From 3acd286ae02f01bfd9f3baabd40d82ce3b24a748 Mon Sep 17 00:00:00 2001
From: alashkova <n.alashkova@micord.ru>
Date: Tue, 22 Oct 2024 16:40:03 +0300
Subject: [PATCH] =?UTF-8?q?SUPPORT-8592.=20=D0=94=D0=BE=D0=B1=D0=B0=D0=B2?=
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---
 src/modules/service_version.c | 60 +++++++++++++++++++++++++++++++++++
 src/modules/service_version.h | 22 +++++++++++++
 src/service_manager.c         | 13 ++++++++
 src/service_manager.h         |  2 ++
 4 files changed, 97 insertions(+)
 create mode 100644 src/modules/service_version.c
 create mode 100644 src/modules/service_version.h

diff --git a/src/modules/service_version.c b/src/modules/service_version.c
new file mode 100644
index 0000000..7dca8ab
--- /dev/null
+++ b/src/modules/service_version.c
@@ -0,0 +1,60 @@
+#include "service_version.h"
+
+#include "version.h"
+
+#include "fcgisrv/fcgi_utils.h"
+
+#include "utils/logger.h"
+
+#include <assert.h>
+
+
+#define VERSION_TEXT \
+        "Content-type: text/plain" CRLF CRLF \
+        APP_VERSION
+
+static const str_t VERSION_CONF_DEFAULT_LOCATION = str_t_const("/version");
+
+
+int
+version_conf_load(version_conf_t *conf)
+{
+    LOG_TRACE("version_conf_load enter");
+
+    assert(conf != NULL);
+
+    conf->location = &VERSION_CONF_DEFAULT_LOCATION;
+
+    LOG_TRACE("version_conf_load exit");
+    return 0;
+}
+
+void
+version_conf_clear(version_conf_t *conf)
+{
+    LOG_TRACE("version_conf_load enter");
+
+    if (conf != NULL) {
+        conf->location = NULL;
+    }
+    
+    LOG_TRACE("version_conf_load exit");
+}
+
+fcgi_handler_status_t
+fcgi_version_handler(FCGX_Request* request, void* ctx)
+{
+    LOG_TRACE("fcgi_version_handler enter");
+
+    assert(request != NULL);
+
+    if (request == NULL) {
+        LOG_ERROR("fcgi_version_handler failed: request is NULL");
+        return HANDLER_ERROR;
+    }
+
+    FCGX_FPrintF(request->out, VERSION_TEXT);
+
+    LOG_TRACE("fcgi_version_handler exit");
+    return HANDLER_SUCCESS;
+}
diff --git a/src/modules/service_version.h b/src/modules/service_version.h
new file mode 100644
index 0000000..18e59f0
--- /dev/null
+++ b/src/modules/service_version.h
@@ -0,0 +1,22 @@
+#ifndef SERVICE_VERSION_H_INCLUDED
+#define SERVICE_VERSION_H_INCLUDED
+
+
+#include "fcgisrv/fcgi_server.h"
+
+#include "utils/str_t.h"
+
+
+typedef struct version_conf_s {
+    const str_t *location;
+
+} version_conf_t;
+
+
+int version_conf_load(version_conf_t *conf);
+void version_conf_clear(version_conf_t *conf);
+
+fcgi_handler_status_t fcgi_version_handler(FCGX_Request* request, void* ctx);
+
+
+#endif // SERVICE_VERSION_H_INCLUDED
diff --git a/src/service_manager.c b/src/service_manager.c
index e791ea3..03092e6 100644
--- a/src/service_manager.c
+++ b/src/service_manager.c
@@ -166,6 +166,11 @@ service_manager_load_conf(const char* config_file_name, service_manager_conf_t*
         goto error;
     }
 
+    if (version_conf_load(&services_cf->version_cf)) {
+        LOG_ERROR("Show version service configuraton loading failed");
+        goto error;
+    }
+
     conf_file_close_file(conf_file);
 
     LOG_TRACE("service_manager_load_conf exit with success");
@@ -185,6 +190,7 @@ service_manager_clear_conf(service_manager_conf_t* services_cf)
 {
     assert(services_cf != NULL);
 
+    version_conf_clear(&services_cf->version_cf);
     sign_conf_clear(&services_cf->sign_cf);
     verify_conf_clear(&services_cf->verify_cf);
     fcgi_clear_conf(&services_cf->fcgi_cf);
@@ -256,6 +262,13 @@ init_services(service_manager_t* services, const service_manager_conf_t* service
         goto error;
     }
 
+    /* show version service */
+    if (register_service(services, services_cf, fcgi_version_handler, NULL,
+                            services_cf->version_cf.location)) {
+        LOG_ERROR("Could not register 'show version service'");
+        goto error;
+    }
+
     /* run fastcgi server */
     if (fcgi_run_server(services->hfcgi) != 0) {
         LOG_ERROR("Could not run FastCGI server");
diff --git a/src/service_manager.h b/src/service_manager.h
index 683fdb7..7c30f88 100644
--- a/src/service_manager.h
+++ b/src/service_manager.h
@@ -9,6 +9,7 @@
 
 #include "modules/service_sign.h"
 #include "modules/service_verify.h"
+#include "modules/service_version.h"
 
 struct service_s;
 
@@ -48,6 +49,7 @@ typedef struct service_manager_conf_s {
     main_conf_t             main_cf;
     sign_conf_t             sign_cf;
     verify_conf_t           verify_cf;
+    version_conf_t          version_cf;
 
 } service_manager_conf_t;