1 /******************************************************************************
2  *
3  *  Copyright 2020  NXP
4  *
5  *  Licensed under the Apache License, Version 2.0 (the "License");
6  *  you may not use this file except in compliance with the License.
7  *  You may obtain a copy of the License at
8  *
9  *  http://www.apache.org/licenses/LICENSE-2.0
10  *
11  *  Unless required by applicable law or agreed to in writing, software
12  *  distributed under the License is distributed on an "AS IS" BASIS,
13  *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14  *  See the License for the specific language governing permissions and
15  *  limitations under the License.
16  *
17  ******************************************************************************/
18 #ifndef ANDROID_HARDWARE_SECURE_ELEMENT_V1_2_SECUREELEMENT_H
19 #define ANDROID_HARDWARE_SECURE_ELEMENT_V1_2_SECUREELEMENT_H
20 
21 #include <SyncEvent.h>
22 #include <android-base/stringprintf.h>
23 #include <android/hardware/secure_element/1.0/types.h>
24 #include <android/hardware/secure_element/1.2/ISecureElement.h>
25 #include <hardware/hardware.h>
26 #include <hidl/MQDescriptor.h>
27 #include <hidl/Status.h>
28 #include <pthread.h>
29 #include "OsuHalExtn.h"
30 #include "phNxpEse_Api.h"
31 
32 class ThreadMutex {
33  public:
34   ThreadMutex();
35   virtual ~ThreadMutex();
36   void lock();
37   void unlock();
38   operator pthread_mutex_t*() { return &mMutex; }
39 
40  private:
41   pthread_mutex_t mMutex;
42 };
43 
44 class AutoThreadMutex {
45  public:
46   AutoThreadMutex(ThreadMutex& m);
47   virtual ~AutoThreadMutex();
48   operator ThreadMutex&() { return mm; }
49   operator pthread_mutex_t*() { return (pthread_mutex_t*)mm; }
50 
51  private:
52   ThreadMutex& mm;
53 };
54 
55 namespace android {
56 namespace hardware {
57 namespace secure_element {
58 namespace V1_2 {
59 namespace implementation {
60 
61 using ::android::sp;
62 using android::base::StringPrintf;
63 using ::android::hardware::hidl_array;
64 using ::android::hardware::hidl_memory;
65 using ::android::hardware::hidl_string;
66 using ::android::hardware::hidl_vec;
67 using ::android::hardware::Return;
68 using ::android::hardware::Void;
69 using ::android::hardware::secure_element::V1_0::LogicalChannelResponse;
70 using ::android::hardware::secure_element::V1_0::SecureElementStatus;
71 using ::android::hardware::secure_element::V1_2::ISecureElement;
72 using ::android::hidl::base::V1_0::IBase;
73 
74 #ifndef MIN_APDU_LENGTH
75 #define MIN_APDU_LENGTH 0x04
76 #endif
77 #ifndef DEFAULT_BASIC_CHANNEL
78 #define DEFAULT_BASIC_CHANNEL 0x00
79 #endif
80 
81 struct SecureElement : public V1_2::ISecureElement,
82                        public hidl_death_recipient {
83   SecureElement();
84   Return<void> init(
85       const sp<
86           ::android::hardware::secure_element::V1_0::ISecureElementHalCallback>&
87           clientCallback) override;
88   Return<void> init_1_1(
89       const sp<
90           ::android::hardware::secure_element::V1_1::ISecureElementHalCallback>&
91           clientCallback) override;
92   Return<void> getAtr(getAtr_cb _hidl_cb) override;
93   Return<bool> isCardPresent() override;
94   Return<void> transmit(const hidl_vec<uint8_t>& data,
95                         transmit_cb _hidl_cb) override;
96   Return<void> openLogicalChannel(const hidl_vec<uint8_t>& aid, uint8_t p2,
97                                   openLogicalChannel_cb _hidl_cb) override;
98   Return<void> openBasicChannel(const hidl_vec<uint8_t>& aid, uint8_t p2,
99                                 openBasicChannel_cb _hidl_cb) override;
100   Return<SecureElementStatus> closeChannel(uint8_t channelNumber) override;
101 
102   void serviceDied(uint64_t /*cookie*/, const wp<IBase>& /*who*/);
103 
104   static void NotifySeWaitExtension(phNxpEse_wtxState state);
105   Return<::android::hardware::secure_element::V1_0::SecureElementStatus>
106   reset();
107 
108  private:
109   uint8_t mMaxChannelCount;
110   uint8_t mOpenedchannelCount = 0;
111   Mutex seHalLock;
112   bool mIsEseInitialized = false;
113   static std::vector<bool> mOpenedChannels;
114   static sp<V1_0::ISecureElementHalCallback> mCallbackV1_0;
115   static sp<V1_1::ISecureElementHalCallback> mCallbackV1_1;
116   Return<SecureElementStatus> seHalDeInit();
117   ESESTATUS seHalInit();
118   Return<SecureElementStatus> internalCloseChannel(uint8_t channelNumber);
119 };
120 
121 }  // namespace implementation
122 }  // namespace V1_2
123 }  // namespace secure_element
124 }  // namespace hardware
125 }  // namespace android
126 
127 #endif  // ANDROID_HARDWARE_SECURE_ELEMENT_V1_1_SECUREELEMENT_H
128