blob: 8526979ebe32bbfe12e713b7ac38693e3fa62eb5 [file] [log] [blame]
Erik Andersene49d5ec2000-02-08 19:58:47 +00001/* vi: set sw=4 ts=4: */
Erik Andersen02104321999-12-17 18:57:34 +00002/*
3 * Mini insmod implementation for busybox
Eric Andersen2835efe2001-07-25 16:58:58 +00004 *
Denis Vlasenkoba1315d2008-09-13 14:59:38 +00005 * Copyright (C) 2008 Timo Teras <timo.teras@iki.fi>
Erik Andersen02104321999-12-17 18:57:34 +00006 *
Denys Vlasenko0ef64bd2010-08-16 20:14:46 +02007 * Licensed under GPLv2 or later, see file LICENSE in this source tree.
Erik Andersen02104321999-12-17 18:57:34 +00008 */
Denys Vlasenkoe32b64c2016-11-23 07:54:52 +01009//config:config INSMOD
10//config: bool "insmod"
Denys Vlasenko3bf4d692016-12-23 15:22:44 +010011//config: default y
Denys Vlasenkoe32b64c2016-11-23 07:54:52 +010012//config: select PLATFORM_LINUX
13//config: help
14//config: insmod is used to load specified modules in the running kernel.
Erik Andersen02104321999-12-17 18:57:34 +000015
Denys Vlasenkoa1cd0d92016-12-23 15:12:27 +010016//applet:IF_INSMOD(IF_NOT_MODPROBE_SMALL(APPLET(insmod, BB_DIR_SBIN, BB_SUID_DROP)))
Denys Vlasenkoc15613c2010-10-15 11:29:02 +020017
Denys Vlasenkoa1cd0d92016-12-23 15:12:27 +010018//kbuild:ifneq ($(CONFIG_MODPROBE_SMALL),y)
Denys Vlasenkoe32b64c2016-11-23 07:54:52 +010019//kbuild:lib-$(CONFIG_INSMOD) += insmod.o modutils.o
Denys Vlasenkoa1cd0d92016-12-23 15:12:27 +010020//kbuild:endif
Denys Vlasenkoe32b64c2016-11-23 07:54:52 +010021
Denis Vlasenkob6adbf12007-05-26 19:00:18 +000022#include "libbb.h"
Denis Vlasenkoba1315d2008-09-13 14:59:38 +000023#include "modutils.h"
Eric Andersene7047882003-12-11 01:42:13 +000024
Pascal Bellardb82b34e2010-06-07 01:16:45 +020025/* 2.6 style insmod has no options and required filename
26 * (not module name - .ko can't be omitted) */
27
Denys Vlasenko1a5e11c2010-10-16 01:56:41 +020028//usage:#if !ENABLE_MODPROBE_SMALL
Pascal Bellardb82b34e2010-06-07 01:16:45 +020029//usage:#define insmod_trivial_usage
Kang-Che Sungb1d6a2c2017-01-31 21:09:17 +080030//usage: IF_FEATURE_2_4_MODULES("[OPTIONS] MODULE")
31//usage: IF_NOT_FEATURE_2_4_MODULES("FILE")
32//usage: IF_FEATURE_CMDLINE_MODULE_OPTIONS(" [SYMBOL=VALUE]...")
Pascal Bellardb82b34e2010-06-07 01:16:45 +020033//usage:#define insmod_full_usage "\n\n"
Denys Vlasenko5fd3ddf2014-04-19 15:04:39 +020034//usage: "Load kernel module"
Pascal Bellardb82b34e2010-06-07 01:16:45 +020035//usage: IF_FEATURE_2_4_MODULES( "\n"
Pascal Bellardb82b34e2010-06-07 01:16:45 +020036//usage: "\n -f Force module to load into the wrong kernel version"
37//usage: "\n -k Make module autoclean-able"
38//usage: "\n -v Verbose"
39//usage: "\n -q Quiet"
40//usage: "\n -L Lock: prevent simultaneous loads"
41//usage: IF_FEATURE_INSMOD_LOAD_MAP(
42//usage: "\n -m Output load map to stdout"
43//usage: )
44//usage: "\n -x Don't export externs"
45//usage: )
Denys Vlasenko1a5e11c2010-10-16 01:56:41 +020046//usage:#endif
Pascal Bellardb82b34e2010-06-07 01:16:45 +020047
Denis Vlasenkob68979a2007-11-02 23:31:10 +000048int insmod_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
Denis Vlasenkoa60f84e2008-07-05 09:18:54 +000049int insmod_main(int argc UNUSED_PARAM, char **argv)
Eric Andersene7047882003-12-11 01:42:13 +000050{
Denis Vlasenkoba1315d2008-09-13 14:59:38 +000051 char *filename;
52 int rc;
53
Denis Vlasenko36309cf2008-11-22 18:29:01 +000054 /* Compat note:
55 * 2.6 style insmod has no options and required filename
56 * (not module name - .ko can't be omitted).
Bernhard Reutner-Fischer9a280fa2008-11-22 20:30:53 +000057 * 2.4 style insmod can take module name without .o
Denis Vlasenko36309cf2008-11-22 18:29:01 +000058 * and performs module search in default directories
59 * or in $MODPATH.
60 */
61
Denis Vlasenko5e34ff22009-04-21 11:09:40 +000062 IF_FEATURE_2_4_MODULES(
Denis Vlasenkoba1315d2008-09-13 14:59:38 +000063 getopt32(argv, INSMOD_OPTS INSMOD_ARGS);
Denis Vlasenko36309cf2008-11-22 18:29:01 +000064 argv += optind - 1;
Denis Vlasenkoba1315d2008-09-13 14:59:38 +000065 );
Eric Andersen3b1a7442003-12-24 20:30:45 +000066
Denis Vlasenko92297942006-11-21 11:58:14 +000067 filename = *++argv;
68 if (!filename)
Eric Andersene7047882003-12-11 01:42:13 +000069 bb_show_usage();
Eric Andersene7047882003-12-11 01:42:13 +000070
Denys Vlasenkoc5830bd2011-02-02 00:00:36 +010071 rc = bb_init_module(filename, parse_cmdline_module_options(argv, /*quote_spaces:*/ 0));
Denis Vlasenkoba1315d2008-09-13 14:59:38 +000072 if (rc)
Denis Vlasenko1f632292009-04-13 02:25:40 +000073 bb_error_msg("can't insert '%s': %s", filename, moderror(rc));
Eric Andersene7047882003-12-11 01:42:13 +000074
Denis Vlasenkoba1315d2008-09-13 14:59:38 +000075 return rc;
Eric Andersene7047882003-12-11 01:42:13 +000076}