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6996192: Console.readPassword race: input echo off must be prior to writing prompt

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To turn off echo before prompt

Reviewed-by: alanb
This commit is contained in:
Xueming Shen 2011-02-11 17:09:35 -08:00
parent 3cda6b5fd0
commit 05a3d3acb6
1 changed files with 16 additions and 4 deletions
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20
jdk/src/share/classes/java/io/Console.java
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@ -308,17 +308,29 @@ public final class Console implements Flushable
char[] passwd = null;
synchronized (writeLock) {
synchronized(readLock) {
if (fmt.length() != 0)
pw.format(fmt, args);
try {
echoOff = echo(false);
passwd = readline(true);
} catch (IOException x) {
throw new IOError(x);
}
IOError ioe = null;
try {
if (fmt.length() != 0)
pw.format(fmt, args);
passwd = readline(true);
} catch (IOException x) {
ioe = new IOError(x);
} finally {
try {
echoOff = echo(true);
} catch (IOException xx) {}
} catch (IOException x) {
if (ioe == null)
ioe = new IOError(x);
else
ioe.addSuppressed(x);
}
if (ioe != null)
throw ioe;
}
pw.println();
}