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diff src/http/ngx_http_request.c @ 7234:c693daca57f7

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gRPC: special handling of the TE request header. According to the gRPC protocol specification, the "TE" header is used to detect incompatible proxies, and at least grpc-c server rejects requests without "TE: trailers". To preserve the logic, we have to pass "TE: trailers" to the backend if and only if the original request contains "trailers" in the "TE" header. Note that no other TE values are allowed in HTTP/2, so we have to remove anything else.
author Maxim Dounin <mdounin@mdounin.ru>
date Sat, 17 Mar 2018 23:04:25 +0300
parents 33edea74bd58
children 7f955d3b9a0d ea3f1f9af72c
line wrap: on
line diff
--- a/src/http/ngx_http_request.c
+++ b/src/http/ngx_http_request.c
@@ -132,6 +132,10 @@ ngx_http_header_t  ngx_http_headers_in[]
                  offsetof(ngx_http_headers_in_t, transfer_encoding),
                  ngx_http_process_header_line },
 
+    { ngx_string("TE"),
+                 offsetof(ngx_http_headers_in_t, te),
+                 ngx_http_process_header_line },
+
     { ngx_string("Expect"),
                  offsetof(ngx_http_headers_in_t, expect),
                  ngx_http_process_unique_header_line },