2 * SPDX-License-Identifier: BSD-3-Clause
4 * Copyright (c) 1983, 1993
5 * The Regents of the University of California. All rights reserved.
6 * (c) UNIX System Laboratories, Inc.
7 * All or some portions of this file are derived from material licensed
8 * to the University of California by American Telephone and Telegraph
9 * Co. or Unix System Laboratories, Inc. and are reproduced herein with
10 * the permission of UNIX System Laboratories, Inc.
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13 * modification, are permitted provided that the following conditions
15 * 1. Redistributions of source code must retain the above copyright
16 * notice, this list of conditions and the following disclaimer.
17 * 2. Redistributions in binary form must reproduce the above copyright
18 * notice, this list of conditions and the following disclaimer in the
19 * documentation and/or other materials provided with the distribution.
20 * 3. Neither the name of the University nor the names of its contributors
21 * may be used to endorse or promote products derived from this software
22 * without specific prior written permission.
24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
36 * @(#)restore.h 8.3 (Berkeley) 9/13/94
43 extern int bflag; /* set input block size */
44 extern int dflag; /* print out debugging info */
45 extern int Dflag; /* degraded mode - try hard to get stuff back */
46 extern int hflag; /* restore hierarchies */
47 extern int mflag; /* restore by name instead of inode number */
48 extern int Nflag; /* do not write the disk */
49 extern int uflag; /* unlink symlink targets */
50 extern int vflag; /* print out actions taken */
51 extern int yflag; /* always try to recover from tape errors */
55 extern char *dumpmap; /* map of inodes on this dump tape */
56 extern char *usedinomap; /* map of inodes that are in use on this fs */
57 extern ino_t maxino; /* highest numbered inode in this file system */
58 extern long dumpnum; /* location of the dump on this tape */
59 extern long volno; /* current volume being read */
60 extern long ntrec; /* number of TP_BSIZE records per tape block */
61 extern time_t dumptime; /* time that this dump begins */
62 extern time_t dumpdate; /* time that this dump was made */
63 extern char command; /* opration being performed */
64 extern FILE *terminal; /* file descriptor for the terminal input */
65 extern int Bcvt; /* need byte swapping on inodes and dirs */
66 extern int oldinofmt; /* reading tape with FreeBSD 1 format inodes */
69 * Each file in the file system is described by one of these entries
72 char *e_name; /* the current name of this entry */
73 u_char e_namlen; /* length of this name */
74 char e_type; /* type of this entry, see below */
75 short e_flags; /* status flags, see below */
76 ino_t e_ino; /* inode number in previous file sys */
77 long e_index; /* unique index (for dumpped table) */
78 struct entry *e_parent; /* pointer to parent directory (..) */
79 struct entry *e_sibling; /* next element in this directory (.) */
80 struct entry *e_links; /* hard links to this inode */
81 struct entry *e_entries; /* for directories, their entries */
82 struct entry *e_next; /* hash chain list */
85 #define LEAF 1 /* non-directory entry */
86 #define NODE 2 /* directory entry */
87 #define LINK 4 /* synthesized type, stripped by addentry */
89 #define EXTRACT 0x0001 /* entry is to be replaced from the tape */
90 #define NEW 0x0002 /* a new entry to be extracted */
91 #define KEEP 0x0004 /* entry is not to change */
92 #define REMOVED 0x0010 /* entry has been removed */
93 #define TMPNAME 0x0020 /* entry has been given a temporary name */
94 #define EXISTED 0x0040 /* directory already existed during extract */
97 * Constants associated with entry structs
101 #define TMPHDR "RSTTMP"
104 * The entry describes the next file available on the tape
106 extern struct context {
107 short action; /* action being taken on this file */
108 mode_t mode; /* mode of file */
109 ino_t ino; /* inumber of file */
110 uid_t uid; /* file owner */
111 gid_t gid; /* file group */
112 int file_flags; /* status flags (chflags) */
113 int rdev; /* device number of file */
114 time_t atime_sec; /* access time seconds */
115 time_t mtime_sec; /* modified time seconds */
116 time_t birthtime_sec; /* creation time seconds */
117 int atime_nsec; /* access time nanoseconds */
118 int mtime_nsec; /* modified time nanoseconds */
119 int birthtime_nsec; /* creation time nanoseconds */
120 int extsize; /* size of extended attribute data */
121 off_t size; /* size of file */
122 char *name; /* name of file */
125 #define USING 1 /* extracting from the tape */
126 #define SKIP 2 /* skipping */
127 #define UNKNOWN 3 /* disposition or starting point is unknown */
130 * Definitions for library routines operating on directories.
132 typedef struct rstdirdesc RST_DIR;
135 * Flags to setdirmodes.
142 #define TSTINO(ino, map) \
143 (map[(u_int)((ino) - 1) / CHAR_BIT] & \
144 (1 << ((u_int)((ino) - 1) % CHAR_BIT)))
145 #define SETINO(ino, map) \
146 map[(u_int)((ino) - 1) / CHAR_BIT] |= \
147 1 << ((u_int)((ino) - 1) % CHAR_BIT)
149 #define dprintf if (dflag) fprintf
150 #define vprintf if (vflag) fprintf
155 #define NFS_DR_NEWINODEFMT 0x2 /* Tape uses 4.4 BSD inode format */