mirror of
https://github.com/bettercap/bettercap
synced 2025-07-30 11:40:33 -07:00
fix: replaced nfqueue package (fixes #1070)
This commit is contained in:
Simone Margaritelli
parent
dc621f5934
commit
7605f4afa3
3 changed files with 89 additions and 79 deletions
2
go.mod
2
go.mod
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@ -10,11 +10,11 @@ require (
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github.com/bettercap/nrf24 v0.0.0-20190219153547-aa37e6d0e0eb
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github.com/bettercap/readline v0.0.0-20210228151553-655e48bcb7bf
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github.com/bettercap/recording v0.0.0-20190408083647-3ce1dcf032e3
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github.com/chifflier/nfqueue-go v0.0.0-20170228160439-61ca646babef
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github.com/dustin/go-humanize v1.0.1
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github.com/elazarl/goproxy v0.0.0-20240726154733-8b0c20506380
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github.com/elazarl/goproxy/ext v0.0.0-20210110162100-a92cc753f88e // indirect
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github.com/evilsocket/islazy v1.11.0
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github.com/florianl/go-nfqueue/v2 v2.0.0
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github.com/gobwas/glob v0.0.0-20181002190808-e7a84e9525fe
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github.com/google/go-github v17.0.0+incompatible
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github.com/google/go-querystring v1.1.0 // indirect
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16
go.sum
16
go.sum
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@ -6,8 +6,6 @@ github.com/antchfx/jsonquery v1.3.5 h1:243OSaQh02EfmASa3w3weKC9UaiD8RRzJhgfvq3q4
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github.com/antchfx/jsonquery v1.3.5/go.mod h1:qH23yX2Jsj1/k378Yu/EOgPCNgJ35P9tiGOeQdt/GWc=
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github.com/antchfx/xpath v1.3.1 h1:PNbFuUqHwWl0xRjvUPjJ95Agbmdj2uzzIwmQKgu4oCk=
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github.com/antchfx/xpath v1.3.1/go.mod h1:i54GszH55fYfBmoZXapTHN8T8tkcHfRgLyVwwqzXNcs=
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github.com/bettercap/gatt v0.0.0-20210514133428-df6e615f2f67 h1:xzN6806c01hWTz8gjGsRjhOPlYj5/dNoZIR8CN9+O1c=
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github.com/bettercap/gatt v0.0.0-20210514133428-df6e615f2f67/go.mod h1:oafnPgaBI4gqJiYkueCyR4dqygiWGXTGOE0gmmAVeeQ=
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github.com/bettercap/gatt v0.0.0-20240808115956-ec4935e8c4a0 h1:HiFUGV/7eGWG/YJAf9HcKOUmxIj+7LVzC8zD57VX1qo=
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github.com/bettercap/gatt v0.0.0-20240808115956-ec4935e8c4a0/go.mod h1:oafnPgaBI4gqJiYkueCyR4dqygiWGXTGOE0gmmAVeeQ=
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github.com/bettercap/nrf24 v0.0.0-20190219153547-aa37e6d0e0eb h1:JWAAJk4ny+bT3VrtcX+e7mcmWtWUeUM0xVcocSAUuWc=
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@ -16,8 +14,6 @@ github.com/bettercap/readline v0.0.0-20210228151553-655e48bcb7bf h1:pwGPRc5PIp4K
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github.com/bettercap/readline v0.0.0-20210228151553-655e48bcb7bf/go.mod h1:03rWiUf60r1miMVzMEtgtkq7RdZniecZFw3/Zgvyxcs=
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github.com/bettercap/recording v0.0.0-20190408083647-3ce1dcf032e3 h1:pC4ZAk7UtDIbrRKzMMiIL1TVkiKlgtgcJodqKB53Rl4=
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github.com/bettercap/recording v0.0.0-20190408083647-3ce1dcf032e3/go.mod h1:kqVwnx6DKuOHMZcBnzsgp2Lq2JZHDtFtm92b5hxdRaM=
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github.com/chifflier/nfqueue-go v0.0.0-20170228160439-61ca646babef h1:uhLIhHeIRlFbAI1mOHkz3vN23T+QdhA9MgnvnJaQyL0=
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github.com/chifflier/nfqueue-go v0.0.0-20170228160439-61ca646babef/go.mod h1:xn8SYXvxzI99iSN8+Kh3wCvt2fhr27vPPf8ju9FwRS0=
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github.com/chzyer/logex v1.2.1 h1:XHDu3E6q+gdHgsdTPH6ImJMIp436vR6MPtH8gP05QzM=
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github.com/chzyer/logex v1.2.1/go.mod h1:JLbx6lG2kDbNRFnfkgvh4eRJRPX1QCoOIWomwysCBrQ=
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github.com/chzyer/test v1.0.0 h1:p3BQDXSxOhOG0P9z6/hGnII4LGiEPOYBhs8asl/fC04=
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@ -35,11 +31,14 @@ github.com/elazarl/goproxy/ext v0.0.0-20210110162100-a92cc753f88e h1:CQn2/8fi3km
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github.com/elazarl/goproxy/ext v0.0.0-20210110162100-a92cc753f88e/go.mod h1:gNh8nYJoAm43RfaxurUnxr+N1PwuFV3ZMl/efxlIlY8=
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github.com/evilsocket/islazy v1.11.0 h1:B5w6uuS6ki6iDG+aH/RFeoMb8ijQh/pGabewqp2UeJ0=
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github.com/evilsocket/islazy v1.11.0/go.mod h1:muYH4x5MB5YRdkxnrOtrXLIBX6LySj1uFIqys94LKdo=
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github.com/florianl/go-nfqueue/v2 v2.0.0 h1:NTCxS9b0GSbHkWv1a7oOvZn679fsyDkaSkRvOYpQ9Oo=
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github.com/florianl/go-nfqueue/v2 v2.0.0/go.mod h1:M2tBLIj62QpwqjwV0qfcjqGOqP3qiTuXr2uSRBXH9Qk=
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github.com/gobwas/glob v0.0.0-20181002190808-e7a84e9525fe h1:8P+/htb3mwwpeGdJg69yBF/RofK7c6Fjz5Ypa/bTqbY=
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github.com/gobwas/glob v0.0.0-20181002190808-e7a84e9525fe/go.mod h1:d3Ez4x06l9bZtSvzIay5+Yzi0fmZzPgnTbPcKjJAkT8=
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github.com/golang/groupcache v0.0.0-20210331224755-41bb18bfe9da h1:oI5xCqsCo564l8iNU+DwB5epxmsaqB+rhGL0m5jtYqE=
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github.com/golang/groupcache v0.0.0-20210331224755-41bb18bfe9da/go.mod h1:cIg4eruTrX1D+g88fzRXU5OdNfaM+9IcxsU14FzY7Hc=
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github.com/google/go-cmp v0.5.2/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
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github.com/google/go-cmp v0.5.9/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
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github.com/google/go-cmp v0.6.0 h1:ofyhxvXcZhMsU5ulbFiLKl/XBFqE1GSq7atu8tAmTRI=
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github.com/google/go-cmp v0.6.0/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
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github.com/google/go-github v17.0.0+incompatible h1:N0LgJ1j65A7kfXrZnUDaYCs/Sf4rEjNlfyDHW9dolSY=
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@ -58,6 +57,8 @@ github.com/hashicorp/mdns v1.0.5 h1:1M5hW1cunYeoXOqHwEb/GBDDHAFo0Yqb/uz/beC6LbE=
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github.com/hashicorp/mdns v1.0.5/go.mod h1:mtBihi+LeNXGtG8L9dX59gAEa12BDtBQSp4v/YAJqrc=
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github.com/inconshreveable/go-vhost v1.0.0 h1:IK4VZTlXL4l9vz2IZoiSFbYaaqUW7dXJAiPriUN5Ur8=
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github.com/inconshreveable/go-vhost v1.0.0/go.mod h1:aA6DnFhALT3zH0y+A39we+zbrdMC2N0X/q21e6FI0LU=
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github.com/josharian/native v1.1.0 h1:uuaP0hAbW7Y4l0ZRQ6C9zfb7Mg1mbFKry/xzDAfmtLA=
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github.com/josharian/native v1.1.0/go.mod h1:7X/raswPFr05uY3HiLlYeyQntB6OO7E/d2Cu7qoaN2w=
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github.com/jpillora/go-tld v1.2.1 h1:kDKOkmXLlskqjcvNs7w5XHLep7c8WM7Xd4HQjxllVMk=
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github.com/jpillora/go-tld v1.2.1/go.mod h1:plzIl7xr5UWKGy7R+giuv+L/nOjrPjsoWxy/ST9OBUk=
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github.com/kr/binarydist v0.1.0 h1:6kAoLA9FMMnNGSehX0s1PdjbEaACznAv/W219j2uvyo=
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@ -77,6 +78,10 @@ github.com/mattn/go-isatty v0.0.20 h1:xfD0iDuEKnDkl03q4limB+vH+GxLEtL/jb4xVJSWWE
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github.com/mattn/go-isatty v0.0.20/go.mod h1:W+V8PltTTMOvKvAeJH7IuucS94S2C6jfK/D7dTCTo3Y=
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github.com/mdlayher/dhcp6 v0.0.0-20190311162359-2a67805d7d0b h1:r12blE3QRYlW1WBiBEe007O6NrTb/P54OjR5d4WLEGk=
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github.com/mdlayher/dhcp6 v0.0.0-20190311162359-2a67805d7d0b/go.mod h1:p4K2+UAoap8Jzsadsxc0KG0OZjmmCthTPUyZqAVkjBY=
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github.com/mdlayher/netlink v1.7.2 h1:/UtM3ofJap7Vl4QWCPDGXY8d3GIY2UGSDbK+QWmY8/g=
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github.com/mdlayher/netlink v1.7.2/go.mod h1:xraEF7uJbxLhc5fpHL4cPe221LI2bdttWlU+ZGLfQSw=
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github.com/mdlayher/socket v0.4.1 h1:eM9y2/jlbs1M615oshPQOHZzj6R6wMT7bX5NPiQvn2U=
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github.com/mdlayher/socket v0.4.1/go.mod h1:cAqeGjoufqdxWkD7DkpyS+wcefOtmu5OQ8KuoJGIReA=
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github.com/mgutz/ansi v0.0.0-20200706080929-d51e80ef957d h1:5PJl274Y63IEHC+7izoQE9x6ikvDFZS2mDVS3drnohI=
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github.com/mgutz/ansi v0.0.0-20200706080929-d51e80ef957d/go.mod h1:01TrycV0kFyexm33Z7vhZRXopbI8J3TDReVlkTgMUxE=
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github.com/mgutz/logxi v0.0.0-20161027140823-aebf8a7d67ab h1:n8cgpHzJ5+EDyDri2s/GC7a9+qK3/YEGnBsd0uS/8PY=
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@ -138,6 +143,7 @@ golang.org/x/net v0.0.0-20210614182718-04defd469f4e/go.mod h1:9nx3DQGgdP8bBQD5qx
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golang.org/x/net v0.0.0-20220225172249-27dd8689420f/go.mod h1:CfG3xpIq0wQ8r1q4Su4UZFWDARRcnwPjda9FqA0JpMk=
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golang.org/x/net v0.0.0-20220722155237-a158d28d115b/go.mod h1:XRhObCWvk6IyKnWLug+ECip1KBveYUHfp+8e9klMJ9c=
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golang.org/x/net v0.6.0/go.mod h1:2Tu9+aMcznHK/AK1HMvgo6xiTLG5rD5rZLDS+rp2Bjs=
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golang.org/x/net v0.9.0/go.mod h1:d48xBJpPfHeWQsugry2m+kC02ZBRGRgulfHnEXEuWns=
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golang.org/x/net v0.10.0/go.mod h1:0qNGK6F8kojg2nk9dLZ2mShWaEBan6FAoqfSigmmuDg=
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golang.org/x/net v0.15.0/go.mod h1:idbUs1IY1+zTqbi8yxTbhexhEEk5ur9LInksu6HrEpk=
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golang.org/x/net v0.21.0/go.mod h1:bIjVDfnllIU7BJ2DNgfnXvpSvtn8VRwhlsaeUTyUS44=
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@ -170,6 +176,7 @@ golang.org/x/sys v0.0.0-20220722155257-8c9f86f7a55f/go.mod h1:oPkhp1MJrh7nUepCBc
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golang.org/x/sys v0.0.0-20220811171246-fbc7d0a398ab/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
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golang.org/x/sys v0.5.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
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golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
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golang.org/x/sys v0.7.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
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golang.org/x/sys v0.8.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
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golang.org/x/sys v0.12.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
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golang.org/x/sys v0.17.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
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@ -182,6 +189,7 @@ golang.org/x/telemetry v0.0.0-20240521205824-bda55230c457/go.mod h1:pRgIJT+bRLFK
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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/go.mod h1:jbD1KX2456YbFQfuXm/mYQcufACuNUgVhRMnK/tPxf8=
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golang.org/x/term v0.5.0/go.mod h1:jMB1sMXY+tzblOD4FWmEbocvup2/aLOaQEp7JmGp78k=
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golang.org/x/term v0.7.0/go.mod h1:P32HKFT3hSsZrRxla30E9HqToFYAQPCMs/zFMBUFqPY=
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golang.org/x/term v0.8.0/go.mod h1:xPskH00ivmX89bAKVGSKKtLOWNx2+17Eiy94tnKShWo=
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golang.org/x/term v0.12.0/go.mod h1:owVbMEjm3cBLCHdkQu9b1opXd4ETQWc3BhuQGKgXgvU=
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golang.org/x/term v0.17.0/go.mod h1:lLRBjIVuehSbZlaOtGMbcMncT+aqLLLmKrsjNrUguwk=
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@ -2,29 +2,27 @@ package packet_proxy
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import (
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"fmt"
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"io/ioutil"
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golog "log"
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"plugin"
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"context"
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"strings"
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"syscall"
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"time"
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"github.com/bettercap/bettercap/core"
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"github.com/bettercap/bettercap/session"
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"github.com/chifflier/nfqueue-go/nfqueue"
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nfqueue "github.com/florianl/go-nfqueue/v2"
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"github.com/evilsocket/islazy/fs"
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"github.com/evilsocket/islazy/tui"
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)
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type PacketProxy struct {
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session.SessionModule
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done chan bool
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chainName string
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rule string
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queue *nfqueue.Queue
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queue *nfqueue.Nfqueue
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queueNum int
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queueCb nfqueue.Callback
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queueCb nfqueue.HookFunc
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pluginPath string
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plugin *plugin.Plugin
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}
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@ -37,7 +35,6 @@ var mod *PacketProxy
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func NewPacketProxy(s *session.Session) *PacketProxy {
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mod = &PacketProxy{
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SessionModule: session.NewSessionModule("packet.proxy", s),
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done: make(chan bool),
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queue: nil,
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queueCb: nil,
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queueNum: 0,
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@ -95,13 +92,12 @@ func (mod *PacketProxy) destroyQueue() {
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return
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}
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mod.queue.DestroyQueue()
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mod.queue.Close()
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mod.queue = nil
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}
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func (mod *PacketProxy) runRule(enable bool) (err error) {
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action := "-A"
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action := "-I"
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if !enable {
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action = "-D"
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}
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@ -118,7 +114,6 @@ func (mod *PacketProxy) runRule(enable bool) (err error) {
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args = append(args, []string{
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"-j", "NFQUEUE",
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"--queue-num", fmt.Sprintf("%d", mod.queueNum),
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"--queue-bypass",
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}...)
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mod.Debug("iptables %s", args)
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@ -128,8 +123,6 @@ func (mod *PacketProxy) runRule(enable bool) (err error) {
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}
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func (mod *PacketProxy) Configure() (err error) {
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golog.SetOutput(ioutil.Discard)
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mod.destroyQueue()
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if err, mod.queueNum = mod.IntParam("packet.proxy.queue.num"); err != nil {
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@ -142,62 +135,78 @@ func (mod *PacketProxy) Configure() (err error) {
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return
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}
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if mod.pluginPath == "" {
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return fmt.Errorf("The parameter %s can not be empty.", tui.Bold("packet.proxy.plugin"))
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} else if !fs.Exists(mod.pluginPath) {
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return fmt.Errorf("%s does not exist.", mod.pluginPath)
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}
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mod.Info("loading packet proxy plugin from %s ...", mod.pluginPath)
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var ok bool
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var sym plugin.Symbol
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if mod.plugin, err = plugin.Open(mod.pluginPath); err != nil {
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return
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} else if sym, err = mod.plugin.Lookup("OnPacket"); err != nil {
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return
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} else if mod.queueCb, ok = sym.(func(*nfqueue.Payload) int); !ok {
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return fmt.Errorf("Symbol OnPacket is not a valid callback function.")
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}
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if sym, err = mod.plugin.Lookup("OnStart"); err == nil {
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var onStartCb func() int
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if onStartCb, ok = sym.(func() int); !ok {
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return fmt.Errorf("OnStart signature does not match expected signature: 'func() int'")
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} else {
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var result int
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if result = onStartCb(); result != 0 {
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return fmt.Errorf("OnStart returned non-zero result. result=%d", result)
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if mod.pluginPath != "" {
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if !fs.Exists(mod.pluginPath) {
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return fmt.Errorf("%s does not exist.", mod.pluginPath)
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}
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mod.Info("loading packet proxy plugin from %s ...", mod.pluginPath)
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var ok bool
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var sym plugin.Symbol
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if mod.plugin, err = plugin.Open(mod.pluginPath); err != nil {
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return
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} else if sym, err = mod.plugin.Lookup("OnPacket"); err != nil {
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return
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} else if mod.queueCb, ok = sym.(func(nfqueue.Attribute) int); !ok {
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return fmt.Errorf("Symbol OnPacket is not a valid callback function.")
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}
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if sym, err = mod.plugin.Lookup("OnStart"); err == nil {
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var onStartCb func() int
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if onStartCb, ok = sym.(func() int); !ok {
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return fmt.Errorf("OnStart signature does not match expected signature: 'func() int'")
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} else {
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var result int
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if result = onStartCb(); result != 0 {
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return fmt.Errorf("OnStart returned non-zero result. result=%d", result)
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}
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}
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||||
}
|
||||
} else {
|
||||
mod.Warning("no plugin set")
|
||||
}
|
||||
|
||||
mod.queue = new(nfqueue.Queue)
|
||||
if err = mod.queue.SetCallback(dummyCallback); err != nil {
|
||||
return
|
||||
} else if err = mod.queue.Init(); err != nil {
|
||||
return
|
||||
} else if err = mod.queue.Unbind(syscall.AF_INET); err != nil {
|
||||
return
|
||||
} else if err = mod.queue.Bind(syscall.AF_INET); err != nil {
|
||||
return
|
||||
} else if err = mod.queue.CreateQueue(mod.queueNum); err != nil {
|
||||
return
|
||||
} else if err = mod.queue.SetMode(nfqueue.NFQNL_COPY_PACKET); err != nil {
|
||||
return
|
||||
} else if err = mod.runRule(true); err != nil {
|
||||
return
|
||||
config := nfqueue.Config {
|
||||
NfQueue: uint16(mod.queueNum),
|
||||
Copymode: nfqueue.NfQnlCopyPacket,
|
||||
AfFamily: syscall.AF_INET,
|
||||
MaxPacketLen: 0xFFFF,
|
||||
MaxQueueLen: 0xFF,
|
||||
WriteTimeout: 15 * time.Millisecond,
|
||||
}
|
||||
|
||||
mod.Debug("config: %+v", config)
|
||||
|
||||
if err = mod.runRule(true); err != nil {
|
||||
return
|
||||
} else if mod.queue, err = nfqueue.Open(&config); err != nil {
|
||||
return
|
||||
} else if err = mod.queue.RegisterWithErrorFunc(context.Background(), dummyCallback, func(e error) int {
|
||||
mod.Error("%v", e)
|
||||
return -1
|
||||
}); err != nil {
|
||||
return
|
||||
}
|
||||
|
||||
return nil
|
||||
}
|
||||
|
||||
// we need this because for some reason we can't directly
|
||||
// pass the symbol loaded from the plugin as a direct
|
||||
// CGO callback ... ¯\_(ツ)_/¯
|
||||
func dummyCallback(payload *nfqueue.Payload) int {
|
||||
return mod.queueCb(payload)
|
||||
func dummyCallback(attribute nfqueue.Attribute) int {
|
||||
if mod.queueCb != nil {
|
||||
return mod.queueCb(attribute)
|
||||
} else {
|
||||
id := *attribute.PacketID
|
||||
|
||||
mod.Info("[%d] %v", id, *attribute.Payload)
|
||||
|
||||
mod.queue.SetVerdict(id, nfqueue.NfAccept)
|
||||
return 0
|
||||
}
|
||||
}
|
||||
|
||||
func (mod *PacketProxy) Start() error {
|
||||
|
|
@ -209,31 +218,24 @@ func (mod *PacketProxy) Start() error {
|
|||
|
||||
return mod.SetRunning(true, func() {
|
||||
mod.Info("started on queue number %d", mod.queueNum)
|
||||
|
||||
defer mod.destroyQueue()
|
||||
|
||||
mod.queue.Loop()
|
||||
|
||||
mod.done <- true
|
||||
})
|
||||
}
|
||||
|
||||
func (mod *PacketProxy) Stop() (err error) {
|
||||
return mod.SetRunning(false, func() {
|
||||
mod.queue.StopLoop()
|
||||
mod.runRule(false)
|
||||
|
||||
var sym plugin.Symbol
|
||||
if sym, err = mod.plugin.Lookup("OnStop"); err == nil {
|
||||
var onStopCb func()
|
||||
var ok bool
|
||||
if onStopCb, ok = sym.(func()); !ok {
|
||||
mod.Error("OnStop signature does not match expected signature: 'func()', unable to call OnStop.")
|
||||
} else {
|
||||
onStopCb()
|
||||
if mod.plugin != nil {
|
||||
var sym plugin.Symbol
|
||||
if sym, err = mod.plugin.Lookup("OnStop"); err == nil {
|
||||
var onStopCb func()
|
||||
var ok bool
|
||||
if onStopCb, ok = sym.(func()); !ok {
|
||||
mod.Error("OnStop signature does not match expected signature: 'func()', unable to call OnStop.")
|
||||
} else {
|
||||
onStopCb()
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
<-mod.done
|
||||
})
|
||||
}
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue