1 /* $OpenBSD: wsconscfg.c,v 1.18 2022/12/04 23:50:51 cheloha Exp $ */ 2 /* $NetBSD: wsconscfg.c,v 1.4 1999/07/29 18:24:10 augustss Exp $ */ 3 4 /* 5 * Copyright (c) 1999 6 * Matthias Drochner. All rights reserved. 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 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 * 28 */ 29 30 #include <sys/types.h> 31 #include <sys/time.h> 32 #include <sys/ioctl.h> 33 34 #include <stdio.h> 35 #include <stdlib.h> 36 #include <string.h> 37 #include <fcntl.h> 38 #include <unistd.h> 39 #include <err.h> 40 #include <errno.h> 41 42 #include <dev/wscons/wsconsio.h> 43 44 #define DEFDEV "/dev/ttyCcfg" 45 46 static void usage(void); 47 int main(int, char**); 48 49 static void 50 usage(void) 51 { 52 extern char *__progname; 53 54 (void)fprintf(stderr, 55 "usage: %s [-dFkm] [-e emul] [-f ctldev] [-t type] index\n", 56 __progname); 57 exit(1); 58 } 59 60 int 61 main(int argc, char *argv[]) 62 { 63 char *wsdev; 64 int c, delete, kbd, idx, wsfd, res, mux; 65 struct wsdisplay_addscreendata asd; 66 struct wsdisplay_delscreendata dsd; 67 struct wsmux_device wmd; 68 69 wsdev = DEFDEV; 70 delete = 0; 71 kbd = 0; 72 mux = 0; 73 asd.screentype[0] = 0; 74 asd.emul[0] = 0; 75 dsd.flags = 0; 76 77 while ((c = getopt(argc, argv, "f:dkmt:e:F")) != -1) { 78 switch (c) { 79 case 'f': 80 wsdev = optarg; 81 break; 82 case 'd': 83 delete = 1; 84 break; 85 case 'k': 86 kbd = 1; 87 break; 88 case 'm': 89 mux = 1; 90 kbd = 1; 91 break; 92 case 't': 93 strlcpy(asd.screentype, optarg, WSSCREEN_NAME_SIZE); 94 break; 95 case 'e': 96 strlcpy(asd.emul, optarg, WSEMUL_NAME_SIZE); 97 break; 98 case 'F': 99 dsd.flags |= WSDISPLAY_DELSCR_FORCE; 100 break; 101 default: 102 usage(); 103 break; 104 } 105 } 106 argc -= optind; 107 argv += optind; 108 109 if (kbd ? (argc > 1) : (argc != 1)) 110 usage(); 111 112 idx = -1; 113 if (argc > 0 && sscanf(argv[0], "%d", &idx) != 1) 114 errx(1, "invalid index"); 115 116 wsfd = open(wsdev, O_RDWR); 117 if (wsfd < 0) 118 err(2, "%s", wsdev); 119 120 if (kbd) { 121 if (mux) 122 wmd.type = WSMUX_MUX; 123 else 124 wmd.type = WSMUX_KBD; 125 wmd.idx = idx; 126 if (delete) { 127 res = ioctl(wsfd, WSMUXIO_REMOVE_DEVICE, &wmd); 128 if (res < 0) 129 err(3, "WSMUXIO_REMOVE_DEVICE"); 130 } else { 131 res = ioctl(wsfd, WSMUXIO_ADD_DEVICE, &wmd); 132 if (res < 0) 133 err(3, "WSMUXIO_ADD_DEVICE"); 134 } 135 } else if (delete) { 136 dsd.idx = idx; 137 res = ioctl(wsfd, WSDISPLAYIO_DELSCREEN, &dsd); 138 if (res < 0) 139 err(3, "WSDISPLAYIO_DELSCREEN"); 140 } else { 141 asd.idx = idx; 142 res = ioctl(wsfd, WSDISPLAYIO_ADDSCREEN, &asd); 143 if (res < 0) { 144 if (errno == EBUSY) 145 errx(3, "screen %d is already configured", idx); 146 else 147 err(3, "WSDISPLAYIO_ADDSCREEN"); 148 } 149 } 150 151 return (0); 152 } 153