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
|
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
#include <registrar.hpp>
#include <wchar.h>
#include <objbase.h>
namespace {
HRESULT RegRead(HKEY hRootKey, const wchar_t* subKey, const wchar_t* valName, wchar_t* valData, size_t cchData)
{
HKEY hKey;
long iRetVal = RegCreateKeyExW(
hRootKey,
subKey,
0,
nullptr,
REG_OPTION_NON_VOLATILE,
KEY_READ,
nullptr,
&hKey,
nullptr);
if (iRetVal != ERROR_SUCCESS)
return HRESULT_FROM_WIN32(iRetVal);
DWORD cbData = cchData * sizeof(valData[0]);
DWORD dwType;
iRetVal = RegQueryValueExW(hKey, valName, nullptr, &dwType, reinterpret_cast<LPBYTE>(valData), &cbData);
RegCloseKey(hKey);
if ((iRetVal == ERROR_SUCCESS) && (dwType != REG_SZ))
{
return E_FAIL;
}
return HRESULT_FROM_WIN32(iRetVal);
}
HRESULT RegWrite(HKEY hRootKey, const wchar_t* subKey, const wchar_t* valName, const wchar_t* valData, HKEY *hKeyResult = nullptr)
{
HKEY hKey;
long iRetVal = RegCreateKeyExW(
hRootKey,
subKey,
0,
nullptr,
REG_OPTION_NON_VOLATILE,
KEY_WRITE,
nullptr,
&hKey,
nullptr);
if (iRetVal != ERROR_SUCCESS)
return HRESULT_FROM_WIN32(iRetVal);
if (valData)
{
DWORD cbData = static_cast<DWORD>(wcslen(valData)*sizeof(valData[0]));
iRetVal = RegSetValueExW(hKey, valName, 0, REG_SZ, reinterpret_cast<const BYTE *>(valData), cbData);
}
if (hKeyResult && (iRetVal == ERROR_SUCCESS))
*hKeyResult = hKey;
else
RegCloseKey(hKey);
return HRESULT_FROM_WIN32(iRetVal);
}
HRESULT RegDel(HKEY hRootKey, const wchar_t* subKey)
{
long iRetVal = RegDeleteKeyW(hRootKey, subKey);
return HRESULT_FROM_WIN32(iRetVal);
}
} // namespace
// see http://stackoverflow.com/questions/284619
// see https://msdn.microsoft.com/en-us/library/ms691424
// see https://msdn.microsoft.com/en-us/library/ms694514
Registrar::Registrar(REFIID riidCLSID)
{
m_ConstructionResult = (StringFromGUID2(riidCLSID, m_sCLSID, nGUIDlen) == 0) ?
E_UNEXPECTED: S_OK;
}
HRESULT Registrar::RegisterObject(REFIID riidTypeLib, const wchar_t* sProgram,
const wchar_t* sComponent, std::initializer_list<int> aVersions,
const wchar_t* Path)
{
if (!wcslen(sComponent) || !wcslen(sProgram))
return E_INVALIDARG;
if (FAILED(m_ConstructionResult))
return m_ConstructionResult;
// HKEY_CLASSES_ROOT
// \CLSID
// \{XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX}
// (default) = "MyLibrary MyControl Class"
// \InprocServer32
// (default) = "c:\foo\control.dll"
// ThreadingModel = "Apartment"
// \ProgID
// (default) = "MyLibrary.MyControl"
// \Programmable
// \TypeLib
// (default) = "{YYYYYYYY-YYYY-YYYY-YYYY-YYYYYYYYYYYY}"
wchar_t sBufKey[MAX_PATH];
wchar_t sBufVal[MAX_PATH];
// CLSID
swprintf(sBufKey, MAX_PATH, L"CLSID\\%s", m_sCLSID);
swprintf(sBufVal, MAX_PATH, L"%s %s Class", sProgram, sComponent);
HKEY hKeyCLSID;
HRESULT hr = RegWrite(HKEY_CLASSES_ROOT, sBufKey, L"", sBufVal, &hKeyCLSID);
if (FAILED(hr))
return hr;
{
class HKeyGuard {
public:
HKeyGuard(HKEY aKey) : m_hKey(aKey) {}
~HKeyGuard() { RegCloseKey(m_hKey); }
private:
HKEY m_hKey;
};
HKeyGuard hKeyCLSIDGuard(hKeyCLSID);
// InprocServer32
HKEY hKeyInprocServer32;
hr = RegWrite(hKeyCLSID, L"InprocServer32", L"", Path, &hKeyInprocServer32);
if (FAILED(hr))
return hr;
{
HKeyGuard hKeyInProcServer32Guard(hKeyInprocServer32);
hr = RegWrite(hKeyInprocServer32, L"", L"ThreadingModel", L"Apartment");
if (FAILED(hr))
return hr;
}
// ProgID
swprintf(sBufVal, MAX_PATH, L"%s.%s", sProgram, sComponent);
hr = RegWrite(hKeyCLSID, L"ProgID", L"", sBufVal);
if (FAILED(hr))
return hr;
// Programmable
hr = RegWrite(hKeyCLSID, L"Programmable", nullptr, nullptr);
if (FAILED(hr))
return hr;
// TypeLib
if (::StringFromGUID2(riidTypeLib, sBufVal, nGUIDlen) == 0)
return E_UNEXPECTED;
hr = RegWrite(hKeyCLSID, L"TypeLib", L"", sBufVal);
if (FAILED(hr))
return hr;
}
// ProgID
return RegisterProgIDs(sProgram, sComponent, aVersions);
}
HRESULT Registrar::UnRegisterObject(const wchar_t* sProgram, const wchar_t* sComponent,
std::initializer_list<int> aVersions)
{
if (FAILED(m_ConstructionResult))
return m_ConstructionResult;
// ProgID
UnRegisterProgIDs(sProgram, sComponent, aVersions);
// CLSID
wchar_t sBuf[MAX_PATH];
swprintf(sBuf, MAX_PATH, L"CLSID\\%s\\InProcServer32", m_sCLSID);
RegDel(HKEY_CLASSES_ROOT, sBuf);
swprintf(sBuf, MAX_PATH, L"CLSID\\%s\\ProgId", m_sCLSID);
RegDel(HKEY_CLASSES_ROOT, sBuf);
swprintf(sBuf, MAX_PATH, L"CLSID\\%s\\Programmable", m_sCLSID);
RegDel(HKEY_CLASSES_ROOT, sBuf);
swprintf(sBuf, MAX_PATH, L"CLSID\\%s\\TypeLib", m_sCLSID);
RegDel(HKEY_CLASSES_ROOT, sBuf);
swprintf(sBuf, MAX_PATH, L"CLSID\\%s", m_sCLSID);
RegDel(HKEY_CLASSES_ROOT, sBuf);
return S_OK;
}
HRESULT Registrar::RegisterProgID(const wchar_t* sProgram, const wchar_t* sComponent, int nVersion, bool bSetDefault)
{
// HKEY_CLASSES_ROOT
// \MyLibrary.MyControl
// (default) = "MyLibrary MyControl Class"
// \CurVer
// (default) = "MyLibrary.MyControl.1"
// \MyLibrary.MyControl.1
// (default) = "MyLibrary MyControl Class"
// \CLSID
// (default) = "{XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX}"
if (FAILED(m_ConstructionResult))
return m_ConstructionResult;
wchar_t sBufKey[MAX_PATH];
swprintf(sBufKey, MAX_PATH, L"%s.%s.%d", sProgram, sComponent, nVersion);
wchar_t sBufVal[MAX_PATH];
swprintf(sBufVal, MAX_PATH, L"%s %s Class", sProgram, sComponent);
RegWrite(HKEY_CLASSES_ROOT, sBufKey, L"", sBufVal);
swprintf(sBufKey, MAX_PATH, L"%s.%s.%d\\CLSID", sProgram, sComponent, nVersion);
HRESULT hr = RegWrite(HKEY_CLASSES_ROOT, sBufKey, L"", m_sCLSID);
if (SUCCEEDED(hr) && bSetDefault)
{
swprintf(sBufKey, MAX_PATH, L"%s.%s", sProgram, sComponent);
swprintf(sBufVal, MAX_PATH, L"%s %s Class", sProgram, sComponent);
hr = RegWrite(HKEY_CLASSES_ROOT, sBufKey, L"", sBufVal);
swprintf(sBufKey, MAX_PATH, L"%s.%s\\CurVer", sProgram, sComponent);
swprintf(sBufVal, MAX_PATH, L"%s.%s.%d", sProgram, sComponent, nVersion);
hr = RegWrite(HKEY_CLASSES_ROOT, sBufKey, L"", sBufVal);
}
return hr;
}
HRESULT Registrar::RegisterProgIDs(const wchar_t* sProgram, const wchar_t* sComponent,
std::initializer_list<int> aVersions)
{
HRESULT hr = S_OK;
bool bDefaultRegistered = false;
for (int nVersion : aVersions)
{
if (SUCCEEDED(hr))
{
hr = RegisterProgID(sProgram, sComponent, nVersion, !bDefaultRegistered);
bDefaultRegistered = true;
}
}
return hr;
}
HRESULT Registrar::UnRegisterProgID(const wchar_t* sProgram, const wchar_t* sComponent, int nVersion)
{
if (FAILED(m_ConstructionResult))
return m_ConstructionResult;
wchar_t sBuf[MAX_PATH];
swprintf(sBuf, MAX_PATH, L"%s.%s.%d\\CLSID", sProgram, sComponent, nVersion);
wchar_t sCurCLSID[nGUIDlen];
HRESULT hr = RegRead(HKEY_CLASSES_ROOT, sBuf, L"", sCurCLSID, nGUIDlen);
if (FAILED(hr))
return hr;
if (wcsncmp(sCurCLSID, m_sCLSID, nGUIDlen) != 0)
{
// The ProgID points to a different CLSID; most probably it's intercepted
// by a different application, so don't remove it
return S_FALSE;
}
RegDel(HKEY_CLASSES_ROOT, sBuf);
swprintf(sBuf, MAX_PATH, L"%s.%s.%d", sProgram, sComponent, nVersion);
hr = RegDel(HKEY_CLASSES_ROOT, sBuf);
wchar_t sBufKey[MAX_PATH];
swprintf(sBufKey, MAX_PATH, L"%s.%s\\CurVer", sProgram, sComponent);
wchar_t sBufVal[MAX_PATH];
if (SUCCEEDED(RegRead(HKEY_CLASSES_ROOT, sBufKey, L"", sBufVal, MAX_PATH)) && (wcsncmp(sBufVal, sBuf, MAX_PATH) == 0))
{
// Only unreg default if this version is current default
RegDel(HKEY_CLASSES_ROOT, sBufKey);
swprintf(sBuf, MAX_PATH, L"%s.%s", sProgram, sComponent);
HRESULT hr1 = RegDel(HKEY_CLASSES_ROOT, sBuf);
// Always return a failure result if we failed somewhere
if (FAILED(hr1))
hr = hr1;
}
return hr;
}
HRESULT Registrar::UnRegisterProgIDs(const wchar_t* sProgram, const wchar_t* sComponent,
std::initializer_list<int> aVersions)
{
HRESULT hr = S_OK;
// Try all ProgIDs regardless of error, but make sure to return failure result if some failed
for (int nVersion : aVersions)
{
HRESULT hrLast = UnRegisterProgID(sProgram, sComponent, nVersion);
if (SUCCEEDED(hr))
hr = hrLast;
}
return hr;
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|
