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9bf2ec3884
svn merge --ignore-ancestry svn://svn.insecure.org/nmap@26621 svn://svn.insecure.org/nmap-exp/luis/nmap-os6 This is the IPv6 OS detection branch. "nmap -6 -O" works now, though at this point it only prints fingerprints and not OS guesses, because we need to collect more submissions.
204 lines
11 KiB
C++
204 lines
11 KiB
C++
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/***************************************************************************
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* IPv6Header.h -- The IPv6Header Class represents an IPv6 datagram. It *
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* contains methods to set any header field. In general, these methods do *
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* error checkings and byte order conversion. *
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* *
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***********************IMPORTANT NMAP LICENSE TERMS************************
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* *
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* The Nmap Security Scanner is (C) 1996-2011 Insecure.Com LLC. Nmap is *
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* also a registered trademark of Insecure.Com LLC. This program is free *
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* software; you may redistribute and/or modify it under the terms of the *
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* GNU General Public License as published by the Free Software *
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* Foundation; Version 2 with the clarifications and exceptions described *
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* below. This guarantees your right to use, modify, and redistribute *
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* this software under certain conditions. If you wish to embed Nmap *
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* technology into proprietary software, we sell alternative licenses *
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* (contact sales@insecure.com). Dozens of software vendors already *
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* license Nmap technology such as host discovery, port scanning, OS *
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* detection, and version detection. *
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* *
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* Note that the GPL places important restrictions on "derived works", yet *
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* it does not provide a detailed definition of that term. To avoid *
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* misunderstandings, we consider an application to constitute a *
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* "derivative work" for the purpose of this license if it does any of the *
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* following: *
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* o Integrates source code from Nmap *
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* o Reads or includes Nmap copyrighted data files, such as *
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* nmap-os-db or nmap-service-probes. *
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* o Executes Nmap and parses the results (as opposed to typical shell or *
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* execution-menu apps, which simply display raw Nmap output and so are *
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* not derivative works.) *
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* o Integrates/includes/aggregates Nmap into a proprietary executable *
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* installer, such as those produced by InstallShield. *
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* o Links to a library or executes a program that does any of the above *
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* *
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* The term "Nmap" should be taken to also include any portions or derived *
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* works of Nmap. This list is not exclusive, but is meant to clarify our *
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* interpretation of derived works with some common examples. Our *
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* interpretation applies only to Nmap--we don't speak for other people's *
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* GPL works. *
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* *
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* If you have any questions about the GPL licensing restrictions on using *
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* Nmap in non-GPL works, we would be happy to help. As mentioned above, *
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* we also offer alternative license to integrate Nmap into proprietary *
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* applications and appliances. These contracts have been sold to dozens *
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* of software vendors, and generally include a perpetual license as well *
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* as providing for priority support and updates as well as helping to *
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* fund the continued development of Nmap technology. Please email *
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* sales@insecure.com for further information. *
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* *
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* As a special exception to the GPL terms, Insecure.Com LLC grants *
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* permission to link the code of this program with any version of the *
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* OpenSSL library which is distributed under a license identical to that *
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* listed in the included docs/licenses/OpenSSL.txt file, and distribute *
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* linked combinations including the two. You must obey the GNU GPL in all *
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* respects for all of the code used other than OpenSSL. If you modify *
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* this file, you may extend this exception to your version of the file, *
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* but you are not obligated to do so. *
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* *
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* If you received these files with a written license agreement or *
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* contract stating terms other than the terms above, then that *
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* alternative license agreement takes precedence over these comments. *
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* *
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* Source is provided to this software because we believe users have a *
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* right to know exactly what a program is going to do before they run it. *
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* This also allows you to audit the software for security holes (none *
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* have been found so far). *
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* *
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* Source code also allows you to port Nmap to new platforms, fix bugs, *
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* and add new features. You are highly encouraged to send your changes *
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* to nmap-dev@insecure.org for possible incorporation into the main *
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* distribution. By sending these changes to Fyodor or one of the *
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* Insecure.Org development mailing lists, it is assumed that you are *
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* offering the Nmap Project (Insecure.Com LLC) the unlimited, *
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* non-exclusive right to reuse, modify, and relicense the code. Nmap *
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* will always be available Open Source, but this is important because the *
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* inability to relicense code has caused devastating problems for other *
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* Free Software projects (such as KDE and NASM). We also occasionally *
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* relicense the code to third parties as discussed above. If you wish to *
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* specify special license conditions of your contributions, just say so *
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* when you send them. *
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* *
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* This program is distributed in the hope that it will be useful, but *
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* WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
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* General Public License v2.0 for more details at *
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* http://www.gnu.org/licenses/gpl-2.0.html , or in the COPYING file *
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* included with Nmap. *
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* *
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***************************************************************************/
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/* This code was originally part of the Nping tool. */
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#ifndef IPV6HEADER_H
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#define IPV6HEADER_H 1
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#include "NetworkLayerElement.h"
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#define IPv6_HEADER_LEN 40
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/* Default header values */
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#define IPv6_DEFAULT_TCLASS 0
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#define IPv6_DEFAULT_FLABEL 0
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#define IPv6_DEFAULT_HOPLIM 64
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#define IPv6_DEFAULT_NXTHDR 6 /* TCP */
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class IPv6Header : public NetworkLayerElement {
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private:
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/* IPv6 Header Format:
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0 1 2 3
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0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2
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+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
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|Version| Traffic Class | Flow Label |
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+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
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| Payload Length | Next Header | Hop Limit |
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+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
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+-- --+
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+-- Source Address --+
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+-- --+
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+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
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+-- --+
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+-- Destination Address --+
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+-- --+
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+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
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*/
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struct nping_ipv6_hdr {
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u8 ip6_start[4]; /* Version, Traffic and Flow */
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u16 ip6_len; /* Payload length */
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u8 ip6_nh; /* Next Header */
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u8 ip6_hopl; /* Hop Limit */
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u8 ip6_src[16]; /* Source IP Address */
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u8 ip6_dst[16]; /* Destination IP Address */
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}__attribute__((__packed__));
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typedef struct nping_ipv6_hdr nping_ipv6_hdr_t;
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nping_ipv6_hdr_t h;
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public:
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/* Misc */
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IPv6Header();
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~IPv6Header();
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void reset();
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u8 *getBufferPointer();
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int storeRecvData(const u8 *buf, size_t len);
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int protocol_id() const;
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int validate();
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int print(FILE *output, int detail) const;
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/* IP version */
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int setVersion();
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int setVersion(u8 val);
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u8 getVersion() const;
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/* Traffic class */
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int setTrafficClass(u8 val);
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u8 getTrafficClass() const;
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/* Flow Label */
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int setFlowLabel(u32 val);
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u32 getFlowLabel() const;
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/* Payload Length */
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int setPayloadLength(u16 val);
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int setPayloadLength();
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u16 getPayloadLength() const;
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/* Next Header */
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int setNextHeader(u8 val);
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int setNextHeader(const char *p);
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u8 getNextHeader() const;
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/* Hop Limit */
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int setHopLimit(u8 val);
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u8 getHopLimit() const;
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/* Source Address */
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int setSourceAddress(u8 *val);
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int setSourceAddress(struct in6_addr val);
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const u8 *getSourceAddress() const;
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struct in6_addr getSourceAddress(struct in6_addr *result) const;
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/* Destination Address*/
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int setDestinationAddress(u8 *val);
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int setDestinationAddress(struct in6_addr val);
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const u8 *getDestinationAddress() const;
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struct in6_addr getDestinationAddress(struct in6_addr *result) const;
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u16 getAddressLength() const;
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};
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#endif
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