From ed505e8b16eecc984759415efad56dc6e47afb70 Mon Sep 17 00:00:00 2001 From: Elie De Brauwer Date: Sat, 18 Feb 2012 13:25:36 +0100 Subject: Adding insmod and rmmod --- toys/insmod.c | 47 +++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 47 insertions(+) create mode 100644 toys/insmod.c (limited to 'toys/insmod.c') diff --git a/toys/insmod.c b/toys/insmod.c new file mode 100644 index 00000000..e794828c --- /dev/null +++ b/toys/insmod.c @@ -0,0 +1,47 @@ +/* vi: set sw=4 ts=4: + * + * insmod.c - Load a module into the Linux kernel. + * + * Copyright 2012 Elie De Brauwer + * + * Not in SUSv4. + +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 +#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]); +} -- cgit v1.2.3