static inline MmsIndication
parseMmsPdu(MmsServerConnection* self, ByteBuffer* message, ByteBuffer* response)
{
MmsIndication retVal;
uint8_t* buffer = message->buffer;
if (message->size < 2)
return MMS_ERROR;
int bufPos = 0;
uint8_t pduType = buffer[bufPos++];
int pduLength;
bufPos = BerDecoder_decodeLength(buffer, &pduLength, bufPos, message->size);
if (bufPos < 0)
return MMS_ERROR;
if (DEBUG) printf("mms_server: recvd MMS-PDU type: %02x size: %u\n", pduType, pduLength);
switch (pduType) {
case 0xa8: /* Initiate request PDU */
handleInitiateRequestPdu(self, buffer, bufPos, bufPos + pduLength, response);
retVal = MMS_INITIATE;
break;
case 0xa0: /* Confirmed request PDU */
handleConfirmedRequestPdu(self, buffer, bufPos, bufPos + pduLength, response);
retVal = MMS_CONFIRMED_REQUEST;
break;
case 0x8b: /* Conclude request PDU */
mmsServer_writeConcludeResponsePdu(response);
IsoConnection_close(self->isoConnection);
retVal = MMS_CONCLUDE;
break;
case 0xa4: /* Reject PDU */
//TODO evaluate reject PDU
printf("received reject PDU!\n");
/* silently ignore */
retVal = MMS_OK;
break;
default:
mmsServer_writeMmsRejectPdu(NULL, MMS_REJECT_UNKNOWN_PDU_TYPE, response);
retVal = MMS_ERROR;
break;
}
parseMmsPdu_exit:
return retVal;
}
static inline MmsIndication
parseMmsPdu(MmsServerConnection* self, ByteBuffer* message, ByteBuffer* response)
{
MmsPdu_t* mmsPdu = 0; /* allow asn1c to allocate structure */
MmsIndication retVal;
asn_dec_rval_t rval; /* Decoder return value */
rval = ber_decode(NULL, &asn_DEF_MmsPdu,
(void**) &mmsPdu, (void*) message->buffer, message->size);
if (DEBUG) xer_fprint(stdout, &asn_DEF_MmsPdu, mmsPdu);
if (rval.code != RC_OK) {
retVal = MMS_ERROR;
goto parseMmsPdu_exit;
}
switch (mmsPdu->present) {
case MmsPdu_PR_initiateRequestPdu:
handleInitiateRequestPdu(self, &(mmsPdu->choice.initiateRequestPdu), response);
retVal = MMS_INITIATE;
break;
case MmsPdu_PR_confirmedRequestPdu:
handleConfirmedRequestPdu(self, &(mmsPdu->choice.confirmedRequestPdu), response);
retVal = MMS_CONFIRMED_REQUEST;
break;
case MmsPdu_PR_concludeRequestPDU:
mmsServer_writeConcludeResponsePdu(response);
IsoConnection_close(self->isoConnection);
retVal = MMS_CONCLUDE;
break;
default:
writeMmsRejectPdu(NULL, REJECT_UNKNOWN_PDU_TYPE, response);
retVal = MMS_ERROR;
break;
}
parseMmsPdu_exit:
asn_DEF_MmsPdu.free_struct(&asn_DEF_MmsPdu, mmsPdu, 0);
return retVal;
}