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Commit 1b5aa2c0 authored by Mikkel Oscar Lyderik's avatar Mikkel Oscar Lyderik
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ssh pubkey parsing: prevent segfault

Fixes an issue where the apiserver would segfault when parsing an ssh public key that isn't PEM encoded.
parent 6bda989d
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pkg/ssh/ssh.go
View file @ 1b5aa2c0
......@@ -277,6 +277,9 @@ func ParsePublicKeyFromFile(keyFile string) (*rsa.PublicKey, error) {
return nil, fmt.Errorf("error reading SSH key %s: '%v'", keyFile, err)
}
keyBlock, _ := pem.Decode(buffer)
if keyBlock == nil {
return nil, fmt.Errorf("error parsing SSH key %s: 'invalid PEM format'", keyFile)
}
key, err := x509.ParsePKIXPublicKey(keyBlock.Bytes)
if err != nil {
return nil, fmt.Errorf("error parsing SSH key %s: '%v'", keyFile, err)
......
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