Ticket #37: patch-nginx-ssl-config.txt

# HG changeset patch
# User Maxim Dounin <mdounin@mdounin.ru>
# Date 1319127783 -14400
# Node ID 05c5674bee96db3fcf5d3ed0f73f58afc6d7f68a
# Parent  84010faa17f890a2c858bf6ac23e281679eb15f7
Fixed segfault on configuration testing with ssl (ticket #37).

The following config caused segmentation fault due to conf->file not
being properly set if "ssl on" was inherited from the http level:

http {
    ssl on;
    server {
    }
}

diff --git a/src/http/modules/ngx_http_ssl_module.c b/src/http/modules/ngx_http_ssl_module.c
--- a/src/http/modules/ngx_http_ssl_module.c
+++ b/src/http/modules/ngx_http_ssl_module.c
@@ -346,7 +346,16 @@ ngx_http_ssl_merge_srv_conf(ngx_conf_t *
 
     ngx_pool_cleanup_t  *cln;
 
-    ngx_conf_merge_value(conf->enable, prev->enable, 0);
+    if (conf->enable == NGX_CONF_UNSET) {
+        if (prev->enable == NGX_CONF_UNSET) {
+            conf->enable = 0;
+
+        } else {
+            conf->enable = prev->enable;
+            conf->file = prev->file;
+            conf->line = prev->line;
+        }
+    }
 
     ngx_conf_merge_value(conf->session_timeout,
                          prev->session_timeout, 300);