From 1b6a04ca5504955c571d1c97504fb45ea0befee4 Mon Sep 17 00:00:00 2001 From: Valentin Popov Date: Mon, 8 Jan 2024 01:21:28 +0400 Subject: Initial vendor packages Signed-off-by: Valentin Popov --- vendor/redox_syscall/src/scheme/scheme.rs | 194 ++++++++++++++++++++++++++++++ 1 file changed, 194 insertions(+) create mode 100644 vendor/redox_syscall/src/scheme/scheme.rs (limited to 'vendor/redox_syscall/src/scheme/scheme.rs') diff --git a/vendor/redox_syscall/src/scheme/scheme.rs b/vendor/redox_syscall/src/scheme/scheme.rs new file mode 100644 index 0000000..ee09d69 --- /dev/null +++ b/vendor/redox_syscall/src/scheme/scheme.rs @@ -0,0 +1,194 @@ +use core::{mem, slice}; + +use crate::CallerCtx; +use crate::OpenResult; +use crate::data::*; +use crate::error::*; +use crate::flag::*; +use crate::number::*; +use crate::scheme::*; + +pub trait Scheme { + fn handle(&self, packet: &mut Packet) { + let res = match packet.a { + SYS_OPEN => if let Some(path) = unsafe { str_from_raw_parts(packet.b as *const u8, packet.c) } { + convert_in_scheme_handle(packet, self.xopen(path, packet.d, &CallerCtx::from_packet(&packet))) + } + 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 => convert_in_scheme_handle(packet, self.xdup(packet.b, unsafe { slice::from_raw_parts(packet.c as *const u8, packet.d) }, &CallerCtx::from_packet(&packet))), + SYS_READ => self.read(packet.b, unsafe { slice::from_raw_parts_mut(packet.c as *mut u8, packet.d) }), + SYS_WRITE => self.write(packet.b, unsafe { slice::from_raw_parts(packet.c as *const u8, packet.d) }), + SYS_LSEEK => self.seek(packet.b, packet.c as isize, packet.d).map(|o| o as usize), + SYS_FCHMOD => self.fchmod(packet.b, packet.c as u16), + SYS_FCHOWN => self.fchown(packet.b, packet.c as u32, packet.d as u32), + SYS_FCNTL => self.fcntl(packet.b, packet.c, packet.d), + SYS_FEVENT => self.fevent(packet.b, EventFlags::from_bits_truncate(packet.c)).map(|f| f.bits()), + SYS_FPATH => self.fpath(packet.b, unsafe { slice::from_raw_parts_mut(packet.c as *mut u8, packet.d) }), + 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::() { + self.fstat(packet.b, unsafe { &mut *(packet.c as *mut Stat) }) + } else { + Err(Error::new(EFAULT)) + }, + SYS_FSTATVFS => if packet.d >= mem::size_of::() { + self.fstatvfs(packet.b, unsafe { &mut *(packet.c as *mut StatVfs) }) + } else { + Err(Error::new(EFAULT)) + }, + SYS_FSYNC => self.fsync(packet.b), + SYS_FTRUNCATE => self.ftruncate(packet.b, packet.c), + SYS_FUTIMENS => if packet.d >= mem::size_of::() { + self.futimens(packet.b, unsafe { slice::from_raw_parts(packet.c as *const TimeSpec, packet.d / mem::size_of::()) }) + } else { + Err(Error::new(EFAULT)) + }, + SYS_CLOSE => self.close(packet.b), + + KSMSG_MMAP_PREP => self.mmap_prep(packet.b, u64::from(packet.uid) | (u64::from(packet.gid) << 32), packet.c, MapFlags::from_bits_truncate(packet.d)), + KSMSG_MUNMAP => self.munmap(packet.b, u64::from(packet.uid) | (u64::from(packet.gid) << 32), packet.c, MunmapFlags::from_bits_truncate(packet.d)), + + _ => Err(Error::new(ENOSYS)) + }; + + packet.a = Error::mux(res); + } + + /* Scheme operations */ + + #[allow(unused_variables)] + fn open(&self, path: &str, flags: usize, uid: u32, gid: u32) -> Result { + Err(Error::new(ENOENT)) + } + #[allow(unused_variables)] + fn xopen(&self, path: &str, flags: usize, ctx: &CallerCtx) -> Result { + convert_to_this_scheme(self.open(path, flags, ctx.uid, ctx.gid)) + } + + #[allow(unused_variables)] + fn chmod(&self, path: &str, mode: u16, uid: u32, gid: u32) -> Result { + Err(Error::new(ENOENT)) + } + + #[allow(unused_variables)] + fn rmdir(&self, path: &str, uid: u32, gid: u32) -> Result { + Err(Error::new(ENOENT)) + } + + #[allow(unused_variables)] + fn unlink(&self, path: &str, uid: u32, gid: u32) -> Result { + Err(Error::new(ENOENT)) + } + + /* Resource operations */ + #[allow(unused_variables)] + fn dup(&self, old_id: usize, buf: &[u8]) -> Result { + Err(Error::new(EBADF)) + } + + #[allow(unused_variables)] + fn xdup(&self, old_id: usize, buf: &[u8], ctx: &CallerCtx) -> Result { + convert_to_this_scheme(self.dup(old_id, buf)) + } + + #[allow(unused_variables)] + fn read(&self, id: usize, buf: &mut [u8]) -> Result { + Err(Error::new(EBADF)) + } + + #[allow(unused_variables)] + fn write(&self, id: usize, buf: &[u8]) -> Result { + Err(Error::new(EBADF)) + } + + #[allow(unused_variables)] + fn seek(&self, id: usize, pos: isize, whence: usize) -> Result { + Err(Error::new(EBADF)) + } + + #[allow(unused_variables)] + fn fchmod(&self, id: usize, mode: u16) -> Result { + Err(Error::new(EBADF)) + } + + #[allow(unused_variables)] + fn fchown(&self, id: usize, uid: u32, gid: u32) -> Result { + Err(Error::new(EBADF)) + } + + #[allow(unused_variables)] + fn fcntl(&self, id: usize, cmd: usize, arg: usize) -> Result { + Err(Error::new(EBADF)) + } + + #[allow(unused_variables)] + fn fevent(&self, id: usize, flags: EventFlags) -> Result { + Err(Error::new(EBADF)) + } + + #[allow(unused_variables)] + fn fpath(&self, id: usize, buf: &mut [u8]) -> Result { + Err(Error::new(EBADF)) + } + + #[allow(unused_variables)] + fn frename(&self, id: usize, path: &str, uid: u32, gid: u32) -> Result { + Err(Error::new(EBADF)) + } + + #[allow(unused_variables)] + fn fstat(&self, id: usize, stat: &mut Stat) -> Result { + Err(Error::new(EBADF)) + } + + #[allow(unused_variables)] + fn fstatvfs(&self, id: usize, stat: &mut StatVfs) -> Result { + Err(Error::new(EBADF)) + } + + #[allow(unused_variables)] + fn fsync(&self, id: usize) -> Result { + Err(Error::new(EBADF)) + } + + #[allow(unused_variables)] + fn ftruncate(&self, id: usize, len: usize) -> Result { + Err(Error::new(EBADF)) + } + + #[allow(unused_variables)] + fn futimens(&self, id: usize, times: &[TimeSpec]) -> Result { + Err(Error::new(EBADF)) + } + + #[allow(unused_variables)] + fn close(&self, id: usize) -> Result { + Err(Error::new(EBADF)) + } + + #[allow(unused_variables)] + fn mmap_prep(&self, id: usize, offset: u64, size: usize, flags: MapFlags) -> Result { + Err(Error::new(EOPNOTSUPP)) + } + + #[allow(unused_variables)] + fn munmap(&self, id: usize, offset: u64, size: usize, flags: MunmapFlags) -> Result { + Err(Error::new(EOPNOTSUPP)) + } +} -- cgit v1.2.3