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Complete base patch split and update rust toolchain

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Base patch extraction (12 new patches, 11,017 lines from the 17k monolith):
- P2-acpid-core-refactor: acpi.rs, dmar, aml_physmem, ec, scheme (3,150 lines)
- P2-ihdad-device-refactor: CodecTopology, ControllerPolicy, InputStream (1,022 lines)
- P2-ac97d-ihdad-main: AC97 + ihdad daemon error handling (287 lines)
- P2-inputd: inputd lib + main with named producers (896 lines)
- P2-network-driver-mains: e1000/ixgbe/rtl8139/rtl8168d/virtio-net mains (607 lines)
- P2-pcid-driver-interface: BAR, cap, config, IRQ helpers, MSI, scheme (1,463 lines)
- P2-storage-driver-mains: ahcid/ided/nvmed/virtio-blk main.rs files (625 lines)
- P2-xhcid-remaining: xhcid main, device_enumerator, xhci mod+scheme (2,033 lines)
- P2-virtio-core-vbox: virtio-core arch/probe/transport + vboxd (413 lines)
- P2-init-subsystems: scheduler, service, unit management (292 lines)
- P2-logd: logd main + scheme (164 lines)
- P2-hwd-misc: hwd Cargo.toml + main.rs (64 lines)

Graphics drivers (ihdgd, vesad, virtio-gpud, fbcond scheme/text, graphics-ipc)
already fully covered by existing P2-daemon-hardening.patch — no duplicates created.

Rust toolchain: nightly-2025-10-03 → nightly-2026-04-01 (1.96.0-nightly).
Cookbook builds clean, no feature gates in codebase.
This commit is contained in:
Vasilito
2026-04-25 19:30:53 +01:00
parent 65acab85bb
commit 220f053ad8
13 changed files with 11017 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files
local/patches/base/P2-ac97d-ihdad-main.patch
+287
View File
@@ -0,0 +1,287 @@
# P2-ac97d-ihdad-main.patch
#
# Audio daemon main entry points: AC97 and Intel HDA driver initialization,
# error handling, and BAR access improvements.
#
# Covers:
# - ac97d/src/main.rs: BAR access, error handling, codec initialization
# - ihdad/src/main.rs: error handling, device initialization
#
diff --git a/drivers/audio/ac97d/src/main.rs b/drivers/audio/ac97d/src/main.rs
index ffa8a94b..e4dbf930 100644
--- a/drivers/audio/ac97d/src/main.rs
+++ b/drivers/audio/ac97d/src/main.rs
@@ -3,6 +3,7 @@ use std::os::unix::io::AsRawFd;
use std::usize;
use event::{user_data, EventQueue};
+use log::error;
use pcid_interface::PciFunctionHandle;
use redox_scheme::scheme::register_sync_scheme;
use redox_scheme::Socket;
@@ -22,13 +23,28 @@ fn daemon(daemon: daemon::Daemon, pcid_handle: PciFunctionHandle) -> ! {
let mut name = pci_config.func.name();
name.push_str("_ac97");
- let bar0 = pci_config.func.bars[0].expect_port();
- let bar1 = pci_config.func.bars[1].expect_port();
+ let bar0 = match pci_config.func.bars[0].try_port() {
+ Ok(port) => port,
+ Err(err) => {
+ error!("ac97d: invalid BAR0: {err}");
+ std::process::exit(1);
+ }
+ };
+ let bar1 = match pci_config.func.bars[1].try_port() {
+ Ok(port) => port,
+ Err(err) => {
+ error!("ac97d: invalid BAR1: {err}");
+ std::process::exit(1);
+ }
+ };
let irq = pci_config
.func
.legacy_interrupt_line
- .expect("ac97d: no legacy interrupts supported");
+ .unwrap_or_else(|| {
+ error!("ac97d: no legacy interrupts supported");
+ std::process::exit(1);
+ });
println!(" + ac97 {}", pci_config.func.display());
@@ -40,13 +56,35 @@ fn daemon(daemon: daemon::Daemon, pcid_handle: PciFunctionHandle) -> ! {
common::file_level(),
);
- common::acquire_port_io_rights().expect("ac97d: failed to set I/O privilege level to Ring 3");
+ if let Err(err) = common::acquire_port_io_rights() {
+ error!("ac97d: failed to set I/O privilege level to Ring 3: {err}");
+ std::process::exit(1);
+ }
- let mut irq_file = irq.irq_handle("ac97d");
+ let mut irq_file = match irq.try_irq_handle("ac97d") {
+ Ok(file) => file,
+ Err(err) => {
+ error!("ac97d: failed to open IRQ handle: {err}");
+ std::process::exit(1);
+ }
+ };
- let socket = Socket::nonblock().expect("ac97d: failed to create socket");
- let mut device =
- unsafe { device::Ac97::new(bar0, bar1).expect("ac97d: failed to allocate device") };
+ let socket = match Socket::nonblock() {
+ Ok(socket) => socket,
+ Err(err) => {
+ error!("ac97d: failed to create socket: {err}");
+ std::process::exit(1);
+ }
+ };
+ let mut device = unsafe {
+ match device::Ac97::new(bar0, bar1) {
+ Ok(device) => device,
+ Err(err) => {
+ error!("ac97d: failed to allocate device: {err}");
+ std::process::exit(1);
+ }
+ }
+ };
let mut readiness_based = ReadinessBased::new(&socket, 16);
user_data! {
@@ -56,49 +94,81 @@ fn daemon(daemon: daemon::Daemon, pcid_handle: PciFunctionHandle) -> ! {
}
}
- let event_queue = EventQueue::<Source>::new().expect("ac97d: Could not create event queue.");
+ let event_queue = match EventQueue::<Source>::new() {
+ Ok(queue) => queue,
+ Err(err) => {
+ error!("ac97d: could not create event queue: {err}");
+ std::process::exit(1);
+ }
+ };
event_queue
.subscribe(
irq_file.as_raw_fd() as usize,
Source::Irq,
event::EventFlags::READ,
)
- .unwrap();
+ .unwrap_or_else(|err| {
+ error!("ac97d: failed to subscribe IRQ fd: {err}");
+ std::process::exit(1);
+ });
event_queue
.subscribe(
socket.inner().raw(),
Source::Scheme,
event::EventFlags::READ,
)
- .unwrap();
-
- register_sync_scheme(&socket, "audiohw", &mut device)
- .expect("ac97d: failed to register audiohw scheme to namespace");
+ .unwrap_or_else(|err| {
+ error!("ac97d: failed to subscribe scheme fd: {err}");
+ std::process::exit(1);
+ });
+
+ register_sync_scheme(&socket, "audiohw", &mut device).unwrap_or_else(|err| {
+ error!("ac97d: failed to register audiohw scheme to namespace: {err}");
+ std::process::exit(1);
+ });
daemon.ready();
- libredox::call::setrens(0, 0).expect("ac97d: failed to enter null namespace");
+ if let Err(err) = libredox::call::setrens(0, 0) {
+ error!("ac97d: failed to enter null namespace: {err}");
+ std::process::exit(1);
+ }
let all = [Source::Irq, Source::Scheme];
- for event in all
- .into_iter()
- .chain(event_queue.map(|e| e.expect("ac97d: failed to get next event").user_data))
- {
+ for event in all.into_iter().chain(event_queue.map(|e| match e {
+ Ok(event) => event.user_data,
+ Err(err) => {
+ error!("ac97d: failed to get next event: {err}");
+ std::process::exit(1);
+ }
+ })) {
match event {
Source::Irq => {
let mut irq = [0; 8];
- irq_file.read(&mut irq).unwrap();
+ if let Err(err) = irq_file.read(&mut irq) {
+ error!("ac97d: failed to read IRQ file: {err}");
+ std::process::exit(1);
+ }
if !device.irq() {
continue;
}
- irq_file.write(&mut irq).unwrap();
+ if let Err(err) = irq_file.write(&mut irq) {
+ error!("ac97d: failed to acknowledge IRQ: {err}");
+ std::process::exit(1);
+ }
readiness_based
.poll_all_requests(&mut device)
- .expect("ac97d: failed to poll requests");
+ .unwrap_or_else(|err| {
+ error!("ac97d: failed to poll requests: {err}");
+ std::process::exit(1);
+ });
readiness_based
.write_responses()
- .expect("ac97d: failed to write to socket");
+ .unwrap_or_else(|err| {
+ error!("ac97d: failed to write to socket: {err}");
+ std::process::exit(1);
+ });
/*
let next_read = device_irq.next_read();
@@ -110,10 +180,16 @@ fn daemon(daemon: daemon::Daemon, pcid_handle: PciFunctionHandle) -> ! {
Source::Scheme => {
readiness_based
.read_and_process_requests(&mut device)
- .expect("ac97d: failed to read from socket");
+ .unwrap_or_else(|err| {
+ error!("ac97d: failed to read from socket: {err}");
+ std::process::exit(1);
+ });
readiness_based
.write_responses()
- .expect("ac97d: failed to write to socket");
+ .unwrap_or_else(|err| {
+ error!("ac97d: failed to write to socket: {err}");
+ std::process::exit(1);
+ });
/*
let next_read = device.borrow().next_read();
@@ -125,7 +201,7 @@ fn daemon(daemon: daemon::Daemon, pcid_handle: PciFunctionHandle) -> ! {
}
}
- std::process::exit(0);
+ std::process::exit(1);
}
#[cfg(not(any(target_arch = "x86", target_arch = "x86_64")))]
diff --git a/drivers/audio/ihdad/src/main.rs b/drivers/audio/ihdad/src/main.rs
index 31a2add7..11d80133 100755
--- a/drivers/audio/ihdad/src/main.rs
+++ b/drivers/audio/ihdad/src/main.rs
@@ -6,7 +6,7 @@ use std::os::unix::io::AsRawFd;
use std::usize;
use event::{user_data, EventQueue};
-use pcid_interface::irq_helpers::pci_allocate_interrupt_vector;
+use pcid_interface::irq_helpers::try_pci_allocate_interrupt_vector;
use pcid_interface::PciFunctionHandle;
pub mod hda;
@@ -38,9 +38,19 @@ fn daemon(daemon: daemon::Daemon, mut pcid_handle: PciFunctionHandle) -> ! {
log::info!("IHDA {}", pci_config.func.display());
+ if let Err(err) = pci_config.func.bars[0].try_mem() {
+ log::error!("ihdad: invalid BAR0: {err}");
+ std::process::exit(1);
+ }
let address = unsafe { pcid_handle.map_bar(0) }.ptr.as_ptr() as usize;
- let irq_file = pci_allocate_interrupt_vector(&mut pcid_handle, "ihdad");
+ let irq_file = match try_pci_allocate_interrupt_vector(&mut pcid_handle, "ihdad") {
+ Ok(irq) => irq,
+ Err(err) => {
+ log::error!("ihdad: failed to allocate interrupt vector: {err}");
+ std::process::exit(1);
+ }
+ };
{
let vend_prod: u32 = ((pci_config.func.full_device_id.vendor_id as u32) << 16)
@@ -53,11 +63,28 @@ fn daemon(daemon: daemon::Daemon, mut pcid_handle: PciFunctionHandle) -> ! {
}
}
- let event_queue =
- EventQueue::<Source>::new().expect("ihdad: Could not create event queue.");
- let socket = Socket::nonblock().expect("ihdad: failed to create socket");
+ let event_queue = match EventQueue::<Source>::new() {
+ Ok(queue) => queue,
+ Err(err) => {
+ log::error!("ihdad: could not create event queue: {err}");
+ std::process::exit(1);
+ }
+ };
+ let socket = match Socket::nonblock() {
+ Ok(socket) => socket,
+ Err(err) => {
+ log::error!("ihdad: failed to create socket: {err}");
+ std::process::exit(1);
+ }
+ };
let mut device = unsafe {
- hda::IntelHDA::new(address, vend_prod).expect("ihdad: failed to allocate device")
+ match hda::IntelHDA::new(address, vend_prod) {
+ Ok(device) => device,
+ Err(err) => {
+ log::error!("ihdad: failed to allocate device: {err}");
+ std::process::exit(1);
+ }
+ }
};
let mut readiness_based = ReadinessBased::new(&socket, 16);
local/patches/base/P2-acpid-core-refactor.patch
+3150
View File
File diff suppressed because it is too large Load Diff
local/patches/base/P2-hwd-misc.patch
+64
View File
@@ -0,0 +1,64 @@
# P2-hwd-misc.patch
# Extract hwd (hardware daemon) Cargo.toml and main.rs improvements.
#
# Files: drivers/hwd/Cargo.toml, drivers/hwd/src/main.rs
diff --git a/drivers/hwd/Cargo.toml b/drivers/hwd/Cargo.toml
index 3d37cfb3..40b51a1b 100644
--- a/drivers/hwd/Cargo.toml
+++ b/drivers/hwd/Cargo.toml
@@ -6,6 +6,7 @@ edition = "2018"
[dependencies]
fdt.workspace = true
+libc.workspace = true
log.workspace = true
ron.workspace = true
libredox = { workspace = true, default-features = false, features = ["std", "call"] }
diff --git a/drivers/hwd/src/main.rs b/drivers/hwd/src/main.rs
index 79360e34..a0462f51 100644
--- a/drivers/hwd/src/main.rs
+++ b/drivers/hwd/src/main.rs
@@ -1,3 +1,5 @@
+use std::os::fd::AsRawFd;
+use std::os::unix::process::CommandExt;
use std::process;
mod backend;
@@ -37,8 +39,34 @@ fn daemon(daemon: daemon::Daemon) -> ! {
//TODO: launch pcid based on backend information?
// Must launch after acpid but before probe calls /scheme/acpi/symbols
- #[allow(deprecated, reason = "we can't yet move this to init")]
- daemon::Daemon::spawn(process::Command::new("pcid"));
+ // Fire-and-forget: daemon::Daemon::spawn blocks until pcid signals readiness,
+ // but pcid only signals after full PCI enumeration. If enumeration hangs on
+ // real hardware (unresponsive device, complex AML), hwd deadlocks initfs.
+ {
+ match std::io::pipe() {
+ Ok((_read_end, write_end)) => {
+ let write_fd: std::os::fd::OwnedFd = write_end.into();
+ let raw_fd = write_fd.as_raw_fd();
+ let mut cmd = std::process::Command::new("pcid");
+ cmd.env("INIT_NOTIFY", raw_fd.to_string());
+ unsafe {
+ cmd.pre_exec(move || {
+ if libc::fcntl(raw_fd, libc::F_SETFD, 0) == -1 {
+ return Err(std::io::Error::last_os_error());
+ }
+ Ok(())
+ });
+ }
+ match cmd.spawn() {
+ Ok(_) => {}
+ Err(err) => log::error!("hwd: failed to spawn pcid: {}", err),
+ }
+ }
+ Err(err) => {
+ log::error!("hwd: failed to create pcid notification pipe: {}", err);
+ }
+ }
+ }
daemon.ready();
local/patches/base/P2-ihdad-device-refactor.patch
+1022
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File diff suppressed because it is too large Load Diff
local/patches/base/P2-init-subsystems.patch
+292
View File
@@ -0,0 +1,292 @@
# P2-init-subsystems.patch
# Extract init subsystem hardening: service respawn, unit store Option returns,
# scheduler PID tracking, and service spawn error handling.
#
# Files: init/src/scheduler.rs, init/src/service.rs, init/src/unit.rs
diff --git a/init/src/scheduler.rs b/init/src/scheduler.rs
index d42a4e57..64e64e1e 100644
--- a/init/src/scheduler.rs
+++ b/init/src/scheduler.rs
@@ -5,6 +5,7 @@ use crate::unit::{Unit, UnitId, UnitKind, UnitStore};
pub struct Scheduler {
pending: VecDeque<Job>,
+ pub respawn_pids: Vec<(UnitId, u32)>,
}
struct Job {
@@ -20,6 +21,7 @@ impl Scheduler {
pub fn new() -> Scheduler {
Scheduler {
pending: VecDeque::new(),
+ respawn_pids: Vec::new(),
}
}
@@ -43,7 +45,10 @@ impl Scheduler {
) {
let loaded_units = unit_store.load_units(unit_id.clone(), errors);
for unit_id in loaded_units {
- if !unit_store.unit(&unit_id).conditions_met() {
+ let Some(unit) = unit_store.unit(&unit_id) else {
+ continue;
+ };
+ if !unit.conditions_met() {
continue;
}
@@ -62,7 +67,10 @@ impl Scheduler {
match job.kind {
JobKind::Start => {
- let unit = unit_store.unit_mut(&job.unit);
+ let Some(unit) = unit_store.unit_mut(&job.unit) else {
+ eprintln!("init: unit {} not found in store, skipping", job.unit.0);
+ continue 'a;
+ };
for dep in &unit.info.requires_weak {
for pending_job in &self.pending {
@@ -73,14 +81,17 @@ impl Scheduler {
}
}
- run(unit, init_config);
+ let pid = run(unit, init_config);
+ if let Some(pid) = pid {
+ self.respawn_pids.push((job.unit.clone(), pid));
+ }
}
}
}
}
}
-fn run(unit: &mut Unit, config: &mut InitConfig) {
+fn run(unit: &mut Unit, config: &mut InitConfig) -> Option<u32> {
match &unit.kind {
UnitKind::LegacyScript { script } => {
for cmd in script.clone() {
@@ -92,25 +103,30 @@ fn run(unit: &mut Unit, config: &mut InitConfig) {
}
UnitKind::Service { service } => {
if config.skip_cmd.contains(&service.cmd) {
- eprintln!("Skipping '{} {}'", service.cmd, service.args.join(" "));
- return;
+ eprintln!("init: skipping {} {}", service.cmd, service.args.join(" "));
+ return None;
}
- if config.log_debug {
+ eprintln!(
+ "init: starting {} ({})",
+ unit.info.description.as_ref().unwrap_or(&unit.id.0),
+ service.cmd,
+ );
+ let pid = service.spawn(&config.envs);
+ if pid.is_some() {
eprintln!(
- "Starting {} ({})",
+ "init: started {} (pid {})",
unit.info.description.as_ref().unwrap_or(&unit.id.0),
- service.cmd,
+ pid.unwrap_or(0),
);
}
- service.spawn(&config.envs);
+ return pid;
}
UnitKind::Target {} => {
- if config.log_debug {
- eprintln!(
- "Reached target {}",
- unit.info.description.as_ref().unwrap_or(&unit.id.0),
- );
- }
+ eprintln!(
+ "init: reached target {}",
+ unit.info.description.as_ref().unwrap_or(&unit.id.0),
+ );
}
}
+ None
}
diff --git a/init/src/service.rs b/init/src/service.rs
index ed0023e9..cc95d02b 100644
--- a/init/src/service.rs
+++ b/init/src/service.rs
@@ -22,6 +22,8 @@ pub struct Service {
pub inherit_envs: BTreeSet<String>,
#[serde(rename = "type")]
pub type_: ServiceType,
+ #[serde(default)]
+ pub respawn: bool,
}
#[derive(Clone, Debug, Default, Deserialize)]
@@ -35,7 +37,7 @@ pub enum ServiceType {
}
impl Service {
- pub fn spawn(&self, base_envs: &BTreeMap<String, OsString>) {
+ pub fn spawn(&self, base_envs: &BTreeMap<String, OsString>) -> Option<u32> {
let mut command = Command::new(&self.cmd);
command.args(self.args.iter().map(|arg| subst_env(arg)));
command.env_clear();
@@ -46,20 +48,28 @@ impl Service {
}
command.envs(base_envs).envs(&self.envs);
- let (mut read_pipe, write_pipe) = io::pipe().unwrap();
+ let (mut read_pipe, write_pipe) = match io::pipe() {
+ Ok(pair) => pair,
+ Err(err) => {
+ eprintln!("init: failed to create readiness pipe for {:?}: {err}", command);
+ return None;
+ }
+ };
unsafe { pass_fd(&mut command, "INIT_NOTIFY", write_pipe.into()) };
let mut child = match command.spawn() {
Ok(child) => child,
Err(err) => {
eprintln!("init: failed to execute {:?}: {}", command, err);
- return;
+ return None;
}
};
match &self.type_ {
ServiceType::Notify => match read_pipe.read_exact(&mut [0]) {
- Ok(()) => {}
+ Ok(()) => {
+ eprintln!("init: {} ready (notify)", self.cmd);
+ }
Err(err) if err.kind() == io::ErrorKind::UnexpectedEof => {
eprintln!("init: {command:?} exited without notifying readiness");
}
@@ -81,23 +91,34 @@ impl Service {
}) => continue,
Ok(0) => {
eprintln!("init: {command:?} exited without notifying readiness");
- return;
+ return None;
}
Ok(1) => break,
Ok(n) => {
eprintln!("init: incorrect amount of fds {n} returned");
- return;
+ return None;
}
Err(err) => {
eprintln!("init: failed to wait for {command:?}: {err}");
- return;
+ return None;
}
}
}
- let current_namespace_fd = libredox::call::getns().expect("TODO");
- libredox::call::register_scheme_to_ns(current_namespace_fd, scheme, new_fd)
- .expect("TODO");
+ let current_namespace_fd = match libredox::call::getns() {
+ Ok(fd) => fd,
+ Err(err) => {
+ eprintln!("init: failed to get current namespace for {command:?}: {err}");
+ return None;
+ }
+ };
+ if let Err(err) =
+ libredox::call::register_scheme_to_ns(current_namespace_fd, scheme, new_fd)
+ {
+ eprintln!("init: failed to register scheme {scheme:?} for {command:?}: {err}");
+ } else {
+ eprintln!("init: {} ready (scheme {})", self.cmd, scheme);
+ }
}
ServiceType::Oneshot => {
drop(read_pipe);
@@ -105,6 +126,8 @@ impl Service {
Ok(exit_status) => {
if !exit_status.success() {
eprintln!("init: {command:?} failed with {exit_status}");
+ } else {
+ eprintln!("init: {} done (oneshot)", self.cmd);
}
}
Err(err) => {
@@ -112,8 +135,13 @@ impl Service {
}
}
}
- ServiceType::OneshotAsync => {}
+ ServiceType::OneshotAsync => {
+ if self.respawn {
+ return Some(child.id());
+ }
+ }
}
+ None
}
}
diff --git a/init/src/unit.rs b/init/src/unit.rs
index 98053cb2..a58bfb96 100644
--- a/init/src/unit.rs
+++ b/init/src/unit.rs
@@ -23,8 +23,14 @@ impl UnitStore {
}
pub fn set_runtime_target(&mut self, unit_id: UnitId) {
- assert!(self.runtime_target.is_none());
- assert!(self.units.contains_key(&unit_id));
+ if self.runtime_target.is_some() {
+ eprintln!("init: runtime target already set, ignoring {}", unit_id.0);
+ return;
+ }
+ if !self.units.contains_key(&unit_id) {
+ eprintln!("init: runtime target {} not found in unit store", unit_id.0);
+ return;
+ }
self.runtime_target = Some(unit_id);
}
@@ -85,8 +91,10 @@ impl UnitStore {
let unit = self.load_single_unit(unit_id, errors);
if let Some(unit) = unit {
loaded_units.push(unit.clone());
- for dep in &self.unit(&unit).info.requires_weak {
- pending_units.push(dep.clone());
+ if let Some(u) = self.unit(&unit) {
+ for dep in &u.info.requires_weak {
+ pending_units.push(dep.clone());
+ }
}
}
}
@@ -94,12 +102,12 @@ impl UnitStore {
loaded_units
}
- pub fn unit(&self, unit: &UnitId) -> &Unit {
- self.units.get(unit).unwrap()
+ pub fn unit(&self, unit: &UnitId) -> Option<&Unit> {
+ self.units.get(unit)
}
- pub fn unit_mut(&mut self, unit: &UnitId) -> &mut Unit {
- self.units.get_mut(unit).unwrap()
+ pub fn unit_mut(&mut self, unit: &UnitId) -> Option<&mut Unit> {
+ self.units.get_mut(unit)
}
}
@@ -180,7 +188,7 @@ impl Unit {
) -> io::Result<Self> {
let config = fs::read_to_string(config_path)?;
- let Some(ext) = config_path.extension().map(|ext| ext.to_str().unwrap()) else {
+ let Some(ext) = config_path.extension().and_then(|ext| ext.to_str()) else {
let script = Script::from_str(&config, errors)?;
return Ok(Unit {
id,
local/patches/base/P2-inputd.patch
+896
View File
@@ -0,0 +1,896 @@
# P2-inputd.patch
# Extract inputd improvements: named producers, device consumers, hotplug events,
# error handling, and input scheme extensions.
#
# Files: drivers/inputd/src/lib.rs, drivers/inputd/src/main.rs
diff --git a/drivers/inputd/src/lib.rs b/drivers/inputd/src/lib.rs
index b68e8211..f07a411d 100644
--- a/drivers/inputd/src/lib.rs
+++ b/drivers/inputd/src/lib.rs
@@ -64,25 +64,53 @@ impl ConsumerHandle {
let fd = self.0.as_raw_fd();
let written = libredox::call::fpath(fd as usize, &mut buffer)?;
- assert!(written <= buffer.len());
-
- let mut display_path = PathBuf::from(
- std::str::from_utf8(&buffer[..written])
- .expect("init: display path UTF-8 check failed")
- .to_owned(),
- );
- display_path.set_file_name(format!(
- "v2/{}",
- display_path.file_name().unwrap().to_str().unwrap()
- ));
- let display_path = display_path.to_str().unwrap();
+ if written > buffer.len() {
+ return Err(io::Error::new(
+ io::ErrorKind::InvalidData,
+ "inputd: display path exceeded buffer size",
+ ));
+ }
+
+ let path_str = std::str::from_utf8(&buffer[..written]).map_err(|e| {
+ io::Error::new(
+ io::ErrorKind::InvalidData,
+ format!("inputd: display path is not valid UTF-8: {e}"),
+ )
+ })?;
+ let mut display_path = PathBuf::from(path_str.to_owned());
+
+ let file_name = display_path
+ .file_name()
+ .and_then(|n| n.to_str())
+ .ok_or_else(|| {
+ io::Error::new(
+ io::ErrorKind::InvalidData,
+ format!(
+ "inputd: display path has no valid file name: {}",
+ display_path.display()
+ ),
+ )
+ })?;
+ display_path.set_file_name(format!("v2/{file_name}"));
+ let display_path_str = display_path.to_str().ok_or_else(|| {
+ io::Error::new(
+ io::ErrorKind::InvalidData,
+ format!(
+ "inputd: constructed display path is not valid UTF-8: {}",
+ display_path.display()
+ ),
+ )
+ })?;
let display_file =
- libredox::call::open(display_path, (O_CLOEXEC | O_NONBLOCK | O_RDWR) as _, 0)
+ libredox::call::open(display_path_str, (O_CLOEXEC | O_NONBLOCK | O_RDWR) as _, 0)
.map(|socket| unsafe { File::from_raw_fd(socket as RawFd) })
- .unwrap_or_else(|err| {
- panic!("failed to open display {}: {}", display_path, err);
- });
+ .map_err(|err| {
+ io::Error::new(
+ io::ErrorKind::Other,
+ format!("inputd: failed to open display {display_path_str}: {err}"),
+ )
+ })?;
Ok(display_file)
}
@@ -152,8 +180,12 @@ impl DisplayHandle {
if nread == 0 {
Ok(None)
+ } else if nread != size_of::<VtEvent>() {
+ Err(io::Error::new(
+ io::ErrorKind::InvalidData,
+ format!("inputd: partial vt event read: got {nread}, expected {}", size_of::<VtEvent>()),
+ ))
} else {
- assert_eq!(nread, size_of::<VtEvent>());
Ok(Some(event))
}
}
@@ -171,13 +203,11 @@ impl ControlHandle {
Ok(Self(File::open(path)?))
}
- /// Sent to Handle::Display
pub fn activate_vt(&mut self, vt: usize) -> io::Result<usize> {
let cmd = ControlEvent::from(VtActivate { vt });
self.0.write(unsafe { any_as_u8_slice(&cmd) })
}
- /// Sent to Handle::Producer
pub fn activate_keymap(&mut self, keymap: usize) -> io::Result<usize> {
let cmd = ControlEvent::from(KeymapActivate { keymap });
self.0.write(unsafe { any_as_u8_slice(&cmd) })
@@ -209,3 +239,195 @@ impl ProducerHandle {
Ok(())
}
}
+
+pub struct NamedProducerHandle(File);
+
+impl NamedProducerHandle {
+ pub fn new(name: &str) -> io::Result<Self> {
+ let path = format!("/scheme/input/producer/{name}");
+ Ok(Self(File::open(path)?))
+ }
+
+ pub fn write_event(&mut self, event: orbclient::Event) -> io::Result<()> {
+ self.0.write(&event)?;
+ Ok(())
+ }
+}
+
+/// Convenience wrapper that tries a named producer first,
+/// falling back to the legacy anonymous producer on failure.
+pub enum InputProducer {
+ Named(NamedProducerHandle),
+ Legacy(ProducerHandle),
+}
+
+impl InputProducer {
+ /// Open a named producer (`/scheme/input/producer/{name}`).
+ /// If the named path is unavailable, fall back to the legacy
+ /// `/scheme/input/producer` path so the driver keeps working on
+ /// older inputd builds or degraded schemes.
+ pub fn new_named_or_fallback(name: &str) -> io::Result<Self> {
+ match NamedProducerHandle::new(name) {
+ Ok(named) => Ok(InputProducer::Named(named)),
+ Err(named_err) => {
+ log::debug!(
+ "inputd: named producer '{}' unavailable ({}), falling back to legacy",
+ name,
+ named_err
+ );
+ ProducerHandle::new().map(InputProducer::Legacy)
+ }
+ }
+ }
+
+ /// Open the legacy anonymous producer directly.
+ pub fn new_legacy() -> io::Result<Self> {
+ ProducerHandle::new().map(InputProducer::Legacy)
+ }
+
+ pub fn write_event(&mut self, event: orbclient::Event) -> io::Result<()> {
+ match self {
+ InputProducer::Named(h) => h.write_event(event),
+ InputProducer::Legacy(h) => h.write_event(event),
+ }
+ }
+}
+
+pub struct DeviceConsumerHandle(File);
+
+pub enum DeviceConsumerHandleEvent<'a> {
+ Events(&'a [Event]),
+}
+
+impl DeviceConsumerHandle {
+ pub fn new(device_name: &str) -> io::Result<Self> {
+ let path = format!("/scheme/input/{device_name}");
+ Ok(Self(File::open(path)?))
+ }
+
+ pub fn event_handle(&self) -> BorrowedFd<'_> {
+ self.0.as_fd()
+ }
+
+ pub fn read_events<'a>(
+ &self,
+ events: &'a mut [Event],
+ ) -> io::Result<DeviceConsumerHandleEvent<'a>> {
+ match read_to_slice(self.0.as_fd(), events) {
+ Ok(count) => Ok(DeviceConsumerHandleEvent::Events(&events[..count])),
+ Err(err) => Err(err.into()),
+ }
+ }
+}
+
+#[derive(Debug, Clone)]
+#[repr(C)]
+pub struct HotplugEventHeader {
+ pub kind: u32,
+ pub device_id: u32,
+ pub name_len: u32,
+ pub reserved: u32,
+}
+
+#[derive(Debug, Clone)]
+pub struct HotplugEvent {
+ pub kind: u32,
+ pub device_id: u32,
+ pub name: String,
+}
+
+pub struct HotplugHandle {
+ file: File,
+ partial: Vec<u8>,
+}
+
+impl HotplugHandle {
+ pub fn new() -> io::Result<Self> {
+ let file = File::open("/scheme/input/events")?;
+ Ok(Self {
+ file,
+ partial: Vec::new(),
+ })
+ }
+
+ pub fn event_handle(&self) -> BorrowedFd<'_> {
+ self.file.as_fd()
+ }
+
+ pub fn read_event(&mut self) -> io::Result<Option<HotplugEvent>> {
+ let mut tmp = [0u8; 256];
+ match self.file.read(&mut tmp) {
+ Ok(0) => {}
+ Ok(n) => self.partial.extend_from_slice(&tmp[..n]),
+ Err(ref e) if e.kind() == io::ErrorKind::WouldBlock => {}
+ Err(e) => return Err(e),
+ }
+
+ if self.partial.len() < 16 {
+ return Ok(None);
+ }
+
+ let header = HotplugEventHeader {
+ kind: u32::from_ne_bytes(self.partial[0..4].try_into().map_err(|_| {
+ io::Error::new(io::ErrorKind::InvalidData, "header parse failed")
+ })?),
+ device_id: u32::from_ne_bytes(self.partial[4..8].try_into().map_err(|_| {
+ io::Error::new(io::ErrorKind::InvalidData, "header parse failed")
+ })?),
+ name_len: u32::from_ne_bytes(self.partial[8..12].try_into().map_err(|_| {
+ io::Error::new(io::ErrorKind::InvalidData, "header parse failed")
+ })?),
+ reserved: 0,
+ };
+
+ let total_len = 16 + header.name_len as usize;
+ if self.partial.len() < total_len {
+ return Ok(None);
+ }
+
+ let name = String::from_utf8(self.partial[16..total_len].to_vec()).map_err(|e| {
+ io::Error::new(io::ErrorKind::InvalidData, format!("invalid UTF-8: {e}"))
+ })?;
+
+ self.partial.drain(..total_len);
+
+ Ok(Some(HotplugEvent {
+ kind: header.kind,
+ device_id: header.device_id,
+ name,
+ }))
+ }
+}
+
+pub const RESERVED_DEVICE_NAMES: &[&str] = &[
+ "producer",
+ "consumer",
+ "consumer_bootlog",
+ "events",
+ "handle",
+ "handle_early",
+ "control",
+];
+
+pub struct InputDeviceLister;
+
+impl InputDeviceLister {
+ pub fn list() -> io::Result<Vec<String>> {
+ let mut dir = std::fs::read_dir("/scheme/input/")?;
+ let mut devices = Vec::new();
+ loop {
+ match dir.next() {
+ Some(Ok(entry)) => {
+ if let Some(name) = entry.file_name().to_str() {
+ if !RESERVED_DEVICE_NAMES.contains(&name) {
+ devices.push(name.to_owned());
+ }
+ }
+ }
+ Some(Err(e)) => return Err(e),
+ None => break,
+ }
+ }
+ Ok(devices)
+ }
+}
diff --git a/drivers/inputd/src/main.rs b/drivers/inputd/src/main.rs
index 07aa943e..89018568 100644
--- a/drivers/inputd/src/main.rs
+++ b/drivers/inputd/src/main.rs
@@ -13,7 +13,7 @@
use core::mem::size_of;
use std::borrow::Cow;
-use std::collections::BTreeSet;
+use std::collections::{BTreeMap, BTreeSet};
use std::mem::transmute;
use std::ops::ControlFlow;
use std::sync::atomic::{AtomicUsize, Ordering};
@@ -26,8 +26,9 @@ use redox_scheme::{CallerCtx, OpenResult, Response, SignalBehavior, Socket};
use orbclient::{Event, EventOption};
use scheme_utils::{Blocking, FpathWriter, HandleMap};
+use syscall::dirent::{DirEntry, DirentBuf, DirentKind};
use syscall::schemev2::NewFdFlags;
-use syscall::{Error as SysError, EventFlags, EACCES, EBADF, EEXIST, EINVAL};
+use syscall::{Error as SysError, EventFlags, EACCES, EBADF, EEXIST, EINVAL, ENOENT, ENOTDIR};
pub mod keymap;
@@ -35,8 +36,57 @@ use keymap::KeymapKind;
use crate::keymap::KeymapData;
+const DEVICE_ADD: u32 = 1;
+const DEVICE_REMOVE: u32 = 2;
+
+fn validate_producer_name(name: &str) -> Result<(), SysError> {
+ if name.is_empty() || name.contains('/') {
+ return Err(SysError::new(EINVAL));
+ }
+ if inputd::RESERVED_DEVICE_NAMES.contains(&name) {
+ return Err(SysError::new(EINVAL));
+ }
+ Ok(())
+}
+
+fn serialize_hotplug(kind: u32, device_id: u32, name: &str) -> Vec<u8> {
+ let name_bytes = name.as_bytes();
+ let header = HotplugHeader {
+ kind,
+ device_id,
+ name_len: name_bytes.len() as u32,
+ _reserved: 0,
+ };
+ let mut out = Vec::with_capacity(16 + name_bytes.len());
+ out.extend_from_slice(&header.to_bytes());
+ out.extend_from_slice(name_bytes);
+ out
+}
+
+#[repr(C)]
+struct HotplugHeader {
+ kind: u32,
+ device_id: u32,
+ name_len: u32,
+ _reserved: u32,
+}
+
+impl HotplugHeader {
+ fn to_bytes(&self) -> [u8; 16] {
+ let mut buf = [0u8; 16];
+ buf[0..4].copy_from_slice(&self.kind.to_ne_bytes());
+ buf[4..8].copy_from_slice(&self.device_id.to_ne_bytes());
+ buf[8..12].copy_from_slice(&self.name_len.to_ne_bytes());
+ buf[12..16].copy_from_slice(&self._reserved.to_ne_bytes());
+ buf
+ }
+}
+
enum Handle {
Producer,
+ NamedProducer {
+ name: String,
+ },
Consumer {
events: EventFlags,
pending: Vec<u8>,
@@ -46,6 +96,17 @@ enum Handle {
notified: bool,
vt: usize,
},
+ DeviceConsumer {
+ device_name: String,
+ events: EventFlags,
+ pending: Vec<u8>,
+ notified: bool,
+ },
+ HotplugEvents {
+ events: EventFlags,
+ pending: Vec<u8>,
+ notified: bool,
+ },
Display {
events: EventFlags,
pending: Vec<VtEvent>,
@@ -72,6 +133,9 @@ struct InputScheme {
rshift: bool,
has_new_events: bool,
+
+ devices: BTreeMap<String, u32>,
+ next_device_id: AtomicUsize,
}
impl InputScheme {
@@ -90,9 +154,28 @@ impl InputScheme {
lshift: false,
rshift: false,
has_new_events: false,
+
+ devices: BTreeMap::new(),
+ next_device_id: AtomicUsize::new(1),
}
}
+ fn emit_hotplug(&mut self, kind: u32, device_id: u32, name: &str) {
+ let record = serialize_hotplug(kind, device_id, name);
+ for handle in self.handles.values_mut() {
+ if let Handle::HotplugEvents {
+ pending,
+ notified,
+ ..
+ } = handle
+ {
+ pending.extend_from_slice(&record);
+ *notified = false;
+ }
+ }
+ self.has_new_events = true;
+ }
+
fn switch_vt(&mut self, new_active: usize) {
if let Some(active_vt) = self.active_vt {
if new_active == active_vt {
@@ -146,6 +229,43 @@ impl InputScheme {
self.active_keymap = KeymapData::new(new_active.into());
}
+
+ fn deliver_to_legacy_consumers(&mut self, buf: &[u8]) {
+ if let Some(active_vt) = self.active_vt {
+ for handle in self.handles.values_mut() {
+ if let Handle::Consumer {
+ pending,
+ notified,
+ vt,
+ ..
+ } = handle
+ {
+ if *vt != active_vt {
+ continue;
+ }
+ pending.extend_from_slice(buf);
+ *notified = false;
+ }
+ }
+ }
+ }
+
+ fn deliver_to_device_consumers(&mut self, name: &str, buf: &[u8]) {
+ for handle in self.handles.values_mut() {
+ if let Handle::DeviceConsumer {
+ device_name,
+ pending,
+ notified,
+ ..
+ } = handle
+ {
+ if device_name == name {
+ pending.extend_from_slice(buf);
+ *notified = false;
+ }
+ }
+ }
+ }
}
impl SchemeSync for InputScheme {
@@ -170,7 +290,23 @@ impl SchemeSync for InputScheme {
let command = path_parts.next().ok_or(SysError::new(EINVAL))?;
let handle_ty = match command {
- "producer" => Handle::Producer,
+ "producer" => {
+ if let Some(name) = path_parts.next() {
+ validate_producer_name(name)?;
+ if self.devices.contains_key(name) {
+ return Err(SysError::new(EEXIST));
+ }
+ let device_id = self.next_device_id.fetch_add(1, Ordering::SeqCst) as u32;
+ self.devices.insert(name.to_owned(), device_id);
+ let handle = Handle::NamedProducer {
+ name: name.to_owned(),
+ };
+ self.emit_hotplug(DEVICE_ADD, device_id, name);
+ handle
+ } else {
+ Handle::Producer
+ }
+ }
"consumer" => {
let vt = self.next_vt_id.fetch_add(1, Ordering::Relaxed);
self.vts.insert(vt);
@@ -253,9 +389,23 @@ impl SchemeSync for InputScheme {
}
"control" => Handle::Control,
- _ => {
- log::error!("invalid path '{path}'");
- return Err(SysError::new(EINVAL));
+ "events" => Handle::HotplugEvents {
+ events: EventFlags::empty(),
+ pending: Vec::new(),
+ notified: false,
+ },
+
+ // dynamic device consumer: must be a currently registered device
+ name => {
+ if !self.devices.contains_key(name) {
+ return Err(SysError::new(ENOENT));
+ }
+ Handle::DeviceConsumer {
+ device_name: name.to_owned(),
+ events: EventFlags::empty(),
+ pending: Vec::new(),
+ notified: false,
+ }
}
};
@@ -274,7 +424,7 @@ impl SchemeSync for InputScheme {
let handle = self.handles.get(id)?;
if let Handle::Consumer { vt, .. } = handle {
- write!(w, "{vt}").unwrap();
+ write!(w, "{vt}").map_err(|_| SysError::new(EINVAL))?;
Ok(())
} else {
Err(SysError::new(EINVAL))
@@ -282,6 +432,50 @@ impl SchemeSync for InputScheme {
})
}
+ fn getdents<'buf>(
+ &mut self,
+ id: usize,
+ mut buf: DirentBuf<&'buf mut [u8]>,
+ opaque_offset: u64,
+ ) -> syscall::Result<DirentBuf<&'buf mut [u8]>> {
+ let handle = self.handles.get(id)?;
+ if !matches!(handle, Handle::SchemeRoot) {
+ return Err(SysError::new(ENOTDIR));
+ }
+
+ let static_entries: &[&str] = &[
+ "producer",
+ "consumer",
+ "consumer_bootlog",
+ "events",
+ "handle",
+ "handle_early",
+ "control",
+ ];
+
+ let device_names: Vec<&str> = self.devices.keys().map(|s| s.as_str()).collect();
+
+ let all_entries: Vec<(&str, DirentKind)> = static_entries
+ .iter()
+ .map(|&name| (name, DirentKind::Directory))
+ .chain(device_names.iter().map(|&name| (name, DirentKind::Unspecified)))
+ .collect();
+
+ for (idx, (name, kind)) in all_entries
+ .iter()
+ .enumerate()
+ .skip(opaque_offset as usize)
+ {
+ buf.entry(DirEntry {
+ inode: 0,
+ next_opaque_id: idx as u64 + 1,
+ name,
+ kind: *kind,
+ })?;
+ }
+ Ok(buf)
+ }
+
fn read(
&mut self,
id: usize,
@@ -313,6 +507,22 @@ impl SchemeSync for InputScheme {
Ok(copy)
}
+ Handle::DeviceConsumer { pending, .. } => {
+ let copy = core::cmp::min(pending.len(), buf.len());
+ for (i, byte) in pending.drain(..copy).enumerate() {
+ buf[i] = byte;
+ }
+ Ok(copy)
+ }
+
+ Handle::HotplugEvents { pending, .. } => {
+ let copy = core::cmp::min(pending.len(), buf.len());
+ for (i, byte) in pending.drain(..copy).enumerate() {
+ buf[i] = byte;
+ }
+ Ok(copy)
+ }
+
Handle::Display { pending, .. } => {
if buf.len() % size_of::<VtEvent>() == 0 {
let copy = core::cmp::min(pending.len(), buf.len() / size_of::<VtEvent>());
@@ -334,6 +544,10 @@ impl SchemeSync for InputScheme {
log::error!("producer tried to read");
return Err(SysError::new(EINVAL));
}
+ Handle::NamedProducer { .. } => {
+ log::error!("named producer tried to read");
+ return Err(SysError::new(EINVAL));
+ }
Handle::Control => {
log::error!("control tried to read");
return Err(SysError::new(EINVAL));
@@ -379,11 +593,20 @@ impl SchemeSync for InputScheme {
log::error!("consumer tried to write");
return Err(SysError::new(EINVAL));
}
+ Handle::DeviceConsumer { .. } => {
+ log::error!("device consumer tried to write");
+ return Err(SysError::new(EINVAL));
+ }
+ Handle::HotplugEvents { .. } => {
+ log::error!("hotplug events tried to write");
+ return Err(SysError::new(EINVAL));
+ }
Handle::Display { .. } => {
log::error!("display tried to write");
return Err(SysError::new(EINVAL));
}
Handle::Producer => {}
+ Handle::NamedProducer { .. } => {}
Handle::SchemeRoot => return Err(SysError::new(EBADF)),
}
@@ -397,6 +620,11 @@ impl SchemeSync for InputScheme {
buf.len() / size_of::<Event>(),
)
});
+ let producer_name = match self.handles.get(id)? {
+ Handle::NamedProducer { ref name } => Some(name.clone()),
+ Handle::Producer => None,
+ _ => return Err(SysError::new(EBADF)),
+ };
for i in 0..events.len() {
let mut new_active_opt = None;
@@ -437,38 +665,21 @@ impl SchemeSync for InputScheme {
}
}
- let handle = self.handles.get_mut(id)?;
- assert!(matches!(handle, Handle::Producer));
-
- let buf = unsafe {
+ let serialized = unsafe {
core::slice::from_raw_parts(
(events.as_ptr()) as *const u8,
events.len() * size_of::<Event>(),
)
};
- if let Some(active_vt) = self.active_vt {
- for handle in self.handles.values_mut() {
- match handle {
- Handle::Consumer {
- pending,
- notified,
- vt,
- ..
- } => {
- if *vt != active_vt {
- continue;
- }
-
- pending.extend_from_slice(buf);
- *notified = false;
- }
- _ => continue,
- }
- }
+ if let Some(ref name) = producer_name {
+ self.deliver_to_device_consumers(name, serialized);
}
- Ok(buf.len())
+ // named producers also feed the legacy path; legacy producers only feed legacy
+ self.deliver_to_legacy_consumers(serialized);
+
+ Ok(serialized.len())
}
fn fevent(
@@ -487,6 +698,24 @@ impl SchemeSync for InputScheme {
*notified = false;
Ok(EventFlags::empty())
}
+ Handle::DeviceConsumer {
+ ref mut events,
+ ref mut notified,
+ ..
+ } => {
+ *events = flags;
+ *notified = false;
+ Ok(EventFlags::empty())
+ }
+ Handle::HotplugEvents {
+ ref mut events,
+ ref mut notified,
+ ..
+ } => {
+ *events = flags;
+ *notified = false;
+ Ok(EventFlags::empty())
+ }
Handle::Display {
ref mut events,
ref mut notified,
@@ -496,7 +725,7 @@ impl SchemeSync for InputScheme {
*notified = false;
Ok(EventFlags::empty())
}
- Handle::Producer | Handle::Control => {
+ Handle::Producer | Handle::NamedProducer { .. } | Handle::Control => {
log::error!("producer or control tried to use an event queue");
Err(SysError::new(EINVAL))
}
@@ -505,8 +734,8 @@ impl SchemeSync for InputScheme {
}
fn on_close(&mut self, id: usize) {
- match self.handles.remove(id).unwrap() {
- Handle::Consumer { vt, .. } => {
+ match self.handles.remove(id) {
+ Some(Handle::Consumer { vt, .. }) => {
self.vts.remove(&vt);
if self.active_vt == Some(vt) {
if let Some(&new_vt) = self.vts.last() {
@@ -516,7 +745,15 @@ impl SchemeSync for InputScheme {
}
}
}
- _ => {}
+ Some(Handle::NamedProducer { name, .. }) => {
+ if let Some(device_id) = self.devices.remove(&name) {
+ self.emit_hotplug(DEVICE_REMOVE, device_id, &name);
+ }
+ }
+ Some(_) => {}
+ None => {
+ log::warn!("inputd: on_close called with unknown handle id {id}");
+ }
}
}
}
@@ -564,6 +801,39 @@ fn deamon(daemon: daemon::SchemeDaemon) -> anyhow::Result<()> {
*notified = true;
}
+ Handle::DeviceConsumer {
+ events,
+ pending,
+ ref mut notified,
+ ..
+ } => {
+ if pending.is_empty() || *notified || !events.contains(EventFlags::EVENT_READ) {
+ continue;
+ }
+
+ socket_file.write_response(
+ Response::post_fevent(*id, EventFlags::EVENT_READ.bits()),
+ SignalBehavior::Restart,
+ )?;
+
+ *notified = true;
+ }
+ Handle::HotplugEvents {
+ events,
+ pending,
+ ref mut notified,
+ } => {
+ if pending.is_empty() || *notified || !events.contains(EventFlags::EVENT_READ) {
+ continue;
+ }
+
+ socket_file.write_response(
+ Response::post_fevent(*id, EventFlags::EVENT_READ.bits()),
+ SignalBehavior::Restart,
+ )?;
+
+ *notified = true;
+ }
Handle::Display {
events,
pending,
@@ -589,8 +859,11 @@ fn deamon(daemon: daemon::SchemeDaemon) -> anyhow::Result<()> {
}
fn daemon_runner(daemon: daemon::SchemeDaemon) -> ! {
- deamon(daemon).unwrap();
- unreachable!();
+ if let Err(err) = deamon(daemon) {
+ log::error!("inputd: scheme daemon failed: {err}");
+ std::process::exit(1);
+ }
+ unreachable!()
}
const HELP: &str = r#"
@@ -608,13 +881,26 @@ fn main() {
match val.as_ref() {
// Activates a VT.
"-A" => {
- let vt = args.next().unwrap().parse::<usize>().unwrap();
+ let vt_str = args.next().unwrap_or_else(|| {
+ eprintln!("inputd: -A requires a VT number argument");
+ std::process::exit(1);
+ });
+ let vt = vt_str.parse::<usize>().unwrap_or_else(|_| {
+ eprintln!("inputd: invalid VT number: {vt_str}");
+ std::process::exit(1);
+ });
- let mut handle =
- inputd::ControlHandle::new().expect("inputd: failed to open control handle");
- handle
- .activate_vt(vt)
- .expect("inputd: failed to activate VT");
+ let mut handle = match inputd::ControlHandle::new() {
+ Ok(h) => h,
+ Err(e) => {
+ eprintln!("inputd: failed to open control handle: {e}");
+ std::process::exit(1);
+ }
+ };
+ if let Err(e) = handle.activate_vt(vt) {
+ eprintln!("inputd: failed to activate VT {vt}: {e}");
+ std::process::exit(1);
+ }
}
// Activates a keymap.
"-K" => {
@@ -630,11 +916,17 @@ fn main() {
std::process::exit(1);
});
- let mut handle =
- inputd::ControlHandle::new().expect("inputd: failed to open control handle");
- handle
- .activate_keymap(vt as usize)
- .expect("inputd: failed to activate keymap");
+ let mut handle = match inputd::ControlHandle::new() {
+ Ok(h) => h,
+ Err(e) => {
+ eprintln!("inputd: failed to open control handle: {e}");
+ std::process::exit(1);
+ }
+ };
+ if let Err(e) = handle.activate_keymap(vt as usize) {
+ eprintln!("inputd: failed to activate keymap: {e}");
+ std::process::exit(1);
+ }
}
// List available keymaps
"--keymaps" => {
@@ -647,7 +939,10 @@ fn main() {
println!("{}", HELP);
}
- _ => panic!("inputd: invalid argument: {}", val),
+ _ => {
+ eprintln!("inputd: invalid argument: {val}");
+ std::process::exit(1);
+ }
}
} else {
common::setup_logging(
local/patches/base/P2-logd.patch
+164
View File
@@ -0,0 +1,164 @@
# P2-logd.patch
# Extract logd hardening: optional kernel debug/syslog handles, graceful error
# handling, and resilient request processing loop.
#
# Files: logd/src/main.rs, logd/src/scheme.rs
diff --git a/logd/src/main.rs b/logd/src/main.rs
index 3636f1fa..559d8993 100644
--- a/logd/src/main.rs
+++ b/logd/src/main.rs
@@ -6,18 +6,30 @@ use crate::scheme::LogScheme;
mod scheme;
fn daemon(daemon: daemon::SchemeDaemon) -> ! {
- let socket = Socket::create().expect("logd: failed to create log scheme");
+ let socket = match Socket::create() {
+ Ok(s) => s,
+ Err(e) => {
+ eprintln!("logd: failed to create log scheme: {e}");
+ std::process::exit(1);
+ }
+ };
let mut scheme = LogScheme::new(&socket);
let handler = Blocking::new(&socket, 16);
let _ = daemon.ready_sync_scheme(&socket, &mut scheme);
- libredox::call::setrens(0, 0).expect("logd: failed to enter null namespace");
-
- handler
- .process_requests_blocking(scheme)
- .expect("logd: failed to process requests");
+ if let Err(e) = libredox::call::setrens(0, 0) {
+ eprintln!("logd: failed to enter null namespace: {e}");
+ }
+
+ match handler.process_requests_blocking(scheme) {
+ Ok(never) => match never {},
+ Err(e) => {
+ eprintln!("logd: failed to process requests: {e}");
+ std::process::exit(1);
+ }
+ }
}
fn main() {
diff --git a/logd/src/scheme.rs b/logd/src/scheme.rs
index 070de3d6..ef3e175c 100644
--- a/logd/src/scheme.rs
+++ b/logd/src/scheme.rs
@@ -22,7 +22,7 @@ pub enum LogHandle {
pub struct LogScheme<'sock> {
socket: &'sock Socket,
- kernel_debug: File,
+ kernel_debug: Option<File>,
output_tx: Sender<OutputCmd>,
handles: HandleMap<LogHandle>,
}
@@ -34,12 +34,24 @@ enum OutputCmd {
impl<'sock> LogScheme<'sock> {
pub fn new(socket: &'sock Socket) -> Self {
- let kernel_debug = OpenOptions::new()
+ let kernel_debug = match OpenOptions::new()
.write(true)
.open("/scheme/debug")
- .unwrap();
+ {
+ Ok(f) => Some(f),
+ Err(e) => {
+ eprintln!("logd: failed to open /scheme/debug: {e}");
+ None
+ }
+ };
- let mut kernel_sys_log = std::fs::File::open("/scheme/sys/log").unwrap();
+ let kernel_sys_log = match std::fs::File::open("/scheme/sys/log") {
+ Ok(f) => Some(f),
+ Err(e) => {
+ eprintln!("logd: failed to open /scheme/sys/log: {e}");
+ None
+ }
+ };
let (output_tx, output_rx) = mpsc::channel::<OutputCmd>();
@@ -72,20 +84,28 @@ impl<'sock> LogScheme<'sock> {
}
});
- let output_tx2 = output_tx.clone();
- std::thread::spawn(move || {
- let mut handle_buf = vec![];
- let mut buf = [0; 4096];
- buf[.."kernel: ".len()].copy_from_slice(b"kernel: ");
- loop {
- let n = kernel_sys_log.read(&mut buf["kernel: ".len()..]).unwrap();
- if n == 0 {
- // FIXME currently possible as /scheme/log/kernel presents a snapshot of the log queue
- break;
+ if let Some(mut kernel_sys_log) = kernel_sys_log {
+ let output_tx2 = output_tx.clone();
+ std::thread::spawn(move || {
+ let mut handle_buf = vec![];
+ let mut buf = [0; 4096];
+ buf[.."kernel: ".len()].copy_from_slice(b"kernel: ");
+ loop {
+ let n = match kernel_sys_log.read(&mut buf["kernel: ".len()..]) {
+ Ok(n) => n,
+ Err(e) => {
+ eprintln!("logd: error reading kernel log: {e}");
+ break;
+ }
+ };
+ if n == 0 {
+ // FIXME currently possible as /scheme/log/kernel presents a snapshot of the log queue
+ break;
+ }
+ Self::write_logs(&output_tx2, &mut handle_buf, "kernel", &buf, None);
}
- Self::write_logs(&output_tx2, &mut handle_buf, "kernel", &buf, None);
- }
- });
+ });
+ }
LogScheme {
socket,
@@ -120,9 +140,9 @@ impl<'sock> LogScheme<'sock> {
let _ = kernel_debug.flush();
}
- output_tx
- .send(OutputCmd::Log(mem::take(handle_buf)))
- .unwrap();
+ if let Err(e) = output_tx.send(OutputCmd::Log(mem::take(handle_buf))) {
+ eprintln!("logd: failed to send log output: {e}");
+ }
}
i += 1;
@@ -196,7 +216,7 @@ impl<'sock> SchemeSync for LogScheme<'sock> {
handle_buf,
context,
buf,
- Some(&mut self.kernel_debug),
+ self.kernel_debug.as_mut(),
);
Ok(buf.len())
@@ -217,7 +237,10 @@ impl<'sock> SchemeSync for LogScheme<'sock> {
) {
return Err(e);
}
- self.output_tx.send(OutputCmd::AddSink(new_fd)).unwrap();
+ if let Err(e) = self.output_tx.send(OutputCmd::AddSink(new_fd)) {
+ eprintln!("logd: failed to add log sink: {e}");
+ return Err(Error::new(EIO));
+ }
Ok(1)
}
local/patches/base/P2-network-driver-mains.patch
+607
View File
@@ -0,0 +1,607 @@
# P2-network-driver-mains.patch
# Extract network driver main.rs hardening: replace panic/unwrap/expect with
# proper error handling and graceful exits.
#
# Files: drivers/net/e1000d/src/main.rs, drivers/net/ixgbed/src/main.rs,
# drivers/net/rtl8139d/src/main.rs, drivers/net/rtl8168d/src/main.rs,
# drivers/net/virtio-netd/src/main.rs
diff --git a/drivers/net/e1000d/src/main.rs b/drivers/net/e1000d/src/main.rs
index 373ea9b3..8ff57b33 100644
--- a/drivers/net/e1000d/src/main.rs
+++ b/drivers/net/e1000d/src/main.rs
@@ -1,5 +1,6 @@
use std::io::{Read, Write};
use std::os::unix::io::AsRawFd;
+use std::process;
use driver_network::NetworkScheme;
use event::{user_data, EventQueue};
@@ -25,10 +26,13 @@ fn daemon(daemon: daemon::Daemon, mut pcid_handle: PciFunctionHandle) -> ! {
common::file_level(),
);
- let irq = pci_config
- .func
- .legacy_interrupt_line
- .expect("e1000d: no legacy interrupts supported");
+ let irq = match pci_config.func.legacy_interrupt_line {
+ Some(irq) => irq,
+ None => {
+ log::error!("e1000d: no legacy interrupts supported");
+ process::exit(1);
+ }
+ };
log::info!("E1000 {}", pci_config.func.display());
@@ -38,7 +42,10 @@ fn daemon(daemon: daemon::Daemon, mut pcid_handle: PciFunctionHandle) -> ! {
let mut scheme = NetworkScheme::new(
move || unsafe {
- device::Intel8254x::new(address).expect("e1000d: failed to allocate device")
+ device::Intel8254x::new(address).unwrap_or_else(|err| {
+ log::error!("e1000d: failed to allocate device: {err}");
+ process::exit(1);
+ })
},
daemon,
format!("network.{name}"),
@@ -51,7 +58,10 @@ fn daemon(daemon: daemon::Daemon, mut pcid_handle: PciFunctionHandle) -> ! {
}
}
- let event_queue = EventQueue::<Source>::new().expect("e1000d: failed to create event queue");
+ let mut event_queue = EventQueue::<Source>::new().unwrap_or_else(|err| {
+ log::error!("e1000d: failed to create event queue: {err}");
+ process::exit(1);
+ });
event_queue
.subscribe(
@@ -59,32 +69,65 @@ fn daemon(daemon: daemon::Daemon, mut pcid_handle: PciFunctionHandle) -> ! {
Source::Irq,
event::EventFlags::READ,
)
- .expect("e1000d: failed to subscribe to IRQ fd");
+ .unwrap_or_else(|err| {
+ log::error!("e1000d: failed to subscribe to IRQ fd: {err}");
+ process::exit(1);
+ });
event_queue
.subscribe(
scheme.event_handle().raw(),
Source::Scheme,
event::EventFlags::READ,
)
- .expect("e1000d: failed to subscribe to scheme fd");
-
- libredox::call::setrens(0, 0).expect("e1000d: failed to enter null namespace");
-
- scheme.tick().unwrap();
+ .unwrap_or_else(|err| {
+ log::error!("e1000d: failed to subscribe to scheme fd: {err}");
+ process::exit(1);
+ });
+
+ libredox::call::setrens(0, 0).unwrap_or_else(|err| {
+ log::error!("e1000d: failed to enter null namespace: {err}");
+ process::exit(1);
+ });
+
+ if let Err(err) = scheme.tick() {
+ log::error!("e1000d: failed initial scheme tick: {err}");
+ process::exit(1);
+ }
- for event in event_queue.map(|e| e.expect("e1000d: failed to get event")) {
+ loop {
+ let event = match event_queue.next() {
+ Some(Ok(event)) => event,
+ Some(Err(err)) => {
+ log::error!("e1000d: failed to get event: {err}");
+ continue;
+ }
+ None => break,
+ };
match event.user_data {
Source::Irq => {
let mut irq = [0; 8];
- irq_file.read(&mut irq).unwrap();
+ if let Err(err) = irq_file.read(&mut irq) {
+ log::error!("e1000d: failed to read IRQ: {err}");
+ continue;
+ }
if unsafe { scheme.adapter().irq() } {
- irq_file.write(&mut irq).unwrap();
-
- scheme.tick().expect("e1000d: failed to handle IRQ")
+ if let Err(err) = irq_file.write(&mut irq) {
+ log::error!("e1000d: failed to write IRQ: {err}");
+ continue;
+ }
+
+ if let Err(err) = scheme.tick() {
+ log::error!("e1000d: failed to handle IRQ: {err}");
+ }
+ }
+ }
+ Source::Scheme => {
+ if let Err(err) = scheme.tick() {
+ log::error!("e1000d: failed to handle scheme op: {err}");
}
}
- Source::Scheme => scheme.tick().expect("e1000d: failed to handle scheme op"),
}
}
- unreachable!()
+
+ process::exit(0);
}
diff --git a/drivers/net/ixgbed/src/main.rs b/drivers/net/ixgbed/src/main.rs
index 4a6ce74d..855d339d 100644
--- a/drivers/net/ixgbed/src/main.rs
+++ b/drivers/net/ixgbed/src/main.rs
@@ -1,5 +1,6 @@
use std::io::{Read, Write};
use std::os::unix::io::AsRawFd;
+use std::process;
use driver_network::NetworkScheme;
use event::{user_data, EventQueue};
@@ -19,12 +20,23 @@ fn daemon(daemon: daemon::Daemon, mut pcid_handle: PciFunctionHandle) -> ! {
let mut name = pci_config.func.name();
name.push_str("_ixgbe");
- let irq = pci_config
- .func
- .legacy_interrupt_line
- .expect("ixgbed: no legacy interrupts supported");
+ common::setup_logging(
+ "net",
+ "pci",
+ &name,
+ common::output_level(),
+ common::file_level(),
+ );
+
+ let irq = match pci_config.func.legacy_interrupt_line {
+ Some(irq) => irq,
+ None => {
+ log::error!("ixgbed: no legacy interrupts supported");
+ process::exit(1);
+ }
+ };
- println!(" + IXGBE {}", pci_config.func.display());
+ log::info!("IXGBE {}", pci_config.func.display());
let mut irq_file = irq.irq_handle("ixgbed");
@@ -34,8 +46,10 @@ fn daemon(daemon: daemon::Daemon, mut pcid_handle: PciFunctionHandle) -> ! {
let mut scheme = NetworkScheme::new(
move || {
- device::Intel8259x::new(address as usize, size)
- .expect("ixgbed: failed to allocate device")
+ device::Intel8259x::new(address as usize, size).unwrap_or_else(|err| {
+ log::error!("ixgbed: failed to allocate device: {err}");
+ process::exit(1);
+ })
},
daemon,
format!("network.{name}"),
@@ -48,41 +62,77 @@ fn daemon(daemon: daemon::Daemon, mut pcid_handle: PciFunctionHandle) -> ! {
}
}
- let event_queue = EventQueue::<Source>::new().expect("ixgbed: Could not create event queue.");
+ let mut event_queue = EventQueue::<Source>::new().unwrap_or_else(|err| {
+ log::error!("ixgbed: failed to create event queue: {err}");
+ process::exit(1);
+ });
+
event_queue
.subscribe(
irq_file.as_raw_fd() as usize,
Source::Irq,
event::EventFlags::READ,
)
- .unwrap();
+ .unwrap_or_else(|err| {
+ log::error!("ixgbed: failed to subscribe to IRQ fd: {err}");
+ process::exit(1);
+ });
event_queue
.subscribe(
scheme.event_handle().raw(),
Source::Scheme,
event::EventFlags::READ,
)
- .unwrap();
-
- libredox::call::setrens(0, 0).expect("ixgbed: failed to enter null namespace");
+ .unwrap_or_else(|err| {
+ log::error!("ixgbed: failed to subscribe to scheme fd: {err}");
+ process::exit(1);
+ });
+
+ libredox::call::setrens(0, 0).unwrap_or_else(|err| {
+ log::error!("ixgbed: failed to enter null namespace: {err}");
+ process::exit(1);
+ });
+
+ if let Err(err) = scheme.tick() {
+ log::error!("ixgbed: failed initial scheme tick: {err}");
+ process::exit(1);
+ }
- scheme.tick().unwrap();
+ loop {
+ let event = match event_queue.next() {
+ Some(Ok(event)) => event,
+ Some(Err(err)) => {
+ log::error!("ixgbed: failed to get event: {err}");
+ continue;
+ }
+ None => break,
+ };
- for event in event_queue.map(|e| e.expect("ixgbed: failed to get next event")) {
match event.user_data {
Source::Irq => {
let mut irq = [0; 8];
- irq_file.read(&mut irq).unwrap();
+ if let Err(err) = irq_file.read(&mut irq) {
+ log::error!("ixgbed: failed to read IRQ: {err}");
+ continue;
+ }
if scheme.adapter().irq() {
- irq_file.write(&mut irq).unwrap();
-
- scheme.tick().unwrap();
+ if let Err(err) = irq_file.write(&mut irq) {
+ log::error!("ixgbed: failed to write IRQ: {err}");
+ continue;
+ }
+
+ if let Err(err) = scheme.tick() {
+ log::error!("ixgbed: failed to handle IRQ: {err}");
+ }
}
}
Source::Scheme => {
- scheme.tick().unwrap();
+ if let Err(err) = scheme.tick() {
+ log::error!("ixgbed: failed to handle scheme op: {err}");
+ }
}
}
}
- unreachable!()
+
+ process::exit(0);
}
diff --git a/drivers/net/rtl8139d/src/main.rs b/drivers/net/rtl8139d/src/main.rs
index d470e814..64335a23 100644
--- a/drivers/net/rtl8139d/src/main.rs
+++ b/drivers/net/rtl8139d/src/main.rs
@@ -1,5 +1,6 @@
use std::io::{Read, Write};
use std::os::unix::io::AsRawFd;
+use std::process;
use driver_network::NetworkScheme;
use event::{user_data, EventQueue};
@@ -32,7 +33,8 @@ fn map_bar(pcid_handle: &mut PciFunctionHandle) -> *mut u8 {
other => log::warn!("BAR {} is {:?} instead of memory BAR", barnum, other),
}
}
- panic!("rtl8139d: failed to find BAR");
+ log::error!("rtl8139d: failed to find BAR");
+ process::exit(1);
}
fn main() {
@@ -61,7 +63,10 @@ fn daemon(daemon: daemon::Daemon, mut pcid_handle: PciFunctionHandle) -> ! {
let mut scheme = NetworkScheme::new(
move || unsafe {
- device::Rtl8139::new(bar as usize).expect("rtl8139d: failed to allocate device")
+ device::Rtl8139::new(bar as usize).unwrap_or_else(|err| {
+ log::error!("rtl8139d: failed to allocate device: {err}");
+ process::exit(1);
+ })
},
daemon,
format!("network.{name}"),
@@ -74,42 +79,76 @@ fn daemon(daemon: daemon::Daemon, mut pcid_handle: PciFunctionHandle) -> ! {
}
}
- let event_queue = EventQueue::<Source>::new().expect("rtl8139d: Could not create event queue.");
+ let mut event_queue = EventQueue::<Source>::new().unwrap_or_else(|err| {
+ log::error!("rtl8139d: failed to create event queue: {err}");
+ process::exit(1);
+ });
event_queue
.subscribe(
irq_file.irq_handle().as_raw_fd() as usize,
Source::Irq,
event::EventFlags::READ,
)
- .unwrap();
+ .unwrap_or_else(|err| {
+ log::error!("rtl8139d: failed to subscribe to IRQ fd: {err}");
+ process::exit(1);
+ });
event_queue
.subscribe(
scheme.event_handle().raw(),
Source::Scheme,
event::EventFlags::READ,
)
- .unwrap();
-
- libredox::call::setrens(0, 0).expect("rtl8139d: failed to enter null namespace");
-
- scheme.tick().unwrap();
+ .unwrap_or_else(|err| {
+ log::error!("rtl8139d: failed to subscribe to scheme fd: {err}");
+ process::exit(1);
+ });
+
+ libredox::call::setrens(0, 0).unwrap_or_else(|err| {
+ log::error!("rtl8139d: failed to enter null namespace: {err}");
+ process::exit(1);
+ });
+
+ if let Err(err) = scheme.tick() {
+ log::error!("rtl8139d: failed initial scheme tick: {err}");
+ process::exit(1);
+ }
- for event in event_queue.map(|e| e.expect("rtl8139d: failed to get next event")) {
+ loop {
+ let event = match event_queue.next() {
+ Some(Ok(event)) => event,
+ Some(Err(err)) => {
+ log::error!("rtl8139d: failed to get next event: {err}");
+ continue;
+ }
+ None => break,
+ };
match event.user_data {
Source::Irq => {
let mut irq = [0; 8];
- irq_file.irq_handle().read(&mut irq).unwrap();
+ if let Err(err) = irq_file.irq_handle().read(&mut irq) {
+ log::error!("rtl8139d: failed to read IRQ: {err}");
+ continue;
+ }
//TODO: This may be causing spurious interrupts
if unsafe { scheme.adapter_mut().irq() } {
- irq_file.irq_handle().write(&mut irq).unwrap();
-
- scheme.tick().unwrap();
+ if let Err(err) = irq_file.irq_handle().write(&mut irq) {
+ log::error!("rtl8139d: failed to write IRQ: {err}");
+ continue;
+ }
+
+ if let Err(err) = scheme.tick() {
+ log::error!("rtl8139d: failed to handle IRQ tick: {err}");
+ }
}
}
Source::Scheme => {
- scheme.tick().unwrap();
+ if let Err(err) = scheme.tick() {
+ log::error!("rtl8139d: failed to handle scheme op: {err}");
+ }
}
}
}
- unreachable!()
+
+ process::exit(0);
}
diff --git a/drivers/net/rtl8168d/src/main.rs b/drivers/net/rtl8168d/src/main.rs
index 1d9963a3..bd2fcb1a 100644
--- a/drivers/net/rtl8168d/src/main.rs
+++ b/drivers/net/rtl8168d/src/main.rs
@@ -1,5 +1,6 @@
use std::io::{Read, Write};
use std::os::unix::io::AsRawFd;
+use std::process;
use driver_network::NetworkScheme;
use event::{user_data, EventQueue};
@@ -32,7 +33,8 @@ fn map_bar(pcid_handle: &mut PciFunctionHandle) -> *mut u8 {
other => log::warn!("BAR {} is {:?} instead of memory BAR", barnum, other),
}
}
- panic!("rtl8168d: failed to find BAR");
+ log::error!("rtl8168d: failed to find BAR");
+ process::exit(1);
}
fn main() {
@@ -61,7 +63,10 @@ fn daemon(daemon: daemon::Daemon, mut pcid_handle: PciFunctionHandle) -> ! {
let mut scheme = NetworkScheme::new(
move || unsafe {
- device::Rtl8168::new(bar as usize).expect("rtl8168d: failed to allocate device")
+ device::Rtl8168::new(bar as usize).unwrap_or_else(|err| {
+ log::error!("rtl8168d: failed to allocate device: {err}");
+ process::exit(1);
+ })
},
daemon,
format!("network.{name}"),
@@ -74,42 +79,76 @@ fn daemon(daemon: daemon::Daemon, mut pcid_handle: PciFunctionHandle) -> ! {
}
}
- let event_queue = EventQueue::<Source>::new().expect("rtl8168d: Could not create event queue.");
+ let mut event_queue = EventQueue::<Source>::new().unwrap_or_else(|err| {
+ log::error!("rtl8168d: failed to create event queue: {err}");
+ process::exit(1);
+ });
event_queue
.subscribe(
irq_file.irq_handle().as_raw_fd() as usize,
Source::Irq,
event::EventFlags::READ,
)
- .unwrap();
+ .unwrap_or_else(|err| {
+ log::error!("rtl8168d: failed to subscribe to IRQ fd: {err}");
+ process::exit(1);
+ });
event_queue
.subscribe(
scheme.event_handle().raw(),
Source::Scheme,
event::EventFlags::READ,
)
- .unwrap();
-
- libredox::call::setrens(0, 0).expect("rtl8168d: failed to enter null namespace");
-
- scheme.tick().unwrap();
+ .unwrap_or_else(|err| {
+ log::error!("rtl8168d: failed to subscribe to scheme fd: {err}");
+ process::exit(1);
+ });
+
+ libredox::call::setrens(0, 0).unwrap_or_else(|err| {
+ log::error!("rtl8168d: failed to enter null namespace: {err}");
+ process::exit(1);
+ });
+
+ if let Err(err) = scheme.tick() {
+ log::error!("rtl8168d: failed initial scheme tick: {err}");
+ process::exit(1);
+ }
- for event in event_queue.map(|e| e.expect("rtl8168d: failed to get next event")) {
+ loop {
+ let event = match event_queue.next() {
+ Some(Ok(event)) => event,
+ Some(Err(err)) => {
+ log::error!("rtl8168d: failed to get next event: {err}");
+ continue;
+ }
+ None => break,
+ };
match event.user_data {
Source::Irq => {
let mut irq = [0; 8];
- irq_file.irq_handle().read(&mut irq).unwrap();
+ if let Err(err) = irq_file.irq_handle().read(&mut irq) {
+ log::error!("rtl8168d: failed to read IRQ: {err}");
+ continue;
+ }
//TODO: This may be causing spurious interrupts
if unsafe { scheme.adapter_mut().irq() } {
- irq_file.irq_handle().write(&mut irq).unwrap();
-
- scheme.tick().unwrap();
+ if let Err(err) = irq_file.irq_handle().write(&mut irq) {
+ log::error!("rtl8168d: failed to write IRQ: {err}");
+ continue;
+ }
+
+ if let Err(err) = scheme.tick() {
+ log::error!("rtl8168d: failed to handle IRQ tick: {err}");
+ }
}
}
Source::Scheme => {
- scheme.tick().unwrap();
+ if let Err(err) = scheme.tick() {
+ log::error!("rtl8168d: failed to handle scheme op: {err}");
+ }
}
}
}
- unreachable!()
+
+ process::exit(0);
}
diff --git a/drivers/net/virtio-netd/src/main.rs b/drivers/net/virtio-netd/src/main.rs
index 17d168ef..adbd1086 100644
--- a/drivers/net/virtio-netd/src/main.rs
+++ b/drivers/net/virtio-netd/src/main.rs
@@ -3,6 +3,7 @@ mod scheme;
use std::fs::File;
use std::io::{Read, Write};
use std::mem;
+use std::process;
use driver_network::NetworkScheme;
use pcid_interface::PciFunctionHandle;
@@ -31,8 +32,11 @@ fn main() {
}
fn daemon_runner(daemon: daemon::Daemon, pcid_handle: PciFunctionHandle) -> ! {
- deamon(daemon, pcid_handle).unwrap();
- unreachable!();
+ deamon(daemon, pcid_handle).unwrap_or_else(|err| {
+ log::error!("virtio-netd: daemon failed: {err}");
+ process::exit(1);
+ });
+ process::exit(0);
}
fn deamon(
@@ -52,7 +56,10 @@ fn deamon(
// 0x1000 - virtio-net
let pci_config = pcid_handle.config();
- assert_eq!(pci_config.func.full_device_id.device_id, 0x1000);
+ if pci_config.func.full_device_id.device_id != 0x1000 {
+ log::error!("virtio-netd: unexpected device ID {:#06x}, expected 0x1000", pci_config.func.full_device_id.device_id);
+ process::exit(1);
+ }
log::info!("virtio-net: initiating startup sequence :^)");
let device = virtio_core::probe_device(&mut pcid_handle)?;
@@ -84,7 +91,8 @@ fn deamon(
device.transport.ack_driver_feature(VIRTIO_NET_F_MAC);
mac
} else {
- unimplemented!()
+ log::error!("virtio-netd: device does not support MAC feature");
+ return Err("virtio-netd: VIRTIO_NET_F_MAC not supported".into());
};
device.transport.finalize_features();
@@ -126,12 +134,23 @@ fn deamon(
data: 0,
})?;
- libredox::call::setrens(0, 0).expect("virtio-netd: failed to enter null namespace");
+ libredox::call::setrens(0, 0).unwrap_or_else(|err| {
+ log::error!("virtio-netd: failed to enter null namespace: {err}");
+ process::exit(1);
+ });
- scheme.tick()?;
+ if let Err(err) = scheme.tick() {
+ log::error!("virtio-netd: failed initial scheme tick: {err}");
+ process::exit(1);
+ }
loop {
- event_queue.read(&mut [0; mem::size_of::<syscall::Event>()])?; // Wait for event
- scheme.tick()?;
+ if let Err(err) = event_queue.read(&mut [0; mem::size_of::<syscall::Event>()]) {
+ log::error!("virtio-netd: failed to read event: {err}");
+ continue;
+ }
+ if let Err(err) = scheme.tick() {
+ log::error!("virtio-netd: failed to handle scheme event: {err}");
+ }
}
local/patches/base/P2-pcid-driver-interface.patch
+1463
View File
File diff suppressed because it is too large Load Diff
local/patches/base/P2-storage-driver-mains.patch
+625
View File
@@ -0,0 +1,625 @@
# P2-storage-driver-mains.patch
# Extract storage driver main.rs hardening: replace panic/unwrap/expect with
# proper error handling, debug_assert for invariant checks, and graceful exits.
#
# Files: drivers/storage/ahcid/src/main.rs, drivers/storage/ided/src/main.rs,
# drivers/storage/nvmed/src/main.rs, drivers/storage/virtio-blkd/src/main.rs
diff --git a/drivers/storage/ahcid/src/main.rs b/drivers/storage/ahcid/src/main.rs
index 1f130a29..cccd2980 100644
--- a/drivers/storage/ahcid/src/main.rs
+++ b/drivers/storage/ahcid/src/main.rs
@@ -2,6 +2,7 @@
use std::io::{Read, Write};
use std::os::fd::AsRawFd;
+use std::process;
use std::usize;
use common::io::Io;
@@ -23,10 +24,13 @@ fn daemon(daemon: daemon::Daemon, mut pcid_handle: PciFunctionHandle) -> ! {
let mut name = pci_config.func.name();
name.push_str("_ahci");
- let irq = pci_config
- .func
- .legacy_interrupt_line
- .expect("ahcid: no legacy interrupts supported");
+ let irq = match pci_config.func.legacy_interrupt_line {
+ Some(irq) => irq,
+ None => {
+ error!("ahcid: no legacy interrupts supported");
+ process::exit(1);
+ }
+ };
common::setup_logging(
"disk",
@@ -57,46 +61,71 @@ fn daemon(daemon: daemon::Daemon, mut pcid_handle: PciFunctionHandle) -> ! {
let mut irq_file = irq.irq_handle("ahcid");
let irq_fd = irq_file.as_raw_fd() as usize;
- let event_queue = RawEventQueue::new().expect("ahcid: failed to create event queue");
+ let event_queue = RawEventQueue::new().unwrap_or_else(|err| {
+ error!("ahcid: failed to create event queue: {err}");
+ process::exit(1);
+ });
- libredox::call::setrens(0, 0).expect("ahcid: failed to enter null namespace");
+ libredox::call::setrens(0, 0).unwrap_or_else(|err| {
+ error!("ahcid: failed to enter null namespace: {err}");
+ process::exit(1);
+ });
event_queue
.subscribe(scheme.event_handle().raw(), 1, EventFlags::READ)
- .expect("ahcid: failed to event scheme socket");
+ .unwrap_or_else(|err| {
+ error!("ahcid: failed to event scheme socket: {err}");
+ process::exit(1);
+ });
event_queue
.subscribe(irq_fd, 1, EventFlags::READ)
- .expect("ahcid: failed to event irq scheme");
+ .unwrap_or_else(|err| {
+ error!("ahcid: failed to event irq scheme: {err}");
+ process::exit(1);
+ });
for event in event_queue {
- let event = event.unwrap();
+ let event = match event {
+ Ok(event) => event,
+ Err(err) => {
+ error!("ahcid: failed to get event: {err}");
+ continue;
+ }
+ };
if event.fd == scheme.event_handle().raw() {
- FuturesExecutor.block_on(scheme.tick()).unwrap();
+ if let Err(err) = FuturesExecutor.block_on(scheme.tick()) {
+ error!("ahcid: failed to handle scheme event: {err}");
+ }
} else if event.fd == irq_fd {
let mut irq = [0; 8];
- if irq_file
- .read(&mut irq)
- .expect("ahcid: failed to read irq file")
- >= irq.len()
- {
- let is = hba_mem.is.read();
- if is > 0 {
- let pi = hba_mem.pi.read();
- let pi_is = pi & is;
- for i in 0..hba_mem.ports.len() {
- if pi_is & 1 << i > 0 {
- let port = &mut hba_mem.ports[i];
- let is = port.is.read();
- port.is.write(is);
- }
+ match irq_file.read(&mut irq) {
+ Ok(count) if count >= irq.len() => {}
+ Ok(_) => continue,
+ Err(err) => {
+ error!("ahcid: failed to read irq file: {err}");
+ continue;
+ }
+ }
+ let is = hba_mem.is.read();
+ if is > 0 {
+ let pi = hba_mem.pi.read();
+ let pi_is = pi & is;
+ for i in 0..hba_mem.ports.len() {
+ if pi_is & 1 << i > 0 {
+ let port = &mut hba_mem.ports[i];
+ let is = port.is.read();
+ port.is.write(is);
}
- hba_mem.is.write(is);
+ }
+ hba_mem.is.write(is);
- irq_file
- .write(&irq)
- .expect("ahcid: failed to write irq file");
+ if let Err(err) = irq_file.write(&irq) {
+ error!("ahcid: failed to write irq file: {err}");
+ continue;
+ }
- FuturesExecutor.block_on(scheme.tick()).unwrap();
+ if let Err(err) = FuturesExecutor.block_on(scheme.tick()) {
+ error!("ahcid: failed to handle IRQ tick: {err}");
}
}
} else {
@@ -105,5 +134,5 @@ fn daemon(daemon: daemon::Daemon, mut pcid_handle: PciFunctionHandle) -> ! {
}
}
- std::process::exit(0);
+ process::exit(0);
}
diff --git a/drivers/storage/ided/src/main.rs b/drivers/storage/ided/src/main.rs
index 4197217d..03174554 100644
--- a/drivers/storage/ided/src/main.rs
+++ b/drivers/storage/ided/src/main.rs
@@ -8,6 +8,7 @@ use std::{
fs::File,
io::{Read, Write},
os::unix::io::{FromRawFd, RawFd},
+ process,
sync::{Arc, Mutex},
thread::{self, sleep},
time::Duration,
@@ -45,17 +46,34 @@ fn daemon(daemon: daemon::Daemon, pcid_handle: PciFunctionHandle) -> ! {
let busmaster_base = pci_config.func.bars[4].expect_port();
let (primary, primary_irq) = if pci_config.func.full_device_id.interface & 1 != 0 {
- panic!("TODO: IDE primary channel is PCI native");
+ error!("ided: IDE primary channel PCI native mode not supported");
+ process::exit(1);
} else {
- (Channel::primary_compat(busmaster_base).unwrap(), 14)
+ (
+ Channel::primary_compat(busmaster_base).unwrap_or_else(|err| {
+ error!("ided: failed to init primary channel: {err}");
+ process::exit(1);
+ }),
+ 14,
+ )
};
let (secondary, secondary_irq) = if pci_config.func.full_device_id.interface & 1 != 0 {
- panic!("TODO: IDE secondary channel is PCI native");
+ error!("ided: IDE secondary channel PCI native mode not supported");
+ process::exit(1);
} else {
- (Channel::secondary_compat(busmaster_base + 8).unwrap(), 15)
+ (
+ Channel::secondary_compat(busmaster_base + 8).unwrap_or_else(|err| {
+ error!("ided: failed to init secondary channel: {err}");
+ process::exit(1);
+ }),
+ 15,
+ )
};
- common::acquire_port_io_rights().expect("ided: failed to get I/O privilege");
+ common::acquire_port_io_rights().unwrap_or_else(|err| {
+ error!("ided: failed to get I/O privilege: {err}");
+ process::exit(1);
+ });
//TODO: move this to ide.rs?
let chans = vec![
@@ -87,13 +105,13 @@ fn daemon(daemon: daemon::Daemon, pcid_handle: PciFunctionHandle) -> ! {
for (chan_i, chan_lock) in chans.iter().enumerate() {
let mut chan = chan_lock.lock().unwrap();
- println!(" - channel {}", chan_i);
+ log::info!(" - channel {}", chan_i);
// Disable IRQs
chan.control.write(2);
for dev in 0..=1 {
- println!(" - device {}", dev);
+ log::info!(" - device {}", dev);
// Select device
chan.device_select.write(0xA0 | (dev << 4));
@@ -105,7 +123,7 @@ fn daemon(daemon: daemon::Daemon, pcid_handle: PciFunctionHandle) -> ! {
// Check if device exists
if chan.status.read() == 0 {
- println!(" not found");
+ log::info!(" not found");
continue;
}
@@ -125,7 +143,7 @@ fn daemon(daemon: daemon::Daemon, pcid_handle: PciFunctionHandle) -> ! {
//TODO: probe ATAPI
if error {
- println!(" error");
+ log::info!(" error");
continue;
}
@@ -189,12 +207,12 @@ fn daemon(daemon: daemon::Daemon, pcid_handle: PciFunctionHandle) -> ! {
48
};
- println!(" Serial: {}", serial.trim());
- println!(" Firmware: {}", firmware.trim());
- println!(" Model: {}", model.trim());
- println!(" Size: {} MB", sectors / 2048);
- println!(" DMA: {}", dma);
- println!(" {}-bit LBA", lba_bits);
+ log::info!(" Serial: {}", serial.trim());
+ log::info!(" Firmware: {}", firmware.trim());
+ log::info!(" Model: {}", model.trim());
+ log::info!(" Size: {} MB", sectors / 2048);
+ log::info!(" DMA: {}", dma);
+ log::info!(" {}-bit LBA", lba_bits);
disks.push(AnyDisk::Ata(AtaDisk {
chan: chan_lock.clone(),
@@ -227,7 +245,10 @@ fn daemon(daemon: daemon::Daemon, pcid_handle: PciFunctionHandle) -> ! {
flag::O_RDWR | flag::O_NONBLOCK,
0,
)
- .expect("ided: failed to open irq file");
+ .unwrap_or_else(|err| {
+ error!("ided: failed to open primary irq file: {err}");
+ process::exit(1);
+ });
let mut primary_irq_file = unsafe { File::from_raw_fd(primary_irq_fd as RawFd) };
let secondary_irq_fd = libredox::call::open(
@@ -235,70 +256,107 @@ fn daemon(daemon: daemon::Daemon, pcid_handle: PciFunctionHandle) -> ! {
flag::O_RDWR | flag::O_NONBLOCK,
0,
)
- .expect("ided: failed to open irq file");
+ .unwrap_or_else(|err| {
+ error!("ided: failed to open secondary irq file: {err}");
+ process::exit(1);
+ });
let mut secondary_irq_file = unsafe { File::from_raw_fd(secondary_irq_fd as RawFd) };
- let event_queue = RawEventQueue::new().expect("ided: failed to open event file");
+ let event_queue = RawEventQueue::new().unwrap_or_else(|err| {
+ error!("ided: failed to open event file: {err}");
+ process::exit(1);
+ });
- libredox::call::setrens(0, 0).expect("ided: failed to enter null namespace");
+ libredox::call::setrens(0, 0).unwrap_or_else(|err| {
+ error!("ided: failed to enter null namespace: {err}");
+ process::exit(1);
+ });
event_queue
.subscribe(scheme.event_handle().raw(), 0, EventFlags::READ)
- .expect("ided: failed to event disk scheme");
+ .unwrap_or_else(|err| {
+ error!("ided: failed to event disk scheme: {err}");
+ process::exit(1);
+ });
event_queue
.subscribe(primary_irq_fd, 0, EventFlags::READ)
- .expect("ided: failed to event irq scheme");
+ .unwrap_or_else(|err| {
+ error!("ided: failed to event primary irq: {err}");
+ process::exit(1);
+ });
event_queue
.subscribe(secondary_irq_fd, 0, EventFlags::READ)
- .expect("ided: failed to event irq scheme");
+ .unwrap_or_else(|err| {
+ error!("ided: failed to event secondary irq: {err}");
+ process::exit(1);
+ });
for event in event_queue {
- let event = event.unwrap();
+ let event = match event {
+ Ok(event) => event,
+ Err(err) => {
+ error!("ided: failed to get event: {err}");
+ continue;
+ }
+ };
if event.fd == scheme.event_handle().raw() {
- FuturesExecutor.block_on(scheme.tick()).unwrap();
+ if let Err(err) = FuturesExecutor.block_on(scheme.tick()) {
+ error!("ided: failed to handle scheme event: {err}");
+ }
} else if event.fd == primary_irq_fd {
let mut irq = [0; 8];
- if primary_irq_file
- .read(&mut irq)
- .expect("ided: failed to read irq file")
- >= irq.len()
- {
- let _chan = chans[0].lock().unwrap();
- //TODO: check chan for irq
+ match primary_irq_file.read(&mut irq) {
+ Ok(count) if count >= irq.len() => {}
+ Ok(_) => continue,
+ Err(err) => {
+ error!("ided: failed to read primary irq file: {err}");
+ continue;
+ }
+ }
+ let _chan = chans[0].lock().unwrap();
+ //TODO: check chan for irq
- primary_irq_file
- .write(&irq)
- .expect("ided: failed to write irq file");
+ if let Err(err) = primary_irq_file.write(&irq) {
+ error!("ided: failed to write primary irq file: {err}");
+ continue;
+ }
- FuturesExecutor.block_on(scheme.tick()).unwrap();
+ if let Err(err) = FuturesExecutor.block_on(scheme.tick()) {
+ error!("ided: failed to handle primary IRQ tick: {err}");
}
} else if event.fd == secondary_irq_fd {
let mut irq = [0; 8];
- if secondary_irq_file
- .read(&mut irq)
- .expect("ided: failed to read irq file")
- >= irq.len()
- {
- let _chan = chans[1].lock().unwrap();
- //TODO: check chan for irq
+ match secondary_irq_file.read(&mut irq) {
+ Ok(count) if count >= irq.len() => {}
+ Ok(_) => continue,
+ Err(err) => {
+ error!("ided: failed to read secondary irq file: {err}");
+ continue;
+ }
+ }
+ let _chan = chans[1].lock().unwrap();
+ //TODO: check chan for irq
- secondary_irq_file
- .write(&irq)
- .expect("ided: failed to write irq file");
+ if let Err(err) = secondary_irq_file.write(&irq) {
+ error!("ided: failed to write secondary irq file: {err}");
+ continue;
+ }
- FuturesExecutor.block_on(scheme.tick()).unwrap();
+ if let Err(err) = FuturesExecutor.block_on(scheme.tick()) {
+ error!("ided: failed to handle secondary IRQ tick: {err}");
}
} else {
error!("Unknown event {}", event.fd);
}
}
- std::process::exit(0);
+ process::exit(0);
}
#[cfg(not(any(target_arch = "x86", target_arch = "x86_64")))]
fn daemon(daemon: daemon::Daemon, pcid_handle: PciFunctionHandle) -> ! {
- unimplemented!()
+ log::error!("ided: unsupported architecture");
+ process::exit(1);
}
diff --git a/drivers/storage/nvmed/src/main.rs b/drivers/storage/nvmed/src/main.rs
index beb1b689..3772f4e5 100644
--- a/drivers/storage/nvmed/src/main.rs
+++ b/drivers/storage/nvmed/src/main.rs
@@ -2,6 +2,7 @@ use std::cell::RefCell;
use std::fs::File;
use std::io::{self, Read, Write};
use std::os::fd::AsRawFd;
+use std::process;
use std::rc::Rc;
use std::sync::Arc;
use std::usize;
@@ -22,7 +23,10 @@ struct NvmeDisk {
impl Disk for NvmeDisk {
fn block_size(&self) -> u32 {
- self.ns.block_size.try_into().unwrap()
+ self.ns.block_size.try_into().unwrap_or_else(|_| {
+ log::error!("nvmed: block size {} does not fit in u32", self.ns.block_size);
+ process::exit(1);
+ })
}
fn size(&self) -> u64 {
@@ -79,26 +83,43 @@ fn daemon(daemon: daemon::Daemon, mut pcid_handle: PciFunctionHandle) -> ! {
let interrupt_vector = irq_helpers::pci_allocate_interrupt_vector(&mut pcid_handle, "nvmed");
let iv = interrupt_vector.vector();
- let irq_handle = interrupt_vector.irq_handle().try_clone().unwrap();
+ let irq_handle = interrupt_vector.irq_handle().try_clone().unwrap_or_else(|err| {
+ log::error!("nvmed: failed to clone IRQ handle: {err}");
+ process::exit(1);
+ });
let mut nvme = Nvme::new(address.as_ptr() as usize, interrupt_vector, pcid_handle)
- .expect("nvmed: failed to allocate driver data");
-
- unsafe { nvme.init().expect("nvmed: failed to init") }
+ .unwrap_or_else(|err| {
+ log::error!("nvmed: failed to allocate driver data: {err}");
+ process::exit(1);
+ });
+
+ unsafe {
+ nvme.init().unwrap_or_else(|err| {
+ log::error!("nvmed: failed to init: {err}");
+ process::exit(1);
+ });
+ }
log::debug!("Finished base initialization");
let nvme = Arc::new(nvme);
let executor = nvme::executor::init(Arc::clone(&nvme), iv, false /* FIXME */, irq_handle);
let mut time_handle = File::open(&format!("/scheme/time/{}", libredox::flag::CLOCK_MONOTONIC))
- .expect("failed to open time handle");
+ .unwrap_or_else(|err| {
+ log::error!("nvmed: failed to open time handle: {err}");
+ process::exit(1);
+ });
let mut time_events = Box::pin(
executor.register_external_event(time_handle.as_raw_fd() as usize, event::EventFlags::READ),
);
// Try to init namespaces for 5 seconds
- time_arm(&mut time_handle, 5).expect("failed to arm timer");
+ time_arm(&mut time_handle, 5).unwrap_or_else(|err| {
+ log::error!("nvmed: failed to arm timer: {err}");
+ process::exit(1);
+ });
let namespaces = executor.block_on(async {
let namespaces_future = nvme.init_with_queues();
let time_future = time_events.as_mut().next();
@@ -106,7 +127,10 @@ fn daemon(daemon: daemon::Daemon, mut pcid_handle: PciFunctionHandle) -> ! {
futures::pin_mut!(time_future);
match futures::future::select(namespaces_future, time_future).await {
futures::future::Either::Left((namespaces, _)) => namespaces,
- futures::future::Either::Right(_) => panic!("timeout on init"),
+ futures::future::Either::Right(_) => {
+ log::error!("nvmed: timeout on init");
+ process::exit(1);
+ }
}
});
log::debug!("Initialized!");
@@ -134,7 +158,10 @@ fn daemon(daemon: daemon::Daemon, mut pcid_handle: PciFunctionHandle) -> ! {
event::EventFlags::READ,
));
- libredox::call::setrens(0, 0).expect("nvmed: failed to enter null namespace");
+ libredox::call::setrens(0, 0).unwrap_or_else(|err| {
+ log::error!("nvmed: failed to enter null namespace: {err}");
+ process::exit(1);
+ });
log::debug!("Starting to listen for scheme events");
@@ -150,5 +177,5 @@ fn daemon(daemon: daemon::Daemon, mut pcid_handle: PciFunctionHandle) -> ! {
//TODO: destroy NVMe stuff
- std::process::exit(0);
+ process::exit(0);
}
diff --git a/drivers/storage/virtio-blkd/src/main.rs b/drivers/storage/virtio-blkd/src/main.rs
index d21236b3..2b777937 100644
--- a/drivers/storage/virtio-blkd/src/main.rs
+++ b/drivers/storage/virtio-blkd/src/main.rs
@@ -1,6 +1,7 @@
#![deny(trivial_numeric_casts, unused_allocation)]
use std::collections::BTreeMap;
+use std::process;
use std::sync::{Arc, Weak};
use driver_block::DiskScheme;
@@ -59,14 +60,23 @@ impl BlockDeviceConfig {
T: Sized + TryFrom<u64>,
<T as TryFrom<u64>>::Error: std::fmt::Debug,
{
- let transport = self.0.upgrade().unwrap();
+ let transport = self.0.upgrade().unwrap_or_else(|| {
+ log::error!("virtio-blkd: transport handle dropped");
+ process::exit(1);
+ });
let size = core::mem::size_of::<T>()
.try_into()
- .expect("load_config: invalid size");
+ .unwrap_or_else(|_| {
+ log::error!("virtio-blkd: load_config: invalid size");
+ process::exit(1);
+ });
let value = transport.load_config(ty as u8, size);
- T::try_from(value).unwrap()
+ T::try_from(value).unwrap_or_else(|_| {
+ log::error!("virtio-blkd: load_config: invalid config value");
+ process::exit(1);
+ })
}
/// Returns the capacity of the block device in bytes.
@@ -103,8 +113,11 @@ fn main() {
}
fn daemon_runner(redox_daemon: daemon::Daemon, pcid_handle: PciFunctionHandle) -> ! {
- daemon(redox_daemon, pcid_handle).unwrap();
- unreachable!();
+ daemon(redox_daemon, pcid_handle).unwrap_or_else(|err| {
+ log::error!("virtio-blkd: daemon failed: {err}");
+ process::exit(1);
+ });
+ process::exit(0);
}
fn daemon(daemon: daemon::Daemon, mut pcid_handle: PciFunctionHandle) -> anyhow::Result<()> {
@@ -121,7 +134,10 @@ fn daemon(daemon: daemon::Daemon, mut pcid_handle: PciFunctionHandle) -> anyhow:
// 0x1001 - virtio-blk
let pci_config = pcid_handle.config();
- assert_eq!(pci_config.func.full_device_id.device_id, 0x1001);
+ if pci_config.func.full_device_id.device_id != 0x1001 {
+ log::error!("virtio-blkd: unexpected device ID {:#06x}, expected 0x1001", pci_config.func.full_device_id.device_id);
+ process::exit(1);
+ }
log::info!("virtio-blk: initiating startup sequence :^)");
let device = virtio_core::probe_device(&mut pcid_handle)?;
@@ -147,7 +163,10 @@ fn daemon(daemon: daemon::Daemon, mut pcid_handle: PciFunctionHandle) -> anyhow:
let scheme_name = format!("disk.{}", name);
- let event_queue = event::EventQueue::new().unwrap();
+ let mut event_queue = event::EventQueue::new().unwrap_or_else(|err| {
+ log::error!("virtio-blkd: failed to create event queue: {err}");
+ process::exit(1);
+ });
event::user_data! {
enum Event {
@@ -162,7 +181,10 @@ fn daemon(daemon: daemon::Daemon, mut pcid_handle: PciFunctionHandle) -> anyhow:
&driver_block::FuturesExecutor,
);
- libredox::call::setrens(0, 0).expect("nvmed: failed to enter null namespace");
+ libredox::call::setrens(0, 0).unwrap_or_else(|err| {
+ log::error!("virtio-blkd: failed to enter null namespace: {err}");
+ process::exit(1);
+ });
event_queue
.subscribe(
@@ -170,11 +192,26 @@ fn daemon(daemon: daemon::Daemon, mut pcid_handle: PciFunctionHandle) -> anyhow:
Event::Scheme,
event::EventFlags::READ,
)
- .unwrap();
-
- for event in event_queue {
- match event.unwrap().user_data {
- Event::Scheme => futures::executor::block_on(scheme.tick()).unwrap(),
+ .unwrap_or_else(|err| {
+ log::error!("virtio-blkd: failed to subscribe to scheme events: {err}");
+ process::exit(1);
+ });
+
+ loop {
+ let event = match event_queue.next() {
+ Some(Ok(event)) => event,
+ Some(Err(err)) => {
+ log::error!("virtio-blkd: failed to get event: {err}");
+ continue;
+ }
+ None => break,
+ };
+ match event.user_data {
+ Event::Scheme => {
+ if let Err(err) = futures::executor::block_on(scheme.tick()) {
+ log::error!("virtio-blkd: failed to handle scheme event: {err}");
+ }
+ }
}
}
local/patches/base/P2-virtio-core-vbox.patch
+413
View File
@@ -0,0 +1,413 @@
# P2-virtio-core-vbox.patch
# Extract virtio-core probe/transport hardening and VirtualBox guest driver
# error handling improvements.
#
# Files: drivers/vboxd/src/main.rs, drivers/virtio-core/src/arch/x86.rs,
# drivers/virtio-core/src/probe.rs, drivers/virtio-core/src/spec/split_virtqueue.rs,
# drivers/virtio-core/src/transport.rs
diff --git a/drivers/vboxd/src/main.rs b/drivers/vboxd/src/main.rs
index bcb9bb15..b9e42d4a 100644
--- a/drivers/vboxd/src/main.rs
+++ b/drivers/vboxd/src/main.rs
@@ -199,16 +199,28 @@ fn daemon(daemon: daemon::Daemon, mut pcid_handle: PciFunctionHandle) -> ! {
let mut name = pci_config.func.name();
name.push_str("_vbox");
- let bar0 = pci_config.func.bars[0].expect_port();
+ let bar0 = match pci_config.func.bars[0].try_port() {
+ Ok(port) => port,
+ Err(err) => {
+ eprintln!("vboxd: invalid BAR0: {err}");
+ std::process::exit(1);
+ }
+ };
let irq = pci_config
.func
.legacy_interrupt_line
- .expect("vboxd: no legacy interrupts supported");
+ .unwrap_or_else(|| {
+ eprintln!("vboxd: no legacy interrupts supported");
+ std::process::exit(1);
+ });
println!(" + VirtualBox {}", pci_config.func.display());
- common::acquire_port_io_rights().expect("vboxd: failed to get I/O permission");
+ if let Err(err) = common::acquire_port_io_rights() {
+ eprintln!("vboxd: failed to get I/O permission: {err}");
+ std::process::exit(1);
+ }
let mut width = 0;
let mut height = 0;
@@ -233,25 +245,55 @@ fn daemon(daemon: daemon::Daemon, mut pcid_handle: PciFunctionHandle) -> ! {
}
}
- let mut irq_file = irq.irq_handle("vboxd");
+ let mut irq_file = match irq.try_irq_handle("vboxd") {
+ Ok(file) => file,
+ Err(err) => {
+ eprintln!("vboxd: failed to open IRQ handle: {err}");
+ std::process::exit(1);
+ }
+ };
- let address = unsafe { pcid_handle.map_bar(1) }.ptr.as_ptr();
+ let address = match unsafe { pcid_handle.try_map_bar(1) } {
+ Ok(bar) => bar.ptr.as_ptr(),
+ Err(err) => {
+ eprintln!("vboxd: failed to map BAR1: {err}");
+ std::process::exit(1);
+ }
+ };
#[cfg(any(target_arch = "x86", target_arch = "x86_64"))]
{
let mut port = common::io::Pio::<u32>::new(bar0 as u16);
let vmmdev = unsafe { &mut *(address as *mut VboxVmmDev) };
- let mut guest_info = VboxGuestInfo::new().expect("vboxd: failed to map GuestInfo");
+ let mut guest_info = match VboxGuestInfo::new() {
+ Ok(value) => value,
+ Err(err) => {
+ eprintln!("vboxd: failed to map GuestInfo: {err}");
+ std::process::exit(1);
+ }
+ };
guest_info.version.write(VBOX_VMMDEV_VERSION);
guest_info.ostype.write(0x100);
port.write(guest_info.physical() as u32);
- let mut guest_caps = VboxGuestCaps::new().expect("vboxd: failed to map GuestCaps");
+ let mut guest_caps = match VboxGuestCaps::new() {
+ Ok(value) => value,
+ Err(err) => {
+ eprintln!("vboxd: failed to map GuestCaps: {err}");
+ std::process::exit(1);
+ }
+ };
guest_caps.caps.write(1 << 2);
port.write(guest_caps.physical() as u32);
- let mut set_mouse = VboxSetMouse::new().expect("vboxd: failed to map SetMouse");
+ let mut set_mouse = match VboxSetMouse::new() {
+ Ok(value) => value,
+ Err(err) => {
+ eprintln!("vboxd: failed to map SetMouse: {err}");
+ std::process::exit(1);
+ }
+ };
set_mouse.features.write(1 << 4 | 1);
port.write(set_mouse.physical() as u32);
@@ -265,34 +307,71 @@ fn daemon(daemon: daemon::Daemon, mut pcid_handle: PciFunctionHandle) -> ! {
}
}
- let event_queue =
- EventQueue::<Source>::new().expect("vboxd: Could not create event queue.");
+ let event_queue = match EventQueue::<Source>::new() {
+ Ok(queue) => queue,
+ Err(err) => {
+ eprintln!("vboxd: could not create event queue: {err}");
+ std::process::exit(1);
+ }
+ };
event_queue
.subscribe(
irq_file.as_raw_fd() as usize,
Source::Irq,
event::EventFlags::READ,
)
- .unwrap();
+ .unwrap_or_else(|err| {
+ eprintln!("vboxd: failed to subscribe IRQ fd: {err}");
+ std::process::exit(1);
+ });
daemon.ready();
- libredox::call::setrens(0, 0).expect("vboxd: failed to enter null namespace");
+ if let Err(err) = libredox::call::setrens(0, 0) {
+ eprintln!("vboxd: failed to enter null namespace: {err}");
+ std::process::exit(1);
+ }
let mut bga = crate::bga::Bga::new();
- let get_mouse = VboxGetMouse::new().expect("vboxd: failed to map GetMouse");
- let display_change = VboxDisplayChange::new().expect("vboxd: failed to map DisplayChange");
- let ack_events = VboxAckEvents::new().expect("vboxd: failed to map AckEvents");
+ let get_mouse = match VboxGetMouse::new() {
+ Ok(value) => value,
+ Err(err) => {
+ eprintln!("vboxd: failed to map GetMouse: {err}");
+ std::process::exit(1);
+ }
+ };
+ let display_change = match VboxDisplayChange::new() {
+ Ok(value) => value,
+ Err(err) => {
+ eprintln!("vboxd: failed to map DisplayChange: {err}");
+ std::process::exit(1);
+ }
+ };
+ let ack_events = match VboxAckEvents::new() {
+ Ok(value) => value,
+ Err(err) => {
+ eprintln!("vboxd: failed to map AckEvents: {err}");
+ std::process::exit(1);
+ }
+ };
- for Source::Irq in iter::once(Source::Irq)
- .chain(event_queue.map(|e| e.expect("vboxd: failed to get next event").user_data))
- {
+ for Source::Irq in iter::once(Source::Irq).chain(event_queue.map(|e| match e {
+ Ok(event) => event.user_data,
+ Err(err) => {
+ eprintln!("vboxd: failed to get next event: {err}");
+ std::process::exit(1);
+ }
+ })) {
let mut irq = [0; 8];
- if irq_file.read(&mut irq).unwrap() >= irq.len() {
+ match irq_file.read(&mut irq) {
+ Ok(read) if read >= irq.len() => {
let host_events = vmmdev.host_events.read();
if host_events != 0 {
port.write(ack_events.physical() as u32);
- irq_file.write(&irq).unwrap();
+ if let Err(err) = irq_file.write(&irq) {
+ eprintln!("vboxd: failed to acknowledge IRQ: {err}");
+ std::process::exit(1);
+ }
if host_events & VBOX_EVENT_DISPLAY == VBOX_EVENT_DISPLAY {
port.write(display_change.physical() as u32);
@@ -326,8 +405,14 @@ fn daemon(daemon: daemon::Daemon, mut pcid_handle: PciFunctionHandle) -> ! {
}
}
}
+ Ok(_) => {}
+ Err(err) => {
+ eprintln!("vboxd: failed to read IRQ file: {err}");
+ std::process::exit(1);
+ }
+ }
}
}
- std::process::exit(0);
+ std::process::exit(1);
}
diff --git a/drivers/virtio-core/src/arch/x86.rs b/drivers/virtio-core/src/arch/x86.rs
index aea86c4a..c5b2767f 100644
--- a/drivers/virtio-core/src/arch/x86.rs
+++ b/drivers/virtio-core/src/arch/x86.rs
@@ -11,7 +11,10 @@ pub fn enable_msix(pcid_handle: &mut PciFunctionHandle) -> Result<File, Error> {
// Extended message signaled interrupts.
let msix_info = match pcid_handle.feature_info(PciFeature::MsiX) {
PciFeatureInfo::MsiX(capability) => capability,
- _ => unreachable!(),
+ _ => {
+ log::warn!("virtio_core::enable_msix: expected MSI-X feature info");
+ return Err(Error::Probe("unexpected PCI feature info for MSI-X"));
+ }
};
let mut info = unsafe { msix_info.map_and_mask_all(pcid_handle) };
@@ -21,7 +24,10 @@ pub fn enable_msix(pcid_handle: &mut PciFunctionHandle) -> Result<File, Error> {
let interrupt_handle = {
let table_entry_pointer = info.table_entry_pointer(MSIX_PRIMARY_VECTOR as usize);
- let destination_id = read_bsp_apic_id().expect("virtio_core: `read_bsp_apic_id()` failed");
+ let destination_id = read_bsp_apic_id().map_err(|e| {
+ log::warn!("virtio_core::enable_msix: read_bsp_apic_id failed: {e}");
+ Error::Probe("read_bsp_apic_id failed")
+ })?;
let (msg_addr_and_data, interrupt_handle) =
allocate_single_interrupt_vector_for_msi(destination_id);
table_entry_pointer.write_addr_and_data(msg_addr_and_data);
diff --git a/drivers/virtio-core/src/probe.rs b/drivers/virtio-core/src/probe.rs
index 5631ef67..eaef1b96 100644
--- a/drivers/virtio-core/src/probe.rs
+++ b/drivers/virtio-core/src/probe.rs
@@ -31,16 +31,16 @@ pub const MSIX_PRIMARY_VECTOR: u16 = 0;
/// before starting the device.
/// * Finally start the device (via [`StandardTransport::run_device`]). At this point, the device
/// is alive.
-///
-/// ## Panics
-/// This function panics if the device is not a virtio device.
pub fn probe_device(pcid_handle: &mut PciFunctionHandle) -> Result<Device, Error> {
let pci_config = pcid_handle.config();
- assert_eq!(
- pci_config.func.full_device_id.vendor_id, 6900,
- "virtio_core::probe_device: not a virtio device"
- );
+ if pci_config.func.full_device_id.vendor_id != 6900 {
+ log::warn!(
+ "virtio_core::probe_device: skipping non-virtio device (vendor ID {:#06x})",
+ pci_config.func.full_device_id.vendor_id
+ );
+ return Err(Error::Probe("not a virtio device"));
+ }
let mut common_addr = None;
let mut notify_addr = None;
@@ -55,7 +55,9 @@ pub fn probe_device(pcid_handle: &mut PciFunctionHandle) -> Result<Device, Error
_ => continue,
}
- let (addr, _) = pci_config.func.bars[capability.bar as usize].expect_mem();
+ let (addr, _) = pci_config.func.bars[capability.bar as usize]
+ .try_mem()
+ .map_err(|_| Error::Probe("BAR is not memory-mapped"))?;
let address = unsafe {
let addr = addr + capability.offset as usize;
@@ -100,19 +102,23 @@ pub fn probe_device(pcid_handle: &mut PciFunctionHandle) -> Result<Device, Error
device_addr = Some(address);
}
- _ => unreachable!(),
+ _ => continue,
}
}
- let common_addr = common_addr.expect("virtio common capability missing");
- let device_addr = device_addr.expect("virtio device capability missing");
- let (notify_addr, notify_multiplier) = notify_addr.expect("virtio notify capability missing");
-
- // FIXME this is explicitly allowed by the virtio specification to happen
- assert!(
- notify_multiplier != 0,
- "virtio-core::device_probe: device uses the same Queue Notify addresses for all queues"
- );
+ let common_addr = common_addr.ok_or(Error::InCapable(CfgType::Common))?;
+ let device_addr = device_addr.ok_or(Error::InCapable(CfgType::Device))?;
+ let (notify_addr, notify_multiplier) =
+ notify_addr.ok_or(Error::InCapable(CfgType::Notify))?;
+
+ // The virtio specification explicitly allows a zero notify_off_multiplier,
+ // meaning all queues share the same notification address. Handle gracefully.
+ if notify_multiplier == 0 {
+ log::warn!(
+ "virtio_core::probe_device: device uses the same Queue Notify address for all queues"
+ );
+ return Err(Error::Probe("zero notify_off_multiplier"));
+ }
let common = unsafe { &mut *(common_addr as *mut CommonCfg) };
let device_space = unsafe { &mut *(device_addr as *mut u8) };
@@ -128,8 +134,10 @@ pub fn probe_device(pcid_handle: &mut PciFunctionHandle) -> Result<Device, Error
let all_pci_features = pcid_handle.fetch_all_features();
let has_msix = all_pci_features.iter().any(|feature| feature.is_msix());
- // According to the virtio specification, the device REQUIRED to support MSI-X.
- assert!(has_msix, "virtio: device does not support MSI-X");
+ if !has_msix {
+ log::warn!("virtio_core::probe_device: device does not support MSI-X");
+ return Err(Error::Probe("device does not support MSI-X"));
+ }
let irq_handle = crate::arch::enable_msix(pcid_handle)?;
log::debug!("virtio: using standard PCI transport");
diff --git a/drivers/virtio-core/src/spec/split_virtqueue.rs b/drivers/virtio-core/src/spec/split_virtqueue.rs
index b9636711..23aa5484 100644
--- a/drivers/virtio-core/src/spec/split_virtqueue.rs
+++ b/drivers/virtio-core/src/spec/split_virtqueue.rs
@@ -197,9 +197,9 @@ impl ChainBuilder {
}
pub fn build(mut self) -> Vec<Buffer> {
- let last_buffer = self.buffers.last_mut().expect("virtio-core: empty chain");
- last_buffer.flags.remove(DescriptorFlags::NEXT);
-
+ if let Some(last_buffer) = self.buffers.last_mut() {
+ last_buffer.flags.remove(DescriptorFlags::NEXT);
+ }
self.buffers
}
}
diff --git a/drivers/virtio-core/src/transport.rs b/drivers/virtio-core/src/transport.rs
index d3445d2d..99972c95 100644
--- a/drivers/virtio-core/src/transport.rs
+++ b/drivers/virtio-core/src/transport.rs
@@ -19,6 +19,8 @@ pub enum Error {
SyscallError(#[from] libredox::error::Error),
#[error("the device is incapable of {0:?}")]
InCapable(CfgType),
+ #[error("virtio probe: {0}")]
+ Probe(&'static str),
}
/// Returns the queue part sizes in bytes.
@@ -59,14 +61,23 @@ pub fn spawn_irq_thread(irq_handle: &File, queue: &Arc<Queue<'static>>) {
let queue_copy = queue.clone();
std::thread::spawn(move || {
- let event_queue = RawEventQueue::new().unwrap();
+ let event_queue = match RawEventQueue::new() {
+ Ok(eq) => eq,
+ Err(err) => {
+ log::error!("virtio-core: failed to create event queue for IRQ thread: {err}");
+ return;
+ }
+ };
- event_queue
- .subscribe(irq_fd as usize, 0, event::EventFlags::READ)
- .unwrap();
+ if let Err(err) = event_queue.subscribe(irq_fd as usize, 0, event::EventFlags::READ) {
+ log::error!("virtio-core: failed to subscribe to IRQ fd: {err}");
+ return;
+ }
- for _ in event_queue.map(Result::unwrap) {
- // Wake up the tasks waiting on the queue.
+ for event_result in event_queue.map(|res| res) {
+ if event_result.is_err() {
+ break;
+ }
for (_, task) in queue_copy.waker.lock().unwrap().iter() {
task.wake_by_ref();
}
@@ -604,7 +615,9 @@ impl Transport for StandardTransport<'_> {
// Re-read device status to ensure the `FEATURES_OK` bit is still set: otherwise,
// the device does not support our subset of features and the device is unusable.
let confirm = common.device_status.get();
- assert!((confirm & DeviceStatusFlags::FEATURES_OK) == DeviceStatusFlags::FEATURES_OK);
+ if (confirm & DeviceStatusFlags::FEATURES_OK) != DeviceStatusFlags::FEATURES_OK {
+ log::error!("virtio-core: device rejected feature set (FEATURES_OK cleared after negotiation)");
+ }
}
fn setup_config_notify(&self, vector: u16) {
@@ -640,7 +653,10 @@ impl Transport for StandardTransport<'_> {
// Set the MSI-X vector.
common.queue_msix_vector.set(vector);
- assert!(common.queue_msix_vector.get() == vector);
+ if common.queue_msix_vector.get() != vector {
+ log::error!("virtio-core: MSI-X vector {vector:#x} was not accepted by device for queue {queue_index}");
+ return Err(Error::SyscallError(libredox::error::Error::new(libredox::errno::EIO)));
+ }
// Enable the queue.
common.queue_enable.set(1);
@@ -685,7 +701,9 @@ impl Transport for StandardTransport<'_> {
// Set the MSI-X vector.
common.queue_msix_vector.set(queue.vector);
- assert!(common.queue_msix_vector.get() == queue.vector);
+ if common.queue_msix_vector.get() != queue.vector {
+ log::error!("virtio-core: MSI-X vector {:#x} was not accepted during reinit for queue {}", queue.vector, queue.queue_index);
+ }
// Enable the queue.
common.queue_enable.set(1);
local/patches/base/P2-xhcid-remaining.patch
+2033
View File
File diff suppressed because it is too large Load Diff
rust-toolchain.toml
+1 -1
View File
@@ -1,4 +1,4 @@
[toolchain] [toolchain]
channel = "nightly-2025-10-03" channel = "nightly-2026-04-01"
components = ["rust-src", "rustfmt", "clippy"] components = ["rust-src", "rustfmt", "clippy"]
profile = "minimal" profile = "minimal"