ext.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 * @(#)ext.h 5.7 (Berkeley) 3/1/91
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 #ifdef DIAGNOSTICS
54 extern int diagnostic; /* telnet diagnostic capabilities */
55 #endif /* DIAGNOSTICS */
56 #ifdef BFTPDAEMON
57 extern int bftpd; /* behave as bftp daemon */
58 #endif /* BFTPDAEMON */
59 #if defined(SecurID)
60 extern int require_SecurID;
61 #endif
62 #if defined(AUTHENTICATE)
63 extern int auth_level;
64 #endif
65
66 extern slcfun slctab[NSLC + 1]; /* slc mapping table */
67
68 char *terminaltype;
69
70 /*
71 * I/O data buffers, pointers, and counters.
72 */
73 extern char ptyobuf[BUFSIZ+NETSLOP], *pfrontp, *pbackp;
74
75 extern char netibuf[BUFSIZ], *netip;
76
77 extern char netobuf[BUFSIZ+NETSLOP], *nfrontp, *nbackp;
78 extern char *neturg; /* one past last bye of urgent data */
79
80 extern int pcc, ncc;
81
82 #if defined(CRAY2) && defined(UNICOS5)
83 extern int unpcc; /* characters left unprocessed by CRAY-2 terminal routine */
84 extern char *unptyip; /* pointer to remaining characters in buffer */
85 #endif
86
87 extern int pty, net;
88 extern char *line;
89 extern int SYNCHing; /* we are in TELNET SYNCH mode */
90
91 #ifndef P
92 # ifdef __STDC__
93 # define P(x) x
94 # else
95 # define P(x) ()
96 # endif
97 #endif
98
99 extern void
100 _termstat P((void)),
101 add_slc P((int, int, int)),
102 check_slc P((void)),
103 change_slc P((int, int, int)),
104 cleanup P((int)),
105 clientstat P((int, int, int)),
106 copy_termbuf P((char *, int)),
107 deferslc P((void)),
108 defer_terminit P((void)),
109 do_opt_slc P((unsigned char *, int)),
110 doeof P((void)),
111 dooption P((int)),
112 dontoption P((int)),
113 edithost P((char *, char *)),
114 fatal P((int, char *)),
115 fatalperror P((int, char *)),
116 get_slc_defaults P((void)),
117 init_env P((void)),
118 init_termbuf P((void)),
119 interrupt P((void)),
120 localstat P((void)),
121 netclear P((void)),
122 netflush P((void)),
123 #ifdef DIAGNOSTICS
124 printoption P((char *, int)),
125 printdata P((char *, char *, int)),
126 printsub P((int, unsigned char *, int)),
127 #endif
128 ptyflush P((void)),
129 putchr P((int)),
130 putf P((char *, char *)),
131 recv_ayt P((void)),
132 send_do P((int, int)),
133 send_dont P((int, int)),
134 send_slc P((void)),
135 send_status P((void)),
136 send_will P((int, int)),
137 send_wont P((int, int)),
138 sendbrk P((void)),
139 sendsusp P((void)),
140 set_termbuf P((void)),
141 start_login P((char *, int, char *)),
142 start_slc P((int)),
143 #if defined(AUTHENTICATE)
144 start_slave P((char *)),
145 #else
146 start_slave P((char *, int, char *)),
147 #endif
148 suboption P((void)),
149 telrcv P((void)),
150 ttloop P((void)),
151 tty_binaryin P((int)),
152 tty_binaryout P((int));
153
154 extern int
155 end_slc P((unsigned char **)),
156 getnpty P((void)),
157 getpty P((void)),
158 login_tty P((int)),
159 spcset P((int, cc_t *, cc_t **)),
160 stilloob P((int)),
161 terminit P((void)),
162 termstat P((void)),
163 tty_flowmode P((void)),
164 tty_isbinaryin P((void)),
165 tty_isbinaryout P((void)),
166 tty_iscrnl P((void)),
167 tty_isecho P((void)),
168 tty_isediting P((void)),
169 tty_islitecho P((void)),
170 tty_isnewmap P((void)),
171 tty_israw P((void)),
172 tty_issofttab P((void)),
173 tty_istrapsig P((void)),
174 tty_linemode P((void));
175
176 extern void
177 tty_rspeed P((int)),
178 tty_setecho P((int)),
179 tty_setedit P((int)),
180 tty_setlinemode P((int)),
181 tty_setlitecho P((int)),
182 tty_setsig P((int)),
183 tty_setsofttab P((int)),
184 tty_tspeed P((int)),
185 willoption P((int)),
186 wontoption P((int)),
187 writenet P((unsigned char *, int));
188
189 #if defined(ENCRYPT)
190 extern void (*encrypt_output) P((unsigned char *, int));
191 extern int (*decrypt_input) P((int));
192 extern char *nclearto;
193 #endif
194
195
196 /*
197 * The following are some clocks used to decide how to interpret
198 * the relationship between various variables.
199 */
200
201 extern struct {
202 int
203 system, /* what the current time is */
204 echotoggle, /* last time user entered echo character */
205 modenegotiated, /* last time operating mode negotiated */
206 didnetreceive, /* last time we read data from network */
207 ttypesubopt, /* ttype subopt is received */
208 tspeedsubopt, /* tspeed subopt is received */
209 environsubopt, /* environ subopt is received */
210 xdisplocsubopt, /* xdisploc subopt is received */
211 baseline, /* time started to do timed action */
212 gotDM; /* when did we last see a data mark */
213 } clocks;
214
215
216 #if defined(CRAY2) && defined(UNICOS5)
217 extern int needtermstat;
218 #endif
219
220 #ifndef CRAY
221 #define DEFAULT_IM "\r\n\r\n4.3 BSD UNIX (%h) (%t)\r\n\r\r\n\r"
222 #else
223 #define DEFAULT_IM "\r\n\r\nCray UNICOS (%h) (%t)\r\n\r\r\n\r"
224 #endif
225