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changeset 7626:fe5976aae0e3

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Removed "Transfer-Encoding: identity" support. The "identity" transfer coding has been removed in RFC 7230. It is believed that it is not used in real life, and at the same time it provides a potential attack vector.
author Maxim Dounin <mdounin@mdounin.ru>
date Thu, 20 Feb 2020 16:19:34 +0300
parents aca005d232ff
children 4f18393a1d51
files src/http/ngx_http_request.c
diffstat 1 files changed, 1 insertions(+), 4 deletions(-) [+]
line wrap: on
line diff
--- a/src/http/ngx_http_request.c
+++ b/src/http/ngx_http_request.c
@@ -1952,10 +1952,7 @@ ngx_http_process_request_header(ngx_http
             r->headers_in.content_length_n = -1;
             r->headers_in.chunked = 1;
 
-        } else if (r->headers_in.transfer_encoding->value.len != 8
-            || ngx_strncasecmp(r->headers_in.transfer_encoding->value.data,
-                               (u_char *) "identity", 8) != 0)
-        {
+        } else {
             ngx_log_error(NGX_LOG_INFO, r->connection->log, 0,
                           "client sent unknown \"Transfer-Encoding\": \"%V\"",
                           &r->headers_in.transfer_encoding->value);