1*9be7043fSmortimer /* $OpenBSD: restore.h,v 1.10 2021/01/21 00:16:36 mortimer Exp $ */ 2a916033eSmillert /* $NetBSD: restore.h,v 1.8 1997/07/01 05:37:54 lukem Exp $ */ 3df930be7Sderaadt 4df930be7Sderaadt /* 5df930be7Sderaadt * Copyright (c) 1983, 1993 6df930be7Sderaadt * The Regents of the University of California. All rights reserved. 7df930be7Sderaadt * (c) UNIX System Laboratories, Inc. 8df930be7Sderaadt * All or some portions of this file are derived from material licensed 9df930be7Sderaadt * to the University of California by American Telephone and Telegraph 10df930be7Sderaadt * Co. or Unix System Laboratories, Inc. and are reproduced herein with 11df930be7Sderaadt * the permission of UNIX System Laboratories, Inc. 12df930be7Sderaadt * 13df930be7Sderaadt * Redistribution and use in source and binary forms, with or without 14df930be7Sderaadt * modification, are permitted provided that the following conditions 15df930be7Sderaadt * are met: 16df930be7Sderaadt * 1. Redistributions of source code must retain the above copyright 17df930be7Sderaadt * notice, this list of conditions and the following disclaimer. 18df930be7Sderaadt * 2. Redistributions in binary form must reproduce the above copyright 19df930be7Sderaadt * notice, this list of conditions and the following disclaimer in the 20df930be7Sderaadt * documentation and/or other materials provided with the distribution. 211ef0d710Smillert * 3. Neither the name of the University nor the names of its contributors 22df930be7Sderaadt * may be used to endorse or promote products derived from this software 23df930be7Sderaadt * without specific prior written permission. 24df930be7Sderaadt * 25df930be7Sderaadt * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 26df930be7Sderaadt * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 27df930be7Sderaadt * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 28df930be7Sderaadt * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 29df930be7Sderaadt * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 30df930be7Sderaadt * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 31df930be7Sderaadt * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 32df930be7Sderaadt * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 33df930be7Sderaadt * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 34df930be7Sderaadt * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 35df930be7Sderaadt * SUCH DAMAGE. 36df930be7Sderaadt * 37df930be7Sderaadt * @(#)restore.h 8.3 (Berkeley) 9/13/94 38df930be7Sderaadt */ 39df930be7Sderaadt 40df930be7Sderaadt /* 41df930be7Sderaadt * Flags 42df930be7Sderaadt */ 43df930be7Sderaadt extern int cvtflag; /* convert from old to new tape format */ 44df930be7Sderaadt extern int bflag; /* set input block size */ 45df930be7Sderaadt extern int dflag; /* print out debugging info */ 46df930be7Sderaadt extern int hflag; /* restore heirarchies */ 47df930be7Sderaadt extern int mflag; /* restore by name instead of inode number */ 48df930be7Sderaadt extern int Nflag; /* do not write the disk */ 49df930be7Sderaadt extern int vflag; /* print out actions taken */ 50df930be7Sderaadt extern int yflag; /* always try to recover from tape errors */ 51df930be7Sderaadt /* 52df930be7Sderaadt * Global variables 53df930be7Sderaadt */ 54df930be7Sderaadt extern char *dumpmap; /* map of inodes on this dump tape */ 55df930be7Sderaadt extern char *usedinomap; /* map of inodes that are in use on this fs */ 56df930be7Sderaadt extern ino_t maxino; /* highest numbered inode in this file system */ 57df930be7Sderaadt extern long dumpnum; /* location of the dump on this tape */ 58df930be7Sderaadt extern long volno; /* current volume being read */ 59df930be7Sderaadt extern long ntrec; /* number of TP_BSIZE records per tape block */ 60df930be7Sderaadt extern time_t dumptime; /* time that this dump begins */ 61df930be7Sderaadt extern time_t dumpdate; /* time that this dump was made */ 62a34540b3Smiod extern char command; /* operation being performed */ 63df930be7Sderaadt extern FILE *terminal; /* file descriptor for the terminal input */ 64a916033eSmillert extern char *tmpdir; /* where to store temporary files */ 65df930be7Sderaadt extern int oldinofmt; /* reading tape with old format inodes */ 66df930be7Sderaadt extern int Bcvt; /* need byte swapping on inodes and dirs */ 67a916033eSmillert extern char *__progname; /* from crt0.o */ 68df930be7Sderaadt 69df930be7Sderaadt /* 70df930be7Sderaadt * Each file in the file system is described by one of these entries 71df930be7Sderaadt */ 72df930be7Sderaadt struct entry { 73df930be7Sderaadt char *e_name; /* the current name of this entry */ 74df930be7Sderaadt u_char e_namlen; /* length of this name */ 75df930be7Sderaadt char e_type; /* type of this entry, see below */ 76df930be7Sderaadt short e_flags; /* status flags, see below */ 77df930be7Sderaadt ino_t e_ino; /* inode number in previous file sys */ 785c93b216Shenning long e_index; /* unique index (for dumped table) */ 79df930be7Sderaadt struct entry *e_parent; /* pointer to parent directory (..) */ 80df930be7Sderaadt struct entry *e_sibling; /* next element in this directory (.) */ 81df930be7Sderaadt struct entry *e_links; /* hard links to this inode */ 82df930be7Sderaadt struct entry *e_entries; /* for directories, their entries */ 83df930be7Sderaadt struct entry *e_next; /* hash chain list */ 84df930be7Sderaadt }; 85df930be7Sderaadt /* types */ 86df930be7Sderaadt #define LEAF 1 /* non-directory entry */ 87df930be7Sderaadt #define NODE 2 /* directory entry */ 88df930be7Sderaadt #define LINK 4 /* synthesized type, stripped by addentry */ 89df930be7Sderaadt /* flags */ 90df930be7Sderaadt #define EXTRACT 0x0001 /* entry is to be replaced from the tape */ 91df930be7Sderaadt #define NEW 0x0002 /* a new entry to be extracted */ 92df930be7Sderaadt #define KEEP 0x0004 /* entry is not to change */ 93df930be7Sderaadt #define REMOVED 0x0010 /* entry has been removed */ 94df930be7Sderaadt #define TMPNAME 0x0020 /* entry has been given a temporary name */ 95df930be7Sderaadt #define EXISTED 0x0040 /* directory already existed during extract */ 96df930be7Sderaadt 97df930be7Sderaadt /* 98df930be7Sderaadt * Constants associated with entry structs 99df930be7Sderaadt */ 100df930be7Sderaadt #define HARDLINK 1 101df930be7Sderaadt #define SYMLINK 2 102df930be7Sderaadt #define TMPHDR "RSTTMP" 103df930be7Sderaadt 104df930be7Sderaadt /* 105df930be7Sderaadt * The entry describes the next file available on the tape 106df930be7Sderaadt */ 107*9be7043fSmortimer extern struct context { 1080155e653Smillert short action; /* action being taken on this file */ 1090155e653Smillert mode_t mode; /* mode of file */ 110df930be7Sderaadt ino_t ino; /* inumber of file */ 1110155e653Smillert uid_t uid; /* file owner */ 1120155e653Smillert gid_t gid; /* file group */ 1130155e653Smillert int file_flags; /* status flags (chflags) */ 1140155e653Smillert int rdev; /* device number of file */ 1150155e653Smillert time_t atime_sec; /* access time seconds */ 1160155e653Smillert time_t mtime_sec; /* modified time seconds */ 1170155e653Smillert time_t birthtime_sec; /* creation time seconds */ 1180155e653Smillert int atime_nsec; /* access time nanoseconds */ 1190155e653Smillert int mtime_nsec; /* modified time nanoseconds */ 1200155e653Smillert int birthtime_nsec; /* creation time nanoseconds */ 1210155e653Smillert off_t size; /* size of file */ 1220155e653Smillert char *name; /* name of file */ 123df930be7Sderaadt } curfile; 124df930be7Sderaadt /* actions */ 125df930be7Sderaadt #define USING 1 /* extracting from the tape */ 126df930be7Sderaadt #define SKIP 2 /* skipping */ 127df930be7Sderaadt #define UNKNOWN 3 /* disposition or starting point is unknown */ 128df930be7Sderaadt 129df930be7Sderaadt /* 130df930be7Sderaadt * Definitions for library routines operating on directories. 131df930be7Sderaadt */ 132df930be7Sderaadt typedef struct rstdirdesc RST_DIR; 133df930be7Sderaadt 134df930be7Sderaadt /* 135df930be7Sderaadt * Flags to setdirmodes. 136df930be7Sderaadt */ 137df930be7Sderaadt #define FORCE 0x0001 138df930be7Sderaadt 139df930be7Sderaadt /* 140df930be7Sderaadt * Useful macros 141df930be7Sderaadt */ 142df930be7Sderaadt #define TSTINO(ino, map) \ 143df930be7Sderaadt (map[(u_int)((ino) - 1) / NBBY] & (1 << ((u_int)((ino) - 1) % NBBY))) 144df930be7Sderaadt #define SETINO(ino, map) \ 145df930be7Sderaadt map[(u_int)((ino) - 1) / NBBY] |= 1 << ((u_int)((ino) - 1) % NBBY) 146df930be7Sderaadt 147a916033eSmillert #define Dprintf if (dflag) fprintf 148a916033eSmillert #define Vprintf if (vflag) fprintf 149df930be7Sderaadt 150df930be7Sderaadt #define GOOD 1 151df930be7Sderaadt #define FAIL 0 152