trusted_time.cpp 3.1 KB

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  1. /*
  2. * Copyright (C) 2011-2017 Intel Corporation. All rights reserved.
  3. *
  4. * Redistribution and use in source and binary forms, with or without
  5. * modification, are permitted provided that the following conditions
  6. * are met:
  7. *
  8. * * Redistributions of source code must retain the above copyright
  9. * notice, this list of conditions and the following disclaimer.
  10. * * Redistributions in binary form must reproduce the above copyright
  11. * notice, this list of conditions and the following disclaimer in
  12. * the documentation and/or other materials provided with the
  13. * distribution.
  14. * * Neither the name of Intel Corporation nor the names of its
  15. * contributors may be used to endorse or promote products derived
  16. * from this software without specific prior written permission.
  17. *
  18. * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  19. * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  20. * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  21. * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  22. * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  23. * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  24. * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  25. * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  26. * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  27. * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  28. * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  29. *
  30. */
  31. #include "session_mgr.h"
  32. #include "byte_order.h"
  33. #include "psda_service.h"
  34. #include "util.h"
  35. static pse_op_error_t handle_trusted_time_errors(const pse_op_error_t op_error, pse_service_resp_status_t* status)
  36. {
  37. switch(op_error)
  38. {
  39. case OP_SUCCESS:
  40. /* SUCCESS */
  41. *status = PSE_SUCCESS;
  42. return OP_SUCCESS;
  43. case OP_ERROR_CAP_NOT_AVAILABLE:
  44. *status = PSE_ERROR_CAP_NOT_AVAILABLE;
  45. return OP_SUCCESS;
  46. case OP_ERROR_PSDA_BUSY:
  47. *status = PSE_ERROR_BUSY;
  48. return OP_SUCCESS;
  49. // --- errors cannot be translated to status code
  50. case OP_ERROR_INVALID_EPH_SESSION:
  51. case OP_ERROR_PSDA_SESSION_LOST:
  52. return op_error; // should not be translated to status code
  53. // --- end
  54. default:
  55. // OP_ERROR_INTERNAL
  56. // OP_ERROR_INVALID_PARAMETER
  57. // OP_ERROR_MALLOC
  58. // OP_ERROR_UNKNOWN_REQUEST
  59. *status = PSE_ERROR_INTERNAL;
  60. return OP_SUCCESS;
  61. }
  62. }
  63. // call PSDA service to get trusted time
  64. pse_op_error_t pse_read_timer(
  65. const isv_attributes_t &owner_attributes,
  66. const uint8_t* req_msg,
  67. uint8_t* resp_msg)
  68. {
  69. UNUSED(req_msg);
  70. pse_op_error_t ret;
  71. pse_timer_read_resp_t* timer_resp = (pse_timer_read_resp_t*)resp_msg;
  72. // call psda service to set output value
  73. ret = psda_read_timer(owner_attributes,
  74. &timer_resp->timestamp,
  75. timer_resp->time_source_nonce);
  76. return handle_trusted_time_errors(ret, &timer_resp->resp_hdr.status);
  77. }