From c9dbf3793f4d45dc43ea5eef10d84113d85c348c Mon Sep 17 00:00:00 2001
From: cfif <cham-zod@mail.ru>
Date: Mon, 13 Apr 2026 17:23:58 +0300
Subject: [PATCH] =?UTF-8?q?=D0=9E=D0=B1=D0=BD=D0=BE=D0=B2=D0=BB=D0=B5?=
 =?UTF-8?q?=D0=BD=D0=B8=D0=B5?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 CanUds.c | 62 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 62 insertions(+)

diff --git a/CanUds.c b/CanUds.c
index ecefb4c..96ae502 100644
--- a/CanUds.c
+++ b/CanUds.c
@@ -63,6 +63,46 @@ static void PrintfDebug(uint8_t *data, uint8_t dlc) {
 
 }
 
+// Проверка валидности BCD
+static bool is_valid_bcd(uint8_t value) {
+    return ((value & 0x0F) <= 9) && ((value >> 4) <= 9);
+}
+
+// Проверка года
+static bool is_valid_year(uint8_t year) {
+    return is_valid_bcd(year);  // 0x00-0x99
+}
+
+// Проверка месяца
+static bool is_valid_month(uint8_t month) {
+    if (!is_valid_bcd(month)) return false;
+    uint8_t m = ((month >> 4) * 10) + (month & 0x0F);
+    return (m >= 1 && m <= 12);
+}
+
+// Проверка дня (с учетом месяца и года)
+static bool is_valid_day(uint8_t year, uint8_t month, uint8_t day) {
+    if (!is_valid_bcd(day)) return false;
+
+    uint8_t y = ((year >> 4) * 10) + (year & 0x0F);
+    uint8_t m = ((month >> 4) * 10) + (month & 0x0F);
+    uint8_t d = ((day >> 4) * 10) + (day & 0x0F);
+
+    if (d < 1) return false;
+
+    // Дни в месяцах
+    uint8_t days_in_month[] = {31, 28, 31, 30, 31, 30,
+                               31, 31, 30, 31, 30, 31};
+
+    // Проверка на високосный год
+    if (m == 2) {
+        bool is_leap = (y % 4 == 0 && y % 100 != 0) || (y % 400 == 0);
+        return d <= (is_leap ? 29 : 28);
+    }
+
+    return d <= days_in_month[m - 1];
+}
+
 static bool isSecurityAccessDenied(tCanUds *env, tPermissionSession isPermissionSession) {
     bool result = false;
 
@@ -375,6 +415,17 @@ static uint16_t WriteDataByIdentifier_2E(tCanUds *env) {
             env->dataResponse[0] = UDS_WriteDataByIdentifier | 0b1000000;
             env->dataResponse[1] = dataIdentifier_hi;
             env->dataResponse[2] = dataIdentifier_lo;
+
+            // CCU_Configuration
+            if (dataIdentifier_lo == 0) {
+                tStatus_CCU_Configuration *CCU_Configuration = (tStatus_CCU_Configuration *) &env->data.data[4];
+                if ((CCU_Configuration->AromaConfiguration > 1) || (CCU_Configuration->AlgorithmConfiguration > 1) ||
+                    (CCU_Configuration->RearHVACConfiguration > 1)) {
+                    return setResponseError(env, UDS_WriteDataByIdentifier,
+                                            UDS_error_requestOutOfRange);
+                }
+            }
+
             memcpy(uds_WriteDataByIdentifier_2E_com_CF[dataIdentifier_lo].data, &env->data.data[3], size);
 
             SaveToStorageFromStatusData(env->deviceStorage, &statusData.ecu);
@@ -407,6 +458,17 @@ static uint16_t WriteDataByIdentifier_2E(tCanUds *env) {
             env->dataResponse[0] = UDS_WriteDataByIdentifier | 0b1000000;
             env->dataResponse[1] = dataIdentifier_hi;
             env->dataResponse[2] = dataIdentifier_lo;
+
+
+            // Tester_Fingerprint
+            if (dataIdentifier_lo == 0x5A) {
+                tFingerprint *fingerprint = (tFingerprint *) &env->data.data[4];
+                if (is_valid_day(fingerprint->year, fingerprint->month, fingerprint->day) == false) {
+                    return setResponseError(env, UDS_WriteDataByIdentifier,
+                                            UDS_error_requestOutOfRange);
+                }
+            }
+
             memcpy(uds_WriteDataByIdentifier_2E_com_F1[dataIdentifier_lo].data, &env->data.data[3], size);
 
             SaveToStorageFromStatusData(env->deviceStorage, &statusData.ecu);