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btle/btle_security.cpp@148:a67b1b776aab, 2015-05-08 (annotated)
- Committer:
- rgrover1
- Date:
- Fri May 08 15:33:57 2015 +0100
- Revision:
- 148:a67b1b776aab
- Parent:
- 147:457a129dfa5e
- Child:
- 150:44c40836c82f
Synchronized with git rev 5dafff52
Author: Rohit Grover
fixed implementation for getLinkSecurity().
needed filling in of application instance.
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
rgrover1 | 133:74079098b3c9 | 1 | /* mbed Microcontroller Library |
rgrover1 | 133:74079098b3c9 | 2 | * Copyright (c) 2006-2013 ARM Limited |
rgrover1 | 133:74079098b3c9 | 3 | * |
rgrover1 | 133:74079098b3c9 | 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
rgrover1 | 133:74079098b3c9 | 5 | * you may not use this file except in compliance with the License. |
rgrover1 | 133:74079098b3c9 | 6 | * You may obtain a copy of the License at |
rgrover1 | 133:74079098b3c9 | 7 | * |
rgrover1 | 133:74079098b3c9 | 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
rgrover1 | 133:74079098b3c9 | 9 | * |
rgrover1 | 133:74079098b3c9 | 10 | * Unless required by applicable law or agreed to in writing, software |
rgrover1 | 133:74079098b3c9 | 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
rgrover1 | 133:74079098b3c9 | 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
rgrover1 | 133:74079098b3c9 | 13 | * See the License for the specific language governing permissions and |
rgrover1 | 133:74079098b3c9 | 14 | * limitations under the License. |
rgrover1 | 133:74079098b3c9 | 15 | */ |
rgrover1 | 133:74079098b3c9 | 16 | |
rgrover1 | 133:74079098b3c9 | 17 | #include "btle.h" |
rgrover1 | 133:74079098b3c9 | 18 | #include "pstorage.h" |
rgrover1 | 133:74079098b3c9 | 19 | #include "nRF51Gap.h" |
rgrover1 | 133:74079098b3c9 | 20 | #include "device_manager.h" |
rgrover1 | 134:df7e7964a9c3 | 21 | #include "btle_security.h" |
rgrover1 | 133:74079098b3c9 | 22 | |
rgrover1 | 147:457a129dfa5e | 23 | static dm_application_instance_t applicationInstance; |
rgrover1 | 133:74079098b3c9 | 24 | static ret_code_t dm_handler(dm_handle_t const *p_handle, dm_event_t const *p_event, ret_code_t event_result); |
rgrover1 | 133:74079098b3c9 | 25 | |
rgrover1 | 133:74079098b3c9 | 26 | ble_error_t |
rgrover1 | 133:74079098b3c9 | 27 | btle_initializeSecurity() |
rgrover1 | 133:74079098b3c9 | 28 | { |
rgrover1 | 144:9d8fce4b4d5a | 29 | /* guard against multiple initializations */ |
rgrover1 | 144:9d8fce4b4d5a | 30 | static bool initialized = false; |
rgrover1 | 144:9d8fce4b4d5a | 31 | if (initialized) { |
rgrover1 | 144:9d8fce4b4d5a | 32 | return BLE_ERROR_NONE; |
rgrover1 | 144:9d8fce4b4d5a | 33 | } |
rgrover1 | 144:9d8fce4b4d5a | 34 | |
rgrover1 | 133:74079098b3c9 | 35 | if (pstorage_init() != NRF_SUCCESS) { |
rgrover1 | 133:74079098b3c9 | 36 | return BLE_ERROR_UNSPECIFIED; |
rgrover1 | 133:74079098b3c9 | 37 | } |
rgrover1 | 133:74079098b3c9 | 38 | |
rgrover1 | 133:74079098b3c9 | 39 | dm_init_param_t dm_init_param = { |
rgrover1 | 133:74079098b3c9 | 40 | .clear_persistent_data = false /* Set to true in case the module should clear all persistent data. */ |
rgrover1 | 133:74079098b3c9 | 41 | }; |
rgrover1 | 133:74079098b3c9 | 42 | if (dm_init(&dm_init_param) != NRF_SUCCESS) { |
rgrover1 | 133:74079098b3c9 | 43 | return BLE_ERROR_UNSPECIFIED; |
rgrover1 | 133:74079098b3c9 | 44 | } |
rgrover1 | 133:74079098b3c9 | 45 | |
rgrover1 | 133:74079098b3c9 | 46 | const dm_application_param_t dm_param = { |
rgrover1 | 133:74079098b3c9 | 47 | .evt_handler = dm_handler, |
rgrover1 | 133:74079098b3c9 | 48 | .service_type = DM_PROTOCOL_CNTXT_GATT_CLI_ID, |
rgrover1 | 133:74079098b3c9 | 49 | .sec_param = { |
rgrover1 | 133:74079098b3c9 | 50 | .bond = 1, /**< Perform bonding. */ |
rgrover1 | 133:74079098b3c9 | 51 | .mitm = 1, /**< Man In The Middle protection required. */ |
rgrover1 | 133:74079098b3c9 | 52 | .io_caps = BLE_GAP_IO_CAPS_NONE, /**< IO capabilities, see @ref BLE_GAP_IO_CAPS. */ |
rgrover1 | 133:74079098b3c9 | 53 | .oob = 0, /**< Out Of Band data available. */ |
rgrover1 | 133:74079098b3c9 | 54 | .min_key_size = 16, /**< Minimum encryption key size in octets between 7 and 16. If 0 then not applicable in this instance. */ |
rgrover1 | 133:74079098b3c9 | 55 | .max_key_size = 16, /**< Maximum encryption key size in octets between min_key_size and 16. */ |
rgrover1 | 133:74079098b3c9 | 56 | .kdist_periph = { |
rgrover1 | 133:74079098b3c9 | 57 | .enc = 1, /**< Long Term Key and Master Identification. */ |
rgrover1 | 133:74079098b3c9 | 58 | .id = 1, /**< Identity Resolving Key and Identity Address Information. */ |
rgrover1 | 133:74079098b3c9 | 59 | .sign = 1, /**< Connection Signature Resolving Key. */ |
rgrover1 | 133:74079098b3c9 | 60 | }, /**< Key distribution bitmap: keys that the peripheral device will distribute. */ |
rgrover1 | 133:74079098b3c9 | 61 | } |
rgrover1 | 133:74079098b3c9 | 62 | }; |
rgrover1 | 133:74079098b3c9 | 63 | |
rgrover1 | 133:74079098b3c9 | 64 | ret_code_t rc; |
rgrover1 | 143:9d73e7f9f2bf | 65 | if ((rc = dm_register(&applicationInstance, &dm_param)) != NRF_SUCCESS) { |
rgrover1 | 143:9d73e7f9f2bf | 66 | switch (rc) { |
rgrover1 | 143:9d73e7f9f2bf | 67 | case NRF_ERROR_INVALID_STATE: |
rgrover1 | 143:9d73e7f9f2bf | 68 | return BLE_ERROR_INVALID_STATE; |
rgrover1 | 143:9d73e7f9f2bf | 69 | case NRF_ERROR_NO_MEM: |
rgrover1 | 143:9d73e7f9f2bf | 70 | return BLE_ERROR_NO_MEM; |
rgrover1 | 143:9d73e7f9f2bf | 71 | default: |
rgrover1 | 143:9d73e7f9f2bf | 72 | return BLE_ERROR_UNSPECIFIED; |
rgrover1 | 143:9d73e7f9f2bf | 73 | } |
rgrover1 | 133:74079098b3c9 | 74 | } |
rgrover1 | 133:74079098b3c9 | 75 | |
rgrover1 | 144:9d8fce4b4d5a | 76 | initialized = true; |
rgrover1 | 143:9d73e7f9f2bf | 77 | return BLE_ERROR_NONE; |
rgrover1 | 136:9bb49953de6a | 78 | } |
rgrover1 | 136:9bb49953de6a | 79 | |
rgrover1 | 136:9bb49953de6a | 80 | ble_error_t |
rgrover1 | 140:3a5282e3f30c | 81 | btle_purgeAllBondingState(void) |
rgrover1 | 136:9bb49953de6a | 82 | { |
rgrover1 | 136:9bb49953de6a | 83 | ret_code_t rc; |
rgrover1 | 137:aafab7b0a8bd | 84 | if ((rc = dm_device_delete_all(&applicationInstance)) == NRF_SUCCESS) { |
rgrover1 | 137:aafab7b0a8bd | 85 | return BLE_ERROR_NONE; |
rgrover1 | 137:aafab7b0a8bd | 86 | } |
rgrover1 | 136:9bb49953de6a | 87 | |
rgrover1 | 137:aafab7b0a8bd | 88 | switch (rc) { |
rgrover1 | 137:aafab7b0a8bd | 89 | case NRF_ERROR_INVALID_STATE: |
rgrover1 | 137:aafab7b0a8bd | 90 | return BLE_ERROR_INVALID_STATE; |
rgrover1 | 137:aafab7b0a8bd | 91 | case NRF_ERROR_NO_MEM: |
rgrover1 | 137:aafab7b0a8bd | 92 | return BLE_ERROR_NO_MEM; |
rgrover1 | 137:aafab7b0a8bd | 93 | default: |
rgrover1 | 137:aafab7b0a8bd | 94 | return BLE_ERROR_UNSPECIFIED; |
rgrover1 | 137:aafab7b0a8bd | 95 | } |
rgrover1 | 133:74079098b3c9 | 96 | } |
rgrover1 | 133:74079098b3c9 | 97 | |
rgrover1 | 138:750eca573e18 | 98 | ble_error_t |
rgrover1 | 138:750eca573e18 | 99 | btle_getLinkSecurity(Gap::Handle_t connectionHandle, Gap::LinkSecurityStatus_t *securityStatusP) |
rgrover1 | 138:750eca573e18 | 100 | { |
rgrover1 | 141:586e146a3903 | 101 | ret_code_t rc; |
rgrover1 | 148:a67b1b776aab | 102 | dm_handle_t dmHandle = { |
rgrover1 | 148:a67b1b776aab | 103 | .appl_id = applicationInstance, |
rgrover1 | 148:a67b1b776aab | 104 | }; |
rgrover1 | 138:750eca573e18 | 105 | if ((rc = dm_handle_get(connectionHandle, &dmHandle)) != NRF_SUCCESS) { |
rgrover1 | 138:750eca573e18 | 106 | if (rc == NRF_ERROR_NOT_FOUND) { |
rgrover1 | 138:750eca573e18 | 107 | return BLE_ERROR_INVALID_PARAM; |
rgrover1 | 138:750eca573e18 | 108 | } else { |
rgrover1 | 138:750eca573e18 | 109 | return BLE_ERROR_UNSPECIFIED; |
rgrover1 | 138:750eca573e18 | 110 | } |
rgrover1 | 138:750eca573e18 | 111 | } |
rgrover1 | 138:750eca573e18 | 112 | |
rgrover1 | 138:750eca573e18 | 113 | if ((rc = dm_security_status_req(&dmHandle, reinterpret_cast<dm_security_status_t *>(securityStatusP))) != NRF_SUCCESS) { |
rgrover1 | 138:750eca573e18 | 114 | switch (rc) { |
rgrover1 | 138:750eca573e18 | 115 | case NRF_ERROR_INVALID_STATE: |
rgrover1 | 138:750eca573e18 | 116 | return BLE_ERROR_INVALID_STATE; |
rgrover1 | 138:750eca573e18 | 117 | case NRF_ERROR_NO_MEM: |
rgrover1 | 138:750eca573e18 | 118 | return BLE_ERROR_NO_MEM; |
rgrover1 | 138:750eca573e18 | 119 | default: |
rgrover1 | 138:750eca573e18 | 120 | return BLE_ERROR_UNSPECIFIED; |
rgrover1 | 138:750eca573e18 | 121 | } |
rgrover1 | 138:750eca573e18 | 122 | } |
rgrover1 | 138:750eca573e18 | 123 | |
rgrover1 | 138:750eca573e18 | 124 | return BLE_ERROR_NONE; |
rgrover1 | 138:750eca573e18 | 125 | } |
rgrover1 | 138:750eca573e18 | 126 | |
rgrover1 | 133:74079098b3c9 | 127 | ret_code_t |
rgrover1 | 133:74079098b3c9 | 128 | dm_handler(dm_handle_t const *p_handle, dm_event_t const *p_event, ret_code_t event_result) |
rgrover1 | 133:74079098b3c9 | 129 | { |
rgrover1 | 133:74079098b3c9 | 130 | switch (p_event->event_id) { |
rgrover1 | 133:74079098b3c9 | 131 | case DM_EVT_SECURITY_SETUP: /* started */ |
rgrover1 | 133:74079098b3c9 | 132 | nRF51Gap::getInstance().processSecuritySetupStartedEvent(p_event->event_param.p_gap_param->conn_handle); |
rgrover1 | 133:74079098b3c9 | 133 | break; |
rgrover1 | 133:74079098b3c9 | 134 | case DM_EVT_SECURITY_SETUP_COMPLETE: |
rgrover1 | 133:74079098b3c9 | 135 | nRF51Gap::getInstance().processSecuritySetupCompletedEvent(p_event->event_param.p_gap_param->conn_handle); |
rgrover1 | 133:74079098b3c9 | 136 | break; |
rgrover1 | 133:74079098b3c9 | 137 | case DM_EVT_LINK_SECURED: |
rgrover1 | 133:74079098b3c9 | 138 | nRF51Gap::getInstance().processLinkSecuredEvent(p_event->event_param.p_gap_param->conn_handle); |
rgrover1 | 133:74079098b3c9 | 139 | break; |
rgrover1 | 133:74079098b3c9 | 140 | case DM_EVT_DEVICE_CONTEXT_STORED: |
rgrover1 | 133:74079098b3c9 | 141 | nRF51Gap::getInstance().processSecurityContextStoredEvent(p_event->event_param.p_gap_param->conn_handle); |
rgrover1 | 133:74079098b3c9 | 142 | break; |
rgrover1 | 133:74079098b3c9 | 143 | default: |
rgrover1 | 133:74079098b3c9 | 144 | break; |
rgrover1 | 133:74079098b3c9 | 145 | } |
rgrover1 | 133:74079098b3c9 | 146 | |
rgrover1 | 133:74079098b3c9 | 147 | return NRF_SUCCESS; |
rgrover1 | 133:74079098b3c9 | 148 | } |