From f215e02bf85f68d3a6106c2a1f4f7f063f819064 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Thu, 11 Apr 2024 10:17:27 +0200 Subject: Adding upstream version 7.0.14-dfsg. Signed-off-by: Daniel Baumann --- include/VBox/VBoxPktDmp.h | 186 ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 186 insertions(+) create mode 100644 include/VBox/VBoxPktDmp.h (limited to 'include/VBox/VBoxPktDmp.h') diff --git a/include/VBox/VBoxPktDmp.h b/include/VBox/VBoxPktDmp.h new file mode 100644 index 00000000..a6f232b3 --- /dev/null +++ b/include/VBox/VBoxPktDmp.h @@ -0,0 +1,186 @@ +/* $Id: VBoxPktDmp.h $ */ +/** @file + * VBoxPktDmp.h - Dump Ethernet frame into debug log. + */ + +/* + * Copyright (C) 2016-2023 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 . + * + * 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 + */ + +#ifndef VBOX_INCLUDED_VBoxPktDmp_h +#define VBOX_INCLUDED_VBoxPktDmp_h +#ifndef RT_WITHOUT_PRAGMA_ONCE +# pragma once +#endif + +#include +#include +#if defined(LOG_ENABLED) && !defined(VBOX_DEVICE_STRUCT_TESTCASE) +# include +#endif + + +DECLINLINE(const char *) vboxEthTypeStr(uint16_t uType) +{ + switch (uType) + { + case RTNET_ETHERTYPE_IPV4: return "IP"; + case RTNET_ETHERTYPE_IPV6: return "IPv6"; + case RTNET_ETHERTYPE_ARP: return "ARP"; + } + return "unknown"; +} + + +DECLINLINE(void) vboxEthPacketDump(const char *pcszInstance, const char *pcszText, const uint8_t *pcPacket, uint32_t cb) +{ +#if defined(LOG_ENABLED) && !defined(VBOX_DEVICE_STRUCT_TESTCASE) + AssertReturnVoid(cb >= 14); + + const uint8_t *pHdr = pcPacket; + const uint8_t *pEnd = pcPacket + cb; + AssertReturnVoid(pEnd - pHdr >= 14); + uint16_t uEthType = RT_N2H_U16(*(uint16_t*)(pHdr+12)); + Log2(("%s: %s (%d bytes), %RTmac => %RTmac, EthType=%s(0x%x)\n", pcszInstance, + pcszText, cb, pHdr+6, pHdr, vboxEthTypeStr(uEthType), uEthType)); + pHdr += sizeof(RTNETETHERHDR); + if (uEthType == RTNET_ETHERTYPE_VLAN) + { + AssertReturnVoid(pEnd - pHdr >= 4); + uEthType = RT_N2H_U16(*(uint16_t*)(pHdr+2)); + Log2((" + VLAN: id=%d EthType=%s(0x%x)\n", RT_N2H_U16(*(uint16_t*)(pHdr)) & 0xFFF, + vboxEthTypeStr(uEthType), uEthType)); + pHdr += 2 * sizeof(uint16_t); + } + uint8_t uProto = 0xFF; + switch (uEthType) + { + case RTNET_ETHERTYPE_IPV6: + AssertReturnVoid(pEnd - pHdr >= 40); + uProto = pHdr[6]; + Log2((" + IPv6: %RTnaipv6 => %RTnaipv6\n", pHdr+8, pHdr+24)); + pHdr += 40; + break; + case RTNET_ETHERTYPE_IPV4: + AssertReturnVoid(pEnd - pHdr >= 20); + uProto = pHdr[9]; + Log2((" + IP: %RTnaipv4 => %RTnaipv4\n", *(uint32_t*)(pHdr+12), *(uint32_t*)(pHdr+16))); + pHdr += (pHdr[0] & 0xF) * 4; + break; + case RTNET_ETHERTYPE_ARP: + AssertReturnVoid(pEnd - pHdr >= 28); + AssertReturnVoid(RT_N2H_U16(*(uint16_t*)(pHdr+2)) == RTNET_ETHERTYPE_IPV4); + switch (RT_N2H_U16(*(uint16_t*)(pHdr+6))) + { + case 1: /* ARP request */ + Log2((" + ARP-REQ: who-has %RTnaipv4 tell %RTnaipv4\n", + *(uint32_t*)(pHdr+24), *(uint32_t*)(pHdr+14))); + break; + case 2: /* ARP reply */ + Log2((" + ARP-RPL: %RTnaipv4 is-at %RTmac\n", + *(uint32_t*)(pHdr+14), pHdr+8)); + break; + default: + Log2((" + ARP: unknown op %d\n", RT_N2H_U16(*(uint16_t*)(pHdr+6)))); + break; + } + break; + /* There is no default case as uProto is initialized with 0xFF */ + } + while (uProto != 0xFF) + { + switch (uProto) + { + case 0: /* IPv6 Hop-by-Hop option*/ + case 60: /* IPv6 Destination option*/ + case 43: /* IPv6 Routing option */ + case 44: /* IPv6 Fragment option */ + Log2((" + IPv6 option (%d): \n", uProto)); + uProto = pHdr[0]; + pHdr += pHdr[1] * 8 + 8; /* Skip to the next extension/protocol */ + break; + case 51: /* IPv6 IPsec AH */ + Log2((" + IPv6 IPsec AH: \n")); + uProto = pHdr[0]; + pHdr += (pHdr[1] + 2) * 4; /* Skip to the next extension/protocol */ + break; + case 50: /* IPv6 IPsec ESP */ + /* Cannot decode IPsec, fall through */ + Log2((" + IPv6 IPsec ESP: \n")); + uProto = 0xFF; + break; + case 59: /* No Next Header */ + Log2((" + IPv6 No Next Header\n")); + uProto = 0xFF; + break; + case 58: /* IPv6-ICMP */ + switch (pHdr[0]) + { + case 1: Log2((" + IPv6-ICMP: destination unreachable, code %d\n", pHdr[1])); break; + case 128: Log2((" + IPv6-ICMP: echo request\n")); break; + case 129: Log2((" + IPv6-ICMP: echo reply\n")); break; + default: Log2((" + IPv6-ICMP: unknown type %d, code %d\n", pHdr[0], pHdr[1])); break; + } + uProto = 0xFF; + break; + case 1: /* ICMP */ + switch (pHdr[0]) + { + case 0: Log2((" + ICMP: echo reply\n")); break; + case 8: Log2((" + ICMP: echo request\n")); break; + case 3: Log2((" + ICMP: destination unreachable, code %d\n", pHdr[1])); break; + default: Log2((" + ICMP: unknown type %d, code %d\n", pHdr[0], pHdr[1])); break; + } + uProto = 0xFF; + break; + case 6: /* TCP */ + Log2((" + TCP: src=%d dst=%d seq=%x ack=%x\n", + RT_N2H_U16(*(uint16_t*)(pHdr)), RT_N2H_U16(*(uint16_t*)(pHdr+2)), + RT_N2H_U32(*(uint32_t*)(pHdr+4)), RT_N2H_U32(*(uint32_t*)(pHdr+8)))); + uProto = 0xFF; + break; + case 17: /* UDP */ + Log2((" + UDP: src=%d dst=%d\n", + RT_N2H_U16(*(uint16_t*)(pHdr)), RT_N2H_U16(*(uint16_t*)(pHdr+2)))); + uProto = 0xFF; + break; + default: + Log2((" + Unknown: proto=0x%x\n", uProto)); + uProto = 0xFF; + break; + } + } + Log3(("%.*Rhxd\n", cb, pcPacket)); +#else + RT_NOREF4(pcszInstance, pcszText, pcPacket, cb); +#endif +} + +#endif /* !VBOX_INCLUDED_VBoxPktDmp_h */ -- cgit v1.2.3