From: Igor Sysoev <igor@sysoev.ru>
Date: Wed, 2 May 2007 08:07:37 +0000 (+0000)
Subject: fix segfault or parsing error in '<!--# if expr="$var = /" -->'
X-Git-Tag: release-0.5.20~11
X-Git-Url: http://www.kaiwu.me/postgresql/commit/?a=commitdiff_plain;h=dbdeafe6a0efed5154a207bcc0431620bed6ac1d;p=nginx.git

fix segfault or parsing error in '<!--# if expr="$var = /" -->'
---

diff --git a/src/http/modules/ngx_http_ssi_filter_module.c b/src/http/modules/ngx_http_ssi_filter_module.c
index 79e89f18a..f16c34736 100644
--- a/src/http/modules/ngx_http_ssi_filter_module.c
+++ b/src/http/modules/ngx_http_ssi_filter_module.c
@@ -2376,7 +2376,7 @@ ngx_http_ssi_if(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ctx,
         p++;
     }
 
-    if (p < last && *p == '/') {
+    if (p < last - 1 && *p == '/') {
         if (*(last - 1) != '/') {
             goto invalid_expression;
         }