diff options
-rw-r--r-- | service/java/com/android/server/wifi/WifiServiceImpl.java | 41 |
1 files changed, 39 insertions, 2 deletions
diff --git a/service/java/com/android/server/wifi/WifiServiceImpl.java b/service/java/com/android/server/wifi/WifiServiceImpl.java index 740ef6e54..3cad492f5 100644 --- a/service/java/com/android/server/wifi/WifiServiceImpl.java +++ b/service/java/com/android/server/wifi/WifiServiceImpl.java @@ -541,6 +541,16 @@ public class WifiServiceImpl extends IWifiManager.Stub { "ConnectivityService"); } + private void enforceTetheringRestriction() { + // check if the user has the tethering restriction + UserManager um = UserManager.get(mContext); + UserHandle userHandle = Binder.getCallingUserHandle(); + Slog.d(TAG, "setWifiApEnabled - calling userId: " + userHandle.getIdentifier()); + if (um.hasUserRestriction(UserManager.DISALLOW_CONFIG_TETHERING, userHandle)) { + throw new SecurityException("DISALLOW_CONFIG_TETHERING is enabled for this user."); + } + } + /** * see {@link android.net.wifi.WifiManager#setWifiEnabled(boolean)} * @param enable {@code true} to enable, {@code false} to disable. @@ -591,11 +601,21 @@ public class WifiServiceImpl extends IWifiManager.Stub { * @param enabled true to enable and false to disable */ public void setWifiApEnabled(WifiConfiguration wifiConfig, boolean enabled) { + Slog.d(TAG, "setWifiApEnabled: " + enabled + " pid=" + Binder.getCallingPid() + + ", uid=" + Binder.getCallingUid()); enforceChangePermission(); ConnectivityManager.enforceTetherChangePermission(mContext); - if (mUserManager.hasUserRestriction(UserManager.DISALLOW_CONFIG_TETHERING)) { - throw new SecurityException("DISALLOW_CONFIG_TETHERING is enabled for this user."); + + // check if the user has the tethering restriction + enforceTetheringRestriction(); + Slog.d(TAG, "setWifiApEnabled - passed the config_tethering check"); + + // now check if this is the primary user + if (Binder.getCallingUserHandle().getIdentifier() != UserHandle.USER_OWNER) { + Slog.e(TAG, "Only the device owner can enable wifi tethering"); + return; } + // null wifiConfig is a meaningful input for CMD_SET_AP if (wifiConfig == null || isValid(wifiConfig)) { mWifiController.obtainMessage(CMD_SET_AP, enabled ? 1 : 0, 0, wifiConfig).sendToTarget(); @@ -623,6 +643,13 @@ public class WifiServiceImpl extends IWifiManager.Stub { */ public WifiConfiguration getWifiApConfiguration() { enforceAccessPermission(); + enforceTetheringRestriction(); + // now check if this is the primary user + if (Binder.getCallingUserHandle().getIdentifier() != UserHandle.USER_OWNER) { + Slog.e(TAG, "Only the device owner can retrieve the ap config"); + return null; + } + return mWifiStateMachine.syncGetWifiApConfiguration(); } @@ -650,7 +677,17 @@ public class WifiServiceImpl extends IWifiManager.Stub { * @param wifiConfig WifiConfiguration details for soft access point */ public void setWifiApConfiguration(WifiConfiguration wifiConfig) { + Slog.d(TAG, "setWifiApConfiguration: " + wifiConfig); enforceChangePermission(); + + enforceTetheringRestriction(); + + // now check if this is the primary user + if (Binder.getCallingUserHandle().getIdentifier() != UserHandle.USER_OWNER) { + Slog.e(TAG, "Only the device owner can set the ap config"); + return; + } + if (wifiConfig == null) return; if (isValid(wifiConfig)) { |