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#!/usr/bin/perl
#============================================================= -*-perl-*-
#
# BackupPC_ls: emulate a simple subset of ls to make it easy to
# navigate stored backups
#
# DESCRIPTION
#
# Usage: BackupPC_ls path
#
# AUTHOR
# Craig Barratt <cbarratt@users.sourceforge.net>
#
# COPYRIGHT
# Copyright (C) 2005-2020 Craig Barratt
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
#========================================================================
#
# Version 4.4.0, released 20 Jun 2020.
#
# See http://backuppc.sourceforge.net.
#
#========================================================================
use strict;
no utf8;
use lib "__INSTALLDIR__/lib";
use BackupPC::Lib;
use BackupPC::XS qw ( :all );
use BackupPC::View;
use Data::Dumper;
use Getopt::Std;
die("BackupPC::Lib->new failed\n") if ( !(my $bpc = BackupPC::Lib->new) );
my $TopDir = $bpc->TopDir();
my $BinDir = $bpc->BinDir();
my %Conf = $bpc->Conf();
my($Host, $Num, $Share, $View, @Backups);
my %opts;
if ( !getopts("Rih:n:s:", \%opts) || @ARGV < 1 ) {
usageAndExit();
}
while ( my $dir = shift(@ARGV) ) {
my $i;
if ( $dir =~ m{^\Q$TopDir\E/pc/([^/]*)/(\d+)/(.*)} ) {
$Host = $1;
$Num = $2;
$dir = $3;
if ( $dir =~ m{(.*?)(/.*)} ) {
$Share = $1;
$dir = $2;
} else {
$Share = $dir;
$dir = "/";
}
$dir = $bpc->fileNameUnmangle($dir) if ( $dir !~ m{/[^f]} && -d "$TopDir/pc/$Host/$Num/$Share/$dir" );
$Share = $bpc->fileNameUnmangle($Share) if ( $Share =~ /^f/ && -d "$TopDir/pc/$Host/$Num/$Share" );
} else {
if ( !defined($opts{h}) || !defined($opts{n}) || !defined($opts{s}) ) {
print(STDERR "Can't determine host or backup number from path - need to specific -h, -n and -s\n");
usageAndExit();
}
$Host = $opts{h};
$Num = $opts{n};
$Share = $opts{s};
}
@Backups = $bpc->BackupInfoRead($Host);
$Num = $Backups[@Backups + $Num]{num} if ( -@Backups <= $Num && $Num < 0 );
for ( $i = 0 ; $i < @Backups ; $i++ ) {
last if ( $Backups[$i]{num} == $Num );
}
if ( $i >= @Backups ) {
print(STDERR "Backup #$Num doesn't exist for host $Host\n");
exit(1);
}
$View = BackupPC::View->new($bpc, $Host, \@Backups);
printDir($dir);
}
sub usageAndExit
{
print(STDERR "usage: $0 [-iR] [-h host] [-n bkupNum] [-s shareName] dirs/files...\n");
exit(1);
}
sub printDir
{
my($dir) = @_;
my($fileName, $info, $dirList);
$dir =~ s{/+$}{};
$dir =~ s{^/+}{/};
$dir = "/" if ( $dir eq "" );
my $info = $View->dirAttrib($Num, $Share, $dir);
#print("Num = $Num, Share = $Share, dir = $dir\n");
#print Dumper($info);
print("$dir:\n");
foreach my $file ( sort(keys(%$info)) ) {
my($str, $s, $fileData);
my @type2modeChar = ("-", "-", "l", "c", "b", "d", "p", "s", "?", "x");
my @type2suffixChar = ("", "", "@", "%", "%", "/", "|", "=", "", "");
my $attr = $info->{$file};
if (
(
$attr->{type} == BPC_FTYPE_SYMLINK
|| $attr->{type} == BPC_FTYPE_CHARDEV
|| $attr->{type} == BPC_FTYPE_BLOCKDEV
|| $attr->{type} == BPC_FTYPE_HARDLINK
)
&& $attr->{digest} ne ""
) {
#
# read the file
# TODO - handle v3 backups
#
my $f = $bpc->MD52Path($attr->{digest}, $attr->{compress});
if ( defined(my $fd = BackupPC::XS::FileZIO::open($f, 0, $attr->{compress})) ) {
my $target;
$fd->read(\$fileData, 65536);
$fd->close();
} else {
$fileData = "???";
}
}
$str = "";
if ( $opts{i} ) {
$str .= sprintf("%6d/%-3d ", $attr->{inode}, $attr->{nlinks} > 0 ? $attr->{nlinks} : 1);
}
if ( $attr->{type} == BPC_FTYPE_DELETED ) {
$str .= "*deleted--";
} else {
$str .= $type2modeChar[$attr->{type}] || "-";
for ( my $i = 6 ; $i >= 0 ; $i -= 3 ) {
$str .= ($attr->{mode} & (1 << ($i + 2))) ? "r" : '-';
$str .= ($attr->{mode} & (1 << ($i + 1))) ? "w" : '-';
$str .= ($attr->{mode} & (1 << ($i + 0))) ? "x" : '-';
}
}
$str .= defined($attr->{xattr}) ? "+" : " ";
$s = sprintf("%d/%d", $attr->{uid}, $attr->{gid});
$str .= sprintf(" %8s", $s);
if ( ($attr->{type} == BPC_FTYPE_CHARDEV || $attr->{type} == BPC_FTYPE_BLOCKDEV) && $fileData ne "" ) {
$str .= sprintf(" %10s", $fileData);
} else {
$str .= sprintf(" %10llu", $attr->{size});
}
$str .= " " . $bpc->timeStamp($attr->{mtime});
my $nameStr = "$dir/$attr->{name}";
$nameStr =~ s{//+}{/}g;
$str .= " " . $nameStr;
$str .= $type2suffixChar[$attr->{type}];
if ( $attr->{type} == BPC_FTYPE_SYMLINK && $fileData ne "" ) {
$str .= " -> " . $fileData;
}
if ( $attr->{type} == BPC_FTYPE_HARDLINK && $fileData =~ m{(.*)/(.*)} ) {
#
# Update digest to the hardlink target file
#
my $d = $1;
my $f = $2;
my $v = $View->dirAttrib($Num, $Share, $d);
$attr->{digest} = $v->{$f}{digest} if ( $v->{$f} && length($v->{$f}{digest}) );
}
if ( length($attr->{digest}) ) {
$str .= " (" . unpack("H*", $attr->{digest}) . ")";
}
print($str, "\n");
push(@$dirList, $file) if ( $attr->{type} == BPC_FTYPE_DIR );
}
if ( $opts{R} ) {
foreach my $file ( @$dirList ) {
printDir("$dir/$file");
}
}
$bpc->flushXSLibMesgs();
}
|
