static void
serverOnNetworkCallback(const UA_ServerOnNetwork *serverOnNetwork, UA_Boolean isServerAnnounce,
UA_Boolean isTxtReceived, void *data) {
if(discovery_url != NULL || !isServerAnnounce) {
UA_LOG_DEBUG(logger, UA_LOGCATEGORY_SERVER,
"serverOnNetworkCallback called, but discovery URL "
"already initialized or is not announcing. Ignoring.");
return; // we already have everything we need or we only want server announces
}
if(self_discovery_url != NULL && UA_String_equal(&serverOnNetwork->discoveryUrl, self_discovery_url)) {
// skip self
return;
}
if(!isTxtReceived)
return; // we wait until the corresponding TXT record is announced.
// Problem: how to handle if a Server does not announce the
// optional TXT?
// here you can filter for a specific LDS server, e.g. call FindServers on
// the serverOnNetwork to make sure you are registering with the correct
// LDS. We will ignore this for now
UA_LOG_INFO(logger, UA_LOGCATEGORY_SERVER, "Another server announced itself on %.*s",
(int)serverOnNetwork->discoveryUrl.length, serverOnNetwork->discoveryUrl.data);
if(discovery_url != NULL)
UA_free(discovery_url);
discovery_url = (char*)UA_malloc(serverOnNetwork->discoveryUrl.length + 1);
memcpy(discovery_url, serverOnNetwork->discoveryUrl.data, serverOnNetwork->discoveryUrl.length);
discovery_url[serverOnNetwork->discoveryUrl.length] = 0;
}
static void
GetEndpointsAndCheck(const char* discoveryUrl, const char* filterTransportProfileUri,
const UA_String expectedEndpointUrls[], size_t expectedEndpointUrlsSize) {
UA_Client *client = UA_Client_new();
UA_ClientConfig_setDefault(UA_Client_getConfig(client));
ck_assert_uint_eq(UA_Client_connect(client, discoveryUrl), UA_STATUSCODE_GOOD);
UA_EndpointDescription* endpointArray = NULL;
size_t endpointArraySize = 0;
UA_String discoveryUrlUA = UA_String_fromChars(discoveryUrl);
UA_StatusCode retval = GetEndpoints(client, &discoveryUrlUA, &endpointArraySize,
&endpointArray, filterTransportProfileUri);
ck_assert_uint_eq(retval, UA_STATUSCODE_GOOD);
UA_String_deleteMembers(&discoveryUrlUA);
ck_assert_uint_eq(endpointArraySize , expectedEndpointUrlsSize);
for(size_t j = 0; j < endpointArraySize && j < expectedEndpointUrlsSize; j++) {
UA_EndpointDescription* endpoint = &endpointArray[j];
ck_assert(UA_String_equal(&endpoint->endpointUrl, &expectedEndpointUrls[j]));
}
UA_Array_delete(endpointArray, endpointArraySize, &UA_TYPES[UA_TYPES_ENDPOINTDESCRIPTION]);
UA_Client_delete(client);
}
END_TEST
static void
handler_events_propagate(UA_Client *lclient, UA_UInt32 subId, void *subContext,
UA_UInt32 monId, void *monContext,
size_t nEventFields, UA_Variant *eventFields) {
UA_Boolean foundSeverity = UA_FALSE;
UA_Boolean foundMessage = UA_FALSE;
UA_Boolean foundType = UA_FALSE;
UA_Boolean foundSource = UA_FALSE;
ck_assert_uint_eq(*(UA_UInt32 *) monContext, monitoredItemId);
ck_assert_uint_eq(nEventFields, nSelectClauses);
// check all event fields
for (unsigned int i = 0; i < nEventFields; i++) {
// find out which attribute of the event is being looked at
if (UA_Variant_hasScalarType(&eventFields[i], &UA_TYPES[UA_TYPES_UINT16])) {
// Severity
ck_assert_uint_eq(*((UA_UInt16 *) (eventFields[i].data)), 1000);
foundSeverity = UA_TRUE;
} else if (UA_Variant_hasScalarType(&eventFields[i], &UA_TYPES[UA_TYPES_LOCALIZEDTEXT])) {
// Message
UA_LocalizedText comp = UA_LOCALIZEDTEXT("en-US", "Generated Event");
ck_assert(UA_String_equal(&((UA_LocalizedText *) eventFields[i].data)->locale, &comp.locale));
ck_assert(UA_String_equal(&((UA_LocalizedText *) eventFields[i].data)->text, &comp.text));
foundMessage = UA_TRUE;
} else if (UA_Variant_hasScalarType(&eventFields[i], &UA_TYPES[UA_TYPES_NODEID])) {
// either SourceNode or EventType
UA_NodeId serverNameSpaceId = UA_NODEID_NUMERIC(0, UA_NS0ID_SERVER_NAMESPACES);
if (UA_NodeId_equal((UA_NodeId *)eventFields[i].data, &eventType)) {
// EventType
foundType = UA_TRUE;
} else if (UA_NodeId_equal((UA_NodeId *)eventFields[i].data, &serverNameSpaceId)) {
// SourceNode
foundSource = UA_TRUE;
} else {
ck_assert_msg(UA_FALSE, "NodeId doesn't match");
}
} else {
ck_assert_msg(UA_FALSE, "Field doesn't match");
}
}
ck_assert_uint_eq(foundMessage, UA_TRUE);
ck_assert_uint_eq(foundSeverity, UA_TRUE);
ck_assert_uint_eq(foundType, UA_TRUE);
ck_assert_uint_eq(foundSource, UA_TRUE);
notificationReceived = true;
}
} END_TEST
START_TEST(GetMaximalConnectionConfigurationAndCompareValues){
UA_NetworkAddressUrlDataType networkAddressUrlData = {UA_STRING("127.0.0.1"), UA_STRING("opc.udp://224.0.0.22:4840/")};
UA_Variant address;
UA_Variant_setScalar(&address, &networkAddressUrlData, &UA_TYPES[UA_TYPES_NETWORKADDRESSURLDATATYPE]);
UA_KeyValuePair connectionOptions[3];
connectionOptions[0].key = UA_QUALIFIEDNAME(0, "ttl");
UA_UInt32 ttl = 10;
UA_Variant_setScalar(&connectionOptions[0].value, &ttl, &UA_TYPES[UA_TYPES_UINT32]);
connectionOptions[1].key = UA_QUALIFIEDNAME(0, "loopback");
UA_Boolean loopback = UA_FALSE;
UA_Variant_setScalar(&connectionOptions[1].value, &loopback, &UA_TYPES[UA_TYPES_UINT32]);
connectionOptions[2].key = UA_QUALIFIEDNAME(0, "reuse");
UA_Boolean reuse = UA_TRUE;
UA_Variant_setScalar(&connectionOptions[2].value, &reuse, &UA_TYPES[UA_TYPES_UINT32]);
UA_PubSubConnectionConfig connectionConf;
memset(&connectionConf, 0, sizeof(UA_PubSubConnectionConfig));
connectionConf.name = UA_STRING("UADP Connection");
connectionConf.transportProfileUri = UA_STRING("http://opcfoundation.org/UA-Profile/Transport/pubsub-udp-uadp");
connectionConf.enabled = true;
connectionConf.publisherId.numeric = 223344;
connectionConf.connectionPropertiesSize = 3;
connectionConf.connectionProperties = connectionOptions;
connectionConf.address = address;
UA_NodeId connection;
UA_StatusCode retVal = UA_Server_addPubSubConnection(server, &connectionConf, &connection);
ck_assert_int_eq(retVal, UA_STATUSCODE_GOOD);
UA_PubSubConnectionConfig connectionConfig;
memset(&connectionConfig, 0, sizeof(UA_PubSubConnectionConfig));
retVal |= UA_Server_getPubSubConnectionConfig(server, connection, &connectionConfig);
ck_assert_int_eq(retVal, UA_STATUSCODE_GOOD);
ck_assert(connectionConfig.connectionPropertiesSize == connectionConf.connectionPropertiesSize);
ck_assert(UA_String_equal(&connectionConfig.name, &connectionConf.name) == UA_TRUE);
ck_assert(UA_String_equal(&connectionConfig.transportProfileUri, &connectionConf.transportProfileUri) == UA_TRUE);
UA_NetworkAddressUrlDataType networkAddressUrlDataCopy = *((UA_NetworkAddressUrlDataType *)connectionConfig.address.data);
ck_assert(UA_NetworkAddressUrlDataType_calcSizeBinary(&networkAddressUrlDataCopy) == UA_NetworkAddressUrlDataType_calcSizeBinary(&networkAddressUrlData));
for(size_t i = 0; i < connectionConfig.connectionPropertiesSize; i++){
ck_assert(UA_String_equal(&connectionConfig.connectionProperties[i].key.name, &connectionConf.connectionProperties[i].key.name) == UA_TRUE);
ck_assert(UA_Variant_calcSizeBinary(&connectionConfig.connectionProperties[i].value) == UA_Variant_calcSizeBinary(&connectionConf.connectionProperties[i].value));
}
UA_PubSubConnectionConfig_deleteMembers(&connectionConfig);
} END_TEST
static void
FindOnNetworkAndCheck(UA_String expectedServerNames[], size_t expectedServerNamesSize,
const char *filterUri, const char *filterLocale,
const char** filterCapabilities, size_t filterCapabilitiesSize) {
UA_Client *client = UA_Client_new();
UA_ClientConfig_setDefault(UA_Client_getConfig(client));
UA_ServerOnNetwork* serverOnNetwork = NULL;
size_t serverOnNetworkSize = 0;
size_t serverCapabilityFilterSize = 0;
UA_String *serverCapabilityFilter = NULL;
if(filterCapabilitiesSize) {
serverCapabilityFilterSize = filterCapabilitiesSize;
serverCapabilityFilter = (UA_String*)UA_malloc(sizeof(UA_String) * filterCapabilitiesSize);
for(size_t i = 0; i < filterCapabilitiesSize; i++)
serverCapabilityFilter[i] = UA_String_fromChars(filterCapabilities[i]);
}
UA_StatusCode retval =
UA_Client_findServersOnNetwork(client, "opc.tcp://localhost:4840", 0, 0,
serverCapabilityFilterSize, serverCapabilityFilter,
&serverOnNetworkSize, &serverOnNetwork);
if(serverCapabilityFilterSize)
UA_Array_delete(serverCapabilityFilter, serverCapabilityFilterSize,
&UA_TYPES[UA_TYPES_STRING]);
ck_assert_uint_eq(retval, UA_STATUSCODE_GOOD);
// only the discovery server is expected
ck_assert_uint_eq(serverOnNetworkSize , expectedServerNamesSize);
if(expectedServerNamesSize > 0)
ck_assert_ptr_ne(serverOnNetwork, NULL);
if(serverOnNetwork != NULL) {
for(size_t i = 0; i < expectedServerNamesSize; i++) {
UA_Boolean expectedServerNameInServerOnNetwork = false;
for(size_t j = 0; j < expectedServerNamesSize && !expectedServerNameInServerOnNetwork; j++) {
expectedServerNameInServerOnNetwork = UA_String_equal(&serverOnNetwork[j].serverName,
&expectedServerNames[i]);
}
ck_assert_msg(expectedServerNameInServerOnNetwork, "Expected %.*s in serverOnNetwork list, but not found",
expectedServerNames[i].length, expectedServerNames[i].data);
}
}
UA_Array_delete(serverOnNetwork, serverOnNetworkSize, &UA_TYPES[UA_TYPES_SERVERONNETWORK]);
UA_Client_disconnect(client);
UA_Client_delete(client);
}
/*
* Get the endpoint from the server, where we can call RegisterServer2 (or RegisterServer).
* This is normally the endpoint with highest supported encryption mode.
*
* @param discoveryServerUrl The discovery url from the remote server
* @return The endpoint description (which needs to be freed) or NULL
*/
static
UA_EndpointDescription *getRegisterEndpointFromServer(const char *discoveryServerUrl) {
UA_Client *client = UA_Client_new(UA_ClientConfig_default);
UA_EndpointDescription *endpointArray = NULL;
size_t endpointArraySize = 0;
UA_StatusCode retval = UA_Client_getEndpoints(client, discoveryServerUrl,
&endpointArraySize, &endpointArray);
if (retval != UA_STATUSCODE_GOOD) {
UA_Array_delete(endpointArray, endpointArraySize,
&UA_TYPES[UA_TYPES_ENDPOINTDESCRIPTION]);
UA_LOG_ERROR(logger, UA_LOGCATEGORY_SERVER, "GetEndpoints failed with %s", UA_StatusCode_name(retval));
UA_Client_delete(client);
return NULL;
}
UA_LOG_DEBUG(logger, UA_LOGCATEGORY_SERVER, "Server has %ld endpoints", endpointArraySize);
UA_EndpointDescription *foundEndpoint = NULL;
for (size_t i = 0; i < endpointArraySize; i++) {
UA_LOG_DEBUG(logger, UA_LOGCATEGORY_SERVER, "\tURL = %.*s, SecurityMode = %s",
(int) endpointArray[i].endpointUrl.length,
endpointArray[i].endpointUrl.data,
endpointArray[i].securityMode == UA_MESSAGESECURITYMODE_NONE ? "None" :
endpointArray[i].securityMode == UA_MESSAGESECURITYMODE_SIGN ? "Sign" :
endpointArray[i].securityMode == UA_MESSAGESECURITYMODE_SIGNANDENCRYPT ? "SignAndEncrypt" :
"Invalid"
);
// find the endpoint with highest supported security mode
if ((UA_String_equal(&endpointArray[i].securityPolicyUri, &UA_SECURITY_POLICY_NONE_URI) ||
UA_String_equal(&endpointArray[i].securityPolicyUri, &UA_SECURITY_POLICY_BASIC128_URI)) && (
foundEndpoint == NULL || foundEndpoint->securityMode < endpointArray[i].securityMode))
foundEndpoint = &endpointArray[i];
}
UA_EndpointDescription *returnEndpoint = NULL;
if (foundEndpoint != NULL) {
returnEndpoint = UA_EndpointDescription_new();
UA_EndpointDescription_copy(foundEndpoint, returnEndpoint);
}
UA_Array_delete(endpointArray, endpointArraySize,
&UA_TYPES[UA_TYPES_ENDPOINTDESCRIPTION]);
return returnEndpoint;
}
} END_TEST
START_TEST(AddAndRemoveWriterGroups){
UA_StatusCode retVal;
UA_Client *client = UA_Client_new();
UA_ClientConfig_setDefault(UA_Client_getConfig(client));
retVal = UA_Client_connect(client, "opc.tcp://localhost:4840");
if(retVal != UA_STATUSCODE_GOOD) {
UA_Client_delete(client);
}
ck_assert_int_eq(retVal, UA_STATUSCODE_GOOD);
UA_NodeId createdConnection = addPubSubConnection();
UA_Variant *inputArgument = (UA_Variant *) UA_calloc(1, (sizeof(UA_Variant)));
UA_WriterGroupDataType writerGroupDataType;
UA_WriterGroupDataType_init(&writerGroupDataType);
writerGroupDataType.name = UA_STRING("TestWriterGroup");
writerGroupDataType.enabled = UA_TRUE;
writerGroupDataType.publishingInterval = 500;
writerGroupDataType.writerGroupId = 1234;
UA_Variant_setScalar(inputArgument, &writerGroupDataType, &UA_TYPES[UA_TYPES_WRITERGROUPDATATYPE]);
UA_CallMethodRequest callMethodRequest;
UA_CallMethodRequest_init(&callMethodRequest);
callMethodRequest.inputArgumentsSize = 1;
callMethodRequest.inputArguments = inputArgument;
callMethodRequest.objectId = createdConnection;
callMethodRequest.methodId = UA_NODEID_NUMERIC(0, UA_NS0ID_PUBSUBCONNECTIONTYPE_ADDWRITERGROUP);
UA_CallMethodResult result;
UA_CallMethodResult_init(&result);
result = UA_Server_call(server, &callMethodRequest);
ck_assert_int_eq(result.statusCode, UA_STATUSCODE_GOOD);
ck_assert_int_eq(1, result.outputArgumentsSize);
UA_NodeId createdWriterGroup = UA_NODEID_NULL;
if(result.outputArguments->type == &UA_TYPES[UA_TYPES_NODEID])
createdWriterGroup = *((UA_NodeId *) result.outputArguments->data);
UA_LocalizedText writerGroupDisplayName;
UA_LocalizedText_init(&writerGroupDisplayName);
retVal = UA_Server_readDisplayName(server, createdWriterGroup, &writerGroupDisplayName);
ck_assert_int_eq(retVal, UA_STATUSCODE_GOOD);
UA_String compareText = UA_STRING("TestWriterGroup");
ck_assert(UA_String_equal(&writerGroupDisplayName.text, &compareText) == UA_TRUE);
UA_free(inputArgument);
UA_CallMethodResult_deleteMembers(&result);
UA_Client_disconnect(client);
UA_Client_delete(client);
UA_LocalizedText_deleteMembers(&writerGroupDisplayName);
} END_TEST
static UA_StatusCode EndpointsHandshake(UA_Client *client) {
UA_GetEndpointsRequest request;
UA_GetEndpointsRequest_init(&request);
request.requestHeader.authenticationToken = client->authenticationToken;
request.requestHeader.timestamp = UA_DateTime_now();
request.requestHeader.timeoutHint = 10000;
request.endpointUrl = client->endpointUrl;
UA_String profileUri = UA_STRING("http://opcfoundation.org/UA-Profile/Transport/uatcp-uasc-uabinary");
request.profileUris = &profileUri;
request.profileUrisSize = 1;
UA_GetEndpointsResponse response;
UA_GetEndpointsResponse_init(&response);
__UA_Client_Service(client, &request, &UA_TYPES[UA_TYPES_GETENDPOINTSREQUEST],
&response, &UA_TYPES[UA_TYPES_GETENDPOINTSRESPONSE]);
UA_Boolean endpointFound = UA_FALSE;
UA_Boolean tokenFound = UA_FALSE;
UA_String securityNone = UA_STRING("http://opcfoundation.org/UA/SecurityPolicy#None");
for(UA_Int32 i = 0; i < response.endpointsSize; i++) {
UA_EndpointDescription* endpoint = &response.endpoints[i];
/* look out for an endpoint without security */
if(!UA_String_equal(&endpoint->securityPolicyUri, &securityNone))
continue;
endpointFound = UA_TRUE;
/* endpoint with no security found */
/* look for a user token policy with an anonymous token */
for(UA_Int32 j=0; j<endpoint->userIdentityTokensSize; ++j) {
UA_UserTokenPolicy* userToken = &endpoint->userIdentityTokens[j];
if(userToken->tokenType != UA_USERTOKENTYPE_ANONYMOUS)
continue;
tokenFound = UA_TRUE;
UA_UserTokenPolicy_copy(userToken, &client->token);
break;
}
}
UA_GetEndpointsResponse_deleteMembers(&response);
if(!endpointFound) {
UA_LOG_ERROR(client->logger, UA_LOGCATEGORY_CLIENT, "No suitable endpoint found");
return UA_STATUSCODE_BADINTERNALERROR;
}
if(!tokenFound) {
UA_LOG_ERROR(client->logger, UA_LOGCATEGORY_CLIENT, "No anonymous token found");
return UA_STATUSCODE_BADINTERNALERROR;
}
return response.responseHeader.serviceResult;
}
static void
variables_basic(void) {
/* Int32 */
UA_Int32 i = 5;
UA_Int32 j;
UA_Int32_copy(&i, &j);
UA_Int32 *ip = UA_Int32_new();
UA_Int32_copy(&i, ip);
UA_Int32_delete(ip);
/* String */
UA_String s;
UA_String_init(&s); /* _init zeroes out the entire memory of the datatype */
char *test = "test";
s.length = strlen(test);
s.data = (UA_Byte*)test;
UA_String s2;
UA_String_copy(&s, &s2);
UA_String_deleteMembers(&s2); /* Copying heap-allocated the dynamic content */
UA_String s3 = UA_STRING("test2");
UA_String s4 = UA_STRING_ALLOC("test2"); /* Copies the content to the heap */
UA_Boolean eq = UA_String_equal(&s3, &s4);
UA_String_deleteMembers(&s4);
if(!eq)
return;
/* Structured Type */
UA_ReadRequest rr;
UA_init(&rr, &UA_TYPES[UA_TYPES_READREQUEST]); /* Generic method */
UA_ReadRequest_init(&rr); /* Shorthand for the previous line */
rr.requestHeader.timestamp = UA_DateTime_now(); /* Members of a structure */
rr.nodesToRead = (UA_ReadValueId *)UA_Array_new(5, &UA_TYPES[UA_TYPES_READVALUEID]);
rr.nodesToReadSize = 5; /* Array size needs to be made known */
UA_ReadRequest *rr2 = UA_ReadRequest_new();
UA_copy(&rr, rr2, &UA_TYPES[UA_TYPES_READREQUEST]);
UA_ReadRequest_deleteMembers(&rr);
UA_ReadRequest_delete(rr2);
}
static const UA_VariableNode *
getArgumentsVariableNode(UA_Server *server, const UA_MethodNode *ofMethod,
UA_String withBrowseName) {
UA_NodeId hasProperty = UA_NODEID_NUMERIC(0, UA_NS0ID_HASPROPERTY);
for(size_t i = 0; i < ofMethod->referencesSize; i++) {
if(ofMethod->references[i].isInverse == false &&
UA_NodeId_equal(&hasProperty, &ofMethod->references[i].referenceTypeId)) {
const UA_Node *refTarget =
UA_NodeStore_get(server->nodestore, &ofMethod->references[i].targetId.nodeId);
if(!refTarget)
continue;
if(refTarget->nodeClass == UA_NODECLASS_VARIABLE &&
refTarget->browseName.namespaceIndex == 0 &&
UA_String_equal(&withBrowseName, &refTarget->browseName.name)) {
return (const UA_VariableNode*) refTarget;
}
}
}
return NULL;
}
UA_StatusCode
UA_Client_NamespaceGetIndex(UA_Client *client, UA_String *namespaceUri, UA_UInt16 *namespaceIndex) {
UA_ReadRequest request;
UA_ReadRequest_init(&request);
UA_ReadValueId id;
id.attributeId = UA_ATTRIBUTEID_VALUE;
id.nodeId = UA_NODEID_NUMERIC(0, UA_NS0ID_SERVER_NAMESPACEARRAY);
request.nodesToRead = &id;
request.nodesToReadSize = 1;
UA_ReadResponse response = UA_Client_Service_read(client, request);
UA_StatusCode retval = UA_STATUSCODE_GOOD;
if(response.responseHeader.serviceResult != UA_STATUSCODE_GOOD)
retval = response.responseHeader.serviceResult;
else if(response.resultsSize != 1 || !response.results[0].hasValue)
retval = UA_STATUSCODE_BADNODEATTRIBUTESINVALID;
else if(response.results[0].value.type != &UA_TYPES[UA_TYPES_STRING])
retval = UA_STATUSCODE_BADTYPEMISMATCH;
if(retval != UA_STATUSCODE_GOOD) {
UA_ReadResponse_deleteMembers(&response);
return retval;
}
retval = UA_STATUSCODE_BADNOTFOUND;
UA_String *ns = response.results[0].value.data;
for(size_t i = 0; i < response.results[0].value.arrayLength; i++){
if(UA_String_equal(namespaceUri, &ns[i])) {
*namespaceIndex = (UA_UInt16)i;
retval = UA_STATUSCODE_GOOD;
break;
}
}
UA_ReadResponse_deleteMembers(&response);
return retval;
}
END_TEST
START_TEST(Service_Browse_WithBrowseName) {
UA_ServerConfig *config = UA_ServerConfig_new_default();
UA_Server *server = UA_Server_new(config);
UA_BrowseDescription bd;
UA_BrowseDescription_init(&bd);
bd.resultMask = UA_BROWSERESULTMASK_BROWSENAME;
bd.nodeId = UA_NODEID_NUMERIC(0, UA_NS0ID_OBJECTSFOLDER);
bd.referenceTypeId = UA_NODEID_NUMERIC(0, UA_NS0ID_ORGANIZES);
bd.browseDirection = UA_BROWSEDIRECTION_FORWARD;
UA_BrowseResult br = UA_Server_browse(server, 0, &bd);
ck_assert_int_eq(br.statusCode, UA_STATUSCODE_GOOD);
ck_assert(br.referencesSize > 0);
ck_assert(!UA_String_equal(&br.references[0].browseName.name, &UA_STRING_NULL));
UA_BrowseResult_deleteMembers(&br);
UA_Server_delete(server);
UA_ServerConfig_delete(config);
}
static void
Operation_Read(UA_Server *server, UA_Session *session,
const UA_ReadValueId *id, UA_DataValue *v) {
UA_LOG_DEBUG_SESSION(server->config.logger, session,
"Read the attribute %i", id->attributeId);
/* XML encoding is not supported */
if(id->dataEncoding.name.length > 0 &&
!UA_String_equal(&binEncoding, &id->dataEncoding.name)) {
v->hasStatus = true;
v->status = UA_STATUSCODE_BADDATAENCODINGUNSUPPORTED;
return;
}
/* Index range for an attribute other than value */
if(id->indexRange.length > 0 && id->attributeId != UA_ATTRIBUTEID_VALUE) {
v->hasStatus = true;
v->status = UA_STATUSCODE_BADINDEXRANGENODATA;
return;
}
/* Get the node */
const UA_Node *node = UA_Nodestore_get(server, &id->nodeId);
if(!node) {
v->hasStatus = true;
v->status = UA_STATUSCODE_BADNODEIDUNKNOWN;
return;
}
/* Read the attribute */
UA_StatusCode retval = UA_STATUSCODE_GOOD;
switch(id->attributeId) {
case UA_ATTRIBUTEID_NODEID:
retval = UA_Variant_setScalarCopy(&v->value, &node->nodeId, &UA_TYPES[UA_TYPES_NODEID]);
break;
case UA_ATTRIBUTEID_NODECLASS:
retval = UA_Variant_setScalarCopy(&v->value, &node->nodeClass, &UA_TYPES[UA_TYPES_NODECLASS]);
break;
case UA_ATTRIBUTEID_BROWSENAME:
retval = UA_Variant_setScalarCopy(&v->value, &node->browseName, &UA_TYPES[UA_TYPES_QUALIFIEDNAME]);
break;
case UA_ATTRIBUTEID_DISPLAYNAME:
retval = UA_Variant_setScalarCopy(&v->value, &node->displayName, &UA_TYPES[UA_TYPES_LOCALIZEDTEXT]);
break;
case UA_ATTRIBUTEID_DESCRIPTION:
retval = UA_Variant_setScalarCopy(&v->value, &node->description, &UA_TYPES[UA_TYPES_LOCALIZEDTEXT]);
break;
case UA_ATTRIBUTEID_WRITEMASK:
retval = UA_Variant_setScalarCopy(&v->value, &node->writeMask, &UA_TYPES[UA_TYPES_UINT32]);
break;
case UA_ATTRIBUTEID_USERWRITEMASK: {
UA_UInt32 userWriteMask = getUserWriteMask(server, session, node);
retval = UA_Variant_setScalarCopy(&v->value, &userWriteMask, &UA_TYPES[UA_TYPES_UINT32]);
break; }
case UA_ATTRIBUTEID_ISABSTRACT:
retval = readIsAbstractAttribute(node, &v->value);
break;
case UA_ATTRIBUTEID_SYMMETRIC:
CHECK_NODECLASS(UA_NODECLASS_REFERENCETYPE);
retval = UA_Variant_setScalarCopy(&v->value, &((const UA_ReferenceTypeNode*)node)->symmetric,
&UA_TYPES[UA_TYPES_BOOLEAN]);
break;
case UA_ATTRIBUTEID_INVERSENAME:
CHECK_NODECLASS(UA_NODECLASS_REFERENCETYPE);
retval = UA_Variant_setScalarCopy(&v->value, &((const UA_ReferenceTypeNode*)node)->inverseName,
&UA_TYPES[UA_TYPES_LOCALIZEDTEXT]);
break;
case UA_ATTRIBUTEID_CONTAINSNOLOOPS:
CHECK_NODECLASS(UA_NODECLASS_VIEW);
retval = UA_Variant_setScalarCopy(&v->value, &((const UA_ViewNode*)node)->containsNoLoops,
&UA_TYPES[UA_TYPES_BOOLEAN]);
break;
case UA_ATTRIBUTEID_EVENTNOTIFIER:
CHECK_NODECLASS(UA_NODECLASS_VIEW | UA_NODECLASS_OBJECT);
retval = UA_Variant_setScalarCopy(&v->value, &((const UA_ViewNode*)node)->eventNotifier,
&UA_TYPES[UA_TYPES_BYTE]);
break;
case UA_ATTRIBUTEID_VALUE: {
CHECK_NODECLASS(UA_NODECLASS_VARIABLE | UA_NODECLASS_VARIABLETYPE);
/* VariableTypes don't have the AccessLevel concept. Always allow reading the value. */
if(node->nodeClass == UA_NODECLASS_VARIABLE) {
/* The access to a value variable is granted via the AccessLevel
* and UserAccessLevel attributes */
UA_Byte accessLevel = getAccessLevel(server, session, (const UA_VariableNode*)node);
if(!(accessLevel & (UA_ACCESSLEVELMASK_READ))) {
retval = UA_STATUSCODE_BADNOTREADABLE;
break;
}
accessLevel = getUserAccessLevel(server, session,
(const UA_VariableNode*)node);
if(!(accessLevel & (UA_ACCESSLEVELMASK_READ))) {
retval = UA_STATUSCODE_BADUSERACCESSDENIED;
break;
}
}
retval = readValueAttributeComplete(server, session, (const UA_VariableNode*)node,
op_timestampsToReturn, &id->indexRange, v);
break;
}
case UA_ATTRIBUTEID_DATATYPE:
CHECK_NODECLASS(UA_NODECLASS_VARIABLE | UA_NODECLASS_VARIABLETYPE);
retval = UA_Variant_setScalarCopy(&v->value, &((const UA_VariableTypeNode*)node)->dataType,
&UA_TYPES[UA_TYPES_NODEID]);
break;
case UA_ATTRIBUTEID_VALUERANK:
CHECK_NODECLASS(UA_NODECLASS_VARIABLE | UA_NODECLASS_VARIABLETYPE);
retval = UA_Variant_setScalarCopy(&v->value, &((const UA_VariableTypeNode*)node)->valueRank,
&UA_TYPES[UA_TYPES_INT32]);
break;
case UA_ATTRIBUTEID_ARRAYDIMENSIONS:
CHECK_NODECLASS(UA_NODECLASS_VARIABLE | UA_NODECLASS_VARIABLETYPE);
retval = readArrayDimensionsAttribute((const UA_VariableNode*)node, v);
break;
case UA_ATTRIBUTEID_ACCESSLEVEL:
CHECK_NODECLASS(UA_NODECLASS_VARIABLE);
retval = UA_Variant_setScalarCopy(&v->value, &((const UA_VariableNode*)node)->accessLevel,
&UA_TYPES[UA_TYPES_BYTE]);
break;
case UA_ATTRIBUTEID_USERACCESSLEVEL: {
CHECK_NODECLASS(UA_NODECLASS_VARIABLE);
UA_Byte userAccessLevel = getUserAccessLevel(server, session,
(const UA_VariableNode*)node);
retval = UA_Variant_setScalarCopy(&v->value, &userAccessLevel, &UA_TYPES[UA_TYPES_BYTE]);
break; }
case UA_ATTRIBUTEID_MINIMUMSAMPLINGINTERVAL:
CHECK_NODECLASS(UA_NODECLASS_VARIABLE);
retval = UA_Variant_setScalarCopy(&v->value, &((const UA_VariableNode*)node)->minimumSamplingInterval,
&UA_TYPES[UA_TYPES_DOUBLE]);
break;
case UA_ATTRIBUTEID_HISTORIZING:
CHECK_NODECLASS(UA_NODECLASS_VARIABLE);
retval = UA_Variant_setScalarCopy(&v->value, &((const UA_VariableNode*)node)->historizing,
&UA_TYPES[UA_TYPES_BOOLEAN]);
break;
case UA_ATTRIBUTEID_EXECUTABLE:
CHECK_NODECLASS(UA_NODECLASS_METHOD);
retval = UA_Variant_setScalarCopy(&v->value, &((const UA_MethodNode*)node)->executable,
&UA_TYPES[UA_TYPES_BOOLEAN]);
break;
case UA_ATTRIBUTEID_USEREXECUTABLE: {
CHECK_NODECLASS(UA_NODECLASS_METHOD);
UA_Boolean userExecutable = getUserExecutable(server, session,
(const UA_MethodNode*)node);
retval = UA_Variant_setScalarCopy(&v->value, &userExecutable, &UA_TYPES[UA_TYPES_BOOLEAN]);
break; }
default:
retval = UA_STATUSCODE_BADATTRIBUTEIDINVALID;
}
/* Release nodes */
UA_Nodestore_release(server, node);
/* Return error code when reading has failed */
if(retval != UA_STATUSCODE_GOOD) {
v->hasStatus = true;
v->status = retval;
return;
}
v->hasValue = true;
/* Create server timestamp */
if(op_timestampsToReturn == UA_TIMESTAMPSTORETURN_SERVER ||
op_timestampsToReturn == UA_TIMESTAMPSTORETURN_BOTH) {
v->serverTimestamp = UA_DateTime_now();
v->hasServerTimestamp = true;
}
/* Handle source time stamp */
if(id->attributeId == UA_ATTRIBUTEID_VALUE) {
if(op_timestampsToReturn == UA_TIMESTAMPSTORETURN_SERVER ||
op_timestampsToReturn == UA_TIMESTAMPSTORETURN_NEITHER) {
v->hasSourceTimestamp = false;
v->hasSourcePicoseconds = false;
} else if(!v->hasSourceTimestamp) {
v->sourceTimestamp = UA_DateTime_now();
v->hasSourceTimestamp = true;
}
}
}
/* When a change is detected, encoding contains the heap-allocated binary
* encoded value. The default for changed is false. */
static UA_StatusCode
detectValueChangeWithFilter(UA_Server *server, UA_MonitoredItem *mon, UA_DataValue *value,
UA_ByteString *encoding, UA_Boolean *changed) {
if(UA_DataType_isNumeric(value->value.type) &&
(mon->filter.dataChangeFilter.trigger == UA_DATACHANGETRIGGER_STATUSVALUE ||
mon->filter.dataChangeFilter.trigger == UA_DATACHANGETRIGGER_STATUSVALUETIMESTAMP)) {
if(mon->filter.dataChangeFilter.deadbandType == UA_DEADBANDTYPE_ABSOLUTE) {
if(!updateNeededForFilteredValue(&value->value, &mon->lastValue,
mon->filter.dataChangeFilter.deadbandValue))
return UA_STATUSCODE_GOOD;
}
#ifdef UA_ENABLE_DA
else if(mon->filter.dataChangeFilter.deadbandType == UA_DEADBANDTYPE_PERCENT) {
UA_QualifiedName qn = UA_QUALIFIEDNAME(0, "EURange");
UA_BrowsePathResult bpr = UA_Server_browseSimplifiedBrowsePath(server, mon->monitoredNodeId, 1, &qn);
if(bpr.statusCode != UA_STATUSCODE_GOOD || bpr.targetsSize < 1) { //if branch is not entried, property has been found
UA_BrowsePathResult_deleteMembers(&bpr);
return UA_STATUSCODE_GOOD;
}
const UA_VariableNode* node =
(const UA_VariableNode*) UA_Nodestore_getNode(server->nsCtx, &bpr.targets->targetId.nodeId);
UA_Range* euRange = (UA_Range*) node->value.data.value.value.data;
if(!updateNeededForFilteredPercentValue(&value->value, &mon->lastValue,
mon->filter.dataChangeFilter.deadbandValue, euRange)) {
if(!updateNeededForStatusCode(value, mon)) //when same value, but different status code is written
return UA_STATUSCODE_GOOD;
}
}
#endif
}
/* Stack-allocate some memory for the value encoding. We might heap-allocate
* more memory if needed. This is just enough for scalars and small
* structures. */
UA_STACKARRAY(UA_Byte, stackValueEncoding, UA_VALUENCODING_MAXSTACK);
UA_ByteString valueEncoding;
valueEncoding.data = stackValueEncoding;
valueEncoding.length = UA_VALUENCODING_MAXSTACK;
/* Encode the value */
UA_Byte *bufPos = valueEncoding.data;
const UA_Byte *bufEnd = &valueEncoding.data[valueEncoding.length];
UA_StatusCode retval = UA_encodeBinary(value, &UA_TYPES[UA_TYPES_DATAVALUE],
&bufPos, &bufEnd, NULL, NULL);
if(retval == UA_STATUSCODE_BADENCODINGERROR) {
size_t binsize = UA_calcSizeBinary(value, &UA_TYPES[UA_TYPES_DATAVALUE]);
if(binsize == 0)
return UA_STATUSCODE_BADENCODINGERROR;
if(binsize > UA_VALUENCODING_MAXSTACK) {
retval = UA_ByteString_allocBuffer(&valueEncoding, binsize);
if(retval == UA_STATUSCODE_GOOD) {
bufPos = valueEncoding.data;
bufEnd = &valueEncoding.data[valueEncoding.length];
retval = UA_encodeBinary(value, &UA_TYPES[UA_TYPES_DATAVALUE],
&bufPos, &bufEnd, NULL, NULL);
}
}
}
if(retval != UA_STATUSCODE_GOOD) {
if(valueEncoding.data != stackValueEncoding)
UA_ByteString_deleteMembers(&valueEncoding);
return retval;
}
/* Has the value changed? */
valueEncoding.length = (uintptr_t)bufPos - (uintptr_t)valueEncoding.data;
*changed = (!mon->lastSampledValue.data ||
!UA_String_equal(&valueEncoding, &mon->lastSampledValue));
/* No change */
if(!(*changed)) {
if(valueEncoding.data != stackValueEncoding)
UA_ByteString_deleteMembers(&valueEncoding);
return UA_STATUSCODE_GOOD;
}
/* Change detected. Copy encoding on the heap if necessary. */
if(valueEncoding.data == stackValueEncoding)
return UA_ByteString_copy(&valueEncoding, encoding);
*encoding = valueEncoding;
return UA_STATUSCODE_GOOD;
}
END_TEST
static void
FindAndCheck(const UA_String expectedUris[], size_t expectedUrisSize,
const UA_String expectedLocales[],
const UA_String expectedNames[],
const char *filterUri,
const char *filterLocale) {
UA_Client *client = UA_Client_new();
UA_ClientConfig_setDefault(UA_Client_getConfig(client));
UA_ApplicationDescription* applicationDescriptionArray = NULL;
size_t applicationDescriptionArraySize = 0;
size_t serverUrisSize = 0;
UA_String *serverUris = NULL;
if(filterUri) {
serverUrisSize = 1;
serverUris = UA_String_new();
serverUris[0] = UA_String_fromChars(filterUri);
}
size_t localeIdsSize = 0;
UA_String *localeIds = NULL;
if(filterLocale) {
localeIdsSize = 1;
localeIds = UA_String_new();
localeIds[0] = UA_String_fromChars(filterLocale);
}
UA_StatusCode retval =
UA_Client_findServers(client, "opc.tcp://localhost:4840",
serverUrisSize, serverUris, localeIdsSize, localeIds,
&applicationDescriptionArraySize, &applicationDescriptionArray);
if(filterUri)
UA_Array_delete(serverUris, serverUrisSize, &UA_TYPES[UA_TYPES_STRING]);
if(filterLocale)
UA_Array_delete(localeIds, localeIdsSize, &UA_TYPES[UA_TYPES_STRING]);
ck_assert_uint_eq(retval, UA_STATUSCODE_GOOD);
// only the discovery server is expected
ck_assert_uint_eq(applicationDescriptionArraySize, expectedUrisSize);
ck_assert(applicationDescriptionArray != NULL);
for(size_t i = 0; i < expectedUrisSize; ++i) {
ck_assert(UA_String_equal(&applicationDescriptionArray[i].applicationUri,
&expectedUris[i]));
if(expectedNames)
ck_assert(UA_String_equal(&applicationDescriptionArray[i].applicationName.text,
&expectedNames[i]));
if (expectedLocales)
ck_assert(UA_String_equal(&applicationDescriptionArray[i].applicationName.locale,
&expectedLocales[i]));
}
UA_Array_delete(applicationDescriptionArray, applicationDescriptionArraySize,
&UA_TYPES[UA_TYPES_APPLICATIONDESCRIPTION]);
UA_Client_disconnect(client);
UA_Client_delete(client);
}
/** Reads a single attribute from a node in the nodestore. */
static void readValue(UA_Server *server, UA_TimestampsToReturn timestamps,
const UA_ReadValueId *id, UA_DataValue *v) {
UA_String binEncoding = UA_STRING("DefaultBinary");
UA_String xmlEncoding = UA_STRING("DefaultXml");
if(id->dataEncoding.name.length >= 0){
if(!UA_String_equal(&binEncoding, &id->dataEncoding.name) &&
!UA_String_equal(&xmlEncoding, &id->dataEncoding.name)) {
v->hasStatus = UA_TRUE;
v->status = UA_STATUSCODE_BADDATAENCODINGINVALID;
return;
}
}
//index range for a non-value
if(id->indexRange.length >= 0 && id->attributeId != UA_ATTRIBUTEID_VALUE){
v->hasStatus = UA_TRUE;
v->status = UA_STATUSCODE_BADINDEXRANGENODATA;
return;
}
UA_Node const *node = UA_NodeStore_get(server->nodestore, &(id->nodeId));
if(!node) {
v->hasStatus = UA_TRUE;
v->status = UA_STATUSCODE_BADNODEIDUNKNOWN;
return;
}
UA_StatusCode retval = UA_STATUSCODE_GOOD;
switch(id->attributeId) {
case UA_ATTRIBUTEID_NODEID:
v->hasValue = UA_TRUE;
retval |= UA_Variant_setScalarCopy(&v->value, &node->nodeId, &UA_TYPES[UA_TYPES_NODEID]);
break;
case UA_ATTRIBUTEID_NODECLASS:
v->hasValue = UA_TRUE;
retval |= UA_Variant_setScalarCopy(&v->value, &node->nodeClass, &UA_TYPES[UA_TYPES_INT32]);
break;
case UA_ATTRIBUTEID_BROWSENAME:
v->hasValue = UA_TRUE;
retval |= UA_Variant_setScalarCopy(&v->value, &node->browseName, &UA_TYPES[UA_TYPES_QUALIFIEDNAME]);
break;
case UA_ATTRIBUTEID_DISPLAYNAME:
retval |= UA_Variant_setScalarCopy(&v->value, &node->displayName, &UA_TYPES[UA_TYPES_LOCALIZEDTEXT]);
if(retval == UA_STATUSCODE_GOOD)
v->hasValue = UA_TRUE;
break;
case UA_ATTRIBUTEID_DESCRIPTION:
v->hasValue = UA_TRUE;
retval |= UA_Variant_setScalarCopy(&v->value, &node->description, &UA_TYPES[UA_TYPES_LOCALIZEDTEXT]);
break;
case UA_ATTRIBUTEID_WRITEMASK:
v->hasValue = UA_TRUE;
retval |= UA_Variant_setScalarCopy(&v->value, &node->writeMask, &UA_TYPES[UA_TYPES_UINT32]);
break;
case UA_ATTRIBUTEID_USERWRITEMASK:
v->hasValue = UA_TRUE;
retval |= UA_Variant_setScalarCopy(&v->value, &node->userWriteMask, &UA_TYPES[UA_TYPES_UINT32]);
break;
case UA_ATTRIBUTEID_ISABSTRACT:
CHECK_NODECLASS(UA_NODECLASS_REFERENCETYPE | UA_NODECLASS_OBJECTTYPE | UA_NODECLASS_VARIABLETYPE |
UA_NODECLASS_DATATYPE);
v->hasValue = UA_TRUE;
retval |= UA_Variant_setScalarCopy(&v->value, &((const UA_ReferenceTypeNode *)node)->isAbstract,
&UA_TYPES[UA_TYPES_BOOLEAN]);
break;
case UA_ATTRIBUTEID_SYMMETRIC:
CHECK_NODECLASS(UA_NODECLASS_REFERENCETYPE);
v->hasValue = UA_TRUE;
retval |= UA_Variant_setScalarCopy(&v->value, &((const UA_ReferenceTypeNode *)node)->symmetric,
&UA_TYPES[UA_TYPES_BOOLEAN]);
break;
case UA_ATTRIBUTEID_INVERSENAME:
CHECK_NODECLASS(UA_NODECLASS_REFERENCETYPE);
v->hasValue = UA_TRUE;
retval |= UA_Variant_setScalarCopy(&v->value, &((const UA_ReferenceTypeNode *)node)->inverseName,
&UA_TYPES[UA_TYPES_LOCALIZEDTEXT]);
break;
case UA_ATTRIBUTEID_CONTAINSNOLOOPS:
CHECK_NODECLASS(UA_NODECLASS_VIEW);
v->hasValue = UA_TRUE;
retval |= UA_Variant_setScalarCopy(&v->value, &((const UA_ViewNode *)node)->containsNoLoops,
&UA_TYPES[UA_TYPES_BOOLEAN]);
break;
case UA_ATTRIBUTEID_EVENTNOTIFIER:
CHECK_NODECLASS(UA_NODECLASS_VIEW | UA_NODECLASS_OBJECT);
v->hasValue = UA_TRUE;
if(node->nodeClass == UA_NODECLASS_VIEW){
retval |= UA_Variant_setScalarCopy(&v->value, &((const UA_ViewNode *)node)->eventNotifier,
&UA_TYPES[UA_TYPES_BYTE]);
} else {
retval |= UA_Variant_setScalarCopy(&v->value, &((const UA_ObjectNode *)node)->eventNotifier,
&UA_TYPES[UA_TYPES_BYTE]);
}
break;
case UA_ATTRIBUTEID_VALUE:
CHECK_NODECLASS(UA_NODECLASS_VARIABLE | UA_NODECLASS_VARIABLETYPE);
{
if(node->nodeClass != UA_NODECLASS_VARIABLE) {
v->hasValue = UA_FALSE;
handleSourceTimestamps(timestamps, v);
}
UA_Boolean hasRange = UA_FALSE;
UA_NumericRange range;
if(id->indexRange.length > 0) {
retval = parse_numericrange(id->indexRange, &range);
if(retval != UA_STATUSCODE_GOOD)
break;
hasRange = UA_TRUE;
}
const UA_VariableNode *vn = (const UA_VariableNode*)node;
if(vn->valueSource == UA_VALUESOURCE_VARIANT) {
if(hasRange)
retval |= UA_Variant_copyRange(&vn->value.variant, &v->value, range);
else
retval |= UA_Variant_copy(&vn->value.variant, &v->value);
if(retval == UA_STATUSCODE_GOOD) {
v->hasValue = UA_TRUE;
handleSourceTimestamps(timestamps, v);
}
} else {
UA_DataValue val;
UA_DataValue_init(&val);
UA_Boolean sourceTimeStamp = (timestamps == UA_TIMESTAMPSTORETURN_SOURCE ||
timestamps == UA_TIMESTAMPSTORETURN_BOTH);
if(hasRange)
retval |= vn->value.dataSource.read(vn->value.dataSource.handle, sourceTimeStamp, &range, &val);
else
retval |= vn->value.dataSource.read(vn->value.dataSource.handle, sourceTimeStamp, UA_NULL, &val);
if(retval == UA_STATUSCODE_GOOD) {
retval |= UA_DataValue_copy(&val, v); // todo: still too much copying necessary!!
vn->value.dataSource.release(vn->value.dataSource.handle, &val);
}
}
if(hasRange)
UA_free(range.dimensions);
}
break;
case UA_ATTRIBUTEID_DATATYPE: {
CHECK_NODECLASS(UA_NODECLASS_VARIABLE | UA_NODECLASS_VARIABLETYPE);
const UA_VariableNode *vn = (const UA_VariableNode*)node;
if(vn->valueSource == UA_VALUESOURCE_VARIANT)
retval = UA_Variant_setScalarCopy(&v->value, &vn->value.variant.type->typeId,
&UA_TYPES[UA_TYPES_NODEID]);
else {
UA_DataValue val;
UA_DataValue_init(&val);
retval = vn->value.dataSource.read(vn->value.dataSource.handle, UA_FALSE, UA_NULL, &val);
if(retval != UA_STATUSCODE_GOOD)
break;
retval = UA_Variant_setScalarCopy(&v->value, &val.value.type->typeId, &UA_TYPES[UA_TYPES_NODEID]);
vn->value.dataSource.release(vn->value.dataSource.handle, &val);
}
if(retval == UA_STATUSCODE_GOOD)
v->hasValue = UA_TRUE;
}
break;
case UA_ATTRIBUTEID_VALUERANK:
CHECK_NODECLASS(UA_NODECLASS_VARIABLE | UA_NODECLASS_VARIABLETYPE);
v->hasValue = UA_TRUE;
retval |= UA_Variant_setScalarCopy(&v->value, &((const UA_VariableTypeNode *)node)->valueRank,
&UA_TYPES[UA_TYPES_INT32]);
break;
case UA_ATTRIBUTEID_ARRAYDIMENSIONS:
CHECK_NODECLASS(UA_NODECLASS_VARIABLE | UA_NODECLASS_VARIABLETYPE);
{
const UA_VariableNode *vn = (const UA_VariableNode *)node;
if(vn->valueSource == UA_VALUESOURCE_VARIANT) {
retval = UA_Variant_setArrayCopy(&v->value, vn->value.variant.arrayDimensions,
vn->value.variant.arrayDimensionsSize,
&UA_TYPES[UA_TYPES_INT32]);
if(retval == UA_STATUSCODE_GOOD)
v->hasValue = UA_TRUE;
} else {
UA_DataValue val;
UA_DataValue_init(&val);
retval |= vn->value.dataSource.read(vn->value.dataSource.handle, UA_FALSE, UA_NULL, &val);
if(retval != UA_STATUSCODE_GOOD)
break;
if(!val.hasValue)
retval = UA_STATUSCODE_BADNOTREADABLE;
else
retval = UA_Variant_setArrayCopy(&v->value, val.value.arrayDimensions,
val.value.arrayDimensionsSize, &UA_TYPES[UA_TYPES_INT32]);
vn->value.dataSource.release(vn->value.dataSource.handle, &val);
}
}
break;
case UA_ATTRIBUTEID_ACCESSLEVEL:
CHECK_NODECLASS(UA_NODECLASS_VARIABLE);
v->hasValue = UA_TRUE;
retval |= UA_Variant_setScalarCopy(&v->value, &((const UA_VariableNode *)node)->accessLevel,
&UA_TYPES[UA_TYPES_BYTE]);
break;
case UA_ATTRIBUTEID_USERACCESSLEVEL:
CHECK_NODECLASS(UA_NODECLASS_VARIABLE);
v->hasValue = UA_TRUE;
retval |= UA_Variant_setScalarCopy(&v->value, &((const UA_VariableNode *)node)->userAccessLevel,
&UA_TYPES[UA_TYPES_BYTE]);
break;
case UA_ATTRIBUTEID_MINIMUMSAMPLINGINTERVAL:
CHECK_NODECLASS(UA_NODECLASS_VARIABLE);
v->hasValue = UA_TRUE;
retval |= UA_Variant_setScalarCopy(&v->value, &((const UA_VariableNode *)node)->minimumSamplingInterval,
&UA_TYPES[UA_TYPES_DOUBLE]);
break;
case UA_ATTRIBUTEID_HISTORIZING:
CHECK_NODECLASS(UA_NODECLASS_VARIABLE);
v->hasValue = UA_TRUE;
retval |= UA_Variant_setScalarCopy(&v->value, &((const UA_VariableNode *)node)->historizing,
&UA_TYPES[UA_TYPES_BOOLEAN]);
break;
case UA_ATTRIBUTEID_EXECUTABLE:
CHECK_NODECLASS(UA_NODECLASS_METHOD);
v->hasValue = UA_TRUE;
retval |= UA_Variant_setScalarCopy(&v->value, &((const UA_MethodNode *)node)->executable,
&UA_TYPES[UA_TYPES_BOOLEAN]);
break;
case UA_ATTRIBUTEID_USEREXECUTABLE:
CHECK_NODECLASS(UA_NODECLASS_METHOD);
v->hasValue = UA_TRUE;
retval |= UA_Variant_setScalarCopy(&v->value, &((const UA_MethodNode *)node)->userExecutable,
&UA_TYPES[UA_TYPES_BOOLEAN]);
break;
default:
v->hasStatus = UA_TRUE;
v->status = UA_STATUSCODE_BADATTRIBUTEIDINVALID;
break;
}
UA_NodeStore_release(node);
if(retval != UA_STATUSCODE_GOOD) {
v->hasStatus = UA_TRUE;
v->status = retval;
}
handleServerTimestamps(timestamps, v);
}
} END_TEST
START_TEST(AddAndRemovePublishedDataSetFolders){
UA_StatusCode retVal;
UA_Client *client = UA_Client_new();
UA_ClientConfig_setDefault(UA_Client_getConfig(client));
retVal = UA_Client_connect(client, "opc.tcp://localhost:4840");
if(retVal != UA_STATUSCODE_GOOD) {
UA_Client_delete(client);
}
ck_assert_int_eq(retVal, UA_STATUSCODE_GOOD);
UA_String folderName = UA_STRING("TestFolder");
UA_Variant inputArguments;
UA_Variant_init(&inputArguments);
UA_Variant_setScalar(&inputArguments, &folderName, &UA_TYPES[UA_TYPES_STRING]);
UA_CallMethodRequest callMethodRequest;
UA_CallMethodRequest_init(&callMethodRequest);
callMethodRequest.inputArgumentsSize = 1;
callMethodRequest.inputArguments = &inputArguments;
callMethodRequest.objectId = UA_NODEID_NUMERIC(0, UA_NS0ID_PUBLISHSUBSCRIBE_PUBLISHEDDATASETS);
callMethodRequest.methodId = UA_NODEID_NUMERIC(0, UA_NS0ID_DATASETFOLDERTYPE_ADDDATASETFOLDER);
UA_CallMethodResult result;
UA_CallMethodResult_init(&result);
result = UA_Server_call(server, &callMethodRequest);
ck_assert_int_eq(1, result.outputArgumentsSize);
ck_assert_int_eq(result.statusCode, UA_STATUSCODE_GOOD);
UA_NodeId createdFolder = UA_NODEID_NULL;
if(result.outputArguments->type == &UA_TYPES[UA_TYPES_NODEID])
createdFolder = *((UA_NodeId *) result.outputArguments->data);
UA_LocalizedText connectionDisplayName;
UA_LocalizedText_init(&connectionDisplayName);
retVal = UA_Server_readDisplayName(server, createdFolder, &connectionDisplayName);
ck_assert_int_eq(retVal, UA_STATUSCODE_GOOD);
UA_String compareText = UA_STRING("TestFolder");
ck_assert(UA_String_equal(&connectionDisplayName.text, &compareText) == UA_TRUE);
retVal = UA_Server_readNodeId(server, createdFolder, &createdFolder);
ck_assert_int_eq(retVal, UA_STATUSCODE_GOOD);
UA_CallMethodResult_deleteMembers(&result);
UA_LocalizedText_deleteMembers(&connectionDisplayName);
//create folder inside the new folder
folderName = UA_STRING("TestFolder2");
UA_Variant_init(&inputArguments);
UA_Variant_setScalar(&inputArguments, &folderName, &UA_TYPES[UA_TYPES_STRING]);
UA_CallMethodRequest_init(&callMethodRequest);
callMethodRequest.inputArgumentsSize = 1;
callMethodRequest.inputArguments = &inputArguments;
callMethodRequest.objectId = createdFolder;
callMethodRequest.methodId = UA_NODEID_NUMERIC(0, UA_NS0ID_DATASETFOLDERTYPE_ADDDATASETFOLDER);
UA_CallMethodResult_init(&result);
result = UA_Server_call(server, &callMethodRequest);
ck_assert_int_eq(1, result.outputArgumentsSize);
ck_assert_int_eq(result.statusCode, UA_STATUSCODE_GOOD);
UA_NodeId createdFolder2 = UA_NODEID_NULL;
if(result.outputArguments->type == &UA_TYPES[UA_TYPES_NODEID])
createdFolder2 = *((UA_NodeId *) result.outputArguments->data);
UA_LocalizedText_init(&connectionDisplayName);
retVal = UA_Server_readDisplayName(server, createdFolder2, &connectionDisplayName);
ck_assert_int_eq(retVal, UA_STATUSCODE_GOOD);
compareText = UA_STRING("TestFolder2");
ck_assert(UA_String_equal(&connectionDisplayName.text, &compareText) == UA_TRUE);
retVal = UA_Server_readNodeId(server, createdFolder2, &createdFolder2);
ck_assert_int_eq(retVal, UA_STATUSCODE_GOOD);
UA_CallMethodResult_deleteMembers(&result);
//delete the folder
UA_Variant_init(&inputArguments);
UA_Variant_setScalar(&inputArguments, &createdFolder, &UA_TYPES[UA_TYPES_NODEID]);
UA_CallMethodRequest_init(&callMethodRequest);
callMethodRequest.inputArgumentsSize = 1;
callMethodRequest.inputArguments = &inputArguments;
callMethodRequest.objectId = UA_NODEID_NUMERIC(0, UA_NS0ID_PUBLISHSUBSCRIBE_PUBLISHEDDATASETS);
callMethodRequest.methodId = UA_NODEID_NUMERIC(0, UA_NS0ID_DATASETFOLDERTYPE_REMOVEDATASETFOLDER);
result = UA_Server_call(server, &callMethodRequest);
ck_assert_int_eq(0, result.outputArgumentsSize);
ck_assert_int_eq(result.statusCode, UA_STATUSCODE_GOOD);
//check if the node is deleted
retVal = UA_Server_readNodeId(server, createdFolder, NULL);
ck_assert_int_eq(retVal, UA_STATUSCODE_BADNODEIDUNKNOWN);
UA_CallMethodResult_deleteMembers(&result);
UA_Client_disconnect(client);
UA_Client_delete(client);
UA_LocalizedText_deleteMembers(&connectionDisplayName);
} END_TEST
/* Combination of UA_Client_getEndpointsInternal and getEndpoints */
static void
responseGetEndpoints(UA_Client *client, void *userdata, UA_UInt32 requestId,
void *response) {
UA_EndpointDescription* endpointArray = NULL;
size_t endpointArraySize = 0;
UA_GetEndpointsResponse* resp;
resp = (UA_GetEndpointsResponse*)response;
if (resp->responseHeader.serviceResult != UA_STATUSCODE_GOOD) {
client->connectStatus = resp->responseHeader.serviceResult;
UA_LOG_ERROR(&client->config.logger, UA_LOGCATEGORY_CLIENT,
"GetEndpointRequest failed with error code %s",
UA_StatusCode_name (client->connectStatus));
UA_GetEndpointsResponse_deleteMembers(resp);
return;
}
endpointArray = resp->endpoints;
endpointArraySize = resp->endpointsSize;
resp->endpoints = NULL;
resp->endpointsSize = 0;
UA_Boolean endpointFound = false;
UA_Boolean tokenFound = false;
UA_String securityNone = UA_STRING("http://opcfoundation.org/UA/SecurityPolicy#None");
UA_String binaryTransport = UA_STRING("http://opcfoundation.org/UA-Profile/"
"Transport/uatcp-uasc-uabinary");
// TODO: compare endpoint information with client->endpointUri
for(size_t i = 0; i < endpointArraySize; ++i) {
UA_EndpointDescription* endpoint = &endpointArray[i];
/* look out for binary transport endpoints */
/* Note: Siemens returns empty ProfileUrl, we will accept it as binary */
if(endpoint->transportProfileUri.length != 0
&& !UA_String_equal (&endpoint->transportProfileUri,
&binaryTransport))
continue;
/* Look for an endpoint corresponding to the client security policy */
if(!UA_String_equal(&endpoint->securityPolicyUri, &client->channel.securityPolicy->policyUri))
continue;
endpointFound = true;
/* Look for a user token policy with an anonymous token */
for(size_t j = 0; j < endpoint->userIdentityTokensSize; ++j) {
UA_UserTokenPolicy* userToken = &endpoint->userIdentityTokens[j];
/* Usertokens also have a security policy... */
if(userToken->securityPolicyUri.length > 0 &&
!UA_String_equal(&userToken->securityPolicyUri, &securityNone))
continue;
/* Does the token type match the client configuration? */
if((userToken->tokenType == UA_USERTOKENTYPE_ANONYMOUS &&
client->config.userIdentityToken.content.decoded.type !=
&UA_TYPES[UA_TYPES_ANONYMOUSIDENTITYTOKEN] &&
client->config.userIdentityToken.content.decoded.type != NULL) ||
(userToken->tokenType == UA_USERTOKENTYPE_USERNAME &&
client->config.userIdentityToken.content.decoded.type !=
&UA_TYPES[UA_TYPES_USERNAMEIDENTITYTOKEN]) ||
(userToken->tokenType == UA_USERTOKENTYPE_CERTIFICATE &&
client->config.userIdentityToken.content.decoded.type !=
&UA_TYPES[UA_TYPES_X509IDENTITYTOKEN]) ||
(userToken->tokenType == UA_USERTOKENTYPE_ISSUEDTOKEN &&
client->config.userIdentityToken.content.decoded.type !=
&UA_TYPES[UA_TYPES_ISSUEDIDENTITYTOKEN]))
continue;
/* Endpoint with matching usertokenpolicy found */
tokenFound = true;
UA_EndpointDescription_deleteMembers(&client->config.endpoint);
UA_EndpointDescription_copy(endpoint, &client->config.endpoint);
UA_UserTokenPolicy_deleteMembers(&client->config.userTokenPolicy);
UA_UserTokenPolicy_copy(userToken, &client->config.userTokenPolicy);
break;
}
}
UA_Array_delete(endpointArray, endpointArraySize,
&UA_TYPES[UA_TYPES_ENDPOINTDESCRIPTION]);
if(!endpointFound) {
UA_LOG_ERROR(&client->config.logger, UA_LOGCATEGORY_CLIENT,
"No suitable endpoint found");
client->connectStatus = UA_STATUSCODE_BADINTERNALERROR;
} else if(!tokenFound) {
UA_LOG_ERROR(&client->config.logger, UA_LOGCATEGORY_CLIENT,
"No suitable UserTokenPolicy found for the possible endpoints");
client->connectStatus = UA_STATUSCODE_BADINTERNALERROR;
}
requestSession(client, &requestId);
}
void
Service_ActivateSession(UA_Server *server, UA_SecureChannel *channel, UA_Session *session,
const UA_ActivateSessionRequest *request, UA_ActivateSessionResponse *response) {
if(session->validTill < UA_DateTime_now()) {
UA_LOG_INFO_SESSION(server->config.logger, session, "ActivateSession: SecureChannel %i wants "
"to activate, but the session has timed out", channel->securityToken.channelId);
response->responseHeader.serviceResult = UA_STATUSCODE_BADSESSIONIDINVALID;
return;
}
if(request->userIdentityToken.encoding < UA_EXTENSIONOBJECT_DECODED ||
(request->userIdentityToken.content.decoded.type != &UA_TYPES[UA_TYPES_ANONYMOUSIDENTITYTOKEN] &&
request->userIdentityToken.content.decoded.type != &UA_TYPES[UA_TYPES_USERNAMEIDENTITYTOKEN])) {
UA_LOG_INFO_SESSION(server->config.logger, session, "ActivateSession: SecureChannel %i wants "
"to activate, but the UserIdentify token is invalid",
channel->securityToken.channelId);
response->responseHeader.serviceResult = UA_STATUSCODE_BADIDENTITYTOKENINVALID;
return;
}
UA_String ap = UA_STRING(ANONYMOUS_POLICY);
UA_String up = UA_STRING(USERNAME_POLICY);
/* Compatibility notice: Siemens OPC Scout v10 provides an empty policyId,
this is not okay For compatibility we will assume that empty policyId == ANONYMOUS_POLICY
if(token.policyId->data == NULL)
response->responseHeader.serviceResult = UA_STATUSCODE_BADIDENTITYTOKENINVALID;
*/
if(server->config.enableAnonymousLogin &&
request->userIdentityToken.content.decoded.type == &UA_TYPES[UA_TYPES_ANONYMOUSIDENTITYTOKEN]) {
/* anonymous login */
const UA_AnonymousIdentityToken *token = request->userIdentityToken.content.decoded.data;
if(token->policyId.data && !UA_String_equal(&token->policyId, &ap)) {
response->responseHeader.serviceResult = UA_STATUSCODE_BADIDENTITYTOKENINVALID;
return;
}
} else if(server->config.enableUsernamePasswordLogin &&
request->userIdentityToken.content.decoded.type == &UA_TYPES[UA_TYPES_USERNAMEIDENTITYTOKEN]) {
/* username login */
const UA_UserNameIdentityToken *token = request->userIdentityToken.content.decoded.data;
if(!UA_String_equal(&token->policyId, &up)) {
response->responseHeader.serviceResult = UA_STATUSCODE_BADIDENTITYTOKENINVALID;
return;
}
if(token->encryptionAlgorithm.length > 0) {
/* we don't support encryption */
response->responseHeader.serviceResult = UA_STATUSCODE_BADIDENTITYTOKENINVALID;
return;
}
if(token->userName.length == 0 && token->password.length == 0) {
/* empty username and password */
response->responseHeader.serviceResult = UA_STATUSCODE_BADIDENTITYTOKENINVALID;
return;
}
/* trying to match pw/username */
UA_Boolean match = false;
for(size_t i = 0; i < server->config.usernamePasswordLoginsSize; i++) {
UA_String *user = &server->config.usernamePasswordLogins[i].username;
UA_String *pw = &server->config.usernamePasswordLogins[i].password;
if(UA_String_equal(&token->userName, user) && UA_String_equal(&token->password, pw)) {
match = true;
break;
}
}
if(!match) {
UA_LOG_INFO_SESSION(server->config.logger, session, "ActivateSession: Did not find matching username/password");
response->responseHeader.serviceResult = UA_STATUSCODE_BADUSERACCESSDENIED;
return;
}
} else {
/* Unsupported token type */
response->responseHeader.serviceResult = UA_STATUSCODE_BADIDENTITYTOKENINVALID;
return;
}
/* Detach the old SecureChannel */
if(session->channel && session->channel != channel) {
UA_LOG_INFO_SESSION(server->config.logger, session, "ActivateSession: Detach from old channel");
UA_SecureChannel_detachSession(session->channel, session);
}
/* Attach to the SecureChannel and activate */
UA_SecureChannel_attachSession(channel, session);
session->activated = true;
UA_Session_updateLifetime(session);
UA_LOG_INFO_SESSION(server->config.logger, session, "ActivateSession: Session activated");
}
/** Reads a single attribute from a node in the nodestore. */
void Service_Read_single(UA_Server *server, UA_Session *session, const UA_TimestampsToReturn timestamps,
const UA_ReadValueId *id, UA_DataValue *v) {
if(id->dataEncoding.name.length > 0 && !UA_String_equal(&binEncoding, &id->dataEncoding.name)) {
v->hasStatus = UA_TRUE;
v->status = UA_STATUSCODE_BADDATAENCODINGINVALID;
return;
}
//index range for a non-value
if(id->indexRange.length > 0 && id->attributeId != UA_ATTRIBUTEID_VALUE){
v->hasStatus = UA_TRUE;
v->status = UA_STATUSCODE_BADINDEXRANGENODATA;
return;
}
UA_Node const *node = UA_NodeStore_get(server->nodestore, &id->nodeId);
if(!node) {
v->hasStatus = UA_TRUE;
v->status = UA_STATUSCODE_BADNODEIDUNKNOWN;
return;
}
/* When setting the value fails in the switch, we get an error code and set hasValue to false */
UA_StatusCode retval = UA_STATUSCODE_GOOD;
v->hasValue = UA_TRUE;
switch(id->attributeId) {
case UA_ATTRIBUTEID_NODEID:
forceVariantSetScalar(&v->value, &node->nodeId, &UA_TYPES[UA_TYPES_NODEID]);
break;
case UA_ATTRIBUTEID_NODECLASS:
forceVariantSetScalar(&v->value, &node->nodeClass, &UA_TYPES[UA_TYPES_INT32]);
break;
case UA_ATTRIBUTEID_BROWSENAME:
forceVariantSetScalar(&v->value, &node->browseName, &UA_TYPES[UA_TYPES_QUALIFIEDNAME]);
break;
case UA_ATTRIBUTEID_DISPLAYNAME:
forceVariantSetScalar(&v->value, &node->displayName, &UA_TYPES[UA_TYPES_LOCALIZEDTEXT]);
break;
case UA_ATTRIBUTEID_DESCRIPTION:
forceVariantSetScalar(&v->value, &node->description, &UA_TYPES[UA_TYPES_LOCALIZEDTEXT]);
break;
case UA_ATTRIBUTEID_WRITEMASK:
forceVariantSetScalar(&v->value, &node->writeMask, &UA_TYPES[UA_TYPES_UINT32]);
break;
case UA_ATTRIBUTEID_USERWRITEMASK:
forceVariantSetScalar(&v->value, &node->userWriteMask, &UA_TYPES[UA_TYPES_UINT32]);
break;
case UA_ATTRIBUTEID_ISABSTRACT:
CHECK_NODECLASS(UA_NODECLASS_REFERENCETYPE | UA_NODECLASS_OBJECTTYPE |
UA_NODECLASS_VARIABLETYPE | UA_NODECLASS_DATATYPE);
forceVariantSetScalar(&v->value, &((const UA_ReferenceTypeNode*)node)->isAbstract,
&UA_TYPES[UA_TYPES_BOOLEAN]);
break;
case UA_ATTRIBUTEID_SYMMETRIC:
CHECK_NODECLASS(UA_NODECLASS_REFERENCETYPE);
forceVariantSetScalar(&v->value, &((const UA_ReferenceTypeNode*)node)->symmetric,
&UA_TYPES[UA_TYPES_BOOLEAN]);
break;
case UA_ATTRIBUTEID_INVERSENAME:
CHECK_NODECLASS(UA_NODECLASS_REFERENCETYPE);
forceVariantSetScalar(&v->value, &((const UA_ReferenceTypeNode*)node)->inverseName,
&UA_TYPES[UA_TYPES_LOCALIZEDTEXT]);
break;
case UA_ATTRIBUTEID_CONTAINSNOLOOPS:
CHECK_NODECLASS(UA_NODECLASS_VIEW);
forceVariantSetScalar(&v->value, &((const UA_ViewNode*)node)->containsNoLoops,
&UA_TYPES[UA_TYPES_BOOLEAN]);
break;
case UA_ATTRIBUTEID_EVENTNOTIFIER:
CHECK_NODECLASS(UA_NODECLASS_VIEW | UA_NODECLASS_OBJECT);
forceVariantSetScalar(&v->value, &((const UA_ViewNode*)node)->eventNotifier,
&UA_TYPES[UA_TYPES_BYTE]);
break;
case UA_ATTRIBUTEID_VALUE:
CHECK_NODECLASS(UA_NODECLASS_VARIABLE | UA_NODECLASS_VARIABLETYPE);
retval = getVariableNodeValue((const UA_VariableNode*)node, timestamps, id, v);
break;
case UA_ATTRIBUTEID_DATATYPE:
CHECK_NODECLASS(UA_NODECLASS_VARIABLE | UA_NODECLASS_VARIABLETYPE);
retval = getVariableNodeDataType((const UA_VariableNode*)node, v);
break;
case UA_ATTRIBUTEID_VALUERANK:
CHECK_NODECLASS(UA_NODECLASS_VARIABLE | UA_NODECLASS_VARIABLETYPE);
forceVariantSetScalar(&v->value, &((const UA_VariableTypeNode*)node)->valueRank,
&UA_TYPES[UA_TYPES_INT32]);
break;
case UA_ATTRIBUTEID_ARRAYDIMENSIONS:
CHECK_NODECLASS(UA_NODECLASS_VARIABLE | UA_NODECLASS_VARIABLETYPE);
retval = getVariableNodeArrayDimensions((const UA_VariableNode*)node, v);
break;
case UA_ATTRIBUTEID_ACCESSLEVEL:
CHECK_NODECLASS(UA_NODECLASS_VARIABLE);
forceVariantSetScalar(&v->value, &((const UA_VariableNode*)node)->accessLevel,
&UA_TYPES[UA_TYPES_BYTE]);
break;
case UA_ATTRIBUTEID_USERACCESSLEVEL:
CHECK_NODECLASS(UA_NODECLASS_VARIABLE);
forceVariantSetScalar(&v->value, &((const UA_VariableNode*)node)->userAccessLevel,
&UA_TYPES[UA_TYPES_BYTE]);
break;
case UA_ATTRIBUTEID_MINIMUMSAMPLINGINTERVAL:
CHECK_NODECLASS(UA_NODECLASS_VARIABLE);
forceVariantSetScalar(&v->value, &((const UA_VariableNode*)node)->minimumSamplingInterval,
&UA_TYPES[UA_TYPES_DOUBLE]);
break;
case UA_ATTRIBUTEID_HISTORIZING:
CHECK_NODECLASS(UA_NODECLASS_VARIABLE);
forceVariantSetScalar(&v->value, &((const UA_VariableNode*)node)->historizing,
&UA_TYPES[UA_TYPES_BOOLEAN]);
break;
case UA_ATTRIBUTEID_EXECUTABLE:
CHECK_NODECLASS(UA_NODECLASS_METHOD);
forceVariantSetScalar(&v->value, &((const UA_MethodNode*)node)->executable,
&UA_TYPES[UA_TYPES_BOOLEAN]);
break;
case UA_ATTRIBUTEID_USEREXECUTABLE:
CHECK_NODECLASS(UA_NODECLASS_METHOD);
forceVariantSetScalar(&v->value, &((const UA_MethodNode*)node)->userExecutable,
&UA_TYPES[UA_TYPES_BOOLEAN]);
break;
default:
retval = UA_STATUSCODE_BADATTRIBUTEIDINVALID;
break;
}
if(retval != UA_STATUSCODE_GOOD) {
v->hasValue = UA_FALSE;
v->hasStatus = UA_TRUE;
v->status = retval;
}
// Todo: what if the timestamp from the datasource are already present?
handleServerTimestamps(timestamps, v);
}
void Service_ActivateSession(UA_Server *server, UA_SecureChannel *channel,
const UA_ActivateSessionRequest *request,
UA_ActivateSessionResponse *response) {
// make the channel know about the session
UA_Session *foundSession =
UA_SessionManager_getSession(&server->sessionManager,
(const UA_NodeId*)&request->requestHeader.authenticationToken);
if(foundSession == UA_NULL) {
response->responseHeader.serviceResult = UA_STATUSCODE_BADSESSIONIDINVALID;
return;
} else if(foundSession->validTill < UA_DateTime_now()) {
response->responseHeader.serviceResult = UA_STATUSCODE_BADSESSIONIDINVALID;
return;
}
UA_UserIdentityToken token;
UA_UserIdentityToken_init(&token);
size_t offset = 0;
UA_UserIdentityToken_decodeBinary(&request->userIdentityToken.body, &offset, &token);
UA_UserNameIdentityToken username_token;
UA_UserNameIdentityToken_init(&username_token);
UA_String ap = UA_STRING(ANONYMOUS_POLICY);
UA_String up = UA_STRING(USERNAME_POLICY);
//(Compatibility notice)
//Siemens OPC Scout v10 provides an empty policyId, this is not okay
//For compatibility we will assume that empty policyId == ANONYMOUS_POLICY
//if(token.policyId.data == UA_NULL) {
// /* 1) no policy defined */
// response->responseHeader.serviceResult = UA_STATUSCODE_BADIDENTITYTOKENINVALID;
//} else
//(End Compatibility notice)
if(server->config.Login_enableAnonymous && (token.policyId.data == UA_NULL || UA_String_equal(&token.policyId, &ap))) {
/* 2) anonymous logins */
if(foundSession->channel && foundSession->channel != channel)
UA_SecureChannel_detachSession(foundSession->channel, foundSession);
UA_SecureChannel_attachSession(channel, foundSession);
foundSession->activated = UA_TRUE;
UA_Session_updateLifetime(foundSession);
} else if(server->config.Login_enableUsernamePassword && UA_String_equal(&token.policyId, &up)) {
/* 3) username logins */
offset = 0;
UA_UserNameIdentityToken_decodeBinary(&request->userIdentityToken.body, &offset, &username_token);
if(username_token.encryptionAlgorithm.data != UA_NULL) {
/* 3.1) we only support encryption */
response->responseHeader.serviceResult = UA_STATUSCODE_BADIDENTITYTOKENINVALID;
} else if(username_token.userName.length == -1 && username_token.password.length == -1){
/* 3.2) empty username and password */
response->responseHeader.serviceResult = UA_STATUSCODE_BADIDENTITYTOKENINVALID;
} else {
/* 3.3) ok, trying to match the username */
UA_UInt32 i = 0;
for(; i < server->config.Login_loginsCount; ++i) {
UA_String user = UA_STRING(server->config.Login_usernames[i]);
UA_String pw = UA_STRING(server->config.Login_passwords[i]);
if(UA_String_equal(&username_token.userName, &user) &&
UA_String_equal(&username_token.password, &pw)) {
/* success - activate */
if(foundSession->channel && foundSession->channel != channel)
UA_SecureChannel_detachSession(foundSession->channel, foundSession);
UA_SecureChannel_attachSession(channel, foundSession);
foundSession->activated = UA_TRUE;
UA_Session_updateLifetime(foundSession);
break;
}
}
/* no username/pass matched */
if(i >= server->config.Login_loginsCount)
response->responseHeader.serviceResult = UA_STATUSCODE_BADUSERACCESSDENIED;
}
} else {
response->responseHeader.serviceResult = UA_STATUSCODE_BADIDENTITYTOKENINVALID;
}
UA_UserIdentityToken_deleteMembers(&token);
UA_UserNameIdentityToken_deleteMembers(&username_token);
return;
}
