281 lines
6.4 KiB
C
281 lines
6.4 KiB
C
/*
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* Copyright (c) 1988, 1990 Regents of the University of California.
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* 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. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. 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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#ifndef lint
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char copyright[] =
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"@(#) Copyright (c) 1988, 1990 Regents of the University of California.\n\
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All rights reserved.\n";
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#endif /* not lint */
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#ifndef lint
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/*static char sccsid[] = "from: @(#)main.c 5.4 (Berkeley) 3/22/91";*/
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static char rcsid[] = "$Id: main.c,v 1.2 1993/08/01 18:07:24 mycroft Exp $";
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#endif /* not lint */
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#include <sys/types.h>
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#include "ring.h"
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#include "externs.h"
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#include "defines.h"
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/*
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* Initialize variables.
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*/
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void
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tninit()
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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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#if defined(TN3270)
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init_3270();
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#endif
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}
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void
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usage()
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{
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fprintf(stderr, "Usage: %s %s%s%s%s\n",
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prompt,
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#ifdef AUTHENTICATE
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" [-8] [-E] [-K] [-L] [-X atype] [-a] [-d] [-e char] [-k realm]",
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"\n\t[-l user] [-n tracefile] ",
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#else
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" [-8] [-E] [-L] [-a] [-d] [-e char] [-l user] [-n tracefile]",
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"\n\t",
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#endif
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#if defined(TN3270) && defined(unix)
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# ifdef AUTHENTICATE
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"[-noasynch] [-noasynctty] [-noasyncnet]\n\t[-r] [-t transcom] ",
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# else
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"[-noasynch] [-noasynctty] [-noasyncnet] [-r] [-t transcom]\n\t",
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# endif
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#else
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"[-r] ",
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#endif
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#ifdef ENCRYPT
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"[-x] [host-name [port]]"
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#else
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"[host-name [port]]"
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#endif
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);
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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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main(argc, argv)
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int argc;
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char *argv[];
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{
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extern char *optarg;
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extern int optind;
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int ch;
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char *user, *strrchr();
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tninit(); /* Clear out things */
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#if defined(CRAY) && !defined(__STDC__)
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_setlist_init(); /* Work around compiler bug */
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#endif
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TerminalSaveState();
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if (prompt = strrchr(argv[0], '/'))
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++prompt;
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else
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prompt = argv[0];
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user = 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, "8EKLS:X:ade:k:l:n:rt:x")) != EOF) {
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switch(ch) {
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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 'E':
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rlogin = escape = _POSIX_VDISABLE;
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break;
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case 'K':
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#ifdef AUTHENTICATE
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autologin = 0;
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#endif
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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 'S':
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{
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#ifdef HAS_GETTOS
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extern int tos;
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if ((tos = parsetos(optarg, "tcp")) < 0)
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fprintf(stderr, "%s%s%s%s\n",
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prompt, ": Bad TOS argument '",
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optarg,
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"; will try to use default TOS");
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#else
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fprintf(stderr,
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"%s: Warning: -S ignored, no parsetos() support.\n",
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prompt);
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#endif
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}
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break;
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case 'X':
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#ifdef AUTHENTICATE
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auth_disable_name(optarg);
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#endif
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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 'c':
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skiprc = 1;
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break;
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case 'd':
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debug = 1;
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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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#if defined(AUTHENTICATE) && defined(KRB4)
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{
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extern char *dest_realm, dst_realm_buf[], dst_realm_sz;
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dest_realm = dst_realm_buf;
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(void)strncpy(dest_realm, optarg, dst_realm_sz);
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}
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#else
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fprintf(stderr,
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"%s: Warning: -k ignored, no Kerberos V4 support.\n",
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prompt);
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#endif
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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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#if defined(TN3270) && defined(unix)
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/* distinguish between "-n oasynch" and "-noasynch" */
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if (argv[optind - 1][0] == '-' && argv[optind - 1][1]
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== 'n' && argv[optind - 1][2] == 'o') {
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if (!strcmp(optarg, "oasynch")) {
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noasynchtty = 1;
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noasynchnet = 1;
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} else if (!strcmp(optarg, "oasynchtty"))
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noasynchtty = 1;
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else if (!strcmp(optarg, "oasynchnet"))
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noasynchnet = 1;
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} else
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#endif /* defined(TN3270) && defined(unix) */
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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 't':
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#if defined(TN3270) && defined(unix)
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transcom = tline;
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(void)strcpy(transcom, optarg);
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#else
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fprintf(stderr,
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"%s: Warning: -t ignored, no TN3270 support.\n",
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prompt);
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#endif
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break;
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case 'x':
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#ifdef ENCRYPT
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encrypt_auto(1);
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decrypt_auto(1);
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#else
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fprintf(stderr,
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"%s: Warning: -x ignored, no ENCRYPT support.\n",
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prompt);
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#endif
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break;
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case '?':
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default:
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usage();
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/* NOTREACHED */
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}
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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[7], **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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*argp++ = argv[0]; /* host */
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if (argc > 1)
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*argp++ = argv[1]; /* port */
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*argp = 0;
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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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#ifdef TN3270
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if (shell_active)
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shell_continue();
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else
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#endif
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command(1, 0, 0);
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}
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}
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