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https://github.com/reactos/reactos.git
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251 lines
9.1 KiB
C
251 lines
9.1 KiB
C
/*
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* PROJECT: ReactOS API tests
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* LICENSE: LGPL-2.1+ (https://spdx.org/licenses/LGPL-2.1+)
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* PURPOSE: Tests for Hostname command and Winsock gethostname() function.
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* COPYRIGHT: Copyright 2019 Doug Lyons <douglyons@douglyons.com>
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* Copyright 2019 Hermes Belusca-Maito
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*/
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#include "ws2_32.h"
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#include <winreg.h>
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#define REG_HOSTNAME_KEY L"System\\CurrentControlSet\\Services\\Tcpip\\Parameters"
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#define REG_COMPUTERNAME_KEY L"System\\CurrentControlSet\\Control\\ComputerName\\ComputerName"
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HKEY
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OpenRegKey(
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IN HKEY hRootKey,
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IN PCWSTR pszSubKey,
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IN DWORD ulOptions)
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{
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HKEY hKey = NULL;
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LONG Error = RegOpenKeyExW(hRootKey, pszSubKey, 0, ulOptions, &hKey);
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if (Error == ERROR_SUCCESS)
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return hKey;
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return NULL;
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}
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BOOL
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GetHostnameFromCommand(
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OUT PSTR pszHostnameBuffer,
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IN ULONG ulBufferSize)
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{
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PCSTR file_name = "HostName123.txt";
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CHAR cmdline[MAX_PATH] = "hostname > ";
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FILE *fp;
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INT iResult;
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INT len;
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PCSTR ptr;
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ZeroMemory(pszHostnameBuffer, ulBufferSize * sizeof(CHAR));
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/* Run the 'hostname' command, piping out its result to the temporary file */
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strcat(cmdline, file_name);
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system(cmdline);
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/* Open the temporary file in read mode */
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fp = fopen(file_name, "r");
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ok(fp != NULL, "An error occurred while opening the file.\n");
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if (fp == NULL)
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return FALSE;
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/* Read its contents */
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ptr = fgets(pszHostnameBuffer, ulBufferSize * sizeof(CHAR), fp);
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ok(ptr != NULL, "An error occurred while reading the file.\n");
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if (ptr == NULL)
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goto Cleanup;
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/* Delete the expected ending line feed character */
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len = lstrlenA(pszHostnameBuffer);
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if (pszHostnameBuffer[len-1] == '\r' || pszHostnameBuffer[len-1] == '\n')
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pszHostnameBuffer[len-1] = ANSI_NULL;
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Cleanup:
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/* Close and remove the file */
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iResult = fclose(fp);
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ok(iResult == 0, "An error occurred while closing the file: %i.\n", iResult);
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iResult = remove(file_name);
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ok(iResult == 0, "An error occurred while deleting the file: %i.\n", iResult);
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return (ptr ? TRUE : FALSE);
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}
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START_TEST(gethostname)
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{
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INT pos;
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HKEY hKeyHN;
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DWORD cbData;
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LONG Error;
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INT hnError;
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INT iResult;
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WSADATA wsaData;
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DWORD uApiHostNameSize;
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CHAR szApiHostName[256] = "";
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CHAR szHostNameOld[256] = "";
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CHAR szHostNameNew[256] = "";
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CHAR hostbuffer[256] = "";
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/*
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* Notes about the retrieval of the computer name on Windows.
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*
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* - GetComputerName() (equivalently, GetComputerNameEx(ComputerNameNetBIOS))
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* retrieves the name cached in the registry value "ComputerName" under
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* "System\\CurrentControlSet\\Control\\ComputerName\\ActiveComputerName" .
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*
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* - GetComputerNameEx(ComputerNameDnsHostname) as well as the 'hostname' command
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return the registry value "Hostname" under "System\\CurrentControlSet\\Services\\Tcpip\\Parameters" .
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*
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* - In case a new computer name is set, its value is cached in the registry value
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* "ComputerName" under "System\\CurrentControlSet\\Control\\ComputerName\\ComputerName",
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* and also in the registry value "NV Hostname" under "System\\CurrentControlSet\\Services\\Tcpip\\Parameters" .
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*/
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/* Retrieve the current host name using API */
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uApiHostNameSize = _countof(szApiHostName);
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if (!GetComputerNameExA(ComputerNameDnsHostname, szApiHostName, &uApiHostNameSize))
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{
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/* Fail in case of error */
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skip("GetComputerNameExA(ComputerNameDnsHostname) failed, error %lu\n", GetLastError());
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return;
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}
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printf("The Hostname from API is '%s'.\n", szApiHostName);
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/* Retrieve the current host name using the 'hostname' command */
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if (!GetHostnameFromCommand(hostbuffer, _countof(hostbuffer)))
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{
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/* Fail in case of error */
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skip("Error while retrieving the host name using the 'hostname' command!\n");
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return;
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}
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printf("The Hostname from command is '%s'.\n", hostbuffer);
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pos = strcmp(szApiHostName, hostbuffer);
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printf("The test results were '%s'.\n", pos==0 ? "good" : "bad");
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ok(pos == 0, "hostbuffer '%s' should have been szApiHostName '%s'.\n", hostbuffer, szApiHostName);
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hKeyHN = OpenRegKey(HKEY_LOCAL_MACHINE, REG_HOSTNAME_KEY, KEY_ALL_ACCESS);
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ok(hKeyHN != NULL, "Error while opening hostname registry key.\n");
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if (hKeyHN == NULL)
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return;
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/* Get Old Hostname */
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szHostNameOld[0] = ANSI_NULL;
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cbData = sizeof(szHostNameOld);
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Error = RegQueryValueExA(hKeyHN, "Hostname", NULL, NULL, (LPBYTE)szHostNameOld, &cbData);
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printf("Hostname from Registry is '%s'.\n", szHostNameOld);
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pos = strcmp(szHostNameOld, szApiHostName);
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printf("The test results were '%s'.\n", pos==0 ? "good" : "bad");
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ok(pos == 0, "szApiHostName '%s' should have been szHostNameOld '%s'.\n", szApiHostName, szHostNameOld);
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/* Change Hostname in the Registry */
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szHostNameNew[0] = ANSI_NULL;
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strcat(szHostNameNew, "ROSHOSTNAME1");
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cbData = lstrlenA(szHostNameNew) + 1;
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Error = RegSetValueExA(hKeyHN, "Hostname", 0, REG_SZ, (LPBYTE)szHostNameNew, cbData);
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ok(Error == ERROR_SUCCESS, "Error setting new registry value (%ld).\n", GetLastError());
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/* Retrieve the current host name using API */
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uApiHostNameSize = _countof(szApiHostName);
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if (!GetComputerNameExA(ComputerNameDnsHostname, szApiHostName, &uApiHostNameSize))
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{
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/* Fail in case of error */
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skip("GetComputerNameExA(ComputerNameDnsHostname) failed, error %lu\n", GetLastError());
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goto Cleanup;
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}
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printf("The Hostname from API is '%s'.\n", szApiHostName);
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/* Retrieve the current host name using the 'hostname' command */
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if (!GetHostnameFromCommand(hostbuffer, _countof(hostbuffer)))
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{
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/* Fail in case of error */
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skip("Error while retrieving the host name using the 'hostname' command!\n");
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goto Cleanup;
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}
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printf("The Hostname from command is '%s'.\n", hostbuffer);
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pos = strcmp(szHostNameNew, szApiHostName);
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printf("The test results were '%s'.\n", pos==0 ? "good" : "bad");
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ok(pos == 0, "szApiHostName '%s' should be szHostNameNew '%s'.\n", szApiHostName, szHostNameNew);
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pos = strcmp(szHostNameNew, hostbuffer);
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printf("The test results were '%s'.\n", pos==0 ? "good" : "bad");
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ok(pos == 0, "hostbuffer '%s' should have been szHostNameNew '%s'.\n", hostbuffer, szHostNameNew);
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/* Reset the original registry entry */
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cbData = lstrlenA(szHostNameOld) + 1;
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Error = RegSetValueExA(hKeyHN, "Hostname", 0, REG_SZ, (LPBYTE)szHostNameOld, cbData);
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ok(Error == ERROR_SUCCESS, "Error resetting new registry value back (%ld).\n", GetLastError());
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/*============ Winsock Checks ===============*/
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/* Start up Winsock to use gethostname() */
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iResult = WSAStartup(MAKEWORD(2,2), &wsaData);
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ok(iResult == 0, "Error occurred starting Winsock");
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if (iResult != 0)
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goto Cleanup;
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/* Retrieve gethostname() */
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hnError = gethostname(hostbuffer, sizeof(hostbuffer));
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ok(!hnError, "Winsock gethostname() Error is '%d'.\n", WSAGetLastError());
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/* Display results */
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if (!hnError)
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printf("Winsock gethostname() is '%s'.\n", hostbuffer);
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pos = strcmp(szHostNameOld, hostbuffer);
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printf("The test results were '%s'.\n", pos==0 ? "good" : "bad");
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ok(pos == 0, "szHostNameOld '%s' should be hostbuffer '%s'.\n", szHostNameOld, hostbuffer);
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/* Change Hostname in the Registry */
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szHostNameNew[0] = ANSI_NULL;
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strcat(szHostNameNew, "ROSHOSTNAME1");
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cbData = lstrlenA(szHostNameNew) + 1;
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Error = RegSetValueExA(hKeyHN, "Hostname", 0, REG_SZ, (LPBYTE)szHostNameNew, cbData);
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ok(Error == ERROR_SUCCESS, "Error setting new registry value (%ld).\n", GetLastError());
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/* Retrieve gethostname() */
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hnError = gethostname(hostbuffer, sizeof(hostbuffer));
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ok(!hnError, "Winsock gethostname() Error is '%d'.\n", WSAGetLastError());
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/* Display results */
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if (!hnError)
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printf("Winsock gethostname() is '%s'.\n", hostbuffer);
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pos = strcmp(szHostNameNew, hostbuffer);
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printf("The test results were '%s'.\n", pos==0 ? "good" : "bad");
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ok(pos == 0, "szHostNameNew '%s' should be hostbuffer '%s'.\n", szHostNameNew, hostbuffer);
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/* Reset the original registry entry */
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cbData = lstrlenA(szHostNameOld) + 1;
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Error = RegSetValueExA(hKeyHN, "Hostname", 0, REG_SZ, (LPBYTE)szHostNameOld, cbData);
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ok(Error == ERROR_SUCCESS, "Error resetting new registry value back (%ld).\n", GetLastError());
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/* Retrieve gethostname() */
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hnError = gethostname(hostbuffer, sizeof(hostbuffer));
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ok(!hnError, "Winsock gethostname() Error is '%d'.\n", WSAGetLastError());
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/* Display results */
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if (!hnError)
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printf("Winsock gethostname() is '%s'.\n", hostbuffer);
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pos = strcmp(szHostNameOld, hostbuffer);
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printf("The test results were '%s'.\n", pos==0 ? "good" : "bad");
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ok(pos == 0, "szHostNameOld '%s' should be hostbuffer '%s'.\n", szHostNameOld, hostbuffer);
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Cleanup:
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iResult = WSACleanup();
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ok(iResult == 0, "WSACleanup error occurred ending Winsock");
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Error = RegCloseKey(hKeyHN);
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ok(Error == ERROR_SUCCESS, "Error closing registry key (%ld).\n", GetLastError());
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return;
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}
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