xref: /titanic_50/usr/src/lib/libscf/common/midlevel.c (revision 7932179448259e425d93162dedd251930575d83e)
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 (the "License").
6  * You may not use this file except in compliance with the License.
7  *
8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9  * or http://www.opensolaris.org/os/licensing.
10  * See the License for the specific language governing permissions
11  * and limitations under the License.
12  *
13  * When distributing Covered Code, include this CDDL HEADER in each
14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15  * If applicable, add the following below this CDDL HEADER, with the
16  * fields enclosed by brackets "[]" replaced with your own identifying
17  * information: Portions Copyright [yyyy] [name of copyright owner]
18  *
19  * CDDL HEADER END
20  */
21 
22 /*
23  * Copyright (c) 2004, 2010, Oracle and/or its affiliates. All rights reserved.
24  */
25 
26 #include "libscf_impl.h"
27 
28 #include <assert.h>
29 #include <libuutil.h>
30 #include <stdio.h>
31 #include <string.h>
32 #include <stdlib.h>
33 #include <sys/param.h>
34 #include <errno.h>
35 #include <libgen.h>
36 #include <assert.h>
37 #include "midlevel_impl.h"
38 #include "lowlevel_impl.h"
39 
40 #ifndef NDEBUG
41 #define	bad_error(func, err)	{					\
42 	uu_warn("%s:%d: %s failed with unexpected error %d.  Aborting.\n", \
43 	    __FILE__, __LINE__, func, err);				\
44 	abort();							\
45 }
46 #else
47 #define	bad_error(func, err)	abort()
48 #endif
49 
50 /* Path to speedy files area must end with a slash */
51 #define	SMF_SPEEDY_FILES_PATH		"/etc/svc/volatile/"
52 
53 void
54 scf_simple_handle_destroy(scf_simple_handle_t *simple_h)
55 {
56 	if (simple_h == NULL)
57 		return;
58 
59 	scf_pg_destroy(simple_h->running_pg);
60 	scf_pg_destroy(simple_h->editing_pg);
61 	scf_snapshot_destroy(simple_h->snap);
62 	scf_instance_destroy(simple_h->inst);
63 	scf_handle_destroy(simple_h->h);
64 	uu_free(simple_h);
65 }
66 
67 /*
68  * Given a base service FMRI and the names of a property group and property,
69  * assemble_fmri() merges them into a property FMRI.  Note that if the base
70  * FMRI is NULL, assemble_fmri() gets the base FMRI from scf_myname().
71  */
72 
73 static char *
74 assemble_fmri(scf_handle_t *h, const char *base, const char *pg,
75     const char *prop)
76 {
77 	size_t	fmri_sz, pglen;
78 	ssize_t baselen;
79 	char	*fmri_buf;
80 
81 	if (prop == NULL) {
82 		(void) scf_set_error(SCF_ERROR_INVALID_ARGUMENT);
83 		return (NULL);
84 	}
85 
86 	if (pg == NULL)
87 		pglen = strlen(SCF_PG_APP_DEFAULT);
88 	else
89 		pglen = strlen(pg);
90 
91 	if (base == NULL) {
92 		if ((baselen = scf_myname(h, NULL, 0)) == -1)
93 			return (NULL);
94 	} else {
95 		baselen = strlen(base);
96 	}
97 
98 	fmri_sz = baselen + sizeof (SCF_FMRI_PROPERTYGRP_PREFIX) - 1 +
99 	    pglen + sizeof (SCF_FMRI_PROPERTY_PREFIX) - 1 +
100 	    strlen(prop) + 1;
101 
102 	if ((fmri_buf = malloc(fmri_sz)) == NULL) {
103 		(void) scf_set_error(SCF_ERROR_NO_MEMORY);
104 		return (NULL);
105 	}
106 
107 	if (base == NULL) {
108 		if (scf_myname(h, fmri_buf, fmri_sz) == -1) {
109 			free(fmri_buf);
110 			return (NULL);
111 		}
112 	} else {
113 		(void) strcpy(fmri_buf, base);
114 	}
115 
116 	(void) strcat(fmri_buf, SCF_FMRI_PROPERTYGRP_PREFIX);
117 
118 	if (pg == NULL)
119 		(void) strcat(fmri_buf, SCF_PG_APP_DEFAULT);
120 	else
121 		(void) strcat(fmri_buf, pg);
122 
123 	(void) strcat(fmri_buf, SCF_FMRI_PROPERTY_PREFIX);
124 	(void) strcat(fmri_buf, prop);
125 	return (fmri_buf);
126 }
127 
128 /*
129  * Given a property, this function allocates and fills an scf_simple_prop_t
130  * with the data it contains.
131  */
132 
133 static scf_simple_prop_t *
134 fill_prop(scf_property_t *prop, const char *pgname, const char *propname,
135     scf_handle_t *h)
136 {
137 	scf_simple_prop_t 		*ret;
138 	scf_iter_t 			*iter;
139 	scf_value_t 			*val;
140 	int 				iterret, i;
141 	ssize_t 			valsize, numvals;
142 	union scf_simple_prop_val 	*vallist = NULL, *vallist_backup = NULL;
143 
144 	if ((ret = malloc(sizeof (*ret))) == NULL) {
145 		(void) scf_set_error(SCF_ERROR_NO_MEMORY);
146 		return (NULL);
147 	}
148 
149 	ret->pr_next = NULL;
150 	ret->pr_pg = NULL;
151 	ret->pr_iter = 0;
152 
153 	if (pgname == NULL)
154 		ret->pr_pgname = strdup(SCF_PG_APP_DEFAULT);
155 	else
156 		ret->pr_pgname = strdup(pgname);
157 
158 	if (ret->pr_pgname == NULL) {
159 		(void) scf_set_error(SCF_ERROR_NO_MEMORY);
160 		free(ret);
161 		return (NULL);
162 	}
163 
164 	if ((ret->pr_propname = strdup(propname)) == NULL) {
165 		(void) scf_set_error(SCF_ERROR_NO_MEMORY);
166 		free(ret->pr_pgname);
167 		free(ret);
168 		return (NULL);
169 	}
170 
171 	if (scf_property_type(prop, &ret->pr_type) == -1)
172 		goto error3;
173 
174 	if ((iter = scf_iter_create(h)) == NULL)
175 		goto error3;
176 	if ((val = scf_value_create(h)) == NULL) {
177 		scf_iter_destroy(iter);
178 		goto error3;
179 	}
180 
181 	if (scf_iter_property_values(iter, prop) == -1)
182 		goto error1;
183 
184 	for (numvals = 0; (iterret = scf_iter_next_value(iter, val)) == 1;
185 	    numvals++) {
186 		vallist_backup = vallist;
187 		if ((vallist = realloc(vallist, (numvals + 1) *
188 		    sizeof (*vallist))) == NULL) {
189 			vallist = vallist_backup;
190 			goto error1;
191 		}
192 
193 		switch (ret->pr_type) {
194 		case SCF_TYPE_BOOLEAN:
195 			if (scf_value_get_boolean(val,
196 			    &vallist[numvals].pv_bool) == -1)
197 				goto error1;
198 			break;
199 
200 		case SCF_TYPE_COUNT:
201 			if (scf_value_get_count(val,
202 			    &vallist[numvals].pv_uint) == -1)
203 				goto error1;
204 			break;
205 
206 		case SCF_TYPE_INTEGER:
207 			if (scf_value_get_integer(val,
208 			    &vallist[numvals].pv_int) == -1)
209 				goto error1;
210 			break;
211 
212 		case SCF_TYPE_TIME:
213 			if (scf_value_get_time(val,
214 			    &vallist[numvals].pv_time.t_sec,
215 			    &vallist[numvals].pv_time.t_nsec) == -1)
216 				goto error1;
217 			break;
218 
219 		case SCF_TYPE_ASTRING:
220 			vallist[numvals].pv_str = NULL;
221 			if ((valsize = scf_value_get_astring(val, NULL, 0)) ==
222 			    -1)
223 				goto error1;
224 			if ((vallist[numvals].pv_str = malloc(valsize+1)) ==
225 			    NULL) {
226 				(void) scf_set_error(SCF_ERROR_NO_MEMORY);
227 				goto error1;
228 			}
229 			if (scf_value_get_astring(val,
230 			    vallist[numvals].pv_str, valsize+1) == -1) {
231 				free(vallist[numvals].pv_str);
232 				goto error1;
233 			}
234 			break;
235 
236 		case SCF_TYPE_USTRING:
237 		case SCF_TYPE_HOST:
238 		case SCF_TYPE_HOSTNAME:
239 		case SCF_TYPE_NET_ADDR:
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 		int err = scf_error();
288 		if (err != SCF_ERROR_CONNECTION_BROKEN &&
289 		    err != SCF_ERROR_PERMISSION_DENIED)
290 			(void) scf_set_error(SCF_ERROR_INTERNAL);
291 		goto error1;
292 	}
293 
294 	ret->pr_vallist = vallist;
295 	ret->pr_numvalues = numvals;
296 
297 	scf_iter_destroy(iter);
298 	(void) scf_value_destroy(val);
299 
300 	return (ret);
301 
302 	/*
303 	 * Exit point for a successful call.  Below this line are exit points
304 	 * for failures at various stages during the function.
305 	 */
306 
307 error1:
308 	if (vallist == NULL)
309 		goto error2;
310 
311 	switch (ret->pr_type) {
312 	case SCF_TYPE_ASTRING:
313 	case SCF_TYPE_USTRING:
314 	case SCF_TYPE_HOST:
315 	case SCF_TYPE_HOSTNAME:
316 	case SCF_TYPE_NET_ADDR:
317 	case SCF_TYPE_NET_ADDR_V4:
318 	case SCF_TYPE_NET_ADDR_V6:
319 	case SCF_TYPE_URI:
320 	case SCF_TYPE_FMRI: {
321 		for (i = 0; i < numvals; i++) {
322 			free(vallist[i].pv_str);
323 		}
324 		break;
325 	}
326 	case SCF_TYPE_OPAQUE: {
327 		for (i = 0; i < numvals; i++) {
328 			free(vallist[i].pv_opaque.o_value);
329 		}
330 		break;
331 	}
332 	default:
333 		break;
334 	}
335 
336 	free(vallist);
337 
338 error2:
339 	scf_iter_destroy(iter);
340 	(void) scf_value_destroy(val);
341 
342 error3:
343 	free(ret->pr_pgname);
344 	free(ret->pr_propname);
345 	free(ret);
346 	return (NULL);
347 }
348 
349 /*
350  * insert_app_props iterates over a property iterator, getting all the
351  * properties from a property group, and adding or overwriting them into
352  * a simple_app_props_t.  This is used by scf_simple_app_props_get to provide
353  * service/instance composition while filling the app_props_t.
354  * insert_app_props iterates over a single property group.
355  */
356 
357 static int
358 insert_app_props(scf_iter_t *propiter, char *pgname, char *propname, struct
359     scf_simple_pg *thispg, scf_property_t *prop, size_t namelen,
360     scf_handle_t *h)
361 {
362 	scf_simple_prop_t	*thisprop, *prevprop, *newprop;
363 	uint8_t			found;
364 	int			propiter_ret;
365 
366 	while ((propiter_ret = scf_iter_next_property(propiter, prop)) == 1) {
367 
368 		if (scf_property_get_name(prop, propname, namelen) < 0) {
369 			if (scf_error() == SCF_ERROR_NOT_SET)
370 				(void) scf_set_error(SCF_ERROR_INTERNAL);
371 			return (-1);
372 		}
373 
374 		thisprop = thispg->pg_proplist;
375 		prevprop = thispg->pg_proplist;
376 		found = 0;
377 
378 		while ((thisprop != NULL) && (!found)) {
379 			if (strcmp(thisprop->pr_propname, propname) == 0) {
380 				found = 1;
381 				if ((newprop = fill_prop(prop, pgname,
382 				    propname, h)) == NULL)
383 					return (-1);
384 
385 				if (thisprop == thispg->pg_proplist)
386 					thispg->pg_proplist = newprop;
387 				else
388 					prevprop->pr_next = newprop;
389 
390 				newprop->pr_pg = thispg;
391 				newprop->pr_next = thisprop->pr_next;
392 				scf_simple_prop_free(thisprop);
393 				thisprop = NULL;
394 			} else {
395 				if (thisprop != thispg->pg_proplist)
396 					prevprop = prevprop->pr_next;
397 				thisprop = thisprop->pr_next;
398 			}
399 		}
400 
401 		if (!found) {
402 			if ((newprop = fill_prop(prop, pgname, propname, h)) ==
403 			    NULL)
404 				return (-1);
405 
406 			if (thispg->pg_proplist == NULL)
407 				thispg->pg_proplist = newprop;
408 			else
409 				prevprop->pr_next = newprop;
410 
411 			newprop->pr_pg = thispg;
412 		}
413 	}
414 
415 	if (propiter_ret == -1) {
416 		if (scf_error() != SCF_ERROR_CONNECTION_BROKEN)
417 			(void) scf_set_error(SCF_ERROR_INTERNAL);
418 		return (-1);
419 	}
420 
421 	return (0);
422 }
423 
424 
425 /*
426  * Sets up e in tx to set pname's values.  Returns 0 on success or -1 on
427  * failure, with scf_error() set to
428  *   SCF_ERROR_HANDLE_MISMATCH - tx & e are derived from different handles
429  *   SCF_ERROR_INVALID_ARGUMENT - pname or ty are invalid
430  *   SCF_ERROR_NOT_BOUND - handle is not bound
431  *   SCF_ERROR_CONNECTION_BROKEN - connection was broken
432  *   SCF_ERROR_NOT_SET - tx has not been started
433  *   SCF_ERROR_DELETED - the pg tx was started on was deleted
434  */
435 static int
436 transaction_property_set(scf_transaction_t *tx, scf_transaction_entry_t *e,
437     const char *pname, scf_type_t ty)
438 {
439 	for (;;) {
440 		if (scf_transaction_property_change_type(tx, e, pname, ty) == 0)
441 			return (0);
442 
443 		switch (scf_error()) {
444 		case SCF_ERROR_HANDLE_MISMATCH:
445 		case SCF_ERROR_INVALID_ARGUMENT:
446 		case SCF_ERROR_NOT_BOUND:
447 		case SCF_ERROR_CONNECTION_BROKEN:
448 		case SCF_ERROR_NOT_SET:
449 		case SCF_ERROR_DELETED:
450 		default:
451 			return (-1);
452 
453 		case SCF_ERROR_NOT_FOUND:
454 			break;
455 		}
456 
457 		if (scf_transaction_property_new(tx, e, pname, ty) == 0)
458 			return (0);
459 
460 		switch (scf_error()) {
461 		case SCF_ERROR_HANDLE_MISMATCH:
462 		case SCF_ERROR_INVALID_ARGUMENT:
463 		case SCF_ERROR_NOT_BOUND:
464 		case SCF_ERROR_CONNECTION_BROKEN:
465 		case SCF_ERROR_NOT_SET:
466 		case SCF_ERROR_DELETED:
467 		default:
468 			return (-1);
469 
470 		case SCF_ERROR_EXISTS:
471 			break;
472 		}
473 	}
474 }
475 
476 static int
477 get_inst_enabled(const scf_instance_t *inst, const char *pgname)
478 {
479 	scf_propertygroup_t 	*gpg = NULL;
480 	scf_property_t 		*eprop = NULL;
481 	scf_value_t 		*v = NULL;
482 	scf_handle_t		*h = NULL;
483 	uint8_t			enabled;
484 	int			ret = -1;
485 
486 	if ((h = scf_instance_handle(inst)) == NULL)
487 		return (-1);
488 
489 	if ((gpg = scf_pg_create(h)) == NULL ||
490 	    (eprop = scf_property_create(h)) == NULL ||
491 	    (v = scf_value_create(h)) == NULL)
492 		goto out;
493 
494 	if (scf_instance_get_pg(inst, pgname, gpg) ||
495 	    scf_pg_get_property(gpg, SCF_PROPERTY_ENABLED, eprop) ||
496 	    scf_property_get_value(eprop, v) ||
497 	    scf_value_get_boolean(v, &enabled))
498 		goto out;
499 	ret = enabled;
500 
501 out:
502 	scf_pg_destroy(gpg);
503 	scf_property_destroy(eprop);
504 	scf_value_destroy(v);
505 	return (ret);
506 }
507 
508 /*
509  * set_inst_enabled() is a "master" enable/disable call that takes the
510  * instance and the desired state for the enabled bit in the instance's
511  * named property group.  If the group doesn't exist, it's created with the
512  * given flags.  Called by smf_{dis,en}able_instance().
513  */
514 static int
515 set_inst_enabled(const scf_instance_t *inst, uint8_t desired,
516     const char *pgname, uint32_t pgflags)
517 {
518 	scf_transaction_t 	*tx = NULL;
519 	scf_transaction_entry_t *ent = NULL;
520 	scf_propertygroup_t 	*gpg = NULL;
521 	scf_property_t 		*eprop = NULL;
522 	scf_value_t 		*v = NULL;
523 	scf_handle_t		*h = NULL;
524 	int 			ret = -1;
525 	int			committed;
526 	uint8_t			b;
527 
528 	if ((h = scf_instance_handle(inst)) == NULL)
529 		return (-1);
530 
531 	if ((gpg = scf_pg_create(h)) == NULL ||
532 	    (eprop = scf_property_create(h)) == NULL ||
533 	    (v = scf_value_create(h)) == NULL ||
534 	    (tx = scf_transaction_create(h)) == NULL ||
535 	    (ent = scf_entry_create(h)) == NULL)
536 		goto out;
537 
538 general_pg_get:
539 	if (scf_instance_get_pg(inst, SCF_PG_GENERAL, gpg) == -1) {
540 		if (scf_error() != SCF_ERROR_NOT_FOUND)
541 			goto out;
542 
543 		if (scf_instance_add_pg(inst, SCF_PG_GENERAL,
544 		    SCF_GROUP_FRAMEWORK, SCF_PG_GENERAL_FLAGS, gpg) == -1) {
545 			if (scf_error() != SCF_ERROR_EXISTS)
546 				goto out;
547 			goto general_pg_get;
548 		}
549 	}
550 
551 	if (strcmp(pgname, SCF_PG_GENERAL) != 0) {
552 get:
553 		if (scf_instance_get_pg(inst, pgname, gpg) == -1) {
554 			if (scf_error() != SCF_ERROR_NOT_FOUND)
555 				goto out;
556 
557 			if (scf_instance_add_pg(inst, pgname,
558 			    SCF_GROUP_FRAMEWORK, pgflags, gpg) == -1) {
559 				if (scf_error() != SCF_ERROR_EXISTS)
560 					goto out;
561 				goto get;
562 			}
563 		}
564 	}
565 
566 	if (scf_pg_get_property(gpg, SCF_PROPERTY_ENABLED, eprop) == -1) {
567 		if (scf_error() != SCF_ERROR_NOT_FOUND)
568 			goto out;
569 		else
570 			goto set;
571 	}
572 
573 	/*
574 	 * If it's already set the way we want, forgo the transaction.
575 	 */
576 	if (scf_property_get_value(eprop, v) == -1) {
577 		switch (scf_error()) {
578 		case SCF_ERROR_CONSTRAINT_VIOLATED:
579 		case SCF_ERROR_NOT_FOUND:
580 			/* Misconfigured, so set anyway. */
581 			goto set;
582 
583 		default:
584 			goto out;
585 		}
586 	}
587 	if (scf_value_get_boolean(v, &b) == -1) {
588 		if (scf_error() != SCF_ERROR_TYPE_MISMATCH)
589 			goto out;
590 		goto set;
591 	}
592 	if (b == desired) {
593 		ret = 0;
594 		goto out;
595 	}
596 
597 set:
598 	do {
599 		if (scf_transaction_start(tx, gpg) == -1)
600 			goto out;
601 
602 		if (transaction_property_set(tx, ent, SCF_PROPERTY_ENABLED,
603 		    SCF_TYPE_BOOLEAN) != 0) {
604 			switch (scf_error()) {
605 			case SCF_ERROR_CONNECTION_BROKEN:
606 			case SCF_ERROR_DELETED:
607 			default:
608 				goto out;
609 
610 			case SCF_ERROR_HANDLE_MISMATCH:
611 			case SCF_ERROR_INVALID_ARGUMENT:
612 			case SCF_ERROR_NOT_BOUND:
613 			case SCF_ERROR_NOT_SET:
614 				bad_error("transaction_property_set",
615 				    scf_error());
616 			}
617 		}
618 
619 		scf_value_set_boolean(v, desired);
620 		if (scf_entry_add_value(ent, v) == -1)
621 			goto out;
622 
623 		committed = scf_transaction_commit(tx);
624 		if (committed == -1)
625 			goto out;
626 
627 		scf_transaction_reset(tx);
628 
629 		if (committed == 0) { /* out-of-sync */
630 			if (scf_pg_update(gpg) == -1)
631 				goto out;
632 		}
633 	} while (committed == 0);
634 
635 	ret = 0;
636 
637 out:
638 	scf_value_destroy(v);
639 	scf_entry_destroy(ent);
640 	scf_transaction_destroy(tx);
641 	scf_property_destroy(eprop);
642 	scf_pg_destroy(gpg);
643 
644 	return (ret);
645 }
646 
647 static int
648 delete_inst_enabled(const scf_instance_t *inst, const char *pgname)
649 {
650 	scf_transaction_t 	*tx = NULL;
651 	scf_transaction_entry_t *ent = NULL;
652 	scf_propertygroup_t 	*gpg = NULL;
653 	scf_handle_t		*h = NULL;
654 	int			ret = -1;
655 	int			committed;
656 
657 	if ((h = scf_instance_handle(inst)) == NULL)
658 		return (-1);
659 
660 	if ((gpg = scf_pg_create(h)) == NULL ||
661 	    (tx = scf_transaction_create(h)) == NULL ||
662 	    (ent = scf_entry_create(h)) == NULL)
663 		goto out;
664 
665 	if (scf_instance_get_pg(inst, pgname, gpg) != 0)
666 		goto error;
667 	do {
668 		if (scf_transaction_start(tx, gpg) == -1 ||
669 		    scf_transaction_property_delete(tx, ent,
670 		    SCF_PROPERTY_ENABLED) == -1 ||
671 		    (committed = scf_transaction_commit(tx)) == -1)
672 			goto error;
673 
674 		scf_transaction_reset(tx);
675 
676 		if (committed == 0 && scf_pg_update(gpg) == -1)
677 			goto error;
678 	} while (committed == 0);
679 
680 	ret = 0;
681 	goto out;
682 
683 error:
684 	switch (scf_error()) {
685 	case SCF_ERROR_DELETED:
686 	case SCF_ERROR_NOT_FOUND:
687 		/* success */
688 		ret = 0;
689 	}
690 
691 out:
692 	scf_entry_destroy(ent);
693 	scf_transaction_destroy(tx);
694 	scf_pg_destroy(gpg);
695 
696 	return (ret);
697 }
698 
699 /*
700  * Returns 0 on success or -1 on failure.  On failure leaves scf_error() set to
701  *   SCF_ERROR_HANDLE_DESTROYED - inst's handle has been destroyed
702  *   SCF_ERROR_NOT_BOUND - inst's handle is not bound
703  *   SCF_ERROR_CONNECTION_BROKEN - the repository connection was broken
704  *   SCF_ERROR_NOT_SET - inst is not set
705  *   SCF_ERROR_DELETED - inst was deleted
706  *   SCF_ERROR_PERMISSION_DENIED
707  *   SCF_ERROR_BACKEND_ACCESS
708  *   SCF_ERROR_BACKEND_READONLY
709  */
710 static int
711 set_inst_action_inst(scf_instance_t *inst, const char *action)
712 {
713 	scf_handle_t			*h;
714 	scf_transaction_t		*tx = NULL;
715 	scf_transaction_entry_t		*ent = NULL;
716 	scf_propertygroup_t		*pg = NULL;
717 	scf_property_t			*prop = NULL;
718 	scf_value_t			*v = NULL;
719 	int				trans, ret = -1;
720 	int64_t				t;
721 	hrtime_t			timestamp;
722 
723 	if ((h = scf_instance_handle(inst)) == NULL ||
724 	    (pg = scf_pg_create(h)) == NULL ||
725 	    (prop = scf_property_create(h)) == NULL ||
726 	    (v = scf_value_create(h)) == NULL ||
727 	    (tx = scf_transaction_create(h)) == NULL ||
728 	    (ent = scf_entry_create(h)) == NULL)
729 		goto out;
730 
731 get:
732 	if (scf_instance_get_pg(inst, SCF_PG_RESTARTER_ACTIONS, pg) == -1) {
733 		switch (scf_error()) {
734 		case SCF_ERROR_NOT_BOUND:
735 		case SCF_ERROR_CONNECTION_BROKEN:
736 		case SCF_ERROR_NOT_SET:
737 		case SCF_ERROR_DELETED:
738 		default:
739 			goto out;
740 
741 		case SCF_ERROR_NOT_FOUND:
742 			break;
743 
744 		case SCF_ERROR_HANDLE_MISMATCH:
745 		case SCF_ERROR_INVALID_ARGUMENT:
746 			bad_error("scf_instance_get_pg", scf_error());
747 		}
748 
749 		/* Try creating the restarter_actions property group. */
750 add:
751 		if (scf_instance_add_pg(inst, SCF_PG_RESTARTER_ACTIONS,
752 		    SCF_PG_RESTARTER_ACTIONS_TYPE,
753 		    SCF_PG_RESTARTER_ACTIONS_FLAGS, pg) == -1) {
754 			switch (scf_error()) {
755 			case SCF_ERROR_NOT_BOUND:
756 			case SCF_ERROR_CONNECTION_BROKEN:
757 			case SCF_ERROR_NOT_SET:
758 			case SCF_ERROR_DELETED:
759 			case SCF_ERROR_PERMISSION_DENIED:
760 			case SCF_ERROR_BACKEND_ACCESS:
761 			case SCF_ERROR_BACKEND_READONLY:
762 			default:
763 				goto out;
764 
765 			case SCF_ERROR_EXISTS:
766 				goto get;
767 
768 			case SCF_ERROR_HANDLE_MISMATCH:
769 			case SCF_ERROR_INVALID_ARGUMENT:
770 				bad_error("scf_instance_add_pg", scf_error());
771 			}
772 		}
773 	}
774 
775 	for (;;) {
776 		timestamp = gethrtime();
777 
778 		if (scf_pg_get_property(pg, action, prop) != 0) {
779 			switch (scf_error()) {
780 			case SCF_ERROR_CONNECTION_BROKEN:
781 			default:
782 				goto out;
783 
784 			case SCF_ERROR_DELETED:
785 				goto add;
786 
787 			case SCF_ERROR_NOT_FOUND:
788 				break;
789 
790 			case SCF_ERROR_HANDLE_MISMATCH:
791 			case SCF_ERROR_INVALID_ARGUMENT:
792 			case SCF_ERROR_NOT_BOUND:
793 			case SCF_ERROR_NOT_SET:
794 				bad_error("scf_pg_get_property", scf_error());
795 			}
796 		} else if (scf_property_get_value(prop, v) != 0) {
797 			switch (scf_error()) {
798 			case SCF_ERROR_CONNECTION_BROKEN:
799 			default:
800 				goto out;
801 
802 			case SCF_ERROR_DELETED:
803 				goto add;
804 
805 			case SCF_ERROR_CONSTRAINT_VIOLATED:
806 			case SCF_ERROR_NOT_FOUND:
807 				break;
808 
809 			case SCF_ERROR_HANDLE_MISMATCH:
810 			case SCF_ERROR_NOT_BOUND:
811 			case SCF_ERROR_NOT_SET:
812 				bad_error("scf_property_get_value",
813 				    scf_error());
814 			}
815 		} else if (scf_value_get_integer(v, &t) != 0) {
816 			bad_error("scf_value_get_integer", scf_error());
817 		} else if (t > timestamp) {
818 			break;
819 		}
820 
821 		if (scf_transaction_start(tx, pg) == -1) {
822 			switch (scf_error()) {
823 			case SCF_ERROR_NOT_BOUND:
824 			case SCF_ERROR_CONNECTION_BROKEN:
825 			case SCF_ERROR_PERMISSION_DENIED:
826 			case SCF_ERROR_BACKEND_ACCESS:
827 			case SCF_ERROR_BACKEND_READONLY:
828 			default:
829 				goto out;
830 
831 			case SCF_ERROR_DELETED:
832 				goto add;
833 
834 			case SCF_ERROR_HANDLE_MISMATCH:
835 			case SCF_ERROR_NOT_SET:
836 			case SCF_ERROR_IN_USE:
837 				bad_error("scf_transaction_start", scf_error());
838 			}
839 		}
840 
841 		if (transaction_property_set(tx, ent, action,
842 		    SCF_TYPE_INTEGER) != 0) {
843 			switch (scf_error()) {
844 			case SCF_ERROR_NOT_BOUND:
845 			case SCF_ERROR_CONNECTION_BROKEN:
846 			case SCF_ERROR_DELETED:
847 			default:
848 				goto out;
849 
850 			case SCF_ERROR_HANDLE_MISMATCH:
851 			case SCF_ERROR_INVALID_ARGUMENT:
852 			case SCF_ERROR_NOT_SET:
853 				bad_error("transaction_property_set",
854 				    scf_error());
855 			}
856 		}
857 
858 		scf_value_set_integer(v, timestamp);
859 		if (scf_entry_add_value(ent, v) == -1)
860 			bad_error("scf_entry_add_value", scf_error());
861 
862 		trans = scf_transaction_commit(tx);
863 		if (trans == 1)
864 			break;
865 
866 		if (trans != 0) {
867 			switch (scf_error()) {
868 			case SCF_ERROR_CONNECTION_BROKEN:
869 			case SCF_ERROR_PERMISSION_DENIED:
870 			case SCF_ERROR_BACKEND_ACCESS:
871 			case SCF_ERROR_BACKEND_READONLY:
872 			default:
873 				goto out;
874 
875 			case SCF_ERROR_DELETED:
876 				scf_transaction_reset(tx);
877 				goto add;
878 
879 			case SCF_ERROR_INVALID_ARGUMENT:
880 			case SCF_ERROR_NOT_BOUND:
881 			case SCF_ERROR_NOT_SET:
882 				bad_error("scf_transaction_commit",
883 				    scf_error());
884 			}
885 		}
886 
887 		scf_transaction_reset(tx);
888 		if (scf_pg_update(pg) == -1) {
889 			switch (scf_error()) {
890 			case SCF_ERROR_CONNECTION_BROKEN:
891 			default:
892 				goto out;
893 
894 			case SCF_ERROR_DELETED:
895 				goto add;
896 
897 			case SCF_ERROR_NOT_SET:
898 			case SCF_ERROR_NOT_BOUND:
899 				bad_error("scf_pg_update", scf_error());
900 			}
901 		}
902 	}
903 
904 	ret = 0;
905 
906 out:
907 	scf_value_destroy(v);
908 	scf_entry_destroy(ent);
909 	scf_transaction_destroy(tx);
910 	scf_property_destroy(prop);
911 	scf_pg_destroy(pg);
912 	return (ret);
913 }
914 
915 static int
916 set_inst_action(const char *fmri, const char *action)
917 {
918 	scf_handle_t *h;
919 	scf_instance_t *inst;
920 	int ret = -1;
921 
922 	h = _scf_handle_create_and_bind(SCF_VERSION);
923 	if (h == NULL)
924 		return (-1);
925 
926 	inst = scf_instance_create(h);
927 
928 	if (inst != NULL) {
929 		if (scf_handle_decode_fmri(h, fmri, NULL, NULL, inst, NULL,
930 		    NULL, SCF_DECODE_FMRI_EXACT) == 0) {
931 			ret = set_inst_action_inst(inst, action);
932 			if (ret == -1 && scf_error() == SCF_ERROR_DELETED)
933 				(void) scf_set_error(SCF_ERROR_NOT_FOUND);
934 		} else {
935 			switch (scf_error()) {
936 			case SCF_ERROR_CONSTRAINT_VIOLATED:
937 				(void) scf_set_error(
938 				    SCF_ERROR_INVALID_ARGUMENT);
939 				break;
940 			case SCF_ERROR_DELETED:
941 				(void) scf_set_error(SCF_ERROR_NOT_FOUND);
942 				break;
943 			}
944 		}
945 
946 		scf_instance_destroy(inst);
947 	}
948 
949 	scf_handle_destroy(h);
950 
951 	return (ret);
952 }
953 
954 
955 /*
956  * get_inst_state() gets the state string from an instance, and returns
957  * the SCF_STATE_* constant that coincides with the instance's current state.
958  */
959 
960 static int
961 get_inst_state(scf_instance_t *inst, scf_handle_t *h)
962 {
963 	scf_propertygroup_t	*pg = NULL;
964 	scf_property_t		*prop = NULL;
965 	scf_value_t		*val = NULL;
966 	char			state[MAX_SCF_STATE_STRING_SZ];
967 	int			ret = -1;
968 
969 	if (((pg = scf_pg_create(h)) == NULL) ||
970 	    ((prop = scf_property_create(h)) == NULL) ||
971 	    ((val = scf_value_create(h)) == NULL))
972 		goto out;
973 
974 	/* Pull the state property from the instance */
975 
976 	if (scf_instance_get_pg(inst, SCF_PG_RESTARTER, pg) == -1 ||
977 	    scf_pg_get_property(pg, SCF_PROPERTY_STATE, prop) == -1 ||
978 	    scf_property_get_value(prop, val) == -1) {
979 		if (scf_error() != SCF_ERROR_CONNECTION_BROKEN)
980 			(void) scf_set_error(SCF_ERROR_INTERNAL);
981 		goto out;
982 	}
983 
984 	if (scf_value_get_astring(val, state, sizeof (state)) <= 0) {
985 		(void) scf_set_error(SCF_ERROR_INTERNAL);
986 		goto out;
987 	}
988 
989 	if (strcmp(state, SCF_STATE_STRING_UNINIT) == 0) {
990 		ret = SCF_STATE_UNINIT;
991 	} else if (strcmp(state, SCF_STATE_STRING_MAINT) == 0) {
992 		ret = SCF_STATE_MAINT;
993 	} else if (strcmp(state, SCF_STATE_STRING_OFFLINE) == 0) {
994 		ret = SCF_STATE_OFFLINE;
995 	} else if (strcmp(state, SCF_STATE_STRING_DISABLED) == 0) {
996 		ret = SCF_STATE_DISABLED;
997 	} else if (strcmp(state, SCF_STATE_STRING_ONLINE) == 0) {
998 		ret = SCF_STATE_ONLINE;
999 	} else if (strcmp(state, SCF_STATE_STRING_DEGRADED) == 0) {
1000 		ret = SCF_STATE_DEGRADED;
1001 	}
1002 
1003 out:
1004 	scf_pg_destroy(pg);
1005 	scf_property_destroy(prop);
1006 	(void) scf_value_destroy(val);
1007 
1008 	return (ret);
1009 }
1010 
1011 /*
1012  * Sets an instance to be enabled or disabled after reboot, using the
1013  * temporary (overriding) general_ovr property group to reflect the
1014  * present state, if it is different.
1015  */
1016 static int
1017 set_inst_enabled_atboot(scf_instance_t *inst, uint8_t desired)
1018 {
1019 	int enabled;
1020 	int persistent;
1021 	int ret = -1;
1022 
1023 	if ((persistent = get_inst_enabled(inst, SCF_PG_GENERAL)) < 0) {
1024 		if (scf_error() != SCF_ERROR_NOT_FOUND)
1025 			goto out;
1026 		persistent = B_FALSE;
1027 	}
1028 	if ((enabled = get_inst_enabled(inst, SCF_PG_GENERAL_OVR)) < 0) {
1029 		enabled = persistent;
1030 		if (persistent != desired) {
1031 			/*
1032 			 * Temporarily store the present enabled state.
1033 			 */
1034 			if (set_inst_enabled(inst, persistent,
1035 			    SCF_PG_GENERAL_OVR, SCF_PG_GENERAL_OVR_FLAGS))
1036 				goto out;
1037 		}
1038 	}
1039 	if (persistent != desired)
1040 		if (set_inst_enabled(inst, desired, SCF_PG_GENERAL,
1041 		    SCF_PG_GENERAL_FLAGS))
1042 			goto out;
1043 	if (enabled == desired)
1044 		ret = delete_inst_enabled(inst, SCF_PG_GENERAL_OVR);
1045 	else
1046 		ret = 0;
1047 
1048 out:
1049 	return (ret);
1050 }
1051 
1052 static int
1053 set_inst_enabled_flags(const char *fmri, int flags, uint8_t desired)
1054 {
1055 	int ret = -1;
1056 	scf_handle_t *h;
1057 	scf_instance_t *inst;
1058 
1059 	if (flags & ~(SMF_TEMPORARY | SMF_AT_NEXT_BOOT) ||
1060 	    flags & SMF_TEMPORARY && flags & SMF_AT_NEXT_BOOT) {
1061 		(void) scf_set_error(SCF_ERROR_INVALID_ARGUMENT);
1062 		return (ret);
1063 	}
1064 
1065 	if ((h = _scf_handle_create_and_bind(SCF_VERSION)) == NULL)
1066 		return (ret);
1067 
1068 	if ((inst = scf_instance_create(h)) == NULL) {
1069 		scf_handle_destroy(h);
1070 		return (ret);
1071 	}
1072 
1073 	if (scf_handle_decode_fmri(h, fmri, NULL, NULL, inst, NULL, NULL,
1074 	    SCF_DECODE_FMRI_EXACT) == -1) {
1075 		if (scf_error() == SCF_ERROR_CONSTRAINT_VIOLATED)
1076 			(void) scf_set_error(SCF_ERROR_INVALID_ARGUMENT);
1077 		goto out;
1078 	}
1079 
1080 	if (flags & SMF_AT_NEXT_BOOT) {
1081 		ret = set_inst_enabled_atboot(inst, desired);
1082 	} else {
1083 		if (set_inst_enabled(inst, desired, flags & SMF_TEMPORARY ?
1084 		    SCF_PG_GENERAL_OVR : SCF_PG_GENERAL, flags & SMF_TEMPORARY ?
1085 		    SCF_PG_GENERAL_OVR_FLAGS : SCF_PG_GENERAL_FLAGS))
1086 			goto out;
1087 
1088 		/*
1089 		 * Make the persistent value effective by deleting the
1090 		 * temporary one.
1091 		 */
1092 		if (flags & SMF_TEMPORARY)
1093 			ret = 0;
1094 		else
1095 			ret = delete_inst_enabled(inst, SCF_PG_GENERAL_OVR);
1096 	}
1097 
1098 out:
1099 	scf_instance_destroy(inst);
1100 	scf_handle_destroy(h);
1101 	if (ret == -1 && scf_error() == SCF_ERROR_DELETED)
1102 		(void) scf_set_error(SCF_ERROR_NOT_FOUND);
1103 	return (ret);
1104 }
1105 
1106 /*
1107  * Create and return a pg from the instance associated with the given handle.
1108  * This function is only called in scf_transaction_setup and
1109  * scf_transaction_restart where the h->rh_instance pointer is properly filled
1110  * in by scf_general_setup_pg().
1111  */
1112 static scf_propertygroup_t *
1113 get_instance_pg(scf_simple_handle_t *simple_h)
1114 {
1115 	scf_propertygroup_t	*ret_pg = scf_pg_create(simple_h->h);
1116 	char			*pg_name;
1117 	ssize_t			namelen;
1118 
1119 	if (ret_pg == NULL) {
1120 		return (NULL);
1121 	}
1122 
1123 	namelen = scf_limit(SCF_LIMIT_MAX_NAME_LENGTH) + 1;
1124 	assert(namelen > 0);
1125 
1126 	if ((pg_name = malloc(namelen)) == NULL) {
1127 		if (scf_error() == SCF_ERROR_NOT_SET) {
1128 			(void) scf_set_error(SCF_ERROR_NO_MEMORY);
1129 		}
1130 		return (NULL);
1131 	}
1132 
1133 	if (scf_pg_get_name(simple_h->running_pg, pg_name, namelen) < 0) {
1134 		if (scf_error() == SCF_ERROR_NOT_SET) {
1135 			(void) scf_set_error(SCF_ERROR_INTERNAL);
1136 		}
1137 		return (NULL);
1138 	}
1139 
1140 	/* Get pg from instance */
1141 	if (scf_instance_get_pg(simple_h->inst, pg_name, ret_pg) == -1) {
1142 		return (NULL);
1143 	}
1144 
1145 	return (ret_pg);
1146 }
1147 
1148 int
1149 smf_enable_instance(const char *fmri, int flags)
1150 {
1151 	return (set_inst_enabled_flags(fmri, flags, B_TRUE));
1152 }
1153 
1154 int
1155 smf_disable_instance(const char *fmri, int flags)
1156 {
1157 	return (set_inst_enabled_flags(fmri, flags, B_FALSE));
1158 }
1159 
1160 int
1161 _smf_refresh_instance_i(scf_instance_t *inst)
1162 {
1163 	return (set_inst_action_inst(inst, SCF_PROPERTY_REFRESH));
1164 }
1165 
1166 int
1167 _smf_refresh_all_instances(scf_service_t *s)
1168 {
1169 	scf_handle_t	*h = scf_service_handle(s);
1170 	scf_instance_t	*i = scf_instance_create(h);
1171 	scf_iter_t	*it = scf_iter_create(h);
1172 	int err, r = -1;
1173 
1174 	if (h == NULL || i == NULL || it == NULL)
1175 		goto error;
1176 
1177 	if (scf_iter_service_instances(it, s) != 0)
1178 		goto error;
1179 
1180 	while ((err = scf_iter_next_instance(it, i)) == 1)
1181 		if (_smf_refresh_instance_i(i) != 0)
1182 			goto error;
1183 
1184 	if (err == -1)
1185 		goto error;
1186 
1187 	r = 0;
1188 error:
1189 	scf_instance_destroy(i);
1190 	scf_iter_destroy(it);
1191 
1192 	return (r);
1193 }
1194 
1195 int
1196 smf_refresh_instance(const char *instance)
1197 {
1198 	return (set_inst_action(instance, SCF_PROPERTY_REFRESH));
1199 }
1200 
1201 int
1202 smf_restart_instance(const char *instance)
1203 {
1204 	return (set_inst_action(instance, SCF_PROPERTY_RESTART));
1205 }
1206 
1207 int
1208 smf_maintain_instance(const char *instance, int flags)
1209 {
1210 	if (flags & SMF_TEMPORARY)
1211 		return (set_inst_action(instance,
1212 		    (flags & SMF_IMMEDIATE) ?
1213 		    SCF_PROPERTY_MAINT_ON_IMMTEMP :
1214 		    SCF_PROPERTY_MAINT_ON_TEMPORARY));
1215 	else
1216 		return (set_inst_action(instance,
1217 		    (flags & SMF_IMMEDIATE) ?
1218 		    SCF_PROPERTY_MAINT_ON_IMMEDIATE :
1219 		    SCF_PROPERTY_MAINT_ON));
1220 }
1221 
1222 int
1223 smf_degrade_instance(const char *instance, int flags)
1224 {
1225 	scf_simple_prop_t		*prop;
1226 	const char			*state_str;
1227 
1228 	if (flags & SMF_TEMPORARY)
1229 		return (scf_set_error(SCF_ERROR_INVALID_ARGUMENT));
1230 
1231 	if ((prop = scf_simple_prop_get(NULL, instance, SCF_PG_RESTARTER,
1232 	    SCF_PROPERTY_STATE)) == NULL)
1233 		return (SCF_FAILED);
1234 
1235 	if ((state_str = scf_simple_prop_next_astring(prop)) == NULL) {
1236 		scf_simple_prop_free(prop);
1237 		return (SCF_FAILED);
1238 	}
1239 
1240 	if (strcmp(state_str, SCF_STATE_STRING_ONLINE) != 0) {
1241 		scf_simple_prop_free(prop);
1242 		return (scf_set_error(SCF_ERROR_CONSTRAINT_VIOLATED));
1243 	}
1244 	scf_simple_prop_free(prop);
1245 
1246 	return (set_inst_action(instance, (flags & SMF_IMMEDIATE) ?
1247 	    SCF_PROPERTY_DEGRADE_IMMEDIATE : SCF_PROPERTY_DEGRADED));
1248 }
1249 
1250 int
1251 smf_restore_instance(const char *instance)
1252 {
1253 	scf_simple_prop_t		*prop;
1254 	const char			*state_str;
1255 	int				ret;
1256 
1257 	if ((prop = scf_simple_prop_get(NULL, instance, SCF_PG_RESTARTER,
1258 	    SCF_PROPERTY_STATE)) == NULL)
1259 		return (SCF_FAILED);
1260 
1261 	if ((state_str = scf_simple_prop_next_astring(prop)) == NULL) {
1262 		scf_simple_prop_free(prop);
1263 		return (SCF_FAILED);
1264 	}
1265 
1266 	if (strcmp(state_str, SCF_STATE_STRING_MAINT) == 0) {
1267 		ret = set_inst_action(instance, SCF_PROPERTY_MAINT_OFF);
1268 	} else if (strcmp(state_str, SCF_STATE_STRING_DEGRADED) == 0) {
1269 		ret = set_inst_action(instance, SCF_PROPERTY_RESTORE);
1270 	} else {
1271 		ret = scf_set_error(SCF_ERROR_CONSTRAINT_VIOLATED);
1272 	}
1273 
1274 	scf_simple_prop_free(prop);
1275 	return (ret);
1276 }
1277 
1278 char *
1279 smf_get_state(const char *instance)
1280 {
1281 	scf_simple_prop_t		*prop;
1282 	const char			*state_str;
1283 	char				*ret;
1284 
1285 	if ((prop = scf_simple_prop_get(NULL, instance, SCF_PG_RESTARTER,
1286 	    SCF_PROPERTY_STATE)) == NULL)
1287 		return (NULL);
1288 
1289 	if ((state_str = scf_simple_prop_next_astring(prop)) == NULL) {
1290 		scf_simple_prop_free(prop);
1291 		return (NULL);
1292 	}
1293 
1294 	if ((ret = strdup(state_str)) == NULL)
1295 		(void) scf_set_error(SCF_ERROR_NO_MEMORY);
1296 
1297 	scf_simple_prop_free(prop);
1298 	return (ret);
1299 }
1300 
1301 /*
1302  * scf_general_pg_setup(fmri, pg_name)
1303  * Create a scf_simple_handle_t and fill in the instance, snapshot, and
1304  * property group fields associated with the given fmri and property group
1305  * name.
1306  * Returns:
1307  *      Handle  on success
1308  *      Null  on error with scf_error set to:
1309  *              SCF_ERROR_HANDLE_MISMATCH,
1310  *              SCF_ERROR_INVALID_ARGUMENT,
1311  *              SCF_ERROR_CONSTRAINT_VIOLATED,
1312  *              SCF_ERROR_NOT_FOUND,
1313  *              SCF_ERROR_NOT_SET,
1314  *              SCF_ERROR_DELETED,
1315  *              SCF_ERROR_NOT_BOUND,
1316  *              SCF_ERROR_CONNECTION_BROKEN,
1317  *              SCF_ERROR_INTERNAL,
1318  *              SCF_ERROR_NO_RESOURCES,
1319  *              SCF_ERROR_BACKEND_ACCESS
1320  */
1321 scf_simple_handle_t *
1322 scf_general_pg_setup(const char *fmri, const char *pg_name)
1323 {
1324 	scf_simple_handle_t	*ret;
1325 
1326 	ret = uu_zalloc(sizeof (*ret));
1327 	if (ret == NULL) {
1328 		(void) scf_set_error(SCF_ERROR_NO_MEMORY);
1329 		return (NULL);
1330 	} else {
1331 
1332 		ret->h = _scf_handle_create_and_bind(SCF_VERSION);
1333 		ret->inst = scf_instance_create(ret->h);
1334 		ret->snap = scf_snapshot_create(ret->h);
1335 		ret->running_pg = scf_pg_create(ret->h);
1336 	}
1337 
1338 	if ((ret->h == NULL) || (ret->inst == NULL) ||
1339 	    (ret->snap == NULL) || (ret->running_pg == NULL)) {
1340 		goto out;
1341 	}
1342 
1343 	if (scf_handle_decode_fmri(ret->h, fmri, NULL, NULL, ret->inst,
1344 	    NULL, NULL, NULL) == -1) {
1345 		goto out;
1346 	}
1347 
1348 	if ((scf_instance_get_snapshot(ret->inst, "running", ret->snap))
1349 	    != 0) {
1350 		goto out;
1351 	}
1352 
1353 	if (scf_instance_get_pg_composed(ret->inst, ret->snap, pg_name,
1354 	    ret->running_pg) != 0) {
1355 		goto out;
1356 	}
1357 
1358 	return (ret);
1359 
1360 out:
1361 	scf_simple_handle_destroy(ret);
1362 	return (NULL);
1363 }
1364 
1365 /*
1366  * scf_transaction_setup(h)
1367  * creates and starts the transaction
1368  * Returns:
1369  *      transaction  on success
1370  *      NULL on failure with scf_error set to:
1371  *      SCF_ERROR_NO_MEMORY,
1372  *	SCF_ERROR_INVALID_ARGUMENT,
1373  *      SCF_ERROR_HANDLE_DESTROYED,
1374  *	SCF_ERROR_INTERNAL,
1375  *	SCF_ERROR_NO_RESOURCES,
1376  *      SCF_ERROR_NOT_BOUND,
1377  *	SCF_ERROR_CONNECTION_BROKEN,
1378  *      SCF_ERROR_NOT_SET,
1379  *	SCF_ERROR_DELETED,
1380  *	SCF_ERROR_CONSTRAINT_VIOLATED,
1381  *      SCF_ERROR_HANDLE_MISMATCH,
1382  *	SCF_ERROR_BACKEND_ACCESS,
1383  *	SCF_ERROR_IN_USE
1384  */
1385 scf_transaction_t *
1386 scf_transaction_setup(scf_simple_handle_t *simple_h)
1387 {
1388 	scf_transaction_t	*tx = NULL;
1389 
1390 	if ((tx = scf_transaction_create(simple_h->h)) == NULL) {
1391 		return (NULL);
1392 	}
1393 
1394 	if ((simple_h->editing_pg = get_instance_pg(simple_h)) == NULL) {
1395 		return (NULL);
1396 	}
1397 
1398 	if (scf_transaction_start(tx, simple_h->editing_pg) == -1) {
1399 		scf_pg_destroy(simple_h->editing_pg);
1400 		simple_h->editing_pg = NULL;
1401 		return (NULL);
1402 	}
1403 
1404 	return (tx);
1405 }
1406 
1407 int
1408 scf_transaction_restart(scf_simple_handle_t *simple_h, scf_transaction_t *tx)
1409 {
1410 	scf_transaction_reset(tx);
1411 
1412 	if (scf_pg_update(simple_h->editing_pg) == -1) {
1413 		return (SCF_FAILED);
1414 	}
1415 
1416 	if (scf_transaction_start(tx, simple_h->editing_pg) == -1) {
1417 		return (SCF_FAILED);
1418 	}
1419 
1420 	return (SCF_SUCCESS);
1421 }
1422 
1423 /*
1424  * scf_read_count_property(scf_simple_handle_t *simple_h, char *prop_name,
1425  * uint64_t *ret_count)
1426  *
1427  * For the given property name, return the count value.
1428  * RETURNS:
1429  *	SCF_SUCCESS
1430  *	SCF_FAILED on failure with scf_error() set to:
1431  *		SCF_ERROR_HANDLE_DESTROYED
1432  *		SCF_ERROR_INTERNAL
1433  *		SCF_ERROR_NO_RESOURCES
1434  *		SCF_ERROR_NO_MEMORY
1435  *		SCF_ERROR_HANDLE_MISMATCH
1436  *		SCF_ERROR_INVALID_ARGUMENT
1437  *		SCF_ERROR_NOT_BOUND
1438  *		SCF_ERROR_CONNECTION_BROKEN
1439  *		SCF_ERROR_NOT_SET
1440  *		SCF_ERROR_DELETED
1441  *		SCF_ERROR_BACKEND_ACCESS
1442  *		SCF_ERROR_CONSTRAINT_VIOLATED
1443  *		SCF_ERROR_TYPE_MISMATCH
1444  */
1445 int
1446 scf_read_count_property(
1447 	scf_simple_handle_t	*simple_h,
1448 	char			*prop_name,
1449 	uint64_t		*ret_count)
1450 {
1451 	scf_property_t		*prop = scf_property_create(simple_h->h);
1452 	scf_value_t		*val = scf_value_create(simple_h->h);
1453 	int			ret = SCF_FAILED;
1454 
1455 	if ((val == NULL) || (prop == NULL)) {
1456 		goto out;
1457 	}
1458 
1459 	/*
1460 	 * Get the property struct that goes with this property group and
1461 	 * property name.
1462 	 */
1463 	if (scf_pg_get_property(simple_h->running_pg, prop_name, prop) != 0) {
1464 		goto out;
1465 	}
1466 
1467 	/* Get the value structure */
1468 	if (scf_property_get_value(prop, val) == -1) {
1469 		goto out;
1470 	}
1471 
1472 	/*
1473 	 * Now get the count value.
1474 	 */
1475 	if (scf_value_get_count(val, ret_count) == -1) {
1476 		goto out;
1477 	}
1478 
1479 	ret = SCF_SUCCESS;
1480 
1481 out:
1482 	scf_property_destroy(prop);
1483 	scf_value_destroy(val);
1484 	return (ret);
1485 }
1486 
1487 /*
1488  * scf_trans_add_count_property(trans, propname, count, create_flag)
1489  *
1490  * Set a count property transaction entry into the pending SMF transaction.
1491  * The transaction is created and committed outside of this function.
1492  * Returns:
1493  *	SCF_SUCCESS
1494  *	SCF_FAILED on failure with scf_error() set to:
1495  *			SCF_ERROR_HANDLE_DESTROYED,
1496  *			SCF_ERROR_INVALID_ARGUMENT,
1497  *			SCF_ERROR_NO_MEMORY,
1498  *			SCF_ERROR_HANDLE_MISMATCH,
1499  *			SCF_ERROR_NOT_SET,
1500  *			SCF_ERROR_IN_USE,
1501  *			SCF_ERROR_NOT_FOUND,
1502  *			SCF_ERROR_EXISTS,
1503  *			SCF_ERROR_TYPE_MISMATCH,
1504  *			SCF_ERROR_NOT_BOUND,
1505  *			SCF_ERROR_CONNECTION_BROKEN,
1506  *			SCF_ERROR_INTERNAL,
1507  *			SCF_ERROR_DELETED,
1508  *			SCF_ERROR_NO_RESOURCES,
1509  *			SCF_ERROR_BACKEND_ACCESS
1510  */
1511 int
1512 scf_set_count_property(
1513 	scf_transaction_t	*trans,
1514 	char			*propname,
1515 	uint64_t		count,
1516 	boolean_t		create_flag)
1517 {
1518 	scf_handle_t		*handle = scf_transaction_handle(trans);
1519 	scf_value_t		*value = scf_value_create(handle);
1520 	scf_transaction_entry_t	*entry = scf_entry_create(handle);
1521 
1522 	if ((value == NULL) || (entry == NULL)) {
1523 		return (SCF_FAILED);
1524 	}
1525 
1526 	/*
1527 	 * Property must be set in transaction and won't take
1528 	 * effect until the transaction is committed.
1529 	 *
1530 	 * Attempt to change the current value. However, create new property
1531 	 * if it doesn't exist and the create flag is set.
1532 	 */
1533 	if (scf_transaction_property_change(trans, entry, propname,
1534 	    SCF_TYPE_COUNT) == 0) {
1535 		scf_value_set_count(value, count);
1536 		if (scf_entry_add_value(entry, value) == 0) {
1537 			return (SCF_SUCCESS);
1538 		}
1539 	} else {
1540 		if ((create_flag == B_TRUE) &&
1541 		    (scf_error() == SCF_ERROR_NOT_FOUND)) {
1542 			if (scf_transaction_property_new(trans, entry, propname,
1543 			    SCF_TYPE_COUNT) == 0) {
1544 				scf_value_set_count(value, count);
1545 				if (scf_entry_add_value(entry, value) == 0) {
1546 					return (SCF_SUCCESS);
1547 				}
1548 			}
1549 		}
1550 	}
1551 
1552 	/*
1553 	 * cleanup if there were any errors that didn't leave these
1554 	 * values where they would be cleaned up later.
1555 	 */
1556 	if (value != NULL)
1557 		scf_value_destroy(value);
1558 	if (entry != NULL)
1559 		scf_entry_destroy(entry);
1560 	return (SCF_FAILED);
1561 }
1562 
1563 int
1564 scf_simple_walk_instances(uint_t state_flags, void *private,
1565     int (*inst_callback)(scf_handle_t *, scf_instance_t *, void *))
1566 {
1567 	scf_scope_t 		*scope = NULL;
1568 	scf_service_t		*svc = NULL;
1569 	scf_instance_t		*inst = NULL;
1570 	scf_iter_t		*svc_iter = NULL, *inst_iter = NULL;
1571 	scf_handle_t		*h = NULL;
1572 	int			ret = SCF_FAILED;
1573 	int			svc_iter_ret, inst_iter_ret;
1574 	int			inst_state;
1575 
1576 	if ((h = _scf_handle_create_and_bind(SCF_VERSION)) == NULL)
1577 		return (ret);
1578 
1579 	if (((scope = scf_scope_create(h)) == NULL) ||
1580 	    ((svc = scf_service_create(h)) == NULL) ||
1581 	    ((inst = scf_instance_create(h)) == NULL) ||
1582 	    ((svc_iter = scf_iter_create(h)) == NULL) ||
1583 	    ((inst_iter = scf_iter_create(h)) == NULL))
1584 		goto out;
1585 
1586 	/*
1587 	 * Get the local scope, and set up nested iteration through every
1588 	 * local service, and every instance of every service.
1589 	 */
1590 
1591 	if ((scf_handle_get_local_scope(h, scope) != SCF_SUCCESS) ||
1592 	    (scf_iter_scope_services(svc_iter, scope) != SCF_SUCCESS))
1593 		goto out;
1594 
1595 	while ((svc_iter_ret = scf_iter_next_service(svc_iter, svc)) > 0) {
1596 
1597 		if ((scf_iter_service_instances(inst_iter, svc)) !=
1598 		    SCF_SUCCESS)
1599 			goto out;
1600 
1601 		while ((inst_iter_ret =
1602 		    scf_iter_next_instance(inst_iter, inst)) > 0) {
1603 			/*
1604 			 * If get_inst_state fails from an internal error,
1605 			 * IE, being unable to get the property group or
1606 			 * property containing the state of the instance,
1607 			 * we continue instead of failing, as this might just
1608 			 * be an improperly configured instance.
1609 			 */
1610 			if ((inst_state = get_inst_state(inst, h)) == -1) {
1611 				if (scf_error() == SCF_ERROR_INTERNAL) {
1612 					continue;
1613 				} else {
1614 					goto out;
1615 				}
1616 			}
1617 
1618 			if ((uint_t)inst_state & state_flags) {
1619 				if (inst_callback(h, inst, private) !=
1620 				    SCF_SUCCESS) {
1621 					(void) scf_set_error(
1622 					    SCF_ERROR_CALLBACK_FAILED);
1623 					goto out;
1624 				}
1625 			}
1626 		}
1627 
1628 		if (inst_iter_ret == -1)
1629 			goto out;
1630 		scf_iter_reset(inst_iter);
1631 	}
1632 
1633 	if (svc_iter_ret != -1)
1634 		ret = SCF_SUCCESS;
1635 
1636 out:
1637 	scf_scope_destroy(scope);
1638 	scf_service_destroy(svc);
1639 	scf_instance_destroy(inst);
1640 	scf_iter_destroy(svc_iter);
1641 	scf_iter_destroy(inst_iter);
1642 	scf_handle_destroy(h);
1643 
1644 	return (ret);
1645 }
1646 
1647 
1648 scf_simple_prop_t *
1649 scf_simple_prop_get(scf_handle_t *hin, const char *instance, const char *pgname,
1650 			const char *propname)
1651 {
1652 	char 			*fmri_buf, *svcfmri = NULL;
1653 	ssize_t 		fmri_sz;
1654 	scf_property_t 		*prop = NULL;
1655 	scf_service_t 		*svc = NULL;
1656 	scf_simple_prop_t 	*ret;
1657 	scf_handle_t		*h = NULL;
1658 	boolean_t		local_h = B_TRUE;
1659 
1660 	/* If the user passed in a handle, use it. */
1661 	if (hin != NULL) {
1662 		h = hin;
1663 		local_h = B_FALSE;
1664 	}
1665 
1666 	if (local_h && ((h = _scf_handle_create_and_bind(SCF_VERSION)) == NULL))
1667 		return (NULL);
1668 
1669 	if ((fmri_buf = assemble_fmri(h, instance, pgname, propname)) == NULL) {
1670 		if (local_h)
1671 			scf_handle_destroy(h);
1672 		return (NULL);
1673 	}
1674 
1675 	if ((svc = scf_service_create(h)) == NULL ||
1676 	    (prop = scf_property_create(h)) == NULL)
1677 		goto error1;
1678 	if (scf_handle_decode_fmri(h, fmri_buf, NULL, NULL, NULL, NULL, prop,
1679 	    SCF_DECODE_FMRI_REQUIRE_INSTANCE) == -1) {
1680 		switch (scf_error()) {
1681 		/*
1682 		 * If the property isn't found in the instance, we grab the
1683 		 * underlying service, create an FMRI out of it, and then
1684 		 * query the datastore again at the service level for the
1685 		 * property.
1686 		 */
1687 		case SCF_ERROR_NOT_FOUND:
1688 			if (scf_handle_decode_fmri(h, fmri_buf, NULL, svc,
1689 			    NULL, NULL, NULL, SCF_DECODE_FMRI_TRUNCATE) == -1)
1690 				goto error1;
1691 
1692 			fmri_sz = scf_limit(SCF_LIMIT_MAX_FMRI_LENGTH) + 1;
1693 			assert(fmri_sz > 0);
1694 
1695 			if (scf_service_to_fmri(svc, fmri_buf, fmri_sz) == -1)
1696 				goto error1;
1697 			if ((svcfmri = assemble_fmri(h, fmri_buf, pgname,
1698 			    propname)) == NULL)
1699 				goto error1;
1700 			if (scf_handle_decode_fmri(h, svcfmri, NULL, NULL,
1701 			    NULL, NULL, prop, 0) == -1) {
1702 				free(svcfmri);
1703 				goto error1;
1704 			}
1705 			free(svcfmri);
1706 			break;
1707 		case SCF_ERROR_CONSTRAINT_VIOLATED:
1708 			(void) scf_set_error(SCF_ERROR_INVALID_ARGUMENT);
1709 		default:
1710 			goto error1;
1711 		}
1712 	}
1713 	/*
1714 	 * At this point, we've successfully pulled the property from the
1715 	 * datastore, and simply need to copy its innards into an
1716 	 * scf_simple_prop_t.
1717 	 */
1718 	if ((ret = fill_prop(prop, pgname, propname, h)) == NULL)
1719 		goto error1;
1720 
1721 	scf_service_destroy(svc);
1722 	scf_property_destroy(prop);
1723 	free(fmri_buf);
1724 	if (local_h)
1725 		scf_handle_destroy(h);
1726 	return (ret);
1727 
1728 	/*
1729 	 * Exit point for a successful call.  Below this line are exit points
1730 	 * for failures at various stages during the function.
1731 	 */
1732 
1733 error1:
1734 	scf_service_destroy(svc);
1735 	scf_property_destroy(prop);
1736 error2:
1737 	free(fmri_buf);
1738 	if (local_h)
1739 		scf_handle_destroy(h);
1740 	return (NULL);
1741 }
1742 
1743 
1744 void
1745 scf_simple_prop_free(scf_simple_prop_t *prop)
1746 {
1747 	int i;
1748 
1749 	if (prop == NULL)
1750 		return;
1751 
1752 	free(prop->pr_propname);
1753 	free(prop->pr_pgname);
1754 	switch (prop->pr_type) {
1755 	case SCF_TYPE_OPAQUE: {
1756 		for (i = 0; i < prop->pr_numvalues; i++) {
1757 			free(prop->pr_vallist[i].pv_opaque.o_value);
1758 		}
1759 		break;
1760 	}
1761 	case SCF_TYPE_ASTRING:
1762 	case SCF_TYPE_USTRING:
1763 	case SCF_TYPE_HOST:
1764 	case SCF_TYPE_HOSTNAME:
1765 	case SCF_TYPE_NET_ADDR:
1766 	case SCF_TYPE_NET_ADDR_V4:
1767 	case SCF_TYPE_NET_ADDR_V6:
1768 	case SCF_TYPE_URI:
1769 	case SCF_TYPE_FMRI: {
1770 		for (i = 0; i < prop->pr_numvalues; i++) {
1771 			free(prop->pr_vallist[i].pv_str);
1772 		}
1773 		break;
1774 	}
1775 	default:
1776 		break;
1777 	}
1778 	free(prop->pr_vallist);
1779 	free(prop);
1780 }
1781 
1782 
1783 scf_simple_app_props_t *
1784 scf_simple_app_props_get(scf_handle_t *hin, const char *inst_fmri)
1785 {
1786 	scf_instance_t 		*inst = NULL;
1787 	scf_service_t 		*svc = NULL;
1788 	scf_propertygroup_t 	*pg = NULL;
1789 	scf_property_t 		*prop = NULL;
1790 	scf_simple_app_props_t	*ret = NULL;
1791 	scf_iter_t		*pgiter = NULL, *propiter = NULL;
1792 	struct scf_simple_pg	*thispg = NULL, *nextpg;
1793 	scf_simple_prop_t	*thisprop, *nextprop;
1794 	scf_handle_t		*h = NULL;
1795 	int			pgiter_ret, propiter_ret;
1796 	ssize_t			namelen;
1797 	char 			*propname = NULL, *pgname = NULL, *sys_fmri;
1798 	uint8_t			found;
1799 	boolean_t		local_h = B_TRUE;
1800 
1801 	/* If the user passed in a handle, use it. */
1802 	if (hin != NULL) {
1803 		h = hin;
1804 		local_h = B_FALSE;
1805 	}
1806 
1807 	if (local_h && ((h = _scf_handle_create_and_bind(SCF_VERSION)) == NULL))
1808 		return (NULL);
1809 
1810 	if (inst_fmri == NULL) {
1811 		if ((namelen = scf_myname(h, NULL, 0)) == -1) {
1812 			if (local_h)
1813 				scf_handle_destroy(h);
1814 			return (NULL);
1815 		}
1816 		if ((sys_fmri = malloc(namelen + 1)) == NULL) {
1817 			if (local_h)
1818 				scf_handle_destroy(h);
1819 			(void) scf_set_error(SCF_ERROR_NO_MEMORY);
1820 			return (NULL);
1821 		}
1822 		if (scf_myname(h, sys_fmri, namelen + 1) == -1) {
1823 			if (local_h)
1824 				scf_handle_destroy(h);
1825 			free(sys_fmri);
1826 			return (NULL);
1827 		}
1828 	} else {
1829 		if ((sys_fmri = strdup(inst_fmri)) == NULL) {
1830 			if (local_h)
1831 				scf_handle_destroy(h);
1832 			(void) scf_set_error(SCF_ERROR_NO_MEMORY);
1833 			return (NULL);
1834 		}
1835 	}
1836 
1837 	namelen = scf_limit(SCF_LIMIT_MAX_NAME_LENGTH) + 1;
1838 	assert(namelen > 0);
1839 
1840 	if ((inst = scf_instance_create(h)) == NULL ||
1841 	    (svc = scf_service_create(h)) == NULL ||
1842 	    (pgiter = scf_iter_create(h)) == NULL ||
1843 	    (propiter = scf_iter_create(h)) == NULL ||
1844 	    (pg = scf_pg_create(h)) == NULL ||
1845 	    (prop = scf_property_create(h)) == NULL)
1846 		goto error2;
1847 
1848 	if (scf_handle_decode_fmri(h, sys_fmri, NULL, svc, inst, NULL, NULL,
1849 	    SCF_DECODE_FMRI_REQUIRE_INSTANCE) == -1) {
1850 		if (scf_error() == SCF_ERROR_CONSTRAINT_VIOLATED)
1851 			(void) scf_set_error(SCF_ERROR_INVALID_ARGUMENT);
1852 		goto error2;
1853 	}
1854 
1855 	if ((ret = malloc(sizeof (*ret))) == NULL ||
1856 	    (thispg = malloc(sizeof (*thispg))) == NULL ||
1857 	    (propname = malloc(namelen)) == NULL ||
1858 	    (pgname = malloc(namelen)) == NULL) {
1859 		free(thispg);
1860 		free(ret);
1861 		(void) scf_set_error(SCF_ERROR_NO_MEMORY);
1862 		goto error2;
1863 	}
1864 
1865 	ret->ap_fmri = sys_fmri;
1866 	thispg->pg_name = NULL;
1867 	thispg->pg_proplist = NULL;
1868 	thispg->pg_next = NULL;
1869 	ret->ap_pglist = thispg;
1870 
1871 	if (scf_iter_service_pgs_typed(pgiter, svc, SCF_GROUP_APPLICATION) !=
1872 	    0) {
1873 		if (scf_error() != SCF_ERROR_CONNECTION_BROKEN)
1874 			(void) scf_set_error(SCF_ERROR_INTERNAL);
1875 		goto error1;
1876 	}
1877 
1878 	while ((pgiter_ret = scf_iter_next_pg(pgiter, pg)) == 1) {
1879 		if (thispg->pg_name != NULL) {
1880 			if ((nextpg = malloc(sizeof (*nextpg))) == NULL) {
1881 				(void) scf_set_error(SCF_ERROR_NO_MEMORY);
1882 				goto error1;
1883 			}
1884 			nextpg->pg_name = NULL;
1885 			nextpg->pg_next = NULL;
1886 			nextpg->pg_proplist = NULL;
1887 			thispg->pg_next = nextpg;
1888 			thispg = nextpg;
1889 		} else {
1890 			/* This is the first iteration */
1891 			nextpg = thispg;
1892 		}
1893 
1894 		if ((nextpg->pg_name = malloc(namelen)) == NULL) {
1895 			(void) scf_set_error(SCF_ERROR_NO_MEMORY);
1896 			goto error1;
1897 		}
1898 
1899 		if (scf_pg_get_name(pg, nextpg->pg_name, namelen) < 0) {
1900 			if (scf_error() == SCF_ERROR_NOT_SET)
1901 				(void) scf_set_error(SCF_ERROR_INTERNAL);
1902 			goto error1;
1903 		}
1904 
1905 		thisprop = NULL;
1906 
1907 		scf_iter_reset(propiter);
1908 
1909 		if (scf_iter_pg_properties(propiter, pg) != 0) {
1910 			if (scf_error() != SCF_ERROR_CONNECTION_BROKEN)
1911 				(void) scf_set_error(SCF_ERROR_INTERNAL);
1912 			goto error1;
1913 		}
1914 
1915 		while ((propiter_ret = scf_iter_next_property(propiter, prop))
1916 		    == 1) {
1917 			if (scf_property_get_name(prop, propname, namelen) <
1918 			    0) {
1919 				if (scf_error() == SCF_ERROR_NOT_SET)
1920 					(void) scf_set_error(
1921 					    SCF_ERROR_INTERNAL);
1922 				goto error1;
1923 			}
1924 			if (thisprop != NULL) {
1925 				if ((nextprop = fill_prop(prop,
1926 				    nextpg->pg_name, propname, h)) == NULL)
1927 					goto error1;
1928 				thisprop->pr_next = nextprop;
1929 				thisprop = nextprop;
1930 			} else {
1931 				/* This is the first iteration */
1932 				if ((thisprop = fill_prop(prop,
1933 				    nextpg->pg_name, propname, h)) == NULL)
1934 					goto error1;
1935 				nextpg->pg_proplist = thisprop;
1936 				nextprop = thisprop;
1937 			}
1938 			nextprop->pr_pg = nextpg;
1939 			nextprop->pr_next = NULL;
1940 		}
1941 
1942 		if (propiter_ret == -1) {
1943 			if (scf_error() != SCF_ERROR_CONNECTION_BROKEN)
1944 				(void) scf_set_error(SCF_ERROR_INTERNAL);
1945 			goto error1;
1946 		}
1947 	}
1948 
1949 	if (pgiter_ret == -1) {
1950 		if (scf_error() != SCF_ERROR_CONNECTION_BROKEN)
1951 			(void) scf_set_error(SCF_ERROR_INTERNAL);
1952 		goto error1;
1953 	}
1954 
1955 	/*
1956 	 * At this point, we've filled the scf_simple_app_props_t with all the
1957 	 * properties at the service level.  Now we iterate over all the
1958 	 * properties at the instance level, overwriting any duplicate
1959 	 * properties, in order to provide service/instance composition.
1960 	 */
1961 
1962 	scf_iter_reset(pgiter);
1963 	scf_iter_reset(propiter);
1964 
1965 	if (scf_iter_instance_pgs_typed(pgiter, inst, SCF_GROUP_APPLICATION)
1966 	    != 0) {
1967 		if (scf_error() != SCF_ERROR_CONNECTION_BROKEN)
1968 			(void) scf_set_error(SCF_ERROR_INTERNAL);
1969 		goto error1;
1970 	}
1971 
1972 	while ((pgiter_ret = scf_iter_next_pg(pgiter, pg)) == 1) {
1973 
1974 		thispg = ret->ap_pglist;
1975 		found = 0;
1976 
1977 		/*
1978 		 * Find either the end of the list, so we can append the
1979 		 * property group, or an existing property group that matches
1980 		 * it, so we can insert/overwrite its properties.
1981 		 */
1982 
1983 		if (scf_pg_get_name(pg, pgname, namelen) < 0) {
1984 			if (scf_error() == SCF_ERROR_NOT_SET)
1985 				(void) scf_set_error(SCF_ERROR_INTERNAL);
1986 			goto error1;
1987 		}
1988 
1989 		while ((thispg != NULL) && (thispg->pg_name != NULL)) {
1990 			if (strcmp(thispg->pg_name, pgname) == 0) {
1991 				found = 1;
1992 				break;
1993 			}
1994 			if (thispg->pg_next == NULL)
1995 				break;
1996 
1997 			thispg = thispg->pg_next;
1998 		}
1999 
2000 		scf_iter_reset(propiter);
2001 
2002 		if (scf_iter_pg_properties(propiter, pg) != 0) {
2003 			if (scf_error() != SCF_ERROR_CONNECTION_BROKEN)
2004 				(void) scf_set_error(SCF_ERROR_INTERNAL);
2005 			goto error1;
2006 		}
2007 
2008 		if (found) {
2009 			/*
2010 			 * insert_app_props inserts or overwrites the
2011 			 * properties in thispg.
2012 			 */
2013 
2014 			if (insert_app_props(propiter, pgname, propname,
2015 			    thispg, prop, namelen, h) == -1)
2016 				goto error1;
2017 
2018 		} else {
2019 			/*
2020 			 * If the property group wasn't found, we're adding
2021 			 * a newly allocated property group to the end of the
2022 			 * list.
2023 			 */
2024 
2025 			if ((nextpg = malloc(sizeof (*nextpg))) == NULL) {
2026 				(void) scf_set_error(SCF_ERROR_NO_MEMORY);
2027 				goto error1;
2028 			}
2029 			nextpg->pg_next = NULL;
2030 			nextpg->pg_proplist = NULL;
2031 			thisprop = NULL;
2032 
2033 			if ((nextpg->pg_name = strdup(pgname)) == NULL) {
2034 				(void) scf_set_error(SCF_ERROR_NO_MEMORY);
2035 				free(nextpg);
2036 				goto error1;
2037 			}
2038 
2039 			if (thispg->pg_name == NULL) {
2040 				free(thispg);
2041 				ret->ap_pglist = nextpg;
2042 			} else {
2043 				thispg->pg_next = nextpg;
2044 			}
2045 
2046 			while ((propiter_ret =
2047 			    scf_iter_next_property(propiter, prop)) == 1) {
2048 				if (scf_property_get_name(prop, propname,
2049 				    namelen) < 0) {
2050 					if (scf_error() == SCF_ERROR_NOT_SET)
2051 						(void) scf_set_error(
2052 						    SCF_ERROR_INTERNAL);
2053 					goto error1;
2054 				}
2055 				if (thisprop != NULL) {
2056 					if ((nextprop = fill_prop(prop,
2057 					    pgname, propname, h)) ==
2058 					    NULL)
2059 						goto error1;
2060 					thisprop->pr_next = nextprop;
2061 					thisprop = nextprop;
2062 				} else {
2063 					/* This is the first iteration */
2064 					if ((thisprop = fill_prop(prop,
2065 					    pgname, propname, h)) ==
2066 					    NULL)
2067 						goto error1;
2068 					nextpg->pg_proplist = thisprop;
2069 					nextprop = thisprop;
2070 				}
2071 				nextprop->pr_pg = nextpg;
2072 				nextprop->pr_next = NULL;
2073 			}
2074 
2075 			if (propiter_ret == -1) {
2076 				if (scf_error() != SCF_ERROR_CONNECTION_BROKEN)
2077 					(void) scf_set_error(
2078 					    SCF_ERROR_INTERNAL);
2079 				goto error1;
2080 			}
2081 		}
2082 
2083 	}
2084 
2085 	if (pgiter_ret == -1) {
2086 		if (scf_error() != SCF_ERROR_CONNECTION_BROKEN)
2087 			(void) scf_set_error(SCF_ERROR_INTERNAL);
2088 		goto error1;
2089 	}
2090 
2091 	scf_iter_destroy(pgiter);
2092 	scf_iter_destroy(propiter);
2093 	scf_pg_destroy(pg);
2094 	scf_property_destroy(prop);
2095 	scf_instance_destroy(inst);
2096 	scf_service_destroy(svc);
2097 	free(propname);
2098 	free(pgname);
2099 	if (local_h)
2100 		scf_handle_destroy(h);
2101 
2102 	if (ret->ap_pglist->pg_name == NULL)
2103 		return (NULL);
2104 
2105 	return (ret);
2106 
2107 	/*
2108 	 * Exit point for a successful call.  Below this line are exit points
2109 	 * for failures at various stages during the function.
2110 	 */
2111 
2112 error1:
2113 	scf_simple_app_props_free(ret);
2114 
2115 error2:
2116 	scf_iter_destroy(pgiter);
2117 	scf_iter_destroy(propiter);
2118 	scf_pg_destroy(pg);
2119 	scf_property_destroy(prop);
2120 	scf_instance_destroy(inst);
2121 	scf_service_destroy(svc);
2122 	free(propname);
2123 	free(pgname);
2124 	if (local_h)
2125 		scf_handle_destroy(h);
2126 	return (NULL);
2127 }
2128 
2129 
2130 void
2131 scf_simple_app_props_free(scf_simple_app_props_t *propblock)
2132 {
2133 	struct scf_simple_pg 	*pgthis, *pgnext;
2134 	scf_simple_prop_t 	*propthis, *propnext;
2135 
2136 	if ((propblock == NULL) || (propblock->ap_pglist == NULL))
2137 		return;
2138 
2139 	for (pgthis = propblock->ap_pglist; pgthis != NULL; pgthis = pgnext) {
2140 		pgnext = pgthis->pg_next;
2141 
2142 		propthis = pgthis->pg_proplist;
2143 
2144 		while (propthis != NULL) {
2145 			propnext = propthis->pr_next;
2146 			scf_simple_prop_free(propthis);
2147 			propthis = propnext;
2148 		}
2149 
2150 		free(pgthis->pg_name);
2151 		free(pgthis);
2152 	}
2153 
2154 	free(propblock->ap_fmri);
2155 	free(propblock);
2156 }
2157 
2158 const scf_simple_prop_t *
2159 scf_simple_app_props_next(const scf_simple_app_props_t *propblock,
2160     scf_simple_prop_t *last)
2161 {
2162 	struct scf_simple_pg 	*this;
2163 
2164 	if (propblock == NULL) {
2165 		(void) scf_set_error(SCF_ERROR_NOT_SET);
2166 		return (NULL);
2167 	}
2168 
2169 	this = propblock->ap_pglist;
2170 
2171 	/*
2172 	 * We're looking for the first property in this block if last is
2173 	 * NULL
2174 	 */
2175 
2176 	if (last == NULL) {
2177 		/* An empty pglist is legal, it just means no properties */
2178 		if (this == NULL) {
2179 			(void) scf_set_error(SCF_ERROR_NONE);
2180 			return (NULL);
2181 		}
2182 		/*
2183 		 * Walk until we find a pg with a property in it, or we run
2184 		 * out of property groups.
2185 		 */
2186 		while ((this->pg_proplist == NULL) && (this->pg_next != NULL))
2187 			this = this->pg_next;
2188 
2189 		if (this->pg_proplist == NULL) {
2190 			(void) scf_set_error(SCF_ERROR_NONE);
2191 			return (NULL);
2192 		}
2193 
2194 		return (this->pg_proplist);
2195 
2196 	}
2197 	/*
2198 	 * If last isn't NULL, then return the next prop in the property group,
2199 	 * or walk the property groups until we find another property, or
2200 	 * run out of property groups.
2201 	 */
2202 	if (last->pr_next != NULL)
2203 		return (last->pr_next);
2204 
2205 	if (last->pr_pg->pg_next == NULL) {
2206 		(void) scf_set_error(SCF_ERROR_NONE);
2207 		return (NULL);
2208 	}
2209 
2210 	this = last->pr_pg->pg_next;
2211 
2212 	while ((this->pg_proplist == NULL) && (this->pg_next != NULL))
2213 		this = this->pg_next;
2214 
2215 	if (this->pg_proplist == NULL) {
2216 		(void) scf_set_error(SCF_ERROR_NONE);
2217 		return (NULL);
2218 	}
2219 
2220 	return (this->pg_proplist);
2221 }
2222 
2223 const scf_simple_prop_t *
2224 scf_simple_app_props_search(const scf_simple_app_props_t *propblock,
2225     const char *pgname, const char *propname)
2226 {
2227 	struct scf_simple_pg 	*pg;
2228 	scf_simple_prop_t 	*prop;
2229 
2230 	if ((propblock == NULL) || (propname == NULL)) {
2231 		(void) scf_set_error(SCF_ERROR_NOT_SET);
2232 		return (NULL);
2233 	}
2234 
2235 	pg = propblock->ap_pglist;
2236 
2237 	/*
2238 	 * If pgname is NULL, we're searching the default application
2239 	 * property group, otherwise we look for the specified group.
2240 	 */
2241 	if (pgname == NULL) {
2242 		while ((pg != NULL) &&
2243 		    (strcmp(SCF_PG_APP_DEFAULT, pg->pg_name) != 0))
2244 			pg = pg->pg_next;
2245 	} else {
2246 		while ((pg != NULL) && (strcmp(pgname, pg->pg_name) != 0))
2247 			pg = pg->pg_next;
2248 	}
2249 
2250 	if (pg == NULL) {
2251 		(void) scf_set_error(SCF_ERROR_NOT_FOUND);
2252 		return (NULL);
2253 	}
2254 
2255 	prop = pg->pg_proplist;
2256 
2257 	while ((prop != NULL) && (strcmp(propname, prop->pr_propname) != 0))
2258 		prop = prop->pr_next;
2259 
2260 	if (prop == NULL) {
2261 		(void) scf_set_error(SCF_ERROR_NOT_FOUND);
2262 		return (NULL);
2263 	}
2264 
2265 	return (prop);
2266 }
2267 
2268 void
2269 scf_simple_prop_next_reset(scf_simple_prop_t *prop)
2270 {
2271 	if (prop == NULL)
2272 		return;
2273 	prop->pr_iter = 0;
2274 }
2275 
2276 ssize_t
2277 scf_simple_prop_numvalues(const scf_simple_prop_t *prop)
2278 {
2279 	if (prop == NULL)
2280 		return (scf_set_error(SCF_ERROR_NOT_SET));
2281 
2282 	return (prop->pr_numvalues);
2283 }
2284 
2285 
2286 scf_type_t
2287 scf_simple_prop_type(const scf_simple_prop_t *prop)
2288 {
2289 	if (prop == NULL)
2290 		return (scf_set_error(SCF_ERROR_NOT_SET));
2291 
2292 	return (prop->pr_type);
2293 }
2294 
2295 
2296 char *
2297 scf_simple_prop_name(const scf_simple_prop_t *prop)
2298 {
2299 	if ((prop == NULL) || (prop->pr_propname == NULL)) {
2300 		(void) scf_set_error(SCF_ERROR_NOT_SET);
2301 		return (NULL);
2302 	}
2303 
2304 	return (prop->pr_propname);
2305 }
2306 
2307 
2308 char *
2309 scf_simple_prop_pgname(const scf_simple_prop_t *prop)
2310 {
2311 	if ((prop == NULL) || (prop->pr_pgname == NULL)) {
2312 		(void) scf_set_error(SCF_ERROR_NOT_SET);
2313 		return (NULL);
2314 	}
2315 
2316 	return (prop->pr_pgname);
2317 }
2318 
2319 
2320 static union scf_simple_prop_val *
2321 scf_next_val(scf_simple_prop_t *prop, scf_type_t type)
2322 {
2323 	if (prop == NULL) {
2324 		(void) scf_set_error(SCF_ERROR_NOT_SET);
2325 		return (NULL);
2326 	}
2327 
2328 	switch (prop->pr_type) {
2329 	case SCF_TYPE_USTRING:
2330 	case SCF_TYPE_HOST:
2331 	case SCF_TYPE_HOSTNAME:
2332 	case SCF_TYPE_NET_ADDR:
2333 	case SCF_TYPE_NET_ADDR_V4:
2334 	case SCF_TYPE_NET_ADDR_V6:
2335 	case SCF_TYPE_URI:
2336 	case SCF_TYPE_FMRI: {
2337 		if (type != SCF_TYPE_USTRING) {
2338 			(void) scf_set_error(SCF_ERROR_TYPE_MISMATCH);
2339 			return (NULL);
2340 		}
2341 		break;
2342 		}
2343 	default: {
2344 		if (type != prop->pr_type) {
2345 			(void) scf_set_error(SCF_ERROR_TYPE_MISMATCH);
2346 			return (NULL);
2347 		}
2348 		break;
2349 		}
2350 	}
2351 
2352 	if (prop->pr_iter >= prop->pr_numvalues) {
2353 		(void) scf_set_error(SCF_ERROR_NONE);
2354 		return (NULL);
2355 	}
2356 
2357 	return (&prop->pr_vallist[prop->pr_iter++]);
2358 }
2359 
2360 
2361 uint8_t *
2362 scf_simple_prop_next_boolean(scf_simple_prop_t *prop)
2363 {
2364 	union scf_simple_prop_val *ret;
2365 
2366 	ret = scf_next_val(prop, SCF_TYPE_BOOLEAN);
2367 
2368 	if (ret == NULL)
2369 		return (NULL);
2370 
2371 	return (&ret->pv_bool);
2372 }
2373 
2374 
2375 uint64_t *
2376 scf_simple_prop_next_count(scf_simple_prop_t *prop)
2377 {
2378 	union scf_simple_prop_val *ret;
2379 
2380 	ret = scf_next_val(prop, SCF_TYPE_COUNT);
2381 
2382 	if (ret == NULL)
2383 		return (NULL);
2384 
2385 	return (&ret->pv_uint);
2386 }
2387 
2388 
2389 int64_t *
2390 scf_simple_prop_next_integer(scf_simple_prop_t *prop)
2391 {
2392 	union scf_simple_prop_val *ret;
2393 
2394 	ret = scf_next_val(prop, SCF_TYPE_INTEGER);
2395 
2396 	if (ret == NULL)
2397 		return (NULL);
2398 
2399 	return (&ret->pv_int);
2400 }
2401 
2402 int64_t *
2403 scf_simple_prop_next_time(scf_simple_prop_t *prop, int32_t *nsec)
2404 {
2405 	union scf_simple_prop_val *ret;
2406 
2407 	ret = scf_next_val(prop, SCF_TYPE_TIME);
2408 
2409 	if (ret == NULL)
2410 		return (NULL);
2411 
2412 	if (nsec != NULL)
2413 		*nsec = ret->pv_time.t_nsec;
2414 
2415 	return (&ret->pv_time.t_sec);
2416 }
2417 
2418 char *
2419 scf_simple_prop_next_astring(scf_simple_prop_t *prop)
2420 {
2421 	union scf_simple_prop_val *ret;
2422 
2423 	ret = scf_next_val(prop, SCF_TYPE_ASTRING);
2424 
2425 	if (ret == NULL)
2426 		return (NULL);
2427 
2428 	return (ret->pv_str);
2429 }
2430 
2431 char *
2432 scf_simple_prop_next_ustring(scf_simple_prop_t *prop)
2433 {
2434 	union scf_simple_prop_val *ret;
2435 
2436 	ret = scf_next_val(prop, SCF_TYPE_USTRING);
2437 
2438 	if (ret == NULL)
2439 		return (NULL);
2440 
2441 	return (ret->pv_str);
2442 }
2443 
2444 void *
2445 scf_simple_prop_next_opaque(scf_simple_prop_t *prop, size_t *length)
2446 {
2447 	union scf_simple_prop_val *ret;
2448 
2449 	ret = scf_next_val(prop, SCF_TYPE_OPAQUE);
2450 
2451 	if (ret == NULL) {
2452 		*length = 0;
2453 		return (NULL);
2454 	}
2455 
2456 	*length = ret->pv_opaque.o_size;
2457 	return (ret->pv_opaque.o_value);
2458 }
2459 
2460 /*
2461  * Generate a filename based on the fmri and the given name and return
2462  * it in the buffer of MAXPATHLEN provided by the caller.
2463  * If temp_filename is non-zero, also generate a temporary, unique filename
2464  * and return it in the temp buffer of MAXPATHLEN provided by the caller.
2465  * The path to the generated pathname is also created.
2466  * Given fmri should begin with a scheme such as "svc:".
2467  * Returns
2468  *      0 on success
2469  *      -1 if filename would exceed MAXPATHLEN or
2470  *	-2 if unable to create directory to filename path
2471  */
2472 int
2473 gen_filenms_from_fmri(const char *fmri, const char *name, char *filename,
2474     char *temp_filename)
2475 {
2476 	int		len;
2477 
2478 	len = strlen(SMF_SPEEDY_FILES_PATH);
2479 	len += strlen(fmri);
2480 	len += 2;			/* for slash and null */
2481 	len += strlen(name);
2482 	len += 6;			/* For X's needed for mkstemp */
2483 
2484 	if (len > MAXPATHLEN)
2485 		return (-1);
2486 
2487 	/* Construct directory name first - speedy path ends in slash */
2488 	(void) strcpy(filename, SMF_SPEEDY_FILES_PATH);
2489 	(void) strcat(filename, fmri);
2490 	if (mkdirp(filename, 0755) == -1) {
2491 		/* errno is set */
2492 		if (errno != EEXIST)
2493 			return (-2);
2494 	}
2495 
2496 	(void) strcat(filename, "/");
2497 	(void) strcat(filename, name);
2498 
2499 	if (temp_filename) {
2500 		(void) strcpy(temp_filename, filename);
2501 		(void) strcat(temp_filename, "XXXXXX");
2502 	}
2503 
2504 	return (0);
2505 }
2506 
2507 scf_type_t
2508 scf_true_base_type(scf_type_t type)
2509 {
2510 	scf_type_t base = type;
2511 
2512 	do {
2513 		type = base;
2514 		(void) scf_type_base_type(type, &base);
2515 	} while (base != type);
2516 
2517 	return (base);
2518 }
2519 
2520 /*
2521  * Convenience routine which frees all strings and opaque data
2522  * allocated by scf_read_propvec.
2523  *
2524  * Like free(3C), this function preserves the value of errno.
2525  */
2526 void
2527 scf_clean_propvec(scf_propvec_t *propvec)
2528 {
2529 	int saved_errno = errno;
2530 	scf_propvec_t *prop;
2531 
2532 	for (prop = propvec; prop->pv_prop != NULL; prop++) {
2533 		assert(prop->pv_type != SCF_TYPE_INVALID);
2534 		if (prop->pv_type == SCF_TYPE_OPAQUE) {
2535 			scf_opaque_t *o = prop->pv_ptr;
2536 
2537 			if (o->so_addr != NULL)
2538 				free(o->so_addr);
2539 		} else if (scf_true_base_type(prop->pv_type) ==
2540 		    SCF_TYPE_ASTRING) {
2541 			if (*(char **)prop->pv_ptr != NULL)
2542 				free(*(char **)prop->pv_ptr);
2543 		}
2544 	}
2545 
2546 	errno = saved_errno;
2547 }
2548 
2549 static int
2550 count_props(scf_propvec_t *props)
2551 {
2552 	int count = 0;
2553 
2554 	for (; props->pv_prop != NULL; props++)
2555 		count++;
2556 	return (count);
2557 }
2558 
2559 /*
2560  * Reads a vector of properties from the specified fmri/property group.
2561  * If 'running' is true, reads from the running snapshot instead of the
2562  * editing snapshot.
2563  *
2564  * For string types, a buffer is allocated using malloc(3C) to hold the
2565  * zero-terminated string, a pointer to which is stored in the
2566  * caller-provided char **.  It is the caller's responsbility to free
2567  * this string.  To simplify error handling, unread strings are
2568  * initialized to NULL.
2569  *
2570  * For opaque types, a buffer is allocated using malloc(3C) to hold the
2571  * opaque data.  A pointer to this buffer and its size are stored in
2572  * the caller-provided scf_opaque_t.  It is the caller's responsibility
2573  * to free this buffer.  To simplify error handling, the address fields
2574  * for unread opaque data are initialized to NULL.
2575  *
2576  * All other data is stored directly in caller-provided variables or
2577  * structures.
2578  *
2579  * If this function fails to read a specific property, *badprop is set
2580  * to point at that property's entry in the properties array.
2581  *
2582  * On all failures, all memory allocated by this function is freed.
2583  */
2584 int
2585 scf_read_propvec(const char *fmri, const char *pgname, boolean_t running,
2586     scf_propvec_t *properties, scf_propvec_t **badprop)
2587 {
2588 	scf_handle_t *h = _scf_handle_create_and_bind(SCF_VERSION);
2589 	scf_service_t *s = scf_service_create(h);
2590 	scf_instance_t *i = scf_instance_create(h);
2591 	scf_snapshot_t *snap = running ? scf_snapshot_create(h) : NULL;
2592 	scf_propertygroup_t *pg = scf_pg_create(h);
2593 	scf_property_t *p = scf_property_create(h);
2594 	scf_value_t *v = scf_value_create(h);
2595 	boolean_t instance = B_TRUE;
2596 	scf_propvec_t *prop;
2597 	int error = 0;
2598 
2599 	if (h == NULL || s == NULL || i == NULL || (running && snap == NULL) ||
2600 	    pg == NULL || p == NULL || v == NULL)
2601 		goto scferror;
2602 
2603 	if (scf_handle_decode_fmri(h, fmri, NULL, s, i, NULL, NULL, 0) == -1)
2604 		goto scferror;
2605 
2606 	if (scf_instance_to_fmri(i, NULL, 0) == -1) {
2607 		if (scf_error() != SCF_ERROR_NOT_SET)
2608 			goto scferror;
2609 		instance = B_FALSE;
2610 	}
2611 
2612 	if (running) {
2613 		if (!instance) {
2614 			error = SCF_ERROR_TYPE_MISMATCH;
2615 			goto out;
2616 		}
2617 
2618 		if (scf_instance_get_snapshot(i, "running", snap) !=
2619 		    SCF_SUCCESS)
2620 			goto scferror;
2621 	}
2622 
2623 	if ((instance ? scf_instance_get_pg_composed(i, snap, pgname, pg) :
2624 	    scf_service_get_pg(s, pgname, pg)) == -1)
2625 		goto scferror;
2626 
2627 	for (prop = properties; prop->pv_prop != NULL; prop++) {
2628 		if (prop->pv_type == SCF_TYPE_OPAQUE)
2629 			((scf_opaque_t *)prop->pv_ptr)->so_addr = NULL;
2630 		else if (scf_true_base_type(prop->pv_type) == SCF_TYPE_ASTRING)
2631 			*((char **)prop->pv_ptr) = NULL;
2632 	}
2633 
2634 	for (prop = properties; prop->pv_prop != NULL; prop++) {
2635 		int ret = 0;
2636 
2637 		if (scf_pg_get_property(pg, prop->pv_prop, p) == -1 ||
2638 		    scf_property_get_value(p, v) == -1) {
2639 			*badprop = prop;
2640 			goto scferror;
2641 		}
2642 		switch (prop->pv_type) {
2643 		case SCF_TYPE_BOOLEAN: {
2644 			uint8_t b;
2645 
2646 			ret = scf_value_get_boolean(v, &b);
2647 			if (ret == -1)
2648 				break;
2649 			if (prop->pv_aux != 0) {
2650 				uint64_t *bits = prop->pv_ptr;
2651 				*bits = b ? (*bits | prop->pv_aux) :
2652 				    (*bits & ~prop->pv_aux);
2653 			} else {
2654 				boolean_t *bool = prop->pv_ptr;
2655 				*bool = b ? B_TRUE : B_FALSE;
2656 			}
2657 			break;
2658 		}
2659 		case SCF_TYPE_COUNT:
2660 			ret = scf_value_get_count(v, prop->pv_ptr);
2661 			break;
2662 		case SCF_TYPE_INTEGER:
2663 			ret = scf_value_get_integer(v, prop->pv_ptr);
2664 			break;
2665 		case SCF_TYPE_TIME: {
2666 			scf_time_t *time = prop->pv_ptr;
2667 
2668 			ret = scf_value_get_time(v, &time->t_seconds,
2669 			    &time->t_ns);
2670 			break;
2671 		}
2672 		case SCF_TYPE_OPAQUE: {
2673 			scf_opaque_t *opaque = prop->pv_ptr;
2674 			ssize_t size = scf_value_get_opaque(v, NULL, 0);
2675 
2676 			if (size == -1) {
2677 				*badprop = prop;
2678 				goto scferror;
2679 			}
2680 			if ((opaque->so_addr = malloc(size)) == NULL) {
2681 				error = SCF_ERROR_NO_MEMORY;
2682 				goto out;
2683 			}
2684 			opaque->so_size = size;
2685 			ret = scf_value_get_opaque(v, opaque->so_addr, size);
2686 			break;
2687 		}
2688 		default: {
2689 			char *s;
2690 			ssize_t size;
2691 
2692 			assert(scf_true_base_type(prop->pv_type) ==
2693 			    SCF_TYPE_ASTRING);
2694 
2695 			size = scf_value_get_astring(v, NULL, 0);
2696 			if (size == -1) {
2697 				*badprop = prop;
2698 				goto scferror;
2699 			}
2700 			if ((s = malloc(++size)) == NULL) {
2701 				error = SCF_ERROR_NO_MEMORY;
2702 				goto out;
2703 			}
2704 			ret = scf_value_get_astring(v, s, size);
2705 			*(char **)prop->pv_ptr = s;
2706 		}
2707 
2708 		if (ret == -1) {
2709 			*badprop = prop;
2710 			goto scferror;
2711 		}
2712 
2713 		}
2714 	}
2715 
2716 	goto out;
2717 
2718 scferror:
2719 	error = scf_error();
2720 	scf_clean_propvec(properties);
2721 
2722 out:
2723 	scf_value_destroy(v);
2724 	scf_property_destroy(p);
2725 	scf_pg_destroy(pg);
2726 	scf_snapshot_destroy(snap);
2727 	scf_instance_destroy(i);
2728 	scf_service_destroy(s);
2729 	scf_handle_destroy(h);
2730 
2731 	if (error != 0) {
2732 		(void) scf_set_error(error);
2733 		return (SCF_FAILED);
2734 	}
2735 
2736 	return (SCF_SUCCESS);
2737 }
2738 
2739 /*
2740  * Writes a vector of properties to the specified fmri/property group.
2741  *
2742  * If this function fails to write a specific property, *badprop is set
2743  * to point at that property's entry in the properties array.
2744  *
2745  * One significant difference between this function and the
2746  * scf_read_propvec function is that for string types, pv_ptr is a
2747  * char *, not a char **.  This means that you can't write a propvec
2748  * you just read, but makes other uses (hopefully the majority) simpler.
2749  */
2750 int
2751 scf_write_propvec(const char *fmri, const char *pgname,
2752     scf_propvec_t *properties, scf_propvec_t **badprop)
2753 {
2754 	scf_handle_t *h = _scf_handle_create_and_bind(SCF_VERSION);
2755 	scf_service_t *s = scf_service_create(h);
2756 	scf_instance_t *inst = scf_instance_create(h);
2757 	scf_snapshot_t *snap = scf_snapshot_create(h);
2758 	scf_propertygroup_t *pg = scf_pg_create(h);
2759 	scf_property_t *p = scf_property_create(h);
2760 	scf_transaction_t *tx = scf_transaction_create(h);
2761 	scf_value_t **v = NULL;
2762 	scf_transaction_entry_t **e = NULL;
2763 	boolean_t instance = B_TRUE;
2764 	int i, n;
2765 	scf_propvec_t *prop;
2766 	int error = 0, ret;
2767 
2768 	n = count_props(properties);
2769 	v = calloc(n, sizeof (scf_value_t *));
2770 	e = calloc(n, sizeof (scf_transaction_entry_t *));
2771 
2772 	if (v == NULL || e == NULL) {
2773 		error = SCF_ERROR_NO_MEMORY;
2774 		goto out;
2775 	}
2776 
2777 	if (h == NULL || s == NULL || inst == NULL || pg == NULL || p == NULL ||
2778 	    tx == NULL)
2779 		goto scferror;
2780 
2781 	for (i = 0; i < n; i++) {
2782 		v[i] = scf_value_create(h);
2783 		e[i] = scf_entry_create(h);
2784 		if (v[i] == NULL || e[i] == NULL)
2785 			goto scferror;
2786 	}
2787 
2788 	if (scf_handle_decode_fmri(h, fmri, NULL, s, inst, NULL, NULL, 0)
2789 	    != SCF_SUCCESS)
2790 		goto scferror;
2791 
2792 	if (scf_instance_to_fmri(inst, NULL, 0) == -1) {
2793 		if (scf_error() != SCF_ERROR_NOT_SET)
2794 			goto scferror;
2795 		instance = B_FALSE;
2796 	}
2797 
2798 	if ((instance ? scf_instance_get_pg(inst, pgname, pg) :
2799 	    scf_service_get_pg(s, pgname, pg)) == -1)
2800 		goto scferror;
2801 
2802 top:
2803 	if (scf_transaction_start(tx, pg) == -1)
2804 		goto scferror;
2805 
2806 	for (prop = properties, i = 0; prop->pv_prop != NULL; prop++, i++) {
2807 		ret = scf_transaction_property_change(tx, e[i], prop->pv_prop,
2808 		    prop->pv_type);
2809 		if (ret == -1 && scf_error() == SCF_ERROR_NOT_FOUND)
2810 			ret = scf_transaction_property_new(tx, e[i],
2811 			    prop->pv_prop, prop->pv_type);
2812 
2813 		if (ret == -1) {
2814 			*badprop = prop;
2815 			goto scferror;
2816 		}
2817 
2818 		switch (prop->pv_type) {
2819 		case SCF_TYPE_BOOLEAN: {
2820 			boolean_t b = (prop->pv_aux != 0) ?
2821 			    (*(uint64_t *)prop->pv_ptr & prop->pv_aux) != 0 :
2822 			    *(boolean_t *)prop->pv_ptr;
2823 
2824 			scf_value_set_boolean(v[i], b ? 1 : 0);
2825 			break;
2826 		}
2827 		case SCF_TYPE_COUNT:
2828 			scf_value_set_count(v[i], *(uint64_t *)prop->pv_ptr);
2829 			break;
2830 		case SCF_TYPE_INTEGER:
2831 			scf_value_set_integer(v[i], *(int64_t *)prop->pv_ptr);
2832 			break;
2833 		case SCF_TYPE_TIME: {
2834 			scf_time_t *time = prop->pv_ptr;
2835 
2836 			ret = scf_value_set_time(v[i], time->t_seconds,
2837 			    time->t_ns);
2838 			break;
2839 		}
2840 		case SCF_TYPE_OPAQUE: {
2841 			scf_opaque_t *opaque = prop->pv_ptr;
2842 
2843 			ret = scf_value_set_opaque(v[i], opaque->so_addr,
2844 			    opaque->so_size);
2845 			break;
2846 		}
2847 		case SCF_TYPE_ASTRING:
2848 			ret = scf_value_set_astring(v[i],
2849 			    (const char *)prop->pv_ptr);
2850 			break;
2851 		default:
2852 			ret = scf_value_set_from_string(v[i], prop->pv_type,
2853 			    (const char *)prop->pv_ptr);
2854 		}
2855 
2856 		if (ret == -1 || scf_entry_add_value(e[i], v[i]) == -1) {
2857 			*badprop = prop;
2858 			goto scferror;
2859 		}
2860 	}
2861 
2862 	ret = scf_transaction_commit(tx);
2863 	if (ret == 1)
2864 		goto out;
2865 
2866 	if (ret == 0 && scf_pg_update(pg) != -1) {
2867 		scf_transaction_reset(tx);
2868 		goto top;
2869 	}
2870 
2871 scferror:
2872 	error = scf_error();
2873 
2874 out:
2875 	if (v != NULL) {
2876 		for (i = 0; i < n; i++)
2877 			scf_value_destroy(v[i]);
2878 		free(v);
2879 	}
2880 
2881 	if (e != NULL) {
2882 		for (i = 0; i < n; i++)
2883 			scf_entry_destroy(e[i]);
2884 		free(e);
2885 	}
2886 
2887 	scf_transaction_destroy(tx);
2888 	scf_property_destroy(p);
2889 	scf_pg_destroy(pg);
2890 	scf_snapshot_destroy(snap);
2891 	scf_instance_destroy(inst);
2892 	scf_service_destroy(s);
2893 	scf_handle_destroy(h);
2894 
2895 	if (error != 0) {
2896 		(void) scf_set_error(error);
2897 		return (SCF_FAILED);
2898 	}
2899 
2900 	return (SCF_SUCCESS);
2901 }
2902 
2903 /*
2904  * Returns
2905  *   0 - success
2906  *   ECONNABORTED - repository connection broken
2907  *   ECANCELED - inst was deleted
2908  *   EPERM
2909  *   EACCES
2910  *   EROFS
2911  *   ENOMEM
2912  */
2913 int
2914 scf_instance_delete_prop(scf_instance_t *inst, const char *pgname,
2915     const char *pname)
2916 {
2917 	scf_handle_t *h;
2918 	scf_propertygroup_t *pg;
2919 	scf_transaction_t *tx;
2920 	scf_transaction_entry_t *e;
2921 	int error = 0, ret = 1, r;
2922 
2923 	h = scf_instance_handle(inst);
2924 
2925 	if ((pg = scf_pg_create(h)) == NULL) {
2926 		return (ENOMEM);
2927 	}
2928 
2929 	if (scf_instance_get_pg(inst, pgname, pg) != 0) {
2930 		error = scf_error();
2931 		scf_pg_destroy(pg);
2932 		switch (error) {
2933 		case SCF_ERROR_NOT_FOUND:
2934 			return (SCF_SUCCESS);
2935 
2936 		case SCF_ERROR_DELETED:
2937 			return (ECANCELED);
2938 
2939 		case SCF_ERROR_CONNECTION_BROKEN:
2940 		default:
2941 			return (ECONNABORTED);
2942 
2943 		case SCF_ERROR_NOT_SET:
2944 			bad_error("scf_instance_get_pg", scf_error());
2945 		}
2946 	}
2947 
2948 	tx = scf_transaction_create(h);
2949 	e = scf_entry_create(h);
2950 	if (tx == NULL || e == NULL) {
2951 		ret = ENOMEM;
2952 		goto out;
2953 	}
2954 
2955 	for (;;) {
2956 		if (scf_transaction_start(tx, pg) != 0) {
2957 			goto scferror;
2958 		}
2959 
2960 		if (scf_transaction_property_delete(tx, e, pname) != 0) {
2961 			goto scferror;
2962 		}
2963 
2964 		if ((r = scf_transaction_commit(tx)) == 1) {
2965 			ret = 0;
2966 			goto out;
2967 		}
2968 
2969 		if (r == -1) {
2970 			goto scferror;
2971 		}
2972 
2973 		scf_transaction_reset(tx);
2974 		if (scf_pg_update(pg) == -1) {
2975 			goto scferror;
2976 		}
2977 	}
2978 
2979 scferror:
2980 	switch (scf_error()) {
2981 	case SCF_ERROR_DELETED:
2982 	case SCF_ERROR_NOT_FOUND:
2983 		ret = 0;
2984 		break;
2985 
2986 	case SCF_ERROR_PERMISSION_DENIED:
2987 		ret = EPERM;
2988 		break;
2989 
2990 	case SCF_ERROR_BACKEND_ACCESS:
2991 		ret = EACCES;
2992 		break;
2993 
2994 	case SCF_ERROR_BACKEND_READONLY:
2995 		ret = EROFS;
2996 		break;
2997 
2998 	case SCF_ERROR_CONNECTION_BROKEN:
2999 	default:
3000 		ret = ECONNABORTED;
3001 		break;
3002 
3003 	case SCF_ERROR_HANDLE_MISMATCH:
3004 	case SCF_ERROR_INVALID_ARGUMENT:
3005 	case SCF_ERROR_NOT_BOUND:
3006 	case SCF_ERROR_NOT_SET:
3007 		bad_error("scf_instance_delete_prop", scf_error());
3008 	}
3009 
3010 out:
3011 	scf_transaction_destroy(tx);
3012 	scf_entry_destroy(e);
3013 	scf_pg_destroy(pg);
3014 
3015 	return (ret);
3016 }
3017 
3018 /*
3019  * Check the "application/auto_enable" property for the passed FMRI.
3020  * scf_simple_prop_get() should find the property on an instance
3021  * or on the service FMRI.  The routine returns:
3022  * -1: inconclusive (likely no such property or FMRI)
3023  *  0: auto_enable is false
3024  *  1: auto_enable is true
3025  */
3026 static int
3027 is_auto_enabled(char *fmri)
3028 {
3029 	scf_simple_prop_t *prop;
3030 	int retval = -1;
3031 	uint8_t *ret;
3032 
3033 	prop = scf_simple_prop_get(NULL, fmri, SCF_GROUP_APPLICATION,
3034 	    "auto_enable");
3035 	if (!prop)
3036 		return (retval);
3037 	ret = scf_simple_prop_next_boolean(prop);
3038 	retval = (*ret != 0);
3039 	scf_simple_prop_free(prop);
3040 	return (retval);
3041 }
3042 
3043 /*
3044  * Check an array of services and enable any that don't have the
3045  * "application/auto_enable" property set to "false", which is
3046  * the interface to turn off this behaviour (see PSARC 2004/739).
3047  */
3048 void
3049 _check_services(char **svcs)
3050 {
3051 	char *s;
3052 
3053 	for (; *svcs; svcs++) {
3054 		if (is_auto_enabled(*svcs) == 0)
3055 			continue;
3056 		if ((s = smf_get_state(*svcs)) != NULL) {
3057 			if (strcmp(SCF_STATE_STRING_DISABLED, s) == 0)
3058 				(void) smf_enable_instance(*svcs,
3059 				    SMF_TEMPORARY);
3060 			free(s);
3061 		}
3062 	}
3063 }
3064 
3065 /*ARGSUSED*/
3066 static int
3067 str_compare(const char *s1, const char *s2, size_t n)
3068 {
3069 	return (strcmp(s1, s2));
3070 }
3071 
3072 static int
3073 str_n_compare(const char *s1, const char *s2, size_t n)
3074 {
3075 	return (strncmp(s1, s2, n));
3076 }
3077 
3078 int32_t
3079 state_from_string(const char *state, size_t l)
3080 {
3081 	int (*str_cmp)(const char *, const char *, size_t);
3082 
3083 	if (l == 0)
3084 		str_cmp = str_compare;
3085 	else
3086 		str_cmp = str_n_compare;
3087 
3088 	if (str_cmp(SCF_STATE_STRING_UNINIT, state, l) == 0)
3089 		return (SCF_STATE_UNINIT);
3090 	else if (str_cmp(SCF_STATE_STRING_MAINT, state, l) == 0)
3091 		return (SCF_STATE_MAINT);
3092 	else if (str_cmp(SCF_STATE_STRING_OFFLINE, state, l) == 0)
3093 		return (SCF_STATE_OFFLINE);
3094 	else if (str_cmp(SCF_STATE_STRING_DISABLED, state, l) == 0)
3095 		return (SCF_STATE_DISABLED);
3096 	else if (str_cmp(SCF_STATE_STRING_ONLINE, state, l) == 0)
3097 		return (SCF_STATE_ONLINE);
3098 	else if (str_cmp(SCF_STATE_STRING_DEGRADED, state, l) == 0)
3099 		return (SCF_STATE_DEGRADED);
3100 	else if (str_cmp("all", state, l) == 0)
3101 		return (SCF_STATE_ALL);
3102 	else
3103 		return (-1);
3104 }
3105 
3106 /*
3107  * int32_t smf_state_from_string()
3108  * return the value of the macro SCF_STATE_* for the corresponding state
3109  * it returns SCF_STATE_ALL if "all" is passed. -1 if the string passed doesn't
3110  * correspond to any valid state.
3111  */
3112 int32_t
3113 smf_state_from_string(const char *state)
3114 {
3115 	return (state_from_string(state, 0));
3116 }
3117 
3118 /*
3119  * smf_state_to_string()
3120  * Takes an int32_t representing an SMF state and returns
3121  * the corresponding string. The string is read only and need not to be
3122  * freed.
3123  * returns NULL on invalid input.
3124  */
3125 const char *
3126 smf_state_to_string(int32_t s)
3127 {
3128 	switch (s) {
3129 	case SCF_STATE_UNINIT:
3130 		return (SCF_STATE_STRING_UNINIT);
3131 	case SCF_STATE_MAINT:
3132 		return (SCF_STATE_STRING_MAINT);
3133 	case SCF_STATE_OFFLINE:
3134 		return (SCF_STATE_STRING_OFFLINE);
3135 	case SCF_STATE_DISABLED:
3136 		return (SCF_STATE_STRING_DISABLED);
3137 	case SCF_STATE_ONLINE:
3138 		return (SCF_STATE_STRING_ONLINE);
3139 	case SCF_STATE_DEGRADED:
3140 		return (SCF_STATE_STRING_DEGRADED);
3141 	case SCF_STATE_ALL:
3142 		return ("all");
3143 	default:
3144 		return (NULL);
3145 	}
3146 }
3147