114 lines
2.8 KiB
C
114 lines
2.8 KiB
C
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/*
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* Mini insmod implementation for busybox
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*
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* Copyright (C) 1999 by Lineo, inc.
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* Written by Erik Andersen <andersen@lineo.com>, <andersee@debian.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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*/
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#include "internal.h"
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#include <stdlib.h>
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#include <stdio.h>
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#include <errno.h>
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#include <unistd.h>
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#include <dirent.h>
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#include <sys/syscall.h>
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#include <linux/module.h>
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/* Some firendly syscalls to cheer everyone's day... */
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_syscall2(int, init_module, const char *, name,
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const struct module *, info)
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#ifndef BB_RMMOD
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_syscall1(int, delete_module, const char *, name)
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#else
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extern int delete_module(const char *);
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#endif
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#if defined(__i386__) || defined(__m68k__) || defined(__arm__)
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/* Jump through hoops to fixup error return codes */
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#define __NR__create_module __NR_create_module
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static inline _syscall2(long, _create_module, const char *, name, size_t, size)
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unsigned long create_module(const char *name, size_t size)
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{
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long ret = _create_module(name, size);
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if (ret == -1 && errno > 125) {
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ret = -errno;
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errno = 0;
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}
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return ret;
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}
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#else
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_syscall2(unsigned long, create_module, const char *, name, size_t, size)
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#endif
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static const char insmod_usage[] =
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"insmod [OPTION]... MODULE [symbol=value]...\n\n"
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"Loads the specified kernel modules into the kernel.\n\n"
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"Options:\n"
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"\t-f\tForce module to load into the wrong kernel version.\n"
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"\t-k\tMake module autoclean-able.\n";
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extern int insmod_main(int argc, char **argv)
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{
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int len;
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char m_name[PATH_MAX];
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char* tmp;
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if (argc<=1) {
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usage( insmod_usage);
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}
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/* Parse any options */
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while (--argc > 0 && **(++argv) == '-') {
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while (*(++(*argv))) {
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switch (**argv) {
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case 'f':
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break;
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case 'k':
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break;
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default:
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usage(insmod_usage);
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}
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}
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}
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if (argc <= 0 )
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usage(insmod_usage);
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/* Grab the module name */
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if ((tmp = strrchr(*argv, '/')) != NULL)
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tmp++;
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else
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tmp = *argv;
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len = strlen(tmp);
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if (len > 2 && tmp[len - 2] == '.' && tmp[len - 1] == 'o')
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len -= 2;
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memcpy(m_name, tmp, len);
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fprintf(stderr, "m_name='%s'\n", m_name);
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exit( TRUE);
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}
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