17aa651a6a4496d848f86de9b1e6b3a003256a01fRob Landley/* insmod.c - Load a module into the Linux kernel. 2ed505e8b16eecc984759415efad56dc6e47afb70Elie De Brauwer * 3ed505e8b16eecc984759415efad56dc6e47afb70Elie De Brauwer * Copyright 2012 Elie De Brauwer <eliedebrauwer@gmail.com> 4ed505e8b16eecc984759415efad56dc6e47afb70Elie De Brauwer 51dd3704c5ffea926f61a96bb7de7d9dbee52fa44Paul BarkerUSE_INSMOD(NEWTOY(insmod, "<1", TOYFLAG_SBIN|TOYFLAG_NEEDROOT)) 6ed505e8b16eecc984759415efad56dc6e47afb70Elie De Brauwer 7ed505e8b16eecc984759415efad56dc6e47afb70Elie De Brauwerconfig INSMOD 87aa651a6a4496d848f86de9b1e6b3a003256a01fRob Landley bool "insmod" 97aa651a6a4496d848f86de9b1e6b3a003256a01fRob Landley default y 107aa651a6a4496d848f86de9b1e6b3a003256a01fRob Landley help 117aa651a6a4496d848f86de9b1e6b3a003256a01fRob Landley usage: insmod MODULE [MODULE_OPTIONS] 12ed505e8b16eecc984759415efad56dc6e47afb70Elie De Brauwer 137aa651a6a4496d848f86de9b1e6b3a003256a01fRob Landley Load the module named MODULE passing options if given. 14ed505e8b16eecc984759415efad56dc6e47afb70Elie De Brauwer*/ 15ed505e8b16eecc984759415efad56dc6e47afb70Elie De Brauwer 16ed505e8b16eecc984759415efad56dc6e47afb70Elie De Brauwer#include "toys.h" 17ed505e8b16eecc984759415efad56dc6e47afb70Elie De Brauwer 18ed505e8b16eecc984759415efad56dc6e47afb70Elie De Brauwer#include <sys/syscall.h> 19ed505e8b16eecc984759415efad56dc6e47afb70Elie De Brauwer#define init_module(mod, len, opts) syscall(__NR_init_module, mod, len, opts) 20ed505e8b16eecc984759415efad56dc6e47afb70Elie De Brauwer 21ed505e8b16eecc984759415efad56dc6e47afb70Elie De Brauwervoid insmod_main(void) 22ed505e8b16eecc984759415efad56dc6e47afb70Elie De Brauwer{ 237aa651a6a4496d848f86de9b1e6b3a003256a01fRob Landley char * buf = NULL; 247aa651a6a4496d848f86de9b1e6b3a003256a01fRob Landley int len, res, i; 253d56716d362d6a827c5f81029ac64c71b56a2f5cRob Landley int fd = xopen(*toys.optargs, O_RDONLY); 267aa651a6a4496d848f86de9b1e6b3a003256a01fRob Landley 277aa651a6a4496d848f86de9b1e6b3a003256a01fRob Landley len = fdlength(fd); 287aa651a6a4496d848f86de9b1e6b3a003256a01fRob Landley buf = xmalloc(len); 297aa651a6a4496d848f86de9b1e6b3a003256a01fRob Landley xreadall(fd, buf, len); 307aa651a6a4496d848f86de9b1e6b3a003256a01fRob Landley 317aa651a6a4496d848f86de9b1e6b3a003256a01fRob Landley i = 1; 327aa651a6a4496d848f86de9b1e6b3a003256a01fRob Landley while(toys.optargs[i] && 333d56716d362d6a827c5f81029ac64c71b56a2f5cRob Landley strlen(toybuf) + strlen(toys.optargs[i]) + 2 < sizeof(toybuf)) 343d56716d362d6a827c5f81029ac64c71b56a2f5cRob Landley { 357aa651a6a4496d848f86de9b1e6b3a003256a01fRob Landley strcat(toybuf, toys.optargs[i++]); 367aa651a6a4496d848f86de9b1e6b3a003256a01fRob Landley strcat(toybuf, " "); 377aa651a6a4496d848f86de9b1e6b3a003256a01fRob Landley } 387aa651a6a4496d848f86de9b1e6b3a003256a01fRob Landley 397aa651a6a4496d848f86de9b1e6b3a003256a01fRob Landley res = init_module(buf, len, toybuf); 403d56716d362d6a827c5f81029ac64c71b56a2f5cRob Landley if (CFG_TOYBOX_FREE) { 413d56716d362d6a827c5f81029ac64c71b56a2f5cRob Landley if (buf != toybuf) free(buf); 423d56716d362d6a827c5f81029ac64c71b56a2f5cRob Landley close(fd); 433d56716d362d6a827c5f81029ac64c71b56a2f5cRob Landley } 447aa651a6a4496d848f86de9b1e6b3a003256a01fRob Landley 457aa651a6a4496d848f86de9b1e6b3a003256a01fRob Landley if (res) perror_exit("failed to load %s", toys.optargs[0]); 46ed505e8b16eecc984759415efad56dc6e47afb70Elie De Brauwer} 47