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prosody/spec/util_rfc6724_spec.lua

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local rfc6724 = require "util.rfc6724";
local new_ip = require"util.ip".new_ip;
describe("util.rfc6724", function()
describe("#source()", function()
it("should work", function()
assert.are.equal(rfc6724.source(new_ip("2001:db8:1::1", "IPv6"),
{new_ip("2001:db8:3::1", "IPv6"), new_ip("fe80::1", "IPv6")}).addr,
"2001:db8:3::1",
"prefer appropriate scope");
assert.are.equal(rfc6724.source(new_ip("ff05::1", "IPv6"),
{new_ip("2001:db8:3::1", "IPv6"), new_ip("fe80::1", "IPv6")}).addr,
"2001:db8:3::1",
"prefer appropriate scope");
assert.are.equal(rfc6724.source(new_ip("2001:db8:1::1", "IPv6"),
{new_ip("2001:db8:1::1", "IPv6"), new_ip("2001:db8:2::1", "IPv6")}).addr,
"2001:db8:1::1",
"prefer same address"); -- "2001:db8:1::1" should be marked "deprecated" here, we don't handle that right now
assert.are.equal(rfc6724.source(new_ip("fe80::1", "IPv6"),
{new_ip("fe80::2", "IPv6"), new_ip("2001:db8:1::1", "IPv6")}).addr,
"fe80::2",
"prefer appropriate scope"); -- "fe80::2" should be marked "deprecated" here, we don't handle that right now
assert.are.equal(rfc6724.source(new_ip("2001:db8:1::1", "IPv6"),
{new_ip("2001:db8:1::2", "IPv6"), new_ip("2001:db8:3::2", "IPv6")}).addr,
"2001:db8:1::2",
"longest matching prefix");
--[[ "2001:db8:1::2" should be a care-of address and "2001:db8:3::2" a home address, we can't handle this and would fail
assert.are.equal(rfc6724.source(new_ip("2001:db8:1::1", "IPv6"),
{new_ip("2001:db8:1::2", "IPv6"), new_ip("2001:db8:3::2", "IPv6")}).addr,
"2001:db8:3::2",
"prefer home address");
]]
assert.are.equal(rfc6724.source(new_ip("2002:c633:6401::1", "IPv6"),
{new_ip("2002:c633:6401::d5e3:7953:13eb:22e8", "IPv6"), new_ip("2001:db8:1::2", "IPv6")}).addr,
"2002:c633:6401::d5e3:7953:13eb:22e8",
"prefer matching label"); -- "2002:c633:6401::d5e3:7953:13eb:22e8" should be marked "temporary" here, we don't handle that right now
assert.are.equal(rfc6724.source(new_ip("2001:db8:1::d5e3:0:0:1", "IPv6"),
{new_ip("2001:db8:1::2", "IPv6"), new_ip("2001:db8:1::d5e3:7953:13eb:22e8", "IPv6")}).addr,
"2001:db8:1::d5e3:7953:13eb:22e8",
"prefer temporary address") -- "2001:db8:1::2" should be marked "public" and "2001:db8:1::d5e3:7953:13eb:22e8" should be marked "temporary" here, we don't handle that right now
end);
end);
describe("#destination()", function()
it("should work", function()
local order;
order = rfc6724.destination({new_ip("2001:db8:1::1", "IPv6"), new_ip("198.51.100.121", "IPv4")},
{new_ip("2001:db8:1::2", "IPv6"), new_ip("fe80::1", "IPv6"), new_ip("169.254.13.78", "IPv4")})
assert.are.equal(order[1].addr, "2001:db8:1::1", "prefer matching scope");
assert.are.equal(order[2].addr, "198.51.100.121", "prefer matching scope");
order = rfc6724.destination({new_ip("2001:db8:1::1", "IPv6"), new_ip("198.51.100.121", "IPv4")},
{new_ip("fe80::1", "IPv6"), new_ip("198.51.100.117", "IPv4")})
assert.are.equal(order[1].addr, "198.51.100.121", "prefer matching scope");
assert.are.equal(order[2].addr, "2001:db8:1::1", "prefer matching scope");
order = rfc6724.destination({new_ip("2001:db8:1::1", "IPv6"), new_ip("10.1.2.3", "IPv4")},
{new_ip("2001:db8:1::2", "IPv6"), new_ip("fe80::1", "IPv6"), new_ip("10.1.2.4", "IPv4")})
assert.are.equal(order[1].addr, "2001:db8:1::1", "prefer higher precedence");
assert.are.equal(order[2].addr, "10.1.2.3", "prefer higher precedence");
order = rfc6724.destination({new_ip("2001:db8:1::1", "IPv6"), new_ip("fe80::1", "IPv6")},
{new_ip("2001:db8:1::2", "IPv6"), new_ip("fe80::2", "IPv6")})
assert.are.equal(order[1].addr, "fe80::1", "prefer smaller scope");
assert.are.equal(order[2].addr, "2001:db8:1::1", "prefer smaller scope");
--[[ "2001:db8:1::2" and "fe80::2" should be marked "care-of address", while "2001:db8:3::1" should be marked "home address", we can't currently handle this and would fail the test
order = rfc6724.destination({new_ip("2001:db8:1::1", "IPv6"), new_ip("fe80::1", "IPv6")},
{new_ip("2001:db8:1::2", "IPv6"), new_ip("2001:db8:3::1", "IPv6"), new_ip("fe80::2", "IPv6")})
assert.are.equal(order[1].addr, "2001:db8:1::1", "prefer home address");
assert.are.equal(order[2].addr, "fe80::1", "prefer home address");
]]
--[[ "fe80::2" should be marked "deprecated", we can't currently handle this and would fail the test
order = rfc6724.destination({new_ip("2001:db8:1::1", "IPv6"), new_ip("fe80::1", "IPv6")},
{new_ip("2001:db8:1::2", "IPv6"), new_ip("fe80::2", "IPv6")})
assert.are.equal(order[1].addr, "2001:db8:1::1", "avoid deprecated addresses");
assert.are.equal(order[2].addr, "fe80::1", "avoid deprecated addresses");
]]
order = rfc6724.destination({new_ip("2001:db8:1::1", "IPv6"), new_ip("2001:db8:3ffe::1", "IPv6")},
{new_ip("2001:db8:1::2", "IPv6"), new_ip("2001:db8:3f44::2", "IPv6"), new_ip("fe80::2", "IPv6")})
assert.are.equal(order[1].addr, "2001:db8:1::1", "longest matching prefix");
assert.are.equal(order[2].addr, "2001:db8:3ffe::1", "longest matching prefix");
order = rfc6724.destination({new_ip("2002:c633:6401::1", "IPv6"), new_ip("2001:db8:1::1", "IPv6")},
{new_ip("2002:c633:6401::2", "IPv6"), new_ip("fe80::2", "IPv6")})
assert.are.equal(order[1].addr, "2002:c633:6401::1", "prefer matching label");
assert.are.equal(order[2].addr, "2001:db8:1::1", "prefer matching label");
order = rfc6724.destination({new_ip("2002:c633:6401::1", "IPv6"), new_ip("2001:db8:1::1", "IPv6")},
{new_ip("2002:c633:6401::2", "IPv6"), new_ip("2001:db8:1::2", "IPv6"), new_ip("fe80::2", "IPv6")})
assert.are.equal(order[1].addr, "2001:db8:1::1", "prefer higher precedence");
assert.are.equal(order[2].addr, "2002:c633:6401::1", "prefer higher precedence");
end);
end);
end);