mirror of
https://github.com/trezor/trezor-firmware.git
synced 2024-12-22 14:28:07 +00:00
269 lines
9.8 KiB
C
269 lines
9.8 KiB
C
/*
|
|
* This file is part of the TREZOR project, https://trezor.io/
|
|
*
|
|
* Copyright (c) SatoshiLabs
|
|
*
|
|
* This program is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation, either version 3 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
void mp_hal_set_vcp_iface(int iface_num);
|
|
|
|
enum {
|
|
USB_CLOSED = 0,
|
|
USB_OPENED = 1,
|
|
};
|
|
|
|
/// class USB:
|
|
/// '''
|
|
/// USB device configuration.
|
|
/// '''
|
|
typedef struct _mp_obj_USB_t {
|
|
mp_obj_base_t base;
|
|
mp_obj_list_t ifaces;
|
|
usb_dev_info_t info;
|
|
mp_int_t state;
|
|
} mp_obj_USB_t;
|
|
|
|
static const char *get_0str(mp_obj_t o, size_t min_len, size_t max_len) {
|
|
size_t len;
|
|
const char *s = mp_obj_str_get_data(o, &len);
|
|
if ((len >= min_len) && (len <= max_len)) {
|
|
if (len == 0 && s == NULL) {
|
|
return "";
|
|
} else {
|
|
return s;
|
|
}
|
|
} else {
|
|
return NULL;
|
|
}
|
|
}
|
|
|
|
/// def __init__(self,
|
|
/// device_class: int=0,
|
|
/// device_subclass: int=0,
|
|
/// device_protocol: int=0,
|
|
/// vendor_id: int,
|
|
/// product_id: int,
|
|
/// release_num: int,
|
|
/// manufacturer: str='',
|
|
/// product: str='',
|
|
/// serial_number: str='',
|
|
/// interface: str='',
|
|
/// usb21_enabled: bool=True,
|
|
/// usb21_landing: bool=True) -> None:
|
|
/// '''
|
|
/// '''
|
|
STATIC mp_obj_t mod_trezorio_USB_make_new(const mp_obj_type_t *type, size_t n_args, size_t n_kw, const mp_obj_t *args) {
|
|
|
|
STATIC const mp_arg_t allowed_args[] = {
|
|
{ MP_QSTR_device_class, MP_ARG_KW_ONLY | MP_ARG_INT, {.u_int = 0} },
|
|
{ MP_QSTR_device_subclass, MP_ARG_KW_ONLY | MP_ARG_INT, {.u_int = 0} },
|
|
{ MP_QSTR_device_protocol, MP_ARG_KW_ONLY | MP_ARG_INT, {.u_int = 0} },
|
|
{ MP_QSTR_vendor_id, MP_ARG_REQUIRED | MP_ARG_KW_ONLY | MP_ARG_INT, {.u_int = 0} },
|
|
{ MP_QSTR_product_id, MP_ARG_REQUIRED | MP_ARG_KW_ONLY | MP_ARG_INT, {.u_int = 0} },
|
|
{ MP_QSTR_release_num, MP_ARG_REQUIRED | MP_ARG_KW_ONLY | MP_ARG_INT, {.u_int = 0} },
|
|
{ MP_QSTR_manufacturer, MP_ARG_KW_ONLY | MP_ARG_OBJ, {.u_obj = mp_const_empty_bytes} },
|
|
{ MP_QSTR_product, MP_ARG_KW_ONLY | MP_ARG_OBJ, {.u_obj = mp_const_empty_bytes} },
|
|
{ MP_QSTR_serial_number, MP_ARG_KW_ONLY | MP_ARG_OBJ, {.u_obj = mp_const_empty_bytes} },
|
|
{ MP_QSTR_interface, MP_ARG_KW_ONLY | MP_ARG_OBJ, {.u_obj = mp_const_empty_bytes} },
|
|
{ MP_QSTR_usb21_enabled, MP_ARG_KW_ONLY | MP_ARG_BOOL, {.u_bool = true} },
|
|
{ MP_QSTR_usb21_landing, MP_ARG_KW_ONLY | MP_ARG_BOOL, {.u_bool = true} },
|
|
};
|
|
mp_arg_val_t vals[MP_ARRAY_SIZE(allowed_args)];
|
|
mp_arg_parse_all_kw_array(n_args, n_kw, args, MP_ARRAY_SIZE(allowed_args), allowed_args, vals);
|
|
|
|
const mp_int_t device_class = vals[0].u_int;
|
|
const mp_int_t device_subclass = vals[1].u_int;
|
|
const mp_int_t device_protocol = vals[2].u_int;
|
|
const mp_int_t vendor_id = vals[3].u_int;
|
|
const mp_int_t product_id = vals[4].u_int;
|
|
const mp_int_t release_num = vals[5].u_int;
|
|
const char *manufacturer = get_0str(vals[6].u_obj, 0, 32);
|
|
const char *product = get_0str(vals[7].u_obj, 0, 32);
|
|
const char *serial_number = get_0str(vals[8].u_obj, 0, 32);
|
|
const char *interface = get_0str(vals[9].u_obj, 0, 32);
|
|
const secbool usb21_enabled = vals[10].u_bool ? sectrue : secfalse;
|
|
const secbool usb21_landing = vals[11].u_bool ? sectrue : secfalse;
|
|
|
|
CHECK_PARAM_RANGE(device_class, 0, 255)
|
|
CHECK_PARAM_RANGE(device_subclass, 0, 255)
|
|
CHECK_PARAM_RANGE(device_protocol, 0, 255)
|
|
CHECK_PARAM_RANGE(vendor_id, 0, 65535)
|
|
CHECK_PARAM_RANGE(product_id, 0, 65535)
|
|
CHECK_PARAM_RANGE(release_num, 0, 65535)
|
|
if (manufacturer == NULL) {
|
|
mp_raise_ValueError("manufacturer is invalid");
|
|
}
|
|
if (product == NULL) {
|
|
mp_raise_ValueError("product is invalid");
|
|
}
|
|
if (serial_number == NULL) {
|
|
mp_raise_ValueError("serial_number is invalid");
|
|
}
|
|
if (interface == NULL) {
|
|
mp_raise_ValueError("interface is invalid");
|
|
}
|
|
|
|
mp_obj_USB_t *o = m_new_obj(mp_obj_USB_t);
|
|
o->base.type = type;
|
|
|
|
o->state = USB_CLOSED;
|
|
|
|
o->info.device_class = (uint8_t)(device_class);
|
|
o->info.device_subclass = (uint8_t)(device_subclass);
|
|
o->info.device_protocol = (uint8_t)(device_protocol);
|
|
o->info.vendor_id = (uint16_t)(vendor_id);
|
|
o->info.product_id = (uint16_t)(product_id);
|
|
o->info.release_num = (uint16_t)(release_num);
|
|
o->info.manufacturer = manufacturer;
|
|
o->info.product = product;
|
|
o->info.serial_number = serial_number;
|
|
o->info.interface = interface;
|
|
o->info.usb21_enabled = usb21_enabled;
|
|
o->info.usb21_landing = usb21_landing;
|
|
|
|
mp_obj_list_init(&o->ifaces, 0);
|
|
|
|
return MP_OBJ_FROM_PTR(o);
|
|
}
|
|
|
|
/// def add(self, iface: Union[HID, VCP, WebUSB]) -> None:
|
|
/// '''
|
|
/// Registers passed interface into the USB stack.
|
|
/// '''
|
|
STATIC mp_obj_t mod_trezorio_USB_add(mp_obj_t self, mp_obj_t iface) {
|
|
mp_obj_USB_t *o = MP_OBJ_TO_PTR(self);
|
|
|
|
if (o->state != USB_CLOSED) {
|
|
mp_raise_msg(&mp_type_RuntimeError, "already initialized");
|
|
}
|
|
mp_obj_list_append(MP_OBJ_FROM_PTR(&o->ifaces), iface);
|
|
|
|
return mp_const_none;
|
|
}
|
|
STATIC MP_DEFINE_CONST_FUN_OBJ_2(mod_trezorio_USB_add_obj, mod_trezorio_USB_add);
|
|
|
|
/// def open(self) -> None:
|
|
/// '''
|
|
/// Initializes the USB stack.
|
|
/// '''
|
|
STATIC mp_obj_t mod_trezorio_USB_open(mp_obj_t self) {
|
|
mp_obj_USB_t *o = MP_OBJ_TO_PTR(self);
|
|
|
|
if (o->state != USB_CLOSED) {
|
|
mp_raise_msg(&mp_type_RuntimeError, "already initialized");
|
|
}
|
|
|
|
size_t iface_cnt;
|
|
mp_obj_t *iface_objs;
|
|
mp_obj_get_array(MP_OBJ_FROM_PTR(&o->ifaces), &iface_cnt, &iface_objs);
|
|
|
|
// Initialize the USB stack
|
|
usb_init(&o->info);
|
|
|
|
int vcp_iface_num = -1;
|
|
|
|
// Add all interfaces
|
|
for (size_t i = 0; i < iface_cnt; i++) {
|
|
mp_obj_t iface = iface_objs[i];
|
|
|
|
if (MP_OBJ_IS_TYPE(iface, &mod_trezorio_HID_type)) {
|
|
mp_obj_HID_t *hid = MP_OBJ_TO_PTR(iface);
|
|
if (sectrue != usb_hid_add(&hid->info)) {
|
|
usb_deinit();
|
|
mp_raise_msg(&mp_type_RuntimeError, "failed to add HID interface");
|
|
}
|
|
} else if (MP_OBJ_IS_TYPE(iface, &mod_trezorio_WebUSB_type)) {
|
|
mp_obj_WebUSB_t *webusb = MP_OBJ_TO_PTR(iface);
|
|
if (sectrue != usb_webusb_add(&webusb->info)) {
|
|
usb_deinit();
|
|
mp_raise_msg(&mp_type_RuntimeError, "failed to add WebUSB interface");
|
|
}
|
|
} else if (MP_OBJ_IS_TYPE(iface, &mod_trezorio_VCP_type)) {
|
|
mp_obj_VCP_t *vcp = MP_OBJ_TO_PTR(iface);
|
|
if (sectrue != usb_vcp_add(&vcp->info)) {
|
|
usb_deinit();
|
|
mp_raise_msg(&mp_type_RuntimeError, "failed to add VCP interface");
|
|
}
|
|
vcp_iface_num = vcp->info.iface_num;
|
|
} else {
|
|
usb_deinit();
|
|
mp_raise_TypeError("expected HID, WebUSB or VCP type");
|
|
}
|
|
}
|
|
|
|
// Start the USB stack
|
|
usb_start();
|
|
o->state = USB_OPENED;
|
|
|
|
// If we found any VCP interfaces, use the last one for stdio,
|
|
// otherwise disable the stdio support
|
|
mp_hal_set_vcp_iface(vcp_iface_num);
|
|
|
|
return mp_const_none;
|
|
}
|
|
STATIC MP_DEFINE_CONST_FUN_OBJ_1(mod_trezorio_USB_open_obj, mod_trezorio_USB_open);
|
|
|
|
/// def close(self) -> None:
|
|
/// '''
|
|
/// Cleans up the USB stack.
|
|
/// '''
|
|
STATIC mp_obj_t mod_trezorio_USB_close(mp_obj_t self) {
|
|
mp_obj_USB_t *o = MP_OBJ_TO_PTR(self);
|
|
|
|
if (o->state != USB_OPENED) {
|
|
mp_raise_msg(&mp_type_RuntimeError, "not initialized");
|
|
}
|
|
usb_stop();
|
|
usb_deinit();
|
|
mp_obj_list_set_len(MP_OBJ_FROM_PTR(&o->ifaces), 0);
|
|
mp_seq_clear(o->ifaces.items, 0, o->ifaces.alloc, sizeof(*o->ifaces.items));
|
|
o->info.vendor_id = 0;
|
|
o->info.product_id = 0;
|
|
o->info.release_num = 0;
|
|
o->info.manufacturer = NULL;
|
|
o->info.product = NULL;
|
|
o->info.serial_number = NULL;
|
|
o->state = USB_CLOSED;
|
|
|
|
return mp_const_none;
|
|
}
|
|
STATIC MP_DEFINE_CONST_FUN_OBJ_1(mod_trezorio_USB_close_obj, mod_trezorio_USB_close);
|
|
|
|
STATIC mp_obj_t mod_trezorio_USB___del__(mp_obj_t self) {
|
|
mp_obj_USB_t *o = MP_OBJ_TO_PTR(self);
|
|
if (o->state != USB_CLOSED) {
|
|
usb_stop();
|
|
usb_deinit();
|
|
o->state = USB_CLOSED;
|
|
}
|
|
return mp_const_none;
|
|
}
|
|
STATIC MP_DEFINE_CONST_FUN_OBJ_1(mod_trezorio_USB___del___obj, mod_trezorio_USB___del__);
|
|
|
|
STATIC const mp_rom_map_elem_t mod_trezorio_USB_locals_dict_table[] = {
|
|
{ MP_ROM_QSTR(MP_QSTR_add), MP_ROM_PTR(&mod_trezorio_USB_add_obj) },
|
|
{ MP_ROM_QSTR(MP_QSTR_open), MP_ROM_PTR(&mod_trezorio_USB_open_obj) },
|
|
{ MP_ROM_QSTR(MP_QSTR_close), MP_ROM_PTR(&mod_trezorio_USB_close_obj) },
|
|
{ MP_ROM_QSTR(MP_QSTR___del__), MP_ROM_PTR(&mod_trezorio_USB___del___obj) },
|
|
};
|
|
STATIC MP_DEFINE_CONST_DICT(mod_trezorio_USB_locals_dict, mod_trezorio_USB_locals_dict_table);
|
|
|
|
STATIC const mp_obj_type_t mod_trezorio_USB_type = {
|
|
{ &mp_type_type },
|
|
.name = MP_QSTR_USB,
|
|
.make_new = mod_trezorio_USB_make_new,
|
|
.locals_dict = (void*)&mod_trezorio_USB_locals_dict,
|
|
};
|