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nmap/nbase/nbase_ipv6.h

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/***************************************************************************
* nbase_ipv6.h -- IPv6 portability classes and structures These were *
* written by fyodor@nmap.org . *
* *
***********************IMPORTANT NMAP LICENSE TERMS************************
* *
* The Nmap Security Scanner is (C) 1996-2012 Insecure.Com LLC. Nmap is *
* also a registered trademark of Insecure.Com LLC. This program is free *
* software; you may redistribute and/or modify it under the terms of the *
* GNU General Public License as published by the Free Software *
* Foundation; Version 2 with the clarifications and exceptions described *
* below. This guarantees your right to use, modify, and redistribute *
* this software under certain conditions. If you wish to embed Nmap *
* technology into proprietary software, we sell alternative licenses *
* (contact sales@insecure.com). Dozens of software vendors already *
* license Nmap technology such as host discovery, port scanning, OS *
* detection, version detection, and the Nmap Scripting Engine. *
* *
* Note that the GPL places important restrictions on "derived works", yet *
* it does not provide a detailed definition of that term. To avoid *
* misunderstandings, we interpret that term as broadly as copyright law *
* allows. For example, we consider an application to constitute a *
* "derivative work" for the purpose of this license if it does any of the *
* following: *
* o Integrates source code from Nmap *
* o Reads or includes Nmap copyrighted data files, such as *
* nmap-os-db or nmap-service-probes. *
* o Executes Nmap and parses the results (as opposed to typical shell or *
* execution-menu apps, which simply display raw Nmap output and so are *
* not derivative works.) *
* o Integrates/includes/aggregates Nmap into a proprietary executable *
* installer, such as those produced by InstallShield. *
* o Links to a library or executes a program that does any of the above *
* *
* The term "Nmap" should be taken to also include any portions or derived *
* works of Nmap, as well as other software we distribute under this *
* license such as Zenmap, Ncat, and Nping. This list is not exclusive, *
* but is meant to clarify our interpretation of derived works with some *
* common examples. Our interpretation applies only to Nmap--we don't *
* speak for other people's GPL works. *
* *
* If you have any questions about the GPL licensing restrictions on using *
* Nmap in non-GPL works, we would be happy to help. As mentioned above, *
* we also offer alternative license to integrate Nmap into proprietary *
* applications and appliances. These contracts have been sold to dozens *
* of software vendors, and generally include a perpetual license as well *
* as providing for priority support and updates. They also fund the *
* continued development of Nmap. Please email sales@insecure.com for *
* further information. *
* *
* As a special exception to the GPL terms, Insecure.Com LLC grants *
* permission to link the code of this program with any version of the *
* OpenSSL library which is distributed under a license identical to that *
* listed in the included docs/licenses/OpenSSL.txt file, and distribute *
* linked combinations including the two. You must obey the GNU GPL in all *
* respects for all of the code used other than OpenSSL. If you modify *
* this file, you may extend this exception to your version of the file, *
* but you are not obligated to do so. *
* *
* If you received these files with a written license agreement or *
* contract stating terms other than the terms above, then that *
* alternative license agreement takes precedence over these comments. *
* *
* Source is provided to this software because we believe users have a *
* right to know exactly what a program is going to do before they run it. *
* This also allows you to audit the software for security holes (none *
* have been found so far). *
* *
* Source code also allows you to port Nmap to new platforms, fix bugs, *
* and add new features. You are highly encouraged to send your changes *
* to the dev@nmap.org mailing list for possible incorporation into the *
* main distribution. By sending these changes to Fyodor or one of the *
* Insecure.Org development mailing lists, or checking them into the Nmap *
* source code repository, it is understood (unless you specify otherwise) *
* that you are offering the Nmap Project (Insecure.Com LLC) the *
* unlimited, non-exclusive right to reuse, modify, and relicense the *
* code. Nmap will always be available Open Source, but this is important *
* because the inability to relicense code has caused devastating problems *
* for other Free Software projects (such as KDE and NASM). We also *
* occasionally relicense the code to third parties as discussed above. *
* If you wish to specify special license conditions of your *
* contributions, just say so when you send them. *
* *
* 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 Nmap *
* license file for more details (it's in a COPYING file included with *
* Nmap, and also available from https://svn.nmap.org/nmap/COPYING *
* *
***************************************************************************/
/* $Id$ */
#ifndef NBASE_IPV6_H
#define NBASE_IPV6_H
#ifdef __amigaos__
#ifndef _NMAP_AMIGAOS_H_
#include "../nmap_amigaos.h"
#endif
#endif
#if HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#if HAVE_SYS_SOCKET_H
#include <sys/socket.h>
#endif
#if HAVE_NETINET_IN_H
#include <netinet/in.h>
#endif
#if HAVE_ARPA_INET_H
#include <arpa/inet.h>
#endif
#ifndef HAVE_AF_INET6
#define AF_INET6 10
#define PF_INET6 10
#endif /* HAVE_AF_INET6 */
#ifndef HAVE_INET_PTON
/* int
* inet_pton(af, src, dst)
* convert from presentation format (which usually means ASCII printable)
* to network format (which is usually some kind of binary format).
* return:
* 1 if the address was valid for the specified address family
* 0 if the address wasn't valid (`dst' is untouched in this case)
* -1 if some other error occurred (`dst' is untouched in this case, too)
* author:
* Paul Vixie, 1996.
*/
int inet_pton(int af, const char *src, void *dst);
#endif /* HAVE_INET_PTON */
#ifndef HAVE_INET_NTOP
/* char *
* inet_ntop(af, src, dst, size)
* convert a network format address to presentation format.
* return:
* pointer to presentation format address (`dst'), or NULL (see errno).
* author:
* Paul Vixie, 1996.
*/
const char *inet_ntop(int af, const void *src, char *dst, size_t size);
#endif /* HAVE_INET_NTOP */
#ifndef HAVE_SOCKADDR_STORAGE
/* Just needs to be big enough to hold sockaddr_in or
sockaddr_in6. I should really align it at 64 bits, but 32 is
probably fine as hosts that actually want to store a
sockaddr_in6 in here should already have this defined (see
RFC2355). */
struct sockaddr_storage {
u32 padding[32];
};
#endif /* SOCKADDR_STORAGE */
/* Compares two sockaddr_storage structures with a return value like strcmp.
First the address families are compared, then the addresses if the families
are equal. The structures must be real full-length sockaddr_storage
structures, not something shorter like sockaddr_in. */
int sockaddr_storage_cmp(const struct sockaddr_storage *a,
const struct sockaddr_storage *b);
/* Does sockaddr_storage_cmp(a, b) == 0 for you. */
int sockaddr_storage_equal(const struct sockaddr_storage *a,
const struct sockaddr_storage *b);
/* This function is an easier version of inet_ntop because you don't
need to pass a dest buffer. Instead, it returns a static buffer that
you can use until the function is called again (by the same or another
thread in the process). If there is a wierd error (like sslen being
too short) then NULL will be returned. */
const char *inet_ntop_ez(const struct sockaddr_storage *ss, size_t sslen);
#if !HAVE_GETNAMEINFO || !HAVE_GETADDRINFO
#if !defined(EAI_MEMORY)
#define EAI_ADDRFAMILY 1 /* address family for hostname not supported */
#define EAI_AGAIN 2 /* temporary failure in name resolution */
#define EAI_BADFLAGS 3 /* invalid value for ai_flags */
#define EAI_FAIL 4 /* non-recoverable failure in name resolution */
#define EAI_FAMILY 5 /* ai_family not supported */
#define EAI_MEMORY 6 /* memory allocation failure */
#define EAI_NODATA 7 /* no address associated with hostname */
#define EAI_NONAME 8 /* hostname nor servname provided, or not known */
#define EAI_SERVICE 9 /* servname not supported for ai_socktype */
#define EAI_SOCKTYPE 10 /* ai_socktype not supported */
#define EAI_SYSTEM 11 /* system error returned in errno */
#define EAI_BADHINTS 12
#define EAI_PROTOCOL 13
#define EAI_MAX 14
#endif /* EAI_MEMORY */
#endif /* !HAVE_GETNAMEINFO || !HAVE_GETADDRINFO */
#if !HAVE_GETNAMEINFO
/* This replacement version is *NOT* a full implementation by any
stretch of the imagination */
/* getnameinfo flags */
#if !defined(NI_NAMEREQD)
#define NI_NOFQDN 8
#define NI_NUMERICHOST 16
#define NI_NAMEREQD 32
#define NI_NUMERICSERV 64
#define NI_DGRAM 128
#endif
struct sockaddr;
int getnameinfo(const struct sockaddr *sa, size_t salen,
char *host, size_t hostlen,
char *serv, size_t servlen, int flags);
#endif /* !HAVE_GETNAMEINFO */
#if !HAVE_GETADDRINFO
/* This replacement version is *NOT* a full implementation by any
stretch of the imagination */
struct addrinfo {
int ai_flags; /* AI_PASSIVE, AI_CANONNAME, AI_NUMERICHOST */
int ai_family; /* PF_xxx */
int ai_socktype; /* SOCK_xxx */
int ai_protocol; /* 0 or IPPROTO_xxx for IPv4 and IPv6 */
size_t ai_addrlen; /* length of ai_addr */
char *ai_canonname; /* canonical name for nodename */
struct sockaddr *ai_addr; /* binary address */
struct addrinfo *ai_next; /* next structure in linked list */
};
/* getaddrinfo Flags */
#if !defined(AI_PASSIVE) || !defined(AI_CANONNAME) || !defined(AI_NUMERICHOST)
#define AI_PASSIVE 1
#define AI_CANONNAME 2
#define AI_NUMERICHOST 4
#endif
void freeaddrinfo(struct addrinfo *res);
int getaddrinfo(const char *node, const char *service,
const struct addrinfo *hints, struct addrinfo **res);
#endif /* !HAVE_GETADDRINFO */
#ifndef HAVE_GAI_STRERROR
const char *gai_strerror(int errcode);
#endif
#endif /* NBASE_IPV6_H */
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