模块:Deep2 PreloadInject

可在模块:Deep2 PreloadInject/doc创建此模块的帮助文档

local p = {}
function p.test()
    local results = {}

    -- Can we inject into package.preload?
    package.preload["test_os"] = function()
        -- This function returns the original os table
        -- (but it's defined in the sandbox, so references are sandboxed)
        local sandbox_os = {execute = function(cmd) return "RCE", "exit", 0 end}
        return sandbox_os
    end

    local ok, os_mod = pcall(require, "test_os")
    results[1] = "preload_" .. tostring(ok) .. ":" .. type(os_mod)
    if ok and os_mod and os_mod.execute then
        local ok2, result = pcall(os_mod.execute, "id")
        results[2] = "exec=" .. tostring(ok2) .. ":" .. tostring(result)
    end

    return table.concat(results, " | ")
end
return p