| 1 | /* $Id: VBoxGuestR3LibCredentials.cpp 30829 2010-07-14 12:50:10Z vboxsync $ */
|
|---|
| 2 | /** @file
|
|---|
| 3 | * VBoxGuestR3Lib - Ring-3 Support Library for VirtualBox guest additions, user credentials.
|
|---|
| 4 | */
|
|---|
| 5 |
|
|---|
| 6 | /*
|
|---|
| 7 | * Copyright (C) 2009 Oracle Corporation
|
|---|
| 8 | *
|
|---|
| 9 | * This file is part of VirtualBox Open Source Edition (OSE), as
|
|---|
| 10 | * available from http://www.virtualbox.org. This file is free software;
|
|---|
| 11 | * you can redistribute it and/or modify it under the terms of the GNU
|
|---|
| 12 | * General Public License (GPL) as published by the Free Software
|
|---|
| 13 | * Foundation, in version 2 as it comes in the "COPYING" file of the
|
|---|
| 14 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
|
|---|
| 15 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
|
|---|
| 16 | *
|
|---|
| 17 | * The contents of this file may alternatively be used under the terms
|
|---|
| 18 | * of the Common Development and Distribution License Version 1.0
|
|---|
| 19 | * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
|
|---|
| 20 | * VirtualBox OSE distribution, in which case the provisions of the
|
|---|
| 21 | * CDDL are applicable instead of those of the GPL.
|
|---|
| 22 | *
|
|---|
| 23 | * You may elect to license modified versions of this file under the
|
|---|
| 24 | * terms and conditions of either the GPL or the CDDL or both.
|
|---|
| 25 | */
|
|---|
| 26 |
|
|---|
| 27 |
|
|---|
| 28 | /*******************************************************************************
|
|---|
| 29 | * Header Files *
|
|---|
| 30 | *******************************************************************************/
|
|---|
| 31 | #include <iprt/asm.h>
|
|---|
| 32 | #include <iprt/mem.h>
|
|---|
| 33 | #include <iprt/rand.h>
|
|---|
| 34 | #include <iprt/string.h>
|
|---|
| 35 | #include <VBox/log.h>
|
|---|
| 36 |
|
|---|
| 37 | #include "VBGLR3Internal.h"
|
|---|
| 38 |
|
|---|
| 39 |
|
|---|
| 40 | /**
|
|---|
| 41 | * Checks whether user credentials are available to the guest or not.
|
|---|
| 42 | *
|
|---|
| 43 | * @returns IPRT status value; VINF_SUCCESS if credentials are available,
|
|---|
| 44 | * VERR_NOT_FOUND if not. Otherwise an error is occured.
|
|---|
| 45 | */
|
|---|
| 46 | VBGLR3DECL(int) VbglR3CredentialsQueryAvailability(void)
|
|---|
| 47 | {
|
|---|
| 48 | VMMDevCredentials Req;
|
|---|
| 49 | RT_ZERO(Req);
|
|---|
| 50 | vmmdevInitRequest((VMMDevRequestHeader*)&Req, VMMDevReq_QueryCredentials);
|
|---|
| 51 | Req.u32Flags |= VMMDEV_CREDENTIALS_QUERYPRESENCE;
|
|---|
| 52 |
|
|---|
| 53 | int rc = vbglR3GRPerform(&Req.header);
|
|---|
| 54 | if (RT_SUCCESS(rc))
|
|---|
| 55 | {
|
|---|
| 56 | if ((Req.u32Flags & VMMDEV_CREDENTIALS_PRESENT) == 0)
|
|---|
| 57 | rc = VERR_NOT_FOUND;
|
|---|
| 58 | }
|
|---|
| 59 | return rc;
|
|---|
| 60 | }
|
|---|
| 61 |
|
|---|
| 62 |
|
|---|
| 63 | /**
|
|---|
| 64 | * Retrieves and clears the user credentials for logging into the guest OS.
|
|---|
| 65 | *
|
|---|
| 66 | * @returns IPRT status value
|
|---|
| 67 | * @param ppszUser Receives pointer of allocated user name string.
|
|---|
| 68 | * The returned pointer must be freed using VbglR3CredentialsDestroy().
|
|---|
| 69 | * @param ppszPassword Receives pointer of allocated user password string.
|
|---|
| 70 | * The returned pointer must be freed using VbglR3CredentialsDestroy().
|
|---|
| 71 | * @param ppszDomain Receives pointer of allocated domain name string.
|
|---|
| 72 | * The returned pointer must be freed using VbglR3CredentialsDestroy().
|
|---|
| 73 | */
|
|---|
| 74 | VBGLR3DECL(int) VbglR3CredentialsRetrieve(char **ppszUser, char **ppszPassword, char **ppszDomain)
|
|---|
| 75 | {
|
|---|
| 76 | VMMDevCredentials Req;
|
|---|
| 77 | RT_ZERO(Req);
|
|---|
| 78 | vmmdevInitRequest((VMMDevRequestHeader*)&Req, VMMDevReq_QueryCredentials);
|
|---|
| 79 | Req.u32Flags |= VMMDEV_CREDENTIALS_READ | VMMDEV_CREDENTIALS_CLEAR;
|
|---|
| 80 |
|
|---|
| 81 | int rc = vbglR3GRPerform(&Req.header);
|
|---|
| 82 | if (RT_SUCCESS(rc))
|
|---|
| 83 | {
|
|---|
| 84 | rc = RTStrDupEx(ppszUser, Req.szUserName);
|
|---|
| 85 | if (RT_SUCCESS(rc))
|
|---|
| 86 | {
|
|---|
| 87 | rc = RTStrDupEx(ppszPassword, Req.szPassword);
|
|---|
| 88 | if (RT_SUCCESS(rc))
|
|---|
| 89 | {
|
|---|
| 90 | rc = RTStrDupEx(ppszDomain, Req.szDomain);
|
|---|
| 91 | if (RT_SUCCESS(rc))
|
|---|
| 92 | return VINF_SUCCESS;
|
|---|
| 93 |
|
|---|
| 94 | RTStrFree(*ppszPassword);
|
|---|
| 95 | }
|
|---|
| 96 | RTStrFree(*ppszUser);
|
|---|
| 97 | }
|
|---|
| 98 | }
|
|---|
| 99 | return rc;
|
|---|
| 100 | }
|
|---|
| 101 |
|
|---|
| 102 |
|
|---|
| 103 | /**
|
|---|
| 104 | * Clears and frees the three strings.
|
|---|
| 105 | *
|
|---|
| 106 | * @param pszUser Receives pointer of the user name string to destroy.
|
|---|
| 107 | * Optional.
|
|---|
| 108 | * @param pszPassword Receives pointer of the password string to destroy.
|
|---|
| 109 | * Optional.
|
|---|
| 110 | * @param pszDomain Receives pointer of allocated domain name string.
|
|---|
| 111 | * Optional.
|
|---|
| 112 | * @param cPasses Number of wipe passes. The more the better + slower.
|
|---|
| 113 | */
|
|---|
| 114 | VBGLR3DECL(void) VbglR3CredentialsDestroy(char *pszUser, char *pszPassword, char *pszDomain, uint32_t cPasses)
|
|---|
| 115 | {
|
|---|
| 116 | /* wipe first */
|
|---|
| 117 | if (pszUser)
|
|---|
| 118 | RTMemWipeThoroughly(pszUser, strlen(pszUser) + 1, cPasses);
|
|---|
| 119 | if (pszPassword)
|
|---|
| 120 | RTMemWipeThoroughly(pszPassword, strlen(pszPassword) + 1, cPasses);
|
|---|
| 121 | if (pszDomain)
|
|---|
| 122 | RTMemWipeThoroughly(pszDomain, strlen(pszDomain) + 1, cPasses);
|
|---|
| 123 |
|
|---|
| 124 | /* then free. */
|
|---|
| 125 | RTStrFree(pszUser);
|
|---|
| 126 | RTStrFree(pszPassword);
|
|---|
| 127 | RTStrFree(pszDomain);
|
|---|
| 128 | }
|
|---|
| 129 |
|
|---|
