5c099b14c1
pull in just about all of the differences from the crypto-us telnet suite (which includes Kerberos 4 and connection encryption support). Also bring in the Kerberos 5 support from the Heimdal telnet, and frob a little so that it can work with the non-Heimdal telnet suite. There is still some work left to do, specifically: - Add Heimdal's ticket forwarding support to the Berkeley Kerberos 4 module. - Add connection encryption support to the Heimdal Kerberos 5 module. Hints on this can be taken from the MIT Kerberos 5 module which still exists in crypto-us. However, even with the shortcomings listed above, this is a better situation than using the stock Heimdal telnet suite, which does not understand the IPSec policy stuff, and is also based on much older code which contains bugs that we have already fixed in the NetBSD sources.
571 lines
17 KiB
C
571 lines
17 KiB
C
/* $NetBSD: externs.h,v 1.19 2000/06/22 06:47:48 thorpej Exp $ */
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/*
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* Copyright (c) 1988, 1990, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* from: @(#)externs.h 8.3 (Berkeley) 5/30/95
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*/
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#ifndef BSD
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# define BSD 43
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#endif
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/*
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* ucb stdio.h defines BSD as something wierd
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*/
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#if defined(sun) && defined(__svr4__) && !defined(BSD)
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#define BSD 43
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#endif
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#ifndef USE_TERMIO
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# if BSD > 43 || defined(SYSV_TERMIO)
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# define USE_TERMIO
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# endif
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#endif
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#include <stdio.h>
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#include <stdlib.h>
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#include <setjmp.h>
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#if defined(CRAY) && !defined(NO_BSD_SETJMP)
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#include <bsdsetjmp.h>
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#endif
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#ifndef FILIO_H
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#include <sys/ioctl.h>
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#else
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#include <sys/filio.h>
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#endif
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#include <errno.h>
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#ifdef USE_TERMIO
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# ifndef VINTR
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# ifdef SYSV_TERMIO
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# include <sys/termio.h>
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# else
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# include <sys/termios.h>
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# define termio termios
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# endif
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# else
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# if defined(TCSANOW)
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# define termio termios
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# endif
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# endif
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#endif
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#if defined(NO_CC_T) || !defined(USE_TERMIO)
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# if !defined(USE_TERMIO)
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typedef char cc_t;
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# else
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typedef unsigned char cc_t;
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# endif
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#endif
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#ifndef NO_STRING_H
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#include <string.h>
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#else
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#include <strings.h>
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#endif
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#if defined(IPSEC)
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#include <netinet6/ipsec.h>
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#if defined(IPSEC_POLICY_IPSEC)
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extern char *ipsec_policy_in;
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extern char *ipsec_policy_out;
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#endif
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#endif
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#ifndef _POSIX_VDISABLE
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# ifdef sun
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# include <sys/param.h> /* pick up VDISABLE definition, mayby */
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# endif
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# ifdef VDISABLE
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# define _POSIX_VDISABLE VDISABLE
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# else
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# define _POSIX_VDISABLE ((cc_t)'\377')
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# endif
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#endif
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#define SUBBUFSIZE 256
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#include <sys/cdefs.h>
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#define P __P
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extern int
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autologin, /* Autologin enabled */
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skiprc, /* Don't process the ~/.telnetrc file */
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eight, /* use eight bit mode (binary in and/or out */
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flushout, /* flush output */
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connected, /* Are we connected to the other side? */
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globalmode, /* Mode tty should be in */
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In3270, /* Are we in 3270 mode? */
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telnetport, /* Are we connected to the telnet port? */
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localflow, /* Flow control handled locally */
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restartany, /* If flow control, restart output on any character */
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localchars, /* we recognize interrupt/quit */
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donelclchars, /* the user has set "localchars" */
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showoptions,
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net, /* Network file descriptor */
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tin, /* Terminal input file descriptor */
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tout, /* Terminal output file descriptor */
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crlf, /* Should '\r' be mapped to <CR><LF> (or <CR><NUL>)? */
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autoflush, /* flush output when interrupting? */
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autosynch, /* send interrupt characters with SYNCH? */
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SYNCHing, /* Is the stream in telnet SYNCH mode? */
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donebinarytoggle, /* the user has put us in binary */
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dontlecho, /* do we suppress local echoing right now? */
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crmod,
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netdata, /* Print out network data flow */
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prettydump, /* Print "netdata" output in user readable format */
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#if defined(unix)
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#if defined(TN3270)
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cursesdata, /* Print out curses data flow */
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apitrace, /* Trace API transactions */
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#endif /* defined(TN3270) */
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termdata, /* Print out terminal data flow */
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#endif /* defined(unix) */
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debug, /* Debug level */
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doaddrlookup, /* do a reverse address lookup? */
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clienteof; /* Client received EOF */
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extern cc_t escape; /* Escape to command mode */
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extern cc_t rlogin; /* Rlogin mode escape character */
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#ifdef KLUDGELINEMODE
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extern cc_t echoc; /* Toggle local echoing */
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#endif
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extern char
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*prompt; /* Prompt for command. */
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extern char
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doopt[],
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dont[],
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will[],
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wont[],
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options[], /* All the little options */
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*hostname; /* Who are we connected to? */
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#ifdef ENCRYPTION
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extern void (*encrypt_output) P((unsigned char *, int));
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extern int (*decrypt_input) P((int));
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#endif /* ENCRYPTION */
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/*
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* We keep track of each side of the option negotiation.
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*/
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#define MY_STATE_WILL 0x01
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#define MY_WANT_STATE_WILL 0x02
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#define MY_STATE_DO 0x04
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#define MY_WANT_STATE_DO 0x08
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/*
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* Macros to check the current state of things
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*/
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#define my_state_is_do(opt) (options[opt]&MY_STATE_DO)
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#define my_state_is_will(opt) (options[opt]&MY_STATE_WILL)
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#define my_want_state_is_do(opt) (options[opt]&MY_WANT_STATE_DO)
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#define my_want_state_is_will(opt) (options[opt]&MY_WANT_STATE_WILL)
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#define my_state_is_dont(opt) (!my_state_is_do(opt))
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#define my_state_is_wont(opt) (!my_state_is_will(opt))
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#define my_want_state_is_dont(opt) (!my_want_state_is_do(opt))
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#define my_want_state_is_wont(opt) (!my_want_state_is_will(opt))
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#define set_my_state_do(opt) {options[opt] |= MY_STATE_DO;}
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#define set_my_state_will(opt) {options[opt] |= MY_STATE_WILL;}
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#define set_my_want_state_do(opt) {options[opt] |= MY_WANT_STATE_DO;}
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#define set_my_want_state_will(opt) {options[opt] |= MY_WANT_STATE_WILL;}
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#define set_my_state_dont(opt) {options[opt] &= ~MY_STATE_DO;}
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#define set_my_state_wont(opt) {options[opt] &= ~MY_STATE_WILL;}
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#define set_my_want_state_dont(opt) {options[opt] &= ~MY_WANT_STATE_DO;}
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#define set_my_want_state_wont(opt) {options[opt] &= ~MY_WANT_STATE_WILL;}
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/*
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* Make everything symetrical
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*/
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#define HIS_STATE_WILL MY_STATE_DO
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#define HIS_WANT_STATE_WILL MY_WANT_STATE_DO
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#define HIS_STATE_DO MY_STATE_WILL
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#define HIS_WANT_STATE_DO MY_WANT_STATE_WILL
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#define his_state_is_do my_state_is_will
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#define his_state_is_will my_state_is_do
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#define his_want_state_is_do my_want_state_is_will
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#define his_want_state_is_will my_want_state_is_do
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#define his_state_is_dont my_state_is_wont
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#define his_state_is_wont my_state_is_dont
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#define his_want_state_is_dont my_want_state_is_wont
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#define his_want_state_is_wont my_want_state_is_dont
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#define set_his_state_do set_my_state_will
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#define set_his_state_will set_my_state_do
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#define set_his_want_state_do set_my_want_state_will
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#define set_his_want_state_will set_my_want_state_do
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#define set_his_state_dont set_my_state_wont
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#define set_his_state_wont set_my_state_dont
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#define set_his_want_state_dont set_my_want_state_wont
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#define set_his_want_state_wont set_my_want_state_dont
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extern FILE
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*NetTrace; /* Where debugging output goes */
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extern unsigned char
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NetTraceFile[]; /* Name of file where debugging output goes */
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extern jmp_buf
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peerdied,
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toplevel; /* For error conditions. */
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/* authenc.c */
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int telnet_net_write P((unsigned char *, int));
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void net_encrypt P((void));
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int telnet_spin P((void));
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char *telnet_getenv P((char *));
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char *telnet_gets P((char *, char *, int, int));
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/* commands.c */
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int send_tncmd P((void (*)(int, int), char *, char *));
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void _setlist_init P((void));
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void set_escape_char P((char *));
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int set_mode P((int));
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int clear_mode P((int));
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int modehelp P((int));
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int suspend P((int, char *[]));
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int shell P((int, char *[]));
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int quit P((int, char *[]));
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int logout P((int, char *[]));
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int env_cmd P((int, char *[]));
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struct env_lst *env_find P((unsigned char *));
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void env_init P((void));
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struct env_lst *env_define P((unsigned char *, unsigned char *));
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struct env_lst *env_undefine P((unsigned char *, unsigned char *));
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struct env_lst *env_export P((unsigned char *, unsigned char *));
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struct env_lst *env_unexport P((unsigned char *, unsigned char *));
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struct env_lst *env_send P((unsigned char *, unsigned char *));
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struct env_lst *env_list P((unsigned char *, unsigned char *));
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unsigned char *env_default P((int, int ));
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unsigned char *env_getvalue P((unsigned char *));
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void env_varval P((unsigned char *));
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int auth_cmd P((int, char *[]));
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int ayt_status P((void));
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int encrypt_cmd P((int, char *[]));
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int tn P((int, char *[]));
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void command P((int, char *, int));
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void cmdrc P((const char *, const char *));
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struct addrinfo;
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int sourceroute P((struct addrinfo *, char *, char **, int *, int*));
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/* main.c */
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void tninit P((void));
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void usage P((void));
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/* network.c */
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void init_network P((void));
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int stilloob P((void));
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void setneturg P((void));
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int netflush P((void));
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/* sys_bsd.c */
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void init_sys P((void));
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int TerminalWrite P((char *, int));
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int TerminalRead P((unsigned char *, int));
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int TerminalAutoFlush P((void));
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int TerminalSpecialChars P((int));
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void TerminalFlushOutput P((void));
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void TerminalSaveState P((void));
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cc_t *tcval P((int));
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void TerminalDefaultChars P((void));
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void TerminalRestoreState P((void));
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void TerminalNewMode P((int));
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void TerminalSpeeds P((long *, long *));
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int TerminalWindowSize P((long *, long *));
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int NetClose P((int));
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void NetNonblockingIO P((int, int));
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void NetSigIO P((int, int));
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void NetSetPgrp P((int));
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void sys_telnet_init P((void));
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int process_rings P((int , int , int , int , int , int));
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/* telnet.c */
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void init_telnet P((void));
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void send_do P((int, int ));
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void send_dont P((int, int ));
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void send_will P((int, int ));
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void send_wont P((int, int ));
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void willoption P((int));
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void wontoption P((int));
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char **mklist P((char *, char *));
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int is_unique P((char *, char **, char **));
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int setup_term P((char *, int, int *));
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char *gettermname P((void));
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void lm_will P((unsigned char *, int));
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void lm_wont P((unsigned char *, int));
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void lm_do P((unsigned char *, int));
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void lm_dont P((unsigned char *, int));
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void lm_mode P((unsigned char *, int, int ));
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void slc_init P((void));
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void slcstate P((void));
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void slc_mode_export P((int));
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void slc_mode_import P((int));
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void slc_import P((int));
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void slc_export P((void));
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void slc P((unsigned char *, int));
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void slc_check P((void));
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void slc_start_reply P((void));
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void slc_add_reply P((unsigned int, unsigned int, cc_t));
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void slc_end_reply P((void));
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int slc_update P((void));
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void env_opt P((unsigned char *, int));
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void env_opt_start P((void));
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void env_opt_start_info P((void));
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void env_opt_add P((unsigned char *));
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int opt_welldefined P((char *));
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void env_opt_end P((int));
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int telrcv P((void));
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int rlogin_susp P((void));
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int Scheduler P((int));
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void telnet P((const char *));
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void xmitAO P((void));
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void xmitEL P((void));
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void xmitEC P((void));
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int dosynch P((char *));
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int get_status P((char *));
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void intp P((void));
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void sendbrk P((void));
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void sendabort P((void));
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void sendsusp P((void));
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void sendeof P((void));
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void sendayt P((void));
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void sendnaws P((void));
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void tel_enter_binary P((int));
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void tel_leave_binary P((int));
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/* terminal.c */
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void init_terminal P((void));
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int ttyflush P((int));
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int getconnmode P((void));
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void setconnmode P((int));
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void setcommandmode P((void));
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/* utilities.c */
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void upcase P((char *));
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int SetSockOpt P((int, int , int , int ));
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void SetNetTrace P((char *));
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void Dump P((int, unsigned char *, int));
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void printoption P((char *, int, int ));
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void optionstatus P((void));
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void printsub P((int, unsigned char *, int));
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void EmptyTerminal P((void));
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void SetForExit P((void));
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void Exit P((int)) __attribute__((__noreturn__));
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void ExitString P((char *, int)) __attribute__((__noreturn__));
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#ifndef USE_TERMIO
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extern struct tchars ntc;
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extern struct ltchars nltc;
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extern struct sgttyb nttyb;
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# define termEofChar ntc.t_eofc
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# define termEraseChar nttyb.sg_erase
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# define termFlushChar nltc.t_flushc
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# define termIntChar ntc.t_intrc
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# define termKillChar nttyb.sg_kill
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# define termLiteralNextChar nltc.t_lnextc
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# define termQuitChar ntc.t_quitc
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# define termSuspChar nltc.t_suspc
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# define termRprntChar nltc.t_rprntc
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# define termWerasChar nltc.t_werasc
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# define termStartChar ntc.t_startc
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# define termStopChar ntc.t_stopc
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# define termForw1Char ntc.t_brkc
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extern cc_t termForw2Char;
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extern cc_t termAytChar;
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# define termEofCharp (cc_t *)&ntc.t_eofc
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# define termEraseCharp (cc_t *)&nttyb.sg_erase
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# define termFlushCharp (cc_t *)&nltc.t_flushc
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# define termIntCharp (cc_t *)&ntc.t_intrc
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# define termKillCharp (cc_t *)&nttyb.sg_kill
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# define termLiteralNextCharp (cc_t *)&nltc.t_lnextc
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# define termQuitCharp (cc_t *)&ntc.t_quitc
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# define termSuspCharp (cc_t *)&nltc.t_suspc
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# define termRprntCharp (cc_t *)&nltc.t_rprntc
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# define termWerasCharp (cc_t *)&nltc.t_werasc
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# define termStartCharp (cc_t *)&ntc.t_startc
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# define termStopCharp (cc_t *)&ntc.t_stopc
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# define termForw1Charp (cc_t *)&ntc.t_brkc
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# define termForw2Charp (cc_t *)&termForw2Char
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# define termAytCharp (cc_t *)&termAytChar
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# else
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extern struct termio new_tc;
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# define termEofChar new_tc.c_cc[VEOF]
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# define termEraseChar new_tc.c_cc[VERASE]
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# define termIntChar new_tc.c_cc[VINTR]
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# define termKillChar new_tc.c_cc[VKILL]
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# define termQuitChar new_tc.c_cc[VQUIT]
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# ifndef VSUSP
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extern cc_t termSuspChar;
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# else
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# define termSuspChar new_tc.c_cc[VSUSP]
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# endif
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# if defined(VFLUSHO) && !defined(VDISCARD)
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# define VDISCARD VFLUSHO
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# endif
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# ifndef VDISCARD
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extern cc_t termFlushChar;
|
|
# else
|
|
# define termFlushChar new_tc.c_cc[VDISCARD]
|
|
# endif
|
|
# ifndef VWERASE
|
|
extern cc_t termWerasChar;
|
|
# else
|
|
# define termWerasChar new_tc.c_cc[VWERASE]
|
|
# endif
|
|
# ifndef VREPRINT
|
|
extern cc_t termRprntChar;
|
|
# else
|
|
# define termRprntChar new_tc.c_cc[VREPRINT]
|
|
# endif
|
|
# ifndef VLNEXT
|
|
extern cc_t termLiteralNextChar;
|
|
# else
|
|
# define termLiteralNextChar new_tc.c_cc[VLNEXT]
|
|
# endif
|
|
# ifndef VSTART
|
|
extern cc_t termStartChar;
|
|
# else
|
|
# define termStartChar new_tc.c_cc[VSTART]
|
|
# endif
|
|
# ifndef VSTOP
|
|
extern cc_t termStopChar;
|
|
# else
|
|
# define termStopChar new_tc.c_cc[VSTOP]
|
|
# endif
|
|
# ifndef VEOL
|
|
extern cc_t termForw1Char;
|
|
# else
|
|
# define termForw1Char new_tc.c_cc[VEOL]
|
|
# endif
|
|
# ifndef VEOL2
|
|
extern cc_t termForw2Char;
|
|
# else
|
|
# define termForw2Char new_tc.c_cc[VEOL]
|
|
# endif
|
|
# ifndef VSTATUS
|
|
extern cc_t termAytChar;
|
|
#else
|
|
# define termAytChar new_tc.c_cc[VSTATUS]
|
|
#endif
|
|
|
|
# if !defined(CRAY) || defined(__STDC__)
|
|
# define termEofCharp &termEofChar
|
|
# define termEraseCharp &termEraseChar
|
|
# define termIntCharp &termIntChar
|
|
# define termKillCharp &termKillChar
|
|
# define termQuitCharp &termQuitChar
|
|
# define termSuspCharp &termSuspChar
|
|
# define termFlushCharp &termFlushChar
|
|
# define termWerasCharp &termWerasChar
|
|
# define termRprntCharp &termRprntChar
|
|
# define termLiteralNextCharp &termLiteralNextChar
|
|
# define termStartCharp &termStartChar
|
|
# define termStopCharp &termStopChar
|
|
# define termForw1Charp &termForw1Char
|
|
# define termForw2Charp &termForw2Char
|
|
# define termAytCharp &termAytChar
|
|
# else
|
|
/* Work around a compiler bug */
|
|
# define termEofCharp 0
|
|
# define termEraseCharp 0
|
|
# define termIntCharp 0
|
|
# define termKillCharp 0
|
|
# define termQuitCharp 0
|
|
# define termSuspCharp 0
|
|
# define termFlushCharp 0
|
|
# define termWerasCharp 0
|
|
# define termRprntCharp 0
|
|
# define termLiteralNextCharp 0
|
|
# define termStartCharp 0
|
|
# define termStopCharp 0
|
|
# define termForw1Charp 0
|
|
# define termForw2Charp 0
|
|
# define termAytCharp 0
|
|
# endif
|
|
#endif
|
|
|
|
|
|
/* Tn3270 section */
|
|
#if defined(TN3270)
|
|
|
|
extern int
|
|
HaveInput, /* Whether an asynchronous I/O indication came in */
|
|
noasynchtty, /* Don't do signals on I/O (SIGURG, SIGIO) */
|
|
noasynchnet, /* Don't do signals on I/O (SIGURG, SIGIO) */
|
|
sigiocount, /* Count of SIGIO receptions */
|
|
shell_active; /* Subshell is active */
|
|
|
|
extern char
|
|
*Ibackp, /* Oldest byte of 3270 data */
|
|
Ibuf[], /* 3270 buffer */
|
|
*Ifrontp, /* Where next 3270 byte goes */
|
|
tline[],
|
|
*transcom; /* Transparent command */
|
|
|
|
/* tn3270.c */
|
|
void init_3270 P((void));
|
|
int DataToNetwork P((char *, int, int));
|
|
void inputAvailable P((int));
|
|
void outputPurge P((void));
|
|
int DataToTerminal P((char *, int));
|
|
int Push3270 P((void));
|
|
void Finish3270 P((void));
|
|
void StringToTerminal P((char *));
|
|
void _putchar P((int));
|
|
void SetIn3270 P((void));
|
|
int tn3270_ttype P((void));
|
|
int settranscom P((int, char *[]));
|
|
int shell_continue P((void));
|
|
int DataFromTerminal __P((char *, int));
|
|
int DataFromNetwork __P((char *, int, int));
|
|
void ConnectScreen __P((void));
|
|
int DoTerminalOutput __P((void));
|
|
|
|
#endif /* defined(TN3270) */
|