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libwebsockets/minimal-examples/raw/minimal-raw-fallback-http-server
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Andy Green 4f6143fff0 lws logo: update minimal examples
2020-03-06 04:46:39 +00:00
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mount-origin lws logo: update minimal examples 2020-03-06 04:46:39 +00:00
CMakeLists.txt cleaning 2020-01-05 22:17:58 +00:00
localhost-100y.cert adopt: allow associated accepted vhost connections to specific role 2018-12-01 11:05:59 +08:00
localhost-100y.key adopt: allow associated accepted vhost connections to specific role 2018-12-01 11:05:59 +08:00
minimal-raw-fallback-http-server.c sul: all timed objects use a single pt sul list 2019-08-09 10:12:09 +01:00
README.md role: raw-proxy 2018-12-01 11:05:59 +08:00

README.md

lws minimal raw fallback http server

This is the same as the minimal http server, with one difference... if you connect to localhost:7681 with something that doesn't send recognizable http, then the connection will be switched to a raw-skt role and bind to a protocol that echoes anything sent back to the sender.

build

 $ cmake . && make

usage

Commandline option Meaning
-d Debug verbosity in decimal, eg, -d15
-s Configure the server for tls / https and LWS_SERVER_OPTION_ALLOW_NON_SSL_ON_SSL_PORT
-h (needs -s) Configure the vhost also for LWS_SERVER_OPTION_ALLOW_HTTP_ON_HTTPS_LISTENER, allowing http service on tls port (caution... it's insecure then)
-u (needs -s) Configure the vhost also for LWS_SERVER_OPTION_REDIRECT_HTTP_TO_HTTPS, so the server issues a redirect to https to clients that attempt to connect to a server configured for tls with http. 
 $ ./lws-minimal-raw-fallback-http-server
[2018/11/29 14:27:34:3014] USER: LWS minimal raw fallback http server | visit http://localhost:7681
[2018/11/29 14:27:34:3243] NOTICE: Creating Vhost 'default' port 7681, 1 protocols, IPv6 off

Visit http://127.0.0.1:7681

This allows testing of various combinations of special features for unexpected content on an http(s) listening socket.

cmdline args http://127.0.0.1:7681 https://127.0.0.1:7681 ssh -p7681 127.0.0.1 flags
none served no tls echos hello LWS_SERVER_OPTION_FALLBACK_TO_APPLY_LISTEN_ACCEPT_CONFIG
-s echos http GET served echos hello LWS_SERVER_OPTION_FALLBACK_TO_APPLY_LISTEN_ACCEPT_CONFIG, LWS_SERVER_OPTION_ALLOW_NON_SSL_ON_SSL_PORT
-s -h served served echos hello LWS_SERVER_OPTION_FALLBACK_TO_APPLY_LISTEN_ACCEPT_CONFIG, LWS_SERVER_OPTION_ALLOW_NON_SSL_ON_SSL_PORT, LWS_SERVER_OPTION_ALLOW_HTTP_ON_HTTPS_LISTENER
-s -u redirected to https served echos hello LWS_SERVER_OPTION_FALLBACK_TO_APPLY_LISTEN_ACCEPT_CONFIG, LWS_SERVER_OPTION_ALLOW_NON_SSL_ON_SSL_PORT, LWS_SERVER_OPTION_REDIRECT_HTTP_TO_HTTPS