관리-도구

편집 파일: bio.lua

local ffi = require "ffi" local C = ffi.C local ffi_gc = ffi.gc local ffi_new = ffi.new local ffi_str = ffi.string require "resty.openssl.include.bio" local format_error = require("resty.openssl.err").format_error local function read_wrap(f, ...) if type(f) ~= "cdata" then -- should be explictly a function return nil, "bio_util.read_wrap: expect a function at #1" end local bio_method = C.BIO_s_mem() if bio_method == nil then return nil, "bio_util.read_wrap: BIO_s_mem() failed" end local bio = C.BIO_new(bio_method) ffi_gc(bio, C.BIO_free) -- BIO_reset; #define BIO_CTRL_RESET 1 local code = C.BIO_ctrl(bio, 1, 0, nil) if code ~= 1 then return nil, "bio_util.read_wrap: BIO_ctrl() failed: " .. code end local code = f(bio, ...) if code ~= 1 then return nil, format_error(f, code) end local buf = ffi_new("char *[1]") -- BIO_get_mem_data; #define BIO_CTRL_INFO 3 local length = C.BIO_ctrl(bio, 3, 0, buf) return ffi_str(buf[0], length) end return { read_wrap = read_wrap, }