/* * Copyright (c) 1993 Terrence R. Lambert. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by Terrence R. Lambert. * 4. The name Terrence R. Lambert may not be used to endorse or promote * products derived from this software without specific prior written * permission. * * THIS SOFTWARE IS PROVIDED BY TERRENCE R. LAMBERT ``AS IS'' AND ANY * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE TERRENCE R. LAMBERT BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * $Id: modstat.c,v 1.1 1995/10/18 08:45:48 deraadt Exp $ */ #include #include #include #include #include #include #include #include #include #include #include #include #include "pathnames.h" void usage() { fprintf(stderr, "usage:\n"); fprintf(stderr, "modstat [-i ] [-n ]\n"); exit(1); } static char *type_names[] = { "SYSCALL", "VFS", "DEV", "STRMOD", "EXEC", "MISC" }; int dostat(devfd, modnum, modname) int devfd; int modnum; char *modname; { struct lmc_stat sbuf; if (modname != NULL) strcpy(sbuf.name, modname); sbuf.id = modnum; if (ioctl(devfd, LMSTAT, &sbuf) == -1) { switch (errno) { case EINVAL: /* out of range */ return 2; case ENOENT: /* no such entry */ return 1; default: /* other error (EFAULT, etc) */ warn("LMSTAT"); return 4; } } /* * Decode this stat buffer... */ printf("%-7s %3d %3d %08x %04x %8x %3d %s\n", type_names[sbuf.type], sbuf.id, /* module id */ sbuf.offset, /* offset into modtype struct */ sbuf.area, /* address module loaded at */ sbuf.size, /* size in pages(K) */ sbuf.private, /* kernel address of private area */ sbuf.ver, /* Version; always 1 for now */ sbuf.name /* name from private area */ ); /* * Done (success). */ return 0; } int devfd; void cleanup() { close(devfd); } int main(argc, argv) int argc; char *argv[]; { int c; int modnum = -1; char *modname = NULL; while ((c = getopt(argc, argv, "i:n:")) != EOF) { switch (c) { case 'i': modnum = atoi(optarg); break; /* number */ case 'n': modname = optarg; break; /* name */ case '?': usage(); default: printf("default!\n"); break; } } argc -= optind; argv += optind; if (argc != 0) usage(); /* * Open the virtual device device driver for exclusive use (needed * to ioctl() to retrive the loaded module(s) status). */ if ((devfd = open(_PATH_LKM, O_RDONLY, 0)) == -1) err(2, _PATH_LKM); atexit(cleanup); printf("Type Id Off Loadaddr Size Info Rev Module Name\n"); /* * Oneshot? */ if (modnum != -1 || modname != NULL) { if (dostat(devfd, modnum, modname)) exit(3); exit(0); } /* * Start at 0 and work up until "EINVAL". */ for (modnum = 0; dostat(devfd, modnum, NULL) < 2; modnum++) ; exit(0); }