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
|
/* $NetBSD: ext.h,v 1.18 2003/08/07 09:46:51 agc 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. 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: @(#)ext.h 8.2 (Berkeley) 12/15/93
*/
/*
* Telnet server variable declarations
*/
extern char options[256];
extern char do_dont_resp[256];
extern char will_wont_resp[256];
extern int linemode; /* linemode on/off */
#ifdef LINEMODE
extern int uselinemode; /* what linemode to use (on/off) */
extern int editmode; /* edit modes in use */
extern int useeditmode; /* edit modes to use */
extern int alwayslinemode; /* command line option */
# ifdef KLUDGELINEMODE
extern int lmodetype; /* Client support for linemode */
# endif /* KLUDGELINEMODE */
#endif /* LINEMODE */
extern int flowmode; /* current flow control state */
extern int restartany; /* restart output on any character state */
#ifdef DIAGNOSTICS
extern int diagnostic; /* telnet diagnostic capabilities */
#endif /* DIAGNOSTICS */
#ifdef SECURELOGIN
extern int require_secure_login;
#endif
#ifdef AUTHENTICATION
extern int auth_level;
#endif
extern slcfun slctab[NSLC + 1]; /* slc mapping table */
extern char *terminaltype;
/*
* I/O data buffers, pointers, and counters.
*/
extern char ptyobuf[BUFSIZ+NETSLOP], *pfrontp, *pbackp;
extern char netibuf[BUFSIZ], *netip;
extern char netobuf[BUFSIZ+NETSLOP], *nfrontp, *nbackp;
extern char *neturg; /* one past last bye of urgent data */
extern int pcc, ncc;
extern int pty, net;
extern char *line;
extern int SYNCHing; /* we are in TELNET SYNCH mode */
#include <sys/cdefs.h>
extern void
_termstat __P((void)),
add_slc __P((int, int, int)),
check_slc __P((void)),
change_slc __P((int, int, int)),
cleanup __P((int)),
clientstat __P((int, int, int)),
copy_termbuf __P((char *, int)),
deferslc __P((void)),
defer_terminit __P((void)),
do_opt_slc __P((unsigned char *, int)),
doeof __P((void)),
dooption __P((int)),
dontoption __P((int)),
edithost __P((char *, char *)),
fatal __P((int, const char *)),
fatalperror __P((int, const char *)),
get_slc_defaults __P((void)),
init_env __P((void)),
init_termbuf __P((void)),
interrupt __P((void)),
localstat __P((void)),
flowstat __P((void)),
netclear __P((void)),
netflush __P((void)),
#ifdef DIAGNOSTICS
printoption __P((const char *, int)),
printdata __P((char *, char *, int)),
#ifndef ENCRYPTION
printsub __P((int, unsigned char *, int)),
#endif
#endif
ptyflush __P((void)),
putchr __P((int)),
recv_ayt __P((void)),
send_do __P((int, int)),
send_dont __P((int, int)),
send_slc __P((void)),
send_status __P((void)),
send_will __P((int, int)),
send_wont __P((int, int)),
sendbrk __P((void)),
sendsusp __P((void)),
set_termbuf __P((void)),
start_login __P((char *, int, char *)),
start_slc __P((int)),
startslave __P((char *, int, char *)),
suboption __P((void)),
telrcv __P((void)),
ttloop __P((void)),
tty_binaryin __P((int)),
tty_binaryout __P((int));
extern char *
putf __P((char *, char *));
extern int
end_slc __P((unsigned char **)),
getnpty __P((void)),
getpty __P((int *)),
spcset __P((int, cc_t *, cc_t **)),
stilloob __P((int)),
terminit __P((void)),
termstat __P((void)),
tty_flowmode __P((void)),
tty_restartany __P((void)),
tty_isbinaryin __P((void)),
tty_isbinaryout __P((void)),
tty_iscrnl __P((void)),
tty_isecho __P((void)),
tty_isediting __P((void)),
tty_islitecho __P((void)),
tty_isnewmap __P((void)),
tty_israw __P((void)),
tty_issofttab __P((void)),
tty_istrapsig __P((void)),
tty_linemode __P((void));
extern void
tty_rspeed __P((int)),
tty_setecho __P((int)),
tty_setedit __P((int)),
tty_setlinemode __P((int)),
tty_setlitecho __P((int)),
tty_setsig __P((int)),
tty_setsofttab __P((int)),
tty_tspeed __P((int)),
willoption __P((int)),
wontoption __P((int)),
writenet __P((unsigned char *, int));
extern int output_data __P((const char *, ...))
__attribute__((__format__(__printf__, 1, 2)));
extern int output_datalen __P((const char *, size_t));
#ifdef ENCRYPTION
extern char *nclearto;
#endif /* ENCRYPTION */
/*
* The following are some clocks used to decide how to interpret
* the relationship between various variables.
*/
extern struct {
int
system, /* what the current time is */
echotoggle, /* last time user entered echo character */
modenegotiated, /* last time operating mode negotiated */
didnetreceive, /* last time we read data from network */
ttypesubopt, /* ttype subopt is received */
tspeedsubopt, /* tspeed subopt is received */
environsubopt, /* environ subopt is received */
oenvironsubopt, /* old environ subopt is received */
xdisplocsubopt, /* xdisploc subopt is received */
baseline, /* time started to do timed action */
gotDM; /* when did we last see a data mark */
} clocks;
#ifndef DEFAULT_IM
# define DEFAULT_IM "\r\n\r\n4.4 BSD UNIX (%h) (%t)\r\n\r\r\n\r"
#endif
#ifdef AUTHENTICATION
#include <libtelnet/auth.h>
#endif
#ifdef ENCRYPTION
#include <libtelnet/encrypt.h>
#endif
|