projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| 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 | } |