initial commit
Diff
.gitignore | 2 +-
Cargo.lock | 1923 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++-
Cargo.toml | 35 +-
README.md | 37 +-
build.rs | 5 +-
src/config.rs | 58 ++-
src/gogo.proto | 144 ++++-
src/loki.proto | 131 ++++-
src/loki.rs | 37 +-
src/main.rs | 293 +++++++++-
src/parser.rs | 153 +++++-
11 files changed, 2818 insertions(+)
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@@ -0,0 +1,35 @@
[package]
name = "fwloki"
version = "0.1.0"
authors = ["Jordan Doyle <jordan@doyle.la>"]
edition = "2018"
[dependencies]
notify = "5.0.0-pre.2"
crossbeam-channel = "0.4"
maxminddb = { version = "0.13", features = ["mmap"] }
clap = "3.0.0-beta.1"
env_logger = "0.7"
log = { version = "0.4", features = ["max_level_debug", "release_max_level_info"] }
serde = "1"
serde_derive = "1"
toml = "0.5"
nom = "6.0.0-alpha1"
chrono = "0.4"
tokio = { version = "0.2", features = ["full"] }
reqwest = { version = "0.10", features = ["rustls-tls"] }
prost = "0.6"
prost-types = "0.6"
bytes = "0.5"
snap = "1"
anyhow = "1"
[build-dependencies]
prost-build = "0.6"
@@ -0,0 +1,37 @@
# fwloki
fwloki is a simple daemon to watch a log file (typically /var/log/messages)
for iptables logs, parse them and write them back out to [loki][] in a few
short microseconds. Optionally, you can also add some GeoIP metadata to the
logs at the expense of a bit more extra processing time.
Once in loki, you're free to do what you like with the logs, stick them in a
table in Grafana? Sure. Show the data in a world map to see who's targeting
your network? Of course. Inspect and drop traffic from repeat offenders? If
that's what you're into.
The world's your clam, really.
[loki]: https://github.com/grafana/loki
#### Config
```toml
log-file = "/var/log/messages"
# [geoip]
# asn-db = "./db/GeoLite2-ASN.mmdb"
# city-db = "./db/GeoLite2-City.mmdb"
# country-db = "./db/GeoLite2-Country.mmdb"
[firewall]
rules = [
"OUTSIDE-LOCAL-default-D",
"OUTSIDE-LOCAL-V6-default-D",
"OUTSIDE-IN-default-D",
"OUTSIDE-IN-V6-default-D"
]
[loki]
push-url = "http://10.0.0.28:3100/loki/api/v1/push"
```
@@ -0,0 +1,5 @@
extern crate prost_build;
fn main() {
prost_build::compile_protos(&["src/loki.proto"], &["src"]).unwrap();
}
@@ -0,0 +1,58 @@
use std::path::PathBuf;
use anyhow::Result;
use clap::Clap;
use serde_derive::Deserialize;
#[derive(Deserialize, Debug, Default)]
pub struct GeoIp {
#[serde(default, rename = "asn-db")]
pub asn_db: Option<PathBuf>,
#[serde(default, rename = "city-db")]
pub city_db: Option<PathBuf>,
#[serde(default, rename = "country-db")]
pub country_db: Option<PathBuf>,
}
#[derive(Deserialize, Debug, Default)]
pub struct Firewall {
#[serde(default)]
pub rules: Vec<String>,
}
#[derive(Deserialize, Debug, Default)]
pub struct Loki {
#[serde(rename = "push-url")]
pub push_url: String,
}
#[derive(Deserialize, Debug, Default)]
pub struct Config {
#[serde(default = "default_log_file", rename = "log-file")]
pub log_file: PathBuf,
#[serde(default)]
pub geoip: GeoIp,
#[serde(default)]
pub firewall: Firewall,
#[serde(default)]
pub loki: Loki,
}
impl Config {
pub fn load(args: &Args) -> Result<Self> {
let cfg = std::fs::read_to_string(&args.config)?;
Ok(toml::from_str(&cfg)?)
}
}
fn default_log_file() -> PathBuf {
"/var/log/messages".into()
}
#[derive(Clap)]
#[clap(version = "1.0", author = "Jordan D. <jordan@doyle.la>")]
pub struct Args {
#[clap(short, long)]
config: PathBuf,
}
@@ -0,0 +1,144 @@
syntax = "proto2";
package gogoproto;
import "google/protobuf/descriptor.proto";
option java_package = "com.google.protobuf";
option java_outer_classname = "GoGoProtos";
option go_package = "github.com/gogo/protobuf/gogoproto";
extend google.protobuf.EnumOptions {
optional bool goproto_enum_prefix = 62001;
optional bool goproto_enum_stringer = 62021;
optional bool enum_stringer = 62022;
optional string enum_customname = 62023;
optional bool enumdecl = 62024;
}
extend google.protobuf.EnumValueOptions {
optional string enumvalue_customname = 66001;
}
extend google.protobuf.FileOptions {
optional bool goproto_getters_all = 63001;
optional bool goproto_enum_prefix_all = 63002;
optional bool goproto_stringer_all = 63003;
optional bool verbose_equal_all = 63004;
optional bool face_all = 63005;
optional bool gostring_all = 63006;
optional bool populate_all = 63007;
optional bool stringer_all = 63008;
optional bool onlyone_all = 63009;
optional bool equal_all = 63013;
optional bool description_all = 63014;
optional bool testgen_all = 63015;
optional bool benchgen_all = 63016;
optional bool marshaler_all = 63017;
optional bool unmarshaler_all = 63018;
optional bool stable_marshaler_all = 63019;
optional bool sizer_all = 63020;
optional bool goproto_enum_stringer_all = 63021;
optional bool enum_stringer_all = 63022;
optional bool unsafe_marshaler_all = 63023;
optional bool unsafe_unmarshaler_all = 63024;
optional bool goproto_extensions_map_all = 63025;
optional bool goproto_unrecognized_all = 63026;
optional bool gogoproto_import = 63027;
optional bool protosizer_all = 63028;
optional bool compare_all = 63029;
optional bool typedecl_all = 63030;
optional bool enumdecl_all = 63031;
optional bool goproto_registration = 63032;
optional bool messagename_all = 63033;
optional bool goproto_sizecache_all = 63034;
optional bool goproto_unkeyed_all = 63035;
}
extend google.protobuf.MessageOptions {
optional bool goproto_getters = 64001;
optional bool goproto_stringer = 64003;
optional bool verbose_equal = 64004;
optional bool face = 64005;
optional bool gostring = 64006;
optional bool populate = 64007;
optional bool stringer = 67008;
optional bool onlyone = 64009;
optional bool equal = 64013;
optional bool description = 64014;
optional bool testgen = 64015;
optional bool benchgen = 64016;
optional bool marshaler = 64017;
optional bool unmarshaler = 64018;
optional bool stable_marshaler = 64019;
optional bool sizer = 64020;
optional bool unsafe_marshaler = 64023;
optional bool unsafe_unmarshaler = 64024;
optional bool goproto_extensions_map = 64025;
optional bool goproto_unrecognized = 64026;
optional bool protosizer = 64028;
optional bool compare = 64029;
optional bool typedecl = 64030;
optional bool messagename = 64033;
optional bool goproto_sizecache = 64034;
optional bool goproto_unkeyed = 64035;
}
extend google.protobuf.FieldOptions {
optional bool nullable = 65001;
optional bool embed = 65002;
optional string customtype = 65003;
optional string customname = 65004;
optional string jsontag = 65005;
optional string moretags = 65006;
optional string casttype = 65007;
optional string castkey = 65008;
optional string castvalue = 65009;
optional bool stdtime = 65010;
optional bool stdduration = 65011;
optional bool wktpointer = 65012;
}
@@ -0,0 +1,131 @@
syntax = "proto3";
package logproto;
option go_package = "github.com/grafana/loki/pkg/logproto";
import "google/protobuf/timestamp.proto";
import "gogo.proto";
service Pusher {
rpc Push(PushRequest) returns (PushResponse) {};
}
service Querier {
rpc Query(QueryRequest) returns (stream QueryResponse) {};
rpc Label(LabelRequest) returns (LabelResponse) {};
rpc Tail(TailRequest) returns (stream TailResponse) {};
rpc Series(SeriesRequest) returns (SeriesResponse) {};
rpc TailersCount(TailersCountRequest) returns (TailersCountResponse) {};
}
service Ingester {
rpc TransferChunks(stream TimeSeriesChunk) returns (TransferChunksResponse) {};
}
message PushRequest {
repeated StreamAdapter streams = 1 [(gogoproto.jsontag) = "streams", (gogoproto.customtype) = "Stream"];
}
message PushResponse {
}
message QueryRequest {
string selector = 1;
uint32 limit = 2;
google.protobuf.Timestamp start = 3 [(gogoproto.stdtime) = true, (gogoproto.nullable) = false];
google.protobuf.Timestamp end = 4 [(gogoproto.stdtime) = true, (gogoproto.nullable) = false];
Direction direction = 5;
reserved 6;
}
enum Direction {
FORWARD = 0;
BACKWARD = 1;
}
message QueryResponse {
repeated StreamAdapter streams = 1 [(gogoproto.customtype) = "Stream", (gogoproto.nullable) = true];
}
message LabelRequest {
string name = 1;
bool values = 2; google.protobuf.Timestamp start = 3 [(gogoproto.stdtime) = true, (gogoproto.nullable) = true];
google.protobuf.Timestamp end = 4 [(gogoproto.stdtime) = true, (gogoproto.nullable) = true];
}
message LabelResponse {
repeated string values = 1;
}
message StreamAdapter {
string labels = 1 [(gogoproto.jsontag) = "labels"];
repeated EntryAdapter entries = 2 [(gogoproto.nullable) = false, (gogoproto.jsontag) = "entries"];
}
message EntryAdapter {
google.protobuf.Timestamp timestamp = 1 [(gogoproto.stdtime) = true, (gogoproto.nullable) = false, (gogoproto.jsontag) = "ts"];
string line = 2 [(gogoproto.jsontag) = "line"];
}
message TailRequest {
string query = 1;
reserved 2;
uint32 delayFor = 3;
uint32 limit = 4;
google.protobuf.Timestamp start = 5 [(gogoproto.stdtime) = true, (gogoproto.nullable) = false];
}
message TailResponse {
StreamAdapter stream = 1 [(gogoproto.customtype) = "Stream"];
repeated DroppedStream droppedStreams = 2;
}
message SeriesRequest {
google.protobuf.Timestamp start = 1 [(gogoproto.stdtime) = true, (gogoproto.nullable) = false];
google.protobuf.Timestamp end = 2 [(gogoproto.stdtime) = true, (gogoproto.nullable) = false];
repeated string groups = 3;
}
message SeriesResponse {
repeated SeriesIdentifier series = 1 [(gogoproto.nullable) = false];
}
message SeriesIdentifier {
map<string,string> labels = 1;
}
message DroppedStream {
google.protobuf.Timestamp from = 1 [(gogoproto.stdtime) = true, (gogoproto.nullable) = false];
google.protobuf.Timestamp to = 2 [(gogoproto.stdtime) = true, (gogoproto.nullable) = false];
string labels = 3;
}
message TimeSeriesChunk {
string from_ingester_id = 1;
string user_id = 2;
repeated LabelPair labels = 3;
repeated Chunk chunks = 4;
}
message LabelPair {
string name = 1;
string value = 2;
}
message Chunk {
bytes data = 1;
}
message TransferChunksResponse {
}
message TailersCountRequest {
}
message TailersCountResponse {
uint32 count = 1;
}
@@ -0,0 +1,37 @@
#[allow(clippy::default_trait_access)]
mod proto {
include!(concat!(env!("OUT_DIR"), "/logproto.rs"));
}
use anyhow::Result;
use bytes::{Bytes, BytesMut};
use prost::Message;
pub fn create_push_request(entries: Vec<(i64, String)>) -> Result<Bytes> {
let mut entries_transformed = Vec::new();
for (timestamp, line) in entries {
entries_transformed.push(proto::EntryAdapter {
timestamp: Some(prost_types::Timestamp {
seconds: timestamp,
nanos: 0,
}),
line,
});
}
let req = proto::PushRequest {
streams: vec![proto::StreamAdapter {
labels: "{namespace=\"iptables\"}".to_string(),
entries: entries_transformed,
}],
};
let mut s = BytesMut::new();
req.encode(&mut s)?;
let s = s.freeze();
Ok(Bytes::from(
snap::raw::Encoder::new().compress_vec(s.as_ref())?,
))
}
@@ -0,0 +1,293 @@
#![deny(clippy::all, clippy::pedantic)]
mod config;
mod loki;
mod parser;
use crate::parser::Log;
use chrono::DateTime;
use chrono::Utc;
use clap::Clap;
use std::fmt::Display;
use std::fs::File;
use std::io::{BufRead, BufReader};
use std::net::IpAddr;
use std::path::Path;
use std::time::Duration;
use log::{debug, error};
use crossbeam_channel::Receiver;
use maxminddb::geoip2;
use notify::{
event::ModifyKind, immediate_watcher, Event, EventKind, RecommendedWatcher, RecursiveMode,
Watcher,
};
use anyhow::Result;
enum ModifyType {
Data,
Rotate,
}
struct LogReader {
_watcher: RecommendedWatcher,
reader: BufReader<File>,
recv: Receiver<ModifyType>,
}
fn open_log_file(path: &Path) -> Result<LogReader> {
while !path.exists() {
std::thread::sleep(Duration::new(1, 0));
}
let (send, recv) = crossbeam_channel::bounded(0);
let mut watcher = immediate_watcher(move |e| match e {
Ok(Event {
kind: EventKind::Modify(ModifyKind::Data(_)),
..
}) => {
let _ = send.try_send(ModifyType::Data);
}
Ok(Event {
kind: EventKind::Modify(ModifyKind::Name(_)),
..
}) => {
let _ = send.try_send(ModifyType::Rotate);
}
Err(e) => error!("Error watching file: {:?}", e),
_ => {}
})?;
watcher.watch(path, RecursiveMode::NonRecursive)?;
Ok(LogReader {
_watcher: watcher,
reader: BufReader::new(File::open(path)?),
recv,
})
}
#[derive(Debug)]
struct FirewallEntry<'a> {
time: &'a DateTime<Utc>,
hostname: &'a str,
rule: &'a str,
interface: &'a str,
mac: &'a str,
src: IpAddr,
src_port: u16,
dst: IpAddr,
dst_port: u16,
proto: &'a str,
asn: Option<u32>,
asn_org: Option<&'a String>,
city: Option<&'a String>,
country_code: Option<&'a String>,
country: Option<&'a String>,
lat: Option<f64>,
lng: Option<f64>,
}
impl<'a> FirewallEntry<'a> {
fn from(
log: &'a Log<'a>,
city: &'a Option<geoip2::City>,
country: &'a Option<geoip2::Country>,
asn: &'a Option<geoip2::Asn>,
) -> Result<FirewallEntry<'a>> {
let country = country
.as_ref()
.and_then(|country| country.country.as_ref());
let location = city.as_ref().and_then(|city| city.location.as_ref());
Ok(FirewallEntry {
time: &log.time,
hostname: log.hostname,
rule: log.rule,
interface: log.values.get("IN").unwrap_or(&""),
mac: log.values.get("MAC").unwrap_or(&""),
src: log.values.get("SRC").unwrap_or(&"").parse()?,
src_port: log.values.get("SPT").unwrap_or(&"").parse()?,
dst: log.values.get("DST").unwrap_or(&"").parse()?,
dst_port: log.values.get("DPT").unwrap_or(&"").parse()?,
proto: log.values.get("PROTO").unwrap_or(&""),
asn: asn.as_ref().and_then(|asn| asn.autonomous_system_number),
asn_org: asn
.as_ref()
.and_then(|asn| asn.autonomous_system_organization.as_ref()),
city: city
.as_ref()
.and_then(|city| city.city.as_ref())
.and_then(|city| city.names.as_ref())
.and_then(|names| names.get("en")),
country_code: country.and_then(|country| country.iso_code.as_ref()),
country: country
.and_then(|country| country.names.as_ref())
.and_then(|names| names.get("en")),
lat: location.and_then(|loc| loc.latitude),
lng: location.and_then(|loc| loc.longitude),
})
}
}
impl Display for FirewallEntry<'_> {
fn fmt(&self, fmt: &mut std::fmt::Formatter<'_>) -> std::result::Result<(), std::fmt::Error> {
write!(
fmt,
concat!(
"hostname=\"{}\" rule=\"{}\" interface=\"{}\" mac=\"{}\" src=\"{}\" src_port=\"{}\" ",
"dst=\"{}\" dst_port=\"{}\" proto=\"{}\" asn=\"{}\" asn_org=\"{}\" city=\"{}\" ",
"country_code=\"{}\" country=\"{}\" lat=\"{}\" lng=\"{}\"",
),
self.hostname,
self.rule,
self.interface,
self.mac,
self.src,
self.src_port,
self.dst,
self.dst_port,
self.proto,
self.asn.as_ref().map(ToString::to_string).unwrap_or_default(),
self.asn_org.as_ref().map(ToString::to_string).unwrap_or_default(),
self.city.as_ref().map(ToString::to_string).unwrap_or_default(),
self.country_code.as_ref().map(ToString::to_string).unwrap_or_default(),
self.country.as_ref().map(ToString::to_string).unwrap_or_default(),
self.lat.as_ref().map(ToString::to_string).unwrap_or_default(),
self.lng.as_ref().map(ToString::to_string).unwrap_or_default(),
)
}
}
#[tokio::main]
async fn main() {
env_logger::init();
let args: config::Args = config::Args::parse();
let config = match config::Config::load(&args) {
Ok(v) => v,
Err(e) => {
error!("Failed to load config file: {}", e);
std::process::exit(1);
}
};
if !config.log_file.exists() {
error!("Log file '{}' does not exist.", config.log_file.display());
std::process::exit(1);
}
let open_log_file_or_exit = || match open_log_file(&config.log_file) {
Ok(v) => v,
Err(e) => {
error!(
"Failed to watch log file '{}': {:?}",
config.log_file.display(),
e
);
std::process::exit(1);
}
};
let open_geoip_reader = |v: Option<&std::path::PathBuf>| {
v.map(|v| match maxminddb::Reader::open_mmap(v) {
Ok(db) => db,
Err(e) => {
error!("Failed to load GeoIP DB '{}': {}", v.display(), e);
std::process::exit(1);
}
})
};
let asn_db = open_geoip_reader(config.geoip.asn_db.as_ref());
let city_db = open_geoip_reader(config.geoip.city_db.as_ref());
let country_db = open_geoip_reader(config.geoip.country_db.as_ref());
let mut reader = open_log_file_or_exit();
let mut buf = String::new();
let client = reqwest::Client::new();
loop {
buf.clear();
let read_bytes = match reader.reader.read_line(&mut buf) {
Ok(v) => v,
Err(e) => {
error!("Failed to read line from file: {:?}", e);
std::thread::sleep(Duration::new(1, 0));
continue;
}
};
if read_bytes == 0 {
match reader.recv.recv() {
Ok(ModifyType::Data) => {}
Ok(ModifyType::Rotate) => reader = open_log_file_or_exit(),
Err(_) => std::thread::sleep(Duration::new(1, 0)),
}
continue;
}
let (_, log_line) = match parser::parse_log_line(&buf) {
Ok((_, v)) if !config.firewall.rules.iter().any(|rule| v.rule == rule) => {
debug!("Non-matching firewall rule: {}", v.rule);
continue;
}
Err(e) => {
debug!("Non-matching log line: {:?}", e);
continue;
}
Ok(v) => v,
};
if let Some(ip) = log_line.values.get("SRC") {
let ip = if let Ok(ip) = ip.parse() {
ip
} else {
error!("Malformed src ip in iptables logs {}", ip);
continue;
};
let asn: Option<geoip2::Asn> = asn_db.as_ref().and_then(|db| db.lookup(ip).ok());
let city: Option<geoip2::City> = city_db.as_ref().and_then(|db| db.lookup(ip).ok());
let country: Option<geoip2::Country> =
country_db.as_ref().and_then(|db| db.lookup(ip).ok());
let timestamp = log_line.time.timestamp();
let entry = match FirewallEntry::from(&log_line, &city, &country, &asn) {
Ok(v) => v.to_string(),
Err(e) => {
error!("Failed to build firewall entry for log: {:?}", e);
continue;
}
};
let req = match crate::loki::create_push_request(vec![(timestamp, entry)]) {
Ok(v) => v,
Err(e) => {
error!("Error creating a Loki push request: {:?}", e);
continue;
}
};
match client.post(&config.loki.push_url).body(req).send().await {
Ok(resp) => {
if !resp.status().is_success() {
error!(
"Error pushing log to Loki ({}): {:?}",
resp.status(),
resp.text().await
);
}
}
Err(e) => error!("Error pushing log to Loki: {:?}", e),
}
}
}
}
@@ -0,0 +1,153 @@
use nom::bytes::complete::take_until;
use std::collections::HashMap;
use chrono::offset::TimeZone;
use chrono::{DateTime, Datelike, Utc};
use nom::{
bytes::complete::{tag, take},
IResult,
};
fn parse_month<'a>((i, s): (&'a str, &str)) -> IResult<&'a str, u32> {
match s {
"Jan" => Ok((i, 1)),
"Feb" => Ok((i, 2)),
"Mar" => Ok((i, 3)),
"Apr" => Ok((i, 4)),
"May" => Ok((i, 5)),
"Jun" => Ok((i, 6)),
"Jul" => Ok((i, 7)),
"Aug" => Ok((i, 8)),
"Sep" => Ok((i, 9)),
"Oct" => Ok((i, 10)),
"Nov" => Ok((i, 11)),
"Dec" => Ok((i, 12)),
_ => Err(nom::Err::Failure(nom::error_position!(
"Jan,Feb,Mar,Apr,May,Jun,Jul,Aug,Sep,Oct,Nov,Dec",
nom::error::ErrorKind::OneOf
))),
}
}
fn take_n_digits(i: &str, n: usize) -> IResult<&str, u32> {
let (i, digits) = take(n)(i)?;
match digits.parse() {
Ok(res) => Ok((i, res)),
Err(_) => Err(nom::Err::Failure(nom::error_position!(
"Invalid string, expected ASCII representation of a number",
nom::error::ErrorKind::Digit
))),
}
}
fn parse_date_time(i: &str) -> IResult<&str, DateTime<Utc>> {
let (i, month) = parse_month(take(3_usize)(i)?)?;
let (i, _) = tag(" ")(i)?;
let (i, day) = take_n_digits(i, 2)?;
let (i, _) = tag(" ")(i)?;
let (i, hour) = take_n_digits(i, 2)?;
let (i, _) = tag(":")(i)?;
let (i, min) = take_n_digits(i, 2)?;
let (i, _) = tag(":")(i)?;
let (i, sec) = take_n_digits(i, 2)?;
Ok((
i,
chrono::Utc
.ymd(chrono::Utc::today().year(), month, day)
.and_hms(hour, min, sec),
))
}
fn parse_hostname(i: &str) -> IResult<&str, &str> {
take_until(" ")(i)
}
fn parse_bracketed_param(i: &str) -> IResult<&str, &str> {
let (i, _) = tag("[")(i)?;
let (i, time) = take_until("]")(i)?;
let (i, _) = tag("]")(i)?;
Ok((i, time))
}
fn parse_kvs(i: &str) -> IResult<&str, HashMap<&str, &str>> {
let (i, kvs) = nom::multi::separated_list0(
nom::character::complete::char(' '),
nom::sequence::separated_pair(take_until("="), tag("="), take_until(" ")),
)(i)?;
let mut map = HashMap::new();
for (key, value) in kvs {
map.insert(key, value);
}
Ok((i, map))
}
pub fn parse_log_line(i: &str) -> IResult<&str, Log> {
let (i, time) = parse_date_time(i)?;
let (i, _) = tag(" ")(i)?;
let (i, hostname) = parse_hostname(i)?;
let (i, _) = tag(" kernel: ")(i)?;
let (i, _) = parse_bracketed_param(i)?; let (i, _) = tag(" ")(i)?;
let (i, rule) = parse_bracketed_param(i)?;
let (i, values) = parse_kvs(i)?;
Ok((
i,
Log {
time,
hostname,
rule,
values,
},
))
}
#[derive(Debug)]
pub struct Log<'a> {
pub hostname: &'a str,
pub time: DateTime<Utc>,
pub rule: &'a str,
pub values: HashMap<&'a str, &'a str>,
}
#[cfg(test)]
mod tests {
use chrono::Datelike;
use chrono::Timelike;
use crate::parser::parse_date_time;
use crate::parser::parse_hostname;
use crate::parser::parse_log_line;
#[test]
fn test_parse_date_time() {
let (_, parsed) = parse_date_time("Apr 19 12:31:53").unwrap();
assert_eq!(
parsed.to_rfc3339(),
format!("{}-04-19T12:31:53+00:00", chrono::Utc::today().year())
);
}
#[test]
fn test_parse_hostname() {
let (_, parsed) = parse_hostname("vyos ignore the rest of this").unwrap();
assert_eq!(parsed, "vyos");
}
#[test]
fn test_parse_log_line() {
let (rest, parsed) = parse_log_line("May 23 12:31:53 vyos kernel: [213370.255870] [OUTSIDE-LOCAL-default-D]IN=pppoe0 OUT= MAC= SRC=125.166.96.62 DST=80.80.80.80 LEN=143 TOS=0x00 PREC=0x00 TTL=110 ID=9398 PROTO=UDP SPT=1025 DPT=7140 LEN=123").unwrap();
assert_eq!(parsed.time.hour(), 12);
assert_eq!(parsed.hostname, "vyos");
assert_eq!(parsed.rule, "OUTSIDE-LOCAL-default-D");
assert_eq!(parsed.values.get("IN"), Some(&"pppoe0"));
assert_eq!(parsed.values.get("MAC"), Some(&""));
assert_eq!(parsed.values.get("DST"), Some(&"80.80.80.80"));
assert_eq!(rest, "");
}
}