mkproj.in 6.49 KB
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#!/usr/bin/perl -wT
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#
# EMULAB-COPYRIGHT
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# Copyright (c) 2000-2003, 2005 University of Utah and the Flux Group.
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# All rights reserved.
#

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use English;

#
# Make a project directory hierarchy. Must be called as tbroot.
# Creates a directory rooted /proj/pid. The directory is setuid
# to the project leader, and setgid to the project gid. We get
# this info from the database.
#
# usage: mkproj <pid>
#

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sub fatal($);

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#
# Configure variables
#
my $TB       = "@prefix@";
my $TBOPS    = "@TBOPSEMAIL@";
my $MKGROUP  = "$TB/sbin/mkgroup";
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my $SETGROUPS= "$TB/sbin/setgroups";
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my $MKACCT   = "$TB/sbin/tbacct add";
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my $GRANTTYPE= "$TB/sbin/grantnodetype -d";
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my $WIKISUPPORT = @WIKISUPPORT@;
my $ADDWIKIPROJ = "$TB/sbin/addwikiproj";
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my $PROJROOT = "/proj";
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my $GRPROOT  = "/groups";
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my $TFTPROOT = "/tftpboot";
my @DIRLIST  = ("exp", "images", "logs", "deltas", "tarfiles", "rpms",
		"groups", "tiplogs");
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my $projhead;
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#
# Untaint the path
# 
$ENV{'PATH'} = "/bin:/usr/bin";
delete @ENV{'IFS', 'CDPATH', 'ENV', 'BASH_ENV'};

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

#
# Load the Testbed support stuff. 
#
use lib "@prefix@/lib";
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use libaudit;
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use libdb;
use libtestbed;

#
# 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");
}

#
# Check args.
#
if ($#ARGV < 0) {
    die("Usage: mkprojdir <pid>\n");
}
my $pid = $ARGV[0];

#
# Untaint the argument.
#
if ($pid =~ /^([-\@\w.]+)$/) {
    $pid = $1;
}
else {
    die("Invalid pid '$pid' contains illegal characters.\n");
}

#
# Figure out who called us. Only with admin status in the DB can run
# this script.
#
if (!TBAdmin($UID)) {
    die("*** $0:\n".
	"    You must be a TB administrator to run this script!\n");
}

#
# We need the project leader name.
#
if (! ($projhead = ProjLeader($pid))) {
    die("*** $0:\n".
	"    Could not get project leader for project $pid!\n");
}

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#
# This script is always audited. Mail is sent automatically upon exit.
#
if (AuditStart(0)) {
    #
    # Parent exits normally
    #
    exit(0);
}

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#
# Before we can proceed, we need to create the project (unix) group
# and then create an account for the project leader. We pass this off
# to sub scripts, but because they are also setuid, we need to flip
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# our UID (perl sillyness).
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#
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$EUID = $UID;
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system("$MKGROUP $pid $pid") == 0 or
    fatal("$MKGROUP $pid failed!");
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if ($WIKISUPPORT) {
    system("$ADDWIKIPROJ $pid") == 0 or
	fatal("$ADDWIKIPROJ $pid failed!");
}

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system("$MKACCT $projhead") == 0 or
    fatal("$MKACCT $projhead failed!");

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system("$SETGROUPS $projhead") == 0 or
    fatal("$SETGROUPS $projhead failed!");

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$EUID = 0;
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#
# This acts as check (and we need the numeric uid) in case mkacct failed!
# 
my (undef,undef,$uid) = getpwnam($projhead)
    or fatal("$projhead not in passwd file");

my (undef,undef,$gid) = getgrnam($pid)
    or fatal("$pid not in group file");

#
# Okay, do it.
#
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if (! -e "$PROJROOT/$pid") {
    if (! mkdir("$PROJROOT/$pid", 0770)) {
	fatal("Could not make directory $PROJROOT/$pid: $!");
    }
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    if (! chmod(0770, "$PROJROOT/$pid")) {
	fatal("Could not chmod directory $PROJROOT/$pid: $!");
    }
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    if (! chown($uid, $gid, "$PROJROOT/$pid")) {
	fatal("Could not chown $PROJROOT/$pid to $uid/$gid: $!");
    }
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}

#
# Make project subdirs.
#
foreach my $dir (@DIRLIST) {
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    if (! -e "$PROJROOT/$pid/$dir") {
	if (! mkdir("$PROJROOT/$pid/$dir", 0770)) {
	    fatal("Could not make directory $PROJROOT/$pid/$dir: $!");
	}
	if (! chmod(0770, "$PROJROOT/$pid/$dir")) {
	    fatal("Could not chmod directory $PROJROOT/$pid/$dir: $!");
	}
	if (! chown($uid, $gid, "$PROJROOT/$pid/$dir")) {
	    fatal("Could not chown $PROJROOT/$pid/$dir to $uid/$gid: $!");
	}
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    }
}

#
# Create a tftp directory for oskit kernels.
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#
if (! -e "$TFTPROOT/proj/$pid") {
    if (! mkdir("$TFTPROOT/proj/$pid", 0770)) {
	fatal("Could not make directory $TFTPROOT/proj/$pid: $!");
    }
    if (! chmod(0777, "$TFTPROOT/proj/$pid")) {
	fatal("Could not chmod directory $TFTPROOT/proj/$pid: $!");
    }
    if (! chown($uid, $gid, "$TFTPROOT/proj/$pid")) {
	fatal("Could not chown $TFTPROOT/proj/$pid to $uid/$gid: $!");
    }
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}

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#
# Create groups directory.
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#
if (! -e "$GRPROOT/$pid") {
    if (! mkdir("$GRPROOT/$pid", 0770)) {
	fatal("Could not make directory $GRPROOT/$pid: $!");
    }
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    if (! chmod(0770, "$GRPROOT/$pid")) {
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	fatal("Could not chmod directory $GRPROOT/$pid: $!");
    }
    if (! chown($uid, $gid, "$GRPROOT/$pid")) {
	fatal("Could not chown $GRPROOT/$pid to $uid/$gid: $!");
    }
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    # Create a group link for the default group.
    if (! -e "$GRPROOT/$pid/$pid") {    
	if (system("ln -s $PROJROOT/$pid $GRPROOT/$pid/$pid")) {
	    fatal("Could not symlink $PROJROOT/$pid to $GRPROOT/$pid/$pid");
	}
    }
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}

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#
# Create experiment working directory.
#
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my $workdir = TBDB_EXPT_WORKDIR() . "/$pid";
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if (! -e $workdir) {
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    if (! mkdir("$workdir", 0775)) {
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	fatal("Could not make directory $workdir: $!");
    }
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    if (! chmod(0775, "$workdir")) {
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	fatal("Could not chmod directory $workdir: $!");
    }
    if (! chown($uid, $gid, "$workdir")) {
	fatal("Could not chown $workdir to $uid/$gid: $!");
    }
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}

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#
# If approved to use remote nodes, then grant permission to use the
# specific types of virtual nodes on those remote physical nodes.
# Unfortunately, the node_types table does not store a relationship
# between the phys type and the virtual types that are hosted on them.
# Need to add that I guess, but in the meantime we have just 3 remote
# phys types to worry about. 
#
my $query_result =
    DBQueryFatal("select pcremote_ok from projects where pid='$pid'");
if ($query_result->num_rows) {
    my ($pcremote) = $query_result->fetchrow_array();

    if (defined($pcremote)) {
	print "$pcremote\n";
	
	foreach my $type (split(",", $pcremote)) {
	    print "$type\n";
	    
	    if ($type eq "pcplabphys") {
		$type = "pcplab";
	    }
	    elsif ($type eq "pcron") {
		$type = "pcvwa";
	    }
	    elsif ($type eq "pcwa") {
		$type = "pcvwa";
	    }
	    else {
		fatal("Unknown remote type $type!");
	    }
	    print "$type\n";
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	    $EUID = $UID;

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	    system("$GRANTTYPE -p $pid $type") == 0 or
		fatal("Could not grant permission to use type $type!");
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	    $EUID = 0;
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	}
    }
}

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print "Project Creation Completed!\n";
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exit(0);

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sub fatal($) {
    my($mesg) = $_[0];
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    die("*** $0:\n".
	"    $mesg\n");
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}