Hesham/wireguard-android
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VpnService: Tweaks for ConfigUpdater to fix adding

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Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
This commit is contained in:
Samuel Holland 2017-08-16 00:56:53 -05:00
parent c3203ce90a
commit b60536222d
1 changed files with 9 additions and 4 deletions
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13
app/src/main/java/com/wireguard/android/VpnService.java
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@ -288,8 +288,9 @@ public class VpnService extends Service {
this.oldConfig = oldConfig;
this.shouldConnect = shouldConnect;
newName = newConfig.getName();
oldName = oldConfig.getName();
if (isRename() && configurations.containsKey(newName))
// When adding a config, "old file" and "new file" are the same thing.
oldName = oldConfig != null ? oldConfig.getName() : newName;
if (isAddOrRename() && configurations.containsKey(newName))
throw new IllegalStateException("Config " + newName + " already exists");
}
@ -298,7 +299,7 @@ public class VpnService extends Service {
Log.i(TAG, (oldConfig == null ? "Adding" : "Updating") + " config " + newName);
final File newFile = new File(getFilesDir(), newName + ".conf");
final File oldFile = new File(getFilesDir(), oldName + ".conf");
if (isRename() && newFile.exists()) {
if (isAddOrRename() && newFile.exists()) {
Log.w(TAG, "Refusing to overwrite existing config configuration");
return false;
}
@ -317,8 +318,12 @@ public class VpnService extends Service {
return true;
}
private boolean isAddOrRename() {
return oldConfig == null || !newName.equals(oldName);
}
private boolean isRename() {
return oldConfig != null && !newConfig.getName().equals(oldConfig.getName());
return oldConfig != null && !newName.equals(oldName);
}
@Override