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. 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. 16 * 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 27 * SUCH DAMAGE. 28 * 29 * @(#)dump.h 8.2 (Berkeley) 4/28/95 30 * 31 * $FreeBSD: src/sbin/dump/dump.h,v 1.7.6.4 2003/01/25 18:54:59 dillon Exp $ 32 */ 33 34 #include <sys/param.h> 35 36 #define MAXINOPB (MAXBSIZE / sizeof(struct ufs1_dinode)) 37 #define MAXNINDIR (MAXBSIZE / sizeof(daddr_t)) 38 39 /* 40 * Dump maps used to describe what is to be dumped. 41 */ 42 int mapsize; /* size of the state maps */ 43 char *usedinomap; /* map of allocated inodes */ 44 char *dumpdirmap; /* map of directories to be dumped */ 45 char *dumpinomap; /* map of files to be dumped */ 46 /* 47 * Map manipulation macros. 48 */ 49 #define SETINO(ino, map) \ 50 map[(u_int)((ino) - 1) / NBBY] |= 1 << ((u_int)((ino) - 1) % NBBY) 51 #define CLRINO(ino, map) \ 52 map[(u_int)((ino) - 1) / NBBY] &= ~(1 << ((u_int)((ino) - 1) % NBBY)) 53 #define TSTINO(ino, map) \ 54 (map[(u_int)((ino) - 1) / NBBY] & (1 << ((u_int)((ino) - 1) % NBBY))) 55 56 /* 57 * All calculations done in 0.1" units! 58 */ 59 char *disk; /* name of the disk file */ 60 const char *tape; /* name of the tape file */ 61 extern const char *dumpdates; /* name of the file containing dump date information*/ 62 extern const char *temp; /* name of the file for doing rewrite of dumpdates */ 63 char lastlevel; /* dump level of previous dump */ 64 char level; /* dump level of this dump */ 65 int uflag; /* update flag */ 66 int diskfd; /* disk file descriptor */ 67 int tapefd; /* tape file descriptor */ 68 int pipeout; /* true => output to standard output */ 69 ufs1_ino_t curino; /* current inumber; used globally */ 70 int newtape; /* new tape flag */ 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 78 extern int cachesize; /* size of block cache */ 79 extern int density; /* density in 0.1" units */ 80 extern int dokerberos; 81 extern int ntrec; /* blocking factor on tape */ 82 extern int cartridge; 83 extern const char *host; 84 extern long blocksperfile; /* number of blocks per output file */ 85 extern int notify; /* notify operator flag */ 86 extern int blockswritten; /* number of blocks written on current tape */ 87 extern long dev_bsize; /* block size of underlying disk device */ 88 89 time_t tstart_writing; /* when started writing the first tape block */ 90 time_t tend_writing; /* after writing the last tape block */ 91 int passno; /* current dump pass number */ 92 struct fs *sblock; /* the file system super block */ 93 char sblock_buf[MAXBSIZE]; 94 int dev_bshift; /* log2(dev_bsize) */ 95 int tp_bshift; /* log2(TP_BSIZE) */ 96 97 /* operator interface functions */ 98 void broadcast(const char *); 99 void infosch(int); 100 void lastdump(int); /* int should be char */ 101 void msg(const char *, ...) __printflike(1, 2); 102 void msgtail(const char *, ...) __printflike(1, 2); 103 int query(const char *); 104 void quit(const char *, ...) __printflike(1, 2); 105 void timeest(void); 106 time_t unctime(const char *); 107 108 /* mapping rouintes */ 109 struct ufs1_dinode; 110 long blockest(struct ufs1_dinode *); 111 int mapfiles(ufs1_ino_t maxino, long *); 112 int mapdirs(ufs1_ino_t maxino, long *); 113 114 /* file dumping routines */ 115 void blksout(daddr_t *, int, ufs1_ino_t); 116 void bread(daddr_t, char *, int); 117 ssize_t cread(int, void *, size_t, off_t); 118 void dumpino(struct ufs1_dinode *, ufs1_ino_t); 119 void dumpmap(const char *, int, ufs1_ino_t); 120 void writeheader(ufs1_ino_t); 121 122 /* tape writing routines */ 123 int alloctape(void); 124 void close_rewind(void); 125 void dumpblock(daddr_t, int); 126 void startnewtape(int); 127 void trewind(void); 128 void writerec(const void *, int); 129 130 void Exit(int) __dead2; 131 void dumpabort(int); 132 void dump_getfstab(void); 133 134 char *rawname(char *); 135 struct ufs1_dinode *getino(ufs1_ino_t); 136 137 /* rdump routines */ 138 #if defined(RDUMP) || defined(RRESTORE) 139 void rmtclose(void); 140 int rmthost(const char *); 141 int rmtopen(const char *, int); 142 int rmtwrite(const void *, int); 143 #endif /* RDUMP || RRESTORE */ 144 145 /* rrestore routines */ 146 #ifdef RRESTORE 147 int rmtread(char *, int); 148 int rmtseek(int, int); 149 int rmtioctl(int, int); 150 #endif /* RRESTORE */ 151 152 void interrupt(int); /* in case operator bangs on console */ 153 154 /* 155 * Exit status codes 156 */ 157 #define X_FINOK 0 /* normal exit */ 158 #define X_STARTUP 1 /* startup error */ 159 #define X_REWRITE 2 /* restart writing from the check point */ 160 #define X_ABORT 3 /* abort dump; don't attempt checkpointing */ 161 162 #define OPGRENT "operator" /* group entry to notify */ 163 164 struct fstab *fstabsearch(const char *); /* search fs_file and fs_spec */ 165 166 #ifndef NAME_MAX 167 #define NAME_MAX 255 168 #endif 169 170 /* 171 * The contents of the file _PATH_DUMPDATES is maintained both on 172 * a linked list, and then (eventually) arrayified. 173 */ 174 struct dumpdates { 175 char dd_name[NAME_MAX+3]; 176 char dd_level; 177 time_t dd_ddate; 178 }; 179 extern int nddates; /* number of records (might be zero) */ 180 extern struct dumpdates **ddatev; /* the arrayfied version */ 181 void initdumptimes(void); 182 void getdumptime(void); 183 void putdumptime(void); 184 #define ITITERATE(i, ddp) \ 185 if (ddatev != NULL) \ 186 for (ddp = ddatev[i = 0]; i < nddates; ddp = ddatev[++i]) 187 188 void sig(int); 189 190 #ifndef _PATH_UTMP 191 #define _PATH_UTMP "/etc/utmp" 192 #endif 193 #ifndef _PATH_FSTAB 194 #define _PATH_FSTAB "/etc/fstab" 195 #endif 196