992 lines
22 KiB
C
992 lines
22 KiB
C
/*
|
|
* Copyright (c) 2001, Adam Dunkels.
|
|
* Copyright (c) 2009, Joakim Eriksson, Niclas Finne.
|
|
* 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. The name of the author may not be used to endorse or promote
|
|
* products derived from this software without specific prior
|
|
* written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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 uIP TCP/IP stack.
|
|
*
|
|
* $Id: wpcapslip6.c,v 1.1 2010/10/25 10:42:41 salvopitru Exp $
|
|
*/
|
|
|
|
/**
|
|
* \file
|
|
* A driver for the uip6-bridge customized for STM32W that works
|
|
* under Windows (using cygwin dll). Thanks to Adam Dunkels, Joakim
|
|
* Eriksson, Niclas Finne for the original code.
|
|
* \author
|
|
* Salvatore Pitrulli <salvopitru@users.sourceforge.net>
|
|
*/
|
|
|
|
|
|
#include <unistd.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <ctype.h>
|
|
#ifdef __CYGWIN__
|
|
#include <alloca.h>
|
|
#else /* __CYGWIN__ */
|
|
#include <malloc.h>
|
|
#endif /* __CYGWIN__ */
|
|
#include <signal.h>
|
|
//#include <stdarg.h>
|
|
#include <string.h>
|
|
#include <time.h>
|
|
#include <sys/select.h>
|
|
#include <errno.h>
|
|
#include <fcntl.h>
|
|
//#include <termios.h>
|
|
#include <sys/ioctl.h>
|
|
#include <err.h>
|
|
|
|
//#include <netinet/in.h>
|
|
#include <arpa/inet.h>
|
|
|
|
|
|
#include <windows.h>
|
|
|
|
|
|
//#include "net/uip.h"
|
|
#include "net/uip_arp.h"
|
|
|
|
|
|
|
|
|
|
|
|
char * wpcap_start(struct uip_eth_addr *addr, int log);
|
|
|
|
void wpcap_send(void *buf, int len);
|
|
|
|
uint16_t wpcap_poll(char *buf);
|
|
|
|
void wpcap_exit(void);
|
|
|
|
int ssystem(const char *fmt, ...)
|
|
__attribute__((__format__ (__printf__, 1, 2)));
|
|
void write_to_serial(void *inbuf, int len);
|
|
|
|
#define PRINTF(...) if(verbose)printf(__VA_ARGS__)
|
|
|
|
//#define PROGRESS(s) fprintf(stderr, s)
|
|
#define PROGRESS(s) do { } while (0)
|
|
|
|
#define USAGE_STRING "usage: wcapslip6 -s siodev [-B baudrate] [-a ipaddress[/prefixlen]|-p 64bit-prefix] [-c channel] [-r] [-v] <local interface mac address>"
|
|
#define HELP_STRING "usage: wcapslip6 -s siodev [-B baudrate] [-a ipaddress[/prefixlen]|-p 64bit-prefix] [-c channel] [-r] [-v] <local interface mac address>\r\n\n\
|
|
Options:\r\n\
|
|
-s siodev\tDevice that identifies the bridge.\r\n\
|
|
-B baudrate\tBaudrate of the serial port (default:115200).\r\n\
|
|
-a ipaddress/[prefixlen] The address to be assigned to the network\r\n\
|
|
\t\tadapter.\r\n\
|
|
-p 64bit-prefix\tAutomatic assignment of the IPv6 address from the specified\r\n\
|
|
\t\tsubnet prefix. It may be followed by the prefix length\r\n\
|
|
-c channel\t 802.15.4 radio channel.\r\n\
|
|
-r\t\t Set sniffer mode. \r\n\
|
|
-v\t\tVerbose. Print more infos.\r\n\
|
|
<local interface mac address>\tMAC address of the local interface that will\r\n\
|
|
\t\tbe used by wcapslip6.\r\n"
|
|
|
|
#define REQUEST_MAC_TIMEOUT 3
|
|
|
|
typedef enum {
|
|
false = 0,
|
|
true = 1,
|
|
} bool;
|
|
|
|
//char tundev[32] = { "tap0" };
|
|
static const char *ipaddr = NULL;
|
|
static char *ipprefix = NULL;
|
|
static char autoconf_addr[40] = {0};
|
|
static bool autoconf = false;
|
|
static bool verbose = false;
|
|
static bool tobecleaned = false;
|
|
static struct uip_eth_addr eth_addr;
|
|
static char * if_name;
|
|
OSVERSIONINFO osVersionInfo;
|
|
|
|
static int request_mac = 1;
|
|
static int send_mac = 1;
|
|
static int set_sniffer_mode = 1;
|
|
static int set_channel = 1;
|
|
|
|
static int sniffer_mode = 0;
|
|
static int channel = 0;
|
|
|
|
static bool mac_received = false;
|
|
|
|
int
|
|
ssystem(const char *fmt, ...) __attribute__((__format__ (__printf__, 1, 2)));
|
|
|
|
void addAddress(const char * ifname, const char * ipaddr);
|
|
void delAddress(const char * ifname, const char * ipaddr);
|
|
|
|
int
|
|
ssystem(const char *fmt, ...)
|
|
{
|
|
char cmd[128];
|
|
va_list ap;
|
|
va_start(ap, fmt);
|
|
vsnprintf(cmd, sizeof(cmd), fmt, ap);
|
|
va_end(ap);
|
|
printf("%s\n", cmd);
|
|
fflush(stdout);
|
|
return system(cmd);
|
|
}
|
|
|
|
int
|
|
execProcess(LPDWORD exitCode,const char *fmt, ...)
|
|
{
|
|
char cmd[128];
|
|
va_list ap;
|
|
va_start(ap, fmt);
|
|
vsnprintf(cmd, sizeof(cmd), fmt, ap);
|
|
va_end(ap);
|
|
printf("%s\n", cmd);
|
|
fflush(stdout);
|
|
//return system(cmd);
|
|
|
|
STARTUPINFO si;
|
|
PROCESS_INFORMATION pi;
|
|
|
|
|
|
ZeroMemory( &si, sizeof(si) );
|
|
si.cb = sizeof(si);
|
|
ZeroMemory( &pi, sizeof(pi) );
|
|
|
|
// Start the child process.
|
|
if( !CreateProcess( NULL, // No module name (use command line)
|
|
cmd, // Command line
|
|
NULL, // Process handle not inheritable
|
|
NULL, // Thread handle not inheritable
|
|
FALSE, // Set handle inheritance to FALSE
|
|
0, // No creation flags
|
|
NULL, // Use parent's environment block
|
|
NULL, // Use parent's starting directory
|
|
&si, // Pointer to STARTUPINFO structure
|
|
&pi ) // Pointer to PROCESS_INFORMATION structure
|
|
)
|
|
{
|
|
//printf( "CreateProcess failed (%d).\n", (int)GetLastError() );
|
|
|
|
return -1;
|
|
}
|
|
|
|
// Wait until child process exits.
|
|
WaitForSingleObject( pi.hProcess, INFINITE );
|
|
|
|
if(exitCode!=NULL){
|
|
GetExitCodeProcess(pi.hProcess,exitCode);
|
|
}
|
|
|
|
// Close process and thread handles.
|
|
CloseHandle( pi.hProcess );
|
|
CloseHandle( pi.hThread );
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
#define SLIP_END 0300
|
|
#define SLIP_ESC 0333
|
|
#define SLIP_ESC_END 0334
|
|
#define SLIP_ESC_ESC 0335
|
|
|
|
/*static void
|
|
print_packet(u_int8_t *p, int len) {
|
|
int i;
|
|
for(i = 0; i < len; i++) {
|
|
printf("%02x", p[i]);
|
|
if ((i & 3) == 3)
|
|
printf(" ");
|
|
if ((i & 15) == 15)
|
|
printf("\n");
|
|
}
|
|
printf("\n");
|
|
}*/
|
|
|
|
int
|
|
is_sensible_string(const unsigned char *s, int len)
|
|
{
|
|
int i;
|
|
for(i = 1; i < len; i++) {
|
|
if(s[i] == 0 || s[i] == '\r' || s[i] == '\n' || s[i] == '\t') {
|
|
continue;
|
|
} else if(s[i] < ' ' || '~' < s[i]) {
|
|
return 0;
|
|
}
|
|
}
|
|
return 1;
|
|
}
|
|
|
|
|
|
/*
|
|
* Read from serial, when we have a packet write it to tun. No output
|
|
* buffering, input buffered by stdio.
|
|
*/
|
|
void
|
|
serial_to_wpcap(FILE *inslip)
|
|
{
|
|
static union {
|
|
unsigned char inbuf[2000];
|
|
} uip;
|
|
static int inbufptr = 0;
|
|
|
|
int ret;
|
|
unsigned char c;
|
|
|
|
#ifdef linux
|
|
ret = fread(&c, 1, 1, inslip);
|
|
if(ret == -1 || ret == 0) err(1, "serial_to_tun: read");
|
|
goto after_fread;
|
|
#endif
|
|
|
|
read_more:
|
|
if(inbufptr >= sizeof(uip.inbuf)) {
|
|
inbufptr = 0;
|
|
}
|
|
ret = fread(&c, 1, 1, inslip);
|
|
#ifdef linux
|
|
after_fread:
|
|
#endif
|
|
if(ret == -1) {
|
|
err(1, "serial_to_tun: read");
|
|
}
|
|
if(ret == 0) {
|
|
clearerr(inslip);
|
|
return;
|
|
fprintf(stderr, "serial_to_tun: EOF\n");
|
|
exit(1);
|
|
}
|
|
/* fprintf(stderr, ".");*/
|
|
switch(c) {
|
|
case SLIP_END:
|
|
if(inbufptr > 0) {
|
|
if(uip.inbuf[0] == '!') {
|
|
if (uip.inbuf[1] == 'M' && inbufptr == 18) {
|
|
/* Read gateway MAC address and autoconfigure tap0 interface */
|
|
char macs[24];
|
|
int i, pos;
|
|
for(i = 0, pos = 0; i < 16; i++) {
|
|
macs[pos++] = uip.inbuf[2 + i];
|
|
if ((i & 1) == 1 && i < 14) {
|
|
macs[pos++] = ':';
|
|
}
|
|
}
|
|
macs[pos] = '\0';
|
|
printf("*** Gateway's MAC address: %s\n", macs);
|
|
mac_received = true;
|
|
|
|
|
|
if(autoconf){
|
|
|
|
struct in6_addr ipv6addr;
|
|
struct uip_802154_longaddr dev_addr;
|
|
//DWORD exitCode = -1;
|
|
|
|
{
|
|
|
|
int addr_bytes[8]; // sscanf requires int instead of 8-bit for hexadecimal variables.
|
|
|
|
sscanf(macs, "%2X:%2X:%2X:%2X:%2X:%2X:%2X:%2X",
|
|
&addr_bytes[0],
|
|
&addr_bytes[1],
|
|
&addr_bytes[2],
|
|
&addr_bytes[3],
|
|
&addr_bytes[4],
|
|
&addr_bytes[5],
|
|
&addr_bytes[6],
|
|
&addr_bytes[7]);
|
|
|
|
for(i=0;i<8;i++){
|
|
dev_addr.addr[i] = addr_bytes[i];
|
|
}
|
|
}
|
|
|
|
/*int i;
|
|
PRINTF("MAC:\n");
|
|
for(i=0; i< 8; i++)
|
|
PRINTF("%02X ",dev_addr.addr[i]);
|
|
PRINTF("\n");*/
|
|
|
|
dev_addr.addr[0] |= 0x02;
|
|
|
|
strtok(ipprefix,"/");
|
|
|
|
if(inet_pton(AF_INET6, ipprefix, &ipv6addr)!=1){
|
|
printf("Invalid IPv6 address.\n");
|
|
exit(1);
|
|
}
|
|
|
|
// Copy modified EUI-64 to the last 64 bits of IPv6 address.
|
|
memcpy(&ipv6addr.s6_addr[8],&dev_addr,8);
|
|
|
|
inet_ntop(AF_INET6,&ipv6addr,autoconf_addr,INET6_ADDRSTRLEN); // To string format.
|
|
|
|
char * substr = strtok(NULL,"/");
|
|
if(substr!=NULL){ // Add the prefix length.
|
|
strcat(autoconf_addr,"/");
|
|
strcat(autoconf_addr,substr);
|
|
}
|
|
ipaddr = autoconf_addr;
|
|
|
|
addAddress(if_name,ipaddr);
|
|
|
|
|
|
}
|
|
|
|
}
|
|
#define DEBUG_LINE_MARKER '\r'
|
|
}
|
|
else if(uip.inbuf[0] == '?') {
|
|
if (uip.inbuf[1] == 'M') {
|
|
/* Send our MAC address. */
|
|
|
|
send_mac = 1;
|
|
set_sniffer_mode = 1;
|
|
set_channel = 1;
|
|
}
|
|
}
|
|
else if(uip.inbuf[0] == DEBUG_LINE_MARKER) {
|
|
fwrite(uip.inbuf + 1, inbufptr - 1, 1, stderr);
|
|
}
|
|
else if(is_sensible_string(uip.inbuf, inbufptr)) {
|
|
fwrite(uip.inbuf, inbufptr, 1, stderr);
|
|
}
|
|
else {
|
|
//PRINTF("Writing to tun len: %d\n", inbufptr);
|
|
/* print_packet(uip.inbuf, inbufptr);*/
|
|
/*if(write(outfd, uip.inbuf, inbufptr) != inbufptr) {
|
|
err(1, "serial_to_tun: write");
|
|
}*/
|
|
|
|
PRINTF("Sending to wpcap\n");
|
|
/*print_packet(uip.inbuf, inbufptr);*/
|
|
wpcap_send(uip.inbuf, inbufptr);
|
|
/* printf("After sending to wpcap\n");*/
|
|
}
|
|
inbufptr = 0;
|
|
}
|
|
break;
|
|
|
|
case SLIP_ESC:
|
|
if(fread(&c, 1, 1, inslip) != 1) {
|
|
clearerr(inslip);
|
|
/* Put ESC back and give up! */
|
|
ungetc(SLIP_ESC, inslip);
|
|
return;
|
|
}
|
|
|
|
switch(c) {
|
|
case SLIP_ESC_END:
|
|
c = SLIP_END;
|
|
break;
|
|
case SLIP_ESC_ESC:
|
|
c = SLIP_ESC;
|
|
break;
|
|
}
|
|
/* FALLTHROUGH */
|
|
default:
|
|
uip.inbuf[inbufptr++] = c;
|
|
break;
|
|
}
|
|
|
|
goto read_more;
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|
|
unsigned char slip_buf[2000];
|
|
int slip_end, slip_begin;
|
|
/*---------------------------------------------------------------------------*/
|
|
|
|
void
|
|
slip_send(unsigned char c)
|
|
{
|
|
if(slip_end >= sizeof(slip_buf)) {
|
|
err(1, "slip_send overflow");
|
|
}
|
|
slip_buf[slip_end] = c;
|
|
slip_end++;
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|
|
int
|
|
slip_empty()
|
|
{
|
|
return slip_end == 0;
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|
|
void
|
|
slip_flushbuf(int fd)
|
|
{
|
|
int n;
|
|
|
|
if (slip_empty())
|
|
return;
|
|
|
|
n = write(fd, slip_buf + slip_begin, (slip_end - slip_begin));
|
|
|
|
if(n == -1 && errno != EAGAIN) {
|
|
err(1, "slip_flushbuf write failed");
|
|
} else if(n == -1) {
|
|
PROGRESS("Q"); /* Outqueueis full! */
|
|
} else {
|
|
slip_begin += n;
|
|
if(slip_begin == slip_end) {
|
|
slip_begin = slip_end = 0;
|
|
}
|
|
}
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|
|
void
|
|
write_to_serial(void *inbuf, int len)
|
|
{
|
|
u_int8_t *p = inbuf;
|
|
int i; /*, ecode;*/
|
|
|
|
/* printf("Got packet of length %d - write SLIP\n", len);*/
|
|
/* print_packet(p, len);*/
|
|
|
|
/* It would be ``nice'' to send a SLIP_END here but it's not
|
|
* really necessary.
|
|
*/
|
|
/* slip_send(outfd, SLIP_END); */
|
|
PRINTF("Writing to serial len: %d\n", len);
|
|
for(i = 0; i < len; i++) {
|
|
switch(p[i]) {
|
|
case SLIP_END:
|
|
slip_send(SLIP_ESC);
|
|
slip_send(SLIP_ESC_END);
|
|
break;
|
|
case SLIP_ESC:
|
|
slip_send(SLIP_ESC);
|
|
slip_send(SLIP_ESC_ESC);
|
|
break;
|
|
default:
|
|
slip_send(p[i]);
|
|
break;
|
|
}
|
|
|
|
}
|
|
slip_send(SLIP_END);
|
|
PROGRESS("t");
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|
|
|
|
/*
|
|
* Read from tun, write to slip.
|
|
*/
|
|
#if 0
|
|
void
|
|
tun_to_serial(int infd, int outfd)
|
|
{
|
|
struct {
|
|
unsigned char inbuf[2000];
|
|
} uip;
|
|
int size;
|
|
|
|
if((size = read(infd, uip.inbuf, 2000)) == -1) {
|
|
err(1, "tun_to_serial: read");
|
|
}
|
|
|
|
write_to_serial(uip.inbuf, size);
|
|
}
|
|
#endif /* 0 */
|
|
/*---------------------------------------------------------------------------*/
|
|
#ifndef BAUDRATE
|
|
#define BAUDRATE B115200
|
|
#endif
|
|
speed_t b_rate = BAUDRATE;
|
|
|
|
void
|
|
stty_telos(int fd)
|
|
{
|
|
struct termios tty;
|
|
speed_t speed = b_rate;
|
|
int i;
|
|
|
|
if(tcflush(fd, TCIOFLUSH) == -1) err(1, "tcflush");
|
|
|
|
if(tcgetattr(fd, &tty) == -1) err(1, "tcgetattr");
|
|
|
|
cfmakeraw(&tty);
|
|
|
|
/* Nonblocking read. */
|
|
tty.c_cc[VTIME] = 0;
|
|
tty.c_cc[VMIN] = 0;
|
|
tty.c_cflag &= ~CRTSCTS;
|
|
tty.c_cflag &= ~HUPCL;
|
|
tty.c_cflag &= ~CLOCAL;
|
|
|
|
cfsetispeed(&tty, speed);
|
|
cfsetospeed(&tty, speed);
|
|
|
|
if(tcsetattr(fd, TCSAFLUSH, &tty) == -1) err(1, "tcsetattr");
|
|
|
|
#if 1
|
|
/* Nonblocking read and write. */
|
|
/* if(fcntl(fd, F_SETFL, O_NONBLOCK) == -1) err(1, "fcntl"); */
|
|
|
|
tty.c_cflag |= CLOCAL;
|
|
if(tcsetattr(fd, TCSAFLUSH, &tty) == -1) err(1, "tcsetattr");
|
|
|
|
i = TIOCM_DTR;
|
|
if(ioctl(fd, TIOCMBIS, &i) == -1) err(1, "ioctl");
|
|
#endif
|
|
|
|
usleep(10*1000); /* Wait for hardware 10ms. */
|
|
|
|
/* Flush input and output buffers. */
|
|
if(tcflush(fd, TCIOFLUSH) == -1) err(1, "tcflush");
|
|
}
|
|
|
|
int
|
|
devopen(const char *dev, int flags)
|
|
{
|
|
char t[32];
|
|
strcpy(t, "/dev/");
|
|
strcat(t, dev);
|
|
return open(t, flags);
|
|
}
|
|
|
|
#ifdef linux
|
|
#include <linux/if.h>
|
|
#include <linux/if_tun.h>
|
|
|
|
int
|
|
tun_alloc(char *dev)
|
|
{
|
|
struct ifreq ifr;
|
|
int fd, err;
|
|
|
|
if( (fd = open("/dev/net/tun", O_RDWR)) < 0 )
|
|
return -1;
|
|
|
|
memset(&ifr, 0, sizeof(ifr));
|
|
|
|
/* Flags: IFF_TUN - TUN device (no Ethernet headers)
|
|
* IFF_TAP - TAP device
|
|
*
|
|
* IFF_NO_PI - Do not provide packet information
|
|
*/
|
|
ifr.ifr_flags = IFF_TAP | IFF_NO_PI;
|
|
if(*dev != 0)
|
|
strncpy(ifr.ifr_name, dev, IFNAMSIZ);
|
|
|
|
if((err = ioctl(fd, TUNSETIFF, (void *) &ifr)) < 0 ){
|
|
close(fd);
|
|
return err;
|
|
}
|
|
strcpy(dev, ifr.ifr_name);
|
|
return fd;
|
|
}
|
|
#else
|
|
int
|
|
tun_alloc(char *dev)
|
|
{
|
|
return devopen(dev, O_RDWR);
|
|
}
|
|
#endif
|
|
|
|
//const char *netmask;
|
|
|
|
void
|
|
cleanup(void)
|
|
{
|
|
wpcap_exit();
|
|
if(tobecleaned){
|
|
delAddress(if_name,ipaddr);
|
|
}
|
|
}
|
|
|
|
void
|
|
sigcleanup(int signo)
|
|
{
|
|
fprintf(stderr, "signal %d\n", signo);
|
|
exit(0); /* exit(0) will call cleanup() */
|
|
}
|
|
|
|
void
|
|
sigalarm(int signo)
|
|
{
|
|
if(!mac_received){
|
|
fprintf(stderr, "Bridge not found!\n");
|
|
exit(2);
|
|
}
|
|
}
|
|
|
|
|
|
void send_commands(void)
|
|
{
|
|
char buf[3];
|
|
|
|
if (request_mac) {
|
|
slip_send('?');
|
|
slip_send('M');
|
|
slip_send(SLIP_END);
|
|
|
|
request_mac = 0;
|
|
alarm(REQUEST_MAC_TIMEOUT);
|
|
}
|
|
/* Send our mac to the device. If it knows our address, it is not needed to change
|
|
the MAC address of our local interface (this can be also unsupported, especially under
|
|
Windows).
|
|
*/
|
|
else if(send_mac && slip_empty()){
|
|
short i;
|
|
PRINTF("Sending our MAC.\n");
|
|
|
|
slip_send('!');
|
|
slip_send('M');
|
|
|
|
for(i=0; i < 6; i++){
|
|
sprintf(buf,"%02X",eth_addr.addr[i]);
|
|
slip_send(buf[0]);
|
|
slip_send(buf[1]);
|
|
}
|
|
slip_send(SLIP_END);
|
|
|
|
send_mac = 0;
|
|
}
|
|
else if(set_sniffer_mode && slip_empty()){
|
|
|
|
PRINTF("Setting sniffer mode to %d.\n", sniffer_mode);
|
|
|
|
slip_send('!');
|
|
slip_send('O');
|
|
slip_send('S');
|
|
|
|
if(sniffer_mode){
|
|
slip_send('1');
|
|
}
|
|
else {
|
|
slip_send('0');
|
|
}
|
|
slip_send(SLIP_END);
|
|
|
|
set_sniffer_mode = 0;
|
|
|
|
}
|
|
else if(set_channel && slip_empty()){
|
|
|
|
if(channel != 0){
|
|
PRINTF("Setting channel %02d.\n", channel);
|
|
|
|
slip_send('!');
|
|
slip_send('O');
|
|
slip_send('C');
|
|
|
|
sprintf(buf,"%02d",channel);
|
|
slip_send(buf[0]);
|
|
slip_send(buf[1]);
|
|
|
|
slip_send(SLIP_END);
|
|
}
|
|
|
|
set_channel = 0;
|
|
|
|
}
|
|
}
|
|
|
|
void addAddress(const char * ifname, const char * ipaddr)
|
|
{
|
|
DWORD exitCode = -1;
|
|
|
|
if(osVersionInfo.dwMajorVersion < 6){ // < Windows Vista (i.e., Windows XP; check if this command is ok for Windows Server 2003 too).
|
|
char * substr;
|
|
char tmpaddr[44];
|
|
|
|
strncpy(tmpaddr,ipaddr,sizeof(tmpaddr));
|
|
|
|
strtok(tmpaddr,"/"); // Remove possible prefix length.
|
|
execProcess(&exitCode,"netsh interface ipv6 add address \"%s\" %s",if_name,tmpaddr);
|
|
substr = strtok(NULL,"/");
|
|
if(substr == NULL){ // A prefix length is not specified.
|
|
// Use a 64 bit prefix
|
|
strcat(tmpaddr,"/64");
|
|
execProcess(NULL,"netsh interface ipv6 add route %s \"%s\"",tmpaddr,if_name);
|
|
}
|
|
else {
|
|
execProcess(NULL,"netsh interface ipv6 add route %s \"%s\"",ipaddr,if_name);
|
|
}
|
|
|
|
}
|
|
else{
|
|
execProcess(&exitCode,"netsh interface ipv6 add address \"%s\" %s",if_name,ipaddr);
|
|
}
|
|
if(exitCode==0)
|
|
tobecleaned = true;
|
|
}
|
|
|
|
void delAddress(const char * ifname, const char * ipaddr)
|
|
{
|
|
char tmpaddr[42];
|
|
|
|
strncpy(tmpaddr,ipaddr,sizeof(tmpaddr));
|
|
strtok(tmpaddr,"/"); // Remove possible prefix length.
|
|
|
|
if(osVersionInfo.dwMajorVersion < 6){ // < Windows Vista (i.e., Windows XP; check if this command is ok for Windows Server 2003 too).
|
|
char * substr;
|
|
|
|
execProcess(NULL,"netsh interface ipv6 delete address \"%s\" %s",if_name,tmpaddr);
|
|
substr = strtok(NULL,"/");
|
|
if(substr == NULL){ // A prefix length is not specified.
|
|
// Use a 64 bit prefix
|
|
strcat(tmpaddr,"/64");
|
|
execProcess(NULL,"netsh interface ipv6 delete route %s \"%s\"",tmpaddr,if_name);
|
|
}
|
|
else {
|
|
execProcess(NULL,"netsh interface ipv6 delete route %s \"%s\"",ipaddr,if_name);
|
|
}
|
|
|
|
}
|
|
else{
|
|
strtok(tmpaddr,"/"); // Remove possible prefix length.
|
|
execProcess(NULL,"netsh interface ipv6 delete address \"%s\" %s",if_name,tmpaddr);
|
|
}
|
|
|
|
}
|
|
|
|
int
|
|
main(int argc, char **argv)
|
|
{
|
|
int c;
|
|
int slipfd, maxfd;
|
|
int ret;
|
|
fd_set rset, wset;
|
|
FILE *inslip;
|
|
char siodev[10] = "";
|
|
int baudrate = -2;
|
|
|
|
char buf[4000];
|
|
|
|
setvbuf(stdout, NULL, _IOLBF, 0); /* Line buffered output. */
|
|
|
|
memset(&osVersionInfo,0,sizeof(OSVERSIONINFO));
|
|
osVersionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
|
|
GetVersionEx(&osVersionInfo);
|
|
|
|
while((c = getopt(argc, argv, "B:D:hs:c:ra:p:v")) != -1) {
|
|
switch (c) {
|
|
case 'B':
|
|
baudrate = atoi(optarg);
|
|
break;
|
|
|
|
case 's':
|
|
if(strncmp("/dev/", optarg, 5) == 0) {
|
|
strncpy(siodev,optarg + 5,sizeof(siodev)-1);
|
|
}
|
|
else if(strncmp("COM", optarg, 3) == 0) {
|
|
|
|
int portnum;
|
|
|
|
portnum = atoi(optarg+3);
|
|
|
|
if(portnum == 0){
|
|
err(1,"port number is invalid");
|
|
}
|
|
sprintf(siodev,"ttyS%d",portnum-1);
|
|
|
|
/*int i = 0;
|
|
|
|
while(optarg[i] && i < sizeof(siodev) - 1){
|
|
siodev[i] = tolower((int)optarg[i]);
|
|
i++;
|
|
}
|
|
siodev[i] = '\0';*/
|
|
}
|
|
else {
|
|
strncpy(siodev,optarg,sizeof(siodev)-1);
|
|
}
|
|
break;
|
|
|
|
case 'c':
|
|
channel = atoi(optarg);
|
|
set_channel = 1;
|
|
break;
|
|
case 'r':
|
|
sniffer_mode = 1;
|
|
break;
|
|
|
|
case 'a':
|
|
if(autoconf == true){
|
|
errx(1, USAGE_STRING);
|
|
}
|
|
ipaddr = optarg;
|
|
break;
|
|
|
|
case 'p':
|
|
if(ipaddr !=NULL){
|
|
errx(1, USAGE_STRING);
|
|
}
|
|
autoconf = true;
|
|
ipprefix = optarg;
|
|
break;
|
|
|
|
case 'v':
|
|
verbose = true;
|
|
break;
|
|
|
|
case '?':
|
|
case 'h':
|
|
default:
|
|
errx(1,HELP_STRING);
|
|
break;
|
|
}
|
|
}
|
|
argc -= (optind - 1);
|
|
argv += (optind - 1);
|
|
|
|
if(argc != 2 || *siodev == '\0') {
|
|
errx(1, USAGE_STRING);
|
|
}
|
|
|
|
sscanf(argv[1],"%2X-%2X-%2X-%2X-%2X-%2X",
|
|
(int *)ð_addr.addr[0],(int *)ð_addr.addr[1],(int *)ð_addr.addr[2],(int *)ð_addr.addr[3],(int *)ð_addr.addr[4],(int *)ð_addr.addr[5]);
|
|
if_name = wpcap_start(ð_addr, verbose);
|
|
|
|
|
|
if(ipaddr!=NULL){
|
|
addAddress(if_name, ipaddr);
|
|
}
|
|
|
|
|
|
switch(baudrate) {
|
|
case -2:
|
|
break; /* Use default. */
|
|
case 9600:
|
|
b_rate = B9600;
|
|
break;
|
|
case 19200:
|
|
b_rate = B19200;
|
|
break;
|
|
case 38400:
|
|
b_rate = B38400;
|
|
break;
|
|
case 57600:
|
|
b_rate = B57600;
|
|
break;
|
|
case 115200:
|
|
b_rate = B115200;
|
|
break;
|
|
default:
|
|
err(1, "unknown baudrate %d", baudrate);
|
|
break;
|
|
}
|
|
|
|
|
|
//if(siodev != NULL) {
|
|
slipfd = devopen(siodev, O_RDWR | O_NONBLOCK | O_NOCTTY | O_NDELAY | O_DIRECT | O_SYNC );
|
|
if(slipfd == -1) {
|
|
err(1, "can't open siodev ``/dev/%s''", siodev);
|
|
}
|
|
/*} else {
|
|
|
|
err(1, "can't open siodev");
|
|
}*/
|
|
fprintf(stderr, "slip started on ``/dev/%s''\n", siodev);
|
|
stty_telos(slipfd);
|
|
slip_send(SLIP_END);
|
|
inslip = fdopen(slipfd, "r");
|
|
if(inslip == NULL) err(1, "main: fdopen");
|
|
|
|
|
|
atexit(cleanup);
|
|
signal(SIGHUP, sigcleanup);
|
|
signal(SIGTERM, sigcleanup);
|
|
signal(SIGINT, sigcleanup);
|
|
signal(SIGALRM, sigalarm);
|
|
|
|
/* Request mac address from gateway. It may be useful for setting the best
|
|
IPv6 address of the local interface. */
|
|
|
|
|
|
while(1) {
|
|
maxfd = 0;
|
|
FD_ZERO(&rset);
|
|
FD_ZERO(&wset);
|
|
|
|
send_commands();
|
|
|
|
if(!slip_empty()) { /* Anything to flush? */
|
|
FD_SET(slipfd, &wset);
|
|
}
|
|
|
|
FD_SET(slipfd, &rset); /* Read from slip ASAP! */
|
|
if(slipfd > maxfd) maxfd = slipfd;
|
|
#ifdef WITH_STDIN
|
|
FD_SET(STDIN_FILENO, &rset); /* Read from stdin too. */
|
|
if(STDIN_FILENO > maxfd) maxfd = STDIN_FILENO; /* This would not be necessary, since we know STDIN_FILENO is 0. */
|
|
#endif
|
|
|
|
if(slip_empty()) {
|
|
char *pbuf = buf;
|
|
|
|
ret = wpcap_poll(pbuf);
|
|
if( ret > 0 ){
|
|
struct uip_eth_hdr * eth_hdr = (struct uip_eth_hdr *)pbuf;
|
|
|
|
if(eth_hdr->type == htons(UIP_ETHTYPE_IPV6)){
|
|
// We forward only IPv6 packet.
|
|
write_to_serial(pbuf, ret);
|
|
/*print_packet(pbuf, ret);*/
|
|
slip_flushbuf(slipfd);
|
|
}
|
|
}
|
|
}
|
|
{
|
|
struct timeval tv;
|
|
tv.tv_sec = 0;
|
|
tv.tv_usec = 10;
|
|
ret = select(maxfd + 1, &rset, &wset, NULL, &tv);
|
|
}
|
|
if(ret == -1 && errno != EINTR) {
|
|
err(1, "select");
|
|
}
|
|
else if(ret > 0) {
|
|
if(FD_ISSET(slipfd, &rset)) {
|
|
/* printf("serial_to_wpcap\n"); */
|
|
/*serial_to_tun(inslip, tunfd);*/
|
|
serial_to_wpcap(inslip);
|
|
/* printf("End of serial_to_wpcap\n");*/
|
|
}
|
|
|
|
if(FD_ISSET(slipfd, &wset)) {
|
|
slip_flushbuf(slipfd);
|
|
}
|
|
#ifdef WITH_STDIN
|
|
if(FD_ISSET(STDIN_FILENO, &rset)) {
|
|
char inbuf;
|
|
if(fread(&inbuf,1,1,stdin)){
|
|
if(inbuf=='q'){
|
|
exit(0);
|
|
}
|
|
}
|
|
}
|
|
#endif
|
|
}
|
|
}
|
|
}
|