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
|
/* $OpenBSD: defs.h,v 1.2 1996/03/28 23:21:55 niklas 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(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
|