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 1.4 2003/11/03 19:51:04 eirikn Exp $ 37 */ 38 39 #define MAXINOPB (MAXBSIZE / sizeof(struct dinode)) 40 #define MAXNINDIR (MAXBSIZE / sizeof(daddr_t)) 41 42 /* 43 * Dump maps used to describe what is to be dumped. 44 */ 45 int mapsize; /* size of the state maps */ 46 char *usedinomap; /* map of allocated inodes */ 47 char *dumpdirmap; /* map of directories to be dumped */ 48 char *dumpinomap; /* map of files to be dumped */ 49 /* 50 * Map manipulation macros. 51 */ 52 #define SETINO(ino, map) \ 53 map[(u_int)((ino) - 1) / NBBY] |= 1 << ((u_int)((ino) - 1) % NBBY) 54 #define CLRINO(ino, map) \ 55 map[(u_int)((ino) - 1) / NBBY] &= ~(1 << ((u_int)((ino) - 1) % NBBY)) 56 #define TSTINO(ino, map) \ 57 (map[(u_int)((ino) - 1) / NBBY] & (1 << ((u_int)((ino) - 1) % NBBY))) 58 59 /* 60 * All calculations done in 0.1" units! 61 */ 62 char *disk; /* name of the disk file */ 63 char *tape; /* name of the tape file */ 64 char *dumpdates; /* name of the file containing dump date information*/ 65 char *temp; /* name of the file for doing rewrite of dumpdates */ 66 char lastlevel; /* dump level of previous dump */ 67 char level; /* dump level of this dump */ 68 int uflag; /* update flag */ 69 int diskfd; /* disk file descriptor */ 70 int tapefd; /* tape file descriptor */ 71 int pipeout; /* true => output to standard output */ 72 ino_t curino; /* current inumber; used globally */ 73 int newtape; /* new tape flag */ 74 int density; /* density in 0.1" units */ 75 long tapesize; /* estimated tape size, blocks */ 76 long tsize; /* tape size in 0.1" units */ 77 long asize; /* number of 0.1" units written on current tape */ 78 int etapes; /* estimated number of tapes */ 79 int nonodump; /* if set, do not honor UF_NODUMP user flags */ 80 int unlimited; /* if set, write to end of medium */ 81 int cachesize; /* size of block cache */ 82 83 int notify; /* notify operator flag */ 84 int blockswritten; /* number of blocks written on current tape */ 85 int tapeno; /* current tape number */ 86 time_t tstart_writing; /* when started writing the first tape block */ 87 time_t tend_writing; /* after writing the last tape block */ 88 int passno; /* current dump pass number */ 89 struct fs *sblock; /* the file system super block */ 90 char sblock_buf[MAXBSIZE]; 91 long dev_bsize; /* block size of underlying disk device */ 92 int dev_bshift; /* log2(dev_bsize) */ 93 int tp_bshift; /* log2(TP_BSIZE) */ 94 95 /* operator interface functions */ 96 void broadcast(char *message); 97 void infosch(int); 98 void lastdump(int arg); /* int should be char */ 99 void msg(const char *fmt, ...) __printflike(1, 2); 100 void msgtail(const char *fmt, ...) __printflike(1, 2); 101 int query(char *question); 102 void quit(const char *fmt, ...) __printflike(1, 2); 103 void timeest(void); 104 time_t unctime(char *str); 105 106 /* mapping rouintes */ 107 struct dinode; 108 long blockest(struct dinode *dp); 109 int mapfiles(ino_t maxino, long *tapesize); 110 int mapdirs(ino_t maxino, long *tapesize); 111 112 /* file dumping routines */ 113 void blksout(daddr_t *blkp, int frags, ino_t ino); 114 void bread(daddr_t blkno, char *buf, int size); 115 void dumpino(struct dinode *dp, ino_t ino); 116 void dumpmap(char *map, int type, ino_t ino); 117 void writeheader(ino_t ino); 118 119 /* tape writing routines */ 120 int alloctape(void); 121 void close_rewind(void); 122 void dumpblock(daddr_t blkno, int size); 123 void startnewtape(int top); 124 void trewind(void); 125 void writerec(char *dp, int isspcl); 126 127 void Exit(int status) __dead2; 128 void dumpabort(int signo); 129 void getfstab(void); 130 131 char *rawname(char *cp); 132 struct dinode *getino(ino_t inum); 133 134 /* rdump routines */ 135 #ifdef RDUMP 136 void rmtclose(void); 137 int rmthost(char *host); 138 int rmtopen(char *tape, int mode); 139 int rmtwrite(char *buf, int count); 140 #endif /* RDUMP */ 141 142 void interrupt(int signo); /* in case operator bangs on console */ 143 144 /* 145 * Exit status codes 146 */ 147 #define X_FINOK 0 /* normal exit */ 148 #define X_STARTUP 1 /* startup error */ 149 #define X_REWRITE 2 /* restart writing from the check point */ 150 #define X_ABORT 3 /* abort dump; don't attempt checkpointing */ 151 152 #define OPGRENT "operator" /* group entry to notify */ 153 154 struct fstab *fstabsearch(char *key); /* search fs_file and fs_spec */ 155 156 #ifndef NAME_MAX 157 #define NAME_MAX 255 158 #endif 159 160 /* 161 * The contents of the file _PATH_DUMPDATES is maintained both on 162 * a linked list, and then (eventually) arrayified. 163 */ 164 struct dumpdates { 165 char dd_name[NAME_MAX+3]; 166 char dd_level; 167 time_t dd_ddate; 168 }; 169 int nddates; /* number of records (might be zero) */ 170 int ddates_in; /* we have read the increment file */ 171 struct dumpdates **ddatev; /* the arrayfied version */ 172 void initdumptimes(void); 173 void getdumptime(void); 174 void putdumptime(void); 175 #define ITITERATE(i, ddp) \ 176 for (ddp = ddatev[i = 0]; i < nddates; ddp = ddatev[++i]) 177 178 void sig(int signo); 179 180 /* 181 * Compatibility with old systems. 182 */ 183 #ifdef COMPAT 184 #include <sys/file.h> 185 #define strchr(a,b) index(a,b) 186 #define strrchr(a,b) rindex(a,b) 187 extern char *strdup(), *ctime(); 188 extern int read(), write(); 189 extern int errno; 190 #endif 191 192 #ifndef _PATH_UTMP 193 #define _PATH_UTMP "/etc/utmp" 194 #endif 195 #ifndef _PATH_FSTAB 196 #define _PATH_FSTAB "/etc/fstab" 197 #endif 198 199 #ifdef sunos 200 extern char *calloc(); 201 extern char *malloc(); 202 extern long atol(); 203 extern char *strcpy(); 204 extern char *strncpy(); 205 extern char *strcat(); 206 extern time_t time(); 207 extern void endgrent(); 208 extern void exit(); 209 extern off_t lseek(); 210 extern const char *strerror(); 211 #endif 212