2 * assembly.c: Routines for loading assemblies.
5 * Miguel de Icaza (miguel@ximian.com)
7 * (C) 2001 Ximian, Inc. http://www.ximian.com
18 #include "rawbuffer.h"
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.h>
33 #include <mono/metadata/reflection.h>
35 #ifndef PLATFORM_WIN32
36 #include <sys/types.h>
41 /* AssemblyVersionMap: an assembly name and the assembly version set on which it is based */
43 const char* assembly_name;
44 guint8 version_set_index;
47 /* the default search path is empty, the first slot is replaced with the computed value */
54 /* Contains the list of directories to be searched for assemblies (MONO_PATH) */
55 static char **assemblies_path = NULL;
57 /* Contains the list of directories that point to auxiliary GACs */
58 static char **extra_gac_paths = NULL;
60 /* The list of system assemblies what will be remapped to the running
61 * runtime version. WARNING: this list must be sorted.
63 static const AssemblyVersionMap framework_assemblies [] = {
65 {"Commons.Xml.Relaxng", 0},
72 {"Microsoft.VisualBasic", 1},
73 {"Microsoft.VisualC", 1},
75 {"Mono.CompilerServices.SymbolWriter", 0},
77 {"Mono.Data.SybaseClient", 0},
79 {"Mono.Data.TdsClient", 0},
80 {"Mono.GetOptions", 0},
84 {"Mono.Security.Win32", 0},
86 {"Novell.Directory.Ldap", 0},
90 {"System.Configuration.Install", 0},
92 {"System.Data.OracleClient", 0},
93 {"System.Data.SqlXml", 0},
95 {"System.DirectoryServices", 0},
96 {"System.Drawing", 0},
97 {"System.Drawing.Design", 0},
98 {"System.EnterpriseServices", 0},
99 {"System.Management", 0},
100 {"System.Messaging", 0},
101 {"System.Runtime.Remoting", 0},
102 {"System.Runtime.Serialization.Formatters.Soap", 0},
103 {"System.Security", 0},
104 {"System.ServiceProcess", 0},
106 {"System.Web.Mobile", 0},
107 {"System.Web.Services", 0},
108 {"System.Windows.Forms", 0},
114 * keeps track of loaded assemblies
116 static GList *loaded_assemblies = NULL;
117 static MonoAssembly *corlib;
119 /* This protects loaded_assemblies and image->references */
120 #define mono_assemblies_lock() EnterCriticalSection (&assemblies_mutex)
121 #define mono_assemblies_unlock() LeaveCriticalSection (&assemblies_mutex)
122 static CRITICAL_SECTION assemblies_mutex;
124 /* If defined, points to the bundled assembly information */
125 const MonoBundledAssembly **bundles;
127 /* Loaded assembly binding info */
128 static GSList *loaded_assembly_bindings = NULL;
131 mono_assembly_invoke_search_hook_internal (MonoAssemblyName *aname, gboolean refonly, gboolean postload);
134 encode_public_tok (const guchar *token, gint32 len)
136 const static gchar allowed [] = { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f' };
140 res = g_malloc (len * 2 + 1);
141 for (i = 0; i < len; i++) {
142 res [i * 2] = allowed [token [i] >> 4];
143 res [i * 2 + 1] = allowed [token [i] & 0xF];
150 * mono_public_tokens_are_equal:
151 * @pubt1: first public key token
152 * @pubt2: second public key token
154 * Compare two public key tokens and return #TRUE is they are equal and #FALSE
158 mono_public_tokens_are_equal (const unsigned char *pubt1, const unsigned char *pubt2)
160 return g_strcasecmp ((char*)pubt1, (char*)pubt2) == 0;
164 check_path_env (void)
167 char **splitted, **dest;
169 path = g_getenv ("MONO_PATH");
173 splitted = g_strsplit (path, G_SEARCHPATH_SEPARATOR_S, 1000);
175 g_strfreev (assemblies_path);
176 assemblies_path = dest = splitted;
184 if (g_getenv ("MONO_DEBUG") == NULL)
188 if (**splitted && !g_file_test (*splitted, G_FILE_TEST_IS_DIR))
189 g_warning ("'%s' in MONO_PATH doesn't exist or has wrong permissions.", *splitted);
196 check_extra_gac_path_env (void) {
198 char **splitted, **dest;
200 path = g_getenv ("MONO_GAC_PREFIX");
204 splitted = g_strsplit (path, G_SEARCHPATH_SEPARATOR_S, 1000);
206 g_strfreev (extra_gac_paths);
207 extra_gac_paths = dest = splitted;
215 if (g_getenv ("MONO_DEBUG") == NULL)
219 if (**splitted && !g_file_test (*splitted, G_FILE_TEST_IS_DIR))
220 g_warning ("'%s' in MONO_GAC_PATH doesn't exist or has wrong permissions.", *splitted);
227 assembly_binding_maps_name (MonoAssemblyBindingInfo *info, MonoAssemblyName *aname)
229 if (strcmp (info->name, aname->name))
232 if (info->major != aname->major || info->minor != aname->minor)
235 if ((info->culture != NULL) != (aname->culture != NULL))
238 if (info->culture && strcmp (info->culture, aname->culture))
241 if (!mono_public_tokens_are_equal (info->public_key_token, aname->public_key_token))
248 mono_assembly_binding_info_free (MonoAssemblyBindingInfo *info)
251 g_free (info->culture);
255 get_publisher_policy_info (MonoImage *image, MonoAssemblyName *aname, MonoAssemblyBindingInfo *binding_info)
258 guint32 cols [MONO_MANIFEST_SIZE];
259 const gchar *filename;
260 gchar *subpath, *fullpath;
262 t = &image->tables [MONO_TABLE_MANIFESTRESOURCE];
263 /* MS Impl. accepts policy assemblies with more than
264 * one manifest resource, and only takes the first one */
266 binding_info->is_valid = FALSE;
270 mono_metadata_decode_row (t, 0, cols, MONO_MANIFEST_SIZE);
271 if ((cols [MONO_MANIFEST_IMPLEMENTATION] & MONO_IMPLEMENTATION_MASK) != MONO_IMPLEMENTATION_FILE) {
272 binding_info->is_valid = FALSE;
276 filename = mono_metadata_string_heap (image, cols [MONO_MANIFEST_NAME]);
277 g_assert (filename != NULL);
279 subpath = g_path_get_dirname (image->name);
280 fullpath = g_build_path (G_DIR_SEPARATOR_S, subpath, filename, NULL);
281 mono_config_parse_publisher_policy (fullpath, binding_info);
285 /* Define the optional elements/attributes before checking */
286 if (!binding_info->culture)
287 binding_info->culture = g_strdup ("");
289 /* Check that the most important elements/attributes exist */
290 if (!binding_info->name || !binding_info->public_key_token [0] || !binding_info->has_old_version_bottom ||
291 !binding_info->has_new_version || !assembly_binding_maps_name (binding_info, aname)) {
292 mono_assembly_binding_info_free (binding_info);
293 binding_info->is_valid = FALSE;
297 binding_info->is_valid = TRUE;
301 compare_versions (AssemblyVersionSet *v, MonoAssemblyName *aname)
303 if (v->major > aname->major)
305 else if (v->major < aname->major)
308 if (v->minor > aname->minor)
310 else if (v->minor < aname->minor)
313 if (v->build > aname->build)
315 else if (v->build < aname->build)
318 if (v->revision > aname->revision)
320 else if (v->revision < aname->revision)
327 check_policy_versions (MonoAssemblyBindingInfo *info, MonoAssemblyName *name)
332 /* If has_old_version_top doesn't exist, we don't have an interval */
333 if (!info->has_old_version_top) {
334 if (compare_versions (&info->old_version_bottom, name) == 0)
340 /* Check that the version defined by name is valid for the interval */
341 if (compare_versions (&info->old_version_top, name) < 0)
344 /* We should be greater or equal than the small version */
345 if (compare_versions (&info->old_version_bottom, name) > 0)
352 * mono_assembly_names_equal:
354 * @r: second assembly.
356 * Compares two MonoAssemblyNames and returns whether they are equal.
358 * This compares the names, the cultures, the release version and their
361 * Returns: TRUE if both assembly names are equal.
364 mono_assembly_names_equal (MonoAssemblyName *l, MonoAssemblyName *r)
366 if (!l->name || !r->name)
369 if (strcmp (l->name, r->name))
372 if (l->culture && r->culture && strcmp (l->culture, r->culture))
375 if (l->major != r->major || l->minor != r->minor ||
376 l->build != r->build || l->revision != r->revision)
377 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)))
380 if (!l->public_key_token [0] || !r->public_key_token [0])
383 if (!mono_public_tokens_are_equal (l->public_key_token, r->public_key_token))
390 search_loaded (MonoAssemblyName* aname, gboolean refonly)
394 ass = mono_assembly_invoke_search_hook_internal (aname, refonly, FALSE);
401 static MonoAssembly *
402 load_in_path (const char *basename, const char** search_path, MonoImageOpenStatus *status, MonoBoolean refonly)
406 MonoAssembly *result;
408 for (i = 0; search_path [i]; ++i) {
409 fullpath = g_build_filename (search_path [i], basename, NULL);
410 result = mono_assembly_open_full (fullpath, status, refonly);
419 * mono_assembly_setrootdir:
420 * @root_dir: The pathname of the root directory where we will locate assemblies
422 * This routine sets the internal default root directory for looking up
425 * This is used by Windows installations to compute dynamically the
426 * place where the Mono assemblies are located.
430 mono_assembly_setrootdir (const char *root_dir)
433 * Override the MONO_ASSEMBLIES directory configured at compile time.
435 /* Leak if called more than once */
436 default_path [0] = g_strdup (root_dir);
440 * mono_assembly_getrootdir:
442 * Obtains the root directory used for looking up assemblies.
444 * Returns: a string with the directory, this string should not be freed.
446 G_CONST_RETURN gchar *
447 mono_assembly_getrootdir (void)
449 return default_path [0];
454 * @assembly_dir: the base directory for assemblies
455 * @config_dir: the base directory for configuration files
457 * This routine is used internally and by developers embedding
458 * the runtime into their own applications.
460 * There are a number of cases to consider: Mono as a system-installed
461 * package that is available on the location preconfigured or Mono in
462 * a relocated location.
464 * If you are using a system-installed Mono, you can pass NULL
465 * to both parameters. If you are not, you should compute both
466 * directory values and call this routine.
468 * The values for a given PREFIX are:
470 * assembly_dir: PREFIX/lib
471 * config_dir: PREFIX/etc
473 * Notice that embedders that use Mono in a relocated way must
474 * compute the location at runtime, as they will be in control
475 * of where Mono is installed.
478 mono_set_dirs (const char *assembly_dir, const char *config_dir)
480 #if defined (MONO_ASSEMBLIES)
481 if (assembly_dir == NULL)
482 assembly_dir = MONO_ASSEMBLIES;
484 #if defined (MONO_CFG_DIR)
485 if (config_dir == NULL)
486 config_dir = MONO_CFG_DIR;
488 mono_assembly_setrootdir (assembly_dir);
489 mono_set_config_dir (config_dir);
492 #ifndef PLATFORM_WIN32
495 compute_base (char *path)
497 char *p = rindex (path, '/');
501 /* Not a well known Mono executable, we are embedded, cant guess the base */
502 if (strcmp (p, "/mono") && strcmp (p, "/monodis") && strcmp (p, "/mint") && strcmp (p, "/monodiet"))
506 p = rindex (path, '/');
510 if (strcmp (p, "/bin") != 0)
519 mono_set_dirs (MONO_ASSEMBLIES, MONO_CFG_DIR);
526 char *config, *lib, *mono;
530 * Only /usr prefix is treated specially
532 if (strncmp (exe, MONO_BINDIR, strlen (MONO_BINDIR)) == 0 || (base = compute_base (exe)) == NULL){
537 config = g_build_filename (base, "etc", NULL);
538 lib = g_build_filename (base, "lib", NULL);
539 mono = g_build_filename (lib, "mono/1.0", NULL);
540 if (stat (mono, &buf) == -1)
543 mono_set_dirs (lib, config);
551 #endif /* PLATFORM_WIN32 */
554 #undef GetModuleFileName
555 #define GetModuleFileName ceGetModuleFileNameA
557 DWORD ceGetModuleFileNameA(HMODULE hModule, char* lpFilename, DWORD nSize)
560 wchar_t* wbuff = (wchar_t*)LocalAlloc(LPTR, nSize*2);
561 res = GetModuleFileNameW(hModule, wbuff, nSize);
563 int len = wcslen(wbuff);
564 WideCharToMultiByte(CP_ACP, 0, wbuff, len, lpFilename, len, NULL, NULL);
574 * Registers the root directory for the Mono runtime, for Linux and Solaris 10,
575 * this auto-detects the prefix where Mono was installed.
578 mono_set_rootdir (void)
580 #ifdef PLATFORM_WIN32
581 gunichar2 moddir [MAXPATHLEN];
582 gchar *bindir, *installdir, *root, *utf8name, *config;
584 GetModuleFileNameW (NULL, moddir, MAXPATHLEN);
585 utf8name = g_utf16_to_utf8 (moddir, -1, NULL, NULL, NULL);
586 bindir = g_path_get_dirname (utf8name);
587 installdir = g_path_get_dirname (bindir);
588 root = g_build_path (G_DIR_SEPARATOR_S, installdir, "lib", NULL);
590 config = g_build_filename (root, "..", "etc", NULL);
591 mono_set_dirs (root, config);
604 s = readlink ("/proc/self/exe", buf, sizeof (buf)-1);
612 /* Solaris 10 style */
613 str = g_strdup_printf ("/proc/%d/path/a.out", getpid ());
614 s = readlink (str, buf, sizeof (buf)-1);
626 * mono_assemblies_init:
628 * Initialize global variables used by this module.
631 mono_assemblies_init (void)
634 * Initialize our internal paths if we have not been initialized yet.
635 * This happens when embedders use Mono.
637 if (mono_assembly_getrootdir () == NULL)
641 check_extra_gac_path_env ();
643 InitializeCriticalSection (&assemblies_mutex);
647 mono_assembly_fill_assembly_name (MonoImage *image, MonoAssemblyName *aname)
649 MonoTableInfo *t = &image->tables [MONO_TABLE_ASSEMBLY];
650 guint32 cols [MONO_ASSEMBLY_SIZE];
655 mono_metadata_decode_row (t, 0, cols, MONO_ASSEMBLY_SIZE);
658 aname->hash_value = NULL;
659 aname->name = mono_metadata_string_heap (image, cols [MONO_ASSEMBLY_NAME]);
660 aname->culture = mono_metadata_string_heap (image, cols [MONO_ASSEMBLY_CULTURE]);
661 aname->flags = cols [MONO_ASSEMBLY_FLAGS];
662 aname->major = cols [MONO_ASSEMBLY_MAJOR_VERSION];
663 aname->minor = cols [MONO_ASSEMBLY_MINOR_VERSION];
664 aname->build = cols [MONO_ASSEMBLY_BUILD_NUMBER];
665 aname->revision = cols [MONO_ASSEMBLY_REV_NUMBER];
666 aname->hash_alg = cols [MONO_ASSEMBLY_HASH_ALG];
667 if (cols [MONO_ASSEMBLY_PUBLIC_KEY]) {
668 guchar* token = g_malloc (8);
673 pkey = mono_metadata_blob_heap (image, cols [MONO_ASSEMBLY_PUBLIC_KEY]);
674 len = mono_metadata_decode_blob_size (pkey, &pkey);
675 aname->public_key = (guchar*)pkey;
677 mono_digest_get_public_token (token, aname->public_key, len);
678 encoded = encode_public_tok (token, 8);
679 g_strlcpy ((char*)aname->public_key_token, encoded, MONO_PUBLIC_KEY_TOKEN_LENGTH);
685 aname->public_key = NULL;
686 memset (aname->public_key_token, 0, MONO_PUBLIC_KEY_TOKEN_LENGTH);
689 if (cols [MONO_ASSEMBLY_PUBLIC_KEY]) {
690 aname->public_key = (guchar*)mono_metadata_blob_heap (image, cols [MONO_ASSEMBLY_PUBLIC_KEY]);
693 aname->public_key = 0;
699 * mono_stringify_assembly_name:
700 * @aname: the assembly name.
702 * Convert @aname into its string format. The returned string is dynamically
703 * allocated and should be freed by the caller.
705 * Returns: a newly allocated string with a string representation of
709 mono_stringify_assembly_name (MonoAssemblyName *aname)
711 return g_strdup_printf (
712 "%s, Version=%d.%d.%d.%d, Culture=%s, PublicKeyToken=%s%s",
714 aname->major, aname->minor, aname->build, aname->revision,
715 aname->culture && *aname->culture? aname->culture: "neutral",
716 aname->public_key_token [0] ? (char *)aname->public_key_token : "null",
717 (aname->flags & ASSEMBLYREF_RETARGETABLE_FLAG) ? ", Retargetable=Yes" : "");
721 assemblyref_public_tok (MonoImage *image, guint32 key_index, guint32 flags)
723 const gchar *public_tok;
726 public_tok = mono_metadata_blob_heap (image, key_index);
727 len = mono_metadata_decode_blob_size (public_tok, &public_tok);
729 if (flags & ASSEMBLYREF_FULL_PUBLIC_KEY_FLAG) {
731 mono_digest_get_public_token (token, (guchar*)public_tok, len);
732 return encode_public_tok (token, 8);
735 return encode_public_tok ((guchar*)public_tok, len);
739 * mono_assembly_addref:
740 * @assemnly: the assembly to reference
742 * This routine increments the reference count on a MonoAssembly.
743 * The reference count is reduced every time the method mono_assembly_close() is
747 mono_assembly_addref (MonoAssembly *assembly)
749 InterlockedIncrement (&assembly->ref_count);
752 static MonoAssemblyName *
753 mono_assembly_remap_version (MonoAssemblyName *aname, MonoAssemblyName *dest_aname)
755 const MonoRuntimeInfo *current_runtime;
756 int pos, first, last;
758 if (aname->name == NULL) return aname;
759 current_runtime = mono_get_runtime_info ();
762 last = G_N_ELEMENTS (framework_assemblies) - 1;
764 while (first <= last) {
766 pos = first + (last - first) / 2;
767 res = strcmp (aname->name, framework_assemblies[pos].assembly_name);
769 const AssemblyVersionSet* vset;
770 int index = framework_assemblies[pos].version_set_index;
771 g_assert (index < G_N_ELEMENTS (current_runtime->version_sets));
772 vset = ¤t_runtime->version_sets [index];
774 if (aname->major == vset->major && aname->minor == vset->minor &&
775 aname->build == vset->build && aname->revision == vset->revision)
778 if ((aname->major | aname->minor | aname->build | aname->revision) != 0)
779 mono_trace (G_LOG_LEVEL_WARNING, MONO_TRACE_ASSEMBLY,
780 "The request to load the assembly %s v%d.%d.%d.%d was remapped to v%d.%d.%d.%d",
782 aname->major, aname->minor, aname->build, aname->revision,
783 vset->major, vset->minor, vset->build, vset->revision
786 memcpy (dest_aname, aname, sizeof(MonoAssemblyName));
787 dest_aname->major = vset->major;
788 dest_aname->minor = vset->minor;
789 dest_aname->build = vset->build;
790 dest_aname->revision = vset->revision;
792 } else if (res < 0) {
802 * mono_assembly_get_assemblyref:
804 * Fill out ANAME with the assembly name of the INDEXth assembly reference in IMAGE.
807 mono_assembly_get_assemblyref (MonoImage *image, int index, MonoAssemblyName *aname)
810 guint32 cols [MONO_ASSEMBLYREF_SIZE];
813 t = &image->tables [MONO_TABLE_ASSEMBLYREF];
815 mono_metadata_decode_row (t, index, cols, MONO_ASSEMBLYREF_SIZE);
817 hash = mono_metadata_blob_heap (image, cols [MONO_ASSEMBLYREF_HASH_VALUE]);
818 aname->hash_len = mono_metadata_decode_blob_size (hash, &hash);
819 aname->hash_value = hash;
820 aname->name = mono_metadata_string_heap (image, cols [MONO_ASSEMBLYREF_NAME]);
821 aname->culture = mono_metadata_string_heap (image, cols [MONO_ASSEMBLYREF_CULTURE]);
822 aname->flags = cols [MONO_ASSEMBLYREF_FLAGS];
823 aname->major = cols [MONO_ASSEMBLYREF_MAJOR_VERSION];
824 aname->minor = cols [MONO_ASSEMBLYREF_MINOR_VERSION];
825 aname->build = cols [MONO_ASSEMBLYREF_BUILD_NUMBER];
826 aname->revision = cols [MONO_ASSEMBLYREF_REV_NUMBER];
828 if (cols [MONO_ASSEMBLYREF_PUBLIC_KEY]) {
829 gchar *token = assemblyref_public_tok (image, cols [MONO_ASSEMBLYREF_PUBLIC_KEY], aname->flags);
830 g_strlcpy ((char*)aname->public_key_token, token, MONO_PUBLIC_KEY_TOKEN_LENGTH);
833 memset (aname->public_key_token, 0, MONO_PUBLIC_KEY_TOKEN_LENGTH);
838 mono_assembly_load_reference (MonoImage *image, int index)
840 MonoAssembly *reference;
841 MonoAssemblyName aname;
842 MonoImageOpenStatus status;
845 * image->references is shared between threads, so we need to access
846 * it inside a critical section.
848 mono_assemblies_lock ();
849 if (!image->references) {
850 MonoTableInfo *t = &image->tables [MONO_TABLE_ASSEMBLYREF];
852 image->references = g_new0 (MonoAssembly *, t->rows + 1);
854 reference = image->references [index];
855 mono_assemblies_unlock ();
859 mono_assembly_get_assemblyref (image, index, &aname);
861 if (image->assembly && image->assembly->ref_only) {
862 /* We use the loaded corlib */
863 if (!strcmp (aname.name, "mscorlib"))
864 reference = mono_assembly_load_full (&aname, image->assembly->basedir, &status, FALSE);
866 reference = mono_assembly_loaded_full (&aname, TRUE);
868 /* Try a postload search hook */
869 reference = mono_assembly_invoke_search_hook_internal (&aname, TRUE, TRUE);
873 * Here we must advice that the error was due to
874 * a non loaded reference using the ReflectionOnly api
877 reference = REFERENCE_MISSING;
879 reference = mono_assembly_load (&aname, image->assembly? image->assembly->basedir: NULL, &status);
881 if (reference == NULL){
882 char *extra_msg = g_strdup ("");
884 if (status == MONO_IMAGE_ERROR_ERRNO && errno == ENOENT) {
885 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);
886 } else if (status == MONO_IMAGE_ERROR_ERRNO) {
887 extra_msg = g_strdup_printf ("System error: %s\n", strerror (errno));
888 } else if (status == MONO_IMAGE_MISSING_ASSEMBLYREF) {
889 extra_msg = g_strdup ("Cannot find an assembly referenced from this one.\n");
890 } else if (status == MONO_IMAGE_IMAGE_INVALID) {
891 extra_msg = g_strdup ("The file exists but is not a valid assembly.\n");
894 g_warning ("The following assembly referenced from %s could not be loaded:\n"
895 " Assembly: %s (assemblyref_index=%d)\n"
896 " Version: %d.%d.%d.%d\n"
897 " Public Key: %s\n%s",
898 image->name, aname.name, index,
899 aname.major, aname.minor, aname.build, aname.revision,
900 strlen ((char*)aname.public_key_token) == 0 ? "(none)" : (char*)aname.public_key_token, extra_msg);
904 mono_assemblies_lock ();
905 if (reference == NULL) {
906 /* Flag as not found */
907 reference = REFERENCE_MISSING;
910 if (!image->references [index]) {
911 if (reference != REFERENCE_MISSING){
912 mono_assembly_addref (reference);
914 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_ASSEMBLY, "Assembly Ref addref %s %p -> %s %p: %d\n",
915 image->assembly->aname.name, image->assembly, reference->aname.name, reference, reference->ref_count);
918 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_ASSEMBLY, "Failed to load assembly %s %p\n",
919 image->assembly->aname.name, image->assembly);
922 image->references [index] = reference;
924 mono_assemblies_unlock ();
926 if (image->references [index] != reference) {
927 /* Somebody loaded it before us */
928 mono_assembly_close (reference);
933 mono_assembly_load_references (MonoImage *image, MonoImageOpenStatus *status)
935 /* This is a no-op now but it is part of the embedding API so we can't remove it */
936 *status = MONO_IMAGE_OK;
939 typedef struct AssemblyLoadHook AssemblyLoadHook;
940 struct AssemblyLoadHook {
941 AssemblyLoadHook *next;
942 MonoAssemblyLoadFunc func;
946 AssemblyLoadHook *assembly_load_hook = NULL;
949 mono_assembly_invoke_load_hook (MonoAssembly *ass)
951 AssemblyLoadHook *hook;
953 for (hook = assembly_load_hook; hook; hook = hook->next) {
954 hook->func (ass, hook->user_data);
959 mono_install_assembly_load_hook (MonoAssemblyLoadFunc func, gpointer user_data)
961 AssemblyLoadHook *hook;
963 g_return_if_fail (func != NULL);
965 hook = g_new0 (AssemblyLoadHook, 1);
967 hook->user_data = user_data;
968 hook->next = assembly_load_hook;
969 assembly_load_hook = hook;
973 free_assembly_load_hooks (void)
975 AssemblyLoadHook *hook, *next;
977 for (hook = assembly_load_hook; hook; hook = next) {
983 typedef struct AssemblySearchHook AssemblySearchHook;
984 struct AssemblySearchHook {
985 AssemblySearchHook *next;
986 MonoAssemblySearchFunc func;
992 AssemblySearchHook *assembly_search_hook = NULL;
995 mono_assembly_invoke_search_hook_internal (MonoAssemblyName *aname, gboolean refonly, gboolean postload)
997 AssemblySearchHook *hook;
999 for (hook = assembly_search_hook; hook; hook = hook->next) {
1000 if ((hook->refonly == refonly) && (hook->postload == postload)) {
1001 MonoAssembly *ass = hook->func (aname, hook->user_data);
1011 mono_assembly_invoke_search_hook (MonoAssemblyName *aname)
1013 return mono_assembly_invoke_search_hook_internal (aname, FALSE, FALSE);
1017 mono_install_assembly_search_hook_internal (MonoAssemblySearchFunc func, gpointer user_data, gboolean refonly, gboolean postload)
1019 AssemblySearchHook *hook;
1021 g_return_if_fail (func != NULL);
1023 hook = g_new0 (AssemblySearchHook, 1);
1025 hook->user_data = user_data;
1026 hook->refonly = refonly;
1027 hook->postload = postload;
1028 hook->next = assembly_search_hook;
1029 assembly_search_hook = hook;
1033 mono_install_assembly_search_hook (MonoAssemblySearchFunc func, gpointer user_data)
1035 mono_install_assembly_search_hook_internal (func, user_data, FALSE, FALSE);
1039 free_assembly_search_hooks (void)
1041 AssemblySearchHook *hook, *next;
1043 for (hook = assembly_search_hook; hook; hook = next) {
1050 mono_install_assembly_refonly_search_hook (MonoAssemblySearchFunc func, gpointer user_data)
1052 mono_install_assembly_search_hook_internal (func, user_data, TRUE, FALSE);
1056 mono_install_assembly_postload_search_hook (MonoAssemblySearchFunc func, gpointer user_data)
1058 mono_install_assembly_search_hook_internal (func, user_data, FALSE, TRUE);
1062 mono_install_assembly_postload_refonly_search_hook (MonoAssemblySearchFunc func, gpointer user_data)
1064 mono_install_assembly_search_hook_internal (func, user_data, TRUE, TRUE);
1067 typedef struct AssemblyPreLoadHook AssemblyPreLoadHook;
1068 struct AssemblyPreLoadHook {
1069 AssemblyPreLoadHook *next;
1070 MonoAssemblyPreLoadFunc func;
1074 static AssemblyPreLoadHook *assembly_preload_hook = NULL;
1075 static AssemblyPreLoadHook *assembly_refonly_preload_hook = NULL;
1077 static MonoAssembly *
1078 invoke_assembly_preload_hook (MonoAssemblyName *aname, gchar **assemblies_path)
1080 AssemblyPreLoadHook *hook;
1081 MonoAssembly *assembly;
1083 for (hook = assembly_preload_hook; hook; hook = hook->next) {
1084 assembly = hook->func (aname, assemblies_path, hook->user_data);
1085 if (assembly != NULL)
1092 static MonoAssembly *
1093 invoke_assembly_refonly_preload_hook (MonoAssemblyName *aname, gchar **assemblies_path)
1095 AssemblyPreLoadHook *hook;
1096 MonoAssembly *assembly;
1098 for (hook = assembly_refonly_preload_hook; hook; hook = hook->next) {
1099 assembly = hook->func (aname, assemblies_path, hook->user_data);
1100 if (assembly != NULL)
1108 mono_install_assembly_preload_hook (MonoAssemblyPreLoadFunc func, gpointer user_data)
1110 AssemblyPreLoadHook *hook;
1112 g_return_if_fail (func != NULL);
1114 hook = g_new0 (AssemblyPreLoadHook, 1);
1116 hook->user_data = user_data;
1117 hook->next = assembly_preload_hook;
1118 assembly_preload_hook = hook;
1122 mono_install_assembly_refonly_preload_hook (MonoAssemblyPreLoadFunc func, gpointer user_data)
1124 AssemblyPreLoadHook *hook;
1126 g_return_if_fail (func != NULL);
1128 hook = g_new0 (AssemblyPreLoadHook, 1);
1130 hook->user_data = user_data;
1131 hook->next = assembly_refonly_preload_hook;
1132 assembly_refonly_preload_hook = hook;
1136 free_assembly_preload_hooks (void)
1138 AssemblyPreLoadHook *hook, *next;
1140 for (hook = assembly_preload_hook; hook; hook = next) {
1145 for (hook = assembly_refonly_preload_hook; hook; hook = next) {
1152 absolute_dir (const gchar *filename)
1163 if (g_path_is_absolute (filename))
1164 return g_path_get_dirname (filename);
1166 cwd = g_get_current_dir ();
1167 mixed = g_build_filename (cwd, filename, NULL);
1168 parts = g_strsplit (mixed, G_DIR_SEPARATOR_S, 0);
1173 for (i = 0; (part = parts [i]) != NULL; i++) {
1174 if (!strcmp (part, "."))
1177 if (!strcmp (part, "..")) {
1178 if (list && list->next) /* Don't remove root */
1179 list = g_list_delete_link (list, list);
1181 list = g_list_prepend (list, part);
1185 result = g_string_new ("");
1186 list = g_list_reverse (list);
1188 /* Ignores last data pointer, which should be the filename */
1189 for (tmp = list; tmp && tmp->next != NULL; tmp = tmp->next){
1191 g_string_append_printf (result, "%s%c", (char *) tmp->data,
1196 g_string_free (result, FALSE);
1201 return g_strdup (".");
1208 * mono_assembly_open_from_bundle:
1209 * @filename: Filename requested
1210 * @status: return value
1212 * This routine tries to open the assembly specified by `filename' from the
1213 * defined bundles, if found, returns the MonoImage for it, if not found
1217 mono_assembly_open_from_bundle (const char *filename, MonoImageOpenStatus *status, gboolean refonly)
1221 MonoImage *image = NULL;
1224 * we do a very simple search for bundled assemblies: it's not a general
1225 * purpose assembly loading mechanism.
1231 name = g_path_get_basename (filename);
1233 mono_assemblies_lock ();
1234 for (i = 0; !image && bundles [i]; ++i) {
1235 if (strcmp (bundles [i]->name, name) == 0) {
1236 image = mono_image_open_from_data_full ((char*)bundles [i]->data, bundles [i]->size, FALSE, status, refonly);
1240 mono_assemblies_unlock ();
1243 mono_image_addref (image);
1250 mono_assembly_open_full (const char *filename, MonoImageOpenStatus *status, gboolean refonly)
1254 MonoImageOpenStatus def_status;
1257 g_return_val_if_fail (filename != NULL, NULL);
1260 status = &def_status;
1261 *status = MONO_IMAGE_OK;
1263 if (strncmp (filename, "file://", 7) == 0) {
1264 GError *error = NULL;
1265 gchar *uri = (gchar *) filename;
1269 * MS allows file://c:/... and fails on file://localhost/c:/...
1270 * They also throw an IndexOutOfRangeException if "file://"
1273 uri = g_strdup_printf ("file:///%s", uri + 7);
1276 uri = mono_escape_uri_string (tmpuri);
1277 fname = g_filename_from_uri (uri, NULL, &error);
1280 if (tmpuri != filename)
1283 if (error != NULL) {
1284 g_warning ("%s\n", error->message);
1285 g_error_free (error);
1286 fname = g_strdup (filename);
1289 fname = g_strdup (filename);
1292 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_ASSEMBLY,
1293 "Assembly Loader probing location: '%s'.", filename);
1296 if (bundles != NULL)
1297 image = mono_assembly_open_from_bundle (fname, status, refonly);
1300 mono_assemblies_lock ();
1301 image = mono_image_open_full (fname, status, refonly);
1302 mono_assemblies_unlock ();
1306 if (*status == MONO_IMAGE_OK)
1307 *status = MONO_IMAGE_ERROR_ERRNO;
1312 if (image->assembly) {
1313 /* Already loaded by another appdomain */
1314 mono_assembly_invoke_load_hook (image->assembly);
1315 mono_image_close (image);
1317 return image->assembly;
1320 ass = mono_assembly_load_from_full (image, fname, status, refonly);
1323 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_ASSEMBLY,
1324 "Assembly Loader loaded assembly from location: '%s'.", filename);
1326 mono_config_for_assembly (ass->image);
1329 /* Clear the reference added by mono_image_open */
1330 mono_image_close (image);
1338 * mono_load_friend_assemblies:
1341 * Load the list of friend assemblies that are allowed to access
1342 * the assembly's internal types and members. They are stored as assembly
1343 * names in custom attributes.
1345 * This is an internal method, we need this because when we load mscorlib
1346 * we do not have the mono_defaults.internals_visible_class loaded yet,
1347 * so we need to load these after we initialize the runtime.
1350 mono_assembly_load_friends (MonoAssembly* ass)
1353 MonoCustomAttrInfo* attrs = mono_custom_attrs_from_assembly (ass);
1356 for (i = 0; i < attrs->num_attrs; ++i) {
1357 MonoCustomAttrEntry *attr = &attrs->attrs [i];
1358 MonoAssemblyName *aname;
1361 /* Do some sanity checking */
1362 if (!attr->ctor || attr->ctor->klass != mono_defaults.internals_visible_class)
1364 if (attr->data_size < 4)
1366 data = (const char*)attr->data;
1367 /* 0xFF means null string, see custom attr format */
1368 if (data [0] != 1 || data [1] != 0 || (data [2] & 0xFF) == 0xFF)
1370 slen = mono_metadata_decode_value (data + 2, &data);
1371 aname = g_new0 (MonoAssemblyName, 1);
1372 /*g_print ("friend ass: %s\n", data);*/
1373 if (mono_assembly_name_parse_full (data, aname, TRUE, NULL, NULL)) {
1374 ass->friend_assembly_names = g_slist_prepend (ass->friend_assembly_names, aname);
1379 mono_custom_attrs_free (attrs);
1383 * mono_assembly_open:
1384 * @filename: Opens the assembly pointed out by this name
1385 * @status: where a status code can be returned
1387 * mono_assembly_open opens the PE-image pointed by @filename, and
1388 * loads any external assemblies referenced by it.
1390 * Return: a pointer to the MonoAssembly if @filename contains a valid
1391 * assembly or NULL on error. Details about the error are stored in the
1395 mono_assembly_open (const char *filename, MonoImageOpenStatus *status)
1397 return mono_assembly_open_full (filename, status, FALSE);
1401 mono_assembly_load_from_full (MonoImage *image, const char*fname,
1402 MonoImageOpenStatus *status, gboolean refonly)
1404 MonoAssembly *ass, *ass2;
1407 if (!image->tables [MONO_TABLE_ASSEMBLY].rows) {
1408 /* 'image' doesn't have a manifest -- maybe someone is trying to Assembly.Load a .netmodule */
1409 *status = MONO_IMAGE_IMAGE_INVALID;
1413 #if defined (PLATFORM_WIN32)
1418 tmp_fn = g_strdup (fname);
1419 for (i = strlen (tmp_fn) - 1; i >= 0; i--) {
1420 if (tmp_fn [i] == '/')
1424 base_dir = absolute_dir (tmp_fn);
1428 base_dir = absolute_dir (fname);
1432 * Create assembly struct, and enter it into the assembly cache
1434 ass = g_new0 (MonoAssembly, 1);
1435 ass->basedir = base_dir;
1436 ass->ref_only = refonly;
1439 mono_profiler_assembly_event (ass, MONO_PROFILE_START_LOAD);
1441 mono_assembly_fill_assembly_name (image, &ass->aname);
1443 if (mono_defaults.corlib && strcmp (ass->aname.name, "mscorlib") == 0) {
1444 // MS.NET doesn't support loading other mscorlibs
1447 mono_image_addref (mono_defaults.corlib);
1448 *status = MONO_IMAGE_OK;
1449 return mono_defaults.corlib->assembly;
1452 /* Add a non-temporary reference because of ass->image */
1453 mono_image_addref (image);
1455 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_ASSEMBLY, "Image addref %s %p -> %s %p: %d\n", ass->aname.name, ass, image->name, image, image->ref_count);
1458 * Atomically search the loaded list and add ourselves to it if necessary.
1460 mono_assemblies_lock ();
1461 if (ass->aname.name) {
1462 /* avoid loading the same assembly twice for now... */
1463 ass2 = search_loaded (&ass->aname, refonly);
1465 mono_assemblies_unlock ();
1468 mono_image_close (image);
1469 *status = MONO_IMAGE_OK;
1474 g_assert (image->assembly == NULL);
1475 image->assembly = ass;
1477 loaded_assemblies = g_list_prepend (loaded_assemblies, ass);
1478 if (mono_defaults.internals_visible_class)
1479 mono_assembly_load_friends (ass);
1480 mono_assemblies_unlock ();
1482 mono_assembly_invoke_load_hook (ass);
1484 mono_profiler_assembly_loaded (ass, MONO_PROFILE_OK);
1490 mono_assembly_load_from (MonoImage *image, const char *fname,
1491 MonoImageOpenStatus *status)
1493 return mono_assembly_load_from_full (image, fname, status, FALSE);
1497 * mono_assembly_name_free:
1498 * @aname: assembly name to free
1500 * Frees the provided assembly name object.
1501 * (it does not frees the object itself, only the name members).
1504 mono_assembly_name_free (MonoAssemblyName *aname)
1509 g_free ((void *) aname->name);
1510 g_free ((void *) aname->culture);
1511 g_free ((void *) aname->hash_value);
1515 parse_public_key (const gchar *key, gchar** pubkey)
1518 gchar header [16], val, *arr;
1519 gint i, j, offset, bitlen, keylen, pkeylen;
1521 keylen = strlen (key) >> 1;
1525 val = g_ascii_xdigit_value (key [0]) << 4;
1526 val |= g_ascii_xdigit_value (key [1]);
1531 val = g_ascii_xdigit_value (key [24]);
1532 val |= g_ascii_xdigit_value (key [25]);
1544 /* We need the first 16 bytes
1545 * to check whether this key is valid or not */
1546 pkeylen = strlen (pkey) >> 1;
1550 for (i = 0, j = 0; i < 16; i++) {
1551 header [i] = g_ascii_xdigit_value (pkey [j++]) << 4;
1552 header [i] |= g_ascii_xdigit_value (pkey [j++]);
1555 if (header [0] != 0x06 || /* PUBLICKEYBLOB (0x06) */
1556 header [1] != 0x02 || /* Version (0x02) */
1557 header [2] != 0x00 || /* Reserved (word) */
1558 header [3] != 0x00 ||
1559 (guint)(read32 (header + 8)) != 0x31415352) /* DWORD magic = RSA1 */
1562 /* Based on this length, we _should_ be able to know if the length is right */
1563 bitlen = read32 (header + 12) >> 3;
1564 if ((bitlen + 16 + 4) != pkeylen)
1567 /* Encode the size of the blob */
1569 if (keylen <= 127) {
1570 arr = g_malloc (keylen + 1);
1571 arr [offset++] = keylen;
1573 arr = g_malloc (keylen + 2);
1574 arr [offset++] = 0x80; /* 10bs */
1575 arr [offset++] = keylen;
1578 for (i = offset, j = 0; i < keylen + offset; i++) {
1579 arr [i] = g_ascii_xdigit_value (key [j++]) << 4;
1580 arr [i] |= g_ascii_xdigit_value (key [j++]);
1589 build_assembly_name (const char *name, const char *version, const char *culture, const char *token, const char *key, guint32 flags, MonoAssemblyName *aname, gboolean save_public_key)
1591 gint major, minor, build, revision;
1594 gchar *pkey, *pkeyptr, *encoded, tok [8];
1596 memset (aname, 0, sizeof (MonoAssemblyName));
1599 version_parts = sscanf (version, "%u.%u.%u.%u", &major, &minor, &build, &revision);
1600 if (version_parts < 2 || version_parts > 4)
1603 /* FIXME: we should set build & revision to -1 (instead of 0)
1604 if these are not set in the version string. That way, later on,
1605 we can still determine if these were specified. */
1606 aname->major = major;
1607 aname->minor = minor;
1608 if (version_parts >= 3)
1609 aname->build = build;
1612 if (version_parts == 4)
1613 aname->revision = revision;
1615 aname->revision = 0;
1618 aname->flags = flags;
1619 aname->name = g_strdup (name);
1622 if (g_ascii_strcasecmp (culture, "neutral") == 0)
1623 aname->culture = g_strdup ("");
1625 aname->culture = g_strdup (culture);
1628 if (token && strncmp (token, "null", 4) != 0) {
1631 /* the constant includes the ending NULL, hence the -1 */
1632 if (strlen (token) != (MONO_PUBLIC_KEY_TOKEN_LENGTH - 1)) {
1635 lower = g_ascii_strdown (token, MONO_PUBLIC_KEY_TOKEN_LENGTH);
1636 g_strlcpy ((char*)aname->public_key_token, lower, MONO_PUBLIC_KEY_TOKEN_LENGTH);
1641 if (strcmp (key, "null") == 0 || !parse_public_key (key, &pkey)) {
1642 mono_assembly_name_free (aname);
1646 len = mono_metadata_decode_blob_size ((const gchar *) pkey, (const gchar **) &pkeyptr);
1647 // We also need to generate the key token
1648 mono_digest_get_public_token ((guchar*) tok, (guint8*) pkeyptr, len);
1649 encoded = encode_public_tok ((guchar*) tok, 8);
1650 g_strlcpy ((gchar*)aname->public_key_token, encoded, MONO_PUBLIC_KEY_TOKEN_LENGTH);
1653 if (save_public_key)
1654 aname->public_key = (guint8*) pkey;
1663 parse_assembly_directory_name (const char *name, const char *dirname, MonoAssemblyName *aname)
1668 parts = g_strsplit (dirname, "_", 3);
1669 if (!parts || !parts[0] || !parts[1] || !parts[2]) {
1674 res = build_assembly_name (name, parts[0], parts[1], parts[2], NULL, 0, aname, FALSE);
1680 mono_assembly_name_parse_full (const char *name, MonoAssemblyName *aname, gboolean save_public_key, gboolean *is_version_defined, gboolean *is_token_defined)
1683 gchar *version = NULL;
1684 gchar *culture = NULL;
1685 gchar *token = NULL;
1687 gchar *retargetable = NULL;
1692 gboolean version_defined;
1693 gboolean token_defined;
1696 if (!is_version_defined)
1697 is_version_defined = &version_defined;
1698 *is_version_defined = FALSE;
1699 if (!is_token_defined)
1700 is_token_defined = &token_defined;
1701 *is_token_defined = FALSE;
1703 parts = tmp = g_strsplit (name, ",", 6);
1704 if (!tmp || !*tmp) {
1709 dllname = g_strstrip (*tmp);
1714 value = g_strstrip (*tmp);
1715 if (!g_ascii_strncasecmp (value, "Version=", 8)) {
1716 *is_version_defined = TRUE;
1717 version = g_strstrip (value + 8);
1718 if (strlen (version) == 0) {
1725 if (!g_ascii_strncasecmp (value, "Culture=", 8)) {
1726 culture = g_strstrip (value + 8);
1727 if (strlen (culture) == 0) {
1734 if (!g_ascii_strncasecmp (value, "PublicKeyToken=", 15)) {
1735 *is_token_defined = TRUE;
1736 token = g_strstrip (value + 15);
1737 if (strlen (token) == 0) {
1744 if (!g_ascii_strncasecmp (value, "PublicKey=", 10)) {
1745 key = g_strstrip (value + 10);
1746 if (strlen (key) == 0) {
1753 if (!g_ascii_strncasecmp (value, "Retargetable=", 13)) {
1754 retargetable = g_strstrip (value + 13);
1755 if (strlen (retargetable) == 0) {
1758 if (!g_ascii_strcasecmp (retargetable, "yes")) {
1759 flags |= ASSEMBLYREF_RETARGETABLE_FLAG;
1760 } else if (g_ascii_strcasecmp (retargetable, "no")) {
1767 if (!g_ascii_strncasecmp (value, "ProcessorArchitecture=", 22)) {
1768 /* this is ignored for now, until we can change MonoAssemblyName */
1777 /* if retargetable flag is set, then we must have a fully qualified name */
1778 if (retargetable != NULL && (version == NULL || culture == NULL || (key == NULL && token == NULL))) {
1782 res = build_assembly_name (dllname, version, culture, token, key, flags,
1783 aname, save_public_key);
1789 * mono_assembly_name_parse:
1790 * @name: name to parse
1791 * @aname: the destination assembly name
1793 * Parses an assembly qualified type name and assigns the name,
1794 * version, culture and token to the provided assembly name object.
1796 * Returns: true if the name could be parsed.
1799 mono_assembly_name_parse (const char *name, MonoAssemblyName *aname)
1801 return mono_assembly_name_parse_full (name, aname, FALSE, NULL, NULL);
1804 static MonoAssembly*
1805 probe_for_partial_name (const char *basepath, const char *fullname, MonoAssemblyName *aname, MonoImageOpenStatus *status)
1807 gchar *fullpath = NULL;
1809 const char* direntry;
1810 MonoAssemblyName gac_aname;
1811 gint major=-1, minor=0, build=0, revision=0;
1812 gboolean exact_version;
1814 dirhandle = g_dir_open (basepath, 0, NULL);
1818 exact_version = (aname->major | aname->minor | aname->build | aname->revision) != 0;
1820 while ((direntry = g_dir_read_name (dirhandle))) {
1821 gboolean match = TRUE;
1823 if(!parse_assembly_directory_name (aname->name, direntry, &gac_aname))
1826 if (aname->culture != NULL && strcmp (aname->culture, gac_aname.culture) != 0)
1829 if (match && strlen ((char*)aname->public_key_token) > 0 &&
1830 !mono_public_tokens_are_equal (aname->public_key_token, gac_aname.public_key_token))
1834 if (exact_version) {
1835 match = (aname->major == gac_aname.major && aname->minor == gac_aname.minor &&
1836 aname->build == gac_aname.build && aname->revision == gac_aname.revision);
1838 else if (gac_aname.major < major)
1840 else if (gac_aname.major == major) {
1841 if (gac_aname.minor < minor)
1843 else if (gac_aname.minor == minor) {
1844 if (gac_aname.build < build)
1846 else if (gac_aname.build == build && gac_aname.revision <= revision)
1853 major = gac_aname.major;
1854 minor = gac_aname.minor;
1855 build = gac_aname.build;
1856 revision = gac_aname.revision;
1858 fullpath = g_build_path (G_DIR_SEPARATOR_S, basepath, direntry, fullname, NULL);
1861 mono_assembly_name_free (&gac_aname);
1864 g_dir_close (dirhandle);
1866 if (fullpath == NULL)
1869 MonoAssembly *res = mono_assembly_open (fullpath, status);
1876 mono_assembly_load_with_partial_name (const char *name, MonoImageOpenStatus *status)
1879 MonoAssemblyName *aname, base_name, maped_aname;
1880 gchar *fullname, *gacpath;
1883 memset (&base_name, 0, sizeof (MonoAssemblyName));
1886 if (!mono_assembly_name_parse (name, aname))
1890 * If no specific version has been requested, make sure we load the
1891 * correct version for system assemblies.
1893 if ((aname->major | aname->minor | aname->build | aname->revision) == 0)
1894 aname = mono_assembly_remap_version (aname, &maped_aname);
1896 res = mono_assembly_loaded (aname);
1898 mono_assembly_name_free (aname);
1902 res = invoke_assembly_preload_hook (aname, assemblies_path);
1904 res->in_gac = FALSE;
1905 mono_assembly_name_free (aname);
1909 fullname = g_strdup_printf ("%s.dll", aname->name);
1911 if (extra_gac_paths) {
1912 paths = extra_gac_paths;
1913 while (!res && *paths) {
1914 gacpath = g_build_path (G_DIR_SEPARATOR_S, *paths, "lib", "mono", "gac", aname->name, NULL);
1915 res = probe_for_partial_name (gacpath, fullname, aname, status);
1924 mono_assembly_name_free (aname);
1928 gacpath = g_build_path (G_DIR_SEPARATOR_S, mono_assembly_getrootdir (), "mono", "gac", aname->name, NULL);
1929 res = probe_for_partial_name (gacpath, fullname, aname, status);
1935 MonoDomain *domain = mono_domain_get ();
1936 MonoReflectionAssembly *refasm = mono_try_assembly_resolve (domain, mono_string_new (domain, name), FALSE);
1938 res = refasm->assembly;
1942 mono_assembly_name_free (aname);
1948 mono_assembly_load_publisher_policy (MonoAssemblyName *aname)
1951 gchar *filename, *pname, *name, *culture, *version, *fullpath, *subpath;
1955 if (strstr (aname->name, ".dll")) {
1956 len = strlen (aname->name) - 4;
1957 name = g_malloc (len);
1958 strncpy (name, aname->name, len);
1960 name = g_strdup (aname->name);
1962 if (aname->culture) {
1963 culture = g_strdup (aname->culture);
1964 g_strdown (culture);
1966 culture = g_strdup ("");
1968 pname = g_strdup_printf ("policy.%d.%d.%s", aname->major, aname->minor, name);
1969 version = g_strdup_printf ("0.0.0.0_%s_%s", culture, aname->public_key_token);
1973 filename = g_strconcat (pname, ".dll", NULL);
1974 subpath = g_build_path (G_DIR_SEPARATOR_S, pname, version, filename, NULL);
1980 if (extra_gac_paths) {
1981 paths = extra_gac_paths;
1982 while (!image && *paths) {
1983 fullpath = g_build_path (G_DIR_SEPARATOR_S, *paths,
1984 "lib", "mono", "gac", subpath, NULL);
1985 image = mono_image_open (fullpath, NULL);
1996 fullpath = g_build_path (G_DIR_SEPARATOR_S, mono_assembly_getrootdir (),
1997 "mono", "gac", subpath, NULL);
1998 image = mono_image_open (fullpath, NULL);
2005 static MonoAssemblyName*
2006 mono_assembly_bind_version (MonoAssemblyBindingInfo *info, MonoAssemblyName *aname, MonoAssemblyName *dest_name)
2008 memcpy (dest_name, aname, sizeof (MonoAssemblyName));
2009 dest_name->major = info->new_version.major;
2010 dest_name->minor = info->new_version.minor;
2011 dest_name->build = info->new_version.build;
2012 dest_name->revision = info->new_version.revision;
2017 /* LOCKING: Assumes that we are already locked */
2018 static MonoAssemblyBindingInfo*
2019 search_binding_loaded (MonoAssemblyName *aname)
2023 for (tmp = loaded_assembly_bindings; tmp; tmp = tmp->next) {
2024 MonoAssemblyBindingInfo *info = tmp->data;
2025 if (assembly_binding_maps_name (info, aname))
2032 static MonoAssemblyName*
2033 mono_assembly_apply_binding (MonoAssemblyName *aname, MonoAssemblyName *dest_name)
2035 MonoAssemblyBindingInfo *info, *info2;
2038 if (aname->public_key_token [0] == 0)
2041 mono_loader_lock ();
2042 info = search_binding_loaded (aname);
2043 mono_loader_unlock ();
2045 if (!check_policy_versions (info, aname))
2048 mono_assembly_bind_version (info, aname, dest_name);
2052 info = g_new0 (MonoAssemblyBindingInfo, 1);
2053 info->major = aname->major;
2054 info->minor = aname->minor;
2056 ppimage = mono_assembly_load_publisher_policy (aname);
2058 get_publisher_policy_info (ppimage, aname, info);
2059 mono_image_close (ppimage);
2062 /* Define default error value if needed */
2063 if (!info->is_valid) {
2064 info->name = g_strdup (aname->name);
2065 info->culture = g_strdup (aname->culture);
2066 g_strlcpy ((char *)info->public_key_token, (const char *)aname->public_key_token, MONO_PUBLIC_KEY_TOKEN_LENGTH);
2069 mono_loader_lock ();
2070 info2 = search_binding_loaded (aname);
2072 /* This binding was added by another thread
2074 mono_assembly_binding_info_free (info);
2079 loaded_assembly_bindings = g_slist_prepend (loaded_assembly_bindings, info);
2081 mono_loader_unlock ();
2083 if (!info->is_valid || !check_policy_versions (info, aname))
2086 mono_assembly_bind_version (info, aname, dest_name);
2091 * mono_assembly_load_from_gac
2093 * @aname: The assembly name object
2095 static MonoAssembly*
2096 mono_assembly_load_from_gac (MonoAssemblyName *aname, gchar *filename, MonoImageOpenStatus *status, MonoBoolean refonly)
2098 MonoAssembly *result = NULL;
2099 gchar *name, *version, *culture, *fullpath, *subpath;
2104 if (aname->public_key_token [0] == 0) {
2108 if (strstr (aname->name, ".dll")) {
2109 len = strlen (filename) - 4;
2110 name = g_malloc (len);
2111 strncpy (name, aname->name, len);
2113 name = g_strdup (aname->name);
2116 if (aname->culture) {
2117 culture = g_strdup (aname->culture);
2118 g_strdown (culture);
2120 culture = g_strdup ("");
2123 pubtok = g_ascii_strdown ((char*)aname->public_key_token, MONO_PUBLIC_KEY_TOKEN_LENGTH);
2124 version = g_strdup_printf ("%d.%d.%d.%d_%s_%s", aname->major,
2125 aname->minor, aname->build, aname->revision,
2129 subpath = g_build_path (G_DIR_SEPARATOR_S, name, version, filename, NULL);
2134 if (extra_gac_paths) {
2135 paths = extra_gac_paths;
2136 while (!result && *paths) {
2137 fullpath = g_build_path (G_DIR_SEPARATOR_S, *paths, "lib", "mono", "gac", subpath, NULL);
2138 result = mono_assembly_open_full (fullpath, status, refonly);
2145 result->in_gac = TRUE;
2150 fullpath = g_build_path (G_DIR_SEPARATOR_S, mono_assembly_getrootdir (),
2151 "mono", "gac", subpath, NULL);
2152 result = mono_assembly_open_full (fullpath, status, refonly);
2156 result->in_gac = TRUE;
2165 mono_assembly_load_corlib (const MonoRuntimeInfo *runtime, MonoImageOpenStatus *status)
2170 /* g_print ("corlib already loaded\n"); */
2174 if (assemblies_path) {
2175 corlib = load_in_path ("mscorlib.dll", (const char**)assemblies_path, status, FALSE);
2180 /* Load corlib from mono/<version> */
2182 corlib_file = g_build_filename ("mono", runtime->framework_version, "mscorlib.dll", NULL);
2183 if (assemblies_path) {
2184 corlib = load_in_path (corlib_file, (const char**)assemblies_path, status, FALSE);
2186 g_free (corlib_file);
2190 corlib = load_in_path (corlib_file, default_path, status, FALSE);
2191 g_free (corlib_file);
2197 mono_assembly_load_full_nosearch (MonoAssemblyName *aname,
2198 const char *basedir,
2199 MonoImageOpenStatus *status,
2202 MonoAssembly *result;
2203 char *fullpath, *filename;
2204 MonoAssemblyName maped_aname, maped_name_pp;
2209 aname = mono_assembly_remap_version (aname, &maped_aname);
2211 /* Reflection only assemblies don't get assembly binding */
2213 aname = mono_assembly_apply_binding (aname, &maped_name_pp);
2215 result = mono_assembly_loaded_full (aname, refonly);
2219 result = refonly ? invoke_assembly_refonly_preload_hook (aname, assemblies_path) : invoke_assembly_preload_hook (aname, assemblies_path);
2221 result->in_gac = FALSE;
2225 /* Currently we retrieve the loaded corlib for reflection
2226 * only requests, like a common reflection only assembly
2228 if (strcmp (aname->name, "mscorlib") == 0 || strcmp (aname->name, "mscorlib.dll") == 0) {
2229 return mono_assembly_load_corlib (mono_get_runtime_info (), status);
2232 len = strlen (aname->name);
2233 for (ext_index = 0; ext_index < 2; ext_index ++) {
2234 ext = ext_index == 0 ? ".dll" : ".exe";
2235 if (len > 4 && (!strcmp (aname->name + len - 4, ".dll") || !strcmp (aname->name + len - 4, ".exe"))) {
2236 filename = g_strdup (aname->name);
2237 /* Don't try appending .dll/.exe if it already has one of those extensions */
2240 filename = g_strconcat (aname->name, ext, NULL);
2243 result = mono_assembly_load_from_gac (aname, filename, status, refonly);
2250 fullpath = g_build_filename (basedir, filename, NULL);
2251 result = mono_assembly_open_full (fullpath, status, refonly);
2254 result->in_gac = FALSE;
2260 result = load_in_path (filename, default_path, status, refonly);
2262 result->in_gac = FALSE;
2272 * mono_assembly_load_full:
2273 * @aname: A MonoAssemblyName with the assembly name to load.
2274 * @basedir: A directory to look up the assembly at.
2275 * @status: a pointer to a MonoImageOpenStatus to return the status of the load operation
2276 * @refonly: Whether this assembly is being opened in "reflection-only" mode.
2278 * Loads the assembly referenced by @aname, if the value of @basedir is not NULL, it
2279 * attempts to load the assembly from that directory before probing the standard locations.
2281 * If the assembly is being opened in reflection-only mode (@refonly set to TRUE) then no
2282 * assembly binding takes place.
2284 * Returns: the assembly referenced by @aname loaded or NULL on error. On error the
2285 * value pointed by status is updated with an error code.
2288 mono_assembly_load_full (MonoAssemblyName *aname, const char *basedir, MonoImageOpenStatus *status, gboolean refonly)
2290 MonoAssembly *result = mono_assembly_load_full_nosearch (aname, basedir, status, refonly);
2293 /* Try a postload search hook */
2294 result = mono_assembly_invoke_search_hook_internal (aname, refonly, TRUE);
2299 * mono_assembly_load:
2300 * @aname: A MonoAssemblyName with the assembly name to load.
2301 * @basedir: A directory to look up the assembly at.
2302 * @status: a pointer to a MonoImageOpenStatus to return the status of the load operation
2304 * Loads the assembly referenced by @aname, if the value of @basedir is not NULL, it
2305 * attempts to load the assembly from that directory before probing the standard locations.
2307 * Returns: the assembly referenced by @aname loaded or NULL on error. On error the
2308 * value pointed by status is updated with an error code.
2311 mono_assembly_load (MonoAssemblyName *aname, const char *basedir, MonoImageOpenStatus *status)
2313 return mono_assembly_load_full (aname, basedir, status, FALSE);
2317 mono_assembly_loaded_full (MonoAssemblyName *aname, gboolean refonly)
2320 MonoAssemblyName maped_aname;
2322 aname = mono_assembly_remap_version (aname, &maped_aname);
2324 mono_assemblies_lock ();
2325 res = search_loaded (aname, refonly);
2326 mono_assemblies_unlock ();
2332 * mono_assembly_loaded:
2333 * @aname: an assembly to look for.
2335 * Returns: NULL If the given @aname assembly has not been loaded, or a pointer to
2336 * a MonoAssembly that matches the MonoAssemblyName specified.
2339 mono_assembly_loaded (MonoAssemblyName *aname)
2341 return mono_assembly_loaded_full (aname, FALSE);
2345 * mono_assembly_close:
2346 * @assembly: the assembly to release.
2348 * This method releases a reference to the @assembly. The assembly is
2349 * only released when all the outstanding references to it are released.
2352 mono_assembly_close (MonoAssembly *assembly)
2355 g_return_if_fail (assembly != NULL);
2357 if (assembly == REFERENCE_MISSING)
2360 /* Might be 0 already */
2361 if (InterlockedDecrement (&assembly->ref_count) > 0)
2364 mono_profiler_assembly_event (assembly, MONO_PROFILE_START_UNLOAD);
2366 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_ASSEMBLY, "Unloading assembly %s [%p].", assembly->aname.name, assembly);
2368 mono_debug_close_image (assembly->image);
2370 mono_assemblies_lock ();
2371 loaded_assemblies = g_list_remove (loaded_assemblies, assembly);
2372 mono_assemblies_unlock ();
2374 assembly->image->assembly = NULL;
2376 mono_image_close (assembly->image);
2378 for (tmp = assembly->friend_assembly_names; tmp; tmp = tmp->next) {
2379 MonoAssemblyName *fname = tmp->data;
2380 mono_assembly_name_free (fname);
2383 g_slist_free (assembly->friend_assembly_names);
2384 g_free (assembly->basedir);
2385 if (assembly->dynamic) {
2386 g_free ((char*)assembly->aname.culture);
2391 mono_profiler_assembly_event (assembly, MONO_PROFILE_END_UNLOAD);
2395 mono_assembly_load_module (MonoAssembly *assembly, guint32 idx)
2397 return mono_image_load_file_for_image (assembly->image, idx);
2401 mono_assembly_foreach (GFunc func, gpointer user_data)
2406 * We make a copy of the list to avoid calling the callback inside the
2407 * lock, which could lead to deadlocks.
2409 mono_assemblies_lock ();
2410 copy = g_list_copy (loaded_assemblies);
2411 mono_assemblies_unlock ();
2413 g_list_foreach (loaded_assemblies, func, user_data);
2419 * mono_assemblies_cleanup:
2421 * Free all resources used by this module.
2424 mono_assemblies_cleanup (void)
2428 DeleteCriticalSection (&assemblies_mutex);
2430 for (l = loaded_assembly_bindings; l; l = l->next) {
2431 MonoAssemblyBindingInfo *info = l->data;
2433 mono_assembly_binding_info_free (info);
2436 g_slist_free (loaded_assembly_bindings);
2438 free_assembly_load_hooks ();
2439 free_assembly_search_hooks ();
2440 free_assembly_preload_hooks ();
2444 * Holds the assembly of the application, for
2445 * System.Diagnostics.Process::MainModule
2447 static MonoAssembly *main_assembly=NULL;
2450 mono_assembly_set_main (MonoAssembly *assembly)
2452 main_assembly = assembly;
2456 * mono_assembly_get_main:
2458 * Returns: the assembly for the application, the first assembly that is loaded by the VM
2461 mono_assembly_get_main (void)
2463 return (main_assembly);
2467 * mono_assembly_get_image:
2468 * @assembly: The assembly to retrieve the image from
2470 * Returns: the MonoImage associated with this assembly.
2473 mono_assembly_get_image (MonoAssembly *assembly)
2475 return assembly->image;
2479 mono_register_bundled_assemblies (const MonoBundledAssembly **assemblies)
2481 bundles = assemblies;