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 <fcntl.h>
  19 #include <math.h>
  20 #ifdef WIN32
  21 #  include <tchar.h>
  22 #else
  23 #  include <signal.h>
  24 #  include <sys/time.h>
  25 #  include <sys/resource.h>
  26 #endif /* WIN32 */
  27 #ifdef HAVE_POLL
  28 #  include <poll.h>
  29 #endif /* HAVE_POLL */
  30
  31
  32 /*
  33  * Local functions...
  34  */
  35
  36 #ifdef HAVE_SSL
  37 #  ifdef HAVE_GNUTLS
  38 #    include "tls-gnutls.c"
  39 #  elif defined(HAVE_CDSASSL)
  40 #    include "tls-darwin.c"
  41 #  elif defined(HAVE_SSPISSL)
  42 #    include "tls-sspi.c"
  43 #  endif /* HAVE_GNUTLS */
  44 #else
  45 /* Stubs for when TLS is not supported/available */
  46 int
  47 httpCopyCredentials(http_t *http, cups_array_t **credentials)
  48 {
  49   (void)http;
  50   if (credentials)
  51     *credentials = NULL;
  52   return (-1);
  53 }
  54 int
  55 httpCredentialsAreValidForName(cups_array_t *credentials, const char *common_name)
  56 {
  57   (void)credentials;
  58   (void)common_name;
  59   return (1);
  60 }
  61 time_t
  62 httpCredentialsGetExpiration(cups_array_t *credentials)
  63 {
  64   (void)credentials;
  65   return (INT_MAX);
  66 }
  67 http_trust_t
  68 httpCredentialsGetTrust(cups_array_t *credentials, const char *common_name)
  69 {
  70   (void)credentials;
  71   (void)common_name;
  72   return (HTTP_TRUST_OK);
  73 }
  74 size_t
  75 httpCredentialsString(cups_array_t *credentials, char *buffer, size_t bufsize)
  76 {
  77   (void)credentials;
  78   (void)bufsize;
  79   if (buffer)
  80     *buffer = '\0';
  81   return (0);
  82 }
  83 int
  84 httpLoadCredentials(const char *path, cups_array_t **credentials, const char *common_name)
  85 {
  86   (void)path;
  87   (void)credentials;
  88   (void)common_name;
  89   return (-1);
  90 }
  91 int
  92 httpSaveCredentials(const char *path, cups_array_t *credentials, const char *common_name)
  93 {
  94   (void)path;
  95   (void)credentials;
  96   (void)common_name;
  97   return (-1);
  98 }
  99 #endif /* HAVE_SSL */