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fix check of usb_hid.Device out_report_length

This commit is contained in:
Dan Halbert 2021-05-27 21:29:38 -04:00
parent 6e71f6099f
commit e7f82f864a
2 changed files with 14 additions and 9 deletions
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6
locale/circuitpython.pot
View File

@ -87,6 +87,10 @@ msgstr ""
msgid "%q list must be a list"
msgstr ""
#: shared-bindings/usb_hid/Device.c
msgid "%q must be 0-255"
msgstr ""
#: shared-bindings/usb_hid/Device.c
msgid "%q must be 1-255"
msgstr ""
@ -104,7 +108,7 @@ msgid "%q must be >= 1"
msgstr ""
#: shared-bindings/usb_hid/Device.c
msgid "%q must be None or 1-255"
msgid "%q must be None or between 1 and len(report_descriptor)-1"
msgstr ""
#: shared-module/vectorio/Polygon.c

17
shared-bindings/usb_hid/Device.c
View File

@ -69,16 +69,16 @@ STATIC mp_obj_t usb_hid_device_make_new(const mp_obj_type_t *type, size_t n_args
{ MP_QSTR_usage_page, MP_ARG_KW_ONLY | MP_ARG_REQUIRED | MP_ARG_INT },
{ MP_QSTR_usage, MP_ARG_KW_ONLY | MP_ARG_REQUIRED | MP_ARG_INT },
{ MP_QSTR_in_report_length, MP_ARG_KW_ONLY | MP_ARG_REQUIRED | MP_ARG_INT },
{ MP_QSTR_out_report_length, MP_ARG_KW_ONLY | MP_ARG_OBJ, {.u_int = 0 } },
{ MP_QSTR_out_report_length, MP_ARG_KW_ONLY | MP_ARG_INT, {.u_int = 0 } },
{ MP_QSTR_report_id_index, MP_ARG_KW_ONLY | MP_ARG_REQUIRED | MP_ARG_OBJ, {.u_obj = mp_const_none } },
};
mp_arg_val_t args[MP_ARRAY_SIZE(allowed_args)];
mp_arg_parse_all(n_args, pos_args, kw_args, MP_ARRAY_SIZE(allowed_args), allowed_args, args);
mp_buffer_info_t bufinfo;
mp_get_buffer_raise(args[ARG_report_descriptor].u_obj, &bufinfo, MP_BUFFER_READ);
mp_obj_t descriptor = mp_obj_new_bytearray(bufinfo.len, bufinfo.buf);
mp_buffer_info_t descriptor_bufinfo;
mp_get_buffer_raise(args[ARG_report_descriptor].u_obj, &descriptor_bufinfo, MP_BUFFER_READ);
mp_obj_t descriptor = mp_obj_new_bytearray(descriptor_bufinfo.len, descriptor_bufinfo.buf);
const mp_int_t usage_page_arg = args[ARG_usage_page].u_int;
if (usage_page_arg <= 0 || usage_page_arg > 255) {
@ -99,8 +99,8 @@ STATIC mp_obj_t usb_hid_device_make_new(const mp_obj_type_t *type, size_t n_args
const uint8_t in_report_length = in_report_length_arg;
const mp_int_t out_report_length_arg = args[ARG_out_report_length].u_int;
if (out_report_length_arg <= 0 || out_report_length_arg > 255) {
mp_raise_ValueError_varg(translate("%q must be 1-255"), MP_QSTR_out_report_length);
if (out_report_length_arg < 0 || out_report_length_arg > 255) {
mp_raise_ValueError_varg(translate("%q must be 0-255"), MP_QSTR_out_report_length);
}
const uint8_t out_report_length = out_report_length_arg;
@ -108,8 +108,9 @@ STATIC mp_obj_t usb_hid_device_make_new(const mp_obj_type_t *type, size_t n_args
uint8_t report_id_index = 0;
if (report_id_index_arg != mp_const_none) {
const mp_int_t report_id_index_int = mp_obj_int_get_checked(report_id_index_arg);
if (report_id_index_int <= 0 || report_id_index_int > 255) {
mp_raise_ValueError_varg(translate("%q must be None or 1-255"), MP_QSTR_report_id_index);
if (report_id_index_int <= 0 || (uint32_t)report_id_index_int >= descriptor_bufinfo.len) {
mp_raise_ValueError_varg(translate("%q must be None or between 1 and len(report_descriptor)-1"),
MP_QSTR_report_id_index);
}
report_id_index = report_id_index_int;
}