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Pull request: all: sup many ips in host rules

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Closes #1381.

Squashed commit of the following:

commit 44965f74d8becb27173cafc533e56e1cde484b59
Author: Ainar Garipov <A.Garipov@AdGuard.COM>
Date:   Thu Jun 17 13:54:44 2021 +0300

    dnsforward: imp code, docs

commit 23736cf9b407b668faade19b61739536caafff03
Author: Ainar Garipov <A.Garipov@AdGuard.COM>
Date:   Wed Jun 16 20:33:59 2021 +0300

    dnsforward: rm todo

commit ff086756160d72f3cdbe662862dd1fb447ac5ff3
Author: Ainar Garipov <A.Garipov@AdGuard.COM>
Date:   Wed Jun 16 20:32:01 2021 +0300

    all: sup many ips in host rules
This commit is contained in:
Ainar Garipov
2021-06-17 14:09:16 +03:00
parent 84e71e912e
commit 7547d3a422
7 changed files with 273 additions and 158 deletions
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60
internal/dnsforward/http.go
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@@ -29,21 +29,21 @@ type dnsConfig struct {
UpstreamsFile *string `json:"upstream_dns_file"`
Bootstraps *[]string `json:"bootstrap_dns"`
ProtectionEnabled *bool `json:"protection_enabled"`
RateLimit *uint32 `json:"ratelimit"`
BlockingMode *string `json:"blocking_mode"`
BlockingIPv4 net.IP `json:"blocking_ipv4"`
BlockingIPv6 net.IP `json:"blocking_ipv6"`
EDNSCSEnabled *bool `json:"edns_cs_enabled"`
DNSSECEnabled *bool `json:"dnssec_enabled"`
DisableIPv6 *bool `json:"disable_ipv6"`
UpstreamMode *string `json:"upstream_mode"`
CacheSize *uint32 `json:"cache_size"`
CacheMinTTL *uint32 `json:"cache_ttl_min"`
CacheMaxTTL *uint32 `json:"cache_ttl_max"`
ResolveClients *bool `json:"resolve_clients"`
UsePrivateRDNS *bool `json:"use_private_ptr_resolvers"`
LocalPTRUpstreams *[]string `json:"local_ptr_upstreams"`
ProtectionEnabled *bool `json:"protection_enabled"`
RateLimit *uint32 `json:"ratelimit"`
BlockingMode *BlockingMode `json:"blocking_mode"`
BlockingIPv4 net.IP `json:"blocking_ipv4"`
BlockingIPv6 net.IP `json:"blocking_ipv6"`
EDNSCSEnabled *bool `json:"edns_cs_enabled"`
DNSSECEnabled *bool `json:"dnssec_enabled"`
DisableIPv6 *bool `json:"disable_ipv6"`
UpstreamMode *string `json:"upstream_mode"`
CacheSize *uint32 `json:"cache_size"`
CacheMinTTL *uint32 `json:"cache_ttl_min"`
CacheMaxTTL *uint32 `json:"cache_ttl_max"`
ResolveClients *bool `json:"resolve_clients"`
UsePrivateRDNS *bool `json:"use_private_ptr_resolvers"`
LocalPTRUpstreams *[]string `json:"local_ptr_upstreams"`
}
func (s *Server) getDNSConfig() dnsConfig {
@@ -126,27 +126,17 @@ func (req *dnsConfig) checkBlockingMode() bool {
return true
}
bm := *req.BlockingMode
if bm == "custom_ip" {
if req.BlockingIPv4.To4() == nil {
return false
}
return req.BlockingIPv6 != nil
switch bm := *req.BlockingMode; bm {
case BlockingModeDefault,
BlockingModeREFUSED,
BlockingModeNXDOMAIN,
BlockingModeNullIP:
return true
case BlockingModeCustomIP:
return req.BlockingIPv4.To4() != nil && req.BlockingIPv6 != nil
default:
return false
}
for _, valid := range []string{
"default",
"refused",
"nxdomain",
"null_ip",
} {
if bm == valid {
return true
}
}
return false
}
func (req *dnsConfig) checkUpstreamsMode() bool {