Fetches sim service table from the EF_SST elementary file of the sim

Bug: 217794026
Test: Atest Verification completed
Change-Id: I2445a8a419cc5abf9c602e1cd25536cc681604a6

4 files changed, 87 insertions, 2 deletions

diff --git a/src/java/com/android/internal/telephony/uicc/IsimServiceTable.java b/src/java/com/android/internal/telephony/uicc/IsimServiceTable.java
new file mode 100644
index 0000000000..289229cc90
--- /dev/null
+++ b/src/java/com/android/internal/telephony/uicc/IsimServiceTable.java
@@ -0,0 +1,56 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.internal.telephony.uicc;
+
+public final class IsimServiceTable extends IccServiceTable {
+    private static final String TAG = "IsimServiceTable";
+    public enum IsimService {
+        PCSCF_ADDRESS,
+        GBA,                                // Generic Bootstrapping Architecture (GBA)
+        HTTP_DIGEST,
+        GBA_LOCALKEY_ESTABLISHMENT,         // GBA-based Local Key Establishment Mechanism
+        PCSCF_DISCOVERY_FOR_IMS,            // Support of P-CSCF discovery for IMS Local Break Out
+        SMS,
+        SMSR,                               // Short Message Status Reports
+        SM_OVERIP_AND_DATA_DL_VIA_SMS_PP,   // Support for SM-over-IP including data download via
+        // SMS-PP
+        COMMUNICATION_CONTROL_FOR_IMS_BY_ISIM,
+        UICC_ACCESS_TO_IMS
+    }
+
+    public IsimServiceTable(byte[] table) {
+        super(table);
+    }
+
+    public boolean isAvailable(IsimService service) {
+        return super.isAvailable(service.ordinal());
+    }
+
+    @Override
+    protected String getTag() {
+        return TAG;
+    }
+
+    @Override
+    protected Object[] getValues() {
+        return IsimService.values();
+    }
+
+    public byte[] getISIMServiceTable() {
+        return mServiceTable;
+    }
+}
diff --git a/src/java/com/android/internal/telephony/uicc/IsimUiccRecords.java b/src/java/com/android/internal/telephony/uicc/IsimUiccRecords.java
index 7cd59c74ea..b2206efe13 100644
--- a/src/java/com/android/internal/telephony/uicc/IsimUiccRecords.java
+++ b/src/java/com/android/internal/telephony/uicc/IsimUiccRecords.java
@@ -225,6 +225,11 @@ public class IsimUiccRecords extends IccRecords implements IsimRecords {
         }
     }
 
+    @VisibleForTesting
+    public EfIsimIstLoaded getIsimIstObject() {
+        return new EfIsimIstLoaded();
+    }
+
     private class EfIsimSmssLoaded implements IccRecords.IccRecordLoaded {
 
         @Override
@@ -484,11 +489,11 @@ public class IsimUiccRecords extends IccRecords implements IsimRecords {
         pw.println("IsimRecords: " + this);
         pw.println(" extends:");
         super.dump(fd, pw, args);
+        pw.println(" mIsimServiceTable=" + getIsimServiceTable());
         if (DUMP_RECORDS) {
             pw.println(" mIsimImpi=" + mIsimImpi);
             pw.println(" mIsimDomain=" + mIsimDomain);
             pw.println(" mIsimImpu[]=" + Arrays.toString(mIsimImpu));
-            pw.println(" mIsimIst" + mIsimIst);
             pw.println(" mIsimPcscf" + mIsimPcscf);
             pw.println(" mPsismsc=" + mPsiSmsc);
             pw.println(" mSmss TPMR=" + getSmssTpmrValue());
@@ -496,6 +501,14 @@ public class IsimUiccRecords extends IccRecords implements IsimRecords {
         pw.flush();
     }
 
+    // Just to return the Enums of service table to print in DUMP
+    private IsimServiceTable getIsimServiceTable() {
+        if (mIsimIst != null) {
+            byte[] istTable = IccUtils.hexStringToBytes(mIsimIst);
+            return new IsimServiceTable(istTable);
+        }
+        return null;
+    }
     @Override
     public int getVoiceMessageCount() {
         return 0; // Not applicable to Isim
diff --git a/src/java/com/android/internal/telephony/uicc/SIMRecords.java b/src/java/com/android/internal/telephony/uicc/SIMRecords.java
index f84cf8a8bc..39336c6c0c 100644
--- a/src/java/com/android/internal/telephony/uicc/SIMRecords.java
+++ b/src/java/com/android/internal/telephony/uicc/SIMRecords.java
@@ -167,7 +167,7 @@ public class SIMRecords extends IccRecords {
     private static final int EVENT_UPDATE_DONE = 14 + SIM_RECORD_EVENT_BASE;
     protected static final int EVENT_GET_PNN_DONE = 15 + SIM_RECORD_EVENT_BASE;
     protected static final int EVENT_GET_OPL_DONE = 16 + SIM_RECORD_EVENT_BASE;
-    private static final int EVENT_GET_SST_DONE = 17 + SIM_RECORD_EVENT_BASE;
+    protected static final int EVENT_GET_SST_DONE = 17 + SIM_RECORD_EVENT_BASE;
     private static final int EVENT_GET_ALL_SMS_DONE = 18 + SIM_RECORD_EVENT_BASE;
     private static final int EVENT_MARK_SMS_READ_DONE = 19 + SIM_RECORD_EVENT_BASE;
     private static final int EVENT_SET_MBDN_DONE = 20 + SIM_RECORD_EVENT_BASE;
@@ -279,6 +279,18 @@ public class SIMRecords extends IccRecords {
         return mUsimServiceTable;
     }
 
+    /**
+     * Fetches the USIM service table from UsimServiceTable
+     *
+     * @return HexString representation of USIM service table
+     */
+    public String getSimServiceTable() {
+        if (mUsimServiceTable != null) {
+            return IccUtils.bytesToHexString(mUsimServiceTable.getUSIMServiceTable());
+        }
+        return null;
+    }
+
     @UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.R, trackingBug = 170729553)
     private int getExtFromEf(int ef) {
         int ext;
diff --git a/src/java/com/android/internal/telephony/uicc/UsimServiceTable.java b/src/java/com/android/internal/telephony/uicc/UsimServiceTable.java
index fc58d3cec3..ea2bf42dce 100644
--- a/src/java/com/android/internal/telephony/uicc/UsimServiceTable.java
+++ b/src/java/com/android/internal/telephony/uicc/UsimServiceTable.java
@@ -157,4 +157,8 @@ public final class UsimServiceTable extends IccServiceTable {
     protected Object[] getValues() {
         return UsimService.values();
     }
+
+    public byte[] getUSIMServiceTable() {
+        return mServiceTable;
+    }
 }