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verify-file
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2009-10-13
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#!/usr/bin/perl -w
#
# This is a file verification tool for lftp.
#
# Copyright (c) 2005 by Alexander V. Lukyanov (lav@yars.free.net)
#
# 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 2 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, write to the Free Software
# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
# $Id: verify-file,v 1.2 2005/06/21 14:30:04 lav Exp $
use Digest::MD5;
use String::CRC32;
$err=0;
file: foreach $file (@ARGV) {
$verified=0;
if(-d $file) {
print STDERR "$file: Is a directory\n";
$err++;
next;
}
unless(-r $file) {
print STDERR "$file: $!\n";
$err++;
next;
}
if($file=~m'/') {
($dir,$name)=($file=~m{(.*)/(.+)});
$dir='/' if $dir eq '';
} else {
$name=$file;
$dir='.';
}
@md5files=(glob("$dir/*md5{,sum}"),glob("$dir/*MD5{,SUM}"));
open MD5,'-|',qw{fgrep -w --},$name,'/dev/null',@md5files;
while(<MD5>) {
chomp;
($md5,$name1)=split;
($md5_file,$md5)=($md5=~m{(.*):(.*)});
$md5_file=~s{^\./}{};
next if $name1 ne $name;
$ctx=Digest::MD5->new;
open FILE,'<',$file;
$ctx->addfile(*FILE);
close FILE;
if(lc($md5) ne $ctx->hexdigest) {
print STDERR "$file: MD5 digest mismatch (md5 file: $md5_file)\n";
$err++;
$verified++;
} else {
print "$file: MD5 OK (md5 file: $md5_file)\n";
$verified++;
}
}
close MD5;
next file if $verified;
@sfvfiles=(glob("$dir/*.sfv"),glob("$dir/*.SFV"));
open SFV,'-|',qw{fgrep -w --},$name,'/dev/null',@sfvfiles;
while(<SFV>) {
chomp;
($name1,$crc32)=split;
($sfv_file,$name1)=($name1=~m{(.*):(.*)});
$sfv_file=~s{^\./}{};
next if $name1 ne $name;
open FILE,'<',$file;
$crc321=crc32(*FILE);
close FILE;
if($crc321!=hex($crc32)) {
print STDERR "$file: CRC32 mismatch (sfv file: $sfv_file)\n";
$err++;
$verified++;
} else {
print "$file: CRC32 OK (sfv file: $sfv_file)\n";
$verified++;
}
}
close SFV;
next file if $verified;
if($name=~/\.gz$/) {
system qw{gzip -tv},$file;
$e=($?>>8);
$err++ if $e;
next file;
}
if($name=~/\.bz2$/) {
system qw{bzip2 -tv},$file;
$e=($?>>8);
$err++ if $e;
next file;
}
if($name=~/\.zip$/) {
system qw{unzip -tqq},$file;
$e=($?>>8);
$err++ if $e;
next file;
}
if($name=~/\.rpm$/) {
system qw{rpm --checksig},$file;
$e=($?>>8);
$err++ if $e;
next file;
}
}
exit $err?1:0;