From 90e77abe08c4c19705200261f772972c2d033b0b Mon Sep 17 00:00:00 2001
From: hugo LAMY <hugo.lamy@oskey.io>
Date: Sun, 9 Mar 2025 03:00:00 +0100
Subject: [PATCH] nimp

---
 module02/ex04/main.c | 64 +++++++++++++++++++++++++++++++++++++++++---
 1 file changed, 61 insertions(+), 3 deletions(-)

diff --git a/module02/ex04/main.c b/module02/ex04/main.c
index bfe8496..16ac863 100644
--- a/module02/ex04/main.c
+++ b/module02/ex04/main.c
@@ -36,6 +36,9 @@ typedef enum {
 } State;
 volatile char username[] = "admin";
 volatile char password[] = "password";
+volatile char username_input[100] = {0};
+volatile char password_input[100] = {0};
+
 volatile int input_index = 0;
 volatile State state = USERNAME;
 volatile int input_match = FALSE;
@@ -79,12 +82,20 @@ ISR(USART_RX_vect) {																// Table 12-7 : we select the code for USART
 		uart_tx('\b');  // Move cursor back again
 	} else if (received_char == '\n' || received_char == '\r') {					// if enter is received
 		if (state == USERNAME) {
-			if (input_index == STRLEN_LITERAL(username) && input_match) {
+			// if (input_index == STRLEN_LITERAL(username) && input_match) {
+			// 	username_correct = TRUE;
+			// } else {
+			// 	username_correct = FALSE;
+			// 	uart_printstr("(error1)");
+			// }
+
+			if (compare_str(username_input, username, STRLEN_LITERAL(username))) {
 				username_correct = TRUE;
 			} else {
 				username_correct = FALSE;
 				uart_printstr("(error1)");
 			}
+
 			input_match = FALSE;
 			state = PASSWORD;
 			input_index = 0;
@@ -109,18 +120,65 @@ ISR(USART_RX_vect) {																// Table 12-7 : we select the code for USART
 			on_success();
 		}
 	} else {
+		fill_str(received_char);
 		if (state == USERNAME) {
-			check_str(received_char, username, STRLEN_LITERAL(username));
+			// check_str(received_char, username, STRLEN_LITERAL(username));
 			uart_tx(received_char);
 		}
 		else if (state == PASSWORD) {
-			check_str(received_char, password, STRLEN_LITERAL(password));
+			// check_str(received_char, password, STRLEN_LITERAL(password));
 			uart_tx('*');
 		}
 		input_index++;
 	}
 }
 
+void fill_str(char input) {
+	if (input_index >= 100) {
+		uart_printstr("(error8)");
+		return;
+	}
+	if (state == USERNAME) {
+		username_input[input_index] = input;
+	} else if (state == PASSWORD) {
+		password_input[input_index] = input;
+	}
+}
+
+int compare_str() {
+	char input_str[100] = {0};
+	char compare_str[100] = {0};
+	if (state == USERNAME) {
+		compare_str = username;
+		input_str = username_input;
+	} else if (state == PASSWORD) {
+		compare_str = password;
+		input_str = password_input;
+	}
+	int length = STRLEN_LITERAL(compare_str);
+	int index = 0;
+
+	while (*compare_str) {
+		if (index >= length) {
+			uart_printstr("(error5)");
+			return FALSE;
+		}
+		if (input_str[index] != *compare_str) {
+			uart_printstr("(error6)");
+			return FALSE;
+		}
+		compare_str++;
+		index++;
+	}
+
+	for (int i = 0; i < length; i++) {
+		if (input[i] != compare_str[i]) {
+			return FALSE;
+		}
+	}
+	return TRUE;
+}
+
 void check_str(char input, volatile char compare_str[], unsigned int length) {
 	if (input_index >= length) {														// index has not already been incremented, so we need to compare greater or equal
 		uart_printstr("(error5)");