summaryrefslogtreecommitdiff
path: root/usr/src/cmd/cmd-inet/usr.bin/telnet/externs.h
blob: 6701386b4333cf3422e3dc734b833fe2bc56b5a1 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
/*
 * Copyright 1994-2002 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

/*
 * Copyright (c) 1988, 1990, 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.
 *
 *	@(#)externs.h	8.1 (Berkeley) 6/6/93
 */

#ifndef _EXTERNS_H
#define	_EXTERNS_H

#pragma ident	"%Z%%M%	%I%	%E% SMI"

#ifdef	__cplusplus
extern "C" {
#endif

#include <libintl.h>
#include <stdio.h>
#include <setjmp.h>
#include <sys/filio.h>
#ifdef	USE_TERMIO
#include <sys/termios.h>
#define	termio termios
#endif
#if defined(NO_CC_T) || !defined(USE_TERMIO)
#if !defined(USE_TERMIO)
typedef char cc_t;
#else
typedef unsigned char cc_t;
#endif
#endif

#include "auth.h"
#include "encrypt.h"
#include <profile/prof_int.h>

extern profile_options_boolean	config_file_options[];
#define	forwardable_flag_set	config_file_options[0].found
#define	forward_flag_set	config_file_options[1].found
#define	encrypt_flag_set	config_file_options[2].found
#define	autologin_set		config_file_options[3].found

#include <string.h>

#ifndef	_POSIX_VDISABLE
#include <sys/param.h>	/* pick up VDISABLE definition, mayby */
#ifdef VDISABLE
#define	_POSIX_VDISABLE VDISABLE
#else
#define	_POSIX_VDISABLE ((cc_t)'\377')
#endif
#endif

#include <wait.h>
#include <stdlib.h>
#include <unistd.h>


#define	SUBBUFSIZE	256

extern int autologin;	/* Autologin enabled */
extern int skiprc;	/* Don't process the ~/.telnetrc file */
extern int eight;	/* use eight bit mode (binary in and/or out */
extern int flushout;	/* flush output */
extern int connected;	/* Are we connected to the other side? */
extern int globalmode;	/* Mode tty should be in */
extern int telnetport;	/* Are we connected to the telnet port? */
extern int localflow;	/* Flow control handled locally */
extern int restartany;	/* If flow control, restart output on any character */
extern int localchars;	/* we recognize interrupt/quit */
extern int donelclchars; /* the user has set "localchars" */
extern int showoptions;
extern int net;		/* Network file descriptor */
extern int tout;	/* Terminal output file descriptor */
extern int crlf;	/* Should '\r' be mapped to <CR><LF> (or <CR><NUL>)? */
extern int autoflush;	/* flush output when interrupting? */
extern int autosynch;	/* send interrupt characters with SYNCH? */
extern int SYNCHing;	/* Is the stream in telnet SYNCH mode? */
extern int donebinarytoggle;	/* the user has put us in binary */
extern int dontlecho;	/* do we suppress local echoing right now? */
extern int crmod;
extern int netdata;	/* Print out network data flow */
extern int prettydump;	/* Print "netdata" output in user readable format */
extern int termdata;	/* Print out terminal data flow */
extern int eof_pending;	/* Received EOF in line mode, need to send IAC-xEOF */
extern int debug;	/* Debug level */


extern int krb5auth_flag;
extern char *RemoteHostName;
extern char *UserNameRequested;
extern int forwardable_flag;
extern int forward_flag;
extern boolean_t wantencryption;	/* User has requested encryption */
extern int encrypt_flag;		/* for reading config file for Krb5 */

extern boolean_t Ambiguous(void *);
extern boolean_t intr_happened;	/* for interrupt handling */
extern boolean_t intr_waiting;

extern cc_t escape;	/* Escape to command mode */
extern cc_t rlogin;	/* Rlogin mode escape character */
extern boolean_t escape_valid;
#ifdef	KLUDGELINEMODE
extern cc_t echoc;	/* Toggle local echoing */
#endif

extern char *prompt;	/* Prompt for command. */

extern char doopt[];
extern char dont[];
extern char will[];
extern char wont[];
extern char options[];	/* All the little options */
extern char *hostname;	/* Who are we connected to? */
extern void (*encrypt_output) (unsigned char *, int);
extern int (*decrypt_input) (int);

/*
 * 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; }

/*
 * 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


extern FILE *NetTrace;		/* Where debugging output goes */
				/* Name of file where debugging output goes */
extern unsigned char NetTraceFile[];
extern void SetNetTrace(char *); /* Function to change where debugging goes */

extern jmp_buf peerdied;
extern jmp_buf toplevel;	/* For error conditions. */

extern char *AllocStringBuffer(char **, unsigned int *, unsigned int);
extern void ExitString(char *, int);
extern void Exit(int);
extern void command(int, char *, int);
extern void Dump(int, unsigned char *, int);
extern char *GetAndAppendString(char **, unsigned int *, char *, FILE *);
extern char *GetString(char **, unsigned int *, FILE *);
extern void init_network(void);
extern void init_terminal(void);
extern void init_sys(void);
extern void optionstatus(void);
extern void printoption(char *, int, int);
extern void printsub(int, unsigned char *, int);
extern void sendnaws(void);
extern void setconnmode(int);
extern void setcommandmode(void);
extern void setneturg(void);
extern void sys_telnet_init(void);
extern void telnet(char *);
extern void tel_enter_binary(int);
extern void tel_leave_binary(int);
extern void TerminalDefaultChars(void);
extern void TerminalFlushOutput(void);
extern void TerminalNewMode(int);
extern void TerminalSaveState(void);
extern void TerminalSpeeds(int *, int *);
extern void upcase(char *);

extern void xmitEL(void);
extern void xmitEC(void);
extern void intp(void);
extern void sendabort(void);
extern void sendsusp(void);
extern void set_escape_char(char *);
extern void fatal_tty_error(char *);

extern void send_do(int, int);
extern void send_dont(int, int);
extern void send_will(int, int);
extern void send_wont(int, int);

extern void lm_mode(unsigned char *, int, int);

extern void slcstate(void);
extern void slc_mode_export(void);
extern void slc_mode_import(int);
extern void slc_check(void);

extern void env_opt_start_info(void);
extern void env_opt_add(unsigned char *);
extern void env_opt_end(int);

extern char **genget(char *, char **, int);
extern unsigned char *env_default(int, int);
extern unsigned char *env_getvalue(unsigned char *);

extern int env_init(void);
extern int get_status(void);
extern int init_telnet(void);
extern int isprefix(register char *, register char *);
extern int netflush(void);
extern int opt_welldefined(char *);
extern int process_rings(int, int, int, int, int, int);
extern int quit(void);
extern int rlogin_susp(void);
extern int Scheduler(int);
extern int SetSockOpt(int, int, int, int);
extern int stilloob(void);
extern int telrcv(void);
extern int TerminalWindowSize(unsigned short *, unsigned short *);
extern int TerminalWrite(char *, int);
extern int TerminalSpecialChars(int);
extern int tn(int, char **);
extern int tninit(void);
extern int ttyflush(int);
extern int getconnmode(void);
extern int xmitAO(void);
extern int sendbrk(void);
extern int dosynch(void);

extern cc_t *tcval(int);

extern void	auth_encrypt_init(char *, char *, char *);
extern void	auth_encrypt_user(char *);
extern int	net_write(unsigned char *, int len);
extern void	net_encrypt(void);
extern void	telnet_spin(void);
extern void	printd(unsigned char *, int);

#ifndef	USE_TERMIO

extern struct	tchars ntc;
extern struct	ltchars nltc;
extern struct	sgttyb nttyb;

#define	termEofChar		ntc.t_eofc
#define	termEraseChar		nttyb.sg_erase
#define	termFlushChar		nltc.t_flushc
#define	termIntChar		ntc.t_intrc
#define	termKillChar		nttyb.sg_kill
#define	termLiteralNextChar	nltc.t_lnextc
#define	termQuitChar		ntc.t_quitc
#define	termSuspChar		nltc.t_suspc
#define	termRprntChar		nltc.t_rprntc
#define	termWerasChar		nltc.t_werasc
#define	termStartChar		ntc.t_startc
#define	termStopChar		ntc.t_stopc
#define	termForw1Char		ntc.t_brkc
extern cc_t termForw2Char;
extern cc_t termAytChar;

#define	termEofCharp		(cc_t *)&ntc.t_eofc
#define	termEraseCharp		(cc_t *)&nttyb.sg_erase
#define	termFlushCharp		(cc_t *)&nltc.t_flushc
#define	termIntCharp		(cc_t *)&ntc.t_intrc
#define	termKillCharp		(cc_t *)&nttyb.sg_kill
#define	termLiteralNextCharp	(cc_t *)&nltc.t_lnextc
#define	termQuitCharp		(cc_t *)&ntc.t_quitc
#define	termSuspCharp		(cc_t *)&nltc.t_suspc
#define	termRprntCharp		(cc_t *)&nltc.t_rprntc
#define	termWerasCharp		(cc_t *)&nltc.t_werasc
#define	termStartCharp		(cc_t *)&ntc.t_startc
#define	termStopCharp		(cc_t *)&ntc.t_stopc
#define	termForw1Charp		(cc_t *)&ntc.t_brkc
#define	termForw2Charp		(cc_t *)&termForw2Char
#define	termAytCharp		(cc_t *)&termAytChar

#else

extern struct	termio new_tc;

#define	termEofChar		new_tc.c_cc[VEOF]
#define	termEraseChar		new_tc.c_cc[VERASE]
#define	termIntChar		new_tc.c_cc[VINTR]
#define	termKillChar		new_tc.c_cc[VKILL]
#define	termQuitChar		new_tc.c_cc[VQUIT]

#define	termSuspChar		new_tc.c_cc[VSUSP]
#define	termFlushChar		new_tc.c_cc[VDISCARD]
#define	termWerasChar		new_tc.c_cc[VWERASE]
#define	termRprntChar		new_tc.c_cc[VREPRINT]
#define	termLiteralNextChar	new_tc.c_cc[VLNEXT]
#define	termStartChar		new_tc.c_cc[VSTART]
#define	termStopChar		new_tc.c_cc[VSTOP]
#define	termForw1Char		new_tc.c_cc[VEOL]
#define	termForw2Char		new_tc.c_cc[VEOL]
extern cc_t termAytChar;

#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
#endif


/* Ring buffer structures which are shared */

#include "ring.h"

extern Ring netoring;
extern Ring netiring;
extern Ring ttyoring;
extern Ring ttyiring;

#ifdef	__cplusplus
}
#endif

#endif	/* _EXTERNS_H */