diff options
| -rw-r--r-- | insmod.c | 113 | ||||
| -rw-r--r-- | modutils/insmod.c | 113 |
2 files changed, 226 insertions, 0 deletions
diff --git a/insmod.c b/insmod.c new file mode 100644 index 000000000..9a0daa73b --- /dev/null +++ b/insmod.c @@ -0,0 +1,113 @@ +/* + * Mini insmod implementation for busybox + * + * Copyright (C) 1999 by Lineo, inc. + * Written by Erik Andersen <andersen@lineo.com>, <andersee@debian.org> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + */ + +#include "internal.h" +#include <stdlib.h> +#include <stdio.h> +#include <errno.h> +#include <unistd.h> +#include <dirent.h> +#include <sys/syscall.h> +#include <linux/module.h> + +/* Some firendly syscalls to cheer everyone's day... */ +_syscall2(int, init_module, const char *, name, + const struct module *, info) + +#ifndef BB_RMMOD +_syscall1(int, delete_module, const char *, name) +#else +extern int delete_module(const char *); +#endif + +#if defined(__i386__) || defined(__m68k__) || defined(__arm__) +/* Jump through hoops to fixup error return codes */ +#define __NR__create_module __NR_create_module +static inline _syscall2(long, _create_module, const char *, name, size_t, size) +unsigned long create_module(const char *name, size_t size) +{ + long ret = _create_module(name, size); + if (ret == -1 && errno > 125) { + ret = -errno; + errno = 0; + } + return ret; +} +#else +_syscall2(unsigned long, create_module, const char *, name, size_t, size) +#endif + + +static const char insmod_usage[] = + "insmod [OPTION]... MODULE [symbol=value]...\n\n" + "Loads the specified kernel modules into the kernel.\n\n" + "Options:\n" + "\t-f\tForce module to load into the wrong kernel version.\n" + "\t-k\tMake module autoclean-able.\n"; + + + +extern int insmod_main(int argc, char **argv) +{ + int len; + char m_name[PATH_MAX]; + char* tmp; + + + + if (argc<=1) { + usage( insmod_usage); + } + + /* Parse any options */ + while (--argc > 0 && **(++argv) == '-') { + while (*(++(*argv))) { + switch (**argv) { + case 'f': + break; + case 'k': + break; + default: + usage(insmod_usage); + } + } + } + + if (argc <= 0 ) + usage(insmod_usage); + + /* Grab the module name */ + if ((tmp = strrchr(*argv, '/')) != NULL) + tmp++; + else + tmp = *argv; + len = strlen(tmp); + + if (len > 2 && tmp[len - 2] == '.' && tmp[len - 1] == 'o') + len -= 2; + memcpy(m_name, tmp, len); + + fprintf(stderr, "m_name='%s'\n", m_name); + + + exit( TRUE); +} diff --git a/modutils/insmod.c b/modutils/insmod.c new file mode 100644 index 000000000..9a0daa73b --- /dev/null +++ b/modutils/insmod.c @@ -0,0 +1,113 @@ +/* + * Mini insmod implementation for busybox + * + * Copyright (C) 1999 by Lineo, inc. + * Written by Erik Andersen <andersen@lineo.com>, <andersee@debian.org> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + */ + +#include "internal.h" +#include <stdlib.h> +#include <stdio.h> +#include <errno.h> +#include <unistd.h> +#include <dirent.h> +#include <sys/syscall.h> +#include <linux/module.h> + +/* Some firendly syscalls to cheer everyone's day... */ +_syscall2(int, init_module, const char *, name, + const struct module *, info) + +#ifndef BB_RMMOD +_syscall1(int, delete_module, const char *, name) +#else +extern int delete_module(const char *); +#endif + +#if defined(__i386__) || defined(__m68k__) || defined(__arm__) +/* Jump through hoops to fixup error return codes */ +#define __NR__create_module __NR_create_module +static inline _syscall2(long, _create_module, const char *, name, size_t, size) +unsigned long create_module(const char *name, size_t size) +{ + long ret = _create_module(name, size); + if (ret == -1 && errno > 125) { + ret = -errno; + errno = 0; + } + return ret; +} +#else +_syscall2(unsigned long, create_module, const char *, name, size_t, size) +#endif + + +static const char insmod_usage[] = + "insmod [OPTION]... MODULE [symbol=value]...\n\n" + "Loads the specified kernel modules into the kernel.\n\n" + "Options:\n" + "\t-f\tForce module to load into the wrong kernel version.\n" + "\t-k\tMake module autoclean-able.\n"; + + + +extern int insmod_main(int argc, char **argv) +{ + int len; + char m_name[PATH_MAX]; + char* tmp; + + + + if (argc<=1) { + usage( insmod_usage); + } + + /* Parse any options */ + while (--argc > 0 && **(++argv) == '-') { + while (*(++(*argv))) { + switch (**argv) { + case 'f': + break; + case 'k': + break; + default: + usage(insmod_usage); + } + } + } + + if (argc <= 0 ) + usage(insmod_usage); + + /* Grab the module name */ + if ((tmp = strrchr(*argv, '/')) != NULL) + tmp++; + else + tmp = *argv; + len = strlen(tmp); + + if (len > 2 && tmp[len - 2] == '.' && tmp[len - 1] == 'o') + len -= 2; + memcpy(m_name, tmp, len); + + fprintf(stderr, "m_name='%s'\n", m_name); + + + exit( TRUE); +} |