paulbsd/coronafana
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updated xorm branch with tor support
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This commit is contained in:
Paul 2020-11-14 12:14:31 +01:00
parent ecacc1963e
commit bdf7f6195e
114 changed files with 15304 additions and 97 deletions
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1
.gitignore vendored
View File

@ -2,3 +2,4 @@
/*.ini
/*.json
/dist
/data-dir*

38
cmd/coronafana/coronafana.go
View File

@ -1,14 +1,13 @@
package main
import (
"fmt"
"log"
"git.paulbsd.com/paulbsd/coronafana/src/config"
"git.paulbsd.com/paulbsd/coronafana/src/coronafana"
"git.paulbsd.com/paulbsd/coronafana/src/database"
"git.paulbsd.com/paulbsd/coronafana/src/network"
_ "github.com/lib/pq"
"xorm.io/xorm"
"xorm.io/xorm/names"
)
func main() {
@ -21,32 +20,33 @@ func main() {
log.Fatalln(err)
}
db, err := xorm.NewEngine("postgres",
fmt.Sprintf("user=%s password=%s host=%s dbname=%s sslmode=disable",
cfg.DbUsername,
cfg.DbPassword,
cfg.DbHostname,
cfg.DbName))
err = database.InitDatabase(&cfg)
if err != nil {
log.Fatalln(err)
}
defer db.Close()
defer cfg.Db.Close()
db.SetMapper(names.GonicMapper{})
db.ShowSQL(cfg.Debug)
for object := range []interface{}{new(coronafana.Coronaglobaldata), new(coronafana.Coronapaysdata)} {
err = db.Sync2(object)
t, d, dc, err := network.InitTorSession()
if err != nil {
log.Fatalln(err)
}
defer dc()
defer t.Close()
cr, err = coronafana.GetData(cfg)
cr, err = coronafana.GetData(cfg, d)
if err != nil {
log.Fatalln(err)
}
// Process data
err = cr.InsertData(cfg, *db)
// Process global data
err = coronafana.InsertData(cfg, cr.Coronaglobaldata)
if err != nil {
log.Fatalln(err)
log.Println(err)
}
// Process pays data
err = coronafana.InsertData(cfg, cr.Coronapaysdata)
if err != nil {
log.Println(err)
}
}

9
go.mod
View File

@ -3,11 +3,14 @@ module git.paulbsd.com/paulbsd/coronafana
go 1.14
require (
github.com/go-sql-driver/mysql v1.5.0 // indirect
github.com/jinzhu/gorm v1.9.12 // indirect
github.com/jmoiron/sqlx v1.2.0 // indirect
github.com/cretz/bine v0.1.0
github.com/ipsn/go-libtor v1.0.230 // indirect
github.com/lib/pq v1.8.0
github.com/mattn/go-sqlite3 v2.0.1+incompatible // indirect
github.com/smartystreets/goconvey v1.6.4 // indirect
golang.org/x/crypto v0.0.0-20201112155050-0c6587e931a9 // indirect
golang.org/x/net v0.0.0-20201110031124-69a78807bb2b // indirect
golang.org/x/sys v0.0.0-20201113135734-0a15ea8d9b02 // indirect
gopkg.in/ini.v1 v1.54.0
xorm.io/xorm v1.0.4
)

57
go.sum
View File

@ -1,48 +1,44 @@
gitea.com/xorm/sqlfiddle v0.0.0-20180821085327-62ce714f951a h1:lSA0F4e9A2NcQSqGqTOXqu2aRi/XEQxDCBwM8yJtE6s=
gitea.com/xorm/sqlfiddle v0.0.0-20180821085327-62ce714f951a/go.mod h1:EXuID2Zs0pAQhH8yz+DNjUbjppKQzKFAn28TMYPB6IU=
github.com/PuerkitoBio/goquery v1.5.1/go.mod h1:GsLWisAFVj4WgDibEWF4pvYnkVQBpKBKeU+7zCJoLcc=
github.com/andybalholm/cascadia v1.1.0/go.mod h1:GsXiBklL0woXo1j/WYWtSYYC4ouU9PqHO0sqidkEA4Y=
github.com/cretz/bine v0.1.0 h1:1/fvhLE+fk0bPzjdO5Ci+0ComYxEMuB1JhM4X5skT3g=
github.com/cretz/bine v0.1.0/go.mod h1:6PF6fWAvYtwjRGkAuDEJeWNOv3a2hUouSP/yRYXmvHw=
github.com/davecgh/go-spew v1.1.0 h1:ZDRjVQ15GmhC3fiQ8ni8+OwkZQO4DARzQgrnXU1Liz8=
github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
github.com/denisenkom/go-mssqldb v0.0.0-20191124224453-732737034ffd h1:83Wprp6ROGeiHFAP8WJdI2RoxALQYgdllERc3N5N2DM=
github.com/denisenkom/go-mssqldb v0.0.0-20191124224453-732737034ffd/go.mod h1:xbL0rPBG9cCiLr28tMa8zpbdarY27NDyej4t/EjAShU=
github.com/denisenkom/go-mssqldb v0.0.0-20200428022330-06a60b6afbbc/go.mod h1:xbL0rPBG9cCiLr28tMa8zpbdarY27NDyej4t/EjAShU=
github.com/erikstmartin/go-testdb v0.0.0-20160219214506-8d10e4a1bae5 h1:Yzb9+7DPaBjB8zlTR87/ElzFsnQfuHnVUVqpZZIcV5Y=
github.com/erikstmartin/go-testdb v0.0.0-20160219214506-8d10e4a1bae5/go.mod h1:a2zkGnVExMxdzMo3M0Hi/3sEU+cWnZpSni0O6/Yb/P0=
github.com/fsnotify/fsnotify v1.4.7 h1:IXs+QLmnXW2CcXuY+8Mzv/fWEsPGWxqefPtCP5CnV9I=
github.com/fsnotify/fsnotify v1.4.7/go.mod h1:jwhsz4b93w/PPRr/qN1Yymfu8t87LnFCMoQvtojpjFo=
github.com/go-sql-driver/mysql v1.4.0/go.mod h1:zAC/RDZ24gD3HViQzih4MyKcchzm+sOG5ZlKdlhCg5w=
github.com/go-sql-driver/mysql v1.4.1/go.mod h1:zAC/RDZ24gD3HViQzih4MyKcchzm+sOG5ZlKdlhCg5w=
github.com/go-sql-driver/mysql v1.5.0 h1:ozyZYNQW3x3HtqT1jira07DN2PArx2v7/mN66gGcHOs=
github.com/go-sql-driver/mysql v1.5.0/go.mod h1:DCzpHaOWr8IXmIStZouvnhqoel9Qv2LBy8hT2VhHyBg=
github.com/golang-sql/civil v0.0.0-20190719163853-cb61b32ac6fe h1:lXe2qZdvpiX5WZkZR4hgp4KJVfY3nMkvmwbVkpv1rVY=
github.com/golang-sql/civil v0.0.0-20190719163853-cb61b32ac6fe/go.mod h1:8vg3r2VgvsThLBIFL93Qb5yWzgyZWhEmBwUJWevAkK0=
github.com/golang/protobuf v1.2.0 h1:P3YflyNX/ehuJFLhxviNdFxQPkGK5cDcApsge1SqnvM=
github.com/golang/protobuf v1.2.0/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
github.com/golang/snappy v0.0.0-20180518054509-2e65f85255db h1:woRePGFeVFfLKN/pOkfl+p/TAqKOfFu+7KPlMVpok/w=
github.com/golang/snappy v0.0.0-20180518054509-2e65f85255db/go.mod h1:/XxbfmMg8lxefKM7IXC3fBNl/7bRcc72aCRzEWrmP2Q=
github.com/gopherjs/gopherjs v0.0.0-20181017120253-0766667cb4d1 h1:EGx4pi6eqNxGaHF6qqu48+N2wcFQ5qg5FXgOdqsJ5d8=
github.com/gopherjs/gopherjs v0.0.0-20181017120253-0766667cb4d1/go.mod h1:wJfORRmW1u3UXTncJ5qlYoELFm8eSnnEO6hX4iZ3EWY=
github.com/hpcloud/tail v1.0.0 h1:nfCOvKYfkgYP8hkirhJocXT2+zOD8yUNjXaWfTlyFKI=
github.com/hpcloud/tail v1.0.0/go.mod h1:ab1qPbhIpdTxEkNHXyeSf5vhxWSCs/tWer42PpOxQnU=
github.com/jinzhu/gorm v1.9.12 h1:Drgk1clyWT9t9ERbzHza6Mj/8FY/CqMyVzOiHviMo6Q=
github.com/jinzhu/gorm v1.9.12/go.mod h1:vhTjlKSJUTWNtcbQtrMBFCxy7eXTzeCAzfL5fBZT/Qs=
github.com/jinzhu/inflection v1.0.0 h1:K317FqzuhWc8YvSVlFMCCUb36O/S9MCKRDI7QkRKD/E=
github.com/jinzhu/inflection v1.0.0/go.mod h1:h+uFLlag+Qp1Va5pdKtLDYj+kHp5pxUVkryuEj+Srlc=
github.com/jinzhu/now v1.0.1 h1:HjfetcXq097iXP0uoPCdnM4Efp5/9MsM0/M+XOTeR3M=
github.com/jinzhu/now v1.0.1/go.mod h1:d3SSVoowX0Lcu0IBviAWJpolVfI5UJVZZ7cO71lE/z8=
github.com/jmoiron/sqlx v1.2.0 h1:41Ip0zITnmWNR/vHV+S4m+VoUivnWY5E4OJfLZjCJMA=
github.com/jmoiron/sqlx v1.2.0/go.mod h1:1FEQNm3xlJgrMD+FBdI9+xvCksHtbpVBBw5dYhBSsks=
github.com/ipsn/go-libtor v1.0.230 h1:09uTWF+K/KBjc6DVbRnOz41RwGwGJO+ESwou23LR+zc=
github.com/ipsn/go-libtor v1.0.230/go.mod h1:6rIeHU7irp8ZH8E/JqaEOKlD6s4vSSUh4ngHelhlSMw=
github.com/ipsn/go-libtor v1.0.329 h1:ctrgIxm+Fiwk3oVA0x0pwNOzZWTFNoe4tanS9c3cVhc=
github.com/ipsn/go-libtor v1.0.329/go.mod h1:6rIeHU7irp8ZH8E/JqaEOKlD6s4vSSUh4ngHelhlSMw=
github.com/jtolds/gls v4.20.0+incompatible h1:xdiiI2gbIgH/gLH7ADydsJ1uDOEzR8yvV7C0MuV77Wo=
github.com/jtolds/gls v4.20.0+incompatible/go.mod h1:QJZ7F/aHp+rZTRtaJ1ow/lLfFfVYBRgL+9YlvaHOwJU=
github.com/lib/pq v1.0.0/go.mod h1:5WUZQaWbwv1U+lTReE5YruASi9Al49XbQIvNi/34Woo=
github.com/lib/pq v1.1.1 h1:sJZmqHoEaY7f+NPP8pgLB/WxulyR3fewgCM2qaSlBb4=
github.com/lib/pq v1.1.1/go.mod h1:5WUZQaWbwv1U+lTReE5YruASi9Al49XbQIvNi/34Woo=
github.com/lib/pq v1.7.0/go.mod h1:AlVN5x4E4T544tWzH6hKfbfQvm3HdbOxrmggDNAPY9o=
github.com/lib/pq v1.8.0 h1:9xohqzkUwzR4Ga4ivdTcawVS89YSDVxXMa3xJX3cGzg=
github.com/lib/pq v1.8.0/go.mod h1:AlVN5x4E4T544tWzH6hKfbfQvm3HdbOxrmggDNAPY9o=
github.com/mattn/go-sqlite3 v1.9.0/go.mod h1:FPy6KqzDD04eiIsT53CuJW3U88zkxoIYsOqkbpncsNc=
github.com/mattn/go-sqlite3 v1.14.0/go.mod h1:JIl7NbARA7phWnGvh0LKTyg7S9BA+6gx71ShQilpsus=
github.com/mattn/go-sqlite3 v2.0.1+incompatible h1:xQ15muvnzGBHpIpdrNi1DA5x0+TcBZzsIDwmw9uTHzw=
github.com/mattn/go-sqlite3 v2.0.1+incompatible/go.mod h1:FPy6KqzDD04eiIsT53CuJW3U88zkxoIYsOqkbpncsNc=
github.com/onsi/ginkgo v1.6.0/go.mod h1:lLunBs/Ym6LB5Z9jYTR76FiuTmxDTDusOGeTQH+WWjE=
github.com/onsi/ginkgo v1.7.0 h1:WSHQ+IS43OoUrWtD1/bbclrwK8TTH5hzp+umCiuxHgs=
github.com/onsi/ginkgo v1.7.0/go.mod h1:lLunBs/Ym6LB5Z9jYTR76FiuTmxDTDusOGeTQH+WWjE=
github.com/onsi/gomega v1.4.3 h1:RE1xgDvH7imwFD45h+u2SgIfERHlS2yNG4DObb5BSKU=
github.com/onsi/gomega v1.4.3/go.mod h1:ex+gbHU/CVuBBDIJjb2X0qEXbFg53c61hWP/1CpauHY=
github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
github.com/smartystreets/assertions v0.0.0-20180927180507-b2de0cb4f26d h1:zE9ykElWQ6/NYmHa3jpm/yHnI4xSofP+UP6SpjHcSeM=
github.com/smartystreets/assertions v0.0.0-20180927180507-b2de0cb4f26d/go.mod h1:OnSkiWE9lh6wB0YB77sQom3nweQdgAjqCqsofrRNTgc=
@ -50,36 +46,53 @@ github.com/smartystreets/goconvey v1.6.4 h1:fv0U8FUIMPNf1L9lnHLvLhgicrIVChEkdzIK
github.com/smartystreets/goconvey v1.6.4/go.mod h1:syvi0/a8iFYH4r/RixwvyeAJjdLS9QV7WQ/tjFTllLA=
github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=
github.com/stretchr/testify v1.4.0 h1:2E4SXV/wtOkTonXsotYi4li6zVWxYlZuYNCXe9XRJyk=
github.com/stretchr/testify v1.4.0/go.mod h1:j7eGeouHqKxXV5pUuKE4zz7dFj8WfuZ+81PSLYec5m4=
github.com/syndtr/goleveldb v1.0.0 h1:fBdIW9lB4Iz0n9khmH8w27SJ3QEJ7+IgjPEwGSZiFdE=
github.com/syndtr/goleveldb v1.0.0/go.mod h1:ZVVdQEZoIme9iO1Ch2Jdy24qqXrMMOU6lpPAyBWyWuQ=
github.com/ziutek/mymysql v1.5.4/go.mod h1:LMSpPZ6DbqWFxNCHW77HeMg9I646SAhApZ/wKdgO/C0=
golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
golang.org/x/crypto v0.0.0-20190325154230-a5d413f7728c h1:Vj5n4GlwjmQteupaxJ9+0FNOmBrHfq7vN4btdGoDZgI=
golang.org/x/crypto v0.0.0-20190325154230-a5d413f7728c/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
golang.org/x/crypto v0.0.0-20191205180655-e7c4368fe9dd h1:GGJVjV8waZKRHrgwvtH66z9ZGVurTD1MT0n1Bb+q4aM=
golang.org/x/crypto v0.0.0-20191205180655-e7c4368fe9dd/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
golang.org/x/crypto v0.0.0-20190404164418-38d8ce5564a5/go.mod h1:WFFai1msRO1wXaEeE5yQxYXgSfI8pQAWXbQop6sCtWE=
golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
golang.org/x/crypto v0.0.0-20201112155050-0c6587e931a9 h1:umElSU9WZirRdgu2yFHY0ayQkEnKiOC1TtM3fWXFnoU=
golang.org/x/crypto v0.0.0-20201112155050-0c6587e931a9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
golang.org/x/net v0.0.0-20180218175443-cbe0f9307d01/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
golang.org/x/net v0.0.0-20180724234803-3673e40ba225/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
golang.org/x/net v0.0.0-20180906233101-161cd47e91fd/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
golang.org/x/net v0.0.0-20190311183353-d8887717615a/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
golang.org/x/net v0.0.0-20200202094626-16171245cfb2/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
golang.org/x/net v0.0.0-20200324143707-d3edc9973b7e h1:3G+cUijn7XD+S4eJFddp53Pv7+slrESplyjG25HgL+k=
golang.org/x/net v0.0.0-20200324143707-d3edc9973b7e/go.mod h1:qpuaurCH72eLCgpAm/N6yyVIVM9cpaDIP3A8BGJEC5A=
golang.org/x/net v0.0.0-20201110031124-69a78807bb2b h1:uwuIcX0g4Yl1NC5XAz37xsr2lTtcqevgzYNVt49waME=
golang.org/x/net v0.0.0-20201110031124-69a78807bb2b/go.mod h1:sp8m0HH+o8qH0wwXwYZr8TS3Oi6o0r6Gce1SSxlDquU=
golang.org/x/sync v0.0.0-20180314180146-1d60e4601c6f h1:wMNYb4v58l5UBM7MYRLPG6ZhfOqbKu7X5eyFl8ZhKvA=
golang.org/x/sync v0.0.0-20180314180146-1d60e4601c6f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
golang.org/x/sys v0.0.0-20180909124046-d0be0721c37e/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
golang.org/x/sys v0.0.0-20190403152447-81d4e9dc473e/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20200323222414-85ca7c5b95cd h1:xhmwyvizuTgC2qz7ZlMluP20uW+C3Rm0FD/WLDX8884=
golang.org/x/sys v0.0.0-20200323222414-85ca7c5b95cd/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20200930185726-fdedc70b468f/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20201113135734-0a15ea8d9b02 h1:5Ftd3YbC/kANXWCBjvppvUmv1BMakgFcBKA7MpYYp4M=
golang.org/x/sys v0.0.0-20201113135734-0a15ea8d9b02/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/text v0.3.0 h1:g61tztE5qeGQ89tm6NTjjM9VPIm088od1l6aSorWRWg=
golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
golang.org/x/tools v0.0.0-20190328211700-ab21143f2384/go.mod h1:LCzVGOaR6xXOjkQ3onu1FJEFr0SW1gC7cKk1uF8kGRs=
google.golang.org/appengine v1.4.0/go.mod h1:xpcJRLb0r/rnEns0DIKYYv+WjYCduHsrkT7/EB5XEv4=
gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
gopkg.in/fsnotify.v1 v1.4.7 h1:xOHLXZwVvI9hhs+cLKq5+I5onOuwQLhQwiu63xxlHs4=
gopkg.in/fsnotify.v1 v1.4.7/go.mod h1:Tz8NjZHkW78fSQdbUxIjBTcgA1z1m8ZHf0WmKUhAMys=
gopkg.in/ini.v1 v1.54.0 h1:oM5ElzbIi7gwLnNbPX2M25ED1vSAK3B6dex50eS/6Fs=
gopkg.in/ini.v1 v1.54.0/go.mod h1:pNLf8WUiyNEtQjuu5G5vTm06TEv9tsIgeAvK8hOrP4k=
gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7 h1:uRGJdciOHaEIrze2W8Q3AKkepLTh2hOroT7a+7czfdQ=
gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7/go.mod h1:dt/ZhP58zS4L8KSrWDmTeBkI65Dw0HsyUHuEVlX15mw=
gopkg.in/yaml.v2 v2.2.1/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
gopkg.in/yaml.v2 v2.2.2 h1:ZCJp+EgiOT7lHqUV2J862kp8Qj64Jo6az82+3Td9dZw=
gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
xorm.io/builder v0.3.7 h1:2pETdKRK+2QG4mLX4oODHEhn5Z8j1m8sXa7jfu+/SZI=
xorm.io/builder v0.3.7/go.mod h1:aUW0S9eb9VCaPohFCH3j7czOx1PMW3i1HrSzbLYGBSE=

2
src/config/main.go
View File

@ -5,6 +5,7 @@ import (
"git.paulbsd.com/paulbsd/coronafana/utils"
"gopkg.in/ini.v1"
"xorm.io/xorm"
)
// GetConfig fetch configuration
@ -45,6 +46,7 @@ func (config *Config) GetConfig() (err error) {
// Config is the global config of g2g
type Config struct {
CoronaURL string
Db *xorm.Engine
Debug bool
Diffdays int `ini:"diffdays"`
DbHostname string `ini:"db_hostname"`

86
src/coronafana/main.go
View File

@ -6,16 +6,18 @@ import (
"io/ioutil"
"log"
"net/http"
"reflect"
"strings"
"time"
"git.paulbsd.com/paulbsd/coronafana/src/config"
"github.com/cretz/bine/tor"
"xorm.io/xorm"
)
// GetData fetch data from open data portal
func GetData(cfg config.Config) (cr Coronafana, err error) {
var client http.Client
func GetData(cfg config.Config, d *tor.Dialer) (cr Coronafana, err error) {
var client = &http.Client{Transport: &http.Transport{DialContext: d.DialContext}}
log.Println("Getting JSON file ...")
@ -46,73 +48,59 @@ func GetData(cfg config.Config) (cr Coronafana, err error) {
}
// InsertData insert data to MySQL / MariaDB
func (cr Coronafana) InsertData(cfg config.Config, db xorm.Engine) (err error) {
func InsertData(cfg config.Config, data interface{}) (err error) {
var tx *xorm.Session
var i int
var cgd []Coronaglobaldata
var cpd []Coronapaysdata
var globalparseddate time.Time
var paysparseddate time.Time
tx = db.NewSession()
var cd []interface{}
var parseddate time.Time
tx = cfg.Db.NewSession()
defer tx.Close()
log.Println("Getting max dates")
err = db.Desc("date").Limit(1, cfg.Diffdays).Find(&cgd)
if len(cgd) > 0 {
globalparseddate = cgd[0].Date
if err != nil {
return
}
}
err = cfg.Db.Desc("date").Limit(1, cfg.Diffdays).Find(&data)
err = db.Desc("date").Limit(1, cfg.Diffdays).Find(&cpd)
if len(cgd) > 0 {
paysparseddate = cpd[0].Date
if len(cd) > 0 {
if reflect.TypeOf(data) == reflect.TypeOf(new(Coronaglobaldata)) {
datac := data.([]Coronaglobaldata)
parseddate = datac[0].Date
} else if reflect.TypeOf(data) == reflect.TypeOf(new(Coronapaysdata)) {
datac := data.([]Coronapaysdata)
parseddate = datac[0].Date
}
if err != nil {
return
}
}
tx.Begin()
log.Println("Start inserting data ...")
i = 0
log.Println("Start inserting global data ...")
for _, dt := range cr.Coronaglobaldata {
if dt.Date, err = GetParsedDate(dt.DateString); dt.Date.After(globalparseddate) {
_, err = tx.Insert(&dt)
if err != nil {
if !strings.Contains(err.Error(), "Error 1062") {
return
if reflect.TypeOf(data) == reflect.TypeOf([]Coronaglobaldata{}) {
for _, dt := range data.([]Coronaglobaldata) {
if dt.Date, err = GetParsedDate(dt.DateString); dt.Date.After(parseddate) {
_, err = tx.Insert(&dt)
if err != nil {
if !strings.Contains(err.Error(), "Error 1062") {
return
}
}
i++
}
i++
}
}
err = tx.Commit()
if err != nil {
return
}
if i > 0 {
log.Println(fmt.Sprintf("%d entries inserted", i))
} else {
log.Println("No entry inserted")
}
i = 0
log.Println("Start inserting pays data ...")
for _, dt := range cr.Coronapaysdata {
if dt.Date, err = GetParsedDate(dt.DateString); dt.Date.After(paysparseddate) {
_, err = tx.Insert(&dt)
if err != nil {
if !strings.Contains(err.Error(), "Error 1062") {
return
} else if reflect.TypeOf(data) == reflect.TypeOf([]Coronapaysdata{}) {
for _, dt := range data.([]Coronapaysdata) {
if dt.Date, err = GetParsedDate(dt.DateString); dt.Date.After(parseddate) {
_, err = tx.Insert(&dt)
if err != nil {
if !strings.Contains(err.Error(), "Error 1062") {
return
}
}
i++
}
i++
}
}

39
src/database/main.go Normal file
View File

@ -0,0 +1,39 @@
package database
import (
"fmt"
"git.paulbsd.com/paulbsd/coronafana/src/config"
"git.paulbsd.com/paulbsd/coronafana/src/coronafana"
"xorm.io/xorm"
"xorm.io/xorm/names"
)
// InitDatabase ...
func InitDatabase(cfg *config.Config) (err error) {
var tables = []interface{}{
new(coronafana.Coronaglobaldata),
new(coronafana.Coronapaysdata),
}
cfg.Db, err = xorm.NewEngine("postgres",
fmt.Sprintf("user=%s password=%s host=%s dbname=%s sslmode=disable",
cfg.DbUsername,
cfg.DbPassword,
cfg.DbHostname,
cfg.DbName))
if err != nil {
return
}
cfg.Db.SetMapper(names.GonicMapper{})
cfg.Db.ShowSQL(cfg.Debug)
for _, object := range tables {
err = cfg.Db.Sync2(object)
if err != nil {
return
}
}
return
}

25
src/network/main.go Normal file
View File

@ -0,0 +1,25 @@
package network
import (
"context"
"log"
"time"
"github.com/cretz/bine/tor"
)
// InitTorSession initialize a tor session
func InitTorSession() (t *tor.Tor, dialer *tor.Dialer, dialCancel context.CancelFunc, err error) {
t, err = tor.Start(nil, nil)
if err != nil {
log.Panicf("Failed to start tor: %v", err)
}
// Wait at most a minute to start network and get
dialCtx, dialCancel := context.WithTimeout(context.Background(), time.Minute)
dialer, err = t.Dialer(dialCtx, nil)
if err != nil {
return
}
return
}

21
vendor/github.com/cretz/bine/LICENSE generated vendored Normal file
View File

@ -0,0 +1,21 @@
MIT License
Copyright (c) 2018 Chad Retz
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

108
vendor/github.com/cretz/bine/control/cmd_authenticate.go generated vendored Normal file
View File

@ -0,0 +1,108 @@
package control
import (
"crypto/hmac"
"crypto/rand"
"crypto/sha256"
"encoding/hex"
"io/ioutil"
"strings"
)
// Authenticate authenticates with the Tor instance using the "best" possible
// authentication method if not already authenticated and sets the Authenticated
// field. The password argument is optional, and will only be used if the
// "SAFECOOKIE" and "NULL" authentication methods are not available and
// "HASHEDPASSWORD" is.
func (c *Conn) Authenticate(password string) error {
if c.Authenticated {
return nil
}
// Determine the supported authentication methods, and the cookie path.
pi, err := c.ProtocolInfo()
if err != nil {
return err
}
// Get the bytes to pass to with authenticate
var authBytes []byte
if pi.HasAuthMethod("NULL") {
// No auth bytes
} else if pi.HasAuthMethod("SAFECOOKIE") {
if pi.CookieFile == "" {
return c.protoErr("Invalid (empty) COOKIEFILE")
}
cookie, err := ioutil.ReadFile(pi.CookieFile)
if err != nil {
return c.protoErr("Failed to read COOKIEFILE: %v", err)
} else if len(cookie) != 32 {
return c.protoErr("Invalid cookie file length: %v", len(cookie))
}
// Send an AUTHCHALLENGE command, and parse the response.
var clientNonce [32]byte
if _, err := rand.Read(clientNonce[:]); err != nil {
return c.protoErr("Failed to generate clientNonce: %v", err)
}
resp, err := c.SendRequest("AUTHCHALLENGE %s %s", "SAFECOOKIE", hex.EncodeToString(clientNonce[:]))
if err != nil {
return err
}
splitResp := strings.Split(resp.Reply, " ")
if len(splitResp) != 3 || !strings.HasPrefix(splitResp[1], "SERVERHASH=") ||
!strings.HasPrefix(splitResp[2], "SERVERNONCE=") {
return c.protoErr("Invalid AUTHCHALLENGE response")
}
serverHash, err := hex.DecodeString(splitResp[1][11:])
if err != nil {
return c.protoErr("Failed to decode ServerHash: %v", err)
}
if len(serverHash) != 32 {
return c.protoErr("Invalid ServerHash length: %d", len(serverHash))
}
serverNonce, err := hex.DecodeString(splitResp[2][12:])
if err != nil {
return c.protoErr("Failed to decode ServerNonce: %v", err)
}
if len(serverNonce) != 32 {
return c.protoErr("Invalid ServerNonce length: %d", len(serverNonce))
}
// Validate the ServerHash.
m := hmac.New(sha256.New, []byte("Tor safe cookie authentication server-to-controller hash"))
m.Write(cookie)
m.Write(clientNonce[:])
m.Write(serverNonce)
dervServerHash := m.Sum(nil)
if !hmac.Equal(serverHash, dervServerHash) {
return c.protoErr("invalid ServerHash: mismatch")
}
// Calculate the ClientHash, and issue the AUTHENTICATE.
m = hmac.New(sha256.New, []byte("Tor safe cookie authentication controller-to-server hash"))
m.Write(cookie)
m.Write(clientNonce[:])
m.Write(serverNonce)
authBytes = m.Sum(nil)
} else if pi.HasAuthMethod("HASHEDPASSWORD") {
// Despite the name HASHEDPASSWORD, the raw password is actually sent. According to the code, this can either be
// a QuotedString, or base16 encoded, so go with the later since it's easier to handle.
if password == "" {
return c.protoErr("password auth needs a password")
}
authBytes = []byte(password)
} else {
return c.protoErr("No supported authentication methods")
}
// Send it
if err = c.sendAuthenticate(authBytes); err == nil {
c.Authenticated = true
}
return err
}
func (c *Conn) sendAuthenticate(byts []byte) error {
if len(byts) == 0 {
return c.sendRequestIgnoreResponse("AUTHENTICATE")
}
return c.sendRequestIgnoreResponse("AUTHENTICATE %v", hex.EncodeToString(byts))
}

38
vendor/github.com/cretz/bine/control/cmd_circuit.go generated vendored Normal file
View File

@ -0,0 +1,38 @@
package control
import (
"strings"
)
// ExtendCircuit invokes EXTENDCIRCUIT and returns the circuit ID on success.
func (c *Conn) ExtendCircuit(circuitID string, path []string, purpose string) (string, error) {
if circuitID == "" {
circuitID = "0"
}
cmd := "EXTENDCIRCUIT " + circuitID
if len(path) > 0 {
cmd += " " + strings.Join(path, ",")
}
if purpose != "" {
cmd += " purpose=" + purpose
}
resp, err := c.SendRequest(cmd)
if err != nil {
return "", err
}
return resp.Reply[strings.LastIndexByte(resp.Reply, ' ')+1:], nil
}
// SetCircuitPurpose invokes SETCIRCUITPURPOSE.
func (c *Conn) SetCircuitPurpose(circuitID string, purpose string) error {
return c.sendRequestIgnoreResponse("SETCIRCUITPURPOSE %v purpose=%v", circuitID, purpose)
}
// CloseCircuit invokes CLOSECIRCUIT.
func (c *Conn) CloseCircuit(circuitID string, flags []string) error {
cmd := "CLOSECIRCUIT " + circuitID
for _, flag := range flags {
cmd += " " + flag
}
return c.sendRequestIgnoreResponse(cmd)
}

65
vendor/github.com/cretz/bine/control/cmd_conf.go generated vendored Normal file
View File

@ -0,0 +1,65 @@
package control
import (
"strings"
"github.com/cretz/bine/torutil"
)
// SetConf invokes SETCONF.
func (c *Conn) SetConf(entries ...*KeyVal) error {
return c.sendSetConf("SETCONF", entries)
}
// ResetConf invokes RESETCONF.
func (c *Conn) ResetConf(entries ...*KeyVal) error {
return c.sendSetConf("RESETCONF", entries)
}
func (c *Conn) sendSetConf(cmd string, entries []*KeyVal) error {
for _, entry := range entries {
cmd += " " + entry.Key
if entry.ValSet() {
cmd += "=" + torutil.EscapeSimpleQuotedStringIfNeeded(entry.Val)
}
}
return c.sendRequestIgnoreResponse(cmd)
}
// GetConf invokes GETCONF and returns the values for the requested keys.
func (c *Conn) GetConf(keys ...string) ([]*KeyVal, error) {
resp, err := c.SendRequest("GETCONF %v", strings.Join(keys, " "))
if err != nil {
return nil, err
}
data := resp.DataWithReply()
ret := make([]*KeyVal, 0, len(data))
for _, data := range data {
key, val, ok := torutil.PartitionString(data, '=')
entry := &KeyVal{Key: key}
if ok {
if entry.Val, err = torutil.UnescapeSimpleQuotedStringIfNeeded(val); err != nil {
return nil, err
}
if len(entry.Val) == 0 {
entry.ValSetAndEmpty = true
}
}
ret = append(ret, entry)
}
return ret, nil
}
// SaveConf invokes SAVECONF.
func (c *Conn) SaveConf(force bool) error {
cmd := "SAVECONF"
if force {
cmd += " FORCE"
}
return c.sendRequestIgnoreResponse(cmd)
}
// LoadConf invokes LOADCONF.
func (c *Conn) LoadConf(conf string) error {
return c.sendRequestIgnoreResponse("+LOADCONF\r\n%v\r\n.", conf)
}

1218
vendor/github.com/cretz/bine/control/cmd_event.go generated vendored Normal file
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File diff suppressed because it is too large Load Diff

23
vendor/github.com/cretz/bine/control/cmd_hiddenservice.go generated vendored Normal file
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@ -0,0 +1,23 @@
package control
// GetHiddenServiceDescriptorAsync invokes HSFETCH.
func (c *Conn) GetHiddenServiceDescriptorAsync(address string, server string) error {
cmd := "HSFETCH " + address
if server != "" {
cmd += " SERVER=" + server
}
return c.sendRequestIgnoreResponse(cmd)
}
// PostHiddenServiceDescriptorAsync invokes HSPOST.
func (c *Conn) PostHiddenServiceDescriptorAsync(desc string, servers []string, address string) error {
cmd := "+HSPOST"
for _, server := range servers {
cmd += " SERVER=" + server
}
if address != "" {
cmd += "HSADDRESS=" + address
}
cmd += "\r\n" + desc + "\r\n."
return c.sendRequestIgnoreResponse(cmd)
}

92
vendor/github.com/cretz/bine/control/cmd_misc.go generated vendored Normal file
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@ -0,0 +1,92 @@
package control
import (
"strings"
"github.com/cretz/bine/torutil"
)
// Signal invokes SIGNAL.
func (c *Conn) Signal(signal string) error {
return c.sendRequestIgnoreResponse("SIGNAL %v", signal)
}
// Quit invokes QUIT.
func (c *Conn) Quit() error {
return c.sendRequestIgnoreResponse("QUIT")
}
// MapAddresses invokes MAPADDRESS and returns mapped addresses.
func (c *Conn) MapAddresses(addresses ...*KeyVal) ([]*KeyVal, error) {
cmd := "MAPADDRESS"
for _, address := range addresses {
cmd += " " + address.Key + "=" + address.Val
}
resp, err := c.SendRequest(cmd)
if err != nil {
return nil, err
}
data := resp.DataWithReply()
ret := make([]*KeyVal, 0, len(data))
for _, address := range data {
mappedAddress := &KeyVal{}
mappedAddress.Key, mappedAddress.Val, _ = torutil.PartitionString(address, '=')
ret = append(ret, mappedAddress)
}
return ret, nil
}
// GetInfo invokes GETINTO and returns values for requested keys.
func (c *Conn) GetInfo(keys ...string) ([]*KeyVal, error) {
resp, err := c.SendRequest("GETINFO %v", strings.Join(keys, " "))
if err != nil {
return nil, err
}
ret := make([]*KeyVal, 0, len(resp.Data))
for _, val := range resp.Data {
infoVal := &KeyVal{}
infoVal.Key, infoVal.Val, _ = torutil.PartitionString(val, '=')
if infoVal.Val, err = torutil.UnescapeSimpleQuotedStringIfNeeded(infoVal.Val); err != nil {
return nil, err
}
ret = append(ret, infoVal)
}
return ret, nil
}
// PostDescriptor invokes POSTDESCRIPTOR.
func (c *Conn) PostDescriptor(descriptor string, purpose string, cache string) error {
cmd := "+POSTDESCRIPTOR"
if purpose != "" {
cmd += " purpose=" + purpose
}
if cache != "" {
cmd += " cache=" + cache
}
cmd += "\r\n" + descriptor + "\r\n."
return c.sendRequestIgnoreResponse(cmd)
}
// UseFeatures invokes USEFEATURE.
func (c *Conn) UseFeatures(features ...string) error {
return c.sendRequestIgnoreResponse("USEFEATURE " + strings.Join(features, " "))
}
// ResolveAsync invokes RESOLVE.
func (c *Conn) ResolveAsync(address string, reverse bool) error {
cmd := "RESOLVE "
if reverse {
cmd += "mode=reverse "
}
return c.sendRequestIgnoreResponse(cmd + address)
}
// TakeOwnership invokes TAKEOWNERSHIP.
func (c *Conn) TakeOwnership() error {
return c.sendRequestIgnoreResponse("TAKEOWNERSHIP")
}
// DropGuards invokes DROPGUARDS.
func (c *Conn) DropGuards() error {
return c.sendRequestIgnoreResponse("DROPGUARDS")
}

201
vendor/github.com/cretz/bine/control/cmd_onion.go generated vendored Normal file
View File

@ -0,0 +1,201 @@
package control
import (
"crypto/rsa"
"crypto/x509"
"encoding/base64"
"fmt"
"strconv"
"strings"
"github.com/cretz/bine/torutil"
"github.com/cretz/bine/torutil/ed25519"
)
// KeyType is a key type for Key in AddOnion.
type KeyType string
const (
// KeyTypeNew is NEW.
KeyTypeNew KeyType = "NEW"
// KeyTypeRSA1024 is RSA1024.
KeyTypeRSA1024 KeyType = "RSA1024"
// KeyTypeED25519V3 is ED25519-V3.
KeyTypeED25519V3 KeyType = "ED25519-V3"
)
// KeyAlgo is a key algorithm for GenKey on AddOnion.
type KeyAlgo string
const (
// KeyAlgoBest is BEST.
KeyAlgoBest KeyAlgo = "BEST"
// KeyAlgoRSA1024 is RSA1024.
KeyAlgoRSA1024 KeyAlgo = "RSA1024"
// KeyAlgoED25519V3 is ED25519-V3.
KeyAlgoED25519V3 KeyAlgo = "ED25519-V3"
)
// Key is a type of key to use for AddOnion. Implementations include GenKey,
// RSAKey, and ED25519Key.
type Key interface {
// Type is the KeyType for AddOnion.
Type() KeyType
// Blob is the serialized key for AddOnion.
Blob() string
}
// KeyFromString creates a Key for AddOnion based on a response string.
func KeyFromString(str string) (Key, error) {
typ, blob, _ := torutil.PartitionString(str, ':')
switch KeyType(typ) {
case KeyTypeNew:
return GenKeyFromBlob(blob), nil
case KeyTypeRSA1024:
return RSA1024KeyFromBlob(blob)
case KeyTypeED25519V3:
return ED25519KeyFromBlob(blob)
default:
return nil, fmt.Errorf("Unrecognized key type: %v", typ)
}
}
// GenKey is a Key for AddOnion that asks Tor to generate a key for the given
// algorithm.
type GenKey KeyAlgo
// GenKeyFromBlob creates a GenKey for the given response blob which is a
// KeyAlgo.
func GenKeyFromBlob(blob string) GenKey { return GenKey(KeyAlgo(blob)) }
// Type implements Key.Type.
func (GenKey) Type() KeyType { return KeyTypeNew }
// Blob implements Key.Blob.
func (g GenKey) Blob() string { return string(g) }
// RSAKey is a Key for AddOnion that is a RSA-1024 key (i.e. v2).
type RSAKey struct{ *rsa.PrivateKey }
// RSA1024KeyFromBlob creates a RSAKey for the given response blob.
func RSA1024KeyFromBlob(blob string) (*RSAKey, error) {
byts, err := base64.StdEncoding.DecodeString(blob)
if err != nil {
return nil, err
}
rsaKey, err := x509.ParsePKCS1PrivateKey(byts)
if err != nil {
return nil, err
}
return &RSAKey{rsaKey}, nil
}
// Type implements Key.Type.
func (*RSAKey) Type() KeyType { return KeyTypeRSA1024 }
// Blob implements Key.Blob.
func (r *RSAKey) Blob() string {
return base64.StdEncoding.EncodeToString(x509.MarshalPKCS1PrivateKey(r.PrivateKey))
}
// ED25519Key is a Key for AddOnion that is a ed25519 key (i.e. v3).
type ED25519Key struct{ ed25519.KeyPair }
// ED25519KeyFromBlob creates a ED25519Key for the given response blob.
func ED25519KeyFromBlob(blob string) (*ED25519Key, error) {
byts, err := base64.StdEncoding.DecodeString(blob)
if err != nil {
return nil, err
}
return &ED25519Key{ed25519.PrivateKey(byts).KeyPair()}, nil
}
// Type implements Key.Type.
func (*ED25519Key) Type() KeyType { return KeyTypeED25519V3 }
// Blob implements Key.Blob.
func (e *ED25519Key) Blob() string { return base64.StdEncoding.EncodeToString(e.PrivateKey()) }
// AddOnionRequest is a set of request params for AddOnion.
type AddOnionRequest struct {
// Key is the key to use or GenKey if Tor should generate it.
Key Key
// Flags are ADD_ONION flags.
Flags []string
// MaxStreams is ADD_ONION MaxStreams.
MaxStreams int
// Ports are ADD_ONION Port values. Key is virtual port, Val is target
// port (or can be empty to use virtual port).
Ports []*KeyVal
// ClientAuths are ADD_ONION ClientAuth values. If value is empty string,
// Tor will generate the password.
ClientAuths map[string]string
}
// AddOnionResponse is the response for AddOnion.
type AddOnionResponse struct {
// ServiceID is the ADD_ONION response ServiceID value.
ServiceID string
// Key is the ADD_ONION response PrivateKey value.
Key Key
// ClientAuths are the ADD_ONION response ClientAuth values.
ClientAuths map[string]string
// RawResponse is the raw ADD_ONION response.
RawResponse *Response
}
// AddOnion invokes ADD_ONION and returns its response.
func (c *Conn) AddOnion(req *AddOnionRequest) (*AddOnionResponse, error) {
// Build command
if req.Key == nil {
return nil, c.protoErr("Key required")
}
cmd := "ADD_ONION " + string(req.Key.Type()) + ":" + req.Key.Blob()
if len(req.Flags) > 0 {
cmd += " Flags=" + strings.Join(req.Flags, ",")
}
if req.MaxStreams > 0 {
cmd += " MaxStreams=" + strconv.Itoa(req.MaxStreams)
}
for _, port := range req.Ports {
cmd += " Port=" + port.Key
if port.Val != "" {
cmd += "," + port.Val
}
}
for name, blob := range req.ClientAuths {
cmd += " ClientAuth=" + name
if blob != "" {
cmd += ":" + blob
}
}
// Invoke and read response
resp, err := c.SendRequest(cmd)
if err != nil {
return nil, err
}
ret := &AddOnionResponse{RawResponse: resp}
for _, data := range resp.Data {
key, val, _ := torutil.PartitionString(data, '=')
switch key {
case "ServiceID":
ret.ServiceID = val
case "PrivateKey":
if ret.Key, err = KeyFromString(val); err != nil {
return nil, err
}
case "ClientAuth":
name, pass, _ := torutil.PartitionString(val, ':')
if ret.ClientAuths == nil {
ret.ClientAuths = map[string]string{}
}
ret.ClientAuths[name] = pass
}
}
return ret, nil
}
// DelOnion invokes DELONION.
func (c *Conn) DelOnion(serviceID string) error {
return c.sendRequestIgnoreResponse("DEL_ONION %v", serviceID)
}

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package control
import (
"strings"
"github.com/cretz/bine/torutil"
)
// ProtocolInfo is the protocol info result of Conn.ProtocolInfo.
type ProtocolInfo struct {
AuthMethods []string
CookieFile string
TorVersion string
RawResponse *Response
}
// HasAuthMethod checks if ProtocolInfo contains the requested auth method.
func (p *ProtocolInfo) HasAuthMethod(authMethod string) bool {
for _, m := range p.AuthMethods {
if m == authMethod {
return true
}
}
return false
}
// ProtocolInfo invokes PROTOCOLINFO on first invocation and returns a cached
// result on all others.
func (c *Conn) ProtocolInfo() (*ProtocolInfo, error) {
var err error
if c.protocolInfo == nil {
c.protocolInfo, err = c.sendProtocolInfo()
}
return c.protocolInfo, err
}
func (c *Conn) sendProtocolInfo() (*ProtocolInfo, error) {
resp, err := c.SendRequest("PROTOCOLINFO")
if err != nil {
return nil, err
}
// Check data vals
ret := &ProtocolInfo{RawResponse: resp}
for _, piece := range resp.Data {
key, val, ok := torutil.PartitionString(piece, ' ')
if !ok {
continue
}
switch key {
case "PROTOCOLINFO":
if val != "1" {
return nil, c.protoErr("Invalid PIVERSION: %v", val)
}
case "AUTH":
methods, cookieFile, _ := torutil.PartitionString(val, ' ')
if !strings.HasPrefix(methods, "METHODS=") {
continue
}
if cookieFile != "" {
if !strings.HasPrefix(cookieFile, "COOKIEFILE=") {
continue
}
if ret.CookieFile, err = torutil.UnescapeSimpleQuotedString(cookieFile[11:]); err != nil {
continue
}
}
ret.AuthMethods = strings.Split(methods[8:], ",")
case "VERSION":
torVersion, _, _ := torutil.PartitionString(val, ' ')
if strings.HasPrefix(torVersion, "Tor=") {
ret.TorVersion, err = torutil.UnescapeSimpleQuotedString(torVersion[4:])
}
}
}
return ret, nil
}

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package control
import (
"strconv"
)
// AttachStream invokes ATTACHSTREAM.
func (c *Conn) AttachStream(streamID string, circuitID string, hopNum int) error {
if circuitID == "" {
circuitID = "0"
}
cmd := "ATTACHSTREAM " + streamID + " " + circuitID
if hopNum > 0 {
cmd += " HOP=" + strconv.Itoa(hopNum)
}
return c.sendRequestIgnoreResponse(cmd)
}
// RedirectStream invokes REDIRECTSTREAM.
func (c *Conn) RedirectStream(streamID string, address string, port int) error {
cmd := "REDIRECTSTREAM " + streamID + " " + address
if port > 0 {
cmd += " " + strconv.Itoa(port)
}
return c.sendRequestIgnoreResponse(cmd)
}
// CloseStream invokes CLOSESTREAM.
func (c *Conn) CloseStream(streamID string, reason string) error {
return c.sendRequestIgnoreResponse("CLOSESTREAM %v %v", streamID, reason)
}

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package control
import (
"fmt"
"io"
"net/textproto"
"sync"
)
// Conn is the connection to the Tor control port.
type Conn struct {
// DebugWriter is the writer that debug logs for this library (not Tor
// itself) will be written to. If nil, no debug logs are generated/written.
DebugWriter io.Writer
// This is the underlying connection.
conn *textproto.Conn
// This is set lazily by ProtocolInfo().
protocolInfo *ProtocolInfo
// True if Authenticate has been called successfully.
Authenticated bool
// The lock fot eventListeners
eventListenersLock sync.RWMutex
// The value slices can be traversed outside of lock, they are completely
// replaced on change, never mutated. But the map itself must be locked on
// when reading or writing.
eventListeners map[EventCode][]chan<- Event
// This mutex is locked on when an entire response needs to be read. It
// helps synchronize accesses to the response by the asynchronous response
// listeners and the synchronous responses.
readLock sync.Mutex
}
// NewConn creates a Conn from the given textproto connection.
func NewConn(conn *textproto.Conn) *Conn {
return &Conn{
conn: conn,
eventListeners: map[EventCode][]chan<- Event{},
}
}
func (c *Conn) sendRequestIgnoreResponse(format string, args ...interface{}) error {
_, err := c.SendRequest(format, args...)
return err
}
// SendRequest sends a synchronous request to Tor and awaits the response. If
// the response errors, the error result will be set, but the response will be
// set also. This is usually not directly used by callers, but instead called by
// higher-level methods.
func (c *Conn) SendRequest(format string, args ...interface{}) (*Response, error) {
if c.debugEnabled() {
c.debugf("Write line: %v", fmt.Sprintf(format, args...))
}
id, err := c.conn.Cmd(format, args...)
if err != nil {
return nil, err
}
c.readLock.Lock()
defer c.readLock.Unlock()
c.conn.StartResponse(id)
defer c.conn.EndResponse(id)
// Get the first non-async response
var resp *Response
for {
if resp, err = c.ReadResponse(); err != nil || !resp.IsAsync() {
break
}
c.relayAsyncEvents(resp)
}
if err == nil && !resp.IsOk() {
err = resp.Err
}
return resp, err
}
// Close sends a QUIT and closes the underlying Tor connection. This does not
// error if the QUIT is not accepted but does relay any error that occurs while
// closing the underlying connection.
func (c *Conn) Close() error {
// Ignore the response and ignore the error
c.Quit()
return c.conn.Close()
}
func (c *Conn) debugEnabled() bool {
return c.DebugWriter != nil
}
func (c *Conn) debugf(format string, args ...interface{}) {
if w := c.DebugWriter; w != nil {
fmt.Fprintf(w, format+"\n", args...)
}
}
func (*Conn) protoErr(format string, args ...interface{}) textproto.ProtocolError {
return textproto.ProtocolError(fmt.Sprintf(format, args...))
}

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vendor/github.com/cretz/bine/control/doc.go generated vendored Normal file
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// Package control implements a low-level client for the Tor control spec
// version 1.
//
// The primary entrypoint is the Conn struct, instantiated with NewConn. This is
// the low-level layer to the control port of an already-running Tor instance.
// Most developers will prefer the tor package adjacent to this one for a higher
// level abstraction over the process and this connection.
//
// Some of this code is lifted from https://github.com/yawning/bulb with thanks.
package control

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package control
// KeyVal is a simple key-value struct. In cases where Val can be nil, an empty
// string represents that unless ValSetAndEmpty is true.
type KeyVal struct {
// Key is the always-present key
Key string
// Val is the value. If it's an empty string and nils are accepted/supported
// where this is used, it means nil unless ValSetAndEmpty is true.
Val string
// ValSetAndEmpty is true when Val is an empty string, the associated
// command supports nils, and Val should NOT be treated as nil. False
// otherwise.
ValSetAndEmpty bool
}
// NewKeyVal creates a new key-value pair.
func NewKeyVal(key string, val string) *KeyVal {
return &KeyVal{Key: key, Val: val}
}
// KeyVals creates multiple new key-value pairs from the given strings. The
// provided set of strings must have a length that is a multiple of 2.
func KeyVals(keysAndVals ...string) []*KeyVal {
if len(keysAndVals)%2 != 0 {
panic("Expected multiple of 2")
}
ret := make([]*KeyVal, len(keysAndVals)/2)
for i := 0; i < len(ret); i++ {
ret[i] = NewKeyVal(keysAndVals[i*2], keysAndVals[i*2+1])
}
return ret
}
// ValSet returns true if Val is either non empty or ValSetAndEmpty is true.
func (k *KeyVal) ValSet() bool {
return len(k.Val) > 0 || k.ValSetAndEmpty
}

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package control
import (
"net/textproto"
"strconv"
"strings"
)
// Response is a response to a control port command or an asynchronous event.
type Response struct {
// Err is the status code and string representation associated with a
// response. Responses that have completed successfully will also have Err
// set to indicate such.
Err *textproto.Error
// Reply is the text on the EndReplyLine of the response.
Reply string
// Data is the MidReplyLines/DataReplyLines of the response. Dot encoded
// data is "decoded" and presented as a single string (terminal ".CRLF"
// removed, all intervening CRs stripped).
Data []string
// RawLines is all of the lines of a response, without CRLFs.
RawLines []string
}
// IsOk returns true if the response status code indicates success or an
// asynchronous event.
func (r *Response) IsOk() bool {
switch r.Err.Code {
case StatusOk, StatusOkUnnecessary, StatusAsyncEvent:
return true
default:
return false
}
}
// DataWithReply returns a combination of Data and Reply to give a full set of
// the lines of the response.
func (r *Response) DataWithReply() []string {
ret := make([]string, len(r.Data)+1)
copy(ret, r.Data)
ret[len(ret)-1] = r.Reply
return ret
}
// IsAsync returns true if the response is an asynchronous event.
func (r *Response) IsAsync() bool {
return r.Err.Code == StatusAsyncEvent
}
// ReadResponse returns the next response object.
func (c *Conn) ReadResponse() (*Response, error) {
var resp *Response
var statusCode int
for {
line, err := c.conn.ReadLine()
if err != nil {
return nil, err
}
c.debugf("Read line: %v", line)
// Parse the line that was just read.
if len(line) < 4 {
return nil, c.protoErr("Truncated response: %v", line)
}
if code, err := strconv.Atoi(line[0:3]); err != nil || code < 100 {
return nil, c.protoErr("Invalid status code: %v", line[0:3])
} else if resp == nil {
resp = &Response{}
statusCode = code
} else if code != statusCode {
// The status code should stay fixed for all lines of the response, since events can't be interleaved with
// response lines.
return nil, c.protoErr("Status code changed: %v != %v", code, statusCode)
}
resp.RawLines = append(resp.RawLines, line)
switch line[3] {
case ' ':
// Final line in the response.
resp.Reply = line[4:]
resp.Err = statusCodeToError(statusCode, resp.Reply)
return resp, nil
case '-':
// Continuation, keep reading.
resp.Data = append(resp.Data, line[4:])
case '+':
// A "dot-encoded" payload follows.
dotBody, err := c.conn.ReadDotBytes()
if err != nil {
return nil, err
}
dotBodyStr := strings.TrimRight(string(dotBody), "\n\r")
// c.debugf("Read dot body:\n---\n%v\n---", dotBodyStr)
resp.Data = append(resp.Data, line[4:]+"\r\n"+dotBodyStr)
dotLines := strings.Split(dotBodyStr, "\n")
for _, dotLine := range dotLines[:len(dotLines)-1] {
resp.RawLines = append(resp.RawLines, dotLine)
}
resp.RawLines = append(resp.RawLines, ".")
default:
return nil, c.protoErr("Invalid separator: '%v'", line[3])
}
}
}

64
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package control
import (
"fmt"
"net/textproto"
"strings"
)
// The various control port StatusCode constants.
const (
StatusOk = 250
StatusOkUnnecessary = 251
StatusErrResourceExhausted = 451
StatusErrSyntaxError = 500
StatusErrUnrecognizedCmd = 510
StatusErrUnimplementedCmd = 511
StatusErrSyntaxErrorArg = 512
StatusErrUnrecognizedCmdArg = 513
StatusErrAuthenticationRequired = 514
StatusErrBadAuthentication = 515
StatusErrUnspecifiedTorError = 550
StatusErrInternalError = 551
StatusErrUnrecognizedEntity = 552
StatusErrInvalidConfigValue = 553
StatusErrInvalidDescriptor = 554
StatusErrUnmanagedEntity = 555
StatusAsyncEvent = 650
)
var statusCodeStringMap = map[int]string{
StatusOk: "OK",
StatusOkUnnecessary: "Operation was unnecessary",
StatusErrResourceExhausted: "Resource exhausted",
StatusErrSyntaxError: "Syntax error: protocol",
StatusErrUnrecognizedCmd: "Unrecognized command",
StatusErrUnimplementedCmd: "Unimplemented command",
StatusErrSyntaxErrorArg: "Syntax error in command argument",
StatusErrUnrecognizedCmdArg: "Unrecognized command argument",
StatusErrAuthenticationRequired: "Authentication required",
StatusErrBadAuthentication: "Bad authentication",
StatusErrUnspecifiedTorError: "Unspecified Tor error",
StatusErrInternalError: "Internal error",
StatusErrUnrecognizedEntity: "Unrecognized entity",
StatusErrInvalidConfigValue: "Invalid configuration value",
StatusErrInvalidDescriptor: "Invalid descriptor",
StatusErrUnmanagedEntity: "Unmanaged entity",
StatusAsyncEvent: "Asynchronous event notification",
}
func statusCodeToError(code int, reply string) *textproto.Error {
err := new(textproto.Error)
err.Code = code
if msg, ok := statusCodeStringMap[code]; ok {
trimmedReply := strings.TrimSpace(strings.TrimPrefix(reply, msg))
err.Msg = fmt.Sprintf("%s: %s", msg, trimmedReply)
} else {
err.Msg = fmt.Sprintf("Unknown status code (%03d): %s", code, reply)
}
return err
}

81
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// Package process is the low-level abstraction for a Tor instance.
//
// The standard use is to create a Creator with NewCreator and the path to the
// Tor executable. The child package 'embedded' can be used if Tor is statically
// linked in the binary. Most developers will prefer the tor package adjacent to
// this one for a higher level abstraction over the process and control port
// connection.
package process
import (
"context"
"fmt"
"net"
"os"
"os/exec"
"strconv"
"strings"
"github.com/cretz/bine/torutil"
)
// Process is the interface implemented by Tor processes.
type Process interface {
// Start starts the Tor process in the background and returns. It is
// analagous to os/exec.Cmd.Start.
Start() error
// Wait waits for the Tor process to exit and returns error if it was not a
// successful exit. It is analagous to os/exec.Cmd.Wait.
Wait() error
// ControlConn is used for statically linked, embedded processes to create
// a controller connection. For non-embedded processes or Tor versions that
// don't support embedded control connections, ErrControlConnUnsupported is
// returned. Note, this should only be called once per process before
// Start, and the connection does not need to be closed.
EmbeddedControlConn() (net.Conn, error)
}
// Creator is the interface for process creation.
type Creator interface {
New(ctx context.Context, args ...string) (Process, error)
}
type exeProcessCreator struct {
exePath string
}
// NewCreator creates a Creator for external Tor process execution based on the
// given exe path.
func NewCreator(exePath string) Creator {
return &exeProcessCreator{exePath}
}
type exeProcess struct {
*exec.Cmd
}
func (e *exeProcessCreator) New(ctx context.Context, args ...string) (Process, error) {
cmd := exec.CommandContext(ctx, e.exePath, args...)
cmd.Stdout = os.Stdout
cmd.Stderr = os.Stderr
return &exeProcess{cmd}, nil
}
// ErrControlConnUnsupported is returned by Process.EmbeddedControlConn when
// it is unsupported.
var ErrControlConnUnsupported = fmt.Errorf("Control conn not supported")
func (e *exeProcess) EmbeddedControlConn() (net.Conn, error) {
return nil, ErrControlConnUnsupported
}
// ControlPortFromFileContents reads a control port file that is written by Tor
// when ControlPortWriteToFile is set.
func ControlPortFromFileContents(contents string) (int, error) {
contents = strings.TrimSpace(contents)
_, port, ok := torutil.PartitionString(contents, ':')
if !ok || !strings.HasPrefix(contents, "PORT=") {
return 0, fmt.Errorf("Invalid port format: %v", contents)
}
return strconv.Atoi(port)
}

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package tor
import (
"context"
"fmt"
"net"
"strings"
"golang.org/x/net/proxy"
)
// Dialer is a wrapper around a proxy.Dialer for dialing connections.
type Dialer struct {
proxy.Dialer
}
// DialConf is the configuration used for Dialer.
type DialConf struct {
// ProxyAddress is the address for the SOCKS5 proxy. If empty, it is looked
// up.
ProxyAddress string
// ProxyNetwork is the network for the SOCKS5 proxy. If ProxyAddress is
// empty, this value is ignored and overridden by what is looked up. If this
// is empty and ProxyAddress is not empty, it defaults to "tcp".
ProxyNetwork string
// ProxyAuth is the auth for the proxy. Since Tor's SOCKS5 proxy is
// unauthenticated, this is rarely needed. It can be used when
// IsolateSOCKSAuth is set to ensure separate circuits.
//
// This should not be confused with downstream SOCKS proxy authentication
// which is set via Tor values for Socks5ProxyUsername and
// Socks5ProxyPassword when Socks5Proxy is set.
ProxyAuth *proxy.Auth
// SkipEnableNetwork, if true, will skip the enable network step in Dialer.
SkipEnableNetwork bool
// Forward is the dialer to forward to. If nil, just uses normal net dialer.
Forward proxy.Dialer
}
// Dialer creates a new Dialer for the given configuration. Context can be nil.
// If conf is nil, a default is used.
func (t *Tor) Dialer(ctx context.Context, conf *DialConf) (*Dialer, error) {
if ctx == nil {
ctx = context.Background()
}
if conf == nil {
conf = &DialConf{}
}
// Enable the network if requested
if !conf.SkipEnableNetwork {
if err := t.EnableNetwork(ctx, true); err != nil {
return nil, err
}
}
// Lookup proxy address as needed
proxyNetwork := conf.ProxyNetwork
proxyAddress := conf.ProxyAddress
if proxyAddress == "" {
info, err := t.Control.GetInfo("net/listeners/socks")
if err != nil {
return nil, err
}
if len(info) != 1 || info[0].Key != "net/listeners/socks" {
return nil, fmt.Errorf("Unable to get socks proxy address")
}
proxyAddress = info[0].Val
if strings.HasPrefix(proxyAddress, "unix:") {
proxyAddress = proxyAddress[5:]
proxyNetwork = "unix"
} else {
proxyNetwork = "tcp"
}
} else if proxyNetwork == "" {
proxyNetwork = "tcp"
}
dialer, err := proxy.SOCKS5(proxyNetwork, proxyAddress, conf.ProxyAuth, conf.Forward)
if err != nil {
return nil, err
}
return &Dialer{dialer}, nil
}
// DialContext is the equivalent of net.DialContext.
//
// TODO: Remove when https://github.com/golang/go/issues/17759 is released.
func (d *Dialer) DialContext(ctx context.Context, network string, addr string) (net.Conn, error) {
errCh := make(chan error, 1)
connCh := make(chan net.Conn, 1)
go func() {
if conn, err := d.Dial(network, addr); err != nil {
errCh <- err
} else if ctx.Err() != nil {
conn.Close()
} else {
connCh <- conn
}
}()
select {
case err := <-errCh:
return nil, err
case conn := <-connCh:
return conn, nil
case <-ctx.Done():
return nil, ctx.Err()
}
}

7
vendor/github.com/cretz/bine/tor/doc.go generated vendored Normal file
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// Package tor is the high-level client for Tor.
//
// The Tor type is a combination of a Tor instance and a connection to it.
// Use Start to create Tor. Then Dialer or Listener can be used.
//
// Some of this code is lifted from https://github.com/yawning/bulb with thanks.
package tor

343
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package tor
import (
"context"
"crypto"
"crypto/rsa"
"fmt"
"net"
"strconv"
"github.com/cretz/bine/control"
"github.com/cretz/bine/torutil/ed25519"
othered25519 "golang.org/x/crypto/ed25519"
)
// OnionService implements net.Listener and net.Addr for an onion service.
type OnionService struct {
// ID is the service ID for this onion service.
ID string
// Key is the private key for this service. It is either the set key, the
// generated key, or nil if asked to discard the key. If present, it is
// *crypto/rsa.PrivateKey (1024 bit) when Version3 is false or
// github.com/cretz/bine/torutil/ed25519.KeyPair when Version3 is true.
Key crypto.PrivateKey
// Version3 says whether or not this service is a V3 service.
Version3 bool
// ClientAuths is the credential set for clients. The keys are username and
// the values are credentials. The credentials will always be present even
// if Tor had to generate them.
ClientAuths map[string]string
// LocalListener is the local TCP listener. This is always present.
LocalListener net.Listener
// RemotePorts is the set of remote ports that are forwarded to the local
// listener. This will always have at least one value.
RemotePorts []int
// CloseLocalListenerOnClose is true if the local listener should be closed
// on Close. This is set to true if a listener was created by Listen and set
// to false of an existing LocalListener was provided to Listen.
CloseLocalListenerOnClose bool
// The Tor object that created this. Needed for Close.
Tor *Tor
}
// ListenConf is the configuration for Listen calls.
type ListenConf struct {
// LocalPort is the local port to create a TCP listener on. If the port is
// 0, it is automatically chosen. This is ignored if LocalListener is set.
LocalPort int
// LocalListener is the specific local listener to back the onion service.
// If this is nil (the default), then a listener is created with LocalPort.
LocalListener net.Listener
// RemotePorts are the remote ports to serve the onion service on. If empty,
// it is the same as the local port or local listener. This must have at
// least one value if the local listener is not a *net.TCPListener.
RemotePorts []int
// Key is the private key to use. If not present, a key is generated based
// on whether Version3 is true or false. If present, it must be a
// *crypto/rsa.PrivateKey (1024 bit), a
// github.com/cretz/bine/torutil/ed25519.KeyPair, a
// golang.org/x/crypto/ed25519.PrivateKey, or a
// github.com/cretz/bine/control.Key.
Key crypto.PrivateKey
// Version3 determines whether, when Key is nil, a version 2 or version 3
// service/key will be generated. If true it is version 3 (an ed25519 key
// and v3 onion service) and if false it is version 2 (a RSA-1024 key and v2
// onion service). If Key is not nil, this value is ignored.
Version3 bool
// ClientAuths is the set of usernames and credentials for client
// authentication. The keys are usernames and the values are credentials. If
// a username is present but the credential is empty, a credential is
// generated by Tor for that user. If this is empty there is no
// authentication.
ClientAuths map[string]string
// MaxStreams is the maximum number of streams the service will accept. 0
// means unlimited.
MaxStreams int
// DiscardKey, if true and Key is nil (meaning a private key is generated),
// tells Tor not to return the generated private key. This value is ignored
// if Key is not nil.
DiscardKey bool
// Detach, if true, prevents the default behavior of the onion service being
// deleted when this controller connection is closed.
Detach bool
// NonAnonymous must be true if Tor options HiddenServiceSingleHopMode and
// HiddenServiceNonAnonymousMode are set. Otherwise, it must be false.
NonAnonymous bool
// MaxStreamsCloseCircuit determines whether to close the circuit when the
// maximum number of streams is exceeded. If true, the circuit is closed. If
// false, the stream is simply not connected but the circuit stays open.
MaxStreamsCloseCircuit bool
// NoWait if true will not wait until the onion service is published. If
// false, the network will be enabled if it's not and then we will wait
// until the onion service is published.
NoWait bool
}
// Listen creates an onion service and local listener. The context can be nil.
// If conf is nil, the default struct value is used. Note, if this errors, any
// listeners created here are closed but if a LocalListener is provided it may remain open.
func (t *Tor) Listen(ctx context.Context, conf *ListenConf) (*OnionService, error) {
if ctx == nil {
ctx = context.Background()
}
// Create the service up here and make sure we close it no matter the error within
svc := &OnionService{Tor: t, CloseLocalListenerOnClose: conf.LocalListener == nil}
var err error
// Create the local listener if necessary
svc.LocalListener = conf.LocalListener
if svc.LocalListener == nil {
if svc.LocalListener, err = net.Listen("tcp", "127.0.0.1:"+strconv.Itoa(conf.LocalPort)); err != nil {
return nil, err
}
}
// Henceforth, any error requires we close the svc
// Build the onion request
req := &control.AddOnionRequest{MaxStreams: conf.MaxStreams, ClientAuths: conf.ClientAuths}
// Set flags
if conf.DiscardKey {
req.Flags = append(req.Flags, "DiscardPK")
}
if conf.Detach {
req.Flags = append(req.Flags, "Detach")
}
if len(conf.ClientAuths) > 0 {
req.Flags = append(req.Flags, "BasicAuth")
}
if conf.NonAnonymous {
req.Flags = append(req.Flags, "NonAnonymous")
}
if conf.MaxStreamsCloseCircuit {
req.Flags = append(req.Flags, "MaxStreamsCloseCircuit")
}
// Set the key
switch key := conf.Key.(type) {
case nil:
svc.Version3 = conf.Version3
if conf.Version3 {
req.Key = control.GenKey(control.KeyAlgoED25519V3)
} else {
req.Key = control.GenKey(control.KeyAlgoRSA1024)
}
case control.GenKey:
svc.Version3 = conf.Version3
req.Key = key
case *rsa.PrivateKey:
svc.Key = key
svc.Version3 = false
if key.N == nil || key.N.BitLen() != 1024 {
err = fmt.Errorf("RSA key must be 1024 bits")
} else {
req.Key = &control.RSAKey{PrivateKey: key}
}
case *control.RSAKey:
svc.Key = key.PrivateKey
svc.Version3 = false
if key.N == nil || key.N.BitLen() != 1024 {
err = fmt.Errorf("RSA key must be 1024 bits")
} else {
req.Key = key
}
case ed25519.KeyPair:
svc.Key = key
svc.Version3 = true
req.Key = &control.ED25519Key{key}
case othered25519.PrivateKey:
properKey := ed25519.FromCryptoPrivateKey(key)
svc.Key = properKey
svc.Version3 = true
req.Key = &control.ED25519Key{properKey}
case *control.ED25519Key:
svc.Key = key.KeyPair
svc.Version3 = true
req.Key = key
default:
err = fmt.Errorf("Unrecognized key type: %T", key)
}
// Apply the remote ports
if err == nil {
if len(conf.RemotePorts) == 0 {
tcpAddr, ok := svc.LocalListener.Addr().(*net.TCPAddr)
if !ok {
err = fmt.Errorf("Unable to derive local TCP port")
} else {
svc.RemotePorts = []int{tcpAddr.Port}
}
} else {
svc.RemotePorts = make([]int, len(conf.RemotePorts))
copy(svc.RemotePorts, conf.RemotePorts)
}
}
// Apply the local ports with the remote ports
if err == nil {
localAddr := svc.LocalListener.Addr().String()
if _, ok := svc.LocalListener.(*net.UnixListener); ok {
localAddr = "unix:" + localAddr
}
for _, remotePort := range svc.RemotePorts {
req.Ports = append(req.Ports, &control.KeyVal{Key: strconv.Itoa(remotePort), Val: localAddr})
}
}
// Create the onion service
var resp *control.AddOnionResponse
if err == nil {
resp, err = t.Control.AddOnion(req)
}
// Apply the response to the service
if err == nil {
svc.ID = resp.ServiceID
switch key := resp.Key.(type) {
case nil:
// Do nothing
case *control.RSAKey:
svc.Key = key.PrivateKey
case *control.ED25519Key:
svc.Key = key.KeyPair
default:
err = fmt.Errorf("Unrecognized result key type: %T", key)
}
// Client auths are the conf and then overridden by results
if len(conf.ClientAuths) > 0 {
svc.ClientAuths = make(map[string]string, len(conf.ClientAuths))
for k, v := range conf.ClientAuths {
svc.ClientAuths[k] = v
}
for k, v := range resp.ClientAuths {
svc.ClientAuths[k] = v
}
}
}
// Wait if necessary
if err == nil && !conf.NoWait {
t.Debugf("Enabling network before waiting for publication")
// First make sure network is enabled
if err = t.EnableNetwork(ctx, true); err == nil {
t.Debugf("Waiting for publication")
// Now we'll take a similar approach to Stem. Several UPLOADs are sent out, so we count em. If we see
// UPLOADED, we succeeded. If we see failed, we count those. If there are as many failures as uploads, they
// all failed and it's a failure. NOTE: unlike Stem's comments that say they don't, we are actually seeing
// the service IDs for UPLOADED so we don't keep a map.
uploadsAttempted := 0
failures := []string{}
_, err = t.Control.EventWait(ctx, []control.EventCode{control.EventCodeHSDesc},
func(evt control.Event) (bool, error) {
hs, _ := evt.(*control.HSDescEvent)
if hs != nil && hs.Address == svc.ID {
switch hs.Action {
case "UPLOAD":
uploadsAttempted++
case "FAILED":
failures = append(failures,
fmt.Sprintf("Failed uploading to dir %v - reason: %v", hs.HSDir, hs.Reason))
if len(failures) == uploadsAttempted {
return false, fmt.Errorf("Failed all uploads, reasons: %v", failures)
}
case "UPLOADED":
return true, nil
}
}
return false, nil
})
}
}
// Give back err and close if there is an err
if err != nil {
if closeErr := svc.Close(); closeErr != nil {
err = fmt.Errorf("Error on listen: %v (also got error trying to close: %v)", err, closeErr)
}
return nil, err
}
return svc, nil
}
// Accept implements net.Listener.Accept.
func (o *OnionService) Accept() (net.Conn, error) {
return o.LocalListener.Accept()
}
// Addr implements net.Listener.Addr just returning this object.
func (o *OnionService) Addr() net.Addr {
return o
}
// Network implements net.Addr.Network always returning "tcp".
func (o *OnionService) Network() string {
return "tcp"
}
// String implements net.Addr.String and returns "<serviceID>.onion:<virtport>".
func (o *OnionService) String() string {
return fmt.Sprintf("%v.onion:%v", o.ID, o.RemotePorts[0])
}
// Close implements net.Listener.Close and deletes the onion service and closes
// the LocalListener if CloseLocalListenerOnClose is true.
func (o *OnionService) Close() (err error) {
o.Tor.Debugf("Closing onion %v", o)
// Delete the onion first
if o.ID != "" {
err = o.Tor.Control.DelOnion(o.ID)
o.ID = ""
}
// Now if the local one needs to be closed, do it
if o.CloseLocalListenerOnClose && o.LocalListener != nil {
if closeErr := o.LocalListener.Close(); closeErr != nil {
if err != nil {
err = fmt.Errorf("Unable to close onion: %v (also unable to close local listener: %v)", err, closeErr)
} else {
err = closeErr
}
}
o.LocalListener = nil
}
if err != nil {
o.Tor.Debugf("Failed closing onion: %v", err)
}
return
}

16
vendor/github.com/cretz/bine/tor/log.go generated vendored Normal file
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@ -0,0 +1,16 @@
package tor
import "fmt"
// DebugEnabled returns true if there is a DebugWriter.
func (t *Tor) DebugEnabled() bool {
return t.DebugWriter != nil
}
// Debugf writes the formatted string with a newline appended to the DebugWriter
// if present.
func (t *Tor) Debugf(format string, args ...interface{}) {
if w := t.DebugWriter; w != nil {
fmt.Fprintf(w, format+"\n", args...)
}
}

453
vendor/github.com/cretz/bine/tor/tor.go generated vendored Normal file
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@ -0,0 +1,453 @@
package tor
import (
"context"
"fmt"
"io"
"io/ioutil"
"net/textproto"
"os"
"path/filepath"
"strconv"
"time"
"github.com/cretz/bine/control"
"github.com/cretz/bine/process"
)
// Tor is the wrapper around the Tor process and control port connection. It
// should be created with Start and developers should always call Close when
// done.
type Tor struct {
// Process is the Tor instance that is running.
Process process.Process
// Control is the Tor controller connection.
Control *control.Conn
// ProcessCancelFunc is the context cancellation func for the Tor process.
// It is used by Close and should not be called directly. This can be nil.
ProcessCancelFunc context.CancelFunc
// ControlPort is the port that Control is connected on. It is 0 if the
// connection is an embedded control connection.
ControlPort int
// DataDir is the path to the data directory that Tor is using.
DataDir string
// DeleteDataDirOnClose is true if, when Close is invoked, the entire
// directory will be deleted.
DeleteDataDirOnClose bool
// DebugWriter is the writer used for debug logs, or nil if debug logs
// should not be emitted.
DebugWriter io.Writer
// StopProcessOnClose, if true, will attempt to halt the process on close.
StopProcessOnClose bool
// GeoIPCreatedFile is the path, relative to DataDir, that was created from
// StartConf.GeoIPFileReader. It is empty if no file was created.
GeoIPCreatedFile string
// GeoIPv6CreatedFile is the path, relative to DataDir, that was created
// from StartConf.GeoIPFileReader. It is empty if no file was created.
GeoIPv6CreatedFile string
}
// StartConf is the configuration used for Start when starting a Tor instance. A
// default instance with no fields set is the default used for Start.
type StartConf struct {
// ExePath is the path to the Tor executable. If it is not present, "tor" is
// used either locally or on the PATH. This is ignored if ProcessCreator is
// set.
ExePath string
// ProcessCreator is the override to use a specific process creator. If set,
// ExePath is ignored.
ProcessCreator process.Creator
// UseEmbeddedControlConn can be set to true to use
// process.Process.EmbeddedControlConn() instead of creating a connection
// via ControlPort. Note, this only works when ProcessCreator is an
// embedded Tor creator with version >= 0.3.5.x.
UseEmbeddedControlConn bool
// ControlPort is the port to use for the Tor controller. If it is 0, Tor
// picks a port for use. This is ignored if UseEmbeddedControlConn is true.
ControlPort int
// DataDir is the directory used by Tor. If it is empty, a temporary
// directory is created in TempDataDirBase.
DataDir string
// TempDataDirBase is the parent directory that a temporary data directory
// will be created under for use by Tor. This is ignored if DataDir is not
// empty. If empty it is assumed to be the current working directory.
TempDataDirBase string
// RetainTempDataDir, if true, will not set the created temporary data
// directory to be deleted on close. This is ignored if DataDir is not
// empty.
RetainTempDataDir bool
// DisableCookieAuth, if true, will not use the default SAFECOOKIE
// authentication mechanism for the Tor controller.
DisableCookieAuth bool
// DisableEagerAuth, if true, will not authenticate on Start.
DisableEagerAuth bool
// EnableNetwork, if true, will connect to the wider Tor network on start.
EnableNetwork bool
// ExtraArgs is the set of extra args passed to the Tor instance when
// started.
ExtraArgs []string
// TorrcFile is the torrc file to set on start. If empty, a blank torrc is
// created in the data directory and is used instead.
TorrcFile string
// DebugWriter is the writer to use for debug logs, or nil for no debug
// logs.
DebugWriter io.Writer
// NoHush if true does not set --hush. By default --hush is set.
NoHush bool
// NoAutoSocksPort if true does not set "--SocksPort auto" as is done by
// default. This means the caller could set their own or just let it
// default to 9050.
NoAutoSocksPort bool
// GeoIPReader, if present, is called before start to copy geo IP files to
// the data directory. Errors are propagated. If the ReadCloser is present,
// it is copied to the data dir, overwriting as necessary, and then closed
// and the appropriate command line argument is added to reference it. If
// both the ReadCloser and error are nil, no copy or command line argument
// is used for that version. This is called twice, once with false and once
// with true for ipv6.
//
// This can be set to torutil/geoipembed.GeoIPReader to use an embedded
// source.
GeoIPFileReader func(ipv6 bool) (io.ReadCloser, error)
}
// Start a Tor instance and connect to it. If ctx is nil, context.Background()
// is used. If conf is nil, a default instance is used.
func Start(ctx context.Context, conf *StartConf) (*Tor, error) {
if ctx == nil {
ctx = context.Background()
}
if conf == nil {
conf = &StartConf{}
}
tor := &Tor{DataDir: conf.DataDir, DebugWriter: conf.DebugWriter, StopProcessOnClose: true}
// Create the data dir and make it absolute
if tor.DataDir == "" {
tempBase := conf.TempDataDirBase
if tempBase == "" {
tempBase = "."
}
var err error
if tempBase, err = filepath.Abs(tempBase); err != nil {
return nil, err
}
if tor.DataDir, err = ioutil.TempDir(tempBase, "data-dir-"); err != nil {
return nil, fmt.Errorf("Unable to create temp data dir: %v", err)
}
tor.Debugf("Created temp data directory at: %v", tor.DataDir)
tor.DeleteDataDirOnClose = !conf.RetainTempDataDir
} else if err := os.MkdirAll(tor.DataDir, 0700); err != nil {
return nil, fmt.Errorf("Unable to create data dir: %v", err)
}
// !!!! From this point on, we must close tor if we error !!!!
// Copy geoip stuff if necessary
err := tor.copyGeoIPFiles(conf)
// Start tor
if err == nil {
err = tor.startProcess(ctx, conf)
}
// Connect the controller
if err == nil {
err = tor.connectController(ctx, conf)
}
// Attempt eager auth w/ no password
if err == nil && !conf.DisableEagerAuth {
err = tor.Control.Authenticate("")
}
// If there was an error, we have to try to close here but it may leave the process open
if err != nil {
if closeErr := tor.Close(); closeErr != nil {
err = fmt.Errorf("Error on start: %v (also got error trying to close: %v)", err, closeErr)
}
}
return tor, err
}
func (t *Tor) copyGeoIPFiles(conf *StartConf) error {
if conf.GeoIPFileReader == nil {
return nil
}
if r, err := conf.GeoIPFileReader(false); err != nil {
return fmt.Errorf("Unable to read geoip file: %v", err)
} else if r != nil {
t.GeoIPCreatedFile = "geoip"
if err := createFile(filepath.Join(t.DataDir, "geoip"), r); err != nil {
return fmt.Errorf("Unable to create geoip file: %v", err)
}
}
if r, err := conf.GeoIPFileReader(true); err != nil {
return fmt.Errorf("Unable to read geoip6 file: %v", err)
} else if r != nil {
t.GeoIPv6CreatedFile = "geoip6"
if err := createFile(filepath.Join(t.DataDir, "geoip6"), r); err != nil {
return fmt.Errorf("Unable to create geoip6 file: %v", err)
}
}
return nil
}
func createFile(to string, from io.ReadCloser) error {
f, err := os.Create(to)
if err == nil {
_, err = io.Copy(f, from)
if closeErr := f.Close(); err == nil {
err = closeErr
}
}
if closeErr := from.Close(); err == nil {
err = closeErr
}
return err
}
func (t *Tor) startProcess(ctx context.Context, conf *StartConf) error {
// Get the creator
creator := conf.ProcessCreator
if creator == nil {
torPath := conf.ExePath
if torPath == "" {
torPath = "tor"
}
creator = process.NewCreator(torPath)
}
// Build the args
args := []string{"--DataDirectory", t.DataDir}
if !conf.DisableCookieAuth {
args = append(args, "--CookieAuthentication", "1")
}
if !conf.EnableNetwork {
args = append(args, "--DisableNetwork", "1")
}
if !conf.NoHush {
args = append(args, "--hush")
}
if !conf.NoAutoSocksPort {
args = append(args, "--SocksPort", "auto")
}
if t.GeoIPCreatedFile != "" {
args = append(args, "--GeoIPFile", filepath.Join(t.DataDir, t.GeoIPCreatedFile))
}
if t.GeoIPv6CreatedFile != "" {
args = append(args, "--GeoIPv6File", filepath.Join(t.DataDir, t.GeoIPv6CreatedFile))
}
// If there is no Torrc file, create a blank temp one
torrcFileName := conf.TorrcFile
if torrcFileName == "" {
torrcFile, err := ioutil.TempFile(t.DataDir, "torrc-")
if err != nil {
return err
}
torrcFileName = torrcFile.Name()
if err = torrcFile.Close(); err != nil {
return err
}
}
args = append(args, "-f", torrcFileName)
// Create file for Tor to write the control port to if it's not told to us and we're not embedded
var controlPortFileName string
var err error
if !conf.UseEmbeddedControlConn {
if conf.ControlPort == 0 {
controlPortFile, err := ioutil.TempFile(t.DataDir, "control-port-")
if err != nil {
return err
}
controlPortFileName = controlPortFile.Name()
if err = controlPortFile.Close(); err != nil {
return err
}
args = append(args, "--ControlPort", "auto", "--ControlPortWriteToFile", controlPortFile.Name())
} else {
args = append(args, "--ControlPort", strconv.Itoa(conf.ControlPort))
}
}
// Create process creator with args
var processCtx context.Context
processCtx, t.ProcessCancelFunc = context.WithCancel(ctx)
args = append(args, conf.ExtraArgs...)
p, err := creator.New(processCtx, args...)
if err != nil {
return err
}
// Use the embedded conn if requested
if conf.UseEmbeddedControlConn {
t.Debugf("Using embedded control connection")
conn, err := p.EmbeddedControlConn()
if err != nil {
return fmt.Errorf("Unable to get embedded control conn: %v", err)
}
t.Control = control.NewConn(textproto.NewConn(conn))
t.Control.DebugWriter = t.DebugWriter
}
// Start process with the args
t.Debugf("Starting tor with args %v", args)
if err = p.Start(); err != nil {
return err
}
t.Process = p
// If not embedded, try a few times to read the control port file if we need to
if !conf.UseEmbeddedControlConn {
t.ControlPort = conf.ControlPort
if t.ControlPort == 0 {
ControlPortCheck:
for i := 0; i < 10; i++ {
select {
case <-ctx.Done():
err = ctx.Err()
break ControlPortCheck
default:
// Try to read the controlport file, or wait a bit
var byts []byte
if byts, err = ioutil.ReadFile(controlPortFileName); err != nil {
break ControlPortCheck
} else if t.ControlPort, err = process.ControlPortFromFileContents(string(byts)); err == nil {
break ControlPortCheck
}
time.Sleep(200 * time.Millisecond)
}
}
if err != nil {
return fmt.Errorf("Unable to read control port file: %v", err)
}
}
}
return nil
}
func (t *Tor) connectController(ctx context.Context, conf *StartConf) error {
// This doesn't apply if already connected (e.g. using embedded conn)
if t.Control != nil {
return nil
}
t.Debugf("Connecting to control port %v", t.ControlPort)
textConn, err := textproto.Dial("tcp", "127.0.0.1:"+strconv.Itoa(t.ControlPort))
if err != nil {
return err
}
t.Control = control.NewConn(textConn)
t.Control.DebugWriter = t.DebugWriter
return nil
}
// EnableNetwork sets DisableNetwork to 0 and optionally waits for bootstrap to
// complete. The context can be nil. If DisableNetwork isnt 1, this does
// nothing.
func (t *Tor) EnableNetwork(ctx context.Context, wait bool) error {
if ctx == nil {
ctx = context.Background()
}
// Only enable if DisableNetwork is 1
if vals, err := t.Control.GetConf("DisableNetwork"); err != nil {
return err
} else if len(vals) == 0 || vals[0].Key != "DisableNetwork" || vals[0].Val != "1" {
return nil
}
// Enable the network
if err := t.Control.SetConf(control.KeyVals("DisableNetwork", "0")...); err != nil {
return nil
}
// If not waiting, leave
if !wait {
return nil
}
// Wait for progress to hit 100
_, err := t.Control.EventWait(ctx, []control.EventCode{control.EventCodeStatusClient},
func(evt control.Event) (bool, error) {
if status, _ := evt.(*control.StatusEvent); status != nil && status.Action == "BOOTSTRAP" {
if status.Severity == "NOTICE" && status.Arguments["PROGRESS"] == "100" {
return true, nil
} else if status.Severity == "ERR" {
return false, fmt.Errorf("Failing bootstrapping, Tor warning: %v", status.Arguments["WARNING"])
}
}
return false, nil
})
return err
}
// Close sends a halt to the Tor process if it can, closes the controller
// connection, and stops the process.
func (t *Tor) Close() error {
t.Debugf("Closing Tor")
errs := []error{}
// If controller is authenticated, send the quit signal to the process. Otherwise, just close the controller.
sentHalt := false
if t.Control != nil {
if t.Control.Authenticated && t.StopProcessOnClose {
if err := t.Control.Signal("HALT"); err != nil {
errs = append(errs, fmt.Errorf("Unable to signal halt: %v", err))
} else {
sentHalt = true
}
}
// Now close the controller
if err := t.Control.Close(); err != nil {
errs = append(errs, fmt.Errorf("Unable to close contrlller: %v", err))
} else {
t.Control = nil
}
}
if t.Process != nil {
// If we didn't halt, we have to force kill w/ the cancel func
if !sentHalt && t.StopProcessOnClose {
t.ProcessCancelFunc()
}
// Wait for a bit to make sure it stopped
errCh := make(chan error, 1)
var waitErr error
go func() { errCh <- t.Process.Wait() }()
select {
case waitErr = <-errCh:
if waitErr != nil {
errs = append(errs, fmt.Errorf("Process wait failed: %v", waitErr))
}
case <-time.After(300 * time.Millisecond):
errs = append(errs, fmt.Errorf("Process did not exit after 300 ms"))
}
if waitErr == nil {
t.Process = nil
}
}
// Get rid of the entire data dir
if t.DeleteDataDirOnClose {
if err := os.RemoveAll(t.DataDir); err != nil {
errs = append(errs, fmt.Errorf("Failed to remove data dir %v: %v", t.DataDir, err))
}
}
// Combine the errors if present
if len(errs) == 0 {
return nil
} else if len(errs) == 1 {
t.Debugf("Error while closing Tor: %v", errs[0])
return errs[0]
}
t.Debugf("Errors while closing Tor: %v", errs)
return fmt.Errorf("Got %v errors while closing - %v", len(errs), errs)
}

2
vendor/github.com/cretz/bine/torutil/doc.go generated vendored Normal file
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// Package torutil has generic utilities shared across the library.
package torutil

189
vendor/github.com/cretz/bine/torutil/ed25519/ed25519.go generated vendored Normal file
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// Package ed25519 implements Tor/BitTorrent-like ed25519 keys.
//
// See the following stack overflow post for details on why
// golang.org/x/crypto/ed25519 can't be used:
// https://stackoverflow.com/questions/44810708/ed25519-public-result-is-different
package ed25519
import (
"crypto"
"crypto/rand"
"crypto/sha512"
"errors"
"io"
"github.com/cretz/bine/torutil/ed25519/internal/edwards25519"
"golang.org/x/crypto/ed25519"
)
const (
// PublicKeySize is the size, in bytes, of public keys as used in this package.
PublicKeySize = 32
// PrivateKeySize is the size, in bytes, of private keys as used in this package.
PrivateKeySize = 64
// SignatureSize is the size, in bytes, of signatures generated and verified by this package.
SignatureSize = 64
)
// PrivateKey is a 64-byte Ed25519 private key. Unlike
// golang.org/x/crypto/ed25519, this is just the digest and does not contain
// the public key within it. Instead call PublicKey() or better, call KeyPair()
// which stores the precomputed public key.
type PrivateKey []byte
// PublicKey is a 32-byte Ed25519 public key.
type PublicKey []byte
// FromCryptoPrivateKey converts a Go private key to the one in this package.
func FromCryptoPrivateKey(key ed25519.PrivateKey) KeyPair {
digest := sha512.Sum512(key[:32])
digest[0] &= 248
digest[31] &= 127
digest[31] |= 64
return &precomputedKeyPair{PrivateKeyBytes: digest[:], PublicKeyBytes: PublicKey(key[32:])}
}
// FromCryptoPublicKey converts a Go public key to the one in this package.
func FromCryptoPublicKey(key ed25519.PublicKey) PublicKey {
return PublicKey(key)
}
// KeyPair returns a new key pair with the public key precomputed.
func (p PrivateKey) KeyPair() KeyPair {
return &precomputedKeyPair{PrivateKeyBytes: p, PublicKeyBytes: p.PublicKey()}
}
// PrivateKey simply returns itself. Implements KeyPair.PrivateKey.
func (p PrivateKey) PrivateKey() PrivateKey { return p }
// Public simply delegates to PublicKey() to satisfy crypto.Signer. This method
// does a bit more work than the traditional Go ed25519's private key's Public()
// method so developers are encouraged to reuse the result or use KeyPair()
// which stores this value.
func (p PrivateKey) Public() crypto.PublicKey { return p.PublicKey() }
// PublicKey generates a public key for this private key. This method does a bit
// more work than the traditional Go ed25519's private key's Public() method so
// developers are encouraged to reuse the result or use KeyPair() which stores
// this value. Implements KeyPair.PublicKey.
func (p PrivateKey) PublicKey() PublicKey {
var A edwards25519.ExtendedGroupElement
var hBytes [32]byte
copy(hBytes[:], p[:])
edwards25519.GeScalarMultBase(&A, &hBytes)
var publicKeyBytes [32]byte
A.ToBytes(&publicKeyBytes)
return publicKeyBytes[:]
}
// Sign signs the given message with priv. Ed25519 performs two passes over
// messages to be signed and therefore cannot handle pre-hashed messages. Thus
// opts.HashFunc() must return zero to indicate the message hasn't been hashed.
// This can be achieved by passing crypto.Hash(0) as the value for opts.
func (p PrivateKey) Sign(rand io.Reader, message []byte, opts crypto.SignerOpts) ([]byte, error) {
if opts.HashFunc() != crypto.Hash(0) {
return nil, errors.New("ed25519: cannot sign hashed message")
}
return Sign(p, message), nil
}
// Verify simply calls PublicKey().Verify(). Callers are encouraged to instead
// store a precomputed KeyPair (via KeyPair() or GenerateKey()) and call Verify
// on that.
func (p PrivateKey) Verify(message []byte, sig []byte) bool {
return p.PublicKey().Verify(message, sig)
}
// Verify simply calls the package-level function Verify().
func (p PublicKey) Verify(message []byte, sig []byte) bool {
return Verify(p, message, sig)
}
// KeyPair is an interface for types with both keys. While PrivateKey does
// implement this, it generates the PublicKey on demand. For better performance,
// use the result of GenerateKey directly or call PrivateKey.KeyPair().
type KeyPair interface {
crypto.Signer
PrivateKey() PrivateKey
PublicKey() PublicKey
Verify(message []byte, sig []byte) bool
}
type precomputedKeyPair struct {
PrivateKeyBytes PrivateKey
PublicKeyBytes PublicKey
}
func (p *precomputedKeyPair) PrivateKey() PrivateKey { return p.PrivateKeyBytes }
func (p *precomputedKeyPair) PublicKey() PublicKey { return p.PublicKeyBytes }
func (p *precomputedKeyPair) Public() crypto.PublicKey { return p.PublicKey() }
func (p *precomputedKeyPair) Sign(rand io.Reader, message []byte, opts crypto.SignerOpts) ([]byte, error) {
if opts.HashFunc() != crypto.Hash(0) {
return nil, errors.New("ed25519: cannot sign hashed message")
}
return Sign(p, message), nil
}
func (p *precomputedKeyPair) Verify(message []byte, sig []byte) bool {
return p.PublicKeyBytes.Verify(message, sig)
}
// GenerateKey generates a public/private key pair using entropy from rand.
// If rand is nil, crypto/rand.Reader will be used.
func GenerateKey(rnd io.Reader) (KeyPair, error) {
if rnd == nil {
rnd = rand.Reader
}
rndByts := make([]byte, 32)
if _, err := io.ReadFull(rnd, rndByts); err != nil {
return nil, err
}
digest := sha512.Sum512(rndByts)
digest[0] &= 248
digest[31] &= 127
digest[31] |= 64
return PrivateKey(digest[:]).KeyPair(), nil
}
// Sign signs the message with the given key pair.
func Sign(keyPair KeyPair, message []byte) []byte {
// Ref: https://stackoverflow.com/questions/44810708/ed25519-public-result-is-different
var privateKeyA [32]byte
copy(privateKeyA[:], keyPair.PrivateKey()) // we need this in an array later
var messageDigest, hramDigest [64]byte
h := sha512.New()
h.Write(keyPair.PrivateKey()[32:])
h.Write(message)
h.Sum(messageDigest[:0])
var messageDigestReduced [32]byte
edwards25519.ScReduce(&messageDigestReduced, &messageDigest)
var R edwards25519.ExtendedGroupElement
edwards25519.GeScalarMultBase(&R, &messageDigestReduced)
var encodedR [32]byte
R.ToBytes(&encodedR)
h.Reset()
h.Write(encodedR[:])
h.Write(keyPair.PublicKey())
h.Write(message)
h.Sum(hramDigest[:0])
var hramDigestReduced [32]byte
edwards25519.ScReduce(&hramDigestReduced, &hramDigest)
var s [32]byte
edwards25519.ScMulAdd(&s, &hramDigestReduced, &privateKeyA, &messageDigestReduced)
signature := make([]byte, 64)
copy(signature[:], encodedR[:])
copy(signature[32:], s[:])
return signature
}
// Verify verifies a signed message.
func Verify(p PublicKey, message []byte, sig []byte) bool {
return ed25519.Verify(ed25519.PublicKey(p), message, sig)
}

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This is taken from https://github.com/golang/crypto/tree/1a580b3eff7814fc9b40602fd35256c63b50f491/ed25519/internal/edwards25519

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vendor/github.com/cretz/bine/torutil/key.go generated vendored Normal file
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package torutil
import (
"crypto"
"crypto/rsa"
"crypto/sha1"
"crypto/x509"
"encoding/base32"
"fmt"
"strings"
"github.com/cretz/bine/torutil/ed25519"
"golang.org/x/crypto/sha3"
)
var serviceIDEncoding = base32.StdEncoding.WithPadding(base32.NoPadding)
// OnionServiceIDFromPrivateKey generates the onion service ID from the given
// private key. This panics if the private key is not a 1024-bit
// crypto/*rsa.PrivateKey or github.com/cretz/bine/torutil/ed25519.KeyPair.
func OnionServiceIDFromPrivateKey(key crypto.PrivateKey) string {
switch k := key.(type) {
case *rsa.PrivateKey:
return OnionServiceIDFromV2PublicKey(&k.PublicKey)
case ed25519.KeyPair:
return OnionServiceIDFromV3PublicKey(k.PublicKey())
}
panic(fmt.Sprintf("Unrecognized private key type: %T", key))
}
// OnionServiceIDFromPublicKey generates the onion service ID from the given
// public key. This panics if the public key is not a 1024-bit
// crypto/*rsa.PublicKey or github.com/cretz/bine/torutil/ed25519.PublicKey.
func OnionServiceIDFromPublicKey(key crypto.PublicKey) string {
switch k := key.(type) {
case *rsa.PublicKey:
return OnionServiceIDFromV2PublicKey(k)
case ed25519.PublicKey:
return OnionServiceIDFromV3PublicKey(k)
}
panic(fmt.Sprintf("Unrecognized public key type: %T", key))
}
// OnionServiceIDFromV2PublicKey generates a V2 service ID for the given
// RSA-1024 public key. Panics if not a 1024-bit key.
func OnionServiceIDFromV2PublicKey(key *rsa.PublicKey) string {
if key.N.BitLen() != 1024 {
panic("RSA key not 1024 bit")
}
h := sha1.New()
h.Write(x509.MarshalPKCS1PublicKey(key))
return strings.ToLower(serviceIDEncoding.EncodeToString(h.Sum(nil)[:10]))
}
// OnionServiceIDFromV3PublicKey generates a V3 service ID for the given
// ED25519 public key.
func OnionServiceIDFromV3PublicKey(key ed25519.PublicKey) string {
checkSum := sha3.Sum256(append(append([]byte(".onion checksum"), key...), 0x03))
var keyBytes [35]byte
copy(keyBytes[:], key)
keyBytes[32] = checkSum[0]
keyBytes[33] = checkSum[1]
keyBytes[34] = 0x03
return strings.ToLower(serviceIDEncoding.EncodeToString(keyBytes[:]))
}
// PublicKeyFromV3OnionServiceID returns a public key for the given service ID
// or an error if the service ID is invalid.
func PublicKeyFromV3OnionServiceID(id string) (ed25519.PublicKey, error) {
byts, err := serviceIDEncoding.DecodeString(strings.ToUpper(id))
if err != nil {
return nil, err
} else if len(byts) != 35 {
return nil, fmt.Errorf("Invalid id length")
} else if byts[34] != 0x03 {
return nil, fmt.Errorf("Invalid version")
}
// Do a checksum check
key := ed25519.PublicKey(byts[:32])
checkSum := sha3.Sum256(append(append([]byte(".onion checksum"), key...), 0x03))
if byts[32] != checkSum[0] || byts[33] != checkSum[1] {
return nil, fmt.Errorf("Invalid checksum")
}
return key, nil
}

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package torutil
import (
"fmt"
"strings"
)
// PartitionString returns the two parts of a string delimited by the first
// occurrence of ch. If ch does not exist, the second string is empty and the
// resulting bool is false. Otherwise it is true.
func PartitionString(str string, ch byte) (string, string, bool) {
index := strings.IndexByte(str, ch)
if index == -1 {
return str, "", false
}
return str[:index], str[index+1:], true
}
// PartitionStringFromEnd is same as PartitionString except it delimts by the
// last occurrence of ch instead of the first.
func PartitionStringFromEnd(str string, ch byte) (string, string, bool) {
index := strings.LastIndexByte(str, ch)
if index == -1 {
return str, "", false
}
return str[:index], str[index+1:], true
}
// EscapeSimpleQuotedStringIfNeeded calls EscapeSimpleQuotedString only if the
// string contains a space, backslash, double quote, newline, or carriage return
// character.
func EscapeSimpleQuotedStringIfNeeded(str string) string {
if strings.ContainsAny(str, " \\\"\r\n") {
return EscapeSimpleQuotedString(str)
}
return str
}
var simpleQuotedStringEscapeReplacer = strings.NewReplacer(
"\\", "\\\\",
"\"", "\\\"",
"\r", "\\r",
"\n", "\\n",
)
// EscapeSimpleQuotedString calls EscapeSimpleQuotedStringContents and then
// surrounds the entire string with double quotes.
func EscapeSimpleQuotedString(str string) string {
return "\"" + EscapeSimpleQuotedStringContents(str) + "\""
}
// EscapeSimpleQuotedStringContents escapes backslashes, double quotes,
// newlines, and carriage returns in str.
func EscapeSimpleQuotedStringContents(str string) string {
return simpleQuotedStringEscapeReplacer.Replace(str)
}
// UnescapeSimpleQuotedStringIfNeeded calls UnescapeSimpleQuotedString only if
// str is surrounded with double quotes.
func UnescapeSimpleQuotedStringIfNeeded(str string) (string, error) {
if len(str) >= 2 && str[0] == '"' && str[len(str)-1] == '"' {
return UnescapeSimpleQuotedString(str)
}
return str, nil
}
// UnescapeSimpleQuotedString removes surrounding double quotes and calls
// UnescapeSimpleQuotedStringContents.
func UnescapeSimpleQuotedString(str string) (string, error) {
if len(str) < 2 || str[0] != '"' || str[len(str)-1] != '"' {
return "", fmt.Errorf("Missing quotes")
}
return UnescapeSimpleQuotedStringContents(str[1 : len(str)-1])
}
// UnescapeSimpleQuotedStringContents unescapes backslashes, double quotes,
// newlines, and carriage returns. Also errors if those aren't escaped.
func UnescapeSimpleQuotedStringContents(str string) (string, error) {
ret := ""
escaping := false
for _, c := range str {
switch c {
case '\\':
if escaping {
ret += "\\"
}
escaping = !escaping
case '"':
if !escaping {
return "", fmt.Errorf("Unescaped quote")
}
ret += "\""
escaping = false
case '\r', '\n':
return "", fmt.Errorf("Unescaped newline or carriage return")
default:
if escaping {
if c == 'r' {
ret += "\r"
} else if c == 'n' {
ret += "\n"
} else {
return "", fmt.Errorf("Unexpected escape")
}
} else {
ret += string(c)
}
escaping = false
}
}
return ret, nil
}

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# This source code refers to The Go Authors for copyright purposes.
# The master list of authors is in the main Go distribution,
# visible at https://tip.golang.org/AUTHORS.

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# This source code was written by the Go contributors.
# The master list of contributors is in the main Go distribution,
# visible at https://tip.golang.org/CONTRIBUTORS.

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Copyright (c) 2009 The Go Authors. All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are
met:
* Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above
copyright notice, this list of conditions and the following disclaimer
in the documentation and/or other materials provided with the
distribution.
* Neither the name of Google Inc. nor the names of its
contributors may be used to endorse or promote products derived from
this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

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Additional IP Rights Grant (Patents)
"This implementation" means the copyrightable works distributed by
Google as part of the Go project.
Google hereby grants to You a perpetual, worldwide, non-exclusive,
no-charge, royalty-free, irrevocable (except as stated in this section)
patent license to make, have made, use, offer to sell, sell, import,
transfer and otherwise run, modify and propagate the contents of this
implementation of Go, where such license applies only to those patent
claims, both currently owned or controlled by Google and acquired in
the future, licensable by Google that are necessarily infringed by this
implementation of Go. This grant does not include claims that would be
infringed only as a consequence of further modification of this
implementation. If you or your agent or exclusive licensee institute or
order or agree to the institution of patent litigation against any
entity (including a cross-claim or counterclaim in a lawsuit) alleging
that this implementation of Go or any code incorporated within this
implementation of Go constitutes direct or contributory patent
infringement, or inducement of patent infringement, then any patent
rights granted to you under this License for this implementation of Go
shall terminate as of the date such litigation is filed.

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// Copyright 2016 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// In Go 1.13, the ed25519 package was promoted to the standard library as
// crypto/ed25519, and this package became a wrapper for the standard library one.
//
// +build !go1.13
// Package ed25519 implements the Ed25519 signature algorithm. See
// https://ed25519.cr.yp.to/.
//
// These functions are also compatible with the “Ed25519” function defined in
// RFC 8032. However, unlike RFC 8032's formulation, this package's private key
// representation includes a public key suffix to make multiple signing
// operations with the same key more efficient. This package refers to the RFC
// 8032 private key as the “seed”.
package ed25519
// This code is a port of the public domain, “ref10” implementation of ed25519
// from SUPERCOP.
import (
"bytes"
"crypto"
cryptorand "crypto/rand"
"crypto/sha512"
"errors"
"io"
"strconv"
"golang.org/x/crypto/ed25519/internal/edwards25519"
)
const (
// PublicKeySize is the size, in bytes, of public keys as used in this package.
PublicKeySize = 32
// PrivateKeySize is the size, in bytes, of private keys as used in this package.
PrivateKeySize = 64
// SignatureSize is the size, in bytes, of signatures generated and verified by this package.
SignatureSize = 64
// SeedSize is the size, in bytes, of private key seeds. These are the private key representations used by RFC 8032.
SeedSize = 32
)
// PublicKey is the type of Ed25519 public keys.
type PublicKey []byte
// PrivateKey is the type of Ed25519 private keys. It implements crypto.Signer.
type PrivateKey []byte
// Public returns the PublicKey corresponding to priv.
func (priv PrivateKey) Public() crypto.PublicKey {
publicKey := make([]byte, PublicKeySize)
copy(publicKey, priv[32:])
return PublicKey(publicKey)
}
// Seed returns the private key seed corresponding to priv. It is provided for
// interoperability with RFC 8032. RFC 8032's private keys correspond to seeds
// in this package.
func (priv PrivateKey) Seed() []byte {
seed := make([]byte, SeedSize)
copy(seed, priv[:32])
return seed
}
// Sign signs the given message with priv.
// Ed25519 performs two passes over messages to be signed and therefore cannot
// handle pre-hashed messages. Thus opts.HashFunc() must return zero to
// indicate the message hasn't been hashed. This can be achieved by passing
// crypto.Hash(0) as the value for opts.
func (priv PrivateKey) Sign(rand io.Reader, message []byte, opts crypto.SignerOpts) (signature []byte, err error) {
if opts.HashFunc() != crypto.Hash(0) {
return nil, errors.New("ed25519: cannot sign hashed message")
}
return Sign(priv, message), nil
}
// GenerateKey generates a public/private key pair using entropy from rand.
// If rand is nil, crypto/rand.Reader will be used.
func GenerateKey(rand io.Reader) (PublicKey, PrivateKey, error) {
if rand == nil {
rand = cryptorand.Reader
}
seed := make([]byte, SeedSize)
if _, err := io.ReadFull(rand, seed); err != nil {
return nil, nil, err
}
privateKey := NewKeyFromSeed(seed)
publicKey := make([]byte, PublicKeySize)
copy(publicKey, privateKey[32:])
return publicKey, privateKey, nil
}
// NewKeyFromSeed calculates a private key from a seed. It will panic if
// len(seed) is not SeedSize. This function is provided for interoperability
// with RFC 8032. RFC 8032's private keys correspond to seeds in this
// package.
func NewKeyFromSeed(seed []byte) PrivateKey {
if l := len(seed); l != SeedSize {
panic("ed25519: bad seed length: " + strconv.Itoa(l))
}
digest := sha512.Sum512(seed)
digest[0] &= 248
digest[31] &= 127
digest[31] |= 64
var A edwards25519.ExtendedGroupElement
var hBytes [32]byte
copy(hBytes[:], digest[:])
edwards25519.GeScalarMultBase(&A, &hBytes)
var publicKeyBytes [32]byte
A.ToBytes(&publicKeyBytes)
privateKey := make([]byte, PrivateKeySize)
copy(privateKey, seed)
copy(privateKey[32:], publicKeyBytes[:])
return privateKey
}
// Sign signs the message with privateKey and returns a signature. It will
// panic if len(privateKey) is not PrivateKeySize.
func Sign(privateKey PrivateKey, message []byte) []byte {
if l := len(privateKey); l != PrivateKeySize {
panic("ed25519: bad private key length: " + strconv.Itoa(l))
}
h := sha512.New()
h.Write(privateKey[:32])
var digest1, messageDigest, hramDigest [64]byte
var expandedSecretKey [32]byte
h.Sum(digest1[:0])
copy(expandedSecretKey[:], digest1[:])
expandedSecretKey[0] &= 248
expandedSecretKey[31] &= 63
expandedSecretKey[31] |= 64
h.Reset()
h.Write(digest1[32:])
h.Write(message)
h.Sum(messageDigest[:0])
var messageDigestReduced [32]byte
edwards25519.ScReduce(&messageDigestReduced, &messageDigest)
var R edwards25519.ExtendedGroupElement
edwards25519.GeScalarMultBase(&R, &messageDigestReduced)
var encodedR [32]byte
R.ToBytes(&encodedR)
h.Reset()
h.Write(encodedR[:])
h.Write(privateKey[32:])
h.Write(message)
h.Sum(hramDigest[:0])
var hramDigestReduced [32]byte
edwards25519.ScReduce(&hramDigestReduced, &hramDigest)
var s [32]byte
edwards25519.ScMulAdd(&s, &hramDigestReduced, &expandedSecretKey, &messageDigestReduced)
signature := make([]byte, SignatureSize)
copy(signature[:], encodedR[:])
copy(signature[32:], s[:])
return signature
}
// Verify reports whether sig is a valid signature of message by publicKey. It
// will panic if len(publicKey) is not PublicKeySize.
func Verify(publicKey PublicKey, message, sig []byte) bool {
if l := len(publicKey); l != PublicKeySize {
panic("ed25519: bad public key length: " + strconv.Itoa(l))
}
if len(sig) != SignatureSize || sig[63]&224 != 0 {
return false
}
var A edwards25519.ExtendedGroupElement
var publicKeyBytes [32]byte
copy(publicKeyBytes[:], publicKey)
if !A.FromBytes(&publicKeyBytes) {
return false
}
edwards25519.FeNeg(&A.X, &A.X)
edwards25519.FeNeg(&A.T, &A.T)
h := sha512.New()
h.Write(sig[:32])
h.Write(publicKey[:])
h.Write(message)
var digest [64]byte
h.Sum(digest[:0])
var hReduced [32]byte
edwards25519.ScReduce(&hReduced, &digest)
var R edwards25519.ProjectiveGroupElement
var s [32]byte
copy(s[:], sig[32:])
// https://tools.ietf.org/html/rfc8032#section-5.1.7 requires that s be in
// the range [0, order) in order to prevent signature malleability.
if !edwards25519.ScMinimal(&s) {
return false
}
edwards25519.GeDoubleScalarMultVartime(&R, &hReduced, &A, &s)
var checkR [32]byte
R.ToBytes(&checkR)
return bytes.Equal(sig[:32], checkR[:])
}

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// Copyright 2019 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build go1.13
// Package ed25519 implements the Ed25519 signature algorithm. See
// https://ed25519.cr.yp.to/.
//
// These functions are also compatible with the “Ed25519” function defined in
// RFC 8032. However, unlike RFC 8032's formulation, this package's private key
// representation includes a public key suffix to make multiple signing
// operations with the same key more efficient. This package refers to the RFC
// 8032 private key as the “seed”.
//
// Beginning with Go 1.13, the functionality of this package was moved to the
// standard library as crypto/ed25519. This package only acts as a compatibility
// wrapper.
package ed25519
import (
"crypto/ed25519"
"io"
)
const (
// PublicKeySize is the size, in bytes, of public keys as used in this package.
PublicKeySize = 32
// PrivateKeySize is the size, in bytes, of private keys as used in this package.
PrivateKeySize = 64
// SignatureSize is the size, in bytes, of signatures generated and verified by this package.
SignatureSize = 64
// SeedSize is the size, in bytes, of private key seeds. These are the private key representations used by RFC 8032.
SeedSize = 32
)
// PublicKey is the type of Ed25519 public keys.
//
// This type is an alias for crypto/ed25519's PublicKey type.
// See the crypto/ed25519 package for the methods on this type.
type PublicKey = ed25519.PublicKey
// PrivateKey is the type of Ed25519 private keys. It implements crypto.Signer.
//
// This type is an alias for crypto/ed25519's PrivateKey type.
// See the crypto/ed25519 package for the methods on this type.
type PrivateKey = ed25519.PrivateKey
// GenerateKey generates a public/private key pair using entropy from rand.
// If rand is nil, crypto/rand.Reader will be used.
func GenerateKey(rand io.Reader) (PublicKey, PrivateKey, error) {
return ed25519.GenerateKey(rand)
}
// NewKeyFromSeed calculates a private key from a seed. It will panic if
// len(seed) is not SeedSize. This function is provided for interoperability
// with RFC 8032. RFC 8032's private keys correspond to seeds in this
// package.
func NewKeyFromSeed(seed []byte) PrivateKey {
return ed25519.NewKeyFromSeed(seed)
}
// Sign signs the message with privateKey and returns a signature. It will
// panic if len(privateKey) is not PrivateKeySize.
func Sign(privateKey PrivateKey, message []byte) []byte {
return ed25519.Sign(privateKey, message)
}
// Verify reports whether sig is a valid signature of message by publicKey. It
// will panic if len(publicKey) is not PublicKeySize.
func Verify(publicKey PublicKey, message, sig []byte) bool {
return ed25519.Verify(publicKey, message, sig)
}

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// Copyright 2014 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// Package sha3 implements the SHA-3 fixed-output-length hash functions and
// the SHAKE variable-output-length hash functions defined by FIPS-202.
//
// Both types of hash function use the "sponge" construction and the Keccak
// permutation. For a detailed specification see http://keccak.noekeon.org/
//
//
// Guidance
//
// If you aren't sure what function you need, use SHAKE256 with at least 64
// bytes of output. The SHAKE instances are faster than the SHA3 instances;
// the latter have to allocate memory to conform to the hash.Hash interface.
//
// If you need a secret-key MAC (message authentication code), prepend the
// secret key to the input, hash with SHAKE256 and read at least 32 bytes of
// output.
//
//
// Security strengths
//
// The SHA3-x (x equals 224, 256, 384, or 512) functions have a security
// strength against preimage attacks of x bits. Since they only produce "x"
// bits of output, their collision-resistance is only "x/2" bits.
//
// The SHAKE-256 and -128 functions have a generic security strength of 256 and
// 128 bits against all attacks, provided that at least 2x bits of their output
// is used. Requesting more than 64 or 32 bytes of output, respectively, does
// not increase the collision-resistance of the SHAKE functions.
//
//
// The sponge construction
//
// A sponge builds a pseudo-random function from a public pseudo-random
// permutation, by applying the permutation to a state of "rate + capacity"
// bytes, but hiding "capacity" of the bytes.
//
// A sponge starts out with a zero state. To hash an input using a sponge, up
// to "rate" bytes of the input are XORed into the sponge's state. The sponge
// is then "full" and the permutation is applied to "empty" it. This process is
// repeated until all the input has been "absorbed". The input is then padded.
// The digest is "squeezed" from the sponge in the same way, except that output
// is copied out instead of input being XORed in.
//
// A sponge is parameterized by its generic security strength, which is equal
// to half its capacity; capacity + rate is equal to the permutation's width.
// Since the KeccakF-1600 permutation is 1600 bits (200 bytes) wide, this means
// that the security strength of a sponge instance is equal to (1600 - bitrate) / 2.
//
//
// Recommendations
//
// The SHAKE functions are recommended for most new uses. They can produce
// output of arbitrary length. SHAKE256, with an output length of at least
// 64 bytes, provides 256-bit security against all attacks. The Keccak team
// recommends it for most applications upgrading from SHA2-512. (NIST chose a
// much stronger, but much slower, sponge instance for SHA3-512.)
//
// The SHA-3 functions are "drop-in" replacements for the SHA-2 functions.
// They produce output of the same length, with the same security strengths
// against all attacks. This means, in particular, that SHA3-256 only has
// 128-bit collision resistance, because its output length is 32 bytes.
package sha3 // import "golang.org/x/crypto/sha3"

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// Copyright 2014 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package sha3
// This file provides functions for creating instances of the SHA-3
// and SHAKE hash functions, as well as utility functions for hashing
// bytes.
import (
"hash"
)
// New224 creates a new SHA3-224 hash.
// Its generic security strength is 224 bits against preimage attacks,
// and 112 bits against collision attacks.
func New224() hash.Hash {
if h := new224Asm(); h != nil {
return h
}
return &state{rate: 144, outputLen: 28, dsbyte: 0x06}
}
// New256 creates a new SHA3-256 hash.
// Its generic security strength is 256 bits against preimage attacks,
// and 128 bits against collision attacks.
func New256() hash.Hash {
if h := new256Asm(); h != nil {
return h
}
return &state{rate: 136, outputLen: 32, dsbyte: 0x06}
}
// New384 creates a new SHA3-384 hash.
// Its generic security strength is 384 bits against preimage attacks,
// and 192 bits against collision attacks.
func New384() hash.Hash {
if h := new384Asm(); h != nil {
return h
}
return &state{rate: 104, outputLen: 48, dsbyte: 0x06}
}
// New512 creates a new SHA3-512 hash.
// Its generic security strength is 512 bits against preimage attacks,
// and 256 bits against collision attacks.
func New512() hash.Hash {
if h := new512Asm(); h != nil {
return h
}
return &state{rate: 72, outputLen: 64, dsbyte: 0x06}
}
// NewLegacyKeccak256 creates a new Keccak-256 hash.
//
// Only use this function if you require compatibility with an existing cryptosystem
// that uses non-standard padding. All other users should use New256 instead.
func NewLegacyKeccak256() hash.Hash { return &state{rate: 136, outputLen: 32, dsbyte: 0x01} }
// NewLegacyKeccak512 creates a new Keccak-512 hash.
//
// Only use this function if you require compatibility with an existing cryptosystem
// that uses non-standard padding. All other users should use New512 instead.
func NewLegacyKeccak512() hash.Hash { return &state{rate: 72, outputLen: 64, dsbyte: 0x01} }
// Sum224 returns the SHA3-224 digest of the data.
func Sum224(data []byte) (digest [28]byte) {
h := New224()
h.Write(data)
h.Sum(digest[:0])
return
}
// Sum256 returns the SHA3-256 digest of the data.
func Sum256(data []byte) (digest [32]byte) {
h := New256()
h.Write(data)
h.Sum(digest[:0])
return
}
// Sum384 returns the SHA3-384 digest of the data.
func Sum384(data []byte) (digest [48]byte) {
h := New384()
h.Write(data)
h.Sum(digest[:0])
return
}
// Sum512 returns the SHA3-512 digest of the data.
func Sum512(data []byte) (digest [64]byte) {
h := New512()
h.Write(data)
h.Sum(digest[:0])
return
}

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// Copyright 2017 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build gccgo appengine !s390x
package sha3
import (
"hash"
)
// new224Asm returns an assembly implementation of SHA3-224 if available,
// otherwise it returns nil.
func new224Asm() hash.Hash { return nil }
// new256Asm returns an assembly implementation of SHA3-256 if available,
// otherwise it returns nil.
func new256Asm() hash.Hash { return nil }
// new384Asm returns an assembly implementation of SHA3-384 if available,
// otherwise it returns nil.
func new384Asm() hash.Hash { return nil }
// new512Asm returns an assembly implementation of SHA3-512 if available,
// otherwise it returns nil.
func new512Asm() hash.Hash { return nil }

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// Copyright 2014 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build !amd64 appengine gccgo
package sha3
// rc stores the round constants for use in the ι step.
var rc = [24]uint64{
0x0000000000000001,
0x0000000000008082,
0x800000000000808A,
0x8000000080008000,
0x000000000000808B,
0x0000000080000001,
0x8000000080008081,
0x8000000000008009,
0x000000000000008A,
0x0000000000000088,
0x0000000080008009,
0x000000008000000A,
0x000000008000808B,
0x800000000000008B,
0x8000000000008089,
0x8000000000008003,
0x8000000000008002,
0x8000000000000080,
0x000000000000800A,
0x800000008000000A,
0x8000000080008081,
0x8000000000008080,
0x0000000080000001,
0x8000000080008008,
}
// keccakF1600 applies the Keccak permutation to a 1600b-wide
// state represented as a slice of 25 uint64s.
func keccakF1600(a *[25]uint64) {
// Implementation translated from Keccak-inplace.c
// in the keccak reference code.
var t, bc0, bc1, bc2, bc3, bc4, d0, d1, d2, d3, d4 uint64
for i := 0; i < 24; i += 4 {
// Combines the 5 steps in each round into 2 steps.
// Unrolls 4 rounds per loop and spreads some steps across rounds.
// Round 1
bc0 = a[0] ^ a[5] ^ a[10] ^ a[15] ^ a[20]
bc1 = a[1] ^ a[6] ^ a[11] ^ a[16] ^ a[21]
bc2 = a[2] ^ a[7] ^ a[12] ^ a[17] ^ a[22]
bc3 = a[3] ^ a[8] ^ a[13] ^ a[18] ^ a[23]
bc4 = a[4] ^ a[9] ^ a[14] ^ a[19] ^ a[24]
d0 = bc4 ^ (bc1<<1 | bc1>>63)
d1 = bc0 ^ (bc2<<1 | bc2>>63)
d2 = bc1 ^ (bc3<<1 | bc3>>63)
d3 = bc2 ^ (bc4<<1 | bc4>>63)
d4 = bc3 ^ (bc0<<1 | bc0>>63)
bc0 = a[0] ^ d0
t = a[6] ^ d1
bc1 = t<<44 | t>>(64-44)
t = a[12] ^ d2
bc2 = t<<43 | t>>(64-43)
t = a[18] ^ d3
bc3 = t<<21 | t>>(64-21)
t = a[24] ^ d4
bc4 = t<<14 | t>>(64-14)
a[0] = bc0 ^ (bc2 &^ bc1) ^ rc[i]
a[6] = bc1 ^ (bc3 &^ bc2)
a[12] = bc2 ^ (bc4 &^ bc3)
a[18] = bc3 ^ (bc0 &^ bc4)
a[24] = bc4 ^ (bc1 &^ bc0)
t = a[10] ^ d0
bc2 = t<<3 | t>>(64-3)
t = a[16] ^ d1
bc3 = t<<45 | t>>(64-45)
t = a[22] ^ d2
bc4 = t<<61 | t>>(64-61)
t = a[3] ^ d3
bc0 = t<<28 | t>>(64-28)
t = a[9] ^ d4
bc1 = t<<20 | t>>(64-20)
a[10] = bc0 ^ (bc2 &^ bc1)
a[16] = bc1 ^ (bc3 &^ bc2)
a[22] = bc2 ^ (bc4 &^ bc3)
a[3] = bc3 ^ (bc0 &^ bc4)
a[9] = bc4 ^ (bc1 &^ bc0)
t = a[20] ^ d0
bc4 = t<<18 | t>>(64-18)
t = a[1] ^ d1
bc0 = t<<1 | t>>(64-1)
t = a[7] ^ d2
bc1 = t<<6 | t>>(64-6)
t = a[13] ^ d3
bc2 = t<<25 | t>>(64-25)
t = a[19] ^ d4
bc3 = t<<8 | t>>(64-8)
a[20] = bc0 ^ (bc2 &^ bc1)
a[1] = bc1 ^ (bc3 &^ bc2)
a[7] = bc2 ^ (bc4 &^ bc3)
a[13] = bc3 ^ (bc0 &^ bc4)
a[19] = bc4 ^ (bc1 &^ bc0)
t = a[5] ^ d0
bc1 = t<<36 | t>>(64-36)
t = a[11] ^ d1
bc2 = t<<10 | t>>(64-10)
t = a[17] ^ d2
bc3 = t<<15 | t>>(64-15)
t = a[23] ^ d3
bc4 = t<<56 | t>>(64-56)
t = a[4] ^ d4
bc0 = t<<27 | t>>(64-27)
a[5] = bc0 ^ (bc2 &^ bc1)
a[11] = bc1 ^ (bc3 &^ bc2)
a[17] = bc2 ^ (bc4 &^ bc3)
a[23] = bc3 ^ (bc0 &^ bc4)
a[4] = bc4 ^ (bc1 &^ bc0)
t = a[15] ^ d0
bc3 = t<<41 | t>>(64-41)
t = a[21] ^ d1
bc4 = t<<2 | t>>(64-2)
t = a[2] ^ d2
bc0 = t<<62 | t>>(64-62)
t = a[8] ^ d3
bc1 = t<<55 | t>>(64-55)
t = a[14] ^ d4
bc2 = t<<39 | t>>(64-39)
a[15] = bc0 ^ (bc2 &^ bc1)
a[21] = bc1 ^ (bc3 &^ bc2)
a[2] = bc2 ^ (bc4 &^ bc3)
a[8] = bc3 ^ (bc0 &^ bc4)
a[14] = bc4 ^ (bc1 &^ bc0)
// Round 2
bc0 = a[0] ^ a[5] ^ a[10] ^ a[15] ^ a[20]
bc1 = a[1] ^ a[6] ^ a[11] ^ a[16] ^ a[21]
bc2 = a[2] ^ a[7] ^ a[12] ^ a[17] ^ a[22]
bc3 = a[3] ^ a[8] ^ a[13] ^ a[18] ^ a[23]
bc4 = a[4] ^ a[9] ^ a[14] ^ a[19] ^ a[24]
d0 = bc4 ^ (bc1<<1 | bc1>>63)
d1 = bc0 ^ (bc2<<1 | bc2>>63)
d2 = bc1 ^ (bc3<<1 | bc3>>63)
d3 = bc2 ^ (bc4<<1 | bc4>>63)
d4 = bc3 ^ (bc0<<1 | bc0>>63)
bc0 = a[0] ^ d0
t = a[16] ^ d1
bc1 = t<<44 | t>>(64-44)
t = a[7] ^ d2
bc2 = t<<43 | t>>(64-43)
t = a[23] ^ d3
bc3 = t<<21 | t>>(64-21)
t = a[14] ^ d4
bc4 = t<<14 | t>>(64-14)
a[0] = bc0 ^ (bc2 &^ bc1) ^ rc[i+1]
a[16] = bc1 ^ (bc3 &^ bc2)
a[7] = bc2 ^ (bc4 &^ bc3)
a[23] = bc3 ^ (bc0 &^ bc4)
a[14] = bc4 ^ (bc1 &^ bc0)
t = a[20] ^ d0
bc2 = t<<3 | t>>(64-3)
t = a[11] ^ d1
bc3 = t<<45 | t>>(64-45)
t = a[2] ^ d2
bc4 = t<<61 | t>>(64-61)
t = a[18] ^ d3
bc0 = t<<28 | t>>(64-28)
t = a[9] ^ d4
bc1 = t<<20 | t>>(64-20)
a[20] = bc0 ^ (bc2 &^ bc1)
a[11] = bc1 ^ (bc3 &^ bc2)
a[2] = bc2 ^ (bc4 &^ bc3)
a[18] = bc3 ^ (bc0 &^ bc4)
a[9] = bc4 ^ (bc1 &^ bc0)
t = a[15] ^ d0
bc4 = t<<18 | t>>(64-18)
t = a[6] ^ d1
bc0 = t<<1 | t>>(64-1)
t = a[22] ^ d2
bc1 = t<<6 | t>>(64-6)
t = a[13] ^ d3
bc2 = t<<25 | t>>(64-25)
t = a[4] ^ d4
bc3 = t<<8 | t>>(64-8)
a[15] = bc0 ^ (bc2 &^ bc1)
a[6] = bc1 ^ (bc3 &^ bc2)
a[22] = bc2 ^ (bc4 &^ bc3)
a[13] = bc3 ^ (bc0 &^ bc4)
a[4] = bc4 ^ (bc1 &^ bc0)
t = a[10] ^ d0
bc1 = t<<36 | t>>(64-36)
t = a[1] ^ d1
bc2 = t<<10 | t>>(64-10)
t = a[17] ^ d2
bc3 = t<<15 | t>>(64-15)
t = a[8] ^ d3
bc4 = t<<56 | t>>(64-56)
t = a[24] ^ d4
bc0 = t<<27 | t>>(64-27)
a[10] = bc0 ^ (bc2 &^ bc1)
a[1] = bc1 ^ (bc3 &^ bc2)
a[17] = bc2 ^ (bc4 &^ bc3)
a[8] = bc3 ^ (bc0 &^ bc4)
a[24] = bc4 ^ (bc1 &^ bc0)
t = a[5] ^ d0
bc3 = t<<41 | t>>(64-41)
t = a[21] ^ d1
bc4 = t<<2 | t>>(64-2)
t = a[12] ^ d2
bc0 = t<<62 | t>>(64-62)
t = a[3] ^ d3
bc1 = t<<55 | t>>(64-55)
t = a[19] ^ d4
bc2 = t<<39 | t>>(64-39)
a[5] = bc0 ^ (bc2 &^ bc1)
a[21] = bc1 ^ (bc3 &^ bc2)
a[12] = bc2 ^ (bc4 &^ bc3)
a[3] = bc3 ^ (bc0 &^ bc4)
a[19] = bc4 ^ (bc1 &^ bc0)
// Round 3
bc0 = a[0] ^ a[5] ^ a[10] ^ a[15] ^ a[20]
bc1 = a[1] ^ a[6] ^ a[11] ^ a[16] ^ a[21]
bc2 = a[2] ^ a[7] ^ a[12] ^ a[17] ^ a[22]
bc3 = a[3] ^ a[8] ^ a[13] ^ a[18] ^ a[23]
bc4 = a[4] ^ a[9] ^ a[14] ^ a[19] ^ a[24]
d0 = bc4 ^ (bc1<<1 | bc1>>63)
d1 = bc0 ^ (bc2<<1 | bc2>>63)
d2 = bc1 ^ (bc3<<1 | bc3>>63)
d3 = bc2 ^ (bc4<<1 | bc4>>63)
d4 = bc3 ^ (bc0<<1 | bc0>>63)
bc0 = a[0] ^ d0
t = a[11] ^ d1
bc1 = t<<44 | t>>(64-44)
t = a[22] ^ d2
bc2 = t<<43 | t>>(64-43)
t = a[8] ^ d3
bc3 = t<<21 | t>>(64-21)
t = a[19] ^ d4
bc4 = t<<14 | t>>(64-14)
a[0] = bc0 ^ (bc2 &^ bc1) ^ rc[i+2]
a[11] = bc1 ^ (bc3 &^ bc2)
a[22] = bc2 ^ (bc4 &^ bc3)
a[8] = bc3 ^ (bc0 &^ bc4)
a[19] = bc4 ^ (bc1 &^ bc0)
t = a[15] ^ d0
bc2 = t<<3 | t>>(64-3)
t = a[1] ^ d1
bc3 = t<<45 | t>>(64-45)
t = a[12] ^ d2
bc4 = t<<61 | t>>(64-61)
t = a[23] ^ d3
bc0 = t<<28 | t>>(64-28)
t = a[9] ^ d4
bc1 = t<<20 | t>>(64-20)
a[15] = bc0 ^ (bc2 &^ bc1)
a[1] = bc1 ^ (bc3 &^ bc2)
a[12] = bc2 ^ (bc4 &^ bc3)
a[23] = bc3 ^ (bc0 &^ bc4)
a[9] = bc4 ^ (bc1 &^ bc0)
t = a[5] ^ d0
bc4 = t<<18 | t>>(64-18)
t = a[16] ^ d1
bc0 = t<<1 | t>>(64-1)
t = a[2] ^ d2
bc1 = t<<6 | t>>(64-6)
t = a[13] ^ d3
bc2 = t<<25 | t>>(64-25)
t = a[24] ^ d4
bc3 = t<<8 | t>>(64-8)
a[5] = bc0 ^ (bc2 &^ bc1)
a[16] = bc1 ^ (bc3 &^ bc2)
a[2] = bc2 ^ (bc4 &^ bc3)
a[13] = bc3 ^ (bc0 &^ bc4)
a[24] = bc4 ^ (bc1 &^ bc0)
t = a[20] ^ d0
bc1 = t<<36 | t>>(64-36)
t = a[6] ^ d1
bc2 = t<<10 | t>>(64-10)
t = a[17] ^ d2
bc3 = t<<15 | t>>(64-15)
t = a[3] ^ d3
bc4 = t<<56 | t>>(64-56)
t = a[14] ^ d4
bc0 = t<<27 | t>>(64-27)
a[20] = bc0 ^ (bc2 &^ bc1)
a[6] = bc1 ^ (bc3 &^ bc2)
a[17] = bc2 ^ (bc4 &^ bc3)
a[3] = bc3 ^ (bc0 &^ bc4)
a[14] = bc4 ^ (bc1 &^ bc0)
t = a[10] ^ d0
bc3 = t<<41 | t>>(64-41)
t = a[21] ^ d1
bc4 = t<<2 | t>>(64-2)
t = a[7] ^ d2
bc0 = t<<62 | t>>(64-62)
t = a[18] ^ d3
bc1 = t<<55 | t>>(64-55)
t = a[4] ^ d4
bc2 = t<<39 | t>>(64-39)
a[10] = bc0 ^ (bc2 &^ bc1)
a[21] = bc1 ^ (bc3 &^ bc2)
a[7] = bc2 ^ (bc4 &^ bc3)
a[18] = bc3 ^ (bc0 &^ bc4)
a[4] = bc4 ^ (bc1 &^ bc0)
// Round 4
bc0 = a[0] ^ a[5] ^ a[10] ^ a[15] ^ a[20]
bc1 = a[1] ^ a[6] ^ a[11] ^ a[16] ^ a[21]
bc2 = a[2] ^ a[7] ^ a[12] ^ a[17] ^ a[22]
bc3 = a[3] ^ a[8] ^ a[13] ^ a[18] ^ a[23]
bc4 = a[4] ^ a[9] ^ a[14] ^ a[19] ^ a[24]
d0 = bc4 ^ (bc1<<1 | bc1>>63)
d1 = bc0 ^ (bc2<<1 | bc2>>63)
d2 = bc1 ^ (bc3<<1 | bc3>>63)
d3 = bc2 ^ (bc4<<1 | bc4>>63)
d4 = bc3 ^ (bc0<<1 | bc0>>63)
bc0 = a[0] ^ d0
t = a[1] ^ d1
bc1 = t<<44 | t>>(64-44)
t = a[2] ^ d2
bc2 = t<<43 | t>>(64-43)
t = a[3] ^ d3
bc3 = t<<21 | t>>(64-21)
t = a[4] ^ d4
bc4 = t<<14 | t>>(64-14)
a[0] = bc0 ^ (bc2 &^ bc1) ^ rc[i+3]
a[1] = bc1 ^ (bc3 &^ bc2)
a[2] = bc2 ^ (bc4 &^ bc3)
a[3] = bc3 ^ (bc0 &^ bc4)
a[4] = bc4 ^ (bc1 &^ bc0)
t = a[5] ^ d0
bc2 = t<<3 | t>>(64-3)
t = a[6] ^ d1
bc3 = t<<45 | t>>(64-45)
t = a[7] ^ d2
bc4 = t<<61 | t>>(64-61)
t = a[8] ^ d3
bc0 = t<<28 | t>>(64-28)
t = a[9] ^ d4
bc1 = t<<20 | t>>(64-20)
a[5] = bc0 ^ (bc2 &^ bc1)
a[6] = bc1 ^ (bc3 &^ bc2)
a[7] = bc2 ^ (bc4 &^ bc3)
a[8] = bc3 ^ (bc0 &^ bc4)
a[9] = bc4 ^ (bc1 &^ bc0)
t = a[10] ^ d0
bc4 = t<<18 | t>>(64-18)
t = a[11] ^ d1
bc0 = t<<1 | t>>(64-1)
t = a[12] ^ d2
bc1 = t<<6 | t>>(64-6)
t = a[13] ^ d3
bc2 = t<<25 | t>>(64-25)
t = a[14] ^ d4
bc3 = t<<8 | t>>(64-8)
a[10] = bc0 ^ (bc2 &^ bc1)
a[11] = bc1 ^ (bc3 &^ bc2)
a[12] = bc2 ^ (bc4 &^ bc3)
a[13] = bc3 ^ (bc0 &^ bc4)
a[14] = bc4 ^ (bc1 &^ bc0)
t = a[15] ^ d0
bc1 = t<<36 | t>>(64-36)
t = a[16] ^ d1
bc2 = t<<10 | t>>(64-10)
t = a[17] ^ d2
bc3 = t<<15 | t>>(64-15)
t = a[18] ^ d3
bc4 = t<<56 | t>>(64-56)
t = a[19] ^ d4
bc0 = t<<27 | t>>(64-27)
a[15] = bc0 ^ (bc2 &^ bc1)
a[16] = bc1 ^ (bc3 &^ bc2)
a[17] = bc2 ^ (bc4 &^ bc3)
a[18] = bc3 ^ (bc0 &^ bc4)
a[19] = bc4 ^ (bc1 &^ bc0)
t = a[20] ^ d0
bc3 = t<<41 | t>>(64-41)
t = a[21] ^ d1
bc4 = t<<2 | t>>(64-2)
t = a[22] ^ d2
bc0 = t<<62 | t>>(64-62)
t = a[23] ^ d3
bc1 = t<<55 | t>>(64-55)
t = a[24] ^ d4
bc2 = t<<39 | t>>(64-39)
a[20] = bc0 ^ (bc2 &^ bc1)
a[21] = bc1 ^ (bc3 &^ bc2)
a[22] = bc2 ^ (bc4 &^ bc3)
a[23] = bc3 ^ (bc0 &^ bc4)
a[24] = bc4 ^ (bc1 &^ bc0)
}
}

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// Copyright 2015 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build amd64,!appengine,!gccgo
package sha3
// This function is implemented in keccakf_amd64.s.
//go:noescape
func keccakF1600(a *[25]uint64)

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// Copyright 2015 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build amd64,!appengine,!gccgo
// This code was translated into a form compatible with 6a from the public
// domain sources at https://github.com/gvanas/KeccakCodePackage
// Offsets in state
#define _ba (0*8)
#define _be (1*8)
#define _bi (2*8)
#define _bo (3*8)
#define _bu (4*8)
#define _ga (5*8)
#define _ge (6*8)
#define _gi (7*8)
#define _go (8*8)
#define _gu (9*8)
#define _ka (10*8)
#define _ke (11*8)
#define _ki (12*8)
#define _ko (13*8)
#define _ku (14*8)
#define _ma (15*8)
#define _me (16*8)
#define _mi (17*8)
#define _mo (18*8)
#define _mu (19*8)
#define _sa (20*8)
#define _se (21*8)
#define _si (22*8)
#define _so (23*8)
#define _su (24*8)
// Temporary registers
#define rT1 AX
// Round vars
#define rpState DI
#define rpStack SP
#define rDa BX
#define rDe CX
#define rDi DX
#define rDo R8
#define rDu R9
#define rBa R10
#define rBe R11
#define rBi R12
#define rBo R13
#define rBu R14
#define rCa SI
#define rCe BP
#define rCi rBi
#define rCo rBo
#define rCu R15
#define MOVQ_RBI_RCE MOVQ rBi, rCe
#define XORQ_RT1_RCA XORQ rT1, rCa
#define XORQ_RT1_RCE XORQ rT1, rCe
#define XORQ_RBA_RCU XORQ rBa, rCu
#define XORQ_RBE_RCU XORQ rBe, rCu
#define XORQ_RDU_RCU XORQ rDu, rCu
#define XORQ_RDA_RCA XORQ rDa, rCa
#define XORQ_RDE_RCE XORQ rDe, rCe
#define mKeccakRound(iState, oState, rc, B_RBI_RCE, G_RT1_RCA, G_RT1_RCE, G_RBA_RCU, K_RT1_RCA, K_RT1_RCE, K_RBA_RCU, M_RT1_RCA, M_RT1_RCE, M_RBE_RCU, S_RDU_RCU, S_RDA_RCA, S_RDE_RCE) \
/* Prepare round */ \
MOVQ rCe, rDa; \
ROLQ $1, rDa; \
\
MOVQ _bi(iState), rCi; \
XORQ _gi(iState), rDi; \
XORQ rCu, rDa; \
XORQ _ki(iState), rCi; \
XORQ _mi(iState), rDi; \
XORQ rDi, rCi; \
\
MOVQ rCi, rDe; \
ROLQ $1, rDe; \
\
MOVQ _bo(iState), rCo; \
XORQ _go(iState), rDo; \
XORQ rCa, rDe; \
XORQ _ko(iState), rCo; \
XORQ _mo(iState), rDo; \
XORQ rDo, rCo; \
\
MOVQ rCo, rDi; \
ROLQ $1, rDi; \
\
MOVQ rCu, rDo; \
XORQ rCe, rDi; \
ROLQ $1, rDo; \
\
MOVQ rCa, rDu; \
XORQ rCi, rDo; \
ROLQ $1, rDu; \
\
/* Result b */ \
MOVQ _ba(iState), rBa; \
MOVQ _ge(iState), rBe; \
XORQ rCo, rDu; \
MOVQ _ki(iState), rBi; \
MOVQ _mo(iState), rBo; \
MOVQ _su(iState), rBu; \
XORQ rDe, rBe; \
ROLQ $44, rBe; \
XORQ rDi, rBi; \
XORQ rDa, rBa; \
ROLQ $43, rBi; \
\
MOVQ rBe, rCa; \
MOVQ rc, rT1; \
ORQ rBi, rCa; \
XORQ rBa, rT1; \
XORQ rT1, rCa; \
MOVQ rCa, _ba(oState); \
\
XORQ rDu, rBu; \
ROLQ $14, rBu; \
MOVQ rBa, rCu; \
ANDQ rBe, rCu; \
XORQ rBu, rCu; \
MOVQ rCu, _bu(oState); \
\
XORQ rDo, rBo; \
ROLQ $21, rBo; \
MOVQ rBo, rT1; \
ANDQ rBu, rT1; \
XORQ rBi, rT1; \
MOVQ rT1, _bi(oState); \
\
NOTQ rBi; \
ORQ rBa, rBu; \
ORQ rBo, rBi; \
XORQ rBo, rBu; \
XORQ rBe, rBi; \
MOVQ rBu, _bo(oState); \
MOVQ rBi, _be(oState); \
B_RBI_RCE; \
\
/* Result g */ \
MOVQ _gu(iState), rBe; \
XORQ rDu, rBe; \
MOVQ _ka(iState), rBi; \
ROLQ $20, rBe; \
XORQ rDa, rBi; \
ROLQ $3, rBi; \
MOVQ _bo(iState), rBa; \
MOVQ rBe, rT1; \
ORQ rBi, rT1; \
XORQ rDo, rBa; \
MOVQ _me(iState), rBo; \
MOVQ _si(iState), rBu; \
ROLQ $28, rBa; \
XORQ rBa, rT1; \
MOVQ rT1, _ga(oState); \
G_RT1_RCA; \
\
XORQ rDe, rBo; \
ROLQ $45, rBo; \
MOVQ rBi, rT1; \
ANDQ rBo, rT1; \
XORQ rBe, rT1; \
MOVQ rT1, _ge(oState); \
G_RT1_RCE; \
\
XORQ rDi, rBu; \
ROLQ $61, rBu; \
MOVQ rBu, rT1; \
ORQ rBa, rT1; \
XORQ rBo, rT1; \
MOVQ rT1, _go(oState); \
\
ANDQ rBe, rBa; \
XORQ rBu, rBa; \
MOVQ rBa, _gu(oState); \
NOTQ rBu; \
G_RBA_RCU; \
\
ORQ rBu, rBo; \
XORQ rBi, rBo; \
MOVQ rBo, _gi(oState); \
\
/* Result k */ \
MOVQ _be(iState), rBa; \
MOVQ _gi(iState), rBe; \
MOVQ _ko(iState), rBi; \
MOVQ _mu(iState), rBo; \
MOVQ _sa(iState), rBu; \
XORQ rDi, rBe; \
ROLQ $6, rBe; \
XORQ rDo, rBi; \
ROLQ $25, rBi; \
MOVQ rBe, rT1; \
ORQ rBi, rT1; \
XORQ rDe, rBa; \
ROLQ $1, rBa; \
XORQ rBa, rT1; \
MOVQ rT1, _ka(oState); \
K_RT1_RCA; \
\
XORQ rDu, rBo; \
ROLQ $8, rBo; \
MOVQ rBi, rT1; \
ANDQ rBo, rT1; \
XORQ rBe, rT1; \
MOVQ rT1, _ke(oState); \
K_RT1_RCE; \
\
XORQ rDa, rBu; \
ROLQ $18, rBu; \
NOTQ rBo; \
MOVQ rBo, rT1; \
ANDQ rBu, rT1; \
XORQ rBi, rT1; \
MOVQ rT1, _ki(oState); \
\
MOVQ rBu, rT1; \
ORQ rBa, rT1; \
XORQ rBo, rT1; \
MOVQ rT1, _ko(oState); \
\
ANDQ rBe, rBa; \
XORQ rBu, rBa; \
MOVQ rBa, _ku(oState); \
K_RBA_RCU; \
\
/* Result m */ \
MOVQ _ga(iState), rBe; \
XORQ rDa, rBe; \
MOVQ _ke(iState), rBi; \
ROLQ $36, rBe; \
XORQ rDe, rBi; \
MOVQ _bu(iState), rBa; \
ROLQ $10, rBi; \
MOVQ rBe, rT1; \
MOVQ _mi(iState), rBo; \
ANDQ rBi, rT1; \
XORQ rDu, rBa; \
MOVQ _so(iState), rBu; \
ROLQ $27, rBa; \
XORQ rBa, rT1; \
MOVQ rT1, _ma(oState); \
M_RT1_RCA; \
\
XORQ rDi, rBo; \
ROLQ $15, rBo; \
MOVQ rBi, rT1; \
ORQ rBo, rT1; \
XORQ rBe, rT1; \
MOVQ rT1, _me(oState); \
M_RT1_RCE; \
\
XORQ rDo, rBu; \
ROLQ $56, rBu; \
NOTQ rBo; \
MOVQ rBo, rT1; \
ORQ rBu, rT1; \
XORQ rBi, rT1; \
MOVQ rT1, _mi(oState); \
\
ORQ rBa, rBe; \
XORQ rBu, rBe; \
MOVQ rBe, _mu(oState); \
\
ANDQ rBa, rBu; \
XORQ rBo, rBu; \
MOVQ rBu, _mo(oState); \
M_RBE_RCU; \
\
/* Result s */ \
MOVQ _bi(iState), rBa; \
MOVQ _go(iState), rBe; \
MOVQ _ku(iState), rBi; \
XORQ rDi, rBa; \
MOVQ _ma(iState), rBo; \
ROLQ $62, rBa; \
XORQ rDo, rBe; \
MOVQ _se(iState), rBu; \
ROLQ $55, rBe; \
\
XORQ rDu, rBi; \
MOVQ rBa, rDu; \
XORQ rDe, rBu; \
ROLQ $2, rBu; \
ANDQ rBe, rDu; \
XORQ rBu, rDu; \
MOVQ rDu, _su(oState); \
\
ROLQ $39, rBi; \
S_RDU_RCU; \
NOTQ rBe; \
XORQ rDa, rBo; \
MOVQ rBe, rDa; \
ANDQ rBi, rDa; \
XORQ rBa, rDa; \
MOVQ rDa, _sa(oState); \
S_RDA_RCA; \
\
ROLQ $41, rBo; \
MOVQ rBi, rDe; \
ORQ rBo, rDe; \
XORQ rBe, rDe; \
MOVQ rDe, _se(oState); \
S_RDE_RCE; \
\
MOVQ rBo, rDi; \
MOVQ rBu, rDo; \
ANDQ rBu, rDi; \
ORQ rBa, rDo; \
XORQ rBi, rDi; \
XORQ rBo, rDo; \
MOVQ rDi, _si(oState); \
MOVQ rDo, _so(oState) \
// func keccakF1600(state *[25]uint64)
TEXT ·keccakF1600(SB), 0, $200-8
MOVQ state+0(FP), rpState
// Convert the user state into an internal state
NOTQ _be(rpState)
NOTQ _bi(rpState)
NOTQ _go(rpState)
NOTQ _ki(rpState)
NOTQ _mi(rpState)
NOTQ _sa(rpState)
// Execute the KeccakF permutation
MOVQ _ba(rpState), rCa
MOVQ _be(rpState), rCe
MOVQ _bu(rpState), rCu
XORQ _ga(rpState), rCa
XORQ _ge(rpState), rCe
XORQ _gu(rpState), rCu
XORQ _ka(rpState), rCa
XORQ _ke(rpState), rCe
XORQ _ku(rpState), rCu
XORQ _ma(rpState), rCa
XORQ _me(rpState), rCe
XORQ _mu(rpState), rCu
XORQ _sa(rpState), rCa
XORQ _se(rpState), rCe
MOVQ _si(rpState), rDi
MOVQ _so(rpState), rDo
XORQ _su(rpState), rCu
mKeccakRound(rpState, rpStack, $0x0000000000000001, MOVQ_RBI_RCE, XORQ_RT1_RCA, XORQ_RT1_RCE, XORQ_RBA_RCU, XORQ_RT1_RCA, XORQ_RT1_RCE, XORQ_RBA_RCU, XORQ_RT1_RCA, XORQ_RT1_RCE, XORQ_RBE_RCU, XORQ_RDU_RCU, XORQ_RDA_RCA, XORQ_RDE_RCE)
mKeccakRound(rpStack, rpState, $0x0000000000008082, MOVQ_RBI_RCE, XORQ_RT1_RCA, XORQ_RT1_RCE, XORQ_RBA_RCU, XORQ_RT1_RCA, XORQ_RT1_RCE, XORQ_RBA_RCU, XORQ_RT1_RCA, XORQ_RT1_RCE, XORQ_RBE_RCU, XORQ_RDU_RCU, XORQ_RDA_RCA, XORQ_RDE_RCE)
mKeccakRound(rpState, rpStack, $0x800000000000808a, MOVQ_RBI_RCE, XORQ_RT1_RCA, XORQ_RT1_RCE, XORQ_RBA_RCU, XORQ_RT1_RCA, XORQ_RT1_RCE, XORQ_RBA_RCU, XORQ_RT1_RCA, XORQ_RT1_RCE, XORQ_RBE_RCU, XORQ_RDU_RCU, XORQ_RDA_RCA, XORQ_RDE_RCE)
mKeccakRound(rpStack, rpState, $0x8000000080008000, MOVQ_RBI_RCE, XORQ_RT1_RCA, XORQ_RT1_RCE, XORQ_RBA_RCU, XORQ_RT1_RCA, XORQ_RT1_RCE, XORQ_RBA_RCU, XORQ_RT1_RCA, XORQ_RT1_RCE, XORQ_RBE_RCU, XORQ_RDU_RCU, XORQ_RDA_RCA, XORQ_RDE_RCE)
mKeccakRound(rpState, rpStack, $0x000000000000808b, MOVQ_RBI_RCE, XORQ_RT1_RCA, XORQ_RT1_RCE, XORQ_RBA_RCU, XORQ_RT1_RCA, XORQ_RT1_RCE, XORQ_RBA_RCU, XORQ_RT1_RCA, XORQ_RT1_RCE, XORQ_RBE_RCU, XORQ_RDU_RCU, XORQ_RDA_RCA, XORQ_RDE_RCE)
mKeccakRound(rpStack, rpState, $0x0000000080000001, MOVQ_RBI_RCE, XORQ_RT1_RCA, XORQ_RT1_RCE, XORQ_RBA_RCU, XORQ_RT1_RCA, XORQ_RT1_RCE, XORQ_RBA_RCU, XORQ_RT1_RCA, XORQ_RT1_RCE, XORQ_RBE_RCU, XORQ_RDU_RCU, XORQ_RDA_RCA, XORQ_RDE_RCE)
mKeccakRound(rpState, rpStack, $0x8000000080008081, MOVQ_RBI_RCE, XORQ_RT1_RCA, XORQ_RT1_RCE, XORQ_RBA_RCU, XORQ_RT1_RCA, XORQ_RT1_RCE, XORQ_RBA_RCU, XORQ_RT1_RCA, XORQ_RT1_RCE, XORQ_RBE_RCU, XORQ_RDU_RCU, XORQ_RDA_RCA, XORQ_RDE_RCE)
mKeccakRound(rpStack, rpState, $0x8000000000008009, MOVQ_RBI_RCE, XORQ_RT1_RCA, XORQ_RT1_RCE, XORQ_RBA_RCU, XORQ_RT1_RCA, XORQ_RT1_RCE, XORQ_RBA_RCU, XORQ_RT1_RCA, XORQ_RT1_RCE, XORQ_RBE_RCU, XORQ_RDU_RCU, XORQ_RDA_RCA, XORQ_RDE_RCE)
mKeccakRound(rpState, rpStack, $0x000000000000008a, MOVQ_RBI_RCE, XORQ_RT1_RCA, XORQ_RT1_RCE, XORQ_RBA_RCU, XORQ_RT1_RCA, XORQ_RT1_RCE, XORQ_RBA_RCU, XORQ_RT1_RCA, XORQ_RT1_RCE, XORQ_RBE_RCU, XORQ_RDU_RCU, XORQ_RDA_RCA, XORQ_RDE_RCE)
mKeccakRound(rpStack, rpState, $0x0000000000000088, MOVQ_RBI_RCE, XORQ_RT1_RCA, XORQ_RT1_RCE, XORQ_RBA_RCU, XORQ_RT1_RCA, XORQ_RT1_RCE, XORQ_RBA_RCU, XORQ_RT1_RCA, XORQ_RT1_RCE, XORQ_RBE_RCU, XORQ_RDU_RCU, XORQ_RDA_RCA, XORQ_RDE_RCE)
mKeccakRound(rpState, rpStack, $0x0000000080008009, MOVQ_RBI_RCE, XORQ_RT1_RCA, XORQ_RT1_RCE, XORQ_RBA_RCU, XORQ_RT1_RCA, XORQ_RT1_RCE, XORQ_RBA_RCU, XORQ_RT1_RCA, XORQ_RT1_RCE, XORQ_RBE_RCU, XORQ_RDU_RCU, XORQ_RDA_RCA, XORQ_RDE_RCE)
mKeccakRound(rpStack, rpState, $0x000000008000000a, MOVQ_RBI_RCE, XORQ_RT1_RCA, XORQ_RT1_RCE, XORQ_RBA_RCU, XORQ_RT1_RCA, XORQ_RT1_RCE, XORQ_RBA_RCU, XORQ_RT1_RCA, XORQ_RT1_RCE, XORQ_RBE_RCU, XORQ_RDU_RCU, XORQ_RDA_RCA, XORQ_RDE_RCE)
mKeccakRound(rpState, rpStack, $0x000000008000808b, MOVQ_RBI_RCE, XORQ_RT1_RCA, XORQ_RT1_RCE, XORQ_RBA_RCU, XORQ_RT1_RCA, XORQ_RT1_RCE, XORQ_RBA_RCU, XORQ_RT1_RCA, XORQ_RT1_RCE, XORQ_RBE_RCU, XORQ_RDU_RCU, XORQ_RDA_RCA, XORQ_RDE_RCE)
mKeccakRound(rpStack, rpState, $0x800000000000008b, MOVQ_RBI_RCE, XORQ_RT1_RCA, XORQ_RT1_RCE, XORQ_RBA_RCU, XORQ_RT1_RCA, XORQ_RT1_RCE, XORQ_RBA_RCU, XORQ_RT1_RCA, XORQ_RT1_RCE, XORQ_RBE_RCU, XORQ_RDU_RCU, XORQ_RDA_RCA, XORQ_RDE_RCE)
mKeccakRound(rpState, rpStack, $0x8000000000008089, MOVQ_RBI_RCE, XORQ_RT1_RCA, XORQ_RT1_RCE, XORQ_RBA_RCU, XORQ_RT1_RCA, XORQ_RT1_RCE, XORQ_RBA_RCU, XORQ_RT1_RCA, XORQ_RT1_RCE, XORQ_RBE_RCU, XORQ_RDU_RCU, XORQ_RDA_RCA, XORQ_RDE_RCE)
mKeccakRound(rpStack, rpState, $0x8000000000008003, MOVQ_RBI_RCE, XORQ_RT1_RCA, XORQ_RT1_RCE, XORQ_RBA_RCU, XORQ_RT1_RCA, XORQ_RT1_RCE, XORQ_RBA_RCU, XORQ_RT1_RCA, XORQ_RT1_RCE, XORQ_RBE_RCU, XORQ_RDU_RCU, XORQ_RDA_RCA, XORQ_RDE_RCE)
mKeccakRound(rpState, rpStack, $0x8000000000008002, MOVQ_RBI_RCE, XORQ_RT1_RCA, XORQ_RT1_RCE, XORQ_RBA_RCU, XORQ_RT1_RCA, XORQ_RT1_RCE, XORQ_RBA_RCU, XORQ_RT1_RCA, XORQ_RT1_RCE, XORQ_RBE_RCU, XORQ_RDU_RCU, XORQ_RDA_RCA, XORQ_RDE_RCE)
mKeccakRound(rpStack, rpState, $0x8000000000000080, MOVQ_RBI_RCE, XORQ_RT1_RCA, XORQ_RT1_RCE, XORQ_RBA_RCU, XORQ_RT1_RCA, XORQ_RT1_RCE, XORQ_RBA_RCU, XORQ_RT1_RCA, XORQ_RT1_RCE, XORQ_RBE_RCU, XORQ_RDU_RCU, XORQ_RDA_RCA, XORQ_RDE_RCE)
mKeccakRound(rpState, rpStack, $0x000000000000800a, MOVQ_RBI_RCE, XORQ_RT1_RCA, XORQ_RT1_RCE, XORQ_RBA_RCU, XORQ_RT1_RCA, XORQ_RT1_RCE, XORQ_RBA_RCU, XORQ_RT1_RCA, XORQ_RT1_RCE, XORQ_RBE_RCU, XORQ_RDU_RCU, XORQ_RDA_RCA, XORQ_RDE_RCE)
mKeccakRound(rpStack, rpState, $0x800000008000000a, MOVQ_RBI_RCE, XORQ_RT1_RCA, XORQ_RT1_RCE, XORQ_RBA_RCU, XORQ_RT1_RCA, XORQ_RT1_RCE, XORQ_RBA_RCU, XORQ_RT1_RCA, XORQ_RT1_RCE, XORQ_RBE_RCU, XORQ_RDU_RCU, XORQ_RDA_RCA, XORQ_RDE_RCE)
mKeccakRound(rpState, rpStack, $0x8000000080008081, MOVQ_RBI_RCE, XORQ_RT1_RCA, XORQ_RT1_RCE, XORQ_RBA_RCU, XORQ_RT1_RCA, XORQ_RT1_RCE, XORQ_RBA_RCU, XORQ_RT1_RCA, XORQ_RT1_RCE, XORQ_RBE_RCU, XORQ_RDU_RCU, XORQ_RDA_RCA, XORQ_RDE_RCE)
mKeccakRound(rpStack, rpState, $0x8000000000008080, MOVQ_RBI_RCE, XORQ_RT1_RCA, XORQ_RT1_RCE, XORQ_RBA_RCU, XORQ_RT1_RCA, XORQ_RT1_RCE, XORQ_RBA_RCU, XORQ_RT1_RCA, XORQ_RT1_RCE, XORQ_RBE_RCU, XORQ_RDU_RCU, XORQ_RDA_RCA, XORQ_RDE_RCE)
mKeccakRound(rpState, rpStack, $0x0000000080000001, MOVQ_RBI_RCE, XORQ_RT1_RCA, XORQ_RT1_RCE, XORQ_RBA_RCU, XORQ_RT1_RCA, XORQ_RT1_RCE, XORQ_RBA_RCU, XORQ_RT1_RCA, XORQ_RT1_RCE, XORQ_RBE_RCU, XORQ_RDU_RCU, XORQ_RDA_RCA, XORQ_RDE_RCE)
mKeccakRound(rpStack, rpState, $0x8000000080008008, NOP, NOP, NOP, NOP, NOP, NOP, NOP, NOP, NOP, NOP, NOP, NOP, NOP)
// Revert the internal state to the user state
NOTQ _be(rpState)
NOTQ _bi(rpState)
NOTQ _go(rpState)
NOTQ _ki(rpState)
NOTQ _mi(rpState)
NOTQ _sa(rpState)
RET

18
vendor/golang.org/x/crypto/sha3/register.go generated vendored Normal file
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@ -0,0 +1,18 @@
// Copyright 2014 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build go1.4
package sha3
import (
"crypto"
)
func init() {
crypto.RegisterHash(crypto.SHA3_224, New224)
crypto.RegisterHash(crypto.SHA3_256, New256)
crypto.RegisterHash(crypto.SHA3_384, New384)
crypto.RegisterHash(crypto.SHA3_512, New512)
}

193
vendor/golang.org/x/crypto/sha3/sha3.go generated vendored Normal file
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@ -0,0 +1,193 @@
// Copyright 2014 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package sha3
// spongeDirection indicates the direction bytes are flowing through the sponge.
type spongeDirection int
const (
// spongeAbsorbing indicates that the sponge is absorbing input.
spongeAbsorbing spongeDirection = iota
// spongeSqueezing indicates that the sponge is being squeezed.
spongeSqueezing
)
const (
// maxRate is the maximum size of the internal buffer. SHAKE-256
// currently needs the largest buffer.
maxRate = 168
)
type state struct {
// Generic sponge components.
a [25]uint64 // main state of the hash
buf []byte // points into storage
rate int // the number of bytes of state to use
// dsbyte contains the "domain separation" bits and the first bit of
// the padding. Sections 6.1 and 6.2 of [1] separate the outputs of the
// SHA-3 and SHAKE functions by appending bitstrings to the message.
// Using a little-endian bit-ordering convention, these are "01" for SHA-3
// and "1111" for SHAKE, or 00000010b and 00001111b, respectively. Then the
// padding rule from section 5.1 is applied to pad the message to a multiple
// of the rate, which involves adding a "1" bit, zero or more "0" bits, and
// a final "1" bit. We merge the first "1" bit from the padding into dsbyte,
// giving 00000110b (0x06) and 00011111b (0x1f).
// [1] http://csrc.nist.gov/publications/drafts/fips-202/fips_202_draft.pdf
// "Draft FIPS 202: SHA-3 Standard: Permutation-Based Hash and
// Extendable-Output Functions (May 2014)"
dsbyte byte
storage storageBuf
// Specific to SHA-3 and SHAKE.
outputLen int // the default output size in bytes
state spongeDirection // whether the sponge is absorbing or squeezing
}
// BlockSize returns the rate of sponge underlying this hash function.
func (d *state) BlockSize() int { return d.rate }
// Size returns the output size of the hash function in bytes.
func (d *state) Size() int { return d.outputLen }
// Reset clears the internal state by zeroing the sponge state and
// the byte buffer, and setting Sponge.state to absorbing.
func (d *state) Reset() {
// Zero the permutation's state.
for i := range d.a {
d.a[i] = 0
}
d.state = spongeAbsorbing
d.buf = d.storage.asBytes()[:0]
}
func (d *state) clone() *state {
ret := *d
if ret.state == spongeAbsorbing {
ret.buf = ret.storage.asBytes()[:len(ret.buf)]
} else {
ret.buf = ret.storage.asBytes()[d.rate-cap(d.buf) : d.rate]
}
return &ret
}
// permute applies the KeccakF-1600 permutation. It handles
// any input-output buffering.
func (d *state) permute() {
switch d.state {
case spongeAbsorbing:
// If we're absorbing, we need to xor the input into the state
// before applying the permutation.
xorIn(d, d.buf)
d.buf = d.storage.asBytes()[:0]
keccakF1600(&d.a)
case spongeSqueezing:
// If we're squeezing, we need to apply the permutatin before
// copying more output.
keccakF1600(&d.a)
d.buf = d.storage.asBytes()[:d.rate]
copyOut(d, d.buf)
}
}
// pads appends the domain separation bits in dsbyte, applies
// the multi-bitrate 10..1 padding rule, and permutes the state.
func (d *state) padAndPermute(dsbyte byte) {
if d.buf == nil {
d.buf = d.storage.asBytes()[:0]
}
// Pad with this instance's domain-separator bits. We know that there's
// at least one byte of space in d.buf because, if it were full,
// permute would have been called to empty it. dsbyte also contains the
// first one bit for the padding. See the comment in the state struct.
d.buf = append(d.buf, dsbyte)
zerosStart := len(d.buf)
d.buf = d.storage.asBytes()[:d.rate]
for i := zerosStart; i < d.rate; i++ {
d.buf[i] = 0
}
// This adds the final one bit for the padding. Because of the way that
// bits are numbered from the LSB upwards, the final bit is the MSB of
// the last byte.
d.buf[d.rate-1] ^= 0x80
// Apply the permutation
d.permute()
d.state = spongeSqueezing
d.buf = d.storage.asBytes()[:d.rate]
copyOut(d, d.buf)
}
// Write absorbs more data into the hash's state. It produces an error
// if more data is written to the ShakeHash after writing
func (d *state) Write(p []byte) (written int, err error) {
if d.state != spongeAbsorbing {
panic("sha3: write to sponge after read")
}
if d.buf == nil {
d.buf = d.storage.asBytes()[:0]
}
written = len(p)
for len(p) > 0 {
if len(d.buf) == 0 && len(p) >= d.rate {
// The fast path; absorb a full "rate" bytes of input and apply the permutation.
xorIn(d, p[:d.rate])
p = p[d.rate:]
keccakF1600(&d.a)
} else {
// The slow path; buffer the input until we can fill the sponge, and then xor it in.
todo := d.rate - len(d.buf)
if todo > len(p) {
todo = len(p)
}
d.buf = append(d.buf, p[:todo]...)
p = p[todo:]
// If the sponge is full, apply the permutation.
if len(d.buf) == d.rate {
d.permute()
}
}
}
return
}
// Read squeezes an arbitrary number of bytes from the sponge.
func (d *state) Read(out []byte) (n int, err error) {
// If we're still absorbing, pad and apply the permutation.
if d.state == spongeAbsorbing {
d.padAndPermute(d.dsbyte)
}
n = len(out)
// Now, do the squeezing.
for len(out) > 0 {
n := copy(out, d.buf)
d.buf = d.buf[n:]
out = out[n:]
// Apply the permutation if we've squeezed the sponge dry.
if len(d.buf) == 0 {
d.permute()
}
}
return
}
// Sum applies padding to the hash state and then squeezes out the desired
// number of output bytes.
func (d *state) Sum(in []byte) []byte {
// Make a copy of the original hash so that caller can keep writing
// and summing.
dup := d.clone()
hash := make([]byte, dup.outputLen)
dup.Read(hash)
return append(in, hash...)
}

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vendor/golang.org/x/crypto/sha3/sha3_s390x.go generated vendored Normal file
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// Copyright 2017 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build !gccgo,!appengine
package sha3
// This file contains code for using the 'compute intermediate
// message digest' (KIMD) and 'compute last message digest' (KLMD)
// instructions to compute SHA-3 and SHAKE hashes on IBM Z.
import (
"hash"
"golang.org/x/sys/cpu"
)
// codes represent 7-bit KIMD/KLMD function codes as defined in
// the Principles of Operation.
type code uint64
const (
// function codes for KIMD/KLMD
sha3_224 code = 32
sha3_256 = 33
sha3_384 = 34
sha3_512 = 35
shake_128 = 36
shake_256 = 37
nopad = 0x100
)
// kimd is a wrapper for the 'compute intermediate message digest' instruction.
// src must be a multiple of the rate for the given function code.
//go:noescape
func kimd(function code, chain *[200]byte, src []byte)
// klmd is a wrapper for the 'compute last message digest' instruction.
// src padding is handled by the instruction.
//go:noescape
func klmd(function code, chain *[200]byte, dst, src []byte)
type asmState struct {
a [200]byte // 1600 bit state
buf []byte // care must be taken to ensure cap(buf) is a multiple of rate
rate int // equivalent to block size
storage [3072]byte // underlying storage for buf
outputLen int // output length if fixed, 0 if not
function code // KIMD/KLMD function code
state spongeDirection // whether the sponge is absorbing or squeezing
}
func newAsmState(function code) *asmState {
var s asmState
s.function = function
switch function {
case sha3_224:
s.rate = 144
s.outputLen = 28
case sha3_256:
s.rate = 136
s.outputLen = 32
case sha3_384:
s.rate = 104
s.outputLen = 48
case sha3_512:
s.rate = 72
s.outputLen = 64
case shake_128:
s.rate = 168
case shake_256:
s.rate = 136
default:
panic("sha3: unrecognized function code")
}
// limit s.buf size to a multiple of s.rate
s.resetBuf()
return &s
}
func (s *asmState) clone() *asmState {
c := *s
c.buf = c.storage[:len(s.buf):cap(s.buf)]
return &c
}
// copyIntoBuf copies b into buf. It will panic if there is not enough space to
// store all of b.
func (s *asmState) copyIntoBuf(b []byte) {
bufLen := len(s.buf)
s.buf = s.buf[:len(s.buf)+len(b)]
copy(s.buf[bufLen:], b)
}
// resetBuf points buf at storage, sets the length to 0 and sets cap to be a
// multiple of the rate.
func (s *asmState) resetBuf() {
max := (cap(s.storage) / s.rate) * s.rate
s.buf = s.storage[:0:max]
}
// Write (via the embedded io.Writer interface) adds more data to the running hash.
// It never returns an error.
func (s *asmState) Write(b []byte) (int, error) {
if s.state != spongeAbsorbing {
panic("sha3: write to sponge after read")
}
length := len(b)
for len(b) > 0 {
if len(s.buf) == 0 && len(b) >= cap(s.buf) {
// Hash the data directly and push any remaining bytes
// into the buffer.
remainder := len(b) % s.rate
kimd(s.function, &s.a, b[:len(b)-remainder])
if remainder != 0 {
s.copyIntoBuf(b[len(b)-remainder:])
}
return length, nil
}
if len(s.buf) == cap(s.buf) {
// flush the buffer
kimd(s.function, &s.a, s.buf)
s.buf = s.buf[:0]
}
// copy as much as we can into the buffer
n := len(b)
if len(b) > cap(s.buf)-len(s.buf) {
n = cap(s.buf) - len(s.buf)
}
s.copyIntoBuf(b[:n])
b = b[n:]
}
return length, nil
}
// Read squeezes an arbitrary number of bytes from the sponge.
func (s *asmState) Read(out []byte) (n int, err error) {
n = len(out)
// need to pad if we were absorbing
if s.state == spongeAbsorbing {
s.state = spongeSqueezing
// write hash directly into out if possible
if len(out)%s.rate == 0 {
klmd(s.function, &s.a, out, s.buf) // len(out) may be 0
s.buf = s.buf[:0]
return
}
// write hash into buffer
max := cap(s.buf)
if max > len(out) {
max = (len(out)/s.rate)*s.rate + s.rate
}
klmd(s.function, &s.a, s.buf[:max], s.buf)
s.buf = s.buf[:max]
}
for len(out) > 0 {
// flush the buffer
if len(s.buf) != 0 {
c := copy(out, s.buf)
out = out[c:]
s.buf = s.buf[c:]
continue
}
// write hash directly into out if possible
if len(out)%s.rate == 0 {
klmd(s.function|nopad, &s.a, out, nil)
return
}
// write hash into buffer
s.resetBuf()
if cap(s.buf) > len(out) {
s.buf = s.buf[:(len(out)/s.rate)*s.rate+s.rate]
}
klmd(s.function|nopad, &s.a, s.buf, nil)
}
return
}
// Sum appends the current hash to b and returns the resulting slice.
// It does not change the underlying hash state.
func (s *asmState) Sum(b []byte) []byte {
if s.outputLen == 0 {
panic("sha3: cannot call Sum on SHAKE functions")
}
// Copy the state to preserve the original.
a := s.a
// Hash the buffer. Note that we don't clear it because we
// aren't updating the state.
klmd(s.function, &a, nil, s.buf)
return append(b, a[:s.outputLen]...)
}
// Reset resets the Hash to its initial state.
func (s *asmState) Reset() {
for i := range s.a {
s.a[i] = 0
}
s.resetBuf()
s.state = spongeAbsorbing
}
// Size returns the number of bytes Sum will return.
func (s *asmState) Size() int {
return s.outputLen
}
// BlockSize returns the hash's underlying block size.
// The Write method must be able to accept any amount
// of data, but it may operate more efficiently if all writes
// are a multiple of the block size.
func (s *asmState) BlockSize() int {
return s.rate
}
// Clone returns a copy of the ShakeHash in its current state.
func (s *asmState) Clone() ShakeHash {
return s.clone()
}
// new224Asm returns an assembly implementation of SHA3-224 if available,
// otherwise it returns nil.
func new224Asm() hash.Hash {
if cpu.S390X.HasSHA3 {
return newAsmState(sha3_224)
}
return nil
}
// new256Asm returns an assembly implementation of SHA3-256 if available,
// otherwise it returns nil.
func new256Asm() hash.Hash {
if cpu.S390X.HasSHA3 {
return newAsmState(sha3_256)
}
return nil
}
// new384Asm returns an assembly implementation of SHA3-384 if available,
// otherwise it returns nil.
func new384Asm() hash.Hash {
if cpu.S390X.HasSHA3 {
return newAsmState(sha3_384)
}
return nil
}
// new512Asm returns an assembly implementation of SHA3-512 if available,
// otherwise it returns nil.
func new512Asm() hash.Hash {
if cpu.S390X.HasSHA3 {
return newAsmState(sha3_512)
}
return nil
}
// newShake128Asm returns an assembly implementation of SHAKE-128 if available,
// otherwise it returns nil.
func newShake128Asm() ShakeHash {
if cpu.S390X.HasSHA3 {
return newAsmState(shake_128)
}
return nil
}
// newShake256Asm returns an assembly implementation of SHAKE-256 if available,
// otherwise it returns nil.
func newShake256Asm() ShakeHash {
if cpu.S390X.HasSHA3 {
return newAsmState(shake_256)
}
return nil
}

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vendor/golang.org/x/crypto/sha3/sha3_s390x.s generated vendored Normal file
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// Copyright 2017 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build !gccgo,!appengine
#include "textflag.h"
// func kimd(function code, chain *[200]byte, src []byte)
TEXT ·kimd(SB), NOFRAME|NOSPLIT, $0-40
MOVD function+0(FP), R0
MOVD chain+8(FP), R1
LMG src+16(FP), R2, R3 // R2=base, R3=len
continue:
WORD $0xB93E0002 // KIMD --, R2
BVS continue // continue if interrupted
MOVD $0, R0 // reset R0 for pre-go1.8 compilers
RET
// func klmd(function code, chain *[200]byte, dst, src []byte)
TEXT ·klmd(SB), NOFRAME|NOSPLIT, $0-64
// TODO: SHAKE support
MOVD function+0(FP), R0
MOVD chain+8(FP), R1
LMG dst+16(FP), R2, R3 // R2=base, R3=len
LMG src+40(FP), R4, R5 // R4=base, R5=len
continue:
WORD $0xB93F0024 // KLMD R2, R4
BVS continue // continue if interrupted
MOVD $0, R0 // reset R0 for pre-go1.8 compilers
RET

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vendor/golang.org/x/crypto/sha3/shake.go generated vendored Normal file
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// Copyright 2014 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package sha3
// This file defines the ShakeHash interface, and provides
// functions for creating SHAKE and cSHAKE instances, as well as utility
// functions for hashing bytes to arbitrary-length output.
//
//
// SHAKE implementation is based on FIPS PUB 202 [1]
// cSHAKE implementations is based on NIST SP 800-185 [2]
//
// [1] https://nvlpubs.nist.gov/nistpubs/FIPS/NIST.FIPS.202.pdf
// [2] https://doi.org/10.6028/NIST.SP.800-185
import (
"encoding/binary"
"io"
)
// ShakeHash defines the interface to hash functions that
// support arbitrary-length output.
type ShakeHash interface {
// Write absorbs more data into the hash's state. It panics if input is
// written to it after output has been read from it.
io.Writer
// Read reads more output from the hash; reading affects the hash's
// state. (ShakeHash.Read is thus very different from Hash.Sum)
// It never returns an error.
io.Reader
// Clone returns a copy of the ShakeHash in its current state.
Clone() ShakeHash
// Reset resets the ShakeHash to its initial state.
Reset()
}
// cSHAKE specific context
type cshakeState struct {
*state // SHA-3 state context and Read/Write operations
// initBlock is the cSHAKE specific initialization set of bytes. It is initialized
// by newCShake function and stores concatenation of N followed by S, encoded
// by the method specified in 3.3 of [1].
// It is stored here in order for Reset() to be able to put context into
// initial state.
initBlock []byte
}
// Consts for configuring initial SHA-3 state
const (
dsbyteShake = 0x1f
dsbyteCShake = 0x04
rate128 = 168
rate256 = 136
)
func bytepad(input []byte, w int) []byte {
// leftEncode always returns max 9 bytes
buf := make([]byte, 0, 9+len(input)+w)
buf = append(buf, leftEncode(uint64(w))...)
buf = append(buf, input...)
padlen := w - (len(buf) % w)
return append(buf, make([]byte, padlen)...)
}
func leftEncode(value uint64) []byte {
var b [9]byte
binary.BigEndian.PutUint64(b[1:], value)
// Trim all but last leading zero bytes
i := byte(1)
for i < 8 && b[i] == 0 {
i++
}
// Prepend number of encoded bytes
b[i-1] = 9 - i
return b[i-1:]
}
func newCShake(N, S []byte, rate int, dsbyte byte) ShakeHash {
c := cshakeState{state: &state{rate: rate, dsbyte: dsbyte}}
// leftEncode returns max 9 bytes
c.initBlock = make([]byte, 0, 9*2+len(N)+len(S))
c.initBlock = append(c.initBlock, leftEncode(uint64(len(N)*8))...)
c.initBlock = append(c.initBlock, N...)
c.initBlock = append(c.initBlock, leftEncode(uint64(len(S)*8))...)
c.initBlock = append(c.initBlock, S...)
c.Write(bytepad(c.initBlock, c.rate))
return &c
}
// Reset resets the hash to initial state.
func (c *cshakeState) Reset() {
c.state.Reset()
c.Write(bytepad(c.initBlock, c.rate))
}
// Clone returns copy of a cSHAKE context within its current state.
func (c *cshakeState) Clone() ShakeHash {
b := make([]byte, len(c.initBlock))
copy(b, c.initBlock)
return &cshakeState{state: c.clone(), initBlock: b}
}
// Clone returns copy of SHAKE context within its current state.
func (c *state) Clone() ShakeHash {
return c.clone()
}
// NewShake128 creates a new SHAKE128 variable-output-length ShakeHash.
// Its generic security strength is 128 bits against all attacks if at
// least 32 bytes of its output are used.
func NewShake128() ShakeHash {
if h := newShake128Asm(); h != nil {
return h
}
return &state{rate: rate128, dsbyte: dsbyteShake}
}
// NewShake256 creates a new SHAKE256 variable-output-length ShakeHash.
// Its generic security strength is 256 bits against all attacks if
// at least 64 bytes of its output are used.
func NewShake256() ShakeHash {
if h := newShake256Asm(); h != nil {
return h
}
return &state{rate: rate256, dsbyte: dsbyteShake}
}
// NewCShake128 creates a new instance of cSHAKE128 variable-output-length ShakeHash,
// a customizable variant of SHAKE128.
// N is used to define functions based on cSHAKE, it can be empty when plain cSHAKE is
// desired. S is a customization byte string used for domain separation - two cSHAKE
// computations on same input with different S yield unrelated outputs.
// When N and S are both empty, this is equivalent to NewShake128.
func NewCShake128(N, S []byte) ShakeHash {
if len(N) == 0 && len(S) == 0 {
return NewShake128()
}
return newCShake(N, S, rate128, dsbyteCShake)
}
// NewCShake256 creates a new instance of cSHAKE256 variable-output-length ShakeHash,
// a customizable variant of SHAKE256.
// N is used to define functions based on cSHAKE, it can be empty when plain cSHAKE is
// desired. S is a customization byte string used for domain separation - two cSHAKE
// computations on same input with different S yield unrelated outputs.
// When N and S are both empty, this is equivalent to NewShake256.
func NewCShake256(N, S []byte) ShakeHash {
if len(N) == 0 && len(S) == 0 {
return NewShake256()
}
return newCShake(N, S, rate256, dsbyteCShake)
}
// ShakeSum128 writes an arbitrary-length digest of data into hash.
func ShakeSum128(hash, data []byte) {
h := NewShake128()
h.Write(data)
h.Read(hash)
}
// ShakeSum256 writes an arbitrary-length digest of data into hash.
func ShakeSum256(hash, data []byte) {
h := NewShake256()
h.Write(data)
h.Read(hash)
}

19
vendor/golang.org/x/crypto/sha3/shake_generic.go generated vendored Normal file
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// Copyright 2017 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build gccgo appengine !s390x
package sha3
// newShake128Asm returns an assembly implementation of SHAKE-128 if available,
// otherwise it returns nil.
func newShake128Asm() ShakeHash {
return nil
}
// newShake256Asm returns an assembly implementation of SHAKE-256 if available,
// otherwise it returns nil.
func newShake256Asm() ShakeHash {
return nil
}

23
vendor/golang.org/x/crypto/sha3/xor.go generated vendored Normal file
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// Copyright 2015 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build !amd64,!386,!ppc64le appengine
package sha3
// A storageBuf is an aligned array of maxRate bytes.
type storageBuf [maxRate]byte
func (b *storageBuf) asBytes() *[maxRate]byte {
return (*[maxRate]byte)(b)
}
var (
xorIn = xorInGeneric
copyOut = copyOutGeneric
xorInUnaligned = xorInGeneric
copyOutUnaligned = copyOutGeneric
)
const xorImplementationUnaligned = "generic"

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// Copyright 2015 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package sha3
import "encoding/binary"
// xorInGeneric xors the bytes in buf into the state; it
// makes no non-portable assumptions about memory layout
// or alignment.
func xorInGeneric(d *state, buf []byte) {
n := len(buf) / 8
for i := 0; i < n; i++ {
a := binary.LittleEndian.Uint64(buf)
d.a[i] ^= a
buf = buf[8:]
}
}
// copyOutGeneric copies ulint64s to a byte buffer.
func copyOutGeneric(d *state, b []byte) {
for i := 0; len(b) >= 8; i++ {
binary.LittleEndian.PutUint64(b, d.a[i])
b = b[8:]
}
}

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vendor/golang.org/x/crypto/sha3/xor_unaligned.go generated vendored Normal file
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// Copyright 2015 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build amd64 386 ppc64le
// +build !appengine
package sha3
import "unsafe"
// A storageBuf is an aligned array of maxRate bytes.
type storageBuf [maxRate / 8]uint64
func (b *storageBuf) asBytes() *[maxRate]byte {
return (*[maxRate]byte)(unsafe.Pointer(b))
}
// xorInUnaligned uses unaligned reads and writes to update d.a to contain d.a
// XOR buf.
func xorInUnaligned(d *state, buf []byte) {
n := len(buf)
bw := (*[maxRate / 8]uint64)(unsafe.Pointer(&buf[0]))[: n/8 : n/8]
if n >= 72 {
d.a[0] ^= bw[0]
d.a[1] ^= bw[1]
d.a[2] ^= bw[2]
d.a[3] ^= bw[3]
d.a[4] ^= bw[4]
d.a[5] ^= bw[5]
d.a[6] ^= bw[6]
d.a[7] ^= bw[7]
d.a[8] ^= bw[8]
}
if n >= 104 {
d.a[9] ^= bw[9]
d.a[10] ^= bw[10]
d.a[11] ^= bw[11]
d.a[12] ^= bw[12]
}
if n >= 136 {
d.a[13] ^= bw[13]
d.a[14] ^= bw[14]
d.a[15] ^= bw[15]
d.a[16] ^= bw[16]
}
if n >= 144 {
d.a[17] ^= bw[17]
}
if n >= 168 {
d.a[18] ^= bw[18]
d.a[19] ^= bw[19]
d.a[20] ^= bw[20]
}
}
func copyOutUnaligned(d *state, buf []byte) {
ab := (*[maxRate]uint8)(unsafe.Pointer(&d.a[0]))
copy(buf, ab[:])
}
var (
xorIn = xorInUnaligned
copyOut = copyOutUnaligned
)
const xorImplementationUnaligned = "unaligned"

3
vendor/golang.org/x/net/AUTHORS generated vendored Normal file
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# This source code refers to The Go Authors for copyright purposes.
# The master list of authors is in the main Go distribution,
# visible at http://tip.golang.org/AUTHORS.

3
vendor/golang.org/x/net/CONTRIBUTORS generated vendored Normal file
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# This source code was written by the Go contributors.
# The master list of contributors is in the main Go distribution,
# visible at http://tip.golang.org/CONTRIBUTORS.

27
vendor/golang.org/x/net/LICENSE generated vendored Normal file
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Copyright (c) 2009 The Go Authors. All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are
met:
* Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above
copyright notice, this list of conditions and the following disclaimer
in the documentation and/or other materials provided with the
distribution.
* Neither the name of Google Inc. nor the names of its
contributors may be used to endorse or promote products derived from
this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

22
vendor/golang.org/x/net/PATENTS generated vendored Normal file
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Additional IP Rights Grant (Patents)
"This implementation" means the copyrightable works distributed by
Google as part of the Go project.
Google hereby grants to You a perpetual, worldwide, non-exclusive,
no-charge, royalty-free, irrevocable (except as stated in this section)
patent license to make, have made, use, offer to sell, sell, import,
transfer and otherwise run, modify and propagate the contents of this
implementation of Go, where such license applies only to those patent
claims, both currently owned or controlled by Google and acquired in
the future, licensable by Google that are necessarily infringed by this
implementation of Go. This grant does not include claims that would be
infringed only as a consequence of further modification of this
implementation. If you or your agent or exclusive licensee institute or
order or agree to the institution of patent litigation against any
entity (including a cross-claim or counterclaim in a lawsuit) alleging
that this implementation of Go or any code incorporated within this
implementation of Go constitutes direct or contributory patent
infringement, or inducement of patent infringement, then any patent
rights granted to you under this License for this implementation of Go
shall terminate as of the date such litigation is filed.

168
vendor/golang.org/x/net/internal/socks/client.go generated vendored Normal file
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// Copyright 2018 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package socks
import (
"context"
"errors"
"io"
"net"
"strconv"
"time"
)
var (
noDeadline = time.Time{}
aLongTimeAgo = time.Unix(1, 0)
)
func (d *Dialer) connect(ctx context.Context, c net.Conn, address string) (_ net.Addr, ctxErr error) {
host, port, err := splitHostPort(address)
if err != nil {
return nil, err
}
if deadline, ok := ctx.Deadline(); ok && !deadline.IsZero() {
c.SetDeadline(deadline)
defer c.SetDeadline(noDeadline)
}
if ctx != context.Background() {
errCh := make(chan error, 1)
done := make(chan struct{})
defer func() {
close(done)
if ctxErr == nil {
ctxErr = <-errCh
}
}()
go func() {
select {
case <-ctx.Done():
c.SetDeadline(aLongTimeAgo)
errCh <- ctx.Err()
case <-done:
errCh <- nil
}
}()
}
b := make([]byte, 0, 6+len(host)) // the size here is just an estimate
b = append(b, Version5)
if len(d.AuthMethods) == 0 || d.Authenticate == nil {
b = append(b, 1, byte(AuthMethodNotRequired))
} else {
ams := d.AuthMethods
if len(ams) > 255 {
return nil, errors.New("too many authentication methods")
}
b = append(b, byte(len(ams)))
for _, am := range ams {
b = append(b, byte(am))
}
}
if _, ctxErr = c.Write(b); ctxErr != nil {
return
}
if _, ctxErr = io.ReadFull(c, b[:2]); ctxErr != nil {
return
}
if b[0] != Version5 {
return nil, errors.New("unexpected protocol version " + strconv.Itoa(int(b[0])))
}
am := AuthMethod(b[1])
if am == AuthMethodNoAcceptableMethods {
return nil, errors.New("no acceptable authentication methods")
}
if d.Authenticate != nil {
if ctxErr = d.Authenticate(ctx, c, am); ctxErr != nil {
return
}
}
b = b[:0]
b = append(b, Version5, byte(d.cmd), 0)
if ip := net.ParseIP(host); ip != nil {
if ip4 := ip.To4(); ip4 != nil {
b = append(b, AddrTypeIPv4)
b = append(b, ip4...)
} else if ip6 := ip.To16(); ip6 != nil {
b = append(b, AddrTypeIPv6)
b = append(b, ip6...)
} else {
return nil, errors.New("unknown address type")
}
} else {
if len(host) > 255 {
return nil, errors.New("FQDN too long")
}
b = append(b, AddrTypeFQDN)
b = append(b, byte(len(host)))
b = append(b, host...)
}
b = append(b, byte(port>>8), byte(port))
if _, ctxErr = c.Write(b); ctxErr != nil {
return
}
if _, ctxErr = io.ReadFull(c, b[:4]); ctxErr != nil {
return
}
if b[0] != Version5 {
return nil, errors.New("unexpected protocol version " + strconv.Itoa(int(b[0])))
}
if cmdErr := Reply(b[1]); cmdErr != StatusSucceeded {
return nil, errors.New("unknown error " + cmdErr.String())
}
if b[2] != 0 {
return nil, errors.New("non-zero reserved field")
}
l := 2
var a Addr
switch b[3] {
case AddrTypeIPv4:
l += net.IPv4len
a.IP = make(net.IP, net.IPv4len)
case AddrTypeIPv6:
l += net.IPv6len
a.IP = make(net.IP, net.IPv6len)
case AddrTypeFQDN:
if _, err := io.ReadFull(c, b[:1]); err != nil {
return nil, err
}
l += int(b[0])
default:
return nil, errors.New("unknown address type " + strconv.Itoa(int(b[3])))
}
if cap(b) < l {
b = make([]byte, l)
} else {
b = b[:l]
}
if _, ctxErr = io.ReadFull(c, b); ctxErr != nil {
return
}
if a.IP != nil {
copy(a.IP, b)
} else {
a.Name = string(b[:len(b)-2])
}
a.Port = int(b[len(b)-2])<<8 | int(b[len(b)-1])
return &a, nil
}
func splitHostPort(address string) (string, int, error) {
host, port, err := net.SplitHostPort(address)
if err != nil {
return "", 0, err
}
portnum, err := strconv.Atoi(port)
if err != nil {
return "", 0, err
}
if 1 > portnum || portnum > 0xffff {
return "", 0, errors.New("port number out of range " + port)
}
return host, portnum, nil
}

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vendor/golang.org/x/net/internal/socks/socks.go generated vendored Normal file
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// Copyright 2018 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// Package socks provides a SOCKS version 5 client implementation.
//
// SOCKS protocol version 5 is defined in RFC 1928.
// Username/Password authentication for SOCKS version 5 is defined in
// RFC 1929.
package socks
import (
"context"
"errors"
"io"
"net"
"strconv"
)
// A Command represents a SOCKS command.
type Command int
func (cmd Command) String() string {
switch cmd {
case CmdConnect:
return "socks connect"
case cmdBind:
return "socks bind"
default:
return "socks " + strconv.Itoa(int(cmd))
}
}
// An AuthMethod represents a SOCKS authentication method.
type AuthMethod int
// A Reply represents a SOCKS command reply code.
type Reply int
func (code Reply) String() string {
switch code {
case StatusSucceeded:
return "succeeded"
case 0x01:
return "general SOCKS server failure"
case 0x02:
return "connection not allowed by ruleset"
case 0x03:
return "network unreachable"
case 0x04:
return "host unreachable"
case 0x05:
return "connection refused"
case 0x06:
return "TTL expired"
case 0x07:
return "command not supported"
case 0x08:
return "address type not supported"
default:
return "unknown code: " + strconv.Itoa(int(code))
}
}
// Wire protocol constants.
const (
Version5 = 0x05
AddrTypeIPv4 = 0x01
AddrTypeFQDN = 0x03
AddrTypeIPv6 = 0x04
CmdConnect Command = 0x01 // establishes an active-open forward proxy connection
cmdBind Command = 0x02 // establishes a passive-open forward proxy connection
AuthMethodNotRequired AuthMethod = 0x00 // no authentication required
AuthMethodUsernamePassword AuthMethod = 0x02 // use username/password
AuthMethodNoAcceptableMethods AuthMethod = 0xff // no acceptable authentication methods
StatusSucceeded Reply = 0x00
)
// An Addr represents a SOCKS-specific address.
// Either Name or IP is used exclusively.
type Addr struct {
Name string // fully-qualified domain name
IP net.IP
Port int
}
func (a *Addr) Network() string { return "socks" }
func (a *Addr) String() string {
if a == nil {
return "<nil>"
}
port := strconv.Itoa(a.Port)
if a.IP == nil {
return net.JoinHostPort(a.Name, port)
}
return net.JoinHostPort(a.IP.String(), port)
}
// A Conn represents a forward proxy connection.
type Conn struct {
net.Conn
boundAddr net.Addr
}
// BoundAddr returns the address assigned by the proxy server for
// connecting to the command target address from the proxy server.
func (c *Conn) BoundAddr() net.Addr {
if c == nil {
return nil
}
return c.boundAddr
}
// A Dialer holds SOCKS-specific options.
type Dialer struct {
cmd Command // either CmdConnect or cmdBind
proxyNetwork string // network between a proxy server and a client
proxyAddress string // proxy server address
// ProxyDial specifies the optional dial function for
// establishing the transport connection.
ProxyDial func(context.Context, string, string) (net.Conn, error)
// AuthMethods specifies the list of request authentication
// methods.
// If empty, SOCKS client requests only AuthMethodNotRequired.
AuthMethods []AuthMethod
// Authenticate specifies the optional authentication
// function. It must be non-nil when AuthMethods is not empty.
// It must return an error when the authentication is failed.
Authenticate func(context.Context, io.ReadWriter, AuthMethod) error
}
// DialContext connects to the provided address on the provided
// network.
//
// The returned error value may be a net.OpError. When the Op field of
// net.OpError contains "socks", the Source field contains a proxy
// server address and the Addr field contains a command target
// address.
//
// See func Dial of the net package of standard library for a
// description of the network and address parameters.
func (d *Dialer) DialContext(ctx context.Context, network, address string) (net.Conn, error) {
if err := d.validateTarget(network, address); err != nil {
proxy, dst, _ := d.pathAddrs(address)
return nil, &net.OpError{Op: d.cmd.String(), Net: network, Source: proxy, Addr: dst, Err: err}
}
if ctx == nil {
proxy, dst, _ := d.pathAddrs(address)
return nil, &net.OpError{Op: d.cmd.String(), Net: network, Source: proxy, Addr: dst, Err: errors.New("nil context")}
}
var err error
var c net.Conn
if d.ProxyDial != nil {
c, err = d.ProxyDial(ctx, d.proxyNetwork, d.proxyAddress)
} else {
var dd net.Dialer
c, err = dd.DialContext(ctx, d.proxyNetwork, d.proxyAddress)
}
if err != nil {
proxy, dst, _ := d.pathAddrs(address)
return nil, &net.OpError{Op: d.cmd.String(), Net: network, Source: proxy, Addr: dst, Err: err}
}
a, err := d.connect(ctx, c, address)
if err != nil {
c.Close()
proxy, dst, _ := d.pathAddrs(address)
return nil, &net.OpError{Op: d.cmd.String(), Net: network, Source: proxy, Addr: dst, Err: err}
}
return &Conn{Conn: c, boundAddr: a}, nil
}
// DialWithConn initiates a connection from SOCKS server to the target
// network and address using the connection c that is already
// connected to the SOCKS server.
//
// It returns the connection's local address assigned by the SOCKS
// server.
func (d *Dialer) DialWithConn(ctx context.Context, c net.Conn, network, address string) (net.Addr, error) {
if err := d.validateTarget(network, address); err != nil {
proxy, dst, _ := d.pathAddrs(address)
return nil, &net.OpError{Op: d.cmd.String(), Net: network, Source: proxy, Addr: dst, Err: err}
}
if ctx == nil {
proxy, dst, _ := d.pathAddrs(address)
return nil, &net.OpError{Op: d.cmd.String(), Net: network, Source: proxy, Addr: dst, Err: errors.New("nil context")}
}
a, err := d.connect(ctx, c, address)
if err != nil {
proxy, dst, _ := d.pathAddrs(address)
return nil, &net.OpError{Op: d.cmd.String(), Net: network, Source: proxy, Addr: dst, Err: err}
}
return a, nil
}
// Dial connects to the provided address on the provided network.
//
// Unlike DialContext, it returns a raw transport connection instead
// of a forward proxy connection.
//
// Deprecated: Use DialContext or DialWithConn instead.
func (d *Dialer) Dial(network, address string) (net.Conn, error) {
if err := d.validateTarget(network, address); err != nil {
proxy, dst, _ := d.pathAddrs(address)
return nil, &net.OpError{Op: d.cmd.String(), Net: network, Source: proxy, Addr: dst, Err: err}
}
var err error
var c net.Conn
if d.ProxyDial != nil {
c, err = d.ProxyDial(context.Background(), d.proxyNetwork, d.proxyAddress)
} else {
c, err = net.Dial(d.proxyNetwork, d.proxyAddress)
}
if err != nil {
proxy, dst, _ := d.pathAddrs(address)
return nil, &net.OpError{Op: d.cmd.String(), Net: network, Source: proxy, Addr: dst, Err: err}
}
if _, err := d.DialWithConn(context.Background(), c, network, address); err != nil {
c.Close()
return nil, err
}
return c, nil
}
func (d *Dialer) validateTarget(network, address string) error {
switch network {
case "tcp", "tcp6", "tcp4":
default:
return errors.New("network not implemented")
}
switch d.cmd {
case CmdConnect, cmdBind:
default:
return errors.New("command not implemented")
}
return nil
}
func (d *Dialer) pathAddrs(address string) (proxy, dst net.Addr, err error) {
for i, s := range []string{d.proxyAddress, address} {
host, port, err := splitHostPort(s)
if err != nil {
return nil, nil, err
}
a := &Addr{Port: port}
a.IP = net.ParseIP(host)
if a.IP == nil {
a.Name = host
}
if i == 0 {
proxy = a
} else {
dst = a
}
}
return
}
// NewDialer returns a new Dialer that dials through the provided
// proxy server's network and address.
func NewDialer(network, address string) *Dialer {
return &Dialer{proxyNetwork: network, proxyAddress: address, cmd: CmdConnect}
}
const (
authUsernamePasswordVersion = 0x01
authStatusSucceeded = 0x00
)
// UsernamePassword are the credentials for the username/password
// authentication method.
type UsernamePassword struct {
Username string
Password string
}
// Authenticate authenticates a pair of username and password with the
// proxy server.
func (up *UsernamePassword) Authenticate(ctx context.Context, rw io.ReadWriter, auth AuthMethod) error {
switch auth {
case AuthMethodNotRequired:
return nil
case AuthMethodUsernamePassword:
if len(up.Username) == 0 || len(up.Username) > 255 || len(up.Password) == 0 || len(up.Password) > 255 {
return errors.New("invalid username/password")
}
b := []byte{authUsernamePasswordVersion}
b = append(b, byte(len(up.Username)))
b = append(b, up.Username...)
b = append(b, byte(len(up.Password)))
b = append(b, up.Password...)
// TODO(mikio): handle IO deadlines and cancelation if
// necessary
if _, err := rw.Write(b); err != nil {
return err
}
if _, err := io.ReadFull(rw, b[:2]); err != nil {
return err
}
if b[0] != authUsernamePasswordVersion {
return errors.New("invalid username/password version")
}
if b[1] != authStatusSucceeded {
return errors.New("username/password authentication failed")
}
return nil
}
return errors.New("unsupported authentication method " + strconv.Itoa(int(auth)))
}

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vendor/golang.org/x/net/proxy/dial.go generated vendored Normal file
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// Copyright 2019 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package proxy
import (
"context"
"net"
)
// A ContextDialer dials using a context.
type ContextDialer interface {
DialContext(ctx context.Context, network, address string) (net.Conn, error)
}
// Dial works like DialContext on net.Dialer but using a dialer returned by FromEnvironment.
//
// The passed ctx is only used for returning the Conn, not the lifetime of the Conn.
//
// Custom dialers (registered via RegisterDialerType) that do not implement ContextDialer
// can leak a goroutine for as long as it takes the underlying Dialer implementation to timeout.
//
// A Conn returned from a successful Dial after the context has been cancelled will be immediately closed.
func Dial(ctx context.Context, network, address string) (net.Conn, error) {
d := FromEnvironment()
if xd, ok := d.(ContextDialer); ok {
return xd.DialContext(ctx, network, address)
}
return dialContext(ctx, d, network, address)
}
// WARNING: this can leak a goroutine for as long as the underlying Dialer implementation takes to timeout
// A Conn returned from a successful Dial after the context has been cancelled will be immediately closed.
func dialContext(ctx context.Context, d Dialer, network, address string) (net.Conn, error) {
var (
conn net.Conn
done = make(chan struct{}, 1)
err error
)
go func() {
conn, err = d.Dial(network, address)
close(done)
if conn != nil && ctx.Err() != nil {
conn.Close()
}
}()
select {
case <-ctx.Done():
err = ctx.Err()
case <-done:
}
return conn, err
}

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vendor/golang.org/x/net/proxy/direct.go generated vendored Normal file
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// Copyright 2011 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package proxy
import (
"context"
"net"
)
type direct struct{}
// Direct implements Dialer by making network connections directly using net.Dial or net.DialContext.
var Direct = direct{}
var (
_ Dialer = Direct
_ ContextDialer = Direct
)
// Dial directly invokes net.Dial with the supplied parameters.
func (direct) Dial(network, addr string) (net.Conn, error) {
return net.Dial(network, addr)
}
// DialContext instantiates a net.Dialer and invokes its DialContext receiver with the supplied parameters.
func (direct) DialContext(ctx context.Context, network, addr string) (net.Conn, error) {
var d net.Dialer
return d.DialContext(ctx, network, addr)
}

155
vendor/golang.org/x/net/proxy/per_host.go generated vendored Normal file
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// Copyright 2011 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package proxy
import (
"context"
"net"
"strings"
)
// A PerHost directs connections to a default Dialer unless the host name
// requested matches one of a number of exceptions.
type PerHost struct {
def, bypass Dialer
bypassNetworks []*net.IPNet
bypassIPs []net.IP
bypassZones []string
bypassHosts []string
}
// NewPerHost returns a PerHost Dialer that directs connections to either
// defaultDialer or bypass, depending on whether the connection matches one of
// the configured rules.
func NewPerHost(defaultDialer, bypass Dialer) *PerHost {
return &PerHost{
def: defaultDialer,
bypass: bypass,
}
}
// Dial connects to the address addr on the given network through either
// defaultDialer or bypass.
func (p *PerHost) Dial(network, addr string) (c net.Conn, err error) {
host, _, err := net.SplitHostPort(addr)
if err != nil {
return nil, err
}
return p.dialerForRequest(host).Dial(network, addr)
}
// DialContext connects to the address addr on the given network through either
// defaultDialer or bypass.
func (p *PerHost) DialContext(ctx context.Context, network, addr string) (c net.Conn, err error) {
host, _, err := net.SplitHostPort(addr)
if err != nil {
return nil, err
}
d := p.dialerForRequest(host)
if x, ok := d.(ContextDialer); ok {
return x.DialContext(ctx, network, addr)
}
return dialContext(ctx, d, network, addr)
}
func (p *PerHost) dialerForRequest(host string) Dialer {
if ip := net.ParseIP(host); ip != nil {
for _, net := range p.bypassNetworks {
if net.Contains(ip) {
return p.bypass
}
}
for _, bypassIP := range p.bypassIPs {
if bypassIP.Equal(ip) {
return p.bypass
}
}
return p.def
}
for _, zone := range p.bypassZones {
if strings.HasSuffix(host, zone) {
return p.bypass
}
if host == zone[1:] {
// For a zone ".example.com", we match "example.com"
// too.
return p.bypass
}
}
for _, bypassHost := range p.bypassHosts {
if bypassHost == host {
return p.bypass
}
}
return p.def
}
// AddFromString parses a string that contains comma-separated values
// specifying hosts that should use the bypass proxy. Each value is either an
// IP address, a CIDR range, a zone (*.example.com) or a host name
// (localhost). A best effort is made to parse the string and errors are
// ignored.
func (p *PerHost) AddFromString(s string) {
hosts := strings.Split(s, ",")
for _, host := range hosts {
host = strings.TrimSpace(host)
if len(host) == 0 {
continue
}
if strings.Contains(host, "/") {
// We assume that it's a CIDR address like 127.0.0.0/8
if _, net, err := net.ParseCIDR(host); err == nil {
p.AddNetwork(net)
}
continue
}
if ip := net.ParseIP(host); ip != nil {
p.AddIP(ip)
continue
}
if strings.HasPrefix(host, "*.") {
p.AddZone(host[1:])
continue
}
p.AddHost(host)
}
}
// AddIP specifies an IP address that will use the bypass proxy. Note that
// this will only take effect if a literal IP address is dialed. A connection
// to a named host will never match an IP.
func (p *PerHost) AddIP(ip net.IP) {
p.bypassIPs = append(p.bypassIPs, ip)
}
// AddNetwork specifies an IP range that will use the bypass proxy. Note that
// this will only take effect if a literal IP address is dialed. A connection
// to a named host will never match.
func (p *PerHost) AddNetwork(net *net.IPNet) {
p.bypassNetworks = append(p.bypassNetworks, net)
}
// AddZone specifies a DNS suffix that will use the bypass proxy. A zone of
// "example.com" matches "example.com" and all of its subdomains.
func (p *PerHost) AddZone(zone string) {
if strings.HasSuffix(zone, ".") {
zone = zone[:len(zone)-1]
}
if !strings.HasPrefix(zone, ".") {
zone = "." + zone
}
p.bypassZones = append(p.bypassZones, zone)
}
// AddHost specifies a host name that will use the bypass proxy.
func (p *PerHost) AddHost(host string) {
if strings.HasSuffix(host, ".") {
host = host[:len(host)-1]
}
p.bypassHosts = append(p.bypassHosts, host)
}

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// Copyright 2011 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// Package proxy provides support for a variety of protocols to proxy network
// data.
package proxy // import "golang.org/x/net/proxy"
import (
"errors"
"net"
"net/url"
"os"
"sync"
)
// A Dialer is a means to establish a connection.
// Custom dialers should also implement ContextDialer.
type Dialer interface {
// Dial connects to the given address via the proxy.
Dial(network, addr string) (c net.Conn, err error)
}
// Auth contains authentication parameters that specific Dialers may require.
type Auth struct {
User, Password string
}
// FromEnvironment returns the dialer specified by the proxy-related
// variables in the environment and makes underlying connections
// directly.
func FromEnvironment() Dialer {
return FromEnvironmentUsing(Direct)
}
// FromEnvironmentUsing returns the dialer specify by the proxy-related
// variables in the environment and makes underlying connections
// using the provided forwarding Dialer (for instance, a *net.Dialer
// with desired configuration).
func FromEnvironmentUsing(forward Dialer) Dialer {
allProxy := allProxyEnv.Get()
if len(allProxy) == 0 {
return forward
}
proxyURL, err := url.Parse(allProxy)
if err != nil {
return forward
}
proxy, err := FromURL(proxyURL, forward)
if err != nil {
return forward
}
noProxy := noProxyEnv.Get()
if len(noProxy) == 0 {
return proxy
}
perHost := NewPerHost(proxy, forward)
perHost.AddFromString(noProxy)
return perHost
}
// proxySchemes is a map from URL schemes to a function that creates a Dialer
// from a URL with such a scheme.
var proxySchemes map[string]func(*url.URL, Dialer) (Dialer, error)
// RegisterDialerType takes a URL scheme and a function to generate Dialers from
// a URL with that scheme and a forwarding Dialer. Registered schemes are used
// by FromURL.
func RegisterDialerType(scheme string, f func(*url.URL, Dialer) (Dialer, error)) {
if proxySchemes == nil {
proxySchemes = make(map[string]func(*url.URL, Dialer) (Dialer, error))
}
proxySchemes[scheme] = f
}
// FromURL returns a Dialer given a URL specification and an underlying
// Dialer for it to make network requests.
func FromURL(u *url.URL, forward Dialer) (Dialer, error) {
var auth *Auth
if u.User != nil {
auth = new(Auth)
auth.User = u.User.Username()
if p, ok := u.User.Password(); ok {
auth.Password = p
}
}
switch u.Scheme {
case "socks5", "socks5h":
addr := u.Hostname()
port := u.Port()
if port == "" {
port = "1080"
}
return SOCKS5("tcp", net.JoinHostPort(addr, port), auth, forward)
}
// If the scheme doesn't match any of the built-in schemes, see if it
// was registered by another package.
if proxySchemes != nil {
if f, ok := proxySchemes[u.Scheme]; ok {
return f(u, forward)
}
}
return nil, errors.New("proxy: unknown scheme: " + u.Scheme)
}
var (
allProxyEnv = &envOnce{
names: []string{"ALL_PROXY", "all_proxy"},
}
noProxyEnv = &envOnce{
names: []string{"NO_PROXY", "no_proxy"},
}
)
// envOnce looks up an environment variable (optionally by multiple
// names) once. It mitigates expensive lookups on some platforms
// (e.g. Windows).
// (Borrowed from net/http/transport.go)
type envOnce struct {
names []string
once sync.Once
val string
}
func (e *envOnce) Get() string {
e.once.Do(e.init)
return e.val
}
func (e *envOnce) init() {
for _, n := range e.names {
e.val = os.Getenv(n)
if e.val != "" {
return
}
}
}
// reset is used by tests
func (e *envOnce) reset() {
e.once = sync.Once{}
e.val = ""
}

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vendor/golang.org/x/net/proxy/socks5.go generated vendored Normal file
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// Copyright 2011 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package proxy
import (
"context"
"net"
"golang.org/x/net/internal/socks"
)
// SOCKS5 returns a Dialer that makes SOCKSv5 connections to the given
// address with an optional username and password.
// See RFC 1928 and RFC 1929.
func SOCKS5(network, address string, auth *Auth, forward Dialer) (Dialer, error) {
d := socks.NewDialer(network, address)
if forward != nil {
if f, ok := forward.(ContextDialer); ok {
d.ProxyDial = func(ctx context.Context, network string, address string) (net.Conn, error) {
return f.DialContext(ctx, network, address)
}
} else {
d.ProxyDial = func(ctx context.Context, network string, address string) (net.Conn, error) {
return dialContext(ctx, forward, network, address)
}
}
}
if auth != nil {
up := socks.UsernamePassword{
Username: auth.User,
Password: auth.Password,
}
d.AuthMethods = []socks.AuthMethod{
socks.AuthMethodNotRequired,
socks.AuthMethodUsernamePassword,
}
d.Authenticate = up.Authenticate
}
return d, nil
}

3
vendor/golang.org/x/sys/AUTHORS generated vendored Normal file
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# This source code refers to The Go Authors for copyright purposes.
# The master list of authors is in the main Go distribution,
# visible at http://tip.golang.org/AUTHORS.

3
vendor/golang.org/x/sys/CONTRIBUTORS generated vendored Normal file
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@ -0,0 +1,3 @@
# This source code was written by the Go contributors.
# The master list of contributors is in the main Go distribution,
# visible at http://tip.golang.org/CONTRIBUTORS.

27
vendor/golang.org/x/sys/LICENSE generated vendored Normal file
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Copyright (c) 2009 The Go Authors. All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are
met:
* Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above
copyright notice, this list of conditions and the following disclaimer
in the documentation and/or other materials provided with the
distribution.
* Neither the name of Google Inc. nor the names of its
contributors may be used to endorse or promote products derived from
this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

22
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Additional IP Rights Grant (Patents)
"This implementation" means the copyrightable works distributed by
Google as part of the Go project.
Google hereby grants to You a perpetual, worldwide, non-exclusive,
no-charge, royalty-free, irrevocable (except as stated in this section)
patent license to make, have made, use, offer to sell, sell, import,
transfer and otherwise run, modify and propagate the contents of this
implementation of Go, where such license applies only to those patent
claims, both currently owned or controlled by Google and acquired in
the future, licensable by Google that are necessarily infringed by this
implementation of Go. This grant does not include claims that would be
infringed only as a consequence of further modification of this
implementation. If you or your agent or exclusive licensee institute or
order or agree to the institution of patent litigation against any
entity (including a cross-claim or counterclaim in a lawsuit) alleging
that this implementation of Go or any code incorporated within this
implementation of Go constitutes direct or contributory patent
infringement, or inducement of patent infringement, then any patent
rights granted to you under this License for this implementation of Go
shall terminate as of the date such litigation is filed.

17
vendor/golang.org/x/sys/cpu/asm_aix_ppc64.s generated vendored Normal file
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// Copyright 2018 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build gc
#include "textflag.h"
//
// System calls for ppc64, AIX are implemented in runtime/syscall_aix.go
//
TEXT ·syscall6(SB),NOSPLIT,$0-88
JMP syscall·syscall6(SB)
TEXT ·rawSyscall6(SB),NOSPLIT,$0-88
JMP syscall·rawSyscall6(SB)

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// Copyright 2019 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package cpu
import (
"runtime"
)
// byteOrder is a subset of encoding/binary.ByteOrder.
type byteOrder interface {
Uint32([]byte) uint32
Uint64([]byte) uint64
}
type littleEndian struct{}
type bigEndian struct{}
func (littleEndian) Uint32(b []byte) uint32 {
_ = b[3] // bounds check hint to compiler; see golang.org/issue/14808
return uint32(b[0]) | uint32(b[1])<<8 | uint32(b[2])<<16 | uint32(b[3])<<24
}
func (littleEndian) Uint64(b []byte) uint64 {
_ = b[7] // bounds check hint to compiler; see golang.org/issue/14808
return uint64(b[0]) | uint64(b[1])<<8 | uint64(b[2])<<16 | uint64(b[3])<<24 |
uint64(b[4])<<32 | uint64(b[5])<<40 | uint64(b[6])<<48 | uint64(b[7])<<56
}
func (bigEndian) Uint32(b []byte) uint32 {
_ = b[3] // bounds check hint to compiler; see golang.org/issue/14808
return uint32(b[3]) | uint32(b[2])<<8 | uint32(b[1])<<16 | uint32(b[0])<<24
}
func (bigEndian) Uint64(b []byte) uint64 {
_ = b[7] // bounds check hint to compiler; see golang.org/issue/14808
return uint64(b[7]) | uint64(b[6])<<8 | uint64(b[5])<<16 | uint64(b[4])<<24 |
uint64(b[3])<<32 | uint64(b[2])<<40 | uint64(b[1])<<48 | uint64(b[0])<<56
}
// hostByteOrder returns littleEndian on little-endian machines and
// bigEndian on big-endian machines.
func hostByteOrder() byteOrder {
switch runtime.GOARCH {
case "386", "amd64", "amd64p32",
"alpha",
"arm", "arm64",
"mipsle", "mips64le", "mips64p32le",
"nios2",
"ppc64le",
"riscv", "riscv64",
"sh":
return littleEndian{}
case "armbe", "arm64be",
"m68k",
"mips", "mips64", "mips64p32",
"ppc", "ppc64",
"s390", "s390x",
"shbe",
"sparc", "sparc64":
return bigEndian{}
}
panic("unknown architecture")
}

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vendor/golang.org/x/sys/cpu/cpu.go generated vendored Normal file
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// Copyright 2018 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// Package cpu implements processor feature detection for
// various CPU architectures.
package cpu
import (
"os"
"strings"
)
// Initialized reports whether the CPU features were initialized.
//
// For some GOOS/GOARCH combinations initialization of the CPU features depends
// on reading an operating specific file, e.g. /proc/self/auxv on linux/arm
// Initialized will report false if reading the file fails.
var Initialized bool
// CacheLinePad is used to pad structs to avoid false sharing.
type CacheLinePad struct{ _ [cacheLineSize]byte }
// X86 contains the supported CPU features of the
// current X86/AMD64 platform. If the current platform
// is not X86/AMD64 then all feature flags are false.
//
// X86 is padded to avoid false sharing. Further the HasAVX
// and HasAVX2 are only set if the OS supports XMM and YMM
// registers in addition to the CPUID feature bit being set.
var X86 struct {
_ CacheLinePad
HasAES bool // AES hardware implementation (AES NI)
HasADX bool // Multi-precision add-carry instruction extensions
HasAVX bool // Advanced vector extension
HasAVX2 bool // Advanced vector extension 2
HasAVX512 bool // Advanced vector extension 512
HasAVX512F bool // Advanced vector extension 512 Foundation Instructions
HasAVX512CD bool // Advanced vector extension 512 Conflict Detection Instructions
HasAVX512ER bool // Advanced vector extension 512 Exponential and Reciprocal Instructions
HasAVX512PF bool // Advanced vector extension 512 Prefetch Instructions Instructions
HasAVX512VL bool // Advanced vector extension 512 Vector Length Extensions
HasAVX512BW bool // Advanced vector extension 512 Byte and Word Instructions
HasAVX512DQ bool // Advanced vector extension 512 Doubleword and Quadword Instructions
HasAVX512IFMA bool // Advanced vector extension 512 Integer Fused Multiply Add
HasAVX512VBMI bool // Advanced vector extension 512 Vector Byte Manipulation Instructions
HasAVX5124VNNIW bool // Advanced vector extension 512 Vector Neural Network Instructions Word variable precision
HasAVX5124FMAPS bool // Advanced vector extension 512 Fused Multiply Accumulation Packed Single precision
HasAVX512VPOPCNTDQ bool // Advanced vector extension 512 Double and quad word population count instructions
HasAVX512VPCLMULQDQ bool // Advanced vector extension 512 Vector carry-less multiply operations
HasAVX512VNNI bool // Advanced vector extension 512 Vector Neural Network Instructions
HasAVX512GFNI bool // Advanced vector extension 512 Galois field New Instructions
HasAVX512VAES bool // Advanced vector extension 512 Vector AES instructions
HasAVX512VBMI2 bool // Advanced vector extension 512 Vector Byte Manipulation Instructions 2
HasAVX512BITALG bool // Advanced vector extension 512 Bit Algorithms
HasAVX512BF16 bool // Advanced vector extension 512 BFloat16 Instructions
HasBMI1 bool // Bit manipulation instruction set 1
HasBMI2 bool // Bit manipulation instruction set 2
HasERMS bool // Enhanced REP for MOVSB and STOSB
HasFMA bool // Fused-multiply-add instructions
HasOSXSAVE bool // OS supports XSAVE/XRESTOR for saving/restoring XMM registers.
HasPCLMULQDQ bool // PCLMULQDQ instruction - most often used for AES-GCM
HasPOPCNT bool // Hamming weight instruction POPCNT.
HasRDRAND bool // RDRAND instruction (on-chip random number generator)
HasRDSEED bool // RDSEED instruction (on-chip random number generator)
HasSSE2 bool // Streaming SIMD extension 2 (always available on amd64)
HasSSE3 bool // Streaming SIMD extension 3
HasSSSE3 bool // Supplemental streaming SIMD extension 3
HasSSE41 bool // Streaming SIMD extension 4 and 4.1
HasSSE42 bool // Streaming SIMD extension 4 and 4.2
_ CacheLinePad
}
// ARM64 contains the supported CPU features of the
// current ARMv8(aarch64) platform. If the current platform
// is not arm64 then all feature flags are false.
var ARM64 struct {
_ CacheLinePad
HasFP bool // Floating-point instruction set (always available)
HasASIMD bool // Advanced SIMD (always available)
HasEVTSTRM bool // Event stream support
HasAES bool // AES hardware implementation
HasPMULL bool // Polynomial multiplication instruction set
HasSHA1 bool // SHA1 hardware implementation
HasSHA2 bool // SHA2 hardware implementation
HasCRC32 bool // CRC32 hardware implementation
HasATOMICS bool // Atomic memory operation instruction set
HasFPHP bool // Half precision floating-point instruction set
HasASIMDHP bool // Advanced SIMD half precision instruction set
HasCPUID bool // CPUID identification scheme registers
HasASIMDRDM bool // Rounding double multiply add/subtract instruction set
HasJSCVT bool // Javascript conversion from floating-point to integer
HasFCMA bool // Floating-point multiplication and addition of complex numbers
HasLRCPC bool // Release Consistent processor consistent support
HasDCPOP bool // Persistent memory support
HasSHA3 bool // SHA3 hardware implementation
HasSM3 bool // SM3 hardware implementation
HasSM4 bool // SM4 hardware implementation
HasASIMDDP bool // Advanced SIMD double precision instruction set
HasSHA512 bool // SHA512 hardware implementation
HasSVE bool // Scalable Vector Extensions
HasASIMDFHM bool // Advanced SIMD multiplication FP16 to FP32
_ CacheLinePad
}
// ARM contains the supported CPU features of the current ARM (32-bit) platform.
// All feature flags are false if:
// 1. the current platform is not arm, or
// 2. the current operating system is not Linux.
var ARM struct {
_ CacheLinePad
HasSWP bool // SWP instruction support
HasHALF bool // Half-word load and store support
HasTHUMB bool // ARM Thumb instruction set
Has26BIT bool // Address space limited to 26-bits
HasFASTMUL bool // 32-bit operand, 64-bit result multiplication support
HasFPA bool // Floating point arithmetic support
HasVFP bool // Vector floating point support
HasEDSP bool // DSP Extensions support
HasJAVA bool // Java instruction set
HasIWMMXT bool // Intel Wireless MMX technology support
HasCRUNCH bool // MaverickCrunch context switching and handling
HasTHUMBEE bool // Thumb EE instruction set
HasNEON bool // NEON instruction set
HasVFPv3 bool // Vector floating point version 3 support
HasVFPv3D16 bool // Vector floating point version 3 D8-D15
HasTLS bool // Thread local storage support
HasVFPv4 bool // Vector floating point version 4 support
HasIDIVA bool // Integer divide instruction support in ARM mode
HasIDIVT bool // Integer divide instruction support in Thumb mode
HasVFPD32 bool // Vector floating point version 3 D15-D31
HasLPAE bool // Large Physical Address Extensions
HasEVTSTRM bool // Event stream support
HasAES bool // AES hardware implementation
HasPMULL bool // Polynomial multiplication instruction set
HasSHA1 bool // SHA1 hardware implementation
HasSHA2 bool // SHA2 hardware implementation
HasCRC32 bool // CRC32 hardware implementation
_ CacheLinePad
}
// MIPS64X contains the supported CPU features of the current mips64/mips64le
// platforms. If the current platform is not mips64/mips64le or the current
// operating system is not Linux then all feature flags are false.
var MIPS64X struct {
_ CacheLinePad
HasMSA bool // MIPS SIMD architecture
_ CacheLinePad
}
// PPC64 contains the supported CPU features of the current ppc64/ppc64le platforms.
// If the current platform is not ppc64/ppc64le then all feature flags are false.
//
// For ppc64/ppc64le, it is safe to check only for ISA level starting on ISA v3.00,
// since there are no optional categories. There are some exceptions that also
// require kernel support to work (DARN, SCV), so there are feature bits for
// those as well. The minimum processor requirement is POWER8 (ISA 2.07).
// The struct is padded to avoid false sharing.
var PPC64 struct {
_ CacheLinePad
HasDARN bool // Hardware random number generator (requires kernel enablement)
HasSCV bool // Syscall vectored (requires kernel enablement)
IsPOWER8 bool // ISA v2.07 (POWER8)
IsPOWER9 bool // ISA v3.00 (POWER9)
_ CacheLinePad
}
// S390X contains the supported CPU features of the current IBM Z
// (s390x) platform. If the current platform is not IBM Z then all
// feature flags are false.
//
// S390X is padded to avoid false sharing. Further HasVX is only set
// if the OS supports vector registers in addition to the STFLE
// feature bit being set.
var S390X struct {
_ CacheLinePad
HasZARCH bool // z/Architecture mode is active [mandatory]
HasSTFLE bool // store facility list extended
HasLDISP bool // long (20-bit) displacements
HasEIMM bool // 32-bit immediates
HasDFP bool // decimal floating point
HasETF3EH bool // ETF-3 enhanced
HasMSA bool // message security assist (CPACF)
HasAES bool // KM-AES{128,192,256} functions
HasAESCBC bool // KMC-AES{128,192,256} functions
HasAESCTR bool // KMCTR-AES{128,192,256} functions
HasAESGCM bool // KMA-GCM-AES{128,192,256} functions
HasGHASH bool // KIMD-GHASH function
HasSHA1 bool // K{I,L}MD-SHA-1 functions
HasSHA256 bool // K{I,L}MD-SHA-256 functions
HasSHA512 bool // K{I,L}MD-SHA-512 functions
HasSHA3 bool // K{I,L}MD-SHA3-{224,256,384,512} and K{I,L}MD-SHAKE-{128,256} functions
HasVX bool // vector facility
HasVXE bool // vector-enhancements facility 1
_ CacheLinePad
}
func init() {
archInit()
initOptions()
processOptions()
}
// options contains the cpu debug options that can be used in GODEBUG.
// Options are arch dependent and are added by the arch specific initOptions functions.
// Features that are mandatory for the specific GOARCH should have the Required field set
// (e.g. SSE2 on amd64).
var options []option
// Option names should be lower case. e.g. avx instead of AVX.
type option struct {
Name string
Feature *bool
Specified bool // whether feature value was specified in GODEBUG
Enable bool // whether feature should be enabled
Required bool // whether feature is mandatory and can not be disabled
}
func processOptions() {
env := os.Getenv("GODEBUG")
field:
for env != "" {
field := ""
i := strings.IndexByte(env, ',')
if i < 0 {
field, env = env, ""
} else {
field, env = env[:i], env[i+1:]
}
if len(field) < 4 || field[:4] != "cpu." {
continue
}
i = strings.IndexByte(field, '=')
if i < 0 {
print("GODEBUG sys/cpu: no value specified for \"", field, "\"\n")
continue
}
key, value := field[4:i], field[i+1:] // e.g. "SSE2", "on"
var enable bool
switch value {
case "on":
enable = true
case "off":
enable = false
default:
print("GODEBUG sys/cpu: value \"", value, "\" not supported for cpu option \"", key, "\"\n")
continue field
}
if key == "all" {
for i := range options {
options[i].Specified = true
options[i].Enable = enable || options[i].Required
}
continue field
}
for i := range options {
if options[i].Name == key {
options[i].Specified = true
options[i].Enable = enable
continue field
}
}
print("GODEBUG sys/cpu: unknown cpu feature \"", key, "\"\n")
}
for _, o := range options {
if !o.Specified {
continue
}
if o.Enable && !*o.Feature {
print("GODEBUG sys/cpu: can not enable \"", o.Name, "\", missing CPU support\n")
continue
}
if !o.Enable && o.Required {
print("GODEBUG sys/cpu: can not disable \"", o.Name, "\", required CPU feature\n")
continue
}
*o.Feature = o.Enable
}
}

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// Copyright 2019 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build aix
package cpu
const (
// getsystemcfg constants
_SC_IMPL = 2
_IMPL_POWER8 = 0x10000
_IMPL_POWER9 = 0x20000
)
func archInit() {
impl := getsystemcfg(_SC_IMPL)
if impl&_IMPL_POWER8 != 0 {
PPC64.IsPOWER8 = true
}
if impl&_IMPL_POWER9 != 0 {
PPC64.IsPOWER9 = true
}
Initialized = true
}
func getsystemcfg(label int) (n uint64) {
r0, _ := callgetsystemcfg(label)
n = uint64(r0)
return
}

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// Copyright 2018 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package cpu
const cacheLineSize = 32
// HWCAP/HWCAP2 bits.
// These are specific to Linux.
const (
hwcap_SWP = 1 << 0
hwcap_HALF = 1 << 1
hwcap_THUMB = 1 << 2
hwcap_26BIT = 1 << 3
hwcap_FAST_MULT = 1 << 4
hwcap_FPA = 1 << 5
hwcap_VFP = 1 << 6
hwcap_EDSP = 1 << 7
hwcap_JAVA = 1 << 8
hwcap_IWMMXT = 1 << 9
hwcap_CRUNCH = 1 << 10
hwcap_THUMBEE = 1 << 11
hwcap_NEON = 1 << 12
hwcap_VFPv3 = 1 << 13
hwcap_VFPv3D16 = 1 << 14
hwcap_TLS = 1 << 15
hwcap_VFPv4 = 1 << 16
hwcap_IDIVA = 1 << 17
hwcap_IDIVT = 1 << 18
hwcap_VFPD32 = 1 << 19
hwcap_LPAE = 1 << 20
hwcap_EVTSTRM = 1 << 21
hwcap2_AES = 1 << 0
hwcap2_PMULL = 1 << 1
hwcap2_SHA1 = 1 << 2
hwcap2_SHA2 = 1 << 3
hwcap2_CRC32 = 1 << 4
)
func initOptions() {
options = []option{
{Name: "pmull", Feature: &ARM.HasPMULL},
{Name: "sha1", Feature: &ARM.HasSHA1},
{Name: "sha2", Feature: &ARM.HasSHA2},
{Name: "swp", Feature: &ARM.HasSWP},
{Name: "thumb", Feature: &ARM.HasTHUMB},
{Name: "thumbee", Feature: &ARM.HasTHUMBEE},
{Name: "tls", Feature: &ARM.HasTLS},
{Name: "vfp", Feature: &ARM.HasVFP},
{Name: "vfpd32", Feature: &ARM.HasVFPD32},
{Name: "vfpv3", Feature: &ARM.HasVFPv3},
{Name: "vfpv3d16", Feature: &ARM.HasVFPv3D16},
{Name: "vfpv4", Feature: &ARM.HasVFPv4},
{Name: "half", Feature: &ARM.HasHALF},
{Name: "26bit", Feature: &ARM.Has26BIT},
{Name: "fastmul", Feature: &ARM.HasFASTMUL},
{Name: "fpa", Feature: &ARM.HasFPA},
{Name: "edsp", Feature: &ARM.HasEDSP},
{Name: "java", Feature: &ARM.HasJAVA},
{Name: "iwmmxt", Feature: &ARM.HasIWMMXT},
{Name: "crunch", Feature: &ARM.HasCRUNCH},
{Name: "neon", Feature: &ARM.HasNEON},
{Name: "idivt", Feature: &ARM.HasIDIVT},
{Name: "idiva", Feature: &ARM.HasIDIVA},
{Name: "lpae", Feature: &ARM.HasLPAE},
{Name: "evtstrm", Feature: &ARM.HasEVTSTRM},
{Name: "aes", Feature: &ARM.HasAES},
{Name: "crc32", Feature: &ARM.HasCRC32},
}
}

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// Copyright 2019 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package cpu
import "runtime"
const cacheLineSize = 64
func initOptions() {
options = []option{
{Name: "fp", Feature: &ARM64.HasFP},
{Name: "asimd", Feature: &ARM64.HasASIMD},
{Name: "evstrm", Feature: &ARM64.HasEVTSTRM},
{Name: "aes", Feature: &ARM64.HasAES},
{Name: "fphp", Feature: &ARM64.HasFPHP},
{Name: "jscvt", Feature: &ARM64.HasJSCVT},
{Name: "lrcpc", Feature: &ARM64.HasLRCPC},
{Name: "pmull", Feature: &ARM64.HasPMULL},
{Name: "sha1", Feature: &ARM64.HasSHA1},
{Name: "sha2", Feature: &ARM64.HasSHA2},
{Name: "sha3", Feature: &ARM64.HasSHA3},
{Name: "sha512", Feature: &ARM64.HasSHA512},
{Name: "sm3", Feature: &ARM64.HasSM3},
{Name: "sm4", Feature: &ARM64.HasSM4},
{Name: "sve", Feature: &ARM64.HasSVE},
{Name: "crc32", Feature: &ARM64.HasCRC32},
{Name: "atomics", Feature: &ARM64.HasATOMICS},
{Name: "asimdhp", Feature: &ARM64.HasASIMDHP},
{Name: "cpuid", Feature: &ARM64.HasCPUID},
{Name: "asimrdm", Feature: &ARM64.HasASIMDRDM},
{Name: "fcma", Feature: &ARM64.HasFCMA},
{Name: "dcpop", Feature: &ARM64.HasDCPOP},
{Name: "asimddp", Feature: &ARM64.HasASIMDDP},
{Name: "asimdfhm", Feature: &ARM64.HasASIMDFHM},
}
}
func archInit() {
switch runtime.GOOS {
case "freebsd":
readARM64Registers()
case "linux", "netbsd":
doinit()
default:
// Most platforms don't seem to allow reading these registers.
//
// OpenBSD:
// See https://golang.org/issue/31746
setMinimalFeatures()
}
}
// setMinimalFeatures fakes the minimal ARM64 features expected by
// TestARM64minimalFeatures.
func setMinimalFeatures() {
ARM64.HasASIMD = true
ARM64.HasFP = true
}
func readARM64Registers() {
Initialized = true
parseARM64SystemRegisters(getisar0(), getisar1(), getpfr0())
}
func parseARM64SystemRegisters(isar0, isar1, pfr0 uint64) {
// ID_AA64ISAR0_EL1
switch extractBits(isar0, 4, 7) {
case 1:
ARM64.HasAES = true
case 2:
ARM64.HasAES = true
ARM64.HasPMULL = true
}
switch extractBits(isar0, 8, 11) {
case 1:
ARM64.HasSHA1 = true
}
switch extractBits(isar0, 12, 15) {
case 1:
ARM64.HasSHA2 = true
case 2:
ARM64.HasSHA2 = true
ARM64.HasSHA512 = true
}
switch extractBits(isar0, 16, 19) {
case 1:
ARM64.HasCRC32 = true
}
switch extractBits(isar0, 20, 23) {
case 2:
ARM64.HasATOMICS = true
}
switch extractBits(isar0, 28, 31) {
case 1:
ARM64.HasASIMDRDM = true
}
switch extractBits(isar0, 32, 35) {
case 1:
ARM64.HasSHA3 = true
}
switch extractBits(isar0, 36, 39) {
case 1:
ARM64.HasSM3 = true
}
switch extractBits(isar0, 40, 43) {
case 1:
ARM64.HasSM4 = true
}
switch extractBits(isar0, 44, 47) {
case 1:
ARM64.HasASIMDDP = true
}
// ID_AA64ISAR1_EL1
switch extractBits(isar1, 0, 3) {
case 1:
ARM64.HasDCPOP = true
}
switch extractBits(isar1, 12, 15) {
case 1:
ARM64.HasJSCVT = true
}
switch extractBits(isar1, 16, 19) {
case 1:
ARM64.HasFCMA = true
}
switch extractBits(isar1, 20, 23) {
case 1:
ARM64.HasLRCPC = true
}
// ID_AA64PFR0_EL1
switch extractBits(pfr0, 16, 19) {
case 0:
ARM64.HasFP = true
case 1:
ARM64.HasFP = true
ARM64.HasFPHP = true
}
switch extractBits(pfr0, 20, 23) {
case 0:
ARM64.HasASIMD = true
case 1:
ARM64.HasASIMD = true
ARM64.HasASIMDHP = true
}
switch extractBits(pfr0, 32, 35) {
case 1:
ARM64.HasSVE = true
}
}
func extractBits(data uint64, start, end uint) uint {
return (uint)(data>>start) & ((1 << (end - start + 1)) - 1)
}

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// Copyright 2019 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build gc
#include "textflag.h"
// func getisar0() uint64
TEXT ·getisar0(SB),NOSPLIT,$0-8
// get Instruction Set Attributes 0 into x0
// mrs x0, ID_AA64ISAR0_EL1 = d5380600
WORD $0xd5380600
MOVD R0, ret+0(FP)
RET
// func getisar1() uint64
TEXT ·getisar1(SB),NOSPLIT,$0-8
// get Instruction Set Attributes 1 into x0
// mrs x0, ID_AA64ISAR1_EL1 = d5380620
WORD $0xd5380620
MOVD R0, ret+0(FP)
RET
// func getpfr0() uint64
TEXT ·getpfr0(SB),NOSPLIT,$0-8
// get Processor Feature Register 0 into x0
// mrs x0, ID_AA64PFR0_EL1 = d5380400
WORD $0xd5380400
MOVD R0, ret+0(FP)
RET

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vendor/golang.org/x/sys/cpu/cpu_gc_arm64.go generated vendored Normal file
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// Copyright 2019 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build gc
package cpu
func getisar0() uint64
func getisar1() uint64
func getpfr0() uint64

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vendor/golang.org/x/sys/cpu/cpu_gc_s390x.go generated vendored Normal file
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// Copyright 2019 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build gc
package cpu
// haveAsmFunctions reports whether the other functions in this file can
// be safely called.
func haveAsmFunctions() bool { return true }
// The following feature detection functions are defined in cpu_s390x.s.
// They are likely to be expensive to call so the results should be cached.
func stfle() facilityList
func kmQuery() queryResult
func kmcQuery() queryResult
func kmctrQuery() queryResult
func kmaQuery() queryResult
func kimdQuery() queryResult
func klmdQuery() queryResult

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vendor/golang.org/x/sys/cpu/cpu_gc_x86.go generated vendored Normal file
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// Copyright 2018 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build 386 amd64 amd64p32
// +build gc
package cpu
// cpuid is implemented in cpu_x86.s for gc compiler
// and in cpu_gccgo.c for gccgo.
func cpuid(eaxArg, ecxArg uint32) (eax, ebx, ecx, edx uint32)
// xgetbv with ecx = 0 is implemented in cpu_x86.s for gc compiler
// and in cpu_gccgo.c for gccgo.
func xgetbv() (eax, edx uint32)

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vendor/golang.org/x/sys/cpu/cpu_gccgo_arm64.go generated vendored Normal file
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// Copyright 2019 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build gccgo
package cpu
func getisar0() uint64 { return 0 }
func getisar1() uint64 { return 0 }
func getpfr0() uint64 { return 0 }

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vendor/golang.org/x/sys/cpu/cpu_gccgo_s390x.go generated vendored Normal file
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// Copyright 2019 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build gccgo
package cpu
// haveAsmFunctions reports whether the other functions in this file can
// be safely called.
func haveAsmFunctions() bool { return false }
// TODO(mundaym): the following feature detection functions are currently
// stubs. See https://golang.org/cl/162887 for how to fix this.
// They are likely to be expensive to call so the results should be cached.
func stfle() facilityList { panic("not implemented for gccgo") }
func kmQuery() queryResult { panic("not implemented for gccgo") }
func kmcQuery() queryResult { panic("not implemented for gccgo") }
func kmctrQuery() queryResult { panic("not implemented for gccgo") }
func kmaQuery() queryResult { panic("not implemented for gccgo") }
func kimdQuery() queryResult { panic("not implemented for gccgo") }
func klmdQuery() queryResult { panic("not implemented for gccgo") }

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vendor/golang.org/x/sys/cpu/cpu_gccgo_x86.c generated vendored Normal file
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// Copyright 2018 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build 386 amd64 amd64p32
// +build gccgo
#include <cpuid.h>
#include <stdint.h>
// Need to wrap __get_cpuid_count because it's declared as static.
int
gccgoGetCpuidCount(uint32_t leaf, uint32_t subleaf,
uint32_t *eax, uint32_t *ebx,
uint32_t *ecx, uint32_t *edx)
{
return __get_cpuid_count(leaf, subleaf, eax, ebx, ecx, edx);
}
// xgetbv reads the contents of an XCR (Extended Control Register)
// specified in the ECX register into registers EDX:EAX.
// Currently, the only supported value for XCR is 0.
//
// TODO: Replace with a better alternative:
//
// #include <xsaveintrin.h>
//
// #pragma GCC target("xsave")
//
// void gccgoXgetbv(uint32_t *eax, uint32_t *edx) {
// unsigned long long x = _xgetbv(0);
// *eax = x & 0xffffffff;
// *edx = (x >> 32) & 0xffffffff;
// }
//
// Note that _xgetbv is defined starting with GCC 8.
void
gccgoXgetbv(uint32_t *eax, uint32_t *edx)
{
__asm(" xorl %%ecx, %%ecx\n"
" xgetbv"
: "=a"(*eax), "=d"(*edx));
}

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vendor/golang.org/x/sys/cpu/cpu_gccgo_x86.go generated vendored Normal file
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// Copyright 2018 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build 386 amd64 amd64p32
// +build gccgo
package cpu
//extern gccgoGetCpuidCount
func gccgoGetCpuidCount(eaxArg, ecxArg uint32, eax, ebx, ecx, edx *uint32)
func cpuid(eaxArg, ecxArg uint32) (eax, ebx, ecx, edx uint32) {
var a, b, c, d uint32
gccgoGetCpuidCount(eaxArg, ecxArg, &a, &b, &c, &d)
return a, b, c, d
}
//extern gccgoXgetbv
func gccgoXgetbv(eax, edx *uint32)
func xgetbv() (eax, edx uint32) {
var a, d uint32
gccgoXgetbv(&a, &d)
return a, d
}

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vendor/golang.org/x/sys/cpu/cpu_linux.go generated vendored Normal file
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// Copyright 2018 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build !386,!amd64,!amd64p32,!arm64
package cpu
func archInit() {
if err := readHWCAP(); err != nil {
return
}
doinit()
Initialized = true
}

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// Copyright 2019 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package cpu
func doinit() {
ARM.HasSWP = isSet(hwCap, hwcap_SWP)
ARM.HasHALF = isSet(hwCap, hwcap_HALF)
ARM.HasTHUMB = isSet(hwCap, hwcap_THUMB)
ARM.Has26BIT = isSet(hwCap, hwcap_26BIT)
ARM.HasFASTMUL = isSet(hwCap, hwcap_FAST_MULT)
ARM.HasFPA = isSet(hwCap, hwcap_FPA)
ARM.HasVFP = isSet(hwCap, hwcap_VFP)
ARM.HasEDSP = isSet(hwCap, hwcap_EDSP)
ARM.HasJAVA = isSet(hwCap, hwcap_JAVA)
ARM.HasIWMMXT = isSet(hwCap, hwcap_IWMMXT)
ARM.HasCRUNCH = isSet(hwCap, hwcap_CRUNCH)
ARM.HasTHUMBEE = isSet(hwCap, hwcap_THUMBEE)
ARM.HasNEON = isSet(hwCap, hwcap_NEON)
ARM.HasVFPv3 = isSet(hwCap, hwcap_VFPv3)
ARM.HasVFPv3D16 = isSet(hwCap, hwcap_VFPv3D16)
ARM.HasTLS = isSet(hwCap, hwcap_TLS)
ARM.HasVFPv4 = isSet(hwCap, hwcap_VFPv4)
ARM.HasIDIVA = isSet(hwCap, hwcap_IDIVA)
ARM.HasIDIVT = isSet(hwCap, hwcap_IDIVT)
ARM.HasVFPD32 = isSet(hwCap, hwcap_VFPD32)
ARM.HasLPAE = isSet(hwCap, hwcap_LPAE)
ARM.HasEVTSTRM = isSet(hwCap, hwcap_EVTSTRM)
ARM.HasAES = isSet(hwCap2, hwcap2_AES)
ARM.HasPMULL = isSet(hwCap2, hwcap2_PMULL)
ARM.HasSHA1 = isSet(hwCap2, hwcap2_SHA1)
ARM.HasSHA2 = isSet(hwCap2, hwcap2_SHA2)
ARM.HasCRC32 = isSet(hwCap2, hwcap2_CRC32)
}
func isSet(hwc uint, value uint) bool {
return hwc&value != 0
}

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// Copyright 2018 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package cpu
// HWCAP/HWCAP2 bits. These are exposed by Linux.
const (
hwcap_FP = 1 << 0
hwcap_ASIMD = 1 << 1
hwcap_EVTSTRM = 1 << 2
hwcap_AES = 1 << 3
hwcap_PMULL = 1 << 4
hwcap_SHA1 = 1 << 5
hwcap_SHA2 = 1 << 6
hwcap_CRC32 = 1 << 7
hwcap_ATOMICS = 1 << 8
hwcap_FPHP = 1 << 9
hwcap_ASIMDHP = 1 << 10
hwcap_CPUID = 1 << 11
hwcap_ASIMDRDM = 1 << 12
hwcap_JSCVT = 1 << 13
hwcap_FCMA = 1 << 14
hwcap_LRCPC = 1 << 15
hwcap_DCPOP = 1 << 16
hwcap_SHA3 = 1 << 17
hwcap_SM3 = 1 << 18
hwcap_SM4 = 1 << 19
hwcap_ASIMDDP = 1 << 20
hwcap_SHA512 = 1 << 21
hwcap_SVE = 1 << 22
hwcap_ASIMDFHM = 1 << 23
)
func doinit() {
if err := readHWCAP(); err != nil {
// failed to read /proc/self/auxv, try reading registers directly
readARM64Registers()
return
}
// HWCAP feature bits
ARM64.HasFP = isSet(hwCap, hwcap_FP)
ARM64.HasASIMD = isSet(hwCap, hwcap_ASIMD)
ARM64.HasEVTSTRM = isSet(hwCap, hwcap_EVTSTRM)
ARM64.HasAES = isSet(hwCap, hwcap_AES)
ARM64.HasPMULL = isSet(hwCap, hwcap_PMULL)
ARM64.HasSHA1 = isSet(hwCap, hwcap_SHA1)
ARM64.HasSHA2 = isSet(hwCap, hwcap_SHA2)
ARM64.HasCRC32 = isSet(hwCap, hwcap_CRC32)
ARM64.HasATOMICS = isSet(hwCap, hwcap_ATOMICS)
ARM64.HasFPHP = isSet(hwCap, hwcap_FPHP)
ARM64.HasASIMDHP = isSet(hwCap, hwcap_ASIMDHP)
ARM64.HasCPUID = isSet(hwCap, hwcap_CPUID)
ARM64.HasASIMDRDM = isSet(hwCap, hwcap_ASIMDRDM)
ARM64.HasJSCVT = isSet(hwCap, hwcap_JSCVT)
ARM64.HasFCMA = isSet(hwCap, hwcap_FCMA)
ARM64.HasLRCPC = isSet(hwCap, hwcap_LRCPC)
ARM64.HasDCPOP = isSet(hwCap, hwcap_DCPOP)
ARM64.HasSHA3 = isSet(hwCap, hwcap_SHA3)
ARM64.HasSM3 = isSet(hwCap, hwcap_SM3)
ARM64.HasSM4 = isSet(hwCap, hwcap_SM4)
ARM64.HasASIMDDP = isSet(hwCap, hwcap_ASIMDDP)
ARM64.HasSHA512 = isSet(hwCap, hwcap_SHA512)
ARM64.HasSVE = isSet(hwCap, hwcap_SVE)
ARM64.HasASIMDFHM = isSet(hwCap, hwcap_ASIMDFHM)
}
func isSet(hwc uint, value uint) bool {
return hwc&value != 0
}

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vendor/golang.org/x/sys/cpu/cpu_linux_mips64x.go generated vendored Normal file
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// Copyright 2020 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build linux
// +build mips64 mips64le
package cpu
// HWCAP bits. These are exposed by the Linux kernel 5.4.
const (
// CPU features
hwcap_MIPS_MSA = 1 << 1
)
func doinit() {
// HWCAP feature bits
MIPS64X.HasMSA = isSet(hwCap, hwcap_MIPS_MSA)
}
func isSet(hwc uint, value uint) bool {
return hwc&value != 0
}

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vendor/golang.org/x/sys/cpu/cpu_linux_noinit.go generated vendored Normal file
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// Copyright 2019 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build linux,!arm,!arm64,!mips64,!mips64le,!ppc64,!ppc64le,!s390x
package cpu
func doinit() {}

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// Copyright 2018 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build linux
// +build ppc64 ppc64le
package cpu
// HWCAP/HWCAP2 bits. These are exposed by the kernel.
const (
// ISA Level
_PPC_FEATURE2_ARCH_2_07 = 0x80000000
_PPC_FEATURE2_ARCH_3_00 = 0x00800000
// CPU features
_PPC_FEATURE2_DARN = 0x00200000
_PPC_FEATURE2_SCV = 0x00100000
)
func doinit() {
// HWCAP2 feature bits
PPC64.IsPOWER8 = isSet(hwCap2, _PPC_FEATURE2_ARCH_2_07)
PPC64.IsPOWER9 = isSet(hwCap2, _PPC_FEATURE2_ARCH_3_00)
PPC64.HasDARN = isSet(hwCap2, _PPC_FEATURE2_DARN)
PPC64.HasSCV = isSet(hwCap2, _PPC_FEATURE2_SCV)
}
func isSet(hwc uint, value uint) bool {
return hwc&value != 0
}

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vendor/golang.org/x/sys/cpu/cpu_linux_s390x.go generated vendored Normal file
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// Copyright 2019 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package cpu
const (
// bit mask values from /usr/include/bits/hwcap.h
hwcap_ZARCH = 2
hwcap_STFLE = 4
hwcap_MSA = 8
hwcap_LDISP = 16
hwcap_EIMM = 32
hwcap_DFP = 64
hwcap_ETF3EH = 256
hwcap_VX = 2048
hwcap_VXE = 8192
)
func initS390Xbase() {
// test HWCAP bit vector
has := func(featureMask uint) bool {
return hwCap&featureMask == featureMask
}
// mandatory
S390X.HasZARCH = has(hwcap_ZARCH)
// optional
S390X.HasSTFLE = has(hwcap_STFLE)
S390X.HasLDISP = has(hwcap_LDISP)
S390X.HasEIMM = has(hwcap_EIMM)
S390X.HasETF3EH = has(hwcap_ETF3EH)
S390X.HasDFP = has(hwcap_DFP)
S390X.HasMSA = has(hwcap_MSA)
S390X.HasVX = has(hwcap_VX)
if S390X.HasVX {
S390X.HasVXE = has(hwcap_VXE)
}
}

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vendor/golang.org/x/sys/cpu/cpu_mips64x.go generated vendored Normal file
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// Copyright 2018 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build mips64 mips64le
package cpu
const cacheLineSize = 32
func initOptions() {
options = []option{
{Name: "msa", Feature: &MIPS64X.HasMSA},
}
}

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vendor/golang.org/x/sys/cpu/cpu_mipsx.go generated vendored Normal file
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// Copyright 2018 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build mips mipsle
package cpu
const cacheLineSize = 32
func initOptions() {}

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vendor/golang.org/x/sys/cpu/cpu_netbsd_arm64.go generated vendored Normal file
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// Copyright 2020 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package cpu
import (
"syscall"
"unsafe"
)
// Minimal copy of functionality from x/sys/unix so the cpu package can call
// sysctl without depending on x/sys/unix.
const (
_CTL_QUERY = -2
_SYSCTL_VERS_1 = 0x1000000
)
var _zero uintptr
func sysctl(mib []int32, old *byte, oldlen *uintptr, new *byte, newlen uintptr) (err error) {
var _p0 unsafe.Pointer
if len(mib) > 0 {
_p0 = unsafe.Pointer(&mib[0])
} else {
_p0 = unsafe.Pointer(&_zero)
}
_, _, errno := syscall.Syscall6(
syscall.SYS___SYSCTL,
uintptr(_p0),
uintptr(len(mib)),
uintptr(unsafe.Pointer(old)),
uintptr(unsafe.Pointer(oldlen)),
uintptr(unsafe.Pointer(new)),
uintptr(newlen))
if errno != 0 {
return errno
}
return nil
}
type sysctlNode struct {
Flags uint32
Num int32
Name [32]int8
Ver uint32
__rsvd uint32
Un [16]byte
_sysctl_size [8]byte
_sysctl_func [8]byte
_sysctl_parent [8]byte
_sysctl_desc [8]byte
}
func sysctlNodes(mib []int32) ([]sysctlNode, error) {
var olen uintptr
// Get a list of all sysctl nodes below the given MIB by performing
// a sysctl for the given MIB with CTL_QUERY appended.
mib = append(mib, _CTL_QUERY)
qnode := sysctlNode{Flags: _SYSCTL_VERS_1}
qp := (*byte)(unsafe.Pointer(&qnode))
sz := unsafe.Sizeof(qnode)
if err := sysctl(mib, nil, &olen, qp, sz); err != nil {
return nil, err
}
// Now that we know the size, get the actual nodes.
nodes := make([]sysctlNode, olen/sz)
np := (*byte)(unsafe.Pointer(&nodes[0]))
if err := sysctl(mib, np, &olen, qp, sz); err != nil {
return nil, err
}
return nodes, nil
}
func nametomib(name string) ([]int32, error) {
// Split name into components.
var parts []string
last := 0
for i := 0; i < len(name); i++ {
if name[i] == '.' {
parts = append(parts, name[last:i])
last = i + 1
}
}
parts = append(parts, name[last:])
mib := []int32{}
// Discover the nodes and construct the MIB OID.
for partno, part := range parts {
nodes, err := sysctlNodes(mib)
if err != nil {
return nil, err
}
for _, node := range nodes {
n := make([]byte, 0)
for i := range node.Name {
if node.Name[i] != 0 {
n = append(n, byte(node.Name[i]))
}
}
if string(n) == part {
mib = append(mib, int32(node.Num))
break
}
}
if len(mib) != partno+1 {
return nil, err
}
}
return mib, nil
}
// aarch64SysctlCPUID is struct aarch64_sysctl_cpu_id from NetBSD's <aarch64/armreg.h>
type aarch64SysctlCPUID struct {
midr uint64 /* Main ID Register */
revidr uint64 /* Revision ID Register */
mpidr uint64 /* Multiprocessor Affinity Register */
aa64dfr0 uint64 /* A64 Debug Feature Register 0 */
aa64dfr1 uint64 /* A64 Debug Feature Register 1 */
aa64isar0 uint64 /* A64 Instruction Set Attribute Register 0 */
aa64isar1 uint64 /* A64 Instruction Set Attribute Register 1 */
aa64mmfr0 uint64 /* A64 Memory Model Feature Register 0 */
aa64mmfr1 uint64 /* A64 Memory Model Feature Register 1 */
aa64mmfr2 uint64 /* A64 Memory Model Feature Register 2 */
aa64pfr0 uint64 /* A64 Processor Feature Register 0 */
aa64pfr1 uint64 /* A64 Processor Feature Register 1 */
aa64zfr0 uint64 /* A64 SVE Feature ID Register 0 */
mvfr0 uint32 /* Media and VFP Feature Register 0 */
mvfr1 uint32 /* Media and VFP Feature Register 1 */
mvfr2 uint32 /* Media and VFP Feature Register 2 */
pad uint32
clidr uint64 /* Cache Level ID Register */
ctr uint64 /* Cache Type Register */
}
func sysctlCPUID(name string) (*aarch64SysctlCPUID, error) {
mib, err := nametomib(name)
if err != nil {
return nil, err
}
out := aarch64SysctlCPUID{}
n := unsafe.Sizeof(out)
_, _, errno := syscall.Syscall6(
syscall.SYS___SYSCTL,
uintptr(unsafe.Pointer(&mib[0])),
uintptr(len(mib)),
uintptr(unsafe.Pointer(&out)),
uintptr(unsafe.Pointer(&n)),
uintptr(0),
uintptr(0))
if errno != 0 {
return nil, errno
}
return &out, nil
}
func doinit() {
cpuid, err := sysctlCPUID("machdep.cpu0.cpu_id")
if err != nil {
setMinimalFeatures()
return
}
parseARM64SystemRegisters(cpuid.aa64isar0, cpuid.aa64isar1, cpuid.aa64pfr0)
Initialized = true
}

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vendor/golang.org/x/sys/cpu/cpu_other_arm.go generated vendored Normal file
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// Copyright 2020 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build !linux,arm
package cpu
func archInit() {}

10
vendor/golang.org/x/sys/cpu/cpu_other_arm64.go generated vendored Normal file
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// Copyright 2019 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build !linux,!netbsd
// +build arm64
package cpu
func doinit() {}

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