added security vulnerabilities for sonarqube analysis

main.cpp

@@ -1,13 +1,38 @@
 #include <iostream>
 #include <cstring>
 #include "functions.h"
+#include <random>
+#include <string.h>
+#include <stdio.h>
+
+int generateRandomId() 
+{
+  int random_int = std::rand(); // Should use functions which rely on a strong random number generator, not a pseudo-random number generator becasuse it can be predicted
+  return random_int;
+}
+
+void bufferOverflow(char * input){
+    char buffer[20];
+    strcpy(buffer, input); // Noncompliant; `input` length is not checked and it may overflow `buffer`
+}
 
 int main()
 {
     int values[5] = {1,2,3,4,5};
     double avg = getAverage(values, 10);
     char array[10];
     void *pos = memchr(array, '@', 42);
-    std::cout << avg;
+    std::cout << avg << std::endl;
+
+    // Random Id issue
+    int id = generateRandomId();
+    std::cout << "Random'ish id = " << id << std::endl;
+
+    // Hardcoded IP issue
+    char host[10];
+    strcpy(host, "10.10.0.1"); // Sensitive
+    std::cout << "Hardcoded Server IP = " << id << std::endl;
+
+    return 0;
 }