Merge branch 'main' of https://github.com/teddy-zhng/buffer-overflow-exercises

Author: teddy-zhng

Makefile

@@ -3,7 +3,7 @@
 all: server
 
 server: globals.c account_login.c high_score.c main_game_server.c tictactoe.c helper.c game_dispatcher.c 
-	gcc -g globals.c helper.c account_login.c high_score.c tictactoe.c game_dispatcher.c main_game_server.c -o server
+	gcc -Wall -g globals.c helper.c account_login.c high_score.c tictactoe.c game_dispatcher.c main_game_server.c -o server
 
 clean:
 	rm server

helper.c

@@ -14,6 +14,18 @@ bool handle_get_version(int client_fd, char* client_str) {
     return true;
 }
 
+void respond_buff_to_client(int fd, char* buff, int buff_len) {
+    int len_htonl = htonl(buff_len);
+    int err = send(fd, &len_htonl, sizeof(len_htonl), 0);
+    if (err < 0) {
+        perror("send len in respond_buff_to_client");
+    }
+    err = send(fd, buff, buff_len, 0);
+    if (err < 0) {
+        perror("send buff in respond_buff_to_client");
+    }   
+}
+
 void respond_str_to_client(int fd, char* str) {
 	int len_htonl = htonl(strlen(str));
 
@@ -76,7 +88,7 @@ int get_int_from_client(int client_fd) {
 bool get_buffer_from_client(int client_fd, char* output, int output_size) {
     int client_send_len;
     int bytes_read = recv(client_fd, &client_send_len, sizeof(client_send_len), 0);
-    
+
     if (bytes_read == -1) {
         perror("recv from get_str_from_client in len");
     }

high_score.c

@@ -13,8 +13,8 @@ char outro_message[MAX_BUF_SIZE] = {0};
 
 bool handle_reset_winner_data(int client_fd, char* client_str)
 {
-    memset(winners_list, sizeof(winners_list), 0);
-    memset(outro_message, sizeof(outro_message), 0);
+    memset(winners_list, 0, sizeof(winners_list));
+    memset(outro_message, 0, sizeof(outro_message));
     strcpy(outro_message, "\nBetter Luck to our other participants next time!\n" );
     return true;
 }