Android/frameworks_base
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Merge "Prevent apps from querying other apps without permission"

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This commit is contained in:
Sumedh Sen
2022-06-08 17:32:33 +00:00
committed by Android (Google) Code Review
parent d86633c941 a3efd4745c
commit 1eeae82628
1 changed files with 15 additions and 7 deletions
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22
packages/PackageInstaller/src/com/android/packageinstaller/PackageInstallerActivity.java
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@@ -41,6 +41,7 @@ import android.content.pm.PackageInfo;
import android.content.pm.PackageInstaller;
import android.content.pm.PackageManager;
import android.content.pm.PackageManager.NameNotFoundException;
import android.content.pm.UserInfo;
import android.net.Uri;
import android.os.Bundle;
import android.os.Process;
@@ -546,20 +547,27 @@ public class PackageInstallerActivity extends AlertActivity {
*/
private boolean processPackageUri(final Uri packageUri) {
mPackageURI = packageUri;
final String scheme = packageUri.getScheme();
final String packageName = packageUri.getSchemeSpecificPart();
if (mLocalLOGV) Log.i(TAG, "processPackageUri(): uri=" + packageUri + ", scheme=" + scheme);
switch (scheme) {
case SCHEME_PACKAGE: {
try {
mPkgInfo = mPm.getPackageInfo(packageUri.getSchemeSpecificPart(),
PackageManager.GET_PERMISSIONS
| PackageManager.MATCH_UNINSTALLED_PACKAGES);
} catch (NameNotFoundException e) {
for (UserInfo info : mUserManager.getUsers()) {
PackageManager pmForUser = createContextAsUser(info.getUserHandle(), 0)
.getPackageManager();
try {
if (pmForUser.canPackageQuery(mCallingPackage, packageName)) {
mPkgInfo = pmForUser.getPackageInfo(packageName,
PackageManager.GET_PERMISSIONS
| PackageManager.MATCH_UNINSTALLED_PACKAGES);
}
} catch (NameNotFoundException e) {
}
}
if (mPkgInfo == null) {
Log.w(TAG, "Requested package " + packageUri.getScheme()
Log.w(TAG, "Requested package " + packageUri.getSchemeSpecificPart()
+ " not available. Discontinuing installation");
showDialogInner(DLG_PACKAGE_ERROR);
setPmResult(PackageManager.INSTALL_FAILED_INVALID_APK);