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diff src/http/v3/ngx_http_v3_module.c @ 7949:032cb35ce758 quic

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HTTP/3: http3_max_field_size directive to limit string size. Client streams may send literal strings which are now limited in size by the new directive. The default value is 4096. The directive is similar to HTTP/2 directive http2_max_field_size.
author Roman Arutyunyan <arut@nginx.com>
date Mon, 29 Jun 2020 15:56:14 +0300
parents 6633f17044eb
children c9538aef3211
line wrap: on
line diff
--- a/src/http/v3/ngx_http_v3_module.c
+++ b/src/http/v3/ngx_http_v3_module.c
@@ -118,6 +118,13 @@ static ngx_command_t  ngx_http_v3_comman
       offsetof(ngx_http_v3_srv_conf_t, quic.retry),
       NULL },
 
+    { ngx_string("http3_max_field_size"),
+      NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_TAKE1,
+      ngx_conf_set_size_slot,
+      NGX_HTTP_SRV_CONF_OFFSET,
+      offsetof(ngx_http_v3_srv_conf_t, max_field_size),
+      NULL },
+
       ngx_null_command
 };
 
@@ -268,6 +275,8 @@ ngx_http_v3_create_srv_conf(ngx_conf_t *
 
     v3cf->quic.retry = NGX_CONF_UNSET;
 
+    v3cf->max_field_size = NGX_CONF_UNSET_SIZE;
+
     return v3cf;
 }
 
@@ -329,6 +338,9 @@ ngx_http_v3_merge_srv_conf(ngx_conf_t *c
         }
     }
 
+    ngx_conf_merge_size_value(conf->max_field_size,
+                              prev->max_field_size,
+                              NGX_HTTP_V3_DEFAULT_MAX_FIELD_SIZE);
 
     return NGX_CONF_OK;
 }