1/*- 2 * Copyright (c) 2002, 2003 Greg Lehey 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 ``as is'' and any express 15 * or implied warranties, including, but not limited to, the implied 16 * warranties of merchantability and fitness for a particular purpose 17 * are disclaimed. In no event shall the author be liable for any 18 * direct, indirect, incidental, special, exemplary, or consequential 19 * damages (including, but not limited to, procurement of substitute 20 * goods or services; loss of use, data, or profits; or business 21 * interruption) however caused and on any theory of liability, 22 * whether in contract, strict liability, or tort (including 23 * negligence or otherwise) arising in any way out of the use of this 24 * software, even if advised of the possibility of such damage. 25 */ 26 27#include <sys/cdefs.h> 28__FBSDID("$FreeBSD$"); 29 30#include <sys/types.h> 31#include <err.h> 32#include <inttypes.h> 33#include <limits.h> 34#include <stdio.h> 35#include <string.h> 36 37#include "asf.h" 38 39/* 40 * Get the linker file list from kldstat(8) output. 41 * The "run" flag tells if kldstat(8) should run now. 42 * Of course, kldstat(1) can run in a live system only, but its output 43 * can be saved beforehand and fed to this function later via stdin. 44 */ 45void 46asf_prog(int run) 47{ 48 char buf[LINE_MAX]; 49 char *token[MAXTOKEN]; 50 char *endp; 51 FILE *kldstat; 52 caddr_t base; 53 int tokens; 54 55 if (run) { 56 if ((kldstat = popen("kldstat", "r")) == NULL) 57 err(2, "can't start kldstat"); 58 } else 59 kldstat = stdin; 60 61 while (fgets(buf, sizeof(buf), kldstat)) { 62 /* Skip header line and main kernel file */ 63 if (buf[0] == 'I' || strstr(buf, KERNFILE)) 64 continue; 65 tokens = tokenize(buf, token, MAXTOKEN); 66 if (tokens < 4) 67 continue; 68 base = (caddr_t)(uintptr_t)strtoumax(token[2], &endp, 16); 69 if (endp == NULL || *endp != '\0') 70 continue; 71 kfile_add(token[4], base); 72 } 73} 74