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[libos] Fix sendfile with non-writable file

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ClawSeven 2024-01-29 15:38:58 +08:00 committed by volcano
parent ee77ee618b
commit c2296c13d2
1 changed files with 11 additions and 0 deletions
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11
src/libos/src/fs/file_ops/sendfile.rs
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@ -15,6 +15,17 @@ pub fn do_sendfile(
let current = current!(); let current = current!();
let in_file = current.file(in_fd)?; let in_file = current.file(in_fd)?;
let out_file = current.file(out_fd)?; let out_file = current.file(out_fd)?;
let in_file_access = in_file.access_mode()?;
if !in_file_access.readable() {
return_errno!(EBADF, "The in file is non-readable");
}
let out_file_access = out_file.access_mode()?;
if !out_file_access.writable() {
return_errno!(EBADF, "The out file is non-writable");
}
let mut buffer: [u8; 1024 * 11] = unsafe { MaybeUninit::uninit().assume_init() }; let mut buffer: [u8; 1024 * 11] = unsafe { MaybeUninit::uninit().assume_init() };
let mut read_offset = match offset { let mut read_offset = match offset {