webcopy.in 2.3 KB
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#!/usr/bin/perl -w

#
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# Copyright (c) 2005, 2014 University of Utah and the Flux Group.
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# 
# {{{EMULAB-LICENSE
# 
# This file is part of the Emulab network testbed software.
# 
# This file is free software: you can redistribute it and/or modify it
# under the terms of the GNU Affero General Public License as published by
# the Free Software Foundation, either version 3 of the License, or (at
# your option) any later version.
# 
# This file 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 Affero General Public
# License for more details.
# 
# You should have received a copy of the GNU Affero General Public License
# along with this file.  If not, see <http://www.gnu.org/licenses/>.
# 
# }}}
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#

use English;
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use Cwd qw(realpath);
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#
# Configure variables
#
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my $TB		 = "@prefix@";
my $FSDIR_PROJ	 = "@FSDIR_PROJ@";
my $FSDIR_GROUPS = "@FSDIR_GROUPS@";
my $ISFS	 = ("@BOSSNODE_IP@" eq "@FSNODE_IP@") ? 1 : 0;
my $WITHAMD	 = "@WITHAMD@";
my $AMDROOT	 = "@AMD_ROOT@";
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use lib "@prefix@/lib";
use libdb;
use libtestbed;

if ($UID == 0) {
    die("*** $0: Cannot be run as root\n");
}

# un-taint path
$ENV{'PATH'} = "/bin:/usr/bin:/usr/local/bin:$TB/bin";
delete @ENV{'IFS', 'CDPATH', 'ENV', 'BASH_ENV'};

#
# Handle command-line arguments
#
sub usage() {
    warn "Usage: $0 <src> <dst>\n";
    exit(-1);
}

if (@ARGV != 2) {
    usage();
}

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$src = realpath($ARGV[0]);
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if ($src =~ /^([-\w\/.]+)$/) {
    $src = $1;
} else {
    die("*** Tainted source: $src\n");
}

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$dst = realpath($ARGV[1]);
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if ($dst =~ /^([-\w\/.]+)$/) {
    $dst = $1;
} else {
    die("*** Tainted destination: $dst\n");
}

my $tmpdir = $ENV{'TMPDIR'};
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$tmpdir = "/var/tmp"
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    if (!defined($tmpdir));
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if ($src =~ /^($tmpdir\/php[\w]+)$/) {
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    $src = $1;
} else {
    die("*** Source isn't a php temp file.\n");
}

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my ($pr,$gr);
if ($ISFS) {
    $pr = FSDIR_PROJ;
    $gr = FSDIR_GROUPS;
} else {
    $pr = PROJROOT();
    $gr = GROUPROOT();
    if ($AMDROOT) {
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	$pr = "${AMDROOT}$pr";
	$gr = "${AMDROOT}$gr";
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    }
}
if ($dst =~ /^(($pr|$gr)\/[-\w\/.]+)$/) {
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    $dst = $1;
} else {
    die("*** Destination must be in " 
	. PROJROOT() . " or " . GROUPROOT() . "\n");
}

system("cp $src $dst");
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if (-e $dst) {
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    chmod(0644, $dst);
}

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exit $?;