utils: added password_with_output to authentication.py to capture ssh…

… output

sssd_test_framework/utils/authentication.py

@@ -413,23 +413,24 @@ def __init__(self, host: MultihostHost) -> None:
         self.opts = "-o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no"
         """SSH CLI options."""
 
-    def password(self, username: str, password: str) -> bool:
+    def password_with_output(self, username: str, password: str) -> tuple[int, str, str]:
         """
-        SSH to the remote host and authenticate the user with password.
+        SSH to the remote host and authenticate the user with password and captures standard output and error.
 
         :param username: Username.
         :type username: str
         :param password: User password.
         :type password: str
-        :return: True if authentication was successful, False otherwise.
-        :rtype: bool
+        :return: Tuple containing [return code, standard out, standard error].
+        :rtype: Tuple[int, str, str]
         """
 
         result = self.host.ssh.expect_nobody(
             rf"""
             # It takes some time to get authentication failure
             set timeout {DEFAULT_AUTHENTICATION_TIMEOUT}
             set prompt "\n.*\[#\$>\] $"
+            log_user 1
 
             spawn ssh {self.opts} \
                 -o PreferredAuthentications=password \
@@ -458,7 +459,21 @@ def password(self, username: str, password: str) -> bool:
         if result.rc > 200:
             raise ExpectScriptError(result.rc)
 
-        return result.rc == 0
+        return result.rc, result.stdout, result.stderr
+
+    def password(self, username: str, password: str) -> bool:
+        """
+        SSH to the remote host and authenticate the user with password.
+
+        :param username: Username.
+        :type username: str
+        :param password: User password.
+        :type password: str
+        :return: True if authentication was successful, False otherwise.
+        :rtype: bool
+        """
+        rc, _, _ = self.password_with_output(username, password)
+        return rc == 0
 
     def password_expired(self, username: str, password: str, new_password: str) -> bool:
         """