[1] | 1 | /***************************************************************************
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| 2 | mondostructures.h - description
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| 3 | -------------------
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| 4 | begin : Fri Apr 19 2002
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| 5 | copyright : (C) 2002 by Stan Benoit
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| 6 | email : troff@nakedsoul.org
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[128] | 7 | cvsid : $Id: mondostructures.h 128 2005-11-19 01:27:41Z bcornec $
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[1] | 8 | ***************************************************************************/
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| 9 |
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| 10 | /***************************************************************************
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| 11 | * *
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| 12 | * This program is free software; you can redistribute it and/or modify *
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| 13 | * it under the terms of the GNU General Public License as published by *
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| 14 | * the Free Software Foundation; either version 2 of the License, or *
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| 15 | * (at your option) any later version. *
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| 16 | * *
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| 17 | ***************************************************************************/
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| 18 |
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| 19 |
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| 20 | /**
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| 21 | * @file
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| 22 | * The header file defining all of Mondo's structures.
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| 23 | */
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| 24 |
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| 25 |
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| 26 | /** @def MAX_NOOF_MEDIA The maximum number of media that can be used in any one backup. */
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| 27 |
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| 28 | ///* So we can override it in config.h: */
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| 29 | //#ifndef MAX_NOOF_MEDIA
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| 30 | #define MAX_NOOF_MEDIA 50
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| 31 | //#endif
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| 32 |
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| 33 | /**
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| 34 | * Structure indicating one entry in the mountlist.
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| 35 | * There is one mountlist_line for each device we're keeping track of in the mountlist.
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| 36 | */
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[128] | 37 | struct mountlist_line {
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[1] | 38 | /**
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| 39 | * The name of the device (/dev entry) for this mountlist line. Guaranteed to be unique.
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| 40 | */
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[128] | 41 | char device[64];
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[1] | 42 |
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| 43 | /**
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| 44 | * The mountpoint for this mountlist line. Should be unique.
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| 45 | * This can be "raid", for a RAID subdisk, or "lvm", for an LVM PV.
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| 46 | */
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[128] | 47 | char mountpoint[256];
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[1] | 48 |
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| 49 | /**
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| 50 | * The filesystem type of this entry. Examples: ext2, ext3, reiserfs, xfs, swap.
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| 51 | * Also, this can be "raid", for a RAID subdisk, or "lvm", for an LVM PV.
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| 52 | */
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[128] | 53 | char format[64];
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[1] | 54 |
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| 55 | /**
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| 56 | * The size in kilobytes of this device. 0 or -1 indicates LVM.
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| 57 | */
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[128] | 58 | long long size;
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[1] | 59 |
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| 60 | /**
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| 61 | * For ext2 and ext3, this is the filesystem label (if there is one). If not, this should be "".
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| 62 | */
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[128] | 63 | char label[256];
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[1] | 64 | };
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| 65 |
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| 66 | /**
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| 67 | * The mountlist structure.
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| 68 | * This is used to keep track of a list of all the devices/partitions/formats/sizes/labels in the
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| 69 | * system, so we can recreate them in a nuke restore.
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| 70 | */
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[128] | 71 | struct mountlist_itself {
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[1] | 72 | /**
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| 73 | * Number of entries in the mountlist.
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| 74 | */
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[128] | 75 | int entries;
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[1] | 76 |
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| 77 | /**
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| 78 | * The list of entries, all @p entries of them.
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| 79 | */
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[128] | 80 | struct mountlist_line el[MAX_TAPECATALOG_ENTRIES];
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[1] | 81 | };
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| 82 |
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| 83 | /**
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| 84 | * A structure which holds references to elements of the mountlist.
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| 85 | * This is used in resize_drive_proportionately_to_fit_new_drives() to
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| 86 | * ensure accurate resizing.
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| 87 | */
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[128] | 88 | struct mountlist_reference {
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[1] | 89 | /**
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| 90 | * The number of entries in the list of mountlist references.
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| 91 | */
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[128] | 92 | int entries;
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[1] | 93 |
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| 94 | /**
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| 95 | * The array of mountlist_line, allocated on demand.
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| 96 | */
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[128] | 97 | struct mountlist_line **el;
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[1] | 98 | };
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| 99 |
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| 100 | /**
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| 101 | * A line in @p additional_raid_variables.
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| 102 | */
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[128] | 103 | struct raid_var_line {
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[1] | 104 | /**
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| 105 | * The label for this RAID variable.
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| 106 | */
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[128] | 107 | char label[64];
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[1] | 108 |
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| 109 | /**
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| 110 | * The value for this RAID variable.
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| 111 | */
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[128] | 112 | char value[64];
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[1] | 113 | };
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| 114 |
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| 115 | /**
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| 116 | * The additional RAID variables structure.
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| 117 | * This is used to store a list of additional variables to be put in the raidtab,
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| 118 | * to allow users to use (new) features of RAID which Mondo doesn't (yet) support directly.
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| 119 | * Each @p raid_device_record has one.
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| 120 | */
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[128] | 121 | struct additional_raid_variables {
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[1] | 122 | /**
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| 123 | * The number of entries in the list.
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| 124 | */
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[128] | 125 | int entries;
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[1] | 126 |
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| 127 | /**
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| 128 | * The list of entries, all @p entries of them.
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| 129 | */
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[128] | 130 | struct raid_var_line el[MAXIMUM_ADDITIONAL_RAID_VARS];
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[1] | 131 | };
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| 132 |
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| 133 | /**
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| 134 | * One disk in a @p list_of_disks.
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| 135 | */
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[128] | 136 | struct s_disk {
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[1] | 137 | #ifdef __FreeBSD__
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[128] | 138 | /**
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[1] | 139 | * The name of this disk. If blank it will eventually get filled in automatically.
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| 140 | */
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[128] | 141 | char name[64];
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[1] | 142 | #endif
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| 143 | /**
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| 144 | * The device this entry describes.
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| 145 | */
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[128] | 146 | char device[64];
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[1] | 147 |
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| 148 | /**
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| 149 | * Index number of this entry in the whole disklist.
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| 150 | */
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[128] | 151 | int index;
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[1] | 152 | };
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| 153 |
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| 154 | /**
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| 155 | * A list of @p s_disk. Every @p raid_device_record has four.
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| 156 | */
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[128] | 157 | struct list_of_disks {
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[1] | 158 | /**
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| 159 | * The number of entries in the disklist.
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| 160 | */
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[128] | 161 | int entries;
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[1] | 162 |
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| 163 | /**
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| 164 | * The entries themselves, all @p entries of them.
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| 165 | */
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[128] | 166 | struct s_disk el[MAXIMUM_DISKS_PER_RAID_DEV];
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[1] | 167 | };
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| 168 |
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| 169 | /**
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| 170 | * A type of media we're backing up to.
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| 171 | */
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[128] | 172 | typedef enum { none = 0, ///< No type has been set yet.
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| 173 | iso, ///< Back up to ISO images.
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| 174 | cdr, ///< Back up to recordable CDs (do not erase them).
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| 175 | cdrw, ///< Back up to CD-RWs and blank them first.
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| 176 | dvd, ///< Back up to DVD+R[W] or DVD-R[W] disks.
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| 177 | cdstream, ///< Back up to recordable CDs but treat them like a tape streamer.
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| 178 | nfs, ///< Back up to an NFS mount on the local subnet.
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| 179 | tape, ///< Back up to tapes.
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| 180 | udev ///< Back up to another unsupported device; just send a stream of bytes.
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| 181 | } t_bkptype;
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[1] | 182 |
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| 183 | /**
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| 184 | * A type of file in the catalog of recent archives.
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| 185 | */
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[128] | 186 | typedef enum { other, ///< Some other kind of file.
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| 187 | fileset, ///< An afioball (fileset), optionally compressed.
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| 188 | biggieslice ///< A slice of a biggiefile, optionally compressed.
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| 189 | } t_archtype;
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[1] | 190 |
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| 191 |
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| 192 | #ifdef __FreeBSD__
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| 193 |
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[128] | 194 | struct vinum_subdisk {
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| 195 | char which_device[64];
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| 196 | };
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[1] | 197 |
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[128] | 198 | struct vinum_plex {
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| 199 | int raidlevel;
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| 200 | int stripesize;
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| 201 | int subdisks;
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| 202 | struct vinum_subdisk sd[MAXIMUM_RAID_DEVS];
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| 203 | };
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| 204 |
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| 205 | struct vinum_volume {
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| 206 | char volname[64];
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| 207 | int plexes;
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| 208 | struct vinum_plex plex[9];
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| 209 | };
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| 210 |
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| 211 | struct raidlist_itself {
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| 212 | int entries;
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| 213 | struct list_of_disks spares;
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| 214 | struct list_of_disks disks;
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| 215 | struct vinum_volume el[MAXIMUM_RAID_DEVS];
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| 216 | };
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| 217 |
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[1] | 218 | #else
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| 219 |
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[128] | 220 | /**
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[1] | 221 | * A RAID device in the raidlist.
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| 222 | */
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[128] | 223 | struct raid_device_record {
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[1] | 224 | /**
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| 225 | * The name of the RAID device (e.g. /dev/md0).
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| 226 | */
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[128] | 227 | char raid_device[64];
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[1] | 228 |
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| 229 | /**
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| 230 | * The RAID level (-1 to 5) we're using.
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| 231 | */
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[128] | 232 | int raid_level;
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[1] | 233 |
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| 234 | /**
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| 235 | * Whether the disk has a persistent superblock.
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| 236 | */
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[128] | 237 | int persistent_superblock;
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[1] | 238 |
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| 239 | /**
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| 240 | * The chunk size of this RAID device.
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| 241 | */
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[128] | 242 | int chunk_size;
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[1] | 243 |
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| 244 | /**
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| 245 | * A list of the disks to use for storing data.
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| 246 | */
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[128] | 247 | struct list_of_disks data_disks;
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[1] | 248 |
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| 249 | /**
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| 250 | * A list of the disks to use as "hot spares" in case one dies.
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| 251 | */
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[128] | 252 | struct list_of_disks spare_disks;
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[1] | 253 |
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| 254 | /**
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| 255 | * A list of the disks to use for storing parity information.
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| 256 | */
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[128] | 257 | struct list_of_disks parity_disks;
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[1] | 258 |
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| 259 | /**
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| 260 | * A list of the disks in this RAID device that have failed\. Rare.
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| 261 | */
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[128] | 262 | struct list_of_disks failed_disks;
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[1] | 263 |
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| 264 | /**
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| 265 | * The additional RAID variables for this device.
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| 266 | */
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[128] | 267 | struct additional_raid_variables additional_vars;
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| 268 | };
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[1] | 269 |
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[128] | 270 | /**
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[1] | 271 | * The list of RAID devices.
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| 272 | * This is intended to be used along with the mountlist, and it can be
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| 273 | * directly loaded from/saved to raidtab format.
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| 274 | */
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[128] | 275 | struct raidlist_itself {
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[1] | 276 | /**
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| 277 | * The number of entries in the list.
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| 278 | */
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[128] | 279 | int entries;
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[1] | 280 |
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| 281 | /**
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| 282 | * The RAID devices in the raidlist, all @p entries of them.
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| 283 | */
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[128] | 284 | struct raid_device_record el[MAXIMUM_RAID_DEVS];
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| 285 | };
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[1] | 286 |
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| 287 | #endif
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| 288 |
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| 289 | /**
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| 290 | * The backup information structure.
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| 291 | *
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| 292 | * This is the central structure to all the activity going on inside Mondo.
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| 293 | * It is passed to almost every function that is not just a helper, even those
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| 294 | * which only use one variable of it, because it is useful keeping all the information
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| 295 | * together in one place. The usage of particular fields in the bkpinfo is marked in
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| 296 | * function documentation, but it is best to fill out as many fields as apply, because
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| 297 | * that function may in turn pass the bkpinfo to other functions which use other fields.
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| 298 | *
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| 299 | * To fill out the bkpinfo first call reset_bkpinfo() and pre_param_configuration(). Then set
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| 300 | * the backup-specific parameters (see mondo/mondoarchive/mondo-cli.c-\>process_switches for
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| 301 | * an example). After that, you should call post_param_configuration() to set some final
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| 302 | * parameters based on those you have already set. Failure to do the last step will result in
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| 303 | * extremely strange and hard-to-track errors in chop_filelist(), since optimal_set_size is 0.
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| 304 | */
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[128] | 305 | struct s_bkpinfo {
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[1] | 306 | /**
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| 307 | * The device we're backing up to.
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| 308 | * If backup_media_type is @b cdr, @b cdrw, or @b cdstream, this should be the SCSI node (e.g. 0,1,0).
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| 309 | * If backup_media_type is @b dvd, @b tape, or @b udev, this should be a /dev entry.
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| 310 | * If backup_media_type is anything else, this should be blank.
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| 311 | */
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[128] | 312 | char media_device[MAX_STR_LEN / 4];
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[1] | 313 |
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| 314 | /**
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| 315 | * An array containing the sizes of each media in our backup set, in MB.
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| 316 | * For example, media 1's size would be stored in media_size[1].
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| 317 | * Element 0 is unused.
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| 318 | * If the size should be autodetected, make it -1 (preferable) or 0.
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| 319 | * @bug This should probably be only one variable, not an array.
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| 320 | */
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[128] | 321 | long media_size[MAX_NOOF_MEDIA + 1];
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[1] | 322 |
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| 323 | /**
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| 324 | * The boot loader that is installed. Available choices are:
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| 325 | * - 'G' for GRUB
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| 326 | * - 'L' for LILO
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| 327 | * - 'E' for ELILO
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| 328 | * - (FreeBSD only) 'B' for boot0
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| 329 | * - (FreeBSD only) 'D' for dangerously dedicated
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| 330 | * - 'R' for Raw
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| 331 | * - 'U' for Unknown or None
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| 332 | *
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| 333 | * The function which_boot_loader() can help you set this.
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| 334 | */
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[128] | 335 | char boot_loader;
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[1] | 336 |
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| 337 | /**
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| 338 | * The boot device on which @p boot_loader is installed.
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| 339 | * This is a bit difficult to autodetect; you may want
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| 340 | * to take truncate_to_drive_name() of where_is_root_mounted().
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| 341 | */
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[128] | 342 | char boot_device[MAX_STR_LEN / 4];
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[1] | 343 |
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| 344 | /**
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| 345 | * The compression program to use. Currently supported
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| 346 | * choices are lzop and bzip2; gzip may also work. This is ignored if
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| 347 | * compression_level is 0.
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| 348 | */
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[128] | 349 | char zip_exe[MAX_STR_LEN / 4];
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[1] | 350 |
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| 351 | /**
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| 352 | * The extension your compression program uses. lzop uses lzo, bzip uses
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| 353 | * bz2, gzip uses gz, etc. Do not include the dot.
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| 354 | */
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[128] | 355 | char zip_suffix[MAX_STR_LEN / 4];
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[1] | 356 |
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| 357 | /**
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| 358 | * Devices to back up as biggiefiles.
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| 359 | *
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| 360 | * This is useful for backing up NTFS partitions.
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| 361 | * @c partimage is used to back up only the used sectors, so the space tradeoff is not bad.
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| 362 | * However, several caveats apply to such a partition:
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| 363 | * - It must not be mounted during the backup
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| 364 | * - It must be in a format that partimage knows how to handle
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| 365 | * - It cannot be verified during the verify or compare phase
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| 366 | * - It may not be resized or selectively restored at restore-time (all or nothing)
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| 367 | *
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| 368 | * This is a useful feature, but use at your own risk.
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| 369 | */
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[128] | 370 | char image_devs[MAX_STR_LEN / 4];
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[1] | 371 |
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| 372 | /**
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| 373 | * The compression level (1-9) to use. 0 disables compression.
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| 374 | */
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[128] | 375 | int compression_level;
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[1] | 376 |
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| 377 | /**
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| 378 | * If TRUE, then use @c lzop to compress data.
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| 379 | * This is used mainly in estimates. The backup/restore may or may
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| 380 | * not work if you do not set this. You should also set @p zip_exe
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| 381 | * and @p zip_suffix.
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| 382 | */
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[128] | 383 | bool use_lzo;
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[1] | 384 |
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| 385 | /**
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| 386 | * A filename containing a list of extensions, one per line, to not
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| 387 | * compress. If this is set to "", afio will still exclude a set of well-known
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| 388 | * compressed files from compression, but biggiefiles that are compressed
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| 389 | * will be recompressed again.
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| 390 | */
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[128] | 391 | char do_not_compress_these[MAX_STR_LEN / 2];
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[1] | 392 |
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| 393 | /**
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| 394 | * If TRUE, then we should verify a backup.
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| 395 | */
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[128] | 396 | bool verify_data;
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[1] | 397 |
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| 398 | /**
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| 399 | * If TRUE, then we should back up some data.
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| 400 | */
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[128] | 401 | bool backup_data;
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[1] | 402 |
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| 403 | /**
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| 404 | * If TRUE, then we should restore some data.
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| 405 | */
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[128] | 406 | bool restore_data;
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[1] | 407 |
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[128] | 408 |
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[1] | 409 | /**
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| 410 | * If TRUE, then we should backup/restore using star, not afio
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| 411 | */
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[128] | 412 | bool use_star;
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[1] | 413 |
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[128] | 414 |
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[1] | 415 | /**
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| 416 | * Size of internal block reads/writes
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| 417 | */
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[128] | 418 | long internal_tape_block_size;
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| 419 |
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[1] | 420 | /**
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| 421 | * If TRUE, we're making a CD that will autonuke without confirmation when booted.
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| 422 | */
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[128] | 423 | bool disaster_recovery;
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[1] | 424 |
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| 425 | /**
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| 426 | * The directory we're backing up to.
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| 427 | * If backup_media_type is @b iso, then this is that directory.
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| 428 | * If backup_media_type is anything else, this is ignored.
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| 429 | */
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[128] | 430 | char isodir[MAX_STR_LEN / 4];
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[1] | 431 |
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[20] | 432 | /**
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| 433 | * The prefix to put in front of media number
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| 434 | * If backup_media_type is @b iso, then this is the prefix for the filename
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| 435 | * If backup_media_type is anything else, this is ignored.
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| 436 | */
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[128] | 437 | char prefix[MAX_STR_LEN / 4];
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[20] | 438 |
|
---|
[1] | 439 | /**
|
---|
| 440 | * The scratch directory to use.
|
---|
| 441 | * This is the "stage" that the CD image is made directly from.
|
---|
| 442 | * As such, it needs to be at least as large as the largest CD/DVD/ISO.
|
---|
| 443 | */
|
---|
[128] | 444 | char scratchdir[MAX_STR_LEN / 4];
|
---|
[1] | 445 |
|
---|
| 446 | /**
|
---|
| 447 | * The temp directory to use.
|
---|
| 448 | * This is where filesets are stored by the archival threads before
|
---|
| 449 | * the main thread moves them to the scratchdir. You don't need a lot
|
---|
| 450 | * of space here.
|
---|
| 451 | */
|
---|
[128] | 452 | char tmpdir[MAX_STR_LEN / 4];
|
---|
[1] | 453 |
|
---|
| 454 | /**
|
---|
| 455 | * The optimal size for each fileset. This is set automatically in
|
---|
| 456 | * post_param_configuration() based on your @p backup_media_type; you
|
---|
| 457 | * needn't set it yourself.
|
---|
| 458 | */
|
---|
[128] | 459 | long optimal_set_size;
|
---|
[1] | 460 |
|
---|
| 461 | /**
|
---|
| 462 | * The type of media we're backing up to.
|
---|
| 463 | */
|
---|
[128] | 464 | t_bkptype backup_media_type;
|
---|
[1] | 465 | // bool blank_dvd_first;
|
---|
| 466 |
|
---|
| 467 | /**
|
---|
| 468 | * Whether we should use a premade filelist or generate our own.
|
---|
| 469 | * If TRUE, then we generate our own filelist from the directories in @p include_paths.
|
---|
| 470 | * If FALSE, then we use the filelist whose name is specified in @p include_paths.
|
---|
| 471 | */
|
---|
[128] | 472 | bool make_filelist;
|
---|
[1] | 473 |
|
---|
| 474 | /**
|
---|
| 475 | * Directories to back up, or (if !make_filelist) the filelist to use.
|
---|
| 476 | * In the former case, multiple directories should be separated by spaces.
|
---|
| 477 | * If you do nothing, "/" will be used.
|
---|
| 478 | */
|
---|
[128] | 479 | char include_paths[MAX_STR_LEN];
|
---|
[1] | 480 |
|
---|
| 481 | /**
|
---|
| 482 | * Directories to NOT back up. Ignored if make_filelist == FALSE.
|
---|
| 483 | * Multiple directories should be separated by spaces. /tmp, /proc,
|
---|
| 484 | * the scratchdir, and the tempdir are automatically excluded.
|
---|
| 485 | */
|
---|
[128] | 486 | char exclude_paths[MAX_STR_LEN];
|
---|
[1] | 487 |
|
---|
| 488 | /**
|
---|
| 489 | * The path to restore files relative to during a restore.
|
---|
| 490 | * This is useful if you want to extract the files (to test, for example)
|
---|
| 491 | * without overwriting the old ones. Ignored during a backup.
|
---|
| 492 | */
|
---|
[128] | 493 | char restore_path[MAX_STR_LEN];
|
---|
[1] | 494 |
|
---|
| 495 | /**
|
---|
| 496 | * A command to call BEFORE making an ISO image.
|
---|
| 497 | */
|
---|
[128] | 498 | char call_before_iso[MAX_STR_LEN];
|
---|
[1] | 499 |
|
---|
| 500 | /**
|
---|
| 501 | * A command to call to make an ISO image.
|
---|
| 502 | */
|
---|
[128] | 503 | char call_make_iso[MAX_STR_LEN];
|
---|
[1] | 504 |
|
---|
| 505 | /**
|
---|
| 506 | * A command to call to burn the ISO image.
|
---|
| 507 | */
|
---|
[128] | 508 | char call_burn_iso[MAX_STR_LEN];
|
---|
[1] | 509 |
|
---|
| 510 | /**
|
---|
| 511 | * A command to call AFTER making an ISO image.
|
---|
| 512 | */
|
---|
[128] | 513 | char call_after_iso[MAX_STR_LEN];
|
---|
[1] | 514 |
|
---|
| 515 | /**
|
---|
| 516 | * Path to the user's kernel, or "FAILSAFE" or "SUCKS" to use the kernel
|
---|
| 517 | * included with Mindi.
|
---|
| 518 | */
|
---|
[128] | 519 | char kernel_path[MAX_STR_LEN];
|
---|
[1] | 520 |
|
---|
| 521 | /**
|
---|
| 522 | * The NFS mount to back up to/restore from.
|
---|
| 523 | * If backup_media_type is not @b nfs, this is ignored.
|
---|
| 524 | * It must contain a colon, and the server's address should be in dotted-decimal IP
|
---|
| 525 | * address form. (Domain names will be resolved in post_param_configuration().)
|
---|
| 526 | */
|
---|
[128] | 527 | char nfs_mount[MAX_STR_LEN];
|
---|
[1] | 528 |
|
---|
| 529 | /**
|
---|
| 530 | * The directory, relative to the root of @p nfs_mount, to put
|
---|
| 531 | * the backups in.
|
---|
| 532 | */
|
---|
[128] | 533 | char nfs_remote_dir[MAX_STR_LEN];
|
---|
[1] | 534 |
|
---|
| 535 | /**
|
---|
| 536 | * A tarball containing a program called "usr/bin/post-nuke" that will be run
|
---|
| 537 | * after nuking the system. If "", do not use a post-nuke tarball.
|
---|
| 538 | */
|
---|
[128] | 539 | char postnuke_tarball[MAX_STR_LEN];
|
---|
[1] | 540 |
|
---|
| 541 | /**
|
---|
| 542 | * If TRUE, then pass cdrecord the argument "blank=fast" to wipe the CDs before
|
---|
| 543 | * writing to them. This has no effect for DVDs.
|
---|
| 544 | */
|
---|
[128] | 545 | bool wipe_media_first;
|
---|
[1] | 546 |
|
---|
| 547 | // patch by Herman Kuster
|
---|
| 548 | /**
|
---|
| 549 | * The differential level of this backup. Currently only 0 (full backup) and 1
|
---|
| 550 | * (files changed since last full backup) are supported.
|
---|
| 551 | */
|
---|
[128] | 552 | int differential;
|
---|
[1] | 553 | // end patch
|
---|
| 554 |
|
---|
| 555 | /**
|
---|
| 556 | * If TRUE, then don't eject media when backing up or restoring.
|
---|
| 557 | */
|
---|
[128] | 558 | bool please_dont_eject;
|
---|
[1] | 559 |
|
---|
| 560 | /**
|
---|
| 561 | * The speed of the CD-R[W] drive.
|
---|
| 562 | */
|
---|
[128] | 563 | int cdrw_speed;
|
---|
[1] | 564 |
|
---|
| 565 | /**
|
---|
| 566 | * If TRUE, then cdrecord will be passed some flags to help compensate for PCs
|
---|
| 567 | * with eccentric CD-ROM drives. If it has BurnProof technology, or is in a laptop,
|
---|
| 568 | * it probably falls into this category.
|
---|
| 569 | */
|
---|
[128] | 570 | bool manual_cd_tray;
|
---|
[1] | 571 |
|
---|
| 572 | /**
|
---|
| 573 | * If TRUE, do not make the first CD bootable. This is dangerous but it saves a minute
|
---|
| 574 | * or so. It is useful in testing. Use with care.
|
---|
| 575 | */
|
---|
[128] | 576 | bool nonbootable_backup;
|
---|
[1] | 577 |
|
---|
| 578 | /**
|
---|
| 579 | * If TRUE, make the bootable CD use LILO/ELILO. If FALSE, use isolinux (the default).
|
---|
| 580 | */
|
---|
[128] | 581 | bool make_cd_use_lilo;
|
---|
[1] | 582 | };
|
---|
| 583 |
|
---|
| 584 |
|
---|
| 585 |
|
---|
| 586 | /**
|
---|
| 587 | * A node in a directory structure.
|
---|
| 588 | * Its internals are managed by load_filelist() et al; you only need to keep track of the top node.
|
---|
| 589 | * @bug My understanding of this structure is horrendously incomplete. Could you please fill in the details?
|
---|
| 590 | */
|
---|
[128] | 591 | struct s_node {
|
---|
[1] | 592 | /**
|
---|
| 593 | * The character this node contains.
|
---|
| 594 | */
|
---|
[128] | 595 | char ch;
|
---|
[1] | 596 |
|
---|
| 597 | /**
|
---|
| 598 | * The node to the right of this one.
|
---|
| 599 | */
|
---|
[128] | 600 | struct s_node *right;
|
---|
[1] | 601 |
|
---|
| 602 | /**
|
---|
| 603 | * The node below this one.
|
---|
| 604 | */
|
---|
[128] | 605 | struct s_node *down;
|
---|
[1] | 606 |
|
---|
| 607 | /**
|
---|
| 608 | * If TRUE, then this node is selected (for restore, for example).
|
---|
| 609 | */
|
---|
[128] | 610 | bool selected;
|
---|
[1] | 611 |
|
---|
| 612 | /**
|
---|
| 613 | * If TRUE, then we want to see the directories below this one.
|
---|
| 614 | */
|
---|
[128] | 615 | bool expanded;
|
---|
[1] | 616 | };
|
---|
| 617 |
|
---|
| 618 |
|
---|
| 619 |
|
---|
| 620 | /**
|
---|
| 621 | * A structure to wrap a FIFO device for writing to a tape/CD stream.
|
---|
| 622 | * @bug Is this structure used (w/the move to a standalone @c buffer and all)?
|
---|
| 623 | */
|
---|
| 624 | struct s_wrapfifo {
|
---|
[128] | 625 | /**
|
---|
[1] | 626 | * The device we write to or read from (a FIFO).
|
---|
| 627 | */
|
---|
[128] | 628 | char public_device[MAX_STR_LEN / 4];
|
---|
[1] | 629 |
|
---|
[128] | 630 | /**
|
---|
[1] | 631 | * The actual device that data from the FIFO should be buffered and written to.
|
---|
| 632 | */
|
---|
[128] | 633 | char private_device[MAX_STR_LEN / 4];
|
---|
[1] | 634 |
|
---|
[128] | 635 | /**
|
---|
[1] | 636 | * A buffer for holding data read from the FIFO.
|
---|
| 637 | */
|
---|
[128] | 638 | char internal_buffer_IN_fifo[MAX_STR_LEN / 4];
|
---|
[1] | 639 |
|
---|
[128] | 640 | /**
|
---|
[1] | 641 | * A buffer for holding data to be written to the FIFO.
|
---|
| 642 | */
|
---|
[128] | 643 | char internal_buffer_OUT_fifo[MAX_STR_LEN / 4];
|
---|
[1] | 644 |
|
---|
[128] | 645 | /**
|
---|
[1] | 646 | * If TRUE, then we're writing directly to the tape streamer; if FALSE, we're writing to the FIFO.
|
---|
| 647 | */
|
---|
| 648 | bool writing_to_private_device;
|
---|
| 649 | };
|
---|
| 650 |
|
---|
| 651 |
|
---|
| 652 |
|
---|
| 653 | /**
|
---|
| 654 | * Information about one file.
|
---|
| 655 | * This is used as the "zeroth slice" of a biggiefile to be able to recreate
|
---|
| 656 | * its name, mode, owner, group, mtime, atime, and to be able to verify it in Compare Mode.
|
---|
| 657 | */
|
---|
| 658 | struct s_filename_and_lstat_info {
|
---|
[128] | 659 | /**
|
---|
[1] | 660 | * The filename of the file this structure is describing.
|
---|
| 661 | */
|
---|
| 662 | char filename[MAX_STR_LEN];
|
---|
| 663 |
|
---|
[128] | 664 | /**
|
---|
[1] | 665 | * The MD5 checksum (32 hex digits) of this file.
|
---|
| 666 | */
|
---|
| 667 | char checksum[64];
|
---|
| 668 |
|
---|
[128] | 669 | /**
|
---|
[1] | 670 | * Unused; kept for backwards compatibility.
|
---|
| 671 | */
|
---|
| 672 | char for_backward_compatibility;
|
---|
| 673 |
|
---|
[128] | 674 | /**
|
---|
[1] | 675 | * The stat buffer for this file.
|
---|
| 676 | * Generated with a call to <tt>lstat(&(struc->properties))</tt> where @p struc
|
---|
| 677 | * is the @p s_filename_and_lstat_info.
|
---|
| 678 | */
|
---|
| 679 | struct stat properties;
|
---|
| 680 | bool use_partimagehack;
|
---|
| 681 | };
|
---|
| 682 |
|
---|
| 683 |
|
---|
| 684 | /**
|
---|
| 685 | * A file with associated severity if it differed in a verify or compare.
|
---|
| 686 | */
|
---|
| 687 | struct s_filelist_entry {
|
---|
[128] | 688 | /**
|
---|
[1] | 689 | * The name of the file.
|
---|
| 690 | */
|
---|
| 691 | char filename[MAX_STR_LEN];
|
---|
[128] | 692 | /**
|
---|
[1] | 693 | * The severity if the file has changed between the backup and live filesystem.
|
---|
| 694 | * This is on a scale from 1 to 3, 3 being the most important. File patterns which cause
|
---|
| 695 | * a severity of 1 are:
|
---|
| 696 | * - /etc/adjtime
|
---|
| 697 | * - /etc/mtab
|
---|
| 698 | * - /var/lib/slocate
|
---|
| 699 | * - /var/lock
|
---|
| 700 | * - /var/log
|
---|
| 701 | * - /var/spool (except /var/spool/mail)
|
---|
| 702 | * - /var/run
|
---|
| 703 | * - *~
|
---|
| 704 | * - *.log
|
---|
| 705 | * - *cache*
|
---|
| 706 | * - other temporary or unimportant files
|
---|
| 707 | *
|
---|
| 708 | * File patterns which cause a severity of 2 are:
|
---|
| 709 | * - /var (except /var/lock, /var/log, /var/run, /var/spool)
|
---|
| 710 | * - /home
|
---|
| 711 | * - /root/.*
|
---|
| 712 | * - /var/lib (except /var/lib/slocate, /var/lib/rpm)
|
---|
| 713 | * - /var/spool/mail
|
---|
| 714 | *
|
---|
| 715 | * File patterns which cause a severity of 3 are:
|
---|
| 716 | * - /etc (except /etc/adjtime, /etc/mtab)
|
---|
| 717 | * - /root (except /root/.*)
|
---|
| 718 | * - /usr
|
---|
| 719 | * - /var/lib/rpm
|
---|
| 720 | * - Anything else not matched explicitly
|
---|
| 721 | *
|
---|
| 722 | * @see severity_of_difference
|
---|
| 723 | */
|
---|
[128] | 724 | int severity;
|
---|
[1] | 725 | };
|
---|
| 726 |
|
---|
| 727 |
|
---|
| 728 | /**
|
---|
| 729 | * A list of @c s_filelist_entry.
|
---|
| 730 | */
|
---|
| 731 | struct s_filelist {
|
---|
[128] | 732 | /**
|
---|
[1] | 733 | * The number of entries in the list.
|
---|
| 734 | */
|
---|
[128] | 735 | int entries;
|
---|
[1] | 736 |
|
---|
[128] | 737 | /**
|
---|
[1] | 738 | * The entries themselves, all @p entries of them.
|
---|
| 739 | */
|
---|
| 740 | struct s_filelist_entry el[ARBITRARY_MAXIMUM];
|
---|
| 741 | };
|
---|
| 742 |
|
---|
| 743 |
|
---|
| 744 | /**
|
---|
| 745 | * An entry in the tape catalog.
|
---|
| 746 | */
|
---|
| 747 | struct s_tapecat_entry {
|
---|
[128] | 748 | /**
|
---|
[1] | 749 | * The type of archive it is (afioball, slice, or something else).
|
---|
| 750 | */
|
---|
| 751 | t_archtype type;
|
---|
| 752 |
|
---|
[128] | 753 | /**
|
---|
[1] | 754 | * The filelist number or biggiefile (not slice!) number.
|
---|
| 755 | */
|
---|
| 756 | int number;
|
---|
| 757 |
|
---|
[128] | 758 | /**
|
---|
[1] | 759 | * The slice number if it's a biggiefile.
|
---|
| 760 | */
|
---|
| 761 | long aux;
|
---|
| 762 |
|
---|
[128] | 763 | /**
|
---|
[1] | 764 | * The tape position at the point this entry was added.
|
---|
| 765 | */
|
---|
| 766 | long long tape_posK;
|
---|
| 767 |
|
---|
[128] | 768 | /**
|
---|
[1] | 769 | * The filename of the file cataloged here.
|
---|
| 770 | */
|
---|
[128] | 771 | char fname[MAX_TAPECAT_FNAME_LEN + 1];
|
---|
[1] | 772 | };
|
---|
| 773 |
|
---|
| 774 |
|
---|
| 775 | /**
|
---|
| 776 | * A tape catalog, made of a list of @p s_tapecat_entry.
|
---|
| 777 | */
|
---|
| 778 | struct s_tapecatalog {
|
---|
[128] | 779 | /**
|
---|
[1] | 780 | * The number of entries in the tape catalog.
|
---|
| 781 | */
|
---|
| 782 | int entries;
|
---|
| 783 |
|
---|
[128] | 784 | /**
|
---|
[1] | 785 | * The entries themselves, all @p entries of them.
|
---|
| 786 | */
|
---|
| 787 | struct s_tapecat_entry el[MAX_TAPECATALOG_ENTRIES];
|
---|
| 788 | };
|
---|
| 789 |
|
---|
| 790 |
|
---|
| 791 |
|
---|
| 792 | struct s_mdrec {
|
---|
[128] | 793 | int md; // /dev/mdN
|
---|
| 794 | int raidlevel; // 0, 1, 5
|
---|
[1] | 795 | struct list_of_disks disks;
|
---|
| 796 | int progress;
|
---|
| 797 | };
|
---|
| 798 |
|
---|
| 799 | struct s_mdstat {
|
---|
| 800 | int entries;
|
---|
| 801 | struct s_mdrec el[MAXIMUM_RAID_DEVS];
|
---|
| 802 | };
|
---|