Radix cross Linux

The main Radix cross Linux repository contains the build scripts of packages, which have the most complete and common functionality for desktop machines

452 Commits   2 Branches   1 Tag
Index: create.patch.sh
===================================================================
--- create.patch.sh	(nonexistent)
+++ create.patch.sh	(revision 5)
@@ -0,0 +1,15 @@
+#!/bin/sh
+
+VERSION=0.17
+
+tar --files-from=file.list -xzvf ../netkit-telnet-$VERSION.tar.gz
+mv netkit-telnet-$VERSION netkit-telnet-$VERSION-orig
+
+cp -rf ./netkit-telnet-$VERSION-new ./netkit-telnet-$VERSION
+
+diff --unified -Nr  netkit-telnet-$VERSION-orig  netkit-telnet-$VERSION > netkit-telnet-$VERSION-telnet.patch
+
+mv netkit-telnet-$VERSION-telnet.patch ../patches
+
+rm -rf ./netkit-telnet-$VERSION
+rm -rf ./netkit-telnet-$VERSION-orig

Property changes on: create.patch.sh
___________________________________________________________________
Added: svn:executable
## -0,0 +1 ##
+*
\ No newline at end of property
Index: file.list
===================================================================
--- file.list	(nonexistent)
+++ file.list	(revision 5)
@@ -0,0 +1,6 @@
+netkit-telnet-0.17/telnet/commands.cc
+netkit-telnet-0.17/telnet/main.cc
+netkit-telnet-0.17/telnet/netlink.cc
+netkit-telnet-0.17/telnet/network.cc
+netkit-telnet-0.17/telnet/terminal.cc
+netkit-telnet-0.17/telnet/utilities.cc
Index: netkit-telnet-0.17-new/telnet/commands.cc
===================================================================
--- netkit-telnet-0.17-new/telnet/commands.cc	(nonexistent)
+++ netkit-telnet-0.17-new/telnet/commands.cc	(revision 5)
@@ -0,0 +1,2222 @@
+/*
+ * Copyright (c) 1988, 1990 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.
+ */
+
+/*
+ * From: @(#)commands.c	5.5 (Berkeley) 3/22/91
+ */
+char cmd_rcsid[] = 
+  "$Id: commands.cc,v 1.34 2000/07/23 04:16:24 dholland Exp $";
+
+#include <string.h>
+
+#include <sys/param.h>
+#include <sys/file.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <netinet/ip.h>
+
+#ifdef	CRAY
+#include <fcntl.h>
+#endif	/* CRAY */
+
+#include <sys/wait.h>
+#include <signal.h>
+#include <netdb.h>
+#include <ctype.h>
+#include <pwd.h>
+#include <stdarg.h>
+#include <errno.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <arpa/inet.h>
+#include <arpa/telnet.h>
+
+#include "ring.h"
+
+#include "externs.h"
+#include "defines.h"
+#include "types.h"
+#include "genget.h"
+#include "environ.h"
+#include "proto.h"
+#include "ptrarray.h"
+#include "netlink.h"
+
+/* In Linux, this is an enum */
+#if defined(__linux__) || defined(IPPROTO_IP)
+#define HAS_IPPROTO_IP
+#endif
+
+#ifndef CRAY
+#if (defined(vax) || defined(tahoe) || defined(hp300)) && !defined(ultrix)
+#include <machine/endian.h>
+#endif /* vax */
+#endif /* CRAY */
+
+#define HELPINDENT ((int) sizeof ("connect"))
+
+#ifndef       MAXHOSTNAMELEN
+#define       MAXHOSTNAMELEN 64
+#endif     /* MAXHOSTNAMELEN */
+
+#if	defined(HAS_IPPROTO_IP) && defined(IP_TOS)
+int tos = -1;
+#endif	/* defined(HAS_IPPROTO_IP) && defined(IP_TOS) */
+
+static unsigned long sourceroute(char *arg, char **cpp, int *lenp);
+
+
+char	*hostname;
+static char _hostname[MAXHOSTNAMELEN];
+
+//typedef int (*intrtn_t)(int argc, const char *argv[]);
+
+class command_entry;
+typedef ptrarray<command_entry> command_table;
+
+static int process_command(command_table *tab, int argc, const char **argv);
+
+
+class command_entry {
+ protected:
+    const char *name;    /* command name */
+    const char *help;    /* help string (NULL for no help) */
+
+    int nargs;
+    union {             /* routine which executes command */
+	command_table *subhandler;
+	int (*handlern)(int, const char **);
+	int (*handler0)(void);
+	int (*handler1)(const char *);
+	int (*handler2)(const char *, const char *);
+    };
+ public:
+    command_entry(const char *n, const char *e, 
+		  int (*h)(int, const char **)) 
+    { 
+	name = n; 
+	help = e;
+	nargs = -1; handlern = h; 
+    }
+    command_entry(const char *n, const char *e,
+		  int (*h)(void)) 
+    { 
+	name = n; 
+	help = e;
+	nargs = 0; handler0 = h; 
+    }
+    command_entry(const char *n, const char *e,
+		  int (*h)(const char *)) 
+    { 
+	name = n; 
+	help = e;
+	nargs = 1; handler1 = h; 
+    }
+    command_entry(const char *n, const char *e,
+		  int (*h)(const char *, const char *)) 
+    { 
+	name = n; 
+	help = e;
+	nargs = 2; handler2 = h; 
+    }
+    command_entry(const char *n, const char *e, command_table *sub) {
+	name = n;
+	help = e;
+	nargs = -2;
+	subhandler = sub;
+    }
+    
+    int call(int argc, const char *argv[]) {
+	assert(argc>=1);
+	if (nargs>=0 && argc!=nargs+1) {
+	    fprintf(stderr, "Wrong number of arguments for command.\n");
+	    fprintf(stderr, "Try %s ? for help\n", argv[0]);
+	    return 0;    /* is this right? */
+	}
+	if (nargs==-2) {
+	    if (argc<2) {
+		fprintf(stderr, "`%s' requires a subcommand.\n", argv[0]);
+		fprintf(stderr, "Try %s ? for help\n", argv[0]);
+		return 0;    /* is this right? */
+	    }
+	    return process_command(subhandler, argc-1, argv+1);
+	}
+	else if (nargs==-1) return handlern(argc, argv);
+	else if (nargs==0) return handler0();
+	else if (nargs==1) return handler1(argv[1]);
+	else if (nargs==2) return handler2(argv[1], argv[2]);
+	return 0;
+    }
+
+    void describe() {
+	if (help) printf("%-*s\t%s\n", HELPINDENT, name, help);
+    }
+    void gethelp() {
+	if (help) printf("%s\n", help);
+	else printf("No help available\n");
+    }
+
+    const char *getname() const { return name; }
+};
+
+static char line[256];
+static char saveline[256];
+static int margc;
+static const char *margv[20];
+
+static void makeargv(void) {
+    register char *cp, *cp2, c;
+    register const char **argp = margv;
+
+    margc = 0;
+    cp = line;
+    if (*cp == '!') {		/* Special case shell escape */
+	strcpy(saveline, line);	/* save for shell command */
+	*argp++ = "!";		/* No room in string to get this */
+	margc++;
+	cp++;
+    }
+    while ((c = *cp)!=0) {
+	register int inquote = 0;
+	while (isspace(c))
+	    c = *++cp;
+	if (c == '\0')
+	    break;
+	*argp++ = cp;
+	margc += 1;
+	for (cp2 = cp; c != '\0'; c = *++cp) {
+	    if (inquote) {
+		if (c == inquote) {
+		    inquote = 0;
+		    continue;
+		}
+	    } else {
+		if (c == '\\') {
+		    if ((c = *++cp) == '\0')
+			break;
+		} else if (c == '"') {
+		    inquote = '"';
+		    continue;
+		} else if (c == '\'') {
+		    inquote = '\'';
+		    continue;
+		} else if (isspace(c))
+		    break;
+	    }
+	    *cp2++ = c;
+	}
+	*cp2 = '\0';
+	if (c == '\0')
+	    break;
+	cp++;
+    }
+    *argp++ = 0;
+}
+
+/*
+ * Make a character string into a number.
+ *
+ * Todo:  1.  Could take random integers (12, 0x12, 012, 0b1).
+ */
+
+static int special(const char *s) {
+    char c;
+    char b;
+    
+    switch (*s) {
+     case '^':
+	 b = *++s;
+	 if (b == '?') {
+	     c = b | 0x40;		/* DEL */
+	 } 
+	 else {
+	     c = b & 0x1f;
+	 }
+	 break;
+     default:
+	 c = *s;
+	 break;
+    }
+    return c;
+}
+
+/*
+ * Construct a control character sequence
+ * for a special character.
+ */
+static const char *control(cc_t c)
+{
+	static char buf[5];
+	/*
+	 * The only way I could get the Sun 3.5 compiler
+	 * to shut up about
+	 *	if ((unsigned int)c >= 0x80)
+	 * was to assign "c" to an unsigned int variable...
+	 * Arggg....
+	 */
+	register unsigned int uic = (unsigned int)c;
+
+	if (uic == 0x7f)
+		return ("^?");
+	if (c == (cc_t)_POSIX_VDISABLE) {
+		return "off";
+	}
+	if (uic >= 0x80) {
+		buf[0] = '\\';
+		buf[1] = ((c>>6)&07) + '0';
+		buf[2] = ((c>>3)&07) + '0';
+		buf[3] = (c&07) + '0';
+		buf[4] = 0;
+	} else if (uic >= 0x20) {
+		buf[0] = c;
+		buf[1] = 0;
+	} else {
+		buf[0] = '^';
+		buf[1] = '@'+c;
+		buf[2] = 0;
+	}
+	return (buf);
+}
+
+
+
+/*
+ *	The following are data structures and routines for
+ *	the "send" command.
+ *
+ */
+ 
+struct sendlist {
+    const char *name;		/* How user refers to it (case independent) */
+    const char *help;		/* Help information (0 ==> no help) */
+    int needconnect;		/* Need to be connected */
+    int narg;			/* Number of arguments */
+    int (*handler)(const char *, const char *); 
+                                /* Routine to perform (for special ops) */
+    int nbyte;			/* Number of bytes to send this command */
+    int what;			/* Character to be sent (<0 ==> special) */
+};
+
+static int send_esc(const char *, const char *);
+static int send_help(const char *, const char *);
+static int send_docmd(const char *, const char *);
+static int send_dontcmd(const char *, const char *);
+static int send_willcmd(const char *, const char *);
+static int send_wontcmd(const char *, const char *);
+
+extern int send_do(int, int);
+extern int send_dont(int, int);
+extern int send_will(int, int);
+extern int send_wont(int, int);
+
+static int dosynch1(const char *, const char *) { return dosynch(); }
+
+static struct sendlist Sendlist[] = {
+    { "ao",	"Send Telnet Abort output",		1, 0, 0, 2, AO },
+    { "ayt",	"Send Telnet 'Are You There'",		1, 0, 0, 2, AYT },
+    { "brk",	"Send Telnet Break",			1, 0, 0, 2, BREAK },
+    { "break",	0,					1, 0, 0, 2, BREAK },
+    { "ec",	"Send Telnet Erase Character",		1, 0, 0, 2, EC },
+    { "el",	"Send Telnet Erase Line",		1, 0, 0, 2, EL },
+    { "escape",	"Send current escape character",	1, 0, send_esc, 1, 0 },
+    { "ga",	"Send Telnet 'Go Ahead' sequence",	1, 0, 0, 2, GA },
+    { "ip",	"Send Telnet Interrupt Process",	1, 0, 0, 2, IP },
+    { "intp",	0,					1, 0, 0, 2, IP },
+    { "interrupt", 0,					1, 0, 0, 2, IP },
+    { "intr",	0,					1, 0, 0, 2, IP },
+    { "nop",	"Send Telnet 'No operation'",		1, 0, 0, 2, NOP },
+    { "eor",	"Send Telnet 'End of Record'",		1, 0, 0, 2, EOR },
+    { "abort",	"Send Telnet 'Abort Process'",		1, 0, 0, 2, ABORT },
+    { "susp",	"Send Telnet 'Suspend Process'",	1, 0, 0, 2, SUSP },
+    { "eof",	"Send Telnet End of File Character",	1, 0, 0, 2, xEOF },
+    { "synch",	"Perform Telnet 'Synch operation'",	1, 0, dosynch1, 2, 0 },
+    { "getstatus", "Send request for STATUS",	1, 0, get_status, 6, 0 },
+    { "?",	"Display send options",		0, 0, send_help, 0, 0 },
+    { "help",	0,				0, 0, send_help, 0, 0 },
+    { "do",	0,				0, 1, send_docmd, 3, 0 },
+    { "dont",	0,				0, 1, send_dontcmd, 3, 0 },
+    { "will",	0,				0, 1, send_willcmd, 3, 0 },
+    { "wont",	0,				0, 1, send_wontcmd, 3, 0 },
+    { 0, 0, 0, 0, 0, 0, 0 }
+};
+
+#define	GETSEND(name) ((struct sendlist *) genget(name, (char **) Sendlist, \
+				sizeof(struct sendlist)))
+
+static int sendcmd(int argc, const char *argv[]) {
+    int count;		/* how many bytes we are going to need to send */
+    int i;
+/*    int question = 0;*/	/* was at least one argument a question */
+    struct sendlist *s;	/* pointer to current command */
+    int success = 0;
+    int needconnect = 0;
+
+    if (argc < 2) {
+	printf("need at least one argument for 'send' command\n");
+	printf("'send ?' for help\n");
+	return 0;
+    }
+    /*
+     * First, validate all the send arguments.
+     * In addition, we see how much space we are going to need, and
+     * whether or not we will be doing a "SYNCH" operation (which
+     * flushes the network queue).
+     */
+    count = 0;
+    for (i = 1; i < argc; i++) {
+	s = GETSEND(argv[i]);
+	if (s == 0) {
+	    printf("Unknown send argument '%s'\n'send ?' for help.\n",
+			argv[i]);
+	    return 0;
+	} 
+	else if (s == AMBIGUOUS) {
+	    printf("Ambiguous send argument '%s'\n'send ?' for help.\n",
+			argv[i]);
+	    return 0;
+	}
+	if (i + s->narg >= argc) {
+	    fprintf(stderr,
+	    "Need %d argument%s to 'send %s' command.  'send %s ?' for help.\n",
+		s->narg, s->narg == 1 ? "" : "s", s->name, s->name);
+	    return 0;
+	}
+	count += s->nbyte;
+	if (s->handler == send_help) {
+	    send_help(NULL, NULL);
+	    return 0;
+	}
+
+	i += s->narg;
+	needconnect += s->needconnect;
+    }
+    if (!connected && needconnect) {
+	printf("?Need to be connected first.\n");
+	printf("'send ?' for help\n");
+	return 0;
+    }
+    /* Now, do we have enough room? */
+    if (netoring.empty_count() < count) {
+	printf("There is not enough room in the buffer TO the network\n");
+	printf("to process your request.  Nothing will be done.\n");
+	printf("('send synch' will throw away most data in the network\n");
+	printf("buffer, if this might help.)\n");
+	return 0;
+    }
+    /* OK, they are all OK, now go through again and actually send */
+    count = 0;
+    for (i = 1; i < argc; i++) {
+	if ((s = GETSEND(argv[i])) == 0) {
+	    fprintf(stderr, "Telnet 'send' error - argument disappeared!\n");
+	    quit();
+	    /*NOTREACHED*/
+	}
+	if (s->handler) {
+	    count++;
+	    success += (*s->handler)((s->narg > 0) ? argv[i+1] : 0,
+				     (s->narg > 1) ? argv[i+2] : 0);
+	    i += s->narg;
+	} 
+	else {
+	    NET2ADD(IAC, s->what);
+	    printoption("SENT", IAC, s->what);
+	}
+    }
+    return (count == success);
+}
+
+static int send_esc(const char *, const char *) {
+    NETADD(escapechar);
+    return 1;
+}
+
+static int send_docmd(const char *name, const char *) {
+    return send_tncmd(send_do, "do", name);
+}
+
+static int send_dontcmd(const char *name, const char *) {
+    return(send_tncmd(send_dont, "dont", name));
+}
+
+static int send_willcmd(const char *name, const char *) {
+    return(send_tncmd(send_will, "will", name));
+}
+
+static int send_wontcmd(const char *name, const char *) {
+    return(send_tncmd(send_wont, "wont", name));
+}
+
+int send_tncmd(int (*func)(int, int), const char *cmd, const char *name) {
+    char **cpp;
+    extern char *telopts[];
+
+    if (isprefix(name, "help") || isprefix(name, "?")) {
+	register int col, len;
+
+	printf("Usage: send %s <option>\n", cmd);
+	printf("Valid options are:\n\t");
+
+	col = 8;
+	for (cpp = telopts; *cpp; cpp++) {
+	    len = strlen(*cpp) + 1;
+	    if (col + len > 65) {
+		printf("\n\t");
+		col = 8;
+	    }
+	    printf(" %s", *cpp);
+	    col += len;
+	}
+	printf("\n");
+	return 0;
+    }
+    cpp = genget(name, telopts, sizeof(char *));
+    if (cpp == AMBIGUOUS) {
+	fprintf(stderr,"'%s': ambiguous argument ('send %s ?' for help).\n",
+					name, cmd);
+	return 0;
+    }
+    if (cpp == 0) {
+	fprintf(stderr, "'%s': unknown argument ('send %s ?' for help).\n",
+					name, cmd);
+	return 0;
+    }
+    if (!connected) {
+	printf("?Need to be connected first.\n");
+	return 0;
+    }
+    (*func)(cpp - telopts, 1);
+    return 1;
+}
+
+static int send_help(const char *, const char *) {
+    struct sendlist *s;	/* pointer to current command */
+    for (s = Sendlist; s->name; s++) {
+	if (s->help)
+	    printf("%-15s %s\n", s->name, s->help);
+    }
+    return(0);
+}
+
+/*
+ * The following are the routines and data structures referred
+ * to by the arguments to the "toggle" command.
+ */
+
+static int lclchars(int) {
+    donelclchars = 1;
+    return 1;
+}
+
+static int togdebug(int) {
+    return nlink.setdebug(debug);
+}
+
+
+static int togcrlf(int) {
+    if (crlf) {
+	printf("Will send carriage returns as telnet <CR><LF>.\n");
+    } 
+    else {
+	printf("Will send carriage returns as telnet <CR><NUL>.\n");
+    }
+    return 1;
+}
+
+int binmode;
+
+static int togbinary(int val) {
+    donebinarytoggle = 1;
+
+    if (val >= 0) {
+	binmode = val;
+    } else {
+	if (my_want_state_is_will(TELOPT_BINARY) &&
+				my_want_state_is_do(TELOPT_BINARY)) {
+	    binmode = 1;
+	} else if (my_want_state_is_wont(TELOPT_BINARY) &&
+				my_want_state_is_dont(TELOPT_BINARY)) {
+	    binmode = 0;
+	}
+	val = binmode ? 0 : 1;
+    }
+
+    if (val == 1) {
+	if (my_want_state_is_will(TELOPT_BINARY) &&
+					my_want_state_is_do(TELOPT_BINARY)) {
+	    printf("Already operating in binary mode with remote host.\n");
+	} else {
+	    printf("Negotiating binary mode with remote host.\n");
+	    tel_enter_binary(3);
+	}
+    } else {
+	if (my_want_state_is_wont(TELOPT_BINARY) &&
+					my_want_state_is_dont(TELOPT_BINARY)) {
+	    printf("Already in network ascii mode with remote host.\n");
+	} else {
+	    printf("Negotiating network ascii mode with remote host.\n");
+	    tel_leave_binary(3);
+	}
+    }
+    return 1;
+}
+
+static int togrbinary(int val) {
+    donebinarytoggle = 1;
+
+    if (val == -1)
+	val = my_want_state_is_do(TELOPT_BINARY) ? 0 : 1;
+
+    if (val == 1) {
+	if (my_want_state_is_do(TELOPT_BINARY)) {
+	    printf("Already receiving in binary mode.\n");
+	} 
+	else {
+	    printf("Negotiating binary mode on input.\n");
+	    tel_enter_binary(1);
+	}
+    } 
+    else {
+	if (my_want_state_is_dont(TELOPT_BINARY)) {
+	    printf("Already receiving in network ascii mode.\n");
+	} else {
+	    printf("Negotiating network ascii mode on input.\n");
+	    tel_leave_binary(1);
+	}
+    }
+    return 1;
+}
+
+static int togxbinary(int val) {
+    donebinarytoggle = 1;
+
+    if (val == -1)
+	val = my_want_state_is_will(TELOPT_BINARY) ? 0 : 1;
+
+    if (val == 1) {
+	if (my_want_state_is_will(TELOPT_BINARY)) {
+	    printf("Already transmitting in binary mode.\n");
+	} 
+	else {
+	    printf("Negotiating binary mode on output.\n");
+	    tel_enter_binary(2);
+	}
+    } 
+    else {
+	if (my_want_state_is_wont(TELOPT_BINARY)) {
+	    printf("Already transmitting in network ascii mode.\n");
+	} 
+	else {
+	    printf("Negotiating network ascii mode on output.\n");
+	    tel_leave_binary(2);
+	}
+    }
+    return 1;
+}
+
+
+static int netdata;		/* Print out network data flow */
+static int prettydump;	/* Print "netdata" output in user readable format */
+static int termdata;    /* Print out terminal data flow */
+
+static int togglehelp(int);
+
+struct togglelist {
+    const char *name;			/* name of toggle */
+    const char *help;			/* help message */
+    int (*handler)(int);	/* routine to do actual setting */
+    int *variable;
+    const char *actionexplanation;
+};
+
+static struct togglelist Togglelist[] = {
+    { "autoflush", "flushing of output when sending interrupt characters",
+      NULL, &autoflush,
+      "flush output when sending interrupt characters" },
+
+    { "autosynch", "automatic sending of interrupt characters in urgent mode",
+      NULL, &autosynch,
+      "send interrupt characters in urgent mode" },
+
+#if 0
+    { "autologin", "automatic sending of login and/or authentication info",
+      NULL, &autologin,
+      "send login name and/or authentication information" },
+    { "authdebug", "Toggle authentication debugging",
+      auth_togdebug, NULL,
+      "print authentication debugging information" },
+    { "autoencrypt", "automatic encryption of data stream",
+      EncryptAutoEnc, NULL,
+      "automatically encrypt output" },
+    { "autodecrypt", "automatic decryption of data stream",
+      EncryptAutoDec, NULL,
+      "automatically decrypt input" },
+    { "verbose_encrypt", "Toggle verbose encryption output",
+      EncryptVerbose, NULL,
+      "print verbose encryption output" },
+    { "encdebug", "Toggle encryption debugging",
+      EncryptDebug, NULL,
+      "print encryption debugging information" },
+#endif
+
+    { "skiprc", "don't read ~/.telnetrc file",
+      NULL, &skiprc,
+      "read ~/.telnetrc file" },
+    { "binary",
+      "sending and receiving of binary data",
+      togbinary, NULL,
+      NULL },
+    { "inbinary", "receiving of binary data",
+      togrbinary, NULL,
+      NULL },
+    { "outbinary", "sending of binary data",
+      togxbinary, 0,
+      NULL },
+    { "crlf", "sending carriage returns as telnet <CR><LF>",
+      togcrlf, &crlf,
+      NULL },
+    { "crmod", "mapping of received carriage returns",
+      NULL, &crmod,
+      "map carriage return on output" },
+    { "localchars", "local recognition of certain control characters",
+      lclchars, &localchars,
+      "recognize certain control characters" },
+
+    { " ", "", 0, 0, 0 },		/* empty line */
+
+#if defined(TN3270) && !defined(__linux__)
+    { "apitrace", "(debugging) toggle tracing of API transactions",
+      NULL, &apitrace,
+      "trace API transactions" },
+    { "cursesdata", "(debugging) toggle printing of hexadecimal curses data",
+      NULL, &cursesdata,
+      "print hexadecimal representation of curses data" },
+#endif	/* TN3270 and not linux */
+
+    { "debug", "debugging",
+      togdebug,	&debug,
+      "turn on socket level debugging" },
+    { "netdata", "printing of hexadecimal network data (debugging)",
+      NULL, &netdata,
+      "print hexadecimal representation of network traffic" },
+    { "prettydump","output of \"netdata\" to user readable format (debugging)",
+      NULL, &prettydump,
+      "print user readable output for \"netdata\"" },
+    { "options", "viewing of options processing (debugging)",
+      NULL, &showoptions,
+      "show option processing" },
+
+    { "termdata", "(debugging) toggle printing of hexadecimal terminal data",
+      NULL, &termdata,
+      "print hexadecimal representation of terminal traffic" },
+
+    { "?", NULL, togglehelp, 0, 0 },
+    { "help", NULL, togglehelp, 0, 0 },
+    { 0, 0, 0, 0, 0 }
+};
+
+static int togglehelp(int) {
+    struct togglelist *c;
+
+    for (c = Togglelist; c->name; c++) {
+	if (c->help) {
+	    if (*c->help)
+		printf("%-15s toggle %s\n", c->name, c->help);
+	    else
+		printf("\n");
+	}
+    }
+    printf("\n");
+    printf("%-15s %s\n", "?", "display help information");
+    return 0;
+}
+
+static void settogglehelp(int set) {
+    struct togglelist *c;
+
+    for (c = Togglelist; c->name; c++) {
+	if (c->help) {
+	    if (*c->help)
+		printf("%-15s %s %s\n", c->name, set ? "enable" : "disable",
+						c->help);
+	    else
+		printf("\n");
+	}
+    }
+}
+
+#define	GETTOGGLE(name) (struct togglelist *) \
+		genget(name, (char **) Togglelist, sizeof(struct togglelist))
+
+static int toggle(int argc, const char *argv[]) {
+    int retval = 1;
+    const char *name;
+    struct togglelist *c;
+
+    if (argc < 2) {
+	fprintf(stderr,
+	    "Need an argument to 'toggle' command.  'toggle ?' for help.\n");
+	return 0;
+    }
+    argc--;
+    argv++;
+    while (argc--) {
+	name = *argv++;
+	c = GETTOGGLE(name);
+	if (c == AMBIGUOUS) {
+	    fprintf(stderr, "'%s': ambiguous argument ('toggle ?' for help).\n",
+					name);
+	    return 0;
+	} 
+	else if (c == 0) {
+	    fprintf(stderr, "'%s': unknown argument ('toggle ?' for help).\n",
+					name);
+	    return 0;
+	} 
+	else {
+	    if (c->variable) {
+		*c->variable = !*c->variable;		/* invert it */
+		if (c->actionexplanation) {
+		    printf("%s %s.\n", *c->variable? "Will" : "Won't",
+							c->actionexplanation);
+		}
+	    }
+	    if (c->handler) {
+		retval &= (*c->handler)(-1);
+	    }
+	}
+    }
+    return retval;
+}
+
+/*
+ * The following perform the "set" command.
+ */
+
+struct setlist {
+    const char *name;				/* name */
+    const char *help;				/* help information */
+    void (*handler)(const char *);
+    cc_t *charp;			/* where it is located at */
+};
+
+static struct setlist Setlist[] = {
+#ifdef	KLUDGELINEMODE
+    { "echo", 	"character to toggle local echoing on/off", 0, &echoc },
+#endif
+    { "escape",	"character to escape back to telnet command mode", 0, &escapechar },
+    { "rlogin", "rlogin escape character", 0, &rlogin },
+    { "tracefile", "file to write trace information to", SetNetTrace, (cc_t *)NetTraceFile},
+    { " ", "", 0, 0 },
+    { " ", "The following need 'localchars' to be toggled true", 0, 0 },
+    { "flushoutput", "character to cause an Abort Output", 0, termFlushCharp },
+    { "interrupt", "character to cause an Interrupt Process", 0, termIntCharp },
+    { "quit",	"character to cause an Abort process", 0, termQuitCharp },
+    { "eof",	"character to cause an EOF ", 0, termEofCharp },
+    { " ", "", 0, 0 },
+    { " ", "The following are for local editing in linemode", 0, 0 },
+    { "erase",	"character to use to erase a character", 0, termEraseCharp },
+    { "kill",	"character to use to erase a line", 0, termKillCharp },
+    { "lnext",	"character to use for literal next", 0, termLiteralNextCharp },
+    { "susp",	"character to cause a Suspend Process", 0, termSuspCharp },
+    { "reprint", "character to use for line reprint", 0, termRprntCharp },
+    { "worderase", "character to use to erase a word", 0, termWerasCharp },
+    { "start",	"character to use for XON", 0, termStartCharp },
+    { "stop",	"character to use for XOFF", 0, termStopCharp },
+    { "forw1",	"alternate end of line character", 0, termForw1Charp },
+    { "forw2",	"alternate end of line character", 0, termForw2Charp },
+    { "ayt",	"alternate AYT character", 0, termAytCharp },
+    { 0, 0, 0, 0 }
+};
+
+#if	defined(CRAY) && !defined(__STDC__)
+/* Work around compiler bug in pcc 4.1.5 */
+    void
+_setlist_init()
+{
+#ifndef	KLUDGELINEMODE
+#define	N 5
+#else
+#define	N 6
+#endif
+	Setlist[N+0].charp = &termFlushChar;
+	Setlist[N+1].charp = &termIntChar;
+	Setlist[N+2].charp = &termQuitChar;
+	Setlist[N+3].charp = &termEofChar;
+	Setlist[N+6].charp = &termEraseChar;
+	Setlist[N+7].charp = &termKillChar;
+	Setlist[N+8].charp = &termLiteralNextChar;
+	Setlist[N+9].charp = &termSuspChar;
+	Setlist[N+10].charp = &termRprntChar;
+	Setlist[N+11].charp = &termWerasChar;
+	Setlist[N+12].charp = &termStartChar;
+	Setlist[N+13].charp = &termStopChar;
+	Setlist[N+14].charp = &termForw1Char;
+	Setlist[N+15].charp = &termForw2Char;
+	Setlist[N+16].charp = &termAytChar;
+#undef	N
+}
+#endif	/* defined(CRAY) && !defined(__STDC__) */
+
+static struct setlist *
+getset(const char *name)
+{
+    return (struct setlist *)
+		genget(name, (char **) Setlist, sizeof(struct setlist));
+}
+
+void set_escape_char(char *s) {
+    if (rlogin != _POSIX_VDISABLE) {
+	rlogin = (s && *s) ? special(s) : _POSIX_VDISABLE;
+	printf("Telnet rlogin escape character is '%s'.\n",
+	       control(rlogin));
+    } 
+    else {
+	escapechar = (s && *s) ? special(s) : _POSIX_VDISABLE;
+	printf("Telnet escape character is '%s'.\n", control(escapechar));
+    }
+}
+
+static int setcmd(int argc, const char *argv[]) {
+    int value;
+    struct setlist *ct;
+    struct togglelist *c;
+
+    if (argc < 2 || argc > 3) {
+	printf("Format is 'set Name Value'\n'set ?' for help.\n");
+	return 0;
+    }
+    if ((argc == 2) && (isprefix(argv[1], "?") || isprefix(argv[1], "help"))) {
+	for (ct = Setlist; ct->name; ct++)
+	    printf("%-15s %s\n", ct->name, ct->help);
+	printf("\n");
+	settogglehelp(1);
+	printf("%-15s %s\n", "?", "display help information");
+	return 0;
+    }
+
+    ct = getset(argv[1]);
+    if (ct == 0) {
+	c = GETTOGGLE(argv[1]);
+	if (c == 0) {
+	    fprintf(stderr, "'%s': unknown argument ('set ?' for help).\n",
+			argv[1]);
+	    return 0;
+	} 
+	else if (c == AMBIGUOUS) {
+	    fprintf(stderr, "'%s': ambiguous argument ('set ?' for help).\n",
+			argv[1]);
+	    return 0;
+	}
+	if (c->variable) {
+	    if ((argc == 2) || (strcmp("on", argv[2]) == 0))
+		*c->variable = 1;
+	    else if (strcmp("off", argv[2]) == 0)
+		*c->variable = 0;
+	    else {
+		printf("Format is 'set togglename [on|off]'\n'set ?' for help.\n");
+		return 0;
+	    }
+	    if (c->actionexplanation) {
+		printf("%s %s.\n", *c->variable? "Will" : "Won't",
+							c->actionexplanation);
+	    }
+	}
+	if (c->handler)
+	    (*c->handler)(1);
+    } 
+    else if (argc != 3) {
+	printf("Format is 'set Name Value'\n'set ?' for help.\n");
+	return 0;
+    } 
+    else if (ct == AMBIGUOUS) {
+	fprintf(stderr, "'%s': ambiguous argument ('set ?' for help).\n",
+			argv[1]);
+	return 0;
+    } 
+    else if (ct->handler) {
+	(*ct->handler)(argv[2]);
+	printf("%s set to \"%s\".\n", ct->name, (char *)ct->charp);
+    } 
+    else {
+	if (strcmp("off", argv[2])) {
+	    value = special(argv[2]);
+	} else {
+	    value = _POSIX_VDISABLE;
+	}
+	*(ct->charp) = (cc_t)value;
+	printf("%s character is '%s'.\n", ct->name, control(*(ct->charp)));
+    }
+    slc_check();
+    return 1;
+}
+
+static int unsetcmd(int argc, const char *argv[]) {
+    struct setlist *ct;
+    struct togglelist *c;
+    const char *name;
+
+    if (argc < 2) {
+	fprintf(stderr,
+	    "Need an argument to 'unset' command.  'unset ?' for help.\n");
+	return 0;
+    }
+    if (isprefix(argv[1], "?") || isprefix(argv[1], "help")) {
+	for (ct = Setlist; ct->name; ct++)
+	    printf("%-15s %s\n", ct->name, ct->help);
+	printf("\n");
+	settogglehelp(0);
+	printf("%-15s %s\n", "?", "display help information");
+	return 0;
+    }
+
+    argc--;
+    argv++;
+    while (argc--) {
+	name = *argv++;
+	ct = getset(name);
+	if (ct == 0) {
+	    c = GETTOGGLE(name);
+	    if (c == 0) {
+		fprintf(stderr, "'%s': unknown argument ('unset ?' for help).\n",
+			name);
+		return 0;
+	    } 
+	    else if (c == AMBIGUOUS) {
+		fprintf(stderr, "'%s': ambiguous argument ('unset ?' for help).\n",
+			name);
+		return 0;
+	    }
+	    if (c->variable) {
+		*c->variable = 0;
+		if (c->actionexplanation) {
+		    printf("%s %s.\n", *c->variable? "Will" : "Won't",
+							c->actionexplanation);
+		}
+	    }
+	    if (c->handler)
+		(*c->handler)(0);
+	} 
+	else if (ct == AMBIGUOUS) {
+	    fprintf(stderr, "'%s': ambiguous argument ('unset ?' for help).\n",
+			name);
+	    return 0;
+	} 
+	else if (ct->handler) {
+	    (*ct->handler)(0);
+	    printf("%s reset to \"%s\".\n", ct->name, (char *)ct->charp);
+	} 
+	else {
+	    *(ct->charp) = _POSIX_VDISABLE;
+	    printf("%s character is '%s'.\n", ct->name, control(*(ct->charp)));
+	}
+    }
+    return 1;
+}
+
+/*
+ * The following are the data structures and routines for the
+ * 'mode' command.
+ */
+#ifdef	KLUDGELINEMODE
+extern int kludgelinemode;
+
+static int dokludgemode(int) {
+    kludgelinemode = 1;
+    send_wont(TELOPT_LINEMODE, 1);
+    send_dont(TELOPT_SGA, 1);
+    send_dont(TELOPT_ECHO, 1);
+    return 0;
+}
+#endif
+
+static int dolinemode(int) {
+#ifdef	KLUDGELINEMODE
+    if (kludgelinemode)
+	send_dont(TELOPT_SGA, 1);
+#endif
+    send_will(TELOPT_LINEMODE, 1);
+    send_dont(TELOPT_ECHO, 1);
+    return 1;
+}
+
+static int docharmode(int) {
+#ifdef	KLUDGELINEMODE
+    if (kludgelinemode)
+	send_do(TELOPT_SGA, 1);
+    else
+#endif
+    send_wont(TELOPT_LINEMODE, 1);
+    send_do(TELOPT_ECHO, 1);
+    return 1;
+}
+
+static int dolmmode(int bit, int on) {
+    unsigned char c;
+    extern int linemode;
+
+    if (my_want_state_is_wont(TELOPT_LINEMODE)) {
+	printf("?Need to have LINEMODE option enabled first.\n");
+	printf("'mode ?' for help.\n");
+	return 0;
+    }
+
+    if (on)
+	c = (linemode | bit);
+    else
+	c = (linemode & ~bit);
+    lm_mode(&c, 1, 1);
+    return 1;
+}
+
+int setmode(int bit) {
+    return dolmmode(bit, 1);
+}
+
+int clearmode(int bit) {
+    return dolmmode(bit, 0);
+}
+
+struct modelist {
+	const char	*name;		/* command name */
+	const char	*help;		/* help string */
+	int	(*handler)(int);	/* routine which executes command */
+	int	needconnect;	/* Do we need to be connected to execute? */
+	int	arg1;
+};
+
+extern int modehelp(int);
+
+static struct modelist ModeList[] = {
+    { "character", "Disable LINEMODE option",	              docharmode, 1,0},
+#ifdef	KLUDGELINEMODE
+    { "",          "(or disable obsolete line-by-line mode)", NULL, 0,0 },
+#endif
+    { "line",	   "Enable LINEMODE option",	              dolinemode, 1,0},
+#ifdef	KLUDGELINEMODE
+    { "",	   "(or enable obsolete line-by-line mode)",  NULL, 0,0 },
+#endif
+    { "",          "",                                        NULL, 0, 0 },
+    { "",	"These require the LINEMODE option to be enabled", NULL, 0, 0},
+    { "isig",	"Enable signal trapping",	setmode, 1, MODE_TRAPSIG },
+    { "+isig",	0,				setmode, 1, MODE_TRAPSIG },
+    { "-isig",	"Disable signal trapping",	clearmode, 1, MODE_TRAPSIG },
+    { "edit",	"Enable character editing",	setmode, 1, MODE_EDIT },
+    { "+edit",	0,				setmode, 1, MODE_EDIT },
+    { "-edit",	"Disable character editing",	clearmode, 1, MODE_EDIT },
+    { "softtabs", "Enable tab expansion",	setmode, 1, MODE_SOFT_TAB },
+    { "+softtabs", 0,				setmode, 1, MODE_SOFT_TAB },
+    { "-softtabs", "Disable character editing",	clearmode, 1, MODE_SOFT_TAB },
+    { "litecho", "Enable literal character echo", setmode, 1, MODE_LIT_ECHO },
+    { "+litecho", 0,				setmode, 1, MODE_LIT_ECHO },
+    { "-litecho", "Disable literal character echo", clearmode, 1, MODE_LIT_ECHO },
+    { "help",	0,				modehelp, 0, 0 },
+#ifdef	KLUDGELINEMODE
+    { "kludgeline", 0,				dokludgemode, 1, 0 },
+#endif
+    { "", "", 0, 0, 0 },
+    { "?",	"Print help information",	modehelp, 0, 0 },
+    { 0, 0, 0, 0, 0 },
+};
+
+
+int modehelp(int) {
+    struct modelist *mt;
+
+    printf("format is:  'mode Mode', where 'Mode' is one of:\n\n");
+    for (mt = ModeList; mt->name; mt++) {
+	if (mt->help) {
+	    if (*mt->help)
+		printf("%-15s %s\n", mt->name, mt->help);
+	    else
+		printf("\n");
+	}
+    }
+    return 0;
+}
+
+#define	GETMODECMD(name) (struct modelist *) \
+		genget(name, (char **) ModeList, sizeof(struct modelist))
+
+static int modecmd(const char *arg) {
+    struct modelist *mt;
+
+    mt = GETMODECMD(arg);
+    if (mt == 0) {
+	fprintf(stderr, "Unknown mode '%s' ('mode ?' for help).\n", arg);
+    } 
+    else if (mt == AMBIGUOUS) {
+	fprintf(stderr, "Ambiguous mode '%s' ('mode ?' for help).\n", arg);
+    } 
+    else if (mt->needconnect && !connected) {
+	printf("?Need to be connected first.\n");
+	printf("'mode ?' for help.\n");
+    }
+    else if (mt->handler) {
+	return (*mt->handler)(mt->arg1);
+    }
+    return 0;
+}
+
+/*
+ * The following data structures and routines implement the
+ * "display" command.
+ */
+
+static void dotog(struct togglelist *tl) {
+    if (tl->variable && tl->actionexplanation) {
+	if (*tl->variable) {
+	    printf("will");
+	} 
+	else {
+	    printf("won't");
+	}
+	printf(" %s.\n", tl->actionexplanation);
+    }
+}
+
+static void doset(struct setlist *sl) {
+    if (sl->name && *sl->name != ' ') {
+	if (sl->handler == 0) {
+	    printf("%-15s [%s]\n", sl->name, control(*sl->charp));
+	}
+	else {
+	    printf("%-15s \"%s\"\n", sl->name, (char *)sl->charp);
+	}
+    }
+}
+
+static int display(int argc, const char *argv[]) {
+    struct togglelist *tl;
+    struct setlist *sl;
+
+    if (argc == 1) {
+	for (tl = Togglelist; tl->name; tl++) {
+	    dotog(tl);
+	}
+	printf("\n");
+	for (sl = Setlist; sl->name; sl++) {
+	    doset(sl);
+	}
+    } 
+    else {
+	int i;
+
+	for (i = 1; i < argc; i++) {
+	    sl = getset(argv[i]);
+	    tl = GETTOGGLE(argv[i]);
+	    if (sl == AMBIGUOUS || tl == AMBIGUOUS) {
+		printf("?Ambiguous argument '%s'.\n", argv[i]);
+		return 0;
+	    } 
+	    else if (!sl && !tl) {
+		printf("?Unknown argument '%s'.\n", argv[i]);
+		return 0;
+	    } 
+	    else {
+		if (tl) {
+		    dotog(tl);
+		}
+		if (sl) {
+		    doset(sl);
+		}
+	    }
+	}
+    }
+    optionstatus();
+    return 1;
+}
+
+/*
+ * The following are the data structures, and many of the routines,
+ * relating to command processing.
+ */
+
+/*
+ * Set the escape character.
+ */
+static int setescape(int argc, const char *argv[]) {
+	const char *arg;
+	char buf[50];
+
+	printf(
+	    "Deprecated usage - please use 'set escape%s%s' in the future.\n",
+				(argc > 2)? " ":"", (argc > 2)? argv[1]: "");
+	if (argc > 2) {
+		arg = argv[1];
+	}
+	else {
+		printf("new escape character: ");
+		(void) fgets(buf, sizeof(buf), stdin);
+		arg = buf;
+	}
+	if (arg[0] != '\0')
+		escapechar = arg[0];
+	if (!In3270) {
+		printf("Escape character is '%s'.\n", control(escapechar));
+	}
+	(void) fflush(stdout);
+	return 1;
+}
+
+static int togcrmod(void) {
+    crmod = !crmod;
+    printf("Deprecated usage - please use 'toggle crmod' in the future.\n");
+    printf("%s map carriage return on output.\n", crmod ? "Will" : "Won't");
+    fflush(stdout);
+    return 1;
+}
+
+int suspend(void) {
+#ifdef	SIGTSTP
+    setcommandmode();
+    {
+	long oldrows, oldcols, newrows, newcols, err;
+
+	err = TerminalWindowSize(&oldrows, &oldcols);
+	(void) kill(0, SIGTSTP);
+	err += TerminalWindowSize(&newrows, &newcols);
+	if (connected && !err &&
+	    ((oldrows != newrows) || (oldcols != newcols))) {
+		sendnaws();
+	}
+    }
+    /* reget parameters in case they were changed */
+    TerminalSaveState();
+    setconnmode(0);
+#else
+    printf("Suspend is not supported.  Try the '!' command instead\n");
+#endif
+    return 1;
+}
+
+#if !defined(TN3270)
+int shell(int argc, const char **) {
+    setcommandmode();
+    switch(vfork()) {
+    case -1:
+	perror("Fork failed\n");
+	break;
+
+    case 0:
+	{
+	    /*
+	     * Fire up the shell in the child.
+	     */
+	    const char *shellp, *shellname;
+
+	    shellp = getenv("SHELL");
+	    if (shellp == NULL)
+		shellp = "/bin/sh";
+	    if ((shellname = rindex(shellp, '/')) == 0)
+		shellname = shellp;
+	    else
+		shellname++;
+	    if (argc > 1)
+		execl(shellp, shellname, "-c", &saveline[1], 0);
+	    else
+		execl(shellp, shellname, 0);
+	    perror("Execl");
+	    _exit(1);
+	}
+    default:
+	    wait(NULL);	/* Wait for the shell to complete */
+    }
+    return 1;
+}
+#endif	/* !defined(TN3270) */
+
+static int dobye(int isfromquit) {
+    extern int resettermname;
+
+    if (connected) {
+	nlink.close(1);
+	printf("Connection closed.\n");
+	connected = 0;
+	resettermname = 1;
+
+	/* reset options */
+	tninit();
+#if	defined(TN3270)
+	SetIn3270();		/* Get out of 3270 mode */
+#endif	/* defined(TN3270) */
+    }
+    if (!isfromquit) {
+	siglongjmp(toplevel, 1);
+	/* NOTREACHED */
+    }
+    return 1;			/* Keep lint, etc., happy */
+}
+
+static int bye(void) {
+    if (!connected) {
+	printf("Need to be connected first for `bye'.\n");
+	return 0;
+    }
+    return dobye(0);
+}
+
+void quit(void) {
+    dobye(1);
+    Exit(0);
+}
+
+int logout(void) {
+    if (!connected) {
+	printf("Need to be connected first for `logout'.\n");
+	return 0;
+    }
+    send_do(TELOPT_LOGOUT, 1);
+    netflush();
+    return 1;
+}
+
+/*
+ * The ENVIRON command.
+ */
+
+struct envcmd {
+	const char	*name;
+	const char	*help;
+	void	(*handler)(const char *, const char *);
+	int	narg;
+};
+
+static void env_help(const char *, const char *);
+
+typedef void (*envfunc)(const char *, const char *);
+
+struct envcmd EnvList[] = {
+    { "define",	"Define an environment variable",
+						env_define,	2 },
+    { "undefine", "Undefine an environment variable",
+						(envfunc) env_undefine,	1 },
+    { "export",	"Mark an environment variable for automatic export",
+						(envfunc) env_export,	1 },
+    { "unexport", "Don't mark an environment variable for automatic export",
+						(envfunc) env_unexport,	1 },
+    { "send",	"Send an environment variable", (envfunc) env_send,	1 },
+    { "list",	"List the current environment variables",
+						(envfunc) env_list,	0 },
+    { "help",	0,				env_help,		0 },
+    { "?",	"Print help information",	env_help,		0 },
+    { 0, 0, 0, 0 },
+};
+
+static void env_help(const char *, const char *) {
+    struct envcmd *c;
+
+    for (c = EnvList; c->name; c++) {
+	if (c->help) {
+	    if (*c->help)
+		printf("%-15s %s\n", c->name, c->help);
+	    else
+		printf("\n");
+	}
+    }
+}
+
+static struct envcmd *getenvcmd(const char *name) {
+    return (struct envcmd *)
+		genget(name, (char **) EnvList, sizeof(struct envcmd));
+}
+
+int env_cmd(int argc, const char *argv[]) {
+    struct envcmd *c;
+
+    if (argc < 2) {
+	fprintf(stderr,
+	    "Need an argument to 'environ' command.  'environ ?' for help.\n");
+	return 0;
+    }
+    c = getenvcmd(argv[1]);
+    if (c == 0) {
+        fprintf(stderr, "'%s': unknown argument ('environ ?' for help).\n",
+    				argv[1]);
+        return 0;
+    }
+    if (c == AMBIGUOUS) {
+        fprintf(stderr, "'%s': ambiguous argument ('environ ?' for help).\n",
+    				argv[1]);
+        return 0;
+    }
+    if (c->narg + 2 != argc) {
+	fprintf(stderr,
+	    "Need %s%d argument%s to 'environ %s' command.  'environ ?' for help.\n",
+		c->narg < argc + 2 ? "only " : "",
+		c->narg, c->narg == 1 ? "" : "s", c->name);
+	return 0;
+    }
+    (*c->handler)(argv[2], argv[3]);
+    return 1;
+}
+
+
+/*
+ * The AUTHENTICATE command.
+ *
+ *    auth status      Display status
+ *    auth disable     Disable an authentication type
+ *    auth enable      Enable an authentication type
+ *
+ * The ENCRYPT command.
+ *
+ *   encrypt enable	Enable encryption
+ *   encrypt disable	Disable encryption
+ *   encrypt type foo   Set encryption type
+ *   encrypt start      Start encryption
+ *   encrypt stop       Stop encryption
+ *   encrypt input      Start encrypting input stream
+ *   encrypt -input     Stop encrypting input stream
+ *   encrypt output     Start encrypting output stream
+ *   encrypt -output    Stop encrypting output stream
+ *   encrypt status     Print status
+ */
+
+
+#ifdef TN3270
+char *oflgs[] = { "read-only", "write-only", "read-write" };
+    
+static void filestuff(int fd) {
+    int res;
+
+#ifdef	F_GETOWN
+    setconnmode(0);
+    res = fcntl(fd, F_GETOWN, 0);
+    setcommandmode();
+
+    if (res == -1) {
+	perror("fcntl");
+	return;
+    }
+    printf("\tOwner is %d.\n", res);
+#endif
+
+    setconnmode(0);
+    res = fcntl(fd, F_GETFL, 0);
+    setcommandmode();
+
+    if (res == -1) {
+	perror("fcntl");
+	return;
+    }
+    printf("\tFlags are 0x%x: %s\n", res, oflgs[res]);
+}
+#endif /* TN3270 */
+
+/*
+ * Print status about the connection.
+ */
+static int dostatus(int notmuch) {
+    if (connected) {
+	printf("Connected to %s.\n", hostname);
+	if (!notmuch) {
+	    int mode = getconnmode();
+
+	    if (my_want_state_is_will(TELOPT_LINEMODE)) {
+		printf("Operating with LINEMODE option\n");
+		printf("%s line editing\n", (mode&MODE_EDIT) ? "Local" : "No");
+		printf("%s catching of signals\n",
+					(mode&MODE_TRAPSIG) ? "Local" : "No");
+		slcstate();
+#ifdef	KLUDGELINEMODE
+	    } 
+	    else if (kludgelinemode && my_want_state_is_dont(TELOPT_SGA)) {
+		printf("Operating in obsolete linemode\n");
+#endif
+	    } 
+	    else {
+		printf("Operating in single character mode\n");
+		if (localchars)
+		    printf("Catching signals locally\n");
+	    }
+	    printf("%s character echo\n", (mode&MODE_ECHO) ? "Local" : "Remote");
+	    if (my_want_state_is_will(TELOPT_LFLOW))
+		printf("%s flow control\n", (mode&MODE_FLOW) ? "Local" : "No");
+	}
+    } 
+    else {
+	printf("No connection.\n");
+    }
+#if !defined(TN3270)
+    printf("Escape character is '%s'.\n", control(escapechar));
+    (void) fflush(stdout);
+#else /* !defined(TN3270) */
+    if ((!In3270) && !notmuch) {
+	printf("Escape character is '%s'.\n", control(escape));
+    }
+    if ((argc >= 2) && !strcmp(argv[1], "everything")) {
+	printf("SIGIO received %d time%s.\n",
+				sigiocount, (sigiocount == 1)? "":"s");
+	if (In3270) {
+	    printf("Process ID %d, process group %d.\n",
+					    getpid(), getpgrp(getpid()));
+	    printf("Terminal input:\n");
+	    filestuff(tin);
+	    printf("Terminal output:\n");
+	    filestuff(tout);
+	    printf("Network socket:\n");
+	    filestuff(net);
+	}
+    }
+    if (In3270 && transcom) {
+       printf("Transparent mode command is '%s'.\n", transcom);
+    }
+    fflush(stdout);
+    if (In3270) {
+	return 0;
+    }
+#endif /* TN3270 */
+    return 1;
+}
+
+static int status(void) {
+    int notmuch = 1;
+    return dostatus(notmuch);
+}
+
+#ifdef	SIGINFO
+/*
+ * Function that gets called when SIGINFO is received.
+ */
+void ayt_status(int) {
+    dostatus(1);
+}
+#endif
+
+int tn(int argc, const char *argv[]) {
+    register struct hostent *host = 0;
+    struct sockaddr_in sn;
+    struct servent *sp = 0;
+    char *srp = NULL;
+    int srlen;
+
+    const char *cmd, *volatile user = 0;
+    const char *portp = NULL;
+    char *hostp = NULL;
+
+    /* clear the socket address prior to use */
+    memset(&sn, 0, sizeof(sn));
+
+    if (connected) {
+	printf("?Already connected to %s\n", hostname);
+	return 0;
+    }
+    if (argc < 2) {
+	(void) strcpy(line, "open ");
+	printf("(to) ");
+	(void) fgets(&line[strlen(line)], sizeof(line) - strlen(line), stdin);
+	makeargv();
+	argc = margc;
+	argv = margv;
+    }
+    cmd = *argv;
+    --argc; ++argv;
+    while (argc) {
+	/* 
+	 * Having "telnet h" print usage is really stupid... 
+	 * suppose your hostname is h?
+	 */
+	if (/*isprefix(*argv, "help") ||*/ isprefix(*argv, "?"))
+	    goto usage;
+	if (strcmp(*argv, "-l") == 0) {
+	    --argc; ++argv;
+	    if (argc == 0)
+		goto usage;
+	    user = *argv++;
+	    --argc;
+	    continue;
+	}
+	if (strcmp(*argv, "-a") == 0) {
+	    --argc; ++argv;
+	    autologin = 1;
+	    continue;
+	}
+	if (hostp == 0) {
+	    /* this leaks memory - FIXME */
+	    hostp = strdup(*argv++);
+	    --argc;
+	    continue;
+	}
+	if (portp == 0) {
+	    portp = *argv++;
+	    --argc;
+	    continue;
+	}
+    usage:
+	printf("usage: %s [-l user] [-a] host-name [port]\n", cmd);
+	return 0;
+    }
+    if (hostp == 0)
+	goto usage;
+
+#if defined(IP_OPTIONS) && defined(HAS_IPPROTO_IP)
+    if (hostp[0] == '@' || hostp[0] == '!') {
+	if ((hostname = strrchr(hostp, ':')) == NULL)
+	    hostname = strrchr(hostp, '@');
+	hostname++;
+	srp = 0;
+	int temp = sourceroute(hostp, &srp, &srlen);
+	if (temp == 0) {
+	    herror(srp);
+	    return 0;
+	} else if (temp == -1) {
+	    printf("Bad source route option: %s\n", hostp);
+	    return 0;
+	} else {
+	    sn.sin_addr.s_addr = temp;
+	    sn.sin_family = AF_INET;
+	}
+    } 
+    else {
+#endif
+	if (inet_aton(hostp, &sn.sin_addr)) {
+	    sn.sin_family = AF_INET;
+	    strcpy(_hostname, hostp);
+	    hostname = _hostname;
+	} 
+	else {
+	    host = gethostbyname(hostp);
+	    if (host) {
+		sn.sin_family = host->h_addrtype;
+		if (host->h_length > (int)sizeof(sn.sin_addr)) {
+		    host->h_length = sizeof(sn.sin_addr);
+		}
+#if	defined(h_addr)		/* In 4.3, this is a #define */
+		memcpy((caddr_t)&sn.sin_addr,
+				host->h_addr_list[0], host->h_length);
+#else	/* defined(h_addr) */
+		memcpy((caddr_t)&sn.sin_addr, host->h_addr, host->h_length);
+#endif	/* defined(h_addr) */
+		strncpy(_hostname, host->h_name, sizeof(_hostname));
+		_hostname[sizeof(_hostname)-1] = '\0';
+		hostname = _hostname;
+	    } else {
+		herror(hostp);
+		return 0;
+	    }
+	}
+#if defined(IP_OPTIONS) && defined(HAS_IPPROTO_IP)
+    }
+#endif
+    if (portp) {
+	if (*portp == '-') {
+	    portp++;
+	    telnetport = 1;
+	} else
+	    telnetport = 0;
+	sn.sin_port = atoi(portp);
+	if (sn.sin_port == 0) {
+	    sp = getservbyname(portp, "tcp");
+	    if (sp)
+		sn.sin_port = sp->s_port;
+	    else {
+		printf("%s: bad port number\n", portp);
+		return 0;
+	    }
+	} 
+	else {
+	    sn.sin_port = htons(sn.sin_port);
+	}
+    } 
+    else {
+	if (sp == 0) {
+	    sp = getservbyname("telnet", "tcp");
+	    if (sp == 0) {
+		fprintf(stderr, "telnet: tcp/telnet: unknown service\n");
+		return 0;
+	    }
+	    sn.sin_port = sp->s_port;
+	}
+	telnetport = 1;
+    }
+    printf("Trying %s...\n", inet_ntoa(sn.sin_addr));
+    do {
+	int x = nlink.connect(debug, host, &sn, srp, srlen, tos);
+	if (!x) return 0;
+	else if (x==1) continue;
+	connected++;
+    } while (connected == 0);
+    cmdrc(hostp, hostname);
+    if (autologin && user == NULL) {
+	struct passwd *pw;
+
+	user = getenv("USER");
+	if (user == NULL ||
+	    ((pw = getpwnam(user))!=NULL && pw->pw_uid != getuid())) {
+		if ((pw = getpwuid(getuid()))!=NULL)
+			user = pw->pw_name;
+		else
+			user = NULL;
+	}
+    }
+    if (user) {
+	env_define("USER", user);
+	env_export("USER");
+    }
+    dostatus(1);
+    if (sigsetjmp(peerdied, 1) == 0)
+	telnet(user);
+    nlink.close(0);
+    ExitString("Connection closed by foreign host.\n",1);
+    /*NOTREACHED*/
+    return 0;
+}
+
+static char
+	openhelp[] =	"connect to a site",
+	closehelp[] =	"close current connection",
+	logouthelp[] =	"forcibly logout remote user and close the connection",
+	quithelp[] =	"exit telnet",
+	statushelp[] =	"print status information",
+	sendhelp[] =	"transmit special characters ('send ?' for more)",
+	sethelp[] = 	"set operating parameters ('set ?' for more)",
+	unsethelp[] = 	"unset operating parameters ('unset ?' for more)",
+	togglestring[] ="toggle operating parameters ('toggle ?' for more)",
+	displayhelp[] =	"display operating parameters",
+#ifdef TN3270
+	transcomhelp[] = "specify Unix command for transparent mode pipe",
+#endif /* TN3270 */
+	zhelp[] =	"suspend telnet",
+/*	shellhelp[] =	"invoke a subshell", */
+	envhelp[] =	"change environment variables ('environ ?' for more)",
+	modestring[] = "try to enter line or character mode ('mode ?' for more)";
+
+static char	crmodhelp[] =	"deprecated command -- use 'toggle crmod' instead";
+static char	escapehelp[] =	"deprecated command -- use 'set escape' instead";
+
+static int help(command_table *, int, const char **);
+
+static int doquit(void) {
+    quit();
+    return 0;
+}
+
+static int slc_mode_import_0(void) {
+    slc_mode_import(0);
+    return 1;
+}
+
+static int slc_mode_import_1(void) {
+    slc_mode_import(1);
+    return 1;
+}
+
+static int do_slc_mode_export(void) {
+    slc_mode_export();
+    return 1;
+}
+
+static ptrarray<command_entry> cmdtab;
+static ptrarray<command_entry> cmdtab2;
+static ptrarray<command_entry> slctab;
+
+#define BIND(a,b,c) cmdtab.add(new command_entry(a,b,c))
+#define BIND2(a,b,c) cmdtab2.add(new command_entry(a,b,c))
+#define BINDS(a,b,c) slctab.add(new command_entry(a,b,c))
+
+
+void cmdtab_init(void) {
+    BIND("close",   closehelp,    bye);
+    BIND("logout",  logouthelp,   logout);
+    BIND("display", displayhelp,  display);
+    BIND("mode",    modestring,   modecmd);
+    BIND("open",    openhelp,     tn);
+    BIND("quit",    quithelp,     doquit);
+    BIND("send",    sendhelp,     sendcmd);
+    BIND("set",     sethelp,      setcmd);
+    BIND("unset",   unsethelp,    unsetcmd);
+    BIND("status",  statushelp,   status);
+    BIND("toggle",  togglestring, toggle);
+    BIND("slc", "set treatment of special characters\n", &slctab);
+
+#ifdef TN3270
+    BIND("transcom", transcomhelp, settranscom);
+#endif /* TN3270 */
+
+    // BIND("auth", authhelp, auth_cmd);
+    // BIND("encrypt", encrypthelp, encrypt_cmd);
+
+    BIND("z", zhelp, suspend);
+
+#if defined(TN3270)   /* why?! */
+    BIND("!", shellhelp, shell);
+#endif
+
+    BIND("environ", envhelp, env_cmd);
+
+    BINDS("export", "Use local special character definitions",
+	 do_slc_mode_export);
+    BINDS("import", "Use remote special character definitions",
+	 slc_mode_import_1);
+    BINDS("check", "Verify remote special character definitions",
+	 slc_mode_import_0);
+
+    BIND2("escape", escapehelp, setescape);
+    BIND2("crmod", crmodhelp, togcrmod);
+}
+
+
+static command_entry *getcmd(command_table *tab, const char *name) {
+    if (!strcasecmp(name, "?") || 
+	!strcasecmp(name, "h") ||
+	!strcasecmp(name, "help")) return (command_entry *)HELP;
+
+    command_entry *found = NULL;
+
+    for (int i=0; i<tab->num(); i++) {
+	command_entry *c = (*tab)[i];
+	if (!strcasecmp(c->getname(), name)) return c;
+	if (!strncasecmp(c->getname(), name, strlen(name))) {
+	    if (found) return (command_entry *)AMBIGUOUS;
+	    found = c;
+	}
+    }
+    if (tab==&cmdtab && !found) return getcmd(&cmdtab2, name);
+
+    return found;
+}
+
+static int process_command(command_table *tab, int argc, const char **argv) {
+    command_entry *c;
+    c = getcmd(tab, argv[0]);
+    if (c == HELP) {
+	help(tab, argc, argv);
+    }
+    else if (c == AMBIGUOUS) {
+	printf("?Ambiguous command\n");
+    }
+    else if (c == NULL) {
+	printf("?Invalid command\n");
+    }
+    else {
+	if (c->call(argc, argv)) return 1;
+    }
+    return 0;
+}
+
+void command(int top, const char *tbuf, int cnt) {
+
+    setcommandmode();
+    if (!top) {
+	putchar('\n');
+    } 
+    else {
+	signal(SIGINT, SIG_DFL);
+	signal(SIGQUIT, SIG_DFL);
+    }
+    for (;;) {
+	if (rlogin == _POSIX_VDISABLE)
+		printf("%s> ", prompt);
+	if (tbuf) {
+	    char *cp = line;
+	    while (cnt > 0 && (*cp++ = *tbuf++) != '\n')
+		cnt--;
+	    tbuf = 0;
+	    if (cp == line || *--cp != '\n' || cp == line)
+		goto getline;
+	    *cp = '\0';
+	    if (rlogin == _POSIX_VDISABLE)
+	        printf("%s\n", line);
+	} 
+	else {
+	 getline:
+	    if (rlogin != _POSIX_VDISABLE)
+		printf("%s> ", prompt);
+	    if (fgets(line, sizeof(line), stdin) == NULL) {
+		if (feof(stdin) || ferror(stdin)) {
+		    quit();
+		    /*NOTREACHED*/
+		}
+		break;
+	    }
+	}
+	if (line[0] == 0)
+	    break;
+	makeargv();
+	if (margv[0] == 0) {
+	    break;
+	}
+	if (process_command(&cmdtab, margc, margv)) break;
+    }
+    if (!top) {
+	if (!connected) {
+	    siglongjmp(toplevel, 1);
+	    /*NOTREACHED*/
+	}
+#if	defined(TN3270)
+	if (shell_active == 0) {
+	    setconnmode(0);
+	}
+#else	/* defined(TN3270) */
+	setconnmode(0);
+#endif	/* defined(TN3270) */
+    }
+}
+
+/*
+ * Help command.
+ */
+static int help(command_table *tab, int argc, const char *argv[]) {
+    int i;
+    
+    if (argc == 1) {
+	printf("Commands may be abbreviated.  Commands are:\n\n");
+	for (i = 0; i<tab->num(); i++) (*tab)[i]->describe();
+	return 0;
+    }
+    for (i=1; i<argc; i++) {
+	command_entry *c = getcmd(tab, argv[i]);
+	if (c == HELP) {
+	    printf("Print help information\n");
+	}
+	else if (c == AMBIGUOUS) {
+	    printf("?Ambiguous help command %s\n", argv[i]);
+	}
+	else if (c == NULL) {
+	    printf("?Invalid help command %s\n", argv[i]);
+	}
+	else {
+	    c->gethelp();
+	}
+    }
+    return 0;
+}
+
+static char *rcname = 0;
+static char rcbuf[128];
+
+void cmdrc(const char *m1, const char *m2) {
+    FILE *rcfile;
+    int gotmachine = 0;
+    int l1 = strlen(m1);
+    int l2 = strlen(m2);
+    char m1save[64];
+
+    if (skiprc) return;
+
+    strcpy(m1save, m1);
+    m1 = m1save;
+
+    if (rcname == 0) {
+	rcname = getenv("HOME");
+	if (rcname)
+	    strcpy(rcbuf, rcname);
+	else
+	    rcbuf[0] = '\0';
+	strcat(rcbuf, "/.telnetrc");
+	rcname = rcbuf;
+    }
+
+    rcfile = fopen(rcname, "r");
+    if (!rcfile) return;
+
+    while (fgets(line, sizeof(line), rcfile)) {
+	if (line[0] == 0)
+	    break;
+	if (line[0] == '#')
+	    continue;
+	if (gotmachine) {
+	    if (!isspace(line[0]))
+		gotmachine = 0;
+	}
+	if (gotmachine == 0) {
+	    if (isspace(line[0]))
+		continue;
+	    if (strncasecmp(line, m1, l1) == 0)
+		strncpy(line, &line[l1], sizeof(line) - l1);
+	    else if (strncasecmp(line, m2, l2) == 0)
+		strncpy(line, &line[l2], sizeof(line) - l2);
+	    else if (strncasecmp(line, "DEFAULT", 7) == 0)
+		strncpy(line, &line[7], sizeof(line) - 7);
+	    else
+		continue;
+	    if (line[0] != ' ' && line[0] != '\t' && line[0] != '\n')
+		continue;
+	    gotmachine = 1;
+	}
+	makeargv();
+	if (margv[0] == 0)
+	    continue;
+	process_command(&cmdtab, margc, margv);
+    }
+    fclose(rcfile);
+}
+
+#if defined(IP_OPTIONS) && defined(HAS_IPPROTO_IP)
+
+/*
+ * Source route is handed in as
+ *	[!]@hop1@hop2...[@|:]dst
+ * If the leading ! is present, it is a
+ * strict source route, otherwise it is
+ * assmed to be a loose source route.
+ *
+ * We fill in the source route option as
+ *	hop1,hop2,hop3...dest
+ * and return a pointer to hop1, which will
+ * be the address to connect() to.
+ *
+ * Arguments:
+ *	arg:	pointer to route list to decipher
+ *
+ *	cpp: 	If *cpp is not equal to NULL, this is a
+ *		pointer to a pointer to a character array
+ *		that should be filled in with the option.
+ *
+ *	lenp:	pointer to an integer that contains the
+ *		length of *cpp if *cpp != NULL.
+ *
+ * Return values:
+ *
+ *	Returns the address of the host to connect to.  If the
+ *	return value is -1, there was a syntax error in the
+ *	option, either unknown characters, or too many hosts.
+ *	If the return value is 0, one of the hostnames in the
+ *	path is unknown, and *cpp is set to point to the bad
+ *	hostname.
+ *
+ *	*cpp:	If *cpp was equal to NULL, it will be filled
+ *		in with a pointer to our static area that has
+ *		the option filled in.  This will be 32bit aligned.
+ * 
+ *	*lenp:	This will be filled in with how long the option
+ *		pointed to by *cpp is.
+ *	
+ */
+static unsigned long sourceroute(char *arg, char **cpp, int *lenp) {
+	static char lsr[44];
+	char *cp, *cp2, *lsrp, *lsrep;
+	struct in_addr sin_addr;
+	register struct hostent *host = 0;
+	register char c;
+
+	/*
+	 * Verify the arguments, and make sure we have
+	 * at least 7 bytes for the option.
+	 */
+	if (cpp == NULL || lenp == NULL)
+		return((unsigned long)-1);
+	if (*cpp != NULL && *lenp < 7)
+		return((unsigned long)-1);
+	/*
+	 * Decide whether we have a buffer passed to us,
+	 * or if we need to use our own static buffer.
+	 */
+	if (*cpp) {
+		lsrp = *cpp;
+		lsrep = lsrp + *lenp;
+	} 
+	else {
+		*cpp = lsrp = lsr;
+		lsrep = lsrp + 44;
+	}
+
+	cp = arg;
+
+	/*
+	 * Next, decide whether we have a loose source
+	 * route or a strict source route, and fill in
+	 * the begining of the option.
+	 */
+	if (*cp == '!') {
+		cp++;
+		*lsrp++ = IPOPT_SSRR;
+	} 
+	else *lsrp++ = IPOPT_LSRR;
+
+	if (*cp != '@')
+		return((unsigned long)-1);
+
+	lsrp++;		/* skip over length, we'll fill it in later */
+	*lsrp++ = 4;
+
+	cp++;
+
+	sin_addr.s_addr = 0;
+
+	for (c = 0;;) {
+		if (c == ':')
+			cp2 = 0;
+		else for (cp2 = cp; (c = *cp2) != 0; cp2++) {
+			if (c == ',') {
+				*cp2++ = '\0';
+				if (*cp2 == '@')
+					cp2++;
+			} else if (c == '@') {
+				*cp2++ = '\0';
+			} else if (c == ':') {
+				*cp2++ = '\0';
+			} else
+				continue;
+			break;
+		}
+		if (!c)
+			cp2 = 0;
+
+		if (inet_aton(cp, &sin_addr)) ;  /* nothing */
+		else if ((host = gethostbyname(cp))!=NULL) {
+		    if (host->h_length > (int)sizeof(sin_addr)) {
+			host->h_length = sizeof(sin_addr);
+		    }
+#if defined(h_addr)
+		    memcpy(&sin_addr, host->h_addr_list[0], host->h_length);
+#else
+		    memcpy(&sin_addr, host->h_addr, host->h_length);
+#endif
+		} else {
+			*cpp = cp;
+			return(0);
+		}
+		memcpy(lsrp, (char *)&sin_addr, 4);
+		lsrp += 4;
+		if (cp2)
+			cp = cp2;
+		else
+			break;
+		/*
+		 * Check to make sure there is space for next address
+		 */
+		if (lsrp + 4 > lsrep)
+			return((unsigned long)-1);
+	}
+	if ((*(*cpp+IPOPT_OLEN) = lsrp - *cpp) <= 7) {
+		*cpp = 0;
+		*lenp = 0;
+		return((unsigned long)-1);
+	}
+	*lsrp++ = IPOPT_NOP; /* 32 bit word align it */
+	*lenp = lsrp - *cpp;
+	return(sin_addr.s_addr);
+}
+#endif
Index: netkit-telnet-0.17-new/telnet/main.cc
===================================================================
--- netkit-telnet-0.17-new/telnet/main.cc	(nonexistent)
+++ netkit-telnet-0.17-new/telnet/main.cc	(revision 5)
@@ -0,0 +1,258 @@
+/*
+ * Copyright (c) 1988, 1990 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.
+ */
+
+char copyright[] =
+  "@(#) Copyright (c) 1988, 1990 Regents of the University of California.\n"
+  "All rights reserved.\n";
+
+/*
+ * From: @(#)main.c	5.4 (Berkeley) 3/22/91
+ */
+char main_rcsid[] = 
+  "$Id: main.cc,v 1.14 1999/08/01 05:06:37 dholland Exp $";
+
+#include "../version.h"
+
+#include <sys/types.h>
+#include <getopt.h>
+#include <string.h>
+#include <stdlib.h>
+
+#include "ring.h"
+#include "externs.h"
+#include "defines.h"
+#include "proto.h"
+
+/*
+ * Initialize variables.
+ */
+void
+tninit(void)
+{
+    init_terminal();
+
+    init_network();
+    
+    init_telnet();
+
+    init_sys();
+
+#if defined(TN3270)
+    init_3270();
+#endif
+}
+
+/*
+ * note: -x should mean use encryption
+ *       -k <realm> to set kerberos realm
+ *       -K don't auto-login
+ *       -X <atype> disable specified auth type
+ */ 
+void usage(void) {
+    fprintf(stderr, "Usage: %s %s%s%s%s\n",
+	    prompt,
+	    " [-8] [-E] [-L] [-a] [-d] [-e char] [-l user] [-n tracefile]",
+	    "\n\t",
+#ifdef TN3270
+	    "[-noasynch] [-noasynctty] [-noasyncnet] [-r] [-t transcom]\n\t",
+#else
+	    "[-r] ",
+#endif
+	    "[host-name [port]]"
+	);
+	exit(1);
+}
+
+/*
+ * main.  Parse arguments, invoke the protocol or command parser.
+ */
+
+int
+main(int argc, char *argv[])
+{
+	extern char *optarg;
+	extern int optind;
+	int ch;
+	char *user;
+
+	tninit();		/* Clear out things */
+#if	defined(CRAY) && !defined(__STDC__)
+	_setlist_init();	/* Work around compiler bug */
+#endif
+
+	TerminalSaveState();
+
+	if ((prompt = strrchr(argv[0], '/'))!=NULL)
+		++prompt;
+	else
+		prompt = argv[0];
+
+	user = NULL;
+
+	rlogin = (strncmp(prompt, "rlog", 4) == 0) ? '~' : _POSIX_VDISABLE;
+	autologin = -1;
+
+	while ((ch = getopt(argc, argv, "8EKLS:X:ade:k:l:n:rt:x")) != EOF) {
+		switch(ch) {
+		case '8':
+			eight = 3;	/* binary output and input */
+			break;
+		case 'E':
+			rlogin = escapechar = _POSIX_VDISABLE;
+			break;
+		case 'K':
+		        //autologin = 0;
+			break;
+		case 'L':
+			eight |= 2;	/* binary output only */
+			break;
+		case 'S':
+		    {
+#ifdef	HAS_GETTOS
+			extern int tos;
+
+			if ((tos = parsetos(optarg, "tcp")) < 0)
+				fprintf(stderr, "%s%s%s%s\n",
+					prompt, ": Bad TOS argument '",
+					optarg,
+					"; will try to use default TOS");
+#else
+			fprintf(stderr,
+			   "%s: Warning: -S ignored, no parsetos() support.\n",
+								prompt);
+#endif
+		    }
+			break;
+		case 'X':
+		        // disable authentication type "optarg"
+			break;
+		case 'a':
+			autologin = 1;
+			break;
+		case 'c':
+			skiprc = 1;
+			break;
+		case 'd':
+			debug = 1;
+			break;
+		case 'e':
+			set_escape_char(optarg);
+			break;
+		case 'k':
+			fprintf(stderr,
+				"%s: -k ignored, no Kerberos V4 support.\n",
+				prompt);
+			break;
+		case 'l':
+			autologin = 1;
+			user = optarg;
+			break;
+		case 'n':
+#ifdef TN3270
+			/* distinguish between "-n oasynch" and "-noasynch" */
+			if (argv[optind - 1][0] == '-' && argv[optind - 1][1]
+			    == 'n' && argv[optind - 1][2] == 'o') {
+				if (!strcmp(optarg, "oasynch")) {
+					noasynchtty = 1;
+					noasynchnet = 1;
+				} else if (!strcmp(optarg, "oasynchtty"))
+					noasynchtty = 1;
+				else if (!strcmp(optarg, "oasynchnet"))
+					noasynchnet = 1;
+			} else
+#endif	/* TN3270 */
+				SetNetTrace(optarg);
+			break;
+		case 'r':
+			rlogin = '~';
+			break;
+		case 't':
+#ifdef TN3270
+			transcom = tline;
+			(void)strcpy(transcom, optarg);
+#else
+			fprintf(stderr,
+			   "%s: Warning: -t ignored, no TN3270 support.\n",
+								prompt);
+#endif
+			break;
+		case 'x':
+			fprintf(stderr,
+				"%s: -x ignored, no encryption support.\n",
+				prompt);
+			break;
+		case '?':
+		default:
+			usage();
+			/* NOTREACHED */
+		}
+	}
+	if (autologin == -1)
+		autologin = (rlogin == _POSIX_VDISABLE) ? 0 : 1;
+
+	argc -= optind;
+	argv += optind;
+
+	if (argc) {
+		const char *args[7];
+		const char **volatile argp = args;
+
+		if (argc > 2)
+			usage();
+		*argp++ = prompt;
+		if (user) {
+			*argp++ = "-l";
+			*argp++ = user;
+		}
+		*argp++ = argv[0];		/* host */
+		if (argc > 1)
+			*argp++ = argv[1];	/* port */
+		*argp = 0;
+
+		if (sigsetjmp(toplevel, 1) != 0)
+			Exit(0);
+		if (tn(argp - args, args) == 1)
+			return (0);
+		else
+			return (1);
+	}
+	(void)sigsetjmp(toplevel, 1);
+	for (;;) {
+#ifdef TN3270
+		if (shell_active)
+			shell_continue();
+		else
+#endif
+			command(1, 0, 0);
+	}
+}
Index: netkit-telnet-0.17-new/telnet/netlink.cc
===================================================================
--- netkit-telnet-0.17-new/telnet/netlink.cc	(nonexistent)
+++ netkit-telnet-0.17-new/telnet/netlink.cc	(revision 5)
@@ -0,0 +1,195 @@
+#include <errno.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+#include <sys/ioctl.h>
+#include <sys/time.h>
+#include <netdb.h>
+#include "netlink.h"
+#include "proto.h"
+#include "ring.h"
+
+/* In Linux, this is an enum */
+#if defined(__linux__) || defined(IPPROTO_IP)
+#define HAS_IPPROTO_IP
+#endif
+
+netlink nlink;
+
+class netchannel : public ringbuf::source {
+  public:
+    virtual int read(char *buf, int maxlen) {
+	int net = nlink.getfd();
+	int l = recv(net, buf, maxlen, 0);
+	if (l<0 && errno == EWOULDBLOCK) l = 0;
+	return l;
+    }
+};
+
+class netchannel2 : public datasink {
+  public:
+    virtual int write(const char *buf, int len) {
+	int r = nlink.send(buf, len, 0);
+	if (r==-1 && (errno==ENOBUFS || errno==EWOULDBLOCK)) return 0;
+	return r;
+    }
+    virtual int writeurg(const char *buf, int len) {
+	    /*
+	     * In 4.2 (and 4.3) systems, there is some question about
+	     * what byte in a sendOOB operation is the "OOB" data.
+	     * To make ourselves compatible, we only send ONE byte
+	     * out of band, the one WE THINK should be OOB (though
+	     * we really have more the TCP philosophy of urgent data
+	     * rather than the Unix philosophy of OOB data).
+	     */
+	if (len==0) return 0;
+	int r = nlink.send(buf, 1, MSG_OOB);
+	if (r==-1 && (errno==ENOBUFS || errno==EWOULDBLOCK)) r = 0;
+	if (r<=0) return r;
+	int rr = nlink.send(buf+1, len-r, 0);
+	if (rr==-1 && (errno==ENOBUFS || errno==EWOULDBLOCK)) rr = 0;
+	if (rr<=0) return r;   /* less than ideal */
+	return r+rr;
+    }
+};
+
+static netchannel chan;
+static netchannel2 chan2;
+datasink *netsink = &chan2;
+ringbuf::source *netsrc = &chan;
+
+
+netlink::netlink() { net = -1; }
+netlink::~netlink() { ::close(net); }
+
+
+int netlink::setdebug(int debug) {
+    if (net > 0 &&
+	(setsockopt(net, SOL_SOCKET, SO_DEBUG, &debug, sizeof(debug))) < 0) {
+	perror("setsockopt (SO_DEBUG)");
+    }
+    return 1;
+}
+
+void netlink::close(int doshutdown) {
+    if (doshutdown) {
+	shutdown(net, 2);
+    }
+    ::close(net);
+}
+
+int netlink::connect(int debug, struct hostent *host, 
+		     struct sockaddr_in *sn, 
+		     char *srcroute, int srlen, int tos) 
+{
+    int on=1;
+
+    net = socket(AF_INET, SOCK_STREAM, 0);
+    if (net < 0) {
+	perror("telnet: socket");
+	return 0;
+    }
+
+#if defined(IP_OPTIONS) && defined(HAS_IPPROTO_IP)
+    if (srcroute) {
+	if (setsockopt(net, IPPROTO_IP, IP_OPTIONS, srcroute, srlen) < 0)
+	    perror("setsockopt (IP_OPTIONS)");
+    }
+#endif
+
+#if defined(HAS_IPPROTO_IP) && defined(IP_TOS)
+#if defined(HAS_GETTOS)
+    struct tosent *tp;
+    if (tos < 0 && (tp = gettosbyname("telnet", "tcp")))
+	tos = tp->t_tos;
+#endif
+    if (tos < 0) tos = 020;	/* Low Delay bit */
+    if (tos && (setsockopt(net, IPPROTO_IP, IP_TOS, &tos, sizeof(int)) < 0)
+	&& (errno != ENOPROTOOPT))
+	perror("telnet: setsockopt (IP_TOS) (ignored)");
+#endif	/* defined(IPPROTO_IP) && defined(IP_TOS) */
+
+    if (debug && setsockopt(net, SOL_SOCKET, SO_DEBUG, &on, sizeof(on)) < 0) {
+	perror("setsockopt (SO_DEBUG)");
+    }
+    
+    if (::connect(net, (struct sockaddr *)sn, sizeof(*sn)) < 0) {
+#if defined(h_addr)		/* In 4.3, this is a #define */
+	if (host && host->h_addr_list[1]) {
+	    int oerrno = errno;
+	    
+	    fprintf(stderr, "telnet: connect to address %s: ",
+		    inet_ntoa(sn->sin_addr));
+	    errno = oerrno;
+	    perror(NULL);
+	    host->h_addr_list++;
+	    if (host->h_length > (int)sizeof(sn->sin_addr)) {
+		host->h_length = sizeof(sn->sin_addr);
+	    }
+	    memcpy(&sn->sin_addr, host->h_addr_list[0], host->h_length);
+	    close(net);
+	    return 1;
+	}
+#endif	/* defined(h_addr) */
+
+	perror("telnet: Unable to connect to remote host");
+	return 0;
+    }
+    return 2;
+}
+
+
+void netlink::oobinline() {
+    int on=1;
+
+    /* Systems without SO_OOBINLINE probably won't work */
+    if (setsockopt(net, SOL_SOCKET, SO_OOBINLINE, &on, sizeof(on)) == -1) {
+	perror("setsockopt");
+    }
+}
+
+
+/*
+ * Check to see if any out-of-band data exists on a socket (for
+ * Telnet "synch" processing).
+ */
+
+int netlink::stilloob(void) {
+    static struct timeval timeout = { 0, 0 };
+    fd_set excepts;
+    int value;
+
+    do {
+	FD_ZERO(&excepts);
+	FD_SET(net, &excepts);
+	value = select(net+1, NULL, NULL, &excepts, &timeout);
+    } while ((value == -1) && (errno == EINTR));
+
+    if (value < 0) {
+	perror("select");
+	quit();
+	/* NOTREACHED */
+    }
+    if (FD_ISSET(net, &excepts)) {
+	return 1;
+    } else {
+	return 0;
+    }
+}
+
+int netlink::send(const char *s, int n, int f) {
+    return ::send(net, s, n, f);
+}
+
+void netlink::nonblock(int onoff) {
+    ioctl(net, FIONBIO, &onoff);
+}
+
+int netlink::getfd() {
+    return net;
+}
Index: netkit-telnet-0.17-new/telnet/network.cc
===================================================================
--- netkit-telnet-0.17-new/telnet/network.cc	(nonexistent)
+++ netkit-telnet-0.17-new/telnet/network.cc	(revision 5)
@@ -0,0 +1,92 @@
+/*
+ * Copyright (c) 1988 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.
+ */
+
+/*
+ * From: @(#)network.c	5.2 (Berkeley) 3/1/91
+ */
+char net_rcsid[] = 
+  "$Id: network.cc,v 1.15 1996/08/13 08:09:58 dholland Exp $";
+
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <sys/time.h>
+#include <errno.h>
+#include <arpa/telnet.h>
+#include <stdlib.h>
+
+#include "ring.h"
+#include "defines.h"
+#include "externs.h"
+#include "proto.h"
+#include "netlink.h"
+
+ringbuf netoring;
+ringbuf netiring;
+
+/*
+ * Initialize internal network data structures.
+ */
+
+void init_network(void) {
+    if (netoring.init(2*BUFSIZ, netsink, NULL) != 1) {
+	exit(1);
+    }
+    if (netiring.init(BUFSIZ, NULL, netsrc) != 1) {
+	exit(1);
+    }
+    NetTrace = stdout;
+}
+
+
+/*
+ *  netflush
+ *		Send as much data as possible to the network,
+ *	handling requests for urgent data.
+ *
+ *		The return value indicates whether we did any
+ *	useful work.
+ */
+
+
+int netflush(void) {
+    int r = netoring.flush();
+    if (r < -1) {
+	setcommandmode();
+	perror(hostname);
+	nlink.close(0);
+	netoring.clear_mark();
+	siglongjmp(peerdied, -1);
+	/*NOTREACHED*/
+    }
+    return r>0;
+}
Index: netkit-telnet-0.17-new/telnet/terminal.cc
===================================================================
--- netkit-telnet-0.17-new/telnet/terminal.cc	(nonexistent)
+++ netkit-telnet-0.17-new/telnet/terminal.cc	(revision 5)
@@ -0,0 +1,720 @@
+/*
+ * Copyright (c) 1988, 1990 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.
+ */
+
+/*
+ * From: @(#)terminal.c	5.3 (Berkeley) 3/22/91
+ */
+char terminal_rcsid[] = 
+  "$Id: terminal.cc,v 1.25 1999/12/12 19:48:05 dholland Exp $";
+
+#include <arpa/telnet.h>
+#include <sys/types.h>
+#include <sys/time.h>
+#include <termios.h>
+#include <unistd.h>
+#include <signal.h>
+#include <errno.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "ring.h"
+#include "defines.h"
+#include "externs.h"
+#include "types.h"
+#include "proto.h"
+#include "terminal.h"
+
+static int TerminalWrite(const char *buf, int n);
+static int TerminalRead(char *buf, int n);
+
+ringbuf ttyoring, ttyiring;
+
+#ifndef VDISCARD
+cc_t termFlushChar;
+#endif
+
+#ifndef VLNEXT
+cc_t termLiteralNextChar;
+#endif
+
+#ifndef VSUSP
+cc_t termSuspChar;
+#endif
+
+#ifndef VWERASE
+cc_t termWerasChar;
+#endif
+
+#ifndef VREPRINT
+cc_t termRprntChar;
+#endif
+
+#ifndef VSTART
+cc_t termStartChar;
+#endif
+
+#ifndef VSTOP
+cc_t termStopChar;
+#endif
+
+#ifndef VEOL
+cc_t termForw1Char;
+#endif
+
+#ifndef VEOL2
+cc_t termForw2Char;
+#endif
+
+#ifndef VSTATUS
+cc_t termAytChar;
+#endif
+
+/*
+ * initialize the terminal data structures.
+ */
+void init_terminal(void) {
+    if (ttyoring.init(2*BUFSIZ, ttysink, NULL) != 1) {
+	exit(1);
+    }
+    if (ttyiring.init(BUFSIZ, NULL, ttysrc) != 1) {
+	exit(1);
+    }
+    autoflush = TerminalAutoFlush();
+}
+
+
+/*
+ *		Send as much data as possible to the terminal.
+ *              if arg "drop" is nonzero, drop data on the floor instead.
+ *
+ *		Return value:
+ *			-1: No useful work done, data waiting to go out.
+ *			 0: No data was waiting, so nothing was done.
+ *			 1: All waiting data was written out.
+ *			 n: All data - n was written out.
+ */
+int ttyflush(int drop) {
+    datasink *s = NULL;
+    if (drop) {
+	TerminalFlushOutput();
+	s = ttyoring.setsink(nullsink);
+    }
+    int rv = ttyoring.flush();
+    if (s) ttyoring.setsink(s);
+    return rv;
+}
+
+
+
+/*
+ * These routines decides on what the mode should be (based on the values
+ * of various global variables).
+ */
+int getconnmode(void) {
+    extern int linemode;
+    int mode = 0;
+#ifdef	KLUDGELINEMODE
+    extern int kludgelinemode;
+#endif
+
+    if (In3270)
+	return(MODE_FLOW);
+
+    if (my_want_state_is_dont(TELOPT_ECHO))
+	mode |= MODE_ECHO;
+
+    if (localflow)
+	mode |= MODE_FLOW;
+
+    if (my_want_state_is_will(TELOPT_BINARY))
+	mode |= MODE_INBIN;
+
+    if (his_want_state_is_will(TELOPT_BINARY))
+	mode |= MODE_OUTBIN;
+
+#ifdef	KLUDGELINEMODE
+    if (kludgelinemode) {
+	if (my_want_state_is_dont(TELOPT_SGA)) {
+	    mode |= (MODE_TRAPSIG|MODE_EDIT);
+	    if (dontlecho && (clocks.echotoggle > clocks.modenegotiated)) {
+		mode &= ~MODE_ECHO;
+	    }
+	}
+	return(mode);
+    }
+#endif
+    if (my_want_state_is_will(TELOPT_LINEMODE))
+	mode |= linemode;
+    return(mode);
+}
+
+void setconnmode(int force) {
+    int newmode;
+
+    newmode = getconnmode()|(force?MODE_FORCE:0);
+
+    TerminalNewMode(newmode);
+
+}
+
+
+void setcommandmode(void) {
+    TerminalNewMode(-1);
+}
+
+
+/*********************/
+
+static int tout;		/* Output file descriptor */
+static int tin;			/* Input file descriptor */
+
+
+class ttysynk : public datasink {
+  public:
+    virtual int write(const char *buf, int len) {
+	return TerminalWrite(buf, len);
+    }
+    virtual int writeurg(const char *buf, int len) {
+	return TerminalWrite(buf, len);
+    }
+};
+
+class ttysorc : public ringbuf::source {
+    virtual int read(char *buf, int maxlen) {
+	int l = TerminalRead(buf, maxlen);
+	if (l<0 && errno==EWOULDBLOCK) l = 0;
+	else if (l==0 && MODE_LOCAL_CHARS(globalmode) && isatty(tin)) {
+	    /* EOF detection for line mode!!!! */
+	    /* must be an EOF... */
+	    *buf = termEofChar;
+	    l = 1;
+	}
+	return l;
+    }
+};
+
+static ttysynk chan1;
+static ttysorc chan2;
+datasink *ttysink = &chan1;
+ringbuf::source *ttysrc = &chan2;
+
+
+struct termios old_tc;
+struct termios new_tc;
+
+#ifndef	TCSANOW
+
+#if defined(TCSETS)
+#define	TCSANOW		TCSETS
+#define	TCSADRAIN	TCSETSW
+#define	tcgetattr(f, t) ioctl(f, TCGETS, (char *)t)
+
+#elif defined(TCSETA)
+#define	TCSANOW		TCSETA
+#define	TCSADRAIN	TCSETAW
+#define	tcgetattr(f, t) ioctl(f, TCGETA, (char *)t)
+
+#else
+#define	TCSANOW		TIOCSETA
+#define	TCSADRAIN	TIOCSETAW
+#define	tcgetattr(f, t) ioctl(f, TIOCGETA, (char *)t)
+
+#endif
+
+#define	tcsetattr(f, a, t) ioctl(f, a, (char *)t)
+#define	cfgetospeed(ptr)	((ptr)->c_cflag&CBAUD)
+#ifdef CIBAUD
+#define	cfgetispeed(ptr)	(((ptr)->c_cflag&CIBAUD) >> IBSHIFT)
+#else
+#define	cfgetispeed(ptr)	cfgetospeed(ptr)
+#endif
+
+#endif /* no TCSANOW */
+
+
+static void susp(int sig);
+
+void tlink_init(void) {
+#ifdef	SIGTSTP
+    signal(SIGTSTP, susp);
+#endif
+    tout = fileno(stdout);
+    tin = fileno(stdin);
+}
+
+int tlink_getifd(void) {
+    return tin;
+}
+
+int tlink_getofd(void) {
+    return tout;
+}
+
+static int TerminalWrite(const char *buf, int n) {
+    int r;
+    do {
+	r = write(tout, buf, n);
+    } while (r<0 && errno==EINTR);
+    if (r<0 && (errno==ENOBUFS || errno==EWOULDBLOCK)) r = 0;
+    return r;
+}
+
+static int TerminalRead(char *buf, int n) {
+    int r;
+    do {
+	r = read(tin, buf, n);
+    } while (r<0 && errno==EINTR);
+    return r;
+}
+
+#ifdef	SIGTSTP
+static void susp(int /*sig*/) {
+    if ((rlogin != _POSIX_VDISABLE) && rlogin_susp())
+	return;
+    if (localchars)
+	sendsusp();
+}
+#endif
+
+/*
+ * TerminalNewMode - set up terminal to a specific mode.
+ *	MODE_ECHO: do local terminal echo
+ *	MODE_FLOW: do local flow control
+ *	MODE_TRAPSIG: do local mapping to TELNET IAC sequences
+ *	MODE_EDIT: do local line editing
+ *
+ *	Command mode:
+ *		MODE_ECHO|MODE_EDIT|MODE_FLOW|MODE_TRAPSIG
+ *		local echo
+ *		local editing
+ *		local xon/xoff
+ *		local signal mapping
+ *
+ *	Linemode:
+ *		local/no editing
+ *	Both Linemode and Single Character mode:
+ *		local/remote echo
+ *		local/no xon/xoff
+ *		local/no signal mapping
+ */
+
+void TerminalNewMode(int f)
+{
+    static int prevmode = 0;
+    struct termios tmp_tc;
+
+    int onoff;
+    int old;
+    cc_t esc;
+
+    globalmode = f&~MODE_FORCE;
+    if (prevmode == f)
+	return;
+
+    /*
+     * Write any outstanding data before switching modes
+     * ttyflush() returns 0 only when there is no more data
+     * left to write out, it returns -1 if it couldn't do
+     * anything at all, otherwise it returns 1 + the number
+     * of characters left to write.
+     */
+    old = ttyflush(SYNCHing|flushout);
+    if (old < 0 || old > 1) {
+	tcgetattr(tin, &tmp_tc);
+	do {
+	    /*
+	     * Wait for data to drain, then flush again.
+	     */
+	    tcsetattr(tin, TCSADRAIN, &tmp_tc);
+	    old = ttyflush(SYNCHing|flushout);
+	} while (old < 0 || old > 1);
+    }
+
+    old = prevmode;
+    prevmode = f&~MODE_FORCE;
+    tmp_tc = new_tc;
+
+    if (f&MODE_ECHO) {
+	tmp_tc.c_lflag |= ECHO;
+	tmp_tc.c_oflag |= ONLCR;
+	if (crlf)
+		tmp_tc.c_iflag |= ICRNL;
+    } 
+    else {
+	tmp_tc.c_lflag &= ~ECHO;
+	tmp_tc.c_oflag &= ~ONLCR;
+	if (crlf) tmp_tc.c_iflag &= ~ICRNL;
+    }
+
+    if ((f&MODE_FLOW) == 0) {
+	tmp_tc.c_iflag &= ~(IXANY|IXOFF|IXON);
+    } 
+    else {
+	tmp_tc.c_iflag |= IXANY|IXOFF|IXON;
+    }
+
+    if ((f&MODE_TRAPSIG) == 0) {
+	tmp_tc.c_lflag &= ~ISIG;
+	localchars = 0;
+    } 
+    else {
+	tmp_tc.c_lflag |= ISIG;
+	localchars = 1;
+    }
+
+    if (f&MODE_EDIT) {
+	tmp_tc.c_lflag |= ICANON;
+    } 
+    else {
+	tmp_tc.c_lflag &= ~ICANON;
+	tmp_tc.c_iflag &= ~ICRNL;
+	tmp_tc.c_cc[VMIN] = 1;
+	tmp_tc.c_cc[VTIME] = 0;
+    }
+
+    if ((f&(MODE_EDIT|MODE_TRAPSIG)) == 0) {
+#ifdef VLNEXT
+	tmp_tc.c_cc[VLNEXT] = (cc_t)(_POSIX_VDISABLE);
+#endif
+    }
+
+    if (f&MODE_SOFT_TAB) {
+#ifdef OXTABS
+	tmp_tc.c_oflag |= OXTABS;
+#endif
+#ifdef TABDLY
+	tmp_tc.c_oflag &= ~TABDLY;
+	tmp_tc.c_oflag |= TAB3;
+#endif
+    } 
+    else {
+#ifdef OXTABS
+	tmp_tc.c_oflag &= ~OXTABS;
+#endif
+#ifdef TABDLY
+	tmp_tc.c_oflag &= ~TABDLY;
+#endif
+    }
+
+    if (f&MODE_LIT_ECHO) {
+#ifdef ECHOCTL
+	tmp_tc.c_lflag &= ~ECHOCTL;
+#endif
+    } 
+    else {
+#ifdef ECHOCTL
+	tmp_tc.c_lflag |= ECHOCTL;
+#endif
+    }
+
+    if (f == -1) {
+	onoff = 0;
+    } 
+    else {
+	if (f & MODE_INBIN) {
+		tmp_tc.c_iflag &= ~ISTRIP;
+	}
+	else {
+		// Commented this out 5/97 so it works with 8-bit characters
+		// ...and put it back 12/99 because it violates the RFC and
+		// breaks SunOS.
+	 	tmp_tc.c_iflag |= ISTRIP;
+	}
+	if (f & MODE_OUTBIN) {
+		tmp_tc.c_cflag &= ~(CSIZE|PARENB);
+		tmp_tc.c_cflag |= CS8;
+		tmp_tc.c_oflag &= ~OPOST;
+	} else {
+		tmp_tc.c_cflag &= ~(CSIZE|PARENB);
+		tmp_tc.c_cflag |= old_tc.c_cflag & (CSIZE|PARENB);
+		tmp_tc.c_oflag |= OPOST;
+	}
+	onoff = 1;
+    }
+
+    if (f != -1) {
+#ifdef	SIGTSTP
+	signal(SIGTSTP, susp);
+#endif	/* SIGTSTP */
+
+#ifdef	SIGINFO
+	signal(SIGINFO, ayt);
+#endif	/* SIGINFO */
+
+#if defined(NOKERNINFO)
+	tmp_tc.c_lflag |= NOKERNINFO;
+#endif
+	/*
+	 * We don't want to process ^Y here.  It's just another
+	 * character that we'll pass on to the back end.  It has
+	 * to process it because it will be processed when the
+	 * user attempts to read it, not when we send it.
+	 */
+#ifdef VDSUSP
+	tmp_tc.c_cc[VDSUSP] = (cc_t)(_POSIX_VDISABLE);
+#endif
+	/*
+	 * If the VEOL character is already set, then use VEOL2,
+	 * otherwise use VEOL.
+	 */
+	esc = (rlogin != _POSIX_VDISABLE) ? rlogin : escapechar;
+	if ((tmp_tc.c_cc[VEOL] != esc)
+#ifdef VEOL2
+	    && (tmp_tc.c_cc[VEOL2] != esc)
+#endif
+	    ) {
+		if (tmp_tc.c_cc[VEOL] == (cc_t)(_POSIX_VDISABLE))
+		    tmp_tc.c_cc[VEOL] = esc;
+#ifdef VEOL2
+		else if (tmp_tc.c_cc[VEOL2] == (cc_t)(_POSIX_VDISABLE))
+		    tmp_tc.c_cc[VEOL2] = esc;
+#endif
+	}
+    } 
+    else {
+
+#ifdef	SIGINFO
+	signal(SIGINFO, ayt_status);
+#endif	SIGINFO
+
+#ifdef	SIGTSTP
+	signal(SIGTSTP, SIG_DFL);
+/*	(void) sigsetmask(sigblock(0) & ~(1<<(SIGTSTP-1))); */
+#endif	/* SIGTSTP */
+
+	tmp_tc = old_tc;
+    }
+    if (tcsetattr(tin, TCSADRAIN, &tmp_tc) < 0)
+	tcsetattr(tin, TCSANOW, &tmp_tc);
+
+    ioctl(tin, FIONBIO, (char *)&onoff);
+    ioctl(tout, FIONBIO, (char *)&onoff);
+
+#if defined(TN3270)
+    if (noasynchtty == 0) {
+	ioctl(tin, FIOASYNC, (char *)&onoff);
+    }
+#endif	/* defined(TN3270) */
+
+}
+
+#ifndef	B19200
+#define B19200 B9600
+#endif
+
+#ifndef	B38400
+#define B38400 B19200
+#endif
+
+#ifndef B57600
+#define B57600 B38400
+#endif
+
+#ifndef B115200
+#define B115200 B57600
+#endif
+
+/*
+ * This code assumes that the values B0, B50, B75...
+ * are in ascending order.  They do not have to be
+ * contiguous.
+ */
+struct termspeeds {
+	long speed;
+	long value;
+} termspeeds[] = {
+	{ 0,      B0 },      { 50,     B50 },    { 75,     B75 },
+	{ 110,    B110 },    { 134,    B134 },   { 150,    B150 },
+	{ 200,    B200 },    { 300,    B300 },   { 600,    B600 },
+	{ 1200,   B1200 },   { 1800,   B1800 },  { 2400,   B2400 },
+	{ 4800,   B4800 },   { 9600,   B9600 },  { 19200,  B19200 },
+	{ 38400,  B38400 },  { 57600,  B57600 }, { 115200, B115200 },
+	{ -1,     B115200 }
+};
+
+void TerminalSpeeds(long *ispeed, long *ospeed) {
+    register struct termspeeds *tp;
+    register long in, out;
+
+    out = cfgetospeed(&old_tc);
+    in = cfgetispeed(&old_tc);
+    if (in == 0)
+	in = out;
+
+    tp = termspeeds;
+    while ((tp->speed != -1) && (tp->value < in))
+	tp++;
+    *ispeed = tp->speed;
+
+    tp = termspeeds;
+    while ((tp->speed != -1) && (tp->value < out))
+	tp++;
+    *ospeed = tp->speed;
+}
+
+int TerminalWindowSize(long *rows, long *cols) {
+#ifdef	TIOCGWINSZ
+    struct winsize ws;
+
+    if (ioctl(fileno(stdin), TIOCGWINSZ, (char *)&ws) >= 0) {
+	*rows = ws.ws_row;
+	*cols = ws.ws_col;
+	return 1;
+    }
+#endif	/* TIOCGWINSZ */
+    return 0;
+}
+
+
+/*
+ * EmptyTerminal - called to make sure that the terminal buffer is 
+ * empty. Note that we consider the buffer to run all the way to the 
+ * kernel (thus the select).
+ */
+void EmptyTerminal(void) {
+    fd_set o;
+    FD_ZERO(&o);
+    
+    if (TTYBYTES() == 0) {
+	FD_SET(tout, &o);
+	select(tout+1, NULL, &o, NULL, NULL);	/* wait for TTLOWAT */
+    } 
+    else {
+	while (TTYBYTES()) {
+	    ttyflush(0);
+	    FD_SET(tout, &o);
+	    select(tout+1, NULL, &o, NULL, NULL); /* wait for TTLOWAT */
+	}
+    }
+}
+
+int
+TerminalAutoFlush(void)
+{
+#if	defined(LNOFLSH)
+    int flush;
+
+    ioctl(tin, TIOCLGET, (char *)&flush);
+    return !(flush&LNOFLSH);	/* if LNOFLSH, no autoflush */
+#else	/* LNOFLSH */
+    return 1;
+#endif	/* LNOFLSH */
+}
+
+/*
+ * Flush output to the terminal
+ */
+    void
+TerminalFlushOutput()
+{
+#ifdef	TIOCFLUSH
+    (void) ioctl(fileno(stdout), TIOCFLUSH, (char *) 0);
+#else
+    (void) ioctl(fileno(stdout), TCFLSH, (char *) 0);
+#endif
+}
+
+    void
+TerminalSaveState()
+{
+#ifndef	USE_TERMIO
+    ioctl(0, TIOCGETP, (char *)&ottyb);
+    ioctl(0, TIOCGETC, (char *)&otc);
+    ioctl(0, TIOCGLTC, (char *)&oltc);
+    ioctl(0, TIOCLGET, (char *)&olmode);
+
+    ntc = otc;
+    nltc = oltc;
+    nttyb = ottyb;
+
+#else	/* USE_TERMIO */
+    tcgetattr(0, &old_tc);
+
+    new_tc = old_tc;
+
+#ifndef	VDISCARD
+    termFlushChar = CONTROL('O');
+#endif
+#ifndef	VWERASE
+    termWerasChar = CONTROL('W');
+#endif
+#ifndef	VREPRINT
+    termRprntChar = CONTROL('R');
+#endif
+#ifndef	VLNEXT
+    termLiteralNextChar = CONTROL('V');
+#endif
+#ifndef	VSTART
+    termStartChar = CONTROL('Q');
+#endif
+#ifndef	VSTOP
+    termStopChar = CONTROL('S');
+#endif
+#ifndef	VSTATUS
+    termAytChar = CONTROL('T');
+#endif
+#endif	/* USE_TERMIO */
+}
+
+void TerminalDefaultChars(void) {
+#ifndef	USE_TERMIO
+    ntc = otc;
+    nltc = oltc;
+    nttyb.sg_kill = ottyb.sg_kill;
+    nttyb.sg_erase = ottyb.sg_erase;
+#else	/* USE_TERMIO */
+    memcpy(new_tc.c_cc, old_tc.c_cc, sizeof(old_tc.c_cc));
+#ifndef	VDISCARD
+    termFlushChar = CONTROL('O');
+#endif
+#ifndef	VWERASE
+    termWerasChar = CONTROL('W');
+#endif
+#ifndef	VREPRINT
+    termRprntChar = CONTROL('R');
+#endif
+#ifndef	VLNEXT
+    termLiteralNextChar = CONTROL('V');
+#endif
+#ifndef	VSTART
+    termStartChar = CONTROL('Q');
+#endif
+#ifndef	VSTOP
+    termStopChar = CONTROL('S');
+#endif
+#ifndef	VSTATUS
+    termAytChar = CONTROL('T');
+#endif
+#endif	/* USE_TERMIO */
+}
Index: netkit-telnet-0.17-new/telnet/utilities.cc
===================================================================
--- netkit-telnet-0.17-new/telnet/utilities.cc	(nonexistent)
+++ netkit-telnet-0.17-new/telnet/utilities.cc	(revision 5)
@@ -0,0 +1,675 @@
+/*
+ * Copyright (c) 1988 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.
+ */
+
+/*
+ * From: @(#)utilities.c	5.3 (Berkeley) 3/22/91
+ */
+char util_rcsid[] = 
+  "$Id: utilities.cc,v 1.19 1999/12/12 15:33:40 dholland Exp $";
+
+#define	TELOPTS
+#define	TELCMDS
+#define	SLC_NAMES
+
+#include <arpa/telnet.h>
+#include <sys/types.h>
+#include <sys/time.h>
+#include <sys/socket.h>
+#include <unistd.h>
+#include <ctype.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "ring.h"
+#include "defines.h"
+#include "externs.h"
+#include "proto.h"
+#include "terminal.h"
+
+FILE *NetTrace = 0;		/* Not in bss, since needs to stay */ /* ? */
+char NetTraceFile[256] = "(standard output)";
+
+/*
+ * upcase()
+ *
+ *	Upcase (in place) the argument.
+ */
+void upcase(char *str) {
+    for (int i=0; str[i]; i++) {
+	if (islower(str[i])) str[i] = toupper(str[i]);
+    }
+}
+
+/*
+ * The following are routines used to print out debugging information.
+ */
+
+void SetNetTrace(const char *file) {
+    if (NetTrace && NetTrace != stdout)
+	fclose(NetTrace);
+    if (file && strcmp(file, "-")) {
+	NetTrace = fopen(file, "w");
+	if (NetTrace) {
+	    strcpy((char *)NetTraceFile, file);
+	    return;
+	}
+	fprintf(stderr, "Cannot open %s.\n", file);
+    }
+    NetTrace = stdout;
+    strcpy((char *)NetTraceFile, "(standard output)");
+}
+
+#define BYTES_PER_LINE	32
+#define min(x,y) ((x<y)? x:y)
+
+void Dump(int direction, char *buffer, int length) {
+    char *pThis;
+    int offset;
+
+    offset = 0;
+
+    while (length) {
+	/* print one line */
+	fprintf(NetTrace, "%c 0x%x\t", direction, offset);
+	pThis = buffer;
+	if (0 /*prettydump*/) {
+	    buffer = buffer + min(length, BYTES_PER_LINE/2);
+	    while (pThis < buffer) {
+		fprintf(NetTrace, "%c%.2x",
+			(((*pThis)&0xff) == 0xff) ? '*' : ' ',
+			(*pThis)&0xff);
+		pThis++;
+	    }
+	    length -= BYTES_PER_LINE/2;
+	    offset += BYTES_PER_LINE/2;
+	} 
+	else {
+	    buffer = buffer + min(length, BYTES_PER_LINE);
+	    while (pThis < buffer) {
+		fprintf(NetTrace, "%.2x", (*pThis)&0xff);
+		pThis++;
+	    }
+	    length -= BYTES_PER_LINE;
+	    offset += BYTES_PER_LINE;
+	}
+	if (NetTrace == stdout) {
+	    fprintf(NetTrace, "\r\n");
+	} 
+	else {
+	    fprintf(NetTrace, "\n");
+	}
+	if (length < 0) {
+	    fflush(NetTrace);
+	    return;
+	}
+	/* find next unique line */
+    }
+    fflush(NetTrace);
+}
+
+
+void printoption(const char *direction, int cmd, int option) {
+    if (!showoptions)
+	return;
+    if (cmd == IAC) {
+	if (TELCMD_OK(option))
+	    fprintf(NetTrace, "%s IAC %s", direction, TELCMD(option));
+	else
+	    fprintf(NetTrace, "%s IAC %d", direction, option);
+    } 
+    else {
+	const char *fmt;
+	fmt = (cmd == WILL) ? "WILL" : (cmd == WONT) ? "WONT" :
+	    (cmd == DO) ? "DO" : (cmd == DONT) ? "DONT" : 0;
+	if (fmt) {
+	    fprintf(NetTrace, "%s %s ", direction, fmt);
+	    if (TELOPT_OK(option))
+		fprintf(NetTrace, "%s", TELOPT(option));
+	    else if (option == TELOPT_EXOPL)
+		fprintf(NetTrace, "EXOPL");
+	    else
+		fprintf(NetTrace, "%d", option);
+	} 
+	else
+	    fprintf(NetTrace, "%s %d %d", direction, cmd, option);
+    }
+    if (NetTrace == stdout)
+	fprintf(NetTrace, "\r\n");
+    else
+	fprintf(NetTrace, "\n");
+    return;
+}
+
+void optionstatus(void) {
+    int i;
+    extern char will_wont_resp[], do_dont_resp[];
+
+    for (i = 0; i < 256; i++) {
+	if (do_dont_resp[i]) {
+	    if (TELOPT_OK(i))
+		printf("resp DO_DONT %s: %d\n", TELOPT(i), do_dont_resp[i]);
+	    else if (TELCMD_OK(i))
+		printf("resp DO_DONT %s: %d\n", TELCMD(i), do_dont_resp[i]);
+	    else
+		printf("resp DO_DONT %d: %d\n", i, do_dont_resp[i]);
+	    if (my_want_state_is_do(i)) {
+		if (TELOPT_OK(i))
+		    printf("want DO   %s\n", TELOPT(i));
+		else if (TELCMD_OK(i))
+		    printf("want DO   %s\n", TELCMD(i));
+		else
+		    printf("want DO   %d\n", i);
+	    } 
+	    else {
+		if (TELOPT_OK(i))
+		    printf("want DONT %s\n", TELOPT(i));
+		else if (TELCMD_OK(i))
+		    printf("want DONT %s\n", TELCMD(i));
+		else
+		    printf("want DONT %d\n", i);
+	    }
+	} 
+	else {
+	    if (my_state_is_do(i)) {
+		if (TELOPT_OK(i))
+		    printf("     DO   %s\n", TELOPT(i));
+		else if (TELCMD_OK(i))
+		    printf("     DO   %s\n", TELCMD(i));
+		else
+		    printf("     DO   %d\n", i);
+	    }
+	}
+	if (will_wont_resp[i]) {
+	    if (TELOPT_OK(i))
+		printf("resp WILL_WONT %s: %d\n", TELOPT(i), will_wont_resp[i]);
+	    else if (TELCMD_OK(i))
+		printf("resp WILL_WONT %s: %d\n", TELCMD(i), will_wont_resp[i]);
+	    else
+		printf("resp WILL_WONT %d: %d\n",
+				i, will_wont_resp[i]);
+	    if (my_want_state_is_will(i)) {
+		if (TELOPT_OK(i))
+		    printf("want WILL %s\n", TELOPT(i));
+		else if (TELCMD_OK(i))
+		    printf("want WILL %s\n", TELCMD(i));
+		else
+		    printf("want WILL %d\n", i);
+	    } 
+	    else {
+		if (TELOPT_OK(i))
+		    printf("want WONT %s\n", TELOPT(i));
+		else if (TELCMD_OK(i))
+		    printf("want WONT %s\n", TELCMD(i));
+		else
+		    printf("want WONT %d\n", i);
+	    }
+	} 
+	else {
+	    if (my_state_is_will(i)) {
+		if (TELOPT_OK(i))
+		    printf("     WILL %s\n", TELOPT(i));
+		else if (TELCMD_OK(i))
+		    printf("     WILL %s\n", TELCMD(i));
+		else
+		    printf("     WILL %d\n", i);
+	    }
+	}
+    }
+
+}
+
+/* direction: '<' or '>' */
+/* pointer: where suboption data sits */
+/* length: length of suboption data */
+void printsub(int direction, unsigned char *pointer, int length) {
+    register int i = 0;
+
+    extern int want_status_response;
+
+    if (showoptions || direction == 0 ||
+	(want_status_response && (pointer[0] == TELOPT_STATUS))) {
+	if (direction) {
+	    fprintf(NetTrace, "%s IAC SB ",
+				(direction == '<')? "RCVD":"SENT");
+	    if (length >= 3) {
+		register int j;
+
+		i = pointer[length-2];
+		j = pointer[length-1];
+
+		if (i != IAC || j != SE) {
+		    fprintf(NetTrace, "(terminated by ");
+		    if (TELOPT_OK(i))
+			fprintf(NetTrace, "%s ", TELOPT(i));
+		    else if (TELCMD_OK(i))
+			fprintf(NetTrace, "%s ", TELCMD(i));
+		    else
+			fprintf(NetTrace, "%d ", i);
+		    if (TELOPT_OK(j))
+			fprintf(NetTrace, "%s", TELOPT(j));
+		    else if (TELCMD_OK(j))
+			fprintf(NetTrace, "%s", TELCMD(j));
+		    else
+			fprintf(NetTrace, "%d", j);
+		    fprintf(NetTrace, ", not IAC SE!) ");
+		}
+	    }
+	    length -= 2;
+	}
+	if (length < 1) {
+	    fprintf(NetTrace, "(Empty suboption???)");
+	    return;
+	}
+	switch ((unsigned char)(pointer[0])) {
+	case TELOPT_TTYPE:
+	    fprintf(NetTrace, "TERMINAL-TYPE ");
+	    switch (pointer[1]) {
+	    case TELQUAL_IS:
+		fprintf(NetTrace, "IS \"%.*s\"", length-2, (char *)pointer+2);
+		break;
+	    case TELQUAL_SEND:
+		fprintf(NetTrace, "SEND");
+		break;
+	    default:
+		fprintf(NetTrace,
+				"- unknown qualifier %d (0x%x).",
+				pointer[1], pointer[1]);
+	    }
+	    break;
+	case TELOPT_TSPEED:
+	    fprintf(NetTrace, "TERMINAL-SPEED");
+	    if (length < 2) {
+		fprintf(NetTrace, " (empty suboption???)");
+		break;
+	    }
+	    switch (pointer[1]) {
+	    case TELQUAL_IS:
+		fprintf(NetTrace, " IS ");
+		fprintf(NetTrace, "%.*s", length-2, (char *)pointer+2);
+		break;
+	    default:
+		if (pointer[1] == 1)
+		    fprintf(NetTrace, " SEND");
+		else
+		    fprintf(NetTrace, " %d (unknown)", pointer[1]);
+		for (i = 2; i < length; i++)
+		    fprintf(NetTrace, " ?%d?", pointer[i]);
+		break;
+	    }
+	    break;
+
+	case TELOPT_LFLOW:
+	    fprintf(NetTrace, "TOGGLE-FLOW-CONTROL");
+	    if (length < 2) {
+		fprintf(NetTrace, " (empty suboption???)");
+		break;
+	    }
+	    switch (pointer[1]) {
+	    case 0:
+		fprintf(NetTrace, " OFF"); break;
+	    case 1:
+		fprintf(NetTrace, " ON"); break;
+	    default:
+		fprintf(NetTrace, " %d (unknown)", pointer[1]);
+	    }
+	    for (i = 2; i < length; i++)
+		fprintf(NetTrace, " ?%d?", pointer[i]);
+	    break;
+
+	case TELOPT_NAWS:
+	    fprintf(NetTrace, "NAWS");
+	    if (length < 2) {
+		fprintf(NetTrace, " (empty suboption???)");
+		break;
+	    }
+	    if (length == 2) {
+		fprintf(NetTrace, " ?%d?", pointer[1]);
+		break;
+	    }
+	    fprintf(NetTrace, " %d %d (%d)",
+		pointer[1], pointer[2],
+		(int)((((unsigned int)pointer[1])<<8)|((unsigned int)pointer[2])));
+	    if (length == 4) {
+		fprintf(NetTrace, " ?%d?", pointer[3]);
+		break;
+	    }
+	    fprintf(NetTrace, " %d %d (%d)",
+		pointer[3], pointer[4],
+		(int)((((unsigned int)pointer[3])<<8)|((unsigned int)pointer[4])));
+	    for (i = 5; i < length; i++)
+		fprintf(NetTrace, " ?%d?", pointer[i]);
+	    break;
+
+	case TELOPT_LINEMODE:
+	    fprintf(NetTrace, "LINEMODE ");
+	    if (length < 2) {
+		fprintf(NetTrace, " (empty suboption???)");
+		break;
+	    }
+	    switch ((unsigned char)(pointer[1])) {
+	    case WILL:
+		fprintf(NetTrace, "WILL ");
+		goto common;
+	    case WONT:
+		fprintf(NetTrace, "WONT ");
+		goto common;
+	    case DO:
+		fprintf(NetTrace, "DO ");
+		goto common;
+	    case DONT:
+		fprintf(NetTrace, "DONT ");
+	    common:
+		if (length < 3) {
+		    fprintf(NetTrace, "(no option???)");
+		    break;
+		}
+		switch ((unsigned char)(pointer[2])) {
+		case LM_FORWARDMASK:
+		    fprintf(NetTrace, "Forward Mask");
+		    for (i = 3; i < length; i++)
+			fprintf(NetTrace, " %x", pointer[i]);
+		    break;
+		default:
+		    fprintf(NetTrace, "%d (unknown)", pointer[2]);
+		    for (i = 3; i < length; i++)
+			fprintf(NetTrace, " %d", pointer[i]);
+		    break;
+		}
+		break;
+		
+	    case LM_SLC:
+		fprintf(NetTrace, "SLC");
+		for (i = 2; i < length - 2; i += 3) {
+		    if (SLC_NAME_OK(pointer[i+SLC_FUNC]))
+			fprintf(NetTrace, " %s", SLC_NAME(pointer[i+SLC_FUNC]));
+		    else
+			fprintf(NetTrace, " %d", pointer[i+SLC_FUNC]);
+		    switch (pointer[i+SLC_FLAGS]&SLC_LEVELBITS) {
+		    case SLC_NOSUPPORT:
+			fprintf(NetTrace, " NOSUPPORT"); break;
+		    case SLC_CANTCHANGE:
+			fprintf(NetTrace, " CANTCHANGE"); break;
+		    case SLC_VARIABLE:
+			fprintf(NetTrace, " VARIABLE"); break;
+		    case SLC_DEFAULT:
+			fprintf(NetTrace, " DEFAULT"); break;
+		    }
+		    fprintf(NetTrace, "%s%s%s",
+			pointer[i+SLC_FLAGS]&SLC_ACK ? "|ACK" : "",
+			pointer[i+SLC_FLAGS]&SLC_FLUSHIN ? "|FLUSHIN" : "",
+			pointer[i+SLC_FLAGS]&SLC_FLUSHOUT ? "|FLUSHOUT" : "");
+		    if (pointer[i+SLC_FLAGS]& ~(SLC_ACK|SLC_FLUSHIN|
+						SLC_FLUSHOUT| SLC_LEVELBITS))
+			fprintf(NetTrace, "(0x%x)", pointer[i+SLC_FLAGS]);
+		    fprintf(NetTrace, " %d;", pointer[i+SLC_VALUE]);
+		    if ((pointer[i+SLC_VALUE] == IAC) &&
+			(pointer[i+SLC_VALUE+1] == IAC))
+				i++;
+		}
+		for (; i < length; i++)
+		    fprintf(NetTrace, " ?%d?", pointer[i]);
+		break;
+
+	    case LM_MODE:
+		fprintf(NetTrace, "MODE ");
+		if (length < 3) {
+		    fprintf(NetTrace, "(no mode???)");
+		    break;
+		}
+		{
+		    char tbuf[64];
+		    snprintf(tbuf, sizeof(tbuf), "%s%s%s%s%s",
+			pointer[2]&MODE_EDIT ? "|EDIT" : "",
+			pointer[2]&MODE_TRAPSIG ? "|TRAPSIG" : "",
+			pointer[2]&MODE_SOFT_TAB ? "|SOFT_TAB" : "",
+			pointer[2]&MODE_LIT_ECHO ? "|LIT_ECHO" : "",
+			pointer[2]&MODE_ACK ? "|ACK" : "");
+		    fprintf(NetTrace, "%s", tbuf[1] ? &tbuf[1] : "0");
+		}
+		if (pointer[2]&~(MODE_MASK))
+		    fprintf(NetTrace, " (0x%x)", pointer[2]);
+		for (i = 3; i < length; i++)
+		    fprintf(NetTrace, " ?0x%x?", pointer[i]);
+		break;
+	    default:
+		fprintf(NetTrace, "%d (unknown)", pointer[1]);
+		for (i = 2; i < length; i++)
+		    fprintf(NetTrace, " %d", pointer[i]);
+	    }
+	    break;
+
+	case TELOPT_STATUS: {
+	    const char *cp;
+	    int j, k;
+
+	    fprintf(NetTrace, "STATUS");
+
+	    switch (pointer[1]) {
+	    default:
+		if (pointer[1] == TELQUAL_SEND)
+		    fprintf(NetTrace, " SEND");
+		else
+		    fprintf(NetTrace, " %d (unknown)", pointer[1]);
+		for (i = 2; i < length; i++)
+		    fprintf(NetTrace, " ?%d?", pointer[i]);
+		break;
+	    case TELQUAL_IS:
+		if (--want_status_response < 0)
+		    want_status_response = 0;
+		if (NetTrace == stdout)
+		    fprintf(NetTrace, " IS\r\n");
+		else
+		    fprintf(NetTrace, " IS\n");
+
+		for (i = 2; i < length; i++) {
+		    switch((unsigned char)(pointer[i])) {
+		    case DO:	cp = "DO"; goto common2;
+		    case DONT:	cp = "DONT"; goto common2;
+		    case WILL:	cp = "WILL"; goto common2;
+		    case WONT:	cp = "WONT"; goto common2;
+		    common2:
+			i++;
+			if (TELOPT_OK((int)pointer[i]))
+			    fprintf(NetTrace, " %s %s", cp, TELOPT(pointer[i]));
+			else
+			    fprintf(NetTrace, " %s %d", cp, pointer[i]);
+
+			if (NetTrace == stdout)
+			    fprintf(NetTrace, "\r\n");
+			else
+			    fprintf(NetTrace, "\n");
+			break;
+
+		    case SB:
+			fprintf(NetTrace, " SB ");
+			i++;
+			j = k = i;
+			while (j < length) {
+			    if (pointer[j] == SE) {
+				if (j+1 == length)
+				    break;
+				if (pointer[j+1] == SE)
+				    j++;
+				else
+				    break;
+			    }
+			    pointer[k++] = pointer[j++];
+			}
+			printsub(0, &pointer[i], k - i);
+			if (i < length) {
+			    fprintf(NetTrace, " SE");
+			    i = j;
+			} else
+			    i = j - 1;
+
+			if (NetTrace == stdout)
+			    fprintf(NetTrace, "\r\n");
+			else
+			    fprintf(NetTrace, "\n");
+
+			break;
+				
+		    default:
+			fprintf(NetTrace, " %d", pointer[i]);
+			break;
+		    }
+		}
+		break;
+	    }
+	    break;
+	  }
+
+	case TELOPT_XDISPLOC:
+	    fprintf(NetTrace, "X-DISPLAY-LOCATION ");
+	    switch (pointer[1]) {
+	    case TELQUAL_IS:
+		fprintf(NetTrace, "IS \"%.*s\"", length-2, (char *)pointer+2);
+		break;
+	    case TELQUAL_SEND:
+		fprintf(NetTrace, "SEND");
+		break;
+	    default:
+		fprintf(NetTrace, "- unknown qualifier %d (0x%x).",
+				pointer[1], pointer[1]);
+	    }
+	    break;
+
+	case TELOPT_ENVIRON:
+	    fprintf(NetTrace, "ENVIRON ");
+	    switch (pointer[1]) {
+	    case TELQUAL_IS:
+		fprintf(NetTrace, "IS ");
+		goto env_common;
+	    case TELQUAL_SEND:
+		fprintf(NetTrace, "SEND ");
+		goto env_common;
+	    case TELQUAL_INFO:
+		fprintf(NetTrace, "INFO ");
+	    env_common:
+		{
+		    register int noquote = 2;
+		    for (i = 2; i < length; i++ ) {
+			switch (pointer[i]) {
+			case ENV_VAR:
+			    if (pointer[1] == TELQUAL_SEND)
+				goto def_case;
+			    fprintf(NetTrace, "\" VAR " + noquote);
+			    noquote = 2;
+			    break;
+
+			case ENV_VALUE:
+			    fprintf(NetTrace, "\" VALUE " + noquote);
+			    noquote = 2;
+			    break;
+
+			case ENV_ESC:
+			    fprintf(NetTrace, "\" ESC " + noquote);
+			    noquote = 2;
+			    break;
+
+			default:
+			def_case:
+			    if (isprint(pointer[i]) && pointer[i] != '"') {
+				if (noquote) {
+				    putc('"', NetTrace);
+				    noquote = 0;
+				}
+				putc(pointer[i], NetTrace);
+			    } else {
+				fprintf(NetTrace, "\" %03o " + noquote,
+							pointer[i]);
+				noquote = 2;
+			    }
+			    break;
+			}
+		    }
+		    if (!noquote)
+			putc('"', NetTrace);
+		    break;
+		}
+	    }
+	    break;
+
+	default:
+	    if (TELOPT_OK(pointer[0]))
+		fprintf(NetTrace, "%s (unknown)", TELOPT(pointer[0]));
+	    else
+		fprintf(NetTrace, "%d (unknown)", pointer[i]);
+	    for (i = 1; i < length; i++)
+		fprintf(NetTrace, " %d", pointer[i]);
+	    break;
+	}
+	if (direction) {
+	    if (NetTrace == stdout)
+		fprintf(NetTrace, "\r\n");
+	    else
+		fprintf(NetTrace, "\n");
+	}
+    }
+}
+
+void SetForExit(void) {
+    setconnmode(0);
+#if defined(TN3270)
+    if (In3270) {
+	Finish3270();
+    }
+#else	/* defined(TN3270) */
+    do {
+	telrcv();			/* Process any incoming data */
+	EmptyTerminal();
+    } while (netiring.full_count());	/* While there is any */
+#endif	/* defined(TN3270) */
+    setcommandmode();
+    fflush(stdout);
+    fflush(stderr);
+#if defined(TN3270)
+    if (In3270) {
+	StopScreen(1);
+    }
+#endif	/* defined(TN3270) */
+    setconnmode(0);
+    EmptyTerminal();			/* Flush the path to the tty */
+    setcommandmode();
+}
+
+void Exit(int returnCode) {
+    SetForExit();
+    exit(returnCode);
+}
+
+void ExitString(const char *string, int returnCode) {
+    SetForExit();
+    fwrite(string, 1, strlen(string), stderr);
+    exit(returnCode);
+}
Index: netkit-telnet-0.17-new/telnet
===================================================================
--- netkit-telnet-0.17-new/telnet	(nonexistent)
+++ netkit-telnet-0.17-new/telnet	(revision 5)

Property changes on: netkit-telnet-0.17-new/telnet
___________________________________________________________________
Added: svn:ignore
## -0,0 +1,73 ##
+
+# install dir
+dist
+
+# Target build dirs
+.a1x-newlib
+.a2x-newlib
+.at91sam7s-newlib
+
+.build-machine
+
+.a1x-glibc
+.a2x-glibc
+.h3-glibc
+.h5-glibc
+.i586-glibc
+.i686-glibc
+.imx6-glibc
+.jz47xx-glibc
+.makefile
+.am335x-glibc
+.omap543x-glibc
+.p5600-glibc
+.power8-glibc
+.power8le-glibc
+.power9-glibc
+.power9le-glibc
+.m1000-glibc
+.riscv64-glibc
+.rk328x-glibc
+.rk33xx-glibc
+.rk339x-glibc
+.s8xx-glibc
+.s9xx-glibc
+.x86_64-glibc
+
+# Hidden files (each file)
+.makefile
+.dist
+.rootfs
+
+# src & hw requires
+.src_requires
+.src_requires_depend
+.requires
+.requires_depend
+
+# Tarballs
+*.gz
+*.bz2
+*.lz
+*.xz
+*.tgz
+*.txz
+
+# Signatures
+*.asc
+*.sig
+*.sign
+*.sha1sum
+
+# Patches
+*.patch
+
+# Descriptions
+*.dsc
+*.txt
+
+# Default linux config files
+*.defconfig
+
+# backup copies
+*~
Index: netkit-telnet-0.17-new
===================================================================
--- netkit-telnet-0.17-new	(nonexistent)
+++ netkit-telnet-0.17-new	(revision 5)

Property changes on: netkit-telnet-0.17-new
___________________________________________________________________
Added: svn:ignore
## -0,0 +1,73 ##
+
+# install dir
+dist
+
+# Target build dirs
+.a1x-newlib
+.a2x-newlib
+.at91sam7s-newlib
+
+.build-machine
+
+.a1x-glibc
+.a2x-glibc
+.h3-glibc
+.h5-glibc
+.i586-glibc
+.i686-glibc
+.imx6-glibc
+.jz47xx-glibc
+.makefile
+.am335x-glibc
+.omap543x-glibc
+.p5600-glibc
+.power8-glibc
+.power8le-glibc
+.power9-glibc
+.power9le-glibc
+.m1000-glibc
+.riscv64-glibc
+.rk328x-glibc
+.rk33xx-glibc
+.rk339x-glibc
+.s8xx-glibc
+.s9xx-glibc
+.x86_64-glibc
+
+# Hidden files (each file)
+.makefile
+.dist
+.rootfs
+
+# src & hw requires
+.src_requires
+.src_requires_depend
+.requires
+.requires_depend
+
+# Tarballs
+*.gz
+*.bz2
+*.lz
+*.xz
+*.tgz
+*.txz
+
+# Signatures
+*.asc
+*.sig
+*.sign
+*.sha1sum
+
+# Patches
+*.patch
+
+# Descriptions
+*.dsc
+*.txt
+
+# Default linux config files
+*.defconfig
+
+# backup copies
+*~
Index: .
===================================================================
--- .	(nonexistent)
+++ .	(revision 5)

Property changes on: .
___________________________________________________________________
Added: svn:ignore
## -0,0 +1,73 ##
+
+# install dir
+dist
+
+# Target build dirs
+.a1x-newlib
+.a2x-newlib
+.at91sam7s-newlib
+
+.build-machine
+
+.a1x-glibc
+.a2x-glibc
+.h3-glibc
+.h5-glibc
+.i586-glibc
+.i686-glibc
+.imx6-glibc
+.jz47xx-glibc
+.makefile
+.am335x-glibc
+.omap543x-glibc
+.p5600-glibc
+.power8-glibc
+.power8le-glibc
+.power9-glibc
+.power9le-glibc
+.m1000-glibc
+.riscv64-glibc
+.rk328x-glibc
+.rk33xx-glibc
+.rk339x-glibc
+.s8xx-glibc
+.s9xx-glibc
+.x86_64-glibc
+
+# Hidden files (each file)
+.makefile
+.dist
+.rootfs
+
+# src & hw requires
+.src_requires
+.src_requires_depend
+.requires
+.requires_depend
+
+# Tarballs
+*.gz
+*.bz2
+*.lz
+*.xz
+*.tgz
+*.txz
+
+# Signatures
+*.asc
+*.sig
+*.sign
+*.sha1sum
+
+# Patches
+*.patch
+
+# Descriptions
+*.dsc
+*.txt
+
+# Default linux config files
+*.defconfig
+
+# backup copies
+*~