/*
 * Copyright (c) 1983, 1993
 *      The Regents of the University of California.  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 University 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 REGENTS 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 REGENTS 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.
 *
 * @(#)cu.c     8.1 (Berkeley) 6/6/93
 * $FreeBSD: src/usr.bin/tip/tip/cu.c,v 1.4 1999/08/28 01:06:33 peter Exp $
 */

#include "tip.h"
#include <libutil.h>

/*
 * 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);
}