-/*
+ /*
* Copyright (c) 1990,1991 Regents of The University of Michigan.
* All Rights Reserved.
*
#define AD_VERSION_EA 0x00020002
/* default */
-#define AD_VERSION AD_VERSION2
+#define AD_VERSION AD_VERSION_EA
/*
* AppleDouble entry IDs.
#define ADEDLEN_VERSION 4
#define ADEDLEN_FILLER 16
#define ADEDLEN_NENTRIES 2
-#define AD_HEADER_LEN (ADEDLEN_MAGIC + ADEDLEN_VERSION + ADEDLEN_FILLER + ADEDLEN_NENTRIES)
+#define AD_HEADER_LEN (ADEDLEN_MAGIC + ADEDLEN_VERSION + ADEDLEN_FILLER + ADEDLEN_NENTRIES) /* 26 */
#define AD_ENTRY_LEN 12 /* size of a single entry header */
/* field widths */
#define ADEDLEN_PRIVID 4
#define ADEID_NUM_V2 13
-#define ADEID_NUM_EA 5
+#define ADEID_NUM_EA 8
+#define ADEID_NUM_OSX 2
#define AD_DATASZ2 (AD_HEADER_LEN + ADEDLEN_NAME + ADEDLEN_COMMENT + ADEDLEN_FILEI + \
ADEDLEN_FINDERI + ADEDLEN_DID + ADEDLEN_AFPFILEI + ADEDLEN_SHORTNAME + \
#error bad size for AD_DATASZ2
#endif
-#define AD_DATASZ_EA (AD_HEADER_LEN + (ADEID_NUM_EA * AD_ENTRY_LEN) + ADEDLEN_FINDERI + \
- ADEDLEN_COMMENT + ADEDLEN_FILEDATESI + ADEDLEN_AFPFILEI + ADEDLEN_PRIVID)
+#define AD_DATASZ_EA (AD_HEADER_LEN + (ADEID_NUM_EA * AD_ENTRY_LEN) + \
+ ADEDLEN_FINDERI + ADEDLEN_COMMENT + ADEDLEN_FILEDATESI + ADEDLEN_AFPFILEI + \
+ ADEDLEN_PRIVDEV + ADEDLEN_PRIVINO + ADEDLEN_PRIVSYN + ADEDLEN_PRIVID)
-#if AD_DATASZ_EA != 342
+#if AD_DATASZ_EA != 402
#error bad size for AD_DATASZ_EA
#endif
+#define AD_DATASZ_OSX (AD_HEADER_LEN + (ADEID_NUM_OSX * AD_ENTRY_LEN) + ADEDLEN_FINDERI)
+
+#if AD_DATASZ_OSX != 82
+#error bad size for AD_DATASZ_OSX
+#endif
+
#define AD_DATASZ_MAX 1024
#if AD_VERSION == AD_VERSION2
#define AD_DATASZ AD_DATASZ_EA
#endif
-#define RFORK_EA_ALLOCSIZE (128*1024) /* 128k */
+/* fallback for ad:ea on filesystems without fds for EAs, like old adouble:osx */
+#define ADEDOFF_FINDERI_OSX (AD_HEADER_LEN + ADEID_NUM_OSX*AD_ENTRY_LEN)
+#define ADEDOFF_RFORK_OSX (ADEDOFF_FINDERI_OSX + ADEDLEN_FINDERI)
+
+/* special fd value used to indicate an open fork file is a (not open) symlink */
+#define AD_SYMLINK -2
typedef uint32_t cnid_t;
} adf_lock_t;
struct ad_fd {
- int adf_fd; /* -1: invalid, -2: symlink */
+ int adf_fd; /* -1: invalid, AD_SYMLINK: symlink */
char *adf_syml;
int adf_flags;
- int adf_excl;
adf_lock_t *adf_lock;
int adf_refcount, adf_lockcount, adf_lockmax;
};
const char *(*ad_path)(const char *, int);
int (*ad_mkrf)(const char *);
int (*ad_rebuild_header)(struct adouble *);
- int (*ad_header_read)(struct adouble *, struct stat *);
+ int (*ad_header_read)(const char *, struct adouble *, const struct stat *);
int (*ad_header_upgrade)(struct adouble *, const char *);
};
uint32_t ad_version; /* Official adouble version number */
char ad_filler[16];
struct ad_entry ad_eid[ADEID_MAX];
+
struct ad_fd ad_data_fork; /* the data fork */
+
struct ad_fd ad_resource_fork; /* adouble:v2 -> the adouble file *
- * adouble:ea -> unused */
+ * adouble:ea -> the EA fd */
+
struct ad_fd *ad_rfp; /* adouble:v2 -> ad_resource_fork *
- * adouble:ea -> ad_data_fork */
+ * adouble:ea -> ad_resource_fork */
+
struct ad_fd *ad_mdp; /* adouble:v2 -> ad_resource_fork *
* adouble:ea -> ad_data_fork */
- int ad_flags; /* Our adouble version info (AD_VERSION*) */
+
+ int ad_vers; /* Our adouble version info (AD_VERSION*) */
int ad_adflags; /* ad_open flags adflags like ADFLAGS_DIR */
uint32_t ad_inited;
int ad_options;
int ad_refcount; /* multiple forks may open one adouble */
- void *ad_resforkbuf; /* buffer for AD_VERSION_EA ressource fork */
- size_t ad_resforkbufsize; /* size of ad_resforkbuf */
+ int ad_data_refcount;
+ int ad_meta_refcount;
+ int ad_reso_refcount;
off_t ad_rlen; /* ressource fork len with AFP 3.0 *
* the header parameter size is too small. */
- char *ad_m_name; /* mac name for open fork */
- int ad_m_namelen;
+ char *ad_name; /* mac name (maccharset or UTF8-MAC) */
struct adouble_fops *ad_ops;
uint16_t ad_open_forks; /* open forks (by others) */
char ad_data[AD_DATASZ_MAX];
#define ADFLAGS_RF (1<<1)
#define ADFLAGS_HF (1<<2)
#define ADFLAGS_DIR (1<<3)
-#define ADFLAGS_NOHF (1<<4) /* not an error if no ressource fork */
+#define ADFLAGS_NOHF (1<<4) /* not an error if no metadata fork */
+#define ADFLAGS_NORF (1<<5) /* not an error if no ressource fork */
#define ADFLAGS_CHECK_OF (1<<6) /* check for open forks from us and other afpd's */
-
-#define ADFLAGS_RDWR (1<<7) /* open read/write */
-#define ADFLAGS_RDONLY (1<<8) /* open read only */
-#define ADFLAGS_CREATE (1<<9) /* create file, open called with O_CREAT */
-#define ADFLAGS_EXCL (1<<10) /* exclusive open, open called with O_EXCL */
-#define ADFLAGS_TRUNC (1<<11) /* truncate, open called with O_TRUNC */
+#define ADFLAGS_SETSHRMD (1<<7) /* setting share mode must be done with excl fcnt lock,
+ which implies that the file must be openend rw.
+ If it can't be opened rw (eg EPERM or EROFS) it will
+ be opened ro and the fcntl locks will be shared, that
+ at least prevent other users who have rw access to the
+ file from placing excl locks. */
+#define ADFLAGS_RDWR (1<<8) /* open read/write */
+#define ADFLAGS_RDONLY (1<<9) /* open read only */
+#define ADFLAGS_CREATE (1<<10) /* create file, open called with O_CREAT */
+#define ADFLAGS_EXCL (1<<11) /* exclusive open, open called with O_EXCL */
+#define ADFLAGS_TRUNC (1<<12) /* truncate, open called with O_TRUNC */
#define ADVOL_NODEV (1 << 0)
-#define ADVOL_CACHE (1 << 1)
+#define ADVOL_RO (1 << 1)
#define ADVOL_UNIXPRIV (1 << 2) /* adouble unix priv */
#define ADVOL_INVDOTS (1 << 3) /* dot files (.DS_Store) are invisible) */
-#define ADVOL_NOADOUBLE (1 << 4)
+#define ADVOL_FOLLO_SYML (1 << 4)
/* lock flags */
#define ADLOCK_CLR (0)
#define BYTELOCK_MAX (AD_FILELOCK_BASE - 1)
+/* datafork and rsrcfork sharemode locks */
#define AD_FILELOCK_OPEN_WR (AD_FILELOCK_BASE + 0)
#define AD_FILELOCK_OPEN_RD (AD_FILELOCK_BASE + 1)
-#define AD_FILELOCK_DENY_WR (AD_FILELOCK_BASE + 2)
-#define AD_FILELOCK_DENY_RD (AD_FILELOCK_BASE + 3)
-#define AD_FILELOCK_OPEN_NONE (AD_FILELOCK_BASE + 4)
+#define AD_FILELOCK_RSRC_OPEN_WR (AD_FILELOCK_BASE + 2)
+#define AD_FILELOCK_RSRC_OPEN_RD (AD_FILELOCK_BASE + 3)
+
+#define AD_FILELOCK_DENY_WR (AD_FILELOCK_BASE + 4)
+#define AD_FILELOCK_DENY_RD (AD_FILELOCK_BASE + 5)
+#define AD_FILELOCK_RSRC_DENY_WR (AD_FILELOCK_BASE + 6)
+#define AD_FILELOCK_RSRC_DENY_RD (AD_FILELOCK_BASE + 7)
+
+#define AD_FILELOCK_OPEN_NONE (AD_FILELOCK_BASE + 8)
+#define AD_FILELOCK_RSRC_OPEN_NONE (AD_FILELOCK_BASE + 9)
/* time stuff. we overload the bits a little. */
#define AD_DATE_CREATE 0
#define ad_reso_fileno(ad) ((ad)->ad_rfp->adf_fd)
#define ad_meta_fileno(ad) ((ad)->ad_mdp->adf_fd)
+/* -1: not open, AD_SYMLINK (-2): it's a symlink */
+#define AD_DATA_OPEN(ad) (((ad)->ad_data_refcount) && (ad_data_fileno(ad) >= 0))
+#define AD_META_OPEN(ad) (((ad)->ad_meta_refcount) && (ad_meta_fileno(ad) >= 0))
+#define AD_RSRC_OPEN(ad) (((ad)->ad_reso_refcount) && (ad_reso_fileno(ad) >= 0))
+
#define ad_getversion(ad) ((ad)->ad_version)
#define ad_getentrylen(ad,eid) ((ad)->ad_eid[(eid)].ade_len)
#define ad_setentrylen(ad,eid,len) ((ad)->ad_eid[(eid)].ade_len = (len))
-#define ad_getentryoff(ad,eid) ((ad)->ad_eid[(eid)].ade_off)
+#define ad_setentryoff(ad,eid,off) ((ad)->ad_eid[(eid)].ade_off = (off))
#define ad_entry(ad,eid) ((caddr_t)(ad)->ad_data + (ad)->ad_eid[(eid)].ade_off)
#define ad_get_RF_flags(ad) ((ad)->ad_rfp->adf_flags)
#define ad_ref(ad) (ad)->ad_refcount++
#define ad_unref(ad) --((ad)->ad_refcount)
+#define ad_get_syml_opt(ad) (((ad)->ad_options & ADVOL_FOLLO_SYML) ? 0 : O_NOFOLLOW)
+
/* ad_flush.c */
-extern int ad_rebuild_adouble_header (struct adouble *);
-extern int ad_rebuild_sfm_header (struct adouble *);
+extern int ad_rebuild_adouble_header_v2(struct adouble *);
+extern int ad_rebuild_adouble_header_ea(struct adouble *);
extern int ad_copy_header (struct adouble *, struct adouble *);
extern int ad_flush (struct adouble *);
extern int ad_close (struct adouble *, int);
+extern int fsetrsrcea(struct adouble *ad, int fd, const char *eaname, const void *value, size_t size, int flags);
/* ad_lock.c */
extern int ad_testlock (struct adouble *adp, int eid, off_t off);
extern uint16_t ad_openforks(struct adouble *adp, uint16_t);
-extern int ad_excl_lock (struct adouble *adp, uint32_t eid);
-
-extern int ad_lock(struct adouble *, uint32_t eid, int type, off_t off, off_t len, int user);
-extern void ad_unlock(struct adouble *, int user);
-extern int ad_tmplock(struct adouble *, uint32_t eid, int type, off_t off, off_t len, int user);
+extern int ad_lock(struct adouble *, uint32_t eid, int type, off_t off, off_t len, int fork);
+extern void ad_unlock(struct adouble *, int fork, int unlckbrl);
+extern int ad_tmplock(struct adouble *, uint32_t eid, int type, off_t off, off_t len, int fork);
/* ad_open.c */
+extern off_t ad_getentryoff(const struct adouble *ad, int eid);
extern const char *adflags2logstr(int adflags);
extern int ad_setfuid (const uid_t );
extern uid_t ad_getfuid (void );
extern char *ad_dir (const char *);
extern const char *ad_path (const char *, int);
extern const char *ad_path_ea (const char *, int);
-extern int ad_mode (const char *, int);
-extern int ad_mkdir (const char *, int);
-extern void ad_init (struct adouble *, int, int );
+extern const char *ad_path_osx (const char *path, int adflags);
+extern int ad_mode (const char *, mode_t);
+extern int ad_mkdir (const char *, mode_t);
+struct vol;
+extern void ad_init (struct adouble *, const struct vol * restrict);
+extern void ad_init_old (struct adouble *ad, int flags, int options);
+extern int ad_init_offsets(struct adouble *ad);
extern int ad_open (struct adouble *ad, const char *path, int adflags, ...);
extern int ad_openat (struct adouble *, int dirfd, const char *path, int adflags, ...);
-extern int ad_refresh (struct adouble *);
+extern int ad_refresh (const char *path, struct adouble *);
extern int ad_stat (const char *, struct stat *);
extern int ad_metadata (const char *, int, struct adouble *);
extern int ad_metadataat (int, const char *, int, struct adouble *);
+extern mode_t ad_hf_mode(mode_t mode);
+extern int ad_valid_header_osx(const char *path);
+extern off_t ad_reso_size(const char *path, int adflags, struct adouble *ad);
-/* build a resource fork mode from the data fork mode:
- * remove X mode and extend header to RW if R or W (W if R for locking),
- */
-static inline mode_t ad_hf_mode (mode_t mode)
-{
- mode &= ~(S_IXUSR | S_IXGRP | S_IXOTH);
- /* fnctl lock need write access */
- if ((mode & S_IRUSR))
- mode |= S_IWUSR;
- if ((mode & S_IRGRP))
- mode |= S_IWGRP;
- if ((mode & S_IROTH))
- mode |= S_IWOTH;
-
- /* if write mode set add read mode */
- if ((mode & S_IWUSR))
- mode |= S_IRUSR;
- if ((mode & S_IWGRP))
- mode |= S_IRGRP;
- if ((mode & S_IWOTH))
- mode |= S_IROTH;
-
- return mode;
-}
+/* ad_conv.c */
+extern int ad_convert(const char *path, const struct stat *sp, const struct vol *vol, const char **newpath);
/* ad_read.c/ad_write.c */
extern int sys_ftruncate(int fd, off_t length);
extern ssize_t adf_pread(struct ad_fd *, void *, size_t, off_t);
extern ssize_t adf_pwrite(struct ad_fd *, const void *, size_t, off_t);
extern int ad_dtruncate(struct adouble *, off_t);
-extern int ad_rtruncate(struct adouble *, off_t);
+extern int ad_rtruncate(struct adouble *, const char *, off_t);
+extern int copy_fork(int eid, struct adouble *add, struct adouble *ads);
/* ad_size.c */
extern off_t ad_size (const struct adouble *, uint32_t );
extern int ad_getdate(const struct adouble *, unsigned int, uint32_t *);
/* ad_attr.c */
-extern int ad_setattr(const struct adouble *, uint16_t);
+extern int ad_setattr(const struct adouble *, const uint16_t);
extern int ad_getattr(const struct adouble *, uint16_t *);
extern int ad_setname(struct adouble *, const char *);
extern int ad_setid(struct adouble *, dev_t dev, ino_t ino, uint32_t, uint32_t, const void *);
#ifdef WITH_SENDFILE
extern int ad_readfile_init(const struct adouble *ad, int eid, off_t *off, int end);
#endif
+#ifdef WITH_RECVFILE
+extern ssize_t ad_recvfile(struct adouble *ad, int eid, int sock, off_t off, size_t len, int);
+#endif
#endif /* _ATALK_ADOUBLE_H */
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