src/sys_mknod.rs

   1 use std::ffi::CString;
   2
   3 use failure::Error;
   4 use nix::errno::Errno;
   5 use nix::sys::stat;
   6
   7 use crate::lxcseccomp::ProxyMessageBuffer;
   8 use crate::syscall::SyscallStatus;
   9 use crate::tools::Fd;
  10
  11 pub async fn mknod(msg: &ProxyMessageBuffer) -> Result<SyscallStatus, Error> {
  12     let pathname = msg.arg_c_string(0)?;
  13     let mode = msg.arg_mode_t(1)?;
  14     let dev = msg.arg_dev_t(2)?;
  15     let cwd = msg.pid_fd().fd_cwd()?;
  16     do_mknodat(cwd, pathname, mode, dev).await
  17 }
  18
  19 pub async fn mknodat(msg: &ProxyMessageBuffer) -> Result<SyscallStatus, Error> {
  20     let dirfd = msg.arg_fd(0, libc::O_DIRECTORY)?;
  21     let pathname = msg.arg_c_string(1)?;
  22     let mode = msg.arg_mode_t(2)?;
  23     let dev = msg.arg_dev_t(3)?;
  24     do_mknodat(dirfd, pathname, mode, dev).await
  25 }
  26
  27 async fn do_mknodat(
  28     _dirfd: Fd,
  29     _pathname: CString,
  30     _mode: stat::Mode,
  31     _dev: stat::dev_t,
  32 ) -> Result<SyscallStatus, Error> {
  33     println!("=> Responding with ENOENT");
  34     Err(Errno::ENOENT.into())
  35 }