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libjail.lua
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Editing: libjail.lua
#!/usr/libexec/flua --[[ /*- * SPDX-License-Identifier: BSD-2-Clause * * Copyright (c) 2020, Ryan Moeller <freqlabs@FreeBSD.org> * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * $FreeBSD$ */ ]]-- jail = require("jail") ucl = require("ucl") name = "demo" -- Create a persistent jail named "demo" with all other parameters default. jid, err = jail.setparams(name, {persist = "true"}, jail.CREATE) if not jid then error(err) end -- Get a list of all known jail parameter names. allparams = jail.allparams() -- Get all the parameters of the jail we created. jid, res = jail.getparams(name, allparams) if not jid then error(res) end -- Display the jail's parameters as a pretty-printed JSON object. print(ucl.to_json(res)) -- Update the "persist" parameter to "false" to remove the jail. jid, err = jail.setparams(name, {persist = "false"}, jail.UPDATE) if not jid then error(err) end
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