#include <mono/metadata/loader.h>
#include <mono/metadata/tabledefs.h>
#include <mono/metadata/metadata-internals.h>
+#include <mono/metadata/class-internals.h>
#include <mono/metadata/domain-internals.h>
+#include <mono/metadata/mono-endian.h>
#include <mono/io-layer/io-layer.h>
#include <mono/utils/mono-uri.h>
#include <mono/metadata/mono-config.h>
#include <mono/utils/mono-digest.h>
#include <mono/utils/mono-logger.h>
-#ifdef PLATFORM_WIN32
#include <mono/os/util.h>
-#endif
-/* the default search path is just MONO_ASSEMBLIES */
+/* AssemblyVersionMap: an assembly name and the assembly version set on which it is based */
+typedef struct {
+ const char* assembly_name;
+ guint8 version_set_index;
+} AssemblyVersionMap;
+
+/* the default search path is empty, the first slot is replaced with the computed value */
static const char*
default_path [] = {
- MONO_ASSEMBLIES,
+ NULL,
NULL
};
/* The list of system assemblies what will be remapped to the running
* runtime version. WARNING: this list must be sorted.
*/
-static const char *framework_assemblies [] = {
- "Accessibility",
- "Commons.Xml.Relaxng",
- "I18N",
- "I18N.CJK",
- "I18N.MidEast",
- "I18N.Other",
- "I18N.Rare",
- "I18N.West",
- "Mono.Cairo",
- "Mono.CompilerServices.SymbolWriter",
- "Mono.Data",
- "Mono.Data.SqliteClient",
- "Mono.Data.SybaseClient",
- "Mono.Data.Tds",
- "Mono.Data.TdsClient",
- "Mono.GetOptions",
- "Mono.Http",
- "Mono.Posix",
- "Mono.Security",
- "Mono.Security.Win32",
- "Mono.Xml.Ext",
- "Novell.Directory.Ldap",
- "Npgsql",
- "PEAPI",
- "System",
- "System.Configuration.Install",
- "System.Data",
- "System.Data.OracleClient",
- "System.Data.SqlXml",
- "System.Design",
- "System.DirectoryServices",
- "System.Drawing",
- "System.Drawing.Design",
- "System.EnterpriseServices",
- "System.Management",
- "System.Messaging",
- "System.Runtime.Remoting",
- "System.Runtime.Serialization.Formatters.Soap",
- "System.Security",
- "System.ServiceProcess",
- "System.Web",
- "System.Web.Mobile",
- "System.Web.Services",
- "System.Windows.Forms",
- "System.Xml",
- "mscorlib"
+static const AssemblyVersionMap framework_assemblies [] = {
+ {"Accessibility", 0},
+ {"Commons.Xml.Relaxng", 0},
+ {"I18N", 0},
+ {"I18N.CJK", 0},
+ {"I18N.MidEast", 0},
+ {"I18N.Other", 0},
+ {"I18N.Rare", 0},
+ {"I18N.West", 0},
+ {"Microsoft.VisualBasic", 1},
+ {"Microsoft.VisualC", 1},
+ {"Mono.Cairo", 0},
+ {"Mono.CompilerServices.SymbolWriter", 0},
+ {"Mono.Data", 0},
+ {"Mono.Data.SqliteClient", 0},
+ {"Mono.Data.SybaseClient", 0},
+ {"Mono.Data.Tds", 0},
+ {"Mono.Data.TdsClient", 0},
+ {"Mono.GetOptions", 0},
+ {"Mono.Http", 0},
+ {"Mono.Posix", 0},
+ {"Mono.Security", 0},
+ {"Mono.Security.Win32", 0},
+ {"Mono.Xml.Ext", 0},
+ {"Novell.Directory.Ldap", 0},
+ {"Npgsql", 0},
+ {"PEAPI", 0},
+ {"System", 0},
+ {"System.Configuration.Install", 0},
+ {"System.Data", 0},
+ {"System.Data.OracleClient", 0},
+ {"System.Data.SqlXml", 0},
+ {"System.Design", 0},
+ {"System.DirectoryServices", 0},
+ {"System.Drawing", 0},
+ {"System.Drawing.Design", 0},
+ {"System.EnterpriseServices", 0},
+ {"System.Management", 0},
+ {"System.Messaging", 0},
+ {"System.Runtime.Remoting", 0},
+ {"System.Runtime.Serialization.Formatters.Soap", 0},
+ {"System.Security", 0},
+ {"System.ServiceProcess", 0},
+ {"System.Web", 0},
+ {"System.Web.Mobile", 0},
+ {"System.Web.Services", 0},
+ {"System.Windows.Forms", 0},
+ {"System.Xml", 0},
+ {"mscorlib", 0}
};
-
+
/*
* keeps track of loaded assemblies
*/
static MonoAssembly *corlib;
/* This protects loaded_assemblies and image->references */
+#define mono_assemblies_lock() EnterCriticalSection (&assemblies_mutex)
+#define mono_assemblies_unlock() LeaveCriticalSection (&assemblies_mutex)
static CRITICAL_SECTION assemblies_mutex;
/* A hastable of thread->assembly list mappings */
static GHashTable *assemblies_loading;
+/* A hashtable of reflection only load thread->assemblies mappings */
+static GHashTable *assemblies_refonly_loading;
+
/* If defined, points to the bundled assembly information */
const MonoBundledAssembly **bundles;
+/* Loaded assembly binding info */
+static GSList *loaded_assembly_bindings = NULL;
+
+static MonoAssembly*
+mono_assembly_invoke_search_hook_internal (MonoAssemblyName *aname, gboolean refonly, gboolean postload);
+
static gchar*
encode_public_tok (const guchar *token, gint32 len)
{
}
}
+static gboolean
+assembly_binding_maps_name (MonoAssemblyBindingInfo *info, MonoAssemblyName *aname)
+{
+ if (strcmp (info->name, aname->name))
+ return FALSE;
+
+ if (info->major != aname->major || info->minor != aname->minor)
+ return FALSE;
+
+ if ((info->culture != NULL) != (aname->culture != NULL))
+ return FALSE;
+
+ if (info->culture && strcmp (info->culture, aname->culture))
+ return FALSE;
+
+ if (strcmp ((const char *)info->public_key_token, (const char *)aname->public_key_token))
+ return FALSE;
+
+ return TRUE;
+}
+
+static void
+mono_assembly_binding_info_free (MonoAssemblyBindingInfo *info)
+{
+ g_free (info->name);
+ g_free (info->culture);
+}
+
+static void
+get_publisher_policy_info (MonoImage *image, MonoAssemblyName *aname, MonoAssemblyBindingInfo *binding_info)
+{
+ MonoTableInfo *t;
+ guint32 cols [MONO_MANIFEST_SIZE];
+ const gchar *filename;
+ gchar *subpath, *fullpath;
+
+ t = &image->tables [MONO_TABLE_MANIFESTRESOURCE];
+ /* MS Impl. accepts policy assemblies with more than
+ * one manifest resource, and only takes the first one */
+ if (t->rows < 1) {
+ binding_info->is_valid = FALSE;
+ return;
+ }
+
+ mono_metadata_decode_row (t, 0, cols, MONO_MANIFEST_SIZE);
+ if ((cols [MONO_MANIFEST_IMPLEMENTATION] & MONO_IMPLEMENTATION_MASK) != MONO_IMPLEMENTATION_FILE) {
+ binding_info->is_valid = FALSE;
+ return;
+ }
+
+ filename = mono_metadata_string_heap (image, cols [MONO_MANIFEST_NAME]);
+ g_assert (filename != NULL);
+
+ subpath = g_path_get_dirname (image->name);
+ fullpath = g_build_path (G_DIR_SEPARATOR_S, subpath, filename, NULL);
+ mono_config_parse_publisher_policy (fullpath, binding_info);
+ g_free (subpath);
+ g_free (fullpath);
+
+ /* Define the optional elements/attributes before checking */
+ if (!binding_info->culture)
+ binding_info->culture = g_strdup ("");
+
+ /* Check that the most important elements/attributes exist */
+ if (!binding_info->name || !binding_info->public_key_token [0] || !binding_info->has_old_version_bottom ||
+ !binding_info->has_new_version || !assembly_binding_maps_name (binding_info, aname)) {
+ mono_assembly_binding_info_free (binding_info);
+ binding_info->is_valid = FALSE;
+ return;
+ }
+
+ binding_info->is_valid = TRUE;
+}
+
+static int
+compare_versions (AssemblyVersionSet *v, MonoAssemblyName *aname)
+{
+ if (v->major > aname->major)
+ return 1;
+ else if (v->major < aname->major)
+ return -1;
+
+ if (v->minor > aname->minor)
+ return 1;
+ else if (v->minor < aname->minor)
+ return -1;
+
+ if (v->build > aname->build)
+ return 1;
+ else if (v->build < aname->build)
+ return -1;
+
+ if (v->revision > aname->revision)
+ return 1;
+ else if (v->revision < aname->revision)
+ return -1;
+
+ return 0;
+}
+
+static gboolean
+check_policy_versions (MonoAssemblyBindingInfo *info, MonoAssemblyName *name)
+{
+ if (!info->is_valid)
+ return FALSE;
+
+ /* If has_old_version_top doesn't exist, we don't have an interval */
+ if (!info->has_old_version_top) {
+ if (compare_versions (&info->old_version_bottom, name) == 0)
+ return TRUE;
+
+ return FALSE;
+ }
+
+ /* Check that the version defined by name is valid for the interval */
+ if (compare_versions (&info->old_version_top, name) < 0)
+ return FALSE;
+
+ /* We should be greater or equal than the small version */
+ if (compare_versions (&info->old_version_bottom, name) > 0)
+ return FALSE;
+
+ return TRUE;
+}
+
+/**
+ * mono_assembly_names_equal:
+ * @l: first assembly
+ * @r: second assembly.
+ *
+ * Compares two MonoAssemblyNames and returns whether they are equal.
+ * This compares the names, the cultures, the release version and their
+ * public tokens.
+ *
+ * Returns: TRUE if both assembly names are equal.
+ */
gboolean
mono_assembly_names_equal (MonoAssemblyName *l, MonoAssemblyName *r)
{
}
static MonoAssembly*
-search_loaded (MonoAssemblyName* aname)
+search_loaded (MonoAssemblyName* aname, gboolean refonly)
{
GList *tmp;
MonoAssembly *ass;
GList *loading;
- ass = mono_assembly_invoke_search_hook (aname);
+ ass = mono_assembly_invoke_search_hook_internal (aname, refonly, FALSE);
if (ass)
return ass;
* The assembly might be under load by this thread. In this case, it is
* safe to return an incomplete instance to prevent loops.
*/
- loading = g_hash_table_lookup (assemblies_loading, GetCurrentThread ());
+ loading = g_hash_table_lookup (refonly ? assemblies_refonly_loading : assemblies_loading, GetCurrentThread ());
for (tmp = loading; tmp; tmp = tmp->next) {
ass = tmp->data;
if (!mono_assembly_names_equal (aname, &ass->aname))
}
static MonoAssembly *
-load_in_path (const char *basename, const char** search_path, MonoImageOpenStatus *status)
+load_in_path (const char *basename, const char** search_path, MonoImageOpenStatus *status, MonoBoolean refonly)
{
int i;
char *fullpath;
for (i = 0; search_path [i]; ++i) {
fullpath = g_build_filename (search_path [i], basename, NULL);
- result = mono_assembly_open (fullpath, status);
+ result = mono_assembly_open_full (fullpath, status, refonly);
g_free (fullpath);
if (result)
return result;
default_path [0] = g_strdup (root_dir);
}
+/**
+ * mono_assembly_getrootdir:
+ *
+ * Returns: The internal root directory used for looking up assemblies
+ */
G_CONST_RETURN gchar *
mono_assembly_getrootdir (void)
{
return default_path [0];
}
+/**
+ * mono_set_dirs:
+ * @assembly_dir: the base directory for assemblies
+ * @config_dir: the base directory for configuration files
+ *
+ * This routine is used internally and by developers embedding
+ * the runtime into their own applications. There are a number
+ * of cases to consider: Mono as a system-installed package that
+ * is available on the location preconfigured or Mono in a relocated
+ * location.
+ *
+ * If you are using a system-installed Mono, you can pass NULL
+ * to both parameters. If you are not, you should compute both
+ * directory values and call this routine.
+ *
+ * The values for a given PREFIX are:
+ *
+ * assembly_dir: PREFIX/lib
+ * config_dir: PREFIX/etc
+ *
+ * Notice that embedders that use Mono in a relocated way must
+ * compute the location at runtime, as they will be in control
+ * of where Mono is installed.
+ */
+void
+mono_set_dirs (const char *assembly_dir, const char *config_dir)
+{
+ if (assembly_dir == NULL)
+ assembly_dir = MONO_ASSEMBLIES;
+ if (config_dir == NULL)
+ config_dir = MONO_CFG_DIR;
+ mono_assembly_setrootdir (assembly_dir);
+ mono_set_config_dir (config_dir);
+}
+
/**
* mono_assemblies_init:
*
void
mono_assemblies_init (void)
{
-#ifdef PLATFORM_WIN32
- mono_set_rootdir ();
-#endif
+ /*
+ * Initialize our internal paths if we have not been initialized yet.
+ * This happens when embedders use Mono.
+ */
+ if (mono_assembly_getrootdir () == NULL)
+ mono_set_rootdir ();
check_path_env ();
check_extra_gac_path_env ();
InitializeCriticalSection (&assemblies_mutex);
assemblies_loading = g_hash_table_new (NULL, NULL);
+ assemblies_refonly_loading = g_hash_table_new (NULL, NULL);
}
gboolean
return TRUE;
}
+/*
+ * mono_stringify_assembly_name:
+ *
+ * Convert @aname into its string format. The returned string is dynamically
+ * allocated and should be freed by the caller.
+ */
+char*
+mono_stringify_assembly_name (MonoAssemblyName *aname)
+{
+ return g_strdup_printf (
+ "%s, Version=%d.%d.%d.%d, Culture=%s%s%s",
+ aname->name,
+ aname->major, aname->minor, aname->build, aname->revision,
+ aname->culture && *aname->culture? aname->culture: "neutral",
+ aname->public_key_token [0] ? ", PublicKeyToken=" : "",
+ aname->public_key_token [0] ? (char *)aname->public_key_token : "");
+}
+
static gchar*
assemblyref_public_tok (MonoImage *image, guint32 key_index, guint32 flags)
{
return encode_public_tok (public_tok, len);
}
+/**
+ * mono_assembly_addref:
+ * @assemnly: the assembly to reference
+ *
+ * This routine increments the reference count on a MonoAssembly.
+ * The reference count is reduced every time the method mono_assembly_close() is
+ * invoked.
+ */
void
mono_assembly_addref (MonoAssembly *assembly)
{
- EnterCriticalSection (&assemblies_mutex);
- /*g_print ("adding ref from %d to %s (%p)\n", assembly->ref_count, assembly->aname.name, assembly);*/
- assembly->ref_count++;
- LeaveCriticalSection (&assemblies_mutex);
+ InterlockedIncrement (&assembly->ref_count);
}
static MonoAssemblyName *
mono_assembly_remap_version (MonoAssemblyName *aname, MonoAssemblyName *dest_aname)
{
- MonoRuntimeInfo *current_runtime;
+ const MonoRuntimeInfo *current_runtime;
int pos, first, last;
if (aname->name == NULL) return aname;
current_runtime = mono_get_runtime_info ();
- /* remap only when the assembly is older than the expected version */
-
- if (aname->major > current_runtime->assembly_major) return aname;
- if (aname->major == current_runtime->assembly_major) {
- if (aname->minor > current_runtime->assembly_minor) return aname;
- if (aname->minor == current_runtime->assembly_minor) {
- if (aname->build > current_runtime->assembly_build) return aname;
- if (aname->build == current_runtime->assembly_build) {
- if (aname->revision >= current_runtime->assembly_revision) return aname;
- }
- }
- }
-
first = 0;
last = G_N_ELEMENTS (framework_assemblies) - 1;
while (first <= last) {
int res;
pos = first + (last - first) / 2;
- res = strcmp (aname->name, framework_assemblies[pos]);
+ res = strcmp (aname->name, framework_assemblies[pos].assembly_name);
if (res == 0) {
+ const AssemblyVersionSet* vset;
+ int index = framework_assemblies[pos].version_set_index;
+ g_assert (index < G_N_ELEMENTS (current_runtime->version_sets));
+ vset = ¤t_runtime->version_sets [index];
+
+ if (aname->major == vset->major && aname->minor == vset->minor &&
+ aname->build == vset->build && aname->revision == vset->revision)
+ return aname;
+
if ((aname->major | aname->minor | aname->build | aname->revision) != 0)
mono_trace (G_LOG_LEVEL_WARNING, MONO_TRACE_ASSEMBLY,
"The request to load the assembly %s v%d.%d.%d.%d was remapped to v%d.%d.%d.%d",
aname->name,
aname->major, aname->minor, aname->build, aname->revision,
- current_runtime->assembly_major, current_runtime->assembly_minor, current_runtime->assembly_build, current_runtime->assembly_revision
+ vset->major, vset->minor, vset->build, vset->revision
);
memcpy (dest_aname, aname, sizeof(MonoAssemblyName));
- dest_aname->major = current_runtime->assembly_major;
- dest_aname->minor = current_runtime->assembly_minor;
- dest_aname->build = current_runtime->assembly_build;
- dest_aname->revision = current_runtime->assembly_revision;
+ dest_aname->major = vset->major;
+ dest_aname->minor = vset->minor;
+ dest_aname->build = vset->build;
+ dest_aname->revision = vset->revision;
return dest_aname;
- } else if (res == -1) {
+ } else if (res < 0) {
last = pos - 1;
} else {
first = pos + 1;
return aname;
}
+/*
+ * mono_assembly_get_assemblyref:
+ *
+ * Fill out ANAME with the assembly name of the INDEXth assembly reference in IMAGE.
+ */
void
-mono_assembly_load_reference (MonoImage *image, int index)
+mono_assembly_get_assemblyref (MonoImage *image, int index, MonoAssemblyName *aname)
{
MonoTableInfo *t;
guint32 cols [MONO_ASSEMBLYREF_SIZE];
const char *hash;
+
+ t = &image->tables [MONO_TABLE_ASSEMBLYREF];
+
+ mono_metadata_decode_row (t, index, cols, MONO_ASSEMBLYREF_SIZE);
+
+ hash = mono_metadata_blob_heap (image, cols [MONO_ASSEMBLYREF_HASH_VALUE]);
+ aname->hash_len = mono_metadata_decode_blob_size (hash, &hash);
+ aname->hash_value = hash;
+ aname->name = mono_metadata_string_heap (image, cols [MONO_ASSEMBLYREF_NAME]);
+ aname->culture = mono_metadata_string_heap (image, cols [MONO_ASSEMBLYREF_CULTURE]);
+ aname->flags = cols [MONO_ASSEMBLYREF_FLAGS];
+ aname->major = cols [MONO_ASSEMBLYREF_MAJOR_VERSION];
+ aname->minor = cols [MONO_ASSEMBLYREF_MINOR_VERSION];
+ aname->build = cols [MONO_ASSEMBLYREF_BUILD_NUMBER];
+ aname->revision = cols [MONO_ASSEMBLYREF_REV_NUMBER];
+
+ if (cols [MONO_ASSEMBLYREF_PUBLIC_KEY]) {
+ gchar *token = assemblyref_public_tok (image, cols [MONO_ASSEMBLYREF_PUBLIC_KEY], aname->flags);
+ g_strlcpy (aname->public_key_token, token, MONO_PUBLIC_KEY_TOKEN_LENGTH);
+ g_free (token);
+ } else {
+ memset (aname->public_key_token, 0, MONO_PUBLIC_KEY_TOKEN_LENGTH);
+ }
+}
+
+void
+mono_assembly_load_reference (MonoImage *image, int index)
+{
MonoAssembly *reference;
MonoAssemblyName aname;
MonoImageOpenStatus status;
* image->references is shared between threads, so we need to access
* it inside a critical section.
*/
- EnterCriticalSection (&assemblies_mutex);
+ mono_assemblies_lock ();
reference = image->references [index];
- LeaveCriticalSection (&assemblies_mutex);
+ mono_assemblies_unlock ();
if (reference)
return;
- t = &image->tables [MONO_TABLE_ASSEMBLYREF];
+ mono_assembly_get_assemblyref (image, index, &aname);
- mono_metadata_decode_row (t, index, cols, MONO_ASSEMBLYREF_SIZE);
-
- hash = mono_metadata_blob_heap (image, cols [MONO_ASSEMBLYREF_HASH_VALUE]);
- aname.hash_len = mono_metadata_decode_blob_size (hash, &hash);
- aname.hash_value = hash;
- aname.name = mono_metadata_string_heap (image, cols [MONO_ASSEMBLYREF_NAME]);
- aname.culture = mono_metadata_string_heap (image, cols [MONO_ASSEMBLYREF_CULTURE]);
- aname.flags = cols [MONO_ASSEMBLYREF_FLAGS];
- aname.major = cols [MONO_ASSEMBLYREF_MAJOR_VERSION];
- aname.minor = cols [MONO_ASSEMBLYREF_MINOR_VERSION];
- aname.build = cols [MONO_ASSEMBLYREF_BUILD_NUMBER];
- aname.revision = cols [MONO_ASSEMBLYREF_REV_NUMBER];
-
- if (cols [MONO_ASSEMBLYREF_PUBLIC_KEY]) {
- gchar *token = assemblyref_public_tok (image, cols [MONO_ASSEMBLYREF_PUBLIC_KEY], aname.flags);
- g_strlcpy (aname.public_key_token, token, MONO_PUBLIC_KEY_TOKEN_LENGTH);
- g_free (token);
- } else {
- memset (aname.public_key_token, 0, MONO_PUBLIC_KEY_TOKEN_LENGTH);
- }
-
- reference = mono_assembly_load (&aname, image->assembly->basedir, &status);
+ if (image->assembly->ref_only) {
+ /* We use the loaded corlib */
+ if (!strcmp (aname.name, "mscorlib"))
+ reference = mono_assembly_load_full (&aname, image->assembly->basedir, &status, FALSE);
+ else
+ reference = mono_assembly_loaded_full (&aname, TRUE);
+ /*
+ * Here we must advice that the error was due to
+ * a non loaded reference using the ReflectionOnly api
+ */
+ if (!reference)
+ reference = (gpointer)-1;
+ } else
+ reference = mono_assembly_load (&aname, image->assembly->basedir, &status);
if (reference == NULL){
char *extra_msg = g_strdup ("");
- if (status == MONO_IMAGE_ERROR_ERRNO) {
+ if (status == MONO_IMAGE_ERROR_ERRNO && errno == ENOENT) {
+ 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);
+ } else if (status == MONO_IMAGE_ERROR_ERRNO) {
extra_msg = g_strdup_printf ("System error: %s\n", strerror (errno));
} else if (status == MONO_IMAGE_MISSING_ASSEMBLYREF) {
extra_msg = g_strdup ("Cannot find an assembly referenced from this one.\n");
extra_msg = g_strdup ("The file exists but is not a valid assembly.\n");
}
- g_warning ("Could not find assembly %s, references from %s (assemblyref_index=%d)\n"
- " Major/Minor: %d,%d\n"
- " Build: %d,%d\n"
- " Token: %s\n%s",
- aname.name, image->name, index,
+ g_warning ("The following assembly referenced from %s could not be loaded:\n"
+ " Assembly: %s (assemblyref_index=%d)\n"
+ " Version: %d.%d.%d.%d\n"
+ " Public Key: %s\n%s",
+ image->name, aname.name, index,
aname.major, aname.minor, aname.build, aname.revision,
- aname.public_key_token, extra_msg);
+ strlen(aname.public_key_token) == 0 ? "(none)" : (char*)aname.public_key_token, extra_msg);
g_free (extra_msg);
}
- EnterCriticalSection (&assemblies_mutex);
+ mono_assemblies_lock ();
if (reference == NULL) {
/* Flag as not found */
reference = (gpointer)-1;
} else {
- reference->ref_count++;
+ mono_assembly_addref (reference);
}
if (!image->references [index])
image->references [index] = reference;
- LeaveCriticalSection (&assemblies_mutex);
+ mono_assemblies_unlock ();
if (image->references [index] != reference) {
/* Somebody loaded it before us */
struct AssemblySearchHook {
AssemblySearchHook *next;
MonoAssemblySearchFunc func;
+ gboolean refonly;
+ gboolean postload;
gpointer user_data;
};
AssemblySearchHook *assembly_search_hook = NULL;
-MonoAssembly*
-mono_assembly_invoke_search_hook (MonoAssemblyName *aname)
+static MonoAssembly*
+mono_assembly_invoke_search_hook_internal (MonoAssemblyName *aname, gboolean refonly, gboolean postload)
{
AssemblySearchHook *hook;
for (hook = assembly_search_hook; hook; hook = hook->next) {
- MonoAssembly *ass = hook->func (aname, hook->user_data);
- if (ass)
- return ass;
+ if ((hook->refonly == refonly) && (hook->postload == postload)) {
+ MonoAssembly *ass = hook->func (aname, hook->user_data);
+ if (ass)
+ return ass;
+ }
}
return NULL;
}
-void
-mono_install_assembly_search_hook (MonoAssemblySearchFunc func, gpointer user_data)
+MonoAssembly*
+mono_assembly_invoke_search_hook (MonoAssemblyName *aname)
+{
+ return mono_assembly_invoke_search_hook_internal (aname, FALSE, FALSE);
+}
+
+static void
+mono_install_assembly_search_hook_internal (MonoAssemblySearchFunc func, gpointer user_data, gboolean refonly, gboolean postload)
{
AssemblySearchHook *hook;
hook = g_new0 (AssemblySearchHook, 1);
hook->func = func;
hook->user_data = user_data;
+ hook->refonly = refonly;
+ hook->postload = postload;
hook->next = assembly_search_hook;
assembly_search_hook = hook;
+}
+
+void
+mono_install_assembly_search_hook (MonoAssemblySearchFunc func, gpointer user_data)
+{
+ mono_install_assembly_search_hook_internal (func, user_data, FALSE, FALSE);
}
+void
+mono_install_assembly_refonly_search_hook (MonoAssemblySearchFunc func, gpointer user_data)
+{
+ mono_install_assembly_search_hook_internal (func, user_data, TRUE, FALSE);
+}
+
+void
+mono_install_assembly_postload_search_hook (MonoAssemblySearchFunc func, gpointer user_data)
+{
+ mono_install_assembly_search_hook_internal (func, user_data, FALSE, TRUE);
+}
+
+void
+mono_install_assembly_postload_refonly_search_hook (MonoAssemblySearchFunc func, gpointer user_data)
+{
+ mono_install_assembly_search_hook_internal (func, user_data, TRUE, TRUE);
+}
+
typedef struct AssemblyPreLoadHook AssemblyPreLoadHook;
struct AssemblyPreLoadHook {
AssemblyPreLoadHook *next;
};
static AssemblyPreLoadHook *assembly_preload_hook = NULL;
+static AssemblyPreLoadHook *assembly_refonly_preload_hook = NULL;
static MonoAssembly *
invoke_assembly_preload_hook (MonoAssemblyName *aname, gchar **assemblies_path)
return NULL;
}
+static MonoAssembly *
+invoke_assembly_refonly_preload_hook (MonoAssemblyName *aname, gchar **assemblies_path)
+{
+ AssemblyPreLoadHook *hook;
+ MonoAssembly *assembly;
+
+ for (hook = assembly_refonly_preload_hook; hook; hook = hook->next) {
+ assembly = hook->func (aname, assemblies_path, hook->user_data);
+ if (assembly != NULL)
+ return assembly;
+ }
+
+ return NULL;
+}
+
void
mono_install_assembly_preload_hook (MonoAssemblyPreLoadFunc func, gpointer user_data)
{
assembly_preload_hook = hook;
}
+void
+mono_install_assembly_refonly_preload_hook (MonoAssemblyPreLoadFunc func, gpointer user_data)
+{
+ AssemblyPreLoadHook *hook;
+
+ g_return_if_fail (func != NULL);
+
+ hook = g_new0 (AssemblyPreLoadHook, 1);
+ hook->func = func;
+ hook->user_data = user_data;
+ hook->next = assembly_refonly_preload_hook;
+ assembly_refonly_preload_hook = hook;
+}
+
static gchar *
absolute_dir (const gchar *filename)
{
* returns NULL
*/
static MonoImage *
-mono_assembly_open_from_bundle (const char *filename, MonoImageOpenStatus *status)
+mono_assembly_open_from_bundle (const char *filename, MonoImageOpenStatus *status, gboolean refonly)
{
int i;
char *name = g_path_get_basename (filename);
* we do a very simple search for bundled assemblies: it's not a general
* purpose assembly loading mechanism.
*/
- EnterCriticalSection (&assemblies_mutex);
+ mono_assemblies_lock ();
for (i = 0; !image && bundles [i]; ++i) {
if (strcmp (bundles [i]->name, name) == 0) {
- image = mono_image_open_from_data ((char*)bundles [i]->data, bundles [i]->size, FALSE, status);
+ image = mono_image_open_from_data_full ((char*)bundles [i]->data, bundles [i]->size, FALSE, status, refonly);
break;
}
}
- LeaveCriticalSection (&assemblies_mutex);
+ mono_assemblies_unlock ();
g_free (name);
if (image) {
mono_image_addref (image);
}
static MonoImage*
-do_mono_assembly_open (const char *filename, MonoImageOpenStatus *status)
+do_mono_assembly_open (const char *filename, MonoImageOpenStatus *status, gboolean refonly)
{
MonoImage *image = NULL;
if (bundles != NULL){
- image = mono_assembly_open_from_bundle (filename, status);
+ image = mono_assembly_open_from_bundle (filename, status, refonly);
if (image != NULL)
return image;
}
- EnterCriticalSection (&assemblies_mutex);
- image = mono_image_open (filename, status);
- LeaveCriticalSection (&assemblies_mutex);
+ mono_assemblies_lock ();
+ image = mono_image_open_full (filename, status, refonly);
+ mono_assemblies_unlock ();
return image;
}
-/**
- * mono_assembly_open:
- * @filename: Opens the assembly pointed out by this name
- * @status: where a status code can be returned
- *
- * mono_assembly_open opens the PE-image pointed by @filename, and
- * loads any external assemblies referenced by it.
- *
- * NOTE: we could do lazy loading of the assemblies. Or maybe not worth
- * it.
- */
MonoAssembly *
-mono_assembly_open (const char *filename, MonoImageOpenStatus *status)
+mono_assembly_open_full (const char *filename, MonoImageOpenStatus *status, gboolean refonly)
{
MonoImage *image;
MonoAssembly *ass;
mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_ASSEMBLY,
"Assembly Loader probing location: '%s'.", filename);
- image = do_mono_assembly_open (fname, status);
+ image = do_mono_assembly_open (fname, status, refonly);
if (!image){
*status = MONO_IMAGE_ERROR_ERRNO;
return NULL;
}
- ass = mono_assembly_load_from (image, fname, status);
+ ass = mono_assembly_load_from_full (image, fname, status, refonly);
if (ass) {
mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_ASSEMBLY,
"Assembly Loader loaded assembly from location: '%s'.", filename);
- mono_config_for_assembly (ass->image);
+ if (!refonly)
+ mono_config_for_assembly (ass->image);
}
g_free (fname);
return ass;
}
+/**
+ * mono_assembly_open:
+ * @filename: Opens the assembly pointed out by this name
+ * @status: where a status code can be returned
+ *
+ * mono_assembly_open opens the PE-image pointed by @filename, and
+ * loads any external assemblies referenced by it.
+ *
+ * NOTE: we could do lazy loading of the assemblies. Or maybe not worth
+ * it.
+ */
MonoAssembly *
-mono_assembly_load_from (MonoImage *image, const char*fname,
- MonoImageOpenStatus *status)
+mono_assembly_open (const char *filename, MonoImageOpenStatus *status)
+{
+ return mono_assembly_open_full (filename, status, FALSE);
+}
+
+MonoAssembly *
+mono_assembly_load_from_full (MonoImage *image, const char*fname,
+ MonoImageOpenStatus *status, gboolean refonly)
{
MonoAssembly *ass, *ass2;
char *base_dir;
GList *loading;
+ GHashTable *ass_loading;
#if defined (PLATFORM_WIN32)
{
*/
ass = g_new0 (MonoAssembly, 1);
ass->basedir = base_dir;
+ ass->ref_only = refonly;
ass->image = image;
ass->ref_count = 1;
/*
* Atomically search the loaded list and add ourselves to it if necessary.
*/
- EnterCriticalSection (&assemblies_mutex);
- if (ass->aname.name)
+ mono_assemblies_lock ();
+ if (ass->aname.name) {
/* avoid loading the same assembly twice for now... */
- if ((ass2 = search_loaded (&ass->aname))) {
+ ass2 = search_loaded (&ass->aname, refonly);
+ if (ass2) {
g_free (ass);
g_free (base_dir);
mono_image_close (image);
*status = MONO_IMAGE_OK;
- LeaveCriticalSection (&assemblies_mutex);
+ mono_assemblies_unlock ();
return ass2;
}
- loading = g_hash_table_lookup (assemblies_loading, GetCurrentThread ());
+ }
+ ass_loading = refonly ? assemblies_refonly_loading : assemblies_loading;
+ loading = g_hash_table_lookup (ass_loading, GetCurrentThread ());
loading = g_list_prepend (loading, ass);
- g_hash_table_insert (assemblies_loading, GetCurrentThread (), loading);
- LeaveCriticalSection (&assemblies_mutex);
+ g_hash_table_insert (ass_loading, GetCurrentThread (), loading);
+ mono_assemblies_unlock ();
image->assembly = ass;
mono_assembly_load_references (image, status);
- EnterCriticalSection (&assemblies_mutex);
+ mono_assemblies_lock ();
- loading = g_hash_table_lookup (assemblies_loading, GetCurrentThread ());
+ loading = g_hash_table_lookup (ass_loading, GetCurrentThread ());
loading = g_list_remove (loading, ass);
if (loading == NULL)
/* Prevent memory leaks */
- g_hash_table_remove (assemblies_loading, GetCurrentThread ());
+ g_hash_table_remove (ass_loading, GetCurrentThread ());
else
- g_hash_table_insert (assemblies_loading, GetCurrentThread (), loading);
+ g_hash_table_insert (ass_loading, GetCurrentThread (), loading);
if (*status != MONO_IMAGE_OK) {
- LeaveCriticalSection (&assemblies_mutex);
+ mono_assemblies_unlock ();
mono_assembly_close (ass);
return NULL;
}
if (ass->aname.name) {
- ass2 = search_loaded (&ass->aname);
+ ass2 = search_loaded (&ass->aname, refonly);
if (ass2) {
/* Somebody else has loaded the assembly before us */
- LeaveCriticalSection (&assemblies_mutex);
+ mono_assemblies_unlock ();
mono_assembly_close (ass);
return ass2;
}
}
loaded_assemblies = g_list_prepend (loaded_assemblies, ass);
- LeaveCriticalSection (&assemblies_mutex);
+ mono_assemblies_unlock ();
mono_assembly_invoke_load_hook (ass);
return ass;
}
+MonoAssembly *
+mono_assembly_load_from (MonoImage *image, const char *fname,
+ MonoImageOpenStatus *status)
+{
+ return mono_assembly_load_from_full (image, fname, status, FALSE);
+}
+
+/**
+* mono_assembly_name_free:
+* @aname: assembly name to free
+*
+* Frees the provided assembly name object.
+* (it does not frees the object itself, only the name members).
+*/
+void
+mono_assembly_name_free (MonoAssemblyName *aname)
+{
+ if (aname == NULL)
+ return;
+
+ g_free ((void *) aname->name);
+ g_free ((void *) aname->culture);
+ g_free ((void *) aname->hash_value);
+}
+
+static gboolean
+parse_public_key (const gchar *key, gchar** pubkey)
+{
+ const gchar *pkey;
+ gchar header [16], val, *arr;
+ gint i, j, offset, bitlen, keylen, pkeylen;
+
+ keylen = strlen (key) >> 1;
+ if (keylen < 1)
+ return FALSE;
+
+ val = g_ascii_xdigit_value (key [0]) << 4;
+ val |= g_ascii_xdigit_value (key [1]);
+ switch (val) {
+ case 0x00:
+ if (keylen < 13)
+ return FALSE;
+ val = g_ascii_xdigit_value (key [24]);
+ val |= g_ascii_xdigit_value (key [25]);
+ if (val != 0x06)
+ return FALSE;
+ pkey = key + 24;
+ break;
+ case 0x06:
+ pkey = key;
+ break;
+ default:
+ return FALSE;
+ }
+
+ /* We need the first 16 bytes
+ * to check whether this key is valid or not */
+ pkeylen = strlen (pkey) >> 1;
+ if (pkeylen < 16)
+ return FALSE;
+
+ for (i = 0, j = 0; i < 16; i++) {
+ header [i] = g_ascii_xdigit_value (pkey [j++]) << 4;
+ header [i] |= g_ascii_xdigit_value (pkey [j++]);
+ }
+
+ if (header [0] != 0x06 || /* PUBLICKEYBLOB (0x06) */
+ header [1] != 0x02 || /* Version (0x02) */
+ header [2] != 0x00 || /* Reserved (word) */
+ header [3] != 0x00 ||
+ (guint)(read32 (header + 8)) != 0x31415352) /* DWORD magic = RSA1 */
+ return FALSE;
+
+ /* Based on this length, we _should_ be able to know if the length is right */
+ bitlen = read32 (header + 12) >> 3;
+ if ((bitlen + 16 + 4) != pkeylen)
+ return FALSE;
+
+ /* Encode the size of the blob */
+ offset = 0;
+ if (keylen <= 127) {
+ arr = g_malloc (keylen + 1);
+ arr [offset++] = keylen;
+ } else {
+ arr = g_malloc (keylen + 2);
+ arr [offset++] = 0x80; /* 10bs */
+ arr [offset++] = keylen;
+ }
+
+ for (i = offset, j = 0; i < keylen + offset; i++) {
+ arr [i] = g_ascii_xdigit_value (key [j++]) << 4;
+ arr [i] |= g_ascii_xdigit_value (key [j++]);
+ }
+ if (pubkey)
+ *pubkey = arr;
+
+ return TRUE;
+}
+
+static gboolean
+build_assembly_name (const char *name, const char *version, const char *culture, const char *token, const char *key, MonoAssemblyName *aname, gboolean save_public_key)
+{
+ gint major, minor, build, revision;
+ gint len;
+ gchar *pkey, *pkeyptr, *encoded, tok [8];
+
+ memset (aname, 0, sizeof (MonoAssemblyName));
+
+ if (version) {
+ if (sscanf (version, "%u.%u.%u.%u", &major, &minor, &build, &revision) != 4)
+ return FALSE;
+
+ aname->major = major;
+ aname->minor = minor;
+ aname->build = build;
+ aname->revision = revision;
+ }
+
+ aname->name = g_strdup (name);
+
+ if (culture) {
+ if (g_strcasecmp (culture, "neutral") == 0)
+ aname->culture = g_strdup ("");
+ else
+ aname->culture = g_strdup (culture);
+ }
+
+ if (token && strncmp (token, "null", 4) != 0)
+ g_strlcpy ((char*)aname->public_key_token, token, MONO_PUBLIC_KEY_TOKEN_LENGTH);
+
+ if (key && strncmp (key, "null", 4) != 0) {
+ if (!parse_public_key (key, &pkey)) {
+ mono_assembly_name_free (aname);
+ return FALSE;
+ }
+
+ len = mono_metadata_decode_blob_size ((const gchar *) pkey, (const gchar **) &pkeyptr);
+ // We also need to generate the key token
+ mono_digest_get_public_token ((guchar*) tok, (guint8*) pkeyptr, len);
+ encoded = encode_public_tok ((guchar*) tok, 8);
+ g_strlcpy ((gchar*)aname->public_key_token, encoded, MONO_PUBLIC_KEY_TOKEN_LENGTH);
+ g_free (encoded);
+
+ if (save_public_key)
+ aname->public_key = (guint8*) pkey;
+ else
+ g_free (pkey);
+ }
+
+ return TRUE;
+}
+
+static gboolean
+parse_assembly_directory_name (const char *name, const char *dirname, MonoAssemblyName *aname)
+{
+ gchar **parts;
+ gboolean res;
+
+ parts = g_strsplit (dirname, "_", 3);
+ if (!parts || !parts[0] || !parts[1] || !parts[2]) {
+ g_strfreev (parts);
+ return FALSE;
+ }
+
+ res = build_assembly_name (name, parts[0], parts[1], parts[2], NULL, aname, FALSE);
+ g_strfreev (parts);
+ return res;
+}
+
+gboolean
+mono_assembly_name_parse_full (const char *name, MonoAssemblyName *aname, gboolean save_public_key, gboolean *is_version_defined)
+{
+ gchar *dllname;
+ gchar *version = NULL;
+ gchar *culture = NULL;
+ gchar *token = NULL;
+ gchar *key = NULL;
+ gboolean res;
+ gchar *value;
+ gchar **parts;
+ gchar **tmp;
+ gboolean version_defined;
+
+ if (!is_version_defined)
+ is_version_defined = &version_defined;
+ *is_version_defined = FALSE;
+
+ parts = tmp = g_strsplit (name, ",", 4);
+ if (!tmp || !*tmp) {
+ g_strfreev (tmp);
+ return FALSE;
+ }
+
+ dllname = g_strstrip (*tmp);
+
+ tmp++;
+
+ while (*tmp) {
+ value = g_strstrip (*tmp);
+ if (!g_ascii_strncasecmp (value, "Version=", 8)) {
+ *is_version_defined = TRUE;
+ version = g_strstrip (value + 8);
+ tmp++;
+ continue;
+ }
+
+ if (!g_ascii_strncasecmp (value, "Culture=", 8)) {
+ culture = g_strstrip (value + 8);
+ tmp++;
+ continue;
+ }
+
+ if (!g_ascii_strncasecmp (value, "PublicKeyToken=", 15)) {
+ token = g_strstrip (value + 15);
+ tmp++;
+ continue;
+ }
+
+ if (!g_ascii_strncasecmp (value, "PublicKey=", 10)) {
+ key = g_strstrip (value + 10);
+ tmp++;
+ continue;
+ }
+
+ g_strfreev (parts);
+ return FALSE;
+ }
+
+ res = build_assembly_name (dllname, version, culture, token, key, aname, save_public_key);
+ g_strfreev (parts);
+ return res;
+}
+
+/**
+* mono_assembly_name_parse:
+* @name: name to parse
+* @aname: the destination assembly name
+* Returns: true if the name could be parsed.
+*
+* Parses an assembly qualified type name and assigns the name,
+* version, culture and token to the provided assembly name object.
+*/
+gboolean
+mono_assembly_name_parse (const char *name, MonoAssemblyName *aname)
+{
+ return mono_assembly_name_parse_full (name, aname, FALSE, NULL);
+}
+
static MonoAssembly*
-probe_for_partial_name (const char *basepath, const char *fullname, MonoImageOpenStatus *status)
+probe_for_partial_name (const char *basepath, const char *fullname, MonoAssemblyName *aname, MonoImageOpenStatus *status)
{
- MonoAssembly *res = NULL;
- gchar *fullpath;
+ gchar *fullpath = NULL;
GDir *dirhandle;
const char* direntry;
-
+ MonoAssemblyName gac_aname;
+ gint major=-1, minor=0, build=0, revision=0;
+ gboolean exact_version;
+
dirhandle = g_dir_open (basepath, 0, NULL);
if (!dirhandle)
return NULL;
+
+ exact_version = (aname->major | aname->minor | aname->build | aname->revision) != 0;
while ((direntry = g_dir_read_name (dirhandle))) {
- fullpath = g_build_path (G_DIR_SEPARATOR_S, basepath, direntry, fullname, NULL);
- res = mono_assembly_open (fullpath, status);
- g_free (fullpath);
- if (res)
- break;
+ gboolean match = TRUE;
+
+ parse_assembly_directory_name (aname->name, direntry, &gac_aname);
+
+ if (aname->culture != NULL && strcmp (aname->culture, gac_aname.culture) != 0)
+ match = FALSE;
+
+ if (match && strlen ((char*)aname->public_key_token) > 0 &&
+ strcmp ((char*)aname->public_key_token, (char*)gac_aname.public_key_token) != 0)
+ match = FALSE;
+
+ if (match) {
+ if (exact_version) {
+ match = (aname->major == gac_aname.major && aname->minor == gac_aname.minor &&
+ aname->build == gac_aname.build && aname->revision == gac_aname.revision);
+ }
+ else if (gac_aname.major < major)
+ match = FALSE;
+ else if (gac_aname.major == major) {
+ if (gac_aname.minor < minor)
+ match = FALSE;
+ else if (gac_aname.minor == minor) {
+ if (gac_aname.build < build)
+ match = FALSE;
+ else if (gac_aname.build == build && gac_aname.revision <= revision)
+ match = FALSE;
+ }
+ }
+ }
+
+ if (match) {
+ major = gac_aname.major;
+ minor = gac_aname.minor;
+ build = gac_aname.build;
+ revision = gac_aname.revision;
+ g_free (fullpath);
+ fullpath = g_build_path (G_DIR_SEPARATOR_S, basepath, direntry, fullname, NULL);
+ }
+
+ mono_assembly_name_free (&gac_aname);
}
+
g_dir_close (dirhandle);
-
- return res;
+
+ if (fullpath == NULL)
+ return NULL;
+ else {
+ MonoAssembly *res = mono_assembly_open (fullpath, status);
+ g_free (fullpath);
+ return res;
+ }
}
MonoAssembly*
mono_assembly_load_with_partial_name (const char *name, MonoImageOpenStatus *status)
{
MonoAssembly *res;
- MonoAssemblyName aname;
+ MonoAssemblyName *aname, base_name, maped_aname;
gchar *fullname, *gacpath;
gchar **paths;
- memset (&aname, 0, sizeof (MonoAssemblyName));
- aname.name = name;
+ memset (&base_name, 0, sizeof (MonoAssemblyName));
+ aname = &base_name;
- res = mono_assembly_loaded (&aname);
- if (res)
+ if (!mono_assembly_name_parse (name, aname))
+ return NULL;
+
+ /*
+ * If no specific version has been requested, make sure we load the
+ * correct version for system assemblies.
+ */
+ if ((aname->major | aname->minor | aname->build | aname->revision) == 0)
+ aname = mono_assembly_remap_version (aname, &maped_aname);
+
+ res = mono_assembly_loaded (aname);
+ if (res) {
+ mono_assembly_name_free (aname);
return res;
+ }
- res = invoke_assembly_preload_hook (&aname, assemblies_path);
+ res = invoke_assembly_preload_hook (aname, assemblies_path);
if (res) {
res->in_gac = FALSE;
+ mono_assembly_name_free (aname);
return res;
}
- fullname = g_strdup_printf ("%s.dll", name);
+ fullname = g_strdup_printf ("%s.dll", aname->name);
if (extra_gac_paths) {
paths = extra_gac_paths;
while (!res && *paths) {
- gacpath = g_build_path (G_DIR_SEPARATOR_S, *paths, "lib", "mono", "gac", name, NULL);
- res = probe_for_partial_name (gacpath, fullname, status);
+ gacpath = g_build_path (G_DIR_SEPARATOR_S, *paths, "lib", "mono", "gac", aname->name, NULL);
+ res = probe_for_partial_name (gacpath, fullname, aname, status);
g_free (gacpath);
paths++;
}
if (res) {
res->in_gac = TRUE;
g_free (fullname);
+ mono_assembly_name_free (aname);
return res;
-
}
- gacpath = g_build_path (G_DIR_SEPARATOR_S, mono_assembly_getrootdir (), "mono", "gac", name, NULL);
- res = probe_for_partial_name (gacpath, fullname, status);
+ gacpath = g_build_path (G_DIR_SEPARATOR_S, mono_assembly_getrootdir (), "mono", "gac", aname->name, NULL);
+ res = probe_for_partial_name (gacpath, fullname, aname, status);
g_free (gacpath);
if (res)
res->in_gac = TRUE;
g_free (fullname);
+ mono_assembly_name_free (aname);
return res;
}
+static MonoImage*
+mono_assembly_load_publisher_policy (MonoAssemblyName *aname)
+{
+ MonoImage *image;
+ gchar *filename, *pname, *name, *culture, *version, *fullpath, *subpath;
+ gchar **paths;
+ gint32 len;
+
+ if (strstr (aname->name, ".dll")) {
+ len = strlen (aname->name) - 4;
+ name = g_malloc (len);
+ strncpy (name, aname->name, len);
+ } else
+ name = g_strdup (aname->name);
+
+ if (aname->culture) {
+ culture = g_strdup (aname->culture);
+ g_strdown (culture);
+ } else
+ culture = g_strdup ("");
+
+ pname = g_strdup_printf ("policy.%d.%d.%s", aname->major, aname->minor, name);
+ version = g_strdup_printf ("0.0.0.0_%s_%s", culture, aname->public_key_token);
+ g_free (name);
+ g_free (culture);
+
+ filename = g_strconcat (pname, ".dll", NULL);
+ subpath = g_build_path (G_DIR_SEPARATOR_S, pname, version, filename, NULL);
+ g_free (pname);
+ g_free (version);
+ g_free (filename);
+
+ image = NULL;
+ if (extra_gac_paths) {
+ paths = extra_gac_paths;
+ while (!image && *paths) {
+ fullpath = g_build_path (G_DIR_SEPARATOR_S, *paths,
+ "lib", "mono", "gac", subpath, NULL);
+ image = mono_image_open (fullpath, NULL);
+ g_free (fullpath);
+ paths++;
+ }
+ }
+
+ if (image) {
+ g_free (subpath);
+ return image;
+ }
+
+ fullpath = g_build_path (G_DIR_SEPARATOR_S, mono_assembly_getrootdir (),
+ "mono", "gac", subpath, NULL);
+ image = mono_image_open (fullpath, NULL);
+ g_free (subpath);
+ g_free (fullpath);
+
+ return image;
+}
+
+static MonoAssemblyName*
+mono_assembly_bind_version (MonoAssemblyBindingInfo *info, MonoAssemblyName *aname, MonoAssemblyName *dest_name)
+{
+ memcpy (dest_name, aname, sizeof (MonoAssemblyName));
+ dest_name->major = info->new_version.major;
+ dest_name->minor = info->new_version.minor;
+ dest_name->build = info->new_version.build;
+ dest_name->revision = info->new_version.revision;
+
+ return dest_name;
+}
+
+/* LOCKING: Assumes that we are already locked */
+static MonoAssemblyBindingInfo*
+search_binding_loaded (MonoAssemblyName *aname)
+{
+ GSList *tmp;
+
+ for (tmp = loaded_assembly_bindings; tmp; tmp = tmp->next) {
+ MonoAssemblyBindingInfo *info = tmp->data;
+ if (assembly_binding_maps_name (info, aname))
+ return info;
+ }
+
+ return NULL;
+}
+
+static MonoAssemblyName*
+mono_assembly_apply_binding (MonoAssemblyName *aname, MonoAssemblyName *dest_name)
+{
+ MonoAssemblyBindingInfo *info, *info2;
+ MonoImage *ppimage;
+
+ if (aname->public_key_token [0] == 0)
+ return aname;
+
+ mono_loader_lock ();
+ info = search_binding_loaded (aname);
+ mono_loader_unlock ();
+ if (info) {
+ if (!check_policy_versions (info, aname))
+ return aname;
+
+ mono_assembly_bind_version (info, aname, dest_name);
+ return dest_name;
+ }
+
+ info = g_new0 (MonoAssemblyBindingInfo, 1);
+ info->major = aname->major;
+ info->minor = aname->minor;
+
+ ppimage = mono_assembly_load_publisher_policy (aname);
+ if (ppimage) {
+ get_publisher_policy_info (ppimage, aname, info);
+ mono_image_close (ppimage);
+ }
+
+ /* Define default error value if needed */
+ if (!info->is_valid) {
+ info->name = g_strdup (aname->name);
+ info->culture = g_strdup (aname->culture);
+ g_strlcpy ((char *)info->public_key_token, (const char *)aname->public_key_token, MONO_PUBLIC_KEY_TOKEN_LENGTH);
+ }
+
+ mono_loader_lock ();
+ info2 = search_binding_loaded (aname);
+ if (info2) {
+ /* This binding was added by another thread
+ * before us */
+ mono_assembly_binding_info_free (info);
+ g_free (info);
+
+ info = info2;
+ } else
+ loaded_assembly_bindings = g_slist_prepend (loaded_assembly_bindings, info);
+
+ mono_loader_unlock ();
+
+ if (!info->is_valid || !check_policy_versions (info, aname))
+ return aname;
+
+ mono_assembly_bind_version (info, aname, dest_name);
+ return dest_name;
+}
+
/**
* mono_assembly_load_from_gac
*
* @aname: The assembly name object
*/
static MonoAssembly*
-mono_assembly_load_from_gac (MonoAssemblyName *aname, gchar *filename, MonoImageOpenStatus *status)
+mono_assembly_load_from_gac (MonoAssemblyName *aname, gchar *filename, MonoImageOpenStatus *status, MonoBoolean refonly)
{
MonoAssembly *result = NULL;
gchar *name, *version, *culture, *fullpath, *subpath;
paths = extra_gac_paths;
while (!result && *paths) {
fullpath = g_build_path (G_DIR_SEPARATOR_S, *paths, "lib", "mono", "gac", subpath, NULL);
- result = mono_assembly_open (fullpath, status);
+ result = mono_assembly_open_full (fullpath, status, refonly);
g_free (fullpath);
paths++;
}
fullpath = g_build_path (G_DIR_SEPARATOR_S, mono_assembly_getrootdir (),
"mono", "gac", subpath, NULL);
- result = mono_assembly_open (fullpath, status);
+ result = mono_assembly_open_full (fullpath, status, refonly);
g_free (fullpath);
if (result)
return result;
}
+
+MonoAssembly*
+mono_assembly_load_corlib (const MonoRuntimeInfo *runtime, MonoImageOpenStatus *status)
+{
+ char *corlib_file;
+
+ if (corlib) {
+ /* g_print ("corlib already loaded\n"); */
+ return corlib;
+ }
+
+ if (assemblies_path) {
+ corlib = load_in_path ("mscorlib.dll", (const char**)assemblies_path, status, FALSE);
+ if (corlib)
+ return corlib;
+ }
+
+ /* Load corlib from mono/<version> */
+ corlib_file = g_build_filename ("mono", runtime->framework_version, "mscorlib.dll", NULL);
+ if (assemblies_path) {
+ corlib = load_in_path (corlib_file, (const char**)assemblies_path, status, FALSE);
+ if (corlib) {
+ g_free (corlib_file);
+ return corlib;
+ }
+ }
+ corlib = load_in_path (corlib_file, default_path, status, FALSE);
+ g_free (corlib_file);
+
+ return corlib;
+}
+
+
MonoAssembly*
-mono_assembly_load (MonoAssemblyName *aname, const char *basedir, MonoImageOpenStatus *status)
+mono_assembly_load_full (MonoAssemblyName *aname, const char *basedir, MonoImageOpenStatus *status, gboolean refonly)
{
MonoAssembly *result;
char *fullpath, *filename;
- MonoAssemblyName maped_aname;
+ MonoAssemblyName maped_aname, maped_name_pp;
+ int ext_index;
+ const char *ext;
aname = mono_assembly_remap_version (aname, &maped_aname);
-
- result = mono_assembly_loaded (aname);
+
+ /* Reflection only assemblies don't get assembly binding */
+ if (!refonly)
+ aname = mono_assembly_apply_binding (aname, &maped_name_pp);
+
+ result = mono_assembly_loaded_full (aname, refonly);
if (result)
return result;
- result = invoke_assembly_preload_hook (aname, assemblies_path);
+ result = refonly ? invoke_assembly_refonly_preload_hook (aname, assemblies_path) : invoke_assembly_preload_hook (aname, assemblies_path);
if (result) {
result->in_gac = FALSE;
return result;
}
- /* g_print ("loading %s\n", aname->name); */
- /* special case corlib */
- if (strcmp (aname->name, "mscorlib") == 0) {
- char *corlib_file;
- if (corlib) {
- /* g_print ("corlib already loaded\n"); */
- return corlib;
- }
- /* g_print ("corlib load\n"); */
- if (assemblies_path) {
- corlib = load_in_path ("mscorlib.dll", (const char**)assemblies_path, status);
- if (corlib)
- return corlib;
- }
- corlib = load_in_path ("mscorlib.dll", default_path, status);
-
- if (corlib)
- return corlib;
-
- /* Load corlib from mono/<version> */
-
- corlib_file = g_build_filename ("mono", mono_get_runtime_info ()->framework_version, "mscorlib.dll", NULL);
- if (assemblies_path) {
- corlib = load_in_path (corlib_file, (const char**)assemblies_path, status);
- if (corlib) {
- g_free (corlib_file);
- return corlib;
- }
- }
- corlib = load_in_path (corlib_file, default_path, status);
- g_free (corlib_file);
-
- return corlib;
+ /* Currently we retrieve the loaded corlib for reflection
+ * only requests, like a common reflection only assembly
+ */
+ if (strcmp (aname->name, "mscorlib") == 0 || strcmp (aname->name, "mscorlib.dll") == 0) {
+ return mono_assembly_load_corlib (mono_get_runtime_info (), status);
}
- if (strstr (aname->name, ".dll"))
- filename = g_strdup (aname->name);
- else
- filename = g_strconcat (aname->name, ".dll", NULL);
+ for (ext_index = 0; ext_index < 2; ext_index ++) {
+ ext = ext_index == 0 ? ".dll" : ".exe";
+ if (strstr (aname->name, ".dll"))
+ filename = g_strdup (aname->name);
+ else
+ filename = g_strconcat (aname->name, ext, NULL);
- result = mono_assembly_load_from_gac (aname, filename, status);
- if (result) {
- g_free (filename);
- return result;
- }
-
- if (basedir) {
- fullpath = g_build_filename (basedir, filename, NULL);
- result = mono_assembly_open (fullpath, status);
- g_free (fullpath);
+ result = mono_assembly_load_from_gac (aname, filename, status, refonly);
if (result) {
- result->in_gac = FALSE;
g_free (filename);
return result;
}
+
+ if (basedir) {
+ fullpath = g_build_filename (basedir, filename, NULL);
+ result = mono_assembly_open_full (fullpath, status, refonly);
+ g_free (fullpath);
+ if (result) {
+ result->in_gac = FALSE;
+ g_free (filename);
+ return result;
+ }
+ }
+
+ result = load_in_path (filename, default_path, status, refonly);
+ if (result)
+ result->in_gac = FALSE;
+ g_free (filename);
+ if (result)
+ return result;
}
- result = load_in_path (filename, default_path, status);
- if (result)
- result->in_gac = FALSE;
- g_free (filename);
+ /* Try a postload search hook */
+ result = mono_assembly_invoke_search_hook_internal (aname, refonly, TRUE);
+
return result;
}
MonoAssembly*
-mono_assembly_loaded (MonoAssemblyName *aname)
+mono_assembly_load (MonoAssemblyName *aname, const char *basedir, MonoImageOpenStatus *status)
+{
+ return mono_assembly_load_full (aname, basedir, status, FALSE);
+}
+
+MonoAssembly*
+mono_assembly_loaded_full (MonoAssemblyName *aname, gboolean refonly)
{
MonoAssembly *res;
MonoAssemblyName maped_aname;
aname = mono_assembly_remap_version (aname, &maped_aname);
- EnterCriticalSection (&assemblies_mutex);
- res = search_loaded (aname);
- LeaveCriticalSection (&assemblies_mutex);
+ mono_assemblies_lock ();
+ res = search_loaded (aname, refonly);
+ mono_assemblies_unlock ();
return res;
}
+MonoAssembly*
+mono_assembly_loaded (MonoAssemblyName *aname)
+{
+ return mono_assembly_loaded_full (aname, FALSE);
+}
+
+/**
+ * mono_assembly_close:
+ * @assembly: the assembly to release.
+ *
+ * This method releases a reference to the @assembly. The assembly is
+ * only released when all the outstanding references to it are released.
+ */
void
mono_assembly_close (MonoAssembly *assembly)
{
- MonoImage *image;
-
g_return_if_fail (assembly != NULL);
- EnterCriticalSection (&assemblies_mutex);
- /*g_print ("destroy assembly %p %d (%s)\n", assembly, assembly->ref_count, assembly->image->name);*/
- g_assert (assembly->ref_count > 0);
- if (--assembly->ref_count != 0) {
- LeaveCriticalSection (&assemblies_mutex);
+ if (InterlockedDecrement (&assembly->ref_count))
return;
- }
+
+ mono_assemblies_lock ();
loaded_assemblies = g_list_remove (loaded_assemblies, assembly);
- LeaveCriticalSection (&assemblies_mutex);
- image = assembly->image;
+ mono_assemblies_unlock ();
/* assemblies belong to domains, so the domain code takes care of unloading the
* referenced assemblies
*/
* We make a copy of the list to avoid calling the callback inside the
* lock, which could lead to deadlocks.
*/
- EnterCriticalSection (&assemblies_mutex);
+ mono_assemblies_lock ();
copy = g_list_copy (loaded_assemblies);
- LeaveCriticalSection (&assemblies_mutex);
+ mono_assemblies_unlock ();
g_list_foreach (loaded_assemblies, func, user_data);
return(main_assembly);
}
+/*
+ */
MonoImage*
mono_assembly_get_image (MonoAssembly *assembly)
{