1 /* vi: set sw=4 ts=4: */
2 /*
3 * Mini insmod implementation for busybox
4 *
5 * Copyright (C) 2008 Timo Teras <timo.teras@iki.fi>
6 *
7 * Licensed under GPLv2 or later, see file LICENSE in this source tree.
8 */
9 //config:config INSMOD
10 //config: bool "insmod (22 kb)"
11 //config: default y
12 //config: help
13 //config: insmod is used to load specified modules in the running kernel.
14
15 //applet:IF_INSMOD(IF_NOT_MODPROBE_SMALL(APPLET_NOEXEC(insmod, insmod, BB_DIR_SBIN, BB_SUID_DROP, insmod)))
16
17 //kbuild:ifneq ($(CONFIG_MODPROBE_SMALL),y)
18 //kbuild:lib-$(CONFIG_INSMOD) += insmod.o modutils.o
19 //kbuild:endif
20
21 #include "libbb.h"
22 #include "modutils.h"
23
24 /* 2.6 style insmod has no options and required filename
25 * (not module name - .ko can't be omitted) */
26
27 //usage:#if !ENABLE_MODPROBE_SMALL
28 //usage:#define insmod_trivial_usage
29 //usage: IF_FEATURE_2_4_MODULES("[-fkvqLx] MODULE")
30 //usage: IF_NOT_FEATURE_2_4_MODULES("FILE")
31 //usage: IF_FEATURE_CMDLINE_MODULE_OPTIONS(" [SYMBOL=VALUE]...")
32 //usage:#define insmod_full_usage "\n\n"
33 //usage: "Load kernel module"
34 //usage: IF_FEATURE_2_4_MODULES( "\n"
35 //usage: "\n -f Force module to load into the wrong kernel version"
36 //usage: "\n -k Make module autoclean-able"
37 //usage: "\n -v Verbose"
38 //usage: "\n -q Quiet"
39 //usage: "\n -L Lock: prevent simultaneous loads"
40 //usage: IF_FEATURE_INSMOD_LOAD_MAP(
41 //usage: "\n -m Output load map to stdout"
42 //usage: )
43 //usage: "\n -x Don't export externs"
44 //usage: )
45 //usage:#endif
46
47 int insmod_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
insmod_main(int argc UNUSED_PARAM,char ** argv)48 int insmod_main(int argc UNUSED_PARAM, char **argv)
49 {
50 char *filename;
51 int rc;
52
53 /* Compat note:
54 * 2.6 style insmod has no options and required filename
55 * (not module name - .ko can't be omitted).
56 * 2.4 style insmod can take module name without .o
57 * and performs module search in default directories
58 * or in $MODPATH.
59 */
60
61 IF_FEATURE_2_4_MODULES(
62 getopt32(argv, INSMOD_OPTS INSMOD_ARGS);
63 argv += optind - 1;
64 );
65
66 filename = *++argv;
67 if (!filename)
68 bb_show_usage();
69
70 rc = bb_init_module(filename, parse_cmdline_module_options(argv, /*quote_spaces:*/ 0));
71 if (rc)
72 bb_error_msg("can't insert '%s': %s", filename, moderror(rc));
73
74 return rc;
75 }
76