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Merge "Ignore invalid time stamp in SMS PDUs"

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This commit is contained in:
Treehugger Robot
2020-07-13 08:10:24 +00:00
committed by Gerrit Code Review
parent 2ca1abc174 3e3baa0b9d
commit a19cd20f01
3 changed files with 50 additions and 29 deletions
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30
telephony/java/android/telephony/SmsCbEtwsInfo.java
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@@ -27,6 +27,7 @@ import com.android.internal.telephony.uicc.IccUtils;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.time.DateTimeException;
import java.time.LocalDateTime;
import java.time.ZoneOffset;
import java.util.Arrays;
@@ -173,7 +174,7 @@ public final class SmsCbEtwsInfo implements Parcelable {
/**
* Returns the Warning-Security-Information timestamp (GSM primary notifications only).
* As of Release 10, 3GPP TS 23.041 states that the UE shall ignore this value if received.
* @return a UTC timestamp in System.currentTimeMillis() format, or 0 if not present
* @return a UTC timestamp in System.currentTimeMillis() format, or 0 if not present or invalid.
*/
public long getPrimaryNotificationTimestamp() {
if (mWarningSecurityInformation == null || mWarningSecurityInformation.length < 7) {
@@ -201,18 +202,23 @@ public final class SmsCbEtwsInfo implements Parcelable {
// timezoneOffset is in quarter hours.
int timeZoneOffsetSeconds = timezoneOffset * 15 * 60;
LocalDateTime localDateTime = LocalDateTime.of(
// We only need to support years above 2000.
year + 2000,
month /* 1-12 */,
day,
hour,
minute,
second);
try {
LocalDateTime localDateTime = LocalDateTime.of(
// We only need to support years above 2000.
year + 2000,
month /* 1-12 */,
day,
hour,
minute,
second);
long epochSeconds = localDateTime.toEpochSecond(ZoneOffset.UTC) - timeZoneOffsetSeconds;
// Convert to milliseconds, ignore overflow.
return epochSeconds * 1000;
long epochSeconds = localDateTime.toEpochSecond(ZoneOffset.UTC) - timeZoneOffsetSeconds;
// Convert to milliseconds, ignore overflow.
return epochSeconds * 1000;
} catch (DateTimeException ex) {
// No-op
}
return 0;
}
/**

15
telephony/java/com/android/internal/telephony/cdma/sms/BearerData.java
View File

@@ -35,6 +35,7 @@ import com.android.internal.util.BitwiseOutputStream;
import com.android.telephony.Rlog;
import java.io.ByteArrayOutputStream;
import java.time.DateTimeException;
import java.time.Instant;
import java.time.LocalDateTime;
import java.time.ZoneId;
@@ -315,10 +316,16 @@ public final class BearerData {
}
public long toMillis() {
LocalDateTime localDateTime =
LocalDateTime.of(year, monthOrdinal, monthDay, hour, minute, second);
Instant instant = localDateTime.toInstant(mZoneId.getRules().getOffset(localDateTime));
return instant.toEpochMilli();
try {
LocalDateTime localDateTime =
LocalDateTime.of(year, monthOrdinal, monthDay, hour, minute, second);
Instant instant =
localDateTime.toInstant(mZoneId.getRules().getOffset(localDateTime));
return instant.toEpochMilli();
} catch (DateTimeException ex) {
Rlog.e(LOG_TAG, "Invalid timestamp", ex);
}
return 0;
}

34
telephony/java/com/android/internal/telephony/gsm/SmsMessage.java
View File

@@ -43,6 +43,7 @@ import com.android.telephony.Rlog;
import java.io.ByteArrayOutputStream;
import java.io.UnsupportedEncodingException;
import java.text.ParseException;
import java.time.DateTimeException;
import java.time.Instant;
import java.time.LocalDateTime;
import java.time.ZoneId;
@@ -856,10 +857,9 @@ public class SmsMessage extends SmsMessageBase {
}
/**
* Parses an SC timestamp and returns a currentTimeMillis()-style
* timestamp
* Parses an SC timestamp and returns a currentTimeMillis()-style timestamp, or 0 if
* invalid.
*/
long getSCTimestampMillis() {
// TP-Service-Centre-Time-Stamp
int year = IccUtils.gsmBcdByteToInt(mPdu[mCur++]);
@@ -885,16 +885,22 @@ public class SmsMessage extends SmsMessageBase {
// It's 2006. Should I really support years < 2000?
int fullYear = year >= 90 ? year + 1900 : year + 2000;
LocalDateTime localDateTime = LocalDateTime.of(
fullYear,
month /* 1-12 */,
day,
hour,
minute,
second);
long epochSeconds = localDateTime.toEpochSecond(ZoneOffset.UTC) - timeZoneOffsetSeconds;
// Convert to milliseconds.
return epochSeconds * 1000;
try {
LocalDateTime localDateTime = LocalDateTime.of(
fullYear,
month /* 1-12 */,
day,
hour,
minute,
second);
long epochSeconds =
localDateTime.toEpochSecond(ZoneOffset.UTC) - timeZoneOffsetSeconds;
// Convert to milliseconds.
return epochSeconds * 1000;
} catch (DateTimeException ex) {
Rlog.e(LOG_TAG, "Invalid timestamp", ex);
}
return 0;
}
/**
@@ -1245,6 +1251,7 @@ public class SmsMessage extends SmsMessageBase {
mRecipientAddress = p.getAddress();
// TP-Service-Centre-Time-Stamp
mScTimeMillis = p.getSCTimestampMillis();
// TP-Discharge-Time
p.getSCTimestampMillis();
// TP-Status
mStatus = p.getByte();
@@ -1303,6 +1310,7 @@ public class SmsMessage extends SmsMessageBase {
+ " data coding scheme: " + mDataCodingScheme);
}
// TP-Service-Centre-Time-Stamp
mScTimeMillis = p.getSCTimestampMillis();
if (VDBG) Rlog.d(LOG_TAG, "SMS SC timestamp: " + mScTimeMillis);