msvcrt: Added _swscanf_l implementation.
[wine] / dlls / wiaservc / wiaservc_main.c
1 /*
2  * Main DLL interface to WIA Device Manager
3  *
4  * Copyright 2009 Damjan Jovanovic
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 <stdio.h>
22
23 #include "objbase.h"
24 #include "winuser.h"
25 #include "winreg.h"
26 #include "advpub.h"
27 #include "olectl.h"
28 #include "winsvc.h"
29
30 #include "wia_lh.h"
31 #include "initguid.h"
32
33 #include "wiaservc_private.h"
34
35 #include "wine/debug.h"
36
37 WINE_DEFAULT_DEBUG_CHANNEL(wia);
38
39 /* Handle to the base address of this DLL */
40 static HINSTANCE hInst;
41
42 /* Entry point for DLL */
43 BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved)
44 {
45     TRACE("(%p, %d, %p)\n", hinstDLL, fdwReason, lpvReserved);
46
47     switch (fdwReason)
48     {
49         case DLL_WINE_PREATTACH:
50             return FALSE;  /* prefer native version */
51         case DLL_PROCESS_ATTACH:
52             DisableThreadLibraryCalls(hinstDLL);
53             hInst = hinstDLL;
54             break;
55         case DLL_PROCESS_DETACH:
56             break;
57     }
58
59     return TRUE;
60 }
61
62 static HRESULT init_register_strtable(STRTABLEA *strtable)
63 {
64 #define CLSID_EXPANSION_ENTRY(id) { "CLSID_" #id, &CLSID_ ## id }
65     static const struct {
66         const char *name;
67         const CLSID *clsid;
68     } expns[] =  {
69         CLSID_EXPANSION_ENTRY(WiaDevMgr)
70     };
71 #undef CLSID_EXPANSION_ENTRY
72     static STRENTRYA pse[sizeof expns / sizeof expns[0]];
73     DWORD i;
74
75     strtable->cEntries = sizeof pse / sizeof pse[0];
76     strtable->pse = pse;
77     for (i = 0; i < strtable->cEntries; i++) {
78         static const char dummy_sample[] = "{12345678-1234-1234-1234-123456789012}";
79         const CLSID *clsid = expns[i].clsid;
80         pse[i].pszName = wiaservc_strdup(expns[i].name);
81         pse[i].pszValue = HeapAlloc(GetProcessHeap(), 0, sizeof dummy_sample);
82         if (!pse[i].pszName || !pse[i].pszValue)
83             return E_OUTOFMEMORY;
84         sprintf(pse[i].pszValue, "{%08X-%04X-%04X-%02X%02X-%02X%02X%02X%02X%02X%02X}",
85                 clsid->Data1, clsid->Data2, clsid->Data3, clsid->Data4[0],
86                 clsid->Data4[1], clsid->Data4[2], clsid->Data4[3], clsid->Data4[4],
87                 clsid->Data4[5], clsid->Data4[6], clsid->Data4[7]);
88     }
89
90     return S_OK;
91 }
92
93 static void cleanup_register_strtable(STRTABLEA *strtable)
94 {
95     DWORD i;
96     for (i = 0; i < strtable->cEntries; i++) {
97         HeapFree(GetProcessHeap(), 0, strtable->pse[i].pszName);
98         HeapFree(GetProcessHeap(), 0, strtable->pse[i].pszValue);
99         if (!strtable->pse[i].pszName || !strtable->pse[i].pszValue)
100             return;
101     }
102 }
103
104 static HRESULT register_service(BOOL do_register)
105 {
106     static const WCHAR name[] = { 's','t','i','s','v','c', 0 };
107     static const WCHAR path[] = { 's','v','c','h','o','s','t','.','e','x','e',
108                                   ' ','-','k',' ','i','m','g','s','v','c', 0 };
109     SC_HANDLE scm, service;
110
111     scm = OpenSCManagerW(NULL, NULL, SC_MANAGER_ALL_ACCESS);
112     if (!scm)
113         return SELFREG_E_CLASS;
114
115     if (do_register)
116         service = CreateServiceW(scm, name, name, SERVICE_ALL_ACCESS,
117                                  SERVICE_WIN32_OWN_PROCESS,
118                                  SERVICE_DEMAND_START, SERVICE_ERROR_NORMAL,
119                                  path, NULL, NULL, NULL, NULL, NULL);
120     else
121         service = OpenServiceW(scm, name, DELETE);
122
123
124     CloseServiceHandle(scm);
125     if (service)
126     {
127         if (!do_register) DeleteService(service);
128         CloseServiceHandle(service);
129     }
130     return S_OK;
131 }
132
133 /* Use an INF file to register or unregister the DLL */
134 static HRESULT register_server(BOOL do_register)
135 {
136     HRESULT hr;
137     STRTABLEA strtable;
138     HMODULE hAdvpack;
139     HRESULT (WINAPI *pRegInstall)(HMODULE hm, LPCSTR pszSection, const STRTABLEA* pstTable);
140     static const WCHAR wszAdvpack[] = {'a','d','v','p','a','c','k','.','d','l','l',0};
141
142     TRACE("(%x)\n", do_register);
143
144     hr = register_service(do_register);
145     if (FAILED(hr)) {
146         ERR("register_service failed: %d\n", GetLastError());
147         return hr;
148     }
149
150     hAdvpack = LoadLibraryW(wszAdvpack);
151     pRegInstall = (void *)GetProcAddress(hAdvpack, "RegInstall");
152
153     hr = init_register_strtable(&strtable);
154     if (SUCCEEDED(hr))
155         hr = pRegInstall(hInst, do_register ? "RegisterDll" : "UnregisterDll",
156                          &strtable);
157     cleanup_register_strtable(&strtable);
158
159     if (FAILED(hr))
160         ERR("RegInstall failed: %08x\n", hr);
161
162     return hr;
163 }
164
165 HRESULT WINAPI DllRegisterServer(void)
166 {
167     return register_server(TRUE);
168 }
169
170 HRESULT WINAPI DllUnregisterServer(void)
171 {
172     return register_server(FALSE);
173 }