X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/0c530ab8987f0ae6a1a3d9284f40182b88852816..5ba3f43ea354af8ad55bea84372a2bc834d8757c:/bsd/sys/fcntl.h diff --git a/bsd/sys/fcntl.h b/bsd/sys/fcntl.h index 2ceeb325b..02c868bba 100644 --- a/bsd/sys/fcntl.h +++ b/bsd/sys/fcntl.h @@ -1,23 +1,29 @@ /* - * Copyright (c) 2000-2005 Apple Computer, Inc. All rights reserved. + * Copyright (c) 2000-2013 Apple Inc. All rights reserved. * - * @APPLE_LICENSE_HEADER_START@ + * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ * - * The contents of this file constitute Original Code as defined in and - * are subject to the Apple Public Source License Version 1.1 (the - * "License"). You may not use this file except in compliance with the - * License. Please obtain a copy of the License at - * http://www.apple.com/publicsource and read it before using this file. + * 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. * - * This Original Code and all software distributed under the License are - * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER + * 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 OR NON-INFRINGEMENT. Please see the - * License for the specific language governing rights and limitations - * under the License. + * 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_LICENSE_HEADER_END@ + * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ */ /* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved */ /*- @@ -71,27 +77,15 @@ */ #include #include - -/* We should not be exporting size_t here. Temporary for gcc bootstrapping. */ -#ifndef _SIZE_T -#define _SIZE_T -typedef __darwin_size_t size_t; -#endif - -#ifndef _MODE_T -typedef __darwin_mode_t mode_t; -#define _MODE_T -#endif - -#ifndef _OFF_T -typedef __darwin_off_t off_t; -#define _OFF_T +#ifndef KERNEL +#include #endif -#ifndef _PID_T -typedef __darwin_pid_t pid_t; -#define _PID_T -#endif +/* We should not be exporting size_t here. Temporary for gcc bootstrapping. */ +#include +#include +#include +#include /* * File status flags: these are used by open(2), fcntl(2). @@ -114,20 +108,22 @@ typedef __darwin_pid_t pid_t; * FREAD and FWRITE are excluded from the #ifdef KERNEL so that TIOCFLUSH, * which was documented to use FREAD/FWRITE, continues to work. */ -#ifndef _POSIX_C_SOURCE +#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE) #define FREAD 0x0001 #define FWRITE 0x0002 #endif #define O_NONBLOCK 0x0004 /* no delay */ #define O_APPEND 0x0008 /* set append mode */ -#define O_SYNC 0x0080 /* synchronous writes */ -#ifndef _POSIX_C_SOURCE + +#include + +#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE) #define O_SHLOCK 0x0010 /* open with shared file lock */ #define O_EXLOCK 0x0020 /* open with exclusive file lock */ #define O_ASYNC 0x0040 /* signal pgrp when data ready */ #define O_FSYNC O_SYNC /* source compatibility: do not use */ #define O_NOFOLLOW 0x0100 /* don't follow symlinks */ -#endif /* _POSIX_C_SOURCE */ +#endif /* (_POSIX_C_SOURCE && !_DARWIN_C_SOURCE) */ #define O_CREAT 0x0200 /* create if nonexistant */ #define O_TRUNC 0x0400 /* truncate to zero length */ #define O_EXCL 0x0800 /* error if already exists */ @@ -136,7 +132,23 @@ typedef __darwin_pid_t pid_t; #define FDEFER 0x2000 /* defer for next gc pass */ #define FHASLOCK 0x4000 /* descriptor holds advisory lock */ #endif -#ifndef _POSIX_C_SOURCE + +#if __DARWIN_C_LEVEL >= 200809L +/* + * Descriptor value for the current working directory + */ +#define AT_FDCWD -2 + +/* + * Flags for the at functions + */ +#define AT_EACCESS 0x0010 /* Use effective ids in access check */ +#define AT_SYMLINK_NOFOLLOW 0x0020 /* Act on the symlink itself not the target */ +#define AT_SYMLINK_FOLLOW 0x0040 /* Act on target of symlink */ +#define AT_REMOVEDIR 0x0080 /* Path refers to directory */ +#endif + +#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE) #define O_EVTONLY 0x8000 /* descriptor requested for event notifications only */ #endif @@ -144,13 +156,50 @@ typedef __darwin_pid_t pid_t; #define FWASWRITTEN 0x10000 /* descriptor was written */ #endif -#ifndef _POSIX_C_SOURCE -#define O_DIRECTORY 0x100000 +#define O_NOCTTY 0x20000 /* don't assign controlling terminal */ + +#ifdef KERNEL +#define FNOCACHE 0x40000 /* fcntl(F_NOCACHE, 1) */ +#define FNORDAHEAD 0x80000 /* fcntl(F_RDAHEAD, 0) */ +#endif + +#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE) +#define O_DIRECTORY 0x100000 +#define O_SYMLINK 0x200000 /* allow open of a symlink */ +#endif + +#include + +#ifdef KERNEL +#define FNODIRECT 0x800000 /* fcntl(F_NODIRECT, 1) */ +#endif + +#if __DARWIN_C_LEVEL >= 200809L +#define O_CLOEXEC 0x1000000 /* implicitly set FD_CLOEXEC */ +#endif + +#ifdef KERNEL +#define FENCRYPTED 0x2000000 +#endif + +#ifdef KERNEL +#define FSINGLE_WRITER 0x4000000 /* fcntl(F_SINGLE_WRITER, 1) */ +#endif + +#ifdef KERNEL +#define O_CLOFORK 0x8000000 /* implicitly set FD_CLOFORK */ +#endif + +#ifdef KERNEL +#define FUNENCRYPTED 0x10000000 +#endif + +/* Data Protection Flags */ +#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE) +#define O_DP_GETRAWENCRYPTED 0x0001 +#define O_DP_GETRAWUNENCRYPTED 0x0002 #endif -/* defined by POSIX 1003.1; BSD default, so no bit required */ -#define O_NOCTTY 0 /* don't assign controlling terminal */ -//#define O_SYNC /* ??? POSIX: Write according to synchronized I/O file integrity completion */ #ifdef KERNEL /* convert from open() flags to/from fflags; convert O_RD/WR to FREAD/FWRITE */ @@ -158,9 +207,9 @@ typedef __darwin_pid_t pid_t; #define OFLAGS(fflags) ((fflags) - 1) /* bits to save after open */ -#define FMASK (FREAD|FWRITE|FAPPEND|FASYNC|FFSYNC|FNONBLOCK) +#define FMASK (FREAD|FWRITE|FAPPEND|FASYNC|FFSYNC|FFDSYNC|FNONBLOCK) /* bits settable by fcntl(F_SETFL, ...) */ -#define FCNTLFLAGS (FAPPEND|FASYNC|FFSYNC|FNONBLOCK) +#define FCNTLFLAGS (FAPPEND|FASYNC|FFSYNC|FFDSYNC|FNONBLOCK) #endif /* @@ -168,10 +217,11 @@ typedef __darwin_pid_t pid_t; * and by fcntl. We retain the F* names for the kernel f_flags field * and for backward compatibility for fcntl. */ -#ifndef _POSIX_C_SOURCE +#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE) #define FAPPEND O_APPEND /* kernel/compat */ #define FASYNC O_ASYNC /* kernel/compat */ #define FFSYNC O_FSYNC /* kernel */ +#define FFDSYNC O_DSYNC /* kernel */ #define FNONBLOCK O_NONBLOCK /* kernel */ #define FNDELAY O_NONBLOCK /* compat */ #define O_NDELAY O_NONBLOCK /* compat */ @@ -181,9 +231,9 @@ typedef __darwin_pid_t pid_t; * Flags used for copyfile(2) */ -#ifndef _POSIX_C_SOURCE -#define CPF_OVERWRITE 1 -#define CPF_IGNORE_MODE 2 +#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE) +#define CPF_OVERWRITE 0x0001 +#define CPF_IGNORE_MODE 0x0002 #define CPF_MASK (CPF_OVERWRITE|CPF_IGNORE_MODE) #endif @@ -202,29 +252,136 @@ typedef __darwin_pid_t pid_t; #define F_GETLK 7 /* get record locking information */ #define F_SETLK 8 /* set record locking information */ #define F_SETLKW 9 /* F_SETLK; wait if blocked */ -#ifndef _POSIX_C_SOURCE +#if __DARWIN_C_LEVEL >= __DARWIN_C_FULL +#define F_SETLKWTIMEOUT 10 /* F_SETLK; wait if blocked, return on timeout */ +#endif /* __DARWIN_C_LEVEL >= __DARWIN_C_FULL */ +#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE) +#define F_FLUSH_DATA 40 #define F_CHKCLEAN 41 /* Used for regression test */ #define F_PREALLOCATE 42 /* Preallocate storage */ #define F_SETSIZE 43 /* Truncate a file without zeroing space */ #define F_RDADVISE 44 /* Issue an advisory read async with no copy to user */ -#define F_RDAHEAD 45 /* turn read ahead off/on */ -#define F_READBOOTSTRAP 46 /* Read bootstrap from disk */ -#define F_WRITEBOOTSTRAP 47 /* Write bootstrap on disk */ -#define F_NOCACHE 48 /* turning data caching off/on */ +#define F_RDAHEAD 45 /* turn read ahead off/on for this fd */ +/* + * 46,47 used to be F_READBOOTSTRAP and F_WRITEBOOTSTRAP + */ +#define F_NOCACHE 48 /* turn data caching off/on for this fd */ #define F_LOG2PHYS 49 /* file offset to device offset */ #define F_GETPATH 50 /* return the full path of the fd */ #define F_FULLFSYNC 51 /* fsync + ask the drive to flush to the media */ #define F_PATHPKG_CHECK 52 /* find which component (if any) is a package */ #define F_FREEZE_FS 53 /* "freeze" all fs operations */ #define F_THAW_FS 54 /* "thaw" all fs operations */ -#define F_GLOBAL_NOCACHE 55 /* turn data caching off/on (globally) for this file */ +#define F_GLOBAL_NOCACHE 55 /* turn data caching off/on (globally) for this file */ + +#ifdef PRIVATE +#define F_OPENFROM 56 /* SPI: open a file relative to fd (must be a dir) */ +#define F_UNLINKFROM 57 /* SPI: open a file relative to fd (must be a dir) */ +#define F_CHECK_OPENEVT 58 /* SPI: if a process is marked OPENEVT, or in O_EVTONLY on opens of this vnode */ +#endif /* PRIVATE */ + +#define F_ADDSIGS 59 /* add detached signatures */ + +#ifdef PRIVATE +/* Deprecated/Removed in 10.9 */ +#define F_MARKDEPENDENCY 60 /* this process hosts the device supporting the fs backing this fd */ +#endif + +#define F_ADDFILESIGS 61 /* add signature from same file (used by dyld for shared libs) */ + +#define F_NODIRECT 62 /* used in conjunction with F_NOCACHE to indicate that DIRECT, synchonous writes */ + /* should not be used (i.e. its ok to temporaily create cached pages) */ + +#define F_GETPROTECTIONCLASS 63 /* Get the protection class of a file from the EA, returns int */ +#define F_SETPROTECTIONCLASS 64 /* Set the protection class of a file for the EA, requires int */ + +#define F_LOG2PHYS_EXT 65 /* file offset to device offset, extended */ + +#define F_GETLKPID 66 /* get record locking information, per-process */ + +/* See F_DUPFD_CLOEXEC below for 67 */ + +#ifdef PRIVATE +#define F_SETSTATICCONTENT 68 /* + * indicate to the filesystem/storage driver that the content to be + * written is usually static. a nonzero value enables it, 0 disables it. + */ +#define F_MOVEDATAEXTENTS 69 /* Swap only the data associated with two files */ +#endif + +#define F_SETBACKINGSTORE 70 /* Mark the file as being the backing store for another filesystem */ +#define F_GETPATH_MTMINFO 71 /* return the full path of the FD, but error in specific mtmd circumstances */ + +#define F_GETCODEDIR 72 /* Returns the code directory, with associated hashes, to the caller */ + +#define F_SETNOSIGPIPE 73 /* No SIGPIPE generated on EPIPE */ +#define F_GETNOSIGPIPE 74 /* Status of SIGPIPE for this fd */ + +#define F_TRANSCODEKEY 75 /* For some cases, we need to rewrap the key for AKS/MKB */ + +#define F_SINGLE_WRITER 76 /* file being written to a by single writer... if throttling enabled, writes */ + /* may be broken into smaller chunks with throttling in between */ + +#define F_GETPROTECTIONLEVEL 77 /* Get the protection version number for this filesystem */ + +#define F_FINDSIGS 78 /* Add detached code signatures (used by dyld for shared libs) */ + +#ifdef PRIVATE +#define F_GETDEFAULTPROTLEVEL 79 /* Get the default protection level for the filesystem */ +#define F_MAKECOMPRESSED 80 /* Make the file compressed; truncate & toggle BSD bits */ +#define F_SET_GREEDY_MODE 81 /* + * indicate to the filesystem/storage driver that the content to be + * written should be written in greedy mode for additional speed at + * the cost of storage efficiency. A nonzero value enables it, 0 disables it. + */ + +#define F_SETIOTYPE 82 /* + * Use parameters to describe content being written to the FD. See + * flag definitions below for argument bits. + */ +#endif + +#define F_ADDFILESIGS_FOR_DYLD_SIM 83 /* Add signature from same file, only if it is signed by Apple (used by dyld for simulator) */ + +#ifdef PRIVATE +#define F_RECYCLE 84 /* Recycle vnode; debug/development builds only */ +#endif + +#define F_BARRIERFSYNC 85 /* fsync + issue barrier to drive */ + +#ifdef PRIVATE +#define F_OFD_SETLK 90 /* Acquire or release open file description lock */ +#define F_OFD_SETLKW 91 /* (as F_OFD_SETLK but blocking if conflicting lock) */ +#define F_OFD_GETLK 92 /* Examine OFD lock */ + +#define F_OFD_SETLKWTIMEOUT 93 /* (as F_OFD_SETLKW but return if timeout) */ +#define F_OFD_GETLKPID 94 /* get record locking information */ + +#define F_SETCONFINED 95 /* "confine" OFD to process */ +#define F_GETCONFINED 96 /* is-fd-confined? */ +#endif + +#define F_ADDFILESIGS_RETURN 97 /* Add signature from same file, return end offset in structure on success */ +#define F_CHECK_LV 98 /* Check if Library Validation allows this Mach-O file to be mapped into the calling process */ + +#define F_PUNCHHOLE 99 /* Deallocate a range of the file */ + +#define F_TRIM_ACTIVE_FILE 100 /* Trim an active file */ // FS-specific fcntl()'s numbers begin at 0x00010000 and go up #define FCNTL_FS_SPECIFIC_BASE 0x00010000 -#endif /* _POSIX_C_SOURCE */ + +#endif /* (_POSIX_C_SOURCE && !_DARWIN_C_SOURCE) */ + +#if __DARWIN_C_LEVEL >= 200809L +#define F_DUPFD_CLOEXEC 67 /* mark the dup with FD_CLOEXEC */ +#endif /* file descriptor flags (F_GETFD, F_SETFD) */ #define FD_CLOEXEC 1 /* close-on-exec flag */ +#if PRIVATE +#define FD_CLOFORK 2 /* close-on-fork flag */ +#endif /* record locking flags (F_GETLK, F_SETLK, F_SETLKW) */ #define F_RDLCK 1 /* shared or read lock */ @@ -234,67 +391,33 @@ typedef __darwin_pid_t pid_t; #define F_WAIT 0x010 /* Wait until lock is granted */ #define F_FLOCK 0x020 /* Use flock(2) semantics for lock */ #define F_POSIX 0x040 /* Use POSIX semantics for lock */ +#define F_PROV 0x080 /* Non-coalesced provisional lock */ +#define F_WAKE1_SAFE 0x100 /* its safe to only wake one waiter */ +#define F_ABORT 0x200 /* lock attempt aborted (force umount) */ +#define F_OFD_LOCK 0x400 /* Use "OFD" semantics for lock */ +#endif + +#if PRIVATE +/* + * ISOCHRONOUS attempts to sustain a minimum platform-dependent throughput + * for the duration of the I/O delivered to the driver. + */ +#define F_IOTYPE_ISOCHRONOUS 0x0001 #endif /* * [XSI] The values used for l_whence shall be defined as described * in */ -#ifndef SEEK_SET -#define SEEK_SET 0 /* set file offset to offset */ -#define SEEK_CUR 1 /* set file offset to current plus offset */ -#define SEEK_END 2 /* set file offset to EOF plus offset */ -#endif /* !SEEK_SET */ +#include /* * [XSI] The symbolic names for file modes for use as values of mode_t * shall be defined as described in */ -#ifndef S_IFMT -/* File type */ -#define S_IFMT 0170000 /* [XSI] type of file mask */ -#define S_IFIFO 0010000 /* [XSI] named pipe (fifo) */ -#define S_IFCHR 0020000 /* [XSI] character special */ -#define S_IFDIR 0040000 /* [XSI] directory */ -#define S_IFBLK 0060000 /* [XSI] block special */ -#define S_IFREG 0100000 /* [XSI] regular */ -#define S_IFLNK 0120000 /* [XSI] symbolic link */ -#define S_IFSOCK 0140000 /* [XSI] socket */ -#ifndef _POSIX_C_SOURCE -#define S_IFWHT 0160000 /* whiteout */ -#define S_IFXATTR 0200000 /* extended attribute */ -#endif +#include -/* File mode */ -/* Read, write, execute/search by owner */ -#define S_IRWXU 0000700 /* [XSI] RWX mask for owner */ -#define S_IRUSR 0000400 /* [XSI] R for owner */ -#define S_IWUSR 0000200 /* [XSI] W for owner */ -#define S_IXUSR 0000100 /* [XSI] X for owner */ -/* Read, write, execute/search by group */ -#define S_IRWXG 0000070 /* [XSI] RWX mask for group */ -#define S_IRGRP 0000040 /* [XSI] R for group */ -#define S_IWGRP 0000020 /* [XSI] W for group */ -#define S_IXGRP 0000010 /* [XSI] X for group */ -/* Read, write, execute/search by others */ -#define S_IRWXO 0000007 /* [XSI] RWX mask for other */ -#define S_IROTH 0000004 /* [XSI] R for other */ -#define S_IWOTH 0000002 /* [XSI] W for other */ -#define S_IXOTH 0000001 /* [XSI] X for other */ - -#define S_ISUID 0004000 /* [XSI] set user id on execution */ -#define S_ISGID 0002000 /* [XSI] set group id on execution */ -#define S_ISVTX 0001000 /* [XSI] directory restrcted delete */ - -#ifndef _POSIX_C_SOURCE -#define S_ISTXT S_ISVTX /* sticky bit: not supported */ -#define S_IREAD S_IRUSR /* backward compatability */ -#define S_IWRITE S_IWUSR /* backward compatability */ -#define S_IEXEC S_IXUSR /* backward compatability */ -#endif -#endif /* !S_IFMT */ - -#ifndef _POSIX_C_SOURCE +#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE) /* allocate flags (F_PREALLOCATE) */ #define F_ALLOCATECONTIG 0x00000002 /* allocate contigious space */ @@ -305,7 +428,7 @@ typedef __darwin_pid_t pid_t; #define F_PEOFPOSMODE 3 /* Make it past all of the SEEK pos modes so that */ /* we can keep them in sync should we desire */ #define F_VOLPOSMODE 4 /* specify volume starting postion */ -#endif /* _POSIX_C_SOURCE */ +#endif /* (_POSIX_C_SOURCE && !_DARWIN_C_SOURCE) */ /* * Advisory file segment locking data type - @@ -319,17 +442,151 @@ struct flock { short l_whence; /* type of l_start */ }; +#include -#ifndef _POSIX_C_SOURCE +#if __DARWIN_C_LEVEL >= __DARWIN_C_FULL +/* + * Advisory file segment locking with time out - + * Information passed to system by user for F_SETLKWTIMEOUT + */ +struct flocktimeout { + struct flock fl; /* flock passed for file locking */ + struct timespec timeout; /* timespec struct for timeout */ +}; +#endif /* __DARWIN_C_LEVEL >= __DARWIN_C_FULL */ + +#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE) /* * advisory file read data type - * information passed by user to system */ + +#ifdef KERNEL +#pragma pack(4) /* prevent structure padding in kernel */ +#endif /* KERNEL */ + struct radvisory { off_t ra_offset; int ra_count; }; +#ifdef KERNEL +#pragma pack() +#endif /* KERNEL */ + +#ifndef KERNEL +/** Information the user passes in to get the codeblobs out of the kernel */ +typedef struct fcodeblobs { + void *f_cd_hash; + size_t f_hash_size; + void *f_cd_buffer; + size_t f_cd_size; + unsigned int *f_out_size; + int f_arch; + int __padding; +} fcodeblobs_t; +#endif /* KERNEL */ + +#ifdef KERNEL +typedef struct user32_fcodeblobs { + user32_addr_t f_cd_hash; + user32_size_t f_hash_size; + user32_addr_t f_cd_buffer; + user32_size_t f_cd_size; + user32_addr_t f_out_size; + int f_arch; +} user32_fcodeblobs_t; + +/* LP64 version of fcodeblobs */ +typedef struct user64_fcodeblobs { + user64_addr_t f_cd_hash; + user64_size_t f_hash_size; + user64_addr_t f_cd_buffer; + user64_size_t f_cd_size; + user64_addr_t f_out_size; + int f_arch; + int __padding; +} user64_fcodeblobs_t; + +/* kernel version of fcodeblobs */ +typedef struct user_fcodeblobs { + user_addr_t f_cd_hash; + user_size_t f_hash_size; + user_addr_t f_cd_buffer; + user_size_t f_cd_size; + user_addr_t f_out_size; + int f_arch; +} user_fcodeblobs_t; +#endif /* KERNEL */ + +/* + * detached code signatures data type - + * information passed by user to system used by F_ADDSIGS and F_ADDFILESIGS. + * F_ADDFILESIGS is a shortcut for files that contain their own signature and + * doesn't require mapping of the file in order to load the signature. + */ +typedef struct fsignatures { + off_t fs_file_start; + void *fs_blob_start; + size_t fs_blob_size; +} fsignatures_t; +#ifdef KERNEL +/* LP64 version of fsignatures. all pointers + * grow when we're dealing with a 64-bit process. + * WARNING - keep in sync with fsignatures + */ + +typedef struct user32_fsignatures { + off_t fs_file_start; + user32_addr_t fs_blob_start; + user32_size_t fs_blob_size; +} user32_fsignatures_t; + +typedef struct user_fsignatures { + off_t fs_file_start; /* offset of Mach-O image in FAT file */ + user_addr_t fs_blob_start; /* F_ADDSIGS: mem address of signature*/ + /* F_ADDFILESIGS: offset of signature */ + /* in Mach-O image */ + user_size_t fs_blob_size; /* size of signature blob */ +} user_fsignatures_t; +#endif /* KERNEL */ + +/* + * DYLD needs to check if the object is allowed to be combined + * into the main binary. This is done between the code signature + * is loaded and dyld is doing all the work to process the LOAD commands. + * + * While this could be done in F_ADDFILESIGS.* family the hook into + * the MAC module doesn't say no when LV isn't enabled and then that + * is cached on the vnode, and the MAC module never gets change once + * a process that library validation enabled. + */ +typedef struct fchecklv { + off_t lv_file_start; + size_t lv_error_message_size; + void *lv_error_message; +} fchecklv_t; + +#ifdef KERNEL +/* LP64 version of fchecklv. all pointers + * grow when we're dealing with a 64-bit process. + * WARNING - keep in sync with fsignatures + */ + +typedef struct user32_fchecklv { + user32_off_t lv_file_start; + user32_size_t lv_error_message_size; + user32_addr_t lv_error_message; +} user32_fchecklv_t; + +typedef struct user_fchecklv { + off_t lv_file_start; + user_size_t lv_error_message_size; + user_addr_t lv_error_message; +} user_fchecklv_t; + +#endif /* KERNEL */ + /* lock operations for flock(2) */ #define LOCK_SH 0x01 /* shared file lock */ @@ -337,7 +594,7 @@ struct radvisory { #define LOCK_NB 0x04 /* don't block when locking */ #define LOCK_UN 0x08 /* unlock file */ -/* fstore_t type used by F_DEALLOCATE and F_PREALLOCATE commands */ +/* fstore_t type used by F_PREALLOCATE command */ typedef struct fstore { unsigned int fst_flags; /* IN: flags word */ @@ -347,6 +604,20 @@ typedef struct fstore { off_t fst_bytesalloc; /* OUT: number of bytes allocated */ } fstore_t; +/* fpunchhole_t used by F_PUNCHHOLE */ +typedef struct fpunchhole { + unsigned int fp_flags; /* unused */ + unsigned int reserved; /* (to maintain 8-byte alignment) */ + off_t fp_offset; /* IN: start of the region */ + off_t fp_length; /* IN: size of the region */ +} fpunchhole_t; + +/* factive_file_trim_t used by F_TRIM_ACTIVE_FILE */ +typedef struct ftrimactivefile { + off_t fta_offset; /* IN: start of the region */ + off_t fta_length; /* IN: size of the region */ +} ftrimactivefile_t; + /* fbootstraptransfer_t used by F_READBOOTSTRAP and F_WRITEBOOTSTRAP commands */ typedef struct fbootstraptransfer { @@ -355,14 +626,18 @@ typedef struct fbootstraptransfer { void *fbt_buffer; /* IN: buffer to be read/written */ } fbootstraptransfer_t; - -// LP64todo - should this move? #ifdef KERNEL -/* LP64 version of fbootstraptransfer. all pointers +/* LP64 version of fbootstraptransfer. all pointers * grow when we're dealing with a 64-bit process. * WARNING - keep in sync with fbootstraptransfer */ +typedef struct user32_fbootstraptransfer { + off_t fbt_offset; /* IN: offset to start read/write */ + user32_size_t fbt_length; /* IN: number of bytes to transfer */ + user32_addr_t fbt_buffer; /* IN: buffer to be read/written */ +} user32_fbootstraptransfer_t; + typedef struct user_fbootstraptransfer { off_t fbt_offset; /* IN: offset to start read/write */ user_size_t fbt_length; /* IN: number of bytes to transfer */ @@ -386,29 +661,69 @@ typedef struct user_fbootstraptransfer { * For them the fcntl will nedd to switch from using BMAP to CMAP * and a per filesystem type flag will be needed to interpret the * contiguous bytes count result from CMAP. + * + * F_LOG2PHYS_EXT is a variant of F_LOG2PHYS that uses a passed in + * file offset and length instead of the current file offset. + * F_LOG2PHYS_EXT operates on the same structure as F_LOG2PHYS, but + * treats it as an in/out. */ #pragma pack(4) struct log2phys { - unsigned int l2p_flags; /* unused so far */ - off_t l2p_contigbytes; /* unused so far */ - off_t l2p_devoffset; /* bytes into device */ + unsigned int l2p_flags; /* unused so far */ + off_t l2p_contigbytes; /* F_LOG2PHYS: unused so far */ + /* F_LOG2PHYS_EXT: IN: number of bytes to be queried */ + /* OUT: number of contiguous bytes at this position */ + off_t l2p_devoffset; /* F_LOG2PHYS: OUT: bytes into device */ + /* F_LOG2PHYS_EXT: IN: bytes into file */ + /* OUT: bytes into device */ }; #pragma pack() #define O_POPUP 0x80000000 /* force window to popup on open */ #define O_ALERT 0x20000000 /* small, clean popup window */ -#endif /* _POSIX_C_SOURCE */ + +#ifdef PRIVATE +/* + * SPI: Argument data for F_OPENFROM + */ +struct fopenfrom { + unsigned int o_flags; /* same as open(2) */ + mode_t o_mode; /* same as open(2) */ + char * o_pathname; /* relative pathname */ +}; + +#ifdef KERNEL +/* + * LP64 version of fopenfrom. Memory pointers + * grow when we're dealing with a 64-bit process. + * + * WARNING - keep in sync with fopenfrom (above) + */ +struct user32_fopenfrom { + unsigned int o_flags; + mode_t o_mode; + user32_addr_t o_pathname; +}; + +struct user_fopenfrom { + unsigned int o_flags; + mode_t o_mode; + user_addr_t o_pathname; +}; +#endif /* KERNEL */ + +#endif /* PRIVATE */ + +#endif /* (_POSIX_C_SOURCE && !_DARWIN_C_SOURCE) */ #ifndef KERNEL -#ifndef _POSIX_C_SOURCE -#ifndef _FILESEC_T -struct _filesec; -typedef struct _filesec *filesec_t; -#define _FILESEC_T -#endif +#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE) + +#include + typedef enum { FILESEC_OWNER = 1, FILESEC_GROUP = 2, @@ -424,25 +739,51 @@ typedef enum { /* XXX backwards compatibility */ #define FILESEC_GUID FILESEC_UUID -#endif /* _POSIX_C_SOURCE */ +#endif /* (_POSIX_C_SOURCE && !_DARWIN_C_SOURCE) */ __BEGIN_DECLS -int open(const char *, int, ...); -int creat(const char *, mode_t); -int fcntl(int, int, ...); -#ifndef _POSIX_C_SOURCE +int open(const char *, int, ...) __DARWIN_ALIAS_C(open); +#if __DARWIN_C_LEVEL >= 200809L +int openat(int, const char *, int, ...) __DARWIN_NOCANCEL(openat) __OSX_AVAILABLE_STARTING(__MAC_10_10, __IPHONE_8_0); +#endif +int creat(const char *, mode_t) __DARWIN_ALIAS_C(creat); +int fcntl(int, int, ...) __DARWIN_ALIAS_C(fcntl); +#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE) + +#ifdef PRIVATE +/* + * These definitions are retained temporarily for compatibility. + * If you want to use fileports, please use + * #include + * or + * #include + */ +#ifndef _FILEPORT_T +#define _FILEPORT_T +typedef __darwin_mach_port_t fileport_t; +#define FILEPORT_NULL ((fileport_t)0) +#endif /* _FILEPORT_T */ + +int fileport_makeport(int, fileport_t*); +int fileport_makefd(fileport_t); +#endif /* PRIVATE */ int openx_np(const char *, int, filesec_t); +/* + * data-protected non-portable open(2) : + int open_dprotected_np(user_addr_t path, int flags, int class, int dpflags, int mode) + */ +int open_dprotected_np ( const char *, int, int, int, ...); int flock(int, int); filesec_t filesec_init(void); filesec_t filesec_dup(filesec_t); void filesec_free(filesec_t); int filesec_get_property(filesec_t, filesec_property_t, void *); -int filesec_set_property(filesec_t, filesec_property_t, const void *); -int filesec_unset_property(filesec_t, filesec_property_t); int filesec_query_property(filesec_t, filesec_property_t, int *); +int filesec_set_property(filesec_t, filesec_property_t, const void *); +int filesec_unset_property(filesec_t, filesec_property_t) __OSX_AVAILABLE_STARTING(__MAC_10_6, __IPHONE_3_2); #define _FILESEC_UNSET_PROPERTY ((void *)0) #define _FILESEC_REMOVE_ACL ((void *)1) -#endif /* !_POSIX_C_SOURCE */ +#endif /* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */ __END_DECLS #endif