2
* Copyright (c) 1980, 1993
3
* The Regents of the University of California. All rights reserved.
5
* Redistribution and use in source and binary forms, with or without
6
* modification, are permitted provided that the following conditions
8
* 1. Redistributions of source code must retain the above copyright
9
* notice, this list of conditions and the following disclaimer.
10
* 2. Redistributions in binary form must reproduce the above copyright
11
* notice, this list of conditions and the following disclaimer in the
12
* documentation and/or other materials provided with the distribution.
13
* 4. Neither the name of the University nor the names of its contributors
14
* may be used to endorse or promote products derived from this software
15
* without specific prior written permission.
17
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
18
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
21
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29
* @(#)dump.h 8.2 (Berkeley) 4/28/95
35
* Dump maps used to describe what is to be dumped.
37
int mapsize; /* size of the state maps */
38
char *usedinomap; /* map of allocated inodes */
39
char *dumpdirmap; /* map of directories to be dumped */
40
char *dumpinomap; /* map of files to be dumped */
42
* Map manipulation macros.
44
#define SETINO(ino, map) \
45
map[(u_int)((ino) - 1) / CHAR_BIT] |= \
46
1 << ((u_int)((ino) - 1) % CHAR_BIT)
47
#define CLRINO(ino, map) \
48
map[(u_int)((ino) - 1) / CHAR_BIT] &= \
49
~(1 << ((u_int)((ino) - 1) % CHAR_BIT))
50
#define TSTINO(ino, map) \
51
(map[(u_int)((ino) - 1) / CHAR_BIT] & \
52
(1 << ((u_int)((ino) - 1) % CHAR_BIT)))
55
* All calculations done in 0.1" units!
57
char *disk; /* name of the disk file */
58
char *tape; /* name of the tape file */
59
char *popenout; /* popen(3) per-"tape" command */
60
char *dumpdates; /* name of the file containing dump date information*/
61
char *temp; /* name of the file for doing rewrite of dumpdates */
62
int lastlevel; /* dump level of previous dump */
63
int level; /* dump level of this dump */
64
int uflag; /* update flag */
65
int diskfd; /* disk file descriptor */
66
int tapefd; /* tape file descriptor */
67
int pipeout; /* true => output to standard output */
68
ino_t curino; /* current inumber; used globally */
69
int newtape; /* new tape flag */
70
int density; /* density in 0.1" units */
71
long tapesize; /* estimated tape size, blocks */
72
long tsize; /* tape size in 0.1" units */
73
long asize; /* number of 0.1" units written on current tape */
74
int etapes; /* estimated number of tapes */
75
int nonodump; /* if set, do not honor UF_NODUMP user flags */
76
int unlimited; /* if set, write to end of medium */
77
int cachesize; /* size of block cache in bytes */
78
int rsync_friendly; /* be friendly with rsync */
80
int notify; /* notify operator flag */
81
int blockswritten; /* number of blocks written on current tape */
82
int tapeno; /* current tape number */
83
time_t tstart_writing; /* when started writing the first tape block */
84
time_t tend_writing; /* after writing the last tape block */
85
int passno; /* current dump pass number */
86
struct fs *sblock; /* the file system super block */
87
char sblock_buf[MAXBSIZE];
88
long dev_bsize; /* block size of underlying disk device */
89
int dev_bshift; /* log2(dev_bsize) */
90
int tp_bshift; /* log2(TP_BSIZE) */
92
/* operator interface functions */
93
void broadcast(const char *message);
95
void lastdump(int arg); /* int should be char */
96
void msg(const char *fmt, ...) __printflike(1, 2);
97
void msgtail(const char *fmt, ...) __printflike(1, 2);
98
int query(const char *question);
99
void quit(const char *fmt, ...) __printflike(1, 2);
101
time_t unctime(char *str);
103
/* mapping rouintes */
105
int mapfiles(ino_t maxino, long *tapesize);
106
int mapdirs(ino_t maxino, long *tapesize);
108
/* file dumping routines */
109
void bread(ufs2_daddr_t blkno, char *buf, int size);
110
ssize_t cread(int fd, void *buf, size_t nbytes, off_t offset);
111
void dumpino(union dinode *dp, ino_t ino);
112
void dumpmap(char *map, int type, ino_t ino);
113
void writeheader(ino_t ino);
115
/* tape writing routines */
117
void close_rewind(void);
118
void dumpblock(ufs2_daddr_t blkno, int size);
119
void startnewtape(int top);
121
void writerec(char *dp, int isspcl);
123
void Exit(int status) __dead2;
124
void dumpabort(int signo);
125
void dump_getfstab(void);
127
char *rawname(char *cp);
128
union dinode *getino(ino_t inum, int *mode);
133
int rmthost(const char *host);
134
int rmtopen(const char *tape, int mode);
135
int rmtwrite(const char *buf, int count);
138
void interrupt(int signo); /* in case operator bangs on console */
143
#define X_FINOK 0 /* normal exit */
144
#define X_STARTUP 1 /* startup error */
145
#define X_REWRITE 2 /* restart writing from the check point */
146
#define X_ABORT 3 /* abort dump; don't attempt checkpointing */
148
#define OPGRENT "operator" /* group entry to notify */
150
struct fstab *fstabsearch(const char *key); /* search fs_file and fs_spec */
157
* The contents of the file _PATH_DUMPDATES is maintained both on
158
* a linked list, and then (eventually) arrayified.
161
char dd_name[NAME_MAX+3];
165
int nddates; /* number of records (might be zero) */
166
struct dumpdates **ddatev; /* the arrayfied version */
167
void initdumptimes(void);
168
void getdumptime(void);
169
void putdumptime(void);
170
#define ITITERATE(i, ddp) \
171
if (ddatev != NULL) \
172
for (ddp = ddatev[i = 0]; i < nddates; ddp = ddatev[++i])
174
#define DUMPOUTFMT "%-32s %d %s" /* for printf */
175
/* name, level, ctime(date) */
176
#define DUMPINFMT "%32s %d %[^\n]\n" /* inverse for scanf */
181
#define _PATH_FSTAB "/etc/fstab"