1 /*- 2 * Copyright (c) 1980, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 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 * 3. All advertising materials mentioning features or use of this software 14 * must display the following acknowledgement: 15 * This product includes software developed by the University of 16 * California, Berkeley and its contributors. 17 * 4. Neither the name of the University nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 * 33 * @(#)dump.h 8.2 (Berkeley) 4/28/95 34 * 35 * $FreeBSD$ 36 */ 37 38 /* 39 * Dump maps used to describe what is to be dumped. 40 */ 41 int mapsize; /* size of the state maps */ 42 char *usedinomap; /* map of allocated inodes */ 43 char *dumpdirmap; /* map of directories to be dumped */ 44 char *dumpinomap; /* map of files to be dumped */ 45 /* 46 * Map manipulation macros. 47 */ 48 #define SETINO(ino, map) \ 49 map[(u_int)((ino) - 1) / CHAR_BIT] |= \ 50 1 << ((u_int)((ino) - 1) % CHAR_BIT) 51 #define CLRINO(ino, map) \ 52 map[(u_int)((ino) - 1) / CHAR_BIT] &= \ 53 ~(1 << ((u_int)((ino) - 1) % CHAR_BIT)) 54 #define TSTINO(ino, map) \ 55 (map[(u_int)((ino) - 1) / CHAR_BIT] & \ 56 (1 << ((u_int)((ino) - 1) % CHAR_BIT))) 57 58 /* 59 * All calculations done in 0.1" units! 60 */ 61 char *disk; /* name of the disk file */ 62 char *tape; /* name of the tape file */ 63 char *dumpdates; /* name of the file containing dump date information*/ 64 char *temp; /* name of the file for doing rewrite of dumpdates */ 65 char lastlevel; /* dump level of previous dump */ 66 char level; /* dump level of this dump */ 67 int uflag; /* update flag */ 68 int diskfd; /* disk file descriptor */ 69 int tapefd; /* tape file descriptor */ 70 int pipeout; /* true => output to standard output */ 71 ino_t curino; /* current inumber; used globally */ 72 int newtape; /* new tape flag */ 73 int density; /* density in 0.1" units */ 74 long tapesize; /* estimated tape size, blocks */ 75 long tsize; /* tape size in 0.1" units */ 76 long asize; /* number of 0.1" units written on current tape */ 77 int etapes; /* estimated number of tapes */ 78 int nonodump; /* if set, do not honor UF_NODUMP user flags */ 79 int unlimited; /* if set, write to end of medium */ 80 int cachesize; /* size of block cache in bytes */ 81 82 int notify; /* notify operator flag */ 83 int blockswritten; /* number of blocks written on current tape */ 84 int tapeno; /* current tape number */ 85 time_t tstart_writing; /* when started writing the first tape block */ 86 time_t tend_writing; /* after writing the last tape block */ 87 int passno; /* current dump pass number */ 88 struct fs *sblock; /* the file system super block */ 89 char sblock_buf[MAXBSIZE]; 90 long dev_bsize; /* block size of underlying disk device */ 91 int dev_bshift; /* log2(dev_bsize) */ 92 int tp_bshift; /* log2(TP_BSIZE) */ 93 94 /* operator interface functions */ 95 void broadcast(const char *message); 96 void infosch(int); 97 void lastdump(int arg); /* int should be char */ 98 void msg(const char *fmt, ...) __printflike(1, 2); 99 void msgtail(const char *fmt, ...) __printflike(1, 2); 100 int query(const char *question); 101 void quit(const char *fmt, ...) __printflike(1, 2); 102 void timeest(void); 103 time_t unctime(char *str); 104 105 /* mapping rouintes */ 106 union dinode; 107 int mapfiles(ino_t maxino, long *tapesize); 108 int mapdirs(ino_t maxino, long *tapesize); 109 110 /* file dumping routines */ 111 void ufs1_blksout(ufs1_daddr_t *blkp, int frags, ino_t ino); 112 void ufs2_blksout(ufs2_daddr_t *blkp, int frags, ino_t ino); 113 void bread(ufs2_daddr_t blkno, char *buf, int size); 114 void dumpino(union dinode *dp, ino_t ino); 115 void dumpmap(char *map, int type, ino_t ino); 116 void writeheader(ino_t ino); 117 118 /* tape writing routines */ 119 int alloctape(void); 120 void close_rewind(void); 121 void dumpblock(ufs2_daddr_t blkno, int size); 122 void startnewtape(int top); 123 void trewind(void); 124 void writerec(char *dp, int isspcl); 125 126 void Exit(int status) __dead2; 127 void dumpabort(int signo); 128 void getfstab(void); 129 130 char *rawname(char *cp); 131 union dinode *getino(ino_t inum, int *mode); 132 133 /* rdump routines */ 134 #ifdef RDUMP 135 void rmtclose(void); 136 int rmthost(const char *host); 137 int rmtopen(const char *tape, int mode); 138 int rmtwrite(const char *buf, int count); 139 #endif /* RDUMP */ 140 141 void interrupt(int signo); /* in case operator bangs on console */ 142 143 /* 144 * Exit status codes 145 */ 146 #define X_FINOK 0 /* normal exit */ 147 #define X_STARTUP 1 /* startup error */ 148 #define X_REWRITE 2 /* restart writing from the check point */ 149 #define X_ABORT 3 /* abort dump; don't attempt checkpointing */ 150 151 #define OPGRENT "operator" /* group entry to notify */ 152 153 struct fstab *fstabsearch(const char *key); /* search fs_file and fs_spec */ 154 155 #ifndef NAME_MAX 156 #define NAME_MAX 255 157 #endif 158 159 /* 160 * The contents of the file _PATH_DUMPDATES is maintained both on 161 * a linked list, and then (eventually) arrayified. 162 */ 163 struct dumpdates { 164 char dd_name[NAME_MAX+3]; 165 char dd_level; 166 time_t dd_ddate; 167 }; 168 int nddates; /* number of records (might be zero) */ 169 int ddates_in; /* we have read the increment file */ 170 struct dumpdates **ddatev; /* the arrayfied version */ 171 void initdumptimes(void); 172 void getdumptime(void); 173 void putdumptime(void); 174 #define ITITERATE(i, ddp) \ 175 for (ddp = ddatev[i = 0]; i < nddates; ddp = ddatev[++i]) 176 177 void sig(int signo); 178 179 #ifndef _PATH_FSTAB 180 #define _PATH_FSTAB "/etc/fstab" 181 #endif 182