/* insmod.c - Load a module into the Linux kernel. * * Copyright 2012 Elie De Brauwer <eliedebrauwer@gmail.com> USE_INSMOD(NEWTOY(insmod, "<1", TOYFLAG_BIN|TOYFLAG_NEEDROOT)) config INSMOD bool "insmod" default y help usage: insmod MODULE [MODULE_OPTIONS] Load the module named MODULE passing options if given. */ #include "toys.h" #include <sys/syscall.h> #define init_module(mod, len, opts) syscall(__NR_init_module, mod, len, opts) void insmod_main(void) { char * buf = NULL; int len, res, i; int fd = xopen(toys.optargs[0], O_RDONLY); len = fdlength(fd); buf = xmalloc(len); xreadall(fd, buf, len); i = 1; while(toys.optargs[i] && strlen(toybuf) + strlen(toys.optargs[i]) + 2 < sizeof(toybuf)) { strcat(toybuf, toys.optargs[i++]); strcat(toybuf, " "); } res = init_module(buf, len, toybuf); if (CFG_TOYBOX_FREE && buf != toybuf) free(buf); if (res) perror_exit("failed to load %s", toys.optargs[0]); }