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libwebsockets/minimal-examples/ssproxy/ssproxy-custom-transport-uart
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Andy Green 67f532a8c6 cmake: bring tls include requirement out as PUBLIC 
There's no problem for library build, also with LWS_WITH_MINIMAL_EXAMPLES,
but after install at least on OSX, there are problems finding the installed
lws include dir (concealed on most platforms by the path being in the
default search list for the toolchain), and the references in the lws
includes to the tls includes meaning that explicit paths for that must be
available at consuming cmakes.

This patch enhances the cmake config installed by lws to deal with adding
the lws include paths to CMAKE_REQUIRED_INCLUDES and include_directories,
so it can be found before the target is introduced.

The tls include is passed back up the CMakeLists layers and the lws targets
marked with target_include_directories(PUBLIC) with them, so they are
understood as needed by consumers.

More boilerplate is moved out of the example consuming cmakes.

After this, on machines with previous installs of older lws, you may have to
clean out the cmake install path, that is usually something like

/usr/local/lib/cmake/libwebsockets/*

before make installing lws and putting the latest content in there.
2021-10-28 08:12:48 +01:00
..
CMakeLists.txt cmake: bring tls include requirement out as PUBLIC 2021-10-28 08:12:48 +01:00
main.c ss: mass update LE root to ISRG X1 2021-10-08 09:49:06 +01:00
private.h examples: move existing to m-e-lowlevel and start repoulating m-e with SS 2021-10-08 09:49:05 +01:00
README.md examples: move existing to m-e-lowlevel and start repoulating m-e with SS 2021-10-08 09:49:05 +01:00
transport-serial.c examples: move existing to m-e-lowlevel and start repoulating m-e with SS 2021-10-08 09:49:05 +01:00

README.md

lws minimal ssproxy UART transport

Operates as a secure streams proxy, with a custom transport for a UART

See ./minimal-examples/embedded/pico/pico-sspc-binance for an RPi pico based device that wants to use the proxy over UART.

build

 $ cmake . && make

usage

Commandline option Meaning
-d Debug verbosity in decimal, eg, -d15
-f Force connecting to the wrong endpoint to check backoff retry flow
-p If not given, proxy listens on a Unix Domain Socket, if given listen on specified tcp port
-i Optionally specify the UDS path (no -p) or network interface to bind to (if -p also given) 
[2021/10/04 11:05:55:8347] U: LWS secure streams Proxy [-d<verb>]
[2021/10/04 11:05:55:8348] N: LWS: 4.2.99-v4.2.0-215-g0e30e05c8a, NET CLI SRV H1 H2 WS MQTT SS-JSON-POL SSPROX MbedTLS ConMon IPv6-absent
[2021/10/04 11:05:55:8350] N:  ++ [1316112|wsi|0|pipe] (1)
[2021/10/04 11:05:55:8350] N:  ++ [1316112|vh|0|netlink] (1)
[2021/10/04 11:05:55:8351] N:  ++ [1316112|vh|1|default||-1] (2)
[2021/10/04 11:05:55:8354] N:  ++ [1316112|vh|2|le_via_isrg||-1] (3)
[2021/10/04 11:05:55:8355] N:  ++ [1316112|vh|3|_ss_default||-1] (4)
[2021/10/04 11:05:55:8355] U: cb_proxy_serial_transport: PROTOCOL_INIT default
[2021/10/04 11:05:55:8356] N:  ++ [1316112|wsiSScli|0|captive_portal_detect] (1)
[2021/10/04 11:05:55:8356] N: [1316112|wsiSScli|0|captive_portal_detect]: lws_ss_check_next_state_ss: (unset) -> LWSSSCS_CREATING
[2021/10/04 11:05:55:8356] N: [1316112|wsiSScli|0|captive_portal_detect]: lws_ss_check_next_state_ss: LWSSSCS_CREATING -> LWSSSCS_POLL
[2021/10/04 11:05:55:8356] N: [1316112|wsiSScli|0|captive_portal_detect]: lws_ss_check_next_state_ss: LWSSSCS_POLL -> LWSSSCS_CONNECTING
[2021/10/04 11:05:55:8356] N:  ++ [1316112|wsicli|0|GET/h1/connectivitycheck.android.com/([1316112|wsiSScli|0|captive_portal_det] (1)
[2021/10/04 11:05:55:8452] N: lws_ss_sys_cpd: CPD already ongoing
[2021/10/04 11:05:55:9454] N:  ++ [1316112|wsiSScli|1|fetch_policy] (2)
[2021/10/04 11:05:55:9454] N: [1316112|wsiSScli|1|fetch_policy]: lws_ss_check_next_state_ss: (unset) -> LWSSSCS_CREATING
[2021/10/04 11:05:55:9455] N: [1316112|wsiSScli|1|fetch_policy]: lws_ss_check_next_state_ss: LWSSSCS_CREATING -> LWSSSCS_POLL
[2021/10/04 11:05:55:9455] N: [1316112|wsiSScli|1|fetch_policy]: lws_ss_check_next_state_ss: LWSSSCS_POLL -> LWSSSCS_CONNECTING
[2021/10/04 11:05:55:9455] N:  ++ [1316112|wsicli|1|GET/h1/warmcat.com/([1316112|wsiSScli|1|fetch_policy])] (2)
[2021/10/04 11:05:56:0537] N: [1316112|wsiSScli|0|captive_portal_detect]: lws_ss_check_next_state_ss: LWSSSCS_CONNECTING -> LWSSSCS_CONNECTED
[2021/10/04 11:05:56:0538] N: [1316112|wsiSScli|0|captive_portal_detect]: lws_ss_check_next_state_ss: LWSSSCS_CONNECTED -> LWSSSCS_QOS_ACK_REMOTE
[2021/10/04 11:05:56:0538] N: lws_system_cpd_set: setting CPD result OK
[2021/10/04 11:05:56:0538] N: [1316112|wsiSScli|0|captive_portal_detect]: lws_ss_check_next_state_ss: LWSSSCS_QOS_ACK_REMOTE -> LWSSSCS_DISCONNECTED
[2021/10/04 11:05:56:0538] N: [1316112|wsiSScli|0|captive_portal_detect]: lws_ss_check_next_state_ss: LWSSSCS_DISCONNECTED -> LWSSSCS_DESTROYING
[2021/10/04 11:05:56:0538] N:  -- [1316112|wsiSScli|0|captive_portal_detect] (1) 218.222ms
[2021/10/04 11:05:56:0539] N:  -- [1316112|wsicli|0|GET/h1/connectivitycheck.android.com/([1316112|wsiSScli|0|captive_portal_det] (1) 218.250ms
[2021/10/04 11:05:56:1210] N: [1316112|wsiSScli|1|fetch_policy]: lws_ss_check_next_state_ss: LWSSSCS_CONNECTING -> LWSSSCS_CONNECTED
[2021/10/04 11:05:56:1546] N: [1316112|wsiSScli|1|fetch_policy]: lws_ss_check_next_state_ss: LWSSSCS_CONNECTED -> LWSSSCS_QOS_ACK_REMOTE
[2021/10/04 11:05:56:1546] W: lws_ss_destroy: conn->ss->wsi 0 0
[2021/10/04 11:05:56:1547] N:  -- [1316112|wsicli|1|GET/h1/warmcat.com/([1316112|wsiSScli|1|fetch_policy])] (0) 209.245ms
[2021/10/04 11:05:56:1548] N: [1316112|wsiSScli|1|fetch_policy]: lws_ss_check_next_state_ss: LWSSSCS_QOS_ACK_REMOTE -> LWSSSCS_DISCONNECTED
[2021/10/04 11:05:56:1548] N: [1316112|wsiSScli|1|fetch_policy]: lws_ss_check_next_state_ss: LWSSSCS_DISCONNECTED -> LWSSSCS_DESTROYING
[2021/10/04 11:05:56:1548] N:  -- [1316112|wsiSScli|1|fetch_policy] (0) 209.356ms
[2021/10/04 11:05:56:1548] N:  -- [1316112|vh|2|le_via_isrg||-1] (3) 319.414ms
[2021/10/04 11:05:56:1548] N:  ++ [1316112|vh|4|s3-root-cert||-1] (4)
[2021/10/04 11:05:56:1548] N:  ++ [1316112|vh|5|digicert||-1] (5)
[2021/10/04 11:05:56:1549] N:  ++ [1316112|vh|6|le_via_isrg||-1] (6)
[2021/10/04 11:05:56:1549] N:  ++ [1316112|vh|7|arca1||-1] (7)
[2021/10/04 11:05:56:1549] N:  ++ [1316112|vh|8|mqtt_amz_iot||-1] (8)
[2021/10/04 11:05:56:1549] N:  ++ [1316112|vh|9|avs_via_starfield||-1] (9)
[2021/10/04 11:05:56:1550] N:  ++ [1316112|vh|a|api_amazon_com||-1] (10)
[2021/10/04 11:05:56:1550] U: lws_transport_mux_init_proxy_server: priv_inward (nil)
[2021/10/04 11:05:56:2099] N: open_serial_port: serial port opened 6
[2021/10/04 11:05:56:2099] U: txp_serial_init_proxy_server: txp_priv_inward 0x1c70080
[2021/10/04 11:05:56:2099] N:  ++ [1316112|wsisrv|0|adopted] (1)
[2021/10/04 11:05:56:2099] N: LWS_CALLBACK_RAW_ADOPT_FILE
[2021/10/04 11:05:56:2099] U: txp_serial_init_proxy_server: OK (txp_priv_in 0x1c70080)
[2021/10/04 11:05:56:2099] U: lws_transport_mux_init_proxy_server: OK
[2021/10/04 11:05:56:2099] N: sul_ping_cb: issuing ping
[2021/10/04 11:05:56:2241] N: 
[2021/10/04 11:05:56:2242] N: 0000: F9 F6 00 00 00 00 1F 2F 89 9C F7 00 00 01 27 29    ......./......')
[2021/10/04 11:05:56:2242] N: 0010: 4E A2 7B 00 00 00 00 1F 2F 8A 71                   N.{...../.q     
[2021/10/04 11:05:56:2242] N: 
[2021/10/04 11:05:56:2242] U: lws_transport_mux_rx_parse: got PING
[2021/10/04 11:05:56:2242] U: lws_transport_mux_rx_parse: got PONG
[2021/10/04 11:05:56:2242] U: lws_transport_set_link: ******* transport mux link is UP
[2021/10/04 11:05:56:2400] N: 
[2021/10/04 11:05:56:2400] N: 0000: F8 00 00 00 00 1F 2F C1 12                         ....../..       
[2021/10/04 11:05:56:2400] N: 
[2021/10/04 11:05:56:2400] U: lws_transport_mux_rx_parse: got PONGACK: ustime 523223314
[2021/10/04 11:05:56:7500] N: 
[2021/10/04 11:05:56:7500] N: 0000: F0 FF F0 FE                                        ....            
[2021/10/04 11:05:56:7501] N: 
[2021/10/04 11:05:56:7501] N: ltm_ch_opens
[2021/10/04 11:05:56:7501] N: ltm_ch_opens
[2021/10/04 11:05:56:7659] N: 
[2021/10/04 11:05:56:7659] N: 0000: F5 FF 00 13 AA 00 10 01 FF FF FF FF 1D 64 29 1F    .............d).
[2021/10/04 11:05:56:7659] N: 0010: 62 69 6E 61 6E 63 65 F5 FE 00 17 AA 00 14 01 FF    binance.........
[2021/10/04 11:05:56:7659] N: 0020: FF FF FF 1D C8 CA BB 6D 69 6E 74 65 73 74 2D 6C    .......mintest-l
[2021/10/04 11:05:56:7659] N: 0030: 77 73                                              ws              
[2021/10/04 11:05:56:7659] N: 
[2021/10/04 11:05:56:7659] N: ltm_ch_payload
[2021/10/04 11:05:56:7659] N: lws_transport_path_proxy_dump: ltm_ch_payload: MUX: 0x1c70080, IN: ops txp_inside_proxy, priv (nil), ONW: ops txp_inside_proxy, priv (nil)
[2021/10/04 11:05:56:7659] N:  ++ [1316112|wsiSScli|2|binance|v1|4294967295] (1)
[2021/10/04 11:05:56:7659] N: [1316112|wsiSScli|2|binance|v1|4294967295]: lws_ss_check_next_state_ss: (unset) -> LWSSSCS_CREATING
[2021/10/04 11:05:56:7659] N: lws_sss_proxy_onward_state: [1316112|wsiSScli|2|binance|v1|4294967295]: initializing dsh max len 262144
[2021/10/04 11:05:56:7659] N: [1316112|wsiSScli|2|binance|v1|4294967295]: lws_ss_check_next_state_ss: LWSSSCS_CREATING -> LWSSSCS_CONNECTING
[2021/10/04 11:05:56:7659] N:  ++ [1316112|wsicli|2|WS/h1/fstream.binance.com/([1316112|wsiSScli|2|binance|v1|4294967295])] (1)
[2021/10/04 11:05:56:7675] N: ltm_ch_payload
[2021/10/04 11:05:56:7675] N: lws_transport_path_proxy_dump: ltm_ch_payload: MUX: 0x1c70080, IN: ops txp_inside_proxy, priv (nil), ONW: ops txp_inside_proxy, priv (nil)
[2021/10/04 11:05:56:7675] N:  ++ [1316112|wsiSScli|3|mintest-lws|v1|4294967295] (2)
[2021/10/04 11:05:56:7675] N: [1316112|wsiSScli|3|mintest-lws|v1|4294967295]: lws_ss_check_next_state_ss: (unset) -> LWSSSCS_CREATING
[2021/10/04 11:05:56:7675] N: lws_sss_proxy_onward_state: [1316112|wsiSScli|3|mintest-lws|v1|4294967295]: initializing dsh max len 32768
[2021/10/04 11:05:56:7818] N: 
[2021/10/04 11:05:56:7818] N: 0000: F5 FF 00 03 AB 00 00                               .......         
[2021/10/04 11:05:56:7818] N: 
[2021/10/04 11:05:56:7818] N: ltm_ch_payload
[2021/10/04 11:05:56:7818] N: lws_transport_path_proxy_dump: ltm_ch_payload: MUX: 0x1c70080, IN: ops txp_inside_proxy, priv (nil), ONW: ops txp_inside_proxy, priv (nil)
[2021/10/04 11:05:56:7818] N: lws_ss_proxy_deserialize_parse: ONWARD_CONNECT
[2021/10/04 11:05:57:8864] N: [1316112|wsiSScli|2|binance|v1|4294967295]: lws_ss_check_next_state_ss: LWSSSCS_CONNECTING -> LWSSSCS_CONNECTED
[2021/10/04 11:05:57:8980] N: 
[2021/10/04 11:05:57:8981] N: 0000: F5 FE 00 03 AB 00 00                               .......         
[2021/10/04 11:05:57:8981] N: 
[2021/10/04 11:05:57:8981] N: ltm_ch_payload
[2021/10/04 11:05:57:8981] N: lws_transport_path_proxy_dump: ltm_ch_payload: MUX: 0x1c70080, IN: ops txp_inside_proxy, priv (nil), ONW: ops txp_inside_proxy, priv (nil)
[2021/10/04 11:05:57:8981] N: lws_ss_proxy_deserialize_parse: ONWARD_CONNECT
[2021/10/04 11:05:57:8981] N: [1316112|wsiSScli|3|mintest-lws|v1|4294967295]: lws_ss_check_next_state_ss: LWSSSCS_CREATING -> LWSSSCS_CONNECTING
[2021/10/04 11:05:57:8981] N:  ++ [1316112|wsiSSPonw|0|GET/h1/libwebsockets.org/([1316112|wsiSScli|3|mintest-lws|v1|4294967295])] (1)
[2021/10/04 11:05:57:9173] N: lws_ss_serialize_rx_payload: dsh c2p 0, p2c 696
[2021/10/04 11:05:57:9309] N: lws_ss_serialize_rx_payload: dsh c2p 0, p2c 896
[2021/10/04 11:05:57:9513] N: lws_ss_serialize_rx_payload: dsh c2p 0, p2c 512
[2021/10/04 11:05:57:9663] N: lws_ss_serialize_rx_payload: dsh c2p 0, p2c 264
[2021/10/04 11:05:57:9860] N: lws_ss_serialize_rx_payload: dsh c2p 0, p2c 472
[2021/10/04 11:05:58:0126] N: [1316112|wsiSScli|3|mintest-lws|v1|4294967295]: lws_ss_check_next_state_ss: LWSSSCS_CONNECTING -> LWSSSCS_CONNECTED
[2021/10/04 11:05:58:0136] N: lws_ss_serialize_rx_payload: dsh c2p 0, p2c 1744
[2021/10/04 11:05:58:0136] N: lws_ss_serialize_rx_payload: dsh c2p 0, p2c 3344
[2021/10/04 11:05:58:0136] N: lws_ss_serialize_rx_payload: dsh c2p 0, p2c 3720
[2021/10/04 11:05:58:0136] N: lws_ss_serialize_rx_payload: dsh c2p 0, p2c 5392
[2021/10/04 11:05:58:0136] N: lws_ss_serialize_rx_payload: dsh c2p 0, p2c 6752
[2021/10/04 11:05:58:0136] N: lws_ss_serialize_rx_payload: dsh c2p 0, p2c 6840
[2021/10/04 11:05:58:0137] N: [1316112|wsiSScli|3|mintest-lws|v1|4294967295]: lws_ss_check_next_state_ss: LWSSSCS_CONNECTED -> LWSSSCS_QOS_ACK_REMOTE
[2021/10/04 11:05:58:0137] N: [1316112|wsiSScli|3|mintest-lws|v1|4294967295]: lws_ss_check_next_state_ss: LWSSSCS_QOS_ACK_REMOTE -> LWSSSCS_DISCONNECTED
[2021/10/04 11:05:58:0138] N:  -- [1316112|wsiSSPonw|0|GET/h1/libwebsockets.org/([1316112|wsiSScli|3|mintest-lws|v1|4294967295])] (0) 115.696ms
[2021/10/04 11:05:58:0197] N: lws_ss_serialize_rx_payload: dsh c2p 0, p2c 464
[2021/10/04 11:05:58:0555] N: lws_ss_serialize_rx_payload: dsh c2p 0, p2c 464
[2021/10/04 11:05:58:0936] N: lws_ss_serialize_rx_payload: dsh c2p 0, p2c 848
[2021/10/04 11:05:58:1322] N: lws_ss_serialize_rx_payload: dsh c2p 0, p2c 552
[2021/10/04 11:05:58:1647] N: lws_ss_serialize_rx_payload: dsh c2p 0, p2c 1016
[2021/10/04 11:05:58:2000] N: lws_ss_serialize_rx_payload: dsh c2p 0, p2c 448
[2021/10/04 11:05:58:2313] N: lws_ss_serialize_rx_payload: dsh c2p 0, p2c 888
[2021/10/04 11:05:58:2514] N: lws_ss_serialize_rx_payload: dsh c2p 0, p2c 264
[2021/10/04 11:05:58:2562] N: lws_ss_serialize_rx_payload: dsh c2p 0, p2c 464
[2021/10/04 11:05:58:2639] N: lws_ss_serialize_rx_payload: dsh c2p 0, p2c 952
[2021/10/04 11:05:58:2972] N: lws_ss_serialize_rx_payload: dsh c2p 0, p2c 2072
[2021/10/04 11:05:58:3304] N: lws_ss_serialize_rx_payload: dsh c2p 0, p2c 1776
[2021/10/04 11:05:58:3321] N: lws_ss_serialize_rx_payload: dsh c2p 0, p2c 1976
[2021/10/04 11:05:58:3364] N: lws_ss_serialize_rx_payload: dsh c2p 0, p2c 1048
[2021/10/04 11:05:58:3464] N: lws_ss_serialize_rx_payload: dsh c2p 0, p2c 1248
[2021/10/04 11:05:58:3515] N: lws_ss_serialize_rx_payload: dsh c2p 0, p2c 264
[2021/10/04 11:05:58:3629] N: lws_ss_serialize_rx_payload: dsh c2p 0, p2c 1088
[2021/10/04 11:05:58:3706] N: lws_ss_serialize_rx_payload: dsh c2p 0, p2c 272
[2021/10/04 11:05:58:3714] N: lws_ss_serialize_rx_payload: dsh c2p 0, p2c 264
...