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ipv6 fixes and formatting

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This commit is contained in:
dak664 2009-08-11 16:06:17 +00:00
parent c154985d7e
commit d37115f2c0
2 changed files with 95 additions and 75 deletions
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21
cpu/native/net/wpcap-drv.c
View file

@ -28,7 +28,7 @@
*
* This file is part of the Contiki operating system.
*
* @(#)$Id: wpcap-drv.c,v 1.5 2009/08/08 19:51:25 dak664 Exp $
* @(#)$Id: wpcap-drv.c,v 1.6 2009/08/11 16:06:17 dak664 Exp $
*/
#include "contiki-net.h"
@ -52,7 +52,7 @@ wpcap_output(void)
return 0;
}
#endif
#endif /* !UIP_CONF_IPV6 */
/*---------------------------------------------------------------------------*/
static void
pollhandler(void)
@ -63,25 +63,24 @@ pollhandler(void)
if(uip_len > 0) {
#if UIP_CONF_IPV6
if(BUF->type == htons(UIP_ETHTYPE_IPV6)) {
// uip_neighbor_add(&IPBUF->srcipaddr, &BUF->src);
tcpip_input();
} else
#endif /* UIP_CONF_IPV6 */
if(BUF->type == htons(UIP_ETHTYPE_IP)) {
uip_len -= sizeof(struct uip_eth_hdr);
tcpip_input();
#if !UIP_CONF_IPV6
} else if(BUF->type == htons(UIP_ETHTYPE_ARP)) {
#if !UIP_CONF_IPV6 //math
uip_arp_arpin();
uip_arp_arpin(); //math
/* If the above function invocation resulted in data that
should be sent out on the network, the global variable
uip_len is set to a value > 0. */
should be sent out on the network, the global variable
uip_len is set to a value > 0. */
if(uip_len > 0) {
wpcap_send();
}
#endif
// } else {
// uip_len = 0;
#endif /* !UIP_CONF_IPV6 */
} else {
uip_len = 0;
}
}
}
@ -98,7 +97,7 @@ PROCESS_THREAD(wpcap_process, ev, data)
tcpip_set_outputfunc(wpcap_output);
#else
tcpip_set_outputfunc(wpcap_send);
#endif
#endif /* !UIP_CONF_IPV6 */
process_poll(&wpcap_process);

145
cpu/native/net/wpcap.c
View file

@ -30,7 +30,7 @@
*
* Author: Oliver Schmidt <ol.sc@web.de>
*
* $Id: wpcap.c,v 1.16 2009/08/09 20:44:42 oliverschmidt Exp $
* $Id: wpcap.c,v 1.17 2009/08/11 16:06:17 dak664 Exp $
*/
#define WIN32_LEAN_AND_MEAN
@ -47,6 +47,13 @@
#include <malloc.h>
#endif /* __CYGWIN__ */
#define DEBUG 0
#if DEBUG
#define PRINTF(...) printf(__VA_ARGS__)
#else
#define PRINTF(...)
#endif
/* Avoid 'conflicting types' errors. */
#define htonl
#define htons
@ -60,11 +67,6 @@
__attribute__((dllimport)) extern char **__argv[];
#endif /* __CYGWIN__ */
#if UIP_CONF_IPV6 /*TODO: put this in the right place */
//CCIF struct uip_eth_addr uip_ethaddr={{0xff,0xff,0xff,0xff,0xff,0xff}};
struct uip_eth_addr uip_ethaddr={{0xff,0xff,0xff,0xff,0xff,0xff}};
#endif /* UIP_CONF_IPV6 */
struct pcap;
struct pcap_if {
@ -91,6 +93,13 @@ HMODULE wpcap;
static struct pcap *pcap;
/* uip_ethaddr is defined in uip.c. It is not used in uip6.c.
* If needed for some purpose it can be defined here
*/
#if UIP_CONF_IPV6
//struct uip_eth_addr uip_ethaddr;
#endif
static int (* pcap_findalldevs)(struct pcap_if **, char *);
static struct pcap *(* pcap_open_live)(char *, int, int, int, char *);
static int (* pcap_next_ex)(struct pcap *, struct pcap_pkthdr **, unsigned char **);
@ -123,33 +132,32 @@ init_pcap(struct in_addr addr)
if(interfaces->addresses != NULL) {
for(paddr = interfaces->addresses;
paddr != NULL;
paddr = paddr->next) {
if(paddr->addr != NULL && paddr->addr->sa_family == AF_INET) {
paddr != NULL;
paddr = paddr->next) {
if(paddr->addr != NULL && paddr->addr->sa_family == AF_INET) {
struct in_addr interface_addr;
interface_addr = ((struct sockaddr_in *)paddr->addr)->sin_addr;
log_message("init_pcap: with address: ", inet_ntoa(interface_addr));
struct in_addr interface_addr;
interface_addr = ((struct sockaddr_in *)paddr->addr)->sin_addr;
log_message("init_pcap: with address: ", inet_ntoa(interface_addr));
if(interface_addr.s_addr == addr.s_addr) {
pcap = pcap_open_live(interfaces->name, UIP_BUFSIZE, 0, -1, error);
if(pcap == NULL) {
error_exit(error);
}
return;
}
}
if(interface_addr.s_addr == addr.s_addr) {
pcap = pcap_open_live(interfaces->name, UIP_BUFSIZE, 0, -1, error);
if(pcap == NULL) {
error_exit(error);
}
return;
}
}
}
}
interfaces = interfaces->next;
}
if(interfaces == NULL) {
error_exit("no interface found with ip addr specified on cmdline\n");
error_exit("no interface found with specified ip address\n");
}
}
/*---------------------------------------------------------------------------*/
#if !UIP_CONF_IPV6
static void
set_ethaddr(struct in_addr addr)
{
@ -157,16 +165,16 @@ set_ethaddr(struct in_addr addr)
ULONG size = 0;
if(GetAdaptersAddresses(AF_INET, GAA_FLAG_SKIP_ANYCAST |
GAA_FLAG_SKIP_MULTICAST |
GAA_FLAG_SKIP_DNS_SERVER,
NULL, NULL, &size) != ERROR_BUFFER_OVERFLOW) {
GAA_FLAG_SKIP_MULTICAST |
GAA_FLAG_SKIP_DNS_SERVER,
NULL, NULL, &size) != ERROR_BUFFER_OVERFLOW) {
error_exit("error on access to adapter list size\n");
}
adapters = alloca(size);
if(GetAdaptersAddresses(AF_INET, GAA_FLAG_SKIP_ANYCAST |
GAA_FLAG_SKIP_MULTICAST |
GAA_FLAG_SKIP_DNS_SERVER,
NULL, adapters, &size) != ERROR_SUCCESS) {
GAA_FLAG_SKIP_MULTICAST |
GAA_FLAG_SKIP_DNS_SERVER,
NULL, adapters, &size) != ERROR_SUCCESS) {
error_exit("error on access to adapter list\n");
}
@ -174,7 +182,7 @@ set_ethaddr(struct in_addr addr)
char buffer[256];
WideCharToMultiByte(CP_ACP, 0, adapters->Description, -1,
buffer, sizeof(buffer), NULL, NULL);
buffer, sizeof(buffer), NULL, NULL);
log_message("set_ethaddr: found adapter: ", buffer);
if(adapters->FirstUnicastAddress != NULL &&
@ -186,16 +194,20 @@ set_ethaddr(struct in_addr addr)
log_message("set_ethaddr: with address: ", inet_ntoa(adapter_addr));
if(adapter_addr.s_addr == addr.s_addr) {
if(adapters->PhysicalAddressLength != 6) {
error_exit("ip addr specified on cmdline does not belong to an ethernet card\n");
}
wsprintf(buffer, "%02X-%02X-%02X-%02X-%02X-%02X",
adapters->PhysicalAddress[0], adapters->PhysicalAddress[1],
adapters->PhysicalAddress[2], adapters->PhysicalAddress[3],
adapters->PhysicalAddress[4], adapters->PhysicalAddress[5]);
log_message("set_ethaddr: ethernetaddr: ", buffer);
uip_setethaddr((*(struct uip_eth_addr *)adapters->PhysicalAddress));
break;
if(adapters->PhysicalAddressLength != 6) {
error_exit("ip addr specified on cmdline does not belong to an ethernet card\n");
}
wsprintf(buffer, "%02X-%02X-%02X-%02X-%02X-%02X",
adapters->PhysicalAddress[0], adapters->PhysicalAddress[1],
adapters->PhysicalAddress[2], adapters->PhysicalAddress[3],
adapters->PhysicalAddress[4], adapters->PhysicalAddress[5]);
log_message("set_ethaddr: ethernetaddr: ", buffer);
#if UIP_CONF_IPV6
// int i;for (i=0;i<6;i++) uip_ethaddr.addr[i] = adapters->PhysicalAddress[i];
#else
uip_setethaddr((*(struct uip_eth_addr *)adapters->PhysicalAddress));
#endif
break;
}
}
adapters = adapters->Next;
@ -205,7 +217,6 @@ set_ethaddr(struct in_addr addr)
error_exit("no adapter found with ip addr specified on cmdline\n");
}
}
#endif /* !UIP_CONF_IPV6 */
/*---------------------------------------------------------------------------*/
void
wpcap_init(void)
@ -218,19 +229,22 @@ wpcap_init(void)
addr.s_addr = inet_addr(__argv[1]);
#endif /* __CYGWIN__ */
if(addr.s_addr == INADDR_NONE) {
error_exit("usage: <program> <ip addr of ethernet card to share>\n");
// error_exit("usage: <program> <ip addr of ethernet card to share>\n");
addr.s_addr = inet_addr("10.10.10.10");
log_message("usage: <program> <ip addr of ethernet card to share>\n-->I'll try guessing ", inet_ntoa(addr));
} else {
log_message("wpcap_init:cmdline address: ", inet_ntoa(addr));
}
log_message("wpcap_init: cmdline address: ", inet_ntoa(addr));
wpcap = LoadLibrary("wpcap.dll");
pcap_findalldevs = (int (*)(struct pcap_if **, char *))
GetProcAddress(wpcap, "pcap_findalldevs");
GetProcAddress(wpcap, "pcap_findalldevs");
pcap_open_live = (struct pcap *(*)(char *, int, int, int, char *))
GetProcAddress(wpcap, "pcap_open_live");
GetProcAddress(wpcap, "pcap_open_live");
pcap_next_ex = (int (*)(struct pcap *, struct pcap_pkthdr **, unsigned char **))
GetProcAddress(wpcap, "pcap_next_ex");
GetProcAddress(wpcap, "pcap_next_ex");
pcap_sendpacket = (int (*)(struct pcap *, unsigned char *, int))
GetProcAddress(wpcap, "pcap_sendpacket");
GetProcAddress(wpcap, "pcap_sendpacket");
if(pcap_findalldevs == NULL || pcap_open_live == NULL ||
pcap_next_ex == NULL || pcap_sendpacket == NULL) {
@ -238,9 +252,8 @@ wpcap_init(void)
}
init_pcap(addr);
#if !UIP_CONF_IPV6
set_ethaddr(addr);
#endif
}
/*---------------------------------------------------------------------------*/
u16_t
@ -268,32 +281,40 @@ wpcap_poll(void)
u8_t
wpcap_send(uip_lladdr_t *lladdr)
{
static char cludge=0;
if(lladdr == NULL) {
/* the dest must be multicast */
/* the dest must be multicast*/
(&BUF->dest)->addr[0] = 0x33;
(&BUF->dest)->addr[1] = 0x33;
// (&BUF->dest)->addr[2] = IPBUF->destipaddr.u8[12]; //destipaddr is zero
// (&BUF->dest)->addr[3] = IPBUF->destipaddr.u8[13];
// (&BUF->dest)->addr[4] = IPBUF->destipaddr.u8[14];
// (&BUF->dest)->addr[5] = IPBUF->destipaddr.u8[15];
(&BUF->dest)->addr[2] = uip_ethaddr.addr[2];
(&BUF->dest)->addr[3] = uip_ethaddr.addr[3];
(&BUF->dest)->addr[4] = uip_ethaddr.addr[4];
(&BUF->dest)->addr[5] = uip_ethaddr.addr[5];
(&BUF->dest)->addr[2] = IPBUF->destipaddr.u8[12];
(&BUF->dest)->addr[3] = IPBUF->destipaddr.u8[13];
(&BUF->dest)->addr[4] = IPBUF->destipaddr.u8[14];
(&BUF->dest)->addr[5] = IPBUF->destipaddr.u8[15];
} else {
memcpy(&BUF->dest, lladdr, UIP_LLADDR_LEN);
}
if ((&BUF->src)->addr[0]) { //Linux tap6 does this always
memcpy(&BUF->src, &uip_lladdr, UIP_LLADDR_LEN);
}
// BUF->type = HTONS(UIP_ETHTYPE_IPV6); //math tmp //This causes a silent exit
memcpy(&BUF->src, &uip_lladdr, UIP_LLADDR_LEN);
/* TODO:After sending the initial NS a NS is received from 0 to me with my target address.
* This causes program exit -1 via uip_netif_dad_failed() from uip-nd6-io.c.
* It is OK once it receives an incoming packet
* Swallowing the first few output packets will (usually) get it going
* This is a cludge until the NS processing is resolved!
*/
if (cludge<3) {
cludge++; //gulp
} else {
PRINTF("Src= %02x %02x %02x %02x %02x %02x",(&BUF->src)->addr[0],(&BUF->src)->addr[1],(&BUF->src)->addr[2],(&BUF->src)->addr[3],(&BUF->src)->addr[4],(&BUF->src)->addr[5]);
PRINTF(" Dst= %02x %02x %02x %02x %02x %02x",(&BUF->dest)->addr[0],(&BUF->dest)->addr[1],(&BUF->dest)->addr[2],(&BUF->dest)->addr[3],(&BUF->dest)->addr[4],(&BUF->dest)->addr[5]);
PRINTF(" Type=%04x\n",BUF->type);
BUF->type = HTONS(UIP_ETHTYPE_IPV6);
uip_len += sizeof(struct uip_eth_hdr);
if(pcap_sendpacket(pcap, uip_buf, uip_len) == -1) {
error_exit("error on send\n");
}
return 0;
}
return 0;
} /* cludge */
#else /* UIP_CONF_IPV6 */
void
wpcap_send(void)