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

/*
 * Copyright (c) 1989, 1993
 *	The Regents of the University of California.  All rights reserved.
 *
 * %sccs.include.redist.c%
 *
 *	@(#)defs.h	8.1 (Berkeley) %G%
 */

/*
 * 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 */

#ifdef __hpux
#include <sys/ptyio.h>
#endif

#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	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
Commit	Line	Data
ea139302	1	/*
4eb3b9d6 KB	2	* Copyright (c) 1989, 1993
4eb3b9d6 KB	3	* The Regents of the University of California. All rights reserved.
ea139302	4	*
836fe169	5	* %sccs.include.redist.c%
ea139302	6	*
4eb3b9d6	7	* @(#)defs.h 8.1 (Berkeley) %G%
ea139302 PB	8	*/
	9
	10	/*
	11	* Telnet server defines
	12	*/
	13	#include <sys/types.h>
	14	#include <sys/param.h>
	15
	16	#ifndef BSD
	17	# define BSD 43
	18	#endif
	19
4a8a7128 PB	20	#if defined(CRAY) && !defined(LINEMODE)
	21	# define SYSV_TERMIO
	22	# define LINEMODE
	23	# define KLUDGELINEMODE
4a8a7128	24	# define DIAGNOSTICS
1af3d848 DB	25	# if defined(UNICOS50) && !defined(UNICOS5)
	26	# define UNICOS5
	27	# endif
4a8a7128 PB	28	# if !defined(UNICOS5)
	29	# define BFTPDAEMON
	30	# define HAS_IP_TOS
	31	# endif
	32	#endif /* CRAY */
	33	#if defined(UNICOS5) && !defined(NO_SETSID)
	34	# define NO_SETSID
ea139302 PB	35	#endif
ea139302 PB	36
4a8a7128 PB	37	#if defined(PRINTOPTIONS) && defined(DIAGNOSTICS)
	38	#define TELOPTS
	39	#define TELCMDS
1af3d848	40	#define SLC_NAMES
4a8a7128	41	#endif
ea139302	42
4a8a7128	43	#if defined(SYSV_TERMIO) && !defined(USE_TERMIO)
ea139302 PB	44	# define USE_TERMIO
	45	#endif
	46
	47	#include <sys/socket.h>
	48	#ifndef CRAY
	49	#include <sys/wait.h>
	50	#endif /* CRAY */
1af3d848	51	#include <fcntl.h>
ea139302 PB	52	#include <sys/file.h>
	53	#include <sys/stat.h>
	54	#include <sys/time.h>
4a8a7128	55	#ifndef FILIO_H
053fd49d	56	#include <sys/ioctl.h>
4a8a7128 PB	57	#else
	58	#include <sys/filio.h>
	59	#endif
ea139302 PB	60
	61	#include <netinet/in.h>
	62
	63	#include <arpa/telnet.h>
	64
	65	#include <stdio.h>
1af3d848 DB	66	#ifdef __STDC__
	67	#include <stdlib.h>
	68	#endif
ea139302 PB	69	#include <signal.h>
	70	#include <errno.h>
	71	#include <netdb.h>
	72	#include <syslog.h>
ed8f31c1 PB	73	#ifndef LOG_DAEMON
	74	#define LOG_DAEMON 0
	75	#endif
	76	#ifndef LOG_ODELAY
	77	#define LOG_ODELAY 0
	78	#endif
ea139302	79	#include <ctype.h>
4a8a7128	80	#ifndef NO_STRING_H
6ebcb998	81	#include <string.h>
4a8a7128 PB	82	#else
	83	#include <strings.h>
	84	#endif
ea139302 PB	85
	86	#ifndef USE_TERMIO
	87	#include <sgtty.h>
	88	#else
	89	# ifdef SYSV_TERMIO
	90	# include <termio.h>
	91	# else
	92	# include <termios.h>
	93	# endif
	94	#endif
4a8a7128 PB	95	#if !defined(USE_TERMIO) \|\| defined(NO_CC_T)
	96	typedef unsigned char cc_t;
	97	#endif
ea139302	98
1af3d848 DB	99	#ifdef __STDC__
	100	#include <unistd.h>
	101	#endif
	102
2c9c7136 PB	103	#ifndef _POSIX_VDISABLE
	104	# ifdef VDISABLE
	105	# define _POSIX_VDISABLE VDISABLE
	106	# else
	107	# define _POSIX_VDISABLE ((unsigned char)'\377')
	108	# endif
	109	#endif
	110
	111
ea139302	112	#ifdef CRAY
ea139302 PB	113	# ifdef CRAY1
	114	# include <sys/pty.h>
	115	# ifndef FD_ZERO
	116	# include <sys/select.h>
	117	# endif /* FD_ZERO */
	118	# endif /* CRAY1 */
	119
	120	#include <memory.h>
	121	#endif /* CRAY */
	122
258d091a DB	123	#ifdef __hpux
	124	#include <sys/ptyio.h>
	125	#endif
	126
4a8a7128 PB	127	#if !defined(TIOCSCTTY) && defined(TCSETCTTY)
4a8a7128 PB	128	# define TIOCSCTTY TCSETCTTY
ea139302 PB	129	#endif
	130
	131	#ifndef FD_SET
ed8f31c1	132	#ifndef HAVE_fd_set
ea139302	133	typedef struct fd_set { int fds_bits[1]; } fd_set;
ed8f31c1	134	#endif
ea139302 PB	135
	136	#define FD_SET(n, p) ((p)->fds_bits[0] \|= (1<<(n)))
	137	#define FD_CLR(n, p) ((p)->fds_bits[0] &= ~(1<<(n)))
	138	#define FD_ISSET(n, p) ((p)->fds_bits[0] & (1<<(n)))
	139	#define FD_ZERO(p) ((p)->fds_bits[0] = 0)
	140	#endif /* FD_SET */
	141
ea139302 PB	142	/*
	143	* I/O data buffers defines
	144	*/
	145	#define NETSLOP 64
	146	#ifdef CRAY
	147	#undef BUFSIZ
	148	#define BUFSIZ 2048
	149	#endif
	150
	151	#define NIACCUM(c) { *netip++ = c; \
	152	ncc++; \
	153	}
	154
	155	/* clock manipulations */
	156	#define settimer(x) (clocks.x = ++clocks.system)
	157	#define sequenceIs(x,y) (clocks.x < clocks.y)
	158
	159	/*
	160	* Linemode support states, in decreasing order of importance
	161	*/
8832c633 DB	162	#define REAL_LINEMODE 0x04
	163	#define KLUDGE_OK 0x03
	164	#define NO_AUTOKLUDGE 0x02
ea139302 PB	165	#define KLUDGE_LINEMODE 0x01
	166	#define NO_LINEMODE 0x00
	167
	168	/*
	169	* Structures of information for each special character function.
	170	*/
	171	typedef struct {
	172	unsigned char flag; /* the flags for this function */
ed8f31c1	173	cc_t val; /* the value of the special character */
ea139302 PB	174	} slcent, *Slcent;
	175
	176	typedef struct {
	177	slcent defset; /* the default settings */
	178	slcent current; /* the current settings */
ed8f31c1	179	cc_t sptr; / a pointer to the char in */
ea139302 PB	180	/* system data structures */
ea139302 PB	181	} slcfun, *Slcfun;
4a8a7128 PB	182
	183	#ifdef DIAGNOSTICS
	184	/*
	185	* Diagnostics capabilities
	186	*/
	187	#define TD_REPORT 0x01 /* Report operations to client */
	188	#define TD_EXERCISE 0x02 /* Exercise client's implementation */
	189	#define TD_NETDATA 0x04 /* Display received data stream */
	190	#define TD_PTYDATA 0x08 /* Display data passed to pty */
	191	#define TD_OPTIONS 0x10 /* Report just telnet options */
	192	#endif /* DIAGNOSTICS */
	193
	194	/*
	195	* We keep track of each side of the option negotiation.
	196	*/
	197
	198	#define MY_STATE_WILL 0x01
	199	#define MY_WANT_STATE_WILL 0x02
	200	#define MY_STATE_DO 0x04
	201	#define MY_WANT_STATE_DO 0x08
	202
	203	/*
	204	* Macros to check the current state of things
	205	*/
	206
	207	#define my_state_is_do(opt) (options[opt]&MY_STATE_DO)
	208	#define my_state_is_will(opt) (options[opt]&MY_STATE_WILL)
	209	#define my_want_state_is_do(opt) (options[opt]&MY_WANT_STATE_DO)
	210	#define my_want_state_is_will(opt) (options[opt]&MY_WANT_STATE_WILL)
	211
	212	#define my_state_is_dont(opt) (!my_state_is_do(opt))
	213	#define my_state_is_wont(opt) (!my_state_is_will(opt))
	214	#define my_want_state_is_dont(opt) (!my_want_state_is_do(opt))
	215	#define my_want_state_is_wont(opt) (!my_want_state_is_will(opt))
	216
	217	#define set_my_state_do(opt) (options[opt] \|= MY_STATE_DO)
	218	#define set_my_state_will(opt) (options[opt] \|= MY_STATE_WILL)
	219	#define set_my_want_state_do(opt) (options[opt] \|= MY_WANT_STATE_DO)
	220	#define set_my_want_state_will(opt) (options[opt] \|= MY_WANT_STATE_WILL)
	221
	222	#define set_my_state_dont(opt) (options[opt] &= ~MY_STATE_DO)
	223	#define set_my_state_wont(opt) (options[opt] &= ~MY_STATE_WILL)
	224	#define set_my_want_state_dont(opt) (options[opt] &= ~MY_WANT_STATE_DO)
	225	#define set_my_want_state_wont(opt) (options[opt] &= ~MY_WANT_STATE_WILL)
	226
	227	/*
	228	* Tricky code here. What we want to know is if the MY_STATE_WILL
	229	* and MY_WANT_STATE_WILL bits have the same value. Since the two
	230	* bits are adjacent, a little arithmatic will show that by adding
	231	* in the lower bit, the upper bit will be set if the two bits were
	232	* different, and clear if they were the same.
	233	*/
	234	#define my_will_wont_is_changing(opt) \
	235	((options[opt]+MY_STATE_WILL) & MY_WANT_STATE_WILL)
	236
	237	#define my_do_dont_is_changing(opt) \
	238	((options[opt]+MY_STATE_DO) & MY_WANT_STATE_DO)
	239
	240	/*
	241	* Make everything symetrical
	242	*/
	243
	244	#define HIS_STATE_WILL MY_STATE_DO
	245	#define HIS_WANT_STATE_WILL MY_WANT_STATE_DO
246	#define HIS_STATE_DO MY_STATE_WILL
247	#define HIS_WANT_STATE_DO MY_WANT_STATE_WILL
248
249	#define his_state_is_do my_state_is_will
250	#define his_state_is_will my_state_is_do
251	#define his_want_state_is_do my_want_state_is_will
252	#define his_want_state_is_will my_want_state_is_do
253
254	#define his_state_is_dont my_state_is_wont
255	#define his_state_is_wont my_state_is_dont
256	#define his_want_state_is_dont my_want_state_is_wont
257	#define his_want_state_is_wont my_want_state_is_dont
258
259	#define set_his_state_do set_my_state_will
260	#define set_his_state_will set_my_state_do
261	#define set_his_want_state_do set_my_want_state_will
262	#define set_his_want_state_will set_my_want_state_do
263
264	#define set_his_state_dont set_my_state_wont
265	#define set_his_state_wont set_my_state_dont
266	#define set_his_want_state_dont set_my_want_state_wont
267	#define set_his_want_state_wont set_my_want_state_dont
268
269	#define his_will_wont_is_changing my_do_dont_is_changing
270	#define his_do_dont_is_changing my_will_wont_is_changing