Virgin import of ntpd 4.2.6p5.vendor/ntp/4.2.6p5

When the series of commits is complete, things like
https://cert.litnet.lt/en/docs/ntp-distributed-reflection-dos-attacks
should be fixed.

PR:		bin/148836 (except that we import a newer version)
Asked by:	Too many
MFC after:	2 weeks

1 files changed, 22 insertions, 0 deletions

diff --git a/scripts/check--help b/scripts/check--help
new file mode 100755
index 000000000000..1524675b4473
--- /dev/null
+++ b/scripts/check--help
@@ -0,0 +1,22 @@
+#! /bin/sh
+
+# Look at the file specified in $1 to see if it contains 'no --help'.
+# If it does:
+# - Squawk
+# - rename the file to ($1)-
+# - exit with a non-zero status.
+# otherwise:
+# - exit with a 0 status.
+
+if test ! -f $1
+then
+	echo "$0: $1 is not a regular file!" 2>&3
+	exit 1
+fi
+
+if grep -q 'no --help' $1
+then
+	echo "$0: $1 contains 'no --help'!" 2>&3
+	mv ${1} ${1}-
+	exit 1
+fi