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Add strict mode feature flag for low target sdk

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Use the new MinInstallableTargetSdk__install_block_strict_mode_enabled
feature flag to no longer give exemptions to install blocks when
strict mode is enabled for:

1) All installs from adb
2) Any install where the installer package name is null
   (not installed from a store)

Bug: 237321649
Test: adb shell device_config put package_manager_service MinInstallableTargetSdk__install_block_strict_mode_enabled true
Test: adb shell device_config put package_manager_service MinInstallableTargetSdk__strict_mode_target_sdk 23
Test: adb install ~/install_target_sdk_22.apk (install blocked)
Test: adb install --bypass-low-target-sdk-block ~/install_target_sdk_22.apk  (install successful)
Test: adb shell device_config put package_manager_service MinInstallableTargetSdk__install_block_strict_mode_enabled false
Test: adb install ~/install_target_sdk_22.apk (install successful)
Change-Id: Ie6d44b5f16bf7dd35d3c75f51a9c94fd4ef9dcb6
This commit is contained in:
Nick Kovacs
2023-01-18 01:15:00 +00:00
parent da6a7efe3f
commit 940c1aa56a
1 changed files with 15 additions and 2 deletions
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17
services/core/java/com/android/server/pm/InstallPackageHelper.java
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@@ -1083,19 +1083,32 @@ final class InstallPackageHelper {
"MinInstallableTargetSdk__min_installable_target_sdk", "MinInstallableTargetSdk__min_installable_target_sdk",
0); 0);
// Determine if enforcement is in strict mode
boolean strictMode = false;
if (DeviceConfig.getBoolean(DeviceConfig.NAMESPACE_PACKAGE_MANAGER_SERVICE,
"MinInstallableTargetSdk__install_block_strict_mode_enabled",
false)) {
if (parsedPackage.getTargetSdkVersion()
< DeviceConfig.getInt(DeviceConfig.NAMESPACE_PACKAGE_MANAGER_SERVICE,
"MinInstallableTargetSdk__strict_mode_target_sdk",
0)) {
strictMode = true;
}
}
// Skip enforcement when the bypass flag is set // Skip enforcement when the bypass flag is set
boolean bypassLowTargetSdkBlock = boolean bypassLowTargetSdkBlock =
((installFlags & PackageManager.INSTALL_BYPASS_LOW_TARGET_SDK_BLOCK) != 0); ((installFlags & PackageManager.INSTALL_BYPASS_LOW_TARGET_SDK_BLOCK) != 0);
// Skip enforcement for tests that were installed from adb // Skip enforcement for tests that were installed from adb
if (!bypassLowTargetSdkBlock if (!strictMode && !bypassLowTargetSdkBlock
&& ((installFlags & PackageManager.INSTALL_FROM_ADB) != 0)) { && ((installFlags & PackageManager.INSTALL_FROM_ADB) != 0)) {
bypassLowTargetSdkBlock = true; bypassLowTargetSdkBlock = true;
} }
// Skip enforcement if the installer package name is not set // Skip enforcement if the installer package name is not set
// (e.g. "pm install" from shell) // (e.g. "pm install" from shell)
if (!bypassLowTargetSdkBlock) { if (!strictMode && !bypassLowTargetSdkBlock) {
if (request.getInstallerPackageName() == null) { if (request.getInstallerPackageName() == null) {
bypassLowTargetSdkBlock = true; bypassLowTargetSdkBlock = true;
} else { } else {