test/params_api_test.c

   1 /*
   2  * Copyright 2019-2020 The OpenSSL Project Authors. All Rights Reserved.
   3  * Copyright (c) 2019, Oracle and/or its affiliates.  All rights reserved.
   4  *
   5  * Licensed under the Apache License 2.0 (the "License").  You may not use
   6  * this file except in compliance with the License.  You can obtain a copy
   7  * in the file LICENSE in the source distribution or at
   8  * https://www.openssl.org/source/license.html
   9  */
  10
  11 #include <string.h>
  12 #include "testutil.h"
  13 #include "internal/nelem.h"
  14 #include "internal/endian.h"
  15 #include <openssl/params.h>
  16 #include <openssl/bn.h>
  17
  18 /* The maximum size of the static buffers used to test most things */
  19 #define MAX_LEN 20
  20
  21 static void swap_copy(unsigned char *out, const void *in, size_t len)
  22 {
  23     size_t j;
  24
  25     for (j = 0; j < len; j++)
  26         out[j] = ((unsigned char *)in)[len - j - 1];
  27 }
  28
  29 /*
  30  * A memory copy that converts the native byte ordering either to or from
  31  * little endian format.
  32  *
  33  * On a little endian machine copying either is just a memcpy(3), on a
  34  * big endian machine copying from native to or from little endian involves
  35  * byte reversal.
  36  */
  37 static void le_copy(unsigned char *out, const void *in, size_t len)
  38 {
  39     DECLARE_IS_ENDIAN;
  40
  41     if (IS_LITTLE_ENDIAN)
  42         memcpy(out, in, len);
  43     else
  44         swap_copy(out, in, len);
  45 }
  46
  47 static const struct {
  48     size_t len;
  49     unsigned char value[MAX_LEN];
  50 } raw_values[] = {
  51     { 1, { 0x47 } },
  52     { 1, { 0xd0 } },
  53     { 2, { 0x01, 0xe9 } },
  54     { 2, { 0xff, 0x53 } },
  55     { 3, { 0x16, 0xff, 0x7c } },
  56     { 3, { 0xa8, 0x9c, 0x0e } },
  57     { 4, { 0x38, 0x27, 0xbf, 0x3b } },
  58     { 4, { 0x9f, 0x26, 0x48, 0x22 } },
  59     { 5, { 0x30, 0x65, 0xfa, 0xe4, 0x81 } },
  60     { 5, { 0xd1, 0x76, 0x01, 0x1b, 0xcd } },
  61     { 8, { 0x59, 0xb2, 0x1a, 0xe9, 0x2a, 0xd8, 0x46, 0x40 } },
  62     { 8, { 0xb4, 0xae, 0xbd, 0xb4, 0xdd, 0x04, 0xb1, 0x4c } },
  63     { 16, { 0x61, 0xe8, 0x7e, 0x31, 0xe9, 0x33, 0x83, 0x3d,
  64             0x87, 0x99, 0xc7, 0xd8, 0x5d, 0xa9, 0x8b, 0x42 } },
  65     { 16, { 0xee, 0x6e, 0x8b, 0xc3, 0xec, 0xcf, 0x37, 0xcc,
  66             0x89, 0x67, 0xf2, 0x68, 0x33, 0xa0, 0x14, 0xb0 } },
  67 };
  68
  69 static int test_param_type_extra(OSSL_PARAM *param, const unsigned char *cmp,
  70                                  size_t width)
  71 {
  72     int32_t i32;
  73     int64_t i64;
  74     size_t s, sz;
  75     unsigned char buf[MAX_LEN];
  76     const int bit32 = param->data_size <= sizeof(int32_t);
  77     const int sizet = param->data_size <= sizeof(size_t);
  78     const int signd = param->data_type == OSSL_PARAM_INTEGER;
  79
  80     /*
  81      * Set the unmodified sentinal directly because there is no param array
  82      * for these tests.
  83      */
  84     param->return_size = OSSL_PARAM_UNMODIFIED;
  85     if (signd) {
  86         if ((bit32 && !TEST_true(OSSL_PARAM_get_int32(param, &i32)))
  87             || !TEST_true(OSSL_PARAM_get_int64(param, &i64)))
  88             return 0;
  89     } else {
  90         if ((bit32
  91              && !TEST_true(OSSL_PARAM_get_uint32(param, (uint32_t *)&i32)))
  92             || !TEST_true(OSSL_PARAM_get_uint64(param, (uint64_t *)&i64))
  93             || (sizet && !TEST_true(OSSL_PARAM_get_size_t(param, &s))))
  94             return 0;
  95     }
  96     if (!TEST_false(OSSL_PARAM_modified(param)))
  97         return 0;
  98
  99     /* Check signed types */
 100     if (bit32) {
 101         le_copy(buf, &i32, sizeof(i32));
 102         sz = sizeof(i32) < width ? sizeof(i32) : width;
 103         if (!TEST_mem_eq(buf, sz, cmp, sz))
 104             return 0;
 105     }
 106     le_copy(buf, &i64, sizeof(i64));
 107     sz = sizeof(i64) < width ? sizeof(i64) : width;
 108     if (!TEST_mem_eq(buf, sz, cmp, sz))
 109         return 0;
 110     if (sizet && !signd) {
 111         le_copy(buf, &s, sizeof(s));
 112         sz = sizeof(s) < width ? sizeof(s) : width;
 113         if (!TEST_mem_eq(buf, sz, cmp, sz))
 114             return 0;
 115     }
 116
 117     /* Check a widening write if possible */
 118     if (sizeof(size_t) > width) {
 119         if (signd) {
 120             if (!TEST_true(OSSL_PARAM_set_int32(param, 12345))
 121                 || !TEST_true(OSSL_PARAM_get_int64(param, &i64))
 122                 || !TEST_size_t_eq((size_t)i64, 12345))
 123                 return 0;
 124         } else {
 125             if (!TEST_true(OSSL_PARAM_set_uint32(param, 12345))
 126                 || !TEST_true(OSSL_PARAM_get_uint64(param, (uint64_t *)&i64))
 127                 || !TEST_size_t_eq((size_t)i64, 12345))
 128                 return 0;
 129         }
 130         if (!TEST_true(OSSL_PARAM_modified(param)))
 131             return 0;
 132     }
 133     return 1;
 134 }
 135
 136 /*
 137  * The test cases for each of the bastic integral types are similar.
 138  * For each type, a param of that type is set and an attempt to read it
 139  * get is made.  Finally, the above function is called to verify that
 140  * the params can be read as other types.
 141  *
 142  * All the real work is done via byte buffers which are converted to machine
 143  * byte order and to little endian for comparisons.  Narrower values are best
 144  * compared using little endian because their values and positions don't
 145  * change.
 146  */
 147
 148 static int test_param_int(int n)
 149 {
 150     int in, out;
 151     unsigned char buf[MAX_LEN], cmp[sizeof(int)];
 152     const size_t len = raw_values[n].len >= sizeof(int) ?
 153                        sizeof(int) : raw_values[n].len;
 154     OSSL_PARAM param = OSSL_PARAM_int("a", NULL);
 155
 156     memset(buf, 0, sizeof(buf));
 157     le_copy(buf, raw_values[n].value, sizeof(in));
 158     memcpy(&in, buf, sizeof(in));
 159     param.data = &out;
 160     if (!TEST_true(OSSL_PARAM_set_int(&param, in)))
 161         return 0;
 162     le_copy(cmp, &out, sizeof(out));
 163     if (!TEST_mem_eq(cmp, len, raw_values[n].value, len))
 164         return 0;
 165     in = 0;
 166     if (!TEST_true(OSSL_PARAM_get_int(&param, &in)))
 167         return 0;
 168     le_copy(cmp, &in, sizeof(in));
 169     if (!TEST_mem_eq(cmp, sizeof(in), raw_values[n].value, sizeof(in)))
 170         return 0;
 171     param.data = &out;
 172     return test_param_type_extra(&param, raw_values[n].value, sizeof(int));
 173 }
 174
 175 static int test_param_long(int n)
 176 {
 177     long int in, out;
 178     unsigned char buf[MAX_LEN], cmp[sizeof(long int)];
 179     const size_t len = raw_values[n].len >= sizeof(long int)
 180                        ? sizeof(long int) : raw_values[n].len;
 181     OSSL_PARAM param = OSSL_PARAM_long("a", NULL);
 182
 183     memset(buf, 0, sizeof(buf));
 184     le_copy(buf, raw_values[n].value, sizeof(in));
 185     memcpy(&in, buf, sizeof(in));
 186     param.data = &out;
 187     if (!TEST_true(OSSL_PARAM_set_long(&param, in)))
 188         return 0;
 189     le_copy(cmp, &out, sizeof(out));
 190     if (!TEST_mem_eq(cmp, len, raw_values[n].value, len))
 191         return 0;
 192     in = 0;
 193     if (!TEST_true(OSSL_PARAM_get_long(&param, &in)))
 194         return 0;
 195     le_copy(cmp, &in, sizeof(in));
 196     if (!TEST_mem_eq(cmp, sizeof(in), raw_values[n].value, sizeof(in)))
 197         return 0;
 198     param.data = &out;
 199     return test_param_type_extra(&param, raw_values[n].value, sizeof(long int));
 200 }
 201
 202 static int test_param_uint(int n)
 203 {
 204     unsigned int in, out;
 205     unsigned char buf[MAX_LEN], cmp[sizeof(unsigned int)];
 206     const size_t len = raw_values[n].len >= sizeof(unsigned int) ? sizeof(unsigned int) : raw_values[n].len;
 207     OSSL_PARAM param = OSSL_PARAM_uint("a", NULL);
 208
 209     memset(buf, 0, sizeof(buf));
 210     le_copy(buf, raw_values[n].value, sizeof(in));
 211     memcpy(&in, buf, sizeof(in));
 212     param.data = &out;
 213     if (!TEST_true(OSSL_PARAM_set_uint(&param, in)))
 214         return 0;
 215     le_copy(cmp, &out, sizeof(out));
 216     if (!TEST_mem_eq(cmp, len, raw_values[n].value, len))
 217         return 0;
 218     in = 0;
 219     if (!TEST_true(OSSL_PARAM_get_uint(&param, &in)))
 220         return 0;
 221     le_copy(cmp, &in, sizeof(in));
 222     if (!TEST_mem_eq(cmp, sizeof(in), raw_values[n].value, sizeof(in)))
 223         return 0;
 224     param.data = &out;
 225     return test_param_type_extra(&param, raw_values[n].value, sizeof(unsigned int));
 226 }
 227
 228 static int test_param_ulong(int n)
 229 {
 230     unsigned long int in, out;
 231     unsigned char buf[MAX_LEN], cmp[sizeof(unsigned long int)];
 232     const size_t len = raw_values[n].len >= sizeof(unsigned long int)
 233                        ? sizeof(unsigned long int) : raw_values[n].len;
 234     OSSL_PARAM param = OSSL_PARAM_ulong("a", NULL);
 235
 236     memset(buf, 0, sizeof(buf));
 237     le_copy(buf, raw_values[n].value, sizeof(in));
 238     memcpy(&in, buf, sizeof(in));
 239     param.data = &out;
 240     if (!TEST_true(OSSL_PARAM_set_ulong(&param, in)))
 241         return 0;
 242     le_copy(cmp, &out, sizeof(out));
 243     if (!TEST_mem_eq(cmp, len, raw_values[n].value, len))
 244         return 0;
 245     in = 0;
 246     if (!TEST_true(OSSL_PARAM_get_ulong(&param, &in)))
 247         return 0;
 248     le_copy(cmp, &in, sizeof(in));
 249     if (!TEST_mem_eq(cmp, sizeof(in), raw_values[n].value, sizeof(in)))
 250         return 0;
 251     param.data = &out;
 252     return test_param_type_extra(&param, raw_values[n].value, sizeof(unsigned long int));
 253 }
 254
 255 static int test_param_int32(int n)
 256 {
 257     int32_t in, out;
 258     unsigned char buf[MAX_LEN], cmp[sizeof(int32_t)];
 259     const size_t len = raw_values[n].len >= sizeof(int32_t)
 260                        ? sizeof(int32_t) : raw_values[n].len;
 261     OSSL_PARAM param = OSSL_PARAM_int32("a", NULL);
 262
 263     memset(buf, 0, sizeof(buf));
 264     le_copy(buf, raw_values[n].value, sizeof(in));
 265     memcpy(&in, buf, sizeof(in));
 266     param.data = &out;
 267     if (!TEST_true(OSSL_PARAM_set_int32(&param, in)))
 268         return 0;
 269     le_copy(cmp, &out, sizeof(out));
 270     if (!TEST_mem_eq(cmp, len, raw_values[n].value, len))
 271         return 0;
 272     in = 0;
 273     if (!TEST_true(OSSL_PARAM_get_int32(&param, &in)))
 274         return 0;
 275     le_copy(cmp, &in, sizeof(in));
 276     if (!TEST_mem_eq(cmp, sizeof(in), raw_values[n].value, sizeof(in)))
 277         return 0;
 278     param.data = &out;
 279     return test_param_type_extra(&param, raw_values[n].value, sizeof(int32_t));
 280 }
 281
 282 static int test_param_uint32(int n)
 283 {
 284     uint32_t in, out;
 285     unsigned char buf[MAX_LEN], cmp[sizeof(uint32_t)];
 286     const size_t len = raw_values[n].len >= sizeof(uint32_t)
 287                        ? sizeof(uint32_t) : raw_values[n].len;
 288     OSSL_PARAM param = OSSL_PARAM_uint32("a", NULL);
 289
 290     memset(buf, 0, sizeof(buf));
 291     le_copy(buf, raw_values[n].value, sizeof(in));
 292     memcpy(&in, buf, sizeof(in));
 293     param.data = &out;
 294     if (!TEST_true(OSSL_PARAM_set_uint32(&param, in)))
 295         return 0;
 296     le_copy(cmp, &out, sizeof(out));
 297     if (!TEST_mem_eq(cmp, len, raw_values[n].value, len))
 298         return 0;
 299     in = 0;
 300     if (!TEST_true(OSSL_PARAM_get_uint32(&param, &in)))
 301         return 0;
 302     le_copy(cmp, &in, sizeof(in));
 303     if (!TEST_mem_eq(cmp, sizeof(in), raw_values[n].value, sizeof(in)))
 304         return 0;
 305     param.data = &out;
 306     return test_param_type_extra(&param, raw_values[n].value, sizeof(uint32_t));
 307 }
 308
 309 static int test_param_int64(int n)
 310 {
 311     int64_t in, out;
 312     unsigned char buf[MAX_LEN], cmp[sizeof(int64_t)];
 313     const size_t len = raw_values[n].len >= sizeof(int64_t)
 314                        ? sizeof(int64_t) : raw_values[n].len;
 315     OSSL_PARAM param = OSSL_PARAM_int64("a", NULL);
 316
 317     memset(buf, 0, sizeof(buf));
 318     le_copy(buf, raw_values[n].value, sizeof(in));
 319     memcpy(&in, buf, sizeof(in));
 320     param.data = &out;
 321     if (!TEST_true(OSSL_PARAM_set_int64(&param, in)))
 322         return 0;
 323     le_copy(cmp, &out, sizeof(out));
 324     if (!TEST_mem_eq(cmp, len, raw_values[n].value, len))
 325         return 0;
 326     in = 0;
 327     if (!TEST_true(OSSL_PARAM_get_int64(&param, &in)))
 328         return 0;
 329     le_copy(cmp, &in, sizeof(in));
 330     if (!TEST_mem_eq(cmp, sizeof(in), raw_values[n].value, sizeof(in)))
 331         return 0;
 332     param.data = &out;
 333     return test_param_type_extra(&param, raw_values[n].value, sizeof(int64_t));
 334 }
 335
 336 static int test_param_uint64(int n)
 337 {
 338     uint64_t in, out;
 339     unsigned char buf[MAX_LEN], cmp[sizeof(uint64_t)];
 340     const size_t len = raw_values[n].len >= sizeof(uint64_t)
 341                        ? sizeof(uint64_t) : raw_values[n].len;
 342     OSSL_PARAM param = OSSL_PARAM_uint64("a", NULL);
 343
 344     memset(buf, 0, sizeof(buf));
 345     le_copy(buf, raw_values[n].value, sizeof(in));
 346     memcpy(&in, buf, sizeof(in));
 347     param.data = &out;
 348     if (!TEST_true(OSSL_PARAM_set_uint64(&param, in)))
 349         return 0;
 350     le_copy(cmp, &out, sizeof(out));
 351     if (!TEST_mem_eq(cmp, len, raw_values[n].value, len))
 352         return 0;
 353     in = 0;
 354     if (!TEST_true(OSSL_PARAM_get_uint64(&param, &in)))
 355         return 0;
 356     le_copy(cmp, &in, sizeof(in));
 357     if (!TEST_mem_eq(cmp, sizeof(in), raw_values[n].value, sizeof(in)))
 358         return 0;
 359     param.data = &out;
 360     return test_param_type_extra(&param, raw_values[n].value, sizeof(uint64_t));
 361 }
 362
 363 static int test_param_size_t(int n)
 364 {
 365     size_t in, out;
 366     unsigned char buf[MAX_LEN], cmp[sizeof(size_t)];
 367     const size_t len = raw_values[n].len >= sizeof(size_t)
 368                        ? sizeof(size_t) : raw_values[n].len;
 369     OSSL_PARAM param = OSSL_PARAM_size_t("a", NULL);
 370
 371     memset(buf, 0, sizeof(buf));
 372     le_copy(buf, raw_values[n].value, sizeof(in));
 373     memcpy(&in, buf, sizeof(in));
 374     param.data = &out;
 375     if (!TEST_true(OSSL_PARAM_set_size_t(&param, in)))
 376         return 0;
 377     le_copy(cmp, &out, sizeof(out));
 378     if (!TEST_mem_eq(cmp, len, raw_values[n].value, len))
 379         return 0;
 380     in = 0;
 381     if (!TEST_true(OSSL_PARAM_get_size_t(&param, &in)))
 382         return 0;
 383     le_copy(cmp, &in, sizeof(in));
 384     if (!TEST_mem_eq(cmp, sizeof(in), raw_values[n].value, sizeof(in)))
 385         return 0;
 386     param.data = &out;
 387     return test_param_type_extra(&param, raw_values[n].value, sizeof(size_t));
 388 }
 389
 390 static int test_param_time_t(int n)
 391 {
 392     time_t in, out;
 393     unsigned char buf[MAX_LEN], cmp[sizeof(size_t)];
 394     const size_t len = raw_values[n].len >= sizeof(size_t)
 395                        ? sizeof(time_t) : raw_values[n].len;
 396     OSSL_PARAM param = OSSL_PARAM_time_t("a", NULL);
 397
 398     memset(buf, 0, sizeof(buf));
 399     le_copy(buf, raw_values[n].value, sizeof(in));
 400     memcpy(&in, buf, sizeof(in));
 401     param.data = &out;
 402     if (!TEST_true(OSSL_PARAM_set_time_t(&param, in)))
 403         return 0;
 404     le_copy(cmp, &out, sizeof(out));
 405     if (!TEST_mem_eq(cmp, len, raw_values[n].value, len))
 406         return 0;
 407     in = 0;
 408     if (!TEST_true(OSSL_PARAM_get_time_t(&param, &in)))
 409         return 0;
 410     le_copy(cmp, &in, sizeof(in));
 411     if (!TEST_mem_eq(cmp, sizeof(in), raw_values[n].value, sizeof(in)))
 412         return 0;
 413     param.data = &out;
 414     return test_param_type_extra(&param, raw_values[n].value, sizeof(size_t));
 415 }
 416
 417 static int test_param_bignum(int n)
 418 {
 419     unsigned char buf[MAX_LEN], bnbuf[MAX_LEN];
 420     const size_t len = raw_values[n].len;
 421     BIGNUM *b = NULL, *c = NULL;
 422     OSSL_PARAM param = OSSL_PARAM_DEFN("bn", OSSL_PARAM_UNSIGNED_INTEGER,
 423                                        NULL, 0);
 424     int ret = 0;
 425
 426     param.data = bnbuf;
 427     param.data_size = len;
 428
 429     le_copy(buf, raw_values[n].value, len);
 430     if (!TEST_ptr(b = BN_lebin2bn(raw_values[n].value, (int)len, NULL)))
 431         goto err;
 432
 433     if (!TEST_true(OSSL_PARAM_set_BN(&param, b))
 434         || !TEST_mem_eq(bnbuf, param.return_size, buf, param.return_size))
 435         goto err;
 436     param.data_size = param.return_size;
 437     if (!TEST_true(OSSL_PARAM_get_BN(&param, &c))
 438         || !TEST_BN_eq(b, c))
 439         goto err;
 440
 441     ret = 1;
 442 err:
 443     BN_free(b);
 444     BN_free(c);
 445     return ret;
 446 }
 447
 448 static int test_param_real(void)
 449 {
 450     double p;
 451     OSSL_PARAM param = OSSL_PARAM_double("r", NULL);
 452
 453     param.data = &p;
 454     return TEST_true(OSSL_PARAM_set_double(&param, 3.14159))
 455            && TEST_double_eq(p, 3.14159);
 456 }
 457
 458 static int test_param_construct(void)
 459 {
 460     static const char *int_names[] = {
 461         "int", "long", "int32", "int64"
 462     };
 463     static const char *uint_names[] = {
 464         "uint", "ulong", "uint32", "uint64", "size_t"
 465     };
 466     static const unsigned char bn_val[16] = {
 467         0xac, 0x75, 0x22, 0x7d, 0x81, 0x06, 0x7a, 0x23,
 468         0xa6, 0xed, 0x87, 0xc7, 0xab, 0xf4, 0x73, 0x22
 469     };
 470     OSSL_PARAM params[20];
 471     char buf[100], buf2[100], *bufp, *bufp2;
 472     unsigned char ubuf[100];
 473     void *vp, *vpn = NULL, *vp2;
 474     OSSL_PARAM *cp;
 475     int i, n = 0, ret = 0;
 476     unsigned int u;
 477     long int l;
 478     unsigned long int ul;
 479     int32_t i32;
 480     uint32_t u32;
 481     int64_t i64;
 482     uint64_t u64;
 483     size_t j, k, s;
 484     double d, d2;
 485     BIGNUM *bn = NULL, *bn2 = NULL;
 486
 487     params[n++] = OSSL_PARAM_construct_int("int", &i);
 488     params[n++] = OSSL_PARAM_construct_uint("uint", &u);
 489     params[n++] = OSSL_PARAM_construct_long("long", &l);
 490     params[n++] = OSSL_PARAM_construct_ulong("ulong", &ul);
 491     params[n++] = OSSL_PARAM_construct_int32("int32", &i32);
 492     params[n++] = OSSL_PARAM_construct_int64("int64", &i64);
 493     params[n++] = OSSL_PARAM_construct_uint32("uint32", &u32);
 494     params[n++] = OSSL_PARAM_construct_uint64("uint64", &u64);
 495     params[n++] = OSSL_PARAM_construct_size_t("size_t", &s);
 496     params[n++] = OSSL_PARAM_construct_double("double", &d);
 497     params[n++] = OSSL_PARAM_construct_BN("bignum", ubuf, sizeof(ubuf));
 498     params[n++] = OSSL_PARAM_construct_utf8_string("utf8str", buf, sizeof(buf));
 499     params[n++] = OSSL_PARAM_construct_octet_string("octstr", buf, sizeof(buf));
 500     params[n++] = OSSL_PARAM_construct_utf8_ptr("utf8ptr", &bufp, 0);
 501     params[n++] = OSSL_PARAM_construct_octet_ptr("octptr", &vp, 0);
 502     params[n] = OSSL_PARAM_construct_end();
 503
 504     /* Search failure */
 505     if (!TEST_ptr_null(OSSL_PARAM_locate(params, "fnord")))
 506         goto err;
 507
 508     /* All signed integral types */
 509     for (j = 0; j < OSSL_NELEM(int_names); j++) {
 510         if (!TEST_ptr(cp = OSSL_PARAM_locate(params, int_names[j]))
 511             || !TEST_true(OSSL_PARAM_set_int32(cp, (int32_t)(3 + j)))
 512             || !TEST_true(OSSL_PARAM_get_int64(cp, &i64))
 513             || !TEST_size_t_eq(cp->data_size, cp->return_size)
 514             || !TEST_size_t_eq((size_t)i64, 3 + j)) {
 515             TEST_note("iteration %zu var %s", j + 1, int_names[j]);
 516             goto err;
 517         }
 518     }
 519     /* All unsigned integral types */
 520     for (j = 0; j < OSSL_NELEM(uint_names); j++) {
 521         if (!TEST_ptr(cp = OSSL_PARAM_locate(params, uint_names[j]))
 522             || !TEST_true(OSSL_PARAM_set_uint32(cp, (uint32_t)(3 + j)))
 523             || !TEST_true(OSSL_PARAM_get_uint64(cp, &u64))
 524             || !TEST_size_t_eq(cp->data_size, cp->return_size)
 525             || !TEST_size_t_eq((size_t)u64, 3 + j)) {
 526             TEST_note("iteration %zu var %s", j + 1, uint_names[j]);
 527             goto err;
 528         }
 529     }
 530     /* Real */
 531     if (!TEST_ptr(cp = OSSL_PARAM_locate(params, "double"))
 532         || !TEST_true(OSSL_PARAM_set_double(cp, 3.14))
 533         || !TEST_true(OSSL_PARAM_get_double(cp, &d2))
 534         || !TEST_size_t_eq(cp->return_size, sizeof(double))
 535         || !TEST_double_eq(d, d2))
 536         goto err;
 537     /* UTF8 string */
 538     bufp = NULL;
 539     if (!TEST_ptr(cp = OSSL_PARAM_locate(params, "utf8str"))
 540         || !TEST_true(OSSL_PARAM_set_utf8_string(cp, "abcdef"))
 541         || !TEST_size_t_eq(cp->return_size, sizeof("abcdef") - 1)
 542         || !TEST_true(OSSL_PARAM_get_utf8_string(cp, &bufp, 0))
 543         || !TEST_str_eq(bufp, "abcdef"))
 544         goto err;
 545     OPENSSL_free(bufp);
 546     bufp = buf2;
 547     if (!TEST_true(OSSL_PARAM_get_utf8_string(cp, &bufp, sizeof(buf2)))
 548         || !TEST_str_eq(buf2, "abcdef"))
 549         goto err;
 550     /* UTF8 pointer */
 551     /* Note that the size of a UTF8 string does *NOT* include the NUL byte */
 552     bufp = buf;
 553     if (!TEST_ptr(cp = OSSL_PARAM_locate(params, "utf8ptr"))
 554         || !TEST_true(OSSL_PARAM_set_utf8_ptr(cp, "tuvwxyz"))
 555         || !TEST_size_t_eq(cp->return_size, sizeof("tuvwxyz") - 1)
 556         || !TEST_str_eq(bufp, "tuvwxyz")
 557         || !TEST_true(OSSL_PARAM_get_utf8_ptr(cp, (const char **)&bufp2))
 558         || !TEST_ptr_eq(bufp2, bufp))
 559         goto err;
 560     /* OCTET string */
 561     if (!TEST_ptr(cp = OSSL_PARAM_locate(params, "octstr"))
 562         || !TEST_true(OSSL_PARAM_set_octet_string(cp, "abcdefghi",
 563                                                   sizeof("abcdefghi")))
 564         || !TEST_size_t_eq(cp->return_size, sizeof("abcdefghi")))
 565         goto err;
 566     /* Match the return size to avoid trailing garbage bytes */
 567     cp->data_size = cp->return_size;
 568     if (!TEST_true(OSSL_PARAM_get_octet_string(cp, &vpn, 0, &s))
 569         || !TEST_size_t_eq(s, sizeof("abcdefghi"))
 570         || !TEST_mem_eq(vpn, sizeof("abcdefghi"),
 571                         "abcdefghi", sizeof("abcdefghi")))
 572         goto err;
 573     vp = buf2;
 574     if (!TEST_true(OSSL_PARAM_get_octet_string(cp, &vp, sizeof(buf2), &s))
 575         || !TEST_size_t_eq(s, sizeof("abcdefghi"))
 576         || !TEST_mem_eq(vp, sizeof("abcdefghi"),
 577                         "abcdefghi", sizeof("abcdefghi")))
 578         goto err;
 579     /* OCTET pointer */
 580     vp = &l;
 581     if (!TEST_ptr(cp = OSSL_PARAM_locate(params, "octptr"))
 582         || !TEST_true(OSSL_PARAM_set_octet_ptr(cp, &ul, sizeof(ul)))
 583         || !TEST_size_t_eq(cp->return_size, sizeof(ul))
 584         || !TEST_ptr_eq(vp, &ul))
 585         goto err;
 586     /* Match the return size to avoid trailing garbage bytes */
 587     cp->data_size = cp->return_size;
 588     if (!TEST_true(OSSL_PARAM_get_octet_ptr(cp, (const void **)&vp2, &k))
 589         || !TEST_size_t_eq(k, sizeof(ul))
 590         || !TEST_ptr_eq(vp2, vp))
 591         goto err;
 592     /* BIGNUM */
 593     if (!TEST_ptr(cp = OSSL_PARAM_locate(params, "bignum"))
 594         || !TEST_ptr(bn = BN_lebin2bn(bn_val, (int)sizeof(bn_val), NULL))
 595         || !TEST_true(OSSL_PARAM_set_BN(cp, bn))
 596         || !TEST_size_t_eq(cp->data_size, cp->return_size))
 597         goto err;
 598     /* Match the return size to avoid trailing garbage bytes */
 599     cp->data_size = cp->return_size;
 600     if(!TEST_true(OSSL_PARAM_get_BN(cp, &bn2))
 601         || !TEST_BN_eq(bn, bn2))
 602         goto err;
 603     ret = 1;
 604 err:
 605     OPENSSL_free(vpn);
 606     BN_free(bn);
 607     BN_free(bn2);
 608     return ret;
 609 }
 610
 611 static int test_param_modified(void)
 612 {
 613     OSSL_PARAM param[3] = { OSSL_PARAM_int("a", NULL),
 614                             OSSL_PARAM_int("b", NULL),
 615                             OSSL_PARAM_END };
 616     int a, b;
 617
 618     param->data = &a;
 619     param[1].data = &b;
 620     if (!TEST_false(OSSL_PARAM_modified(param))
 621             && !TEST_true(OSSL_PARAM_set_int32(param, 1234))
 622             && !TEST_true(OSSL_PARAM_modified(param))
 623             && !TEST_false(OSSL_PARAM_modified(param + 1))
 624             && !TEST_true(OSSL_PARAM_set_int32(param + 1, 1))
 625             && !TEST_true(OSSL_PARAM_modified(param + 1)))
 626         return 0;
 627     OSSL_PARAM_set_all_unmodified(param);
 628     if (!TEST_false(OSSL_PARAM_modified(param))
 629             && !TEST_true(OSSL_PARAM_set_int32(param, 4321))
 630             && !TEST_true(OSSL_PARAM_modified(param))
 631             && !TEST_false(OSSL_PARAM_modified(param + 1))
 632             && !TEST_true(OSSL_PARAM_set_int32(param + 1, 2))
 633             && !TEST_true(OSSL_PARAM_modified(param + 1)))
 634         return 0;
 635     return 1;
 636 }
 637
 638 int setup_tests(void)
 639 {
 640     ADD_ALL_TESTS(test_param_int, OSSL_NELEM(raw_values));
 641     ADD_ALL_TESTS(test_param_long, OSSL_NELEM(raw_values));
 642     ADD_ALL_TESTS(test_param_uint, OSSL_NELEM(raw_values));
 643     ADD_ALL_TESTS(test_param_ulong, OSSL_NELEM(raw_values));
 644     ADD_ALL_TESTS(test_param_int32, OSSL_NELEM(raw_values));
 645     ADD_ALL_TESTS(test_param_uint32, OSSL_NELEM(raw_values));
 646     ADD_ALL_TESTS(test_param_size_t, OSSL_NELEM(raw_values));
 647     ADD_ALL_TESTS(test_param_time_t, OSSL_NELEM(raw_values));
 648     ADD_ALL_TESTS(test_param_int64, OSSL_NELEM(raw_values));
 649     ADD_ALL_TESTS(test_param_uint64, OSSL_NELEM(raw_values));
 650     ADD_ALL_TESTS(test_param_bignum, OSSL_NELEM(raw_values));
 651     ADD_TEST(test_param_real);
 652     ADD_TEST(test_param_construct);
 653     ADD_TEST(test_param_modified);
 654     return 1;
 655 }