axis2_status_t __euca_authenticate(const axutil_env_t *env,axis2_msg_ctx_t *out_msg_ctx, axis2_op_ctx_t *op_ctx) { //***** First get the message context before doing anything dumb w/ a NULL pointer *****/ axis2_msg_ctx_t *msg_ctx = NULL; //<--- incoming msg context, it is NULL, see? msg_ctx = axis2_op_ctx_get_msg_ctx(op_ctx, env, AXIS2_WSDL_MESSAGE_LABEL_IN); //***** Print everything from the security results, just for testing now *****// rampart_context_t *rampart_context = NULL; axutil_property_t *property = NULL; property = axis2_msg_ctx_get_property(msg_ctx, env, RAMPART_CONTEXT); if(property) { rampart_context = (rampart_context_t *)axutil_property_get_value(property, env); // AXIS2_LOG_CRITICAL(env->log,AXIS2_LOG_SI," ======== PRINTING PROCESSED WSSEC TOKENS ======== "); rampart_print_security_processed_results_set(env,msg_ctx); } //***** Extract Security Node from header from enveloper from msg_ctx *****// axiom_soap_envelope_t *soap_envelope = NULL; axiom_soap_header_t *soap_header = NULL; axiom_node_t *sec_node = NULL; soap_envelope = axis2_msg_ctx_get_soap_envelope(msg_ctx, env); if(!soap_envelope) NO_U_FAIL("SOAP envelope cannot be found."); soap_header = axiom_soap_envelope_get_header(soap_envelope, env); if (!soap_header) NO_U_FAIL("SOAP header cannot be found."); sec_node = rampart_get_security_header(env, msg_ctx, soap_header); // <---- here it is! if(!sec_node)NO_U_FAIL("No node wsse:Security -- required: ws-security"); //***** Find the wsse:Reference to the BinarySecurityToken *****// //** Path is: Security/ //** *sec_node must be non-NULL, kkthx **// axiom_node_t *sig_node = NULL; axiom_node_t *key_info_node = NULL; axiom_node_t *sec_token_ref_node = NULL; /** the ds:Signature node **/ sig_node = oxs_axiom_get_first_child_node_by_name(env,sec_node, OXS_NODE_SIGNATURE, OXS_DSIG_NS, OXS_DS ); if(!sig_node)NO_U_FAIL("No node ds:Signature -- required: signature"); /** the ds:KeyInfo **/ key_info_node = oxs_axiom_get_first_child_node_by_name(env, sig_node, OXS_NODE_KEY_INFO, OXS_DSIG_NS, NULL ); if(!key_info_node)NO_U_FAIL("No node ds:KeyInfo -- required: signature key"); /** the wsse:SecurityTokenReference **/ sec_token_ref_node = oxs_axiom_get_first_child_node_by_name(env, key_info_node,OXS_NODE_SECURITY_TOKEN_REFRENCE, OXS_WSSE_XMLNS, NULL); if(!sec_token_ref_node)NO_U_FAIL("No node wsse:SecurityTokenReference -- required: signing token"); //** in theory this is the branching point for supporting all kinds of tokens -- we only do BST Direct Reference **/ //***** Find the wsse:Reference to the BinarySecurityToken *****// //** *sec_token_ref_node must be non-NULL **/ axis2_char_t *ref = NULL; axis2_char_t *ref_id = NULL; axiom_node_t *token_ref_node = NULL; axiom_node_t *bst_node = NULL; /** the wsse:Reference node **/ token_ref_node = oxs_axiom_get_first_child_node_by_name(env, sec_token_ref_node,OXS_NODE_REFERENCE, OXS_WSSE_XMLNS, NULL); /** pull out the name of the BST node **/ ref = oxs_token_get_reference(env, token_ref_node); ref_id = axutil_string_substring_starting_at(axutil_strdup(env, ref), 1); /** get the wsse:BinarySecurityToken used to sign the message **/ bst_node = oxs_axiom_get_node_by_id(env, sec_node, "Id", ref_id, OXS_WSU_XMLNS); if(!bst_node){oxs_error(env, OXS_ERROR_LOCATION, OXS_ERROR_ELEMENT_FAILED, "Error retrieving elementwith ID=%s", ref_id);NO_U_FAIL("Cant find the required node");} //***** Find the wsse:Reference to the BinarySecurityToken *****// //** *bst_node must be non-NULL **/ axis2_char_t *data = NULL; oxs_x509_cert_t *_cert = NULL; oxs_x509_cert_t *recv_cert = NULL; axis2_char_t *file_name = NULL; axis2_char_t *recv_x509_buf = NULL; axis2_char_t *msg_x509_buf = NULL; /** pull out the data from the BST **/ data = oxs_axiom_get_node_content(env, bst_node); /** create an oxs_X509_cert **/ _cert = oxs_key_mgr_load_x509_cert_from_string(env, data); if(_cert) { //***** FINALLY -- we have the certificate used to sign the message. authenticate it HERE *****// msg_x509_buf = oxs_x509_cert_get_data(_cert,env); if(!msg_x509_buf)NO_U_FAIL("OMG WHAT NOW?!"); /* recv_x509_buf = (axis2_char_t *)rampart_context_get_receiver_certificate(rampart_context, env); if(recv_x509_buf) recv_cert = oxs_key_mgr_load_x509_cert_from_string(env, recv_x509_buf); else { file_name = rampart_context_get_receiver_certificate_file(rampart_context, env); if(!file_name) NO_U_FAIL("Policy for the service is incorrect -- ReceiverCertificate is not set!!"); if (check_file(file_name)) NO_U_FAIL("No cert file ($EUCALYPTUS/var/lib/eucalyptus/keys/cloud-cert.pem) found, failing"); recv_cert = oxs_key_mgr_load_x509_cert_from_pem_file(env, file_name); } */ file_name = rampart_context_get_receiver_certificate_file(rampart_context, env); if(!file_name) NO_U_FAIL("Policy for the service is incorrect -- ReceiverCertificate is not set!!"); if (check_file(file_name)) NO_U_FAIL("No cert file ($EUCALYPTUS/var/lib/eucalyptus/keys/cloud-cert.pem) found, failing"); recv_cert = oxs_key_mgr_load_x509_cert_from_pem_file(env, file_name); if (recv_cert) { recv_x509_buf = oxs_x509_cert_get_data(recv_cert,env); } else { NO_U_FAIL("could not populate receiver cert"); } if( axutil_strcmp(recv_x509_buf,msg_x509_buf)!=0){ AXIS2_LOG_CRITICAL(env->log,AXIS2_LOG_SI," --------- Received x509 certificate value ---------" ); AXIS2_LOG_CRITICAL(env->log,AXIS2_LOG_SI, msg_x509_buf ); AXIS2_LOG_CRITICAL(env->log,AXIS2_LOG_SI," --------- Local x509 certificate value! ---------" ); AXIS2_LOG_CRITICAL(env->log,AXIS2_LOG_SI, recv_x509_buf ); AXIS2_LOG_CRITICAL(env->log,AXIS2_LOG_SI," ---------------------------------------------------" ); NO_U_FAIL("The certificate specified is invalid!"); } } else { oxs_error(env, OXS_ERROR_LOCATION, OXS_ERROR_DEFAULT, "Cannot load certificate from string =%s", data); NO_U_FAIL("Failed to build certificate from BinarySecurityToken"); } oxs_x509_cert_free(_cert, env); oxs_x509_cert_free(recv_cert, env); return AXIS2_SUCCESS; }
/** * Verifes that Body, Timestamp, To, Action, and MessageId elements are signed and located * where expected by the application logic. Timestamp is checked for expiration regardless * of its actual location. */ axis2_status_t verify_references(axiom_node_t *sig_node, const axutil_env_t *env, axis2_msg_ctx_t *msg_ctx, axiom_soap_envelope_t *envelope) { axiom_node_t *si_node = NULL; axiom_node_t *ref_node = NULL; axis2_status_t status = AXIS2_SUCCESS; si_node = oxs_axiom_get_first_child_node_by_name(env,sig_node, OXS_NODE_SIGNEDINFO, OXS_DSIG_NS, OXS_DS); if(!si_node) { axis2_char_t *tmp = axiom_node_to_string(sig_node, env); AXIS2_LOG_DEBUG(env->log, AXIS2_LOG_SI, "[euca-rampart]sig = %s", tmp); NO_U_FAIL("Couldn't find SignedInfo!"); } axutil_qname_t *qname = NULL; axiom_element_t *parent_elem = NULL; axiom_children_qname_iterator_t *qname_iter = NULL; parent_elem = axiom_node_get_data_element(si_node, env); if(!parent_elem) { NO_U_FAIL("Could not get Reference elem"); } axis2_char_t *ref = NULL; axis2_char_t *ref_id = NULL; axiom_node_t *signed_node = NULL; axiom_node_t *envelope_node = NULL; short signed_elems[5] = {0,0,0,0,0}; envelope_node = axiom_soap_envelope_get_base_node(envelope, env); qname = axutil_qname_create(env, OXS_NODE_REFERENCE, OXS_DSIG_NS, NULL); qname_iter = axiom_element_get_children_with_qname(parent_elem, env, qname, si_node); while (axiom_children_qname_iterator_has_next(qname_iter , env)) { ref_node = axiom_children_qname_iterator_next(qname_iter, env); axis2_char_t *txt = axiom_node_to_string(ref_node, env); /* get reference to a signed element */ ref = oxs_token_get_reference(env, ref_node); if(ref == NULL || strlen(ref) == 0 || ref[0] != '#') { oxs_error(env, OXS_ERROR_LOCATION, OXS_ERROR_ELEMENT_FAILED, "Unsupported reference ID in %s", txt); status = AXIS2_FAILURE; break; } AXIS2_LOG_DEBUG(env->log, AXIS2_LOG_SI, "[euca-rampart] %s, ref = %s", txt, ref); /* get rid of '#' */ ref_id = axutil_string_substring_starting_at(axutil_strdup(env, ref), 1); signed_node = oxs_axiom_get_node_by_id(env, envelope_node, OXS_ATTR_ID, ref_id, OXS_WSU_XMLNS); if(!signed_node) { oxs_error(env, OXS_ERROR_LOCATION, OXS_ERROR_ELEMENT_FAILED, "Error retrieving elementwith ID=%s", ref_id); status = AXIS2_FAILURE; break; } if(verify_node(signed_node, env, msg_ctx, ref, signed_elems)) { status = AXIS2_FAILURE; break; } } axutil_qname_free(qname, env); qname = NULL; if(status == AXIS2_FAILURE) { NO_U_FAIL("Failed to verify location of signed elements!"); } /* This is needed to make sure that all security-critical elements are signed */ for(int i = 0; i < 5; i++) { if(signed_elems[i] == 0) { NO_U_FAIL("Not all required elements are signed"); } } return status; }