98 lines
2.9 KiB
C
98 lines
2.9 KiB
C
#ifdef HAVE_EIP712_FULL_SUPPORT
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#include <string.h> // explicit_bzero
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#include "common_ui.h"
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#include "ui_nbgl.h"
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#include "ui_logic.h"
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#include "common_712.h"
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#include "nbgl_use_case.h"
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#include "ui_message_signing.h"
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#include "ledger_assert.h"
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static nbgl_contentTagValue_t pairs[6];
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static nbgl_contentTagValueList_t pairs_list;
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static uint8_t pair_idx;
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static size_t buf_idx;
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static void message_progress(bool confirm) {
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char *buf;
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size_t buf_size;
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size_t shift_off;
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if (pairs_list.nbPairs < pair_idx) {
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buf = get_ui_pairs_buffer(&buf_size);
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memmove(&pairs[0], &pairs[pairs_list.nbPairs], sizeof(pairs[0]));
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memmove(buf, pairs[0].item, (buf + buf_idx) - pairs[0].item);
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shift_off = pairs[0].item - buf;
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buf_idx -= shift_off;
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pairs[0].value -= shift_off;
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pairs[0].item = buf;
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pair_idx = 1;
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}
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if (confirm) {
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if (ui_712_next_field() == EIP712_NO_MORE_FIELD) {
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ui_712_switch_to_sign();
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}
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} else {
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ui_typed_message_review_choice(false);
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}
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}
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static void message_update(bool confirm) {
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char *buf;
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size_t buf_size;
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size_t buf_off;
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bool flag;
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buf = get_ui_pairs_buffer(&buf_size);
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if (confirm) {
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buf_off = strlen(strings.tmp.tmp2) + 1;
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LEDGER_ASSERT((buf_idx + buf_off) < buf_size, "UI pairs buffer overflow");
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pairs[pair_idx].item = memmove(buf + buf_idx, strings.tmp.tmp2, buf_off);
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buf_idx += buf_off;
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buf_off = strlen(strings.tmp.tmp) + 1;
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LEDGER_ASSERT((buf_idx + buf_off) < buf_size, "UI pairs buffer overflow");
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pairs[pair_idx].value = memmove(buf + buf_idx, strings.tmp.tmp, buf_off);
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buf_idx += buf_off;
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pair_idx += 1;
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pairs_list.nbPairs = nbgl_useCaseGetNbTagValuesInPage(pair_idx, &pairs_list, 0, &flag);
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if (pairs_list.nbPairs < pair_idx) {
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nbgl_useCaseReviewStreamingContinue(&pairs_list, message_progress);
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} else {
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message_progress(true);
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}
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} else {
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ui_typed_message_review_choice(false);
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}
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}
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void ui_712_start(void) {
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explicit_bzero(&pairs, sizeof(pairs));
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explicit_bzero(&pairs_list, sizeof(pairs_list));
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pairs_list.pairs = pairs;
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pair_idx = 0;
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buf_idx = 0;
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nbgl_useCaseReviewStreamingStart(TYPE_MESSAGE,
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&C_Review_64px,
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TEXT_REVIEW_EIP712,
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NULL,
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message_update);
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}
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void ui_712_switch_to_message(void) {
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message_update(true);
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}
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void ui_712_switch_to_sign(void) {
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if (pair_idx > 0) {
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pairs_list.nbPairs = pair_idx;
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pair_idx = 0;
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nbgl_useCaseReviewStreamingContinue(&pairs_list, message_progress);
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} else {
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nbgl_useCaseReviewStreamingFinish(TEXT_SIGN_EIP712, ui_typed_message_review_choice);
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}
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}
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#endif // HAVE_EIP712_FULL_SUPPORT
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