Ejemplo n.º 1
0
/*
 * Botch the interface to look like cu's
 */
void
cumain(int argc, char *argv[])
{
	int i;
	static char sbuf[12];

	if (argc < 2) {
		printf("usage: cu telno [-t] [-s speed] [-a acu] [-l line] [-#]\n");
		exit(8);
	}
	CU = DV = NULL;
	BR = DEFBR;
	for (; argc > 1; argv++, argc--) {
		if (argv[1][0] != '-')
			PN = argv[1];
		else switch (argv[1][1]) {

		case 't':
			HW = 1, DU = -1;
			--argc;
			continue;

		case 'a':
			CU = argv[2]; ++argv; --argc;
			break;

		case 's':
			if (argc < 3 || speed(atoi(argv[2])) == 0) {
				fprintf(stderr, "cu: unsupported speed %s\n",
					argv[2]);
				exit(3);
			}
			BR = atoi(argv[2]); ++argv; --argc;
			break;

		case 'l':
			DV = argv[2]; ++argv; --argc;
			break;

		case '0': case '1': case '2': case '3': case '4':
		case '5': case '6': case '7': case '8': case '9':
			if (CU)
				CU[strlen(CU)-1] = argv[1][1];
			if (DV)
				DV[strlen(DV)-1] = argv[1][1];
			break;

		default:
			printf("Bad flag %s", argv[1]);
			break;
		}
	}
	signal(SIGINT, cleanup);
	signal(SIGQUIT, cleanup);
	signal(SIGHUP, cleanup);
	signal(SIGTERM, cleanup);

	/*
	 * The "cu" host name is used to define the
	 * attributes of the generic dialer.
	 */
	(void)snprintf(sbuf, sizeof(sbuf), "cu%ld", BR);
	if ((i = hunt(sbuf)) == 0) {
		printf("all ports busy\n");
		exit(3);
	}
	if (i == -1) {
		printf("link down\n");
		(void)uu_unlock(uucplock);
		exit(3);
	}
	setbuf(stdout, NULL);
	loginit();
	user_uid();
	vinit();
	setparity("none");
	boolean(value(VERBOSE)) = 0;
	if (HW)
		ttysetup(speed(BR));
	if (connect()) {
		printf("Connect failed\n");
		daemon_uid();
		(void)uu_unlock(uucplock);
		exit(1);
	}
	if (!HW)
		ttysetup(speed(BR));
	exit(0);
}
Ejemplo n.º 2
0
/*
 * Botch the interface to look like cu's
 */
void
cumain(int argc, char *argv[])
{
	int ch, i, parity;
	long l;
	char *cp;
	static char sbuf[12];

	if (argc < 2)
		cuusage();
	CU = DV = NOSTR;
	BR = DEFBR;
	parity = 0;	/* none */

	/*
	 * We want to accept -# as a speed.  It's easiest to look through
	 * the arguments, replace -# with -s#, and let getopt() handle it.
	 */
	for (i = 1; i < argc; i++) {
		if (argv[i][0] == '-' &&
		    argv[i][1] >= '0' && argv[i][1] <= '9') {
			asprintf(&cp, "-s%s", argv[i] + 1);
			if (cp == NULL) {
				fprintf(stderr,
				    "%s: cannot convert -# to -s#\n",
				    __progname);
				exit(3);
			}
			argv[i] = cp;
		}
	}

	while ((ch = getopt(argc, argv, "a:l:s:htoe")) != -1) {
		switch (ch) {
		case 'a':
			CU = optarg;
			break;
		case 'l':
			if (DV != NULL) {
				fprintf(stderr,
				    "%s: cannot specificy multiple -l options\n",
				    __progname);
				exit(3);
			}
			if (strchr(optarg, '/'))
				DV = optarg;
			else
				asprintf(&DV, "/dev/%s", optarg);
			break;
		case 's':
			l = strtol(optarg, &cp, 10);
			if (*cp != '\0' || l < 0 || l >= INT_MAX) {
				fprintf(stderr, "%s: unsupported speed %s\n",
				    __progname, optarg);
				exit(3);
			}
			BR = (int)l;
			break;
		case 'h':
			setboolean(value(LECHO), TRUE);
			HD = TRUE;
			break;
		case 't':
			HW = 1, DU = -1;
			break;
		case 'o':
			if (parity != 0)
				parity = 0;	/* -e -o */
			else
				parity = 1;	/* odd */
			break;
		case 'e':
			if (parity != 0)
				parity = 0;	/* -o -e */
			else
				parity = -1;	/* even */
			break;
		default:
			cuusage();
			break;
		}
	}
	argc -= optind;
	argv += optind;

	switch (argc) {
	case 1:
		PN = argv[0];
		break;
	case 0:
		break;
	default:
		cuusage();
		break;
	}

	signal(SIGINT, cleanup);
	signal(SIGQUIT, cleanup);
	signal(SIGHUP, cleanup);
	signal(SIGTERM, cleanup);
	signal(SIGCHLD, SIG_DFL);

	/*
	 * The "cu" host name is used to define the
	 * attributes of the generic dialer.
	 */
	(void)snprintf(sbuf, sizeof(sbuf), "cu%ld", BR);
	if ((i = hunt(sbuf)) == 0) {
		printf("all ports busy\n");
		exit(3);
	}
	if (i == -1) {
		printf("link down\n");
		(void)uu_unlock(uucplock);
		exit(3);
	}
	setbuf(stdout, NULL);
	loginit();
	user_uid();
	vinit();
	switch (parity) {
	case -1:
		setparity("even");
		break;
	case 1:
		setparity("odd");
		break;
	default:
		setparity("none");
		break;
	}
	setboolean(value(VERBOSE), FALSE);
	if (HW && ttysetup(BR)) {
		fprintf(stderr, "%s: unsupported speed %ld\n",
		    __progname, BR);
		daemon_uid();
		(void)uu_unlock(uucplock);
		exit(3);
	}
	if (con()) {
		printf("Connect failed\n");
		daemon_uid();
		(void)uu_unlock(uucplock);
		exit(1);
	}
	if (!HW && ttysetup(BR)) {
		fprintf(stderr, "%s: unsupported speed %ld\n",
		    __progname, BR);
		daemon_uid();
		(void)uu_unlock(uucplock);
		exit(3);
	}
}
Ejemplo n.º 3
0
Archivo: tip.c Proyecto: 2asoft/freebsd
int
main(int argc, char *argv[])
{
	char *sys = NOSTR, sbuf[12], *p;
	int i;

	/* XXX preserve previous braindamaged behavior */
	setboolean(value(DC), TRUE);

	gid = getgid();
	egid = getegid();
	uid = getuid();
	euid = geteuid();
	if (equal(__progname, "cu")) {
		cumode = 1;
		cumain(argc, argv);
		goto cucommon;
	}

	if (argc > 4) {
		fprintf(stderr, "usage: tip [-v] [-speed] [system-name]\n");
		exit(1);
	}
	if (!isatty(0)) {
		fprintf(stderr, "%s: must be interactive\n", __progname);
		exit(1);
	}

	for (; argc > 1; argv++, argc--) {
		if (argv[1][0] != '-')
			sys = argv[1];
		else switch (argv[1][1]) {

		case 'v':
			vflag++;
			break;

		case 'n':
			noesc++;
			break;

		case '0': case '1': case '2': case '3': case '4':
		case '5': case '6': case '7': case '8': case '9':
			BR = atoi(&argv[1][1]);
			break;

		default:
			fprintf(stderr, "%s: %s, unknown option\n", __progname,
			    argv[1]);
			break;
		}
	}

	if (sys == NOSTR)
		goto notnumber;
	if (isalpha(*sys))
		goto notnumber;
	/*
	 * System name is really a phone number...
	 * Copy the number then stomp on the original (in case the number
	 *	is private, we don't want 'ps' or 'w' to find it).
	 */
	if (strlen(sys) > sizeof PNbuf - 1) {
		fprintf(stderr, "%s: phone number too long (max = %d bytes)\n",
			__progname, (int)sizeof(PNbuf) - 1);
		exit(1);
	}
	strlcpy(PNbuf, sys, sizeof PNbuf - 1);
	for (p = sys; *p; p++)
		*p = '\0';
	PN = PNbuf;
	(void)snprintf(sbuf, sizeof(sbuf), "tip%ld", BR);
	sys = sbuf;

notnumber:
	(void)signal(SIGINT, cleanup);
	(void)signal(SIGQUIT, cleanup);
	(void)signal(SIGHUP, cleanup);
	(void)signal(SIGTERM, cleanup);
	(void)signal(SIGCHLD, SIG_DFL);

	if ((i = hunt(sys)) == 0) {
		printf("all ports busy\n");
		exit(3);
	}
	if (i == -1) {
		printf("link down\n");
		(void)uu_unlock(uucplock);
		exit(3);
	}
	setbuf(stdout, NULL);
	loginit();

	/*
	 * Now that we have the logfile and the ACU open
	 *  return to the real uid and gid.  These things will
	 *  be closed on exit.  Swap real and effective uid's
	 *  so we can get the original permissions back
	 *  for removing the uucp lock.
	 */
	user_uid();

	/*
	 * Kludge, their's no easy way to get the initialization
	 *   in the right order, so force it here
	 */
	if ((PH = getenv("PHONES")) == NOSTR)
		PH = _PATH_PHONES;
	vinit();				/* init variables */
	setparity("none");			/* set the parity table */

	/*
	 * Hardwired connections require the
	 *  line speed set before they make any transmissions
	 *  (this is particularly true of things like a DF03-AC)
	 */
	if (HW && ttysetup(number(value(BAUDRATE)))) {
		fprintf(stderr, "%s: bad baud rate %ld\n", __progname,
		    number(value(BAUDRATE)));
		daemon_uid();
		(void)uu_unlock(uucplock);
		exit(3);
	}
	if ((p = con())) {
		printf("\07%s\n[EOT]\n", p);
		daemon_uid();
		(void)uu_unlock(uucplock);
		exit(1);
	}
	if (!HW && ttysetup(number(value(BAUDRATE)))) {
		fprintf(stderr, "%s: bad baud rate %ld\n", __progname,
		    number(value(BAUDRATE)));
		daemon_uid();
		(void)uu_unlock(uucplock);
		exit(3);
	}
cucommon:
	/*
	 * From here down the code is shared with
	 * the "cu" version of tip.
	 */

	i = fcntl(FD, F_GETFL);
	if (i == -1) {
		perror("fcntl");
		cleanup(0);
	}
	i = fcntl(FD, F_SETFL, i & ~O_NONBLOCK);
	if (i == -1) {
		perror("fcntl");
		cleanup(0);
	}

	tcgetattr(0, &defterm);
	gotdefterm = 1;
	term = defterm;
	term.c_lflag &= ~(ICANON|IEXTEN|ECHO);
	term.c_iflag &= ~(INPCK|ICRNL);
	term.c_oflag &= ~OPOST;
	term.c_cc[VMIN] = 1;
	term.c_cc[VTIME] = 0;
	defchars = term;
	term.c_cc[VINTR] = term.c_cc[VQUIT] = term.c_cc[VSUSP] =
	    term.c_cc[VDSUSP] = term.c_cc[VDISCARD] =
	    term.c_cc[VLNEXT] = _POSIX_VDISABLE;
	raw();

	pipe(fildes); pipe(repdes);
	(void)signal(SIGALRM, timeout);

	if (value(LINEDISC) != TTYDISC) {
		int ld = (int)(intptr_t)value(LINEDISC);
		ioctl(FD, TIOCSETD, &ld);
	}		

	/*
	 * Everything's set up now:
	 *	connection established (hardwired or dialup)
	 *	line conditioned (baud rate, mode, etc.)
	 *	internal data structures (variables)
	 * so, fork one process for local side and one for remote.
	 */
	printf(cumode ? "Connected\r\n" : "\07connected\r\n");
	tipin_pid = getpid();
	if ((tipout_pid = fork()))
		tipin();
	else
		tipout();
	/*NOTREACHED*/
	exit(0);
}
Ejemplo n.º 4
0
int
main(int argc, char *argv[])
{
	char *system = NULL;
	int i;
	char *p;
	char sbuf[12];

	gid = getgid();
	egid = getegid();
	uid = getuid();
	euid = geteuid();

#if INCLUDE_CU_INTERFACE
	if (equal(sname(argv[0]), "cu")) {
		cumode = 1;
		cumain(argc, argv);
		goto cucommon;
	}
#endif /* INCLUDE_CU_INTERFACE */

	if (argc > 4)
		usage();
	if (!isatty(0))
		errx(1, "must be interactive");

	for (; argc > 1; argv++, argc--) {
		if (argv[1][0] != '-')
			system = argv[1];
		else switch (argv[1][1]) {

		case 'v':
			vflag++;
			break;

		case '0': case '1': case '2': case '3': case '4':
		case '5': case '6': case '7': case '8': case '9':
			BR = atoi(&argv[1][1]);
			break;

		default:
			warnx("%s, unknown option", argv[1]);
			break;
		}
	}

	if (system == NULL)
		goto notnumber;
	if (isalpha(*system))
		goto notnumber;
	/*
	 * System name is really a phone number...
	 * Copy the number then stomp on the original (in case the number
	 *	is private, we don't want 'ps' or 'w' to find it).
	 */
	if (strlen(system) > sizeof(PNbuf) - 1)
		errx(1, "phone number too long (max = %zd bytes)", sizeof PNbuf - 1);
	strncpy(PNbuf, system, sizeof(PNbuf) - 1);
	for (p = system; *p; p++)
		*p = '\0';
	PN = PNbuf;
	(void)snprintf(sbuf, sizeof(sbuf), "tip%ld", BR);
	system = sbuf;

notnumber:
	(void)signal(SIGINT, cleanup);
	(void)signal(SIGQUIT, cleanup);
	(void)signal(SIGHUP, cleanup);
	(void)signal(SIGTERM, cleanup);
	(void)signal(SIGUSR1, tipdone);

	if ((i = hunt(system)) == 0) {
		printf("all ports busy\n");
		exit(3);
	}
	if (i == -1) {
		printf("link down\n");
		(void)uu_unlock(uucplock);
		exit(3);
	}
	setbuf(stdout, NULL);
	loginit();

	/*
	 * Kludge, their's no easy way to get the initialization
	 *   in the right order, so force it here
	 */
	if ((PH = getenv("PHONES")) == NULL)
		PH = _PATH_PHONES;
	vinit();				/* init variables */
	setparity("even");			/* set the parity table */
	if ((i = speed(number(value(BAUDRATE)))) == 0) {
		printf("tip: bad baud rate %d\n", number(value(BAUDRATE)));
		(void)uu_unlock(uucplock);
		exit(3);
	}

	/*
	 * Now that we have the logfile and the ACU open
	 *  return to the real uid and gid.  These things will
	 *  be closed on exit.  Swap real and effective uid's
	 *  so we can get the original permissions back
	 *  for removing the uucp lock.
	 */
	user_uid();

	/*
	 * Hardwired connections require the
	 *  line speed set before they make any transmissions
	 *  (this is particularly true of things like a DF03-AC)
	 */
	if (HW)
		ttysetup(i);
	if ((p = connect())) {
		printf("\07%s\n[EOT]\n", p);
		daemon_uid();
		(void)uu_unlock(uucplock);
		exit(1);
	}
	if (!HW)
		ttysetup(i);
cucommon:
	/*
	 * From here down the code is shared with
	 * the "cu" version of tip.
	 */

#if HAVE_TERMIOS
	tcgetattr (0, &otermios);
	ctermios = otermios;
#ifndef _POSIX_SOURCE
	ctermios.c_iflag = (IMAXBEL|IXANY|ISTRIP|IXON|BRKINT);
	ctermios.c_lflag = (PENDIN|IEXTEN|ISIG|ECHOCTL|ECHOE|ECHOKE);
#else
	ctermios.c_iflag = (ISTRIP|IXON|BRKINT);
	ctermios.c_lflag = (PENDIN|IEXTEN|ISIG|ECHOE);
#endif
	ctermios.c_cflag = (CLOCAL|HUPCL|CREAD|CS8);
	ctermios.c_cc[VINTR] = 	ctermios.c_cc[VQUIT] = -1;
	ctermios.c_cc[VSUSP] = ctermios.c_cc[VDSUSP] = ctermios.c_cc[VDISCARD] =
		ctermios.c_cc[VLNEXT] = -1;
#else /* HAVE_TERMIOS */
	ioctl(0, TIOCGETP, (char *)&defarg);
	ioctl(0, TIOCGETC, (char *)&defchars);
	ioctl(0, TIOCGLTC, (char *)&deflchars);
	ioctl(0, TIOCGETD, (char *)&odisc);
	arg = defarg;
	arg.sg_flags = ANYP | CBREAK;
	tchars = defchars;
	tchars.t_intrc = tchars.t_quitc = -1;
	ltchars = deflchars;
	ltchars.t_suspc = ltchars.t_dsuspc = ltchars.t_flushc
		= ltchars.t_lnextc = -1;
#endif /* HAVE_TERMIOS */
	raw();

	pipe(fildes); pipe(repdes);
	(void)signal(SIGALRM, timeoutfunc);

	/*
	 * Everything's set up now:
	 *	connection established (hardwired or dialup)
	 *	line conditioned (baud rate, mode, etc.)
	 *	internal data structures (variables)
	 * so, fork one process for local side and one for remote.
	 */
	printf(cumode ? "Connected\r\n" : "\07connected\r\n");

	if (LI != NULL && tiplink (LI, 0) != 0) {
		tipabort ("login failed");
	}

	if ((pid = fork()))
		tipin();
	else
		tipout();
	/*NOTREACHED*/
}