Test XFF ip extraction

foo.vtc

varnishtest "XFF test"


server s1 {} -start

varnish v1 -vcl+backend {
	sub vcl_recv {
		return (synth(200));
	}

	sub vcl_synth {
		set resp.http.x-cdn = regsub(req.http.xff, "([^,]+), *([^ ,]+)[ ,]?.*", "\2");
	}
} -start

client c1 {
	txreq -hdr "xff: 1.1.1.1, 2.2.2.2, 3.3.3.3"
	rxresp
	expect resp.http.x-cdn == "2.2.2.2"

	txreq -hdr "xff: 1.1.1.1,2.2.2.2        , 3.3.3.3 , 4.4.4.4"
	rxresp
	expect resp.http.x-cdn == "2.2.2.2"
} -run