external/bsd/openldap/dist/include/ac/socket.h

   1 /* Generic socket.h */
   2 /* $OpenLDAP: pkg/ldap/include/ac/socket.h,v 1.67.2.4 2008/02/11 23:26:40 kurt Exp $ */
   3 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
   4  *
   5  * Copyright 1998-2008 The OpenLDAP Foundation.
   6  * All rights reserved.
   7  *
   8  * Redistribution and use in source and binary forms, with or without
   9  * modification, are permitted only as authorized by the OpenLDAP
  10  * Public License.
  11  *
  12  * A copy of this license is available in file LICENSE in the
  13  * top-level directory of the distribution or, alternatively, at
  14  * <http://www.OpenLDAP.org/license.html>.
  15  */
  16
  17 #ifndef _AC_SOCKET_H_
  18 #define _AC_SOCKET_H_
  19
  20 #ifdef HAVE_SYS_TYPES_H
  21 #include <sys/types.h>
  22 #endif
  23
  24 #ifdef HAVE_POLL_H
  25 #include <poll.h>
  26 #elif defined(HAVE_SYS_POLL_H)
  27 #include <sys/poll.h>
  28 #endif
  29
  30 #ifdef HAVE_SYS_SOCKET_H
  31 #include <sys/socket.h>
  32
  33 #ifdef HAVE_SYS_UN_H
  34 #include <sys/un.h>
  35 #endif
  36
  37 #ifdef HAVE_SYS_SELECT_H
  38 #include <sys/select.h>
  39 #endif
  40
  41 #include <netinet/in.h>
  42
  43 #ifdef HAVE_NETINET_TCP_H
  44 #include <netinet/tcp.h>
  45 #endif
  46
  47 #ifdef HAVE_ARPA_INET_H
  48 #include <arpa/inet.h>
  49 #endif
  50
  51 #ifdef HAVE_ARPA_NAMESER_H
  52 #include <arpa/nameser.h>
  53 #endif
  54
  55 #include <netdb.h>
  56
  57 #ifdef HAVE_RESOLV_H
  58 #include <resolv.h>
  59 #endif
  60
  61 #endif /* HAVE_SYS_SOCKET_H */
  62
  63 #ifdef HAVE_WINSOCK2
  64 #include <winsock2.h>
  65 #elif HAVE_WINSOCK
  66 #include <winsock.h>
  67 #endif
  68
  69 #ifdef HAVE_PCNFS
  70 #include <tklib.h>
  71 #endif /* HAVE_PCNFS */
  72
  73 #ifndef INADDR_LOOPBACK
  74 #define INADDR_LOOPBACK (0x7f000001UL)
  75 #endif
  76
  77 #ifndef MAXHOSTNAMELEN
  78 #define MAXHOSTNAMELEN  64
  79 #endif
  80
  81 #undef  sock_errno
  82 #undef  sock_errstr
  83 #define sock_errno()    errno
  84 #define sock_errstr(e)  STRERROR(e)
  85 #define sock_errset(e)  errno = (e)
  86
  87 #ifdef HAVE_WINSOCK
  88 #       define tcp_read( s, buf, len )  recv( s, buf, len, 0 )
  89 #       define tcp_write( s, buf, len ) send( s, buf, len, 0 )
  90 #       define ioctl( s, c, a )         ioctlsocket( (s), (c), (a) )
  91 #       define ioctl_t                          u_long
  92 #       define AC_SOCKET_INVALID        ((unsigned int) ~0)
  93
  94 #       ifdef SD_BOTH
  95 #               define tcp_close( s )   (shutdown( s, SD_BOTH ), closesocket( s ))
  96 #       else
  97 #               define tcp_close( s )           closesocket( s )
  98 #       endif
  99
 100 #define EWOULDBLOCK WSAEWOULDBLOCK
 101 #define EINPROGRESS WSAEINPROGRESS
 102 #define ETIMEDOUT       WSAETIMEDOUT
 103
 104 #undef  sock_errno
 105 #undef  sock_errstr
 106 #undef  sock_errset
 107 #define sock_errno()    WSAGetLastError()
 108 #define sock_errstr(e)  ber_pvt_wsa_err2string(e)
 109 #define sock_errset(e)  WSASetLastError(e)
 110
 111 LBER_F( char * ) ber_pvt_wsa_err2string LDAP_P((int));
 112
 113 #elif MACOS
 114 #       define tcp_close( s )           tcpclose( s )
 115 #       define tcp_read( s, buf, len )  tcpread( s, buf, len )
 116 #       define tcp_write( s, buf, len ) tcpwrite( s, buf, len )
 117
 118 #elif DOS
 119 #       ifdef PCNFS
 120 #               define tcp_close( s )   close( s )
 121 #               define tcp_read( s, buf, len )  recv( s, buf, len, 0 )
 122 #               define tcp_write( s, buf, len ) send( s, buf, len, 0 )
 123 #       endif /* PCNFS */
 124 #       ifdef NCSA
 125 #               define tcp_close( s )   do { netclose( s ); netshut() } while(0)
 126 #               define tcp_read( s, buf, len )  nread( s, buf, len )
 127 #               define tcp_write( s, buf, len ) netwrite( s, buf, len )
 128 #       endif /* NCSA */
 129
 130 #elif defined(HAVE_CLOSESOCKET)
 131 #       define tcp_close( s )           closesocket( s )
 132
 133 #       ifdef __BEOS__
 134 #               define tcp_read( s, buf, len )  recv( s, buf, len, 0 )
 135 #               define tcp_write( s, buf, len ) send( s, buf, len, 0 )
 136 #       endif
 137
 138 #else
 139 #       define tcp_read( s, buf, len)   read( s, buf, len )
 140 #       define tcp_write( s, buf, len)  write( s, buf, len )
 141
 142 #       ifdef SHUT_RDWR
 143 #               define tcp_close( s )   (shutdown( s, SHUT_RDWR ), close( s ))
 144 #       else
 145 #               define tcp_close( s )   close( s )
 146 #       endif
 147
 148 #ifdef HAVE_PIPE
 149 /*
 150  * Only use pipe() on systems where file and socket descriptors
 151  * are interchangable
 152  */
 153 #       define USE_PIPE HAVE_PIPE
 154 #endif
 155
 156 #endif /* MACOS */
 157
 158 #ifndef ioctl_t
 159 #       define ioctl_t                          int
 160 #endif
 161
 162 #ifndef AC_SOCKET_INVALID
 163 #       define AC_SOCKET_INVALID        (-1)
 164 #endif
 165 #ifndef AC_SOCKET_ERROR
 166 #       define AC_SOCKET_ERROR          (-1)
 167 #endif
 168
 169 #if !defined( HAVE_INET_ATON ) && !defined( inet_aton )
 170 #       define inet_aton ldap_pvt_inet_aton
 171 struct in_addr;
 172 LDAP_F (int) ldap_pvt_inet_aton LDAP_P(( const char *, struct in_addr * ));
 173 #endif
 174
 175 #if     defined(__WIN32) && defined(_ALPHA)
 176 /* NT on Alpha is hosed. */
 177 #       define AC_HTONL( l ) \
 178         ((((l)&0xffU)<<24) + (((l)&0xff00U)<<8) + \
 179          (((l)&0xff0000U)>>8) + (((l)&0xff000000U)>>24))
 180 #       define AC_NTOHL(l) AC_HTONL(l)
 181
 182 #else
 183 #       define AC_HTONL( l ) htonl( l )
 184 #       define AC_NTOHL( l ) ntohl( l )
 185 #endif
 186
 187 /* htons()/ntohs() may be broken much like htonl()/ntohl() */
 188 #define AC_HTONS( s ) htons( s )
 189 #define AC_NTOHS( s ) ntohs( s )
 190
 191 #ifdef LDAP_PF_LOCAL
 192 #  if !defined( AF_LOCAL ) && defined( AF_UNIX )
 193 #    define AF_LOCAL    AF_UNIX
 194 #  endif
 195 #  if !defined( PF_LOCAL ) && defined( PF_UNIX )
 196 #    define PF_LOCAL    PF_UNIX
 197 #  endif
 198 #endif
 199
 200 #ifndef INET_ADDRSTRLEN
 201 #       define INET_ADDRSTRLEN 16
 202 #endif
 203 #ifndef INET6_ADDRSTRLEN
 204 #       define INET6_ADDRSTRLEN 46
 205 #endif
 206
 207 #if defined( HAVE_GETADDRINFO ) || defined( HAVE_GETNAMEINFO )
 208 #       ifdef HAVE_GAI_STRERROR
 209 #               define AC_GAI_STRERROR(x)       (gai_strerror((x)))
 210 #       else
 211 #               define AC_GAI_STRERROR(x)       (ldap_pvt_gai_strerror((x)))
 212                 LDAP_F (char *) ldap_pvt_gai_strerror( int );
 213 #       endif
 214 #endif
 215
 216 #if defined(LDAP_PF_LOCAL) && \
 217         !defined(HAVE_GETPEEREID) && \
 218         !defined(HAVE_GETPEERUCRED) && \
 219         !defined(SO_PEERCRED) && !defined(LOCAL_PEERCRED) && \
 220         defined(HAVE_SENDMSG) && (defined(HAVE_STRUCT_MSGHDR_MSG_ACCRIGHTSLEN) || \
 221         defined(HAVE_STRUCT_MSGHDR_MSG_CONTROL))
 222 #       define LDAP_PF_LOCAL_SENDMSG 1
 223 #endif
 224
 225 #ifdef HAVE_GETPEEREID
 226 #define LUTIL_GETPEEREID( s, uid, gid, bv )     getpeereid( s, uid, gid )
 227 #elif defined(LDAP_PF_LOCAL_SENDMSG)
 228 struct berval;
 229 LDAP_LUTIL_F( int ) lutil_getpeereid( int s, uid_t *, gid_t *, struct berval *bv );
 230 #define LUTIL_GETPEEREID( s, uid, gid, bv )     lutil_getpeereid( s, uid, gid, bv )
 231 #else
 232 LDAP_LUTIL_F( int ) lutil_getpeereid( int s, uid_t *, gid_t * );
 233 #define LUTIL_GETPEEREID( s, uid, gid, bv )     lutil_getpeereid( s, uid, gid )
 234 #endif
 235
 236 /* DNS RFC defines max host name as 255. New systems seem to use 1024 */
 237 #ifndef NI_MAXHOST
 238 #define NI_MAXHOST      256
 239 #endif
 240
 241 #ifdef HAVE_POLL
 242 # ifndef INFTIM
 243 #  define INFTIM (-1)
 244 # endif
 245 #undef POLL_OTHER
 246 #define POLL_OTHER   (POLLERR|POLLHUP)
 247 #undef POLL_READ
 248 #define POLL_READ    (POLLIN|POLLPRI|POLL_OTHER)
 249 #undef POLL_WRITE
 250 #define POLL_WRITE   (POLLOUT|POLL_OTHER)
 251 #endif
 252
 253 #endif /* _AC_SOCKET_H_ */