GCC Code Coverage Report
Directory: ./ Exec Total Coverage
File: usr.bin/telnet/main.c Lines: 0 86 0.0 %
Date: 2017-11-13 Branches: 0 45 0.0 %

Line Branch Exec Source
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/*	$OpenBSD: main.c,v 1.36 2015/12/06 12:00:16 tobias Exp $	*/
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/*	$NetBSD: main.c,v 1.5 1996/02/28 21:04:05 thorpej Exp $	*/
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/*
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 * Copyright (c) 1988, 1990, 1993
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 *	The Regents of the University of California.  All rights reserved.
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 *
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 * Redistribution and use in source and binary forms, with or without
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 * modification, are permitted provided that the following conditions
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 * are met:
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 * 1. Redistributions of source code must retain the above copyright
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 *    notice, this list of conditions and the following disclaimer.
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 * 2. Redistributions in binary form must reproduce the above copyright
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 *    notice, this list of conditions and the following disclaimer in the
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 *    documentation and/or other materials provided with the distribution.
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 * 3. Neither the name of the University nor the names of its contributors
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 *    may be used to endorse or promote products derived from this software
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 *    without specific prior written permission.
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 *
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 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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 * SUCH DAMAGE.
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 */
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#include "telnet_locl.h"
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#include <sys/socket.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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int family = AF_UNSPEC;
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int rtableid = -1;
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/*
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 * Initialize variables.
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 */
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void
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tninit(void)
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{
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    init_terminal();
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    init_network();
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    init_telnet();
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    init_sys();
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}
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static __dead void
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usage(void)
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{
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	extern char *__progname;
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	(void)fprintf(stderr,
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	    "usage: %s [-4678acDEKLr] [-b hostalias] [-e escapechar] "
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	    "[-l user]\n"
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	    "\t[-n tracefile] [-V rtable] [host [port]]\n",
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	    __progname);
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	exit(1);
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}
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/*
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 * main.  Parse arguments, invoke the protocol or command parser.
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 */
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int
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main(int argc, char *argv[])
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{
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	int ch;
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	extern char *__progname;
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	char *user, *alias;
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	const char *errstr;
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	tninit();		/* Clear out things */
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	TerminalSaveState();
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	prompt = __progname;
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	user = alias = NULL;
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	rlogin = (strncmp(prompt, "rlog", 4) == 0) ? '~' : _POSIX_VDISABLE;
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	autologin = -1;
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	while ((ch = getopt(argc, argv, "4678ab:cDEe:KLl:n:rV:"))
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	    != -1) {
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		switch(ch) {
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		case '4':
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			family = AF_INET;
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			break;
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		case '6':
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			family = AF_INET6;
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			break;
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		case '7':
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			eight = 0;
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			break;
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		case '8':
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			eight = 3;	/* binary output and input */
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			break;
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		case 'a':
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			autologin = 1;
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			break;
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		case 'b':
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			alias = optarg;
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			break;
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		case 'c':
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			skiprc = 1;
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			break;
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		case 'D': {
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			/* sometimes we don't want a mangled display */
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			char *p;
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			if((p = getenv("DISPLAY")))
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				env_define("DISPLAY", (unsigned char*)p);
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			break;
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		}
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		case 'E':
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			rlogin = escape = _POSIX_VDISABLE;
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			break;
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		case 'e':
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			set_escape_char(optarg);
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			break;
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		case 'K':
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			autologin = 0;
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			break;
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		case 'L':
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			eight |= 2;	/* binary output only */
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			break;
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		case 'l':
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			autologin = -1;
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			user = optarg;
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			break;
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		case 'n':
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			SetNetTrace(optarg);
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			break;
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		case 'r':
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			rlogin = '~';
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			break;
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		case 'V':
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			rtableid = (int)strtonum(optarg, 0,
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			    RT_TABLEID_MAX, &errstr);
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			if (errstr) {
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				fprintf(stderr, "%s: Warning: "
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				    "-V ignored, rtable %s: %s\n",
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				    prompt, errstr, optarg);
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			}
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			break;
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		case '?':
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		default:
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			usage();
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		}
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	}
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	if (rtableid >= 0)
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		if (setrtable(rtableid) == -1) {
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			perror("setrtable");
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			exit(1);
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		}
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	if (pledge("stdio rpath wpath getpw dns inet tty flock cpath", NULL) == -1) {
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		perror("pledge");
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		exit(1);
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	}
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	if (autologin == -1)
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		autologin = (rlogin == _POSIX_VDISABLE) ? 0 : 1;
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	argc -= optind;
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	argv += optind;
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	if (argc) {
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		char *args[8], **argp = args;
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		if (argc > 2)
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			usage();
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		*argp++ = prompt;
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		if (user) {
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			*argp++ = "-l";
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			*argp++ = user;
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		}
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		if (alias) {
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			*argp++ = "-b";
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			*argp++ = alias;
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		}
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		*argp++ = argv[0];		/* host */
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		if (argc > 1)
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			*argp++ = argv[1];	/* port */
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		*argp = NULL;
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		if (setjmp(toplevel) != 0)
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			Exit(0);
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		if (tn(argp - args, args) == 1)
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			return (0);
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		else
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			return (1);
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	}
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	(void)setjmp(toplevel);
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	for (;;) {
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		command(1, NULL, 0);
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	}
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	return 0;
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}