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This patch allows the dashboard to work again with TLS enabled; it however disables the possibility to create self-signed certs via the `ceph` CLI. This means that users will have to supply the correct key/cert pair themselves, which are just a few extra steps instead. [0] Users that try to generate a self-signed cert via the `ceph` CLI are instead provided with instructions on how to generate and configure a key/cert pair themselves. Additionally, the check whether the cert and key match is removed during the dashboard's launch. See the patch for additional details. [0]: https://docs.ceph.com/en/reef/mgr/dashboard/#ssl-tls-support Signed-off-by: Max Carrara <m.carrara@proxmox.com>
102 lines
4.2 KiB
Diff
102 lines
4.2 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Max Carrara <m.carrara@proxmox.com>
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Date: Thu, 4 Jan 2024 17:37:50 +0100
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Subject: [PATCH] mgr/dashboard: remove ability to create and check TLS
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key/cert pairs
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In order to avoid running into PyO3-related issues [0] with PyOpenSSL,
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the ability to create self-signed certs is disabled - the command
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`ceph dashboard create-self-signed-cert` is made to always return an
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error.
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The command's error message contains the manual steps the user may
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follow in order to set the certificate themselves, as well as a link
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to the Ceph Dashboard documentation regarding TLS support. [1]
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Furthermore, the check on start-up, that verifies that the configured
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key/cert pair actually match, is also removed. This means that users
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need to ensure themselves that the correct pair is supplied -
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otherwise their browser will complain.
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These changes allow the dashboard to launch with TLS enabled again.
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[0]: https://tracker.ceph.com/issues/63529
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[1]: https://docs.ceph.com/en/reef/mgr/dashboard/#ssl-tls-support
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Signed-off-by: Max Carrara <m.carrara@proxmox.com>
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---
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src/pybind/mgr/dashboard/module.py | 41 ++++++++++++++++++++----------
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1 file changed, 27 insertions(+), 14 deletions(-)
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diff --git a/src/pybind/mgr/dashboard/module.py b/src/pybind/mgr/dashboard/module.py
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index 68725be6e35..9db55a3ee93 100644
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--- a/src/pybind/mgr/dashboard/module.py
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+++ b/src/pybind/mgr/dashboard/module.py
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@@ -23,8 +23,7 @@ if TYPE_CHECKING:
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from mgr_module import CLIReadCommand, CLIWriteCommand, HandleCommandResult, \
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MgrModule, MgrStandbyModule, NotifyType, Option, _get_localized_key
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-from mgr_util import ServerConfigException, build_url, \
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- create_self_signed_cert, get_default_addr, verify_tls_files
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+from mgr_util import ServerConfigException, build_url, get_default_addr
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from . import mgr
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from .controllers import Router, json_error_page
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@@ -172,11 +171,14 @@ class CherryPyConfig(object):
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else:
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pkey_fname = self.get_localized_module_option('key_file') # type: ignore
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- verify_tls_files(cert_fname, pkey_fname)
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-
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# Create custom SSL context to disable TLS 1.0 and 1.1.
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context = ssl.create_default_context(ssl.Purpose.CLIENT_AUTH)
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- context.load_cert_chain(cert_fname, pkey_fname)
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+
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+ try:
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+ context.load_cert_chain(cert_fname, pkey_fname)
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+ except ssl.SSLError:
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+ raise ServerConfigException("No certificate configured")
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+
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if sys.version_info >= (3, 7):
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if Settings.UNSAFE_TLS_v1_2:
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context.minimum_version = ssl.TLSVersion.TLSv1_2
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@@ -473,15 +475,26 @@ class Module(MgrModule, CherryPyConfig):
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@CLIWriteCommand("dashboard create-self-signed-cert")
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def set_mgr_created_self_signed_cert(self):
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- cert, pkey = create_self_signed_cert('IT', 'ceph-dashboard')
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- result = HandleCommandResult(*self.set_ssl_certificate(inbuf=cert))
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- if result.retval != 0:
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- return result
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-
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- result = HandleCommandResult(*self.set_ssl_certificate_key(inbuf=pkey))
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- if result.retval != 0:
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- return result
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- return 0, 'Self-signed certificate created', ''
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+ from textwrap import dedent
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+
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+ err = """
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+ Creating self-signed certificates is currently not available.
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+ However, you can still set a key and certificate pair manually:
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+
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+ 1. Generate a private key and self-signed certificate:
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+ # openssl req -newkey rsa:2048 -nodes -x509 \\
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+ -keyout /root/dashboard-key.pem -out /root/dashboard-cert.pem -sha512 \\
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+ -days 3650 -subj "/CN=IT/O=ceph-mgr-dashboard" -utf8
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+
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+ 2. Set the corresponding config keys for the key/cert pair:
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+ # ceph config-key set mgr/dashboard/key -i /root/dashboard-key.pem
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+ # ceph config-key set mgr/dashboard/crt -i /root/dashboard-crt.pem
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+
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+ For more information on how to configure TLS for the dashboard, visit:
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+ https://docs.ceph.com/en/reef/mgr/dashboard/#ssl-tls-support
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+ """
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+
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+ return -errno.ENOTSUP, '', dedent(err).strip()
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@CLIWriteCommand("dashboard set-rgw-credentials")
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def set_rgw_credentials(self):
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--
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2.39.2
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