cups/tls.c

   1 /*
   2  * TLS routines for CUPS.
   3  *
   4  * Copyright 2007-2014 by Apple Inc.
   5  * Copyright 1997-2007 by Easy Software Products, all rights reserved.
   6  *
   7  * This file contains Kerberos support code, copyright 2006 by
   8  * Jelmer Vernooij.
   9  *
  10  * Licensed under Apache License v2.0.  See the file "LICENSE" for more information.
  11  */
  12
  13 /*
  14  * Include necessary headers...
  15  */
  16
  17 #include "cups-private.h"
  18 #include "debug-internal.h"
  19 #include <fcntl.h>
  20 #include <math.h>
  21 #ifdef _WIN32
  22 #  include <tchar.h>
  23 #else
  24 #  include <signal.h>
  25 #  include <sys/time.h>
  26 #  include <sys/resource.h>
  27 #endif /* _WIN32 */
  28 #ifdef HAVE_POLL
  29 #  include <poll.h>
  30 #endif /* HAVE_POLL */
  31
  32
  33 /*
  34  * Include platform-specific TLS code...
  35  */
  36
  37 #ifdef HAVE_SSL
  38 #  ifdef HAVE_GNUTLS
  39 #    include "tls-gnutls.c"
  40 #  elif defined(HAVE_CDSASSL)
  41 #    include "tls-darwin.c"
  42 #  elif defined(HAVE_SSPISSL)
  43 #    include "tls-sspi.c"
  44 #  endif /* HAVE_GNUTLS */
  45 #else
  46 /* Stubs for when TLS is not supported/available */
  47 int
  48 httpCopyCredentials(http_t *http, cups_array_t **credentials)
  49 {
  50   (void)http;
  51   if (credentials)
  52     *credentials = NULL;
  53   return (-1);
  54 }
  55 int
  56 httpCredentialsAreValidForName(cups_array_t *credentials, const char *common_name)
  57 {
  58   (void)credentials;
  59   (void)common_name;
  60   return (1);
  61 }
  62 time_t
  63 httpCredentialsGetExpiration(cups_array_t *credentials)
  64 {
  65   (void)credentials;
  66   return (INT_MAX);
  67 }
  68 http_trust_t
  69 httpCredentialsGetTrust(cups_array_t *credentials, const char *common_name)
  70 {
  71   (void)credentials;
  72   (void)common_name;
  73   return (HTTP_TRUST_OK);
  74 }
  75 size_t
  76 httpCredentialsString(cups_array_t *credentials, char *buffer, size_t bufsize)
  77 {
  78   (void)credentials;
  79   (void)bufsize;
  80   if (buffer)
  81     *buffer = '\0';
  82   return (0);
  83 }
  84 int
  85 httpLoadCredentials(const char *path, cups_array_t **credentials, const char *common_name)
  86 {
  87   (void)path;
  88   (void)credentials;
  89   (void)common_name;
  90   return (-1);
  91 }
  92 int
  93 httpSaveCredentials(const char *path, cups_array_t *credentials, const char *common_name)
  94 {
  95   (void)path;
  96   (void)credentials;
  97   (void)common_name;
  98   return (-1);
  99 }
 100 #endif /* HAVE_SSL */