2 * $Id: directory.h,v 1.21 2008-08-31 13:25:58 didg Exp $
4 * Copyright (c) 1990,1991 Regents of The University of Michigan.
7 * Permission to use, copy, modify, and distribute this software and
8 * its documentation for any purpose and without fee is hereby granted,
9 * provided that the above copyright notice appears in all copies and
10 * that both that copyright notice and this permission notice appear
11 * in supporting documentation, and that the name of The University
12 * of Michigan not be used in advertising or publicity pertaining to
13 * distribution of the software without specific, written prior
14 * permission. This software is supplied as is without expressed or
15 * implied warranties of any kind.
17 * Research Systems Unix Group
18 * The University of Michigan
20 * 535 W. William Street
23 * netatalk@itd.umich.edu
26 #ifndef AFPD_DIRECTORY_H
27 #define AFPD_DIRECTORY_H 1
29 #include <sys/cdefs.h>
30 #include <sys/types.h>
31 /*#include <sys/stat.h>*/ /* including it here causes some confusion */
32 #include <netatalk/endian.h>
35 /* sys/types.h usually snarfs in major/minor macros. if they don't
38 #include <sys/sysmacros.h>
44 /* the did tree is now a red-black tree while the parent/child
45 * tree is a circular doubly-linked list. how exciting. */
47 struct dir *d_left, *d_right, *d_back; /* for red-black tree */
49 struct dir *d_parent, *d_child; /* parent-child */
50 struct dir *d_prev, *d_next; /* siblings */
51 void *d_ofork; /* oforks using this directory. */
55 time_t ctime; /* inode ctime */
56 u_int32_t offcnt; /* offspring count */
58 char *d_m_name; /* mac name */
59 char *d_u_name; /* unix name */
60 ucs2_t *d_m_name_ucs2; /* mac name as UCS2 */
64 int m_type; /* mac name type (long name, unicode */
65 char *m_name; /* mac name */
66 char *u_name; /* unix name */
67 cnid_t id; /* file id (only for getmetadata) */
68 struct dir *d_dir; /* */
69 int st_valid; /* does st_errno and st set */
75 static __inline__ int path_isadir(struct path *o_path)
77 return o_path->d_dir != NULL;
79 return o_path->m_name == '\0' || /* we are in a it */
80 !o_path->st_valid || /* in cache but we can't chdir in it */
81 (!o_path->st_errno && S_ISDIR(o_path->st.st_mode)); /* not in cache an can't chdir */
85 extern int path_isadir(struct path *o_path);
88 #define DIRTREE_COLOR_RED 0
89 #define DIRTREE_COLOR_BLACK 1
91 /* setgid directories */
96 # define DIRBITS S_ISGID
100 #define DIRF_FSMASK (3<<0)
101 #define DIRF_NOFS (0<<0)
102 #define DIRF_AFS (1<<0)
103 #define DIRF_UFS (2<<0)
105 #define DIRF_OFFCNT (1<<4) /* offsprings count is valid */
106 #define DIRF_CNID (1<<5) /* renumerate id */
109 #define AFPDIR_READ (1<<0)
112 #define DIRPBIT_ATTR 0
113 #define DIRPBIT_PDID 1
114 #define DIRPBIT_CDATE 2
115 #define DIRPBIT_MDATE 3
116 #define DIRPBIT_BDATE 4
117 #define DIRPBIT_FINFO 5
118 #define DIRPBIT_LNAME 6
119 #define DIRPBIT_SNAME 7
120 #define DIRPBIT_DID 8
121 #define DIRPBIT_OFFCNT 9
122 #define DIRPBIT_UID 10
123 #define DIRPBIT_GID 11
124 #define DIRPBIT_ACCESS 12
125 #define DIRPBIT_PDINFO 13 /* ProDOS Info */
126 #define DIRPBIT_UNIXPR 15
128 /* directory attribute bits (see file.h for other bits) */
129 #define ATTRBIT_EXPFOLDER (1 << 1) /* shared point */
130 #define ATTRBIT_MOUNTED (1 << 3) /* mounted share point by non-admin */
131 #define ATTRBIT_INEXPFOLDER (1 << 4) /* folder in a shared area */
133 #define FILDIRBIT_ISDIR (1 << 7) /* is a directory */
134 #define FILDIRBIT_ISFILE (0) /* is a file */
136 /* reserved directory id's */
137 #define DIRDID_ROOT_PARENT htonl(1) /* parent directory of root */
138 #define DIRDID_ROOT htonl(2) /* root directory */
140 /* file/directory ids. what a mess. we scramble things in a vain attempt
141 * to get something meaningful */
145 #define CNID_XOR(a) (((a) >> 16) ^ (a))
146 #define CNID_DEV(a) ((((CNID_XOR(major((a)->st_dev)) & 0xf) << 3) | \
147 (CNID_XOR(minor((a)->st_dev)) & 0x7)) << 24)
148 #define CNID_INODE(a) (((a)->st_ino ^ (((a)->st_ino & 0xff000000) >> 8)) \
150 #define CNID_FILE(a) (((a) & 0x1) << 31)
151 #define CNID(a,b) (CNID_DEV(a) | CNID_INODE(a) | CNID_FILE(b))
154 #define CNID(a,b) ((a)->st_ino & 0xffffffff)
157 #define CNID(a,b) (((a)->st_ino & 0x7fffffff) | CNID_FILE(b))
168 #define AR_USEARCH (1<<0)
169 #define AR_UREAD (1<<1)
170 #define AR_UWRITE (1<<2)
171 #define AR_UOWN (1<<7)
173 extern struct dir *dirnew __P((const char *, const char *));
174 extern void dirfreename __P((struct dir *));
175 extern void dirfree __P((struct dir *));
176 extern struct dir *dirsearch __P((const struct vol *, u_int32_t));
177 extern struct dir *dirlookup __P((const struct vol *, u_int32_t));
178 extern struct dir *dirsearch_byname __P((const struct vol *, struct dir *,char *));
180 extern struct dir *adddir __P((struct vol *, struct dir *,
183 extern int movecwd __P((const struct vol *, struct dir *));
184 extern int deletecurdir __P((const struct vol *));
185 extern struct path *cname __P((const struct vol *, struct dir *,
187 extern mode_t mtoumode __P((struct maccess *));
188 extern void utommode __P((struct stat *, struct maccess *));
189 extern int getdirparams __P((const struct vol *, u_int16_t, struct path *,
190 struct dir *, char *, int *));
191 extern int setdirparams __P((const struct vol *, struct path *, u_int16_t, char *));
192 extern int renamedir __P((const struct vol *, char *, char *, struct dir *,
193 struct dir *, char *));
194 extern int path_error __P((struct path *, int error));
196 extern void setdiroffcnt __P((struct dir *dir, struct stat *st, u_int32_t count));
197 extern int dirreenumerate __P((struct dir *dir, struct stat *st));
199 typedef int (*dir_loop)(struct dirent *, char *, void *);
201 extern int for_each_dirent __P((const struct vol *, char *, dir_loop , void *));
203 extern int check_access __P((char *name , int mode));
204 extern int file_access __P((struct path *path, int mode));
206 extern int netatalk_rmdir __P((const char *name));
207 extern int netatalk_unlink __P((const char *name));
209 extern hash_t *dirhash __P((void));
210 /* from enumerate.c */
211 extern char *check_dirent __P((const struct vol *, char *));
214 extern int afp_createdir __P((AFPObj *, char *, int, char *, int *));
215 extern int afp_opendir __P((AFPObj *, char *, int, char *, int *));
216 extern int afp_setdirparams __P((AFPObj *, char *, int, char *, int *));
217 extern int afp_closedir __P((AFPObj *, char *, int, char *, int *));
218 extern int afp_mapid __P((AFPObj *, char *, int, char *, int *));
219 extern int afp_mapname __P((AFPObj *, char *, int, char *, int *));
220 extern int afp_syncdir __P((AFPObj *, char *, int, char *, int *));
222 /* from enumerate.c */
223 extern int afp_enumerate __P((AFPObj *, char *, unsigned int, char *, unsigned int *));
224 extern int afp_enumerate_ext __P((AFPObj *, char *, unsigned int, char *, unsigned int *));
225 extern int afp_enumerate_ext2 __P((AFPObj *, char *, unsigned int, char *, unsigned int *));
227 /* from catsearch.c */
228 extern int afp_catsearch __P((AFPObj *, char *, int, char *, int *));
229 extern int afp_catsearch_ext __P((AFPObj *, char *, int, char *, int *));