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Merge: * use urlfilter v0.4.0 

Close #866

* commit '134d9275bba7de7d1550412310bc275c52bb340e':
  * use urlfilter v0.4.0
This commit is contained in:
Simon Zolin 2019-07-05 12:33:30 +03:00
parent df30248870 134d9275bb
commit 1445940473
6 changed files with 51 additions and 22 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

48
dnsfilter/dnsfilter.go
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@ -48,13 +48,12 @@ type RequestFilteringSettings struct {
// Config allows you to configure DNS filtering with New() or just change variables directly.
type Config struct {
FilteringTempFilename string `yaml:"filtering_temp_filename"` // temporary file for storing unused filtering rules
ParentalSensitivity int `yaml:"parental_sensitivity"` // must be either 3, 10, 13 or 17
ParentalEnabled bool `yaml:"parental_enabled"`
UsePlainHTTP bool `yaml:"-"` // use plain HTTP for requests to parental and safe browsing servers
SafeSearchEnabled bool `yaml:"safesearch_enabled"`
SafeBrowsingEnabled bool `yaml:"safebrowsing_enabled"`
ResolverAddress string // DNS server address
ParentalSensitivity int `yaml:"parental_sensitivity"` // must be either 3, 10, 13 or 17
ParentalEnabled bool `yaml:"parental_enabled"`
UsePlainHTTP bool `yaml:"-"` // use plain HTTP for requests to parental and safe browsing servers
SafeSearchEnabled bool `yaml:"safesearch_enabled"`
SafeBrowsingEnabled bool `yaml:"safebrowsing_enabled"`
ResolverAddress string // DNS server address
// Filtering callback function
FilterHandler func(clientAddr string, settings *RequestFilteringSettings) `yaml:"-"`
@ -82,7 +81,7 @@ type Stats struct {
// Dnsfilter holds added rules and performs hostname matches against the rules
type Dnsfilter struct {
rulesStorage *urlfilter.RulesStorage
rulesStorage *urlfilter.RuleStorage
filteringEngine *urlfilter.DNSEngine
// HTTP lookups for safebrowsing and parental
@ -95,8 +94,9 @@ type Dnsfilter struct {
// Filter represents a filter list
type Filter struct {
ID int64 `json:"id"` // auto-assigned when filter is added (see nextFilterID), json by default keeps ID uppercase but we need lowercase
Data []byte `json:"-" yaml:"-"` // List of rules divided by '\n'
ID int64 `json:"id"` // auto-assigned when filter is added (see nextFilterID), json by default keeps ID uppercase but we need lowercase
Data []byte `json:"-" yaml:"-"` // List of rules divided by '\n'
FilePath string `json:"-" yaml:"-"` // Path to a filtering rules file
}
//go:generate stringer -type=Reason
@ -527,13 +527,31 @@ func (d *Dnsfilter) lookupCommon(host string, lookupstats *LookupStats, cache gc
// Initialize urlfilter objects
func (d *Dnsfilter) initFiltering(filters map[int]string) error {
var err error
d.rulesStorage, err = urlfilter.NewRuleStorage(d.FilteringTempFilename)
if err != nil {
return err
listArray := []urlfilter.RuleList{}
for id, dataOrFilePath := range filters {
var list urlfilter.RuleList
if id == 0 {
list = &urlfilter.StringRuleList{
ID: 0,
RulesText: dataOrFilePath,
IgnoreCosmetic: false,
}
} else {
var err error
list, err = urlfilter.NewFileRuleList(id, dataOrFilePath, false)
if err != nil {
return fmt.Errorf("urlfilter.NewFileRuleList(): %s: %s", dataOrFilePath, err)
}
}
listArray = append(listArray, list)
}
d.filteringEngine = urlfilter.NewDNSEngine(filters, d.rulesStorage)
var err error
d.rulesStorage, err = urlfilter.NewRuleStorage(listArray)
if err != nil {
return fmt.Errorf("urlfilter.NewRuleStorage(): %s", err)
}
d.filteringEngine = urlfilter.NewDNSEngine(d.rulesStorage)
return nil
}

6
dnsforward/dnsforward.go
View File

@ -260,7 +260,11 @@ func (s *Server) initDNSFilter() error {
if s.conf.FilteringEnabled {
filters = make(map[int]string)
for _, f := range s.conf.Filters {
filters[int(f.ID)] = string(f.Data)
if f.ID == 0 {
filters[int(f.ID)] = string(f.Data)
} else {
filters[int(f.ID)] = f.FilePath
}
}
}

4
go.mod
View File

@ -5,12 +5,12 @@ go 1.12
require (
github.com/AdguardTeam/dnsproxy v0.15.0
github.com/AdguardTeam/golibs v0.1.3
github.com/AdguardTeam/urlfilter v0.3.0
github.com/AdguardTeam/urlfilter v0.4.0
github.com/NYTimes/gziphandler v1.1.1
github.com/bluele/gcache v0.0.0-20190203144525-2016d595ccb0
github.com/go-test/deep v1.0.1
github.com/gobuffalo/packr v1.19.0
github.com/joomcode/errorx v0.1.0
github.com/joomcode/errorx v0.8.0
github.com/kardianos/osext v0.0.0-20170510131534-ae77be60afb1 // indirect
github.com/kardianos/service v0.0.0-20181115005516-4c239ee84e7b
github.com/krolaw/dhcp4 v0.0.0-20180925202202-7cead472c414

4
go.sum
View File

@ -5,6 +5,8 @@ github.com/AdguardTeam/golibs v0.1.3 h1:hmapdTtMtIk3T8eQDwTOLdqZLGDKNKk9325uC8z1
github.com/AdguardTeam/golibs v0.1.3/go.mod h1:b0XkhgIcn2TxwX6C5AQMtpIFAgjPehNgxJErWkwA3ko=
github.com/AdguardTeam/urlfilter v0.3.0 h1:WNd3uZEYWwxylUuA8QS6V5DqHNsVFw3ZD/E2rd5HGpo=
github.com/AdguardTeam/urlfilter v0.3.0/go.mod h1:9xfZ6R2vB8LlT8G9LxtbNhDsbr/xybUOSwmJvpXhl/c=
github.com/AdguardTeam/urlfilter v0.4.0 h1:s4EFwI4+gzBdnATNKbuOY53wS2PCHgFZBv1Ixxva6tg=
github.com/AdguardTeam/urlfilter v0.4.0/go.mod h1:6YehXZ8e0Hx2MvqeQWLFom6IkPinm04tNhO1CkwAxmg=
github.com/NYTimes/gziphandler v1.1.1 h1:ZUDjpQae29j0ryrS0u/B8HZfJBtBQHjqw2rQ2cqUQ3I=
github.com/NYTimes/gziphandler v1.1.1/go.mod h1:n/CVRwUEOgIxrgPvAQhUUr9oeUtvrhMomdKFjzJNB0c=
github.com/StackExchange/wmi v0.0.0-20181212234831-e0a55b97c705 h1:UUppSQnhf4Yc6xGxSkoQpPhb7RVzuv5Nb1mwJ5VId9s=
@ -47,6 +49,8 @@ github.com/joho/godotenv v1.3.0 h1:Zjp+RcGpHhGlrMbJzXTrZZPrWj+1vfm90La1wgB6Bhc=
github.com/joho/godotenv v1.3.0/go.mod h1:7hK45KPybAkOC6peb+G5yklZfMxEjkZhHbwpqxOKXbg=
github.com/joomcode/errorx v0.1.0 h1:QmJMiI1DE1UFje2aI1ZWO/VMT5a32qBoXUclGOt8vsc=
github.com/joomcode/errorx v0.1.0/go.mod h1:kgco15ekB6cs+4Xjzo7SPeXzx38PbJzBwbnu9qfVNHQ=
github.com/joomcode/errorx v0.8.0 h1:GhAqPtcYuo1O7TOIbtzEIDzPGQ3SrKJ3tdjXNmUtDNo=
github.com/joomcode/errorx v0.8.0/go.mod h1:kgco15ekB6cs+4Xjzo7SPeXzx38PbJzBwbnu9qfVNHQ=
github.com/kardianos/osext v0.0.0-20170510131534-ae77be60afb1 h1:PJPDf8OUfOK1bb/NeTKd4f1QXZItOX389VN3B6qC8ro=
github.com/kardianos/osext v0.0.0-20170510131534-ae77be60afb1/go.mod h1:1NbS8ALrpOvjt0rHPNLyCIeMtbizbir8U//inJ+zuB8=
github.com/kardianos/service v0.0.0-20181115005516-4c239ee84e7b h1:vfiqKno48aUndBMjTeWFpCExNnTf2Xnd6d228L4EfTQ=

4
home/dns.go
View File

@ -180,8 +180,8 @@ func generateServerConfig() (dnsforward.ServerConfig, error) {
})
for _, filter := range config.Filters {
filters = append(filters, dnsfilter.Filter{
ID: filter.ID,
Data: filter.Data,
ID: filter.ID,
FilePath: filter.Path(),
})
}

7
home/filter.go
View File

@ -241,7 +241,7 @@ func refreshFiltersIfNecessary(force bool) int {
log.Info("Updated filter #%d. Rules: %d -> %d",
f.ID, f.RulesCount, uf.RulesCount)
f.Name = uf.Name
f.Data = uf.Data
f.Data = nil
f.RulesCount = uf.RulesCount
f.checksum = uf.checksum
updateCount++
@ -339,6 +339,9 @@ func (filter *filter) update() (bool, error) {
}
// saves filter contents to the file in dataDir
// This method is safe to call during filters update,
// because it creates a new file and then renames it,
// so the currently opened file descriptors to the old filter file remain valid.
func (filter *filter) save() error {
filterFilePath := filter.Path()
log.Printf("Saving filter %d contents to: %s", filter.ID, filterFilePath)
@ -369,7 +372,7 @@ func (filter *filter) load() error {
rulesCount, _ := parseFilterContents(filterFileContents)
filter.RulesCount = rulesCount
filter.Data = filterFileContents
filter.Data = nil
filter.checksum = crc32.ChecksumIEEE(filterFileContents)
filter.LastUpdated = filter.LastTimeUpdated()