| 1 | /* $Id: macstr.cpp 76553 2019-01-01 01:45:53Z vboxsync $ */
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| 2 | /** @file
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| 3 | * IPRT - Command Line Parsing
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| 4 | */
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| 5 |
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| 6 | /*
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| 7 | * Copyright (C) 2013-2019 Oracle Corporation
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| 8 | *
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| 9 | * This file is part of VirtualBox Open Source Edition (OSE), as
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| 10 | * available from http://www.virtualbox.org. This file is free software;
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| 11 | * you can redistribute it and/or modify it under the terms of the GNU
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| 12 | * General Public License (GPL) as published by the Free Software
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| 13 | * Foundation, in version 2 as it comes in the "COPYING" file of the
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| 14 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
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| 15 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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| 16 | *
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| 17 | * The contents of this file may alternatively be used under the terms
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| 18 | * of the Common Development and Distribution License Version 1.0
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| 19 | * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
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| 20 | * VirtualBox OSE distribution, in which case the provisions of the
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| 21 | * CDDL are applicable instead of those of the GPL.
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| 22 | *
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| 23 | * You may elect to license modified versions of this file under the
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| 24 | * terms and conditions of either the GPL or the CDDL or both.
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| 25 | */
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| 26 |
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| 27 |
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| 28 | /*********************************************************************************************************************************
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| 29 | * Header Files *
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| 30 | *********************************************************************************************************************************/
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| 31 | #include <iprt/cidr.h>
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| 32 | #include <iprt/net.h> /* must come before getopt.h */
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| 33 | #include "internal/iprt.h"
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| 34 |
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| 35 | #include <iprt/assert.h>
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| 36 | #include <iprt/ctype.h>
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| 37 | #include <iprt/errcore.h>
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| 38 | #include <iprt/message.h>
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| 39 | #include <iprt/string.h>
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| 40 |
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| 41 |
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| 42 | /**
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| 43 | * Converts an stringified Ethernet MAC address into the RTMAC representation.
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| 44 | *
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| 45 | * @returns VINF_SUCCESS on success.
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| 46 | *
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| 47 | * @param pszValue The value to convert.
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| 48 | * @param pAddr Where to store the result.
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| 49 | */
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| 50 | RTDECL(int) RTNetStrToMacAddr(const char *pszValue, PRTMAC pAddr)
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| 51 | {
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| 52 | /*
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| 53 | * Not quite sure if I should accept stuff like "08::27:::1" here...
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| 54 | * The code is accepting "::" patterns now, except for for the first
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| 55 | * and last parts.
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| 56 | */
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| 57 |
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| 58 | /* first */
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| 59 | char *pszNext;
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| 60 | int rc = RTStrToUInt8Ex(RTStrStripL(pszValue), &pszNext, 16, &pAddr->au8[0]);
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| 61 | if (rc != VINF_SUCCESS && rc != VWRN_TRAILING_CHARS)
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| 62 | return VERR_INVALID_PARAMETER;
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| 63 | if (*pszNext++ != ':')
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| 64 | return VERR_INVALID_PARAMETER;
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| 65 |
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| 66 | /* middle */
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| 67 | for (unsigned i = 1; i < 5; i++)
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| 68 | {
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| 69 | if (*pszNext == ':')
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| 70 | pAddr->au8[i] = 0;
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| 71 | else
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| 72 | {
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| 73 | rc = RTStrToUInt8Ex(pszNext, &pszNext, 16, &pAddr->au8[i]);
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| 74 | if (rc != VINF_SUCCESS && rc != VWRN_TRAILING_CHARS)
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| 75 | return rc;
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| 76 | if (*pszNext != ':')
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| 77 | return VERR_INVALID_PARAMETER;
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| 78 | }
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| 79 | pszNext++;
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| 80 | }
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| 81 |
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| 82 | /* last */
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| 83 | rc = RTStrToUInt8Ex(pszNext, &pszNext, 16, &pAddr->au8[5]);
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| 84 | if (rc != VINF_SUCCESS && rc != VWRN_TRAILING_SPACES)
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| 85 | return rc;
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| 86 | pszNext = RTStrStripL(pszNext);
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| 87 | if (*pszNext)
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| 88 | return VERR_INVALID_PARAMETER;
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| 89 |
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| 90 | return VINF_SUCCESS;
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| 91 | }
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| 92 | RT_EXPORT_SYMBOL(RTNetStrToMacAddr);
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