116 lines
2.2 KiB
C
Executable File
116 lines
2.2 KiB
C
Executable File
/*
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* Copyright (c) 1983 Regents of the University of California.
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* All rights reserved. The Berkeley software License Agreement
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* specifies the terms and conditions for redistribution.
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*/
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#ident "@(#)cu.c 1.14 93/12/04 SMI" /* from UCB 5.2 1/13/86 */
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#include "tip.h"
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void cleanup();
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void timeout();
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/*
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* Botch the interface to look like cu's
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*/
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cumain(argc, argv)
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char *argv[];
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{
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register int i;
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static char sbuf[12];
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if (argc < 2) {
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usage:
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fprintf(stderr,
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"usage: cu telno [-t] [-s speed] [-a acu] [-l line] [-#]\n");
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exit(8);
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}
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CU = DV = NOSTR;
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for (; argc > 1; argv++, argc--) {
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if (argv[1][0] != '-')
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PN = argv[1];
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else if (argv[1][1] != '\0' && argv[1][2] != '\0') {
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fprintf(stderr, "cu: extra characters after flag: %s\n",
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argv[1]);
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goto usage;
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} else switch (argv[1][1]) {
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case 't':
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HW = 1, DU = -1;
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--argc;
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continue;
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case 'a':
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CU = argv[2]; ++argv; --argc;
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break;
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case 's':
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if (argc < 3)
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goto usage;
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if (speed(atoi(argv[2])) == 0) {
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fprintf(stderr, "cu: unsupported speed %s\n",
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argv[2]);
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exit(3);
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}
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BR = atoi(argv[2]); ++argv; --argc;
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break;
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case 'l':
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DV = argv[2]; ++argv; --argc;
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break;
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case '0': case '1': case '2': case '3': case '4':
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case '5': case '6': case '7': case '8': case '9':
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if (CU)
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CU[strlen(CU)-1] = argv[1][1];
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if (DV)
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DV[strlen(DV)-1] = argv[1][1];
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break;
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default:
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fprintf(stderr, "cu: bad flag %s\n", argv[1]);
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goto usage;
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}
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}
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signal(SIGINT, cleanup);
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signal(SIGQUIT, cleanup);
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signal(SIGHUP, cleanup);
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signal(SIGTERM, cleanup);
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/*
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* The "cu" host name is used to define the
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* attributes of the generic dialer.
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*/
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sprintf(sbuf, "cu%d", BR);
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if ((i = hunt(sbuf)) == 0) {
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printf("all ports busy\n");
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exit(3);
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}
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if (i == -1) {
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printf("link down\n");
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delock(uucplock);
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exit(3);
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}
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setbuf(stdout, NULL);
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loginit();
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gid = getgid();
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egid = getegid();
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uid = getuid();
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euid = geteuid();
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userperm();
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vinit();
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setparity("none");
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boolean(value(VERBOSE)) = 0;
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if (HW)
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ttysetup(speed(BR));
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if (connect()) {
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printf("Connect failed\n");
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myperm();
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delock(uucplock);
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exit(1);
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}
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if (!HW)
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ttysetup(speed(BR));
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}
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