MM-24484 allow base64 certs in config for TLS Syslog (#14445)

2020-05-06 19:45:03 -04:00
--- a/audit/syslogtls.go
+++ b/audit/syslogtls.go
@@ -7,12 +7,14 @@ import (
 	"context"
 	"crypto/tls"
 	"crypto/x509"
+	"encoding/base64"
+	"errors"
 	"fmt"
 	"io/ioutil"

-	syslog "github.com/RackSec/srslog"
 	"github.com/wiggin77/logr"
 	"github.com/wiggin77/merror"
+	syslog "github.com/wiggin77/srslog"
 )

 // Syslog outputs log records to local or remote syslog.
@@ -32,14 +34,11 @@ type SyslogParams struct {
 // NewSyslogTLSTarget creates a target capable of outputting log records to remote or local syslog via TLS.
 func NewSyslogTLSTarget(filter logr.Filter, formatter logr.Formatter, params *SyslogParams, maxQueue int) (*SyslogTLS, error) {
 	config := tls.Config{InsecureSkipVerify: params.Insecure}
-
 	if params.Cert != "" {
-		serverCert, err := ioutil.ReadFile(params.Cert)
+		pool, err := getCertPool(params.Cert)
 		if err != nil {
 			return nil, err
 		}
-		pool := x509.NewCertPool()
-		pool.AppendCertsFromPEM(serverCert)
 		config.RootCAs = pool
 	}

@@ -67,6 +66,31 @@ func (s *SyslogTLS) Shutdown(ctx context.Context) error {
 	return errs.ErrorOrNil()
 }

+// getCertPool returns a x509.CertPool containing the cert(s)
+// from `cert`, which can be a path to a .pem or .crt file,
+// or a base64 encoded cert.
+func getCertPool(cert string) (*x509.CertPool, error) {
+	if cert == "" {
+		return nil, errors.New("no cert provided")
+	}
+
+	// first treat as a file and try to read.
+	serverCert, err := ioutil.ReadFile(cert)
+	if err != nil {
+		// maybe it's a base64 encoded cert
+		serverCert, err = base64.StdEncoding.DecodeString(cert)
+		if err != nil {
+			return nil, errors.New("cert cannot be read")
+		}
+	}
+
+	pool := x509.NewCertPool()
+	if ok := pool.AppendCertsFromPEM(serverCert); ok {
+		return pool, nil
+	}
+	return nil, errors.New("cannot parse cert")
+}
+
 // Write converts the log record to bytes, via the Formatter,
 // and outputs to syslog via TLS.
 func (s *SyslogTLS) Write(rec *logr.LogRec) error {
--- a/audit/syslogtls_test.go
+++ b/audit/syslogtls_test.go
@@ -0,0 +1,38 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package audit
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func Test_getCertPool(t *testing.T) {
+	tests := []struct {
+		name    string
+		cert    string
+		wantErr bool
+	}{
+		{name: "garbage in, garbage out", wantErr: true, cert: "THISISNOTACERT"},
+		{name: "good cert base64", wantErr: false, cert: "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"},
+		{name: "good cert file", wantErr: false, cert: "test-tls-client-cert.pem"},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			pool, err := getCertPool(tt.cert)
+			if tt.wantErr {
+				assert.Error(t, err)
+				assert.Nil(t, pool)
+			} else {
+				assert.NoError(t, err)
+				assert.NotNil(t, pool)
+
+				// Test PEM has 2 certs.
+				subjects := pool.Subjects()
+				assert.Len(t, subjects, 2)
+			}
+		})
+	}
+}
--- a/audit/test-tls-client-cert.pem
+++ b/audit/test-tls-client-cert.pem
@@ -0,0 +1,43 @@
+-----BEGIN CERTIFICATE-----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+-----END CERTIFICATE----- 
+-----BEGIN CERTIFICATE-----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+-----END CERTIFICATE-----
--- a/go.mod
+++ b/go.mod
@@ -5,8 +5,7 @@ go 1.14
 require (
 	github.com/Masterminds/squirrel v1.2.0
 	github.com/NYTimes/gziphandler v1.1.1
-	github.com/RackSec/srslog v0.0.0-20180709174129-a4725f04ec91
-	github.com/armon/go-metrics v0.3.3 // indirect
+	github.com/armon/go-metrics v0.3.0 // indirect
 	github.com/avct/uasurfer v0.0.0-20191028135549-26b5daa857f1
 	github.com/beevik/etree v1.1.0 // indirect
 	github.com/blang/semver v3.5.1+incompatible
@@ -47,7 +46,6 @@ require (
 	github.com/icrowley/fake v0.0.0-20180203215853-4178557ae428
 	github.com/jaytaylor/html2text v0.0.0-20200412013138-3577fbdbcff7
 	github.com/jmoiron/sqlx v1.2.0
-	github.com/jonboulle/clockwork v0.1.0 // indirect
 	github.com/konsorten/go-windows-terminal-sequences v1.0.2 // indirect
 	github.com/lib/pq v1.4.0
 	github.com/magiconair/properties v1.8.1 // indirect
@@ -74,11 +72,10 @@ require (
 	github.com/pelletier/go-toml v1.7.0 // indirect
 	github.com/pkg/errors v0.9.1
 	github.com/prometheus/client_golang v1.5.1
-	github.com/prometheus/client_model v0.2.0 // indirect
 	github.com/prometheus/procfs v0.0.11 // indirect
 	github.com/rs/cors v1.7.0
 	github.com/rudderlabs/analytics-go v3.2.1+incompatible
-	github.com/russellhaering/goxmldsig v0.0.0-20180430223755-7acd5e4a6ef7
+	github.com/russellhaering/goxmldsig v0.0.0-20180430223755-7acd5e4a6ef7 // indirect
 	github.com/rwcarlsen/goexif v0.0.0-20190401172101-9e8deecbddbd
 	github.com/segmentio/analytics-go v3.1.0+incompatible
 	github.com/segmentio/backo-go v0.0.0-20200129164019-23eae7c10bd3 // indirect
@@ -99,6 +96,7 @@ require (
 	github.com/uber/jaeger-lib v2.2.0+incompatible
 	github.com/wiggin77/logr v1.0.4
 	github.com/wiggin77/merror v1.0.2
+	github.com/wiggin77/srslog v1.0.1
 	github.com/xtgo/uuid v0.0.0-20140804021211-a0b114877d4c // indirect
 	github.com/ziutek/mymysql v1.5.4 // indirect
 	go.uber.org/zap v1.15.0
--- a/go.sum
+++ b/go.sum
@@ -24,8 +24,6 @@ github.com/NYTimes/gziphandler v1.1.1 h1:ZUDjpQae29j0ryrS0u/B8HZfJBtBQHjqw2rQ2cq
 github.com/NYTimes/gziphandler v1.1.1/go.mod h1:n/CVRwUEOgIxrgPvAQhUUr9oeUtvrhMomdKFjzJNB0c=
 github.com/OneOfOne/xxhash v1.2.2/go.mod h1:HSdplMjZKSmBqAxg5vPj2TmRDmfkzw+cTzAElWljhcU=
 github.com/PaulARoy/azurestoragecache v0.0.0-20170906084534-3c249a3ba788/go.mod h1:lY1dZd8HBzJ10eqKERHn3CU59tfhzcAVb2c0ZhIWSOk=
-github.com/RackSec/srslog v0.0.0-20180709174129-a4725f04ec91 h1:vX+gnvBc56EbWYrmlhYbFYRaeikAke1GL84N4BEYOFE=
-github.com/RackSec/srslog v0.0.0-20180709174129-a4725f04ec91/go.mod h1:cDLGBht23g0XQdLjzn6xOGXDkLK182YfINAaZEQLCHQ=
 github.com/Shopify/sarama v1.19.0/go.mod h1:FVkBWblsNy7DGZRfXLU0O9RCGt5g3g3yEuWXgklEdEo=
 github.com/Shopify/toxiproxy v2.1.4+incompatible/go.mod h1:OXgGpZ6Cli1/URJOF1DMxUHB2q5Ap20/P/eIdh4G0pI=
 github.com/alecthomas/template v0.0.0-20160405071501-a0175ee3bccc/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
@@ -37,8 +35,8 @@ github.com/apache/thrift v0.12.0/go.mod h1:cp2SuWMxlEZw2r+iP2GNCdIi4C1qmUzdZFSVb
 github.com/armon/consul-api v0.0.0-20180202201655-eb2c6b5be1b6/go.mod h1:grANhF5doyWs3UAsr3K4I6qtAmlQcZDesFNEHPZAzj8=
 github.com/armon/go-metrics v0.0.0-20180917152333-f0300d1749da h1:8GUt8eRujhVEGZFFEjBj46YV4rDjvGrNxb0KMWYkL2I=
 github.com/armon/go-metrics v0.0.0-20180917152333-f0300d1749da/go.mod h1:Q73ZrmVTwzkszR9V5SSuryQ31EELlFMUz1kKyl939pY=
-github.com/armon/go-metrics v0.3.3 h1:a9F4rlj7EWWrbj7BYw8J8+x+ZZkJeqzNyRk8hdPF+ro=
-github.com/armon/go-metrics v0.3.3/go.mod h1:4O98XIr/9W0sxpJ8UaYkvjk10Iff7SnFrb4QAOwNTFc=
+github.com/armon/go-metrics v0.3.0 h1:B7AQgHi8QSEi4uHu7Sbsga+IJDU+CENgjxoo81vDUqU=
+github.com/armon/go-metrics v0.3.0/go.mod h1:zXjbSimjXTd7vOpY8B0/2LpvNvDoXBuplAD+gJD3GYs=
 github.com/armon/go-radix v0.0.0-20180808171621-7fddfc383310/go.mod h1:ufUuZ+zHj4x4TnLV4JWEpy2hxWSpsRywHrMgIH9cCH8=
 github.com/avct/uasurfer v0.0.0-20191028135549-26b5daa857f1 h1:9h8f71kuF1pqovnn9h7LTHLEjxzyQaj0j1rQq5nsMM4=
 github.com/avct/uasurfer v0.0.0-20191028135549-26b5daa857f1/go.mod h1:noBAuukeYOXa0aXGqxr24tADqkwDO2KRD15FsuaZ5a8=
@@ -417,13 +415,12 @@ github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZN
 github.com/posener/complete v1.1.1/go.mod h1:em0nMJCgc9GFtwrmVmEMR/ZL6WyhyjMBndrE9hABlRI=
 github.com/prometheus/client_golang v0.8.0/go.mod h1:7SWBe2y4D6OKWSNQJUaRYU/AaXPKyh/dDVn+NZz0KFw=
 github.com/prometheus/client_golang v0.9.1/go.mod h1:7SWBe2y4D6OKWSNQJUaRYU/AaXPKyh/dDVn+NZz0KFw=
+github.com/prometheus/client_golang v0.9.2/go.mod h1:OsXs2jCmiKlQ1lTBmv21f2mNfw4xf/QclQDMrYNZzcM=
 github.com/prometheus/client_golang v0.9.3-0.20190127221311-3c4408c8b829 h1:D+CiwcpGTW6pL6bv6KI3KbyEyCKyS+1JWS2h8PNDnGA=
 github.com/prometheus/client_golang v0.9.3-0.20190127221311-3c4408c8b829/go.mod h1:p2iRAGwDERtqlqzRXnrOVns+ignqQo//hLXqYxZYVNs=
 github.com/prometheus/client_golang v0.9.3/go.mod h1:/TN21ttK/J9q6uSwhBd54HahCDft0ttaMvbicHlPoso=
 github.com/prometheus/client_golang v1.0.0 h1:vrDKnkGzuGvhNAL56c7DBz29ZL+KxnoR0x7enabFceM=
 github.com/prometheus/client_golang v1.0.0/go.mod h1:db9x61etRT2tGnBNRi70OPL5FsnadC4Ky3P0J6CfImo=
-github.com/prometheus/client_golang v1.4.0 h1:YVIb/fVcOTMSqtqZWSKnHpSLBxu8DKgxq8z6RuBZwqI=
-github.com/prometheus/client_golang v1.4.0/go.mod h1:e9GMxYsXl05ICDXkRhurwBS4Q3OK1iX/F2sw+iXX5zU=
 github.com/prometheus/client_golang v1.4.1/go.mod h1:e9GMxYsXl05ICDXkRhurwBS4Q3OK1iX/F2sw+iXX5zU=
 github.com/prometheus/client_golang v1.5.1 h1:bdHYieyGlH+6OLEk2YQha8THib30KP0/yD0YH9m6xcA=
 github.com/prometheus/client_golang v1.5.1/go.mod h1:e9GMxYsXl05ICDXkRhurwBS4Q3OK1iX/F2sw+iXX5zU=
@@ -438,6 +435,7 @@ github.com/prometheus/client_model v0.2.0 h1:uq5h0d+GuxiXLJLNABMgp2qUWDPiLvgCzz2
 github.com/prometheus/client_model v0.2.0/go.mod h1:xMI15A0UPsDsEKsMN9yxemIoYk6Tm2C1GtYGdfGttqA=
 github.com/prometheus/common v0.0.0-20180801064454-c7de2306084e/go.mod h1:daVV7qP5qjZbuso7PdcryaAu0sAZbrN9i7WWcTMWvro=
 github.com/prometheus/common v0.0.0-20181113130724-41aa239b4cce/go.mod h1:daVV7qP5qjZbuso7PdcryaAu0sAZbrN9i7WWcTMWvro=
+github.com/prometheus/common v0.0.0-20181126121408-4724e9255275/go.mod h1:daVV7qP5qjZbuso7PdcryaAu0sAZbrN9i7WWcTMWvro=
 github.com/prometheus/common v0.2.0 h1:kUZDBDTdBVBYBj5Tmh2NZLlF60mfjA27rM34b+cVwNU=
 github.com/prometheus/common v0.2.0/go.mod h1:TNfzLD0ON7rHzMJeJkieUDPYmFC7Snx/y86RQel1bk4=
 github.com/prometheus/common v0.4.0/go.mod h1:TNfzLD0ON7rHzMJeJkieUDPYmFC7Snx/y86RQel1bk4=
@@ -446,6 +444,7 @@ github.com/prometheus/common v0.9.1 h1:KOMtN28tlbam3/7ZKEYKHhKoJZYYj3gMH4uc62x7X
 github.com/prometheus/common v0.9.1/go.mod h1:yhUN8i9wzaXS3w1O07YhxHEBxD+W35wd8bs7vj7HSQ4=
 github.com/prometheus/procfs v0.0.0-20180725123919-05ee40e3a273/go.mod h1:c3At6R/oaqEKCNdg8wHV1ftS6bRYblBhIjjI8uT2IGk=
 github.com/prometheus/procfs v0.0.0-20181005140218-185b4288413d/go.mod h1:c3At6R/oaqEKCNdg8wHV1ftS6bRYblBhIjjI8uT2IGk=
+github.com/prometheus/procfs v0.0.0-20181204211112-1dc9a6cbc91a/go.mod h1:c3At6R/oaqEKCNdg8wHV1ftS6bRYblBhIjjI8uT2IGk=
 github.com/prometheus/procfs v0.0.0-20190117184657-bf6a532e95b1 h1:/K3IL0Z1quvmJ7X0A1AwNEK7CRkVK3YwfOU/QAL4WGg=
 github.com/prometheus/procfs v0.0.0-20190117184657-bf6a532e95b1/go.mod h1:c3At6R/oaqEKCNdg8wHV1ftS6bRYblBhIjjI8uT2IGk=
 github.com/prometheus/procfs v0.0.0-20190507164030-5867b95ac084/go.mod h1:TjEm7ze935MbeOT/UhFTIMYKhuLP4wbCsTZCD3I8kEA=
@@ -568,6 +567,12 @@ github.com/wiggin77/logr v1.0.4 h1:g8YO5AU9hhKvLQnXceP8/y3JJtw3wPKL4kTzMTUdN5k=
 github.com/wiggin77/logr v1.0.4/go.mod h1:h98FF6GPfThhDrHCg063hZA1sIyOEzQ/P85wgqI0IqE=
 github.com/wiggin77/merror v1.0.2 h1:V0nH9eFp64ASyaXC+pB5WpvBoCg7NUwvaCSKdzlcHqw=
 github.com/wiggin77/merror v1.0.2/go.mod h1:uQTcIU0Z6jRK4OwqganPYerzQxSFJ4GSHM3aurxxQpg=
+github.com/wiggin77/srslog v0.0.0-20200405060129-9e4fac0bf76e h1:GbMgH03MQiRJErz8CT+cUTDTv97V19tUdJmlp5MEnZo=
+github.com/wiggin77/srslog v0.0.0-20200405060129-9e4fac0bf76e/go.mod h1:fehkyYDq1QfuYn60TDPu9YdY2bB85VUW2mvN1WynEls=
+github.com/wiggin77/srslog v1.0.0 h1:giZmgfUUM7ZnpH9b4r5DUmlanPch8iLxVS18S3SkCYQ=
+github.com/wiggin77/srslog v1.0.0/go.mod h1:fehkyYDq1QfuYn60TDPu9YdY2bB85VUW2mvN1WynEls=
+github.com/wiggin77/srslog v1.0.1 h1:gA2XjSMy3DrRdX9UqLuDtuVAAshb8bE1NhX1YK0Qe+8=
+github.com/wiggin77/srslog v1.0.1/go.mod h1:fehkyYDq1QfuYn60TDPu9YdY2bB85VUW2mvN1WynEls=
 github.com/xiang90/probing v0.0.0-20190116061207-43a291ad63a2/go.mod h1:UETIi67q53MR2AWcXfiuqkDkRtnGDLqkBTpCHuJHxtU=
 github.com/xordataexchange/crypt v0.0.3-0.20170626215501-b2862e3d0a77/go.mod h1:aYKd//L2LvnjZzWKhF00oedf4jCCReLcmhLdhm1A27Q=
 github.com/xtgo/uuid v0.0.0-20140804021211-a0b114877d4c h1:3lbZUMbMiGUW/LMkfsEABsc5zNT9+b1CvsJx47JzJ8g=
@@ -635,6 +640,7 @@ golang.org/x/net v0.0.0-20181023162649-9b4f9f5ad519/go.mod h1:mL1N/T3taQHkDXs73r
 golang.org/x/net v0.0.0-20181029044818-c44066c5c816/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20181106065722-10aee1819953/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20181114220301-adae6a3d119a/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
+golang.org/x/net v0.0.0-20181201002055-351d144fa1fc/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20181220203305-927f97764cc3/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20190108225652-1e06a53dbb7e/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20190125091013-d26f9f9a57f3/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
--- a/vendor/github.com/RackSec/srslog/.travis.yml
+++ b/vendor/github.com/RackSec/srslog/.travis.yml
@@ -1,18 +0,0 @@
-sudo: required
-dist: trusty
-group: edge
-language: go
-go:
- 1.5
-before_install:
-  - pip install --user codecov
-script:
- |
-  go get ./...
-  go test -v -coverprofile=coverage.txt -covermode=atomic
-  go vet
-after_success:
-  - codecov
-notifications:
-  slack:
-    secure: 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
--- a/vendor/github.com/RackSec/srslog/net_conn.go
+++ b/vendor/github.com/RackSec/srslog/net_conn.go
@@ -1,30 +0,0 @@
-package srslog
-
-import (
-	"net"
-)
-
-// netConn has an internal net.Conn and adheres to the serverConn interface,
-// allowing us to send syslog messages over the network.
-type netConn struct {
-	conn net.Conn
-}
-
-// writeString formats syslog messages using time.RFC3339 and includes the
-// hostname, and sends the message to the connection.
-func (n *netConn) writeString(framer Framer, formatter Formatter, p Priority, hostname, tag, msg string) error {
-	if framer == nil {
-		framer = DefaultFramer
-	}
-	if formatter == nil {
-		formatter = DefaultFormatter
-	}
-	formattedMessage := framer(formatter(p, hostname, tag, msg))
-	_, err := n.conn.Write([]byte(formattedMessage))
-	return err
-}
-
-// close the network connection
-func (n *netConn) close() error {
-	return n.conn.Close()
-}
--- a/vendor/github.com/armon/go-metrics/go.mod
+++ b/vendor/github.com/armon/go-metrics/go.mod
@@ -6,12 +6,14 @@ require (
 	github.com/DataDog/datadog-go v3.2.0+incompatible
 	github.com/circonus-labs/circonus-gometrics v2.3.1+incompatible
 	github.com/circonus-labs/circonusllhist v0.1.3 // indirect
-	github.com/golang/protobuf v1.3.2
+	github.com/golang/protobuf v1.2.0
 	github.com/hashicorp/go-immutable-radix v1.0.0
 	github.com/hashicorp/go-retryablehttp v0.5.3 // indirect
 	github.com/pascaldekloe/goe v0.1.0
-	github.com/prometheus/client_golang v1.4.0
-	github.com/prometheus/client_model v0.2.0
-	github.com/prometheus/common v0.9.1
+	github.com/pkg/errors v0.8.1 // indirect
+	github.com/prometheus/client_golang v0.9.2
+	github.com/prometheus/client_model v0.0.0-20180712105110-5c3871d89910
+	github.com/prometheus/common v0.0.0-20181126121408-4724e9255275
+	github.com/stretchr/testify v1.3.0 // indirect
 	github.com/tv42/httpunix v0.0.0-20150427012821-b75d8614f926 // indirect
 )
--- a/vendor/github.com/armon/go-metrics/go.sum
+++ b/vendor/github.com/armon/go-metrics/go.sum
@@ -1,39 +1,15 @@
 github.com/DataDog/datadog-go v3.2.0+incompatible h1:qSG2N4FghB1He/r2mFrWKCaL7dXCilEuNEeAn20fdD4=
 github.com/DataDog/datadog-go v3.2.0+incompatible/go.mod h1:LButxg5PwREeZtORoXG3tL4fMGNddJ+vMq1mwgfaqoQ=
-github.com/alecthomas/template v0.0.0-20160405071501-a0175ee3bccc/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
-github.com/alecthomas/template v0.0.0-20190718012654-fb15b899a751/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
-github.com/alecthomas/units v0.0.0-20151022065526-2efee857e7cf/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
-github.com/alecthomas/units v0.0.0-20190717042225-c3de453c63f4/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
 github.com/beorn7/perks v0.0.0-20180321164747-3a771d992973 h1:xJ4a3vCFaGF/jqvzLMYoU8P317H5OQ+Via4RmuPwCS0=
 github.com/beorn7/perks v0.0.0-20180321164747-3a771d992973/go.mod h1:Dwedo/Wpr24TaqPxmxbtue+5NUziq4I4S80YR8gNf3Q=
-github.com/beorn7/perks v1.0.0/go.mod h1:KWe93zE9D1o94FZ5RNwFwVgaQK1VOXiVxmqh+CedLV8=
-github.com/beorn7/perks v1.0.1 h1:VlbKKnNfV8bJzeqoa4cOKqO6bYr3WgKZxO8Z16+hsOM=
-github.com/beorn7/perks v1.0.1/go.mod h1:G2ZrVWU2WbWT9wwq4/hrbKbnv/1ERSJQ0ibhJ6rlkpw=
-github.com/cespare/xxhash/v2 v2.1.1 h1:6MnRN8NT7+YBpUIWxHtefFZOKTAPgGjpQSxqLNn0+qY=
-github.com/cespare/xxhash/v2 v2.1.1/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
 github.com/circonus-labs/circonus-gometrics v2.3.1+incompatible h1:C29Ae4G5GtYyYMm1aztcyj/J5ckgJm2zwdDajFbx1NY=
 github.com/circonus-labs/circonus-gometrics v2.3.1+incompatible/go.mod h1:nmEj6Dob7S7YxXgwXpfOuvO54S+tGdZdw9fuRZt25Ag=
 github.com/circonus-labs/circonusllhist v0.1.3 h1:TJH+oke8D16535+jHExHj4nQvzlZrj7ug5D7I/orNUA=
 github.com/circonus-labs/circonusllhist v0.1.3/go.mod h1:kMXHVDlOchFAehlya5ePtbp5jckzBHf4XRpQvBOLI+I=
 github.com/davecgh/go-spew v1.1.0 h1:ZDRjVQ15GmhC3fiQ8ni8+OwkZQO4DARzQgrnXU1Liz8=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
-github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
-github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
-github.com/go-kit/kit v0.8.0/go.mod h1:xBxKIO96dXMWWy0MnWVtmwkA9/13aqxPnvrjFYMA2as=
-github.com/go-kit/kit v0.9.0/go.mod h1:xBxKIO96dXMWWy0MnWVtmwkA9/13aqxPnvrjFYMA2as=
-github.com/go-logfmt/logfmt v0.3.0/go.mod h1:Qt1PoO58o5twSAckw1HlFXLmHsOX5/0LbT9GBnD5lWE=
-github.com/go-logfmt/logfmt v0.4.0/go.mod h1:3RMwSq7FuexP4Kalkev3ejPJsZTpXXBr9+V4qmtdjCk=
-github.com/go-stack/stack v1.8.0/go.mod h1:v0f6uXyyMGvRgIKkXu+yp6POWl0qKG85gN/melR3HDY=
-github.com/gogo/protobuf v1.1.1/go.mod h1:r8qH/GZQm5c6nD/R0oafs1akxWv10x8SbQlK7atdtwQ=
 github.com/golang/protobuf v1.2.0 h1:P3YflyNX/ehuJFLhxviNdFxQPkGK5cDcApsge1SqnvM=
 github.com/golang/protobuf v1.2.0/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
-github.com/golang/protobuf v1.3.1/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
-github.com/golang/protobuf v1.3.2 h1:6nsPYzhq5kReh6QImI3k5qWzO4PEbvbIW2cwSfR/6xs=
-github.com/golang/protobuf v1.3.2/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
-github.com/google/go-cmp v0.3.1/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU=
-github.com/google/go-cmp v0.4.0 h1:xsAVV57WRhGj6kEIi8ReJzQlHHqcBYCElAvkovg3B/4=
-github.com/google/go-cmp v0.4.0/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
-github.com/google/gofuzz v1.0.0/go.mod h1:dBl0BpW6vV/+mYPU4Po3pmUjxk6FQPldtuIdl/M65Eg=
 github.com/hashicorp/go-cleanhttp v0.5.0 h1:wvCrVc9TjDls6+YGAF2hAifE1E5U1+b4tH6KdvN3Gig=
 github.com/hashicorp/go-cleanhttp v0.5.0/go.mod h1:JpRdi6/HCYpAwUzNwuwqhbovhLtngrth3wmdIIUrZ80=
 github.com/hashicorp/go-immutable-radix v1.0.0 h1:AKDB1HM5PWEA7i4nhcpwOrO2byshxBjXVn/J/3+z5/0=
@@ -44,82 +20,28 @@ github.com/hashicorp/go-uuid v1.0.0 h1:RS8zrF7PhGwyNPOtxSClXXj9HA8feRnJzgnI1RJCS
 github.com/hashicorp/go-uuid v1.0.0/go.mod h1:6SBZvOh/SIDV7/2o3Jml5SYk/TvGqwFJ/bN7x4byOro=
 github.com/hashicorp/golang-lru v0.5.0 h1:CL2msUPvZTLb5O648aiLNJw3hnBxN2+1Jq8rCOH9wdo=
 github.com/hashicorp/golang-lru v0.5.0/go.mod h1:/m3WP610KZHVQ1SGc6re/UDhFvYD7pJ4Ao+sR/qLZy8=
-github.com/json-iterator/go v1.1.6/go.mod h1:+SdeFBvtyEkXs7REEP0seUULqWtbJapLOCVDaaPEHmU=
-github.com/json-iterator/go v1.1.9/go.mod h1:KdQUCv79m/52Kvf8AW2vK1V8akMuk1QjK/uOdHXbAo4=
-github.com/julienschmidt/httprouter v1.2.0/go.mod h1:SYymIcj16QtmaHHD7aYtjjsJG7VTCxuUUipMqKk8s4w=
-github.com/konsorten/go-windows-terminal-sequences v1.0.1/go.mod h1:T0+1ngSBFLxvqU3pZ+m/2kptfBszLMUkC4ZK/EgS/cQ=
-github.com/kr/logfmt v0.0.0-20140226030751-b84e30acd515/go.mod h1:+0opPa2QZZtGFBFZlji/RkVcI2GknAs/DXo4wKdlNEc=
-github.com/kr/pretty v0.1.0 h1:L/CwN0zerZDmRFUapSPitk6f+Q3+0za1rQkzVuMiMFI=
-github.com/kr/pretty v0.1.0/go.mod h1:dAy3ld7l9f0ibDNOQOHHMYYIIbhfbHSm3C4ZsoJORNo=
-github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ=
-github.com/kr/text v0.1.0 h1:45sCR5RtlFHMR4UwH9sdQ5TC8v0qDQCHnXt+kaKSTVE=
-github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI=
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 github.com/stretchr/objx v0.1.0 h1:4G4v2dO3VZwixGIRoQ5Lfboy6nUhCyYzaqnIAPPhYs4=
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
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 github.com/stretchr/testify v1.3.0 h1:TivCn/peBQ7UY8ooIcPgZFpTNSz0Q2U6UrFlUfqbe0Q=
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 github.com/tv42/httpunix v0.0.0-20150427012821-b75d8614f926/go.mod h1:9ESjWnEqriFuLhtthL60Sar/7RFoluCcXsuvEwTV5KM=
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 golang.org/x/sync v0.0.0-20181108010431-42b317875d0f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
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-gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
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-gopkg.in/yaml.v2 v2.2.4/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
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--- a/vendor/github.com/armon/go-metrics/inmem.go
+++ b/vendor/github.com/armon/go-metrics/inmem.go
@@ -10,8 +10,6 @@ import (
 	"time"
 )

-var spaceReplacer = strings.NewReplacer(" ", "_")
-
 // InmemSink provides a MetricSink that does in-memory aggregation
 // without sending metrics over a network. It can be embedded within
 // an application to provide profiling information.
@@ -314,21 +312,36 @@ func (i *InmemSink) getInterval() *IntervalMetrics {
 // Flattens the key for formatting, removes spaces
 func (i *InmemSink) flattenKey(parts []string) string {
 	buf := &bytes.Buffer{}
+	replacer := strings.NewReplacer(" ", "_")

-	joined := strings.Join(parts, ".")
-
-	spaceReplacer.WriteString(buf, joined)
+	if len(parts) > 0 {
+		replacer.WriteString(buf, parts[0])
+	}
+	for _, part := range parts[1:] {
+		replacer.WriteString(buf, ".")
+		replacer.WriteString(buf, part)
+	}

 	return buf.String()
 }

 // Flattens the key for formatting along with its labels, removes spaces
 func (i *InmemSink) flattenKeyLabels(parts []string, labels []Label) (string, string) {
-	key := i.flattenKey(parts)
-	buf := bytes.NewBufferString(key)
+	buf := &bytes.Buffer{}
+	replacer := strings.NewReplacer(" ", "_")
+
+	if len(parts) > 0 {
+		replacer.WriteString(buf, parts[0])
+	}
+	for _, part := range parts[1:] {
+		replacer.WriteString(buf, ".")
+		replacer.WriteString(buf, part)
+	}
+
+	key := buf.String()

 	for _, label := range labels {
-		spaceReplacer.WriteString(buf, fmt.Sprintf(";%s=%s", label.Name, label.Value))
+		replacer.WriteString(buf, fmt.Sprintf(";%s=%s", label.Name, label.Value))
 	}

 	return buf.String(), key
--- a/vendor/github.com/armon/go-metrics/metrics.go
+++ b/vendor/github.com/armon/go-metrics/metrics.go
@@ -269,25 +269,10 @@ func (m *Metrics) emitRuntimeStats() {
 	m.lastNumGC = num
 }

-// Creates a new slice with the provided string value as the first element
-// and the provided slice values as the remaining values.
-// Ordering of the values in the provided input slice is kept in tact in the output slice.
+// Inserts a string value at an index into the slice
 func insert(i int, v string, s []string) []string {
-	// Allocate new slice to avoid modifying the input slice
-	newS := make([]string, len(s)+1)
-
-	// Copy s[0, i-1] into newS
-	for j := 0; j < i; j++ {
-		newS[j] = s[j]
-	}
-
-	// Insert provided element at index i
-	newS[i] = v
-
-	// Copy s[i, len(s)-1] into newS starting at newS[i+1]
-	for j := i; j < len(s); j++ {
-		newS[j+1] = s[j]
-	}
-
-	return newS
+	s = append(s, "")
+	copy(s[i+1:], s[i:])
+	s[i] = v
+	return s
 }
--- a/vendor/github.com/wiggin77/srslog/.gitignore
+++ b/vendor/github.com/wiggin77/srslog/.gitignore
--- a/vendor/github.com/wiggin77/srslog/.travis.yml
+++ b/vendor/github.com/wiggin77/srslog/.travis.yml
@@ -0,0 +1,15 @@
+sudo: required
+dist: trusty
+group: edge
+language: go
+go:
+- 1.5
+before_install:
+  - pip install --user codecov
+script:
+- |
+  go get ./...
+  go test -v -coverprofile=coverage.txt -covermode=atomic
+  go vet
+after_success:
+  - codecov
--- a/vendor/github.com/wiggin77/srslog/CODE_OF_CONDUCT.md
+++ b/vendor/github.com/wiggin77/srslog/CODE_OF_CONDUCT.md
--- a/vendor/github.com/wiggin77/srslog/LICENSE
+++ b/vendor/github.com/wiggin77/srslog/LICENSE
--- a/vendor/github.com/wiggin77/srslog/README.md
+++ b/vendor/github.com/wiggin77/srslog/README.md
--- a/vendor/github.com/wiggin77/srslog/constants.go
+++ b/vendor/github.com/wiggin77/srslog/constants.go
--- a/vendor/github.com/wiggin77/srslog/dialer.go
+++ b/vendor/github.com/wiggin77/srslog/dialer.go
@@ -64,7 +64,7 @@ func (w *Writer) tlsDialer() (serverConn, string, error) {
 	var sc serverConn
 	hostname := w.hostname
 	if err == nil {
-		sc = &netConn{conn: c}
+		sc = newNetConn(c)
 		if hostname == "" {
 			hostname = c.LocalAddr().String()
 		}
@@ -79,7 +79,7 @@ func (w *Writer) basicDialer() (serverConn, string, error) {
 	var sc serverConn
 	hostname := w.hostname
 	if err == nil {
-		sc = &netConn{conn: c}
+		sc = newNetConn(c)
 		if hostname == "" {
 			hostname = c.LocalAddr().String()
 		}
@@ -95,7 +95,7 @@ func (w *Writer) customDialer() (serverConn, string, error) {
 	var sc serverConn
 	hostname := w.hostname
 	if err == nil {
-		sc = &netConn{conn: c}
+		sc = newNetConn(c)
 		if hostname == "" {
 			hostname = c.LocalAddr().String()
 		}
--- a/vendor/github.com/wiggin77/srslog/formatter.go
+++ b/vendor/github.com/wiggin77/srslog/formatter.go
--- a/vendor/github.com/wiggin77/srslog/framer.go
+++ b/vendor/github.com/wiggin77/srslog/framer.go
--- a/vendor/github.com/wiggin77/srslog/go.mod
+++ b/vendor/github.com/wiggin77/srslog/go.mod
@@ -0,0 +1,3 @@
+module github.com/wiggin77/srslog
+
+go 1.14
--- a/vendor/github.com/wiggin77/srslog/logger.go
+++ b/vendor/github.com/wiggin77/srslog/logger.go
@@ -0,0 +1,13 @@
+package srslog
+
+import (
+	"io/ioutil"
+	"log"
+)
+
+var Logger log.Logger
+
+func init() {
+	Logger = log.Logger{}
+	Logger.SetOutput(ioutil.Discard)
+}
--- a/vendor/github.com/wiggin77/srslog/net_conn.go
+++ b/vendor/github.com/wiggin77/srslog/net_conn.go
@@ -0,0 +1,76 @@
+package srslog
+
+import (
+	"io"
+	"net"
+	"time"
+)
+
+// netConn has an internal net.Conn and adheres to the serverConn interface,
+// allowing us to send syslog messages over the network.
+type netConn struct {
+	conn net.Conn
+	done chan interface{}
+}
+
+// newNetConn creates a netConn instance that is monitored for unexpected socket closure.
+func newNetConn(conn net.Conn) *netConn {
+	nc := &netConn{conn: conn, done: make(chan interface{})}
+	go monitor(nc.conn, nc.done)
+	return nc
+}
+
+// writeString formats syslog messages using time.RFC3339 and includes the
+// hostname, and sends the message to the connection.
+func (n *netConn) writeString(framer Framer, formatter Formatter, p Priority, hostname, tag, msg string) error {
+	if framer == nil {
+		framer = DefaultFramer
+	}
+	if formatter == nil {
+		formatter = DefaultFormatter
+	}
+	formattedMessage := framer(formatter(p, hostname, tag, msg))
+	_, err := n.conn.Write([]byte(formattedMessage))
+	return err
+}
+
+// close the network connection
+func (n *netConn) close() error {
+	// signal monitor goroutine to exit
+	close(n.done)
+	// wake up monitor blocked on read (close usually is enough)
+	_ = n.conn.SetReadDeadline(time.Now())
+	// close the connection
+	return n.conn.Close()
+}
+
+// monitor continuously tries to read from the connection to detect socket close.
+// This is needed because syslog server uses a write only socket and Linux systems
+// take a long time to detect a loss of connectivity on a socket when only writing;
+// the writes simply fail without an error returned.
+func monitor(conn net.Conn, done chan interface{}) {
+	defer Logger.Println("monitor exit")
+
+	buf := make([]byte, 1)
+	for {
+		Logger.Println("monitor loop")
+
+		select {
+		case <-done:
+			return
+		case <-time.After(1 * time.Second):
+		}
+
+		err := conn.SetReadDeadline(time.Now().Add(time.Second * 30))
+		if err != nil {
+			continue
+		}
+
+		_, err = conn.Read(buf)
+		Logger.Println("monitor -- ", err)
+		if err == io.EOF {
+			Logger.Println("monitor close conn")
+			conn.Close()
+		}
+	}
+}
--- a/vendor/github.com/wiggin77/srslog/srslog.go
+++ b/vendor/github.com/wiggin77/srslog/srslog.go
--- a/vendor/github.com/wiggin77/srslog/srslog_unix.go
+++ b/vendor/github.com/wiggin77/srslog/srslog_unix.go
--- a/vendor/github.com/wiggin77/srslog/writer.go
+++ b/vendor/github.com/wiggin77/srslog/writer.go
--- a/vendor/modules.txt
+++ b/vendor/modules.txt
@@ -4,10 +4,7 @@ github.com/Masterminds/squirrel
 # github.com/NYTimes/gziphandler v1.1.1
 ## explicit
 github.com/NYTimes/gziphandler
-# github.com/RackSec/srslog v0.0.0-20180709174129-a4725f04ec91
-## explicit
-github.com/RackSec/srslog
-# github.com/armon/go-metrics v0.3.3
+# github.com/armon/go-metrics v0.3.0
 ## explicit
 github.com/armon/go-metrics
 # github.com/avct/uasurfer v0.0.0-20191028135549-26b5daa857f1
@@ -159,7 +156,6 @@ github.com/jaytaylor/html2text
 github.com/jmoiron/sqlx
 github.com/jmoiron/sqlx/reflectx
 # github.com/jonboulle/clockwork v0.1.0
-## explicit
 github.com/jonboulle/clockwork
 # github.com/json-iterator/go v1.1.9
 github.com/json-iterator/go
@@ -286,7 +282,6 @@ github.com/prometheus/client_golang/prometheus
 github.com/prometheus/client_golang/prometheus/internal
 github.com/prometheus/client_golang/prometheus/promhttp
 # github.com/prometheus/client_model v0.2.0
-## explicit
 github.com/prometheus/client_model/go
 # github.com/prometheus/common v0.9.1
 github.com/prometheus/common/expfmt
@@ -398,6 +393,9 @@ github.com/wiggin77/logr/target
 # github.com/wiggin77/merror v1.0.2
 ## explicit
 github.com/wiggin77/merror
+# github.com/wiggin77/srslog v1.0.1
+## explicit
+github.com/wiggin77/srslog
 # github.com/xtgo/uuid v0.0.0-20140804021211-a0b114877d4c
 ## explicit
 github.com/xtgo/uuid