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      1 /** @file
      2   Copyright (c) 2011, Intel Corporation. All rights reserved.<BR>
      3   This program and the accompanying materials are licensed and made available under
      4   the terms and conditions of the BSD License that accompanies this distribution.
      5   The full text of the license may be found at
      6   http://opensource.org/licenses/bsd-license.
      7 
      8   THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
      9   WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
     10 
     11  * Copyright (C) 1995, 1996, 1997, 1998, and 1999 WIDE Project.
     12  * All rights reserved.
     13  *
     14  * Redistribution and use in source and binary forms, with or without
     15  * modification, are permitted provided that the following conditions
     16  * are met:
     17  * 1. Redistributions of source code must retain the above copyright
     18  *    notice, this list of conditions and the following disclaimer.
     19  * 2. Redistributions in binary form must reproduce the above copyright
     20  *    notice, this list of conditions and the following disclaimer in the
     21  *    documentation and/or other materials provided with the distribution.
     22  * 3. Neither the name of the project nor the names of its contributors
     23  *    may be used to endorse or promote products derived from this software
     24  *    without specific prior written permission.
     25  *
     26  * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
     27  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     28  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     29  * ARE DISCLAIMED.  IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
     30  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     31  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     32  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     33  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     34  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     35  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     36  * SUCH DAMAGE.
     37 **/
     38 
     39 #ifndef HAVE_GETADDRINFO
     40 
     41 /*
     42  * Error return codes from getaddrinfo()
     43  */
     44 #ifdef EAI_ADDRFAMILY
     45 /* If this is defined, there is a conflicting implementation
     46    in the C library, which can't be used for some reason.
     47    Make sure it won't interfere with this emulation. */
     48 
     49 #undef EAI_ADDRFAMILY
     50 #undef EAI_AGAIN
     51 #undef EAI_BADFLAGS
     52 #undef EAI_FAIL
     53 #undef EAI_FAMILY
     54 #undef EAI_MEMORY
     55 #undef EAI_NODATA
     56 #undef EAI_NONAME
     57 #undef EAI_SERVICE
     58 #undef EAI_SOCKTYPE
     59 #undef EAI_SYSTEM
     60 #undef EAI_BADHINTS
     61 #undef EAI_PROTOCOL
     62 #undef EAI_MAX
     63 #undef getaddrinfo
     64 #define getaddrinfo fake_getaddrinfo
     65 #endif /* EAI_ADDRFAMILY */
     66 
     67 #define EAI_ADDRFAMILY   1      /* address family for hostname not supported */
     68 #define EAI_AGAIN        2      /* temporary failure in name resolution */
     69 #define EAI_BADFLAGS     3      /* invalid value for ai_flags */
     70 #define EAI_FAIL         4      /* non-recoverable failure in name resolution */
     71 #define EAI_FAMILY       5      /* ai_family not supported */
     72 #define EAI_MEMORY       6      /* memory allocation failure */
     73 #define EAI_NODATA       7      /* no address associated with hostname */
     74 #define EAI_NONAME       8      /* hostname nor servname provided, or not known */
     75 #define EAI_SERVICE      9      /* servname not supported for ai_socktype */
     76 #define EAI_SOCKTYPE    10      /* ai_socktype not supported */
     77 #define EAI_SYSTEM      11      /* system error returned in errno */
     78 #define EAI_BADHINTS    12
     79 #define EAI_PROTOCOL    13
     80 #define EAI_MAX         14
     81 
     82 /*
     83  * Flag values for getaddrinfo()
     84  */
     85 #ifdef AI_PASSIVE
     86 #undef AI_PASSIVE
     87 #undef AI_CANONNAME
     88 #undef AI_NUMERICHOST
     89 #undef AI_MASK
     90 #undef AI_ALL
     91 #undef AI_V4MAPPED_CFG
     92 #undef AI_ADDRCONFIG
     93 #undef AI_V4MAPPED
     94 #undef AI_DEFAULT
     95 #endif /* AI_PASSIVE */
     96 
     97 #define AI_PASSIVE      0x00000001 /* get address to use bind() */
     98 #define AI_CANONNAME    0x00000002 /* fill ai_canonname */
     99 #define AI_NUMERICHOST  0x00000004 /* prevent name resolution */
    100 /* valid flags for addrinfo */
    101 #define AI_MASK         (AI_PASSIVE | AI_CANONNAME | AI_NUMERICHOST)
    102 
    103 #define AI_ALL          0x00000100 /* IPv6 and IPv4-mapped (with AI_V4MAPPED) */
    104 #define AI_V4MAPPED_CFG 0x00000200 /* accept IPv4-mapped if kernel supports */
    105 #define AI_ADDRCONFIG   0x00000400 /* only if any address is assigned */
    106 #define AI_V4MAPPED     0x00000800 /* accept IPv4-mapped IPv6 address */
    107 /* special recommended flags for getipnodebyname */
    108 #define AI_DEFAULT      (AI_V4MAPPED_CFG | AI_ADDRCONFIG)
    109 
    110 #endif /* !HAVE_GETADDRINFO */
    111 
    112 #ifndef HAVE_GETNAMEINFO
    113 
    114 /*
    115  * Constants for getnameinfo()
    116  */
    117 #ifndef NI_MAXHOST
    118 #define NI_MAXHOST      1025
    119 #define NI_MAXSERV      32
    120 #endif /* !NI_MAXHOST */
    121 
    122 /*
    123  * Flag values for getnameinfo()
    124  */
    125 #ifndef NI_NOFQDN
    126 #define NI_NOFQDN       0x00000001
    127 #define NI_NUMERICHOST  0x00000002
    128 #define NI_NAMEREQD     0x00000004
    129 #define NI_NUMERICSERV  0x00000008
    130 #define NI_DGRAM        0x00000010
    131 #endif /* !NI_NOFQDN */
    132 
    133 #endif /* !HAVE_GETNAMEINFO */
    134 
    135 #ifndef _SYS_SOCKET_H_
    136   #ifndef HAVE_ADDRINFO
    137     struct addrinfo {
    138         int         ai_flags;       /* AI_PASSIVE, AI_CANONNAME */
    139         int         ai_family;      /* PF_xxx */
    140         int         ai_socktype;    /* SOCK_xxx */
    141         int         ai_protocol;    /* 0 or IPPROTO_xxx for IPv4 and IPv6 */
    142         size_t      ai_addrlen;     /* length of ai_addr */
    143         char        *ai_canonname;  /* canonical name for hostname */
    144         struct sockaddr *ai_addr;           /* binary address */
    145         struct addrinfo *ai_next;           /* next structure in linked list */
    146     };
    147   #endif /* !HAVE_ADDRINFO */
    148 
    149   #ifndef HAVE_SOCKADDR_STORAGE
    150     /*
    151      * RFC 2553: protocol-independent placeholder for socket addresses
    152      */
    153     #define _SS_MAXSIZE     128
    154     #ifdef HAVE_LONG_LONG
    155       #define _SS_ALIGNSIZE   (sizeof(PY_LONG_LONG))
    156     #else
    157       #define _SS_ALIGNSIZE   (sizeof(double))
    158     #endif /* HAVE_LONG_LONG */
    159     #define _SS_PAD1SIZE    (_SS_ALIGNSIZE - sizeof(u_char) * 2)
    160     #define _SS_PAD2SIZE    (_SS_MAXSIZE - sizeof(u_char) * 2 - \
    161                     _SS_PAD1SIZE - _SS_ALIGNSIZE)
    162 
    163     struct sockaddr_storage {
    164     #ifdef HAVE_SOCKADDR_SA_LEN
    165         unsigned char ss_len;               /* address length */
    166         unsigned char ss_family;            /* address family */
    167     #else
    168         unsigned short ss_family;           /* address family */
    169     #endif /* HAVE_SOCKADDR_SA_LEN */
    170         char        __ss_pad1[_SS_PAD1SIZE];
    171     #ifdef HAVE_LONG_LONG
    172         PY_LONG_LONG __ss_align;            /* force desired structure storage alignment */
    173     #else
    174         double __ss_align;          /* force desired structure storage alignment */
    175     #endif /* HAVE_LONG_LONG */
    176         char        __ss_pad2[_SS_PAD2SIZE];
    177     };
    178   #endif  /* !HAVE_SOCKADDR_STORAGE */
    179 #endif  /* _SYS_SOCKET_H_ */
    180 
    181 #ifdef __cplusplus
    182 extern "C" {
    183 #endif
    184 extern void freehostent Py_PROTO((struct hostent *));
    185 #ifdef __cplusplus
    186 }
    187 #endif
    188