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Date:	Fri, 01 Aug 2014 13:16:09 +0200
From:	Jaroslav Šafka <>
Subject: iproute2 small patches for xfrm

I found the tool "ip xfrm" is not able to add "cipher_null" because there is 
no possibility to set key with zero length.

I solved it by this change:

-       if (slen > 2 && strncmp(key, "0x", 2) == 0) {
+       if (slen >= 2 && strncmp(key, "0x", 2) == 0) {

By this change you can specify key as "0x" which will pass for key existence 
and set key len to 0.

this patch is against version iproute2-3.14.0

Second patch enable use proto ip. Because it is supported by kernel.

Have a nice day :)


View attachment "cipher_null.patch" of type "text/x-patch" (464 bytes)

View attachment "proto_ip.patch" of type "text/x-patch" (350 bytes)

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