defs.h revision 1.1 1 /*
2 * Copyright (c) 1989 The Regents of the University of California.
3 * All rights reserved.
4 *
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.
20 *
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
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
46 #if defined(CRAY) && !defined(LINEMODE)
47 # define SYSV_TERMIO
48 # define LINEMODE
49 # define KLUDGELINEMODE
50 # define DIAGNOSTICS
51 # if defined(UNICOS50) && !defined(UNICOS5)
52 # define UNICOS5
53 # endif
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
61 #endif
62
63 #if defined(PRINTOPTIONS) && defined(DIAGNOSTICS)
64 #define TELOPTS
65 #define TELCMDS
66 #define SLC_NAMES
67 #endif
68
69 #if defined(SYSV_TERMIO) && !defined(USE_TERMIO)
70 # define USE_TERMIO
71 #endif
72
73 #include <sys/socket.h>
74 #ifndef CRAY
75 #include <sys/wait.h>
76 #endif /* CRAY */
77 #include <fcntl.h>
78 #include <sys/file.h>
79 #include <sys/stat.h>
80 #include <sys/time.h>
81 #ifndef FILIO_H
82 #include <sys/ioctl.h>
83 #else
84 #include <sys/filio.h>
85 #endif
86
87 #include <netinet/in.h>
88
89 #include <arpa/telnet.h>
90
91 #include <stdio.h>
92 #ifdef __STDC__
93 #include <stdlib.h>
94 #endif
95 #include <signal.h>
96 #include <errno.h>
97 #include <netdb.h>
98 #include <syslog.h>
99 #ifndef LOG_DAEMON
100 #define LOG_DAEMON 0
101 #endif
102 #ifndef LOG_ODELAY
103 #define LOG_ODELAY 0
104 #endif
105 #include <ctype.h>
106 #ifndef NO_STRING_H
107 #include <string.h>
108 #else
109 #include <strings.h>
110 #endif
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
121 #if !defined(USE_TERMIO) || defined(NO_CC_T)
122 typedef unsigned char cc_t;
123 #endif
124
125 #ifdef __STDC__
126 #include <unistd.h>
127 #endif
128
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
138 #ifdef CRAY
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
149 #if !defined(TIOCSCTTY) && defined(TCSETCTTY)
150 # define TIOCSCTTY TCSETCTTY
151 #endif
152
153 #ifndef FD_SET
154 #ifndef HAVE_fd_set
155 typedef struct fd_set { int fds_bits[1]; } fd_set;
156 #endif
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
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 */
193 cc_t val; /* the value of the special character */
194 } slcent, *Slcent;
195
196 typedef struct {
197 slcent defset; /* the default settings */
198 slcent current; /* the current settings */
199 cc_t *sptr; /* a pointer to the char in */
200 /* system data structures */
201 } slcfun, *Slcfun;
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
291