ms2k/lazaret
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Close hostile recovery and concurrency gaps

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ms2k 2026-07-18 05:47:15 +09:00
commit 3f9b1b3543
1 changed files with 306 additions and 113 deletions
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10
crates/lazaret-host-coordinator/src/control.rs
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@ -2,10 +2,10 @@ use std::collections::BTreeMap;
use std::ffi::{OsStr, OsString};
use std::fmt;
use std::fs::{File, OpenOptions};
use std::io::{self, Read, Seek, SeekFrom, Write};
use std::io::{self, Read, Write};
use std::os::fd::{AsFd, AsRawFd};
use std::os::unix::ffi::OsStringExt;
use std::os::unix::fs::{FileTypeExt, MetadataExt, PermissionsExt};
use std::os::unix::fs::{FileExt, FileTypeExt, MetadataExt, PermissionsExt};
use std::path::{Path, PathBuf};
use std::sync::{Arc, Mutex, MutexGuard};
@ -1743,10 +1743,8 @@ impl PublishedControlFace {
"publication objects changed identity, ownership, or mode",
));
}
let mut exact_identity = self.identity_file.try_clone()?;
exact_identity.seek(SeekFrom::Start(0))?;
let mut bytes = Vec::new();
exact_identity.read_to_end(&mut bytes)?;
let mut bytes = vec![0; self.publication_bytes.len()];
self.identity_file.read_exact_at(&mut bytes, 0)?;
if bytes != self.publication_bytes {
return Err(ControlError::InvalidPublication(
"publication identity bytes changed",