131 lines
2.8 KiB
Go
131 lines
2.8 KiB
Go
// SPDX-License-Identifier: BSD-3-Clause
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package main
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import (
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"encoding/json"
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"encoding/xml"
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"errors"
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"fmt"
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"os"
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"strconv"
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"strings"
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"time"
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"git.froth.zone/sam/awl/cli"
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"git.froth.zone/sam/awl/internal/helpers"
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"git.froth.zone/sam/awl/query"
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"gopkg.in/yaml.v2"
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)
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var version = "DEV"
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func main() {
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opts, err := cli.ParseCLI(version)
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if err != nil {
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// TODO: Make not ew
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if errors.Is(err, cli.ErrNotError) || strings.Contains(err.Error(), "help requested") {
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os.Exit(0)
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}
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opts.Logger.Error(err)
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os.Exit(1)
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}
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var resp helpers.Response
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// Retry queries if a query fails
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for i := 0; i < opts.Request.Retries; i++ {
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resp, err = query.CreateQuery(opts)
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if err == nil {
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break
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} else {
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opts.Logger.Warn("Retrying request, error", err)
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}
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}
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// Query failed, make it fail
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if err != nil {
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opts.Logger.Error(err)
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os.Exit(9)
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}
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switch {
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case opts.JSON:
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opts.Logger.Info("Printing as JSON")
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json, err := json.MarshalIndent(resp.DNS, "", " ")
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if err != nil {
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opts.Logger.Error(err)
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os.Exit(10)
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}
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fmt.Println(string(json))
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case opts.XML:
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opts.Logger.Info("Printing as XML")
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xml, err := xml.MarshalIndent(resp.DNS, "", " ")
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if err != nil {
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opts.Logger.Error(err)
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os.Exit(10)
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}
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fmt.Println(string(xml))
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case opts.YAML:
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opts.Logger.Info("Printing as YAML")
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yaml, err := yaml.Marshal(resp.DNS)
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if err != nil {
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opts.Logger.Error(err)
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os.Exit(10)
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}
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fmt.Println(string(yaml))
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default:
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if !opts.Short {
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// Print everything
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if !opts.Display.Question {
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resp.DNS.Question = nil
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opts.Logger.Info("Disabled question display")
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}
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if !opts.Display.Answer {
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resp.DNS.Answer = nil
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opts.Logger.Info("Disabled answer display")
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}
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if !opts.Display.Authority {
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resp.DNS.Ns = nil
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opts.Logger.Info("Disabled authority display")
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}
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if !opts.Display.Additional {
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resp.DNS.Extra = nil
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opts.Logger.Info("Disabled additional display")
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}
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fmt.Println(resp.DNS)
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if opts.Display.Statistics {
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fmt.Println(";; Query time:", resp.RTT)
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// Add extra information to server string
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var extra string
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switch {
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case opts.TCP:
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extra = ":" + strconv.Itoa(opts.Port) + " (TCP)"
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case opts.TLS:
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extra = ":" + strconv.Itoa(opts.Port) + " (TLS)"
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case opts.HTTPS, opts.DNSCrypt:
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extra = ""
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case opts.QUIC:
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extra = ":" + strconv.Itoa(opts.Port) + " (QUIC)"
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default:
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extra = ":" + strconv.Itoa(opts.Port) + " (UDP)"
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}
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fmt.Println(";; SERVER:", opts.Request.Server+extra)
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fmt.Println(";; WHEN:", time.Now().Format(time.RFC1123Z))
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fmt.Println(";; MSG SIZE rcvd:", resp.DNS.Len())
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}
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} else {
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// Print just the responses, nothing else
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for _, res := range resp.DNS.Answer {
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temp := strings.Split(res.String(), "\t")
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fmt.Println(temp[len(temp)-1])
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}
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}
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}
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}
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