cu.c revision 7c478bd95313f5f23a4c958a745db2134aa03244
/*
* Copyright 2005 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
/*
* Copyright (c) 1983 Regents of the University of California.
* All rights reserved. The Berkeley software License Agreement
* specifies the terms and conditions for redistribution.
*/
#ident "%Z%%M% %I% %E% SMI" /* from UCB 5.2 1/13/86 */
#include "tip.h"
void cleanup();
void timeout();
/*
* Botch the interface to look like cu's
*/
cumain(argc, argv)
char *argv[];
{
register int i;
static char sbuf[12];
if (argc < 2) {
usage:
fprintf(stderr,
"usage: cu telno [-t] [-s speed] [-a acu] [-l line] [-#]\n");
exit(8);
}
CU = DV = NOSTR;
for (; argc > 1; argv++, argc--) {
if (argv[1][0] != '-')
PN = argv[1];
else if (argv[1][1] != '\0' && argv[1][2] != '\0') {
fprintf(stderr, "cu: extra characters after flag: %s\n",
argv[1]);
goto usage;
} 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)
goto usage;
if (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:
fprintf(stderr, "cu: bad flag %s\n", argv[1]);
goto usage;
}
}
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.
*/
sprintf(sbuf, "cu%d", BR);
if ((i = hunt(sbuf)) == 0) {
printf("all ports busy\n");
exit(3);
}
if (i == -1) {
printf("link down\n");
delock(uucplock);
exit(3);
}
setbuf(stdout, NULL);
loginit();
gid = getgid();
egid = getegid();
uid = getuid();
euid = geteuid();
userperm();
vinit();
setparity("none");
boolean(value(VERBOSE)) = 0;
if (HW)
ttysetup(speed(BR));
if (connect()) {
printf("Connect failed\n");
myperm();
delock(uucplock);
exit(1);
}
if (!HW)
ttysetup(speed(BR));
}