static xpc_object_t auth_item_copy_auth_item_xpc(auth_item_t item) { xpc_object_t xpc_data = xpc_dictionary_create(NULL, NULL, 0); xpc_dictionary_set_string(xpc_data, AUTH_XPC_ITEM_NAME, item->data.name); if (item->data.value) { xpc_dictionary_set_data(xpc_data, AUTH_XPC_ITEM_VALUE, item->data.value, item->data.valueLength); } xpc_dictionary_set_uint64(xpc_data, AUTH_XPC_ITEM_FLAGS, item->data.flags); xpc_dictionary_set_uint64(xpc_data, AUTH_XPC_ITEM_TYPE, item->type); return xpc_data; }
CAMLprim value caml_init_vmnet(value v_mode) { CAMLparam1(v_mode); CAMLlocal3(v_iface_ref,v_res,v_mac); xpc_object_t interface_desc = xpc_dictionary_create(NULL, NULL, 0); xpc_dictionary_set_uint64(interface_desc, vmnet_operation_mode_key, Int_val(v_mode)); uuid_t uuid; uuid_generate_random(uuid); xpc_dictionary_set_uuid(interface_desc, vmnet_interface_id_key, uuid); __block interface_ref iface = NULL; __block vmnet_return_t iface_status = 0; __block unsigned char *mac = malloc(6); if (!mac) caml_raise_out_of_memory (); __block unsigned int mtu = 0; __block unsigned int max_packet_size = 0; dispatch_queue_t if_create_q = dispatch_queue_create("org.openmirage.vmnet.create", DISPATCH_QUEUE_SERIAL); dispatch_semaphore_t iface_created = dispatch_semaphore_create(0); iface = vmnet_start_interface(interface_desc, if_create_q, ^(vmnet_return_t status, xpc_object_t interface_param) { iface_status = status; if (status != VMNET_SUCCESS || !interface_param) { dispatch_semaphore_signal(iface_created); return; } //printf("mac desc: %s\n", xpc_copy_description(xpc_dictionary_get_value(interface_param, vmnet_mac_address_key))); const char *macStr = xpc_dictionary_get_string(interface_param, vmnet_mac_address_key); unsigned char lmac[6]; if (sscanf(macStr, "%hhx:%hhx:%hhx:%hhx:%hhx:%hhx", &lmac[0], &lmac[1], &lmac[2], &lmac[3], &lmac[4], &lmac[5]) != 6) errx(1, "Unexpected MAC address received from vmnet"); memcpy(mac, lmac, 6); mtu = xpc_dictionary_get_uint64(interface_param, vmnet_mtu_key); max_packet_size = xpc_dictionary_get_uint64(interface_param, vmnet_max_packet_size_key); dispatch_semaphore_signal(iface_created); });
static int vmnet_get_mac_address_from_uuid(char *guest_uuid_str) { /* * from vmn_create() in https://github.com/mist64/xhyve/blob/master/src/pci_virtio_vmnet.c */ xpc_object_t interface_desc; uuid_t uuid; __block interface_ref iface; __block vmnet_return_t iface_status; dispatch_semaphore_t iface_created; dispatch_queue_t if_create_q; uint32_t uuid_status; interface_desc = xpc_dictionary_create(NULL, NULL, 0); xpc_dictionary_set_uint64(interface_desc, vmnet_operation_mode_key, VMNET_SHARED_MODE); uuid_from_string(guest_uuid_str, &uuid, &uuid_status); if (uuid_status != uuid_s_ok) { fprintf(stderr, "Invalid UUID\n"); return -1; } xpc_dictionary_set_uuid(interface_desc, vmnet_interface_id_key, uuid); iface = NULL; iface_status = 0; if_create_q = dispatch_queue_create("org.xhyve.vmnet.create", DISPATCH_QUEUE_SERIAL); iface_created = dispatch_semaphore_create(0); iface = vmnet_start_interface(interface_desc, if_create_q, ^(vmnet_return_t status, xpc_object_t interface_param) { iface_status = status; if (status != VMNET_SUCCESS || !interface_param) { dispatch_semaphore_signal(iface_created); return; } printf("%s\n", xpc_dictionary_get_string(interface_param, vmnet_mac_address_key)); dispatch_semaphore_signal(iface_created); });
CFDictionaryRef xpcEngineUpdate(CFTypeRef target, uint flags, CFDictionaryRef context) { Message msg("update"); // target can be NULL, a CFURLRef, a SecRequirementRef, or a CFNumberRef if (target) { if (CFGetTypeID(target) == CFNumberGetTypeID()) xpc_dictionary_set_uint64(msg, "rule", cfNumber<int64_t>(CFNumberRef(target))); else if (CFGetTypeID(target) == CFURLGetTypeID()) xpc_dictionary_set_string(msg, "url", cfString(CFURLRef(target)).c_str()); else if (CFGetTypeID(target) == SecRequirementGetTypeID()) { CFRef<CFDataRef> data; MacOSError::check(SecRequirementCopyData(SecRequirementRef(target), kSecCSDefaultFlags, &data.aref())); xpc_dictionary_set_data(msg, "requirement", CFDataGetBytePtr(data), CFDataGetLength(data)); } else MacOSError::throwMe(errSecCSInvalidObjectRef); } xpc_dictionary_set_int64(msg, "flags", flags); CFRef<CFMutableDictionaryRef> ctx = makeCFMutableDictionary(); if (context) CFDictionaryApplyFunction(context, copyCFDictionary, ctx); AuthorizationRef localAuthorization = NULL; if (CFDictionaryGetValue(ctx, kSecAssessmentUpdateKeyAuthorization) == NULL) { // no caller-provided authorization MacOSError::check(AuthorizationCreate(NULL, NULL, kAuthorizationFlagDefaults, &localAuthorization)); AuthorizationExternalForm extForm; MacOSError::check(AuthorizationMakeExternalForm(localAuthorization, &extForm)); CFDictionaryAddValue(ctx, kSecAssessmentUpdateKeyAuthorization, CFTempData(&extForm, sizeof(extForm))); } CFRef<CFDataRef> contextData = makeCFData(CFDictionaryRef(ctx)); xpc_dictionary_set_data(msg, "context", CFDataGetBytePtr(contextData), CFDataGetLength(contextData)); msg.send(); if (localAuthorization) AuthorizationFree(localAuthorization, kAuthorizationFlagDefaults); if (int64_t error = xpc_dictionary_get_int64(msg, "error")) MacOSError::throwMe(error); size_t resultLength; const void *resultData = xpc_dictionary_get_data(msg, "result", &resultLength); return makeCFDictionaryFrom(resultData, resultLength); }
/* * Create an interface for the guest using Apple's vmnet framework. * * The interface works in VMNET_SHARED_MODE which allows for packets * of the guest to reach other guests and the Internet. * * See also: https://developer.apple.com/library/mac/documentation/vmnet/Reference/vmnet_Reference/index.html */ static int vmn_create(struct pci_vtnet_softc *sc) { xpc_object_t interface_desc; uuid_t uuid; __block interface_ref iface; __block vmnet_return_t iface_status; dispatch_semaphore_t iface_created; dispatch_queue_t if_create_q; dispatch_queue_t if_q; struct vmnet_state *vms; uint32_t uuid_status; interface_desc = xpc_dictionary_create(NULL, NULL, 0); xpc_dictionary_set_uint64(interface_desc, vmnet_operation_mode_key, VMNET_SHARED_MODE); if (guest_uuid_str != NULL) { uuid_from_string(guest_uuid_str, &uuid, &uuid_status); if (uuid_status != uuid_s_ok) { return (-1); } } else { uuid_generate_random(uuid); } xpc_dictionary_set_uuid(interface_desc, vmnet_interface_id_key, uuid); iface = NULL; iface_status = 0; vms = malloc(sizeof(struct vmnet_state)); if (!vms) { return (-1); } if_create_q = dispatch_queue_create("org.xhyve.vmnet.create", DISPATCH_QUEUE_SERIAL); iface_created = dispatch_semaphore_create(0); iface = vmnet_start_interface(interface_desc, if_create_q, ^(vmnet_return_t status, xpc_object_t interface_param) { iface_status = status; if (status != VMNET_SUCCESS || !interface_param) { dispatch_semaphore_signal(iface_created); return; } if (sscanf(xpc_dictionary_get_string(interface_param, vmnet_mac_address_key), "%hhx:%hhx:%hhx:%hhx:%hhx:%hhx", &vms->mac[0], &vms->mac[1], &vms->mac[2], &vms->mac[3], &vms->mac[4], &vms->mac[5]) != 6) { assert(0); } vms->mtu = (unsigned) xpc_dictionary_get_uint64(interface_param, vmnet_mtu_key); vms->max_packet_size = (unsigned) xpc_dictionary_get_uint64(interface_param, vmnet_max_packet_size_key); dispatch_semaphore_signal(iface_created); });