dlls/qmgr/qmgr_main.c

   1 /*
   2  * Main DLL interface to Queue Manager (BITS)
   3  *
   4  * Background Intelligent Transfer Service (BITS) interface.  Dll is named
   5  * qmgr for backwards compatibility with early versions of BITS.
   6  *
   7  * Copyright 2007 Google (Roy Shea)
   8  *
   9  * This library is free software; you can redistribute it and/or
  10  * modify it under the terms of the GNU Lesser General Public
  11  * License as published by the Free Software Foundation; either
  12  * version 2.1 of the License, or (at your option) any later version.
  13  *
  14  * This library is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  17  * Lesser General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU Lesser General Public
  20  * License along with this library; if not, write to the Free Software
  21  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  22  */
  23
  24 #include <stdio.h>
  25
  26 #include "objbase.h"
  27 #include "winuser.h"
  28 #include "winreg.h"
  29 #include "advpub.h"
  30 #include "olectl.h"
  31 #include "winsvc.h"
  32
  33 #include "bits.h"
  34 #include "qmgr.h"
  35 #include "initguid.h"
  36
  37 #include "wine/debug.h"
  38
  39 WINE_DEFAULT_DEBUG_CHANNEL(qmgr);
  40
  41 /* Handle to the base address of this DLL */
  42 static HINSTANCE hInst;
  43
  44 /* Other GUIDs used by this module */
  45 DEFINE_GUID(CLSID_BackgroundCopyQMgr, 0x69AD4AEE, 0x51BE, 0x439b, 0xA9,0x2C, 0x86,0xAE,0x49,0x0E,0x8B,0x30);
  46
  47 /* Entry point for DLL */
  48 BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved)
  49 {
  50     TRACE("(%p, %d, %p)\n", hinstDLL, fdwReason, lpvReserved);
  51
  52     switch (fdwReason)
  53     {
  54         case DLL_WINE_PREATTACH:
  55             return FALSE;  /* prefer native version */
  56         case DLL_PROCESS_ATTACH:
  57             DisableThreadLibraryCalls(hinstDLL);
  58             hInst = hinstDLL;
  59             break;
  60         case DLL_PROCESS_DETACH:
  61             break;
  62     }
  63
  64     return TRUE;
  65 }
  66
  67 static HRESULT init_register_strtable(STRTABLEA *strtable)
  68 {
  69 #define CLSID_EXPANSION_ENTRY(id) { "CLSID_" #id, &CLSID_ ## id }
  70     static const struct {
  71         const char *name;
  72         const CLSID *clsid;
  73     } expns[] =  {
  74         CLSID_EXPANSION_ENTRY(BackgroundCopyQMgr),
  75         CLSID_EXPANSION_ENTRY(BackgroundCopyManager)
  76     };
  77 #undef CLSID_EXPANSION_ENTRY
  78     static STRENTRYA pse[sizeof expns / sizeof expns[0]];
  79     DWORD i;
  80
  81     strtable->cEntries = sizeof pse / sizeof pse[0];
  82     strtable->pse = pse;
  83     for (i = 0; i < strtable->cEntries; i++) {
  84         static const char dummy_sample[] = "{12345678-1234-1234-1234-123456789012}";
  85         const CLSID *clsid = expns[i].clsid;
  86         pse[i].pszName = qmgr_strdup(expns[i].name);
  87         pse[i].pszValue = HeapAlloc(GetProcessHeap(), 0, sizeof dummy_sample);
  88         if (!pse[i].pszName || !pse[i].pszValue)
  89             return E_OUTOFMEMORY;
  90         sprintf(pse[i].pszValue, "{%08X-%04X-%04X-%02X%02X-%02X%02X%02X%02X%02X%02X}",
  91                 clsid->Data1, clsid->Data2, clsid->Data3, clsid->Data4[0],
  92                 clsid->Data4[1], clsid->Data4[2], clsid->Data4[3], clsid->Data4[4],
  93                 clsid->Data4[5], clsid->Data4[6], clsid->Data4[7]);
  94     }
  95
  96     return S_OK;
  97 }
  98
  99 static void cleanup_register_strtable(STRTABLEA *strtable)
 100 {
 101     DWORD i;
 102     for (i = 0; i < strtable->cEntries; i++) {
 103         HeapFree(GetProcessHeap(), 0, strtable->pse[i].pszName);
 104         HeapFree(GetProcessHeap(), 0, strtable->pse[i].pszValue);
 105         if (!strtable->pse[i].pszName || !strtable->pse[i].pszValue)
 106             return;
 107     }
 108 }
 109
 110 static HRESULT register_service(BOOL do_register)
 111 {
 112     static const WCHAR name[] = { 'B','I','T','S', 0 };
 113     static const WCHAR path[] = { 's','v','c','h','o','s','t','.','e','x','e',
 114                                   ' ','-','k',' ','n','e','t','s','v','c','s', 0 };
 115     SC_HANDLE scm, service;
 116
 117     scm = OpenSCManagerW(NULL, NULL, SC_MANAGER_ALL_ACCESS);
 118     if (!scm)
 119         return SELFREG_E_CLASS;
 120
 121     if (do_register)
 122         service = CreateServiceW(scm, name, name, SERVICE_ALL_ACCESS,
 123                                  SERVICE_WIN32_OWN_PROCESS,
 124                                  SERVICE_DEMAND_START, SERVICE_ERROR_NORMAL,
 125                                  path, NULL, NULL, NULL, NULL, NULL);
 126     else
 127         service = OpenServiceW(scm, name, DELETE);
 128
 129
 130     CloseServiceHandle(scm);
 131     if (service)
 132     {
 133         if (!do_register) DeleteService(service);
 134         CloseServiceHandle(service);
 135     }
 136     return S_OK;
 137 }
 138
 139 /* Use an INF file to register or unregister the DLL */
 140 static HRESULT register_server(BOOL do_register)
 141 {
 142     HRESULT hr;
 143     STRTABLEA strtable;
 144     HMODULE hAdvpack;
 145     HRESULT (WINAPI *pRegInstall)(HMODULE hm, LPCSTR pszSection, const STRTABLEA* pstTable);
 146     static const WCHAR wszAdvpack[] = {'a','d','v','p','a','c','k','.','d','l','l',0};
 147
 148     TRACE("(%x)\n", do_register);
 149
 150     hr = register_service(do_register);
 151     if (FAILED(hr)) {
 152         ERR("register_service failed: %d\n", GetLastError());
 153         return hr;
 154     }
 155
 156     hAdvpack = LoadLibraryW(wszAdvpack);
 157     pRegInstall = (void *)GetProcAddress(hAdvpack, "RegInstall");
 158
 159     hr = init_register_strtable(&strtable);
 160     if (SUCCEEDED(hr))
 161         hr = pRegInstall(hInst, do_register ? "RegisterDll" : "UnregisterDll",
 162                          &strtable);
 163     cleanup_register_strtable(&strtable);
 164
 165     if (FAILED(hr))
 166         ERR("RegInstall failed: %08x\n", hr);
 167
 168     return hr;
 169 }
 170
 171 HRESULT WINAPI DllRegisterServer(void)
 172 {
 173     return register_server(TRUE);
 174 }
 175
 176 HRESULT WINAPI DllUnregisterServer(void)
 177 {
 178     return register_server(FALSE);
 179 }