1 /*
2  * Copyright 2017-2018, 2021 Hugh McMaster
3  *
4  * This library is free software; you can redistribute it and/or
5  * modify it under the terms of the GNU Lesser General Public
6  * License as published by the Free Software Foundation; either
7  * version 2.1 of the License, or (at your option) any later version.
8  *
9  * This library is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
12  * Lesser General Public License for more details.
13  *
14  * You should have received a copy of the GNU Lesser General Public
15  * License along with this library; if not, write to the Free Software
16  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
17  */
18 
19 #include "reg_test.h"
20 
21 BOOL compare_export_(const char *file, unsigned line, const char *filename,
22                      const char *expected, DWORD todo)
23 {
24     FILE *fp;
25     long file_size;
26     WCHAR *fbuf = NULL, *wstr = NULL;
27     size_t len;
28     BOOL ret = FALSE;
29 
30     fp = fopen(filename, "rb");
31     if (!fp) return FALSE;
32 
33     if (fseek(fp, 0, SEEK_END)) goto error;
34     file_size = ftell(fp);
35     if (file_size == -1) goto error;
36     rewind(fp);
37 
38     fbuf = HeapAlloc(GetProcessHeap(), 0, file_size + sizeof(WCHAR));
39     if (!fbuf) goto error;
40 
41     fread(fbuf, file_size, 1, fp);
42     fbuf[file_size/sizeof(WCHAR)] = 0;
43     fclose(fp);
44 
45     len = MultiByteToWideChar(CP_UTF8, 0, expected, -1, NULL, 0);
46     wstr = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
47     if (!wstr) goto exit;
48     MultiByteToWideChar(CP_UTF8, 0, expected, -1, wstr, len);
49 
50     todo_wine_if (todo & TODO_REG_COMPARE)
51         lok(!lstrcmpW(fbuf, wstr), "export data does not match expected data\n");
52 
53     ret = delete_file_(file, line, filename);
54 
55 exit:
56     HeapFree(GetProcessHeap(), 0, fbuf);
57     HeapFree(GetProcessHeap(), 0, wstr);
58     return ret;
59 
60 error:
61     fclose(fp);
62     return FALSE;
63 }
64 
65 const char *empty_key_test =
66     "\xef\xbb\xbfWindows Registry Editor Version 5.00\r\n\r\n"
67     "[HKEY_CURRENT_USER\\" KEY_BASE "]\r\n\r\n";
68 
69 const char *simple_data_test =
70     "\xef\xbb\xbfWindows Registry Editor Version 5.00\r\n\r\n"
71     "[HKEY_CURRENT_USER\\" KEY_BASE "]\r\n"
72     "\"DWORD\"=dword:00000100\r\n"
73     "\"String\"=\"Your text here...\"\r\n\r\n";
74 
75 const char *complex_data_test =
76     "\xef\xbb\xbfWindows Registry Editor Version 5.00\r\n\r\n"
77     "[HKEY_CURRENT_USER\\" KEY_BASE "]\r\n"
78     "\"DWORD\"=dword:00000100\r\n"
79     "\"String\"=\"Your text here...\"\r\n\r\n"
80     "[HKEY_CURRENT_USER\\" KEY_BASE "\\Subkey1]\r\n"
81     "\"Binary\"=hex:11,22,33,44\r\n"
82     "\"Undefined hex\"=hex(100):25,50,41,54,48,25,00\r\n\r\n"
83     "[HKEY_CURRENT_USER\\" KEY_BASE "\\Subkey2a]\r\n"
84     "\"double\\\"quote\"=\"\\\"Hello, World!\\\"\"\r\n"
85     "\"single'quote\"=dword:00000008\r\n\r\n"
86     "[HKEY_CURRENT_USER\\" KEY_BASE "\\Subkey2a\\Subkey2b]\r\n"
87     "@=\"Default value name\"\r\n"
88     "\"Multiple strings\"=hex(7):4c,00,69,00,6e,00,65,00,31,00,00,00,4c,00,69,00,6e,\\\r\n"
89     "  00,65,00,32,00,00,00,4c,00,69,00,6e,00,65,00,33,00,00,00,00,00\r\n\r\n"
90     "[HKEY_CURRENT_USER\\" KEY_BASE "\\Subkey3a]\r\n"
91     "\"Backslash\"=\"Use \\\\\\\\ to escape a backslash\"\r\n\r\n"
92     "[HKEY_CURRENT_USER\\" KEY_BASE "\\Subkey3a\\Subkey3b]\r\n\r\n"
93     "[HKEY_CURRENT_USER\\" KEY_BASE "\\Subkey3a\\Subkey3b\\Subkey3c]\r\n"
94     "\"String expansion\"=hex(2):25,00,48,00,4f,00,4d,00,45,00,25,00,5c,00,25,00,50,\\\r\n"
95     "  00,41,00,54,00,48,00,25,00,00,00\r\n"
96     "\"Zero data type\"=hex(0):56,61,6c,75,65,00\r\n\r\n"
97     "[HKEY_CURRENT_USER\\" KEY_BASE "\\Subkey4]\r\n"
98     "@=dword:12345678\r\n"
99     "\"43981\"=hex(abcd):56,61,6c,75,65,00\r\n\r\n";
100 
101 const char *key_order_test =
102     "\xef\xbb\xbfWindows Registry Editor Version 5.00\r\n\r\n"
103     "[HKEY_CURRENT_USER\\" KEY_BASE "]\r\n\r\n"
104     "[HKEY_CURRENT_USER\\" KEY_BASE "\\Subkey1]\r\n\r\n"
105     "[HKEY_CURRENT_USER\\" KEY_BASE "\\Subkey2]\r\n\r\n";
106 
107 const char *value_order_test =
108     "\xef\xbb\xbfWindows Registry Editor Version 5.00\r\n\r\n"
109     "[HKEY_CURRENT_USER\\" KEY_BASE "]\r\n"
110     "\"Value 2\"=\"I was added first!\"\r\n"
111     "\"Value 1\"=\"I was added second!\"\r\n\r\n";
112 
113 const char *empty_hex_test =
114     "\xef\xbb\xbfWindows Registry Editor Version 5.00\r\n\r\n"
115     "[HKEY_CURRENT_USER\\" KEY_BASE "]\r\n"
116     "\"Wine1a\"=hex(0):\r\n"
117     "\"Wine1b\"=\"\"\r\n"
118     "\"Wine1c\"=hex(2):\r\n"
119     "\"Wine1d\"=hex:\r\n"
120     "\"Wine1e\"=hex(4):\r\n"
121     "\"Wine1f\"=hex(7):\r\n"
122     "\"Wine1g\"=hex(100):\r\n"
123     "\"Wine1h\"=hex(abcd):\r\n\r\n";
124 
125 const char *empty_hex_test2 =
126     "\xef\xbb\xbfWindows Registry Editor Version 5.00\r\n\r\n"
127     "[HKEY_CURRENT_USER\\" KEY_BASE "]\r\n"
128     "\"Wine2a\"=\"\"\r\n"
129     "\"Wine2b\"=hex:\r\n"
130     "\"Wine2c\"=hex(4):\r\n\r\n";
131 
132 const char *hex_types_test =
133     "\xef\xbb\xbfWindows Registry Editor Version 5.00\r\n\r\n"
134     "[HKEY_CURRENT_USER\\" KEY_BASE "]\r\n"
135     "\"Wine3a\"=\"Value\"\r\n"
136     "\"Wine3b\"=hex:12,34,56,78\r\n"
137     "\"Wine3c\"=dword:10203040\r\n\r\n";
138 
139 const char *embedded_null_test =
140     "\xef\xbb\xbfWindows Registry Editor Version 5.00\r\n\r\n"
141     "[HKEY_CURRENT_USER\\" KEY_BASE "]\r\n"
142     "\"Wine4a\"=dword:00000005\r\n"
143     "\"Wine4b\"=\"\"\r\n"
144     "\"Wine4c\"=\"Value\"\r\n"
145     "\"Wine4d\"=\"\"\r\n"
146     "\"Wine4e\"=dword:00000100\r\n"
147     "\"Wine4f\"=\"\"\r\n"
148     "\"Wine4g\"=\"Value2\"\r\n"
149     "\"Wine4h\"=\"abc\"\r\n\r\n";
150 
151 const char *slashes_test =
152     "\xef\xbb\xbfWindows Registry Editor Version 5.00\r\n\r\n"
153     "[HKEY_CURRENT_USER\\" KEY_BASE "]\r\n"
154     "\"count/up\"=\"one/two/three\"\r\n"
155     "\"\\\\foo\\\\bar\"=\"\"\r\n\r\n"
156     "[HKEY_CURRENT_USER\\" KEY_BASE "\\https://winehq.org]\r\n\r\n";
157 
158 const char *escaped_null_test =
159     "\xef\xbb\xbfWindows Registry Editor Version 5.00\r\n\r\n"
160     "[HKEY_CURRENT_USER\\" KEY_BASE "]\r\n"
161     "\"Wine5a\"=\"\\\\0\"\r\n"
162     "\"Wine5b\"=\"\\\\0\\\\0\"\r\n"
163     "\"Wine5c\"=\"Value1\\\\0\"\r\n"
164     "\"Wine5d\"=\"Value2\\\\0\\\\0\\\\0\\\\0\"\r\n"
165     "\"Wine5e\"=\"Value3\\\\0Value4\"\r\n"
166     "\"Wine5f\"=\"\\\\0Value5\"\r\n\r\n";
167 
168 const char *registry_view_test =
169     "\xef\xbb\xbfWindows Registry Editor Version 5.00\r\n\r\n"
170     "[HKEY_LOCAL_MACHINE\\" KEY_BASE "]\r\n"
171     "\"DWORD\"=dword:00000100\r\n"
172     "\"String\"=\"Your text here...\"\r\n\r\n"
173     "[HKEY_LOCAL_MACHINE\\" KEY_BASE "\\Subkey1]\r\n"
174     "\"Binary\"=hex:11,22,33,44\r\n"
175     "\"Undefined hex\"=hex(100):25,50,41,54,48,25,00\r\n\r\n";
176 
177 
178 /* Unit tests */
179 
180 static void test_command_syntax(void)
181 {
182     DWORD r;
183 
184     delete_tree(HKEY_CURRENT_USER, KEY_BASE, 0);
185 
186     run_reg_exe("reg export", &r);
187     ok(r == REG_EXIT_FAILURE, "got exit code %d, expected 1\n", r);
188 
189     run_reg_exe("reg export /?", &r);
190     ok(r == REG_EXIT_SUCCESS, "got exit code %d, expected 0\n", r);
191 
192     run_reg_exe("reg export /h", &r);
193     ok(r == REG_EXIT_SUCCESS, "got exit code %d, expected 0\n", r);
194 
195     run_reg_exe("reg export -H", &r);
196     ok(r == REG_EXIT_SUCCESS, "got exit code %d, expected 0\n", r);
197 
198     run_reg_exe("reg export \\\\remote-pc\\HKLM\\Wine file.reg", &r);
199     ok(r == REG_EXIT_FAILURE, "got exit code %d, expected 1\n", r);
200 
201     run_reg_exe("reg export HKEY_DYN_DATA file.reg", &r);
202     ok(r == REG_EXIT_FAILURE, "got exit code %d, expected 1\n", r);
203 
204     run_reg_exe("reg export HKDD file.reg", &r);
205     ok(r == REG_EXIT_FAILURE, "got exit code %d, expected 1\n", r);
206 
207     run_reg_exe("reg export HKEY_CURRENT_USER\\" KEY_BASE, &r);
208     ok(r == REG_EXIT_FAILURE, "got exit code %d, expected 1\n", r);
209 
210     run_reg_exe("reg export file.reg", &r);
211     ok(r == REG_EXIT_FAILURE, "got exit code %d, expected 1\n", r);
212 
213     run_reg_exe("reg export file.reg HKEY_CURRENT_USER\\" KEY_BASE, &r);
214     ok(r == REG_EXIT_FAILURE, "got exit code %d, expected 1\n", r);
215 
216     run_reg_exe("reg export HKEY_CURRENT_USER\\" KEY_BASE, &r);
217     ok(r == REG_EXIT_FAILURE, "got exit code %d, expected 1\n", r);
218 
219     /* This test fails because the registry key doesn't exist */
220     run_reg_exe("reg export HKEY_CURRENT_USER\\" KEY_BASE " file.reg", &r);
221     ok(r == REG_EXIT_FAILURE, "got exit code %d, expected 1\n", r);
222 
223     run_reg_exe("reg export HKEY_CURRENT_USER\\" KEY_BASE " file.reg file2.reg", &r);
224     ok(r == REG_EXIT_FAILURE, "got exit code %d, expected 1\n", r);
225 
226     run_reg_exe("reg export HKEY_CURRENT_USER\\" KEY_BASE " file.reg /reg:32 /reg:32", &r);
227     ok(r == REG_EXIT_FAILURE, "got exit code %d, expected 1\n", r);
228 
229     run_reg_exe("reg export HKEY_CURRENT_USER\\" KEY_BASE " file.reg /reg:32 /reg:64", &r);
230     ok(r == REG_EXIT_FAILURE, "got exit code %d, expected 1\n", r);
231 
232     run_reg_exe("reg export HKEY_CURRENT_USER\\" KEY_BASE " file.reg /reg:64 /reg:64", &r);
233     ok(r == REG_EXIT_FAILURE, "got exit code %d, expected 1\n", r);
234 }
235 
236 static void test_export(void)
237 {
238     LONG err;
239     DWORD r, dword, type, size;
240     HKEY hkey, subkey;
241     BYTE hex[4], buffer[8];
242 
243     delete_tree(HKEY_CURRENT_USER, KEY_BASE, 0);
244 
245     /* Test registry export with an empty key */
246     add_key(HKEY_CURRENT_USER, KEY_BASE, 0, &hkey);
247 
248     run_reg_exe("reg export HKEY_CURRENT_USER\\" KEY_BASE " file.reg", &r);
249     ok(r == REG_EXIT_SUCCESS, "got exit code %d, expected 0\n", r);
250     ok(compare_export("file.reg", empty_key_test, 0), "compare_export() failed\n");
251 
252     run_reg_exe("reg export /y HKEY_CURRENT_USER\\" KEY_BASE " file.reg", &r);
253     ok(r == REG_EXIT_FAILURE, "got exit code %d, expected 1\n", r);
254 
255     run_reg_exe("reg export HKEY_CURRENT_USER\\" KEY_BASE " /y file.reg", &r);
256     ok(r == REG_EXIT_FAILURE, "got exit code %d, expected 1\n", r);
257 
258     run_reg_exe("reg export HKEY_CURRENT_USER\\" KEY_BASE " file.reg /y", &r);
259     ok(r == REG_EXIT_SUCCESS || broken(r == REG_EXIT_FAILURE), /* winxp */
260        "got exit code %d, expected 0\n", r);
261     ok(compare_export("file.reg", empty_key_test, 0), "compare_export() failed\n");
262 
263     /* Test registry export with a simple data structure */
264     dword = 0x100;
265     add_value(hkey, "DWORD", REG_DWORD, &dword, sizeof(dword));
266     add_value(hkey, "String", REG_SZ, "Your text here...", 18);
267 
268     run_reg_exe("reg export HKEY_CURRENT_USER\\" KEY_BASE " file.reg /y", &r);
269     ok(r == REG_EXIT_SUCCESS, "got exit code %d, expected 0\n", r);
270     ok(compare_export("file.reg", simple_data_test, 0), "compare_export() failed\n");
271 
272     /* Test whether a .reg file extension is required when exporting */
273     run_reg_exe("reg export HKEY_CURRENT_USER\\" KEY_BASE " foo /y", &r);
274     ok(r == REG_EXIT_SUCCESS, "got exit code %d, expected 0\n", r);
275     ok(compare_export("foo", simple_data_test, 0), "compare_export() failed\n");
276 
277     /* Test registry export with a complex data structure */
278     add_key(hkey, "Subkey1", 0, &subkey);
279     add_value(subkey, "Binary", REG_BINARY, "\x11\x22\x33\x44", 4);
280     add_value(subkey, "Undefined hex", 0x100, "%PATH%", 7);
281     close_key(subkey);
282 
283     add_key(hkey, "Subkey2a", 0, &subkey);
284     add_value(subkey, "double\"quote", REG_SZ, "\"Hello, World!\"", 16);
285     dword = 0x8;
286     add_value(subkey, "single'quote", REG_DWORD, &dword, sizeof(dword));
287     close_key(subkey);
288 
289     add_key(hkey, "Subkey2a\\Subkey2b", 0, &subkey);
290     add_value(subkey, NULL, REG_SZ, "Default value name", 19);
291     add_value(subkey, "Multiple strings", REG_MULTI_SZ, "Line1\0Line2\0Line3\0", 19);
292     close_key(subkey);
293 
294     add_key(hkey, "Subkey3a", 0, &subkey);
295     add_value(subkey, "Backslash", REG_SZ, "Use \\\\ to escape a backslash", 29);
296     close_key(subkey);
297 
298     add_key(hkey, "Subkey3a\\Subkey3b\\Subkey3c", 0, &subkey);
299     add_value(subkey, "String expansion", REG_EXPAND_SZ, "%HOME%\\%PATH%", 14);
300     add_value(subkey, "Zero data type", REG_NONE, "Value", 6);
301     close_key(subkey);
302 
303     add_key(hkey, "Subkey4", 0, &subkey);
304     dword = 0x12345678;
305     add_value(subkey, NULL, REG_DWORD, &dword, sizeof(dword));
306     add_value(subkey, "43981", 0xabcd, "Value", 6);
307     close_key(subkey);
308 
309     close_key(hkey);
310 
311     run_reg_exe("reg export HKEY_CURRENT_USER\\" KEY_BASE " file.reg /y", &r);
312     ok(r == REG_EXIT_SUCCESS, "got exit code %d, expected 0\n", r);
313     ok(compare_export("file.reg", complex_data_test, 0), "compare_export() failed\n");
314     delete_tree(HKEY_CURRENT_USER, KEY_BASE, 0);
315 
316     /* Test the export order of registry keys */
317     add_key(HKEY_CURRENT_USER, KEY_BASE, 0, &hkey);
318     add_key(hkey, "Subkey2", 0, NULL);
319     add_key(hkey, "Subkey1", 0, NULL);
320 
321     run_reg_exe("reg export HKEY_CURRENT_USER\\" KEY_BASE " file.reg /y", &r);
322     ok(r == REG_EXIT_SUCCESS, "got exit code %d, expected 0\n", r);
323     ok(compare_export("file.reg", key_order_test, 0), "compare_export() failed\n");
324     delete_key(hkey, "Subkey1", 0);
325     delete_key(hkey, "Subkey2", 0);
326 
327     /* Test the export order of registry values. Windows exports registry values
328      * in order of creation; Wine uses alphabetical order.
329      */
330     add_value(hkey, "Value 2", REG_SZ, "I was added first!", 19);
331     add_value(hkey, "Value 1", REG_SZ, "I was added second!", 20);
332     close_key(hkey);
333 
334     run_reg_exe("reg export HKEY_CURRENT_USER\\" KEY_BASE " file.reg /y", &r);
335     ok(r == REG_EXIT_SUCCESS, "got exit code %d, expected 0\n", r);
336     ok(compare_export("file.reg", value_order_test, TODO_REG_COMPARE), "compare_export() failed\n");
337     delete_key(HKEY_CURRENT_USER, KEY_BASE, 0);
338 
339     /* Test registry export with empty hex data */
340     add_key(HKEY_CURRENT_USER, KEY_BASE, 0, &hkey);
341     add_value(hkey, "Wine1a", REG_NONE, NULL, 0);
342     add_value(hkey, "Wine1b", REG_SZ, NULL, 0);
343     add_value(hkey, "Wine1c", REG_EXPAND_SZ, NULL, 0);
344     add_value(hkey, "Wine1d", REG_BINARY, NULL, 0);
345     add_value(hkey, "Wine1e", REG_DWORD, NULL, 0);
346     add_value(hkey, "Wine1f", REG_MULTI_SZ, NULL, 0);
347     add_value(hkey, "Wine1g", 0x100, NULL, 0);
348     add_value(hkey, "Wine1h", 0xabcd, NULL, 0);
349     close_key(hkey);
350 
351     run_reg_exe("reg export HKEY_CURRENT_USER\\" KEY_BASE " file.reg /y", &r);
352     ok(r == REG_EXIT_SUCCESS, "got exit code %d, expected 0\n", r);
353     ok(compare_export("file.reg", empty_hex_test, 0), "compare_export() failed\n");
354     delete_key(HKEY_CURRENT_USER, KEY_BASE, 0);
355 
356     /* Test registry export after importing alternative registry data types */
357     test_import_wstr("\xef\xbb\xbfWindows Registry Editor Version 5.00\n\n"
358                      "[HKEY_CURRENT_USER\\" KEY_BASE "]\n"
359                      "\"Wine2a\"=hex(1):\n"
360                      "\"Wine2b\"=hex(3):\n"
361                      "\"Wine2c\"=hex(4):\n\n", &r);
362     ok(r == REG_EXIT_SUCCESS, "got exit code %d, expected 0\n", r);
363     open_key(HKEY_CURRENT_USER, KEY_BASE, 0, &hkey);
364     verify_reg(hkey, "Wine2a", REG_SZ, NULL, 0, 0);
365     verify_reg(hkey, "Wine2b", REG_BINARY, NULL, 0, 0);
366     verify_reg(hkey, "Wine2c", REG_DWORD, NULL, 0, 0);
367     close_key(hkey);
368 
369     run_reg_exe("reg export HKEY_CURRENT_USER\\" KEY_BASE " file.reg /y", &r);
370     ok(r == REG_EXIT_SUCCESS, "got exit code %d, expected 0\n", r);
371     ok(compare_export("file.reg", empty_hex_test2, 0), "compare_export() failed\n");
372     delete_key(HKEY_CURRENT_USER, KEY_BASE, 0);
373 
374     test_import_wstr("\xef\xbb\xbfWindows Registry Editor Version 5.00\n\n"
375                      "[HKEY_CURRENT_USER\\" KEY_BASE "]\n"
376                      "\"Wine3a\"=hex(1):56,00,61,00,6c,00,75,00,65,00,00,00\n"
377                      "\"Wine3b\"=hex(3):12,34,56,78\n"
378                      "\"Wine3c\"=hex(4):40,30,20,10\n\n", &r);
379     ok(r == REG_EXIT_SUCCESS, "got exit code %d, expected 0\n", r);
380     open_key(HKEY_CURRENT_USER, KEY_BASE, 0, &hkey);
381     verify_reg(hkey, "Wine3a", REG_SZ, "Value", 6, 0);
382     memcpy(hex, "\x12\x34\x56\x78", 4);
383     verify_reg(hkey, "Wine3b", REG_BINARY, hex, 4, 0);
384     dword = 0x10203040;
385     verify_reg(hkey, "Wine3c", REG_DWORD, &dword, sizeof(dword), 0);
386     close_key(hkey);
387 
388     run_reg_exe("reg export HKEY_CURRENT_USER\\" KEY_BASE " file.reg /y", &r);
389     ok(r == REG_EXIT_SUCCESS, "got exit code %d, expected 0\n", r);
390     ok(compare_export("file.reg", hex_types_test, 0), "compare_export() failed\n");
391     delete_key(HKEY_CURRENT_USER, KEY_BASE, 0);
392 
393     /* Test registry export with embedded null characters */
394     test_import_wstr("\xef\xbb\xbfWindows Registry Editor Version 5.00\n\n"
395                      "[HKEY_CURRENT_USER\\" KEY_BASE "]\n"
396                      "\"Wine4a\"=dword:00000005\n"
397                      "\"Wine4b\"=hex(1):00,00,00,00,00,00,00,00\n"
398                      "\"Wine4c\"=\"Value\"\n"
399                      "\"Wine4d\"=hex(1):00,00,61,00,62,00,63,00\n"
400                      "\"Wine4e\"=dword:00000100\n"
401                      "\"Wine4f\"=hex(1):00,00,56,00,61,00,6c,00,75,00,65,00,00,00\n"
402                      "\"Wine4g\"=\"Value2\"\n"
403                      "\"Wine4h\"=hex(1):61,00,62,00,63,00,00,00, \\\n"
404                      "  64,00,65,00,66,00,00,00\n\n", &r);
405     ok(r == REG_EXIT_SUCCESS, "got exit code %d, expected 0\n", r);
406     open_key(HKEY_CURRENT_USER, KEY_BASE, 0, &hkey);
407     dword = 0x5;
408     verify_reg(hkey, "Wine4a", REG_DWORD, &dword, sizeof(dword), 0);
409     verify_reg(hkey, "Wine4b", REG_SZ, "\0\0\0\0\0\0\0", 4, 0);
410     verify_reg(hkey, "Wine4c", REG_SZ, "Value", 6, 0);
411     /* Wine4d */
412     size = sizeof(buffer);
413     err = RegQueryValueExA(hkey, "Wine4d", NULL, &type, (BYTE *)&buffer, &size);
414     ok(err == ERROR_SUCCESS, "RegQueryValueExA failed: %d\n", err);
415     ok(type == REG_SZ, "got wrong type %u, expected %u\n", type, REG_SZ);
416     ok(size == 5 || broken(size == 4) /* WinXP */, "got wrong size %u, expected 5\n", size);
417     ok(memcmp(buffer, "\0abc", size) == 0, "got wrong data\n");
418     dword = 0x100;
419     verify_reg(hkey, "Wine4e", REG_DWORD, &dword, sizeof(dword), 0);
420     verify_reg(hkey, "Wine4f", REG_SZ, "\0Value", 7, 0);
421     verify_reg(hkey, "Wine4g", REG_SZ, "Value2", 7, 0);
422     verify_reg(hkey, "Wine4h", REG_SZ, "abc\0def", 8, 0);
423     close_key(hkey);
424 
425     run_reg_exe("reg export HKEY_CURRENT_USER\\" KEY_BASE " file.reg /y", &r);
426     ok(r == REG_EXIT_SUCCESS, "got exit code %d, expected 0\n", r);
427     ok(compare_export("file.reg", embedded_null_test, 0), "compare_export() failed\n");
428     delete_key(HKEY_CURRENT_USER, KEY_BASE, 0);
429 
430     /* Test registry export with forward and back slashes */
431     add_key(HKEY_CURRENT_USER, KEY_BASE, 0, &hkey);
432     add_key(hkey, "https://winehq.org", 0, NULL);
433     add_value(hkey, "count/up", REG_SZ, "one/two/three", 14);
434     add_value(hkey, "\\foo\\bar", REG_SZ, "", 1);
435     close_key(hkey);
436 
437     run_reg_exe("reg export HKEY_CURRENT_USER\\" KEY_BASE " file.reg /y", &r);
438     ok(r == REG_EXIT_SUCCESS, "got exit code %d, expected 0\n", r);
439     ok(compare_export("file.reg", slashes_test, TODO_REG_COMPARE), "compare_export() failed\n");
440     delete_tree(HKEY_CURRENT_USER, KEY_BASE, 0);
441 
442     /* Test escaped null characters */
443     add_key(HKEY_CURRENT_USER, KEY_BASE, 0, &hkey);
444     add_value(hkey, "Wine5a", REG_SZ, "\\0", 3);
445     add_value(hkey, "Wine5b", REG_SZ, "\\0\\0", 5);
446     add_value(hkey, "Wine5c", REG_SZ, "Value1\\0", 9);
447     add_value(hkey, "Wine5d", REG_SZ, "Value2\\0\\0\\0\\0", 15);
448     add_value(hkey, "Wine5e", REG_SZ, "Value3\\0Value4", 15);
449     add_value(hkey, "Wine5f", REG_SZ, "\\0Value5", 9);
450     close_key(hkey);
451 
452     run_reg_exe("reg export HKEY_CURRENT_USER\\" KEY_BASE " file.reg /y", &r);
453     ok(r == REG_EXIT_SUCCESS, "got exit code %d, expected 0\n", r);
454     ok(compare_export("file.reg", escaped_null_test, 0), "compare_export() failed\n");
455     delete_tree(HKEY_CURRENT_USER, KEY_BASE, 0);
456 }
457 
458 #if 0
459 static void create_test_key(REGSAM sam)
460 {
461     HKEY hkey, subkey;
462     DWORD dword = 0x100;
463 
464     add_key(HKEY_LOCAL_MACHINE, KEY_BASE, sam, &hkey);
465     add_value(hkey, "DWORD", REG_DWORD, &dword, sizeof(dword));
466     add_value(hkey, "String", REG_SZ, "Your text here...", 18);
467 
468     add_key(hkey, "Subkey1", sam, &subkey);
469     add_value(subkey, "Binary", REG_BINARY, "\x11\x22\x33\x44", 4);
470     add_value(subkey, "Undefined hex", 0x100, "%PATH%", 7);
471     close_key(subkey);
472 
473     close_key(hkey);
474 }
475 
476 static void test_registry_view_win32(void)
477 {
478     DWORD r;
479     BOOL is_wow64, is_win32;
480 
481     IsWow64Process(GetCurrentProcess(), &is_wow64);
482     is_win32 = !is_wow64 && (sizeof(void *) == sizeof(int));
483 
484     if (!is_win32) return;
485 
486     delete_tree(HKEY_LOCAL_MACHINE, KEY_BASE, KEY_WOW64_32KEY);
487 
488     /* Try exporting from the 32-bit registry view (32-bit Windows) */
489     create_test_key(KEY_WOW64_32KEY);
490 
491     run_reg_exe("reg export HKEY_LOCAL_MACHINE\\" KEY_BASE " file.reg /y /reg:32", &r);
492     ok(r == REG_EXIT_SUCCESS, "got exit code %d, expected 0\n", r);
493     ok(compare_export("file.reg", registry_view_test, 0), "compare_export() failed\n");
494 
495     run_reg_exe("reg export HKEY_LOCAL_MACHINE\\" KEY_BASE " file.reg /y /reg:64", &r);
496     ok(r == REG_EXIT_SUCCESS, "got exit code %d, expected 0\n", r);
497     ok(compare_export("file.reg", registry_view_test, 0), "compare_export() failed\n");
498 
499     delete_tree(HKEY_LOCAL_MACHINE, KEY_BASE, KEY_WOW64_32KEY);
500 
501     /* Try exporting from the 64-bit registry view, which doesn't exist on 32-bit Windows */
502     create_test_key(KEY_WOW64_64KEY);
503 
504     run_reg_exe("reg export HKEY_LOCAL_MACHINE\\" KEY_BASE " file.reg /y /reg:64", &r);
505     ok(r == REG_EXIT_SUCCESS, "got exit code %d, expected 0\n", r);
506     ok(compare_export("file.reg", registry_view_test, 0), "compare_export() failed\n");
507 
508     run_reg_exe("reg export HKEY_LOCAL_MACHINE\\" KEY_BASE " file.reg /y /reg:32", &r);
509     ok(r == REG_EXIT_SUCCESS, "got exit code %d, expected 0\n", r);
510     ok(compare_export("file.reg", registry_view_test, 0), "compare_export() failed\n");
511 
512     delete_tree(HKEY_LOCAL_MACHINE, KEY_BASE, KEY_WOW64_64KEY);
513 }
514 
515 static void test_registry_view_win64(void)
516 {
517     DWORD r;
518     BOOL is_wow64, is_win64;
519 
520     IsWow64Process(GetCurrentProcess(), &is_wow64);
521     is_win64 = !is_wow64 && (sizeof(void *) > sizeof(int));
522 
523     if (!is_win64) return;
524 
525     delete_tree(HKEY_LOCAL_MACHINE, KEY_BASE, KEY_WOW64_32KEY);
526 
527     /* Try exporting from the 32-bit registry view (64-bit Windows) */
528     create_test_key(KEY_WOW64_32KEY);
529     verify_key_nonexist(HKEY_LOCAL_MACHINE, KEY_BASE, KEY_WOW64_64KEY);
530 
531     run_reg_exe("reg export HKEY_LOCAL_MACHINE\\" KEY_BASE " file.reg /y /reg:32", &r);
532     ok(r == REG_EXIT_SUCCESS, "got exit code %d, expected 0\n", r);
533     ok(compare_export("file.reg", registry_view_test, 0), "compare_export() failed\n");
534 
535     run_reg_exe("reg export HKEY_LOCAL_MACHINE\\" KEY_BASE " file.reg /y /reg:64", &r);
536     ok(r == REG_EXIT_FAILURE, "got exit code %d, expected 1\n", r);
537 
538     delete_tree(HKEY_LOCAL_MACHINE, KEY_BASE, KEY_WOW64_32KEY);
539     delete_tree(HKEY_LOCAL_MACHINE, KEY_BASE, KEY_WOW64_64KEY);
540 
541     /* Try exporting from the 64-bit registry view (64-bit Windows) */
542     create_test_key(KEY_WOW64_64KEY);
543     verify_key_nonexist(HKEY_LOCAL_MACHINE, KEY_BASE, KEY_WOW64_32KEY);
544 
545     run_reg_exe("reg export HKEY_LOCAL_MACHINE\\" KEY_BASE " file.reg /y /reg:64", &r);
546     ok(r == REG_EXIT_SUCCESS, "got exit code %d, expected 0\n", r);
547     ok(compare_export("file.reg", registry_view_test, 0), "compare_export() failed\n");
548 
549     run_reg_exe("reg export HKEY_LOCAL_MACHINE\\" KEY_BASE " file.reg /y /reg:32", &r);
550     ok(r == REG_EXIT_FAILURE, "got exit code %d, expected 1\n", r);
551 
552     delete_tree(HKEY_LOCAL_MACHINE, KEY_BASE, KEY_WOW64_64KEY);
553 }
554 
555 static void test_registry_view_wow64(void)
556 {
557     DWORD r;
558     BOOL is_wow64;
559 
560     IsWow64Process(GetCurrentProcess(), &is_wow64);
561 
562     if (!is_wow64) return;
563 
564     delete_tree(HKEY_LOCAL_MACHINE, KEY_BASE, KEY_WOW64_32KEY);
565 
566     /* Try exporting from the 32-bit registry view (WOW64) */
567     create_test_key(KEY_WOW64_32KEY);
568     verify_key_nonexist(HKEY_LOCAL_MACHINE, KEY_BASE, KEY_WOW64_64KEY);
569 
570     run_reg_exe("reg export HKEY_LOCAL_MACHINE\\" KEY_BASE " file.reg /y /reg:32", &r);
571     ok(r == REG_EXIT_SUCCESS, "got exit code %d, expected 0\n", r);
572     ok(compare_export("file.reg", registry_view_test, 0), "compare_export() failed\n");
573 
574     run_reg_exe("reg export HKEY_LOCAL_MACHINE\\" KEY_BASE " file.reg /y /reg:64", &r);
575     ok(r == REG_EXIT_FAILURE, "got exit code %d, expected 1\n", r);
576 
577     delete_tree(HKEY_LOCAL_MACHINE, KEY_BASE, KEY_WOW64_32KEY);
578     delete_tree(HKEY_LOCAL_MACHINE, KEY_BASE, KEY_WOW64_64KEY);
579 
580     /* Try exporting from the 64-bit registry view (WOW64) */
581     create_test_key(KEY_WOW64_64KEY);
582     verify_key_nonexist(HKEY_LOCAL_MACHINE, KEY_BASE, KEY_WOW64_32KEY);
583 
584     run_reg_exe("reg export HKEY_LOCAL_MACHINE\\" KEY_BASE " file.reg /y /reg:64", &r);
585     ok(r == REG_EXIT_SUCCESS, "got exit code %d, expected 0\n", r);
586     ok(compare_export("file.reg", registry_view_test, 0), "compare_export() failed\n");
587 
588     run_reg_exe("reg export HKEY_LOCAL_MACHINE\\" KEY_BASE " file.reg /y /reg:32", &r);
589     ok(r == REG_EXIT_FAILURE, "got exit code %d, expected 1\n", r);
590 
591     delete_tree(HKEY_LOCAL_MACHINE, KEY_BASE, KEY_WOW64_64KEY);
592 }
593 #endif
594 
595 START_TEST(export)
596 {
597     DWORD r;
598 
599     if (!run_reg_exe("reg.exe /?", &r)) {
600         win_skip("reg.exe not available, skipping 'export' tests\n");
601         return;
602     }
603 
604     test_command_syntax();
605     test_export();
606 
607     /* Check if reg.exe is running with elevated privileges */
608     if (!is_elevated_process())
609     {
610         win_skip("reg.exe is not running with elevated privileges; "
611                  "skipping registry view tests\n");
612         return;
613     }
614 
615 #if 0
616     test_registry_view_win32();
617     test_registry_view_win64();
618     test_registry_view_wow64();
619 #endif
620 
621 }
622