From 845f6d553a48a74f12e9b80b7824d59da257bc82 Mon Sep 17 00:00:00 2001
From: Igor Sysoev <igor@sysoev.ru>
Date: Fri, 10 Aug 2007 13:13:28 +0000
Subject: ignore meaningless bits in CIDR and warn about them

---
 src/core/ngx_inet.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

(limited to 'src/core/ngx_inet.c')

diff --git a/src/core/ngx_inet.c b/src/core/ngx_inet.c
index de4cae280..31094ba59 100644
--- a/src/core/ngx_inet.c
+++ b/src/core/ngx_inet.c
@@ -214,7 +214,13 @@ ngx_ptocidr(ngx_str_t *text, void *cidr)
 
     in_cidr->mask = htonl((ngx_uint_t) (0 - (1 << (32 - m))));
 
-    return NGX_OK;
+    if (in_cidr->addr == (in_cidr->addr & in_cidr->mask)) {
+        return NGX_OK;
+    }
+
+    in_cidr->addr &= in_cidr->mask;
+
+    return NGX_DONE;
 }
 
 
-- 
cgit