workbench/network/stacks/AROSTCP/netinclude/netdb.h

   1 /*
   2  * Copyright (C) 1993 AmiTCP/IP Group, <amitcp-group@hut.fi>
   3  *                    Helsinki University of Technology, Finland.
   4  *                    All rights reserved.
   5  * Copyright (C) 2005 Neil Cafferkey
   6  * Copyright (C) 2005 Pavel Fedin
   7  *
   8  * This program is free software; you can redistribute it and/or modify
   9  * it under the terms of the GNU Library General Public License
  10  * version 2 as published by the Free Software Foundation.
  11  *
  12  * This program is distributed in the hope that it will be useful, but
  13  * WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  15  * Library General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Library General Public
  18  * License along with this file; if not, write to the Free Software
  19  * Foundation, Inc., 59 Temple Place - Suite 330, Boston,
  20  * MA 02111-1307, USA.
  21  *
  22  */
  23
  24 /*-
  25  * Copyright (c) 1980, 1983, 1988 Regents of the University of California.
  26  * All rights reserved.
  27  *
  28  * Redistribution and use in source and binary forms are permitted
  29  * provided that: (1) source distributions retain this entire copyright
  30  * notice and comment, and (2) distributions including binaries display
  31  * the following acknowledgement:  ``This product includes software
  32  * developed by the University of California, Berkeley and its contributors''
  33  * in the documentation or other materials provided with the distribution
  34  * and in all advertising materials mentioning features or use of this
  35  * software. Neither the name of the University nor the names of its
  36  * contributors may be used to endorse or promote products derived
  37  * from this software without specific prior written permission.
  38  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
  39  * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
  40  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
  41  */
  42
  43 #ifndef NETDB_H
  44 #define NETDB_H
  45
  46 #include <sys/types.h>
  47
  48 #include <sys/socket.h>     /* for socklen_t */
  49
  50 /*
  51  * Structures returned by network data base library.  All addresses are
  52  * supplied in host order, and returned in network order (suitable for
  53  * use in system calls).
  54  */
  55 struct  hostent {
  56         char    *h_name;        /* official name of host */
  57         char    **h_aliases;    /* alias list */
  58         int     h_addrtype;     /* host address type */
  59         int     h_length;       /* length of address */
  60         char    **h_addr_list;  /* list of addresses from name server */
  61 #define h_addr  h_addr_list[0]  /* address, for backward compatiblity */
  62 };
  63
  64 /*
  65  * Assumption here is that a network number
  66  * fits in 32 bits -- probably a poor one.
  67  */
  68 struct  netent {
  69         char            *n_name;        /* official name of net */
  70         char            **n_aliases;    /* alias list */
  71         int             n_addrtype;     /* net address type */
  72         unsigned long   n_net;          /* network # */
  73 };
  74
  75 struct  servent {
  76         char    *s_name;        /* official service name */
  77         char    **s_aliases;    /* alias list */
  78         int     s_port;         /* port # */
  79         char    *s_proto;       /* protocol to use */
  80 };
  81
  82 struct  protoent {
  83         char    *p_name;        /* official protocol name */
  84         char    **p_aliases;    /* alias list */
  85         int     p_proto;        /* protocol # */
  86 };
  87
  88 #ifndef KERNEL
  89
  90 #if 0 /* NC */
  91 #ifndef BSDSOCKET_H
  92 #include <bsdsocket.h>
  93 #endif
  94 #endif
  95
  96 #endif /* !KERNEL */
  97
  98 /*
  99  * Error return codes from gethostbyname() and gethostbyaddr()
 100  * (left in extern int h_errno).
 101  */
 102 #ifndef KERNEL
 103 extern  int h_errno;
 104 #endif
 105
 106 #define HOST_NOT_FOUND  1 /* Authoritative Answer Host not found */
 107 #define TRY_AGAIN       2 /* Non-Authoritive Host not found, or SERVERFAIL */
 108 #define NO_RECOVERY     3 /* Non recoverable errors, FORMERR, REFUSED, NOTIMP */
 109 #define NO_DATA         4 /* Valid name, no data record of requested type */
 110 #define NO_ADDRESS      NO_DATA         /* no address, look for MX record */
 111
 112 struct addrinfo {
 113   long          ai_flags;               /* AI_PASSIVE, AI_CANONNAME */
 114   long          ai_family;              /* PF_xxx */
 115   long          ai_socktype;            /* SOCK_xxx */
 116   long          ai_protocol;            /* IPPROTO_xxx for IPv4 and IPv6 */
 117   size_t           ai_addrlen;          /* length of ai_addr */
 118   char          *ai_canonname;          /* canonical name for host */
 119   struct sockaddr       *ai_addr;       /* binary address */
 120   struct addrinfo       *ai_next;       /* next structure in linked list */
 121 };
 122
 123                         /* following for getaddrinfo() */
 124 #define AI_PASSIVE      1      /* socket is intended for bind() + listen() */
 125 #define AI_CANONNAME    2      /* return canonical name */
 126
 127                         /* following for getnameinfo() */
 128 #define NI_MAXHOST        1025  /* max hostname returned */
 129 #define NI_MAXSERV          32  /* max service name returned */
 130
 131 #define NI_NOFQDN            1  /* do not return FQDN */
 132 #define NI_NUMERICHOST   2      /* return numeric form of hostname */
 133 #define NI_NAMEREQD          4  /* return error if hostname not found */
 134 #define NI_NUMERICSERV   8      /* return numeric form of service name */
 135 #define NI_DGRAM            16  /* datagram service for getservbyname() */
 136
 137                         /* error returns */
 138 #define EAI_ADDRFAMILY   1      /* address family for host not supported */
 139 #define EAI_AGAIN        2      /* temporary failure in name resolution */
 140 #define EAI_BADFLAGS     3      /* invalid value for ai_flags */
 141 #define EAI_FAIL         4      /* non-recoverable failure in name resolution */
 142 #define EAI_FAMILY       5      /* ai_family not supported */
 143 #define EAI_MEMORY       6      /* memory allocation failure */
 144 #define EAI_NODATA       7      /* no address associated with host */
 145 #define EAI_NONAME       8      /* host nor service provided, or not known */
 146 #define EAI_SERVICE      9      /* service not supported for ai_socktype */
 147 #define EAI_SOCKTYPE    10      /* ai_socktype not supported */
 148 #define EAI_SYSTEM      11      /* system error returned in errno */
 149
 150
 151 /* Flags for ResetNetDB() */
 152 #define NETDB_IFF_CLEANOLD   1
 153 #define NETDB_IFF_MODIFYOLD  2
 154 #define NETDB_IFF_ADDNEW     4
 155
 156 #endif /* !NETDB_H */
 157