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GUACAMOLE-362: Loop through reading bytes from key file.

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Nick Couchman
2017-10-10 22:29:38 -04:00
committed by Nick Couchman
parent 61f70c57be
commit c92d2e3598
1 changed files with 8 additions and 7 deletions
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15
guacamole-ext/src/main/java/org/apache/guacamole/properties/PrivateKeyGuacamoleProperty.java
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@@ -55,18 +55,19 @@ public abstract class PrivateKeyGuacamoleProperty implements GuacamoleProperty<P
InputStream keyInput = new BufferedInputStream(new FileInputStream(keyFile));
int keyLength = (int) keyFile.length();
final byte[] keyBytes = new byte[keyLength];
int keyRead = keyInput.read(keyBytes);
// Error reading any bytes out of the key.
if (keyRead == -1)
throw new GuacamoleServerException("Failed to get any bytes while reading key.");
int totalBytesRead = 0;
for(int keyRead = keyInput.read(keyBytes, 0, keyBytes.length);
keyRead >= 0;
keyRead = keyInput.read(keyBytes, totalBytesRead, (keyBytes.length - totalBytesRead))) {
totalBytesRead += keyRead;
}
// Zero-sized key
else if(keyRead == 0)
if (totalBytesRead == 0)
throw new GuacamoleServerException("Failed to ready key because key is empty.");
// Fewer bytes read than contained in the key
else if (keyRead < keyLength)
else if (totalBytesRead < keyLength)
throw new GuacamoleServerException("Unable to read the full length of the key.");
keyInput.close();