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sftpd: log fingerprints for used host keys

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This commit is contained in:
Nicola Murino
2020-10-21 14:27:58 +02:00
parent 56bf8364cd
commit 6a8039e76a
1 changed files with 6 additions and 4 deletions
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10
sftpd/server.go
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@@ -301,7 +301,7 @@ func (c Configuration) AcceptInboundConnection(conn net.Conn, config *ssh.Server
fs, err := user.GetFilesystem(connectionID) fs, err := user.GetFilesystem(connectionID)
if err != nil { if err != nil {
logger.Warn(logSender, "", "could create filesystem for user %#v err: %v", user.Username, err) logger.Warn(logSender, "", "could not create filesystem for user %#v err: %v", user.Username, err)
return return
} }
@@ -555,14 +555,14 @@ func (c *Configuration) checkAndLoadHostKeys(configDir string, serverConfig *ssh
for _, k := range c.HostKeys { for _, k := range c.HostKeys {
hostKey := k hostKey := k
if !utils.IsFileInputValid(hostKey) { if !utils.IsFileInputValid(hostKey) {
logger.Warn(logSender, "", "unable to load invalid host key: %#v", hostKey) logger.Warn(logSender, "", "unable to load invalid host key %#v", hostKey)
logger.WarnToConsole("unable to load invalid host key: %#v", hostKey) logger.WarnToConsole("unable to load invalid host key %#v", hostKey)
continue continue
} }
if !filepath.IsAbs(hostKey) { if !filepath.IsAbs(hostKey) {
hostKey = filepath.Join(configDir, hostKey) hostKey = filepath.Join(configDir, hostKey)
} }
logger.Info(logSender, "", "Loading private host key: %s", hostKey) logger.Info(logSender, "", "Loading private host key %#v", hostKey)
privateBytes, err := ioutil.ReadFile(hostKey) privateBytes, err := ioutil.ReadFile(hostKey)
if err != nil { if err != nil {
@@ -573,6 +573,8 @@ func (c *Configuration) checkAndLoadHostKeys(configDir string, serverConfig *ssh
if err != nil { if err != nil {
return err return err
} }
logger.Info(logSender, "", "Host key %#v loaded, type %#v, fingerprint %#v", hostKey,
private.PublicKey().Type(), ssh.FingerprintSHA256(private.PublicKey()))
// Add private key to the server configuration. // Add private key to the server configuration.
serverConfig.AddHostKey(private) serverConfig.AddHostKey(private)