diff --git a/fileserver.py b/fileserver.py
index f634334..f29110a 100755
--- a/fileserver.py
+++ b/fileserver.py
@@ -50,6 +50,15 @@ class FileServerRequestHandler(BaseHTTPRequestHandler):
         res = requests.request(method, target_rewrite, headers=self.headers, data=data)
         return res.status_code, res.content, res.headers
 
+    def read_body(self):
+        if not hasattr(self, "body"):
+            content_length = self.headers.get('Content-Length')
+            if content_length and int(content_length) > 0:
+                self.body = self.rfile.read(int(content_length))
+            else:
+                self.body = None
+
+        return self.body
 
     def find_route(self, path):
 
@@ -111,14 +120,12 @@ class FileServerRequestHandler(BaseHTTPRequestHandler):
             self.end_headers()
 
             if data and self.command.upper() not in ["HEAD","OPTIONS"]:
+                if isinstance(data, str):
+                    data = data.encode()
                 self.wfile.write(data)
 
             if (path in self.server.dumpRequests or "/" in self.server.dumpRequests) and path != "/dummy":
-                content_length = self.headers.get('Content-Length')
-                body = None
-
-                if content_length and int(content_length) > 0:
-                    body = self.rfile.read(int(content_length))
+                body = self.read_body()
 
                 print("===== Connection from:",self.client_address[0])
                 print("%s %s %s" % (self.command, self.path, self.request_version))
diff --git a/xp_cmdshell.py b/xp_cmdshell.py
old mode 100644
new mode 100755
index 1cdabc2..c2ad265
--- a/xp_cmdshell.py
+++ b/xp_cmdshell.py
@@ -1,9 +1,11 @@
-# /usr/bin/env python3
+#!/usr/bin/env python3
+
 # interactive xp_cmdshell
 # with impacket and cmd
 # used https://github.com/SecureAuthCorp/impacket/blob/master/examples/mssqlclient.py for reference
 import base64
 import cmd
+import argparse
 
 from impacket import tds
 
@@ -163,8 +165,14 @@ if __name__ == '__main__':
     # if len(sys.argv) > 1 and sys.argv[1] == '-powershell':
     #     pwsh = True
 
+    parser = argparse.ArgumentParser(description="Connect to mssql server using username, password, and hostname.")
+    parser.add_argument('-u', '--username', required=True, help="Username for the server")
+    parser.add_argument('-p', '--password', required=True, help="Password for the server")
+    parser.add_argument('-H', '--hostname', required=True, help="Hostname or IP address of the server")
+    args = parser.parse_args()
+
     # if connection successful
-    xp_shell = connect_mssql("teignton.htb", username="webappusr", password="d65f4sd5f1s!df1fsd65f1sd")
+    xp_shell = connect_mssql(args.hostname, username=args.username, password=args.password)
     if isinstance(xp_shell, XpShell):
         xp_shell.do_enable_xp_cmdshell()
         xp_shell.pwsh = True