| 1 | #!/usr/bin/perl -w
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| 2 | #
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| 3 | # parted2fdisk: fdisk like interface for parted
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| 4 | # [developped for mindi/mondo http://www.mondorescue.org]
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| 5 | #
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| 6 | # Aims to be architecture independant (i386/ia64)
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| 7 | # Tested on RHAS 2.1 ia64 - Mandrake 9.0 ia64 - RHAS 3.0 ia64
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| 8 | #
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| 9 | # (c) Bruno Cornec <Bruno.Cornec@hp.com>
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| 10 | # Licensed under the GPL
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| 11 |
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| 12 | use strict;
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| 13 |
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| 14 | $ENV{LANG} = "C";
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| 15 | $ENV{LANGUAGE} = "C";
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| 16 | $ENV{LC_ALL} = "C";
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| 17 |
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| 18 | # Log
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| 19 | my $flog = "/tmp/parted2fdisk.log";
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| 20 | open(FLOG, "> $flog") || die "Unable to open $flog";
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| 21 |
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| 22 | my $fdisk = "/sbin/fdisk";
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| 23 | my $parted = "/sbin/parted";
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| 24 |
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| 25 | my $i;
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| 26 | my $l;
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| 27 | my $part;
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| 28 | my $wpart;
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| 29 | my $start = "";
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| 30 | my $end = "";
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| 31 | my %start;
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| 32 | my %end;
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| 33 | my %type;
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| 34 | my %flags;
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| 35 | my $arch;
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| 36 |
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| 37 | # Determine on which arch we're running
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| 38 | if (defined ($ENV{ARCH})) {
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| 39 | $arch = $ENV{ARCH};
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| 40 | } else {
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| 41 | $arch = `"/bin/arch"`;
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| 42 | chomp($arch);
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| 43 | }
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| 44 |
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| 45 | #
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| 46 | # Looking for fdisk
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| 47 | #
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| 48 | $fdisk = is_lsb($fdisk);
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| 49 | #
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| 50 | # We always use fdisk except on ia64 with GPT types of
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| 51 | # partition tables where we need parted
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| 52 | # All should return fdisk like format so that callers
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| 53 | # think they have called fdisk directly
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| 54 | #
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| 55 | my $un;
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| 56 | my $type;
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| 57 | my $args = "";
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| 58 | my $device = "";
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| 59 |
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| 60 | if ($#ARGV < 0) {
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| 61 | printf FLOG "No arguments given exiting ...\n";
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| 62 | mysyn();
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| 63 | }
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| 64 |
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| 65 | my %pid = ( "FAT" => "6",
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| 66 | "fat32" => "b",
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| 67 | "fat16" => "e",
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| 68 | "ext2" => "83",
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| 69 | "ext3" => "83",
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| 70 | "linux-swap" => "82",
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| 71 | "LVM" => "8e",
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| 72 | "" => "",
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| 73 | );
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| 74 | my %pnum;
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| 75 |
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| 76 | # Reverse table of pid
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| 77 | while (($i,$l) = each %pid) {
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| 78 | next if ($i eq "ext2");
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| 79 | $pnum{$l} = $i;
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| 80 | }
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| 81 |
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| 82 | foreach $i (@ARGV) {
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| 83 | # We support at most one option and one device
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| 84 | print FLOG "Parameter found : $i\n";
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| 85 | if ($i =~ /^\/dev\//) {
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| 86 | $device = $i;
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| 87 | next;
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| 88 | } elsif ($i =~ /^-/) {
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| 89 | $args = $i;
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| 90 | next;
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| 91 | } else {
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| 92 | mysyn();
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| 93 | }
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| 94 | }
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| 95 |
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| 96 | if (($args ne "") and ($device eq "")) {
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| 97 | mysyn();
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| 98 | }
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| 99 |
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| 100 | # -s takes a partition as arg
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| 101 | if ($args =~ /-s/) {
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| 102 | $wpart = $device;
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| 103 | $device =~ s/[0-9]+$//;
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| 104 | }
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| 105 |
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| 106 | print FLOG "Called with device $device and arg $args\n";
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| 107 |
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| 108 | if ($arch =~ /^ia64/) {
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| 109 | # Check partition table type
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| 110 | print FLOG "We're on ia64 ...\n";
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| 111 | $parted = is_lsb($parted);
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| 112 | $type = which_type($device);
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| 113 | if ($type ne "msdos") {
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| 114 | print FLOG "Not an msdos type of disk label\n";
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| 115 | if ($args =~ /-l/) {
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| 116 | fdisk_list($device,undef,\%start,\%end);
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| 117 | } elsif ($args =~ /-s/) {
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| 118 | fdisk_list($device,$wpart,\%start,\%end);
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| 119 | } elsif ($args =~ /-/) {
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| 120 | printf FLOG "Option not supported ($args) ...\n";
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| 121 | printf FLOG "Please report to the author\n";
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| 122 | mysyn();
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| 123 | } else {
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| 124 | # Read fdisk orders on stdin and pass them to parted
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| 125 | # on the command line as parted doesn't read on stdin
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| 126 | print FLOG "Translating fdisk command to parted\n";
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| 127 | while ($i = <STDIN>) {
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| 128 | if ($i =~ /^p$/) {
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| 129 | fdisk_list($device,undef,\%start,\%end);
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| 130 | }
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| 131 | elsif ($i =~ /^n$/) {
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| 132 | fdisk_list($device,undef,\%start,\%end);
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| 133 | if ($type ne "gpt") {
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| 134 | print FLOG "Forcing GPT type of disk label\n";
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| 135 | print FLOG "mklabel gpt\n";
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| 136 | system "$parted -s $device mklabel gpt\n";
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| 137 | $type = "gpt";
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| 138 | }
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| 139 | $l = <STDIN>;
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| 140 | if (not (defined $l)) {
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| 141 | print FLOG "no primary/extended arg given for creation... assuming primary\n";
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| 142 | $l = "p";
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| 143 | }
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| 144 | chomp($l);
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| 145 | $part = <STDIN>;
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| 146 | if ((not (defined $part)) || ($part eq "")) {
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| 147 | print FLOG "no partition given for creation... skipping\n";
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| 148 | next;
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| 149 | }
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| 150 | chomp($part);
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| 151 | $start = <STDIN>;
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| 152 | chomp($start);
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| 153 | if ((not (defined $start)) || ($start eq "")) {
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| 154 | if (defined $start{$part-1}) {
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| 155 | $start = scalar $end{$part-1} + 0.001;
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| 156 | print FLOG "no start cyl given for creation... assuming the following $start\n";
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| 157 | } else {
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| 158 | print FLOG "no start cyl given for creation... assuming the following 1\n";
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| 159 | $start = 1;
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| 160 | }
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| 161 | }
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| 162 | print FLOG "start cyl : $start\n";
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| 163 | $end = <STDIN>;
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| 164 | chomp($end);
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| 165 | if ((not (defined $end)) || ($end eq "")) {
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| 166 | print FLOG "no end cyl given for creation... assuming full disk)\n";
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| 167 | $end = get_max($device);
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| 168 | }
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| 169 | $un = get_un($device);
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| 170 | # Handles end syntaxes (+, K, M, ...)
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| 171 | if ($end =~ /^\+/) {
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| 172 | $end =~ s/^\+//;
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| 173 | if ($end =~ /K$/) {
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| 174 | $end =~ s/K$//;
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| 175 | $end *= 1000;
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| 176 | } elsif ($end =~ /M$/) {
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| 177 | $end =~ s/M$//;
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| 178 | $end *= 1000000;
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| 179 | } elsif ($end =~ /G$/) {
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| 180 | $end =~ s/G$//;
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| 181 | $end *= 1000000000;
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| 182 | }
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| 183 | $end /= $un;
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| 184 | $end = int($end)+1;
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| 185 | $end += $start - 0.001;
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| 186 | }
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| 187 | print FLOG "end cyl : $end\n";
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| 188 | print FLOG "n $l $part $start $end => mkpart primary $start $end\n";
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| 189 | system "$parted -s $device mkpart primary ext2 $start $end\n";
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| 190 | }
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| 191 | elsif ($i =~ /^d$/) {
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| 192 | $part = <STDIN>;
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| 193 | if (not (defined $part)) {
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| 194 | print FLOG "no partition given for deletion... skipping\n";
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| 195 | next;
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| 196 | }
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| 197 | chomp($part);
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| 198 | print FLOG "d $part => rm $part\n";
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| 199 | system "$parted -s $device rm $part\n";
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| 200 | get_parted($device,undef,\%start,\%end,undef,undef);
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| 201 | }
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| 202 | elsif ($i =~ /^w$/) {
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| 203 | print FLOG "w => quit\n";
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| 204 | }
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| 205 | elsif ($i =~ /^t$/) {
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| 206 | $part = <STDIN>;
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| 207 | if (not (defined $part)) {
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| 208 | print FLOG "no partition given for tagging... skipping\n";
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| 209 | next;
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| 210 | }
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| 211 | chomp($part);
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| 212 | $l = <STDIN>;
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| 213 | if (not (defined $l)) {
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| 214 | print FLOG "no type given for tagging partition $part... skipping\n";
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| 215 | next;
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| 216 | }
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| 217 | chomp($l);
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| 218 | if (not (defined $pnum{$l})) {
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| 219 | print FLOG "no partition number given for $l... please report to the author\n";
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| 220 | next;
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| 221 | }
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| 222 | print FLOG "t $part => mkfs $part $pnum{$l}\n";
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| 223 | system "$parted -s $device mkfs $part $pnum{$l}\n";
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| 224 | }
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| 225 | elsif ($i =~ /^a$/) {
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| 226 | $part = <STDIN>;
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| 227 | if (not (defined $part)) {
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| 228 | print FLOG "no partition given for tagging... skipping\n";
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| 229 | next;
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| 230 | }
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| 231 | chomp($part);
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| 232 | print FLOG "a $part => set $part boot on\n";
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| 233 | system "$parted -s $device set $part boot on\n";
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| 234 | }
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| 235 | elsif ($i =~ /^q$/) {
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| 236 | print FLOG "q => quit\n";
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| 237 | }
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| 238 | else {
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| 239 | print FLOG "Unknown command: $i\n";
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| 240 | next;
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| 241 | }
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| 242 |
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| 243 | }
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| 244 | }
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| 245 | myexit(0);
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| 246 | }
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| 247 | }
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| 248 |
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| 249 | #
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| 250 | # Else everything is for fdisk
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| 251 | #
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| 252 | # Print only mode
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| 253 | print FLOG "Passing everything to the real fdisk\n";
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| 254 | my $fargs = join(@ARGV);
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| 255 |
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| 256 | if ($args =~ /^-/) {
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| 257 | # -l or -s
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| 258 | open (FDISK, "$fdisk $fargs |") || die "Unable to read from $fdisk";
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| 259 | while (<FDISK>) {
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| 260 | print;
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| 261 | }
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| 262 | close(FDISK);
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| 263 | } else {
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| 264 | # Modification mode
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| 265 | open (FDISK, "| $fdisk $fargs") || die "Unable to modify through $fdisk";
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| 266 | while (<STDIN>) {
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| 267 | print FDISK;
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| 268 | }
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| 269 | close(FDISK);
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| 270 | close(STDIN);
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| 271 | }
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| 272 | myexit(0);
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| 273 |
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| 274 |
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| 275 | # Is your system LSB ?
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| 276 | sub is_lsb {
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| 277 |
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| 278 | my $cmd = shift;
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| 279 | my $basename = basename($cmd);
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| 280 | my $mindifdisk="/usr/local/bin/fdisk";
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| 281 |
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| 282 | if ($cmd =~ /fdisk/) {
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| 283 | if ($arch =~ /^ia64/) {
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| 284 | if (-l $cmd) {
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| 285 | print FLOG "Your system is ready for mondo-archive on ia64\n";
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| 286 | } else {
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| 287 | print FLOG "Your system is ready for mondo-restore on ia64\n";
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| 288 | }
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| 289 | if (-x $mindifdisk) {
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| 290 | $cmd = $mindifdisk;
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| 291 | } else {
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| 292 | print FLOG "Your system doesn't provide $mindifdisk\n";
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| 293 | print FLOG "Please use mindi-x.yz-ia64.rpm on the system to backup\n";
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| 294 | myexit(-1);
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| 295 | }
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| 296 | }
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| 297 | }
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| 298 | if (not (-x $cmd)) {
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| 299 | print FLOG "Your system is not LSB/mondo compliant: $basename was not found as $cmd\n";
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| 300 | print FLOG "Searching elswhere...";
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| 301 | foreach $i (split(':',$ENV{PATH})) {
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| 302 | if (-x "$i/$basename") {
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| 303 | $cmd = "$i/$basename";
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| 304 | print FLOG "Found $cmd, using it !\n";
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| 305 | last;
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| 306 | }
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| 307 | }
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| 308 | if (not (-x $cmd)) {
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| 309 | print FLOG "Your system doesn't provide $basename in the PATH\n";
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| 310 | print FLOG "Please correct it before relaunching\n";
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| 311 | myexit(-1);
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| 312 | }
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| 313 | }
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| 314 | return($cmd);
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| 315 | }
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| 316 |
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| 317 | sub fdisk_list {
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| 318 |
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| 319 | my $device = shift;
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| 320 | my $wpart = shift;
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| 321 | my $start = shift;
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| 322 | my $end = shift;
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| 323 |
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| 324 | my $un;
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| 325 | my $d;
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| 326 | my $n;
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| 327 |
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| 328 | my %cmt = ( "FAT" => "FAT",
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| 329 | "ext2" => "Linux",
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| 330 | "ext3" => "Linux",
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| 331 | "linux-swap" => "Linux swap",
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| 332 | "LVM" => "Linux LVM",
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| 333 | "fat16" => "fat16",
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| 334 | "fat32" => "fat32",
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| 335 | "" => "Linux",
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| 336 | );
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| 337 |
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| 338 | my $part;
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| 339 | my $mstart;
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| 340 | my $mend;
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| 341 | my $length;
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| 342 | my $pid;
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| 343 | my $cmt;
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| 344 | format FLOG1 =
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| 345 | @<<<<<<<<<<<< @>>>>>>>> @>>>>>>>> @>>>>>>>> @>>> @<<<<<<<<<<<<<<<<<<<<<<<<<<<<
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| 346 | $part, $mstart, $mend, $length, $pid, $cmt
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| 347 | .
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| 348 | format FLOG2 =
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| 349 | @<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
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| 350 | $part,
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| 351 | @>>>>>>>> @>>>>>>>> @>>>>>>>> @>>> @<<<<<<<<<<<<<<<<<<<<<<<<<<<<
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| 352 | $mstart, $mend, $length, $pid, $cmt
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| 353 | .
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| 354 | format STDOUT1 =
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| 355 | @<<<<<<<<<<<< @>>>>>>>> @>>>>>>>> @>>>>>>>> @>>> @<<<<<<<<<<<<<<<<<<<<<<<<<<<<
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| 356 | $part, $mstart, $mend, $length, $pid, $cmt
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| 357 | .
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| 358 | format STDOUT2 =
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| 359 | @<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
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| 360 | $part,
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| 361 | @>>>>>>>> @>>>>>>>> @>>>>>>>> @>>> @<<<<<<<<<<<<<<<<<<<<<<<<<<<<
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| 362 | $mstart, $mend, $length, $pid, $cmt
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| 363 | .
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| 364 | #/dev/hda1 1 77579 39099374+ ee EFI GPT
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| 365 |
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| 366 | #
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| 367 | # Keep Fdisk headers
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| 368 | #
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| 369 | $un = get_un ($device,$wpart);
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| 370 | get_parted ($device,$start,$end,\%type,\%flags);
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| 371 |
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| 372 | while (($n,$d) = each %type) {
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| 373 | # Print infos fdisk like
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| 374 | $part = ${device}.$n;
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| 375 | $mstart = sprintf("%d",int($$start{$n}));
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| 376 | $mend = sprintf("%d",int($$end{$n}));
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| 377 | $length = sprintf("%d",($mend-$mstart+1)*$un/1048576);
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| 378 | $pid = $pid{$type{$n}};
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| 379 | $cmt = $cmt{$type{$n}};
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| 380 | print FLOG "$part - $mstart - $mend - $length\n";
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| 381 |
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| 382 | if (not (defined $wpart)) {
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| 383 | if (length($part) > 13) {
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| 384 | open(STDOUT2,">&STDOUT") || die "Unable to open STDOUT2";
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| 385 | select(STDOUT2);
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| 386 | write;
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| 387 | open(FLOG2,">&FLOG") || die "Unable to open FLOG2";
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| 388 | select(FLOG2);
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| 389 | write;
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| 390 | select(STDOUT);
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| 391 | close(FLOG2);
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| 392 | close(STDOUT2);
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| 393 | } else {
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| 394 | open(STDOUT1,">&STDOUT") || die "Unable to open STDOUT1";
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| 395 | select(STDOUT1);
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| 396 | write;
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| 397 | open(FLOG1,">&FLOG") || die "Unable to open FLOG1";
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| 398 | select(FLOG1);
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| 399 | write;
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| 400 | select(STDOUT);
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| 401 | close(FLOG1);
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| 402 | close(STDOUT1);
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| 403 | }
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| 404 | } else {
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| 405 | # manage the -s option of fdisk here
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| 406 | my $s = int(eval("$length/1048576*$un*1024"));
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| 407 | print "$s\n" if ($part eq $wpart);
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| 408 | print FLOG "$part has $s Bytes\n" if ($part eq $wpart);
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| 409 | }
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| 410 | }
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| 411 | close(FDISK);
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| 412 | close(PARTED);
|
|---|
| 413 | }
|
|---|
| 414 |
|
|---|
| 415 | #
|
|---|
| 416 | # Get max size from fdisk
|
|---|
| 417 | #
|
|---|
| 418 | sub get_max {
|
|---|
| 419 |
|
|---|
| 420 | my $device = shift;
|
|---|
| 421 | my $max = 0;
|
|---|
| 422 | my $foo;
|
|---|
| 423 |
|
|---|
| 424 | open (FDISK, "$fdisk -l $device |") || die "Unable to read from $fdisk";
|
|---|
| 425 | while (<FDISK>) {
|
|---|
| 426 | if ($_ =~ /^Disk/) {
|
|---|
| 427 | ($foo, $un , $foo) = split /=/;
|
|---|
| 428 | $max =~ s/.*sectors,([0-9]+) cylinders/$1/g;
|
|---|
| 429 | $max = eval($max);
|
|---|
| 430 | }
|
|---|
| 431 | }
|
|---|
| 432 | close(FDISK);
|
|---|
| 433 | print FLOG "get_max returns $max\n";
|
|---|
| 434 | return($max);
|
|---|
| 435 | }
|
|---|
| 436 |
|
|---|
| 437 | #
|
|---|
| 438 | # Get units from fdisk
|
|---|
| 439 | #
|
|---|
| 440 | sub get_un {
|
|---|
| 441 |
|
|---|
| 442 | my $device = shift;
|
|---|
| 443 | my $wpart = shift;
|
|---|
| 444 | my $un = 0;
|
|---|
| 445 | my $foo;
|
|---|
| 446 |
|
|---|
| 447 | open (FDISK, "$fdisk -l $device |") || die "Unable to read from $fdisk";
|
|---|
| 448 | while (<FDISK>) {
|
|---|
| 449 | print if (($_ !~ /^\/dev\//) and (not (defined $wpart)));
|
|---|
| 450 | if ($_ =~ /^Units/) {
|
|---|
| 451 | ($foo, $un , $foo) = split /=/;
|
|---|
| 452 | $un =~ s/[A-z\s=]//g;
|
|---|
| 453 | $un = eval($un);
|
|---|
| 454 | }
|
|---|
| 455 | }
|
|---|
| 456 | close(FDISK);
|
|---|
| 457 | print FLOG "get_un returns $un\n";
|
|---|
| 458 | return($un);
|
|---|
| 459 | }
|
|---|
| 460 |
|
|---|
| 461 | sub get_parted {
|
|---|
| 462 |
|
|---|
| 463 | my $device = shift;
|
|---|
| 464 | my $start = shift;
|
|---|
| 465 | my $end = shift;
|
|---|
| 466 | my $type = shift;
|
|---|
| 467 | my $flags = shift;
|
|---|
| 468 | my $d;
|
|---|
| 469 | my $n;
|
|---|
| 470 |
|
|---|
| 471 | open (PARTED, "$parted -s $device print |") || die "Unable to read from $parted";
|
|---|
| 472 | # Skip 3 first lines
|
|---|
| 473 | $d = <PARTED>;
|
|---|
| 474 | $d = <PARTED>;
|
|---|
| 475 | $d = <PARTED>;
|
|---|
| 476 | print FLOG "Got from parted: \n";
|
|---|
| 477 | print FLOG "Minor Start End Filesystem Flags\n";
|
|---|
| 478 | # Get info from each partition line
|
|---|
| 479 | while (($n,$d) = split(/\s/, <PARTED>,2)) {
|
|---|
| 480 | chomp($d);
|
|---|
| 481 | next if ($n !~ /^[1-9]/);
|
|---|
| 482 | $d =~ s/^\s*//;
|
|---|
| 483 | $d =~ s/\s+/ /g;
|
|---|
| 484 | ($$start{$n},$$end{$n},$$type{$n},$$flags{$n}) = split(/ /,$d);
|
|---|
| 485 | $$start{$n} = "" if (not defined $$start{$n});
|
|---|
| 486 | $$end{$n} = "" if (not defined $$end{$n});
|
|---|
| 487 | $$type{$n} = "" if (not defined $$type{$n});
|
|---|
| 488 | $$flags{$n} = "" if (not defined $$flags{$n});
|
|---|
| 489 | print FLOG "$n $$start{$n} $$end{$n} $$type{$n} $$flags{$n}\n";
|
|---|
| 490 | }
|
|---|
| 491 | close(PARTED);
|
|---|
| 492 | }
|
|---|
| 493 |
|
|---|
| 494 | # Based on Version 2.4 27-Sep-1996 Charles Bailey bailey@genetics.upenn.edu
|
|---|
| 495 | # in Basename.pm
|
|---|
| 496 |
|
|---|
| 497 | sub basename {
|
|---|
| 498 |
|
|---|
| 499 | my($fullname) = shift;
|
|---|
| 500 |
|
|---|
| 501 | my($dirpath,$basename);
|
|---|
| 502 |
|
|---|
| 503 | ($dirpath,$basename) = ($fullname =~ m#^(.*/)?(.*)#s);
|
|---|
| 504 |
|
|---|
| 505 | return($basename);
|
|---|
| 506 | }
|
|---|
| 507 |
|
|---|
| 508 | sub myexit {
|
|---|
| 509 |
|
|---|
| 510 | my $val=shift;
|
|---|
| 511 |
|
|---|
| 512 | close(FLOG);
|
|---|
| 513 | exit($val);
|
|---|
| 514 | }
|
|---|
| 515 |
|
|---|
| 516 | sub which_type {
|
|---|
| 517 |
|
|---|
| 518 | my $device = shift;
|
|---|
| 519 | my $type = "";
|
|---|
| 520 |
|
|---|
| 521 | open (FDISK, "$fdisk -l $device |") || die "Unable to read from $fdisk";
|
|---|
| 522 | while (<FDISK>) {
|
|---|
| 523 | if ($_ =~ /EFI GPT/) {
|
|---|
| 524 | $type= "gpt";
|
|---|
| 525 | print FLOG "Found a GPT partition format\n";
|
|---|
| 526 | last;
|
|---|
| 527 | }
|
|---|
| 528 | }
|
|---|
| 529 | close(FDISK);
|
|---|
| 530 | open (PARTED, "$parted -s $device print|") || die "Unable to read from $fdisk";
|
|---|
| 531 | while (<PARTED>) {
|
|---|
| 532 | if ($_ =~ /Disk label type: msdos/) {
|
|---|
| 533 | $type= "msdos";
|
|---|
| 534 | print FLOG "Found a msdos partition format\n";
|
|---|
| 535 | last;
|
|---|
| 536 | }
|
|---|
| 537 | }
|
|---|
| 538 | close(FDISK);
|
|---|
| 539 | return ($type);
|
|---|
| 540 | }
|
|---|
| 541 |
|
|---|
| 542 | sub mysyn {
|
|---|
| 543 | print "Syntax: $0 [-l] device | [-s] partition\n";
|
|---|
| 544 | myexit(-1);
|
|---|
| 545 | }
|
|---|
