[libmicrohttpd] 06/07: reply: warn if manual "Content-Length" is used when this header is not allowed

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karlson2k pushed a commit to branch master
in repository libmicrohttpd.

commit 56a7664a729419a08ae3223a48ef0fad1cca4369
Author: Evgeny Grin (Karlson2k) <k2k@narod.ru>
AuthorDate: Mon Mar 7 21:27:58 2022 +0300

    reply: warn if manual "Content-Length" is used when this header is not 
allowed
---
 src/microhttpd/connection.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/src/microhttpd/connection.c b/src/microhttpd/connection.c
index 88b1f21d..def03b68 100644
--- a/src/microhttpd/connection.c
+++ b/src/microhttpd/connection.c
@@ -1833,6 +1833,15 @@ check_connection_reply (struct MHD_Connection 
*connection)
                  "Non-empty response body is ignored and not used.\n"),
               (unsigned) (c->responseCode & (~MHD_ICY_FLAG)));
   }
+  if ( (! c->rp_props.use_reply_body_headers) &&
+       (0 != (r->flags_auto & MHD_RAF_HAS_CONTENT_LENGTH)) )
+  {
+    MHD_DLOG (c->daemon,
+              _ ("This reply with response code %u cannot use reply body. "
+                 "Application defined \"Content-Length\" header violates"
+                 "HTTP specification.\n"),
+              (unsigned) (c->responseCode & (~MHD_ICY_FLAG)));
+  }
 #else
   (void) c; /* Mute compiler warning */
   (void) r; /* Mute compiler warning */

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