mirror of
https://github.com/SagerNet/sing-box.git
synced 2024-11-22 00:21:30 +00:00
Move shadowsocksr implementation to clash
This commit is contained in:
世界
parent
395b13103a
commit
92bf784f4f
2
go.mod
2
go.mod
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@ -4,6 +4,7 @@ go 1.18
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require (
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berty.tech/go-libtor v1.0.385
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github.com/Dreamacro/clash v1.11.8
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github.com/caddyserver/certmagic v0.17.1
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github.com/cloudflare/circl v1.2.1-0.20220831060716-4cf0150356fc
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github.com/cretz/bine v0.2.0
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@ -22,7 +23,6 @@ require (
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github.com/pires/go-proxyproto v0.6.2
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github.com/refraction-networking/utls v1.1.2
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github.com/sagernet/quic-go v0.0.0-20220818150011-de611ab3e2bb
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github.com/sagernet/shadowsocksr v0.0.0-20220912092645-c9ab93f81bb0
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github.com/sagernet/sing v0.0.0-20220914045234-93cc53b60cee
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github.com/sagernet/sing-dns v0.0.0-20220913115644-aebff1dfbba8
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github.com/sagernet/sing-shadowsocks v0.0.0-20220819002358-7461bb09a8f6
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11
go.sum
11
go.sum
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@ -3,6 +3,8 @@ berty.tech/go-libtor v1.0.385/go.mod h1:9swOOQVb+kmvuAlsgWUK/4c52pm69AdbJsxLzk+f
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cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
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cloud.google.com/go v0.34.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
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github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
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github.com/Dreamacro/clash v1.11.8 h1:t/sy3/tiihRlvV3SsliYFjj8rKpbLw5IJ2PymiHcwS8=
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github.com/Dreamacro/clash v1.11.8/go.mod h1:LsWCcJFoKuL1C5F2c0m/1690wihTHYSU3J+im09yTwQ=
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github.com/ajg/form v1.5.1 h1:t9c7v8JUKu/XxOGBU0yjNpaMloxGEJhUkqFRq0ibGeU=
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github.com/ajg/form v1.5.1/go.mod h1:uL1WgH+h2mgNtvBq0339dVnzXdBETtL2LeUXaIv25UY=
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github.com/andybalholm/brotli v1.0.4 h1:V7DdXeJtZscaqfNuAdSRuRFzuiKlHSC/Zh3zl9qY3JY=
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@ -93,8 +95,8 @@ github.com/klauspost/cpuid/v2 v2.1.0/go.mod h1:RVVoqg1df56z8g3pUjL/3lE5UfnlrJX8t
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github.com/kr/pretty v0.1.0 h1:L/CwN0zerZDmRFUapSPitk6f+Q3+0za1rQkzVuMiMFI=
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github.com/kr/pretty v0.1.0/go.mod h1:dAy3ld7l9f0ibDNOQOHHMYYIIbhfbHSm3C4ZsoJORNo=
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github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ=
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github.com/kr/text v0.1.0 h1:45sCR5RtlFHMR4UwH9sdQ5TC8v0qDQCHnXt+kaKSTVE=
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github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI=
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github.com/kr/text v0.2.0 h1:5Nx0Ya0ZqY2ygV366QzturHI13Jq95ApcVaJBhpS+AY=
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github.com/libdns/libdns v0.2.1 h1:Wu59T7wSHRgtA0cfxC+n1c/e+O3upJGWytknkmFEDis=
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github.com/libdns/libdns v0.2.1/go.mod h1:yQCXzk1lEZmmCPa857bnk4TsOiqYasqpyOEeSObbb40=
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github.com/logrusorgru/aurora v2.0.3+incompatible h1:tOpm7WcpBTn4fjmVfgpQq0EfczGlG91VSDkswnjF5A8=
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@ -141,8 +143,6 @@ github.com/sagernet/netlink v0.0.0-20220905062125-8043b4a9aa97 h1:iL5gZI3uFp0X6E
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github.com/sagernet/netlink v0.0.0-20220905062125-8043b4a9aa97/go.mod h1:xLnfdiJbSp8rNqYEdIW/6eDO4mVoogml14Bh2hSiFpM=
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github.com/sagernet/quic-go v0.0.0-20220818150011-de611ab3e2bb h1:wc0yQ+SBn4TaTYRwpwvEm3nc4eRdxk6vtRbouLVZAzk=
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github.com/sagernet/quic-go v0.0.0-20220818150011-de611ab3e2bb/go.mod h1:MIccjRKnPTjWwAOpl+AUGWOkzyTd9tERytudxu+1ra4=
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github.com/sagernet/shadowsocksr v0.0.0-20220912092645-c9ab93f81bb0 h1:lQ4RFWY/wBYmXl/zJJCwQbhiEIbgEqC7j+nhZYkgwmU=
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github.com/sagernet/shadowsocksr v0.0.0-20220912092645-c9ab93f81bb0/go.mod h1:xSHLCsdgy5QIozXFEv6uDgMWzyrRdFFjr3TgL+juu6g=
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github.com/sagernet/sing v0.0.0-20220812082120-05f9836bff8f/go.mod h1:QVsS5L/ZA2Q5UhQwLrn0Trw+msNd/NPGEhBKR/ioWiY=
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github.com/sagernet/sing v0.0.0-20220817130738-ce854cda8522/go.mod h1:QVsS5L/ZA2Q5UhQwLrn0Trw+msNd/NPGEhBKR/ioWiY=
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github.com/sagernet/sing v0.0.0-20220914045234-93cc53b60cee h1:+3w7+QWnhWi3Qz7+Xcais8zViHRUPIkmxq3eYZm/zvk=
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@ -194,7 +194,6 @@ golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACk
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golang.org/x/crypto v0.0.0-20190404164418-38d8ce5564a5/go.mod h1:WFFai1msRO1wXaEeE5yQxYXgSfI8pQAWXbQop6sCtWE=
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golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
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golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
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golang.org/x/crypto v0.0.0-20201203163018-be400aefbc4c/go.mod h1:jdWPYTVW3xRLrWPugEBEK3UY2ZEsg3UU495nc5E+M+I=
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golang.org/x/crypto v0.0.0-20210513164829-c07d793c2f9a/go.mod h1:P+XmwS30IXTQdn5tA2iutPOUgjI07+tq3H3K9MVA1s8=
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golang.org/x/crypto v0.0.0-20211108221036-ceb1ce70b4fa/go.mod h1:GvvjBRRGRdwPK5ydBHafDWAxML/pGHZbMvKqRZ5+Abc=
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golang.org/x/crypto v0.0.0-20220829220503-c86fa9a7ed90 h1:Y/gsMcFOcR+6S6f3YeMKl5g+dZMEWqcz5Czj/GWYbkM=
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@ -239,8 +238,8 @@ golang.org/x/sync v0.0.0-20181108010431-42b317875d0f/go.mod h1:RxMgew5VJxzue5/jJ
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golang.org/x/sync v0.0.0-20181221193216-37e7f081c4d4/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
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golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
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golang.org/x/sync v0.0.0-20201020160332-67f06af15bc9/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
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golang.org/x/sync v0.0.0-20210220032951-036812b2e83c h1:5KslGYwFpkhGh+Q16bwMP3cOontH8FOep7tGV86Y7SQ=
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golang.org/x/sync v0.0.0-20210220032951-036812b2e83c/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
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golang.org/x/sync v0.0.0-20220819030929-7fc1605a5dde h1:ejfdSekXMDxDLbRrJMwUk6KnSLZ2McaUCVcIKM+N6jc=
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golang.org/x/sys v0.0.0-20180830151530-49385e6e1522/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
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golang.org/x/sys v0.0.0-20180909124046-d0be0721c37e/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
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golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
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@ -248,7 +247,6 @@ golang.org/x/sys v0.0.0-20190403152447-81d4e9dc473e/go.mod h1:h1NjWce9XRLGQEsW7w
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golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
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golang.org/x/sys v0.0.0-20190904154756-749cb33beabd/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
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golang.org/x/sys v0.0.0-20191005200804-aed5e4c7ecf9/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
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golang.org/x/sys v0.0.0-20191026070338-33540a1f6037/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
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golang.org/x/sys v0.0.0-20191120155948-bd437916bb0e/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
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golang.org/x/sys v0.0.0-20200217220822-9197077df867/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
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golang.org/x/sys v0.0.0-20200323222414-85ca7c5b95cd/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
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@ -268,7 +266,6 @@ golang.org/x/sys v0.0.0-20220704084225-05e143d24a9e/go.mod h1:oPkhp1MJrh7nUepCBc
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golang.org/x/sys v0.0.0-20220731174439-a90be440212d/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
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golang.org/x/sys v0.0.0-20220913120320-3275c407cedc h1:dpclq5m2YrqPGStKmtw7IcNbKLfbIqKXvNxDJKdIKYc=
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golang.org/x/sys v0.0.0-20220913120320-3275c407cedc/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
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golang.org/x/term v0.0.0-20201117132131-f5c789dd3221/go.mod h1:Nr5EML6q2oocZ2LXRh80K7BxOlk5/8JxuGnuhpl+muw=
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golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
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golang.org/x/term v0.0.0-20210927222741-03fcf44c2211 h1:JGgROgKl9N8DuW20oFS5gxc+lE67/N3FcwmBPMe7ArY=
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golang.org/x/term v0.0.0-20210927222741-03fcf44c2211/go.mod h1:jbD1KX2456YbFQfuXm/mYQcufACuNUgVhRMnK/tPxf8=
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@ -4,26 +4,25 @@ package outbound
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import (
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"context"
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"errors"
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"fmt"
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"net"
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"strings"
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"github.com/sagernet/shadowsocksr"
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"github.com/sagernet/shadowsocksr/obfs"
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"github.com/sagernet/shadowsocksr/protocol"
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"github.com/sagernet/shadowsocksr/ssr"
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"github.com/sagernet/shadowsocksr/streamCipher"
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"github.com/sagernet/sing-box/adapter"
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"github.com/sagernet/sing-box/common/dialer"
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C "github.com/sagernet/sing-box/constant"
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"github.com/sagernet/sing-box/log"
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"github.com/sagernet/sing-box/option"
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"github.com/sagernet/sing-shadowsocks"
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"github.com/sagernet/sing-shadowsocks/shadowimpl"
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"github.com/sagernet/sing/common"
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"github.com/sagernet/sing-box/transport/clashssr/obfs"
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"github.com/sagernet/sing-box/transport/clashssr/protocol"
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"github.com/sagernet/sing/common/bufio"
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E "github.com/sagernet/sing/common/exceptions"
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M "github.com/sagernet/sing/common/metadata"
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N "github.com/sagernet/sing/common/network"
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"github.com/Dreamacro/clash/transport/shadowsocks/core"
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"github.com/Dreamacro/clash/transport/shadowsocks/shadowstream"
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"github.com/Dreamacro/clash/transport/socks5"
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)
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var _ adapter.Outbound = (*ShadowsocksR)(nil)
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@ -32,13 +31,9 @@ type ShadowsocksR struct {
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myOutboundAdapter
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dialer N.Dialer
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serverAddr M.Socksaddr
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method shadowsocks.Method
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cipher string
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password string
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obfs string
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obfsParams *ssr.ServerInfo
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protocol string
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protocolParams *ssr.ServerInfo
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cipher core.Cipher
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obfs obfs.Obfs
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protocol protocol.Protocol
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}
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func NewShadowsocksR(ctx context.Context, router adapter.Router, logger log.ContextLogger, tag string, options option.ShadowsocksROutboundOptions) (*ShadowsocksR, error) {
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@ -52,40 +47,54 @@ func NewShadowsocksR(ctx context.Context, router adapter.Router, logger log.Cont
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},
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dialer: dialer.New(router, options.DialerOptions),
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serverAddr: options.ServerOptions.Build(),
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cipher: options.Method,
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password: options.Password,
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obfs: options.Obfs,
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protocol: options.Protocol,
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}
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var cipher string
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var err error
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outbound.method, err = shadowimpl.FetchMethod(options.Method, options.Password)
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switch options.Method {
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case "none":
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cipher = "dummy"
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default:
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cipher = options.Method
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}
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outbound.cipher, err = core.PickCipher(cipher, nil, options.Password)
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if err != nil {
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return nil, err
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}
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if _, err = streamCipher.NewStreamCipher(options.Method, options.Password); err != nil {
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return nil, E.New(strings.ToLower(err.Error()))
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var (
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ivSize int
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key []byte
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)
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if cipher == "dummy" {
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ivSize = 0
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key = core.Kdf(options.Password, 16)
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} else {
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streamCipher, ok := outbound.cipher.(*core.StreamCipher)
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if !ok {
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return nil, fmt.Errorf("%s is not none or a supported stream cipher in ssr", cipher)
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}
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if obfs.NewObfs(options.Obfs) == nil {
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return nil, E.New("unknown obfs: " + options.Obfs)
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ivSize = streamCipher.IVSize()
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key = streamCipher.Key
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}
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outbound.obfsParams = &ssr.ServerInfo{
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Host: outbound.serverAddr.AddrString(),
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Port: outbound.serverAddr.Port,
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TcpMss: 1460,
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obfs, obfsOverhead, err := obfs.PickObfs(options.Obfs, &obfs.Base{
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Host: options.Server,
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Port: int(options.ServerPort),
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Key: key,
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IVSize: ivSize,
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Param: options.ObfsParam,
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})
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if err != nil {
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return nil, E.Cause(err, "initialize obfs")
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}
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if protocol.NewProtocol(options.Protocol) == nil {
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return nil, E.New("unknown protocol: " + options.Protocol)
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}
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outbound.protocolParams = &ssr.ServerInfo{
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Host: outbound.serverAddr.AddrString(),
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Port: outbound.serverAddr.Port,
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TcpMss: 1460,
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Param: options.Protocol,
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}
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if outbound.method == nil {
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outbound.network = common.Filter(outbound.network, func(it string) bool { return it == N.NetworkTCP })
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protocol, err := protocol.PickProtocol(options.Protocol, &protocol.Base{
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Key: key,
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Overhead: obfsOverhead,
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Param: options.ProtocolParam,
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})
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if err != nil {
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return nil, E.Cause(err, "initialize protocol")
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}
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outbound.obfs = obfs
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outbound.protocol = protocol
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return outbound, nil
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}
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@ -97,20 +106,17 @@ func (h *ShadowsocksR) DialContext(ctx context.Context, network string, destinat
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if err != nil {
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return nil, err
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}
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cipher, err := streamCipher.NewStreamCipher(h.cipher, h.password)
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conn = h.cipher.StreamConn(h.obfs.StreamConn(conn))
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writeIv, err := conn.(*shadowstream.Conn).ObtainWriteIV()
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if err != nil {
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return nil, E.New(strings.ToLower(err.Error()))
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return nil, err
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}
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ssConn := shadowsocksr.NewSSTCPConn(conn, cipher)
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ssConn.IObfs = obfs.NewObfs(h.obfs)
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ssConn.IObfs.SetServerInfo(h.obfsParams)
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ssConn.IProtocol = protocol.NewProtocol(h.protocol)
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ssConn.IProtocol.SetServerInfo(h.protocolParams)
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err = M.SocksaddrSerializer.WriteAddrPort(ssConn, destination)
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conn = h.protocol.StreamConn(conn, writeIv)
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err = M.SocksaddrSerializer.WriteAddrPort(conn, destination)
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if err != nil {
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return nil, E.Cause(err, "write request")
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}
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return ssConn, nil
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return conn, nil
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case N.NetworkUDP:
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conn, err := h.ListenPacket(ctx, destination)
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if err != nil {
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@ -128,7 +134,10 @@ func (h *ShadowsocksR) ListenPacket(ctx context.Context, destination M.Socksaddr
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if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
return h.method.DialPacketConn(outConn), nil
|
||||
packetConn := h.cipher.PacketConn(bufio.NewUnbindPacketConn(outConn))
|
||||
packetConn = h.protocol.PacketConn(packetConn)
|
||||
packetConn = &ssPacketConn{packetConn, outConn.RemoteAddr()}
|
||||
return packetConn, nil
|
||||
}
|
||||
|
||||
func (h *ShadowsocksR) NewConnection(ctx context.Context, conn net.Conn, metadata adapter.InboundContext) error {
|
||||
|
|
@ -138,3 +147,36 @@ func (h *ShadowsocksR) NewConnection(ctx context.Context, conn net.Conn, metadat
|
|||
func (h *ShadowsocksR) NewPacketConnection(ctx context.Context, conn N.PacketConn, metadata adapter.InboundContext) error {
|
||||
return NewPacketConnection(ctx, h, conn, metadata)
|
||||
}
|
||||
|
||||
type ssPacketConn struct {
|
||||
net.PacketConn
|
||||
rAddr net.Addr
|
||||
}
|
||||
|
||||
func (spc *ssPacketConn) WriteTo(b []byte, addr net.Addr) (n int, err error) {
|
||||
packet, err := socks5.EncodeUDPPacket(socks5.ParseAddrToSocksAddr(addr), b)
|
||||
if err != nil {
|
||||
return
|
||||
}
|
||||
return spc.PacketConn.WriteTo(packet[3:], spc.rAddr)
|
||||
}
|
||||
|
||||
func (spc *ssPacketConn) ReadFrom(b []byte) (int, net.Addr, error) {
|
||||
n, _, e := spc.PacketConn.ReadFrom(b)
|
||||
if e != nil {
|
||||
return 0, nil, e
|
||||
}
|
||||
|
||||
addr := socks5.SplitAddr(b[:n])
|
||||
if addr == nil {
|
||||
return 0, nil, errors.New("parse addr error")
|
||||
}
|
||||
|
||||
udpAddr := addr.UDPAddr()
|
||||
if udpAddr == nil {
|
||||
return 0, nil, errors.New("parse addr error")
|
||||
}
|
||||
|
||||
copy(b, b[len(addr):])
|
||||
return n - len(addr), udpAddr, e
|
||||
}
|
||||
|
|
|
|||
9
transport/clashssr/obfs/base.go
Normal file
9
transport/clashssr/obfs/base.go
Normal file
|
|
@ -0,0 +1,9 @@
|
|||
package obfs
|
||||
|
||||
type Base struct {
|
||||
Host string
|
||||
Port int
|
||||
Key []byte
|
||||
IVSize int
|
||||
Param string
|
||||
}
|
||||
9
transport/clashssr/obfs/http_post.go
Normal file
9
transport/clashssr/obfs/http_post.go
Normal file
|
|
@ -0,0 +1,9 @@
|
|||
package obfs
|
||||
|
||||
func init() {
|
||||
register("http_post", newHTTPPost, 0)
|
||||
}
|
||||
|
||||
func newHTTPPost(b *Base) Obfs {
|
||||
return &httpObfs{Base: b, post: true}
|
||||
}
|
||||
405
transport/clashssr/obfs/http_simple.go
Normal file
405
transport/clashssr/obfs/http_simple.go
Normal file
|
|
@ -0,0 +1,405 @@
|
|||
package obfs
|
||||
|
||||
import (
|
||||
"bytes"
|
||||
"encoding/hex"
|
||||
"io"
|
||||
"math/rand"
|
||||
"net"
|
||||
"strconv"
|
||||
"strings"
|
||||
|
||||
"github.com/Dreamacro/clash/common/pool"
|
||||
)
|
||||
|
||||
func init() {
|
||||
register("http_simple", newHTTPSimple, 0)
|
||||
}
|
||||
|
||||
type httpObfs struct {
|
||||
*Base
|
||||
post bool
|
||||
}
|
||||
|
||||
func newHTTPSimple(b *Base) Obfs {
|
||||
return &httpObfs{Base: b}
|
||||
}
|
||||
|
||||
type httpConn struct {
|
||||
net.Conn
|
||||
*httpObfs
|
||||
hasSentHeader bool
|
||||
hasRecvHeader bool
|
||||
buf []byte
|
||||
}
|
||||
|
||||
func (h *httpObfs) StreamConn(c net.Conn) net.Conn {
|
||||
return &httpConn{Conn: c, httpObfs: h}
|
||||
}
|
||||
|
||||
func (c *httpConn) Read(b []byte) (int, error) {
|
||||
if c.buf != nil {
|
||||
n := copy(b, c.buf)
|
||||
if n == len(c.buf) {
|
||||
c.buf = nil
|
||||
} else {
|
||||
c.buf = c.buf[n:]
|
||||
}
|
||||
return n, nil
|
||||
}
|
||||
|
||||
if c.hasRecvHeader {
|
||||
return c.Conn.Read(b)
|
||||
}
|
||||
|
||||
buf := pool.Get(pool.RelayBufferSize)
|
||||
defer pool.Put(buf)
|
||||
n, err := c.Conn.Read(buf)
|
||||
if err != nil {
|
||||
return 0, err
|
||||
}
|
||||
pos := bytes.Index(buf[:n], []byte("\r\n\r\n"))
|
||||
if pos == -1 {
|
||||
return 0, io.EOF
|
||||
}
|
||||
c.hasRecvHeader = true
|
||||
dataLength := n - pos - 4
|
||||
n = copy(b, buf[4+pos:n])
|
||||
if dataLength > n {
|
||||
c.buf = append(c.buf, buf[4+pos+n:4+pos+dataLength]...)
|
||||
}
|
||||
return n, nil
|
||||
}
|
||||
|
||||
func (c *httpConn) Write(b []byte) (int, error) {
|
||||
if c.hasSentHeader {
|
||||
return c.Conn.Write(b)
|
||||
}
|
||||
// 30: head length
|
||||
headLength := c.IVSize + 30
|
||||
|
||||
bLength := len(b)
|
||||
headDataLength := bLength
|
||||
if bLength-headLength > 64 {
|
||||
headDataLength = headLength + rand.Intn(65)
|
||||
}
|
||||
headData := b[:headDataLength]
|
||||
b = b[headDataLength:]
|
||||
|
||||
var body string
|
||||
host := c.Host
|
||||
if len(c.Param) > 0 {
|
||||
pos := strings.Index(c.Param, "#")
|
||||
if pos != -1 {
|
||||
body = strings.ReplaceAll(c.Param[pos+1:], "\n", "\r\n")
|
||||
body = strings.ReplaceAll(body, "\\n", "\r\n")
|
||||
host = c.Param[:pos]
|
||||
} else {
|
||||
host = c.Param
|
||||
}
|
||||
}
|
||||
hosts := strings.Split(host, ",")
|
||||
host = hosts[rand.Intn(len(hosts))]
|
||||
|
||||
buf := pool.GetBuffer()
|
||||
defer pool.PutBuffer(buf)
|
||||
if c.post {
|
||||
buf.WriteString("POST /")
|
||||
} else {
|
||||
buf.WriteString("GET /")
|
||||
}
|
||||
packURLEncodedHeadData(buf, headData)
|
||||
buf.WriteString(" HTTP/1.1\r\nHost: " + host)
|
||||
if c.Port != 80 {
|
||||
buf.WriteString(":" + strconv.Itoa(c.Port))
|
||||
}
|
||||
buf.WriteString("\r\n")
|
||||
if len(body) > 0 {
|
||||
buf.WriteString(body + "\r\n\r\n")
|
||||
} else {
|
||||
buf.WriteString("User-Agent: ")
|
||||
buf.WriteString(userAgent[rand.Intn(len(userAgent))])
|
||||
buf.WriteString("\r\nAccept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8\r\nAccept-Language: en-US,en;q=0.8\r\nAccept-Encoding: gzip, deflate\r\n")
|
||||
if c.post {
|
||||
packBoundary(buf)
|
||||
}
|
||||
buf.WriteString("DNT: 1\r\nConnection: keep-alive\r\n\r\n")
|
||||
}
|
||||
buf.Write(b)
|
||||
_, err := c.Conn.Write(buf.Bytes())
|
||||
if err != nil {
|
||||
return 0, nil
|
||||
}
|
||||
c.hasSentHeader = true
|
||||
return bLength, nil
|
||||
}
|
||||
|
||||
func packURLEncodedHeadData(buf *bytes.Buffer, data []byte) {
|
||||
dataLength := len(data)
|
||||
for i := 0; i < dataLength; i++ {
|
||||
buf.WriteRune('%')
|
||||
buf.WriteString(hex.EncodeToString(data[i : i+1]))
|
||||
}
|
||||
}
|
||||
|
||||
func packBoundary(buf *bytes.Buffer) {
|
||||
buf.WriteString("Content-Type: multipart/form-data; boundary=")
|
||||
set := "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789"
|
||||
for i := 0; i < 32; i++ {
|
||||
buf.WriteByte(set[rand.Intn(62)])
|
||||
}
|
||||
buf.WriteString("\r\n")
|
||||
}
|
||||
|
||||
var userAgent = []string{
|
||||
"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/65.0.3325.162 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/45.0.2454.85 Safari/537.36",
|
||||
"Mozilla/5.0 (Linux; Android 7.0; Moto C Build/NRD90M.059) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/69.0.3497.100 Mobile Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/68.0.3440.106 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.102 Safari/537.36",
|
||||
"Mozilla/5.0 (Linux; Android 6.0.1; SM-G532M Build/MMB29T; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/55.0.2883.91 Mobile Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 6.2; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/46.0.2490.80 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/41.0.2272.101 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 6.2; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.102 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/40.0.2214.111 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 6.3; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/62.0.3202.94 Safari/537.36",
|
||||
"Mozilla/5.0 (Linux; Android 5.1.1; SM-J120M Build/LMY47X) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/69.0.3497.100 Mobile Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 6.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/46.0.2490.80 Safari/537.36",
|
||||
"Mozilla/5.0 (Linux; Android 7.0; Moto G (5) Build/NPPS25.137-93-14) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/69.0.3497.100 Mobile Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 6.2; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/51.0.2704.106 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 6.3; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/65.0.3325.181 Safari/537.36",
|
||||
"Mozilla/5.0 (Linux; Android 7.0; SM-G570M) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.80 Mobile Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 5.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/46.0.2490.80 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 10.0) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.102 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/49.0.2623.112 Safari/537.36",
|
||||
"Mozilla/5.0 (Linux; Android 6.0; CAM-L03 Build/HUAWEICAM-L03) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/69.0.3497.100 Mobile Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 6.3; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/41.0.2272.76 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 6.3; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/66.0.3359.117 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US) AppleWebKit/534.3 (KHTML, like Gecko) Chrome/6.0.472.63 Safari/534.3",
|
||||
"Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/55.0.2883.87 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 6.3; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.102 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/47.0.2526.106 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows; U; Windows NT 6.1; en-US) AppleWebKit/534.7 (KHTML, like Gecko) Chrome/7.0.517.44 Safari/534.7",
|
||||
"Mozilla/5.0 (Windows NT 6.3; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/52.0.2743.116 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/68.0.3440.75 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/54.0.2840.71 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows; U; Windows NT 6.1; en-US) AppleWebKit/534.3 (KHTML, like Gecko) Chrome/6.0.472.63 Safari/534.3",
|
||||
"Mozilla/5.0 (Linux; Android 8.0.0; FIG-LX3) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.80 Mobile Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/40.0.2214.115 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/52.0.2743.116 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows; U; Windows NT 6.1; en-US) AppleWebKit/534.10 (KHTML, like Gecko) Chrome/8.0.552.237 Safari/534.10",
|
||||
"Mozilla/5.0 (Windows NT 6.3; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/60.0.3112.90 Safari/537.36",
|
||||
"Mozilla/5.0 (X11; U; Linux x86_64; en-US) AppleWebKit/533.2 (KHTML, like Gecko) Chrome/5.0.342.1 Safari/533.2",
|
||||
"Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.102 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/49.0.2623.110 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 6.3; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/62.0.3202.89 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/58.0.3029.81 Safari/537.36",
|
||||
"Mozilla/5.0 (X11; Datanyze; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/65.0.3325.181 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 6.3; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/63.0.3239.132 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/54.0.2840.71 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/35.0.1916.153 Safari/537.36",
|
||||
"Mozilla/5.0 (Linux; Android 5.1.1; SM-J111M Build/LMY47V) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/69.0.3497.100 Mobile Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/57.0.2987.133 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 6.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/51.0.2704.106 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/65.0.3325.181 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/37.0.2062.120 Safari/537.36",
|
||||
"Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/69.0.3497.100 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/63.0.3239.84 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/54.0.2840.99 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/32.0.1700.107 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 10.0) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/69.0.3497.100 Safari/537.36",
|
||||
"Mozilla/5.0 (Linux; Android 6.0.1; SM-J700M Build/MMB29K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/69.0.3497.100 Mobile Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 6.3; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/51.0.2704.63 Safari/537.36",
|
||||
"Mozilla/5.0 (X11; Linux i686) AppleWebKit/534.30 (KHTML, like Gecko) Slackware/Chrome/12.0.742.100 Safari/534.30",
|
||||
"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/69.0.3497.100 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/46.0.2490.86 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/64.0.3282.167 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/48.0.2564.116 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/50.0.2661.102 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/53.0.2785.143 Safari/537.36",
|
||||
"Mozilla/5.0 (X11; Linux i686) AppleWebKit/534.30 (KHTML, like Gecko) Chrome/12.0.742.100 Safari/534.30",
|
||||
"Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/69.0.3497.100 Safari/537.36",
|
||||
"Mozilla/5.0 (Linux; Android 8.0.0; WAS-LX3 Build/HUAWEIWAS-LX3) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/69.0.3497.100 Mobile Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/54.0.2840.99 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/57.0.2987.133 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/49.0.2623.87 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/50.0.2661.102 Safari/537.36",
|
||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
"Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/60.0.3112.90 Safari/537.36",
|
||||
"Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/44.0.2403.157 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 5.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/46.0.2490.71 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 5.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/60.0.3112.90 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 6.2; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/60.0.3112.90 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/69.0.3497.100 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 6.3; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/60.0.3112.113 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 6.2; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/42.0.2311.90 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/63.0.3239.132 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/57.0.2987.133 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/60.0.3112.90 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.77 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/69.0.3497.100 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.99 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/61.0.3163.100 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.77 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.102 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.31 (KHTML, like Gecko) Chrome/26.0.1410.64 Safari/537.31",
|
||||
"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/63.0.3239.84 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/55.0.2883.87 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/57.0.2987.133 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/64.0.3282.186 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/59.0.3071.115 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/68.0.3440.106 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/69.0.3497.100 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/55.0.2883.87 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/46.0.2490.80 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/36.0.1985.143 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 5.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/49.0.2623.112 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.67 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/65.0.3325.181 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/66.0.3359.181 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.99 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/52.0.2743.116 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/51.0.2704.106 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 6.3; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/69.0.3497.100 Safari/537.36",
|
||||
"Mozilla/5.0 (Linux; Android 6.0.1; SM-G532G Build/MMB29T) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/63.0.3239.83 Mobile Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/48.0.2564.109 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/66.0.3359.117 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/66.0.3359.139 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.102 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.67 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/34.0.1847.131 Safari/537.36",
|
||||
"Mozilla/5.0 (Linux; Android 6.0; vivo 1713 Build/MRA58K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/53.0.2785.124 Mobile Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/62.0.3202.89 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/46.0.2490.80 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/41.0.2272.101 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.67 Safari/537.36",
|
||||
"Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/68.0.3440.106 Safari/537.36",
|
||||
}
|
||||
42
transport/clashssr/obfs/obfs.go
Normal file
42
transport/clashssr/obfs/obfs.go
Normal file
|
|
@ -0,0 +1,42 @@
|
|||
package obfs
|
||||
|
||||
import (
|
||||
"errors"
|
||||
"fmt"
|
||||
"net"
|
||||
)
|
||||
|
||||
var (
|
||||
errTLS12TicketAuthIncorrectMagicNumber = errors.New("tls1.2_ticket_auth incorrect magic number")
|
||||
errTLS12TicketAuthTooShortData = errors.New("tls1.2_ticket_auth too short data")
|
||||
errTLS12TicketAuthHMACError = errors.New("tls1.2_ticket_auth hmac verifying failed")
|
||||
)
|
||||
|
||||
type authData struct {
|
||||
clientID [32]byte
|
||||
}
|
||||
|
||||
type Obfs interface {
|
||||
StreamConn(net.Conn) net.Conn
|
||||
}
|
||||
|
||||
type obfsCreator func(b *Base) Obfs
|
||||
|
||||
var obfsList = make(map[string]struct {
|
||||
overhead int
|
||||
new obfsCreator
|
||||
})
|
||||
|
||||
func register(name string, c obfsCreator, o int) {
|
||||
obfsList[name] = struct {
|
||||
overhead int
|
||||
new obfsCreator
|
||||
}{overhead: o, new: c}
|
||||
}
|
||||
|
||||
func PickObfs(name string, b *Base) (Obfs, int, error) {
|
||||
if choice, ok := obfsList[name]; ok {
|
||||
return choice.new(b), choice.overhead, nil
|
||||
}
|
||||
return nil, 0, fmt.Errorf("Obfs %s not supported", name)
|
||||
}
|
||||
15
transport/clashssr/obfs/plain.go
Normal file
15
transport/clashssr/obfs/plain.go
Normal file
|
|
@ -0,0 +1,15 @@
|
|||
package obfs
|
||||
|
||||
import "net"
|
||||
|
||||
type plain struct{}
|
||||
|
||||
func init() {
|
||||
register("plain", newPlain, 0)
|
||||
}
|
||||
|
||||
func newPlain(b *Base) Obfs {
|
||||
return &plain{}
|
||||
}
|
||||
|
||||
func (p *plain) StreamConn(c net.Conn) net.Conn { return c }
|
||||
71
transport/clashssr/obfs/random_head.go
Normal file
71
transport/clashssr/obfs/random_head.go
Normal file
|
|
@ -0,0 +1,71 @@
|
|||
package obfs
|
||||
|
||||
import (
|
||||
"encoding/binary"
|
||||
"hash/crc32"
|
||||
"math/rand"
|
||||
"net"
|
||||
|
||||
"github.com/Dreamacro/clash/common/pool"
|
||||
)
|
||||
|
||||
func init() {
|
||||
register("random_head", newRandomHead, 0)
|
||||
}
|
||||
|
||||
type randomHead struct {
|
||||
*Base
|
||||
}
|
||||
|
||||
func newRandomHead(b *Base) Obfs {
|
||||
return &randomHead{Base: b}
|
||||
}
|
||||
|
||||
type randomHeadConn struct {
|
||||
net.Conn
|
||||
*randomHead
|
||||
hasSentHeader bool
|
||||
rawTransSent bool
|
||||
rawTransRecv bool
|
||||
buf []byte
|
||||
}
|
||||
|
||||
func (r *randomHead) StreamConn(c net.Conn) net.Conn {
|
||||
return &randomHeadConn{Conn: c, randomHead: r}
|
||||
}
|
||||
|
||||
func (c *randomHeadConn) Read(b []byte) (int, error) {
|
||||
if c.rawTransRecv {
|
||||
return c.Conn.Read(b)
|
||||
}
|
||||
buf := pool.Get(pool.RelayBufferSize)
|
||||
defer pool.Put(buf)
|
||||
c.Conn.Read(buf)
|
||||
c.rawTransRecv = true
|
||||
c.Write(nil)
|
||||
return 0, nil
|
||||
}
|
||||
|
||||
func (c *randomHeadConn) Write(b []byte) (int, error) {
|
||||
if c.rawTransSent {
|
||||
return c.Conn.Write(b)
|
||||
}
|
||||
c.buf = append(c.buf, b...)
|
||||
if !c.hasSentHeader {
|
||||
c.hasSentHeader = true
|
||||
dataLength := rand.Intn(96) + 4
|
||||
buf := pool.Get(dataLength + 4)
|
||||
defer pool.Put(buf)
|
||||
rand.Read(buf[:dataLength])
|
||||
binary.LittleEndian.PutUint32(buf[dataLength:], 0xffffffff-crc32.ChecksumIEEE(buf[:dataLength]))
|
||||
_, err := c.Conn.Write(buf)
|
||||
return len(b), err
|
||||
}
|
||||
if c.rawTransRecv {
|
||||
_, err := c.Conn.Write(c.buf)
|
||||
c.buf = nil
|
||||
c.rawTransSent = true
|
||||
return len(b), err
|
||||
}
|
||||
return len(b), nil
|
||||
}
|
||||
226
transport/clashssr/obfs/tls1.2_ticket_auth.go
Normal file
226
transport/clashssr/obfs/tls1.2_ticket_auth.go
Normal file
|
|
@ -0,0 +1,226 @@
|
|||
package obfs
|
||||
|
||||
import (
|
||||
"bytes"
|
||||
"crypto/hmac"
|
||||
"encoding/binary"
|
||||
"math/rand"
|
||||
"net"
|
||||
"strings"
|
||||
"time"
|
||||
|
||||
"github.com/Dreamacro/clash/common/pool"
|
||||
"github.com/Dreamacro/clash/transport/ssr/tools"
|
||||
)
|
||||
|
||||
func init() {
|
||||
register("tls1.2_ticket_auth", newTLS12Ticket, 5)
|
||||
register("tls1.2_ticket_fastauth", newTLS12Ticket, 5)
|
||||
}
|
||||
|
||||
type tls12Ticket struct {
|
||||
*Base
|
||||
*authData
|
||||
}
|
||||
|
||||
func newTLS12Ticket(b *Base) Obfs {
|
||||
r := &tls12Ticket{Base: b, authData: &authData{}}
|
||||
rand.Read(r.clientID[:])
|
||||
return r
|
||||
}
|
||||
|
||||
type tls12TicketConn struct {
|
||||
net.Conn
|
||||
*tls12Ticket
|
||||
handshakeStatus int
|
||||
decoded bytes.Buffer
|
||||
underDecoded bytes.Buffer
|
||||
sendBuf bytes.Buffer
|
||||
}
|
||||
|
||||
func (t *tls12Ticket) StreamConn(c net.Conn) net.Conn {
|
||||
return &tls12TicketConn{Conn: c, tls12Ticket: t}
|
||||
}
|
||||
|
||||
func (c *tls12TicketConn) Read(b []byte) (int, error) {
|
||||
if c.decoded.Len() > 0 {
|
||||
return c.decoded.Read(b)
|
||||
}
|
||||
|
||||
buf := pool.Get(pool.RelayBufferSize)
|
||||
defer pool.Put(buf)
|
||||
n, err := c.Conn.Read(buf)
|
||||
if err != nil {
|
||||
return 0, err
|
||||
}
|
||||
|
||||
if c.handshakeStatus == 8 {
|
||||
c.underDecoded.Write(buf[:n])
|
||||
for c.underDecoded.Len() > 5 {
|
||||
if !bytes.Equal(c.underDecoded.Bytes()[:3], []byte{0x17, 3, 3}) {
|
||||
c.underDecoded.Reset()
|
||||
return 0, errTLS12TicketAuthIncorrectMagicNumber
|
||||
}
|
||||
size := int(binary.BigEndian.Uint16(c.underDecoded.Bytes()[3:5]))
|
||||
if c.underDecoded.Len() < 5+size {
|
||||
break
|
||||
}
|
||||
c.underDecoded.Next(5)
|
||||
c.decoded.Write(c.underDecoded.Next(size))
|
||||
}
|
||||
n, _ = c.decoded.Read(b)
|
||||
return n, nil
|
||||
}
|
||||
|
||||
if n < 11+32+1+32 {
|
||||
return 0, errTLS12TicketAuthTooShortData
|
||||
}
|
||||
|
||||
if !hmac.Equal(buf[33:43], c.hmacSHA1(buf[11:33])[:10]) || !hmac.Equal(buf[n-10:n], c.hmacSHA1(buf[:n-10])[:10]) {
|
||||
return 0, errTLS12TicketAuthHMACError
|
||||
}
|
||||
|
||||
c.Write(nil)
|
||||
return 0, nil
|
||||
}
|
||||
|
||||
func (c *tls12TicketConn) Write(b []byte) (int, error) {
|
||||
length := len(b)
|
||||
if c.handshakeStatus == 8 {
|
||||
buf := pool.GetBuffer()
|
||||
defer pool.PutBuffer(buf)
|
||||
for len(b) > 2048 {
|
||||
size := rand.Intn(4096) + 100
|
||||
if len(b) < size {
|
||||
size = len(b)
|
||||
}
|
||||
packData(buf, b[:size])
|
||||
b = b[size:]
|
||||
}
|
||||
if len(b) > 0 {
|
||||
packData(buf, b)
|
||||
}
|
||||
_, err := c.Conn.Write(buf.Bytes())
|
||||
if err != nil {
|
||||
return 0, err
|
||||
}
|
||||
return length, nil
|
||||
}
|
||||
|
||||
if len(b) > 0 {
|
||||
packData(&c.sendBuf, b)
|
||||
}
|
||||
|
||||
if c.handshakeStatus == 0 {
|
||||
c.handshakeStatus = 1
|
||||
|
||||
data := pool.GetBuffer()
|
||||
defer pool.PutBuffer(data)
|
||||
|
||||
data.Write([]byte{3, 3})
|
||||
c.packAuthData(data)
|
||||
data.WriteByte(0x20)
|
||||
data.Write(c.clientID[:])
|
||||
data.Write([]byte{0x00, 0x1c, 0xc0, 0x2b, 0xc0, 0x2f, 0xcc, 0xa9, 0xcc, 0xa8, 0xcc, 0x14, 0xcc, 0x13, 0xc0, 0x0a, 0xc0, 0x14, 0xc0, 0x09, 0xc0, 0x13, 0x00, 0x9c, 0x00, 0x35, 0x00, 0x2f, 0x00, 0x0a})
|
||||
data.Write([]byte{0x1, 0x0})
|
||||
|
||||
ext := pool.GetBuffer()
|
||||
defer pool.PutBuffer(ext)
|
||||
|
||||
host := c.getHost()
|
||||
ext.Write([]byte{0xff, 0x01, 0x00, 0x01, 0x00})
|
||||
packSNIData(ext, host)
|
||||
ext.Write([]byte{0, 0x17, 0, 0})
|
||||
c.packTicketBuf(ext, host)
|
||||
ext.Write([]byte{0x00, 0x0d, 0x00, 0x16, 0x00, 0x14, 0x06, 0x01, 0x06, 0x03, 0x05, 0x01, 0x05, 0x03, 0x04, 0x01, 0x04, 0x03, 0x03, 0x01, 0x03, 0x03, 0x02, 0x01, 0x02, 0x03})
|
||||
ext.Write([]byte{0x00, 0x05, 0x00, 0x05, 0x01, 0x00, 0x00, 0x00, 0x00})
|
||||
ext.Write([]byte{0x00, 0x12, 0x00, 0x00})
|
||||
ext.Write([]byte{0x75, 0x50, 0x00, 0x00})
|
||||
ext.Write([]byte{0x00, 0x0b, 0x00, 0x02, 0x01, 0x00})
|
||||
ext.Write([]byte{0x00, 0x0a, 0x00, 0x06, 0x00, 0x04, 0x00, 0x17, 0x00, 0x18})
|
||||
|
||||
binary.Write(data, binary.BigEndian, uint16(ext.Len()))
|
||||
data.ReadFrom(ext)
|
||||
|
||||
ret := pool.GetBuffer()
|
||||
defer pool.PutBuffer(ret)
|
||||
|
||||
ret.Write([]byte{0x16, 3, 1})
|
||||
binary.Write(ret, binary.BigEndian, uint16(data.Len()+4))
|
||||
ret.Write([]byte{1, 0})
|
||||
binary.Write(ret, binary.BigEndian, uint16(data.Len()))
|
||||
ret.ReadFrom(data)
|
||||
|
||||
_, err := c.Conn.Write(ret.Bytes())
|
||||
if err != nil {
|
||||
return 0, err
|
||||
}
|
||||
return length, nil
|
||||
} else if c.handshakeStatus == 1 && len(b) == 0 {
|
||||
buf := pool.GetBuffer()
|
||||
defer pool.PutBuffer(buf)
|
||||
|
||||
buf.Write([]byte{0x14, 3, 3, 0, 1, 1, 0x16, 3, 3, 0, 0x20})
|
||||
tools.AppendRandBytes(buf, 22)
|
||||
buf.Write(c.hmacSHA1(buf.Bytes())[:10])
|
||||
buf.ReadFrom(&c.sendBuf)
|
||||
|
||||
c.handshakeStatus = 8
|
||||
|
||||
_, err := c.Conn.Write(buf.Bytes())
|
||||
return 0, err
|
||||
}
|
||||
return length, nil
|
||||
}
|
||||
|
||||
func packData(buf *bytes.Buffer, data []byte) {
|
||||
buf.Write([]byte{0x17, 3, 3})
|
||||
binary.Write(buf, binary.BigEndian, uint16(len(data)))
|
||||
buf.Write(data)
|
||||
}
|
||||
|
||||
func (t *tls12Ticket) packAuthData(buf *bytes.Buffer) {
|
||||
binary.Write(buf, binary.BigEndian, uint32(time.Now().Unix()))
|
||||
tools.AppendRandBytes(buf, 18)
|
||||
buf.Write(t.hmacSHA1(buf.Bytes()[buf.Len()-22:])[:10])
|
||||
}
|
||||
|
||||
func packSNIData(buf *bytes.Buffer, u string) {
|
||||
len := uint16(len(u))
|
||||
buf.Write([]byte{0, 0})
|
||||
binary.Write(buf, binary.BigEndian, len+5)
|
||||
binary.Write(buf, binary.BigEndian, len+3)
|
||||
buf.WriteByte(0)
|
||||
binary.Write(buf, binary.BigEndian, len)
|
||||
buf.WriteString(u)
|
||||
}
|
||||
|
||||
func (c *tls12TicketConn) packTicketBuf(buf *bytes.Buffer, u string) {
|
||||
length := 16 * (rand.Intn(17) + 8)
|
||||
buf.Write([]byte{0, 0x23})
|
||||
binary.Write(buf, binary.BigEndian, uint16(length))
|
||||
tools.AppendRandBytes(buf, length)
|
||||
}
|
||||
|
||||
func (t *tls12Ticket) hmacSHA1(data []byte) []byte {
|
||||
key := pool.Get(len(t.Key) + 32)
|
||||
defer pool.Put(key)
|
||||
copy(key, t.Key)
|
||||
copy(key[len(t.Key):], t.clientID[:])
|
||||
|
||||
sha1Data := tools.HmacSHA1(key, data)
|
||||
return sha1Data[:10]
|
||||
}
|
||||
|
||||
func (t *tls12Ticket) getHost() string {
|
||||
host := t.Param
|
||||
if len(host) == 0 {
|
||||
host = t.Host
|
||||
}
|
||||
if len(host) > 0 && host[len(host)-1] >= '0' && host[len(host)-1] <= '9' {
|
||||
host = ""
|
||||
}
|
||||
hosts := strings.Split(host, ",")
|
||||
host = hosts[rand.Intn(len(hosts))]
|
||||
return host
|
||||
}
|
||||
18
transport/clashssr/protocol/auth_aes128_md5.go
Normal file
18
transport/clashssr/protocol/auth_aes128_md5.go
Normal file
|
|
@ -0,0 +1,18 @@
|
|||
package protocol
|
||||
|
||||
import "github.com/Dreamacro/clash/transport/ssr/tools"
|
||||
|
||||
func init() {
|
||||
register("auth_aes128_md5", newAuthAES128MD5, 9)
|
||||
}
|
||||
|
||||
func newAuthAES128MD5(b *Base) Protocol {
|
||||
a := &authAES128{
|
||||
Base: b,
|
||||
authData: &authData{},
|
||||
authAES128Function: &authAES128Function{salt: "auth_aes128_md5", hmac: tools.HmacMD5, hashDigest: tools.MD5Sum},
|
||||
userData: &userData{},
|
||||
}
|
||||
a.initUserData()
|
||||
return a
|
||||
}
|
||||
277
transport/clashssr/protocol/auth_aes128_sha1.go
Normal file
277
transport/clashssr/protocol/auth_aes128_sha1.go
Normal file
|
|
@ -0,0 +1,277 @@
|
|||
package protocol
|
||||
|
||||
import (
|
||||
"bytes"
|
||||
"encoding/binary"
|
||||
"math"
|
||||
"math/rand"
|
||||
"net"
|
||||
"strconv"
|
||||
"strings"
|
||||
|
||||
"github.com/Dreamacro/clash/common/pool"
|
||||
"github.com/Dreamacro/clash/transport/ssr/tools"
|
||||
)
|
||||
|
||||
type (
|
||||
hmacMethod func(key, data []byte) []byte
|
||||
hashDigestMethod func([]byte) []byte
|
||||
)
|
||||
|
||||
func init() {
|
||||
register("auth_aes128_sha1", newAuthAES128SHA1, 9)
|
||||
}
|
||||
|
||||
type authAES128Function struct {
|
||||
salt string
|
||||
hmac hmacMethod
|
||||
hashDigest hashDigestMethod
|
||||
}
|
||||
|
||||
type authAES128 struct {
|
||||
*Base
|
||||
*authData
|
||||
*authAES128Function
|
||||
*userData
|
||||
iv []byte
|
||||
hasSentHeader bool
|
||||
rawTrans bool
|
||||
packID uint32
|
||||
recvID uint32
|
||||
}
|
||||
|
||||
func newAuthAES128SHA1(b *Base) Protocol {
|
||||
a := &authAES128{
|
||||
Base: b,
|
||||
authData: &authData{},
|
||||
authAES128Function: &authAES128Function{salt: "auth_aes128_sha1", hmac: tools.HmacSHA1, hashDigest: tools.SHA1Sum},
|
||||
userData: &userData{},
|
||||
}
|
||||
a.initUserData()
|
||||
return a
|
||||
}
|
||||
|
||||
func (a *authAES128) initUserData() {
|
||||
params := strings.Split(a.Param, ":")
|
||||
if len(params) > 1 {
|
||||
if userID, err := strconv.ParseUint(params[0], 10, 32); err == nil {
|
||||
binary.LittleEndian.PutUint32(a.userID[:], uint32(userID))
|
||||
a.userKey = a.hashDigest([]byte(params[1]))
|
||||
}
|
||||
}
|
||||
if len(a.userKey) == 0 {
|
||||
a.userKey = a.Key
|
||||
rand.Read(a.userID[:])
|
||||
}
|
||||
}
|
||||
|
||||
func (a *authAES128) StreamConn(c net.Conn, iv []byte) net.Conn {
|
||||
p := &authAES128{
|
||||
Base: a.Base,
|
||||
authData: a.next(),
|
||||
authAES128Function: a.authAES128Function,
|
||||
userData: a.userData,
|
||||
packID: 1,
|
||||
recvID: 1,
|
||||
}
|
||||
p.iv = iv
|
||||
return &Conn{Conn: c, Protocol: p}
|
||||
}
|
||||
|
||||
func (a *authAES128) PacketConn(c net.PacketConn) net.PacketConn {
|
||||
p := &authAES128{
|
||||
Base: a.Base,
|
||||
authAES128Function: a.authAES128Function,
|
||||
userData: a.userData,
|
||||
}
|
||||
return &PacketConn{PacketConn: c, Protocol: p}
|
||||
}
|
||||
|
||||
func (a *authAES128) Decode(dst, src *bytes.Buffer) error {
|
||||
if a.rawTrans {
|
||||
dst.ReadFrom(src)
|
||||
return nil
|
||||
}
|
||||
for src.Len() > 4 {
|
||||
macKey := pool.Get(len(a.userKey) + 4)
|
||||
defer pool.Put(macKey)
|
||||
copy(macKey, a.userKey)
|
||||
binary.LittleEndian.PutUint32(macKey[len(a.userKey):], a.recvID)
|
||||
if !bytes.Equal(a.hmac(macKey, src.Bytes()[:2])[:2], src.Bytes()[2:4]) {
|
||||
src.Reset()
|
||||
return errAuthAES128MACError
|
||||
}
|
||||
|
||||
length := int(binary.LittleEndian.Uint16(src.Bytes()[:2]))
|
||||
if length >= 8192 || length < 7 {
|
||||
a.rawTrans = true
|
||||
src.Reset()
|
||||
return errAuthAES128LengthError
|
||||
}
|
||||
if length > src.Len() {
|
||||
break
|
||||
}
|
||||
|
||||
if !bytes.Equal(a.hmac(macKey, src.Bytes()[:length-4])[:4], src.Bytes()[length-4:length]) {
|
||||
a.rawTrans = true
|
||||
src.Reset()
|
||||
return errAuthAES128ChksumError
|
||||
}
|
||||
|
||||
a.recvID++
|
||||
|
||||
pos := int(src.Bytes()[4])
|
||||
if pos < 255 {
|
||||
pos += 4
|
||||
} else {
|
||||
pos = int(binary.LittleEndian.Uint16(src.Bytes()[5:7])) + 4
|
||||
}
|
||||
dst.Write(src.Bytes()[pos : length-4])
|
||||
src.Next(length)
|
||||
}
|
||||
return nil
|
||||
}
|
||||
|
||||
func (a *authAES128) Encode(buf *bytes.Buffer, b []byte) error {
|
||||
fullDataLength := len(b)
|
||||
if !a.hasSentHeader {
|
||||
dataLength := getDataLength(b)
|
||||
a.packAuthData(buf, b[:dataLength])
|
||||
b = b[dataLength:]
|
||||
a.hasSentHeader = true
|
||||
}
|
||||
for len(b) > 8100 {
|
||||
a.packData(buf, b[:8100], fullDataLength)
|
||||
b = b[8100:]
|
||||
}
|
||||
if len(b) > 0 {
|
||||
a.packData(buf, b, fullDataLength)
|
||||
}
|
||||
return nil
|
||||
}
|
||||
|
||||
func (a *authAES128) DecodePacket(b []byte) ([]byte, error) {
|
||||
if len(b) < 4 {
|
||||
return nil, errAuthAES128LengthError
|
||||
}
|
||||
if !bytes.Equal(a.hmac(a.Key, b[:len(b)-4])[:4], b[len(b)-4:]) {
|
||||
return nil, errAuthAES128ChksumError
|
||||
}
|
||||
return b[:len(b)-4], nil
|
||||
}
|
||||
|
||||
func (a *authAES128) EncodePacket(buf *bytes.Buffer, b []byte) error {
|
||||
buf.Write(b)
|
||||
buf.Write(a.userID[:])
|
||||
buf.Write(a.hmac(a.userKey, buf.Bytes())[:4])
|
||||
return nil
|
||||
}
|
||||
|
||||
func (a *authAES128) packData(poolBuf *bytes.Buffer, data []byte, fullDataLength int) {
|
||||
dataLength := len(data)
|
||||
randDataLength := a.getRandDataLengthForPackData(dataLength, fullDataLength)
|
||||
/*
|
||||
2: uint16 LittleEndian packedDataLength
|
||||
2: hmac of packedDataLength
|
||||
3: maxRandDataLengthPrefix (min:1)
|
||||
4: hmac of packedData except the last 4 bytes
|
||||
*/
|
||||
packedDataLength := 2 + 2 + 3 + randDataLength + dataLength + 4
|
||||
if randDataLength < 128 {
|
||||
packedDataLength -= 2
|
||||
}
|
||||
|
||||
macKey := pool.Get(len(a.userKey) + 4)
|
||||
defer pool.Put(macKey)
|
||||
copy(macKey, a.userKey)
|
||||
binary.LittleEndian.PutUint32(macKey[len(a.userKey):], a.packID)
|
||||
a.packID++
|
||||
|
||||
binary.Write(poolBuf, binary.LittleEndian, uint16(packedDataLength))
|
||||
poolBuf.Write(a.hmac(macKey, poolBuf.Bytes()[poolBuf.Len()-2:])[:2])
|
||||
a.packRandData(poolBuf, randDataLength)
|
||||
poolBuf.Write(data)
|
||||
poolBuf.Write(a.hmac(macKey, poolBuf.Bytes()[poolBuf.Len()-packedDataLength+4:])[:4])
|
||||
}
|
||||
|
||||
func trapezoidRandom(max int, d float64) int {
|
||||
base := rand.Float64()
|
||||
if d-0 > 1e-6 {
|
||||
a := 1 - d
|
||||
base = (math.Sqrt(a*a+4*d*base) - a) / (2 * d)
|
||||
}
|
||||
return int(base * float64(max))
|
||||
}
|
||||
|
||||
func (a *authAES128) getRandDataLengthForPackData(dataLength, fullDataLength int) int {
|
||||
if fullDataLength >= 32*1024-a.Overhead {
|
||||
return 0
|
||||
}
|
||||
// 1460: tcp_mss
|
||||
revLength := 1460 - dataLength - 9
|
||||
if revLength == 0 {
|
||||
return 0
|
||||
}
|
||||
if revLength < 0 {
|
||||
if revLength > -1460 {
|
||||
return trapezoidRandom(revLength+1460, -0.3)
|
||||
}
|
||||
return rand.Intn(32)
|
||||
}
|
||||
if dataLength > 900 {
|
||||
return rand.Intn(revLength)
|
||||
}
|
||||
return trapezoidRandom(revLength, -0.3)
|
||||
}
|
||||
|
||||
func (a *authAES128) packAuthData(poolBuf *bytes.Buffer, data []byte) {
|
||||
if len(data) == 0 {
|
||||
return
|
||||
}
|
||||
dataLength := len(data)
|
||||
randDataLength := a.getRandDataLengthForPackAuthData(dataLength)
|
||||
/*
|
||||
7: checkHead(1) and hmac of checkHead(6)
|
||||
4: userID
|
||||
16: encrypted data of authdata(12), uint16 BigEndian packedDataLength(2) and uint16 BigEndian randDataLength(2)
|
||||
4: hmac of userID and encrypted data
|
||||
4: hmac of packedAuthData except the last 4 bytes
|
||||
*/
|
||||
packedAuthDataLength := 7 + 4 + 16 + 4 + randDataLength + dataLength + 4
|
||||
|
||||
macKey := pool.Get(len(a.iv) + len(a.Key))
|
||||
defer pool.Put(macKey)
|
||||
copy(macKey, a.iv)
|
||||
copy(macKey[len(a.iv):], a.Key)
|
||||
|
||||
poolBuf.WriteByte(byte(rand.Intn(256)))
|
||||
poolBuf.Write(a.hmac(macKey, poolBuf.Bytes())[:6])
|
||||
poolBuf.Write(a.userID[:])
|
||||
err := a.authData.putEncryptedData(poolBuf, a.userKey, [2]int{packedAuthDataLength, randDataLength}, a.salt)
|
||||
if err != nil {
|
||||
poolBuf.Reset()
|
||||
return
|
||||
}
|
||||
poolBuf.Write(a.hmac(macKey, poolBuf.Bytes()[7:])[:4])
|
||||
tools.AppendRandBytes(poolBuf, randDataLength)
|
||||
poolBuf.Write(data)
|
||||
poolBuf.Write(a.hmac(a.userKey, poolBuf.Bytes())[:4])
|
||||
}
|
||||
|
||||
func (a *authAES128) getRandDataLengthForPackAuthData(size int) int {
|
||||
if size > 400 {
|
||||
return rand.Intn(512)
|
||||
}
|
||||
return rand.Intn(1024)
|
||||
}
|
||||
|
||||
func (a *authAES128) packRandData(poolBuf *bytes.Buffer, size int) {
|
||||
if size < 128 {
|
||||
poolBuf.WriteByte(byte(size + 1))
|
||||
tools.AppendRandBytes(poolBuf, size)
|
||||
return
|
||||
}
|
||||
poolBuf.WriteByte(255)
|
||||
binary.Write(poolBuf, binary.LittleEndian, uint16(size+3))
|
||||
tools.AppendRandBytes(poolBuf, size)
|
||||
}
|
||||
306
transport/clashssr/protocol/auth_chain_a.go
Normal file
306
transport/clashssr/protocol/auth_chain_a.go
Normal file
|
|
@ -0,0 +1,306 @@
|
|||
package protocol
|
||||
|
||||
import (
|
||||
"bytes"
|
||||
"crypto/cipher"
|
||||
"crypto/rand"
|
||||
"crypto/rc4"
|
||||
"encoding/base64"
|
||||
"encoding/binary"
|
||||
"net"
|
||||
"strconv"
|
||||
"strings"
|
||||
|
||||
"github.com/Dreamacro/clash/common/pool"
|
||||
"github.com/Dreamacro/clash/transport/shadowsocks/core"
|
||||
"github.com/Dreamacro/clash/transport/ssr/tools"
|
||||
)
|
||||
|
||||
func init() {
|
||||
register("auth_chain_a", newAuthChainA, 4)
|
||||
}
|
||||
|
||||
type randDataLengthMethod func(int, []byte, *tools.XorShift128Plus) int
|
||||
|
||||
type authChainA struct {
|
||||
*Base
|
||||
*authData
|
||||
*userData
|
||||
iv []byte
|
||||
salt string
|
||||
hasSentHeader bool
|
||||
rawTrans bool
|
||||
lastClientHash []byte
|
||||
lastServerHash []byte
|
||||
encrypter cipher.Stream
|
||||
decrypter cipher.Stream
|
||||
randomClient tools.XorShift128Plus
|
||||
randomServer tools.XorShift128Plus
|
||||
randDataLength randDataLengthMethod
|
||||
packID uint32
|
||||
recvID uint32
|
||||
}
|
||||
|
||||
func newAuthChainA(b *Base) Protocol {
|
||||
a := &authChainA{
|
||||
Base: b,
|
||||
authData: &authData{},
|
||||
userData: &userData{},
|
||||
salt: "auth_chain_a",
|
||||
}
|
||||
a.initUserData()
|
||||
return a
|
||||
}
|
||||
|
||||
func (a *authChainA) initUserData() {
|
||||
params := strings.Split(a.Param, ":")
|
||||
if len(params) > 1 {
|
||||
if userID, err := strconv.ParseUint(params[0], 10, 32); err == nil {
|
||||
binary.LittleEndian.PutUint32(a.userID[:], uint32(userID))
|
||||
a.userKey = []byte(params[1])
|
||||
}
|
||||
}
|
||||
if len(a.userKey) == 0 {
|
||||
a.userKey = a.Key
|
||||
rand.Read(a.userID[:])
|
||||
}
|
||||
}
|
||||
|
||||
func (a *authChainA) StreamConn(c net.Conn, iv []byte) net.Conn {
|
||||
p := &authChainA{
|
||||
Base: a.Base,
|
||||
authData: a.next(),
|
||||
userData: a.userData,
|
||||
salt: a.salt,
|
||||
packID: 1,
|
||||
recvID: 1,
|
||||
}
|
||||
p.iv = iv
|
||||
p.randDataLength = p.getRandLength
|
||||
return &Conn{Conn: c, Protocol: p}
|
||||
}
|
||||
|
||||
func (a *authChainA) PacketConn(c net.PacketConn) net.PacketConn {
|
||||
p := &authChainA{
|
||||
Base: a.Base,
|
||||
salt: a.salt,
|
||||
userData: a.userData,
|
||||
}
|
||||
return &PacketConn{PacketConn: c, Protocol: p}
|
||||
}
|
||||
|
||||
func (a *authChainA) Decode(dst, src *bytes.Buffer) error {
|
||||
if a.rawTrans {
|
||||
dst.ReadFrom(src)
|
||||
return nil
|
||||
}
|
||||
for src.Len() > 4 {
|
||||
macKey := pool.Get(len(a.userKey) + 4)
|
||||
defer pool.Put(macKey)
|
||||
copy(macKey, a.userKey)
|
||||
binary.LittleEndian.PutUint32(macKey[len(a.userKey):], a.recvID)
|
||||
|
||||
dataLength := int(binary.LittleEndian.Uint16(src.Bytes()[:2]) ^ binary.LittleEndian.Uint16(a.lastServerHash[14:16]))
|
||||
randDataLength := a.randDataLength(dataLength, a.lastServerHash, &a.randomServer)
|
||||
length := dataLength + randDataLength
|
||||
|
||||
if length >= 4096 {
|
||||
a.rawTrans = true
|
||||
src.Reset()
|
||||
return errAuthChainLengthError
|
||||
}
|
||||
|
||||
if 4+length > src.Len() {
|
||||
break
|
||||
}
|
||||
|
||||
serverHash := tools.HmacMD5(macKey, src.Bytes()[:length+2])
|
||||
if !bytes.Equal(serverHash[:2], src.Bytes()[length+2:length+4]) {
|
||||
a.rawTrans = true
|
||||
src.Reset()
|
||||
return errAuthChainChksumError
|
||||
}
|
||||
a.lastServerHash = serverHash
|
||||
|
||||
pos := 2
|
||||
if dataLength > 0 && randDataLength > 0 {
|
||||
pos += getRandStartPos(randDataLength, &a.randomServer)
|
||||
}
|
||||
wantedData := src.Bytes()[pos : pos+dataLength]
|
||||
a.decrypter.XORKeyStream(wantedData, wantedData)
|
||||
if a.recvID == 1 {
|
||||
dst.Write(wantedData[2:])
|
||||
} else {
|
||||
dst.Write(wantedData)
|
||||
}
|
||||
a.recvID++
|
||||
src.Next(length + 4)
|
||||
}
|
||||
return nil
|
||||
}
|
||||
|
||||
func (a *authChainA) Encode(buf *bytes.Buffer, b []byte) error {
|
||||
if !a.hasSentHeader {
|
||||
dataLength := getDataLength(b)
|
||||
a.packAuthData(buf, b[:dataLength])
|
||||
b = b[dataLength:]
|
||||
a.hasSentHeader = true
|
||||
}
|
||||
for len(b) > 2800 {
|
||||
a.packData(buf, b[:2800])
|
||||
b = b[2800:]
|
||||
}
|
||||
if len(b) > 0 {
|
||||
a.packData(buf, b)
|
||||
}
|
||||
return nil
|
||||
}
|
||||
|
||||
func (a *authChainA) DecodePacket(b []byte) ([]byte, error) {
|
||||
if len(b) < 9 {
|
||||
return nil, errAuthChainLengthError
|
||||
}
|
||||
if !bytes.Equal(tools.HmacMD5(a.userKey, b[:len(b)-1])[:1], b[len(b)-1:]) {
|
||||
return nil, errAuthChainChksumError
|
||||
}
|
||||
md5Data := tools.HmacMD5(a.Key, b[len(b)-8:len(b)-1])
|
||||
|
||||
randDataLength := udpGetRandLength(md5Data, &a.randomServer)
|
||||
|
||||
key := core.Kdf(base64.StdEncoding.EncodeToString(a.userKey)+base64.StdEncoding.EncodeToString(md5Data), 16)
|
||||
rc4Cipher, err := rc4.NewCipher(key)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
wantedData := b[:len(b)-8-randDataLength]
|
||||
rc4Cipher.XORKeyStream(wantedData, wantedData)
|
||||
return wantedData, nil
|
||||
}
|
||||
|
||||
func (a *authChainA) EncodePacket(buf *bytes.Buffer, b []byte) error {
|
||||
authData := pool.Get(3)
|
||||
defer pool.Put(authData)
|
||||
rand.Read(authData)
|
||||
|
||||
md5Data := tools.HmacMD5(a.Key, authData)
|
||||
|
||||
randDataLength := udpGetRandLength(md5Data, &a.randomClient)
|
||||
|
||||
key := core.Kdf(base64.StdEncoding.EncodeToString(a.userKey)+base64.StdEncoding.EncodeToString(md5Data), 16)
|
||||
rc4Cipher, err := rc4.NewCipher(key)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
rc4Cipher.XORKeyStream(b, b)
|
||||
|
||||
buf.Write(b)
|
||||
tools.AppendRandBytes(buf, randDataLength)
|
||||
buf.Write(authData)
|
||||
binary.Write(buf, binary.LittleEndian, binary.LittleEndian.Uint32(a.userID[:])^binary.LittleEndian.Uint32(md5Data[:4]))
|
||||
buf.Write(tools.HmacMD5(a.userKey, buf.Bytes())[:1])
|
||||
return nil
|
||||
}
|
||||
|
||||
func (a *authChainA) packAuthData(poolBuf *bytes.Buffer, data []byte) {
|
||||
/*
|
||||
dataLength := len(data)
|
||||
12: checkHead(4) and hmac of checkHead(8)
|
||||
4: uint32 LittleEndian uid (uid = userID ^ last client hash)
|
||||
16: encrypted data of authdata(12), uint16 LittleEndian overhead(2) and uint16 LittleEndian number zero(2)
|
||||
4: last server hash(4)
|
||||
packedAuthDataLength := 12 + 4 + 16 + 4 + dataLength
|
||||
*/
|
||||
|
||||
macKey := pool.Get(len(a.iv) + len(a.Key))
|
||||
defer pool.Put(macKey)
|
||||
copy(macKey, a.iv)
|
||||
copy(macKey[len(a.iv):], a.Key)
|
||||
|
||||
// check head
|
||||
tools.AppendRandBytes(poolBuf, 4)
|
||||
a.lastClientHash = tools.HmacMD5(macKey, poolBuf.Bytes())
|
||||
a.initRC4Cipher()
|
||||
poolBuf.Write(a.lastClientHash[:8])
|
||||
// uid
|
||||
binary.Write(poolBuf, binary.LittleEndian, binary.LittleEndian.Uint32(a.userID[:])^binary.LittleEndian.Uint32(a.lastClientHash[8:12]))
|
||||
// encrypted data
|
||||
err := a.putEncryptedData(poolBuf, a.userKey, [2]int{a.Overhead, 0}, a.salt)
|
||||
if err != nil {
|
||||
poolBuf.Reset()
|
||||
return
|
||||
}
|
||||
// last server hash
|
||||
a.lastServerHash = tools.HmacMD5(a.userKey, poolBuf.Bytes()[12:])
|
||||
poolBuf.Write(a.lastServerHash[:4])
|
||||
// packed data
|
||||
a.packData(poolBuf, data)
|
||||
}
|
||||
|
||||
func (a *authChainA) packData(poolBuf *bytes.Buffer, data []byte) {
|
||||
a.encrypter.XORKeyStream(data, data)
|
||||
|
||||
macKey := pool.Get(len(a.userKey) + 4)
|
||||
defer pool.Put(macKey)
|
||||
copy(macKey, a.userKey)
|
||||
binary.LittleEndian.PutUint32(macKey[len(a.userKey):], a.packID)
|
||||
a.packID++
|
||||
|
||||
length := uint16(len(data)) ^ binary.LittleEndian.Uint16(a.lastClientHash[14:16])
|
||||
|
||||
originalLength := poolBuf.Len()
|
||||
binary.Write(poolBuf, binary.LittleEndian, length)
|
||||
a.putMixedRandDataAndData(poolBuf, data)
|
||||
a.lastClientHash = tools.HmacMD5(macKey, poolBuf.Bytes()[originalLength:])
|
||||
poolBuf.Write(a.lastClientHash[:2])
|
||||
}
|
||||
|
||||
func (a *authChainA) putMixedRandDataAndData(poolBuf *bytes.Buffer, data []byte) {
|
||||
randDataLength := a.randDataLength(len(data), a.lastClientHash, &a.randomClient)
|
||||
if len(data) == 0 {
|
||||
tools.AppendRandBytes(poolBuf, randDataLength)
|
||||
return
|
||||
}
|
||||
if randDataLength > 0 {
|
||||
startPos := getRandStartPos(randDataLength, &a.randomClient)
|
||||
tools.AppendRandBytes(poolBuf, startPos)
|
||||
poolBuf.Write(data)
|
||||
tools.AppendRandBytes(poolBuf, randDataLength-startPos)
|
||||
return
|
||||
}
|
||||
poolBuf.Write(data)
|
||||
}
|
||||
|
||||
func getRandStartPos(length int, random *tools.XorShift128Plus) int {
|
||||
if length == 0 {
|
||||
return 0
|
||||
}
|
||||
return int(int64(random.Next()%8589934609) % int64(length))
|
||||
}
|
||||
|
||||
func (a *authChainA) getRandLength(length int, lastHash []byte, random *tools.XorShift128Plus) int {
|
||||
if length > 1440 {
|
||||
return 0
|
||||
}
|
||||
random.InitFromBinAndLength(lastHash, length)
|
||||
if length > 1300 {
|
||||
return int(random.Next() % 31)
|
||||
}
|
||||
if length > 900 {
|
||||
return int(random.Next() % 127)
|
||||
}
|
||||
if length > 400 {
|
||||
return int(random.Next() % 521)
|
||||
}
|
||||
return int(random.Next() % 1021)
|
||||
}
|
||||
|
||||
func (a *authChainA) initRC4Cipher() {
|
||||
key := core.Kdf(base64.StdEncoding.EncodeToString(a.userKey)+base64.StdEncoding.EncodeToString(a.lastClientHash), 16)
|
||||
a.encrypter, _ = rc4.NewCipher(key)
|
||||
a.decrypter, _ = rc4.NewCipher(key)
|
||||
}
|
||||
|
||||
func udpGetRandLength(lastHash []byte, random *tools.XorShift128Plus) int {
|
||||
random.InitFromBin(lastHash)
|
||||
return int(random.Next() % 127)
|
||||
}
|
||||
97
transport/clashssr/protocol/auth_chain_b.go
Normal file
97
transport/clashssr/protocol/auth_chain_b.go
Normal file
|
|
@ -0,0 +1,97 @@
|
|||
package protocol
|
||||
|
||||
import (
|
||||
"net"
|
||||
"sort"
|
||||
|
||||
"github.com/Dreamacro/clash/transport/ssr/tools"
|
||||
)
|
||||
|
||||
func init() {
|
||||
register("auth_chain_b", newAuthChainB, 4)
|
||||
}
|
||||
|
||||
type authChainB struct {
|
||||
*authChainA
|
||||
dataSizeList []int
|
||||
dataSizeList2 []int
|
||||
}
|
||||
|
||||
func newAuthChainB(b *Base) Protocol {
|
||||
a := &authChainB{
|
||||
authChainA: &authChainA{
|
||||
Base: b,
|
||||
authData: &authData{},
|
||||
userData: &userData{},
|
||||
salt: "auth_chain_b",
|
||||
},
|
||||
}
|
||||
a.initUserData()
|
||||
return a
|
||||
}
|
||||
|
||||
func (a *authChainB) StreamConn(c net.Conn, iv []byte) net.Conn {
|
||||
p := &authChainB{
|
||||
authChainA: &authChainA{
|
||||
Base: a.Base,
|
||||
authData: a.next(),
|
||||
userData: a.userData,
|
||||
salt: a.salt,
|
||||
packID: 1,
|
||||
recvID: 1,
|
||||
},
|
||||
}
|
||||
p.iv = iv
|
||||
p.randDataLength = p.getRandLength
|
||||
p.initDataSize()
|
||||
return &Conn{Conn: c, Protocol: p}
|
||||
}
|
||||
|
||||
func (a *authChainB) initDataSize() {
|
||||
a.dataSizeList = a.dataSizeList[:0]
|
||||
a.dataSizeList2 = a.dataSizeList2[:0]
|
||||
|
||||
a.randomServer.InitFromBin(a.Key)
|
||||
length := a.randomServer.Next()%8 + 4
|
||||
for ; length > 0; length-- {
|
||||
a.dataSizeList = append(a.dataSizeList, int(a.randomServer.Next()%2340%2040%1440))
|
||||
}
|
||||
sort.Ints(a.dataSizeList)
|
||||
|
||||
length = a.randomServer.Next()%16 + 8
|
||||
for ; length > 0; length-- {
|
||||
a.dataSizeList2 = append(a.dataSizeList2, int(a.randomServer.Next()%2340%2040%1440))
|
||||
}
|
||||
sort.Ints(a.dataSizeList2)
|
||||
}
|
||||
|
||||
func (a *authChainB) getRandLength(length int, lashHash []byte, random *tools.XorShift128Plus) int {
|
||||
if length >= 1440 {
|
||||
return 0
|
||||
}
|
||||
random.InitFromBinAndLength(lashHash, length)
|
||||
pos := sort.Search(len(a.dataSizeList), func(i int) bool { return a.dataSizeList[i] >= length+a.Overhead })
|
||||
finalPos := pos + int(random.Next()%uint64(len(a.dataSizeList)))
|
||||
if finalPos < len(a.dataSizeList) {
|
||||
return a.dataSizeList[finalPos] - length - a.Overhead
|
||||
}
|
||||
|
||||
pos = sort.Search(len(a.dataSizeList2), func(i int) bool { return a.dataSizeList2[i] >= length+a.Overhead })
|
||||
finalPos = pos + int(random.Next()%uint64(len(a.dataSizeList2)))
|
||||
if finalPos < len(a.dataSizeList2) {
|
||||
return a.dataSizeList2[finalPos] - length - a.Overhead
|
||||
}
|
||||
if finalPos < pos+len(a.dataSizeList2)-1 {
|
||||
return 0
|
||||
}
|
||||
if length > 1300 {
|
||||
return int(random.Next() % 31)
|
||||
}
|
||||
if length > 900 {
|
||||
return int(random.Next() % 127)
|
||||
}
|
||||
if length > 400 {
|
||||
return int(random.Next() % 521)
|
||||
}
|
||||
return int(random.Next() % 1021)
|
||||
}
|
||||
182
transport/clashssr/protocol/auth_sha1_v4.go
Normal file
182
transport/clashssr/protocol/auth_sha1_v4.go
Normal file
|
|
@ -0,0 +1,182 @@
|
|||
package protocol
|
||||
|
||||
import (
|
||||
"bytes"
|
||||
"encoding/binary"
|
||||
"hash/adler32"
|
||||
"hash/crc32"
|
||||
"math/rand"
|
||||
"net"
|
||||
|
||||
"github.com/Dreamacro/clash/common/pool"
|
||||
"github.com/Dreamacro/clash/transport/ssr/tools"
|
||||
)
|
||||
|
||||
func init() {
|
||||
register("auth_sha1_v4", newAuthSHA1V4, 7)
|
||||
}
|
||||
|
||||
type authSHA1V4 struct {
|
||||
*Base
|
||||
*authData
|
||||
iv []byte
|
||||
hasSentHeader bool
|
||||
rawTrans bool
|
||||
}
|
||||
|
||||
func newAuthSHA1V4(b *Base) Protocol {
|
||||
return &authSHA1V4{Base: b, authData: &authData{}}
|
||||
}
|
||||
|
||||
func (a *authSHA1V4) StreamConn(c net.Conn, iv []byte) net.Conn {
|
||||
p := &authSHA1V4{Base: a.Base, authData: a.next()}
|
||||
p.iv = iv
|
||||
return &Conn{Conn: c, Protocol: p}
|
||||
}
|
||||
|
||||
func (a *authSHA1V4) PacketConn(c net.PacketConn) net.PacketConn {
|
||||
return c
|
||||
}
|
||||
|
||||
func (a *authSHA1V4) Decode(dst, src *bytes.Buffer) error {
|
||||
if a.rawTrans {
|
||||
dst.ReadFrom(src)
|
||||
return nil
|
||||
}
|
||||
for src.Len() > 4 {
|
||||
if uint16(crc32.ChecksumIEEE(src.Bytes()[:2])&0xffff) != binary.LittleEndian.Uint16(src.Bytes()[2:4]) {
|
||||
src.Reset()
|
||||
return errAuthSHA1V4CRC32Error
|
||||
}
|
||||
|
||||
length := int(binary.BigEndian.Uint16(src.Bytes()[:2]))
|
||||
if length >= 8192 || length < 7 {
|
||||
a.rawTrans = true
|
||||
src.Reset()
|
||||
return errAuthSHA1V4LengthError
|
||||
}
|
||||
if length > src.Len() {
|
||||
break
|
||||
}
|
||||
|
||||
if adler32.Checksum(src.Bytes()[:length-4]) != binary.LittleEndian.Uint32(src.Bytes()[length-4:length]) {
|
||||
a.rawTrans = true
|
||||
src.Reset()
|
||||
return errAuthSHA1V4Adler32Error
|
||||
}
|
||||
|
||||
pos := int(src.Bytes()[4])
|
||||
if pos < 255 {
|
||||
pos += 4
|
||||
} else {
|
||||
pos = int(binary.BigEndian.Uint16(src.Bytes()[5:7])) + 4
|
||||
}
|
||||
dst.Write(src.Bytes()[pos : length-4])
|
||||
src.Next(length)
|
||||
}
|
||||
return nil
|
||||
}
|
||||
|
||||
func (a *authSHA1V4) Encode(buf *bytes.Buffer, b []byte) error {
|
||||
if !a.hasSentHeader {
|
||||
dataLength := getDataLength(b)
|
||||
|
||||
a.packAuthData(buf, b[:dataLength])
|
||||
b = b[dataLength:]
|
||||
|
||||
a.hasSentHeader = true
|
||||
}
|
||||
for len(b) > 8100 {
|
||||
a.packData(buf, b[:8100])
|
||||
b = b[8100:]
|
||||
}
|
||||
if len(b) > 0 {
|
||||
a.packData(buf, b)
|
||||
}
|
||||
|
||||
return nil
|
||||
}
|
||||
|
||||
func (a *authSHA1V4) DecodePacket(b []byte) ([]byte, error) { return b, nil }
|
||||
|
||||
func (a *authSHA1V4) EncodePacket(buf *bytes.Buffer, b []byte) error {
|
||||
buf.Write(b)
|
||||
return nil
|
||||
}
|
||||
|
||||
func (a *authSHA1V4) packData(poolBuf *bytes.Buffer, data []byte) {
|
||||
dataLength := len(data)
|
||||
randDataLength := a.getRandDataLength(dataLength)
|
||||
/*
|
||||
2: uint16 BigEndian packedDataLength
|
||||
2: uint16 LittleEndian crc32Data & 0xffff
|
||||
3: maxRandDataLengthPrefix (min:1)
|
||||
4: adler32Data
|
||||
*/
|
||||
packedDataLength := 2 + 2 + 3 + randDataLength + dataLength + 4
|
||||
if randDataLength < 128 {
|
||||
packedDataLength -= 2
|
||||
}
|
||||
|
||||
binary.Write(poolBuf, binary.BigEndian, uint16(packedDataLength))
|
||||
binary.Write(poolBuf, binary.LittleEndian, uint16(crc32.ChecksumIEEE(poolBuf.Bytes()[poolBuf.Len()-2:])&0xffff))
|
||||
a.packRandData(poolBuf, randDataLength)
|
||||
poolBuf.Write(data)
|
||||
binary.Write(poolBuf, binary.LittleEndian, adler32.Checksum(poolBuf.Bytes()[poolBuf.Len()-packedDataLength+4:]))
|
||||
}
|
||||
|
||||
func (a *authSHA1V4) packAuthData(poolBuf *bytes.Buffer, data []byte) {
|
||||
dataLength := len(data)
|
||||
randDataLength := a.getRandDataLength(12 + dataLength)
|
||||
/*
|
||||
2: uint16 BigEndian packedAuthDataLength
|
||||
4: uint32 LittleEndian crc32Data
|
||||
3: maxRandDataLengthPrefix (min: 1)
|
||||
12: authDataLength
|
||||
10: hmacSHA1DataLength
|
||||
*/
|
||||
packedAuthDataLength := 2 + 4 + 3 + randDataLength + 12 + dataLength + 10
|
||||
if randDataLength < 128 {
|
||||
packedAuthDataLength -= 2
|
||||
}
|
||||
|
||||
salt := []byte("auth_sha1_v4")
|
||||
crcData := pool.Get(len(salt) + len(a.Key) + 2)
|
||||
defer pool.Put(crcData)
|
||||
binary.BigEndian.PutUint16(crcData, uint16(packedAuthDataLength))
|
||||
copy(crcData[2:], salt)
|
||||
copy(crcData[2+len(salt):], a.Key)
|
||||
|
||||
key := pool.Get(len(a.iv) + len(a.Key))
|
||||
defer pool.Put(key)
|
||||
copy(key, a.iv)
|
||||
copy(key[len(a.iv):], a.Key)
|
||||
|
||||
poolBuf.Write(crcData[:2])
|
||||
binary.Write(poolBuf, binary.LittleEndian, crc32.ChecksumIEEE(crcData))
|
||||
a.packRandData(poolBuf, randDataLength)
|
||||
a.putAuthData(poolBuf)
|
||||
poolBuf.Write(data)
|
||||
poolBuf.Write(tools.HmacSHA1(key, poolBuf.Bytes()[poolBuf.Len()-packedAuthDataLength+10:])[:10])
|
||||
}
|
||||
|
||||
func (a *authSHA1V4) packRandData(poolBuf *bytes.Buffer, size int) {
|
||||
if size < 128 {
|
||||
poolBuf.WriteByte(byte(size + 1))
|
||||
tools.AppendRandBytes(poolBuf, size)
|
||||
return
|
||||
}
|
||||
poolBuf.WriteByte(255)
|
||||
binary.Write(poolBuf, binary.BigEndian, uint16(size+3))
|
||||
tools.AppendRandBytes(poolBuf, size)
|
||||
}
|
||||
|
||||
func (a *authSHA1V4) getRandDataLength(size int) int {
|
||||
if size > 1200 {
|
||||
return 0
|
||||
}
|
||||
if size > 400 {
|
||||
return rand.Intn(256)
|
||||
}
|
||||
return rand.Intn(512)
|
||||
}
|
||||
75
transport/clashssr/protocol/base.go
Normal file
75
transport/clashssr/protocol/base.go
Normal file
|
|
@ -0,0 +1,75 @@
|
|||
package protocol
|
||||
|
||||
import (
|
||||
"bytes"
|
||||
"crypto/aes"
|
||||
"crypto/cipher"
|
||||
"encoding/base64"
|
||||
"encoding/binary"
|
||||
"math/rand"
|
||||
"sync"
|
||||
"time"
|
||||
|
||||
"github.com/Dreamacro/clash/common/pool"
|
||||
"github.com/Dreamacro/clash/transport/shadowsocks/core"
|
||||
)
|
||||
|
||||
type Base struct {
|
||||
Key []byte
|
||||
Overhead int
|
||||
Param string
|
||||
}
|
||||
|
||||
type userData struct {
|
||||
userKey []byte
|
||||
userID [4]byte
|
||||
}
|
||||
|
||||
type authData struct {
|
||||
clientID [4]byte
|
||||
connectionID uint32
|
||||
mutex sync.Mutex
|
||||
}
|
||||
|
||||
func (a *authData) next() *authData {
|
||||
r := &authData{}
|
||||
a.mutex.Lock()
|
||||
defer a.mutex.Unlock()
|
||||
if a.connectionID > 0xff000000 || a.connectionID == 0 {
|
||||
rand.Read(a.clientID[:])
|
||||
a.connectionID = rand.Uint32() & 0xffffff
|
||||
}
|
||||
a.connectionID++
|
||||
copy(r.clientID[:], a.clientID[:])
|
||||
r.connectionID = a.connectionID
|
||||
return r
|
||||
}
|
||||
|
||||
func (a *authData) putAuthData(buf *bytes.Buffer) {
|
||||
binary.Write(buf, binary.LittleEndian, uint32(time.Now().Unix()))
|
||||
buf.Write(a.clientID[:])
|
||||
binary.Write(buf, binary.LittleEndian, a.connectionID)
|
||||
}
|
||||
|
||||
func (a *authData) putEncryptedData(b *bytes.Buffer, userKey []byte, paddings [2]int, salt string) error {
|
||||
encrypt := pool.Get(16)
|
||||
defer pool.Put(encrypt)
|
||||
binary.LittleEndian.PutUint32(encrypt, uint32(time.Now().Unix()))
|
||||
copy(encrypt[4:], a.clientID[:])
|
||||
binary.LittleEndian.PutUint32(encrypt[8:], a.connectionID)
|
||||
binary.LittleEndian.PutUint16(encrypt[12:], uint16(paddings[0]))
|
||||
binary.LittleEndian.PutUint16(encrypt[14:], uint16(paddings[1]))
|
||||
|
||||
cipherKey := core.Kdf(base64.StdEncoding.EncodeToString(userKey)+salt, 16)
|
||||
block, err := aes.NewCipher(cipherKey)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
iv := bytes.Repeat([]byte{0}, 16)
|
||||
cbcCipher := cipher.NewCBCEncrypter(block, iv)
|
||||
|
||||
cbcCipher.CryptBlocks(encrypt, encrypt)
|
||||
|
||||
b.Write(encrypt)
|
||||
return nil
|
||||
}
|
||||
33
transport/clashssr/protocol/origin.go
Normal file
33
transport/clashssr/protocol/origin.go
Normal file
|
|
@ -0,0 +1,33 @@
|
|||
package protocol
|
||||
|
||||
import (
|
||||
"bytes"
|
||||
"net"
|
||||
)
|
||||
|
||||
type origin struct{}
|
||||
|
||||
func init() { register("origin", newOrigin, 0) }
|
||||
|
||||
func newOrigin(b *Base) Protocol { return &origin{} }
|
||||
|
||||
func (o *origin) StreamConn(c net.Conn, iv []byte) net.Conn { return c }
|
||||
|
||||
func (o *origin) PacketConn(c net.PacketConn) net.PacketConn { return c }
|
||||
|
||||
func (o *origin) Decode(dst, src *bytes.Buffer) error {
|
||||
dst.ReadFrom(src)
|
||||
return nil
|
||||
}
|
||||
|
||||
func (o *origin) Encode(buf *bytes.Buffer, b []byte) error {
|
||||
buf.Write(b)
|
||||
return nil
|
||||
}
|
||||
|
||||
func (o *origin) DecodePacket(b []byte) ([]byte, error) { return b, nil }
|
||||
|
||||
func (o *origin) EncodePacket(buf *bytes.Buffer, b []byte) error {
|
||||
buf.Write(b)
|
||||
return nil
|
||||
}
|
||||
36
transport/clashssr/protocol/packet.go
Normal file
36
transport/clashssr/protocol/packet.go
Normal file
|
|
@ -0,0 +1,36 @@
|
|||
package protocol
|
||||
|
||||
import (
|
||||
"net"
|
||||
|
||||
"github.com/Dreamacro/clash/common/pool"
|
||||
)
|
||||
|
||||
type PacketConn struct {
|
||||
net.PacketConn
|
||||
Protocol
|
||||
}
|
||||
|
||||
func (c *PacketConn) WriteTo(b []byte, addr net.Addr) (int, error) {
|
||||
buf := pool.GetBuffer()
|
||||
defer pool.PutBuffer(buf)
|
||||
err := c.EncodePacket(buf, b)
|
||||
if err != nil {
|
||||
return 0, err
|
||||
}
|
||||
_, err = c.PacketConn.WriteTo(buf.Bytes(), addr)
|
||||
return len(b), err
|
||||
}
|
||||
|
||||
func (c *PacketConn) ReadFrom(b []byte) (int, net.Addr, error) {
|
||||
n, addr, err := c.PacketConn.ReadFrom(b)
|
||||
if err != nil {
|
||||
return n, addr, err
|
||||
}
|
||||
decoded, err := c.DecodePacket(b[:n])
|
||||
if err != nil {
|
||||
return n, addr, err
|
||||
}
|
||||
copy(b, decoded)
|
||||
return len(decoded), addr, nil
|
||||
}
|
||||
76
transport/clashssr/protocol/protocol.go
Normal file
76
transport/clashssr/protocol/protocol.go
Normal file
|
|
@ -0,0 +1,76 @@
|
|||
package protocol
|
||||
|
||||
import (
|
||||
"bytes"
|
||||
"errors"
|
||||
"fmt"
|
||||
"math/rand"
|
||||
"net"
|
||||
)
|
||||
|
||||
var (
|
||||
errAuthSHA1V4CRC32Error = errors.New("auth_sha1_v4 decode data wrong crc32")
|
||||
errAuthSHA1V4LengthError = errors.New("auth_sha1_v4 decode data wrong length")
|
||||
errAuthSHA1V4Adler32Error = errors.New("auth_sha1_v4 decode data wrong adler32")
|
||||
errAuthAES128MACError = errors.New("auth_aes128 decode data wrong mac")
|
||||
errAuthAES128LengthError = errors.New("auth_aes128 decode data wrong length")
|
||||
errAuthAES128ChksumError = errors.New("auth_aes128 decode data wrong checksum")
|
||||
errAuthChainLengthError = errors.New("auth_chain decode data wrong length")
|
||||
errAuthChainChksumError = errors.New("auth_chain decode data wrong checksum")
|
||||
)
|
||||
|
||||
type Protocol interface {
|
||||
StreamConn(net.Conn, []byte) net.Conn
|
||||
PacketConn(net.PacketConn) net.PacketConn
|
||||
Decode(dst, src *bytes.Buffer) error
|
||||
Encode(buf *bytes.Buffer, b []byte) error
|
||||
DecodePacket([]byte) ([]byte, error)
|
||||
EncodePacket(buf *bytes.Buffer, b []byte) error
|
||||
}
|
||||
|
||||
type protocolCreator func(b *Base) Protocol
|
||||
|
||||
var protocolList = make(map[string]struct {
|
||||
overhead int
|
||||
new protocolCreator
|
||||
})
|
||||
|
||||
func register(name string, c protocolCreator, o int) {
|
||||
protocolList[name] = struct {
|
||||
overhead int
|
||||
new protocolCreator
|
||||
}{overhead: o, new: c}
|
||||
}
|
||||
|
||||
func PickProtocol(name string, b *Base) (Protocol, error) {
|
||||
if choice, ok := protocolList[name]; ok {
|
||||
b.Overhead += choice.overhead
|
||||
return choice.new(b), nil
|
||||
}
|
||||
return nil, fmt.Errorf("protocol %s not supported", name)
|
||||
}
|
||||
|
||||
func getHeadSize(b []byte, defaultValue int) int {
|
||||
if len(b) < 2 {
|
||||
return defaultValue
|
||||
}
|
||||
headType := b[0] & 7
|
||||
switch headType {
|
||||
case 1:
|
||||
return 7
|
||||
case 4:
|
||||
return 19
|
||||
case 3:
|
||||
return 4 + int(b[1])
|
||||
}
|
||||
return defaultValue
|
||||
}
|
||||
|
||||
func getDataLength(b []byte) int {
|
||||
bLength := len(b)
|
||||
dataLength := getHeadSize(b, 30) + rand.Intn(32)
|
||||
if bLength < dataLength {
|
||||
return bLength
|
||||
}
|
||||
return dataLength
|
||||
}
|
||||
50
transport/clashssr/protocol/stream.go
Normal file
50
transport/clashssr/protocol/stream.go
Normal file
|
|
@ -0,0 +1,50 @@
|
|||
package protocol
|
||||
|
||||
import (
|
||||
"bytes"
|
||||
"net"
|
||||
|
||||
"github.com/Dreamacro/clash/common/pool"
|
||||
)
|
||||
|
||||
type Conn struct {
|
||||
net.Conn
|
||||
Protocol
|
||||
decoded bytes.Buffer
|
||||
underDecoded bytes.Buffer
|
||||
}
|
||||
|
||||
func (c *Conn) Read(b []byte) (int, error) {
|
||||
if c.decoded.Len() > 0 {
|
||||
return c.decoded.Read(b)
|
||||
}
|
||||
|
||||
buf := pool.Get(pool.RelayBufferSize)
|
||||
defer pool.Put(buf)
|
||||
n, err := c.Conn.Read(buf)
|
||||
if err != nil {
|
||||
return 0, err
|
||||
}
|
||||
c.underDecoded.Write(buf[:n])
|
||||
err = c.Decode(&c.decoded, &c.underDecoded)
|
||||
if err != nil {
|
||||
return 0, err
|
||||
}
|
||||
n, _ = c.decoded.Read(b)
|
||||
return n, nil
|
||||
}
|
||||
|
||||
func (c *Conn) Write(b []byte) (int, error) {
|
||||
bLength := len(b)
|
||||
buf := pool.GetBuffer()
|
||||
defer pool.PutBuffer(buf)
|
||||
err := c.Encode(buf, b)
|
||||
if err != nil {
|
||||
return 0, err
|
||||
}
|
||||
_, err = c.Conn.Write(buf.Bytes())
|
||||
if err != nil {
|
||||
return 0, err
|
||||
}
|
||||
return bLength, nil
|
||||
}
|
||||
11
transport/clashssr/tools/bufPool.go
Normal file
11
transport/clashssr/tools/bufPool.go
Normal file
|
|
@ -0,0 +1,11 @@
|
|||
package tools
|
||||
|
||||
import (
|
||||
"bytes"
|
||||
"crypto/rand"
|
||||
"io"
|
||||
)
|
||||
|
||||
func AppendRandBytes(b *bytes.Buffer, length int) {
|
||||
b.ReadFrom(io.LimitReader(rand.Reader, int64(length)))
|
||||
}
|
||||
33
transport/clashssr/tools/crypto.go
Normal file
33
transport/clashssr/tools/crypto.go
Normal file
|
|
@ -0,0 +1,33 @@
|
|||
package tools
|
||||
|
||||
import (
|
||||
"crypto/hmac"
|
||||
"crypto/md5"
|
||||
"crypto/sha1"
|
||||
)
|
||||
|
||||
const HmacSHA1Len = 10
|
||||
|
||||
func HmacMD5(key, data []byte) []byte {
|
||||
hmacMD5 := hmac.New(md5.New, key)
|
||||
hmacMD5.Write(data)
|
||||
return hmacMD5.Sum(nil)
|
||||
}
|
||||
|
||||
func HmacSHA1(key, data []byte) []byte {
|
||||
hmacSHA1 := hmac.New(sha1.New, key)
|
||||
hmacSHA1.Write(data)
|
||||
return hmacSHA1.Sum(nil)
|
||||
}
|
||||
|
||||
func MD5Sum(b []byte) []byte {
|
||||
h := md5.New()
|
||||
h.Write(b)
|
||||
return h.Sum(nil)
|
||||
}
|
||||
|
||||
func SHA1Sum(b []byte) []byte {
|
||||
h := sha1.New()
|
||||
h.Write(b)
|
||||
return h.Sum(nil)
|
||||
}
|
||||
57
transport/clashssr/tools/random.go
Normal file
57
transport/clashssr/tools/random.go
Normal file
|
|
@ -0,0 +1,57 @@
|
|||
package tools
|
||||
|
||||
import (
|
||||
"encoding/binary"
|
||||
|
||||
"github.com/Dreamacro/clash/common/pool"
|
||||
)
|
||||
|
||||
// XorShift128Plus - a pseudorandom number generator
|
||||
type XorShift128Plus struct {
|
||||
s [2]uint64
|
||||
}
|
||||
|
||||
func (r *XorShift128Plus) Next() uint64 {
|
||||
x := r.s[0]
|
||||
y := r.s[1]
|
||||
r.s[0] = y
|
||||
x ^= x << 23
|
||||
x ^= y ^ (x >> 17) ^ (y >> 26)
|
||||
r.s[1] = x
|
||||
return x + y
|
||||
}
|
||||
|
||||
func (r *XorShift128Plus) InitFromBin(bin []byte) {
|
||||
var full []byte
|
||||
if len(bin) < 16 {
|
||||
full := pool.Get(16)[:0]
|
||||
defer pool.Put(full)
|
||||
full = append(full, bin...)
|
||||
for len(full) < 16 {
|
||||
full = append(full, 0)
|
||||
}
|
||||
} else {
|
||||
full = bin
|
||||
}
|
||||
r.s[0] = binary.LittleEndian.Uint64(full[:8])
|
||||
r.s[1] = binary.LittleEndian.Uint64(full[8:16])
|
||||
}
|
||||
|
||||
func (r *XorShift128Plus) InitFromBinAndLength(bin []byte, length int) {
|
||||
var full []byte
|
||||
if len(bin) < 16 {
|
||||
full := pool.Get(16)[:0]
|
||||
defer pool.Put(full)
|
||||
full = append(full, bin...)
|
||||
for len(full) < 16 {
|
||||
full = append(full, 0)
|
||||
}
|
||||
}
|
||||
full = bin
|
||||
binary.LittleEndian.PutUint16(full, uint16(length))
|
||||
r.s[0] = binary.LittleEndian.Uint64(full[:8])
|
||||
r.s[1] = binary.LittleEndian.Uint64(full[8:16])
|
||||
for i := 0; i < 4; i++ {
|
||||
r.Next()
|
||||
}
|
||||
}
|
||||
Loading…
Reference in a new issue