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Merge "Correct scope of "disabled?" check viz backup/restore decisions" into oc-dev

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am: d239223cb0

Change-Id: Ic679f1c8482831abc2c4e92aedeca8a1ef51a6b8
This commit is contained in:
Chris Tate
2017-05-05 01:18:05 +00:00
committed by android-build-merger
parent 8e0b16216d d239223cb0
commit 136f841c5c
2 changed files with 23 additions and 17 deletions
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38
services/backup/java/com/android/server/backup/BackupManagerService.java
View File

@@ -774,7 +774,7 @@ public class BackupManagerService {
}
// High level policy: apps are generally ineligible for backup if certain conditions apply
public static boolean appIsEligibleForBackup(ApplicationInfo app) {
public static boolean appIsEligibleForBackup(ApplicationInfo app, PackageManager pm) {
// 1. their manifest states android:allowBackup="false"
if ((app.flags&ApplicationInfo.FLAG_ALLOW_BACKUP) == 0) {
return false;
@@ -790,15 +790,18 @@ public class BackupManagerService {
return false;
}
return true;
// Everything else checks out; the only remaining roadblock would be if the
// package were disabled
return !appIsDisabled(app, pm);
}
// Checks if the app is in a stopped state, that means it won't receive broadcasts.
// Checks if the app is in a stopped state. This is not part of the general "eligible for
// backup?" check because we *do* still need to restore data to apps in this state (e.g.
// newly-installing ones)
private static boolean appIsStopped(ApplicationInfo app) {
return ((app.flags & ApplicationInfo.FLAG_STOPPED) != 0);
}
// We also avoid backups of 'disabled' apps
private static boolean appIsDisabled(ApplicationInfo app, PackageManager pm) {
switch (pm.getApplicationEnabledSetting(app.packageName)) {
case PackageManager.COMPONENT_ENABLED_STATE_DISABLED:
@@ -1526,7 +1529,8 @@ public class BackupManagerService {
foundApps.add(pkgName); // all apps that we've addressed already
try {
PackageInfo pkg = mPackageManager.getPackageInfo(pkgName, 0);
if (appGetsFullBackup(pkg) && appIsEligibleForBackup(pkg.applicationInfo)) {
if (appGetsFullBackup(pkg)
&& appIsEligibleForBackup(pkg.applicationInfo, mPackageManager)) {
schedule.add(new FullBackupEntry(pkgName, lastBackup));
} else {
if (DEBUG) {
@@ -1545,7 +1549,8 @@ public class BackupManagerService {
// New apps can arrive "out of band" via OTA and similar, so we also need to
// scan to make sure that we're tracking all full-backup candidates properly
for (PackageInfo app : apps) {
if (appGetsFullBackup(app) && appIsEligibleForBackup(app.applicationInfo)) {
if (appGetsFullBackup(app)
&& appIsEligibleForBackup(app.applicationInfo, mPackageManager)) {
if (!foundApps.contains(app.packageName)) {
if (MORE_DEBUG) {
Slog.i(TAG, "New full backup app " + app.packageName + " found");
@@ -1574,7 +1579,8 @@ public class BackupManagerService {
changed = true;
schedule = new ArrayList<FullBackupEntry>(apps.size());
for (PackageInfo info : apps) {
if (appGetsFullBackup(info) && appIsEligibleForBackup(info.applicationInfo)) {
if (appGetsFullBackup(info)
&& appIsEligibleForBackup(info.applicationInfo, mPackageManager)) {
schedule.add(new FullBackupEntry(info.packageName, 0));
}
}
@@ -2032,7 +2038,8 @@ public class BackupManagerService {
for (String packageName : pkgList) {
try {
PackageInfo app = mPackageManager.getPackageInfo(packageName, 0);
if (appGetsFullBackup(app) && appIsEligibleForBackup(app.applicationInfo)) {
if (appGetsFullBackup(app)
&& appIsEligibleForBackup(app.applicationInfo, mPackageManager)) {
enqueueFullBackup(packageName, now);
scheduleNextFullBackupJob(0);
} else {
@@ -2432,7 +2439,7 @@ public class BackupManagerService {
try {
PackageInfo packageInfo = mPackageManager.getPackageInfo(packageName,
PackageManager.GET_SIGNATURES);
if (!appIsEligibleForBackup(packageInfo.applicationInfo)) {
if (!appIsEligibleForBackup(packageInfo.applicationInfo, mPackageManager)) {
sendBackupOnPackageResult(observer, packageName,
BackupManager.ERROR_BACKUP_NOT_ALLOWED);
continue;
@@ -2952,7 +2959,7 @@ public class BackupManagerService {
try {
mCurrentPackage = mPackageManager.getPackageInfo(request.packageName,
PackageManager.GET_SIGNATURES);
if (!appIsEligibleForBackup(mCurrentPackage.applicationInfo)) {
if (!appIsEligibleForBackup(mCurrentPackage.applicationInfo, mPackageManager)) {
// The manifest has changed but we had a stale backup request pending.
// This won't happen again because the app won't be requesting further
// backups.
@@ -4399,7 +4406,7 @@ public class BackupManagerService {
Iterator<Entry<String, PackageInfo>> iter = packagesToBackup.entrySet().iterator();
while (iter.hasNext()) {
PackageInfo pkg = iter.next().getValue();
if (!appIsEligibleForBackup(pkg.applicationInfo)
if (!appIsEligibleForBackup(pkg.applicationInfo, mPackageManager)
|| appIsStopped(pkg.applicationInfo)) {
iter.remove();
if (DEBUG) {
@@ -4681,7 +4688,7 @@ public class BackupManagerService {
PackageInfo info = mPackageManager.getPackageInfo(pkg,
PackageManager.GET_SIGNATURES);
mCurrentPackage = info;
if (!appIsEligibleForBackup(info.applicationInfo)) {
if (!appIsEligibleForBackup(info.applicationInfo, mPackageManager)) {
// Cull any packages that have indicated that backups are not permitted,
// that run as system-domain uids but do not define their own backup agents,
// as well as any explicit mention of the 'special' shared-storage agent
@@ -8658,7 +8665,7 @@ if (MORE_DEBUG) Slog.v(TAG, " + got " + nRead + "; now wanting " + (size - soF
continue;
}
if (appIsEligibleForBackup(info.applicationInfo)) {
if (appIsEligibleForBackup(info.applicationInfo, mPackageManager)) {
mAcceptSet.add(info);
}
} catch (NameNotFoundException e) {
@@ -10830,9 +10837,8 @@ if (MORE_DEBUG) Slog.v(TAG, " + got " + nRead + "; now wanting " + (size - soF
try {
PackageInfo packageInfo = mPackageManager.getPackageInfo(packageName,
PackageManager.GET_SIGNATURES);
if (!appIsEligibleForBackup(packageInfo.applicationInfo) ||
appIsStopped(packageInfo.applicationInfo) ||
appIsDisabled(packageInfo.applicationInfo, mPackageManager)) {
if (!appIsEligibleForBackup(packageInfo.applicationInfo, mPackageManager) ||
appIsStopped(packageInfo.applicationInfo)) {
return false;
}
IBackupTransport transport = mTransportManager.getCurrentTransportBinder();

2
services/backup/java/com/android/server/backup/PackageManagerBackupAgent.java
View File

@@ -140,7 +140,7 @@ public class PackageManagerBackupAgent extends BackupAgent {
int N = pkgs.size();
for (int a = N-1; a >= 0; a--) {
PackageInfo pkg = pkgs.get(a);
if (!BackupManagerService.appIsEligibleForBackup(pkg.applicationInfo)) {
if (!BackupManagerService.appIsEligibleForBackup(pkg.applicationInfo, pm)) {
pkgs.remove(a);
}
}