct version for system assemblies.
2268 if ((aname->major | aname->minor | aname->build | aname->revision) == 0)
2269 aname = mono_assembly_remap_version (aname, &mapped_aname);
2271 res = mono_assembly_loaded (aname);
2273 mono_assembly_name_free (aname);
2277 res = invoke_assembly_preload_hook (aname, assemblies_path);
2279 res->in_gac = FALSE;
2280 mono_assembly_name_free (aname);
2284 fullname = g_strdup_printf ("%s.dll", aname->name);
2286 if (extra_gac_paths) {
2287 paths = extra_gac_paths;
2288 while (!res && *paths) {
2289 gacpath = g_build_path (G_DIR_SEPARATOR_S, *paths, "lib", "mono", "gac", aname->name, NULL);
2290 res = probe_for_partial_name (gacpath, fullname, aname, status);
2299 mono_assembly_name_free (aname);
2303 gacpath = g_build_path (G_DIR_SEPARATOR_S, mono_assembly_getrootdir (), "mono", "gac", aname->name, NULL);
2304 res = probe_for_partial_name (gacpath, fullname, aname, status);
2310 MonoDomain *domain = mono_domain_get ();
2311 MonoReflectionAssembly *refasm = mono_try_assembly_resolve (domain, mono_string_new (domain, name), FALSE);
2313 res = refasm->assembly;
2317 mono_assembly_name_free (aname);
2323 mono_assembly_is_in_gac (const gchar *filename)
2325 const gchar *rootdir;
2329 if (filename == NULL)
2332 for (paths = extra_gac_paths; paths && *paths; paths++) {
2333 if (strstr (*paths, filename) != *paths)
2336 gp = (gchar *) (filename + strlen (*paths));
2337 if (*gp != G_DIR_SEPARATOR)
2340 if (strncmp (gp, "lib", 3))
2343 if (*gp != G_DIR_SEPARATOR)
2346 if (strncmp (gp, "mono", 4))
2349 if (*gp != G_DIR_SEPARATOR)
2352 if (strncmp (gp, "gac", 3))
2355 if (*gp != G_DIR_SEPARATOR)
2361 rootdir = mono_assembly_getrootdir ();
2362 if (strstr (filename, rootdir) != filename)
2365 gp = (gchar *) (filename + strlen (rootdir));
2366 if (*gp != G_DIR_SEPARATOR)
2369 if (strncmp (gp, "mono", 4))
2372 if (*gp != G_DIR_SEPARATOR)
2375 if (strncmp (gp, "gac", 3))
2378 if (*gp != G_DIR_SEPARATOR)
2384 mono_assembly_load_publisher_policy (MonoAssemblyName *aname)
2387 gchar *filename, *pname, *name, *culture, *version, *fullpath, *subpath;
2391 if (strstr (aname->name, ".dll")) {
2392 len = strlen (aname->name) - 4;
2393 name = g_malloc (len);
2394 strncpy (name, aname->name, len);
2396 name = g_strdup (aname->name);
2399 culture = g_utf8_strdown (aname->culture, -1);
2401 culture = g_strdup ("");
2403 pname = g_strdup_printf ("policy.%d.%d.%s", aname->major, aname->minor, name);
2404 version = g_strdup_printf ("0.0.0.0_%s_%s", culture, aname->public_key_token);
2408 filename = g_strconcat (pname, ".dll", NULL);
2409 subpath = g_build_path (G_DIR_SEPARATOR_S, pname, version, filename, NULL);
2415 if (extra_gac_paths) {
2416 paths = extra_gac_paths;
2417 while (!image && *paths) {
2418 fullpath = g_build_path (G_DIR_SEPARATOR_S, *paths,
2419 "lib", "mono", "gac", subpath, NULL);
2420 image = mono_image_open (fullpath, NULL);
2431 fullpath = g_build_path (G_DIR_SEPARATOR_S, mono_assembly_getrootdir (),
2432 "mono", "gac", subpath, NULL);
2433 image = mono_image_open (fullpath, NULL);
2440 static MonoAssemblyName*
2441 mono_assembly_bind_version (MonoAssemblyBindingInfo *info, MonoAssemblyName *aname, MonoAssemblyName *dest_name)
2443 memcpy (dest_name, aname, sizeof (MonoAssemblyName));
2444 dest_name->major = info->new_version.major;
2445 dest_name->minor = info->new_version.minor;
2446 dest_name->build = info->new_version.build;
2447 dest_name->revision = info->new_version.revision;
2452 /* LOCKING: Assumes that we are already locked */
2453 static MonoAssemblyBindingInfo*
2454 search_binding_loaded (MonoAssemblyName *aname)
2458 for (tmp = loaded_assembly_bindings; tmp; tmp = tmp->next) {
2459 MonoAssemblyBindingInfo *info = tmp->data;
2460 if (assembly_binding_maps_name (info, aname))
2467 static inline gboolean
2468 info_compare_versions (AssemblyVersionSet *left, AssemblyVersionSet *right)
2470 if (left->major != right->major || left->minor != right->minor ||
2471 left->build != right->build || left->revision != right->revision)
2477 static inline gboolean
2478 info_versions_equal (MonoAssemblyBindingInfo *left, MonoAssemblyBindingInfo *right)
2480 if (left->has_old_version_bottom != right->has_old_version_bottom)
2483 if (left->has_old_version_top != right->has_old_version_top)
2486 if (left->has_new_version != right->has_new_version)
2489 if (left->has_old_version_bottom && !info_compare_versions (&left->old_version_bottom, &right->old_version_bottom))
2492 if (left->has_old_version_top && !info_compare_versions (&left->old_version_top, &right->old_version_top))
2495 if (left->has_new_version && !info_compare_versions (&left->new_version, &right->new_version))
2501 /* LOCKING: assumes all the necessary locks are held */
2503 assembly_binding_info_parsed (MonoAssemblyBindingInfo *info, void *user_data)
2505 MonoAssemblyBindingInfo *info_copy;
2507 MonoAssemblyBindingInfo *info_tmp;
2508 MonoDomain *domain = (MonoDomain*)user_data;
2513 for (tmp = domain->assembly_bindings; tmp; tmp = tmp->next) {
2514 info_tmp = tmp->data;
2515 if (strcmp (info->name, info_tmp->name) == 0 && info_versions_equal (info, info_tmp))
2519 info_copy = mono_mempool_alloc0 (domain->mp, sizeof (MonoAssemblyBindingInfo));
2520 memcpy (info_copy, info, sizeof (MonoAssemblyBindingInfo));
2522 info_copy->name = mono_mempool_strdup (domain->mp, info->name);
2524 info_copy->culture = mono_mempool_strdup (domain->mp, info->culture);
2526 domain->assembly_bindings = g_slist_append_mempool (domain->mp, domain->assembly_bindings, info_copy);
2529 static inline gboolean
2530 info_major_minor_in_range (MonoAssemblyBindingInfo *info, MonoAssemblyName *aname)
2532 if (!info->has_old_version_bottom)
2535 if (info->old_version_bottom.major > aname->major || info->old_version_bottom.minor > aname->minor)
2538 if (info->has_old_version_top && (info->old_version_top.major < aname->major || info->old_version_top.minor < aname->minor))
2541 /* This is not the nicest way to do it, but it's a by-product of the way parsing is done */
2542 info->major = aname->major;
2543 info->minor = aname->minor;
2548 /* LOCKING: Assumes that we are already locked - both loader and domain locks */
2549 static MonoAssemblyBindingInfo*
2550 get_per_domain_assembly_binding_info (MonoDomain *domain, MonoAssemblyName *aname)
2552 MonoAssemblyBindingInfo *info;
2555 if (!domain->assembly_bindings)
2559 for (list = domain->assembly_bindings; list; list = list->next) {
2561 if (info && !strcmp (aname->name, info->name) && info_major_minor_in_range (info, aname))
2567 if (info->name && info->public_key_token [0] && info->has_old_version_bottom &&
2568 info->has_new_version && assembly_binding_maps_name (info, aname))
2569 info->is_valid = TRUE;
2571 info->is_valid = FALSE;
2577 static MonoAssemblyName*
2578 mono_assembly_apply_binding (MonoAssemblyName *aname, MonoAssemblyName *dest_name)
2580 MonoAssemblyBindingInfo *info, *info2;
2584 if (aname->public_key_token [0] == 0)
2587 domain = mono_domain_get ();
2588 mono_loader_lock ();
2589 info = search_binding_loaded (aname);
2591 mono_domain_lock (domain);
2592 info = get_per_domain_assembly_binding_info (domain, aname);
2593 mono_domain_unlock (domain);
2596 mono_loader_unlock ();
2598 if (!check_policy_versions (info, aname))
2601 mono_assembly_bind_version (info, aname, dest_name);
2605 if (domain && domain->setup && domain->setup->configuration_file) {
2606 mono_domain_lock (domain);
2607 if (!domain->assembly_bindings_parsed) {
2608 gchar *domain_config_file_name = mono_string_to_utf8 (domain->setup->configuration_file);
2609 gchar *domain_config_file_path = mono_portability_find_file (domain_config_file_name, TRUE);
2611 if (!domain_config_file_path)
2612 domain_config_file_path = domain_config_file_name;
2614 mono_config_parse_assembly_bindings (domain_config_file_path, aname->major, aname->minor, domain, assembly_binding_info_parsed);
2615 domain->assembly_bindings_parsed = TRUE;
2616 if (domain_config_file_name != domain_config_file_path)
2617 g_free (domain_config_file_name);
2618 g_free (domain_config_file_path);
2620 mono_domain_unlock (domain);
2622 mono_loader_lock ();
2623 mono_domain_lock (domain);
2624 info2 = get_per_domain_assembly_binding_info (domain, aname);
2627 info = g_memdup (info2, sizeof (MonoAssemblyBindingInfo));
2628 info->name = g_strdup (info2->name);
2629 info->culture = g_strdup (info2->culture);
2630 info->domain_id = domain->domain_id;
2633 mono_domain_unlock (domain);
2634 mono_loader_unlock ();
2638 info = g_new0 (MonoAssemblyBindingInfo, 1);
2639 info->major = aname->major;
2640 info->minor = aname->minor;
2643 if (!info->is_valid) {
2644 ppimage = mono_assembly_load_publisher_policy (aname);
2646 get_publisher_policy_info (ppimage, aname, info);
2647 mono_image_close (ppimage);
2651 /* Define default error value if needed */
2652 if (!info->is_valid) {
2653 info->name = g_strdup (aname->name);
2654 info->culture = g_strdup (aname->culture);
2655 g_strlcpy ((char *)info->public_key_token, (const char *)aname->public_key_token, MONO_PUBLIC_KEY_TOKEN_LENGTH);
2658 mono_loader_lock ();
2659 info2 = search_binding_loaded (aname);
2661 /* This binding was added by another thread
2663 mono_assembly_binding_info_free (info);
2668 loaded_assembly_bindings = g_slist_prepend (loaded_assembly_bindings, info);
2670 mono_loader_unlock ();
2672 if (!info->is_valid || !check_policy_versions (info, aname))
2675 mono_assembly_bind_version (info, aname, dest_name);
2680 * mono_assembly_load_from_gac
2682 * @aname: The assembly name object
2684 static MonoAssembly*
2685 mono_assembly_load_from_gac (MonoAssemblyName *aname, gchar *filename, MonoImageOpenStatus *status, MonoBoolean refonly)
2687 MonoAssembly *result = NULL;
2688 gchar *name, *version, *culture, *fullpath, *subpath;
2693 if (aname->public_key_token [0] == 0) {
2697 if (strstr (aname->name, ".dll")) {
2698 len = strlen (filename) - 4;
2699 name = g_malloc (len);
2700 strncpy (name, aname->name, len);
2702 name = g_strdup (aname->name);
2705 if (aname->culture) {
2706 culture = g_utf8_strdown (aname->culture, -1);
2708 culture = g_strdup ("");
2711 pubtok = g_ascii_strdown ((char*)aname->public_key_token, MONO_PUBLIC_KEY_TOKEN_LENGTH);
2712 version = g_strdup_printf ("%d.%d.%d.%d_%s_%s", aname->major,
2713 aname->minor, aname->build, aname->revision,
2717 subpath = g_build_path (G_DIR_SEPARATOR_S, name, version, filename, NULL);
2722 if (extra_gac_paths) {
2723 paths = extra_gac_paths;
2724 while (!result && *paths) {
2725 fullpath = g_build_path (G_DIR_SEPARATOR_S, *paths, "lib", "mono", "gac", subpath, NULL);
2726 result = mono_assembly_open_full (fullpath, status, refonly);
2733 result->in_gac = TRUE;
2738 fullpath = g_build_path (G_DIR_SEPARATOR_S, mono_assembly_getrootdir (),
2739 "mono", "gac", subpath, NULL);
2740 result = mono_assembly_open_full (fullpath, status, refonly);
2744 result->in_gac = TRUE;
2752 mono_assembly_load_corlib (const MonoRuntimeInfo *runtime, MonoImageOpenStatus *status)
2755 MonoAssemblyName *aname;
2758 /* g_print ("corlib already loaded\n"); */
2762 #if defined(__native_client__)
2763 if (corlibData != NULL && corlibSize != 0) {
2765 /* First "FALSE" instructs mono not to make a copy. */
2766 /* Second "FALSE" says this is not just a ref. */
2767 MonoImage* image = mono_image_open_from_data_full (corlibData, corlibSize, FALSE, &status, FALSE);
2768 if (image == NULL || status != 0)
2769 g_print("mono_image_open_from_data_full failed: %d\n", status);
2770 corlib = mono_assembly_load_from_full (image, "mscorlib", &status, FALSE);
2771 if (corlib == NULL || status != 0)
2772 g_print ("mono_assembly_load_from_full failed: %d\n", status);
2778 aname = mono_assembly_name_new ("mscorlib.dll");
2779 corlib = invoke_assembly_preload_hook (aname, assemblies_path);
2780 mono_assembly_name_free (aname);
2785 if (assemblies_path) {
2786 corlib = load_in_path ("mscorlib.dll", (const char**)assemblies_path, status, FALSE);
2791 /* Load corlib from mono/<version> */
2793 corlib_file = g_build_filename ("mono", runtime->framework_version, "mscorlib.dll", NULL);
2794 if (assemblies_path) {
2795 corlib = load_in_path (corlib_file, (const char**)assemblies_path, status, FALSE);
2797 g_free (corlib_file);
2801 corlib = load_in_path (corlib_file, default_path, status, FALSE);
2802 g_free (corlib_file);
2804 if (corlib && !strcmp (runtime->framework_version, "4.5"))
2805 default_path [1] = g_strdup_printf ("%s/mono/4.5/Facades", default_path [0]);
2811 mono_assembly_load_full_nosearch (MonoAssemblyName *aname,
2812 const char *basedir,
2813 MonoImageOpenStatus *status,
2816 MonoAssembly *result;
2817 char *fullpath, *filename;
2818 MonoAssemblyName maped_aname;
2819 MonoAssemblyName maped_name_pp;
2824 aname = mono_assembly_remap_version (aname, &maped_aname);
2826 /* Reflection only assemblies don't get assembly binding */
2828 aname = mono_assembly_apply_binding (aname, &maped_name_pp);
2830 result = mono_assembly_loaded_full (aname, refonly);
2834 result = refonly ? invoke_assembly_refonly_preload_hook (aname, assemblies_path) : invoke_assembly_preload_hook (aname, assemblies_path);
2836 result->in_gac = FALSE;
2840 /* Currently we retrieve the loaded corlib for reflection
2841 * only requests, like a common reflection only assembly
2843 if (strcmp (aname->name, "mscorlib") == 0 || strcmp (aname->name, "mscorlib.dll") == 0) {
2844 return mono_assembly_load_corlib (mono_get_runtime_info (), status);
2847 len = strlen (aname->name);
2848 for (ext_index = 0; ext_index < 2; ext_index ++) {
2849 ext = ext_index == 0 ? ".dll" : ".exe";
2850 if (len > 4 && (!strcmp (aname->name + len - 4, ".dll") || !strcmp (aname->name + len - 4, ".exe"))) {
2851 filename = g_strdup (aname->name);
2852 /* Don't try appending .dll/.exe if it already has one of those extensions */
2855 filename = g_strconcat (aname->name, ext, NULL);
2858 result = mono_assembly_load_from_gac (aname, filename, status, refonly);
2865 fullpath = g_build_filename (basedir, filename, NULL);
2866 result = mono_assembly_open_full (fullpath, status, refonly);
2869 result->in_gac = FALSE;
2875 result = load_in_path (filename, default_path, status, refonly);
2877 result->in_gac = FALSE;
2887 * mono_assembly_load_full:
2888 * @aname: A MonoAssemblyName with the assembly name to load.
2889 * @basedir: A directory to look up the assembly at.
2890 * @status: a pointer to a MonoImageOpenStatus to return the status of the load operation
2891 * @refonly: Whether this assembly is being opened in "reflection-only" mode.
2893 * Loads the assembly referenced by @aname, if the value of @basedir is not NULL, it
2894 * attempts to load the assembly from that directory before probing the standard locations.
2896 * If the assembly is being opened in reflection-only mode (@refonly set to TRUE) then no
2897 * assembly binding takes place.
2899 * Returns: the assembly referenced by @aname loaded or NULL on error. On error the
2900 * value pointed by status is updated with an error code.
2903 mono_assembly_load_full (MonoAssemblyName *aname, const char *basedir, MonoImageOpenStatus *status, gboolean refonly)
2905 MonoAssembly *result = mono_assembly_load_full_nosearch (aname, basedir, status, refonly);
2908 /* Try a postload search hook */
2909 result = mono_assembly_invoke_search_hook_internal (aname, refonly, TRUE);
2914 * mono_assembly_load:
2915 * @aname: A MonoAssemblyName with the assembly name to load.
2916 * @basedir: A directory to look up the assembly at.
2917 * @status: a pointer to a MonoImageOpenStatus to return the status of the load operation
2919 * Loads the assembly referenced by @aname, if the value of @basedir is not NULL, it
2920 * attempts to load the assembly from that directory before probing the standard locations.
2922 * Returns: the assembly referenced by @aname loaded or NULL on error. On error the
2923 * value pointed by status is updated with an error code.
2926 mono_assembly_load (MonoAssemblyName *aname, const char *basedir, MonoImageOpenStatus *status)
2928 return mono_assembly_load_full (aname, basedir, status, FALSE);
2932 mono_assembly_loaded_full (MonoAssemblyName *aname, gboolean refonly)
2935 MonoAssemblyName maped_aname;
2937 aname = mono_assembly_remap_version (aname, &maped_aname);
2939 res = mono_assembly_invoke_search_hook_internal (aname, refonly, FALSE);
2945 * mono_assembly_loaded:
2946 * @aname: an assembly to look for.
2948 * Returns: NULL If the given @aname assembly has not been loaded, or a pointer to
2949 * a MonoAssembly that matches the MonoAssemblyName specified.
2952 mono_assembly_loaded (MonoAssemblyName *aname)
2954 return mono_assembly_loaded_full (aname, FALSE);
2958 mono_assembly_release_gc_roots (MonoAssembly *assembly)
2960 if (assembly == NULL || assembly == REFERENCE_MISSING)
2963 if (assembly->dynamic) {
2965 MonoDynamicImage *dynimg = (MonoDynamicImage *)assembly->image;
2966 for (i = 0; i < dynimg->image.module_count; ++i)
2967 mono_dynamic_image_release_gc_roots ((MonoDynamicImage *)dynimg->image.modules [i]);
2968 mono_dynamic_image_release_gc_roots (dynimg);
2973 * Returns whether mono_assembly_close_finish() must be called as
2974 * well. See comment for mono_image_close_except_pools() for why we
2975 * unload in two steps.
2978 mono_assembly_close_except_image_pools (MonoAssembly *assembly)
2981 g_return_val_if_fail (assembly != NULL, FALSE);
2983 if (assembly == REFERENCE_MISSING)
2986 /* Might be 0 already */
2987 if (InterlockedDecrement (&assembly->ref_count) > 0)
2990 mono_profiler_assembly_event (assembly, MONO_PROFILE_START_UNLOAD);
2992 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_ASSEMBLY, "Unloading assembly %s [%p].", assembly->aname.name, assembly);
2994 mono_debug_close_image (assembly->image);
2996 mono_assemblies_lock ();
2997 loaded_assemblies = g_list_remove (loaded_assemblies, assembly);
2998 mono_assemblies_unlock ();
3000 assembly->image->assembly = NULL;
3002 if (!mono_image_close_except_pools (assembly->image))
3003 assembly->image = NULL;
3005 for (tmp = assembly->friend_assembly_names; tmp; tmp = tmp->next) {
3006 MonoAssemblyName *fname = tmp->data;
3007 mono_assembly_name_free (fname);
3010 g_slist_free (assembly->friend_assembly_names);
3011 g_free (assembly->basedir);
3013 mono_profiler_assembly_event (assembly, MONO_PROFILE_END_UNLOAD);
3019 mono_assembly_close_finish (MonoAssembly *assembly)
3021 g_assert (assembly && assembly != REFERENCE_MISSING);
3023 if (assembly->image)
3024 mono_image_close_finish (assembly->image);
3026 if (assembly->dynamic) {
3027 g_free ((char*)assembly->aname.culture);
3034 * mono_assembly_close:
3035 * @assembly: the assembly to release.
3037 * This method releases a reference to the @assembly. The assembly is
3038 * only released when all the outstanding references to it are released.
3041 mono_assembly_close (MonoAssembly *assembly)
3043 if (mono_assembly_close_except_image_pools (assembly))
3044 mono_assembly_close_finish (assembly);
3048 mono_assembly_load_module (MonoAssembly *assembly, guint32 idx)
3050 return mono_image_load_file_for_image (assembly->image, idx);
3054 mono_assembly_foreach (GFunc func, gpointer user_data)
3059 * We make a copy of the list to avoid calling the callback inside the
3060 * lock, which could lead to deadlocks.
3062 mono_assemblies_lock ();
3063 copy = g_list_copy (loaded_assemblies);
3064 mono_assemblies_unlock ();
3066 g_list_foreach (loaded_assemblies, func, user_data);
3072 * mono_assemblies_cleanup:
3074 * Free all resources used by this module.
3077 mono_assemblies_cleanup (void)
3081 DeleteCriticalSection (&assemblies_mutex);
3083 for (l = loaded_assembly_bindings; l; l = l->next) {
3084 MonoAssemblyBindingInfo *info = l->data;
3086 mono_assembly_binding_info_free (info);
3089 g_slist_free (loaded_assembly_bindings);
3091 free_assembly_load_hooks ();
3092 free_assembly_search_hooks ();
3093 free_assembly_preload_hooks ();
3096 /*LOCKING assumes loader lock is held*/
3098 mono_assembly_cleanup_domain_bindings (guint32 domain_id)
3100 GSList **iter = &loaded_assembly_bindings;
3104 MonoAssemblyBindingInfo *info = l->data;
3106 if (info->domain_id == domain_id) {
3108 mono_assembly_binding_info_free (info);
3118 * Holds the assembly of the application, for
3119 * System.Diagnostics.Process::MainModule
3121 static MonoAssembly *main_assembly=NULL;
3124 mono_assembly_set_main (MonoAssembly *assembly)
3126 main_assembly = assembly;
3130 * mono_assembly_get_main:
3132 * Returns: the assembly for the application, the first assembly that is loaded by the VM
3135 mono_assembly_get_main (void)
3137 return (main_assembly);
3141 * mono_assembly_get_image:
3142 * @assembly: The assembly to retrieve the image from
3144 * Returns: the MonoImage associated with this assembly.
3147 mono_assembly_get_image (MonoAssembly *assembly)
3149 return assembly->image;
3153 mono_register_bundled_assemblies (const MonoBundledAssembly **assemblies)
3155 bundles = assemblies;
3158 #define MONO_DECLSEC_FORMAT_10 0x3C
3159 #define MONO_DECLSEC_FORMAT_20 0x2E
3160 #define MONO_DECLSEC_FIELD 0x53
3161 #define MONO_DECLSEC_PROPERTY 0x54
3163 #define SKIP_VISIBILITY_XML_ATTRIBUTE ("\"SkipVerification\"")
3164 #define SKIP_VISIBILITY_ATTRIBUTE_NAME ("System.Security.Permissions.SecurityPermissionAttribute")
3165 #define SKIP_VISIBILITY_ATTRIBUTE_SIZE (sizeof (SKIP_VISIBILITY_ATTRIBUTE_NAME) - 1)
3166 #define SKIP_VISIBILITY_PROPERTY_NAME ("SkipVerification")
3167 #define SKIP_VISIBILITY_PROPERTY_SIZE (sizeof (SKIP_VISIBILITY_PROPERTY_NAME) - 1)
3170 mono_assembly_try_decode_skip_verification_param (const char *p, const char **resp, gboolean *abort_decoding)
3174 case MONO_DECLSEC_PROPERTY:
3176 case MONO_DECLSEC_FIELD:
3178 *abort_decoding = TRUE;
3183 if (*p++ != MONO_TYPE_BOOLEAN) {
3184 *abort_decoding = TRUE;
3188 /* property name length */
3189 len = mono_metadata_decode_value (p, &p);
3191 if (len >= SKIP_VISIBILITY_PROPERTY_SIZE && !memcmp (p, SKIP_VISIBILITY_PROPERTY_NAME, SKIP_VISIBILITY_PROPERTY_SIZE)) {
3202 mono_assembly_try_decode_skip_verification (const char *p, const char *endn)
3204 int i, j, num, len, params_len;
3206 if (*p == MONO_DECLSEC_FORMAT_10) {
3207 gsize read, written;
3208 char *res = g_convert (p, endn - p, "UTF-8", "UTF-16LE", &read, &written, NULL);
3210 gboolean found = strstr (res, SKIP_VISIBILITY_XML_ATTRIBUTE) != NULL;
3216 if (*p++ != MONO_DECLSEC_FORMAT_20)
3219 /* number of encoded permission attributes */
3220 num = mono_metadata_decode_value (p, &p);
3221 for (i = 0; i < num; ++i) {
3222 gboolean is_valid = FALSE;
3223 gboolean abort_decoding = FALSE;
3225 /* attribute name length */
3226 len = mono_metadata_decode_value (p, &p);
3228 /* We don't really need to fully decode the type. Comparing the name is enough */
3229 is_valid = len >= SKIP_VISIBILITY_ATTRIBUTE_SIZE && !memcmp (p, SKIP_VISIBILITY_ATTRIBUTE_NAME, SKIP_VISIBILITY_ATTRIBUTE_SIZE);
3233 /*size of the params table*/
3234 params_len = mono_metadata_decode_value (p, &p);
3236 const char *params_end = p + params_len;
3238 /* number of parameters */
3239 len = mono_metadata_decode_value (p, &p);
3241 for (j = 0; j < len; ++j) {
3242 if (mono_assembly_try_decode_skip_verification_param (p, &p, &abort_decoding))
3258 mono_assembly_has_skip_verification (MonoAssembly *assembly)
3261 guint32 cols [MONO_DECL_SECURITY_SIZE];
3265 if (MONO_SECMAN_FLAG_INIT (assembly->skipverification))
3266 return MONO_SECMAN_FLAG_GET_VALUE (assembly->skipverification);
3268 t = &assembly->image->tables [MONO_TABLE_DECLSECURITY];
3270 for (i = 0; i < t->rows; ++i) {
3271 mono_metadata_decode_row (t, i, cols, MONO_DECL_SECURITY_SIZE);
3272 if ((cols [MONO_DECL_SECURITY_PARENT] & MONO_HAS_DECL_SECURITY_MASK) != MONO_HAS_DECL_SECURITY_ASSEMBLY)
3274 if (cols [MONO_DECL_SECURITY_ACTION] != SECURITY_ACTION_REQMIN)
3277 blob = mono_metadata_blob_heap (assembly->image, cols [MONO_DECL_SECURITY_PERMISSIONSET]);
3278 len = mono_metadata_decode_blob_size (blob, &blob);
3282 if (mono_assembly_try_decode_skip_verification (blob, blob + len)) {
3283 MONO_SECMAN_FLAG_SET_VALUE (assembly->skipverification, TRUE);
3288 MONO_SECMAN_FLAG_SET_VALUE (assembly->skipverification, FALSE);