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nmap/nbase/nbase_ipv6.h
dmiller f999182d0f Bump date and reapply header templates
2024-02-28 18:46:45 +00:00

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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) 1996-2024 Nmap Software LLC ("The Nmap
* Project"). Nmap is also a registered trademark of the Nmap Project.
*
* This program is distributed under the terms of the Nmap Public Source
* License (NPSL). The exact license text applying to a particular Nmap
* release or source code control revision is contained in the LICENSE
* file distributed with that version of Nmap or source code control
* revision. More Nmap copyright/legal information is available from
* https://nmap.org/book/man-legal.html, and further information on the
* NPSL license itself can be found at https://nmap.org/npsl/ . This
* header summarizes some key points from the Nmap license, but is no
* substitute for the actual license text.
*
* Nmap is generally free for end users to download and use themselves,
* including commercial use. It is available from https://nmap.org.
*
* The Nmap license generally prohibits companies from using and
* redistributing Nmap in commercial products, but we sell a special Nmap
* OEM Edition with a more permissive license and special features for
* this purpose. See https://nmap.org/oem/
*
* If you have received a written Nmap license agreement or contract
* stating terms other than these (such as an Nmap OEM license), you may
* choose to use and redistribute Nmap under those terms instead.
*
* The official Nmap Windows builds include the Npcap software
* (https://npcap.com) for packet capture and transmission. It is under
* separate license terms which forbid redistribution without special
* permission. So the official Nmap Windows builds may not be redistributed
* without special permission (such as an Nmap OEM license).
*
* 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.
*
* Source code also allows you to port Nmap to new platforms, fix bugs, and
* add new features. You are highly encouraged to submit your changes as a
* Github PR or by email to the dev@nmap.org mailing list for possible
* incorporation into the main distribution. Unless you specify otherwise, it
* is understood that you are offering us very broad rights to use your
* submissions as described in the Nmap Public Source License Contributor
* Agreement. This is important because we fund the project by selling licenses
* with various terms, and also because the inability to relicense code has
* caused devastating problems for other Free Software projects (such as KDE
* and NASM).
*
* The free version of Nmap 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. Warranties,
* indemnification and commercial support are all available through the
* Npcap OEM program--see https://nmap.org/oem/
*
***************************************************************************/
/* $Id$ */
#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
struct sockaddr_storage {
u16 ss_family;
u16 __align_to_64[3];
u64 __padding[16];
};
#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 weird 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
int sockaddr_storage_inet_pton(const char * ip_str, struct sockaddr_storage * addr);
const char *sockaddr_storage_iptop(const struct sockaddr_storage * addr, char * dst);
#endif /* NBASE_IPV6_H */
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