From e69ffdaddf10c64c8bf1083d437c54e8fde98795 Mon Sep 17 00:00:00 2001
From: Igor Sysoev <igor@sysoev.ru>
Date: Mon, 16 Nov 2009 15:29:52 +0000
Subject: Changes with nginx 0.7.64                                        16
 Nov 2009

    *) Security: now SSL/TLS renegotiation is disabled.
       Thanks to Maxim Dounin.

    *) Bugfix: nginx sent gzipped responses to clients those do not support
       gzip, if "gzip_static on" and "gzip_vary off"; the bug had appeared
       in 0.7.63.

    *) Bugfix: if names .domain.tld, .sub.domain.tld, and .domain-some.tld
       were defined, then the name .sub.domain.tld was matched by
       .domain.tld.

    *) Bugfix: segmentation fault and infinite looping in resolver.

    *) Bugfix: in resolver.
       Thanks to Artem Bokhan.

    *) Bugfix: resolver cache poisoning.
       Thanks to Matthew Dempsky.

    *) Bugfix: memory leak in resolver.
       Thanks to Matthew Dempsky.
---
 src/core/ngx_string.c | 31 +++++++++++++++++++++++++++++++
 1 file changed, 31 insertions(+)

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

diff --git a/src/core/ngx_string.c b/src/core/ngx_string.c
index c0bcc1d12..3456baa5c 100644
--- a/src/core/ngx_string.c
+++ b/src/core/ngx_string.c
@@ -819,6 +819,37 @@ ngx_memn2cmp(u_char *s1, u_char *s2, size_t n1, size_t n2)
 }
 
 
+ngx_int_t
+ngx_dns_strcmp(u_char *s1, u_char *s2)
+{
+    ngx_uint_t  c1, c2;
+
+    for ( ;; ) {
+        c1 = (ngx_uint_t) *s1++;
+        c2 = (ngx_uint_t) *s2++;
+
+        c1 = (c1 >= 'A' && c1 <= 'Z') ? (c1 | 0x20) : c1;
+        c2 = (c2 >= 'A' && c2 <= 'Z') ? (c2 | 0x20) : c2;
+
+        if (c1 == c2) {
+
+            if (c1) {
+                continue;
+            }
+
+            return 0;
+        }
+
+        /* in ASCII '.' > '-', but we need '.' to be the lowest character */
+
+        c1 = (c1 == '.') ? ' ' : c1;
+        c2 = (c2 == '.') ? ' ' : c2;
+
+        return c1 - c2;
+    }
+}
+
+
 ngx_int_t
 ngx_atoi(u_char *line, size_t n)
 {
-- 
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