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 check_path_env (void)
153 char **splitted, **dest;
155 path = g_getenv ("MONO_PATH");
159 splitted = g_strsplit (path, G_SEARCHPATH_SEPARATOR_S, 1000);
161 g_strfreev (assemblies_path);
162 assemblies_path = dest = splitted;
170 if (g_getenv ("MONO_DEBUG") == NULL)
174 if (**splitted && !g_file_test (*splitted, G_FILE_TEST_IS_DIR))
175 g_warning ("'%s' in MONO_PATH doesn't exist or has wrong permissions.", *splitted);
182 check_extra_gac_path_env (void) {
184 char **splitted, **dest;
186 path = g_getenv ("MONO_GAC_PREFIX");
190 splitted = g_strsplit (path, G_SEARCHPATH_SEPARATOR_S, 1000);
192 g_strfreev (extra_gac_paths);
193 extra_gac_paths = dest = splitted;
201 if (g_getenv ("MONO_DEBUG") == NULL)
205 if (**splitted && !g_file_test (*splitted, G_FILE_TEST_IS_DIR))
206 g_warning ("'%s' in MONO_GAC_PATH doesn't exist or has wrong permissions.", *splitted);
213 assembly_binding_maps_name (MonoAssemblyBindingInfo *info, MonoAssemblyName *aname)
215 if (strcmp (info->name, aname->name))
218 if (info->major != aname->major || info->minor != aname->minor)
221 if ((info->culture != NULL) != (aname->culture != NULL))
224 if (info->culture && strcmp (info->culture, aname->culture))
227 if (strcmp ((const char *)info->public_key_token, (const char *)aname->public_key_token))
234 mono_assembly_binding_info_free (MonoAssemblyBindingInfo *info)
237 g_free (info->culture);
241 get_publisher_policy_info (MonoImage *image, MonoAssemblyName *aname, MonoAssemblyBindingInfo *binding_info)
244 guint32 cols [MONO_MANIFEST_SIZE];
245 const gchar *filename;
246 gchar *subpath, *fullpath;
248 t = &image->tables [MONO_TABLE_MANIFESTRESOURCE];
249 /* MS Impl. accepts policy assemblies with more than
250 * one manifest resource, and only takes the first one */
252 binding_info->is_valid = FALSE;
256 mono_metadata_decode_row (t, 0, cols, MONO_MANIFEST_SIZE);
257 if ((cols [MONO_MANIFEST_IMPLEMENTATION] & MONO_IMPLEMENTATION_MASK) != MONO_IMPLEMENTATION_FILE) {
258 binding_info->is_valid = FALSE;
262 filename = mono_metadata_string_heap (image, cols [MONO_MANIFEST_NAME]);
263 g_assert (filename != NULL);
265 subpath = g_path_get_dirname (image->name);
266 fullpath = g_build_path (G_DIR_SEPARATOR_S, subpath, filename, NULL);
267 mono_config_parse_publisher_policy (fullpath, binding_info);
271 /* Define the optional elements/attributes before checking */
272 if (!binding_info->culture)
273 binding_info->culture = g_strdup ("");
275 /* Check that the most important elements/attributes exist */
276 if (!binding_info->name || !binding_info->public_key_token [0] || !binding_info->has_old_version_bottom ||
277 !binding_info->has_new_version || !assembly_binding_maps_name (binding_info, aname)) {
278 mono_assembly_binding_info_free (binding_info);
279 binding_info->is_valid = FALSE;
283 binding_info->is_valid = TRUE;
287 compare_versions (AssemblyVersionSet *v, MonoAssemblyName *aname)
289 if (v->major > aname->major)
291 else if (v->major < aname->major)
294 if (v->minor > aname->minor)
296 else if (v->minor < aname->minor)
299 if (v->build > aname->build)
301 else if (v->build < aname->build)
304 if (v->revision > aname->revision)
306 else if (v->revision < aname->revision)
313 check_policy_versions (MonoAssemblyBindingInfo *info, MonoAssemblyName *name)
318 /* If has_old_version_top doesn't exist, we don't have an interval */
319 if (!info->has_old_version_top) {
320 if (compare_versions (&info->old_version_bottom, name) == 0)
326 /* Check that the version defined by name is valid for the interval */
327 if (compare_versions (&info->old_version_top, name) < 0)
330 /* We should be greater or equal than the small version */
331 if (compare_versions (&info->old_version_bottom, name) > 0)
338 * mono_assembly_names_equal:
340 * @r: second assembly.
342 * Compares two MonoAssemblyNames and returns whether they are equal.
344 * This compares the names, the cultures, the release version and their
347 * Returns: TRUE if both assembly names are equal.
350 mono_assembly_names_equal (MonoAssemblyName *l, MonoAssemblyName *r)
352 if (!l->name || !r->name)
355 if (strcmp (l->name, r->name))
358 if (l->culture && r->culture && strcmp (l->culture, r->culture))
361 if (l->major != r->major || l->minor != r->minor ||
362 l->build != r->build || l->revision != r->revision)
363 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)))
366 if (!l->public_key_token [0] || !r->public_key_token [0])
369 if (strcmp ((char*)l->public_key_token, (char*)r->public_key_token))
376 search_loaded (MonoAssemblyName* aname, gboolean refonly)
380 ass = mono_assembly_invoke_search_hook_internal (aname, refonly, FALSE);
387 static MonoAssembly *
388 load_in_path (const char *basename, const char** search_path, MonoImageOpenStatus *status, MonoBoolean refonly)
392 MonoAssembly *result;
394 for (i = 0; search_path [i]; ++i) {
395 fullpath = g_build_filename (search_path [i], basename, NULL);
396 result = mono_assembly_open_full (fullpath, status, refonly);
405 * mono_assembly_setrootdir:
406 * @root_dir: The pathname of the root directory where we will locate assemblies
408 * This routine sets the internal default root directory for looking up
411 * This is used by Windows installations to compute dynamically the
412 * place where the Mono assemblies are located.
416 mono_assembly_setrootdir (const char *root_dir)
419 * Override the MONO_ASSEMBLIES directory configured at compile time.
421 /* Leak if called more than once */
422 default_path [0] = g_strdup (root_dir);
426 * mono_assembly_getrootdir:
428 * Obtains the root directory used for looking up assemblies.
430 * Returns: a string with the directory, this string should not be freed.
432 G_CONST_RETURN gchar *
433 mono_assembly_getrootdir (void)
435 return default_path [0];
440 * @assembly_dir: the base directory for assemblies
441 * @config_dir: the base directory for configuration files
443 * This routine is used internally and by developers embedding
444 * the runtime into their own applications.
446 * There are a number of cases to consider: Mono as a system-installed
447 * package that is available on the location preconfigured or Mono in
448 * a relocated location.
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);
633 mono_assembly_fill_assembly_name (MonoImage *image, MonoAssemblyName *aname)
635 MonoTableInfo *t = &image->tables [MONO_TABLE_ASSEMBLY];
636 guint32 cols [MONO_ASSEMBLY_SIZE];
641 mono_metadata_decode_row (t, 0, cols, MONO_ASSEMBLY_SIZE);
644 aname->hash_value = NULL;
645 aname->name = mono_metadata_string_heap (image, cols [MONO_ASSEMBLY_NAME]);
646 aname->culture = mono_metadata_string_heap (image, cols [MONO_ASSEMBLY_CULTURE]);
647 aname->flags = cols [MONO_ASSEMBLY_FLAGS];
648 aname->major = cols [MONO_ASSEMBLY_MAJOR_VERSION];
649 aname->minor = cols [MONO_ASSEMBLY_MINOR_VERSION];
650 aname->build = cols [MONO_ASSEMBLY_BUILD_NUMBER];
651 aname->revision = cols [MONO_ASSEMBLY_REV_NUMBER];
652 aname->hash_alg = cols [MONO_ASSEMBLY_HASH_ALG];
653 if (cols [MONO_ASSEMBLY_PUBLIC_KEY]) {
654 guchar* token = g_malloc (8);
659 pkey = mono_metadata_blob_heap (image, cols [MONO_ASSEMBLY_PUBLIC_KEY]);
660 len = mono_metadata_decode_blob_size (pkey, &pkey);
661 aname->public_key = (guchar*)pkey;
663 mono_digest_get_public_token (token, aname->public_key, len);
664 encoded = encode_public_tok (token, 8);
665 g_strlcpy ((char*)aname->public_key_token, encoded, MONO_PUBLIC_KEY_TOKEN_LENGTH);
671 aname->public_key = NULL;
672 memset (aname->public_key_token, 0, MONO_PUBLIC_KEY_TOKEN_LENGTH);
675 if (cols [MONO_ASSEMBLY_PUBLIC_KEY]) {
676 aname->public_key = (guchar*)mono_metadata_blob_heap (image, cols [MONO_ASSEMBLY_PUBLIC_KEY]);
679 aname->public_key = 0;
685 * mono_stringify_assembly_name:
686 * @aname: the assembly name.
688 * Convert @aname into its string format. The returned string is dynamically
689 * allocated and should be freed by the caller.
691 * Returns: a newly allocated string with a string representation of
695 mono_stringify_assembly_name (MonoAssemblyName *aname)
697 return g_strdup_printf (
698 "%s, Version=%d.%d.%d.%d, Culture=%s, PublicKeyToken=%s%s",
700 aname->major, aname->minor, aname->build, aname->revision,
701 aname->culture && *aname->culture? aname->culture: "neutral",
702 aname->public_key_token [0] ? (char *)aname->public_key_token : "null",
703 (aname->flags & ASSEMBLYREF_RETARGETABLE_FLAG) ? ", Retargetable=Yes" : "");
707 assemblyref_public_tok (MonoImage *image, guint32 key_index, guint32 flags)
709 const gchar *public_tok;
712 public_tok = mono_metadata_blob_heap (image, key_index);
713 len = mono_metadata_decode_blob_size (public_tok, &public_tok);
715 if (flags & ASSEMBLYREF_FULL_PUBLIC_KEY_FLAG) {
717 mono_digest_get_public_token (token, (guchar*)public_tok, len);
718 return encode_public_tok (token, 8);
721 return encode_public_tok ((guchar*)public_tok, len);
725 * mono_assembly_addref:
726 * @assemnly: the assembly to reference
728 * This routine increments the reference count on a MonoAssembly.
729 * The reference count is reduced every time the method mono_assembly_close() is
733 mono_assembly_addref (MonoAssembly *assembly)
735 InterlockedIncrement (&assembly->ref_count);
738 static MonoAssemblyName *
739 mono_assembly_remap_version (MonoAssemblyName *aname, MonoAssemblyName *dest_aname)
741 const MonoRuntimeInfo *current_runtime;
742 int pos, first, last;
744 if (aname->name == NULL) return aname;
745 current_runtime = mono_get_runtime_info ();
748 last = G_N_ELEMENTS (framework_assemblies) - 1;
750 while (first <= last) {
752 pos = first + (last - first) / 2;
753 res = strcmp (aname->name, framework_assemblies[pos].assembly_name);
755 const AssemblyVersionSet* vset;
756 int index = framework_assemblies[pos].version_set_index;
757 g_assert (index < G_N_ELEMENTS (current_runtime->version_sets));
758 vset = ¤t_runtime->version_sets [index];
760 if (aname->major == vset->major && aname->minor == vset->minor &&
761 aname->build == vset->build && aname->revision == vset->revision)
764 if ((aname->major | aname->minor | aname->build | aname->revision) != 0)
765 mono_trace (G_LOG_LEVEL_WARNING, MONO_TRACE_ASSEMBLY,
766 "The request to load the assembly %s v%d.%d.%d.%d was remapped to v%d.%d.%d.%d",
768 aname->major, aname->minor, aname->build, aname->revision,
769 vset->major, vset->minor, vset->build, vset->revision
772 memcpy (dest_aname, aname, sizeof(MonoAssemblyName));
773 dest_aname->major = vset->major;
774 dest_aname->minor = vset->minor;
775 dest_aname->build = vset->build;
776 dest_aname->revision = vset->revision;
778 } else if (res < 0) {
788 * mono_assembly_get_assemblyref:
790 * Fill out ANAME with the assembly name of the INDEXth assembly reference in IMAGE.
793 mono_assembly_get_assemblyref (MonoImage *image, int index, MonoAssemblyName *aname)
796 guint32 cols [MONO_ASSEMBLYREF_SIZE];
799 t = &image->tables [MONO_TABLE_ASSEMBLYREF];
801 mono_metadata_decode_row (t, index, cols, MONO_ASSEMBLYREF_SIZE);
803 hash = mono_metadata_blob_heap (image, cols [MONO_ASSEMBLYREF_HASH_VALUE]);
804 aname->hash_len = mono_metadata_decode_blob_size (hash, &hash);
805 aname->hash_value = hash;
806 aname->name = mono_metadata_string_heap (image, cols [MONO_ASSEMBLYREF_NAME]);
807 aname->culture = mono_metadata_string_heap (image, cols [MONO_ASSEMBLYREF_CULTURE]);
808 aname->flags = cols [MONO_ASSEMBLYREF_FLAGS];
809 aname->major = cols [MONO_ASSEMBLYREF_MAJOR_VERSION];
810 aname->minor = cols [MONO_ASSEMBLYREF_MINOR_VERSION];
811 aname->build = cols [MONO_ASSEMBLYREF_BUILD_NUMBER];
812 aname->revision = cols [MONO_ASSEMBLYREF_REV_NUMBER];
814 if (cols [MONO_ASSEMBLYREF_PUBLIC_KEY]) {
815 gchar *token = assemblyref_public_tok (image, cols [MONO_ASSEMBLYREF_PUBLIC_KEY], aname->flags);
816 g_strlcpy ((char*)aname->public_key_token, token, MONO_PUBLIC_KEY_TOKEN_LENGTH);
819 memset (aname->public_key_token, 0, MONO_PUBLIC_KEY_TOKEN_LENGTH);
824 mono_assembly_load_reference (MonoImage *image, int index)
826 MonoAssembly *reference;
827 MonoAssemblyName aname;
828 MonoImageOpenStatus status;
831 * image->references is shared between threads, so we need to access
832 * it inside a critical section.
834 mono_assemblies_lock ();
835 if (!image->references) {
836 MonoTableInfo *t = &image->tables [MONO_TABLE_ASSEMBLYREF];
838 image->references = g_new0 (MonoAssembly *, t->rows + 1);
840 reference = image->references [index];
841 mono_assemblies_unlock ();
845 mono_assembly_get_assemblyref (image, index, &aname);
847 if (image->assembly && image->assembly->ref_only) {
848 /* We use the loaded corlib */
849 if (!strcmp (aname.name, "mscorlib"))
850 reference = mono_assembly_load_full (&aname, image->assembly->basedir, &status, FALSE);
852 reference = mono_assembly_loaded_full (&aname, TRUE);
854 /* Try a postload search hook */
855 reference = mono_assembly_invoke_search_hook_internal (&aname, TRUE, TRUE);
859 * Here we must advice that the error was due to
860 * a non loaded reference using the ReflectionOnly api
863 reference = REFERENCE_MISSING;
865 reference = mono_assembly_load (&aname, image->assembly? image->assembly->basedir: NULL, &status);
867 if (reference == NULL){
868 char *extra_msg = g_strdup ("");
870 if (status == MONO_IMAGE_ERROR_ERRNO && errno == ENOENT) {
871 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);
872 } else if (status == MONO_IMAGE_ERROR_ERRNO) {
873 extra_msg = g_strdup_printf ("System error: %s\n", strerror (errno));
874 } else if (status == MONO_IMAGE_MISSING_ASSEMBLYREF) {
875 extra_msg = g_strdup ("Cannot find an assembly referenced from this one.\n");
876 } else if (status == MONO_IMAGE_IMAGE_INVALID) {
877 extra_msg = g_strdup ("The file exists but is not a valid assembly.\n");
880 g_warning ("The following assembly referenced from %s could not be loaded:\n"
881 " Assembly: %s (assemblyref_index=%d)\n"
882 " Version: %d.%d.%d.%d\n"
883 " Public Key: %s\n%s",
884 image->name, aname.name, index,
885 aname.major, aname.minor, aname.build, aname.revision,
886 strlen ((char*)aname.public_key_token) == 0 ? "(none)" : (char*)aname.public_key_token, extra_msg);
890 mono_assemblies_lock ();
891 if (reference == NULL) {
892 /* Flag as not found */
893 reference = REFERENCE_MISSING;
896 if (!image->references [index]) {
897 if (reference != REFERENCE_MISSING){
898 mono_assembly_addref (reference);
900 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_ASSEMBLY, "Assembly Ref addref %s %p -> %s %p: %d\n",
901 image->assembly->aname.name, image->assembly, reference->aname.name, reference, reference->ref_count);
904 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_ASSEMBLY, "Failed to load assembly %s %p\n",
905 image->assembly->aname.name, image->assembly);
908 image->references [index] = reference;
910 mono_assemblies_unlock ();
912 if (image->references [index] != reference) {
913 /* Somebody loaded it before us */
914 mono_assembly_close (reference);
919 mono_assembly_load_references (MonoImage *image, MonoImageOpenStatus *status)
921 /* This is a no-op now but it is part of the embedding API so we can't remove it */
922 *status = MONO_IMAGE_OK;
925 typedef struct AssemblyLoadHook AssemblyLoadHook;
926 struct AssemblyLoadHook {
927 AssemblyLoadHook *next;
928 MonoAssemblyLoadFunc func;
932 AssemblyLoadHook *assembly_load_hook = NULL;
935 mono_assembly_invoke_load_hook (MonoAssembly *ass)
937 AssemblyLoadHook *hook;
939 for (hook = assembly_load_hook; hook; hook = hook->next) {
940 hook->func (ass, hook->user_data);
945 mono_install_assembly_load_hook (MonoAssemblyLoadFunc func, gpointer user_data)
947 AssemblyLoadHook *hook;
949 g_return_if_fail (func != NULL);
951 hook = g_new0 (AssemblyLoadHook, 1);
953 hook->user_data = user_data;
954 hook->next = assembly_load_hook;
955 assembly_load_hook = hook;
959 free_assembly_load_hooks (void)
961 AssemblyLoadHook *hook, *next;
963 for (hook = assembly_load_hook; hook; hook = next) {
969 typedef struct AssemblySearchHook AssemblySearchHook;
970 struct AssemblySearchHook {
971 AssemblySearchHook *next;
972 MonoAssemblySearchFunc func;
978 AssemblySearchHook *assembly_search_hook = NULL;
981 mono_assembly_invoke_search_hook_internal (MonoAssemblyName *aname, gboolean refonly, gboolean postload)
983 AssemblySearchHook *hook;
985 for (hook = assembly_search_hook; hook; hook = hook->next) {
986 if ((hook->refonly == refonly) && (hook->postload == postload)) {
987 MonoAssembly *ass = hook->func (aname, hook->user_data);
997 mono_assembly_invoke_search_hook (MonoAssemblyName *aname)
999 return mono_assembly_invoke_search_hook_internal (aname, FALSE, FALSE);
1003 mono_install_assembly_search_hook_internal (MonoAssemblySearchFunc func, gpointer user_data, gboolean refonly, gboolean postload)
1005 AssemblySearchHook *hook;
1007 g_return_if_fail (func != NULL);
1009 hook = g_new0 (AssemblySearchHook, 1);
1011 hook->user_data = user_data;
1012 hook->refonly = refonly;
1013 hook->postload = postload;
1014 hook->next = assembly_search_hook;
1015 assembly_search_hook = hook;
1019 mono_install_assembly_search_hook (MonoAssemblySearchFunc func, gpointer user_data)
1021 mono_install_assembly_search_hook_internal (func, user_data, FALSE, FALSE);
1025 free_assembly_search_hooks (void)
1027 AssemblySearchHook *hook, *next;
1029 for (hook = assembly_search_hook; hook; hook = next) {
1036 mono_install_assembly_refonly_search_hook (MonoAssemblySearchFunc func, gpointer user_data)
1038 mono_install_assembly_search_hook_internal (func, user_data, TRUE, FALSE);
1042 mono_install_assembly_postload_search_hook (MonoAssemblySearchFunc func, gpointer user_data)
1044 mono_install_assembly_search_hook_internal (func, user_data, FALSE, TRUE);
1048 mono_install_assembly_postload_refonly_search_hook (MonoAssemblySearchFunc func, gpointer user_data)
1050 mono_install_assembly_search_hook_internal (func, user_data, TRUE, TRUE);
1053 typedef struct AssemblyPreLoadHook AssemblyPreLoadHook;
1054 struct AssemblyPreLoadHook {
1055 AssemblyPreLoadHook *next;
1056 MonoAssemblyPreLoadFunc func;
1060 static AssemblyPreLoadHook *assembly_preload_hook = NULL;
1061 static AssemblyPreLoadHook *assembly_refonly_preload_hook = NULL;
1063 static MonoAssembly *
1064 invoke_assembly_preload_hook (MonoAssemblyName *aname, gchar **assemblies_path)
1066 AssemblyPreLoadHook *hook;
1067 MonoAssembly *assembly;
1069 for (hook = assembly_preload_hook; hook; hook = hook->next) {
1070 assembly = hook->func (aname, assemblies_path, hook->user_data);
1071 if (assembly != NULL)
1078 static MonoAssembly *
1079 invoke_assembly_refonly_preload_hook (MonoAssemblyName *aname, gchar **assemblies_path)
1081 AssemblyPreLoadHook *hook;
1082 MonoAssembly *assembly;
1084 for (hook = assembly_refonly_preload_hook; hook; hook = hook->next) {
1085 assembly = hook->func (aname, assemblies_path, hook->user_data);
1086 if (assembly != NULL)
1094 mono_install_assembly_preload_hook (MonoAssemblyPreLoadFunc func, gpointer user_data)
1096 AssemblyPreLoadHook *hook;
1098 g_return_if_fail (func != NULL);
1100 hook = g_new0 (AssemblyPreLoadHook, 1);
1102 hook->user_data = user_data;
1103 hook->next = assembly_preload_hook;
1104 assembly_preload_hook = hook;
1108 mono_install_assembly_refonly_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_refonly_preload_hook;
1118 assembly_refonly_preload_hook = hook;
1122 free_assembly_preload_hooks (void)
1124 AssemblyPreLoadHook *hook, *next;
1126 for (hook = assembly_preload_hook; hook; hook = next) {
1131 for (hook = assembly_refonly_preload_hook; hook; hook = next) {
1138 absolute_dir (const gchar *filename)
1149 if (g_path_is_absolute (filename))
1150 return g_path_get_dirname (filename);
1152 cwd = g_get_current_dir ();
1153 mixed = g_build_filename (cwd, filename, NULL);
1154 parts = g_strsplit (mixed, G_DIR_SEPARATOR_S, 0);
1159 for (i = 0; (part = parts [i]) != NULL; i++) {
1160 if (!strcmp (part, "."))
1163 if (!strcmp (part, "..")) {
1164 if (list && list->next) /* Don't remove root */
1165 list = g_list_delete_link (list, list);
1167 list = g_list_prepend (list, part);
1171 result = g_string_new ("");
1172 list = g_list_reverse (list);
1174 /* Ignores last data pointer, which should be the filename */
1175 for (tmp = list; tmp && tmp->next != NULL; tmp = tmp->next){
1177 g_string_append_printf (result, "%s%c", (char *) tmp->data,
1182 g_string_free (result, FALSE);
1187 return g_strdup (".");
1194 * mono_assembly_open_from_bundle:
1195 * @filename: Filename requested
1196 * @status: return value
1198 * This routine tries to open the assembly specified by `filename' from the
1199 * defined bundles, if found, returns the MonoImage for it, if not found
1203 mono_assembly_open_from_bundle (const char *filename, MonoImageOpenStatus *status, gboolean refonly)
1207 MonoImage *image = NULL;
1210 * we do a very simple search for bundled assemblies: it's not a general
1211 * purpose assembly loading mechanism.
1217 name = g_path_get_basename (filename);
1219 mono_assemblies_lock ();
1220 for (i = 0; !image && bundles [i]; ++i) {
1221 if (strcmp (bundles [i]->name, name) == 0) {
1222 image = mono_image_open_from_data_full ((char*)bundles [i]->data, bundles [i]->size, FALSE, status, refonly);
1226 mono_assemblies_unlock ();
1229 mono_image_addref (image);
1236 mono_assembly_open_full (const char *filename, MonoImageOpenStatus *status, gboolean refonly)
1240 MonoImageOpenStatus def_status;
1243 g_return_val_if_fail (filename != NULL, NULL);
1246 status = &def_status;
1247 *status = MONO_IMAGE_OK;
1249 if (strncmp (filename, "file://", 7) == 0) {
1250 GError *error = NULL;
1251 gchar *uri = (gchar *) filename;
1255 * MS allows file://c:/... and fails on file://localhost/c:/...
1256 * They also throw an IndexOutOfRangeException if "file://"
1259 uri = g_strdup_printf ("file:///%s", uri + 7);
1262 uri = mono_escape_uri_string (tmpuri);
1263 fname = g_filename_from_uri (uri, NULL, &error);
1266 if (tmpuri != filename)
1269 if (error != NULL) {
1270 g_warning ("%s\n", error->message);
1271 g_error_free (error);
1272 fname = g_strdup (filename);
1275 fname = g_strdup (filename);
1278 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_ASSEMBLY,
1279 "Assembly Loader probing location: '%s'.", filename);
1282 if (bundles != NULL)
1283 image = mono_assembly_open_from_bundle (fname, status, refonly);
1286 mono_assemblies_lock ();
1287 image = mono_image_open_full (fname, status, refonly);
1288 mono_assemblies_unlock ();
1292 if (*status == MONO_IMAGE_OK)
1293 *status = MONO_IMAGE_ERROR_ERRNO;
1298 if (image->assembly) {
1299 /* Already loaded by another appdomain */
1300 mono_assembly_invoke_load_hook (image->assembly);
1301 mono_image_close (image);
1303 return image->assembly;
1306 ass = mono_assembly_load_from_full (image, fname, status, refonly);
1309 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_ASSEMBLY,
1310 "Assembly Loader loaded assembly from location: '%s'.", filename);
1312 mono_config_for_assembly (ass->image);
1315 /* Clear the reference added by mono_image_open */
1316 mono_image_close (image);
1324 * mono_load_friend_assemblies:
1327 * Load the list of friend assemblies that are allowed to access
1328 * the assembly's internal types and members. They are stored as assembly
1329 * names in custom attributes.
1331 * This is an internal method, we need this because when we load mscorlib
1332 * we do not have the mono_defaults.internals_visible_class loaded yet,
1333 * so we need to load these after we initialize the runtime.
1336 mono_assembly_load_friends (MonoAssembly* ass)
1339 MonoCustomAttrInfo* attrs = mono_custom_attrs_from_assembly (ass);
1342 for (i = 0; i < attrs->num_attrs; ++i) {
1343 MonoCustomAttrEntry *attr = &attrs->attrs [i];
1344 MonoAssemblyName *aname;
1347 /* Do some sanity checking */
1348 if (!attr->ctor || attr->ctor->klass != mono_defaults.internals_visible_class)
1350 if (attr->data_size < 4)
1352 data = (const char*)attr->data;
1353 /* 0xFF means null string, see custom attr format */
1354 if (data [0] != 1 || data [1] != 0 || (data [2] & 0xFF) == 0xFF)
1356 slen = mono_metadata_decode_value (data + 2, &data);
1357 aname = g_new0 (MonoAssemblyName, 1);
1358 /*g_print ("friend ass: %s\n", data);*/
1359 if (mono_assembly_name_parse_full (data, aname, TRUE, NULL, NULL)) {
1360 ass->friend_assembly_names = g_slist_prepend (ass->friend_assembly_names, aname);
1365 mono_custom_attrs_free (attrs);
1369 * mono_assembly_open:
1370 * @filename: Opens the assembly pointed out by this name
1371 * @status: where a status code can be returned
1373 * mono_assembly_open opens the PE-image pointed by @filename, and
1374 * loads any external assemblies referenced by it.
1376 * Return: a pointer to the MonoAssembly if @filename contains a valid
1377 * assembly or NULL on error. Details about the error are stored in the
1381 mono_assembly_open (const char *filename, MonoImageOpenStatus *status)
1383 return mono_assembly_open_full (filename, status, FALSE);
1387 mono_assembly_load_from_full (MonoImage *image, const char*fname,
1388 MonoImageOpenStatus *status, gboolean refonly)
1390 MonoAssembly *ass, *ass2;
1393 if (!image->tables [MONO_TABLE_ASSEMBLY].rows) {
1394 /* 'image' doesn't have a manifest -- maybe someone is trying to Assembly.Load a .netmodule */
1395 *status = MONO_IMAGE_IMAGE_INVALID;
1399 #if defined (PLATFORM_WIN32)
1404 tmp_fn = g_strdup (fname);
1405 for (i = strlen (tmp_fn) - 1; i >= 0; i--) {
1406 if (tmp_fn [i] == '/')
1410 base_dir = absolute_dir (tmp_fn);
1414 base_dir = absolute_dir (fname);
1418 * Create assembly struct, and enter it into the assembly cache
1420 ass = g_new0 (MonoAssembly, 1);
1421 ass->basedir = base_dir;
1422 ass->ref_only = refonly;
1425 mono_profiler_assembly_event (ass, MONO_PROFILE_START_LOAD);
1427 mono_assembly_fill_assembly_name (image, &ass->aname);
1429 /* Add a non-temporary reference because of ass->image */
1430 mono_image_addref (image);
1432 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);
1435 * Atomically search the loaded list and add ourselves to it if necessary.
1437 mono_assemblies_lock ();
1438 if (ass->aname.name) {
1439 /* avoid loading the same assembly twice for now... */
1440 ass2 = search_loaded (&ass->aname, refonly);
1442 mono_assemblies_unlock ();
1445 mono_image_close (image);
1446 *status = MONO_IMAGE_OK;
1451 g_assert (image->assembly == NULL);
1452 image->assembly = ass;
1454 loaded_assemblies = g_list_prepend (loaded_assemblies, ass);
1455 if (mono_defaults.internals_visible_class)
1456 mono_assembly_load_friends (ass);
1457 mono_assemblies_unlock ();
1459 mono_assembly_invoke_load_hook (ass);
1461 mono_profiler_assembly_loaded (ass, MONO_PROFILE_OK);
1467 mono_assembly_load_from (MonoImage *image, const char *fname,
1468 MonoImageOpenStatus *status)
1470 return mono_assembly_load_from_full (image, fname, status, FALSE);
1474 * mono_assembly_name_free:
1475 * @aname: assembly name to free
1477 * Frees the provided assembly name object.
1478 * (it does not frees the object itself, only the name members).
1481 mono_assembly_name_free (MonoAssemblyName *aname)
1486 g_free ((void *) aname->name);
1487 g_free ((void *) aname->culture);
1488 g_free ((void *) aname->hash_value);
1492 parse_public_key (const gchar *key, gchar** pubkey)
1495 gchar header [16], val, *arr;
1496 gint i, j, offset, bitlen, keylen, pkeylen;
1498 keylen = strlen (key) >> 1;
1502 val = g_ascii_xdigit_value (key [0]) << 4;
1503 val |= g_ascii_xdigit_value (key [1]);
1508 val = g_ascii_xdigit_value (key [24]);
1509 val |= g_ascii_xdigit_value (key [25]);
1521 /* We need the first 16 bytes
1522 * to check whether this key is valid or not */
1523 pkeylen = strlen (pkey) >> 1;
1527 for (i = 0, j = 0; i < 16; i++) {
1528 header [i] = g_ascii_xdigit_value (pkey [j++]) << 4;
1529 header [i] |= g_ascii_xdigit_value (pkey [j++]);
1532 if (header [0] != 0x06 || /* PUBLICKEYBLOB (0x06) */
1533 header [1] != 0x02 || /* Version (0x02) */
1534 header [2] != 0x00 || /* Reserved (word) */
1535 header [3] != 0x00 ||
1536 (guint)(read32 (header + 8)) != 0x31415352) /* DWORD magic = RSA1 */
1539 /* Based on this length, we _should_ be able to know if the length is right */
1540 bitlen = read32 (header + 12) >> 3;
1541 if ((bitlen + 16 + 4) != pkeylen)
1544 /* Encode the size of the blob */
1546 if (keylen <= 127) {
1547 arr = g_malloc (keylen + 1);
1548 arr [offset++] = keylen;
1550 arr = g_malloc (keylen + 2);
1551 arr [offset++] = 0x80; /* 10bs */
1552 arr [offset++] = keylen;
1555 for (i = offset, j = 0; i < keylen + offset; i++) {
1556 arr [i] = g_ascii_xdigit_value (key [j++]) << 4;
1557 arr [i] |= g_ascii_xdigit_value (key [j++]);
1566 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)
1568 gint major, minor, build, revision;
1571 gchar *pkey, *pkeyptr, *encoded, tok [8];
1573 memset (aname, 0, sizeof (MonoAssemblyName));
1576 version_parts = sscanf (version, "%u.%u.%u.%u", &major, &minor, &build, &revision);
1577 if (version_parts < 2 || version_parts > 4)
1580 /* FIXME: we should set build & revision to -1 (instead of 0)
1581 if these are not set in the version string. That way, later on,
1582 we can still determine if these were specified. */
1583 aname->major = major;
1584 aname->minor = minor;
1585 if (version_parts >= 3)
1586 aname->build = build;
1589 if (version_parts == 4)
1590 aname->revision = revision;
1592 aname->revision = 0;
1595 aname->flags = flags;
1596 aname->name = g_strdup (name);
1599 if (g_ascii_strcasecmp (culture, "neutral") == 0)
1600 aname->culture = g_strdup ("");
1602 aname->culture = g_strdup (culture);
1605 if (token && strncmp (token, "null", 4) != 0) {
1606 /* the constant includes the ending NULL, hence the -1 */
1607 if (strlen (token) != (MONO_PUBLIC_KEY_TOKEN_LENGTH - 1)) {
1610 char *lower = g_ascii_strdown (token, MONO_PUBLIC_KEY_TOKEN_LENGTH);
1611 g_strlcpy ((char*)aname->public_key_token, lower, MONO_PUBLIC_KEY_TOKEN_LENGTH);
1616 if (strcmp (key, "null") == 0 || !parse_public_key (key, &pkey)) {
1617 mono_assembly_name_free (aname);
1621 len = mono_metadata_decode_blob_size ((const gchar *) pkey, (const gchar **) &pkeyptr);
1622 // We also need to generate the key token
1623 mono_digest_get_public_token ((guchar*) tok, (guint8*) pkeyptr, len);
1624 encoded = encode_public_tok ((guchar*) tok, 8);
1625 g_strlcpy ((gchar*)aname->public_key_token, encoded, MONO_PUBLIC_KEY_TOKEN_LENGTH);
1628 if (save_public_key)
1629 aname->public_key = (guint8*) pkey;
1638 parse_assembly_directory_name (const char *name, const char *dirname, MonoAssemblyName *aname)
1643 parts = g_strsplit (dirname, "_", 3);
1644 if (!parts || !parts[0] || !parts[1] || !parts[2]) {
1649 res = build_assembly_name (name, parts[0], parts[1], parts[2], NULL, 0, aname, FALSE);
1655 mono_assembly_name_parse_full (const char *name, MonoAssemblyName *aname, gboolean save_public_key, gboolean *is_version_defined, gboolean *is_token_defined)
1658 gchar *version = NULL;
1659 gchar *culture = NULL;
1660 gchar *token = NULL;
1662 gchar *retargetable = NULL;
1667 gboolean version_defined;
1668 gboolean token_defined;
1671 if (!is_version_defined)
1672 is_version_defined = &version_defined;
1673 *is_version_defined = FALSE;
1674 if (!is_token_defined)
1675 is_token_defined = &token_defined;
1676 *is_token_defined = FALSE;
1678 parts = tmp = g_strsplit (name, ",", 6);
1679 if (!tmp || !*tmp) {
1684 dllname = g_strstrip (*tmp);
1689 value = g_strstrip (*tmp);
1690 if (!g_ascii_strncasecmp (value, "Version=", 8)) {
1691 *is_version_defined = TRUE;
1692 version = g_strstrip (value + 8);
1693 if (strlen (version) == 0) {
1700 if (!g_ascii_strncasecmp (value, "Culture=", 8)) {
1701 culture = g_strstrip (value + 8);
1702 if (strlen (culture) == 0) {
1709 if (!g_ascii_strncasecmp (value, "PublicKeyToken=", 15)) {
1710 *is_token_defined = TRUE;
1711 token = g_strstrip (value + 15);
1712 if (strlen (token) == 0) {
1719 if (!g_ascii_strncasecmp (value, "PublicKey=", 10)) {
1720 key = g_strstrip (value + 10);
1721 if (strlen (key) == 0) {
1728 if (!g_ascii_strncasecmp (value, "Retargetable=", 13)) {
1729 retargetable = g_strstrip (value + 13);
1730 if (strlen (retargetable) == 0) {
1733 if (!g_ascii_strcasecmp (retargetable, "yes")) {
1734 flags |= ASSEMBLYREF_RETARGETABLE_FLAG;
1735 } else if (g_ascii_strcasecmp (retargetable, "no")) {
1742 if (!g_ascii_strncasecmp (value, "ProcessorArchitecture=", 22)) {
1743 /* this is ignored for now, until we can change MonoAssemblyName */
1752 /* if retargetable flag is set, then we must have a fully qualified name */
1753 if (retargetable != NULL && (version == NULL || culture == NULL || (key == NULL && token == NULL))) {
1757 res = build_assembly_name (dllname, version, culture, token, key, flags,
1758 aname, save_public_key);
1764 * mono_assembly_name_parse:
1765 * @name: name to parse
1766 * @aname: the destination assembly name
1768 * Parses an assembly qualified type name and assigns the name,
1769 * version, culture and token to the provided assembly name object.
1771 * Returns: true if the name could be parsed.
1774 mono_assembly_name_parse (const char *name, MonoAssemblyName *aname)
1776 return mono_assembly_name_parse_full (name, aname, FALSE, NULL, NULL);
1779 static MonoAssembly*
1780 probe_for_partial_name (const char *basepath, const char *fullname, MonoAssemblyName *aname, MonoImageOpenStatus *status)
1782 gchar *fullpath = NULL;
1784 const char* direntry;
1785 MonoAssemblyName gac_aname;
1786 gint major=-1, minor=0, build=0, revision=0;
1787 gboolean exact_version;
1789 dirhandle = g_dir_open (basepath, 0, NULL);
1793 exact_version = (aname->major | aname->minor | aname->build | aname->revision) != 0;
1795 while ((direntry = g_dir_read_name (dirhandle))) {
1796 gboolean match = TRUE;
1798 if(!parse_assembly_directory_name (aname->name, direntry, &gac_aname))
1801 if (aname->culture != NULL && strcmp (aname->culture, gac_aname.culture) != 0)
1804 if (match && strlen ((char*)aname->public_key_token) > 0 &&
1805 strcmp ((char*)aname->public_key_token, (char*)gac_aname.public_key_token) != 0)
1809 if (exact_version) {
1810 match = (aname->major == gac_aname.major && aname->minor == gac_aname.minor &&
1811 aname->build == gac_aname.build && aname->revision == gac_aname.revision);
1813 else if (gac_aname.major < major)
1815 else if (gac_aname.major == major) {
1816 if (gac_aname.minor < minor)
1818 else if (gac_aname.minor == minor) {
1819 if (gac_aname.build < build)
1821 else if (gac_aname.build == build && gac_aname.revision <= revision)
1828 major = gac_aname.major;
1829 minor = gac_aname.minor;
1830 build = gac_aname.build;
1831 revision = gac_aname.revision;
1833 fullpath = g_build_path (G_DIR_SEPARATOR_S, basepath, direntry, fullname, NULL);
1836 mono_assembly_name_free (&gac_aname);
1839 g_dir_close (dirhandle);
1841 if (fullpath == NULL)
1844 MonoAssembly *res = mono_assembly_open (fullpath, status);
1851 mono_assembly_load_with_partial_name (const char *name, MonoImageOpenStatus *status)
1854 MonoAssemblyName *aname, base_name, maped_aname;
1855 gchar *fullname, *gacpath;
1858 memset (&base_name, 0, sizeof (MonoAssemblyName));
1861 if (!mono_assembly_name_parse (name, aname))
1865 * If no specific version has been requested, make sure we load the
1866 * correct version for system assemblies.
1868 if ((aname->major | aname->minor | aname->build | aname->revision) == 0)
1869 aname = mono_assembly_remap_version (aname, &maped_aname);
1871 res = mono_assembly_loaded (aname);
1873 mono_assembly_name_free (aname);
1877 res = invoke_assembly_preload_hook (aname, assemblies_path);
1879 res->in_gac = FALSE;
1880 mono_assembly_name_free (aname);
1884 fullname = g_strdup_printf ("%s.dll", aname->name);
1886 if (extra_gac_paths) {
1887 paths = extra_gac_paths;
1888 while (!res && *paths) {
1889 gacpath = g_build_path (G_DIR_SEPARATOR_S, *paths, "lib", "mono", "gac", aname->name, NULL);
1890 res = probe_for_partial_name (gacpath, fullname, aname, status);
1899 mono_assembly_name_free (aname);
1903 gacpath = g_build_path (G_DIR_SEPARATOR_S, mono_assembly_getrootdir (), "mono", "gac", aname->name, NULL);
1904 res = probe_for_partial_name (gacpath, fullname, aname, status);
1910 MonoDomain *domain = mono_domain_get ();
1911 MonoReflectionAssembly *refasm = mono_try_assembly_resolve (domain, mono_string_new (domain, name), FALSE);
1913 res = refasm->assembly;
1917 mono_assembly_name_free (aname);
1923 mono_assembly_load_publisher_policy (MonoAssemblyName *aname)
1926 gchar *filename, *pname, *name, *culture, *version, *fullpath, *subpath;
1930 if (strstr (aname->name, ".dll")) {
1931 len = strlen (aname->name) - 4;
1932 name = g_malloc (len);
1933 strncpy (name, aname->name, len);
1935 name = g_strdup (aname->name);
1937 if (aname->culture) {
1938 culture = g_strdup (aname->culture);
1939 g_strdown (culture);
1941 culture = g_strdup ("");
1943 pname = g_strdup_printf ("policy.%d.%d.%s", aname->major, aname->minor, name);
1944 version = g_strdup_printf ("0.0.0.0_%s_%s", culture, aname->public_key_token);
1948 filename = g_strconcat (pname, ".dll", NULL);
1949 subpath = g_build_path (G_DIR_SEPARATOR_S, pname, version, filename, NULL);
1955 if (extra_gac_paths) {
1956 paths = extra_gac_paths;
1957 while (!image && *paths) {
1958 fullpath = g_build_path (G_DIR_SEPARATOR_S, *paths,
1959 "lib", "mono", "gac", subpath, NULL);
1960 image = mono_image_open (fullpath, NULL);
1971 fullpath = g_build_path (G_DIR_SEPARATOR_S, mono_assembly_getrootdir (),
1972 "mono", "gac", subpath, NULL);
1973 image = mono_image_open (fullpath, NULL);
1980 static MonoAssemblyName*
1981 mono_assembly_bind_version (MonoAssemblyBindingInfo *info, MonoAssemblyName *aname, MonoAssemblyName *dest_name)
1983 memcpy (dest_name, aname, sizeof (MonoAssemblyName));
1984 dest_name->major = info->new_version.major;
1985 dest_name->minor = info->new_version.minor;
1986 dest_name->build = info->new_version.build;
1987 dest_name->revision = info->new_version.revision;
1992 /* LOCKING: Assumes that we are already locked */
1993 static MonoAssemblyBindingInfo*
1994 search_binding_loaded (MonoAssemblyName *aname)
1998 for (tmp = loaded_assembly_bindings; tmp; tmp = tmp->next) {
1999 MonoAssemblyBindingInfo *info = tmp->data;
2000 if (assembly_binding_maps_name (info, aname))
2007 static MonoAssemblyName*
2008 mono_assembly_apply_binding (MonoAssemblyName *aname, MonoAssemblyName *dest_name)
2010 MonoAssemblyBindingInfo *info, *info2;
2013 if (aname->public_key_token [0] == 0)
2016 mono_loader_lock ();
2017 info = search_binding_loaded (aname);
2018 mono_loader_unlock ();
2020 if (!check_policy_versions (info, aname))
2023 mono_assembly_bind_version (info, aname, dest_name);
2027 info = g_new0 (MonoAssemblyBindingInfo, 1);
2028 info->major = aname->major;
2029 info->minor = aname->minor;
2031 ppimage = mono_assembly_load_publisher_policy (aname);
2033 get_publisher_policy_info (ppimage, aname, info);
2034 mono_image_close (ppimage);
2037 /* Define default error value if needed */
2038 if (!info->is_valid) {
2039 info->name = g_strdup (aname->name);
2040 info->culture = g_strdup (aname->culture);
2041 g_strlcpy ((char *)info->public_key_token, (const char *)aname->public_key_token, MONO_PUBLIC_KEY_TOKEN_LENGTH);
2044 mono_loader_lock ();
2045 info2 = search_binding_loaded (aname);
2047 /* This binding was added by another thread
2049 mono_assembly_binding_info_free (info);
2054 loaded_assembly_bindings = g_slist_prepend (loaded_assembly_bindings, info);
2056 mono_loader_unlock ();
2058 if (!info->is_valid || !check_policy_versions (info, aname))
2061 mono_assembly_bind_version (info, aname, dest_name);
2066 * mono_assembly_load_from_gac
2068 * @aname: The assembly name object
2070 static MonoAssembly*
2071 mono_assembly_load_from_gac (MonoAssemblyName *aname, gchar *filename, MonoImageOpenStatus *status, MonoBoolean refonly)
2073 MonoAssembly *result = NULL;
2074 gchar *name, *version, *culture, *fullpath, *subpath;
2078 if (aname->public_key_token [0] == 0) {
2082 if (strstr (aname->name, ".dll")) {
2083 len = strlen (filename) - 4;
2084 name = g_malloc (len);
2085 strncpy (name, aname->name, len);
2087 name = g_strdup (aname->name);
2090 if (aname->culture) {
2091 culture = g_strdup (aname->culture);
2092 g_strdown (culture);
2094 culture = g_strdup ("");
2097 version = g_strdup_printf ("%d.%d.%d.%d_%s_%s", aname->major,
2098 aname->minor, aname->build, aname->revision,
2099 culture, aname->public_key_token);
2101 subpath = g_build_path (G_DIR_SEPARATOR_S, name, version, filename, NULL);
2106 if (extra_gac_paths) {
2107 paths = extra_gac_paths;
2108 while (!result && *paths) {
2109 fullpath = g_build_path (G_DIR_SEPARATOR_S, *paths, "lib", "mono", "gac", subpath, NULL);
2110 result = mono_assembly_open_full (fullpath, status, refonly);
2117 result->in_gac = TRUE;
2122 fullpath = g_build_path (G_DIR_SEPARATOR_S, mono_assembly_getrootdir (),
2123 "mono", "gac", subpath, NULL);
2124 result = mono_assembly_open_full (fullpath, status, refonly);
2128 result->in_gac = TRUE;
2137 mono_assembly_load_corlib (const MonoRuntimeInfo *runtime, MonoImageOpenStatus *status)
2142 /* g_print ("corlib already loaded\n"); */
2146 if (assemblies_path) {
2147 corlib = load_in_path ("mscorlib.dll", (const char**)assemblies_path, status, FALSE);
2152 /* Load corlib from mono/<version> */
2154 corlib_file = g_build_filename ("mono", runtime->framework_version, "mscorlib.dll", NULL);
2155 if (assemblies_path) {
2156 corlib = load_in_path (corlib_file, (const char**)assemblies_path, status, FALSE);
2158 g_free (corlib_file);
2162 corlib = load_in_path (corlib_file, default_path, status, FALSE);
2163 g_free (corlib_file);
2168 MonoAssembly* mono_assembly_load_full_nosearch (MonoAssemblyName *aname,
2169 const char *basedir,
2170 MonoImageOpenStatus *status,
2173 MonoAssembly *result;
2174 char *fullpath, *filename;
2175 MonoAssemblyName maped_aname, maped_name_pp;
2180 aname = mono_assembly_remap_version (aname, &maped_aname);
2182 /* Reflection only assemblies don't get assembly binding */
2184 aname = mono_assembly_apply_binding (aname, &maped_name_pp);
2186 result = mono_assembly_loaded_full (aname, refonly);
2190 result = refonly ? invoke_assembly_refonly_preload_hook (aname, assemblies_path) : invoke_assembly_preload_hook (aname, assemblies_path);
2192 result->in_gac = FALSE;
2196 /* Currently we retrieve the loaded corlib for reflection
2197 * only requests, like a common reflection only assembly
2199 if (strcmp (aname->name, "mscorlib") == 0 || strcmp (aname->name, "mscorlib.dll") == 0) {
2200 return mono_assembly_load_corlib (mono_get_runtime_info (), status);
2203 len = strlen (aname->name);
2204 for (ext_index = 0; ext_index < 2; ext_index ++) {
2205 ext = ext_index == 0 ? ".dll" : ".exe";
2206 if (len > 4 && (!strcmp (aname->name + len - 4, ".dll") || !strcmp (aname->name + len - 4, ".exe"))) {
2207 filename = g_strdup (aname->name);
2208 /* Don't try appending .dll/.exe if it already has one of those extensions */
2211 filename = g_strconcat (aname->name, ext, NULL);
2214 result = mono_assembly_load_from_gac (aname, filename, status, refonly);
2221 fullpath = g_build_filename (basedir, filename, NULL);
2222 result = mono_assembly_open_full (fullpath, status, refonly);
2225 result->in_gac = FALSE;
2231 result = load_in_path (filename, default_path, status, refonly);
2233 result->in_gac = FALSE;
2243 * mono_assembly_load_full:
2244 * @aname: A MonoAssemblyName with the assembly name to load.
2245 * @basedir: A directory to look up the assembly at.
2246 * @status: a pointer to a MonoImageOpenStatus to return the status of the load operation
2247 * @refonly: Whether this assembly is being opened in "reflection-only" mode.
2249 * Loads the assembly referenced by @aname, if the value of @basedir is not NULL, it
2250 * attempts to load the assembly from that directory before probing the standard locations.
2252 * If the assembly is being opened in reflection-only mode (@refonly set to TRUE) then no
2253 * assembly binding takes place.
2255 * Returns: the assembly referenced by @aname loaded or NULL on error. On error the
2256 * value pointed by status is updated with an error code.
2259 mono_assembly_load_full (MonoAssemblyName *aname, const char *basedir, MonoImageOpenStatus *status, gboolean refonly)
2261 MonoAssembly *result = mono_assembly_load_full_nosearch (aname, basedir, status, refonly);
2264 /* Try a postload search hook */
2265 result = mono_assembly_invoke_search_hook_internal (aname, refonly, TRUE);
2270 * mono_assembly_load:
2271 * @aname: A MonoAssemblyName with the assembly name to load.
2272 * @basedir: A directory to look up the assembly at.
2273 * @status: a pointer to a MonoImageOpenStatus to return the status of the load operation
2275 * Loads the assembly referenced by @aname, if the value of @basedir is not NULL, it
2276 * attempts to load the assembly from that directory before probing the standard locations.
2278 * Returns: the assembly referenced by @aname loaded or NULL on error. On error the
2279 * value pointed by status is updated with an error code.
2282 mono_assembly_load (MonoAssemblyName *aname, const char *basedir, MonoImageOpenStatus *status)
2284 return mono_assembly_load_full (aname, basedir, status, FALSE);
2288 mono_assembly_loaded_full (MonoAssemblyName *aname, gboolean refonly)
2291 MonoAssemblyName maped_aname;
2293 aname = mono_assembly_remap_version (aname, &maped_aname);
2295 mono_assemblies_lock ();
2296 res = search_loaded (aname, refonly);
2297 mono_assemblies_unlock ();
2303 * mono_assembly_loaded:
2304 * @aname: an assembly to look for.
2306 * Returns: NULL If the given @aname assembly has not been loaded, or a pointer to
2307 * a MonoAssembly that matches the MonoAssemblyName specified.
2310 mono_assembly_loaded (MonoAssemblyName *aname)
2312 return mono_assembly_loaded_full (aname, FALSE);
2316 * mono_assembly_close:
2317 * @assembly: the assembly to release.
2319 * This method releases a reference to the @assembly. The assembly is
2320 * only released when all the outstanding references to it are released.
2323 mono_assembly_close (MonoAssembly *assembly)
2326 g_return_if_fail (assembly != NULL);
2328 if (assembly == REFERENCE_MISSING)
2331 /* Might be 0 already */
2332 if (InterlockedDecrement (&assembly->ref_count) > 0)
2335 mono_profiler_assembly_event (assembly, MONO_PROFILE_START_UNLOAD);
2337 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_ASSEMBLY, "Unloading assembly %s [%p].", assembly->aname.name, assembly);
2339 mono_debug_close_image (assembly->image);
2341 mono_assemblies_lock ();
2342 loaded_assemblies = g_list_remove (loaded_assemblies, assembly);
2343 mono_assemblies_unlock ();
2345 assembly->image->assembly = NULL;
2347 mono_image_close (assembly->image);
2349 for (tmp = assembly->friend_assembly_names; tmp; tmp = tmp->next) {
2350 MonoAssemblyName *fname = tmp->data;
2351 mono_assembly_name_free (fname);
2354 g_slist_free (assembly->friend_assembly_names);
2355 g_free (assembly->basedir);
2356 if (assembly->dynamic) {
2357 g_free ((char*)assembly->aname.culture);
2362 mono_profiler_assembly_event (assembly, MONO_PROFILE_END_UNLOAD);
2366 mono_assembly_load_module (MonoAssembly *assembly, guint32 idx)
2368 return mono_image_load_file_for_image (assembly->image, idx);
2372 mono_assembly_foreach (GFunc func, gpointer user_data)
2377 * We make a copy of the list to avoid calling the callback inside the
2378 * lock, which could lead to deadlocks.
2380 mono_assemblies_lock ();
2381 copy = g_list_copy (loaded_assemblies);
2382 mono_assemblies_unlock ();
2384 g_list_foreach (loaded_assemblies, func, user_data);
2390 * mono_assemblies_cleanup:
2392 * Free all resources used by this module.
2395 mono_assemblies_cleanup (void)
2399 DeleteCriticalSection (&assemblies_mutex);
2401 for (l = loaded_assembly_bindings; l; l = l->next) {
2402 MonoAssemblyBindingInfo *info = l->data;
2404 mono_assembly_binding_info_free (info);
2407 g_slist_free (loaded_assembly_bindings);
2409 free_assembly_load_hooks ();
2410 free_assembly_search_hooks ();
2411 free_assembly_preload_hooks ();
2415 * Holds the assembly of the application, for
2416 * System.Diagnostics.Process::MainModule
2418 static MonoAssembly *main_assembly=NULL;
2421 mono_assembly_set_main (MonoAssembly *assembly)
2423 main_assembly = assembly;
2427 * mono_assembly_get_main:
2429 * Returns: the assembly for the application, the first assembly that is loaded by the VM
2432 mono_assembly_get_main (void)
2434 return (main_assembly);
2438 * mono_assembly_get_image:
2439 * @assembly: The assembly to retrieve the image from
2441 * Returns: the MonoImage associated with this assembly.
2444 mono_assembly_get_image (MonoAssembly *assembly)
2446 return assembly->image;
2450 mono_register_bundled_assemblies (const MonoBundledAssembly **assemblies)
2452 bundles = assemblies;