credresource.c 102 KB
Newer Older
Sachin Agrawal's avatar
Sachin Agrawal committed
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
//******************************************************************
//
// Copyright 2015 Intel Mobile Communications GmbH All Rights Reserved.
//
//-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//      http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
//-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=

21
#define __STDC_LIMIT_MACROS
Sahil Bansal's avatar
Sahil Bansal committed
22

23
#include "iotivity_config.h"
Sahil Bansal's avatar
Sahil Bansal committed
24
#include <stdlib.h>
25
#ifdef HAVE_STRING_H
Sahil Bansal's avatar
Sahil Bansal committed
26
#include <string.h>
27 28
#endif
#ifdef HAVE_STRINGS_H
Sahil Bansal's avatar
Sahil Bansal committed
29 30 31
#include <strings.h>
#endif
#include <stdint.h>
Andrii Shtompel's avatar
Andrii Shtompel committed
32
#include <stdbool.h>
George Nash's avatar
George Nash committed
33
#include <inttypes.h>
Sahil Bansal's avatar
Sahil Bansal committed
34 35 36

#include "cainterface.h"
#include "payload_logging.h"
Sachin Agrawal's avatar
Sachin Agrawal committed
37
#include "ocstack.h"
Sahil Bansal's avatar
Sahil Bansal committed
38 39 40
#include "ocrandom.h"
#include "base64.h"
#include "ocserverrequest.h"
Sachin Agrawal's avatar
Sachin Agrawal committed
41
#include "oic_malloc.h"
42
#include "oic_string.h"
Sahil Bansal's avatar
Sahil Bansal committed
43
#include "ocpayload.h"
44
#include "ocpayloadcbor.h"
Sachin Agrawal's avatar
Sachin Agrawal committed
45 46 47
#include "utlist.h"
#include "credresource.h"
#include "doxmresource.h"
Sahil Bansal's avatar
Sahil Bansal committed
48
#include "pstatresource.h"
leechul's avatar
leechul committed
49
#include "iotvticalendar.h"
Sahil Bansal's avatar
Sahil Bansal committed
50 51 52 53 54 55
#include "pbkdf2.h"
#include "resourcemanager.h"
#include "srmresourcestrings.h"
#include "srmutility.h"
#include "psinterface.h"
#include "pinoxmcommon.h"
56

Andrii Shtompel's avatar
Andrii Shtompel committed
57 58 59 60 61 62 63
#ifdef __unix__
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <unistd.h>
#endif

64
#define TAG  "OIC_SRM_CREDL"
Sahil Bansal's avatar
Sahil Bansal committed
65

66 67
#ifdef HAVE_WINDOWS_H
#include <wincrypt.h>
68
#include <intsafe.h>
69 70 71
#endif


Andrii Shtompel's avatar
Andrii Shtompel committed
72 73
/** Max credential types number used for TLS */
#define MAX_TYPE 2
Sahil Bansal's avatar
Sahil Bansal committed
74 75
/** Default cbor payload size. This value is increased in case of CborErrorOutOfMemory.
 * The value of payload size is increased until reaching belox max cbor size. */
leechul's avatar
leechul committed
76
static const uint16_t CBOR_SIZE = 2048;
77

leechul's avatar
leechul committed
78
/** CRED size - Number of mandatory items. */
Randeep's avatar
Randeep committed
79
static const uint8_t CRED_ROOT_MAP_SIZE = 4;
leechul's avatar
leechul committed
80 81
static const uint8_t CRED_MAP_SIZE = 3;

Shilpa Sodani's avatar
Shilpa Sodani committed
82

Sachin Agrawal's avatar
Sachin Agrawal committed
83 84 85
static OicSecCred_t        *gCred = NULL;
static OCResourceHandle    gCredHandle = NULL;

86 87 88 89 90 91
typedef enum CredCompareResult{
    CRED_CMP_EQUAL = 0,
    CRED_CMP_NOT_EQUAL = 1,
    CRED_CMP_ERROR = 2
}CredCompareResult_t;

92 93 94 95 96 97 98 99 100 101 102
static bool ValueWithinBounds(uint64_t value, uint64_t maxValue)
{
    if (value > maxValue)
    {
        OIC_LOG_V(ERROR, TAG, "The value (%ull) is greater than allowed maximum of %ull.", value, maxValue);
        return false;
    }

    return true;
}

103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137
/**
 * Internal function to check a subject of SIGNED_ASYMMETRIC_KEY(Certificate).
 * If that subject is NULL or wildcard, set it to own deviceID.
 * @param cred credential on SVR DB file
 * @param deviceID own deviceuuid of doxm resource
 *
 * @return
 *     true successfully done
 *     false Invalid cred
 */

static bool CheckSubjectOfCertificate(OicSecCred_t* cred, OicUuid_t deviceID)
{
    OicUuid_t emptyUuid = {.id={0}};
    OIC_LOG(DEBUG, TAG, "IN CheckSubjectOfCertificate");
    VERIFY_NOT_NULL(TAG, cred, ERROR);

#if defined(__WITH_DTLS__) || defined(__WITH_TLS__)
    if ( SIGNED_ASYMMETRIC_KEY == cred->credType)
    {
        if((0 == memcmp(cred->subject.id, emptyUuid.id, sizeof(cred->subject.id))) ||
            (0 == memcmp(cred->subject.id, &WILDCARD_SUBJECT_ID, sizeof(cred->subject.id))))
        {
            memcpy(cred->subject.id, deviceID.id, sizeof(deviceID.id));
        }
    }
#endif

    OIC_LOG(DEBUG, TAG, "OUT CheckSubjectOfCertificate");
    return true;
exit:
    OIC_LOG(ERROR, TAG, "OUT CheckSubjectOfCertificate");
    return false;
}

138 139 140
/**
 * Internal function to check credential
 */
141
static bool IsValidCredential(const OicSecCred_t* cred)
142 143 144 145
{
    OicUuid_t emptyUuid = {.id={0}};


146
    OIC_LOG(DEBUG, TAG, "IN IsValidCredential");
147

148
    VERIFY_NOT_NULL(TAG, cred, ERROR);
149 150 151 152 153 154 155 156 157 158 159 160
    VERIFY_SUCCESS(TAG, 0 != cred->credId, ERROR);
    OIC_LOG_V(DEBUG, TAG, "Cred ID = %d", cred->credId);

#if defined(__WITH_DTLS__) || defined(__WITH_TLS__)
    OIC_LOG_V(DEBUG, TAG, "Cred Type = %d", cred->credType);

    switch(cred->credType)
    {
        case SYMMETRIC_PAIR_WISE_KEY:
        case SYMMETRIC_GROUP_KEY:
        case PIN_PASSWORD:
        {
161
            VERIFY_NOT_NULL(TAG, cred->privateData.data, ERROR);
162 163 164 165 166 167 168 169 170
            VERIFY_SUCCESS(TAG, 0 != cred->privateData.len, ERROR);
            VERIFY_SUCCESS(TAG, \
                           (OIC_ENCODING_RAW == cred->privateData.encoding || \
                           OIC_ENCODING_BASE64 == cred->privateData.encoding), \
                           ERROR);
            break;
        }
        case ASYMMETRIC_KEY:
        {
171
            VERIFY_NOT_NULL(TAG, cred->publicData.data, ERROR);
172
            VERIFY_SUCCESS(TAG, 0 != cred->publicData.len, ERROR);
173 174 175 176
            VERIFY_SUCCESS(TAG, \
                           (OIC_ENCODING_UNKNOW < cred->publicData.encoding && \
                            OIC_ENCODING_DER >= cred->publicData.encoding),
                           ERROR);
177 178 179 180 181 182 183 184 185 186
            break;
        }
        case SIGNED_ASYMMETRIC_KEY:
        {
            VERIFY_SUCCESS(TAG, (NULL != cred->publicData.data ||NULL != cred->optionalData.data) , ERROR);
            VERIFY_SUCCESS(TAG, (0 != cred->publicData.len || 0 != cred->optionalData.len), ERROR);

            if(NULL != cred->optionalData.data)
            {
                VERIFY_SUCCESS(TAG, \
187 188
                               (OIC_ENCODING_UNKNOW < cred->optionalData.encoding && \
                                OIC_ENCODING_DER >= cred->optionalData.encoding),
189 190 191 192 193 194
                               ERROR);
            }
            break;
        }
        case ASYMMETRIC_ENCRYPTION_KEY:
        {
195
            VERIFY_NOT_NULL(TAG, cred->privateData.data, ERROR);
196 197
            VERIFY_SUCCESS(TAG, 0 != cred->privateData.len, ERROR);
            VERIFY_SUCCESS(TAG, \
198 199
                           (OIC_ENCODING_UNKNOW < cred->privateData.encoding && \
                            OIC_ENCODING_DER >= cred->privateData.encoding),
200 201 202 203 204 205 206 207 208 209 210 211 212
                           ERROR);
            break;
        }
        default:
        {
            OIC_LOG(WARNING, TAG, "Unknown credential type");
            return false;
        }
    }
#endif

    VERIFY_SUCCESS(TAG, 0 != memcmp(emptyUuid.id, cred->subject.id, sizeof(cred->subject.id)), ERROR);

213
    OIC_LOG(DEBUG, TAG, "OUT IsValidCredential");
214 215
    return true;
exit:
216
    OIC_LOG(WARNING, TAG, "OUT IsValidCredential : Invalid Credential detected.");
217 218 219
    return false;
}

220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237
static bool IsEmptyCred(const OicSecCred_t* cred)
{
    OicUuid_t emptyUuid = {.id={0}};

    VERIFY_SUCCESS(TAG, (0 == memcmp(cred->subject.id, emptyUuid.id, sizeof(emptyUuid))), ERROR);
    VERIFY_SUCCESS(TAG, (0 == cred->credId), ERROR);
    VERIFY_SUCCESS(TAG, (0 == cred->credType), ERROR);
#if defined(__WITH_DTLS__) || defined(__WITH_TLS__)
    VERIFY_SUCCESS(TAG, (NULL == cred->privateData.data), ERROR);
    VERIFY_SUCCESS(TAG, (NULL == cred->publicData.data), ERROR);
    VERIFY_SUCCESS(TAG, (NULL == cred->optionalData.data), ERROR);
    VERIFY_SUCCESS(TAG, (NULL == cred->credUsage), ERROR);
#endif
    return true;
exit:
    return false;
}

238 239 240 241
/**
 * This function frees OicSecCred_t object's fields and object itself.
 */
static void FreeCred(OicSecCred_t *cred)
Sachin Agrawal's avatar
Sachin Agrawal committed
242
{
243
    if(NULL == cred)
Sachin Agrawal's avatar
Sachin Agrawal committed
244
    {
Sahil Bansal's avatar
Sahil Bansal committed
245
        OIC_LOG(ERROR, TAG, "Invalid Parameter");
246 247 248
        return;
    }
    //Note: Need further clarification on roleID data type
Sachin Agrawal's avatar
Sachin Agrawal committed
249
#if 0
250 251
    //Clean roleIds
    OICFree(cred->roleIds);
Sachin Agrawal's avatar
Sachin Agrawal committed
252 253
#endif

254
    //Clean PublicData/OptionalData/Credusage
255
#if defined(__WITH_DTLS__) || defined(__WITH_TLS__)
256
     // TODO: Need to check credUsage.
257
    OICFree(cred->publicData.data);
258 259 260
    OICFree(cred->optionalData.data);
    OICFree(cred->credUsage);

261
#endif /* __WITH_DTLS__ ||  __WITH_TLS__*/
Sachin Agrawal's avatar
Sachin Agrawal committed
262

263
    //Clean PrivateData
264
    OICClearMemory(cred->privateData.data, cred->privateData.len);
265
    OICFree(cred->privateData.data);
Sachin Agrawal's avatar
Sachin Agrawal committed
266

267 268
    //Clean Period
    OICFree(cred->period);
Sachin Agrawal's avatar
Sachin Agrawal committed
269

saurabh.s9's avatar
saurabh.s9 committed
270
#ifdef MULTIPLE_OWNER
271 272 273 274
    //Clean eowner
    OICFree(cred->eownerID);
#endif

275 276 277
    //Clean Cred node itself
    OICFree(cred);
}
Sachin Agrawal's avatar
Sachin Agrawal committed
278

279 280 281 282 283 284 285 286 287
void DeleteCredList(OicSecCred_t* cred)
{
    if (cred)
    {
        OicSecCred_t *credTmp1 = NULL, *credTmp2 = NULL;
        LL_FOREACH_SAFE(cred, credTmp1, credTmp2)
        {
            LL_DELETE(cred, credTmp1);
            FreeCred(credTmp1);
Sachin Agrawal's avatar
Sachin Agrawal committed
288 289 290 291
        }
    }
}

Andrii Shtompel's avatar
Andrii Shtompel committed
292 293 294 295 296 297 298 299 300 301 302 303
size_t GetCredKeyDataSize(const OicSecCred_t* cred)
{
    size_t size = 0;
    if (cred)
    {
        OicSecCred_t *credPtr = NULL, *credTmp = NULL;
        LL_FOREACH_SAFE((OicSecCred_t*)cred, credPtr, credTmp)
        {
            if (credPtr->privateData.data && 0 < credPtr->privateData.len)
            {
                size += credPtr->privateData.len;
            }
304
#if defined(__WITH_DTLS__) || defined(__WITH_TLS__)
Andrii Shtompel's avatar
Andrii Shtompel committed
305 306 307 308 309 310 311 312 313 314 315
            if (credPtr->publicData.data && 0 < credPtr->publicData.len)
            {
                size += credPtr->publicData.len;
            }
            if (credPtr->optionalData.data && 0 < credPtr->optionalData.len)
            {
                size += credPtr->optionalData.len;
            }
#endif
        }
    }
316
    OIC_LOG_V(DEBUG, TAG, "Cred Key Data Size : %zd\n", size);
Andrii Shtompel's avatar
Andrii Shtompel committed
317 318 319
    return size;
}

Sahil Bansal's avatar
Sahil Bansal committed
320
static size_t OicSecCredCount(const OicSecCred_t *secCred)
Sachin Agrawal's avatar
Sachin Agrawal committed
321
{
Sahil Bansal's avatar
Sahil Bansal committed
322 323
    size_t size = 0;
    for (const OicSecCred_t *cred = secCred; cred; cred = cred->next)
Sachin Agrawal's avatar
Sachin Agrawal committed
324
    {
Sahil Bansal's avatar
Sahil Bansal committed
325 326 327 328
        size++;
    }
    return size;
}
329

330
static const char* EncodingValueToString(OicEncodingType_t encoding)
331 332 333
{
    switch (encoding)
    {
334 335 336 337 338
        case OIC_ENCODING_RAW:    return OIC_SEC_ENCODING_RAW;
        case OIC_ENCODING_BASE64: return OIC_SEC_ENCODING_BASE64;
        case OIC_ENCODING_DER:    return OIC_SEC_ENCODING_DER;
        case OIC_ENCODING_PEM:    return OIC_SEC_ENCODING_PEM;
        default:                  return NULL;
339 340 341 342 343 344
    }
}

static CborError SerializeEncodingToCborInternal(CborEncoder *map, const OicSecKey_t *value)
{
    CborError cborEncoderResult = CborNoError;
345
    const char *encoding = EncodingValueToString(value->encoding);
346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489
    if (encoding)
    {
        cborEncoderResult = cbor_encode_text_string(map, OIC_JSON_ENCODING_NAME,
            strlen(OIC_JSON_ENCODING_NAME));
        VERIFY_CBOR_SUCCESS(TAG, cborEncoderResult, "Failed Adding Encoding Tag.");
        cborEncoderResult = cbor_encode_text_string(map, encoding,
            strlen(encoding));
        VERIFY_CBOR_SUCCESS(TAG, cborEncoderResult, "Failed Adding Encoding Value.");

        cborEncoderResult = cbor_encode_text_string(map, OIC_JSON_DATA_NAME,
            strlen(OIC_JSON_DATA_NAME));
        VERIFY_CBOR_SUCCESS(TAG, cborEncoderResult, "Failed Adding Name Tag.");
        if (OIC_ENCODING_DER == value->encoding ||
            OIC_ENCODING_RAW == value->encoding)
        {
            cborEncoderResult = cbor_encode_byte_string(map,
                    value->data, value->len);
        }
        else
        {
            cborEncoderResult = cbor_encode_text_string(map,
                    (char*)value->data, value->len);
        }
        VERIFY_CBOR_SUCCESS(TAG, cborEncoderResult, "Failed Adding Name Value.");
    }
    else
    {
        OIC_LOG(ERROR, TAG, "Unknown encoding type.");
        VERIFY_CBOR_SUCCESS(TAG, CborErrorUnknownType, "Failed Adding Encoding Value.");
    }
    exit:
    return cborEncoderResult;
}

static CborError SerializeEncodingToCbor(CborEncoder *rootMap, const char* tag, const OicSecKey_t *value)
{
    CborError cborEncoderResult = CborNoError;
    CborEncoder map;
    const size_t mapSize = 2;

    cborEncoderResult = cbor_encode_text_string(rootMap, tag, strlen(tag));
    VERIFY_CBOR_SUCCESS(TAG, cborEncoderResult, "Failed Adding PrivateData Tag.");

    cborEncoderResult = cbor_encoder_create_map(rootMap, &map, mapSize);
    VERIFY_CBOR_SUCCESS(TAG, cborEncoderResult, "Failed Adding Map");

    VERIFY_CBOR_SUCCESS(TAG, SerializeEncodingToCborInternal(&map, value),
                        "Failed adding OicSecKey_t structure");

    cborEncoderResult = cbor_encoder_close_container(rootMap, &map);
    VERIFY_CBOR_SUCCESS(TAG, cborEncoderResult, "Failed Closing Map.");

    exit:
    return cborEncoderResult;
}

static CborError SerializeSecOptToCbor(CborEncoder *rootMap, const char* tag, const OicSecOpt_t *value)
{
    CborError cborEncoderResult = CborNoError;
    CborEncoder map;
    const size_t mapSize = 3;

    cborEncoderResult = cbor_encode_text_string(rootMap, tag, strlen(tag));
    VERIFY_CBOR_SUCCESS(TAG, cborEncoderResult, "Failed Adding PrivateData Tag.");

    cborEncoderResult = cbor_encoder_create_map(rootMap, &map, mapSize);
    VERIFY_CBOR_SUCCESS(TAG, cborEncoderResult, "Failed Adding Map");

    OicSecKey_t in;
    in.data = value->data;
    in.encoding = value->encoding;
    in.len = value->len;

    VERIFY_CBOR_SUCCESS(TAG, SerializeEncodingToCborInternal(&map, &in),
                        "Failed adding OicSecKey_t structure");

    cborEncoderResult = cbor_encode_text_string(&map, OIC_JSON_REVOCATION_STATUS_NAME,
        strlen(OIC_JSON_REVOCATION_STATUS_NAME));
    VERIFY_CBOR_SUCCESS(TAG, cborEncoderResult, "Failed Adding optional revstat Tag.");
    cborEncoderResult = cbor_encode_boolean(&map, value->revstat);
    VERIFY_CBOR_SUCCESS(TAG, cborEncoderResult, "Failed Adding optional revstat Value.");

    cborEncoderResult = cbor_encoder_close_container(rootMap, &map);
    VERIFY_CBOR_SUCCESS(TAG, cborEncoderResult, "Failed Closing Map.");

    exit:
    return cborEncoderResult;
}

static CborError DeserializeEncodingFromCborInternal(CborValue *map, char *name, OicSecKey_t *value)
{
    size_t len = 0;
    CborError cborFindResult = CborNoError;

    // data -- Mandatory
    if (strcmp(name, OIC_JSON_DATA_NAME) == 0)
    {
        if(cbor_value_is_byte_string(map))
        {
            cborFindResult = cbor_value_dup_byte_string(map, &value->data,
                &value->len, NULL);
        }
        else if(cbor_value_is_text_string(map))
        {
            cborFindResult = cbor_value_dup_text_string(map, (char**)(&value->data),
                &value->len, NULL);
        }
        else
        {
            cborFindResult = CborErrorUnknownType;
            OIC_LOG(ERROR, TAG, "Unknown type for private data.");
        }
        VERIFY_CBOR_SUCCESS(TAG, cborFindResult, "Failed Finding PrivateData.");
    }

    // encoding -- Mandatory
    if (strcmp(name, OIC_JSON_ENCODING_NAME) == 0)
    {
        char* strEncoding = NULL;
        cborFindResult = cbor_value_dup_text_string(map, &strEncoding, &len, NULL);
        VERIFY_CBOR_SUCCESS(TAG, cborFindResult, "Failed Finding EncodingType");

        if(strcmp(strEncoding, OIC_SEC_ENCODING_RAW) == 0)
        {
            value->encoding = OIC_ENCODING_RAW;
        }
        else if(strcmp(strEncoding, OIC_SEC_ENCODING_BASE64) == 0)
        {
            value->encoding = OIC_ENCODING_BASE64;
        }
        else if(strcmp(strEncoding, OIC_SEC_ENCODING_DER) == 0)
        {
            value->encoding = OIC_ENCODING_DER;
        }
        else if(strcmp(strEncoding, OIC_SEC_ENCODING_PEM) == 0)
        {
            value->encoding = OIC_ENCODING_PEM;
        }
        else
        {
            //For unit test
            value->encoding = OIC_ENCODING_RAW;
            OIC_LOG(WARNING, TAG, "Unknown encoding type detected.");
        }
490 491
        //Because cbor using malloc directly, it is required to use free() instead of OICFree
        free(strEncoding);
492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523
    }
    exit:
    return cborFindResult;
}

static CborError DeserializeEncodingFromCbor(CborValue *rootMap, OicSecKey_t *value)
{
    CborValue map = { .parser = NULL };
    CborError cborFindResult = cbor_value_enter_container(rootMap, &map);
    size_t len = 0;

    while (cbor_value_is_valid(&map))
    {
        char* name = NULL;
        CborType type = cbor_value_get_type(&map);
        if (type == CborTextStringType && cbor_value_is_text_string(&map))
        {
            cborFindResult = cbor_value_dup_text_string(&map, &name, &len, NULL);
            VERIFY_CBOR_SUCCESS(TAG, cborFindResult, "Failed to get text");
            cborFindResult = cbor_value_advance(&map);
            VERIFY_CBOR_SUCCESS(TAG, cborFindResult, "Failed to advance value");
        }
        if (name)
        {
            VERIFY_CBOR_SUCCESS(TAG, DeserializeEncodingFromCborInternal(&map, name, value),
                                "Failed to read OicSecKey_t value");
        }
        if (cbor_value_is_valid(&map))
        {
            cborFindResult = cbor_value_advance(&map);
            VERIFY_CBOR_SUCCESS(TAG, cborFindResult, "Failed Advancing Map.");
        }
524 525
        //Because cbor using malloc directly, it is required to use free() instead of OICFree
        free(name);
526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569
    }
    exit:
    return cborFindResult;
}

static CborError DeserializeSecOptFromCbor(CborValue *rootMap, OicSecOpt_t *value)
{
    CborValue map = { .parser = NULL };
    CborError cborFindResult = cbor_value_enter_container(rootMap, &map);
    size_t len = 0;
    value->revstat = false;

    while (cbor_value_is_valid(&map))
    {
        char* name = NULL;
        CborType type = cbor_value_get_type(&map);
        if (type == CborTextStringType && cbor_value_is_text_string(&map))
        {
            cborFindResult = cbor_value_dup_text_string(&map, &name, &len, NULL);
            VERIFY_CBOR_SUCCESS(TAG, cborFindResult, "Failed to get text");
            cborFindResult = cbor_value_advance(&map);
            VERIFY_CBOR_SUCCESS(TAG, cborFindResult, "Failed to advance value");
        }
        if (name)
        {
            // OptionalData::revstat -- Mandatory
            if (strcmp(name, OIC_JSON_REVOCATION_STATUS_NAME) == 0)
            {
                cborFindResult = cbor_value_get_boolean(&map, &value->revstat);
                VERIFY_CBOR_SUCCESS(TAG, cborFindResult, "Failed Finding revstat Value.")
            }
            OicSecKey_t out;
            VERIFY_CBOR_SUCCESS(TAG, DeserializeEncodingFromCborInternal(&map, name, &out),
                                "Failed to read OicSecKey_t value");

            value->data = out.data;
            value->encoding = out.encoding;
            value->len = out.len;
        }
        if (cbor_value_is_valid(&map))
        {
            cborFindResult = cbor_value_advance(&map);
            VERIFY_CBOR_SUCCESS(TAG, cborFindResult, "Failed Advancing Map.");
        }
570 571
        //Because cbor using malloc directly, it is required to use free() instead of OICFree
        free(name);
572 573 574 575 576
    }
    exit:
    return cborFindResult;
}

Sahil Bansal's avatar
Sahil Bansal committed
577
OCStackResult CredToCBORPayload(const OicSecCred_t *credS, uint8_t **cborPayload,
578
                                size_t *cborSize, int secureFlag)
Sahil Bansal's avatar
Sahil Bansal committed
579 580 581 582 583
{
    if (NULL == credS || NULL == cborPayload || NULL != *cborPayload || NULL == cborSize)
    {
        return OC_STACK_INVALID_PARAM;
    }
584

Sahil Bansal's avatar
Sahil Bansal committed
585
    OCStackResult ret = OC_STACK_ERROR;
Sachin Agrawal's avatar
Sachin Agrawal committed
586

leechul's avatar
leechul committed
587 588 589
    CborError cborEncoderResult = CborNoError;
    uint8_t *outPayload = NULL;
    size_t cborLen = *cborSize;
Sahil Bansal's avatar
Sahil Bansal committed
590 591
    *cborSize = 0;
    *cborPayload = NULL;
leechul's avatar
leechul committed
592
    const OicSecCred_t *cred = credS;
593 594 595
    CborEncoder encoder;
    CborEncoder credArray;
    CborEncoder credRootMap;
Sachin Agrawal's avatar
Sachin Agrawal committed
596

leechul's avatar
leechul committed
597 598 599 600 601 602
    if (0 == cborLen)
    {
        cborLen = CBOR_SIZE;
    }

    outPayload = (uint8_t *)OICCalloc(1, cborLen);
603
    VERIFY_NOT_NULL(TAG, outPayload, ERROR);
Sahil Bansal's avatar
Sahil Bansal committed
604
    cbor_encoder_init(&encoder, outPayload, cborLen, 0);
Sachin Agrawal's avatar
Sachin Agrawal committed
605

leechul's avatar
leechul committed
606 607 608 609 610 611 612 613 614 615 616 617
    // Create CRED Root Map (creds, rownerid)
    cborEncoderResult = cbor_encoder_create_map(&encoder, &credRootMap, CRED_ROOT_MAP_SIZE);
    VERIFY_CBOR_SUCCESS(TAG, cborEncoderResult, "Failed Adding Cred Root Map");

    // creds
    cborEncoderResult = cbor_encode_text_string(&credRootMap, OIC_JSON_CREDS_NAME,
        strlen(OIC_JSON_CREDS_NAME));
    VERIFY_CBOR_SUCCESS(TAG, cborEncoderResult, "Failed Adding creds Name Tag.");

    // creds array
    cborEncoderResult = cbor_encoder_create_array(&credRootMap, &credArray, OicSecCredCount(cred));
    VERIFY_CBOR_SUCCESS(TAG, cborEncoderResult, "Failed Adding Cred Array.");
leechul's avatar
leechul committed
618

Sahil Bansal's avatar
Sahil Bansal committed
619 620
    while (cred)
    {
621
        CborEncoder credMap;
Sahil Bansal's avatar
Sahil Bansal committed
622
        size_t mapSize = CRED_MAP_SIZE;
623
        size_t inLen = 0;
Sahil Bansal's avatar
Sahil Bansal committed
624 625 626 627
        if (cred->period)
        {
            mapSize++;
        }
628

629
#if defined(__WITH_DTLS__) || defined(__WITH_TLS__)
saurabh.s9's avatar
saurabh.s9 committed
630
#ifdef MULTIPLE_OWNER
631 632 633 634
        if(cred->eownerID)
        {
            mapSize++;
        }
saurabh.s9's avatar
saurabh.s9 committed
635
#endif //MULTIPLE_OWNER
636

Dmitriy Zhuravlev's avatar
Dmitriy Zhuravlev committed
637
        if (SIGNED_ASYMMETRIC_KEY == cred->credType && cred->publicData.data)
Sahil Bansal's avatar
Sahil Bansal committed
638 639 640
        {
            mapSize++;
        }
641 642 643 644 645 646 647 648
        if (SIGNED_ASYMMETRIC_KEY == cred->credType && cred->optionalData.data)
        {
            mapSize++;
        }
        if (cred->credUsage)
        {
            mapSize++;
        }
649
#endif /* __WITH_DTLS__ ||  __WITH_TLS__*/
650
        if (!secureFlag && cred->privateData.data)
Sahil Bansal's avatar
Sahil Bansal committed
651 652 653
        {
            mapSize++;
        }
leechul's avatar
leechul committed
654
        cborEncoderResult = cbor_encoder_create_map(&credArray, &credMap, mapSize);
Sahil Bansal's avatar
Sahil Bansal committed
655 656 657
        VERIFY_CBOR_SUCCESS(TAG, cborEncoderResult, "Failed Adding Cred Map");

        //CredID -- Mandatory
leechul's avatar
leechul committed
658
        cborEncoderResult = cbor_encode_text_string(&credMap, OIC_JSON_CREDID_NAME,
Sahil Bansal's avatar
Sahil Bansal committed
659 660
            strlen(OIC_JSON_CREDID_NAME));
        VERIFY_CBOR_SUCCESS(TAG, cborEncoderResult, "Failed Adding Cred Id Tag. ");
leechul's avatar
leechul committed
661
        cborEncoderResult = cbor_encode_int(&credMap, cred->credId);
Sahil Bansal's avatar
Sahil Bansal committed
662 663 664
        VERIFY_CBOR_SUCCESS(TAG, cborEncoderResult, "Failed Adding Cred Id Value.");

        //Subject -- Mandatory
leechul's avatar
leechul committed
665 666
        cborEncoderResult = cbor_encode_text_string(&credMap, OIC_JSON_SUBJECTID_NAME,
            strlen(OIC_JSON_SUBJECTID_NAME));
Sahil Bansal's avatar
Sahil Bansal committed
667
        VERIFY_CBOR_SUCCESS(TAG, cborEncoderResult, "Failed Adding Subject Tag.");
668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684
        inLen = (memcmp(&(cred->subject), &WILDCARD_SUBJECT_ID, WILDCARD_SUBJECT_ID_LEN) == 0) ?
            WILDCARD_SUBJECT_ID_LEN : sizeof(OicUuid_t);
        if(inLen == WILDCARD_SUBJECT_ID_LEN)
        {
            cborEncoderResult = cbor_encode_text_string(&credMap, WILDCARD_RESOURCE_URI,
                strlen(WILDCARD_RESOURCE_URI));
            VERIFY_CBOR_SUCCESS(TAG, cborEncoderResult, "Failed Addding Subject Id wildcard Value.");
        }
        else
        {
            char *subject = NULL;
            ret = ConvertUuidToStr(&cred->subject, &subject);
            VERIFY_SUCCESS(TAG, ret == OC_STACK_OK, ERROR);
            cborEncoderResult = cbor_encode_text_string(&credMap, subject, strlen(subject));
            VERIFY_CBOR_SUCCESS(TAG, cborEncoderResult, "Failed Addding Subject Id Value.");
            OICFree(subject);
        }
Sahil Bansal's avatar
Sahil Bansal committed
685 686

        //CredType -- Mandatory
leechul's avatar
leechul committed
687
        cborEncoderResult = cbor_encode_text_string(&credMap, OIC_JSON_CREDTYPE_NAME,
Sahil Bansal's avatar
Sahil Bansal committed
688 689
            strlen(OIC_JSON_CREDTYPE_NAME));
        VERIFY_CBOR_SUCCESS(TAG, cborEncoderResult, "Failed Adding Cred Type Tag.");
leechul's avatar
leechul committed
690
        cborEncoderResult = cbor_encode_int(&credMap, cred->credType);
Sahil Bansal's avatar
Sahil Bansal committed
691
        VERIFY_CBOR_SUCCESS(TAG, cborEncoderResult, "Failed Adding Cred Type Value.");
Sachin Agrawal's avatar
Sachin Agrawal committed
692

693
#if defined(__WITH_DTLS__) || defined(__WITH_TLS__)
Sahil Bansal's avatar
Sahil Bansal committed
694
        //PublicData -- Not Mandatory
Dmitriy Zhuravlev's avatar
Dmitriy Zhuravlev committed
695
        if (SIGNED_ASYMMETRIC_KEY == cred->credType && cred->publicData.data)
Sahil Bansal's avatar
Sahil Bansal committed
696
        {
697 698
            cborEncoderResult = SerializeEncodingToCbor(&credMap,
                                         OIC_JSON_PUBLICDATA_NAME, &cred->publicData);
leechul's avatar
leechul committed
699
            VERIFY_CBOR_SUCCESS(TAG, cborEncoderResult, "Failed Adding PublicData Tag.");
Sahil Bansal's avatar
Sahil Bansal committed
700
        }
701 702 703
        //OptionalData -- Not Mandatory
        if (SIGNED_ASYMMETRIC_KEY == cred->credType && cred->optionalData.data)
        {
704 705
            cborEncoderResult = SerializeSecOptToCbor(&credMap,
                                         OIC_JSON_OPTDATA_NAME, &cred->optionalData);
706 707 708 709 710 711 712 713 714 715 716 717
            VERIFY_CBOR_SUCCESS(TAG, cborEncoderResult, "Failed Adding OptionalData Tag.");
        }
        //CredUsage -- Not Mandatory
        if(cred->credUsage)
        {
            cborEncoderResult = cbor_encode_text_string(&credMap, OIC_JSON_CREDUSAGE_NAME,
                strlen(OIC_JSON_CREDUSAGE_NAME));
            VERIFY_CBOR_SUCCESS(TAG, cborEncoderResult, "Failed Adding Credusage Name Tag.");
            cborEncoderResult = cbor_encode_text_string(&credMap, cred->credUsage,
                strlen(cred->credUsage));
            VERIFY_CBOR_SUCCESS(TAG, cborEncoderResult, "Failed Adding Credusage Name Value.");
        }
718
#endif /* __WITH_DTLS__ ||  __WITH_TLS__*/
Sahil Bansal's avatar
Sahil Bansal committed
719
        //PrivateData -- Not Mandatory
720
        if(!secureFlag && cred->privateData.data)
Sahil Bansal's avatar
Sahil Bansal committed
721
        {
722 723
            cborEncoderResult = SerializeEncodingToCbor(&credMap,
                                         OIC_JSON_PRIVATEDATA_NAME, &cred->privateData);
leechul's avatar
leechul committed
724
            VERIFY_CBOR_SUCCESS(TAG, cborEncoderResult, "Failed Adding PrivateData Tag.");
Sahil Bansal's avatar
Sahil Bansal committed
725
        }
Sachin Agrawal's avatar
Sachin Agrawal committed
726

Sahil Bansal's avatar
Sahil Bansal committed
727 728 729
        //Period -- Not Mandatory
        if(cred->period)
        {
leechul's avatar
leechul committed
730
            cborEncoderResult = cbor_encode_text_string(&credMap, OIC_JSON_PERIOD_NAME,
Sahil Bansal's avatar
Sahil Bansal committed
731 732
                strlen(OIC_JSON_PERIOD_NAME));
            VERIFY_CBOR_SUCCESS(TAG, cborEncoderResult, "Failed Adding Period Name Tag.");
leechul's avatar
leechul committed
733
            cborEncoderResult = cbor_encode_text_string(&credMap, cred->period,
Sahil Bansal's avatar
Sahil Bansal committed
734 735 736
                strlen(cred->period));
            VERIFY_CBOR_SUCCESS(TAG, cborEncoderResult, "Failed Adding Period Name Value.");
        }
Sachin Agrawal's avatar
Sachin Agrawal committed
737

saurabh.s9's avatar
saurabh.s9 committed
738
#ifdef MULTIPLE_OWNER
739 740 741 742 743 744 745 746 747 748 749 750 751
        // Eownerid -- Not Mandatory
        if(cred->eownerID)
        {
            char *eowner = NULL;
            cborEncoderResult = cbor_encode_text_string(&credMap, OIC_JSON_EOWNERID_NAME,
                strlen(OIC_JSON_EOWNERID_NAME));
            VERIFY_CBOR_SUCCESS(TAG, cborEncoderResult, "Failed Adding eownerId Name Tag.");
            ret = ConvertUuidToStr(cred->eownerID, &eowner);
            VERIFY_SUCCESS(TAG, ret == OC_STACK_OK, ERROR);
            cborEncoderResult = cbor_encode_text_string(&credMap, eowner, strlen(eowner));
            VERIFY_CBOR_SUCCESS(TAG, cborEncoderResult, "Failed Addding eownerId Value.");
            OICFree(eowner);
        }
saurabh.s9's avatar
saurabh.s9 committed
752
#endif //MULTIPLE_OWNER
leechul's avatar
leechul committed
753 754

        cborEncoderResult = cbor_encoder_close_container(&credArray, &credMap);
Sahil Bansal's avatar
Sahil Bansal committed
755
        VERIFY_CBOR_SUCCESS(TAG, cborEncoderResult, "Failed Closing Cred Map.");
756

Sahil Bansal's avatar
Sahil Bansal committed
757
        cred = cred->next;
leechul's avatar
leechul committed
758 759 760 761 762
    }
    cborEncoderResult = cbor_encoder_close_container(&credRootMap, &credArray);
    VERIFY_CBOR_SUCCESS(TAG, cborEncoderResult, "Failed Closing Cred Array.");

    cred = credS;
763

leechul's avatar
leechul committed
764 765 766 767 768 769
    // Rownerid
    {
        char *rowner = NULL;
        cborEncoderResult = cbor_encode_text_string(&credRootMap, OIC_JSON_ROWNERID_NAME,
            strlen(OIC_JSON_ROWNERID_NAME));
        VERIFY_CBOR_SUCCESS(TAG, cborEncoderResult, "Failed Adding rownerid Name.");
770
        ret = ConvertUuidToStr(&cred->rownerID, &rowner);
leechul's avatar
leechul committed
771 772 773 774 775 776
        VERIFY_SUCCESS(TAG, ret == OC_STACK_OK, ERROR);
        cborEncoderResult = cbor_encode_text_string(&credRootMap, rowner, strlen(rowner));
        VERIFY_CBOR_SUCCESS(TAG, cborEncoderResult, "Failed Addding rownerid Value.");
        OICFree(rowner);
    }

Randeep's avatar
Randeep committed
777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809
    //RT -- Mandatory
    CborEncoder rtArray;
    cborEncoderResult = cbor_encode_text_string(&credRootMap, OIC_JSON_RT_NAME,
            strlen(OIC_JSON_RT_NAME));
    VERIFY_CBOR_SUCCESS(TAG, cborEncoderResult, "Failed Addding RT Name Tag.");
    cborEncoderResult = cbor_encoder_create_array(&credRootMap, &rtArray, 1);
    VERIFY_CBOR_SUCCESS(TAG, cborEncoderResult, "Failed Addding RT Value.");
    for (size_t i = 0; i < 1; i++)
    {
        cborEncoderResult = cbor_encode_text_string(&rtArray, OIC_RSRC_TYPE_SEC_CRED,
                strlen(OIC_RSRC_TYPE_SEC_CRED));
        VERIFY_CBOR_SUCCESS(TAG, cborEncoderResult, "Failed Adding RT Value.");
    }
    cborEncoderResult = cbor_encoder_close_container(&credRootMap, &rtArray);
    VERIFY_CBOR_SUCCESS(TAG, cborEncoderResult, "Failed Closing RT.");

    //IF-- Mandatory
    CborEncoder ifArray;
    cborEncoderResult = cbor_encode_text_string(&credRootMap, OIC_JSON_IF_NAME,
             strlen(OIC_JSON_IF_NAME));
    VERIFY_CBOR_SUCCESS(TAG, cborEncoderResult, "Failed Addding IF Name Tag.");
    cborEncoderResult = cbor_encoder_create_array(&credRootMap, &ifArray, 1);
    VERIFY_CBOR_SUCCESS(TAG, cborEncoderResult, "Failed Addding IF Value.");
    for (size_t i = 0; i < 1; i++)
    {
        cborEncoderResult = cbor_encode_text_string(&ifArray, OC_RSRVD_INTERFACE_DEFAULT,
                strlen(OC_RSRVD_INTERFACE_DEFAULT));
        VERIFY_CBOR_SUCCESS(TAG, cborEncoderResult, "Failed Adding IF Value.");
    }
    cborEncoderResult = cbor_encoder_close_container(&credRootMap, &ifArray);
    VERIFY_CBOR_SUCCESS(TAG, cborEncoderResult, "Failed Closing IF.");


leechul's avatar
leechul committed
810 811 812 813 814 815 816 817
    // Close CRED Root Map
    cborEncoderResult = cbor_encoder_close_container(&encoder, &credRootMap);
    VERIFY_CBOR_SUCCESS(TAG, cborEncoderResult, "Failed Closing CRED Root Map.");

    if (CborNoError == cborEncoderResult)
    {
        OIC_LOG(DEBUG, TAG, "CredToCBORPayload Successed");
        *cborPayload = outPayload;
818
        *cborSize = cbor_encoder_get_buffer_size(&encoder, outPayload);
Sahil Bansal's avatar
Sahil Bansal committed
819 820 821
        ret = OC_STACK_OK;
    }
    OIC_LOG(DEBUG, TAG, "CredToCBORPayload OUT");
Sachin Agrawal's avatar
Sachin Agrawal committed
822
exit:
leechul's avatar
leechul committed
823
    if (CborErrorOutOfMemory == cborEncoderResult)
824
    {
leechul's avatar
leechul committed
825 826 827 828
        OIC_LOG(DEBUG, TAG, "CredToCBORPayload:CborErrorOutOfMemory : retry with more memory");
        // reallocate and try again!
        OICFree(outPayload);
        // Since the allocated initial memory failed, double the memory.
829
        cborLen += cbor_encoder_get_buffer_size(&encoder, encoder.end);
leechul's avatar
leechul committed
830
        cborEncoderResult = CborNoError;
831
        ret = CredToCBORPayload(credS, cborPayload, &cborLen, secureFlag);
leechul's avatar
leechul committed
832
        *cborSize = cborLen;
833
    }
Sahil Bansal's avatar
Sahil Bansal committed
834 835 836

    if (CborNoError != cborEncoderResult)
    {
leechul's avatar
leechul committed
837 838 839 840 841 842
        OIC_LOG(ERROR, TAG, "Failed to CredToCBORPayload");
        OICFree(outPayload);
        outPayload = NULL;
        *cborSize = 0;
        *cborPayload = NULL;
        ret = OC_STACK_ERROR;
Sahil Bansal's avatar
Sahil Bansal committed
843 844 845
    }

    return ret;
Sachin Agrawal's avatar
Sachin Agrawal committed
846 847
}

Sahil Bansal's avatar
Sahil Bansal committed
848 849
OCStackResult CBORPayloadToCred(const uint8_t *cborPayload, size_t size,
                                OicSecCred_t **secCred)
Sachin Agrawal's avatar
Sachin Agrawal committed
850
{
Ashwini Kumar's avatar
Ashwini Kumar committed
851
    if (NULL == cborPayload || NULL == secCred || NULL != *secCred || 0 == size)
Sahil Bansal's avatar
Sahil Bansal committed
852 853 854
    {
        return OC_STACK_INVALID_PARAM;
    }
Sachin Agrawal's avatar
Sachin Agrawal committed
855

Sahil Bansal's avatar
Sahil Bansal committed
856
    OCStackResult ret = OC_STACK_ERROR;
leechul's avatar
leechul committed
857 858
    CborValue credCbor = { .parser = NULL };
    CborParser parser = { .end = NULL };
Sahil Bansal's avatar
Sahil Bansal committed
859
    CborError cborFindResult = CborNoError;
leechul's avatar
leechul committed
860
    cbor_parser_init(cborPayload, size, 0, &parser, &credCbor);
leechul's avatar
leechul committed
861

862 863 864 865 866
    if (!cbor_value_is_container(&credCbor))
    {
        return OC_STACK_ERROR;
    }

leechul's avatar
leechul committed
867
    OicSecCred_t *headCred = (OicSecCred_t *) OICCalloc(1, sizeof(OicSecCred_t));
868

leechul's avatar
leechul committed
869 870 871 872
    // Enter CRED Root Map
    CborValue CredRootMap = { .parser = NULL, .ptr = NULL, .remaining = 0, .extra = 0, .type = 0, .flags = 0 };
    cborFindResult = cbor_value_enter_container(&credCbor, &CredRootMap);
    VERIFY_CBOR_SUCCESS(TAG, cborFindResult, "Failed Entering CRED Root Map.");
Sachin Agrawal's avatar
Sachin Agrawal committed
873

leechul's avatar
leechul committed
874
    while (cbor_value_is_valid(&CredRootMap))
Sahil Bansal's avatar
Sahil Bansal committed
875
    {
leechul's avatar
leechul committed
876 877 878
        char* tagName = NULL;
        size_t len = 0;
        CborType type = cbor_value_get_type(&CredRootMap);
879
        if (type == CborTextStringType && cbor_value_is_text_string(&CredRootMap))
Sahil Bansal's avatar
Sahil Bansal committed
880
        {
leechul's avatar
leechul committed
881 882 883 884
            cborFindResult = cbor_value_dup_text_string(&CredRootMap, &tagName, &len, NULL);
            VERIFY_CBOR_SUCCESS(TAG, cborFindResult, "Failed Finding Name in CRED Root Map.");
            cborFindResult = cbor_value_advance(&CredRootMap);
            VERIFY_CBOR_SUCCESS(TAG, cborFindResult, "Failed Advancing Value in CRED Root Map.");
Sahil Bansal's avatar
Sahil Bansal committed
885
        }
leechul's avatar
leechul committed
886
        if(tagName)
Sahil Bansal's avatar
Sahil Bansal committed
887
        {
leechul's avatar
leechul committed
888
            if (strcmp(tagName, OIC_JSON_CREDS_NAME)  == 0)
889
            {
leechul's avatar
leechul committed
890 891 892 893 894 895 896 897 898 899 900 901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 919 920
                // Enter CREDS Array
                size_t len = 0;
                int credCount = 0;
                CborValue credArray = { .parser = NULL, .ptr = NULL, .remaining = 0, .extra = 0, .type = 0, .flags = 0 };
                cborFindResult = cbor_value_enter_container(&CredRootMap, &credArray);
                VERIFY_CBOR_SUCCESS(TAG, cborFindResult, "Failed Finding Cred Array.");

                while (cbor_value_is_valid(&credArray))
                {
                    credCount++;
                    //CredId -- Mandatory
                    CborValue credMap = { .parser = NULL, .ptr = NULL, .remaining = 0, .extra = 0, .type = 0, .flags = 0 };
                    cborFindResult = cbor_value_enter_container(&credArray, &credMap);
                    VERIFY_CBOR_SUCCESS(TAG, cborFindResult, "Failed Finding Cred Map.");
                    OicSecCred_t *cred = NULL;

                    if(1 == credCount)
                    {
                        cred = headCred;
                    }
                    else
                    {
                        cred = (OicSecCred_t *) OICCalloc(1, sizeof(OicSecCred_t));
                        OicSecCred_t *temp = headCred;
                        while (temp->next)
                        {
                            temp = temp->next;
                        }
                        temp->next = cred;
                    }

921
                    VERIFY_NOT_NULL(TAG, cred, ERROR);
leechul's avatar
leechul committed
922

923
                    while(cbor_value_is_valid(&credMap) && cbor_value_is_text_string(&credMap))
leechul's avatar
leechul committed
924 925 926 927 928 929 930 931 932 933 934 935 936 937 938
                    {
                        char* name = NULL;
                        CborType type = cbor_value_get_type(&credMap);
                        if (type == CborTextStringType)
                        {
                            cborFindResult = cbor_value_dup_text_string(&credMap, &name, &len, NULL);
                            VERIFY_CBOR_SUCCESS(TAG, cborFindResult, "Failed Finding Name in CRED Map.");
                            cborFindResult = cbor_value_advance(&credMap);
                            VERIFY_CBOR_SUCCESS(TAG, cborFindResult, "Failed Advancing Value in CRED Map.");
                        }
                        if(name)
                        {
                            //credid
                            if (strcmp(name, OIC_JSON_CREDID_NAME)  == 0)
                            {
939 940
                                uint64_t credId = 0;
                                cborFindResult = cbor_value_get_uint64(&credMap, &credId);
leechul's avatar
leechul committed
941
                                VERIFY_CBOR_SUCCESS(TAG, cborFindResult, "Failed Finding CredId.");
942
                                cred->credId = (uint16_t)credId;
leechul's avatar
leechul committed
943 944 945 946 947 948 949
                            }
                            // subjectid
                            if (strcmp(name, OIC_JSON_SUBJECTID_NAME)  == 0)
                            {
                                char *subjectid = NULL;
                                cborFindResult = cbor_value_dup_text_string(&credMap, &subjectid, &len, NULL);
                                VERIFY_CBOR_SUCCESS(TAG, cborFindResult, "Failed Finding subjectid Value.");
950 951 952 953 954 955 956 957 958
                                if(strcmp(subjectid, WILDCARD_RESOURCE_URI) == 0)
                                {
                                    cred->subject.id[0] = '*';
                                }
                                else
                                {
                                    ret = ConvertStrToUuid(subjectid, &cred->subject);
                                    VERIFY_SUCCESS(TAG, ret == OC_STACK_OK, ERROR);
                                }
959 960 961
                                //Because cbor using malloc directly
                                //It is required to use free() instead of OICFree
                                free(subjectid);
leechul's avatar
leechul committed
962
                            }
963
                            // credtype
leechul's avatar
leechul committed
964 965
                            if (strcmp(name, OIC_JSON_CREDTYPE_NAME)  == 0)
                            {
966 967
                                uint64_t credType = 0;
                                cborFindResult = cbor_value_get_uint64(&credMap, &credType);
leechul's avatar
leechul committed
968
                                VERIFY_CBOR_SUCCESS(TAG, cborFindResult, "Failed Finding CredType.");
969
                                cred->credType = (OicSecCredType_t)credType;
leechul's avatar
leechul committed
970 971 972 973
                            }
                            // privatedata
                            if (strcmp(name, OIC_JSON_PRIVATEDATA_NAME)  == 0)
                            {
974 975
                                cborFindResult = DeserializeEncodingFromCbor(&credMap, &cred->privateData);
                                VERIFY_CBOR_SUCCESS(TAG, cborFindResult, "Failed to read privateData structure");
leechul's avatar
leechul committed
976

977 978
                                OicEncodingType_t encoding = cred->privateData.encoding;
                                if (OIC_ENCODING_DER == encoding || OIC_ENCODING_PEM == encoding)
leechul's avatar
leechul committed
979
                                {
980 981 982
                                    //For unit test
                                    cred->privateData.encoding = OIC_ENCODING_RAW;
                                    OIC_LOG(WARNING, TAG, "Unknown encoding type detected for private data.");
leechul's avatar
leechul committed
983 984
                                }
                            }
985
#if defined(__WITH_DTLS__) || defined(__WITH_TLS__)
986
                            //PublicData -- Not Mandatory
leechul's avatar
leechul committed
987 988
                            if (strcmp(name, OIC_JSON_PUBLICDATA_NAME)  == 0)
                            {
989 990
                                cborFindResult = DeserializeEncodingFromCbor(&credMap, &cred->publicData);
                                VERIFY_CBOR_SUCCESS(TAG, cborFindResult, "Failed to read publicData structure");
leechul's avatar
leechul committed
991
                            }
992 993 994
                            //OptionalData -- Not Mandatory
                            if (strcmp(name, OIC_JSON_OPTDATA_NAME)  == 0)
                            {
995 996
                                cborFindResult = DeserializeSecOptFromCbor(&credMap, &cred->optionalData);
                                VERIFY_CBOR_SUCCESS(TAG, cborFindResult, "Failed to read optionalData structure");
997 998 999 1000 1001 1002 1003
                            }
                            //Credusage -- Not Mandatory
                            if (0 == strcmp(OIC_JSON_CREDUSAGE_NAME, name))
                            {
                                cborFindResult = cbor_value_dup_text_string(&credMap, &cred->credUsage, &len, NULL);
                                VERIFY_CBOR_SUCCESS(TAG, cborFindResult, "Failed Finding Period.");
                            }
1004
#endif  //__WITH_DTLS__ ||  __WITH_TLS__
leechul's avatar
leechul committed
1005 1006 1007 1008 1009 1010 1011

                            if (0 == strcmp(OIC_JSON_PERIOD_NAME, name))
                            {
                                cborFindResult = cbor_value_dup_text_string(&credMap, &cred->period, &len, NULL);
                                VERIFY_CBOR_SUCCESS(TAG, cborFindResult, "Failed Finding Period.");
                            }

saurabh.s9's avatar
saurabh.s9 committed
1012
#ifdef MULTIPLE_OWNER
1013 1014 1015 1016 1017 1018 1019 1020 1021
                            // Eowner uuid -- Not Mandatory
                            if (strcmp(OIC_JSON_EOWNERID_NAME, name)  == 0 && cbor_value_is_text_string(&credMap))
                            {
                                char *eowner = NULL;
                                cborFindResult = cbor_value_dup_text_string(&credMap, &eowner, &len, NULL);
                                VERIFY_CBOR_SUCCESS(TAG, cborFindResult, "Failed Finding eownerId Value.");
                                if(NULL == cred->eownerID)
                                {
                                    cred->eownerID = (OicUuid_t*)OICCalloc(1, sizeof(OicUuid_t));
1022
                                    VERIFY_NOT_NULL(TAG, cred->eownerID, ERROR);
1023 1024
                                }
                                ret = ConvertStrToUuid(eowner, cred->eownerID);
1025 1026 1027
                                //Because cbor using malloc directly
                                //It is required to use free() instead of OICFree
                                free(eowner);
1028 1029
                                VERIFY_SUCCESS(TAG, OC_STACK_OK == ret , ERROR);
                            }
saurabh.s9's avatar
saurabh.s9 committed
1030
#endif //MULTIPLE_OWNER
1031

leechul's avatar
leechul committed
1032 1033 1034 1035 1036
                            if (cbor_value_is_valid(&credMap))
                            {
                                cborFindResult = cbor_value_advance(&credMap);
                                VERIFY_CBOR_SUCCESS(TAG, cborFindResult, "Failed Advancing CRED Map.");
                            }
1037 1038 1039
                            //Because cbor using malloc directly
                            //It is required to use free() instead of OICFree
                            free(name);
leechul's avatar
leechul committed
1040 1041 1042 1043 1044 1045 1046 1047 1048 1049 1050
                        }
                    }
                    cred->next = NULL;
                    if (cbor_value_is_valid(&credArray))
                    {
                        cborFindResult = cbor_value_advance(&credArray);
                        VERIFY_CBOR_SUCCESS(TAG, cborFindResult, "Failed Advancing CRED Array.");
                    }
                }
            }

1051
            //ROwner -- Mandatory
1052
            if (strcmp(tagName, OIC_JSON_ROWNERID_NAME)  == 0 && cbor_value_is_text_string(&CredRootMap))
Sachin Agrawal's avatar
Sachin Agrawal committed
1053
            {
leechul's avatar
leechul committed
1054 1055 1056
                char *stRowner = NULL;
                cborFindResult = cbor_value_dup_text_string(&CredRootMap, &stRowner, &len, NULL);
                VERIFY_CBOR_SUCCESS(TAG, cborFindResult, "Failed Finding Rownerid Value.");
1057 1058

                ret = ConvertStrToUuid(stRowner, &headCred->rownerID);
leechul's avatar
leechul committed
1059
                VERIFY_SUCCESS(TAG, ret == OC_STACK_OK, ERROR);
1060 1061 1062
                //Because cbor using malloc directly
                //It is required to use free() instead of OICFree
                free(stRowner);
Sachin Agrawal's avatar
Sachin Agrawal committed
1063
            }
1064 1065 1066 1067
            else if (NULL != gCred)
            {
                memcpy(&(headCred->rownerID), &(gCred->rownerID), sizeof(OicUuid_t));
            }
1068 1069 1070
            //Because cbor using malloc directly
            //It is required to use free() instead of OICFree
            free(tagName);
Sahil Bansal's avatar
Sahil Bansal committed
1071
        }
leechul's avatar
leechul committed
1072
        if (cbor_value_is_valid(&CredRootMap))
Sahil Bansal's avatar
Sahil Bansal committed
1073
        {
leechul's avatar
leechul committed
1074 1075
            cborFindResult = cbor_value_advance(&CredRootMap);
            VERIFY_CBOR_SUCCESS(TAG, cborFindResult, "Failed Advancing CRED Root Map.");
Sahil Bansal's avatar
Sahil Bansal committed
1076
        }
Sachin Agrawal's avatar
Sachin Agrawal committed
1077
    }
leechul's avatar
leechul committed
1078

Sahil Bansal's avatar
Sahil Bansal committed
1079
    *secCred = headCred;
Sachin Agrawal's avatar
Sachin Agrawal committed
1080
    ret = OC_STACK_OK;
leechul's avatar
leechul committed
1081

Sachin Agrawal's avatar
Sachin Agrawal committed
1082
exit:
Sahil Bansal's avatar
Sahil Bansal committed
1083
    if (CborNoError != cborFindResult)
Sachin Agrawal's avatar
Sachin Agrawal committed
1084 1085 1086
    {
        DeleteCredList(headCred);
        headCred = NULL;
leechul's avatar
leechul committed
1087
        *secCred = NULL;
Sahil Bansal's avatar
Sahil Bansal committed
1088
        ret = OC_STACK_ERROR;
1089
    }
Sahil Bansal's avatar
Sahil Bansal committed
1090 1091

    return ret;
Sachin Agrawal's avatar
Sachin Agrawal committed
1092 1093
}

saurabh.s9's avatar
saurabh.s9 committed
1094
#ifdef MULTIPLE_OWNER
1095 1096 1097 1098 1099 1100 1101
bool IsValidCredentialAccessForSubOwner(const OicUuid_t* uuid, const uint8_t *cborPayload, size_t size)
{
    OicSecCred_t* cred = NULL;
    bool isValidCred = false;

    OIC_LOG_BUFFER(DEBUG, TAG, cborPayload, size);

1102 1103
    VERIFY_NOT_NULL(TAG, uuid, ERROR);
    VERIFY_NOT_NULL(TAG, cborPayload, ERROR);
1104 1105
    VERIFY_SUCCESS(TAG, 0 != size, ERROR);
    VERIFY_SUCCESS(TAG, OC_STACK_OK == CBORPayloadToCred(cborPayload, size, &cred), ERROR);
1106 1107
    VERIFY_NOT_NULL(TAG, cred, ERROR);
    VERIFY_NOT_NULL(TAG, cred->eownerID, ERROR);
1108 1109 1110 1111 1112 1113 1114 1115 1116 1117
    VERIFY_SUCCESS(TAG, (memcmp(cred->eownerID->id, uuid->id, sizeof(uuid->id)) == 0), ERROR);

    isValidCred = true;

exit:
    DeleteCredList(cred);

    return isValidCred;

}
saurabh.s9's avatar
saurabh.s9 committed
1118
#endif //MULTIPLE_OWNER
1119

Sachin Agrawal's avatar
Sachin Agrawal committed
1120
OicSecCred_t * GenerateCredential(const OicUuid_t * subject, OicSecCredType_t credType,
1121
                                  const OicSecKey_t * publicData, const OicSecKey_t* privateData,
1122
                                  const OicUuid_t * rownerID, const OicUuid_t * eownerID)
Sachin Agrawal's avatar
Sachin Agrawal committed
1123
{
1124 1125
    OIC_LOG(DEBUG, TAG, "IN GenerateCredential");

Jon A. Cruz's avatar
Jon A. Cruz committed
1126
    (void)publicData;
Sachin Agrawal's avatar
Sachin Agrawal committed
1127 1128
    OCStackResult ret = OC_STACK_ERROR;

Sahil Bansal's avatar
Sahil Bansal committed
1129
    OicSecCred_t *cred = (OicSecCred_t *)OICCalloc(1, sizeof(*cred));
1130
    VERIFY_NOT_NULL(TAG, cred, ERROR);
Sachin Agrawal's avatar
Sachin Agrawal committed
1131

1132 1133 1134
    //CredId is assigned before appending new cred to the existing
    //credential list and updating svr database in AddCredential().
    cred->credId = 0;
Sachin Agrawal's avatar
Sachin Agrawal committed
1135

1136
    VERIFY_NOT_NULL(TAG, subject, ERROR);
Sachin Agrawal's avatar
Sachin Agrawal committed
1137 1138
    memcpy(cred->subject.id, subject->id , sizeof(cred->subject.id));

1139 1140
    VERIFY_SUCCESS(TAG, credType < (NO_SECURITY_MODE | SYMMETRIC_PAIR_WISE_KEY |
            SYMMETRIC_GROUP_KEY | ASYMMETRIC_KEY | SIGNED_ASYMMETRIC_KEY | PIN_PASSWORD), ERROR);