-
Notifications
You must be signed in to change notification settings - Fork 0
/
classfactory.cpp
375 lines (309 loc) · 9.16 KB
/
classfactory.cpp
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
/*
+----------------------------------------------------------------------+
| PHP Version 5 |
+----------------------------------------------------------------------+
| Copyright (c) 1997-2004 The PHP Group |
+----------------------------------------------------------------------+
| This source file is subject to version 3.0 of the PHP license, |
| that is bundled with this package in the file LICENSE, and is |
| available through the world-wide-web at the following url: |
| http://www.php.net/license/3_0.txt. |
| If you did not receive a copy of the PHP license and are unable to |
| obtain it through the world-wide-web, please send a note to |
| license@php.net so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
| Authors: Wez Furlong <wez@thebrainroom.com> |
+----------------------------------------------------------------------+
*/
/* $Id$ */
/* IClassFactory Implementation, and DllXXX function implementation */
#define DEBUG_CLASS_FACTORY 0
#define WIN32_LEAN_AND_MEAN
#include <winsock2.h>
#include <windows.h>
#include <objbase.h>
#define INITGUID
#include <initguid.h>
extern "C" {
HINSTANCE module_handle;
}
#include <comcat.h>
//#include "TSRM.h"
#define _INC_MATH //make math.lib not re-include
#include "php5as_classfactory.h"
#include "php5as_scriptengine.h"
volatile LONG TPHPClassFactory::factory_count = 0;
volatile LONG TPHPClassFactory::object_count = 0;
/* {{{ Class Factory Implementation */
TPHPClassFactory::TPHPClassFactory()
{
m_refcount = 1;
InterlockedIncrement(const_cast<long*> (&factory_count));
}
TPHPClassFactory::~TPHPClassFactory()
{
InterlockedDecrement(const_cast<long*> (&factory_count));
}
void TPHPClassFactory::AddToObjectCount(void)
{
InterlockedIncrement(const_cast<long*> (&object_count));
}
void TPHPClassFactory::RemoveFromObjectCount(void)
{
InterlockedDecrement(const_cast<long*> (&object_count));
}
STDMETHODIMP_(DWORD) TPHPClassFactory::AddRef(void)
{
return InterlockedIncrement(const_cast<long*> (&m_refcount));
}
STDMETHODIMP_(DWORD) TPHPClassFactory::Release(void)
{
DWORD ret = InterlockedDecrement(const_cast<long*> (&m_refcount));
if (ret == 0)
delete this;
return ret;
}
STDMETHODIMP TPHPClassFactory::QueryInterface(REFIID iid, void **ppvObject)
{
*ppvObject = NULL;
if (IsEqualGUID(IID_IClassFactory, iid)) {
*ppvObject = (IClassFactory*)this;
} else if (IsEqualGUID(IID_IUnknown, iid)) {
*ppvObject = this;
}
if (*ppvObject) {
AddRef();
return S_OK;
}
return E_NOINTERFACE;
}
STDMETHODIMP TPHPClassFactory::LockServer(BOOL fLock)
{
return E_NOTIMPL;
}
STDMETHODIMP TPHPClassFactory::CreateInstance(IUnknown *pUnkOuter, REFIID iid, void **ppvObject)
{
IUnknown *punk = create_scripting_engine(NULL);
HRESULT ret;
if (punk) {
ret = punk->QueryInterface(iid, ppvObject);
punk->Release();
} else {
ret = E_UNEXPECTED;
}
return ret;
}
int TPHPClassFactory::CanUnload(void)
{
return (object_count + factory_count) == 0 ? 1 : 0;
}
/* }}} */
/* {{{ Registration structures */
struct reg_entry {
HKEY root_key;
char *sub_key;
char *value_name;
char *data;
};
struct reg_class {
/* REFIID here causes compilation errors */
const GUID *class_id;
char *class_name;
char *threading;
const struct reg_entry *reg;
const GUID **cats;
};
#define MAX_REG_SUBST 8
struct reg_subst {
int count;
char *names[MAX_REG_SUBST];
char *values[MAX_REG_SUBST];
};
/* }}} */
/* {{{ Registration information */
/* This registers the sapi as a scripting engine that can be instantiated using it's progid */
static const struct reg_entry engine_entries[] = {
{ HKEY_CLASSES_ROOT, "CLSID\\[CLSID]", NULL, "[CLASSNAME]" },
{ HKEY_CLASSES_ROOT, "CLSID\\[CLSID]\\InprocServer32", NULL, "[MODULENAME]" },
{ HKEY_CLASSES_ROOT, "CLSID\\[CLSID]\\InprocServer32", "ThreadingModel", "[THREADING]" },
{ HKEY_CLASSES_ROOT, "CLSID\\[CLSID]\\OLEScript", NULL, NULL },
{ HKEY_CLASSES_ROOT, "CLSID\\[CLSID]\\ProgID", NULL, "PDAScript" },
{ HKEY_CLASSES_ROOT, "PDAScript", NULL, "PDAScript" },
{ HKEY_CLASSES_ROOT, "PDAScript\\CLSID", NULL, "[CLSID]"},
{ HKEY_CLASSES_ROOT, "PDAScript\\OLEScript", NULL, NULL},
{ 0, NULL, NULL, NULL }
};
static const GUID *script_engine_categories[] = {
&CATID_ActiveScript,
&CATID_ActiveScriptParse,
NULL
};
static const struct reg_class classes_to_register[] = {
{ &CLSID_PHPActiveScriptEngine, "PDA Code Compiler",
#if ACTIVEPHP_THREADING_MODE == COINIT_MULTITHREADED
"Both",
#else
"Apartment",
#endif
engine_entries, script_engine_categories },
{ NULL, NULL, NULL, 0, NULL }
};
/* }}} */
/* {{{ Registration code */
static void substitute(struct reg_subst *subst, char *srcstring, char *deststring)
{
int i;
char *srcpos = srcstring;
char *destpos = deststring;
while(1) {
char *repstart = strchr(srcpos, '[');
if (repstart == NULL) {
strcpy(destpos, srcpos);
break;
}
/* copy everything up until that character to the dest */
strncpy(destpos, srcpos, repstart - srcpos);
destpos += repstart - srcpos;
*destpos = 0;
/* search for replacement strings in the table */
for (i = 0; i < subst->count; i++) {
int len = strlen(subst->names[i]);
if (strncmp(subst->names[i], repstart + 1, len) == 0) {
/* append the replacement value to the buffer */
strcpy(destpos, subst->values[i]);
destpos += strlen(subst->values[i]);
srcpos = repstart + len + 2;
break;
}
}
}
#if DEBUG_CLASS_FACTORY
MessageBox(0, deststring, srcstring, MB_ICONHAND);
#endif
}
static int reg_string(BOOL do_reg, struct reg_subst *subst, const struct reg_entry *entry)
{
char subbuf[MAX_PATH], valuebuf[MAX_PATH], databuf[MAX_PATH];
char *sub = NULL, *value = NULL, *data = NULL;
LRESULT res;
HKEY hkey;
DWORD disp;
if (entry->sub_key) {
substitute(subst, entry->sub_key, subbuf);
sub = subbuf;
}
if (entry->value_name) {
substitute(subst, entry->value_name, valuebuf);
value = valuebuf;
}
if (entry->data) {
substitute(subst, entry->data, databuf);
data = databuf;
}
if (do_reg) {
res = RegCreateKeyEx(entry->root_key, sub, 0, NULL, REG_OPTION_NON_VOLATILE,
KEY_WRITE, NULL, &hkey, &disp);
if (res == NOERROR) {
if (data)
res = RegSetValueEx(hkey, value, 0, REG_SZ, (LPBYTE)data, strlen(data) + 1);
RegCloseKey(hkey);
}
} else {
res = RegDeleteKey(entry->root_key, sub);
}
return res == NOERROR ? 1 : 0;
}
static int perform_registration(BOOL do_reg)
{
char module_name[MAX_PATH];
char classid[40];
int ret = 1;
int i, j;
struct reg_subst subst = {0};
LPOLESTR classidw;
ICatRegister *catreg = NULL;
CATID cats[8];
int ncats;
CoInitialize(NULL);
CoCreateInstance(CLSID_StdComponentCategoriesMgr, NULL, CLSCTX_INPROC_SERVER, IID_ICatRegister, (LPVOID*)&catreg);
GetModuleFileName(module_handle, module_name, sizeof(module_name));
subst.names[0] = "CLSID";
subst.values[0] = classid;
subst.names[1] = "MODULENAME";
subst.values[1] = module_name;
subst.names[2] = "CLASSNAME";
subst.names[3] = "THREADING";
subst.count = 4;
for (i = 0; classes_to_register[i].class_id; i++) {
StringFromCLSID(*classes_to_register[i].class_id, &classidw);
WideCharToMultiByte(CP_ACP, 0, classidw, -1, classid, sizeof(classid), NULL, NULL);
classid[39] = 0;
CoTaskMemFree(classidw);
subst.values[2] = classes_to_register[i].class_name;
subst.values[3] = classes_to_register[i].threading;
if (catreg && classes_to_register[i].cats) {
ncats = 0;
while(classes_to_register[i].cats[ncats]) {
CopyMemory(&cats[ncats], classes_to_register[i].cats[ncats], sizeof(CATID));
ncats++;
}
}
if (do_reg) {
for (j = 0; classes_to_register[i].reg[j].root_key; j++) {
if (!reg_string(do_reg, &subst, &classes_to_register[i].reg[j])) {
ret = 0;
break;
}
}
if (catreg && ncats) {
catreg->RegisterClassImplCategories(*classes_to_register[i].class_id, ncats, cats);
}
} else {
if (catreg && ncats) {
catreg->UnRegisterClassImplCategories(*classes_to_register[i].class_id, ncats, cats);
}
/* do it in reverse order, so count the number of entries first */
for (j = 0; classes_to_register[i].reg[j].root_key; j++)
;
while(j-- > 0) {
if (!reg_string(do_reg, &subst, &classes_to_register[i].reg[j])) {
ret = 0;
break;
}
}
}
}
if (catreg)
catreg->Release();
CoUninitialize();
return ret;
}
/* }}} */
/* {{{ Standard COM server DllXXX entry points */
STDAPI DllCanUnloadNow(void)
{
if (TPHPClassFactory::CanUnload())
return S_OK;
return S_FALSE;
}
STDAPI DllGetClassObject(REFCLSID rclsid, REFIID riid, LPVOID* ppv)
{
HRESULT ret = E_FAIL;
if (IsEqualCLSID(CLSID_PHPActiveScriptEngine, rclsid)) {
TPHPClassFactory *factory = new TPHPClassFactory();
if (factory) {
ret = factory->QueryInterface(riid, ppv);
factory->Release();
}
}
return ret;
}
STDAPI DllRegisterServer(void)
{
return perform_registration(TRUE) ? S_OK : S_FALSE;
}
STDAPI DllUnregisterServer(void)
{
return perform_registration(FALSE) ? S_OK : S_FALSE;
}
/* }}} */