Author: vbart
Date: 2013-02-27 17:33:59 +0000 (Wed, 27 Feb 2013)
New Revision: 5094
URL: http://trac.nginx.org/nginx/changeset/5094/nginx

Log:
SNI: avoid surplus lookup of virtual server if SNI was used.


Modified:
trunk/src/http/ngx_http_request.c
trunk/src/http/ngx_http_request.h

Modified: trunk/src/http/ngx_http_request.c
===================================================================
--- trunk/src/http/ngx_http_request.c 2013-02-27 17:27:15 UTC (rev 5093)
+++ trunk/src/http/ngx_http_request.c 2013-02-27 17:33:59 UTC (rev 5094)
@@ -693,6 +693,13 @@
return SSL_TLSEXT_ERR_NOACK;
}

+ hc->ssl_servername = ngx_palloc(c->pool, sizeof(ngx_str_t));
+ if (hc->ssl_servername == NULL) {
+ return SSL_TLSEXT_ERR_NOACK;
+ }
+
+ *hc->ssl_servername = host;
+
hc->conf_ctx = cscf->ctx;

clcf = ngx_http_get_module_loc_conf(hc->conf_ctx, ngx_http_core_module);
@@ -1831,6 +1838,28 @@

hc = r->http_connection;

+#ifdef SSL_CTRL_SET_TLSEXT_HOSTNAME
+
+ if (hc->ssl_servername) {
+ if (hc->ssl_servername->len == host->len
+ && ngx_strncmp(hc->ssl_servername->data,
+ host->data, host->len) == 0)
+ {
+#if (NGX_PCRE)
+ if (hc->ssl_servername_regex
+ && ngx_http_regex_exec(r, hc->ssl_servername_regex,
+ hc->ssl_servername) != NGX_OK)
+ {
+ ngx_http_close_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);
+ return NGX_ERROR;
+ }
+#endif
+ return NGX_OK;
+ }
+ }
+
+#endif
+
rc = ngx_http_find_virtual_server(r->connection,
hc->addr_conf->virtual_names,
host, r, &cscf);
@@ -1887,6 +1916,8 @@
#ifdef SSL_CTRL_SET_TLSEXT_HOSTNAME

if (r == NULL) {
+ ngx_http_connection_t *hc;
+
for (i = 0; i < virtual_names->nregex; i++) {

n = ngx_regex_exec(sn[i].regex->regex, host, NULL, 0);
@@ -1896,6 +1927,9 @@
}

if (n >= 0) {
+ hc = c->data;
+ hc->ssl_servername_regex = sn[i].regex;
+
*cscfp = sn[i].server;
return NGX_OK;
}

Modified: trunk/src/http/ngx_http_request.h
===================================================================
--- trunk/src/http/ngx_http_request.h 2013-02-27 17:27:15 UTC (rev 5093)
+++ trunk/src/http/ngx_http_request.h 2013-02-27 17:33:59 UTC (rev 5094)
@@ -295,6 +295,13 @@
ngx_http_addr_conf_t *addr_conf;
ngx_http_conf_ctx_t *conf_ctx;

+#ifdef SSL_CTRL_SET_TLSEXT_HOSTNAME
+ ngx_str_t *ssl_servername;
+#if (NGX_PCRE)
+ ngx_http_regex_t *ssl_servername_regex;
+#endif
+#endif
+
ngx_http_request_t *request;

ngx_buf_t **busy;

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