aboutsummaryrefslogtreecommitdiff
path: root/modutils/insmod.c
blob: 6f448f34ddeb5953c8da9fa9bcb0e56b8ebe44d7 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
/* vi: set sw=4 ts=4: */
/*
 * Mini insmod implementation for busybox
 *
 * Copyright (C) 2008 Timo Teras <timo.teras@iki.fi>
 *
 * Licensed under GPLv2 or later, see file LICENSE in this source tree.
 */
//config:config INSMOD
//config:	bool "insmod (22 kb)"
//config:	default y
//config:	select PLATFORM_LINUX
//config:	help
//config:	  insmod is used to load specified modules in the running kernel.

//applet:IF_INSMOD(IF_NOT_MODPROBE_SMALL(APPLET(insmod, BB_DIR_SBIN, BB_SUID_DROP)))

//kbuild:ifneq ($(CONFIG_MODPROBE_SMALL),y)
//kbuild:lib-$(CONFIG_INSMOD) += insmod.o modutils.o
//kbuild:endif

#include "libbb.h"
#include "modutils.h"

/* 2.6 style insmod has no options and required filename
 * (not module name - .ko can't be omitted) */

//usage:#if !ENABLE_MODPROBE_SMALL
//usage:#define insmod_trivial_usage
//usage:	IF_FEATURE_2_4_MODULES("[OPTIONS] MODULE")
//usage:	IF_NOT_FEATURE_2_4_MODULES("FILE")
//usage:	IF_FEATURE_CMDLINE_MODULE_OPTIONS(" [SYMBOL=VALUE]...")
//usage:#define insmod_full_usage "\n\n"
//usage:       "Load kernel module"
//usage:	IF_FEATURE_2_4_MODULES( "\n"
//usage:     "\n	-f	Force module to load into the wrong kernel version"
//usage:     "\n	-k	Make module autoclean-able"
//usage:     "\n	-v	Verbose"
//usage:     "\n	-q	Quiet"
//usage:     "\n	-L	Lock: prevent simultaneous loads"
//usage:	IF_FEATURE_INSMOD_LOAD_MAP(
//usage:     "\n	-m	Output load map to stdout"
//usage:	)
//usage:     "\n	-x	Don't export externs"
//usage:	)
//usage:#endif

int insmod_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
int insmod_main(int argc UNUSED_PARAM, char **argv)
{
	char *filename;
	int rc;

	/* Compat note:
	 * 2.6 style insmod has no options and required filename
	 * (not module name - .ko can't be omitted).
	 * 2.4 style insmod can take module name without .o
	 * and performs module search in default directories
	 * or in $MODPATH.
	 */

	IF_FEATURE_2_4_MODULES(
		getopt32(argv, INSMOD_OPTS INSMOD_ARGS);
		argv += optind - 1;
	);

	filename = *++argv;
	if (!filename)
		bb_show_usage();

	rc = bb_init_module(filename, parse_cmdline_module_options(argv, /*quote_spaces:*/ 0));
	if (rc)
		bb_error_msg("can't insert '%s': %s", filename, moderror(rc));

	return rc;
}