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Posted to cvs@httpd.apache.org by yl...@apache.org on 2019/02/13 16:53:50 UTC

svn commit: r1853518 - /httpd/httpd/trunk/modules/proxy/mod_proxy_http.c

Author: ylavic
Date: Wed Feb 13 16:53:50 2019
New Revision: 1853518

URL: http://svn.apache.org/viewvc?rev=1853518&view=rev
Log:
mod_proxy_http: follow up to r1853409.

Don't send two final 0-size chunks when the last read brigade is a single EOS.

Modified:
    httpd/httpd/trunk/modules/proxy/mod_proxy_http.c

Modified: httpd/httpd/trunk/modules/proxy/mod_proxy_http.c
URL: http://svn.apache.org/viewvc/httpd/httpd/trunk/modules/proxy/mod_proxy_http.c?rev=1853518&r1=1853517&r2=1853518&view=diff
==============================================================================
--- httpd/httpd/trunk/modules/proxy/mod_proxy_http.c (original)
+++ httpd/httpd/trunk/modules/proxy/mod_proxy_http.c Wed Feb 13 16:53:50 2019
@@ -336,20 +336,32 @@ static int stream_reqbody_chunked(proxy_
             }
 
             apr_brigade_length(input_brigade, 1, &bytes);
-            hdr_len = apr_snprintf(chunk_hdr, sizeof(chunk_hdr),
-                                   "%" APR_UINT64_T_HEX_FMT CRLF,
-                                   (apr_uint64_t)bytes);
+            if (bytes) {
+                hdr_len = apr_snprintf(chunk_hdr, sizeof(chunk_hdr),
+                                       "%" APR_UINT64_T_HEX_FMT CRLF,
+                                       (apr_uint64_t)bytes);
+                ap_xlate_proto_to_ascii(chunk_hdr, hdr_len);
+                e = apr_bucket_transient_create(chunk_hdr, hdr_len,
+                                                bucket_alloc);
+                APR_BRIGADE_INSERT_HEAD(input_brigade, e);
 
-            ap_xlate_proto_to_ascii(chunk_hdr, hdr_len);
-            e = apr_bucket_transient_create(chunk_hdr, hdr_len,
-                                            bucket_alloc);
-            APR_BRIGADE_INSERT_HEAD(input_brigade, e);
-
-            /*
-             * Append the end-of-chunk CRLF
-             */
-            e = apr_bucket_immortal_create(CRLF_ASCII, 2, bucket_alloc);
-            APR_BRIGADE_INSERT_TAIL(input_brigade, e);
+                /*
+                 * Append the end-of-chunk CRLF
+                 */
+                e = apr_bucket_immortal_create(CRLF_ASCII, 2, bucket_alloc);
+                APR_BRIGADE_INSERT_TAIL(input_brigade, e);
+            }
+            else if (APR_BRIGADE_EMPTY(header_brigade)) {
+                if (!seen_eos) {
+                    /* Metadata only (shouldn't happen), read more */
+                    apr_brigade_cleanup(input_brigade);
+                    continue;
+                }
+                /* At EOS, we are done since the trailing 0-size is handled
+                 * outside this loop.
+                 */
+                break;
+            }
         }
 
         /* If we never sent the header brigade, so go ahead and