usr/src/lib/gss_mechs/mech_krb5/include/port-sockets.h

   1
   2 #ifndef _PORT_SOCKET_H
   3 #define _PORT_SOCKET_H
   4 #if defined(_WIN32)
   5
   6 #include <winsock2.h>
   7 #include <ws2tcpip.h>
   8
   9 /* Some of our own infrastructure where the WinSock stuff was too hairy
  10    to dump into a clean Unix program...  */
  11
  12 typedef WSABUF sg_buf;
  13
  14 #define SG_ADVANCE(SG, N) \
  15         ((SG)->len < (N)                                \
  16          ? (abort(), 0)                                 \
  17          : ((SG)->buf += (N), (SG)->len -= (N), 0))
  18
  19 #define SG_LEN(SG)              ((SG)->len + 0)
  20 #define SG_BUF(SG)              ((SG)->buf + 0)
  21 #define SG_SET(SG, B, N)        ((SG)->buf = (char *)(B),(SG)->len = (N))
  22
  23 #define SOCKET_INITIALIZE()     0
  24 #define SOCKET_CLEANUP()
  25 #define SOCKET_ERRNO            (WSAGetLastError())
  26 #define SOCKET_SET_ERRNO(x)     (WSASetLastError (x))
  27 #define SOCKET_NFDS(f)          (0)     /* select()'s first arg is ignored */
  28 #define SOCKET_READ(fd, b, l)   (recv(fd, b, l, 0))
  29 #define SOCKET_WRITE(fd, b, l)  (send(fd, b, l, 0))
  30 #define SOCKET_CONNECT          connect /* XXX */
  31 #define SOCKET_GETSOCKNAME      getsockname /* XXX */
  32 #define SOCKET_CLOSE            close /* XXX */
  33 #define SOCKET_EINTR            WSAEINTR
  34
  35 /* Return -1 for error or number of bytes written.
  36    TMP is a temporary variable; must be declared by the caller, and
  37    must be used by this macro (to avoid compiler warnings).  */
  38 /* WSASend returns 0 or SOCKET_ERROR.  */
  39 #define SOCKET_WRITEV_TEMP DWORD
  40 #define SOCKET_WRITEV(FD, SG, LEN, TMP) \
  41         (WSASend((FD), (SG), (LEN), &(TMP), 0, 0, 0) ? -1 : (TMP))
  42
  43 #define SHUTDOWN_READ   SD_RECEIVE
  44 #define SHUTDOWN_WRITE  SD_SEND
  45 #define SHUTDOWN_BOTH   SD_BOTH
  46
  47 #ifndef EINPROGRESS
  48 #define EINPROGRESS WSAEINPROGRESS
  49 #endif
  50 #ifndef EWOULDBLOCK
  51 #define EWOULDBLOCK WSAEWOULDBLOCK
  52 #endif
  53 #ifndef ECONNRESET
  54 #define ECONNRESET  WSAECONNRESET
  55 #endif
  56 #ifndef ECONNABORTED
  57 #define ECONNABORTED WSAECONNABORTED
  58 #endif
  59 #ifndef ECONNREFUSED
  60 #define ECONNREFUSED WSAECONNREFUSED
  61 #endif
  62 #ifndef EHOSTUNREACH
  63 #define EHOSTUNREACH WSAEHOSTUNREACH
  64 #endif
  65 #ifndef ETIMEDOUT
  66 #define ETIMEDOUT WSAETIMEDOUT
  67 #endif
  68
  69 #elif defined(__palmos__)
  70
  71 /* If this source file requires it, define struct sockaddr_in
  72    (and possibly other things related to network I/O).  */
  73
  74 #include "autoconf.h"
  75 #include <netdb.h>
  76 typedef int socklen_t;
  77
  78 #else /* UNIX variants */
  79
  80 #include "autoconf.h"
  81
  82 #include <sys/types.h>
  83 #include <netinet/in.h>         /* For struct sockaddr_in and in_addr */
  84 #include <arpa/inet.h>          /* For inet_ntoa */
  85 #include <netdb.h>
  86
  87 #ifndef HAVE_NETDB_H_H_ERRNO
  88 extern int h_errno;             /* In case it's missing, e.g., HP-UX 10.20. */
  89 #endif
  90
  91 #include <sys/param.h>          /* For MAXHOSTNAMELEN */
  92 #include <sys/socket.h>         /* For SOCK_*, AF_*, etc */
  93 #include <sys/time.h>           /* For struct timeval */
  94 #include <net/if.h>             /* For struct ifconf, for localaddr.c */
  95 #ifdef HAVE_SYS_UIO_H
  96 #include <sys/uio.h>            /* For struct iovec, for sg_buf */
  97 #endif
  98 #ifdef HAVE_SYS_FILIO_H
  99 #include <sys/filio.h>          /* For FIONBIO on Solaris.  */
 100 #endif
 101
 102 /* Either size_t or int or unsigned int is probably right.  Under
 103    SunOS 4, it looks like int is desired, according to the accept man
 104    page.  */
 105 #ifndef HAVE_SOCKLEN_T
 106 typedef int socklen_t;
 107 #endif
 108
 109 /* XXX should only be done if sockaddr_storage not found */
 110 #ifndef HAVE_STRUCT_SOCKADDR_STORAGE
 111 struct krb5int_sockaddr_storage {
 112     struct sockaddr_in s;
 113     /* Plenty of slop just in case we get an ipv6 address anyways.  */
 114     long extra[16];
 115 };
 116 #define sockaddr_storage krb5int_sockaddr_storage
 117 #endif
 118
 119 /*
 120  * Compatability with WinSock calls on MS-Windows...
 121  */
 122 #define SOCKET          int
 123 #define INVALID_SOCKET  ((SOCKET)~0)
 124 #define closesocket     close
 125 #define ioctlsocket     ioctl
 126 #define SOCKET_ERROR    (-1)
 127
 128 typedef struct iovec sg_buf;
 129
 130 #define SG_ADVANCE(SG, N) \
 131         ((SG)->iov_len < (N)                                    \
 132          ? (abort(), 0)                                         \
 133          : ((SG)->iov_base = (char *) (SG)->iov_base + (N),     \
 134             (SG)->iov_len -= (N), 0))
 135
 136 #define SG_LEN(SG)              ((SG)->iov_len + 0)
 137 #define SG_BUF(SG)              ((char*)(SG)->iov_base + 0)
 138 #define SG_SET(SG, B, L)        ((SG)->iov_base = (char*)(B), (SG)->iov_len = (L))
 139
 140 /* Some of our own infrastructure where the WinSock stuff was too hairy
 141    to dump into a clean Unix program...  */
 142
 143 #define SOCKET_INITIALIZE()     (0)     /* No error (or anything else) */
 144 #define SOCKET_CLEANUP()        /* nothing */
 145 #define SOCKET_ERRNO            errno
 146 #define SOCKET_SET_ERRNO(x)     (errno = (x))
 147 #define SOCKET_NFDS(f)          ((f)+1) /* select() arg for a single fd */
 148 #define SOCKET_READ             read
 149 #define SOCKET_WRITE            write
 150 #define SOCKET_CONNECT          connect
 151 #define SOCKET_GETSOCKNAME      getsockname
 152 #define SOCKET_CLOSE            close
 153 #define SOCKET_EINTR            EINTR
 154 #define SOCKET_WRITEV_TEMP int
 155 /* Use TMP to avoid compiler warnings and keep things consistent with
 156    Windoze version.  */
 157 #define SOCKET_WRITEV(FD, SG, LEN, TMP) \
 158         ((TMP) = writev((FD), (SG), (LEN)), (TMP))
 159
 160 #define SHUTDOWN_READ   0
 161 #define SHUTDOWN_WRITE  1
 162 #define SHUTDOWN_BOTH   2
 163
 164 #ifndef HAVE_INET_NTOP
 165 #define inet_ntop(AF,SRC,DST,CNT)                                           \
 166     ((AF) == AF_INET                                                        \
 167      ? ((CNT) < 16                                                          \
 168         ? (SOCKET_SET_ERRNO(ENOSPC), (const char *)NULL)                    \
 169         : (sprintf((DST), "%d.%d.%d.%d",                                    \
 170                    ((const unsigned char *)(const void *)(SRC))[0] & 0xff,  \
 171                    ((const unsigned char *)(const void *)(SRC))[1] & 0xff,  \
 172                    ((const unsigned char *)(const void *)(SRC))[2] & 0xff,  \
 173                    ((const unsigned char *)(const void *)(SRC))[3] & 0xff), \
 174            (DST)))                                                          \
 175      : (SOCKET_SET_ERRNO(EAFNOSUPPORT), (const char *)NULL))
 176 #define HAVE_INET_NTOP
 177 #endif
 178
 179 #endif /* _WIN32 */
 180
 181 #if !defined(_WIN32)
 182 /* UNIX or ...?  */
 183 # ifdef S_SPLINT_S
 184 extern int socket (int, int, int) /*@*/;
 185 # endif
 186 #endif
 187
 188 #endif /*_PORT_SOCKET_H*/