1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
|
/* $OpenBSD: dump.h,v 1.17 2013/06/11 16:42:04 deraadt Exp $ */
/* $NetBSD: dump.h,v 1.11 1997/06/05 11:13:20 lukem Exp $ */
/*-
* Copyright (c) 1980, 1993
* The Regents of the University of California. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* @(#)dump.h 8.1 (Berkeley) 6/5/93
*/
/*
* Dump maps used to describe what is to be dumped.
*/
int mapsize; /* size of the state maps */
char *usedinomap; /* map of allocated inodes */
char *dumpdirmap; /* map of directories to be dumped */
char *dumpinomap; /* map of files to be dumped */
/*
* Map manipulation macros.
*/
#define SETINO(ino, map) \
map[(u_int)((ino) - 1) / NBBY] |= 1 << ((u_int)((ino) - 1) % NBBY)
#define CLRINO(ino, map) \
map[(u_int)((ino) - 1) / NBBY] &= ~(1 << ((u_int)((ino) - 1) % NBBY))
#define TSTINO(ino, map) \
(map[(u_int)((ino) - 1) / NBBY] & (1 << ((u_int)((ino) - 1) % NBBY)))
/*
* All calculations done in 0.1" units!
*/
char *disk; /* name of the disk file */
char *tape; /* name of the tape file */
char *dumpdates; /* name of the file containing dump date information*/
char *temp; /* name of the file for doing rewrite of dumpdates */
char lastlevel; /* dump level of previous dump */
char level; /* dump level of this dump */
int uflag; /* update flag */
int diskfd; /* disk file descriptor */
int tapefd; /* tape file descriptor */
int pipeout; /* true => output to standard output */
ino_t curino; /* current inumber; used globally */
int newtape; /* new tape flag */
int density; /* density in 0.1" units */
off_t tapesize; /* estimated tape size, blocks */
off_t tsize; /* tape size in 0.1" units */
int unlimited; /* if set, write to end of medium */
off_t asize; /* number of 0.1" units written on current tape */
int etapes; /* estimated number of tapes */
int nonodump; /* if set, do not honor UF_NODUMP user flags */
int notify; /* notify operator flag */
int blockswritten; /* number of blocks written on current tape */
int tapeno; /* current tape number */
time_t tstart_writing; /* when started writing the first tape block */
long xferrate; /* averaged transfer rate of all volumes */
struct fs *sblock; /* the file system super block */
char sblock_buf[MAXBSIZE];
long dev_bsize; /* block size of underlying disk device */
int dev_bshift; /* log2(dev_bsize) */
int tp_bshift; /* log2(TP_BSIZE) */
/* operator interface functions */
void broadcast(char *message);
time_t do_stats(void);
void lastdump(int arg); /* int should be char */
void msg(const char *fmt, ...)
__attribute__((__format__ (printf, 1, 2)));
void msgtail(const char *fmt, ...)
__attribute__((__format__ (printf, 1, 2)));
int query(char *question);
void quit(const char *fmt, ...);
void statussig(int);
void timeest(void);
/* mapping routines */
union dinode;
off_t blockest(union dinode *dp);
void mapfileino(ino_t, off_t *, int *);
int mapfiles(ino_t maxino, off_t *tapesize, char *disk, char * const *dirv);
int mapdirs(ino_t maxino, off_t *tapesize);
/* file dumping routines */
void ufs1_blksout(int32_t *blkp, int frags, ino_t ino);
void ufs2_blksout(daddr_t *blkp, int frags, ino_t ino);
void bread(daddr_t blkno, char *buf, int size);
void dumpino(union dinode *dp, ino_t ino);
void dumpmap(char *map, int type, ino_t ino);
void writeheader(ino_t ino);
/* tape writing routines */
int alloctape(void);
void close_rewind(void);
void dumpblock(daddr_t blkno, int size);
void startnewtape(int top);
void trewind(void);
void writerec(char *dp, int isspcl);
__dead void Exit(int status);
void dumpabort(int signo);
void getfstab(void);
char *rawname(char *cp);
union dinode *getino(ino_t inum, int *mode);
/* rdump routines */
#ifdef RDUMP
void rmtclose(void);
int rmthost(char *host);
int rmtopen(char *tape, int mode);
int rmtwrite(char *buf, int count);
#endif /* RDUMP */
void interrupt(int signo); /* in case operator bangs on console */
/*
* Exit status codes
*/
#define X_FINOK 0 /* normal exit */
#define X_STARTUP 1 /* startup error */
#define X_REWRITE 2 /* restart writing from the check point */
#define X_ABORT 3 /* abort dump; don't attempt checkpointing */
#define OPGRENT "operator" /* group entry to notify */
struct fstab *fstabsearch(char *key); /* search fs_file and fs_spec */
#ifndef NAME_MAX
#define NAME_MAX 255
#endif
/*
* The contents of the file _PATH_DUMPDATES is maintained both on
* a linked list, and then (eventually) arrayified.
*/
struct dumpdates {
char dd_name[NAME_MAX+3];
char dd_level;
time_t dd_ddate;
};
struct dumptime {
struct dumpdates dt_value;
struct dumptime *dt_next;
};
struct dumptime *dthead; /* head of the list version */
int nddates; /* number of records (might be zero) */
int ddates_in; /* we have read the increment file */
struct dumpdates **ddatev; /* the arrayfied version */
void initdumptimes(void);
void getdumptime(void);
void putdumptime(void);
#define ITITERATE(i, ddp) \
for (i = 0; i < nddates && (ddp = ddatev[i]); i++)
void sig(int signo);
/*
* Compatibility with old systems.
*/
#ifdef COMPAT
#include <sys/file.h>
#define strchr(a,b) index(a,b)
#define strrchr(a,b) rindex(a,b)
extern char *strdup(), *ctime();
extern int read(), write();
extern int errno;
#endif
#ifndef _PATH_UTMP
#define _PATH_UTMP "/etc/utmp"
#endif
#ifndef _PATH_FSTAB
#define _PATH_FSTAB "/etc/fstab"
#endif
|
