Android/frameworks_base
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Merge "UserSystemPackageInstaller only (un)installs when appropriate" into rvc-dev am: 9968525afb am: e8c7af4d96

Browse Source 
Change-Id: I308a6d53885ffd5c0659d43f9759aeedf1a81708
This commit is contained in:
Adam Bookatz
2020-03-30 19:27:02 +00:00
committed by Automerger Merge Worker
parent 241c41c234 e8c7af4d96
commit fa39d0269f
11 changed files with 191 additions and 85 deletions
Download Patch File Download Diff File Expand all files Collapse all files

21
core/java/android/content/pm/PackageManager.java
View File

@@ -1031,6 +1031,27 @@ public abstract class PackageManager {
*/
public static final int INSTALL_REASON_ROLLBACK = 5;
/** @hide */
@IntDef(prefix = { "UNINSTALL_REASON_" }, value = {
UNINSTALL_REASON_UNKNOWN,
UNINSTALL_REASON_USER_TYPE,
})
@Retention(RetentionPolicy.SOURCE)
public @interface UninstallReason {}
/**
* Code indicating that the reason for uninstalling this package is unknown.
* @hide
*/
public static final int UNINSTALL_REASON_UNKNOWN = 0;
/**
* Code indicating that this package was uninstalled due to the type of user.
* See UserSystemPackageInstaller
* @hide
*/
public static final int UNINSTALL_REASON_USER_TYPE = 1;
/**
* @hide
*/

7
core/java/android/content/pm/PackageUserState.java
View File

@@ -74,6 +74,7 @@ public class PackageUserState {
public int appLinkGeneration;
public int categoryHint = ApplicationInfo.CATEGORY_UNDEFINED;
public int installReason;
public @PackageManager.UninstallReason int uninstallReason;
public String harmfulAppWarning;
public ArraySet<String> disabledComponents;
@@ -92,6 +93,7 @@ public class PackageUserState {
domainVerificationStatus =
PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED;
installReason = PackageManager.INSTALL_REASON_UNKNOWN;
uninstallReason = PackageManager.UNINSTALL_REASON_UNKNOWN;
}
@VisibleForTesting
@@ -112,6 +114,7 @@ public class PackageUserState {
appLinkGeneration = o.appLinkGeneration;
categoryHint = o.categoryHint;
installReason = o.installReason;
uninstallReason = o.uninstallReason;
disabledComponents = ArrayUtils.cloneOrNull(o.disabledComponents);
enabledComponents = ArrayUtils.cloneOrNull(o.enabledComponents);
overlayPaths =
@@ -353,6 +356,9 @@ public class PackageUserState {
if (installReason != oldState.installReason) {
return false;
}
if (uninstallReason != oldState.uninstallReason) {
return false;
}
if ((disabledComponents == null && oldState.disabledComponents != null)
|| (disabledComponents != null && oldState.disabledComponents == null)) {
return false;
@@ -407,6 +413,7 @@ public class PackageUserState {
hashCode = 31 * hashCode + appLinkGeneration;
hashCode = 31 * hashCode + categoryHint;
hashCode = 31 * hashCode + installReason;
hashCode = 31 * hashCode + uninstallReason;
hashCode = 31 * hashCode + Objects.hashCode(disabledComponents);
hashCode = 31 * hashCode + Objects.hashCode(enabledComponents);
hashCode = 31 * hashCode + Objects.hashCode(harmfulAppWarning);

3
core/res/res/values/config.xml
View File

@@ -2406,8 +2406,7 @@
- to henceforth disable feature and try to undo its previous effects: 0
Note: This list must be kept current with PACKAGE_WHITELIST_MODE_PROP in
frameworks/base/services/core/java/com/android/server/pm/UserSystemPackageInstaller.java -->
<integer name="config_userTypePackageWhitelistMode">29</integer> <!-- 1+4+8+16 -->
<!-- TODO(b/143200798): Change to value 13, i.e. 1+4+8, when b/143200798 is resolved. -->
<integer name="config_userTypePackageWhitelistMode">13</integer> <!-- 1+4+8 -->
<!-- Whether UI for multi user should be shown -->
<bool name="config_enableMultiUserUI">false</bool>

4
data/etc/preinstalled-packages-platform.xml
View File

@@ -97,8 +97,8 @@ The way that a device treats system packages that do not have any entry (for any
is determined by the config resource value config_userTypePackageWhitelistMode.
See frameworks/base/core/res/res/values/config.xml#config_userTypePackageWhitelistMode.
Changes to the whitelist during system updates can result in installing new system packages
to pre-existing users, but cannot uninstall system packages from pre-existing users.
Changes to the whitelist during system updates can result in installing additional system packages
to pre-existing users, but cannot uninstall pre-existing system packages from pre-existing users.
-->
<config>
<install-in-user-type package="com.android.providers.settings">

17
services/core/java/android/content/pm/PackageManagerInternal.java
View File

@@ -426,17 +426,6 @@ public abstract class PackageManagerInternal {
*/
public abstract String getNameForUid(int uid);
/**
* Marks a package as installed (or not installed) for a given user.
*
* @param pkg the package whose installation is to be set
* @param userId the user for whom to set it
* @param installed the new installed state
* @return true if the installed state changed as a result
*/
public abstract boolean setInstalled(AndroidPackage pkg,
@UserIdInt int userId, boolean installed);
/**
* Request to perform the second phase of ephemeral resolution.
* @param responseObj The response of the first phase of ephemeral resolution
@@ -521,12 +510,6 @@ public abstract class PackageManagerInternal {
*/
public abstract boolean isPackagePersistent(String packageName);
/**
* Returns whether or not the given package represents a legacy system application released
* prior to runtime permissions.
*/
public abstract boolean isLegacySystemApp(AndroidPackage pkg);
/**
* Get all overlay packages for a user.
* @param userId The user for which to get the overlays.

97
services/core/java/com/android/server/pm/PackageManagerService.java
View File

@@ -93,6 +93,7 @@ import static android.content.pm.PackageManager.MOVE_FAILED_SYSTEM_PACKAGE;
import static android.content.pm.PackageManager.PERMISSION_DENIED;
import static android.content.pm.PackageManager.PERMISSION_GRANTED;
import static android.content.pm.PackageManager.RESTRICTION_NONE;
import static android.content.pm.PackageManager.UNINSTALL_REASON_UNKNOWN;
import static android.content.pm.PackageParser.isApkFile;
import static android.os.Trace.TRACE_TAG_PACKAGE_MANAGER;
import static android.os.incremental.IncrementalManager.isIncrementalPath;
@@ -736,9 +737,10 @@ public class PackageManagerService extends IPackageManager.Stub
final private ArrayMap<String, File> mExpectingBetter = new ArrayMap<>();
/**
* Tracks existing system packages prior to receiving an OTA. Keys are package name.
* Tracks existing packages prior to receiving an OTA. Keys are package name.
* Only non-null during an OTA, and even then it is nulled again once systemReady().
*/
final private ArraySet<String> mExistingSystemPackages = new ArraySet<>();
private @Nullable ArraySet<String> mExistingPackages = null;
/**
* Whether or not system app permissions should be promoted from install to runtime.
*/
@@ -2569,9 +2571,10 @@ public class PackageManagerService extends IPackageManager.Stub
private void installWhitelistedSystemPackages() {
synchronized (mLock) {
final boolean scheduleWrite = mUserManager.installWhitelistedSystemPackages(
isFirstBoot(), isDeviceUpgrading());
isFirstBoot(), isDeviceUpgrading(), mExistingPackages);
if (scheduleWrite) {
scheduleWritePackageRestrictionsLocked(UserHandle.USER_ALL);
scheduleWriteSettingsLocked();
}
}
}
@@ -2881,13 +2884,12 @@ public class PackageManagerService extends IPackageManager.Stub
mIsPreNMR1Upgrade = mIsUpgrade && ver.sdkVersion < Build.VERSION_CODES.N_MR1;
mIsPreQUpgrade = mIsUpgrade && ver.sdkVersion < Build.VERSION_CODES.Q;
// save off the names of pre-existing system packages prior to scanning; we don't
// want to automatically grant runtime permissions for new system apps
if (mPromoteSystemApps) {
// Save the names of pre-existing packages prior to scanning, so we can determine
// which system packages are completely new due to an upgrade.
if (isDeviceUpgrading()) {
mExistingPackages = new ArraySet<>(mSettings.mPackages.size());
for (PackageSetting ps : mSettings.mPackages.values()) {
if (isSystemApp(ps)) {
mExistingSystemPackages.add(ps.name);
}
mExistingPackages.add(ps.name);
}
}
@@ -3348,7 +3350,6 @@ public class PackageManagerService extends IPackageManager.Stub
}
// clear only after permissions and other defaults have been updated
mExistingSystemPackages.clear();
mPromoteSystemApps = false;
// All the changes are done during package scanning.
@@ -12775,6 +12776,7 @@ public class PackageManagerService extends IPackageManager.Stub
pkgSetting.setInstalled(true, userId);
pkgSetting.setHidden(false, userId);
pkgSetting.setInstallReason(installReason, userId);
pkgSetting.setUninstallReason(PackageManager.UNINSTALL_REASON_UNKNOWN, userId);
mSettings.writePackageRestrictionsLPr(userId);
mSettings.writeKernelMappingLPr(pkgSetting);
installed = true;
@@ -15607,7 +15609,8 @@ public class PackageManagerService extends IPackageManager.Stub
}
// It's implied that when a user requests installation, they want the app to be
// installed and enabled.
// installed and enabled. (This does not apply to USER_ALL, which here means only
// install on users for which the app is already installed).
if (userId != UserHandle.USER_ALL) {
ps.setInstalled(true, userId);
ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, userId, installerPackageName);
@@ -15625,7 +15628,7 @@ public class PackageManagerService extends IPackageManager.Stub
mSettings.addInstallerPackageNames(installSource);
// When replacing an existing package, preserve the original install reason for all
// users that had the package installed before.
// users that had the package installed before. Similarly for uninstall reasons.
final Set<Integer> previousUserIds = new ArraySet<>();
if (res.removedInfo != null && res.removedInfo.installReasons != null) {
final int installReasonCount = res.removedInfo.installReasons.size();
@@ -15636,10 +15639,20 @@ public class PackageManagerService extends IPackageManager.Stub
previousUserIds.add(previousUserId);
}
}
if (res.removedInfo != null && res.removedInfo.uninstallReasons != null) {
for (int i = 0; i < res.removedInfo.uninstallReasons.size(); i++) {
final int previousUserId = res.removedInfo.uninstallReasons.keyAt(i);
final int previousReason = res.removedInfo.uninstallReasons.valueAt(i);
ps.setUninstallReason(previousReason, previousUserId);
}
}
// Set install reason for users that are having the package newly installed.
final int[] allUsersList = mUserManager.getUserIds();
if (userId == UserHandle.USER_ALL) {
for (int currentUserId : mUserManager.getUserIds()) {
// TODO(b/152629990): It appears that the package doesn't actually get newly
// installed in this case, so the installReason shouldn't get modified?
for (int currentUserId : allUsersList) {
if (!previousUserIds.contains(currentUserId)) {
ps.setInstallReason(installReason, currentUserId);
}
@@ -15647,6 +15660,12 @@ public class PackageManagerService extends IPackageManager.Stub
} else if (!previousUserIds.contains(userId)) {
ps.setInstallReason(installReason, userId);
}
// Ensure that the uninstall reason is UNKNOWN for users with the package installed.
for (int currentUserId : allUsersList) {
if (ps.getInstalled(currentUserId)) {
ps.setUninstallReason(UNINSTALL_REASON_UNKNOWN, currentUserId);
}
}
mSettings.writeKernelMappingLPr(ps);
}
res.name = pkgName;
@@ -17010,6 +17029,7 @@ public class PackageManagerService extends IPackageManager.Stub
final String pkgName11 = parsedPackage.getPackageName();
final int[] allUsers;
final int[] installedUsers;
final int[] uninstalledUsers;
synchronized (mLock) {
oldPackage = mPackages.get(pkgName11);
@@ -17084,6 +17104,7 @@ public class PackageManagerService extends IPackageManager.Stub
// In case of rollback, remember per-user/profile install state
allUsers = mUserManager.getUserIds();
installedUsers = ps.queryInstalledUsers(allUsers, true);
uninstalledUsers = ps.queryInstalledUsers(allUsers, false);
// don't allow an upgrade from full to ephemeral
@@ -17122,6 +17143,11 @@ public class PackageManagerService extends IPackageManager.Stub
final int userId = installedUsers[i];
res.removedInfo.installReasons.put(userId, ps.getInstallReason(userId));
}
res.removedInfo.uninstallReasons = new SparseArray<>(uninstalledUsers.length);
for (int i = 0; i < uninstalledUsers.length; i++) {
final int userId = uninstalledUsers[i];
res.removedInfo.uninstallReasons.put(userId, ps.getUninstallReason(userId));
}
sysPkg = oldPackage.isSystem();
if (sysPkg) {
@@ -17954,6 +17980,7 @@ public class PackageManagerService extends IPackageManager.Stub
int[] broadcastUsers = null;
int[] instantUserIds = null;
SparseArray<Integer> installReasons;
SparseArray<Integer> uninstallReasons;
boolean isRemovedPackageSystemUpdate = false;
boolean isUpdate;
boolean dataRemoved;
@@ -18176,6 +18203,9 @@ public class PackageManagerService extends IPackageManager.Stub
installedStateChanged = true;
}
deletedPs.setInstalled(installed, userId);
if (installed) {
deletedPs.setUninstallReason(UNINSTALL_REASON_UNKNOWN, userId);
}
}
}
}
@@ -18358,6 +18388,9 @@ public class PackageManagerService extends IPackageManager.Stub
installedStateChanged = true;
}
ps.setInstalled(installed, userId);
if (installed) {
ps.setUninstallReason(UNINSTALL_REASON_UNKNOWN, userId);
}
mSettings.writeRuntimePermissionsForUserLPr(userId, false);
}
@@ -18630,7 +18663,9 @@ public class PackageManagerService extends IPackageManager.Stub
null /*enabledComponents*/,
null /*disabledComponents*/,
ps.readUserState(nextUserId).domainVerificationStatus,
0, PackageManager.INSTALL_REASON_UNKNOWN,
0 /*linkGeneration*/,
PackageManager.INSTALL_REASON_UNKNOWN,
PackageManager.UNINSTALL_REASON_UNKNOWN,
null /*harmfulAppWarning*/);
}
mSettings.writeKernelMappingLPr(ps);
@@ -20781,6 +20816,8 @@ public class PackageManagerService extends IPackageManager.Stub
// installation on reboot. Make sure this is the last component to be call since the
// installation might require other components to be ready.
mInstallerService.restoreAndApplyStagedSessionIfNeeded();
mExistingPackages = null;
}
public void waitForAppDataPrepared() {
@@ -22733,16 +22770,17 @@ public class PackageManagerService extends IPackageManager.Stub
/**
* Called by UserManagerService.
*
* @param installablePackages system packages that should be initially installed for this user,
* or {@code null} if all system packages should be installed
* @param userTypeInstallablePackages system packages that should be initially installed for
* this type of user, or {@code null} if all system packages
* should be installed
* @param disallowedPackages packages that should not be initially installed. Takes precedence
* over installablePackages.
*/
void createNewUser(int userId, @Nullable Set<String> installablePackages,
void createNewUser(int userId, @Nullable Set<String> userTypeInstallablePackages,
String[] disallowedPackages) {
synchronized (mInstallLock) {
mSettings.createNewUserLI(this, mInstaller, userId,
installablePackages, disallowedPackages);
userTypeInstallablePackages, disallowedPackages);
}
synchronized (mLock) {
scheduleWritePackageRestrictionsLocked(userId);
@@ -23755,19 +23793,6 @@ public class PackageManagerService extends IPackageManager.Stub
return PackageManagerService.this.getNameForUid(uid);
}
@Override
public boolean setInstalled(AndroidPackage pkg, @UserIdInt int userId,
boolean installed) {
synchronized (mLock) {
final PackageSetting ps = mSettings.mPackages.get(pkg.getPackageName());
if (ps.getInstalled(userId) != installed) {
ps.setInstalled(installed, userId);
return true;
}
return false;
}
}
@Override
public void requestInstantAppResolutionPhaseTwo(AuxiliaryResolveInfo responseObj,
Intent origIntent, String resolvedType, String callingPackage,
@@ -23837,16 +23862,6 @@ public class PackageManagerService extends IPackageManager.Stub
}
}
@Override
public boolean isLegacySystemApp(AndroidPackage pkg) {
synchronized (mLock) {
final PackageSetting ps = getPackageSetting(pkg.getPackageName());
return mPromoteSystemApps
&& ps.isSystem()
&& mExistingSystemPackages.contains(ps.name);
}
}
@Override
public List<PackageInfo> getOverlayPackages(int userId) {
final ArrayList<PackageInfo> overlayPackages = new ArrayList<PackageInfo>();

14
services/core/java/com/android/server/pm/PackageSettingBase.java
View File

@@ -24,6 +24,7 @@ import android.annotation.NonNull;
import android.content.pm.ApplicationInfo;
import android.content.pm.IntentFilterVerificationInfo;
import android.content.pm.PackageManager;
import android.content.pm.PackageManager.UninstallReason;
import android.content.pm.PackageParser;
import android.content.pm.PackageUserState;
import android.content.pm.Signature;
@@ -315,6 +316,14 @@ public abstract class PackageSettingBase extends SettingBase {
modifyUserState(userId).installReason = installReason;
}
int getUninstallReason(int userId) {
return readUserState(userId).uninstallReason;
}
void setUninstallReason(@UninstallReason int uninstallReason, int userId) {
modifyUserState(userId).uninstallReason = uninstallReason;
}
void setOverlayPaths(List<String> overlayPaths, int userId) {
modifyUserState(userId).setOverlayPaths(overlayPaths == null ? null :
overlayPaths.toArray(new String[overlayPaths.size()]));
@@ -471,7 +480,7 @@ public abstract class PackageSettingBase extends SettingBase {
ArrayMap<String, PackageUserState.SuspendParams> suspendParams, boolean instantApp,
boolean virtualPreload, String lastDisableAppCaller,
ArraySet<String> enabledComponents, ArraySet<String> disabledComponents,
int domainVerifState, int linkGeneration, int installReason,
int domainVerifState, int linkGeneration, int installReason, int uninstallReason,
String harmfulAppWarning) {
PackageUserState state = modifyUserState(userId);
state.ceDataInode = ceDataInode;
@@ -489,6 +498,7 @@ public abstract class PackageSettingBase extends SettingBase {
state.domainVerificationStatus = domainVerifState;
state.appLinkGeneration = linkGeneration;
state.installReason = installReason;
state.uninstallReason = uninstallReason;
state.instantApp = instantApp;
state.virtualPreload = virtualPreload;
state.harmfulAppWarning = harmfulAppWarning;
@@ -502,7 +512,7 @@ public abstract class PackageSettingBase extends SettingBase {
otherState.virtualPreload, otherState.lastDisableAppCaller,
otherState.enabledComponents, otherState.disabledComponents,
otherState.domainVerificationStatus, otherState.appLinkGeneration,
otherState.installReason, otherState.harmfulAppWarning);
otherState.installReason, otherState.uninstallReason, otherState.harmfulAppWarning);
}
ArraySet<String> getEnabledComponents(int userId) {

39
services/core/java/com/android/server/pm/Settings.java
View File

@@ -24,6 +24,8 @@ import static android.content.pm.PackageManager.INSTALL_FAILED_SHARED_USER_INCOM
import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS;
import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED;
import static android.content.pm.PackageManager.MATCH_DEFAULT_ONLY;
import static android.content.pm.PackageManager.UNINSTALL_REASON_UNKNOWN;
import static android.content.pm.PackageManager.UNINSTALL_REASON_USER_TYPE;
import static android.os.Process.PACKAGE_INFO_GID;
import static android.os.Process.SYSTEM_UID;
@@ -266,6 +268,7 @@ public final class Settings {
private static final String ATTR_DOMAIN_VERIFICATON_STATE = "domainVerificationStatus";
private static final String ATTR_APP_LINK_GENERATION = "app-link-generation";
private static final String ATTR_INSTALL_REASON = "install-reason";
private static final String ATTR_UNINSTALL_REASON = "uninstall-reason";
private static final String ATTR_INSTANT_APP = "instant-app";
private static final String ATTR_VIRTUAL_PRELOAD = "virtual-preload";
private static final String ATTR_HARMFUL_APP_WARNING = "harmful-app-warning";
@@ -684,7 +687,9 @@ public final class Settings {
null /*enabledComponents*/,
null /*disabledComponents*/,
INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED,
0, PackageManager.INSTALL_REASON_UNKNOWN,
0 /*linkGeneration*/,
PackageManager.INSTALL_REASON_UNKNOWN,
PackageManager.UNINSTALL_REASON_UNKNOWN,
null /*harmfulAppWarning*/);
}
}
@@ -768,6 +773,7 @@ public final class Settings {
if (allUserInfos != null) {
for (UserInfo userInfo : allUserInfos) {
pkgSetting.setInstalled(true, userInfo.id);
pkgSetting.setUninstallReason(UNINSTALL_REASON_UNKNOWN, userInfo.id);
}
}
}
@@ -1580,7 +1586,9 @@ public final class Settings {
null /*enabledComponents*/,
null /*disabledComponents*/,
INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED,
0, PackageManager.INSTALL_REASON_UNKNOWN,
0 /*linkGeneration*/,
PackageManager.INSTALL_REASON_UNKNOWN,
PackageManager.UNINSTALL_REASON_UNKNOWN,
null /*harmfulAppWarning*/);
}
return;
@@ -1678,6 +1686,8 @@ public final class Settings {
}
final int installReason = XmlUtils.readIntAttribute(parser,
ATTR_INSTALL_REASON, PackageManager.INSTALL_REASON_UNKNOWN);
final int uninstallReason = XmlUtils.readIntAttribute(parser,
ATTR_UNINSTALL_REASON, PackageManager.UNINSTALL_REASON_UNKNOWN);
ArraySet<String> enabledComponents = null;
ArraySet<String> disabledComponents = null;
@@ -1751,7 +1761,7 @@ public final class Settings {
hidden, distractionFlags, suspended, suspendParamsMap,
instantApp, virtualPreload,
enabledCaller, enabledComponents, disabledComponents, verifState,
linkGeneration, installReason, harmfulAppWarning);
linkGeneration, installReason, uninstallReason, harmfulAppWarning);
} else if (tagName.equals("preferred-activities")) {
readPreferredActivitiesLPw(parser, userId);
} else if (tagName.equals(TAG_PERSISTENT_PREFERRED_ACTIVITIES)) {
@@ -2079,6 +2089,10 @@ public final class Settings {
serializer.attribute(null, ATTR_INSTALL_REASON,
Integer.toString(ustate.installReason));
}
if (ustate.uninstallReason != PackageManager.UNINSTALL_REASON_UNKNOWN) {
serializer.attribute(null, ATTR_UNINSTALL_REASON,
Integer.toString(ustate.uninstallReason));
}
if (ustate.harmfulAppWarning != null) {
serializer.attribute(null, ATTR_HARMFUL_APP_WARNING,
ustate.harmfulAppWarning);
@@ -4126,7 +4140,7 @@ public final class Settings {
}
void createNewUserLI(@NonNull PackageManagerService service, @NonNull Installer installer,
@UserIdInt int userHandle, @Nullable Set<String> installablePackages,
@UserIdInt int userHandle, @Nullable Set<String> userTypeInstallablePackages,
String[] disallowedPackages) {
final TimingsTraceAndSlog t = new TimingsTraceAndSlog(TAG + "Timing",
Trace.TRACE_TAG_PACKAGE_MANAGER);
@@ -4137,7 +4151,7 @@ public final class Settings {
String[] seinfos;
int[] targetSdkVersions;
int packagesCount;
final boolean skipPackageWhitelist = installablePackages == null;
final boolean skipPackageWhitelist = userTypeInstallablePackages == null;
synchronized (mLock) {
Collection<PackageSetting> packages = mPackages.values();
packagesCount = packages.size();
@@ -4152,13 +4166,20 @@ public final class Settings {
if (ps.pkg == null) {
continue;
}
final boolean shouldInstall = ps.isSystem() &&
(skipPackageWhitelist || installablePackages.contains(ps.name)) &&
final boolean shouldMaybeInstall = ps.isSystem() &&
!ArrayUtils.contains(disallowedPackages, ps.name) &&
!ps.getPkgState().isHiddenUntilInstalled();
final boolean shouldReallyInstall = shouldMaybeInstall &&
(skipPackageWhitelist || userTypeInstallablePackages.contains(ps.name));
// Only system apps are initially installed.
ps.setInstalled(shouldInstall, userHandle);
if (!shouldInstall) {
ps.setInstalled(shouldReallyInstall, userHandle);
// If userTypeInstallablePackages is the *only* reason why we're not installing,
// then uninstallReason is USER_TYPE. If there's a different reason, or if we
// actually are installing, put UNKNOWN.
final int uninstallReason = (shouldMaybeInstall && !shouldReallyInstall) ?
UNINSTALL_REASON_USER_TYPE : UNINSTALL_REASON_UNKNOWN;
ps.setUninstallReason(uninstallReason, userHandle);
if (!shouldReallyInstall) {
writeKernelMappingLPr(ps);
}
// Need to create a data directory for all apps under this user. Accumulate all

10
services/core/java/com/android/server/pm/UserManagerService.java
View File

@@ -3438,10 +3438,10 @@ public class UserManagerService extends IUserManager.Stub {
StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE);
t.traceEnd();
final Set<String> installablePackages =
final Set<String> userTypeInstallablePackages =
mSystemPackageInstaller.getInstallablePackagesForUserType(userType);
t.traceBegin("PM.createNewUser");
mPm.createNewUser(userId, installablePackages, disallowedPackages);
mPm.createNewUser(userId, userTypeInstallablePackages, disallowedPackages);
t.traceEnd();
userInfo.partial = false;
@@ -3562,8 +3562,10 @@ public class UserManagerService extends IUserManager.Stub {
}
/** Install/uninstall system packages for all users based on their user-type, as applicable. */
boolean installWhitelistedSystemPackages(boolean isFirstBoot, boolean isUpgrade) {
return mSystemPackageInstaller.installWhitelistedSystemPackages(isFirstBoot, isUpgrade);
boolean installWhitelistedSystemPackages(boolean isFirstBoot, boolean isUpgrade,
@Nullable ArraySet<String> existingPackages) {
return mSystemPackageInstaller.installWhitelistedSystemPackages(
isFirstBoot, isUpgrade, existingPackages);
}
private long getCreationTime() {

60
services/core/java/com/android/server/pm/UserSystemPackageInstaller.java
View File

@@ -20,6 +20,7 @@ import android.annotation.IntDef;
import android.annotation.NonNull;
import android.annotation.Nullable;
import android.annotation.UserIdInt;
import android.content.pm.PackageManager;
import android.content.pm.PackageManagerInternal;
import android.content.pm.PackageParser;
import android.content.res.Resources;
@@ -74,6 +75,14 @@ import java.util.Set;
* <li>Otherwise, the package is implicitly treated as blacklisted for all users</li>
* </ul>
*
* <p>Packages are only installed/uninstalled by this mechanism when a new user is created or during
* an update. In the case of updates:<ul>
* <li>new packages are (un)installed per the whitelist/blacklist</li>
* <li>pre-existing installed blacklisted packages are never uninstalled</li>
* <li>pre-existing not-installed whitelisted packages are only installed if the reason why they
* had been previously uninstalled was due to UserSystemPackageInstaller</li>
* </ul>
*
* <p><b>NOTE:</b> the {@code SystemConfig} state is only updated on first boot or after a system
* update. So, to verify changes during development, you can emulate the latter by calling:
* <pre><code>
@@ -171,8 +180,12 @@ class UserSystemPackageInstaller {
*
* This is responsible for enforcing the whitelist for pre-existing users (i.e. USER_SYSTEM);
* enforcement for new users is done when they are created in UserManagerService.createUser().
*
* @param preExistingPackages list of packages on the device prior to the upgrade. Cannot be
* null if isUpgrade is true.
*/
boolean installWhitelistedSystemPackages(boolean isFirstBoot, boolean isUpgrade) {
boolean installWhitelistedSystemPackages(boolean isFirstBoot, boolean isUpgrade,
@Nullable ArraySet<String> preExistingPackages) {
final int mode = getWhitelistMode();
checkWhitelistedSystemPackages(mode);
final boolean isConsideredUpgrade = isUpgrade && !isIgnoreOtaMode(mode);
@@ -198,19 +211,50 @@ class UserSystemPackageInstaller {
final boolean install =
(userWhitelist == null || userWhitelist.contains(pkg.getPackageName()))
&& !pkgSetting.getPkgState().isHiddenUntilInstalled();
if (isConsideredUpgrade && !isFirstBoot && !install) {
return; // To be careful, we don’t uninstall apps during OTAs
}
final boolean changed = pmInt.setInstalled(pkg, userId, install);
if (changed) {
Slog.i(TAG, (install ? "Installed " : "Uninstalled ")
+ pkg.getPackageName() + " for user " + userId);
if (pkgSetting.getInstalled(userId) == install
|| !shouldChangeInstallationState(pkgSetting, install, userId, isFirstBoot,
isConsideredUpgrade, preExistingPackages)) {
return;
}
pkgSetting.setInstalled(install, userId);
pkgSetting.setUninstallReason(
install ? PackageManager.UNINSTALL_REASON_UNKNOWN :
PackageManager.UNINSTALL_REASON_USER_TYPE,
userId);
Slog.i(TAG, (install ? "Installed " : "Uninstalled ")
+ pkg.getPackageName() + " for user " + userId);
});
}
return true;
}
/**
* Returns whether to proceed with install/uninstall for the given package.
* In particular, do not install a package unless it was only uninstalled due to the user type;
* and do not uninstall a package if it previously was installed (prior to the OTA).
*
* Should be called only within PackageManagerInternal.forEachPackageSetting() since it
* requires the LP lock.
*
* @param preOtaPkgs list of packages on the device prior to the upgrade.
* Cannot be null if isUpgrade is true.
*/
private static boolean shouldChangeInstallationState(PackageSetting pkgSetting,
boolean install,
@UserIdInt int userId,
boolean isFirstBoot,
boolean isUpgrade,
@Nullable ArraySet<String> preOtaPkgs) {
if (install) {
// Only proceed with install if we are the only reason why it had been uninstalled.
return pkgSetting.getUninstallReason(userId)
== PackageManager.UNINSTALL_REASON_USER_TYPE;
} else {
// Only proceed with uninstall if the package is new to the device.
return isFirstBoot || (isUpgrade && !preOtaPkgs.contains(pkgSetting.name));
}
}
/**
* Checks whether the system packages and the mWhitelistedPackagesForUserTypes whitelist are
* in 1-to-1 correspondence.

4
services/tests/servicestests/src/com/android/server/pm/PackageUserStateTest.java
View File

@@ -84,6 +84,10 @@ public class PackageUserStateTest {
oldUserState = new PackageUserState();
oldUserState.suspended = true;
assertThat(testUserState.equals(oldUserState), is(false));
oldUserState = new PackageUserState();
oldUserState.uninstallReason = PackageManager.UNINSTALL_REASON_USER_TYPE;
assertThat(testUserState.equals(oldUserState), is(false));
}
@Test