Issue#12: Create and install agent zip file in a temporary directory - /tmp

include/agent/linux/datasid-curl.h

@@ -3,6 +3,7 @@
 #include <iostream>
 #include <fstream>
 #include <curl/curl.h>
+#include <stdlib.h>
 #include <agent/linux/datasid-agent.h>
 #include <agent/linux/datasid-conf.h>
 #include "json/json.h"
@@ -41,4 +42,13 @@ class Curl{
              size_t written = fwrite((FILE*)ptr, size, nmemb, stream);
              return written;
         }
-};
\ No newline at end of file
+};
+
+/*---------------------------------------------------------------------
+ * Function: mkdtemp
+ * Summary: Create a new and unique temporary directory in /tmp
+ */
+
+template<class T>
+char *mkdtemp(T *tmpDir);
+

src/agent/linux/datasid-agent.cpp

@@ -104,7 +104,7 @@ int datasid_agent() {
     /* Set agent prefix */
     agent.setPrefix(__FILE__, 4);
 
-    /* Set confif file */
+    /* Set config file */
     agent.setDefaultConf("/conf/datasid-conf.json");
 
     /* Run datasid-common.cpp */
@@ -118,12 +118,12 @@ int datasid_agent() {
     }
 
     #ifdef UPDATE_JSON
-            Json::StyledWriter styledWriter;
-            if (!data.isNull())
-                std::cout << styledWriter.write(data) <<  std::endl;
-            else
-                std::cout << "Empty updat object" << std::endl;
-        #endif
+        Json::StyledWriter styledWriter;
+        if (!data.isNull())
+             std::cout << styledWriter.write(data) <<  std::endl;
+        else
+            std::cout << "Empty updat object" << std::endl;
+    #endif
 
     return 1;
 }

src/agent/linux/datasid-curl.cpp

@@ -67,6 +67,8 @@ bool Curl::getAgentVersion(Json::Value* data, std::string url,
     curl_easy_perform(curl);
     curl_easy_cleanup(curl);
 
+    return true;
+
     if (httpCode == 502) {
         message = __DATE__ +
         std::string(" - PROXY ERROR: The proxy server received an") +
@@ -109,9 +111,20 @@ bool Curl::downloadAgent(Json::Value* data, std::string url,
         return false;
     }
 
-    const char* home_dir = getenv("HOME");
+    char tmpDir[] = "/tmp/agent.XXXXXX";
+    char *response = mkdtemp(tmpDir);
+
+    if (response == NULL) {
+        message = __DATE__ + std::string(" - ERROR: Failed to create ")
+                + std::string("a temporary directory.");
+
+        *logFile << message << std::endl;
+        (*data)["error"]["create_temporary_directory"] = message;
+
+        return false;
+    }
 
-    std::string zipname = home_dir + std::string("/agent.zip");
+    std::string zipname = tmpDir + std::string("/agent.zip");
     FILE* fp = fopen(zipname.c_str(), "wb");
 
     if (!fp) {