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 #ifdef NTREC_LONG 82 extern long ntrec; /* used by sbin/restore */ 83 #else 84 extern int ntrec; /* blocking factor on tape */ 85 #endif 86 extern int cartridge; 87 extern const char *host; 88 extern long blocksperfile; /* number of blocks per output file */ 89 extern int notify; /* notify operator flag */ 90 extern int blockswritten; /* number of blocks written on current tape */ 91 extern long dev_bsize; /* block size of underlying disk device */ 92 93 time_t tstart_writing; /* when started writing the first tape block */ 94 time_t tend_writing; /* after writing the last tape block */ 95 int passno; /* current dump pass number */ 96 struct fs *sblock; /* the file system super block */ 97 char sblock_buf[MAXBSIZE]; 98 int dev_bshift; /* log2(dev_bsize) */ 99 int tp_bshift; /* log2(TP_BSIZE) */ 100 101 /* operator interface functions */ 102 void broadcast(const char *); 103 void infosch(int); 104 void lastdump(int); /* int should be char */ 105 void msg(const char *, ...) __printflike(1, 2); 106 void msgtail(const char *, ...) __printflike(1, 2); 107 int query(const char *); 108 void quit(const char *, ...) __dead2 __printflike(1, 2); 109 void timeest(void); 110 time_t unctime(const char *); 111 112 /* mapping rouintes */ 113 struct ufs1_dinode; 114 long blockest(struct ufs1_dinode *); 115 int mapfiles(ufs1_ino_t maxino, long *); 116 int mapdirs(ufs1_ino_t maxino, long *); 117 118 /* file dumping routines */ 119 void blksout(daddr_t *, int, ufs1_ino_t); 120 void bread(daddr_t, char *, int); 121 ssize_t cread(int, void *, size_t, off_t); 122 void dumpino(struct ufs1_dinode *, ufs1_ino_t); 123 void dumpmap(const char *, int, ufs1_ino_t); 124 void writeheader(ufs1_ino_t); 125 126 /* tape writing routines */ 127 int alloctape(void); 128 void close_rewind(void); 129 void dumpblock(daddr_t, int); 130 void startnewtape(int); 131 void trewind(void); 132 void writerec(const void *, int); 133 134 void Exit(int) __dead2; 135 void dumpabort(int) __dead2; 136 void dump_getfstab(void); 137 138 char *rawname(char *); 139 struct ufs1_dinode *getino(ufs1_ino_t); 140 141 /* rdump routines */ 142 #if defined(RDUMP) || defined(RRESTORE) 143 void rmtclose(void); 144 int rmthost(const char *); 145 int rmtopen(const char *, int); 146 int rmtwrite(const void *, int); 147 #endif /* RDUMP || RRESTORE */ 148 149 /* rrestore routines */ 150 #ifdef RRESTORE 151 int rmtread(char *, int); 152 int rmtseek(int, int); 153 int rmtioctl(int, int); 154 #endif /* RRESTORE */ 155 156 void interrupt(int); /* in case operator bangs on console */ 157 158 /* 159 * Exit status codes 160 */ 161 #define X_FINOK 0 /* normal exit */ 162 #define X_STARTUP 1 /* startup error */ 163 #define X_REWRITE 2 /* restart writing from the check point */ 164 #define X_ABORT 3 /* abort dump; don't attempt checkpointing */ 165 166 #define OPGRENT "operator" /* group entry to notify */ 167 168 struct fstab *fstabsearch(const char *); /* search fs_file and fs_spec */ 169 170 #ifndef NAME_MAX 171 #define NAME_MAX 255 172 #endif 173 174 /* 175 * The contents of the file _PATH_DUMPDATES is maintained both on 176 * a linked list, and then (eventually) arrayified. 177 */ 178 struct dumpdates { 179 char dd_name[NAME_MAX+3]; 180 char dd_level; 181 time_t dd_ddate; 182 }; 183 extern int nddates; /* number of records (might be zero) */ 184 extern struct dumpdates **ddatev; /* the arrayfied version */ 185 void initdumptimes(void); 186 void getdumptime(void); 187 void putdumptime(void); 188 #define ITITERATE(i, ddp) \ 189 if (ddatev != NULL) \ 190 for (ddp = ddatev[i = 0]; i < nddates; ddp = ddatev[++i]) 191 192 void sig(int); 193 194 #ifndef _PATH_UTMP 195 #define _PATH_UTMP "/etc/utmp" 196 #endif 197 #ifndef _PATH_FSTAB 198 #define _PATH_FSTAB "/etc/fstab" 199 #endif 200