https://issues.apache.org/bugzilla/show_bug.cgi?id=49167
Summary: HTTP_IN filter confusing error with timeout on
chunk-length
Product: Apache httpd-2
Version: 2.3-HEAD
Platform: PC
OS/Version: Linux
Status: NEW
Severity: normal
Priority: P2
Component: Core
AssignedTo: [email protected]
ReportedBy: [email protected]
When there's a timeout reading the very first chunk length, Apache returns a
413 error response. This might be better as a 400 or 408.
When there's a timeout reading any other chunk length, Apache returns a
concatenation of the 413 and 400 error response due to the HTTP_IN filter
adding a 413 error response then returning APR_TIMEUP from the filter.
I haven't looked at what this means to the proxies usage of HTTP_IN, but since
all the current ones are already a misleading 4xx maybe a change to 400 or 408
wouldn't do much harm.
I'm attaching a patch to illustrate where the issue manifests but it's just for
illustration purposes. My requests are e.g.:
printf "POST / HTTP/1.1\r\nHost: foo\r\nTransfer-Encoding: chunked\r\n\r\n" |
nc 0 80
printf "POST / HTTP/1.1\r\nHost: foo\r\nTransfer-Encoding:
chunked\r\n\r\n4\r\nabcd\r\n" | nc 0 80
(2.2.x returns a pair of 413s instead of a 413 and a 400 for the later chunks)
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