X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/8f6c56a50524aa785f7e596d52dddfb331e18961..eee3565979933af707c711411001ba11fe406a3c:/bsd/sys/attr.h?ds=sidebyside diff --git a/bsd/sys/attr.h b/bsd/sys/attr.h index 1bcb5212e..d3bf9580a 100644 --- a/bsd/sys/attr.h +++ b/bsd/sys/attr.h @@ -1,5 +1,5 @@ /* - * Copyright (c) 2000-2005 Apple Computer, Inc. All rights reserved. + * Copyright (c) 2000-2016 Apple Computer, Inc. All rights reserved. * * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ * @@ -46,6 +46,17 @@ #define FSOPT_NOFOLLOW 0x00000001 #define FSOPT_NOINMEMUPDATE 0x00000002 #define FSOPT_REPORT_FULLSIZE 0x00000004 +/* The following option only valid when requesting ATTR_CMN_RETURNED_ATTRS */ +#define FSOPT_PACK_INVAL_ATTRS 0x00000008 + +#ifdef PRIVATE +#define FSOPT_EXCHANGE_DATA_ONLY 0x0000010 +#endif + +#define FSOPT_ATTR_CMN_EXTENDED 0x00000020 +#ifdef PRIVATE +#define FSOPT_LIST_SNAPSHOT 0x00000040 +#endif /* PRIVATE */ /* we currently aren't anywhere near this amount for a valid * fssearchblock.sizeofsearchparams1 or fssearchblock.sizeofsearchparams2 @@ -64,16 +75,13 @@ typedef u_int32_t fsfile_type_t; typedef u_int32_t fsvolid_t; -typedef struct fsobj_id { - u_int32_t fid_objno; - u_int32_t fid_generation; -} fsobj_id_t; +#include /* file object id type */ typedef u_int32_t attrgroup_t; struct attrlist { u_short bitmapcount; /* number of attr. bit sets in list (should be 5) */ - u_int16_t reserved; /* (to maintain 4-byte alignment) */ + u_int16_t reserved; /* (to maintain 4-byte alignment) */ attrgroup_t commonattr; /* common attribute group */ attrgroup_t volattr; /* Volume attribute group */ attrgroup_t dirattr; /* directory attribute group */ @@ -179,10 +187,48 @@ typedef struct vol_capabilities_attr { * A volume that must always read from disk or always perform a network * transaction should not set this bit. * - * VOL_CAP_FMT_2TB_FILESIZE: When set, the volume format supports file - * size upto 2TB. This bit does not necessarily mean that the file - * system does not support file size more than 2TB. This bit does - * not mean that the currently available space on the volume is 2TB. + * VOL_CAP_FMT_2TB_FILESIZE: If this bit is set the volume format supports + * file sizes larger than 4GB, and potentially up to 2TB; it does not + * indicate whether the filesystem supports files larger than that. + * + * VOL_CAP_FMT_OPENDENYMODES: When set, the volume supports open deny + * modes (e.g. "open for read write, deny write"; effectively, mandatory + * file locking based on open modes). + * + * VOL_CAP_FMT_HIDDEN_FILES: When set, the volume supports the UF_HIDDEN + * file flag, and the UF_HIDDEN flag is mapped to that volume's native + * "hidden" or "invisible" bit (which may be the invisible bit from the + * Finder Info extended attribute). + * + * VOL_CAP_FMT_PATH_FROM_ID: When set, the volume supports the ability + * to derive a pathname to the root of the file system given only the + * id of an object. This also implies that object ids on this file + * system are persistent and not recycled. This is a very specialized + * capability and it is assumed that most file systems will not support + * it. Its use is for legacy non-posix APIs like ResolveFileIDRef. + * + * VOL_CAP_FMT_NO_VOLUME_SIZES: When set, the volume does not support + * returning values for total data blocks, available blocks, or free blocks + * (as in f_blocks, f_bavail, or f_bfree in "struct statfs"). Historically, + * those values were set to 0xFFFFFFFF for volumes that did not support them. + * + * VOL_CAP_FMT_DECMPFS_COMPRESSION: When set, the volume supports transparent + * decompression of compressed files using decmpfs. + * + * VOL_CAP_FMT_64BIT_OBJECT_IDS: When set, the volume uses object IDs that + * are 64-bit. This means that ATTR_CMN_FILEID and ATTR_CMN_PARENTID are the + * only legitimate attributes for obtaining object IDs from this volume and the + * 32-bit fid_objno fields of the fsobj_id_t returned by ATTR_CMN_OBJID, + * ATTR_CMN_OBJPERMID, and ATTR_CMN_PAROBJID are undefined. + * + * VOL_CAP_FMT_DIR_HARDLINKS: When set, the volume supports directory + * hard links. + * + * VOL_CAP_FMT_DOCUMENT_ID: When set, the volume supports document IDs + * (an ID which persists across object ID changes) for document revisions. + * + * VOL_CAP_FMT_WRITE_GENERATION_COUNT: When set, the volume supports write + * generation counts (a count of how many times an object has been modified) */ #define VOL_CAP_FMT_PERSISTENTOBJECTIDS 0x00000001 #define VOL_CAP_FMT_SYMBOLICLINKS 0x00000002 @@ -196,6 +242,15 @@ typedef struct vol_capabilities_attr { #define VOL_CAP_FMT_CASE_PRESERVING 0x00000200 #define VOL_CAP_FMT_FAST_STATFS 0x00000400 #define VOL_CAP_FMT_2TB_FILESIZE 0x00000800 +#define VOL_CAP_FMT_OPENDENYMODES 0x00001000 +#define VOL_CAP_FMT_HIDDEN_FILES 0x00002000 +#define VOL_CAP_FMT_PATH_FROM_ID 0x00004000 +#define VOL_CAP_FMT_NO_VOLUME_SIZES 0x00008000 +#define VOL_CAP_FMT_DECMPFS_COMPRESSION 0x00010000 +#define VOL_CAP_FMT_64BIT_OBJECT_IDS 0x00020000 +#define VOL_CAP_FMT_DIR_HARDLINKS 0x00040000 +#define VOL_CAP_FMT_DOCUMENT_ID 0x00080000 +#define VOL_CAP_FMT_WRITE_GENERATION_COUNT 0x00100000 /* @@ -239,6 +294,30 @@ typedef struct vol_capabilities_attr { * style locks via vnop_advlock. This includes the O_EXLOCK and O_SHLOCK * flags of the open(2) call. * + * VOL_CAP_INT_EXTENDED_SECURITY: When set, the volume implements + * extended security (ACLs). + * + * VOL_CAP_INT_USERACCESS: When set, the volume supports the + * ATTR_CMN_USERACCESS attribute (used to get the user's access + * mode to the file). + * + * VOL_CAP_INT_MANLOCK: When set, the volume supports AFP-style + * mandatory byte range locks via an ioctl(). + * + * VOL_CAP_INT_EXTENDED_ATTR: When set, the volume implements + * native extended attribues. + * + * VOL_CAP_INT_NAMEDSTREAMS: When set, the volume supports + * native named streams. + * + * VOL_CAP_INT_CLONE: When set, the volume supports clones. + * + * VOL_CAP_INT_RENAME_SWAP: When set, the volume supports swapping + * file system objects. + * + * VOL_CAP_INT_RENAME_EXCL: When set, the volume supports an + * exclusive rename operation. + * */ #define VOL_CAP_INT_SEARCHFS 0x00000001 #define VOL_CAP_INT_ATTRLIST 0x00000002 @@ -252,6 +331,20 @@ typedef struct vol_capabilities_attr { #define VOL_CAP_INT_FLOCK 0x00000200 #define VOL_CAP_INT_EXTENDED_SECURITY 0x00000400 #define VOL_CAP_INT_USERACCESS 0x00000800 +#define VOL_CAP_INT_MANLOCK 0x00001000 +#define VOL_CAP_INT_NAMEDSTREAMS 0x00002000 +#define VOL_CAP_INT_EXTENDED_ATTR 0x00004000 +#ifdef PRIVATE +/* Volume supports kqueue notifications for remote events */ +#define VOL_CAP_INT_REMOTE_EVENT 0x00008000 +#endif /* PRIVATE */ +#define VOL_CAP_INT_CLONE 0x00010000 +#ifdef PRIVATE +/* Volume supports snapshots */ +#define VOL_CAP_INT_SNAPSHOT 0x00020000 +#endif /* PRIVATE */ +#define VOL_CAP_INT_RENAME_SWAP 0x00040000 +#define VOL_CAP_INT_RENAME_EXCL 0x00080000 typedef struct vol_attributes_attr { attribute_set_t validattr; @@ -277,12 +370,58 @@ typedef struct vol_attributes_attr { #define ATTR_CMN_GRPID 0x00010000 #define ATTR_CMN_ACCESSMASK 0x00020000 #define ATTR_CMN_FLAGS 0x00040000 + +/* The following were defined as: */ +/* #define ATTR_CMN_NAMEDATTRCOUNT 0x00080000 */ +/* #define ATTR_CMN_NAMEDATTRLIST 0x00100000 */ +/* These bits have been salvaged for use as: */ +/* #define ATTR_CMN_GEN_COUNT 0x00080000 */ +/* #define ATTR_CMN_DOCUMENT_ID 0x00100000 */ +/* They can only be used with the FSOPT_ATTR_CMN_EXTENDED */ +/* option flag. */ + +#define ATTR_CMN_GEN_COUNT 0x00080000 +#define ATTR_CMN_DOCUMENT_ID 0x00100000 + #define ATTR_CMN_USERACCESS 0x00200000 #define ATTR_CMN_EXTENDED_SECURITY 0x00400000 #define ATTR_CMN_UUID 0x00800000 #define ATTR_CMN_GRPUUID 0x01000000 +#define ATTR_CMN_FILEID 0x02000000 +#define ATTR_CMN_PARENTID 0x04000000 +#define ATTR_CMN_FULLPATH 0x08000000 +#define ATTR_CMN_ADDEDTIME 0x10000000 +#define ATTR_CMN_ERROR 0x20000000 +#define ATTR_CMN_DATA_PROTECT_FLAGS 0x40000000 -#define ATTR_CMN_VALIDMASK 0x003FFFFF +/* + * ATTR_CMN_RETURNED_ATTRS is only valid with getattrlist(2) and + * getattrlistbulk(2). It is always the first attribute in the return buffer. + */ +#define ATTR_CMN_RETURNED_ATTRS 0x80000000 + +#define ATTR_CMN_VALIDMASK 0xFFFFFFFF +/* + * The settable ATTR_CMN_* attributes include the following: + * ATTR_CMN_SCRIPT + * ATTR_CMN_CRTIME + * ATTR_CMN_MODTIME + * ATTR_CMN_CHGTIME + * + * ATTR_CMN_ACCTIME + * ATTR_CMN_BKUPTIME + * ATTR_CMN_FNDRINFO + * ATTR_CMN_OWNERID + * + * ATTR_CMN_GRPID + * ATTR_CMN_ACCESSMASK + * ATTR_CMN_FLAGS + * + * ATTR_CMN_EXTENDED_SECURITY + * ATTR_CMN_UUID + * + * ATTR_CMN_GRPUUID + */ #define ATTR_CMN_SETMASK 0x01C7FF00 #define ATTR_CMN_VOLSETMASK 0x00006700 @@ -304,10 +443,17 @@ typedef struct vol_attributes_attr { #define ATTR_VOL_MOUNTEDDEVICE 0x00008000 #define ATTR_VOL_ENCODINGSUSED 0x00010000 #define ATTR_VOL_CAPABILITIES 0x00020000 +#define ATTR_VOL_UUID 0x00040000 #define ATTR_VOL_ATTRIBUTES 0x40000000 #define ATTR_VOL_INFO 0x80000000 -#define ATTR_VOL_VALIDMASK 0xC003FFFF +#define ATTR_VOL_VALIDMASK 0xC007FFFF + +/* + * The list of settable ATTR_VOL_* attributes include the following: + * ATTR_VOL_NAME + * ATTR_VOL_INFO + */ #define ATTR_VOL_SETMASK 0x80002000 @@ -315,7 +461,9 @@ typedef struct vol_attributes_attr { #define ATTR_DIR_LINKCOUNT 0x00000001 #define ATTR_DIR_ENTRYCOUNT 0x00000002 #define ATTR_DIR_MOUNTSTATUS 0x00000004 -#define DIR_MNTSTATUS_MNTPOINT 0x00000001 +/* ATTR_DIR_MOUNTSTATUS Flags: */ +#define DIR_MNTSTATUS_MNTPOINT 0x00000001 +#define DIR_MNTSTATUS_TRIGGER 0x00000002 #define ATTR_DIR_VALIDMASK 0x00000007 #define ATTR_DIR_SETMASK 0x00000000 @@ -332,7 +480,11 @@ typedef struct vol_attributes_attr { #define ATTR_FILE_RSRCLENGTH 0x00001000 #define ATTR_FILE_RSRCALLOCSIZE 0x00002000 -#define ATTR_FILE_VALIDMASK 0x00007FFF +#define ATTR_FILE_VALIDMASK 0x000037FF +/* + * Settable ATTR_FILE_* attributes include: + * ATTR_FILE_DEVTYPE + */ #define ATTR_FILE_SETMASK 0x00000020 #define ATTR_FORK_TOTALSIZE 0x00000001 @@ -342,13 +494,16 @@ typedef struct vol_attributes_attr { #define ATTR_FORK_SETMASK 0x00000000 /* Obsolete, implemented, not supported */ -#define ATTR_CMN_NAMEDATTRCOUNT 0x00080000 /* not implemented */ -#define ATTR_CMN_NAMEDATTRLIST 0x00100000 /* not implemented */ +#define ATTR_CMN_NAMEDATTRCOUNT 0x00080000 +#define ATTR_CMN_NAMEDATTRLIST 0x00100000 #define ATTR_FILE_CLUMPSIZE 0x00000010 /* obsolete */ #define ATTR_FILE_FILETYPE 0x00000040 /* always zero */ #define ATTR_FILE_DATAEXTENTS 0x00000800 /* obsolete, HFS-specific */ #define ATTR_FILE_RSRCEXTENTS 0x00004000 /* obsolete, HFS-specific */ +/* Required attributes for getattrlistbulk(2) */ +#define ATTR_BULK_REQUIRED (ATTR_CMN_NAME | ATTR_CMN_RETURNED_ATTRS) + /* * Searchfs */ @@ -382,37 +537,40 @@ struct fssearchblock { * grow when we're dealing with a 64-bit process. * WARNING - keep in sync with fssearchblock */ -// LP64todo - should this move? - -#if __DARWIN_ALIGN_NATURAL -#pragma options align=natural -#endif -struct user_fssearchblock { - user_addr_t returnattrs; - user_addr_t returnbuffer; - user_size_t returnbuffersize; - user_ulong_t maxmatches; - struct timeval timelimit; - user_addr_t searchparams1; - user_size_t sizeofsearchparams1; - user_addr_t searchparams2; - user_size_t sizeofsearchparams2; +struct user64_fssearchblock { + user64_addr_t returnattrs; + user64_addr_t returnbuffer; + user64_size_t returnbuffersize; + user64_ulong_t maxmatches; + struct user64_timeval timelimit; + user64_addr_t searchparams1; + user64_size_t sizeofsearchparams1; + user64_addr_t searchparams2; + user64_size_t sizeofsearchparams2; struct attrlist searchattrs; }; -#if __DARWIN_ALIGN_NATURAL -#pragma options align=reset -#endif - - -#endif // KERNEL +struct user32_fssearchblock { + user32_addr_t returnattrs; + user32_addr_t returnbuffer; + user32_size_t returnbuffersize; + user32_ulong_t maxmatches; + struct user32_timeval timelimit; + user32_addr_t searchparams1; + user32_size_t sizeofsearchparams1; + user32_addr_t searchparams2; + user32_size_t sizeofsearchparams2; + struct attrlist searchattrs; +}; +#endif /* KERNEL */ struct searchstate { - u_char reserved[556]; // sizeof( SearchState ) -}; - + uint32_t ss_union_flags; // for SRCHFS_START + uint32_t ss_union_layer; // 0 = top + u_char ss_fsstate[548]; // fs private +} __attribute__((packed)); #define FST_EOF (-1) /* end-of-file offset */