src/tools/dumpscan/backuphdr.c

   1 /*
   2  * CMUCS AFStools
   3  * dumpscan - routines for scanning and manipulating AFS volume dumps
   4  *
   5  * Copyright (c) 1998 Carnegie Mellon University
   6  * All Rights Reserved.
   7  *
   8  * Permission to use, copy, modify and distribute this software and its
   9  * documentation is hereby granted, provided that both the copyright
  10  * notice and this permission notice appear in all copies of the
  11  * software, derivative works or modified versions, and any portions
  12  * thereof, and that both notices appear in supporting documentation.
  13  *
  14  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
  15  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
  16  * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
  17  *
  18  * Carnegie Mellon requests users of this software to return to
  19  *
  20  *  Software Distribution Coordinator  or  Software_Distribution@CS.CMU.EDU
  21  *  School of Computer Science
  22  *  Carnegie Mellon University
  23  *  Pittsburgh PA 15213-3890
  24  *
  25  * any improvements or extensions that they make and grant Carnegie Mellon
  26  * the rights to redistribute these changes.
  27  */
  28
  29 /* backuphdr.c - Parse and print backup system headers */
  30
  31 #include <stdlib.h>
  32
  33 #include "dumpscan.h"
  34 #include "dumpscan_errs.h"
  35 #include "stagehdr.h"
  36
  37 afs_uint32
  38 try_backuphdr(XFILE * X, char *tag, tagged_field * field, afs_uint32 value,
  39               tag_parse_info * pi, void *g_refcon, void *l_refcon)
  40 {
  41     dump_parser *p = (dump_parser *) g_refcon;
  42     backup_system_header bh;
  43     dt_uint64 where;
  44     afs_uint32 r;
  45
  46     /* Which header should we try (if any)? */
  47     switch (*tag) {
  48     case STAGE_VERSMIN:
  49       r = ParseStageHdr(X, (unsigned char *)tag, &bh);
  50         break;
  51     default:
  52         return DSERR_MAGIC;
  53     }
  54     if (r)
  55         return r;
  56
  57     /* Do something with it... */
  58     if (p->print_flags & DSPRINT_BCKHDR)
  59         PrintBackupHdr(&bh);
  60     if (p->cb_bckhdr) {
  61         r = xftell(X, &where);
  62         if (!r && p->cb_bckhdr)
  63             r = (p->cb_bckhdr) (&bh, X, p->refcon);
  64         if (p->flags & DSFLAG_SEEK) {
  65             if (!r)
  66                 r = xfseek(X, &where);
  67             else
  68                 xfseek(X, &where);
  69         }
  70     }
  71     if (bh.server)
  72         free(bh.server);
  73     if (bh.part)
  74         free(bh.part);
  75     if (bh.volname)
  76         free(bh.volname);
  77     return r;
  78 }
  79
  80
  81 void
  82 PrintBackupHdr(backup_system_header * hdr)
  83 {
  84     time_t from = hdr->from_date, to = hdr->to_date, dd = hdr->dump_date;
  85
  86     printf("* BACKUP SYSTEM HEADER\n");
  87     printf(" Version:    %d\n", hdr->version);
  88     printf(" Volume:     %s (%d)\n", hdr->volname, hdr->volid);
  89     printf(" Location:   %s %s\n", hdr->server, hdr->part);
  90     printf(" Level:      %d\n", hdr->level);
  91     printf(" Range:      %d => %d\n", hdr->from_date, hdr->to_date);
  92     printf("          == %s", ctime(&from));
  93     printf("          => %s", ctime(&to));
  94     printf(" Dump Time:  %d == %s", hdr->dump_date, ctime(&dd));
  95     printf(" Dump Flags: 0x%08x\n", hdr->flags);
  96 #ifdef NATIVE_UINT64
  97     printf(" Length:     %llu\n", hdr->dumplen);
  98 #else
  99     printf(" Length:     %u,%u\n", hdr->dumplen.hi, hdr->dumplen.lo);
 100 #endif
 101     printf(" File Num:   %d\n", hdr->filenum);
 102 }