dlls/qedit/regsvr.c

   1 /*
   2  *        self-registerable dll functions for qedit.dll
   3  *
   4  * Copyright (C) 2008 Google (Lei Zhang)
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  19  */
  20
  21 #include "qedit_private.h"
  22 #include "winreg.h"
  23
  24 #include "wine/debug.h"
  25
  26 WINE_DEFAULT_DEBUG_CHANNEL(qedit);
  27
  28 struct regsvr_coclass
  29 {
  30     CLSID const *clsid;   /* NULL for end of list */
  31     LPCSTR name;          /* can be NULL to omit */
  32     LPCSTR ips;           /* can be NULL to omit */
  33     LPCSTR ips32;         /* can be NULL to omit */
  34     LPCSTR ips32_tmodel;  /* can be NULL to omit */
  35     LPCSTR progid;        /* can be NULL to omit */
  36     LPCSTR viprogid;      /* can be NULL to omit */
  37     LPCSTR progid_extra;  /* can be NULL to omit */
  38 };
  39
  40 static HRESULT register_coclasses(struct regsvr_coclass const *list);
  41 static HRESULT unregister_coclasses(struct regsvr_coclass const *list);
  42
  43 /***********************************************************************
  44  *              static string constants
  45  */
  46 static WCHAR const clsid_keyname[6] = {
  47   'C', 'L', 'S', 'I', 'D', 0 };
  48 static WCHAR const curver_keyname[7] = {
  49     'C', 'u', 'r', 'V', 'e', 'r', 0 };
  50 static WCHAR const ips_keyname[13] = {
  51   'I', 'n', 'P', 'r', 'o', 'c', 'S', 'e', 'r', 'v', 'e', 'r', 0 };
  52 static WCHAR const ips32_keyname[15] = {
  53     'I', 'n', 'P', 'r', 'o', 'c', 'S', 'e', 'r', 'v', 'e', 'r', '3', '2', 0 };
  54 static WCHAR const progid_keyname[7] = {
  55     'P', 'r', 'o', 'g', 'I', 'D', 0 };
  56 static WCHAR const viprogid_keyname[25] = {
  57     'V', 'e', 'r', 's', 'i', 'o', 'n', 'I', 'n', 'd', 'e', 'p',
  58     'e', 'n', 'd', 'e', 'n', 't', 'P', 'r', 'o', 'g', 'I', 'D',
  59     0 };
  60 static char const tmodel_valuename[] = "ThreadingModel";
  61
  62 /***********************************************************************
  63  *              static helper functions
  64  */
  65 static LONG register_key_defvalueW(HKEY base, WCHAR const *name,
  66                                    WCHAR const *value);
  67 static LONG register_key_defvalueA(HKEY base, WCHAR const *name,
  68                                    char const *value);
  69 static LONG register_progid(WCHAR const *clsid,
  70                             char const *progid, char const *curver_progid,
  71                             char const *name, char const *extra);
  72
  73
  74
  75 /***********************************************************************
  76  *              register_coclasses
  77  */
  78 static HRESULT register_coclasses(struct regsvr_coclass const *list)
  79 {
  80     LONG res = ERROR_SUCCESS;
  81     HKEY coclass_key;
  82
  83     res = RegCreateKeyExW(HKEY_CLASSES_ROOT, clsid_keyname, 0, NULL, 0,
  84                           KEY_READ | KEY_WRITE, NULL, &coclass_key, NULL);
  85     if (res != ERROR_SUCCESS) goto error_return;
  86
  87     for (; res == ERROR_SUCCESS && list->clsid; ++list) {
  88         WCHAR buf[39];
  89         HKEY clsid_key;
  90
  91         StringFromGUID2(list->clsid, buf, 39);
  92         res = RegCreateKeyExW(coclass_key, buf, 0, NULL, 0,
  93                               KEY_READ | KEY_WRITE, NULL, &clsid_key, NULL);
  94         if (res != ERROR_SUCCESS) goto error_close_coclass_key;
  95
  96         if (list->name) {
  97             res = RegSetValueExA(clsid_key, NULL, 0, REG_SZ,
  98                                  (CONST BYTE*)(list->name),
  99                                  strlen(list->name) + 1);
 100             if (res != ERROR_SUCCESS) goto error_close_clsid_key;
 101         }
 102
 103         if (list->ips) {
 104             res = register_key_defvalueA(clsid_key, ips_keyname, list->ips);
 105             if (res != ERROR_SUCCESS) goto error_close_clsid_key;
 106         }
 107
 108         if (list->ips32) {
 109             HKEY ips32_key;
 110
 111             res = RegCreateKeyExW(clsid_key, ips32_keyname, 0, NULL, 0,
 112                                   KEY_READ | KEY_WRITE, NULL,
 113                                   &ips32_key, NULL);
 114             if (res != ERROR_SUCCESS) goto error_close_clsid_key;
 115
 116             res = RegSetValueExA(ips32_key, NULL, 0, REG_SZ,
 117                                  (CONST BYTE*)list->ips32,
 118                                  lstrlenA(list->ips32) + 1);
 119             if (res == ERROR_SUCCESS && list->ips32_tmodel)
 120                 res = RegSetValueExA(ips32_key, tmodel_valuename, 0, REG_SZ,
 121                                      (CONST BYTE*)list->ips32_tmodel,
 122                                      strlen(list->ips32_tmodel) + 1);
 123             RegCloseKey(ips32_key);
 124             if (res != ERROR_SUCCESS) goto error_close_clsid_key;
 125         }
 126
 127         if (list->progid) {
 128             res = register_key_defvalueA(clsid_key, progid_keyname,
 129                                          list->progid);
 130             if (res != ERROR_SUCCESS) goto error_close_clsid_key;
 131
 132             res = register_progid(buf, list->progid, NULL,
 133                                   list->name, list->progid_extra);
 134             if (res != ERROR_SUCCESS) goto error_close_clsid_key;
 135         }
 136
 137         if (list->viprogid) {
 138             res = register_key_defvalueA(clsid_key, viprogid_keyname,
 139                                          list->viprogid);
 140             if (res != ERROR_SUCCESS) goto error_close_clsid_key;
 141
 142             res = register_progid(buf, list->viprogid, list->progid,
 143                                   list->name, list->progid_extra);
 144             if (res != ERROR_SUCCESS) goto error_close_clsid_key;
 145         }
 146
 147 error_close_clsid_key:
 148         RegCloseKey(clsid_key);
 149     }
 150
 151 error_close_coclass_key:
 152     RegCloseKey(coclass_key);
 153 error_return:
 154     return res != ERROR_SUCCESS ? HRESULT_FROM_WIN32(res) : S_OK;
 155 }
 156
 157 /***********************************************************************
 158  *              unregister_coclasses
 159  */
 160 static HRESULT unregister_coclasses(struct regsvr_coclass const *list)
 161 {
 162     LONG res = ERROR_SUCCESS;
 163     HKEY coclass_key;
 164
 165     res = RegOpenKeyExW(HKEY_CLASSES_ROOT, clsid_keyname, 0,
 166                         KEY_READ | KEY_WRITE, &coclass_key);
 167     if (res == ERROR_FILE_NOT_FOUND) return S_OK;
 168     if (res != ERROR_SUCCESS) goto error_return;
 169
 170     for (; res == ERROR_SUCCESS && list->clsid; ++list) {
 171         WCHAR buf[39];
 172
 173         StringFromGUID2(list->clsid, buf, 39);
 174         res = RegDeleteTreeW(coclass_key, buf);
 175         if (res == ERROR_FILE_NOT_FOUND) res = ERROR_SUCCESS;
 176         if (res != ERROR_SUCCESS) goto error_close_coclass_key;
 177
 178         if (list->progid) {
 179             res = RegDeleteTreeA(HKEY_CLASSES_ROOT, list->progid);
 180             if (res == ERROR_FILE_NOT_FOUND) res = ERROR_SUCCESS;
 181             if (res != ERROR_SUCCESS) goto error_close_coclass_key;
 182         }
 183
 184         if (list->viprogid) {
 185             res = RegDeleteTreeA(HKEY_CLASSES_ROOT, list->viprogid);
 186             if (res == ERROR_FILE_NOT_FOUND) res = ERROR_SUCCESS;
 187             if (res != ERROR_SUCCESS) goto error_close_coclass_key;
 188         }
 189     }
 190
 191 error_close_coclass_key:
 192     RegCloseKey(coclass_key);
 193 error_return:
 194     return res != ERROR_SUCCESS ? HRESULT_FROM_WIN32(res) : S_OK;
 195 }
 196
 197 /***********************************************************************
 198  *              regsvr_key_defvalueW
 199  */
 200 static LONG register_key_defvalueW(
 201     HKEY base,
 202     WCHAR const *name,
 203     WCHAR const *value)
 204 {
 205     LONG res;
 206     HKEY key;
 207
 208     res = RegCreateKeyExW(base, name, 0, NULL, 0,
 209                           KEY_READ | KEY_WRITE, NULL, &key, NULL);
 210     if (res != ERROR_SUCCESS) return res;
 211     res = RegSetValueExW(key, NULL, 0, REG_SZ, (CONST BYTE*)value,
 212                          (lstrlenW(value) + 1) * sizeof(WCHAR));
 213     RegCloseKey(key);
 214     return res;
 215 }
 216
 217 /***********************************************************************
 218  *              regsvr_key_defvalueA
 219  */
 220 static LONG register_key_defvalueA(
 221     HKEY base,
 222     WCHAR const *name,
 223     char const *value)
 224 {
 225   LONG res;
 226   HKEY key;
 227
 228   res = RegCreateKeyExW(base, name, 0, NULL, 0,
 229                         KEY_READ | KEY_WRITE, NULL, &key, NULL);
 230   if (res != ERROR_SUCCESS) return res;
 231   res = RegSetValueExA(key, NULL, 0, REG_SZ, (CONST BYTE*)value,
 232                        lstrlenA(value) + 1);
 233   RegCloseKey(key);
 234   return res;
 235 }
 236
 237 /***********************************************************************
 238  *              regsvr_progid
 239  */
 240 static LONG register_progid(
 241     WCHAR const *clsid,
 242     char const *progid,
 243     char const *curver_progid,
 244     char const *name,
 245     char const *extra)
 246 {
 247     LONG res;
 248     HKEY progid_key;
 249
 250     res = RegCreateKeyExA(HKEY_CLASSES_ROOT, progid, 0,
 251                           NULL, 0, KEY_READ | KEY_WRITE, NULL,
 252                           &progid_key, NULL);
 253     if (res != ERROR_SUCCESS) return res;
 254
 255     if (name) {
 256         res = RegSetValueExA(progid_key, NULL, 0, REG_SZ,
 257                              (CONST BYTE*)name, strlen(name) + 1);
 258         if (res != ERROR_SUCCESS) goto error_close_progid_key;
 259     }
 260
 261     if (clsid) {
 262         res = register_key_defvalueW(progid_key, clsid_keyname, clsid);
 263         if (res != ERROR_SUCCESS) goto error_close_progid_key;
 264     }
 265
 266     if (curver_progid) {
 267         res = register_key_defvalueA(progid_key, curver_keyname,
 268                                      curver_progid);
 269         if (res != ERROR_SUCCESS) goto error_close_progid_key;
 270     }
 271
 272     if (extra) {
 273         HKEY extra_key;
 274
 275         res = RegCreateKeyExA(progid_key, extra, 0,
 276                               NULL, 0, KEY_READ | KEY_WRITE, NULL,
 277                               &extra_key, NULL);
 278         if (res == ERROR_SUCCESS)
 279             RegCloseKey(extra_key);
 280     }
 281
 282 error_close_progid_key:
 283     RegCloseKey(progid_key);
 284     return res;
 285 }
 286
 287 /***********************************************************************
 288  *              coclass list
 289  */
 290 static struct regsvr_coclass const coclass_list[] = {
 291     {   &CLSID_MediaDet,
 292         "MediaDet",
 293         NULL,
 294         "qedit.dll",
 295         "Both"
 296     },
 297     {   &CLSID_SampleGrabber,
 298         "Sample Grabber",
 299         NULL,
 300         "qedit.dll",
 301         "Both"
 302     },
 303     { NULL }                    /* list terminator */
 304 };
 305
 306 /***********************************************************************
 307  *                DllRegisterServer (QEDIT.@)
 308  */
 309 HRESULT WINAPI DllRegisterServer(void)
 310 {
 311     HRESULT hr;
 312
 313     TRACE("\n");
 314
 315     hr = register_coclasses(coclass_list);
 316     return hr;
 317 }
 318
 319 /***********************************************************************
 320  *                DllUnregisterServer (QEDIT.@)
 321  */
 322 HRESULT WINAPI DllUnregisterServer(void)
 323 {
 324     HRESULT hr;
 325
 326     TRACE("\n");
 327
 328     hr = unregister_coclasses(coclass_list);
 329     return S_OK;
 330 }