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local ffi = require "ffi"
require "resty.openssl.include.x509"
require "resty.openssl.include.x509v3"
local altname_lib = require "resty.openssl.x509.altname"
local stack_lib = require "resty.openssl.stack"
local _M = {}
local stack_ptr_ct = ffi.typeof("OPENSSL_STACK*")
local STACK = "DIST_POINT"
local new = stack_lib.new_of(STACK)
local dup = stack_lib.dup_of(STACK)
-- TODO: return other attributes?
local cdp_decode_fullname = function(ctx)
return altname_lib.dup(ctx.distpoint.name.fullname)
end
local mt = stack_lib.mt_of(STACK, cdp_decode_fullname, _M)
function _M.new()
local ctx = new()
if ctx == nil then
return nil, "OPENSSL_sk_new_null() failed"
end
local self = setmetatable({
ctx = ctx,
_is_shallow_copy = false,
}, mt)
return self, nil
end
function _M.istype(l)
return l and l.cast and ffi.istype(stack_ptr_ct, l.cast)
end
function _M.dup(ctx)
if ctx == nil or not ffi.istype(stack_ptr_ct, ctx) then
return nil, "expect a stack ctx at #1"
end
local dup_ctx = dup(ctx)
return setmetatable({
ctx = dup_ctx,
-- don't let lua gc the original stack to keep its elements
_dupped_from = ctx,
_is_shallow_copy = true,
_elem_refs = {},
_elem_refs_idx = 1,
}, mt), nil
end
_M.all = function(stack)
local ret = {}
local _next = mt.__ipairs(stack)
while true do
local i, e = _next()
if i then
ret[i] = e
else
break
end
end
return ret
end
_M.each = mt.__ipairs
_M.index = mt.__index
_M.count = mt.__len
return _M
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