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Validate the incoming nodekey with regex before attempting to parse

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Signed-off-by: Kristoffer Dalby <kristoffer@tailscale.com>
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Kristoffer Dalby 2022-09-23 11:51:38 +02:00
parent d06ba7b522
commit 2bb34751d1
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2 changed files with 19 additions and 0 deletions
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3
utils.go
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@ -17,6 +17,7 @@ import (
"os"
"path/filepath"
"reflect"
"regexp"
"strconv"
"strings"
@ -64,6 +65,8 @@ const (
ZstdCompression = "zstd"
)
var NodePublicKeyRegex = regexp.MustCompile("nodekey:[a-fA-F0-9]+")
func MachinePublicKeyStripPrefix(machineKey key.MachinePublic) string {
return strings.TrimPrefix(machineKey.String(), machinePublicHexPrefix)
}