OpenBSD 2.5

openbsd/libexec/telnetd/Makefile

@@ -0,0 +1,24 @@
+#	$OpenBSD: Makefile,v 1.7 1998/07/27 18:28:18 millert Exp $
+#	from: @(#)Makefile	8.2 (Berkeley) 12/15/93
+#	$NetBSD: Makefile,v 1.6 1996/02/24 01:22:12 jtk Exp $
+
+PROG=	telnetd
+
+CFLAGS+=-DLINEMODE -DKLUDGELINEMODE -DUSE_TERMIO -DDIAGNOSTICS
+CFLAGS+=-DOLD_ENVIRON -DENV_HACK -I${.CURDIR} -Wall -Wno-unused
+CFLAGS+=-D_USE_OLD_CURSES_
+SRCS=	authenc.c global.c slc.c state.c sys_term.c telnetd.c \
+	termstat.c utility.c
+DPADD=	${LIBUTIL} ${LIBOLDCURSES} ${LIBTELNET}
+LDADD+=	-lutil -locurses -ltelnet
+MAN=	telnetd.8
+
+.include <bsd.own.mk> # for KERBEROS
+
+.if (${KERBEROS} == "yes")
+CFLAGS+=-DENCRYPTION -DAUTHENTICATION -DKRB4 -I${.CURDIR}/../../lib
+LDADD+= -lkrb -ldes
+DPADD+= ${LIBDES} ${LIBKRB}
+.endif
+
+.include <bsd.prog.mk>

openbsd/libexec/telnetd/TRANS.TBL

@@ -0,0 +1,16 @@
+F AUTHENC.C                         	authenc.c
+D CVS                               	CVS
+F DEFS.H                            	defs.h
+F EXT.H                             	ext.h
+F GLOBAL.C                          	global.c
+F MAKEFILE                          	Makefile
+L OBJ                               	obj	/usr/obj/libexec/telnetd
+F PATHNAME.H                        	pathnames.h
+F SLC.C                             	slc.c
+F STATE.C                           	state.c
+F SYS_TERM.C                        	sys_term.c
+F TELNETD.8                         	telnetd.8
+F TELNETD.C                         	telnetd.c
+F TELNETD.H                         	telnetd.h
+F TERMSTAT.C                        	termstat.c
+F UTILITY.C                         	utility.c

openbsd/libexec/telnetd/authenc.c

@@ -0,0 +1,99 @@
+/*	$OpenBSD: authenc.c,v 1.3 1998/03/12 04:53:07 art Exp $	*/
+/*	$NetBSD: authenc.c,v 1.3 1996/02/28 20:38:08 thorpej Exp $	*/
+
+/*-
+ * Copyright (c) 1991, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#ifndef lint
+#if 0
+static char sccsid[] = "@(#)authenc.c	8.2 (Berkeley) 5/30/95";
+static char rcsid[] = "$NetBSD: authenc.c,v 1.3 1996/02/28 20:38:08 thorpej Exp $";
+#else
+static char rcsid[] = "$OpenBSD: authenc.c,v 1.3 1998/03/12 04:53:07 art Exp $";
+#endif
+#endif /* not lint */
+
+#if	defined(AUTHENTICATION)
+#include "telnetd.h"
+#include <libtelnet/misc.h>
+
+	int
+net_write(str, len)
+	unsigned char *str;
+	int len;
+{
+	if (nfrontp + len < netobuf + BUFSIZ) {
+		memmove((void *)nfrontp, (void *)str, len);
+		nfrontp += len;
+		return(len);
+	}
+	return(0);
+}
+
+	void
+net_encrypt()
+{
+#ifdef ENCRYPTION
+	char *s = (nclearto > nbackp) ? nclearto : nbackp;
+	if (s < nfrontp && encrypt_output) {
+		(*encrypt_output)((unsigned char *)s, nfrontp - s);
+	}
+	nclearto = nfrontp;
+#endif
+}
+
+	int
+telnet_spin()
+{
+	ttloop();
+	return(0);
+}
+
+	char *
+telnet_getenv(val)
+	char *val;
+{
+	extern char *getenv(const char *);
+	return(getenv(val));
+}
+
+	char *
+telnet_gets(prompt, result, length, echo)
+	char *prompt;
+	char *result;
+	int length;
+	int echo;
+{
+	return NULL;
+}
+#endif	/* defined(AUTHENTICATION) */

openbsd/libexec/telnetd/defs.h

@@ -0,0 +1,240 @@
+/*	$OpenBSD: defs.h,v 1.4 1998/05/08 19:47:05 deraadt Exp $	*/
+/*	$NetBSD: defs.h,v 1.6 1996/02/28 20:38:10 thorpej Exp $	*/
+
+/*
+ * Copyright (c) 1989, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *	from: @(#)defs.h	8.1 (Berkeley) 6/4/93
+ */
+
+/*
+ * Telnet server defines
+ */
+#include <sys/types.h>
+#include <sys/param.h>
+
+#ifndef	BSD
+# define	BSD 43
+#endif
+
+#if defined(PRINTOPTIONS) && defined(DIAGNOSTICS)
+#define TELOPTS
+#define TELCMDS
+#define	SLC_NAMES
+#endif
+
+#include <sys/socket.h>
+#include <sys/wait.h>
+#include <fcntl.h>
+#include <sys/file.h>
+#include <sys/stat.h>
+#include <sys/time.h>
+#include <sys/ioctl.h>
+
+#include <netinet/in.h>
+
+#include <arpa/telnet.h>
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <signal.h>
+#include <errno.h>
+#include <netdb.h>
+#include <syslog.h>
+#ifndef	LOG_DAEMON
+#define	LOG_DAEMON	0
+#endif
+#ifndef	LOG_ODELAY
+#define	LOG_ODELAY	0
+#endif
+#include <ctype.h>
+#include <string.h>
+
+#ifndef	USE_TERMIO
+#include <sgtty.h>
+#else
+# ifdef	SYSV_TERMIO
+# include <termio.h>
+# else
+# include <termios.h>
+# endif
+#endif
+#if !defined(USE_TERMIO) || defined(NO_CC_T)
+typedef unsigned char cc_t;
+#endif
+#include <unistd.h>
+
+#if	!defined(TIOCSCTTY) && defined(TCSETCTTY)
+# define	TIOCSCTTY TCSETCTTY
+#endif
+
+#ifndef TIOCPKT_FLUSHWRITE
+#define TIOCPKT_FLUSHWRITE      0x02
+#endif
+
+#ifndef TIOCPKT_NOSTOP
+#define TIOCPKT_NOSTOP  0x10
+#endif
+
+#ifndef TIOCPKT_DOSTOP
+#define TIOCPKT_DOSTOP  0x20
+#endif
+
+/*
+ * I/O data buffers defines
+ */
+#define	NETSLOP	4096
+#ifdef CRAY
+#undef BUFSIZ
+#define BUFSIZ  2048
+#endif
+
+#define	NIACCUM(c)	{   *netip++ = c; \
+			    ncc++; \
+			}
+
+/* clock manipulations */
+#define	settimer(x)	(clocks.x = ++clocks.system)
+#define	sequenceIs(x,y)	(clocks.x < clocks.y)
+
+/*
+ * Linemode support states, in decreasing order of importance
+ */
+#define REAL_LINEMODE	0x04
+#define KLUDGE_OK	0x03
+#define	NO_AUTOKLUDGE	0x02
+#define KLUDGE_LINEMODE	0x01
+#define NO_LINEMODE	0x00
+
+/*
+ * Structures of information for each special character function.
+ */
+typedef struct {
+	unsigned char	flag;		/* the flags for this function */
+	cc_t		val;		/* the value of the special character */
+} slcent, *Slcent;
+
+typedef struct {
+	slcent		defset;		/* the default settings */
+	slcent		current;	/* the current settings */
+	cc_t		*sptr;		/* a pointer to the char in */
+					/* system data structures */
+} slcfun, *Slcfun;
+
+#ifdef DIAGNOSTICS
+/*
+ * Diagnostics capabilities
+ */
+#define	TD_REPORT	0x01	/* Report operations to client */
+#define TD_EXERCISE	0x02	/* Exercise client's implementation */
+#define TD_NETDATA	0x04	/* Display received data stream */
+#define TD_PTYDATA	0x08	/* Display data passed to pty */
+#define	TD_OPTIONS	0x10	/* Report just telnet options */
+#endif /* DIAGNOSTICS */
+
+/*
+ * We keep track of each side of the option negotiation.
+ */
+
+#define	MY_STATE_WILL		0x01
+#define	MY_WANT_STATE_WILL	0x02
+#define	MY_STATE_DO		0x04
+#define	MY_WANT_STATE_DO	0x08
+
+/*
+ * Macros to check the current state of things
+ */
+
+#define	my_state_is_do(opt)		(options[opt]&MY_STATE_DO)
+#define	my_state_is_will(opt)		(options[opt]&MY_STATE_WILL)
+#define my_want_state_is_do(opt)	(options[opt]&MY_WANT_STATE_DO)
+#define my_want_state_is_will(opt)	(options[opt]&MY_WANT_STATE_WILL)
+
+#define	my_state_is_dont(opt)		(!my_state_is_do(opt))
+#define	my_state_is_wont(opt)		(!my_state_is_will(opt))
+#define my_want_state_is_dont(opt)	(!my_want_state_is_do(opt))
+#define my_want_state_is_wont(opt)	(!my_want_state_is_will(opt))
+
+#define	set_my_state_do(opt)		(options[opt] |= MY_STATE_DO)
+#define	set_my_state_will(opt)		(options[opt] |= MY_STATE_WILL)
+#define	set_my_want_state_do(opt)	(options[opt] |= MY_WANT_STATE_DO)
+#define	set_my_want_state_will(opt)	(options[opt] |= MY_WANT_STATE_WILL)
+
+#define	set_my_state_dont(opt)		(options[opt] &= ~MY_STATE_DO)
+#define	set_my_state_wont(opt)		(options[opt] &= ~MY_STATE_WILL)
+#define	set_my_want_state_dont(opt)	(options[opt] &= ~MY_WANT_STATE_DO)
+#define	set_my_want_state_wont(opt)	(options[opt] &= ~MY_WANT_STATE_WILL)
+
+/*
+ * Tricky code here.  What we want to know is if the MY_STATE_WILL
+ * and MY_WANT_STATE_WILL bits have the same value.  Since the two
+ * bits are adjacent, a little arithmatic will show that by adding
+ * in the lower bit, the upper bit will be set if the two bits were
+ * different, and clear if they were the same.
+ */
+#define my_will_wont_is_changing(opt) \
+			((options[opt]+MY_STATE_WILL) & MY_WANT_STATE_WILL)
+
+#define my_do_dont_is_changing(opt) \
+			((options[opt]+MY_STATE_DO) & MY_WANT_STATE_DO)
+
+/*
+ * Make everything symetrical
+ */
+
+#define	HIS_STATE_WILL			MY_STATE_DO
+#define	HIS_WANT_STATE_WILL		MY_WANT_STATE_DO
+#define HIS_STATE_DO			MY_STATE_WILL
+#define HIS_WANT_STATE_DO		MY_WANT_STATE_WILL
+
+#define	his_state_is_do			my_state_is_will
+#define	his_state_is_will		my_state_is_do
+#define his_want_state_is_do		my_want_state_is_will
+#define his_want_state_is_will		my_want_state_is_do
+
+#define	his_state_is_dont		my_state_is_wont
+#define	his_state_is_wont		my_state_is_dont
+#define his_want_state_is_dont		my_want_state_is_wont
+#define his_want_state_is_wont		my_want_state_is_dont
+
+#define	set_his_state_do		set_my_state_will
+#define	set_his_state_will		set_my_state_do
+#define	set_his_want_state_do		set_my_want_state_will
+#define	set_his_want_state_will		set_my_want_state_do
+
+#define	set_his_state_dont		set_my_state_wont
+#define	set_his_state_wont		set_my_state_dont
+#define	set_his_want_state_dont		set_my_want_state_wont
+#define	set_his_want_state_wont		set_my_want_state_dont
+
+#define his_will_wont_is_changing	my_do_dont_is_changing
+#define his_do_dont_is_changing		my_will_wont_is_changing