From 19fcec84d8d7d21e796c7624e521b60d28ee21ed Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sun, 7 Apr 2024 20:45:59 +0200
Subject: Adding upstream version 16.2.11+ds.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 doc/radosgw/mfa.rst | 102 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 102 insertions(+)
 create mode 100644 doc/radosgw/mfa.rst

(limited to 'doc/radosgw/mfa.rst')

diff --git a/doc/radosgw/mfa.rst b/doc/radosgw/mfa.rst
new file mode 100644
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+.. _rgw_mfa:
+
+==========================================
+RGW Support for Multifactor Authentication
+==========================================
+
+.. versionadded:: Mimic
+
+The S3 multifactor authentication (MFA) feature allows
+users to require the use of one-time password when removing
+objects on certain buckets. The buckets need to be configured
+with versioning and MFA enabled which can be done through
+the S3 api.
+
+Time-based one time password tokens can be assigned to a user
+through radosgw-admin. Each token has a secret seed, and a serial
+id that is assigned to it. Tokens are added to the user, can
+be listedm removed, and can also be re-synchronized.
+
+Multisite
+=========
+
+While the MFA IDs are set on the user's metadata, the
+actual MFA one time password configuration resides in the local zone's
+osds. Therefore, in a multi-site environment it is advisable to use
+different tokens for different zones.
+
+
+Terminology
+=============
+
+-``TOTP``: Time-based One Time Password
+
+-``token serial``: a string that represents the ID of a TOTP token
+
+-``token seed``: the secret seed that is used to calculate the TOTP
+
+-``totp seconds``: the time resolution that is being used for TOTP generation
+
+-``totp window``: the number of TOTP tokens that are checked before and after the current token when validating token
+
+-``totp pin``: the valid value of a TOTP token at a certain time
+
+
+Admin commands
+==============
+
+Create a new MFA TOTP token
+------------------------------------
+
+::
+
+   # radosgw-admin mfa create --uid=<user-id> \
+                              --totp-serial=<serial> \
+                              --totp-seed=<seed> \
+                              [ --totp-seed-type=<hex|base32> ] \
+                              [ --totp-seconds=<num-seconds> ] \
+                              [ --totp-window=<twindow> ]
+
+List MFA TOTP tokens
+---------------------
+
+::
+
+   # radosgw-admin mfa list --uid=<user-id>
+
+
+Show MFA TOTP token
+------------------------------------
+
+::
+
+   # radosgw-admin mfa get --uid=<user-id> --totp-serial=<serial>
+
+
+Delete MFA TOTP token
+------------------------
+
+::
+
+   # radosgw-admin mfa remove --uid=<user-id> --totp-serial=<serial>
+
+
+Check MFA TOTP token
+--------------------------------
+
+Test a TOTP token pin, needed for validating that TOTP functions correctly. ::
+
+   # radosgw-admin mfa check --uid=<user-id> --totp-serial=<serial> \
+                             --totp-pin=<pin>
+
+
+Re-sync MFA TOTP token
+--------------------------------
+
+In order to re-sync the TOTP token (in case of time skew). This requires
+feeding two consecutive pins: the previous pin, and the current pin. ::
+
+   # radosgw-admin mfa resync --uid=<user-id> --totp-serial=<serial> \
+                              --totp-pin=<prev-pin> --totp=pin=<current-pin>
+
+
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