Scheme parsing fix (https) and extending (ws, wss) #1570
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Signed-off-by: Aleksey Mikhaylov <aym@tempesta-tech.com>
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Let's move the new code to a new cold state and __FSM_JMP() onto it if c != '/'. It seems all the states Req_UriAuthorityStart, Req_UriAuthority, Req_UriAuthorityIPv6, Req_UriAuthorityResetHost, Req_UriAuthorityEnd, Req_UriPort are also must be cold it also makes sense to move them to after the "Improbable states" comment
fw/http_parser.c
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| @@ -4768,11 +4624,32 @@ Req_Method_1CharStep: __attribute__((cold)) | |||
| __FSM_MOVE_nofixup_n(Req_MUSpace, 0); | |||
| } | |||
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| __FSM_STATE(Req_UriRareForms, cold) { | |||
| /* TODO Support authority form as in RFC7230#section-5.3.3 | |||
| * when CONNECT method will be added */ | |||
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We don't plan to support CONNECT and it seems we don't need it in terms of HTTP/1 for websockets.
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That's right. CONNECT method not needed for websockets. And maybe not needed for Tempesta FW at all, because it is not an explicit proxy. But i have seen in code mentions and TODOs of CONNECT:
root@devvps:~/tempesta# grep -r -I -w CONNECT
fw/t/unit/test_http_parser.c: TEST_REQ_UNKNOWN(CONNECT);
fw/http_parser.c: * DELETE, TRACE and CONNECT requests has no defined semantics \
fw/http_parser.c: * (Successful) response to a CONNECT request
fw/http_parser.c: * in any 2xx (Successful) response to a CONNECT request.
fw/http_parser.c: * when CONNECT method will be added */
fw/http_parser.c: /* TODO: Add (req == CONNECT && resp == 2xx) */
fw/http.h:/* TODO: When CONNECT will be added, add it to tfw_handle_validation_req()
fw/cache.c: /* TODO: Add CONNECT */
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To be consistent with this intention i have added the comment for clarity and completeness. I'll change its content to reflect your note.
Contributes to #755
Signed-off-by: Aleksey Mikhaylov aym@tempesta-tech.com