memory leaks fixing

session_manager.cpp

@@ -19,12 +19,8 @@ bool session_manager::validate_pass(){
   this->read_data(buffer, 256);
   std::string user=buffer;
   this->read_data(buffer, 256);
-  // std::string pass=buffer;
-  unsigned char hash[SHA512_DIGEST_LENGTH];
-  SHA512(reinterpret_cast<unsigned const char*>(buffer), strlen(buffer), hash);
-  unsigned char encodedData[200];
-  EVP_EncodeBlock(encodedData, hash, sizeof (hash));
-  std::string pass=std::string(reinterpret_cast<char*>(encodedData));
+  std::string pass=std::string(data_acces::get_hash(buffer));
+  delete[] (buffer);
   if(this->data->get_passwd(user)==pass){
       this->write_data("pass");
       if(this->data->get_admin(user)){
@@ -62,6 +58,7 @@ void session_manager::start_dialog(){
           break;
         }
   }
+  delete[] (buffer);
 }
 
 int session_manager::execute(){
@@ -75,11 +72,13 @@ int session_manager::execute(){
      this->read_data(use_conf,256);
      conf.change_uses(use_conf);
     }else if(strcmp(use_conf,"n")!=0){
+      delete[] (n_package);
       perror("fail in protocol comunication");
       return -1;
     }
   delete [] (use_conf);
   std::string result = this->appli_command("--ask", n_package);
+  delete[] (n_package);
   if(result=="err"){
       return -1;
     }else{
@@ -94,6 +93,7 @@ int session_manager::remove(){
   char* n_package = new char[256];
   this->read_data(n_package, 256);
   std::string result = this->appli_command("--unmerge",n_package);
+  delete[] (n_package);
   if(result=="err"){
       return -1;
     }else{
@@ -121,10 +121,8 @@ std::string session_manager::appli_command(char comand[], char* n_package){
     if(status>0){
         this->write_data("ok");
         ret = n_package;
-        delete[] (n_package);
       }else{
         this->write_data("bad");
-        delete[] (n_package);
         ret = "err";
       }
   }
@@ -167,6 +165,7 @@ void session_manager::remove_user(){
   this->read_data(buffer,256);
   this->read_data(buffer,256);
   this->data->remove_user(std::string(buffer));
+  delete[] (buffer);
 }
 
 int session_manager::read_data(char* input, int size){