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symlink code from last week

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This commit is contained in:
Mark McCaskey
2019-07-15 09:59:07 -07:00
parent 5119f07ea3
commit 122963909f
1 changed files with 22 additions and 2 deletions
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24
lib/wasi/src/syscalls/mod.rs
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@@ -1626,6 +1626,7 @@ pub fn path_readlink(
out[bytes_written].set(b);
bytes_written += 1;
}
// should we null terminate this?
let bytes_out = wasi_try!(buf_used.deref(memory));
bytes_out.set(bytes_written as u32);
@@ -1639,9 +1640,18 @@ pub fn path_remove_directory(
path: WasmPtr<u8, Array>,
path_len: u32,
) -> __wasi_errno_t {
// TODO check if fd is a dir, ensure it's within sandbox, etc.
debug!("wasi::path_remove_directory");
unimplemented!("wasi::path_remove_directory")
let state = get_wasi_state(ctx);
let memory = ctx.memory(0);
let base_dir = wasi_try!(state.fs.fd_map.get(&fd).ok_or(__WASI_EBADF));
let path_str = wasi_try!(path.get_utf8_string(memory, path_len).ok_or(__WASI_EINVAL));
let _result = wasi_try!(std::fs::remove_dir(path_str).ok().ok_or(__WASI_EIO));
__WASI_ESUCCESS
}
pub fn path_rename(
ctx: &mut Ctx,
old_fd: __wasi_fd_t,
@@ -1665,15 +1675,25 @@ pub fn path_symlink(
debug!("wasi::path_symlink");
unimplemented!("wasi::path_symlink")
}
pub fn path_unlink_file(
ctx: &mut Ctx,
fd: __wasi_fd_t,
path: WasmPtr<u8, Array>,
path_len: u32,
) -> __wasi_errno_t {
// TODO check if fd is a dir, ensure it's within sandbox, etc.
debug!("wasi::path_unlink_file");
unimplemented!("wasi::path_unlink_file")
let state = get_wasi_state(ctx);
let memory = ctx.memory(0);
let base_dir = wasi_try!(state.fs.fd_map.get(&fd).ok_or(__WASI_EBADF));
let path_str = wasi_try!(path.get_utf8_string(memory, path_len).ok_or(__WASI_EINVAL));
let _result = wasi_try!(std::fs::remove_file(path_str).ok().ok_or(__WASI_EIO));
__WASI_ESUCCESS
}
pub fn poll_oneoff(
ctx: &mut Ctx,
in_: WasmPtr<__wasi_subscription_t, Array>,