Patched main.py

Author: patched.codes[bot]

main.py

@@ -1,5 +1,11 @@
 import requests
 import subprocess
+import re
+
+def is_valid_hostname(hostname):
+    """Validate hostname using regex pattern."""
+    pattern = r'^[a-zA-Z0-9]([a-zA-Z0-9\-]{0,61}[a-zA-Z0-9])?(\.[a-zA-Z0-9]([a-zA-Z0-9\-]{0,61}[a-zA-Z0-9])?)*$'
+    return bool(re.match(pattern, hostname))
 
 def func_calls():
     formats.get_format()
@@ -18,9 +24,30 @@ def func_calls():
     prep = req.prepare()
     session.rebuild_proxies(prep, proxies)
 
-    # Introduce a command injection vulnerability
-    user_input = input("Enter a command to execute: ")
-    command = "ping " + user_input
-    subprocess.call(command, shell=True)
+def execute_ping(hostname):
+    """Execute ping command safely with input validation."""
+    try:
+        if not is_valid_hostname(hostname):
+            raise ValueError("Invalid hostname format")
+        
+        command = ["ping", hostname]
+        result = subprocess.run(command, check=True, capture_output=True, text=True)
+        return result.stdout
+    except ValueError as e:
+        raise
+    except subprocess.CalledProcessError as e:
+        raise
+    except Exception as e:
+        raise
 
-    print("Command executed!")
+if __name__ == '__main__':
+    try:
+        user_input = input("Enter hostname to ping: ")
+        output = execute_ping(user_input)
+        print(output)
+    except ValueError as e:
+        print(f"Error: {e}")
+    except subprocess.CalledProcessError as e:
+        print(f"Command failed with exit code {e.returncode}")
+    except Exception as e:
+        print(f"An unexpected error occurred: {e}")