1 /*- 2 * Copyright (c) 1997 Doug Rabson 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 * 26 * $FreeBSD: src/sbin/kldload/kldload.c,v 1.6.2.2 2002/12/07 08:44:02 jmallett Exp $ 27 * $DragonFly: src/sbin/kldload/kldload.c,v 1.3 2005/04/02 16:04:41 liamfoy Exp $ 28 */ 29 #include <sys/param.h> 30 #include <sys/linker.h> 31 32 #include <err.h> 33 #include <errno.h> 34 #include <stdio.h> 35 #include <stdlib.h> 36 #include <unistd.h> 37 38 static void 39 usage(void) 40 { 41 fprintf(stderr, "usage: kldload [-nv] file ...\n"); 42 exit(1); 43 } 44 45 int 46 main(int argc, char **argv) 47 { 48 int c; 49 int errors; 50 int fileid; 51 int verbose; 52 int check_loaded; 53 54 errors = 0; 55 verbose = 0; 56 check_loaded = 0; 57 58 while ((c = getopt(argc, argv, "nv")) != -1) 59 switch (c) { 60 case 'n': 61 check_loaded = 1; 62 break; 63 case 'v': 64 verbose = 1; 65 break; 66 default: 67 usage(); 68 } 69 argc -= optind; 70 argv += optind; 71 72 if (argc == 0) 73 usage(); 74 75 while (argc-- != 0) { 76 fileid = kldload(argv[0]); 77 if (fileid < 0) { 78 if (check_loaded != 0 && errno == EEXIST) { 79 if (verbose) 80 printf("%s is already loaded\n", argv[0]); 81 } else { 82 switch (errno) { 83 case EEXIST: 84 warnx("can't load %s: module already loaded or " 85 "in kernel", argv[0]); 86 break; 87 case ENOEXEC: 88 warnx("an error occurred while loading the module. " 89 "Please check dmesg(8) for more details."); 90 break; 91 default: 92 warn("can't load %s", argv[0]); 93 break; 94 } 95 errors++; 96 } 97 } else { 98 if (verbose) 99 printf("Loaded %s, id=%d\n", argv[0], fileid); 100 } 101 argv++; 102 } 103 104 return errors ? 1 : 0; 105 } 106