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AUTH-2089: Revise ssh server to function as a proxy

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This commit is contained in:
Michael Borkenstein
2019-09-30 15:44:23 -05:00
parent b3bcce97da
commit dbde3870da
10 changed files with 205 additions and 860 deletions
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13
sshserver/host_keys.go
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@@ -19,11 +19,12 @@ import (
)
const (
rsaFilename = "ssh_host_rsa_key"
ecdsaFilename = "ssh_host_ecdsa_key"
systemConfigPath = "/usr/local/etc/cloudflared/"
rsaFilename = "ssh_host_rsa_key"
ecdsaFilename = "ssh_host_ecdsa_key"
)
func (s *SSHServer) configureHostKeys() error {
func (s *SSHProxy) configureHostKeys() error {
if _, err := os.Stat(systemConfigPath); os.IsNotExist(err) {
if err := os.MkdirAll(systemConfigPath, 0755); err != nil {
return errors.Wrap(err, fmt.Sprintf("Error creating %s directory", systemConfigPath))
@@ -41,7 +42,7 @@ func (s *SSHServer) configureHostKeys() error {
return nil
}
func (s *SSHServer) configureHostKey(keyFunc func() (string, error)) error {
func (s *SSHProxy) configureHostKey(keyFunc func() (string, error)) error {
path, err := keyFunc()
if err != nil {
return err
@@ -53,7 +54,7 @@ func (s *SSHServer) configureHostKey(keyFunc func() (string, error)) error {
return nil
}
func (s *SSHServer) ensureRSAKeyExists() (string, error) {
func (s *SSHProxy) ensureRSAKeyExists() (string, error) {
keyPath := filepath.Join(systemConfigPath, rsaFilename)
if _, err := os.Stat(keyPath); os.IsNotExist(err) {
key, err := rsa.GenerateKey(rand.Reader, 2048)
@@ -75,7 +76,7 @@ func (s *SSHServer) ensureRSAKeyExists() (string, error) {
return keyPath, nil
}
func (s *SSHServer) ensureECDSAKeyExists() (string, error) {
func (s *SSHProxy) ensureECDSAKeyExists() (string, error) {
keyPath := filepath.Join(systemConfigPath, ecdsaFilename)
if _, err := os.Stat(keyPath); os.IsNotExist(err) {
key, err := ecdsa.GenerateKey(elliptic.P256(), rand.Reader)