f91de2ecd6
I develop this diff while working on https://github.com/ooni/probe/issues/1803#issuecomment-957323297. While there, make sure we don't have duplicate bogon code and always use the code inside netxlite.
32 lines
771 B
Go
32 lines
771 B
Go
package resolver
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import (
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"context"
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"github.com/ooni/probe-cli/v3/internal/netxlite"
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)
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// BogonResolver is a bogon aware resolver. When a bogon is encountered in
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// a reply, this resolver will return an error.
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//
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// Deprecation warning
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//
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// This resolver is deprecated. The right thing to do would be to check
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// for bogons right after a domain name resolution in the nettest.
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type BogonResolver struct {
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Resolver
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}
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// LookupHost implements Resolver.LookupHost
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func (r BogonResolver) LookupHost(ctx context.Context, hostname string) ([]string, error) {
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addrs, err := r.Resolver.LookupHost(ctx, hostname)
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for _, addr := range addrs {
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if netxlite.IsBogon(addr) {
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return nil, netxlite.ErrDNSBogon
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}
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}
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return addrs, err
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}
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var _ Resolver = BogonResolver{}
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