Software: Apache. PHP/5.5.15 uname -a: Windows NT SVR-DMZ 6.1 build 7600 (Windows Server 2008 R2 Enterprise Edition) i586 SYSTEM Safe-mode: OFF (not secure) E:\xampp\xampp\perl\bin\ drwxrwxrwx |
Viewing file: shasum.bat (8.16 KB) -rwxrwxrwx Select action/file-type: (+) | (+) | (+) | Code (+) | Session (+) | (+) | SDB (+) | (+) | (+) | (+) | (+) | (+) | @rem = '--*-Perl-*-- @echo off if "%OS%" == "Windows_NT" goto WinNT perl -x -S "%0" %1 %2 %3 %4 %5 %6 %7 %8 %9 goto endofperl :WinNT perl -x -S %0 %* if NOT "%COMSPEC%" == "%SystemRoot%\system32\cmd.exe" goto endofperl if %errorlevel% == 9009 echo You do not have Perl in your PATH. if errorlevel 1 goto script_failed_so_exit_with_non_zero_val 2>nul goto endofperl @rem '; #!perl #line 15 eval 'exec \xampp\xampp\perl\bin\perl.exe -S $0 ${1+"$@"}' if $running_under_some_shell; #!perl -w # shasum: filter for computing SHA digests (analogous to sha1sum) # # Copyright (C) 2003-2008 Mark Shelor, All Rights Reserved # # Version: 5.47 # Wed Apr 30 04:00:54 MST 2008 =head1 NAME shasum - Print or Check SHA Checksums =head1 SYNOPSIS Usage: shasum [OPTION] [FILE]... or: shasum [OPTION] --check [FILE] Print or check SHA checksums. With no FILE, or when FILE is -, read standard input. -a, --algorithm 1 (default), 224, 256, 384, 512 -b, --binary read files in binary mode (default on DOS/Windows) -c, --check check SHA sums against given list -p, --portable read files in portable mode produces same digest on Windows/Unix/Mac -t, --text read files in text mode (default) The following two options are useful only when verifying checksums: -s, --status don't output anything, status code shows success -w, --warn warn about improperly formatted SHA checksum lines -h, --help display this help and exit -v, --version output version information and exit The sums are computed as described in FIPS PUB 180-2. When checking, the input should be a former output of this program. The default mode is to print a line with checksum, a character indicating type (`*' for binary, `?' for portable, ` ' for text), and name for each FILE. =head1 DESCRIPTION The I<shasum> script provides the easiest and most convenient way to compute SHA message digests. Rather than writing a program, the user simply feeds data to the script via the command line, and waits for the results to be printed on standard output. Data can be fed to I<shasum> through files, standard input, or both. The following command shows how easy it is to compute digests for typical inputs such as the NIST test vector "abc": perl -e "print qw(abc)" | shasum Or, if you want to use SHA-256 instead of the default SHA-1, simply say: perl -e "print qw(abc)" | shasum -a 256 Since I<shasum> uses the same interface employed by the familiar I<sha1sum> program (and its somewhat outmoded anscestor I<md5sum>), you can install this script as a convenient drop-in replacement. =head1 AUTHOR Copyright (c) 2003-2008 Mark Shelor <mshelor@cpan.org>. =head1 SEE ALSO shasum is implemented using the Perl module L<Digest::SHA> or L<Digest::SHA::PurePerl>. =cut use strict; use FileHandle; use Getopt::Long; my $VERSION = "5.47"; # Try to use Digest::SHA, since it's faster. If not installed, # use Digest::SHA::PurePerl instead. my $MOD_PREFER = "Digest::SHA"; my $MOD_SECOND = "Digest::SHA::PurePerl"; my $module = $MOD_PREFER; eval "require $module"; if ($@) { $module = $MOD_SECOND; eval "require $module"; die "Unable to find $MOD_PREFER or $MOD_SECOND\n" if $@; } # Usage statement adapted from Ulrich Drepper's md5sum. # Include an "-a" option for algorithm selection, # and a "-p" option for portable digest computation. sub usage { my($err, $msg) = @_; $msg = "" unless defined $msg; if ($err) { warn($msg . "Type shasum -h for help\n"); exit($err); } print <<'END_OF_USAGE'; Usage: shasum [OPTION] [FILE]... or: shasum [OPTION] --check [FILE] Print or check SHA checksums. With no FILE, or when FILE is -, read standard input. -a, --algorithm 1 (default), 224, 256, 384, 512 -b, --binary read files in binary mode (default on DOS/Windows) -c, --check check SHA sums against given list -p, --portable read files in portable mode produces same digest on Windows/Unix/Mac -t, --text read files in text mode (default) The following two options are useful only when verifying checksums: -s, --status don't output anything, status code shows success -w, --warn warn about improperly formatted SHA checksum lines -h, --help display this help and exit -v, --version output version information and exit The sums are computed as described in FIPS PUB 180-2. When checking, the input should be a former output of this program. The default mode is to print a line with checksum, a character indicating type (`*' for binary, `?' for portable, ` ' for text), and name for each FILE. Report bugs to <mshelor@cpan.org>. END_OF_USAGE exit($err); } # Collect options from command line my ($alg, $binary, $check, $text, $status, $warn, $help, $version); my ($portable); eval { Getopt::Long::Configure ("bundling") }; GetOptions( 'b|binary' => \$binary, 'c|check' => \$check, 't|text' => \$text, 'a|algorithm=i' => \$alg, 's|status' => \$status, 'w|warn' => \$warn, 'h|help' => \$help, 'v|version' => \$version, 'p|portable' => \$portable ) or usage(1, ""); # Deal with help requests and incorrect uses usage(0) if $help; usage(1, "shasum: Ambiguous file mode\n") if scalar(grep { defined $_ } ($binary, $portable, $text)) > 1; usage(1, "shasum: --warn option used only when verifying checksums\n") if $warn && !$check; usage(1, "shasum: --status option used only when verifying checksums\n") if $status && !$check; # Default to SHA-1 unless overriden by command line option $alg = 1 unless $alg; grep { $_ == $alg } (1, 224, 256, 384, 512) or usage(1, "shasum: Unrecognized algorithm\n"); # Display version information if requested if ($version) { print "$VERSION\n"; exit(0); } # Try to figure out if the OS is DOS-like. If it is, # default to binary mode when reading files, unless # explicitly overriden by command line "--text" or # "--portable" options. my $isDOSish = ($^O =~ /^(MSWin\d\d|os2|dos|mint|cygwin)$/); if ($isDOSish) { $binary = 1 unless $text || $portable } my $modesym = $binary ? '*' : ($portable ? '?' : ' '); # Read from STDIN (-) if no files listed on command line @ARGV = ("-") unless @ARGV; # sumfile($file): computes SHA digest of $file sub sumfile { my $file = shift; my $mode = $portable ? 'p' : ($binary ? 'b' : ''); my $digest = eval { $module->new($alg)->addfile($file, $mode) }; if ($@) { warn "shasum: $file: $!\n"; return; } $digest->hexdigest; } # %len2alg: maps hex digest length to SHA algorithm my %len2alg = (40 => 1, 56 => 224, 64 => 256, 96 => 384, 128 => 512); # Verify checksums if requested if ($check) { my $checkfile = shift(@ARGV); my ($err, $read_errs, $match_errs) = (0, 0, 0); my ($num_files, $num_checksums) = (0, 0); my ($fh, $sum, $fname, $rsp, $digest); die "shasum: $checkfile: $!\n" unless $fh = FileHandle->new($checkfile, "r"); while (<$fh>) { s/\s+$//; ($sum, $modesym, $fname) = /^(\S+) (.)(.*)$/; ($binary, $portable, $text) = map { $_ eq $modesym } ('*', '?', ' '); unless ($alg = $len2alg{length($sum)}) { warn("shasum: $checkfile: $.: improperly " . "formatted SHA checksum line\n") if $warn; next; } $rsp = "$fname: "; $num_files++; unless ($digest = sumfile($fname)) { $rsp .= "FAILED open or read\n"; $err = 1; $read_errs++; } else { $num_checksums++; if (lc($sum) eq $digest) { $rsp .= "OK\n" } else { $rsp .= "FAILED\n"; $err = 1; $match_errs++ } } print $rsp unless $status; } $fh->close; unless ($status) { warn("shasum: WARNING: $read_errs of $num_files listed " . "files could not be read\n") if $read_errs; warn("shasum: WARNING: $match_errs of $num_checksums " . "computed checksums did NOT match\n") if $match_errs; } exit($err); } # Compute and display SHA checksums of requested files my($file, $digest); for $file (@ARGV) { if ($digest = sumfile($file)) { print "$digest $modesym", "$file\n"; } } __END__ :endofperl |
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