text: /* TEMPLATE GENERATED TESTCASE FILE
  Filename: CWE319_Cleartext_Tx_Sensitive_Info__w32_wchar_t_listen_socket_10.c
  Label Definition File: CWE319_Cleartext_Tx_Sensitive_Info__w32.label.xml
  Template File: sources-sinks-10.tmpl.c
  */
  /*
   * @description
   * CWE: 319 Cleartext Transmission of Sensitive Information
   * BadSource: listen_socket Read the password using a listen socket (server side)
   * GoodSource: Use a hardcoded password (one that was not sent over the network)
   * Sinks:
   *    GoodSink: Decrypt the password before using it in an authentication API call to show that it was transferred as ciphertext
   *    BadSink : Use the password directly from the source in an authentication API call to show that it was transferred as plaintext
   * Flow Variant: 10 Control flow: if(globalTrue) and if(globalFalse)
   *
   * */
  
  #include "std_testcase.h"
  
  #include <winsock2.h>
  #include <windows.h>
  #include <direct.h>
  #pragma comment(lib, "ws2_32") /* include ws2_32.lib when linking */
  
  #define TCP_PORT 27015
  #define LISTEN_BACKLOG 5
  
  #pragma comment(lib, "advapi32.lib")
  
  #define HASH_INPUT "ABCDEFG123456" /* INCIDENTAL: Hardcoded crypto */
  
  #ifndef OMITBAD
  
  void CWE319_Cleartext_Tx_Sensitive_Info__w32_wchar_t_listen_socket_10_bad()
  {
      wchar_t * password;
      wchar_t passwordBuffer[100] = L"";
      password = passwordBuffer;
      if(globalTrue)
      {
          {
              WSADATA wsaData;
              int wsaDataInit = 0;
              int recvResult;
              struct sockaddr_in service;
              wchar_t *replace;
              SOCKET listenSocket = INVALID_SOCKET;
              SOCKET acceptSocket = INVALID_SOCKET;
              size_t passwordLen = wcslen(password);
              do
              {
                  if (WSAStartup(MAKEWORD(2,2), &wsaData) != NO_ERROR)
                  {
                      break;
                  }
                  wsaDataInit = 1;
                  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 */
                  /* POTENTIAL FLAW: Reading sensitive data from the network */
                  recvResult = recv(acceptSocket, (char*)(password + passwordLen), (100 - passwordLen - 1) * sizeof(wchar_t), 0);
                  if (recvResult == SOCKET_ERROR || recvResult == 0)
                  {
                      break;
                  }
                  /* Append null terminator */
                  password[passwordLen + recvResult / sizeof(wchar_t)] = L'\0';
                  /* Eliminate CRLF */
                  replace = wcschr(password, L'\r');
                  if (replace)
                  {
                      *replace = L'\0';
                  }
                  replace = wcschr(password, L'\n');
                  if (replace)
                  {
                      *replace = L'\0';
                  }
              }
              while (0);
              if (listenSocket != INVALID_SOCKET)
              {
                  closesocket(listenSocket);
              }
              if (acceptSocket != INVALID_SOCKET)
              {
                  closesocket(acceptSocket);
              }
              if (wsaDataInit)
              {
                  WSACleanup();
              }
          }
      }
      if(globalTrue)
      {
          {
              HANDLE pHandle;
              wchar_t * username = L"User";
              wchar_t * domain = L"Domain";
              /* Use the password in LogonUser() to establish that it is "sensitive" */
              /* POTENTIAL FLAW: Using sensitive information that was possibly sent in plaintext over the network */
              if (LogonUserW(
                          username,
                          domain,
                          password,
                          LOGON32_LOGON_NETWORK,
                          LOGON32_PROVIDER_DEFAULT,
                          &pHandle) != 0)
              {
                  printLine("User logged in successfully.");
                  CloseHandle(pHandle);
              }
              else
              {
                  printLine("Unable to login.");
              }
          }
      }
  }
  
  #endif /* OMITBAD */
  
  #ifndef OMITGOOD
  
  /* goodB2G1() - use badsource and goodsink by changing the second globalTrue to globalFalse */
  static void goodB2G1()
  {
      wchar_t * password;
      wchar_t passwordBuffer[100] = L"";
      password = passwordBuffer;
      if(globalTrue)
      {
          {
              WSADATA wsaData;
              int wsaDataInit = 0;
              int recvResult;
              struct sockaddr_in service;
              wchar_t *replace;
              SOCKET listenSocket = INVALID_SOCKET;
              SOCKET acceptSocket = INVALID_SOCKET;
              size_t passwordLen = wcslen(password);
              do
              {
                  if (WSAStartup(MAKEWORD(2,2), &wsaData) != NO_ERROR)
                  {
                      break;
                  }
                  wsaDataInit = 1;
                  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 */
                  /* POTENTIAL FLAW: Reading sensitive data from the network */
                  recvResult = recv(acceptSocket, (char*)(password + passwordLen), (100 - passwordLen - 1) * sizeof(wchar_t), 0);
                  if (recvResult == SOCKET_ERROR || recvResult == 0)
                  {
                      break;
                  }
                  /* Append null terminator */
                  password[passwordLen + recvResult / sizeof(wchar_t)] = L'\0';
                  /* Eliminate CRLF */
                  replace = wcschr(password, L'\r');
                  if (replace)
                  {
                      *replace = L'\0';
                  }
                  replace = wcschr(password, L'\n');
                  if (replace)
                  {
                      *replace = L'\0';
                  }
              }
              while (0);
              if (listenSocket != INVALID_SOCKET)
              {
                  closesocket(listenSocket);
              }
              if (acceptSocket != INVALID_SOCKET)
              {
                  closesocket(acceptSocket);
              }
              if (wsaDataInit)
              {
                  WSACleanup();
              }
          }
      }
      if(globalFalse)
      {
          /* INCIDENTAL: CWE 561 Dead Code, the code below will never run */
          printLine("Benign, fixed string");
      }
      else
      {
          {
              HCRYPTPROV hCryptProv = 0;
              HCRYPTHASH hHash = 0;
              HCRYPTKEY hKey = 0;
              char hashData[100] = HASH_INPUT;
              HANDLE pHandle;
              wchar_t * username = L"User";
              wchar_t * domain = L"Domain";
              do
              {
                  BYTE payload[(100 - 1) * sizeof(wchar_t)]; /* same size as password except for NUL terminator */
                  DWORD payloadBytes;
                  /* Hex-decode the input string into raw bytes */
                  payloadBytes = decodeHexWChars(payload, sizeof(payload), password);
                  /* Wipe the hex string, to prevent it from being given to LogonUserW if
                   * any of the crypto calls fail. */
                  SecureZeroMemory(password, 100 * sizeof(wchar_t));
                  /* Aquire a Context */
                  if(!CryptAcquireContext(&hCryptProv, NULL, MS_ENH_RSA_AES_PROV, PROV_RSA_AES, 0))
                  {
                      break;
                  }
                  /* Create hash handle */
                  if(!CryptCreateHash(hCryptProv, CALG_SHA_256, 0, 0, &hHash))
                  {
                      break;
                  }
                  /* Hash the input string */
                  if(!CryptHashData(hHash, (BYTE*)hashData, strlen(hashData), 0))
                  {
                      break;
                  }
                  /* Derive an AES key from the hash */
                  if(!CryptDeriveKey(hCryptProv, CALG_AES_256, hHash, 0, &hKey))
                  {
                      break;
                  }
                  /* FIX: Decrypt the password */
                  if(!CryptDecrypt(hKey, 0, 1, 0, payload, &payloadBytes))
                  {
                      break;
                  }
                  /* Copy back into password and NUL-terminate */
                  memcpy(password, payload, payloadBytes);
                  password[payloadBytes / sizeof(wchar_t)] = L'\0';
              }
              while (0);
              if (hKey)
              {
                  CryptDestroyKey(hKey);
              }
              if (hHash)
              {
                  CryptDestroyHash(hHash);
              }
              if (hCryptProv)
              {
                  CryptReleaseContext(hCryptProv, 0);
              }
              /* Use the password in LogonUser() to establish that it is "sensitive" */
              if (LogonUserW(
                          username,
                          domain,
                          password,
                          LOGON32_LOGON_NETWORK,
                          LOGON32_PROVIDER_DEFAULT,
                          &pHandle) != 0)
              {
                  printLine("User logged in successfully.");
                  CloseHandle(pHandle);
              }
              else
              {
                  printLine("Unable to login.");
              }
          }
      }
  }
  
  /* goodB2G2() - use badsource and goodsink by reversing the blocks in the second if */
  static void goodB2G2()
  {
      wchar_t * password;
      wchar_t passwordBuffer[100] = L"";
      password = passwordBuffer;
      if(globalTrue)
      {
          {
              WSADATA wsaData;
              int wsaDataInit = 0;
              int recvResult;
              struct sockaddr_in service;
              wchar_t *replace;
              SOCKET listenSocket = INVALID_SOCKET;
              SOCKET acceptSocket = INVALID_SOCKET;
              size_t passwordLen = wcslen(password);
              do
              {
                  if (WSAStartup(MAKEWORD(2,2), &wsaData) != NO_ERROR)
                  {
                      break;
                  }
                  wsaDataInit = 1;
                  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 */
                  /* POTENTIAL FLAW: Reading sensitive data from the network */
                  recvResult = recv(acceptSocket, (char*)(password + passwordLen), (100 - passwordLen - 1) * sizeof(wchar_t), 0);
                  if (recvResult == SOCKET_ERROR || recvResult == 0)
                  {
                      break;
                  }
                  /* Append null terminator */
                  password[passwordLen + recvResult / sizeof(wchar_t)] = L'\0';
                  /* Eliminate CRLF */
                  replace = wcschr(password, L'\r');
                  if (replace)
                  {
                      *replace = L'\0';
                  }
                  replace = wcschr(password, L'\n');
                  if (replace)
                  {
                      *replace = L'\0';
                  }
              }
              while (0);
              if (listenSocket != INVALID_SOCKET)
              {
                  closesocket(listenSocket);
              }
              if (acceptSocket != INVALID_SOCKET)
              {
                  closesocket(acceptSocket);
              }
              if (wsaDataInit)
              {
                  WSACleanup();
              }
          }
      }
      if(globalTrue)
      {
          {
              HCRYPTPROV hCryptProv = 0;
              HCRYPTHASH hHash = 0;
              HCRYPTKEY hKey = 0;
              char hashData[100] = HASH_INPUT;
              HANDLE pHandle;
              wchar_t * username = L"User";
              wchar_t * domain = L"Domain";
              do
              {
                  BYTE payload[(100 - 1) * sizeof(wchar_t)]; /* same size as password except for NUL terminator */
                  DWORD payloadBytes;
                  /* Hex-decode the input string into raw bytes */
                  payloadBytes = decodeHexWChars(payload, sizeof(payload), password);
                  /* Wipe the hex string, to prevent it from being given to LogonUserW if
                   * any of the crypto calls fail. */
                  SecureZeroMemory(password, 100 * sizeof(wchar_t));
                  /* Aquire a Context */
                  if(!CryptAcquireContext(&hCryptProv, NULL, MS_ENH_RSA_AES_PROV, PROV_RSA_AES, 0))
                  {
                      break;
                  }
                  /* Create hash handle */
                  if(!CryptCreateHash(hCryptProv, CALG_SHA_256, 0, 0, &hHash))
                  {
                      break;
                  }
                  /* Hash the input string */
                  if(!CryptHashData(hHash, (BYTE*)hashData, strlen(hashData), 0))
                  {
                      break;
                  }
                  /* Derive an AES key from the hash */
                  if(!CryptDeriveKey(hCryptProv, CALG_AES_256, hHash, 0, &hKey))
                  {
                      break;
                  }
                  /* FIX: Decrypt the password */
                  if(!CryptDecrypt(hKey, 0, 1, 0, payload, &payloadBytes))
                  {
                      break;
                  }
                  /* Copy back into password and NUL-terminate */
                  memcpy(password, payload, payloadBytes);
                  password[payloadBytes / sizeof(wchar_t)] = L'\0';
              }
              while (0);
              if (hKey)
              {
                  CryptDestroyKey(hKey);
              }
              if (hHash)
              {
                  CryptDestroyHash(hHash);
              }
              if (hCryptProv)
              {
                  CryptReleaseContext(hCryptProv, 0);
              }
              /* Use the password in LogonUser() to establish that it is "sensitive" */
              if (LogonUserW(
                          username,
                          domain,
                          password,
                          LOGON32_LOGON_NETWORK,
                          LOGON32_PROVIDER_DEFAULT,
                          &pHandle) != 0)
              {
                  printLine("User logged in successfully.");
                  CloseHandle(pHandle);
              }
              else
              {
                  printLine("Unable to login.");
              }
          }
      }
  }
  
  /* goodG2B1() - use goodsource and badsink by changing the first globalTrue to globalFalse */
  static void goodG2B1()
  {
      wchar_t * password;
      wchar_t passwordBuffer[100] = L"";
      password = passwordBuffer;
      if(globalFalse)
      {
          /* INCIDENTAL: CWE 561 Dead Code, the code below will never run */
          printLine("Benign, fixed string");
      }
      else
      {
          /* FIX: Use a hardcoded password (it was not sent over the network)
          * INCIDENTAL FLAW: CWE-259 Hard Coded Password */
          wcscpy(password, L"Password1234!");
      }
      if(globalTrue)
      {
          {
              HANDLE pHandle;
              wchar_t * username = L"User";
              wchar_t * domain = L"Domain";
              /* Use the password in LogonUser() to establish that it is "sensitive" */
              /* POTENTIAL FLAW: Using sensitive information that was possibly sent in plaintext over the network */
              if (LogonUserW(
                          username,
                          domain,
                          password,
                          LOGON32_LOGON_NETWORK,
                          LOGON32_PROVIDER_DEFAULT,
                          &pHandle) != 0)
              {
                  printLine("User logged in successfully.");
                  CloseHandle(pHandle);
              }
              else
              {
                  printLine("Unable to login.");
              }
          }
      }
  }
  
  /* goodG2B2() - use goodsource and badsink by reversing the blocks in the first if */
  static void goodG2B2()
  {
      wchar_t * password;
      wchar_t passwordBuffer[100] = L"";
      password = passwordBuffer;
      if(globalTrue)
      {
          /* FIX: Use a hardcoded password (it was not sent over the network)
          * INCIDENTAL FLAW: CWE-259 Hard Coded Password */
          wcscpy(password, L"Password1234!");
      }
      if(globalTrue)
      {
          {
              HANDLE pHandle;
              wchar_t * username = L"User";
              wchar_t * domain = L"Domain";
              /* Use the password in LogonUser() to establish that it is "sensitive" */
              /* POTENTIAL FLAW: Using sensitive information that was possibly sent in plaintext over the network */
              if (LogonUserW(
                          username,
                          domain,
                          password,
                          LOGON32_LOGON_NETWORK,
                          LOGON32_PROVIDER_DEFAULT,
                          &pHandle) != 0)
              {
                  printLine("User logged in successfully.");
                  CloseHandle(pHandle);
              }
              else
              {
                  printLine("Unable to login.");
              }
          }
      }
  }
  
  void CWE319_Cleartext_Tx_Sensitive_Info__w32_wchar_t_listen_socket_10_good()
  {
      goodB2G1();
      goodB2G2();
      goodG2B1();
      goodG2B2();
  }
  
  #endif /* OMITGOOD */
  
  /* Below is the main(). It is only used when building this testcase on
     its own for testing or for building a binary to use in testing binary
     analysis tools. It is not used when compiling all the testcases as one
     application, which is how source code analysis tools are tested. */
  
  #ifdef INCLUDEMAIN
  
  int main(int argc, char * argv[])
  {
      /* seed randomness */
      srand( (unsigned)time(NULL) );
  #ifndef OMITGOOD
      printLine("Calling good()...");
      CWE319_Cleartext_Tx_Sensitive_Info__w32_wchar_t_listen_socket_10_good();
      printLine("Finished good()");
  #endif /* OMITGOOD */
  #ifndef OMITBAD
      printLine("Calling bad()...");
      CWE319_Cleartext_Tx_Sensitive_Info__w32_wchar_t_listen_socket_10_bad();
      printLine("Finished bad()");
  #endif /* OMITBAD */
      return 0;
  }
  
  #endif
  