2 * assembly.c: Routines for loading assemblies.
5 * Miguel de Icaza (miguel@ximian.com)
7 * (C) 2001 Ximian, Inc. http://www.ximian.com
19 #include "rawbuffer.h"
20 #include <mono/metadata/loader.h>
21 #include <mono/metadata/tabledefs.h>
22 #include <mono/metadata/metadata-internals.h>
23 #include <mono/metadata/class-internals.h>
24 #include <mono/metadata/domain-internals.h>
25 #include <mono/metadata/mono-endian.h>
26 #include <mono/io-layer/io-layer.h>
27 #include <mono/utils/mono-uri.h>
28 #include <mono/metadata/mono-config.h>
29 #include <mono/utils/mono-digest.h>
30 #include <mono/utils/mono-logger.h>
31 #include <mono/metadata/reflection.h>
33 #ifndef PLATFORM_WIN32
34 #include <sys/types.h>
39 /* AssemblyVersionMap: an assembly name and the assembly version set on which it is based */
41 const char* assembly_name;
42 guint8 version_set_index;
45 /* the default search path is empty, the first slot is replaced with the computed value */
52 /* Contains the list of directories to be searched for assemblies (MONO_PATH) */
53 static char **assemblies_path = NULL;
55 /* Contains the list of directories that point to auxiliary GACs */
56 static char **extra_gac_paths = NULL;
58 /* The list of system assemblies what will be remapped to the running
59 * runtime version. WARNING: this list must be sorted.
61 static const AssemblyVersionMap framework_assemblies [] = {
63 {"Commons.Xml.Relaxng", 0},
70 {"Microsoft.VisualBasic", 1},
71 {"Microsoft.VisualC", 1},
73 {"Mono.CompilerServices.SymbolWriter", 0},
75 {"Mono.Data.SqliteClient", 0},
76 {"Mono.Data.SybaseClient", 0},
78 {"Mono.Data.TdsClient", 0},
79 {"Mono.GetOptions", 0},
83 {"Mono.Security.Win32", 0},
85 {"Novell.Directory.Ldap", 0},
89 {"System.Configuration.Install", 0},
91 {"System.Data.OracleClient", 0},
92 {"System.Data.SqlXml", 0},
94 {"System.DirectoryServices", 0},
95 {"System.Drawing", 0},
96 {"System.Drawing.Design", 0},
97 {"System.EnterpriseServices", 0},
98 {"System.Management", 0},
99 {"System.Messaging", 0},
100 {"System.Runtime.Remoting", 0},
101 {"System.Runtime.Serialization.Formatters.Soap", 0},
102 {"System.Security", 0},
103 {"System.ServiceProcess", 0},
105 {"System.Web.Mobile", 0},
106 {"System.Web.Services", 0},
107 {"System.Windows.Forms", 0},
113 * keeps track of loaded assemblies
115 static GList *loaded_assemblies = NULL;
116 static MonoAssembly *corlib;
118 /* This protects loaded_assemblies and image->references */
119 #define mono_assemblies_lock() EnterCriticalSection (&assemblies_mutex)
120 #define mono_assemblies_unlock() LeaveCriticalSection (&assemblies_mutex)
121 static CRITICAL_SECTION assemblies_mutex;
123 /* A hastable of thread->assembly list mappings */
124 static GHashTable *assemblies_loading;
126 /* A hashtable of reflection only load thread->assemblies mappings */
127 static GHashTable *assemblies_refonly_loading;
129 /* If defined, points to the bundled assembly information */
130 const MonoBundledAssembly **bundles;
132 /* Loaded assembly binding info */
133 static GSList *loaded_assembly_bindings = NULL;
136 mono_assembly_invoke_search_hook_internal (MonoAssemblyName *aname, gboolean refonly, gboolean postload);
139 encode_public_tok (const guchar *token, gint32 len)
141 const static gchar allowed [] = { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f' };
145 res = g_malloc (len * 2 + 1);
146 for (i = 0; i < len; i++) {
147 res [i * 2] = allowed [token [i] >> 4];
148 res [i * 2 + 1] = allowed [token [i] & 0xF];
155 check_path_env (void)
160 path = g_getenv ("MONO_PATH");
164 splitted = g_strsplit (path, G_SEARCHPATH_SEPARATOR_S, 1000);
166 g_strfreev (assemblies_path);
167 assemblies_path = splitted;
168 if (g_getenv ("MONO_DEBUG") == NULL)
172 if (**splitted && !g_file_test (*splitted, G_FILE_TEST_IS_DIR))
173 g_warning ("'%s' in MONO_PATH doesn't exist or has wrong permissions.", *splitted);
180 check_extra_gac_path_env (void) {
184 path = g_getenv ("MONO_GAC_PREFIX");
188 splitted = g_strsplit (path, G_SEARCHPATH_SEPARATOR_S, 1000);
190 g_strfreev (extra_gac_paths);
191 extra_gac_paths = splitted;
192 if (g_getenv ("MONO_DEBUG") == NULL)
196 if (**splitted && !g_file_test (*splitted, G_FILE_TEST_IS_DIR))
197 g_warning ("'%s' in MONO_GAC_PATH doesn't exist or has wrong permissions.", *splitted);
204 assembly_binding_maps_name (MonoAssemblyBindingInfo *info, MonoAssemblyName *aname)
206 if (strcmp (info->name, aname->name))
209 if (info->major != aname->major || info->minor != aname->minor)
212 if ((info->culture != NULL) != (aname->culture != NULL))
215 if (info->culture && strcmp (info->culture, aname->culture))
218 if (strcmp ((const char *)info->public_key_token, (const char *)aname->public_key_token))
225 mono_assembly_binding_info_free (MonoAssemblyBindingInfo *info)
228 g_free (info->culture);
232 get_publisher_policy_info (MonoImage *image, MonoAssemblyName *aname, MonoAssemblyBindingInfo *binding_info)
235 guint32 cols [MONO_MANIFEST_SIZE];
236 const gchar *filename;
237 gchar *subpath, *fullpath;
239 t = &image->tables [MONO_TABLE_MANIFESTRESOURCE];
240 /* MS Impl. accepts policy assemblies with more than
241 * one manifest resource, and only takes the first one */
243 binding_info->is_valid = FALSE;
247 mono_metadata_decode_row (t, 0, cols, MONO_MANIFEST_SIZE);
248 if ((cols [MONO_MANIFEST_IMPLEMENTATION] & MONO_IMPLEMENTATION_MASK) != MONO_IMPLEMENTATION_FILE) {
249 binding_info->is_valid = FALSE;
253 filename = mono_metadata_string_heap (image, cols [MONO_MANIFEST_NAME]);
254 g_assert (filename != NULL);
256 subpath = g_path_get_dirname (image->name);
257 fullpath = g_build_path (G_DIR_SEPARATOR_S, subpath, filename, NULL);
258 mono_config_parse_publisher_policy (fullpath, binding_info);
262 /* Define the optional elements/attributes before checking */
263 if (!binding_info->culture)
264 binding_info->culture = g_strdup ("");
266 /* Check that the most important elements/attributes exist */
267 if (!binding_info->name || !binding_info->public_key_token [0] || !binding_info->has_old_version_bottom ||
268 !binding_info->has_new_version || !assembly_binding_maps_name (binding_info, aname)) {
269 mono_assembly_binding_info_free (binding_info);
270 binding_info->is_valid = FALSE;
274 binding_info->is_valid = TRUE;
278 compare_versions (AssemblyVersionSet *v, MonoAssemblyName *aname)
280 if (v->major > aname->major)
282 else if (v->major < aname->major)
285 if (v->minor > aname->minor)
287 else if (v->minor < aname->minor)
290 if (v->build > aname->build)
292 else if (v->build < aname->build)
295 if (v->revision > aname->revision)
297 else if (v->revision < aname->revision)
304 check_policy_versions (MonoAssemblyBindingInfo *info, MonoAssemblyName *name)
309 /* If has_old_version_top doesn't exist, we don't have an interval */
310 if (!info->has_old_version_top) {
311 if (compare_versions (&info->old_version_bottom, name) == 0)
317 /* Check that the version defined by name is valid for the interval */
318 if (compare_versions (&info->old_version_top, name) < 0)
321 /* We should be greater or equal than the small version */
322 if (compare_versions (&info->old_version_bottom, name) > 0)
329 * mono_assembly_names_equal:
331 * @r: second assembly.
333 * Compares two MonoAssemblyNames and returns whether they are equal.
334 * This compares the names, the cultures, the release version and their
337 * Returns: TRUE if both assembly names are equal.
340 mono_assembly_names_equal (MonoAssemblyName *l, MonoAssemblyName *r)
342 if (!l->name || !r->name)
345 if (strcmp (l->name, r->name))
348 if (l->culture && r->culture && strcmp (l->culture, r->culture))
351 if (l->major != r->major || l->minor != r->minor ||
352 l->build != r->build || l->revision != r->revision)
353 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)))
356 if (!l->public_key_token [0] || !r->public_key_token [0])
359 if (strcmp (l->public_key_token, r->public_key_token))
366 search_loaded (MonoAssemblyName* aname, gboolean refonly)
372 ass = mono_assembly_invoke_search_hook_internal (aname, refonly, FALSE);
377 * The assembly might be under load by this thread. In this case, it is
378 * safe to return an incomplete instance to prevent loops.
380 loading = g_hash_table_lookup (refonly ? assemblies_refonly_loading : assemblies_loading, GetCurrentThread ());
381 for (tmp = loading; tmp; tmp = tmp->next) {
383 if (!mono_assembly_names_equal (aname, &ass->aname))
392 static MonoAssembly *
393 load_in_path (const char *basename, const char** search_path, MonoImageOpenStatus *status, MonoBoolean refonly)
397 MonoAssembly *result;
399 for (i = 0; search_path [i]; ++i) {
400 fullpath = g_build_filename (search_path [i], basename, NULL);
401 result = mono_assembly_open_full (fullpath, status, refonly);
410 * mono_assembly_setrootdir:
411 * @root_dir: The pathname of the root directory where we will locate assemblies
413 * This routine sets the internal default root directory for looking up
414 * assemblies. This is used by Windows installations to compute dynamically
415 * the place where the Mono assemblies are located.
419 mono_assembly_setrootdir (const char *root_dir)
422 * Override the MONO_ASSEMBLIES directory configured at compile time.
424 /* Leak if called more than once */
425 default_path [0] = g_strdup (root_dir);
429 * mono_assembly_getrootdir:
431 * Returns: The internal root directory used for looking up assemblies
433 G_CONST_RETURN gchar *
434 mono_assembly_getrootdir (void)
436 return default_path [0];
441 * @assembly_dir: the base directory for assemblies
442 * @config_dir: the base directory for configuration files
444 * This routine is used internally and by developers embedding
445 * the runtime into their own applications. There are a number
446 * of cases to consider: Mono as a system-installed package that
447 * is available on the location preconfigured or Mono in a relocated
450 * If you are using a system-installed Mono, you can pass NULL
451 * to both parameters. If you are not, you should compute both
452 * directory values and call this routine.
454 * The values for a given PREFIX are:
456 * assembly_dir: PREFIX/lib
457 * config_dir: PREFIX/etc
459 * Notice that embedders that use Mono in a relocated way must
460 * compute the location at runtime, as they will be in control
461 * of where Mono is installed.
464 mono_set_dirs (const char *assembly_dir, const char *config_dir)
466 #if defined (MONO_ASSEMBLIES)
467 if (assembly_dir == NULL)
468 assembly_dir = MONO_ASSEMBLIES;
470 #if defined (MONO_CFG_DIR)
471 if (config_dir == NULL)
472 config_dir = MONO_CFG_DIR;
474 mono_assembly_setrootdir (assembly_dir);
475 mono_set_config_dir (config_dir);
478 #ifndef PLATFORM_WIN32
481 compute_base (char *path)
483 char *p = rindex (path, '/');
487 /* Not a well known Mono executable, we are embedded, cant guess the base */
488 if (strcmp (p, "/mono") && strcmp (p, "/monodis") && strcmp (p, "/mint") && strcmp (p, "/monodiet"))
492 p = rindex (path, '/');
496 if (strcmp (p, "/bin") != 0)
505 mono_set_dirs (MONO_ASSEMBLIES, MONO_CFG_DIR);
512 char *config, *lib, *mono;
516 * Only /usr prefix is treated specially
518 if (strncmp (exe, MONO_BINDIR, strlen (MONO_BINDIR)) == 0 || (base = compute_base (exe)) == NULL){
523 config = g_build_filename (base, "etc", NULL);
524 lib = g_build_filename (base, "lib", NULL);
525 mono = g_build_filename (lib, "mono/1.0", NULL);
526 if (stat (mono, &buf) == -1)
529 mono_set_dirs (lib, config);
537 #endif /* PLATFORM_WIN32 */
540 #undef GetModuleFileName
541 #define GetModuleFileName ceGetModuleFileNameA
543 DWORD ceGetModuleFileNameA(HMODULE hModule, char* lpFilename, DWORD nSize)
546 wchar_t* wbuff = (wchar_t*)LocalAlloc(LPTR, nSize*2);
547 res = GetModuleFileNameW(hModule, wbuff, nSize);
549 int len = wcslen(wbuff);
550 WideCharToMultiByte(CP_ACP, 0, wbuff, len, lpFilename, len, NULL, NULL);
560 * Registers the root directory for the Mono runtime, for Linux and Solaris 10,
561 * this auto-detects the prefix where Mono was installed.
564 mono_set_rootdir (void)
566 #ifdef PLATFORM_WIN32
567 gunichar2 moddir [MAXPATHLEN];
568 gchar *bindir, *installdir, *root, *utf8name, *config;
570 GetModuleFileNameW (NULL, moddir, MAXPATHLEN);
571 utf8name = g_utf16_to_utf8 (moddir, -1, NULL, NULL, NULL);
572 bindir = g_path_get_dirname (utf8name);
573 installdir = g_path_get_dirname (bindir);
574 root = g_build_path (G_DIR_SEPARATOR_S, installdir, "lib", NULL);
576 config = g_build_filename (root, "..", "etc", NULL);
577 mono_set_dirs (root, config);
590 s = readlink ("/proc/self/exe", buf, sizeof (buf)-1);
598 /* Solaris 10 style */
599 str = g_strdup_printf ("/proc/%d/path/a.out", getpid ());
600 s = readlink (str, buf, sizeof (buf)-1);
612 * mono_assemblies_init:
614 * Initialize global variables used by this module.
617 mono_assemblies_init (void)
620 * Initialize our internal paths if we have not been initialized yet.
621 * This happens when embedders use Mono.
623 if (mono_assembly_getrootdir () == NULL)
627 check_extra_gac_path_env ();
629 InitializeCriticalSection (&assemblies_mutex);
631 assemblies_loading = g_hash_table_new (NULL, NULL);
632 assemblies_refonly_loading = g_hash_table_new (NULL, NULL);
636 mono_assembly_fill_assembly_name (MonoImage *image, MonoAssemblyName *aname)
638 MonoTableInfo *t = &image->tables [MONO_TABLE_ASSEMBLY];
639 guint32 cols [MONO_ASSEMBLY_SIZE];
644 mono_metadata_decode_row (t, 0, cols, MONO_ASSEMBLY_SIZE);
647 aname->hash_value = NULL;
648 aname->name = mono_metadata_string_heap (image, cols [MONO_ASSEMBLY_NAME]);
649 aname->culture = mono_metadata_string_heap (image, cols [MONO_ASSEMBLY_CULTURE]);
650 aname->flags = cols [MONO_ASSEMBLY_FLAGS];
651 aname->major = cols [MONO_ASSEMBLY_MAJOR_VERSION];
652 aname->minor = cols [MONO_ASSEMBLY_MINOR_VERSION];
653 aname->build = cols [MONO_ASSEMBLY_BUILD_NUMBER];
654 aname->revision = cols [MONO_ASSEMBLY_REV_NUMBER];
655 aname->hash_alg = cols [MONO_ASSEMBLY_HASH_ALG];
656 if (cols [MONO_ASSEMBLY_PUBLIC_KEY]) {
657 gchar* token = g_malloc (8);
661 aname->public_key = mono_metadata_blob_heap (image, cols [MONO_ASSEMBLY_PUBLIC_KEY]);
662 len = mono_metadata_decode_blob_size (aname->public_key, (const char**)&aname->public_key);
664 mono_digest_get_public_token (token, aname->public_key, len);
665 encoded = encode_public_tok (token, 8);
666 g_strlcpy (aname->public_key_token, encoded, MONO_PUBLIC_KEY_TOKEN_LENGTH);
672 aname->public_key = NULL;
673 memset (aname->public_key_token, 0, MONO_PUBLIC_KEY_TOKEN_LENGTH);
676 if (cols [MONO_ASSEMBLY_PUBLIC_KEY]) {
677 aname->public_key = mono_metadata_blob_heap (image, cols [MONO_ASSEMBLY_PUBLIC_KEY]);
680 aname->public_key = 0;
686 * mono_stringify_assembly_name:
688 * Convert @aname into its string format. The returned string is dynamically
689 * allocated and should be freed by the caller.
692 mono_stringify_assembly_name (MonoAssemblyName *aname)
694 return g_strdup_printf (
695 "%s, Version=%d.%d.%d.%d, Culture=%s%s%s",
697 aname->major, aname->minor, aname->build, aname->revision,
698 aname->culture && *aname->culture? aname->culture: "neutral",
699 aname->public_key_token [0] ? ", PublicKeyToken=" : "",
700 aname->public_key_token [0] ? (char *)aname->public_key_token : "");
704 assemblyref_public_tok (MonoImage *image, guint32 key_index, guint32 flags)
706 const gchar *public_tok;
709 public_tok = mono_metadata_blob_heap (image, key_index);
710 len = mono_metadata_decode_blob_size (public_tok, &public_tok);
712 if (flags & ASSEMBLYREF_FULL_PUBLIC_KEY_FLAG) {
714 mono_digest_get_public_token (token, public_tok, len);
715 return encode_public_tok (token, 8);
718 return encode_public_tok (public_tok, len);
722 * mono_assembly_addref:
723 * @assemnly: the assembly to reference
725 * This routine increments the reference count on a MonoAssembly.
726 * The reference count is reduced every time the method mono_assembly_close() is
730 mono_assembly_addref (MonoAssembly *assembly)
732 InterlockedIncrement (&assembly->ref_count);
735 static MonoAssemblyName *
736 mono_assembly_remap_version (MonoAssemblyName *aname, MonoAssemblyName *dest_aname)
738 const MonoRuntimeInfo *current_runtime;
739 int pos, first, last;
741 if (aname->name == NULL) return aname;
742 current_runtime = mono_get_runtime_info ();
745 last = G_N_ELEMENTS (framework_assemblies) - 1;
747 while (first <= last) {
749 pos = first + (last - first) / 2;
750 res = strcmp (aname->name, framework_assemblies[pos].assembly_name);
752 const AssemblyVersionSet* vset;
753 int index = framework_assemblies[pos].version_set_index;
754 g_assert (index < G_N_ELEMENTS (current_runtime->version_sets));
755 vset = ¤t_runtime->version_sets [index];
757 if (aname->major == vset->major && aname->minor == vset->minor &&
758 aname->build == vset->build && aname->revision == vset->revision)
761 if ((aname->major | aname->minor | aname->build | aname->revision) != 0)
762 mono_trace (G_LOG_LEVEL_WARNING, MONO_TRACE_ASSEMBLY,
763 "The request to load the assembly %s v%d.%d.%d.%d was remapped to v%d.%d.%d.%d",
765 aname->major, aname->minor, aname->build, aname->revision,
766 vset->major, vset->minor, vset->build, vset->revision
769 memcpy (dest_aname, aname, sizeof(MonoAssemblyName));
770 dest_aname->major = vset->major;
771 dest_aname->minor = vset->minor;
772 dest_aname->build = vset->build;
773 dest_aname->revision = vset->revision;
775 } else if (res < 0) {
785 * mono_assembly_get_assemblyref:
787 * Fill out ANAME with the assembly name of the INDEXth assembly reference in IMAGE.
790 mono_assembly_get_assemblyref (MonoImage *image, int index, MonoAssemblyName *aname)
793 guint32 cols [MONO_ASSEMBLYREF_SIZE];
796 t = &image->tables [MONO_TABLE_ASSEMBLYREF];
798 mono_metadata_decode_row (t, index, cols, MONO_ASSEMBLYREF_SIZE);
800 hash = mono_metadata_blob_heap (image, cols [MONO_ASSEMBLYREF_HASH_VALUE]);
801 aname->hash_len = mono_metadata_decode_blob_size (hash, &hash);
802 aname->hash_value = hash;
803 aname->name = mono_metadata_string_heap (image, cols [MONO_ASSEMBLYREF_NAME]);
804 aname->culture = mono_metadata_string_heap (image, cols [MONO_ASSEMBLYREF_CULTURE]);
805 aname->flags = cols [MONO_ASSEMBLYREF_FLAGS];
806 aname->major = cols [MONO_ASSEMBLYREF_MAJOR_VERSION];
807 aname->minor = cols [MONO_ASSEMBLYREF_MINOR_VERSION];
808 aname->build = cols [MONO_ASSEMBLYREF_BUILD_NUMBER];
809 aname->revision = cols [MONO_ASSEMBLYREF_REV_NUMBER];
811 if (cols [MONO_ASSEMBLYREF_PUBLIC_KEY]) {
812 gchar *token = assemblyref_public_tok (image, cols [MONO_ASSEMBLYREF_PUBLIC_KEY], aname->flags);
813 g_strlcpy (aname->public_key_token, token, MONO_PUBLIC_KEY_TOKEN_LENGTH);
816 memset (aname->public_key_token, 0, MONO_PUBLIC_KEY_TOKEN_LENGTH);
821 mono_assembly_load_reference (MonoImage *image, int index)
823 MonoAssembly *reference;
824 MonoAssemblyName aname;
825 MonoImageOpenStatus status;
828 * image->references is shared between threads, so we need to access
829 * it inside a critical section.
831 mono_assemblies_lock ();
832 reference = image->references [index];
833 mono_assemblies_unlock ();
837 mono_assembly_get_assemblyref (image, index, &aname);
839 if (image->assembly->ref_only) {
840 /* We use the loaded corlib */
841 if (!strcmp (aname.name, "mscorlib"))
842 reference = mono_assembly_load_full (&aname, image->assembly->basedir, &status, FALSE);
844 reference = mono_assembly_loaded_full (&aname, TRUE);
846 * Here we must advice that the error was due to
847 * a non loaded reference using the ReflectionOnly api
850 reference = (gpointer)-1;
852 reference = mono_assembly_load (&aname, image->assembly->basedir, &status);
854 if (reference == NULL){
855 char *extra_msg = g_strdup ("");
857 if (status == MONO_IMAGE_ERROR_ERRNO && errno == ENOENT) {
858 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->basedir);
859 } else if (status == MONO_IMAGE_ERROR_ERRNO) {
860 extra_msg = g_strdup_printf ("System error: %s\n", strerror (errno));
861 } else if (status == MONO_IMAGE_MISSING_ASSEMBLYREF) {
862 extra_msg = g_strdup ("Cannot find an assembly referenced from this one.\n");
863 } else if (status == MONO_IMAGE_IMAGE_INVALID) {
864 extra_msg = g_strdup ("The file exists but is not a valid assembly.\n");
867 g_warning ("The following assembly referenced from %s could not be loaded:\n"
868 " Assembly: %s (assemblyref_index=%d)\n"
869 " Version: %d.%d.%d.%d\n"
870 " Public Key: %s\n%s",
871 image->name, aname.name, index,
872 aname.major, aname.minor, aname.build, aname.revision,
873 strlen(aname.public_key_token) == 0 ? "(none)" : (char*)aname.public_key_token, extra_msg);
877 mono_assemblies_lock ();
878 if (reference == NULL) {
879 /* Flag as not found */
880 reference = (gpointer)-1;
883 if (!image->references [index])
884 image->references [index] = reference;
885 mono_assemblies_unlock ();
887 if (image->references [index] != reference) {
888 /* Somebody loaded it before us */
889 mono_assembly_close (reference);
894 mono_assembly_load_references (MonoImage *image, MonoImageOpenStatus *status)
899 *status = MONO_IMAGE_OK;
901 t = &image->tables [MONO_TABLE_ASSEMBLYREF];
903 image->references = g_new0 (MonoAssembly *, t->rows + 1);
905 /* resolve assembly references for modules */
906 for (i = 0; i < image->module_count; i++){
907 if (image->modules [i]) {
908 image->modules [i]->assembly = image->assembly;
909 mono_assembly_load_references (image->modules [i], status);
914 typedef struct AssemblyLoadHook AssemblyLoadHook;
915 struct AssemblyLoadHook {
916 AssemblyLoadHook *next;
917 MonoAssemblyLoadFunc func;
921 AssemblyLoadHook *assembly_load_hook = NULL;
924 mono_assembly_invoke_load_hook (MonoAssembly *ass)
926 AssemblyLoadHook *hook;
928 for (hook = assembly_load_hook; hook; hook = hook->next) {
929 hook->func (ass, hook->user_data);
934 mono_install_assembly_load_hook (MonoAssemblyLoadFunc func, gpointer user_data)
936 AssemblyLoadHook *hook;
938 g_return_if_fail (func != NULL);
940 hook = g_new0 (AssemblyLoadHook, 1);
942 hook->user_data = user_data;
943 hook->next = assembly_load_hook;
944 assembly_load_hook = hook;
947 typedef struct AssemblySearchHook AssemblySearchHook;
948 struct AssemblySearchHook {
949 AssemblySearchHook *next;
950 MonoAssemblySearchFunc func;
956 AssemblySearchHook *assembly_search_hook = NULL;
959 mono_assembly_invoke_search_hook_internal (MonoAssemblyName *aname, gboolean refonly, gboolean postload)
961 AssemblySearchHook *hook;
963 for (hook = assembly_search_hook; hook; hook = hook->next) {
964 if ((hook->refonly == refonly) && (hook->postload == postload)) {
965 MonoAssembly *ass = hook->func (aname, hook->user_data);
975 mono_assembly_invoke_search_hook (MonoAssemblyName *aname)
977 return mono_assembly_invoke_search_hook_internal (aname, FALSE, FALSE);
981 mono_install_assembly_search_hook_internal (MonoAssemblySearchFunc func, gpointer user_data, gboolean refonly, gboolean postload)
983 AssemblySearchHook *hook;
985 g_return_if_fail (func != NULL);
987 hook = g_new0 (AssemblySearchHook, 1);
989 hook->user_data = user_data;
990 hook->refonly = refonly;
991 hook->postload = postload;
992 hook->next = assembly_search_hook;
993 assembly_search_hook = hook;
997 mono_install_assembly_search_hook (MonoAssemblySearchFunc func, gpointer user_data)
999 mono_install_assembly_search_hook_internal (func, user_data, FALSE, FALSE);
1003 mono_install_assembly_refonly_search_hook (MonoAssemblySearchFunc func, gpointer user_data)
1005 mono_install_assembly_search_hook_internal (func, user_data, TRUE, FALSE);
1009 mono_install_assembly_postload_search_hook (MonoAssemblySearchFunc func, gpointer user_data)
1011 mono_install_assembly_search_hook_internal (func, user_data, FALSE, TRUE);
1015 mono_install_assembly_postload_refonly_search_hook (MonoAssemblySearchFunc func, gpointer user_data)
1017 mono_install_assembly_search_hook_internal (func, user_data, TRUE, TRUE);
1020 typedef struct AssemblyPreLoadHook AssemblyPreLoadHook;
1021 struct AssemblyPreLoadHook {
1022 AssemblyPreLoadHook *next;
1023 MonoAssemblyPreLoadFunc func;
1027 static AssemblyPreLoadHook *assembly_preload_hook = NULL;
1028 static AssemblyPreLoadHook *assembly_refonly_preload_hook = NULL;
1030 static MonoAssembly *
1031 invoke_assembly_preload_hook (MonoAssemblyName *aname, gchar **assemblies_path)
1033 AssemblyPreLoadHook *hook;
1034 MonoAssembly *assembly;
1036 for (hook = assembly_preload_hook; hook; hook = hook->next) {
1037 assembly = hook->func (aname, assemblies_path, hook->user_data);
1038 if (assembly != NULL)
1045 static MonoAssembly *
1046 invoke_assembly_refonly_preload_hook (MonoAssemblyName *aname, gchar **assemblies_path)
1048 AssemblyPreLoadHook *hook;
1049 MonoAssembly *assembly;
1051 for (hook = assembly_refonly_preload_hook; hook; hook = hook->next) {
1052 assembly = hook->func (aname, assemblies_path, hook->user_data);
1053 if (assembly != NULL)
1061 mono_install_assembly_preload_hook (MonoAssemblyPreLoadFunc func, gpointer user_data)
1063 AssemblyPreLoadHook *hook;
1065 g_return_if_fail (func != NULL);
1067 hook = g_new0 (AssemblyPreLoadHook, 1);
1069 hook->user_data = user_data;
1070 hook->next = assembly_preload_hook;
1071 assembly_preload_hook = hook;
1075 mono_install_assembly_refonly_preload_hook (MonoAssemblyPreLoadFunc func, gpointer user_data)
1077 AssemblyPreLoadHook *hook;
1079 g_return_if_fail (func != NULL);
1081 hook = g_new0 (AssemblyPreLoadHook, 1);
1083 hook->user_data = user_data;
1084 hook->next = assembly_refonly_preload_hook;
1085 assembly_refonly_preload_hook = hook;
1089 absolute_dir (const gchar *filename)
1100 if (g_path_is_absolute (filename))
1101 return g_path_get_dirname (filename);
1103 cwd = g_get_current_dir ();
1104 mixed = g_build_filename (cwd, filename, NULL);
1105 parts = g_strsplit (mixed, G_DIR_SEPARATOR_S, 0);
1110 for (i = 0; (part = parts [i]) != NULL; i++) {
1111 if (!strcmp (part, "."))
1114 if (!strcmp (part, "..")) {
1115 if (list && list->next) /* Don't remove root */
1116 list = g_list_delete_link (list, list);
1118 list = g_list_prepend (list, part);
1122 result = g_string_new ("");
1123 list = g_list_reverse (list);
1125 /* Ignores last data pointer, which should be the filename */
1126 for (tmp = list; tmp && tmp->next != NULL; tmp = tmp->next)
1128 g_string_append_printf (result, "%s%c", (char *) tmp->data,
1132 g_string_free (result, FALSE);
1137 return g_strdup (".");
1144 * mono_assembly_open_from_bundle:
1145 * @filename: Filename requested
1146 * @status: return value
1148 * This routine tries to open the assembly specified by `filename' from the
1149 * defined bundles, if found, returns the MonoImage for it, if not found
1153 mono_assembly_open_from_bundle (const char *filename, MonoImageOpenStatus *status, gboolean refonly)
1156 char *name = g_path_get_basename (filename);
1157 MonoImage *image = NULL;
1160 * we do a very simple search for bundled assemblies: it's not a general
1161 * purpose assembly loading mechanism.
1163 mono_assemblies_lock ();
1164 for (i = 0; !image && bundles [i]; ++i) {
1165 if (strcmp (bundles [i]->name, name) == 0) {
1166 image = mono_image_open_from_data_full ((char*)bundles [i]->data, bundles [i]->size, FALSE, status, refonly);
1170 mono_assemblies_unlock ();
1173 mono_image_addref (image);
1180 do_mono_assembly_open (const char *filename, MonoImageOpenStatus *status, gboolean refonly)
1182 MonoImage *image = NULL;
1184 if (bundles != NULL){
1185 image = mono_assembly_open_from_bundle (filename, status, refonly);
1190 mono_assemblies_lock ();
1191 image = mono_image_open_full (filename, status, refonly);
1192 mono_assemblies_unlock ();
1198 mono_assembly_open_full (const char *filename, MonoImageOpenStatus *status, gboolean refonly)
1202 MonoImageOpenStatus def_status;
1205 g_return_val_if_fail (filename != NULL, NULL);
1208 status = &def_status;
1209 *status = MONO_IMAGE_OK;
1211 if (strncmp (filename, "file://", 7) == 0) {
1212 GError *error = NULL;
1213 gchar *uri = (gchar *) filename;
1217 * MS allows file://c:/... and fails on file://localhost/c:/...
1218 * They also throw an IndexOutOfRangeException if "file://"
1221 uri = g_strdup_printf ("file:///%s", uri + 7);
1224 uri = mono_escape_uri_string (tmpuri);
1225 fname = g_filename_from_uri (uri, NULL, &error);
1228 if (tmpuri != filename)
1231 if (error != NULL) {
1232 g_warning ("%s\n", error->message);
1233 g_error_free (error);
1234 fname = g_strdup (filename);
1237 fname = g_strdup (filename);
1240 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_ASSEMBLY,
1241 "Assembly Loader probing location: '%s'.", filename);
1242 image = do_mono_assembly_open (fname, status, refonly);
1245 *status = MONO_IMAGE_ERROR_ERRNO;
1250 ass = mono_assembly_load_from_full (image, fname, status, refonly);
1253 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_ASSEMBLY,
1254 "Assembly Loader loaded assembly from location: '%s'.", filename);
1256 mono_config_for_assembly (ass->image);
1265 * load_friend_assemblies:
1268 * Load the list of friend assemblies that are allowed to access
1269 * the assembly's internal types and members. They are stored as assembly
1270 * names in custom attributes.
1273 load_friend_assemblies (MonoAssembly* ass)
1276 MonoCustomAttrInfo* attrs = mono_custom_attrs_from_assembly (ass);
1279 for (i = 0; i < attrs->num_attrs; ++i) {
1280 MonoCustomAttrEntry *attr = &attrs->attrs [i];
1281 MonoAssemblyName *aname;
1284 /* Do some sanity checking */
1285 if (!attr->ctor || attr->ctor->klass != mono_defaults.internals_visible_class)
1287 if (attr->data_size < 4)
1290 /* 0xFF means null string, see custom attr format */
1291 if (data [0] != 1 || data [1] != 0 || data [2] == 0xFF)
1293 slen = mono_metadata_decode_value (data + 2, &data);
1294 aname = g_new0 (MonoAssemblyName, 1);
1295 /*g_print ("friend ass: %s\n", data);*/
1296 if (mono_assembly_name_parse_full (data, aname, TRUE, NULL)) {
1297 ass->friend_assembly_names = g_slist_prepend (ass->friend_assembly_names, aname);
1302 mono_custom_attrs_free (attrs);
1306 * mono_assembly_open:
1307 * @filename: Opens the assembly pointed out by this name
1308 * @status: where a status code can be returned
1310 * mono_assembly_open opens the PE-image pointed by @filename, and
1311 * loads any external assemblies referenced by it.
1313 * NOTE: we could do lazy loading of the assemblies. Or maybe not worth
1317 mono_assembly_open (const char *filename, MonoImageOpenStatus *status)
1319 return mono_assembly_open_full (filename, status, FALSE);
1323 mono_assembly_load_from_full (MonoImage *image, const char*fname,
1324 MonoImageOpenStatus *status, gboolean refonly)
1326 MonoAssembly *ass, *ass2;
1329 GHashTable *ass_loading;
1331 #if defined (PLATFORM_WIN32)
1336 tmp_fn = g_strdup (fname);
1337 for (i = strlen (tmp_fn) - 1; i >= 0; i--) {
1338 if (tmp_fn [i] == '/')
1342 base_dir = absolute_dir (tmp_fn);
1346 base_dir = absolute_dir (fname);
1350 * To avoid deadlocks and scalability problems, we load assemblies outside
1351 * the assembly lock. This means that multiple threads might try to load
1352 * the same assembly at the same time. The first one to load it completely
1353 * "wins", the other threads free their copy and use the one loaded by
1354 * the winning thread.
1358 * Create assembly struct, and enter it into the assembly cache
1360 ass = g_new0 (MonoAssembly, 1);
1361 ass->basedir = base_dir;
1362 ass->ref_only = refonly;
1365 mono_image_addref (image);
1367 mono_assembly_fill_assembly_name (image, &ass->aname);
1370 * Atomically search the loaded list and add ourselves to it if necessary.
1372 mono_assemblies_lock ();
1373 if (ass->aname.name) {
1374 /* avoid loading the same assembly twice for now... */
1375 ass2 = search_loaded (&ass->aname, refonly);
1379 mono_image_close (image);
1380 *status = MONO_IMAGE_OK;
1381 mono_assemblies_unlock ();
1385 ass_loading = refonly ? assemblies_refonly_loading : assemblies_loading;
1386 loading = g_hash_table_lookup (ass_loading, GetCurrentThread ());
1387 loading = g_list_prepend (loading, ass);
1388 g_hash_table_insert (ass_loading, GetCurrentThread (), loading);
1389 mono_assemblies_unlock ();
1391 image->assembly = ass;
1393 mono_assembly_load_references (image, status);
1395 mono_assemblies_lock ();
1397 loading = g_hash_table_lookup (ass_loading, GetCurrentThread ());
1398 loading = g_list_remove (loading, ass);
1399 if (loading == NULL)
1400 /* Prevent memory leaks */
1401 g_hash_table_remove (ass_loading, GetCurrentThread ());
1403 g_hash_table_insert (ass_loading, GetCurrentThread (), loading);
1404 if (*status != MONO_IMAGE_OK) {
1405 mono_assemblies_unlock ();
1406 mono_assembly_close (ass);
1410 if (ass->aname.name) {
1411 ass2 = search_loaded (&ass->aname, refonly);
1413 /* Somebody else has loaded the assembly before us */
1414 mono_assemblies_unlock ();
1415 mono_assembly_close (ass);
1420 loaded_assemblies = g_list_prepend (loaded_assemblies, ass);
1421 if (mono_defaults.internals_visible_class)
1422 load_friend_assemblies (ass);
1423 mono_assemblies_unlock ();
1425 mono_assembly_invoke_load_hook (ass);
1431 mono_assembly_load_from (MonoImage *image, const char *fname,
1432 MonoImageOpenStatus *status)
1434 return mono_assembly_load_from_full (image, fname, status, FALSE);
1438 * mono_assembly_name_free:
1439 * @aname: assembly name to free
1441 * Frees the provided assembly name object.
1442 * (it does not frees the object itself, only the name members).
1445 mono_assembly_name_free (MonoAssemblyName *aname)
1450 g_free ((void *) aname->name);
1451 g_free ((void *) aname->culture);
1452 g_free ((void *) aname->hash_value);
1456 parse_public_key (const gchar *key, gchar** pubkey)
1459 gchar header [16], val, *arr;
1460 gint i, j, offset, bitlen, keylen, pkeylen;
1462 keylen = strlen (key) >> 1;
1466 val = g_ascii_xdigit_value (key [0]) << 4;
1467 val |= g_ascii_xdigit_value (key [1]);
1472 val = g_ascii_xdigit_value (key [24]);
1473 val |= g_ascii_xdigit_value (key [25]);
1485 /* We need the first 16 bytes
1486 * to check whether this key is valid or not */
1487 pkeylen = strlen (pkey) >> 1;
1491 for (i = 0, j = 0; i < 16; i++) {
1492 header [i] = g_ascii_xdigit_value (pkey [j++]) << 4;
1493 header [i] |= g_ascii_xdigit_value (pkey [j++]);
1496 if (header [0] != 0x06 || /* PUBLICKEYBLOB (0x06) */
1497 header [1] != 0x02 || /* Version (0x02) */
1498 header [2] != 0x00 || /* Reserved (word) */
1499 header [3] != 0x00 ||
1500 (guint)(read32 (header + 8)) != 0x31415352) /* DWORD magic = RSA1 */
1503 /* Based on this length, we _should_ be able to know if the length is right */
1504 bitlen = read32 (header + 12) >> 3;
1505 if ((bitlen + 16 + 4) != pkeylen)
1508 /* Encode the size of the blob */
1510 if (keylen <= 127) {
1511 arr = g_malloc (keylen + 1);
1512 arr [offset++] = keylen;
1514 arr = g_malloc (keylen + 2);
1515 arr [offset++] = 0x80; /* 10bs */
1516 arr [offset++] = keylen;
1519 for (i = offset, j = 0; i < keylen + offset; i++) {
1520 arr [i] = g_ascii_xdigit_value (key [j++]) << 4;
1521 arr [i] |= g_ascii_xdigit_value (key [j++]);
1530 build_assembly_name (const char *name, const char *version, const char *culture, const char *token, const char *key, MonoAssemblyName *aname, gboolean save_public_key)
1532 gint major, minor, build, revision;
1534 gchar *pkey, *pkeyptr, *encoded, tok [8];
1536 memset (aname, 0, sizeof (MonoAssemblyName));
1539 if (sscanf (version, "%u.%u.%u.%u", &major, &minor, &build, &revision) != 4)
1542 aname->major = major;
1543 aname->minor = minor;
1544 aname->build = build;
1545 aname->revision = revision;
1548 aname->name = g_strdup (name);
1551 if (g_ascii_strcasecmp (culture, "neutral") == 0)
1552 aname->culture = g_strdup ("");
1554 aname->culture = g_strdup (culture);
1557 if (token && strncmp (token, "null", 4) != 0) {
1558 char *lower = g_ascii_strdown (token, MONO_PUBLIC_KEY_TOKEN_LENGTH);
1559 g_strlcpy ((char*)aname->public_key_token, lower, MONO_PUBLIC_KEY_TOKEN_LENGTH);
1563 if (key && strncmp (key, "null", 4) != 0) {
1564 if (!parse_public_key (key, &pkey)) {
1565 mono_assembly_name_free (aname);
1569 len = mono_metadata_decode_blob_size ((const gchar *) pkey, (const gchar **) &pkeyptr);
1570 // We also need to generate the key token
1571 mono_digest_get_public_token ((guchar*) tok, (guint8*) pkeyptr, len);
1572 encoded = encode_public_tok ((guchar*) tok, 8);
1573 g_strlcpy ((gchar*)aname->public_key_token, encoded, MONO_PUBLIC_KEY_TOKEN_LENGTH);
1576 if (save_public_key)
1577 aname->public_key = (guint8*) pkey;
1586 parse_assembly_directory_name (const char *name, const char *dirname, MonoAssemblyName *aname)
1591 parts = g_strsplit (dirname, "_", 3);
1592 if (!parts || !parts[0] || !parts[1] || !parts[2]) {
1597 res = build_assembly_name (name, parts[0], parts[1], parts[2], NULL, aname, FALSE);
1603 mono_assembly_name_parse_full (const char *name, MonoAssemblyName *aname, gboolean save_public_key, gboolean *is_version_defined)
1606 gchar *version = NULL;
1607 gchar *culture = NULL;
1608 gchar *token = NULL;
1614 gboolean version_defined;
1616 if (!is_version_defined)
1617 is_version_defined = &version_defined;
1618 *is_version_defined = FALSE;
1620 parts = tmp = g_strsplit (name, ",", 4);
1621 if (!tmp || !*tmp) {
1626 dllname = g_strstrip (*tmp);
1631 value = g_strstrip (*tmp);
1632 if (!g_ascii_strncasecmp (value, "Version=", 8)) {
1633 *is_version_defined = TRUE;
1634 version = g_strstrip (value + 8);
1639 if (!g_ascii_strncasecmp (value, "Culture=", 8)) {
1640 culture = g_strstrip (value + 8);
1645 if (!g_ascii_strncasecmp (value, "PublicKeyToken=", 15)) {
1646 token = g_strstrip (value + 15);
1651 if (!g_ascii_strncasecmp (value, "PublicKey=", 10)) {
1652 key = g_strstrip (value + 10);
1661 res = build_assembly_name (dllname, version, culture, token, key, aname, save_public_key);
1667 * mono_assembly_name_parse:
1668 * @name: name to parse
1669 * @aname: the destination assembly name
1670 * Returns: true if the name could be parsed.
1672 * Parses an assembly qualified type name and assigns the name,
1673 * version, culture and token to the provided assembly name object.
1676 mono_assembly_name_parse (const char *name, MonoAssemblyName *aname)
1678 return mono_assembly_name_parse_full (name, aname, FALSE, NULL);
1681 static MonoAssembly*
1682 probe_for_partial_name (const char *basepath, const char *fullname, MonoAssemblyName *aname, MonoImageOpenStatus *status)
1684 gchar *fullpath = NULL;
1686 const char* direntry;
1687 MonoAssemblyName gac_aname;
1688 gint major=-1, minor=0, build=0, revision=0;
1689 gboolean exact_version;
1691 dirhandle = g_dir_open (basepath, 0, NULL);
1695 exact_version = (aname->major | aname->minor | aname->build | aname->revision) != 0;
1697 while ((direntry = g_dir_read_name (dirhandle))) {
1698 gboolean match = TRUE;
1700 parse_assembly_directory_name (aname->name, direntry, &gac_aname);
1702 if (aname->culture != NULL && strcmp (aname->culture, gac_aname.culture) != 0)
1705 if (match && strlen ((char*)aname->public_key_token) > 0 &&
1706 strcmp ((char*)aname->public_key_token, (char*)gac_aname.public_key_token) != 0)
1710 if (exact_version) {
1711 match = (aname->major == gac_aname.major && aname->minor == gac_aname.minor &&
1712 aname->build == gac_aname.build && aname->revision == gac_aname.revision);
1714 else if (gac_aname.major < major)
1716 else if (gac_aname.major == major) {
1717 if (gac_aname.minor < minor)
1719 else if (gac_aname.minor == minor) {
1720 if (gac_aname.build < build)
1722 else if (gac_aname.build == build && gac_aname.revision <= revision)
1729 major = gac_aname.major;
1730 minor = gac_aname.minor;
1731 build = gac_aname.build;
1732 revision = gac_aname.revision;
1734 fullpath = g_build_path (G_DIR_SEPARATOR_S, basepath, direntry, fullname, NULL);
1737 mono_assembly_name_free (&gac_aname);
1740 g_dir_close (dirhandle);
1742 if (fullpath == NULL)
1745 MonoAssembly *res = mono_assembly_open (fullpath, status);
1752 mono_assembly_load_with_partial_name (const char *name, MonoImageOpenStatus *status)
1755 MonoAssemblyName *aname, base_name, maped_aname;
1756 gchar *fullname, *gacpath;
1759 memset (&base_name, 0, sizeof (MonoAssemblyName));
1762 if (!mono_assembly_name_parse (name, aname))
1766 * If no specific version has been requested, make sure we load the
1767 * correct version for system assemblies.
1769 if ((aname->major | aname->minor | aname->build | aname->revision) == 0)
1770 aname = mono_assembly_remap_version (aname, &maped_aname);
1772 res = mono_assembly_loaded (aname);
1774 mono_assembly_name_free (aname);
1778 res = invoke_assembly_preload_hook (aname, assemblies_path);
1780 res->in_gac = FALSE;
1781 mono_assembly_name_free (aname);
1785 fullname = g_strdup_printf ("%s.dll", aname->name);
1787 if (extra_gac_paths) {
1788 paths = extra_gac_paths;
1789 while (!res && *paths) {
1790 gacpath = g_build_path (G_DIR_SEPARATOR_S, *paths, "lib", "mono", "gac", aname->name, NULL);
1791 res = probe_for_partial_name (gacpath, fullname, aname, status);
1800 mono_assembly_name_free (aname);
1804 gacpath = g_build_path (G_DIR_SEPARATOR_S, mono_assembly_getrootdir (), "mono", "gac", aname->name, NULL);
1805 res = probe_for_partial_name (gacpath, fullname, aname, status);
1812 mono_assembly_name_free (aname);
1818 mono_assembly_load_publisher_policy (MonoAssemblyName *aname)
1821 gchar *filename, *pname, *name, *culture, *version, *fullpath, *subpath;
1825 if (strstr (aname->name, ".dll")) {
1826 len = strlen (aname->name) - 4;
1827 name = g_malloc (len);
1828 strncpy (name, aname->name, len);
1830 name = g_strdup (aname->name);
1832 if (aname->culture) {
1833 culture = g_strdup (aname->culture);
1834 g_strdown (culture);
1836 culture = g_strdup ("");
1838 pname = g_strdup_printf ("policy.%d.%d.%s", aname->major, aname->minor, name);
1839 version = g_strdup_printf ("0.0.0.0_%s_%s", culture, aname->public_key_token);
1843 filename = g_strconcat (pname, ".dll", NULL);
1844 subpath = g_build_path (G_DIR_SEPARATOR_S, pname, version, filename, NULL);
1850 if (extra_gac_paths) {
1851 paths = extra_gac_paths;
1852 while (!image && *paths) {
1853 fullpath = g_build_path (G_DIR_SEPARATOR_S, *paths,
1854 "lib", "mono", "gac", subpath, NULL);
1855 image = mono_image_open (fullpath, NULL);
1866 fullpath = g_build_path (G_DIR_SEPARATOR_S, mono_assembly_getrootdir (),
1867 "mono", "gac", subpath, NULL);
1868 image = mono_image_open (fullpath, NULL);
1875 static MonoAssemblyName*
1876 mono_assembly_bind_version (MonoAssemblyBindingInfo *info, MonoAssemblyName *aname, MonoAssemblyName *dest_name)
1878 memcpy (dest_name, aname, sizeof (MonoAssemblyName));
1879 dest_name->major = info->new_version.major;
1880 dest_name->minor = info->new_version.minor;
1881 dest_name->build = info->new_version.build;
1882 dest_name->revision = info->new_version.revision;
1887 /* LOCKING: Assumes that we are already locked */
1888 static MonoAssemblyBindingInfo*
1889 search_binding_loaded (MonoAssemblyName *aname)
1893 for (tmp = loaded_assembly_bindings; tmp; tmp = tmp->next) {
1894 MonoAssemblyBindingInfo *info = tmp->data;
1895 if (assembly_binding_maps_name (info, aname))
1902 static MonoAssemblyName*
1903 mono_assembly_apply_binding (MonoAssemblyName *aname, MonoAssemblyName *dest_name)
1905 MonoAssemblyBindingInfo *info, *info2;
1908 if (aname->public_key_token [0] == 0)
1911 mono_loader_lock ();
1912 info = search_binding_loaded (aname);
1913 mono_loader_unlock ();
1915 if (!check_policy_versions (info, aname))
1918 mono_assembly_bind_version (info, aname, dest_name);
1922 info = g_new0 (MonoAssemblyBindingInfo, 1);
1923 info->major = aname->major;
1924 info->minor = aname->minor;
1926 ppimage = mono_assembly_load_publisher_policy (aname);
1928 get_publisher_policy_info (ppimage, aname, info);
1929 mono_image_close (ppimage);
1932 /* Define default error value if needed */
1933 if (!info->is_valid) {
1934 info->name = g_strdup (aname->name);
1935 info->culture = g_strdup (aname->culture);
1936 g_strlcpy ((char *)info->public_key_token, (const char *)aname->public_key_token, MONO_PUBLIC_KEY_TOKEN_LENGTH);
1939 mono_loader_lock ();
1940 info2 = search_binding_loaded (aname);
1942 /* This binding was added by another thread
1944 mono_assembly_binding_info_free (info);
1949 loaded_assembly_bindings = g_slist_prepend (loaded_assembly_bindings, info);
1951 mono_loader_unlock ();
1953 if (!info->is_valid || !check_policy_versions (info, aname))
1956 mono_assembly_bind_version (info, aname, dest_name);
1961 * mono_assembly_load_from_gac
1963 * @aname: The assembly name object
1965 static MonoAssembly*
1966 mono_assembly_load_from_gac (MonoAssemblyName *aname, gchar *filename, MonoImageOpenStatus *status, MonoBoolean refonly)
1968 MonoAssembly *result = NULL;
1969 gchar *name, *version, *culture, *fullpath, *subpath;
1973 if (aname->public_key_token [0] == 0) {
1977 if (strstr (aname->name, ".dll")) {
1978 len = strlen (filename) - 4;
1979 name = g_malloc (len);
1980 strncpy (name, aname->name, len);
1982 name = g_strdup (aname->name);
1985 if (aname->culture) {
1986 culture = g_strdup (aname->culture);
1987 g_strdown (culture);
1989 culture = g_strdup ("");
1992 version = g_strdup_printf ("%d.%d.%d.%d_%s_%s", aname->major,
1993 aname->minor, aname->build, aname->revision,
1994 culture, aname->public_key_token);
1996 subpath = g_build_path (G_DIR_SEPARATOR_S, name, version, filename, NULL);
2001 if (extra_gac_paths) {
2002 paths = extra_gac_paths;
2003 while (!result && *paths) {
2004 fullpath = g_build_path (G_DIR_SEPARATOR_S, *paths, "lib", "mono", "gac", subpath, NULL);
2005 result = mono_assembly_open_full (fullpath, status, refonly);
2012 result->in_gac = TRUE;
2017 fullpath = g_build_path (G_DIR_SEPARATOR_S, mono_assembly_getrootdir (),
2018 "mono", "gac", subpath, NULL);
2019 result = mono_assembly_open_full (fullpath, status, refonly);
2023 result->in_gac = TRUE;
2032 mono_assembly_load_corlib (const MonoRuntimeInfo *runtime, MonoImageOpenStatus *status)
2037 /* g_print ("corlib already loaded\n"); */
2041 if (assemblies_path) {
2042 corlib = load_in_path ("mscorlib.dll", (const char**)assemblies_path, status, FALSE);
2047 /* Load corlib from mono/<version> */
2049 corlib_file = g_build_filename ("mono", runtime->framework_version, "mscorlib.dll", NULL);
2050 if (assemblies_path) {
2051 corlib = load_in_path (corlib_file, (const char**)assemblies_path, status, FALSE);
2053 g_free (corlib_file);
2057 corlib = load_in_path (corlib_file, default_path, status, FALSE);
2058 g_free (corlib_file);
2065 mono_assembly_load_full (MonoAssemblyName *aname, const char *basedir, MonoImageOpenStatus *status, gboolean refonly)
2067 MonoAssembly *result;
2068 char *fullpath, *filename;
2069 MonoAssemblyName maped_aname, maped_name_pp;
2073 aname = mono_assembly_remap_version (aname, &maped_aname);
2075 /* Reflection only assemblies don't get assembly binding */
2077 aname = mono_assembly_apply_binding (aname, &maped_name_pp);
2079 result = mono_assembly_loaded_full (aname, refonly);
2083 result = refonly ? invoke_assembly_refonly_preload_hook (aname, assemblies_path) : invoke_assembly_preload_hook (aname, assemblies_path);
2085 result->in_gac = FALSE;
2089 /* Currently we retrieve the loaded corlib for reflection
2090 * only requests, like a common reflection only assembly
2092 if (strcmp (aname->name, "mscorlib") == 0 || strcmp (aname->name, "mscorlib.dll") == 0) {
2093 return mono_assembly_load_corlib (mono_get_runtime_info (), status);
2096 for (ext_index = 0; ext_index < 2; ext_index ++) {
2097 ext = ext_index == 0 ? ".dll" : ".exe";
2098 if (strstr (aname->name, ".dll"))
2099 filename = g_strdup (aname->name);
2101 filename = g_strconcat (aname->name, ext, NULL);
2103 result = mono_assembly_load_from_gac (aname, filename, status, refonly);
2110 fullpath = g_build_filename (basedir, filename, NULL);
2111 result = mono_assembly_open_full (fullpath, status, refonly);
2114 result->in_gac = FALSE;
2120 result = load_in_path (filename, default_path, status, refonly);
2122 result->in_gac = FALSE;
2128 /* Try a postload search hook */
2129 result = mono_assembly_invoke_search_hook_internal (aname, refonly, TRUE);
2135 mono_assembly_load (MonoAssemblyName *aname, const char *basedir, MonoImageOpenStatus *status)
2137 return mono_assembly_load_full (aname, basedir, status, FALSE);
2141 mono_assembly_loaded_full (MonoAssemblyName *aname, gboolean refonly)
2144 MonoAssemblyName maped_aname;
2146 aname = mono_assembly_remap_version (aname, &maped_aname);
2148 mono_assemblies_lock ();
2149 res = search_loaded (aname, refonly);
2150 mono_assemblies_unlock ();
2156 mono_assembly_loaded (MonoAssemblyName *aname)
2158 return mono_assembly_loaded_full (aname, FALSE);
2162 * mono_assembly_close:
2163 * @assembly: the assembly to release.
2165 * This method releases a reference to the @assembly. The assembly is
2166 * only released when all the outstanding references to it are released.
2169 mono_assembly_close (MonoAssembly *assembly)
2172 g_return_if_fail (assembly != NULL);
2174 /* Might be 0 already */
2175 if (InterlockedDecrement (&assembly->ref_count) > 0)
2178 mono_trace (G_LOG_LEVEL_WARNING, MONO_TRACE_ASSEMBLY, "Unloading assembly %s %p.", assembly->aname.name, assembly);
2180 mono_assemblies_lock ();
2181 loaded_assemblies = g_list_remove (loaded_assemblies, assembly);
2182 mono_assemblies_unlock ();
2183 /* assemblies belong to domains, so the domain code takes care of unloading the
2184 * referenced assemblies
2187 mono_image_close (assembly->image);
2189 for (tmp = assembly->friend_assembly_names; tmp; tmp = tmp->next) {
2190 MonoAssemblyName *fname = tmp->data;
2191 mono_assembly_name_free (fname);
2194 g_slist_free (assembly->friend_assembly_names);
2195 g_free (assembly->basedir);
2196 if (!assembly->dynamic)
2201 mono_assembly_load_module (MonoAssembly *assembly, guint32 idx)
2203 MonoImageOpenStatus status;
2206 module = mono_image_load_file_for_image (assembly->image, idx);
2208 mono_assembly_load_references (module, &status);
2214 mono_assembly_foreach (GFunc func, gpointer user_data)
2219 * We make a copy of the list to avoid calling the callback inside the
2220 * lock, which could lead to deadlocks.
2222 mono_assemblies_lock ();
2223 copy = g_list_copy (loaded_assemblies);
2224 mono_assemblies_unlock ();
2226 g_list_foreach (loaded_assemblies, func, user_data);
2232 * Holds the assembly of the application, for
2233 * System.Diagnostics.Process::MainModule
2235 static MonoAssembly *main_assembly=NULL;
2238 mono_assembly_set_main (MonoAssembly *assembly)
2240 main_assembly=assembly;
2244 mono_assembly_get_main (void)
2246 return(main_assembly);
2252 mono_assembly_get_image (MonoAssembly *assembly)
2254 return assembly->image;
2258 mono_register_bundled_assemblies (const MonoBundledAssembly **assemblies)
2260 bundles = assemblies;