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Amount-join EIP-712 filtering implementation

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This commit is contained in:
Alexandre Paillier
2024-04-12 11:09:06 +02:00
parent c68b4186ed
commit e76e429148
6 changed files with 486 additions and 162 deletions
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81
src_features/signMessageEIP712/commands_712.c
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@@ -14,6 +14,23 @@
#include "filtering.h"
#include "common_712.h"
#include "common_ui.h" // ui_idle
#include "manage_asset_info.h"
// APDUs P1
#define P1_COMPLETE 0x00
#define P1_PARTIAL 0xFF
// APDUs P2
#define P2_DEF_NAME 0x00
#define P2_DEF_FIELD 0xFF
#define P2_IMPL_NAME P2_DEF_NAME
#define P2_IMPL_ARRAY 0x0F
#define P2_IMPL_FIELD P2_DEF_FIELD
#define P2_FILT_ACTIVATE 0x00
#define P2_FILT_MESSAGE_INFO 0x0F
#define P2_FILT_AMOUNT_JOIN_TOKEN 0xFD
#define P2_FILT_AMOUNT_JOIN_VALUE 0xFE
#define P2_FILT_RAW_FIELD 0xFF
/**
* Send the response to the previous APDU command
@@ -136,39 +153,43 @@ bool handle_eip712_struct_impl(const uint8_t *const apdu_buf) {
bool handle_eip712_filtering(const uint8_t *const apdu_buf) {
bool ret = true;
bool reply_apdu = true;
e_filtering_type type;
if (eip712_context == NULL) {
apdu_response_code = APDU_RESPONSE_CONDITION_NOT_SATISFIED;
ret = false;
} else {
switch (apdu_buf[OFFSET_P2]) {
case P2_FILT_ACTIVATE:
if (!N_storage.verbose_eip712) {
ui_712_set_filtering_mode(EIP712_FILTERING_FULL);
ret = compute_schema_hash();
}
break;
case P2_FILT_MESSAGE_INFO:
case P2_FILT_SHOW_FIELD:
type = (apdu_buf[OFFSET_P2] == P2_FILT_MESSAGE_INFO)
? FILTERING_PROVIDE_MESSAGE_INFO
: FILTERING_SHOW_FIELD;
if (ui_712_get_filtering_mode() == EIP712_FILTERING_FULL) {
ret =
provide_filtering_info(&apdu_buf[OFFSET_CDATA], apdu_buf[OFFSET_LC], type);
if ((apdu_buf[OFFSET_P2] == P2_FILT_MESSAGE_INFO) && ret) {
reply_apdu = false;
}
}
break;
default:
PRINTF("Unknown P2 0x%x for APDU 0x%x\n",
apdu_buf[OFFSET_P2],
apdu_buf[OFFSET_INS]);
apdu_response_code = APDU_RESPONSE_INVALID_P1_P2;
ret = false;
}
return false;
}
if ((apdu_buf[OFFSET_P2] != P2_FILT_ACTIVATE) &&
(ui_712_get_filtering_mode() != EIP712_FILTERING_FULL)) {
handle_eip712_return_code(true);
return true;
}
switch (apdu_buf[OFFSET_P2]) {
case P2_FILT_ACTIVATE:
if (!N_storage.verbose_eip712) {
ui_712_set_filtering_mode(EIP712_FILTERING_FULL);
ret = compute_schema_hash();
}
forget_known_assets();
break;
case P2_FILT_MESSAGE_INFO:
ret = filtering_message_info(&apdu_buf[OFFSET_CDATA], apdu_buf[OFFSET_LC]);
if (ret) {
reply_apdu = false;
}
break;
case P2_FILT_AMOUNT_JOIN_TOKEN:
ret = filtering_amount_join_token(&apdu_buf[OFFSET_CDATA], apdu_buf[OFFSET_LC]);
break;
case P2_FILT_AMOUNT_JOIN_VALUE:
ret = filtering_amount_join_value(&apdu_buf[OFFSET_CDATA], apdu_buf[OFFSET_LC]);
break;
case P2_FILT_RAW_FIELD:
ret = filtering_raw_field(&apdu_buf[OFFSET_CDATA], apdu_buf[OFFSET_LC]);
break;
default:
PRINTF("Unknown P2 0x%x for APDU 0x%x\n", apdu_buf[OFFSET_P2], apdu_buf[OFFSET_INS]);
apdu_response_code = APDU_RESPONSE_INVALID_P1_P2;
ret = false;
}
if (reply_apdu) {
handle_eip712_return_code(ret);