85 lines
2.2 KiB
Go
85 lines
2.2 KiB
Go
/*
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* Copyright (C) 2020-2022, IrineSistiana
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*
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* This file is part of mosdns.
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*
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* mosdns is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* mosdns is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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package nftset
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import (
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"fmt"
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"github.com/IrineSistiana/mosdns/v5/plugin/executable/sequence"
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"strconv"
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"strings"
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)
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const PluginType = "nftset"
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func init() {
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sequence.MustRegExecQuickSetup(PluginType, QuickSetup)
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}
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var _ sequence.Executable = (*nftSetPlugin)(nil)
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type Args struct {
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IPv4 SetArgs `yaml:"ipv4"`
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IPv6 SetArgs `yaml:"ipv6"`
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}
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type SetArgs struct {
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TableFamily string `yaml:"table_family"`
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Table string `yaml:"table_name"`
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Set string `yaml:"set_name"`
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Mask int `yaml:"mask"`
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}
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// QuickSetup format: [{ip|ip6|inet},table_name,set_name,{ipv4_addr|ipv6_addr},mask] *2 (can repeat once)
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// e.g. "inet,my_table,my_set,ipv4_addr,24 inet,my_table,my_set,ipv6_addr,48"
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func QuickSetup(_ sequence.BQ, s string) (any, error) {
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fs := strings.Fields(s)
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if len(fs) > 2 {
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return nil, fmt.Errorf("expect no more than 2 fields, got %d", len(fs))
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}
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args := new(Args)
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for _, argsStr := range fs {
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ss := strings.Split(argsStr, ",")
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if len(ss) != 5 {
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return nil, fmt.Errorf("invalid args, expect 5 fields, got %d", len(ss))
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}
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m, err := strconv.Atoi(ss[4])
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if err != nil {
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return nil, fmt.Errorf("invalid mask, %w", err)
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}
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sa := SetArgs{
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TableFamily: ss[0],
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Table: ss[1],
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Set: ss[2],
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Mask: m,
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}
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switch ss[3] {
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case "ipv4_addr":
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args.IPv4 = sa
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case "ipv6_addr":
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args.IPv6 = sa
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default:
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return nil, fmt.Errorf("invalid ip type, %s", ss[0])
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}
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}
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return newNftSetPlugin(args)
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}
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