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diff --git a/third_party/python/aiohttp/vendor/llhttp/test/request/transfer-encoding.md b/third_party/python/aiohttp/vendor/llhttp/test/request/transfer-encoding.md new file mode 100644 index 0000000000..9fd99742eb --- /dev/null +++ b/third_party/python/aiohttp/vendor/llhttp/test/request/transfer-encoding.md @@ -0,0 +1,885 @@ +Transfer-Encoding header +======================== + +## `chunked` + +### Parsing and setting flag + +<!-- meta={"type": "request"} --> +```http +PUT /url HTTP/1.1 +Transfer-Encoding: chunked + + +``` + +```log +off=0 message begin +off=0 len=3 span[method]="PUT" +off=3 method complete +off=4 len=4 span[url]="/url" +off=9 url complete +off=14 len=3 span[version]="1.1" +off=17 version complete +off=19 len=17 span[header_field]="Transfer-Encoding" +off=37 header_field complete +off=38 len=7 span[header_value]="chunked" +off=47 header_value complete +off=49 headers complete method=4 v=1/1 flags=208 content_length=0 +``` + +### Parse chunks with lowercase size + +<!-- meta={"type": "request"} --> +```http +PUT /url HTTP/1.1 +Transfer-Encoding: chunked + +a +0123456789 +0 + + +``` + +```log +off=0 message begin +off=0 len=3 span[method]="PUT" +off=3 method complete +off=4 len=4 span[url]="/url" +off=9 url complete +off=14 len=3 span[version]="1.1" +off=17 version complete +off=19 len=17 span[header_field]="Transfer-Encoding" +off=37 header_field complete +off=38 len=7 span[header_value]="chunked" +off=47 header_value complete +off=49 headers complete method=4 v=1/1 flags=208 content_length=0 +off=52 chunk header len=10 +off=52 len=10 span[body]="0123456789" +off=64 chunk complete +off=67 chunk header len=0 +off=69 chunk complete +off=69 message complete +``` + +### Parse chunks with uppercase size + +<!-- meta={"type": "request"} --> +```http +PUT /url HTTP/1.1 +Transfer-Encoding: chunked + +A +0123456789 +0 + + +``` + +```log +off=0 message begin +off=0 len=3 span[method]="PUT" +off=3 method complete +off=4 len=4 span[url]="/url" +off=9 url complete +off=14 len=3 span[version]="1.1" +off=17 version complete +off=19 len=17 span[header_field]="Transfer-Encoding" +off=37 header_field complete +off=38 len=7 span[header_value]="chunked" +off=47 header_value complete +off=49 headers complete method=4 v=1/1 flags=208 content_length=0 +off=52 chunk header len=10 +off=52 len=10 span[body]="0123456789" +off=64 chunk complete +off=67 chunk header len=0 +off=69 chunk complete +off=69 message complete +``` + +### POST with `Transfer-Encoding: chunked` + +<!-- meta={"type": "request"} --> +```http +POST /post_chunked_all_your_base HTTP/1.1 +Transfer-Encoding: chunked + +1e +all your base are belong to us +0 + + +``` + +```log +off=0 message begin +off=0 len=4 span[method]="POST" +off=4 method complete +off=5 len=27 span[url]="/post_chunked_all_your_base" +off=33 url complete +off=38 len=3 span[version]="1.1" +off=41 version complete +off=43 len=17 span[header_field]="Transfer-Encoding" +off=61 header_field complete +off=62 len=7 span[header_value]="chunked" +off=71 header_value complete +off=73 headers complete method=3 v=1/1 flags=208 content_length=0 +off=77 chunk header len=30 +off=77 len=30 span[body]="all your base are belong to us" +off=109 chunk complete +off=112 chunk header len=0 +off=114 chunk complete +off=114 message complete +``` + +### Two chunks and triple zero prefixed end chunk + +<!-- meta={"type": "request"} --> +```http +POST /two_chunks_mult_zero_end HTTP/1.1 +Transfer-Encoding: chunked + +5 +hello +6 + world +000 + + +``` + +```log +off=0 message begin +off=0 len=4 span[method]="POST" +off=4 method complete +off=5 len=25 span[url]="/two_chunks_mult_zero_end" +off=31 url complete +off=36 len=3 span[version]="1.1" +off=39 version complete +off=41 len=17 span[header_field]="Transfer-Encoding" +off=59 header_field complete +off=60 len=7 span[header_value]="chunked" +off=69 header_value complete +off=71 headers complete method=3 v=1/1 flags=208 content_length=0 +off=74 chunk header len=5 +off=74 len=5 span[body]="hello" +off=81 chunk complete +off=84 chunk header len=6 +off=84 len=6 span[body]=" world" +off=92 chunk complete +off=97 chunk header len=0 +off=99 chunk complete +off=99 message complete +``` + +### Trailing headers + +<!-- meta={"type": "request"} --> +```http +POST /chunked_w_trailing_headers HTTP/1.1 +Transfer-Encoding: chunked + +5 +hello +6 + world +0 +Vary: * +Content-Type: text/plain + + +``` + +```log +off=0 message begin +off=0 len=4 span[method]="POST" +off=4 method complete +off=5 len=27 span[url]="/chunked_w_trailing_headers" +off=33 url complete +off=38 len=3 span[version]="1.1" +off=41 version complete +off=43 len=17 span[header_field]="Transfer-Encoding" +off=61 header_field complete +off=62 len=7 span[header_value]="chunked" +off=71 header_value complete +off=73 headers complete method=3 v=1/1 flags=208 content_length=0 +off=76 chunk header len=5 +off=76 len=5 span[body]="hello" +off=83 chunk complete +off=86 chunk header len=6 +off=86 len=6 span[body]=" world" +off=94 chunk complete +off=97 chunk header len=0 +off=97 len=4 span[header_field]="Vary" +off=102 header_field complete +off=103 len=1 span[header_value]="*" +off=106 header_value complete +off=106 len=12 span[header_field]="Content-Type" +off=119 header_field complete +off=120 len=10 span[header_value]="text/plain" +off=132 header_value complete +off=134 chunk complete +off=134 message complete +``` + +### Chunk extensions + +<!-- meta={"type": "request"} --> +```http +POST /chunked_w_unicorns_after_length HTTP/1.1 +Transfer-Encoding: chunked + +5;ilovew3;somuchlove=aretheseparametersfor +hello +6;blahblah;blah + world +0 + +``` + +```log +off=0 message begin +off=0 len=4 span[method]="POST" +off=4 method complete +off=5 len=32 span[url]="/chunked_w_unicorns_after_length" +off=38 url complete +off=43 len=3 span[version]="1.1" +off=46 version complete +off=48 len=17 span[header_field]="Transfer-Encoding" +off=66 header_field complete +off=67 len=7 span[header_value]="chunked" +off=76 header_value complete +off=78 headers complete method=3 v=1/1 flags=208 content_length=0 +off=80 len=7 span[chunk_extension_name]="ilovew3" +off=88 chunk_extension_name complete +off=88 len=10 span[chunk_extension_name]="somuchlove" +off=99 chunk_extension_name complete +off=99 len=21 span[chunk_extension_value]="aretheseparametersfor" +off=121 chunk_extension_value complete +off=122 chunk header len=5 +off=122 len=5 span[body]="hello" +off=129 chunk complete +off=131 len=8 span[chunk_extension_name]="blahblah" +off=140 chunk_extension_name complete +off=140 len=4 span[chunk_extension_name]="blah" +off=145 chunk_extension_name complete +off=146 chunk header len=6 +off=146 len=6 span[body]=" world" +off=154 chunk complete +off=157 chunk header len=0 +``` + +### No semicolon before chunk extensions + +<!-- meta={"type": "request"} --> +```http +POST /chunked_w_unicorns_after_length HTTP/1.1 +Host: localhost +Transfer-encoding: chunked + +2 erfrferferf +aa +0 rrrr + + +``` + +```log +off=0 message begin +off=0 len=4 span[method]="POST" +off=4 method complete +off=5 len=32 span[url]="/chunked_w_unicorns_after_length" +off=38 url complete +off=43 len=3 span[version]="1.1" +off=46 version complete +off=48 len=4 span[header_field]="Host" +off=53 header_field complete +off=54 len=9 span[header_value]="localhost" +off=65 header_value complete +off=65 len=17 span[header_field]="Transfer-encoding" +off=83 header_field complete +off=84 len=7 span[header_value]="chunked" +off=93 header_value complete +off=95 headers complete method=3 v=1/1 flags=208 content_length=0 +off=96 error code=12 reason="Invalid character in chunk size" +``` + +### No extension after semicolon + +<!-- meta={"type": "request"} --> +```http +POST /chunked_w_unicorns_after_length HTTP/1.1 +Host: localhost +Transfer-encoding: chunked + +2; +aa +0 + + +``` + +```log +off=0 message begin +off=0 len=4 span[method]="POST" +off=4 method complete +off=5 len=32 span[url]="/chunked_w_unicorns_after_length" +off=38 url complete +off=43 len=3 span[version]="1.1" +off=46 version complete +off=48 len=4 span[header_field]="Host" +off=53 header_field complete +off=54 len=9 span[header_value]="localhost" +off=65 header_value complete +off=65 len=17 span[header_field]="Transfer-encoding" +off=83 header_field complete +off=84 len=7 span[header_value]="chunked" +off=93 header_value complete +off=95 headers complete method=3 v=1/1 flags=208 content_length=0 +off=98 error code=2 reason="Invalid character in chunk extensions" +``` + + +### Chunk extensions quoting + +<!-- meta={"type": "request"} --> +```http +POST /chunked_w_unicorns_after_length HTTP/1.1 +Transfer-Encoding: chunked + +5;ilovew3="I love; extensions";somuchlove="aretheseparametersfor";blah;foo=bar +hello +6;blahblah;blah + world +0 + +``` + +```log +off=0 message begin +off=0 len=4 span[method]="POST" +off=4 method complete +off=5 len=32 span[url]="/chunked_w_unicorns_after_length" +off=38 url complete +off=43 len=3 span[version]="1.1" +off=46 version complete +off=48 len=17 span[header_field]="Transfer-Encoding" +off=66 header_field complete +off=67 len=7 span[header_value]="chunked" +off=76 header_value complete +off=78 headers complete method=3 v=1/1 flags=208 content_length=0 +off=80 len=7 span[chunk_extension_name]="ilovew3" +off=88 chunk_extension_name complete +off=88 len=20 span[chunk_extension_value]=""I love; extensions"" +off=108 chunk_extension_value complete +off=109 len=10 span[chunk_extension_name]="somuchlove" +off=120 chunk_extension_name complete +off=120 len=23 span[chunk_extension_value]=""aretheseparametersfor"" +off=143 chunk_extension_value complete +off=144 len=4 span[chunk_extension_name]="blah" +off=149 chunk_extension_name complete +off=149 len=3 span[chunk_extension_name]="foo" +off=153 chunk_extension_name complete +off=153 len=3 span[chunk_extension_value]="bar" +off=157 chunk_extension_value complete +off=158 chunk header len=5 +off=158 len=5 span[body]="hello" +off=165 chunk complete +off=167 len=8 span[chunk_extension_name]="blahblah" +off=176 chunk_extension_name complete +off=176 len=4 span[chunk_extension_name]="blah" +off=181 chunk_extension_name complete +off=182 chunk header len=6 +off=182 len=6 span[body]=" world" +off=190 chunk complete +off=193 chunk header len=0 +``` + + +### Unbalanced chunk extensions quoting + +<!-- meta={"type": "request"} --> +```http +POST /chunked_w_unicorns_after_length HTTP/1.1 +Transfer-Encoding: chunked + +5;ilovew3="abc";somuchlove="def; ghi +hello +6;blahblah;blah + world +0 + +``` + +```log +off=0 message begin +off=0 len=4 span[method]="POST" +off=4 method complete +off=5 len=32 span[url]="/chunked_w_unicorns_after_length" +off=38 url complete +off=43 len=3 span[version]="1.1" +off=46 version complete +off=48 len=17 span[header_field]="Transfer-Encoding" +off=66 header_field complete +off=67 len=7 span[header_value]="chunked" +off=76 header_value complete +off=78 headers complete method=3 v=1/1 flags=208 content_length=0 +off=80 len=7 span[chunk_extension_name]="ilovew3" +off=88 chunk_extension_name complete +off=88 len=5 span[chunk_extension_value]=""abc"" +off=93 chunk_extension_value complete +off=94 len=10 span[chunk_extension_name]="somuchlove" +off=105 chunk_extension_name complete +off=105 len=9 span[chunk_extension_value]=""def; ghi" +off=115 error code=2 reason="Invalid character in chunk extensions quoted value" +``` + +## Ignoring `pigeons` + +Requests cannot have invalid `Transfer-Encoding`. It is impossible to determine +their body size. Not erroring would make HTTP smuggling attacks possible. + +<!-- meta={"type": "request", "noScan": true} --> +```http +PUT /url HTTP/1.1 +Transfer-Encoding: pigeons + + +``` + +```log +off=0 message begin +off=0 len=3 span[method]="PUT" +off=3 method complete +off=4 len=4 span[url]="/url" +off=9 url complete +off=14 len=3 span[version]="1.1" +off=17 version complete +off=19 len=17 span[header_field]="Transfer-Encoding" +off=37 header_field complete +off=38 len=7 span[header_value]="pigeons" +off=47 header_value complete +off=49 headers complete method=4 v=1/1 flags=200 content_length=0 +off=49 error code=15 reason="Request has invalid `Transfer-Encoding`" +``` + +## POST with `Transfer-Encoding` and `Content-Length` + +<!-- meta={"type": "request"} --> +```http +POST /post_identity_body_world?q=search#hey HTTP/1.1 +Accept: */* +Transfer-Encoding: identity +Content-Length: 5 + +World +``` + +```log +off=0 message begin +off=0 len=4 span[method]="POST" +off=4 method complete +off=5 len=38 span[url]="/post_identity_body_world?q=search#hey" +off=44 url complete +off=49 len=3 span[version]="1.1" +off=52 version complete +off=54 len=6 span[header_field]="Accept" +off=61 header_field complete +off=62 len=3 span[header_value]="*/*" +off=67 header_value complete +off=67 len=17 span[header_field]="Transfer-Encoding" +off=85 header_field complete +off=86 len=8 span[header_value]="identity" +off=96 header_value complete +off=96 len=14 span[header_field]="Content-Length" +off=111 header_field complete +off=112 len=1 span[header_value]="5" +off=115 header_value complete +off=117 error code=4 reason="Content-Length can't be present with Transfer-Encoding" +``` + +## POST with `Transfer-Encoding` and `Content-Length` (lenient) + +TODO(indutny): should we allow it even in lenient mode? (Consider disabling +this). + +NOTE: `Content-Length` is ignored when `Transfer-Encoding` is present. Messages +(in lenient mode) are read until EOF. + +<!-- meta={"type": "request-lenient-chunked-length"} --> +```http +POST /post_identity_body_world?q=search#hey HTTP/1.1 +Accept: */* +Transfer-Encoding: identity +Content-Length: 1 + +World +``` + +```log +off=0 message begin +off=0 len=4 span[method]="POST" +off=4 method complete +off=5 len=38 span[url]="/post_identity_body_world?q=search#hey" +off=44 url complete +off=49 len=3 span[version]="1.1" +off=52 version complete +off=54 len=6 span[header_field]="Accept" +off=61 header_field complete +off=62 len=3 span[header_value]="*/*" +off=67 header_value complete +off=67 len=17 span[header_field]="Transfer-Encoding" +off=85 header_field complete +off=86 len=8 span[header_value]="identity" +off=96 header_value complete +off=96 len=14 span[header_field]="Content-Length" +off=111 header_field complete +off=112 len=1 span[header_value]="1" +off=115 header_value complete +off=117 headers complete method=3 v=1/1 flags=220 content_length=1 +off=117 len=5 span[body]="World" +``` + +## POST with `chunked` before other transfer coding names + +<!-- meta={"type": "request", "noScan": true} --> +```http +POST /post_identity_body_world?q=search#hey HTTP/1.1 +Accept: */* +Transfer-Encoding: chunked, deflate + +World +``` + +```log +off=0 message begin +off=0 len=4 span[method]="POST" +off=4 method complete +off=5 len=38 span[url]="/post_identity_body_world?q=search#hey" +off=44 url complete +off=49 len=3 span[version]="1.1" +off=52 version complete +off=54 len=6 span[header_field]="Accept" +off=61 header_field complete +off=62 len=3 span[header_value]="*/*" +off=67 header_value complete +off=67 len=17 span[header_field]="Transfer-Encoding" +off=85 header_field complete +off=86 len=7 span[header_value]="chunked" +off=94 error code=15 reason="Invalid `Transfer-Encoding` header value" +``` + +## POST with `chunked` and duplicate transfer-encoding + +<!-- meta={"type": "request", "noScan": true} --> +```http +POST /post_identity_body_world?q=search#hey HTTP/1.1 +Accept: */* +Transfer-Encoding: chunked +Transfer-Encoding: deflate + +World +``` + +```log +off=0 message begin +off=0 len=4 span[method]="POST" +off=4 method complete +off=5 len=38 span[url]="/post_identity_body_world?q=search#hey" +off=44 url complete +off=49 len=3 span[version]="1.1" +off=52 version complete +off=54 len=6 span[header_field]="Accept" +off=61 header_field complete +off=62 len=3 span[header_value]="*/*" +off=67 header_value complete +off=67 len=17 span[header_field]="Transfer-Encoding" +off=85 header_field complete +off=86 len=7 span[header_value]="chunked" +off=95 header_value complete +off=95 len=17 span[header_field]="Transfer-Encoding" +off=113 header_field complete +off=114 len=0 span[header_value]="" +off=115 error code=15 reason="Invalid `Transfer-Encoding` header value" +``` + +## POST with `chunked` before other transfer-coding (lenient) + +<!-- meta={"type": "request-lenient-transfer-encoding"} --> +```http +POST /post_identity_body_world?q=search#hey HTTP/1.1 +Accept: */* +Transfer-Encoding: chunked, deflate + +World +``` + +```log +off=0 message begin +off=0 len=4 span[method]="POST" +off=4 method complete +off=5 len=38 span[url]="/post_identity_body_world?q=search#hey" +off=44 url complete +off=49 len=3 span[version]="1.1" +off=52 version complete +off=54 len=6 span[header_field]="Accept" +off=61 header_field complete +off=62 len=3 span[header_value]="*/*" +off=67 header_value complete +off=67 len=17 span[header_field]="Transfer-Encoding" +off=85 header_field complete +off=86 len=16 span[header_value]="chunked, deflate" +off=104 header_value complete +off=106 headers complete method=3 v=1/1 flags=200 content_length=0 +off=106 len=5 span[body]="World" +``` + +## POST with `chunked` and duplicate transfer-encoding (lenient) + +<!-- meta={"type": "request-lenient-transfer-encoding"} --> +```http +POST /post_identity_body_world?q=search#hey HTTP/1.1 +Accept: */* +Transfer-Encoding: chunked +Transfer-Encoding: deflate + +World +``` + +```log +off=0 message begin +off=0 len=4 span[method]="POST" +off=4 method complete +off=5 len=38 span[url]="/post_identity_body_world?q=search#hey" +off=44 url complete +off=49 len=3 span[version]="1.1" +off=52 version complete +off=54 len=6 span[header_field]="Accept" +off=61 header_field complete +off=62 len=3 span[header_value]="*/*" +off=67 header_value complete +off=67 len=17 span[header_field]="Transfer-Encoding" +off=85 header_field complete +off=86 len=7 span[header_value]="chunked" +off=95 header_value complete +off=95 len=17 span[header_field]="Transfer-Encoding" +off=113 header_field complete +off=114 len=7 span[header_value]="deflate" +off=123 header_value complete +off=125 headers complete method=3 v=1/1 flags=200 content_length=0 +off=125 len=5 span[body]="World" +``` + +## POST with `chunked` as last transfer-encoding + +<!-- meta={"type": "request"} --> +```http +POST /post_identity_body_world?q=search#hey HTTP/1.1 +Accept: */* +Transfer-Encoding: deflate, chunked + +5 +World +0 + + +``` + +```log +off=0 message begin +off=0 len=4 span[method]="POST" +off=4 method complete +off=5 len=38 span[url]="/post_identity_body_world?q=search#hey" +off=44 url complete +off=49 len=3 span[version]="1.1" +off=52 version complete +off=54 len=6 span[header_field]="Accept" +off=61 header_field complete +off=62 len=3 span[header_value]="*/*" +off=67 header_value complete +off=67 len=17 span[header_field]="Transfer-Encoding" +off=85 header_field complete +off=86 len=16 span[header_value]="deflate, chunked" +off=104 header_value complete +off=106 headers complete method=3 v=1/1 flags=208 content_length=0 +off=109 chunk header len=5 +off=109 len=5 span[body]="World" +off=116 chunk complete +off=119 chunk header len=0 +off=121 chunk complete +off=121 message complete +``` + +## POST with `chunked` as last transfer-encoding (multiple headers) + +<!-- meta={"type": "request"} --> +```http +POST /post_identity_body_world?q=search#hey HTTP/1.1 +Accept: */* +Transfer-Encoding: deflate +Transfer-Encoding: chunked + +5 +World +0 + + +``` + +```log +off=0 message begin +off=0 len=4 span[method]="POST" +off=4 method complete +off=5 len=38 span[url]="/post_identity_body_world?q=search#hey" +off=44 url complete +off=49 len=3 span[version]="1.1" +off=52 version complete +off=54 len=6 span[header_field]="Accept" +off=61 header_field complete +off=62 len=3 span[header_value]="*/*" +off=67 header_value complete +off=67 len=17 span[header_field]="Transfer-Encoding" +off=85 header_field complete +off=86 len=7 span[header_value]="deflate" +off=95 header_value complete +off=95 len=17 span[header_field]="Transfer-Encoding" +off=113 header_field complete +off=114 len=7 span[header_value]="chunked" +off=123 header_value complete +off=125 headers complete method=3 v=1/1 flags=208 content_length=0 +off=128 chunk header len=5 +off=128 len=5 span[body]="World" +off=135 chunk complete +off=138 chunk header len=0 +off=140 chunk complete +off=140 message complete +``` + +## POST with `chunkedchunked` as transfer-encoding + +<!-- meta={"type": "request"} --> +```http +POST /post_identity_body_world?q=search#hey HTTP/1.1 +Accept: */* +Transfer-Encoding: chunkedchunked + +5 +World +0 + + +``` + +```log +off=0 message begin +off=0 len=4 span[method]="POST" +off=4 method complete +off=5 len=38 span[url]="/post_identity_body_world?q=search#hey" +off=44 url complete +off=49 len=3 span[version]="1.1" +off=52 version complete +off=54 len=6 span[header_field]="Accept" +off=61 header_field complete +off=62 len=3 span[header_value]="*/*" +off=67 header_value complete +off=67 len=17 span[header_field]="Transfer-Encoding" +off=85 header_field complete +off=86 len=14 span[header_value]="chunkedchunked" +off=102 header_value complete +off=104 headers complete method=3 v=1/1 flags=200 content_length=0 +off=104 error code=15 reason="Request has invalid `Transfer-Encoding`" +``` + +## Missing last-chunk + +<!-- meta={"type": "request"} --> +```http +PUT /url HTTP/1.1 +Transfer-Encoding: chunked + +3 +foo + + +``` + +```log +off=0 message begin +off=0 len=3 span[method]="PUT" +off=3 method complete +off=4 len=4 span[url]="/url" +off=9 url complete +off=14 len=3 span[version]="1.1" +off=17 version complete +off=19 len=17 span[header_field]="Transfer-Encoding" +off=37 header_field complete +off=38 len=7 span[header_value]="chunked" +off=47 header_value complete +off=49 headers complete method=4 v=1/1 flags=208 content_length=0 +off=52 chunk header len=3 +off=52 len=3 span[body]="foo" +off=57 chunk complete +off=57 error code=12 reason="Invalid character in chunk size" +``` + +## Validate chunk parameters + +<!-- meta={"type": "request", "mode": "strict"} --> +```http +PUT /url HTTP/1.1 +Transfer-Encoding: chunked + +3 \n \r\n\ +foo + + +``` + +```log +off=0 message begin +off=0 len=3 span[method]="PUT" +off=3 method complete +off=4 len=4 span[url]="/url" +off=9 url complete +off=14 len=3 span[version]="1.1" +off=17 version complete +off=19 len=17 span[header_field]="Transfer-Encoding" +off=37 header_field complete +off=38 len=7 span[header_value]="chunked" +off=47 header_value complete +off=49 headers complete method=4 v=1/1 flags=208 content_length=0 +off=50 error code=12 reason="Invalid character in chunk size" +``` + +## Invalid OBS fold after chunked value + +<!-- meta={"type": "request", "mode": "strict"} --> +```http +PUT /url HTTP/1.1 +Transfer-Encoding: chunked + abc + +5 +World +0 + + +``` + +```log +off=0 message begin +off=0 len=3 span[method]="PUT" +off=3 method complete +off=4 len=4 span[url]="/url" +off=9 url complete +off=14 len=3 span[version]="1.1" +off=17 version complete +off=19 len=17 span[header_field]="Transfer-Encoding" +off=37 header_field complete +off=38 len=7 span[header_value]="chunked" +off=47 len=5 span[header_value]=" abc" +off=54 header_value complete +off=56 headers complete method=4 v=1/1 flags=200 content_length=0 +off=56 error code=15 reason="Request has invalid `Transfer-Encoding`" +``` |