msi: Handle some error returns (Coverity).
[wine.git] / dlls / sti / regsvr.c
blob3e582ec4964abdc12f11d3f1adbb525bfb61cb97
1 /*
2 * self-registerable dll functions for sti.dll
4 * Copyright (C) 2003 John K. Hohm
5 * Copyright (C) 2009 Damjan Jovanovic
7 * This library is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
12 * This library is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with this library; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
22 #include <stdarg.h>
23 #include <string.h>
25 #include "windef.h"
26 #include "winbase.h"
27 #include "winuser.h"
28 #include "winreg.h"
29 #include "winerror.h"
30 #include "objbase.h"
31 #include "initguid.h"
32 #include "sti.h"
33 #include "wia_lh.h"
35 #include "wine/debug.h"
36 #include "wine/unicode.h"
38 WINE_DEFAULT_DEBUG_CHANNEL(sti);
41 * Near the bottom of this file are the exported DllRegisterServer and
42 * DllUnregisterServer, which make all this worthwhile.
45 /***********************************************************************
46 * interface for self-registering
48 struct regsvr_interface
50 IID const *iid; /* NULL for end of list */
51 LPCSTR name; /* can be NULL to omit */
52 IID const *base_iid; /* can be NULL to omit */
53 int num_methods; /* can be <0 to omit */
54 CLSID const *ps_clsid; /* can be NULL to omit */
55 CLSID const *ps_clsid32; /* can be NULL to omit */
58 static HRESULT register_interfaces(struct regsvr_interface const *list);
59 static HRESULT unregister_interfaces(struct regsvr_interface const *list);
61 struct regsvr_coclass
63 CLSID const *clsid; /* NULL for end of list */
64 LPCSTR name; /* can be NULL to omit */
65 LPCSTR ips; /* can be NULL to omit */
66 LPCSTR ips32; /* can be NULL to omit */
67 LPCSTR ips32_tmodel; /* can be NULL to omit */
68 LPCSTR clsid_str; /* can be NULL to omit */
69 LPCSTR progid; /* can be NULL to omit */
72 static HRESULT register_coclasses(struct regsvr_coclass const *list);
73 static HRESULT unregister_coclasses(struct regsvr_coclass const *list);
75 /***********************************************************************
76 * static string constants
78 static WCHAR const interface_keyname[10] = {
79 'I', 'n', 't', 'e', 'r', 'f', 'a', 'c', 'e', 0 };
80 static WCHAR const base_ifa_keyname[14] = {
81 'B', 'a', 's', 'e', 'I', 'n', 't', 'e', 'r', 'f', 'a', 'c',
82 'e', 0 };
83 static WCHAR const num_methods_keyname[11] = {
84 'N', 'u', 'm', 'M', 'e', 't', 'h', 'o', 'd', 's', 0 };
85 static WCHAR const ps_clsid_keyname[15] = {
86 'P', 'r', 'o', 'x', 'y', 'S', 't', 'u', 'b', 'C', 'l', 's',
87 'i', 'd', 0 };
88 static WCHAR const ps_clsid32_keyname[17] = {
89 'P', 'r', 'o', 'x', 'y', 'S', 't', 'u', 'b', 'C', 'l', 's',
90 'i', 'd', '3', '2', 0 };
91 static WCHAR const clsid_keyname[6] = {
92 'C', 'L', 'S', 'I', 'D', 0 };
93 static WCHAR const ips_keyname[13] = {
94 'I', 'n', 'P', 'r', 'o', 'c', 'S', 'e', 'r', 'v', 'e', 'r',
95 0 };
96 static WCHAR const ips32_keyname[15] = {
97 'I', 'n', 'P', 'r', 'o', 'c', 'S', 'e', 'r', 'v', 'e', 'r',
98 '3', '2', 0 };
99 static WCHAR const progid_keyname[7] = {
100 'P', 'r', 'o', 'g', 'I', 'D', 0 };
101 static char const tmodel_valuename[] = "ThreadingModel";
103 /***********************************************************************
104 * static helper functions
106 static LONG register_key_guid(HKEY base, WCHAR const *name, GUID const *guid);
107 static LONG register_key_defvalueW(HKEY base, WCHAR const *name,
108 WCHAR const *value);
109 static LONG register_key_defvalueA(HKEY base, WCHAR const *name,
110 char const *value);
112 /***********************************************************************
113 * register_interfaces
115 static HRESULT register_interfaces(struct regsvr_interface const *list)
117 LONG res = ERROR_SUCCESS;
118 HKEY interface_key;
120 res = RegCreateKeyExW(HKEY_CLASSES_ROOT, interface_keyname, 0, NULL, 0,
121 KEY_READ | KEY_WRITE, NULL, &interface_key, NULL);
122 if (res != ERROR_SUCCESS) goto error_return;
124 for (; res == ERROR_SUCCESS && list->iid; ++list) {
125 WCHAR buf[39];
126 HKEY iid_key;
128 StringFromGUID2(list->iid, buf, 39);
129 res = RegCreateKeyExW(interface_key, buf, 0, NULL, 0,
130 KEY_READ | KEY_WRITE, NULL, &iid_key, NULL);
131 if (res != ERROR_SUCCESS) goto error_close_interface_key;
133 if (list->name) {
134 res = RegSetValueExA(iid_key, NULL, 0, REG_SZ,
135 (CONST BYTE*)(list->name),
136 strlen(list->name) + 1);
137 if (res != ERROR_SUCCESS) goto error_close_iid_key;
140 if (list->base_iid) {
141 res = register_key_guid(iid_key, base_ifa_keyname, list->base_iid);
142 if (res != ERROR_SUCCESS) goto error_close_iid_key;
145 if (0 <= list->num_methods) {
146 static WCHAR const fmt[3] = { '%', 'd', 0 };
147 HKEY key;
149 res = RegCreateKeyExW(iid_key, num_methods_keyname, 0, NULL, 0,
150 KEY_READ | KEY_WRITE, NULL, &key, NULL);
151 if (res != ERROR_SUCCESS) goto error_close_iid_key;
153 sprintfW(buf, fmt, list->num_methods);
154 res = RegSetValueExW(key, NULL, 0, REG_SZ,
155 (CONST BYTE*)buf,
156 (lstrlenW(buf) + 1) * sizeof(WCHAR));
157 RegCloseKey(key);
159 if (res != ERROR_SUCCESS) goto error_close_iid_key;
162 if (list->ps_clsid) {
163 res = register_key_guid(iid_key, ps_clsid_keyname, list->ps_clsid);
164 if (res != ERROR_SUCCESS) goto error_close_iid_key;
167 if (list->ps_clsid32) {
168 res = register_key_guid(iid_key, ps_clsid32_keyname, list->ps_clsid32);
169 if (res != ERROR_SUCCESS) goto error_close_iid_key;
172 error_close_iid_key:
173 RegCloseKey(iid_key);
176 error_close_interface_key:
177 RegCloseKey(interface_key);
178 error_return:
179 return res != ERROR_SUCCESS ? HRESULT_FROM_WIN32(res) : S_OK;
182 /***********************************************************************
183 * unregister_interfaces
185 static HRESULT unregister_interfaces(struct regsvr_interface const *list)
187 LONG res = ERROR_SUCCESS;
188 HKEY interface_key;
190 res = RegOpenKeyExW(HKEY_CLASSES_ROOT, interface_keyname, 0,
191 KEY_READ | KEY_WRITE, &interface_key);
192 if (res == ERROR_FILE_NOT_FOUND) return S_OK;
193 if (res != ERROR_SUCCESS) goto error_return;
195 for (; res == ERROR_SUCCESS && list->iid; ++list) {
196 WCHAR buf[39];
198 StringFromGUID2(list->iid, buf, 39);
199 res = RegDeleteTreeW(interface_key, buf);
200 if (res == ERROR_FILE_NOT_FOUND) res = ERROR_SUCCESS;
203 RegCloseKey(interface_key);
204 error_return:
205 return res != ERROR_SUCCESS ? HRESULT_FROM_WIN32(res) : S_OK;
208 /***********************************************************************
209 * register_coclasses
211 static HRESULT register_coclasses(struct regsvr_coclass const *list)
213 LONG res = ERROR_SUCCESS;
214 HKEY coclass_key;
216 res = RegCreateKeyExW(HKEY_CLASSES_ROOT, clsid_keyname, 0, NULL, 0,
217 KEY_READ | KEY_WRITE, NULL, &coclass_key, NULL);
218 if (res != ERROR_SUCCESS) goto error_return;
220 for (; res == ERROR_SUCCESS && list->clsid; ++list) {
221 WCHAR buf[39];
222 HKEY clsid_key;
224 StringFromGUID2(list->clsid, buf, 39);
225 res = RegCreateKeyExW(coclass_key, buf, 0, NULL, 0,
226 KEY_READ | KEY_WRITE, NULL, &clsid_key, NULL);
227 if (res != ERROR_SUCCESS) goto error_close_coclass_key;
229 if (list->name) {
230 res = RegSetValueExA(clsid_key, NULL, 0, REG_SZ,
231 (CONST BYTE*)(list->name),
232 strlen(list->name) + 1);
233 if (res != ERROR_SUCCESS) goto error_close_clsid_key;
236 if (list->ips) {
237 res = register_key_defvalueA(clsid_key, ips_keyname, list->ips);
238 if (res != ERROR_SUCCESS) goto error_close_clsid_key;
241 if (list->ips32) {
242 HKEY ips32_key;
244 res = RegCreateKeyExW(clsid_key, ips32_keyname, 0, NULL, 0,
245 KEY_READ | KEY_WRITE, NULL,
246 &ips32_key, NULL);
247 if (res != ERROR_SUCCESS) goto error_close_clsid_key;
249 res = RegSetValueExA(ips32_key, NULL, 0, REG_SZ,
250 (CONST BYTE*)list->ips32,
251 lstrlenA(list->ips32) + 1);
252 if (res == ERROR_SUCCESS && list->ips32_tmodel)
253 res = RegSetValueExA(ips32_key, tmodel_valuename, 0, REG_SZ,
254 (CONST BYTE*)list->ips32_tmodel,
255 strlen(list->ips32_tmodel) + 1);
256 RegCloseKey(ips32_key);
257 if (res != ERROR_SUCCESS) goto error_close_clsid_key;
260 if (list->clsid_str) {
261 res = register_key_defvalueA(clsid_key, clsid_keyname,
262 list->clsid_str);
263 if (res != ERROR_SUCCESS) goto error_close_clsid_key;
266 if (list->progid) {
267 HKEY progid_key;
269 res = register_key_defvalueA(clsid_key, progid_keyname,
270 list->progid);
271 if (res != ERROR_SUCCESS) goto error_close_clsid_key;
273 res = RegCreateKeyExA(HKEY_CLASSES_ROOT, list->progid, 0,
274 NULL, 0, KEY_READ | KEY_WRITE, NULL,
275 &progid_key, NULL);
276 if (res != ERROR_SUCCESS) goto error_close_clsid_key;
278 res = register_key_defvalueW(progid_key, clsid_keyname, buf);
279 RegCloseKey(progid_key);
280 if (res != ERROR_SUCCESS) goto error_close_clsid_key;
283 error_close_clsid_key:
284 RegCloseKey(clsid_key);
287 error_close_coclass_key:
288 RegCloseKey(coclass_key);
289 error_return:
290 return res != ERROR_SUCCESS ? HRESULT_FROM_WIN32(res) : S_OK;
293 /***********************************************************************
294 * unregister_coclasses
296 static HRESULT unregister_coclasses(struct regsvr_coclass const *list)
298 LONG res = ERROR_SUCCESS;
299 HKEY coclass_key;
301 res = RegOpenKeyExW(HKEY_CLASSES_ROOT, clsid_keyname, 0,
302 KEY_READ | KEY_WRITE, &coclass_key);
303 if (res == ERROR_FILE_NOT_FOUND) return S_OK;
304 if (res != ERROR_SUCCESS) goto error_return;
306 for (; res == ERROR_SUCCESS && list->clsid; ++list) {
307 WCHAR buf[39];
309 StringFromGUID2(list->clsid, buf, 39);
310 res = RegDeleteTreeW(coclass_key, buf);
311 if (res == ERROR_FILE_NOT_FOUND) res = ERROR_SUCCESS;
312 if (res != ERROR_SUCCESS) goto error_close_coclass_key;
314 if (list->progid) {
315 res = RegDeleteTreeA(HKEY_CLASSES_ROOT, list->progid);
316 if (res == ERROR_FILE_NOT_FOUND) res = ERROR_SUCCESS;
317 if (res != ERROR_SUCCESS) goto error_close_coclass_key;
321 error_close_coclass_key:
322 RegCloseKey(coclass_key);
323 error_return:
324 return res != ERROR_SUCCESS ? HRESULT_FROM_WIN32(res) : S_OK;
327 /***********************************************************************
328 * regsvr_key_guid
330 static LONG register_key_guid(HKEY base, WCHAR const *name, GUID const *guid)
332 WCHAR buf[39];
334 StringFromGUID2(guid, buf, 39);
335 return register_key_defvalueW(base, name, buf);
338 /***********************************************************************
339 * regsvr_key_defvalueW
341 static LONG register_key_defvalueW(
342 HKEY base,
343 WCHAR const *name,
344 WCHAR const *value)
346 LONG res;
347 HKEY key;
349 res = RegCreateKeyExW(base, name, 0, NULL, 0,
350 KEY_READ | KEY_WRITE, NULL, &key, NULL);
351 if (res != ERROR_SUCCESS) return res;
352 res = RegSetValueExW(key, NULL, 0, REG_SZ, (CONST BYTE*)value,
353 (lstrlenW(value) + 1) * sizeof(WCHAR));
354 RegCloseKey(key);
355 return res;
358 /***********************************************************************
359 * regsvr_key_defvalueA
361 static LONG register_key_defvalueA(
362 HKEY base,
363 WCHAR const *name,
364 char const *value)
366 LONG res;
367 HKEY key;
369 res = RegCreateKeyExW(base, name, 0, NULL, 0,
370 KEY_READ | KEY_WRITE, NULL, &key, NULL);
371 if (res != ERROR_SUCCESS) return res;
372 res = RegSetValueExA(key, NULL, 0, REG_SZ, (CONST BYTE*)value,
373 lstrlenA(value) + 1);
374 RegCloseKey(key);
375 return res;
378 /***********************************************************************
379 * coclass list
381 static struct regsvr_coclass const coclass_list[] = {
382 { &CLSID_Sti,
383 "StillImage",
384 NULL,
385 "sti.dll",
386 "Both"
388 { NULL } /* list terminator */
391 /***********************************************************************
392 * interface list
394 static struct regsvr_interface const interface_list[] = {
395 { NULL } /* list terminator */
398 extern HRESULT WINAPI STI_DllRegisterServer(void) DECLSPEC_HIDDEN;
399 extern HRESULT WINAPI STI_DllUnregisterServer(void) DECLSPEC_HIDDEN;
401 /***********************************************************************
402 * DllRegisterServer (STI.@)
404 HRESULT WINAPI DllRegisterServer(void)
406 HRESULT hr;
408 TRACE("\n");
410 hr = STI_DllRegisterServer();
411 if (SUCCEEDED(hr))
412 hr = register_coclasses(coclass_list);
413 if (SUCCEEDED(hr))
414 hr = register_interfaces(interface_list);
415 return hr;
418 /***********************************************************************
419 * DllUnregisterServer (STI.@)
421 HRESULT WINAPI DllUnregisterServer(void)
423 HRESULT hr;
425 TRACE("\n");
427 hr = unregister_coclasses(coclass_list);
428 if (SUCCEEDED(hr))
429 hr = unregister_interfaces(interface_list);
430 if (SUCCEEDED(hr))
431 hr = STI_DllUnregisterServer();
432 return hr;