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-rwxr-xr-xlib/talloc/test_magic_differs.sh16
1 files changed, 16 insertions, 0 deletions
diff --git a/lib/talloc/test_magic_differs.sh b/lib/talloc/test_magic_differs.sh
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+++ b/lib/talloc/test_magic_differs.sh
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+#!/bin/sh
+# This test ensures that two different talloc processes do not use the same
+# magic value to lessen the opportunity for transferrable attacks.
+
+echo "test: magic differs"
+
+helper=$1
+m1=$($helper)
+m2=$($helper)
+
+if [ $m1 -eq $m2 ]; then
+ echo "failure: magic remained the same between executions ($m1 vs $m2)"
+ exit 1
+fi
+
+echo "success: magic differs"