/* * set_type_load_exception_type * * Set MONO_EXCEPTION_TYPE_LOAD on the specified 'class' and provide * a descriptive message for the exception. This message is also, * optionally, being logged (export MONO_LOG_MASK="security") for * debugging purposes. */ static void set_type_load_exception_type (const char *format, MonoClass *klass) { char *type_name = mono_type_get_full_name (klass); char *parent_name = mono_type_get_full_name (klass->parent); char *message = g_strdup_printf (format, type_name, parent_name); g_free (parent_name); g_free (type_name); mono_trace (G_LOG_LEVEL_WARNING, MONO_TRACE_SECURITY, message); mono_class_set_failure (klass, MONO_EXCEPTION_TYPE_LOAD, message); // note: do not free string given to mono_class_set_failure }
/* * set_type_load_exception_type * * Set MONO_EXCEPTION_TYPE_LOAD on the specified 'class' and provide * a descriptive message for the exception. This message is also, * optionally, being logged (export MONO_LOG_MASK="security") for * debugging purposes. */ static void set_type_load_exception_type (const char *format, MonoClass *klass) { char *type_name = mono_type_get_full_name (klass); char *parent_name = mono_type_get_full_name (m_class_get_parent (klass)); char *message = mono_image_strdup_printf (m_class_get_image (klass), format, type_name, parent_name); g_free (parent_name); g_free (type_name); mono_trace (G_LOG_LEVEL_WARNING, MONO_TRACE_SECURITY, "%s", message); mono_class_set_type_load_failure (klass, "%s", message); // note: do not free string given to mono_class_set_failure }
/*Can fail with out-of-memory*/ MonoException* mono_error_prepare_exception (MonoError *oerror, MonoError *error_out) { MonoErrorInternal *error = (MonoErrorInternal*)oerror; MonoException* exception = NULL; MonoString *assembly_name = NULL, *type_name = NULL, *method_name = NULL, *field_name = NULL, *msg = NULL; MonoDomain *domain = mono_domain_get (); mono_error_init (error_out); switch (error->error_code) { case MONO_ERROR_NONE: return NULL; case MONO_ERROR_MISSING_METHOD: if ((error->type_name || error->exn.klass) && error->member_name) { type_name = get_type_name_as_mono_string (error, domain, error_out); if (!mono_error_ok (error_out)) break; method_name = mono_string_new (domain, error->member_name); if (!method_name) { mono_error_set_out_of_memory (error_out, "Could not allocate method name"); break; } exception = mono_exception_from_name_two_strings_checked (mono_defaults.corlib, "System", "MissingMethodException", type_name, method_name, error_out); if (exception) set_message_on_exception (exception, error, error_out); } else { exception = mono_exception_from_name_msg (mono_defaults.corlib, "System", "MissingMethodException", error->full_message); } break; case MONO_ERROR_MISSING_FIELD: if ((error->type_name || error->exn.klass) && error->member_name) { type_name = get_type_name_as_mono_string (error, domain, error_out); if (!mono_error_ok (error_out)) break; field_name = mono_string_new (domain, error->member_name); if (!field_name) { mono_error_set_out_of_memory (error_out, "Could not allocate field name"); break; } exception = mono_exception_from_name_two_strings_checked (mono_defaults.corlib, "System", "MissingFieldException", type_name, field_name, error_out); if (exception) set_message_on_exception (exception, error, error_out); } else { exception = mono_exception_from_name_msg (mono_defaults.corlib, "System", "MissingFieldException", error->full_message); } break; case MONO_ERROR_TYPE_LOAD: if ((error->type_name && error->assembly_name) || error->exn.klass) { type_name = get_type_name_as_mono_string (error, domain, error_out); if (!mono_error_ok (error_out)) break; if (error->assembly_name) { assembly_name = mono_string_new (domain, error->assembly_name); if (!assembly_name) { mono_error_set_out_of_memory (error_out, "Could not allocate assembly name"); break; } } exception = mono_exception_from_name_two_strings_checked (mono_get_corlib (), "System", "TypeLoadException", type_name, assembly_name, error_out); if (exception) set_message_on_exception (exception, error, error_out); } else { exception = mono_exception_from_name_msg (mono_defaults.corlib, "System", "TypeLoadException", error->full_message); } break; case MONO_ERROR_FILE_NOT_FOUND: case MONO_ERROR_BAD_IMAGE: if (error->assembly_name) { msg = mono_string_new (domain, error->full_message); if (!msg) { mono_error_set_out_of_memory (error_out, "Could not allocate message"); break; } if (error->assembly_name) { assembly_name = mono_string_new (domain, error->assembly_name); if (!assembly_name) { mono_error_set_out_of_memory (error_out, "Could not allocate assembly name"); break; } } if (error->error_code == MONO_ERROR_FILE_NOT_FOUND) exception = mono_exception_from_name_two_strings_checked (mono_get_corlib (), "System.IO", "FileNotFoundException", msg, assembly_name, error_out); else exception = mono_exception_from_name_two_strings_checked (mono_defaults.corlib, "System", "BadImageFormatException", msg, assembly_name, error_out); } else { if (error->error_code == MONO_ERROR_FILE_NOT_FOUND) exception = mono_exception_from_name_msg (mono_get_corlib (), "System.IO", "FileNotFoundException", error->full_message); else exception = mono_exception_from_name_msg (mono_defaults.corlib, "System", "BadImageFormatException", error->full_message); } break; case MONO_ERROR_OUT_OF_MEMORY: exception = mono_get_exception_out_of_memory (); break; case MONO_ERROR_ARGUMENT: exception = mono_get_exception_argument (error->first_argument, error->full_message); break; case MONO_ERROR_ARGUMENT_NULL: exception = mono_get_exception_argument_null (error->first_argument); break; case MONO_ERROR_NOT_VERIFIABLE: { char *type_name = NULL, *message; if (error->exn.klass) { type_name = mono_type_get_full_name (error->exn.klass); if (!type_name) { mono_error_set_out_of_memory (error_out, "Could not allocate message"); break; } } message = g_strdup_printf ("Error in %s:%s %s", type_name, error->member_name, error->full_message); if (!message) { g_free (type_name); mono_error_set_out_of_memory (error_out, "Could not allocate message"); break; } exception = mono_exception_from_name_msg (mono_defaults.corlib, "System.Security", "VerificationException", message); g_free (message); g_free (type_name); break; } case MONO_ERROR_GENERIC: if (!error->exception_name_space || !error->exception_name) mono_error_set_execution_engine (error_out, "MonoError with generic error but no exception name was supplied"); else exception = mono_exception_from_name_msg (mono_defaults.corlib, error->exception_name_space, error->exception_name, error->full_message); break; case MONO_ERROR_EXCEPTION_INSTANCE: exception = (MonoException*) mono_gchandle_get_target (error->exn.instance_handle); break; case MONO_ERROR_CLEANUP_CALLED_SENTINEL: mono_error_set_execution_engine (error_out, "MonoError reused after mono_error_cleanup"); break; case MONO_ERROR_INVALID_PROGRAM: { gboolean lacks_message = error->flags & MONO_ERROR_INCOMPLETE; if (lacks_message) return mono_exception_from_name_msg (mono_defaults.corlib, "System", "InvalidProgramException", ""); else return mono_exception_from_name_msg (mono_defaults.corlib, "System", "InvalidProgramException", error->full_message); } default: mono_error_set_execution_engine (error_out, "Invalid error-code %d", error->error_code); } if (!mono_error_ok (error_out)) return NULL; if (!exception) mono_error_set_out_of_memory (error_out, "Could not allocate exception object"); return exception; }
/*Can fail with out-of-memory*/ MonoException* mono_error_prepare_exception (MonoError *oerror, MonoError *error_out) { HANDLE_FUNCTION_ENTER (); MonoErrorInternal *error = (MonoErrorInternal*)oerror; MonoExceptionHandle exception = MONO_HANDLE_CAST (MonoException, mono_new_null ()); MonoDomain *domain = mono_domain_get (); char *type_name = NULL; char *message = NULL; error_init (error_out); const guint16 error_code = error->error_code; g_assert (error_code != MONO_ERROR_CLEANUP_CALLED_SENTINEL); switch (error_code) { case MONO_ERROR_NONE: goto exit; case MONO_ERROR_MISSING_METHOD: exception = mono_corlib_exception_new_with_args ("System", "MissingMethodException", error->full_message, error->first_argument, error_out); break; case MONO_ERROR_BAD_IMAGE: exception = mono_corlib_exception_new_with_args ("System", "BadImageFormatException", error->full_message, error->first_argument, error_out); break; case MONO_ERROR_FILE_NOT_FOUND: exception = mono_corlib_exception_new_with_args ("System.IO", "FileNotFoundException", error->full_message, error->first_argument, error_out); break; case MONO_ERROR_MISSING_FIELD: exception = mono_corlib_exception_new_with_args ("System", "MissingFieldException", error->full_message, error->first_argument, error_out); break; case MONO_ERROR_MEMBER_ACCESS: exception = mono_exception_new_by_name_msg (mono_defaults.corlib, "System", "MemberAccessException", error->full_message, error_out); break; case MONO_ERROR_TYPE_LOAD: { MonoStringHandle assembly_name; MonoStringHandle type_name; if ((error->type_name && error->assembly_name) || error->exn.klass) { type_name = get_type_name_as_mono_string (error, domain, error_out); if (!mono_error_ok (error_out)) break; if (error->assembly_name) { assembly_name = string_new_cleanup (domain, error->assembly_name); if (MONO_HANDLE_IS_NULL (assembly_name)) { mono_error_set_out_of_memory (error_out, "Could not allocate assembly name"); break; } } else { assembly_name = mono_string_empty_handle (domain); } exception = mono_exception_from_name_two_strings_checked (mono_get_corlib (), "System", "TypeLoadException", type_name, assembly_name, error_out); if (!MONO_HANDLE_IS_NULL (exception)) { const char *full_message = error->full_message; if (full_message && full_message [0]) { MonoStringHandle msg = string_new_cleanup (mono_domain_get (), full_message); if (!MONO_HANDLE_IS_NULL (msg)) MONO_HANDLE_SET (exception, message, msg); else mono_error_set_out_of_memory (error_out, "Could not allocate exception object"); } } } else { exception = mono_exception_new_by_name_msg (mono_defaults.corlib, "System", "TypeLoadException", error->full_message, error_out); } } break; case MONO_ERROR_OUT_OF_MEMORY: if (domain) exception = MONO_HANDLE_NEW (MonoException, domain->out_of_memory_ex); if (MONO_HANDLE_IS_NULL (exception)) exception = mono_get_exception_out_of_memory_handle (); break; case MONO_ERROR_ARGUMENT: exception = mono_exception_new_argument (error->first_argument, error->full_message, error_out); break; case MONO_ERROR_ARGUMENT_NULL: exception = mono_exception_new_argument_null (error->first_argument, error_out); break; case MONO_ERROR_ARGUMENT_OUT_OF_RANGE: exception = mono_exception_new_argument_out_of_range(error->first_argument, error->full_message, error_out); break; case MONO_ERROR_NOT_VERIFIABLE: if (error->exn.klass) { type_name = mono_type_get_full_name (error->exn.klass); if (!type_name) goto out_of_memory; } message = g_strdup_printf ("Error in %s:%s %s", type_name, error->member_name, error->full_message); if (!message) goto out_of_memory; exception = mono_exception_new_by_name_msg (mono_defaults.corlib, "System.Security", "VerificationException", message, error_out); break; case MONO_ERROR_GENERIC: if (!error->exception_name_space || !error->exception_name) mono_error_set_execution_engine (error_out, "MonoError with generic error but no exception name was supplied"); else exception = mono_exception_new_by_name_msg (mono_defaults.corlib, error->exception_name_space, error->exception_name, error->full_message, error_out); break; case MONO_ERROR_EXCEPTION_INSTANCE: exception = MONO_HANDLE_CAST (MonoException, mono_gchandle_get_target_handle (error->exn.instance_handle)); break; case MONO_ERROR_CLEANUP_CALLED_SENTINEL: mono_error_set_execution_engine (error_out, "MonoError reused after mono_error_cleanup"); break; case MONO_ERROR_INVALID_PROGRAM: exception = mono_exception_new_by_name_msg (mono_defaults.corlib, "System", "InvalidProgramException", (error->flags & MONO_ERROR_INCOMPLETE) ? "" : error->full_message, error_out); break; default: mono_error_set_execution_engine (error_out, "Invalid error-code %d", error->error_code); } if (!mono_error_ok (error_out)) goto return_null; if (MONO_HANDLE_IS_NULL (exception)) mono_error_set_out_of_memory (error_out, "Could not allocate exception object"); goto exit; out_of_memory: mono_error_set_out_of_memory (error_out, "Could not allocate message"); goto exit; return_null: exception = MONO_HANDLE_CAST (MonoException, mono_new_null ()); exit: g_free (message); g_free (type_name); HANDLE_FUNCTION_RETURN_OBJ (exception); }
/*Can fail with out-of-memory*/ MonoException* mono_error_prepare_exception (MonoError *oerror, MonoError *error_out) { MonoErrorInternal *error = (MonoErrorInternal*)oerror; MonoException* exception = NULL; MonoString *assembly_name = NULL, *type_name = NULL, *method_name = NULL, *field_name = NULL, *msg = NULL; MonoDomain *domain = mono_domain_get (); mono_error_init (error_out); switch (error->error_code) { case MONO_ERROR_NONE: return NULL; case MONO_ERROR_MISSING_METHOD: if ((error->type_name || error->klass) && error->member_name) { type_name = get_type_name_as_mono_string (error, domain, error_out); if (!mono_error_ok (error_out)) break; method_name = mono_string_new (domain, error->member_name); if (!method_name) { mono_error_set_out_of_memory (error_out, "Could not allocate method name"); break; } exception = mono_exception_from_name_two_strings (mono_defaults.corlib, "System", "MissingMethodException", type_name, method_name); if (exception) set_message_on_exception (exception, error, error_out); } else { exception = mono_exception_from_name_msg (mono_defaults.corlib, "System", "MissingMethodException", mono_internal_error_get_message (error)); } break; case MONO_ERROR_MISSING_FIELD: if ((error->type_name || error->klass) && error->member_name) { type_name = get_type_name_as_mono_string (error, domain, error_out); if (!mono_error_ok (error_out)) break; field_name = mono_string_new (domain, error->member_name); if (!field_name) { mono_error_set_out_of_memory (error_out, "Could not allocate field name"); break; } exception = mono_exception_from_name_two_strings (mono_defaults.corlib, "System", "MissingFieldException", type_name, field_name); if (exception) set_message_on_exception (exception, error, error_out); } else { exception = mono_exception_from_name_msg (mono_defaults.corlib, "System", "MissingFieldException", mono_internal_error_get_message (error)); } break; case MONO_ERROR_TYPE_LOAD: if (error->type_name || error->assembly_name) { type_name = get_type_name_as_mono_string (error, domain, error_out); if (!mono_error_ok (error_out)) break; if (error->assembly_name) { assembly_name = mono_string_new (domain, error->assembly_name); if (!assembly_name) { mono_error_set_out_of_memory (error_out, "Could not allocate assembly name"); break; } } exception = mono_exception_from_name_two_strings (mono_get_corlib (), "System", "TypeLoadException", type_name, assembly_name); if (exception) set_message_on_exception (exception, error, error_out); } else { exception = mono_exception_from_name_msg (mono_defaults.corlib, "System", "TypeLoadException", mono_internal_error_get_message (error)); } break; case MONO_ERROR_FILE_NOT_FOUND: case MONO_ERROR_BAD_IMAGE: if (error->assembly_name) { msg = mono_string_new (domain, mono_internal_error_get_message (error)); if (!msg) { mono_error_set_out_of_memory (error_out, "Could not allocate message"); break; } if (error->assembly_name) { assembly_name = mono_string_new (domain, error->assembly_name); if (!assembly_name) { mono_error_set_out_of_memory (error_out, "Could not allocate assembly name"); break; } } if (error->error_code == MONO_ERROR_FILE_NOT_FOUND) exception = mono_exception_from_name_two_strings (mono_get_corlib (), "System.IO", "FileNotFoundException", msg, assembly_name); else exception = mono_exception_from_name_two_strings (mono_defaults.corlib, "System", "BadImageFormatException", msg, assembly_name); } else { if (error->error_code == MONO_ERROR_FILE_NOT_FOUND) exception = mono_exception_from_name_msg (mono_get_corlib (), "System.IO", "FileNotFoundException", mono_internal_error_get_message (error)); else exception = mono_exception_from_name_msg (mono_defaults.corlib, "System", "BadImageFormatException", mono_internal_error_get_message (error)); } break; case MONO_ERROR_OUT_OF_MEMORY: exception = mono_get_exception_out_of_memory (); break; case MONO_ERROR_ARGUMENT: exception = mono_get_exception_argument (error->type_name, mono_internal_error_get_message (error)); break; case MONO_ERROR_NOT_VERIFIABLE: { char *type_name = NULL, *message; if (error->klass) { type_name = mono_type_get_full_name (error->klass); if (!type_name) { mono_error_set_out_of_memory (error_out, "Could not allocate message"); break; } } message = g_strdup_printf ("Error in %s:%s %s", type_name, error->member_name, mono_internal_error_get_message (error)); if (!message) { g_free (type_name); mono_error_set_out_of_memory (error_out, "Could not allocate message"); break; } exception = mono_exception_from_name_msg (mono_defaults.corlib, "System.Security", "VerificationException", message); g_free (message); g_free (type_name); break; } case MONO_ERROR_GENERIC: if (!error->exception_name_space || !error->exception_name) mono_error_set_generic_error (error_out, "System", "ExecutionEngineException", "MonoError with generic error but no exception name was supplied"); else exception = mono_exception_from_name_msg (mono_defaults.corlib, error->exception_name_space, error->exception_name, mono_internal_error_get_message (error)); break; default: mono_error_set_generic_error (error_out, "System", "ExecutionEngineException", "Invalid error-code %d", error->error_code); } if (!mono_error_ok (error_out)) return NULL; if (!exception) mono_error_set_out_of_memory (error_out, "Could not allocate exception object"); return exception; }