lib/util/tests/data_blob.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3
   4    data blob testing
   5
   6    Copyright (C) Jelmer Vernooij <jelmer@samba.org> 2008
   7
   8    This program is free software; you can redistribute it and/or modify
   9    it under the terms of the GNU General Public License as published by
  10    the Free Software Foundation; either version 3 of the License, or
  11    (at your option) any later version.
  12
  13    This program is distributed in the hope that it will be useful,
  14    but WITHOUT ANY WARRANTY; without even the implied warranty of
  15    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16    GNU General Public License for more details.
  17
  18    You should have received a copy of the GNU General Public License
  19    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  20 */
  21
  22 #include "includes.h"
  23 #include "torture/torture.h"
  24 #include "torture/local/proto.h"
  25
  26 static bool test_string(struct torture_context *tctx)
  27 {
  28         DATA_BLOB blob = data_blob_string_const("bla");
  29
  30         torture_assert_int_equal(tctx, blob.length, 3, "blob length");
  31         torture_assert_str_equal(tctx, (char *)blob.data, "bla", "blob data");
  32
  33         return true;
  34 }
  35
  36 static bool test_string_null(struct torture_context *tctx)
  37 {
  38         DATA_BLOB blob = data_blob_string_const_null("bla");
  39
  40         torture_assert_int_equal(tctx, blob.length, 4, "blob length");
  41         torture_assert_str_equal(tctx, (char *)blob.data, "bla", "blob data");
  42
  43         return true;
  44 }
  45
  46 static bool test_zero(struct torture_context *tctx)
  47 {
  48         int i;
  49         DATA_BLOB z = data_blob_talloc_zero(tctx, 4);
  50         torture_assert_int_equal(tctx, z.length, 4, "length");
  51         for (i = 0; i < z.length; i++)
  52                 torture_assert_int_equal(tctx, z.data[i], 0, "contents");
  53         data_blob_free(&z);
  54         return true;
  55 }
  56
  57
  58 static bool test_clear(struct torture_context *tctx)
  59 {
  60         int i;
  61         DATA_BLOB z = data_blob("lalala", 6);
  62         torture_assert_int_equal(tctx, z.length, 6, "length");
  63         data_blob_clear(&z);
  64         for (i = 0; i < z.length; i++)
  65                 torture_assert_int_equal(tctx, z.data[i], 0, "contents");
  66         data_blob_free(&z);
  67         return true;
  68 }
  69
  70 static bool test_cmp(struct torture_context *tctx)
  71 {
  72         DATA_BLOB a = data_blob_string_const("bla");
  73         DATA_BLOB b = data_blob_string_const("blae");
  74         torture_assert(tctx, data_blob_cmp(&a, &b) != 0, "cmp different");
  75         torture_assert(tctx, data_blob_cmp(&a, &a) == 0, "cmp self");
  76         return true;
  77 }
  78
  79 static bool test_equal_const_time(struct torture_context *tctx)
  80 {
  81         const char *test_string = "foobarfoo";
  82
  83         DATA_BLOB null = data_blob_const(NULL, 0);
  84         DATA_BLOB foobar = data_blob_const(test_string, 6);
  85         DATA_BLOB bar = data_blob_const(test_string + 3, 3);
  86
  87         /* These data blobs both contain 'foo', but at different addresses. */
  88         DATA_BLOB foo_same = data_blob_const(test_string, 3);
  89         DATA_BLOB foo_other = data_blob_const(test_string + 6, 3);
  90
  91         /* Test all equality combinations behave as expected. */
  92         torture_assert(tctx, data_blob_equal_const_time(&null, &null), "null == null");
  93         torture_assert(tctx, !data_blob_equal_const_time(&null, &foobar), "null != 'foobar'");
  94         torture_assert(tctx, !data_blob_equal_const_time(&null, &bar), "null != 'bar'");
  95         torture_assert(tctx, !data_blob_equal_const_time(&null, &foo_same), "null != 'foo'");
  96         torture_assert(tctx, !data_blob_equal_const_time(&null, &foo_other), "null != 'foo'");
  97
  98         torture_assert(tctx, !data_blob_equal_const_time(&foobar, &null), "'foobar' != null");
  99         torture_assert(tctx, data_blob_equal_const_time(&foobar, &foobar), "'foobar' == 'foobar'");
 100         torture_assert(tctx, !data_blob_equal_const_time(&foobar, &bar), "'foobar' != 'bar'");
 101         torture_assert(tctx, !data_blob_equal_const_time(&foobar, &foo_same), "'foobar' != 'foo'");
 102         torture_assert(tctx, !data_blob_equal_const_time(&foobar, &foo_other), "'foobar' != 'foo'");
 103
 104         torture_assert(tctx, !data_blob_equal_const_time(&foo_same, &null), "'foo' != null");
 105         torture_assert(tctx, !data_blob_equal_const_time(&foo_same, &foobar), "'foo' != 'foobar'");
 106         torture_assert(tctx, !data_blob_equal_const_time(&foo_same, &bar), "'foo' != 'bar'");
 107         torture_assert(tctx, data_blob_equal_const_time(&foo_same, &foo_same), "'foo' == 'foo'");
 108         torture_assert(tctx, data_blob_equal_const_time(&foo_same, &foo_other), "'foo' == 'foo'");
 109
 110         torture_assert(tctx, !data_blob_equal_const_time(&foo_other, &null), "'foo' != null");
 111         torture_assert(tctx, !data_blob_equal_const_time(&foo_other, &foobar), "'foo' != 'foobar'");
 112         torture_assert(tctx, !data_blob_equal_const_time(&foo_other, &bar), "'foo' != 'bar'");
 113         torture_assert(tctx, data_blob_equal_const_time(&foo_other, &foo_same), "'foo' == 'foo'");
 114         torture_assert(tctx, data_blob_equal_const_time(&foo_other, &foo_other), "'foo' == 'foo'");
 115
 116         torture_assert(tctx, !data_blob_equal_const_time(&bar, &null), "'bar' != null");
 117         torture_assert(tctx, !data_blob_equal_const_time(&bar, &foobar), "'bar' != 'foobar'");
 118         torture_assert(tctx, data_blob_equal_const_time(&bar, &bar), "'bar' == 'bar'");
 119         torture_assert(tctx, !data_blob_equal_const_time(&bar, &foo_same), "'bar' != 'foo'");
 120         torture_assert(tctx, !data_blob_equal_const_time(&bar, &foo_other), "'bar' != 'foo'");
 121
 122         return true;
 123 }
 124
 125 static bool test_hex_string(struct torture_context *tctx)
 126 {
 127         DATA_BLOB a = data_blob_string_const("\xC\xA\xF\xE");
 128         torture_assert_str_equal(tctx, data_blob_hex_string_lower(tctx, &a), "0c0a0f0e", "hex string");
 129         torture_assert_str_equal(tctx, data_blob_hex_string_upper(tctx, &a), "0C0A0F0E", "hex string");
 130         return true;
 131 }
 132
 133 static bool test_append_NULL_0(struct torture_context *tctx)
 134 {
 135         DATA_BLOB z = data_blob_talloc_zero(tctx, 0);
 136         torture_assert_int_equal(tctx, z.length, 0, "length");
 137         torture_assert(tctx, z.data == NULL, "data");
 138         torture_assert(tctx, data_blob_append(NULL, &z, NULL, 0), "append NULL,0");
 139         torture_assert(tctx, data_blob_append(NULL, &z, "", 0), "append '',0");
 140         torture_assert_int_equal(tctx, z.length, 0, "length");
 141         torture_assert(tctx, z.data == NULL, "data");
 142         return true;
 143 }
 144
 145 static bool test_append_empty_0(struct torture_context *tctx)
 146 {
 147         DATA_BLOB e = data_blob_talloc(tctx, "", 0);
 148         torture_assert_int_equal(tctx, e.length, 0, "length");
 149         torture_assert(tctx, e.data != NULL, "data");
 150         torture_assert(tctx, data_blob_append(NULL, &e, NULL, 0), "append NULL,0");
 151         torture_assert(tctx, data_blob_append(NULL, &e, "", 0), "append '',0");
 152         torture_assert_int_equal(tctx, e.length, 0, "length");
 153         torture_assert(tctx, e.data != NULL, "data");
 154         return true;
 155 }
 156
 157 struct torture_suite *torture_local_util_data_blob(TALLOC_CTX *mem_ctx)
 158 {
 159         struct torture_suite *suite = torture_suite_create(mem_ctx, "datablob");
 160
 161         torture_suite_add_simple_test(suite, "string", test_string);
 162         torture_suite_add_simple_test(suite, "string_null", test_string_null);
 163         torture_suite_add_simple_test(suite, "zero", test_zero);;
 164         torture_suite_add_simple_test(suite, "clear", test_clear);
 165         torture_suite_add_simple_test(suite, "cmp", test_cmp);
 166         torture_suite_add_simple_test(suite, "equal_const_time", test_equal_const_time);
 167         torture_suite_add_simple_test(suite, "hex string", test_hex_string);
 168         torture_suite_add_simple_test(suite, "append_NULL_0", test_append_NULL_0);
 169         torture_suite_add_simple_test(suite, "append_empty_0", test_append_empty_0);
 170
 171         return suite;
 172 }