wiaservc_main.c 5.14 KB
Newer Older
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
/*
 * Main DLL interface to WIA Device Manager
 *
 * Copyright 2009 Damjan Jovanovic
 *
 * 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
 */

21 22
#include <stdio.h>

23 24 25 26 27 28 29
#include "objbase.h"
#include "winuser.h"
#include "winreg.h"
#include "advpub.h"
#include "olectl.h"
#include "winsvc.h"

30
#include "wia_lh.h"
31 32
#include "initguid.h"

33 34
#include "wiaservc_private.h"

35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60
#include "wine/debug.h"

WINE_DEFAULT_DEBUG_CHANNEL(wia);

/* Handle to the base address of this DLL */
static HINSTANCE hInst;

/* Entry point for DLL */
BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved)
{
    TRACE("(%p, %d, %p)\n", hinstDLL, fdwReason, lpvReserved);

    switch (fdwReason)
    {
        case DLL_WINE_PREATTACH:
            return FALSE;  /* prefer native version */
        case DLL_PROCESS_ATTACH:
            DisableThreadLibraryCalls(hinstDLL);
            hInst = hinstDLL;
            break;
        case DLL_PROCESS_DETACH:
            break;
    }

    return TRUE;
}
61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173

static HRESULT init_register_strtable(STRTABLEA *strtable)
{
#define CLSID_EXPANSION_ENTRY(id) { "CLSID_" #id, &CLSID_ ## id }
    static const struct {
        const char *name;
        const CLSID *clsid;
    } expns[] =  {
        CLSID_EXPANSION_ENTRY(WiaDevMgr)
    };
#undef CLSID_EXPANSION_ENTRY
    static STRENTRYA pse[sizeof expns / sizeof expns[0]];
    DWORD i;

    strtable->cEntries = sizeof pse / sizeof pse[0];
    strtable->pse = pse;
    for (i = 0; i < strtable->cEntries; i++) {
        static const char dummy_sample[] = "{12345678-1234-1234-1234-123456789012}";
        const CLSID *clsid = expns[i].clsid;
        pse[i].pszName = wiaservc_strdup(expns[i].name);
        pse[i].pszValue = HeapAlloc(GetProcessHeap(), 0, sizeof dummy_sample);
        if (!pse[i].pszName || !pse[i].pszValue)
            return E_OUTOFMEMORY;
        sprintf(pse[i].pszValue, "{%08X-%04X-%04X-%02X%02X-%02X%02X%02X%02X%02X%02X}",
                clsid->Data1, clsid->Data2, clsid->Data3, clsid->Data4[0],
                clsid->Data4[1], clsid->Data4[2], clsid->Data4[3], clsid->Data4[4],
                clsid->Data4[5], clsid->Data4[6], clsid->Data4[7]);
    }

    return S_OK;
}

static void cleanup_register_strtable(STRTABLEA *strtable)
{
    DWORD i;
    for (i = 0; i < strtable->cEntries; i++) {
        HeapFree(GetProcessHeap(), 0, strtable->pse[i].pszName);
        HeapFree(GetProcessHeap(), 0, strtable->pse[i].pszValue);
        if (!strtable->pse[i].pszName || !strtable->pse[i].pszValue)
            return;
    }
}

static HRESULT register_service(BOOL do_register)
{
    static const WCHAR name[] = { 's','t','i','s','v','c', 0 };
    static const WCHAR path[] = { 's','v','c','h','o','s','t','.','e','x','e',
                                  ' ','-','k',' ','i','m','g','s','v','c', 0 };
    SC_HANDLE scm, service;

    scm = OpenSCManagerW(NULL, NULL, SC_MANAGER_ALL_ACCESS);
    if (!scm)
        return SELFREG_E_CLASS;

    if (do_register)
        service = CreateServiceW(scm, name, name, SERVICE_ALL_ACCESS,
                                 SERVICE_WIN32_OWN_PROCESS,
                                 SERVICE_DEMAND_START, SERVICE_ERROR_NORMAL,
                                 path, NULL, NULL, NULL, NULL, NULL);
    else
        service = OpenServiceW(scm, name, DELETE);


    CloseServiceHandle(scm);
    if (service)
    {
        if (!do_register) DeleteService(service);
        CloseServiceHandle(service);
    }
    return S_OK;
}

/* Use an INF file to register or unregister the DLL */
static HRESULT register_server(BOOL do_register)
{
    HRESULT hr;
    STRTABLEA strtable;
    HMODULE hAdvpack;
    HRESULT (WINAPI *pRegInstall)(HMODULE hm, LPCSTR pszSection, const STRTABLEA* pstTable);
    static const WCHAR wszAdvpack[] = {'a','d','v','p','a','c','k','.','d','l','l',0};

    TRACE("(%x)\n", do_register);

    hr = register_service(do_register);
    if (FAILED(hr)) {
        ERR("register_service failed: %d\n", GetLastError());
        return hr;
    }

    hAdvpack = LoadLibraryW(wszAdvpack);
    pRegInstall = (void *)GetProcAddress(hAdvpack, "RegInstall");

    hr = init_register_strtable(&strtable);
    if (SUCCEEDED(hr))
        hr = pRegInstall(hInst, do_register ? "RegisterDll" : "UnregisterDll",
                         &strtable);
    cleanup_register_strtable(&strtable);

    if (FAILED(hr))
        ERR("RegInstall failed: %08x\n", hr);

    return hr;
}

HRESULT WINAPI DllRegisterServer(void)
{
    return register_server(TRUE);
}

HRESULT WINAPI DllUnregisterServer(void)
{
    return register_server(FALSE);
}