xref: /titanic_41/usr/src/lib/libscf/common/midlevel.c (revision 25cf1a301a396c38e8adf52c15f537b80d2483f7)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License, Version 1.0 only
6  * (the "License").  You may not use this file except in compliance
7  * with the License.
8  *
9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10  * or http://www.opensolaris.org/os/licensing.
11  * See the License for the specific language governing permissions
12  * and limitations under the License.
13  *
14  * When distributing Covered Code, include this CDDL HEADER in each
15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16  * If applicable, add the following below this CDDL HEADER, with the
17  * fields enclosed by brackets "[]" replaced with your own identifying
18  * information: Portions Copyright [yyyy] [name of copyright owner]
19  *
20  * CDDL HEADER END
21  */
22 /*
23  * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 #pragma ident	"%Z%%M%	%I%	%E% SMI"
28 
29 #include "libscf_impl.h"
30 
31 #include <libuutil.h>
32 #include <stdio.h>
33 #include <strings.h>
34 #include <string.h>
35 #include <stdlib.h>
36 #include "midlevel_impl.h"
37 
38 
39 #ifndef NDEBUG
40 #define	bad_error(func, err)	{					\
41 	uu_warn("%s:%d: %s failed with unexpected error %d.  Aborting.\n", \
42 	    __FILE__, __LINE__, func, err);				\
43 	abort();							\
44 }
45 #else
46 #define	bad_error(func, err)	abort()
47 #endif
48 
49 /*
50  * Internal private function that creates and binds a handle.
51  */
52 static scf_handle_t *
53 handle_create(void)
54 {
55 	scf_handle_t *h;
56 
57 	h = scf_handle_create(SCF_VERSION);
58 	if (h == NULL)
59 		return (NULL);
60 
61 	if (scf_handle_bind(h) == -1) {
62 		scf_handle_destroy(h);
63 		return (NULL);
64 	}
65 	return (h);
66 }
67 
68 /*
69  * Given a base service FMRI and the names of a property group and property,
70  * assemble_fmri() merges them into a property FMRI.  Note that if the base
71  * FMRI is NULL, assemble_fmri() gets the base FMRI from scf_myname().
72  */
73 
74 static char *
75 assemble_fmri(scf_handle_t *h, const char *base, const char *pg,
76     const char *prop)
77 {
78 	size_t	fmri_sz, pglen;
79 	ssize_t baselen;
80 	char	*fmri_buf;
81 
82 	if (prop == NULL) {
83 		(void) scf_set_error(SCF_ERROR_INVALID_ARGUMENT);
84 		return (NULL);
85 	}
86 
87 	if (pg == NULL)
88 		pglen = strlen(SCF_PG_APP_DEFAULT);
89 	else
90 		pglen = strlen(pg);
91 
92 	if (base == NULL) {
93 		if ((baselen = scf_myname(h, NULL, 0)) == -1)
94 			return (NULL);
95 	} else {
96 		baselen = strlen(base);
97 	}
98 
99 	fmri_sz = baselen + sizeof (SCF_FMRI_PROPERTYGRP_PREFIX) - 1 +
100 	    pglen + sizeof (SCF_FMRI_PROPERTY_PREFIX) - 1 +
101 	    strlen(prop) + 1;
102 
103 	if ((fmri_buf = malloc(fmri_sz)) == NULL) {
104 		(void) scf_set_error(SCF_ERROR_NO_MEMORY);
105 		return (NULL);
106 	}
107 
108 	if (base == NULL) {
109 		if (scf_myname(h, fmri_buf, fmri_sz) == -1) {
110 			free(fmri_buf);
111 			return (NULL);
112 		}
113 	} else {
114 		(void) strcpy(fmri_buf, base);
115 	}
116 
117 	(void) strcat(fmri_buf, SCF_FMRI_PROPERTYGRP_PREFIX);
118 
119 	if (pg == NULL)
120 		(void) strcat(fmri_buf, SCF_PG_APP_DEFAULT);
121 	else
122 		(void) strcat(fmri_buf, pg);
123 
124 	(void) strcat(fmri_buf, SCF_FMRI_PROPERTY_PREFIX);
125 	(void) strcat(fmri_buf, prop);
126 	return (fmri_buf);
127 }
128 
129 /*
130  * Given a property, this function allocates and fills an scf_simple_prop_t
131  * with the data it contains.
132  */
133 
134 static scf_simple_prop_t *
135 fill_prop(scf_property_t *prop, const char *pgname, const char *propname,
136     scf_handle_t *h)
137 {
138 	scf_simple_prop_t 		*ret;
139 	scf_iter_t 			*iter;
140 	scf_value_t 			*val;
141 	int 				iterret, i;
142 	ssize_t 			valsize, numvals;
143 	union scf_simple_prop_val 	*vallist = NULL, *vallist_backup = NULL;
144 
145 	if ((ret = malloc(sizeof (*ret))) == NULL) {
146 		(void) scf_set_error(SCF_ERROR_NO_MEMORY);
147 		return (NULL);
148 	}
149 
150 	ret->pr_next = NULL;
151 	ret->pr_pg = NULL;
152 	ret->pr_iter = 0;
153 
154 	if (pgname == NULL)
155 		ret->pr_pgname = strdup(SCF_PG_APP_DEFAULT);
156 	else
157 		ret->pr_pgname = strdup(pgname);
158 
159 	if (ret->pr_pgname == NULL) {
160 		(void) scf_set_error(SCF_ERROR_NO_MEMORY);
161 		free(ret);
162 		return (NULL);
163 	}
164 
165 	if ((ret->pr_propname = strdup(propname)) == NULL) {
166 		(void) scf_set_error(SCF_ERROR_NO_MEMORY);
167 		free(ret->pr_pgname);
168 		free(ret);
169 		return (NULL);
170 	}
171 
172 	if (scf_property_type(prop, &ret->pr_type) == -1)
173 		goto error3;
174 
175 	if ((iter = scf_iter_create(h)) == NULL)
176 		goto error3;
177 	if ((val = scf_value_create(h)) == NULL) {
178 		scf_iter_destroy(iter);
179 		goto error3;
180 	}
181 
182 	if (scf_iter_property_values(iter, prop) == -1)
183 		goto error1;
184 
185 	for (numvals = 0; (iterret = scf_iter_next_value(iter, val)) == 1;
186 	    numvals++) {
187 		vallist_backup = vallist;
188 		if ((vallist = realloc(vallist, (numvals + 1) *
189 		    sizeof (*vallist))) == NULL) {
190 			vallist = vallist_backup;
191 			goto error1;
192 		}
193 
194 		switch (ret->pr_type) {
195 		case SCF_TYPE_BOOLEAN:
196 			if (scf_value_get_boolean(val,
197 			    &vallist[numvals].pv_bool) == -1)
198 				goto error1;
199 			break;
200 
201 		case SCF_TYPE_COUNT:
202 			if (scf_value_get_count(val,
203 			    &vallist[numvals].pv_uint) == -1)
204 				goto error1;
205 			break;
206 
207 		case SCF_TYPE_INTEGER:
208 			if (scf_value_get_integer(val,
209 			    &vallist[numvals].pv_int) == -1)
210 				goto error1;
211 			break;
212 
213 		case SCF_TYPE_TIME:
214 			if (scf_value_get_time(val,
215 			    &vallist[numvals].pv_time.t_sec,
216 			    &vallist[numvals].pv_time.t_nsec) == -1)
217 				goto error1;
218 			break;
219 
220 		case SCF_TYPE_ASTRING:
221 			vallist[numvals].pv_str = NULL;
222 			if ((valsize = scf_value_get_astring(val, NULL, 0)) ==
223 			    -1)
224 				goto error1;
225 			if ((vallist[numvals].pv_str = malloc(valsize+1)) ==
226 			    NULL) {
227 				(void) scf_set_error(SCF_ERROR_NO_MEMORY);
228 				goto error1;
229 			}
230 			if (scf_value_get_astring(val,
231 			    vallist[numvals].pv_str, valsize+1) == -1) {
232 				free(vallist[numvals].pv_str);
233 				goto error1;
234 			}
235 			break;
236 
237 		case SCF_TYPE_USTRING:
238 		case SCF_TYPE_HOST:
239 		case SCF_TYPE_HOSTNAME:
240 		case SCF_TYPE_NET_ADDR_V4:
241 		case SCF_TYPE_NET_ADDR_V6:
242 		case SCF_TYPE_URI:
243 		case SCF_TYPE_FMRI:
244 			vallist[numvals].pv_str = NULL;
245 			if ((valsize = scf_value_get_ustring(val, NULL, 0)) ==
246 			    -1)
247 				goto error1;
248 			if ((vallist[numvals].pv_str = malloc(valsize+1)) ==
249 			    NULL) {
250 				(void) scf_set_error(SCF_ERROR_NO_MEMORY);
251 				goto error1;
252 			}
253 			if (scf_value_get_ustring(val,
254 			    vallist[numvals].pv_str, valsize+1) == -1) {
255 				free(vallist[numvals].pv_str);
256 				goto error1;
257 			}
258 			break;
259 
260 		case SCF_TYPE_OPAQUE:
261 			vallist[numvals].pv_opaque.o_value = NULL;
262 			if ((valsize = scf_value_get_opaque(val, NULL, 0)) ==
263 			    -1)
264 				goto error1;
265 			if ((vallist[numvals].pv_opaque.o_value =
266 			    malloc(valsize)) == NULL) {
267 				(void) scf_set_error(SCF_ERROR_NO_MEMORY);
268 				goto error1;
269 			}
270 			vallist[numvals].pv_opaque.o_size = valsize;
271 			if (scf_value_get_opaque(val,
272 			    vallist[numvals].pv_opaque.o_value,
273 			    valsize) == -1) {
274 				free(vallist[numvals].pv_opaque.o_value);
275 				goto error1;
276 			}
277 			break;
278 
279 		default:
280 			(void) scf_set_error(SCF_ERROR_INTERNAL);
281 			goto error1;
282 
283 		}
284 	}
285 
286 	if (iterret == -1) {
287 		if (scf_error() != SCF_ERROR_CONNECTION_BROKEN)
288 			(void) scf_set_error(SCF_ERROR_INTERNAL);
289 		goto error1;
290 	}
291 
292 	ret->pr_vallist = vallist;
293 	ret->pr_numvalues = numvals;
294 
295 	scf_iter_destroy(iter);
296 	(void) scf_value_destroy(val);
297 
298 	return (ret);
299 
300 	/*
301 	 * Exit point for a successful call.  Below this line are exit points
302 	 * for failures at various stages during the function.
303 	 */
304 
305 error1:
306 	if (vallist == NULL)
307 		goto error2;
308 
309 	switch (ret->pr_type) {
310 	case SCF_TYPE_ASTRING:
311 	case SCF_TYPE_USTRING:
312 	case SCF_TYPE_HOST:
313 	case SCF_TYPE_HOSTNAME:
314 	case SCF_TYPE_NET_ADDR_V4:
315 	case SCF_TYPE_NET_ADDR_V6:
316 	case SCF_TYPE_URI:
317 	case SCF_TYPE_FMRI: {
318 		for (i = 0; i < numvals; i++) {
319 			free(vallist[i].pv_str);
320 		}
321 		break;
322 	}
323 	case SCF_TYPE_OPAQUE: {
324 		for (i = 0; i < numvals; i++) {
325 			free(vallist[i].pv_opaque.o_value);
326 		}
327 		break;
328 	}
329 	default:
330 		break;
331 	}
332 
333 	free(vallist);
334 
335 error2:
336 	scf_iter_destroy(iter);
337 	(void) scf_value_destroy(val);
338 
339 error3:
340 	free(ret->pr_pgname);
341 	free(ret->pr_propname);
342 	free(ret);
343 	return (NULL);
344 }
345 
346 /*
347  * insert_app_props iterates over a property iterator, getting all the
348  * properties from a property group, and adding or overwriting them into
349  * a simple_app_props_t.  This is used by scf_simple_app_props_get to provide
350  * service/instance composition while filling the app_props_t.
351  * insert_app_props iterates over a single property group.
352  */
353 
354 static int
355 insert_app_props(scf_iter_t *propiter, char *pgname, char *propname, struct
356     scf_simple_pg *thispg, scf_property_t *prop, size_t namelen,
357     scf_handle_t *h)
358 {
359 	scf_simple_prop_t	*thisprop, *prevprop, *newprop;
360 	uint8_t			found;
361 	int			propiter_ret;
362 
363 	while ((propiter_ret = scf_iter_next_property(propiter, prop)) == 1) {
364 
365 		if (scf_property_get_name(prop, propname, namelen) < 0) {
366 			if (scf_error() == SCF_ERROR_NOT_SET)
367 				(void) scf_set_error(SCF_ERROR_INTERNAL);
368 			return (-1);
369 		}
370 
371 		thisprop = thispg->pg_proplist;
372 		prevprop = thispg->pg_proplist;
373 		found = 0;
374 
375 		while ((thisprop != NULL) && (!found)) {
376 			if (strcmp(thisprop->pr_propname, propname) == 0) {
377 				found = 1;
378 				if ((newprop = fill_prop(prop, pgname,
379 				    propname, h)) == NULL)
380 					return (-1);
381 
382 				if (thisprop == thispg->pg_proplist)
383 					thispg->pg_proplist = newprop;
384 				else
385 					prevprop->pr_next = newprop;
386 
387 				newprop->pr_pg = thispg;
388 				newprop->pr_next = thisprop->pr_next;
389 				scf_simple_prop_free(thisprop);
390 				thisprop = NULL;
391 			} else {
392 				if (thisprop != thispg->pg_proplist)
393 					prevprop = prevprop->pr_next;
394 				thisprop = thisprop->pr_next;
395 			}
396 		}
397 
398 		if (!found) {
399 			if ((newprop = fill_prop(prop, pgname, propname, h)) ==
400 			    NULL)
401 				return (-1);
402 
403 			if (thispg->pg_proplist == NULL)
404 				thispg->pg_proplist = newprop;
405 			else
406 				prevprop->pr_next = newprop;
407 
408 			newprop->pr_pg = thispg;
409 		}
410 	}
411 
412 	if (propiter_ret == -1) {
413 		if (scf_error() != SCF_ERROR_CONNECTION_BROKEN)
414 			(void) scf_set_error(SCF_ERROR_INTERNAL);
415 		return (-1);
416 	}
417 
418 	return (0);
419 }
420 
421 
422 /*
423  * Sets up e in tx to set pname's values.  Returns 0 on success or -1 on
424  * failure, with scf_error() set to
425  *   SCF_ERROR_HANDLE_MISMATCH - tx & e are derived from different handles
426  *   SCF_ERROR_INVALID_ARGUMENT - pname or ty are invalid
427  *   SCF_ERROR_NOT_BOUND - handle is not bound
428  *   SCF_ERROR_CONNECTION_BROKEN - connection was broken
429  *   SCF_ERROR_NOT_SET - tx has not been started
430  *   SCF_ERROR_DELETED - the pg tx was started on was deleted
431  */
432 static int
433 transaction_property_set(scf_transaction_t *tx, scf_transaction_entry_t *e,
434     const char *pname, scf_type_t ty)
435 {
436 	for (;;) {
437 		if (scf_transaction_property_change_type(tx, e, pname, ty) == 0)
438 			return (0);
439 
440 		switch (scf_error()) {
441 		case SCF_ERROR_HANDLE_MISMATCH:
442 		case SCF_ERROR_INVALID_ARGUMENT:
443 		case SCF_ERROR_NOT_BOUND:
444 		case SCF_ERROR_CONNECTION_BROKEN:
445 		case SCF_ERROR_NOT_SET:
446 		case SCF_ERROR_DELETED:
447 		default:
448 			return (-1);
449 
450 		case SCF_ERROR_NOT_FOUND:
451 			break;
452 		}
453 
454 		if (scf_transaction_property_new(tx, e, pname, ty) == 0)
455 			return (0);
456 
457 		switch (scf_error()) {
458 		case SCF_ERROR_HANDLE_MISMATCH:
459 		case SCF_ERROR_INVALID_ARGUMENT:
460 		case SCF_ERROR_NOT_BOUND:
461 		case SCF_ERROR_CONNECTION_BROKEN:
462 		case SCF_ERROR_NOT_SET:
463 		case SCF_ERROR_DELETED:
464 		default:
465 			return (-1);
466 
467 		case SCF_ERROR_EXISTS:
468 			break;
469 		}
470 	}
471 }
472 
473 static int
474 get_inst_enabled(const scf_instance_t *inst, const char *pgname)
475 {
476 	scf_propertygroup_t 	*gpg = NULL;
477 	scf_property_t 		*eprop = NULL;
478 	scf_value_t 		*v = NULL;
479 	scf_handle_t		*h = NULL;
480 	uint8_t			enabled;
481 	int			ret = -1;
482 
483 	if ((h = scf_instance_handle(inst)) == NULL)
484 		return (-1);
485 
486 	if ((gpg = scf_pg_create(h)) == NULL ||
487 	    (eprop = scf_property_create(h)) == NULL ||
488 	    (v = scf_value_create(h)) == NULL)
489 		goto out;
490 
491 	if (scf_instance_get_pg(inst, pgname, gpg) ||
492 	    scf_pg_get_property(gpg, SCF_PROPERTY_ENABLED, eprop) ||
493 	    scf_property_get_value(eprop, v) ||
494 	    scf_value_get_boolean(v, &enabled))
495 		goto out;
496 	ret = enabled;
497 
498 out:
499 	scf_pg_destroy(gpg);
500 	scf_property_destroy(eprop);
501 	scf_value_destroy(v);
502 	return (ret);
503 }
504 
505 /*
506  * set_inst_enabled() is a "master" enable/disable call that takes the
507  * instance and the desired state for the enabled bit in the instance's
508  * named property group.  If the group doesn't exist, it's created with the
509  * given flags.  Called by smf_{dis,en}able_instance().
510  */
511 static int
512 set_inst_enabled(const scf_instance_t *inst, uint8_t desired,
513     const char *pgname, uint32_t pgflags)
514 {
515 	scf_transaction_t 	*tx = NULL;
516 	scf_transaction_entry_t *ent = NULL;
517 	scf_propertygroup_t 	*gpg = NULL;
518 	scf_property_t 		*eprop = NULL;
519 	scf_value_t 		*v = NULL;
520 	scf_handle_t		*h = NULL;
521 	int 			ret = -1;
522 	int			committed;
523 	uint8_t			b;
524 
525 	if ((h = scf_instance_handle(inst)) == NULL)
526 		return (-1);
527 
528 	if ((gpg = scf_pg_create(h)) == NULL ||
529 	    (eprop = scf_property_create(h)) == NULL ||
530 	    (v = scf_value_create(h)) == NULL ||
531 	    (tx = scf_transaction_create(h)) == NULL ||
532 	    (ent = scf_entry_create(h)) == NULL)
533 		goto out;
534 
535 get:
536 	if (scf_instance_get_pg(inst, pgname, gpg) == -1) {
537 		if (scf_error() != SCF_ERROR_NOT_FOUND)
538 			goto out;
539 
540 		if (scf_instance_add_pg(inst, pgname, SCF_GROUP_FRAMEWORK,
541 		    pgflags, gpg) == -1) {
542 			if (scf_error() != SCF_ERROR_EXISTS)
543 				goto out;
544 			goto get;
545 		}
546 	}
547 	if (scf_pg_get_property(gpg, SCF_PROPERTY_ENABLED, eprop) == -1) {
548 		if (scf_error() != SCF_ERROR_NOT_FOUND)
549 			goto out;
550 		else
551 			goto set;
552 	}
553 
554 	/*
555 	 * If it's already set the way we want, forgo the transaction.
556 	 */
557 	if (scf_property_get_value(eprop, v) == -1) {
558 		switch (scf_error()) {
559 		case SCF_ERROR_CONSTRAINT_VIOLATED:
560 		case SCF_ERROR_NOT_FOUND:
561 			/* Misconfigured, so set anyway. */
562 			goto set;
563 
564 		default:
565 			goto out;
566 		}
567 	}
568 	if (scf_value_get_boolean(v, &b) == -1) {
569 		if (scf_error() != SCF_ERROR_TYPE_MISMATCH)
570 			goto out;
571 		goto set;
572 	}
573 	if (b == desired) {
574 		ret = 0;
575 		goto out;
576 	}
577 
578 set:
579 	do {
580 		if (scf_transaction_start(tx, gpg) == -1)
581 			goto out;
582 
583 		if (transaction_property_set(tx, ent, SCF_PROPERTY_ENABLED,
584 		    SCF_TYPE_BOOLEAN) != 0) {
585 			switch (scf_error()) {
586 			case SCF_ERROR_CONNECTION_BROKEN:
587 			case SCF_ERROR_DELETED:
588 			default:
589 				goto out;
590 
591 			case SCF_ERROR_HANDLE_MISMATCH:
592 			case SCF_ERROR_INVALID_ARGUMENT:
593 			case SCF_ERROR_NOT_BOUND:
594 			case SCF_ERROR_NOT_SET:
595 				bad_error("transaction_property_set",
596 				    scf_error());
597 			}
598 		}
599 
600 		scf_value_set_boolean(v, desired);
601 		if (scf_entry_add_value(ent, v) == -1)
602 			goto out;
603 
604 		committed = scf_transaction_commit(tx);
605 		if (committed == -1)
606 			goto out;
607 
608 		scf_transaction_reset(tx);
609 
610 		if (committed == 0) { /* out-of-sync */
611 			if (scf_pg_update(gpg) == -1)
612 				goto out;
613 		}
614 	} while (committed == 0);
615 
616 	ret = 0;
617 
618 out:
619 	scf_value_destroy(v);
620 	scf_entry_destroy(ent);
621 	scf_transaction_destroy(tx);
622 	scf_property_destroy(eprop);
623 	scf_pg_destroy(gpg);
624 
625 	return (ret);
626 }
627 
628 static int
629 delete_inst_enabled(const scf_instance_t *inst, const char *pgname)
630 {
631 	scf_transaction_t 	*tx = NULL;
632 	scf_transaction_entry_t *ent = NULL;
633 	scf_propertygroup_t 	*gpg = NULL;
634 	scf_handle_t		*h = NULL;
635 	int			ret = -1;
636 	int			committed;
637 
638 	if ((h = scf_instance_handle(inst)) == NULL)
639 		return (-1);
640 
641 	if ((gpg = scf_pg_create(h)) == NULL ||
642 	    (tx = scf_transaction_create(h)) == NULL ||
643 	    (ent = scf_entry_create(h)) == NULL)
644 		goto out;
645 
646 	if (scf_instance_get_pg(inst, pgname, gpg) != 0)
647 		goto error;
648 	do {
649 		if (scf_transaction_start(tx, gpg) == -1 ||
650 		    scf_transaction_property_delete(tx, ent,
651 		    SCF_PROPERTY_ENABLED) == -1 ||
652 		    (committed = scf_transaction_commit(tx)) == -1)
653 			goto error;
654 
655 		scf_transaction_reset(tx);
656 
657 		if (committed == 0 && scf_pg_update(gpg) == -1)
658 			goto error;
659 	} while (committed == 0);
660 
661 	ret = 0;
662 	goto out;
663 
664 error:
665 	switch (scf_error()) {
666 	case SCF_ERROR_DELETED:
667 	case SCF_ERROR_NOT_FOUND:
668 		/* success */
669 		ret = 0;
670 	}
671 
672 out:
673 	scf_entry_destroy(ent);
674 	scf_transaction_destroy(tx);
675 	scf_pg_destroy(gpg);
676 
677 	return (ret);
678 }
679 
680 /*
681  * Returns 0 on success or -1 on failure.  On failure leaves scf_error() set to
682  *   SCF_ERROR_HANDLE_DESTROYED - inst's handle has been destroyed
683  *   SCF_ERROR_NOT_BOUND - inst's handle is not bound
684  *   SCF_ERROR_CONNECTION_BROKEN - the repository connection was broken
685  *   SCF_ERROR_NOT_SET - inst is not set
686  *   SCF_ERROR_DELETED - inst was deleted
687  *   SCF_ERROR_PERMISSION_DENIED
688  *   SCF_ERROR_BACKEND_ACCESS
689  *   SCF_ERROR_BACKEND_READONLY
690  */
691 static int
692 set_inst_action_inst(scf_instance_t *inst, const char *action)
693 {
694 	scf_handle_t			*h;
695 	scf_transaction_t		*tx = NULL;
696 	scf_transaction_entry_t		*ent = NULL;
697 	scf_propertygroup_t		*pg = NULL;
698 	scf_property_t			*prop = NULL;
699 	scf_value_t			*v = NULL;
700 	int				trans, ret = -1;
701 	int64_t				t;
702 	hrtime_t			timestamp;
703 
704 	if ((h = scf_instance_handle(inst)) == NULL ||
705 	    (pg = scf_pg_create(h)) == NULL ||
706 	    (prop = scf_property_create(h)) == NULL ||
707 	    (v = scf_value_create(h)) == NULL ||
708 	    (tx = scf_transaction_create(h)) == NULL ||
709 	    (ent = scf_entry_create(h)) == NULL)
710 		goto out;
711 
712 get:
713 	if (scf_instance_get_pg(inst, SCF_PG_RESTARTER_ACTIONS, pg) == -1) {
714 		switch (scf_error()) {
715 		case SCF_ERROR_NOT_BOUND:
716 		case SCF_ERROR_CONNECTION_BROKEN:
717 		case SCF_ERROR_NOT_SET:
718 		case SCF_ERROR_DELETED:
719 		default:
720 			goto out;
721 
722 		case SCF_ERROR_NOT_FOUND:
723 			break;
724 
725 		case SCF_ERROR_HANDLE_MISMATCH:
726 		case SCF_ERROR_INVALID_ARGUMENT:
727 			bad_error("scf_instance_get_pg", scf_error());
728 		}
729 
730 		/* Try creating the restarter_actions property group. */
731 add:
732 		if (scf_instance_add_pg(inst, SCF_PG_RESTARTER_ACTIONS,
733 		    SCF_PG_RESTARTER_ACTIONS_TYPE,
734 		    SCF_PG_RESTARTER_ACTIONS_FLAGS, pg) == -1) {
735 			switch (scf_error()) {
736 			case SCF_ERROR_NOT_BOUND:
737 			case SCF_ERROR_CONNECTION_BROKEN:
738 			case SCF_ERROR_NOT_SET:
739 			case SCF_ERROR_DELETED:
740 			case SCF_ERROR_PERMISSION_DENIED:
741 			case SCF_ERROR_BACKEND_ACCESS:
742 			case SCF_ERROR_BACKEND_READONLY:
743 			default:
744 				goto out;
745 
746 			case SCF_ERROR_EXISTS:
747 				goto get;
748 
749 			case SCF_ERROR_HANDLE_MISMATCH:
750 			case SCF_ERROR_INVALID_ARGUMENT:
751 				bad_error("scf_instance_add_pg", scf_error());
752 			}
753 		}
754 	}
755 
756 	for (;;) {
757 		timestamp = gethrtime();
758 
759 		if (scf_pg_get_property(pg, action, prop) != 0) {
760 			switch (scf_error()) {
761 			case SCF_ERROR_CONNECTION_BROKEN:
762 			default:
763 				goto out;
764 
765 			case SCF_ERROR_DELETED:
766 				goto add;
767 
768 			case SCF_ERROR_NOT_FOUND:
769 				break;
770 
771 			case SCF_ERROR_HANDLE_MISMATCH:
772 			case SCF_ERROR_INVALID_ARGUMENT:
773 			case SCF_ERROR_NOT_BOUND:
774 			case SCF_ERROR_NOT_SET:
775 				bad_error("scf_pg_get_property", scf_error());
776 			}
777 		} else if (scf_property_get_value(prop, v) != 0) {
778 			switch (scf_error()) {
779 			case SCF_ERROR_CONNECTION_BROKEN:
780 			default:
781 				goto out;
782 
783 			case SCF_ERROR_DELETED:
784 				goto add;
785 
786 			case SCF_ERROR_CONSTRAINT_VIOLATED:
787 			case SCF_ERROR_NOT_FOUND:
788 				break;
789 
790 			case SCF_ERROR_HANDLE_MISMATCH:
791 			case SCF_ERROR_NOT_BOUND:
792 			case SCF_ERROR_NOT_SET:
793 				bad_error("scf_property_get_value",
794 				    scf_error());
795 			}
796 		} else if (scf_value_get_integer(v, &t) != 0) {
797 			bad_error("scf_value_get_integer", scf_error());
798 		} else if (t > timestamp) {
799 			break;
800 		}
801 
802 		if (scf_transaction_start(tx, pg) == -1) {
803 			switch (scf_error()) {
804 			case SCF_ERROR_NOT_BOUND:
805 			case SCF_ERROR_CONNECTION_BROKEN:
806 			case SCF_ERROR_PERMISSION_DENIED:
807 			case SCF_ERROR_BACKEND_ACCESS:
808 			case SCF_ERROR_BACKEND_READONLY:
809 			default:
810 				goto out;
811 
812 			case SCF_ERROR_DELETED:
813 				goto add;
814 
815 			case SCF_ERROR_HANDLE_MISMATCH:
816 			case SCF_ERROR_NOT_SET:
817 			case SCF_ERROR_IN_USE:
818 				bad_error("scf_transaction_start", scf_error());
819 			}
820 		}
821 
822 		if (transaction_property_set(tx, ent, action,
823 		    SCF_TYPE_INTEGER) != 0) {
824 			switch (scf_error()) {
825 			case SCF_ERROR_NOT_BOUND:
826 			case SCF_ERROR_CONNECTION_BROKEN:
827 			case SCF_ERROR_DELETED:
828 			default:
829 				goto out;
830 
831 			case SCF_ERROR_HANDLE_MISMATCH:
832 			case SCF_ERROR_INVALID_ARGUMENT:
833 			case SCF_ERROR_NOT_SET:
834 				bad_error("transaction_property_set",
835 				    scf_error());
836 			}
837 		}
838 
839 		scf_value_set_integer(v, timestamp);
840 		if (scf_entry_add_value(ent, v) == -1)
841 			bad_error("scf_entry_add_value", scf_error());
842 
843 		trans = scf_transaction_commit(tx);
844 		if (trans == 1)
845 			break;
846 
847 		if (trans != 0) {
848 			switch (scf_error()) {
849 			case SCF_ERROR_CONNECTION_BROKEN:
850 			case SCF_ERROR_PERMISSION_DENIED:
851 			case SCF_ERROR_BACKEND_ACCESS:
852 			case SCF_ERROR_BACKEND_READONLY:
853 			default:
854 				goto out;
855 
856 			case SCF_ERROR_DELETED:
857 				scf_transaction_reset(tx);
858 				goto add;
859 
860 			case SCF_ERROR_INVALID_ARGUMENT:
861 			case SCF_ERROR_NOT_BOUND:
862 			case SCF_ERROR_NOT_SET:
863 				bad_error("scf_transaction_commit",
864 				    scf_error());
865 			}
866 		}
867 
868 		scf_transaction_reset(tx);
869 		if (scf_pg_update(pg) != 0) {
870 			switch (scf_error()) {
871 			case SCF_ERROR_CONNECTION_BROKEN:
872 			default:
873 				goto out;
874 
875 			case SCF_ERROR_DELETED:
876 				goto add;
877 
878 			case SCF_ERROR_NOT_SET:
879 			case SCF_ERROR_NOT_BOUND:
880 				bad_error("scf_pg_update", scf_error());
881 			}
882 		}
883 	}
884 
885 	ret = 0;
886 
887 out:
888 	scf_value_destroy(v);
889 	scf_entry_destroy(ent);
890 	scf_transaction_destroy(tx);
891 	scf_property_destroy(prop);
892 	scf_pg_destroy(pg);
893 	return (ret);
894 }
895 
896 static int
897 set_inst_action(const char *fmri, const char *action)
898 {
899 	scf_handle_t *h;
900 	scf_instance_t *inst;
901 	int ret = -1;
902 
903 	h = handle_create();
904 	if (h == NULL)
905 		return (-1);
906 
907 	inst = scf_instance_create(h);
908 
909 	if (inst != NULL) {
910 		if (scf_handle_decode_fmri(h, fmri, NULL, NULL, inst, NULL,
911 		    NULL, SCF_DECODE_FMRI_EXACT) == 0)
912 			ret = set_inst_action_inst(inst, action);
913 		else if (scf_error() == SCF_ERROR_CONSTRAINT_VIOLATED)
914 			(void) scf_set_error(SCF_ERROR_INVALID_ARGUMENT);
915 
916 		scf_instance_destroy(inst);
917 	}
918 
919 	scf_handle_destroy(h);
920 
921 	return (ret);
922 }
923 
924 
925 /*
926  * get_inst_state() gets the state string from an instance, and returns
927  * the SCF_STATE_* constant that coincides with the instance's current state.
928  */
929 
930 static int
931 get_inst_state(scf_instance_t *inst, scf_handle_t *h)
932 {
933 	scf_propertygroup_t	*pg = NULL;
934 	scf_property_t		*prop = NULL;
935 	scf_value_t		*val = NULL;
936 	char			state[MAX_SCF_STATE_STRING_SZ];
937 	int			ret = -1;
938 
939 	if (((pg = scf_pg_create(h)) == NULL) ||
940 	    ((prop = scf_property_create(h)) == NULL) ||
941 	    ((val = scf_value_create(h)) == NULL))
942 		goto out;
943 
944 	/* Pull the state property from the instance */
945 
946 	if (scf_instance_get_pg(inst, SCF_PG_RESTARTER, pg) == -1 ||
947 	    scf_pg_get_property(pg, SCF_PROPERTY_STATE, prop) == -1 ||
948 	    scf_property_get_value(prop, val) == -1) {
949 		if (scf_error() != SCF_ERROR_CONNECTION_BROKEN)
950 			(void) scf_set_error(SCF_ERROR_INTERNAL);
951 		goto out;
952 	}
953 
954 	if (scf_value_get_astring(val, state, sizeof (state)) <= 0) {
955 		(void) scf_set_error(SCF_ERROR_INTERNAL);
956 		goto out;
957 	}
958 
959 	if (strcmp(state, SCF_STATE_STRING_UNINIT) == 0) {
960 		ret = SCF_STATE_UNINIT;
961 	} else if (strcmp(state, SCF_STATE_STRING_MAINT) == 0) {
962 		ret = SCF_STATE_MAINT;
963 	} else if (strcmp(state, SCF_STATE_STRING_OFFLINE) == 0) {
964 		ret = SCF_STATE_OFFLINE;
965 	} else if (strcmp(state, SCF_STATE_STRING_DISABLED) == 0) {
966 		ret = SCF_STATE_DISABLED;
967 	} else if (strcmp(state, SCF_STATE_STRING_ONLINE) == 0) {
968 		ret = SCF_STATE_ONLINE;
969 	} else if (strcmp(state, SCF_STATE_STRING_DEGRADED) == 0) {
970 		ret = SCF_STATE_DEGRADED;
971 	}
972 
973 out:
974 	scf_pg_destroy(pg);
975 	scf_property_destroy(prop);
976 	(void) scf_value_destroy(val);
977 
978 	return (ret);
979 }
980 
981 /*
982  * Sets an instance to be enabled or disabled after reboot, using the
983  * temporary (overriding) general_ovr property group to reflect the
984  * present state, if it is different.
985  */
986 static int
987 set_inst_enabled_atboot(scf_instance_t *inst, uint8_t desired)
988 {
989 	int enabled;
990 	int persistent;
991 	int ret = -1;
992 
993 	if ((persistent = get_inst_enabled(inst, SCF_PG_GENERAL)) < 0) {
994 		if (scf_error() != SCF_ERROR_NOT_FOUND)
995 			goto out;
996 		persistent = B_FALSE;
997 	}
998 	if ((enabled = get_inst_enabled(inst, SCF_PG_GENERAL_OVR)) < 0) {
999 		enabled = persistent;
1000 		if (persistent != desired) {
1001 			/*
1002 			 * Temporarily store the present enabled state.
1003 			 */
1004 			if (set_inst_enabled(inst, persistent,
1005 			    SCF_PG_GENERAL_OVR, SCF_PG_GENERAL_OVR_FLAGS))
1006 				goto out;
1007 		}
1008 	}
1009 	if (persistent != desired)
1010 		if (set_inst_enabled(inst, desired, SCF_PG_GENERAL,
1011 		    SCF_PG_GENERAL_FLAGS))
1012 			goto out;
1013 	if (enabled == desired)
1014 		ret = delete_inst_enabled(inst, SCF_PG_GENERAL_OVR);
1015 	else
1016 		ret = 0;
1017 
1018 out:
1019 	return (ret);
1020 }
1021 
1022 static int
1023 set_inst_enabled_flags(const char *fmri, int flags, uint8_t desired)
1024 {
1025 	int ret = -1;
1026 	scf_handle_t *h;
1027 	scf_instance_t *inst;
1028 
1029 	if (flags & ~(SMF_TEMPORARY | SMF_AT_NEXT_BOOT) ||
1030 	    flags & SMF_TEMPORARY && flags & SMF_AT_NEXT_BOOT) {
1031 		(void) scf_set_error(SCF_ERROR_INVALID_ARGUMENT);
1032 		return (ret);
1033 	}
1034 
1035 	if ((h = handle_create()) == NULL)
1036 		return (ret);
1037 
1038 	if ((inst = scf_instance_create(h)) == NULL) {
1039 		scf_handle_destroy(h);
1040 		return (ret);
1041 	}
1042 
1043 	if (scf_handle_decode_fmri(h, fmri, NULL, NULL, inst, NULL, NULL,
1044 	    SCF_DECODE_FMRI_EXACT) == -1) {
1045 		if (scf_error() == SCF_ERROR_CONSTRAINT_VIOLATED)
1046 			(void) scf_set_error(SCF_ERROR_INVALID_ARGUMENT);
1047 		goto out;
1048 	}
1049 
1050 	if (flags & SMF_AT_NEXT_BOOT) {
1051 		ret = set_inst_enabled_atboot(inst, desired);
1052 	} else {
1053 		if (set_inst_enabled(inst, desired, flags & SMF_TEMPORARY ?
1054 		    SCF_PG_GENERAL_OVR : SCF_PG_GENERAL, flags & SMF_TEMPORARY ?
1055 		    SCF_PG_GENERAL_OVR_FLAGS : SCF_PG_GENERAL_FLAGS))
1056 			goto out;
1057 
1058 		/*
1059 		 * Make the persistent value effective by deleting the
1060 		 * temporary one.
1061 		 */
1062 		if (flags & SMF_TEMPORARY)
1063 			ret = 0;
1064 		else
1065 			ret = delete_inst_enabled(inst, SCF_PG_GENERAL_OVR);
1066 	}
1067 
1068 out:
1069 	scf_instance_destroy(inst);
1070 	scf_handle_destroy(h);
1071 	return (ret);
1072 }
1073 
1074 int
1075 smf_enable_instance(const char *fmri, int flags)
1076 {
1077 	return (set_inst_enabled_flags(fmri, flags, B_TRUE));
1078 }
1079 
1080 int
1081 smf_disable_instance(const char *fmri, int flags)
1082 {
1083 	return (set_inst_enabled_flags(fmri, flags, B_FALSE));
1084 }
1085 
1086 int
1087 _smf_refresh_instance_i(scf_instance_t *inst)
1088 {
1089 	return (set_inst_action_inst(inst, SCF_PROPERTY_REFRESH));
1090 }
1091 
1092 int
1093 smf_refresh_instance(const char *instance)
1094 {
1095 	return (set_inst_action(instance, SCF_PROPERTY_REFRESH));
1096 }
1097 
1098 int
1099 smf_restart_instance(const char *instance)
1100 {
1101 	return (set_inst_action(instance, SCF_PROPERTY_RESTART));
1102 }
1103 
1104 int
1105 smf_maintain_instance(const char *instance, int flags)
1106 {
1107 	if (flags & SMF_TEMPORARY)
1108 		return (set_inst_action(instance,
1109 		    (flags & SMF_IMMEDIATE) ?
1110 		    SCF_PROPERTY_MAINT_ON_IMMTEMP :
1111 		    SCF_PROPERTY_MAINT_ON_TEMPORARY));
1112 	else
1113 		return (set_inst_action(instance,
1114 		    (flags & SMF_IMMEDIATE) ?
1115 		    SCF_PROPERTY_MAINT_ON_IMMEDIATE :
1116 		    SCF_PROPERTY_MAINT_ON));
1117 }
1118 
1119 int
1120 smf_degrade_instance(const char *instance, int flags)
1121 {
1122 	scf_simple_prop_t		*prop;
1123 	const char			*state_str;
1124 
1125 	if (flags & SMF_TEMPORARY)
1126 		return (scf_set_error(SCF_ERROR_INVALID_ARGUMENT));
1127 
1128 	if ((prop = scf_simple_prop_get(NULL, instance, SCF_PG_RESTARTER,
1129 	    SCF_PROPERTY_STATE)) == NULL)
1130 		return (SCF_FAILED);
1131 
1132 	if ((state_str = scf_simple_prop_next_astring(prop)) == NULL) {
1133 		scf_simple_prop_free(prop);
1134 		return (SCF_FAILED);
1135 	}
1136 
1137 	if (strcmp(state_str, SCF_STATE_STRING_ONLINE) != 0) {
1138 		scf_simple_prop_free(prop);
1139 		return (scf_set_error(SCF_ERROR_CONSTRAINT_VIOLATED));
1140 	}
1141 	scf_simple_prop_free(prop);
1142 
1143 	return (set_inst_action(instance, (flags & SMF_IMMEDIATE) ?
1144 	    SCF_PROPERTY_DEGRADE_IMMEDIATE : SCF_PROPERTY_DEGRADED));
1145 }
1146 
1147 int
1148 smf_restore_instance(const char *instance)
1149 {
1150 	scf_simple_prop_t		*prop;
1151 	const char			*state_str;
1152 	int				ret;
1153 
1154 	if ((prop = scf_simple_prop_get(NULL, instance, SCF_PG_RESTARTER,
1155 	    SCF_PROPERTY_STATE)) == NULL)
1156 		return (SCF_FAILED);
1157 
1158 	if ((state_str = scf_simple_prop_next_astring(prop)) == NULL) {
1159 		scf_simple_prop_free(prop);
1160 		return (SCF_FAILED);
1161 	}
1162 
1163 	if (strcmp(state_str, SCF_STATE_STRING_MAINT) == 0) {
1164 		ret = set_inst_action(instance, SCF_PROPERTY_MAINT_OFF);
1165 	} else if (strcmp(state_str, SCF_STATE_STRING_DEGRADED) == 0) {
1166 		ret = set_inst_action(instance, SCF_PROPERTY_RESTORE);
1167 	} else {
1168 		ret = scf_set_error(SCF_ERROR_CONSTRAINT_VIOLATED);
1169 	}
1170 
1171 	scf_simple_prop_free(prop);
1172 	return (ret);
1173 }
1174 
1175 char *
1176 smf_get_state(const char *instance)
1177 {
1178 	scf_simple_prop_t		*prop;
1179 	const char			*state_str;
1180 	char				*ret;
1181 
1182 	if ((prop = scf_simple_prop_get(NULL, instance, SCF_PG_RESTARTER,
1183 	    SCF_PROPERTY_STATE)) == NULL)
1184 		return (NULL);
1185 
1186 	if ((state_str = scf_simple_prop_next_astring(prop)) == NULL) {
1187 		scf_simple_prop_free(prop);
1188 		return (NULL);
1189 	}
1190 
1191 	if ((ret = strdup(state_str)) == NULL)
1192 		(void) scf_set_error(SCF_ERROR_NO_MEMORY);
1193 
1194 	scf_simple_prop_free(prop);
1195 	return (ret);
1196 }
1197 
1198 int
1199 scf_simple_walk_instances(uint_t state_flags, void *private,
1200     int (*inst_callback)(scf_handle_t *, scf_instance_t *, void *))
1201 {
1202 	scf_scope_t 		*scope = NULL;
1203 	scf_service_t		*svc = NULL;
1204 	scf_instance_t		*inst = NULL;
1205 	scf_iter_t		*svc_iter = NULL, *inst_iter = NULL;
1206 	scf_handle_t		*h = NULL;
1207 	int			ret = SCF_FAILED;
1208 	int			svc_iter_ret, inst_iter_ret;
1209 	int			inst_state;
1210 
1211 	if ((h = handle_create()) == NULL)
1212 		return (ret);
1213 
1214 	if (((scope = scf_scope_create(h)) == NULL) ||
1215 	    ((svc = scf_service_create(h)) == NULL) ||
1216 	    ((inst = scf_instance_create(h)) == NULL) ||
1217 	    ((svc_iter = scf_iter_create(h)) == NULL) ||
1218 	    ((inst_iter = scf_iter_create(h)) == NULL))
1219 		goto out;
1220 
1221 	/*
1222 	 * Get the local scope, and set up nested iteration through every
1223 	 * local service, and every instance of every service.
1224 	 */
1225 
1226 	if ((scf_handle_get_local_scope(h, scope) != SCF_SUCCESS) ||
1227 	    (scf_iter_scope_services(svc_iter, scope) != SCF_SUCCESS))
1228 		goto out;
1229 
1230 	while ((svc_iter_ret = scf_iter_next_service(svc_iter, svc)) > 0) {
1231 
1232 		if ((scf_iter_service_instances(inst_iter, svc)) !=
1233 		    SCF_SUCCESS)
1234 			goto out;
1235 
1236 		while ((inst_iter_ret =
1237 		    scf_iter_next_instance(inst_iter, inst)) > 0) {
1238 			/*
1239 			 * If get_inst_state fails from an internal error,
1240 			 * IE, being unable to get the property group or
1241 			 * property containing the state of the instance,
1242 			 * we continue instead of failing, as this might just
1243 			 * be an improperly configured instance.
1244 			 */
1245 			if ((inst_state = get_inst_state(inst, h)) == -1) {
1246 				if (scf_error() == SCF_ERROR_INTERNAL) {
1247 					continue;
1248 				} else {
1249 					goto out;
1250 				}
1251 			}
1252 
1253 			if ((uint_t)inst_state & state_flags) {
1254 				if (inst_callback(h, inst, private) !=
1255 				    SCF_SUCCESS) {
1256 					(void) scf_set_error(
1257 					    SCF_ERROR_CALLBACK_FAILED);
1258 					goto out;
1259 				}
1260 			}
1261 		}
1262 
1263 		if (inst_iter_ret == -1)
1264 			goto out;
1265 		scf_iter_reset(inst_iter);
1266 	}
1267 
1268 	if (svc_iter_ret != -1)
1269 		ret = SCF_SUCCESS;
1270 
1271 out:
1272 	scf_scope_destroy(scope);
1273 	scf_service_destroy(svc);
1274 	scf_instance_destroy(inst);
1275 	scf_iter_destroy(svc_iter);
1276 	scf_iter_destroy(inst_iter);
1277 	scf_handle_destroy(h);
1278 
1279 	return (ret);
1280 }
1281 
1282 
1283 scf_simple_prop_t *
1284 scf_simple_prop_get(scf_handle_t *hin, const char *instance, const char *pgname,
1285 			const char *propname)
1286 {
1287 	char 			*fmri_buf, *svcfmri = NULL;
1288 	ssize_t 		fmri_sz;
1289 	scf_property_t 		*prop = NULL;
1290 	scf_service_t 		*svc = NULL;
1291 	scf_simple_prop_t 	*ret;
1292 	scf_handle_t		*h = NULL;
1293 	boolean_t		local_h = B_TRUE;
1294 
1295 	/* If the user passed in a handle, use it. */
1296 	if (hin != NULL) {
1297 		h = hin;
1298 		local_h = B_FALSE;
1299 	}
1300 
1301 	if (local_h && ((h = handle_create()) == NULL))
1302 		return (NULL);
1303 
1304 	if ((fmri_buf = assemble_fmri(h, instance, pgname, propname)) == NULL) {
1305 		if (local_h)
1306 			scf_handle_destroy(h);
1307 		return (NULL);
1308 	}
1309 
1310 	if ((svc = scf_service_create(h)) == NULL ||
1311 	    (prop = scf_property_create(h)) == NULL)
1312 		goto error1;
1313 	if (scf_handle_decode_fmri(h, fmri_buf, NULL, NULL, NULL, NULL, prop,
1314 	    SCF_DECODE_FMRI_REQUIRE_INSTANCE) == -1) {
1315 		switch (scf_error()) {
1316 		/*
1317 		 * If the property isn't found in the instance, we grab the
1318 		 * underlying service, create an FMRI out of it, and then
1319 		 * query the datastore again at the service level for the
1320 		 * property.
1321 		 */
1322 		case SCF_ERROR_NOT_FOUND:
1323 			if (scf_handle_decode_fmri(h, fmri_buf, NULL, svc,
1324 			    NULL, NULL, NULL, SCF_DECODE_FMRI_TRUNCATE) == -1)
1325 				goto error1;
1326 			if ((fmri_sz = scf_limit(SCF_LIMIT_MAX_FMRI_LENGTH)) ==
1327 			    -1) {
1328 				(void) scf_set_error(SCF_ERROR_INTERNAL);
1329 				goto error1;
1330 			}
1331 			if (scf_service_to_fmri(svc, fmri_buf, fmri_sz) == -1)
1332 				goto error1;
1333 			if ((svcfmri = assemble_fmri(h, fmri_buf, pgname,
1334 			    propname)) == NULL)
1335 				goto error1;
1336 			if (scf_handle_decode_fmri(h, svcfmri, NULL, NULL,
1337 			    NULL, NULL, prop, 0) == -1) {
1338 				free(svcfmri);
1339 				goto error1;
1340 			}
1341 			free(svcfmri);
1342 			break;
1343 		case SCF_ERROR_CONSTRAINT_VIOLATED:
1344 			(void) scf_set_error(SCF_ERROR_INVALID_ARGUMENT);
1345 		default:
1346 			goto error1;
1347 		}
1348 	}
1349 	/*
1350 	 * At this point, we've successfully pulled the property from the
1351 	 * datastore, and simply need to copy its innards into an
1352 	 * scf_simple_prop_t.
1353 	 */
1354 	if ((ret = fill_prop(prop, pgname, propname, h)) == NULL)
1355 		goto error1;
1356 
1357 	scf_service_destroy(svc);
1358 	scf_property_destroy(prop);
1359 	free(fmri_buf);
1360 	if (local_h)
1361 		scf_handle_destroy(h);
1362 	return (ret);
1363 
1364 	/*
1365 	 * Exit point for a successful call.  Below this line are exit points
1366 	 * for failures at various stages during the function.
1367 	 */
1368 
1369 error1:
1370 	scf_service_destroy(svc);
1371 	scf_property_destroy(prop);
1372 error2:
1373 	free(fmri_buf);
1374 	if (local_h)
1375 		scf_handle_destroy(h);
1376 	return (NULL);
1377 }
1378 
1379 
1380 void
1381 scf_simple_prop_free(scf_simple_prop_t *prop)
1382 {
1383 	int i;
1384 
1385 	if (prop == NULL)
1386 		return;
1387 
1388 	free(prop->pr_propname);
1389 	free(prop->pr_pgname);
1390 	switch (prop->pr_type) {
1391 	case SCF_TYPE_OPAQUE: {
1392 		for (i = 0; i < prop->pr_numvalues; i++) {
1393 			free(prop->pr_vallist[i].pv_opaque.o_value);
1394 		}
1395 		break;
1396 	}
1397 	case SCF_TYPE_ASTRING:
1398 	case SCF_TYPE_USTRING:
1399 	case SCF_TYPE_HOST:
1400 	case SCF_TYPE_HOSTNAME:
1401 	case SCF_TYPE_NET_ADDR_V4:
1402 	case SCF_TYPE_NET_ADDR_V6:
1403 	case SCF_TYPE_URI:
1404 	case SCF_TYPE_FMRI: {
1405 		for (i = 0; i < prop->pr_numvalues; i++) {
1406 			free(prop->pr_vallist[i].pv_str);
1407 		}
1408 		break;
1409 	}
1410 	default:
1411 		break;
1412 	}
1413 	free(prop->pr_vallist);
1414 	free(prop);
1415 }
1416 
1417 
1418 scf_simple_app_props_t *
1419 scf_simple_app_props_get(scf_handle_t *hin, const char *inst_fmri)
1420 {
1421 	scf_instance_t 		*inst = NULL;
1422 	scf_service_t 		*svc = NULL;
1423 	scf_propertygroup_t 	*pg = NULL;
1424 	scf_property_t 		*prop = NULL;
1425 	scf_simple_app_props_t	*ret = NULL;
1426 	scf_iter_t		*pgiter = NULL, *propiter = NULL;
1427 	struct scf_simple_pg	*thispg = NULL, *nextpg;
1428 	scf_simple_prop_t	*thisprop, *nextprop;
1429 	scf_handle_t		*h = NULL;
1430 	int			pgiter_ret, propiter_ret;
1431 	ssize_t			namelen;
1432 	char 			*propname = NULL, *pgname = NULL, *sys_fmri;
1433 	uint8_t			found;
1434 	boolean_t		local_h = B_TRUE;
1435 
1436 	/* If the user passed in a handle, use it. */
1437 	if (hin != NULL) {
1438 		h = hin;
1439 		local_h = B_FALSE;
1440 	}
1441 
1442 	if (local_h && ((h = handle_create()) == NULL))
1443 		return (NULL);
1444 
1445 	if (inst_fmri == NULL) {
1446 		if ((namelen = scf_myname(h, NULL, 0)) == -1) {
1447 			if (local_h)
1448 				scf_handle_destroy(h);
1449 			return (NULL);
1450 		}
1451 		if ((sys_fmri = malloc(namelen + 1)) == NULL) {
1452 			if (local_h)
1453 				scf_handle_destroy(h);
1454 			(void) scf_set_error(SCF_ERROR_NO_MEMORY);
1455 			return (NULL);
1456 		}
1457 		if (scf_myname(h, sys_fmri, namelen + 1) == -1) {
1458 			if (local_h)
1459 				scf_handle_destroy(h);
1460 			free(sys_fmri);
1461 			return (NULL);
1462 		}
1463 	} else {
1464 		sys_fmri = strdup(inst_fmri);
1465 	}
1466 
1467 	if ((namelen = scf_limit(SCF_LIMIT_MAX_NAME_LENGTH)) == -1) {
1468 		(void) scf_set_error(SCF_ERROR_INTERNAL);
1469 		return (NULL);
1470 	}
1471 
1472 	if ((inst = scf_instance_create(h)) == NULL ||
1473 	    (svc = scf_service_create(h)) == NULL ||
1474 	    (pgiter = scf_iter_create(h)) == NULL ||
1475 	    (propiter = scf_iter_create(h)) == NULL ||
1476 	    (pg = scf_pg_create(h)) == NULL ||
1477 	    (prop = scf_property_create(h)) == NULL)
1478 		goto error2;
1479 
1480 	if (scf_handle_decode_fmri(h, sys_fmri, NULL, svc, inst, NULL, NULL,
1481 	    SCF_DECODE_FMRI_REQUIRE_INSTANCE) == -1) {
1482 		if (scf_error() == SCF_ERROR_CONSTRAINT_VIOLATED)
1483 			(void) scf_set_error(SCF_ERROR_INVALID_ARGUMENT);
1484 		goto error2;
1485 	}
1486 
1487 	if ((ret = malloc(sizeof (*ret))) == NULL ||
1488 	    (thispg = malloc(sizeof (*thispg))) == NULL ||
1489 	    (propname = malloc(namelen)) == NULL ||
1490 	    (pgname = malloc(namelen)) == NULL) {
1491 		free(thispg);
1492 		free(ret);
1493 		(void) scf_set_error(SCF_ERROR_NO_MEMORY);
1494 		goto error2;
1495 	}
1496 
1497 	ret->ap_fmri = sys_fmri;
1498 	thispg->pg_name = NULL;
1499 	thispg->pg_proplist = NULL;
1500 	thispg->pg_next = NULL;
1501 	ret->ap_pglist = thispg;
1502 
1503 	if (scf_iter_service_pgs_typed(pgiter, svc, SCF_GROUP_APPLICATION) !=
1504 	    0) {
1505 		if (scf_error() != SCF_ERROR_CONNECTION_BROKEN)
1506 			(void) scf_set_error(SCF_ERROR_INTERNAL);
1507 		goto error1;
1508 	}
1509 
1510 	while ((pgiter_ret = scf_iter_next_pg(pgiter, pg)) == 1) {
1511 		if (thispg->pg_name != NULL) {
1512 			if ((nextpg = malloc(sizeof (*nextpg))) == NULL) {
1513 				(void) scf_set_error(SCF_ERROR_NO_MEMORY);
1514 				goto error1;
1515 			}
1516 			thispg->pg_next = nextpg;
1517 			thispg = nextpg;
1518 		} else {
1519 			/* This is the first iteration */
1520 			nextpg = thispg;
1521 		}
1522 
1523 		if ((nextpg->pg_name = malloc(namelen)) == NULL) {
1524 			(void) scf_set_error(SCF_ERROR_NO_MEMORY);
1525 			goto error1;
1526 		}
1527 
1528 		if (scf_pg_get_name(pg, nextpg->pg_name, namelen) < 0) {
1529 			if (scf_error() == SCF_ERROR_NOT_SET)
1530 				(void) scf_set_error(SCF_ERROR_INTERNAL);
1531 			goto error1;
1532 		}
1533 
1534 		nextpg->pg_next = NULL;
1535 		nextpg->pg_proplist = NULL;
1536 		thisprop = NULL;
1537 
1538 		scf_iter_reset(propiter);
1539 
1540 		if (scf_iter_pg_properties(propiter, pg) != 0) {
1541 			if (scf_error() != SCF_ERROR_CONNECTION_BROKEN)
1542 				(void) scf_set_error(SCF_ERROR_INTERNAL);
1543 			goto error1;
1544 		}
1545 
1546 		while ((propiter_ret = scf_iter_next_property(propiter, prop))
1547 		    == 1) {
1548 			if (scf_property_get_name(prop, propname, namelen) <
1549 			    0) {
1550 				if (scf_error() == SCF_ERROR_NOT_SET)
1551 					(void) scf_set_error(
1552 					    SCF_ERROR_INTERNAL);
1553 				goto error1;
1554 			}
1555 			if (thisprop != NULL) {
1556 				if ((nextprop = fill_prop(prop,
1557 				    nextpg->pg_name, propname, h)) == NULL)
1558 					goto error1;
1559 				thisprop->pr_next = nextprop;
1560 				thisprop = nextprop;
1561 			} else {
1562 				/* This is the first iteration */
1563 				if ((thisprop = fill_prop(prop,
1564 				    nextpg->pg_name, propname, h)) == NULL)
1565 					goto error1;
1566 				nextpg->pg_proplist = thisprop;
1567 				nextprop = thisprop;
1568 			}
1569 			nextprop->pr_pg = nextpg;
1570 			nextprop->pr_next = NULL;
1571 		}
1572 
1573 		if (propiter_ret == -1) {
1574 			if (scf_error() != SCF_ERROR_CONNECTION_BROKEN)
1575 				(void) scf_set_error(SCF_ERROR_INTERNAL);
1576 			goto error1;
1577 		}
1578 	}
1579 
1580 	if (pgiter_ret == -1) {
1581 		if (scf_error() != SCF_ERROR_CONNECTION_BROKEN)
1582 			(void) scf_set_error(SCF_ERROR_INTERNAL);
1583 		goto error1;
1584 	}
1585 
1586 	/*
1587 	 * At this point, we've filled the scf_simple_app_props_t with all the
1588 	 * properties at the service level.  Now we iterate over all the
1589 	 * properties at the instance level, overwriting any duplicate
1590 	 * properties, in order to provide service/instance composition.
1591 	 */
1592 
1593 	scf_iter_reset(pgiter);
1594 	scf_iter_reset(propiter);
1595 
1596 	if (scf_iter_instance_pgs_typed(pgiter, inst, SCF_GROUP_APPLICATION)
1597 	    != 0) {
1598 		if (scf_error() != SCF_ERROR_CONNECTION_BROKEN)
1599 			(void) scf_set_error(SCF_ERROR_INTERNAL);
1600 		goto error1;
1601 	}
1602 
1603 	while ((pgiter_ret = scf_iter_next_pg(pgiter, pg)) == 1) {
1604 
1605 		thispg = ret->ap_pglist;
1606 		found = 0;
1607 
1608 		/*
1609 		 * Find either the end of the list, so we can append the
1610 		 * property group, or an existing property group that matches
1611 		 * it, so we can insert/overwrite its properties.
1612 		 */
1613 
1614 		if (scf_pg_get_name(pg, pgname, namelen) < 0) {
1615 			if (scf_error() == SCF_ERROR_NOT_SET)
1616 				(void) scf_set_error(SCF_ERROR_INTERNAL);
1617 			goto error1;
1618 		}
1619 
1620 		while ((thispg != NULL) && (thispg->pg_name != NULL)) {
1621 			if (strcmp(thispg->pg_name, pgname) == 0) {
1622 				found = 1;
1623 				break;
1624 			}
1625 			if (thispg->pg_next == NULL)
1626 				break;
1627 
1628 			thispg = thispg->pg_next;
1629 		}
1630 
1631 		scf_iter_reset(propiter);
1632 
1633 		if (scf_iter_pg_properties(propiter, pg) != 0) {
1634 			if (scf_error() != SCF_ERROR_CONNECTION_BROKEN)
1635 				(void) scf_set_error(SCF_ERROR_INTERNAL);
1636 			goto error1;
1637 		}
1638 
1639 		if (found) {
1640 			/*
1641 			 * insert_app_props inserts or overwrites the
1642 			 * properties in thispg.
1643 			 */
1644 
1645 			if (insert_app_props(propiter, pgname, propname,
1646 			    thispg, prop, namelen, h) == -1)
1647 				goto error1;
1648 
1649 		} else {
1650 			/*
1651 			 * If the property group wasn't found, we're adding
1652 			 * a newly allocated property group to the end of the
1653 			 * list.
1654 			 */
1655 
1656 			if ((nextpg = malloc(sizeof (*nextpg))) == NULL) {
1657 				(void) scf_set_error(SCF_ERROR_NO_MEMORY);
1658 				goto error1;
1659 			}
1660 			nextpg->pg_next = NULL;
1661 			nextpg->pg_proplist = NULL;
1662 			thisprop = NULL;
1663 
1664 			if ((nextpg->pg_name = strdup(pgname)) == NULL) {
1665 				free(nextpg);
1666 				goto error1;
1667 			}
1668 
1669 			if (thispg->pg_name == NULL) {
1670 				free(thispg);
1671 				ret->ap_pglist = nextpg;
1672 			} else {
1673 				thispg->pg_next = nextpg;
1674 			}
1675 
1676 			while ((propiter_ret =
1677 			    scf_iter_next_property(propiter, prop)) == 1) {
1678 				if (scf_property_get_name(prop, propname,
1679 				    namelen) < 0) {
1680 					if (scf_error() == SCF_ERROR_NOT_SET)
1681 						(void) scf_set_error(
1682 						    SCF_ERROR_INTERNAL);
1683 					goto error1;
1684 				}
1685 				if (thisprop != NULL) {
1686 					if ((nextprop = fill_prop(prop,
1687 					    pgname, propname, h)) ==
1688 					    NULL)
1689 						goto error1;
1690 					thisprop->pr_next = nextprop;
1691 					thisprop = nextprop;
1692 				} else {
1693 					/* This is the first iteration */
1694 					if ((thisprop = fill_prop(prop,
1695 					    pgname, propname, h)) ==
1696 					    NULL)
1697 						goto error1;
1698 					nextpg->pg_proplist = thisprop;
1699 					nextprop = thisprop;
1700 				}
1701 				nextprop->pr_pg = nextpg;
1702 				nextprop->pr_next = NULL;
1703 			}
1704 
1705 			if (propiter_ret == -1) {
1706 				if (scf_error() != SCF_ERROR_CONNECTION_BROKEN)
1707 					(void) scf_set_error(
1708 					    SCF_ERROR_INTERNAL);
1709 				goto error1;
1710 			}
1711 		}
1712 
1713 	}
1714 
1715 	if (pgiter_ret == -1) {
1716 		if (scf_error() != SCF_ERROR_CONNECTION_BROKEN)
1717 			(void) scf_set_error(SCF_ERROR_INTERNAL);
1718 		goto error1;
1719 	}
1720 
1721 	scf_iter_destroy(pgiter);
1722 	scf_iter_destroy(propiter);
1723 	scf_pg_destroy(pg);
1724 	scf_property_destroy(prop);
1725 	scf_instance_destroy(inst);
1726 	scf_service_destroy(svc);
1727 	free(propname);
1728 	free(pgname);
1729 	if (local_h)
1730 		scf_handle_destroy(h);
1731 
1732 	if (ret->ap_pglist->pg_name == NULL)
1733 		return (NULL);
1734 
1735 	return (ret);
1736 
1737 	/*
1738 	 * Exit point for a successful call.  Below this line are exit points
1739 	 * for failures at various stages during the function.
1740 	 */
1741 
1742 error1:
1743 	scf_simple_app_props_free(ret);
1744 
1745 error2:
1746 	scf_iter_destroy(pgiter);
1747 	scf_iter_destroy(propiter);
1748 	scf_pg_destroy(pg);
1749 	scf_property_destroy(prop);
1750 	scf_instance_destroy(inst);
1751 	scf_service_destroy(svc);
1752 	free(propname);
1753 	free(pgname);
1754 	if (local_h)
1755 		scf_handle_destroy(h);
1756 	return (NULL);
1757 }
1758 
1759 
1760 void
1761 scf_simple_app_props_free(scf_simple_app_props_t *propblock)
1762 {
1763 	struct scf_simple_pg 	*pgthis, *pgnext;
1764 	scf_simple_prop_t 	*propthis, *propnext;
1765 
1766 	if ((propblock == NULL) || (propblock->ap_pglist == NULL))
1767 		return;
1768 
1769 	for (pgthis = propblock->ap_pglist; pgthis != NULL; pgthis = pgnext) {
1770 		pgnext = pgthis->pg_next;
1771 
1772 		propthis = pgthis->pg_proplist;
1773 
1774 		while (propthis != NULL) {
1775 			propnext = propthis->pr_next;
1776 			scf_simple_prop_free(propthis);
1777 			propthis = propnext;
1778 		}
1779 
1780 		free(pgthis->pg_name);
1781 		free(pgthis);
1782 	}
1783 
1784 	free(propblock->ap_fmri);
1785 	free(propblock);
1786 }
1787 
1788 const scf_simple_prop_t *
1789 scf_simple_app_props_next(const scf_simple_app_props_t *propblock,
1790     scf_simple_prop_t *last)
1791 {
1792 	struct scf_simple_pg 	*this;
1793 
1794 	if (propblock == NULL) {
1795 		(void) scf_set_error(SCF_ERROR_NOT_SET);
1796 		return (NULL);
1797 	}
1798 
1799 	this = propblock->ap_pglist;
1800 
1801 	/*
1802 	 * We're looking for the first property in this block if last is
1803 	 * NULL
1804 	 */
1805 
1806 	if (last == NULL) {
1807 		/* An empty pglist is legal, it just means no properties */
1808 		if (this == NULL) {
1809 			(void) scf_set_error(SCF_ERROR_NONE);
1810 			return (NULL);
1811 		}
1812 		/*
1813 		 * Walk until we find a pg with a property in it, or we run
1814 		 * out of property groups.
1815 		 */
1816 		while ((this->pg_proplist == NULL) && (this->pg_next != NULL))
1817 			this = this->pg_next;
1818 
1819 		if (this->pg_proplist == NULL) {
1820 			(void) scf_set_error(SCF_ERROR_NONE);
1821 			return (NULL);
1822 		}
1823 
1824 		return (this->pg_proplist);
1825 
1826 	}
1827 	/*
1828 	 * If last isn't NULL, then return the next prop in the property group,
1829 	 * or walk the property groups until we find another property, or
1830 	 * run out of property groups.
1831 	 */
1832 	if (last->pr_next != NULL)
1833 		return (last->pr_next);
1834 
1835 	if (last->pr_pg->pg_next == NULL) {
1836 		(void) scf_set_error(SCF_ERROR_NONE);
1837 		return (NULL);
1838 	}
1839 
1840 	this = last->pr_pg->pg_next;
1841 
1842 	while ((this->pg_proplist == NULL) && (this->pg_next != NULL))
1843 		this = this->pg_next;
1844 
1845 	if (this->pg_proplist == NULL) {
1846 		(void) scf_set_error(SCF_ERROR_NONE);
1847 		return (NULL);
1848 	}
1849 
1850 	return (this->pg_proplist);
1851 }
1852 
1853 const scf_simple_prop_t *
1854 scf_simple_app_props_search(const scf_simple_app_props_t *propblock,
1855     const char *pgname, const char *propname)
1856 {
1857 	struct scf_simple_pg 	*pg;
1858 	scf_simple_prop_t 	*prop;
1859 
1860 	if ((propblock == NULL) || (propname == NULL)) {
1861 		(void) scf_set_error(SCF_ERROR_NOT_SET);
1862 		return (NULL);
1863 	}
1864 
1865 	pg = propblock->ap_pglist;
1866 
1867 	/*
1868 	 * If pgname is NULL, we're searching the default application
1869 	 * property group, otherwise we look for the specified group.
1870 	 */
1871 	if (pgname == NULL) {
1872 		while ((pg != NULL) &&
1873 		    (strcmp(SCF_PG_APP_DEFAULT, pg->pg_name) != 0))
1874 			pg = pg->pg_next;
1875 	} else {
1876 		while ((pg != NULL) && (strcmp(pgname, pg->pg_name) != 0))
1877 			pg = pg->pg_next;
1878 	}
1879 
1880 	if (pg == NULL) {
1881 		(void) scf_set_error(SCF_ERROR_NOT_FOUND);
1882 		return (NULL);
1883 	}
1884 
1885 	prop = pg->pg_proplist;
1886 
1887 	while ((prop != NULL) && (strcmp(propname, prop->pr_propname) != 0))
1888 		prop = prop->pr_next;
1889 
1890 	if (prop == NULL) {
1891 		(void) scf_set_error(SCF_ERROR_NOT_FOUND);
1892 		return (NULL);
1893 	}
1894 
1895 	return (prop);
1896 }
1897 
1898 void
1899 scf_simple_prop_next_reset(scf_simple_prop_t *prop)
1900 {
1901 	if (prop == NULL)
1902 		return;
1903 	prop->pr_iter = 0;
1904 }
1905 
1906 ssize_t
1907 scf_simple_prop_numvalues(const scf_simple_prop_t *prop)
1908 {
1909 	if (prop == NULL)
1910 		return (scf_set_error(SCF_ERROR_NOT_SET));
1911 
1912 	return (prop->pr_numvalues);
1913 }
1914 
1915 
1916 scf_type_t
1917 scf_simple_prop_type(const scf_simple_prop_t *prop)
1918 {
1919 	if (prop == NULL)
1920 		return (scf_set_error(SCF_ERROR_NOT_SET));
1921 
1922 	return (prop->pr_type);
1923 }
1924 
1925 
1926 char *
1927 scf_simple_prop_name(const scf_simple_prop_t *prop)
1928 {
1929 	if ((prop == NULL) || (prop->pr_propname == NULL)) {
1930 		(void) scf_set_error(SCF_ERROR_NOT_SET);
1931 		return (NULL);
1932 	}
1933 
1934 	return (prop->pr_propname);
1935 }
1936 
1937 
1938 char *
1939 scf_simple_prop_pgname(const scf_simple_prop_t *prop)
1940 {
1941 	if ((prop == NULL) || (prop->pr_pgname == NULL)) {
1942 		(void) scf_set_error(SCF_ERROR_NOT_SET);
1943 		return (NULL);
1944 	}
1945 
1946 	return (prop->pr_pgname);
1947 }
1948 
1949 
1950 static union scf_simple_prop_val *
1951 scf_next_val(scf_simple_prop_t *prop, scf_type_t type)
1952 {
1953 	if (prop == NULL) {
1954 		(void) scf_set_error(SCF_ERROR_NOT_SET);
1955 		return (NULL);
1956 	}
1957 
1958 	switch (prop->pr_type) {
1959 	case SCF_TYPE_USTRING:
1960 	case SCF_TYPE_HOST:
1961 	case SCF_TYPE_HOSTNAME:
1962 	case SCF_TYPE_NET_ADDR_V4:
1963 	case SCF_TYPE_NET_ADDR_V6:
1964 	case SCF_TYPE_URI:
1965 	case SCF_TYPE_FMRI: {
1966 		if (type != SCF_TYPE_USTRING) {
1967 			(void) scf_set_error(SCF_ERROR_TYPE_MISMATCH);
1968 			return (NULL);
1969 		}
1970 		break;
1971 		}
1972 	default: {
1973 		if (type != prop->pr_type) {
1974 			(void) scf_set_error(SCF_ERROR_TYPE_MISMATCH);
1975 			return (NULL);
1976 		}
1977 		break;
1978 		}
1979 	}
1980 
1981 	if (prop->pr_iter >= prop->pr_numvalues) {
1982 		(void) scf_set_error(SCF_ERROR_NONE);
1983 		return (NULL);
1984 	}
1985 
1986 	return (&prop->pr_vallist[prop->pr_iter++]);
1987 }
1988 
1989 
1990 uint8_t *
1991 scf_simple_prop_next_boolean(scf_simple_prop_t *prop)
1992 {
1993 	union scf_simple_prop_val *ret;
1994 
1995 	ret = scf_next_val(prop, SCF_TYPE_BOOLEAN);
1996 
1997 	if (ret == NULL)
1998 		return (NULL);
1999 
2000 	return (&ret->pv_bool);
2001 }
2002 
2003 
2004 uint64_t *
2005 scf_simple_prop_next_count(scf_simple_prop_t *prop)
2006 {
2007 	union scf_simple_prop_val *ret;
2008 
2009 	ret = scf_next_val(prop, SCF_TYPE_COUNT);
2010 
2011 	if (ret == NULL)
2012 		return (NULL);
2013 
2014 	return (&ret->pv_uint);
2015 }
2016 
2017 
2018 int64_t *
2019 scf_simple_prop_next_integer(scf_simple_prop_t *prop)
2020 {
2021 	union scf_simple_prop_val *ret;
2022 
2023 	ret = scf_next_val(prop, SCF_TYPE_INTEGER);
2024 
2025 	if (ret == NULL)
2026 		return (NULL);
2027 
2028 	return (&ret->pv_int);
2029 }
2030 
2031 int64_t *
2032 scf_simple_prop_next_time(scf_simple_prop_t *prop, int32_t *nsec)
2033 {
2034 	union scf_simple_prop_val *ret;
2035 
2036 	ret = scf_next_val(prop, SCF_TYPE_TIME);
2037 
2038 	if (ret == NULL)
2039 		return (NULL);
2040 
2041 	if (nsec != NULL)
2042 		*nsec = ret->pv_time.t_nsec;
2043 
2044 	return (&ret->pv_time.t_sec);
2045 }
2046 
2047 char *
2048 scf_simple_prop_next_astring(scf_simple_prop_t *prop)
2049 {
2050 	union scf_simple_prop_val *ret;
2051 
2052 	ret = scf_next_val(prop, SCF_TYPE_ASTRING);
2053 
2054 	if (ret == NULL)
2055 		return (NULL);
2056 
2057 	return (ret->pv_str);
2058 }
2059 
2060 char *
2061 scf_simple_prop_next_ustring(scf_simple_prop_t *prop)
2062 {
2063 	union scf_simple_prop_val *ret;
2064 
2065 	ret = scf_next_val(prop, SCF_TYPE_USTRING);
2066 
2067 	if (ret == NULL)
2068 		return (NULL);
2069 
2070 	return (ret->pv_str);
2071 }
2072 
2073 void *
2074 scf_simple_prop_next_opaque(scf_simple_prop_t *prop, size_t *length)
2075 {
2076 	union scf_simple_prop_val *ret;
2077 
2078 	ret = scf_next_val(prop, SCF_TYPE_OPAQUE);
2079 
2080 	if (ret == NULL) {
2081 		*length = 0;
2082 		return (NULL);
2083 	}
2084 
2085 	*length = ret->pv_opaque.o_size;
2086 	return (ret->pv_opaque.o_value);
2087 }
2088