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/* insmod.c - Load a module into the Linux kernel.
*
* Copyright 2012 Elie De Brauwer <eliedebrauwer@gmail.com>
USE_INSMOD(NEWTOY(insmod, "<1", TOYFLAG_SBIN|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, 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) {
if (buf != toybuf) free(buf);
close(fd);
}
if (res) perror_exit("failed to load %s", toys.optargs[0]);
}
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