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15637ed4 RG |
1 | /* |
2 | * Copyright (c) 1988 Regents of the University of California. | |
3 | * All rights reserved. | |
4 | * | |
5 | * This code is derived from software contributed to Berkeley by | |
6 | * Rick Adams. | |
7 | * | |
8 | * Redistribution and use in source and binary forms, with or without | |
9 | * modification, are permitted provided that the following conditions | |
10 | * are met: | |
11 | * 1. Redistributions of source code must retain the above copyright | |
12 | * notice, this list of conditions and the following disclaimer. | |
13 | * 2. Redistributions in binary form must reproduce the above copyright | |
14 | * notice, this list of conditions and the following disclaimer in the | |
15 | * documentation and/or other materials provided with the distribution. | |
16 | * 3. All advertising materials mentioning features or use of this software | |
17 | * must display the following acknowledgement: | |
18 | * This product includes software developed by the University of | |
19 | * California, Berkeley and its contributors. | |
20 | * 4. Neither the name of the University nor the names of its contributors | |
21 | * may be used to endorse or promote products derived from this software | |
22 | * without specific prior written permission. | |
23 | * | |
24 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND | |
25 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
26 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
27 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE | |
28 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
29 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
30 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
31 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
32 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
33 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
34 | * SUCH DAMAGE. | |
35 | */ | |
36 | ||
37 | #ifndef lint | |
38 | char copyright[] = | |
39 | "@(#) Copyright (c) 1988 Regents of the University of California.\n\ | |
40 | All rights reserved.\n"; | |
41 | #endif /* not lint */ | |
42 | ||
43 | #ifndef lint | |
44 | static char sccsid[] = "@(#)slattach.c 4.6 (Berkeley) 6/1/90"; | |
45 | #endif /* not lint */ | |
46 | ||
47 | #include <sys/param.h> | |
48 | #include <sgtty.h> | |
49 | #include <sys/socket.h> | |
50 | #include <netinet/in.h> | |
51 | #include <net/if.h> | |
52 | #include <netdb.h> | |
53 | #include <fcntl.h> | |
54 | #include <stdio.h> | |
55 | #include <paths.h> | |
56 | ||
57 | #define DEFAULT_BAUD 9600 | |
58 | int slipdisc = SLIPDISC; | |
59 | ||
60 | char devname[32]; | |
61 | char hostname[MAXHOSTNAMELEN]; | |
62 | ||
63 | main(argc, argv) | |
64 | int argc; | |
65 | char *argv[]; | |
66 | { | |
67 | register int fd; | |
68 | register char *dev = argv[1]; | |
69 | struct sgttyb sgtty; | |
70 | int speed; | |
71 | ||
72 | if (argc < 2 || argc > 3) { | |
73 | fprintf(stderr, "usage: %s ttyname [baudrate]\n", argv[0]); | |
74 | exit(1); | |
75 | } | |
76 | speed = argc == 3 ? findspeed(atoi(argv[2])) : findspeed(DEFAULT_BAUD); | |
77 | if (speed == 0) { | |
78 | fprintf(stderr, "unknown speed %s", argv[2]); | |
79 | exit(1); | |
80 | } | |
81 | if (strncmp(_PATH_DEV, dev, sizeof(_PATH_DEV) - 1)) { | |
82 | (void)sprintf(devname, "%s/%s", _PATH_DEV, dev); | |
83 | dev = devname; | |
84 | } | |
85 | if ((fd = open(dev, O_RDWR | O_NDELAY)) < 0) { | |
86 | perror(dev); | |
87 | exit(1); | |
88 | } | |
89 | sgtty.sg_flags = RAW | ANYP; | |
90 | sgtty.sg_ispeed = sgtty.sg_ospeed = speed; | |
91 | if (ioctl(fd, TIOCSETP, &sgtty) < 0) { | |
92 | perror("ioctl(TIOCSETP)"); | |
93 | exit(1); | |
94 | } | |
95 | if (ioctl(fd, TIOCSETD, &slipdisc) < 0) { | |
96 | perror("ioctl(TIOCSETD)"); | |
97 | exit(1); | |
98 | } | |
99 | ||
100 | if (fork() > 0) | |
101 | exit(0); | |
102 | for (;;) | |
103 | sigpause(0L); | |
104 | } | |
105 | ||
106 | struct sg_spds { | |
107 | int sp_val, sp_name; | |
108 | } spds[] = { | |
109 | #ifdef B50 | |
110 | { 50, B50 }, | |
111 | #endif | |
112 | #ifdef B75 | |
113 | { 75, B75 }, | |
114 | #endif | |
115 | #ifdef B110 | |
116 | { 110, B110 }, | |
117 | #endif | |
118 | #ifdef B150 | |
119 | { 150, B150 }, | |
120 | #endif | |
121 | #ifdef B200 | |
122 | { 200, B200 }, | |
123 | #endif | |
124 | #ifdef B300 | |
125 | { 300, B300 }, | |
126 | #endif | |
127 | #ifdef B600 | |
128 | { 600, B600 }, | |
129 | #endif | |
130 | #ifdef B1200 | |
131 | { 1200, B1200 }, | |
132 | #endif | |
133 | #ifdef B1800 | |
134 | { 1800, B1800 }, | |
135 | #endif | |
136 | #ifdef B2000 | |
137 | { 2000, B2000 }, | |
138 | #endif | |
139 | #ifdef B2400 | |
140 | { 2400, B2400 }, | |
141 | #endif | |
142 | #ifdef B3600 | |
143 | { 3600, B3600 }, | |
144 | #endif | |
145 | #ifdef B4800 | |
146 | { 4800, B4800 }, | |
147 | #endif | |
148 | #ifdef B7200 | |
149 | { 7200, B7200 }, | |
150 | #endif | |
151 | #ifdef B9600 | |
152 | { 9600, B9600 }, | |
153 | #endif | |
154 | #ifdef EXTA | |
155 | { 19200, EXTA }, | |
156 | #endif | |
157 | #ifdef EXTB | |
158 | { 38400, EXTB }, | |
159 | #endif | |
160 | { 0, 0 } | |
161 | }; | |
162 | ||
163 | findspeed(speed) | |
164 | register int speed; | |
165 | { | |
166 | register struct sg_spds *sp; | |
167 | ||
168 | sp = spds; | |
169 | while (sp->sp_val && sp->sp_val != speed) | |
170 | sp++; | |
171 | return (sp->sp_name); | |
172 | } |