sbin/dump/dump.h

   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