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unleashed-firmware/lib/subghz/protocols/kinggates_stylo_4k.c
Skorpionm 72ca6b25e9
[FL-3106] SubGhz: better and more verbose error handling in protocols, stricter CAME validation (#2443) 
* SubGhz: add error protocol
* WS: add error protocol
* SubGhz: error processing
* SubGhz: more stringent CAME protocol restrictions
* SubGhz: fix header duration CAME protocol
* SubGhz: delete comments
* SubGhz: sync SubGhzProtocolStatus with FuriStatus
* SubGhz: update documentation and bump api_version

Co-authored-by: あく <alleteam@gmail.com>
2023-03-04 00:09:13 +09:00

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#include "kinggates_stylo_4k.h"
#include "keeloq_common.h"
#include "../subghz_keystore.h"
#include "../blocks/const.h"
#include "../blocks/decoder.h"
#include "../blocks/encoder.h"
#include "../blocks/generic.h"
#include "../blocks/math.h"
#define TAG "SubGhzProtocoKingGates_stylo_4k"
static const SubGhzBlockConst subghz_protocol_kinggates_stylo_4k_const = {
.te_short = 400,
.te_long = 1100,
.te_delta = 140,
.min_count_bit_for_found = 89,
};
struct SubGhzProtocolDecoderKingGates_stylo_4k {
SubGhzProtocolDecoderBase base;
SubGhzBlockDecoder decoder;
SubGhzBlockGeneric generic;
uint64_t data;
uint16_t header_count;
SubGhzKeystore* keystore;
};
struct SubGhzProtocolEncoderKingGates_stylo_4k {
SubGhzProtocolEncoderBase base;
SubGhzProtocolBlockEncoder encoder;
SubGhzBlockGeneric generic;
};
typedef enum {
KingGates_stylo_4kDecoderStepReset = 0,
KingGates_stylo_4kDecoderStepCheckPreambula,
KingGates_stylo_4kDecoderStepCheckStartBit,
KingGates_stylo_4kDecoderStepSaveDuration,
KingGates_stylo_4kDecoderStepCheckDuration,
} KingGates_stylo_4kDecoderStep;
const SubGhzProtocolDecoder subghz_protocol_kinggates_stylo_4k_decoder = {
.alloc = subghz_protocol_decoder_kinggates_stylo_4k_alloc,
.free = subghz_protocol_decoder_kinggates_stylo_4k_free,
.feed = subghz_protocol_decoder_kinggates_stylo_4k_feed,
.reset = subghz_protocol_decoder_kinggates_stylo_4k_reset,
.get_hash_data = subghz_protocol_decoder_kinggates_stylo_4k_get_hash_data,
.serialize = subghz_protocol_decoder_kinggates_stylo_4k_serialize,
.deserialize = subghz_protocol_decoder_kinggates_stylo_4k_deserialize,
.get_string = subghz_protocol_decoder_kinggates_stylo_4k_get_string,
};
const SubGhzProtocolEncoder subghz_protocol_kinggates_stylo_4k_encoder = {
.alloc = NULL,
.free = NULL,
.deserialize = NULL,
.stop = NULL,
.yield = NULL,
};
const SubGhzProtocol subghz_protocol_kinggates_stylo_4k = {
.name = SUBGHZ_PROTOCOL_KINGGATES_STYLO_4K_NAME,
.type = SubGhzProtocolTypeDynamic,
.flag = SubGhzProtocolFlag_433 | SubGhzProtocolFlag_AM | SubGhzProtocolFlag_Decodable,
.decoder = &subghz_protocol_kinggates_stylo_4k_decoder,
.encoder = &subghz_protocol_kinggates_stylo_4k_encoder,
};
void* subghz_protocol_decoder_kinggates_stylo_4k_alloc(SubGhzEnvironment* environment) {
SubGhzProtocolDecoderKingGates_stylo_4k* instance =
malloc(sizeof(SubGhzProtocolDecoderKingGates_stylo_4k));
instance->base.protocol = &subghz_protocol_kinggates_stylo_4k;
instance->generic.protocol_name = instance->base.protocol->name;
instance->keystore = subghz_environment_get_keystore(environment);
return instance;
}
void subghz_protocol_decoder_kinggates_stylo_4k_free(void* context) {
furi_assert(context);
SubGhzProtocolDecoderKingGates_stylo_4k* instance = context;
free(instance);
}
void subghz_protocol_decoder_kinggates_stylo_4k_reset(void* context) {
furi_assert(context);
SubGhzProtocolDecoderKingGates_stylo_4k* instance = context;
instance->decoder.parser_step = KingGates_stylo_4kDecoderStepReset;
}
void subghz_protocol_decoder_kinggates_stylo_4k_feed(void* context, bool level, uint32_t duration) {
furi_assert(context);
SubGhzProtocolDecoderKingGates_stylo_4k* instance = context;
switch(instance->decoder.parser_step) {
case KingGates_stylo_4kDecoderStepReset:
if((level) && DURATION_DIFF(duration, subghz_protocol_kinggates_stylo_4k_const.te_short) <
subghz_protocol_kinggates_stylo_4k_const.te_delta) {
instance->decoder.parser_step = KingGates_stylo_4kDecoderStepCheckPreambula;
instance->header_count++;
}
break;
case KingGates_stylo_4kDecoderStepCheckPreambula:
if((!level) &&
(DURATION_DIFF(duration, subghz_protocol_kinggates_stylo_4k_const.te_short) <
subghz_protocol_kinggates_stylo_4k_const.te_delta)) {
instance->decoder.parser_step = KingGates_stylo_4kDecoderStepReset;
break;
}
if((instance->header_count > 2) &&
(DURATION_DIFF(duration, subghz_protocol_kinggates_stylo_4k_const.te_long * 2) <
subghz_protocol_kinggates_stylo_4k_const.te_delta * 2)) {
// Found header
instance->decoder.parser_step = KingGates_stylo_4kDecoderStepCheckStartBit;
} else {
instance->decoder.parser_step = KingGates_stylo_4kDecoderStepReset;
instance->header_count = 0;
}
break;
case KingGates_stylo_4kDecoderStepCheckStartBit:
if((level) &&
DURATION_DIFF(duration, subghz_protocol_kinggates_stylo_4k_const.te_short * 2) <
subghz_protocol_kinggates_stylo_4k_const.te_delta * 2) {
instance->decoder.parser_step = KingGates_stylo_4kDecoderStepSaveDuration;
instance->decoder.decode_data = 0;
instance->data = 0;
instance->decoder.decode_count_bit = 0;
instance->header_count = 0;
}
break;
case KingGates_stylo_4kDecoderStepSaveDuration:
if(!level) {
if(duration >= ((uint32_t)subghz_protocol_kinggates_stylo_4k_const.te_long * 3)) {
if(instance->decoder.decode_count_bit ==
subghz_protocol_kinggates_stylo_4k_const.min_count_bit_for_found) {
instance->generic.data = instance->data;
instance->data = instance->decoder.decode_data;
instance->generic.data_count_bit = instance->decoder.decode_count_bit;
if(instance->base.callback)
instance->base.callback(&instance->base, instance->base.context);
}
instance->decoder.parser_step = KingGates_stylo_4kDecoderStepReset;
instance->decoder.decode_data = 0;
instance->data = 0;
instance->decoder.decode_count_bit = 0;
instance->header_count = 0;
break;
} else {
instance->decoder.te_last = duration;
instance->decoder.parser_step = KingGates_stylo_4kDecoderStepCheckDuration;
}
} else {
instance->decoder.parser_step = KingGates_stylo_4kDecoderStepReset;
instance->header_count = 0;
}
break;
case KingGates_stylo_4kDecoderStepCheckDuration:
if(level) {
if((DURATION_DIFF(
instance->decoder.te_last, subghz_protocol_kinggates_stylo_4k_const.te_short) <
subghz_protocol_kinggates_stylo_4k_const.te_delta) &&
(DURATION_DIFF(duration, subghz_protocol_kinggates_stylo_4k_const.te_long) <
subghz_protocol_kinggates_stylo_4k_const.te_delta * 2)) {
subghz_protocol_blocks_add_bit(&instance->decoder, 1);
instance->decoder.parser_step = KingGates_stylo_4kDecoderStepSaveDuration;
} else if(
(DURATION_DIFF(
instance->decoder.te_last, subghz_protocol_kinggates_stylo_4k_const.te_long) <
subghz_protocol_kinggates_stylo_4k_const.te_delta * 2) &&
(DURATION_DIFF(duration, subghz_protocol_kinggates_stylo_4k_const.te_short) <
subghz_protocol_kinggates_stylo_4k_const.te_delta)) {
subghz_protocol_blocks_add_bit(&instance->decoder, 0);
instance->decoder.parser_step = KingGates_stylo_4kDecoderStepSaveDuration;
} else {
instance->decoder.parser_step = KingGates_stylo_4kDecoderStepReset;
instance->header_count = 0;
}
if(instance->decoder.decode_count_bit == 53) {
instance->data = instance->decoder.decode_data;
instance->decoder.decode_data = 0;
}
} else {
instance->decoder.parser_step = KingGates_stylo_4kDecoderStepReset;
instance->header_count = 0;
}
break;
}
}
/**
* Analysis of received data
* @param instance Pointer to a SubGhzBlockGeneric* instance
* @param file_name Full path to rainbow table the file
*/
static void subghz_protocol_kinggates_stylo_4k_remote_controller(
SubGhzBlockGeneric* instance,
uint64_t data,
SubGhzKeystore* keystore) {
/**
* 9500us 12*(400/400) 2200/800|1-bit|0-bit|
* _ _ _ __ ___ _
* ________| |_| |_..._| |_____| |_| |___| |.....
*
* 1-bit 400/1100 us
* 0-bit 1100/400 us
*
* The package consists of 89 bits of data, LSB first
* Data - 1C9037F0C80000 CE280BA00
* S[3] S[2] 1 key S[1] S[0] 2 byte always 0 Hop[3] Hop[2] Hop[1] Hop[0] 0
* 11100100 10000001 1 0111 11110000 11001000 00000000 00000000 11001110 00101000 00001011 10100000 0000
*
* Encryption - keeloq Simple Learning
* key C S[3] CNT
* Decrypt - 0xEC270B9C => 0x E C 27 0B9C
*
*
*
*/
uint32_t hop = subghz_protocol_blocks_reverse_key(data >> 4, 32);
uint64_t fix = subghz_protocol_blocks_reverse_key(instance->data, 53);
bool ret = false;
uint32_t decrypt = 0;
instance->btn = (fix >> 17) & 0x0F;
instance->serial = ((fix >> 5) & 0xFFFF0000) | (fix & 0xFFFF);
for
M_EACH(manufacture_code, *subghz_keystore_get_data(keystore), SubGhzKeyArray_t) {
if(manufacture_code->type == KEELOQ_LEARNING_SIMPLE) {
decrypt = subghz_protocol_keeloq_common_decrypt(hop, manufacture_code->key);
if(((decrypt >> 28) == instance->btn) && (((decrypt >> 24) & 0x0F) == 0x0C) &&
(((decrypt >> 16) & 0xFF) == (instance->serial & 0xFF))) {
ret = true;
break;
}
}
}
if(ret) {
instance->cnt = decrypt & 0xFFFF;
} else {
instance->btn = 0;
instance->serial = 0;
instance->cnt = 0;
}
}
uint8_t subghz_protocol_decoder_kinggates_stylo_4k_get_hash_data(void* context) {
furi_assert(context);
SubGhzProtocolDecoderKingGates_stylo_4k* instance = context;
return subghz_protocol_blocks_get_hash_data(
&instance->decoder, (instance->decoder.decode_count_bit / 8) + 1);
}
SubGhzProtocolStatus subghz_protocol_decoder_kinggates_stylo_4k_serialize(
void* context,
FlipperFormat* flipper_format,
SubGhzRadioPreset* preset) {
furi_assert(context);
SubGhzProtocolDecoderKingGates_stylo_4k* instance = context;
SubGhzProtocolStatus ret =
subghz_block_generic_serialize(&instance->generic, flipper_format, preset);
uint8_t key_data[sizeof(uint64_t)] = {0};
for(size_t i = 0; i < sizeof(uint64_t); i++) {
key_data[sizeof(uint64_t) - i - 1] = (instance->data >> (i * 8)) & 0xFF;
}
if((ret == SubGhzProtocolStatusOk) &&
!flipper_format_write_hex(flipper_format, "Data", key_data, sizeof(uint64_t))) {
FURI_LOG_E(TAG, "Unable to add Data");
ret = SubGhzProtocolStatusErrorParserOthers;
}
return ret;
}
SubGhzProtocolStatus subghz_protocol_decoder_kinggates_stylo_4k_deserialize(
void* context,
FlipperFormat* flipper_format) {
furi_assert(context);
SubGhzProtocolDecoderKingGates_stylo_4k* instance = context;
SubGhzProtocolStatus ret = SubGhzProtocolStatusError;
do {
ret = subghz_block_generic_deserialize_check_count_bit(
&instance->generic,
flipper_format,
subghz_protocol_kinggates_stylo_4k_const.min_count_bit_for_found);
if(ret != SubGhzProtocolStatusOk) {
break;
}
if(!flipper_format_rewind(flipper_format)) {
FURI_LOG_E(TAG, "Rewind error");
ret = SubGhzProtocolStatusErrorParserOthers;
break;
}
uint8_t key_data[sizeof(uint64_t)] = {0};
if(!flipper_format_read_hex(flipper_format, "Data", key_data, sizeof(uint64_t))) {
FURI_LOG_E(TAG, "Missing Data");
ret = SubGhzProtocolStatusErrorParserOthers;
break;
}
for(uint8_t i = 0; i < sizeof(uint64_t); i++) {
instance->data = instance->data << 8 | key_data[i];
}
} while(false);
return ret;
}
void subghz_protocol_decoder_kinggates_stylo_4k_get_string(void* context, FuriString* output) {
furi_assert(context);
SubGhzProtocolDecoderKingGates_stylo_4k* instance = context;
subghz_protocol_kinggates_stylo_4k_remote_controller(
&instance->generic, instance->data, instance->keystore);
furi_string_cat_printf(
output,
"%s\r\n"
"Key:0x%llX%07llX %dbit\r\n"
"Sn:0x%08lX Btn:0x%01X\r\n"
"Cnt:0x%04lX\r\n",
instance->generic.protocol_name,
instance->generic.data,
instance->data,
instance->generic.data_count_bit,
instance->generic.serial,
instance->generic.btn,
instance->generic.cnt);
}
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