Mercurial > hg > nginx

diff src/core/ngx_resolver.c @ 4287:7740d2a8d55b stable-1.0

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Merge of r4268: Fixed compression pointer processing in DNS response greater than 255 bytes. Thanks to Ben Hawkes.
author Igor Sysoev <igor@sysoev.ru>
date Mon, 14 Nov 2011 16:12:25 +0000
parents 159b58f9c0bd
children 4919fb357a5d
line wrap: on
line diff
--- a/src/core/ngx_resolver.c
+++ b/src/core/ngx_resolver.c
@@ -1922,7 +1922,13 @@ done:
     n = *src++;
 
     for ( ;; ) {
-        if (n != 0xc0) {
+        if (n & 0xc0) {
+            n = ((n & 0x3f) << 8) + *src;
+            src = &buf[n];
+
+            n = *src++;
+
+        } else {
             ngx_memcpy(dst, src, n);
             dst += n;
             src += n;
@@ -1932,12 +1938,6 @@ done:
             if (n != 0) {
                 *dst++ = '.';
             }
-
-        } else {
-            n = ((n & 0x3f) << 8) + *src;
-            src = &buf[n];
-
-            n = *src++;
         }
 
         if (n == 0) {