From 832929c15b71841fca99aaa07f9fb5f06f6a111b Mon Sep 17 00:00:00 2001
From: Thiago Kenji Okada <thiago.mast3r@gmail.com>
Date: Thu, 28 Jan 2016 15:39:06 -0200
Subject: [PATCH] Print parsed command when it is invalid

Remove carriage return first before sending command back to the client.
---
 source/ftp.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/source/ftp.c b/source/ftp.c
index 4b4ed87..d6accd1 100644
--- a/source/ftp.c
+++ b/source/ftp.c
@@ -1234,7 +1234,11 @@ ftp_session_read_command(ftp_session_t *session,
       /* execute the command */
       if(command == NULL)
       {
-        ftp_send_response(session, 502, "invalid command\r\n");
+        /* remove CRLF from buffer, if exists */
+        char *crlf_loc = strstr(buffer, "\r\n");
+        if (crlf_loc)
+          *crlf_loc = '\0';
+        ftp_send_response(session, 502, "Invalid command \"%s\"\r\n", buffer);
       }
       else if(session->state != COMMAND_STATE)
       {