GeniCMV2.pm.in 72.8 KB
Newer Older
1
2
#!/usr/bin/perl -wT
#
3
# Copyright (c) 2008-2012 University of Utah and the Flux Group.
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
# 
# {{{GENIPUBLIC-LICENSE
# 
# GENI Public License
# 
# Permission is hereby granted, free of charge, to any person obtaining
# a copy of this software and/or hardware specification (the "Work") to
# deal in the Work without restriction, including without limitation the
# rights to use, copy, modify, merge, publish, distribute, sublicense,
# and/or sell copies of the Work, and to permit persons to whom the Work
# is furnished to do so, subject to the following conditions:
# 
# The above copyright notice and this permission notice shall be
# included in all copies or substantial portions of the Work.
# 
# THE WORK IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
# OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
# HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
# WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE WORK OR THE USE OR OTHER DEALINGS
# IN THE WORK.
# 
# }}}
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
#
package GeniCMV2;

#
# The server side of the CM interface on remote sites. Also communicates
# with the GMC interface at Geni Central as a client.
#
use strict;
use Exporter;
use vars qw(@ISA @EXPORT);

@ISA    = "Exporter";
@EXPORT = qw ( );

# Must come after package declaration!
use GeniDB;
use GeniResponse;
use GeniTicket;
use GeniCredential;
use GeniCertificate;
49
use GeniComponent;
50
51
52
53
use GeniSlice;
use GeniAggregate;
use GeniSliver;
use GeniUtil;
54
use GeniCM;
55
use GeniHRN;
56
use GeniXML;
57
58
59
60
61
62
63
64
use emutil;
use English;
use Data::Dumper;
use XML::Simple;
use Date::Parse;
use POSIX qw(strftime tmpnam);
use Time::Local;
use Compress::Zlib;
65
use File::Temp qw(tempfile);
66
67
68
69
70
71
72
73
74
75
use MIME::Base64;

# Configure variables
my $TB		   = "@prefix@";
my $TBOPS          = "@TBOPSEMAIL@";
my $TBAPPROVAL     = "@TBAPPROVALEMAIL@";
my $TBAUDIT   	   = "@TBAUDITEMAIL@";
my $BOSSNODE       = "@BOSSNODE@";
my $OURDOMAIN      = "@OURDOMAIN@";
my $PGENIDOMAIN    = "@PROTOGENI_DOMAIN@";
76
my $ELABINELAB     = "@ELABINELAB@";
77
my $TBBASE         = "@TBBASE@";
78
79
80
81
my $CREATEEXPT     = "$TB/bin/batchexp";
my $ENDEXPT        = "$TB/bin/endexp";
my $NALLOC	   = "$TB/bin/nalloc";
my $NFREE	   = "$TB/bin/nfree";
82
my $TEVC	   = "$TB/bin/tevc";
83
84
85
86
87
88
89
90
91
92
93
94
my $AVAIL	   = "$TB/sbin/avail";
my $PTOPGEN	   = "$TB/libexec/ptopgen";
my $TBSWAP	   = "$TB/bin/tbswap";
my $SWAPEXP	   = "$TB/bin/swapexp";
my $PLABSLICE	   = "$TB/sbin/plabslicewrapper";
my $NAMEDSETUP     = "$TB/sbin/named_setup";
my $VNODESETUP     = "$TB/sbin/vnode_setup";
my $GENTOPOFILE    = "$TB/libexec/gentopofile";
my $TARFILES_SETUP = "$TB/bin/tarfiles_setup";
my $MAPPER         = "$TB/bin/mapper";
my $VTOPGEN        = "$TB/bin/vtopgen";
my $SNMPIT         = "$TB/bin/snmpit";
95
96
my $CLONEIMAGE     = "$TB/sbin/clone_image";
my $CREATEIMAGE    = "$TB/bin/create_image";
97
my $XMLLINT	   = "/usr/local/bin/xmllint";
98
99
my $PRERENDER      = "$TB/libexec/vis/prerender";
my $EMULAB_PEMFILE = "@prefix@/etc/genicm.pem";
100
101
# Just one of these, at Utah.
my $GENICH_PEMFILE = "@prefix@/etc/genich.pem";
102
my $API_VERSION    = 2;
103
104
105
106
107
108
109
110

#
# Tell the client what API revision we support.  The correspondence
# between revision numbers and API features is to be specified elsewhere.
# No credentials are required.
#
sub GetVersion()
{
111
112
    my @input_rspec_versions = ( "0.1", "0.2", "2", "3", "PG 0.1", "PG 0.2", "PG 2" );
    my @ad_rspec_versions = ( "0.1", "0.2", "2", "3", "PG 0.1", "PG 0.2", "PG 2" );
Gary Wong's avatar
Gary Wong committed
113
114
115
    my $blob = {
	"api" => $API_VERSION,
	"level" => 1,
116
	"input_rspec" => \@input_rspec_versions,
117
	"output_rspec" => "2",
118
	"ad_rspec" => \@ad_rspec_versions
Gary Wong's avatar
Gary Wong committed
119
120
    };

121
    return GeniResponse->Create( GENIRESPONSE_SUCCESS, $blob);
122
123
124
125
126
127
128
129
}

#
# Respond to a Resolve request. 
#
sub Resolve($)
{
    my ($argref) = @_;
130
131
    my $credentials = $argref->{'credentials'};
    my $urn         = $argref->{'urn'};
132
    my $admin       = 0;
133
    my $isauth	    = 0;
134

135
136
137
138
139
140
141
142
143
144
    if (! (defined($credentials) && defined($urn))) {
	return GeniResponse->MalformedArgsResponse("Missing arguments");
    }
    if (! GeniHRN::IsValid($urn)) {
	return GeniResponse->MalformedArgsResponse("Invalid URN");
    }
    my $credential = CheckCredentials($credentials);
    return $credential
	if (GeniResponse::IsResponse($credential));

145
146
147
    my ($object, $type) = LookupURN($urn);
    return $object
	if (GeniResponse::IsResponse($object));
148
149
150
151

    #
    # This is a convenience for testing. If a local user and that
    # user is an admin person, then do whatever it says. This is
152
153
    # easier then trying to do this with credential privs. But,
    # watch for credentials from authorities instead of users.
154
    #
155
156
    my (undef,$callertype,$callerid) = GeniHRN::Parse($credential->owner_urn());
    if ($callertype eq "user") {
157
	my $user = GeniCM::CreateUserFromCertificate($credential);
158
159
	if (!GeniResponse::IsResponse($user) &&
	    $user->IsLocal() && $user->admin()) {
160
161
162
	    $admin = 1;
	}
    }
163
164
    elsif ($callertype eq "authority" &&
	   ($callerid eq "cm" || $callerid eq "sa")) {
165
	$isauth = 1;
166
    }
167
168
    
    if ($type eq "node") {
169
	my $node  = $object;
170
171
172
173
174
	# Not sure about this, but I do know that Resolving a virtnode
	# is not useful right now. 
	if ($node->isvirtnode()) {
	    $node = Node->Lookup($node->phys_nodeid());
	}
175
	my $rspec = GeniCM::GetAdvertisement(0, $node->node_id(), "0.1", undef);
176
	if (! defined($rspec)) {
177
	    print STDERR "Could not get advertisement for $node!\n";
178
	    return GeniResponse->Create(GENIRESPONSE_ERROR, undef,
179
					"Error getting advertisement");
180
	}
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
	my $me = GeniAuthority->Lookup($ENV{'MYURN'});
	if (!defined($me)) {
	    print STDERR
		"Could not find local authority object for $ENV{'MYURN'}\n";
	    return GeniResponse->Create(GENIRESPONSE_ERROR, undef,
					"Error getting advertisement");
	}
	my $myurn = GeniHRN::Generate($OURDOMAIN, "node", $node->node_id());
	my $myhrn = "${PGENIDOMAIN}." . $node->node_id();

	#
	# See if the component object exists; if not create it.
	#
	my $component = GeniComponent->Lookup($node->uuid());
	if (!defined($component)) {
	    my $certificate = GeniCertificate->Lookup($node->uuid());
	    if (!defined($certificate)) {
		$certificate =
		    GeniCertificate->Create({'urn'  => $myurn,
					     'hrn'  => $myhrn,
					     'email'=> $TBOPS,
					     'uuid' => $node->uuid(),
					     'url'  => $me->url()});
		if (!defined($certificate)) {
		    print STDERR "Could not generate certificate for $node\n";
		    return GeniResponse->Create(GENIRESPONSE_ERROR, undef,
					    "Error getting advertisement");
		}
	    }
	    $component = GeniComponent->Create($certificate, $me);
	    if (!defined($component)) {
		print STDERR "Could not create component for $node\n";
		return GeniResponse->Create(GENIRESPONSE_ERROR, undef,
					    "Error getting advertisement");
	    }
	}
217
	# Return a blob.
218
	my $blob = { "hrn"          => $myhrn,
219
220
		     "uuid"         => $node->uuid(),
		     "role"	    => $node->role(),
221
222
		     "hostname"     =>
			 GeniUtil::FindHostname($node->node_id()),
223
224
		     "physctrl"     => 
			 Interface->LookupControl($node->phys_nodeid())->IP(),
225
226
227
228
		     "urn"          => $myurn,
		     "rspec"        => $rspec,
		     "url"          => $me->url(),
		     "gid"          => $component->cert(),
229
230
231
232
		   };

	return GeniResponse->Create(GENIRESPONSE_SUCCESS, $blob);
    }
Leigh B. Stoller's avatar
Leigh B. Stoller committed
233
    if ($type eq "slice") {
234
235
	my $slice = $object;

Leigh B. Stoller's avatar
Leigh B. Stoller committed
236
237
238
239
	#
	# In this implementation, the caller must hold a valid slice
	# credential for the slice being looked up. 
	#
240
241
	if (! ($isauth || $admin ||
	       $slice->urn() eq $credential->target_urn())) {
242
243
	    return GeniResponse->Create(GENIRESPONSE_FORBIDDEN(), undef,
					"No permission to resolve $slice\n");
Leigh B. Stoller's avatar
Leigh B. Stoller committed
244
245
246
247
248
249
	}
	# Return a blob.
	my $blob = { "urn"          => $urn };

	my $aggregate = GeniAggregate->SliceAggregate($slice);
	if (defined($aggregate)) {
250
	    $blob->{'sliver_urn'} = $aggregate->urn();
251
252
253
254
	    my $manifest = $aggregate->GetManifest(1);
	    if (defined($manifest)) {
		$blob->{'manifest'}   = $manifest;
	    }
255
256
257
258
259
260
261
262
263
264
265
	    # For key bindings.
	    my $slice_experiment = $slice->GetExperiment();
	    if (!defined($slice_experiment)) {
		print STDERR "*** No Experiment for $slice\n";
	    }
	    else {
		my $bindings;
		if ($slice_experiment->NonLocalUsers(\$bindings)) {
		    print STDERR "*** No bindings for $slice_experiment\n";
		}
		elsif (@{ $bindings }) {
266
		    $blob->{'users'} = $bindings;
267
268
		}
	    }
Leigh B. Stoller's avatar
Leigh B. Stoller committed
269
270
271
	}
	my $ticket = GeniTicket->SliceTicket($slice);
	if (defined($ticket)) {
272
	    $blob->{'ticket_urn'} = $ticket->urn();
Leigh B. Stoller's avatar
Leigh B. Stoller committed
273
274
275
276
	}
	return GeniResponse->Create(GENIRESPONSE_SUCCESS, $blob);
    }
    if ($type eq "sliver") {
277
	my $sliver = $object;
278
279
280
	my $slice  = $sliver->GetSlice();
	return GeniResponse->Create(GENIRESPONSE_ERROR)
	    if (!defined($slice));
281

Leigh B. Stoller's avatar
Leigh B. Stoller committed
282
283
284
285
	#
	# In this implementation, the caller must hold a valid slice
	# or sliver credential for the slice being looked up. 
	#
286
	if (! ($admin || $isauth ||
287
	       $sliver->urn() eq $credential->target_urn() ||
288
289
290
291
292
	       $slice->urn() eq $credential->target_urn())) {
	    print STDERR $sliver->urn() . "\n";
	    print STDERR $slice->urn() . "\n";
	    print STDERR $credential->target_urn() . "\n";
	    print STDERR $ENV{'MYURN'} . "\n";
Leigh B. Stoller's avatar
Leigh B. Stoller committed
293
294
	    return GeniResponse->Create(GENIRESPONSE_FORBIDDEN);
	}
295
296
	my $manifest = $sliver->GetManifest(1);
	if (!defined($manifest)) {
Leigh B. Stoller's avatar
Leigh B. Stoller committed
297
298
299
300
301
302
	    return GeniResponse->Create(GENIRESPONSE_ERROR);
	}
	# Return a blob.
	my $blob = { "urn"          => $urn,
		     "manifest"     => $manifest,
		 };
303
304
305
306
307
308
309
310
311
312
313
	# For key bindings.
	my $slice_experiment = $slice->GetExperiment();
	if (!defined($slice_experiment)) {
	    print STDERR "*** No Experiment for $slice\n";
	}
	else {
	    my $bindings;
	    if ($slice_experiment->NonLocalUsers(\$bindings)) {
		print STDERR "*** No bindings for $slice_experiment\n";
	    }
	    elsif (@{ $bindings }) {
314
		$blob->{'users'} = $bindings;
315
316
	    }
	}
Leigh B. Stoller's avatar
Leigh B. Stoller committed
317
318
319
	return GeniResponse->Create(GENIRESPONSE_SUCCESS, $blob);
    }
    if ($type eq "ticket") {
320
321
	my $ticket = $object;

Leigh B. Stoller's avatar
Leigh B. Stoller committed
322
323
324
325
	#
	# In this implementation, the caller must hold a valid slice
	# or sliver credential to get the ticket.
	#
326
	my $slice = GeniSlice->Lookup($ticket->slice_urn());
Leigh B. Stoller's avatar
Leigh B. Stoller committed
327
328
329
330
	if (!defined($slice)) {
	    print STDERR "Could not find slice for $ticket\n";
	    return GeniResponse->Create(GENIRESPONSE_ERROR);
	}
331
	if (! ($admin || $slice->urn() eq $credential->target_urn())) {
Leigh B. Stoller's avatar
Leigh B. Stoller committed
332
333
334
335
336
	    #
	    # See if its the sliver credential. 
	    #
	    my $aggregate = GeniAggregate->SliceAggregate($slice);
	    if (!defined($aggregate) ||
337
		$aggregate->urn() ne $credential->target_urn()) {
Leigh B. Stoller's avatar
Leigh B. Stoller committed
338
339
340
341
342
		return GeniResponse->Create(GENIRESPONSE_FORBIDDEN());
	    }
	}
	return GeniResponse->Create(GENIRESPONSE_SUCCESS, $ticket->asString());
    }
343
344
    return GeniResponse->Create(GENIRESPONSE_UNSUPPORTED, undef,
				"Cannot resolve $type at this authority");
345
346
347
348
349
350
351
352
}

#
# Discover resources on this component, returning a resource availablity spec
#
sub DiscoverResources($)
{
    my ($argref) = @_;
353
354
355
    my $credentials = $argref->{'credentials'};
    my $available   = $argref->{'available'} || 0;
    my $compress    = $argref->{'compress'} || 0;
356
    my $version     = $argref->{'rspec_version'} || undef;
357
358
359
360
361
362
363

    if (! (defined($credentials))) {
	return GeniResponse->MalformedArgsResponse("Missing arguments");
    }
    my $credential = CheckCredentials($credentials);
    return $credential
	if (GeniResponse::IsResponse($credential));
364

365
366
    my $credential_objects = [];
    foreach my $credstr (@$credentials) {
367
368
369
        my $cred = CheckCredential($credstr);
        push(@$credential_objects, $cred) 
            if(!GeniResponse::IsResponse($cred));
370
371
    }
    return GeniCM::DiscoverResourcesAux($available, $compress,
372
        $version, $credential_objects);
373
374
375
376
377
378
379
380
}

#
# Create a Sliver.
#
sub CreateSliver($)
{
    my ($argref) = @_;
381
382
383
384
385
    my $slice_urn    = $argref->{'slice_urn'};
    my $rspecstr     = $argref->{'rspec'};
    my $credentials  = $argref->{'credentials'};
    my $keys         = $argref->{'keys'};
    my $impotent     = $argref->{'impotent'} || 0;
386
387
    require Node;
    require Experiment;
388
389
    require libtestbed;
    require libaudit;
390
391
    
    # For now, I am not worrying about the slice_urn argument.
392
393
    if (! (defined($credentials) &&
	   defined($slice_urn) && defined($rspecstr))) {
394
395
	return GeniResponse->MalformedArgsResponse("Missing arguments");
    }
396
397
398
399
400
401
    if (! ($rspecstr =~ /^[\040-\176\012\015\011]+$/)) {
	return GeniResponse->MalformedArgsResponse("Bad characters in rspec");
    }
    if (! GeniHRN::IsValid($slice_urn)) {
	return GeniResponse->MalformedArgsResponse("Bad characters in URN");
    }
402
403
404
    my $credential = CheckCredentials($credentials);
    return $credential
	if (GeniResponse::IsResponse($credential));
405

406
407
408
409
410
411
412
    #
    # In this implementation, the user must provide a slice credential,
    # so we ignore the slice_urn. For CreateSliver(), the slice must not
    # be instantiated.
    #
    my ($slice,$aggregate) = Credential2SliceAggregate($credential);
    if (defined($slice)) {
413
414
415
	return $slice
	    if (GeniResponse::IsResponse($slice));

416
417
418
419
	if ($slice_urn ne $slice->urn()) {
	    return GeniResponse->Create(GENIRESPONSE_FORBIDDEN(), undef,
					"Credential does not match the URN");
	}
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
	#
	# Watch for a placeholder slice and update it.
	#
	if ($slice->isplaceholder()) {
	    if ($slice->Lock() != 0) {
		return GeniResponse->BusyResponse();
	    }
	    #
	    # Confirm that the slice certificate is the same.
	    #
	    if ($slice->cert() ne $credential->target_cert()->cert()) {
		$slice->UnLock();
		return GeniResponse->Create(GENIRESPONSE_FORBIDDEN, undef,
					    "Slice certificate mismatch");
	    }
	    my $user =
436
		GeniCM::CreateUserFromCertificate($credential);
437
	    if (GeniResponse::IsResponse($user)) {	    
438
		$slice->UnLock();
439
		return $user;
440
441
442
443
444
445
446
447
	    }
	    if ($slice->ConvertPlaceholder($user) != 0) {
		$slice->UnLock();
		return GeniResponse->Create(GENIRESPONSE_ERROR, undef,
					    "Could not convert placeholder");
	    }
	    $slice->UnLock();
	}
448
449
450
451
452
	if (defined($aggregate)) {
	    return GeniResponse->Create(GENIRESPONSE_REFUSED, undef,
					"Must delete existing slice first");
	}
    }
453
    my $rspec = GeniCM::GetTicketAux($credential,
454
				     $rspecstr, 0, $impotent, 1, 0, undef);
455
456
457
    return $rspec
	if (GeniResponse::IsResponse($rspec));

458
459
460
461
    # Make sure that the next phase sees all changes.
    Experiment->FlushAll();
    Node->FlushAll();

462
    my $response = GeniCM::SliverWorkAux($credential,
463
					 $rspec, $keys, 0, $impotent, 1, 0);
464

465
466
467
468
469
470
471
    if (GeniResponse::IsError($response)) {
	#
	# We have to make sure there is nothing left over since there
	# is no actual ticket, so the resources will not get cleaned
	# up by the daemon. This is mostly cause I am reaching into
	# the V1 code, and its messy.
	#
472
	my $slice = GeniSlice->Lookup($credential->target_urn());
473
474
475
476
477
478
479
	if ($slice->Lock() != 0) {
	    print STDERR "CreateSliver: Could not lock $slice before delete\n";
	    return $response;
	}
	if (defined($slice)) {
	    GeniCM::CleanupDeadSlice($slice, 1);
	}
480
	return $response;
481
    }
482
483
    my ($sliver_credential, $sliver_manifest) = @{ $response->{'value'} };
    
484
485
486
    #
    # Leave the slice intact on error, so we can go look at it. 
    #
487
    $slice = GeniSlice->Lookup($credential->target_urn());
488
489
490
491
492
493
494
495
496
497
    if (!defined($slice)) {
	print STDERR "CreateSliver: Could not find slice for $credential\n";
	return GeniResponse->Create(GENIRESPONSE_ERROR, undef,
				    "Internal Error");
    }
    if ($slice->Lock() != 0) {
	print STDERR "CreateSliver: Could not lock $slice before start\n";
	return GeniResponse->Create(GENIRESPONSE_ERROR, undef,
				    "Internal Error");
    }
498
    $aggregate = GeniAggregate->SliceAggregate($slice);
499
500
501
502
503
    if (!defined($aggregate)) {
	print STDERR "CreateSliver: Could not find aggregate for $slice\n";
	return GeniResponse->Create(GENIRESPONSE_ERROR, undef,
				    "Internal Error");
    }
504
505
506
507
508
509
510
511
512
513
514
515
516
517
    #
    # At this point we want to return and let the startsliver proceed
    # in the background
    #
    my $mypid = fork();
    if ($mypid) {
	# Let the child get going.
	sleep(1);
	return GeniResponse->Create(GENIRESPONSE_SUCCESS,
				    [$sliver_credential, $sliver_manifest]);
    }
    # This switches the file that we are writing to. 
    libaudit::AuditFork();
    
518
519
520
521
    # Make sure that the next phase sees all changes.
    Experiment->FlushAll();
    Node->FlushAll();

Leigh B. Stoller's avatar
Leigh B. Stoller committed
522
    if ($aggregate->Start($API_VERSION, 0) != 0) {
523
	$slice->UnLock();
524
525
	print STDERR "Could not start sliver\n";
	return -1;
526
    }
527
    $slice->UnLock();
528
    return 0;
529
530
531
532
533
534
}

#
# Delete a Sliver.
#
sub DeleteSliver($)
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
{
    my ($argref) = @_;
    my $sliver_urn   = $argref->{'sliver_urn'};
    my $credentials  = $argref->{'credentials'};
    my $impotent     = $argref->{'impotent'} || 0;

    if (! (defined($credentials) && defined($sliver_urn))) {
	return GeniResponse->MalformedArgsResponse("Missing arguments");
    }
    if (! GeniHRN::IsValid($sliver_urn)) {
	return GeniResponse->MalformedArgsResponse("Bad characters in URN");
    }
    my $credential = CheckCredentials($credentials);
    return $credential
	if (GeniResponse::IsResponse($credential));

    #
    # In this implementation, the user must provide a slice or sliver
    # credential
    #
    my ($slice, $aggregate) = Credential2SliceAggregate($credential);
556
557
558
    return $slice
	if (defined($slice) && GeniResponse::IsResponse($slice));
    
559
560
561
562
563
564
565
566
567
568
569
570
571
572
    if (! (defined($slice) && defined($aggregate))) {
	return GeniResponse->Create(GENIRESPONSE_SEARCHFAILED, undef,
				    "Sliver does not exist");
    }
    if ($sliver_urn ne $aggregate->urn()) {
	return GeniResponse->Create(GENIRESPONSE_FORBIDDEN(), undef,
				    "Credential does not match the URN");
    }

    #
    # We need this below to sign the ticket.
    #
    my $authority = GeniCertificate->LoadFromFile($EMULAB_PEMFILE);
    if (!defined($authority)) {
573
	print STDERR " Could not load $EMULAB_PEMFILE\n";
574
575
576
577
578
579
	return GeniResponse->Create(GENIRESPONSE_ERROR);
	
    }
    #
    # We need the user to sign the new ticket to. 
    #
580
    my $user = GeniCM::CreateUserFromCertificate($credential);
581
582
    return $user
	if (GeniResponse::IsResponse($user));
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
    
    my $response = GeniCM::DeleteSliverAux($credential, $impotent, 1);
    return $response
	if (GeniResponse::IsResponse($response));

    #
    # In the v2 API, return a new ticket for the resources
    # (which were not released). As with all tickets, it will
    # expire very quickly. 
    #
    #
    # Create a new ticket from the manifest.
    #
    my $manifest = $aggregate->GetManifest(0);
    if (!defined($manifest)) {
	print STDERR "No manifest found for $aggregate\n";
	$response = GeniResponse->Create(GENIRESPONSE_ERROR);
	goto bad;
    }
602
603
    my $ticket = GeniTicket->Create($authority, $user,
				    GeniXML::Serialize($manifest));
604
605
606
607
608
    if (!defined($ticket)) {
	print STDERR "Could not create new ticket for $slice\n";
	$response = GeniResponse->Create(GENIRESPONSE_ERROR);
	goto bad;
    }
609
    $ticket->SetSlice($slice);
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
    
    if ($ticket->Sign()) {
	$ticket->Delete();
	print STDERR "Could not sign new ticket $ticket\n";
	$response = GeniResponse->Create(GENIRESPONSE_ERROR);
	goto bad;
    }
    if ($ticket->Store()) {
	$ticket->Delete();
	print STDERR "Could not store new ticket $ticket\n";
	$response = GeniResponse->Create(GENIRESPONSE_ERROR);
	goto bad;
    }
    my $slice_uuid = $slice->uuid();
    DBQueryWarn("delete from geni_manifests ".
		"where slice_uuid='$slice_uuid'");
    $slice->UnLock();
    return GeniResponse->Create(GENIRESPONSE_SUCCESS, $ticket->asString());

  bad:
    if (GeniCM::CleanupDeadSlice($slice) != 0) {
	print STDERR "Could not cleanup slice\n";
    }
    return $response;
}

#
# Delete a Slice
#
sub DeleteSlice($)
640
641
{
    my ($argref) = @_;
642
643
644
645
    my $slice_urn    = $argref->{'slice_urn'};
    my $credentials  = $argref->{'credentials'};
    my $impotent     = $argref->{'impotent'} || 0;

646
    if (! (defined($credentials) && defined($slice_urn))) {
647
648
	return GeniResponse->MalformedArgsResponse("Missing arguments");
    }
649
650
651
    if (! GeniHRN::IsValid($slice_urn)) {
	return GeniResponse->MalformedArgsResponse("Bad characters in URN");
    }
652
653
654
    my $credential = CheckCredentials($credentials);
    return $credential
	if (GeniResponse::IsResponse($credential));
655

656
657
658
659
    #
    # In this implementation, the user must provide a slice credential.
    #
    my ($slice, $aggregate) = Credential2SliceAggregate($credential);
660
661
662
    return $slice
	if (defined($slice) && GeniResponse::IsResponse($slice));

663
664
665
666
667
668
669
670
671
672
673
    if (! defined($slice)) {
	return GeniResponse->Create(GENIRESPONSE_SEARCHFAILED, undef,
				    "No such slice here");
    }
    if ($slice_urn ne $slice->urn()) {
	return GeniResponse->Create(GENIRESPONSE_FORBIDDEN(), undef,
				    "Credential does not match the URN");
    }
    if ($slice->Lock() != 0) {
	return GeniResponse->BusyResponse();
    }
Leigh B. Stoller's avatar
Leigh B. Stoller committed
674
    if (GeniCM::CleanupDeadSlice($slice, 1) != 0) {
675
676
677
678
	return GeniResponse->Create(GENIRESPONSE_ERROR, undef,
				    "Could not cleanup slice");
    }
    return GeniResponse->Create(GENIRESPONSE_SUCCESS);
679
680
681
682
683
684
685
686
}

#
# Get a Sliver (credential)
#
sub GetSliver($)
{
    my ($argref) = @_;
687
688
    my $slice_urn    = $argref->{'slice_urn'};
    my $credentials  = $argref->{'credentials'};
689

690
    if (! (defined($credentials) && defined($slice_urn))) {
691
692
	return GeniResponse->MalformedArgsResponse("Missing arguments");
    }
693
694
695
    if (! GeniHRN::IsValid($slice_urn)) {
	return GeniResponse->MalformedArgsResponse("Bad characters in URN");
    }
696
697
698
699
    my $credential = CheckCredentials($credentials);
    return $credential
	if (GeniResponse::IsResponse($credential));

700
701
702
703
    #
    # In this implementation, the user must provide a slice credential.
    #
    my ($slice, $aggregate) = Credential2SliceAggregate($credential);
704
705
706
    return $slice
	if (defined($slice) && GeniResponse::IsResponse($slice));

707
    if (! (defined($slice) && defined($aggregate))) {
708
	return GeniResponse->Create(GENIRESPONSE_SEARCHFAILED, undef,
709
710
711
712
713
714
				    "No slice or aggregate here");
    }
    if ($slice_urn ne $slice->urn()) {
	return GeniResponse->Create(GENIRESPONSE_FORBIDDEN(), undef,
				    "Credential does not match the URN");
    }
715
    return GeniCM::GetSliverAux($credential);
716
717
718
}

#
719
# Start a sliver (not sure what this means yet, so reboot for now).
720
#
721
sub StartSliver($)
722
723
{
    my ($argref) = @_;
724
    my $slice_urn    = $argref->{'slice_urn'};
725
    my $sliver_urns  = $argref->{'sliver_urns'} || $argref->{'component_urns'};
726
    my $credentials  = $argref->{'credentials'};
727
    my $manifest     = $argref->{'manifest'};
Leigh B. Stoller's avatar
Leigh B. Stoller committed
728
    
729
730
    return SliverAction("start",
			$slice_urn, $sliver_urns, $credentials, $manifest);
Leigh B. Stoller's avatar
Leigh B. Stoller committed
731
732
733
734
735
736
}

sub StopSliver($)
{
    my ($argref) = @_;
    my $slice_urn    = $argref->{'slice_urn'};
737
    my $sliver_urns  = $argref->{'sliver_urns'} || $argref->{'component_urns'};
Leigh B. Stoller's avatar
Leigh B. Stoller committed
738
739
    my $credentials  = $argref->{'credentials'};

740
741
    return SliverAction("stop",
			$slice_urn, $sliver_urns, $credentials, undef);
Leigh B. Stoller's avatar
Leigh B. Stoller committed
742
743
744
745
746
747
}

sub RestartSliver($)
{
    my ($argref) = @_;
    my $slice_urn    = $argref->{'slice_urn'};
748
    my $sliver_urns  = $argref->{'sliver_urns'} || $argref->{'component_urns'};
Leigh B. Stoller's avatar
Leigh B. Stoller committed
749
    my $credentials  = $argref->{'credentials'};
750
    my $manifest     = $argref->{'manifest'};
Leigh B. Stoller's avatar
Leigh B. Stoller committed
751

752
753
    return SliverAction("restart",
			$slice_urn, $sliver_urns, $credentials, $manifest);
Leigh B. Stoller's avatar
Leigh B. Stoller committed
754
}
755

756
sub SliverAction($$$$$)
Leigh B. Stoller's avatar
Leigh B. Stoller committed
757
{
758
    my ($action, $slice_urn, $sliver_urns, $credentials, $manifest) = @_;
759
    my $response;
760
    my $isasync = 0;
761

762
763
    if (! (defined($credentials) &&
	   (defined($slice_urn) || defined($sliver_urns)))) {
764
765
766
767
768
769
770
771
772
773
774
	return GeniResponse->MalformedArgsResponse("Missing arguments");
    }
    my $credential = CheckCredentials($credentials);
    return $credential
	if (GeniResponse::IsResponse($credential));

    $credential->HasPrivilege( "pi" ) or
	$credential->HasPrivilege( "info" ) or
	return GeniResponse->Create(GENIRESPONSE_FORBIDDEN, undef,
				    "Insufficient privilege");

775
776
777
778
779
780
781
782
783
    if (defined($manifest)) {
	$manifest = GeniXML::Parse($manifest);
	if (!defined($manifest)) {
	    print STDERR "Error reading manifest\n";
	    return GeniResponse->Create(GENIRESPONSE_BADARGS, undef,
					"Bad manifest");
	}
    }
    
784
785
786
    #
    # For now, only allow top level aggregate or the slice
    #
787
    my ($slice, $aggregate) = Credential2SliceAggregate($credential);
788
789
    return $slice
	if (defined($slice) && GeniResponse::IsResponse($slice));
Srikanth's avatar
Srikanth committed
790

791
792
793
794
795
    if ( (!defined($slice)) && 
          ($credential->target_urn() =~ /\+authority\+cm$/)) {
          # administrative credentials are presented.
          my $cm_urn = GeniHRN::Generate($OURDOMAIN, "authority", "cm");
          if ($cm_urn != $credential->target_urn()) {
Srikanth's avatar
Srikanth committed
796
            return GeniResponse->Create(GENIRESPONSE_FORBIDDEN(), undef,
797
798
799
800
                      "Credential target does not match CM URN");
          }

      if (!defined($slice_urn)) {
Srikanth's avatar
Srikanth committed
801
802
          return GeniResponse->MalformedArgsResponse("Missing arguments");
      }       
803
804
805
806
807
808
809
810
      $slice = GeniSlice->Lookup($slice_urn);
      return GeniResponse->Create(GENIRESPONSE_ERROR, undef, 
                "No Slice with urn $slice_urn here")
          if (!defined($slice));
      $aggregate = GeniAggregate->SliceAggregate($slice);
      return GeniResponse->Create(GENIRESPONSE_ERROR, undef, 
                      "No Aggregate here")
          if (!defined($aggregate));
Srikanth's avatar
Srikanth committed
811
    } 
812

813
814
815
816
817
818
    if (! (defined($slice) && defined($aggregate))) {
	return GeniResponse->Create(GENIRESPONSE_BADARGS, undef,
				    "No slice or aggregate here");
    }
    if (defined($slice_urn)) {
	if (! GeniHRN::IsValid($slice_urn)) {
Leigh B. Stoller's avatar
Leigh B. Stoller committed
819
820
	    return
		GeniResponse->MalformedArgsResponse("Bad characters in URN");
821
	}
822
823
824
	if ($slice_urn ne $slice->urn()) {
	    return GeniResponse->Create(GENIRESPONSE_FORBIDDEN(), undef,
					"Credential does not match the URN");
825
	}
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
    }
    if ($slice->Lock() != 0) {
	return GeniResponse->BusyResponse();
    }
    # Shutdown slices get nothing.
    if ($slice->shutdown()) {
	$slice->UnLock();
	return GeniResponse->Create(GENIRESPONSE_FORBIDDEN, undef,
				    "Slice has been shutdown");
    }
    if ($aggregate->ComputeState()) {
	$slice->UnLock();
	print STDERR "Could not determine current state\n";
	return GeniResponse->Create(GENIRESPONSE_ERROR);
    }
    my $CheckState = sub {
	my ($object, $action) = @_;

Leigh B. Stoller's avatar
Leigh B. Stoller committed
844
	if ($action eq "start") {
845
846
	    if ($object->state() ne "stopped" && $object->state() ne "new"
		&& $object->state() ne "mixed") {
Leigh B. Stoller's avatar
Leigh B. Stoller committed
847
848
849
850
851
		return GeniResponse->Create(GENIRESPONSE_REFUSED, undef,
					    "Sliver is not stopped (yet)");
	    }
	}
	elsif ($action eq "stop") {
852
	    if ($object->state() ne "started" && $object->state() ne "mixed") {
Leigh B. Stoller's avatar
Leigh B. Stoller committed
853
854
855
856
857
		return GeniResponse->Create(GENIRESPONSE_REFUSED, undef,
					    "Sliver is not started (yet)");
	    }
	}
	elsif ($action eq "restart") {
858
	    if ($object->state() ne "started" && $object->state() ne "mixed") {
Leigh B. Stoller's avatar
Leigh B. Stoller committed
859
860
861
		return GeniResponse->Create(GENIRESPONSE_REFUSED, undef,
					    "Sliver is not started (yet)");
	    }
862
863
864
865
866
867
	}
	return 0;
    };
    my $PerformAction = sub {
	my ($object, $action) = @_;

868
869
	my $exitval = 0;

870
	if ($action eq "start") {
871
	    $exitval = $object->Start($API_VERSION, 0);
872
	}
873
	elsif ($action eq "stop") {
874
	    $exitval = $object->Stop($API_VERSION);
875
876
	}
	elsif ($action eq "restart") {
877
	    $exitval = $object->Start($API_VERSION, 1);
878
	}
879
880
881
882
	return GeniResponse->Create(GENIRESPONSE_ERROR, 
				    "Could not $action sliver")
	    if ($exitval);
	
883
884
885
	return 0;
    };

886
887
888
889
890
891
892
893
894
895
896
    my $user = GeniCM::CreateUserFromCertificate($credential);
    return $user
	if (GeniResponse::IsResponse($user));

    my $realuser = GeniCM::FlipToUser($slice, $user);
    if (! (defined($realuser) && $realuser)) {
	print STDERR "Error flipping to real user\n";
	return GeniResponse->Create(GENIRESPONSE_ERROR, undef,
				    "FlipToUser Error");
    }

897
898
899
900
901
    if (defined($slice_urn)) {
	$response = &$CheckState($aggregate, $action);
	goto bad
	    if (GeniResponse::IsResponse($response));
	    
902
903
904
	if ($action eq "start" || $action eq "restart") {
	    if (defined($manifest) &&
		$aggregate->ProcessManifest($manifest)) {
905
906
907
908
909
		$response = GeniResponse->Create(GENIRESPONSE_ERROR,
						 undef,
						 "Error processing manifest");
		goto bad;
	    }
910
911
912
913
914
915
916
917
918
919
920
921
922
923
	    #
	    # At this point we want to return and let the startsliver proceed
	    # in the background
	    #
	    my $mypid = fork();
	    if ($mypid) {
		# Let the child get going.
		sleep(1);
		return GeniResponse->Create(GENIRESPONSE_SUCCESS);
	    }
	    $isasync = 1;
	    
	    # This switches the file that we are writing to. 
	    libaudit::AuditFork();
924
	}
925
926
927
928
	$response = &$PerformAction($aggregate, $action);
	goto bad
	    if (GeniResponse::IsResponse($response));

929
	$slice->UnLock();
930
931
	return ($isasync ? GENIRESPONSE_SUCCESS :
		GeniResponse->Create(GENIRESPONSE_SUCCESS));
932
    }
Leigh B. Stoller's avatar
Leigh B. Stoller committed
933
    else {
934
	my @slivers = ();
Leigh B. Stoller's avatar
Leigh B. Stoller committed
935

936
937
938
939
940
	#
	# Sanity check all arguments before doing anything.
	#
	foreach my $urn (@{ $sliver_urns }) {
	    my $sliver = GeniSliver->Lookup($urn);
Leigh B. Stoller's avatar
Leigh B. Stoller committed
941
942
943
944
945
946
	    if (!defined($sliver)) {
		$response = GeniResponse->Create(GENIRESPONSE_SEARCHFAILED,
						 undef,
						 "Nothing here by that name");
		goto bad;
	    }
947
948
949
950
951
952
953
954
	    
	    $response = &$CheckState($sliver, $action);
	    goto bad
		if (GeniResponse::IsResponse($response));

	    push(@slivers, $sliver);
	}
	foreach my $sliver (@slivers) {
955
956
957
958
959
960
961
962
	    if ($action eq "start" && defined($manifest)) {
		if ($sliver->ProcessManifest($manifest)) {
		    $response = GeniResponse->Create(GENIRESPONSE_ERROR,
				     undef,
				     "Error processing manifest for $sliver");
		    goto bad;
		}
	    }
963
964
965
966
967
968
	    $response = &$PerformAction($sliver, $action);
	    goto bad
		if (GeniResponse::IsResponse($response));
	}
	$slice->UnLock();
	return GeniResponse->Create(GENIRESPONSE_SUCCESS);
Leigh B. Stoller's avatar
Leigh B. Stoller committed
969
    }
970
971
  bad:
    $slice->UnLock();
972
    return ($isasync ? $response->{'code'} : $response);
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
}

#
# Get sliver status
#
sub SliverStatus($)
{
    my ($argref) = @_;
    my $slice_urn    = $argref->{'slice_urn'};
    my $credentials  = $argref->{'credentials'};

    if (! (defined($credentials) && defined($slice_urn))) {
	return GeniResponse->MalformedArgsResponse("Missing arguments");
    }
    if (! GeniHRN::IsValid($slice_urn)) {
	return GeniResponse->MalformedArgsResponse("Bad characters in URN");
    }
    my $credential = CheckCredentials($credentials);
    return $credential
	if (GeniResponse::IsResponse($credential));

    $credential->HasPrivilege( "pi" ) or
	$credential->HasPrivilege( "info" ) or
	return GeniResponse->Create(GENIRESPONSE_FORBIDDEN, undef,
				    "Insufficient privilege");

    #
    # For now, only allow top level aggregate or the slice
    #
    my ($slice, $aggregate) = Credential2SliceAggregate($credential);
1003
1004
1005
    return $slice
	if (defined($slice) && GeniResponse::IsResponse($slice));

1006
    if (! (defined($slice) && defined($aggregate))) {
1007
	return GeniResponse->Create(GENIRESPONSE_SEARCHFAILED, undef,
1008
1009
1010
1011
1012
				    "No slice or aggregate here");
    }
    if ($slice_urn ne $slice->urn()) {
	return GeniResponse->Create(GENIRESPONSE_FORBIDDEN(), undef,
				    "Credential does not match the URN");
1013
1014
1015
1016
    }
    if ($slice->Lock() != 0) {
	return GeniResponse->BusyResponse();
    }
Leigh B. Stoller's avatar
Leigh B. Stoller committed
1017
1018
1019
1020
1021
    if ($aggregate->ComputeState()) {
	print STDERR "SliverStatus: Could not compute state for $aggregate\n";
	$slice->UnLock();
	return GeniResponse->Create(GENIRESPONSE_ERROR);
    }
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032

    #
    # Grab all the slivers for this slice, and then
    # look for just the nodes.
    #
    my @slivers    = ();
    if ($aggregate->SliverList(\@slivers) != 0) {
	print STDERR "SliverStatus: Could not get slivers for $aggregate\n";
	$slice->UnLock();
	return GeniResponse->Create(GENIRESPONSE_ERROR);
    }
Leigh B. Stoller's avatar
Leigh B. Stoller committed
1033
1034
1035

    my $blob = {
	"state"   => $aggregate->state(),
Leigh B. Stoller's avatar
Leigh B. Stoller committed
1036
	"status"  => $aggregate->status(),
1037
	"error"   => $aggregate->ErrorLog(),
Leigh B. Stoller's avatar
Leigh B. Stoller committed
1038
1039
	"details" => {},
    };
1040
    foreach my $sliver (@slivers) {
1041
1042
1043
1044
1045
1046
1047
1048
	if ($sliver->isa("GeniAggregate")) {
	    next
		if (! (ref($sliver) eq "GeniAggregate::Link" ||
		       ref($sliver) eq "GeniAggregate::Tunnel"));
	}
	elsif ($sliver->resource_type() ne "Node") {
	    next;
	}
1049

1050
	my $sliver_urn    = $sliver->sliver_urn();
1051
	my $resource_id   = $sliver->resource_id();
Leigh B. Stoller's avatar
Leigh B. Stoller committed
1052
1053
1054
	my $state         = $sliver->state();
	my $status        = $sliver->status();
	my $error         = "";
1055

1056
1057
1058
1059
	# New is the same as stopped. Separate state is handy.
	$state = "stopped"
	    if ($state eq "new");

Leigh B. Stoller's avatar
Leigh B. Stoller committed
1060
1061
	if ($status eq "failed") {
	    $error = $sliver->ErrorLog();
1062
	}
1063
	$blob->{'details'}->{$sliver_urn} = {
1064
	    "component_urn" => $resource_id,
1065
1066
1067
1068
1069
1070
1071
	    "state"  => $state,
	    "status" => $status,
	    "error"  => $error,
	};
    }
    $slice->UnLock();
    return GeniResponse->Create(GENIRESPONSE_SUCCESS, $blob);
1072
1073
1074
1075
1076
1077
1078
1079
}

#
# Shutdown sliver
#
sub Shutdown($)
{
    my ($argref) = @_;
1080
1081
1082
    my $slice_urn    = $argref->{'slice_urn'};
    my $clear        = $argref->{'clear'} || 0;
    my $credentials  = $argref->{'credentials'};
1083
    require libtestbed;
1084

1085
    if (! (defined($credentials) && defined($slice_urn))) {
1086
1087
1088
1089
1090
	return GeniResponse->MalformedArgsResponse("Missing arguments");
    }
    my $credential = CheckCredentials($credentials);
    return $credential
	if (GeniResponse::IsResponse($credential));
1091

1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
    $credential->HasPrivilege( "pi" ) or
	$credential->HasPrivilege( "instantiate" ) or
	$credential->HasPrivilege( "control" ) or
	return GeniResponse->Create( GENIRESPONSE_FORBIDDEN, undef,
				     "Insufficient privilege" );

    #
    # The clearinghouse generates a different credential to do this.
    #
    if ($slice_urn ne $credential->target_urn()) {
	my $certificate = GeniCertificate->LoadFromFile($GENICH_PEMFILE);
	if (!defined($certificate)) {
	    print STDERR "Could not load certificate from $GENICH_PEMFILE\n";
	    return GeniResponse->Create(GENIRESPONSE_ERROR);
	}

	# The caller has to match the clearinghouse.
	if ($credential->owner_urn() ne $certificate->urn()) {
	    return GeniResponse->Create(GENIRESPONSE_FORBIDDEN, undef,
					"Insufficient privilege");
	}
    }

    #
    # No slice here? Done.
    #
    my $slice = GeniSlice->Lookup($slice_urn);
    if (!defined($slice)) {
	return GeniResponse->Create(GENIRESPONSE_SUCCESS);
    }
    #
    # Do not worry about locking when setting the shutdown time.
    # This can lead to race though, if a clear shutdown comes in first.
    # Seems unlikely though. 
    #
    if (!$clear) {
	# Do not overwrite original shutdown time
	$slice->SetShutdown(1)
	    if (!defined($slice->shutdown()) || $slice->shutdown() eq "");
    }
    else {
	$slice->SetShutdown(0);
    }
    # Always make sure the slice is shutdown.
    if ($slice->shutdown()) {
	# The expire daemon is going to look for this, so it will get
	# taken care of shortly.
	if ($slice->Lock() != 0) {
	    return GeniResponse->BusyResponse();
	}
	if (GeniCM::CleanupDeadSlice($slice, 0) != 0) {
1143
1144
	    libtestbed::SENDMAIL($TBOPS, "Emergency Shutdown failed",
				 "Emergency shutdown failed on $slice\n");
1145
1146
1147
1148
1149
1150
1151
	    print STDERR "Could not shutdown $slice!\n";
	    # Lets call this a non-error since the local admin person
	    # is going to have to deal with it anyway. 
	}
	$slice->UnLock();
    }
    return GeniResponse->Create(GENIRESPONSE_SUCCESS);
1152
1153
1154
}

#
1155
# Renew a slice
1156
#
1157
sub RenewSlice($)
1158
1159
{
    my ($argref) = @_;
1160
    my $slice_urn    = $argref->{'slice_urn'};
1161
    my $valid_until  = $argref->{'valid_until'} || $argref->{'expiration'};
1162
1163
    my $credentials  = $argref->{'credentials'};

Leigh B. Stoller's avatar
Leigh B. Stoller committed
1164
    if (! (defined($credentials) && defined($slice_urn))) {
1165
1166
	return GeniResponse->MalformedArgsResponse("Missing arguments");
    }
1167
1168
1169
    if (! GeniHRN::IsValid($slice_urn)) {
	return GeniResponse->MalformedArgsResponse("Bad characters in URN");
    }
1170
1171
1172
1173
    my $credential = CheckCredentials($credentials);
    return $credential
	if (GeniResponse::IsResponse($credential));

1174
1175
1176
1177
    #
    # In this implementation, the user must provide a slice credential.
    #
    my ($slice, $aggregate) = Credential2SliceAggregate($credential);
1178
1179
1180
    return $slice
	if (defined($slice) && GeniResponse::IsResponse($slice));

1181
1182
1183
1184
1185
1186
1187
1188
    if (! (defined($slice) && defined($aggregate))) {
	return GeniResponse->Create(GENIRESPONSE_BADARGS, undef,
				    "No slice or aggregate here");
    }
    if ($slice_urn ne $slice->urn()) {
	return GeniResponse->Create(GENIRESPONSE_FORBIDDEN(), undef,
				    "Credential does not match the URN");
    }
1189
1190
    my $credential_objects = [];
    foreach my $credstr (@$credentials) {
1191
1192
1193
        my $cred = CheckCredential($credstr);
        push(@$credential_objects, $cred) 
            if(!GeniResponse::IsResponse($cred));
1194
1195
    }
    return GeniCM::RenewSliverAux($credential_objects, $valid_until);
1196
1197
}

1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
1222
1223
1224
1225
#
# Get a Ticket.
#
sub GetTicket($)
{
    my ($argref) = @_;
    my $slice_urn    = $argref->{'slice_urn'};
    my $rspecstr     = $argref->{'rspec'};
    my $credentials  = $argref->{'credentials'};
    my $impotent     = $argref->{'impotent'} || 0;

    if (! (defined($credentials) &&
	   defined($slice_urn) && defined($rspecstr))) {
	return GeniResponse->MalformedArgsResponse("Missing arguments");
    }
    if (! ($rspecstr =~ /^[\040-\176\012\015\011]+$/)) {
	return GeniResponse->MalformedArgsResponse("Bad characters in rspec");
    }
    my $credential = CheckCredentials($credentials);
    return $credential
	if (GeniResponse::IsResponse($credential));

    #
    # This implementation requires a slice credential, and it must
    # match the slice_urn.
    #
    my ($slice, $aggregate) = Credential2SliceAggregate($credential);
    if (defined($slice)) {
1226
1227
1228
	return $slice
	    if (GeniResponse::IsResponse($slice));
	
1229
1230
1231
1232
	if ($slice_urn ne $slice->urn()) {
	    return GeniResponse->Create(GENIRESPONSE_FORBIDDEN(), undef,
					"Credential does not match the URN");
	}
1233
1234
1235
1236
1237
1238
1239
1240
1241
1242
1243
1244
1245
1246
1247
1248
1249

	#
	# Watch for a placeholder slice and update it.
	#
	if ($slice->isplaceholder()) {
	    if ($slice->Lock() != 0) {
		return GeniResponse->BusyResponse();
	    }
	    #
	    # Confirm that the slice certificate is the same.
	    #
	    if ($slice->cert() ne $credential->target_cert()->cert()) {
		$slice->UnLock();
		return GeniResponse->Create(GENIRESPONSE_FORBIDDEN, undef,
					    "Slice certificate mismatch");
	    }
	    my $user =
1250
		GeniCM::CreateUserFromCertificate($credential);
1251
	    if (GeniResponse::IsResponse($user)) {
1252
		$slice->UnLock();
1253
		return $user;
1254
1255
1256
1257
1258
1259
1260
1261
1262
	    }
	    if ($slice->ConvertPlaceholder($user) != 0) {
		$slice->UnLock();
		return GeniResponse->Create(GENIRESPONSE_ERROR, undef,
					    "Could not convert placeholder");
	    }
	    $slice->UnLock();
	}
	
1263
1264
1265
1266
1267
1268
1269
1270
1271
1272
1273
1274
1275
1276
1277
1278
1279
	#
	# GetTicket applies only to slices that are not active. Must
	# use UpdateSliver() for an active sliver.
	#
	if (defined($aggregate)) {
	    return GeniResponse->Create(GENIRESPONSE_REFUSED(), undef,
				"Cannot get a ticket for active sliver");
	}
	#
	# It is an error if there is an outstanding ticket. That ticket
	# must be released first.
	#
	my $ticket = GeniTicket->SliceTicket($slice);
	if (defined($ticket)) {
	    return GeniResponse->Create(GENIRESPONSE_REFUSED, undef,
				    "Must release unredeemed ticket first");
	}
1280
1281
1282
1283
	if ($slice->IsExpired()) {
	    return GeniResponse->Create(GENIRESPONSE_REFUSED, undef,
					"Slice has expired");
	}
1284
1285
1286
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
1315
1316
1317
1318
1319
1320
1321
1322
1323
1324
1325
1326
1327
    }
    else {
	# Slice does not exist yet. 
    }
    return GeniCM::GetTicketAux($credential,
				$rspecstr, 0, $impotent, 1, 1, undef);
}    
	
#
# Update a ticket, returning a new ticket. 
#
sub UpdateTicket($)
{
    my ($argref) = @_;
    my $slice_urn    = $argref->{'slice_urn'};
    my $ticketstr    = $argref->{'ticket'};
    my $rspecstr     = $argref->{'rspec'};
    my $credentials  = $argref->{'credentials'};
    my $impotent     = $argref->{'impotent'} || 0;

    if (! (defined($cre