From: Eric Covener <covener@apache.org>
Date: Fri, 10 Feb 2017 15:25:25 +0000 (+0000)
Subject: support unsetting vars
X-Git-Tag: 2.5.0-alpha~676
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=94167768e75a7422732ef19c039511383adf8960;p=apache

support unsetting vars



git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@1782482 13f79535-47bb-0310-9956-ffa450edef68
---

diff --git a/modules/proxy/mod_proxy_fcgi.c b/modules/proxy/mod_proxy_fcgi.c
index bddb03e6a7..fa57e2ad8a 100644
--- a/modules/proxy/mod_proxy_fcgi.c
+++ b/modules/proxy/mod_proxy_fcgi.c
@@ -189,7 +189,12 @@ static void fix_cgivars(request_rec *r, fcgi_dirconf_t *dconf)
                               entry->envname, oldval, val);
 
             }
-            apr_table_setn(r->subprocess_env, entry->envname, val);
+            if (entry->envname[0] == '!') { 
+                apr_table_unset(r->subprocess_env, entry->envname+1);
+            }
+            else { 
+                apr_table_setn(r->subprocess_env, entry->envname, val);
+            }
         }
         else {
             ap_log_rerror(APLOG_MARK, APLOG_TRACE8, 0, r, "fix_cgivars: Condition returned %d", rc);