175 lines
5.2 KiB
C
175 lines
5.2 KiB
C
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/* From openssh 4.3p2 filename openbsd-compat/fake-rfc2553.h */
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/*
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* Copyright (C) 2000-2003 Damien Miller. All rights reserved.
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* Copyright (C) 1999 WIDE Project. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the project nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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/*
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* Pseudo-implementation of RFC2553 name / address resolution functions
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*
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* But these functions are not implemented correctly. The minimum subset
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* is implemented for ssh use only. For example, this routine assumes
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* that ai_family is AF_INET. Don't use it for another purpose.
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*/
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#ifndef _FAKE_RFC2553_H
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#define _FAKE_RFC2553_H
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#include <config.h>
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#include <sys/types.h>
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#include <sys/socket.h>
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#include <netdb.h>
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#include <limits.h>
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/*
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* First, socket and INET6 related definitions
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*/
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#ifndef HAVE_STRUCT_SOCKADDR_STORAGE
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# define _SS_MAXSIZE 128 /* Implementation specific max size */
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# define _SS_PADSIZE (_SS_MAXSIZE - sizeof (struct sockaddr))
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struct sockaddr_storage {
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struct sockaddr ss_sa;
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char __ss_pad2[_SS_PADSIZE];
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};
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# define ss_family ss_sa.sa_family
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#endif /* !HAVE_STRUCT_SOCKADDR_STORAGE */
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#ifndef IN6_IS_ADDR_LOOPBACK
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# define IN6_IS_ADDR_LOOPBACK(a) \
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(((uint32_t *)(a))[0] == 0 && ((uint32_t *)(a))[1] == 0 && \
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((uint32_t *)(a))[2] == 0 && ((uint32_t *)(a))[3] == htonl(1))
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#endif /* !IN6_IS_ADDR_LOOPBACK */
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#ifndef HAVE_STRUCT_IN6_ADDR
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struct in6_addr {
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uint8_t s6_addr[16];
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};
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#endif /* !HAVE_STRUCT_IN6_ADDR */
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#ifndef HAVE_STRUCT_SOCKADDR_IN6
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struct sockaddr_in6 {
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unsigned short sin6_family;
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uint16_t sin6_port;
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uint32_t sin6_flowinfo;
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struct in6_addr sin6_addr;
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};
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#endif /* !HAVE_STRUCT_SOCKADDR_IN6 */
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#ifndef AF_INET6
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/* Define it to something that should never appear */
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#define AF_INET6 AF_MAX
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#endif
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/*
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* Next, RFC2553 name / address resolution API
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*/
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#ifndef NI_NUMERICHOST
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# define NI_NUMERICHOST (1)
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#endif
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#ifndef NI_NAMEREQD
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# define NI_NAMEREQD (1<<1)
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#endif
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#ifndef NI_NUMERICSERV
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# define NI_NUMERICSERV (1<<2)
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#endif
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#ifndef AI_PASSIVE
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# define AI_PASSIVE (1)
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#endif
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#ifndef AI_CANONNAME
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# define AI_CANONNAME (1<<1)
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#endif
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#ifndef AI_NUMERICHOST
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# define AI_NUMERICHOST (1<<2)
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#endif
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#ifndef NI_MAXSERV
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# define NI_MAXSERV 32
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#endif /* !NI_MAXSERV */
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#ifndef NI_MAXHOST
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# define NI_MAXHOST 1025
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#endif /* !NI_MAXHOST */
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#ifndef INT_MAX
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#define INT_MAX 0xffffffff
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#endif
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#ifndef EAI_NODATA
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# define EAI_NODATA (INT_MAX - 1)
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#endif
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#ifndef EAI_MEMORY
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# define EAI_MEMORY (INT_MAX - 2)
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#endif
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#ifndef EAI_NONAME
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# define EAI_NONAME (INT_MAX - 3)
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#endif
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#ifndef EAI_SYSTEM
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# define EAI_SYSTEM (INT_MAX - 4)
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#endif
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#ifndef HAVE_STRUCT_ADDRINFO
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struct addrinfo {
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int ai_flags; /* AI_PASSIVE, AI_CANONNAME */
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int ai_family; /* PF_xxx */
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int ai_socktype; /* SOCK_xxx */
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int ai_protocol; /* 0 or IPPROTO_xxx for IPv4 and IPv6 */
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size_t ai_addrlen; /* length of ai_addr */
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char *ai_canonname; /* canonical name for hostname */
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struct sockaddr *ai_addr; /* binary address */
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struct addrinfo *ai_next; /* next structure in linked list */
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};
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#endif /* !HAVE_STRUCT_ADDRINFO */
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#ifndef HAVE_GETADDRINFO
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#ifdef getaddrinfo
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# undef getaddrinfo
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#endif
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#define getaddrinfo(a,b,c,d) (getaddrinfo_unbound(a,b,c,d))
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int getaddrinfo(const char *, const char *,
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const struct addrinfo *, struct addrinfo **);
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#endif /* !HAVE_GETADDRINFO */
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#if !defined(HAVE_GAI_STRERROR) && !defined(HAVE_CONST_GAI_STRERROR_PROTO)
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#define gai_strerror(a) (gai_strerror_unbound(a))
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char *gai_strerror(int);
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#endif /* !HAVE_GAI_STRERROR */
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#ifndef HAVE_FREEADDRINFO
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#define freeaddrinfo(a) (freeaddrinfo_unbound(a))
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void freeaddrinfo(struct addrinfo *);
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#endif /* !HAVE_FREEADDRINFO */
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#ifndef HAVE_GETNAMEINFO
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#define getnameinfo(a,b,c,d,e,f,g) (getnameinfo_unbound(a,b,c,d,e,f,g))
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int getnameinfo(const struct sockaddr *, size_t, char *, size_t,
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char *, size_t, int);
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#endif /* !HAVE_GETNAMEINFO */
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#endif /* !_FAKE_RFC2553_H */
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