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changeset 7217:8b70d4caa505

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Generate error for unsupported IPv6 transparent proxy. On some platforms (for example, Linux with glibc 2.12-2.25) IPv4 transparent proxying is available, but IPv6 transparent proxying is not. The entire feature is enabled in this case and NGX_HAVE_TRANSPARENT_PROXY macro is set to 1. Previously, an attempt to enable transparency for an IPv6 socket was silently ignored in this case and was usually followed by a bind(2) EADDRNOTAVAIL error (ticket #1487). Now the error is generated for unavailable IPv6 transparent proxy.
author Roman Arutyunyan <arut@nginx.com>
date Thu, 22 Feb 2018 13:16:21 +0300
parents aa60f5799a4c
children e48ac0136ee3
files src/event/ngx_event_connect.c
diffstat 1 files changed, 9 insertions(+), 0 deletions(-) [+]
line wrap: on
line diff
--- a/src/event/ngx_event_connect.c
+++ b/src/event/ngx_event_connect.c
@@ -388,7 +388,16 @@ ngx_event_connect_set_transparent(ngx_pe
             return NGX_ERROR;
         }
 
+#else
+
+        ngx_log_error(NGX_LOG_ALERT, pc->log, 0,
+                      "could not enable transparent proxying for IPv6 "
+                      "on this platform");
+
+        return NGX_ERROR;
+
 #endif
+
         break;
 
 #endif /* NGX_HAVE_INET6 */