chore(codecs): Update syslog_loose to properly handle escapes (vectordotdev#18114)

* Update syslog_loose to properly handle escapes

Signed-off-by: Stephen Wakely <fungus.humungus@gmail.com>

* fmt

Signed-off-by: Stephen Wakely <fungus.humungus@gmail.com>

---------

Signed-off-by: Stephen Wakely <fungus.humungus@gmail.com>

Author: StephenWakely

Cargo.lock

@@ -23,7 +23,7 @@ serde = { version = "1", default-features = false, features = ["derive"] }
 serde_json = { version = "1", default-features = false }
 smallvec = { version = "1", default-features = false, features = ["union"] }
 snafu = { version = "0.7.5", default-features = false, features = ["futures"] }
-syslog_loose = { version = "0.18", default-features = false, optional = true }
+syslog_loose = { version = "0.19", default-features = false, optional = true }
 tokio-util = { version = "0.7", default-features = false, features = ["codec"] }
 tracing = { version = "0.1", default-features = false }
 vrl.workspace = true

lib/codecs/Cargo.toml

@@ -5,7 +5,7 @@ use lookup::{event_path, owned_value_path, OwnedTargetPath, OwnedValuePath};
 use smallvec::{smallvec, SmallVec};
 use std::borrow::Cow;
 use std::collections::BTreeMap;
-use syslog_loose::{IncompleteDate, Message, ProcId, Protocol};
+use syslog_loose::{IncompleteDate, Message, ProcId, Protocol, Variant};
 use vector_config::configurable_component;
 use vector_core::config::{LegacyKey, LogNamespace};
 use vector_core::{
@@ -282,7 +282,8 @@ impl Deserializer for SyslogDeserializer {
             false => Cow::from(std::str::from_utf8(&bytes)?),
         };
         let line = line.trim();
-        let parsed = syslog_loose::parse_message_with_year_exact(line, resolve_year)?;
+        let parsed =
+            syslog_loose::parse_message_with_year_exact(line, resolve_year, Variant::Either)?;
 
         let log = match (self.source, log_namespace) {
             (Some(source), LogNamespace::Vector) => {