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/metadata/cil-coff.h>
37 #include <mono/utils/mono-io-portability.h>
38 #include <mono/utils/atomic.h>
39 #include <mono/utils/mono-mutex.h>
42 #include <sys/types.h>
47 #ifdef PLATFORM_MACOSX
48 #include <mach-o/dyld.h>
51 /* AssemblyVersionMap: an assembly name and the assembly version set on which it is based */
53 const char* assembly_name;
54 guint8 version_set_index;
57 /* the default search path is empty, the first slot is replaced with the computed value */
65 /* Contains the list of directories to be searched for assemblies (MONO_PATH) */
66 static char **assemblies_path = NULL;
68 /* Contains the list of directories that point to auxiliary GACs */
69 static char **extra_gac_paths = NULL;
71 #ifndef DISABLE_ASSEMBLY_REMAPPING
72 /* The list of system assemblies what will be remapped to the running
73 * runtime version. WARNING: this list must be sorted.
74 * The integer number is an index in the MonoRuntimeInfo structure, whose
75 * values can be found in domain.c - supported_runtimes. Look there
76 * to understand what remapping will be made.
78 static const AssemblyVersionMap framework_assemblies [] = {
80 {"Commons.Xml.Relaxng", 0},
87 {"Microsoft.VisualBasic", 1},
88 {"Microsoft.VisualC", 1},
90 {"Mono.CompilerServices.SymbolWriter", 0},
92 {"Mono.Data.SybaseClient", 0},
94 {"Mono.Data.TdsClient", 0},
95 {"Mono.GetOptions", 0},
99 {"Mono.Security.Win32", 0},
101 {"Novell.Directory.Ldap", 0},
105 {"System.ComponentModel.DataAnnotations", 2},
106 {"System.Configuration", 0},
107 {"System.Configuration.Install", 0},
110 {"System.Data.Linq", 2},
111 {"System.Data.OracleClient", 0},
112 {"System.Data.Services", 2},
113 {"System.Data.Services.Client", 2},
114 {"System.Data.SqlXml", 0},
115 {"System.Design", 0},
116 {"System.DirectoryServices", 0},
117 {"System.Drawing", 0},
118 {"System.Drawing.Design", 0},
119 {"System.EnterpriseServices", 0},
120 {"System.Management", 0},
121 {"System.Messaging", 0},
123 {"System.Runtime.Remoting", 0},
124 {"System.Runtime.Serialization", 3},
125 {"System.Runtime.Serialization.Formatters.Soap", 0},
126 {"System.Security", 0},
127 {"System.ServiceModel.Web", 2},
128 {"System.ServiceProcess", 0},
129 {"System.Transactions", 0},
131 {"System.Web.Abstractions", 2},
132 {"System.Web.DynamicData", 2},
133 {"System.Web.Extensions", 2},
134 {"System.Web.Mobile", 0},
135 {"System.Web.Routing", 2},
136 {"System.Web.Services", 0},
137 {"System.Windows.Forms", 0},
139 {"System.Xml.Linq", 2},
146 * keeps track of loaded assemblies
148 static GList *loaded_assemblies = NULL;
149 static MonoAssembly *corlib;
151 #if defined(__native_client__)
153 /* On Native Client, allow mscorlib to be loaded from memory */
154 /* instead of loaded off disk. If these are not set, default */
155 /* mscorlib loading will take place */
157 /* NOTE: If mscorlib data is passed to mono in this way then */
158 /* it needs to remain allocated during the use of mono. */
160 static void *corlibData = NULL;
161 static size_t corlibSize = 0;
164 mono_set_corlib_data (void *data, size_t size)
172 /* This protects loaded_assemblies and image->references */
173 #define mono_assemblies_lock() EnterCriticalSection (&assemblies_mutex)
174 #define mono_assemblies_unlock() LeaveCriticalSection (&assemblies_mutex)
175 static CRITICAL_SECTION assemblies_mutex;
177 /* If defined, points to the bundled assembly information */
178 const MonoBundledAssembly **bundles;
180 static mono_mutex_t assembly_binding_mutex;
182 /* Loaded assembly binding info */
183 static GSList *loaded_assembly_bindings = NULL;
186 mono_assembly_invoke_search_hook_internal (MonoAssemblyName *aname, gboolean refonly, gboolean postload);
188 mono_assembly_is_in_gac (const gchar *filanem);
191 encode_public_tok (const guchar *token, gint32 len)
193 const static gchar allowed [] = { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f' };
197 res = g_malloc (len * 2 + 1);
198 for (i = 0; i < len; i++) {
199 res [i * 2] = allowed [token [i] >> 4];
200 res [i * 2 + 1] = allowed [token [i] & 0xF];
207 * mono_public_tokens_are_equal:
208 * @pubt1: first public key token
209 * @pubt2: second public key token
211 * Compare two public key tokens and return #TRUE is they are equal and #FALSE
215 mono_public_tokens_are_equal (const unsigned char *pubt1, const unsigned char *pubt2)
217 return memcmp (pubt1, pubt2, 16) == 0;
221 * mono_set_assemblies_path:
222 * @path: list of paths that contain directories where Mono will look for assemblies
224 * Use this method to override the standard assembly lookup system and
225 * override any assemblies coming from the GAC. This is the method
226 * that supports the MONO_PATH variable.
228 * Notice that MONO_PATH and this method are really a very bad idea as
229 * it prevents the GAC from working and it prevents the standard
230 * resolution mechanisms from working. Nonetheless, for some debugging
231 * situations and bootstrapping setups, this is useful to have.
234 mono_set_assemblies_path (const char* path)
236 char **splitted, **dest;
238 splitted = g_strsplit (path, G_SEARCHPATH_SEPARATOR_S, 1000);
240 g_strfreev (assemblies_path);
241 assemblies_path = dest = splitted;
249 if (g_getenv ("MONO_DEBUG") == NULL)
252 splitted = assemblies_path;
254 if (**splitted && !g_file_test (*splitted, G_FILE_TEST_IS_DIR))
255 g_warning ("'%s' in MONO_PATH doesn't exist or has wrong permissions.", *splitted);
261 /* Native Client can't get this info from an environment variable so */
262 /* it's passed in to the runtime, or set manually by embedding code. */
263 #ifdef __native_client__
264 char* nacl_mono_path = NULL;
268 check_path_env (void)
271 path = g_getenv ("MONO_PATH");
272 #ifdef __native_client__
274 path = nacl_mono_path;
276 if (!path || assemblies_path != NULL)
279 mono_set_assemblies_path(path);
283 check_extra_gac_path_env (void) {
285 char **splitted, **dest;
287 path = g_getenv ("MONO_GAC_PREFIX");
291 splitted = g_strsplit (path, G_SEARCHPATH_SEPARATOR_S, 1000);
293 g_strfreev (extra_gac_paths);
294 extra_gac_paths = dest = splitted;
302 if (g_getenv ("MONO_DEBUG") == NULL)
306 if (**splitted && !g_file_test (*splitted, G_FILE_TEST_IS_DIR))
307 g_warning ("'%s' in MONO_GAC_PREFIX doesn't exist or has wrong permissions.", *splitted);
314 assembly_binding_maps_name (MonoAssemblyBindingInfo *info, MonoAssemblyName *aname)
316 if (!info || !info->name)
319 if (strcmp (info->name, aname->name))
322 if (info->major != aname->major || info->minor != aname->minor)
325 if ((info->culture != NULL && info->culture [0]) != (aname->culture != NULL && aname->culture [0]))
328 if (info->culture && aname->culture && strcmp (info->culture, aname->culture))
331 if (!mono_public_tokens_are_equal (info->public_key_token, aname->public_key_token))
338 mono_assembly_binding_info_free (MonoAssemblyBindingInfo *info)
344 g_free (info->culture);
348 get_publisher_policy_info (MonoImage *image, MonoAssemblyName *aname, MonoAssemblyBindingInfo *binding_info)
351 guint32 cols [MONO_MANIFEST_SIZE];
352 const gchar *filename;
353 gchar *subpath, *fullpath;
355 t = &image->tables [MONO_TABLE_MANIFESTRESOURCE];
356 /* MS Impl. accepts policy assemblies with more than
357 * one manifest resource, and only takes the first one */
359 binding_info->is_valid = FALSE;
363 mono_metadata_decode_row (t, 0, cols, MONO_MANIFEST_SIZE);
364 if ((cols [MONO_MANIFEST_IMPLEMENTATION] & MONO_IMPLEMENTATION_MASK) != MONO_IMPLEMENTATION_FILE) {
365 binding_info->is_valid = FALSE;
369 filename = mono_metadata_string_heap (image, cols [MONO_MANIFEST_NAME]);
370 g_assert (filename != NULL);
372 subpath = g_path_get_dirname (image->name);
373 fullpath = g_build_path (G_DIR_SEPARATOR_S, subpath, filename, NULL);
374 mono_config_parse_publisher_policy (fullpath, binding_info);
378 /* Define the optional elements/attributes before checking */
379 if (!binding_info->culture)
380 binding_info->culture = g_strdup ("");
382 /* Check that the most important elements/attributes exist */
383 if (!binding_info->name || !binding_info->public_key_token [0] || !binding_info->has_old_version_bottom ||
384 !binding_info->has_new_version || !assembly_binding_maps_name (binding_info, aname)) {
385 mono_assembly_binding_info_free (binding_info);
386 binding_info->is_valid = FALSE;
390 binding_info->is_valid = TRUE;
394 compare_versions (AssemblyVersionSet *v, MonoAssemblyName *aname)
396 if (v->major > aname->major)
398 else if (v->major < aname->major)
401 if (v->minor > aname->minor)
403 else if (v->minor < aname->minor)
406 if (v->build > aname->build)
408 else if (v->build < aname->build)
411 if (v->revision > aname->revision)
413 else if (v->revision < aname->revision)
420 check_policy_versions (MonoAssemblyBindingInfo *info, MonoAssemblyName *name)
425 /* If has_old_version_top doesn't exist, we don't have an interval */
426 if (!info->has_old_version_top) {
427 if (compare_versions (&info->old_version_bottom, name) == 0)
433 /* Check that the version defined by name is valid for the interval */
434 if (compare_versions (&info->old_version_top, name) < 0)
437 /* We should be greater or equal than the small version */
438 if (compare_versions (&info->old_version_bottom, name) > 0)
445 * mono_assembly_names_equal:
447 * @r: second assembly.
449 * Compares two MonoAssemblyNames and returns whether they are equal.
451 * This compares the names, the cultures, the release version and their
454 * Returns: TRUE if both assembly names are equal.
457 mono_assembly_names_equal (MonoAssemblyName *l, MonoAssemblyName *r)
459 if (!l->name || !r->name)
462 if (strcmp (l->name, r->name))
465 if (l->culture && r->culture && strcmp (l->culture, r->culture))
468 if (l->major != r->major || l->minor != r->minor ||
469 l->build != r->build || l->revision != r->revision)
470 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)))
473 if (!l->public_key_token [0] || !r->public_key_token [0])
476 if (!mono_public_tokens_are_equal (l->public_key_token, r->public_key_token))
482 static MonoAssembly *
483 load_in_path (const char *basename, const char** search_path, MonoImageOpenStatus *status, MonoBoolean refonly)
487 MonoAssembly *result;
489 for (i = 0; search_path [i]; ++i) {
490 fullpath = g_build_filename (search_path [i], basename, NULL);
491 result = mono_assembly_open_full (fullpath, status, refonly);
500 * mono_assembly_setrootdir:
501 * @root_dir: The pathname of the root directory where we will locate assemblies
503 * This routine sets the internal default root directory for looking up
506 * This is used by Windows installations to compute dynamically the
507 * place where the Mono assemblies are located.
511 mono_assembly_setrootdir (const char *root_dir)
514 * Override the MONO_ASSEMBLIES directory configured at compile time.
516 /* Leak if called more than once */
517 default_path [0] = g_strdup (root_dir);
521 * mono_assembly_getrootdir:
523 * Obtains the root directory used for looking up assemblies.
525 * Returns: a string with the directory, this string should not be freed.
527 G_CONST_RETURN gchar *
528 mono_assembly_getrootdir (void)
530 return default_path [0];
535 * @assembly_dir: the base directory for assemblies
536 * @config_dir: the base directory for configuration files
538 * This routine is used internally and by developers embedding
539 * the runtime into their own applications.
541 * There are a number of cases to consider: Mono as a system-installed
542 * package that is available on the location preconfigured or Mono in
543 * a relocated location.
545 * If you are using a system-installed Mono, you can pass NULL
546 * to both parameters. If you are not, you should compute both
547 * directory values and call this routine.
549 * The values for a given PREFIX are:
551 * assembly_dir: PREFIX/lib
552 * config_dir: PREFIX/etc
554 * Notice that embedders that use Mono in a relocated way must
555 * compute the location at runtime, as they will be in control
556 * of where Mono is installed.
559 mono_set_dirs (const char *assembly_dir, const char *config_dir)
561 #if defined (MONO_ASSEMBLIES)
562 if (assembly_dir == NULL)
563 assembly_dir = MONO_ASSEMBLIES;
565 #if defined (MONO_CFG_DIR)
566 if (config_dir == NULL)
567 config_dir = MONO_CFG_DIR;
569 mono_assembly_setrootdir (assembly_dir);
570 mono_set_config_dir (config_dir);
576 compute_base (char *path)
578 char *p = strrchr (path, '/');
582 /* Not a well known Mono executable, we are embedded, cant guess the base */
583 if (strcmp (p, "/mono") && strcmp (p, "/mono-sgen") && strcmp (p, "/pedump") && strcmp (p, "/monodis") && strcmp (p, "/mint") && strcmp (p, "/monodiet"))
587 p = strrchr (path, '/');
591 if (strcmp (p, "/bin") != 0)
600 mono_set_dirs (MONO_ASSEMBLIES, MONO_CFG_DIR);
603 static G_GNUC_UNUSED void
607 char *config, *lib, *mono;
611 * Only /usr prefix is treated specially
613 if (strncmp (exe, MONO_BINDIR, strlen (MONO_BINDIR)) == 0 || (base = compute_base (exe)) == NULL){
618 config = g_build_filename (base, "etc", NULL);
619 lib = g_build_filename (base, "lib", NULL);
620 mono = g_build_filename (lib, "mono/2.0", NULL);
621 if (stat (mono, &buf) == -1)
624 mono_set_dirs (lib, config);
632 #endif /* HOST_WIN32 */
637 * Registers the root directory for the Mono runtime, for Linux and Solaris 10,
638 * this auto-detects the prefix where Mono was installed.
641 mono_set_rootdir (void)
643 #if defined(HOST_WIN32) || (defined(PLATFORM_MACOSX) && !defined(TARGET_ARM))
644 gchar *bindir, *installdir, *root, *name, *resolvedname, *config;
647 name = mono_get_module_file_name ((HMODULE) &__ImageBase);
651 * _NSGetExecutablePath may return -1 to indicate buf is not large
652 * enough, but we ignore that case to avoid having to do extra dynamic
653 * allocation for the path and hope that 4096 is enough - this is
654 * ok in the Linux/Solaris case below at least...
658 guint buf_size = sizeof (buf);
661 if (_NSGetExecutablePath (buf, &buf_size) == 0)
662 name = g_strdup (buf);
671 resolvedname = mono_path_resolve_symlinks (name);
673 bindir = g_path_get_dirname (resolvedname);
674 installdir = g_path_get_dirname (bindir);
675 root = g_build_path (G_DIR_SEPARATOR_S, installdir, "lib", NULL);
677 config = g_build_filename (root, "..", "etc", NULL);
679 mono_set_dirs (root, config);
681 if (g_file_test (root, G_FILE_TEST_EXISTS) && g_file_test (config, G_FILE_TEST_EXISTS))
682 mono_set_dirs (root, config);
692 g_free (resolvedname);
693 #elif defined(DISABLE_MONO_AUTODETECTION)
701 s = readlink ("/proc/self/exe", buf, sizeof (buf)-1);
709 /* Solaris 10 style */
710 str = g_strdup_printf ("/proc/%d/path/a.out", getpid ());
711 s = readlink (str, buf, sizeof (buf)-1);
723 * mono_assemblies_init:
725 * Initialize global variables used by this module.
728 mono_assemblies_init (void)
731 * Initialize our internal paths if we have not been initialized yet.
732 * This happens when embedders use Mono.
734 if (mono_assembly_getrootdir () == NULL)
738 check_extra_gac_path_env ();
740 InitializeCriticalSection (&assemblies_mutex);
741 mono_mutex_init (&assembly_binding_mutex);
745 mono_assembly_binding_lock (void)
747 mono_locks_mutex_acquire (&assembly_binding_mutex, AssemblyBindingLock);
751 mono_assembly_binding_unlock (void)
753 mono_locks_mutex_release (&assembly_binding_mutex, AssemblyBindingLock);
757 mono_assembly_fill_assembly_name (MonoImage *image, MonoAssemblyName *aname)
759 MonoTableInfo *t = &image->tables [MONO_TABLE_ASSEMBLY];
760 guint32 cols [MONO_ASSEMBLY_SIZE];
766 mono_metadata_decode_row (t, 0, cols, MONO_ASSEMBLY_SIZE);
769 aname->hash_value = NULL;
770 aname->name = mono_metadata_string_heap (image, cols [MONO_ASSEMBLY_NAME]);
771 aname->culture = mono_metadata_string_heap (image, cols [MONO_ASSEMBLY_CULTURE]);
772 aname->flags = cols [MONO_ASSEMBLY_FLAGS];
773 aname->major = cols [MONO_ASSEMBLY_MAJOR_VERSION];
774 aname->minor = cols [MONO_ASSEMBLY_MINOR_VERSION];
775 aname->build = cols [MONO_ASSEMBLY_BUILD_NUMBER];
776 aname->revision = cols [MONO_ASSEMBLY_REV_NUMBER];
777 aname->hash_alg = cols [MONO_ASSEMBLY_HASH_ALG];
778 if (cols [MONO_ASSEMBLY_PUBLIC_KEY]) {
779 guchar* token = g_malloc (8);
784 pkey = mono_metadata_blob_heap (image, cols [MONO_ASSEMBLY_PUBLIC_KEY]);
785 len = mono_metadata_decode_blob_size (pkey, &pkey);
786 aname->public_key = (guchar*)pkey;
788 mono_digest_get_public_token (token, aname->public_key, len);
789 encoded = encode_public_tok (token, 8);
790 g_strlcpy ((char*)aname->public_key_token, encoded, MONO_PUBLIC_KEY_TOKEN_LENGTH);
796 aname->public_key = NULL;
797 memset (aname->public_key_token, 0, MONO_PUBLIC_KEY_TOKEN_LENGTH);
800 if (cols [MONO_ASSEMBLY_PUBLIC_KEY]) {
801 aname->public_key = (guchar*)mono_metadata_blob_heap (image, cols [MONO_ASSEMBLY_PUBLIC_KEY]);
804 aname->public_key = 0;
806 machine = ((MonoCLIImageInfo*)(image->image_info))->cli_header.coff.coff_machine;
808 case COFF_MACHINE_I386:
809 aname->arch = MONO_PROCESSOR_ARCHITECTURE_X86;
811 case COFF_MACHINE_IA64:
812 aname->arch = MONO_PROCESSOR_ARCHITECTURE_IA64;
814 case COFF_MACHINE_AMD64:
815 aname->arch = MONO_PROCESSOR_ARCHITECTURE_AMD64;
817 case COFF_MACHINE_ARM:
818 aname->arch = MONO_PROCESSOR_ARCHITECTURE_ARM;
828 * mono_stringify_assembly_name:
829 * @aname: the assembly name.
831 * Convert @aname into its string format. The returned string is dynamically
832 * allocated and should be freed by the caller.
834 * Returns: a newly allocated string with a string representation of
838 mono_stringify_assembly_name (MonoAssemblyName *aname)
840 const char *quote = (aname->name && g_ascii_isspace (aname->name [0])) ? "\"" : "";
842 return g_strdup_printf (
843 "%s%s%s, Version=%d.%d.%d.%d, Culture=%s, PublicKeyToken=%s%s",
844 quote, aname->name, quote,
845 aname->major, aname->minor, aname->build, aname->revision,
846 aname->culture && *aname->culture? aname->culture: "neutral",
847 aname->public_key_token [0] ? (char *)aname->public_key_token : "null",
848 (aname->flags & ASSEMBLYREF_RETARGETABLE_FLAG) ? ", Retargetable=Yes" : "");
852 assemblyref_public_tok (MonoImage *image, guint32 key_index, guint32 flags)
854 const gchar *public_tok;
857 public_tok = mono_metadata_blob_heap (image, key_index);
858 len = mono_metadata_decode_blob_size (public_tok, &public_tok);
860 if (flags & ASSEMBLYREF_FULL_PUBLIC_KEY_FLAG) {
862 mono_digest_get_public_token (token, (guchar*)public_tok, len);
863 return encode_public_tok (token, 8);
866 return encode_public_tok ((guchar*)public_tok, len);
870 * mono_assembly_addref:
871 * @assemnly: the assembly to reference
873 * This routine increments the reference count on a MonoAssembly.
874 * The reference count is reduced every time the method mono_assembly_close() is
878 mono_assembly_addref (MonoAssembly *assembly)
880 InterlockedIncrement (&assembly->ref_count);
884 * CAUTION: This table must be kept in sync with
885 * ivkm/reflect/Fusion.cs
888 #define SILVERLIGHT_KEY "7cec85d7bea7798e"
889 #define WINFX_KEY "31bf3856ad364e35"
890 #define ECMA_KEY "b77a5c561934e089"
891 #define MSFINAL_KEY "b03f5f7f11d50a3a"
899 static KeyRemapEntry key_remap_table[] = {
900 { "Microsoft.CSharp", WINFX_KEY, MSFINAL_KEY },
901 { "System", SILVERLIGHT_KEY, ECMA_KEY },
902 { "System.ComponentModel.Composition", WINFX_KEY, ECMA_KEY },
903 { "System.ComponentModel.DataAnnotations", "ddd0da4d3e678217", WINFX_KEY },
904 { "System.Core", SILVERLIGHT_KEY, ECMA_KEY },
905 // FIXME: MS uses MSFINAL_KEY for .NET 4.5
906 { "System.Net", SILVERLIGHT_KEY, MSFINAL_KEY },
907 { "System.Numerics", WINFX_KEY, ECMA_KEY },
908 { "System.Runtime.Serialization", SILVERLIGHT_KEY, ECMA_KEY },
909 { "System.ServiceModel", WINFX_KEY, ECMA_KEY },
910 { "System.ServiceModel.Web", SILVERLIGHT_KEY, WINFX_KEY },
911 { "System.Windows", SILVERLIGHT_KEY, MSFINAL_KEY },
912 { "System.Xml", SILVERLIGHT_KEY, ECMA_KEY },
913 { "System.Xml.Linq", WINFX_KEY, ECMA_KEY },
914 { "System.Xml.Serialization", WINFX_KEY, ECMA_KEY }
918 remap_keys (MonoAssemblyName *aname)
921 for (i = 0; i < G_N_ELEMENTS (key_remap_table); i++) {
922 const KeyRemapEntry *entry = &key_remap_table [i];
924 if (strcmp (aname->name, entry->name) ||
925 !mono_public_tokens_are_equal (aname->public_key_token, (const unsigned char*) entry->from))
928 memcpy (aname->public_key_token, entry->to, MONO_PUBLIC_KEY_TOKEN_LENGTH);
930 mono_trace (G_LOG_LEVEL_WARNING, MONO_TRACE_ASSEMBLY,
931 "Remapped public key token of retargetable assembly %s from %s to %s",
932 aname->name, entry->from, entry->to);
937 static MonoAssemblyName *
938 mono_assembly_remap_version (MonoAssemblyName *aname, MonoAssemblyName *dest_aname)
940 const MonoRuntimeInfo *current_runtime;
941 int pos, first, last;
943 if (aname->name == NULL) return aname;
945 current_runtime = mono_get_runtime_info ();
947 if (aname->flags & ASSEMBLYREF_RETARGETABLE_FLAG) {
948 const AssemblyVersionSet* vset;
950 /* Remap to current runtime */
951 vset = ¤t_runtime->version_sets [0];
953 memcpy (dest_aname, aname, sizeof(MonoAssemblyName));
954 dest_aname->major = vset->major;
955 dest_aname->minor = vset->minor;
956 dest_aname->build = vset->build;
957 dest_aname->revision = vset->revision;
958 dest_aname->flags &= ~ASSEMBLYREF_RETARGETABLE_FLAG;
960 /* Remap assembly name */
961 if (!strcmp (aname->name, "System.Net"))
962 dest_aname->name = g_strdup ("System");
964 remap_keys (dest_aname);
966 mono_trace (G_LOG_LEVEL_WARNING, MONO_TRACE_ASSEMBLY,
967 "The request to load the retargetable assembly %s v%d.%d.%d.%d was remapped to %s v%d.%d.%d.%d",
969 aname->major, aname->minor, aname->build, aname->revision,
971 vset->major, vset->minor, vset->build, vset->revision
977 #ifndef DISABLE_ASSEMBLY_REMAPPING
979 last = G_N_ELEMENTS (framework_assemblies) - 1;
981 while (first <= last) {
983 pos = first + (last - first) / 2;
984 res = strcmp (aname->name, framework_assemblies[pos].assembly_name);
986 const AssemblyVersionSet* vset;
987 int index = framework_assemblies[pos].version_set_index;
988 g_assert (index < G_N_ELEMENTS (current_runtime->version_sets));
989 vset = ¤t_runtime->version_sets [index];
991 if (aname->major == vset->major && aname->minor == vset->minor &&
992 aname->build == vset->build && aname->revision == vset->revision)
995 if ((aname->major | aname->minor | aname->build | aname->revision) != 0)
996 mono_trace (G_LOG_LEVEL_WARNING, MONO_TRACE_ASSEMBLY,
997 "The request to load the assembly %s v%d.%d.%d.%d was remapped to v%d.%d.%d.%d",
999 aname->major, aname->minor, aname->build, aname->revision,
1000 vset->major, vset->minor, vset->build, vset->revision
1003 memcpy (dest_aname, aname, sizeof(MonoAssemblyName));
1004 dest_aname->major = vset->major;
1005 dest_aname->minor = vset->minor;
1006 dest_aname->build = vset->build;
1007 dest_aname->revision = vset->revision;
1009 } else if (res < 0) {
1021 * mono_assembly_get_assemblyref:
1023 * Fill out ANAME with the assembly name of the INDEXth assembly reference in IMAGE.
1026 mono_assembly_get_assemblyref (MonoImage *image, int index, MonoAssemblyName *aname)
1029 guint32 cols [MONO_ASSEMBLYREF_SIZE];
1032 t = &image->tables [MONO_TABLE_ASSEMBLYREF];
1034 mono_metadata_decode_row (t, index, cols, MONO_ASSEMBLYREF_SIZE);
1036 hash = mono_metadata_blob_heap (image, cols [MONO_ASSEMBLYREF_HASH_VALUE]);
1037 aname->hash_len = mono_metadata_decode_blob_size (hash, &hash);
1038 aname->hash_value = hash;
1039 aname->name = mono_metadata_string_heap (image, cols [MONO_ASSEMBLYREF_NAME]);
1040 aname->culture = mono_metadata_string_heap (image, cols [MONO_ASSEMBLYREF_CULTURE]);
1041 aname->flags = cols [MONO_ASSEMBLYREF_FLAGS];
1042 aname->major = cols [MONO_ASSEMBLYREF_MAJOR_VERSION];
1043 aname->minor = cols [MONO_ASSEMBLYREF_MINOR_VERSION];
1044 aname->build = cols [MONO_ASSEMBLYREF_BUILD_NUMBER];
1045 aname->revision = cols [MONO_ASSEMBLYREF_REV_NUMBER];
1047 if (cols [MONO_ASSEMBLYREF_PUBLIC_KEY]) {
1048 gchar *token = assemblyref_public_tok (image, cols [MONO_ASSEMBLYREF_PUBLIC_KEY], aname->flags);
1049 g_strlcpy ((char*)aname->public_key_token, token, MONO_PUBLIC_KEY_TOKEN_LENGTH);
1052 memset (aname->public_key_token, 0, MONO_PUBLIC_KEY_TOKEN_LENGTH);
1057 mono_assembly_load_reference (MonoImage *image, int index)
1059 MonoAssembly *reference;
1060 MonoAssemblyName aname;
1061 MonoImageOpenStatus status;
1064 * image->references is shared between threads, so we need to access
1065 * it inside a critical section.
1067 mono_assemblies_lock ();
1068 if (!image->references) {
1069 MonoTableInfo *t = &image->tables [MONO_TABLE_ASSEMBLYREF];
1071 image->references = g_new0 (MonoAssembly *, t->rows + 1);
1072 image->nreferences = t->rows;
1074 reference = image->references [index];
1075 mono_assemblies_unlock ();
1079 mono_assembly_get_assemblyref (image, index, &aname);
1081 if (image->assembly && image->assembly->ref_only) {
1082 /* We use the loaded corlib */
1083 if (!strcmp (aname.name, "mscorlib"))
1084 reference = mono_assembly_load_full (&aname, image->assembly->basedir, &status, FALSE);
1086 reference = mono_assembly_loaded_full (&aname, TRUE);
1088 /* Try a postload search hook */
1089 reference = mono_assembly_invoke_search_hook_internal (&aname, TRUE, TRUE);
1093 * Here we must advice that the error was due to
1094 * a non loaded reference using the ReflectionOnly api
1097 reference = REFERENCE_MISSING;
1099 reference = mono_assembly_load (&aname, image->assembly? image->assembly->basedir: NULL, &status);
1101 if (reference == NULL){
1104 if (status == MONO_IMAGE_ERROR_ERRNO && errno == ENOENT) {
1105 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 : "" );
1106 } else if (status == MONO_IMAGE_ERROR_ERRNO) {
1107 extra_msg = g_strdup_printf ("System error: %s\n", strerror (errno));
1108 } else if (status == MONO_IMAGE_MISSING_ASSEMBLYREF) {
1109 extra_msg = g_strdup ("Cannot find an assembly referenced from this one.\n");
1110 } else if (status == MONO_IMAGE_IMAGE_INVALID) {
1111 extra_msg = g_strdup ("The file exists but is not a valid assembly.\n");
1113 extra_msg = g_strdup ("");
1116 mono_trace (G_LOG_LEVEL_WARNING, MONO_TRACE_ASSEMBLY, "The following assembly referenced from %s could not be loaded:\n"
1117 " Assembly: %s (assemblyref_index=%d)\n"
1118 " Version: %d.%d.%d.%d\n"
1119 " Public Key: %s\n%s",
1120 image->name, aname.name, index,
1121 aname.major, aname.minor, aname.build, aname.revision,
1122 strlen ((char*)aname.public_key_token) == 0 ? "(none)" : (char*)aname.public_key_token, extra_msg);
1126 mono_assemblies_lock ();
1127 if (reference == NULL) {
1128 /* Flag as not found */
1129 reference = REFERENCE_MISSING;
1132 if (!image->references [index]) {
1133 if (reference != REFERENCE_MISSING){
1134 mono_assembly_addref (reference);
1135 if (image->assembly)
1136 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_ASSEMBLY, "Assembly Ref addref %s[%p] -> %s[%p]: %d",
1137 image->assembly->aname.name, image->assembly, reference->aname.name, reference, reference->ref_count);
1139 if (image->assembly)
1140 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_ASSEMBLY, "Failed to load assembly %s[%p]\n",
1141 image->assembly->aname.name, image->assembly);
1144 image->references [index] = reference;
1146 mono_assemblies_unlock ();
1148 if (image->references [index] != reference) {
1149 /* Somebody loaded it before us */
1150 mono_assembly_close (reference);
1155 mono_assembly_load_references (MonoImage *image, MonoImageOpenStatus *status)
1157 /* This is a no-op now but it is part of the embedding API so we can't remove it */
1158 *status = MONO_IMAGE_OK;
1161 typedef struct AssemblyLoadHook AssemblyLoadHook;
1162 struct AssemblyLoadHook {
1163 AssemblyLoadHook *next;
1164 MonoAssemblyLoadFunc func;
1168 AssemblyLoadHook *assembly_load_hook = NULL;
1171 mono_assembly_invoke_load_hook (MonoAssembly *ass)
1173 AssemblyLoadHook *hook;
1175 for (hook = assembly_load_hook; hook; hook = hook->next) {
1176 hook->func (ass, hook->user_data);
1181 mono_install_assembly_load_hook (MonoAssemblyLoadFunc func, gpointer user_data)
1183 AssemblyLoadHook *hook;
1185 g_return_if_fail (func != NULL);
1187 hook = g_new0 (AssemblyLoadHook, 1);
1189 hook->user_data = user_data;
1190 hook->next = assembly_load_hook;
1191 assembly_load_hook = hook;
1195 free_assembly_load_hooks (void)
1197 AssemblyLoadHook *hook, *next;
1199 for (hook = assembly_load_hook; hook; hook = next) {
1205 typedef struct AssemblySearchHook AssemblySearchHook;
1206 struct AssemblySearchHook {
1207 AssemblySearchHook *next;
1208 MonoAssemblySearchFunc func;
1214 AssemblySearchHook *assembly_search_hook = NULL;
1216 static MonoAssembly*
1217 mono_assembly_invoke_search_hook_internal (MonoAssemblyName *aname, gboolean refonly, gboolean postload)
1219 AssemblySearchHook *hook;
1221 for (hook = assembly_search_hook; hook; hook = hook->next) {
1222 if ((hook->refonly == refonly) && (hook->postload == postload)) {
1223 MonoAssembly *ass = hook->func (aname, hook->user_data);
1233 mono_assembly_invoke_search_hook (MonoAssemblyName *aname)
1235 return mono_assembly_invoke_search_hook_internal (aname, FALSE, FALSE);
1239 mono_install_assembly_search_hook_internal (MonoAssemblySearchFunc func, gpointer user_data, gboolean refonly, gboolean postload)
1241 AssemblySearchHook *hook;
1243 g_return_if_fail (func != NULL);
1245 hook = g_new0 (AssemblySearchHook, 1);
1247 hook->user_data = user_data;
1248 hook->refonly = refonly;
1249 hook->postload = postload;
1250 hook->next = assembly_search_hook;
1251 assembly_search_hook = hook;
1255 mono_install_assembly_search_hook (MonoAssemblySearchFunc func, gpointer user_data)
1257 mono_install_assembly_search_hook_internal (func, user_data, FALSE, FALSE);
1261 free_assembly_search_hooks (void)
1263 AssemblySearchHook *hook, *next;
1265 for (hook = assembly_search_hook; hook; hook = next) {
1272 mono_install_assembly_refonly_search_hook (MonoAssemblySearchFunc func, gpointer user_data)
1274 mono_install_assembly_search_hook_internal (func, user_data, TRUE, FALSE);
1278 mono_install_assembly_postload_search_hook (MonoAssemblySearchFunc func, gpointer user_data)
1280 mono_install_assembly_search_hook_internal (func, user_data, FALSE, TRUE);
1284 mono_install_assembly_postload_refonly_search_hook (MonoAssemblySearchFunc func, gpointer user_data)
1286 mono_install_assembly_search_hook_internal (func, user_data, TRUE, TRUE);
1289 typedef struct AssemblyPreLoadHook AssemblyPreLoadHook;
1290 struct AssemblyPreLoadHook {
1291 AssemblyPreLoadHook *next;
1292 MonoAssemblyPreLoadFunc func;
1296 static AssemblyPreLoadHook *assembly_preload_hook = NULL;
1297 static AssemblyPreLoadHook *assembly_refonly_preload_hook = NULL;
1299 static MonoAssembly *
1300 invoke_assembly_preload_hook (MonoAssemblyName *aname, gchar **assemblies_path)
1302 AssemblyPreLoadHook *hook;
1303 MonoAssembly *assembly;
1305 for (hook = assembly_preload_hook; hook; hook = hook->next) {
1306 assembly = hook->func (aname, assemblies_path, hook->user_data);
1307 if (assembly != NULL)
1314 static MonoAssembly *
1315 invoke_assembly_refonly_preload_hook (MonoAssemblyName *aname, gchar **assemblies_path)
1317 AssemblyPreLoadHook *hook;
1318 MonoAssembly *assembly;
1320 for (hook = assembly_refonly_preload_hook; hook; hook = hook->next) {
1321 assembly = hook->func (aname, assemblies_path, hook->user_data);
1322 if (assembly != NULL)
1330 mono_install_assembly_preload_hook (MonoAssemblyPreLoadFunc func, gpointer user_data)
1332 AssemblyPreLoadHook *hook;
1334 g_return_if_fail (func != NULL);
1336 hook = g_new0 (AssemblyPreLoadHook, 1);
1338 hook->user_data = user_data;
1339 hook->next = assembly_preload_hook;
1340 assembly_preload_hook = hook;
1344 mono_install_assembly_refonly_preload_hook (MonoAssemblyPreLoadFunc func, gpointer user_data)
1346 AssemblyPreLoadHook *hook;
1348 g_return_if_fail (func != NULL);
1350 hook = g_new0 (AssemblyPreLoadHook, 1);
1352 hook->user_data = user_data;
1353 hook->next = assembly_refonly_preload_hook;
1354 assembly_refonly_preload_hook = hook;
1358 free_assembly_preload_hooks (void)
1360 AssemblyPreLoadHook *hook, *next;
1362 for (hook = assembly_preload_hook; hook; hook = next) {
1367 for (hook = assembly_refonly_preload_hook; hook; hook = next) {
1374 absolute_dir (const gchar *filename)
1385 if (g_path_is_absolute (filename)) {
1386 part = g_path_get_dirname (filename);
1387 res = g_strconcat (part, G_DIR_SEPARATOR_S, NULL);
1392 cwd = g_get_current_dir ();
1393 mixed = g_build_filename (cwd, filename, NULL);
1394 parts = g_strsplit (mixed, G_DIR_SEPARATOR_S, 0);
1399 for (i = 0; (part = parts [i]) != NULL; i++) {
1400 if (!strcmp (part, "."))
1403 if (!strcmp (part, "..")) {
1404 if (list && list->next) /* Don't remove root */
1405 list = g_list_delete_link (list, list);
1407 list = g_list_prepend (list, part);
1411 result = g_string_new ("");
1412 list = g_list_reverse (list);
1414 /* Ignores last data pointer, which should be the filename */
1415 for (tmp = list; tmp && tmp->next != NULL; tmp = tmp->next){
1417 g_string_append_printf (result, "%s%c", (char *) tmp->data,
1422 g_string_free (result, FALSE);
1427 return g_strdup (".");
1434 * mono_assembly_open_from_bundle:
1435 * @filename: Filename requested
1436 * @status: return value
1438 * This routine tries to open the assembly specified by `filename' from the
1439 * defined bundles, if found, returns the MonoImage for it, if not found
1443 mono_assembly_open_from_bundle (const char *filename, MonoImageOpenStatus *status, gboolean refonly)
1447 MonoImage *image = NULL;
1450 * we do a very simple search for bundled assemblies: it's not a general
1451 * purpose assembly loading mechanism.
1457 name = g_path_get_basename (filename);
1459 mono_assemblies_lock ();
1460 for (i = 0; !image && bundles [i]; ++i) {
1461 if (strcmp (bundles [i]->name, name) == 0) {
1462 image = mono_image_open_from_data_with_name ((char*)bundles [i]->data, bundles [i]->size, FALSE, status, refonly, name);
1466 mono_assemblies_unlock ();
1469 mono_image_addref (image);
1476 mono_assembly_open_full (const char *filename, MonoImageOpenStatus *status, gboolean refonly)
1480 MonoImageOpenStatus def_status;
1484 g_return_val_if_fail (filename != NULL, NULL);
1487 status = &def_status;
1488 *status = MONO_IMAGE_OK;
1490 if (strncmp (filename, "file://", 7) == 0) {
1491 GError *error = NULL;
1492 gchar *uri = (gchar *) filename;
1496 * MS allows file://c:/... and fails on file://localhost/c:/...
1497 * They also throw an IndexOutOfRangeException if "file://"
1500 uri = g_strdup_printf ("file:///%s", uri + 7);
1503 uri = mono_escape_uri_string (tmpuri);
1504 fname = g_filename_from_uri (uri, NULL, &error);
1507 if (tmpuri != filename)
1510 if (error != NULL) {
1511 g_warning ("%s\n", error->message);
1512 g_error_free (error);
1513 fname = g_strdup (filename);
1516 fname = g_strdup (filename);
1519 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_ASSEMBLY,
1520 "Assembly Loader probing location: '%s'.", fname);
1523 if (!mono_assembly_is_in_gac (fname))
1524 new_fname = mono_make_shadow_copy (fname);
1525 if (new_fname && new_fname != fname) {
1528 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_ASSEMBLY,
1529 "Assembly Loader shadow-copied assembly to: '%s'.", fname);
1534 if (bundles != NULL)
1535 image = mono_assembly_open_from_bundle (fname, status, refonly);
1538 image = mono_image_open_full (fname, status, refonly);
1541 if (*status == MONO_IMAGE_OK)
1542 *status = MONO_IMAGE_ERROR_ERRNO;
1547 if (image->assembly) {
1548 /* Already loaded by another appdomain */
1549 mono_assembly_invoke_load_hook (image->assembly);
1550 mono_image_close (image);
1552 return image->assembly;
1555 ass = mono_assembly_load_from_full (image, fname, status, refonly);
1558 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_ASSEMBLY,
1559 "Assembly Loader loaded assembly from location: '%s'.", filename);
1561 mono_config_for_assembly (ass->image);
1564 /* Clear the reference added by mono_image_open */
1565 mono_image_close (image);
1573 free_item (gpointer val, gpointer user_data)
1579 * mono_assembly_load_friends:
1582 * Load the list of friend assemblies that are allowed to access
1583 * the assembly's internal types and members. They are stored as assembly
1584 * names in custom attributes.
1586 * This is an internal method, we need this because when we load mscorlib
1587 * we do not have the mono_defaults.internals_visible_class loaded yet,
1588 * so we need to load these after we initialize the runtime.
1590 * LOCKING: Acquires the assemblies lock plus the loader lock.
1593 mono_assembly_load_friends (MonoAssembly* ass)
1596 MonoCustomAttrInfo* attrs;
1599 if (ass->friend_assembly_names_inited)
1602 attrs = mono_custom_attrs_from_assembly (ass);
1604 mono_assemblies_lock ();
1605 ass->friend_assembly_names_inited = TRUE;
1606 mono_assemblies_unlock ();
1610 mono_assemblies_lock ();
1611 if (ass->friend_assembly_names_inited) {
1612 mono_assemblies_unlock ();
1615 mono_assemblies_unlock ();
1619 * We build the list outside the assemblies lock, the worse that can happen
1620 * is that we'll need to free the allocated list.
1622 for (i = 0; i < attrs->num_attrs; ++i) {
1623 MonoCustomAttrEntry *attr = &attrs->attrs [i];
1624 MonoAssemblyName *aname;
1627 /* Do some sanity checking */
1628 if (!attr->ctor || attr->ctor->klass != mono_defaults.internals_visible_class)
1630 if (attr->data_size < 4)
1632 data = (const char*)attr->data;
1633 /* 0xFF means null string, see custom attr format */
1634 if (data [0] != 1 || data [1] != 0 || (data [2] & 0xFF) == 0xFF)
1636 slen = mono_metadata_decode_value (data + 2, &data);
1637 aname = g_new0 (MonoAssemblyName, 1);
1638 /*g_print ("friend ass: %s\n", data);*/
1639 if (mono_assembly_name_parse_full (data, aname, TRUE, NULL, NULL)) {
1640 list = g_slist_prepend (list, aname);
1645 mono_custom_attrs_free (attrs);
1647 mono_assemblies_lock ();
1648 if (ass->friend_assembly_names_inited) {
1649 mono_assemblies_unlock ();
1650 g_slist_foreach (list, free_item, NULL);
1651 g_slist_free (list);
1654 ass->friend_assembly_names = list;
1656 /* Because of the double checked locking pattern above */
1657 mono_memory_barrier ();
1658 ass->friend_assembly_names_inited = TRUE;
1659 mono_assemblies_unlock ();
1663 * mono_assembly_open:
1664 * @filename: Opens the assembly pointed out by this name
1665 * @status: where a status code can be returned
1667 * mono_assembly_open opens the PE-image pointed by @filename, and
1668 * loads any external assemblies referenced by it.
1670 * Return: a pointer to the MonoAssembly if @filename contains a valid
1671 * assembly or NULL on error. Details about the error are stored in the
1675 mono_assembly_open (const char *filename, MonoImageOpenStatus *status)
1677 return mono_assembly_open_full (filename, status, FALSE);
1681 mono_assembly_load_from_full (MonoImage *image, const char*fname,
1682 MonoImageOpenStatus *status, gboolean refonly)
1684 MonoAssembly *ass, *ass2;
1687 if (!image->tables [MONO_TABLE_ASSEMBLY].rows) {
1688 /* 'image' doesn't have a manifest -- maybe someone is trying to Assembly.Load a .netmodule */
1689 *status = MONO_IMAGE_IMAGE_INVALID;
1693 #if defined (HOST_WIN32)
1698 tmp_fn = g_strdup (fname);
1699 for (i = strlen (tmp_fn) - 1; i >= 0; i--) {
1700 if (tmp_fn [i] == '/')
1704 base_dir = absolute_dir (tmp_fn);
1708 base_dir = absolute_dir (fname);
1712 * Create assembly struct, and enter it into the assembly cache
1714 ass = g_new0 (MonoAssembly, 1);
1715 ass->basedir = base_dir;
1716 ass->ref_only = refonly;
1719 mono_profiler_assembly_event (ass, MONO_PROFILE_START_LOAD);
1721 mono_assembly_fill_assembly_name (image, &ass->aname);
1723 if (mono_defaults.corlib && strcmp (ass->aname.name, "mscorlib") == 0) {
1724 // MS.NET doesn't support loading other mscorlibs
1727 mono_image_addref (mono_defaults.corlib);
1728 *status = MONO_IMAGE_OK;
1729 return mono_defaults.corlib->assembly;
1732 /* Add a non-temporary reference because of ass->image */
1733 mono_image_addref (image);
1735 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);
1738 * The load hooks might take locks so we can't call them while holding the
1741 if (ass->aname.name) {
1742 ass2 = mono_assembly_invoke_search_hook_internal (&ass->aname, refonly, FALSE);
1746 mono_image_close (image);
1747 *status = MONO_IMAGE_OK;
1752 mono_assemblies_lock ();
1754 if (image->assembly) {
1756 * This means another thread has already loaded the assembly, but not yet
1757 * called the load hooks so the search hook can't find the assembly.
1759 mono_assemblies_unlock ();
1760 ass2 = image->assembly;
1763 mono_image_close (image);
1764 *status = MONO_IMAGE_OK;
1768 image->assembly = ass;
1770 loaded_assemblies = g_list_prepend (loaded_assemblies, ass);
1771 mono_assemblies_unlock ();
1774 if (image->is_module_handle)
1775 mono_image_fixup_vtable (image);
1778 mono_assembly_invoke_load_hook (ass);
1780 mono_profiler_assembly_loaded (ass, MONO_PROFILE_OK);
1786 mono_assembly_load_from (MonoImage *image, const char *fname,
1787 MonoImageOpenStatus *status)
1789 return mono_assembly_load_from_full (image, fname, status, FALSE);
1793 * mono_assembly_name_free:
1794 * @aname: assembly name to free
1796 * Frees the provided assembly name object.
1797 * (it does not frees the object itself, only the name members).
1800 mono_assembly_name_free (MonoAssemblyName *aname)
1805 g_free ((void *) aname->name);
1806 g_free ((void *) aname->culture);
1807 g_free ((void *) aname->hash_value);
1811 parse_public_key (const gchar *key, gchar** pubkey, gboolean *is_ecma)
1814 gchar header [16], val, *arr;
1815 gint i, j, offset, bitlen, keylen, pkeylen;
1817 keylen = strlen (key) >> 1;
1821 /* allow the ECMA standard key */
1822 if (strcmp (key, "00000000000000000400000000000000") == 0) {
1824 *pubkey = g_strdup (key);
1830 val = g_ascii_xdigit_value (key [0]) << 4;
1831 val |= g_ascii_xdigit_value (key [1]);
1836 val = g_ascii_xdigit_value (key [24]);
1837 val |= g_ascii_xdigit_value (key [25]);
1849 /* We need the first 16 bytes
1850 * to check whether this key is valid or not */
1851 pkeylen = strlen (pkey) >> 1;
1855 for (i = 0, j = 0; i < 16; i++) {
1856 header [i] = g_ascii_xdigit_value (pkey [j++]) << 4;
1857 header [i] |= g_ascii_xdigit_value (pkey [j++]);
1860 if (header [0] != 0x06 || /* PUBLICKEYBLOB (0x06) */
1861 header [1] != 0x02 || /* Version (0x02) */
1862 header [2] != 0x00 || /* Reserved (word) */
1863 header [3] != 0x00 ||
1864 (guint)(read32 (header + 8)) != 0x31415352) /* DWORD magic = RSA1 */
1867 /* Based on this length, we _should_ be able to know if the length is right */
1868 bitlen = read32 (header + 12) >> 3;
1869 if ((bitlen + 16 + 4) != pkeylen)
1872 /* parsing is OK and the public key itself is not requested back */
1876 /* Encode the size of the blob */
1878 if (keylen <= 127) {
1879 arr = g_malloc (keylen + 1);
1880 arr [offset++] = keylen;
1882 arr = g_malloc (keylen + 2);
1883 arr [offset++] = 0x80; /* 10bs */
1884 arr [offset++] = keylen;
1887 for (i = offset, j = 0; i < keylen + offset; i++) {
1888 arr [i] = g_ascii_xdigit_value (key [j++]) << 4;
1889 arr [i] |= g_ascii_xdigit_value (key [j++]);
1898 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)
1900 gint major, minor, build, revision;
1903 gchar *pkey, *pkeyptr, *encoded, tok [8];
1905 memset (aname, 0, sizeof (MonoAssemblyName));
1908 version_parts = sscanf (version, "%u.%u.%u.%u", &major, &minor, &build, &revision);
1909 if (version_parts < 2 || version_parts > 4)
1912 /* FIXME: we should set build & revision to -1 (instead of 0)
1913 if these are not set in the version string. That way, later on,
1914 we can still determine if these were specified. */
1915 aname->major = major;
1916 aname->minor = minor;
1917 if (version_parts >= 3)
1918 aname->build = build;
1921 if (version_parts == 4)
1922 aname->revision = revision;
1924 aname->revision = 0;
1927 aname->flags = flags;
1929 aname->name = g_strdup (name);
1932 if (g_ascii_strcasecmp (culture, "neutral") == 0)
1933 aname->culture = g_strdup ("");
1935 aname->culture = g_strdup (culture);
1938 if (token && strncmp (token, "null", 4) != 0) {
1941 /* the constant includes the ending NULL, hence the -1 */
1942 if (strlen (token) != (MONO_PUBLIC_KEY_TOKEN_LENGTH - 1)) {
1943 mono_assembly_name_free (aname);
1946 lower = g_ascii_strdown (token, MONO_PUBLIC_KEY_TOKEN_LENGTH);
1947 g_strlcpy ((char*)aname->public_key_token, lower, MONO_PUBLIC_KEY_TOKEN_LENGTH);
1953 if (strcmp (key, "null") == 0 || !parse_public_key (key, &pkey, &is_ecma)) {
1954 mono_assembly_name_free (aname);
1959 if (save_public_key)
1960 aname->public_key = (guint8*)pkey;
1963 g_strlcpy ((gchar*)aname->public_key_token, "b77a5c561934e089", MONO_PUBLIC_KEY_TOKEN_LENGTH);
1967 len = mono_metadata_decode_blob_size ((const gchar *) pkey, (const gchar **) &pkeyptr);
1968 // We also need to generate the key token
1969 mono_digest_get_public_token ((guchar*) tok, (guint8*) pkeyptr, len);
1970 encoded = encode_public_tok ((guchar*) tok, 8);
1971 g_strlcpy ((gchar*)aname->public_key_token, encoded, MONO_PUBLIC_KEY_TOKEN_LENGTH);
1974 if (save_public_key)
1975 aname->public_key = (guint8*) pkey;
1984 parse_assembly_directory_name (const char *name, const char *dirname, MonoAssemblyName *aname)
1989 parts = g_strsplit (dirname, "_", 3);
1990 if (!parts || !parts[0] || !parts[1] || !parts[2]) {
1995 res = build_assembly_name (name, parts[0], parts[1], parts[2], NULL, 0, 0, aname, FALSE);
2001 split_key_value (const gchar *pair, gchar **key, guint32 *keylen, gchar **value)
2003 char *eqsign = strchr (pair, '=');
2011 *key = (gchar*)pair;
2012 *keylen = eqsign - *key;
2013 while (*keylen > 0 && g_ascii_isspace ((*key) [*keylen - 1]))
2015 *value = g_strstrip (eqsign + 1);
2020 mono_assembly_name_parse_full (const char *name, MonoAssemblyName *aname, gboolean save_public_key, gboolean *is_version_defined, gboolean *is_token_defined)
2023 gchar *version = NULL;
2024 gchar *culture = NULL;
2025 gchar *token = NULL;
2027 gchar *retargetable = NULL;
2029 gchar *value, *part_name;
2030 guint32 part_name_len;
2033 gboolean version_defined;
2034 gboolean token_defined;
2036 guint32 arch = MONO_PROCESSOR_ARCHITECTURE_NONE;
2038 if (!is_version_defined)
2039 is_version_defined = &version_defined;
2040 *is_version_defined = FALSE;
2041 if (!is_token_defined)
2042 is_token_defined = &token_defined;
2043 *is_token_defined = FALSE;
2045 parts = tmp = g_strsplit (name, ",", 6);
2046 if (!tmp || !*tmp) {
2051 dllname = g_strstrip (*tmp);
2056 if (!split_key_value (g_strstrip (*tmp), &part_name, &part_name_len, &value))
2057 goto cleanup_and_fail;
2059 if (part_name_len == 7 && !g_ascii_strncasecmp (part_name, "Version", part_name_len)) {
2060 *is_version_defined = TRUE;
2062 if (strlen (version) == 0) {
2063 goto cleanup_and_fail;
2069 if (part_name_len == 7 && !g_ascii_strncasecmp (part_name, "Culture", part_name_len)) {
2071 if (strlen (culture) == 0) {
2072 goto cleanup_and_fail;
2078 if (part_name_len == 14 && !g_ascii_strncasecmp (part_name, "PublicKeyToken", part_name_len)) {
2079 *is_token_defined = TRUE;
2081 if (strlen (token) == 0) {
2082 goto cleanup_and_fail;
2088 if (part_name_len == 9 && !g_ascii_strncasecmp (part_name, "PublicKey", part_name_len)) {
2090 if (strlen (key) == 0) {
2091 goto cleanup_and_fail;
2097 if (part_name_len == 12 && !g_ascii_strncasecmp (part_name, "Retargetable", part_name_len)) {
2098 retargetable = value;
2099 if (strlen (retargetable) == 0) {
2100 goto cleanup_and_fail;
2102 if (!g_ascii_strcasecmp (retargetable, "yes")) {
2103 flags |= ASSEMBLYREF_RETARGETABLE_FLAG;
2104 } else if (g_ascii_strcasecmp (retargetable, "no")) {
2105 goto cleanup_and_fail;
2111 if (part_name_len == 21 && !g_ascii_strncasecmp (part_name, "ProcessorArchitecture", part_name_len)) {
2112 if (!g_ascii_strcasecmp (value, "None"))
2113 arch = MONO_PROCESSOR_ARCHITECTURE_NONE;
2114 else if (!g_ascii_strcasecmp (value, "MSIL"))
2115 arch = MONO_PROCESSOR_ARCHITECTURE_MSIL;
2116 else if (!g_ascii_strcasecmp (value, "X86"))
2117 arch = MONO_PROCESSOR_ARCHITECTURE_X86;
2118 else if (!g_ascii_strcasecmp (value, "IA64"))
2119 arch = MONO_PROCESSOR_ARCHITECTURE_IA64;
2120 else if (!g_ascii_strcasecmp (value, "AMD64"))
2121 arch = MONO_PROCESSOR_ARCHITECTURE_AMD64;
2123 goto cleanup_and_fail;
2132 /* if retargetable flag is set, then we must have a fully qualified name */
2133 if (retargetable != NULL && (version == NULL || culture == NULL || (key == NULL && token == NULL))) {
2134 goto cleanup_and_fail;
2137 res = build_assembly_name (dllname, version, culture, token, key, flags, arch,
2138 aname, save_public_key);
2148 * mono_assembly_name_parse:
2149 * @name: name to parse
2150 * @aname: the destination assembly name
2152 * Parses an assembly qualified type name and assigns the name,
2153 * version, culture and token to the provided assembly name object.
2155 * Returns: true if the name could be parsed.
2158 mono_assembly_name_parse (const char *name, MonoAssemblyName *aname)
2160 return mono_assembly_name_parse_full (name, aname, FALSE, NULL, NULL);
2164 * mono_assembly_name_new:
2165 * @name: name to parse
2167 * Allocate a new MonoAssemblyName and fill its values from the
2170 * Returns: a newly allocated structure or NULL if there was any failure.
2173 mono_assembly_name_new (const char *name)
2175 MonoAssemblyName *aname = g_new0 (MonoAssemblyName, 1);
2176 if (mono_assembly_name_parse (name, aname))
2183 mono_assembly_name_get_name (MonoAssemblyName *aname)
2189 mono_assembly_name_get_culture (MonoAssemblyName *aname)
2191 return aname->culture;
2195 mono_assembly_name_get_pubkeytoken (MonoAssemblyName *aname)
2197 if (aname->public_key_token [0])
2198 return aname->public_key_token;
2203 mono_assembly_name_get_version (MonoAssemblyName *aname, uint16_t *minor, uint16_t *build, uint16_t *revision)
2206 *minor = aname->minor;
2208 *build = aname->build;
2210 *revision = aname->revision;
2211 return aname->major;
2214 static MonoAssembly*
2215 probe_for_partial_name (const char *basepath, const char *fullname, MonoAssemblyName *aname, MonoImageOpenStatus *status)
2217 gchar *fullpath = NULL;
2219 const char* direntry;
2220 MonoAssemblyName gac_aname;
2221 gint major=-1, minor=0, build=0, revision=0;
2222 gboolean exact_version;
2224 dirhandle = g_dir_open (basepath, 0, NULL);
2228 exact_version = (aname->major | aname->minor | aname->build | aname->revision) != 0;
2230 while ((direntry = g_dir_read_name (dirhandle))) {
2231 gboolean match = TRUE;
2233 if(!parse_assembly_directory_name (aname->name, direntry, &gac_aname))
2236 if (aname->culture != NULL && strcmp (aname->culture, gac_aname.culture) != 0)
2239 if (match && strlen ((char*)aname->public_key_token) > 0 &&
2240 !mono_public_tokens_are_equal (aname->public_key_token, gac_aname.public_key_token))
2244 if (exact_version) {
2245 match = (aname->major == gac_aname.major && aname->minor == gac_aname.minor &&
2246 aname->build == gac_aname.build && aname->revision == gac_aname.revision);
2248 else if (gac_aname.major < major)
2250 else if (gac_aname.major == major) {
2251 if (gac_aname.minor < minor)
2253 else if (gac_aname.minor == minor) {
2254 if (gac_aname.build < build)
2256 else if (gac_aname.build == build && gac_aname.revision <= revision)
2263 major = gac_aname.major;
2264 minor = gac_aname.minor;
2265 build = gac_aname.build;
2266 revision = gac_aname.revision;
2268 fullpath = g_build_path (G_DIR_SEPARATOR_S, basepath, direntry, fullname, NULL);
2271 mono_assembly_name_free (&gac_aname);
2274 g_dir_close (dirhandle);
2276 if (fullpath == NULL)
2279 MonoAssembly *res = mono_assembly_open (fullpath, status);
2286 mono_assembly_load_with_partial_name (const char *name, MonoImageOpenStatus *status)
2289 MonoAssemblyName *aname, base_name;
2290 MonoAssemblyName mapped_aname;
2291 gchar *fullname, *gacpath;
2294 memset (&base_name, 0, sizeof (MonoAssemblyName));
2297 if (!mono_assembly_name_parse (name, aname))
2301 * If no specific version has been requested, make sure we load the
2302 * correct version for system assemblies.
2304 if ((aname->major | aname->minor | aname->build | aname->revision) == 0)
2305 aname = mono_assembly_remap_version (aname, &mapped_aname);
2307 res = mono_assembly_loaded (aname);
2309 mono_assembly_name_free (aname);
2313 res = invoke_assembly_preload_hook (aname, assemblies_path);
2315 res->in_gac = FALSE;
2316 mono_assembly_name_free (aname);
2320 fullname = g_strdup_printf ("%s.dll", aname->name);
2322 if (extra_gac_paths) {
2323 paths = extra_gac_paths;
2324 while (!res && *paths) {
2325 gacpath = g_build_path (G_DIR_SEPARATOR_S, *paths, "lib", "mono", "gac", aname->name, NULL);
2326 res = probe_for_partial_name (gacpath, fullname, aname, status);
2335 mono_assembly_name_free (aname);
2339 gacpath = g_build_path (G_DIR_SEPARATOR_S, mono_assembly_getrootdir (), "mono", "gac", aname->name, NULL);
2340 res = probe_for_partial_name (gacpath, fullname, aname, status);
2346 MonoDomain *domain = mono_domain_get ();
2347 MonoReflectionAssembly *refasm = mono_try_assembly_resolve (domain, mono_string_new (domain, name), FALSE);
2349 res = refasm->assembly;
2353 mono_assembly_name_free (aname);
2359 mono_assembly_is_in_gac (const gchar *filename)
2361 const gchar *rootdir;
2365 if (filename == NULL)
2368 for (paths = extra_gac_paths; paths && *paths; paths++) {
2369 if (strstr (*paths, filename) != *paths)
2372 gp = (gchar *) (filename + strlen (*paths));
2373 if (*gp != G_DIR_SEPARATOR)
2376 if (strncmp (gp, "lib", 3))
2379 if (*gp != G_DIR_SEPARATOR)
2382 if (strncmp (gp, "mono", 4))
2385 if (*gp != G_DIR_SEPARATOR)
2388 if (strncmp (gp, "gac", 3))
2391 if (*gp != G_DIR_SEPARATOR)
2397 rootdir = mono_assembly_getrootdir ();
2398 if (strstr (filename, rootdir) != filename)
2401 gp = (gchar *) (filename + strlen (rootdir));
2402 if (*gp != G_DIR_SEPARATOR)
2405 if (strncmp (gp, "mono", 4))
2408 if (*gp != G_DIR_SEPARATOR)
2411 if (strncmp (gp, "gac", 3))
2414 if (*gp != G_DIR_SEPARATOR)
2420 mono_assembly_load_publisher_policy (MonoAssemblyName *aname)
2423 gchar *filename, *pname, *name, *culture, *version, *fullpath, *subpath;
2427 if (strstr (aname->name, ".dll")) {
2428 len = strlen (aname->name) - 4;
2429 name = g_malloc (len);
2430 strncpy (name, aname->name, len);
2432 name = g_strdup (aname->name);
2435 culture = g_utf8_strdown (aname->culture, -1);
2437 culture = g_strdup ("");
2439 pname = g_strdup_printf ("policy.%d.%d.%s", aname->major, aname->minor, name);
2440 version = g_strdup_printf ("0.0.0.0_%s_%s", culture, aname->public_key_token);
2444 filename = g_strconcat (pname, ".dll", NULL);
2445 subpath = g_build_path (G_DIR_SEPARATOR_S, pname, version, filename, NULL);
2451 if (extra_gac_paths) {
2452 paths = extra_gac_paths;
2453 while (!image && *paths) {
2454 fullpath = g_build_path (G_DIR_SEPARATOR_S, *paths,
2455 "lib", "mono", "gac", subpath, NULL);
2456 image = mono_image_open (fullpath, NULL);
2467 fullpath = g_build_path (G_DIR_SEPARATOR_S, mono_assembly_getrootdir (),
2468 "mono", "gac", subpath, NULL);
2469 image = mono_image_open (fullpath, NULL);
2476 static MonoAssemblyName*
2477 mono_assembly_bind_version (MonoAssemblyBindingInfo *info, MonoAssemblyName *aname, MonoAssemblyName *dest_name)
2479 memcpy (dest_name, aname, sizeof (MonoAssemblyName));
2480 dest_name->major = info->new_version.major;
2481 dest_name->minor = info->new_version.minor;
2482 dest_name->build = info->new_version.build;
2483 dest_name->revision = info->new_version.revision;
2488 /* LOCKING: assembly_binding lock must be held */
2489 static MonoAssemblyBindingInfo*
2490 search_binding_loaded (MonoAssemblyName *aname)
2494 for (tmp = loaded_assembly_bindings; tmp; tmp = tmp->next) {
2495 MonoAssemblyBindingInfo *info = tmp->data;
2496 if (assembly_binding_maps_name (info, aname))
2503 static inline gboolean
2504 info_compare_versions (AssemblyVersionSet *left, AssemblyVersionSet *right)
2506 if (left->major != right->major || left->minor != right->minor ||
2507 left->build != right->build || left->revision != right->revision)
2513 static inline gboolean
2514 info_versions_equal (MonoAssemblyBindingInfo *left, MonoAssemblyBindingInfo *right)
2516 if (left->has_old_version_bottom != right->has_old_version_bottom)
2519 if (left->has_old_version_top != right->has_old_version_top)
2522 if (left->has_new_version != right->has_new_version)
2525 if (left->has_old_version_bottom && !info_compare_versions (&left->old_version_bottom, &right->old_version_bottom))
2528 if (left->has_old_version_top && !info_compare_versions (&left->old_version_top, &right->old_version_top))
2531 if (left->has_new_version && !info_compare_versions (&left->new_version, &right->new_version))
2537 /* LOCKING: assumes all the necessary locks are held */
2539 assembly_binding_info_parsed (MonoAssemblyBindingInfo *info, void *user_data)
2541 MonoAssemblyBindingInfo *info_copy;
2543 MonoAssemblyBindingInfo *info_tmp;
2544 MonoDomain *domain = (MonoDomain*)user_data;
2549 for (tmp = domain->assembly_bindings; tmp; tmp = tmp->next) {
2550 info_tmp = tmp->data;
2551 if (strcmp (info->name, info_tmp->name) == 0 && info_versions_equal (info, info_tmp))
2555 info_copy = mono_mempool_alloc0 (domain->mp, sizeof (MonoAssemblyBindingInfo));
2556 memcpy (info_copy, info, sizeof (MonoAssemblyBindingInfo));
2558 info_copy->name = mono_mempool_strdup (domain->mp, info->name);
2560 info_copy->culture = mono_mempool_strdup (domain->mp, info->culture);
2562 domain->assembly_bindings = g_slist_append_mempool (domain->mp, domain->assembly_bindings, info_copy);
2565 static inline gboolean
2566 info_major_minor_in_range (MonoAssemblyBindingInfo *info, MonoAssemblyName *aname)
2568 if (!info->has_old_version_bottom)
2571 if (info->old_version_bottom.major > aname->major || info->old_version_bottom.minor > aname->minor)
2574 if (info->has_old_version_top && (info->old_version_top.major < aname->major || info->old_version_top.minor < aname->minor))
2577 /* This is not the nicest way to do it, but it's a by-product of the way parsing is done */
2578 info->major = aname->major;
2579 info->minor = aname->minor;
2584 /* LOCKING: Assumes that we are already locked - both loader and domain locks */
2585 static MonoAssemblyBindingInfo*
2586 get_per_domain_assembly_binding_info (MonoDomain *domain, MonoAssemblyName *aname)
2588 MonoAssemblyBindingInfo *info;
2591 if (!domain->assembly_bindings)
2595 for (list = domain->assembly_bindings; list; list = list->next) {
2597 if (info && !strcmp (aname->name, info->name) && info_major_minor_in_range (info, aname))
2603 if (info->name && info->public_key_token [0] && info->has_old_version_bottom &&
2604 info->has_new_version && assembly_binding_maps_name (info, aname))
2605 info->is_valid = TRUE;
2607 info->is_valid = FALSE;
2613 static MonoAssemblyName*
2614 mono_assembly_apply_binding (MonoAssemblyName *aname, MonoAssemblyName *dest_name)
2616 MonoAssemblyBindingInfo *info, *info2;
2620 if (aname->public_key_token [0] == 0)
2623 domain = mono_domain_get ();
2625 mono_assembly_binding_lock ();
2626 info = search_binding_loaded (aname);
2627 mono_assembly_binding_unlock ();
2630 mono_domain_lock (domain);
2631 info = get_per_domain_assembly_binding_info (domain, aname);
2632 mono_domain_unlock (domain);
2636 if (!check_policy_versions (info, aname))
2639 mono_assembly_bind_version (info, aname, dest_name);
2643 if (domain && domain->setup && domain->setup->configuration_file) {
2644 mono_domain_lock (domain);
2645 if (!domain->assembly_bindings_parsed) {
2646 gchar *domain_config_file_name = mono_string_to_utf8 (domain->setup->configuration_file);
2647 gchar *domain_config_file_path = mono_portability_find_file (domain_config_file_name, TRUE);
2649 if (!domain_config_file_path)
2650 domain_config_file_path = domain_config_file_name;
2652 mono_config_parse_assembly_bindings (domain_config_file_path, aname->major, aname->minor, domain, assembly_binding_info_parsed);
2653 domain->assembly_bindings_parsed = TRUE;
2654 if (domain_config_file_name != domain_config_file_path)
2655 g_free (domain_config_file_name);
2656 g_free (domain_config_file_path);
2659 info2 = get_per_domain_assembly_binding_info (domain, aname);
2662 info = g_memdup (info2, sizeof (MonoAssemblyBindingInfo));
2663 info->name = g_strdup (info2->name);
2664 info->culture = g_strdup (info2->culture);
2665 info->domain_id = domain->domain_id;
2668 mono_domain_unlock (domain);
2672 info = g_new0 (MonoAssemblyBindingInfo, 1);
2673 info->major = aname->major;
2674 info->minor = aname->minor;
2677 if (!info->is_valid) {
2678 ppimage = mono_assembly_load_publisher_policy (aname);
2680 get_publisher_policy_info (ppimage, aname, info);
2681 mono_image_close (ppimage);
2685 /* Define default error value if needed */
2686 if (!info->is_valid) {
2687 info->name = g_strdup (aname->name);
2688 info->culture = g_strdup (aname->culture);
2689 g_strlcpy ((char *)info->public_key_token, (const char *)aname->public_key_token, MONO_PUBLIC_KEY_TOKEN_LENGTH);
2692 mono_assembly_binding_lock ();
2693 info2 = search_binding_loaded (aname);
2695 /* This binding was added by another thread
2697 mono_assembly_binding_info_free (info);
2702 loaded_assembly_bindings = g_slist_prepend (loaded_assembly_bindings, info);
2704 mono_assembly_binding_unlock ();
2706 if (!info->is_valid || !check_policy_versions (info, aname))
2709 mono_assembly_bind_version (info, aname, dest_name);
2714 * mono_assembly_load_from_gac
2716 * @aname: The assembly name object
2718 static MonoAssembly*
2719 mono_assembly_load_from_gac (MonoAssemblyName *aname, gchar *filename, MonoImageOpenStatus *status, MonoBoolean refonly)
2721 MonoAssembly *result = NULL;
2722 gchar *name, *version, *culture, *fullpath, *subpath;
2727 if (aname->public_key_token [0] == 0) {
2731 if (strstr (aname->name, ".dll")) {
2732 len = strlen (filename) - 4;
2733 name = g_malloc (len);
2734 strncpy (name, aname->name, len);
2736 name = g_strdup (aname->name);
2739 if (aname->culture) {
2740 culture = g_utf8_strdown (aname->culture, -1);
2742 culture = g_strdup ("");
2745 pubtok = g_ascii_strdown ((char*)aname->public_key_token, MONO_PUBLIC_KEY_TOKEN_LENGTH);
2746 version = g_strdup_printf ("%d.%d.%d.%d_%s_%s", aname->major,
2747 aname->minor, aname->build, aname->revision,
2751 subpath = g_build_path (G_DIR_SEPARATOR_S, name, version, filename, NULL);
2756 if (extra_gac_paths) {
2757 paths = extra_gac_paths;
2758 while (!result && *paths) {
2759 fullpath = g_build_path (G_DIR_SEPARATOR_S, *paths, "lib", "mono", "gac", subpath, NULL);
2760 result = mono_assembly_open_full (fullpath, status, refonly);
2767 result->in_gac = TRUE;
2772 fullpath = g_build_path (G_DIR_SEPARATOR_S, mono_assembly_getrootdir (),
2773 "mono", "gac", subpath, NULL);
2774 result = mono_assembly_open_full (fullpath, status, refonly);
2778 result->in_gac = TRUE;
2786 mono_assembly_load_corlib (const MonoRuntimeInfo *runtime, MonoImageOpenStatus *status)
2789 MonoAssemblyName *aname;
2792 /* g_print ("corlib already loaded\n"); */
2796 #if defined(__native_client__)
2797 if (corlibData != NULL && corlibSize != 0) {
2799 /* First "FALSE" instructs mono not to make a copy. */
2800 /* Second "FALSE" says this is not just a ref. */
2801 MonoImage* image = mono_image_open_from_data_full (corlibData, corlibSize, FALSE, &status, FALSE);
2802 if (image == NULL || status != 0)
2803 g_print("mono_image_open_from_data_full failed: %d\n", status);
2804 corlib = mono_assembly_load_from_full (image, "mscorlib", &status, FALSE);
2805 if (corlib == NULL || status != 0)
2806 g_print ("mono_assembly_load_from_full failed: %d\n", status);
2812 aname = mono_assembly_name_new ("mscorlib.dll");
2813 corlib = invoke_assembly_preload_hook (aname, assemblies_path);
2814 mono_assembly_name_free (aname);
2819 if (assemblies_path) {
2820 corlib = load_in_path ("mscorlib.dll", (const char**)assemblies_path, status, FALSE);
2825 /* Load corlib from mono/<version> */
2827 corlib_file = g_build_filename ("mono", runtime->framework_version, "mscorlib.dll", NULL);
2828 if (assemblies_path) {
2829 corlib = load_in_path (corlib_file, (const char**)assemblies_path, status, FALSE);
2831 g_free (corlib_file);
2835 corlib = load_in_path (corlib_file, default_path, status, FALSE);
2836 g_free (corlib_file);
2838 if (corlib && !strcmp (runtime->framework_version, "4.5"))
2839 default_path [1] = g_strdup_printf ("%s/mono/4.5/Facades", default_path [0]);
2845 mono_assembly_load_full_nosearch (MonoAssemblyName *aname,
2846 const char *basedir,
2847 MonoImageOpenStatus *status,
2850 MonoAssembly *result;
2851 char *fullpath, *filename;
2852 MonoAssemblyName maped_aname;
2853 MonoAssemblyName maped_name_pp;
2858 aname = mono_assembly_remap_version (aname, &maped_aname);
2860 /* Reflection only assemblies don't get assembly binding */
2862 aname = mono_assembly_apply_binding (aname, &maped_name_pp);
2864 result = mono_assembly_loaded_full (aname, refonly);
2868 result = refonly ? invoke_assembly_refonly_preload_hook (aname, assemblies_path) : invoke_assembly_preload_hook (aname, assemblies_path);
2870 result->in_gac = FALSE;
2874 /* Currently we retrieve the loaded corlib for reflection
2875 * only requests, like a common reflection only assembly
2877 if (strcmp (aname->name, "mscorlib") == 0 || strcmp (aname->name, "mscorlib.dll") == 0) {
2878 return mono_assembly_load_corlib (mono_get_runtime_info (), status);
2881 len = strlen (aname->name);
2882 for (ext_index = 0; ext_index < 2; ext_index ++) {
2883 ext = ext_index == 0 ? ".dll" : ".exe";
2884 if (len > 4 && (!strcmp (aname->name + len - 4, ".dll") || !strcmp (aname->name + len - 4, ".exe"))) {
2885 filename = g_strdup (aname->name);
2886 /* Don't try appending .dll/.exe if it already has one of those extensions */
2889 filename = g_strconcat (aname->name, ext, NULL);
2892 result = mono_assembly_load_from_gac (aname, filename, status, refonly);
2899 fullpath = g_build_filename (basedir, filename, NULL);
2900 result = mono_assembly_open_full (fullpath, status, refonly);
2903 result->in_gac = FALSE;
2909 result = load_in_path (filename, default_path, status, refonly);
2911 result->in_gac = FALSE;
2921 * mono_assembly_load_full:
2922 * @aname: A MonoAssemblyName with the assembly name to load.
2923 * @basedir: A directory to look up the assembly at.
2924 * @status: a pointer to a MonoImageOpenStatus to return the status of the load operation
2925 * @refonly: Whether this assembly is being opened in "reflection-only" mode.
2927 * Loads the assembly referenced by @aname, if the value of @basedir is not NULL, it
2928 * attempts to load the assembly from that directory before probing the standard locations.
2930 * If the assembly is being opened in reflection-only mode (@refonly set to TRUE) then no
2931 * assembly binding takes place.
2933 * Returns: the assembly referenced by @aname loaded or NULL on error. On error the
2934 * value pointed by status is updated with an error code.
2937 mono_assembly_load_full (MonoAssemblyName *aname, const char *basedir, MonoImageOpenStatus *status, gboolean refonly)
2939 MonoAssembly *result = mono_assembly_load_full_nosearch (aname, basedir, status, refonly);
2942 /* Try a postload search hook */
2943 result = mono_assembly_invoke_search_hook_internal (aname, refonly, TRUE);
2948 * mono_assembly_load:
2949 * @aname: A MonoAssemblyName with the assembly name to load.
2950 * @basedir: A directory to look up the assembly at.
2951 * @status: a pointer to a MonoImageOpenStatus to return the status of the load operation
2953 * Loads the assembly referenced by @aname, if the value of @basedir is not NULL, it
2954 * attempts to load the assembly from that directory before probing the standard locations.
2956 * Returns: the assembly referenced by @aname loaded or NULL on error. On error the
2957 * value pointed by status is updated with an error code.
2960 mono_assembly_load (MonoAssemblyName *aname, const char *basedir, MonoImageOpenStatus *status)
2962 return mono_assembly_load_full (aname, basedir, status, FALSE);
2966 mono_assembly_loaded_full (MonoAssemblyName *aname, gboolean refonly)
2969 MonoAssemblyName maped_aname;
2971 aname = mono_assembly_remap_version (aname, &maped_aname);
2973 res = mono_assembly_invoke_search_hook_internal (aname, refonly, FALSE);
2979 * mono_assembly_loaded:
2980 * @aname: an assembly to look for.
2982 * Returns: NULL If the given @aname assembly has not been loaded, or a pointer to
2983 * a MonoAssembly that matches the MonoAssemblyName specified.
2986 mono_assembly_loaded (MonoAssemblyName *aname)
2988 return mono_assembly_loaded_full (aname, FALSE);
2992 mono_assembly_release_gc_roots (MonoAssembly *assembly)
2994 if (assembly == NULL || assembly == REFERENCE_MISSING)
2997 if (assembly->dynamic) {
2999 MonoDynamicImage *dynimg = (MonoDynamicImage *)assembly->image;
3000 for (i = 0; i < dynimg->image.module_count; ++i)
3001 mono_dynamic_image_release_gc_roots ((MonoDynamicImage *)dynimg->image.modules [i]);
3002 mono_dynamic_image_release_gc_roots (dynimg);
3007 * Returns whether mono_assembly_close_finish() must be called as
3008 * well. See comment for mono_image_close_except_pools() for why we
3009 * unload in two steps.
3012 mono_assembly_close_except_image_pools (MonoAssembly *assembly)
3015 g_return_val_if_fail (assembly != NULL, FALSE);
3017 if (assembly == REFERENCE_MISSING)
3020 /* Might be 0 already */
3021 if (InterlockedDecrement (&assembly->ref_count) > 0)
3024 mono_profiler_assembly_event (assembly, MONO_PROFILE_START_UNLOAD);
3026 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_ASSEMBLY, "Unloading assembly %s [%p].", assembly->aname.name, assembly);
3028 mono_debug_close_image (assembly->image);
3030 mono_assemblies_lock ();
3031 loaded_assemblies = g_list_remove (loaded_assemblies, assembly);
3032 mono_assemblies_unlock ();
3034 assembly->image->assembly = NULL;
3036 if (!mono_image_close_except_pools (assembly->image))
3037 assembly->image = NULL;
3039 for (tmp = assembly->friend_assembly_names; tmp; tmp = tmp->next) {
3040 MonoAssemblyName *fname = tmp->data;
3041 mono_assembly_name_free (fname);
3044 g_slist_free (assembly->friend_assembly_names);
3045 g_free (assembly->basedir);
3047 mono_profiler_assembly_event (assembly, MONO_PROFILE_END_UNLOAD);
3053 mono_assembly_close_finish (MonoAssembly *assembly)
3055 g_assert (assembly && assembly != REFERENCE_MISSING);
3057 if (assembly->image)
3058 mono_image_close_finish (assembly->image);
3060 if (assembly->dynamic) {
3061 g_free ((char*)assembly->aname.culture);
3068 * mono_assembly_close:
3069 * @assembly: the assembly to release.
3071 * This method releases a reference to the @assembly. The assembly is
3072 * only released when all the outstanding references to it are released.
3075 mono_assembly_close (MonoAssembly *assembly)
3077 if (mono_assembly_close_except_image_pools (assembly))
3078 mono_assembly_close_finish (assembly);
3082 mono_assembly_load_module (MonoAssembly *assembly, guint32 idx)
3084 return mono_image_load_file_for_image (assembly->image, idx);
3088 mono_assembly_foreach (GFunc func, gpointer user_data)
3093 * We make a copy of the list to avoid calling the callback inside the
3094 * lock, which could lead to deadlocks.
3096 mono_assemblies_lock ();
3097 copy = g_list_copy (loaded_assemblies);
3098 mono_assemblies_unlock ();
3100 g_list_foreach (loaded_assemblies, func, user_data);
3106 * mono_assemblies_cleanup:
3108 * Free all resources used by this module.
3111 mono_assemblies_cleanup (void)
3115 DeleteCriticalSection (&assemblies_mutex);
3116 mono_mutex_destroy (&assembly_binding_mutex);
3118 for (l = loaded_assembly_bindings; l; l = l->next) {
3119 MonoAssemblyBindingInfo *info = l->data;
3121 mono_assembly_binding_info_free (info);
3124 g_slist_free (loaded_assembly_bindings);
3126 free_assembly_load_hooks ();
3127 free_assembly_search_hooks ();
3128 free_assembly_preload_hooks ();
3131 /*LOCKING takes the assembly_binding lock*/
3133 mono_assembly_cleanup_domain_bindings (guint32 domain_id)
3137 mono_assembly_binding_lock ();
3138 iter = &loaded_assembly_bindings;
3141 MonoAssemblyBindingInfo *info = l->data;
3143 if (info->domain_id == domain_id) {
3145 mono_assembly_binding_info_free (info);
3152 mono_assembly_binding_unlock ();
3156 * Holds the assembly of the application, for
3157 * System.Diagnostics.Process::MainModule
3159 static MonoAssembly *main_assembly=NULL;
3162 mono_assembly_set_main (MonoAssembly *assembly)
3164 main_assembly = assembly;
3168 * mono_assembly_get_main:
3170 * Returns: the assembly for the application, the first assembly that is loaded by the VM
3173 mono_assembly_get_main (void)
3175 return (main_assembly);
3179 * mono_assembly_get_image:
3180 * @assembly: The assembly to retrieve the image from
3182 * Returns: the MonoImage associated with this assembly.
3185 mono_assembly_get_image (MonoAssembly *assembly)
3187 return assembly->image;
3191 mono_register_bundled_assemblies (const MonoBundledAssembly **assemblies)
3193 bundles = assemblies;
3196 #define MONO_DECLSEC_FORMAT_10 0x3C
3197 #define MONO_DECLSEC_FORMAT_20 0x2E
3198 #define MONO_DECLSEC_FIELD 0x53
3199 #define MONO_DECLSEC_PROPERTY 0x54
3201 #define SKIP_VISIBILITY_XML_ATTRIBUTE ("\"SkipVerification\"")
3202 #define SKIP_VISIBILITY_ATTRIBUTE_NAME ("System.Security.Permissions.SecurityPermissionAttribute")
3203 #define SKIP_VISIBILITY_ATTRIBUTE_SIZE (sizeof (SKIP_VISIBILITY_ATTRIBUTE_NAME) - 1)
3204 #define SKIP_VISIBILITY_PROPERTY_NAME ("SkipVerification")
3205 #define SKIP_VISIBILITY_PROPERTY_SIZE (sizeof (SKIP_VISIBILITY_PROPERTY_NAME) - 1)
3208 mono_assembly_try_decode_skip_verification_param (const char *p, const char **resp, gboolean *abort_decoding)
3212 case MONO_DECLSEC_PROPERTY:
3214 case MONO_DECLSEC_FIELD:
3216 *abort_decoding = TRUE;
3221 if (*p++ != MONO_TYPE_BOOLEAN) {
3222 *abort_decoding = TRUE;
3226 /* property name length */
3227 len = mono_metadata_decode_value (p, &p);
3229 if (len >= SKIP_VISIBILITY_PROPERTY_SIZE && !memcmp (p, SKIP_VISIBILITY_PROPERTY_NAME, SKIP_VISIBILITY_PROPERTY_SIZE)) {
3240 mono_assembly_try_decode_skip_verification (const char *p, const char *endn)
3242 int i, j, num, len, params_len;
3244 if (*p == MONO_DECLSEC_FORMAT_10) {
3245 gsize read, written;
3246 char *res = g_convert (p, endn - p, "UTF-8", "UTF-16LE", &read, &written, NULL);
3248 gboolean found = strstr (res, SKIP_VISIBILITY_XML_ATTRIBUTE) != NULL;
3254 if (*p++ != MONO_DECLSEC_FORMAT_20)
3257 /* number of encoded permission attributes */
3258 num = mono_metadata_decode_value (p, &p);
3259 for (i = 0; i < num; ++i) {
3260 gboolean is_valid = FALSE;
3261 gboolean abort_decoding = FALSE;
3263 /* attribute name length */
3264 len = mono_metadata_decode_value (p, &p);
3266 /* We don't really need to fully decode the type. Comparing the name is enough */
3267 is_valid = len >= SKIP_VISIBILITY_ATTRIBUTE_SIZE && !memcmp (p, SKIP_VISIBILITY_ATTRIBUTE_NAME, SKIP_VISIBILITY_ATTRIBUTE_SIZE);
3271 /*size of the params table*/
3272 params_len = mono_metadata_decode_value (p, &p);
3274 const char *params_end = p + params_len;
3276 /* number of parameters */
3277 len = mono_metadata_decode_value (p, &p);
3279 for (j = 0; j < len; ++j) {
3280 if (mono_assembly_try_decode_skip_verification_param (p, &p, &abort_decoding))
3296 mono_assembly_has_skip_verification (MonoAssembly *assembly)
3299 guint32 cols [MONO_DECL_SECURITY_SIZE];
3303 if (MONO_SECMAN_FLAG_INIT (assembly->skipverification))
3304 return MONO_SECMAN_FLAG_GET_VALUE (assembly->skipverification);
3306 t = &assembly->image->tables [MONO_TABLE_DECLSECURITY];
3308 for (i = 0; i < t->rows; ++i) {
3309 mono_metadata_decode_row (t, i, cols, MONO_DECL_SECURITY_SIZE);
3310 if ((cols [MONO_DECL_SECURITY_PARENT] & MONO_HAS_DECL_SECURITY_MASK) != MONO_HAS_DECL_SECURITY_ASSEMBLY)
3312 if (cols [MONO_DECL_SECURITY_ACTION] != SECURITY_ACTION_REQMIN)
3315 blob = mono_metadata_blob_heap (assembly->image, cols [MONO_DECL_SECURITY_PERMISSIONSET]);
3316 len = mono_metadata_decode_blob_size (blob, &blob);
3320 if (mono_assembly_try_decode_skip_verification (blob, blob + len)) {
3321 MONO_SECMAN_FLAG_SET_VALUE (assembly->skipverification, TRUE);
3326 MONO_SECMAN_FLAG_SET_VALUE (assembly->skipverification, FALSE);