summaryrefslogtreecommitdiffstats
path: root/other-licenses/7zstub/src/CPP/Windows/Registry.cpp
blob: 01466214023ccae4c01dea1520fea62629c3ba56 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
// Windows/Registry.cpp

#include "StdAfx.h"

#include <wchar.h>

#ifndef _UNICODE
#include "../Common/StringConvert.h"
#endif
#include "Registry.h"

#ifndef _UNICODE
extern bool g_IsNT;
#endif

namespace NWindows {
namespace NRegistry {

#define MYASSERT(expr) // _ASSERTE(expr)

LONG CKey::Create(HKEY parentKey, LPCTSTR keyName,
    LPTSTR keyClass, DWORD options, REGSAM accessMask,
    LPSECURITY_ATTRIBUTES securityAttributes, LPDWORD disposition) throw()
{
  MYASSERT(parentKey != NULL);
  DWORD dispositionReal;
  HKEY key = NULL;
  LONG res = RegCreateKeyEx(parentKey, keyName, 0, keyClass,
      options, accessMask, securityAttributes, &key, &dispositionReal);
  if (disposition != NULL)
    *disposition = dispositionReal;
  if (res == ERROR_SUCCESS)
  {
    res = Close();
    _object = key;
  }
  return res;
}

LONG CKey::Open(HKEY parentKey, LPCTSTR keyName, REGSAM accessMask) throw()
{
  MYASSERT(parentKey != NULL);
  HKEY key = NULL;
  LONG res = RegOpenKeyEx(parentKey, keyName, 0, accessMask, &key);
  if (res == ERROR_SUCCESS)
  {
    res = Close();
    MYASSERT(res == ERROR_SUCCESS);
    _object = key;
  }
  return res;
}

LONG CKey::Close() throw()
{
  LONG res = ERROR_SUCCESS;
  if (_object != NULL)
  {
    res = RegCloseKey(_object);
    _object = NULL;
  }
  return res;
}

// win95, win98: deletes sunkey and all its subkeys
// winNT to be deleted must not have subkeys
LONG CKey::DeleteSubKey(LPCTSTR subKeyName) throw()
{
  MYASSERT(_object != NULL);
  return RegDeleteKey(_object, subKeyName);
}

LONG CKey::RecurseDeleteKey(LPCTSTR subKeyName) throw()
{
  CKey key;
  LONG res = key.Open(_object, subKeyName, KEY_READ | KEY_WRITE);
  if (res != ERROR_SUCCESS)
    return res;
  FILETIME fileTime;
  const UInt32 kBufSize = MAX_PATH + 1; // 256 in ATL
  DWORD size = kBufSize;
  TCHAR buffer[kBufSize];
  while (RegEnumKeyEx(key._object, 0, buffer, &size, NULL, NULL, NULL, &fileTime) == ERROR_SUCCESS)
  {
    res = key.RecurseDeleteKey(buffer);
    if (res != ERROR_SUCCESS)
      return res;
    size = kBufSize;
  }
  key.Close();
  return DeleteSubKey(subKeyName);
}


/////////////////////////
// Value Functions

static inline UInt32 BoolToUINT32(bool value) {  return (value ? 1: 0); }
static inline bool UINT32ToBool(UInt32 value) {  return (value != 0); }


LONG CKey::DeleteValue(LPCTSTR name) throw()
{
  MYASSERT(_object != NULL);
  return ::RegDeleteValue(_object, name);
}

#ifndef _UNICODE
LONG CKey::DeleteValue(LPCWSTR name)
{
  MYASSERT(_object != NULL);
  if (g_IsNT)
    return ::RegDeleteValueW(_object, name);
  return DeleteValue(name == 0 ? 0 : (LPCSTR)GetSystemString(name));
}
#endif

LONG CKey::SetValue(LPCTSTR name, UInt32 value) throw()
{
  MYASSERT(_object != NULL);
  return RegSetValueEx(_object, name, 0, REG_DWORD,
      (BYTE * const)&value, sizeof(UInt32));
}

LONG CKey::SetValue(LPCTSTR name, bool value) throw()
{
  return SetValue(name, BoolToUINT32(value));
}

LONG CKey::SetValue(LPCTSTR name, LPCTSTR value) throw()
{
  MYASSERT(value != NULL);
  MYASSERT(_object != NULL);
  return RegSetValueEx(_object, name, 0, REG_SZ,
      (const BYTE * )value, (lstrlen(value) + 1) * sizeof(TCHAR));
}

/*
LONG CKey::SetValue(LPCTSTR name, const CSysString &value)
{
  MYASSERT(value != NULL);
  MYASSERT(_object != NULL);
  return RegSetValueEx(_object, name, NULL, REG_SZ,
      (const BYTE *)(const TCHAR *)value, (value.Len() + 1) * sizeof(TCHAR));
}
*/

#ifndef _UNICODE

LONG CKey::SetValue(LPCWSTR name, LPCWSTR value)
{
  MYASSERT(value != NULL);
  MYASSERT(_object != NULL);
  if (g_IsNT)
    return RegSetValueExW(_object, name, 0, REG_SZ,
      (const BYTE * )value, (DWORD)((wcslen(value) + 1) * sizeof(wchar_t)));
  return SetValue(name == 0 ? 0 : (LPCSTR)GetSystemString(name),
    value == 0 ? 0 : (LPCSTR)GetSystemString(value));
}

#endif


LONG CKey::SetValue(LPCTSTR name, const void *value, UInt32 size) throw()
{
  MYASSERT(value != NULL);
  MYASSERT(_object != NULL);
  return RegSetValueEx(_object, name, 0, REG_BINARY,
      (const BYTE *)value, size);
}

LONG SetValue(HKEY parentKey, LPCTSTR keyName, LPCTSTR valueName, LPCTSTR value)
{
  MYASSERT(value != NULL);
  CKey key;
  LONG res = key.Create(parentKey, keyName);
  if (res == ERROR_SUCCESS)
    res = key.SetValue(valueName, value);
  return res;
}

LONG CKey::SetKeyValue(LPCTSTR keyName, LPCTSTR valueName, LPCTSTR value) throw()
{
  MYASSERT(value != NULL);
  CKey key;
  LONG res = key.Create(_object, keyName);
  if (res == ERROR_SUCCESS)
    res = key.SetValue(valueName, value);
  return res;
}

LONG CKey::QueryValue(LPCTSTR name, UInt32 &value) throw()
{
  DWORD type = 0;
  DWORD count = sizeof(DWORD);
  LONG res = RegQueryValueEx(_object, (LPTSTR)name, NULL, &type,
    (LPBYTE)&value, &count);
  MYASSERT((res != ERROR_SUCCESS) || (type == REG_DWORD));
  MYASSERT((res != ERROR_SUCCESS) || (count == sizeof(UInt32)));
  return res;
}

LONG CKey::QueryValue(LPCTSTR name, bool &value) throw()
{
  UInt32 uintValue = BoolToUINT32(value);
  LONG res = QueryValue(name, uintValue);
  value = UINT32ToBool(uintValue);
  return res;
}

LONG CKey::GetValue_IfOk(LPCTSTR name, UInt32 &value) throw()
{
  UInt32 newVal;
  LONG res = QueryValue(name, newVal);
  if (res == ERROR_SUCCESS)
    value = newVal;
  return res;
}

LONG CKey::GetValue_IfOk(LPCTSTR name, bool &value) throw()
{
  bool newVal;
  LONG res = QueryValue(name, newVal);
  if (res == ERROR_SUCCESS)
    value = newVal;
  return res;
}

LONG CKey::QueryValue(LPCTSTR name, LPTSTR value, UInt32 &count) throw()
{
  DWORD type = 0;
  LONG res = RegQueryValueEx(_object, (LPTSTR)name, NULL, &type, (LPBYTE)value, (DWORD *)&count);
  MYASSERT((res != ERROR_SUCCESS) || (type == REG_SZ) || (type == REG_MULTI_SZ) || (type == REG_EXPAND_SZ));
  return res;
}

LONG CKey::QueryValue(LPCTSTR name, CSysString &value)
{
  value.Empty();
  DWORD type = 0;
  UInt32 curSize = 0;
  LONG res = RegQueryValueEx(_object, (LPTSTR)name, NULL, &type, NULL, (DWORD *)&curSize);
  if (res != ERROR_SUCCESS && res != ERROR_MORE_DATA)
    return res;
  UInt32 curSize2 = curSize;
  res = QueryValue(name, value.GetBuf(curSize), curSize2);
  if (curSize > curSize2)
    curSize = curSize2;
  value.ReleaseBuf_CalcLen(curSize / sizeof(TCHAR));
  return res;
}


#ifndef _UNICODE

LONG CKey::QueryValue(LPCWSTR name, LPWSTR value, UInt32 &count)
{
  DWORD type = 0;
  LONG res = RegQueryValueExW(_object, name, NULL, &type, (LPBYTE)value, (DWORD *)&count);
  MYASSERT((res != ERROR_SUCCESS) || (type == REG_SZ) || (type == REG_MULTI_SZ) || (type == REG_EXPAND_SZ));
  return res;
}

LONG CKey::QueryValue(LPCWSTR name, UString &value)
{
  value.Empty();
  DWORD type = 0;
  UInt32 curSize = 0;

  LONG res;

  if (g_IsNT)
  {
    res = RegQueryValueExW(_object, name, NULL, &type, NULL, (DWORD *)&curSize);
    if (res != ERROR_SUCCESS && res != ERROR_MORE_DATA)
      return res;
    UInt32 curSize2 = curSize;
    res = QueryValue(name, value.GetBuf(curSize), curSize2);
    if (curSize > curSize2)
      curSize = curSize2;
    value.ReleaseBuf_CalcLen(curSize / sizeof(wchar_t));
  }
  else
  {
    AString vTemp;
    res = QueryValue(name == 0 ? 0 : (LPCSTR)GetSystemString(name), vTemp);
    value = GetUnicodeString(vTemp);
  }
  
  return res;
}

#endif


LONG CKey::QueryValue(LPCTSTR name, void *value, UInt32 &count) throw()
{
  DWORD type = 0;
  LONG res = RegQueryValueEx(_object, (LPTSTR)name, NULL, &type, (LPBYTE)value, (DWORD *)&count);
  MYASSERT((res != ERROR_SUCCESS) || (type == REG_BINARY));
  return res;
}


LONG CKey::QueryValue(LPCTSTR name, CByteBuffer &value, UInt32 &dataSize)
{
  DWORD type = 0;
  dataSize = 0;
  LONG res = RegQueryValueEx(_object, (LPTSTR)name, NULL, &type, NULL, (DWORD *)&dataSize);
  if (res != ERROR_SUCCESS && res != ERROR_MORE_DATA)
    return res;
  value.Alloc(dataSize);
  return QueryValue(name, (BYTE *)value, dataSize);
}

LONG CKey::EnumKeys(CSysStringVector &keyNames)
{
  keyNames.Clear();
  CSysString keyName;
  for (DWORD index = 0; ; index++)
  {
    const unsigned kBufSize = MAX_PATH + 1; // 256 in ATL
    FILETIME lastWriteTime;
    UInt32 nameSize = kBufSize;
    LONG result = ::RegEnumKeyEx(_object, index, keyName.GetBuf(kBufSize),
        (DWORD *)&nameSize, NULL, NULL, NULL, &lastWriteTime);
    keyName.ReleaseBuf_CalcLen(kBufSize);
    if (result == ERROR_NO_MORE_ITEMS)
      break;
    if (result != ERROR_SUCCESS)
      return result;
    keyNames.Add(keyName);
  }
  return ERROR_SUCCESS;
}

LONG CKey::SetValue_Strings(LPCTSTR valueName, const UStringVector &strings)
{
  size_t numChars = 0;
  
  unsigned i;
  
  for (i = 0; i < strings.Size(); i++)
    numChars += strings[i].Len() + 1;
  
  CObjArray<wchar_t> buffer(numChars);
  size_t pos = 0;
  
  for (i = 0; i < strings.Size(); i++)
  {
    const UString &s = strings[i];
    size_t size = s.Len() + 1;
    wmemcpy(buffer + pos, s, size);
    pos += size;
  }
  return SetValue(valueName, buffer, (UInt32)numChars * sizeof(wchar_t));
}

LONG CKey::GetValue_Strings(LPCTSTR valueName, UStringVector &strings)
{
  strings.Clear();
  CByteBuffer buffer;
  UInt32 dataSize = 0;
  LONG res = QueryValue(valueName, buffer, dataSize);
  if (res != ERROR_SUCCESS)
    return res;
  if (dataSize > buffer.Size())
    return E_FAIL;
  if (dataSize % sizeof(wchar_t) != 0)
    return E_FAIL;

  const wchar_t *data = (const wchar_t *)(const Byte  *)buffer;
  size_t numChars = dataSize / sizeof(wchar_t);
  size_t prev = 0;
  UString s;
  
  for (size_t i = 0; i < numChars; i++)
  {
    if (data[i] == 0)
    {
      s = data + prev;
      strings.Add(s);
      prev = i + 1;
    }
  }
  
  return res;
}

}}