mirror of
https://github.com/oliverschmidt/contiki.git
synced 2024-12-22 10:30:13 +00:00
301 lines
8.0 KiB
C
301 lines
8.0 KiB
C
/*
|
|
* Copyright (c) 2007, Swedish Institute of Computer Science.
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 3. Neither the name of the Institute nor the names of its contributors
|
|
* may be used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*
|
|
* This file is part of the Contiki operating system.
|
|
*
|
|
* Author: Oliver Schmidt <ol.sc@web.de>
|
|
*
|
|
*/
|
|
|
|
/**
|
|
* \file
|
|
* Functions needed by the Windows application for uip6-bridge.
|
|
* Thanks to Oliver Schmidt for the original code.
|
|
* \author
|
|
* Salvatore Pitrulli <salvopitru@users.sourceforge.net>
|
|
*/
|
|
|
|
|
|
|
|
#define WIN32_LEAN_AND_MEAN
|
|
#define _WIN32_WINNT 0x0501
|
|
#include <windows.h>
|
|
#include <winsock2.h>
|
|
#include <iphlpapi.h>
|
|
|
|
#include <unistd.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#ifdef __CYGWIN__
|
|
#include <alloca.h>
|
|
#else /* __CYGWIN__ */
|
|
#include <malloc.h>
|
|
#endif /* __CYGWIN__ */
|
|
#include <signal.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <stdarg.h>
|
|
#include <string.h>
|
|
#include <time.h>
|
|
#include <sys/types.h>
|
|
|
|
#include <unistd.h>
|
|
#include <errno.h>
|
|
#include <fcntl.h>
|
|
#include <signal.h>
|
|
#include <termios.h>
|
|
#include <sys/ioctl.h>
|
|
|
|
#include <err.h>
|
|
|
|
/* Avoid 'conflicting types' errors. */
|
|
#define htonl
|
|
#define htons
|
|
|
|
#define PROGRESS(x)
|
|
|
|
|
|
struct pcap;
|
|
|
|
struct pcap_addr {
|
|
struct pcap_addr *next;
|
|
struct sockaddr *addr;
|
|
struct sockaddr *netmask;
|
|
struct sockaddr *broadaddr;
|
|
struct sockaddr *dstaddr;
|
|
};
|
|
|
|
struct pcap_if {
|
|
struct pcap_if *next;
|
|
char *name;
|
|
char *description;
|
|
struct pcap_addr *addresses;
|
|
DWORD flags;
|
|
};
|
|
|
|
struct pcap_pkthdr {
|
|
struct timeval ts;
|
|
DWORD caplen;
|
|
DWORD len;
|
|
};
|
|
|
|
void wpcap_send(void *buf, int len);
|
|
|
|
HMODULE wpcap;
|
|
|
|
static struct pcap *pcap;
|
|
|
|
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 **);
|
|
static int (* pcap_sendpacket)(struct pcap *, unsigned char *, int);
|
|
|
|
|
|
#define BUFSIZE 1514
|
|
|
|
|
|
#include "net/ip/uip.h"
|
|
#include "net/ipv4/uip_arp.h"
|
|
|
|
|
|
struct uip_eth_addr uip_lladdr = {{0,0,0,0,0,0}};
|
|
|
|
static char interface_name[256] = "";
|
|
|
|
static int logging;
|
|
|
|
static void
|
|
log_message(char *msg1, char *msg2)
|
|
{
|
|
if(logging) {
|
|
printf("Log: %s %s\n", msg1, msg2);
|
|
}
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|
|
static void
|
|
error_exit(char *msg1)
|
|
{
|
|
printf("error_exit: %s", msg1);
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|
|
static void
|
|
setethaddr(struct uip_eth_addr *a)
|
|
{
|
|
memcpy(&uip_lladdr, a, sizeof(struct uip_eth_addr));
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|
|
static void
|
|
init_pcap(struct uip_eth_addr *addr)
|
|
{
|
|
PIP_ADAPTER_ADDRESSES adapters;
|
|
ULONG size = 0;
|
|
|
|
if(GetAdaptersAddresses(AF_INET6, GAA_FLAG_SKIP_ANYCAST |
|
|
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_INET6, GAA_FLAG_SKIP_ANYCAST |
|
|
GAA_FLAG_SKIP_MULTICAST |
|
|
GAA_FLAG_SKIP_DNS_SERVER,
|
|
NULL, adapters, &size) != ERROR_SUCCESS) {
|
|
error_exit("error on access to adapter list\n");
|
|
}
|
|
|
|
while(adapters != NULL) {
|
|
|
|
char buffer[256];
|
|
WideCharToMultiByte(CP_ACP, 0, adapters->Description, -1,
|
|
buffer, sizeof(buffer), NULL, NULL);
|
|
log_message("set_ethaddr: found adapter: ", buffer);
|
|
|
|
if (adapters->PhysicalAddressLength == 6) {
|
|
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("Physical address: ", buffer);
|
|
|
|
if(memcmp(addr,adapters->PhysicalAddress,sizeof(struct uip_eth_addr))==0){
|
|
char error[256] = "";
|
|
|
|
WideCharToMultiByte(CP_ACP, 0, adapters->FriendlyName, -1,
|
|
interface_name, sizeof(interface_name), NULL, NULL);
|
|
printf("Using local network interface: %s\n",interface_name);
|
|
|
|
strcpy(buffer,"\\Device\\NPF_");
|
|
strncat(buffer,adapters->AdapterName,200);
|
|
pcap = pcap_open_live(buffer, sizeof(buffer), 0, -1, error);
|
|
if(pcap == NULL) {
|
|
error_exit(error);
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
adapters = adapters->Next;
|
|
}
|
|
|
|
if(adapters == NULL) {
|
|
error_exit("no adapter found with Ethernet address specified on cmdline\n");
|
|
}
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|
|
static void
|
|
print_packet(unsigned char *buf, int len)
|
|
{
|
|
int i;
|
|
|
|
for(i = 0; i < len; ++i) {
|
|
printf("0x%02x, ", buf[i]);
|
|
if(i % 8 == 7) {
|
|
printf("\n");
|
|
}
|
|
}
|
|
printf("\n\n");
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|
|
char * wpcap_start(struct uip_eth_addr *addr, int log)
|
|
{
|
|
|
|
logging = log;
|
|
|
|
wpcap = LoadLibrary("wpcap.dll");
|
|
pcap_findalldevs = (int (*)(struct pcap_if **, char *))
|
|
GetProcAddress(wpcap, "pcap_findalldevs");
|
|
pcap_open_live = (struct pcap *(*)(char *, int, int, int, char *))
|
|
GetProcAddress(wpcap, "pcap_open_live");
|
|
pcap_next_ex = (int (*)(struct pcap *, struct pcap_pkthdr **, unsigned char **))
|
|
GetProcAddress(wpcap, "pcap_next_ex");
|
|
pcap_sendpacket = (int (*)(struct pcap *, unsigned char *, int))
|
|
GetProcAddress(wpcap, "pcap_sendpacket");
|
|
|
|
if(pcap_findalldevs == NULL || pcap_open_live == NULL ||
|
|
pcap_next_ex == NULL || pcap_sendpacket == NULL) {
|
|
error_exit("error on access to winpcap library\n");
|
|
}
|
|
|
|
init_pcap(addr);
|
|
setethaddr(addr);
|
|
|
|
return interface_name;
|
|
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|
|
uint16_t
|
|
wpcap_poll(char * buf)
|
|
{
|
|
struct pcap_pkthdr *packet_header;
|
|
unsigned char *packet;
|
|
struct uip_eth_hdr * eth_hdr;
|
|
|
|
switch(pcap_next_ex(pcap, &packet_header, &packet)) {
|
|
case -1:
|
|
error_exit("error on poll\n");
|
|
case 0:
|
|
return 0;
|
|
}
|
|
|
|
if(packet_header->caplen > BUFSIZE) {
|
|
return 0;
|
|
}
|
|
|
|
eth_hdr = (struct uip_eth_hdr *)packet;
|
|
|
|
if(memcmp(&uip_lladdr,ð_hdr->src,sizeof(struct uip_eth_addr))!=0){
|
|
// It's not a packet originated from the interface itself.
|
|
return 0;
|
|
}
|
|
|
|
CopyMemory(buf, packet, packet_header->caplen);
|
|
return packet_header->caplen;
|
|
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|
|
void
|
|
wpcap_send(void *buf, int len)
|
|
{
|
|
|
|
if(pcap_sendpacket(pcap, buf, len) == -1) {
|
|
print_packet(buf, len);
|
|
error_exit("error on send\n");
|
|
}
|
|
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|
|
void
|
|
wpcap_exit(void)
|
|
{
|
|
FreeLibrary(wpcap);
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|