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Updated code

This commit is contained in:
adamdunkels 2006-10-09 11:53:56 +00:00
parent a2befb9dd0
commit 528760f924
2 changed files with 70 additions and 66 deletions
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131
core/net/tcpdump.c
View File

@ -28,7 +28,7 @@
* *
* This file is part of the Contiki operating system. * This file is part of the Contiki operating system.
* *
* @(#)$Id: tcpdump.c,v 1.1 2006/06/17 22:41:18 adamdunkels Exp $ * @(#)$Id: tcpdump.c,v 1.2 2006/10/09 11:53:56 adamdunkels Exp $
*/ */
#include "contiki-net.h" #include "contiki-net.h"
@ -39,14 +39,14 @@
struct ip_hdr { struct ip_hdr {
/* IP header. */ /* IP header. */
u8_t vhl, u8_t vhl,
tos, tos,
len[2], len[2],
ipid[2], ipid[2],
ipoffset[2], ipoffset[2],
ttl, ttl,
proto; proto;
u16_t ipchksum; u16_t ipchksum;
u8_t srcipaddr[4], u8_t srcipaddr[4],
destipaddr[4]; destipaddr[4];
}; };
@ -61,48 +61,48 @@
struct tcpip_hdr { struct tcpip_hdr {
/* IP header. */ /* IP header. */
u8_t vhl, u8_t vhl,
tos, tos,
len[2], len[2],
ipid[2], ipid[2],
ipoffset[2], ipoffset[2],
ttl, ttl,
proto; proto;
u16_t ipchksum; u16_t ipchksum;
u8_t srcipaddr[4], u8_t srcipaddr[4],
destipaddr[4]; destipaddr[4];
/* TCP header. */ /* TCP header. */
u16_t srcport, u16_t srcport,
destport; destport;
u8_t seqno[4], u8_t seqno[4],
ackno[4], ackno[4],
tcpoffset, tcpoffset,
flags, flags,
wnd[2]; wnd[2];
u16_t tcpchksum; u16_t tcpchksum;
u8_t urgp[2]; u8_t urgp[2];
u8_t optdata[4]; u8_t optdata[4];
}; };
#define ICMP_ECHO_REPLY 0 #define ICMP_ECHO_REPLY 0
#define ICMP_ECHO 8 #define ICMP_ECHO 8
struct icmpip_hdr { struct icmpip_hdr {
/* IP header. */ /* IP header. */
u8_t vhl, u8_t vhl,
tos, tos,
len[2], len[2],
ipid[2], ipid[2],
ipoffset[2], ipoffset[2],
ttl, ttl,
proto; proto;
u16_t ipchksum; u16_t ipchksum;
u8_t srcipaddr[4], u8_t srcipaddr[4],
destipaddr[4]; destipaddr[4];
/* The ICMP and IP headers. */ /* The ICMP and IP headers. */
/* ICMP (echo) header. */ /* ICMP (echo) header. */
u8_t type, icode; u8_t type, icode;
u16_t icmpchksum; u16_t icmpchksum;
u16_t id, seqno; u16_t id, seqno;
}; };
@ -110,14 +110,14 @@ struct icmpip_hdr {
struct udpip_hdr { struct udpip_hdr {
/* IP header. */ /* IP header. */
u8_t vhl, u8_t vhl,
tos, tos,
len[2], len[2],
ipid[2], ipid[2],
ipoffset[2], ipoffset[2],
ttl, ttl,
proto; proto;
u16_t ipchksum; u16_t ipchksum;
u8_t srcipaddr[4], u8_t srcipaddr[4],
destipaddr[4]; destipaddr[4];
/* UDP header. */ /* UDP header. */
@ -127,11 +127,11 @@ struct udpip_hdr {
u16_t udpchksum; u16_t udpchksum;
}; };
#define ETHBUF ((struct eth_hdr *)&uip_buf[0]) #define ETHBUF ((struct eth_hdr *)&packet[0])
#define IPBUF ((struct ip_hdr *)&uip_buf[UIP_LLH_LEN]) #define IPBUF ((struct ip_hdr *)&packet[0])
#define UDPBUF ((struct udpip_hdr *)&uip_buf[UIP_LLH_LEN]) #define UDPBUF ((struct udpip_hdr *)&packet[0])
#define ICMPBUF ((struct icmpip_hdr *)&uip_buf[UIP_LLH_LEN]) #define ICMPBUF ((struct icmpip_hdr *)&packet[0])
#define TCPBUF ((struct tcpip_hdr *)&uip_buf[UIP_LLH_LEN]) #define TCPBUF ((struct tcpip_hdr *)&packet[0])
/*---------------------------------------------------------------------------*/ /*---------------------------------------------------------------------------*/
@ -157,7 +157,7 @@ tcpflags(unsigned char flags, char *flagsstr)
*flagsstr = 0; *flagsstr = 0;
} }
/*---------------------------------------------------------------------------*/ /*---------------------------------------------------------------------------*/
static char * CC_FASTCALL static char * CC_FASTCALL
n(u16_t num, char *ptr) n(u16_t num, char *ptr)
{ {
u16_t d; u16_t d;
@ -165,7 +165,7 @@ n(u16_t num, char *ptr)
if(num == 0) { if(num == 0) {
*ptr = '0'; *ptr = '0';
return ptr + 1; return ptr + 1;
} else { } else {
f = 0; f = 0;
for(d = 10000; d >= 1; d /= 10) { for(d = 10000; d >= 1; d /= 10) {
@ -180,7 +180,7 @@ n(u16_t num, char *ptr)
return ptr; return ptr;
} }
/*---------------------------------------------------------------------------*/ /*---------------------------------------------------------------------------*/
static char * CC_FASTCALL static char * CC_FASTCALL
d(char *ptr) d(char *ptr)
{ {
*ptr = '.'; *ptr = '.';
@ -195,20 +195,21 @@ s(char *str, char *ptr)
} }
/*---------------------------------------------------------------------------*/ /*---------------------------------------------------------------------------*/
int int
tcpdump_print(char *buf, u16_t buflen) tcpdump_format(u8_t *packet, u16_t packetlen,
char *buf, u16_t buflen)
{ {
char flags[8]; char flags[8];
if(IPBUF->proto == UIP_PROTO_ICMP) { if(IPBUF->proto == UIP_PROTO_ICMP) {
if(ICMPBUF->type == ICMP_ECHO) { if(ICMPBUF->type == ICMP_ECHO) {
return s(" ping", return s(" ping",
n(IPBUF->destipaddr[3], d( n(IPBUF->destipaddr[3], d(
n(IPBUF->destipaddr[2], d( n(IPBUF->destipaddr[2], d(
n(IPBUF->destipaddr[1], d( n(IPBUF->destipaddr[1], d(
n(IPBUF->destipaddr[0], n(IPBUF->destipaddr[0],
s(" ", s(" ",
n(IPBUF->srcipaddr[3], d( n(IPBUF->srcipaddr[3], d(
n(IPBUF->srcipaddr[2], d( n(IPBUF->srcipaddr[2], d(
n(IPBUF->srcipaddr[1], d( n(IPBUF->srcipaddr[1], d(
n(IPBUF->srcipaddr[0], n(IPBUF->srcipaddr[0],
buf)))))))))))))))) - buf; buf)))))))))))))))) - buf;
@ -220,13 +221,13 @@ tcpdump_print(char *buf, u16_t buflen)
} else if(ICMPBUF->type == ICMP_ECHO_REPLY) { } else if(ICMPBUF->type == ICMP_ECHO_REPLY) {
return s(" pong", return s(" pong",
n(IPBUF->destipaddr[3], d( n(IPBUF->destipaddr[3], d(
n(IPBUF->destipaddr[2], d( n(IPBUF->destipaddr[2], d(
n(IPBUF->destipaddr[1], d( n(IPBUF->destipaddr[1], d(
n(IPBUF->destipaddr[0], n(IPBUF->destipaddr[0],
s(" ", s(" ",
n(IPBUF->srcipaddr[3], d( n(IPBUF->srcipaddr[3], d(
n(IPBUF->srcipaddr[2], d( n(IPBUF->srcipaddr[2], d(
n(IPBUF->srcipaddr[1], d( n(IPBUF->srcipaddr[1], d(
n(IPBUF->srcipaddr[0], n(IPBUF->srcipaddr[0],
buf)))))))))))))))) - buf; buf)))))))))))))))) - buf;
/* return sprintf(buf, "%d.%d.%d.%d %d.%d.%d.%d pong", /* return sprintf(buf, "%d.%d.%d.%d %d.%d.%d.%d pong",
@ -237,16 +238,16 @@ tcpdump_print(char *buf, u16_t buflen)
} }
} else if(IPBUF->proto == UIP_PROTO_UDP) { } else if(IPBUF->proto == UIP_PROTO_UDP) {
return s(" UDP", return s(" UDP",
n(htons(UDPBUF->destport), d( n(htons(UDPBUF->destport), d(
n(IPBUF->destipaddr[3], d( n(IPBUF->destipaddr[3], d(
n(IPBUF->destipaddr[2], d( n(IPBUF->destipaddr[2], d(
n(IPBUF->destipaddr[1], d( n(IPBUF->destipaddr[1], d(
n(IPBUF->destipaddr[0], n(IPBUF->destipaddr[0],
s(" ", s(" ",
n(htons(UDPBUF->srcport), d( n(htons(UDPBUF->srcport), d(
n(IPBUF->srcipaddr[3], d( n(IPBUF->srcipaddr[3], d(
n(IPBUF->srcipaddr[2], d( n(IPBUF->srcipaddr[2], d(
n(IPBUF->srcipaddr[1], d( n(IPBUF->srcipaddr[1], d(
n(IPBUF->srcipaddr[0], n(IPBUF->srcipaddr[0],
buf)))))))))))))))))))) - buf; buf)))))))))))))))))))) - buf;
/* return sprintf(buf, "%d.%d.%d.%d.%d %d.%d.%d.%d.%d UDP", /* return sprintf(buf, "%d.%d.%d.%d.%d %d.%d.%d.%d.%d UDP",
@ -260,16 +261,16 @@ tcpdump_print(char *buf, u16_t buflen)
tcpflags(TCPBUF->flags, flags); tcpflags(TCPBUF->flags, flags);
return s(flags, return s(flags,
s(" ", s(" ",
n(htons(TCPBUF->destport), d( n(htons(TCPBUF->destport), d(
n(IPBUF->destipaddr[3], d( n(IPBUF->destipaddr[3], d(
n(IPBUF->destipaddr[2], d( n(IPBUF->destipaddr[2], d(
n(IPBUF->destipaddr[1], d( n(IPBUF->destipaddr[1], d(
n(IPBUF->destipaddr[0], n(IPBUF->destipaddr[0],
s(" ", s(" ",
n(htons(TCPBUF->srcport), d( n(htons(TCPBUF->srcport), d(
n(IPBUF->srcipaddr[3], d( n(IPBUF->srcipaddr[3], d(
n(IPBUF->srcipaddr[2], d( n(IPBUF->srcipaddr[2], d(
n(IPBUF->srcipaddr[1], d( n(IPBUF->srcipaddr[1], d(
n(IPBUF->srcipaddr[0], n(IPBUF->srcipaddr[0],
buf))))))))))))))))))))) - buf; buf))))))))))))))))))))) - buf;
/* return sprintf(buf, "%d.%d.%d.%d.%d %d.%d.%d.%d.%d %s", /* return sprintf(buf, "%d.%d.%d.%d.%d %d.%d.%d.%d.%d %s",
@ -280,6 +281,8 @@ tcpdump_print(char *buf, u16_t buflen)
IPBUF->destipaddr[2], IPBUF->destipaddr[3], IPBUF->destipaddr[2], IPBUF->destipaddr[3],
htons(TCPBUF->destport), htons(TCPBUF->destport),
flags); */ flags); */
} else {
strcpy(buf, "Unrecognized protocol");
} }
return 0; return 0;

5
core/net/tcpdump.h
View File

@ -28,13 +28,14 @@
* *
* This file is part of the Contiki operating system. * This file is part of the Contiki operating system.
* *
* @(#)$Id: tcpdump.h,v 1.1 2006/06/17 22:41:18 adamdunkels Exp $ * @(#)$Id: tcpdump.h,v 1.2 2006/10/09 11:53:56 adamdunkels Exp $
*/ */
#ifndef __TCPDUMP_H__ #ifndef __TCPDUMP_H__
#define __TCPDUMP_H__ #define __TCPDUMP_H__
#include "uip.h" #include "uip.h"
int tcpdump_print(char *buf, u16_t buflen); int tcpdump_format(u8_t *packet, u16_t *len,
char *printbuf, u16_t printbuflen);
#endif /* __TCPDUMP_H__ */ #endif /* __TCPDUMP_H__ */