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git.wh0rd.org - dump.git/blob - restore/restore.h
2 * Ported to Linux's Second Extended File System as part of the
3 * dump and restore backup suit
4 * Remy Card <card@Linux.EU.Org>, 1994-1997
5 * Stelian Pop <stelian@popies.net>, 1999-2000
6 * Stelian Pop <stelian@popies.net> - AlcĂ´ve <www.alcove.com>, 2000-2002
8 * $Id: restore.h,v 1.34 2007/02/22 20:12:50 stelian Exp $
12 * Copyright (c) 1983, 1993
13 * The Regents of the University of California. All rights reserved.
14 * (c) UNIX System Laboratories, Inc.
15 * All or some portions of this file are derived from material licensed
16 * to the University of California by American Telephone and Telegraph
17 * Co. or Unix System Laboratories, Inc. and are reproduced herein with
18 * the permission of UNIX System Laboratories, Inc.
20 * Redistribution and use in source and binary forms, with or without
21 * modification, are permitted provided that the following conditions
23 * 1. Redistributions of source code must retain the above copyright
24 * notice, this list of conditions and the following disclaimer.
25 * 2. Redistributions in binary form must reproduce the above copyright
26 * notice, this list of conditions and the following disclaimer in the
27 * documentation and/or other materials provided with the distribution.
28 * 3. Neither the name of the University nor the names of its contributors
29 * may be used to endorse or promote products derived from this software
30 * without specific prior written permission.
32 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
33 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
34 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
35 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
36 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
37 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
38 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
39 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
40 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
41 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
46 #include <protocols/dumprestore.h>
50 extern int aflag
; /* automatic volume increment */
51 extern char *Afile
; /* archive file */
52 extern int cvtflag
; /* convert from old to new tape format */
53 extern int bflag
; /* set input block size */
54 extern int dflag
; /* print out debugging info */
55 extern int hflag
; /* restore heirarchies */
56 extern int lflag
; /* assume remote filename is a regular file */
57 extern int Lflag
; /* compare errors limit */
58 extern int mflag
; /* restore by name instead of inode number */
59 extern int Mflag
; /* multi-volume restore */
60 extern int oflag
; /* do restore permissions without asking */
61 extern int Vflag
; /* multi-volume on a single device like CDROM */
62 extern int Nflag
; /* do not write the disk */
63 extern int uflag
; /* unlink symlink targets */
64 extern int vflag
; /* print out actions taken */
65 extern int yflag
; /* always try to recover from tape errors */
66 extern int zflag
; /* tape is in compressed format */
67 extern int ufs2flag
; /* tape is a FreeBSD UFS2 dump */
68 extern char* bot_script
; /* beginning of tape script */
72 extern char *host
; /* name of the remote host */
73 extern char *dumpmap
; /* map of inodes on this dump tape */
74 extern char *usedinomap
; /* map of inodes that are in use on this fs */
75 extern dump_ino_t maxino
; /* highest numbered inode in this file system */
76 extern long dumpnum
; /* location of the dump on this tape */
77 extern long volno
; /* current volume being read */
78 extern long ntrec
; /* number of TP_BSIZE records per tape block */
79 extern time_t dumptime
; /* time that this dump begins */
80 extern time_t dumpdate
; /* time that this dump was made */
81 extern char command
; /* opration being performed */
82 extern FILE *terminal
; /* file descriptor for the terminal input */
83 extern int pipein
; /* input is from a pipe */
84 extern char *tmpdir
; /* name of temp directory */
85 extern int oldinofmt
; /* reading tape with old format inodes */
86 extern int Bcvt
; /* need byte swapping on inodes and dirs */
87 extern int compare_ignore_not_found
;
88 /* used to compare incremental dumps, */
89 /* so messages about "not found" files */
91 extern int compare_errors
; /* did we encounter any compare errors? */
92 extern char filesys
[NAMELEN
];/* name of dumped filesystem */
93 extern dump_ino_t volinfo
[]; /* which inode on which volume archive info */
94 extern int wdfd
; /* original working directory */
95 extern int dirhash_size
; /* size of the directory hash table */
98 * Each file in the file system is described by one of these entries
101 char *e_name
; /* the current name of this entry */
102 u_char e_namlen
; /* length of this name */
103 char e_type
; /* type of this entry, see below */
104 short e_flags
; /* status flags, see below */
105 dump_ino_t e_ino
; /* inode number in previous file sys */
106 long e_index
; /* unique index (for dumpped table) */
107 struct entry
*e_parent
; /* pointer to parent directory (..) */
108 struct entry
*e_sibling
; /* next element in this directory (.) */
109 struct entry
*e_links
; /* hard links to this inode */
110 struct entry
**e_entries
; /* for directories, their entries */
111 struct entry
*e_next
; /* hash chain list */
114 #define LEAF 1 /* non-directory entry */
115 #define NODE 2 /* directory entry */
116 #define LINK 4 /* synthesized type, stripped by addentry */
118 #define EXTRACT 0x0001 /* entry is to be replaced from the tape */
119 #define NEW 0x0002 /* a new entry to be extracted */
120 #define KEEP 0x0004 /* entry is not to change */
121 #define REMOVED 0x0010 /* entry has been removed */
122 #define TMPNAME 0x0020 /* entry has been given a temporary name */
123 #define EXISTED 0x0040 /* directory already existed during extract */
126 * Constants associated with entry structs
130 #define TMPHDR "RSTTMP"
133 * The entry describes the next file available on the tape
136 char *name
; /* name of file */
137 dump_ino_t ino
; /* inumber of file */
138 #if defined(__linux__) || defined(sunos)
139 struct new_bsd_inode
*dip
; /* pointer to inode */
141 struct dinode
*dip
; /* pointer to inode */
143 char action
; /* action being taken on this file */
146 #define USING 1 /* extracting from the tape */
147 #define SKIP 2 /* skipping */
148 #define UNKNOWN 3 /* disposition or starting point is unknown */
151 * Definitions for library routines operating on directories.
153 typedef struct rstdirdesc RST_DIR
;
156 * Flags to setdirmodes.
163 #define TSTINO(ino, map) \
164 (map[(u_int)((ino) - 1) / NBBY] & (1 << ((u_int)((ino) - 1) % NBBY)))
165 #define SETINO(ino, map) \
166 map[(u_int)((ino) - 1) / NBBY] |= 1 << ((u_int)((ino) - 1) % NBBY)
168 #define Dprintf if (dflag) fprintf
169 #define Vprintf if (vflag) fprintf
175 #define QFA_MAGIC "495115637697"
176 #define QFA_VERSION "1.0"
177 extern FILE *gTapeposfp
;
178 extern char *gTapeposfile
;
179 extern char gTps
[255];
180 extern long gSeekstart
;
181 extern int tapeposflag
;
182 extern int gTapeposfd
;
183 extern int createtapeposflag
;
184 extern unsigned long qfadumpdate
;
185 extern long long curtapepos
;
193 #ifdef TRANSSELINUX /*GAN6May06 SELinux MLS */
194 extern int transselinuxflag
;
195 extern char *transselinuxarg
;
198 #define do_compare_error \
199 if (++compare_errors >= Lflag && Lflag) { \
200 printf("Compare errors limit reached, exiting...\n"); \
204 #define XATTR_MAXSIZE 4096