projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| 00c2d469 MK |
1 | #ifndef lint |
| 2 | static char sccsid[] = "@(#)slattach.c 4.1 (Berkeley) %G%"; | |
| 3 | #endif | |
| 43660e2e | 4 | #include <stdio.h> |
| 00c2d469 | 5 | #include <sys/param.h> |
| 43660e2e MK |
6 | #include <sgtty.h> |
| 7 | #include <sys/socket.h> | |
| 8 | #include <netinet/in.h> | |
| 9 | #include <net/if.h> | |
| 10 | #include <netdb.h> | |
| 11 | #include <fcntl.h> | |
| 12 | ||
| 13 | #ifndef lint | |
| 14 | static char rcsid[] = "$Header: slattach.c,v 1.1 84/10/04 12:57:12 rick Exp $"; | |
| 15 | #endif | |
| 16 | ||
| 43660e2e MK |
17 | #define DEFAULT_BAUD 9600 |
| 18 | int speed; | |
| 19 | int slipdisc = SLIPDISC; | |
| 20 | ||
| 21 | char devname[32]; | |
| 00c2d469 | 22 | char hostname[MAXHOSTNAMELEN]; |
| 43660e2e MK |
23 | |
| 24 | extern int errno; | |
| 25 | ||
| 26 | main(argc, argv) | |
| 27 | int argc; | |
| 28 | char *argv[]; | |
| 29 | { | |
| 30 | register FILE *fp; | |
| 31 | register int fd; | |
| 32 | register char *dev = argv[1]; | |
| 33 | struct sgttyb sgtty; | |
| 34 | int n; | |
| 35 | ||
| 00c2d469 MK |
36 | if (argc < 2 || argc > 3) { |
| 37 | fprintf(stderr, "usage: %s ttyname [baudrate]\n", argv[0]); | |
| 38 | exit(1); | |
| 39 | } | |
| 40 | speed = argc == 3 ? findspeed(atoi(argv[2])) : findspeed(DEFAULT_BAUD); | |
| 41 | if (speed == 0) { | |
| 42 | fprintf(stderr, "unknown speed %s", argv[2]); | |
| 43 | exit(1); | |
| 44 | } | |
| 43660e2e MK |
45 | if (strncmp("/dev/", dev, 5)) { |
| 46 | sprintf(devname, "/dev/%s", dev); | |
| 47 | dev = devname; | |
| 48 | } | |
| 00c2d469 MK |
49 | if ((fd = open(dev, O_RDWR | O_NDELAY)) < 0) { |
| 50 | perror(dev); | |
| 51 | exit(1); | |
| 52 | } | |
| 43660e2e MK |
53 | sgtty.sg_flags = RAW | ANYP; |
| 54 | sgtty.sg_ispeed = sgtty.sg_ospeed = speed; | |
| 00c2d469 MK |
55 | if (ioctl(fd, TIOCSETP, &sgtty) < 0) { |
| 56 | perror("ioctl(TIOCSETP)"); | |
| 57 | exit(1); | |
| 58 | } | |
| 59 | if (ioctl(fd, TIOCSETD, &slipdisc) < 0) { | |
| 60 | perror("ioctl(TIOCSETD)"); | |
| 61 | exit(1); | |
| 62 | } | |
| 43660e2e | 63 | |
| 00c2d469 MK |
64 | if (fork() > 0) |
| 65 | exit(0); | |
| 43660e2e MK |
66 | for (;;) |
| 67 | sigpause(0); | |
| 68 | } | |
| 69 | ||
| 70 | struct sg_spds { | |
| 71 | int sp_val, sp_name; | |
| 72 | } spds[] = { | |
| 73 | #ifdef B50 | |
| 74 | { 50, B50 }, | |
| 75 | #endif | |
| 76 | #ifdef B75 | |
| 77 | { 75, B75 }, | |
| 78 | #endif | |
| 79 | #ifdef B110 | |
| 80 | { 110, B110 }, | |
| 81 | #endif | |
| 82 | #ifdef B150 | |
| 83 | { 150, B150 }, | |
| 84 | #endif | |
| 85 | #ifdef B200 | |
| 86 | { 200, B200 }, | |
| 87 | #endif | |
| 88 | #ifdef B300 | |
| 89 | { 300, B300 }, | |
| 90 | #endif | |
| 91 | #ifdef B600 | |
| 92 | { 600, B600 }, | |
| 93 | #endif | |
| 94 | #ifdef B1200 | |
| 95 | { 1200, B1200 }, | |
| 96 | #endif | |
| 97 | #ifdef B1800 | |
| 98 | { 1800, B1800 }, | |
| 99 | #endif | |
| 100 | #ifdef B2000 | |
| 101 | { 2000, B2000 }, | |
| 102 | #endif | |
| 103 | #ifdef B2400 | |
| 104 | { 2400, B2400 }, | |
| 105 | #endif | |
| 106 | #ifdef B3600 | |
| 107 | { 3600, B3600 }, | |
| 108 | #endif | |
| 109 | #ifdef B4800 | |
| 110 | { 4800, B4800 }, | |
| 111 | #endif | |
| 112 | #ifdef B7200 | |
| 113 | { 7200, B7200 }, | |
| 114 | #endif | |
| 115 | #ifdef B9600 | |
| 116 | { 9600, B9600 }, | |
| 117 | #endif | |
| 118 | #ifdef EXTA | |
| 119 | { 19200, EXTA }, | |
| 120 | #endif | |
| 121 | #ifdef EXTB | |
| 122 | { 38400, EXTB }, | |
| 123 | #endif | |
| 124 | { 0, 0 } | |
| 125 | }; | |
| 126 | ||
| 127 | findspeed(speed) | |
| 128 | register int speed; | |
| 129 | { | |
| 130 | register struct sg_spds *sp; | |
| 131 | ||
| 132 | sp = spds; | |
| 133 | while (sp->sp_val && sp->sp_val != speed) | |
| 134 | sp++; | |
| 135 | return (sp->sp_name); | |
| 136 | } |