remove ceph code

[stor4nfv.git] / src / ceph / src / auth / cephx / CephxSessionHandler.cc

diff --git a/src/ceph/src/auth/cephx/CephxSessionHandler.cc b/src/ceph/src/auth/cephx/CephxSessionHandler.cc
deleted file mode 100644 (file)
index 5694a22..0000000
--- a/src/ceph/src/auth/cephx/CephxSessionHandler.cc
+++ /dev/null
@@ -1,128 +0,0 @@
-// -*- 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) 2004-2009 Sage Weil <sage@newdream.net>
- *
- * 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.
- * 
- */
-
-#include "CephxSessionHandler.h"
-#include "CephxProtocol.h"
-
-#include <errno.h>
-#include <sstream>
-
-#include "common/config.h"
-#include "include/ceph_features.h"
-#include "msg/Message.h"
- 
-#define dout_subsys ceph_subsys_auth
-
-int CephxSessionHandler::_calc_signature(Message *m, uint64_t *psig)
-{
-  const ceph_msg_header& header = m->get_header();
-  const ceph_msg_footer& footer = m->get_footer();
-
-  // optimized signature calculation
-  // - avoid temporary allocated buffers from encode_encrypt[_enc_bl]
-  // - skip the leading 4 byte wrapper from encode_encrypt
-  struct {
-    __u8 v;
-    __le64 magic;
-    __le32 len;
-    __le32 header_crc;
-    __le32 front_crc;
-    __le32 middle_crc;
-    __le32 data_crc;
-  } __attribute__ ((packed)) sigblock = {
-    1, mswab(AUTH_ENC_MAGIC), mswab<uint32_t>(4*4),
-    mswab<uint32_t>(header.crc), mswab<uint32_t>(footer.front_crc),
-    mswab<uint32_t>(footer.middle_crc), mswab<uint32_t>(footer.data_crc)
-  };
-  bufferlist bl_plaintext;
-  bl_plaintext.append(buffer::create_static(sizeof(sigblock), (char*)&sigblock));
-
-  bufferlist bl_ciphertext;
-  if (key.encrypt(cct, bl_plaintext, bl_ciphertext, NULL) < 0) {
-    lderr(cct) << __func__ << " failed to encrypt signature block" << dendl;
-    return -1;
-  }
-
-  bufferlist::iterator ci = bl_ciphertext.begin();
-  ::decode(*psig, ci);
-
-  ldout(cct, 10) << __func__ << " seq " << m->get_seq()
-                << " front_crc_ = " << footer.front_crc
-                << " middle_crc = " << footer.middle_crc
-                << " data_crc = " << footer.data_crc
-                << " sig = " << *psig
-                << dendl;
-  return 0;
-}
-
-int CephxSessionHandler::sign_message(Message *m)
-{
-  // If runtime signing option is off, just return success without signing.
-  if (!cct->_conf->cephx_sign_messages) {
-    return 0;
-  }
-
-  uint64_t sig;
-  int r = _calc_signature(m, &sig);
-  if (r < 0)
-    return r;
-
-  ceph_msg_footer& f = m->get_footer();
-  f.sig = sig;
-  f.flags = (unsigned)f.flags | CEPH_MSG_FOOTER_SIGNED;
-  ldout(cct, 20) << "Putting signature in client message(seq # " << m->get_seq()
-                << "): sig = " << sig << dendl;
-  return 0;
-}
-
-int CephxSessionHandler::check_message_signature(Message *m)
-{
-  // If runtime signing option is off, just return success without checking signature.
-  if (!cct->_conf->cephx_sign_messages) {
-    return 0;
-  }
-  if ((features & CEPH_FEATURE_MSG_AUTH) == 0) {
-    // it's fine, we didn't negotiate this feature.
-    return 0;
-  }
-
-  uint64_t sig;
-  int r = _calc_signature(m, &sig);
-  if (r < 0)
-    return r;
-
-  if (sig != m->get_footer().sig) {
-    // Should have been signed, but signature check failed.  PLR
-    if (!(m->get_footer().flags & CEPH_MSG_FOOTER_SIGNED)) {
-      ldout(cct, 0) << "SIGN: MSG " << m->get_seq() << " Sender did not set CEPH_MSG_FOOTER_SIGNED." << dendl;
-    }
-    ldout(cct, 0) << "SIGN: MSG " << m->get_seq() << " Message signature does not match contents." << dendl;
-    ldout(cct, 0) << "SIGN: MSG " << m->get_seq() << "Signature on message:" << dendl;
-    ldout(cct, 0) << "SIGN: MSG " << m->get_seq() << "    sig: " << m->get_footer().sig << dendl;
-    ldout(cct, 0) << "SIGN: MSG " << m->get_seq() << "Locally calculated signature:" << dendl;
-    ldout(cct, 0) << "SIGN: MSG " << m->get_seq() << "    sig_check:" << sig << dendl;
-
-    // For the moment, printing an error message to the log and
-    // returning failure is sufficient.  In the long term, we should
-    // probably have code parsing the log looking for this kind of
-    // security failure, particularly when there are large numbers of
-    // them, since the latter is a potential sign of an attack.  PLR
-
-    ldout(cct, 0) << "Signature failed." << dendl;
-    return (SESSION_SIGNATURE_FAILURE);
-  }
-
-  return 0;
-}
-