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@@ -22,7 +22,7 @@ func ApplyECH(c *Config, config *tls.Config) error {
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var err error
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nameToQuery := c.ServerName
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- var DOHServer string
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+ var DNSServer string
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// for client
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if len(c.EchConfigList) != 0 {
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@@ -37,19 +37,19 @@ func ApplyECH(c *Config, config *tls.Config) error {
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} else { // query config from dns
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parts := strings.Split(c.EchConfigList, "+")
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if len(parts) == 2 {
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- // parse ECH DOH server in format of "example.com+https://1.1.1.1/dns-query"
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+ // parse ECH DNS server in format of "example.com+https://1.1.1.1/dns-query"
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nameToQuery = parts[0]
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- DOHServer = parts[1]
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+ DNSServer = parts[1]
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} else if len(parts) == 1 {
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// normal format
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- DOHServer = parts[0]
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+ DNSServer = parts[0]
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} else {
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return errors.New("Invalid ECH DNS server format: ", c.EchConfigList)
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}
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if nameToQuery == "" {
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- return errors.New("Using DOH for ECH needs serverName or use dohServer format example.com+https://1.1.1.1/dns-query")
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+ return errors.New("Using DNS for ECH Config needs serverName or use Server format example.com+https://1.1.1.1/dns-query")
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}
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- ECHConfig, err = QueryRecord(nameToQuery, DOHServer)
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+ ECHConfig, err = QueryRecord(nameToQuery, DNSServer)
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if err != nil {
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return err
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}
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@@ -94,7 +94,7 @@ var (
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)
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// QueryRecord returns the ECH config for given domain.
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-// If the record is not in cache or expired, it will query the DOH server and update the cache.
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+// If the record is not in cache or expired, it will query the DNS server and update the cache.
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func QueryRecord(domain string, server string) ([]byte, error) {
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val, found := dnsCache.Load(domain)
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rec, _ := val.(record)
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@@ -114,9 +114,9 @@ func QueryRecord(domain string, server string) ([]byte, error) {
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return rec.echConfig, nil
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}
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- // Query ECH config from DOH server
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+ // Query ECH config from DNS server
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errors.LogDebug(context.Background(), "Trying to query ECH config for domain: ", domain, " with ECH server: ", server)
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- echConfig, ttl, err := dohQuery(server, domain)
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+ echConfig, ttl, err := dnsQuery(server, domain)
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if err != nil {
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return []byte{}, err
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}
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@@ -135,9 +135,9 @@ func QueryRecord(domain string, server string) ([]byte, error) {
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return echConfig, nil
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}
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-// dohQuery is the real func for sending type65 query for given domain to given DOH server.
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+// dnsQuery is the real func for sending type65 query for given domain to given DNS server.
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// return ECH config, TTL and error
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-func dohQuery(server string, domain string) ([]byte, uint32, error) {
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+func dnsQuery(server string, domain string) ([]byte, uint32, error) {
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m := new(dns.Msg)
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var dnsResolve []byte
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m.SetQuestion(dns.Fqdn(domain), dns.TypeHTTPS)
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