/*- * SPDX-License-Identifier: BSD-3-Clause * * Copyright (c) 1980, 1993 * The Regents of the University of California. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ /* * Dump maps used to describe what is to be dumped. */ extern int mapsize; /* size of the state maps */ extern char *usedinomap; /* map of allocated inodes */ extern char *dumpdirmap; /* map of directories to be dumped */ extern char *dumpinomap; /* map of files to be dumped */ /* * Map manipulation macros. */ #define SETINO(ino, map) \ map[(u_int)((ino) - 1) / CHAR_BIT] |= \ 1 << ((u_int)((ino) - 1) % CHAR_BIT) #define CLRINO(ino, map) \ map[(u_int)((ino) - 1) / CHAR_BIT] &= \ ~(1 << ((u_int)((ino) - 1) % CHAR_BIT)) #define TSTINO(ino, map) \ (map[(u_int)((ino) - 1) / CHAR_BIT] & \ (1 << ((u_int)((ino) - 1) % CHAR_BIT))) /* * All calculations done in 0.1" units! */ extern char *disk; /* name of the disk file */ extern char *tape; /* name of the tape file */ extern char *popenout; /* popen(3) per-"tape" command */ extern char *dumpdates; /* name of the file containing dump date info */ extern int lastlevel; /* dump level of previous dump */ extern int level; /* dump level of this dump */ extern int uflag; /* update flag */ extern int diskfd; /* disk file descriptor */ extern int pipeout; /* true => output to standard output */ extern ino_t curino; /* current inumber; used globally */ extern int newtape; /* new tape flag */ extern int density; /* density in 0.1" units */ extern long tapesize; /* estimated tape size, blocks */ extern long tsize; /* tape size in 0.1" units */ extern int etapes; /* estimated number of tapes */ extern int nonodump; /* if set, do not honor UF_NODUMP user flags */ extern int unlimited; /* if set, write to end of medium */ extern int cachesize; /* size of block cache in bytes */ extern int rsync_friendly; /* be friendly with rsync */ extern int notify; /* notify operator flag */ extern int blockswritten; /* number of blocks written on current tape */ extern int tapeno; /* current tape number */ extern int ntrec; /* blocking factor on tape */ extern long blocksperfile; /* number of blocks per output file */ extern int cartridge; /* assume non-cartridge tape */ extern char *host; /* remote host (if any) */ extern time_t tstart_writing; /* when started writing the first tape block */ extern time_t tend_writing; /* after writing the last tape block */ extern int passno; /* current dump pass number */ extern struct fs *sblock; /* the file system super block */ extern long dev_bsize; /* block size of underlying disk device */ extern int dev_bshift; /* log2(dev_bsize) */ extern int tp_bshift; /* log2(TP_BSIZE) */ /* operator interface functions */ void broadcast(const char *message); void infosch(int); void lastdump(int arg); /* int should be char */ void msg(const char *fmt, ...) __printflike(1, 2); void msgtail(const char *fmt, ...) __printflike(1, 2); int query(const char *question); void quit(const char *fmt, ...) __printflike(1, 2); void timeest(void); time_t unctime(char *str); /* mapping routines */ union dinode; int mapfiles(ino_t maxino, long *tapesize); int mapdirs(ino_t maxino, long *tapesize); /* file dumping routines */ void blkread(ufs2_daddr_t blkno, char *buf, int size); ssize_t cread(int fd, void *buf, size_t nbytes, off_t offset); void dumpino(union dinode *dp, ino_t ino); void dumpmap(char *map, int type, ino_t ino); void writeheader(ino_t ino); /* tape writing routines */ int alloctape(void); void close_rewind(void); void dumpblock(ufs2_daddr_t blkno, int size); void startnewtape(int top); void trewind(void); void writerec(char *dp, int isspcl); void Exit(int status) __dead2; void dumpabort(int signo) __dead2; void dump_getfstab(void); char *rawname(char *cp); union dinode *getino(ino_t inum, int *mode); /* rdump routines */ #ifdef RDUMP void rmtclose(void); int rmthost(const char *host); int rmtopen(const char *tape, int mode); int rmtwrite(const char *buf, int count); #endif /* RDUMP */ void interrupt(int signo); /* in case operator bangs on console */ /* * Exit status codes */ #define X_FINOK 0 /* normal exit */ #define X_STARTUP 1 /* startup error */ #define X_REWRITE 2 /* restart writing from the check point */ #define X_ABORT 3 /* abort dump; don't attempt checkpointing */ #define OPGRENT "operator" /* group entry to notify */ struct fstab *fstabsearch(const char *key); /* search fs_file and fs_spec */ #ifndef NAME_MAX #define NAME_MAX 255 #endif /* * The contents of the file _PATH_DUMPDATES is maintained both on * a linked list, and then (eventually) arrayified. */ struct dumpdates { char dd_name[NAME_MAX+3]; int dd_level; time_t dd_ddate; }; extern int nddates; /* number of records (might be zero) */ extern struct dumpdates **ddatev; /* the arrayfied version */ void initdumptimes(void); void getdumptime(void); void putdumptime(void); #define ITITERATE(i, ddp) \ if (ddatev != NULL) \ for (ddp = ddatev[i = 0]; i < nddates; ddp = ddatev[++i]) #define DUMPFMTLEN 53 /* max device pathname length */ #define DUMPOUTFMT "%-*s %d %s" /* for printf */ /* name, level, ctime(date) */ #define DUMPINFMT "%s %d %[^\n]\n" /* inverse for scanf */ void sig(int signo); #ifndef _PATH_FSTAB #define _PATH_FSTAB "/etc/fstab" #endif
