cups/http-private.h

   1 /*
   2  * "$Id$"
   3  *
   4  *   Private HTTP definitions for the Common UNIX Printing System (CUPS).
   5  *
   6  *   Copyright 1997-2005 by Easy Software Products, all rights reserved.
   7  *
   8  *   These coded instructions, statements, and computer programs are the
   9  *   property of Easy Software Products and are protected by Federal
  10  *   copyright law.  Distribution and use rights are outlined in the file
  11  *   "LICENSE.txt" which should have been included with this file.  If this
  12  *   file is missing or damaged please contact Easy Software Products
  13  *   at:
  14  *
  15  *       Attn: CUPS Licensing Information
  16  *       Easy Software Products
  17  *       44141 Airport View Drive, Suite 204
  18  *       Hollywood, Maryland 20636 USA
  19  *
  20  *       Voice: (301) 373-9600
  21  *       EMail: cups-info@cups.org
  22  *         WWW: http://www.cups.org
  23  *
  24  *   This file is subject to the Apple OS-Developed Software exception.
  25  */
  26
  27 #ifndef _CUPS_HTTP_PRIVATE_H_
  28 #  define _CUPS_HTTP_PRIVATE_H_
  29
  30 /*
  31  * Include necessary headers...
  32  */
  33
  34 #  include "config.h"
  35
  36 #  ifdef WIN32
  37 #    include <io.h>
  38 #    include <winsock2.h>
  39 #  else
  40 #    include <unistd.h>
  41 #    include <fcntl.h>
  42 #    include <sys/socket.h>
  43 #    define closesocket(f) close(f)
  44 #  endif /* WIN32 */
  45
  46 #  ifdef __sun
  47 /*
  48  * Define FD_SETSIZE to CUPS_MAX_FDS on Solaris to get the correct version of
  49  * select() for large numbers of file descriptors.
  50  */
  51
  52 #    define FD_SETSIZE  CUPS_MAX_FDS
  53 #    include <sys/select.h>
  54 #  endif /* __sun */
  55
  56 #  ifdef __sgi
  57 /*
  58  * IRIX does not define socklen_t, and in fact uses an int instead of
  59  * unsigned type for length values...
  60  */
  61
  62 typedef int socklen_t;
  63 #  endif /* __sgi */
  64
  65 #  include "http.h"
  66
  67 #  if defined HAVE_LIBSSL
  68 /*
  69  * The OpenSSL library provides its own SSL/TLS context structure for its
  70  * IO and protocol management...
  71  */
  72
  73 #    include <openssl/err.h>
  74 #    include <openssl/rand.h>
  75 #    include <openssl/ssl.h>
  76
  77 typedef SSL http_tls_t;
  78
  79 #  elif defined HAVE_GNUTLS
  80 /*
  81  * The GNU TLS library is more of a "bare metal" SSL/TLS library...
  82  */
  83 #    include <gnutls/gnutls.h>
  84
  85 typedef struct
  86 {
  87   gnutls_session        session;        /* GNU TLS session object */
  88   void                  *credentials;   /* GNU TLS credentials object */
  89 } http_tls_t;
  90
  91 #  elif defined(HAVE_CDSASSL)
  92 /*
  93  * Darwin's Security framework provides its own SSL/TLS context structure
  94  * for its IO and protocol management...
  95  */
  96
  97 #    include <Security/SecureTransport.h>
  98
  99 typedef SSLConnectionRef http_tls_t;
 100
 101 extern OSStatus _httpReadCDSA(SSLConnectionRef connection, void *data,
 102                               size_t *dataLength);
 103 extern OSStatus _httpWriteCDSA(SSLConnectionRef connection, const void *data,
 104                                size_t *dataLength);
 105 #  endif /* HAVE_LIBSSL */
 106
 107 /*
 108  * Some OS's don't have hstrerror(), most notably Solaris...
 109  */
 110
 111 #  ifndef HAVE_HSTRERROR
 112 extern const char *_cups_hstrerror(int error);
 113 #    define hstrerror _cups_hstrerror
 114 #  elif defined(_AIX) || defined(__osf__)
 115 /*
 116  * AIX and Tru64 UNIX don't provide a prototype but do provide the function...
 117  */
 118 extern const char *hstrerror(int error);
 119 #  endif /* !HAVE_HSTRERROR */
 120
 121 #endif /* !_CUPS_HTTP_PRIVATE_H_ */
 122
 123 /*
 124  * End of "$Id$".
 125  */