Merge "Allow optional package names in carrier configs" (68612ac5) · Commits · e / os / android_frameworks_base

telephony/java/android/telephony/CarrierConfigManager.java

+3 −2

Original line number	Diff line number	Diff line
		@@ -3999,8 +3999,9 @@ public class CarrierConfigManager {
		"mmi_two_digit_number_pattern_string_array";

		/**
		* Holds the list of carrier certificate hashes.
		* Note that each carrier has its own certificates.
		* Holds the list of carrier certificate hashes, followed by optional package names.
		* Format: "sha1/256" or "sha1/256:package1,package2,package3..."
		* Note that each carrier has its own hashes.
		*/
		public static final String KEY_CARRIER_CERTIFICATE_STRING_ARRAY =
		"carrier_certificate_string_array";

telephony/java/android/telephony/UiccAccessRule.java

+49 −0

Original line number	Diff line number	Diff line
		@@ -35,6 +35,7 @@ import java.io.DataOutputStream;
		import java.io.IOException;
		import java.security.MessageDigest;
		import java.security.NoSuchAlgorithmException;
		import java.util.ArrayList;
		import java.util.Arrays;
		import java.util.Collections;
		import java.util.List;
		@@ -52,6 +53,16 @@ public final class UiccAccessRule implements Parcelable {

		private static final int ENCODING_VERSION = 1;

		/**
		* Delimiter used to decode {@link CarrierConfigManager#KEY_CARRIER_CERTIFICATE_STRING_ARRAY}.
		*/
		private static final String DELIMITER_CERTIFICATE_HASH_PACKAGE_NAMES = ":";

		/**
		* Delimiter used to decode {@link CarrierConfigManager#KEY_CARRIER_CERTIFICATE_STRING_ARRAY}.
		*/
		private static final String DELIMITER_INDIVIDUAL_PACKAGE_NAMES = ",";

		public static final @android.annotation.NonNull Creator<UiccAccessRule> CREATOR = new Creator<UiccAccessRule>() {
		@Override
		public UiccAccessRule createFromParcel(Parcel in) {
		@@ -97,6 +108,36 @@ public final class UiccAccessRule implements Parcelable {
		}
		}

		/**
		* Decodes {@link CarrierConfigManager#KEY_CARRIER_CERTIFICATE_STRING_ARRAY} values.
		* @hide
		*/
		@Nullable
		public static UiccAccessRule[] decodeRulesFromCarrierConfig(@Nullable String[] certs) {
		if (certs == null) {
		return null;
		}
		List<UiccAccessRule> carrierConfigAccessRulesArray = new ArrayList();
		for (String cert : certs) {
		String[] splitStr = cert.split(DELIMITER_CERTIFICATE_HASH_PACKAGE_NAMES);
		byte[] certificateHash = IccUtils.hexStringToBytes(splitStr[0]);
		if (splitStr.length == 1) {
		// The value is a certificate hash, without any package name
		carrierConfigAccessRulesArray.add(new UiccAccessRule(certificateHash, null, 0));
		} else {
		// The value is composed of the certificate hash followed by at least one
		// package name
		String[] packageNames = splitStr[1].split(DELIMITER_INDIVIDUAL_PACKAGE_NAMES);
		for (String packageName : packageNames) {
		carrierConfigAccessRulesArray.add(
		new UiccAccessRule(certificateHash, packageName, 0));
		}
		}
		}
		return carrierConfigAccessRulesArray.toArray(
		new UiccAccessRule[carrierConfigAccessRulesArray.size()]);
		}

		/**
		* Decodes a byte array generated with {@link #encodeRules}.
		* @hide
		@@ -214,6 +255,14 @@ public final class UiccAccessRule implements Parcelable {
		return TelephonyManager.CARRIER_PRIVILEGE_STATUS_NO_ACCESS;
		}

		/**
		* Returns true if the given certificate and package name match this rule's values.
		* @hide
		*/
		public boolean matches(@Nullable String certHash, @Nullable String packageName) {
		return matches(IccUtils.hexStringToBytes(certHash), packageName);
		}

		private boolean matches(byte[] certHash, String packageName) {
		return certHash != null && Arrays.equals(this.mCertificateHash, certHash) &&
		(TextUtils.isEmpty(this.mPackageName) \|\| this.mPackageName.equals(packageName));