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Code Issues Releases Activity

Feat: DNS hosts support multiple addresses

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This commit is contained in:
秋のかえで
2021-04-11 23:07:48 +08:00
parent 598e15aed2
commit 7cf30d5101
7 changed files with 106 additions and 31 deletions
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12
app/dns/hosts.go
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@ -47,6 +47,9 @@ func NewStaticHosts(hosts []*Config_HostMapping, legacy map[string]*net.IPOrDoma
id := g.Add(matcher)
ips := make([]net.Address, 0, len(mapping.Ip)+1)
switch {
case len(mapping.ProxiedDomain) > 0:
ips = append(ips, net.DomainAddress(mapping.ProxiedDomain))
case len(mapping.Ip) > 0:
for _, ip := range mapping.Ip {
addr := net.IPAddress(ip)
@ -56,18 +59,10 @@ func NewStaticHosts(hosts []*Config_HostMapping, legacy map[string]*net.IPOrDoma
ips = append(ips, addr)
}
case len(mapping.ProxiedDomain) > 0:
ips = append(ips, net.DomainAddress(mapping.ProxiedDomain))
default:
return nil, newError("neither IP address nor proxied domain specified for domain: ", mapping.Domain).AtWarning()
}
// Special handling for localhost IPv6. This is a dirty workaround as JSON config supports only single IP mapping.
if len(ips) == 1 && ips[0] == net.LocalHostIP {
ips = append(ips, net.LocalHostIPv6)
}
sh.ips[id] = ips
}
@ -100,6 +95,7 @@ func (h *StaticHosts) lookup(domain string, option *dns.IPOption, maxDepth int)
case len(addrs) == 0: // Not recorded in static hosts, return nil
return nil
case len(addrs) == 1 && addrs[0].Family().IsDomain(): // Try to unwrap domain
newError("found replaced domain: ", domain, " -> ", addrs[0].Domain(), ". Try to unwrap it").AtDebug().WriteToLog()
if maxDepth > 0 {
unwrapped := h.lookup(addrs[0].Domain(), option, maxDepth-1)
if unwrapped != nil {