diff src/stream/ngx_stream_proxy_module.c @ 8099:17d6a537fb1b

Increased maximum read PROXY protocol header size. Maximum size for reading the PROXY protocol header is increased to 4096 to accommodate a bigger number of TLVs, which are supported since cca4c8a715de. Maximum size for writing the PROXY protocol header is not changed since only version 1 is currently supported.
author Roman Arutyunyan <arut@nginx.com>
date Wed, 02 Nov 2022 13:46:16 +0400
parents 9d98d524bd02
children 06c7d84cafdb
line wrap: on
line diff
--- a/src/stream/ngx_stream_proxy_module.c
+++ b/src/stream/ngx_stream_proxy_module.c
@@ -894,7 +894,7 @@ ngx_stream_proxy_init_upstream(ngx_strea
             return;
         }
 
-        p = ngx_pnalloc(c->pool, NGX_PROXY_PROTOCOL_MAX_HEADER);
+        p = ngx_pnalloc(c->pool, NGX_PROXY_PROTOCOL_V1_MAX_HEADER);
         if (p == NULL) {
             ngx_stream_proxy_finalize(s, NGX_STREAM_INTERNAL_SERVER_ERROR);
             return;
@@ -902,7 +902,8 @@ ngx_stream_proxy_init_upstream(ngx_strea
 
         cl->buf->pos = p;
 
-        p = ngx_proxy_protocol_write(c, p, p + NGX_PROXY_PROTOCOL_MAX_HEADER);
+        p = ngx_proxy_protocol_write(c, p,
+                                     p + NGX_PROXY_PROTOCOL_V1_MAX_HEADER);
         if (p == NULL) {
             ngx_stream_proxy_finalize(s, NGX_STREAM_INTERNAL_SERVER_ERROR);
             return;
@@ -946,14 +947,15 @@ ngx_stream_proxy_send_proxy_protocol(ngx
     ngx_connection_t             *c, *pc;
     ngx_stream_upstream_t        *u;
     ngx_stream_proxy_srv_conf_t  *pscf;
-    u_char                        buf[NGX_PROXY_PROTOCOL_MAX_HEADER];
+    u_char                        buf[NGX_PROXY_PROTOCOL_V1_MAX_HEADER];
 
     c = s->connection;
 
     ngx_log_debug0(NGX_LOG_DEBUG_STREAM, c->log, 0,
                    "stream proxy send PROXY protocol header");
 
-    p = ngx_proxy_protocol_write(c, buf, buf + NGX_PROXY_PROTOCOL_MAX_HEADER);
+    p = ngx_proxy_protocol_write(c, buf,
+                                 buf + NGX_PROXY_PROTOCOL_V1_MAX_HEADER);
     if (p == NULL) {
         ngx_stream_proxy_finalize(s, NGX_STREAM_INTERNAL_SERVER_ERROR);
         return NGX_ERROR;