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authorSebastian Benoit <benno@cvs.openbsd.org>2017-11-27 16:25:51 +0000
committerSebastian Benoit <benno@cvs.openbsd.org>2017-11-27 16:25:51 +0000
commitd33b112de139cdaffd3f35d8e5b71b6fabd00b71 (patch)
tree7dce0c3987070c71ee6acd7127ebc463be287b60 /usr.sbin
parentead35ae95d4fd007e092cb9ab70426f068b7a8be (diff)
rfc 7230 mandates that a "204 No Content" http status must not come with a
Content-Lenght Header. Of course some servers still so it and send Content-Lenght: 0. Adjust accordingly. ok claudio@
Diffstat (limited to 'usr.sbin')
-rw-r--r--usr.sbin/relayd/relay_http.c32
1 files changed, 18 insertions, 14 deletions
diff --git a/usr.sbin/relayd/relay_http.c b/usr.sbin/relayd/relay_http.c
index 847737de47b..cf493f8c887 100644
--- a/usr.sbin/relayd/relay_http.c
+++ b/usr.sbin/relayd/relay_http.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: relay_http.c,v 1.69 2017/11/27 03:19:58 claudio Exp $ */
+/* $OpenBSD: relay_http.c,v 1.70 2017/11/27 16:25:50 benno Exp $ */
/*
* Copyright (c) 2006 - 2016 Reyk Floeter <reyk@openbsd.org>
@@ -328,19 +328,6 @@ relay_read_http(struct bufferevent *bev, void *arg)
goto abort;
}
/*
- * response with a status code of 1xx
- * (Informational) or 204 (No Content) MUST
- * not have a Content-Length (rfc 7230 3.3.3)
- */
- if (desc->http_method == HTTP_METHOD_RESPONSE && (
- ((desc->http_status >= 100 &&
- desc->http_status < 200) ||
- desc->http_status == 204))) {
- relay_abort_http(con, 500,
- "Internal Server Error", 0);
- goto abort;
- }
- /*
* Need to read data from the client after the
* HTTP header.
* XXX What about non-standard clients not using
@@ -352,6 +339,23 @@ relay_read_http(struct bufferevent *bev, void *arg)
relay_abort_http(con, 500, errstr, 0);
goto abort;
}
+ /*
+ * response with a status code of 1xx
+ * (Informational) or 204 (No Content) MUST
+ * not have a Content-Length (rfc 7230 3.3.3)
+ * Instead we check for value != 0 because there are
+ * servers that do not follow the rfc and send
+ * Content-Length: 0.
+ */
+ if (desc->http_method == HTTP_METHOD_RESPONSE && (
+ ((desc->http_status >= 100 &&
+ desc->http_status < 200) ||
+ desc->http_status == 204)) &&
+ cre->toread != 0) {
+ relay_abort_http(con, 502,
+ "Bad Gateway", 0);
+ goto abort;
+ }
}
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