1 /* 2 * Copyright (c) 2023 Apple Inc. All rights reserved. 3 * 4 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ 5 * 6 * This file contains Original Code and/or Modifications of Original Code 7 * as defined in and that are subject to the Apple Public Source License 8 * Version 2.0 (the 'License'). You may not use this file except in 9 * compliance with the License. The rights granted to you under the License 10 * may not be used to create, or enable the creation or redistribution of, 11 * unlawful or unlicensed copies of an Apple operating system, or to 12 * circumvent, violate, or enable the circumvention or violation of, any 13 * terms of an Apple operating system software license agreement. 14 * 15 * Please obtain a copy of the License at 16 * http://www.opensource.apple.com/apsl/ and read it before using this file. 17 * 18 * The Original Code and all software distributed under the License are 19 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 20 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 21 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 22 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 23 * Please see the License for the specific language governing rights and 24 * limitations under the License. 25 * 26 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ 27 */ 28 29 #ifndef _DOUBLEAGENT_TYPES_H_ 30 #define _DOUBLEAGENT_TYPES_H_ 31 32 #define DA_XATTR_MAXNAMELEN 127 // Must match the 'XATTR_MAXNAMELEN' in <sys/xattr.h>. 33 #define DA_XATTR_FINDERINFO_NAME "com.apple.FinderInfo" // Copy of XATTR_FINDERINFO_NAME in <sys/xattr.h>. 34 #define DA_XATTR_RESOURCEFORK_NAME "com.apple.ResourceFork" // Copy of DA_XATTR_RESOURCEFORK_NAME in <sys/xattr.h>. 35 36 #define MAX_NUM_OF_XATTRS 256 37 #define LISTXATTR_RESULT_MAX_NAMES_LEN (sizeof(DA_XATTR_RESOURCEFORK_NAME) + sizeof(DA_XATTR_FINDERINFO_NAME) + (MAX_NUM_OF_XATTRS * ((DA_XATTR_MAXNAMELEN + 1)))) 38 #define LISTXATTR_RESULT_MAX_HINTS_LEN (MAX_NUM_OF_XATTRS * 2 * sizeof(uint32_t)) // hint = offset + length (per xattr). 39 #define LISTXATTR_RESULT_MAX_SIZE (LISTXATTR_RESULT_MAX_NAMES_LEN + LISTXATTR_RESULT_MAX_HINTS_LEN) 40 41 typedef char xattrname[DA_XATTR_MAXNAMELEN + 1]; 42 43 typedef struct list_xattrs_result { 44 /* header */ 45 uint64_t finderInfoOffset; // =0 if not present 46 uint64_t resourceForkOffset; // =0 if not present 47 uint64_t resourceForkLength; // Don't care if resourceForkOffset = 0 48 uint64_t numOfXattrs; 49 50 /* data: 51 * (1) names (separated with '\0') 52 * (2) ranges: offset + lengths (for caching) 53 * (dataLength = namesLength + rangesLength) 54 */ 55 uint64_t dataLength; 56 uint64_t namesLength; 57 uint64_t rangesLength; 58 uint8_t data[LISTXATTR_RESULT_MAX_SIZE]; 59 } listxattrs_result_t; 60 61 #endif /* _DOUBLEAGENT_TYPES_H_ */ 62