OCStackResult OCSecure::discoverUnownedDevices(unsigned short timeout,
DeviceList_t &list)
{
OCStackResult result;
OCProvisionDev_t *pDevList = nullptr, *pCurDev = nullptr, *tmp = nullptr;
auto csdkLock = OCPlatform_impl::Instance().csdkLock();
auto cLock = csdkLock.lock();
if(cLock)
{
std::lock_guard<std::recursive_mutex> lock(*cLock);
result = OCDiscoverUnownedDevices(timeout, &pDevList);
if (result == OC_STACK_OK)
{
// Create DeviceList of OCSecureResource's
pCurDev = pDevList;
while (pCurDev)
{
tmp = pCurDev;
list.push_back(std::shared_ptr<OCSecureResource>(
new OCSecureResource(csdkLock, pCurDev)));
pCurDev = pCurDev->next;
tmp->next = nullptr;
}
}
else
{
oclog() <<"Unowned device discovery failed!";
}
}
else
{
oclog() <<"Mutex not found";
result = OC_STACK_ERROR;
}
return result;
}
static int discoverUnownedDevices(void)
{
// delete unowned device list before updating it
if(g_unown_list)
{
OCDeleteDiscoveredDevices(g_unown_list);
g_unown_list = NULL;
}
// call |OCDiscoverUnownedDevices| API actually
printf(" Discovering Only Unowned Devices on Network..\n");
if(OC_STACK_OK != OCDiscoverUnownedDevices(DISCOVERY_TIMEOUT, &g_unown_list))
{
OIC_LOG(ERROR, TAG, "OCDiscoverUnownedDevices API error");
return -1;
}
// display the discovered unowned list
printf(" > Discovered Unowned Devices\n");
g_unown_cnt = printDevList(g_unown_list);
return 0;
}
/**
* Provisioning client sample using ProvisioningAPI
*/
int main()
{
OCStackResult res = OC_STACK_OK;
int unused;
(void)unused;
// Initialize Persistent Storage for SVR database
OCPersistentStorage ps = { .open = NULL,
.read = NULL,
.write = NULL,
.close = NULL,
.unlink = NULL };
ps.open = client_fopen;
ps.read = fread;
ps.write = fwrite;
ps.close = fclose;
ps.unlink = unlink;
OCRegisterPersistentStorageHandler(&ps);
if (OC_STACK_OK != OCInit(NULL, 0, OC_CLIENT_SERVER))
{
OC_LOG(ERROR, TAG, "OCStack init error");
goto error;
}
OCProvisionDev_t* pDeviceList = NULL;
res = OCDiscoverUnownedDevices(PREDEFINED_TIMEOUT, &pDeviceList);
if(OC_STACK_OK != res)
{
OC_LOG_V(ERROR, TAG, "Failed to PMDeviceDiscovery : %d", res);
goto error;
}
OCProvisionDev_t* pCurDev = pDeviceList;
int i;
while(pCurDev !=NULL)
{
for(i = 0; i < UUID_LENGTH; i++)
printf("%c", pCurDev->doxm->deviceID.id[i]);
printf("\n");
pCurDev = pCurDev->next;
}
//Register callback function to each OxM
OTMCallbackData_t justWorksCBData = {.loadSecretCB=NULL,
.createSecureSessionCB=NULL,
.createSelectOxmPayloadCB=NULL,
.createOwnerTransferPayloadCB=NULL};
justWorksCBData.loadSecretCB = LoadSecretJustWorksCallback;
justWorksCBData.createSecureSessionCB = CreateSecureSessionJustWorksCallback;
justWorksCBData.createSelectOxmPayloadCB = CreateJustWorksSelectOxmPayload;
justWorksCBData.createOwnerTransferPayloadCB = CreateJustWorksOwnerTransferPayload;
OTMSetOwnershipTransferCallbackData(OIC_JUST_WORKS, &justWorksCBData);
OTMCallbackData_t pinBasedCBData = {.loadSecretCB=NULL,
.createSecureSessionCB=NULL,
.createSelectOxmPayloadCB=NULL,
.createOwnerTransferPayloadCB=NULL};
pinBasedCBData.loadSecretCB = InputPinCodeCallback;
pinBasedCBData.createSecureSessionCB = CreateSecureSessionRandomPinCallbak;
pinBasedCBData.createSelectOxmPayloadCB = CreatePinBasedSelectOxmPayload;
pinBasedCBData.createOwnerTransferPayloadCB = CreatePinBasedOwnerTransferPayload;
OTMSetOwnershipTransferCallbackData(OIC_RANDOM_DEVICE_PIN, &pinBasedCBData);
SetInputPinCB(&InputPinCB);
char* myContext = "OTM Context";
//Perform ownership transfer
res = OCDoOwnershipTransfer((void*)myContext, pDeviceList, OwnershipTransferCB);
if(OC_STACK_OK == res)
{
OC_LOG(INFO, TAG, "Request for ownership transfer is sent successfully.");
}
else
{
OC_LOG_V(ERROR, TAG, "Failed to OCDoOwnershipTransfer : %d", res);
}
gOwnershipState = 0;
while ( gOwnershipState == 0 )
{
if (OCProcess() != OC_STACK_OK)
{
OC_LOG(ERROR, TAG, "OCStack process error");
goto error;
}
sleep(1);
}
// Credential & ACL provisioning between two devices.
OCProvisionDev_t *pOwnedList = NULL;
OCProvisionDev_t *pOwnedDevices [MAX_OWNED_DEVICE] = {0,};
int nOwnedDevice = 0;
res = OCDiscoverOwnedDevices(PREDEFINED_TIMEOUT, &pOwnedList);
if (OC_STACK_OK == res)
{
printf("################## Owned Device List #######################\n");
while (pOwnedList != NULL)
{
nOwnedDevice ++;
printf(" %d : ", nOwnedDevice);
for (int i = 0; i < UUID_LENGTH; i++)
{
printf("%c", pOwnedList->doxm->deviceID.id[i]);
}
printf("\n");
pOwnedDevices[nOwnedDevice] = pOwnedList;
pOwnedList = pOwnedList->next;
}
}
else
{
OC_LOG(ERROR, TAG, "Error while Owned Device Discovery");
}
int Device1 = 0;
int Device2 = 0;
printf("Select 2 devices for Credential & ACL provisioning\n");
printf("Device 1: ");
unused = scanf("%d", &Device1);
printf("Device 2: ");
unused = scanf("%d", &Device2);
gAcl1 = (OicSecAcl_t *)OICCalloc(1,sizeof(OicSecAcl_t));
if (NULL == gAcl1)
{
OC_LOG(ERROR, TAG, "Error while memory allocation");
goto error;
}
gAcl2 = (OicSecAcl_t *)OICCalloc(1,sizeof(OicSecAcl_t));
if (NULL == gAcl2)
{
OC_LOG(ERROR, TAG, "Error while memory allocation");
goto error;
}
printf("Input ACL for Device1\n");
if ( 0 == InputACL(gAcl1))
{
printf("Success Input ACL\n");
}
else
{
OC_LOG(ERROR, TAG, "InputACL error");
goto error;
}
printf("Input ACL for Device2\n");
if (0 == InputACL(gAcl2))
{
printf("Success Input ACL\n");
}
else
{
OC_LOG(ERROR, TAG, "InputACL error");
goto error;
}
char *ctx = "DUMMY";
OCProvisionPairwiseDevices(ctx,SYMMETRIC_PAIR_WISE_KEY, OWNER_PSK_LENGTH_128, pOwnedDevices[Device1],
gAcl1, pOwnedDevices[Device2], gAcl2, ProvisionPairwiseCB);
gOwnershipState = 0;
while ( gOwnershipState == 0 )
{
if (OCProcess() != OC_STACK_OK)
{
OC_LOG(ERROR, TAG, "OCStack process error");
goto error;
}
sleep(1);
}
if (OCStop() != OC_STACK_OK)
{
OC_LOG(ERROR, TAG, "OCStack process error");
goto error;
}
error:
deleteACL(gAcl1);
deleteACL(gAcl2);
OCDeleteDiscoveredDevices(&pDeviceList);
OCDeleteDiscoveredDevices(&pOwnedList);
return 0;
}
OCStackResult OCGetDevInfoFromNetwork(unsigned short waittime,
OCProvisionDev_t** pOwnedDevList,
OCProvisionDev_t** pUnownedDevList)
{
//TODO will be replaced by more efficient logic
if (pOwnedDevList == NULL || *pOwnedDevList != NULL || pUnownedDevList == NULL
|| *pUnownedDevList != NULL || 0 == waittime)
{
return OC_STACK_INVALID_PARAM;
}
// Code for unowned discovery
OCProvisionDev_t *unownedDevice = NULL;
OCStackResult res = OCDiscoverUnownedDevices(waittime/2, &unownedDevice);
if (OC_STACK_OK != res)
{
OIC_LOG(ERROR,TAG, "Error in unowned discovery");
return res;
}
// Code for owned discovery
OCProvisionDev_t *ownedDevice = NULL;
res = OCDiscoverOwnedDevices(waittime/2, &ownedDevice);
if (OC_STACK_OK != res)
{
OIC_LOG(ERROR,TAG, "Error in owned discovery");
PMDeleteDeviceList(unownedDevice);
return res;
}
// Code to get list of all the owned devices.
OCUuidList_t *uuidList = NULL;
size_t numOfDevices = 0;
res = PDMGetOwnedDevices(&uuidList, &numOfDevices);
if (OC_STACK_OK != res)
{
OIC_LOG(ERROR, TAG, "Error while getting info from DB");
PMDeleteDeviceList(unownedDevice);
PMDeleteDeviceList(ownedDevice);
return res;
}
// Code to compare devices in owned list and deviceid from DB.
OCProvisionDev_t* pCurDev = ownedDevice;
size_t deleteCnt = 0;
while (pCurDev)
{
if(true == PMDeleteFromUUIDList(uuidList, &pCurDev->doxm->deviceID))
{
deleteCnt++;
}
pCurDev = pCurDev->next;
}
// If there is no remaind device in uuidList, we have to assign NULL to prevent free.
if (deleteCnt == numOfDevices)
{
uuidList = NULL;
}
// Code to add information of the devices which are currently off in owned list.
OCUuidList_t *powerOffDeviceList = uuidList;
while (powerOffDeviceList)
{
OCProvisionDev_t *ptr = (OCProvisionDev_t *)OICCalloc(1, sizeof (OCProvisionDev_t));
if (NULL == ptr)
{
OIC_LOG(ERROR,TAG,"Fail to allocate memory");
PMDeleteDeviceList(unownedDevice);
PMDeleteDeviceList(ownedDevice);
OCDeleteUuidList(uuidList);
return OC_STACK_NO_MEMORY;
}
ptr->doxm = (OicSecDoxm_t*)OICCalloc(1, sizeof(OicSecDoxm_t));
if (NULL == ptr->doxm)
{
OIC_LOG(ERROR,TAG,"Fail to allocate memory");
PMDeleteDeviceList(unownedDevice);
PMDeleteDeviceList(ownedDevice);
OCDeleteUuidList(uuidList);
OICFree(ptr);
return OC_STACK_NO_MEMORY;
}
memcpy(ptr->doxm->deviceID.id, powerOffDeviceList->dev.id, sizeof(ptr->doxm->deviceID.id));
ptr->devStatus = DEV_STATUS_OFF;
LL_PREPEND(ownedDevice, ptr);
powerOffDeviceList = powerOffDeviceList->next;
}
OCDeleteUuidList(uuidList);
*pOwnedDevList = ownedDevice;
*pUnownedDevList = unownedDevice;
return OC_STACK_OK;
}
