Add a TELNET server to the webserver project, which currently can list active TCP connections.

1 files changed, 166 insertions, 0 deletions

diff --git a/Projects/Webserver/Lib/DHCPClientApp.h b/Projects/Webserver/Lib/DHCPClientApp.h
new file mode 100644
index 000000000..947151d0b
--- /dev/null
+++ b/Projects/Webserver/Lib/DHCPClientApp.h
@@ -0,0 +1,166 @@
+/*

+             LUFA Library

+     Copyright (C) Dean Camera, 2010.

+              

+  dean [at] fourwalledcubicle [dot] com

+      www.fourwalledcubicle.com

+*/

+

+/*

+  Copyright 2010  Dean Camera (dean [at] fourwalledcubicle [dot] com)

+

+  Permission to use, copy, modify, distribute, and sell this 

+  software and its documentation for any purpose is hereby granted

+  without fee, provided that the above copyright notice appear in 

+  all copies and that both that the copyright notice and this

+  permission notice and warranty disclaimer appear in supporting 

+  documentation, and that the name of the author not be used in 

+  advertising or publicity pertaining to distribution of the 

+  software without specific, written prior permission.

+

+  The author disclaim all warranties with regard to this

+  software, including all implied warranties of merchantability

+  and fitness.  In no event shall the author be liable for any

+  special, indirect or consequential damages or any damages

+  whatsoever resulting from loss of use, data or profits, whether

+  in an action of contract, negligence or other tortious action,

+  arising out of or in connection with the use or performance of

+  this software.

+*/

+

+/** \file

+ *

+ *  Header file for DHCPClientApp.c.

+ */

+

+#ifndef _DHCPCLIENT_APP_H_

+#define _DHCPCLIENT_APP_H_

+

+	/* Includes: */

+		#include <stdio.h>

+		

+		#include <uip.h>

+		

+		#include "../Webserver.h"

+		

+	/* Macros: */

+		/** UDP listen port for a BOOTP server */

+		#define DHCPC_SERVER_PORT         67

+

+		/** UDP listen port for a BOOTP client */

+		#define DHCPC_CLIENT_PORT         68

+

+		/** BOOTP message type for a BOOTP REQUEST message */

+		#define DHCP_OP_BOOTREQUEST       0x01

+

+		/** BOOTP message type for a BOOTP REPLY message */

+		#define DHCP_OP_BOOTREPLY         0x02

+

+		/** BOOTP flag for a BOOTP broadcast message */

+		#define BOOTP_BROADCAST           0x8000

+		

+		/** Magic DHCP cookie for a BOOTP message to identify it as a DHCP message */

+		#define DHCP_MAGIC_COOKIE         0x63538263

+		

+		/** Unique transaction ID used to identify DHCP responses to the client */

+		#define DHCP_TRANSACTION_ID       0x13245466

+

+		/** DHCP message type for a DISCOVER message */

+		#define DHCP_DISCOVER             1

+

+		/** DHCP message type for an OFFER message */

+		#define DHCP_OFFER                2

+

+		/** DHCP message type for a REQUEST message */

+		#define DHCP_REQUEST              3

+

+		/** DHCP message type for a DECLINE message */

+		#define DHCP_DECLINE              4

+

+		/** DHCP message type for an ACK message */

+		#define DHCP_ACK                  5

+

+		/** DHCP message type for a NAK message */

+		#define DHCP_NAK                  6

+

+		/** DHCP message type for a RELEASE message */

+		#define DHCP_RELEASE              7

+

+		/** DHCP medium type for standard Ethernet */

+		#define DHCP_HTYPE_ETHERNET       1

+

+		/** DHCP message option for the network subnet mask */

+		#define DHCP_OPTION_SUBNET_MASK   1

+

+		/** DHCP message option for the network gateway IP */

+		#define DHCP_OPTION_ROUTER        3

+

+		/** DHCP message option for the network DNS server */

+		#define DHCP_OPTION_DNS_SERVER    6

+

+		/** DHCP message option for the requested client IP address */

+		#define DHCP_OPTION_REQ_IPADDR    50

+

+		/** DHCP message option for the IP address lease time */

+		#define DHCP_OPTION_LEASE_TIME    51

+

+		/** DHCP message option for the DHCP message type */

+		#define DHCP_OPTION_MSG_TYPE      53

+		

+		/** DHCP message option for the DHCP server IP */		

+		#define DHCP_OPTION_SERVER_ID     54

+

+		/** DHCP message option for the list of required options from the server */

+		#define DHCP_OPTION_REQ_LIST      55

+

+		/** DHCP message option for the options list terminator */

+		#define DHCP_OPTION_END           255

+

+	/* Type Defines: */

+		/** Type define for a DHCP packet inside an Ethernet frame. */

+		typedef struct

+		{

+			uint8_t  Operation; /**< DHCP operation, either DHCP_OP_BOOTREQUEST or DHCP_OP_BOOTREPLY */

+			uint8_t  HardwareType; /**< Hardware carrier type constant */

+			uint8_t  HardwareAddressLength;  /**< Length in bytes of a hardware (MAC) address on the network */

+			uint8_t  Hops; /**< Number of hops required to reach the server, unused */

+

+			uint32_t TransactionID; /**< Unique ID of the DHCP packet, for positive matching between sent and received packets */

+

+			uint16_t ElapsedSeconds; /**< Elapsed seconds since the request was made */

+			uint16_t Flags; /**< BOOTP packet flags */

+			

+			uip_ipaddr_t ClientIP; /**< Client IP address, if already leased an IP */

+			uip_ipaddr_t YourIP; /**< Client IP address */

+			uip_ipaddr_t NextServerIP; /**< Legacy BOOTP protocol field, unused for DHCP */

+			uip_ipaddr_t RelayAgentIP; /**< Legacy BOOTP protocol field, unused for DHCP */

+			

+			uint8_t ClientHardwareAddress[16]; /**< Hardware (MAC) address of the client making a request to the DHCP server */

+			uint8_t ServerHostnameString[64]; /**< Legacy BOOTP protocol field, unused for DHCP */

+			uint8_t BootFileName[128]; /**< Legacy BOOTP protocol field, unused for DHCP */

+			

+			uint32_t Cookie; /**< Magic BOOTP protocol cookie to indicate a valid packet */

+			

+			uint8_t  Options[]; /** DHCP message options */

+		} DHCP_Header_t;

+

+	/* Enums: */

+		/** States for each DHCP connection to a DHCP client. */

+		enum DHCP_States_t

+		{

+			DHCP_STATE_SendDiscover,  /**< Send DISCOVER packet to retrieve DHCP lease offers */

+			DHCP_STATE_WaitForOffer,  /**< Waiting for OFFER packet giving available DHCP leases */

+			DHCP_STATE_SendRequest,   /**< Send REQUEST packet to request a DHCP lease */

+			DHCP_STATE_WaitForACK,    /**< Wait for ACK packet to complete the DHCP lease */

+			DHCP_STATE_AddressLeased, /**< DHCP address has been leased from a DHCP server */

+		};

+

+	/* Function Prototypes: */

+		void DHCPClientApp_Init(void);

+		void DHCPClientApp_Callback(void);

+		

+		uint16_t DHCPClientApp_FillDHCPHeader(DHCP_Header_t* DHCPHeader, uint8_t DHCPMessageType, uip_udp_appstate_t* AppState);

+		uint8_t  DHCPClientApp_SetOption(uint8_t* DHCPOptionList, uint8_t Option, uint8_t DataLen, void* OptionData);

+		bool     DHCPClientApp_GetOption(uint8_t* DHCPOptionList, uint8_t Option, void* Destination);

+		

+#endif