Handle CORS requests (#6289)

This commit is contained in:
Tamal Saha 2019-05-13 08:38:53 -07:00 committed by techknowlogick
parent 6fb58a8cdc
commit 34d06f4c6b
170 changed files with 5220 additions and 2124 deletions

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@ -74,6 +74,23 @@ WORK_IN_PROGRESS_PREFIXES=WIP:,[WIP]
; List of reasons why a Pull Request or Issue can be locked ; List of reasons why a Pull Request or Issue can be locked
LOCK_REASONS=Too heated,Off-topic,Resolved,Spam LOCK_REASONS=Too heated,Off-topic,Resolved,Spam
[cors]
; More information about CORS can be found here: https://developer.mozilla.org/en-US/docs/Web/HTTP/CORS#The_HTTP_response_headers
; enable cors headers (disabled by default)
ENABLED=false
; scheme of allowed requests
SCHEME=http
; list of requesting domains that are allowed
ALLOW_DOMAIN=*
; allow subdomains of headers listed above to request
ALLOW_SUBDOMAIN=false
; list of methods allowed to request
METHODS=GET,HEAD,POST,PUT,PATCH,DELETE,OPTIONS
; max time to cache response
MAX_AGE=10m
; allow request with credentials
ALLOW_CREDENTIALS=false
[ui] [ui]
; Number of repositories that are displayed on one explore page ; Number of repositories that are displayed on one explore page
EXPLORE_PAGING_NUM = 20 EXPLORE_PAGING_NUM = 20

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@ -76,6 +76,16 @@ Values containing `#` or `;` must be quoted using `` ` `` or `"""`.
- `LOCK_REASONS`: **Too heated,Off-topic,Resolved,Spam**: A list of reasons why a Pull Request or Issue can be locked - `LOCK_REASONS`: **Too heated,Off-topic,Resolved,Spam**: A list of reasons why a Pull Request or Issue can be locked
## CORS (`cors`)
- `ENABLED`: **false**: enable cors headers (disabled by default)
- `SCHEME`: **http**: scheme of allowed requests
- `ALLOW_DOMAIN`: **\***: list of requesting domains that are allowed
- `ALLOW_SUBDOMAIN`: **false**: allow subdomains of headers listed above to request
- `METHODS`: **GET,HEAD,POST,PUT,PATCH,DELETE,OPTIONS**: list of methods allowed to request
- `MAX_AGE`: **10m**: max time to cache response
- `ALLOW_CREDENTIALS`: **false**: allow request with credentials
## UI (`ui`) ## UI (`ui`)
- `EXPLORE_PAGING_NUM`: **20**: Number of repositories that are shown in one explore page. - `EXPLORE_PAGING_NUM`: **20**: Number of repositories that are shown in one explore page.

13
go.mod
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@ -7,7 +7,7 @@ require (
github.com/PuerkitoBio/goquery v0.0.0-20170324135448-ed7d758e9a34 github.com/PuerkitoBio/goquery v0.0.0-20170324135448-ed7d758e9a34
github.com/RoaringBitmap/roaring v0.4.7 // indirect github.com/RoaringBitmap/roaring v0.4.7 // indirect
github.com/Unknwon/cae v0.0.0-20160715032808-c6aac99ea2ca github.com/Unknwon/cae v0.0.0-20160715032808-c6aac99ea2ca
github.com/Unknwon/com v0.0.0-20170819223952-7677a1d7c113 github.com/Unknwon/com v0.0.0-20190321035513-0fed4efef755
github.com/Unknwon/i18n v0.0.0-20171114194641-b64d33658966 github.com/Unknwon/i18n v0.0.0-20171114194641-b64d33658966
github.com/Unknwon/paginater v0.0.0-20151104151617-7748a72e0141 github.com/Unknwon/paginater v0.0.0-20151104151617-7748a72e0141
github.com/andybalholm/cascadia v0.0.0-20161224141413-349dd0209470 // indirect github.com/andybalholm/cascadia v0.0.0-20161224141413-349dd0209470 // indirect
@ -48,6 +48,7 @@ require (
github.com/go-macaron/binding v0.0.0-20160711225916-9440f336b443 github.com/go-macaron/binding v0.0.0-20160711225916-9440f336b443
github.com/go-macaron/cache v0.0.0-20151013081102-561735312776 github.com/go-macaron/cache v0.0.0-20151013081102-561735312776
github.com/go-macaron/captcha v0.0.0-20151123225153-8aa5919789ab github.com/go-macaron/captcha v0.0.0-20151123225153-8aa5919789ab
github.com/go-macaron/cors v0.0.0-20190309005821-6fd6a9bfe14e9
github.com/go-macaron/csrf v0.0.0-20180426211211-503617c6b372 github.com/go-macaron/csrf v0.0.0-20180426211211-503617c6b372
github.com/go-macaron/i18n v0.0.0-20160612092837-ef57533c3b0f github.com/go-macaron/i18n v0.0.0-20160612092837-ef57533c3b0f
github.com/go-macaron/inject v0.0.0-20160627170012-d8a0b8677191 github.com/go-macaron/inject v0.0.0-20160627170012-d8a0b8677191
@ -113,17 +114,17 @@ require (
github.com/willf/bitset v0.0.0-20180426185212-8ce1146b8621 // indirect github.com/willf/bitset v0.0.0-20180426185212-8ce1146b8621 // indirect
github.com/yohcop/openid-go v0.0.0-20160914080427-2c050d2dae53 github.com/yohcop/openid-go v0.0.0-20160914080427-2c050d2dae53
go.etcd.io/bbolt v1.3.2 // indirect go.etcd.io/bbolt v1.3.2 // indirect
golang.org/x/crypto v0.0.0-20180904163835-0709b304e793 golang.org/x/crypto v0.0.0-20190418165655-df01cb2cc480
golang.org/x/net v0.0.0-20181023162649-9b4f9f5ad519 golang.org/x/net v0.0.0-20181023162649-9b4f9f5ad519
golang.org/x/oauth2 v0.0.0-20181101160152-c453e0c75759 golang.org/x/oauth2 v0.0.0-20181101160152-c453e0c75759
golang.org/x/sys v0.0.0-20190222072716-a9d3bda3a223 golang.org/x/sys v0.0.0-20190403152447-81d4e9dc473e
golang.org/x/text v0.3.0 golang.org/x/text v0.3.0
gopkg.in/alexcesaro/quotedprintable.v3 v3.0.0-20150716171945-2caba252f4dc // indirect gopkg.in/alexcesaro/quotedprintable.v3 v3.0.0-20150716171945-2caba252f4dc // indirect
gopkg.in/asn1-ber.v1 v1.0.0-20150924051756-4e86f4367175 // indirect gopkg.in/asn1-ber.v1 v1.0.0-20150924051756-4e86f4367175 // indirect
gopkg.in/bufio.v1 v1.0.0-20140618132640-567b2bfa514e // indirect gopkg.in/bufio.v1 v1.0.0-20140618132640-567b2bfa514e // indirect
gopkg.in/editorconfig/editorconfig-core-go.v1 v1.2.0 gopkg.in/editorconfig/editorconfig-core-go.v1 v1.2.0
gopkg.in/gomail.v2 v2.0.0-20160411212932-81ebce5c23df gopkg.in/gomail.v2 v2.0.0-20160411212932-81ebce5c23df
gopkg.in/ini.v1 v1.31.1 gopkg.in/ini.v1 v1.42.0
gopkg.in/ldap.v3 v3.0.2 gopkg.in/ldap.v3 v3.0.2
gopkg.in/macaron.v1 v1.3.2 gopkg.in/macaron.v1 v1.3.2
gopkg.in/redis.v2 v2.3.2 // indirect gopkg.in/redis.v2 v2.3.2 // indirect
@ -135,6 +136,6 @@ require (
) )
replace ( replace (
github.com/denisenkom/go-mssqldb v0.0.0-20181014144952-4e0d7dc8888f => github.com/denisenkom/go-mssqldb v0.0.0-20161128230840-e32ca5036449 github.com/denisenkom/go-mssqldb => github.com/denisenkom/go-mssqldb v0.0.0-20161128230840-e32ca5036449
github.com/go-sql-driver/mysql v1.4.0 => github.com/go-sql-driver/mysql v0.0.0-20181218123637-c45f530f8e7f github.com/go-sql-driver/mysql => github.com/go-sql-driver/mysql v0.0.0-20181218123637-c45f530f8e7f
) )

20
go.sum
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@ -7,8 +7,8 @@ github.com/RoaringBitmap/roaring v0.4.7 h1:eGUudvFzvF7Kxh7JjYvXfI1f7l22/2duFby7r
github.com/RoaringBitmap/roaring v0.4.7/go.mod h1:8khRDP4HmeXns4xIj9oGrKSz7XTQiJx2zgh7AcNke4w= github.com/RoaringBitmap/roaring v0.4.7/go.mod h1:8khRDP4HmeXns4xIj9oGrKSz7XTQiJx2zgh7AcNke4w=
github.com/Unknwon/cae v0.0.0-20160715032808-c6aac99ea2ca h1:xU8R31tsvj6TesCBog973+UgI3TXjh/LqN5clki6hcc= github.com/Unknwon/cae v0.0.0-20160715032808-c6aac99ea2ca h1:xU8R31tsvj6TesCBog973+UgI3TXjh/LqN5clki6hcc=
github.com/Unknwon/cae v0.0.0-20160715032808-c6aac99ea2ca/go.mod h1:IRSre9/SEhVuy972TVuJLyaPTS73+8Owhe0Y0l9NXHc= github.com/Unknwon/cae v0.0.0-20160715032808-c6aac99ea2ca/go.mod h1:IRSre9/SEhVuy972TVuJLyaPTS73+8Owhe0Y0l9NXHc=
github.com/Unknwon/com v0.0.0-20170819223952-7677a1d7c113 h1:YwXm6KwmrA5R5yJRhcnpqRUHmBXSKciHuWtK9zP5qKQ= github.com/Unknwon/com v0.0.0-20190321035513-0fed4efef755 h1:1B7wb36fHLSwZfHg6ngZhhtIEHQjiC5H4p7qQGBEffg=
github.com/Unknwon/com v0.0.0-20170819223952-7677a1d7c113/go.mod h1:KYCjqMOeHpNuTOiFQU6WEcTG7poCJrUs0YgyHNtn1no= github.com/Unknwon/com v0.0.0-20190321035513-0fed4efef755/go.mod h1:voKvFVpXBJxdIPeqjoJuLK+UVcRlo/JLjeToGxPYu68=
github.com/Unknwon/i18n v0.0.0-20171114194641-b64d33658966 h1:Mp8GNJ/tdTZIEdLdZfykEJaL3mTyEYrSzYNcdoQKpJk= github.com/Unknwon/i18n v0.0.0-20171114194641-b64d33658966 h1:Mp8GNJ/tdTZIEdLdZfykEJaL3mTyEYrSzYNcdoQKpJk=
github.com/Unknwon/i18n v0.0.0-20171114194641-b64d33658966/go.mod h1:SFtfq0zFPsENI7DpE87QM2hcYu5QQ0fRdCgP+P1Hrqo= github.com/Unknwon/i18n v0.0.0-20171114194641-b64d33658966/go.mod h1:SFtfq0zFPsENI7DpE87QM2hcYu5QQ0fRdCgP+P1Hrqo=
github.com/Unknwon/paginater v0.0.0-20151104151617-7748a72e0141 h1:SSvHGK7iMpeypcHjI8UzNMz7zW/K8/dcgqk/82lCYP0= github.com/Unknwon/paginater v0.0.0-20151104151617-7748a72e0141 h1:SSvHGK7iMpeypcHjI8UzNMz7zW/K8/dcgqk/82lCYP0=
@ -105,6 +105,8 @@ github.com/go-macaron/cache v0.0.0-20151013081102-561735312776 h1:UYIHS1r0WotqB5
github.com/go-macaron/cache v0.0.0-20151013081102-561735312776/go.mod h1:hHAsZm/oBZVcY+S7qdQL6Vbg5VrXF6RuKGuqsszt3Ok= github.com/go-macaron/cache v0.0.0-20151013081102-561735312776/go.mod h1:hHAsZm/oBZVcY+S7qdQL6Vbg5VrXF6RuKGuqsszt3Ok=
github.com/go-macaron/captcha v0.0.0-20151123225153-8aa5919789ab h1:4VFhsA3GE5Wwq1Ymr8KWCmrOWi1wRLEgdj48LPfQjxI= github.com/go-macaron/captcha v0.0.0-20151123225153-8aa5919789ab h1:4VFhsA3GE5Wwq1Ymr8KWCmrOWi1wRLEgdj48LPfQjxI=
github.com/go-macaron/captcha v0.0.0-20151123225153-8aa5919789ab/go.mod h1:j9TJ+0nwUOWBvNnm0bheHIPFf3cC62EQo7n7O6PbjZA= github.com/go-macaron/captcha v0.0.0-20151123225153-8aa5919789ab/go.mod h1:j9TJ+0nwUOWBvNnm0bheHIPFf3cC62EQo7n7O6PbjZA=
github.com/go-macaron/cors v0.0.0-20190309005821-6fd6a9bfe14e9 h1:A0QGzY6UHHEil0I2e7C21JenNNG0mmrj5d9SFWTlgr8=
github.com/go-macaron/cors v0.0.0-20190309005821-6fd6a9bfe14e9/go.mod h1:utmMRnVIrXPSfA9MFcpIYKEpKawjKxf62vv62k4707E=
github.com/go-macaron/csrf v0.0.0-20180426211211-503617c6b372 h1:acrx8CnDmlKl+BPoOOLEK9Ko+SrWFB5pxRuGkKj4iqo= github.com/go-macaron/csrf v0.0.0-20180426211211-503617c6b372 h1:acrx8CnDmlKl+BPoOOLEK9Ko+SrWFB5pxRuGkKj4iqo=
github.com/go-macaron/csrf v0.0.0-20180426211211-503617c6b372/go.mod h1:oZGMxI7MBnicI0jJqJvH4qQzyrWKhtiKxLSJKHC+ydc= github.com/go-macaron/csrf v0.0.0-20180426211211-503617c6b372/go.mod h1:oZGMxI7MBnicI0jJqJvH4qQzyrWKhtiKxLSJKHC+ydc=
github.com/go-macaron/i18n v0.0.0-20160612092837-ef57533c3b0f h1:wDKrZFc9pYJlqFOf7EzGbFMrSFFtyHt3plr2uTdo8Rg= github.com/go-macaron/i18n v0.0.0-20160612092837-ef57533c3b0f h1:wDKrZFc9pYJlqFOf7EzGbFMrSFFtyHt3plr2uTdo8Rg=
@ -148,6 +150,8 @@ github.com/google/go-querystring v1.0.0 h1:Xkwi/a1rcvNg1PPYe5vI8GbeBY/jrVuDX5ASu
github.com/google/go-querystring v1.0.0/go.mod h1:odCYkC5MyYFN7vkCjXpyrEuKhc/BUO6wN/zVPAxq5ck= github.com/google/go-querystring v1.0.0/go.mod h1:odCYkC5MyYFN7vkCjXpyrEuKhc/BUO6wN/zVPAxq5ck=
github.com/gopherjs/gopherjs v0.0.0-20181017120253-0766667cb4d1 h1:EGx4pi6eqNxGaHF6qqu48+N2wcFQ5qg5FXgOdqsJ5d8= 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/gopherjs/gopherjs v0.0.0-20181017120253-0766667cb4d1/go.mod h1:wJfORRmW1u3UXTncJ5qlYoELFm8eSnnEO6hX4iZ3EWY=
github.com/gopherjs/gopherjs v0.0.0-20181103185306-d547d1d9531e h1:JKmoR8x90Iww1ks85zJ1lfDGgIiMDuIptTOhJq+zKyg=
github.com/gopherjs/gopherjs v0.0.0-20181103185306-d547d1d9531e/go.mod h1:wJfORRmW1u3UXTncJ5qlYoELFm8eSnnEO6hX4iZ3EWY=
github.com/gorilla/context v1.1.1 h1:AWwleXJkX/nhcU9bZSnZoi3h/qGYqQAGhq6zZe/aQW8= github.com/gorilla/context v1.1.1 h1:AWwleXJkX/nhcU9bZSnZoi3h/qGYqQAGhq6zZe/aQW8=
github.com/gorilla/context v1.1.1/go.mod h1:kBGZzfjB9CEq2AlWe17Uuf7NDRt0dE0s8S51q0aT7Yg= github.com/gorilla/context v1.1.1/go.mod h1:kBGZzfjB9CEq2AlWe17Uuf7NDRt0dE0s8S51q0aT7Yg=
github.com/gorilla/mux v1.6.2 h1:Pgr17XVTNXAk3q/r4CpKzC5xBM/qW1uVLV+IhRZpIIk= github.com/gorilla/mux v1.6.2 h1:Pgr17XVTNXAk3q/r4CpKzC5xBM/qW1uVLV+IhRZpIIk=
@ -178,6 +182,7 @@ github.com/jmhodges/levigo v1.0.0 h1:q5EC36kV79HWeTBWsod3mG11EgStG3qArTKcvlksN1U
github.com/jmhodges/levigo v1.0.0/go.mod h1:Q6Qx+uH3RAqyK4rFQroq9RL7mdkABMcfhEI+nNuzMJQ= github.com/jmhodges/levigo v1.0.0/go.mod h1:Q6Qx+uH3RAqyK4rFQroq9RL7mdkABMcfhEI+nNuzMJQ=
github.com/joho/godotenv v1.3.0 h1:Zjp+RcGpHhGlrMbJzXTrZZPrWj+1vfm90La1wgB6Bhc= github.com/joho/godotenv v1.3.0 h1:Zjp+RcGpHhGlrMbJzXTrZZPrWj+1vfm90La1wgB6Bhc=
github.com/joho/godotenv v1.3.0/go.mod h1:7hK45KPybAkOC6peb+G5yklZfMxEjkZhHbwpqxOKXbg= github.com/joho/godotenv v1.3.0/go.mod h1:7hK45KPybAkOC6peb+G5yklZfMxEjkZhHbwpqxOKXbg=
github.com/jtolds/gls v4.2.1+incompatible/go.mod h1:QJZ7F/aHp+rZTRtaJ1ow/lLfFfVYBRgL+9YlvaHOwJU=
github.com/jtolds/gls v4.20.0+incompatible h1:xdiiI2gbIgH/gLH7ADydsJ1uDOEzR8yvV7C0MuV77Wo= 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/jtolds/gls v4.20.0+incompatible/go.mod h1:QJZ7F/aHp+rZTRtaJ1ow/lLfFfVYBRgL+9YlvaHOwJU=
github.com/kballard/go-shellquote v0.0.0-20170619183022-cd60e84ee657 h1:vE7J1m7cCpiRVEIr1B5ccDxRpbPsWT5JU3if2Di5nE4= github.com/kballard/go-shellquote v0.0.0-20170619183022-cd60e84ee657 h1:vE7J1m7cCpiRVEIr1B5ccDxRpbPsWT5JU3if2Di5nE4=
@ -281,6 +286,9 @@ github.com/siddontang/go-snappy v0.0.0-20140704025258-d8f7bb82a96d h1:qQWKKOvHN7
github.com/siddontang/go-snappy v0.0.0-20140704025258-d8f7bb82a96d/go.mod h1:vq0tzqLRu6TS7Id0wMo2N5QzJoKedVeovOpHjnykSzY= github.com/siddontang/go-snappy v0.0.0-20140704025258-d8f7bb82a96d/go.mod h1:vq0tzqLRu6TS7Id0wMo2N5QzJoKedVeovOpHjnykSzY=
github.com/smartystreets/assertions v0.0.0-20180927180507-b2de0cb4f26d h1:zE9ykElWQ6/NYmHa3jpm/yHnI4xSofP+UP6SpjHcSeM= 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= github.com/smartystreets/assertions v0.0.0-20180927180507-b2de0cb4f26d/go.mod h1:OnSkiWE9lh6wB0YB77sQom3nweQdgAjqCqsofrRNTgc=
github.com/smartystreets/assertions v0.0.0-20190116191733-b6c0e53d7304 h1:Jpy1PXuP99tXNrhbq2BaPz9B+jNAvH1JPQQpG/9GCXY=
github.com/smartystreets/assertions v0.0.0-20190116191733-b6c0e53d7304/go.mod h1:OnSkiWE9lh6wB0YB77sQom3nweQdgAjqCqsofrRNTgc=
github.com/smartystreets/goconvey v0.0.0-20181108003508-044398e4856c/go.mod h1:XDJAKZRPZ1CvBcN2aX5YOUTYGHki24fSF0Iv48Ibg0s=
github.com/smartystreets/goconvey v0.0.0-20190306220146-200a235640ff h1:86HlEv0yBCry9syNuylzqznKXDK11p6D0DT596yNMys= github.com/smartystreets/goconvey v0.0.0-20190306220146-200a235640ff h1:86HlEv0yBCry9syNuylzqznKXDK11p6D0DT596yNMys=
github.com/smartystreets/goconvey v0.0.0-20190306220146-200a235640ff/go.mod h1:KSQcGKpxUMHk3nbYzs/tIBAM2iDooCn0BmttHOJEbLs= github.com/smartystreets/goconvey v0.0.0-20190306220146-200a235640ff/go.mod h1:KSQcGKpxUMHk3nbYzs/tIBAM2iDooCn0BmttHOJEbLs=
github.com/src-d/gcfg v1.4.0 h1:xXbNR5AlLSA315x2UO+fTSSAXCDf+Ar38/6oyGbDKQ4= github.com/src-d/gcfg v1.4.0 h1:xXbNR5AlLSA315x2UO+fTSSAXCDf+Ar38/6oyGbDKQ4=
@ -316,6 +324,8 @@ go.etcd.io/bbolt v1.3.2/go.mod h1:IbVyRI1SCnLcuJnV2u8VeU0CEYM7e686BmAb1XKL+uU=
golang.org/x/crypto v0.0.0-20180820150726-614d502a4dac/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4= golang.org/x/crypto v0.0.0-20180820150726-614d502a4dac/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
golang.org/x/crypto v0.0.0-20180904163835-0709b304e793 h1:u+LnwYTOOW7Ukr/fppxEb1Nwz0AtPflrblfvUudpo+I= golang.org/x/crypto v0.0.0-20180904163835-0709b304e793 h1:u+LnwYTOOW7Ukr/fppxEb1Nwz0AtPflrblfvUudpo+I=
golang.org/x/crypto v0.0.0-20180904163835-0709b304e793/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4= golang.org/x/crypto v0.0.0-20180904163835-0709b304e793/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
golang.org/x/crypto v0.0.0-20190418165655-df01cb2cc480 h1:O5YqonU5IWby+w98jVUG9h7zlCWCcH4RHyPVReBmhzk=
golang.org/x/crypto v0.0.0-20190418165655-df01cb2cc480/go.mod h1:WFFai1msRO1wXaEeE5yQxYXgSfI8pQAWXbQop6sCtWE=
golang.org/x/net v0.0.0-20180724234803-3673e40ba225/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4= golang.org/x/net v0.0.0-20180724234803-3673e40ba225/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
golang.org/x/net v0.0.0-20180826012351-8a410e7b638d/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4= golang.org/x/net v0.0.0-20180826012351-8a410e7b638d/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
golang.org/x/net v0.0.0-20180906233101-161cd47e91fd/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4= golang.org/x/net v0.0.0-20180906233101-161cd47e91fd/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
@ -332,6 +342,8 @@ golang.org/x/sys v0.0.0-20180903190138-2b024373dcd9/go.mod h1:STP8DvDyc/dI5b8T5h
golang.org/x/sys v0.0.0-20180909124046-d0be0721c37e/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY= golang.org/x/sys v0.0.0-20180909124046-d0be0721c37e/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
golang.org/x/sys v0.0.0-20190222072716-a9d3bda3a223 h1:DH4skfRX4EBpamg7iV4ZlCpblAHI6s6TDM39bFZumv8= golang.org/x/sys v0.0.0-20190222072716-a9d3bda3a223 h1:DH4skfRX4EBpamg7iV4ZlCpblAHI6s6TDM39bFZumv8=
golang.org/x/sys v0.0.0-20190222072716-a9d3bda3a223/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY= golang.org/x/sys v0.0.0-20190222072716-a9d3bda3a223/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
golang.org/x/sys v0.0.0-20190403152447-81d4e9dc473e h1:nFYrTHrdrAOpShe27kaFHjsqYSEQ0KWqdWLu3xuZJts=
golang.org/x/sys v0.0.0-20190403152447-81d4e9dc473e/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/text v0.3.0 h1:g61tztE5qeGQ89tm6NTjjM9VPIm088od1l6aSorWRWg= 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 v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
golang.org/x/tools v0.0.0-20180221164845-07fd8470d635/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ= golang.org/x/tools v0.0.0-20180221164845-07fd8470d635/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
@ -353,8 +365,8 @@ gopkg.in/fsnotify.v1 v1.4.7 h1:xOHLXZwVvI9hhs+cLKq5+I5onOuwQLhQwiu63xxlHs4=
gopkg.in/fsnotify.v1 v1.4.7/go.mod h1:Tz8NjZHkW78fSQdbUxIjBTcgA1z1m8ZHf0WmKUhAMys= gopkg.in/fsnotify.v1 v1.4.7/go.mod h1:Tz8NjZHkW78fSQdbUxIjBTcgA1z1m8ZHf0WmKUhAMys=
gopkg.in/gomail.v2 v2.0.0-20160411212932-81ebce5c23df h1:n7WqCuqOuCbNr617RXOY0AWRXxgwEyPp2z+p0+hgMuE= gopkg.in/gomail.v2 v2.0.0-20160411212932-81ebce5c23df h1:n7WqCuqOuCbNr617RXOY0AWRXxgwEyPp2z+p0+hgMuE=
gopkg.in/gomail.v2 v2.0.0-20160411212932-81ebce5c23df/go.mod h1:LRQQ+SO6ZHR7tOkpBDuZnXENFzX8qRjMDMyPD6BRkCw= gopkg.in/gomail.v2 v2.0.0-20160411212932-81ebce5c23df/go.mod h1:LRQQ+SO6ZHR7tOkpBDuZnXENFzX8qRjMDMyPD6BRkCw=
gopkg.in/ini.v1 v1.31.1 h1:8EY/6KDwKM9Qg4vu1+01ZpsxClC/XV71R+nZ/TL7D4M= gopkg.in/ini.v1 v1.42.0 h1:7N3gPTt50s8GuLortA00n8AqRTk75qOP98+mTPpgzRk=
gopkg.in/ini.v1 v1.31.1/go.mod h1:pNLf8WUiyNEtQjuu5G5vTm06TEv9tsIgeAvK8hOrP4k= gopkg.in/ini.v1 v1.42.0/go.mod h1:pNLf8WUiyNEtQjuu5G5vTm06TEv9tsIgeAvK8hOrP4k=
gopkg.in/ldap.v3 v3.0.2 h1:R6RBtabK6e1GO0eQKtkyOFbAHO73QesLzI2w2DZ6b9w= gopkg.in/ldap.v3 v3.0.2 h1:R6RBtabK6e1GO0eQKtkyOFbAHO73QesLzI2w2DZ6b9w=
gopkg.in/ldap.v3 v3.0.2/go.mod h1:oxD7NyBuxchC+SgJDE1Q5Od05eGt29SDQVBmV+HYbzw= gopkg.in/ldap.v3 v3.0.2/go.mod h1:oxD7NyBuxchC+SgJDE1Q5Od05eGt29SDQVBmV+HYbzw=
gopkg.in/macaron.v1 v1.3.2 h1:AvWIaPmwBUA87/OWzePkoxeaw6YJWDfBt1pDFPBnLf8= gopkg.in/macaron.v1 v1.3.2 h1:AvWIaPmwBUA87/OWzePkoxeaw6YJWDfBt1pDFPBnLf8=

22
integrations/cors_test.go Normal file
View File

@ -0,0 +1,22 @@
// Copyright 2019 The Gitea Authors. All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.
package integrations
import (
"net/http"
"testing"
"github.com/stretchr/testify/assert"
)
func TestCORSNotSet(t *testing.T) {
prepareTestEnv(t)
req := NewRequestf(t, "GET", "/api/v1/version")
session := loginUser(t, "user2")
resp := session.MakeRequest(t, req, http.StatusOK)
assert.Equal(t, resp.Code, http.StatusOK)
corsHeader := resp.Header().Get("Access-Control-Allow-Origin")
assert.Equal(t, corsHeader, "", "Access-Control-Allow-Origin: generated header should match") // header not set
}

41
modules/setting/cors.go Normal file
View File

@ -0,0 +1,41 @@
// Copyright 2019 The Gitea Authors. All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.
package setting
import (
"time"
"code.gitea.io/gitea/modules/log"
"github.com/go-macaron/cors"
)
var (
// CORSConfig defines CORS settings
CORSConfig cors.Options
// EnableCORS defines whether CORS settings is enabled or not
EnableCORS bool
)
func newCORSService() {
sec := Cfg.Section("cors")
// Check cors setting.
EnableCORS = sec.Key("ENABLED").MustBool(false)
maxAge := sec.Key("MAX_AGE").MustDuration(10 * time.Minute)
CORSConfig = cors.Options{
Scheme: sec.Key("SCHEME").String(),
AllowDomain: sec.Key("ALLOW_DOMAIN").String(),
AllowSubdomain: sec.Key("ALLOW_SUBDOMAIN").MustBool(),
Methods: sec.Key("METHODS").Strings(","),
MaxAgeSeconds: int(maxAge.Seconds()),
AllowCredentials: sec.Key("ALLOW_CREDENTIALS").MustBool(),
}
if EnableCORS {
log.Info("CORS Service Enabled")
}
}

View File

@ -1006,6 +1006,7 @@ func NewServices() {
NewLogServices(false) NewLogServices(false)
newCacheService() newCacheService()
newSessionService() newSessionService()
newCORSService()
newMailService() newMailService()
newRegisterMailService() newRegisterMailService()
newNotifyMailService() newNotifyMailService()

View File

@ -74,7 +74,8 @@ import (
"code.gitea.io/gitea/routers/api/v1/user" "code.gitea.io/gitea/routers/api/v1/user"
"github.com/go-macaron/binding" "github.com/go-macaron/binding"
"gopkg.in/macaron.v1" "github.com/go-macaron/cors"
macaron "gopkg.in/macaron.v1"
) )
func sudo() macaron.Handler { func sudo() macaron.Handler {
@ -500,6 +501,12 @@ func RegisterRoutes(m *macaron.Macaron) {
m.Get("/swagger", misc.Swagger) //Render V1 by default m.Get("/swagger", misc.Swagger) //Render V1 by default
} }
var handlers []macaron.Handler
if setting.EnableCORS {
handlers = append(handlers, cors.CORS(setting.CORSConfig))
}
handlers = append(handlers, securityHeaders(), context.APIContexter(), sudo())
m.Group("/v1", func() { m.Group("/v1", func() {
// Miscellaneous // Miscellaneous
if setting.API.EnableSwagger { if setting.API.EnableSwagger {
@ -841,5 +848,15 @@ func RegisterRoutes(m *macaron.Macaron) {
m.Group("/topics", func() { m.Group("/topics", func() {
m.Get("/search", repo.TopicSearch) m.Get("/search", repo.TopicSearch)
}) })
}, context.APIContexter(), sudo()) }, handlers...)
}
func securityHeaders() macaron.Handler {
return func(ctx *macaron.Context) {
ctx.Resp.Before(func(w macaron.ResponseWriter) {
// CORB: https://www.chromium.org/Home/chromium-security/corb-for-developers
// http://stackoverflow.com/a/3146618/244009
w.Header().Set("x-content-type-options", "nosniff")
})
}
} }

53
vendor/github.com/Unknwon/com/dir.go generated vendored
View File

@ -32,7 +32,7 @@ func IsDir(dir string) bool {
return f.IsDir() return f.IsDir()
} }
func statDir(dirPath, recPath string, includeDir, isDirOnly bool) ([]string, error) { func statDir(dirPath, recPath string, includeDir, isDirOnly, followSymlinks bool) ([]string, error) {
dir, err := os.Open(dirPath) dir, err := os.Open(dirPath)
if err != nil { if err != nil {
return nil, err return nil, err
@ -56,13 +56,29 @@ func statDir(dirPath, recPath string, includeDir, isDirOnly bool) ([]string, err
if includeDir { if includeDir {
statList = append(statList, relPath+"/") statList = append(statList, relPath+"/")
} }
s, err := statDir(curPath, relPath, includeDir, isDirOnly) s, err := statDir(curPath, relPath, includeDir, isDirOnly, followSymlinks)
if err != nil { if err != nil {
return nil, err return nil, err
} }
statList = append(statList, s...) statList = append(statList, s...)
} else if !isDirOnly { } else if !isDirOnly {
statList = append(statList, relPath) statList = append(statList, relPath)
} else if followSymlinks && fi.Mode()&os.ModeSymlink != 0 {
link, err := os.Readlink(curPath)
if err != nil {
return nil, err
}
if IsDir(link) {
if includeDir {
statList = append(statList, relPath+"/")
}
s, err := statDir(curPath, relPath, includeDir, isDirOnly, followSymlinks)
if err != nil {
return nil, err
}
statList = append(statList, s...)
}
} }
} }
return statList, nil return statList, nil
@ -84,7 +100,26 @@ func StatDir(rootPath string, includeDir ...bool) ([]string, error) {
if len(includeDir) >= 1 { if len(includeDir) >= 1 {
isIncludeDir = includeDir[0] isIncludeDir = includeDir[0]
} }
return statDir(rootPath, "", isIncludeDir, false) return statDir(rootPath, "", isIncludeDir, false, false)
}
// LstatDir gathers information of given directory by depth-first.
// It returns slice of file list, follows symbolic links and includes subdirectories if enabled;
// it returns error and nil slice when error occurs in underlying functions,
// or given path is not a directory or does not exist.
//
// Slice does not include given path itself.
// If subdirectories is enabled, they will have suffix '/'.
func LstatDir(rootPath string, includeDir ...bool) ([]string, error) {
if !IsDir(rootPath) {
return nil, errors.New("not a directory or does not exist: " + rootPath)
}
isIncludeDir := false
if len(includeDir) >= 1 {
isIncludeDir = includeDir[0]
}
return statDir(rootPath, "", isIncludeDir, false, true)
} }
// GetAllSubDirs returns all subdirectories of given root path. // GetAllSubDirs returns all subdirectories of given root path.
@ -93,7 +128,17 @@ func GetAllSubDirs(rootPath string) ([]string, error) {
if !IsDir(rootPath) { if !IsDir(rootPath) {
return nil, errors.New("not a directory or does not exist: " + rootPath) return nil, errors.New("not a directory or does not exist: " + rootPath)
} }
return statDir(rootPath, "", true, true) return statDir(rootPath, "", true, true, false)
}
// LgetAllSubDirs returns all subdirectories of given root path, including
// following symbolic links, if any.
// Slice does not include given path itself.
func LgetAllSubDirs(rootPath string) ([]string, error) {
if !IsDir(rootPath) {
return nil, errors.New("not a directory or does not exist: " + rootPath)
}
return statDir(rootPath, "", true, true, true)
} }
// GetFileListBySuffix returns an ordered list of file paths. // GetFileListBySuffix returns an ordered list of file paths.

8
vendor/github.com/Unknwon/com/go.mod generated vendored Normal file
View File

@ -0,0 +1,8 @@
module github.com/Unknwon/com
require (
github.com/gopherjs/gopherjs v0.0.0-20181103185306-d547d1d9531e // indirect
github.com/jtolds/gls v4.2.1+incompatible // indirect
github.com/smartystreets/assertions v0.0.0-20190116191733-b6c0e53d7304 // indirect
github.com/smartystreets/goconvey v0.0.0-20181108003508-044398e4856c
)

8
vendor/github.com/Unknwon/com/go.sum generated vendored Normal file
View File

@ -0,0 +1,8 @@
github.com/gopherjs/gopherjs v0.0.0-20181103185306-d547d1d9531e h1:JKmoR8x90Iww1ks85zJ1lfDGgIiMDuIptTOhJq+zKyg=
github.com/gopherjs/gopherjs v0.0.0-20181103185306-d547d1d9531e/go.mod h1:wJfORRmW1u3UXTncJ5qlYoELFm8eSnnEO6hX4iZ3EWY=
github.com/jtolds/gls v4.2.1+incompatible h1:fSuqC+Gmlu6l/ZYAoZzx2pyucC8Xza35fpRVWLVmUEE=
github.com/jtolds/gls v4.2.1+incompatible/go.mod h1:QJZ7F/aHp+rZTRtaJ1ow/lLfFfVYBRgL+9YlvaHOwJU=
github.com/smartystreets/assertions v0.0.0-20190116191733-b6c0e53d7304 h1:Jpy1PXuP99tXNrhbq2BaPz9B+jNAvH1JPQQpG/9GCXY=
github.com/smartystreets/assertions v0.0.0-20190116191733-b6c0e53d7304/go.mod h1:OnSkiWE9lh6wB0YB77sQom3nweQdgAjqCqsofrRNTgc=
github.com/smartystreets/goconvey v0.0.0-20181108003508-044398e4856c h1:Ho+uVpkel/udgjbwB5Lktg9BtvJSh2DT0Hi6LPSyI2w=
github.com/smartystreets/goconvey v0.0.0-20181108003508-044398e4856c/go.mod h1:XDJAKZRPZ1CvBcN2aX5YOUTYGHki24fSF0Iv48Ibg0s=

View File

@ -36,7 +36,7 @@ func HtmlEncode(str string) string {
return html.EscapeString(str) return html.EscapeString(str)
} }
// decode string to html chars // HtmlDecode decodes string to html chars
func HtmlDecode(str string) string { func HtmlDecode(str string) string {
return html.UnescapeString(str) return html.UnescapeString(str)
} }

View File

@ -177,7 +177,7 @@ func FetchFiles(client *http.Client, files []RawFile, header http.Header) error
return nil return nil
} }
// FetchFiles uses command `curl` to fetch files specified by the rawURL field in parallel. // FetchFilesCurl uses command `curl` to fetch files specified by the rawURL field in parallel.
func FetchFilesCurl(files []RawFile, curlOptions ...string) error { func FetchFilesCurl(files []RawFile, curlOptions ...string) error {
ch := make(chan error, len(files)) ch := make(chan error, len(files))
for i := range files { for i := range files {

View File

@ -14,12 +14,12 @@
package com package com
// PowInt is int type of math.Pow function. // PowInt is int type of math.Pow function.
func PowInt(x int, y int) int { func PowInt(x int, y int) int {
if y <= 0 { if y <= 0 {
return 1 return 1
} else { } else {
if y % 2 == 0 { if y%2 == 0 {
sqrt := PowInt(x, y/2) sqrt := PowInt(x, y/2)
return sqrt * sqrt return sqrt * sqrt
} else { } else {

View File

@ -37,19 +37,19 @@ func init() {
regex_url = regexp.MustCompile(regex_url_pattern) regex_url = regexp.MustCompile(regex_url_pattern)
} }
// validate string is an email address, if not return false // IsEmail validates string is an email address, if not return false
// basically validation can match 99% cases // basically validation can match 99% cases
func IsEmail(email string) bool { func IsEmail(email string) bool {
return regex_email.MatchString(email) return regex_email.MatchString(email)
} }
// validate string is an email address, if not return false // IsEmailRFC validates string is an email address, if not return false
// this validation omits RFC 2822 // this validation omits RFC 2822
func IsEmailRFC(email string) bool { func IsEmailRFC(email string) bool {
return regex_strict_email.MatchString(email) return regex_strict_email.MatchString(email)
} }
// validate string is a url link, if not return false // IsUrl validates string is a url link, if not return false
// simple validation can match 99% cases // simple validation can match 99% cases
func IsUrl(url string) bool { func IsUrl(url string) bool {
return regex_url.MatchString(url) return regex_url.MatchString(url)

View File

@ -44,7 +44,7 @@ func CompareSliceStr(s1, s2 []string) bool {
return true return true
} }
// CompareSliceStr compares two 'string' type slices. // CompareSliceStrU compares two 'string' type slices.
// It returns true if elements are the same, and ignores the order. // It returns true if elements are the same, and ignores the order.
func CompareSliceStrU(s1, s2 []string) bool { func CompareSliceStrU(s1, s2 []string) bool {
if len(s1) != len(s2) { if len(s1) != len(s2) {

12
vendor/github.com/go-macaron/cors/.gitignore generated vendored Normal file
View File

@ -0,0 +1,12 @@
# Binaries for programs and plugins
*.exe
*.exe~
*.dll
*.so
*.dylib
# Test binary, build with `go test -c`
*.test
# Output of the go coverage tool, specifically when used with LiteIDE
*.out

201
vendor/github.com/go-macaron/cors/LICENSE generated vendored Normal file
View File

@ -0,0 +1,201 @@
Apache License
Version 2.0, January 2004
http://www.apache.org/licenses/
TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
1. Definitions.
"License" shall mean the terms and conditions for use, reproduction,
and distribution as defined by Sections 1 through 9 of this document.
"Licensor" shall mean the copyright owner or entity authorized by
the copyright owner that is granting the License.
"Legal Entity" shall mean the union of the acting entity and all
other entities that control, are controlled by, or are under common
control with that entity. For the purposes of this definition,
"control" means (i) the power, direct or indirect, to cause the
direction or management of such entity, whether by contract or
otherwise, or (ii) ownership of fifty percent (50%) or more of the
outstanding shares, or (iii) beneficial ownership of such entity.
"You" (or "Your") shall mean an individual or Legal Entity
exercising permissions granted by this License.
"Source" form shall mean the preferred form for making modifications,
including but not limited to software source code, documentation
source, and configuration files.
"Object" form shall mean any form resulting from mechanical
transformation or translation of a Source form, including but
not limited to compiled object code, generated documentation,
and conversions to other media types.
"Work" shall mean the work of authorship, whether in Source or
Object form, made available under the License, as indicated by a
copyright notice that is included in or attached to the work
(an example is provided in the Appendix below).
"Derivative Works" shall mean any work, whether in Source or Object
form, that is based on (or derived from) the Work and for which the
editorial revisions, annotations, elaborations, or other modifications
represent, as a whole, an original work of authorship. For the purposes
of this License, Derivative Works shall not include works that remain
separable from, or merely link (or bind by name) to the interfaces of,
the Work and Derivative Works thereof.
"Contribution" shall mean any work of authorship, including
the original version of the Work and any modifications or additions
to that Work or Derivative Works thereof, that is intentionally
submitted to Licensor for inclusion in the Work by the copyright owner
or by an individual or Legal Entity authorized to submit on behalf of
the copyright owner. For the purposes of this definition, "submitted"
means any form of electronic, verbal, or written communication sent
to the Licensor or its representatives, including but not limited to
communication on electronic mailing lists, source code control systems,
and issue tracking systems that are managed by, or on behalf of, the
Licensor for the purpose of discussing and improving the Work, but
excluding communication that is conspicuously marked or otherwise
designated in writing by the copyright owner as "Not a Contribution."
"Contributor" shall mean Licensor and any individual or Legal Entity
on behalf of whom a Contribution has been received by Licensor and
subsequently incorporated within the Work.
2. Grant of Copyright License. Subject to the terms and conditions of
this License, each Contributor hereby grants to You a perpetual,
worldwide, non-exclusive, no-charge, royalty-free, irrevocable
copyright license to reproduce, prepare Derivative Works of,
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2
vendor/github.com/go-macaron/cors/README.md generated vendored Normal file
View File

@ -0,0 +1,2 @@
# cors
Package cors is a middleware that handles CORS requests &amp; headers for Macaron.

139
vendor/github.com/go-macaron/cors/cors.go generated vendored Normal file
View File

@ -0,0 +1,139 @@
package cors
import (
"fmt"
"log"
"net/http"
"net/url"
"strconv"
"strings"
macaron "gopkg.in/macaron.v1"
)
const _VERSION = "0.1.0"
func Version() string {
return _VERSION
}
// Options represents a struct for specifying configuration options for the CORS middleware.
type Options struct {
Section string
Scheme string
AllowDomain string
AllowSubdomain bool
Methods []string
MaxAgeSeconds int
AllowCredentials bool
}
func prepareOptions(options []Options) Options {
var opt Options
if len(options) > 0 {
opt = options[0]
}
if len(opt.Section) == 0 {
opt.Section = "cors"
}
sec := macaron.Config().Section(opt.Section)
if len(opt.Scheme) == 0 {
opt.Scheme = sec.Key("SCHEME").MustString("http")
}
if len(opt.AllowDomain) == 0 {
opt.AllowDomain = sec.Key("ALLOW_DOMAIN").MustString("*")
}
if !opt.AllowSubdomain {
opt.AllowSubdomain = sec.Key("ALLOW_SUBDOMAIN").MustBool(false)
}
if len(opt.Methods) == 0 {
opt.Methods = sec.Key("METHODS").Strings(",")
if len(opt.Methods) == 0 {
opt.Methods = []string{
http.MethodGet,
http.MethodHead,
http.MethodPost,
http.MethodPut,
http.MethodPatch,
http.MethodDelete,
http.MethodOptions,
}
}
}
if opt.MaxAgeSeconds <= 0 {
// cache options response for 600 secs
// ref: https://stackoverflow.com/questions/54300997/is-it-possible-to-cache-http-options-response?noredirect=1#comment95790277_54300997
// ref: https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Access-Control-Max-Age
opt.MaxAgeSeconds = sec.Key("MAX_AGE_SECONDS").MustInt(600)
}
if !opt.AllowCredentials {
opt.AllowCredentials = sec.Key("ALLOW_CREDENTIALS").MustBool(true)
}
return opt
}
// https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Access-Control-Allow-Origin
// https://fetch.spec.whatwg.org/#cors-protocol-and-credentials
// For requests without credentials, the server may specify "*" as a wildcard, thereby allowing any origin to access the resource.
func CORS(options ...Options) macaron.Handler {
opt := prepareOptions(options)
return func(ctx *macaron.Context, log *log.Logger) {
reqOptions := ctx.Req.Method == http.MethodOptions
headers := map[string]string{
"access-control-allow-methods": strings.Join(opt.Methods, ","),
"access-control-allow-headers": ctx.Req.Header.Get("access-control-request-headers"),
"access-control-max-age": strconv.Itoa(opt.MaxAgeSeconds),
}
if opt.AllowDomain == "*" {
headers["access-control-allow-origin"] = "*"
} else if opt.AllowDomain != "" {
origin := ctx.Req.Header.Get("Origin")
if reqOptions && origin == "" {
respErrorf(ctx, log, http.StatusBadRequest, "missing origin header in CORS request")
return
}
u, err := url.Parse(origin)
if err != nil {
respErrorf(ctx, log, http.StatusBadRequest, "Failed to parse CORS origin header. Reason: %v", err)
return
}
ok := u.Hostname() == opt.AllowDomain ||
(opt.AllowSubdomain && strings.HasSuffix(u.Hostname(), "."+opt.AllowDomain))
if ok {
u.Scheme = opt.Scheme
headers["access-control-allow-origin"] = u.String()
headers["access-control-allow-credentials"] = strconv.FormatBool(opt.AllowCredentials)
headers["vary"] = "Origin"
}
if reqOptions && !ok {
respErrorf(ctx, log, http.StatusBadRequest, "CORS request from prohibited domain %v", origin)
return
}
}
ctx.Resp.Before(func(w macaron.ResponseWriter) {
for k, v := range headers {
w.Header().Set(k, v)
}
})
if reqOptions {
ctx.Status(200) // return response
}
}
}
func respErrorf(ctx *macaron.Context, log *log.Logger, statusCode int, format string, a ...interface{}) {
msg := fmt.Sprintf(format, a...)
log.Println(msg)
ctx.WriteHeader(statusCode)
_, err := ctx.Write([]byte(msg))
if err != nil {
panic(err)
}
return
}

11
vendor/github.com/go-macaron/cors/go.mod generated vendored Normal file
View File

@ -0,0 +1,11 @@
module github.com/go-macaron/cors
go 1.12
require (
github.com/Unknwon/com v0.0.0-20190321035513-0fed4efef755 // indirect
github.com/go-macaron/inject v0.0.0-20160627170012-d8a0b8677191 // indirect
golang.org/x/crypto v0.0.0-20190418165655-df01cb2cc480 // indirect
gopkg.in/ini.v1 v1.42.0 // indirect
gopkg.in/macaron.v1 v1.3.2
)

19
vendor/github.com/go-macaron/cors/go.sum generated vendored Normal file
View File

@ -0,0 +1,19 @@
github.com/Unknwon/com v0.0.0-20190321035513-0fed4efef755 h1:1B7wb36fHLSwZfHg6ngZhhtIEHQjiC5H4p7qQGBEffg=
github.com/Unknwon/com v0.0.0-20190321035513-0fed4efef755/go.mod h1:voKvFVpXBJxdIPeqjoJuLK+UVcRlo/JLjeToGxPYu68=
github.com/go-macaron/inject v0.0.0-20160627170012-d8a0b8677191 h1:NjHlg70DuOkcAMqgt0+XA+NHwtu66MkTVVgR4fFWbcI=
github.com/go-macaron/inject v0.0.0-20160627170012-d8a0b8677191/go.mod h1:VFI2o2q9kYsC4o7VP1HrEVosiZZTd+MVT3YZx4gqvJw=
github.com/gopherjs/gopherjs v0.0.0-20181103185306-d547d1d9531e h1:JKmoR8x90Iww1ks85zJ1lfDGgIiMDuIptTOhJq+zKyg=
github.com/gopherjs/gopherjs v0.0.0-20181103185306-d547d1d9531e/go.mod h1:wJfORRmW1u3UXTncJ5qlYoELFm8eSnnEO6hX4iZ3EWY=
github.com/jtolds/gls v4.2.1+incompatible h1:fSuqC+Gmlu6l/ZYAoZzx2pyucC8Xza35fpRVWLVmUEE=
github.com/jtolds/gls v4.2.1+incompatible/go.mod h1:QJZ7F/aHp+rZTRtaJ1ow/lLfFfVYBRgL+9YlvaHOwJU=
github.com/smartystreets/assertions v0.0.0-20190116191733-b6c0e53d7304 h1:Jpy1PXuP99tXNrhbq2BaPz9B+jNAvH1JPQQpG/9GCXY=
github.com/smartystreets/assertions v0.0.0-20190116191733-b6c0e53d7304/go.mod h1:OnSkiWE9lh6wB0YB77sQom3nweQdgAjqCqsofrRNTgc=
github.com/smartystreets/goconvey v0.0.0-20181108003508-044398e4856c h1:Ho+uVpkel/udgjbwB5Lktg9BtvJSh2DT0Hi6LPSyI2w=
github.com/smartystreets/goconvey v0.0.0-20181108003508-044398e4856c/go.mod h1:XDJAKZRPZ1CvBcN2aX5YOUTYGHki24fSF0Iv48Ibg0s=
golang.org/x/crypto v0.0.0-20190418165655-df01cb2cc480 h1:O5YqonU5IWby+w98jVUG9h7zlCWCcH4RHyPVReBmhzk=
golang.org/x/crypto v0.0.0-20190418165655-df01cb2cc480/go.mod h1:WFFai1msRO1wXaEeE5yQxYXgSfI8pQAWXbQop6sCtWE=
golang.org/x/sys v0.0.0-20190403152447-81d4e9dc473e/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
gopkg.in/ini.v1 v1.42.0 h1:7N3gPTt50s8GuLortA00n8AqRTk75qOP98+mTPpgzRk=
gopkg.in/ini.v1 v1.42.0/go.mod h1:pNLf8WUiyNEtQjuu5G5vTm06TEv9tsIgeAvK8hOrP4k=
gopkg.in/macaron.v1 v1.3.2 h1:AvWIaPmwBUA87/OWzePkoxeaw6YJWDfBt1pDFPBnLf8=
gopkg.in/macaron.v1 v1.3.2/go.mod h1:PrsiawTWAGZs6wFbT5hlr7SQ2Ns9h7cUVtcUu4lQOVo=

View File

@ -77,6 +77,10 @@ const (
type Client struct { type Client struct {
// Key is the account key used to register with a CA and sign requests. // Key is the account key used to register with a CA and sign requests.
// Key.Public() must return a *rsa.PublicKey or *ecdsa.PublicKey. // Key.Public() must return a *rsa.PublicKey or *ecdsa.PublicKey.
//
// The following algorithms are supported:
// RS256, ES256, ES384 and ES512.
// See RFC7518 for more details about the algorithms.
Key crypto.Signer Key crypto.Signer
// HTTPClient optionally specifies an HTTP client to use // HTTPClient optionally specifies an HTTP client to use
@ -124,11 +128,7 @@ func (c *Client) Discover(ctx context.Context) (Directory, error) {
return *c.dir, nil return *c.dir, nil
} }
dirURL := c.DirectoryURL res, err := c.get(ctx, c.directoryURL(), wantStatus(http.StatusOK))
if dirURL == "" {
dirURL = LetsEncryptURL
}
res, err := c.get(ctx, dirURL, wantStatus(http.StatusOK))
if err != nil { if err != nil {
return Directory{}, err return Directory{}, err
} }
@ -161,6 +161,13 @@ func (c *Client) Discover(ctx context.Context) (Directory, error) {
return *c.dir, nil return *c.dir, nil
} }
func (c *Client) directoryURL() string {
if c.DirectoryURL != "" {
return c.DirectoryURL
}
return LetsEncryptURL
}
// CreateCert requests a new certificate using the Certificate Signing Request csr encoded in DER format. // CreateCert requests a new certificate using the Certificate Signing Request csr encoded in DER format.
// The exp argument indicates the desired certificate validity duration. CA may issue a certificate // The exp argument indicates the desired certificate validity duration. CA may issue a certificate
// with a different duration. // with a different duration.
@ -319,6 +326,20 @@ func (c *Client) UpdateReg(ctx context.Context, a *Account) (*Account, error) {
// a valid authorization (Authorization.Status is StatusValid). If so, the caller // a valid authorization (Authorization.Status is StatusValid). If so, the caller
// need not fulfill any challenge and can proceed to requesting a certificate. // need not fulfill any challenge and can proceed to requesting a certificate.
func (c *Client) Authorize(ctx context.Context, domain string) (*Authorization, error) { func (c *Client) Authorize(ctx context.Context, domain string) (*Authorization, error) {
return c.authorize(ctx, "dns", domain)
}
// AuthorizeIP is the same as Authorize but requests IP address authorization.
// Clients which successfully obtain such authorization may request to issue
// a certificate for IP addresses.
//
// See the ACME spec extension for more details about IP address identifiers:
// https://tools.ietf.org/html/draft-ietf-acme-ip.
func (c *Client) AuthorizeIP(ctx context.Context, ipaddr string) (*Authorization, error) {
return c.authorize(ctx, "ip", ipaddr)
}
func (c *Client) authorize(ctx context.Context, typ, val string) (*Authorization, error) {
if _, err := c.Discover(ctx); err != nil { if _, err := c.Discover(ctx); err != nil {
return nil, err return nil, err
} }
@ -332,7 +353,7 @@ func (c *Client) Authorize(ctx context.Context, domain string) (*Authorization,
Identifier authzID `json:"identifier"` Identifier authzID `json:"identifier"`
}{ }{
Resource: "new-authz", Resource: "new-authz",
Identifier: authzID{Type: "dns", Value: domain}, Identifier: authzID{Type: typ, Value: val},
} }
res, err := c.post(ctx, c.Key, c.dir.AuthzURL, req, wantStatus(http.StatusCreated)) res, err := c.post(ctx, c.Key, c.dir.AuthzURL, req, wantStatus(http.StatusCreated))
if err != nil { if err != nil {
@ -693,12 +714,18 @@ func (c *Client) doReg(ctx context.Context, url string, typ string, acct *Accoun
} }
// popNonce returns a nonce value previously stored with c.addNonce // popNonce returns a nonce value previously stored with c.addNonce
// or fetches a fresh one from the given URL. // or fetches a fresh one from a URL by issuing a HEAD request.
// It first tries c.directoryURL() and then the provided url if the former fails.
func (c *Client) popNonce(ctx context.Context, url string) (string, error) { func (c *Client) popNonce(ctx context.Context, url string) (string, error) {
c.noncesMu.Lock() c.noncesMu.Lock()
defer c.noncesMu.Unlock() defer c.noncesMu.Unlock()
if len(c.nonces) == 0 { if len(c.nonces) == 0 {
return c.fetchNonce(ctx, url) dirURL := c.directoryURL()
v, err := c.fetchNonce(ctx, dirURL)
if err != nil && url != dirURL {
v, err = c.fetchNonce(ctx, url)
}
return v, err
} }
var nonce string var nonce string
for nonce = range c.nonces { for nonce = range c.nonces {

View File

@ -69,7 +69,7 @@ func HostWhitelist(hosts ...string) HostPolicy {
} }
return func(_ context.Context, host string) error { return func(_ context.Context, host string) error {
if !whitelist[host] { if !whitelist[host] {
return errors.New("acme/autocert: host not configured") return fmt.Errorf("acme/autocert: host %q not configured in HostWhitelist", host)
} }
return nil return nil
} }

View File

@ -25,7 +25,7 @@ func jwsEncodeJSON(claimset interface{}, key crypto.Signer, nonce string) ([]byt
if err != nil { if err != nil {
return nil, err return nil, err
} }
alg, sha := jwsHasher(key) alg, sha := jwsHasher(key.Public())
if alg == "" || !sha.Available() { if alg == "" || !sha.Available() {
return nil, ErrUnsupportedKey return nil, ErrUnsupportedKey
} }
@ -97,13 +97,16 @@ func jwkEncode(pub crypto.PublicKey) (string, error) {
} }
// jwsSign signs the digest using the given key. // jwsSign signs the digest using the given key.
// It returns ErrUnsupportedKey if the key type is unknown. // The hash is unused for ECDSA keys.
// The hash is used only for RSA keys. //
// Note: non-stdlib crypto.Signer implementations are expected to return
// the signature in the format as specified in RFC7518.
// See https://tools.ietf.org/html/rfc7518 for more details.
func jwsSign(key crypto.Signer, hash crypto.Hash, digest []byte) ([]byte, error) { func jwsSign(key crypto.Signer, hash crypto.Hash, digest []byte) ([]byte, error) {
switch key := key.(type) { if key, ok := key.(*ecdsa.PrivateKey); ok {
case *rsa.PrivateKey: // The key.Sign method of ecdsa returns ASN1-encoded signature.
return key.Sign(rand.Reader, digest, hash) // So, we use the package Sign function instead
case *ecdsa.PrivateKey: // to get R and S values directly and format the result accordingly.
r, s, err := ecdsa.Sign(rand.Reader, key, digest) r, s, err := ecdsa.Sign(rand.Reader, key, digest)
if err != nil { if err != nil {
return nil, err return nil, err
@ -118,18 +121,18 @@ func jwsSign(key crypto.Signer, hash crypto.Hash, digest []byte) ([]byte, error)
copy(sig[size*2-len(sb):], sb) copy(sig[size*2-len(sb):], sb)
return sig, nil return sig, nil
} }
return nil, ErrUnsupportedKey return key.Sign(rand.Reader, digest, hash)
} }
// jwsHasher indicates suitable JWS algorithm name and a hash function // jwsHasher indicates suitable JWS algorithm name and a hash function
// to use for signing a digest with the provided key. // to use for signing a digest with the provided key.
// It returns ("", 0) if the key is not supported. // It returns ("", 0) if the key is not supported.
func jwsHasher(key crypto.Signer) (string, crypto.Hash) { func jwsHasher(pub crypto.PublicKey) (string, crypto.Hash) {
switch key := key.(type) { switch pub := pub.(type) {
case *rsa.PrivateKey: case *rsa.PublicKey:
return "RS256", crypto.SHA256 return "RS256", crypto.SHA256
case *ecdsa.PrivateKey: case *ecdsa.PublicKey:
switch key.Params().Name { switch pub.Params().Name {
case "P-256": case "P-256":
return "ES256", crypto.SHA256 return "ES256", crypto.SHA256
case "P-384": case "P-384":

View File

@ -3,6 +3,14 @@
// license that can be found in the LICENSE file. // license that can be found in the LICENSE file.
// Package blowfish implements Bruce Schneier's Blowfish encryption algorithm. // Package blowfish implements Bruce Schneier's Blowfish encryption algorithm.
//
// Blowfish is a legacy cipher and its short block size makes it vulnerable to
// birthday bound attacks (see https://sweet32.info). It should only be used
// where compatibility with legacy systems, not security, is the goal.
//
// Deprecated: any new system should use AES (from crypto/aes, if necessary in
// an AEAD mode like crypto/cipher.NewGCM) or XChaCha20-Poly1305 (from
// golang.org/x/crypto/chacha20poly1305).
package blowfish // import "golang.org/x/crypto/blowfish" package blowfish // import "golang.org/x/crypto/blowfish"
// The code is a port of Bruce Schneier's C implementation. // The code is a port of Bruce Schneier's C implementation.

View File

@ -2,8 +2,15 @@
// Use of this source code is governed by a BSD-style // Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file. // license that can be found in the LICENSE file.
// Package cast5 implements CAST5, as defined in RFC 2144. CAST5 is a common // Package cast5 implements CAST5, as defined in RFC 2144.
// OpenPGP cipher. //
// CAST5 is a legacy cipher and its short block size makes it vulnerable to
// birthday bound attacks (see https://sweet32.info). It should only be used
// where compatibility with legacy systems, not security, is the goal.
//
// Deprecated: any new system should use AES (from crypto/aes, if necessary in
// an AEAD mode like crypto/cipher.NewGCM) or XChaCha20-Poly1305 (from
// golang.org/x/crypto/chacha20poly1305).
package cast5 // import "golang.org/x/crypto/cast5" package cast5 // import "golang.org/x/crypto/cast5"
import "errors" import "errors"

View File

@ -86,7 +86,7 @@ func feFromBytes(dst *fieldElement, src *[32]byte) {
h6 := load3(src[20:]) << 7 h6 := load3(src[20:]) << 7
h7 := load3(src[23:]) << 5 h7 := load3(src[23:]) << 5
h8 := load3(src[26:]) << 4 h8 := load3(src[26:]) << 4
h9 := load3(src[29:]) << 2 h9 := (load3(src[29:]) & 0x7fffff) << 2
var carry [10]int64 var carry [10]int64
carry[9] = (h9 + 1<<24) >> 25 carry[9] = (h9 + 1<<24) >> 25

View File

@ -121,18 +121,18 @@ TEXT ·ladderstep(SB),0,$296-8
ADDQ AX,R12 ADDQ AX,R12
ADCQ DX,R13 ADCQ DX,R13
MOVQ $REDMASK51,DX MOVQ $REDMASK51,DX
SHLQ $13,CX:SI SHLQ $13,SI,CX
ANDQ DX,SI ANDQ DX,SI
SHLQ $13,R9:R8 SHLQ $13,R8,R9
ANDQ DX,R8 ANDQ DX,R8
ADDQ CX,R8 ADDQ CX,R8
SHLQ $13,R11:R10 SHLQ $13,R10,R11
ANDQ DX,R10 ANDQ DX,R10
ADDQ R9,R10 ADDQ R9,R10
SHLQ $13,R13:R12 SHLQ $13,R12,R13
ANDQ DX,R12 ANDQ DX,R12
ADDQ R11,R12 ADDQ R11,R12
SHLQ $13,R15:R14 SHLQ $13,R14,R15
ANDQ DX,R14 ANDQ DX,R14
ADDQ R13,R14 ADDQ R13,R14
IMUL3Q $19,R15,CX IMUL3Q $19,R15,CX
@ -236,18 +236,18 @@ TEXT ·ladderstep(SB),0,$296-8
ADDQ AX,R12 ADDQ AX,R12
ADCQ DX,R13 ADCQ DX,R13
MOVQ $REDMASK51,DX MOVQ $REDMASK51,DX
SHLQ $13,CX:SI SHLQ $13,SI,CX
ANDQ DX,SI ANDQ DX,SI
SHLQ $13,R9:R8 SHLQ $13,R8,R9
ANDQ DX,R8 ANDQ DX,R8
ADDQ CX,R8 ADDQ CX,R8
SHLQ $13,R11:R10 SHLQ $13,R10,R11
ANDQ DX,R10 ANDQ DX,R10
ADDQ R9,R10 ADDQ R9,R10
SHLQ $13,R13:R12 SHLQ $13,R12,R13
ANDQ DX,R12 ANDQ DX,R12
ADDQ R11,R12 ADDQ R11,R12
SHLQ $13,R15:R14 SHLQ $13,R14,R15
ANDQ DX,R14 ANDQ DX,R14
ADDQ R13,R14 ADDQ R13,R14
IMUL3Q $19,R15,CX IMUL3Q $19,R15,CX
@ -441,18 +441,18 @@ TEXT ·ladderstep(SB),0,$296-8
ADDQ AX,R12 ADDQ AX,R12
ADCQ DX,R13 ADCQ DX,R13
MOVQ $REDMASK51,DX MOVQ $REDMASK51,DX
SHLQ $13,CX:SI SHLQ $13,SI,CX
ANDQ DX,SI ANDQ DX,SI
SHLQ $13,R9:R8 SHLQ $13,R8,R9
ANDQ DX,R8 ANDQ DX,R8
ADDQ CX,R8 ADDQ CX,R8
SHLQ $13,R11:R10 SHLQ $13,R10,R11
ANDQ DX,R10 ANDQ DX,R10
ADDQ R9,R10 ADDQ R9,R10
SHLQ $13,R13:R12 SHLQ $13,R12,R13
ANDQ DX,R12 ANDQ DX,R12
ADDQ R11,R12 ADDQ R11,R12
SHLQ $13,R15:R14 SHLQ $13,R14,R15
ANDQ DX,R14 ANDQ DX,R14
ADDQ R13,R14 ADDQ R13,R14
IMUL3Q $19,R15,CX IMUL3Q $19,R15,CX
@ -591,18 +591,18 @@ TEXT ·ladderstep(SB),0,$296-8
ADDQ AX,R12 ADDQ AX,R12
ADCQ DX,R13 ADCQ DX,R13
MOVQ $REDMASK51,DX MOVQ $REDMASK51,DX
SHLQ $13,CX:SI SHLQ $13,SI,CX
ANDQ DX,SI ANDQ DX,SI
SHLQ $13,R9:R8 SHLQ $13,R8,R9
ANDQ DX,R8 ANDQ DX,R8
ADDQ CX,R8 ADDQ CX,R8
SHLQ $13,R11:R10 SHLQ $13,R10,R11
ANDQ DX,R10 ANDQ DX,R10
ADDQ R9,R10 ADDQ R9,R10
SHLQ $13,R13:R12 SHLQ $13,R12,R13
ANDQ DX,R12 ANDQ DX,R12
ADDQ R11,R12 ADDQ R11,R12
SHLQ $13,R15:R14 SHLQ $13,R14,R15
ANDQ DX,R14 ANDQ DX,R14
ADDQ R13,R14 ADDQ R13,R14
IMUL3Q $19,R15,CX IMUL3Q $19,R15,CX
@ -731,18 +731,18 @@ TEXT ·ladderstep(SB),0,$296-8
ADDQ AX,R12 ADDQ AX,R12
ADCQ DX,R13 ADCQ DX,R13
MOVQ $REDMASK51,DX MOVQ $REDMASK51,DX
SHLQ $13,CX:SI SHLQ $13,SI,CX
ANDQ DX,SI ANDQ DX,SI
SHLQ $13,R9:R8 SHLQ $13,R8,R9
ANDQ DX,R8 ANDQ DX,R8
ADDQ CX,R8 ADDQ CX,R8
SHLQ $13,R11:R10 SHLQ $13,R10,R11
ANDQ DX,R10 ANDQ DX,R10
ADDQ R9,R10 ADDQ R9,R10
SHLQ $13,R13:R12 SHLQ $13,R12,R13
ANDQ DX,R12 ANDQ DX,R12
ADDQ R11,R12 ADDQ R11,R12
SHLQ $13,R15:R14 SHLQ $13,R14,R15
ANDQ DX,R14 ANDQ DX,R14
ADDQ R13,R14 ADDQ R13,R14
IMUL3Q $19,R15,CX IMUL3Q $19,R15,CX
@ -846,18 +846,18 @@ TEXT ·ladderstep(SB),0,$296-8
ADDQ AX,R12 ADDQ AX,R12
ADCQ DX,R13 ADCQ DX,R13
MOVQ $REDMASK51,DX MOVQ $REDMASK51,DX
SHLQ $13,CX:SI SHLQ $13,SI,CX
ANDQ DX,SI ANDQ DX,SI
SHLQ $13,R9:R8 SHLQ $13,R8,R9
ANDQ DX,R8 ANDQ DX,R8
ADDQ CX,R8 ADDQ CX,R8
SHLQ $13,R11:R10 SHLQ $13,R10,R11
ANDQ DX,R10 ANDQ DX,R10
ADDQ R9,R10 ADDQ R9,R10
SHLQ $13,R13:R12 SHLQ $13,R12,R13
ANDQ DX,R12 ANDQ DX,R12
ADDQ R11,R12 ADDQ R11,R12
SHLQ $13,R15:R14 SHLQ $13,R14,R15
ANDQ DX,R14 ANDQ DX,R14
ADDQ R13,R14 ADDQ R13,R14
IMUL3Q $19,R15,CX IMUL3Q $19,R15,CX
@ -996,18 +996,18 @@ TEXT ·ladderstep(SB),0,$296-8
ADDQ AX,R12 ADDQ AX,R12
ADCQ DX,R13 ADCQ DX,R13
MOVQ $REDMASK51,DX MOVQ $REDMASK51,DX
SHLQ $13,CX:SI SHLQ $13,SI,CX
ANDQ DX,SI ANDQ DX,SI
SHLQ $13,R9:R8 SHLQ $13,R8,R9
ANDQ DX,R8 ANDQ DX,R8
ADDQ CX,R8 ADDQ CX,R8
SHLQ $13,R11:R10 SHLQ $13,R10,R11
ANDQ DX,R10 ANDQ DX,R10
ADDQ R9,R10 ADDQ R9,R10
SHLQ $13,R13:R12 SHLQ $13,R12,R13
ANDQ DX,R12 ANDQ DX,R12
ADDQ R11,R12 ADDQ R11,R12
SHLQ $13,R15:R14 SHLQ $13,R14,R15
ANDQ DX,R14 ANDQ DX,R14
ADDQ R13,R14 ADDQ R13,R14
IMUL3Q $19,R15,CX IMUL3Q $19,R15,CX
@ -1146,18 +1146,18 @@ TEXT ·ladderstep(SB),0,$296-8
ADDQ AX,R12 ADDQ AX,R12
ADCQ DX,R13 ADCQ DX,R13
MOVQ $REDMASK51,DX MOVQ $REDMASK51,DX
SHLQ $13,CX:SI SHLQ $13,SI,CX
ANDQ DX,SI ANDQ DX,SI
SHLQ $13,R9:R8 SHLQ $13,R8,R9
ANDQ DX,R8 ANDQ DX,R8
ADDQ CX,R8 ADDQ CX,R8
SHLQ $13,R11:R10 SHLQ $13,R10,R11
ANDQ DX,R10 ANDQ DX,R10
ADDQ R9,R10 ADDQ R9,R10
SHLQ $13,R13:R12 SHLQ $13,R12,R13
ANDQ DX,R12 ANDQ DX,R12
ADDQ R11,R12 ADDQ R11,R12
SHLQ $13,R15:R14 SHLQ $13,R14,R15
ANDQ DX,R14 ANDQ DX,R14
ADDQ R13,R14 ADDQ R13,R14
IMUL3Q $19,R15,CX IMUL3Q $19,R15,CX
@ -1332,18 +1332,18 @@ TEXT ·ladderstep(SB),0,$296-8
ADDQ AX,R12 ADDQ AX,R12
ADCQ DX,R13 ADCQ DX,R13
MOVQ $REDMASK51,DX MOVQ $REDMASK51,DX
SHLQ $13,CX:SI SHLQ $13,SI,CX
ANDQ DX,SI ANDQ DX,SI
SHLQ $13,R9:R8 SHLQ $13,R8,R9
ANDQ DX,R8 ANDQ DX,R8
ADDQ CX,R8 ADDQ CX,R8
SHLQ $13,R11:R10 SHLQ $13,R10,R11
ANDQ DX,R10 ANDQ DX,R10
ADDQ R9,R10 ADDQ R9,R10
SHLQ $13,R13:R12 SHLQ $13,R12,R13
ANDQ DX,R12 ANDQ DX,R12
ADDQ R11,R12 ADDQ R11,R12
SHLQ $13,R15:R14 SHLQ $13,R14,R15
ANDQ DX,R14 ANDQ DX,R14
ADDQ R13,R14 ADDQ R13,R14
IMUL3Q $19,R15,CX IMUL3Q $19,R15,CX

View File

@ -124,18 +124,18 @@ TEXT ·mul(SB),0,$16-24
ADDQ AX,R14 ADDQ AX,R14
ADCQ DX,R15 ADCQ DX,R15
MOVQ $REDMASK51,SI MOVQ $REDMASK51,SI
SHLQ $13,R9:R8 SHLQ $13,R8,R9
ANDQ SI,R8 ANDQ SI,R8
SHLQ $13,R11:R10 SHLQ $13,R10,R11
ANDQ SI,R10 ANDQ SI,R10
ADDQ R9,R10 ADDQ R9,R10
SHLQ $13,R13:R12 SHLQ $13,R12,R13
ANDQ SI,R12 ANDQ SI,R12
ADDQ R11,R12 ADDQ R11,R12
SHLQ $13,R15:R14 SHLQ $13,R14,R15
ANDQ SI,R14 ANDQ SI,R14
ADDQ R13,R14 ADDQ R13,R14
SHLQ $13,BP:BX SHLQ $13,BX,BP
ANDQ SI,BX ANDQ SI,BX
ADDQ R15,BX ADDQ R15,BX
IMUL3Q $19,BP,DX IMUL3Q $19,BP,DX

View File

@ -87,18 +87,18 @@ TEXT ·square(SB),7,$0-16
ADDQ AX,R13 ADDQ AX,R13
ADCQ DX,R14 ADCQ DX,R14
MOVQ $REDMASK51,SI MOVQ $REDMASK51,SI
SHLQ $13,R8:CX SHLQ $13,CX,R8
ANDQ SI,CX ANDQ SI,CX
SHLQ $13,R10:R9 SHLQ $13,R9,R10
ANDQ SI,R9 ANDQ SI,R9
ADDQ R8,R9 ADDQ R8,R9
SHLQ $13,R12:R11 SHLQ $13,R11,R12
ANDQ SI,R11 ANDQ SI,R11
ADDQ R10,R11 ADDQ R10,R11
SHLQ $13,R14:R13 SHLQ $13,R13,R14
ANDQ SI,R13 ANDQ SI,R13
ADDQ R12,R13 ADDQ R12,R13
SHLQ $13,BX:R15 SHLQ $13,R15,BX
ANDQ SI,R15 ANDQ SI,R15
ADDQ R14,R15 ADDQ R14,R15
IMUL3Q $19,BX,DX IMUL3Q $19,BX,DX

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@ -0,0 +1,308 @@
// 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 go1.11
// +build !gccgo,!appengine
#include "textflag.h"
#define NUM_ROUNDS 10
// func xorKeyStreamVX(dst, src []byte, key *[8]uint32, nonce *[3]uint32, counter *uint32)
TEXT ·xorKeyStreamVX(SB), NOSPLIT, $0
MOVD dst+0(FP), R1
MOVD src+24(FP), R2
MOVD src_len+32(FP), R3
MOVD key+48(FP), R4
MOVD nonce+56(FP), R6
MOVD counter+64(FP), R7
MOVD $·constants(SB), R10
MOVD $·incRotMatrix(SB), R11
MOVW (R7), R20
AND $~255, R3, R13
ADD R2, R13, R12 // R12 for block end
AND $255, R3, R13
loop:
MOVD $NUM_ROUNDS, R21
VLD1 (R11), [V30.S4, V31.S4]
// load contants
// VLD4R (R10), [V0.S4, V1.S4, V2.S4, V3.S4]
WORD $0x4D60E940
// load keys
// VLD4R 16(R4), [V4.S4, V5.S4, V6.S4, V7.S4]
WORD $0x4DFFE884
// VLD4R 16(R4), [V8.S4, V9.S4, V10.S4, V11.S4]
WORD $0x4DFFE888
SUB $32, R4
// load counter + nonce
// VLD1R (R7), [V12.S4]
WORD $0x4D40C8EC
// VLD3R (R6), [V13.S4, V14.S4, V15.S4]
WORD $0x4D40E8CD
// update counter
VADD V30.S4, V12.S4, V12.S4
chacha:
// V0..V3 += V4..V7
// V12..V15 <<<= ((V12..V15 XOR V0..V3), 16)
VADD V0.S4, V4.S4, V0.S4
VADD V1.S4, V5.S4, V1.S4
VADD V2.S4, V6.S4, V2.S4
VADD V3.S4, V7.S4, V3.S4
VEOR V12.B16, V0.B16, V12.B16
VEOR V13.B16, V1.B16, V13.B16
VEOR V14.B16, V2.B16, V14.B16
VEOR V15.B16, V3.B16, V15.B16
VREV32 V12.H8, V12.H8
VREV32 V13.H8, V13.H8
VREV32 V14.H8, V14.H8
VREV32 V15.H8, V15.H8
// V8..V11 += V12..V15
// V4..V7 <<<= ((V4..V7 XOR V8..V11), 12)
VADD V8.S4, V12.S4, V8.S4
VADD V9.S4, V13.S4, V9.S4
VADD V10.S4, V14.S4, V10.S4
VADD V11.S4, V15.S4, V11.S4
VEOR V8.B16, V4.B16, V16.B16
VEOR V9.B16, V5.B16, V17.B16
VEOR V10.B16, V6.B16, V18.B16
VEOR V11.B16, V7.B16, V19.B16
VSHL $12, V16.S4, V4.S4
VSHL $12, V17.S4, V5.S4
VSHL $12, V18.S4, V6.S4
VSHL $12, V19.S4, V7.S4
VSRI $20, V16.S4, V4.S4
VSRI $20, V17.S4, V5.S4
VSRI $20, V18.S4, V6.S4
VSRI $20, V19.S4, V7.S4
// V0..V3 += V4..V7
// V12..V15 <<<= ((V12..V15 XOR V0..V3), 8)
VADD V0.S4, V4.S4, V0.S4
VADD V1.S4, V5.S4, V1.S4
VADD V2.S4, V6.S4, V2.S4
VADD V3.S4, V7.S4, V3.S4
VEOR V12.B16, V0.B16, V12.B16
VEOR V13.B16, V1.B16, V13.B16
VEOR V14.B16, V2.B16, V14.B16
VEOR V15.B16, V3.B16, V15.B16
VTBL V31.B16, [V12.B16], V12.B16
VTBL V31.B16, [V13.B16], V13.B16
VTBL V31.B16, [V14.B16], V14.B16
VTBL V31.B16, [V15.B16], V15.B16
// V8..V11 += V12..V15
// V4..V7 <<<= ((V4..V7 XOR V8..V11), 7)
VADD V12.S4, V8.S4, V8.S4
VADD V13.S4, V9.S4, V9.S4
VADD V14.S4, V10.S4, V10.S4
VADD V15.S4, V11.S4, V11.S4
VEOR V8.B16, V4.B16, V16.B16
VEOR V9.B16, V5.B16, V17.B16
VEOR V10.B16, V6.B16, V18.B16
VEOR V11.B16, V7.B16, V19.B16
VSHL $7, V16.S4, V4.S4
VSHL $7, V17.S4, V5.S4
VSHL $7, V18.S4, V6.S4
VSHL $7, V19.S4, V7.S4
VSRI $25, V16.S4, V4.S4
VSRI $25, V17.S4, V5.S4
VSRI $25, V18.S4, V6.S4
VSRI $25, V19.S4, V7.S4
// V0..V3 += V5..V7, V4
// V15,V12-V14 <<<= ((V15,V12-V14 XOR V0..V3), 16)
VADD V0.S4, V5.S4, V0.S4
VADD V1.S4, V6.S4, V1.S4
VADD V2.S4, V7.S4, V2.S4
VADD V3.S4, V4.S4, V3.S4
VEOR V15.B16, V0.B16, V15.B16
VEOR V12.B16, V1.B16, V12.B16
VEOR V13.B16, V2.B16, V13.B16
VEOR V14.B16, V3.B16, V14.B16
VREV32 V12.H8, V12.H8
VREV32 V13.H8, V13.H8
VREV32 V14.H8, V14.H8
VREV32 V15.H8, V15.H8
// V10 += V15; V5 <<<= ((V10 XOR V5), 12)
// ...
VADD V15.S4, V10.S4, V10.S4
VADD V12.S4, V11.S4, V11.S4
VADD V13.S4, V8.S4, V8.S4
VADD V14.S4, V9.S4, V9.S4
VEOR V10.B16, V5.B16, V16.B16
VEOR V11.B16, V6.B16, V17.B16
VEOR V8.B16, V7.B16, V18.B16
VEOR V9.B16, V4.B16, V19.B16
VSHL $12, V16.S4, V5.S4
VSHL $12, V17.S4, V6.S4
VSHL $12, V18.S4, V7.S4
VSHL $12, V19.S4, V4.S4
VSRI $20, V16.S4, V5.S4
VSRI $20, V17.S4, V6.S4
VSRI $20, V18.S4, V7.S4
VSRI $20, V19.S4, V4.S4
// V0 += V5; V15 <<<= ((V0 XOR V15), 8)
// ...
VADD V5.S4, V0.S4, V0.S4
VADD V6.S4, V1.S4, V1.S4
VADD V7.S4, V2.S4, V2.S4
VADD V4.S4, V3.S4, V3.S4
VEOR V0.B16, V15.B16, V15.B16
VEOR V1.B16, V12.B16, V12.B16
VEOR V2.B16, V13.B16, V13.B16
VEOR V3.B16, V14.B16, V14.B16
VTBL V31.B16, [V12.B16], V12.B16
VTBL V31.B16, [V13.B16], V13.B16
VTBL V31.B16, [V14.B16], V14.B16
VTBL V31.B16, [V15.B16], V15.B16
// V10 += V15; V5 <<<= ((V10 XOR V5), 7)
// ...
VADD V15.S4, V10.S4, V10.S4
VADD V12.S4, V11.S4, V11.S4
VADD V13.S4, V8.S4, V8.S4
VADD V14.S4, V9.S4, V9.S4
VEOR V10.B16, V5.B16, V16.B16
VEOR V11.B16, V6.B16, V17.B16
VEOR V8.B16, V7.B16, V18.B16
VEOR V9.B16, V4.B16, V19.B16
VSHL $7, V16.S4, V5.S4
VSHL $7, V17.S4, V6.S4
VSHL $7, V18.S4, V7.S4
VSHL $7, V19.S4, V4.S4
VSRI $25, V16.S4, V5.S4
VSRI $25, V17.S4, V6.S4
VSRI $25, V18.S4, V7.S4
VSRI $25, V19.S4, V4.S4
SUB $1, R21
CBNZ R21, chacha
// VLD4R (R10), [V16.S4, V17.S4, V18.S4, V19.S4]
WORD $0x4D60E950
// VLD4R 16(R4), [V20.S4, V21.S4, V22.S4, V23.S4]
WORD $0x4DFFE894
VADD V30.S4, V12.S4, V12.S4
VADD V16.S4, V0.S4, V0.S4
VADD V17.S4, V1.S4, V1.S4
VADD V18.S4, V2.S4, V2.S4
VADD V19.S4, V3.S4, V3.S4
// VLD4R 16(R4), [V24.S4, V25.S4, V26.S4, V27.S4]
WORD $0x4DFFE898
// restore R4
SUB $32, R4
// load counter + nonce
// VLD1R (R7), [V28.S4]
WORD $0x4D40C8FC
// VLD3R (R6), [V29.S4, V30.S4, V31.S4]
WORD $0x4D40E8DD
VADD V20.S4, V4.S4, V4.S4
VADD V21.S4, V5.S4, V5.S4
VADD V22.S4, V6.S4, V6.S4
VADD V23.S4, V7.S4, V7.S4
VADD V24.S4, V8.S4, V8.S4
VADD V25.S4, V9.S4, V9.S4
VADD V26.S4, V10.S4, V10.S4
VADD V27.S4, V11.S4, V11.S4
VADD V28.S4, V12.S4, V12.S4
VADD V29.S4, V13.S4, V13.S4
VADD V30.S4, V14.S4, V14.S4
VADD V31.S4, V15.S4, V15.S4
VZIP1 V1.S4, V0.S4, V16.S4
VZIP2 V1.S4, V0.S4, V17.S4
VZIP1 V3.S4, V2.S4, V18.S4
VZIP2 V3.S4, V2.S4, V19.S4
VZIP1 V5.S4, V4.S4, V20.S4
VZIP2 V5.S4, V4.S4, V21.S4
VZIP1 V7.S4, V6.S4, V22.S4
VZIP2 V7.S4, V6.S4, V23.S4
VZIP1 V9.S4, V8.S4, V24.S4
VZIP2 V9.S4, V8.S4, V25.S4
VZIP1 V11.S4, V10.S4, V26.S4
VZIP2 V11.S4, V10.S4, V27.S4
VZIP1 V13.S4, V12.S4, V28.S4
VZIP2 V13.S4, V12.S4, V29.S4
VZIP1 V15.S4, V14.S4, V30.S4
VZIP2 V15.S4, V14.S4, V31.S4
VZIP1 V18.D2, V16.D2, V0.D2
VZIP2 V18.D2, V16.D2, V4.D2
VZIP1 V19.D2, V17.D2, V8.D2
VZIP2 V19.D2, V17.D2, V12.D2
VLD1.P 64(R2), [V16.B16, V17.B16, V18.B16, V19.B16]
VZIP1 V22.D2, V20.D2, V1.D2
VZIP2 V22.D2, V20.D2, V5.D2
VZIP1 V23.D2, V21.D2, V9.D2
VZIP2 V23.D2, V21.D2, V13.D2
VLD1.P 64(R2), [V20.B16, V21.B16, V22.B16, V23.B16]
VZIP1 V26.D2, V24.D2, V2.D2
VZIP2 V26.D2, V24.D2, V6.D2
VZIP1 V27.D2, V25.D2, V10.D2
VZIP2 V27.D2, V25.D2, V14.D2
VLD1.P 64(R2), [V24.B16, V25.B16, V26.B16, V27.B16]
VZIP1 V30.D2, V28.D2, V3.D2
VZIP2 V30.D2, V28.D2, V7.D2
VZIP1 V31.D2, V29.D2, V11.D2
VZIP2 V31.D2, V29.D2, V15.D2
VLD1.P 64(R2), [V28.B16, V29.B16, V30.B16, V31.B16]
VEOR V0.B16, V16.B16, V16.B16
VEOR V1.B16, V17.B16, V17.B16
VEOR V2.B16, V18.B16, V18.B16
VEOR V3.B16, V19.B16, V19.B16
VST1.P [V16.B16, V17.B16, V18.B16, V19.B16], 64(R1)
VEOR V4.B16, V20.B16, V20.B16
VEOR V5.B16, V21.B16, V21.B16
VEOR V6.B16, V22.B16, V22.B16
VEOR V7.B16, V23.B16, V23.B16
VST1.P [V20.B16, V21.B16, V22.B16, V23.B16], 64(R1)
VEOR V8.B16, V24.B16, V24.B16
VEOR V9.B16, V25.B16, V25.B16
VEOR V10.B16, V26.B16, V26.B16
VEOR V11.B16, V27.B16, V27.B16
VST1.P [V24.B16, V25.B16, V26.B16, V27.B16], 64(R1)
VEOR V12.B16, V28.B16, V28.B16
VEOR V13.B16, V29.B16, V29.B16
VEOR V14.B16, V30.B16, V30.B16
VEOR V15.B16, V31.B16, V31.B16
VST1.P [V28.B16, V29.B16, V30.B16, V31.B16], 64(R1)
ADD $4, R20
MOVW R20, (R7) // update counter
CMP R2, R12
BGT loop
RET
DATA ·constants+0x00(SB)/4, $0x61707865
DATA ·constants+0x04(SB)/4, $0x3320646e
DATA ·constants+0x08(SB)/4, $0x79622d32
DATA ·constants+0x0c(SB)/4, $0x6b206574
GLOBL ·constants(SB), NOPTR|RODATA, $32
DATA ·incRotMatrix+0x00(SB)/4, $0x00000000
DATA ·incRotMatrix+0x04(SB)/4, $0x00000001
DATA ·incRotMatrix+0x08(SB)/4, $0x00000002
DATA ·incRotMatrix+0x0c(SB)/4, $0x00000003
DATA ·incRotMatrix+0x10(SB)/4, $0x02010003
DATA ·incRotMatrix+0x14(SB)/4, $0x06050407
DATA ·incRotMatrix+0x18(SB)/4, $0x0A09080B
DATA ·incRotMatrix+0x1c(SB)/4, $0x0E0D0C0F
GLOBL ·incRotMatrix(SB), NOPTR|RODATA, $32

View File

@ -0,0 +1,31 @@
// 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 go1.11
// +build !gccgo
package chacha20
const (
haveAsm = true
bufSize = 256
)
//go:noescape
func xorKeyStreamVX(dst, src []byte, key *[8]uint32, nonce *[3]uint32, counter *uint32)
func (c *Cipher) xorKeyStreamAsm(dst, src []byte) {
if len(src) >= bufSize {
xorKeyStreamVX(dst, src, &c.key, &c.nonce, &c.counter)
}
if len(src)%bufSize != 0 {
i := len(src) - len(src)%bufSize
c.buf = [bufSize]byte{}
copy(c.buf[:], src[i:])
xorKeyStreamVX(c.buf[:], c.buf[:], &c.key, &c.nonce, &c.counter)
c.len = bufSize - copy(dst[i:], c.buf[:len(src)%bufSize])
}
}

View File

@ -2,7 +2,7 @@
// Use of this source code is governed by a BSD-style // Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file. // license that can be found in the LICENSE file.
// +build !s390x gccgo appengine // +build !arm64,!s390x arm64,!go1.11 gccgo appengine
package chacha20 package chacha20

View File

@ -6,15 +6,14 @@
package chacha20 package chacha20
var haveAsm = hasVectorFacility() import (
"golang.org/x/sys/cpu"
)
var haveAsm = cpu.S390X.HasVX
const bufSize = 256 const bufSize = 256
// hasVectorFacility reports whether the machine supports the vector
// facility (vx).
// Implementation in asm_s390x.s.
func hasVectorFacility() bool
// xorKeyStreamVX is an assembly implementation of XORKeyStream. It must only // xorKeyStreamVX is an assembly implementation of XORKeyStream. It must only
// be called when the vector facility is available. // be called when the vector facility is available.
// Implementation in asm_s390x.s. // Implementation in asm_s390x.s.

View File

@ -258,26 +258,3 @@ tail:
MOVD R8, R3 MOVD R8, R3
MOVD $0, R4 MOVD $0, R4
JMP continue JMP continue
// func hasVectorFacility() bool
TEXT ·hasVectorFacility(SB), NOSPLIT, $24-1
MOVD $x-24(SP), R1
XC $24, 0(R1), 0(R1) // clear the storage
MOVD $2, R0 // R0 is the number of double words stored -1
WORD $0xB2B01000 // STFLE 0(R1)
XOR R0, R0 // reset the value of R0
MOVBZ z-8(SP), R1
AND $0x40, R1
BEQ novector
vectorinstalled:
// check if the vector instruction has been enabled
VLEIB $0, $0xF, V16
VLGVB $0, V16, R1
CMPBNE R1, $0xF, novector
MOVB $1, ret+0(FP) // have vx
RET
novector:
MOVB $0, ret+0(FP) // no vx
RET

View File

@ -3,6 +3,10 @@
// license that can be found in the LICENSE file. // license that can be found in the LICENSE file.
// Package md4 implements the MD4 hash algorithm as defined in RFC 1320. // Package md4 implements the MD4 hash algorithm as defined in RFC 1320.
//
// Deprecated: MD4 is cryptographically broken and should should only be used
// where compatibility with legacy systems, not security, is the goal. Instead,
// use a secure hash like SHA-256 (from crypto/sha256).
package md4 // import "golang.org/x/crypto/md4" package md4 // import "golang.org/x/crypto/md4"
import ( import (

View File

@ -333,7 +333,6 @@ func ReadEntity(packets *packet.Reader) (*Entity, error) {
return nil, errors.StructuralError("primary key cannot be used for signatures") return nil, errors.StructuralError("primary key cannot be used for signatures")
} }
var current *Identity
var revocations []*packet.Signature var revocations []*packet.Signature
EachPacket: EachPacket:
for { for {
@ -346,36 +345,8 @@ EachPacket:
switch pkt := p.(type) { switch pkt := p.(type) {
case *packet.UserId: case *packet.UserId:
// Make a new Identity object, that we might wind up throwing away. if err := addUserID(e, packets, pkt); err != nil {
// We'll only add it if we get a valid self-signature over this return nil, err
// userID.
current = new(Identity)
current.Name = pkt.Id
current.UserId = pkt
for {
p, err = packets.Next()
if err == io.EOF {
break EachPacket
} else if err != nil {
return nil, err
}
sig, ok := p.(*packet.Signature)
if !ok {
packets.Unread(p)
continue EachPacket
}
if (sig.SigType == packet.SigTypePositiveCert || sig.SigType == packet.SigTypeGenericCert) && sig.IssuerKeyId != nil && *sig.IssuerKeyId == e.PrimaryKey.KeyId {
if err = e.PrimaryKey.VerifyUserIdSignature(pkt.Id, e.PrimaryKey, sig); err != nil {
return nil, errors.StructuralError("user ID self-signature invalid: " + err.Error())
}
current.SelfSignature = sig
e.Identities[pkt.Id] = current
} else {
current.Signatures = append(current.Signatures, sig)
}
} }
case *packet.Signature: case *packet.Signature:
if pkt.SigType == packet.SigTypeKeyRevocation { if pkt.SigType == packet.SigTypeKeyRevocation {
@ -384,11 +355,9 @@ EachPacket:
// TODO: RFC4880 5.2.1 permits signatures // TODO: RFC4880 5.2.1 permits signatures
// directly on keys (eg. to bind additional // directly on keys (eg. to bind additional
// revocation keys). // revocation keys).
} else if current == nil {
return nil, errors.StructuralError("signature packet found before user id packet")
} else {
current.Signatures = append(current.Signatures, pkt)
} }
// Else, ignoring the signature as it does not follow anything
// we would know to attach it to.
case *packet.PrivateKey: case *packet.PrivateKey:
if pkt.IsSubkey == false { if pkt.IsSubkey == false {
packets.Unread(p) packets.Unread(p)
@ -429,33 +398,105 @@ EachPacket:
return e, nil return e, nil
} }
func addUserID(e *Entity, packets *packet.Reader, pkt *packet.UserId) error {
// Make a new Identity object, that we might wind up throwing away.
// We'll only add it if we get a valid self-signature over this
// userID.
identity := new(Identity)
identity.Name = pkt.Id
identity.UserId = pkt
for {
p, err := packets.Next()
if err == io.EOF {
break
} else if err != nil {
return err
}
sig, ok := p.(*packet.Signature)
if !ok {
packets.Unread(p)
break
}
if (sig.SigType == packet.SigTypePositiveCert || sig.SigType == packet.SigTypeGenericCert) && sig.IssuerKeyId != nil && *sig.IssuerKeyId == e.PrimaryKey.KeyId {
if err = e.PrimaryKey.VerifyUserIdSignature(pkt.Id, e.PrimaryKey, sig); err != nil {
return errors.StructuralError("user ID self-signature invalid: " + err.Error())
}
identity.SelfSignature = sig
e.Identities[pkt.Id] = identity
} else {
identity.Signatures = append(identity.Signatures, sig)
}
}
return nil
}
func addSubkey(e *Entity, packets *packet.Reader, pub *packet.PublicKey, priv *packet.PrivateKey) error { func addSubkey(e *Entity, packets *packet.Reader, pub *packet.PublicKey, priv *packet.PrivateKey) error {
var subKey Subkey var subKey Subkey
subKey.PublicKey = pub subKey.PublicKey = pub
subKey.PrivateKey = priv subKey.PrivateKey = priv
p, err := packets.Next()
if err == io.EOF { for {
return io.ErrUnexpectedEOF p, err := packets.Next()
if err == io.EOF {
break
} else if err != nil {
return errors.StructuralError("subkey signature invalid: " + err.Error())
}
sig, ok := p.(*packet.Signature)
if !ok {
packets.Unread(p)
break
}
if sig.SigType != packet.SigTypeSubkeyBinding && sig.SigType != packet.SigTypeSubkeyRevocation {
return errors.StructuralError("subkey signature with wrong type")
}
if err := e.PrimaryKey.VerifyKeySignature(subKey.PublicKey, sig); err != nil {
return errors.StructuralError("subkey signature invalid: " + err.Error())
}
switch sig.SigType {
case packet.SigTypeSubkeyRevocation:
subKey.Sig = sig
case packet.SigTypeSubkeyBinding:
if shouldReplaceSubkeySig(subKey.Sig, sig) {
subKey.Sig = sig
}
}
} }
if err != nil {
return errors.StructuralError("subkey signature invalid: " + err.Error()) if subKey.Sig == nil {
}
var ok bool
subKey.Sig, ok = p.(*packet.Signature)
if !ok {
return errors.StructuralError("subkey packet not followed by signature") return errors.StructuralError("subkey packet not followed by signature")
} }
if subKey.Sig.SigType != packet.SigTypeSubkeyBinding && subKey.Sig.SigType != packet.SigTypeSubkeyRevocation {
return errors.StructuralError("subkey signature with wrong type")
}
err = e.PrimaryKey.VerifyKeySignature(subKey.PublicKey, subKey.Sig)
if err != nil {
return errors.StructuralError("subkey signature invalid: " + err.Error())
}
e.Subkeys = append(e.Subkeys, subKey) e.Subkeys = append(e.Subkeys, subKey)
return nil return nil
} }
func shouldReplaceSubkeySig(existingSig, potentialNewSig *packet.Signature) bool {
if potentialNewSig == nil {
return false
}
if existingSig == nil {
return true
}
if existingSig.SigType == packet.SigTypeSubkeyRevocation {
return false // never override a revocation signature
}
return potentialNewSig.CreationTime.After(existingSig.CreationTime)
}
const defaultRSAKeyBits = 2048 const defaultRSAKeyBits = 2048
// NewEntity returns an Entity that contains a fresh RSA/RSA keypair with a // NewEntity returns an Entity that contains a fresh RSA/RSA keypair with a

View File

@ -404,14 +404,16 @@ const (
type PublicKeyAlgorithm uint8 type PublicKeyAlgorithm uint8
const ( const (
PubKeyAlgoRSA PublicKeyAlgorithm = 1 PubKeyAlgoRSA PublicKeyAlgorithm = 1
PubKeyAlgoRSAEncryptOnly PublicKeyAlgorithm = 2 PubKeyAlgoElGamal PublicKeyAlgorithm = 16
PubKeyAlgoRSASignOnly PublicKeyAlgorithm = 3 PubKeyAlgoDSA PublicKeyAlgorithm = 17
PubKeyAlgoElGamal PublicKeyAlgorithm = 16
PubKeyAlgoDSA PublicKeyAlgorithm = 17
// RFC 6637, Section 5. // RFC 6637, Section 5.
PubKeyAlgoECDH PublicKeyAlgorithm = 18 PubKeyAlgoECDH PublicKeyAlgorithm = 18
PubKeyAlgoECDSA PublicKeyAlgorithm = 19 PubKeyAlgoECDSA PublicKeyAlgorithm = 19
// Deprecated in RFC 4880, Section 13.5. Use key flags instead.
PubKeyAlgoRSAEncryptOnly PublicKeyAlgorithm = 2
PubKeyAlgoRSASignOnly PublicKeyAlgorithm = 3
) )
// CanEncrypt returns true if it's possible to encrypt a message to a public // CanEncrypt returns true if it's possible to encrypt a message to a public

View File

@ -64,14 +64,19 @@ func NewECDSAPrivateKey(currentTime time.Time, priv *ecdsa.PrivateKey) *PrivateK
return pk return pk
} }
// NewSignerPrivateKey creates a sign-only PrivateKey from a crypto.Signer that // NewSignerPrivateKey creates a PrivateKey from a crypto.Signer that
// implements RSA or ECDSA. // implements RSA or ECDSA.
func NewSignerPrivateKey(currentTime time.Time, signer crypto.Signer) *PrivateKey { func NewSignerPrivateKey(currentTime time.Time, signer crypto.Signer) *PrivateKey {
pk := new(PrivateKey) pk := new(PrivateKey)
// In general, the public Keys should be used as pointers. We still
// type-switch on the values, for backwards-compatibility.
switch pubkey := signer.Public().(type) { switch pubkey := signer.Public().(type) {
case *rsa.PublicKey:
pk.PublicKey = *NewRSAPublicKey(currentTime, pubkey)
case rsa.PublicKey: case rsa.PublicKey:
pk.PublicKey = *NewRSAPublicKey(currentTime, &pubkey) pk.PublicKey = *NewRSAPublicKey(currentTime, &pubkey)
pk.PubKeyAlgo = PubKeyAlgoRSASignOnly case *ecdsa.PublicKey:
pk.PublicKey = *NewECDSAPublicKey(currentTime, pubkey)
case ecdsa.PublicKey: case ecdsa.PublicKey:
pk.PublicKey = *NewECDSAPublicKey(currentTime, &pubkey) pk.PublicKey = *NewECDSAPublicKey(currentTime, &pubkey)
default: default:

View File

@ -542,7 +542,7 @@ func (sig *Signature) Sign(h hash.Hash, priv *PrivateKey, config *Config) (err e
r, s, err = ecdsa.Sign(config.Random(), pk, digest) r, s, err = ecdsa.Sign(config.Random(), pk, digest)
} else { } else {
var b []byte var b []byte
b, err = priv.PrivateKey.(crypto.Signer).Sign(config.Random(), digest, nil) b, err = priv.PrivateKey.(crypto.Signer).Sign(config.Random(), digest, sig.Hash)
if err == nil { if err == nil {
r, s, err = unwrapECDSASig(b) r, s, err = unwrapECDSASig(b)
} }

View File

@ -80,7 +80,7 @@ func (uat *UserAttribute) Serialize(w io.Writer) (err error) {
// ImageData returns zero or more byte slices, each containing // ImageData returns zero or more byte slices, each containing
// JPEG File Interchange Format (JFIF), for each photo in the // JPEG File Interchange Format (JFIF), for each photo in the
// the user attribute packet. // user attribute packet.
func (uat *UserAttribute) ImageData() (imageData [][]byte) { func (uat *UserAttribute) ImageData() (imageData [][]byte) {
for _, sp := range uat.Contents { for _, sp := range uat.Contents {
if sp.SubType == UserAttrImageSubpacket && len(sp.Contents) > 16 { if sp.SubType == UserAttrImageSubpacket && len(sp.Contents) > 16 {

View File

@ -271,6 +271,7 @@ func Encrypt(ciphertext io.Writer, to []*Entity, signed *Entity, hints *FileHint
// These are the possible hash functions that we'll use for the signature. // These are the possible hash functions that we'll use for the signature.
candidateHashes := []uint8{ candidateHashes := []uint8{
hashToHashId(crypto.SHA256), hashToHashId(crypto.SHA256),
hashToHashId(crypto.SHA384),
hashToHashId(crypto.SHA512), hashToHashId(crypto.SHA512),
hashToHashId(crypto.SHA1), hashToHashId(crypto.SHA1),
hashToHashId(crypto.RIPEMD160), hashToHashId(crypto.RIPEMD160),
@ -349,6 +350,7 @@ func Sign(output io.Writer, signed *Entity, hints *FileHints, config *packet.Con
// These are the possible hash functions that we'll use for the signature. // These are the possible hash functions that we'll use for the signature.
candidateHashes := []uint8{ candidateHashes := []uint8{
hashToHashId(crypto.SHA256), hashToHashId(crypto.SHA256),
hashToHashId(crypto.SHA384),
hashToHashId(crypto.SHA512), hashToHashId(crypto.SHA512),
hashToHashId(crypto.SHA1), hashToHashId(crypto.SHA1),
hashToHashId(crypto.RIPEMD160), hashToHashId(crypto.RIPEMD160),

11
vendor/golang.org/x/crypto/poly1305/mac_noasm.go generated vendored Normal file
View File

@ -0,0 +1,11 @@
// 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 !amd64 gccgo appengine
package poly1305
type mac struct{ macGeneric }
func newMAC(key *[32]byte) mac { return mac{newMACGeneric(key)} }

View File

@ -2,21 +2,19 @@
// Use of this source code is governed by a BSD-style // Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file. // license that can be found in the LICENSE file.
/* // Package poly1305 implements Poly1305 one-time message authentication code as
Package poly1305 implements Poly1305 one-time message authentication code as // specified in https://cr.yp.to/mac/poly1305-20050329.pdf.
specified in https://cr.yp.to/mac/poly1305-20050329.pdf. //
// Poly1305 is a fast, one-time authentication function. It is infeasible for an
Poly1305 is a fast, one-time authentication function. It is infeasible for an // attacker to generate an authenticator for a message without the key. However, a
attacker to generate an authenticator for a message without the key. However, a // key must only be used for a single message. Authenticating two different
key must only be used for a single message. Authenticating two different // messages with the same key allows an attacker to forge authenticators for other
messages with the same key allows an attacker to forge authenticators for other // messages with the same key.
messages with the same key. //
// Poly1305 was originally coupled with AES in order to make Poly1305-AES. AES was
Poly1305 was originally coupled with AES in order to make Poly1305-AES. AES was // used with a fixed key in order to generate one-time keys from an nonce.
used with a fixed key in order to generate one-time keys from an nonce. // However, in this package AES isn't used and the one-time key is specified
However, in this package AES isn't used and the one-time key is specified // directly.
directly.
*/
package poly1305 // import "golang.org/x/crypto/poly1305" package poly1305 // import "golang.org/x/crypto/poly1305"
import "crypto/subtle" import "crypto/subtle"
@ -31,3 +29,55 @@ func Verify(mac *[16]byte, m []byte, key *[32]byte) bool {
Sum(&tmp, m, key) Sum(&tmp, m, key)
return subtle.ConstantTimeCompare(tmp[:], mac[:]) == 1 return subtle.ConstantTimeCompare(tmp[:], mac[:]) == 1
} }
// New returns a new MAC computing an authentication
// tag of all data written to it with the given key.
// This allows writing the message progressively instead
// of passing it as a single slice. Common users should use
// the Sum function instead.
//
// The key must be unique for each message, as authenticating
// two different messages with the same key allows an attacker
// to forge messages at will.
func New(key *[32]byte) *MAC {
return &MAC{
mac: newMAC(key),
finalized: false,
}
}
// MAC is an io.Writer computing an authentication tag
// of the data written to it.
//
// MAC cannot be used like common hash.Hash implementations,
// because using a poly1305 key twice breaks its security.
// Therefore writing data to a running MAC after calling
// Sum causes it to panic.
type MAC struct {
mac // platform-dependent implementation
finalized bool
}
// Size returns the number of bytes Sum will return.
func (h *MAC) Size() int { return TagSize }
// Write adds more data to the running message authentication code.
// It never returns an error.
//
// It must not be called after the first call of Sum.
func (h *MAC) Write(p []byte) (n int, err error) {
if h.finalized {
panic("poly1305: write to MAC after Sum")
}
return h.mac.Write(p)
}
// Sum computes the authenticator of all data written to the
// message authentication code.
func (h *MAC) Sum(b []byte) []byte {
var mac [TagSize]byte
h.mac.Sum(&mac)
h.finalized = true
return append(b, mac[:]...)
}

View File

@ -6,17 +6,63 @@
package poly1305 package poly1305
// This function is implemented in sum_amd64.s
//go:noescape //go:noescape
func poly1305(out *[16]byte, m *byte, mlen uint64, key *[32]byte) func initialize(state *[7]uint64, key *[32]byte)
//go:noescape
func update(state *[7]uint64, msg []byte)
//go:noescape
func finalize(tag *[TagSize]byte, state *[7]uint64)
// Sum generates an authenticator for m using a one-time key and puts the // Sum generates an authenticator for m using a one-time key and puts the
// 16-byte result into out. Authenticating two different messages with the same // 16-byte result into out. Authenticating two different messages with the same
// key allows an attacker to forge messages at will. // key allows an attacker to forge messages at will.
func Sum(out *[16]byte, m []byte, key *[32]byte) { func Sum(out *[16]byte, m []byte, key *[32]byte) {
var mPtr *byte h := newMAC(key)
if len(m) > 0 { h.Write(m)
mPtr = &m[0] h.Sum(out)
} }
poly1305(out, mPtr, uint64(len(m)), key)
func newMAC(key *[32]byte) (h mac) {
initialize(&h.state, key)
return
}
type mac struct {
state [7]uint64 // := uint64{ h0, h1, h2, r0, r1, pad0, pad1 }
buffer [TagSize]byte
offset int
}
func (h *mac) Write(p []byte) (n int, err error) {
n = len(p)
if h.offset > 0 {
remaining := TagSize - h.offset
if n < remaining {
h.offset += copy(h.buffer[h.offset:], p)
return n, nil
}
copy(h.buffer[h.offset:], p[:remaining])
p = p[remaining:]
h.offset = 0
update(&h.state, h.buffer[:])
}
if nn := len(p) - (len(p) % TagSize); nn > 0 {
update(&h.state, p[:nn])
p = p[nn:]
}
if len(p) > 0 {
h.offset += copy(h.buffer[h.offset:], p)
}
return n, nil
}
func (h *mac) Sum(out *[16]byte) {
state := h.state
if h.offset > 0 {
update(&state, h.buffer[:h.offset])
}
finalize(out, &state)
} }

View File

@ -58,20 +58,17 @@ DATA ·poly1305Mask<>+0x00(SB)/8, $0x0FFFFFFC0FFFFFFF
DATA ·poly1305Mask<>+0x08(SB)/8, $0x0FFFFFFC0FFFFFFC DATA ·poly1305Mask<>+0x08(SB)/8, $0x0FFFFFFC0FFFFFFC
GLOBL ·poly1305Mask<>(SB), RODATA, $16 GLOBL ·poly1305Mask<>(SB), RODATA, $16
// func poly1305(out *[16]byte, m *byte, mlen uint64, key *[32]key) // func update(state *[7]uint64, msg []byte)
TEXT ·poly1305(SB), $0-32 TEXT ·update(SB), $0-32
MOVQ out+0(FP), DI MOVQ state+0(FP), DI
MOVQ m+8(FP), SI MOVQ msg_base+8(FP), SI
MOVQ mlen+16(FP), R15 MOVQ msg_len+16(FP), R15
MOVQ key+24(FP), AX
MOVQ 0(AX), R11 MOVQ 0(DI), R8 // h0
MOVQ 8(AX), R12 MOVQ 8(DI), R9 // h1
ANDQ ·poly1305Mask<>(SB), R11 // r0 MOVQ 16(DI), R10 // h2
ANDQ ·poly1305Mask<>+8(SB), R12 // r1 MOVQ 24(DI), R11 // r0
XORQ R8, R8 // h0 MOVQ 32(DI), R12 // r1
XORQ R9, R9 // h1
XORQ R10, R10 // h2
CMPQ R15, $16 CMPQ R15, $16
JB bytes_between_0_and_15 JB bytes_between_0_and_15
@ -109,16 +106,42 @@ flush_buffer:
JMP multiply JMP multiply
done: done:
MOVQ R8, AX MOVQ R8, 0(DI)
MOVQ R9, BX MOVQ R9, 8(DI)
MOVQ R10, 16(DI)
RET
// func initialize(state *[7]uint64, key *[32]byte)
TEXT ·initialize(SB), $0-16
MOVQ state+0(FP), DI
MOVQ key+8(FP), SI
// state[0...7] is initialized with zero
MOVOU 0(SI), X0
MOVOU 16(SI), X1
MOVOU ·poly1305Mask<>(SB), X2
PAND X2, X0
MOVOU X0, 24(DI)
MOVOU X1, 40(DI)
RET
// func finalize(tag *[TagSize]byte, state *[7]uint64)
TEXT ·finalize(SB), $0-16
MOVQ tag+0(FP), DI
MOVQ state+8(FP), SI
MOVQ 0(SI), AX
MOVQ 8(SI), BX
MOVQ 16(SI), CX
MOVQ AX, R8
MOVQ BX, R9
SUBQ $0xFFFFFFFFFFFFFFFB, AX SUBQ $0xFFFFFFFFFFFFFFFB, AX
SBBQ $0xFFFFFFFFFFFFFFFF, BX SBBQ $0xFFFFFFFFFFFFFFFF, BX
SBBQ $3, R10 SBBQ $3, CX
CMOVQCS R8, AX CMOVQCS R8, AX
CMOVQCS R9, BX CMOVQCS R9, BX
MOVQ key+24(FP), R8 ADDQ 40(SI), AX
ADDQ 16(R8), AX ADCQ 48(SI), BX
ADCQ 24(R8), BX
MOVQ AX, 0(DI) MOVQ AX, 0(DI)
MOVQ BX, 8(DI) MOVQ BX, 8(DI)

View File

@ -1,4 +1,4 @@
// Copyright 2012 The Go Authors. All rights reserved. // Copyright 2018 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style // Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file. // license that can be found in the LICENSE file.
@ -6,21 +6,79 @@ package poly1305
import "encoding/binary" import "encoding/binary"
const (
msgBlock = uint32(1 << 24)
finalBlock = uint32(0)
)
// sumGeneric generates an authenticator for msg using a one-time key and // sumGeneric generates an authenticator for msg using a one-time key and
// puts the 16-byte result into out. This is the generic implementation of // puts the 16-byte result into out. This is the generic implementation of
// Sum and should be called if no assembly implementation is available. // Sum and should be called if no assembly implementation is available.
func sumGeneric(out *[TagSize]byte, msg []byte, key *[32]byte) { func sumGeneric(out *[TagSize]byte, msg []byte, key *[32]byte) {
var ( h := newMACGeneric(key)
h0, h1, h2, h3, h4 uint32 // the hash accumulators h.Write(msg)
r0, r1, r2, r3, r4 uint64 // the r part of the key h.Sum(out)
) }
r0 = uint64(binary.LittleEndian.Uint32(key[0:]) & 0x3ffffff) func newMACGeneric(key *[32]byte) (h macGeneric) {
r1 = uint64((binary.LittleEndian.Uint32(key[3:]) >> 2) & 0x3ffff03) h.r[0] = binary.LittleEndian.Uint32(key[0:]) & 0x3ffffff
r2 = uint64((binary.LittleEndian.Uint32(key[6:]) >> 4) & 0x3ffc0ff) h.r[1] = (binary.LittleEndian.Uint32(key[3:]) >> 2) & 0x3ffff03
r3 = uint64((binary.LittleEndian.Uint32(key[9:]) >> 6) & 0x3f03fff) h.r[2] = (binary.LittleEndian.Uint32(key[6:]) >> 4) & 0x3ffc0ff
r4 = uint64((binary.LittleEndian.Uint32(key[12:]) >> 8) & 0x00fffff) h.r[3] = (binary.LittleEndian.Uint32(key[9:]) >> 6) & 0x3f03fff
h.r[4] = (binary.LittleEndian.Uint32(key[12:]) >> 8) & 0x00fffff
h.s[0] = binary.LittleEndian.Uint32(key[16:])
h.s[1] = binary.LittleEndian.Uint32(key[20:])
h.s[2] = binary.LittleEndian.Uint32(key[24:])
h.s[3] = binary.LittleEndian.Uint32(key[28:])
return
}
type macGeneric struct {
h, r [5]uint32
s [4]uint32
buffer [TagSize]byte
offset int
}
func (h *macGeneric) Write(p []byte) (n int, err error) {
n = len(p)
if h.offset > 0 {
remaining := TagSize - h.offset
if n < remaining {
h.offset += copy(h.buffer[h.offset:], p)
return n, nil
}
copy(h.buffer[h.offset:], p[:remaining])
p = p[remaining:]
h.offset = 0
updateGeneric(h.buffer[:], msgBlock, &(h.h), &(h.r))
}
if nn := len(p) - (len(p) % TagSize); nn > 0 {
updateGeneric(p, msgBlock, &(h.h), &(h.r))
p = p[nn:]
}
if len(p) > 0 {
h.offset += copy(h.buffer[h.offset:], p)
}
return n, nil
}
func (h *macGeneric) Sum(out *[16]byte) {
H, R := h.h, h.r
if h.offset > 0 {
var buffer [TagSize]byte
copy(buffer[:], h.buffer[:h.offset])
buffer[h.offset] = 1 // invariant: h.offset < TagSize
updateGeneric(buffer[:], finalBlock, &H, &R)
}
finalizeGeneric(out, &H, &(h.s))
}
func updateGeneric(msg []byte, flag uint32, h, r *[5]uint32) {
h0, h1, h2, h3, h4 := h[0], h[1], h[2], h[3], h[4]
r0, r1, r2, r3, r4 := uint64(r[0]), uint64(r[1]), uint64(r[2]), uint64(r[3]), uint64(r[4])
R1, R2, R3, R4 := r1*5, r2*5, r3*5, r4*5 R1, R2, R3, R4 := r1*5, r2*5, r3*5, r4*5
for len(msg) >= TagSize { for len(msg) >= TagSize {
@ -29,7 +87,7 @@ func sumGeneric(out *[TagSize]byte, msg []byte, key *[32]byte) {
h1 += (binary.LittleEndian.Uint32(msg[3:]) >> 2) & 0x3ffffff h1 += (binary.LittleEndian.Uint32(msg[3:]) >> 2) & 0x3ffffff
h2 += (binary.LittleEndian.Uint32(msg[6:]) >> 4) & 0x3ffffff h2 += (binary.LittleEndian.Uint32(msg[6:]) >> 4) & 0x3ffffff
h3 += (binary.LittleEndian.Uint32(msg[9:]) >> 6) & 0x3ffffff h3 += (binary.LittleEndian.Uint32(msg[9:]) >> 6) & 0x3ffffff
h4 += (binary.LittleEndian.Uint32(msg[12:]) >> 8) | (1 << 24) h4 += (binary.LittleEndian.Uint32(msg[12:]) >> 8) | flag
// h *= r // h *= r
d0 := (uint64(h0) * r0) + (uint64(h1) * R4) + (uint64(h2) * R3) + (uint64(h3) * R2) + (uint64(h4) * R1) d0 := (uint64(h0) * r0) + (uint64(h1) * R4) + (uint64(h2) * R3) + (uint64(h3) * R2) + (uint64(h4) * R1)
@ -52,36 +110,11 @@ func sumGeneric(out *[TagSize]byte, msg []byte, key *[32]byte) {
msg = msg[TagSize:] msg = msg[TagSize:]
} }
if len(msg) > 0 { h[0], h[1], h[2], h[3], h[4] = h0, h1, h2, h3, h4
var block [TagSize]byte }
off := copy(block[:], msg)
block[off] = 0x01
// h += msg func finalizeGeneric(out *[TagSize]byte, h *[5]uint32, s *[4]uint32) {
h0 += binary.LittleEndian.Uint32(block[0:]) & 0x3ffffff h0, h1, h2, h3, h4 := h[0], h[1], h[2], h[3], h[4]
h1 += (binary.LittleEndian.Uint32(block[3:]) >> 2) & 0x3ffffff
h2 += (binary.LittleEndian.Uint32(block[6:]) >> 4) & 0x3ffffff
h3 += (binary.LittleEndian.Uint32(block[9:]) >> 6) & 0x3ffffff
h4 += (binary.LittleEndian.Uint32(block[12:]) >> 8)
// h *= r
d0 := (uint64(h0) * r0) + (uint64(h1) * R4) + (uint64(h2) * R3) + (uint64(h3) * R2) + (uint64(h4) * R1)
d1 := (d0 >> 26) + (uint64(h0) * r1) + (uint64(h1) * r0) + (uint64(h2) * R4) + (uint64(h3) * R3) + (uint64(h4) * R2)
d2 := (d1 >> 26) + (uint64(h0) * r2) + (uint64(h1) * r1) + (uint64(h2) * r0) + (uint64(h3) * R4) + (uint64(h4) * R3)
d3 := (d2 >> 26) + (uint64(h0) * r3) + (uint64(h1) * r2) + (uint64(h2) * r1) + (uint64(h3) * r0) + (uint64(h4) * R4)
d4 := (d3 >> 26) + (uint64(h0) * r4) + (uint64(h1) * r3) + (uint64(h2) * r2) + (uint64(h3) * r1) + (uint64(h4) * r0)
// h %= p
h0 = uint32(d0) & 0x3ffffff
h1 = uint32(d1) & 0x3ffffff
h2 = uint32(d2) & 0x3ffffff
h3 = uint32(d3) & 0x3ffffff
h4 = uint32(d4) & 0x3ffffff
h0 += uint32(d4>>26) * 5
h1 += h0 >> 26
h0 = h0 & 0x3ffffff
}
// h %= p reduction // h %= p reduction
h2 += h1 >> 26 h2 += h1 >> 26
@ -123,13 +156,13 @@ func sumGeneric(out *[TagSize]byte, msg []byte, key *[32]byte) {
// s: the s part of the key // s: the s part of the key
// tag = (h + s) % (2^128) // tag = (h + s) % (2^128)
t := uint64(h0) + uint64(binary.LittleEndian.Uint32(key[16:])) t := uint64(h0) + uint64(s[0])
h0 = uint32(t) h0 = uint32(t)
t = uint64(h1) + uint64(binary.LittleEndian.Uint32(key[20:])) + (t >> 32) t = uint64(h1) + uint64(s[1]) + (t >> 32)
h1 = uint32(t) h1 = uint32(t)
t = uint64(h2) + uint64(binary.LittleEndian.Uint32(key[24:])) + (t >> 32) t = uint64(h2) + uint64(s[2]) + (t >> 32)
h2 = uint32(t) h2 = uint32(t)
t = uint64(h3) + uint64(binary.LittleEndian.Uint32(key[28:])) + (t >> 32) t = uint64(h3) + uint64(s[3]) + (t >> 32)
h3 = uint32(t) h3 = uint32(t)
binary.LittleEndian.PutUint32(out[0:], h0) binary.LittleEndian.PutUint32(out[0:], h0)

View File

@ -10,5 +10,7 @@ package poly1305
// 16-byte result into out. Authenticating two different messages with the same // 16-byte result into out. Authenticating two different messages with the same
// key allows an attacker to forge messages at will. // key allows an attacker to forge messages at will.
func Sum(out *[TagSize]byte, msg []byte, key *[32]byte) { func Sum(out *[TagSize]byte, msg []byte, key *[32]byte) {
sumGeneric(out, msg, key) h := newMAC(key)
h.Write(msg)
h.Sum(out)
} }

View File

@ -6,16 +6,9 @@
package poly1305 package poly1305
// hasVectorFacility reports whether the machine supports import (
// the vector facility (vx). "golang.org/x/sys/cpu"
func hasVectorFacility() bool )
// hasVMSLFacility reports whether the machine supports
// Vector Multiply Sum Logical (VMSL).
func hasVMSLFacility() bool
var hasVX = hasVectorFacility()
var hasVMSL = hasVMSLFacility()
// poly1305vx is an assembly implementation of Poly1305 that uses vector // poly1305vx is an assembly implementation of Poly1305 that uses vector
// instructions. It must only be called if the vector facility (vx) is // instructions. It must only be called if the vector facility (vx) is
@ -33,12 +26,12 @@ func poly1305vmsl(out *[16]byte, m *byte, mlen uint64, key *[32]byte)
// 16-byte result into out. Authenticating two different messages with the same // 16-byte result into out. Authenticating two different messages with the same
// key allows an attacker to forge messages at will. // key allows an attacker to forge messages at will.
func Sum(out *[16]byte, m []byte, key *[32]byte) { func Sum(out *[16]byte, m []byte, key *[32]byte) {
if hasVX { if cpu.S390X.HasVX {
var mPtr *byte var mPtr *byte
if len(m) > 0 { if len(m) > 0 {
mPtr = &m[0] mPtr = &m[0]
} }
if hasVMSL && len(m) > 256 { if cpu.S390X.HasVXE && len(m) > 256 {
poly1305vmsl(out, mPtr, uint64(len(m)), key) poly1305vmsl(out, mPtr, uint64(len(m)), key)
} else { } else {
poly1305vx(out, mPtr, uint64(len(m)), key) poly1305vx(out, mPtr, uint64(len(m)), key)

View File

@ -376,25 +376,3 @@ b1:
MOVD $0, R3 MOVD $0, R3
BR multiply BR multiply
TEXT ·hasVectorFacility(SB), NOSPLIT, $24-1
MOVD $x-24(SP), R1
XC $24, 0(R1), 0(R1) // clear the storage
MOVD $2, R0 // R0 is the number of double words stored -1
WORD $0xB2B01000 // STFLE 0(R1)
XOR R0, R0 // reset the value of R0
MOVBZ z-8(SP), R1
AND $0x40, R1
BEQ novector
vectorinstalled:
// check if the vector instruction has been enabled
VLEIB $0, $0xF, V16
VLGVB $0, V16, R1
CMPBNE R1, $0xF, novector
MOVB $1, ret+0(FP) // have vx
RET
novector:
MOVB $0, ret+0(FP) // no vx
RET

View File

@ -907,25 +907,3 @@ square:
MULTIPLY(H0_0, H1_0, H2_0, H0_1, H1_1, H2_1, R_0, R_1, R_2, R5_1, R5_2, M0, M1, M2, M3, M4, M5, T_0, T_1, T_2, T_3, T_4, T_5, T_6, T_7, T_8, T_9) MULTIPLY(H0_0, H1_0, H2_0, H0_1, H1_1, H2_1, R_0, R_1, R_2, R5_1, R5_2, M0, M1, M2, M3, M4, M5, T_0, T_1, T_2, T_3, T_4, T_5, T_6, T_7, T_8, T_9)
REDUCE2(H0_0, H1_0, H2_0, M0, M1, M2, M3, M4, T_9, T_10, H0_1, M5) REDUCE2(H0_0, H1_0, H2_0, M0, M1, M2, M3, M4, T_9, T_10, H0_1, M5)
BR next BR next
TEXT ·hasVMSLFacility(SB), NOSPLIT, $24-1
MOVD $x-24(SP), R1
XC $24, 0(R1), 0(R1) // clear the storage
MOVD $2, R0 // R0 is the number of double words stored -1
WORD $0xB2B01000 // STFLE 0(R1)
XOR R0, R0 // reset the value of R0
MOVBZ z-8(SP), R1
AND $0x01, R1
BEQ novmsl
vectorinstalled:
// check if the vector instruction has been enabled
VLEIB $0, $0xF, V16
VLGVB $0, V16, R1
CMPBNE R1, $0xF, novmsl
MOVB $1, ret+0(FP) // have vx
RET
novmsl:
MOVB $0, ret+0(FP) // no vx
RET

View File

@ -25,10 +25,22 @@ import (
"math/big" "math/big"
"sync" "sync"
"crypto"
"golang.org/x/crypto/ed25519" "golang.org/x/crypto/ed25519"
"golang.org/x/crypto/ssh" "golang.org/x/crypto/ssh"
) )
// SignatureFlags represent additional flags that can be passed to the signature
// requests an defined in [PROTOCOL.agent] section 4.5.1.
type SignatureFlags uint32
// SignatureFlag values as defined in [PROTOCOL.agent] section 5.3.
const (
SignatureFlagReserved SignatureFlags = 1 << iota
SignatureFlagRsaSha256
SignatureFlagRsaSha512
)
// Agent represents the capabilities of an ssh-agent. // Agent represents the capabilities of an ssh-agent.
type Agent interface { type Agent interface {
// List returns the identities known to the agent. // List returns the identities known to the agent.
@ -57,6 +69,26 @@ type Agent interface {
Signers() ([]ssh.Signer, error) Signers() ([]ssh.Signer, error)
} }
type ExtendedAgent interface {
Agent
// SignWithFlags signs like Sign, but allows for additional flags to be sent/received
SignWithFlags(key ssh.PublicKey, data []byte, flags SignatureFlags) (*ssh.Signature, error)
// Extension processes a custom extension request. Standard-compliant agents are not
// required to support any extensions, but this method allows agents to implement
// vendor-specific methods or add experimental features. See [PROTOCOL.agent] section 4.7.
// If agent extensions are unsupported entirely this method MUST return an
// ErrExtensionUnsupported error. Similarly, if just the specific extensionType in
// the request is unsupported by the agent then ErrExtensionUnsupported MUST be
// returned.
//
// In the case of success, since [PROTOCOL.agent] section 4.7 specifies that the contents
// of the response are unspecified (including the type of the message), the complete
// response will be returned as a []byte slice, including the "type" byte of the message.
Extension(extensionType string, contents []byte) ([]byte, error)
}
// ConstraintExtension describes an optional constraint defined by users. // ConstraintExtension describes an optional constraint defined by users.
type ConstraintExtension struct { type ConstraintExtension struct {
// ExtensionName consist of a UTF-8 string suffixed by the // ExtensionName consist of a UTF-8 string suffixed by the
@ -179,6 +211,23 @@ type constrainExtensionAgentMsg struct {
Rest []byte `ssh:"rest"` Rest []byte `ssh:"rest"`
} }
// See [PROTOCOL.agent], section 4.7
const agentExtension = 27
const agentExtensionFailure = 28
// ErrExtensionUnsupported indicates that an extension defined in
// [PROTOCOL.agent] section 4.7 is unsupported by the agent. Specifically this
// error indicates that the agent returned a standard SSH_AGENT_FAILURE message
// as the result of a SSH_AGENTC_EXTENSION request. Note that the protocol
// specification (and therefore this error) does not distinguish between a
// specific extension being unsupported and extensions being unsupported entirely.
var ErrExtensionUnsupported = errors.New("agent: extension unsupported")
type extensionAgentMsg struct {
ExtensionType string `sshtype:"27"`
Contents []byte
}
// Key represents a protocol 2 public key as defined in // Key represents a protocol 2 public key as defined in
// [PROTOCOL.agent], section 2.5.2. // [PROTOCOL.agent], section 2.5.2.
type Key struct { type Key struct {
@ -260,7 +309,7 @@ type client struct {
// NewClient returns an Agent that talks to an ssh-agent process over // NewClient returns an Agent that talks to an ssh-agent process over
// the given connection. // the given connection.
func NewClient(rw io.ReadWriter) Agent { func NewClient(rw io.ReadWriter) ExtendedAgent {
return &client{conn: rw} return &client{conn: rw}
} }
@ -268,6 +317,21 @@ func NewClient(rw io.ReadWriter) Agent {
// unmarshaled into reply and replyType is set to the first byte of // unmarshaled into reply and replyType is set to the first byte of
// the reply, which contains the type of the message. // the reply, which contains the type of the message.
func (c *client) call(req []byte) (reply interface{}, err error) { func (c *client) call(req []byte) (reply interface{}, err error) {
buf, err := c.callRaw(req)
if err != nil {
return nil, err
}
reply, err = unmarshal(buf)
if err != nil {
return nil, clientErr(err)
}
return reply, nil
}
// callRaw sends an RPC to the agent. On success, the raw
// bytes of the response are returned; no unmarshalling is
// performed on the response.
func (c *client) callRaw(req []byte) (reply []byte, err error) {
c.mu.Lock() c.mu.Lock()
defer c.mu.Unlock() defer c.mu.Unlock()
@ -284,18 +348,14 @@ func (c *client) call(req []byte) (reply interface{}, err error) {
} }
respSize := binary.BigEndian.Uint32(respSizeBuf[:]) respSize := binary.BigEndian.Uint32(respSizeBuf[:])
if respSize > maxAgentResponseBytes { if respSize > maxAgentResponseBytes {
return nil, clientErr(err) return nil, clientErr(errors.New("response too large"))
} }
buf := make([]byte, respSize) buf := make([]byte, respSize)
if _, err = io.ReadFull(c.conn, buf); err != nil { if _, err = io.ReadFull(c.conn, buf); err != nil {
return nil, clientErr(err) return nil, clientErr(err)
} }
reply, err = unmarshal(buf) return buf, nil
if err != nil {
return nil, clientErr(err)
}
return reply, err
} }
func (c *client) simpleCall(req []byte) error { func (c *client) simpleCall(req []byte) error {
@ -369,9 +429,14 @@ func (c *client) List() ([]*Key, error) {
// Sign has the agent sign the data using a protocol 2 key as defined // Sign has the agent sign the data using a protocol 2 key as defined
// in [PROTOCOL.agent] section 2.6.2. // in [PROTOCOL.agent] section 2.6.2.
func (c *client) Sign(key ssh.PublicKey, data []byte) (*ssh.Signature, error) { func (c *client) Sign(key ssh.PublicKey, data []byte) (*ssh.Signature, error) {
return c.SignWithFlags(key, data, 0)
}
func (c *client) SignWithFlags(key ssh.PublicKey, data []byte, flags SignatureFlags) (*ssh.Signature, error) {
req := ssh.Marshal(signRequestAgentMsg{ req := ssh.Marshal(signRequestAgentMsg{
KeyBlob: key.Marshal(), KeyBlob: key.Marshal(),
Data: data, Data: data,
Flags: uint32(flags),
}) })
msg, err := c.call(req) msg, err := c.call(req)
@ -681,3 +746,44 @@ func (s *agentKeyringSigner) Sign(rand io.Reader, data []byte) (*ssh.Signature,
// The agent has its own entropy source, so the rand argument is ignored. // The agent has its own entropy source, so the rand argument is ignored.
return s.agent.Sign(s.pub, data) return s.agent.Sign(s.pub, data)
} }
func (s *agentKeyringSigner) SignWithOpts(rand io.Reader, data []byte, opts crypto.SignerOpts) (*ssh.Signature, error) {
var flags SignatureFlags
if opts != nil {
switch opts.HashFunc() {
case crypto.SHA256:
flags = SignatureFlagRsaSha256
case crypto.SHA512:
flags = SignatureFlagRsaSha512
}
}
return s.agent.SignWithFlags(s.pub, data, flags)
}
// Calls an extension method. It is up to the agent implementation as to whether or not
// any particular extension is supported and may always return an error. Because the
// type of the response is up to the implementation, this returns the bytes of the
// response and does not attempt any type of unmarshalling.
func (c *client) Extension(extensionType string, contents []byte) ([]byte, error) {
req := ssh.Marshal(extensionAgentMsg{
ExtensionType: extensionType,
Contents: contents,
})
buf, err := c.callRaw(req)
if err != nil {
return nil, err
}
if len(buf) == 0 {
return nil, errors.New("agent: failure; empty response")
}
// [PROTOCOL.agent] section 4.7 indicates that an SSH_AGENT_FAILURE message
// represents an agent that does not support the extension
if buf[0] == agentFailure {
return nil, ErrExtensionUnsupported
}
if buf[0] == agentExtensionFailure {
return nil, errors.New("agent: generic extension failure")
}
return buf, nil
}

View File

@ -182,6 +182,10 @@ func (r *keyring) Add(key AddedKey) error {
// Sign returns a signature for the data. // Sign returns a signature for the data.
func (r *keyring) Sign(key ssh.PublicKey, data []byte) (*ssh.Signature, error) { func (r *keyring) Sign(key ssh.PublicKey, data []byte) (*ssh.Signature, error) {
return r.SignWithFlags(key, data, 0)
}
func (r *keyring) SignWithFlags(key ssh.PublicKey, data []byte, flags SignatureFlags) (*ssh.Signature, error) {
r.mu.Lock() r.mu.Lock()
defer r.mu.Unlock() defer r.mu.Unlock()
if r.locked { if r.locked {
@ -192,7 +196,24 @@ func (r *keyring) Sign(key ssh.PublicKey, data []byte) (*ssh.Signature, error) {
wanted := key.Marshal() wanted := key.Marshal()
for _, k := range r.keys { for _, k := range r.keys {
if bytes.Equal(k.signer.PublicKey().Marshal(), wanted) { if bytes.Equal(k.signer.PublicKey().Marshal(), wanted) {
return k.signer.Sign(rand.Reader, data) if flags == 0 {
return k.signer.Sign(rand.Reader, data)
} else {
if algorithmSigner, ok := k.signer.(ssh.AlgorithmSigner); !ok {
return nil, fmt.Errorf("agent: signature does not support non-default signature algorithm: %T", k.signer)
} else {
var algorithm string
switch flags {
case SignatureFlagRsaSha256:
algorithm = ssh.SigAlgoRSASHA2256
case SignatureFlagRsaSha512:
algorithm = ssh.SigAlgoRSASHA2512
default:
return nil, fmt.Errorf("agent: unsupported signature flags: %d", flags)
}
return algorithmSigner.SignWithAlgorithm(rand.Reader, data, algorithm)
}
}
} }
} }
return nil, errors.New("not found") return nil, errors.New("not found")
@ -213,3 +234,8 @@ func (r *keyring) Signers() ([]ssh.Signer, error) {
} }
return s, nil return s, nil
} }
// The keyring does not support any extensions
func (r *keyring) Extension(extensionType string, contents []byte) ([]byte, error) {
return nil, ErrExtensionUnsupported
}

View File

@ -128,7 +128,14 @@ func (s *server) processRequest(data []byte) (interface{}, error) {
Blob: req.KeyBlob, Blob: req.KeyBlob,
} }
sig, err := s.agent.Sign(k, req.Data) // TODO(hanwen): flags. var sig *ssh.Signature
var err error
if extendedAgent, ok := s.agent.(ExtendedAgent); ok {
sig, err = extendedAgent.SignWithFlags(k, req.Data, SignatureFlags(req.Flags))
} else {
sig, err = s.agent.Sign(k, req.Data)
}
if err != nil { if err != nil {
return nil, err return nil, err
} }
@ -150,6 +157,43 @@ func (s *server) processRequest(data []byte) (interface{}, error) {
case agentAddIDConstrained, agentAddIdentity: case agentAddIDConstrained, agentAddIdentity:
return nil, s.insertIdentity(data) return nil, s.insertIdentity(data)
case agentExtension:
// Return a stub object where the whole contents of the response gets marshaled.
var responseStub struct {
Rest []byte `ssh:"rest"`
}
if extendedAgent, ok := s.agent.(ExtendedAgent); !ok {
// If this agent doesn't implement extensions, [PROTOCOL.agent] section 4.7
// requires that we return a standard SSH_AGENT_FAILURE message.
responseStub.Rest = []byte{agentFailure}
} else {
var req extensionAgentMsg
if err := ssh.Unmarshal(data, &req); err != nil {
return nil, err
}
res, err := extendedAgent.Extension(req.ExtensionType, req.Contents)
if err != nil {
// If agent extensions are unsupported, return a standard SSH_AGENT_FAILURE
// message as required by [PROTOCOL.agent] section 4.7.
if err == ErrExtensionUnsupported {
responseStub.Rest = []byte{agentFailure}
} else {
// As the result of any other error processing an extension request,
// [PROTOCOL.agent] section 4.7 requires that we return a
// SSH_AGENT_EXTENSION_FAILURE code.
responseStub.Rest = []byte{agentExtensionFailure}
}
} else {
if len(res) == 0 {
return nil, nil
}
responseStub.Rest = res
}
}
return responseStub, nil
} }
return nil, fmt.Errorf("unknown opcode %d", data[0]) return nil, fmt.Errorf("unknown opcode %d", data[0])
@ -497,6 +541,9 @@ func ServeAgent(agent Agent, c io.ReadWriter) error {
return err return err
} }
l := binary.BigEndian.Uint32(length[:]) l := binary.BigEndian.Uint32(length[:])
if l == 0 {
return fmt.Errorf("agent: request size is 0")
}
if l > maxAgentResponseBytes { if l > maxAgentResponseBytes {
// We also cap requests. // We also cap requests.
return fmt.Errorf("agent: request too large: %d", l) return fmt.Errorf("agent: request too large: %d", l)

View File

@ -222,6 +222,11 @@ type openSSHCertSigner struct {
signer Signer signer Signer
} }
type algorithmOpenSSHCertSigner struct {
*openSSHCertSigner
algorithmSigner AlgorithmSigner
}
// NewCertSigner returns a Signer that signs with the given Certificate, whose // NewCertSigner returns a Signer that signs with the given Certificate, whose
// private key is held by signer. It returns an error if the public key in cert // private key is held by signer. It returns an error if the public key in cert
// doesn't match the key used by signer. // doesn't match the key used by signer.
@ -230,7 +235,12 @@ func NewCertSigner(cert *Certificate, signer Signer) (Signer, error) {
return nil, errors.New("ssh: signer and cert have different public key") return nil, errors.New("ssh: signer and cert have different public key")
} }
return &openSSHCertSigner{cert, signer}, nil if algorithmSigner, ok := signer.(AlgorithmSigner); ok {
return &algorithmOpenSSHCertSigner{
&openSSHCertSigner{cert, signer}, algorithmSigner}, nil
} else {
return &openSSHCertSigner{cert, signer}, nil
}
} }
func (s *openSSHCertSigner) Sign(rand io.Reader, data []byte) (*Signature, error) { func (s *openSSHCertSigner) Sign(rand io.Reader, data []byte) (*Signature, error) {
@ -241,6 +251,10 @@ func (s *openSSHCertSigner) PublicKey() PublicKey {
return s.pub return s.pub
} }
func (s *algorithmOpenSSHCertSigner) SignWithAlgorithm(rand io.Reader, data []byte, algorithm string) (*Signature, error) {
return s.algorithmSigner.SignWithAlgorithm(rand, data, algorithm)
}
const sourceAddressCriticalOption = "source-address" const sourceAddressCriticalOption = "source-address"
// CertChecker does the work of verifying a certificate. Its methods // CertChecker does the work of verifying a certificate. Its methods

View File

@ -149,8 +149,8 @@ type streamPacketCipher struct {
macResult []byte macResult []byte
} }
// readPacket reads and decrypt a single packet from the reader argument. // readCipherPacket reads and decrypt a single packet from the reader argument.
func (s *streamPacketCipher) readPacket(seqNum uint32, r io.Reader) ([]byte, error) { func (s *streamPacketCipher) readCipherPacket(seqNum uint32, r io.Reader) ([]byte, error) {
if _, err := io.ReadFull(r, s.prefix[:]); err != nil { if _, err := io.ReadFull(r, s.prefix[:]); err != nil {
return nil, err return nil, err
} }
@ -221,8 +221,8 @@ func (s *streamPacketCipher) readPacket(seqNum uint32, r io.Reader) ([]byte, err
return s.packetData[:length-paddingLength-1], nil return s.packetData[:length-paddingLength-1], nil
} }
// writePacket encrypts and sends a packet of data to the writer argument // writeCipherPacket encrypts and sends a packet of data to the writer argument
func (s *streamPacketCipher) writePacket(seqNum uint32, w io.Writer, rand io.Reader, packet []byte) error { func (s *streamPacketCipher) writeCipherPacket(seqNum uint32, w io.Writer, rand io.Reader, packet []byte) error {
if len(packet) > maxPacket { if len(packet) > maxPacket {
return errors.New("ssh: packet too large") return errors.New("ssh: packet too large")
} }
@ -327,7 +327,7 @@ func newGCMCipher(key, iv, unusedMacKey []byte, unusedAlgs directionAlgorithms)
const gcmTagSize = 16 const gcmTagSize = 16
func (c *gcmCipher) writePacket(seqNum uint32, w io.Writer, rand io.Reader, packet []byte) error { func (c *gcmCipher) writeCipherPacket(seqNum uint32, w io.Writer, rand io.Reader, packet []byte) error {
// Pad out to multiple of 16 bytes. This is different from the // Pad out to multiple of 16 bytes. This is different from the
// stream cipher because that encrypts the length too. // stream cipher because that encrypts the length too.
padding := byte(packetSizeMultiple - (1+len(packet))%packetSizeMultiple) padding := byte(packetSizeMultiple - (1+len(packet))%packetSizeMultiple)
@ -370,7 +370,7 @@ func (c *gcmCipher) incIV() {
} }
} }
func (c *gcmCipher) readPacket(seqNum uint32, r io.Reader) ([]byte, error) { func (c *gcmCipher) readCipherPacket(seqNum uint32, r io.Reader) ([]byte, error) {
if _, err := io.ReadFull(r, c.prefix[:]); err != nil { if _, err := io.ReadFull(r, c.prefix[:]); err != nil {
return nil, err return nil, err
} }
@ -486,8 +486,8 @@ type cbcError string
func (e cbcError) Error() string { return string(e) } func (e cbcError) Error() string { return string(e) }
func (c *cbcCipher) readPacket(seqNum uint32, r io.Reader) ([]byte, error) { func (c *cbcCipher) readCipherPacket(seqNum uint32, r io.Reader) ([]byte, error) {
p, err := c.readPacketLeaky(seqNum, r) p, err := c.readCipherPacketLeaky(seqNum, r)
if err != nil { if err != nil {
if _, ok := err.(cbcError); ok { if _, ok := err.(cbcError); ok {
// Verification error: read a fixed amount of // Verification error: read a fixed amount of
@ -500,7 +500,7 @@ func (c *cbcCipher) readPacket(seqNum uint32, r io.Reader) ([]byte, error) {
return p, err return p, err
} }
func (c *cbcCipher) readPacketLeaky(seqNum uint32, r io.Reader) ([]byte, error) { func (c *cbcCipher) readCipherPacketLeaky(seqNum uint32, r io.Reader) ([]byte, error) {
blockSize := c.decrypter.BlockSize() blockSize := c.decrypter.BlockSize()
// Read the header, which will include some of the subsequent data in the // Read the header, which will include some of the subsequent data in the
@ -576,7 +576,7 @@ func (c *cbcCipher) readPacketLeaky(seqNum uint32, r io.Reader) ([]byte, error)
return c.packetData[prefixLen:paddingStart], nil return c.packetData[prefixLen:paddingStart], nil
} }
func (c *cbcCipher) writePacket(seqNum uint32, w io.Writer, rand io.Reader, packet []byte) error { func (c *cbcCipher) writeCipherPacket(seqNum uint32, w io.Writer, rand io.Reader, packet []byte) error {
effectiveBlockSize := maxUInt32(cbcMinPacketSizeMultiple, c.encrypter.BlockSize()) effectiveBlockSize := maxUInt32(cbcMinPacketSizeMultiple, c.encrypter.BlockSize())
// Length of encrypted portion of the packet (header, payload, padding). // Length of encrypted portion of the packet (header, payload, padding).
@ -665,7 +665,7 @@ func newChaCha20Cipher(key, unusedIV, unusedMACKey []byte, unusedAlgs directionA
return c, nil return c, nil
} }
func (c *chacha20Poly1305Cipher) readPacket(seqNum uint32, r io.Reader) ([]byte, error) { func (c *chacha20Poly1305Cipher) readCipherPacket(seqNum uint32, r io.Reader) ([]byte, error) {
nonce := [3]uint32{0, 0, bits.ReverseBytes32(seqNum)} nonce := [3]uint32{0, 0, bits.ReverseBytes32(seqNum)}
s := chacha20.New(c.contentKey, nonce) s := chacha20.New(c.contentKey, nonce)
var polyKey [32]byte var polyKey [32]byte
@ -723,7 +723,7 @@ func (c *chacha20Poly1305Cipher) readPacket(seqNum uint32, r io.Reader) ([]byte,
return plain, nil return plain, nil
} }
func (c *chacha20Poly1305Cipher) writePacket(seqNum uint32, w io.Writer, rand io.Reader, payload []byte) error { func (c *chacha20Poly1305Cipher) writeCipherPacket(seqNum uint32, w io.Writer, rand io.Reader, payload []byte) error {
nonce := [3]uint32{0, 0, bits.ReverseBytes32(seqNum)} nonce := [3]uint32{0, 0, bits.ReverseBytes32(seqNum)}
s := chacha20.New(c.contentKey, nonce) s := chacha20.New(c.contentKey, nonce)
var polyKey [32]byte var polyKey [32]byte

View File

@ -185,7 +185,7 @@ func Dial(network, addr string, config *ClientConfig) (*Client, error) {
// keys. A HostKeyCallback must return nil if the host key is OK, or // keys. A HostKeyCallback must return nil if the host key is OK, or
// an error to reject it. It receives the hostname as passed to Dial // an error to reject it. It receives the hostname as passed to Dial
// or NewClientConn. The remote address is the RemoteAddr of the // or NewClientConn. The remote address is the RemoteAddr of the
// net.Conn underlying the the SSH connection. // net.Conn underlying the SSH connection.
type HostKeyCallback func(hostname string, remote net.Addr, key PublicKey) error type HostKeyCallback func(hostname string, remote net.Addr, key PublicKey) error
// BannerCallback is the function type used for treat the banner sent by // BannerCallback is the function type used for treat the banner sent by

View File

@ -109,6 +109,7 @@ func findCommon(what string, client []string, server []string) (common string, e
return "", fmt.Errorf("ssh: no common algorithm for %s; client offered: %v, server offered: %v", what, client, server) return "", fmt.Errorf("ssh: no common algorithm for %s; client offered: %v, server offered: %v", what, client, server)
} }
// directionAlgorithms records algorithm choices in one direction (either read or write)
type directionAlgorithms struct { type directionAlgorithms struct {
Cipher string Cipher string
MAC string MAC string
@ -137,7 +138,7 @@ type algorithms struct {
r directionAlgorithms r directionAlgorithms
} }
func findAgreedAlgorithms(clientKexInit, serverKexInit *kexInitMsg) (algs *algorithms, err error) { func findAgreedAlgorithms(isClient bool, clientKexInit, serverKexInit *kexInitMsg) (algs *algorithms, err error) {
result := &algorithms{} result := &algorithms{}
result.kex, err = findCommon("key exchange", clientKexInit.KexAlgos, serverKexInit.KexAlgos) result.kex, err = findCommon("key exchange", clientKexInit.KexAlgos, serverKexInit.KexAlgos)
@ -150,32 +151,37 @@ func findAgreedAlgorithms(clientKexInit, serverKexInit *kexInitMsg) (algs *algor
return return
} }
result.w.Cipher, err = findCommon("client to server cipher", clientKexInit.CiphersClientServer, serverKexInit.CiphersClientServer) stoc, ctos := &result.w, &result.r
if isClient {
ctos, stoc = stoc, ctos
}
ctos.Cipher, err = findCommon("client to server cipher", clientKexInit.CiphersClientServer, serverKexInit.CiphersClientServer)
if err != nil { if err != nil {
return return
} }
result.r.Cipher, err = findCommon("server to client cipher", clientKexInit.CiphersServerClient, serverKexInit.CiphersServerClient) stoc.Cipher, err = findCommon("server to client cipher", clientKexInit.CiphersServerClient, serverKexInit.CiphersServerClient)
if err != nil { if err != nil {
return return
} }
result.w.MAC, err = findCommon("client to server MAC", clientKexInit.MACsClientServer, serverKexInit.MACsClientServer) ctos.MAC, err = findCommon("client to server MAC", clientKexInit.MACsClientServer, serverKexInit.MACsClientServer)
if err != nil { if err != nil {
return return
} }
result.r.MAC, err = findCommon("server to client MAC", clientKexInit.MACsServerClient, serverKexInit.MACsServerClient) stoc.MAC, err = findCommon("server to client MAC", clientKexInit.MACsServerClient, serverKexInit.MACsServerClient)
if err != nil { if err != nil {
return return
} }
result.w.Compression, err = findCommon("client to server compression", clientKexInit.CompressionClientServer, serverKexInit.CompressionClientServer) ctos.Compression, err = findCommon("client to server compression", clientKexInit.CompressionClientServer, serverKexInit.CompressionClientServer)
if err != nil { if err != nil {
return return
} }
result.r.Compression, err = findCommon("server to client compression", clientKexInit.CompressionServerClient, serverKexInit.CompressionServerClient) stoc.Compression, err = findCommon("server to client compression", clientKexInit.CompressionServerClient, serverKexInit.CompressionServerClient)
if err != nil { if err != nil {
return return
} }

View File

@ -543,7 +543,8 @@ func (t *handshakeTransport) enterKeyExchange(otherInitPacket []byte) error {
clientInit := otherInit clientInit := otherInit
serverInit := t.sentInitMsg serverInit := t.sentInitMsg
if len(t.hostKeys) == 0 { isClient := len(t.hostKeys) == 0
if isClient {
clientInit, serverInit = serverInit, clientInit clientInit, serverInit = serverInit, clientInit
magics.clientKexInit = t.sentInitPacket magics.clientKexInit = t.sentInitPacket
@ -551,7 +552,7 @@ func (t *handshakeTransport) enterKeyExchange(otherInitPacket []byte) error {
} }
var err error var err error
t.algorithms, err = findAgreedAlgorithms(clientInit, serverInit) t.algorithms, err = findAgreedAlgorithms(isClient, clientInit, serverInit)
if err != nil { if err != nil {
return err return err
} }

View File

@ -38,6 +38,16 @@ const (
KeyAlgoED25519 = "ssh-ed25519" KeyAlgoED25519 = "ssh-ed25519"
) )
// These constants represent non-default signature algorithms that are supported
// as algorithm parameters to AlgorithmSigner.SignWithAlgorithm methods. See
// [PROTOCOL.agent] section 4.5.1 and
// https://tools.ietf.org/html/draft-ietf-curdle-rsa-sha2-10
const (
SigAlgoRSA = "ssh-rsa"
SigAlgoRSASHA2256 = "rsa-sha2-256"
SigAlgoRSASHA2512 = "rsa-sha2-512"
)
// parsePubKey parses a public key of the given algorithm. // parsePubKey parses a public key of the given algorithm.
// Use ParsePublicKey for keys with prepended algorithm. // Use ParsePublicKey for keys with prepended algorithm.
func parsePubKey(in []byte, algo string) (pubKey PublicKey, rest []byte, err error) { func parsePubKey(in []byte, algo string) (pubKey PublicKey, rest []byte, err error) {
@ -301,6 +311,19 @@ type Signer interface {
Sign(rand io.Reader, data []byte) (*Signature, error) Sign(rand io.Reader, data []byte) (*Signature, error)
} }
// A AlgorithmSigner is a Signer that also supports specifying a specific
// algorithm to use for signing.
type AlgorithmSigner interface {
Signer
// SignWithAlgorithm is like Signer.Sign, but allows specification of a
// non-default signing algorithm. See the SigAlgo* constants in this
// package for signature algorithms supported by this package. Callers may
// pass an empty string for the algorithm in which case the AlgorithmSigner
// will use its default algorithm.
SignWithAlgorithm(rand io.Reader, data []byte, algorithm string) (*Signature, error)
}
type rsaPublicKey rsa.PublicKey type rsaPublicKey rsa.PublicKey
func (r *rsaPublicKey) Type() string { func (r *rsaPublicKey) Type() string {
@ -349,13 +372,21 @@ func (r *rsaPublicKey) Marshal() []byte {
} }
func (r *rsaPublicKey) Verify(data []byte, sig *Signature) error { func (r *rsaPublicKey) Verify(data []byte, sig *Signature) error {
if sig.Format != r.Type() { var hash crypto.Hash
switch sig.Format {
case SigAlgoRSA:
hash = crypto.SHA1
case SigAlgoRSASHA2256:
hash = crypto.SHA256
case SigAlgoRSASHA2512:
hash = crypto.SHA512
default:
return fmt.Errorf("ssh: signature type %s for key type %s", sig.Format, r.Type()) return fmt.Errorf("ssh: signature type %s for key type %s", sig.Format, r.Type())
} }
h := crypto.SHA1.New() h := hash.New()
h.Write(data) h.Write(data)
digest := h.Sum(nil) digest := h.Sum(nil)
return rsa.VerifyPKCS1v15((*rsa.PublicKey)(r), crypto.SHA1, digest, sig.Blob) return rsa.VerifyPKCS1v15((*rsa.PublicKey)(r), hash, digest, sig.Blob)
} }
func (r *rsaPublicKey) CryptoPublicKey() crypto.PublicKey { func (r *rsaPublicKey) CryptoPublicKey() crypto.PublicKey {
@ -459,6 +490,14 @@ func (k *dsaPrivateKey) PublicKey() PublicKey {
} }
func (k *dsaPrivateKey) Sign(rand io.Reader, data []byte) (*Signature, error) { func (k *dsaPrivateKey) Sign(rand io.Reader, data []byte) (*Signature, error) {
return k.SignWithAlgorithm(rand, data, "")
}
func (k *dsaPrivateKey) SignWithAlgorithm(rand io.Reader, data []byte, algorithm string) (*Signature, error) {
if algorithm != "" && algorithm != k.PublicKey().Type() {
return nil, fmt.Errorf("ssh: unsupported signature algorithm %s", algorithm)
}
h := crypto.SHA1.New() h := crypto.SHA1.New()
h.Write(data) h.Write(data)
digest := h.Sum(nil) digest := h.Sum(nil)
@ -691,16 +730,42 @@ func (s *wrappedSigner) PublicKey() PublicKey {
} }
func (s *wrappedSigner) Sign(rand io.Reader, data []byte) (*Signature, error) { func (s *wrappedSigner) Sign(rand io.Reader, data []byte) (*Signature, error) {
return s.SignWithAlgorithm(rand, data, "")
}
func (s *wrappedSigner) SignWithAlgorithm(rand io.Reader, data []byte, algorithm string) (*Signature, error) {
var hashFunc crypto.Hash var hashFunc crypto.Hash
switch key := s.pubKey.(type) { if _, ok := s.pubKey.(*rsaPublicKey); ok {
case *rsaPublicKey, *dsaPublicKey: // RSA keys support a few hash functions determined by the requested signature algorithm
hashFunc = crypto.SHA1 switch algorithm {
case *ecdsaPublicKey: case "", SigAlgoRSA:
hashFunc = ecHash(key.Curve) algorithm = SigAlgoRSA
case ed25519PublicKey: hashFunc = crypto.SHA1
default: case SigAlgoRSASHA2256:
return nil, fmt.Errorf("ssh: unsupported key type %T", key) hashFunc = crypto.SHA256
case SigAlgoRSASHA2512:
hashFunc = crypto.SHA512
default:
return nil, fmt.Errorf("ssh: unsupported signature algorithm %s", algorithm)
}
} else {
// The only supported algorithm for all other key types is the same as the type of the key
if algorithm == "" {
algorithm = s.pubKey.Type()
} else if algorithm != s.pubKey.Type() {
return nil, fmt.Errorf("ssh: unsupported signature algorithm %s", algorithm)
}
switch key := s.pubKey.(type) {
case *dsaPublicKey:
hashFunc = crypto.SHA1
case *ecdsaPublicKey:
hashFunc = ecHash(key.Curve)
case ed25519PublicKey:
default:
return nil, fmt.Errorf("ssh: unsupported key type %T", key)
}
} }
var digest []byte var digest []byte
@ -745,7 +810,7 @@ func (s *wrappedSigner) Sign(rand io.Reader, data []byte) (*Signature, error) {
} }
return &Signature{ return &Signature{
Format: s.pubKey.Type(), Format: algorithm,
Blob: signature, Blob: signature,
}, nil }, nil
} }

View File

@ -350,8 +350,8 @@ func (db *hostKeyDB) check(address string, remote net.Addr, remoteKey ssh.Public
return db.checkAddr(hostToCheck, remoteKey) return db.checkAddr(hostToCheck, remoteKey)
} }
// checkAddrs checks if we can find the given public key for any of // checkAddr checks if we can find the given public key for the
// the given addresses. If we only find an entry for the IP address, // given address. If we only find an entry for the IP address,
// or only the hostname, then this still succeeds. // or only the hostname, then this still succeeds.
func (db *hostKeyDB) checkAddr(a addr, remoteKey ssh.PublicKey) error { func (db *hostKeyDB) checkAddr(a addr, remoteKey ssh.PublicKey) error {
// TODO(hanwen): are these the right semantics? What if there // TODO(hanwen): are these the right semantics? What if there

View File

@ -764,3 +764,29 @@ func decode(packet []byte) (interface{}, error) {
} }
return msg, nil return msg, nil
} }
var packetTypeNames = map[byte]string{
msgDisconnect: "disconnectMsg",
msgServiceRequest: "serviceRequestMsg",
msgServiceAccept: "serviceAcceptMsg",
msgKexInit: "kexInitMsg",
msgKexDHInit: "kexDHInitMsg",
msgKexDHReply: "kexDHReplyMsg",
msgUserAuthRequest: "userAuthRequestMsg",
msgUserAuthSuccess: "userAuthSuccessMsg",
msgUserAuthFailure: "userAuthFailureMsg",
msgUserAuthPubKeyOk: "userAuthPubKeyOkMsg",
msgGlobalRequest: "globalRequestMsg",
msgRequestSuccess: "globalRequestSuccessMsg",
msgRequestFailure: "globalRequestFailureMsg",
msgChannelOpen: "channelOpenMsg",
msgChannelData: "channelDataMsg",
msgChannelOpenConfirm: "channelOpenConfirmMsg",
msgChannelOpenFailure: "channelOpenFailureMsg",
msgChannelWindowAdjust: "windowAdjustMsg",
msgChannelEOF: "channelEOFMsg",
msgChannelClose: "channelCloseMsg",
msgChannelRequest: "channelRequestMsg",
msgChannelSuccess: "channelRequestSuccessMsg",
msgChannelFailure: "channelRequestFailureMsg",
}

View File

@ -404,7 +404,7 @@ userAuthLoop:
perms, authErr = config.PasswordCallback(s, password) perms, authErr = config.PasswordCallback(s, password)
case "keyboard-interactive": case "keyboard-interactive":
if config.KeyboardInteractiveCallback == nil { if config.KeyboardInteractiveCallback == nil {
authErr = errors.New("ssh: keyboard-interactive auth not configubred") authErr = errors.New("ssh: keyboard-interactive auth not configured")
break break
} }
@ -484,6 +484,7 @@ userAuthLoop:
// sig.Format. This is usually the same, but // sig.Format. This is usually the same, but
// for certs, the names differ. // for certs, the names differ.
if !isAcceptableAlgo(sig.Format) { if !isAcceptableAlgo(sig.Format) {
authErr = fmt.Errorf("ssh: algorithm %q not accepted", sig.Format)
break break
} }
signedData := buildDataSignedForAuth(sessionID, userAuthReq, algoBytes, pubKeyData) signedData := buildDataSignedForAuth(sessionID, userAuthReq, algoBytes, pubKeyData)

View File

@ -53,14 +53,14 @@ type transport struct {
// packetCipher represents a combination of SSH encryption/MAC // packetCipher represents a combination of SSH encryption/MAC
// protocol. A single instance should be used for one direction only. // protocol. A single instance should be used for one direction only.
type packetCipher interface { type packetCipher interface {
// writePacket encrypts the packet and writes it to w. The // writeCipherPacket encrypts the packet and writes it to w. The
// contents of the packet are generally scrambled. // contents of the packet are generally scrambled.
writePacket(seqnum uint32, w io.Writer, rand io.Reader, packet []byte) error writeCipherPacket(seqnum uint32, w io.Writer, rand io.Reader, packet []byte) error
// readPacket reads and decrypts a packet of data. The // readCipherPacket reads and decrypts a packet of data. The
// returned packet may be overwritten by future calls of // returned packet may be overwritten by future calls of
// readPacket. // readPacket.
readPacket(seqnum uint32, r io.Reader) ([]byte, error) readCipherPacket(seqnum uint32, r io.Reader) ([]byte, error)
} }
// connectionState represents one side (read or write) of the // connectionState represents one side (read or write) of the
@ -127,7 +127,7 @@ func (t *transport) readPacket() (p []byte, err error) {
} }
func (s *connectionState) readPacket(r *bufio.Reader) ([]byte, error) { func (s *connectionState) readPacket(r *bufio.Reader) ([]byte, error) {
packet, err := s.packetCipher.readPacket(s.seqNum, r) packet, err := s.packetCipher.readCipherPacket(s.seqNum, r)
s.seqNum++ s.seqNum++
if err == nil && len(packet) == 0 { if err == nil && len(packet) == 0 {
err = errors.New("ssh: zero length packet") err = errors.New("ssh: zero length packet")
@ -175,7 +175,7 @@ func (t *transport) writePacket(packet []byte) error {
func (s *connectionState) writePacket(w *bufio.Writer, rand io.Reader, packet []byte) error { func (s *connectionState) writePacket(w *bufio.Writer, rand io.Reader, packet []byte) error {
changeKeys := len(packet) > 0 && packet[0] == msgNewKeys changeKeys := len(packet) > 0 && packet[0] == msgNewKeys
err := s.packetCipher.writePacket(s.seqNum, w, rand, packet) err := s.packetCipher.writeCipherPacket(s.seqNum, w, rand, packet)
if err != nil { if err != nil {
return err return err
} }

30
vendor/golang.org/x/sys/cpu/byteorder.go generated vendored Normal file
View File

@ -0,0 +1,30 @@
// 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 (
"encoding/binary"
"runtime"
)
// hostByteOrder returns binary.LittleEndian on little-endian machines and
// binary.BigEndian on big-endian machines.
func hostByteOrder() binary.ByteOrder {
switch runtime.GOARCH {
case "386", "amd64", "amd64p32",
"arm", "arm64",
"mipsle", "mips64le", "mips64p32le",
"ppc64le",
"riscv", "riscv64":
return binary.LittleEndian
case "armbe", "arm64be",
"mips", "mips64", "mips64p32",
"ppc", "ppc64",
"s390", "s390x",
"sparc", "sparc64":
return binary.BigEndian
}
panic("unknown architecture")
}

126
vendor/golang.org/x/sys/cpu/cpu.go generated vendored Normal file
View File

@ -0,0 +1,126 @@
// 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
// 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
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
}
// 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
}

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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,ppc64
package cpu
import "golang.org/x/sys/unix"
const cacheLineSize = 128
const (
// getsystemcfg constants
_SC_IMPL = 2
_IMPL_POWER8 = 0x10000
_IMPL_POWER9 = 0x20000
)
func init() {
impl := unix.Getsystemcfg(_SC_IMPL)
if impl&_IMPL_POWER8 != 0 {
PPC64.IsPOWER8 = true
}
if impl&_IMPL_POWER9 != 0 {
PPC64.IsPOWER9 = true
}
Initialized = true
}

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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
func doinit() {}

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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 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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// 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
// 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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// 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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// 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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// 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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// 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 !amd64,!amd64p32,!386
package cpu
import (
"io/ioutil"
)
const (
_AT_HWCAP = 16
_AT_HWCAP2 = 26
procAuxv = "/proc/self/auxv"
uintSize = int(32 << (^uint(0) >> 63))
)
// For those platforms don't have a 'cpuid' equivalent we use HWCAP/HWCAP2
// These are initialized in cpu_$GOARCH.go
// and should not be changed after they are initialized.
var hwCap uint
var hwCap2 uint
func init() {
buf, err := ioutil.ReadFile(procAuxv)
if err != nil {
// e.g. on android /proc/self/auxv is not accessible, so silently
// ignore the error and leave Initialized = false
return
}
bo := hostByteOrder()
for len(buf) >= 2*(uintSize/8) {
var tag, val uint
switch uintSize {
case 32:
tag = uint(bo.Uint32(buf[0:]))
val = uint(bo.Uint32(buf[4:]))
buf = buf[8:]
case 64:
tag = uint(bo.Uint64(buf[0:]))
val = uint(bo.Uint64(buf[8:]))
buf = buf[16:]
}
switch tag {
case _AT_HWCAP:
hwCap = val
case _AT_HWCAP2:
hwCap2 = val
}
}
doinit()
Initialized = true
}

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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 = 64
// 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() {
// 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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// 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
const cacheLineSize = 128
// 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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// 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 cacheLineSize = 256
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
)
// bitIsSet reports whether the bit at index is set. The bit index
// is in big endian order, so bit index 0 is the leftmost bit.
func bitIsSet(bits []uint64, index uint) bool {
return bits[index/64]&((1<<63)>>(index%64)) != 0
}
// function is the code for the named cryptographic function.
type function uint8
const (
// KM{,A,C,CTR} function codes
aes128 function = 18 // AES-128
aes192 function = 19 // AES-192
aes256 function = 20 // AES-256
// K{I,L}MD function codes
sha1 function = 1 // SHA-1
sha256 function = 2 // SHA-256
sha512 function = 3 // SHA-512
sha3_224 function = 32 // SHA3-224
sha3_256 function = 33 // SHA3-256
sha3_384 function = 34 // SHA3-384
sha3_512 function = 35 // SHA3-512
shake128 function = 36 // SHAKE-128
shake256 function = 37 // SHAKE-256
// KLMD function codes
ghash function = 65 // GHASH
)
// queryResult contains the result of a Query function
// call. Bits are numbered in big endian order so the
// leftmost bit (the MSB) is at index 0.
type queryResult struct {
bits [2]uint64
}
// Has reports whether the given functions are present.
func (q *queryResult) Has(fns ...function) bool {
if len(fns) == 0 {
panic("no function codes provided")
}
for _, f := range fns {
if !bitIsSet(q.bits[:], uint(f)) {
return false
}
}
return true
}
// facility is a bit index for the named facility.
type facility uint8
const (
// cryptography facilities
msa4 facility = 77 // message-security-assist extension 4
msa8 facility = 146 // message-security-assist extension 8
)
// facilityList contains the result of an STFLE call.
// Bits are numbered in big endian order so the
// leftmost bit (the MSB) is at index 0.
type facilityList struct {
bits [4]uint64
}
// Has reports whether the given facilities are present.
func (s *facilityList) Has(fs ...facility) bool {
if len(fs) == 0 {
panic("no facility bits provided")
}
for _, f := range fs {
if !bitIsSet(s.bits[:], uint(f)) {
return false
}
}
return true
}
func doinit() {
// 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)
}
// We need implementations of stfle, km and so on
// to detect cryptographic features.
if !haveAsmFunctions() {
return
}
// optional cryptographic functions
if S390X.HasMSA {
aes := []function{aes128, aes192, aes256}
// cipher message
km, kmc := kmQuery(), kmcQuery()
S390X.HasAES = km.Has(aes...)
S390X.HasAESCBC = kmc.Has(aes...)
if S390X.HasSTFLE {
facilities := stfle()
if facilities.Has(msa4) {
kmctr := kmctrQuery()
S390X.HasAESCTR = kmctr.Has(aes...)
}
if facilities.Has(msa8) {
kma := kmaQuery()
S390X.HasAESGCM = kma.Has(aes...)
}
}
// compute message digest
kimd := kimdQuery() // intermediate (no padding)
klmd := klmdQuery() // last (padding)
S390X.HasSHA1 = kimd.Has(sha1) && klmd.Has(sha1)
S390X.HasSHA256 = kimd.Has(sha256) && klmd.Has(sha256)
S390X.HasSHA512 = kimd.Has(sha512) && klmd.Has(sha512)
S390X.HasGHASH = kimd.Has(ghash) // KLMD-GHASH does not exist
sha3 := []function{
sha3_224, sha3_256, sha3_384, sha3_512,
shake128, shake256,
}
S390X.HasSHA3 = kimd.Has(sha3...) && klmd.Has(sha3...)
}
}

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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 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 mips mipsle
package cpu
const cacheLineSize = 32
func doinit() {}

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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,arm64
package cpu
const cacheLineSize = 64
func doinit() {}

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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
#include "textflag.h"
// func stfle() facilityList
TEXT ·stfle(SB), NOSPLIT|NOFRAME, $0-32
MOVD $ret+0(FP), R1
MOVD $3, R0 // last doubleword index to store
XC $32, (R1), (R1) // clear 4 doublewords (32 bytes)
WORD $0xb2b01000 // store facility list extended (STFLE)
RET
// func kmQuery() queryResult
TEXT ·kmQuery(SB), NOSPLIT|NOFRAME, $0-16
MOVD $0, R0 // set function code to 0 (KM-Query)
MOVD $ret+0(FP), R1 // address of 16-byte return value
WORD $0xB92E0024 // cipher message (KM)
RET
// func kmcQuery() queryResult
TEXT ·kmcQuery(SB), NOSPLIT|NOFRAME, $0-16
MOVD $0, R0 // set function code to 0 (KMC-Query)
MOVD $ret+0(FP), R1 // address of 16-byte return value
WORD $0xB92F0024 // cipher message with chaining (KMC)
RET
// func kmctrQuery() queryResult
TEXT ·kmctrQuery(SB), NOSPLIT|NOFRAME, $0-16
MOVD $0, R0 // set function code to 0 (KMCTR-Query)
MOVD $ret+0(FP), R1 // address of 16-byte return value
WORD $0xB92D4024 // cipher message with counter (KMCTR)
RET
// func kmaQuery() queryResult
TEXT ·kmaQuery(SB), NOSPLIT|NOFRAME, $0-16
MOVD $0, R0 // set function code to 0 (KMA-Query)
MOVD $ret+0(FP), R1 // address of 16-byte return value
WORD $0xb9296024 // cipher message with authentication (KMA)
RET
// func kimdQuery() queryResult
TEXT ·kimdQuery(SB), NOSPLIT|NOFRAME, $0-16
MOVD $0, R0 // set function code to 0 (KIMD-Query)
MOVD $ret+0(FP), R1 // address of 16-byte return value
WORD $0xB93E0024 // compute intermediate message digest (KIMD)
RET
// func klmdQuery() queryResult
TEXT ·klmdQuery(SB), NOSPLIT|NOFRAME, $0-16
MOVD $0, R0 // set function code to 0 (KLMD-Query)
MOVD $ret+0(FP), R1 // address of 16-byte return value
WORD $0xB93F0024 // compute last message digest (KLMD)
RET

15
vendor/golang.org/x/sys/cpu/cpu_wasm.go generated vendored Normal file
View File

@ -0,0 +1,15 @@
// 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 wasm
package cpu
// We're compiling the cpu package for an unknown (software-abstracted) CPU.
// Make CacheLinePad an empty struct and hope that the usual struct alignment
// rules are good enough.
const cacheLineSize = 0
func doinit() {}

59
vendor/golang.org/x/sys/cpu/cpu_x86.go generated vendored Normal file
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@ -0,0 +1,59 @@
// 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
package cpu
const cacheLineSize = 64
func init() {
Initialized = true
maxID, _, _, _ := cpuid(0, 0)
if maxID < 1 {
return
}
_, _, ecx1, edx1 := cpuid(1, 0)
X86.HasSSE2 = isSet(26, edx1)
X86.HasSSE3 = isSet(0, ecx1)
X86.HasPCLMULQDQ = isSet(1, ecx1)
X86.HasSSSE3 = isSet(9, ecx1)
X86.HasFMA = isSet(12, ecx1)
X86.HasSSE41 = isSet(19, ecx1)
X86.HasSSE42 = isSet(20, ecx1)
X86.HasPOPCNT = isSet(23, ecx1)
X86.HasAES = isSet(25, ecx1)
X86.HasOSXSAVE = isSet(27, ecx1)
X86.HasRDRAND = isSet(30, ecx1)
osSupportsAVX := false
// For XGETBV, OSXSAVE bit is required and sufficient.
if X86.HasOSXSAVE {
eax, _ := xgetbv()
// Check if XMM and YMM registers have OS support.
osSupportsAVX = isSet(1, eax) && isSet(2, eax)
}
X86.HasAVX = isSet(28, ecx1) && osSupportsAVX
if maxID < 7 {
return
}
_, ebx7, _, _ := cpuid(7, 0)
X86.HasBMI1 = isSet(3, ebx7)
X86.HasAVX2 = isSet(5, ebx7) && osSupportsAVX
X86.HasBMI2 = isSet(8, ebx7)
X86.HasERMS = isSet(9, ebx7)
X86.HasRDSEED = isSet(18, ebx7)
X86.HasADX = isSet(19, ebx7)
}
func isSet(bitpos uint, value uint32) bool {
return value&(1<<bitpos) != 0
}

27
vendor/golang.org/x/sys/cpu/cpu_x86.s generated vendored Normal file
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@ -0,0 +1,27 @@
// 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 "textflag.h"
// func cpuid(eaxArg, ecxArg uint32) (eax, ebx, ecx, edx uint32)
TEXT ·cpuid(SB), NOSPLIT, $0-24
MOVL eaxArg+0(FP), AX
MOVL ecxArg+4(FP), CX
CPUID
MOVL AX, eax+8(FP)
MOVL BX, ebx+12(FP)
MOVL CX, ecx+16(FP)
MOVL DX, edx+20(FP)
RET
// func xgetbv() (eax, edx uint32)
TEXT ·xgetbv(SB),NOSPLIT,$0-8
MOVL $0, CX
XGETBV
MOVL AX, eax+0(FP)
MOVL DX, edx+4(FP)
RET

View File

@ -207,8 +207,6 @@ esac
esac esac
if [ -n "$mksysctl" ]; then echo "$mksysctl |gofmt >$zsysctl"; fi if [ -n "$mksysctl" ]; then echo "$mksysctl |gofmt >$zsysctl"; fi
if [ -n "$mksysnum" ]; then echo "$mksysnum |gofmt >zsysnum_$GOOSARCH.go"; fi if [ -n "$mksysnum" ]; then echo "$mksysnum |gofmt >zsysnum_$GOOSARCH.go"; fi
if [ -n "$mktypes" ]; then if [ -n "$mktypes" ]; then echo "$mktypes types_$GOOS.go | go run mkpost.go > ztypes_$GOOSARCH.go"; fi
echo "$mktypes types_$GOOS.go | go run mkpost.go > ztypes_$GOOSARCH.go";
if [ -n "$mkasm" ]; then echo "$mkasm $GOARCH"; fi if [ -n "$mkasm" ]; then echo "$mkasm $GOARCH"; fi
fi
) | $run ) | $run

View File

@ -192,6 +192,7 @@ struct ltchars {
#include <linux/if_packet.h> #include <linux/if_packet.h>
#include <linux/if_addr.h> #include <linux/if_addr.h>
#include <linux/falloc.h> #include <linux/falloc.h>
#include <linux/fanotify.h>
#include <linux/filter.h> #include <linux/filter.h>
#include <linux/fs.h> #include <linux/fs.h>
#include <linux/kexec.h> #include <linux/kexec.h>
@ -501,6 +502,7 @@ ccflags="$@"
$2 !~ "WMESGLEN" && $2 !~ "WMESGLEN" &&
$2 ~ /^W[A-Z0-9]+$/ || $2 ~ /^W[A-Z0-9]+$/ ||
$2 ~/^PPPIOC/ || $2 ~/^PPPIOC/ ||
$2 ~ /^FAN_|FANOTIFY_/ ||
$2 ~ /^BLK[A-Z]*(GET$|SET$|BUF$|PART$|SIZE)/ {printf("\t%s = C.%s\n", $2, $2)} $2 ~ /^BLK[A-Z]*(GET$|SET$|BUF$|PART$|SIZE)/ {printf("\t%s = C.%s\n", $2, $2)}
$2 ~ /^__WCOREFLAG$/ {next} $2 ~ /^__WCOREFLAG$/ {next}
$2 ~ /^__W[A-Z0-9]+$/ {printf("\t%s = C.%s\n", substr($2,3), $2)} $2 ~ /^__W[A-Z0-9]+$/ {printf("\t%s = C.%s\n", substr($2,3), $2)}

View File

@ -153,6 +153,11 @@ func main() {
} }
funct, inps, outps, sysname := f[2], f[3], f[4], f[5] funct, inps, outps, sysname := f[2], f[3], f[4], f[5]
// ClockGettime doesn't have a syscall number on Darwin, only generate libc wrappers.
if goos == "darwin" && !libc && funct == "ClockGettime" {
continue
}
// Split argument lists on comma. // Split argument lists on comma.
in := parseParamList(inps) in := parseParamList(inps)
out := parseParamList(outps) out := parseParamList(outps)
@ -228,7 +233,7 @@ func main() {
} else { } else {
args = append(args, fmt.Sprintf("uintptr(%s)", p.Name)) args = append(args, fmt.Sprintf("uintptr(%s)", p.Name))
} }
} else if p.Type == "int64" && endianness != "" { } else if (p.Type == "int64" || p.Type == "uint64") && endianness != "" {
if len(args)%2 == 1 && *arm { if len(args)%2 == 1 && *arm {
// arm abi specifies 64-bit argument uses // arm abi specifies 64-bit argument uses
// (even, odd) pair // (even, odd) pair

View File

@ -25,8 +25,8 @@ func cmsgAlignOf(salen int) int {
if SizeofPtr == 8 { if SizeofPtr == 8 {
salign = 4 salign = 4
} }
case "openbsd": case "netbsd", "openbsd":
// OpenBSD armv7 requires 64-bit alignment. // NetBSD and OpenBSD armv7 require 64-bit alignment.
if runtime.GOARCH == "arm" { if runtime.GOARCH == "arm" {
salign = 8 salign = 8
} }

View File

@ -545,3 +545,5 @@ func Poll(fds []PollFd, timeout int) (n int, err error) {
//sys gettimeofday(tv *Timeval, tzp *Timezone) (err error) //sys gettimeofday(tv *Timeval, tzp *Timezone) (err error)
//sysnb Time(t *Time_t) (tt Time_t, err error) //sysnb Time(t *Time_t) (tt Time_t, err error)
//sys Utime(path string, buf *Utimbuf) (err error) //sys Utime(path string, buf *Utimbuf) (err error)
//sys Getsystemcfg(label int) (n uint64)

View File

@ -144,6 +144,23 @@ func getAttrList(path string, attrList attrList, attrBuf []byte, options uint) (
//sys getattrlist(path *byte, list unsafe.Pointer, buf unsafe.Pointer, size uintptr, options int) (err error) //sys getattrlist(path *byte, list unsafe.Pointer, buf unsafe.Pointer, size uintptr, options int) (err error)
func SysctlClockinfo(name string) (*Clockinfo, error) {
mib, err := sysctlmib(name)
if err != nil {
return nil, err
}
n := uintptr(SizeofClockinfo)
var ci Clockinfo
if err := sysctl(mib, (*byte)(unsafe.Pointer(&ci)), &n, nil, 0); err != nil {
return nil, err
}
if n != SizeofClockinfo {
return nil, EIO
}
return &ci, nil
}
//sysnb pipe() (r int, w int, err error) //sysnb pipe() (r int, w int, err error)
func Pipe(p []int) (err error) { func Pipe(p []int) (err error) {

View File

@ -39,6 +39,20 @@ func Creat(path string, mode uint32) (fd int, err error) {
return Open(path, O_CREAT|O_WRONLY|O_TRUNC, mode) return Open(path, O_CREAT|O_WRONLY|O_TRUNC, mode)
} }
//sys FanotifyInit(flags uint, event_f_flags uint) (fd int, err error)
//sys fanotifyMark(fd int, flags uint, mask uint64, dirFd int, pathname *byte) (err error)
func FanotifyMark(fd int, flags uint, mask uint64, dirFd int, pathname string) (err error) {
if pathname == "" {
return fanotifyMark(fd, flags, mask, dirFd, nil)
}
p, err := BytePtrFromString(pathname)
if err != nil {
return err
}
return fanotifyMark(fd, flags, mask, dirFd, p)
}
//sys fchmodat(dirfd int, path string, mode uint32) (err error) //sys fchmodat(dirfd int, path string, mode uint32) (err error)
func Fchmodat(dirfd int, path string, mode uint32, flags int) (err error) { func Fchmodat(dirfd int, path string, mode uint32, flags int) (err error) {
@ -990,10 +1004,28 @@ func GetsockoptString(fd, level, opt int) (string, error) {
return string(buf[:vallen-1]), nil return string(buf[:vallen-1]), nil
} }
func GetsockoptTpacketStats(fd, level, opt int) (*TpacketStats, error) {
var value TpacketStats
vallen := _Socklen(SizeofTpacketStats)
err := getsockopt(fd, level, opt, unsafe.Pointer(&value), &vallen)
return &value, err
}
func GetsockoptTpacketStatsV3(fd, level, opt int) (*TpacketStatsV3, error) {
var value TpacketStatsV3
vallen := _Socklen(SizeofTpacketStatsV3)
err := getsockopt(fd, level, opt, unsafe.Pointer(&value), &vallen)
return &value, err
}
func SetsockoptIPMreqn(fd, level, opt int, mreq *IPMreqn) (err error) { func SetsockoptIPMreqn(fd, level, opt int, mreq *IPMreqn) (err error) {
return setsockopt(fd, level, opt, unsafe.Pointer(mreq), unsafe.Sizeof(*mreq)) return setsockopt(fd, level, opt, unsafe.Pointer(mreq), unsafe.Sizeof(*mreq))
} }
func SetsockoptPacketMreq(fd, level, opt int, mreq *PacketMreq) error {
return setsockopt(fd, level, opt, unsafe.Pointer(mreq), unsafe.Sizeof(*mreq))
}
// SetsockoptSockFprog attaches a classic BPF or an extended BPF program to a // SetsockoptSockFprog attaches a classic BPF or an extended BPF program to a
// socket to filter incoming packets. See 'man 7 socket' for usage information. // socket to filter incoming packets. See 'man 7 socket' for usage information.
func SetsockoptSockFprog(fd, level, opt int, fprog *SockFprog) error { func SetsockoptSockFprog(fd, level, opt int, fprog *SockFprog) error {
@ -1008,6 +1040,14 @@ func SetsockoptCanRawFilter(fd, level, opt int, filter []CanFilter) error {
return setsockopt(fd, level, opt, p, uintptr(len(filter)*SizeofCanFilter)) return setsockopt(fd, level, opt, p, uintptr(len(filter)*SizeofCanFilter))
} }
func SetsockoptTpacketReq(fd, level, opt int, tp *TpacketReq) error {
return setsockopt(fd, level, opt, unsafe.Pointer(tp), unsafe.Sizeof(*tp))
}
func SetsockoptTpacketReq3(fd, level, opt int, tp *TpacketReq3) error {
return setsockopt(fd, level, opt, unsafe.Pointer(tp), unsafe.Sizeof(*tp))
}
// Keyctl Commands (http://man7.org/linux/man-pages/man2/keyctl.2.html) // Keyctl Commands (http://man7.org/linux/man-pages/man2/keyctl.2.html)
// KeyctlInt calls keyctl commands in which each argument is an int. // KeyctlInt calls keyctl commands in which each argument is an int.

View File

@ -19,12 +19,18 @@ func setTimeval(sec, usec int64) Timeval {
return Timeval{Sec: int32(sec), Usec: int32(usec)} return Timeval{Sec: int32(sec), Usec: int32(usec)}
} }
//sysnb pipe(p *[2]_C_int) (err error)
func Pipe(p []int) (err error) { func Pipe(p []int) (err error) {
if len(p) != 2 { if len(p) != 2 {
return EINVAL return EINVAL
} }
var pp [2]_C_int var pp [2]_C_int
// Try pipe2 first for Android O, then try pipe for kernel 2.6.23.
err = pipe2(&pp, 0) err = pipe2(&pp, 0)
if err == ENOSYS {
err = pipe(&pp)
}
p[0] = int(pp[0]) p[0] = int(pp[0])
p[1] = int(pp[1]) p[1] = int(pp[1])
return return

View File

@ -208,3 +208,16 @@ func Poll(fds []PollFd, timeout int) (n int, err error) {
} }
return ppoll(&fds[0], len(fds), ts, nil) return ppoll(&fds[0], len(fds), ts, nil)
} }
//sys kexecFileLoad(kernelFd int, initrdFd int, cmdlineLen int, cmdline string, flags int) (err error)
func KexecFileLoad(kernelFd int, initrdFd int, cmdline string, flags int) error {
cmdlineLen := len(cmdline)
if cmdlineLen > 0 {
// Account for the additional NULL byte added by
// BytePtrFromString in kexecFileLoad. The kexec_file_load
// syscall expects a NULL-terminated string.
cmdlineLen++
}
return kexecFileLoad(kernelFd, initrdFd, cmdlineLen, cmdline, flags)
}

View File

@ -211,3 +211,16 @@ func Poll(fds []PollFd, timeout int) (n int, err error) {
func Renameat(olddirfd int, oldpath string, newdirfd int, newpath string) (err error) { func Renameat(olddirfd int, oldpath string, newdirfd int, newpath string) (err error) {
return Renameat2(olddirfd, oldpath, newdirfd, newpath, 0) return Renameat2(olddirfd, oldpath, newdirfd, newpath, 0)
} }
//sys kexecFileLoad(kernelFd int, initrdFd int, cmdlineLen int, cmdline string, flags int) (err error)
func KexecFileLoad(kernelFd int, initrdFd int, cmdline string, flags int) error {
cmdlineLen := len(cmdline)
if cmdlineLen > 0 {
// Account for the additional NULL byte added by
// BytePtrFromString in kexecFileLoad. The kexec_file_load
// syscall expects a NULL-terminated string.
cmdlineLen++
}
return kexecFileLoad(kernelFd, initrdFd, cmdlineLen, cmdline, flags)
}

View File

@ -43,6 +43,23 @@ func nametomib(name string) (mib []_C_int, err error) {
return nil, EINVAL return nil, EINVAL
} }
func SysctlClockinfo(name string) (*Clockinfo, error) {
mib, err := sysctlmib(name)
if err != nil {
return nil, err
}
n := uintptr(SizeofClockinfo)
var ci Clockinfo
if err := sysctl(mib, (*byte)(unsafe.Pointer(&ci)), &n, nil, 0); err != nil {
return nil, err
}
if n != SizeofClockinfo {
return nil, EIO
}
return &ci, nil
}
func SysctlUvmexp(name string) (*Uvmexp, error) { func SysctlUvmexp(name string) (*Uvmexp, error) {
mib, err := sysctlmib(name) mib, err := sysctlmib(name)
if err != nil { if err != nil {

View File

@ -28,6 +28,11 @@ var (
errENOENT error = syscall.ENOENT errENOENT error = syscall.ENOENT
) )
var (
signalNameMapOnce sync.Once
signalNameMap map[string]syscall.Signal
)
// errnoErr returns common boxed Errno values, to prevent // errnoErr returns common boxed Errno values, to prevent
// allocations at runtime. // allocations at runtime.
func errnoErr(e syscall.Errno) error { func errnoErr(e syscall.Errno) error {
@ -66,6 +71,19 @@ func SignalName(s syscall.Signal) string {
return "" return ""
} }
// SignalNum returns the syscall.Signal for signal named s,
// or 0 if a signal with such name is not found.
// The signal name should start with "SIG".
func SignalNum(s string) syscall.Signal {
signalNameMapOnce.Do(func() {
signalNameMap = make(map[string]syscall.Signal)
for _, signal := range signalList {
signalNameMap[signal.name] = signal.num
}
})
return signalNameMap[s]
}
// clen returns the index of the first NULL byte in n or len(n) if n contains no NULL byte. // clen returns the index of the first NULL byte in n or len(n) if n contains no NULL byte.
func clen(n []byte) int { func clen(n []byte) int {
i := bytes.IndexByte(n, 0) i := bytes.IndexByte(n, 0)
@ -276,6 +294,13 @@ func GetsockoptTimeval(fd, level, opt int) (*Timeval, error) {
return &tv, err return &tv, err
} }
func GetsockoptUint64(fd, level, opt int) (value uint64, err error) {
var n uint64
vallen := _Socklen(8)
err = getsockopt(fd, level, opt, unsafe.Pointer(&n), &vallen)
return n, err
}
func Recvfrom(fd int, p []byte, flags int) (n int, from Sockaddr, err error) { func Recvfrom(fd int, p []byte, flags int) (n int, from Sockaddr, err error) {
var rsa RawSockaddrAny var rsa RawSockaddrAny
var len _Socklen = SizeofSockaddrAny var len _Socklen = SizeofSockaddrAny
@ -333,6 +358,10 @@ func SetsockoptTimeval(fd, level, opt int, tv *Timeval) (err error) {
return setsockopt(fd, level, opt, unsafe.Pointer(tv), unsafe.Sizeof(*tv)) return setsockopt(fd, level, opt, unsafe.Pointer(tv), unsafe.Sizeof(*tv))
} }
func SetsockoptUint64(fd, level, opt int, value uint64) (err error) {
return setsockopt(fd, level, opt, unsafe.Pointer(&value), 8)
}
func Socket(domain, typ, proto int) (fd int, err error) { func Socket(domain, typ, proto int) (fd int, err error) {
if domain == AF_INET6 && SocketDisableIPv6 { if domain == AF_INET6 && SocketDisableIPv6 {
return -1, EAFNOSUPPORT return -1, EAFNOSUPPORT
@ -377,3 +406,22 @@ func SetNonblock(fd int, nonblocking bool) (err error) {
func Exec(argv0 string, argv []string, envv []string) error { func Exec(argv0 string, argv []string, envv []string) error {
return syscall.Exec(argv0, argv, envv) return syscall.Exec(argv0, argv, envv)
} }
// Lutimes sets the access and modification times tv on path. If path refers to
// a symlink, it is not dereferenced and the timestamps are set on the symlink.
// If tv is nil, the access and modification times are set to the current time.
// Otherwise tv must contain exactly 2 elements, with access time as the first
// element and modification time as the second element.
func Lutimes(path string, tv []Timeval) error {
if tv == nil {
return UtimesNanoAt(AT_FDCWD, path, nil, AT_SYMLINK_NOFOLLOW)
}
if len(tv) != 2 {
return EINVAL
}
ts := []Timespec{
NsecToTimespec(TimevalToNsec(tv[0])),
NsecToTimespec(TimevalToNsec(tv[1])),
}
return UtimesNanoAt(AT_FDCWD, path, ts, AT_SYMLINK_NOFOLLOW)
}

View File

@ -275,3 +275,9 @@ const (
// uname // uname
type Utsname C.struct_utsname type Utsname C.struct_utsname
// Clockinfo
const SizeofClockinfo = C.sizeof_struct_clockinfo
type Clockinfo C.struct_clockinfo

View File

@ -274,3 +274,9 @@ type Utsname C.struct_utsname
const SizeofUvmexp = C.sizeof_struct_uvmexp const SizeofUvmexp = C.sizeof_struct_uvmexp
type Uvmexp C.struct_uvmexp type Uvmexp C.struct_uvmexp
// Clockinfo
const SizeofClockinfo = C.sizeof_struct_clockinfo
type Clockinfo C.struct_clockinfo

View File

@ -174,6 +174,7 @@ const (
B9600 = 0xd B9600 = 0xd
BALLOON_KVM_MAGIC = 0x13661366 BALLOON_KVM_MAGIC = 0x13661366
BDEVFS_MAGIC = 0x62646576 BDEVFS_MAGIC = 0x62646576
BINDERFS_SUPER_MAGIC = 0x6c6f6f70
BINFMTFS_MAGIC = 0x42494e4d BINFMTFS_MAGIC = 0x42494e4d
BLKBSZGET = 0x80041270 BLKBSZGET = 0x80041270
BLKBSZSET = 0x40041271 BLKBSZSET = 0x40041271
@ -486,6 +487,50 @@ const (
FALLOC_FL_PUNCH_HOLE = 0x2 FALLOC_FL_PUNCH_HOLE = 0x2
FALLOC_FL_UNSHARE_RANGE = 0x40 FALLOC_FL_UNSHARE_RANGE = 0x40
FALLOC_FL_ZERO_RANGE = 0x10 FALLOC_FL_ZERO_RANGE = 0x10
FANOTIFY_METADATA_VERSION = 0x3
FAN_ACCESS = 0x1
FAN_ACCESS_PERM = 0x20000
FAN_ALLOW = 0x1
FAN_ALL_CLASS_BITS = 0xc
FAN_ALL_EVENTS = 0x3b
FAN_ALL_INIT_FLAGS = 0x3f
FAN_ALL_MARK_FLAGS = 0xff
FAN_ALL_OUTGOING_EVENTS = 0x3403b
FAN_ALL_PERM_EVENTS = 0x30000
FAN_AUDIT = 0x10
FAN_CLASS_CONTENT = 0x4
FAN_CLASS_NOTIF = 0x0
FAN_CLASS_PRE_CONTENT = 0x8
FAN_CLOEXEC = 0x1
FAN_CLOSE = 0x18
FAN_CLOSE_NOWRITE = 0x10
FAN_CLOSE_WRITE = 0x8
FAN_DENY = 0x2
FAN_ENABLE_AUDIT = 0x40
FAN_EVENT_METADATA_LEN = 0x18
FAN_EVENT_ON_CHILD = 0x8000000
FAN_MARK_ADD = 0x1
FAN_MARK_DONT_FOLLOW = 0x4
FAN_MARK_FILESYSTEM = 0x100
FAN_MARK_FLUSH = 0x80
FAN_MARK_IGNORED_MASK = 0x20
FAN_MARK_IGNORED_SURV_MODIFY = 0x40
FAN_MARK_INODE = 0x0
FAN_MARK_MOUNT = 0x10
FAN_MARK_ONLYDIR = 0x8
FAN_MARK_REMOVE = 0x2
FAN_MODIFY = 0x2
FAN_NOFD = -0x1
FAN_NONBLOCK = 0x2
FAN_ONDIR = 0x40000000
FAN_OPEN = 0x20
FAN_OPEN_EXEC = 0x1000
FAN_OPEN_EXEC_PERM = 0x40000
FAN_OPEN_PERM = 0x10000
FAN_Q_OVERFLOW = 0x4000
FAN_REPORT_TID = 0x100
FAN_UNLIMITED_MARKS = 0x20
FAN_UNLIMITED_QUEUE = 0x10
FD_CLOEXEC = 0x1 FD_CLOEXEC = 0x1
FD_SETSIZE = 0x400 FD_SETSIZE = 0x400
FF0 = 0x0 FF0 = 0x0
@ -493,6 +538,7 @@ const (
FFDLY = 0x8000 FFDLY = 0x8000
FLUSHO = 0x1000 FLUSHO = 0x1000
FP_XSTATE_MAGIC2 = 0x46505845 FP_XSTATE_MAGIC2 = 0x46505845
FS_ENCRYPTION_MODE_ADIANTUM = 0x9
FS_ENCRYPTION_MODE_AES_128_CBC = 0x5 FS_ENCRYPTION_MODE_AES_128_CBC = 0x5
FS_ENCRYPTION_MODE_AES_128_CTS = 0x6 FS_ENCRYPTION_MODE_AES_128_CTS = 0x6
FS_ENCRYPTION_MODE_AES_256_CBC = 0x3 FS_ENCRYPTION_MODE_AES_256_CBC = 0x3
@ -514,7 +560,7 @@ const (
FS_POLICY_FLAGS_PAD_4 = 0x0 FS_POLICY_FLAGS_PAD_4 = 0x0
FS_POLICY_FLAGS_PAD_8 = 0x1 FS_POLICY_FLAGS_PAD_8 = 0x1
FS_POLICY_FLAGS_PAD_MASK = 0x3 FS_POLICY_FLAGS_PAD_MASK = 0x3
FS_POLICY_FLAGS_VALID = 0x3 FS_POLICY_FLAGS_VALID = 0x7
FUTEXFS_SUPER_MAGIC = 0xbad1dea FUTEXFS_SUPER_MAGIC = 0xbad1dea
F_ADD_SEALS = 0x409 F_ADD_SEALS = 0x409
F_DUPFD = 0x0 F_DUPFD = 0x0
@ -1134,7 +1180,7 @@ const (
NETLINK_UNUSED = 0x1 NETLINK_UNUSED = 0x1
NETLINK_USERSOCK = 0x2 NETLINK_USERSOCK = 0x2
NETLINK_XFRM = 0x6 NETLINK_XFRM = 0x6
NETNSA_MAX = 0x3 NETNSA_MAX = 0x5
NETNSA_NSID_NOT_ASSIGNED = -0x1 NETNSA_NSID_NOT_ASSIGNED = -0x1
NFNETLINK_V0 = 0x0 NFNETLINK_V0 = 0x0
NFNLGRP_ACCT_QUOTA = 0x8 NFNLGRP_ACCT_QUOTA = 0x8
@ -1398,6 +1444,12 @@ const (
PR_MCE_KILL_SET = 0x1 PR_MCE_KILL_SET = 0x1
PR_MPX_DISABLE_MANAGEMENT = 0x2c PR_MPX_DISABLE_MANAGEMENT = 0x2c
PR_MPX_ENABLE_MANAGEMENT = 0x2b PR_MPX_ENABLE_MANAGEMENT = 0x2b
PR_PAC_APDAKEY = 0x4
PR_PAC_APDBKEY = 0x8
PR_PAC_APGAKEY = 0x10
PR_PAC_APIAKEY = 0x1
PR_PAC_APIBKEY = 0x2
PR_PAC_RESET_KEYS = 0x36
PR_SET_CHILD_SUBREAPER = 0x24 PR_SET_CHILD_SUBREAPER = 0x24
PR_SET_DUMPABLE = 0x4 PR_SET_DUMPABLE = 0x4
PR_SET_ENDIAN = 0x14 PR_SET_ENDIAN = 0x14
@ -2232,6 +2284,7 @@ const (
TUNGETVNETBE = 0x800454df TUNGETVNETBE = 0x800454df
TUNGETVNETHDRSZ = 0x800454d7 TUNGETVNETHDRSZ = 0x800454d7
TUNGETVNETLE = 0x800454dd TUNGETVNETLE = 0x800454dd
TUNSETCARRIER = 0x400454e2
TUNSETDEBUG = 0x400454c9 TUNSETDEBUG = 0x400454c9
TUNSETFILTEREBPF = 0x800454e1 TUNSETFILTEREBPF = 0x800454e1
TUNSETGROUP = 0x400454ce TUNSETGROUP = 0x400454ce

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