Added SERVER_SOFTWARE request meta-variable.

auto/make

@@ -224,7 +224,7 @@ ${NXT_DAEMON}-uninstall:
 
 END
 
-nxt_version=`grep NXT_VERSION src/nxt_main.h | sed -e 's/.*"\(.*\)".*/\1/'`
+nxt_version=`grep -m 1 NXT_VERSION src/nxt_main.h | sed -e 's/.*"\(.*\)".*/\1/'`
 
 # Makefile.
 # *.dSYM is MacOSX Clang debug information.

src/nxt_application.c

@@ -41,6 +41,9 @@ static uint32_t  compat[] = {
 };
 
 
+nxt_str_t  nxt_server = nxt_string(NXT_SERVER);
+
+
 static nxt_thread_mutex_t        nxt_app_mutex;
 static nxt_thread_cond_t         nxt_app_cond;
 

src/nxt_application.h

@@ -307,6 +307,7 @@ nxt_app_msg_read_length(u_char *src, size_t *length)
 nxt_app_lang_module_t *nxt_app_lang_module(nxt_runtime_t *rt, nxt_str_t *name);
 nxt_app_type_t nxt_app_parse_type(u_char *p, size_t length);
 
+NXT_EXPORT extern nxt_str_t      nxt_server;
 extern nxt_application_module_t  nxt_go_module;
 
 

src/nxt_controller.c

@@ -1265,7 +1265,7 @@ nxt_controller_response(nxt_task_t *task, nxt_controller_request_t *req,
     body->mem.free = nxt_cpymem(body->mem.free, "\r\n", 2);
 
     size = sizeof("HTTP/1.1 " "\r\n") - 1 + status_line.length
-           + sizeof("Server: Unit/" NXT_VERSION "\r\n") - 1
+           + sizeof("Server: " NXT_SERVER "\r\n") - 1
            + sizeof("Date: Wed, 31 Dec 1986 16:40:00 GMT\r\n") - 1
            + sizeof("Content-Type: application/json\r\n") - 1
            + sizeof("Content-Length: " "\r\n") - 1 + NXT_SIZE_T_LEN
@@ -1287,7 +1287,7 @@ nxt_controller_response(nxt_task_t *task, nxt_controller_request_t *req,
                              status_line.length);
 
     nxt_str_set(&str, "\r\n"
-                      "Server: Unit/" NXT_VERSION "\r\n"
+                      "Server: " NXT_SERVER "\r\n"
                       "Date: ");
 
     b->mem.free = nxt_cpymem(b->mem.free, str.start, str.length);

src/nxt_http_request.c

@@ -297,7 +297,7 @@ nxt_http_request_header_send(nxt_task_t *task, nxt_http_request_t *r)
         goto fail;
     }
 
-    nxt_http_field_set(server, "Server", "Unit/" NXT_VERSION);
+    nxt_http_field_set(server, "Server", NXT_SERVER);
 
     if (r->resp.date == NULL) {
         date = nxt_list_zero_add(r->resp.fields);

src/nxt_main.h

@@ -14,6 +14,7 @@
 #define NXT_VERSION                  "1.2"
 #define NXT_VERNUM                   10200
 
+#define NXT_SERVER                   "Unit/" NXT_VERSION
 
 typedef struct nxt_port_s            nxt_port_t;
 typedef struct nxt_task_s            nxt_task_t;

src/nxt_php_sapi.c

@@ -668,6 +668,8 @@ nxt_php_register_variables(zval *track_vars_array TSRMLS_DC)
     php_register_variable_safe((char *) (n), (char *) (v).start,              \
                                (v).length, track_vars_array TSRMLS_CC)        \
 
+    NXT_PHP_SET("SERVER_SOFTWARE", nxt_server);
+
     NXT_PHP_SET("SERVER_PROTOCOL", h->version);
 
 /*

src/nxt_python_wsgi.c

@@ -541,6 +541,24 @@ nxt_python_create_environ(nxt_task_t *task)
         return NULL;
     }
 
+    obj = PyString_FromStringAndSize((char *) nxt_server.start,
+                                     nxt_server.length);
+    if (nxt_slow_path(obj == NULL)) {
+        nxt_alert(task,
+              "Python failed to create the \"SERVER_SOFTWARE\" environ value");
+        goto fail;
+    }
+
+    if (nxt_slow_path(PyDict_SetItemString(environ, "SERVER_SOFTWARE", obj)
+        != 0))
+    {
+        nxt_alert(task,
+                  "Python failed to set the \"SERVER_SOFTWARE\" environ value");
+        goto fail;
+    }
+
+    Py_DECREF(obj);
+
     obj = Py_BuildValue("(ii)", 1, 0);
 
     if (nxt_slow_path(obj == NULL)) {

src/perl/nxt_perl_psgi.c

@@ -596,6 +596,9 @@ nxt_perl_psgi_env_create(PerlInterpreter *my_perl, nxt_task_t *task,
     RC(nxt_perl_psgi_read_add_env(my_perl, task, rmsg,           \
         hash_env, ATTR, &str))
 
+    RC(nxt_perl_psgi_env_append_str(my_perl, hash_env,
+                                    "SERVER_SOFTWARE", &nxt_server));
+
     GET_STR("REQUEST_METHOD");
     GET_STR("REQUEST_URI");
 

src/ruby/nxt_ruby.c

@@ -272,6 +272,11 @@ nxt_ruby_rack_env_create(VALUE arg)
     VALUE  hash_env, version;
 
     hash_env = rb_hash_new();
+
+    rb_hash_aset(hash_env, rb_str_new2("SERVER_SOFTWARE"),
+                 rb_str_new((const char *) nxt_server.start,
+                            (long) nxt_server.length));
+
     version = rb_ary_new();
 
     rb_ary_push(version, UINT2NUM(NXT_RUBY_RACK_API_VERSION_MAJOR));