text: /*
   * self-registerable dll functions for oledb32.dll
   *
   * Copyright (C) 2004 Raphael Junqueira
   *               2009 Huw Davies
   *
   * This library is free software; you can redistribute it and/or
   * modify it under the terms of the GNU Lesser General Public
   * License as published by the Free Software Foundation; either
   * version 2.1 of the License, or (at your option) any later version.
   *
   * This library is distributed in the hope that it will be useful,
   * but WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   * Lesser General Public License for more details.
   *
   * You should have received a copy of the GNU Lesser General Public
   * License along with this library; if not, write to the Free Software
   * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
   */
  
  #define COBJMACROS
  
  #include "config.h"
  
  #include <stdarg.h>
  #include <string.h>
  
  #include "windef.h"
  #include "winbase.h"
  #include "winuser.h"
  #include "winreg.h"
  #include "winerror.h"
  
  #include "ole2.h"
  #include "olectl.h"
  #include "oleauto.h"
  
  #include "msdaguid.h"
  
  #include "wine/debug.h"
  #include "wine/unicode.h"
  
  WINE_DEFAULT_DEBUG_CHANNEL(oledb);
  
  /*
   * Near the bottom of this file are the exported DllRegisterServer and
   * DllUnregisterServer, which make all this worthwhile.
   */
  
  /***********************************************************************
   *                interface for self-registering
   */
  struct regsvr_interface
  {
      IID const *iid;             /* NULL for end of list */
      LPCSTR name;                /* can be NULL to omit */
      IID const *base_iid;        /* can be NULL to omit */
      int num_methods;            /* can be <0 to omit */
      CLSID const *ps_clsid;      /* can be NULL to omit */
      CLSID const *ps_clsid32;    /* can be NULL to omit */
  };
  
  static HRESULT register_interfaces(struct regsvr_interface const *list);
  static HRESULT unregister_interfaces(struct regsvr_interface const *list);
  
  struct regsvr_coclass
  {
      CLSID const *clsid;         /* NULL for end of list */
      LPCSTR name;                /* can be NULL to omit */
      LPCSTR iph32;               /* can be NULL to omit */
      LPCSTR ips;                 /* can be NULL to omit */
      LPCSTR ips32;               /* can be NULL to omit */
      LPCSTR ips32_tmodel;        /* can be NULL to omit, if apartment, iph32 must be set */
      DWORD flags;                /* set defines below */
      LPCSTR progid;              /* can be NULL to omit */
      LPCSTR viprogid;            /* can be NULL to omit */
      LPCSTR progid_extra;        /* can be NULL to omit */
      LPCSTR dllversion;          /* can be NULL to omit */
  };
  
  /* flags for regsvr_coclass.flags */
  #define PROGID_CLSID                  0x00000010  /* add a clsid key to the progid */
  
  static HRESULT register_coclasses(struct regsvr_coclass const *list);
  static HRESULT unregister_coclasses(struct regsvr_coclass const *list);
  
  /***********************************************************************
   *                static string constants
   */
  static WCHAR const interface_keyname[10] = {
      'I', 'n', 't', 'e', 'r', 'f', 'a', 'c', 'e', 0 };
  static WCHAR const base_ifa_keyname[14] = {
      'B', 'a', 's', 'e', 'I', 'n', 't', 'e', 'r', 'f', 'a', 'c',
      'e', 0 };
  static WCHAR const num_methods_keyname[11] = {
      'N', 'u', 'm', 'M', 'e', 't', 'h', 'o', 'd', 's', 0 };
  static WCHAR const ps_clsid_keyname[15] = {
      'P', 'r', 'o', 'x', 'y', 'S', 't', 'u', 'b', 'C', 'l', 's',
      'i', 'd', 0 };
  static WCHAR const ps_clsid32_keyname[17] = {
      'P', 'r', 'o', 'x', 'y', 'S', 't', 'u', 'b', 'C', 'l', 's',
      'i', 'd', '3', '2', 0 };
  static WCHAR const clsid_keyname[6] = {
      'C', 'L', 'S', 'I', 'D', 0 };
  static WCHAR const curver_keyname[7] = {
      'C', 'u', 'r', 'V', 'e', 'r', 0 };
  static WCHAR const iph32_keyname[] = {
      'I', 'n', 'P', 'r', 'o', 'c', 'H', 'a', 'n', 'd', 'l', 'e', 'r',
      '3', '2', 0 };
  static WCHAR const ips_keyname[13] = {
      'I', 'n', 'P', 'r', 'o', 'c', 'S', 'e', 'r', 'v', 'e', 'r',
      0 };
  static WCHAR const ips32_keyname[15] = {
      'I', 'n', 'P', 'r', 'o', 'c', 'S', 'e', 'r', 'v', 'e', 'r',
      '3', '2', 0 };
  static WCHAR const progid_keyname[7] = {
      'P', 'r', 'o', 'g', 'I', 'D', 0 };
  static WCHAR const viprogid_keyname[25] = {
      'V', 'e', 'r', 's', 'i', 'o', 'n', 'I', 'n', 'd', 'e', 'p',
      'e', 'n', 'd', 'e', 'n', 't', 'P', 'r', 'o', 'g', 'I', 'D',
      0 };
  static WCHAR const dllversion_keyname[11] = {
      'D', 'l', 'l', 'V', 'e', 'r', 's', 'i', 'o', 'n', 0 };
  static char const tmodel_valuename[] = "ThreadingModel";
  
  /***********************************************************************
   *                static helper functions
   */
  static LONG register_key_guid(HKEY base, WCHAR const *name, GUID const *guid);
  static LONG register_key_defvalueW(HKEY base, WCHAR const *name,
                                     WCHAR const *value);
  static LONG register_key_defvalueA(HKEY base, WCHAR const *name,
                                     char const *value);
  static LONG register_progid(WCHAR const *clsid,
                              char const *progid, char const *curver_progid,
                              char const *name, char const *extra);
  
  /***********************************************************************
   *                register_interfaces
   */
  static HRESULT register_interfaces(struct regsvr_interface const *list)
  {
      LONG res = ERROR_SUCCESS;
      HKEY interface_key;
  
      res = RegCreateKeyExW(HKEY_CLASSES_ROOT, interface_keyname, 0, NULL, 0,
                            KEY_READ | KEY_WRITE, NULL, &interface_key, NULL);
      if (res != ERROR_SUCCESS) goto error_return;
  
      for (; res == ERROR_SUCCESS && list->iid; ++list)
      {
          WCHAR buf[39];
          HKEY iid_key;
  
          StringFromGUID2(list->iid, buf, 39);
          res = RegCreateKeyExW(interface_key, buf, 0, NULL, 0,
                                KEY_READ | KEY_WRITE, NULL, &iid_key, NULL);
          if (res != ERROR_SUCCESS) goto error_close_interface_key;
  
          if (list->name)
          {
              res = RegSetValueExA(iid_key, NULL, 0, REG_SZ,
                                   (CONST BYTE*)(list->name),
                                   strlen(list->name) + 1);
              if (res != ERROR_SUCCESS) goto error_close_iid_key;
          }
  
          if (list->base_iid)
          {
              res = register_key_guid(iid_key, base_ifa_keyname, list->base_iid);
              if (res != ERROR_SUCCESS) goto error_close_iid_key;
          }
  
          if (0 <= list->num_methods)
          {
              static WCHAR const fmt[3] = { '%', 'd', 0 };
              HKEY key;
  
              res = RegCreateKeyExW(iid_key, num_methods_keyname, 0, NULL, 0,
                                    KEY_READ | KEY_WRITE, NULL, &key, NULL);
              if (res != ERROR_SUCCESS) goto error_close_iid_key;
  
              sprintfW(buf, fmt, list->num_methods);
              res = RegSetValueExW(key, NULL, 0, REG_SZ,
                                   (CONST BYTE*)buf,
                                   (lstrlenW(buf) + 1) * sizeof(WCHAR));
              RegCloseKey(key);
  
              if (res != ERROR_SUCCESS) goto error_close_iid_key;
          }
  
          if (list->ps_clsid)
          {
              res = register_key_guid(iid_key, ps_clsid_keyname, list->ps_clsid);
              if (res != ERROR_SUCCESS) goto error_close_iid_key;
          }
  
          if (list->ps_clsid32)
          {
              res = register_key_guid(iid_key, ps_clsid32_keyname, list->ps_clsid32);
              if (res != ERROR_SUCCESS) goto error_close_iid_key;
          }
  
      error_close_iid_key:
          RegCloseKey(iid_key);
      }
  
  error_close_interface_key:
      RegCloseKey(interface_key);
  error_return:
      return res != ERROR_SUCCESS ? HRESULT_FROM_WIN32(res) : S_OK;
  }
  
  /***********************************************************************
   *                unregister_interfaces
   */
  static HRESULT unregister_interfaces(struct regsvr_interface const *list)
  {
      LONG res = ERROR_SUCCESS;
      HKEY interface_key;
  
      res = RegOpenKeyExW(HKEY_CLASSES_ROOT, interface_keyname, 0,
                          KEY_READ | KEY_WRITE, &interface_key);
      if (res == ERROR_FILE_NOT_FOUND) return S_OK;
      if (res != ERROR_SUCCESS) goto error_return;
  
      for (; res == ERROR_SUCCESS && list->iid; ++list)
      {
          WCHAR buf[39];
  
          StringFromGUID2(list->iid, buf, 39);
          res = RegDeleteTreeW(interface_key, buf);
          if (res == ERROR_FILE_NOT_FOUND) res = ERROR_SUCCESS;
      }
  
      RegCloseKey(interface_key);
  error_return:
      return res != ERROR_SUCCESS ? HRESULT_FROM_WIN32(res) : S_OK;
  }
  
  /***********************************************************************
   *                register_coclasses
   */
  static HRESULT register_coclasses(struct regsvr_coclass const *list)
  {
      LONG res = ERROR_SUCCESS;
      HKEY coclass_key;
  
      res = RegCreateKeyExW(HKEY_CLASSES_ROOT, clsid_keyname, 0, NULL, 0,
                            KEY_READ | KEY_WRITE, NULL, &coclass_key, NULL);
      if (res != ERROR_SUCCESS) goto error_return;
  
      for (; res == ERROR_SUCCESS && list->clsid; ++list)
      {
          WCHAR buf[39];
          HKEY clsid_key;
  
          StringFromGUID2(list->clsid, buf, 39);
          res = RegCreateKeyExW(coclass_key, buf, 0, NULL, 0,
                                KEY_READ | KEY_WRITE, NULL, &clsid_key, NULL);
          if (res != ERROR_SUCCESS) goto error_close_coclass_key;
  
          if (list->name)
          {
              res = RegSetValueExA(clsid_key, NULL, 0, REG_SZ,
                                   (CONST BYTE*)(list->name),
                                   strlen(list->name) + 1);
              if (res != ERROR_SUCCESS) goto error_close_clsid_key;
          }
  
          if (list->iph32)
          {
              HKEY iph32_key;
  
              res = RegCreateKeyExW(clsid_key, iph32_keyname, 0, NULL, 0,
                                    KEY_READ | KEY_WRITE, NULL,
                                    &iph32_key, NULL);
              if (res != ERROR_SUCCESS) goto error_close_clsid_key;
  
              res = RegSetValueExA(iph32_key, NULL, 0, REG_SZ,
                                   (CONST BYTE*)list->iph32,
                                   lstrlenA(list->iph32) + 1);
              RegCloseKey(iph32_key);
              if (res != ERROR_SUCCESS) goto error_close_clsid_key;
          }
  
          if (list->ips)
          {
              res = register_key_defvalueA(clsid_key, ips_keyname, list->ips);
              if (res != ERROR_SUCCESS) goto error_close_clsid_key;
          }
  
          if (list->ips32)
          {
              HKEY ips32_key;
  
              res = RegCreateKeyExW(clsid_key, ips32_keyname, 0, NULL, 0,
                                    KEY_READ | KEY_WRITE, NULL,
                                    &ips32_key, NULL);
              if (res != ERROR_SUCCESS) goto error_close_clsid_key;
  
              res = RegSetValueExA(ips32_key, NULL, 0, REG_SZ,
                                   (CONST BYTE*)list->ips32,
                                   lstrlenA(list->ips32) + 1);
              if (res == ERROR_SUCCESS && list->ips32_tmodel)
                  res = RegSetValueExA(ips32_key, tmodel_valuename, 0, REG_SZ,
                                       (CONST BYTE*)list->ips32_tmodel,
                                       strlen(list->ips32_tmodel) + 1);
              RegCloseKey(ips32_key);
              if (res != ERROR_SUCCESS) goto error_close_clsid_key;
          }
  
          if (list->progid)
          {
              res = register_key_defvalueA(clsid_key, progid_keyname,
                                           list->progid);
              if (res != ERROR_SUCCESS) goto error_close_clsid_key;
  
              res = register_progid(list->flags & PROGID_CLSID ? buf : NULL,
                                    list->progid, NULL,
                                    list->name, list->progid_extra);
              if (res != ERROR_SUCCESS) goto error_close_clsid_key;
          }
  
          if (list->viprogid)
          {
              res = register_key_defvalueA(clsid_key, viprogid_keyname,
                                           list->viprogid);
              if (res != ERROR_SUCCESS) goto error_close_clsid_key;
  
              res = register_progid(list->flags & PROGID_CLSID ? buf : NULL,
                                    list->viprogid, list->progid,
                                    list->name, list->progid_extra);
              if (res != ERROR_SUCCESS) goto error_close_clsid_key;
          }
  
          if (list->dllversion)
          {
              HKEY dllver_key;
  
              res = RegCreateKeyExW(clsid_key, dllversion_keyname, 0, NULL, 0,
                                    KEY_READ | KEY_WRITE, NULL,
                                    &dllver_key, NULL);
              if (res != ERROR_SUCCESS) goto error_close_clsid_key;
  
              res = RegSetValueExA(dllver_key, NULL, 0, REG_SZ,
                                   (CONST BYTE*)list->dllversion,
                                   lstrlenA(list->dllversion) + 1);
              RegCloseKey(dllver_key);
              if (res != ERROR_SUCCESS) goto error_close_clsid_key;
          }
  
  
      error_close_clsid_key:
          RegCloseKey(clsid_key);
      }
  
  error_close_coclass_key:
      RegCloseKey(coclass_key);
  error_return:
      return res != ERROR_SUCCESS ? HRESULT_FROM_WIN32(res) : S_OK;
  }
  
  /***********************************************************************
   *                unregister_coclasses
   */
  static HRESULT unregister_coclasses(struct regsvr_coclass const *list)
  {
      LONG res = ERROR_SUCCESS;
      HKEY coclass_key;
  
      res = RegOpenKeyExW(HKEY_CLASSES_ROOT, clsid_keyname, 0,
                          KEY_READ | KEY_WRITE, &coclass_key);
      if (res == ERROR_FILE_NOT_FOUND) return S_OK;
      if (res != ERROR_SUCCESS) goto error_return;
  
      for (; res == ERROR_SUCCESS && list->clsid; ++list)
      {
          WCHAR buf[39];
  
          StringFromGUID2(list->clsid, buf, 39);
          res = RegDeleteTreeW(coclass_key, buf);
          if (res == ERROR_FILE_NOT_FOUND) res = ERROR_SUCCESS;
          if (res != ERROR_SUCCESS) goto error_close_coclass_key;
  
          if (list->progid)
          {
              res = RegDeleteTreeA(HKEY_CLASSES_ROOT, list->progid);
              if (res == ERROR_FILE_NOT_FOUND) res = ERROR_SUCCESS;
              if (res != ERROR_SUCCESS) goto error_close_coclass_key;
          }
  
          if (list->viprogid)
          {
              res = RegDeleteTreeA(HKEY_CLASSES_ROOT, list->viprogid);
              if (res == ERROR_FILE_NOT_FOUND) res = ERROR_SUCCESS;
              if (res != ERROR_SUCCESS) goto error_close_coclass_key;
          }
      }
  
  error_close_coclass_key:
      RegCloseKey(coclass_key);
  error_return:
      return res != ERROR_SUCCESS ? HRESULT_FROM_WIN32(res) : S_OK;
  }
  
  /***********************************************************************
   *                register_key_guid
   */
  static LONG register_key_guid(HKEY base, WCHAR const *name, GUID const *guid)
  {
      WCHAR buf[39];
  
      StringFromGUID2(guid, buf, 39);
      return register_key_defvalueW(base, name, buf);
  }
  
  /***********************************************************************
   *                register_key_defvalueW
   */
  static LONG register_key_defvalueW(HKEY base, WCHAR const *name, WCHAR const *value)
  {
      LONG res;
      HKEY key;
  
      res = RegCreateKeyExW(base, name, 0, NULL, 0,
                            KEY_READ | KEY_WRITE, NULL, &key, NULL);
      if (res != ERROR_SUCCESS) return res;
      res = RegSetValueExW(key, NULL, 0, REG_SZ, (CONST BYTE*)value,
                           (lstrlenW(value) + 1) * sizeof(WCHAR));
      RegCloseKey(key);
      return res;
  }
  
  /***********************************************************************
   *                register_key_defvalueA
   */
  static LONG register_key_defvalueA(HKEY base, WCHAR const *name, char const *value)
  {
      LONG res;
      HKEY key;
  
      res = RegCreateKeyExW(base, name, 0, NULL, 0,
                            KEY_READ | KEY_WRITE, NULL, &key, NULL);
      if (res != ERROR_SUCCESS) return res;
      res = RegSetValueExA(key, NULL, 0, REG_SZ, (CONST BYTE*)value,
                           lstrlenA(value) + 1);
      RegCloseKey(key);
      return res;
  }
  
  /***********************************************************************
   *                register_progid
   */
  static LONG register_progid(WCHAR const *clsid, char const *progid,
                              char const *curver_progid, char const *name,
                              char const *extra)
  {
      LONG res;
      HKEY progid_key;
  
      res = RegCreateKeyExA(HKEY_CLASSES_ROOT, progid, 0,
                            NULL, 0, KEY_READ | KEY_WRITE, NULL,
                            &progid_key, NULL);
      if (res != ERROR_SUCCESS) return res;
  
      if (name)
      {
          res = RegSetValueExA(progid_key, NULL, 0, REG_SZ,
                               (CONST BYTE*)name, strlen(name) + 1);
          if (res != ERROR_SUCCESS) goto error_close_progid_key;
      }
  
      if (clsid)
      {
          res = register_key_defvalueW(progid_key, clsid_keyname, clsid);
          if (res != ERROR_SUCCESS) goto error_close_progid_key;
      }
  
      if (curver_progid)
      {
          res = register_key_defvalueA(progid_key, curver_keyname, curver_progid);
          if (res != ERROR_SUCCESS) goto error_close_progid_key;
      }
  
      if (extra)
      {
          HKEY extra_key;
  
          res = RegCreateKeyExA(progid_key, extra, 0,
                                NULL, 0, KEY_READ | KEY_WRITE, NULL,
                                &extra_key, NULL);
          if (res == ERROR_SUCCESS)
              RegCloseKey(extra_key);
      }
  
  error_close_progid_key:
      RegCloseKey(progid_key);
      return res;
  }
  
  /***********************************************************************
   *                coclass list
   */
  static struct regsvr_coclass const coclass_list[] =
  {
      {
          &CLSID_OLEDB_CONVERSIONLIBRARY,
          "OLE DB Data Conversion Library",
          NULL,
          NULL,
          "oledb32.dll",
          "Both",
          PROGID_CLSID,
          "MSDADC.1",
          "MSDADC",
          NULL,
          NULL
      },
      { NULL }                        /* list terminator */
  };
  
  /***********************************************************************
   *                interface list
   */
  static struct regsvr_interface const interface_list[] =
  {
      { NULL } /* list terminator */
  };
  
  /***********************************************************************
   *                DllRegisterServer
   */
  HRESULT WINAPI DllRegisterServer(void)
  {
      HRESULT hr;
  
      TRACE("\n");
  
      hr = register_coclasses(coclass_list);
      if (SUCCEEDED(hr))
          hr = register_interfaces(interface_list);
      return hr;
  }
  
  /***********************************************************************
   *                DllUnregisterServer
   */
  HRESULT WINAPI DllUnregisterServer(void)
  {
      HRESULT hr;
  
      TRACE("\n");
  
      hr = unregister_coclasses(coclass_list);
      if (SUCCEEDED(hr))
          hr = unregister_interfaces(interface_list);
      return hr;
  }
  