ext.h revision 1.1.1.2 1 /*
2 * Copyright (c) 1989, 1993
3 * The Regents of the University of California. 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 * @(#)ext.h 8.2 (Berkeley) 12/15/93
34 */
35
36 /*
37 * Telnet server variable declarations
38 */
39 extern char options[256];
40 extern char do_dont_resp[256];
41 extern char will_wont_resp[256];
42 extern int linemode; /* linemode on/off */
43 #ifdef LINEMODE
44 extern int uselinemode; /* what linemode to use (on/off) */
45 extern int editmode; /* edit modes in use */
46 extern int useeditmode; /* edit modes to use */
47 extern int alwayslinemode; /* command line option */
48 # ifdef KLUDGELINEMODE
49 extern int lmodetype; /* Client support for linemode */
50 # endif /* KLUDGELINEMODE */
51 #endif /* LINEMODE */
52 extern int flowmode; /* current flow control state */
53 extern int restartany; /* restart output on any character state */
54 #ifdef DIAGNOSTICS
55 extern int diagnostic; /* telnet diagnostic capabilities */
56 #endif /* DIAGNOSTICS */
57 #ifdef BFTPDAEMON
58 extern int bftpd; /* behave as bftp daemon */
59 #endif /* BFTPDAEMON */
60 #if defined(SecurID)
61 extern int require_SecurID;
62 #endif
63 #if defined(AUTHENTICATION)
64 extern int auth_level;
65 #endif
66
67 extern slcfun slctab[NSLC + 1]; /* slc mapping table */
68
69 char *terminaltype;
70
71 /*
72 * I/O data buffers, pointers, and counters.
73 */
74 extern char ptyobuf[BUFSIZ+NETSLOP], *pfrontp, *pbackp;
75
76 extern char netibuf[BUFSIZ], *netip;
77
78 extern char netobuf[BUFSIZ+NETSLOP], *nfrontp, *nbackp;
79 extern char *neturg; /* one past last bye of urgent data */
80
81 extern int pcc, ncc;
82
83 #if defined(CRAY2) && defined(UNICOS5)
84 extern int unpcc; /* characters left unprocessed by CRAY-2 terminal routine */
85 extern char *unptyip; /* pointer to remaining characters in buffer */
86 #endif
87
88 extern int pty, net;
89 extern char *line;
90 extern int SYNCHing; /* we are in TELNET SYNCH mode */
91
92 #ifndef P
93 # ifdef __STDC__
94 # define P(x) x
95 # else
96 # define P(x) ()
97 # endif
98 #endif
99
100 extern void
101 _termstat P((void)),
102 add_slc P((int, int, int)),
103 check_slc P((void)),
104 change_slc P((int, int, int)),
105 cleanup P((int)),
106 clientstat P((int, int, int)),
107 copy_termbuf P((char *, int)),
108 deferslc P((void)),
109 defer_terminit P((void)),
110 do_opt_slc P((unsigned char *, int)),
111 doeof P((void)),
112 dooption P((int)),
113 dontoption P((int)),
114 edithost P((char *, char *)),
115 fatal P((int, char *)),
116 fatalperror P((int, char *)),
117 get_slc_defaults P((void)),
118 init_env P((void)),
119 init_termbuf P((void)),
120 interrupt P((void)),
121 localstat P((void)),
122 flowstat P((void)),
123 netclear P((void)),
124 netflush P((void)),
125 #ifdef DIAGNOSTICS
126 printoption P((char *, int)),
127 printdata P((char *, char *, int)),
128 printsub P((int, unsigned char *, int)),
129 #endif
130 ptyflush P((void)),
131 putchr P((int)),
132 putf P((char *, char *)),
133 recv_ayt P((void)),
134 send_do P((int, int)),
135 send_dont P((int, int)),
136 send_slc P((void)),
137 send_status P((void)),
138 send_will P((int, int)),
139 send_wont P((int, int)),
140 sendbrk P((void)),
141 sendsusp P((void)),
142 set_termbuf P((void)),
143 start_login P((char *, int, char *)),
144 start_slc P((int)),
145 #if defined(AUTHENTICATION)
146 start_slave P((char *)),
147 #else
148 start_slave P((char *, int, char *)),
149 #endif
150 suboption P((void)),
151 telrcv P((void)),
152 ttloop P((void)),
153 tty_binaryin P((int)),
154 tty_binaryout P((int));
155
156 extern int
157 end_slc P((unsigned char **)),
158 getnpty P((void)),
159 #ifndef convex
160 getpty P((int *)),
161 #endif
162 login_tty P((int)),
163 spcset P((int, cc_t *, cc_t **)),
164 stilloob P((int)),
165 terminit P((void)),
166 termstat P((void)),
167 tty_flowmode P((void)),
168 tty_restartany P((void)),
169 tty_isbinaryin P((void)),
170 tty_isbinaryout P((void)),
171 tty_iscrnl P((void)),
172 tty_isecho P((void)),
173 tty_isediting P((void)),
174 tty_islitecho P((void)),
175 tty_isnewmap P((void)),
176 tty_israw P((void)),
177 tty_issofttab P((void)),
178 tty_istrapsig P((void)),
179 tty_linemode P((void));
180
181 extern void
182 tty_rspeed P((int)),
183 tty_setecho P((int)),
184 tty_setedit P((int)),
185 tty_setlinemode P((int)),
186 tty_setlitecho P((int)),
187 tty_setsig P((int)),
188 tty_setsofttab P((int)),
189 tty_tspeed P((int)),
190 willoption P((int)),
191 wontoption P((int)),
192 writenet P((unsigned char *, int));
193
194 #ifdef ENCRYPTION
195 extern void (*encrypt_output) P((unsigned char *, int));
196 extern int (*decrypt_input) P((int));
197 extern char *nclearto;
198 #endif /* ENCRYPTION */
199
200
201 /*
202 * The following are some clocks used to decide how to interpret
203 * the relationship between various variables.
204 */
205
206 extern struct {
207 int
208 system, /* what the current time is */
209 echotoggle, /* last time user entered echo character */
210 modenegotiated, /* last time operating mode negotiated */
211 didnetreceive, /* last time we read data from network */
212 ttypesubopt, /* ttype subopt is received */
213 tspeedsubopt, /* tspeed subopt is received */
214 environsubopt, /* environ subopt is received */
215 oenvironsubopt, /* old environ subopt is received */
216 xdisplocsubopt, /* xdisploc subopt is received */
217 baseline, /* time started to do timed action */
218 gotDM; /* when did we last see a data mark */
219 } clocks;
220
221
222 #if defined(CRAY2) && defined(UNICOS5)
223 extern int needtermstat;
224 #endif
225
226 #ifndef DEFAULT_IM
227 # ifdef CRAY
228 # define DEFAULT_IM "\r\n\r\nCray UNICOS (%h) (%t)\r\n\r\r\n\r"
229 # else
230 # ifdef sun
231 # define DEFAULT_IM "\r\n\r\nSunOS UNIX (%h) (%t)\r\n\r\r\n\r"
232 # else
233 # ifdef ultrix
234 # define DEFAULT_IM "\r\n\r\nULTRIX (%h) (%t)\r\n\r\r\n\r"
235 # else
236 # define DEFAULT_IM "\r\n\r\n4.4 BSD UNIX (%h) (%t)\r\n\r\r\n\r"
237 # endif
238 # endif
239 # endif
240 #endif
241