diff --git a/src/client.cr b/src/client.cr
index ff20ca8..5d47b13 100644
--- a/src/client.cr
+++ b/src/client.cr
@@ -1,3 +1,4 @@
+require "baguette-crystal-base"
 require "option_parser"
 require "yaml"
 require "./authd.cr"
@@ -305,6 +306,26 @@ def main
 	# Authd connection.
 	authd = AuthD::Client.new
 
+	# Read configuration.
+	simulation, no_configuration, configuration_file = Baguette::Configuration.option_parser
+
+	# Authd configuration.
+	authentication_config = if no_configuration
+		Baguette::Log.info "do not load a configuration file."
+		Baguette::Configuration::Auth.new
+	else
+		# Configuration file is for dnsmanagerd.
+		Baguette::Configuration::Auth.get || Baguette::Configuration::Auth.new
+	end
+
+	# FIXME I guess: why isn't this working?
+	#Baguette::Configuration.verbosity = authentication_config.verbosity
+
+	if key_file = authentication_config.secret_key_file
+		authentication_config.secret_key = File.read(key_file).chomp
+	end
+
+	# TODO: when I have the time, clean up this redundant piece of code. In the meantime, it works.
 	if login = Context.authd_login
 		pass = if p = Context.authd_pass
 			p
@@ -317,11 +338,28 @@ def main
 		case response
 		when Response::Login
 			uid = response.uid
-			token = response.token
-			Baguette::Log.info "Authenticated as #{login} #{uid}, token: #{token}"
+			#token = response.token
+			Baguette::Log.info "Authenticated as #{login} #{uid}"
 		else
 			raise "Cannot authenticate to authd with login #{login}: #{response}."
 		end
+	else
+		Baguette::Log.info "no authd login from CLI."
+		if authentication_config.login.nil? || authentication_config.pass.nil?
+			Baguette::Log.info "no authd login from configuration either."
+		else
+			login = authentication_config.login.not_nil!
+			pass  = authentication_config.pass.not_nil!
+			response = authd.login? login, pass
+			case response
+			when Response::Login
+				uid = response.uid
+				#token = response.token
+				Baguette::Log.info "Authenticated as #{login} #{uid}"
+			else
+				raise "Cannot authenticate to authd with login #{login}: #{response}."
+			end
+		end
 	end
 
 	actions = Actions.new authd