1 /*
2  *  Copyright (c) 2023, The OpenThread Authors.
3  *  All rights reserved.
4  *
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8  *     notice, this list of conditions and the following disclaimer.
9  *  2. Redistributions in binary form must reproduce the above copyright
10  *     notice, this list of conditions and the following disclaimer in the
11  *     documentation and/or other materials provided with the distribution.
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14  *     derived from this software without specific prior written permission.
15  *
16  *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
17  *  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18  *  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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27  */
28 
29 /**
30  * @file
31  *   This file implements the OpenThread BLE Secure API.
32  */
33 
34 #include "openthread-core-config.h"
35 
36 #if OPENTHREAD_CONFIG_BLE_TCAT_ENABLE
37 
38 #include <openthread/ble_secure.h>
39 #include <openthread/platform/ble.h>
40 
41 #include "common/as_core_type.hpp"
42 #include "common/code_utils.hpp"
43 #include "common/locator_getters.hpp"
44 #include "meshcop/tcat_agent.hpp"
45 #include "radio/ble_secure.hpp"
46 
47 using namespace ot;
48 
otBleSecureStart(otInstance * aInstance,otHandleBleSecureConnect aConnectHandler,otHandleBleSecureReceive aReceiveHandler,bool aTlvMode,void * aContext)49 otError otBleSecureStart(otInstance              *aInstance,
50                          otHandleBleSecureConnect aConnectHandler,
51                          otHandleBleSecureReceive aReceiveHandler,
52                          bool                     aTlvMode,
53                          void                    *aContext)
54 {
55     return AsCoreType(aInstance).Get<Ble::BleSecure>().Start(aConnectHandler, aReceiveHandler, aTlvMode, aContext);
56 }
57 
otBleSecureTcatStart(otInstance * aInstance,const otTcatVendorInfo * aVendorInfo,otHandleTcatJoin aHandler)58 otError otBleSecureTcatStart(otInstance *aInstance, const otTcatVendorInfo *aVendorInfo, otHandleTcatJoin aHandler)
59 {
60     return AsCoreType(aInstance).Get<Ble::BleSecure>().TcatStart(AsCoreType(aVendorInfo), aHandler);
61 }
62 
otBleSecureStop(otInstance * aInstance)63 void otBleSecureStop(otInstance *aInstance) { AsCoreType(aInstance).Get<Ble::BleSecure>().Stop(); }
64 
65 #ifdef MBEDTLS_KEY_EXCHANGE_PSK_ENABLED
otBleSecureSetPsk(otInstance * aInstance,const uint8_t * aPsk,uint16_t aPskLength,const uint8_t * aPskIdentity,uint16_t aPskIdLength)66 void otBleSecureSetPsk(otInstance    *aInstance,
67                        const uint8_t *aPsk,
68                        uint16_t       aPskLength,
69                        const uint8_t *aPskIdentity,
70                        uint16_t       aPskIdLength)
71 {
72     AssertPointerIsNotNull(aPsk);
73     AssertPointerIsNotNull(aPskIdentity);
74     OT_ASSERT(aPskLength != 0 && aPskIdLength != 0);
75 
76     AsCoreType(aInstance).Get<Ble::BleSecure>().SetPreSharedKey(aPsk, aPskLength, aPskIdentity, aPskIdLength);
77 }
78 #endif // MBEDTLS_KEY_EXCHANGE_PSK_ENABLED
79 
80 #if defined(MBEDTLS_BASE64_C) && defined(MBEDTLS_SSL_KEEP_PEER_CERTIFICATE)
otBleSecureGetPeerCertificateBase64(otInstance * aInstance,unsigned char * aPeerCert,size_t * aCertLength)81 otError otBleSecureGetPeerCertificateBase64(otInstance *aInstance, unsigned char *aPeerCert, size_t *aCertLength)
82 {
83     return AsCoreType(aInstance).Get<Ble::BleSecure>().GetPeerCertificateBase64(aPeerCert, aCertLength);
84 }
85 #endif // defined(MBEDTLS_BASE64_C) && defined(MBEDTLS_SSL_KEEP_PEER_CERTIFICATE)
86 
87 #if defined(MBEDTLS_SSL_KEEP_PEER_CERTIFICATE)
otBleSecureGetPeerSubjectAttributeByOid(otInstance * aInstance,const char * aOid,size_t aOidLength,uint8_t * aAttributeBuffer,size_t * aAttributeLength,int * aAsn1Type)88 otError otBleSecureGetPeerSubjectAttributeByOid(otInstance *aInstance,
89                                                 const char *aOid,
90                                                 size_t      aOidLength,
91                                                 uint8_t    *aAttributeBuffer,
92                                                 size_t     *aAttributeLength,
93                                                 int        *aAsn1Type)
94 {
95     return AsCoreType(aInstance).Get<Ble::BleSecure>().GetPeerSubjectAttributeByOid(aOid, aOidLength, aAttributeBuffer,
96                                                                                     aAttributeLength, aAsn1Type);
97 }
98 
otBleSecureGetThreadAttributeFromPeerCertificate(otInstance * aInstance,int aThreadOidDescriptor,uint8_t * aAttributeBuffer,size_t * aAttributeLength)99 otError otBleSecureGetThreadAttributeFromPeerCertificate(otInstance *aInstance,
100                                                          int         aThreadOidDescriptor,
101                                                          uint8_t    *aAttributeBuffer,
102                                                          size_t     *aAttributeLength)
103 {
104     return AsCoreType(aInstance).Get<Ble::BleSecure>().GetThreadAttributeFromPeerCertificate(
105         aThreadOidDescriptor, aAttributeBuffer, aAttributeLength);
106 }
107 #endif // defined(MBEDTLS_SSL_KEEP_PEER_CERTIFICATE)
108 
otBleSecureGetThreadAttributeFromOwnCertificate(otInstance * aInstance,int aThreadOidDescriptor,uint8_t * aAttributeBuffer,size_t * aAttributeLength)109 otError otBleSecureGetThreadAttributeFromOwnCertificate(otInstance *aInstance,
110                                                         int         aThreadOidDescriptor,
111                                                         uint8_t    *aAttributeBuffer,
112                                                         size_t     *aAttributeLength)
113 {
114     return AsCoreType(aInstance).Get<Ble::BleSecure>().GetThreadAttributeFromOwnCertificate(
115         aThreadOidDescriptor, aAttributeBuffer, aAttributeLength);
116 }
117 
otBleSecureSetSslAuthMode(otInstance * aInstance,bool aVerifyPeerCertificate)118 void otBleSecureSetSslAuthMode(otInstance *aInstance, bool aVerifyPeerCertificate)
119 {
120     AsCoreType(aInstance).Get<Ble::BleSecure>().SetSslAuthMode(aVerifyPeerCertificate);
121 }
122 
123 #ifdef MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED
otBleSecureSetCertificate(otInstance * aInstance,const uint8_t * aX509Cert,uint32_t aX509Length,const uint8_t * aPrivateKey,uint32_t aPrivateKeyLength)124 void otBleSecureSetCertificate(otInstance    *aInstance,
125                                const uint8_t *aX509Cert,
126                                uint32_t       aX509Length,
127                                const uint8_t *aPrivateKey,
128                                uint32_t       aPrivateKeyLength)
129 {
130     OT_ASSERT(aX509Cert != nullptr && aX509Length != 0 && aPrivateKey != nullptr && aPrivateKeyLength != 0);
131 
132     AsCoreType(aInstance).Get<Ble::BleSecure>().SetCertificate(aX509Cert, aX509Length, aPrivateKey, aPrivateKeyLength);
133 }
134 
otBleSecureSetCaCertificateChain(otInstance * aInstance,const uint8_t * aX509CaCertificateChain,uint32_t aX509CaCertChainLength)135 void otBleSecureSetCaCertificateChain(otInstance    *aInstance,
136                                       const uint8_t *aX509CaCertificateChain,
137                                       uint32_t       aX509CaCertChainLength)
138 {
139     OT_ASSERT(aX509CaCertificateChain != nullptr && aX509CaCertChainLength != 0);
140 
141     AsCoreType(aInstance).Get<Ble::BleSecure>().SetCaCertificateChain(aX509CaCertificateChain, aX509CaCertChainLength);
142 }
143 #endif // MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED
144 
otBleSecureConnect(otInstance * aInstance)145 otError otBleSecureConnect(otInstance *aInstance) { return AsCoreType(aInstance).Get<Ble::BleSecure>().Connect(); }
146 
otBleSecureDisconnect(otInstance * aInstance)147 void otBleSecureDisconnect(otInstance *aInstance) { AsCoreType(aInstance).Get<Ble::BleSecure>().Disconnect(); }
148 
otBleSecureIsConnectionActive(otInstance * aInstance)149 bool otBleSecureIsConnectionActive(otInstance *aInstance)
150 {
151     return AsCoreType(aInstance).Get<Ble::BleSecure>().IsConnectionActive();
152 }
153 
otBleSecureIsConnected(otInstance * aInstance)154 bool otBleSecureIsConnected(otInstance *aInstance) { return AsCoreType(aInstance).Get<Ble::BleSecure>().IsConnected(); }
155 
otBleSecureIsTcatEnabled(otInstance * aInstance)156 bool otBleSecureIsTcatEnabled(otInstance *aInstance)
157 {
158     return AsCoreType(aInstance).Get<Ble::BleSecure>().IsTcatEnabled();
159 }
160 
otBleSecureIsCommandClassAuthorized(otInstance * aInstance,otTcatCommandClass aCommandClass)161 bool otBleSecureIsCommandClassAuthorized(otInstance *aInstance, otTcatCommandClass aCommandClass)
162 {
163     return AsCoreType(aInstance).Get<Ble::BleSecure>().IsCommandClassAuthorized(
164         static_cast<Ble::BleSecure::CommandClass>(aCommandClass));
165 }
166 
otBleSecureSendMessage(otInstance * aInstance,otMessage * aMessage)167 otError otBleSecureSendMessage(otInstance *aInstance, otMessage *aMessage)
168 {
169     return AsCoreType(aInstance).Get<Ble::BleSecure>().SendMessage(AsCoreType(aMessage));
170 }
171 
otBleSecureSend(otInstance * aInstance,uint8_t * aBuf,uint16_t aLength)172 otError otBleSecureSend(otInstance *aInstance, uint8_t *aBuf, uint16_t aLength)
173 {
174     return AsCoreType(aInstance).Get<Ble::BleSecure>().Send(aBuf, aLength);
175 }
176 
otBleSecureSendApplicationTlv(otInstance * aInstance,uint8_t * aBuf,uint16_t aLength)177 otError otBleSecureSendApplicationTlv(otInstance *aInstance, uint8_t *aBuf, uint16_t aLength)
178 {
179     return AsCoreType(aInstance).Get<Ble::BleSecure>().SendApplicationTlv(aBuf, aLength);
180 }
181 
otBleSecureFlush(otInstance * aInstance)182 otError otBleSecureFlush(otInstance *aInstance) { return AsCoreType(aInstance).Get<Ble::BleSecure>().Flush(); }
183 
184 #endif // OPENTHREAD_CONFIG_BLE_TCAT_ENABLE
185