addbugdbuser.in 3.41 KB
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#!/usr/bin/perl -wT
#
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# Copyright (c) 2005, 2006, 2007 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;
use Getopt::Std;

#
# Add a user to the bugdb on ops.
#
sub usage()
{
    print STDOUT "Usage: addbugdbuser [-m] <uid>\n";
    exit(-1);
}
my $optlist = "dm";
my $debug   = 0;
my $modify  = 0;

#
# Configure variables
#
my $TB		= "@prefix@";
my $TBOPS       = "@TBOPSEMAIL@";
my $CONTROL     = "@USERNODE@";
my $BOSSNODE	= "@BOSSNODE@";
my $BUGDBSUPPORT= @BUGDBSUPPORT@;
my $SSH         = "$TB/bin/sshtb";
my $BUGDBPROXY  = "$TB/sbin/bugdbproxy";

#
# Untaint the path
# 
$ENV{'PATH'} = "/bin:/usr/bin";
delete @ENV{'IFS', 'CDPATH', 'ENV', 'BASH_ENV'};

#
# Turn off line buffering on output
#
$| = 1;

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# Protos
sub fatal($);

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#
# Load the Testbed support stuff. 
#
use lib "@prefix@/lib";
use libdb;
use libtestbed;
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use User;
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#
# We don't want to run this script unless its the real version.
#
if ($EUID != 0) {
    die("*** $0:\n".
	"    Must be setuid! Maybe its a development version?\n");
}

#
# This script is setuid, so please do not run it as root. Hard to track
# what has happened.
# 
if ($UID == 0) {
    die("*** $0:\n".
	"    Please do not run this as root! Its already setuid!\n");
}

#
# If no wiki support, just exit. 
#
if (! $BUGDBSUPPORT) {
    print "Bug DB support is not enabled. Exit ...\n";
    exit(0);
}

#
# Parse command arguments. Once we return from getopts, all that should be
# left are the required arguments.
#
%options = ();
if (! getopts($optlist, \%options)) {
    usage();
}
if (defined($options{"d"})) {
    $debug = 1;
}
if (defined($options{"m"})) {
    $modify = 1;
}
if (@ARGV != 1) {
    usage();
}
my $uid = $ARGV[0];

#
# Untaint args.
#
if ($uid =~ /^([-\w]+)$/) {
    $uid = $1;
}
else {
    die("Bad data in uid: $uid");
}

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# Map target user to object.
my $target_user = User->Lookup($uid);
if (! defined($target_user)) {
    fatal("$uid does not exist!");
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}
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# Need the password hash ...
my $passhash = $target_user->pswd();
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# shell escape.
$passhash =~ s/\$/\\\$/g;
$passhash =~ s/\*/\\\*/g;

#
# This script always does the right thing, so no permission checks.
# In fact, all it does it call over to ops to run a script over there.
#
# For ssh.
#
$UID = $EUID;

if ($CONTROL ne $BOSSNODE) {
    my $optarg = ($debug ? "-d" : "");
    my $addarg = "";

    if ($modify) {
	print "Changing user $uid info in the Bug DB on $CONTROL.\n";
	$addarg = "-m";
    }
    else {
	print "Adding user $uid to the Bug DB on $CONTROL.\n";
    }

    if (system("$SSH -host $CONTROL $BUGDBPROXY ".
	       "  $optarg adduser $addarg $uid '$passhash'")) {
	fatal("$BUGDBPROXY failed on $CONTROL!");
    }
}
exit(0);

sub fatal($)
{
    my($mesg) = $_[0];

    die("*** $0:\n".
	"    $mesg\n");
}