| 1 | /* $Id: VBoxCommon.cpp 98103 2023-01-17 14:15:46Z vboxsync $ */
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| 2 | /** @file
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| 3 | * VBoxCommon - Misc helper routines for install helper.
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| 4 | *
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| 5 | * This is used by internal/serial.cpp and VBoxInstallHelper.cpp.
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| 6 | */
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| 7 |
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| 8 | /*
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| 9 | * Copyright (C) 2008-2023 Oracle and/or its affiliates.
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| 10 | *
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| 11 | * This file is part of VirtualBox base platform packages, as
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| 12 | * available from https://www.215389.xyz.
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| 13 | *
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| 14 | * This program is free software; you can redistribute it and/or
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| 15 | * modify it under the terms of the GNU General Public License
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| 16 | * as published by the Free Software Foundation, in version 3 of the
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| 17 | * License.
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| 18 | *
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| 19 | * This program is distributed in the hope that it will be useful, but
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| 20 | * WITHOUT ANY WARRANTY; without even the implied warranty of
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| 21 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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| 22 | * General Public License for more details.
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| 23 | *
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| 24 | * You should have received a copy of the GNU General Public License
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| 25 | * along with this program; if not, see <https://www.gnu.org/licenses>.
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| 26 | *
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| 27 | * SPDX-License-Identifier: GPL-3.0-only
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| 28 | */
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| 29 |
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| 30 |
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| 31 | /*********************************************************************************************************************************
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| 32 | * Header Files *
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| 33 | *********************************************************************************************************************************/
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| 34 | #include <iprt/win/windows.h>
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| 35 | #include <msi.h>
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| 36 | #include <msiquery.h>
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| 37 |
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| 38 | #include <iprt/string.h>
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| 39 | #include <iprt/utf16.h>
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| 40 |
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| 41 |
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| 42 | UINT VBoxGetMsiProp(MSIHANDLE hMsi, const WCHAR *pwszName, WCHAR *pwszValueBuf, DWORD cwcValueBuf)
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| 43 | {
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| 44 | RT_BZERO(pwszValueBuf, cwcValueBuf * sizeof(pwszValueBuf[0]));
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| 45 |
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| 46 | /** @todo r=bird: why do we need to query the size first and then the data.
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| 47 | * The API should be perfectly capable of doing that without our help. */
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| 48 | DWORD cwcNeeded = 0;
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| 49 | UINT uiRet = MsiGetPropertyW(hMsi, pwszName, L"", &cwcNeeded);
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| 50 | if (uiRet == ERROR_MORE_DATA)
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| 51 | {
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| 52 | ++cwcNeeded; /* On output does not include terminating null, so add 1. */
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| 53 |
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| 54 | if (cwcNeeded > cwcValueBuf)
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| 55 | return ERROR_MORE_DATA;
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| 56 | uiRet = MsiGetPropertyW(hMsi, pwszName, pwszValueBuf, &cwcNeeded);
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| 57 | }
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| 58 | return uiRet;
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| 59 | }
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| 60 |
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| 61 | #if 0 /* unused */
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| 62 | /**
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| 63 | * Retrieves a MSI property (in UTF-8).
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| 64 | *
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| 65 | * Convenience function for VBoxGetMsiProp().
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| 66 | *
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| 67 | * @returns VBox status code.
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| 68 | * @param hMsi MSI handle to use.
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| 69 | * @param pcszName Name of property to retrieve.
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| 70 | * @param ppszValue Where to store the allocated value on success.
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| 71 | * Must be free'd using RTStrFree() by the caller.
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| 72 | */
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| 73 | int VBoxGetMsiPropUtf8(MSIHANDLE hMsi, const char *pcszName, char **ppszValue)
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| 74 | {
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| 75 | PRTUTF16 pwszName;
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| 76 | int rc = RTStrToUtf16(pcszName, &pwszName);
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| 77 | if (RT_SUCCESS(rc))
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| 78 | {
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| 79 | WCHAR wszValue[1024]; /* 1024 should be enough for everybody (tm). */
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| 80 | if (VBoxGetMsiProp(hMsi, pwszName, wszValue, sizeof(wszValue)) == ERROR_SUCCESS)
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| 81 | rc = RTUtf16ToUtf8(wszValue, ppszValue);
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| 82 | else
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| 83 | rc = VERR_NOT_FOUND;
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| 84 |
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| 85 | RTUtf16Free(pwszName);
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| 86 | }
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| 87 |
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| 88 | return rc;
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| 89 | }
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| 90 | #endif
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| 91 |
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| 92 | UINT VBoxSetMsiProp(MSIHANDLE hMsi, const WCHAR *pwszName, const WCHAR *pwszValue)
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| 93 | {
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| 94 | return MsiSetPropertyW(hMsi, pwszName, pwszValue);
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| 95 | }
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| 96 |
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| 97 | UINT VBoxSetMsiPropDWORD(MSIHANDLE hMsi, const WCHAR *pwszName, DWORD dwVal)
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| 98 | {
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| 99 | wchar_t wszTemp[32];
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| 100 | RTUtf16Printf(wszTemp, RT_ELEMENTS(wszTemp), "%u", dwVal);
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| 101 | return VBoxSetMsiProp(hMsi, pwszName, wszTemp);
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| 102 | }
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| 103 |
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