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: src/sbin/dump/dump.h,v 1.7.6.4 2003/01/25 18:54:59 dillon Exp $ 36 * $DragonFly: src/sbin/dump/dump.h,v 1.12 2006/04/03 01:58:48 dillon Exp $ 37 */ 38 39 #include <sys/param.h> 40 41 #define MAXINOPB (MAXBSIZE / sizeof(struct ufs1_dinode)) 42 #define MAXNINDIR (MAXBSIZE / sizeof(daddr_t)) 43 44 /* 45 * Dump maps used to describe what is to be dumped. 46 */ 47 int mapsize; /* size of the state maps */ 48 char *usedinomap; /* map of allocated inodes */ 49 char *dumpdirmap; /* map of directories to be dumped */ 50 char *dumpinomap; /* map of files to be dumped */ 51 /* 52 * Map manipulation macros. 53 */ 54 #define SETINO(ino, map) \ 55 map[(u_int)((ino) - 1) / NBBY] |= 1 << ((u_int)((ino) - 1) % NBBY) 56 #define CLRINO(ino, map) \ 57 map[(u_int)((ino) - 1) / NBBY] &= ~(1 << ((u_int)((ino) - 1) % NBBY)) 58 #define TSTINO(ino, map) \ 59 (map[(u_int)((ino) - 1) / NBBY] & (1 << ((u_int)((ino) - 1) % NBBY))) 60 61 /* 62 * All calculations done in 0.1" units! 63 */ 64 char *disk; /* name of the disk file */ 65 const char *tape; /* name of the tape file */ 66 extern const char *dumpdates; /* name of the file containing dump date information*/ 67 extern const char *temp; /* name of the file for doing rewrite of dumpdates */ 68 char lastlevel; /* dump level of previous dump */ 69 char level; /* dump level of this dump */ 70 int uflag; /* update flag */ 71 int diskfd; /* disk file descriptor */ 72 int tapefd; /* tape file descriptor */ 73 int pipeout; /* true => output to standard output */ 74 ufs1_ino_t curino; /* current inumber; used globally */ 75 int newtape; /* new tape flag */ 76 long tapesize; /* estimated tape size, blocks */ 77 long tsize; /* tape size in 0.1" units */ 78 long asize; /* number of 0.1" units written on current tape */ 79 int etapes; /* estimated number of tapes */ 80 int nonodump; /* if set, do not honor UF_NODUMP user flags */ 81 int unlimited; /* if set, write to end of medium */ 82 83 extern int cachesize; /* size of block cache */ 84 extern int density; /* density in 0.1" units */ 85 extern int dokerberos; 86 extern int ntrec; /* blocking factor on tape */ 87 extern int cartridge; 88 extern const char *host; 89 extern long blocksperfile; /* number of blocks per output file */ 90 extern int notify; /* notify operator flag */ 91 extern int blockswritten; /* number of blocks written on current tape */ 92 extern long dev_bsize; /* block size of underlying disk device */ 93 94 time_t tstart_writing; /* when started writing the first tape block */ 95 time_t tend_writing; /* after writing the last tape block */ 96 int passno; /* current dump pass number */ 97 struct fs *sblock; /* the file system super block */ 98 char sblock_buf[MAXBSIZE]; 99 int dev_bshift; /* log2(dev_bsize) */ 100 int tp_bshift; /* log2(TP_BSIZE) */ 101 102 /* operator interface functions */ 103 void broadcast(const char *); 104 void infosch(int); 105 void lastdump(int); /* int should be char */ 106 void msg(const char *, ...) __printflike(1, 2); 107 void msgtail(const char *, ...) __printflike(1, 2); 108 int query(const char *); 109 void quit(const char *, ...) __printflike(1, 2); 110 void timeest(void); 111 time_t unctime(const char *); 112 113 /* mapping rouintes */ 114 struct ufs1_dinode; 115 long blockest(struct ufs1_dinode *); 116 int mapfiles(ufs1_ino_t maxino, long *); 117 int mapdirs(ufs1_ino_t maxino, long *); 118 119 /* file dumping routines */ 120 void blksout(daddr_t *, int, ufs1_ino_t); 121 void bread(daddr_t, char *, int); 122 ssize_t cread(int, void *, size_t, off_t); 123 void dumpino(struct ufs1_dinode *, ufs1_ino_t); 124 void dumpmap(const char *, int, ufs1_ino_t); 125 void writeheader(ufs1_ino_t); 126 127 /* tape writing routines */ 128 int alloctape(void); 129 void close_rewind(void); 130 void dumpblock(daddr_t, int); 131 void startnewtape(int); 132 void trewind(void); 133 void writerec(const void *, int); 134 135 void Exit(int) __dead2; 136 void dumpabort(int); 137 void dump_getfstab(void); 138 139 char *rawname(char *); 140 struct ufs1_dinode *getino(ufs1_ino_t); 141 142 /* rdump routines */ 143 #if defined(RDUMP) || defined(RRESTORE) 144 void rmtclose(void); 145 int rmthost(const char *); 146 int rmtopen(const char *, int); 147 int rmtwrite(const void *, int); 148 #endif /* RDUMP || RRESTORE */ 149 150 /* rrestore routines */ 151 #ifdef RRESTORE 152 int rmtread(char *, int); 153 int rmtseek(int, int); 154 int rmtioctl(int, int); 155 #endif /* RRESTORE */ 156 157 void interrupt(int); /* in case operator bangs on console */ 158 159 /* 160 * Exit status codes 161 */ 162 #define X_FINOK 0 /* normal exit */ 163 #define X_STARTUP 1 /* startup error */ 164 #define X_REWRITE 2 /* restart writing from the check point */ 165 #define X_ABORT 3 /* abort dump; don't attempt checkpointing */ 166 167 #define OPGRENT "operator" /* group entry to notify */ 168 169 struct fstab *fstabsearch(const char *); /* search fs_file and fs_spec */ 170 171 #ifndef NAME_MAX 172 #define NAME_MAX 255 173 #endif 174 175 /* 176 * The contents of the file _PATH_DUMPDATES is maintained both on 177 * a linked list, and then (eventually) arrayified. 178 */ 179 struct dumpdates { 180 char dd_name[NAME_MAX+3]; 181 char dd_level; 182 time_t dd_ddate; 183 }; 184 extern int nddates; /* number of records (might be zero) */ 185 extern struct dumpdates **ddatev; /* the arrayfied version */ 186 void initdumptimes(void); 187 void getdumptime(void); 188 void putdumptime(void); 189 #define ITITERATE(i, ddp) \ 190 if (ddatev != NULL) \ 191 for (ddp = ddatev[i = 0]; i < nddates; ddp = ddatev[++i]) 192 193 void sig(int); 194 195 /* 196 * Compatibility with old systems. 197 */ 198 #ifdef COMPAT 199 #include <sys/file.h> 200 #define strchr(a,b) index(a,b) 201 #define strrchr(a,b) rindex(a,b) 202 extern char *strdup(), *ctime(); 203 extern int read(), write(); 204 extern int errno; 205 #endif 206 207 #ifndef _PATH_UTMP 208 #define _PATH_UTMP "/etc/utmp" 209 #endif 210 #ifndef _PATH_FSTAB 211 #define _PATH_FSTAB "/etc/fstab" 212 #endif 213 214 #ifdef sunos 215 extern char *calloc(); 216 extern char *malloc(); 217 extern long atol(); 218 extern char *strcpy(); 219 extern char *strncpy(); 220 extern char *strcat(); 221 extern time_t time(); 222 extern void endgrent(); 223 extern void exit(); 224 extern off_t lseek(); 225 extern const char *strerror(); 226 #endif 227