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channeldb/addr: validate ip before writing

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This commit is contained in:
Johan T. Halseth 2019-01-17 14:11:56 +01:00
parent 6f605b2de2
commit 02b7bb356a
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GPG Key ID: 15BAADA29DA20D26
1 changed files with 5 additions and 0 deletions
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5
channeldb/addr.go
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@ -3,6 +3,7 @@ package channeldb
import ( import (
"encoding/binary" "encoding/binary"
"errors" "errors"
"fmt"
"io" "io"
"net" "net"
@ -43,6 +44,10 @@ func encodeTCPAddr(w io.Writer, addr *net.TCPAddr) error {
ip = addr.IP.To16() ip = addr.IP.To16()
} }
if ip == nil {
return fmt.Errorf("unable to encode IP %v", addr.IP)
}
if _, err := w.Write([]byte{addrType}); err != nil { if _, err := w.Write([]byte{addrType}); err != nil {
return err return err
} }