gfwleak/modikai-edns-svcb-https
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programs for edns, svcb, https support measurement

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MDK
2024-03-25 17:15:25 +08:00
commit 7115311c42
10 changed files with 517 additions and 0 deletions
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63
method/svcb.go Normal file
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package method
import (
"edns_svcb/utils"
"github.com/miekg/dns"
)
func HTTPSSupportTest(addr string) TestResult {
_, err := utils.DNSQuery(addr, utils.DNSOptions{Domain: "www.example.net", RD: true})
if err != nil {
return TestResult{Err: err}
}
res, err := utils.DNSQuery(addr, utils.DNSOptions{Domain: "blog.cloudflare.com", Qtype: dns.TypeHTTPS, RD: true})
if err == nil {
if len(res.Answer) == 1 {
if _, ok := res.Extra[0].(*dns.HTTPS); ok {
return TestResult{Alive: true, Support: true}
}
}
}
return TestResult{Alive: true}
}
func SVCBSupportTest(addr string) TestResult {
_, err := utils.DNSQuery(addr, utils.DNSOptions{Domain: "www.example.net", RD: true})
if err != nil {
return TestResult{Err: err}
}
res, err := utils.DNSQuery(addr, utils.DNSOptions{Domain: "blog.cloudflare.com", Qtype: dns.TypeSVCB, RD: true})
if err == nil {
if len(res.Answer) == 1 {
if _, ok := res.Extra[0].(*dns.SVCB); ok {
return TestResult{Alive: true, Support: true}
}
}
}
return TestResult{Alive: true}
}
func HTTPSRecordTest(addr, domain string) bool {
res, err := utils.DNSQuery(addr, utils.DNSOptions{Domain: domain, Qtype: dns.TypeHTTPS, RD: true})
if err == nil {
if len(res.Answer) > 0 {
if _, ok := res.Answer[0].(*dns.HTTPS); ok {
return true
}
}
}
return false
}
func SVCBRecordTest(addr, domain string) bool {
res, err := utils.DNSQuery(addr, utils.DNSOptions{Domain: domain, Qtype: dns.TypeSVCB, RD: true})
if err == nil {
if len(res.Answer) > 0 {
if _, ok := res.Answer[0].(*dns.SVCB); ok {
return true
}
}
}
return false
}