1 /******************************************************************
3 * Copyright 2014 Samsung Electronics All Rights Reserved.
7 * Licensed under the Apache License, Version 2.0 (the "License");
8 * you may not use this file except in compliance with the License.
9 * You may obtain a copy of the License at
11 * http://www.apache.org/licenses/LICENSE-2.0
13 * Unless required by applicable law or agreed to in writing, software
14 * distributed under the License is distributed on an "AS IS" BASIS,
15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 * See the License for the specific language governing permissions and
17 * limitations under the License.
19 ******************************************************************/
21 // Defining _BSD_SOURCE or _DEFAULT_SOURCE causes header files to expose
22 // definitions that may otherwise be skipped. Skipping can cause implicit
23 // declaration warnings and/or bugs and subtle problems in code execution.
24 // For glibc information on feature test macros,
25 // Refer http://www.gnu.org/software/libc/manual/html_node/Feature-Test-Macros.html
27 // This file requires #define use due to random() and srandom()
28 // For details on compatibility and glibc support,
29 // Refer http://www.gnu.org/software/libc/manual/html_node/BSD-Random.html
30 #define _DEFAULT_SOURCE
40 #include "caprotocolmessage.h"
42 #include "oic_malloc.h"
43 #include "oic_string.h"
45 // ARM GCC compiler doesnt define srandom function.
46 #if defined(ARDUINO) && !defined(ARDUINO_ARCH_SAM)
47 #define HAVE_SRANDOM 1
50 #define TAG "CA_PRTCL_MSG"
53 * @def VERIFY_NON_NULL_RET
54 * @brief Macro to verify the validity of input argument
56 #define VERIFY_NON_NULL_RET(arg, log_tag, log_message,ret) \
58 OIC_LOG_V(ERROR, log_tag, "Invalid input:%s", log_message); \
62 #define CA_BUFSIZE (128)
63 #define CA_PDU_MIN_SIZE (4)
64 #define CA_PORT_BUFFER_SIZE (4)
66 static const char COAP_URI_HEADER[] = "coap://[::]/";
68 static unsigned int SEED = 0;
70 CAResult_t CAGetRequestInfoFromPDU(const coap_pdu_t *pdu, CARequestInfo_t *outReqInfo)
72 OIC_LOG(DEBUG, TAG, "IN");
74 if (NULL == pdu || NULL == outReqInfo)
76 OIC_LOG(ERROR, TAG, "parameter is null");
77 return CA_STATUS_INVALID_PARAM;
80 uint32_t code = CA_NOT_FOUND;
81 CAResult_t ret = CAGetInfoFromPDU(pdu, &code, &(outReqInfo->info));
82 outReqInfo->method = code;
84 OIC_LOG(DEBUG, TAG, "OUT");
88 CAResult_t CAGetResponseInfoFromPDU(const coap_pdu_t *pdu, CAResponseInfo_t *outResInfo)
90 OIC_LOG(DEBUG, TAG, "IN");
92 if (NULL == pdu || NULL == outResInfo)
94 OIC_LOG(ERROR, TAG, "parameter is null");
95 return CA_STATUS_INVALID_PARAM;
98 uint32_t code = CA_NOT_FOUND;
99 CAResult_t ret = CAGetInfoFromPDU(pdu, &code, &(outResInfo->info));
100 outResInfo->result = code;
102 OIC_LOG(DEBUG, TAG, "OUT");
106 CAResult_t CAGetErrorInfoFromPDU(const coap_pdu_t *pdu, CAErrorInfo_t *errorInfo)
108 OIC_LOG(DEBUG, TAG, "IN");
112 OIC_LOG(ERROR, TAG, "parameter is null");
113 return CA_STATUS_INVALID_PARAM;
117 CAResult_t ret = CAGetInfoFromPDU(pdu, &code, &errorInfo->info);
118 OIC_LOG(DEBUG, TAG, "OUT");
122 coap_pdu_t *CAGeneratePDU(uint32_t code, const CAInfo_t *info, const CAEndpoint_t *endpoint)
124 OIC_LOG(DEBUG, TAG, "IN");
126 VERIFY_NON_NULL_RET(info, TAG, "info", NULL);
127 VERIFY_NON_NULL_RET(endpoint, TAG, "endpoint", NULL);
129 coap_pdu_t *pdu = NULL;
131 // RESET have to use only 4byte (empty message)
132 // and ACKNOWLEDGE can use empty message when code is empty.
133 if (CA_MSG_RESET == info->type || (CA_EMPTY == code && CA_MSG_ACKNOWLEDGE == info->type))
135 OIC_LOG(DEBUG, TAG, "code is empty");
136 if (!(pdu = CAGeneratePDUImpl((code_t) code, NULL, info, endpoint)))
138 OIC_LOG(ERROR, TAG, "pdu NULL");
144 coap_list_t *optlist = NULL;
146 if (CA_MSG_ACKNOWLEDGE != info->type)
148 const char *uri = info->resourceUri;
151 OIC_LOG(ERROR, TAG, "uri NULL");
155 uint32_t length = strlen(uri);
156 if (CA_MAX_URI_LENGTH < length)
158 OIC_LOG(ERROR, TAG, "URI len err");
162 uint32_t uriLength = length + sizeof(COAP_URI_HEADER);
163 char *coapUri = (char *) OICCalloc(1, uriLength);
166 OIC_LOG(ERROR, TAG, "out of memory");
169 OICStrcat(coapUri, uriLength, COAP_URI_HEADER);
170 OICStrcat(coapUri, uriLength, uri);
172 // parsing options in URI
173 CAResult_t res = CAParseURI(coapUri, &optlist);
174 if (CA_STATUS_OK != res)
178 coap_delete_list(optlist);
186 // parsing options in HeadOption
187 CAResult_t ret = CAParseHeadOption(code, info, &optlist);
188 if (CA_STATUS_OK != ret)
190 coap_delete_list(optlist);
194 pdu = CAGeneratePDUImpl((code_t) code, optlist, info, endpoint);
197 OIC_LOG(ERROR, TAG, "pdu NULL");
198 coap_delete_list(optlist);
203 coap_delete_list(optlist);
206 // pdu print method : coap_show_pdu(pdu);
207 OIC_LOG(DEBUG, TAG, "OUT");
211 coap_pdu_t *CAParsePDU(const char *data, uint32_t length, uint32_t *outCode)
213 OIC_LOG(DEBUG, TAG, "IN");
217 OIC_LOG(ERROR, TAG, "data is null");
221 coap_pdu_t *outpdu = coap_new_pdu();
224 OIC_LOG(ERROR, TAG, "outpdu is null");
228 if (0 >= coap_pdu_parse((unsigned char *) data, length, outpdu))
230 OIC_LOG(ERROR, TAG, "pdu parse failed");
231 coap_delete_pdu(outpdu);
235 if (outpdu->hdr->version != COAP_DEFAULT_VERSION)
237 OIC_LOG_V(ERROR, TAG, "coap version is not available : %d",
238 outpdu->hdr->version);
239 coap_delete_pdu(outpdu);
243 if (outpdu->hdr->token_length > CA_MAX_TOKEN_LEN)
245 OIC_LOG_V(ERROR, TAG, "token length has been exceed : %d",
246 outpdu->hdr->token_length);
247 coap_delete_pdu(outpdu);
253 (*outCode) = (uint32_t) CA_RESPONSE_CODE(outpdu->hdr->code);
256 OIC_LOG(DEBUG, TAG, "OUT");
260 coap_pdu_t *CAGeneratePDUImpl(code_t code, coap_list_t *options, const CAInfo_t *info,
261 const CAEndpoint_t *endpoint)
263 OIC_LOG(DEBUG, TAG, "IN");
264 VERIFY_NON_NULL_RET(info, TAG, "info", NULL);
265 VERIFY_NON_NULL_RET(endpoint, TAG, "endpoint", NULL);
267 coap_pdu_t *pdu = coap_new_pdu();
271 OIC_LOG(ERROR, TAG, "malloc failed");
275 OIC_LOG_V(DEBUG, TAG, "msgID is %d", info->messageId);
277 if (0 == info->messageId)
279 /* initialize message id */
280 prng((uint8_t * ) &message_id, sizeof(message_id));
282 OIC_LOG_V(DEBUG, TAG, "gen msg id=%d", message_id);
286 /* use saved message id */
287 message_id = info->messageId;
289 pdu->hdr->id = message_id;
290 OIC_LOG_V(DEBUG, TAG, "messageId in pdu is %d, %d", message_id, pdu->hdr->id);
292 pdu->hdr->type = info->type;
293 pdu->hdr->code = COAP_RESPONSE_CODE(code);
295 if (info->token && CA_EMPTY != code)
297 uint32_t tokenLength = info->tokenLength;
298 OIC_LOG_V(DEBUG, TAG, "token info token length: %d, token :", tokenLength);
299 OIC_LOG_BUFFER(DEBUG, TAG, (const uint8_t *)info->token, tokenLength);
301 int32_t ret = coap_add_token(pdu, tokenLength, (unsigned char *)info->token);
304 OIC_LOG(ERROR, TAG, "can't add token");
310 for (coap_list_t *opt = options; opt; opt = opt->next)
312 OIC_LOG_V(DEBUG, TAG, "[%s] opt will be added.",
313 COAP_OPTION_DATA(*(coap_option *) opt->data));
314 coap_add_option(pdu, COAP_OPTION_KEY(*(coap_option *) opt->data),
315 COAP_OPTION_LENGTH(*(coap_option *) opt->data),
316 COAP_OPTION_DATA(*(coap_option *) opt->data));
320 bool enabledPayload = false;
322 enabledPayload = true;
325 if (enabledPayload || CA_ADAPTER_GATT_BTLE == endpoint->adapter)
327 if (NULL != info->payload && 0 < info->payloadSize)
329 OIC_LOG(DEBUG, TAG, "payload is added");
330 coap_add_data(pdu, info->payloadSize, (const unsigned char *) info->payload);
334 OIC_LOG(DEBUG, TAG, "OUT");
338 CAResult_t CAParseURI(const char *uriInfo, coap_list_t **optlist)
340 OIC_LOG(DEBUG, TAG, "IN");
344 OIC_LOG(ERROR, TAG, "uriInfo is null");
345 return CA_STATUS_INVALID_PARAM;
348 OIC_LOG_V(DEBUG, TAG, "url : %s", uriInfo);
352 OIC_LOG(ERROR, TAG, "optlist is null");
353 return CA_STATUS_INVALID_PARAM;
356 /* split arg into Uri-* options */
358 coap_split_uri((unsigned char *) uriInfo, strlen(uriInfo), &uri);
360 if (uri.port != COAP_DEFAULT_PORT)
362 unsigned char portbuf[CA_PORT_BUFFER_SIZE] = { 0 };
363 int ret = coap_insert(optlist,
364 CACreateNewOptionNode(COAP_OPTION_URI_PORT,
365 coap_encode_var_bytes(portbuf, uri.port),
370 return CA_STATUS_INVALID_PARAM;
374 if (uri.path.s && uri.path.length)
376 CAResult_t ret = CAParseUriPartial(uri.path.s, uri.path.length,
377 COAP_OPTION_URI_PATH, optlist);
378 if (CA_STATUS_OK != ret)
380 OIC_LOG(ERROR, TAG, "CAParseUriPartial failed(uri path)");
385 if (uri.query.s && uri.query.length)
387 CAResult_t ret = CAParseUriPartial(uri.query.s, uri.query.length, COAP_OPTION_URI_QUERY,
389 if (CA_STATUS_OK != ret)
391 OIC_LOG(ERROR, TAG, "CAParseUriPartial failed(uri query)");
396 OIC_LOG(DEBUG, TAG, "OUT");
400 CAResult_t CAParseUriPartial(const unsigned char *str, size_t length, int target,
401 coap_list_t **optlist)
405 OIC_LOG(ERROR, TAG, "optlist is null");
406 return CA_STATUS_INVALID_PARAM;
409 if ((target != COAP_OPTION_URI_PATH) && (target != COAP_OPTION_URI_QUERY))
411 // should never occur. Log just in case.
412 OIC_LOG(DEBUG, TAG, "Unexpected URI component.");
413 return CA_NOT_SUPPORTED;
415 else if (str && length)
417 unsigned char uriBuffer[CA_BUFSIZE] = { 0 };
418 unsigned char *pBuf = uriBuffer;
419 size_t buflen = sizeof(uriBuffer);
420 int res = (target == COAP_OPTION_URI_PATH) ? coap_split_path(str, length, pBuf, &buflen) :
421 coap_split_query(str, length, pBuf, &buflen);
428 int ret = coap_insert(optlist,
429 CACreateNewOptionNode(target, COAP_OPT_LENGTH(pBuf),
430 (char *)COAP_OPT_VALUE(pBuf)),
434 return CA_STATUS_INVALID_PARAM;
437 size_t optSize = COAP_OPT_SIZE(pBuf);
438 if ((prevIdx + optSize) < buflen)
447 OIC_LOG_V(ERROR, TAG, "Problem parsing URI : %d for %d", res, target);
448 return CA_STATUS_FAILED;
453 OIC_LOG(ERROR, TAG, "str or length is not available");
454 return CA_STATUS_FAILED;
460 CAResult_t CAParseHeadOption(uint32_t code, const CAInfo_t *info, coap_list_t **optlist)
463 OIC_LOG(DEBUG, TAG, "IN");
464 VERIFY_NON_NULL_RET(info, TAG, "info is NULL", CA_STATUS_INVALID_PARAM);
466 OIC_LOG_V(DEBUG, TAG, "parse Head Opt: %d", info->numOptions);
470 OIC_LOG(ERROR, TAG, "optlist is null");
471 return CA_STATUS_INVALID_PARAM;
474 for (uint32_t i = 0; i < info->numOptions; i++)
476 if(!(info->options + i))
478 OIC_LOG(ERROR, TAG, "options is not available");
479 return CA_STATUS_FAILED;
482 uint32_t id = (info->options + i)->optionID;
483 if (COAP_OPTION_URI_PATH == id || COAP_OPTION_URI_QUERY == id)
485 OIC_LOG_V(DEBUG, TAG, "not Header Opt: %d", id);
489 if ((info->options + i)->optionData && (info->options + i)->optionLength > 0)
491 OIC_LOG_V(DEBUG, TAG, "Head opt ID: %d", id);
492 OIC_LOG_V(DEBUG, TAG, "Head opt data: %s", (info->options + i)->optionData);
493 OIC_LOG_V(DEBUG, TAG, "Head opt length: %d", (info->options + i)->optionLength);
494 int ret = coap_insert(optlist,
495 CACreateNewOptionNode(id, (info->options + i)->optionLength,
496 (info->options + i)->optionData),
500 return CA_STATUS_INVALID_PARAM;
506 OIC_LOG(DEBUG, TAG, "OUT");
510 coap_list_t *CACreateNewOptionNode(uint16_t key, uint32_t length, const char *data)
512 OIC_LOG(DEBUG, TAG, "IN");
516 OIC_LOG(ERROR, TAG, "invalid pointer parameter");
520 coap_option *option = coap_malloc(sizeof(coap_option) + length + 1);
523 OIC_LOG(ERROR, TAG, "Out of memory");
526 memset(option, 0, sizeof(coap_option) + length + 1);
528 COAP_OPTION_KEY(*option) = key;
529 COAP_OPTION_LENGTH(*option) = length;
530 memcpy(COAP_OPTION_DATA(*option), data, length);
532 /* we can pass NULL here as delete function since option is released automatically */
533 coap_list_t *node = coap_new_listnode(option, NULL);
537 OIC_LOG(ERROR, TAG, "node is NULL");
542 OIC_LOG(DEBUG, TAG, "OUT");
546 int CAOrderOpts(void *a, void *b)
548 OIC_LOG(DEBUG, TAG, "IN");
551 return a < b ? -1 : 1;
554 if (COAP_OPTION_KEY(*(coap_option *) a) < COAP_OPTION_KEY(*(coap_option * ) b))
559 OIC_LOG(DEBUG, TAG, "OUT");
560 return COAP_OPTION_KEY(*(coap_option *) a) == COAP_OPTION_KEY(*(coap_option * ) b);
563 uint32_t CAGetOptionCount(coap_opt_iterator_t opt_iter)
565 OIC_LOG(DEBUG, TAG, "IN");
569 while ((option = coap_option_next(&opt_iter)))
571 if (COAP_OPTION_URI_PATH != opt_iter.type && COAP_OPTION_URI_QUERY != opt_iter.type
572 && COAP_OPTION_BLOCK1 != opt_iter.type && COAP_OPTION_BLOCK2 != opt_iter.type
573 && COAP_OPTION_SIZE1 != opt_iter.type && COAP_OPTION_SIZE2 != opt_iter.type)
579 OIC_LOG(DEBUG, TAG, "OUT");
583 CAResult_t CAGetInfoFromPDU(const coap_pdu_t *pdu, uint32_t *outCode, CAInfo_t *outInfo)
585 OIC_LOG(DEBUG, TAG, "IN");
587 if (!pdu || !outCode || !outInfo)
589 OIC_LOG(ERROR, TAG, "NULL pointer param");
590 return CA_STATUS_INVALID_PARAM;
593 coap_opt_iterator_t opt_iter;
594 coap_option_iterator_init((coap_pdu_t *) pdu, &opt_iter, COAP_OPT_ALL);
598 (*outCode) = (uint32_t) CA_RESPONSE_CODE(pdu->hdr->code);
601 // init HeaderOption list
602 uint32_t count = CAGetOptionCount(opt_iter);
603 memset(outInfo, 0, sizeof(*outInfo));
605 outInfo->numOptions = count;
608 outInfo->type = pdu->hdr->type;
611 outInfo->messageId = pdu->hdr->id;
615 outInfo->options = (CAHeaderOption_t *) OICCalloc(count, sizeof(CAHeaderOption_t));
616 if (NULL == outInfo->options)
618 OIC_LOG(ERROR, TAG, "Out of memory");
619 return CA_MEMORY_ALLOC_FAILED;
624 char optionResult[CA_MAX_URI_LENGTH] = {0};
626 uint32_t optionLength = 0;
627 bool isfirstsetflag = false;
628 bool isQueryBeingProcessed = false;
630 while ((option = coap_option_next(&opt_iter)))
632 char buf[COAP_MAX_PDU_SIZE] = {0};
633 if (CAGetOptionData((uint8_t *)(COAP_OPT_VALUE(option)),
634 COAP_OPT_LENGTH(option), (uint8_t *)buf, sizeof(buf)))
636 OIC_LOG_V(DEBUG, TAG, "COAP URI element : %s", buf);
637 uint32_t bufLength = strlen(buf);
638 if (COAP_OPTION_URI_PATH == opt_iter.type || COAP_OPTION_URI_QUERY == opt_iter.type)
640 if (false == isfirstsetflag)
642 isfirstsetflag = true;
643 optionResult[optionLength] = '/';
645 // Make sure there is enough room in the optionResult buffer
646 if ((optionLength + bufLength) < sizeof(optionResult))
648 memcpy(&optionResult[optionLength], buf, bufLength);
649 optionLength += bufLength;
658 if (COAP_OPTION_URI_PATH == opt_iter.type)
660 // Make sure there is enough room in the optionResult buffer
661 if (optionLength < sizeof(optionResult))
663 optionResult[optionLength] = '/';
671 else if (COAP_OPTION_URI_QUERY == opt_iter.type)
673 if (false == isQueryBeingProcessed)
675 // Make sure there is enough room in the optionResult buffer
676 if (optionLength < sizeof(optionResult))
678 optionResult[optionLength] = '?';
680 isQueryBeingProcessed = true;
689 // Make sure there is enough room in the optionResult buffer
690 if (optionLength < sizeof(optionResult))
692 optionResult[optionLength] = ';';
701 // Make sure there is enough room in the optionResult buffer
702 if ((optionLength + bufLength) < sizeof(optionResult))
704 memcpy(&optionResult[optionLength], buf, bufLength);
705 optionLength += bufLength;
713 else if (COAP_OPTION_BLOCK1 == opt_iter.type || COAP_OPTION_BLOCK2 == opt_iter.type
714 || COAP_OPTION_SIZE1 == opt_iter.type || COAP_OPTION_SIZE2 == opt_iter.type)
716 OIC_LOG_V(DEBUG, TAG, "option[%d] will be filtering", opt_iter.type);
722 uint32_t length = bufLength;
724 if (length <= CA_MAX_HEADER_OPTION_DATA_LENGTH)
726 outInfo->options[idx].optionID = opt_iter.type;
727 outInfo->options[idx].optionLength = length;
728 outInfo->options[idx].protocolID = CA_COAP_ID;
729 memcpy(outInfo->options[idx].optionData, buf, length);
738 if (pdu->hdr->token_length > 0)
740 OIC_LOG_V(DEBUG, TAG, "inside token length : %d", pdu->hdr->token_length);
741 outInfo->token = (char *) OICMalloc(pdu->hdr->token_length);
742 if (NULL == outInfo->token)
744 OIC_LOG(ERROR, TAG, "Out of memory");
745 OICFree(outInfo->options);
746 return CA_MEMORY_ALLOC_FAILED;
748 memcpy(outInfo->token, pdu->hdr->token, pdu->hdr->token_length);
751 outInfo->tokenLength = pdu->hdr->token_length;
756 if (coap_get_data(pdu, &dataSize, &data))
758 OIC_LOG(DEBUG, TAG, "inside pdu->data");
759 outInfo->payload = (uint8_t *) OICMalloc(dataSize);
760 if (NULL == outInfo->payload)
762 OIC_LOG(ERROR, TAG, "Out of memory");
763 OICFree(outInfo->options);
764 OICFree(outInfo->token);
765 return CA_MEMORY_ALLOC_FAILED;
767 memcpy(outInfo->payload, pdu->data, dataSize);
768 outInfo->payloadSize = dataSize;
771 if (optionResult[0] != '\0')
773 OIC_LOG_V(DEBUG, TAG, "URL length:%d", strlen(optionResult));
774 outInfo->resourceUri = OICStrdup(optionResult);
775 if (!outInfo->resourceUri)
777 OIC_LOG(ERROR, TAG, "Out of memory");
778 OICFree(outInfo->options);
779 OICFree(outInfo->token);
780 return CA_MEMORY_ALLOC_FAILED;
784 OIC_LOG(DEBUG, TAG, "OUT");
788 OIC_LOG(ERROR, TAG, "buffer too small");
789 OICFree(outInfo->options);
790 return CA_STATUS_FAILED;
793 CAResult_t CAGetTokenFromPDU(const coap_hdr_t *pdu_hdr, CAInfo_t *outInfo)
795 OIC_LOG(DEBUG, TAG, "IN");
798 OIC_LOG(ERROR, TAG, "pdu_hdr is null");
799 return CA_STATUS_INVALID_PARAM;
804 OIC_LOG(ERROR, TAG, "outInfo is null");
805 return CA_STATUS_INVALID_PARAM;
809 if (pdu_hdr->token_length > 0)
811 OIC_LOG_V(DEBUG, TAG, "token len:%d", pdu_hdr->token_length);
812 outInfo->token = (char *) OICMalloc(pdu_hdr->token_length);
813 if (NULL == outInfo->token)
815 OIC_LOG(ERROR, TAG, "out of memory");
816 return CA_MEMORY_ALLOC_FAILED;
818 memcpy(outInfo->token, pdu_hdr->token, pdu_hdr->token_length);
821 outInfo->tokenLength = pdu_hdr->token_length;
823 OIC_LOG(DEBUG, TAG, "OUT");
828 CAResult_t CAGenerateTokenInternal(CAToken_t *token, uint8_t tokenLength)
830 OIC_LOG(DEBUG, TAG, "IN");
834 OIC_LOG(ERROR, TAG, "invalid token pointer");
835 return CA_STATUS_INVALID_PARAM;
838 if ((tokenLength > CA_MAX_TOKEN_LEN) || (0 == tokenLength))
840 OIC_LOG(ERROR, TAG, "invalid token length");
841 return CA_STATUS_INVALID_PARAM;
851 if (SEED == (unsigned int)((time_t)-1))
853 OIC_LOG(ERROR, TAG, "seed is not made");
855 return CA_STATUS_FAILED;
865 char *temp = (char *) OICCalloc(tokenLength, sizeof(char));
868 OIC_LOG(ERROR, TAG, "Out of memory");
869 return CA_MEMORY_ALLOC_FAILED;
873 for (uint8_t index = 0; index < tokenLength; index++)
875 // use valid characters
877 temp[index] = rand() & 0x00FF;
879 temp[index] = random() & 0x00FF;
886 OIC_LOG_V(DEBUG, TAG, "token len:%d, token:", tokenLength);
887 OIC_LOG_BUFFER(DEBUG, TAG, (const uint8_t *)(*token), tokenLength);
889 OIC_LOG(DEBUG, TAG, "OUT");
893 void CADestroyTokenInternal(CAToken_t token)
895 OIC_LOG(DEBUG, TAG, "IN");
897 OIC_LOG(DEBUG, TAG, "OUT");
900 void CADestroyInfo(CAInfo_t *info)
902 OIC_LOG(DEBUG, TAG, "IN");
906 OIC_LOG(DEBUG, TAG, "free options");
907 OICFree(info->options);
909 OIC_LOG(DEBUG, TAG, "free token");
910 OICFree(info->token);
912 OIC_LOG(DEBUG, TAG, "free payload");
913 OICFree(info->payload);
916 OIC_LOG(DEBUG, TAG, "OUT");
919 uint32_t CAGetOptionData(const uint8_t *data, uint32_t len, uint8_t *option, uint32_t buflen)
921 if (0 == buflen || 0 == len)
923 OIC_LOG(ERROR, TAG, "len 0");
927 if (NULL == data || NULL == option)
929 OIC_LOG(ERROR, TAG, "data/option NULL");
935 OIC_LOG(ERROR, TAG, "option buffer too small");
939 memcpy(option, data, len);
945 CAMessageType_t CAGetMessageTypeFromPduBinaryData(const void *pdu, uint32_t size)
949 OIC_LOG(ERROR, TAG, "pdu is null");
950 return CA_MSG_NONCONFIRM;
953 // pdu minimum size is 4 byte.
954 if (size < CA_PDU_MIN_SIZE)
956 OIC_LOG(ERROR, TAG, "min size");
957 return CA_MSG_NONCONFIRM;
960 coap_hdr_t *hdr = (coap_hdr_t *) pdu;
962 return (CAMessageType_t) hdr->type;
965 uint16_t CAGetMessageIdFromPduBinaryData(const void *pdu, uint32_t size)
969 OIC_LOG(ERROR, TAG, "pdu is null");
973 // pdu minimum size is 4 byte.
974 if (size < CA_PDU_MIN_SIZE)
976 OIC_LOG(ERROR, TAG, "min size");
980 coap_hdr_t *hdr = (coap_hdr_t *) pdu;
985 CAResponseResult_t CAGetCodeFromPduBinaryData(const void *pdu, uint32_t size)
989 OIC_LOG(ERROR, TAG, "pdu is null");
993 // pdu minimum size is 4 byte.
994 if (size < CA_PDU_MIN_SIZE)
996 OIC_LOG(ERROR, TAG, "min size");
1000 coap_hdr_t *hdr = (coap_hdr_t *) pdu;
1002 return (CAResponseResult_t) CA_RESPONSE_CODE(hdr->code);