38 lines
980 B
Go
38 lines
980 B
Go
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package main
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import (
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"strings"
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"github.com/miekg/dns"
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"github.com/urfave/cli/v2"
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)
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func (hub *Hub) Lookup(c *cli.Context) error {
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hub.prepareQuestions()
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err := hub.Resolver.Lookup(hub.Questions)
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if err != nil {
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hub.Logger.Error(err)
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}
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return nil
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}
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// prepareQuestions iterates on list of domain names
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// and prepare a list of questions
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// sent to the server with all possible combinations.
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func (hub *Hub) prepareQuestions() {
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var question dns.Question
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for _, name := range hub.QueryFlags.QNames.Value() {
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question.Name = dns.Fqdn(name)
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// iterate on a list of query types.
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for _, q := range hub.QueryFlags.QTypes.Value() {
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question.Qtype = dns.StringToType[strings.ToUpper(q)]
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// iterate on a list of query classes.
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for _, c := range hub.QueryFlags.QClasses.Value() {
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question.Qclass = dns.StringToClass[strings.ToUpper(c)]
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// append a new question for each possible pair.
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hub.Questions = append(hub.Questions, question)
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}
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}
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}
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}
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