chore(deps): update rust crate syn to v3.0.6

Cargo.lock

@@ -490,7 +490,7 @@ checksum = "e7a5d71263a5a7d47b41f6b3f06ba276f10cc18b0931f1799f710578e2309348"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 3.0.4",
+ "syn 3.0.6",
 ]
 
 [[package]]
@@ -580,9 +580,9 @@ dependencies = [
 
 [[package]]
 name = "syn"
-version = "3.0.4"
+version = "3.0.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e6275cddf4610d1775e6d1fe9469b2e77d0f39fd98fb7450901b821e0c53649f"
+checksum = "8593e8e72159ed2257d083c7a454a85cbf854f37a0966d8d483aff8c8a3ebcee"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -621,7 +621,7 @@ checksum = "bc04cd3e1236dd4a98afca4569f2deb3f120e5422a4023be2cb683f8486292af"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 3.0.4",
+ "syn 3.0.6",
 ]
 
 [[package]]
@@ -684,7 +684,7 @@ version = "0.1.0"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 3.0.4",
+ "syn 3.0.6",
  "trybuild",
 ]
 

src/log.rs

@@ -2,7 +2,7 @@
 //
 // SPDX-License-Identifier: MPL-2.0
 
-use log::{Level, LevelFilter, Metadata, Record, SetLoggerError};
+use log::{Level, Metadata, Record, SetLoggerError};
 use rustix::time::ClockId;
 
 use crate::time::Time;
@@ -36,5 +36,5 @@ impl log::Log for SimpleLogger {
 
 pub fn init(level: Level) -> Result<(), SetLoggerError> {
     log::set_boxed_logger(Box::new(SimpleLogger { level }))
-        .map(|()| log::set_max_level(LevelFilter::Trace))
+        .map(|()| log::set_max_level(level.to_level_filter()))
 }

src/pinger_icmp_ts.rs

@@ -19,6 +19,19 @@ pub struct PingerICMPTimestampListener {}
 
 pub struct PingerICMPTimestampSender {}
 
+const MS_PER_DAY: i64 = 86_400_000;
+
+fn timestamp_delta(later: i64, earlier: i64) -> i64 {
+    let delta = later - earlier;
+    if delta < -MS_PER_DAY / 2 {
+        delta + MS_PER_DAY
+    } else if delta > MS_PER_DAY / 2 {
+        delta - MS_PER_DAY
+    } else {
+        delta
+    }
+}
+
 impl PingListener for PingerICMPTimestampListener {
     // Result: RTT, down time, up time
     fn parse_packet(
@@ -46,12 +59,18 @@ impl PingListener for PingerICMPTimestampListener {
                         });
                     }
 
-                    let time_now = Time::new(ClockId::Realtime);
+                    if receive & 0x8000_0000 != 0 || transmit & 0x8000_0000 != 0 {
-                    let time_since_midnight = time_now.get_time_since_midnight();
+                        return Err(PingError::InvalidPacket(
+                            "non-standard RFC 792 timestamp".into(),
+                        ));
+                    }
 
-                    let rtt = (time_since_midnight - originate as i64) as f64;
+                    let time_since_midnight =
-                    let dl_time = (time_since_midnight - transmit as i64) as f64;
+                        Time::new(ClockId::Realtime).get_time_since_midnight();
-                    let ul_time = (receive as i64 - originate as i64) as f64;
+
+                    let rtt = timestamp_delta(time_since_midnight, originate as i64) as f64;
+                    let dl_time = timestamp_delta(time_since_midnight, transmit as i64) as f64;
+                    let ul_time = timestamp_delta(receive as i64, originate as i64) as f64;
 
                     Ok(PingReply {
                         reflector,
@@ -88,3 +107,27 @@ impl PingSender for PingerICMPTimestampSender {
         )
     }
 }
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+    use icmp_socket2::packet::WithTimestampReply;
+
+    #[test]
+    fn timestamps_wrap_at_midnight_in_both_directions() {
+        assert_eq!(timestamp_delta(20, 86_399_900), 120);
+        assert_eq!(timestamp_delta(86_399_900, 20), -120);
+    }
+
+    #[test]
+    fn non_standard_rfc_792_timestamps_are_rejected() {
+        let packet = Icmpv4Packet::with_timestamp_reply(7, 1, 10, 0x8000_0001, 20).unwrap();
+        let result = PingerICMPTimestampListener {}.parse_packet(
+            7,
+            "192.0.2.1".parse().unwrap(),
+            MeasurementType::IcmpTimestamps,
+            packet,
+        );
+        assert!(matches!(result, Err(PingError::InvalidPacket(_))));
+    }
+}

src/platform/unix/uci.rs

@@ -262,7 +262,7 @@ impl Source for UciSource {
         let (_uci, packages) = match resolved {
             Ok(resolved) => resolved,
 
-            Err(_) if !self.required => {
+            Err(SourceError::NotFound(_)) if !self.required => {
                 return Ok(Map::new());
             }
 
@@ -285,3 +285,29 @@ impl Source for UciSource {
         Ok(values)
     }
 }
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+    use crate::settings::Settings;
+    use std::fs;
+
+    #[test]
+    fn malformed_optional_package_is_an_error() {
+        let root = std::env::temp_dir().join(format!("sqma-uci-{}", std::process::id()));
+        let config_dir = root.join("config");
+        let save_dir = root.join("save");
+        fs::create_dir_all(&config_dir).unwrap();
+        fs::create_dir_all(&save_dir).unwrap();
+        let config_file = config_dir.join("sqm-autorate-rust");
+        fs::write(&config_file, "config network 'unterminated\n").unwrap();
+
+        let source = UciSource::from_schema::<Settings>()
+            .with_directories(&config_dir, &save_dir)
+            .required(false);
+        let result = source.collect();
+
+        fs::remove_dir_all(root).unwrap();
+        assert!(result.is_err());
+    }
+}

src/settings/mod.rs

@@ -192,7 +192,10 @@ impl Settings {
             })?;
 
             match (record.ip_version, record.reflector_ip) {
-                (4, IpAddr::V4(_)) | (6, IpAddr::V6(_)) => {}
+                (4, IpAddr::V4(_)) => {}
+                (6, address @ IpAddr::V6(_)) => {
+                    bail!("reflector {address} is IPv6; only IPv4 reflectors are supported");
+                }
                 (version, address) => {
                     bail!("reflector {address} has inconsistent IP version {version}");
                 }

src/settings/validation.rs

@@ -153,7 +153,12 @@ impl NetworkSettings {
         if download_base_valid && download_percent_valid {
             let minimum = self.download_min_kbits();
 
-            if minimum < WARN_DOWNLOAD_MIN_KBITS {
+            if minimum < 1.0 {
+                report.error(
+                    "network.download_min_percent",
+                    "minimum download rate floors to zero",
+                );
+            } else if minimum < WARN_DOWNLOAD_MIN_KBITS {
                 report.warning(
                     "network.download_min_percent",
                     format!(
@@ -168,7 +173,12 @@ impl NetworkSettings {
         if upload_base_valid && upload_percent_valid {
             let minimum = self.upload_min_kbits();
 
-            if minimum < WARN_UPLOAD_MIN_KBITS {
+            if minimum < 1.0 {
+                report.error(
+                    "network.upload_min_percent",
+                    "minimum upload rate floors to zero",
+                );
+            } else if minimum < WARN_UPLOAD_MIN_KBITS {
                 report.warning(
                     "network.upload_min_percent",
                     format!(
@@ -376,3 +386,38 @@ fn validate_percent(report: &mut ValidationReport, path: &'static str, value: f6
         true
     }
 }
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    fn network(download_base_kbits: f64, upload_base_kbits: f64) -> NetworkSettings {
+        NetworkSettings {
+            download_interface: "ifb0".into(),
+            upload_interface: "eth0".into(),
+            download_base_kbits,
+            download_min_percent: 1.0,
+            upload_base_kbits,
+            upload_min_percent: 1.0,
+        }
+    }
+
+    #[test]
+    fn minimum_rates_that_floor_to_zero_are_errors_for_both_directions() {
+        let mut report = ValidationReport::default();
+        network(50.0, 50.0).validate(&mut report);
+        let error = report.finish().unwrap_err().to_string();
+
+        assert!(error.contains("network.download_min_percent"));
+        assert!(error.contains("network.upload_min_percent"));
+        assert!(error.contains("floors to zero"));
+    }
+
+    #[test]
+    fn representable_low_minimum_rates_remain_warnings() {
+        let mut report = ValidationReport::default();
+        network(10_000.0, 10_000.0).validate(&mut report);
+
+        assert!(report.finish().is_ok());
+    }
+}