/*
- * $Id: adouble.h,v 1.55 2010-03-30 12:55:26 franklahm Exp $
* Copyright (c) 1990,1991 Regents of The University of Michigan.
* All Rights Reserved.
*
#include <config.h>
#endif
-/* -------------------
- * need pread() and pwrite()
- */
-#ifdef HAVE_PREAD
-
-#ifndef HAVE_PWRITE
-#undef HAVE_PREAD
-#endif
-
-#endif
-
-#ifdef HAVE_PWRITE
-#ifndef HAVE_PREAD
-#undef HAVE_PWRITE
-#endif
-#endif
-
-/*
- Still have to figure out which platforms really
- need _XOPEN_SOURCE defined for pread.
-*/
-#if defined(HAVE_PREAD) && !defined(SOLARIS) && !defined(__OpenBSD__) && !defined(__NetBSD__) && !defined(__FreeBSD__) && !defined(TRU64)
-#ifndef _XOPEN_SOURCE
-#define _XOPEN_SOURCE 500
-#endif
-#endif
-
+#include <inttypes.h>
#include <sys/types.h>
#include <sys/stat.h>
-
-#ifdef HAVE_UNISTD_H
-#undef __USE_MISC
-#define __USE_MISC
#include <unistd.h>
-#endif
-
-#include <sys/cdefs.h>
-
-#ifdef HAVE_FCNTL_H
#include <fcntl.h>
-#endif
- #ifdef USE_MMAPPED_HEADERS
#include <sys/mman.h>
- #endif
-#ifdef HAVE_SYS_TIME_H
#include <sys/time.h>
-#endif
-#include <netatalk/endian.h>
-/* version info */
-#define AD_VERSION1 0x00010000
-#define SFM_VERSION AD_VERSION1
+#include <atalk/bstrlib.h>
+#include <atalk/locking.h>
+/* version info */
#define AD_VERSION2 0x00020000
-#define AD_VERSION2_OSX 0x00020001
-/*
- #define AD_VERSION1_ADS 0x00010002
-*/
-#define AD_VERSION1_SFM 0x00010003
+#define AD_VERSION_EA 0x00020002
+
+/* default */
#define AD_VERSION AD_VERSION2
/*
*/
#define ADEID_DFORK 1
#define ADEID_RFORK 2
-#define ADEID_NAME 3 /* Note: starting with Netatalk 2.1 we do NOT alway set the name */
+#define ADEID_NAME 3
#define ADEID_COMMENT 4
#define ADEID_ICONBW 5
#define ADEID_ICONCOL 6
#define ADEID_AFPFILEI 14 /* where the rest of the FILEI info goes */
#define ADEID_DID 15
-#if AD_VERSION == AD_VERSION1
-#define ADEID_MAX 16
-#else
/* netatalk private note fileid reused DID */
#define ADEID_PRIVDEV 16
#define ADEID_PRIVINO 17
#define ADEID_PRIVSYN 18 /* in synch with database */
#define ADEID_PRIVID 19
-#define ADEID_SFMRESERVE1 20
-#define ADEID_SFMRESERVE2 21
+#define ADEID_MAX (ADEID_PRIVID + 1)
+/* These are the real ids for these entries, as stored in the adouble file */
#define AD_DEV 0x80444556
#define AD_INO 0x80494E4F
#define AD_SYN 0x8053594E
#define AD_ID 0x8053567E
-#define ADEID_MAX 22
-#endif
/* magic */
#define AD_APPLESINGLE_MAGIC 0x00051600
#define AD_APPLEDOUBLE_MAGIC 0x00051607
#define AD_MAGIC AD_APPLEDOUBLE_MAGIC
-#define SFM_MAGIC 0x00504641
/* sizes of relevant entry bits */
#define ADEDLEN_MAGIC 4
#define ADEDLEN_VERSION 4
#define ADEDLEN_FILLER 16
#define ADEDLEN_NENTRIES 2
-
-/* 26 */
-#define AD_HEADER_LEN (ADEDLEN_MAGIC + ADEDLEN_VERSION + \
- ADEDLEN_FILLER + ADEDLEN_NENTRIES)
+#define AD_HEADER_LEN (ADEDLEN_MAGIC + ADEDLEN_VERSION + ADEDLEN_FILLER + ADEDLEN_NENTRIES)
#define AD_ENTRY_LEN 12 /* size of a single entry header */
-/* v1 field widths */
-#define ADEDLEN_NAME 255
-#define ADEDLEN_COMMENT 200
-#define ADEDLEN_FILEI 16
-#define ADEDLEN_FINDERI 32
-
-/* v2 field widths */
+/* field widths */
+#define ADEDLEN_NAME 255
+#define ADEDLEN_COMMENT 200
+#define ADEDLEN_FILEI 16
+#define ADEDLEN_FINDERI 32
#define ADEDLEN_FILEDATESI 16
#define ADEDLEN_SHORTNAME 12 /* length up to 8.3 */
#define ADEDLEN_AFPFILEI 4
#define ADEDLEN_PRIVSYN 8
#define ADEDLEN_PRIVID 4
-#define ADEID_NUM_V1 5
#define ADEID_NUM_V2 13
+#define ADEID_NUM_EA 5
-// #define ADEID_NUM_SFM 5
-/* sizeof SFM meta data */
-#define AD_SFM_LEN 60
-
-/* 589 */
-#define AD_DATASZ1 (AD_HEADER_LEN + ADEDLEN_NAME + ADEDLEN_COMMENT + ADEDLEN_FILEI + ADEDLEN_FINDERI + \
- (ADEID_NUM_V1 * AD_ENTRY_LEN))
-
-#if AD_DATASZ1 != 589
-#error bad size for AD_DATASZ1
+#define AD_DATASZ2 (AD_HEADER_LEN + ADEDLEN_NAME + ADEDLEN_COMMENT + ADEDLEN_FILEI + \
+ ADEDLEN_FINDERI + ADEDLEN_DID + ADEDLEN_AFPFILEI + ADEDLEN_SHORTNAME + \
+ ADEDLEN_PRODOSFILEI + ADEDLEN_PRIVDEV + ADEDLEN_PRIVINO + \
+ ADEDLEN_PRIVSYN + ADEDLEN_PRIVID + (ADEID_NUM_V2 * AD_ENTRY_LEN))
+#if AD_DATASZ2 != 741
+#error bad size for AD_DATASZ2
#endif
-#define AD_NEWSZ2 (ADEDLEN_DID + ADEDLEN_AFPFILEI + ADEDLEN_SHORTNAME + ADEDLEN_PRODOSFILEI \
- + ADEDLEN_PRIVDEV + ADEDLEN_PRIVINO + ADEDLEN_PRIVSYN + ADEDLEN_PRIVID)
-
-/* 725 */
-#define AD_DATASZ2 (AD_DATASZ1 + AD_NEWSZ2 + ((ADEID_NUM_V2 - ADEID_NUM_V1) * AD_ENTRY_LEN))
+#define AD_DATASZ_EA (AD_HEADER_LEN + (ADEID_NUM_EA * AD_ENTRY_LEN) + ADEDLEN_FINDERI + \
+ ADEDLEN_COMMENT + ADEDLEN_FILEDATESI + ADEDLEN_AFPFILEI + ADEDLEN_PRIVID)
-#if AD_DATASZ2 != 741
-#error bad size for AD_DATASZ2
+#if AD_DATASZ_EA != 342
+#error bad size for AD_DATASZ_EA
#endif
#define AD_DATASZ_MAX 1024
-#if AD_VERSION == AD_VERSION1
-#define AD_DATASZ AD_DATASZ1 /* hold enough for the entries */
-#elif AD_VERSION == AD_VERSION2
+
+#if AD_VERSION == AD_VERSION2
#define AD_DATASZ AD_DATASZ2
+#elif AD_VERSION == AD_VERSION_EA
+#define AD_DATASZ AD_DATASZ_EA
#endif
-/*
- * some legacy defines from netatalk-990130
- * (to keep from breaking certain packages)
- *
- */
-
-#define ADEDOFF_RFORK 589
-#define ADEDOFF_NAME 86
-#define ADEDOFF_COMMENT 341
-#define ADEDOFF_FINDERI 557
-#ifndef ADEDOFF_FILEI
-#define ADEDOFF_FILEI 541
-#endif
+#define RFORK_EA_ALLOCSIZE (128*1024) /* 128k */
typedef u_int32_t cnid_t;
-/*
- * The header of the AppleDouble Header File looks like this:
- *
- * NAME SIZE
- * ==== ====
- * Magic 4
- * Version 4
- * Home File System 16 (this becomes filler in ad v2)
- * Number of Entries 2
- * Entry Descriptors for each entry:
- * Entry ID 4
- * Offset 4
- * Length 4
- */
-
struct ad_entry {
- u_int32_t ade_off;
- u_int32_t ade_len;
+ uint32_t ade_off;
+ uint32_t ade_len;
};
typedef struct adf_lock_t {
struct ad_fd {
int adf_fd; /* -1: invalid, -2: symlink */
-
#ifndef HAVE_PREAD
off_t adf_off;
#endif
-
char *adf_syml;
int adf_flags;
int adf_excl;
+#if 0
adf_lock_t *adf_lock;
int adf_refcount, adf_lockcount, adf_lockmax;
+#endif
};
/* some header protection */
#define AD_INITED 0xad494e54 /* ad"INT" */
-struct adouble_fops;
-
-struct adouble {
- u_int32_t ad_magic;
- u_int32_t ad_version;
- char ad_filler[ 16 ];
- struct ad_entry ad_eid[ ADEID_MAX ];
- struct ad_fd ad_data_fork, ad_resource_fork, ad_metadata_fork;
- struct ad_fd *ad_md; /* either ad_resource or ad_metadata */
-
- int ad_flags; /* This really stores version info too (AD_VERSION*) */
- int ad_adflags; /* ad_open flags adflags like ADFLAGS_DIR */
- unsigned int ad_inited;
- int ad_options;
- int ad_fileordir;
- int ad_refcount; /* used in afpd/ofork.c */
- 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;
- struct adouble_fops *ad_ops;
- u_int16_t ad_open_forks; /* open forks (by others) */
+#define AD_CLOSED 0xadc10ced
-#ifdef USE_MMAPPED_HEADERS
- char *ad_data;
-#else
- char ad_data[AD_DATASZ_MAX];
-#endif
-};
+struct adouble;
struct adouble_fops {
- char *(*ad_path)(const char *, int);
- int (*ad_mkrf)(char *);
+ const char *(*ad_path)(const char *, int);
+ int (*ad_mkrf)(const char *);
int (*ad_rebuild_header)(struct adouble *);
- int (*ad_check_header)(struct adouble *, struct stat *);
int (*ad_header_read)(struct adouble *, struct stat *);
- int (*ad_header_upgrade)(struct adouble *, char *);
+ int (*ad_header_upgrade)(struct adouble *, const char *);
+};
+
+struct adouble {
+ u_int32_t ad_magic; /* Official adouble magic */
+ u_int32_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 -> the rfork EA */
+ struct ad_fd ad_metadata_fork; /* adouble:v2 -> unused *
+ * adouble:ea -> the metadata EA */
+ struct ad_fd *ad_md; /* either ad_resource or ad_metadata */
+ int ad_flags; /* 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 */
+ 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;
+ bstring ad_fullpath; /* fullpath of file, adouble:ea need this */
+ struct adouble_fops *ad_ops;
+ uint16_t ad_open_forks; /* open forks (by others) */
+ char ad_data[AD_DATASZ_MAX];
};
#define ADFLAGS_DF (1<<0)
-#define ADFLAGS_HF (1<<1)
-#define ADFLAGS_DIR (1<<2)
-/*
-#define ADFLAGS_NOADOUBLE (1<<3)
-*/
-#define ADFLAGS_V1COMPAT (1<<4)
-#define ADFLAGS_NOHF (1<<5) /* not an error if no ressource fork */
-#define ADFLAGS_RDONLY (1<<6) /* don't try readwrite */
-#define ADFLAGS_OPENFORKS (1<<7) /* check for open fork in ad_metadata function */
-#define ADFLAGS_RF (1<<8)
-#define ADFLAGS_MD ADFLAGS_HF /* (1<<9) */
-#define ADFLAGS_CREATE (1<<9)
-
-/* adouble v2 cnid cache */
+#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_CHECK_OF (1<<6) /* check for open forks from us and other afpd's */
+
#define ADVOL_NODEV (1 << 0)
#define ADVOL_CACHE (1 << 1)
#define ADVOL_UNIXPRIV (1 << 2) /* adouble unix priv */
#define ad_getentryoff(ad,eid) ((ad)->ad_eid[(eid)].ade_off)
#define ad_entry(ad,eid) ((caddr_t)(ad)->ad_data + (ad)->ad_eid[(eid)].ade_off)
-#define ad_get_HF_flags(ad) ((ad)->ad_resource_fork.adf_flags)
+#define ad_get_RF_flags(ad) ((ad)->ad_resource_fork.adf_flags)
#define ad_get_MD_flags(ad) ((ad)->ad_md->adf_flags)
+/* Refcounting open forks using one struct adouble */
+#define ad_ref(ad) (ad)->ad_refcount++
+#define ad_unref(ad) --((ad)->ad_refcount)
+
/* ad_flush.c */
extern int ad_rebuild_adouble_header (struct adouble *);
extern int ad_rebuild_sfm_header (struct adouble *);
extern int ad_close (struct adouble *, int);
/* ad_lock.c */
-extern int ad_fcntl_lock (struct adouble *, const u_int32_t /*eid*/,
- const int /*type*/, const off_t /*offset*/,
- const off_t /*len*/, const int /*user*/);
-extern void ad_fcntl_unlock (struct adouble *, const int /*user*/);
-extern int ad_fcntl_tmplock (struct adouble *, const u_int32_t /*eid*/,
- const int /*type*/, const off_t /*offset*/,
- const off_t /*len*/, const int /*user*/);
-extern int ad_testlock (struct adouble * /*adp*/, int /*eid*/, off_t /*off*/);
-
-extern u_int16_t ad_openforks (struct adouble * /*adp*/, u_int16_t);
-extern int ad_excl_lock (struct adouble * /*adp*/, const u_int32_t /*eid*/);
-
-#define ad_lock ad_fcntl_lock
-#define ad_tmplock ad_fcntl_tmplock
-#define ad_unlock ad_fcntl_unlock
+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);
/* ad_open.c */
+extern const char *oflags2logstr(int oflags);
+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 char *ad_path (const char *, int);
-extern char *ad_path_osx (const char *, int);
-extern char *ad_path_ads (const char *, int);
-extern char *ad_path_sfm (const char *, int);
+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 int ad_open (const char *, int, int, int, struct adouble *);
-extern int ad_openat (int dirfd, const char *, int, int, int, struct adouble *);
+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_stat (const char *, struct stat *);
extern int ad_metadata (const char *, int, struct adouble *);
extern int ad_metadataat (int, const char *, int, struct adouble *);
+#if 0
#define ad_open_metadata(name, flags, mode, adp)\
- ad_open(name, ADFLAGS_MD|(flags), O_RDWR |(mode), 0666, (adp))
+ ad_open(name, ADFLAGS_HF | (flags), O_RDWR |(mode), 0666, (adp))
+#endif
-#define ad_close_metadata(adp) ad_close( (adp), ADFLAGS_MD)
+#define ad_close_metadata(adp) ad_close( (adp), ADFLAGS_HF)
/* 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),
return mode;
}
-/* ad_ea.c */
-ssize_t sys_getxattr (const char *path, const char *name, void *value, size_t size);
-ssize_t sys_lgetxattr (const char *path, const char *name, void *value, size_t size);
-ssize_t sys_fgetxattr (int filedes, const char *name, void *value, size_t size);
-ssize_t sys_listxattr (const char *path, char *list, size_t size);
-ssize_t sys_llistxattr (const char *path, char *list, size_t size);
-ssize_t sys_flistxattr (int filedes, char *list, size_t size);
-int sys_removexattr (const char *path, const char *name);
-int sys_lremovexattr (const char *path, const char *name);
-int sys_fremovexattr (int filedes, const char *name);
-int sys_setxattr (const char *path, const char *name, const void *value, size_t size, int flags);
-int sys_lsetxattr (const char *path, const char *name, const void *value, size_t size, int flags);
-int sys_fsetxattr (int filedes, const char *name, const void *value, size_t size, int flags);
-int sys_copyxattr (const char *src, const char *dst);
-
/* ad_read.c/ad_write.c */
extern int sys_ftruncate(int fd, off_t length);
-
-extern ssize_t ad_read (struct adouble *, const u_int32_t,
- const off_t, char *, const size_t);
-extern ssize_t ad_pread (struct ad_fd *, void *, size_t, off_t);
-extern ssize_t ad_write (struct adouble *, const u_int32_t, off_t,
- const int, const char *, const size_t);
-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 *, const off_t);
-extern int ad_rtruncate (struct adouble *, const off_t);
+extern ssize_t ad_read(struct adouble *, uint32_t, off_t, char *, size_t);
+extern ssize_t ad_pread(struct ad_fd *, void *, size_t, off_t);
+extern ssize_t ad_write(struct adouble *, uint32_t, off_t, int, const char *, size_t);
+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);
/* ad_size.c */
-extern off_t ad_size (const struct adouble *, const u_int32_t );
+extern off_t ad_size (const struct adouble *, uint32_t );
/* ad_mmap.c */
-extern void *ad_mmapread (struct adouble *, const u_int32_t,
- const off_t, const size_t);
-extern void *ad_mmapwrite (struct adouble *, const u_int32_t,
- const off_t, const int, const size_t);
+extern void *ad_mmapread(struct adouble *, uint32_t, off_t, size_t);
+extern void *ad_mmapwrite(struct adouble *, uint32_t, off_t, int, size_t);
#define ad_munmap(buf, len) (munmap((buf), (len)))
/* ad_date.c */
-extern int ad_setdate (struct adouble *, unsigned int, u_int32_t);
-extern int ad_getdate (const struct adouble *, unsigned int, u_int32_t *);
+extern int ad_setdate(struct adouble *, unsigned int, uint32_t);
+extern int ad_getdate(const struct adouble *, unsigned int, uint32_t *);
/* ad_attr.c */
-extern int ad_setattr (const struct adouble *, const u_int16_t);
-extern int ad_getattr (const struct adouble *, u_int16_t *);
-
-/* Note: starting with Netatalk 2.1 we do NOT alway set the name */
-extern int ad_setname (struct adouble *, const char *);
-
-#if AD_VERSION == AD_VERSION2
-extern int ad_setid (struct adouble *, const dev_t dev,const ino_t ino, const u_int32_t, const u_int32_t, const void *);
-extern u_int32_t ad_getid (struct adouble *, const dev_t, const ino_t, const cnid_t, const void *);
-extern u_int32_t ad_forcegetid (struct adouble *adp);
-#else
-#define ad_setid(a, b, c)
-#endif
+extern int ad_setattr(const struct adouble *, 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 *);
+extern u_int32_t ad_getid(struct adouble *, dev_t, ino_t, cnid_t, const void *);
+extern u_int32_t ad_forcegetid(struct adouble *adp);
#ifdef WITH_SENDFILE
-extern int ad_readfile_init(const struct adouble *ad,
- const int eid, off_t *off,
- const int end);
+extern int ad_readfile_init(const struct adouble *ad, int eid, off_t *off, int end);
#endif
#if 0
#ifdef HAVE_SENDFILE_WRITE
-extern ssize_t ad_writefile (struct adouble *, const int,
- const int, off_t, const int, const size_t);
+extern ssize_t ad_writefile(struct adouble *, int, int, off_t, int, size_t);
#endif /* HAVE_SENDFILE_WRITE */
#endif /* 0 */
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