AdGuardHome/dnsforward/dnsforward.go

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package dnsforward
import (
"fmt"
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"net"
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"net/http"
"runtime"
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"sync"
"time"
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"github.com/AdguardTeam/AdGuardHome/dhcpd"
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"github.com/AdguardTeam/AdGuardHome/dnsfilter"
"github.com/AdguardTeam/AdGuardHome/querylog"
"github.com/AdguardTeam/AdGuardHome/stats"
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"github.com/AdguardTeam/dnsproxy/proxy"
"github.com/AdguardTeam/golibs/log"
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"github.com/joomcode/errorx"
"github.com/miekg/dns"
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)
// DefaultTimeout is the default upstream timeout
const DefaultTimeout = 10 * time.Second
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const (
safeBrowsingBlockHost = "standard-block.dns.adguard.com"
parentalBlockHost = "family-block.dns.adguard.com"
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)
var defaultDNS = []string{
"https://dns10.quad9.net/dns-query",
}
var defaultBootstrap = []string{"9.9.9.10", "149.112.112.10", "2620:fe::10", "2620:fe::fe:10"}
var webRegistered bool
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// Server is the main way to start a DNS server.
//
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// Example:
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// s := dnsforward.Server{}
// err := s.Start(nil) // will start a DNS server listening on default port 53, in a goroutine
// err := s.Reconfigure(ServerConfig{UDPListenAddr: &net.UDPAddr{Port: 53535}}) // will reconfigure running DNS server to listen on UDP port 53535
// err := s.Stop() // will stop listening on port 53535 and cancel all goroutines
// err := s.Start(nil) // will start listening again, on port 53535, in a goroutine
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//
// The zero Server is empty and ready for use.
type Server struct {
dnsProxy *proxy.Proxy // DNS proxy instance
dnsFilter *dnsfilter.Dnsfilter // DNS filter instance
dhcpServer *dhcpd.Server // DHCP server instance (optional)
queryLog querylog.QueryLog // Query log instance
stats stats.Stats
access *accessCtx
tablePTR map[string]string // "IP -> hostname" table for reverse lookup
tablePTRLock sync.Mutex
Merge: * use upstream servers directly for the internal DNS resolver Close #1212 * Server.Start(config *ServerConfig) -> Start() + Server.Prepare(config *ServerConfig) + Server.Resolve(host string) + Server.Exchange() * rDNS: use internal DNS resolver - clients: fix race in WriteDiskConfig() - fix race: move 'clients' object from 'configuration' to 'HomeContext' Go race detector didn't like our 'clients' object in 'configuration'. + add AGH startup test . Create a configuration file . Start AGH instance . Check Web server . Check DNS server . Wait until the filters are downloaded . Stop and cleanup * move module objects from config.* to Context.* * don't call log.SetLevel() if not necessary This helps to avoid Go race detector's warning * ci.sh: 'make' and then run tests Squashed commit of the following: commit 86500c7f749307f37af4cc8c2a1066f679d0cfad Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 18:08:53 2019 +0300 minor commit 6e6abb9dca3cd250c458bec23aa30d2250a9eb40 Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 18:08:31 2019 +0300 * ci.sh: 'make' and then run tests commit 114192eefea6800e565ba9ab238202c006516c27 Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 17:50:04 2019 +0300 fix commit d426deea7f02cdfd4c7217a38c59e51251956a0f Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 17:46:33 2019 +0300 tests commit 7b350edf03027895b4e43dee908d0155a9b0ac9b Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 15:56:12 2019 +0300 fix test commit 2f5f116873bbbfdd4bb7f82a596f9e1f5c2bcfd8 Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 15:48:56 2019 +0300 fix tests commit 3fbdc77f9c34726e2295185279444983652d559e Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 15:45:00 2019 +0300 linter commit 9da0b6965a2b6863bcd552fa83a4de2866600bb8 Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 15:33:23 2019 +0300 * config.dnsctx.whois -> Context.whois commit c71ebdbdf6efd88c877b2f243c69d3bc00a997d7 Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 15:31:08 2019 +0300 * don't call log.SetLevel() if not necessary This helps to avoid Go race detector's warning commit 0f250220133cefdcb0843a50000cb932802b8324 Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 15:28:19 2019 +0300 * rdns: refactor commit c460d8c9414940dac852e390b6c1b4d4fb38dff9 Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 14:08:08 2019 +0300 Revert: * stats: serialize access to 'limit' Use 'conf *Config' and update it atomically, as in querylog module. (Note: Race detector still doesn't like it) commit 488bcb884971276de0d5629384b29e22c59ee7e6 Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 13:50:23 2019 +0300 * config.dnsFilter -> Context.dnsFilter commit 86c0a6827a450414b50acec7ebfc5220d13b81e4 Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 13:45:05 2019 +0300 * config.dnsServer -> Context.dnsServer commit ee35ef095ccaabc89e3de0ef52c9b5ed56b36873 Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 13:42:10 2019 +0300 * config.dhcpServer -> Context.dhcpServer commit 1537001cd211099d5fad01696c0b806ae5d257b1 Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 13:39:45 2019 +0300 * config.queryLog -> Context.queryLog commit e5955fe4ff1ef6f41763461b37b502ea25a3d04c Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 13:03:18 2019 +0300 * config.httpsServer -> Context.httpsServer commit 6153c10a9ac173e159d1f05e0db1512579b9203c Author: Simon Zolin <s.zolin@adguard.com> Date: Mon Dec 9 20:12:24 2019 +0300 * config.httpServer -> Context.httpServer commit abd021fb94039015cd45c97614e8b78d4694f956 Author: Simon Zolin <s.zolin@adguard.com> Date: Mon Dec 9 20:08:05 2019 +0300 * stats: serialize access to 'limit' commit 38c2decfd87c712100edcabe62a6d4518719cb53 Author: Simon Zolin <s.zolin@adguard.com> Date: Mon Dec 9 19:57:04 2019 +0300 * config.stats -> Context.stats commit 6caf8965ad44db9dce9a7a5103aa8fa305ad9a06 Author: Simon Zolin <s.zolin@adguard.com> Date: Mon Dec 9 19:45:23 2019 +0300 fix Restart() ... and 6 more commits
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// DNS proxy instance for internal usage
// We don't Start() it and so no listen port is required.
internalProxy *proxy.Proxy
isRunning bool
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sync.RWMutex
conf ServerConfig
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}
// DNSCreateParams - parameters for NewServer()
type DNSCreateParams struct {
DNSFilter *dnsfilter.Dnsfilter
Stats stats.Stats
QueryLog querylog.QueryLog
DHCPServer *dhcpd.Server
}
// NewServer creates a new instance of the dnsforward.Server
// Note: this function must be called only once
func NewServer(p DNSCreateParams) *Server {
s := &Server{}
s.dnsFilter = p.DNSFilter
s.stats = p.Stats
s.queryLog = p.QueryLog
s.dhcpServer = p.DHCPServer
if s.dhcpServer != nil {
s.dhcpServer.SetOnLeaseChanged(s.onDHCPLeaseChanged)
s.onDHCPLeaseChanged(dhcpd.LeaseChangedAdded)
}
if runtime.GOARCH == "mips" || runtime.GOARCH == "mipsle" {
// Use plain DNS on MIPS, encryption is too slow
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defaultDNS = defaultBootstrap
}
return s
}
// Close - close object
func (s *Server) Close() {
s.Lock()
s.dnsFilter = nil
s.stats = nil
s.queryLog = nil
Merge: * use upstream servers directly for the internal DNS resolver Close #1212 * Server.Start(config *ServerConfig) -> Start() + Server.Prepare(config *ServerConfig) + Server.Resolve(host string) + Server.Exchange() * rDNS: use internal DNS resolver - clients: fix race in WriteDiskConfig() - fix race: move 'clients' object from 'configuration' to 'HomeContext' Go race detector didn't like our 'clients' object in 'configuration'. + add AGH startup test . Create a configuration file . Start AGH instance . Check Web server . Check DNS server . Wait until the filters are downloaded . Stop and cleanup * move module objects from config.* to Context.* * don't call log.SetLevel() if not necessary This helps to avoid Go race detector's warning * ci.sh: 'make' and then run tests Squashed commit of the following: commit 86500c7f749307f37af4cc8c2a1066f679d0cfad Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 18:08:53 2019 +0300 minor commit 6e6abb9dca3cd250c458bec23aa30d2250a9eb40 Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 18:08:31 2019 +0300 * ci.sh: 'make' and then run tests commit 114192eefea6800e565ba9ab238202c006516c27 Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 17:50:04 2019 +0300 fix commit d426deea7f02cdfd4c7217a38c59e51251956a0f Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 17:46:33 2019 +0300 tests commit 7b350edf03027895b4e43dee908d0155a9b0ac9b Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 15:56:12 2019 +0300 fix test commit 2f5f116873bbbfdd4bb7f82a596f9e1f5c2bcfd8 Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 15:48:56 2019 +0300 fix tests commit 3fbdc77f9c34726e2295185279444983652d559e Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 15:45:00 2019 +0300 linter commit 9da0b6965a2b6863bcd552fa83a4de2866600bb8 Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 15:33:23 2019 +0300 * config.dnsctx.whois -> Context.whois commit c71ebdbdf6efd88c877b2f243c69d3bc00a997d7 Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 15:31:08 2019 +0300 * don't call log.SetLevel() if not necessary This helps to avoid Go race detector's warning commit 0f250220133cefdcb0843a50000cb932802b8324 Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 15:28:19 2019 +0300 * rdns: refactor commit c460d8c9414940dac852e390b6c1b4d4fb38dff9 Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 14:08:08 2019 +0300 Revert: * stats: serialize access to 'limit' Use 'conf *Config' and update it atomically, as in querylog module. (Note: Race detector still doesn't like it) commit 488bcb884971276de0d5629384b29e22c59ee7e6 Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 13:50:23 2019 +0300 * config.dnsFilter -> Context.dnsFilter commit 86c0a6827a450414b50acec7ebfc5220d13b81e4 Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 13:45:05 2019 +0300 * config.dnsServer -> Context.dnsServer commit ee35ef095ccaabc89e3de0ef52c9b5ed56b36873 Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 13:42:10 2019 +0300 * config.dhcpServer -> Context.dhcpServer commit 1537001cd211099d5fad01696c0b806ae5d257b1 Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 13:39:45 2019 +0300 * config.queryLog -> Context.queryLog commit e5955fe4ff1ef6f41763461b37b502ea25a3d04c Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 13:03:18 2019 +0300 * config.httpsServer -> Context.httpsServer commit 6153c10a9ac173e159d1f05e0db1512579b9203c Author: Simon Zolin <s.zolin@adguard.com> Date: Mon Dec 9 20:12:24 2019 +0300 * config.httpServer -> Context.httpServer commit abd021fb94039015cd45c97614e8b78d4694f956 Author: Simon Zolin <s.zolin@adguard.com> Date: Mon Dec 9 20:08:05 2019 +0300 * stats: serialize access to 'limit' commit 38c2decfd87c712100edcabe62a6d4518719cb53 Author: Simon Zolin <s.zolin@adguard.com> Date: Mon Dec 9 19:57:04 2019 +0300 * config.stats -> Context.stats commit 6caf8965ad44db9dce9a7a5103aa8fa305ad9a06 Author: Simon Zolin <s.zolin@adguard.com> Date: Mon Dec 9 19:45:23 2019 +0300 fix Restart() ... and 6 more commits
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s.dnsProxy = nil
s.Unlock()
}
// WriteDiskConfig - write configuration
func (s *Server) WriteDiskConfig(c *FilteringConfig) {
s.RLock()
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sc := s.conf.FilteringConfig
*c = sc
c.RatelimitWhitelist = stringArrayDup(sc.RatelimitWhitelist)
c.BootstrapDNS = stringArrayDup(sc.BootstrapDNS)
c.AllowedClients = stringArrayDup(sc.AllowedClients)
c.DisallowedClients = stringArrayDup(sc.DisallowedClients)
c.BlockedHosts = stringArrayDup(sc.BlockedHosts)
c.UpstreamDNS = stringArrayDup(sc.UpstreamDNS)
s.RUnlock()
}
Merge: * use upstream servers directly for the internal DNS resolver Close #1212 * Server.Start(config *ServerConfig) -> Start() + Server.Prepare(config *ServerConfig) + Server.Resolve(host string) + Server.Exchange() * rDNS: use internal DNS resolver - clients: fix race in WriteDiskConfig() - fix race: move 'clients' object from 'configuration' to 'HomeContext' Go race detector didn't like our 'clients' object in 'configuration'. + add AGH startup test . Create a configuration file . Start AGH instance . Check Web server . Check DNS server . Wait until the filters are downloaded . Stop and cleanup * move module objects from config.* to Context.* * don't call log.SetLevel() if not necessary This helps to avoid Go race detector's warning * ci.sh: 'make' and then run tests Squashed commit of the following: commit 86500c7f749307f37af4cc8c2a1066f679d0cfad Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 18:08:53 2019 +0300 minor commit 6e6abb9dca3cd250c458bec23aa30d2250a9eb40 Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 18:08:31 2019 +0300 * ci.sh: 'make' and then run tests commit 114192eefea6800e565ba9ab238202c006516c27 Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 17:50:04 2019 +0300 fix commit d426deea7f02cdfd4c7217a38c59e51251956a0f Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 17:46:33 2019 +0300 tests commit 7b350edf03027895b4e43dee908d0155a9b0ac9b Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 15:56:12 2019 +0300 fix test commit 2f5f116873bbbfdd4bb7f82a596f9e1f5c2bcfd8 Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 15:48:56 2019 +0300 fix tests commit 3fbdc77f9c34726e2295185279444983652d559e Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 15:45:00 2019 +0300 linter commit 9da0b6965a2b6863bcd552fa83a4de2866600bb8 Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 15:33:23 2019 +0300 * config.dnsctx.whois -> Context.whois commit c71ebdbdf6efd88c877b2f243c69d3bc00a997d7 Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 15:31:08 2019 +0300 * don't call log.SetLevel() if not necessary This helps to avoid Go race detector's warning commit 0f250220133cefdcb0843a50000cb932802b8324 Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 15:28:19 2019 +0300 * rdns: refactor commit c460d8c9414940dac852e390b6c1b4d4fb38dff9 Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 14:08:08 2019 +0300 Revert: * stats: serialize access to 'limit' Use 'conf *Config' and update it atomically, as in querylog module. (Note: Race detector still doesn't like it) commit 488bcb884971276de0d5629384b29e22c59ee7e6 Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 13:50:23 2019 +0300 * config.dnsFilter -> Context.dnsFilter commit 86c0a6827a450414b50acec7ebfc5220d13b81e4 Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 13:45:05 2019 +0300 * config.dnsServer -> Context.dnsServer commit ee35ef095ccaabc89e3de0ef52c9b5ed56b36873 Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 13:42:10 2019 +0300 * config.dhcpServer -> Context.dhcpServer commit 1537001cd211099d5fad01696c0b806ae5d257b1 Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 13:39:45 2019 +0300 * config.queryLog -> Context.queryLog commit e5955fe4ff1ef6f41763461b37b502ea25a3d04c Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 13:03:18 2019 +0300 * config.httpsServer -> Context.httpsServer commit 6153c10a9ac173e159d1f05e0db1512579b9203c Author: Simon Zolin <s.zolin@adguard.com> Date: Mon Dec 9 20:12:24 2019 +0300 * config.httpServer -> Context.httpServer commit abd021fb94039015cd45c97614e8b78d4694f956 Author: Simon Zolin <s.zolin@adguard.com> Date: Mon Dec 9 20:08:05 2019 +0300 * stats: serialize access to 'limit' commit 38c2decfd87c712100edcabe62a6d4518719cb53 Author: Simon Zolin <s.zolin@adguard.com> Date: Mon Dec 9 19:57:04 2019 +0300 * config.stats -> Context.stats commit 6caf8965ad44db9dce9a7a5103aa8fa305ad9a06 Author: Simon Zolin <s.zolin@adguard.com> Date: Mon Dec 9 19:45:23 2019 +0300 fix Restart() ... and 6 more commits
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// Resolve - get IP addresses by host name from an upstream server.
// No request/response filtering is performed.
// Query log and Stats are not updated.
// This method may be called before Start().
func (s *Server) Resolve(host string) ([]net.IPAddr, error) {
s.RLock()
defer s.RUnlock()
return s.internalProxy.LookupIPAddr(host)
}
// Exchange - send DNS request to an upstream server and receive response
// No request/response filtering is performed.
// Query log and Stats are not updated.
// This method may be called before Start().
func (s *Server) Exchange(req *dns.Msg) (*dns.Msg, error) {
s.RLock()
defer s.RUnlock()
ctx := &proxy.DNSContext{
Proto: "udp",
Req: req,
StartTime: time.Now(),
}
err := s.internalProxy.Resolve(ctx)
if err != nil {
return nil, err
}
return ctx.Res, nil
}
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// Start starts the DNS server
Merge: * use upstream servers directly for the internal DNS resolver Close #1212 * Server.Start(config *ServerConfig) -> Start() + Server.Prepare(config *ServerConfig) + Server.Resolve(host string) + Server.Exchange() * rDNS: use internal DNS resolver - clients: fix race in WriteDiskConfig() - fix race: move 'clients' object from 'configuration' to 'HomeContext' Go race detector didn't like our 'clients' object in 'configuration'. + add AGH startup test . Create a configuration file . Start AGH instance . Check Web server . Check DNS server . Wait until the filters are downloaded . Stop and cleanup * move module objects from config.* to Context.* * don't call log.SetLevel() if not necessary This helps to avoid Go race detector's warning * ci.sh: 'make' and then run tests Squashed commit of the following: commit 86500c7f749307f37af4cc8c2a1066f679d0cfad Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 18:08:53 2019 +0300 minor commit 6e6abb9dca3cd250c458bec23aa30d2250a9eb40 Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 18:08:31 2019 +0300 * ci.sh: 'make' and then run tests commit 114192eefea6800e565ba9ab238202c006516c27 Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 17:50:04 2019 +0300 fix commit d426deea7f02cdfd4c7217a38c59e51251956a0f Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 17:46:33 2019 +0300 tests commit 7b350edf03027895b4e43dee908d0155a9b0ac9b Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 15:56:12 2019 +0300 fix test commit 2f5f116873bbbfdd4bb7f82a596f9e1f5c2bcfd8 Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 15:48:56 2019 +0300 fix tests commit 3fbdc77f9c34726e2295185279444983652d559e Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 15:45:00 2019 +0300 linter commit 9da0b6965a2b6863bcd552fa83a4de2866600bb8 Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 15:33:23 2019 +0300 * config.dnsctx.whois -> Context.whois commit c71ebdbdf6efd88c877b2f243c69d3bc00a997d7 Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 15:31:08 2019 +0300 * don't call log.SetLevel() if not necessary This helps to avoid Go race detector's warning commit 0f250220133cefdcb0843a50000cb932802b8324 Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 15:28:19 2019 +0300 * rdns: refactor commit c460d8c9414940dac852e390b6c1b4d4fb38dff9 Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 14:08:08 2019 +0300 Revert: * stats: serialize access to 'limit' Use 'conf *Config' and update it atomically, as in querylog module. (Note: Race detector still doesn't like it) commit 488bcb884971276de0d5629384b29e22c59ee7e6 Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 13:50:23 2019 +0300 * config.dnsFilter -> Context.dnsFilter commit 86c0a6827a450414b50acec7ebfc5220d13b81e4 Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 13:45:05 2019 +0300 * config.dnsServer -> Context.dnsServer commit ee35ef095ccaabc89e3de0ef52c9b5ed56b36873 Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 13:42:10 2019 +0300 * config.dhcpServer -> Context.dhcpServer commit 1537001cd211099d5fad01696c0b806ae5d257b1 Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 13:39:45 2019 +0300 * config.queryLog -> Context.queryLog commit e5955fe4ff1ef6f41763461b37b502ea25a3d04c Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 13:03:18 2019 +0300 * config.httpsServer -> Context.httpsServer commit 6153c10a9ac173e159d1f05e0db1512579b9203c Author: Simon Zolin <s.zolin@adguard.com> Date: Mon Dec 9 20:12:24 2019 +0300 * config.httpServer -> Context.httpServer commit abd021fb94039015cd45c97614e8b78d4694f956 Author: Simon Zolin <s.zolin@adguard.com> Date: Mon Dec 9 20:08:05 2019 +0300 * stats: serialize access to 'limit' commit 38c2decfd87c712100edcabe62a6d4518719cb53 Author: Simon Zolin <s.zolin@adguard.com> Date: Mon Dec 9 19:57:04 2019 +0300 * config.stats -> Context.stats commit 6caf8965ad44db9dce9a7a5103aa8fa305ad9a06 Author: Simon Zolin <s.zolin@adguard.com> Date: Mon Dec 9 19:45:23 2019 +0300 fix Restart() ... and 6 more commits
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func (s *Server) Start() error {
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s.Lock()
defer s.Unlock()
Merge: * use upstream servers directly for the internal DNS resolver Close #1212 * Server.Start(config *ServerConfig) -> Start() + Server.Prepare(config *ServerConfig) + Server.Resolve(host string) + Server.Exchange() * rDNS: use internal DNS resolver - clients: fix race in WriteDiskConfig() - fix race: move 'clients' object from 'configuration' to 'HomeContext' Go race detector didn't like our 'clients' object in 'configuration'. + add AGH startup test . Create a configuration file . Start AGH instance . Check Web server . Check DNS server . Wait until the filters are downloaded . Stop and cleanup * move module objects from config.* to Context.* * don't call log.SetLevel() if not necessary This helps to avoid Go race detector's warning * ci.sh: 'make' and then run tests Squashed commit of the following: commit 86500c7f749307f37af4cc8c2a1066f679d0cfad Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 18:08:53 2019 +0300 minor commit 6e6abb9dca3cd250c458bec23aa30d2250a9eb40 Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 18:08:31 2019 +0300 * ci.sh: 'make' and then run tests commit 114192eefea6800e565ba9ab238202c006516c27 Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 17:50:04 2019 +0300 fix commit d426deea7f02cdfd4c7217a38c59e51251956a0f Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 17:46:33 2019 +0300 tests commit 7b350edf03027895b4e43dee908d0155a9b0ac9b Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 15:56:12 2019 +0300 fix test commit 2f5f116873bbbfdd4bb7f82a596f9e1f5c2bcfd8 Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 15:48:56 2019 +0300 fix tests commit 3fbdc77f9c34726e2295185279444983652d559e Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 15:45:00 2019 +0300 linter commit 9da0b6965a2b6863bcd552fa83a4de2866600bb8 Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 15:33:23 2019 +0300 * config.dnsctx.whois -> Context.whois commit c71ebdbdf6efd88c877b2f243c69d3bc00a997d7 Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 15:31:08 2019 +0300 * don't call log.SetLevel() if not necessary This helps to avoid Go race detector's warning commit 0f250220133cefdcb0843a50000cb932802b8324 Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 15:28:19 2019 +0300 * rdns: refactor commit c460d8c9414940dac852e390b6c1b4d4fb38dff9 Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 14:08:08 2019 +0300 Revert: * stats: serialize access to 'limit' Use 'conf *Config' and update it atomically, as in querylog module. (Note: Race detector still doesn't like it) commit 488bcb884971276de0d5629384b29e22c59ee7e6 Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 13:50:23 2019 +0300 * config.dnsFilter -> Context.dnsFilter commit 86c0a6827a450414b50acec7ebfc5220d13b81e4 Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 13:45:05 2019 +0300 * config.dnsServer -> Context.dnsServer commit ee35ef095ccaabc89e3de0ef52c9b5ed56b36873 Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 13:42:10 2019 +0300 * config.dhcpServer -> Context.dhcpServer commit 1537001cd211099d5fad01696c0b806ae5d257b1 Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 13:39:45 2019 +0300 * config.queryLog -> Context.queryLog commit e5955fe4ff1ef6f41763461b37b502ea25a3d04c Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 13:03:18 2019 +0300 * config.httpsServer -> Context.httpsServer commit 6153c10a9ac173e159d1f05e0db1512579b9203c Author: Simon Zolin <s.zolin@adguard.com> Date: Mon Dec 9 20:12:24 2019 +0300 * config.httpServer -> Context.httpServer commit abd021fb94039015cd45c97614e8b78d4694f956 Author: Simon Zolin <s.zolin@adguard.com> Date: Mon Dec 9 20:08:05 2019 +0300 * stats: serialize access to 'limit' commit 38c2decfd87c712100edcabe62a6d4518719cb53 Author: Simon Zolin <s.zolin@adguard.com> Date: Mon Dec 9 19:57:04 2019 +0300 * config.stats -> Context.stats commit 6caf8965ad44db9dce9a7a5103aa8fa305ad9a06 Author: Simon Zolin <s.zolin@adguard.com> Date: Mon Dec 9 19:45:23 2019 +0300 fix Restart() ... and 6 more commits
2019-12-11 09:38:58 +00:00
return s.startInternal()
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}
// startInternal starts without locking
Merge: * use upstream servers directly for the internal DNS resolver Close #1212 * Server.Start(config *ServerConfig) -> Start() + Server.Prepare(config *ServerConfig) + Server.Resolve(host string) + Server.Exchange() * rDNS: use internal DNS resolver - clients: fix race in WriteDiskConfig() - fix race: move 'clients' object from 'configuration' to 'HomeContext' Go race detector didn't like our 'clients' object in 'configuration'. + add AGH startup test . Create a configuration file . Start AGH instance . Check Web server . Check DNS server . Wait until the filters are downloaded . Stop and cleanup * move module objects from config.* to Context.* * don't call log.SetLevel() if not necessary This helps to avoid Go race detector's warning * ci.sh: 'make' and then run tests Squashed commit of the following: commit 86500c7f749307f37af4cc8c2a1066f679d0cfad Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 18:08:53 2019 +0300 minor commit 6e6abb9dca3cd250c458bec23aa30d2250a9eb40 Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 18:08:31 2019 +0300 * ci.sh: 'make' and then run tests commit 114192eefea6800e565ba9ab238202c006516c27 Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 17:50:04 2019 +0300 fix commit d426deea7f02cdfd4c7217a38c59e51251956a0f Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 17:46:33 2019 +0300 tests commit 7b350edf03027895b4e43dee908d0155a9b0ac9b Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 15:56:12 2019 +0300 fix test commit 2f5f116873bbbfdd4bb7f82a596f9e1f5c2bcfd8 Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 15:48:56 2019 +0300 fix tests commit 3fbdc77f9c34726e2295185279444983652d559e Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 15:45:00 2019 +0300 linter commit 9da0b6965a2b6863bcd552fa83a4de2866600bb8 Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 15:33:23 2019 +0300 * config.dnsctx.whois -> Context.whois commit c71ebdbdf6efd88c877b2f243c69d3bc00a997d7 Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 15:31:08 2019 +0300 * don't call log.SetLevel() if not necessary This helps to avoid Go race detector's warning commit 0f250220133cefdcb0843a50000cb932802b8324 Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 15:28:19 2019 +0300 * rdns: refactor commit c460d8c9414940dac852e390b6c1b4d4fb38dff9 Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 14:08:08 2019 +0300 Revert: * stats: serialize access to 'limit' Use 'conf *Config' and update it atomically, as in querylog module. (Note: Race detector still doesn't like it) commit 488bcb884971276de0d5629384b29e22c59ee7e6 Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 13:50:23 2019 +0300 * config.dnsFilter -> Context.dnsFilter commit 86c0a6827a450414b50acec7ebfc5220d13b81e4 Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 13:45:05 2019 +0300 * config.dnsServer -> Context.dnsServer commit ee35ef095ccaabc89e3de0ef52c9b5ed56b36873 Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 13:42:10 2019 +0300 * config.dhcpServer -> Context.dhcpServer commit 1537001cd211099d5fad01696c0b806ae5d257b1 Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 13:39:45 2019 +0300 * config.queryLog -> Context.queryLog commit e5955fe4ff1ef6f41763461b37b502ea25a3d04c Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 13:03:18 2019 +0300 * config.httpsServer -> Context.httpsServer commit 6153c10a9ac173e159d1f05e0db1512579b9203c Author: Simon Zolin <s.zolin@adguard.com> Date: Mon Dec 9 20:12:24 2019 +0300 * config.httpServer -> Context.httpServer commit abd021fb94039015cd45c97614e8b78d4694f956 Author: Simon Zolin <s.zolin@adguard.com> Date: Mon Dec 9 20:08:05 2019 +0300 * stats: serialize access to 'limit' commit 38c2decfd87c712100edcabe62a6d4518719cb53 Author: Simon Zolin <s.zolin@adguard.com> Date: Mon Dec 9 19:57:04 2019 +0300 * config.stats -> Context.stats commit 6caf8965ad44db9dce9a7a5103aa8fa305ad9a06 Author: Simon Zolin <s.zolin@adguard.com> Date: Mon Dec 9 19:45:23 2019 +0300 fix Restart() ... and 6 more commits
2019-12-11 09:38:58 +00:00
func (s *Server) startInternal() error {
err := s.dnsProxy.Start()
if err == nil {
s.isRunning = true
}
Merge: * use upstream servers directly for the internal DNS resolver Close #1212 * Server.Start(config *ServerConfig) -> Start() + Server.Prepare(config *ServerConfig) + Server.Resolve(host string) + Server.Exchange() * rDNS: use internal DNS resolver - clients: fix race in WriteDiskConfig() - fix race: move 'clients' object from 'configuration' to 'HomeContext' Go race detector didn't like our 'clients' object in 'configuration'. + add AGH startup test . Create a configuration file . Start AGH instance . Check Web server . Check DNS server . Wait until the filters are downloaded . Stop and cleanup * move module objects from config.* to Context.* * don't call log.SetLevel() if not necessary This helps to avoid Go race detector's warning * ci.sh: 'make' and then run tests Squashed commit of the following: commit 86500c7f749307f37af4cc8c2a1066f679d0cfad Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 18:08:53 2019 +0300 minor commit 6e6abb9dca3cd250c458bec23aa30d2250a9eb40 Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 18:08:31 2019 +0300 * ci.sh: 'make' and then run tests commit 114192eefea6800e565ba9ab238202c006516c27 Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 17:50:04 2019 +0300 fix commit d426deea7f02cdfd4c7217a38c59e51251956a0f Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 17:46:33 2019 +0300 tests commit 7b350edf03027895b4e43dee908d0155a9b0ac9b Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 15:56:12 2019 +0300 fix test commit 2f5f116873bbbfdd4bb7f82a596f9e1f5c2bcfd8 Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 15:48:56 2019 +0300 fix tests commit 3fbdc77f9c34726e2295185279444983652d559e Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 15:45:00 2019 +0300 linter commit 9da0b6965a2b6863bcd552fa83a4de2866600bb8 Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 15:33:23 2019 +0300 * config.dnsctx.whois -> Context.whois commit c71ebdbdf6efd88c877b2f243c69d3bc00a997d7 Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 15:31:08 2019 +0300 * don't call log.SetLevel() if not necessary This helps to avoid Go race detector's warning commit 0f250220133cefdcb0843a50000cb932802b8324 Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 15:28:19 2019 +0300 * rdns: refactor commit c460d8c9414940dac852e390b6c1b4d4fb38dff9 Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 14:08:08 2019 +0300 Revert: * stats: serialize access to 'limit' Use 'conf *Config' and update it atomically, as in querylog module. (Note: Race detector still doesn't like it) commit 488bcb884971276de0d5629384b29e22c59ee7e6 Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 13:50:23 2019 +0300 * config.dnsFilter -> Context.dnsFilter commit 86c0a6827a450414b50acec7ebfc5220d13b81e4 Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 13:45:05 2019 +0300 * config.dnsServer -> Context.dnsServer commit ee35ef095ccaabc89e3de0ef52c9b5ed56b36873 Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 13:42:10 2019 +0300 * config.dhcpServer -> Context.dhcpServer commit 1537001cd211099d5fad01696c0b806ae5d257b1 Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 13:39:45 2019 +0300 * config.queryLog -> Context.queryLog commit e5955fe4ff1ef6f41763461b37b502ea25a3d04c Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 13:03:18 2019 +0300 * config.httpsServer -> Context.httpsServer commit 6153c10a9ac173e159d1f05e0db1512579b9203c Author: Simon Zolin <s.zolin@adguard.com> Date: Mon Dec 9 20:12:24 2019 +0300 * config.httpServer -> Context.httpServer commit abd021fb94039015cd45c97614e8b78d4694f956 Author: Simon Zolin <s.zolin@adguard.com> Date: Mon Dec 9 20:08:05 2019 +0300 * stats: serialize access to 'limit' commit 38c2decfd87c712100edcabe62a6d4518719cb53 Author: Simon Zolin <s.zolin@adguard.com> Date: Mon Dec 9 19:57:04 2019 +0300 * config.stats -> Context.stats commit 6caf8965ad44db9dce9a7a5103aa8fa305ad9a06 Author: Simon Zolin <s.zolin@adguard.com> Date: Mon Dec 9 19:45:23 2019 +0300 fix Restart() ... and 6 more commits
2019-12-11 09:38:58 +00:00
return err
}
// Prepare the object
Merge: * use upstream servers directly for the internal DNS resolver Close #1212 * Server.Start(config *ServerConfig) -> Start() + Server.Prepare(config *ServerConfig) + Server.Resolve(host string) + Server.Exchange() * rDNS: use internal DNS resolver - clients: fix race in WriteDiskConfig() - fix race: move 'clients' object from 'configuration' to 'HomeContext' Go race detector didn't like our 'clients' object in 'configuration'. + add AGH startup test . Create a configuration file . Start AGH instance . Check Web server . Check DNS server . Wait until the filters are downloaded . Stop and cleanup * move module objects from config.* to Context.* * don't call log.SetLevel() if not necessary This helps to avoid Go race detector's warning * ci.sh: 'make' and then run tests Squashed commit of the following: commit 86500c7f749307f37af4cc8c2a1066f679d0cfad Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 18:08:53 2019 +0300 minor commit 6e6abb9dca3cd250c458bec23aa30d2250a9eb40 Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 18:08:31 2019 +0300 * ci.sh: 'make' and then run tests commit 114192eefea6800e565ba9ab238202c006516c27 Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 17:50:04 2019 +0300 fix commit d426deea7f02cdfd4c7217a38c59e51251956a0f Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 17:46:33 2019 +0300 tests commit 7b350edf03027895b4e43dee908d0155a9b0ac9b Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 15:56:12 2019 +0300 fix test commit 2f5f116873bbbfdd4bb7f82a596f9e1f5c2bcfd8 Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 15:48:56 2019 +0300 fix tests commit 3fbdc77f9c34726e2295185279444983652d559e Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 15:45:00 2019 +0300 linter commit 9da0b6965a2b6863bcd552fa83a4de2866600bb8 Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 15:33:23 2019 +0300 * config.dnsctx.whois -> Context.whois commit c71ebdbdf6efd88c877b2f243c69d3bc00a997d7 Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 15:31:08 2019 +0300 * don't call log.SetLevel() if not necessary This helps to avoid Go race detector's warning commit 0f250220133cefdcb0843a50000cb932802b8324 Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 15:28:19 2019 +0300 * rdns: refactor commit c460d8c9414940dac852e390b6c1b4d4fb38dff9 Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 14:08:08 2019 +0300 Revert: * stats: serialize access to 'limit' Use 'conf *Config' and update it atomically, as in querylog module. (Note: Race detector still doesn't like it) commit 488bcb884971276de0d5629384b29e22c59ee7e6 Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 13:50:23 2019 +0300 * config.dnsFilter -> Context.dnsFilter commit 86c0a6827a450414b50acec7ebfc5220d13b81e4 Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 13:45:05 2019 +0300 * config.dnsServer -> Context.dnsServer commit ee35ef095ccaabc89e3de0ef52c9b5ed56b36873 Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 13:42:10 2019 +0300 * config.dhcpServer -> Context.dhcpServer commit 1537001cd211099d5fad01696c0b806ae5d257b1 Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 13:39:45 2019 +0300 * config.queryLog -> Context.queryLog commit e5955fe4ff1ef6f41763461b37b502ea25a3d04c Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 13:03:18 2019 +0300 * config.httpsServer -> Context.httpsServer commit 6153c10a9ac173e159d1f05e0db1512579b9203c Author: Simon Zolin <s.zolin@adguard.com> Date: Mon Dec 9 20:12:24 2019 +0300 * config.httpServer -> Context.httpServer commit abd021fb94039015cd45c97614e8b78d4694f956 Author: Simon Zolin <s.zolin@adguard.com> Date: Mon Dec 9 20:08:05 2019 +0300 * stats: serialize access to 'limit' commit 38c2decfd87c712100edcabe62a6d4518719cb53 Author: Simon Zolin <s.zolin@adguard.com> Date: Mon Dec 9 19:57:04 2019 +0300 * config.stats -> Context.stats commit 6caf8965ad44db9dce9a7a5103aa8fa305ad9a06 Author: Simon Zolin <s.zolin@adguard.com> Date: Mon Dec 9 19:45:23 2019 +0300 fix Restart() ... and 6 more commits
2019-12-11 09:38:58 +00:00
func (s *Server) Prepare(config *ServerConfig) error {
// 1. Initialize the server configuration
// --
if config != nil {
s.conf = *config
if s.conf.BlockingMode == "custom_ip" {
s.conf.BlockingIPAddrv4 = net.ParseIP(s.conf.BlockingIPv4)
s.conf.BlockingIPAddrv6 = net.ParseIP(s.conf.BlockingIPv6)
if s.conf.BlockingIPAddrv4 == nil || s.conf.BlockingIPAddrv6 == nil {
return fmt.Errorf("DNS: invalid custom blocking IP address specified")
}
}
}
// 2. Set default values in the case if nothing is configured
// --
s.initDefaultSettings()
// 3. Prepare DNS servers settings
// --
err := s.prepareUpstreamSettings()
if err != nil {
return err
}
// 3. Create DNS proxy configuration
// --
var proxyConfig proxy.Config
proxyConfig, err = s.createProxyConfig()
if err != nil {
return err
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}
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// 4. Prepare a DNS proxy instance that we use for internal DNS queries
// --
s.prepareIntlProxy()
Merge: * use upstream servers directly for the internal DNS resolver Close #1212 * Server.Start(config *ServerConfig) -> Start() + Server.Prepare(config *ServerConfig) + Server.Resolve(host string) + Server.Exchange() * rDNS: use internal DNS resolver - clients: fix race in WriteDiskConfig() - fix race: move 'clients' object from 'configuration' to 'HomeContext' Go race detector didn't like our 'clients' object in 'configuration'. + add AGH startup test . Create a configuration file . Start AGH instance . Check Web server . Check DNS server . Wait until the filters are downloaded . Stop and cleanup * move module objects from config.* to Context.* * don't call log.SetLevel() if not necessary This helps to avoid Go race detector's warning * ci.sh: 'make' and then run tests Squashed commit of the following: commit 86500c7f749307f37af4cc8c2a1066f679d0cfad Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 18:08:53 2019 +0300 minor commit 6e6abb9dca3cd250c458bec23aa30d2250a9eb40 Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 18:08:31 2019 +0300 * ci.sh: 'make' and then run tests commit 114192eefea6800e565ba9ab238202c006516c27 Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 17:50:04 2019 +0300 fix commit d426deea7f02cdfd4c7217a38c59e51251956a0f Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 17:46:33 2019 +0300 tests commit 7b350edf03027895b4e43dee908d0155a9b0ac9b Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 15:56:12 2019 +0300 fix test commit 2f5f116873bbbfdd4bb7f82a596f9e1f5c2bcfd8 Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 15:48:56 2019 +0300 fix tests commit 3fbdc77f9c34726e2295185279444983652d559e Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 15:45:00 2019 +0300 linter commit 9da0b6965a2b6863bcd552fa83a4de2866600bb8 Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 15:33:23 2019 +0300 * config.dnsctx.whois -> Context.whois commit c71ebdbdf6efd88c877b2f243c69d3bc00a997d7 Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 15:31:08 2019 +0300 * don't call log.SetLevel() if not necessary This helps to avoid Go race detector's warning commit 0f250220133cefdcb0843a50000cb932802b8324 Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 15:28:19 2019 +0300 * rdns: refactor commit c460d8c9414940dac852e390b6c1b4d4fb38dff9 Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 14:08:08 2019 +0300 Revert: * stats: serialize access to 'limit' Use 'conf *Config' and update it atomically, as in querylog module. (Note: Race detector still doesn't like it) commit 488bcb884971276de0d5629384b29e22c59ee7e6 Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 13:50:23 2019 +0300 * config.dnsFilter -> Context.dnsFilter commit 86c0a6827a450414b50acec7ebfc5220d13b81e4 Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 13:45:05 2019 +0300 * config.dnsServer -> Context.dnsServer commit ee35ef095ccaabc89e3de0ef52c9b5ed56b36873 Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 13:42:10 2019 +0300 * config.dhcpServer -> Context.dhcpServer commit 1537001cd211099d5fad01696c0b806ae5d257b1 Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 13:39:45 2019 +0300 * config.queryLog -> Context.queryLog commit e5955fe4ff1ef6f41763461b37b502ea25a3d04c Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 13:03:18 2019 +0300 * config.httpsServer -> Context.httpsServer commit 6153c10a9ac173e159d1f05e0db1512579b9203c Author: Simon Zolin <s.zolin@adguard.com> Date: Mon Dec 9 20:12:24 2019 +0300 * config.httpServer -> Context.httpServer commit abd021fb94039015cd45c97614e8b78d4694f956 Author: Simon Zolin <s.zolin@adguard.com> Date: Mon Dec 9 20:08:05 2019 +0300 * stats: serialize access to 'limit' commit 38c2decfd87c712100edcabe62a6d4518719cb53 Author: Simon Zolin <s.zolin@adguard.com> Date: Mon Dec 9 19:57:04 2019 +0300 * config.stats -> Context.stats commit 6caf8965ad44db9dce9a7a5103aa8fa305ad9a06 Author: Simon Zolin <s.zolin@adguard.com> Date: Mon Dec 9 19:45:23 2019 +0300 fix Restart() ... and 6 more commits
2019-12-11 09:38:58 +00:00
// 5. Initialize DNS access module
// --
s.access = &accessCtx{}
err = s.access.Init(s.conf.AllowedClients, s.conf.DisallowedClients, s.conf.BlockedHosts)
if err != nil {
return err
}
// 6. Register web handlers if necessary
// --
if !webRegistered && s.conf.HTTPRegister != nil {
webRegistered = true
s.registerHandlers()
}
// 7. Create the main DNS proxy instance
// --
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s.dnsProxy = &proxy.Proxy{Config: proxyConfig}
return nil
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}
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// Stop stops the DNS server
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func (s *Server) Stop() error {
s.Lock()
defer s.Unlock()
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return s.stopInternal()
}
// stopInternal stops without locking
func (s *Server) stopInternal() error {
if s.dnsProxy != nil {
err := s.dnsProxy.Stop()
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if err != nil {
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return errorx.Decorate(err, "could not stop the DNS server properly")
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}
}
Merge: * use upstream servers directly for the internal DNS resolver Close #1212 * Server.Start(config *ServerConfig) -> Start() + Server.Prepare(config *ServerConfig) + Server.Resolve(host string) + Server.Exchange() * rDNS: use internal DNS resolver - clients: fix race in WriteDiskConfig() - fix race: move 'clients' object from 'configuration' to 'HomeContext' Go race detector didn't like our 'clients' object in 'configuration'. + add AGH startup test . Create a configuration file . Start AGH instance . Check Web server . Check DNS server . Wait until the filters are downloaded . Stop and cleanup * move module objects from config.* to Context.* * don't call log.SetLevel() if not necessary This helps to avoid Go race detector's warning * ci.sh: 'make' and then run tests Squashed commit of the following: commit 86500c7f749307f37af4cc8c2a1066f679d0cfad Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 18:08:53 2019 +0300 minor commit 6e6abb9dca3cd250c458bec23aa30d2250a9eb40 Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 18:08:31 2019 +0300 * ci.sh: 'make' and then run tests commit 114192eefea6800e565ba9ab238202c006516c27 Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 17:50:04 2019 +0300 fix commit d426deea7f02cdfd4c7217a38c59e51251956a0f Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 17:46:33 2019 +0300 tests commit 7b350edf03027895b4e43dee908d0155a9b0ac9b Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 15:56:12 2019 +0300 fix test commit 2f5f116873bbbfdd4bb7f82a596f9e1f5c2bcfd8 Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 15:48:56 2019 +0300 fix tests commit 3fbdc77f9c34726e2295185279444983652d559e Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 15:45:00 2019 +0300 linter commit 9da0b6965a2b6863bcd552fa83a4de2866600bb8 Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 15:33:23 2019 +0300 * config.dnsctx.whois -> Context.whois commit c71ebdbdf6efd88c877b2f243c69d3bc00a997d7 Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 15:31:08 2019 +0300 * don't call log.SetLevel() if not necessary This helps to avoid Go race detector's warning commit 0f250220133cefdcb0843a50000cb932802b8324 Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 15:28:19 2019 +0300 * rdns: refactor commit c460d8c9414940dac852e390b6c1b4d4fb38dff9 Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 14:08:08 2019 +0300 Revert: * stats: serialize access to 'limit' Use 'conf *Config' and update it atomically, as in querylog module. (Note: Race detector still doesn't like it) commit 488bcb884971276de0d5629384b29e22c59ee7e6 Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 13:50:23 2019 +0300 * config.dnsFilter -> Context.dnsFilter commit 86c0a6827a450414b50acec7ebfc5220d13b81e4 Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 13:45:05 2019 +0300 * config.dnsServer -> Context.dnsServer commit ee35ef095ccaabc89e3de0ef52c9b5ed56b36873 Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 13:42:10 2019 +0300 * config.dhcpServer -> Context.dhcpServer commit 1537001cd211099d5fad01696c0b806ae5d257b1 Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 13:39:45 2019 +0300 * config.queryLog -> Context.queryLog commit e5955fe4ff1ef6f41763461b37b502ea25a3d04c Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 13:03:18 2019 +0300 * config.httpsServer -> Context.httpsServer commit 6153c10a9ac173e159d1f05e0db1512579b9203c Author: Simon Zolin <s.zolin@adguard.com> Date: Mon Dec 9 20:12:24 2019 +0300 * config.httpServer -> Context.httpServer commit abd021fb94039015cd45c97614e8b78d4694f956 Author: Simon Zolin <s.zolin@adguard.com> Date: Mon Dec 9 20:08:05 2019 +0300 * stats: serialize access to 'limit' commit 38c2decfd87c712100edcabe62a6d4518719cb53 Author: Simon Zolin <s.zolin@adguard.com> Date: Mon Dec 9 19:57:04 2019 +0300 * config.stats -> Context.stats commit 6caf8965ad44db9dce9a7a5103aa8fa305ad9a06 Author: Simon Zolin <s.zolin@adguard.com> Date: Mon Dec 9 19:45:23 2019 +0300 fix Restart() ... and 6 more commits
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s.isRunning = false
return nil
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}
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// IsRunning returns true if the DNS server is running
func (s *Server) IsRunning() bool {
s.RLock()
Merge: * use upstream servers directly for the internal DNS resolver Close #1212 * Server.Start(config *ServerConfig) -> Start() + Server.Prepare(config *ServerConfig) + Server.Resolve(host string) + Server.Exchange() * rDNS: use internal DNS resolver - clients: fix race in WriteDiskConfig() - fix race: move 'clients' object from 'configuration' to 'HomeContext' Go race detector didn't like our 'clients' object in 'configuration'. + add AGH startup test . Create a configuration file . Start AGH instance . Check Web server . Check DNS server . Wait until the filters are downloaded . Stop and cleanup * move module objects from config.* to Context.* * don't call log.SetLevel() if not necessary This helps to avoid Go race detector's warning * ci.sh: 'make' and then run tests Squashed commit of the following: commit 86500c7f749307f37af4cc8c2a1066f679d0cfad Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 18:08:53 2019 +0300 minor commit 6e6abb9dca3cd250c458bec23aa30d2250a9eb40 Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 18:08:31 2019 +0300 * ci.sh: 'make' and then run tests commit 114192eefea6800e565ba9ab238202c006516c27 Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 17:50:04 2019 +0300 fix commit d426deea7f02cdfd4c7217a38c59e51251956a0f Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 17:46:33 2019 +0300 tests commit 7b350edf03027895b4e43dee908d0155a9b0ac9b Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 15:56:12 2019 +0300 fix test commit 2f5f116873bbbfdd4bb7f82a596f9e1f5c2bcfd8 Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 15:48:56 2019 +0300 fix tests commit 3fbdc77f9c34726e2295185279444983652d559e Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 15:45:00 2019 +0300 linter commit 9da0b6965a2b6863bcd552fa83a4de2866600bb8 Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 15:33:23 2019 +0300 * config.dnsctx.whois -> Context.whois commit c71ebdbdf6efd88c877b2f243c69d3bc00a997d7 Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 15:31:08 2019 +0300 * don't call log.SetLevel() if not necessary This helps to avoid Go race detector's warning commit 0f250220133cefdcb0843a50000cb932802b8324 Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 15:28:19 2019 +0300 * rdns: refactor commit c460d8c9414940dac852e390b6c1b4d4fb38dff9 Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 14:08:08 2019 +0300 Revert: * stats: serialize access to 'limit' Use 'conf *Config' and update it atomically, as in querylog module. (Note: Race detector still doesn't like it) commit 488bcb884971276de0d5629384b29e22c59ee7e6 Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 13:50:23 2019 +0300 * config.dnsFilter -> Context.dnsFilter commit 86c0a6827a450414b50acec7ebfc5220d13b81e4 Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 13:45:05 2019 +0300 * config.dnsServer -> Context.dnsServer commit ee35ef095ccaabc89e3de0ef52c9b5ed56b36873 Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 13:42:10 2019 +0300 * config.dhcpServer -> Context.dhcpServer commit 1537001cd211099d5fad01696c0b806ae5d257b1 Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 13:39:45 2019 +0300 * config.queryLog -> Context.queryLog commit e5955fe4ff1ef6f41763461b37b502ea25a3d04c Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 13:03:18 2019 +0300 * config.httpsServer -> Context.httpsServer commit 6153c10a9ac173e159d1f05e0db1512579b9203c Author: Simon Zolin <s.zolin@adguard.com> Date: Mon Dec 9 20:12:24 2019 +0300 * config.httpServer -> Context.httpServer commit abd021fb94039015cd45c97614e8b78d4694f956 Author: Simon Zolin <s.zolin@adguard.com> Date: Mon Dec 9 20:08:05 2019 +0300 * stats: serialize access to 'limit' commit 38c2decfd87c712100edcabe62a6d4518719cb53 Author: Simon Zolin <s.zolin@adguard.com> Date: Mon Dec 9 19:57:04 2019 +0300 * config.stats -> Context.stats commit 6caf8965ad44db9dce9a7a5103aa8fa305ad9a06 Author: Simon Zolin <s.zolin@adguard.com> Date: Mon Dec 9 19:45:23 2019 +0300 fix Restart() ... and 6 more commits
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defer s.RUnlock()
return s.isRunning
}
// Reconfigure applies the new configuration to the DNS server
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func (s *Server) Reconfigure(config *ServerConfig) error {
s.Lock()
defer s.Unlock()
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log.Print("Start reconfiguring the server")
err := s.stopInternal()
if err != nil {
return errorx.Decorate(err, "could not reconfigure the server")
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}
// It seems that net.Listener.Close() doesn't close file descriptors right away.
// We wait for some time and hope that this fd will be closed.
time.Sleep(100 * time.Millisecond)
Merge: * use upstream servers directly for the internal DNS resolver Close #1212 * Server.Start(config *ServerConfig) -> Start() + Server.Prepare(config *ServerConfig) + Server.Resolve(host string) + Server.Exchange() * rDNS: use internal DNS resolver - clients: fix race in WriteDiskConfig() - fix race: move 'clients' object from 'configuration' to 'HomeContext' Go race detector didn't like our 'clients' object in 'configuration'. + add AGH startup test . Create a configuration file . Start AGH instance . Check Web server . Check DNS server . Wait until the filters are downloaded . Stop and cleanup * move module objects from config.* to Context.* * don't call log.SetLevel() if not necessary This helps to avoid Go race detector's warning * ci.sh: 'make' and then run tests Squashed commit of the following: commit 86500c7f749307f37af4cc8c2a1066f679d0cfad Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 18:08:53 2019 +0300 minor commit 6e6abb9dca3cd250c458bec23aa30d2250a9eb40 Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 18:08:31 2019 +0300 * ci.sh: 'make' and then run tests commit 114192eefea6800e565ba9ab238202c006516c27 Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 17:50:04 2019 +0300 fix commit d426deea7f02cdfd4c7217a38c59e51251956a0f Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 17:46:33 2019 +0300 tests commit 7b350edf03027895b4e43dee908d0155a9b0ac9b Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 15:56:12 2019 +0300 fix test commit 2f5f116873bbbfdd4bb7f82a596f9e1f5c2bcfd8 Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 15:48:56 2019 +0300 fix tests commit 3fbdc77f9c34726e2295185279444983652d559e Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 15:45:00 2019 +0300 linter commit 9da0b6965a2b6863bcd552fa83a4de2866600bb8 Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 15:33:23 2019 +0300 * config.dnsctx.whois -> Context.whois commit c71ebdbdf6efd88c877b2f243c69d3bc00a997d7 Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 15:31:08 2019 +0300 * don't call log.SetLevel() if not necessary This helps to avoid Go race detector's warning commit 0f250220133cefdcb0843a50000cb932802b8324 Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 15:28:19 2019 +0300 * rdns: refactor commit c460d8c9414940dac852e390b6c1b4d4fb38dff9 Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 14:08:08 2019 +0300 Revert: * stats: serialize access to 'limit' Use 'conf *Config' and update it atomically, as in querylog module. (Note: Race detector still doesn't like it) commit 488bcb884971276de0d5629384b29e22c59ee7e6 Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 13:50:23 2019 +0300 * config.dnsFilter -> Context.dnsFilter commit 86c0a6827a450414b50acec7ebfc5220d13b81e4 Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 13:45:05 2019 +0300 * config.dnsServer -> Context.dnsServer commit ee35ef095ccaabc89e3de0ef52c9b5ed56b36873 Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 13:42:10 2019 +0300 * config.dhcpServer -> Context.dhcpServer commit 1537001cd211099d5fad01696c0b806ae5d257b1 Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 13:39:45 2019 +0300 * config.queryLog -> Context.queryLog commit e5955fe4ff1ef6f41763461b37b502ea25a3d04c Author: Simon Zolin <s.zolin@adguard.com> Date: Tue Dec 10 13:03:18 2019 +0300 * config.httpsServer -> Context.httpsServer commit 6153c10a9ac173e159d1f05e0db1512579b9203c Author: Simon Zolin <s.zolin@adguard.com> Date: Mon Dec 9 20:12:24 2019 +0300 * config.httpServer -> Context.httpServer commit abd021fb94039015cd45c97614e8b78d4694f956 Author: Simon Zolin <s.zolin@adguard.com> Date: Mon Dec 9 20:08:05 2019 +0300 * stats: serialize access to 'limit' commit 38c2decfd87c712100edcabe62a6d4518719cb53 Author: Simon Zolin <s.zolin@adguard.com> Date: Mon Dec 9 19:57:04 2019 +0300 * config.stats -> Context.stats commit 6caf8965ad44db9dce9a7a5103aa8fa305ad9a06 Author: Simon Zolin <s.zolin@adguard.com> Date: Mon Dec 9 19:45:23 2019 +0300 fix Restart() ... and 6 more commits
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err = s.Prepare(config)
if err != nil {
return errorx.Decorate(err, "could not reconfigure the server")
}
err = s.startInternal()
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if err != nil {
return errorx.Decorate(err, "could not reconfigure the server")
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}
return nil
}
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// ServeHTTP is a HTTP handler method we use to provide DNS-over-HTTPS
func (s *Server) ServeHTTP(w http.ResponseWriter, r *http.Request) {
s.RLock()
p := s.dnsProxy
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s.RUnlock()
if p != nil { // an attempt to protect against race in case we're here after Close() was called
p.ServeHTTP(w, r)
}
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}