blob: 5949fe5519c382ee28983f12c9a293a6a01b271b
| 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" |
| 11 | //config: default n |
| 12 | //config: select PLATFORM_LINUX |
| 13 | //config: help |
| 14 | //config: insmod is used to load specified modules in the running kernel. |
| 15 | |
| 16 | //applet:IF_INSMOD(IF_NOT_MODPROBE_SMALL(APPLET(insmod, BB_DIR_SBIN, BB_SUID_DROP))) |
| 17 | |
| 18 | //kbuild:ifneq ($(CONFIG_MODPROBE_SMALL),y) |
| 19 | //kbuild:lib-$(CONFIG_INSMOD) += insmod.o modutils.o |
| 20 | //kbuild:endif |
| 21 | |
| 22 | #include "libbb.h" |
| 23 | #include "modutils.h" |
| 24 | |
| 25 | /* 2.6 style insmod has no options and required filename |
| 26 | * (not module name - .ko can't be omitted) */ |
| 27 | |
| 28 | //usage:#if !ENABLE_MODPROBE_SMALL |
| 29 | //usage:#define insmod_trivial_usage |
| 30 | //usage: IF_FEATURE_2_4_MODULES("[OPTIONS] MODULE ") |
| 31 | //usage: IF_NOT_FEATURE_2_4_MODULES("FILE ") |
| 32 | //usage: "[SYMBOL=VALUE]..." |
| 33 | //usage:#define insmod_full_usage "\n\n" |
| 34 | //usage: "Load kernel module" |
| 35 | //usage: IF_FEATURE_2_4_MODULES( "\n" |
| 36 | //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: ) |
| 46 | //usage:#endif |
| 47 | |
| 48 | int insmod_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE; |
| 49 | int insmod_main(int argc UNUSED_PARAM, char **argv) |
| 50 | { |
| 51 | char *filename; |
| 52 | int rc; |
| 53 | |
| 54 | /* Compat note: |
| 55 | * 2.6 style insmod has no options and required filename |
| 56 | * (not module name - .ko can't be omitted). |
| 57 | * 2.4 style insmod can take module name without .o |
| 58 | * and performs module search in default directories |
| 59 | * or in $MODPATH. |
| 60 | */ |
| 61 | |
| 62 | IF_FEATURE_2_4_MODULES( |
| 63 | getopt32(argv, INSMOD_OPTS INSMOD_ARGS); |
| 64 | argv += optind - 1; |
| 65 | ); |
| 66 | |
| 67 | filename = *++argv; |
| 68 | if (!filename) |
| 69 | bb_show_usage(); |
| 70 | |
| 71 | rc = bb_init_module(filename, parse_cmdline_module_options(argv, /*quote_spaces:*/ 0)); |
| 72 | if (rc) |
| 73 | bb_error_msg("can't insert '%s': %s", filename, moderror(rc)); |
| 74 | |
| 75 | return rc; |
| 76 | } |
| 77 |