int open(const char *path, int flags, ...)
{
va_list ap;
int fd;
int mode;
typeof(open) *original_open = dlsym(RTLD_NEXT, "open");
va_start(ap, flags);
mode = va_arg(ap, int);
va_end(ap);
debug(D_DEBUG, "open from %d.\n", getpid());
fd = original_open(path, flags, mode);
if(fd > -1)
{
struct monitor_msg msg;
msg.type = OPEN;
msg.origin = getpid();
strcpy(msg.data.s, path);
send_monitor_msg(&msg);
}
return fd;
}
//asmlinkage int (*original_open) (const char *, int, int);
// open (0x5)
asmlinkage int monitor_open(const char *filename, int flags, int mode)
{
if (PID == current->pid)
//pause core and perform analysis
printk(KERN_INFO "HEY, this opened\n");
return original_open(filename, flags, mode);
}
