text: /* TEMPLATE GENERATED TESTCASE FILE
  Filename: CWE23_Relative_Path_Traversal__wchar_t_listen_socket_w32CreateFile_61b.cpp
  Label Definition File: CWE23_Relative_Path_Traversal.label.xml
  Template File: sources-sink-61b.tmpl.cpp
  */
  /*
   * @description
   * CWE: 23 Relative Path Traversal
   * BadSource: listen_socket Read data using a listen socket (server side)
   * GoodSource: Use a fixed file name
   * Sinks: w32CreateFile
   *    BadSink : Open the file named in data using CreateFile()
   * Flow Variant: 61 Data flow: data returned from one function to another in different source files
   *
   * */
  
  #include "std_testcase.h"
  
  #ifdef _WIN32
  #define BASEPATH L"c:\\temp\\"
  #else
  #include <wchar.h>
  #define BASEPATH L"/tmp/"
  #endif
  
  #ifdef _WIN32
  #include <winsock2.h>
  #include <windows.h>
  #include <direct.h>
  #pragma comment(lib, "ws2_32") /* include ws2_32.lib when linking */
  #define CLOSE_SOCKET closesocket
  #else
  #include <sys/types.h>
  #include <sys/socket.h>
  #include <netinet/in.h>
  #include <arpa/inet.h>
  #include <unistd.h>
  #define INVALID_SOCKET -1
  #define SOCKET_ERROR -1
  #define CLOSE_SOCKET close
  #define SOCKET int
  #endif
  
  #define TCP_PORT 27015
  #define LISTEN_BACKLOG 5
  
  
  namespace CWE23_Relative_Path_Traversal__wchar_t_listen_socket_w32CreateFile_61
  {
  
  #ifndef OMITBAD
  
  wchar_t * badSource(wchar_t * data)
  {
      {
  #ifdef _WIN32
          WSADATA wsaData;
          int wsaDataInit = 0;
  #endif
          int recvResult;
          struct sockaddr_in service;
          wchar_t *replace;
          SOCKET listenSocket = INVALID_SOCKET;
          SOCKET acceptSocket = INVALID_SOCKET;
          size_t dataLen = wcslen(data);
          do
          {
  #ifdef _WIN32
              if (WSAStartup(MAKEWORD(2,2), &wsaData) != NO_ERROR)
              {
                  break;
              }
              wsaDataInit = 1;
  #endif
              /* POTENTIAL FLAW: Read data using a listen socket */
              listenSocket = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
              if (listenSocket == INVALID_SOCKET)
              {
                  break;
              }
              memset(&service, 0, sizeof(service));
              service.sin_family = AF_INET;
              service.sin_addr.s_addr = INADDR_ANY;
              service.sin_port = htons(TCP_PORT);
              if (bind(listenSocket, (struct sockaddr*)&service, sizeof(service)) == SOCKET_ERROR)
              {
                  break;
              }
              if (listen(listenSocket, LISTEN_BACKLOG) == SOCKET_ERROR)
              {
                  break;
              }
              acceptSocket = accept(listenSocket, NULL, NULL);
              if (acceptSocket == SOCKET_ERROR)
              {
                  break;
              }
              /* Abort on error or the connection was closed */
              recvResult = recv(acceptSocket, (char *)(data + dataLen), sizeof(wchar_t) * (FILENAME_MAX - dataLen - 1), 0);
              if (recvResult == SOCKET_ERROR || recvResult == 0)
              {
                  break;
              }
              /* Append null terminator */
              data[dataLen + recvResult / sizeof(wchar_t)] = L'\0';
              /* Eliminate CRLF */
              replace = wcschr(data, L'\r');
              if (replace)
              {
                  *replace = L'\0';
              }
              replace = wcschr(data, L'\n');
              if (replace)
              {
                  *replace = L'\0';
              }
          }
          while (0);
          if (listenSocket != INVALID_SOCKET)
          {
              CLOSE_SOCKET(listenSocket);
          }
          if (acceptSocket != INVALID_SOCKET)
          {
              CLOSE_SOCKET(acceptSocket);
          }
  #ifdef _WIN32
          if (wsaDataInit)
          {
              WSACleanup();
          }
  #endif
      }
      return data;
  }
  
  #endif /* OMITBAD */
  
  #ifndef OMITGOOD
  
  /* goodG2B() uses the GoodSource with the BadSink */
  wchar_t * goodG2BSource(wchar_t * data)
  {
      /* FIX: Use a fixed file name */
      wcscat(data, L"file.txt");
      return data;
  }
  
  #endif /* OMITGOOD */
  
  } /* close namespace */
  