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authorRene Treffer <treffer@measite.de>2014-04-03 10:51:05 +0200
committerRene Treffer <treffer@measite.de>2014-04-03 10:51:05 +0200
commit921674b3f1585dde76d13f181abcfc6d49bd737d (patch)
tree3b5a3a1ca876fb836a029620fea8c995954ff520 /src/de/measite/minidns/util
parent8a8a7f3b0dd7928802a97e346b307bb06fdb3322 (diff)
Fix negative jump targets
Diffstat (limited to 'src/de/measite/minidns/util')
-rw-r--r--src/de/measite/minidns/util/NameUtil.java2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/de/measite/minidns/util/NameUtil.java b/src/de/measite/minidns/util/NameUtil.java
index a7edc22a..91a6649d 100644
--- a/src/de/measite/minidns/util/NameUtil.java
+++ b/src/de/measite/minidns/util/NameUtil.java
@@ -70,7 +70,7 @@ public class NameUtil {
) {
int c = data[offset] & 0xff;
if ((c & 0xc0) == 0xc0) {
- c = ((c & 0x3f) << 8) + data[offset + 1];
+ c = ((c & 0x3f) << 8) + (data[offset + 1] & 0xff);
if (jumps.contains(c)) {
throw new IllegalStateException("Cyclic offsets detected.");
}