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MHD_queue_response(): refuse 1xx codes in HTTP/1.0 mode

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See https://datatracker.ietf.org/doc/html/rfc7231#section-6.2
This commit is contained in:
Evgeny Grin (Karlson2k)
2021-06-13 20:45:46 +03:00
parent bbbcf4838a
commit a60173864e
1 changed files with 33 additions and 6 deletions
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src/microhttpd/connection.c
+33 -6
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@@ -4247,12 +4247,6 @@ MHD_queue_response (struct MHD_Connection *connection,
{
struct MHD_Daemon *daemon;
if ( (NULL == connection) ||
(NULL == response) ||
(NULL != connection->response) ||
( (MHD_CONNECTION_HEADERS_PROCESSED != connection->state) &&
(MHD_CONNECTION_FOOTERS_RECEIVED != connection->state) ) )
return MHD_NO;
daemon = connection->daemon;
if (daemon->shutdown)
@@ -4271,6 +4265,14 @@ MHD_queue_response (struct MHD_Connection *connection,
return MHD_NO;
}
#endif
if ( (NULL == connection) ||
(NULL == response) ||
(NULL != connection->response) ||
( (MHD_CONNECTION_HEADERS_PROCESSED != connection->state) &&
(MHD_CONNECTION_FOOTERS_RECEIVED != connection->state) ) )
return MHD_NO;
#ifdef UPGRADE_SUPPORT
if ( (NULL != response->upgrade_handler) &&
(0 == (daemon->options & MHD_ALLOW_UPGRADE)) )
@@ -4304,6 +4306,31 @@ MHD_queue_response (struct MHD_Connection *connection,
#endif
return MHD_NO;
}
if (200 > (status_code & (~MHD_ICY_FLAG)))
{
if (MHD_HTTP_VER_1_0 == connection->http_ver)
{
#ifdef HAVE_MESSAGES
MHD_DLOG (daemon,
_ ("Wrong status code (%u) refused. " \
"HTTP/1.0 clients do not support 1xx status codes!\n"),
(status_code & (~MHD_ICY_FLAG)));
#endif
return MHD_NO;
}
if (0 != response->flags & (MHD_RF_HTTP_VERSION_1_0_ONLY
| MHD_RF_HTTP_VERSION_1_0_RESPONSE))
{
#ifdef HAVE_MESSAGES
MHD_DLOG (daemon,
_ ("Wrong status code (%u) refused. " \
"HTTP/1.0 reply mode does not support 1xx status codes!\n"),
(status_code & (~MHD_ICY_FLAG)));
#endif
return MHD_NO;
}
}
MHD_increment_response_rc (response);
connection->response = response;
connection->responseCode = status_code;