*
******************************************************************/
+// Defining _BSD_SOURCE or _DEFAULT_SOURCE causes header files to expose
+// definitions that may otherwise be skipped. Skipping can cause implicit
+// declaration warnings and/or bugs and subtle problems in code execution.
+// For glibc information on feature test macros,
+// Refer http://www.gnu.org/software/libc/manual/html_node/Feature-Test-Macros.html
+//
+// This file requires #define use due to random() and srandom()
+// For details on compatibility and glibc support,
+// Refer http://www.gnu.org/software/libc/manual/html_node/BSD-Random.html
+#define _DEFAULT_SOURCE
+
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
+#include <stdbool.h>
+#ifdef HAVE_TIME_H
+#include <time.h>
+#endif
#include "caprotocolmessage.h"
#include "logger.h"
#include "oic_malloc.h"
+#include "oic_string.h"
+
+// ARM GCC compiler doesnt define srandom function.
+#if defined(ARDUINO) && !defined(ARDUINO_ARCH_SAM)
+#define HAVE_SRANDOM 1
+#endif
+
+#define TAG "CA_PRTCL_MSG"
+
+/**
+ * @def VERIFY_NON_NULL_RET
+ * @brief Macro to verify the validity of input argument
+ */
+#define VERIFY_NON_NULL_RET(arg, log_tag, log_message,ret) \
+ if (NULL == arg ){ \
+ OIC_LOG_V(ERROR, log_tag, "Invalid input:%s", log_message); \
+ return ret; \
+ }
-#define TAG PCF("CA")
+#define CA_BUFSIZE (128)
+#define CA_PDU_MIN_SIZE (4)
+#define CA_PORT_BUFFER_SIZE (4)
-#define CA_MAX_TOKEN_LEN 8
-#define CA_FLAGS_BLOCK 0x01
-#define CA_URI_MAX_SIZE 256
-#define CA_BUFSIZE 40
+static const char COAP_URI_HEADER[] = "coap://[::]/";
-uint32_t CAGetRequestInfoFromPdu(const coap_pdu_t *pdu, CARequestInfo_t* outReqInfo)
+static unsigned int SEED = 0;
+
+CAResult_t CAGetRequestInfoFromPDU(const coap_pdu_t *pdu, const CAEndpoint_t *endpoint,
+ CARequestInfo_t *outReqInfo)
{
- OIC_LOG(DEBUG, TAG, "get request info from PDU");
- if (NULL == pdu)
- return 0;
+ OIC_LOG(DEBUG, TAG, "IN");
+
+ if (NULL == pdu || NULL == outReqInfo)
+ {
+ OIC_LOG(ERROR, TAG, "parameter is null");
+ return CA_STATUS_INVALID_PARAM;
+ }
uint32_t code = CA_NOT_FOUND;
- CAGetRequestPDUInfo(pdu, &code, &(outReqInfo->info));
+ CAResult_t ret = CAGetInfoFromPDU(pdu, endpoint, &code, &(outReqInfo->info));
outReqInfo->method = code;
- return 1;
+
+ OIC_LOG(DEBUG, TAG, "OUT");
+ return ret;
}
-uint32_t CAGetResponseInfoFromPdu(const coap_pdu_t *pdu, CAResponseInfo_t* outResInfo)
+CAResult_t CAGetResponseInfoFromPDU(const coap_pdu_t *pdu, CAResponseInfo_t *outResInfo,
+ const CAEndpoint_t *endpoint)
{
- OIC_LOG(DEBUG, TAG, "get response info from PDU");
- if (NULL == pdu)
- return 0;
+ OIC_LOG(DEBUG, TAG, "IN");
+
+ if (NULL == pdu || NULL == outResInfo)
+ {
+ OIC_LOG(ERROR, TAG, "parameter is null");
+ return CA_STATUS_INVALID_PARAM;
+ }
uint32_t code = CA_NOT_FOUND;
- CAGetRequestPDUInfo(pdu, &code, &(outResInfo->info));
+ CAResult_t ret = CAGetInfoFromPDU(pdu, endpoint, &code, &(outResInfo->info));
outResInfo->result = code;
- return 1;
+ OIC_LOG(DEBUG, TAG, "OUT");
+ return ret;
}
-coap_pdu_t* CAGeneratePdu(const char* uri, const uint32_t code, const CAInfo_t info)
+CAResult_t CAGetErrorInfoFromPDU(const coap_pdu_t *pdu, const CAEndpoint_t *endpoint,
+ CAErrorInfo_t *errorInfo)
{
- OIC_LOG(DEBUG, TAG, "generate PDU");
-
- coap_pdu_t *pdu;
- char* coapUri = NULL;
- uint32_t coapHeaderLength = 12;
- uint32_t length;
- coap_list_t *optlist = NULL;
-
- if (NULL == uri)
- return NULL;
-
- length = strlen(uri);
- coapUri = (char*) OICMalloc(length + coapHeaderLength + 1);
- memset(coapUri, 0, length + coapHeaderLength + 1);
+ OIC_LOG(DEBUG, TAG, "IN");
- if (NULL != coapUri)
+ if (!pdu)
{
+ OIC_LOG(ERROR, TAG, "parameter is null");
+ return CA_STATUS_INVALID_PARAM;
+ }
- memcpy(coapUri, "coap://[::]/", coapHeaderLength);
- memcpy(coapUri + coapHeaderLength, uri, length);
+ uint32_t code = 0;
+ CAResult_t ret = CAGetInfoFromPDU(pdu, endpoint, &code, &errorInfo->info);
+ OIC_LOG(DEBUG, TAG, "OUT");
+ return ret;
+}
- // parsing options in URI
- CAParseURI(coapUri, &optlist);
+coap_pdu_t *CAGeneratePDU(uint32_t code, const CAInfo_t *info, const CAEndpoint_t *endpoint)
+{
+ OIC_LOG(DEBUG, TAG, "IN");
- // parsing options in HeadOption
- if (NULL != &info)
- {
- CAParseHeadOption(code, info, &optlist);
- }
+ VERIFY_NON_NULL_RET(info, TAG, "info", NULL);
+ VERIFY_NON_NULL_RET(endpoint, TAG, "endpoint", NULL);
- OICFree(coapUri);
- }
+ coap_pdu_t *pdu = NULL;
- if (NULL != info.payload)
+ // RESET have to use only 4byte (empty message)
+ // and ACKNOWLEDGE can use empty message when code is empty.
+ if (CA_MSG_RESET == info->type || (CA_EMPTY == code && CA_MSG_ACKNOWLEDGE == info->type))
{
- if (!(pdu = CACreatePDUforRequestWithPayload((code_t) code, optlist, info.payload)))
+ OIC_LOG(DEBUG, TAG, "code is empty");
+ if (!(pdu = CAGeneratePDUImpl((code_t) code, info, endpoint, NULL)))
+ {
+ OIC_LOG(ERROR, TAG, "pdu NULL");
return NULL;
+ }
}
else
{
- if (!(pdu = CACreatePDUforRequest((code_t) code, optlist)))
+ coap_list_t *optlist = NULL;
+
+ if (CA_MSG_ACKNOWLEDGE != info->type)
+ {
+ const char *uri = info->resourceUri;
+ if (NULL == uri)
+ {
+ OIC_LOG(ERROR, TAG, "uri NULL");
+ return NULL;
+ }
+
+ uint32_t length = strlen(uri);
+ if (CA_MAX_URI_LENGTH < length)
+ {
+ OIC_LOG(ERROR, TAG, "URI len err");
+ return NULL;
+ }
+
+ uint32_t uriLength = length + sizeof(COAP_URI_HEADER);
+ char *coapUri = (char *) OICCalloc(1, uriLength);
+ if (NULL == coapUri)
+ {
+ OIC_LOG(ERROR, TAG, "out of memory");
+ return NULL;
+ }
+ OICStrcat(coapUri, uriLength, COAP_URI_HEADER);
+ OICStrcat(coapUri, uriLength, uri);
+
+ // parsing options in URI
+ CAResult_t res = CAParseURI(coapUri, &optlist);
+ if (CA_STATUS_OK != res)
+ {
+ if (optlist)
+ {
+ coap_delete_list(optlist);
+ }
+ OICFree(coapUri);
+ return NULL;
+ }
+
+ OICFree(coapUri);
+ }
+ // parsing options in HeadOption
+ CAResult_t ret = CAParseHeadOption(code, info, &optlist);
+ if (CA_STATUS_OK != ret)
+ {
+ coap_delete_list(optlist);
+ return NULL;
+ }
+
+ pdu = CAGeneratePDUImpl((code_t) code, info, endpoint, optlist);
+ if (NULL == pdu)
+ {
+ OIC_LOG(ERROR, TAG, "pdu NULL");
+ coap_delete_list(optlist);
return NULL;
+ }
+
+ // free option list
+ coap_delete_list(optlist);
}
// pdu print method : coap_show_pdu(pdu);
-
+ OIC_LOG(DEBUG, TAG, "OUT");
return pdu;
}
-coap_pdu_t* CAParsePDU(const char* data, uint32_t* outCode)
+coap_pdu_t *CAParsePDU(const char *data, uint32_t length, uint32_t *outCode,
+ const CAEndpoint_t *endpoint)
{
- coap_pdu_t* outpdu = coap_new_pdu();
- coap_pdu_parse((unsigned char *) data, strlen(data), outpdu);
- (*outCode) = (uint32_t) outpdu->hdr->code;
+ OIC_LOG(DEBUG, TAG, "IN");
- return outpdu;
-}
-
-coap_pdu_t* CACreatePDUforRequestWithPayload(const code_t code, coap_list_t *options,
- const char* payload)
-{
- OIC_LOG(DEBUG, TAG, "CACreatePDUforRequestWithPayload");
+ if (NULL == data)
+ {
+ OIC_LOG(ERROR, TAG, "data is null");
+ return NULL;
+ }
- coap_pdu_t *pdu;
- coap_list_t *opt;
- unsigned char _token_data[8];
- str the_token =
- { 0, _token_data };
+ coap_transport_type transport;
+#ifdef TCP_ADAPTER
+ if (CA_ADAPTER_TCP == endpoint->adapter)
+ {
+ transport = coap_get_tcp_header_type_from_initbyte(((unsigned char *)data)[0] >> 4);
+ }
+ else
+#endif
+ {
+ transport = coap_udp;
+ }
- if (!(pdu = coap_new_pdu()))
+ coap_pdu_t *outpdu = coap_new_pdu(transport, length);
+ if (NULL == outpdu)
+ {
+ OIC_LOG(ERROR, TAG, "outpdu is null");
return NULL;
+ }
- /* initialize message id */
- unsigned short message_id;
- prng((unsigned char *)&message_id, sizeof(unsigned short));
-
- pdu->hdr->type = msgtype;
- pdu->hdr->id = htons(++message_id);
- pdu->hdr->code = code;
+ OIC_LOG_V(DEBUG, TAG, "pdu parse-transport type : %d", transport);
- pdu->hdr->token_length = the_token.length;
- if (!coap_add_token(pdu, the_token.length, the_token.s))
+ int ret = coap_pdu_parse((unsigned char *) data, length, outpdu, transport);
+ OIC_LOG_V(DEBUG, TAG, "pdu parse ret: %d", ret);
+ if (0 >= ret)
{
- OIC_LOG(DEBUG, TAG,"cannot add token to request");
+ OIC_LOG(ERROR, TAG, "pdu parse failed");
+ coap_delete_pdu(outpdu);
+ return NULL;
}
- for (opt = options; opt; opt = opt->next)
+#ifdef TCP_ADAPTER
+ if (CA_ADAPTER_TCP == endpoint->adapter)
{
- coap_add_option(pdu, COAP_OPTION_KEY(*(coap_option *)opt->data),
- COAP_OPTION_LENGTH(*(coap_option *)opt->data),
- COAP_OPTION_DATA(*(coap_option *)opt->data));
+ OIC_LOG(INFO, TAG, "there is no version info in coap header");
}
-
- if (NULL != payload)
+ else
+#endif
{
- uint32_t len = strlen(payload);
- if ((flags & CA_FLAGS_BLOCK) == 0)
+ if (outpdu->hdr->coap_hdr_udp_t.version != COAP_DEFAULT_VERSION)
{
- OIC_LOG_V(DEBUG, TAG, "coap_add_data, payload: %s", payload);
- coap_add_data(pdu, len, payload);
+ OIC_LOG_V(ERROR, TAG, "coap version is not available : %d",
+ outpdu->hdr->coap_hdr_udp_t.version);
+ coap_delete_pdu(outpdu);
+ return NULL;
}
- else
+ if (outpdu->hdr->coap_hdr_udp_t.token_length > CA_MAX_TOKEN_LEN)
{
- OIC_LOG_V(DEBUG, TAG, "coap_add_block, payload: %s", payload);
- coap_add_block(pdu, len, payload, block.num, block.szx);
+ OIC_LOG_V(ERROR, TAG, "token length has been exceed : %d",
+ outpdu->hdr->coap_hdr_udp_t.token_length);
+ coap_delete_pdu(outpdu);
+ return NULL;
}
}
- return pdu;
+
+ if (outCode)
+ {
+ (*outCode) = (uint32_t) CA_RESPONSE_CODE(coap_get_code(outpdu, transport));
+ }
+
+ OIC_LOG(DEBUG, TAG, "OUT");
+ return outpdu;
}
-coap_pdu_t* CACreatePDUforRequest(const code_t code, coap_list_t *options)
+coap_pdu_t *CAGeneratePDUImpl(code_t code, const CAInfo_t *info,
+ const CAEndpoint_t *endpoint, coap_list_t *options)
{
- OIC_LOG(DEBUG, TAG, "CACreatePDUforRequest");
+ OIC_LOG(DEBUG, TAG, "IN");
+ VERIFY_NON_NULL_RET(info, TAG, "info", NULL);
+ VERIFY_NON_NULL_RET(endpoint, TAG, "endpoint", NULL);
+
+ coap_transport_type transport;
+ unsigned int length = COAP_MAX_PDU_SIZE;
+#ifdef TCP_ADAPTER
+ unsigned int headerLength = 0;
+ if (CA_ADAPTER_TCP == endpoint->adapter)
+ {
+ if (options)
+ {
+ for (coap_list_t *opt = options; opt; opt = opt->next)
+ {
+ headerLength += COAP_OPTION_LENGTH(*(coap_option *) opt->data) + 1;
+ }
+ }
+
+ if (info->payloadSize > 0)
+ {
+ headerLength = headerLength + info->payloadSize + 1;
+ }
+ transport = coap_get_tcp_header_type_from_size(headerLength);
+ length = headerLength + coap_get_tcp_header_length_for_transport(transport)
+ + info->tokenLength;
+ }
+ else
+#endif
+ {
+ transport = coap_udp;
+ }
- coap_pdu_t *pdu;
- coap_list_t *opt;
- unsigned char _token_data[8];
- str the_token =
- { 0, _token_data };
+ coap_pdu_t *pdu = coap_new_pdu(transport, length);
- if (!(pdu = coap_new_pdu()))
+ if (NULL == pdu)
+ {
+ OIC_LOG(ERROR, TAG, "malloc failed");
return NULL;
+ }
+
+ OIC_LOG_V(DEBUG, TAG, "transport type: %d, payload size: %d",
+ transport, info->payloadSize);
+
+#ifdef TCP_ADAPTER
+ if (CA_ADAPTER_TCP == endpoint->adapter)
+ {
+ coap_add_length(pdu, transport, headerLength);
+ }
+ else
+#endif
+ {
+ OIC_LOG_V(DEBUG, TAG, "msgID is %d", info->messageId);
+ uint16_t message_id;
+ if (0 == info->messageId)
+ {
+ /* initialize message id */
+ prng((uint8_t * ) &message_id, sizeof(message_id));
- /* initialize message id */
- unsigned short message_id;
- prng((unsigned char *)&message_id, sizeof(unsigned short));
+ OIC_LOG_V(DEBUG, TAG, "gen msg id=%d", message_id);
+ }
+ else
+ {
+ /* use saved message id */
+ message_id = info->messageId;
+ }
+ pdu->hdr->coap_hdr_udp_t.id = message_id;
+ OIC_LOG_V(DEBUG, TAG, "messageId in pdu is %d, %d", message_id, pdu->hdr->coap_hdr_udp_t.id);
- pdu->hdr->type = msgtype;
- pdu->hdr->id = htons(++message_id);
- pdu->hdr->code = code;
+ pdu->hdr->coap_hdr_udp_t.type = info->type;
+ }
+
+ coap_add_code(pdu, transport, code);
- pdu->hdr->token_length = the_token.length;
- if (!coap_add_token(pdu, the_token.length, the_token.s))
+ if (info->token && CA_EMPTY != code)
{
- OIC_LOG(DEBUG, TAG, "cannot add token to request");
+ uint32_t tokenLength = info->tokenLength;
+ OIC_LOG_V(DEBUG, TAG, "token info token length: %d, token :", tokenLength);
+ OIC_LOG_BUFFER(DEBUG, TAG, (const uint8_t *)info->token, tokenLength);
+
+ int32_t ret = coap_add_token(pdu, tokenLength, (unsigned char *)info->token, transport);
+ if (0 == ret)
+ {
+ OIC_LOG(ERROR, TAG, "can't add token");
+ }
}
- for (opt = options; opt; opt = opt->next)
+ if (options)
{
- coap_add_option(pdu, COAP_OPTION_KEY(*(coap_option *)opt->data),
- COAP_OPTION_LENGTH(*(coap_option *)opt->data),
- COAP_OPTION_DATA(*(coap_option *)opt->data));
+ for (coap_list_t *opt = options; opt; opt = opt->next)
+ {
+ OIC_LOG_V(DEBUG, TAG, "[%s] opt will be added.",
+ COAP_OPTION_DATA(*(coap_option *) opt->data));
+
+ OIC_LOG_V(DEBUG, TAG, "[%d] pdu length", pdu->length);
+ coap_add_option(pdu, COAP_OPTION_KEY(*(coap_option *) opt->data),
+ COAP_OPTION_LENGTH(*(coap_option *) opt->data),
+ COAP_OPTION_DATA(*(coap_option *) opt->data), transport);
+ }
+ }
+
+ OIC_LOG_V(DEBUG, TAG, "[%d] pdu length after option", pdu->length);
+
+ bool enabledPayload = false;
+#ifndef WITH_BWT
+ enabledPayload = true;
+#endif
+
+ if (enabledPayload || CA_ADAPTER_GATT_BTLE == endpoint->adapter
+#ifdef TCP_ADAPTER
+ || CA_ADAPTER_TCP == endpoint->adapter
+#endif
+ )
+ {
+ if (NULL != info->payload && 0 < info->payloadSize)
+ {
+ OIC_LOG(DEBUG, TAG, "payload is added");
+ coap_add_data(pdu, info->payloadSize, (const unsigned char *) info->payload);
+ }
}
+ OIC_LOG(DEBUG, TAG, "OUT");
return pdu;
}
-void CAParseURI(const char* uriInfo, coap_list_t **optlist)
+CAResult_t CAParseURI(const char *uriInfo, coap_list_t **optlist)
{
- OIC_LOG(DEBUG, TAG, "parse URI");
+ OIC_LOG(DEBUG, TAG, "IN");
- unsigned char portbuf[2];
- unsigned char _buf[CA_BUFSIZE];
- unsigned char *buf = _buf;
- coap_uri_t uri;
- size_t buflen;
- uint32_t res;
+ if (NULL == uriInfo)
+ {
+ OIC_LOG(ERROR, TAG, "uriInfo is null");
+ return CA_STATUS_INVALID_PARAM;
+ }
OIC_LOG_V(DEBUG, TAG, "url : %s", uriInfo);
+ if (NULL == optlist)
+ {
+ OIC_LOG(ERROR, TAG, "optlist is null");
+ return CA_STATUS_INVALID_PARAM;
+ }
+
/* split arg into Uri-* options */
+ coap_uri_t uri;
coap_split_uri((unsigned char *) uriInfo, strlen(uriInfo), &uri);
if (uri.port != COAP_DEFAULT_PORT)
{
- coap_insert(optlist,
- CACreateNewOptionNode(COAP_OPTION_URI_PORT,
- coap_encode_var_bytes(portbuf, uri.port), portbuf), CAOrderOpts);
+ unsigned char portbuf[CA_PORT_BUFFER_SIZE] = { 0 };
+ int ret = coap_insert(optlist,
+ CACreateNewOptionNode(COAP_OPTION_URI_PORT,
+ coap_encode_var_bytes(portbuf, uri.port),
+ (char *)portbuf),
+ CAOrderOpts);
+ if (ret <= 0)
+ {
+ return CA_STATUS_INVALID_PARAM;
+ }
}
- if (uri.path.length)
+ if (uri.path.s && uri.path.length)
{
- buflen = CA_BUFSIZE;
- res = coap_split_path(uri.path.s, uri.path.length, buf, &buflen);
+ CAResult_t ret = CAParseUriPartial(uri.path.s, uri.path.length,
+ COAP_OPTION_URI_PATH, optlist);
+ if (CA_STATUS_OK != ret)
+ {
+ OIC_LOG(ERROR, TAG, "CAParseUriPartial failed(uri path)");
+ return ret;
+ }
+ }
- while (res--)
+ if (uri.query.s && uri.query.length)
+ {
+ CAResult_t ret = CAParseUriPartial(uri.query.s, uri.query.length, COAP_OPTION_URI_QUERY,
+ optlist);
+ if (CA_STATUS_OK != ret)
{
- coap_insert(optlist,
- CACreateNewOptionNode(COAP_OPTION_URI_PATH, COAP_OPT_LENGTH(buf),
- COAP_OPT_VALUE(buf)), CAOrderOpts);
- buf += COAP_OPT_SIZE(buf);
+ OIC_LOG(ERROR, TAG, "CAParseUriPartial failed(uri query)");
+ return ret;
}
}
- if (uri.query.length)
+ OIC_LOG(DEBUG, TAG, "OUT");
+ return CA_STATUS_OK;
+}
+
+CAResult_t CAParseUriPartial(const unsigned char *str, size_t length, int target,
+ coap_list_t **optlist)
+{
+ if (!optlist)
+ {
+ OIC_LOG(ERROR, TAG, "optlist is null");
+ return CA_STATUS_INVALID_PARAM;
+ }
+
+ if ((target != COAP_OPTION_URI_PATH) && (target != COAP_OPTION_URI_QUERY))
+ {
+ // should never occur. Log just in case.
+ OIC_LOG(DEBUG, TAG, "Unexpected URI component.");
+ return CA_NOT_SUPPORTED;
+ }
+ else if (str && length)
{
- buflen = CA_BUFSIZE;
- buf = _buf;
- res = coap_split_query(uri.query.s, uri.query.length, buf, &buflen);
+ unsigned char uriBuffer[CA_BUFSIZE] = { 0 };
+ unsigned char *pBuf = uriBuffer;
+ size_t buflen = sizeof(uriBuffer);
+ int res = (target == COAP_OPTION_URI_PATH) ? coap_split_path(str, length, pBuf, &buflen) :
+ coap_split_query(str, length, pBuf, &buflen);
- while (res--)
+ if (res > 0)
{
- coap_insert(optlist,
- CACreateNewOptionNode(COAP_OPTION_URI_QUERY, COAP_OPT_LENGTH(buf),
- COAP_OPT_VALUE(buf)), CAOrderOpts);
+ size_t prevIdx = 0;
+ while (res--)
+ {
+ int ret = coap_insert(optlist,
+ CACreateNewOptionNode(target, COAP_OPT_LENGTH(pBuf),
+ (char *)COAP_OPT_VALUE(pBuf)),
+ CAOrderOpts);
+ if (ret <= 0)
+ {
+ return CA_STATUS_INVALID_PARAM;
+ }
- buf += COAP_OPT_SIZE(buf);
+ size_t optSize = COAP_OPT_SIZE(pBuf);
+ if ((prevIdx + optSize) < buflen)
+ {
+ pBuf += optSize;
+ prevIdx += optSize;
+ }
+ }
+ }
+ else
+ {
+ OIC_LOG_V(ERROR, TAG, "Problem parsing URI : %d for %d", res, target);
+ return CA_STATUS_FAILED;
}
}
+ else
+ {
+ OIC_LOG(ERROR, TAG, "str or length is not available");
+ return CA_STATUS_FAILED;
+ }
+ return CA_STATUS_OK;
}
-void CAParseHeadOption(const uint32_t code, const CAInfo_t info, coap_list_t **optlist)
+CAResult_t CAParseHeadOption(uint32_t code, const CAInfo_t *info, coap_list_t **optlist)
{
- OIC_LOG_V(DEBUG, TAG, "start parse Head Option : %d", info.numOptions);
+ (void)code;
+ OIC_LOG(DEBUG, TAG, "IN");
+ VERIFY_NON_NULL_RET(info, TAG, "info is NULL", CA_STATUS_INVALID_PARAM);
- uint32_t i;
- for (i = 0; i < info.numOptions; i++)
+ OIC_LOG_V(DEBUG, TAG, "parse Head Opt: %d", info->numOptions);
+
+ if (!optlist)
{
- coap_insert(optlist,
- CACreateNewOptionNode(info.options->optionID, info.options->optionLength,
- info.options->optionData), CAOrderOpts);
+ OIC_LOG(ERROR, TAG, "optlist is null");
+ return CA_STATUS_INVALID_PARAM;
}
+
+ for (uint32_t i = 0; i < info->numOptions; i++)
+ {
+ if(!(info->options + i))
+ {
+ OIC_LOG(ERROR, TAG, "options is not available");
+ return CA_STATUS_FAILED;
+ }
+
+ uint32_t id = (info->options + i)->optionID;
+ if (COAP_OPTION_URI_PATH == id || COAP_OPTION_URI_QUERY == id)
+ {
+ OIC_LOG_V(DEBUG, TAG, "not Header Opt: %d", id);
+ }
+ else
+ {
+ OIC_LOG_V(DEBUG, TAG, "Head opt ID: %d", id);
+ OIC_LOG_V(DEBUG, TAG, "Head opt data: %s", (info->options + i)->optionData);
+ OIC_LOG_V(DEBUG, TAG, "Head opt length: %d", (info->options + i)->optionLength);
+ int ret = coap_insert(optlist,
+ CACreateNewOptionNode(id, (info->options + i)->optionLength,
+ (info->options + i)->optionData),
+ CAOrderOpts);
+ if (ret <= 0)
+ {
+ return CA_STATUS_INVALID_PARAM;
+ }
+ }
+ }
+
+ // insert one extra header with the payload format if applicable.
+ if (CA_FORMAT_UNDEFINED != info->payloadFormat)
+ {
+ coap_list_t* node = NULL;
+ uint8_t buf[3] = {0};
+ switch (info->payloadFormat) {
+ case CA_FORMAT_APPLICATION_CBOR:
+ node = CACreateNewOptionNode(
+ COAP_OPTION_CONTENT_FORMAT,
+ coap_encode_var_bytes(buf, (uint16_t)COAP_MEDIATYPE_APPLICATION_CBOR),
+ (char *)buf);
+ break;
+ default:
+ OIC_LOG_V(ERROR, TAG, "format option:[%d] not supported", info->payloadFormat);
+ }
+ if (!node)
+ {
+ OIC_LOG(ERROR, TAG, "format option not created");
+ return CA_STATUS_INVALID_PARAM;
+ }
+ int ret = coap_insert(optlist, node, CAOrderOpts);
+ if (ret <= 0)
+ {
+ coap_delete(node);
+ OIC_LOG(ERROR, TAG, "format option not inserted in header");
+ return CA_STATUS_INVALID_PARAM;
+ }
+ }
+ if (CA_FORMAT_UNDEFINED != info->acceptFormat)
+ {
+ coap_list_t* node = NULL;
+ uint8_t buf[3] = {0};
+ switch (info->acceptFormat) {
+ case CA_FORMAT_APPLICATION_CBOR:
+ node = CACreateNewOptionNode(
+ COAP_OPTION_ACCEPT,
+ coap_encode_var_bytes(buf, (uint16_t)COAP_MEDIATYPE_APPLICATION_CBOR),
+ (char *)buf);
+ break;
+ default:
+ OIC_LOG_V(ERROR, TAG, "format option:[%d] not supported", info->acceptFormat);
+ }
+ if (!node)
+ {
+ OIC_LOG(ERROR, TAG, "format option not created");
+ return CA_STATUS_INVALID_PARAM;
+ }
+ int ret = coap_insert(optlist, node, CAOrderOpts);
+ if (ret <= 0)
+ {
+ coap_delete(node);
+ OIC_LOG(ERROR, TAG, "format option not inserted in header");
+ return CA_STATUS_INVALID_PARAM;
+ }
+ }
+
+ OIC_LOG(DEBUG, TAG, "OUT");
+ return CA_STATUS_OK;
}
-coap_list_t* CACreateNewOptionNode(const uint16_t key, const uint32_t length, const uint8_t *data)
+coap_list_t *CACreateNewOptionNode(uint16_t key, uint32_t length, const char *data)
{
- coap_option *option;
- coap_list_t *node;
+ OIC_LOG(DEBUG, TAG, "IN");
+
+ if (!data)
+ {
+ OIC_LOG(ERROR, TAG, "invalid pointer parameter");
+ return NULL;
+ }
- option = coap_malloc(sizeof(coap_option) + length);
+ coap_option *option = coap_malloc(sizeof(coap_option) + length + 1);
if (!option)
- goto error;
+ {
+ OIC_LOG(ERROR, TAG, "Out of memory");
+ return NULL;
+ }
+ memset(option, 0, sizeof(coap_option) + length + 1);
COAP_OPTION_KEY(*option) = key;
- COAP_OPTION_LENGTH(*option) = length;
- memcpy(COAP_OPTION_DATA(*option), data, length);
+
+ coap_option_def_t* def = coap_opt_def(key);
+ if (NULL != def && coap_is_var_bytes(def))
+ {
+ if (length > def->max)
+ {
+ // make sure we shrink the value so it fits the coap option definition
+ // by truncating the value, disregard the leading bytes.
+ OIC_LOG_V(DEBUG, TAG, "Option [%d] data size [%d] shrunk to [%d]",
+ def->key, length, def->max);
+ data = &(data[length-def->max]);
+ length = def->max;
+ }
+ // Shrink the encoding length to a minimum size for coap
+ // options that support variable length encoding.
+ COAP_OPTION_LENGTH(*option) = coap_encode_var_bytes(
+ COAP_OPTION_DATA(*option),
+ coap_decode_var_bytes((unsigned char *)data, length));
+ }
+ else
+ {
+ COAP_OPTION_LENGTH(*option) = length;
+ memcpy(COAP_OPTION_DATA(*option), data, length);
+ }
/* we can pass NULL here as delete function since option is released automatically */
- node = coap_new_listnode(option, NULL);
+ coap_list_t *node = coap_new_listnode(option, NULL);
- if (node)
- return node;
+ if (!node)
+ {
+ OIC_LOG(ERROR, TAG, "node is NULL");
+ coap_free(option);
+ return NULL;
+ }
- error: perror("new_option_node: malloc");
- coap_free( option);
- return NULL;
+ OIC_LOG(DEBUG, TAG, "OUT");
+ return node;
}
-int32_t CAOrderOpts(void *a, void *b)
+int CAOrderOpts(void *a, void *b)
{
+ OIC_LOG(DEBUG, TAG, "IN");
if (!a || !b)
+ {
return a < b ? -1 : 1;
+ }
- if (COAP_OPTION_KEY(*(coap_option *)a) < COAP_OPTION_KEY(*(coap_option *)b))
+ if (COAP_OPTION_KEY(*(coap_option *) a) < COAP_OPTION_KEY(*(coap_option * ) b))
+ {
return -1;
+ }
- return COAP_OPTION_KEY(*(coap_option *)a) == COAP_OPTION_KEY(*(coap_option *)b);
+ OIC_LOG(DEBUG, TAG, "OUT");
+ return COAP_OPTION_KEY(*(coap_option *) a) == COAP_OPTION_KEY(*(coap_option * ) b);
}
-void CAGetRequestPDUInfo(const coap_pdu_t *pdu, uint32_t* outCode, CAInfo_t* outInfo)
+uint32_t CAGetOptionCount(coap_opt_iterator_t opt_iter)
{
- unsigned char buf[COAP_MAX_PDU_SIZE]; /* need some space for output creation */
- uint32_t encode = 0;
- coap_opt_iterator_t opt_iter;
- coap_opt_t *option;
- char optionResult[CA_URI_MAX_SIZE] =
- { 0, };
+ OIC_LOG(DEBUG, TAG, "IN");
uint32_t count = 0;
- uint32_t isfirstsetflag = 0;
-
- /* show options, if any */
- coap_option_iterator_init((coap_pdu_t *) pdu, &opt_iter, COAP_OPT_ALL);
+ coap_opt_t *option;
- memset(optionResult, 0, sizeof(optionResult));
while ((option = coap_option_next(&opt_iter)))
{
+ if (COAP_OPTION_URI_PATH != opt_iter.type && COAP_OPTION_URI_QUERY != opt_iter.type
+ && COAP_OPTION_BLOCK1 != opt_iter.type && COAP_OPTION_BLOCK2 != opt_iter.type
+ && COAP_OPTION_SIZE1 != opt_iter.type && COAP_OPTION_SIZE2 != opt_iter.type
+ && COAP_OPTION_CONTENT_FORMAT != opt_iter.type
+ && COAP_OPTION_ACCEPT != opt_iter.type)
+ {
+ count++;
+ }
+ }
+
+ OIC_LOG(DEBUG, TAG, "OUT");
+ return count;
+}
+
+CAResult_t CAGetInfoFromPDU(const coap_pdu_t *pdu, const CAEndpoint_t *endpoint,
+ uint32_t *outCode, CAInfo_t *outInfo)
+{
+ OIC_LOG(DEBUG, TAG, "IN");
+
+ if (!pdu || !outCode || !outInfo)
+ {
+ OIC_LOG(ERROR, TAG, "NULL pointer param");
+ return CA_STATUS_INVALID_PARAM;
+ }
+
+ coap_transport_type transport;
+#ifdef TCP_ADAPTER
+ if (CA_ADAPTER_TCP == endpoint->adapter)
+ {
+ transport = coap_get_tcp_header_type_from_initbyte(((unsigned char *)pdu->hdr)[0] >> 4);
+ }
+ else
+#endif
+ {
+ transport = coap_udp;
+ }
+
+ coap_opt_iterator_t opt_iter;
+ coap_option_iterator_init((coap_pdu_t *) pdu, &opt_iter, COAP_OPT_ALL, transport);
+
+ if (outCode)
+ {
+ (*outCode) = (uint32_t) CA_RESPONSE_CODE(coap_get_code(pdu, transport));
+ }
+
+ // init HeaderOption list
+ uint32_t count = CAGetOptionCount(opt_iter);
+ memset(outInfo, 0, sizeof(*outInfo));
+
+ outInfo->numOptions = count;
- if (print_readable(COAP_OPT_VALUE(option), COAP_OPT_LENGTH(option), buf, sizeof(buf),
- encode))
+#ifdef TCP_ADAPTER
+ if (CA_ADAPTER_TCP == endpoint->adapter)
+ {
+ // set type
+ outInfo->type = CA_MSG_NONCONFIRM;
+ outInfo->payloadFormat = CA_FORMAT_UNDEFINED;
+ }
+ else
+#endif
+ {
+ // set type
+ outInfo->type = pdu->hdr->coap_hdr_udp_t.type;
+
+ // set message id
+ outInfo->messageId = pdu->hdr->coap_hdr_udp_t.id;
+ outInfo->payloadFormat = CA_FORMAT_UNDEFINED;
+ outInfo->acceptFormat = CA_FORMAT_UNDEFINED;
+ }
+
+ if (count > 0)
+ {
+ outInfo->options = (CAHeaderOption_t *) OICCalloc(count, sizeof(CAHeaderOption_t));
+ if (NULL == outInfo->options)
{
- if (opt_iter.type == COAP_OPTION_URI_PATH || opt_iter.type == COAP_OPTION_URI_QUERY)
+ OIC_LOG(ERROR, TAG, "Out of memory");
+ return CA_MEMORY_ALLOC_FAILED;
+ }
+ }
+
+ coap_opt_t *option;
+ char optionResult[CA_MAX_URI_LENGTH] = {0};
+ uint32_t idx = 0;
+ uint32_t optionLength = 0;
+ bool isfirstsetflag = false;
+ bool isQueryBeingProcessed = false;
+
+ while ((option = coap_option_next(&opt_iter)))
+ {
+ char buf[COAP_MAX_PDU_SIZE] = {0};
+ uint32_t bufLength =
+ CAGetOptionData(opt_iter.type, (uint8_t *)(COAP_OPT_VALUE(option)),
+ COAP_OPT_LENGTH(option), (uint8_t *)buf, sizeof(buf));
+ if (bufLength)
+ {
+ OIC_LOG_V(DEBUG, TAG, "COAP URI element : %s", buf);
+ if (COAP_OPTION_URI_PATH == opt_iter.type || COAP_OPTION_URI_QUERY == opt_iter.type)
{
- if (0 == isfirstsetflag)
+ if (false == isfirstsetflag)
{
- isfirstsetflag = 1;
- memcpy(optionResult + count, buf, strlen(buf));
- count += strlen(buf);
-
+ isfirstsetflag = true;
+ optionResult[optionLength] = '/';
+ optionLength++;
+ // Make sure there is enough room in the optionResult buffer
+ if ((optionLength + bufLength) < sizeof(optionResult))
+ {
+ memcpy(&optionResult[optionLength], buf, bufLength);
+ optionLength += bufLength;
+ }
+ else
+ {
+ goto exit;
+ }
}
else
{
- if (opt_iter.type == COAP_OPTION_URI_PATH)
+ if (COAP_OPTION_URI_PATH == opt_iter.type)
+ {
+ // Make sure there is enough room in the optionResult buffer
+ if (optionLength < sizeof(optionResult))
+ {
+ optionResult[optionLength] = '/';
+ optionLength++;
+ }
+ else
+ {
+ goto exit;
+ }
+ }
+ else if (COAP_OPTION_URI_QUERY == opt_iter.type)
+ {
+ if (false == isQueryBeingProcessed)
+ {
+ // Make sure there is enough room in the optionResult buffer
+ if (optionLength < sizeof(optionResult))
+ {
+ optionResult[optionLength] = '?';
+ optionLength++;
+ isQueryBeingProcessed = true;
+ }
+ else
+ {
+ goto exit;
+ }
+ }
+ else
+ {
+ // Make sure there is enough room in the optionResult buffer
+ if (optionLength < sizeof(optionResult))
+ {
+ optionResult[optionLength] = ';';
+ optionLength++;
+ }
+ else
+ {
+ goto exit;
+ }
+ }
+ }
+ // Make sure there is enough room in the optionResult buffer
+ if ((optionLength + bufLength) < sizeof(optionResult))
{
- memcpy(optionResult + count, "/", 1);
- count++;
+ memcpy(&optionResult[optionLength], buf, bufLength);
+ optionLength += bufLength;
}
- else if (opt_iter.type == COAP_OPTION_URI_QUERY)
+ else
{
- memcpy(optionResult + count, "?", 1);
- count++;
+ goto exit;
+ }
+ }
+ }
+ else if (COAP_OPTION_BLOCK1 == opt_iter.type || COAP_OPTION_BLOCK2 == opt_iter.type
+ || COAP_OPTION_SIZE1 == opt_iter.type || COAP_OPTION_SIZE2 == opt_iter.type)
+ {
+ OIC_LOG_V(DEBUG, TAG, "option[%d] will be filtering", opt_iter.type);
+ }
+ else if (COAP_OPTION_CONTENT_FORMAT == opt_iter.type)
+ {
+ if (1 == COAP_OPT_LENGTH(option))
+ {
+ outInfo->payloadFormat = CAConvertFormat((uint8_t)buf[0]);
+ }
+ else
+ {
+ outInfo->payloadFormat = CA_FORMAT_UNSUPPORTED;
+ OIC_LOG_V(DEBUG, TAG, "option[%d] has an unsupported format [%d]",
+ opt_iter.type, (uint8_t)buf[0]);
+ }
+ }
+ else if (COAP_OPTION_ACCEPT == opt_iter.type)
+ {
+ if (1 == COAP_OPT_LENGTH(option))
+ {
+ outInfo->acceptFormat = CAConvertFormat((uint8_t)buf[0]);
+ }
+ else
+ {
+ outInfo->acceptFormat = CA_FORMAT_UNSUPPORTED;
+ }
+ OIC_LOG_V(DEBUG, TAG, "option[%d] has an unsupported format [%d]",
+ opt_iter.type, (uint8_t)buf[0]);
+ }
+ else
+ {
+ if (idx < count)
+ {
+ if (bufLength <= sizeof(outInfo->options[0].optionData))
+ {
+ outInfo->options[idx].optionID = opt_iter.type;
+ outInfo->options[idx].optionLength = bufLength;
+ outInfo->options[idx].protocolID = CA_COAP_ID;
+ memcpy(outInfo->options[idx].optionData, buf, bufLength);
+ idx++;
}
- memcpy(optionResult + count, buf, strlen(buf));
- count += strlen(buf);
}
}
}
}
- OIC_LOG(DEBUG, TAG, "set CAInfo_t after parsing");
+ unsigned char* token = NULL;
+ unsigned int token_length = 0;
+ coap_get_token(pdu->hdr, transport, &token, &token_length);
- // set pdu info
- (*outCode) = (uint32_t) pdu->hdr->code;
- memset(outInfo, 0, sizeof(CAInfo_t));
+ // set token data
+ if (token_length > 0)
+ {
+ OIC_LOG_V(DEBUG, TAG, "inside token length : %d", token_length);
+ outInfo->token = (char *) OICMalloc(token_length);
+ if (NULL == outInfo->token)
+ {
+ OIC_LOG(ERROR, TAG, "Out of memory");
+ OICFree(outInfo->options);
+ return CA_MEMORY_ALLOC_FAILED;
+ }
+ memcpy(outInfo->token, token, token_length);
+ }
- outInfo->options = (CAHeaderOption_t*) OICMalloc(sizeof(CAHeaderOption_t));
- memset(outInfo->options, 0, sizeof(CAHeaderOption_t));
+ outInfo->tokenLength = token_length;
- outInfo->options->optionID = opt_iter.type;
- outInfo->options->optionLength = count;
- memcpy(outInfo->options->optionData, optionResult, CA_MAX_HEADER_OPTION_DATA_LENGTH);
+ // set payload data
+ size_t dataSize;
+ uint8_t *data;
+ if (coap_get_data(pdu, &dataSize, &data))
+ {
+ OIC_LOG(DEBUG, TAG, "inside pdu->data");
+ outInfo->payload = (uint8_t *) OICMalloc(dataSize);
+ if (NULL == outInfo->payload)
+ {
+ OIC_LOG(ERROR, TAG, "Out of memory");
+ OICFree(outInfo->options);
+ OICFree(outInfo->token);
+ return CA_MEMORY_ALLOC_FAILED;
+ }
+ memcpy(outInfo->payload, pdu->data, dataSize);
+ outInfo->payloadSize = dataSize;
+ }
- if (pdu->hdr->token_length > 0)
+ if (optionResult[0] != '\0')
{
- outInfo->token = (char*) OICMalloc(pdu->hdr->token_length);
- memcpy(outInfo->token, pdu->hdr->token, pdu->hdr->token_length);
+ OIC_LOG_V(DEBUG, TAG, "URL length:%d", strlen(optionResult));
+ outInfo->resourceUri = OICStrdup(optionResult);
+ if (!outInfo->resourceUri)
+ {
+ OIC_LOG(ERROR, TAG, "Out of memory");
+ OICFree(outInfo->options);
+ OICFree(outInfo->token);
+ return CA_MEMORY_ALLOC_FAILED;
+ }
}
- if (NULL != pdu->data)
+ OIC_LOG(DEBUG, TAG, "OUT");
+ return CA_STATUS_OK;
+
+exit:
+ OIC_LOG(ERROR, TAG, "buffer too small");
+ OICFree(outInfo->options);
+ return CA_STATUS_FAILED;
+}
+
+CAResult_t CAGetTokenFromPDU(const coap_hdr_t *pdu_hdr, CAInfo_t *outInfo,
+ const CAEndpoint_t *endpoint)
+{
+ OIC_LOG(DEBUG, TAG, "IN");
+ if (NULL == pdu_hdr)
+ {
+ OIC_LOG(ERROR, TAG, "pdu_hdr is null");
+ return CA_STATUS_INVALID_PARAM;
+ }
+
+ if (NULL == outInfo)
+ {
+ OIC_LOG(ERROR, TAG, "outInfo is null");
+ return CA_STATUS_INVALID_PARAM;
+ }
+
+ coap_transport_type transport;
+#ifdef TCP_ADAPTER
+ if (CA_ADAPTER_TCP == endpoint->adapter)
{
- outInfo->payload = (char*) OICMalloc(strlen(pdu->data) + 1);
- memcpy(outInfo->payload, pdu->data, strlen(pdu->data) + 1);
+ transport = coap_get_tcp_header_type_from_initbyte(((unsigned char *)pdu_hdr)[0] >> 4);
}
+ else
+#endif
+ {
+ transport = coap_udp;
+ }
+
+ unsigned char* token = NULL;
+ unsigned int token_length = 0;
+ coap_get_token(pdu_hdr, transport, &token, &token_length);
+
+ // set token data
+ if (token_length > 0)
+ {
+ OIC_LOG_V(DEBUG, TAG, "token len:%d", token_length);
+ outInfo->token = (char *) OICMalloc(token_length);
+ if (NULL == outInfo->token)
+ {
+ OIC_LOG(ERROR, TAG, "Out of memory");
+ return CA_MEMORY_ALLOC_FAILED;
+ }
+ memcpy(outInfo->token, token, token_length);
+ }
+
+ outInfo->tokenLength = token_length;
+
+ OIC_LOG(DEBUG, TAG, "OUT");
+
+ return CA_STATUS_OK;
}
-CAResult_t CAGenerateTokenInternal(CAToken_t* token)
+CAResult_t CAGenerateTokenInternal(CAToken_t *token, uint8_t tokenLength)
{
- OIC_LOG(DEBUG, TAG, "generate the token");
+ OIC_LOG(DEBUG, TAG, "IN");
+
+ if (!token)
+ {
+ OIC_LOG(ERROR, TAG, "invalid token pointer");
+ return CA_STATUS_INVALID_PARAM;
+ }
+ if ((tokenLength > CA_MAX_TOKEN_LEN) || (0 == tokenLength))
+ {
+ OIC_LOG(ERROR, TAG, "invalid token length");
+ return CA_STATUS_INVALID_PARAM;
+ }
+
+ if (SEED == 0)
+ {
+#ifdef ARDUINO
+ SEED = now();
+#else
+ SEED = time(NULL);
+#endif
+ if (SEED == (unsigned int)((time_t)-1))
+ {
+ OIC_LOG(ERROR, TAG, "seed is not made");
+ SEED = 0;
+ return CA_STATUS_FAILED;
+ }
+#if HAVE_SRANDOM
+ srandom(SEED);
+#else
+ srand(SEED);
+#endif
+ }
+
+ // memory allocation
+ char *temp = (char *) OICCalloc(tokenLength, sizeof(char));
+ if (NULL == temp)
+ {
+ OIC_LOG(ERROR, TAG, "Out of memory");
+ return CA_MEMORY_ALLOC_FAILED;
+ }
+
+ // set random byte
+ for (uint8_t index = 0; index < tokenLength; index++)
+ {
+ // use valid characters
+#ifdef ARDUINO
+ temp[index] = rand() & 0x00FF;
+#else
+ temp[index] = random() & 0x00FF;
+#endif
+ }
+
+ // save token
+ *token = temp;
+
+ OIC_LOG_V(DEBUG, TAG, "token len:%d, token:", tokenLength);
+ OIC_LOG_BUFFER(DEBUG, TAG, (const uint8_t *)(*token), tokenLength);
+
+ OIC_LOG(DEBUG, TAG, "OUT");
return CA_STATUS_OK;
}
void CADestroyTokenInternal(CAToken_t token)
{
- OIC_LOG(DEBUG, TAG, "destroy the token!!");
+ OIC_LOG(DEBUG, TAG, "IN");
+ OICFree(token);
+ OIC_LOG(DEBUG, TAG, "OUT");
+}
+
+void CADestroyInfo(CAInfo_t *info)
+{
+ OIC_LOG(DEBUG, TAG, "IN");
+
+ if (NULL != info)
+ {
+ OIC_LOG(DEBUG, TAG, "free options");
+ OICFree(info->options);
+
+ OIC_LOG(DEBUG, TAG, "free token");
+ OICFree(info->token);
+
+ OIC_LOG(DEBUG, TAG, "free payload");
+ OICFree(info->payload);
+ }
+
+ OIC_LOG(DEBUG, TAG, "OUT");
+}
+
+uint32_t CAGetOptionData(uint16_t key, const uint8_t *data, uint32_t len,
+ uint8_t *option, uint32_t buflen)
+{
+ if (0 == buflen)
+ {
+ OIC_LOG(ERROR, TAG, "buflen 0");
+ return 0;
+ }
+
+ if (buflen <= len)
+ {
+ OIC_LOG(ERROR, TAG, "option buffer too small");
+ return 0;
+ }
+
+ coap_option_def_t* def = coap_opt_def(key);
+ if(NULL != def && coap_is_var_bytes(def) && 0 == len) {
+ // A 0 length option is permitted in CoAP but the
+ // rest or the stack is unaware of variable byte encoding
+ // should remain that way so a 0 byte of length 1 is inserted.
+ len = 1;
+ option[0]=0;
+ } else {
+ memcpy(option, data, len);
+ option[len] = '\0';
+ }
+
+ return len;
+}
- if (token != NULL)
+CAMessageType_t CAGetMessageTypeFromPduBinaryData(const void *pdu, uint32_t size)
+{
+ if (NULL == pdu)
+ {
+ OIC_LOG(ERROR, TAG, "pdu is null");
+ return CA_MSG_NONCONFIRM;
+ }
+
+ // pdu minimum size is 4 byte.
+ if (size < CA_PDU_MIN_SIZE)
+ {
+ OIC_LOG(ERROR, TAG, "min size");
+ return CA_MSG_NONCONFIRM;
+ }
+
+ coap_hdr_t *hdr = (coap_hdr_t *) pdu;
+
+ return (CAMessageType_t) hdr->coap_hdr_udp_t.type;
+}
+
+uint16_t CAGetMessageIdFromPduBinaryData(const void *pdu, uint32_t size)
+{
+ if (NULL == pdu)
+ {
+ OIC_LOG(ERROR, TAG, "pdu is null");
+ return 0;
+ }
+
+ // pdu minimum size is 4 byte.
+ if (size < CA_PDU_MIN_SIZE)
+ {
+ OIC_LOG(ERROR, TAG, "min size");
+ return 0;
+ }
+
+ coap_hdr_t *hdr = (coap_hdr_t *) pdu;
+
+ return hdr->coap_hdr_udp_t.id;
+}
+
+CAResponseResult_t CAGetCodeFromPduBinaryData(const void *pdu, uint32_t size)
+{
+ if (NULL == pdu)
+ {
+ OIC_LOG(ERROR, TAG, "pdu is null");
+ return CA_NOT_FOUND;
+ }
+
+ // pdu minimum size is 4 byte.
+ if (size < CA_PDU_MIN_SIZE)
+ {
+ OIC_LOG(ERROR, TAG, "min size");
+ return CA_NOT_FOUND;
+ }
+
+ coap_hdr_t *hdr = (coap_hdr_t *) pdu;
+
+ return (CAResponseResult_t) CA_RESPONSE_CODE(hdr->coap_hdr_udp_t.code);
+}
+
+CAPayloadFormat_t CAConvertFormat(uint8_t format)
+{
+ switch (format)
{
- OICFree(token);
+ case COAP_MEDIATYPE_TEXT_PLAIN:
+ return CA_FORMAT_TEXT_PLAIN;
+ case COAP_MEDIATYPE_APPLICATION_LINK_FORMAT:
+ return CA_FORMAT_APPLICATION_LINK_FORMAT;
+ case COAP_MEDIATYPE_APPLICATION_XML:
+ return CA_FORMAT_APPLICATION_XML;
+ case COAP_MEDIATYPE_APPLICATION_OCTET_STREAM:
+ return CA_FORMAT_APPLICATION_OCTET_STREAM;
+ case COAP_MEDIATYPE_APPLICATION_RDF_XML:
+ return CA_FORMAT_APPLICATION_RDF_XML;
+ case COAP_MEDIATYPE_APPLICATION_EXI:
+ return CA_FORMAT_APPLICATION_EXI;
+ case COAP_MEDIATYPE_APPLICATION_JSON:
+ return CA_FORMAT_APPLICATION_JSON;
+ case COAP_MEDIATYPE_APPLICATION_CBOR:
+ return CA_FORMAT_APPLICATION_CBOR;
+ default:
+ return CA_FORMAT_UNSUPPORTED;
}
}