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Chore: Better parsing pure IPv6 UDP DNS

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This commit is contained in:
Larvan2 2023-01-27 15:08:05 +08:00
parent f7538568c0
commit d3193cf8b7
1 changed files with 8 additions and 3 deletions
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11
config/config.go
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@ -940,10 +940,15 @@ func parsePureDNSServer(server string) (string, bool) {
addPre := func(server string) string {
return "udp://" + server
}
//IPv6 server without "[" and "]" e.g., "2400:3200:baba::1"
if strings.Count(server, ":") >= 2 && strings.Count(server, "[") == 0 && strings.Count(server, "]") == 0 {
server = "[" + server + "]:53"
}
if ip := net.ParseIP(server); ip == nil {
// parse without scheme .e.g 8.8.8.8:53
if strings.Contains(server,"://") {
if strings.Contains(server, "://") {
return server, true
}
if addr, err := net.ResolveUDPAddr("", server); err == nil {
@ -952,7 +957,7 @@ func parsePureDNSServer(server string) (string, bool) {
return addPre(server), false
}
} else {
return addPre(net.JoinHostPort(ip.String(), "53")), true
return addPre(server), true
}
}
func parseNameServerPolicy(nsPolicy map[string]string, preferH3 bool) (map[string]dns.NameServer, error) {