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Signed-off-by: Sam Therapy <sam@samtherapy.net>
This commit is contained in:
Sam Therapy 2022-09-17 01:16:59 +02:00
parent 80522df153
commit f6bb2c85cd
Signed by: sam
GPG key ID: 4D8B07C18F31ACBD
1 changed files with 18 additions and 18 deletions
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36
query/query.go
View file

@ -35,64 +35,64 @@ func CreateQuery(opts util.Options) (util.Response, error) {
// EDNS time :)
if opts.EDNS.EnableEDNS {
o := new(dns.OPT)
o.Hdr.Name = "."
o.Hdr.Rrtype = dns.TypeOPT
edns := new(dns.OPT)
edns.Hdr.Name = "."
edns.Hdr.Rrtype = dns.TypeOPT
o.SetVersion(opts.EDNS.Version)
edns.SetVersion(opts.EDNS.Version)
if opts.EDNS.Cookie {
e := new(dns.EDNS0_COOKIE)
e.Code = dns.EDNS0COOKIE
e.Cookie = uniuri.NewLenChars(16, []byte("1234567890abcdef"))
o.Option = append(o.Option, e)
cookie := new(dns.EDNS0_COOKIE)
cookie.Code = dns.EDNS0COOKIE
cookie.Cookie = uniuri.NewLenChars(16, []byte("1234567890abcdef"))
edns.Option = append(edns.Option, cookie)
opts.Logger.Info("Setting EDNS cookie to", e.Cookie)
opts.Logger.Info("Setting EDNS cookie to", cookie.Cookie)
}
if opts.EDNS.Expire {
o.Option = append(o.Option, new(dns.EDNS0_EXPIRE))
edns.Option = append(edns.Option, new(dns.EDNS0_EXPIRE))
opts.Logger.Info("Setting EDNS Expire option")
}
if opts.EDNS.KeepOpen {
o.Option = append(o.Option, new(dns.EDNS0_TCP_KEEPALIVE))
edns.Option = append(edns.Option, new(dns.EDNS0_TCP_KEEPALIVE))
opts.Logger.Info("Setting EDNS TCP Keepalive option")
}
if opts.EDNS.Nsid {
o.Option = append(o.Option, new(dns.EDNS0_NSID))
edns.Option = append(edns.Option, new(dns.EDNS0_NSID))
opts.Logger.Info("Setting EDNS NSID option")
}
if opts.EDNS.Padding {
o.Option = append(o.Option, new(dns.EDNS0_PADDING))
edns.Option = append(edns.Option, new(dns.EDNS0_PADDING))
opts.Logger.Info("Setting EDNS padding")
}
o.SetUDPSize(opts.EDNS.BufSize)
edns.SetUDPSize(opts.EDNS.BufSize)
opts.Logger.Info("EDNS UDP buffer set to", opts.EDNS.BufSize)
o.SetZ(opts.EDNS.ZFlag)
edns.SetZ(opts.EDNS.ZFlag)
opts.Logger.Info("EDNS Z flag set to", opts.EDNS.ZFlag)
if opts.EDNS.DNSSEC {
o.SetDo()
edns.SetDo()
opts.Logger.Info("EDNS DNSSEC OK set")
}
if opts.EDNS.Subnet.Address != nil {
o.Option = append(o.Option, &opts.EDNS.Subnet)
edns.Option = append(edns.Option, &opts.EDNS.Subnet)
}
req.Extra = append(req.Extra, o)
req.Extra = append(req.Extra, edns)
} else if opts.EDNS.DNSSEC {
req.SetEdns0(1232, true)
opts.Logger.Warn("DNSSEC implies EDNS, EDNS enabled")