LXR busybox/modutils/insmod.c

   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
  10//applet:IF_INSMOD(APPLET(insmod, BB_DIR_SBIN, BB_SUID_DROP))
  11
  12#include "libbb.h"
  13#include "modutils.h"
  14
  15/* 2.6 style insmod has no options and required filename
  16 * (not module name - .ko can't be omitted) */
  17
  18//usage:#if !ENABLE_MODPROBE_SMALL
  19//usage:#define insmod_trivial_usage
  20//usage:        IF_FEATURE_2_4_MODULES("[OPTIONS] MODULE ")
  21//usage:        IF_NOT_FEATURE_2_4_MODULES("FILE ")
  22//usage:        "[SYMBOL=VALUE]..."
  23//usage:#define insmod_full_usage "\n\n"
  24//usage:       "Load kernel module"
  25//usage:        IF_FEATURE_2_4_MODULES( "\n"
  26//usage:     "\n        -f      Force module to load into the wrong kernel version"
  27//usage:     "\n        -k      Make module autoclean-able"
  28//usage:     "\n        -v      Verbose"
  29//usage:     "\n        -q      Quiet"
  30//usage:     "\n        -L      Lock: prevent simultaneous loads"
  31//usage:        IF_FEATURE_INSMOD_LOAD_MAP(
  32//usage:     "\n        -m      Output load map to stdout"
  33//usage:        )
  34//usage:     "\n        -x      Don't export externs"
  35//usage:        )
  36//usage:#endif
  37
  38int insmod_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
  39int insmod_main(int argc UNUSED_PARAM, char **argv)
  40{
  41        char *filename;
  42        int rc;
  43
  44        /* Compat note:
  45         * 2.6 style insmod has no options and required filename
  46         * (not module name - .ko can't be omitted).
  47         * 2.4 style insmod can take module name without .o
  48         * and performs module search in default directories
  49         * or in $MODPATH.
  50         */
  51
  52        IF_FEATURE_2_4_MODULES(
  53                getopt32(argv, INSMOD_OPTS INSMOD_ARGS);
  54                argv += optind - 1;
  55        );
  56
  57        filename = *++argv;
  58        if (!filename)
  59                bb_show_usage();
  60
  61        rc = bb_init_module(filename, parse_cmdline_module_options(argv, /*quote_spaces:*/ 0));
  62        if (rc)
  63                bb_error_msg("can't insert '%s': %s", filename, moderror(rc));
  64
  65        return rc;
  66}
  67