test/asn1_decode_test.c

   1 /*
   2  * Copyright 2017-2018 The OpenSSL Project Authors. All Rights Reserved.
   3  *
   4  * Licensed under the Apache License 2.0 (the "License").  You may not use
   5  * this file except in compliance with the License.  You can obtain a copy
   6  * in the file LICENSE in the source distribution or at
   7  * https://www.openssl.org/source/license.html
   8  */
   9
  10 #include <stdio.h>
  11 #include <string.h>
  12
  13 #include <openssl/rand.h>
  14 #include <openssl/asn1t.h>
  15 #include "internal/numbers.h"
  16 #include "testutil.h"
  17
  18 #ifdef __GNUC__
  19 # pragma GCC diagnostic ignored "-Wunused-function"
  20 #endif
  21 #ifdef __clang__
  22 # pragma clang diagnostic ignored "-Wunused-function"
  23 #endif
  24
  25 /* Badly coded ASN.1 INTEGER zero wrapped in a sequence */
  26 static unsigned char t_invalid_zero[] = {
  27     0x30, 0x02,                  /* SEQUENCE tag + length */
  28     0x02, 0x00                   /* INTEGER tag + length */
  29 };
  30
  31 #ifndef OPENSSL_NO_DEPRECATED_3_0
  32 /* LONG case ************************************************************* */
  33
  34 typedef struct {
  35     long test_long;
  36 } ASN1_LONG_DATA;
  37
  38 ASN1_SEQUENCE(ASN1_LONG_DATA) = {
  39     ASN1_EMBED(ASN1_LONG_DATA, test_long, LONG),
  40 } static_ASN1_SEQUENCE_END(ASN1_LONG_DATA)
  41
  42 IMPLEMENT_STATIC_ASN1_ENCODE_FUNCTIONS(ASN1_LONG_DATA)
  43 IMPLEMENT_STATIC_ASN1_ALLOC_FUNCTIONS(ASN1_LONG_DATA)
  44
  45 static int test_long(void)
  46 {
  47     const unsigned char *p = t_invalid_zero;
  48     ASN1_LONG_DATA *dectst =
  49         d2i_ASN1_LONG_DATA(NULL, &p, sizeof(t_invalid_zero));
  50
  51     if (dectst == NULL)
  52         return 0;                /* Fail */
  53
  54     ASN1_LONG_DATA_free(dectst);
  55     return 1;
  56 }
  57 #endif
  58
  59 /* INT32 case ************************************************************* */
  60
  61 typedef struct {
  62     int32_t test_int32;
  63 } ASN1_INT32_DATA;
  64
  65 ASN1_SEQUENCE(ASN1_INT32_DATA) = {
  66     ASN1_EMBED(ASN1_INT32_DATA, test_int32, INT32),
  67 } static_ASN1_SEQUENCE_END(ASN1_INT32_DATA)
  68
  69 IMPLEMENT_STATIC_ASN1_ENCODE_FUNCTIONS(ASN1_INT32_DATA)
  70 IMPLEMENT_STATIC_ASN1_ALLOC_FUNCTIONS(ASN1_INT32_DATA)
  71
  72 static int test_int32(void)
  73 {
  74     const unsigned char *p = t_invalid_zero;
  75     ASN1_INT32_DATA *dectst =
  76         d2i_ASN1_INT32_DATA(NULL, &p, sizeof(t_invalid_zero));
  77
  78     if (dectst == NULL)
  79         return 0;                /* Fail */
  80
  81     ASN1_INT32_DATA_free(dectst);
  82     return 1;
  83 }
  84
  85 /* UINT32 case ************************************************************* */
  86
  87 typedef struct {
  88     uint32_t test_uint32;
  89 } ASN1_UINT32_DATA;
  90
  91 ASN1_SEQUENCE(ASN1_UINT32_DATA) = {
  92     ASN1_EMBED(ASN1_UINT32_DATA, test_uint32, UINT32),
  93 } static_ASN1_SEQUENCE_END(ASN1_UINT32_DATA)
  94
  95 IMPLEMENT_STATIC_ASN1_ENCODE_FUNCTIONS(ASN1_UINT32_DATA)
  96 IMPLEMENT_STATIC_ASN1_ALLOC_FUNCTIONS(ASN1_UINT32_DATA)
  97
  98 static int test_uint32(void)
  99 {
 100     const unsigned char *p = t_invalid_zero;
 101     ASN1_UINT32_DATA *dectst =
 102         d2i_ASN1_UINT32_DATA(NULL, &p, sizeof(t_invalid_zero));
 103
 104     if (dectst == NULL)
 105         return 0;                /* Fail */
 106
 107     ASN1_UINT32_DATA_free(dectst);
 108     return 1;
 109 }
 110
 111 /* INT64 case ************************************************************* */
 112
 113 typedef struct {
 114     int64_t test_int64;
 115 } ASN1_INT64_DATA;
 116
 117 ASN1_SEQUENCE(ASN1_INT64_DATA) = {
 118     ASN1_EMBED(ASN1_INT64_DATA, test_int64, INT64),
 119 } static_ASN1_SEQUENCE_END(ASN1_INT64_DATA)
 120
 121 IMPLEMENT_STATIC_ASN1_ENCODE_FUNCTIONS(ASN1_INT64_DATA)
 122 IMPLEMENT_STATIC_ASN1_ALLOC_FUNCTIONS(ASN1_INT64_DATA)
 123
 124 static int test_int64(void)
 125 {
 126     const unsigned char *p = t_invalid_zero;
 127     ASN1_INT64_DATA *dectst =
 128         d2i_ASN1_INT64_DATA(NULL, &p, sizeof(t_invalid_zero));
 129
 130     if (dectst == NULL)
 131         return 0;                /* Fail */
 132
 133     ASN1_INT64_DATA_free(dectst);
 134     return 1;
 135 }
 136
 137 /* UINT64 case ************************************************************* */
 138
 139 typedef struct {
 140     uint64_t test_uint64;
 141 } ASN1_UINT64_DATA;
 142
 143 ASN1_SEQUENCE(ASN1_UINT64_DATA) = {
 144     ASN1_EMBED(ASN1_UINT64_DATA, test_uint64, UINT64),
 145 } static_ASN1_SEQUENCE_END(ASN1_UINT64_DATA)
 146
 147 IMPLEMENT_STATIC_ASN1_ENCODE_FUNCTIONS(ASN1_UINT64_DATA)
 148 IMPLEMENT_STATIC_ASN1_ALLOC_FUNCTIONS(ASN1_UINT64_DATA)
 149
 150 static int test_uint64(void)
 151 {
 152     const unsigned char *p = t_invalid_zero;
 153     ASN1_UINT64_DATA *dectst =
 154         d2i_ASN1_UINT64_DATA(NULL, &p, sizeof(t_invalid_zero));
 155
 156     if (dectst == NULL)
 157         return 0;                /* Fail */
 158
 159     ASN1_UINT64_DATA_free(dectst);
 160     return 1;
 161 }
 162
 163 int setup_tests(void)
 164 {
 165 #ifndef OPENSSL_NO_DEPRECATED_3_0
 166     ADD_TEST(test_long);
 167 #endif
 168     ADD_TEST(test_int32);
 169     ADD_TEST(test_uint32);
 170     ADD_TEST(test_int64);
 171     ADD_TEST(test_uint64);
 172     return 1;
 173 }