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1 | /* |
2 | * Copyright (c) 1999 Apple Computer, Inc. All rights reserved. | |
3 | * | |
4 | * @APPLE_LICENSE_HEADER_START@ | |
5 | * | |
6 | * "Portions Copyright (c) 1999 Apple Computer, Inc. All Rights | |
7 | * Reserved. This file contains Original Code and/or Modifications of | |
8 | * Original Code as defined in and that are subject to the Apple Public | |
9 | * Source License Version 1.0 (the 'License'). You may not use this file | |
10 | * except in compliance with the License. Please obtain a copy of the | |
11 | * License at http://www.apple.com/publicsource and read it before using | |
12 | * this file. | |
13 | * | |
14 | * The Original Code and all software distributed under the License are | |
15 | * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER | |
16 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, | |
17 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, | |
18 | * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the | |
19 | * License for the specific language governing rights and limitations | |
20 | * under the License." | |
21 | * | |
22 | * @APPLE_LICENSE_HEADER_END@ | |
23 | */ | |
24 | /* | |
25 | * Copyright (c) 1989, 1993 | |
26 | * The Regents of the University of California. All rights reserved. | |
27 | * | |
28 | * Redistribution and use in source and binary forms, with or without | |
29 | * modification, are permitted provided that the following conditions | |
30 | * are met: | |
31 | * 1. Redistributions of source code must retain the above copyright | |
32 | * notice, this list of conditions and the following disclaimer. | |
33 | * 2. Redistributions in binary form must reproduce the above copyright | |
34 | * notice, this list of conditions and the following disclaimer in the | |
35 | * documentation and/or other materials provided with the distribution. | |
36 | * 3. All advertising materials mentioning features or use of this software | |
37 | * must display the following acknowledgement: | |
38 | * This product includes software developed by the University of | |
39 | * California, Berkeley and its contributors. | |
40 | * 4. Neither the name of the University nor the names of its contributors | |
41 | * may be used to endorse or promote products derived from this software | |
42 | * without specific prior written permission. | |
43 | * | |
44 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND | |
45 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
46 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
47 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE | |
48 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
49 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
50 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
51 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
52 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
53 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
54 | * SUCH DAMAGE. | |
55 | * | |
56 | * @(#)defs.h 8.1 (Berkeley) 6/4/93 | |
57 | */ | |
58 | ||
59 | /* | |
60 | * Telnet server defines | |
61 | */ | |
62 | #include <sys/types.h> | |
63 | #include <sys/param.h> | |
64 | ||
65 | #ifndef BSD | |
66 | # define BSD 43 | |
67 | #endif | |
68 | ||
69 | #if defined(CRAY) && !defined(LINEMODE) | |
70 | # define SYSV_TERMIO | |
71 | # define LINEMODE | |
72 | # define KLUDGELINEMODE | |
73 | # define DIAGNOSTICS | |
74 | # if defined(UNICOS50) && !defined(UNICOS5) | |
75 | # define UNICOS5 | |
76 | # endif | |
77 | # if !defined(UNICOS5) | |
78 | # define BFTPDAEMON | |
79 | # define HAS_IP_TOS | |
80 | # endif | |
81 | #endif /* CRAY */ | |
82 | #if defined(UNICOS5) && !defined(NO_SETSID) | |
83 | # define NO_SETSID | |
84 | #endif | |
85 | ||
86 | #if defined(PRINTOPTIONS) && defined(DIAGNOSTICS) | |
87 | #define TELOPTS | |
88 | #define TELCMDS | |
89 | #define SLC_NAMES | |
90 | #endif | |
91 | ||
92 | #if defined(SYSV_TERMIO) && !defined(USE_TERMIO) | |
93 | # define USE_TERMIO | |
94 | #endif | |
95 | ||
96 | #include <sys/socket.h> | |
97 | #ifndef CRAY | |
98 | #include <sys/wait.h> | |
99 | #endif /* CRAY */ | |
100 | #include <fcntl.h> | |
101 | #include <sys/file.h> | |
102 | #include <sys/stat.h> | |
103 | #include <sys/time.h> | |
104 | #ifndef FILIO_H | |
105 | #include <sys/ioctl.h> | |
106 | #else | |
107 | #include <sys/filio.h> | |
108 | #endif | |
109 | ||
110 | #include <netinet/in.h> | |
111 | ||
112 | #include <arpa/telnet.h> | |
113 | ||
114 | #include <stdio.h> | |
115 | #ifdef __STDC__ | |
116 | #include <stdlib.h> | |
117 | #endif | |
118 | #include <signal.h> | |
119 | #include <errno.h> | |
120 | #include <netdb.h> | |
121 | #include <syslog.h> | |
122 | #ifndef LOG_DAEMON | |
123 | #define LOG_DAEMON 0 | |
124 | #endif | |
125 | #ifndef LOG_ODELAY | |
126 | #define LOG_ODELAY 0 | |
127 | #endif | |
128 | #include <ctype.h> | |
129 | #ifndef NO_STRING_H | |
130 | #include <string.h> | |
131 | #else | |
132 | #include <strings.h> | |
133 | #endif | |
134 | ||
135 | #ifndef USE_TERMIO | |
136 | #include <sgtty.h> | |
137 | #else | |
138 | # ifdef SYSV_TERMIO | |
139 | # include <termio.h> | |
140 | # else | |
141 | # ifdef __APPLE__ | |
142 | # include <sys/termios.h> | |
143 | # else | |
144 | # include <termios.h> | |
145 | # endif | |
146 | # endif | |
147 | #endif | |
148 | #if !defined(USE_TERMIO) || defined(NO_CC_T) | |
149 | typedef unsigned char cc_t; | |
150 | #endif | |
151 | ||
152 | #ifdef __STDC__ | |
153 | #include <unistd.h> | |
154 | #endif | |
155 | ||
156 | #ifndef _POSIX_VDISABLE | |
157 | # ifdef VDISABLE | |
158 | # define _POSIX_VDISABLE VDISABLE | |
159 | # else | |
160 | # define _POSIX_VDISABLE ((unsigned char)'\377') | |
161 | # endif | |
162 | #endif | |
163 | ||
164 | ||
165 | #ifdef CRAY | |
166 | # ifdef CRAY1 | |
167 | # include <sys/pty.h> | |
168 | # ifndef FD_ZERO | |
169 | # include <sys/select.h> | |
170 | # endif /* FD_ZERO */ | |
171 | # endif /* CRAY1 */ | |
172 | ||
173 | #include <memory.h> | |
174 | #endif /* CRAY */ | |
175 | ||
176 | #ifdef __hpux | |
177 | #include <sys/ptyio.h> | |
178 | #endif | |
179 | ||
180 | #if !defined(TIOCSCTTY) && defined(TCSETCTTY) | |
181 | # define TIOCSCTTY TCSETCTTY | |
182 | #endif | |
183 | ||
184 | #ifndef FD_SET | |
185 | #ifndef HAVE_fd_set | |
186 | typedef struct fd_set { int fds_bits[1]; } fd_set; | |
187 | #endif | |
188 | ||
189 | #define FD_SET(n, p) ((p)->fds_bits[0] |= (1<<(n))) | |
190 | #define FD_CLR(n, p) ((p)->fds_bits[0] &= ~(1<<(n))) | |
191 | #define FD_ISSET(n, p) ((p)->fds_bits[0] & (1<<(n))) | |
192 | #define FD_ZERO(p) ((p)->fds_bits[0] = 0) | |
193 | #endif /* FD_SET */ | |
194 | ||
195 | /* | |
196 | * I/O data buffers defines | |
197 | */ | |
198 | #define NETSLOP 64 | |
199 | #ifdef CRAY | |
200 | #undef BUFSIZ | |
201 | #define BUFSIZ 2048 | |
202 | #endif | |
203 | ||
204 | #define NIACCUM(c) { *netip++ = c; \ | |
205 | ncc++; \ | |
206 | } | |
207 | ||
208 | /* clock manipulations */ | |
209 | #define settimer(x) (clocks.x = ++clocks.system) | |
210 | #define sequenceIs(x,y) (clocks.x < clocks.y) | |
211 | ||
212 | /* | |
213 | * Linemode support states, in decreasing order of importance | |
214 | */ | |
215 | #define REAL_LINEMODE 0x04 | |
216 | #define KLUDGE_OK 0x03 | |
217 | #define NO_AUTOKLUDGE 0x02 | |
218 | #define KLUDGE_LINEMODE 0x01 | |
219 | #define NO_LINEMODE 0x00 | |
220 | ||
221 | /* | |
222 | * Structures of information for each special character function. | |
223 | */ | |
224 | typedef struct { | |
225 | unsigned char flag; /* the flags for this function */ | |
226 | cc_t val; /* the value of the special character */ | |
227 | } slcent, *Slcent; | |
228 | ||
229 | typedef struct { | |
230 | slcent defset; /* the default settings */ | |
231 | slcent current; /* the current settings */ | |
232 | cc_t *sptr; /* a pointer to the char in */ | |
233 | /* system data structures */ | |
234 | } slcfun, *Slcfun; | |
235 | ||
236 | #ifdef DIAGNOSTICS | |
237 | /* | |
238 | * Diagnostics capabilities | |
239 | */ | |
240 | #define TD_REPORT 0x01 /* Report operations to client */ | |
241 | #define TD_EXERCISE 0x02 /* Exercise client's implementation */ | |
242 | #define TD_NETDATA 0x04 /* Display received data stream */ | |
243 | #define TD_PTYDATA 0x08 /* Display data passed to pty */ | |
244 | #define TD_OPTIONS 0x10 /* Report just telnet options */ | |
245 | #endif /* DIAGNOSTICS */ | |
246 | ||
247 | /* | |
248 | * We keep track of each side of the option negotiation. | |
249 | */ | |
250 | ||
251 | #define MY_STATE_WILL 0x01 | |
252 | #define MY_WANT_STATE_WILL 0x02 | |
253 | #define MY_STATE_DO 0x04 | |
254 | #define MY_WANT_STATE_DO 0x08 | |
255 | ||
256 | /* | |
257 | * Macros to check the current state of things | |
258 | */ | |
259 | ||
260 | #define my_state_is_do(opt) (options[opt]&MY_STATE_DO) | |
261 | #define my_state_is_will(opt) (options[opt]&MY_STATE_WILL) | |
262 | #define my_want_state_is_do(opt) (options[opt]&MY_WANT_STATE_DO) | |
263 | #define my_want_state_is_will(opt) (options[opt]&MY_WANT_STATE_WILL) | |
264 | ||
265 | #define my_state_is_dont(opt) (!my_state_is_do(opt)) | |
266 | #define my_state_is_wont(opt) (!my_state_is_will(opt)) | |
267 | #define my_want_state_is_dont(opt) (!my_want_state_is_do(opt)) | |
268 | #define my_want_state_is_wont(opt) (!my_want_state_is_will(opt)) | |
269 | ||
270 | #define set_my_state_do(opt) (options[opt] |= MY_STATE_DO) | |
271 | #define set_my_state_will(opt) (options[opt] |= MY_STATE_WILL) | |
272 | #define set_my_want_state_do(opt) (options[opt] |= MY_WANT_STATE_DO) | |
273 | #define set_my_want_state_will(opt) (options[opt] |= MY_WANT_STATE_WILL) | |
274 | ||
275 | #define set_my_state_dont(opt) (options[opt] &= ~MY_STATE_DO) | |
276 | #define set_my_state_wont(opt) (options[opt] &= ~MY_STATE_WILL) | |
277 | #define set_my_want_state_dont(opt) (options[opt] &= ~MY_WANT_STATE_DO) | |
278 | #define set_my_want_state_wont(opt) (options[opt] &= ~MY_WANT_STATE_WILL) | |
279 | ||
280 | /* | |
281 | * Tricky code here. What we want to know is if the MY_STATE_WILL | |
282 | * and MY_WANT_STATE_WILL bits have the same value. Since the two | |
283 | * bits are adjacent, a little arithmatic will show that by adding | |
284 | * in the lower bit, the upper bit will be set if the two bits were | |
285 | * different, and clear if they were the same. | |
286 | */ | |
287 | #define my_will_wont_is_changing(opt) \ | |
288 | ((options[opt]+MY_STATE_WILL) & MY_WANT_STATE_WILL) | |
289 | ||
290 | #define my_do_dont_is_changing(opt) \ | |
291 | ((options[opt]+MY_STATE_DO) & MY_WANT_STATE_DO) | |
292 | ||
293 | /* | |
294 | * Make everything symetrical | |
295 | */ | |
296 | ||
297 | #define HIS_STATE_WILL MY_STATE_DO | |
298 | #define HIS_WANT_STATE_WILL MY_WANT_STATE_DO | |
299 | #define HIS_STATE_DO MY_STATE_WILL | |
300 | #define HIS_WANT_STATE_DO MY_WANT_STATE_WILL | |
301 | ||
302 | #define his_state_is_do my_state_is_will | |
303 | #define his_state_is_will my_state_is_do | |
304 | #define his_want_state_is_do my_want_state_is_will | |
305 | #define his_want_state_is_will my_want_state_is_do | |
306 | ||
307 | #define his_state_is_dont my_state_is_wont | |
308 | #define his_state_is_wont my_state_is_dont | |
309 | #define his_want_state_is_dont my_want_state_is_wont | |
310 | #define his_want_state_is_wont my_want_state_is_dont | |
311 | ||
312 | #define set_his_state_do set_my_state_will | |
313 | #define set_his_state_will set_my_state_do | |
314 | #define set_his_want_state_do set_my_want_state_will | |
315 | #define set_his_want_state_will set_my_want_state_do | |
316 | ||
317 | #define set_his_state_dont set_my_state_wont | |
318 | #define set_his_state_wont set_my_state_dont | |
319 | #define set_his_want_state_dont set_my_want_state_wont | |
320 | #define set_his_want_state_wont set_my_want_state_dont | |
321 | ||
322 | #define his_will_wont_is_changing my_do_dont_is_changing | |
323 | #define his_do_dont_is_changing my_will_wont_is_changing |