ncv/nacl_cpuid_test.c

   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_cpuid_test.c
  34  * test main and subroutines for nacl_cpuid
  35  */
  36 #include "native_client/include/portability.h"
  37 #include <stdio.h>
  38 #include <string.h>
  39 #include <stdlib.h>
  40 #include "native_client/ncv/nacl_cpuid.h"
  41 #include "native_client/ncv/nacl_cpuwhitelist.h"
  42
  43 #define dprint(args) printf args ;
  44
  45 #define sizeofA(array)  (sizeof(array)/sizeof(array[0]))
  46 static void CPUIDWhitelistUnitTests() {
  47   extern bool xNaCl_CPUIsWhitelisted(const char *myid);
  48   size_t i;
  49
  50   /* check lengths */
  51   for (i = 0; i < sizeofA(nacl_cpuwhitelist); i++) {
  52     if (strlen(nacl_cpuwhitelist[i]) != kCPUWhitelistIDLength - 1) {
  53       fprintf(stderr, "ERROR: whitelist entry %"PRIdS" bad length\n", i);
  54       exit(-1);
  55     }
  56   }
  57   /* check order */
  58   for (i = 1; i < sizeofA(nacl_cpuwhitelist); i++) {
  59     if (strncmp(nacl_cpuwhitelist[i-1], nacl_cpuwhitelist[i],
  60                 kCPUWhitelistIDLength) >= 0) {
  61       fprintf(stderr, "ERROR: whitelist order defect at index %"PRIdS"\n", i);
  62       exit(-1);
  63     }
  64   }
  65   if (!xNaCl_CPUIsWhitelisted(" FakeEntry0000000000")) {
  66     fprintf(stderr, "ERROR: whitelist search 1 failed\n");
  67     exit(-1);
  68   }
  69   if (!xNaCl_CPUIsWhitelisted("GenuineIntel00000f43")) {
  70     fprintf(stderr, "ERROR: whitelist search 2 failed\n");
  71     exit(-1);
  72   }
  73   if (!xNaCl_CPUIsWhitelisted("zFakeEntry0000000000")) {
  74     fprintf(stderr, "ERROR: whitelist search 3 failed\n");
  75     exit(-1);
  76   }
  77   if (xNaCl_CPUIsWhitelisted("a")) {
  78     fprintf(stderr, "ERROR: whitelist search 4 didn't fail\n");
  79     exit(-1);
  80   }
  81   if (xNaCl_CPUIsWhitelisted("")) {
  82     fprintf(stderr, "ERROR: whitelist search 5 didn't fail\n");
  83     exit(-1);
  84   }
  85   if (xNaCl_CPUIsWhitelisted("zFakeEntry0000000001")) {
  86     fprintf(stderr, "ERROR: whitelist search 6 didn't fail\n");
  87     exit(-1);
  88   }
  89   if (xNaCl_CPUIsWhitelisted("zFakeEntry00000000000")) {
  90     fprintf(stderr, "ERROR: whitelist search 7 didn't fail\n");
  91     exit(-1);
  92   }
  93   printf("All whitelist unit tests passed\n");
  94 }
  95
  96 int main(int argc, char *argv[]) {
  97   CPUFeatures fv;
  98   extern char *GetCPUWhitelistID();
  99   extern bool NaCl_CPUIsWhitelisted();
 100
 101   GetCPUFeatures(&fv);
 102   if (fv.f_386) dprint(("This is a 386 compatible computer\n"));
 103   printf("white list ID: %s\n", GetCPUWhitelistID());
 104   if (NaCl_CPUIsWhitelisted()) {
 105     printf("this CPU is on the whitelist\n");
 106   } else {
 107     printf("this CPU is NOT on the whitelist\n");
 108   }
 109
 110   CPUIDWhitelistUnitTests();
 111   return 0;
 112 }