[unix-history] / usr / src / libexec / telnetd / defs.h

/*
 * Copyright (c) 1989 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.
 *
 *	@(#)defs.h	5.10 (Berkeley) 3/1/91
 */

/*
 * Telnet server defines
 */
#include <sys/types.h>
#include <sys/param.h>

#ifndef	BSD
# define	BSD 43
#endif

#if	defined(CRAY) && !defined(LINEMODE)
# define SYSV_TERMIO
# define LINEMODE
# define KLUDGELINEMODE
# define DIAGNOSTICS
# if defined(UNICOS50) && !defined(UNICOS5)
#  define UNICOS5
# endif
# if !defined(UNICOS5)
#  define BFTPDAEMON
#  define HAS_IP_TOS
# endif
#endif /* CRAY */
#if defined(UNICOS5) && !defined(NO_SETSID)
# define NO_SETSID
#endif

#if defined(PRINTOPTIONS) && defined(DIAGNOSTICS)
#define TELOPTS
#define TELCMDS
#define	SLC_NAMES
#endif

#if	defined(SYSV_TERMIO) && !defined(USE_TERMIO)
# define	USE_TERMIO
#endif

#include <sys/socket.h>
#ifndef	CRAY
#include <sys/wait.h>
#endif	/* CRAY */
#include <fcntl.h>
#include <sys/file.h>
#include <sys/stat.h>
#include <sys/time.h>
#ifndef	FILIO_H
#include <sys/ioctl.h>
#else
#include <sys/filio.h>
#endif

#include <netinet/in.h>

#include <arpa/telnet.h>

#include <stdio.h>
#ifdef	__STDC__
#include <stdlib.h>
#endif
#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>
#ifndef NO_STRING_H
#include <string.h>
#else
#include <strings.h>
#endif

#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

#ifdef	__STDC__
#include <unistd.h>
#endif

#ifndef _POSIX_VDISABLE
# ifdef VDISABLE
#  define _POSIX_VDISABLE VDISABLE
# else
#  define _POSIX_VDISABLE ((unsigned char)'\377')
# endif
#endif


#ifdef	CRAY
# ifdef	CRAY1
# include <sys/pty.h>
#  ifndef FD_ZERO
# include <sys/select.h>
#  endif /* FD_ZERO */
# endif	/* CRAY1 */

#include <memory.h>
#endif	/* CRAY */

#if	!defined(TIOCSCTTY) && defined(TCSETCTTY)
# define	TIOCSCTTY TCSETCTTY
#endif

#ifndef	FD_SET
#ifndef	HAVE_fd_set
typedef struct fd_set { int fds_bits[1]; } fd_set;
#endif

#define	FD_SET(n, p)	((p)->fds_bits[0] |= (1<<(n)))
#define	FD_CLR(n, p)	((p)->fds_bits[0] &= ~(1<<(n)))
#define	FD_ISSET(n, p)	((p)->fds_bits[0] & (1<<(n)))
#define FD_ZERO(p)	((p)->fds_bits[0] = 0)
#endif	/* FD_SET */

/*
 * I/O data buffers defines
 */
#define	NETSLOP	64
#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	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
Commit	Line	Data
ea139302 PB	1	/*
	2	* Copyright (c) 1989 The Regents of the University of California.
	3	* All rights reserved.
	4	*
af359dea C	5	* Redistribution and use in source and binary forms, with or without
	6	* modification, are permitted provided that the following conditions
	7	* are met:
	8	* 1. Redistributions of source code must retain the above copyright
	9	* notice, this list of conditions and the following disclaimer.
	10	* 2. Redistributions in binary form must reproduce the above copyright
	11	* notice, this list of conditions and the following disclaimer in the
	12	* documentation and/or other materials provided with the distribution.
	13	* 3. All advertising materials mentioning features or use of this software
	14	* must display the following acknowledgement:
	15	* This product includes software developed by the University of
	16	* California, Berkeley and its contributors.
	17	* 4. Neither the name of the University nor the names of its contributors
	18	* may be used to endorse or promote products derived from this software
	19	* without specific prior written permission.
ea139302	20	*
af359dea C	21	* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
	22	* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	23	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	24	* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
	25	* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
	26	* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
	27	* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	28	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
	29	* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
	30	* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
	31	* SUCH DAMAGE.
	32	*
	33	* @(#)defs.h 5.10 (Berkeley) 3/1/91
ea139302 PB	34	*/
	35
	36	/*
	37	* Telnet server defines
	38	*/
	39	#include <sys/types.h>
	40	#include <sys/param.h>
	41
	42	#ifndef BSD
	43	# define BSD 43
	44	#endif
	45
4a8a7128 PB	46	#if defined(CRAY) && !defined(LINEMODE)
	47	# define SYSV_TERMIO
	48	# define LINEMODE
	49	# define KLUDGELINEMODE
4a8a7128	50	# define DIAGNOSTICS
1af3d848 DB	51	# if defined(UNICOS50) && !defined(UNICOS5)
	52	# define UNICOS5
	53	# endif
4a8a7128 PB	54	# if !defined(UNICOS5)
	55	# define BFTPDAEMON
	56	# define HAS_IP_TOS
	57	# endif
	58	#endif /* CRAY */
	59	#if defined(UNICOS5) && !defined(NO_SETSID)
	60	# define NO_SETSID
ea139302 PB	61	#endif
ea139302 PB	62
4a8a7128 PB	63	#if defined(PRINTOPTIONS) && defined(DIAGNOSTICS)
	64	#define TELOPTS
	65	#define TELCMDS
1af3d848	66	#define SLC_NAMES
4a8a7128	67	#endif
ea139302	68
4a8a7128	69	#if defined(SYSV_TERMIO) && !defined(USE_TERMIO)
ea139302 PB	70	# define USE_TERMIO
	71	#endif
	72
	73	#include <sys/socket.h>
	74	#ifndef CRAY
	75	#include <sys/wait.h>
	76	#endif /* CRAY */
1af3d848	77	#include <fcntl.h>
ea139302 PB	78	#include <sys/file.h>
	79	#include <sys/stat.h>
	80	#include <sys/time.h>
4a8a7128	81	#ifndef FILIO_H
053fd49d	82	#include <sys/ioctl.h>
4a8a7128 PB	83	#else
	84	#include <sys/filio.h>
	85	#endif
ea139302 PB	86
	87	#include <netinet/in.h>
	88
	89	#include <arpa/telnet.h>
	90
	91	#include <stdio.h>
1af3d848 DB	92	#ifdef __STDC__
	93	#include <stdlib.h>
	94	#endif
ea139302 PB	95	#include <signal.h>
	96	#include <errno.h>
	97	#include <netdb.h>
	98	#include <syslog.h>
ed8f31c1 PB	99	#ifndef LOG_DAEMON
	100	#define LOG_DAEMON 0
	101	#endif
	102	#ifndef LOG_ODELAY
	103	#define LOG_ODELAY 0
	104	#endif
ea139302	105	#include <ctype.h>
4a8a7128	106	#ifndef NO_STRING_H
6ebcb998	107	#include <string.h>
4a8a7128 PB	108	#else
	109	#include <strings.h>
	110	#endif
ea139302 PB	111
	112	#ifndef USE_TERMIO
	113	#include <sgtty.h>
	114	#else
	115	# ifdef SYSV_TERMIO
	116	# include <termio.h>
	117	# else
	118	# include <termios.h>
	119	# endif
	120	#endif
4a8a7128 PB	121	#if !defined(USE_TERMIO) \|\| defined(NO_CC_T)
	122	typedef unsigned char cc_t;
	123	#endif
ea139302	124
1af3d848 DB	125	#ifdef __STDC__
	126	#include <unistd.h>
	127	#endif
	128
2c9c7136 PB	129	#ifndef _POSIX_VDISABLE
	130	# ifdef VDISABLE
	131	# define _POSIX_VDISABLE VDISABLE
	132	# else
	133	# define _POSIX_VDISABLE ((unsigned char)'\377')
	134	# endif
	135	#endif
	136
	137
ea139302	138	#ifdef CRAY
ea139302 PB	139	# ifdef CRAY1
	140	# include <sys/pty.h>
	141	# ifndef FD_ZERO
	142	# include <sys/select.h>
	143	# endif /* FD_ZERO */
	144	# endif /* CRAY1 */
	145
	146	#include <memory.h>
	147	#endif /* CRAY */
	148
4a8a7128 PB	149	#if !defined(TIOCSCTTY) && defined(TCSETCTTY)
4a8a7128 PB	150	# define TIOCSCTTY TCSETCTTY
ea139302 PB	151	#endif
	152
	153	#ifndef FD_SET
ed8f31c1	154	#ifndef HAVE_fd_set
ea139302	155	typedef struct fd_set { int fds_bits[1]; } fd_set;
ed8f31c1	156	#endif
ea139302 PB	157
	158	#define FD_SET(n, p) ((p)->fds_bits[0] \|= (1<<(n)))
	159	#define FD_CLR(n, p) ((p)->fds_bits[0] &= ~(1<<(n)))
	160	#define FD_ISSET(n, p) ((p)->fds_bits[0] & (1<<(n)))
	161	#define FD_ZERO(p) ((p)->fds_bits[0] = 0)
	162	#endif /* FD_SET */
	163
ea139302 PB	164	/*
	165	* I/O data buffers defines
	166	*/
	167	#define NETSLOP 64
	168	#ifdef CRAY
	169	#undef BUFSIZ
	170	#define BUFSIZ 2048
	171	#endif
	172
	173	#define NIACCUM(c) { *netip++ = c; \
	174	ncc++; \
	175	}
	176
	177	/* clock manipulations */
	178	#define settimer(x) (clocks.x = ++clocks.system)
	179	#define sequenceIs(x,y) (clocks.x < clocks.y)
	180
	181	/*
	182	* Linemode support states, in decreasing order of importance
	183	*/
	184	#define REAL_LINEMODE 0x02
	185	#define KLUDGE_LINEMODE 0x01
	186	#define NO_LINEMODE 0x00
	187
	188	/*
	189	* Structures of information for each special character function.
	190	*/
	191	typedef struct {
	192	unsigned char flag; /* the flags for this function */
ed8f31c1	193	cc_t val; /* the value of the special character */
ea139302 PB	194	} slcent, *Slcent;
	195
	196	typedef struct {
	197	slcent defset; /* the default settings */
	198	slcent current; /* the current settings */
ed8f31c1	199	cc_t sptr; / a pointer to the char in */
ea139302 PB	200	/* system data structures */
ea139302 PB	201	} slcfun, *Slcfun;
4a8a7128 PB	202
	203	#ifdef DIAGNOSTICS
	204	/*
	205	* Diagnostics capabilities
	206	*/
	207	#define TD_REPORT 0x01 /* Report operations to client */
	208	#define TD_EXERCISE 0x02 /* Exercise client's implementation */
	209	#define TD_NETDATA 0x04 /* Display received data stream */
	210	#define TD_PTYDATA 0x08 /* Display data passed to pty */
	211	#define TD_OPTIONS 0x10 /* Report just telnet options */
	212	#endif /* DIAGNOSTICS */
	213
	214	/*
	215	* We keep track of each side of the option negotiation.
	216	*/
	217
	218	#define MY_STATE_WILL 0x01
	219	#define MY_WANT_STATE_WILL 0x02
	220	#define MY_STATE_DO 0x04
	221	#define MY_WANT_STATE_DO 0x08
	222
	223	/*
	224	* Macros to check the current state of things
	225	*/
	226
	227	#define my_state_is_do(opt) (options[opt]&MY_STATE_DO)
	228	#define my_state_is_will(opt) (options[opt]&MY_STATE_WILL)
	229	#define my_want_state_is_do(opt) (options[opt]&MY_WANT_STATE_DO)
	230	#define my_want_state_is_will(opt) (options[opt]&MY_WANT_STATE_WILL)
	231
	232	#define my_state_is_dont(opt) (!my_state_is_do(opt))
	233	#define my_state_is_wont(opt) (!my_state_is_will(opt))
	234	#define my_want_state_is_dont(opt) (!my_want_state_is_do(opt))
	235	#define my_want_state_is_wont(opt) (!my_want_state_is_will(opt))
	236
	237	#define set_my_state_do(opt) (options[opt] \|= MY_STATE_DO)
	238	#define set_my_state_will(opt) (options[opt] \|= MY_STATE_WILL)
	239	#define set_my_want_state_do(opt) (options[opt] \|= MY_WANT_STATE_DO)
	240	#define set_my_want_state_will(opt) (options[opt] \|= MY_WANT_STATE_WILL)
	241
	242	#define set_my_state_dont(opt) (options[opt] &= ~MY_STATE_DO)
	243	#define set_my_state_wont(opt) (options[opt] &= ~MY_STATE_WILL)
	244	#define set_my_want_state_dont(opt) (options[opt] &= ~MY_WANT_STATE_DO)
	245	#define set_my_want_state_wont(opt) (options[opt] &= ~MY_WANT_STATE_WILL)
	246
	247	/*
	248	* Tricky code here. What we want to know is if the MY_STATE_WILL
	249	* and MY_WANT_STATE_WILL bits have the same value. Since the two
	250	* bits are adjacent, a little arithmatic will show that by adding
	251	* in the lower bit, the upper bit will be set if the two bits were
	252	* different, and clear if they were the same.
	253	*/
	254	#define my_will_wont_is_changing(opt) \
	255	((options[opt]+MY_STATE_WILL) & MY_WANT_STATE_WILL)
	256
	257	#define my_do_dont_is_changing(opt) \
	258	((options[opt]+MY_STATE_DO) & MY_WANT_STATE_DO)
	259
	260	/*
	261	* Make everything symetrical
	262	*/
	263
	264	#define HIS_STATE_WILL MY_STATE_DO
	265	#define HIS_WANT_STATE_WILL MY_WANT_STATE_DO
266	#define HIS_STATE_DO MY_STATE_WILL
267	#define HIS_WANT_STATE_DO MY_WANT_STATE_WILL
268
269	#define his_state_is_do my_state_is_will
270	#define his_state_is_will my_state_is_do
271	#define his_want_state_is_do my_want_state_is_will
272	#define his_want_state_is_will my_want_state_is_do
273
274	#define his_state_is_dont my_state_is_wont
275	#define his_state_is_wont my_state_is_dont
276	#define his_want_state_is_dont my_want_state_is_wont
277	#define his_want_state_is_wont my_want_state_is_dont
278
279	#define set_his_state_do set_my_state_will
280	#define set_his_state_will set_my_state_do
281	#define set_his_want_state_do set_my_want_state_will
282	#define set_his_want_state_will set_my_want_state_do
283
284	#define set_his_state_dont set_my_state_wont
285	#define set_his_state_wont set_my_state_dont
286	#define set_his_want_state_dont set_my_want_state_wont
287	#define set_his_want_state_wont set_my_want_state_dont
288
289	#define his_will_wont_is_changing my_do_dont_is_changing
290	#define his_do_dont_is_changing my_will_wont_is_changing