mirror of
https://github.com/trezor/trezor-firmware.git
synced 2024-12-30 10:08:18 +00:00
103 lines
3.4 KiB
C
103 lines
3.4 KiB
C
/*
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* Copyright (c) Pavol Rusnak, SatoshiLabs
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*
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* Licensed under TREZOR License
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* see LICENSE file for details
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*/
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#include <stdio.h>
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#include <string.h>
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#include <stdint.h>
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#include "py/nlr.h"
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#include "py/runtime.h"
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#include "py/binary.h"
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#include "py/objstr.h"
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#if MICROPY_PY_TREZORCONFIG
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// temporary function stubs from norcow
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void norcow_init(void) { }
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bool norcow_get(uint16_t key, const void **val, uint32_t *len) { *val = "Works!"; *len = 6; return true; }
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bool norcow_set(uint16_t key, const void *val, uint32_t len) { return true; }
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// end
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typedef struct _mp_obj_Config_t {
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mp_obj_base_t base;
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} mp_obj_Config_t;
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STATIC mp_obj_t mod_TrezorConfig_Config_make_new(const mp_obj_type_t *type, size_t n_args, size_t n_kw, const mp_obj_t *args) {
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mp_arg_check_num(n_args, n_kw, 0, 0, false);
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mp_obj_Config_t *o = m_new_obj(mp_obj_Config_t);
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o->base.type = type;
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norcow_init();
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return MP_OBJ_FROM_PTR(o);
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}
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/// def trezor.config.get(app: int, key: int) -> bytes:
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/// '''
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/// Gets a value of given key for given app (or None if not set).
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/// '''
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STATIC mp_obj_t mod_TrezorConfig_Config_get(mp_obj_t self, mp_obj_t app, mp_obj_t key) {
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uint8_t a = mp_obj_get_int(app);
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uint8_t k = mp_obj_get_int(key);
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uint16_t appkey = a << 8 | k;
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const void *val;
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uint32_t len;
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bool r = norcow_get(appkey, &val, &len);
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if (!r) return mp_const_none;
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vstr_t vstr;
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vstr_init_len(&vstr, len);
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memcpy(vstr.buf, val, len);
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return mp_obj_new_str_from_vstr(&mp_type_bytes, &vstr);
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_3(mod_TrezorConfig_Config_get_obj, mod_TrezorConfig_Config_get);
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/// def trezor.config.set(app: int, key: int, value: bytes) -> None:
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/// '''
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/// Sets a value of given key for given app.
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/// Returns True on success.
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/// '''
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STATIC mp_obj_t mod_TrezorConfig_Config_set(size_t n_args, const mp_obj_t *args) {
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uint8_t a = mp_obj_get_int(args[1]);
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uint8_t k = mp_obj_get_int(args[2]);
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uint16_t appkey = a << 8 | k;
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mp_buffer_info_t value;
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mp_get_buffer_raise(args[3], &value, MP_BUFFER_READ);
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bool r = norcow_set(appkey, value.buf, value.len);
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if (!r) {
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mp_raise_ValueError("Could not save value");
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}
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return mp_const_none;
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(mod_TrezorConfig_Config_set_obj, 4, 4, mod_TrezorConfig_Config_set);
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STATIC const mp_rom_map_elem_t mod_TrezorConfig_Config_locals_dict_table[] = {
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{ MP_ROM_QSTR(MP_QSTR_get), MP_ROM_PTR(&mod_TrezorConfig_Config_get_obj) },
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{ MP_ROM_QSTR(MP_QSTR_set), MP_ROM_PTR(&mod_TrezorConfig_Config_set_obj) },
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};
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STATIC MP_DEFINE_CONST_DICT(mod_TrezorConfig_Config_locals_dict, mod_TrezorConfig_Config_locals_dict_table);
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STATIC const mp_obj_type_t mod_TrezorConfig_Config_type = {
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{ &mp_type_type },
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.name = MP_QSTR_Config,
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.make_new = mod_TrezorConfig_Config_make_new,
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.locals_dict = (void*)&mod_TrezorConfig_Config_locals_dict,
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};
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STATIC const mp_rom_map_elem_t mp_module_TrezorConfig_globals_table[] = {
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{ MP_ROM_QSTR(MP_QSTR___name__), MP_ROM_QSTR(MP_QSTR_TrezorConfig) },
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{ MP_ROM_QSTR(MP_QSTR_Config), MP_ROM_PTR(&mod_TrezorConfig_Config_type) },
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};
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STATIC MP_DEFINE_CONST_DICT(mp_module_TrezorConfig_globals, mp_module_TrezorConfig_globals_table);
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const mp_obj_module_t mp_module_TrezorConfig = {
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.base = { &mp_type_module },
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.globals = (mp_obj_dict_t*)&mp_module_TrezorConfig_globals,
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};
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#endif // MICROPY_PY_TREZORCONFIG
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