1 /******************************************************************************
2  *
3  *  Copyright 2023 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 #include <aidl/android/hardware/nfc/INfc.h>
19 #include <android/binder_manager.h>
20 #include <android/binder_process.h>
21 #include <android/hardware/nfc/1.2/INfc.h>
22 
23 #include "SecureElement.h"
24 #include "VirtualISO.h"
25 #include "phNxpConfig.h"
26 
27 #define MAX_NFC_GET_RETRY 30
28 #define NFC_GET_SERVICE_DELAY_MS 100
29 #define TERMINAL_LEN 5
30 #define NAME_NXP_SPI_SE_TERMINAL_NUM "NXP_SPI_SE_TERMINAL_NUM"
31 #define NAME_NXP_VISO_SE_TERMINAL_NUM "NXP_VISO_SE_TERMINAL_NUM"
32 
33 using INfc = android::hardware::nfc::V1_2::INfc;
34 using INfcAidl = ::aidl::android::hardware::nfc::INfc;
35 using ::aidl::android::hardware::secure_element::SecureElement;
36 using VirtualISO = aidl::vendor::nxp::virtual_iso::VirtualISO;
37 
38 using android::OK;
39 using android::sp;
40 using android::status_t;
41 
42 std::string NFC_AIDL_HAL_SERVICE_NAME = "android.hardware.nfc.INfc/default";
43 
waitForNFCHAL()44 static inline void waitForNFCHAL() {
45   int retry = 0;
46   android::sp<INfc> nfc_service = nullptr;
47   std::shared_ptr<INfcAidl> nfc_aidl_service = nullptr;
48 
49   ALOGI("Waiting for NFC HAL .. ");
50   do {
51     ::ndk::SpAIBinder binder(
52         AServiceManager_checkService(NFC_AIDL_HAL_SERVICE_NAME.c_str()));
53     nfc_aidl_service = INfcAidl::fromBinder(binder);
54     if (nfc_aidl_service != nullptr) {
55       ALOGI("NFC HAL service is registered");
56       break;
57     }
58     /* Wait for 100 MS for HAL RETRY*/
59     usleep(NFC_GET_SERVICE_DELAY_MS * 1000);
60   } while (retry++ < MAX_NFC_GET_RETRY);
61 
62   if (nfc_aidl_service == nullptr) {
63     ALOGE("Failed to get NFC AIDLHAL Service, trying to get HIDL service");
64     nfc_service = INfc::tryGetService();
65     if (nfc_service != nullptr) {
66       ALOGI("NFC HAL service is registered");
67     } else {
68       ALOGE("Failed to get NFC HAL Service");
69     }
70   }
71 }
72 
main()73 int main() {
74   char terminalID[5] = "eSE1";
75   const char* SEterminal = "eSEx";
76   bool ret = false;
77 
78   ALOGI("Secure Element AIDL HAL Service starting up");
79   if (!ABinderProcess_setThreadPoolMaxThreadCount(1)) {
80     ALOGE("failed to set thread pool max thread count");
81     return EXIT_FAILURE;
82   }
83 
84   waitForNFCHAL();
85   ALOGI("Secure Element AIDL HAL Service starting up");
86   std::shared_ptr<SecureElement> se_service =
87       ndk::SharedRefBase::make<SecureElement>();
88   std::shared_ptr<VirtualISO> virtual_iso_service = nullptr;
89 
90   if (GetNxpStrValue(NAME_NXP_SPI_SE_TERMINAL_NUM, terminalID, TERMINAL_LEN)) {
91     LOG(ERROR) << "eSETerminalId found";
92     ALOGE("eSETerminalId found val = %s ", terminalID);
93 
94     ret = true;
95   }
96   ALOGI("Terminal val = %s", terminalID);
97   if ((ret) && (strncmp(SEterminal, terminalID, 3) == 0)) {
98     ALOGI("Terminal ID found");
99     const std::string seInstName =
100         std::string() + SecureElement::descriptor + "/" + terminalID;
101     binder_status_t status = AServiceManager_addService(
102         se_service->asBinder().get(), seInstName.c_str());
103     if (status != OK) {
104       ALOGE("Could not register service for Secure Element HAL Iface (%d).",
105             status);
106       goto shutdown;
107     }
108     ALOGI("Secure Element Service is ready");
109   }
110 #ifdef NXP_VISO_ENABLE
111   ALOGI("Virtual ISO HAL Service 1.0 is starting.");
112   virtual_iso_service = ndk::SharedRefBase::make<VirtualISO>();
113 
114   ret = false;
115   if (GetNxpStrValue(NAME_NXP_VISO_SE_TERMINAL_NUM, terminalID, TERMINAL_LEN)) {
116     ALOGE("eUICCTerminalId found val = %s ", terminalID);
117     ret = true;
118   }
119   if ((ret) && (strncmp(SEterminal, terminalID, 3) == 0)) {
120     const std::string vISO_InstName =
121         std::string() + SecureElement::descriptor + "/" + terminalID;
122     binder_status_t status = AServiceManager_addService(
123         virtual_iso_service->asBinder().get(), vISO_InstName.c_str());
124 
125     if (status != OK) {
126       ALOGE("Could not register service for Virtual ISO HAL Iface (%d).",
127             status);
128       goto shutdown;
129     }
130   }
131 
132   ALOGI("Virtual ISO: Secure Element Service is ready");
133 #endif
134   ABinderProcess_joinThreadPool();
135 // Should not pass this line
136 shutdown:
137   // In normal operation, we don't expect the thread pool to exit
138   ALOGE("Secure Element Service is shutting down");
139   return EXIT_FAILURE;
140 }