[sedwards] 39428: - Make telnetd only slightly more RFC-compatible Thanks to Fedora Anaconda telnet code as an example. This allows us to actually get an echo back on the screen when we type commands.

Author: sedwards
Date: Thu Feb  5 23:34:39 2009
New Revision: 39428

URL: http://svn.reactos.org/svn/reactos?rev=39428&view=rev
Log:
 - Make telnetd only slightly more RFC-compatible
Thanks to Fedora Anaconda telnet code as an example.
This allows us to actually get an echo back on the
screen when we type commands.

Modified:
    trunk/rosapps/applications/sysutils/telnetd/telnetd.c

Modified: trunk/rosapps/applications/sysutils/telnetd/telnetd.c
URL: http://svn.reactos.org/svn/reactos/trunk/rosapps/applications/sysutils/telne...
==============================================================================
--- trunk/rosapps/applications/sysutils/telnetd/telnetd.c [iso-8859-1] (original)
+++ trunk/rosapps/applications/sysutils/telnetd/telnetd.c [iso-8859-1] Thu Feb  5 23:34:39 2009
@@ -35,12 +35,21 @@
 #define LF               (10)
 #define DEL             (127)

-#define IAC             (255)
-#define DONT            (254)
-#define WONT            (253)
-#define DO              (252)
-#define WILL            (251)
-#define ECHO            (1)
+#define IAC "\xff"
+#define DONT "\xfe"
+#define WONT "\xfc"
+#define WILL "\xfb"
+#define DO "\xfd"
+#define SB "\xfa"
+#define SE "\xf0"
+#define ECHO "\x01"
+#define SUPPRESS_GO_AHEAD "\x03"
+#define TERMINAL_TYPE "\x18"
+#define NAWS "\x1f"
+#define LINEMODE "\x22"
+#define NEWENVIRON "\x27"
+#define MODE "\x01"
+

#define HANDSHAKE_TIMEOUT (3)

@@ -300,10 +309,23 @@
   int received;
   fd_set set;
   struct timeval timeout = { HANDSHAKE_TIMEOUT, 0 };
-  unsigned char will_echo[3] = { IAC, WILL, ECHO };
+
+  char will_echo[]=
+      IAC DONT ECHO
+      IAC WILL ECHO
+      IAC WILL NAWS
+      IAC WILL SUPPRESS_GO_AHEAD
+      IAC DO SUPPRESS_GO_AHEAD
+      IAC DONT NEWENVIRON
+      IAC WONT NEWENVIRON
+      IAC WONT LINEMODE
+      IAC DO NAWS
+      IAC SB TERMINAL_TYPE "\x01" IAC SE
+      ;
+
   unsigned char client_reply[256];

-  if (send(sock, (const char *) will_echo, sizeof(will_echo), 0) < 0) {   
+  if (send(sock, will_echo, sizeof(will_echo), 0) < 0) {   
     return -1;
   }

@@ -682,3 +704,4 @@
    }
    ExitProcess(0); 
 } 
+