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NFC: Improvements to NFC Magic app

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Ability to write gen1b tags (ignore 0x43)
Ability to write gen1 7 byte UID tags
Fix detection of non magic cards
This commit is contained in:
AloneLiberty 2023-06-10 14:52:42 +03:00 • committed by MX
parent 451aa86c91
commit b80fc6caf1
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GPG key ID: 7CCC66B7DBDD1C83
4 changed files with 39 additions and 33 deletions
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1
applications/external/nfc_magic/nfc_magic_i.h vendored
View file

@ -46,6 +46,7 @@ enum NfcMagicCustomEvent {
struct NfcMagicDevice {
MagicType type;
uint32_t cuid;
uint8_t uid_len;
uint32_t password;
};

66
applications/external/nfc_magic/nfc_magic_worker.c vendored
View file

@ -110,14 +110,7 @@ void nfc_magic_worker_write(NfcMagicWorker* nfc_magic_worker) {
}
magic_activate();
if(magic_gen1_wupa()) {
if(!magic_gen1_data_access_cmd()) {
FURI_LOG_E(
TAG, "No card response to data access command (not a magic card)");
nfc_magic_worker->callback(
NfcMagicWorkerEventWrongCard, nfc_magic_worker->context);
done = true;
break;
}
magic_gen1_data_access_cmd();
MfClassicData* mfc_data = &dev_data->mf_classic_data;
for(size_t i = 0; i < 64; i++) {
@ -299,6 +292,7 @@ void nfc_magic_worker_write(NfcMagicWorker* nfc_magic_worker) {
}
void nfc_magic_worker_check(NfcMagicWorker* nfc_magic_worker) {
FuriHalNfcDevData nfc_data = {};
NfcMagicDevice* magic_dev = nfc_magic_worker->magic_dev;
bool card_found_notified = false;
uint8_t gen4_config[MAGIC_GEN4_CONFIG_LEN];
@ -313,32 +307,44 @@ void nfc_magic_worker_check(NfcMagicWorker* nfc_magic_worker) {
card_found_notified = true;
}
furi_hal_nfc_activate_nfca(200, &magic_dev->cuid);
nfc_magic_worker->callback(NfcMagicWorkerEventSuccess, nfc_magic_worker->context);
break;
}
magic_deactivate();
furi_delay_ms(300);
magic_activate();
furi_hal_nfc_activate_nfca(200, &magic_dev->cuid);
if(magic_gen4_get_cfg(magic_dev->password, gen4_config)) {
magic_dev->type = MagicTypeGen4;
if(!card_found_notified) {
nfc_magic_worker->callback(
NfcMagicWorkerEventCardDetected, nfc_magic_worker->context);
card_found_notified = true;
if(furi_hal_nfc_detect(&nfc_data, 200)) {
magic_dev->cuid = nfc_data.cuid;
magic_dev->uid_len = nfc_data.uid_len;
} else {
// wrong BCC
magic_dev->uid_len = 4;
}
nfc_magic_worker->callback(NfcMagicWorkerEventSuccess, nfc_magic_worker->context);
break;
}
} else {
magic_deactivate();
magic_activate();
if(furi_hal_nfc_detect(&nfc_data, 200)) {
magic_dev->cuid = nfc_data.cuid;
magic_dev->uid_len = nfc_data.uid_len;
if(magic_gen4_get_cfg(magic_dev->password, gen4_config)) {
magic_dev->type = MagicTypeGen4;
if(!card_found_notified) {
nfc_magic_worker->callback(
NfcMagicWorkerEventCardDetected, nfc_magic_worker->context);
card_found_notified = true;
}
if(card_found_notified) {
nfc_magic_worker->callback(
NfcMagicWorkerEventNoCardDetected, nfc_magic_worker->context);
card_found_notified = false;
nfc_magic_worker->callback(
NfcMagicWorkerEventSuccess, nfc_magic_worker->context);
} else {
nfc_magic_worker->callback(
NfcMagicWorkerEventWrongCard, nfc_magic_worker->context);
card_found_notified = true;
}
break;
} else {
if(card_found_notified) {
nfc_magic_worker->callback(
NfcMagicWorkerEventNoCardDetected, nfc_magic_worker->context);
card_found_notified = false;
}
}
}
magic_deactivate();

2
applications/external/nfc_magic/scenes/nfc_magic_scene_file_select.c vendored
View file

@ -8,7 +8,7 @@ static bool nfc_magic_scene_file_select_is_file_suitable(NfcMagic* nfc_magic) {
case MagicTypeClassicDirectWrite:
case MagicTypeClassicAPDU:
if((nfc_dev->dev_data.mf_classic_data.type != MfClassicType1k) ||
(nfc_dev->dev_data.nfc_data.uid_len != 4)) {
(nfc_dev->dev_data.nfc_data.uid_len != nfc_magic->dev->uid_len)) {
return false;
}
return true;

3
applications/external/nfc_magic/scenes/nfc_magic_scene_not_magic.c vendored
View file

@ -13,11 +13,10 @@ void nfc_magic_scene_not_magic_on_enter(void* context) {
notification_message(nfc_magic->notifications, &sequence_error);
// widget_add_icon_element(widget, 73, 17, &I_DolphinCommon_56x48);
widget_add_string_element(
widget, 3, 4, AlignLeft, AlignTop, FontPrimary, "This is wrong card");
widget_add_string_multiline_element(
widget, 4, 17, AlignLeft, AlignTop, FontSecondary, "Not a magic\ncard");
widget, 4, 17, AlignLeft, AlignTop, FontSecondary, "Not magic or unsupported\ncard");
widget_add_button_element(
widget, GuiButtonTypeLeft, "Retry", nfc_magic_scene_not_magic_widget_callback, nfc_magic);