6f38414b48
The renegotiation extension was introduced[1] due to an attack by Ray in which a client's handshake was spliced into a connection that was renegotiating, thus giving an attacker the ability to inject an arbitary prefix into the connection. Go has never supported renegotiation as a server and so this attack doesn't apply. As a client, it's possible that at some point in the future the population of servers will be sufficiently updated that it'll be possible to reject connections where the server hasn't demonstrated that it has been updated to address this problem. We're not at that point yet, but it's good for Go servers to support the extension so that it might be possible to do in the future. [1] https://tools.ietf.org/search/rfc5746 R=golang-codereviews, mikioh.mikioh CC=golang-codereviews https://golang.org/cl/48580043
100 lines
7.4 KiB
Plaintext
100 lines
7.4 KiB
Plaintext
>>> Flow 1 (client to server)
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00000000 16 03 01 00 75 01 00 00 71 03 03 00 00 00 00 00 |....u...q.......|
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00000010 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................|
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00000020 00 00 00 00 00 00 00 00 00 00 00 00 00 1a c0 2f |.............../|
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00000030 c0 2b c0 11 c0 07 c0 13 c0 09 c0 14 c0 0a 00 05 |.+..............|
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00000040 00 2f 00 35 c0 12 00 0a 01 00 00 2e 00 05 00 05 |./.5............|
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00000050 01 00 00 00 00 00 0a 00 08 00 06 00 17 00 18 00 |................|
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00000060 19 00 0b 00 02 01 00 00 0d 00 0a 00 08 04 01 04 |................|
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00000070 03 02 01 02 03 ff 01 00 01 00 |..........|
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>>> Flow 2 (server to client)
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00000000 16 03 03 00 59 02 00 00 55 03 03 52 cc 57 58 64 |....Y...U..R.WXd|
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00000010 28 c0 0d 0a be 3a aa 96 4e 92 8d 9d f2 19 ab de |(....:..N.......|
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00000020 b2 05 3a 61 13 78 60 7e 96 24 b2 20 a3 06 80 14 |..:a.x`~.$. ....|
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00000030 15 52 89 1b d4 84 94 8b ed 66 8d 75 63 8f dc 5a |.R.......f.uc..Z|
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00000040 a8 20 14 65 5d ce 7e 2f 4b 3e 1e 09 c0 13 00 00 |. .e].~/K>......|
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00000050 0d ff 01 00 01 00 00 0b 00 04 03 00 01 02 16 03 |................|
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00000060 03 02 be 0b 00 02 ba 00 02 b7 00 02 b4 30 82 02 |.............0..|
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00000070 b0 30 82 02 19 a0 03 02 01 02 02 09 00 85 b0 bb |.0..............|
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00000080 a4 8a 7f b8 ca 30 0d 06 09 2a 86 48 86 f7 0d 01 |.....0...*.H....|
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00000090 01 05 05 00 30 45 31 0b 30 09 06 03 55 04 06 13 |....0E1.0...U...|
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000000a0 02 41 55 31 13 30 11 06 03 55 04 08 13 0a 53 6f |.AU1.0...U....So|
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000000b0 6d 65 2d 53 74 61 74 65 31 21 30 1f 06 03 55 04 |me-State1!0...U.|
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000000c0 0a 13 18 49 6e 74 65 72 6e 65 74 20 57 69 64 67 |...Internet Widg|
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000000d0 69 74 73 20 50 74 79 20 4c 74 64 30 1e 17 0d 31 |its Pty Ltd0...1|
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000000e0 30 30 34 32 34 30 39 30 39 33 38 5a 17 0d 31 31 |00424090938Z..11|
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000000f0 30 34 32 34 30 39 30 39 33 38 5a 30 45 31 0b 30 |0424090938Z0E1.0|
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00000100 09 06 03 55 04 06 13 02 41 55 31 13 30 11 06 03 |...U....AU1.0...|
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00000110 55 04 08 13 0a 53 6f 6d 65 2d 53 74 61 74 65 31 |U....Some-State1|
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00000120 21 30 1f 06 03 55 04 0a 13 18 49 6e 74 65 72 6e |!0...U....Intern|
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00000130 65 74 20 57 69 64 67 69 74 73 20 50 74 79 20 4c |et Widgits Pty L|
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00000140 74 64 30 81 9f 30 0d 06 09 2a 86 48 86 f7 0d 01 |td0..0...*.H....|
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00000150 01 01 05 00 03 81 8d 00 30 81 89 02 81 81 00 bb |........0.......|
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00000160 79 d6 f5 17 b5 e5 bf 46 10 d0 dc 69 be e6 2b 07 |y......F...i..+.|
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00000170 43 5a d0 03 2d 8a 7a 43 85 b7 14 52 e7 a5 65 4c |CZ..-.zC...R..eL|
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00000180 2c 78 b8 23 8c b5 b4 82 e5 de 1f 95 3b 7e 62 a5 |,x.#........;~b.|
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00000190 2c a5 33 d6 fe 12 5c 7a 56 fc f5 06 bf fa 58 7b |,.3...\zV.....X{|
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000001a0 26 3f b5 cd 04 d3 d0 c9 21 96 4a c7 f4 54 9f 5a |&?......!.J..T.Z|
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000001b0 bf ef 42 71 00 fe 18 99 07 7f 7e 88 7d 7d f1 04 |..Bq......~.}}..|
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000001c0 39 c4 a2 2e db 51 c9 7c e3 c0 4c 3b 32 66 01 cf |9....Q.|..L;2f..|
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000001d0 af b1 1d b8 71 9a 1d db db 89 6b ae da 2d 79 02 |....q.....k..-y.|
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000001e0 03 01 00 01 a3 81 a7 30 81 a4 30 1d 06 03 55 1d |.......0..0...U.|
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000001f0 0e 04 16 04 14 b1 ad e2 85 5a cf cb 28 db 69 ce |.........Z..(.i.|
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00000200 23 69 de d3 26 8e 18 88 39 30 75 06 03 55 1d 23 |#i..&...90u..U.#|
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00000210 04 6e 30 6c 80 14 b1 ad e2 85 5a cf cb 28 db 69 |.n0l......Z..(.i|
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00000220 ce 23 69 de d3 26 8e 18 88 39 a1 49 a4 47 30 45 |.#i..&...9.I.G0E|
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00000230 31 0b 30 09 06 03 55 04 06 13 02 41 55 31 13 30 |1.0...U....AU1.0|
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00000240 11 06 03 55 04 08 13 0a 53 6f 6d 65 2d 53 74 61 |...U....Some-Sta|
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00000250 74 65 31 21 30 1f 06 03 55 04 0a 13 18 49 6e 74 |te1!0...U....Int|
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00000260 65 72 6e 65 74 20 57 69 64 67 69 74 73 20 50 74 |ernet Widgits Pt|
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00000270 79 20 4c 74 64 82 09 00 85 b0 bb a4 8a 7f b8 ca |y Ltd...........|
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00000280 30 0c 06 03 55 1d 13 04 05 30 03 01 01 ff 30 0d |0...U....0....0.|
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00000290 06 09 2a 86 48 86 f7 0d 01 01 05 05 00 03 81 81 |..*.H...........|
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000002a0 00 08 6c 45 24 c7 6b b1 59 ab 0c 52 cc f2 b0 14 |..lE$.k.Y..R....|
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000002b0 d7 87 9d 7a 64 75 b5 5a 95 66 e4 c5 2b 8e ae 12 |...zdu.Z.f..+...|
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000002c0 66 1f eb 4f 38 b3 6e 60 d3 92 fd f7 41 08 b5 25 |f..O8.n`....A..%|
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000002d0 13 b1 18 7a 24 fb 30 1d ba ed 98 b9 17 ec e7 d7 |...z$.0.........|
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000002e0 31 59 db 95 d3 1d 78 ea 50 56 5c d5 82 5a 2d 5a |1Y....x.PV\..Z-Z|
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000002f0 5f 33 c4 b6 d8 c9 75 90 96 8c 0f 52 98 b5 cd 98 |_3....u....R....|
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00000300 1f 89 20 5f f2 a0 1c a3 1b 96 94 dd a9 fd 57 e9 |.. _..........W.|
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00000310 70 e8 26 6d 71 99 9b 26 6e 38 50 29 6c 90 a7 bd |p.&mq..&n8P)l...|
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00000320 d9 16 03 03 00 cd 0c 00 00 c9 03 00 17 41 04 33 |.............A.3|
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00000330 96 55 c1 5e 9d c4 a1 23 86 5b e8 df f9 7d d4 d0 |.U.^...#.[...}..|
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00000340 5f 61 9a c6 24 be a6 4b ce 08 6e 9f 8f ef 08 66 |_a..$..K..n....f|
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00000350 9f a5 2e e7 04 c9 f2 d9 ab ef fa 62 28 a0 01 7a |...........b(..z|
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00000360 d9 d6 44 9b c3 25 dc 5e a9 75 ea 8d 2f e8 63 04 |..D..%.^.u../.c.|
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00000370 01 00 80 ba b3 36 74 0f 2c 3a c2 a3 2c ae 74 dc |.....6t.,:..,.t.|
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00000380 f8 90 ba 91 10 a3 c1 8e 2b bf 2c b4 05 78 12 ff |........+.,..x..|
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00000390 ec 62 b3 db f2 27 3d d0 0f bb 7d 1e f6 8f fd ee |.b...'=...}.....|
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000003a0 53 37 be 6a 9e d9 21 42 ea 20 1e d8 fc eb 3c 79 |S7.j..!B. ....<y|
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000003b0 98 85 ab fe 9b 2d 63 77 cb 13 32 32 81 94 3e 53 |.....-cw..22..>S|
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000003c0 4f a7 63 c4 78 2d a2 48 08 ea f6 2a 50 24 33 f4 |O.c.x-.H...*P$3.|
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000003d0 9f 10 63 13 80 4e ec 5e 68 e3 18 f0 7b a4 2f 16 |..c..N.^h...{./.|
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000003e0 db c0 aa 8c a0 ee 47 65 a9 57 f3 a5 ef 6a 45 f5 |......Ge.W...jE.|
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000003f0 e2 54 cd 16 03 03 00 04 0e 00 00 00 |.T..........|
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>>> Flow 3 (client to server)
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00000000 16 03 03 00 46 10 00 00 42 41 04 1e 18 37 ef 0d |....F...BA...7..|
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00000010 19 51 88 35 75 71 b5 e5 54 5b 12 2e 8f 09 67 fd |.Q.5uq..T[....g.|
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00000020 a7 24 20 3e b2 56 1c ce 97 28 5e f8 2b 2d 4f 9e |.$ >.V...(^.+-O.|
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00000030 f1 07 9f 6c 4b 5b 83 56 e2 32 42 e9 58 b6 d7 49 |...lK[.V.2B.X..I|
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00000040 a6 b5 68 1a 41 03 56 6b dc 5a 89 14 03 03 00 01 |..h.A.Vk.Z......|
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00000050 01 16 03 03 00 40 00 00 00 00 00 00 00 00 00 00 |.....@..........|
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00000060 00 00 00 00 00 00 73 06 31 ab 8e cc e0 db 1a fe |......s.1.......|
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00000070 7e d1 5b 2b 96 93 ee 2d 76 54 17 f9 c2 73 e8 62 |~.[+...-vT...s.b|
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00000080 f0 39 31 02 72 e9 ae 08 75 2d f1 f3 82 06 17 57 |.91.r...u-.....W|
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00000090 b7 aa c2 79 9f 8e |...y..|
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>>> Flow 4 (server to client)
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00000000 14 03 03 00 01 01 16 03 03 00 40 dc c3 03 17 76 |..........@....v|
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00000010 d0 a5 61 9e 47 6a 1a 01 d0 21 92 c5 d5 f9 69 ba |..a.Gj...!....i.|
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00000020 5e 82 2e d3 fc 4b a4 af 78 9d 47 6e b8 33 dc 8b |^....K..x.Gn.3..|
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00000030 a0 94 b5 72 ea 4a 7d fc ea f5 6e b6 c9 00 73 d1 |...r.J}...n...s.|
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00000040 3e cb 44 ef 0c fc fc ff 1e 87 8e |>.D........|
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>>> Flow 5 (client to server)
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00000000 17 03 03 00 30 00 00 00 00 00 00 00 00 00 00 00 |....0...........|
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00000010 00 00 00 00 00 de 2e e3 8e d3 a5 e5 64 8e 22 f7 |............d.".|
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00000020 09 00 15 06 cb e9 d3 c5 3c 17 41 2f 5b a8 ce 09 |........<.A/[...|
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00000030 70 59 47 24 22 15 03 03 00 30 00 00 00 00 00 00 |pYG$"....0......|
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00000040 00 00 00 00 00 00 00 00 00 00 6a af 3f c1 54 6b |..........j.?.Tk|
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00000050 14 64 23 c4 94 79 82 fd 78 84 ef 04 6f 64 fd 3e |.d#..y..x...od.>|
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00000060 20 ff a0 11 ed fb d1 fb ff 07 | .........|
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