Truncate user data to a limit of 500 characters am: 46caac6419
Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/24993589
Change-Id: I1d11afabb1141a7f375cb64b36b043ef56a5dac9
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
diff --git a/services/core/java/com/android/server/pm/UserManagerService.java b/services/core/java/com/android/server/pm/UserManagerService.java
index 92abc486..922de4a 100644
--- a/services/core/java/com/android/server/pm/UserManagerService.java
+++ b/services/core/java/com/android/server/pm/UserManagerService.java
@@ -248,6 +248,8 @@
private static final int USER_VERSION = 9;
+ private static final int MAX_USER_STRING_LENGTH = 500;
+
private static final long EPOCH_PLUS_30_YEARS = 30L * 365 * 24 * 60 * 60 * 1000L; // ms
static final int WRITE_USER_MSG = 1;
@@ -3157,15 +3159,17 @@
// Write seed data
if (userData.persistSeedData) {
if (userData.seedAccountName != null) {
- serializer.attribute(null, ATTR_SEED_ACCOUNT_NAME, userData.seedAccountName);
+ serializer.attribute(null, ATTR_SEED_ACCOUNT_NAME,
+ truncateString(userData.seedAccountName));
}
if (userData.seedAccountType != null) {
- serializer.attribute(null, ATTR_SEED_ACCOUNT_TYPE, userData.seedAccountType);
+ serializer.attribute(null, ATTR_SEED_ACCOUNT_TYPE,
+ truncateString(userData.seedAccountType));
}
}
if (userInfo.name != null) {
serializer.startTag(null, TAG_NAME);
- serializer.text(userInfo.name);
+ serializer.text(truncateString(userInfo.name));
serializer.endTag(null, TAG_NAME);
}
synchronized (mRestrictionsLock) {
@@ -3205,6 +3209,13 @@
serializer.endDocument();
}
+ private String truncateString(String original) {
+ if (original == null || original.length() <= MAX_USER_STRING_LENGTH) {
+ return original;
+ }
+ return original.substring(0, MAX_USER_STRING_LENGTH);
+ }
+
/*
* Writes the user list file in this format:
*
@@ -3565,6 +3576,7 @@
boolean preCreate, @Nullable String[] disallowedPackages,
@NonNull TimingsTraceAndSlog t, @Nullable Object token)
throws UserManager.CheckedUserOperationException {
+ String truncatedName = truncateString(name);
final UserTypeDetails userTypeDetails = mUserTypes.get(userType);
if (userTypeDetails == null) {
Slog.e(LOG_TAG, "Cannot create user of invalid user type: " + userType);
@@ -3590,8 +3602,9 @@
// Try to use a pre-created user (if available).
if (!preCreate && parentId < 0 && isUserTypeEligibleForPreCreation(userTypeDetails)) {
- final UserInfo preCreatedUser = convertPreCreatedUserIfPossible(userType, flags, name,
- token);
+
+ final UserInfo preCreatedUser = convertPreCreatedUserIfPossible(userType, flags,
+ truncatedName, token);
if (preCreatedUser != null) {
return preCreatedUser;
}
@@ -3684,7 +3697,7 @@
flags &= ~UserInfo.FLAG_EPHEMERAL;
}
- userInfo = new UserInfo(userId, name, null, flags, userType);
+ userInfo = new UserInfo(userId, truncatedName, null, flags, userType);
userInfo.serialNumber = mNextSerialNumber++;
userInfo.creationTime = getCreationTime();
userInfo.partial = true;
@@ -4981,8 +4994,8 @@
Slog.e(LOG_TAG, "No such user for settings seed data u=" + userId);
return;
}
- userData.seedAccountName = accountName;
- userData.seedAccountType = accountType;
+ userData.seedAccountName = truncateString(accountName);
+ userData.seedAccountType = truncateString(accountType);
userData.seedAccountOptions = accountOptions;
userData.persistSeedData = persist;
}