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ipn/ipnlocal: flesh out error on ssh host key parse error

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Change-Id: Iedd2d3898befa536181036b9e9dea59bc777a440
Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
This commit is contained in:
Brad Fitzpatrick 2022-07-22 08:01:47 -07:00 committed by Brad Fitzpatrick
parent 90ccba6730
commit 227c6b2a53
1 changed files with 3 additions and 2 deletions
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5
ipn/ipnlocal/ssh.go
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@ -117,7 +117,8 @@ func (b *LocalBackend) hostKeyFileOrCreate(keyDir, typ string) ([]byte, error) {
func (b *LocalBackend) getSystemSSH_HostKeys() (ret []ssh.Signer, err error) {
// TODO(bradfitz): cache this?
for _, typ := range keyTypes {
hostKey, err := ioutil.ReadFile("/etc/ssh/ssh_host_" + typ + "_key")
filename := "/etc/ssh/ssh_host_" + typ + "_key"
hostKey, err := ioutil.ReadFile(filename)
if os.IsNotExist(err) {
continue
}
@ -126,7 +127,7 @@ func (b *LocalBackend) getSystemSSH_HostKeys() (ret []ssh.Signer, err error) {
}
signer, err := ssh.ParsePrivateKey(hostKey)
if err != nil {
return nil, err
return nil, fmt.Errorf("error reading private key %s: %w", filename, err)
}
ret = append(ret, signer)
}