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
|
/*
* Copyright (c) 1988, 1993
* The Regents of the University of California. All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* Rick Adams.
*
* 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
static char copyright[] =
"@(#) Copyright (c) 1988, 1993\n\
The Regents of the University of California. All rights reserved.\n";
#endif /* not lint */
#ifndef lint
static char sccsid[] = "@(#)slattach.c 8.2 (Berkeley) 1/7/94";
#endif /* not lint */
#include <sys/param.h>
#include <sgtty.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <net/if.h>
#include <netdb.h>
#include <fcntl.h>
#include <stdio.h>
#include <paths.h>
#define DEFAULT_BAUD 9600
int slipdisc = SLIPDISC;
char devname[32];
char hostname[MAXHOSTNAMELEN];
main(argc, argv)
int argc;
char *argv[];
{
register int fd;
register char *dev = argv[1];
struct sgttyb sgtty;
int speed;
if (argc < 2 || argc > 3) {
fprintf(stderr, "usage: %s ttyname [baudrate]\n", argv[0]);
exit(1);
}
speed = argc == 3 ? findspeed(atoi(argv[2])) : findspeed(DEFAULT_BAUD);
if (speed == 0) {
fprintf(stderr, "unknown speed %s", argv[2]);
exit(1);
}
if (strncmp(_PATH_DEV, dev, sizeof(_PATH_DEV) - 1)) {
(void)snprintf(devname, sizeof(devname),
"%s%s", _PATH_DEV, dev);
dev = devname;
}
if ((fd = open(dev, O_RDWR | O_NDELAY)) < 0) {
perror(dev);
exit(1);
}
sgtty.sg_flags = RAW | ANYP;
sgtty.sg_ispeed = sgtty.sg_ospeed = speed;
if (ioctl(fd, TIOCSETP, &sgtty) < 0) {
perror("ioctl(TIOCSETP)");
exit(1);
}
if (ioctl(fd, TIOCSETD, &slipdisc) < 0) {
perror("ioctl(TIOCSETD)");
exit(1);
}
if (fork() > 0)
exit(0);
for (;;)
sigpause(0L);
}
struct sg_spds {
int sp_val, sp_name;
} spds[] = {
#ifdef B50
{ 50, B50 },
#endif
#ifdef B75
{ 75, B75 },
#endif
#ifdef B110
{ 110, B110 },
#endif
#ifdef B150
{ 150, B150 },
#endif
#ifdef B200
{ 200, B200 },
#endif
#ifdef B300
{ 300, B300 },
#endif
#ifdef B600
{ 600, B600 },
#endif
#ifdef B1200
{ 1200, B1200 },
#endif
#ifdef B1800
{ 1800, B1800 },
#endif
#ifdef B2000
{ 2000, B2000 },
#endif
#ifdef B2400
{ 2400, B2400 },
#endif
#ifdef B3600
{ 3600, B3600 },
#endif
#ifdef B4800
{ 4800, B4800 },
#endif
#ifdef B7200
{ 7200, B7200 },
#endif
#ifdef B9600
{ 9600, B9600 },
#endif
#ifdef EXTA
{ 19200, EXTA },
#endif
#ifdef EXTB
{ 38400, EXTB },
#endif
{ 0, 0 }
};
findspeed(speed)
register int speed;
{
register struct sg_spds *sp;
sp = spds;
while (sp->sp_val && sp->sp_val != speed)
sp++;
return (sp->sp_name);
}
|
