Added public files

Roughly added all public files. Probably missed some, though.
diff --git a/secure/udp/mail.c b/secure/udp/mail.c
new file mode 100644
index 0000000..04f8651
--- /dev/null
+++ b/secure/udp/mail.c
@@ -0,0 +1,64 @@
+// MorgenGrauen MUDlib
+//
+// mail.c
+//
+// $Id: mail.c 6081 2006-10-23 14:12:34Z Zesstra $
+
+/*
+ * VERSION 1.0
+ * udp module for the UDP MAIL system (Author: Alvin@Sushi)
+ * Requires INETD V0.60 or higher (INETD Author: Nostradamus@Zebedee)
+ */
+
+#include <udp.h>
+#include <udp_mail.h>
+
+/*
+#define DEBUG(msg) if (find_player("hate")) tell_object(find_player("hate"),msg)
+*/
+#undef DEBUG
+#define DEBUG(x)
+
+void udp_mail(mapping data)
+{
+  DEBUG(sprintf("UDPMAIL %O\n",data));
+  if(!member(data,RECIPIENT) || !data[RECIPIENT])
+    {
+      log_file("INETD","Invalid udp_mail packet. No Recipient.\n");
+      return;
+    }
+
+  if(!LOCAL_MAILER->query_recipient_ok(data[RECIPIENT]))
+    {
+      INETD->_send_udp(data[NAME], ([
+	    REQUEST: REPLY,
+	    RECIPIENT: data[SENDER],
+	    UDPM_STATUS: UDPM_STATUS_UNKNOWN_PLAYER,
+	    UDPM_WRITER: data[UDPM_WRITER],
+	    UDPM_SPOOL_NAME: data[UDPM_SPOOL_NAME],
+	    ID: data[ID],
+	    DATA: "Reason: Unknown player \""+capitalize(data[RECIPIENT])+
+		"\"\n\nINCLUDED MESSAGE FOLLOWS :-\n\n"+
+		"Subject: "+data[UDPM_SUBJECT]+"\n"+data[DATA]
+      ]) );
+
+      return;
+    }
+
+  LOCAL_MAILER->deliver_mail(
+	data[RECIPIENT],			/* To */
+	data[UDPM_WRITER]+"@"+data[NAME],	/* From */
+	data[UDPM_SUBJECT],			/* Subj */
+	data[DATA]				/* Mail Body */
+  );
+
+  INETD->_send_udp(data[NAME], ([
+	    REQUEST: REPLY,
+	    RECIPIENT: data[SENDER],
+	    UDPM_STATUS: UDPM_STATUS_DELIVERED_OK,
+	    UDPM_WRITER: data[UDPM_WRITER],
+	    UDPM_SPOOL_NAME: data[UDPM_SPOOL_NAME],
+	    ID: data[ID],
+	    DATA: data[RECIPIENT]
+  ]) );
+}