[1] | 1 | /***************************************************************************
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[171] | 2 | * $Id: mondostructures.h 300 2006-01-11 13:20:38Z bcornec $
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| 3 | *
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[1] | 4 | * @file
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| 5 | * The header file defining all of Mondo's structures.
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| 6 | */
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| 7 |
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| 8 |
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[122] | 9 | /* @def MAX_NOOF_MEDIA The maximum number of media that can be used in any one backup. */
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[1] | 10 |
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[122] | 11 | /* So we can override it in config.h: */
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[1] | 12 | //#ifndef MAX_NOOF_MEDIA
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| 13 | #define MAX_NOOF_MEDIA 50
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| 14 | //#endif
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| 15 |
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| 16 | /**
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| 17 | * Structure indicating one entry in the mountlist.
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| 18 | * There is one mountlist_line for each device we're keeping track of in the mountlist.
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| 19 | */
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[59] | 20 | struct mountlist_line {
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[1] | 21 | /**
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| 22 | * The name of the device (/dev entry) for this mountlist line. Guaranteed to be unique.
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| 23 | */
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[59] | 24 | char device[64];
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[1] | 25 |
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| 26 | /**
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| 27 | * The mountpoint for this mountlist line. Should be unique.
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| 28 | * This can be "raid", for a RAID subdisk, or "lvm", for an LVM PV.
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| 29 | */
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[59] | 30 | char mountpoint[256];
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[1] | 31 |
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| 32 | /**
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| 33 | * The filesystem type of this entry. Examples: ext2, ext3, reiserfs, xfs, swap.
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| 34 | * Also, this can be "raid", for a RAID subdisk, or "lvm", for an LVM PV.
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| 35 | */
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[59] | 36 | char format[64];
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[1] | 37 |
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| 38 | /**
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| 39 | * The size in kilobytes of this device. 0 or -1 indicates LVM.
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| 40 | */
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[59] | 41 | long long size;
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[1] | 42 |
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| 43 | /**
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| 44 | * For ext2 and ext3, this is the filesystem label (if there is one). If not, this should be "".
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| 45 | */
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[59] | 46 | char label[256];
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[1] | 47 | };
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| 48 |
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| 49 | /**
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| 50 | * The mountlist structure.
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| 51 | * This is used to keep track of a list of all the devices/partitions/formats/sizes/labels in the
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| 52 | * system, so we can recreate them in a nuke restore.
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| 53 | */
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[59] | 54 | struct mountlist_itself {
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[1] | 55 | /**
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| 56 | * Number of entries in the mountlist.
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| 57 | */
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[59] | 58 | int entries;
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[1] | 59 |
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| 60 | /**
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| 61 | * The list of entries, all @p entries of them.
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| 62 | */
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[59] | 63 | struct mountlist_line el[MAX_TAPECATALOG_ENTRIES];
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[1] | 64 | };
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| 65 |
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| 66 | /**
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| 67 | * A structure which holds references to elements of the mountlist.
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| 68 | * This is used in resize_drive_proportionately_to_fit_new_drives() to
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| 69 | * ensure accurate resizing.
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| 70 | */
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[59] | 71 | struct mountlist_reference {
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[1] | 72 | /**
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| 73 | * The number of entries in the list of mountlist references.
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| 74 | */
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[59] | 75 | int entries;
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[1] | 76 |
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| 77 | /**
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| 78 | * The array of mountlist_line, allocated on demand.
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| 79 | */
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[59] | 80 | struct mountlist_line **el;
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[1] | 81 | };
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| 82 |
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| 83 | /**
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| 84 | * A line in @p additional_raid_variables.
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| 85 | */
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[59] | 86 | struct raid_var_line {
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[1] | 87 | /**
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| 88 | * The label for this RAID variable.
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| 89 | */
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[59] | 90 | char label[64];
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[1] | 91 |
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| 92 | /**
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| 93 | * The value for this RAID variable.
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| 94 | */
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[59] | 95 | char value[64];
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[1] | 96 | };
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| 97 |
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| 98 | /**
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| 99 | * The additional RAID variables structure.
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| 100 | * This is used to store a list of additional variables to be put in the raidtab,
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| 101 | * to allow users to use (new) features of RAID which Mondo doesn't (yet) support directly.
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| 102 | * Each @p raid_device_record has one.
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| 103 | */
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[59] | 104 | struct additional_raid_variables {
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[1] | 105 | /**
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| 106 | * The number of entries in the list.
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| 107 | */
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[59] | 108 | int entries;
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[1] | 109 |
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| 110 | /**
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| 111 | * The list of entries, all @p entries of them.
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| 112 | */
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[59] | 113 | struct raid_var_line el[MAXIMUM_ADDITIONAL_RAID_VARS];
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[1] | 114 | };
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| 115 |
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| 116 | /**
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| 117 | * One disk in a @p list_of_disks.
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| 118 | */
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[59] | 119 | struct s_disk {
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[1] | 120 | #ifdef __FreeBSD__
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[59] | 121 | /**
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[1] | 122 | * The name of this disk. If blank it will eventually get filled in automatically.
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| 123 | */
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[59] | 124 | char name[64];
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[1] | 125 | #endif
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| 126 | /**
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| 127 | * The device this entry describes.
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| 128 | */
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[59] | 129 | char device[64];
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[1] | 130 |
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| 131 | /**
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| 132 | * Index number of this entry in the whole disklist.
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| 133 | */
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[59] | 134 | int index;
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[1] | 135 | };
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| 136 |
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| 137 | /**
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| 138 | * A list of @p s_disk. Every @p raid_device_record has four.
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| 139 | */
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[59] | 140 | struct list_of_disks {
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[1] | 141 | /**
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| 142 | * The number of entries in the disklist.
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| 143 | */
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[59] | 144 | int entries;
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[1] | 145 |
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| 146 | /**
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| 147 | * The entries themselves, all @p entries of them.
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| 148 | */
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[59] | 149 | struct s_disk el[MAXIMUM_DISKS_PER_RAID_DEV];
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[1] | 150 | };
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| 151 |
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| 152 | /**
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| 153 | * A type of media we're backing up to.
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| 154 | */
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[59] | 155 | typedef enum { none = 0, ///< No type has been set yet.
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| 156 | iso, ///< Back up to ISO images.
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| 157 | cdr, ///< Back up to recordable CDs (do not erase them).
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| 158 | cdrw, ///< Back up to CD-RWs and blank them first.
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| 159 | dvd, ///< Back up to DVD+R[W] or DVD-R[W] disks.
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| 160 | cdstream, ///< Back up to recordable CDs but treat them like a tape streamer.
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| 161 | nfs, ///< Back up to an NFS mount on the local subnet.
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| 162 | tape, ///< Back up to tapes.
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| 163 | udev ///< Back up to another unsupported device; just send a stream of bytes.
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| 164 | } t_bkptype;
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[1] | 165 |
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| 166 | /**
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| 167 | * A type of file in the catalog of recent archives.
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| 168 | */
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[59] | 169 | typedef enum { other, ///< Some other kind of file.
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| 170 | fileset, ///< An afioball (fileset), optionally compressed.
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| 171 | biggieslice ///< A slice of a biggiefile, optionally compressed.
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| 172 | } t_archtype;
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[1] | 173 |
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| 174 |
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| 175 | #ifdef __FreeBSD__
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| 176 |
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[59] | 177 | struct vinum_subdisk {
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| 178 | char which_device[64];
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| 179 | };
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[1] | 180 |
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[59] | 181 | struct vinum_plex {
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| 182 | int raidlevel;
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| 183 | int stripesize;
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| 184 | int subdisks;
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| 185 | struct vinum_subdisk sd[MAXIMUM_RAID_DEVS];
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| 186 | };
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| 187 |
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| 188 | struct vinum_volume {
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| 189 | char volname[64];
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| 190 | int plexes;
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| 191 | struct vinum_plex plex[9];
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| 192 | };
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| 193 |
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| 194 | struct raidlist_itself {
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| 195 | int entries;
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| 196 | struct list_of_disks spares;
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| 197 | struct list_of_disks disks;
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| 198 | struct vinum_volume el[MAXIMUM_RAID_DEVS];
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| 199 | };
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| 200 |
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[1] | 201 | #else
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| 202 |
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[59] | 203 | /**
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[1] | 204 | * A RAID device in the raidlist.
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| 205 | */
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[59] | 206 | struct raid_device_record {
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[1] | 207 | /**
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| 208 | * The name of the RAID device (e.g. /dev/md0).
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| 209 | */
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[59] | 210 | char raid_device[64];
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[1] | 211 |
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| 212 | /**
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| 213 | * The RAID level (-1 to 5) we're using.
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| 214 | */
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[59] | 215 | int raid_level;
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[1] | 216 |
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| 217 | /**
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| 218 | * Whether the disk has a persistent superblock.
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| 219 | */
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[59] | 220 | int persistent_superblock;
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[1] | 221 |
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| 222 | /**
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| 223 | * The chunk size of this RAID device.
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| 224 | */
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[59] | 225 | int chunk_size;
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[1] | 226 |
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| 227 | /**
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| 228 | * A list of the disks to use for storing data.
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| 229 | */
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[59] | 230 | struct list_of_disks data_disks;
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[1] | 231 |
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| 232 | /**
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| 233 | * A list of the disks to use as "hot spares" in case one dies.
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| 234 | */
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[59] | 235 | struct list_of_disks spare_disks;
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[1] | 236 |
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| 237 | /**
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| 238 | * A list of the disks to use for storing parity information.
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| 239 | */
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[59] | 240 | struct list_of_disks parity_disks;
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[1] | 241 |
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| 242 | /**
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| 243 | * A list of the disks in this RAID device that have failed\. Rare.
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| 244 | */
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[59] | 245 | struct list_of_disks failed_disks;
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[1] | 246 |
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| 247 | /**
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| 248 | * The additional RAID variables for this device.
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| 249 | */
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[59] | 250 | struct additional_raid_variables additional_vars;
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| 251 | };
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[1] | 252 |
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[59] | 253 | /**
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[1] | 254 | * The list of RAID devices.
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| 255 | * This is intended to be used along with the mountlist, and it can be
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| 256 | * directly loaded from/saved to raidtab format.
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| 257 | */
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[59] | 258 | struct raidlist_itself {
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[1] | 259 | /**
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| 260 | * The number of entries in the list.
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| 261 | */
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[59] | 262 | int entries;
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[1] | 263 |
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| 264 | /**
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| 265 | * The RAID devices in the raidlist, all @p entries of them.
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| 266 | */
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[59] | 267 | struct raid_device_record el[MAXIMUM_RAID_DEVS];
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| 268 | };
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[1] | 269 |
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| 270 | #endif
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| 271 |
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| 272 | /**
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| 273 | * The backup information structure.
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| 274 | *
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| 275 | * This is the central structure to all the activity going on inside Mondo.
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| 276 | * It is passed to almost every function that is not just a helper, even those
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| 277 | * which only use one variable of it, because it is useful keeping all the information
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| 278 | * together in one place. The usage of particular fields in the bkpinfo is marked in
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| 279 | * function documentation, but it is best to fill out as many fields as apply, because
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| 280 | * that function may in turn pass the bkpinfo to other functions which use other fields.
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| 281 | *
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| 282 | * To fill out the bkpinfo first call reset_bkpinfo() and pre_param_configuration(). Then set
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| 283 | * the backup-specific parameters (see mondo/mondoarchive/mondo-cli.c-\>process_switches for
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| 284 | * an example). After that, you should call post_param_configuration() to set some final
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| 285 | * parameters based on those you have already set. Failure to do the last step will result in
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| 286 | * extremely strange and hard-to-track errors in chop_filelist(), since optimal_set_size is 0.
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| 287 | */
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[59] | 288 | struct s_bkpinfo {
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[1] | 289 | /**
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| 290 | * The device we're backing up to.
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| 291 | * 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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| 292 | * If backup_media_type is @b dvd, @b tape, or @b udev, this should be a /dev entry.
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| 293 | * If backup_media_type is anything else, this should be blank.
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| 294 | */
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[171] | 295 | char *media_device;
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[1] | 296 |
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| 297 | /**
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| 298 | * An array containing the sizes of each media in our backup set, in MB.
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| 299 | * For example, media 1's size would be stored in media_size[1].
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| 300 | * Element 0 is unused.
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| 301 | * If the size should be autodetected, make it -1 (preferable) or 0.
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| 302 | * @bug This should probably be only one variable, not an array.
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| 303 | */
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[59] | 304 | long media_size[MAX_NOOF_MEDIA + 1];
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[1] | 305 |
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| 306 | /**
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| 307 | * The boot loader that is installed. Available choices are:
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| 308 | * - 'G' for GRUB
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| 309 | * - 'L' for LILO
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| 310 | * - 'E' for ELILO
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| 311 | * - (FreeBSD only) 'B' for boot0
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| 312 | * - (FreeBSD only) 'D' for dangerously dedicated
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| 313 | * - 'R' for Raw
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| 314 | * - 'U' for Unknown or None
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| 315 | *
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| 316 | * The function which_boot_loader() can help you set this.
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| 317 | */
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[59] | 318 | char boot_loader;
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[1] | 319 |
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| 320 | /**
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| 321 | * The boot device on which @p boot_loader is installed.
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| 322 | * This is a bit difficult to autodetect; you may want
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| 323 | * to take truncate_to_drive_name() of where_is_root_mounted().
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| 324 | */
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[171] | 325 | char *boot_device;
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[1] | 326 |
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| 327 | /**
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| 328 | * The compression program to use. Currently supported
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| 329 | * choices are lzop and bzip2; gzip may also work. This is ignored if
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| 330 | * compression_level is 0.
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| 331 | */
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[59] | 332 | char zip_exe[MAX_STR_LEN / 4];
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[1] | 333 |
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| 334 | /**
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| 335 | * The extension your compression program uses. lzop uses lzo, bzip uses
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| 336 | * bz2, gzip uses gz, etc. Do not include the dot.
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| 337 | */
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[59] | 338 | char zip_suffix[MAX_STR_LEN / 4];
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[1] | 339 |
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| 340 | /**
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| 341 | * Devices to back up as biggiefiles.
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| 342 | *
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| 343 | * This is useful for backing up NTFS partitions.
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[300] | 344 | * @c ntfsclone is used to back up only the used sectors, so the space tradeoff is not bad.
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[1] | 345 | * However, several caveats apply to such a partition:
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| 346 | * - It must not be mounted during the backup
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[300] | 347 | * - It must be in a format that ntfsclone knows how to handle, i.e. NTFS
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[1] | 348 | * - It cannot be verified during the verify or compare phase
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| 349 | * - It may not be resized or selectively restored at restore-time (all or nothing)
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| 350 | *
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| 351 | * This is a useful feature, but use at your own risk.
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| 352 | */
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[171] | 353 | char *image_devs;
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[1] | 354 |
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| 355 | /**
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| 356 | * The compression level (1-9) to use. 0 disables compression.
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| 357 | */
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[59] | 358 | int compression_level;
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[1] | 359 |
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| 360 | /**
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| 361 | * If TRUE, then use @c lzop to compress data.
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| 362 | * This is used mainly in estimates. The backup/restore may or may
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| 363 | * not work if you do not set this. You should also set @p zip_exe
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| 364 | * and @p zip_suffix.
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| 365 | */
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[59] | 366 | bool use_lzo;
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[1] | 367 |
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| 368 | /**
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| 369 | * A filename containing a list of extensions, one per line, to not
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| 370 | * compress. If this is set to "", afio will still exclude a set of well-known
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| 371 | * compressed files from compression, but biggiefiles that are compressed
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| 372 | * will be recompressed again.
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| 373 | */
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[59] | 374 | char do_not_compress_these[MAX_STR_LEN / 2];
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[1] | 375 |
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| 376 | /**
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| 377 | * If TRUE, then we should verify a backup.
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| 378 | */
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[59] | 379 | bool verify_data;
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[1] | 380 |
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| 381 | /**
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| 382 | * If TRUE, then we should back up some data.
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| 383 | */
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[59] | 384 | bool backup_data;
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[1] | 385 |
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| 386 | /**
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| 387 | * If TRUE, then we should restore some data.
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| 388 | */
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[59] | 389 | bool restore_data;
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[1] | 390 |
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[59] | 391 |
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[1] | 392 | /**
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| 393 | * If TRUE, then we should backup/restore using star, not afio
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| 394 | */
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[59] | 395 | bool use_star;
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[1] | 396 |
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[59] | 397 |
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[1] | 398 | /**
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| 399 | * Size of internal block reads/writes
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| 400 | */
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[59] | 401 | long internal_tape_block_size;
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| 402 |
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[1] | 403 | /**
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| 404 | * If TRUE, we're making a CD that will autonuke without confirmation when booted.
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| 405 | */
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[59] | 406 | bool disaster_recovery;
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[1] | 407 |
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| 408 | /**
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| 409 | * The directory we're backing up to.
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| 410 | * If backup_media_type is @b iso, then this is that directory.
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| 411 | * If backup_media_type is anything else, this is ignored.
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| 412 | */
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[171] | 413 | char *isodir;
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[1] | 414 |
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[20] | 415 | /**
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| 416 | * The prefix to put in front of media number
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| 417 | * If backup_media_type is @b iso, then this is the prefix for the filename
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| 418 | * If backup_media_type is anything else, this is ignored.
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| 419 | */
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[171] | 420 | char *prefix;
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[20] | 421 |
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[1] | 422 | /**
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| 423 | * The scratch directory to use.
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| 424 | * This is the "stage" that the CD image is made directly from.
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| 425 | * As such, it needs to be at least as large as the largest CD/DVD/ISO.
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| 426 | */
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[171] | 427 | char *scratchdir;
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[1] | 428 |
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| 429 | /**
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| 430 | * The temp directory to use.
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| 431 | * This is where filesets are stored by the archival threads before
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| 432 | * the main thread moves them to the scratchdir. You don't need a lot
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| 433 | * of space here.
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| 434 | */
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[171] | 435 | char *tmpdir;
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[1] | 436 |
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| 437 | /**
|
---|
| 438 | * The optimal size for each fileset. This is set automatically in
|
---|
| 439 | * post_param_configuration() based on your @p backup_media_type; you
|
---|
| 440 | * needn't set it yourself.
|
---|
| 441 | */
|
---|
[59] | 442 | long optimal_set_size;
|
---|
[1] | 443 |
|
---|
| 444 | /**
|
---|
| 445 | * The type of media we're backing up to.
|
---|
| 446 | */
|
---|
[59] | 447 | t_bkptype backup_media_type;
|
---|
[1] | 448 | // bool blank_dvd_first;
|
---|
| 449 |
|
---|
| 450 | /**
|
---|
| 451 | * Whether we should use a premade filelist or generate our own.
|
---|
| 452 | * If TRUE, then we generate our own filelist from the directories in @p include_paths.
|
---|
| 453 | * If FALSE, then we use the filelist whose name is specified in @p include_paths.
|
---|
| 454 | */
|
---|
[59] | 455 | bool make_filelist;
|
---|
[1] | 456 |
|
---|
| 457 | /**
|
---|
| 458 | * Directories to back up, or (if !make_filelist) the filelist to use.
|
---|
| 459 | * In the former case, multiple directories should be separated by spaces.
|
---|
| 460 | * If you do nothing, "/" will be used.
|
---|
| 461 | */
|
---|
[59] | 462 | char include_paths[MAX_STR_LEN];
|
---|
[1] | 463 |
|
---|
| 464 | /**
|
---|
| 465 | * Directories to NOT back up. Ignored if make_filelist == FALSE.
|
---|
| 466 | * Multiple directories should be separated by spaces. /tmp, /proc,
|
---|
| 467 | * the scratchdir, and the tempdir are automatically excluded.
|
---|
| 468 | */
|
---|
[59] | 469 | char exclude_paths[MAX_STR_LEN];
|
---|
[1] | 470 |
|
---|
| 471 | /**
|
---|
| 472 | * The path to restore files relative to during a restore.
|
---|
| 473 | * This is useful if you want to extract the files (to test, for example)
|
---|
| 474 | * without overwriting the old ones. Ignored during a backup.
|
---|
| 475 | */
|
---|
[59] | 476 | char restore_path[MAX_STR_LEN];
|
---|
[1] | 477 |
|
---|
| 478 | /**
|
---|
| 479 | * A command to call BEFORE making an ISO image.
|
---|
| 480 | */
|
---|
[171] | 481 | char *call_before_iso;
|
---|
[1] | 482 |
|
---|
| 483 | /**
|
---|
| 484 | * A command to call to make an ISO image.
|
---|
| 485 | */
|
---|
[59] | 486 | char call_make_iso[MAX_STR_LEN];
|
---|
[1] | 487 |
|
---|
| 488 | /**
|
---|
| 489 | * A command to call to burn the ISO image.
|
---|
| 490 | */
|
---|
[59] | 491 | char call_burn_iso[MAX_STR_LEN];
|
---|
[1] | 492 |
|
---|
| 493 | /**
|
---|
| 494 | * A command to call AFTER making an ISO image.
|
---|
| 495 | */
|
---|
[171] | 496 | char *call_after_iso;
|
---|
[1] | 497 |
|
---|
| 498 | /**
|
---|
| 499 | * Path to the user's kernel, or "FAILSAFE" or "SUCKS" to use the kernel
|
---|
| 500 | * included with Mindi.
|
---|
| 501 | */
|
---|
[171] | 502 | char *kernel_path;
|
---|
[1] | 503 |
|
---|
| 504 | /**
|
---|
| 505 | * The NFS mount to back up to/restore from.
|
---|
| 506 | * If backup_media_type is not @b nfs, this is ignored.
|
---|
| 507 | * It must contain a colon, and the server's address should be in dotted-decimal IP
|
---|
| 508 | * address form. (Domain names will be resolved in post_param_configuration().)
|
---|
| 509 | */
|
---|
[171] | 510 | char *nfs_mount;
|
---|
[1] | 511 |
|
---|
| 512 | /**
|
---|
| 513 | * The directory, relative to the root of @p nfs_mount, to put
|
---|
| 514 | * the backups in.
|
---|
| 515 | */
|
---|
[171] | 516 | char *nfs_remote_dir;
|
---|
[1] | 517 |
|
---|
| 518 | /**
|
---|
| 519 | * A tarball containing a program called "usr/bin/post-nuke" that will be run
|
---|
| 520 | * after nuking the system. If "", do not use a post-nuke tarball.
|
---|
| 521 | */
|
---|
[171] | 522 | char *postnuke_tarball;
|
---|
[1] | 523 |
|
---|
| 524 | /**
|
---|
| 525 | * If TRUE, then pass cdrecord the argument "blank=fast" to wipe the CDs before
|
---|
| 526 | * writing to them. This has no effect for DVDs.
|
---|
| 527 | */
|
---|
[59] | 528 | bool wipe_media_first;
|
---|
[1] | 529 |
|
---|
| 530 | // patch by Herman Kuster
|
---|
| 531 | /**
|
---|
| 532 | * The differential level of this backup. Currently only 0 (full backup) and 1
|
---|
| 533 | * (files changed since last full backup) are supported.
|
---|
| 534 | */
|
---|
[59] | 535 | int differential;
|
---|
[1] | 536 | // end patch
|
---|
| 537 |
|
---|
| 538 | /**
|
---|
| 539 | * If TRUE, then don't eject media when backing up or restoring.
|
---|
| 540 | */
|
---|
[59] | 541 | bool please_dont_eject;
|
---|
[1] | 542 |
|
---|
| 543 | /**
|
---|
| 544 | * The speed of the CD-R[W] drive.
|
---|
| 545 | */
|
---|
[59] | 546 | int cdrw_speed;
|
---|
[1] | 547 |
|
---|
| 548 | /**
|
---|
| 549 | * If TRUE, then cdrecord will be passed some flags to help compensate for PCs
|
---|
| 550 | * with eccentric CD-ROM drives. If it has BurnProof technology, or is in a laptop,
|
---|
| 551 | * it probably falls into this category.
|
---|
| 552 | */
|
---|
[59] | 553 | bool manual_cd_tray;
|
---|
[1] | 554 |
|
---|
| 555 | /**
|
---|
| 556 | * If TRUE, do not make the first CD bootable. This is dangerous but it saves a minute
|
---|
| 557 | * or so. It is useful in testing. Use with care.
|
---|
| 558 | */
|
---|
[59] | 559 | bool nonbootable_backup;
|
---|
[1] | 560 |
|
---|
| 561 | /**
|
---|
| 562 | * If TRUE, make the bootable CD use LILO/ELILO. If FALSE, use isolinux (the default).
|
---|
| 563 | */
|
---|
[59] | 564 | bool make_cd_use_lilo;
|
---|
[1] | 565 | };
|
---|
| 566 |
|
---|
| 567 |
|
---|
| 568 |
|
---|
| 569 | /**
|
---|
| 570 | * A node in a directory structure.
|
---|
| 571 | * Its internals are managed by load_filelist() et al; you only need to keep track of the top node.
|
---|
| 572 | * @bug My understanding of this structure is horrendously incomplete. Could you please fill in the details?
|
---|
| 573 | */
|
---|
[59] | 574 | struct s_node {
|
---|
[1] | 575 | /**
|
---|
| 576 | * The character this node contains.
|
---|
| 577 | */
|
---|
[59] | 578 | char ch;
|
---|
[1] | 579 |
|
---|
| 580 | /**
|
---|
| 581 | * The node to the right of this one.
|
---|
| 582 | */
|
---|
[59] | 583 | struct s_node *right;
|
---|
[1] | 584 |
|
---|
| 585 | /**
|
---|
| 586 | * The node below this one.
|
---|
| 587 | */
|
---|
[59] | 588 | struct s_node *down;
|
---|
[1] | 589 |
|
---|
| 590 | /**
|
---|
| 591 | * If TRUE, then this node is selected (for restore, for example).
|
---|
| 592 | */
|
---|
[59] | 593 | bool selected;
|
---|
[1] | 594 |
|
---|
| 595 | /**
|
---|
| 596 | * If TRUE, then we want to see the directories below this one.
|
---|
| 597 | */
|
---|
[59] | 598 | bool expanded;
|
---|
[1] | 599 | };
|
---|
| 600 |
|
---|
| 601 |
|
---|
| 602 |
|
---|
| 603 | /**
|
---|
| 604 | * A structure to wrap a FIFO device for writing to a tape/CD stream.
|
---|
| 605 | * @bug Is this structure used (w/the move to a standalone @c buffer and all)?
|
---|
| 606 | */
|
---|
| 607 | struct s_wrapfifo {
|
---|
[59] | 608 | /**
|
---|
[1] | 609 | * The device we write to or read from (a FIFO).
|
---|
| 610 | */
|
---|
[59] | 611 | char public_device[MAX_STR_LEN / 4];
|
---|
[1] | 612 |
|
---|
[59] | 613 | /**
|
---|
[1] | 614 | * The actual device that data from the FIFO should be buffered and written to.
|
---|
| 615 | */
|
---|
[59] | 616 | char private_device[MAX_STR_LEN / 4];
|
---|
[1] | 617 |
|
---|
[59] | 618 | /**
|
---|
[1] | 619 | * A buffer for holding data read from the FIFO.
|
---|
| 620 | */
|
---|
[59] | 621 | char internal_buffer_IN_fifo[MAX_STR_LEN / 4];
|
---|
[1] | 622 |
|
---|
[59] | 623 | /**
|
---|
[1] | 624 | * A buffer for holding data to be written to the FIFO.
|
---|
| 625 | */
|
---|
[59] | 626 | char internal_buffer_OUT_fifo[MAX_STR_LEN / 4];
|
---|
[1] | 627 |
|
---|
[59] | 628 | /**
|
---|
[1] | 629 | * If TRUE, then we're writing directly to the tape streamer; if FALSE, we're writing to the FIFO.
|
---|
| 630 | */
|
---|
| 631 | bool writing_to_private_device;
|
---|
| 632 | };
|
---|
| 633 |
|
---|
| 634 |
|
---|
| 635 |
|
---|
| 636 | /**
|
---|
| 637 | * Information about one file.
|
---|
| 638 | * This is used as the "zeroth slice" of a biggiefile to be able to recreate
|
---|
| 639 | * its name, mode, owner, group, mtime, atime, and to be able to verify it in Compare Mode.
|
---|
| 640 | */
|
---|
| 641 | struct s_filename_and_lstat_info {
|
---|
[59] | 642 | /**
|
---|
[1] | 643 | * The filename of the file this structure is describing.
|
---|
| 644 | */
|
---|
| 645 | char filename[MAX_STR_LEN];
|
---|
| 646 |
|
---|
[59] | 647 | /**
|
---|
[1] | 648 | * The MD5 checksum (32 hex digits) of this file.
|
---|
| 649 | */
|
---|
| 650 | char checksum[64];
|
---|
| 651 |
|
---|
[59] | 652 | /**
|
---|
[1] | 653 | * Unused; kept for backwards compatibility.
|
---|
| 654 | */
|
---|
| 655 | char for_backward_compatibility;
|
---|
| 656 |
|
---|
[59] | 657 | /**
|
---|
[1] | 658 | * The stat buffer for this file.
|
---|
| 659 | * Generated with a call to <tt>lstat(&(struc->properties))</tt> where @p struc
|
---|
| 660 | * is the @p s_filename_and_lstat_info.
|
---|
| 661 | */
|
---|
| 662 | struct stat properties;
|
---|
[300] | 663 | bool use_ntfsprog;
|
---|
[1] | 664 | };
|
---|
| 665 |
|
---|
| 666 |
|
---|
| 667 | /**
|
---|
| 668 | * A file with associated severity if it differed in a verify or compare.
|
---|
| 669 | */
|
---|
| 670 | struct s_filelist_entry {
|
---|
[59] | 671 | /**
|
---|
[1] | 672 | * The name of the file.
|
---|
| 673 | */
|
---|
| 674 | char filename[MAX_STR_LEN];
|
---|
[59] | 675 | /**
|
---|
[1] | 676 | * The severity if the file has changed between the backup and live filesystem.
|
---|
| 677 | * This is on a scale from 1 to 3, 3 being the most important. File patterns which cause
|
---|
| 678 | * a severity of 1 are:
|
---|
| 679 | * - /etc/adjtime
|
---|
| 680 | * - /etc/mtab
|
---|
| 681 | * - /var/lib/slocate
|
---|
| 682 | * - /var/lock
|
---|
| 683 | * - /var/log
|
---|
| 684 | * - /var/spool (except /var/spool/mail)
|
---|
| 685 | * - /var/run
|
---|
| 686 | * - *~
|
---|
| 687 | * - *.log
|
---|
| 688 | * - *cache*
|
---|
| 689 | * - other temporary or unimportant files
|
---|
| 690 | *
|
---|
| 691 | * File patterns which cause a severity of 2 are:
|
---|
| 692 | * - /var (except /var/lock, /var/log, /var/run, /var/spool)
|
---|
| 693 | * - /home
|
---|
| 694 | * - /root/.*
|
---|
| 695 | * - /var/lib (except /var/lib/slocate, /var/lib/rpm)
|
---|
| 696 | * - /var/spool/mail
|
---|
| 697 | *
|
---|
| 698 | * File patterns which cause a severity of 3 are:
|
---|
| 699 | * - /etc (except /etc/adjtime, /etc/mtab)
|
---|
| 700 | * - /root (except /root/.*)
|
---|
| 701 | * - /usr
|
---|
| 702 | * - /var/lib/rpm
|
---|
| 703 | * - Anything else not matched explicitly
|
---|
| 704 | *
|
---|
| 705 | * @see severity_of_difference
|
---|
| 706 | */
|
---|
[59] | 707 | int severity;
|
---|
[1] | 708 | };
|
---|
| 709 |
|
---|
| 710 |
|
---|
| 711 | /**
|
---|
| 712 | * A list of @c s_filelist_entry.
|
---|
| 713 | */
|
---|
| 714 | struct s_filelist {
|
---|
[59] | 715 | /**
|
---|
[1] | 716 | * The number of entries in the list.
|
---|
| 717 | */
|
---|
[59] | 718 | int entries;
|
---|
[1] | 719 |
|
---|
[59] | 720 | /**
|
---|
[1] | 721 | * The entries themselves, all @p entries of them.
|
---|
| 722 | */
|
---|
| 723 | struct s_filelist_entry el[ARBITRARY_MAXIMUM];
|
---|
| 724 | };
|
---|
| 725 |
|
---|
| 726 |
|
---|
| 727 | /**
|
---|
| 728 | * An entry in the tape catalog.
|
---|
| 729 | */
|
---|
| 730 | struct s_tapecat_entry {
|
---|
[59] | 731 | /**
|
---|
[1] | 732 | * The type of archive it is (afioball, slice, or something else).
|
---|
| 733 | */
|
---|
| 734 | t_archtype type;
|
---|
| 735 |
|
---|
[59] | 736 | /**
|
---|
[1] | 737 | * The filelist number or biggiefile (not slice!) number.
|
---|
| 738 | */
|
---|
| 739 | int number;
|
---|
| 740 |
|
---|
[59] | 741 | /**
|
---|
[1] | 742 | * The slice number if it's a biggiefile.
|
---|
| 743 | */
|
---|
| 744 | long aux;
|
---|
| 745 |
|
---|
[59] | 746 | /**
|
---|
[1] | 747 | * The tape position at the point this entry was added.
|
---|
| 748 | */
|
---|
| 749 | long long tape_posK;
|
---|
| 750 |
|
---|
[59] | 751 | /**
|
---|
[1] | 752 | * The filename of the file cataloged here.
|
---|
| 753 | */
|
---|
[59] | 754 | char fname[MAX_TAPECAT_FNAME_LEN + 1];
|
---|
[1] | 755 | };
|
---|
| 756 |
|
---|
| 757 |
|
---|
| 758 | /**
|
---|
| 759 | * A tape catalog, made of a list of @p s_tapecat_entry.
|
---|
| 760 | */
|
---|
| 761 | struct s_tapecatalog {
|
---|
[59] | 762 | /**
|
---|
[1] | 763 | * The number of entries in the tape catalog.
|
---|
| 764 | */
|
---|
| 765 | int entries;
|
---|
| 766 |
|
---|
[59] | 767 | /**
|
---|
[1] | 768 | * The entries themselves, all @p entries of them.
|
---|
| 769 | */
|
---|
| 770 | struct s_tapecat_entry el[MAX_TAPECATALOG_ENTRIES];
|
---|
| 771 | };
|
---|
| 772 |
|
---|
| 773 |
|
---|
| 774 |
|
---|
| 775 | struct s_mdrec {
|
---|
[59] | 776 | int md; // /dev/mdN
|
---|
| 777 | int raidlevel; // 0, 1, 5
|
---|
[1] | 778 | struct list_of_disks disks;
|
---|
| 779 | int progress;
|
---|
| 780 | };
|
---|
| 781 |
|
---|
| 782 | struct s_mdstat {
|
---|
| 783 | int entries;
|
---|
| 784 | struct s_mdrec el[MAXIMUM_RAID_DEVS];
|
---|
| 785 | };
|
---|