/*
* Copyright (c) 2023 Apple Inc. All rights reserved.
*
* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
*
* This file contains Original Code and/or Modifications of Original Code
* as defined in and that are subject to the Apple Public Source License
* Version 2.0 (the 'License'). You may not use this file except in
* compliance with the License. The rights granted to you under the License
* may not be used to create, or enable the creation or redistribution of,
* unlawful or unlicensed copies of an Apple operating system, or to
* circumvent, violate, or enable the circumvention or violation of, any
* terms of an Apple operating system software license agreement.
*
* Please obtain a copy of the License at
* http://www.opensource.apple.com/apsl/ and read it before using this file.
*
* The Original Code and all software distributed under the License are
* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
* Please see the License for the specific language governing rights and
* limitations under the License.
*
* @APPLE_OSREFERENCE_LICENSE_HEADER_END@
*/
#ifndef _DOUBLEAGENT_TYPES_H_
#define _DOUBLEAGENT_TYPES_H_
#define DA_XATTR_MAXNAMELEN 127 // Must match the 'XATTR_MAXNAMELEN' in <sys/xattr.h>.
#define DA_XATTR_FINDERINFO_NAME "com.apple.FinderInfo" // Copy of XATTR_FINDERINFO_NAME in <sys/xattr.h>.
#define DA_XATTR_RESOURCEFORK_NAME "com.apple.ResourceFork" // Copy of DA_XATTR_RESOURCEFORK_NAME in <sys/xattr.h>.
#define MAX_NUM_OF_XATTRS 256
#define LISTXATTR_RESULT_MAX_NAMES_LEN (sizeof(DA_XATTR_RESOURCEFORK_NAME) + sizeof(DA_XATTR_FINDERINFO_NAME) + (MAX_NUM_OF_XATTRS * ((DA_XATTR_MAXNAMELEN + 1))))
#define LISTXATTR_RESULT_MAX_HINTS_LEN (MAX_NUM_OF_XATTRS * 2 * sizeof(uint32_t)) // hint = offset + length (per xattr).
#define LISTXATTR_RESULT_MAX_SIZE (LISTXATTR_RESULT_MAX_NAMES_LEN + LISTXATTR_RESULT_MAX_HINTS_LEN)
typedef char xattrname[DA_XATTR_MAXNAMELEN + 1];
typedef struct list_xattrs_result {
/* header */
uint64_t finderInfoOffset; // =0 if not present
uint64_t resourceForkOffset; // =0 if not present
uint64_t resourceForkLength; // Don't care if resourceForkOffset = 0
uint64_t numOfXattrs;
/* data:
* (1) names (separated with '\0')
* (2) ranges: offset + lengths (for caching)
* (dataLength = namesLength + rangesLength)
*/
uint64_t dataLength;
uint64_t namesLength;
uint64_t rangesLength;
uint8_t data[LISTXATTR_RESULT_MAX_SIZE];
} listxattrs_result_t;
#endif /* _DOUBLEAGENT_TYPES_H_ */