#include "amaclresource.h"
#include "credresource.h"
-#define TAG "SRM-PE"
+#define TAG "OIC_SRM_PE"
uint16_t GetPermissionFromCAMethod_t(const CAMethod_t method)
{
case CA_GET:
perm = (uint16_t)PERMISSION_READ;
break;
- case CA_POST: // For now we treat all PUT & POST as Write
- case CA_PUT: // because we don't know if resource exists yet.
+ case CA_POST: // Treat all POST as Write (Update) because
+ // we don't know if resource exists yet.
+ // This will be addressed in IoTivity impl of OCF 1.0
perm = (uint16_t)PERMISSION_WRITE;
break;
+ case CA_PUT: // Per convention, OIC/OCF uses PUT only for Create,
+ // never for Update.
+ perm = (uint16_t)PERMISSION_CREATE;
+ break;
case CA_DELETE:
perm = (uint16_t)PERMISSION_DELETE;
break;
memset(&context->subject, 0, sizeof(context->subject));
memset(&context->resource, 0, sizeof(context->resource));
context->permission = 0x0;
- context->matchingAclFound = false;
context->amsProcessing = false;
context->retVal = ACCESS_DENIED_POLICY_ENGINE_ERROR;
static bool IsRequestFromDevOwner(PEContext_t *context)
{
bool retVal = false;
- OicUuid_t ownerid;
if(NULL == context)
{
return retVal;
}
+
+#ifdef MULTIPLE_OWNER
+/**
+ * Compare the request's subject to SubOwner.
+ *
+ * @return true if context->subjectId exist subowner list, else false.
+ */
+static bool IsRequestFromSubOwner(PEContext_t *context)
+{
+ bool retVal = false;
+
+ if(NULL == context)
+ {
+ return retVal;
+ }
+
+ if(IsSubOwner(&context->subject))
+ {
+ retVal = true;
+ }
+
+ if(true == retVal)
+ {
+ OIC_LOG(INFO, TAG, "PE.IsRequestFromSubOwner(): returning true");
+ }
+ else
+ {
+ OIC_LOG(INFO, TAG, "PE.IsRequestFromSubOwner(): returning false");
+ }
+
+ return retVal;
+}
+
+
+/**
+ * Verify the SubOwner's request.
+ *
+ * @return true if request is valid, else false.
+ */
+static bool IsValidRequestFromSubOwner(PEContext_t *context)
+{
+ bool isValidRequest = false;
+
+ if(NULL == context)
+ {
+ return isValidRequest;
+ }
+
+ switch(context->resourceType)
+ {
+ case OIC_R_DOXM_TYPE:
+ //SubOwner has READ permission only for DOXM
+ if(PERMISSION_READ == context->permission)
+ {
+ isValidRequest = true;
+ }
+ break;
+ case OIC_R_PSTAT_TYPE:
+ //SubOwner has full permsion for PSTAT
+ isValidRequest = true;
+ break;
+ case OIC_R_CRED_TYPE:
+ //SubOwner can only access the credential which is registered as the eowner.
+ isValidRequest = IsValidCredentialAccessForSubOwner(&context->subject, context->payload, context->payloadSize);
+ break;
+ case OIC_R_ACL_TYPE:
+ //SubOwner can only access the ACL which is registered as the eowner.
+ isValidRequest = IsValidAclAccessForSubOwner(&context->subject, context->payload, context->payloadSize);
+ break;
+ default:
+ //SubOwner has full permission for all resource except the security resource
+ isValidRequest = true;
+ break;
+ }
+
+ if(isValidRequest)
+ {
+ OIC_LOG(INFO, TAG, "PE.IsValidRequestFromSubOwner(): returning true");
+ }
+ else
+ {
+ OIC_LOG(INFO, TAG, "PE.IsValidRequestFromSubOwner(): returning false");
+ }
+
+ return isValidRequest;
+}
+#endif //MULTIPLE_OWNER
+
+
// TODO - remove these function placeholders as they are implemented
// in the resource entity handler code.
// Note that because many SVRs do not have a rowner, in those cases we
OCStackResult GetCrlRownerId(OicUuid_t *rowner)
{
+ OC_UNUSED(rowner);
rowner = NULL;
return OC_STACK_ERROR;
}
OCStackResult GetSaclRownerId(OicUuid_t *rowner)
{
+ OC_UNUSED(rowner);
rowner = NULL;
return OC_STACK_ERROR;
}
OCStackResult GetSvcRownerId(OicUuid_t *rowner)
{
+ OC_UNUSED(rowner);
rowner = NULL;
return OC_STACK_ERROR;
}
memcpy(&context->subject, subjectId, sizeof(OicUuid_t));
// Copy the resource string into context.
- length = strlen(resource) + 1;
- if (0 < length)
- {
- strncpy(context->resource, resource, length);
- context->resource[length - 1] = '\0';
- }
+ length = sizeof(context->resource) - 1;
+ strncpy(context->resource, resource, length);
+ context->resource[length] = '\0';
+
// Assign the permission field.
context->permission = requestedPermission;
*/
static void ProcessAccessRequest(PEContext_t *context)
{
- OIC_LOG(DEBUG, TAG, "Entering ProcessAccessRequest()");
if (NULL != context)
{
const OicSecAce_t *currentAce = NULL;
OicSecAce_t *savePtr = NULL;
+ OIC_LOG_V(DEBUG, TAG, "Entering ProcessAccessRequest(%s)", context->resource);
+
// Start out assuming subject not found.
context->retVal = ACCESS_DENIED_SUBJECT_NOT_FOUND;
if (IsResourceInAce(context->resource, currentAce))
{
OIC_LOG_V(INFO, TAG, "%s:found matching resource in ACE" ,__func__);
- context->matchingAclFound = true;
// Found the resource, so it's down to valid period & permission.
context->retVal = ACCESS_DENIED_INVALID_PERIOD;
{
OIC_LOG_V(INFO, TAG, "%s:no ACL found matching subject for resource %s",__func__, context->resource);
}
- } while ((NULL != currentAce) && (false == context->matchingAclFound));
+ } while ((NULL != currentAce) && (ACCESS_GRANTED != context->retVal));
if (IsAccessGranted(context->retVal))
{
CopyParamsToContext(context, subjectId, resource, requestedPermission);
}
- // Before doing any processing, check if request coming
- // from DevOwner and if so, always GRANT.
- if (IsRequestFromDevOwner(context))
+ // Before doing any ACL processing, check if request a) coming
+ // from DevOwner AND b) the device is in Ready for OTM or Reset state
+ // (which in IoTivity is equivalent to isOp == false && owned == false)
+ // AND c) the request is for a SVR resource.
+ // If all 3 conditions are met, grant request.
+ bool isDeviceOwned = true; // default to value that will not grant access
+ if (OC_STACK_OK != GetDoxmIsOwned(&isDeviceOwned)) // if runtime error, don't grant
+ {
+ context->retVal = ACCESS_DENIED_POLICY_ENGINE_ERROR;
+ }
+ // If we were able to get the value of doxm->isOwned, proceed with
+ // test for implicit access...
+ else if (IsRequestFromDevOwner(context) // if from DevOwner
+ && (GetPstatIsop() == false) // AND if pstat->isOp == false
+ && (isDeviceOwned == false) // AND if doxm->isOwned == false
+ && (context->resourceType != NOT_A_SVR_RESOURCE)) // AND if SVR type
{
context->retVal = ACCESS_GRANTED;
}
- // Then check if request is for a SVR and coming from rowner
+ // If not granted via DevOwner status and not a subowner,
+ // then check if request is for a SVR and coming from rowner
else if (IsRequestFromResourceOwner(context))
{
context->retVal = ACCESS_GRANTED;
}
+#ifdef MULTIPLE_OWNER
+ //Then check if request from SubOwner
+ else if(IsRequestFromSubOwner(context))
+ {
+ if(IsValidRequestFromSubOwner(context))
+ {
+ context->retVal = ACCESS_GRANTED;
+ }
+ }
+#endif //MULTIPLE_OWNER
// Else request is a "normal" request that must be tested against ACL
else
{
ProcessAccessRequest(context);
- // If matching ACL not found, and subject != wildcard, try wildcard.
- if ((false == context->matchingAclFound) && \
+ // If access not already granted, and requested subject != wildcard,
+ // try looking for a wildcard ACE that grants access.
+ if ((ACCESS_GRANTED != context->retVal) && \
(false == IsWildCardSubject(&context->subject)))
{
//Saving subject for Amacl check