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78 lines
4.4 KiB
78 lines
4.4 KiB
4 months ago
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# lws minimal http client certinfo
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This demonstrates how to dump information from the peer
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certificate largely independent of the tls backend.
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The application goes to https://warmcat.com and receives the page data.
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Before receiving the page it dumps information on the server's cert.
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This works independently of the tls backend being OpenSSL or mbedTLS.
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However the public keys cannot be compared between the two tls
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backends, since they produce different representations.
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## build
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```
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$ cmake . && make
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```
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## usage
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Commandline option|Meaning
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---|---
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-d <loglevel>|Debug verbosity in decimal, eg, -d15
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-l| Connect to https://localhost:7681 and accept selfsigned cert
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--h1|Specify http/1.1 only using ALPN, rejects h2 even if server supports it
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```
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$ ./lws-minimal-http-client-certinfo
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[2018/04/05 21:39:26:5882] USER: LWS minimal http client
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[2018/04/05 21:39:26:5897] NOTICE: Creating Vhost 'default' (serving disabled), 1 protocols, IPv6 on
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[2018/04/05 21:39:26:5955] NOTICE: created client ssl context for default
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[2018/04/05 21:39:28:0824] NOTICE: lws_http_client_http_response 200
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[2018/04/05 21:39:28:0824] NOTICE: Peer Cert CN : warmcat.com
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[2018/04/05 21:39:28:0824] NOTICE: Peer Cert issuer : /C=GB/ST=Greater Manchester/L=Salford/O=COMODO CA Limited
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[2018/04/05 21:39:28:0825] NOTICE: Peer Cert Valid from: Mon Nov 3 00:00:00 2014
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[2018/04/05 21:39:28:0825] NOTICE: Peer Cert Valid to : Sat Nov 2 23:59:59 2019
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[2018/04/05 21:39:28:0825] NOTICE: Peer Cert usage bits: 0xa0
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[2018/04/05 21:39:28:0825] NOTICE: Peer Cert public key:
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[2018/04/05 21:39:28:0825] NOTICE:
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[2018/04/05 21:39:28:0825] NOTICE: 0000: 30 82 01 22 30 0D 06 09 2A 86 48 86 F7 0D 01 01 0.."0...*.H.....
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[2018/04/05 21:39:28:0825] NOTICE: 0010: 01 05 00 03 82 01 0F 00 30 82 01 0A 02 82 01 01 ........0.......
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[2018/04/05 21:39:28:0825] NOTICE: 0020: 00 EC 39 C1 98 25 A8 99 AC 01 9B D2 16 C0 CA A3 ..9..%..........
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[2018/04/05 21:39:28:0825] NOTICE: 0030: 0E 19 57 E5 3D 23 F3 79 7E 63 BF CD B8 88 D1 16 ..W.=#.y~c......
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[2018/04/05 21:39:28:0825] NOTICE: 0040: C6 F0 A6 ED 66 CB F3 C3 D6 7E A7 A3 AB 00 0A 3E ....f....~.....>
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[2018/04/05 21:39:28:0825] NOTICE: 0050: AD EF 20 44 85 5A 61 F0 71 20 BD E3 D1 4B B6 53 .. D.Za.q ...K.S
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[2018/04/05 21:39:28:0825] NOTICE: 0060: 57 AA 81 E6 ED 74 36 40 E7 FC 62 24 AD E8 82 1D W....t6@..b$....
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[2018/04/05 21:39:28:0826] NOTICE: 0070: 89 C4 3D 64 6C A8 34 4B DB FB DD 7D D2 2D FB 86 ..=dl.4K...}.-..
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[2018/04/05 21:39:28:0826] NOTICE: 0080: 97 EA 6B E2 C9 39 D6 19 DE A8 90 E7 86 8F CF 0A ..k..9..........
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[2018/04/05 21:39:28:0826] NOTICE: 0090: CD 09 3C AF FB 0A FF 85 E8 93 D1 4B A0 C5 21 AD ..<........K..!.
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[2018/04/05 21:39:28:0826] NOTICE: 00A0: 58 52 30 0E 4B FE 4F C8 01 B9 BD 0F D4 E4 64 7B XR0.K.O.......d{
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[2018/04/05 21:39:28:0826] NOTICE: 00B0: 04 B4 D2 68 69 8F F1 D5 FD B0 1A CE 55 43 08 B7 ...hi.......UC..
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[2018/04/05 21:39:28:0826] NOTICE: 00C0: 9F 57 0D 4E E1 CA E8 5C B4 2A 6B AB 05 B5 57 67 .W.N...\.*k...Wg
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[2018/04/05 21:39:28:0826] NOTICE: 00D0: B8 FD 20 F4 4F 6B 0E 47 7C AD EB B4 99 2C 9B 53 .. .Ok.G|....,.S
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[2018/04/05 21:39:28:0826] NOTICE: 00E0: DF EA 67 8D 8A 9D A7 17 01 F9 4E BD 56 43 50 53 ..g.......N.VCPS
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[2018/04/05 21:39:28:0826] NOTICE: 00F0: 08 4E FE 6A 85 4A 4D 45 03 DA 01 00 96 7A C0 A9 .N.j.JME.....z..
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[2018/04/05 21:39:28:0826] NOTICE: 0100: C2 32 5E 1A 9F 6F 7B E2 02 5E 70 12 D3 8E 76 6A .2^..o{..^p...vj
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[2018/04/05 21:39:28:0826] NOTICE: 0110: 0B 59 A4 D7 31 9D C6 86 08 53 2E 02 8A 1E B1 FB .Y..1....S......
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[2018/04/05 21:39:28:0826] NOTICE: 0120: 7B 02 03 01 00 01 {.....
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[2018/04/05 21:39:28:0826] NOTICE:
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[2018/04/05 21:39:28:0829] USER: RECEIVE_CLIENT_HTTP_READ: read 503
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[2018/04/05 21:39:28:0829] USER: RECEIVE_CLIENT_HTTP_READ: read 512
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[2018/04/05 21:39:28:0829] USER: RECEIVE_CLIENT_HTTP_READ: read 512
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[2018/04/05 21:39:28:0829] USER: RECEIVE_CLIENT_HTTP_READ: read 512
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...
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[2018/04/05 21:39:28:3777] USER: RECEIVE_CLIENT_HTTP_READ: read 512
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[2018/04/05 21:39:28:3777] USER: RECEIVE_CLIENT_HTTP_READ: read 512
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[2018/04/05 21:39:28:3778] USER: RECEIVE_CLIENT_HTTP_READ: read 503
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[2018/04/05 21:39:28:3778] USER: RECEIVE_CLIENT_HTTP_READ: read 512
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[2018/04/05 21:39:28:3778] USER: RECEIVE_CLIENT_HTTP_READ: read 512
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[2018/04/05 21:39:28:3778] USER: RECEIVE_CLIENT_HTTP_READ: read 471
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[2018/04/05 21:39:28:3778] USER: LWS_CALLBACK_COMPLETED_CLIENT_HTTP
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[2018/04/05 21:39:28:3787] USER: Completed
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```
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