OSX/utilities/Regressions/su-13-cfnumber-der.c

   1 /*
   2  * Copyright (c) 2012,2014 Apple Inc. All Rights Reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * This file contains Original Code and/or Modifications of Original Code
   7  * as defined in and that are subject to the Apple Public Source License
   8  * Version 2.0 (the 'License'). You may not use this file except in
   9  * compliance with the License. Please obtain a copy of the License at
  10  * http://www.opensource.apple.com/apsl/ and read it before using this
  11  * file.
  12  *
  13  * The Original Code and all software distributed under the License are
  14  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  15  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  16  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  18  * Please see the License for the specific language governing rights and
  19  * limitations under the License.
  20  *
  21  * @APPLE_LICENSE_HEADER_END@
  22  */
  23
  24
  25 #include "utilities/der_plist.h"
  26 #include "utilities/der_plist_internal.h"
  27
  28 #include "utilities/SecCFRelease.h"
  29 #include "utilities/array_size.h"
  30
  31 #include <CoreFoundation/CoreFoundation.h>
  32
  33 #include "utilities_regressions.h"
  34
  35 #define kMaxResultSize 30
  36
  37 struct test_case {
  38     long long value;
  39     size_t    encoded_size;
  40     uint8_t   encoded[20];
  41 };
  42
  43 static struct test_case test_cases[] =
  44 {
  45     { .value = 0, .encoded_size = 3,    .encoded = { 0x02, 0x01, 0x00 }, },
  46     { .value = 1, .encoded_size = 3, .encoded = { 0x02, 0x01, 0x01 }, },
  47     { .value = 128, .encoded_size = 4, .encoded = { 0x02, 0x02, 0x00, 0x80 }, },
  48     { .value = -1, .encoded_size = 3, .encoded = { 0x02, 0x01, 0xFF }, },
  49     { .value = -129, .encoded_size = 4, .encoded = { 0x02, 0x02, 0xFF, 0x7F }, },
  50     { .value = 1000, .encoded_size = 4, .encoded = { 0x02, 0x02, 0x03, 0xE8, }, },
  51     { .value = 65280, .encoded_size = 5, .encoded = { 0x02, 0x03, 0x00, 0xFF, 0x00 }, },
  52     { .value = 41234576, .encoded_size = 6, .encoded = { 0x02, 0x04, 0x02, 0x75, 0x30, 0x90 }, },
  53     { .value = -412343576, .encoded_size = 6, .encoded = { 0x02, 0x04, 0xE7, 0x6C, 0x22, 0xE8 }, },
  54 };
  55
  56 #define kTestsPerTestCase 8
  57 static void one_test(const struct test_case * thisCase)
  58 {
  59     uint8_t buffer[kMaxResultSize];
  60     uint8_t* buffer_end = buffer + sizeof(buffer);
  61
  62     CFNumberRef initialValue = CFNumberCreate(NULL, kCFNumberLongLongType, &thisCase->value);
  63
  64     uint8_t* encoded = der_encode_plist(initialValue, NULL, buffer, buffer_end);
  65
  66     ok(encoded != NULL &&
  67        (thisCase->encoded_size == (buffer_end - encoded)) &&
  68        (memcmp(encoded, thisCase->encoded, thisCase->encoded_size) == 0));
  69
  70     encoded = der_encode_number(initialValue, NULL, buffer, buffer_end);
  71
  72     ok(encoded != NULL &&
  73        (thisCase->encoded_size == (buffer_end - encoded)) &&
  74        (memcmp(encoded, thisCase->encoded, thisCase->encoded_size) == 0));
  75
  76 #if 0
  77     printf(".size = %d, .res = { ", (buffer_end - encoded));
  78     for(int c = 0; c < (buffer_end - encoded); ++c)
  79         printf("0x%02X, ", encoded[c]);
  80     printf("},\n");
  81 #endif
  82
  83     CFNumberRef decoded = NULL;
  84
  85     const uint8_t* decode_end = der_decode_number(NULL,
  86                                                   &decoded, NULL, encoded, buffer_end);
  87
  88     ok(decode_end == buffer_end, "didn't decode whole buffer");
  89     ok((decoded != NULL) && CFEqual(decoded, initialValue), "Didn't make equal value.");
  90
  91     CFPropertyListRef decoded_type = NULL;
  92
  93     decode_end = der_decode_plist(NULL,
  94                                   &decoded_type, NULL, encoded, buffer_end);
  95
  96     ok(decode_end == buffer_end, "didn't decode whole buffer");
  97     ok((decoded != NULL) && CFEqual(decoded_type, initialValue), "Didn't make equal value.");
  98
  99     ok(der_sizeof_number(initialValue, NULL) == thisCase->encoded_size, "Size correct.");
 100     ok(der_sizeof_plist(initialValue, NULL) == thisCase->encoded_size, "Size correct.");
 101
 102     CFReleaseNull(decoded);
 103     CFReleaseNull(decoded_type);
 104 }
 105
 106 #define kTestCount (array_size(test_cases) * kTestsPerTestCase)
 107 static void tests(void)
 108 {
 109     for (int testnumber = 0; testnumber < array_size(test_cases); ++testnumber)
 110         one_test(test_cases + testnumber);
 111 }
 112
 113 int su_13_cfnumber_der(int argc, char *const *argv)
 114 {
 115     plan_tests(kTestCount);
 116     tests();
 117
 118     return 0;
 119 }