mirror of
https://github.com/AdguardTeam/AdGuardHome.git
synced 2024-11-16 02:18:28 -07:00
9a03190a62
1. Added --workdir command-line argument that lets configure the working dir. 2. Made "dnsforward" use this workdir parameter when saving/reading querylog. 3. Reworked "dnsforward" -- moved http handlers out of there to control.go
106 lines
2.6 KiB
Go
106 lines
2.6 KiB
Go
package main
|
|
|
|
import (
|
|
"fmt"
|
|
"net"
|
|
"os"
|
|
|
|
"github.com/AdguardTeam/AdGuardHome/dnsfilter"
|
|
"github.com/AdguardTeam/AdGuardHome/dnsforward"
|
|
"github.com/AdguardTeam/dnsproxy/upstream"
|
|
"github.com/hmage/golibs/log"
|
|
"github.com/joomcode/errorx"
|
|
)
|
|
|
|
var dnsServer *dnsforward.Server
|
|
|
|
// initDNSServer creates an instance of the dnsforward.Server
|
|
// Please note that we must do it even if we don't start it
|
|
// so that we had access to the query log and the stats
|
|
func initDNSServer(baseDir string) {
|
|
err := os.MkdirAll(baseDir, 0755)
|
|
if err != nil {
|
|
log.Fatalf("Cannot create DNS data dir at %s: %s", baseDir, err)
|
|
}
|
|
|
|
dnsServer = dnsforward.NewServer(baseDir)
|
|
}
|
|
|
|
func isRunning() bool {
|
|
return dnsServer != nil && dnsServer.IsRunning()
|
|
}
|
|
|
|
func generateServerConfig() dnsforward.ServerConfig {
|
|
filters := []dnsfilter.Filter{}
|
|
userFilter := userFilter()
|
|
filters = append(filters, dnsfilter.Filter{
|
|
ID: userFilter.ID,
|
|
Rules: userFilter.Rules,
|
|
})
|
|
for _, filter := range config.Filters {
|
|
filters = append(filters, dnsfilter.Filter{
|
|
ID: filter.ID,
|
|
Rules: filter.Rules,
|
|
})
|
|
}
|
|
|
|
newconfig := dnsforward.ServerConfig{
|
|
UDPListenAddr: &net.UDPAddr{IP: net.ParseIP(config.DNS.BindHost), Port: config.DNS.Port},
|
|
TCPListenAddr: &net.TCPAddr{IP: net.ParseIP(config.DNS.BindHost), Port: config.DNS.Port},
|
|
FilteringConfig: config.DNS.FilteringConfig,
|
|
Filters: filters,
|
|
}
|
|
|
|
for _, u := range config.DNS.UpstreamDNS {
|
|
dnsUpstream, err := upstream.AddressToUpstream(u, config.DNS.BootstrapDNS, dnsforward.DefaultTimeout)
|
|
if err != nil {
|
|
log.Printf("Couldn't get upstream: %s", err)
|
|
// continue, just ignore the upstream
|
|
continue
|
|
}
|
|
newconfig.Upstreams = append(newconfig.Upstreams, dnsUpstream)
|
|
}
|
|
return newconfig
|
|
}
|
|
|
|
func startDNSServer() error {
|
|
if isRunning() {
|
|
return fmt.Errorf("unable to start forwarding DNS server: Already running")
|
|
}
|
|
|
|
newconfig := generateServerConfig()
|
|
err := dnsServer.Start(&newconfig)
|
|
if err != nil {
|
|
return errorx.Decorate(err, "Couldn't start forwarding DNS server")
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
func reconfigureDNSServer() error {
|
|
if !isRunning() {
|
|
return fmt.Errorf("Refusing to reconfigure forwarding DNS server: not running")
|
|
}
|
|
|
|
config := generateServerConfig()
|
|
err := dnsServer.Reconfigure(&config)
|
|
if err != nil {
|
|
return errorx.Decorate(err, "Couldn't start forwarding DNS server")
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
func stopDNSServer() error {
|
|
if !isRunning() {
|
|
return fmt.Errorf("Refusing to stop forwarding DNS server: not running")
|
|
}
|
|
|
|
err := dnsServer.Stop()
|
|
if err != nil {
|
|
return errorx.Decorate(err, "Couldn't stop forwarding DNS server")
|
|
}
|
|
|
|
return nil
|
|
}
|