83 lines
2.1 KiB
Go
83 lines
2.1 KiB
Go
/*
|
|
* Copyright (C) 2020-2022, IrineSistiana
|
|
*
|
|
* This file is part of mosdns.
|
|
*
|
|
* mosdns is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation, either version 3 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* mosdns is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program. If not, see <https://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
package arbitrary
|
|
|
|
import (
|
|
"bytes"
|
|
"context"
|
|
"fmt"
|
|
"github.com/IrineSistiana/mosdns/v5/coremain"
|
|
"github.com/IrineSistiana/mosdns/v5/pkg/query_context"
|
|
"github.com/IrineSistiana/mosdns/v5/pkg/zone_file"
|
|
"github.com/IrineSistiana/mosdns/v5/plugin/executable/sequence"
|
|
"os"
|
|
"strings"
|
|
)
|
|
|
|
const PluginType = "arbitrary"
|
|
|
|
func init() {
|
|
coremain.RegNewPluginFunc(PluginType, Init, func() any { return new(Args) })
|
|
}
|
|
|
|
type Args struct {
|
|
Rules []string `yaml:"rules"`
|
|
Files []string `yaml:"files"`
|
|
}
|
|
|
|
var _ sequence.Executable = (*Arbitrary)(nil)
|
|
|
|
type Arbitrary struct {
|
|
m *zone_file.Matcher
|
|
}
|
|
|
|
func NewArbitrary(args *Args) (*Arbitrary, error) {
|
|
m := new(zone_file.Matcher)
|
|
for i, s := range args.Rules {
|
|
if err := m.Load(strings.NewReader(s)); err != nil {
|
|
return nil, fmt.Errorf("failed to load rr #%d [%s], %w", i, s, err)
|
|
}
|
|
}
|
|
for i, file := range args.Files {
|
|
b, err := os.ReadFile(file)
|
|
if err != nil {
|
|
return nil, fmt.Errorf("failed to read file #%d [%s], %w", i, file, err)
|
|
}
|
|
if err := m.Load(bytes.NewReader(b)); err != nil {
|
|
return nil, fmt.Errorf("failed to load rr file #%d [%s], %w", i, file, err)
|
|
}
|
|
}
|
|
return &Arbitrary{
|
|
m: m,
|
|
}, nil
|
|
}
|
|
|
|
func (a *Arbitrary) Exec(_ context.Context, qCtx *query_context.Context) error {
|
|
if r := a.m.Reply(qCtx.Q()); r != nil {
|
|
qCtx.SetResponse(r)
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func Init(_ *coremain.BP, v any) (any, error) {
|
|
args := v.(*Args)
|
|
return NewArbitrary(args)
|
|
}
|