linter stuff mostly

certificate.go

@@ -20,6 +20,9 @@ func NewCertificate(typ uint8) (cert Certificate) {
 
 func NewCertificateFromMessage(stream *Stream) (cert Certificate, err error) {
 	cert.certType, err = stream.ReadByte()
+	if err != nil {
+		return
+	}
 	cert.length, err = stream.ReadUint16()
 	if err != nil {
 		return
@@ -49,6 +52,9 @@ func (cert *Certificate) Copy() (newCert Certificate) {
 
 func (cert *Certificate) WriteToMessage(stream *Stream) (err error) {
 	err = stream.WriteByte(cert.certType)
+	if err != nil {
+		return
+	}
 	err = stream.WriteUint16(cert.length)
 	if cert.length > 0 {
 		_, err = stream.Write(cert.data)

lease.go

@@ -10,13 +10,22 @@ func NewLeaseFromStream(stream *Stream) (l *Lease, err error) {
 	l = &Lease{}
 	stream.Read(l.tunnelGateway[:])
 	l.tunnelId, err = stream.ReadUint32()
+	if err != nil {
+		return nil, err
+	}
 	l.endDate, err = stream.ReadUint64()
 	return
 }
 
 func (l *Lease) WriteToMessage(stream *Stream) (err error) {
 	_, err = stream.Write(l.tunnelGateway[:])
+	if err != nil {
+		return err
+	}
 	err = stream.WriteUint32(l.tunnelId)
+	if err != nil {
+		return err
+	}
 	err = stream.WriteUint64(l.endDate)
 	return
 }

session_config.go

@@ -4,8 +4,8 @@ import (
 	"bufio"
 	"os"
 	"regexp"
+	"strings"
 	"time"
-    "strings"
 )
 
 type SessionConfigProperty int
@@ -140,9 +140,9 @@ func (config *SessionConfig) SetProperty(prop SessionConfigProperty, value strin
 func ParseConfig(s string, cb func(string, string)) {
 	file, err := os.Open(s)
 	if err != nil {
-        if !strings.Contains(err.Error(), "no such file") {
-            Error(SESSION_CONFIG, err.Error())
-        }
+		if !strings.Contains(err.Error(), "no such file") {
+			Error(SESSION_CONFIG, err.Error())
+		}
 		return
 	}
 	Debug(SESSION_CONFIG, "Parsing config file '%s'", s)

stream.go

@@ -54,6 +54,9 @@ func (s *Stream) WriteUint64(i uint64) (err error) {
 
 func (stream *Stream) WriteLenPrefixedString(s string) (err error) {
 	err = stream.WriteByte(uint8(len(s)))
+	if err != nil {
+		return
+	}
 	_, err = stream.WriteString(s)
 	return
 }
@@ -75,6 +78,9 @@ func (stream *Stream) WriteMapping(m map[string]string) (err error) {
 		buf.WriteByte(byte(';'))
 	}
 	err = stream.WriteUint16(uint16(buf.Len()))
+	if err != nil {
+		return
+	}
 	_, err = stream.Write(buf.Bytes())
 	return
 }