6d45770d98
Move command registry from components/command/ into components/core/. New modules: mod_canbus, mod_honeypot, mod_fallback, mod_redteam, mod_ota. Replace mod_proxy with tun_core (multiplexed SOCKS5 tunnel). Kconfig extended with per-module settings and async worker config.
102 lines
3.3 KiB
C
102 lines
3.3 KiB
C
/*
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* canbus_uds.h
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* UDS (ISO 14229) diagnostic services over ISO-TP.
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*/
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#pragma once
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#include <stdint.h>
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#include <stddef.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* ============================================================
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* UDS Service IDs
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* ============================================================ */
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#define UDS_DIAG_SESSION_CTRL 0x10
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#define UDS_ECU_RESET 0x11
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#define UDS_CLEAR_DTC 0x14
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#define UDS_READ_DTC_INFO 0x19
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#define UDS_READ_DATA_BY_ID 0x22
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#define UDS_READ_MEM_BY_ADDR 0x23
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#define UDS_SECURITY_ACCESS 0x27
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#define UDS_COMM_CTRL 0x28
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#define UDS_WRITE_DATA_BY_ID 0x2E
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#define UDS_IO_CTRL 0x2F
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#define UDS_ROUTINE_CTRL 0x31
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#define UDS_REQUEST_DOWNLOAD 0x34
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#define UDS_REQUEST_UPLOAD 0x35
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#define UDS_TRANSFER_DATA 0x36
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#define UDS_TRANSFER_EXIT 0x37
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#define UDS_TESTER_PRESENT 0x3E
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/* Session types */
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#define UDS_SESSION_DEFAULT 0x01
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#define UDS_SESSION_PROGRAMMING 0x02
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#define UDS_SESSION_EXTENDED 0x03
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/* Negative Response Codes */
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#define UDS_NRC_GENERAL_REJECT 0x10
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#define UDS_NRC_SERVICE_NOT_SUPPORTED 0x11
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#define UDS_NRC_SUBFUNCTION_NOT_SUPPORTED 0x12
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#define UDS_NRC_INCORRECT_LENGTH 0x13
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#define UDS_NRC_RESPONSE_PENDING 0x78
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#define UDS_NRC_SECURITY_ACCESS_DENIED 0x33
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#define UDS_NRC_INVALID_KEY 0x35
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#define UDS_NRC_EXCEEDED_ATTEMPTS 0x36
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#define UDS_NRC_CONDITIONS_NOT_MET 0x22
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/* ============================================================
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* UDS Context
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* ============================================================ */
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typedef struct {
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uint32_t tx_id; /* Request CAN ID (e.g. 0x7E0) */
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uint32_t rx_id; /* Response CAN ID (e.g. 0x7E8) */
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int timeout_ms; /* Response timeout */
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uint8_t session; /* Current session type */
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bool security_unlocked;
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} uds_ctx_t;
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/* ============================================================
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* High-Level UDS API
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* ============================================================ */
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/* DiagnosticSessionControl (0x10) */
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int uds_diagnostic_session(uds_ctx_t *ctx, uint8_t session_type);
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/* TesterPresent (0x3E) — keep-alive */
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int uds_tester_present(uds_ctx_t *ctx);
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/* ReadDataByIdentifier (0x22) — returns data length or -1 */
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int uds_read_data_by_id(uds_ctx_t *ctx, uint16_t did,
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uint8_t *out, size_t cap);
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/* SecurityAccess (0x27) — request seed */
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int uds_security_access_seed(uds_ctx_t *ctx, uint8_t level,
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uint8_t *seed, size_t *seed_len);
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/* SecurityAccess (0x27) — send key */
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int uds_security_access_key(uds_ctx_t *ctx, uint8_t level,
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const uint8_t *key, size_t key_len);
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/* ReadMemoryByAddress (0x23) — returns data length or -1 */
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int uds_read_memory(uds_ctx_t *ctx, uint32_t addr, uint16_t size,
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uint8_t *out);
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/* Raw UDS request — returns response length or -1 */
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int uds_raw_request(uds_ctx_t *ctx,
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const uint8_t *req, size_t req_len,
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uint8_t *resp, size_t resp_cap, size_t *resp_len);
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/* ECU discovery: send TesterPresent to 0x7E0-0x7EF, report responders */
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int uds_scan_ecus(uint32_t *found_ids, int max_ecus);
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/* Get human-readable NRC name */
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const char *uds_nrc_name(uint8_t nrc);
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#ifdef __cplusplus
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}
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#endif
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