Ejemplo n.º 1
0
int main(int argc, char **argv)
{
	gint i = 0;
		
	for (i = 0; i < MAXLEN;i++)
	{
		header.listhead[i] = (WORDRECPTR) g_malloc(sizeof(WORDREC));
	}
	
	puts("Reading words");
	
	if (!read_infile()){
		for (i = 0; i < MAXLEN;i++)
		{
			free_wordlist(header.listhead[i]);
		}
	
		return 1;
	}
		
	puts("\nWriting words");
	
	//if (!write_outfile())
	//	return 1;
	

	
	return 0;
}
Ejemplo n.º 2
0
int
main(int argc, char **argv)
{
	char *cp, *device;
	int op;
	int dorfmon, useactivate;
	char ebuf[PCAP_ERRBUF_SIZE];
	char *infile;
	char *cmdbuf;
	pcap_t *pd;
	int status = 0;
	int pcap_fd;
#if defined(USE_BPF)
	struct bpf_program bad_fcode;
	struct bpf_insn uninitialized[INSN_COUNT];
#elif defined(USE_SOCKET_FILTERS)
	struct sock_fprog bad_fcode;
	struct sock_filter uninitialized[INSN_COUNT];
#endif
	struct bpf_program fcode;

	device = NULL;
	dorfmon = 0;
	useactivate = 0;
	infile = NULL;

	if ((cp = strrchr(argv[0], '/')) != NULL)
		program_name = cp + 1;
	else
		program_name = argv[0];

	opterr = 0;
	while ((op = getopt(argc, argv, "aF:i:I")) != -1) {
		switch (op) {

		case 'a':
			useactivate = 1;
			break;

		case 'F':
			infile = optarg;
			break;

		case 'i':
			device = optarg;
			break;

		case 'I':
			dorfmon = 1;
			useactivate = 1;	/* required for rfmon */
			break;

		default:
			usage();
			/* NOTREACHED */
		}
	}

	if (device == NULL) {
		/*
		 * No interface specified; get whatever pcap_lookupdev()
		 * finds.
		 */
		device = pcap_lookupdev(ebuf);
		if (device == NULL) {
			error("couldn't find interface to use: %s",
			    ebuf);
		}
	}

	if (infile != NULL) {
		/*
		 * Filter specified with "-F" and a file containing
		 * a filter.
		 */
		cmdbuf = read_infile(infile);
	} else {
		if (optind < argc) {
			/*
			 * Filter specified with arguments on the
			 * command line.
			 */
			cmdbuf = copy_argv(&argv[optind+1]);
		} else {
			/*
			 * No filter specified; use an empty string, which
			 * compiles to an "accept all" filter.
			 */
			cmdbuf = "";
		}
	}

	if (useactivate) {
		pd = pcap_create(device, ebuf);
		if (pd == NULL)
			error("%s: pcap_create() failed: %s", device, ebuf);
		status = pcap_set_snaplen(pd, 65535);
		if (status != 0)
			error("%s: pcap_set_snaplen failed: %s",
			    device, pcap_statustostr(status));
		status = pcap_set_promisc(pd, 1);
		if (status != 0)
			error("%s: pcap_set_promisc failed: %s",
			    device, pcap_statustostr(status));
		if (dorfmon) {
			status = pcap_set_rfmon(pd, 1);
			if (status != 0)
				error("%s: pcap_set_rfmon failed: %s",
				    device, pcap_statustostr(status));
		}
		status = pcap_set_timeout(pd, 1000);
		if (status != 0)
			error("%s: pcap_set_timeout failed: %s",
			    device, pcap_statustostr(status));
		status = pcap_activate(pd);
		if (status < 0) {
			/*
			 * pcap_activate() failed.
			 */
			error("%s: %s\n(%s)", device,
			    pcap_statustostr(status), pcap_geterr(pd));
		} else if (status > 0) {
			/*
			 * pcap_activate() succeeded, but it's warning us
			 * of a problem it had.
			 */
			warning("%s: %s\n(%s)", device,
			    pcap_statustostr(status), pcap_geterr(pd));
		}
	} else {
		*ebuf = '\0';
		pd = pcap_open_live(device, 65535, 1, 1000, ebuf);
		if (pd == NULL)
			error("%s", ebuf);
		else if (*ebuf)
			warning("%s", ebuf);
	}

	pcap_fd = pcap_fileno(pd);

	/*
	 * Try setting a filter with an uninitialized bpf_program
	 * structure.  This should cause valgrind to report a
	 * problem.
	 *
	 * We don't check for errors, because it could get an
	 * error due to a bad pointer or count.
	 */
#if defined(USE_BPF)
	ioctl(pcap_fd, BIOCSETF, &bad_fcode);
#elif defined(USE_SOCKET_FILTERS)
	setsockopt(pcap_fd, SOL_SOCKET, SO_ATTACH_FILTER, &bad_fcode,
	    sizeof(bad_fcode));
#endif

	/*
	 * Try setting a filter with an initialized bpf_program
	 * structure that points to an uninitialized program.
	 * That should also cause valgrind to report a problem.
	 *
	 * We don't check for errors, because it could get an
	 * error due to a bad pointer or count.
	 */
#if defined(USE_BPF)
	bad_fcode.bf_len = INSN_COUNT;
	bad_fcode.bf_insns = uninitialized;
	ioctl(pcap_fd, BIOCSETF, &bad_fcode);
#elif defined(USE_SOCKET_FILTERS)
	bad_fcode.len = INSN_COUNT;
	bad_fcode.filter = uninitialized;
	setsockopt(pcap_fd, SOL_SOCKET, SO_ATTACH_FILTER, &bad_fcode,
	    sizeof(bad_fcode));
#endif

	/*
	 * Now compile a filter and set the filter with that.
	 * That should *not* cause valgrind to report a
	 * problem.
	 */
	if (pcap_compile(pd, &fcode, cmdbuf, 1, 0) < 0)
		error("can't compile filter: %s", pcap_geterr(pd));
	if (pcap_setfilter(pd, &fcode) < 0)
		error("can't set filter: %s", pcap_geterr(pd));

	pcap_close(pd);
	exit(status < 0 ? 1 : 0);
}
Ejemplo n.º 3
0
int
main(int argc, char **argv)
{
	char *cp;
	int op;
#ifndef BDEBUG
	int dflag;
#endif
	char *infile;
	int Oflag;
	long snaplen;
	char *p;
	int dlt;
	int have_fcode = 0;
	bpf_u_int32 netmask = PCAP_NETMASK_UNKNOWN;
	char *cmdbuf;
	pcap_t *pd;
	struct bpf_program fcode;

#ifdef _WIN32
	if (pcap_wsockinit() != 0)
		return 1;
#endif /* _WIN32 */

#ifndef BDEBUG
	dflag = 1;
#else
	/* if optimizer debugging is enabled, output DOT graph
	 * `dflag=4' is equivalent to -dddd to follow -d/-dd/-ddd
	 * convention in tcpdump command line
	 */
	dflag = 4;
#endif
	infile = NULL;
	Oflag = 1;
	snaplen = 68;

	if ((cp = strrchr(argv[0], '/')) != NULL)
		program_name = cp + 1;
	else
		program_name = argv[0];

	opterr = 0;
	while ((op = getopt(argc, argv, "dF:m:Os:")) != -1) {
		switch (op) {

		case 'd':
			++dflag;
			break;

		case 'F':
			infile = optarg;
			break;

		case 'O':
			Oflag = 0;
			break;

		case 'm': {
			bpf_u_int32 addr;

			switch (inet_pton(AF_INET, optarg, &addr)) {

			case 0:                        
				error("invalid netmask %s", optarg);
				break;

			case -1:
				error("invalid netmask %s: %s", optarg,
				    pcap_strerror(errno));
				break;

			case 1:
				netmask = addr;
				break;
			}
			break;
		}

		case 's': {
			char *end;

			snaplen = strtol(optarg, &end, 0);
			if (optarg == end || *end != '\0'
			    || snaplen < 0 || snaplen > 65535)
				error("invalid snaplen %s", optarg);
			else if (snaplen == 0)
				snaplen = 65535;
			break;
		}

		default:
			usage();
			/* NOTREACHED */
		}
	}

	if (optind >= argc) {
		usage();
		/* NOTREACHED */
	}

	dlt = pcap_datalink_name_to_val(argv[optind]);
	if (dlt < 0) {
		dlt = (int)strtol(argv[optind], &p, 10);
		if (p == argv[optind] || *p != '\0')
			error("invalid data link type %s", argv[optind]);
	}

	if (infile)
		cmdbuf = read_infile(infile);
	else
		cmdbuf = copy_argv(&argv[optind+1]);

	pd = pcap_open_dead(dlt, snaplen);
	if (pd == NULL)
		error("Can't open fake pcap_t");

	if (pcap_compile(pd, &fcode, cmdbuf, Oflag, netmask) < 0)
		error("%s", pcap_geterr(pd));

	have_fcode = 1;
	if (!bpf_validate(fcode.bf_insns, fcode.bf_len))
		warn("Filter doesn't pass validation");

#ifdef BDEBUG
	if (cmdbuf != NULL) {
		// replace line feed with space
		for (cp = cmdbuf; *cp != '\0'; ++cp) {
			if (*cp == '\r' || *cp == '\n') {
				*cp = ' ';
			}
		}
		// only show machine code if BDEBUG defined, since dflag > 3
		printf("machine codes for filter: %s\n", cmdbuf);
	} else
		printf("machine codes for empty filter:\n");
#endif

	bpf_dump(&fcode, dflag);
	free(cmdbuf);
	if (have_fcode)
		pcap_freecode (&fcode);
	pcap_close(pd);
	exit(0);
}
Ejemplo n.º 4
0
int
main(int argc, char **argv)
{
	char *cp;
	int op;
	int dflag;
	char *infile;
	int Oflag;
	long snaplen;
	int dlt;
	bpf_u_int32 netmask = PCAP_NETMASK_UNKNOWN;
	char *cmdbuf;
	pcap_t *pd;
	struct bpf_program fcode;

#ifdef WIN32
	if(wsockinit() != 0) return 1;
#endif /* WIN32 */

	dflag = 1;
	infile = NULL;
	Oflag = 1;
	snaplen = 68;
  
	if ((cp = strrchr(argv[0], '/')) != NULL)
		program_name = cp + 1;
	else
		program_name = argv[0];

	opterr = 0;
	while ((op = getopt(argc, argv, "dF:m:Os:")) != -1) {
		switch (op) {

		case 'd':
			++dflag;
			break;

		case 'F':
			infile = optarg;
			break;

		case 'O':
			Oflag = 0;
			break;

		case 'm': {
			in_addr_t addr;

			addr = inet_addr(optarg);
			if (addr == INADDR_NONE)
				error("invalid netmask %s", optarg);
			netmask = addr;
			break;
		}

		case 's': {
			char *end;

			snaplen = strtol(optarg, &end, 0);
			if (optarg == end || *end != '\0'
			    || snaplen < 0 || snaplen > 65535)
				error("invalid snaplen %s", optarg);
			else if (snaplen == 0)
				snaplen = 65535;
			break;
		}

		default:
			usage();
			/* NOTREACHED */
		}
	}

	if (optind >= argc) {
		usage();
		/* NOTREACHED */
	}

	dlt = pcap_datalink_name_to_val(argv[optind]);
	if (dlt < 0)
		error("invalid data link type %s", argv[optind]);
	
	if (infile)
		cmdbuf = read_infile(infile);
	else
		cmdbuf = copy_argv(&argv[optind+1]);

	pd = pcap_open_dead(dlt, snaplen);
	if (pd == NULL)
		error("Can't open fake pcap_t");

	if (pcap_compile(pd, &fcode, cmdbuf, Oflag, netmask) < 0)
		error("%s", pcap_geterr(pd));
	if (!bpf_validate(fcode.bf_insns, fcode.bf_len))
		warn("Filter doesn't pass validation");
	bpf_dump(&fcode, dflag);
	pcap_close(pd);
	exit(0);
}
Ejemplo n.º 5
0
int
main(int argc, char **argv)
{
	register int cnt, op, i;
	bpf_u_int32 localnet, netmask;
	register char *cp, *infile, *cmdbuf, *device, *RFileName, *WFileName;
	pcap_handler printer;
	struct bpf_program fcode;
	RETSIGTYPE (*oldhandler)(int);
	u_char *pcap_userdata;
	char ebuf[PCAP_ERRBUF_SIZE];

	cnt = -1;
	device = NULL;
	infile = NULL;
	RFileName = NULL;
	WFileName = NULL;
	if ((cp = strrchr(argv[0], '/')) != NULL)
		program_name = cp + 1;
	else
		program_name = argv[0];

	if (abort_on_misalignment(ebuf) < 0)
		error("%s", ebuf);

	opterr = 0;
	while (
	    (op = getopt(argc, argv, "ac:defF:i:lnNOpqr:s:StT:vw:xY")) != EOF)
		switch (op) {

		case 'a':
			++aflag;
			break;

		case 'c':
			cnt = atoi(optarg);
			if (cnt <= 0)
				error("invalid packet count %s", optarg);
			break;

		case 'd':
			++dflag;
			break;

		case 'e':
			++eflag;
			break;

		case 'f':
			++fflag;
			break;

		case 'F':
			infile = optarg;
			break;

		case 'i':
			device = optarg;
			break;

		case 'l':
#ifdef HAVE_SETLINEBUF
			setlinebuf(stdout);
#else
			setvbuf(stdout, NULL, _IOLBF, 0);
#endif
			break;

		case 'n':
			++nflag;
			break;

		case 'N':
			++Nflag;
			break;

		case 'O':
			Oflag = 0;
			break;

		case 'p':
			++pflag;
			break;

		case 'q':
			++qflag;
			break;

		case 'r':
			RFileName = optarg;
			break;

		case 's':
			snaplen = atoi(optarg);
			if (snaplen <= 0)
				error("invalid snaplen %s", optarg);
			break;

		case 'S':
			++Sflag;
			break;

		case 't':
			--tflag;
			break;

		case 'T':
			if (strcasecmp(optarg, "vat") == 0)
				packettype = PT_VAT;
			else if (strcasecmp(optarg, "wb") == 0)
				packettype = PT_WB;
			else if (strcasecmp(optarg, "rpc") == 0)
				packettype = PT_RPC;
			else if (strcasecmp(optarg, "rtp") == 0)
				packettype = PT_RTP;
			else if (strcasecmp(optarg, "rtcp") == 0)
				packettype = PT_RTCP;
			else
				error("unknown packet type `%s'", optarg);
			break;

		case 'v':
			++vflag;
			break;

		case 'w':
			WFileName = optarg;
			break;
#ifdef YYDEBUG
		case 'Y':
			{
			/* Undocumented flag */
			extern int yydebug;
			yydebug = 1;
			}
			break;
#endif
		case 'x':
			++xflag;
			break;

		default:
			usage();
			/* NOTREACHED */
		}

	if (aflag && nflag)
		error("-a and -n options are incompatible");

	if (tflag > 0)
		thiszone = gmt2local(0);

	if (RFileName != NULL) {
		/*
		 * We don't need network access, so set it back to the user id.
		 * Also, this prevents the user from reading anyone's
		 * trace file.
		 */
		setuid(getuid());

		pd = pcap_open_offline(RFileName, ebuf);
		if (pd == NULL)
			error("%s", ebuf);
		localnet = 0;
		netmask = 0;
		if (fflag != 0)
			error("-f and -r options are incompatible");
	} else {
		if (device == NULL) {
			device = pcap_lookupdev(ebuf);
			if (device == NULL)
				error("%s", ebuf);
		}
		pd = pcap_open_live(device, snaplen, !pflag, 1000, ebuf);
		if (pd == NULL)
			error("%s", ebuf);
		i = pcap_snapshot(pd);
		if (snaplen < i) {
			warning("snaplen raised from %d to %d", snaplen, i);
			snaplen = i;
		}
		if (pcap_lookupnet(device, &localnet, &netmask, ebuf) < 0) {
			localnet = 0;
			netmask = 0;
			warning("%s", ebuf);
		}
		/*
		 * Let user own process after socket has been opened.
		 */
		setuid(getuid());
	}
	if (infile)
		cmdbuf = read_infile(infile);
	else
		cmdbuf = copy_argv(&argv[optind]);

	if (pcap_compile(pd, &fcode, cmdbuf, Oflag, netmask) < 0)
		error("%s", pcap_geterr(pd));
	if (dflag) {
		bpf_dump(&fcode, dflag);
		exit(0);
	}
	init_addrtoname(localnet, netmask);

	(void)setsignal(SIGTERM, cleanup);
	(void)setsignal(SIGINT, cleanup);
	/* Cooperate with nohup(1) */
	if ((oldhandler = setsignal(SIGHUP, cleanup)) != SIG_DFL)
		(void)setsignal(SIGHUP, oldhandler);

	if (pcap_setfilter(pd, &fcode) < 0)
		error("%s", pcap_geterr(pd));
	if (WFileName) {
		pcap_dumper_t *p = pcap_dump_open(pd, WFileName);
		if (p == NULL)
			error("%s", pcap_geterr(pd));
		printer = pcap_dump;
		pcap_userdata = (u_char *)p;
	} else {
		printer = lookup_printer(pcap_datalink(pd));
		pcap_userdata = 0;
	}
	if (RFileName == NULL) {
		(void)fprintf(stderr, "%s: listening on %s\n",
		    program_name, device);
		(void)fflush(stderr);
	}
	if (pcap_loop(pd, cnt, printer, pcap_userdata) < 0) {
		(void)fprintf(stderr, "%s: pcap_loop: %s\n",
		    program_name, pcap_geterr(pd));
		exit(1);
	}
	pcap_close(pd);
	exit(0);
}