*
******************************************************************/
+// 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
+#define _BSD_SOURCE
+
+// Include files from the arduino platform do not provide these conversions:
+#ifdef ARDUINO
+#define htons(x) ( ((x)<< 8 & 0xFF00) | ((x)>> 8 & 0x00FF) )
+#define ntohs(x) htons(x)
+#else
+#define HAVE_TIME_H 1
+#endif
+
#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"
-#define TAG PCF("CA")
+// ARM GCC compiler doesnt define srandom function.
+#if defined(ARDUINO) && !defined(ARDUINO_ARCH_SAM)
+#define HAVE_SRANDOM 1
+#endif
+
+#define TAG "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 uint32_t SEED = 0;
+
+CAResult_t CAGetRequestInfoFromPDU(const coap_pdu_t *pdu, CARequestInfo_t *outReqInfo,
+ char *outUri, uint32_t buflen)
{
- OIC_LOG(DEBUG, TAG, "get request info from PDU");
- if (NULL == pdu)
- return 0;
+ OIC_LOG(DEBUG, TAG, "IN");
+
+ if (NULL == pdu || NULL == outReqInfo || NULL == outUri)
+ {
+ OIC_LOG(ERROR, TAG, "parameter is null");
+ return CA_STATUS_INVALID_PARAM;
+ }
uint32_t code = CA_NOT_FOUND;
- CAGetRequestPDUInfo(pdu, &code, &(outReqInfo->info));
+
+ OIC_LOG_V(DEBUG, TAG, "buffer length : %d", buflen);
+ CAResult_t ret = CAGetInfoFromPDU(pdu, &code, &(outReqInfo->info), outUri, buflen);
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,
+ char *outUri, uint32_t buflen)
{
- OIC_LOG(DEBUG, TAG, "get response info from PDU");
- if (NULL == pdu)
- return 0;
+ OIC_LOG(DEBUG, TAG, "IN");
+
+ if (NULL == pdu || NULL == outResInfo || NULL == outUri)
+ {
+ 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, &code, &(outResInfo->info), outUri, buflen);
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)
+coap_pdu_t *CAGeneratePDU(const char *uri, uint32_t code, const CAInfo_t info)
{
- OIC_LOG(DEBUG, TAG, "generate PDU");
+ OIC_LOG(DEBUG, TAG, "IN");
- coap_pdu_t *pdu;
- char* coapUri = NULL;
- uint32_t coapHeaderLength = 12;
- uint32_t length;
- coap_list_t *optlist = NULL;
+ coap_pdu_t *pdu = NULL;
- if (NULL == uri)
- return NULL;
+ // 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))
+ {
+ OIC_LOG(DEBUG, TAG, "code is empty");
+ if (!(pdu = CAGeneratePDUImpl((code_t) code, NULL, info, NULL, 0)))
+ {
+ OIC_LOG(ERROR, TAG, "pdu NULL");
+ return NULL;
+ }
+ }
+ else
+ {
+ coap_list_t *optlist = NULL;
- length = strlen(uri);
- coapUri = (char*) OICMalloc(length + coapHeaderLength + 1);
- memset(coapUri, 0, length + coapHeaderLength + 1);
+ if (CA_MSG_ACKNOWLEDGE != info.type)
+ {
+ if (NULL == uri)
+ {
+ OIC_LOG(ERROR, TAG, "uri NULL");
+ return NULL;
+ }
- if (NULL != coapUri)
- {
+ uint32_t length = strlen(uri);
+ if (CA_MAX_URI_LENGTH < length)
+ {
+ OIC_LOG(ERROR, TAG, "URI len err");
+ return NULL;
+ }
- memcpy(coapUri, "coap://[::]/", coapHeaderLength);
- memcpy(coapUri + coapHeaderLength, uri, length);
+ 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;
+ }
+ strcat(coapUri, COAP_URI_HEADER);
+ strcat(coapUri, uri);
- // parsing options in URI
- CAParseURI(coapUri, &optlist);
+ // 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
- if (NULL != &info)
+ CAResult_t ret = CAParseHeadOption(code, info, &optlist);
+ if (CA_STATUS_OK != ret)
{
- CAParseHeadOption(code, info, &optlist);
- }
-
- OICFree(coapUri);
- }
-
- if (NULL != info.payload)
- {
- if (!(pdu = CACreatePDUforRequestWithPayload((code_t) code, optlist, info.payload)))
+ coap_delete_list(optlist);
return NULL;
- }
- else
- {
- if (!(pdu = CACreatePDUforRequest((code_t) code, optlist)))
+ }
+ size_t lenPayload = info.payload ? strlen(info.payload) : 0;
+ pdu = CAGeneratePDUImpl((code_t) code, optlist, info, info.payload, lenPayload);
+ 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* outpdu = coap_new_pdu();
- coap_pdu_parse((unsigned char *) data, strlen(data), outpdu);
- (*outCode) = (uint32_t) outpdu->hdr->code;
-
- return outpdu;
-}
-
-coap_pdu_t* CACreatePDUforRequestWithPayload(const code_t code, coap_list_t *options,
- const char* payload)
+coap_pdu_t *CAParsePDU(const char *data, uint32_t length, uint32_t *outCode)
{
- OIC_LOG(DEBUG, TAG, "CACreatePDUforRequestWithPayload");
-
- coap_pdu_t *pdu;
- coap_list_t *opt;
- unsigned char _token_data[8];
- str the_token =
- { 0, _token_data };
+ OIC_LOG(DEBUG, TAG, "IN");
- if (!(pdu = coap_new_pdu()))
+ if (NULL == data)
+ {
+ OIC_LOG(ERROR, TAG, "data 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;
-
- pdu->hdr->token_length = the_token.length;
- if (!coap_add_token(pdu, the_token.length, the_token.s))
+ coap_pdu_t *outpdu = coap_new_pdu();
+ if (NULL == outpdu)
{
- OIC_LOG(DEBUG, TAG,"cannot add token to request");
+ OIC_LOG(ERROR, TAG, "outpdu is null");
+ return NULL;
}
- for (opt = options; opt; opt = opt->next)
+ if (0 >= coap_pdu_parse((unsigned char *) data, length, outpdu))
{
- 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(ERROR, TAG, "pdu parse failed");
+ coap_delete_pdu(outpdu);
+ return NULL;
}
- if (NULL != payload)
+ if (outCode)
{
- uint32_t len = strlen(payload);
- if ((flags & CA_FLAGS_BLOCK) == 0)
- {
- OIC_LOG_V(DEBUG, TAG, "coap_add_data, payload: %s", payload);
- coap_add_data(pdu, len, payload);
- }
- else
- {
- OIC_LOG_V(DEBUG, TAG, "coap_add_block, payload: %s", payload);
- coap_add_block(pdu, len, payload, block.num, block.szx);
- }
+ (*outCode) = (uint32_t) CA_RESPONSE_CODE(outpdu->hdr->code);
}
- return pdu;
+
+ 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, coap_list_t *options, const CAInfo_t info,
+ const char *payload, size_t payloadSize)
{
- OIC_LOG(DEBUG, TAG, "CACreatePDUforRequest");
+ OIC_LOG(DEBUG, TAG, "IN");
- 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();
- if (!(pdu = coap_new_pdu()))
+ if (NULL == pdu)
+ {
+ OIC_LOG(ERROR, TAG, "malloc failed");
return NULL;
+ }
- /* initialize message id */
- unsigned short message_id;
- prng((unsigned char *)&message_id, sizeof(unsigned short));
+ 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));
- pdu->hdr->type = msgtype;
- pdu->hdr->id = htons(++message_id);
- pdu->hdr->code = code;
+ OIC_LOG_V(DEBUG, TAG, "gen msg id=%d", message_id);
+ }
+ else
+ {
+ /* use saved message id */
+ message_id = info.messageId;
+ }
+ pdu->hdr->id = message_id;
+ OIC_LOG_V(DEBUG, TAG, "messageId in pdu is %d, %d", message_id, pdu->hdr->id);
+
+ pdu->hdr->type = info.type;
+ pdu->hdr->code = COAP_RESPONSE_CODE(code);
+
+ if (info.token && CA_EMPTY != code)
+ {
+ 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);
+ if (0 == ret)
+ {
+ OIC_LOG(ERROR, TAG, "can't add token");
+ }
+ }
- pdu->hdr->token_length = the_token.length;
- if (!coap_add_token(pdu, the_token.length, the_token.s))
+ if (options)
{
- OIC_LOG(DEBUG, TAG, "cannot add token to request");
+ 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));
+ 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 (opt = options; opt; opt = opt->next)
+ if (NULL != payload)
{
- 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_V(DEBUG, TAG, "add data, payload:%s", payload);
+ coap_add_data(pdu, payloadSize, (const unsigned char *) 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),
+ 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)
{
- buflen = CA_BUFSIZE;
- buf = _buf;
- res = coap_split_query(uri.query.s, uri.query.length, buf, &buflen);
+ OIC_LOG(ERROR, TAG, "optlist is null");
+ return CA_STATUS_INVALID_PARAM;
+ }
- while (res--)
+ 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)
+ {
+ 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);
+
+ 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),
+ 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);
+ OIC_LOG(DEBUG, TAG, "IN");
+
+ OIC_LOG_V(DEBUG, TAG, "parse Head Opt: %d", info.numOptions);
- uint32_t i;
- for (i = 0; i < info.numOptions; i++)
+ 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
+ {
+ if ((info.options + i)->optionData && (info.options + i)->optionLength > 0)
+ {
+ 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;
+ }
+ }
+ }
}
+
+ 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 uint8_t *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);
/* 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;
+ coap_opt_t *option;
+
+ while ((option = coap_option_next(&opt_iter)))
+ {
+ if (COAP_OPTION_URI_PATH != opt_iter.type && COAP_OPTION_URI_QUERY != opt_iter.type)
+ {
+ count++;
+ }
+ }
- /* show options, if any */
+ OIC_LOG(DEBUG, TAG, "OUT");
+ return count;
+}
+
+CAResult_t CAGetInfoFromPDU(const coap_pdu_t *pdu, uint32_t *outCode, CAInfo_t *outInfo,
+ char *outUri, uint32_t buflen)
+{
+ OIC_LOG(DEBUG, TAG, "IN");
+
+ if (!pdu || !outCode || !outInfo || !outUri)
+ {
+ OIC_LOG(ERROR, TAG, "NULL pointer param");
+ return CA_STATUS_INVALID_PARAM;
+ }
+
+ coap_opt_iterator_t opt_iter;
coap_option_iterator_init((coap_pdu_t *) pdu, &opt_iter, COAP_OPT_ALL);
- memset(optionResult, 0, sizeof(optionResult));
- while ((option = coap_option_next(&opt_iter)))
+ if (outCode)
{
+ (*outCode) = (uint32_t) CA_RESPONSE_CODE(pdu->hdr->code);
+ }
- if (print_readable(COAP_OPT_VALUE(option), COAP_OPT_LENGTH(option), buf, sizeof(buf),
- encode))
+ // init HeaderOption list
+ uint32_t count = CAGetOptionCount(opt_iter);
+ memset(outInfo, 0, sizeof(*outInfo));
+
+ outInfo->numOptions = count;
+
+ // set type
+ outInfo->type = pdu->hdr->type;
+
+ // set message id
+ outInfo->messageId = pdu->hdr->id;
+
+ 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};
+ if (CAGetOptionData((uint8_t *)(COAP_OPT_VALUE(option)),
+ COAP_OPT_LENGTH(option), (uint8_t *)buf, sizeof(buf)))
+ {
+ OIC_LOG_V(DEBUG, TAG, "COAP URI element : %s", buf);
+ uint32_t bufLength = strlen(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)
{
- memcpy(optionResult + count, "/", 1);
- count++;
+ // Make sure there is enough room in the optionResult buffer
+ if (optionLength < sizeof(optionResult))
+ {
+ optionResult[optionLength] = '/';
+ optionLength++;
+ }
+ else
+ {
+ goto exit;
+ }
}
- else if (opt_iter.type == COAP_OPTION_URI_QUERY)
+ else if (COAP_OPTION_URI_QUERY == opt_iter.type)
{
- memcpy(optionResult + count, "?", 1);
- count++;
+ 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[optionLength], buf, bufLength);
+ optionLength += bufLength;
+ }
+ else
+ {
+ goto exit;
+ }
+ }
+ }
+ else
+ {
+ if (idx < count)
+ {
+ uint32_t length = bufLength;
+
+ if (length <= CA_MAX_HEADER_OPTION_DATA_LENGTH)
+ {
+ outInfo->options[idx].optionID = opt_iter.type;
+ outInfo->options[idx].optionLength = length;
+ outInfo->options[idx].protocolID = CA_COAP_ID;
+ memcpy(outInfo->options[idx].optionData, buf, length);
+ idx++;
}
- memcpy(optionResult + count, buf, strlen(buf));
- count += strlen(buf);
}
}
}
}
- OIC_LOG(DEBUG, TAG, "set CAInfo_t after parsing");
+ // set token data
+ if (pdu->hdr->token_length > 0)
+ {
+ OIC_LOG_V(DEBUG, TAG, "inside token length : %d", pdu->hdr->token_length);
+ outInfo->token = (char *) OICMalloc(pdu->hdr->token_length);
+ if (NULL == outInfo->token)
+ {
+ OIC_LOG(ERROR, TAG, "Out of memory");
+ OICFree(outInfo->options);
+ return CA_MEMORY_ALLOC_FAILED;
+ }
+ memcpy(outInfo->token, pdu->hdr->token, pdu->hdr->token_length);
+ }
+
+ outInfo->tokenLength = pdu->hdr->token_length;
+
+ // set payload data
+ if (NULL != pdu->data)
+ {
+ uint32_t payloadLength = strlen((char*) pdu->data);
+ OIC_LOG(DEBUG, TAG, "inside pdu->data");
+ outInfo->payload = (char *) OICMalloc(payloadLength + 1);
+ 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, payloadLength);
+ outInfo->payload[payloadLength] = '\0';
+ }
- // set pdu info
- (*outCode) = (uint32_t) pdu->hdr->code;
- memset(outInfo, 0, sizeof(CAInfo_t));
+ uint32_t length = strlen(optionResult);
+ OIC_LOG_V(DEBUG, TAG, "URL length:%d,%d,%d", length, buflen, strlen(outUri));
+ if (buflen >= length)
+ {
+ memcpy(outUri, optionResult, length);
+ outUri[length] = '\0';
+#ifdef ARDUINO
+ OIC_LOG_V(DEBUG, TAG, "made URL:%s\n", optionResult);
+#else
+ OIC_LOG_V(DEBUG, TAG, "made URL : %s, %s", optionResult, outUri);
+#endif
+ }
+ OIC_LOG(DEBUG, TAG, "OUT");
+ return CA_STATUS_OK;
- outInfo->options = (CAHeaderOption_t*) OICMalloc(sizeof(CAHeaderOption_t));
- memset(outInfo->options, 0, sizeof(CAHeaderOption_t));
+exit:
+ OIC_LOG(ERROR, TAG, "buffer too small");
+ OICFree(outInfo->options);
+ return CA_STATUS_FAILED;
+}
- outInfo->options->optionID = opt_iter.type;
- outInfo->options->optionLength = count;
- memcpy(outInfo->options->optionData, optionResult, CA_MAX_HEADER_OPTION_DATA_LENGTH);
+CAResult_t CAGetTokenFromPDU(const coap_hdr_t *pdu_hdr, CAInfo_t *outInfo)
+{
+ OIC_LOG(DEBUG, TAG, "IN");
+ if (NULL == pdu_hdr)
+ {
+ OIC_LOG(ERROR, TAG, "pdu_hdr is null");
+ return CA_STATUS_INVALID_PARAM;
+ }
- if (pdu->hdr->token_length > 0)
+ if (NULL == outInfo)
{
- outInfo->token = (char*) OICMalloc(pdu->hdr->token_length);
- memcpy(outInfo->token, pdu->hdr->token, pdu->hdr->token_length);
+ OIC_LOG(ERROR, TAG, "outInfo is null");
+ return CA_STATUS_INVALID_PARAM;
}
- if (NULL != pdu->data)
+ // set token data
+ if (pdu_hdr->token_length > 0)
{
- outInfo->payload = (char*) OICMalloc(strlen(pdu->data) + 1);
- memcpy(outInfo->payload, pdu->data, strlen(pdu->data) + 1);
+ OIC_LOG_V(DEBUG, TAG, "token len:%d", pdu_hdr->token_length);
+ outInfo->token = (char *) OICMalloc(pdu_hdr->token_length);
+ if (NULL == outInfo->token)
+ {
+ OIC_LOG(ERROR, TAG, "out of memory");
+ return CA_MEMORY_ALLOC_FAILED;
+ }
+ memcpy(outInfo->token, pdu_hdr->token, pdu_hdr->token_length);
}
+
+ outInfo->tokenLength = pdu_hdr->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 == -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 (token != NULL)
+ if (NULL != info)
{
- OICFree(token);
+ 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(const uint8_t *data, uint32_t len, uint8_t *option, uint32_t buflen)
+{
+ if (0 == buflen || 0 == len)
+ {
+ OIC_LOG(ERROR, TAG, "len 0");
+ return 0;
+ }
+
+ if (NULL == data || NULL == option)
+ {
+ OIC_LOG(ERROR, TAG, "data/option NULL");
+ return 0;
+ }
+
+ if (buflen <= len)
+ {
+ OIC_LOG(ERROR, TAG, "option buffer too small");
+ return 0;
+ }
+
+ memcpy(option, data, len);
+ option[len] = '\0';
+
+ return len;
+}
+
+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->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->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->code);
}
projects / platform / upstream / iotivity.git / blobdiff