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