-/* cu.c 4.1 81/11/29 */
+/*
+ * Copyright (c) 1983 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. All advertising materials mentioning features or use of this software
+ * must display the following acknowledgement:
+ * This product includes software developed by the University of
+ * California, Berkeley and its contributors.
+ * 4. 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.
+ */
+
+#ifndef lint
+static char sccsid[] = "@(#)cu.c 5.9 (Berkeley) 6/1/90";
+#endif /* not lint */
#include "tip.h"
-int cleanup();
-int timeout();
+void cleanup();
/*
* Botch the interface to look like cu's
char *argv[];
{
register int i;
+ static char sbuf[12];
- signal(SIGINT, cleanup);
- signal(SIGQUIT, cleanup);
- signal(SIGHUP, cleanup);
- signal(SIGTERM, cleanup);
- setbuf(stdout, NULL);
- loginit();
- setuid(getuid());
- setgid(getgid());
- vinit();
- boolean(value(VERBOSE)) = 0;
if (argc < 2) {
- printf("usage: cu telno [-t] [-s speed] [-a acu] [-l line]\n");
+ printf("usage: cu telno [-t] [-s speed] [-a acu] [-l line] [-#]\n");
exit(8);
}
+ CU = DV = NOSTR;
+ BR = DEFBR;
for (; argc > 1; argv++, argc--) {
if (argv[1][0] != '-')
PN = argv[1];
- else switch(argv[1][1]) {
+ else switch (argv[1][1]) {
case 't':
HW = 1, DU = -1;
break;
case 's':
- if (speed(atoi(argv[2])) == 0) {
- printf("cu: unsupported speed %s\n", argv[2]);
+ 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;
case '0': case '1': case '2': case '3': case '4':
case '5': case '6': case '7': case '8': case '9':
- CU[strlen(CU)-1] = argv[1][1];
+ if (CU)
+ CU[strlen(CU)-1] = argv[1][1];
+ if (DV)
+ DV[strlen(DV)-1] = argv[1][1];
break;
default:
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.
*/
- if ((i = hunt("cu")) == 0) {
+ (void)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);
+ (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");
- delock(uucplock);
+ daemon_uid();
+ (void)uu_unlock(uucplock);
exit(1);
}
if (!HW)