use crate::error::*;
use crate::flag::*;
use crate::number::*;
+use crate::scheme::str_from_raw_parts;
pub trait SchemeMut {
fn handle(&mut self, packet: &mut Packet) {
let res = match packet.a {
- SYS_OPEN => self.open(unsafe { slice::from_raw_parts(packet.b as *const u8, packet.c) }, packet.d, packet.uid, packet.gid),
- SYS_CHMOD => self.chmod(unsafe { slice::from_raw_parts(packet.b as *const u8, packet.c) }, packet.d as u16, packet.uid, packet.gid),
- SYS_RMDIR => self.rmdir(unsafe { slice::from_raw_parts(packet.b as *const u8, packet.c) }, packet.uid, packet.gid),
- SYS_UNLINK => self.unlink(unsafe { slice::from_raw_parts(packet.b as *const u8, packet.c) }, packet.uid, packet.gid),
+ SYS_OPEN => if let Some(path) = unsafe { str_from_raw_parts(packet.b as *const u8, packet.c) } {
+ self.open(path, packet.d, packet.uid, packet.gid)
+ } else {
+ Err(Error::new(EINVAL))
+ },
+ SYS_CHMOD => if let Some(path) = unsafe { str_from_raw_parts(packet.b as *const u8, packet.c) } {
+ self.chmod(path, packet.d as u16, packet.uid, packet.gid)
+ } else {
+ Err(Error::new(EINVAL))
+ },
+ SYS_RMDIR => if let Some(path) = unsafe { str_from_raw_parts(packet.b as *const u8, packet.c) } {
+ self.rmdir(path, packet.uid, packet.gid)
+ } else {
+ Err(Error::new(EINVAL))
+ },
+ SYS_UNLINK => if let Some(path) = unsafe { str_from_raw_parts(packet.b as *const u8, packet.c) } {
+ self.unlink(path, packet.uid, packet.gid)
+ } else {
+ Err(Error::new(EINVAL))
+ },
SYS_DUP => self.dup(packet.b, unsafe { slice::from_raw_parts(packet.c as *const u8, packet.d) }),
SYS_READ => self.read(packet.b, unsafe { slice::from_raw_parts_mut(packet.c as *mut u8, packet.d) }),
SYS_FUNMAP_OLD => self.funmap_old(packet.b),
SYS_FUNMAP => self.funmap(packet.b, packet.c),
SYS_FPATH => self.fpath(packet.b, unsafe { slice::from_raw_parts_mut(packet.c as *mut u8, packet.d) }),
- SYS_FRENAME => self.frename(packet.b, unsafe { slice::from_raw_parts(packet.c as *const u8, packet.d) }, packet.uid, packet.gid),
+ SYS_FRENAME => if let Some(path) = unsafe { str_from_raw_parts(packet.c as *const u8, packet.d) } {
+ self.frename(packet.b, path, packet.uid, packet.gid)
+ } else {
+ Err(Error::new(EINVAL))
+ },
SYS_FSTAT => if packet.d >= mem::size_of::<Stat>() {
self.fstat(packet.b, unsafe { &mut *(packet.c as *mut Stat) })
} else {
/* Scheme operations */
#[allow(unused_variables)]
- fn open(&mut self, path: &[u8], flags: usize, uid: u32, gid: u32) -> Result<usize> {
+ fn open(&mut self, path: &str, flags: usize, uid: u32, gid: u32) -> Result<usize> {
Err(Error::new(ENOENT))
}
#[allow(unused_variables)]
- fn chmod(&mut self, path: &[u8], mode: u16, uid: u32, gid: u32) -> Result<usize> {
+ fn chmod(&mut self, path: &str, mode: u16, uid: u32, gid: u32) -> Result<usize> {
Err(Error::new(ENOENT))
}
#[allow(unused_variables)]
- fn rmdir(&mut self, path: &[u8], uid: u32, gid: u32) -> Result<usize> {
+ fn rmdir(&mut self, path: &str, uid: u32, gid: u32) -> Result<usize> {
Err(Error::new(ENOENT))
}
#[allow(unused_variables)]
- fn unlink(&mut self, path: &[u8], uid: u32, gid: u32) -> Result<usize> {
+ fn unlink(&mut self, path: &str, uid: u32, gid: u32) -> Result<usize> {
Err(Error::new(ENOENT))
}
}
#[allow(unused_variables)]
- fn frename(&mut self, id: usize, path: &[u8], uid: u32, gid: u32) -> Result<usize> {
+ fn frename(&mut self, id: usize, path: &str, uid: u32, gid: u32) -> Result<usize> {
Err(Error::new(EBADF))
}