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Implement unix permissions

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This commit is contained in:
Jeremy Soller 2016-10-05 18:01:05 -06:00
commit f38426e458
1 changed files with 99 additions and 76 deletions
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16
syscall/src/scheme.rs
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@ -5,10 +5,10 @@ use super::*;
pub trait Scheme {
fn handle(&self, packet: &mut Packet) {
packet.a = Error::mux(match packet.a {
SYS_OPEN => self.open(unsafe { slice::from_raw_parts(packet.b as *const u8, packet.c) }, packet.d),
SYS_MKDIR => self.mkdir(unsafe { slice::from_raw_parts(packet.b as *const u8, packet.c) }, packet.d),
SYS_RMDIR => self.rmdir(unsafe { slice::from_raw_parts(packet.b as *const u8, packet.c) }),
SYS_UNLINK => self.unlink(unsafe { slice::from_raw_parts(packet.b as *const u8, packet.c) }),
SYS_OPEN => self.open(unsafe { slice::from_raw_parts(packet.b as *const u8, packet.c) }, packet.d, packet.uid, packet.gid),
SYS_MKDIR => self.mkdir(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_DUP => self.dup(packet.b),
SYS_READ => self.read(packet.b, unsafe { slice::from_raw_parts_mut(packet.c as *mut u8, packet.d) }),
@ -28,22 +28,22 @@ pub trait Scheme {
/* Scheme operations */
#[allow(unused_variables)]
fn open(&self, path: &[u8], flags: usize) -> Result<usize> {
fn open(&self, path: &[u8], flags: usize, uid: u32, gid: u32) -> Result<usize> {
Err(Error::new(ENOENT))
}
#[allow(unused_variables)]
fn mkdir(&self, path: &[u8], mode: usize) -> Result<usize> {
fn mkdir(&self, path: &[u8], mode: u16, uid: u32, gid: u32) -> Result<usize> {
Err(Error::new(ENOENT))
}
#[allow(unused_variables)]
fn rmdir(&self, path: &[u8]) -> Result<usize> {
fn rmdir(&self, path: &[u8], uid: u32, gid: u32) -> Result<usize> {
Err(Error::new(ENOENT))
}
#[allow(unused_variables)]
fn unlink(&self, path: &[u8]) -> Result<usize> {
fn unlink(&self, path: &[u8], uid: u32, gid: u32) -> Result<usize> {
Err(Error::new(ENOENT))
}