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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:45:59 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:45:59 +0000 |
commit | 19fcec84d8d7d21e796c7624e521b60d28ee21ed (patch) | |
tree | 42d26aa27d1e3f7c0b8bd3fd14e7d7082f5008dc /src/auth/krb/KrbProtocol.hpp | |
parent | Initial commit. (diff) | |
download | ceph-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.hpp | 160 |
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 + |