libsetup.pm 47.6 KB
Newer Older
1
2
#!/usr/bin/perl -wT

Leigh B. Stoller's avatar
Leigh B. Stoller committed
3
4
5
6
7
8
#
# EMULAB-COPYRIGHT
# Copyright (c) 2000-2002 University of Utah and the Flux Group.
# All rights reserved.
#

9
10
11
12
13
14
15
16
17
18
19
#
# Common routines and constants for the client bootime setup stuff.
#
package libsetup;
use Exporter;
@ISA = "Exporter";
@EXPORT =
    qw ( libsetup_init inform_reboot cleanup_node check_status
	 create_nicknames doifconfig dohostnames
	 doaccounts dorpms dotarballs dostartupcmd install_deltas
	 bootsetup nodeupdate startcmdstatus whatsmynickname
20
	 TBBackGround TBForkCmd remotenodeupdate remotenodevnodesetup
21

Leigh B. Stoller's avatar
Leigh B. Stoller committed
22
	 OPENTMCC CLOSETMCC RUNTMCC MFS REMOTE
23
24

	 TMCC TMIFC TMDELAY TMRPM TMTARBALLS TMHOSTS
25
26
	 TMNICKNAME HOSTSFILE TMSTARTUPCMD FINDIF TMTUNNELCONFIG
	 TMTRAFFICCONFIG TMROUTECONFIG TMVNODEDIR
27
28
29

	 TMCCCMD_REBOOT TMCCCMD_STATUS TMCCCMD_IFC TMCCCMD_ACCT TMCCCMD_DELAY
	 TMCCCMD_HOSTS TMCCCMD_RPM TMCCCMD_TARBALL TMCCCMD_STARTUP
30
	 TMCCCMD_DELTA TMCCCMD_STARTSTAT TMCCCMD_READY TMCCCMD_TRAFFIC
Leigh B. Stoller's avatar
Leigh B. Stoller committed
31
	 TMCCCMD_BOSSINFO TMCCCMD_VNODELIST TMCCCMD_ISALIVE
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58

       );

# Must come after package declaration!
use English;

#
# This is the home of the setup library on the client machine. The including
# program has to tell us this by calling the init routine below. For example,
# it is /etc/testbed on FreeBSD and /etc/rc.d/testbed on Linux.
#
my $SETUPDIR;

sub libsetup_init($)
{
    my($path) = @_;

    $SETUPDIR = $path;
}

#
# This "local" library provides the OS dependent part. Must load this after
# defining the above function cause the local library invokes it to set the
# $SETUPDIR
#
use liblocsetup;

59
60
61
62
63
64
65
#
# For virtual (multiplexed nodes). If defined, tack onto tmcc command.
# and use in pathnames. Not sure how this will be used later with jailed
# virtual nodes, since they will run in their own environment, but without
# jail we have to share the same namespace.
#
my $vnodeid	= "";
66
my $vnodedir;
67

68
69
70
71
72
73
74
75
76
77
78
79
80
81
#
# These are the paths of various files and scripts that are part of the
# setup library.
#
sub TMCC()		{ "$SETUPDIR/tmcc"; }
sub TMIFC()		{ "$SETUPDIR/rc.ifc"; }
sub TMRPM()		{ "$SETUPDIR/rc.rpm"; }
sub TMTARBALLS()	{ "$SETUPDIR/rc.tarballs"; }
sub TMSTARTUPCMD()	{ "$SETUPDIR/startupcmd"; }
sub TMHOSTS()		{ "$SETUPDIR/hosts"; }
sub TMNICKNAME()	{ "$SETUPDIR/nickname"; }
sub FINDIF()		{ "$SETUPDIR/findif"; }
sub HOSTSFILE()		{ "/etc/hosts"; }
sub TMMOUNTDB()		{ "$SETUPDIR/mountdb"; }
Austin Clements's avatar
Austin Clements committed
82
sub TMSFSMOUNTDB()	{ "$SETUPDIR/sfsmountdb"; }
83
84
85
86
sub TMROUTECONFIG()     { ($vnodedir ? $vnodedir : $SETUPDIR) . "/rc.route";}
sub TMTRAFFICCONFIG()	{ ($vnodedir ? $vnodedir : $SETUPDIR) . "/rc.traffic";}
sub TMTUNNELCONFIG()	{ ($vnodedir ? $vnodedir : $SETUPDIR) . "/rc.tunnel";}
sub TMVTUNDCONFIG()	{ ($vnodedir ? $vnodedir : $SETUPDIR) . "/vtund.conf";}
87
88
sub TMPASSDB()		{ "$SETUPDIR/passdb"; }
sub TMGROUPDB()		{ "$SETUPDIR/groupdb"; }
89

Austin Clements's avatar
Austin Clements committed
90
91
92
93
94
95
96
97
#
# Whether or not to use SFS (the self-certifying file system).  If this
# is 0, fall back to NFS.  Note that it doesn't hurt to set this to 1
# even if TMCD is not serving out SFS mounts, or if this node is not
# running SFS.  It'll deal and fall back to NFS.
#
my $USESFS		= 1;

98
#
99
100
101
102
103
# This is the VERSION. We send it through to tmcd so it knows what version
# responses this file is expecting.
#
# BE SURE TO BUMP THIS AS INCOMPATIBILE CHANGES TO TMCD ARE MADE!
#
Austin Clements's avatar
Austin Clements committed
104
sub TMCD_VERSION()	{ 6; };
105
106
107

#
# These are the TMCC commands. 
108
109
110
111
112
113
#
sub TMCCCMD_REBOOT()	{ "reboot"; }
sub TMCCCMD_STATUS()	{ "status"; }
sub TMCCCMD_IFC()	{ "ifconfig"; }
sub TMCCCMD_ACCT()	{ "accounts"; }
sub TMCCCMD_DELAY()	{ "delay"; }
114
sub TMCCCMD_HOSTS()	{ "hostnames"; }
115
116
117
118
119
120
121
sub TMCCCMD_RPM()	{ "rpms"; }
sub TMCCCMD_TARBALL()	{ "tarballs"; }
sub TMCCCMD_STARTUP()	{ "startupcmd"; }
sub TMCCCMD_DELTA()	{ "deltas"; }
sub TMCCCMD_STARTSTAT()	{ "startstatus"; }
sub TMCCCMD_READY()	{ "ready"; }
sub TMCCCMD_MOUNTS()	{ "mounts"; }
122
sub TMCCCMD_ROUTING()	{ "routing"; }
123
124
sub TMCCCMD_TRAFFIC()	{ "trafgens"; }
sub TMCCCMD_BOSSINFO()	{ "bossinfo"; }
125
sub TMCCCMD_TUNNEL()	{ "tunnels"; }
126
sub TMCCCMD_NSECONFIGS(){ "nseconfigs"; }
127
sub TMCCCMD_VNODELIST() { "vnodelist"; }
Leigh B. Stoller's avatar
Leigh B. Stoller committed
128
sub TMCCCMD_ISALIVE()   { "isalive"; }
Austin Clements's avatar
Austin Clements committed
129
130
sub TMCCCMD_SFSHOSTID()	{ "sfshostid"; }
sub TMCCCMD_SFSMOUNTS() { "sfsmounts"; }
131
132
133
134
135
136

#
# Some things never change.
# 
my $TARINSTALL  = "/usr/local/bin/install-tarfile %s %s";
my $DELTAINSTALL= "/usr/local/bin/install-delta %s";
137
my $VTUND       = "/usr/local/sbin/vtund";
138
139
140
141

#
# This is a debugging thing for my home network.
# 
142
#my $NODE	= "-p 7778 REDIRECT=192.168.100.1";
Austin Clements's avatar
Austin Clements committed
143
144
#my $NODE	= "-p 7779";
$NODE		= "";
145
146

# Locals
147
148
149
150
my $pid		= "";
my $eid		= "";
my $vname	= "";

Leigh B. Stoller's avatar
Leigh B. Stoller committed
151
152
153
154
# Control tmcc error condition and timeout. Dynamic, not lexical!
$tmccdie        = 1; 
$tmcctimeout    = 0;

155
156
157
158
# When on the MFS, we do a much smaller set of stuff.
# Cause of the way the packages are loaded (which I do not understand),
# this is computed on the fly instead of once.
sub MFS()	{ if (-e "$SETUPDIR/ismfs") { return 1; } else { return 0; } }
159

160
161
162
163
164
#
# Same for a remote node.
#
sub REMOTE()	{ if (-e "$SETUPDIR/isrem") { return 1; } else { return 0; } }

165
166
167
168
169
170
171
#
# Turn off SFS mode on RON nodes until the the code is fixed.
#
if (REMOTE() && ! -e "/etc/emulab.pkey") {
    $USESFS = 0;
}

172
173
174
175
#
# Open a TMCC connection and return the "stream pointer". Caller is
# responsible for closing the stream and checking return value.
#
Leigh B. Stoller's avatar
Leigh B. Stoller committed
176
# usage: OPENTMCC(char *command, char *args, char *options)
177
#
Leigh B. Stoller's avatar
Leigh B. Stoller committed
178
sub OPENTMCC($;$$)
179
{
Leigh B. Stoller's avatar
Leigh B. Stoller committed
180
    my($cmd, $args, $options) = @_;
181
    my $vn = "";
182
183
184
185
186
    local *TM;

    if (!defined($args)) {
	$args = "";
    }
Leigh B. Stoller's avatar
Leigh B. Stoller committed
187
188
189
    if (!defined($options)) {
	$options = "";
    }
190
191
192
    if ($vnodeid ne "") {
	$vn = "-n $vnodeid";
    }
Leigh B. Stoller's avatar
Leigh B. Stoller committed
193
194
195
    if ($tmcctimeout) {
	$options .= " -t $tmcctimeout";
    }
196

Leigh B. Stoller's avatar
Leigh B. Stoller committed
197
198
    my $foo = sprintf("%s -v %d $options $NODE $vn $cmd $args |",
		      TMCC, TMCD_VERSION);
199

Leigh B. Stoller's avatar
Leigh B. Stoller committed
200
201
202
203
204
    if (!open(TM, $foo)) {
	print STDERR "Cannot start TMCC: $!\n";
	die("\n") if $tmccdie;
	return undef;
    }
205
206
207
    return (*TM);
}

208
209
210
211
212
213
#
# Close connection. Die on error.
# 
sub CLOSETMCC($) {
    my($TM) = @_;
    
Leigh B. Stoller's avatar
Leigh B. Stoller committed
214
215
216
217
218
219
220
221
222
223
224
    if (! close($TM)) {
	if ($?) {
	    print STDERR "TMCC exited with status $?!\n";
	}
	else {
	    print STDERR "Error closing TMCC pipe: $!\n";
	}
	die("\n") if $tmccdie;
	return 0;
    }
    return 1;
225
226
}

227
228
229
#
# Run a TMCC command with the provided arguments.
#
Leigh B. Stoller's avatar
Leigh B. Stoller committed
230
# usage: RUNTMCC(char *command, char *args, char *options)
231
#
Leigh B. Stoller's avatar
Leigh B. Stoller committed
232
sub RUNTMCC($;$$)
233
{
Leigh B. Stoller's avatar
Leigh B. Stoller committed
234
    my($cmd, $args, $options) = @_;
235
236
237
238
239
    my($TM);

    if (!defined($args)) {
	$args = "";
    }
Leigh B. Stoller's avatar
Leigh B. Stoller committed
240
241
242
    if (!defined($options)) {
	$options = "";
    }
243
    
Leigh B. Stoller's avatar
Leigh B. Stoller committed
244
    $TM = OPENTMCC($cmd, $args, $options);
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263

    close($TM)
	or die $? ? "TMCC exited with status $?" : "Error closing pipe: $!";
    
    return 0;
}

#
# Inform the master we have rebooted.
#
sub inform_reboot()
{
    RUNTMCC(TMCCCMD_REBOOT);
    return 0;
}

#
# Reset to a moderately clean state.
#
264
265
266
sub cleanup_node ($) {
    my ($scrub) = @_;
    
267
268
    print STDOUT "Cleaning node; removing configuration files ...\n";
    unlink TMIFC, TMRPM, TMSTARTUPCMD, TMNICKNAME, TMTARBALLS;
269
    unlink TMROUTECONFIG, TMTRAFFICCONFIG, TMTUNNELCONFIG;
270
271
    unlink TMMOUNTDB . ".db";

272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
    #
    # If scrubbing, remove the password/group file DBs so that we revert
    # to base set.
    # 
    if ($scrub) {
	unlink TMPASSDB . ".db";
	unlink TMGROUPDB . ".db";
    }

    if (! REMOTE()) {
	printf STDOUT "Resetting %s file\n", HOSTSFILE;
	if (system($CP, "-f", TMHOSTS, HOSTSFILE) != 0) {
	    printf "Could not copy default %s into place: $!\n", HOSTSFILE;
	    exit(1);
	}
287
288
    }

289
    return os_cleanup_node($scrub);
290
291
292
293
294
295
296
297
298
299
300
301
302
}

#
# Check node allocation.
#
# Returns 0 if node is free. Returns list (pid/eid/vname) if allocated.
#
sub check_status ()
{
    my $TM;
    
    $TM = OPENTMCC(TMCCCMD_STATUS);
    $_  = <$TM>;
303
    CLOSETMCC($TM);
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327

    if ($_ =~ /^FREE/) {
	return 0;
    }
    
    if ($_ =~ /ALLOCATED=([-\@\w.]*)\/([-\@\w.]*) NICKNAME=([-\@\w.]*)/) {
	$pid   = $1;
	$eid   = $2;
	$vname = $3;
    }
    else {
	warn "*** WARNING: Error getting reservation status\n";
	return 0;
    }
    return ($pid, $eid, $vname);
}

#
# Stick our nickname in a file in case someone wants it.
#
sub create_nicknames()
{
    open(NICK, ">" . TMNICKNAME)
	or die("Could not open nickname file: $!");
328
    print NICK "$vname.$eid.$pid\n";
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
    close(NICK);

    return 0;
}

#
# Process mount directives from TMCD. We keep track of all the mounts we
# have added in here so that we delete just the accounts we added, when
# project membership changes. Same goes for project directories on shared
# nodes. We use a simple perl DB for that.
#
sub domounts()
{
    my $TM;
    my %MDB;
    my %mounts;
    my %deletes;
Austin Clements's avatar
Austin Clements committed
346
347
348
349
    my %sfsmounts;
    my %sfsdeletes;

    $TM = OPENTMCC(TMCCCMD_MOUNTS, "USESFS=$USESFS");
350
351

    while (<$TM>) {
Austin Clements's avatar
Austin Clements committed
352
	if ($_ =~ /^REMOTE=([-:\@\w\.\/]+) LOCAL=([-\@\w\.\/]+)/) {
353
354
	    $mounts{$1} = $2;
	}
Austin Clements's avatar
Austin Clements committed
355
356
357
358
359
360
	elsif ($_ =~ /^SFS REMOTE=([-:\@\w\.\/]+) LOCAL=([-\@\w\.\/]+)/) {
	    $sfsmounts{$1} = $2;
	}
	else {
	    warn "*** WARNING: Malformed mount information: $_\n";
	}
361
    }
362
363
    CLOSETMCC($TM);
    
364
365
366
367
    #
    # The MFS version does not support (or need) this DB stuff. Just mount
    # them up.
    #
368
    if (MFS()) {
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
	while (($remote, $local) = each %mounts) {
	    if (! -e $local) {
		if (! os_mkdir($local, 0770)) {
		    warn "*** WARNING: Could not make directory $local: $!\n";
		    next;
		}
	    }
	
	    print STDOUT "  Mounting $remote on $local\n";
	    if (system("$MOUNT $remote $local")) {
		warn "*** WARNING: Could not $MOUNT $remote on $local: $!\n";
		next;
	    }
	}
	return 0;
    }

386
387
388
389
390
391
392
393
394
395
396
397
398
    dbmopen(%MDB, TMMOUNTDB, 0660);
    
    #
    # First mount all the mounts we are told to. For each one that is not
    # currently mounted, and can be mounted, add it to the DB.
    # 
    while (($remote, $local) = each %mounts) {
	if (system("$MOUNT | $EGREP ' $local '") == 0) {
	    $MDB{$remote} = $local;
	    next;
	}

	if (! -e $local) {
399
	    if (! os_mkdir($local, 0770)) {
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
		warn "*** WARNING: Could not make directory $local: $!\n";
		next;
	    }
	}
	
	print STDOUT "  Mounting $remote on $local\n";
	if (system("$MOUNT $remote $local")) {
	    warn "*** WARNING: Could not $MOUNT $remote on $local: $!\n";
	    next;
	}

	$MDB{$remote} = $local;
    }

    #
    # Now unmount the ones that we mounted previously, but are now no longer
    # in the mount set (as told to us by the TMCD). Note, we cannot delete 
    # them directly from MDB since that would mess up the foreach loop, so
    # just stick them in temp and postpass it.
    #
    while (($remote, $local) = each %MDB) {
	if (defined($mounts{$remote})) {
	    next;
	}

	if (system("$MOUNT | $EGREP ' $local '")) {
	    $deletes{$remote} = $local;
	    next;
	}

	print STDOUT "  Unmounting $local\n";
	if (system("$UMOUNT $local")) {
	    warn "*** WARNING: Could not unmount $local\n";
	    next;
	}
	
	#
	# Only delete from set if we can actually unmount it. This way
	# we can retry it later (or next time).
	# 
	$deletes{$remote} = $local;
    }
    while (($remote, $local) = each %deletes) {
	delete($MDB{$remote});
    }

    # Write the DB back out!
    dbmclose(%MDB);

Austin Clements's avatar
Austin Clements committed
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
    #
    # Now, do basically the same thing over again, but this time for
    # SFS mounted stuff
    #

    if (scalar(%sfsmounts)) {
	dbmopen(%MDB, TMSFSMOUNTDB, 0660);
	
	#
	# First symlink all the mounts we are told to. For each one
	# that is not currently symlinked, and can be, add it to the
	# DB.
	#
	while (($remote, $local) = each %sfsmounts) {
	    if (-l $local) {
		if (readlink($local) eq ("/sfs/" . $remote)) {
		    $MDB{$remote} = $local;
		    next;
		}
		if (readlink($local) ne ("/sfs/" . $remote)) {
		    print STDOUT "  Unlinking incorrect symlink $local\n";
470
		    if (! unlink($local)) {
Austin Clements's avatar
Austin Clements committed
471
472
473
474
475
			warn "*** WARNING: Could not unlink $local: $!\n";
			next;
		    }
		}
	    }
476
477
478
479
480
481
	    elsif (-d $local) {
		if (! rmdir($local)) {
		    warn "*** WARNING: Could not rmdir $local: $!\n";
		    next;
		}
	    }
Austin Clements's avatar
Austin Clements committed
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
	    
	    $dir = $local;
	    $dir =~ s/(.*)\/[^\/]*$/$1/;
	    if (! -e $dir) {
		print STDOUT "  Making directory $dir\n";
		if (! os_mkdir($dir, 755)) {
		    warn "*** WARNING: Could not make directory $local: $!\n";
		    next;
		}
	    }
	    print STDOUT "  Symlinking $remote on $local\n";
	    if (! symlink("/sfs/" . $remote . "/", $local)) {
		warn "*** WARNING: Could not make symlink $local: $!\n";
		next;
	    }
	    
	    $MDB{$remote} = $local;
	}

	#
	# Now delete the ones that we symlinked previously, but are
	# now no longer in the mount set (as told to us by the TMCD).
	# Note, we cannot delete them directly from MDB since that
	# would mess up the foreach loop, so just stick them in temp
	# and postpass it.
	#
	while (($remote, $local) = each %MDB) {
	    if (defined($sfsmounts{$remote})) {
		next;
	    }
	    
	    if (! -e $local) {
		$sfsdeletes{$remote} = $local;
		next;
	    }
	    
	    print STDOUT "  Deleting symlink $local\n";
	    if (! unlink($local)) {
		warn "*** WARNING: Could not delete $local: $!\n";
		next;
	    }
	    
	    #
	    # Only delete from set if we can actually unlink it.  This way
	    # we can retry it later (or next time).
	    #
	    $sfsdeletes{$remote} = $local;
	}
	while (($remote, $local) = each %sfsdeletes) {
	    delete($MDB{$remote});
	}

	# Write the DB back out!
	dbmclose(%MDB);	
    }
    else {
	# There were no SFS mounts reported, so disable SFS
539
	$USESFS = 0;
Austin Clements's avatar
Austin Clements committed
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
    }

    return 0;
}

#
# Do SFS hostid setup.
# Creates an SFS host key for this node, if it doesn't already exist,
# and sends it to TMCD
#
sub dosfshostid ()
{
    my $TM;
    my $myhostid;

    # Do I already have a host key?
    if (! -e "/etc/sfs/sfs_host_key") {
	warn "*** This node does not have a host key, skipping SFS stuff\n";
	$USESFS = 0;
	return 1;
    }

    # Give hostid to TMCD
    open(SFSKEY, "sfskey hostid - |")
	or die "Cannot start sfskey";
    $myhostid = <SFSKEY>;
    close(SFSKEY);
    if (defined($myhostid)) {
	if ( $myhostid =~ /^([-\.\w_]*:[a-z0-9]*)$/ ) {
	    $myhostid = $1;
	    print STDOUT "  Hostid: $myhostid\n";
	    RUNTMCC(TMCCCMD_SFSHOSTID, "$myhostid");
	}
	else {
	    warn "*** WARNING: Invalid hostid\n";
	}
    }
    else {
578
	warn "*** WARNING: Could not retrieve this node's SFShostid!\n";
Austin Clements's avatar
Austin Clements committed
579
580
581
582
583
584
	$USESFS = 0;
    }

    return 0;
}

585
586
587
588
589
590
591
592
#
# Do interface configuration.    
# Write a file of ifconfig lines, which will get executed.
#
sub doifconfig ()
{
    my $TM;
    
593
594
595
596
597
598
599
600
601
602
    #
    # Kinda ugly, but there is too much perl goo included by Socket to put it
    # on the MFS. 
    # 
    if (MFS()) {
	return 1;
    }
    require Socket;
    import Socket;
    
603
604
605
606
607
608
609
610
611
612
613
    $TM = OPENTMCC(TMCCCMD_IFC);

    #
    # Open a connection to the TMCD, and then open a local file into which
    # we write ifconfig commands (as a shell script).
    # 
    open(IFC, ">" . TMIFC)
	or die("Could not open " . TMIFC . ": $!");
    print IFC "#!/bin/sh\n";
    
    while (<$TM>) {
614
615
616
617
618
619
620
621
622
	my $pat;

	#
	# Note that speed has a units spec: (K|M)bps
	# 
	$pat  = q(INTERFACE=(\d*) INET=([0-9.]*) MASK=([0-9.]*) MAC=(\w*) );
	$pat .= q(SPEED=(\w*) DUPLEX=(\w*));
	
	if ($_ =~ /$pat/) {
623
624
	    my $iface;

625
626
627
628
629
630
	    my $inet     = $2;
	    my $mask     = $3;
	    my $mac      = $4;
	    my $speed    = $5; 
	    my $duplex   = $6;
	    my $routearg = inet_ntoa(inet_aton($inet) & inet_aton($mask));
631
632
633
634

	    if ($iface = findiface($mac)) {
		my $ifline =
		    os_ifconfig_line($iface, $inet, $mask, $speed, $duplex);
635
636
637
		    
		print STDOUT "  $ifline\n";
		print IFC "$ifline\n";
638
		print IFC TMROUTECONFIG . " $routearg up\n";
639
640
	    }
	    else {
641
		warn "*** WARNING: Bad MAC: $mac\n";
642
643
644
645
646
647
	    }
	}
	else {
	    warn "*** WARNING: Bad ifconfig line: $_";
	}
    }
648
    CLOSETMCC($TM);
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
    close(IFC);
    chmod(0755, TMIFC);

    return 0;
}

#
# Convert from MAC to iface name (eth0/fxp0/etc) using little helper program.
# 
sub findiface($)
{
    my($mac) = @_;
    my($iface);

    open(FIF, FINDIF . " $mac |")
	or die "Cannot start " . FINDIF . ": $!";

    $iface = <FIF>;
    
    if (! close(FIF)) {
	return 0;
    }
    
    $iface =~ s/\n//g;
    return $iface;
}

676
677
678
679
680
681
682
683
#
# Do router configuration stuff. This just writes a file for someone else
# to deal with.
#
sub dorouterconfig ()
{
    my @stuff   = ();
    my $routing = 0;
684
685
    my %upmap   = ();
    my %downmap = ();
686
687
688
689
690
691
    my $TM;

    $TM = OPENTMCC(TMCCCMD_ROUTING);
    while (<$TM>) {
	push(@stuff, $_);
    }
692
    CLOSETMCC($TM);
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713

    if (! @stuff) {
	return 0;
    }

    #
    # Look for router type. If none, then do not bother to write this file.
    # 
    foreach my $line (@stuff) {
	if (($line =~ /ROUTERTYPE=(.+)/) && ($1 ne "none")) {
	    $routing = 1;
	    last;
	}
    }
    if (! $routing) {
	return 0;
    }
    
    open(RC, ">" . TMROUTECONFIG)
	or die("Could not open " . TMROUTECONFIG . ": $!");

714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
    print RC "#!/bin/sh\n";
    print RC "# auto-generated by libsetup.pm, DO NOT EDIT\n";

    #
    # Now convert static route info into OS route commands
    # Also check for use of gated and remember it.
    #
    my $usegated = 0;
    my $pat;

    #
    # ROUTERTYPE=manual
    # ROUTE DEST=192.168.2.3 DESTTYPE=host DESTMASK=255.255.255.0 \
    #	NEXTHOP=192.168.1.3 COST=0
    #
    $pat = q(ROUTE DEST=([0-9\.]*) DESTTYPE=(\w*) DESTMASK=([0-9\.]*) );
    $pat .= q(NEXTHOP=([0-9\.]*) COST=([0-9]*));

    my $usemanual = 0;
733
    foreach my $line (@stuff) {
734
735
736
737
738
	if ($line =~ /ROUTERTYPE=(gated|ospf)/) {
	    $usegated = 1;
	} elsif ($line =~ /ROUTERTYPE=(manual|static)/) {
	    $usemanual = 1;
	} elsif ($usemanual && $line =~ /$pat/) {
739
	    my $dip   = $1;
740
741
	    my $rtype = $2;
	    my $dmask = $3;
742
743
744
	    my $gate  = $4;
	    my $cost  = $5;
	    my $routearg = inet_ntoa(inet_aton($gate) & inet_aton($dmask));
745

746
747
748
749
750
751
752
753
	    if (! defined($upmap{$routearg})) {
		$upmap{$routearg} = [];
		$downmap{$routearg} = [];
	    }
	    $rcline = os_routing_add_manual($rtype, $dip, $dmask, $gate,$cost);
	    push(@{$upmap{$routearg}}, $rcline);
	    $rcline = os_routing_del_manual($rtype, $dip, $dmask, $gate,$cost);
	    push(@{$downmap{$routearg}}, $rcline);
754
755
756
757
758
	} else {
	    warn "*** WARNING: Bad routing line: $line\n";
	}
    }

759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
    print RC "case \"\$1\" in\n";
    foreach my $arg (keys(%upmap)) {
	print RC "  $arg)\n";
	print RC "    case \"\$2\" in\n";
	print RC "      up)\n";
	foreach my $rcline (@{$upmap{$arg}}) {
	    print RC "        $rcline\n";
	}
	print RC "      ;;\n";
	print RC "      down)\n";
	foreach my $rcline (@{$downmap{$arg}}) {
	    print RC "        $rcline\n";
	}
	print RC "      ;;\n";
	print RC "    esac\n";
	print RC "  ;;\n";
    }
    print RC "  enable)\n";

    #
    # Turn on IP forwarding
    #
    my $rcline = os_routing_enable_forward();
    print RC "    $rcline\n";

784
785
786
787
788
789
790
791
792
    #
    # Finally, enable gated if desired.
    #
    # Note that we allow both manually-specified static routes and gated
    # though more work may be needed on the gated config files to make
    # this work (i.e., to import existing kernel routes).
    #
    if ($usegated) {
	$rcline = os_routing_enable_gated();
793
	print RC "    $rcline\n";
794
    }
795
796
797
    print RC "  ;;\n";
    print RC "esac\n";
    print RC "exit 0\n";
798

799
    close(RC);
800
    chmod(0755, TMROUTECONFIG);
801
802
803
804

    return 0;
}

805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
#
# Host names configuration (/etc/hosts). 
#
sub dohostnames ()
{
    my $TM;

    #
    # Start with fresh copy, since the hosts files is potentially updated
    # after the node boots via the update command.
    # 
    if (system($CP, "-f", TMHOSTS, HOSTSFILE) != 0) {
	printf STDERR "Could not copy default %s into place: $!\n", HOSTSFILE;
	return 1;
    }
    
    $TM = OPENTMCC(TMCCCMD_HOSTS);

    open(HOSTS, ">>" . HOSTSFILE)
	or die("Could not open $HOSTSFILE: $!");

    #
    # Now convert each hostname into hosts file representation and write
828
829
830
831
832
    # it to the hosts file. Note that ALIASES is for backwards compat.
    # Should go away at some point.
    #
    my $pat  = q(NAME=([-\w\.]+) IP=([0-9\.]*) ALIASES=\'([-\w\. ]*)\');
    
833
    while (<$TM>) {
834
835
836
837
838
839
	if ($_ =~ /$pat/) {
	    my $name    = $1;
	    my $ip      = $2;
	    my $aliases = $3;
	    
	    my $hostline = os_etchosts_line($name, $ip, $aliases);
840
841
842
843
844
845
846
847
	    
	    print STDOUT "  $hostline\n";
	    print HOSTS  "$hostline\n";
	}
	else {
	    warn "*** WARNING: Bad hosts line: $_";
	}
    }
848
    CLOSETMCC($TM);
849
850
851
852
853
    close(HOSTS);

    return 0;
}

Leigh B. Stoller's avatar
Leigh B. Stoller committed
854
sub doaccounts()
855
856
{
    my %newaccounts = ();
857
    my %newgroups   = ();
858
859
    my %pubkeys1    = ();
    my %pubkeys2    = ();
Austin Clements's avatar
Austin Clements committed
860
    my @sfskeys     = ();
861
    my %deletes     = ();
Leigh B. Stoller's avatar
Leigh B. Stoller committed
862
    my %lastmod     = ();
863
864
    my %PWDDB;
    my %GRPDB;
865
866
867
868

    my $TM = OPENTMCC(TMCCCMD_ACCT);

    #
869
870
871
872
873
874
    # The strategy is to keep a record of all the groups and accounts
    # added by the testbed system so that we know what to remove. We
    # use a vanilla perl dbm for that, one for the groups and one for
    # accounts. 
    #
    # First just get the current set of groups/accounts from tmcd.
875
876
877
    #
    while (<$TM>) {
	if ($_ =~ /^ADDGROUP NAME=([-\@\w.]+) GID=([0-9]+)/) {
878
879
880
	    #
	    # Group info goes in the hash table.
	    #
881
882
	    my $gname = "$1";
	    
883
	    if (REMOTE()) {
884
		$gname = "emu-${gname}";
885
	    }
886
	    $newgroups{"$gname"} = $2
887
888
889
890
891
892
893
894
	}
	elsif ($_ =~ /^ADDUSER LOGIN=([0-9a-z]+)/) {
	    #
	    # Account info goes in the hash table.
	    # 
	    $newaccounts{$1} = $_;
	    next;
	}
Leigh B. Stoller's avatar
Leigh B. Stoller committed
895
896
897
898
	elsif ($_ =~ /^PUBKEY LOGIN=([0-9a-z]+) KEY="(.*)"/) {
	    #
	    # Keys go into hash as a list of keys.
	    #
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
	    my $login = $1;
	    my $key   = $2;

	    #
	    # P1 or P2 key. Must be treated differently below.
	    #
	    if ($key =~ /^\d+\s+.*$/) {
		if (! defined($pubkeys1{$login})) {
		    $pubkeys1{$login} = [];
		}
		push(@{$pubkeys1{$login}}, $key);
	    }
	    else {
		if (! defined($pubkeys2{$login})) {
		    $pubkeys2{$login} = [];
		}
		push(@{$pubkeys2{$login}}, $key);
Leigh B. Stoller's avatar
Leigh B. Stoller committed
916
917
918
	    }
	    next;
	}
Austin Clements's avatar
Austin Clements committed
919
920
921
922
923
924
925
	elsif ($_ =~ /^SFSKEY KEY="(.*)"/) {
	    #
	    # SFS key goes into the array.
	    #
	    push(@sfskeys, $1);
	    next;
	}
926
	else {
927
	    warn "*** WARNING: Bad accounts line: $_\n";
928
929
	}
    }
930
    CLOSETMCC($TM);
931

932
933
934
935
936
937
    dbmopen(%PWDDB, TMPASSDB, 0660) or
	die("Cannot open " . TMPASSDB . ": $!\n");
	
    dbmopen(%GRPDB, TMGROUPDB, 0660) or
	die("Cannot open " . TMGROUPDB . ": $!\n");

938
    #
939
940
    # Create any groups that do not currently exist. Add each to the
    # DB as we create it.
941
    #
942
943
944
945
946
947
    while (($group, $gid) = each %newgroups) {
	my ($exists,undef,$curgid) = getgrnam($group);
	
	if ($exists) {
	    if ($gid != $curgid) {
		warn "*** WARNING: $group/$gid mismatch with existing group\n";
948
	    }
949
	    next;
950
	}
951
952
953
954
955
956
957
958
959

	print "Adding group: $group/$gid\n";
	    
	if (os_groupadd($group, $gid)) {
	    warn "*** WARNING: Error adding new group $group/$gid\n";
	    next;
	}
	# Add to DB only if successful. 
	$GRPDB{$group} = $gid;
960
961
962
    }

    #
963
964
965
966
    # Now remove the ones that we created previously, but are now no longer
    # in the group set (as told to us by the TMCD). Note, we cannot delete 
    # them directly from the hash since that would mess up the foreach loop,
    # so just stick them in temp and postpass it.
967
    #
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
    while (($group, $gid) = each %GRPDB) {
	if (defined($newgroups{$group})) {
	    next;
	}

	print "Removing group: $group/$gid\n";
	
	if (os_groupdel($group)) {
	    warn "*** WARNING: Error removing group $group/$gid\n";
	    next;
	}
	# Delete from DB only if successful. 
	$deletes{$group} = $gid;
    }
    while (($group, $gid) = each %deletes) {
	delete($GRPDB{$group});
984
    }
985
986
987
988
    %deletes = ();

    # Write the DB back out!
    dbmclose(%GRPDB);
989
990

    #
991
992
993
    # Repeat the same sequence for accounts, except we remove old accounts
    # first. 
    # 
Leigh B. Stoller's avatar
Leigh B. Stoller committed
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
    while (($login, $info) = each %PWDDB) {
	my $uid = $info;
	
	#
	# Split out the uid from the serial. Note that this was added later
	# so existing DBs might not have a serial yet. We save the serial
	# for later. 
	#
	if ($info =~ /(\d*):(\d*)/) {
	    $uid = $1;
	    $lastmod{$login} = $2;
	}
	
1007
1008
1009
	if (defined($newaccounts{$login})) {
	    next;
	}
1010

1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
	my ($exists,undef,$curuid,undef,
	    undef,undef,undef,$homedir) = getpwnam($login);

	#
	# If the account is gone, someone removed it by hand. Remove it
	# from the DB so we do not keep trying.
	#
	if (! defined($exists)) {
	    warn "*** WARNING: Account for $login was already removed!\n";
	    $deletes{$login} = $login;
	    next;
	}

	#
	# Check for mismatch, just in case. If there is a mismatch remove it
	# from the DB so we do not keep trying.
	#
	if ($uid != $curuid) {
	    warn "*** WARNING: ".
		 "Account uid for $login has changed ($uid/$curuid)!\n";
	    $deletes{$login} = $login;
	    next;
	}
	
	print "Removing user: $login\n";
	
	if (os_userdel($login) != 0) {
	    warn "*** WARNING: Error removing user $login\n";
	    next;
	}

	#
	# Remove the home dir. 
	#
	# Must ask for the current home dir in case it came from pw.conf.
	#
	if (defined($homedir) &&
	    index($homedir, "/${login}")) {
	    if (os_homedirdel($login, $homedir) != 0) {
	        warn "*** WARNING: Could not remove homedir $homedir.\n";
1051
1052
	    }
	}
1053
1054
1055
1056
1057
1058
1059
	
	# Delete from DB only if successful. 
	$deletes{$login} = $login;
    }
    
    while (($login, $foo) = each %deletes) {
	delete($PWDDB{$login});
1060
1061
    }

1062
    my $pat = q(ADDUSER LOGIN=([0-9a-z]+) PSWD=([^:]+) UID=(\d+) GID=(.*) );
1063
    $pat   .= q(ROOT=(\d) NAME="(.*)" HOMEDIR=(.*) GLIST="(.*)" );
Leigh B. Stoller's avatar
Leigh B. Stoller committed
1064
    $pat   .= q(SERIAL=(\d+));
1065
1066

    while (($login, $info) = each %newaccounts) {
1067
	if ($info =~ /$pat/) {
1068
1069
1070
1071
1072
1073
1074
	    $pswd  = $2;
	    $uid   = $3;
	    $gid   = $4;
	    $root  = $5;
	    $name  = $6;
	    $hdir  = $7;
	    $glist = $8;
Leigh B. Stoller's avatar
Leigh B. Stoller committed
1075
	    $serial= $9;
1076
1077
1078
	    if ( $name =~ /^(([^:]+$|^))$/ ) {
		$name = $1;
	    }
1079

Leigh B. Stoller's avatar
Leigh B. Stoller committed
1080
1081
1082
1083
1084
1085
1086
1087
1088
	    #
	    # See if update needed, based on the serial number we get.
	    # If its different, the account info has changed.
	    # 
	    my $doupdate = 0;
	    if (!defined($lastmod{$login}) || $lastmod{$login} != $serial) {
		$doupdate = 1;
	    }
	    
1089
	    my ($exists,undef,$curuid) = getpwnam($login);
1090
1091

	    if ($exists) {
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
		if (!defined($PWDDB{$login})) {
		    warn "*** WARNING: ".
			 "Skipping since $login existed before EmulabMan!\n";
		    next;
		}
		if ($curuid != $uid) {
		    warn "*** WARNING: ".
			 "$login/$uid uid mismatch with existing login.\n";
		    next;
		}
Leigh B. Stoller's avatar
Leigh B. Stoller committed
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
		if ($doupdate) {
		    print "Updating: ".
			"$login/$uid/$gid/$root/$name/$hdir/$glist\n";
		    
		    os_usermod($login, $gid, "$glist", $pswd, $root);

		    #
		    # Note that we changed the info for next time.
		    # 
		    $PWDDB{$login} = "$uid:$serial";
		}
1113
	    }
Leigh B. Stoller's avatar
Leigh B. Stoller committed
1114
1115
	    else {
		print "Adding: $login/$uid/$gid/$root/$name/$hdir/$glist\n";
1116

Leigh B. Stoller's avatar
Leigh B. Stoller committed
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
		if (os_useradd($login, $uid, $gid, $pswd, 
			       "$glist", $hdir, $name, $root)) {
		    warn "*** WARNING: Error adding new user $login\n";
		    next;
		}
		# Add to DB only if successful. 
		$PWDDB{$login} = "$uid:$serial";
	    }

	    #
	    # Skip ssh stuff if a local node or not updating (if the
	    # user did not exist, $doupdate will be true).
	    # 
	    if (!REMOTE() || !$doupdate) {
1131
1132
		next;
	    }
1133
1134
1135
1136
1137
1138
1139
1140
1141

	    #
	    # Create .ssh dir and populate it with an authkeys file.
	    # Must ask for the current home dir since we rely on pw.conf.
	    #
	    my (undef,undef,undef,undef,
		undef,undef,undef,$homedir) = getpwuid($uid);
	    my $sshdir = "$homedir/.ssh";
	    
1142
1143
	    TBNewsshKeyfile($sshdir, $uid, $gid, 1, @{$pubkeys1{$login}});
	    TBNewsshKeyfile($sshdir, $uid, $gid, 2, @{$pubkeys2{$login}});
1144
1145
1146
	}
	else {
	    warn("*** Bad accounts line: $info\n");
1147
1148
	}
    }
1149
1150
1151
    # Write the DB back out!
    dbmclose(%PWDDB);

Austin Clements's avatar
Austin Clements committed
1152
1153
1154
    #
    # Create sfs_users file and populate it with public SFS keys
    #
1155
    if ($USESFS) {
1156
1157
1158
1159
1160
1161
	my $sfsusers = "/etc/sfs/sfs_users";
	
	if (!open(SFSKEYS, "> ${sfsusers}.new")) {
	    warn("*** WARNING: Could not open ${sfsusers}.new: $!\n");
	    goto bad;
	}
1162
	    
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
	print SFSKEYS "#\n";
	print SFSKEYS "# DO NOT EDIT! This file auto generated by ".
	    "Emulab.Net account software.\n";
	print SFSKEYS "#\n";
	print SFSKEYS "# Please use the web interface to edit your ".
	    "SFS public key list.\n";
	print SFSKEYS "#\n";
	foreach my $key (@sfskeys) {
	    print SFSKEYS "$key\n";
	}
	close(SFSKEYS);
1174
	    
1175
1176
1177
1178
1179
1180
1181
	# Because sfs_users only contains public keys, sfs_users.pub is
	# exactly the same
	if (system("cp -p -f ${sfsusers}.new ${sfsusers}.pub.new")) {
	    warn("*** WARNING Could not copy ${sfsusers}.new to ".
		 "${sfsusers}.pub.new: $!\n");
	    goto bad;
	}
1182
	    
1183
1184
1185
1186
1187
1188
1189
1190
	if (!chown(0, 0, "${sfsusers}.new")) {
	    warn("*** WARNING: Could not chown ${sfsusers}.new: $!\n");
	    goto bad;
	}
	if (!chmod(0600, "${sfsusers}.new")) {
	    warn("*** WARNING: Could not chmod ${sfsusers}.new: $!\n");
	    goto bad;
	}
1191
	    
1192
1193
1194
1195
1196
1197
1198
1199
	if (!chown(0, 0, "${sfsusers}.pub.new")) {
	    warn("*** WARNING: Could not chown ${sfsusers}.pub.new: $!\n");
	    goto bad;
	}
	if (!chmod(0644, "${sfsusers}.pub.new")) {
	    warn("*** WARNING: Could not chmod ${sfsusers}.pub.new: $!\n");
	    goto bad;
	}
1200
	    
1201
1202
1203
1204
1205
1206
1207
1208
1209
	# Save off old key files and move in new ones
	foreach my $keyfile ("${sfsusers}", "${sfsusers}.pub") {
	    if (-e $keyfile) {
		if (system("cp -p -f $keyfile $keyfile.old")) {
		    warn("*** Could not save off $keyfile: $!\n");
		    next;
		}
		if (!chown(0, 0, "$keyfile.old")) {
		    warn("*** Could not chown $keyfile.old: $!\n");
Austin Clements's avatar
Austin Clements committed
1210
		}
1211
1212
		if (!chmod(0600, "$keyfile.old")) {
		    warn("*** Could not chmod $keyfile.old: $!\n");
Austin Clements's avatar
Austin Clements committed
1213
1214
		}
	    }
1215
1216
1217
	    if (system("mv -f $keyfile.new $keyfile")) {
		warn("*** Could not mv $keyfile.new $keyfile.new: ~!\n");
	    }
Austin Clements's avatar
Austin Clements committed
1218
	}
1219
      bad:
Austin Clements's avatar
Austin Clements committed
1220
1221
    }
    
1222
1223
1224
1225
1226
1227
1228
1229
1230
1231
1232
1233
1234
1235
    return 0;
}

#
# RPM configuration. 
#
sub dorpms ()
{
    my @rpms = ();
    
    my $TM = OPENTMCC(TMCCCMD_RPM);
    while (<$TM>) {
	push(@rpms, $_);
    }
1236
    CLOSETMCC($TM);
1237
1238
1239
1240
1241
1242
1243
1244
1245
1246

    if (! @rpms) {
	return 0;
    }
    
    open(RPM, ">" . TMRPM)
	or die("Could not open " . TMRPM . ": $!");
    print RPM "#!/bin/sh\n";
    
    foreach my $rpm (@rpms) {
1247
	if ($rpm =~ /RPM=(.+)/) {
1248
1249
1250
1251
1252
1253
1254
1255
1256
1257
1258
1259
1260
1261
1262
1263
1264
1265
1266
1267
1268
1269
1270
1271
1272
1273
1274
	    my $rpmline = os_rpminstall_line($1);
		    
	    print STDOUT "  $rpmline\n";
	    print RPM    "echo \"Installing RPM $1\"\n";
	    print RPM    "$rpmline\n";
	}
	else {
	    warn "*** WARNING: Bad RPMs line: $rpm";
	}
    }
    close(RPM);
    chmod(0755, TMRPM);

    return 0;
}

#
# TARBALL configuration. 
#
sub dotarballs ()
{
    my @tarballs = ();

    my $TM = OPENTMCC(TMCCCMD_TARBALL);
    while (<$TM>) {
	push(@tarballs, $_);
    }
1275
    CLOSETMCC($TM);
1276
1277
1278
1279
1280
1281
1282
1283
1284
1285

    if (! @tarballs) {
	return 0;
    }
    
    open(TARBALL, ">" . TMTARBALLS)
	or die("Could not open " . TMTARBALLS . ": $!");
    print TARBALL "#!/bin/sh\n";
    
    foreach my $tarball (@tarballs) {
1286
	if ($tarball =~ /DIR=(.+)\s+TARBALL=(.+)/) {
1287
1288
1289
1290
1291
1292
1293
1294
1295
1296
1297
1298
1299
1300
1301
1302
1303
1304
1305
1306
1307
1308
1309
1310
1311
1312
1313
1314
	    my $tbline = sprintf($TARINSTALL, $1, $2);
		    
	    print STDOUT  "  $tbline\n";
	    print TARBALL "echo \"Installing Tarball $2 in dir $1 \"\n";
	    print TARBALL "$tbline\n";
	}
	else {
	    warn "*** WARNING: Bad Tarballs line: $tarball";
	}
    }
    close(TARBALL);
    chmod(0755, TMTARBALLS);

    return 0;
}

#
# Experiment startup Command.
#
sub dostartupcmd ()
{
    my $startupcmd;
    
    my $TM = OPENTMCC(TMCCCMD_STARTUP);
    $_ = <$TM>;
    if (defined($_)) {
	$startupcmd = $_;
    }
1315
    CLOSETMCC($TM);
1316
1317
1318
1319
1320
1321
1322
1323

    if (! $startupcmd) {
	return 0;
    }
    
    open(RUN, ">" . TMSTARTUPCMD)
	or die("Could not open $TMSTARTUPCMD: $!");
    
1324
    if ($startupcmd =~ /CMD=(\'.+\') UID=([0-9a-z]+)/) {
1325
1326
1327
1328
1329
1330
1331
1332
1333
1334
1335
1336
1337
	print  STDOUT "  Will run $1 as $2\n";
	print  RUN    "$startupcmd";
    }
    else {
	warn "*** WARNING: Bad startupcmd line: $startupcmd";
    }

    close(RUN);
    chmod(0755, TMSTARTUPCMD);

    return 0;
}

1338
1339
1340
1341
1342
1343
sub dotrafficconfig()
{
    my $didopen = 0;
    my $pat;
    my $TM;
    my $boss;
1344
    my $startnse = 0;
1345
    my $nseconfig = "";
1346
    
1347
1348
1349
1350
1351
1352
1353
1354
1355
    #
    # Kinda ugly, but there is too much perl goo included by Socket to put it
    # on the MFS. 
    # 
    if (MFS()) {
	return 1;
    }
    require Socket;
    import Socket;
1356
1357
    
    $TM = OPENTMCC(TMCCCMD_BOSSINFO);
1358
1359
1360
1361
1362
1363
1364
    my $bossinfo = <$TM>;
    ($boss) = split(" ", $bossinfo);

    #
    # XXX hack: workaround for tmcc cmd failure inside TCL
    #     storing the output of a few tmcc commands in
    #     $SETUPDIR files for use by NSE
Leigh B. Stoller's avatar
Leigh B. Stoller committed
1365
1366
1367
1368
1369
1370
1371
    #
    if (! REMOTE()) {
	open(BOSSINFCFG, ">$SETUPDIR/tmcc.bossinfo") or
	    die "Cannot open file $SETUPDIR/tmcc.bossinfo: $!";
	print BOSSINFCFG "$bossinfo";
	close(BOSSINFCFG);
    }
1372

1373
    CLOSETMCC($TM);
1374
1375
1376
1377
1378
1379
    my ($pid, $eid, $vname) = check_status();

    my $cmdline = "$SETUPDIR/trafgen -s $boss";
    if ($pid) {
	$cmdline .= " -E $pid/$eid";
    }
1380

1381
1382
1383
1384
1385
    #
    # XXX hack: workaround for tmcc cmd failure inside TCL
    #     storing the output of a few tmcc commands in
    #     $SETUPDIR files for use by NSE
    #
Leigh B. Stoller's avatar
Leigh B. Stoller committed
1386
1387
1388
1389
1390
1391
1392
1393
1394
1395
1396
1397
1398
1399
1400
1401
    if (! REMOTE()) {
	my $record_sep;

	$record_sep = $/;
	undef($/);
	$TM = OPENTMCC(TMCCCMD_IFC);
	open(IFCFG, ">$SETUPDIR/tmcc.ifconfig") or
	    die "Cannot open file $SETUPDIR/tmcc.ifconfig: $!";
	print IFCFG <$TM>;
	close(IFCFG);
	CLOSETMCC($TM);
	$/ = $record_sep;
	
	open(TRAFCFG, ">$SETUPDIR/tmcc.trafgens") or
	    die "Cannot open file $SETUPDIR/tmcc.trafgens: $!";    
    }
1402

1403
1404
    $TM = OPENTMCC(TMCCCMD_TRAFFIC);

1405
    $pat  = q(TRAFGEN=([-\w.]+) MYNAME=([-\w.]+) MYPORT=(\d+) );
1406
    $pat .= q(PEERNAME=([-\w.]+) PEERPORT=(\d+) );
1407
    $pat .= q(PROTO=(\w+) ROLE=(\w+) GENERATOR=(\w+));
1408
1409

    while (<$TM>) {
1410

Leigh B. Stoller's avatar
Leigh B. Stoller committed
1411
1412
1413
	if (! REMOTE()) {
	    print TRAFCFG "$_";
	}
1414
1415
1416
	if ($_ =~ /$pat/) {
	    #
	    # The following is specific to the modified TG traffic generator:
1417
1418
1419
1420
1421
	    #
	    #  trafgen [-s serverip] [-p serverport] [-l logfile] \
	    #	     [ -N name ] [-P proto] [-R role] [ -E pid/eid ] \
	    #	     [ -S srcip.srcport ] [ -T targetip.targetport ]
	    #
1422
1423
	    # N.B. serverport is not needed right now
	    #
1424
1425
1426
1427
1428
1429
1430
1431
	    my $name = $1;
	    my $ownaddr = inet_ntoa(my $ipaddr = gethostbyname($2));
	    my $ownport = $3;
	    my $peeraddr = inet_ntoa($ipaddr = gethostbyname($4));
	    my $peerport = $5;
	    my $proto = $6;
	    my $role = $7;
	    my $generator = $8;
1432
	    my $target;
1433
	    my $source;
1434

1435
1436
1437
	    # Skip if not specified as a TG generator. At some point
	    # work in Shashi's NSE work.
	    if ($generator ne "TG") {
1438
1439
1440
1441
1442
1443
1444
		$startnse = 1;
		if (! $didopen) {
		    open(RC, ">" . TMTRAFFICCONFIG)
			or die("Could not open " . TMTRAFFICCONFIG . ": $!");
		    print RC "#!/bin/sh\n";
		    $didopen = 1;
		}
1445
1446
1447
		next;
	    }

1448
1449
	    if ($role eq "sink") {
		$target = "$ownaddr.$ownport";
1450
		$source = "$peeraddr.$peerport";
1451
1452
1453
	    }
	    else {
		$target = "$peeraddr.$peerport";
1454
		$source = "$ownaddr.$ownport";
1455
1456
1457
1458
1459
1460
1461
1462
	    }

	    if (! $didopen) {
		open(RC, ">" . TMTRAFFICCONFIG)
		    or die("Could not open " . TMTRAFFICCONFIG . ": $!");
		print RC "#!/bin/sh\n";
		$didopen = 1;
	    }
Leigh B. Stoller's avatar
Leigh B. Stoller committed
1463
1464
	    print RC "$cmdline -N $name -S $source -T $target -P $proto ".
		"-R $role >/tmp/${name}-${pid}-${eid}.debug 2>&1 &\n";
1465
1466
1467
1468
1469
	}
	else {
	    warn "*** WARNING: Bad traffic line: $_";
	}
    }
Leigh B. Stoller's avatar
Leigh B. Stoller committed
1470
1471
1472
    if (! REMOTE()) {
	close(TRAFCFG);
    }
1473
1474
1475
1476

    if( $startnse ) {
	print RC "$SETUPDIR/startnse &\n";
    }
1477
    CLOSETMCC($TM);
1478

1479
1480
1481
1482
    #
    # XXX hack: workaround for tmcc cmd failure inside TCL
    #     storing the output of a few tmcc commands in
    #     $SETUPDIR files for use by NSE
Leigh B. Stoller's avatar
Leigh B. Stoller committed
1483
1484
1485
1486
1487
1488
1489
    #
    if (! REMOTE()) {
	open(NSECFG, ">$SETUPDIR/tmcc.nseconfigs") or
	    die "Cannot open file $SETUPDIR/tmcc.nseconfigs: $!";
	$TM = OPENTMCC(TMCCCMD_NSECONFIGS);
	$record_sep = $/;
	undef($/);
1490
	$nseconfig = <$TM>;
Leigh B. Stoller's avatar
Leigh B. Stoller committed
1491
1492
1493
1494
1495
	$/ = $record_sep;
	print NSECFG $nseconfig;
	CLOSETMCC($TM);
	close(NSECFG);
    }
1496
	    
1497
1498
    # XXX hack: need a separate section for starting up NSE when we
    #           support simulated nodes
1499
    if( ! $startnse ) {
1500
1501
1502
	
	if( $nseconfig ) {

1503
	    # start NSE if 'tmcc nseconfigs' is not empty
1504
1505
1506
1507
1508
1509
1510
1511
1512
1513
	    if ( ! $didopen ) {
		open(RC, ">" . TMTRAFFICCONFIG)
		    or die("Could not open " . TMTRAFFICCONFIG . ": $!");
		print RC "#!/bin/sh\n";
		$didopen = 1;	
	    }
	    print RC "$SETUPDIR/startnse &\n";
	}
    }
    
1514
    if ($didopen) {
1515
	printf RC "%s %s\n", TMCC(), TMCCCMD_READY();
1516
1517
1518
1519
1520
1521
	close(RC);
	chmod(0755, TMTRAFFICCONFIG);
    }
    return 0;
}

1522
1523
1524
1525
1526
1527
1528
1529
1530
1531
1532
1533
1534
1535
1536
1537
1538
1539
1540
1541
1542
sub dotunnels()
{
    my @tunnels;
    my $pat;
    my $TM;
    my $didserver = 0;

    #
    # Kinda ugly, but there is too much perl goo included by Socket to put it
    # on the MFS. 
    # 
    if (MFS()) {
	return 1;
    }
    require Socket;
    import Socket;
    
    $TM = OPENTMCC(TMCCCMD_TUNNEL);
    while (<$TM>) {
	push(@tunnels, $_);
    }
1543
    CLOSETMCC($TM);
1544
1545
1546
1547
1548
1549
1550
1551
1552
1553
1554
1555
1556
1557
1558
1559
1560
1561
1562
1563
1564
1565
1566
1567
1568
1569
1570
1571
1572
1573
1574
1575
1576
1577
1578
1579
1580
1581
1582
1583
1584
1585
1586
1587
1588
1589
1590
1591
1592
1593
1594
1595
1596
1597
1598
1599
1600
1601
1602
1603
1604
1605
1606
1607
1608
1609
1610
1611
1612
1613
1614
1615
1616
1617
1618
1619
1620
1621
1622
1623
1624
1625
1626
1627
1628
1629
1630
1631
1632
1633
1634
1635
1636

    if (! @tunnels) {
	return 0;
    }
    my ($pid, $eid, $vname) = check_status();

    open(RC, ">" . TMTUNNELCONFIG)
	or die("Could not open " . TMTUNNELCONFIG . ": $!");
    print RC "#!/bin/sh\n";
    print RC "kldload if_tap\n";

    open(CONF, ">" . TMVTUNDCONFIG)
	or die("Could not open " . TMVTUNDCONFIG . ": $!");

    print(CONF
	  "options {\n".
	  "  ifconfig    /sbin/ifconfig;\n".
	  "  route       /sbin/route;\n".
	  "}\n".
	  "\n".
	  "default {\n".
	  "  persist     yes;\n".
	  "  stat        yes;\n".
	  "  keepalive   yes;\n".
	  "  type        ether;\n".
	  "}\n".
	  "\n");
    
    $pat  = q(TUNNEL=([-\w.]+) ISSERVER=(\d) PEERIP=([-\w.]+) );
    $pat .= q(PEERPORT=(\d+) PASSWORD=([-\w.]+) );
    $pat .= q(ENCRYPT=(\d) COMPRESS=(\d) INET=([-\w.]+) );
    $pat .= q(MASK=([-\w.]+) PROTO=([-\w.]+));

    foreach my $tunnel (@tunnels) {
	if ($tunnel =~ /$pat/) {
	    #
	    # The following is specific to vtund!
	    #
	    my $name     = $1;
	    my $isserver = $2;
	    my $peeraddr = $3;
	    my $peerport = $4;
	    my $password = $5;
	    my $encrypt  = ($6 ? "yes" : "no");
	    my $compress = ($7 ? "yes" : "no");
	    my $inetip   = $8;
	    my $mask     = $9;
	    my $proto    = $10;
	    my $routearg = inet_ntoa(inet_aton($inetip) & inet_aton($mask));

	    my $cmd = "$VTUND -n -P $peerport -f ". TMVTUNDCONFIG;

	    if ($isserver) {
		if (!$didserver) {
		    print RC
			"$cmd -s >/tmp/vtund-${pid}-${eid}.debug 2>&1 &\n";
		    $didserver = 1;
		}
	    }
	    else {
		print RC