summaryrefslogtreecommitdiffstats
path: root/src/auth/krb/KrbProtocol.hpp
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:45:59 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:45:59 +0000
commit19fcec84d8d7d21e796c7624e521b60d28ee21ed (patch)
tree42d26aa27d1e3f7c0b8bd3fd14e7d7082f5008dc /src/auth/krb/KrbProtocol.hpp
parentInitial commit. (diff)
downloadceph-upstream/16.2.11+ds.tar.xz
ceph-upstream/16.2.11+ds.zip
Adding upstream version 16.2.11+ds.upstream/16.2.11+dsupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/auth/krb/KrbProtocol.hpp')
-rw-r--r--src/auth/krb/KrbProtocol.hpp160
1 files changed, 160 insertions, 0 deletions
diff --git a/src/auth/krb/KrbProtocol.hpp b/src/auth/krb/KrbProtocol.hpp
new file mode 100644
index 000000000..abddb5848
--- /dev/null
+++ b/src/auth/krb/KrbProtocol.hpp
@@ -0,0 +1,160 @@
+// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
+// vim: ts=8 sw=2 smarttab
+/*
+ * Ceph - scalable distributed file system
+ *
+ * Copyright (c) 2018 SUSE LLC.
+ * Author: Daniel Oliveira <doliveira@suse.com>
+ *
+ * This is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License version 2.1, as published by the Free Software
+ * Foundation. See file COPYING.
+ *
+ */
+
+#ifndef KRB_PROTOCOL_HPP
+#define KRB_PROTOCOL_HPP
+
+#include "auth/Auth.h"
+
+#include <errno.h>
+#include <gssapi.h>
+#include <gssapi/gssapi_generic.h>
+#include <gssapi/gssapi_krb5.h>
+#include <gssapi/gssapi_ext.h>
+
+#include <map>
+#include <sstream>
+#include <string>
+
+/*
+ Kerberos Version 5 GSS-API Mechanism
+ OID {1.2.840.113554.1.2.2}
+ RFC https://tools.ietf.org/html/rfc1964
+*/
+static const gss_OID_desc GSS_API_KRB5_OID_PTR =
+ { 9, (void *)"\052\206\110\206\367\022\001\002\002" };
+
+/*
+ Kerberos Version 5 GSS-API Mechanism
+ Simple and Protected GSS-API Negotiation Mechanism
+ OID {1.3.6.1.5.5.2}
+ RFC https://tools.ietf.org/html/rfc4178
+*/
+static const gss_OID_desc GSS_API_SPNEGO_OID_PTR =
+ {6, (void *)"\x2b\x06\x01\x05\x05\x02"};
+
+static const std::string KRB_SERVICE_NAME("kerberos/gssapi");
+static const std::string GSS_API_SPNEGO_OID("{1.3.6.1.5.5.2}");
+static const std::string GSS_API_KRB5_OID("{1.2.840.113554.1.2.2}");
+
+enum class GSSAuthenticationRequest {
+ GSS_CRYPTO_ERR = 1,
+ GSS_MUTUAL = 0x100,
+ GSS_TOKEN = 0x200,
+ GSS_REQUEST_MASK = 0x0F00
+};
+
+enum class GSSKeyExchange {
+ USERAUTH_GSSAPI_RESPONSE = 70,
+ USERAUTH_GSSAPI_TOKEN,
+ USERAUTH_GSSAPI_EXCHANGE_COMPLETE,
+ USERAUTH_GSSAPI_ERROR,
+ USERAUTH_GSSAPI_ERRTOK,
+ USERAUTH_GSSAPI_MIC,
+};
+static constexpr auto CEPH_GSS_OIDTYPE(0x07);
+
+struct AuthAuthorizer;
+
+
+class KrbAuthorizer : public AuthAuthorizer {
+
+ public:
+ KrbAuthorizer() : AuthAuthorizer(CEPH_AUTH_GSS) { }
+ ~KrbAuthorizer() = default;
+ bool build_authorizer(const EntityName& entity_name,
+ const uint64_t guid) {
+ uint8_t value = (1);
+
+ using ceph::encode;
+ encode(value, bl, 0);
+ encode(entity_name, bl, 0);
+ encode(guid, bl, 0);
+ return false;
+ }
+
+ bool verify_reply(bufferlist::const_iterator& buff_list,
+ std::string *connection_secret) override {
+ return true;
+ }
+ bool add_challenge(CephContext* ceph_ctx,
+ const bufferlist& buff_list) override {
+ return true;
+ }
+};
+
+class KrbRequest {
+
+ public:
+ void decode(bufferlist::const_iterator& buff_list) {
+ using ceph::decode;
+ decode(m_request_type, buff_list);
+ }
+
+ void encode(bufferlist& buff_list) const {
+ using ceph::encode;
+ encode(m_request_type, buff_list);
+ }
+
+ uint16_t m_request_type;
+};
+WRITE_CLASS_ENCODER(KrbRequest);
+
+class KrbResponse {
+
+ public:
+ void decode(bufferlist::const_iterator& buff_list) {
+ using ceph::decode;
+ decode(m_response_type, buff_list);
+ }
+
+ void encode(bufferlist& buff_list) const {
+ using ceph::encode;
+ encode(m_response_type, buff_list);
+ }
+
+ uint16_t m_response_type;
+};
+WRITE_CLASS_ENCODER(KrbResponse);
+
+class KrbTokenBlob {
+
+ public:
+ void decode(bufferlist::const_iterator& buff_list) {
+ uint8_t value = (0);
+
+ using ceph::decode;
+ decode(value, buff_list);
+ decode(m_token_blob, buff_list);
+ }
+
+ void encode(bufferlist& buff_list) const {
+ uint8_t value = (1);
+
+ using ceph::encode;
+ encode(value, buff_list, 0);
+ encode(m_token_blob, buff_list, 0);
+ }
+
+ bufferlist m_token_blob;
+};
+WRITE_CLASS_ENCODER(KrbTokenBlob);
+
+
+std::string gss_auth_show_status(const OM_uint32 gss_major_status,
+ const OM_uint32 gss_minor_status);
+
+#endif //-- KRB_PROTOCOL_HPP
+