According to RFC 7231 4.3.7, OPTIONS may have body. "Although this
authorreyk <reyk@openbsd.org>
Wed, 27 Jul 2016 11:02:41 +0000 (11:02 +0000)
committerreyk <reyk@openbsd.org>
Wed, 27 Jul 2016 11:02:41 +0000 (11:02 +0000)
commit986dfe8a680866880d2664bab1dff2b7052b5f0b
treeef807852faa3ccb467be57473ca6597e9e225390
parentc9822c566a2e2077c872b465772a179d1c6dae10
According to RFC 7231 4.3.7, OPTIONS may have body. "Although this
specification does not define any use for such a payload, future
extensions to HTTP might use the OPTIONS body to make more detailed
queries about the target resource." The future has arrived.

Found and tested by Michael Lechtermann
OK benno@
usr.sbin/httpd/server_http.c
usr.sbin/relayd/relay_http.c