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diff src/stream/ngx_stream_proxy_module.c @ 7665:d127837c714f

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Stream: fixed processing of zero length UDP packets (ticket #1982).
author Vladimir Homutov <vl@nginx.com>
date Mon, 08 Jun 2020 11:40:34 +0300
parents 16a1adadf437
children fd0b2226919b
line wrap: on
line diff
--- a/src/stream/ngx_stream_proxy_module.c
+++ b/src/stream/ngx_stream_proxy_module.c
@@ -839,7 +839,7 @@ ngx_stream_proxy_init_upstream(ngx_strea
         u->upstream_buf.last = p;
     }
 
-    if (c->buffer && c->buffer->pos < c->buffer->last) {
+    if (c->buffer && c->buffer->pos <= c->buffer->last) {
         ngx_log_debug1(NGX_LOG_DEBUG_STREAM, c->log, 0,
                        "stream proxy add preread buffer: %uz",
                        c->buffer->last - c->buffer->pos);
@@ -853,6 +853,7 @@ ngx_stream_proxy_init_upstream(ngx_strea
         *cl->buf = *c->buffer;
 
         cl->buf->tag = (ngx_buf_tag_t) &ngx_stream_proxy_module;
+        cl->buf->temporary = (cl->buf->pos == cl->buf->last) ? 0 : 1;
         cl->buf->flush = 1;
 
         cl->next = u->upstream_out;