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- /* This work is licensed under a Creative Commons CCZero 1.0 Universal License.
- * See http://creativecommons.org/publicdomain/zero/1.0/ for more information. */
- #include "ua_securitypolicy_none.h"
- #include "ua_types_generated_handling.h"
- /*******************************/
- /* Asymmetric module functions */
- /*******************************/
- static UA_StatusCode
- asym_verify_sp_none(const UA_SecurityPolicy *const securityPolicy,
- const void *const channelContext,
- const UA_ByteString *const message,
- const UA_ByteString *const signature) {
- return UA_STATUSCODE_GOOD;
- }
- static UA_StatusCode
- asym_sign_sp_none(const UA_SecurityPolicy *const securityPolicy,
- const void *const channelContext,
- const UA_ByteString *const message,
- UA_ByteString *const signature) {
- return UA_STATUSCODE_GOOD;
- }
- static size_t
- asym_getLocalSignatureSize_sp_none(const UA_SecurityPolicy *const securityPolicy,
- const void *const channelContext) {
- return 0;
- }
- static size_t
- asym_getRemoteSignatureSize_sp_none(const UA_SecurityPolicy *const securityPolicy,
- const void *const channelContext) {
- return 0;
- }
- static UA_StatusCode
- asym_encrypt_sp_none(const UA_SecurityPolicy *const securityPolicy,
- const void *const channelContext,
- UA_ByteString *const data) {
- return UA_STATUSCODE_GOOD;
- }
- static UA_StatusCode
- asym_decrypt_sp_none(const UA_SecurityPolicy *const securityPolicy,
- const void *const channelContext,
- UA_ByteString *const data) {
- return UA_STATUSCODE_GOOD;
- }
- static UA_StatusCode
- asym_makeThumbprint_sp_none(const UA_SecurityPolicy *const securityPolicy,
- const UA_ByteString *const certificate,
- UA_ByteString *const thumbprint) {
- if(certificate == NULL || thumbprint == NULL)
- return UA_STATUSCODE_BADINTERNALERROR;
- return UA_STATUSCODE_GOOD;
- }
- /* Only a stub function for now */
- static UA_StatusCode
- asym_compareThumbprint_sp_none(const UA_SecurityPolicy *securityPolicy,
- const UA_ByteString *certificateThumbprint) {
- if(!securityPolicy || !certificateThumbprint)
- return UA_STATUSCODE_BADINTERNALERROR;
- // The certificatethumbprint doesn't exist if the security policy is none
- if(certificateThumbprint->length != 0)
- return UA_STATUSCODE_BADCERTIFICATEINVALID;
- return UA_STATUSCODE_GOOD;
- }
- /******************************/
- /* Symmetric module functions */
- /******************************/
- static UA_StatusCode
- sym_verify_sp_none(const UA_SecurityPolicy *const securityPolicy,
- const void *const channelContext,
- const UA_ByteString *const message,
- const UA_ByteString *const signature) {
- return UA_STATUSCODE_GOOD;
- }
- static UA_StatusCode
- sym_sign_sp_none(const UA_SecurityPolicy *const securityPolicy,
- const void *const channelContext,
- const UA_ByteString *const message,
- UA_ByteString *const signature) {
- return UA_STATUSCODE_GOOD;
- }
- static size_t
- sym_getLocalSignatureSize_sp_none(const UA_SecurityPolicy *const securityPolicy,
- const void *const channelContext) {
- return 0;
- }
- static size_t
- sym_getRemoteSignatureSize_sp_none(const UA_SecurityPolicy *const securityPolicy,
- const void *const channelContext) {
- return 0;
- }
- static UA_StatusCode
- sym_encrypt_sp_none(const UA_SecurityPolicy *const securityPolicy,
- const void *const channelContext,
- UA_ByteString *const data) {
- return UA_STATUSCODE_GOOD;
- }
- static UA_StatusCode
- sym_decrypt_sp_none(const UA_SecurityPolicy *const securityPolicy,
- const void *const channelContext,
- UA_ByteString *const data) {
- return UA_STATUSCODE_GOOD;
- }
- static UA_StatusCode
- sym_generateKey_sp_none(const UA_SecurityPolicy *const securityPolicy,
- const UA_ByteString *const secret,
- const UA_ByteString *const seed,
- UA_ByteString *const out) {
- return UA_STATUSCODE_GOOD;
- }
- static UA_StatusCode
- sym_generateNonce_sp_none(const UA_SecurityPolicy *const securityPolicy,
- UA_ByteString *const out) {
- out->length = securityPolicy->symmetricModule.encryptingKeyLength;
- out->data[0] = 'a';
- return UA_STATUSCODE_GOOD;
- }
- /***************************/
- /* ChannelModule functions */
- /***************************/
- // this is not really needed in security policy none because no context is required
- // it is there to serve as a small example for policies that need context per channel
- typedef struct {
- const UA_SecurityPolicy *securityPolicy;
- int callCounter;
- } UA_SP_NONE_ChannelContextData;
- static UA_StatusCode
- channelContext_newContext_sp_none(const UA_SecurityPolicy *securityPolicy,
- const UA_ByteString *remoteCertificate,
- void **channelContext) {
- if(channelContext == NULL)
- return UA_STATUSCODE_BADINTERNALERROR;
- *channelContext = UA_malloc(sizeof(UA_SP_NONE_ChannelContextData));
- if(*channelContext == NULL)
- return UA_STATUSCODE_BADOUTOFMEMORY;
- // Initialize the channelcontext data here to sensible values
- UA_SP_NONE_ChannelContextData* const data = (UA_SP_NONE_ChannelContextData*)*channelContext;
- data->callCounter = 0;
- data->securityPolicy = securityPolicy;
- return UA_STATUSCODE_GOOD;
- }
- static void
- channelContext_deleteContext_sp_none(void *const channelContext) {
- if(channelContext != NULL)
- UA_free(channelContext);
- }
- static UA_StatusCode
- channelContext_setLocalSymEncryptingKey_sp_none(void *const channelContext,
- const UA_ByteString *const key) {
- UA_SP_NONE_ChannelContextData* const data = (UA_SP_NONE_ChannelContextData*)channelContext;
- data->callCounter++;
- return UA_STATUSCODE_GOOD;
- }
- static UA_StatusCode
- channelContext_setLocalSymSigningKey_sp_none(void *const channelContext,
- const UA_ByteString *const key) {
- UA_SP_NONE_ChannelContextData* const data = (UA_SP_NONE_ChannelContextData*)channelContext;
- data->callCounter++;
- return UA_STATUSCODE_GOOD;
- }
- static UA_StatusCode
- channelContext_setLocalSymIv_sp_none(void *const channelContext,
- const UA_ByteString *const iv) {
- UA_SP_NONE_ChannelContextData* const data = (UA_SP_NONE_ChannelContextData*)channelContext;
- data->callCounter++;
- return UA_STATUSCODE_GOOD;
- }
- static UA_StatusCode
- channelContext_setRemoteSymEncryptingKey_sp_none(void *const channelContext,
- const UA_ByteString *const key) {
- UA_SP_NONE_ChannelContextData* const data = (UA_SP_NONE_ChannelContextData*)channelContext;
- data->callCounter++;
- return UA_STATUSCODE_GOOD;
- }
- static UA_StatusCode
- channelContext_setRemoteSymSigningKey_sp_none(void *const channelContext,
- const UA_ByteString *const key) {
- UA_SP_NONE_ChannelContextData* const data = (UA_SP_NONE_ChannelContextData*)channelContext;
- data->callCounter++;
- return UA_STATUSCODE_GOOD;
- }
- static UA_StatusCode
- channelContext_setRemoteSymIv_sp_none(void *const channelContext,
- const UA_ByteString *const iv) {
- UA_SP_NONE_ChannelContextData* const data = (UA_SP_NONE_ChannelContextData*)channelContext;
- data->callCounter++;
- return UA_STATUSCODE_GOOD;
- }
- static UA_StatusCode
- channelContext_compareCertificate_sp_none(const void *const channelContext,
- const UA_ByteString *const certificate) {
- if(channelContext == NULL || certificate == NULL)
- return UA_STATUSCODE_BADINTERNALERROR;
- return UA_STATUSCODE_GOOD;
- }
- static size_t
- channelContext_getRemoteAsymPlainTextBlockSize_sp_none(const void *const channelContext) {
- return 0;
- }
- static size_t
- channelContext_getRemoteAsymEncryptionBufferLengthOverhead_sp_none(const void *const channelContext,
- const size_t maxEncryptionLength) {
- return 0;
- }
- /*****************************/
- /* Security Policy functions */
- /*****************************/
- static void
- policy_deletemembers_sp_none(UA_SecurityPolicy *policy) {
- UA_ByteString_deleteMembers(&policy->localCertificate);
- }
- UA_StatusCode
- UA_SecurityPolicy_None(UA_SecurityPolicy *policy,
- const UA_ByteString localCertificate,
- UA_Logger logger) {
- policy->policyContext = (void*)(uintptr_t)logger;
- policy->policyUri = UA_STRING("http://opcfoundation.org/UA/SecurityPolicy#None");
- UA_ByteString_copy(&localCertificate, &policy->localCertificate);
- policy->asymmetricModule.makeCertificateThumbprint = asym_makeThumbprint_sp_none;
- policy->asymmetricModule.compareCertificateThumbprint = asym_compareThumbprint_sp_none;
- policy->asymmetricModule.minAsymmetricKeyLength = 0;
- policy->asymmetricModule.maxAsymmetricKeyLength = 0;
- policy->asymmetricModule.thumbprintLength = 20;
- policy->asymmetricModule.encryptingModule.encrypt = asym_encrypt_sp_none;
- policy->asymmetricModule.encryptingModule.decrypt = asym_decrypt_sp_none;
- policy->asymmetricModule.signingModule.verify = asym_verify_sp_none;
- policy->asymmetricModule.signingModule.sign = asym_sign_sp_none;
- policy->asymmetricModule.signingModule.getLocalSignatureSize = asym_getLocalSignatureSize_sp_none;
- policy->asymmetricModule.signingModule.getRemoteSignatureSize = asym_getRemoteSignatureSize_sp_none;
- policy->asymmetricModule.signingModule.signatureAlgorithmUri = UA_STRING_NULL;
- policy->symmetricModule.generateKey = sym_generateKey_sp_none;
- policy->symmetricModule.generateNonce = sym_generateNonce_sp_none;
- policy->symmetricModule.encryptingModule.encrypt = sym_encrypt_sp_none;
- policy->symmetricModule.encryptingModule.decrypt = sym_decrypt_sp_none;
- policy->symmetricModule.signingModule.verify = sym_verify_sp_none;
- policy->symmetricModule.signingModule.sign = sym_sign_sp_none;
- policy->symmetricModule.signingModule.getLocalSignatureSize = sym_getLocalSignatureSize_sp_none;
- policy->symmetricModule.signingModule.getRemoteSignatureSize = sym_getRemoteSignatureSize_sp_none;
- policy->symmetricModule.signingModule.signatureAlgorithmUri = UA_STRING_NULL;
- policy->symmetricModule.signingKeyLength = 0;
- policy->symmetricModule.encryptingKeyLength = 1;
- policy->symmetricModule.encryptingBlockSize = 0;
- policy->channelModule.newContext = channelContext_newContext_sp_none;
- policy->channelModule.deleteContext = channelContext_deleteContext_sp_none;
- policy->channelModule.setLocalSymEncryptingKey = channelContext_setLocalSymEncryptingKey_sp_none;
- policy->channelModule.setLocalSymSigningKey = channelContext_setLocalSymSigningKey_sp_none;
- policy->channelModule.setLocalSymIv = channelContext_setLocalSymIv_sp_none;
- policy->channelModule.setRemoteSymEncryptingKey = channelContext_setRemoteSymEncryptingKey_sp_none;
- policy->channelModule.setRemoteSymSigningKey = channelContext_setRemoteSymSigningKey_sp_none;
- policy->channelModule.setRemoteSymIv = channelContext_setRemoteSymIv_sp_none;
- policy->channelModule.compareCertificate = channelContext_compareCertificate_sp_none;
- policy->channelModule.getRemoteAsymPlainTextBlockSize =
- channelContext_getRemoteAsymPlainTextBlockSize_sp_none;
- policy->channelModule.getRemoteAsymEncryptionBufferLengthOverhead =
- channelContext_getRemoteAsymEncryptionBufferLengthOverhead_sp_none;
- policy->deleteMembers = policy_deletemembers_sp_none;
- return UA_STATUSCODE_GOOD;
- }
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