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87 lines
1.5 KiB
87 lines
1.5 KiB
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local handlers = { };
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local finalisers = { };
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local id = function (v) return v end
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function handlers.options(a, k, b)
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local o = a[k] or { };
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if type(b) ~= "table" then b = { b } end
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for k,v in pairs(b) do
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if v == true or v == false then
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o[k] = v;
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else
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o[v] = true;
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end
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end
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a[k] = o;
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end
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handlers.verify = handlers.options;
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handlers.verifyext = handlers.options;
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function finalisers.options(a)
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local o = {};
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for opt, enable in pairs(a) do
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if enable then
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o[#o+1] = opt;
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end
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end
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return o;
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end
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finalisers.verify = finalisers.options;
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finalisers.verifyext = finalisers.options;
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function finalisers.ciphers(a)
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if type(a) == "table" then
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return table.concat(a, ":");
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end
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return a;
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end
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local protocols = { "sslv2", "sslv3", "tlsv1", "tlsv1_1", "tlsv1_2" };
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for i = 1, #protocols do protocols[protocols[i] .. "+"] = i - 1; end
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local function protocol(a)
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local min_protocol = protocols[a.protocol];
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if min_protocol then
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a.protocol = "sslv23";
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for i = 1, min_protocol do
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table.insert(a.options, "no_"..protocols[i]);
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end
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end
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end
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local function apply(a, b)
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if type(b) == "table" then
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for k,v in pairs(b) do
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(handlers[k] or rawset)(a, k, v);
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end
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end
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end
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local function final(a)
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local f = { };
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for k,v in pairs(a) do
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f[k] = (finalisers[k] or id)(v);
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end
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protocol(f);
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return f;
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end
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local sslopts_mt = {
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__index = {
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apply = apply;
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final = final;
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};
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};
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local function new()
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return setmetatable({options={}}, sslopts_mt);
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end
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return {
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apply = apply;
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final = final;
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new = new;
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};
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