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vnscommand.h
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vnscommand.h
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/*-----------------------------------------------------------------------------
File: vnscommand.h
Date: Sat Apr 06 21:58:07 PST 2002
Contact: casado@stanford.edu
Description:
A c-style declaration of commands for the virtual router.
---------------------------------------------------------------------------*/
#ifndef __VNSCOMMAND_H
#define __VNSCOMMAND_H
#define VNSOPEN 1
#define VNSCLOSE 2
#define VNSPACKET 4
#define VNSBANNER 8
#define VNSHWINFO 16
#define IDSIZE 32
/*-----------------------------------------------------------------------------
BASE
---------------------------------------------------------------------------*/
typedef struct
{
uint32_t mLen;
uint32_t mType;
}__attribute__ ((__packed__)) c_base;
/*-----------------------------------------------------------------------------
OPEN
---------------------------------------------------------------------------*/
typedef struct
{
uint32_t mLen;
uint32_t mType; /* = VNSOPEN */
uint16_t topoID; /* Id of the topology we want to run on */
uint16_t pad; /* unused */
char mVirtualHostID[IDSIZE]; /* Id of the simulated router (e.g.
'VNS-A'); */
char mUID[IDSIZE]; /* User id (e.g. "appenz"), for information only */
char mPass[IDSIZE];
}__attribute__ ((__packed__)) c_open;
/*-----------------------------------------------------------------------------
CLOSE
---------------------------------------------------------------------------*/
typedef struct
{
uint32_t mLen;
uint32_t mType;
char mErrorMessage[256];
}__attribute__ ((__packed__)) c_close;
/*-----------------------------------------------------------------------------
HWREQUEST
---------------------------------------------------------------------------*/
typedef struct
{
uint32_t mLen;
uint32_t mType;
}__attribute__ ((__packed__)) c_hwrequest;
/*-----------------------------------------------------------------------------
BANNER
---------------------------------------------------------------------------*/
typedef struct
{
uint32_t mLen;
uint32_t mType;
char mBannerMessage[256];
}__attribute__ ((__packed__)) c_banner;
/*-----------------------------------------------------------------------------
PACKET (header)
---------------------------------------------------------------------------*/
typedef struct
{
uint32_t mLen;
uint32_t mType;
char mInterfaceName[16];
uint8_t ether_dhost[6];
uint8_t ether_shost[6];
uint16_t ether_type;
}__attribute__ ((__packed__)) c_packet_ethernet_header;
typedef struct
{
uint32_t mLen;
uint32_t mType;
char mInterfaceName[16];
}__attribute__ ((__packed__)) c_packet_header;
/*-----------------------------------------------------------------------------
HWInfo
----------------------------------------------------------------------------*/
#define HWINTERFACE 1
#define HWSPEED 2
#define HWSUBNET 4
#define HWINUSE 8
#define HWFIXEDIP 16
#define HWETHER 32
#define HWETHIP 64
#define HWMASK 128
typedef struct
{
uint32_t mKey;
char value[32];
}__attribute__ ((__packed__)) c_hw_entry;
typedef struct
{
#define MAXHWENTRIES 256
uint32_t mLen;
uint32_t mType;
c_hw_entry mHWInfo[MAXHWENTRIES];
}__attribute__ ((__packed__)) c_hwinfo;
/* ******* New VNS Messages ******** */
#define VNS_RTABLE 32
#define VNS_OPEN_TEMPLATE 64
#define VNS_AUTH_REQUEST 128
#define VNS_AUTH_REPLY 256
#define VNS_AUTH_STATUS 512
/* rtable */
typedef struct
{
uint32_t mLen;
uint32_t mType;
char mVirtualHostID[IDSIZE];
char rtable[0];
}__attribute__ ((__packed__)) c_rtable;
/* open template */
typedef struct {
uint32_t ip;
uint8_t num_masked_bits;
}__attribute__ ((__packed__)) c_src_filter;
typedef struct
{
uint32_t mLen;
uint32_t mType;
char templateName[30];
char mVirtualHostID[IDSIZE];
c_src_filter srcFilters[0];
}__attribute__ ((__packed__)) c_open_template;
/* authentication request */
typedef struct
{
uint32_t mLen;
uint32_t mType;
uint8_t salt[0];
}__attribute__ ((__packed__)) c_auth_request;
/* authentication reply */
typedef struct
{
uint32_t mLen;
uint32_t mType;
uint32_t usernameLen;
char username[0];
/* remainder of the message is the salted sha1 of the user's password */
}__attribute__ ((__packed__)) c_auth_reply;
/* authentication status (whether or not a reply was accepted) */
typedef struct
{
uint32_t mLen;
uint32_t mType;
uint8_t auth_ok;
char msg[0];
}__attribute__ ((__packed__)) c_auth_status;
#endif /* __VNSCOMMAND_H */