service_runtime/expiration.h

   1 /*
   2  * Copyright 2008, Google Inc.
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions are
   7  * met:
   8  *
   9  *     * Redistributions of source code must retain the above copyright
  10  * notice, this list of conditions and the following disclaimer.
  11  *     * Redistributions in binary form must reproduce the above
  12  * copyright notice, this list of conditions and the following disclaimer
  13  * in the documentation and/or other materials provided with the
  14  * distribution.
  15  *     * Neither the name of Google Inc. nor the names of its
  16  * contributors may be used to endorse or promote products derived from
  17  * this software without specific prior written permission.
  18  *
  19  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  20  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  21  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  22  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  23  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  24  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  25  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  26  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  27  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  28  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  29  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  30  */
  31
  32 /*
  33  * NaCl expiration check
  34  */
  35
  36 #ifndef SERVICE_RUNTIME_EXPIRATION_H__
  37 #define SERVICE_RUNTIME_EXPIRATION_H__  1
  38
  39 #include <time.h>
  40
  41 #define EXPIRATION_CHECK 1
  42 #define EXPIRATION_YEAR 2009
  43 #define EXPIRATION_MONTH 4
  44 #define EXPIRATION_DAY 17
  45
  46 /* checks current date against expiration date */
  47 /* returns 0 for good, non-zero for expired */
  48 #if NACL_WINDOWS
  49 __inline
  50 #else
  51 inline
  52 #endif
  53 int NaClHasExpired() {
  54 #if defined(EXPIRATION_CHECK)
  55   int year;
  56   int month;
  57   int day;
  58   time_t t;
  59   struct tm today;
  60   if (-1 == time(&t)) {
  61     return 1;
  62   }
  63 #if NACL_WINDOWS
  64   if (0 != localtime_s(&today, &t)) {
  65     return 1;
  66   }
  67 #else
  68   if (NULL == localtime_r(&t, &today)) {
  69     return 1;
  70   }
  71 #endif
  72   year = today.tm_year + 1900;
  73   month = today.tm_mon + 1;
  74   day = today.tm_mday;
  75   if (year > EXPIRATION_YEAR) {
  76     return 1;
  77   }
  78   if (year < EXPIRATION_YEAR) {
  79     return 0;
  80   }
  81   if (month > EXPIRATION_MONTH) {
  82     return 1;
  83   }
  84   if (month < EXPIRATION_MONTH) {
  85     return 0;
  86   }
  87   if (day > EXPIRATION_DAY) {
  88     return 1;
  89   }
  90 #endif  /* if defined(EXPIRATION_CHECK) */
  91   return 0;
  92 }
  93
  94 #endif