| 1 | /*
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| 2 | * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
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| 3 | * All rights reserved.
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| 4 | *
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| 5 | * Redistribution and use in source and binary forms, with or without
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| 6 | * modification, are permitted provided that the following conditions
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| 7 | * are met:
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| 8 | * 1. Redistributions of source code must retain the above copyright
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| 9 | * notice, this list of conditions and the following disclaimer.
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| 10 | * 2. Redistributions in binary form must reproduce the above copyright
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| 11 | * notice, this list of conditions and the following disclaimer in the
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| 12 | * documentation and/or other materials provided with the distribution.
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| 13 | * 3. Neither the name of the project nor the names of its contributors
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| 14 | * may be used to endorse or promote products derived from this software
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| 15 | * without specific prior written permission.
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| 16 | *
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| 17 | * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
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| 18 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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| 19 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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| 20 | * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
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| 21 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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| 22 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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| 23 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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| 24 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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| 25 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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| 26 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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| 27 | * SUCH DAMAGE.
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| 28 | */
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| 29 |
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| 30 | /*
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| 31 | * Issues to be discussed:
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| 32 | * - Thread safe-ness must be checked
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| 33 | * - Return values. There seems to be no standard for return value (RFC2133)
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| 34 | * but INRIA implementation returns EAI_xxx defined for getaddrinfo().
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| 35 | */
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| 36 |
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| 37 | #if 0
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| 38 | #include <sys/types.h>
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| 39 | #include <sys/socket.h>
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| 40 | #include <netinet/in.h>
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| 41 | #include <arpa/inet.h>
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| 42 | #include <arpa/nameser.h>
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| 43 | #include <netdb.h>
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| 44 | #include <resolv.h>
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| 45 | #include <string.h>
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| 46 | #include <stddef.h>
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| 47 |
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| 48 | #include "addrinfo.h"
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| 49 | #endif
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| 50 |
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| 51 | #define SUCCESS 0
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| 52 | #define YES 1
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| 53 | #define NO 0
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| 54 |
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| 55 | static struct gni_afd {
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| 56 | int a_af;
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| 57 | int a_addrlen;
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| 58 | int a_socklen;
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| 59 | int a_off;
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| 60 | } gni_afdl [] = {
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| 61 | #ifdef ENABLE_IPV6
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| 62 | {PF_INET6, sizeof(struct in6_addr), sizeof(struct sockaddr_in6),
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| 63 | offsetof(struct sockaddr_in6, sin6_addr)},
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| 64 | #endif
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| 65 | {PF_INET, sizeof(struct in_addr), sizeof(struct sockaddr_in),
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| 66 | offsetof(struct sockaddr_in, sin_addr)},
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| 67 | {0, 0, 0},
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| 68 | };
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| 69 |
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| 70 | struct gni_sockinet {
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| 71 | u_char si_len;
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| 72 | u_char si_family;
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| 73 | u_short si_port;
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| 74 | };
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| 75 |
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| 76 | #define ENI_NOSOCKET 0
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| 77 | #define ENI_NOSERVNAME 1
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| 78 | #define ENI_NOHOSTNAME 2
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| 79 | #define ENI_MEMORY 3
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| 80 | #define ENI_SYSTEM 4
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| 81 | #define ENI_FAMILY 5
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| 82 | #define ENI_SALEN 6
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| 83 |
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| 84 | /* forward declaration to make gcc happy */
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| 85 | int getnameinfo Py_PROTO((const struct sockaddr *, size_t, char *, size_t,
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| 86 | char *, size_t, int));
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| 87 |
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| 88 | int
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| 89 | getnameinfo(sa, salen, host, hostlen, serv, servlen, flags)
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| 90 | const struct sockaddr *sa;
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| 91 | size_t salen;
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| 92 | char *host;
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| 93 | size_t hostlen;
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| 94 | char *serv;
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