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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:17:27 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:17:27 +0000
commitf215e02bf85f68d3a6106c2a1f4f7f063f819064 (patch)
tree6bb5b92c046312c4e95ac2620b10ddf482d3fa8b /src/VBox/Runtime/common/net/macstr.cpp
parentInitial commit. (diff)
downloadvirtualbox-f215e02bf85f68d3a6106c2a1f4f7f063f819064.tar.xz
virtualbox-f215e02bf85f68d3a6106c2a1f4f7f063f819064.zip
Adding upstream version 7.0.14-dfsg.upstream/7.0.14-dfsg
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/VBox/Runtime/common/net/macstr.cpp')
-rw-r--r--src/VBox/Runtime/common/net/macstr.cpp123
1 files changed, 123 insertions, 0 deletions
diff --git a/src/VBox/Runtime/common/net/macstr.cpp b/src/VBox/Runtime/common/net/macstr.cpp
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+/* $Id: macstr.cpp $ */
+/** @file
+ * IPRT - Command Line Parsing
+ */
+
+/*
+ * Copyright (C) 2013-2023 Oracle and/or its affiliates.
+ *
+ * This file is part of VirtualBox base platform packages, as
+ * available from https://www.virtualbox.org.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, in version 3 of the
+ * License.
+ *
+ * This program 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
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see <https://www.gnu.org/licenses>.
+ *
+ * The contents of this file may alternatively be used under the terms
+ * of the Common Development and Distribution License Version 1.0
+ * (CDDL), a copy of it is provided in the "COPYING.CDDL" file included
+ * in the VirtualBox distribution, in which case the provisions of the
+ * CDDL are applicable instead of those of the GPL.
+ *
+ * You may elect to license modified versions of this file under the
+ * terms and conditions of either the GPL or the CDDL or both.
+ *
+ * SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0
+ */
+
+
+/*********************************************************************************************************************************
+* Header Files *
+*********************************************************************************************************************************/
+#include <iprt/cidr.h>
+#include <iprt/net.h> /* must come before getopt.h */
+#include "internal/iprt.h"
+
+#include <iprt/assert.h>
+#include <iprt/ctype.h>
+#include <iprt/errcore.h>
+#include <iprt/message.h>
+#include <iprt/string.h>
+
+
+/**
+ * Converts an stringified Ethernet MAC address into the RTMAC representation.
+ *
+ * @returns VINF_SUCCESS on success.
+ *
+ * @param pszValue The value to convert.
+ * @param pAddr Where to store the result.
+ */
+RTDECL(int) RTNetStrToMacAddr(const char *pszValue, PRTMAC pAddr)
+{
+ /*
+ * First check if it might be a 12 xdigit string without any separators.
+ */
+ size_t cchValue = strlen(pszValue);
+ if (cchValue >= 12 && memchr(pszValue, ':', 12) == NULL)
+ {
+ bool fOkay = true;
+ for (size_t off = 0; off < 12 && fOkay; off++)
+ fOkay = RT_C_IS_XDIGIT(pszValue[off]);
+ if (fOkay && cchValue > 12)
+ for (size_t off = 12; off < cchValue && fOkay; off++)
+ fOkay = RT_C_IS_SPACE(pszValue[off]);
+ if (fOkay)
+ {
+ int rc = RTStrConvertHexBytes(pszValue, pAddr, sizeof(*pAddr), 0);
+ if (RT_SUCCESS(rc))
+ rc = VINF_SUCCESS;
+ return rc;
+ }
+ }
+
+ /*
+ * Not quite sure if I should accept stuff like "08::27:::1" here...
+ * The code is accepting "::" patterns now, except for for the first
+ * and last parts.
+ */
+
+ /* first */
+ char *pszNext;
+ int rc = RTStrToUInt8Ex(RTStrStripL(pszValue), &pszNext, 16, &pAddr->au8[0]);
+ if (rc != VINF_SUCCESS && rc != VWRN_TRAILING_CHARS)
+ return VERR_INVALID_PARAMETER;
+ if (*pszNext++ != ':')
+ return VERR_INVALID_PARAMETER;
+
+ /* middle */
+ for (unsigned i = 1; i < 5; i++)
+ {
+ if (*pszNext == ':')
+ pAddr->au8[i] = 0;
+ else
+ {
+ rc = RTStrToUInt8Ex(pszNext, &pszNext, 16, &pAddr->au8[i]);
+ if (rc != VINF_SUCCESS && rc != VWRN_TRAILING_CHARS)
+ return rc;
+ if (*pszNext != ':')
+ return VERR_INVALID_PARAMETER;
+ }
+ pszNext++;
+ }
+
+ /* last */
+ rc = RTStrToUInt8Ex(pszNext, &pszNext, 16, &pAddr->au8[5]);
+ if (rc != VINF_SUCCESS && rc != VWRN_TRAILING_SPACES)
+ return rc;
+ pszNext = RTStrStripL(pszNext);
+ if (*pszNext)
+ return VERR_INVALID_PARAMETER;
+
+ return VINF_SUCCESS;
+}
+RT_EXPORT_SYMBOL(RTNetStrToMacAddr);