1/* 2 * $Id: adouble.h,v 1.55 2010-03-30 12:55:26 franklahm Exp $ 3 * Copyright (c) 1990,1991 Regents of The University of Michigan. 4 * All Rights Reserved. 5 * 6 * Permission to use, copy, modify, and distribute this software and 7 * its documentation for any purpose and without fee is hereby granted, 8 * provided that the above copyright notice appears in all copies and 9 * that both that copyright notice and this permission notice appear 10 * in supporting documentation, and that the name of The University 11 * of Michigan not be used in advertising or publicity pertaining to 12 * distribution of the software without specific, written prior 13 * permission. This software is supplied as is without expressed or 14 * implied warranties of any kind. 15 * 16 * Research Systems Unix Group 17 * The University of Michigan 18 * c/o Mike Clark 19 * 535 W. William Street 20 * Ann Arbor, Michigan 21 * +1-313-763-0525 22 * netatalk@itd.umich.edu 23 */ 24 25/*! 26 * @file 27 * @brief Part of Netatalk's AppleDouble implementatation 28 */ 29 30#ifndef _ATALK_ADOUBLE_H 31#define _ATALK_ADOUBLE_H 32 33#ifdef HAVE_CONFIG_H 34#include <config.h> 35#endif 36 37/* ------------------- 38 * need pread() and pwrite() 39 */ 40#ifdef HAVE_PREAD 41 42#ifndef HAVE_PWRITE 43#undef HAVE_PREAD 44#endif 45 46#endif 47 48#ifdef HAVE_PWRITE 49#ifndef HAVE_PREAD 50#undef HAVE_PWRITE 51#endif 52#endif 53 54/* 55 Still have to figure out which platforms really 56 need _XOPEN_SOURCE defined for pread. 57*/ 58#if defined(HAVE_PREAD) && !defined(SOLARIS) && !defined(__OpenBSD__) && !defined(__NetBSD__) && !defined(__FreeBSD__) && !defined(TRU64) 59#ifndef _XOPEN_SOURCE 60#define _XOPEN_SOURCE 500 61#endif 62#endif 63 64#include <sys/types.h> 65#include <sys/stat.h> 66 67#ifdef HAVE_UNISTD_H 68#undef __USE_MISC 69#define __USE_MISC 70#include <unistd.h> 71#endif 72 73#include <sys/cdefs.h> 74 75#ifdef HAVE_FCNTL_H 76#include <fcntl.h> 77#endif 78 79#include <sys/mman.h> 80 81#ifdef HAVE_SYS_TIME_H 82#include <sys/time.h> 83#endif 84#include <netatalk/endian.h> 85 86/* version info */ 87#define AD_VERSION1 0x00010000 88#define SFM_VERSION AD_VERSION1 89 90#define AD_VERSION2 0x00020000 91#define AD_VERSION2_OSX 0x00020001 92/* 93 #define AD_VERSION1_ADS 0x00010002 94*/ 95#define AD_VERSION1_SFM 0x00010003 96#define AD_VERSION AD_VERSION2 97 98/* 99 * AppleDouble entry IDs. 100 */ 101#define ADEID_DFORK 1 102#define ADEID_RFORK 2 103#define ADEID_NAME 3 /* Note: starting with Netatalk 2.1 we do NOT alway set the name */ 104#define ADEID_COMMENT 4 105#define ADEID_ICONBW 5 106#define ADEID_ICONCOL 6 107#define ADEID_FILEI 7 /* v1, replaced by: */ 108#define ADEID_FILEDATESI 8 /* this */ 109#define ADEID_FINDERI 9 110#define ADEID_MACFILEI 10 /* we don't use this */ 111#define ADEID_PRODOSFILEI 11 /* we store prodos info here */ 112#define ADEID_MSDOSFILEI 12 /* we don't use this */ 113#define ADEID_SHORTNAME 13 114#define ADEID_AFPFILEI 14 /* where the rest of the FILEI info goes */ 115#define ADEID_DID 15 116 117#if AD_VERSION == AD_VERSION1 118#define ADEID_MAX 16 119#else 120/* netatalk private note fileid reused DID */ 121#define ADEID_PRIVDEV 16 122#define ADEID_PRIVINO 17 123#define ADEID_PRIVSYN 18 /* in synch with database */ 124#define ADEID_PRIVID 19 125#define ADEID_SFMRESERVE1 20 126#define ADEID_SFMRESERVE2 21 127 128#define AD_DEV 0x80444556 129#define AD_INO 0x80494E4F 130#define AD_SYN 0x8053594E 131#define AD_ID 0x8053567E 132#define ADEID_MAX 22 133#endif 134 135/* magic */ 136#define AD_APPLESINGLE_MAGIC 0x00051600 137#define AD_APPLEDOUBLE_MAGIC 0x00051607 138#define AD_MAGIC AD_APPLEDOUBLE_MAGIC 139#define SFM_MAGIC 0x00504641 140 141/* sizes of relevant entry bits */ 142#define ADEDLEN_MAGIC 4 143#define ADEDLEN_VERSION 4 144#define ADEDLEN_FILLER 16 145#define ADEDLEN_NENTRIES 2 146 147/* 26 */ 148#define AD_HEADER_LEN (ADEDLEN_MAGIC + ADEDLEN_VERSION + \ 149 ADEDLEN_FILLER + ADEDLEN_NENTRIES) 150#define AD_ENTRY_LEN 12 /* size of a single entry header */ 151 152/* v1 field widths */ 153#define ADEDLEN_NAME 255 154#define ADEDLEN_COMMENT 200 155#define ADEDLEN_FILEI 16 156#define ADEDLEN_FINDERI 32 157 158/* v2 field widths */ 159#define ADEDLEN_FILEDATESI 16 160#define ADEDLEN_SHORTNAME 12 /* length up to 8.3 */ 161#define ADEDLEN_AFPFILEI 4 162#define ADEDLEN_MACFILEI 4 163#define ADEDLEN_PRODOSFILEI 8 164#define ADEDLEN_MSDOSFILEI 2 165#define ADEDLEN_DID 4 166#define ADEDLEN_PRIVDEV 8 167#define ADEDLEN_PRIVINO 8 168#define ADEDLEN_PRIVSYN 8 169#define ADEDLEN_PRIVID 4 170 171#define ADEID_NUM_V1 5 172#define ADEID_NUM_V2 13 173 174// #define ADEID_NUM_SFM 5 175/* sizeof SFM meta data */ 176#define AD_SFM_LEN 60 177 178/* 589 */ 179#define AD_DATASZ1 (AD_HEADER_LEN + ADEDLEN_NAME + ADEDLEN_COMMENT + ADEDLEN_FILEI + ADEDLEN_FINDERI + \ 180 (ADEID_NUM_V1 * AD_ENTRY_LEN)) 181 182#if AD_DATASZ1 != 589 183#error bad size for AD_DATASZ1 184#endif 185 186#define AD_NEWSZ2 (ADEDLEN_DID + ADEDLEN_AFPFILEI + ADEDLEN_SHORTNAME + ADEDLEN_PRODOSFILEI \ 187 + ADEDLEN_PRIVDEV + ADEDLEN_PRIVINO + ADEDLEN_PRIVSYN + ADEDLEN_PRIVID) 188 189/* 725 */ 190#define AD_DATASZ2 (AD_DATASZ1 + AD_NEWSZ2 + ((ADEID_NUM_V2 - ADEID_NUM_V1) * AD_ENTRY_LEN)) 191 192#if AD_DATASZ2 != 741 193#error bad size for AD_DATASZ2 194#endif 195 196#define AD_DATASZ_MAX 1024 197#if AD_VERSION == AD_VERSION1 198#define AD_DATASZ AD_DATASZ1 /* hold enough for the entries */ 199#elif AD_VERSION == AD_VERSION2 200#define AD_DATASZ AD_DATASZ2 201#endif 202 203/* 204 * some legacy defines from netatalk-990130 205 * (to keep from breaking certain packages) 206 * 207 */ 208 209#define ADEDOFF_RFORK 589 210#define ADEDOFF_NAME 86 211#define ADEDOFF_COMMENT 341 212#define ADEDOFF_FINDERI 557 213#ifndef ADEDOFF_FILEI 214#define ADEDOFF_FILEI 541 215#endif 216 217typedef u_int32_t cnid_t; 218 219/* 220 * The header of the AppleDouble Header File looks like this: 221 * 222 * NAME SIZE 223 * ==== ==== 224 * Magic 4 225 * Version 4 226 * Home File System 16 (this becomes filler in ad v2) 227 * Number of Entries 2 228 * Entry Descriptors for each entry: 229 * Entry ID 4 230 * Offset 4 231 * Length 4 232 */ 233 234struct ad_entry { 235 u_int32_t ade_off; 236 u_int32_t ade_len; 237}; 238 239typedef struct adf_lock_t { 240 struct flock lock; 241 int user; 242 int *refcount; /* handle read locks with multiple users */ 243} adf_lock_t; 244 245struct ad_fd { 246 int adf_fd; /* -1: invalid, -2: symlink */ 247 248#ifndef HAVE_PREAD 249 off_t adf_off; 250#endif 251 252 char *adf_syml; 253 int adf_flags; 254 int adf_excl; 255 adf_lock_t *adf_lock; 256 int adf_refcount, adf_lockcount, adf_lockmax; 257}; 258 259/* some header protection */ 260#define AD_INITED 0xad494e54 /* ad"INT" */ 261struct adouble_fops; 262 263struct adouble { 264 u_int32_t ad_magic; 265 u_int32_t ad_version; 266 char ad_filler[ 16 ]; 267 struct ad_entry ad_eid[ ADEID_MAX ]; 268 struct ad_fd ad_data_fork, ad_resource_fork, ad_metadata_fork; 269 struct ad_fd *ad_md; /* either ad_resource or ad_metadata */ 270 271 int ad_flags; /* This really stores version info too (AD_VERSION*) */ 272 int ad_adflags; /* ad_open flags adflags like ADFLAGS_DIR */ 273 unsigned int ad_inited; 274 int ad_options; 275 int ad_fileordir; 276 int ad_refcount; /* used in afpd/ofork.c */ 277 off_t ad_rlen; /* ressource fork len with AFP 3.0 278 the header parameter size is too small. 279 */ 280 char *ad_m_name; /* mac name for open fork */ 281 int ad_m_namelen; 282 struct adouble_fops *ad_ops; 283 u_int16_t ad_open_forks; /* open forks (by others) */ 284 285#ifdef USE_MMAPPED_HEADERS 286 char *ad_data; 287#else 288 char ad_data[AD_DATASZ_MAX]; 289#endif 290}; 291 292struct adouble_fops { 293 char *(*ad_path)(const char *, int); 294 int (*ad_mkrf)(char *); 295 int (*ad_rebuild_header)(struct adouble *); 296 int (*ad_check_header)(struct adouble *, struct stat *); 297 int (*ad_header_read)(struct adouble *, struct stat *); 298 int (*ad_header_upgrade)(struct adouble *, char *); 299}; 300 301#define ADFLAGS_DF (1<<0) 302#define ADFLAGS_HF (1<<1) 303#define ADFLAGS_DIR (1<<2) 304/* 305#define ADFLAGS_NOADOUBLE (1<<3) 306*/ 307#define ADFLAGS_V1COMPAT (1<<4) 308#define ADFLAGS_NOHF (1<<5) /* not an error if no ressource fork */ 309#define ADFLAGS_RDONLY (1<<6) /* don't try readwrite */ 310#define ADFLAGS_OPENFORKS (1<<7) /* check for open fork in ad_metadata function */ 311#define ADFLAGS_RF (1<<8) 312#define ADFLAGS_MD ADFLAGS_HF /* (1<<9) */ 313#define ADFLAGS_CREATE (1<<9) 314 315/* adouble v2 cnid cache */ 316#define ADVOL_NODEV (1 << 0) 317#define ADVOL_CACHE (1 << 1) 318#define ADVOL_UNIXPRIV (1 << 2) /* adouble unix priv */ 319#define ADVOL_INVDOTS (1 << 3) /* dot files (.DS_Store) are invisible) */ 320#define ADVOL_NOADOUBLE (1 << 4) 321 322/* lock flags */ 323#define ADLOCK_CLR (0) 324#define ADLOCK_RD (1<<0) 325#define ADLOCK_WR (1<<1) 326#define ADLOCK_MASK (ADLOCK_RD | ADLOCK_WR) 327#define ADLOCK_UPGRADE (1<<2) 328#define ADLOCK_FILELOCK (1<<3) 329 330/* we use this so that we can use the same mechanism for both byte 331 * locks and file synchronization locks. i do this by co-opting either 332 * first bits on 32-bit machines or shifting above the last bit on 333 * 64-bit machines. this only matters for the data fork. */ 334#if defined(TRY_64BITOFF_T) && (~0UL > 0xFFFFFFFFU) 335/* synchronization locks */ 336#define AD_FILELOCK_BASE (0x80000000) 337#else 338#define AD_FILELOCK_BASE (0x7FFFFFFF -9) 339#endif 340 341/* FIXME: 342 * AD_FILELOCK_BASE case 343 */ 344#if _FILE_OFFSET_BITS == 64 345#define BYTELOCK_MAX (0x7FFFFFFFFFFFFFFFULL) 346#else 347/* Tru64 is an always-64-bit OS; version 4.0 does not set _FILE_OFFSET_BITS */ 348#if defined(TRU64) 349#define BYTELOCK_MAX (0x7FFFFFFFFFFFFFFFULL) 350#else 351#define BYTELOCK_MAX (0x7FFFFFFFU) 352#endif 353#endif 354 355#define AD_FILELOCK_OPEN_WR (AD_FILELOCK_BASE + 0) 356#define AD_FILELOCK_OPEN_RD (AD_FILELOCK_BASE + 1) 357#define AD_FILELOCK_DENY_WR (AD_FILELOCK_BASE + 2) 358#define AD_FILELOCK_DENY_RD (AD_FILELOCK_BASE + 3) 359#define AD_FILELOCK_OPEN_NONE (AD_FILELOCK_BASE + 4) 360 361/* time stuff. we overload the bits a little. */ 362#define AD_DATE_CREATE 0 363#define AD_DATE_MODIFY 4 364#define AD_DATE_BACKUP 8 365#define AD_DATE_ACCESS 12 366#define AD_DATE_MASK (AD_DATE_CREATE | AD_DATE_MODIFY | \ 367 AD_DATE_BACKUP | AD_DATE_ACCESS) 368#define AD_DATE_UNIX (1 << 10) 369#define AD_DATE_START htonl(0x80000000) 370#define AD_DATE_DELTA 946684800 371#define AD_DATE_FROM_UNIX(x) htonl((x) - AD_DATE_DELTA) 372#define AD_DATE_TO_UNIX(x) (ntohl(x) + AD_DATE_DELTA) 373 374/* various finder offset and info bits */ 375#define FINDERINFO_FRTYPEOFF 0 376#define FINDERINFO_FRCREATOFF 4 377#define FINDERINFO_FRFLAGOFF 8 378 379/* FinderInfo Flags, char in `ad ls`, valid for files|dirs */ 380#define FINDERINFO_ISONDESK (1) /* "d", fd */ 381#define FINDERINFO_COLOR (0x0e) 382#define FINDERINFO_HIDEEXT (1<<4) /* "e", fd */ 383#define FINDERINFO_ISHARED (1<<6) /* "m", f */ 384#define FINDERINFO_HASNOINITS (1<<7) /* "n", f */ 385#define FINDERINFO_HASBEENINITED (1<<8) /* "i", fd */ 386#define FINDERINFO_HASCUSTOMICON (1<<10) /* "c", fd */ 387#define FINDERINFO_ISSTATIONNERY (1<<11) /* "t", f */ 388#define FINDERINFO_NAMELOCKED (1<<12) /* "s", fd */ 389#define FINDERINFO_HASBUNDLE (1<<13) /* "b", fd */ 390#define FINDERINFO_INVISIBLE (1<<14) /* "v", fd */ 391#define FINDERINFO_ISALIAS (1<<15) /* "a", fd */ 392 393#define FINDERINFO_FRVIEWOFF 14 394#define FINDERINFO_CUSTOMICON 0x4 395#define FINDERINFO_CLOSEDVIEW 0x100 396 397/* 398 The "shared" and "invisible" attributes are opaque and stored and 399 retrieved from the FinderFlags. This fixes Bug #2802236: 400 <https://sourceforge.net/tracker/?func=detail&aid=2802236&group_id=8642&atid=108642> 401*/ 402 403/* AFP attributes, char in `ad ls`, valid for files|dirs */ 404#define ATTRBIT_INVISIBLE (1<<0) /* opaque from FinderInfo */ 405#define ATTRBIT_MULTIUSER (1<<1) /* file: opaque, dir: see below */ 406#define ATTRBIT_SYSTEM (1<<2) /* "y", fd */ 407#define ATTRBIT_DOPEN (1<<3) /* data fork already open. Not stored, computed on the fly */ 408#define ATTRBIT_ROPEN (1<<4) /* resource fork already open. Not stored, computed on the fly */ 409#define ATTRBIT_NOWRITE (1<<5) /* "w", f, write inhibit(v2)/read-only(v1) bit */ 410#define ATTRBIT_BACKUP (1<<6) /* "p", fd */ 411#define ATTRBIT_NORENAME (1<<7) /* "r", fd */ 412#define ATTRBIT_NODELETE (1<<8) /* "l", fd */ 413#define ATTRBIT_NOCOPY (1<<10) /* "o", f */ 414#define ATTRBIT_SETCLR (1<<15) /* set/clear bit (d) */ 415 416/* AFP attributes for dirs. These should probably be computed on the fly. 417 * We don't do that, nor does e.g. OS S X 10.5 Server */ 418#define ATTRBIT_EXPFLDR (1<<1) /* Folder is a sharepoint */ 419#define ATTRBIT_MOUNTED (1<<3) /* Directory is mounted by a user */ 420#define ATTRBIT_SHARED (1<<4) /* Shared area, called IsExpFolder in spec */ 421 422/* private AFPFileInfo bits */ 423#define AD_AFPFILEI_OWNER (1 << 0) /* any owner */ 424#define AD_AFPFILEI_GROUP (1 << 1) /* ignore group */ 425#define AD_AFPFILEI_BLANKACCESS (1 << 2) /* blank access permissions */ 426 427#define ad_data_fileno(ad) ((ad)->ad_data_fork.adf_fd) 428#define ad_reso_fileno(ad) ((ad)->ad_resource_fork.adf_fd) 429#define ad_meta_fileno(ad) ((ad)->ad_md->adf_fd) 430 431#define ad_getversion(ad) ((ad)->ad_version) 432 433#define ad_getentrylen(ad,eid) ((ad)->ad_eid[(eid)].ade_len) 434#define ad_setentrylen(ad,eid,len) ((ad)->ad_eid[(eid)].ade_len = (len)) 435#define ad_getentryoff(ad,eid) ((ad)->ad_eid[(eid)].ade_off) 436#define ad_entry(ad,eid) ((caddr_t)(ad)->ad_data + (ad)->ad_eid[(eid)].ade_off) 437 438#define ad_get_HF_flags(ad) ((ad)->ad_resource_fork.adf_flags) 439#define ad_get_MD_flags(ad) ((ad)->ad_md->adf_flags) 440 441/* ad_flush.c */ 442extern int ad_rebuild_adouble_header (struct adouble *); 443extern int ad_rebuild_sfm_header (struct adouble *); 444extern int ad_copy_header (struct adouble *, struct adouble *); 445extern int ad_flush (struct adouble *); 446extern int ad_close (struct adouble *, int); 447 448/* ad_lock.c */ 449extern int ad_fcntl_lock (struct adouble *, const u_int32_t /*eid*/, 450 const int /*type*/, const off_t /*offset*/, 451 const off_t /*len*/, const int /*user*/); 452extern void ad_fcntl_unlock (struct adouble *, const int /*user*/); 453extern int ad_fcntl_tmplock (struct adouble *, const u_int32_t /*eid*/, 454 const int /*type*/, const off_t /*offset*/, 455 const off_t /*len*/, const int /*user*/); 456extern int ad_testlock (struct adouble * /*adp*/, int /*eid*/, off_t /*off*/); 457 458extern u_int16_t ad_openforks (struct adouble * /*adp*/, u_int16_t); 459extern int ad_excl_lock (struct adouble * /*adp*/, const u_int32_t /*eid*/); 460 461#define ad_lock ad_fcntl_lock 462#define ad_tmplock ad_fcntl_tmplock 463#define ad_unlock ad_fcntl_unlock 464 465/* ad_open.c */ 466extern int ad_setfuid (const uid_t ); 467extern uid_t ad_getfuid (void ); 468extern char *ad_dir (const char *); 469extern char *ad_path (const char *, int); 470extern char *ad_path_osx (const char *, int); 471extern char *ad_path_ads (const char *, int); 472extern char *ad_path_sfm (const char *, int); 473extern int ad_mode (const char *, int); 474extern int ad_mkdir (const char *, int); 475extern void ad_init (struct adouble *, int, int ); 476extern int ad_open (const char *, int, int, int, struct adouble *); 477extern int ad_openat (int dirfd, const char *, int, int, int, struct adouble *); 478extern int ad_refresh (struct adouble *); 479extern int ad_stat (const char *, struct stat *); 480extern int ad_metadata (const char *, int, struct adouble *); 481extern int ad_metadataat (int, const char *, int, struct adouble *); 482 483#define ad_open_metadata(name, flags, mode, adp)\ 484 ad_open(name, ADFLAGS_MD|(flags), O_RDWR |(mode), 0666, (adp)) 485 486#define ad_close_metadata(adp) ad_close( (adp), ADFLAGS_MD) 487 488/* build a resource fork mode from the data fork mode: 489 * remove X mode and extend header to RW if R or W (W if R for locking), 490 */ 491static inline mode_t ad_hf_mode (mode_t mode) 492{ 493 mode &= ~(S_IXUSR | S_IXGRP | S_IXOTH); 494 /* fnctl lock need write access */ 495 if ((mode & S_IRUSR)) 496 mode |= S_IWUSR; 497 if ((mode & S_IRGRP)) 498 mode |= S_IWGRP; 499 if ((mode & S_IROTH)) 500 mode |= S_IWOTH; 501 502 /* if write mode set add read mode */ 503 if ((mode & S_IWUSR)) 504 mode |= S_IRUSR; 505 if ((mode & S_IWGRP)) 506 mode |= S_IRGRP; 507 if ((mode & S_IWOTH)) 508 mode |= S_IROTH; 509 510 return mode; 511} 512 513/* ad_ea.c */ 514ssize_t sys_getxattr (const char *path, const char *name, void *value, size_t size); 515ssize_t sys_lgetxattr (const char *path, const char *name, void *value, size_t size); 516ssize_t sys_fgetxattr (int filedes, const char *name, void *value, size_t size); 517ssize_t sys_listxattr (const char *path, char *list, size_t size); 518ssize_t sys_llistxattr (const char *path, char *list, size_t size); 519ssize_t sys_flistxattr (int filedes, char *list, size_t size); 520int sys_removexattr (const char *path, const char *name); 521int sys_lremovexattr (const char *path, const char *name); 522int sys_fremovexattr (int filedes, const char *name); 523int sys_setxattr (const char *path, const char *name, const void *value, size_t size, int flags); 524int sys_lsetxattr (const char *path, const char *name, const void *value, size_t size, int flags); 525int sys_fsetxattr (int filedes, const char *name, const void *value, size_t size, int flags); 526int sys_copyxattr (const char *src, const char *dst); 527 528/* ad_read.c/ad_write.c */ 529extern int sys_ftruncate(int fd, off_t length); 530 531extern ssize_t ad_read (struct adouble *, const u_int32_t, 532 const off_t, char *, const size_t); 533extern ssize_t ad_pread (struct ad_fd *, void *, size_t, off_t); 534extern ssize_t ad_write (struct adouble *, const u_int32_t, off_t, 535 const int, const char *, const size_t); 536extern ssize_t adf_pread (struct ad_fd *, void *, size_t, off_t); 537extern ssize_t adf_pwrite (struct ad_fd *, const void *, size_t, off_t); 538extern int ad_dtruncate (struct adouble *, const off_t); 539extern int ad_rtruncate (struct adouble *, const off_t); 540 541/* ad_size.c */ 542extern off_t ad_size (const struct adouble *, const u_int32_t ); 543 544/* ad_mmap.c */ 545extern void *ad_mmapread (struct adouble *, const u_int32_t, 546 const off_t, const size_t); 547extern void *ad_mmapwrite (struct adouble *, const u_int32_t, 548 const off_t, const int, const size_t); 549#define ad_munmap(buf, len) (munmap((buf), (len))) 550 551/* ad_date.c */ 552extern int ad_setdate (struct adouble *, unsigned int, u_int32_t); 553extern int ad_getdate (const struct adouble *, unsigned int, u_int32_t *); 554 555/* ad_attr.c */ 556extern int ad_setattr (const struct adouble *, const u_int16_t); 557extern int ad_getattr (const struct adouble *, u_int16_t *); 558 559/* Note: starting with Netatalk 2.1 we do NOT alway set the name */ 560extern int ad_setname (struct adouble *, const char *); 561 562#if AD_VERSION == AD_VERSION2 563extern int ad_setid (struct adouble *, const dev_t dev,const ino_t ino, const u_int32_t, const u_int32_t, const void *); 564extern u_int32_t ad_getid (struct adouble *, const dev_t, const ino_t, const cnid_t, const void *); 565extern u_int32_t ad_forcegetid (struct adouble *adp); 566#else 567#define ad_setid(a, b, c) 568#endif 569 570#ifdef WITH_SENDFILE 571extern int ad_readfile_init(const struct adouble *ad, 572 const int eid, off_t *off, 573 const int end); 574#endif 575 576#if 0 577#ifdef HAVE_SENDFILE_WRITE 578extern ssize_t ad_writefile (struct adouble *, const int, 579 const int, off_t, const int, const size_t); 580#endif /* HAVE_SENDFILE_WRITE */ 581#endif /* 0 */ 582 583#endif /* _ATALK_ADOUBLE_H */ 584