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
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
|
/* $OpenBSD: v3451.c,v 1.3 1996/06/26 05:40:55 deraadt Exp $ */
/* $NetBSD: v3451.c,v 1.4 1995/10/29 00:49:59 pk Exp $ */
/*
* Copyright (c) 1983, 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. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. 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.
*/
#ifndef lint
#if 0
static char sccsid[] = "@(#)v3451.c 8.1 (Berkeley) 6/6/93";
#endif
static char rcsid[] = "$OpenBSD: v3451.c,v 1.3 1996/06/26 05:40:55 deraadt Exp $";
#endif /* not lint */
/*
* Routines for calling up on a Vadic 3451 Modem
*/
#include "tip.h"
static jmp_buf Sjbuf;
v3451_dialer(num, acu)
register char *num;
char *acu;
{
sig_t func;
int ok;
int slow = number(value(BAUDRATE)) < 1200, rw = 2;
char phone[50];
struct termios cntrl;
#ifdef ACULOG
char line[80];
#endif
static int expect();
static void vawrite();
/*
* Get in synch
*/
vawrite("I\r", 1 + slow);
vawrite("I\r", 1 + slow);
vawrite("I\r", 1 + slow);
vawrite("\005\r", 2 + slow);
if (!expect("READY")) {
printf("can't synchronize with vadic 3451\n");
#ifdef ACULOG
logent(value(HOST), num, "vadic", "can't synch up");
#endif
return (0);
}
tcgetattr(FD, &cntrl);
term.c_cflag |= HUPCL;
tcsetattr(FD, TCSANOW, &cntrl);
sleep(1);
vawrite("D\r", 2 + slow);
if (!expect("NUMBER?")) {
printf("Vadic will not accept dial command\n");
#ifdef ACULOG
logent(value(HOST), num, "vadic", "will not accept dial");
#endif
return (0);
}
strcpy(phone, num);
strcat(phone, "\r");
vawrite(phone, 1 + slow);
if (!expect(phone)) {
printf("Vadic will not accept phone number\n");
#ifdef ACULOG
logent(value(HOST), num, "vadic", "will not accept number");
#endif
return (0);
}
func = signal(SIGINT,SIG_IGN);
/*
* You cannot interrupt the Vadic when its dialing;
* even dropping DTR does not work (definitely a
* brain damaged design).
*/
vawrite("\r", 1 + slow);
vawrite("\r", 1 + slow);
if (!expect("DIALING:")) {
printf("Vadic failed to dial\n");
#ifdef ACULOG
logent(value(HOST), num, "vadic", "failed to dial");
#endif
return (0);
}
if (boolean(value(VERBOSE)))
printf("\ndialing...");
ok = expect("ON LINE");
signal(SIGINT, func);
if (!ok) {
printf("call failed\n");
#ifdef ACULOG
logent(value(HOST), num, "vadic", "call failed");
#endif
return (0);
}
tcflush(FD, TCIOFLUSH);
return (1);
}
v3451_disconnect()
{
close(FD);
}
v3451_abort()
{
close(FD);
}
static void
vawrite(cp, delay)
register char *cp;
int delay;
{
for (; *cp; sleep(delay), cp++)
write(FD, cp, 1);
}
static
expect(cp)
register char *cp;
{
char buf[300];
register char *rp = buf;
int timeout = 30, online = 0;
static int notin();
static void alarmtr();
if (strcmp(cp, "\"\"") == 0)
return (1);
*rp = 0;
/*
* If we are waiting for the Vadic to complete
* dialing and get a connection, allow more time
* Unfortunately, the Vadic times out 24 seconds after
* the last digit is dialed
*/
online = strcmp(cp, "ON LINE") == 0;
if (online)
timeout = number(value(DIALTIMEOUT));
signal(SIGALRM, alarmtr);
if (setjmp(Sjbuf))
return (0);
alarm(timeout);
while (notin(cp, buf) && rp < buf + sizeof (buf) - 1) {
if (online && notin("FAILED CALL", buf) == 0)
return (0);
if (read(FD, rp, 1) < 0) {
alarm(0);
return (0);
}
if (*rp &= 0177)
rp++;
*rp = '\0';
}
alarm(0);
return (1);
}
static void
alarmtr()
{
longjmp(Sjbuf, 1);
}
static int
notin(sh, lg)
char *sh, *lg;
{
static int prefix();
for (; *lg; lg++)
if (prefix(sh, lg))
return (0);
return (1);
}
static
prefix(s1, s2)
register char *s1, *s2;
{
register char c;
while ((c = *s1++) == *s2++)
if (c == '\0')
return (1);
return (c == '\0');
}
|
