dlls/mmdevapi/regsvr.c

   1 /*
   2  * Copyright 2009 Vincent Povirk for CodeWeavers
   3  * Copyright 2009 Maarten Lankhorst
   4  *
   5  * This library is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU Lesser General Public
   7  * License as published by the Free Software Foundation; either
   8  * version 2.1 of the License, or (at your option) any later version.
   9  *
  10  * This library is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  * Lesser General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU Lesser General Public
  16  * License along with this library; if not, write to the Free Software
  17  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  18  */
  19
  20 #define NONAMELESSUNION
  21 #define NONAMELESSSTRUCT
  22 #define COBJMACROS
  23 #include <stdarg.h>
  24 #include <string.h>
  25
  26 #include "windef.h"
  27 #include "winbase.h"
  28 #include "winuser.h"
  29 #include "winreg.h"
  30 #include "winerror.h"
  31
  32 #include "guiddef.h"
  33 #include "objbase.h"
  34 #include "ocidl.h"
  35 #include "mmdeviceapi.h"
  36
  37 #include "wine/debug.h"
  38 #include "wine/unicode.h"
  39
  40 WINE_DEFAULT_DEBUG_CHANNEL(mmdevapi);
  41
  42 /***********************************************************************
  43  *              interface for self-registering
  44  */
  45 struct regsvr_coclass
  46 {
  47     CLSID const *clsid;         /* NULL for end of list */
  48     LPCSTR name;                /* can be NULL to omit */
  49     LPCSTR ips32;               /* can be NULL to omit */
  50     LPCSTR ips32_tmodel;        /* can be NULL to omit */
  51 };
  52
  53 static HRESULT register_coclasses(struct regsvr_coclass const *list);
  54 static HRESULT unregister_coclasses(struct regsvr_coclass const *list);
  55
  56 /***********************************************************************
  57  *              static string constants
  58  */
  59 static WCHAR const clsid_keyname[] = {
  60     'C', 'L', 'S', 'I', 'D', 0 };
  61 static WCHAR const ips32_keyname[] = {
  62     'I', 'n', 'P', 'r', 'o', 'c', 'S', 'e', 'r', 'v', 'e', 'r',
  63     '3', '2', 0 };
  64 static WCHAR const progid_keyname[] = {
  65     'P', 'r', 'o', 'g', 'I', 'D', 0 };
  66 static WCHAR const viprogid_keyname[] = {
  67     'V', 'e', 'r', 's', 'i', 'o', 'n', 'I', 'n', 'd', 'e', 'p',
  68     'e', 'n', 'd', 'e', 'n', 't', 'P', 'r', 'o', 'g', 'I', 'D',
  69     0 };
  70 static char const tmodel_valuename[] = "ThreadingModel";
  71
  72 /***********************************************************************
  73  *              register_coclasses
  74  */
  75 static HRESULT register_coclasses(struct regsvr_coclass const *list)
  76 {
  77     LONG res = ERROR_SUCCESS;
  78     HKEY coclass_key;
  79
  80     res = RegCreateKeyExW(HKEY_CLASSES_ROOT, clsid_keyname, 0, NULL, 0,
  81                           KEY_READ | KEY_WRITE, NULL, &coclass_key, NULL);
  82     if (res != ERROR_SUCCESS) goto error_return;
  83
  84     for (; res == ERROR_SUCCESS && list->clsid; ++list) {
  85         WCHAR buf[39];
  86         HKEY clsid_key;
  87
  88         StringFromGUID2(list->clsid, buf, 39);
  89         res = RegCreateKeyExW(coclass_key, buf, 0, NULL, 0,
  90                               KEY_READ | KEY_WRITE, NULL, &clsid_key, NULL);
  91         if (res != ERROR_SUCCESS) goto error_close_coclass_key;
  92
  93         if (list->name) {
  94             res = RegSetValueExA(clsid_key, NULL, 0, REG_SZ,
  95                                  (CONST BYTE*)(list->name),
  96                                  strlen(list->name) + 1);
  97             if (res != ERROR_SUCCESS) goto error_close_clsid_key;
  98         }
  99
 100         if (list->ips32) {
 101             HKEY ips32_key;
 102
 103             res = RegCreateKeyExW(clsid_key, ips32_keyname, 0, NULL, 0,
 104                                   KEY_READ | KEY_WRITE, NULL,
 105                                   &ips32_key, NULL);
 106             if (res != ERROR_SUCCESS) goto error_close_clsid_key;
 107
 108             res = RegSetValueExA(ips32_key, NULL, 0, REG_SZ,
 109                                  (CONST BYTE*)list->ips32,
 110                                  lstrlenA(list->ips32) + 1);
 111             if (res == ERROR_SUCCESS && list->ips32_tmodel)
 112                 res = RegSetValueExA(ips32_key, tmodel_valuename, 0, REG_SZ,
 113                                      (CONST BYTE*)list->ips32_tmodel,
 114                                      strlen(list->ips32_tmodel) + 1);
 115             RegCloseKey(ips32_key);
 116             if (res != ERROR_SUCCESS) goto error_close_clsid_key;
 117         }
 118
 119     error_close_clsid_key:
 120         RegCloseKey(clsid_key);
 121     }
 122
 123 error_close_coclass_key:
 124     RegCloseKey(coclass_key);
 125 error_return:
 126     return res != ERROR_SUCCESS ? HRESULT_FROM_WIN32(res) : S_OK;
 127 }
 128
 129 /***********************************************************************
 130  *              unregister_coclasses
 131  */
 132 static HRESULT unregister_coclasses(struct regsvr_coclass const *list)
 133 {
 134     LONG res = ERROR_SUCCESS;
 135     HKEY coclass_key;
 136
 137     res = RegOpenKeyExW(HKEY_CLASSES_ROOT, clsid_keyname, 0,
 138                         KEY_READ | KEY_WRITE, &coclass_key);
 139     if (res == ERROR_FILE_NOT_FOUND) return S_OK;
 140     if (res != ERROR_SUCCESS) goto error_return;
 141
 142     for (; res == ERROR_SUCCESS && list->clsid; ++list) {
 143         WCHAR buf[39];
 144
 145         StringFromGUID2(list->clsid, buf, 39);
 146         res = RegDeleteTreeW(coclass_key, buf);
 147         if (res == ERROR_FILE_NOT_FOUND) res = ERROR_SUCCESS;
 148         if (res != ERROR_SUCCESS) goto error_close_coclass_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  *              coclass list
 159  */
 160 static struct regsvr_coclass const coclass_list[] = {
 161     {   &CLSID_MMDeviceEnumerator,
 162         "MMDeviceEnumerator class",
 163         "mmdevapi.dll",
 164         "both"
 165     },
 166     { NULL }                    /* list terminator */
 167 };
 168
 169 HRESULT WINAPI DllRegisterServer(void)
 170 {
 171     TRACE("\n");
 172
 173     return register_coclasses(coclass_list);
 174 }
 175
 176 HRESULT WINAPI DllUnregisterServer(void)
 177 {
 178     TRACE("\n");
 179
 180     return unregister_coclasses(coclass_list);
 181 }