created misc.c

include/misc.h

@@ -0,0 +1,6 @@
+#ifndef WHY2_MISC_H
+#define WHY2_MISC_H
+
+void checkVersion(); //THIS FUNCTION CHECKS IF LATEST VERSION OF WHY2 IS USED
+
+#endif

src/misc.c

@@ -0,0 +1,56 @@
+#include "../include/misc.h"
+
+#include <string.h>
+#include <unistd.h>
+
+#include <curl/curl.h>
+#include <json-c/json.h>
+
+#include "../include/flags.h"
+
+void
+checkVersion()
+{
+    //CURL VARIABLES
+    CURL *curl = curl_easy_init();
+    FILE *fileBuffer = fopen(VERSIONS_NAME, "w");
+
+    //GET versions.json
+    curl_easy_setopt(curl, CURLOPT_URL, VERSIONS_URL);
+    curl_easy_setopt(curl, CURLOPT_WRITEDATA, fileBuffer);
+
+    //DOWNLOAD versions.json
+    curl_easy_perform(curl);
+
+    //CLEANUP
+    curl_easy_cleanup(curl);
+    fclose(fileBuffer);
+
+    //JSON VARIABLES
+    fileBuffer = fopen(VERSIONS_NAME, "r");
+	char buffer[256];
+	char lineBuffer[64];
+	struct json_object *parsedJson;
+	struct json_object *active;
+
+    //LOAD jsonFile
+	while (fgets(lineBuffer, sizeof(lineBuffer), fileBuffer) != NULL)
+    {
+        strcat(buffer, lineBuffer);
+    }
+
+    //CLEANUP
+	fclose(fileBuffer);
+
+    //GET
+	parsedJson = json_tokener_parse(buffer);
+	json_object_object_get_ex(parsedJson, "active", &active);
+
+    if (strcmp(VERSION, json_object_get_string(active)) != 0)
+    {
+        fprintf(stderr, "Your version isn't latest! This release could be unsafe!\n");
+
+        //WAIT FOR 5 SECONDS
+        sleep(5);
+    }
+}