mirror of
https://github.com/DarkFlippers/unleashed-firmware.git
synced 2024-12-20 20:01:54 +03:00
434 lines
14 KiB
C
434 lines
14 KiB
C
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#include "slix_i.h"
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#include "slix_device_defs.h"
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#include <furi.h>
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#include <nfc/nfc_common.h>
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#define SLIX_PROTOCOL_NAME "SLIX"
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#define SLIX_DEVICE_NAME "SLIX"
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#define SLIX_TYPE_SLIX_SLIX2 (0x01U)
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#define SLIX_TYPE_SLIX_S (0x02U)
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#define SLIX_TYPE_SLIX_L (0x03U)
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#define SLIX_TYPE_INDICATOR_SLIX (0x02U)
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#define SLIX_TYPE_INDICATOR_SLIX2 (0x01U)
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#define SLIX_PASSWORD_READ_KEY "Password Read"
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#define SLIX_PASSWORD_WRITE_KEY "Password Write"
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#define SLIX_PASSWORD_PRIVACY_KEY "Password Privacy"
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#define SLIX_PASSWORD_DESTROY_KEY "Password Destroy"
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#define SLIX_PASSWORD_EAS_KEY "Password EAS"
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#define SLIX_SIGNATURE_KEY "Signature"
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#define SLIX_PRIVACY_MODE_KEY "Privacy Mode"
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#define SLIX_PROTECTION_POINTER_KEY "Protection Pointer"
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#define SLIX_PROTECTION_CONDITION_KEY "Protection Condition"
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#define SLIX_LOCK_EAS_KEY "Lock EAS"
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#define SLIX_LOCK_PPL_KEY "Lock PPL"
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typedef struct {
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uint8_t iso15693_3[2];
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uint8_t icode_type;
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union {
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struct {
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uint8_t unused_1 : 3;
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uint8_t type_indicator : 2;
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uint8_t unused_2 : 3;
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};
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uint8_t serial_num[5];
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};
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} SlixUidLayout;
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const NfcDeviceBase nfc_device_slix = {
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.protocol_name = SLIX_PROTOCOL_NAME,
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.alloc = (NfcDeviceAlloc)slix_alloc,
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.free = (NfcDeviceFree)slix_free,
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.reset = (NfcDeviceReset)slix_reset,
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.copy = (NfcDeviceCopy)slix_copy,
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.verify = (NfcDeviceVerify)slix_verify,
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.load = (NfcDeviceLoad)slix_load,
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.save = (NfcDeviceSave)slix_save,
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.is_equal = (NfcDeviceEqual)slix_is_equal,
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.get_name = (NfcDeviceGetName)slix_get_device_name,
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.get_uid = (NfcDeviceGetUid)slix_get_uid,
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.set_uid = (NfcDeviceSetUid)slix_set_uid,
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.get_base_data = (NfcDeviceGetBaseData)slix_get_base_data,
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};
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static const char* slix_nfc_device_name[] = {
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[SlixTypeSlix] = SLIX_DEVICE_NAME,
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[SlixTypeSlixS] = SLIX_DEVICE_NAME "-S",
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[SlixTypeSlixL] = SLIX_DEVICE_NAME "-L",
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[SlixTypeSlix2] = SLIX_DEVICE_NAME "2",
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};
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static const SlixTypeFeatures slix_type_features[] = {
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[SlixTypeSlix] = SLIX_TYPE_FEATURES_SLIX,
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[SlixTypeSlixS] = SLIX_TYPE_FEATURES_SLIX_S,
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[SlixTypeSlixL] = SLIX_TYPE_FEATURES_SLIX_L,
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[SlixTypeSlix2] = SLIX_TYPE_FEATURES_SLIX2,
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};
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typedef struct {
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const char* key;
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SlixTypeFeatures feature_flag;
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SlixPassword default_value;
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} SlixPasswordConfig;
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static const SlixPasswordConfig slix_password_configs[] = {
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[SlixPasswordTypeRead] = {SLIX_PASSWORD_READ_KEY, SLIX_TYPE_FEATURE_READ, 0x00000000U},
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[SlixPasswordTypeWrite] = {SLIX_PASSWORD_WRITE_KEY, SLIX_TYPE_FEATURE_WRITE, 0x00000000U},
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[SlixPasswordTypePrivacy] = {SLIX_PASSWORD_PRIVACY_KEY, SLIX_TYPE_FEATURE_PRIVACY, 0xFFFFFFFFU},
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[SlixPasswordTypeDestroy] = {SLIX_PASSWORD_DESTROY_KEY, SLIX_TYPE_FEATURE_DESTROY, 0xFFFFFFFFU},
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[SlixPasswordTypeEasAfi] = {SLIX_PASSWORD_EAS_KEY, SLIX_TYPE_FEATURE_EAS, 0x00000000U},
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};
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static void slix_password_set_defaults(SlixPassword* passwords) {
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for(uint32_t i = 0; i < COUNT_OF(slix_password_configs); ++i) {
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passwords[i] = slix_password_configs[i].default_value;
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}
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}
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SlixData* slix_alloc() {
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SlixData* data = malloc(sizeof(SlixData));
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data->iso15693_3_data = iso15693_3_alloc();
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slix_password_set_defaults(data->passwords);
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return data;
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}
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void slix_free(SlixData* data) {
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furi_assert(data);
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iso15693_3_free(data->iso15693_3_data);
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free(data);
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}
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void slix_reset(SlixData* data) {
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furi_assert(data);
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iso15693_3_reset(data->iso15693_3_data);
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slix_password_set_defaults(data->passwords);
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memset(&data->system_info, 0, sizeof(SlixSystemInfo));
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memset(data->signature, 0, sizeof(SlixSignature));
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data->privacy = false;
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}
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void slix_copy(SlixData* data, const SlixData* other) {
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furi_assert(data);
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furi_assert(other);
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iso15693_3_copy(data->iso15693_3_data, other->iso15693_3_data);
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memcpy(data->passwords, other->passwords, sizeof(SlixPassword) * SlixPasswordTypeCount);
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memcpy(data->signature, other->signature, sizeof(SlixSignature));
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data->system_info = other->system_info;
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data->privacy = other->privacy;
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}
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bool slix_verify(SlixData* data, const FuriString* device_type) {
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UNUSED(data);
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UNUSED(device_type);
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// No backward compatibility, unified format only
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return false;
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}
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static bool slix_load_passwords(SlixPassword* passwords, SlixType slix_type, FlipperFormat* ff) {
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bool ret = true;
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for(uint32_t i = 0; i < COUNT_OF(slix_password_configs); ++i) {
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const SlixPasswordConfig* password_config = &slix_password_configs[i];
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if(!slix_type_has_features(slix_type, password_config->feature_flag)) continue;
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if(!flipper_format_key_exist(ff, password_config->key)) {
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passwords[i] = password_config->default_value;
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continue;
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}
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if(!flipper_format_read_hex(
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ff, password_config->key, (uint8_t*)&passwords[i], sizeof(SlixPassword))) {
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ret = false;
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break;
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}
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}
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return ret;
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}
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bool slix_load(SlixData* data, FlipperFormat* ff, uint32_t version) {
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furi_assert(data);
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bool loaded = false;
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do {
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if(!iso15693_3_load(data->iso15693_3_data, ff, version)) break;
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const SlixType slix_type = slix_get_type(data);
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if(slix_type >= SlixTypeCount) break;
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if(!slix_load_passwords(data->passwords, slix_type, ff)) break;
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if(slix_type_has_features(slix_type, SLIX_TYPE_FEATURE_SIGNATURE)) {
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if(flipper_format_key_exist(ff, SLIX_SIGNATURE_KEY)) {
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if(!flipper_format_read_hex(
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ff, SLIX_SIGNATURE_KEY, data->signature, SLIX_SIGNATURE_SIZE))
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break;
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}
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}
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if(slix_type_has_features(slix_type, SLIX_TYPE_FEATURE_PRIVACY)) {
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if(flipper_format_key_exist(ff, SLIX_PRIVACY_MODE_KEY)) {
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if(!flipper_format_read_bool(ff, SLIX_PRIVACY_MODE_KEY, &data->privacy, 1)) break;
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}
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}
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if(slix_type_has_features(slix_type, SLIX_TYPE_FEATURE_PROTECTION)) {
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SlixProtection* protection = &data->system_info.protection;
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if(flipper_format_key_exist(ff, SLIX_PROTECTION_POINTER_KEY) &&
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flipper_format_key_exist(ff, SLIX_PROTECTION_CONDITION_KEY)) {
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if(!flipper_format_read_hex(
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ff, SLIX_PROTECTION_POINTER_KEY, &protection->pointer, 1))
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break;
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if(!flipper_format_read_hex(
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ff, SLIX_PROTECTION_CONDITION_KEY, &protection->condition, 1))
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break;
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}
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}
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if(slix_type_has_features(slix_type, SLIX_TYPE_FEATURE_EAS)) {
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if(flipper_format_key_exist(ff, SLIX_LOCK_EAS_KEY)) {
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SlixLockBits* lock_bits = &data->system_info.lock_bits;
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if(!flipper_format_read_bool(ff, SLIX_LOCK_EAS_KEY, &lock_bits->eas, 1)) break;
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}
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}
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if(slix_type_has_features(slix_type, SLIX_TYPE_FEATURE_PROTECTION)) {
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if(flipper_format_key_exist(ff, SLIX_LOCK_PPL_KEY)) {
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SlixLockBits* lock_bits = &data->system_info.lock_bits;
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if(!flipper_format_read_bool(ff, SLIX_LOCK_PPL_KEY, &lock_bits->ppl, 1)) break;
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}
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}
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loaded = true;
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} while(false);
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return loaded;
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}
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static bool
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slix_save_passwords(const SlixPassword* passwords, SlixType slix_type, FlipperFormat* ff) {
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bool ret = true;
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for(uint32_t i = 0; i < COUNT_OF(slix_password_configs); ++i) {
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const SlixPasswordConfig* password_config = &slix_password_configs[i];
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if(!slix_type_has_features(slix_type, password_config->feature_flag)) continue;
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if(!flipper_format_write_hex(
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ff, password_config->key, (uint8_t*)&passwords[i], sizeof(SlixPassword))) {
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ret = false;
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break;
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}
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}
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return ret;
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}
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bool slix_save(const SlixData* data, FlipperFormat* ff) {
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furi_assert(data);
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bool saved = false;
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do {
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const SlixType slix_type = slix_get_type(data);
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if(slix_type >= SlixTypeCount) break;
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if(!iso15693_3_save(data->iso15693_3_data, ff)) break;
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if(!flipper_format_write_comment_cstr(ff, SLIX_PROTOCOL_NAME " specific data")) break;
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if(!flipper_format_write_comment_cstr(
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ff,
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"Passwords are optional. If a password is omitted, a default value will be used"))
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break;
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if(!slix_save_passwords(data->passwords, slix_type, ff)) break;
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if(slix_type_has_features(slix_type, SLIX_TYPE_FEATURE_SIGNATURE)) {
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if(!flipper_format_write_comment_cstr(
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ff,
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"This is the card's secp128r1 elliptic curve signature. It can not be calculated without knowing NXP's private key."))
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break;
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if(!flipper_format_write_hex(
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ff, SLIX_SIGNATURE_KEY, data->signature, SLIX_SIGNATURE_SIZE))
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break;
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}
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if(slix_type_has_features(slix_type, SLIX_TYPE_FEATURE_PRIVACY)) {
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if(!flipper_format_write_bool(ff, SLIX_PRIVACY_MODE_KEY, &data->privacy, 1)) break;
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}
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if(slix_type_has_features(slix_type, SLIX_TYPE_FEATURE_PROTECTION)) {
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const SlixProtection* protection = &data->system_info.protection;
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if(!flipper_format_write_comment_cstr(ff, "Protection pointer configuration")) break;
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if(!flipper_format_write_hex(
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ff, SLIX_PROTECTION_POINTER_KEY, &protection->pointer, sizeof(uint8_t)))
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break;
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if(!flipper_format_write_hex(
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ff, SLIX_PROTECTION_CONDITION_KEY, &protection->condition, sizeof(uint8_t)))
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break;
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}
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if(slix_type_has_features(slix_type, SLIX_TYPE_FEATURE_EAS) ||
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slix_type_has_features(slix_type, SLIX_TYPE_FEATURE_PROTECTION)) {
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if(!flipper_format_write_comment_cstr(ff, "SLIX Lock Bits")) break;
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}
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if(slix_type_has_features(slix_type, SLIX_TYPE_FEATURE_EAS)) {
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const SlixLockBits* lock_bits = &data->system_info.lock_bits;
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if(!flipper_format_write_bool(ff, SLIX_LOCK_EAS_KEY, &lock_bits->eas, 1)) break;
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}
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if(slix_type_has_features(slix_type, SLIX_TYPE_FEATURE_PROTECTION)) {
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const SlixLockBits* lock_bits = &data->system_info.lock_bits;
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if(!flipper_format_write_bool(ff, SLIX_LOCK_PPL_KEY, &lock_bits->ppl, 1)) break;
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}
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saved = true;
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} while(false);
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return saved;
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}
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bool slix_is_equal(const SlixData* data, const SlixData* other) {
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return iso15693_3_is_equal(data->iso15693_3_data, other->iso15693_3_data) &&
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memcmp(&data->system_info, &other->system_info, sizeof(SlixSystemInfo)) == 0 &&
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memcmp(
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data->passwords, other->passwords, sizeof(SlixPassword) * SlixPasswordTypeCount) ==
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0 &&
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memcmp(&data->signature, &other->signature, sizeof(SlixSignature)) == 0 &&
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data->privacy == other->privacy;
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}
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const char* slix_get_device_name(const SlixData* data, NfcDeviceNameType name_type) {
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UNUSED(name_type);
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const SlixType slix_type = slix_get_type(data);
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furi_assert(slix_type < SlixTypeCount);
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return slix_nfc_device_name[slix_type];
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}
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const uint8_t* slix_get_uid(const SlixData* data, size_t* uid_len) {
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return iso15693_3_get_uid(data->iso15693_3_data, uid_len);
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}
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bool slix_set_uid(SlixData* data, const uint8_t* uid, size_t uid_len) {
|
||
|
|
furi_assert(data);
|
||
|
|
|
||
|
|
return iso15693_3_set_uid(data->iso15693_3_data, uid, uid_len);
|
||
|
|
}
|
||
|
|
|
||
|
|
const Iso15693_3Data* slix_get_base_data(const SlixData* data) {
|
||
|
|
furi_assert(data);
|
||
|
|
|
||
|
|
return data->iso15693_3_data;
|
||
|
|
}
|
||
|
|
|
||
|
|
SlixType slix_get_type(const SlixData* data) {
|
||
|
|
SlixType type = SlixTypeCount;
|
||
|
|
|
||
|
|
do {
|
||
|
|
if(iso15693_3_get_manufacturer_id(data->iso15693_3_data) != SLIX_NXP_MANUFACTURER_CODE)
|
||
|
|
break;
|
||
|
|
|
||
|
|
const SlixUidLayout* uid = (const SlixUidLayout*)data->iso15693_3_data->uid;
|
||
|
|
|
||
|
|
if(uid->icode_type == SLIX_TYPE_SLIX_SLIX2) {
|
||
|
|
if(uid->type_indicator == SLIX_TYPE_INDICATOR_SLIX) {
|
||
|
|
type = SlixTypeSlix;
|
||
|
|
} else if(uid->type_indicator == SLIX_TYPE_INDICATOR_SLIX2) {
|
||
|
|
type = SlixTypeSlix2;
|
||
|
|
}
|
||
|
|
} else if(uid->icode_type == SLIX_TYPE_SLIX_S) {
|
||
|
|
type = SlixTypeSlixS;
|
||
|
|
} else if(uid->icode_type == SLIX_TYPE_SLIX_L) {
|
||
|
|
type = SlixTypeSlixL;
|
||
|
|
}
|
||
|
|
|
||
|
|
} while(false);
|
||
|
|
|
||
|
|
return type;
|
||
|
|
}
|
||
|
|
|
||
|
|
SlixPassword slix_get_password(const SlixData* data, SlixPasswordType password_type) {
|
||
|
|
furi_assert(data);
|
||
|
|
furi_assert(password_type < SlixPasswordTypeCount);
|
||
|
|
|
||
|
|
return data->passwords[password_type];
|
||
|
|
}
|
||
|
|
|
||
|
|
uint16_t slix_get_counter(const SlixData* data) {
|
||
|
|
furi_assert(data);
|
||
|
|
const SlixCounter* counter = (const SlixCounter*)iso15693_3_get_block_data(
|
||
|
|
data->iso15693_3_data, SLIX_COUNTER_BLOCK_NUM);
|
||
|
|
|
||
|
|
return counter->value;
|
||
|
|
}
|
||
|
|
|
||
|
|
bool slix_is_privacy_mode(const SlixData* data) {
|
||
|
|
furi_assert(data);
|
||
|
|
|
||
|
|
return data->privacy;
|
||
|
|
}
|
||
|
|
|
||
|
|
bool slix_is_block_protected(
|
||
|
|
const SlixData* data,
|
||
|
|
SlixPasswordType password_type,
|
||
|
|
uint8_t block_num) {
|
||
|
|
furi_assert(data);
|
||
|
|
furi_assert(password_type < SlixPasswordTypeCount);
|
||
|
|
|
||
|
|
bool ret = false;
|
||
|
|
|
||
|
|
do {
|
||
|
|
if(password_type != SlixPasswordTypeRead && password_type != SlixPasswordTypeWrite) break;
|
||
|
|
if(block_num >= iso15693_3_get_block_count(data->iso15693_3_data)) break;
|
||
|
|
if(block_num == SLIX_COUNTER_BLOCK_NUM) break;
|
||
|
|
|
||
|
|
const bool high = block_num >= data->system_info.protection.pointer;
|
||
|
|
const bool read = password_type == SlixPasswordTypeRead;
|
||
|
|
|
||
|
|
const uint8_t condition = high ? (read ? SLIX_PP_CONDITION_RH : SLIX_PP_CONDITION_WH) :
|
||
|
|
(read ? SLIX_PP_CONDITION_RL : SLIX_PP_CONDITION_WL);
|
||
|
|
|
||
|
|
ret = data->system_info.protection.condition & condition;
|
||
|
|
} while(false);
|
||
|
|
|
||
|
|
return ret;
|
||
|
|
}
|
||
|
|
|
||
|
|
bool slix_is_counter_increment_protected(const SlixData* data) {
|
||
|
|
furi_assert(data);
|
||
|
|
|
||
|
|
const SlixCounter* counter = (const SlixCounter*)iso15693_3_get_block_data(
|
||
|
|
data->iso15693_3_data, SLIX_COUNTER_BLOCK_NUM);
|
||
|
|
|
||
|
|
return counter->protection != 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
bool slix_type_has_features(SlixType slix_type, SlixTypeFeatures features) {
|
||
|
|
furi_assert(slix_type < SlixTypeCount);
|
||
|
|
|
||
|
|
return (slix_type_features[slix_type] & features) == features;
|
||
|
|
}
|
||
|
|
|
||
|
|
bool slix_type_supports_password(SlixType slix_type, SlixPasswordType password_type) {
|
||
|
|
furi_assert(slix_type < SlixTypeCount);
|
||
|
|
furi_assert(password_type < SlixPasswordTypeCount);
|
||
|
|
|
||
|
|
return slix_type_features[slix_type] & slix_password_configs[password_type].feature_flag;
|
||
|
|
}
|