feature: add ngx_stream_lua_ffi_get_upstream_ssl_pointer.

Author: zhuizhuhaomeng

src/ngx_stream_lua_ssl.c

@@ -20,6 +20,8 @@
 
 #if (NGX_STREAM_SSL)
 
+#include "ngx_stream_lua_ssl.h"
+
 
 int ngx_stream_lua_ssl_ctx_index = -1;
 int ngx_stream_lua_ssl_key_log_index = -1;
@@ -58,4 +60,32 @@ ngx_stream_lua_ssl_init(ngx_log_t *log)
 }
 
 
+ngx_ssl_conn_t *
+ngx_stream_lua_ffi_get_upstream_ssl_pointer(ngx_stream_lua_request_t *r,
+ const char **err)
+{
+ ngx_connection_t *c;
+
+ if (r == NULL || r->connection == NULL || r->session == NULL) {
+ *err = "bad request";
+ return NULL;
+ }
+
+ if (r->session->upstream == NULL
+ || r->session->upstream->peer.connection == NULL) {
+ *err = "not upstream";
+ return NULL;
+ }
+
+ c = r->session->upstream->peer.connection;
+
+ if (c->ssl == NULL || c->ssl->connection == NULL) {
+ *err = "not ssl connection";
+ return NULL;
+ }
+
+ return c->ssl->connection;
+}
+
+
 #endif /* NGX_STREAM_SSL */