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>
39 #include <sys/types.h>
44 #ifdef PLATFORM_MACOSX
45 #include <mach-o/dyld.h>
48 /* AssemblyVersionMap: an assembly name and the assembly version set on which it is based */
50 const char* assembly_name;
51 guint8 version_set_index;
54 /* the default search path is empty, the first slot is replaced with the computed value */
61 /* Contains the list of directories to be searched for assemblies (MONO_PATH) */
62 static char **assemblies_path = NULL;
64 /* Contains the list of directories that point to auxiliary GACs */
65 static char **extra_gac_paths = NULL;
67 #ifndef DISABLE_ASSEMBLY_REMAPPING
68 /* The list of system assemblies what will be remapped to the running
69 * runtime version. WARNING: this list must be sorted.
70 * The integer number is an index in the MonoRuntimeInfo structure, whose
71 * values can be found in domain.c - supported_runtimes. Look there
72 * to understand what remapping will be made.
74 static const AssemblyVersionMap framework_assemblies [] = {
76 {"Commons.Xml.Relaxng", 0},
83 {"Microsoft.VisualBasic", 1},
84 {"Microsoft.VisualC", 1},
86 {"Mono.CompilerServices.SymbolWriter", 0},
88 {"Mono.Data.SybaseClient", 0},
90 {"Mono.Data.TdsClient", 0},
91 {"Mono.GetOptions", 0},
95 {"Mono.Security.Win32", 0},
97 {"Novell.Directory.Ldap", 0},
101 {"System.ComponentModel.DataAnnotations", 2},
102 {"System.Configuration", 0},
103 {"System.Configuration.Install", 0},
106 {"System.Data.Linq", 2},
107 {"System.Data.OracleClient", 0},
108 {"System.Data.SqlXml", 0},
109 {"System.Design", 0},
110 {"System.DirectoryServices", 0},
111 {"System.Drawing", 0},
112 {"System.Drawing.Design", 0},
113 {"System.EnterpriseServices", 0},
114 {"System.Management", 0},
115 {"System.Messaging", 0},
116 {"System.Runtime.Remoting", 0},
117 {"System.Runtime.Serialization", 3},
118 {"System.Runtime.Serialization.Formatters.Soap", 0},
119 {"System.Security", 0},
120 {"System.ServiceProcess", 0},
121 {"System.Transactions", 0},
123 {"System.Web.Abstractions", 2},
124 {"System.Web.Mobile", 0},
125 {"System.Web.Routing", 2},
126 {"System.Web.Services", 0},
127 {"System.Windows.Forms", 0},
134 * keeps track of loaded assemblies
136 static GList *loaded_assemblies = NULL;
137 static MonoAssembly *corlib;
139 #if defined(__native_client__)
141 /* On Native Client, allow mscorlib to be loaded from memory */
142 /* instead of loaded off disk. If these are not set, default */
143 /* mscorlib loading will take place */
145 /* NOTE: If mscorlib data is passed to mono in this way then */
146 /* it needs to remain allocated during the use of mono. */
148 static void *corlibData = NULL;
149 static size_t corlibSize = 0;
152 mono_set_corlib_data (void *data, size_t size)
160 /* This protects loaded_assemblies and image->references */
161 #define mono_assemblies_lock() EnterCriticalSection (&assemblies_mutex)
162 #define mono_assemblies_unlock() LeaveCriticalSection (&assemblies_mutex)
163 static CRITICAL_SECTION assemblies_mutex;
165 /* If defined, points to the bundled assembly information */
166 const MonoBundledAssembly **bundles;
168 /* Loaded assembly binding info */
169 static GSList *loaded_assembly_bindings = NULL;
172 mono_assembly_invoke_search_hook_internal (MonoAssemblyName *aname, gboolean refonly, gboolean postload);
174 mono_assembly_is_in_gac (const gchar *filanem);
177 encode_public_tok (const guchar *token, gint32 len)
179 const static gchar allowed [] = { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f' };
183 res = g_malloc (len * 2 + 1);
184 for (i = 0; i < len; i++) {
185 res [i * 2] = allowed [token [i] >> 4];
186 res [i * 2 + 1] = allowed [token [i] & 0xF];
193 * mono_public_tokens_are_equal:
194 * @pubt1: first public key token
195 * @pubt2: second public key token
197 * Compare two public key tokens and return #TRUE is they are equal and #FALSE
201 mono_public_tokens_are_equal (const unsigned char *pubt1, const unsigned char *pubt2)
203 return memcmp (pubt1, pubt2, 16) == 0;
207 * mono_set_assemblies_path:
208 * @path: list of paths that contain directories where Mono will look for assemblies
210 * Use this method to override the standard assembly lookup system and
211 * override any assemblies coming from the GAC. This is the method
212 * that supports the MONO_PATH variable.
214 * Notice that MONO_PATH and this method are really a very bad idea as
215 * it prevents the GAC from working and it prevents the standard
216 * resolution mechanisms from working. Nonetheless, for some debugging
217 * situations and bootstrapping setups, this is useful to have.
220 mono_set_assemblies_path (const char* path)
222 char **splitted, **dest;
224 splitted = g_strsplit (path, G_SEARCHPATH_SEPARATOR_S, 1000);
226 g_strfreev (assemblies_path);
227 assemblies_path = dest = splitted;
235 if (g_getenv ("MONO_DEBUG") == NULL)
238 splitted = assemblies_path;
240 if (**splitted && !g_file_test (*splitted, G_FILE_TEST_IS_DIR))
241 g_warning ("'%s' in MONO_PATH doesn't exist or has wrong permissions.", *splitted);
247 /* Native Client can't get this info from an environment variable so */
248 /* it's passed in to the runtime, or set manually by embedding code. */
249 #ifdef __native_client__
250 char* nacl_mono_path = NULL;
254 check_path_env (void)
257 #ifdef __native_client__
258 path = nacl_mono_path;
260 path = g_getenv ("MONO_PATH");
262 if (!path || assemblies_path != NULL)
265 mono_set_assemblies_path(path);
269 check_extra_gac_path_env (void) {
271 char **splitted, **dest;
273 path = g_getenv ("MONO_GAC_PREFIX");
277 splitted = g_strsplit (path, G_SEARCHPATH_SEPARATOR_S, 1000);
279 g_strfreev (extra_gac_paths);
280 extra_gac_paths = dest = splitted;
288 if (g_getenv ("MONO_DEBUG") == NULL)
292 if (**splitted && !g_file_test (*splitted, G_FILE_TEST_IS_DIR))
293 g_warning ("'%s' in MONO_GAC_PREFIX doesn't exist or has wrong permissions.", *splitted);
300 assembly_binding_maps_name (MonoAssemblyBindingInfo *info, MonoAssemblyName *aname)
302 if (!info || !info->name)
305 if (strcmp (info->name, aname->name))
308 if (info->major != aname->major || info->minor != aname->minor)
311 if ((info->culture != NULL && info->culture [0]) != (aname->culture != NULL && aname->culture [0]))
314 if (info->culture && aname->culture && strcmp (info->culture, aname->culture))
317 if (!mono_public_tokens_are_equal (info->public_key_token, aname->public_key_token))
324 mono_assembly_binding_info_free (MonoAssemblyBindingInfo *info)
330 g_free (info->culture);
334 get_publisher_policy_info (MonoImage *image, MonoAssemblyName *aname, MonoAssemblyBindingInfo *binding_info)
337 guint32 cols [MONO_MANIFEST_SIZE];
338 const gchar *filename;
339 gchar *subpath, *fullpath;
341 t = &image->tables [MONO_TABLE_MANIFESTRESOURCE];
342 /* MS Impl. accepts policy assemblies with more than
343 * one manifest resource, and only takes the first one */
345 binding_info->is_valid = FALSE;
349 mono_metadata_decode_row (t, 0, cols, MONO_MANIFEST_SIZE);
350 if ((cols [MONO_MANIFEST_IMPLEMENTATION] & MONO_IMPLEMENTATION_MASK) != MONO_IMPLEMENTATION_FILE) {
351 binding_info->is_valid = FALSE;
355 filename = mono_metadata_string_heap (image, cols [MONO_MANIFEST_NAME]);
356 g_assert (filename != NULL);
358 subpath = g_path_get_dirname (image->name);
359 fullpath = g_build_path (G_DIR_SEPARATOR_S, subpath, filename, NULL);
360 mono_config_parse_publisher_policy (fullpath, binding_info);
364 /* Define the optional elements/attributes before checking */
365 if (!binding_info->culture)
366 binding_info->culture = g_strdup ("");
368 /* Check that the most important elements/attributes exist */
369 if (!binding_info->name || !binding_info->public_key_token [0] || !binding_info->has_old_version_bottom ||
370 !binding_info->has_new_version || !assembly_binding_maps_name (binding_info, aname)) {
371 mono_assembly_binding_info_free (binding_info);
372 binding_info->is_valid = FALSE;
376 binding_info->is_valid = TRUE;
380 compare_versions (AssemblyVersionSet *v, MonoAssemblyName *aname)
382 if (v->major > aname->major)
384 else if (v->major < aname->major)
387 if (v->minor > aname->minor)
389 else if (v->minor < aname->minor)
392 if (v->build > aname->build)
394 else if (v->build < aname->build)
397 if (v->revision > aname->revision)
399 else if (v->revision < aname->revision)
406 check_policy_versions (MonoAssemblyBindingInfo *info, MonoAssemblyName *name)
411 /* If has_old_version_top doesn't exist, we don't have an interval */
412 if (!info->has_old_version_top) {
413 if (compare_versions (&info->old_version_bottom, name) == 0)
419 /* Check that the version defined by name is valid for the interval */
420 if (compare_versions (&info->old_version_top, name) < 0)
423 /* We should be greater or equal than the small version */
424 if (compare_versions (&info->old_version_bottom, name) > 0)
431 * mono_assembly_names_equal:
433 * @r: second assembly.
435 * Compares two MonoAssemblyNames and returns whether they are equal.
437 * This compares the names, the cultures, the release version and their
440 * Returns: TRUE if both assembly names are equal.
443 mono_assembly_names_equal (MonoAssemblyName *l, MonoAssemblyName *r)
445 if (!l->name || !r->name)
448 if (strcmp (l->name, r->name))
451 if (l->culture && r->culture && strcmp (l->culture, r->culture))
454 if (l->major != r->major || l->minor != r->minor ||
455 l->build != r->build || l->revision != r->revision)
456 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)))
459 if (!l->public_key_token [0] || !r->public_key_token [0])
462 if (!mono_public_tokens_are_equal (l->public_key_token, r->public_key_token))
468 static MonoAssembly *
469 load_in_path (const char *basename, const char** search_path, MonoImageOpenStatus *status, MonoBoolean refonly)
473 MonoAssembly *result;
475 for (i = 0; search_path [i]; ++i) {
476 fullpath = g_build_filename (search_path [i], basename, NULL);
477 result = mono_assembly_open_full (fullpath, status, refonly);
486 * mono_assembly_setrootdir:
487 * @root_dir: The pathname of the root directory where we will locate assemblies
489 * This routine sets the internal default root directory for looking up
492 * This is used by Windows installations to compute dynamically the
493 * place where the Mono assemblies are located.
497 mono_assembly_setrootdir (const char *root_dir)
500 * Override the MONO_ASSEMBLIES directory configured at compile time.
502 /* Leak if called more than once */
503 default_path [0] = g_strdup (root_dir);
507 * mono_assembly_getrootdir:
509 * Obtains the root directory used for looking up assemblies.
511 * Returns: a string with the directory, this string should not be freed.
513 G_CONST_RETURN gchar *
514 mono_assembly_getrootdir (void)
516 return default_path [0];
521 * @assembly_dir: the base directory for assemblies
522 * @config_dir: the base directory for configuration files
524 * This routine is used internally and by developers embedding
525 * the runtime into their own applications.
527 * There are a number of cases to consider: Mono as a system-installed
528 * package that is available on the location preconfigured or Mono in
529 * a relocated location.
531 * If you are using a system-installed Mono, you can pass NULL
532 * to both parameters. If you are not, you should compute both
533 * directory values and call this routine.
535 * The values for a given PREFIX are:
537 * assembly_dir: PREFIX/lib
538 * config_dir: PREFIX/etc
540 * Notice that embedders that use Mono in a relocated way must
541 * compute the location at runtime, as they will be in control
542 * of where Mono is installed.
545 mono_set_dirs (const char *assembly_dir, const char *config_dir)
547 #if defined (MONO_ASSEMBLIES)
548 if (assembly_dir == NULL)
549 assembly_dir = MONO_ASSEMBLIES;
551 #if defined (MONO_CFG_DIR)
552 if (config_dir == NULL)
553 config_dir = MONO_CFG_DIR;
555 mono_assembly_setrootdir (assembly_dir);
556 mono_set_config_dir (config_dir);
562 compute_base (char *path)
564 char *p = strrchr (path, '/');
568 /* Not a well known Mono executable, we are embedded, cant guess the base */
569 if (strcmp (p, "/mono") && strcmp (p, "/mono-sgen") && strcmp (p, "/pedump") && strcmp (p, "/monodis") && strcmp (p, "/mint") && strcmp (p, "/monodiet"))
573 p = strrchr (path, '/');
577 if (strcmp (p, "/bin") != 0)
586 mono_set_dirs (MONO_ASSEMBLIES, MONO_CFG_DIR);
589 static G_GNUC_UNUSED void
593 char *config, *lib, *mono;
597 * Only /usr prefix is treated specially
599 if (strncmp (exe, MONO_BINDIR, strlen (MONO_BINDIR)) == 0 || (base = compute_base (exe)) == NULL){
604 config = g_build_filename (base, "etc", NULL);
605 lib = g_build_filename (base, "lib", NULL);
606 mono = g_build_filename (lib, "mono/2.0", NULL);
607 if (stat (mono, &buf) == -1)
610 mono_set_dirs (lib, config);
618 #endif /* HOST_WIN32 */
623 * Registers the root directory for the Mono runtime, for Linux and Solaris 10,
624 * this auto-detects the prefix where Mono was installed.
627 mono_set_rootdir (void)
629 #if defined(HOST_WIN32) || (defined(PLATFORM_MACOSX) && !defined(TARGET_ARM))
630 gchar *bindir, *installdir, *root, *name, *resolvedname, *config;
633 name = mono_get_module_file_name ((HMODULE) &__ImageBase);
637 * _NSGetExecutablePath may return -1 to indicate buf is not large
638 * enough, but we ignore that case to avoid having to do extra dynamic
639 * allocation for the path and hope that 4096 is enough - this is
640 * ok in the Linux/Solaris case below at least...
644 guint buf_size = sizeof (buf);
646 if (_NSGetExecutablePath (buf, &buf_size) == 0)
647 name = g_strdup (buf);
656 resolvedname = mono_path_resolve_symlinks (name);
658 bindir = g_path_get_dirname (resolvedname);
659 installdir = g_path_get_dirname (bindir);
660 root = g_build_path (G_DIR_SEPARATOR_S, installdir, "lib", NULL);
662 config = g_build_filename (root, "..", "etc", NULL);
664 mono_set_dirs (root, config);
666 if (g_file_test (root, G_FILE_TEST_EXISTS) && g_file_test (config, G_FILE_TEST_EXISTS))
667 mono_set_dirs (root, config);
677 g_free (resolvedname);
678 #elif defined(DISABLE_MONO_AUTODETECTION)
686 s = readlink ("/proc/self/exe", buf, sizeof (buf)-1);
694 /* Solaris 10 style */
695 str = g_strdup_printf ("/proc/%d/path/a.out", getpid ());
696 s = readlink (str, buf, sizeof (buf)-1);
708 * mono_assemblies_init:
710 * Initialize global variables used by this module.
713 mono_assemblies_init (void)
716 * Initialize our internal paths if we have not been initialized yet.
717 * This happens when embedders use Mono.
719 if (mono_assembly_getrootdir () == NULL)
723 check_extra_gac_path_env ();
725 InitializeCriticalSection (&assemblies_mutex);
729 mono_assembly_fill_assembly_name (MonoImage *image, MonoAssemblyName *aname)
731 MonoTableInfo *t = &image->tables [MONO_TABLE_ASSEMBLY];
732 guint32 cols [MONO_ASSEMBLY_SIZE];
737 mono_metadata_decode_row (t, 0, cols, MONO_ASSEMBLY_SIZE);
740 aname->hash_value = NULL;
741 aname->name = mono_metadata_string_heap (image, cols [MONO_ASSEMBLY_NAME]);
742 aname->culture = mono_metadata_string_heap (image, cols [MONO_ASSEMBLY_CULTURE]);
743 aname->flags = cols [MONO_ASSEMBLY_FLAGS];
744 aname->major = cols [MONO_ASSEMBLY_MAJOR_VERSION];
745 aname->minor = cols [MONO_ASSEMBLY_MINOR_VERSION];
746 aname->build = cols [MONO_ASSEMBLY_BUILD_NUMBER];
747 aname->revision = cols [MONO_ASSEMBLY_REV_NUMBER];
748 aname->hash_alg = cols [MONO_ASSEMBLY_HASH_ALG];
749 if (cols [MONO_ASSEMBLY_PUBLIC_KEY]) {
750 guchar* token = g_malloc (8);
755 pkey = mono_metadata_blob_heap (image, cols [MONO_ASSEMBLY_PUBLIC_KEY]);
756 len = mono_metadata_decode_blob_size (pkey, &pkey);
757 aname->public_key = (guchar*)pkey;
759 mono_digest_get_public_token (token, aname->public_key, len);
760 encoded = encode_public_tok (token, 8);
761 g_strlcpy ((char*)aname->public_key_token, encoded, MONO_PUBLIC_KEY_TOKEN_LENGTH);
767 aname->public_key = NULL;
768 memset (aname->public_key_token, 0, MONO_PUBLIC_KEY_TOKEN_LENGTH);
771 if (cols [MONO_ASSEMBLY_PUBLIC_KEY]) {
772 aname->public_key = (guchar*)mono_metadata_blob_heap (image, cols [MONO_ASSEMBLY_PUBLIC_KEY]);
775 aname->public_key = 0;
781 * mono_stringify_assembly_name:
782 * @aname: the assembly name.
784 * Convert @aname into its string format. The returned string is dynamically
785 * allocated and should be freed by the caller.
787 * Returns: a newly allocated string with a string representation of
791 mono_stringify_assembly_name (MonoAssemblyName *aname)
793 const char *quote = (aname->name && g_ascii_isspace (aname->name [0])) ? "\"" : "";
795 return g_strdup_printf (
796 "%s%s%s, Version=%d.%d.%d.%d, Culture=%s, PublicKeyToken=%s%s",
797 quote, aname->name, quote,
798 aname->major, aname->minor, aname->build, aname->revision,
799 aname->culture && *aname->culture? aname->culture: "neutral",
800 aname->public_key_token [0] ? (char *)aname->public_key_token : "null",
801 (aname->flags & ASSEMBLYREF_RETARGETABLE_FLAG) ? ", Retargetable=Yes" : "");
805 assemblyref_public_tok (MonoImage *image, guint32 key_index, guint32 flags)
807 const gchar *public_tok;
810 public_tok = mono_metadata_blob_heap (image, key_index);
811 len = mono_metadata_decode_blob_size (public_tok, &public_tok);
813 if (flags & ASSEMBLYREF_FULL_PUBLIC_KEY_FLAG) {
815 mono_digest_get_public_token (token, (guchar*)public_tok, len);
816 return encode_public_tok (token, 8);
819 return encode_public_tok ((guchar*)public_tok, len);
823 * mono_assembly_addref:
824 * @assemnly: the assembly to reference
826 * This routine increments the reference count on a MonoAssembly.
827 * The reference count is reduced every time the method mono_assembly_close() is
831 mono_assembly_addref (MonoAssembly *assembly)
833 InterlockedIncrement (&assembly->ref_count);
836 #define SILVERLIGHT_KEY "7cec85d7bea7798e"
837 #define WINFX_KEY "31bf3856ad364e35"
838 #define ECMA_KEY "b77a5c561934e089"
839 #define MSFINAL_KEY "b03f5f7f11d50a3a"
847 static KeyRemapEntry key_remap_table[] = {
848 { "Microsoft.CSharp", WINFX_KEY, MSFINAL_KEY },
849 { "System", SILVERLIGHT_KEY, ECMA_KEY },
850 { "System.ComponentModel.Composition", WINFX_KEY, ECMA_KEY },
851 { "System.ComponentModel.DataAnnotations", "ddd0da4d3e678217", WINFX_KEY },
852 { "System.Core", SILVERLIGHT_KEY, ECMA_KEY },
853 { "System.Numerics", WINFX_KEY, ECMA_KEY },
854 { "System.Runtime.Serialization", SILVERLIGHT_KEY, ECMA_KEY },
855 { "System.ServiceModel", WINFX_KEY, ECMA_KEY },
856 { "System.ServiceModel.Web", SILVERLIGHT_KEY, WINFX_KEY },
857 { "System.Windows", SILVERLIGHT_KEY, MSFINAL_KEY },
858 { "System.Xml", SILVERLIGHT_KEY, ECMA_KEY },
859 { "System.Xml.Linq", WINFX_KEY, ECMA_KEY },
860 { "System.Xml.Serialization", WINFX_KEY, MSFINAL_KEY }
864 remap_keys (MonoAssemblyName *aname)
867 for (i = 0; i < G_N_ELEMENTS (key_remap_table); i++) {
868 const KeyRemapEntry *entry = &key_remap_table [i];
870 if (strcmp (aname->name, entry->name) ||
871 !mono_public_tokens_are_equal (aname->public_key_token, (const unsigned char*) entry->from))
874 memcpy (aname->public_key_token, entry->to, MONO_PUBLIC_KEY_TOKEN_LENGTH);
876 mono_trace (G_LOG_LEVEL_WARNING, MONO_TRACE_ASSEMBLY,
877 "Remapped public key token of retargetable assembly %s from %s to %s",
878 aname->name, entry->from, entry->to);
883 static MonoAssemblyName *
884 mono_assembly_remap_version (MonoAssemblyName *aname, MonoAssemblyName *dest_aname)
886 const MonoRuntimeInfo *current_runtime;
887 int pos, first, last;
889 if (aname->name == NULL) return aname;
891 current_runtime = mono_get_runtime_info ();
893 if (aname->flags & ASSEMBLYREF_RETARGETABLE_FLAG) {
894 const AssemblyVersionSet* vset;
896 /* Remap to current runtime */
897 vset = ¤t_runtime->version_sets [0];
899 memcpy (dest_aname, aname, sizeof(MonoAssemblyName));
900 dest_aname->major = vset->major;
901 dest_aname->minor = vset->minor;
902 dest_aname->build = vset->build;
903 dest_aname->revision = vset->revision;
904 dest_aname->flags &= ~ASSEMBLYREF_RETARGETABLE_FLAG;
906 /* Remap assembly name */
907 if (!strcmp (aname->name, "System.Net"))
908 dest_aname->name = g_strdup ("System");
910 remap_keys (dest_aname);
912 mono_trace (G_LOG_LEVEL_WARNING, MONO_TRACE_ASSEMBLY,
913 "The request to load the retargetable assembly %s v%d.%d.%d.%d was remapped to %s v%d.%d.%d.%d",
915 aname->major, aname->minor, aname->build, aname->revision,
917 vset->major, vset->minor, vset->build, vset->revision
923 #ifndef DISABLE_ASSEMBLY_REMAPPING
925 last = G_N_ELEMENTS (framework_assemblies) - 1;
927 while (first <= last) {
929 pos = first + (last - first) / 2;
930 res = strcmp (aname->name, framework_assemblies[pos].assembly_name);
932 const AssemblyVersionSet* vset;
933 int index = framework_assemblies[pos].version_set_index;
934 g_assert (index < G_N_ELEMENTS (current_runtime->version_sets));
935 vset = ¤t_runtime->version_sets [index];
937 if (aname->major == vset->major && aname->minor == vset->minor &&
938 aname->build == vset->build && aname->revision == vset->revision)
941 if ((aname->major | aname->minor | aname->build | aname->revision) != 0)
942 mono_trace (G_LOG_LEVEL_WARNING, MONO_TRACE_ASSEMBLY,
943 "The request to load the assembly %s v%d.%d.%d.%d was remapped to v%d.%d.%d.%d",
945 aname->major, aname->minor, aname->build, aname->revision,
946 vset->major, vset->minor, vset->build, vset->revision
949 memcpy (dest_aname, aname, sizeof(MonoAssemblyName));
950 dest_aname->major = vset->major;
951 dest_aname->minor = vset->minor;
952 dest_aname->build = vset->build;
953 dest_aname->revision = vset->revision;
955 } else if (res < 0) {
967 * mono_assembly_get_assemblyref:
969 * Fill out ANAME with the assembly name of the INDEXth assembly reference in IMAGE.
972 mono_assembly_get_assemblyref (MonoImage *image, int index, MonoAssemblyName *aname)
975 guint32 cols [MONO_ASSEMBLYREF_SIZE];
978 t = &image->tables [MONO_TABLE_ASSEMBLYREF];
980 mono_metadata_decode_row (t, index, cols, MONO_ASSEMBLYREF_SIZE);
982 hash = mono_metadata_blob_heap (image, cols [MONO_ASSEMBLYREF_HASH_VALUE]);
983 aname->hash_len = mono_metadata_decode_blob_size (hash, &hash);
984 aname->hash_value = hash;
985 aname->name = mono_metadata_string_heap (image, cols [MONO_ASSEMBLYREF_NAME]);
986 aname->culture = mono_metadata_string_heap (image, cols [MONO_ASSEMBLYREF_CULTURE]);
987 aname->flags = cols [MONO_ASSEMBLYREF_FLAGS];
988 aname->major = cols [MONO_ASSEMBLYREF_MAJOR_VERSION];
989 aname->minor = cols [MONO_ASSEMBLYREF_MINOR_VERSION];
990 aname->build = cols [MONO_ASSEMBLYREF_BUILD_NUMBER];
991 aname->revision = cols [MONO_ASSEMBLYREF_REV_NUMBER];
993 if (cols [MONO_ASSEMBLYREF_PUBLIC_KEY]) {
994 gchar *token = assemblyref_public_tok (image, cols [MONO_ASSEMBLYREF_PUBLIC_KEY], aname->flags);
995 g_strlcpy ((char*)aname->public_key_token, token, MONO_PUBLIC_KEY_TOKEN_LENGTH);
998 memset (aname->public_key_token, 0, MONO_PUBLIC_KEY_TOKEN_LENGTH);
1003 mono_assembly_load_reference (MonoImage *image, int index)
1005 MonoAssembly *reference;
1006 MonoAssemblyName aname;
1007 MonoImageOpenStatus status;
1010 * image->references is shared between threads, so we need to access
1011 * it inside a critical section.
1013 mono_assemblies_lock ();
1014 if (!image->references) {
1015 MonoTableInfo *t = &image->tables [MONO_TABLE_ASSEMBLYREF];
1017 image->references = g_new0 (MonoAssembly *, t->rows + 1);
1019 reference = image->references [index];
1020 mono_assemblies_unlock ();
1024 mono_assembly_get_assemblyref (image, index, &aname);
1026 if (image->assembly && image->assembly->ref_only) {
1027 /* We use the loaded corlib */
1028 if (!strcmp (aname.name, "mscorlib"))
1029 reference = mono_assembly_load_full (&aname, image->assembly->basedir, &status, FALSE);
1031 reference = mono_assembly_loaded_full (&aname, TRUE);
1033 /* Try a postload search hook */
1034 reference = mono_assembly_invoke_search_hook_internal (&aname, TRUE, TRUE);
1038 * Here we must advice that the error was due to
1039 * a non loaded reference using the ReflectionOnly api
1042 reference = REFERENCE_MISSING;
1044 reference = mono_assembly_load (&aname, image->assembly? image->assembly->basedir: NULL, &status);
1046 if (reference == NULL){
1049 if (status == MONO_IMAGE_ERROR_ERRNO && errno == ENOENT) {
1050 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 : "" );
1051 } else if (status == MONO_IMAGE_ERROR_ERRNO) {
1052 extra_msg = g_strdup_printf ("System error: %s\n", strerror (errno));
1053 } else if (status == MONO_IMAGE_MISSING_ASSEMBLYREF) {
1054 extra_msg = g_strdup ("Cannot find an assembly referenced from this one.\n");
1055 } else if (status == MONO_IMAGE_IMAGE_INVALID) {
1056 extra_msg = g_strdup ("The file exists but is not a valid assembly.\n");
1058 extra_msg = g_strdup ("");
1061 mono_trace (G_LOG_LEVEL_WARNING, MONO_TRACE_ASSEMBLY, "The following assembly referenced from %s could not be loaded:\n"
1062 " Assembly: %s (assemblyref_index=%d)\n"
1063 " Version: %d.%d.%d.%d\n"
1064 " Public Key: %s\n%s",
1065 image->name, aname.name, index,
1066 aname.major, aname.minor, aname.build, aname.revision,
1067 strlen ((char*)aname.public_key_token) == 0 ? "(none)" : (char*)aname.public_key_token, extra_msg);
1071 mono_assemblies_lock ();
1072 if (reference == NULL) {
1073 /* Flag as not found */
1074 reference = REFERENCE_MISSING;
1077 if (!image->references [index]) {
1078 if (reference != REFERENCE_MISSING){
1079 mono_assembly_addref (reference);
1080 if (image->assembly)
1081 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_ASSEMBLY, "Assembly Ref addref %s[%p] -> %s[%p]: %d",
1082 image->assembly->aname.name, image->assembly, reference->aname.name, reference, reference->ref_count);
1084 if (image->assembly)
1085 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_ASSEMBLY, "Failed to load assembly %s[%p]\n",
1086 image->assembly->aname.name, image->assembly);
1089 image->references [index] = reference;
1091 mono_assemblies_unlock ();
1093 if (image->references [index] != reference) {
1094 /* Somebody loaded it before us */
1095 mono_assembly_close (reference);
1100 mono_assembly_load_references (MonoImage *image, MonoImageOpenStatus *status)
1102 /* This is a no-op now but it is part of the embedding API so we can't remove it */
1103 *status = MONO_IMAGE_OK;
1106 typedef struct AssemblyLoadHook AssemblyLoadHook;
1107 struct AssemblyLoadHook {
1108 AssemblyLoadHook *next;
1109 MonoAssemblyLoadFunc func;
1113 AssemblyLoadHook *assembly_load_hook = NULL;
1116 mono_assembly_invoke_load_hook (MonoAssembly *ass)
1118 AssemblyLoadHook *hook;
1120 for (hook = assembly_load_hook; hook; hook = hook->next) {
1121 hook->func (ass, hook->user_data);
1126 mono_install_assembly_load_hook (MonoAssemblyLoadFunc func, gpointer user_data)
1128 AssemblyLoadHook *hook;
1130 g_return_if_fail (func != NULL);
1132 hook = g_new0 (AssemblyLoadHook, 1);
1134 hook->user_data = user_data;
1135 hook->next = assembly_load_hook;
1136 assembly_load_hook = hook;
1140 free_assembly_load_hooks (void)
1142 AssemblyLoadHook *hook, *next;
1144 for (hook = assembly_load_hook; hook; hook = next) {
1150 typedef struct AssemblySearchHook AssemblySearchHook;
1151 struct AssemblySearchHook {
1152 AssemblySearchHook *next;
1153 MonoAssemblySearchFunc func;
1159 AssemblySearchHook *assembly_search_hook = NULL;
1161 static MonoAssembly*
1162 mono_assembly_invoke_search_hook_internal (MonoAssemblyName *aname, gboolean refonly, gboolean postload)
1164 AssemblySearchHook *hook;
1166 for (hook = assembly_search_hook; hook; hook = hook->next) {
1167 if ((hook->refonly == refonly) && (hook->postload == postload)) {
1168 MonoAssembly *ass = hook->func (aname, hook->user_data);
1178 mono_assembly_invoke_search_hook (MonoAssemblyName *aname)
1180 return mono_assembly_invoke_search_hook_internal (aname, FALSE, FALSE);
1184 mono_install_assembly_search_hook_internal (MonoAssemblySearchFunc func, gpointer user_data, gboolean refonly, gboolean postload)
1186 AssemblySearchHook *hook;
1188 g_return_if_fail (func != NULL);
1190 hook = g_new0 (AssemblySearchHook, 1);
1192 hook->user_data = user_data;
1193 hook->refonly = refonly;
1194 hook->postload = postload;
1195 hook->next = assembly_search_hook;
1196 assembly_search_hook = hook;
1200 mono_install_assembly_search_hook (MonoAssemblySearchFunc func, gpointer user_data)
1202 mono_install_assembly_search_hook_internal (func, user_data, FALSE, FALSE);
1206 free_assembly_search_hooks (void)
1208 AssemblySearchHook *hook, *next;
1210 for (hook = assembly_search_hook; hook; hook = next) {
1217 mono_install_assembly_refonly_search_hook (MonoAssemblySearchFunc func, gpointer user_data)
1219 mono_install_assembly_search_hook_internal (func, user_data, TRUE, FALSE);
1223 mono_install_assembly_postload_search_hook (MonoAssemblySearchFunc func, gpointer user_data)
1225 mono_install_assembly_search_hook_internal (func, user_data, FALSE, TRUE);
1229 mono_install_assembly_postload_refonly_search_hook (MonoAssemblySearchFunc func, gpointer user_data)
1231 mono_install_assembly_search_hook_internal (func, user_data, TRUE, TRUE);
1234 typedef struct AssemblyPreLoadHook AssemblyPreLoadHook;
1235 struct AssemblyPreLoadHook {
1236 AssemblyPreLoadHook *next;
1237 MonoAssemblyPreLoadFunc func;
1241 static AssemblyPreLoadHook *assembly_preload_hook = NULL;
1242 static AssemblyPreLoadHook *assembly_refonly_preload_hook = NULL;
1244 static MonoAssembly *
1245 invoke_assembly_preload_hook (MonoAssemblyName *aname, gchar **assemblies_path)
1247 AssemblyPreLoadHook *hook;
1248 MonoAssembly *assembly;
1250 for (hook = assembly_preload_hook; hook; hook = hook->next) {
1251 assembly = hook->func (aname, assemblies_path, hook->user_data);
1252 if (assembly != NULL)
1259 static MonoAssembly *
1260 invoke_assembly_refonly_preload_hook (MonoAssemblyName *aname, gchar **assemblies_path)
1262 AssemblyPreLoadHook *hook;
1263 MonoAssembly *assembly;
1265 for (hook = assembly_refonly_preload_hook; hook; hook = hook->next) {
1266 assembly = hook->func (aname, assemblies_path, hook->user_data);
1267 if (assembly != NULL)
1275 mono_install_assembly_preload_hook (MonoAssemblyPreLoadFunc func, gpointer user_data)
1277 AssemblyPreLoadHook *hook;
1279 g_return_if_fail (func != NULL);
1281 hook = g_new0 (AssemblyPreLoadHook, 1);
1283 hook->user_data = user_data;
1284 hook->next = assembly_preload_hook;
1285 assembly_preload_hook = hook;
1289 mono_install_assembly_refonly_preload_hook (MonoAssemblyPreLoadFunc func, gpointer user_data)
1291 AssemblyPreLoadHook *hook;
1293 g_return_if_fail (func != NULL);
1295 hook = g_new0 (AssemblyPreLoadHook, 1);
1297 hook->user_data = user_data;
1298 hook->next = assembly_refonly_preload_hook;
1299 assembly_refonly_preload_hook = hook;
1303 free_assembly_preload_hooks (void)
1305 AssemblyPreLoadHook *hook, *next;
1307 for (hook = assembly_preload_hook; hook; hook = next) {
1312 for (hook = assembly_refonly_preload_hook; hook; hook = next) {
1319 absolute_dir (const gchar *filename)
1330 if (g_path_is_absolute (filename)) {
1331 part = g_path_get_dirname (filename);
1332 res = g_strconcat (part, G_DIR_SEPARATOR_S, NULL);
1337 cwd = g_get_current_dir ();
1338 mixed = g_build_filename (cwd, filename, NULL);
1339 parts = g_strsplit (mixed, G_DIR_SEPARATOR_S, 0);
1344 for (i = 0; (part = parts [i]) != NULL; i++) {
1345 if (!strcmp (part, "."))
1348 if (!strcmp (part, "..")) {
1349 if (list && list->next) /* Don't remove root */
1350 list = g_list_delete_link (list, list);
1352 list = g_list_prepend (list, part);
1356 result = g_string_new ("");
1357 list = g_list_reverse (list);
1359 /* Ignores last data pointer, which should be the filename */
1360 for (tmp = list; tmp && tmp->next != NULL; tmp = tmp->next){
1362 g_string_append_printf (result, "%s%c", (char *) tmp->data,
1367 g_string_free (result, FALSE);
1372 return g_strdup (".");
1379 * mono_assembly_open_from_bundle:
1380 * @filename: Filename requested
1381 * @status: return value
1383 * This routine tries to open the assembly specified by `filename' from the
1384 * defined bundles, if found, returns the MonoImage for it, if not found
1388 mono_assembly_open_from_bundle (const char *filename, MonoImageOpenStatus *status, gboolean refonly)
1392 MonoImage *image = NULL;
1395 * we do a very simple search for bundled assemblies: it's not a general
1396 * purpose assembly loading mechanism.
1402 name = g_path_get_basename (filename);
1404 mono_assemblies_lock ();
1405 for (i = 0; !image && bundles [i]; ++i) {
1406 if (strcmp (bundles [i]->name, name) == 0) {
1407 image = mono_image_open_from_data_with_name ((char*)bundles [i]->data, bundles [i]->size, FALSE, status, refonly, name);
1411 mono_assemblies_unlock ();
1414 mono_image_addref (image);
1421 mono_assembly_open_full (const char *filename, MonoImageOpenStatus *status, gboolean refonly)
1425 MonoImageOpenStatus def_status;
1429 g_return_val_if_fail (filename != NULL, NULL);
1432 status = &def_status;
1433 *status = MONO_IMAGE_OK;
1435 if (strncmp (filename, "file://", 7) == 0) {
1436 GError *error = NULL;
1437 gchar *uri = (gchar *) filename;
1441 * MS allows file://c:/... and fails on file://localhost/c:/...
1442 * They also throw an IndexOutOfRangeException if "file://"
1445 uri = g_strdup_printf ("file:///%s", uri + 7);
1448 uri = mono_escape_uri_string (tmpuri);
1449 fname = g_filename_from_uri (uri, NULL, &error);
1452 if (tmpuri != filename)
1455 if (error != NULL) {
1456 g_warning ("%s\n", error->message);
1457 g_error_free (error);
1458 fname = g_strdup (filename);
1461 fname = g_strdup (filename);
1464 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_ASSEMBLY,
1465 "Assembly Loader probing location: '%s'.", fname);
1468 if (!mono_assembly_is_in_gac (fname))
1469 new_fname = mono_make_shadow_copy (fname);
1470 if (new_fname && new_fname != fname) {
1473 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_ASSEMBLY,
1474 "Assembly Loader shadow-copied assembly to: '%s'.", fname);
1479 if (bundles != NULL)
1480 image = mono_assembly_open_from_bundle (fname, status, refonly);
1483 image = mono_image_open_full (fname, status, refonly);
1486 if (*status == MONO_IMAGE_OK)
1487 *status = MONO_IMAGE_ERROR_ERRNO;
1492 if (image->assembly) {
1493 /* Already loaded by another appdomain */
1494 mono_assembly_invoke_load_hook (image->assembly);
1495 mono_image_close (image);
1497 return image->assembly;
1500 ass = mono_assembly_load_from_full (image, fname, status, refonly);
1503 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_ASSEMBLY,
1504 "Assembly Loader loaded assembly from location: '%s'.", filename);
1506 mono_config_for_assembly (ass->image);
1509 /* Clear the reference added by mono_image_open */
1510 mono_image_close (image);
1518 free_item (gpointer val, gpointer user_data)
1524 * mono_assembly_load_friends:
1527 * Load the list of friend assemblies that are allowed to access
1528 * the assembly's internal types and members. They are stored as assembly
1529 * names in custom attributes.
1531 * This is an internal method, we need this because when we load mscorlib
1532 * we do not have the mono_defaults.internals_visible_class loaded yet,
1533 * so we need to load these after we initialize the runtime.
1535 * LOCKING: Acquires the assemblies lock plus the loader lock.
1538 mono_assembly_load_friends (MonoAssembly* ass)
1541 MonoCustomAttrInfo* attrs;
1544 if (ass->friend_assembly_names_inited)
1547 attrs = mono_custom_attrs_from_assembly (ass);
1549 mono_assemblies_lock ();
1550 ass->friend_assembly_names_inited = TRUE;
1551 mono_assemblies_unlock ();
1555 mono_assemblies_lock ();
1556 if (ass->friend_assembly_names_inited) {
1557 mono_assemblies_unlock ();
1560 mono_assemblies_unlock ();
1564 * We build the list outside the assemblies lock, the worse that can happen
1565 * is that we'll need to free the allocated list.
1567 for (i = 0; i < attrs->num_attrs; ++i) {
1568 MonoCustomAttrEntry *attr = &attrs->attrs [i];
1569 MonoAssemblyName *aname;
1572 /* Do some sanity checking */
1573 if (!attr->ctor || attr->ctor->klass != mono_defaults.internals_visible_class)
1575 if (attr->data_size < 4)
1577 data = (const char*)attr->data;
1578 /* 0xFF means null string, see custom attr format */
1579 if (data [0] != 1 || data [1] != 0 || (data [2] & 0xFF) == 0xFF)
1581 slen = mono_metadata_decode_value (data + 2, &data);
1582 aname = g_new0 (MonoAssemblyName, 1);
1583 /*g_print ("friend ass: %s\n", data);*/
1584 if (mono_assembly_name_parse_full (data, aname, TRUE, NULL, NULL)) {
1585 list = g_slist_prepend (list, aname);
1590 mono_custom_attrs_free (attrs);
1592 mono_assemblies_lock ();
1593 if (ass->friend_assembly_names_inited) {
1594 mono_assemblies_unlock ();
1595 g_slist_foreach (list, free_item, NULL);
1596 g_slist_free (list);
1599 ass->friend_assembly_names = list;
1601 /* Because of the double checked locking pattern above */
1602 mono_memory_barrier ();
1603 ass->friend_assembly_names_inited = TRUE;
1604 mono_assemblies_unlock ();
1608 * mono_assembly_open:
1609 * @filename: Opens the assembly pointed out by this name
1610 * @status: where a status code can be returned
1612 * mono_assembly_open opens the PE-image pointed by @filename, and
1613 * loads any external assemblies referenced by it.
1615 * Return: a pointer to the MonoAssembly if @filename contains a valid
1616 * assembly or NULL on error. Details about the error are stored in the
1620 mono_assembly_open (const char *filename, MonoImageOpenStatus *status)
1622 return mono_assembly_open_full (filename, status, FALSE);
1626 mono_assembly_load_from_full (MonoImage *image, const char*fname,
1627 MonoImageOpenStatus *status, gboolean refonly)
1629 MonoAssembly *ass, *ass2;
1632 if (!image->tables [MONO_TABLE_ASSEMBLY].rows) {
1633 /* 'image' doesn't have a manifest -- maybe someone is trying to Assembly.Load a .netmodule */
1634 *status = MONO_IMAGE_IMAGE_INVALID;
1638 #if defined (HOST_WIN32)
1643 tmp_fn = g_strdup (fname);
1644 for (i = strlen (tmp_fn) - 1; i >= 0; i--) {
1645 if (tmp_fn [i] == '/')
1649 base_dir = absolute_dir (tmp_fn);
1653 base_dir = absolute_dir (fname);
1657 * Create assembly struct, and enter it into the assembly cache
1659 ass = g_new0 (MonoAssembly, 1);
1660 ass->basedir = base_dir;
1661 ass->ref_only = refonly;
1664 mono_profiler_assembly_event (ass, MONO_PROFILE_START_LOAD);
1666 mono_assembly_fill_assembly_name (image, &ass->aname);
1668 if (mono_defaults.corlib && strcmp (ass->aname.name, "mscorlib") == 0) {
1669 // MS.NET doesn't support loading other mscorlibs
1672 mono_image_addref (mono_defaults.corlib);
1673 *status = MONO_IMAGE_OK;
1674 return mono_defaults.corlib->assembly;
1677 /* Add a non-temporary reference because of ass->image */
1678 mono_image_addref (image);
1680 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);
1683 * The load hooks might take locks so we can't call them while holding the
1686 if (ass->aname.name) {
1687 ass2 = mono_assembly_invoke_search_hook_internal (&ass->aname, refonly, FALSE);
1691 mono_image_close (image);
1692 *status = MONO_IMAGE_OK;
1697 mono_assemblies_lock ();
1699 if (image->assembly) {
1701 * This means another thread has already loaded the assembly, but not yet
1702 * called the load hooks so the search hook can't find the assembly.
1704 mono_assemblies_unlock ();
1705 ass2 = image->assembly;
1708 mono_image_close (image);
1709 *status = MONO_IMAGE_OK;
1713 image->assembly = ass;
1715 loaded_assemblies = g_list_prepend (loaded_assemblies, ass);
1716 mono_assemblies_unlock ();
1719 if (image->is_module_handle)
1720 mono_image_fixup_vtable (image);
1723 mono_assembly_invoke_load_hook (ass);
1725 mono_profiler_assembly_loaded (ass, MONO_PROFILE_OK);
1731 mono_assembly_load_from (MonoImage *image, const char *fname,
1732 MonoImageOpenStatus *status)
1734 return mono_assembly_load_from_full (image, fname, status, FALSE);
1738 * mono_assembly_name_free:
1739 * @aname: assembly name to free
1741 * Frees the provided assembly name object.
1742 * (it does not frees the object itself, only the name members).
1745 mono_assembly_name_free (MonoAssemblyName *aname)
1750 g_free ((void *) aname->name);
1751 g_free ((void *) aname->culture);
1752 g_free ((void *) aname->hash_value);
1756 parse_public_key (const gchar *key, gchar** pubkey, gboolean *is_ecma)
1759 gchar header [16], val, *arr;
1760 gint i, j, offset, bitlen, keylen, pkeylen;
1762 keylen = strlen (key) >> 1;
1766 /* allow the ECMA standard key */
1767 if (strcmp (key, "00000000000000000400000000000000") == 0) {
1769 *pubkey = g_strdup (key);
1775 val = g_ascii_xdigit_value (key [0]) << 4;
1776 val |= g_ascii_xdigit_value (key [1]);
1781 val = g_ascii_xdigit_value (key [24]);
1782 val |= g_ascii_xdigit_value (key [25]);
1794 /* We need the first 16 bytes
1795 * to check whether this key is valid or not */
1796 pkeylen = strlen (pkey) >> 1;
1800 for (i = 0, j = 0; i < 16; i++) {
1801 header [i] = g_ascii_xdigit_value (pkey [j++]) << 4;
1802 header [i] |= g_ascii_xdigit_value (pkey [j++]);
1805 if (header [0] != 0x06 || /* PUBLICKEYBLOB (0x06) */
1806 header [1] != 0x02 || /* Version (0x02) */
1807 header [2] != 0x00 || /* Reserved (word) */
1808 header [3] != 0x00 ||
1809 (guint)(read32 (header + 8)) != 0x31415352) /* DWORD magic = RSA1 */
1812 /* Based on this length, we _should_ be able to know if the length is right */
1813 bitlen = read32 (header + 12) >> 3;
1814 if ((bitlen + 16 + 4) != pkeylen)
1817 /* parsing is OK and the public key itself is not requested back */
1821 /* Encode the size of the blob */
1823 if (keylen <= 127) {
1824 arr = g_malloc (keylen + 1);
1825 arr [offset++] = keylen;
1827 arr = g_malloc (keylen + 2);
1828 arr [offset++] = 0x80; /* 10bs */
1829 arr [offset++] = keylen;
1832 for (i = offset, j = 0; i < keylen + offset; i++) {
1833 arr [i] = g_ascii_xdigit_value (key [j++]) << 4;
1834 arr [i] |= g_ascii_xdigit_value (key [j++]);
1843 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)
1845 gint major, minor, build, revision;
1848 gchar *pkey, *pkeyptr, *encoded, tok [8];
1850 memset (aname, 0, sizeof (MonoAssemblyName));
1853 version_parts = sscanf (version, "%u.%u.%u.%u", &major, &minor, &build, &revision);
1854 if (version_parts < 2 || version_parts > 4)
1857 /* FIXME: we should set build & revision to -1 (instead of 0)
1858 if these are not set in the version string. That way, later on,
1859 we can still determine if these were specified. */
1860 aname->major = major;
1861 aname->minor = minor;
1862 if (version_parts >= 3)
1863 aname->build = build;
1866 if (version_parts == 4)
1867 aname->revision = revision;
1869 aname->revision = 0;
1872 aname->flags = flags;
1874 aname->name = g_strdup (name);
1877 if (g_ascii_strcasecmp (culture, "neutral") == 0)
1878 aname->culture = g_strdup ("");
1880 aname->culture = g_strdup (culture);
1883 if (token && strncmp (token, "null", 4) != 0) {
1886 /* the constant includes the ending NULL, hence the -1 */
1887 if (strlen (token) != (MONO_PUBLIC_KEY_TOKEN_LENGTH - 1)) {
1888 mono_assembly_name_free (aname);
1891 lower = g_ascii_strdown (token, MONO_PUBLIC_KEY_TOKEN_LENGTH);
1892 g_strlcpy ((char*)aname->public_key_token, lower, MONO_PUBLIC_KEY_TOKEN_LENGTH);
1898 if (strcmp (key, "null") == 0 || !parse_public_key (key, &pkey, &is_ecma)) {
1899 mono_assembly_name_free (aname);
1904 if (save_public_key)
1905 aname->public_key = (guint8*)pkey;
1908 g_strlcpy ((gchar*)aname->public_key_token, "b77a5c561934e089", MONO_PUBLIC_KEY_TOKEN_LENGTH);
1912 len = mono_metadata_decode_blob_size ((const gchar *) pkey, (const gchar **) &pkeyptr);
1913 // We also need to generate the key token
1914 mono_digest_get_public_token ((guchar*) tok, (guint8*) pkeyptr, len);
1915 encoded = encode_public_tok ((guchar*) tok, 8);
1916 g_strlcpy ((gchar*)aname->public_key_token, encoded, MONO_PUBLIC_KEY_TOKEN_LENGTH);
1919 if (save_public_key)
1920 aname->public_key = (guint8*) pkey;
1929 parse_assembly_directory_name (const char *name, const char *dirname, MonoAssemblyName *aname)
1934 parts = g_strsplit (dirname, "_", 3);
1935 if (!parts || !parts[0] || !parts[1] || !parts[2]) {
1940 res = build_assembly_name (name, parts[0], parts[1], parts[2], NULL, 0, 0, aname, FALSE);
1946 split_key_value (const gchar *pair, gchar **key, guint32 *keylen, gchar **value)
1948 char *eqsign = strchr (pair, '=');
1956 *key = (gchar*)pair;
1957 *keylen = eqsign - *key;
1958 while (*keylen > 0 && g_ascii_isspace ((*key) [*keylen - 1]))
1960 *value = g_strstrip (eqsign + 1);
1965 mono_assembly_name_parse_full (const char *name, MonoAssemblyName *aname, gboolean save_public_key, gboolean *is_version_defined, gboolean *is_token_defined)
1968 gchar *version = NULL;
1969 gchar *culture = NULL;
1970 gchar *token = NULL;
1972 gchar *retargetable = NULL;
1974 gchar *value, *part_name;
1975 guint32 part_name_len;
1978 gboolean version_defined;
1979 gboolean token_defined;
1981 guint32 arch = MONO_PROCESSOR_ARCHITECTURE_NONE;
1983 if (!is_version_defined)
1984 is_version_defined = &version_defined;
1985 *is_version_defined = FALSE;
1986 if (!is_token_defined)
1987 is_token_defined = &token_defined;
1988 *is_token_defined = FALSE;
1990 parts = tmp = g_strsplit (name, ",", 6);
1991 if (!tmp || !*tmp) {
1996 dllname = g_strstrip (*tmp);
2001 if (!split_key_value (g_strstrip (*tmp), &part_name, &part_name_len, &value))
2002 goto cleanup_and_fail;
2004 if (part_name_len == 7 && !g_ascii_strncasecmp (part_name, "Version", part_name_len)) {
2005 *is_version_defined = TRUE;
2007 if (strlen (version) == 0) {
2008 goto cleanup_and_fail;
2014 if (part_name_len == 7 && !g_ascii_strncasecmp (part_name, "Culture", part_name_len)) {
2016 if (strlen (culture) == 0) {
2017 goto cleanup_and_fail;
2023 if (part_name_len == 14 && !g_ascii_strncasecmp (part_name, "PublicKeyToken", part_name_len)) {
2024 *is_token_defined = TRUE;
2026 if (strlen (token) == 0) {
2027 goto cleanup_and_fail;
2033 if (part_name_len == 9 && !g_ascii_strncasecmp (part_name, "PublicKey", part_name_len)) {
2035 if (strlen (key) == 0) {
2036 goto cleanup_and_fail;
2042 if (part_name_len == 12 && !g_ascii_strncasecmp (part_name, "Retargetable", part_name_len)) {
2043 retargetable = value;
2044 if (strlen (retargetable) == 0) {
2045 goto cleanup_and_fail;
2047 if (!g_ascii_strcasecmp (retargetable, "yes")) {
2048 flags |= ASSEMBLYREF_RETARGETABLE_FLAG;
2049 } else if (g_ascii_strcasecmp (retargetable, "no")) {
2050 goto cleanup_and_fail;
2056 if (part_name_len == 21 && !g_ascii_strncasecmp (part_name, "ProcessorArchitecture", part_name_len)) {
2057 if (!g_ascii_strcasecmp (value, "None"))
2058 arch = MONO_PROCESSOR_ARCHITECTURE_NONE;
2059 else if (!g_ascii_strcasecmp (value, "MSIL"))
2060 arch = MONO_PROCESSOR_ARCHITECTURE_MSIL;
2061 else if (!g_ascii_strcasecmp (value, "X86"))
2062 arch = MONO_PROCESSOR_ARCHITECTURE_X86;
2063 else if (!g_ascii_strcasecmp (value, "IA64"))
2064 arch = MONO_PROCESSOR_ARCHITECTURE_IA64;
2065 else if (!g_ascii_strcasecmp (value, "AMD64"))
2066 arch = MONO_PROCESSOR_ARCHITECTURE_AMD64;
2068 goto cleanup_and_fail;
2077 /* if retargetable flag is set, then we must have a fully qualified name */
2078 if (retargetable != NULL && (version == NULL || culture == NULL || (key == NULL && token == NULL))) {
2079 goto cleanup_and_fail;
2082 res = build_assembly_name (dllname, version, culture, token, key, flags, arch,
2083 aname, save_public_key);
2093 * mono_assembly_name_parse:
2094 * @name: name to parse
2095 * @aname: the destination assembly name
2097 * Parses an assembly qualified type name and assigns the name,
2098 * version, culture and token to the provided assembly name object.
2100 * Returns: true if the name could be parsed.
2103 mono_assembly_name_parse (const char *name, MonoAssemblyName *aname)
2105 return mono_assembly_name_parse_full (name, aname, FALSE, NULL, NULL);
2109 * mono_assembly_name_new:
2110 * @name: name to parse
2112 * Allocate a new MonoAssemblyName and fill its values from the
2115 * Returns: a newly allocated structure or NULL if there was any failure.
2118 mono_assembly_name_new (const char *name)
2120 MonoAssemblyName *aname = g_new0 (MonoAssemblyName, 1);
2121 if (mono_assembly_name_parse (name, aname))
2128 mono_assembly_name_get_name (MonoAssemblyName *aname)
2134 mono_assembly_name_get_culture (MonoAssemblyName *aname)
2136 return aname->culture;
2140 mono_assembly_name_get_pubkeytoken (MonoAssemblyName *aname)
2142 if (aname->public_key_token [0])
2143 return aname->public_key_token;
2148 mono_assembly_name_get_version (MonoAssemblyName *aname, uint16_t *minor, uint16_t *build, uint16_t *revision)
2151 *minor = aname->minor;
2153 *build = aname->build;
2155 *revision = aname->revision;
2156 return aname->major;
2159 static MonoAssembly*
2160 probe_for_partial_name (const char *basepath, const char *fullname, MonoAssemblyName *aname, MonoImageOpenStatus *status)
2162 gchar *fullpath = NULL;
2164 const char* direntry;
2165 MonoAssemblyName gac_aname;
2166 gint major=-1, minor=0, build=0, revision=0;
2167 gboolean exact_version;
2169 dirhandle = g_dir_open (basepath, 0, NULL);
2173 exact_version = (aname->major | aname->minor | aname->build | aname->revision) != 0;
2175 while ((direntry = g_dir_read_name (dirhandle))) {
2176 gboolean match = TRUE;
2178 if(!parse_assembly_directory_name (aname->name, direntry, &gac_aname))
2181 if (aname->culture != NULL && strcmp (aname->culture, gac_aname.culture) != 0)
2184 if (match && strlen ((char*)aname->public_key_token) > 0 &&
2185 !mono_public_tokens_are_equal (aname->public_key_token, gac_aname.public_key_token))
2189 if (exact_version) {
2190 match = (aname->major == gac_aname.major && aname->minor == gac_aname.minor &&
2191 aname->build == gac_aname.build && aname->revision == gac_aname.revision);
2193 else if (gac_aname.major < major)
2195 else if (gac_aname.major == major) {
2196 if (gac_aname.minor < minor)
2198 else if (gac_aname.minor == minor) {
2199 if (gac_aname.build < build)
2201 else if (gac_aname.build == build && gac_aname.revision <= revision)
2208 major = gac_aname.major;
2209 minor = gac_aname.minor;
2210 build = gac_aname.build;
2211 revision = gac_aname.revision;
2213 fullpath = g_build_path (G_DIR_SEPARATOR_S, basepath, direntry, fullname, NULL);
2216 mono_assembly_name_free (&gac_aname);
2219 g_dir_close (dirhandle);
2221 if (fullpath == NULL)
2224 MonoAssembly *res = mono_assembly_open (fullpath, status);
2231 mono_assembly_load_with_partial_name (const char *name, MonoImageOpenStatus *status)
2234 MonoAssemblyName *aname, base_name;
2235 MonoAssemblyName mapped_aname;
2236 gchar *fullname, *gacpath;
2239 memset (&base_name, 0, sizeof (MonoAssemblyName));
2242 if (!mono_assembly_name_parse (name, aname))
2246 * If no specific version has been requested, make sure we load the
2247 * correct version for system assemblies.
2249 if ((aname->major | aname->minor | aname->build | aname->revision) == 0)
2250 aname = mono_assembly_remap_version (aname, &mapped_aname);
2252 res = mono_assembly_loaded (aname);
2254 mono_assembly_name_free (aname);
2258 res = invoke_assembly_preload_hook (aname, assemblies_path);
2260 res->in_gac = FALSE;
2261 mono_assembly_name_free (aname);
2265 fullname = g_strdup_printf ("%s.dll", aname->name);
2267 if (extra_gac_paths) {
2268 paths = extra_gac_paths;
2269 while (!res && *paths) {
2270 gacpath = g_build_path (G_DIR_SEPARATOR_S, *paths, "lib", "mono", "gac", aname->name, NULL);
2271 res = probe_for_partial_name (gacpath, fullname, aname, status);
2280 mono_assembly_name_free (aname);
2284 gacpath = g_build_path (G_DIR_SEPARATOR_S, mono_assembly_getrootdir (), "mono", "gac", aname->name, NULL);
2285 res = probe_for_partial_name (gacpath, fullname, aname, status);
2291 MonoDomain *domain = mono_domain_get ();
2292 MonoReflectionAssembly *refasm = mono_try_assembly_resolve (domain, mono_string_new (domain, name), FALSE);
2294 res = refasm->assembly;
2298 mono_assembly_name_free (aname);
2304 mono_assembly_is_in_gac (const gchar *filename)
2306 const gchar *rootdir;
2310 if (filename == NULL)
2313 for (paths = extra_gac_paths; paths && *paths; paths++) {
2314 if (strstr (*paths, filename) != *paths)
2317 gp = (gchar *) (filename + strlen (*paths));
2318 if (*gp != G_DIR_SEPARATOR)
2321 if (strncmp (gp, "lib", 3))
2324 if (*gp != G_DIR_SEPARATOR)
2327 if (strncmp (gp, "mono", 4))
2330 if (*gp != G_DIR_SEPARATOR)
2333 if (strncmp (gp, "gac", 3))
2336 if (*gp != G_DIR_SEPARATOR)
2342 rootdir = mono_assembly_getrootdir ();
2343 if (strstr (filename, rootdir) != filename)
2346 gp = (gchar *) (filename + strlen (rootdir));
2347 if (*gp != G_DIR_SEPARATOR)
2350 if (strncmp (gp, "mono", 4))
2353 if (*gp != G_DIR_SEPARATOR)
2356 if (strncmp (gp, "gac", 3))
2359 if (*gp != G_DIR_SEPARATOR)
2365 mono_assembly_load_publisher_policy (MonoAssemblyName *aname)
2368 gchar *filename, *pname, *name, *culture, *version, *fullpath, *subpath;
2372 if (strstr (aname->name, ".dll")) {
2373 len = strlen (aname->name) - 4;
2374 name = g_malloc (len);
2375 strncpy (name, aname->name, len);
2377 name = g_strdup (aname->name);
2380 culture = g_utf8_strdown (aname->culture, -1);
2382 culture = g_strdup ("");
2384 pname = g_strdup_printf ("policy.%d.%d.%s", aname->major, aname->minor, name);
2385 version = g_strdup_printf ("0.0.0.0_%s_%s", culture, aname->public_key_token);
2389 filename = g_strconcat (pname, ".dll", NULL);
2390 subpath = g_build_path (G_DIR_SEPARATOR_S, pname, version, filename, NULL);
2396 if (extra_gac_paths) {
2397 paths = extra_gac_paths;
2398 while (!image && *paths) {
2399 fullpath = g_build_path (G_DIR_SEPARATOR_S, *paths,
2400 "lib", "mono", "gac", subpath, NULL);
2401 image = mono_image_open (fullpath, NULL);
2412 fullpath = g_build_path (G_DIR_SEPARATOR_S, mono_assembly_getrootdir (),
2413 "mono", "gac", subpath, NULL);
2414 image = mono_image_open (fullpath, NULL);
2421 static MonoAssemblyName*
2422 mono_assembly_bind_version (MonoAssemblyBindingInfo *info, MonoAssemblyName *aname, MonoAssemblyName *dest_name)
2424 memcpy (dest_name, aname, sizeof (MonoAssemblyName));
2425 dest_name->major = info->new_version.major;
2426 dest_name->minor = info->new_version.minor;
2427 dest_name->build = info->new_version.build;
2428 dest_name->revision = info->new_version.revision;
2433 /* LOCKING: Assumes that we are already locked */
2434 static MonoAssemblyBindingInfo*
2435 search_binding_loaded (MonoAssemblyName *aname)
2439 for (tmp = loaded_assembly_bindings; tmp; tmp = tmp->next) {
2440 MonoAssemblyBindingInfo *info = tmp->data;
2441 if (assembly_binding_maps_name (info, aname))
2448 static inline gboolean
2449 info_compare_versions (AssemblyVersionSet *left, AssemblyVersionSet *right)
2451 if (left->major != right->major || left->minor != right->minor ||
2452 left->build != right->build || left->revision != right->revision)
2458 static inline gboolean
2459 info_versions_equal (MonoAssemblyBindingInfo *left, MonoAssemblyBindingInfo *right)
2461 if (left->has_old_version_bottom != right->has_old_version_bottom)
2464 if (left->has_old_version_top != right->has_old_version_top)
2467 if (left->has_new_version != right->has_new_version)
2470 if (left->has_old_version_bottom && !info_compare_versions (&left->old_version_bottom, &right->old_version_bottom))
2473 if (left->has_old_version_top && !info_compare_versions (&left->old_version_top, &right->old_version_top))
2476 if (left->has_new_version && !info_compare_versions (&left->new_version, &right->new_version))
2482 /* LOCKING: assumes all the necessary locks are held */
2484 assembly_binding_info_parsed (MonoAssemblyBindingInfo *info, void *user_data)
2486 MonoAssemblyBindingInfo *info_copy;
2488 MonoAssemblyBindingInfo *info_tmp;
2489 MonoDomain *domain = (MonoDomain*)user_data;
2494 for (tmp = domain->assembly_bindings; tmp; tmp = tmp->next) {
2495 info_tmp = tmp->data;
2496 if (strcmp (info->name, info_tmp->name) == 0 && info_versions_equal (info, info_tmp))
2500 info_copy = mono_mempool_alloc0 (domain->mp, sizeof (MonoAssemblyBindingInfo));
2501 memcpy (info_copy, info, sizeof (MonoAssemblyBindingInfo));
2503 info_copy->name = mono_mempool_strdup (domain->mp, info->name);
2505 info_copy->culture = mono_mempool_strdup (domain->mp, info->culture);
2507 domain->assembly_bindings = g_slist_append_mempool (domain->mp, domain->assembly_bindings, info_copy);
2510 static inline gboolean
2511 info_major_minor_in_range (MonoAssemblyBindingInfo *info, MonoAssemblyName *aname)
2513 if (!info->has_old_version_bottom)
2516 if (info->old_version_bottom.major > aname->major || info->old_version_bottom.minor > aname->minor)
2519 if (info->has_old_version_top && (info->old_version_top.major < aname->major || info->old_version_top.minor < aname->minor))
2522 /* This is not the nicest way to do it, but it's a by-product of the way parsing is done */
2523 info->major = aname->major;
2524 info->minor = aname->minor;
2529 /* LOCKING: Assumes that we are already locked - both loader and domain locks */
2530 static MonoAssemblyBindingInfo*
2531 get_per_domain_assembly_binding_info (MonoDomain *domain, MonoAssemblyName *aname)
2533 MonoAssemblyBindingInfo *info;
2536 if (!domain->assembly_bindings)
2540 for (list = domain->assembly_bindings; list; list = list->next) {
2542 if (info && !strcmp (aname->name, info->name) && info_major_minor_in_range (info, aname))
2548 if (info->name && info->public_key_token [0] && info->has_old_version_bottom &&
2549 info->has_new_version && assembly_binding_maps_name (info, aname))
2550 info->is_valid = TRUE;
2552 info->is_valid = FALSE;
2558 static MonoAssemblyName*
2559 mono_assembly_apply_binding (MonoAssemblyName *aname, MonoAssemblyName *dest_name)
2561 MonoAssemblyBindingInfo *info, *info2;
2565 if (aname->public_key_token [0] == 0)
2568 domain = mono_domain_get ();
2569 mono_loader_lock ();
2570 info = search_binding_loaded (aname);
2572 mono_domain_lock (domain);
2573 info = get_per_domain_assembly_binding_info (domain, aname);
2574 mono_domain_unlock (domain);
2577 mono_loader_unlock ();
2579 if (!check_policy_versions (info, aname))
2582 mono_assembly_bind_version (info, aname, dest_name);
2586 if (domain && domain->setup && domain->setup->configuration_file) {
2587 mono_domain_lock (domain);
2588 if (!domain->assembly_bindings_parsed) {
2589 gchar *domain_config_file_name = mono_string_to_utf8 (domain->setup->configuration_file);
2590 gchar *domain_config_file_path = mono_portability_find_file (domain_config_file_name, TRUE);
2592 if (!domain_config_file_path)
2593 domain_config_file_path = domain_config_file_name;
2595 mono_config_parse_assembly_bindings (domain_config_file_path, aname->major, aname->minor, domain, assembly_binding_info_parsed);
2596 domain->assembly_bindings_parsed = TRUE;
2597 if (domain_config_file_name != domain_config_file_path)
2598 g_free (domain_config_file_name);
2599 g_free (domain_config_file_path);
2601 mono_domain_unlock (domain);
2603 mono_loader_lock ();
2604 mono_domain_lock (domain);
2605 info2 = get_per_domain_assembly_binding_info (domain, aname);
2608 info = g_memdup (info2, sizeof (MonoAssemblyBindingInfo));
2609 info->name = g_strdup (info2->name);
2610 info->culture = g_strdup (info2->culture);
2611 info->domain_id = domain->domain_id;
2614 mono_domain_unlock (domain);
2615 mono_loader_unlock ();
2619 info = g_new0 (MonoAssemblyBindingInfo, 1);
2620 info->major = aname->major;
2621 info->minor = aname->minor;
2624 if (!info->is_valid) {
2625 ppimage = mono_assembly_load_publisher_policy (aname);
2627 get_publisher_policy_info (ppimage, aname, info);
2628 mono_image_close (ppimage);
2632 /* Define default error value if needed */
2633 if (!info->is_valid) {
2634 info->name = g_strdup (aname->name);
2635 info->culture = g_strdup (aname->culture);
2636 g_strlcpy ((char *)info->public_key_token, (const char *)aname->public_key_token, MONO_PUBLIC_KEY_TOKEN_LENGTH);
2639 mono_loader_lock ();
2640 info2 = search_binding_loaded (aname);
2642 /* This binding was added by another thread
2644 mono_assembly_binding_info_free (info);
2649 loaded_assembly_bindings = g_slist_prepend (loaded_assembly_bindings, info);
2651 mono_loader_unlock ();
2653 if (!info->is_valid || !check_policy_versions (info, aname))
2656 mono_assembly_bind_version (info, aname, dest_name);
2661 * mono_assembly_load_from_gac
2663 * @aname: The assembly name object
2665 static MonoAssembly*
2666 mono_assembly_load_from_gac (MonoAssemblyName *aname, gchar *filename, MonoImageOpenStatus *status, MonoBoolean refonly)
2668 MonoAssembly *result = NULL;
2669 gchar *name, *version, *culture, *fullpath, *subpath;
2674 if (aname->public_key_token [0] == 0) {
2678 if (strstr (aname->name, ".dll")) {
2679 len = strlen (filename) - 4;
2680 name = g_malloc (len);
2681 strncpy (name, aname->name, len);
2683 name = g_strdup (aname->name);
2686 if (aname->culture) {
2687 culture = g_utf8_strdown (aname->culture, -1);
2689 culture = g_strdup ("");
2692 pubtok = g_ascii_strdown ((char*)aname->public_key_token, MONO_PUBLIC_KEY_TOKEN_LENGTH);
2693 version = g_strdup_printf ("%d.%d.%d.%d_%s_%s", aname->major,
2694 aname->minor, aname->build, aname->revision,
2698 subpath = g_build_path (G_DIR_SEPARATOR_S, name, version, filename, NULL);
2703 if (extra_gac_paths) {
2704 paths = extra_gac_paths;
2705 while (!result && *paths) {
2706 fullpath = g_build_path (G_DIR_SEPARATOR_S, *paths, "lib", "mono", "gac", subpath, NULL);
2707 result = mono_assembly_open_full (fullpath, status, refonly);
2714 result->in_gac = TRUE;
2719 fullpath = g_build_path (G_DIR_SEPARATOR_S, mono_assembly_getrootdir (),
2720 "mono", "gac", subpath, NULL);
2721 result = mono_assembly_open_full (fullpath, status, refonly);
2725 result->in_gac = TRUE;
2733 mono_assembly_load_corlib (const MonoRuntimeInfo *runtime, MonoImageOpenStatus *status)
2736 MonoAssemblyName *aname;
2739 /* g_print ("corlib already loaded\n"); */
2743 #if defined(__native_client__)
2744 if (corlibData != NULL && corlibSize != 0) {
2746 /* First "FALSE" instructs mono not to make a copy. */
2747 /* Second "FALSE" says this is not just a ref. */
2748 MonoImage* image = mono_image_open_from_data_full (corlibData, corlibSize, FALSE, &status, FALSE);
2749 if (image == NULL || status != 0)
2750 g_print("mono_image_open_from_data_full failed: %d\n", status);
2751 corlib = mono_assembly_load_from_full (image, "mscorlib", &status, FALSE);
2752 if (corlib == NULL || status != 0)
2753 g_print ("mono_assembly_load_from_full failed: %d\n", status);
2759 aname = mono_assembly_name_new ("mscorlib.dll");
2760 corlib = invoke_assembly_preload_hook (aname, assemblies_path);
2761 mono_assembly_name_free (aname);
2766 if (assemblies_path) {
2767 corlib = load_in_path ("mscorlib.dll", (const char**)assemblies_path, status, FALSE);
2772 /* Load corlib from mono/<version> */
2774 corlib_file = g_build_filename ("mono", runtime->framework_version, "mscorlib.dll", NULL);
2775 if (assemblies_path) {
2776 corlib = load_in_path (corlib_file, (const char**)assemblies_path, status, FALSE);
2778 g_free (corlib_file);
2782 corlib = load_in_path (corlib_file, default_path, status, FALSE);
2783 g_free (corlib_file);
2789 mono_assembly_load_full_nosearch (MonoAssemblyName *aname,
2790 const char *basedir,
2791 MonoImageOpenStatus *status,
2794 MonoAssembly *result;
2795 char *fullpath, *filename;
2796 MonoAssemblyName maped_aname;
2797 MonoAssemblyName maped_name_pp;
2802 aname = mono_assembly_remap_version (aname, &maped_aname);
2804 /* Reflection only assemblies don't get assembly binding */
2806 aname = mono_assembly_apply_binding (aname, &maped_name_pp);
2808 result = mono_assembly_loaded_full (aname, refonly);
2812 result = refonly ? invoke_assembly_refonly_preload_hook (aname, assemblies_path) : invoke_assembly_preload_hook (aname, assemblies_path);
2814 result->in_gac = FALSE;
2818 /* Currently we retrieve the loaded corlib for reflection
2819 * only requests, like a common reflection only assembly
2821 if (strcmp (aname->name, "mscorlib") == 0 || strcmp (aname->name, "mscorlib.dll") == 0) {
2822 return mono_assembly_load_corlib (mono_get_runtime_info (), status);
2825 len = strlen (aname->name);
2826 for (ext_index = 0; ext_index < 2; ext_index ++) {
2827 ext = ext_index == 0 ? ".dll" : ".exe";
2828 if (len > 4 && (!strcmp (aname->name + len - 4, ".dll") || !strcmp (aname->name + len - 4, ".exe"))) {
2829 filename = g_strdup (aname->name);
2830 /* Don't try appending .dll/.exe if it already has one of those extensions */
2833 filename = g_strconcat (aname->name, ext, NULL);
2836 result = mono_assembly_load_from_gac (aname, filename, status, refonly);
2843 fullpath = g_build_filename (basedir, filename, NULL);
2844 result = mono_assembly_open_full (fullpath, status, refonly);
2847 result->in_gac = FALSE;
2853 result = load_in_path (filename, default_path, status, refonly);
2855 result->in_gac = FALSE;
2865 * mono_assembly_load_full:
2866 * @aname: A MonoAssemblyName with the assembly name to load.
2867 * @basedir: A directory to look up the assembly at.
2868 * @status: a pointer to a MonoImageOpenStatus to return the status of the load operation
2869 * @refonly: Whether this assembly is being opened in "reflection-only" mode.
2871 * Loads the assembly referenced by @aname, if the value of @basedir is not NULL, it
2872 * attempts to load the assembly from that directory before probing the standard locations.
2874 * If the assembly is being opened in reflection-only mode (@refonly set to TRUE) then no
2875 * assembly binding takes place.
2877 * Returns: the assembly referenced by @aname loaded or NULL on error. On error the
2878 * value pointed by status is updated with an error code.
2881 mono_assembly_load_full (MonoAssemblyName *aname, const char *basedir, MonoImageOpenStatus *status, gboolean refonly)
2883 MonoAssembly *result = mono_assembly_load_full_nosearch (aname, basedir, status, refonly);
2886 /* Try a postload search hook */
2887 result = mono_assembly_invoke_search_hook_internal (aname, refonly, TRUE);
2892 * mono_assembly_load:
2893 * @aname: A MonoAssemblyName with the assembly name to load.
2894 * @basedir: A directory to look up the assembly at.
2895 * @status: a pointer to a MonoImageOpenStatus to return the status of the load operation
2897 * Loads the assembly referenced by @aname, if the value of @basedir is not NULL, it
2898 * attempts to load the assembly from that directory before probing the standard locations.
2900 * Returns: the assembly referenced by @aname loaded or NULL on error. On error the
2901 * value pointed by status is updated with an error code.
2904 mono_assembly_load (MonoAssemblyName *aname, const char *basedir, MonoImageOpenStatus *status)
2906 return mono_assembly_load_full (aname, basedir, status, FALSE);
2910 mono_assembly_loaded_full (MonoAssemblyName *aname, gboolean refonly)
2913 MonoAssemblyName maped_aname;
2915 aname = mono_assembly_remap_version (aname, &maped_aname);
2917 res = mono_assembly_invoke_search_hook_internal (aname, refonly, FALSE);
2923 * mono_assembly_loaded:
2924 * @aname: an assembly to look for.
2926 * Returns: NULL If the given @aname assembly has not been loaded, or a pointer to
2927 * a MonoAssembly that matches the MonoAssemblyName specified.
2930 mono_assembly_loaded (MonoAssemblyName *aname)
2932 return mono_assembly_loaded_full (aname, FALSE);
2936 mono_assembly_release_gc_roots (MonoAssembly *assembly)
2938 if (assembly == NULL || assembly == REFERENCE_MISSING)
2941 if (assembly->dynamic) {
2943 MonoDynamicImage *dynimg = (MonoDynamicImage *)assembly->image;
2944 for (i = 0; i < dynimg->image.module_count; ++i)
2945 mono_dynamic_image_release_gc_roots ((MonoDynamicImage *)dynimg->image.modules [i]);
2946 mono_dynamic_image_release_gc_roots (dynimg);
2951 * Returns whether mono_assembly_close_finish() must be called as
2952 * well. See comment for mono_image_close_except_pools() for why we
2953 * unload in two steps.
2956 mono_assembly_close_except_image_pools (MonoAssembly *assembly)
2959 g_return_val_if_fail (assembly != NULL, FALSE);
2961 if (assembly == REFERENCE_MISSING)
2964 /* Might be 0 already */
2965 if (InterlockedDecrement (&assembly->ref_count) > 0)
2968 mono_profiler_assembly_event (assembly, MONO_PROFILE_START_UNLOAD);
2970 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_ASSEMBLY, "Unloading assembly %s [%p].", assembly->aname.name, assembly);
2972 mono_debug_close_image (assembly->image);
2974 mono_assemblies_lock ();
2975 loaded_assemblies = g_list_remove (loaded_assemblies, assembly);
2976 mono_assemblies_unlock ();
2978 assembly->image->assembly = NULL;
2980 if (!mono_image_close_except_pools (assembly->image))
2981 assembly->image = NULL;
2983 for (tmp = assembly->friend_assembly_names; tmp; tmp = tmp->next) {
2984 MonoAssemblyName *fname = tmp->data;
2985 mono_assembly_name_free (fname);
2988 g_slist_free (assembly->friend_assembly_names);
2989 g_free (assembly->basedir);
2991 mono_profiler_assembly_event (assembly, MONO_PROFILE_END_UNLOAD);
2997 mono_assembly_close_finish (MonoAssembly *assembly)
2999 g_assert (assembly && assembly != REFERENCE_MISSING);
3001 if (assembly->image)
3002 mono_image_close_finish (assembly->image);
3004 if (assembly->dynamic) {
3005 g_free ((char*)assembly->aname.culture);
3012 * mono_assembly_close:
3013 * @assembly: the assembly to release.
3015 * This method releases a reference to the @assembly. The assembly is
3016 * only released when all the outstanding references to it are released.
3019 mono_assembly_close (MonoAssembly *assembly)
3021 if (mono_assembly_close_except_image_pools (assembly))
3022 mono_assembly_close_finish (assembly);
3026 mono_assembly_load_module (MonoAssembly *assembly, guint32 idx)
3028 return mono_image_load_file_for_image (assembly->image, idx);
3032 mono_assembly_foreach (GFunc func, gpointer user_data)
3037 * We make a copy of the list to avoid calling the callback inside the
3038 * lock, which could lead to deadlocks.
3040 mono_assemblies_lock ();
3041 copy = g_list_copy (loaded_assemblies);
3042 mono_assemblies_unlock ();
3044 g_list_foreach (loaded_assemblies, func, user_data);
3050 * mono_assemblies_cleanup:
3052 * Free all resources used by this module.
3055 mono_assemblies_cleanup (void)
3059 DeleteCriticalSection (&assemblies_mutex);
3061 for (l = loaded_assembly_bindings; l; l = l->next) {
3062 MonoAssemblyBindingInfo *info = l->data;
3064 mono_assembly_binding_info_free (info);
3067 g_slist_free (loaded_assembly_bindings);
3069 free_assembly_load_hooks ();
3070 free_assembly_search_hooks ();
3071 free_assembly_preload_hooks ();
3074 /*LOCKING assumes loader lock is held*/
3076 mono_assembly_cleanup_domain_bindings (guint32 domain_id)
3078 GSList **iter = &loaded_assembly_bindings;
3082 MonoAssemblyBindingInfo *info = l->data;
3084 if (info->domain_id == domain_id) {
3086 mono_assembly_binding_info_free (info);
3096 * Holds the assembly of the application, for
3097 * System.Diagnostics.Process::MainModule
3099 static MonoAssembly *main_assembly=NULL;
3102 mono_assembly_set_main (MonoAssembly *assembly)
3104 main_assembly = assembly;
3108 * mono_assembly_get_main:
3110 * Returns: the assembly for the application, the first assembly that is loaded by the VM
3113 mono_assembly_get_main (void)
3115 return (main_assembly);
3119 * mono_assembly_get_image:
3120 * @assembly: The assembly to retrieve the image from
3122 * Returns: the MonoImage associated with this assembly.
3125 mono_assembly_get_image (MonoAssembly *assembly)
3127 return assembly->image;
3131 mono_register_bundled_assemblies (const MonoBundledAssembly **assemblies)
3133 bundles = assemblies;
3136 #define MONO_DECLSEC_FORMAT_10 0x3C
3137 #define MONO_DECLSEC_FORMAT_20 0x2E
3138 #define MONO_DECLSEC_FIELD 0x53
3139 #define MONO_DECLSEC_PROPERTY 0x54
3141 #define SKIP_VISIBILITY_XML_ATTRIBUTE ("\"SkipVerification\"")
3142 #define SKIP_VISIBILITY_ATTRIBUTE_NAME ("System.Security.Permissions.SecurityPermissionAttribute")
3143 #define SKIP_VISIBILITY_ATTRIBUTE_SIZE (sizeof (SKIP_VISIBILITY_ATTRIBUTE_NAME) - 1)
3144 #define SKIP_VISIBILITY_PROPERTY_NAME ("SkipVerification")
3145 #define SKIP_VISIBILITY_PROPERTY_SIZE (sizeof (SKIP_VISIBILITY_PROPERTY_NAME) - 1)
3148 mono_assembly_try_decode_skip_verification_param (const char *p, const char **resp, gboolean *abort_decoding)
3152 case MONO_DECLSEC_PROPERTY:
3154 case MONO_DECLSEC_FIELD:
3156 *abort_decoding = TRUE;
3161 if (*p++ != MONO_TYPE_BOOLEAN) {
3162 *abort_decoding = TRUE;
3166 /* property name length */
3167 len = mono_metadata_decode_value (p, &p);
3169 if (len >= SKIP_VISIBILITY_PROPERTY_SIZE && !memcmp (p, SKIP_VISIBILITY_PROPERTY_NAME, SKIP_VISIBILITY_PROPERTY_SIZE)) {
3180 mono_assembly_try_decode_skip_verification (const char *p, const char *endn)
3182 int i, j, num, len, params_len;
3184 if (*p == MONO_DECLSEC_FORMAT_10) {
3185 gsize read, written;
3186 char *res = g_convert (p, endn - p, "UTF-8", "UTF-16LE", &read, &written, NULL);
3188 gboolean found = strstr (res, SKIP_VISIBILITY_XML_ATTRIBUTE) != NULL;
3194 if (*p++ != MONO_DECLSEC_FORMAT_20)
3197 /* number of encoded permission attributes */
3198 num = mono_metadata_decode_value (p, &p);
3199 for (i = 0; i < num; ++i) {
3200 gboolean is_valid = FALSE;
3201 gboolean abort_decoding = FALSE;
3203 /* attribute name length */
3204 len = mono_metadata_decode_value (p, &p);
3206 /* We don't really need to fully decode the type. Comparing the name is enough */
3207 is_valid = len >= SKIP_VISIBILITY_ATTRIBUTE_SIZE && !memcmp (p, SKIP_VISIBILITY_ATTRIBUTE_NAME, SKIP_VISIBILITY_ATTRIBUTE_SIZE);
3211 /*size of the params table*/
3212 params_len = mono_metadata_decode_value (p, &p);
3214 const char *params_end = p + params_len;
3216 /* number of parameters */
3217 len = mono_metadata_decode_value (p, &p);
3219 for (j = 0; j < len; ++j) {
3220 if (mono_assembly_try_decode_skip_verification_param (p, &p, &abort_decoding))
3236 mono_assembly_has_skip_verification (MonoAssembly *assembly)
3239 guint32 cols [MONO_DECL_SECURITY_SIZE];
3243 if (MONO_SECMAN_FLAG_INIT (assembly->skipverification))
3244 return MONO_SECMAN_FLAG_GET_VALUE (assembly->skipverification);
3246 t = &assembly->image->tables [MONO_TABLE_DECLSECURITY];
3248 for (i = 0; i < t->rows; ++i) {
3249 mono_metadata_decode_row (t, i, cols, MONO_DECL_SECURITY_SIZE);
3250 if ((cols [MONO_DECL_SECURITY_PARENT] & MONO_HAS_DECL_SECURITY_MASK) != MONO_HAS_DECL_SECURITY_ASSEMBLY)
3252 if (cols [MONO_DECL_SECURITY_ACTION] != SECURITY_ACTION_REQMIN)
3255 blob = mono_metadata_blob_heap (assembly->image, cols [MONO_DECL_SECURITY_PERMISSIONSET]);
3256 len = mono_metadata_decode_blob_size (blob, &blob);
3260 if (mono_assembly_try_decode_skip_verification (blob, blob + len)) {
3261 MONO_SECMAN_FLAG_SET_VALUE (assembly->skipverification, TRUE);
3266 MONO_SECMAN_FLAG_SET_VALUE (assembly->skipverification, FALSE);