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 * Copyright 2013 Nexenta Systems, Inc. All rights reserved.
25 * Copyright 2018 RackTop Systems.
26 * Copyright 2020 Joyent, Inc.
27 */
28
29 #include "libscf_impl.h"
30
31 #include <assert.h>
32 #include <libuutil.h>
33 #include <stdio.h>
34 #include <string.h>
35 #include <stdlib.h>
36 #include <sys/param.h>
37 #include <errno.h>
38 #include <libgen.h>
39 #include <assert.h>
40 #include "midlevel_impl.h"
41 #include "lowlevel_impl.h"
42
43 #ifndef NDEBUG
44 #define bad_error(func, err) { \
45 uu_warn("%s:%d: %s failed with unexpected error %d. Aborting.\n", \
46 __FILE__, __LINE__, func, err); \
47 abort(); \
48 }
49 #else
50 #define bad_error(func, err) abort()
51 #endif
52
53 /* Path to speedy files area must end with a slash */
54 #define SMF_SPEEDY_FILES_PATH "/etc/svc/volatile/"
55
56 void
scf_simple_handle_destroy(scf_simple_handle_t * simple_h)57 scf_simple_handle_destroy(scf_simple_handle_t *simple_h)
58 {
59 if (simple_h == NULL)
60 return;
61
62 scf_pg_destroy(simple_h->running_pg);
63 scf_pg_destroy(simple_h->editing_pg);
64 scf_snapshot_destroy(simple_h->snap);
65 scf_instance_destroy(simple_h->inst);
66 scf_handle_destroy(simple_h->h);
67 uu_free(simple_h);
68 }
69
70 /*
71 * Given a base service FMRI and the names of a property group and property,
72 * assemble_fmri() merges them into a property FMRI. Note that if the base
73 * FMRI is NULL, assemble_fmri() gets the base FMRI from scf_myname().
74 */
75
76 static char *
assemble_fmri(scf_handle_t * h,const char * base,const char * pg,const char * prop)77 assemble_fmri(scf_handle_t *h, const char *base, const char *pg,
78 const char *prop)
79 {
80 size_t fmri_sz, pglen;
81 ssize_t baselen;
82 char *fmri_buf;
83
84 if (prop == NULL) {
85 (void) scf_set_error(SCF_ERROR_INVALID_ARGUMENT);
86 return (NULL);
87 }
88
89 if (pg == NULL)
90 pglen = strlen(SCF_PG_APP_DEFAULT);
91 else
92 pglen = strlen(pg);
93
94 if (base == NULL) {
95 if ((baselen = scf_myname(h, NULL, 0)) == -1)
96 return (NULL);
97 } else {
98 baselen = strlen(base);
99 }
100
101 fmri_sz = baselen + sizeof (SCF_FMRI_PROPERTYGRP_PREFIX) - 1 +
102 pglen + sizeof (SCF_FMRI_PROPERTY_PREFIX) - 1 +
103 strlen(prop) + 1;
104
105 if ((fmri_buf = malloc(fmri_sz)) == NULL) {
106 (void) scf_set_error(SCF_ERROR_NO_MEMORY);
107 return (NULL);
108 }
109
110 if (base == NULL) {
111 if (scf_myname(h, fmri_buf, fmri_sz) == -1) {
112 free(fmri_buf);
113 return (NULL);
114 }
115 } else {
116 (void) strcpy(fmri_buf, base);
117 }
118
119 (void) strcat(fmri_buf, SCF_FMRI_PROPERTYGRP_PREFIX);
120
121 if (pg == NULL)
122 (void) strcat(fmri_buf, SCF_PG_APP_DEFAULT);
123 else
124 (void) strcat(fmri_buf, pg);
125
126 (void) strcat(fmri_buf, SCF_FMRI_PROPERTY_PREFIX);
127 (void) strcat(fmri_buf, prop);
128 return (fmri_buf);
129 }
130
131 /*
132 * Given a property, this function allocates and fills an scf_simple_prop_t
133 * with the data it contains.
134 */
135
136 static scf_simple_prop_t *
fill_prop(scf_property_t * prop,const char * pgname,const char * propname,scf_handle_t * h)137 fill_prop(scf_property_t *prop, const char *pgname, const char *propname,
138 scf_handle_t *h)
139 {
140 scf_simple_prop_t *ret;
141 scf_iter_t *iter;
142 scf_value_t *val;
143 int iterret, i;
144 ssize_t valsize, numvals;
145 union scf_simple_prop_val *vallist = NULL, *vallist_backup = NULL;
146
147 if ((ret = malloc(sizeof (*ret))) == NULL) {
148 (void) scf_set_error(SCF_ERROR_NO_MEMORY);
149 return (NULL);
150 }
151
152 ret->pr_next = NULL;
153 ret->pr_pg = NULL;
154 ret->pr_iter = 0;
155
156 if (pgname == NULL)
157 ret->pr_pgname = strdup(SCF_PG_APP_DEFAULT);
158 else
159 ret->pr_pgname = strdup(pgname);
160
161 if (ret->pr_pgname == NULL) {
162 (void) scf_set_error(SCF_ERROR_NO_MEMORY);
163 free(ret);
164 return (NULL);
165 }
166
167 if ((ret->pr_propname = strdup(propname)) == NULL) {
168 (void) scf_set_error(SCF_ERROR_NO_MEMORY);
169 free(ret->pr_pgname);
170 free(ret);
171 return (NULL);
172 }
173
174 if (scf_property_type(prop, &ret->pr_type) == -1)
175 goto error3;
176
177 if ((iter = scf_iter_create(h)) == NULL)
178 goto error3;
179 if ((val = scf_value_create(h)) == NULL) {
180 scf_iter_destroy(iter);
181 goto error3;
182 }
183
184 if (scf_iter_property_values(iter, prop) == -1)
185 goto error1;
186
187 for (numvals = 0; (iterret = scf_iter_next_value(iter, val)) == 1;
188 numvals++) {
189 vallist_backup = vallist;
190 if ((vallist = realloc(vallist, (numvals + 1) *
191 sizeof (*vallist))) == NULL) {
192 vallist = vallist_backup;
193 goto error1;
194 }
195
196 switch (ret->pr_type) {
197 case SCF_TYPE_BOOLEAN:
198 if (scf_value_get_boolean(val,
199 &vallist[numvals].pv_bool) == -1)
200 goto error1;
201 break;
202
203 case SCF_TYPE_COUNT:
204 if (scf_value_get_count(val,
205 &vallist[numvals].pv_uint) == -1)
206 goto error1;
207 break;
208
209 case SCF_TYPE_INTEGER:
210 if (scf_value_get_integer(val,
211 &vallist[numvals].pv_int) == -1)
212 goto error1;
213 break;
214
215 case SCF_TYPE_TIME:
216 if (scf_value_get_time(val,
217 &vallist[numvals].pv_time.t_sec,
218 &vallist[numvals].pv_time.t_nsec) == -1)
219 goto error1;
220 break;
221
222 case SCF_TYPE_ASTRING:
223 vallist[numvals].pv_str = NULL;
224 if ((valsize = scf_value_get_astring(val, NULL, 0)) ==
225 -1)
226 goto error1;
227 if ((vallist[numvals].pv_str = malloc(valsize+1)) ==
228 NULL) {
229 (void) scf_set_error(SCF_ERROR_NO_MEMORY);
230 goto error1;
231 }
232 if (scf_value_get_astring(val,
233 vallist[numvals].pv_str, valsize+1) == -1) {
234 free(vallist[numvals].pv_str);
235 goto error1;
236 }
237 break;
238
239 case SCF_TYPE_USTRING:
240 case SCF_TYPE_HOST:
241 case SCF_TYPE_HOSTNAME:
242 case SCF_TYPE_NET_ADDR:
243 case SCF_TYPE_NET_ADDR_V4:
244 case SCF_TYPE_NET_ADDR_V6:
245 case SCF_TYPE_URI:
246 case SCF_TYPE_FMRI:
247 vallist[numvals].pv_str = NULL;
248 if ((valsize = scf_value_get_ustring(val, NULL, 0)) ==
249 -1)
250 goto error1;
251 if ((vallist[numvals].pv_str = malloc(valsize+1)) ==
252 NULL) {
253 (void) scf_set_error(SCF_ERROR_NO_MEMORY);
254 goto error1;
255 }
256 if (scf_value_get_ustring(val,
257 vallist[numvals].pv_str, valsize+1) == -1) {
258 free(vallist[numvals].pv_str);
259 goto error1;
260 }
261 break;
262
263 case SCF_TYPE_OPAQUE:
264 vallist[numvals].pv_opaque.o_value = NULL;
265 if ((valsize = scf_value_get_opaque(val, NULL, 0)) ==
266 -1)
267 goto error1;
268 if ((vallist[numvals].pv_opaque.o_value =
269 malloc(valsize)) == NULL) {
270 (void) scf_set_error(SCF_ERROR_NO_MEMORY);
271 goto error1;
272 }
273 vallist[numvals].pv_opaque.o_size = valsize;
274 if (scf_value_get_opaque(val,
275 vallist[numvals].pv_opaque.o_value,
276 valsize) == -1) {
277 free(vallist[numvals].pv_opaque.o_value);
278 goto error1;
279 }
280 break;
281
282 default:
283 (void) scf_set_error(SCF_ERROR_INTERNAL);
284 goto error1;
285
286 }
287 }
288
289 if (iterret == -1) {
290 int err = scf_error();
291 if (err != SCF_ERROR_CONNECTION_BROKEN &&
292 err != SCF_ERROR_PERMISSION_DENIED)
293 (void) scf_set_error(SCF_ERROR_INTERNAL);
294 goto error1;
295 }
296
297 ret->pr_vallist = vallist;
298 ret->pr_numvalues = numvals;
299
300 scf_iter_destroy(iter);
301 (void) scf_value_destroy(val);
302
303 return (ret);
304
305 /*
306 * Exit point for a successful call. Below this line are exit points
307 * for failures at various stages during the function.
308 */
309
310 error1:
311 if (vallist == NULL)
312 goto error2;
313
314 switch (ret->pr_type) {
315 case SCF_TYPE_ASTRING:
316 case SCF_TYPE_USTRING:
317 case SCF_TYPE_HOST:
318 case SCF_TYPE_HOSTNAME:
319 case SCF_TYPE_NET_ADDR:
320 case SCF_TYPE_NET_ADDR_V4:
321 case SCF_TYPE_NET_ADDR_V6:
322 case SCF_TYPE_URI:
323 case SCF_TYPE_FMRI: {
324 for (i = 0; i < numvals; i++) {
325 free(vallist[i].pv_str);
326 }
327 break;
328 }
329 case SCF_TYPE_OPAQUE: {
330 for (i = 0; i < numvals; i++) {
331 free(vallist[i].pv_opaque.o_value);
332 }
333 break;
334 }
335 default:
336 break;
337 }
338
339 free(vallist);
340
341 error2:
342 scf_iter_destroy(iter);
343 (void) scf_value_destroy(val);
344
345 error3:
346 free(ret->pr_pgname);
347 free(ret->pr_propname);
348 free(ret);
349 return (NULL);
350 }
351
352 /*
353 * insert_app_props iterates over a property iterator, getting all the
354 * properties from a property group, and adding or overwriting them into
355 * a simple_app_props_t. This is used by scf_simple_app_props_get to provide
356 * service/instance composition while filling the app_props_t.
357 * insert_app_props iterates over a single property group.
358 */
359
360 static int
insert_app_props(scf_iter_t * propiter,char * pgname,char * propname,struct scf_simple_pg * thispg,scf_property_t * prop,size_t namelen,scf_handle_t * h)361 insert_app_props(scf_iter_t *propiter, char *pgname, char *propname, struct
362 scf_simple_pg *thispg, scf_property_t *prop, size_t namelen,
363 scf_handle_t *h)
364 {
365 scf_simple_prop_t *thisprop, *prevprop, *newprop;
366 uint8_t found;
367 int propiter_ret;
368
369 while ((propiter_ret = scf_iter_next_property(propiter, prop)) == 1) {
370
371 if (scf_property_get_name(prop, propname, namelen) < 0) {
372 if (scf_error() == SCF_ERROR_NOT_SET)
373 (void) scf_set_error(SCF_ERROR_INTERNAL);
374 return (-1);
375 }
376
377 thisprop = thispg->pg_proplist;
378 prevprop = thispg->pg_proplist;
379 found = 0;
380
381 while ((thisprop != NULL) && (!found)) {
382 if (strcmp(thisprop->pr_propname, propname) == 0) {
383 found = 1;
384 if ((newprop = fill_prop(prop, pgname,
385 propname, h)) == NULL)
386 return (-1);
387
388 if (thisprop == thispg->pg_proplist)
389 thispg->pg_proplist = newprop;
390 else
391 prevprop->pr_next = newprop;
392
393 newprop->pr_pg = thispg;
394 newprop->pr_next = thisprop->pr_next;
395 scf_simple_prop_free(thisprop);
396 thisprop = NULL;
397 } else {
398 if (thisprop != thispg->pg_proplist)
399 prevprop = prevprop->pr_next;
400 thisprop = thisprop->pr_next;
401 }
402 }
403
404 if (!found) {
405 if ((newprop = fill_prop(prop, pgname, propname, h)) ==
406 NULL)
407 return (-1);
408
409 if (thispg->pg_proplist == NULL)
410 thispg->pg_proplist = newprop;
411 else
412 prevprop->pr_next = newprop;
413
414 newprop->pr_pg = thispg;
415 }
416 }
417
418 if (propiter_ret == -1) {
419 if (scf_error() != SCF_ERROR_CONNECTION_BROKEN)
420 (void) scf_set_error(SCF_ERROR_INTERNAL);
421 return (-1);
422 }
423
424 return (0);
425 }
426
427
428 /*
429 * Sets up e in tx to set pname's values. Returns 0 on success or -1 on
430 * failure, with scf_error() set to
431 * SCF_ERROR_HANDLE_MISMATCH - tx & e are derived from different handles
432 * SCF_ERROR_INVALID_ARGUMENT - pname or ty are invalid
433 * SCF_ERROR_NOT_BOUND - handle is not bound
434 * SCF_ERROR_CONNECTION_BROKEN - connection was broken
435 * SCF_ERROR_NOT_SET - tx has not been started
436 * SCF_ERROR_DELETED - the pg tx was started on was deleted
437 */
438 static int
transaction_property_set(scf_transaction_t * tx,scf_transaction_entry_t * e,const char * pname,scf_type_t ty)439 transaction_property_set(scf_transaction_t *tx, scf_transaction_entry_t *e,
440 const char *pname, scf_type_t ty)
441 {
442 for (;;) {
443 if (scf_transaction_property_change_type(tx, e, pname, ty) == 0)
444 return (0);
445
446 switch (scf_error()) {
447 case SCF_ERROR_HANDLE_MISMATCH:
448 case SCF_ERROR_INVALID_ARGUMENT:
449 case SCF_ERROR_NOT_BOUND:
450 case SCF_ERROR_CONNECTION_BROKEN:
451 case SCF_ERROR_NOT_SET:
452 case SCF_ERROR_DELETED:
453 default:
454 return (-1);
455
456 case SCF_ERROR_NOT_FOUND:
457 break;
458 }
459
460 if (scf_transaction_property_new(tx, e, pname, ty) == 0)
461 return (0);
462
463 switch (scf_error()) {
464 case SCF_ERROR_HANDLE_MISMATCH:
465 case SCF_ERROR_INVALID_ARGUMENT:
466 case SCF_ERROR_NOT_BOUND:
467 case SCF_ERROR_CONNECTION_BROKEN:
468 case SCF_ERROR_NOT_SET:
469 case SCF_ERROR_DELETED:
470 default:
471 return (-1);
472
473 case SCF_ERROR_EXISTS:
474 break;
475 }
476 }
477 }
478
479 static int
get_inst_enabled(const scf_instance_t * inst,const char * pgname)480 get_inst_enabled(const scf_instance_t *inst, const char *pgname)
481 {
482 scf_propertygroup_t *gpg = NULL;
483 scf_property_t *eprop = NULL;
484 scf_value_t *v = NULL;
485 scf_handle_t *h = NULL;
486 uint8_t enabled;
487 int ret = -1;
488
489 if ((h = scf_instance_handle(inst)) == NULL)
490 return (-1);
491
492 if ((gpg = scf_pg_create(h)) == NULL ||
493 (eprop = scf_property_create(h)) == NULL ||
494 (v = scf_value_create(h)) == NULL)
495 goto out;
496
497 if (scf_instance_get_pg(inst, pgname, gpg) ||
498 scf_pg_get_property(gpg, SCF_PROPERTY_ENABLED, eprop) ||
499 scf_property_get_value(eprop, v) ||
500 scf_value_get_boolean(v, &enabled))
501 goto out;
502 ret = enabled;
503
504 out:
505 scf_pg_destroy(gpg);
506 scf_property_destroy(eprop);
507 scf_value_destroy(v);
508 return (ret);
509 }
510
511 /*
512 * set_inst_enabled() is a "master" enable/disable call that takes the
513 * instance and the desired state for the enabled bit in the instance's
514 * named property group. If the group doesn't exist, it's created with the
515 * given flags. Called by smf_{dis,en}able_instance().
516 *
517 * Note that if we're enabling, comment will be "", and we use that to clear out
518 * any old disabled comment.
519 */
520 static int
set_inst_enabled(const scf_instance_t * inst,uint8_t desired,const char * pgname,uint32_t pgflags,const char * comment)521 set_inst_enabled(const scf_instance_t *inst, uint8_t desired,
522 const char *pgname, uint32_t pgflags, const char *comment)
523 {
524 scf_transaction_t *tx = NULL;
525 scf_transaction_entry_t *ent1 = NULL;
526 scf_transaction_entry_t *ent2 = NULL;
527 scf_propertygroup_t *gpg = NULL;
528 scf_property_t *eprop = NULL;
529 scf_value_t *v1 = NULL;
530 scf_value_t *v2 = NULL;
531 scf_handle_t *h = NULL;
532 int ret = -1;
533 int committed;
534 uint8_t b;
535
536 if ((h = scf_instance_handle(inst)) == NULL)
537 return (-1);
538
539 if ((gpg = scf_pg_create(h)) == NULL ||
540 (eprop = scf_property_create(h)) == NULL ||
541 (v1 = scf_value_create(h)) == NULL ||
542 (v2 = scf_value_create(h)) == NULL ||
543 (tx = scf_transaction_create(h)) == NULL ||
544 (ent1 = scf_entry_create(h)) == NULL ||
545 (ent2 = scf_entry_create(h)) == NULL)
546 goto out;
547
548 general_pg_get:
549 if (scf_instance_get_pg(inst, SCF_PG_GENERAL, gpg) == -1) {
550 if (scf_error() != SCF_ERROR_NOT_FOUND)
551 goto out;
552
553 if (scf_instance_add_pg(inst, SCF_PG_GENERAL,
554 SCF_GROUP_FRAMEWORK, SCF_PG_GENERAL_FLAGS, gpg) == -1) {
555 if (scf_error() != SCF_ERROR_EXISTS)
556 goto out;
557 goto general_pg_get;
558 }
559 }
560
561 if (strcmp(pgname, SCF_PG_GENERAL) != 0) {
562 get:
563 if (scf_instance_get_pg(inst, pgname, gpg) == -1) {
564 if (scf_error() != SCF_ERROR_NOT_FOUND)
565 goto out;
566
567 if (scf_instance_add_pg(inst, pgname,
568 SCF_GROUP_FRAMEWORK, pgflags, gpg) == -1) {
569 if (scf_error() != SCF_ERROR_EXISTS)
570 goto out;
571 goto get;
572 }
573 }
574 }
575
576 if (scf_pg_get_property(gpg, SCF_PROPERTY_ENABLED, eprop) == -1) {
577 if (scf_error() != SCF_ERROR_NOT_FOUND)
578 goto out;
579 else
580 goto set;
581 }
582
583 /*
584 * If it's already set the way we want, forgo the transaction.
585 */
586 if (scf_property_get_value(eprop, v1) == -1) {
587 switch (scf_error()) {
588 case SCF_ERROR_CONSTRAINT_VIOLATED:
589 case SCF_ERROR_NOT_FOUND:
590 /* Misconfigured, so set anyway. */
591 goto set;
592
593 default:
594 goto out;
595 }
596 }
597 if (scf_value_get_boolean(v1, &b) == -1) {
598 if (scf_error() != SCF_ERROR_TYPE_MISMATCH)
599 goto out;
600 goto set;
601 }
602 if (b == desired) {
603 ret = 0;
604 goto out;
605 }
606
607 set:
608 do {
609 if (scf_transaction_start(tx, gpg) == -1)
610 goto out;
611
612 if (transaction_property_set(tx, ent1, SCF_PROPERTY_ENABLED,
613 SCF_TYPE_BOOLEAN) != 0) {
614 switch (scf_error()) {
615 case SCF_ERROR_CONNECTION_BROKEN:
616 case SCF_ERROR_DELETED:
617 default:
618 goto out;
619
620 case SCF_ERROR_HANDLE_MISMATCH:
621 case SCF_ERROR_INVALID_ARGUMENT:
622 case SCF_ERROR_NOT_BOUND:
623 case SCF_ERROR_NOT_SET:
624 bad_error("transaction_property_set",
625 scf_error());
626 }
627 }
628
629 scf_value_set_boolean(v1, desired);
630 if (scf_entry_add_value(ent1, v1) == -1)
631 goto out;
632
633 if (transaction_property_set(tx, ent2,
634 SCF_PROPERTY_COMMENT, SCF_TYPE_ASTRING) != 0) {
635 switch (scf_error()) {
636 case SCF_ERROR_CONNECTION_BROKEN:
637 case SCF_ERROR_DELETED:
638 default:
639 goto out;
640
641 case SCF_ERROR_HANDLE_MISMATCH:
642 case SCF_ERROR_INVALID_ARGUMENT:
643 case SCF_ERROR_NOT_BOUND:
644 case SCF_ERROR_NOT_SET:
645 bad_error("transaction_property_set",
646 scf_error());
647 }
648 }
649
650 if (scf_value_set_astring(v2, comment) == -1)
651 goto out;
652
653 if (scf_entry_add_value(ent2, v2) == -1)
654 goto out;
655
656 committed = scf_transaction_commit(tx);
657 if (committed == -1)
658 goto out;
659
660 scf_transaction_reset(tx);
661
662 if (committed == 0) { /* out-of-sync */
663 if (scf_pg_update(gpg) == -1)
664 goto out;
665 }
666 } while (committed == 0);
667
668 ret = 0;
669
670 out:
671 scf_value_destroy(v1);
672 scf_value_destroy(v2);
673 scf_entry_destroy(ent1);
674 scf_entry_destroy(ent2);
675 scf_transaction_destroy(tx);
676 scf_property_destroy(eprop);
677 scf_pg_destroy(gpg);
678
679 return (ret);
680 }
681
682 static int
delete_inst_enabled(const scf_instance_t * inst,const char * pgname)683 delete_inst_enabled(const scf_instance_t *inst, const char *pgname)
684 {
685 scf_transaction_t *tx = NULL;
686 scf_transaction_entry_t *ent1 = NULL;
687 scf_transaction_entry_t *ent2 = NULL;
688 scf_propertygroup_t *gpg = NULL;
689 scf_handle_t *h = NULL;
690 int ret = -1;
691 int committed;
692
693 if ((h = scf_instance_handle(inst)) == NULL)
694 return (-1);
695
696 if ((gpg = scf_pg_create(h)) == NULL ||
697 (tx = scf_transaction_create(h)) == NULL ||
698 (ent1 = scf_entry_create(h)) == NULL ||
699 (ent2 = scf_entry_create(h)) == NULL)
700 goto out;
701
702 if (scf_instance_get_pg(inst, pgname, gpg) != 0)
703 goto error;
704 do {
705 if (scf_transaction_start(tx, gpg) == -1)
706 goto error;
707
708 ret = scf_transaction_property_delete(tx, ent1,
709 SCF_PROPERTY_ENABLED);
710
711 if (ret == -1 && scf_error() != SCF_ERROR_DELETED &&
712 scf_error() != SCF_ERROR_NOT_FOUND)
713 goto error;
714
715 ret = scf_transaction_property_delete(tx, ent2,
716 SCF_PROPERTY_COMMENT);
717
718 if (ret == -1 && scf_error() != SCF_ERROR_DELETED &&
719 scf_error() != SCF_ERROR_NOT_FOUND)
720 goto error;
721
722 if ((committed = scf_transaction_commit(tx)) == -1)
723 goto error;
724
725 scf_transaction_reset(tx);
726
727 if (committed == 0 && scf_pg_update(gpg) == -1)
728 goto error;
729 } while (committed == 0);
730
731 ret = 0;
732 goto out;
733
734 error:
735 switch (scf_error()) {
736 case SCF_ERROR_DELETED:
737 case SCF_ERROR_NOT_FOUND:
738 /* success */
739 ret = 0;
740 }
741
742 out:
743 scf_entry_destroy(ent1);
744 scf_entry_destroy(ent2);
745 scf_transaction_destroy(tx);
746 scf_pg_destroy(gpg);
747
748 return (ret);
749 }
750
751 /*
752 * Returns 0 on success or -1 on failure. On failure leaves scf_error() set to
753 * SCF_ERROR_HANDLE_DESTROYED - inst's handle has been destroyed
754 * SCF_ERROR_NOT_BOUND - inst's handle is not bound
755 * SCF_ERROR_CONNECTION_BROKEN - the repository connection was broken
756 * SCF_ERROR_NOT_SET - inst is not set
757 * SCF_ERROR_DELETED - inst was deleted
758 * SCF_ERROR_PERMISSION_DENIED
759 * SCF_ERROR_BACKEND_ACCESS
760 * SCF_ERROR_BACKEND_READONLY
761 */
762 static int
set_inst_action_inst(scf_instance_t * inst,const char * action)763 set_inst_action_inst(scf_instance_t *inst, const char *action)
764 {
765 scf_handle_t *h;
766 scf_transaction_t *tx = NULL;
767 scf_transaction_entry_t *ent = NULL;
768 scf_propertygroup_t *pg = NULL;
769 scf_property_t *prop = NULL;
770 scf_value_t *v = NULL;
771 int trans, ret = -1;
772 int64_t t;
773 hrtime_t timestamp;
774
775 if ((h = scf_instance_handle(inst)) == NULL ||
776 (pg = scf_pg_create(h)) == NULL ||
777 (prop = scf_property_create(h)) == NULL ||
778 (v = scf_value_create(h)) == NULL ||
779 (tx = scf_transaction_create(h)) == NULL ||
780 (ent = scf_entry_create(h)) == NULL)
781 goto out;
782
783 get:
784 if (scf_instance_get_pg(inst, SCF_PG_RESTARTER_ACTIONS, pg) == -1) {
785 switch (scf_error()) {
786 case SCF_ERROR_NOT_BOUND:
787 case SCF_ERROR_CONNECTION_BROKEN:
788 case SCF_ERROR_NOT_SET:
789 case SCF_ERROR_DELETED:
790 default:
791 goto out;
792
793 case SCF_ERROR_NOT_FOUND:
794 break;
795
796 case SCF_ERROR_HANDLE_MISMATCH:
797 case SCF_ERROR_INVALID_ARGUMENT:
798 bad_error("scf_instance_get_pg", scf_error());
799 }
800
801 /* Try creating the restarter_actions property group. */
802 add:
803 if (scf_instance_add_pg(inst, SCF_PG_RESTARTER_ACTIONS,
804 SCF_PG_RESTARTER_ACTIONS_TYPE,
805 SCF_PG_RESTARTER_ACTIONS_FLAGS, pg) == -1) {
806 switch (scf_error()) {
807 case SCF_ERROR_NOT_BOUND:
808 case SCF_ERROR_CONNECTION_BROKEN:
809 case SCF_ERROR_NOT_SET:
810 case SCF_ERROR_DELETED:
811 case SCF_ERROR_PERMISSION_DENIED:
812 case SCF_ERROR_BACKEND_ACCESS:
813 case SCF_ERROR_BACKEND_READONLY:
814 default:
815 goto out;
816
817 case SCF_ERROR_EXISTS:
818 goto get;
819
820 case SCF_ERROR_HANDLE_MISMATCH:
821 case SCF_ERROR_INVALID_ARGUMENT:
822 bad_error("scf_instance_add_pg", scf_error());
823 }
824 }
825 }
826
827 for (;;) {
828 timestamp = gethrtime();
829
830 if (scf_pg_get_property(pg, action, prop) != 0) {
831 switch (scf_error()) {
832 case SCF_ERROR_CONNECTION_BROKEN:
833 default:
834 goto out;
835
836 case SCF_ERROR_DELETED:
837 goto add;
838
839 case SCF_ERROR_NOT_FOUND:
840 break;
841
842 case SCF_ERROR_HANDLE_MISMATCH:
843 case SCF_ERROR_INVALID_ARGUMENT:
844 case SCF_ERROR_NOT_BOUND:
845 case SCF_ERROR_NOT_SET:
846 bad_error("scf_pg_get_property", scf_error());
847 }
848 } else if (scf_property_get_value(prop, v) != 0) {
849 switch (scf_error()) {
850 case SCF_ERROR_CONNECTION_BROKEN:
851 default:
852 goto out;
853
854 case SCF_ERROR_DELETED:
855 goto add;
856
857 case SCF_ERROR_CONSTRAINT_VIOLATED:
858 case SCF_ERROR_NOT_FOUND:
859 break;
860
861 case SCF_ERROR_HANDLE_MISMATCH:
862 case SCF_ERROR_NOT_BOUND:
863 case SCF_ERROR_NOT_SET:
864 bad_error("scf_property_get_value",
865 scf_error());
866 }
867 } else if (scf_value_get_integer(v, &t) != 0) {
868 bad_error("scf_value_get_integer", scf_error());
869 } else if (t > timestamp) {
870 break;
871 }
872
873 if (scf_transaction_start(tx, pg) == -1) {
874 switch (scf_error()) {
875 case SCF_ERROR_NOT_BOUND:
876 case SCF_ERROR_CONNECTION_BROKEN:
877 case SCF_ERROR_PERMISSION_DENIED:
878 case SCF_ERROR_BACKEND_ACCESS:
879 case SCF_ERROR_BACKEND_READONLY:
880 default:
881 goto out;
882
883 case SCF_ERROR_DELETED:
884 goto add;
885
886 case SCF_ERROR_HANDLE_MISMATCH:
887 case SCF_ERROR_NOT_SET:
888 case SCF_ERROR_IN_USE:
889 bad_error("scf_transaction_start", scf_error());
890 }
891 }
892
893 if (transaction_property_set(tx, ent, action,
894 SCF_TYPE_INTEGER) != 0) {
895 switch (scf_error()) {
896 case SCF_ERROR_NOT_BOUND:
897 case SCF_ERROR_CONNECTION_BROKEN:
898 case SCF_ERROR_DELETED:
899 default:
900 goto out;
901
902 case SCF_ERROR_HANDLE_MISMATCH:
903 case SCF_ERROR_INVALID_ARGUMENT:
904 case SCF_ERROR_NOT_SET:
905 bad_error("transaction_property_set",
906 scf_error());
907 }
908 }
909
910 scf_value_set_integer(v, timestamp);
911 if (scf_entry_add_value(ent, v) == -1)
912 bad_error("scf_entry_add_value", scf_error());
913
914 trans = scf_transaction_commit(tx);
915 if (trans == 1)
916 break;
917
918 if (trans != 0) {
919 switch (scf_error()) {
920 case SCF_ERROR_CONNECTION_BROKEN:
921 case SCF_ERROR_PERMISSION_DENIED:
922 case SCF_ERROR_BACKEND_ACCESS:
923 case SCF_ERROR_BACKEND_READONLY:
924 default:
925 goto out;
926
927 case SCF_ERROR_DELETED:
928 scf_transaction_reset(tx);
929 goto add;
930
931 case SCF_ERROR_INVALID_ARGUMENT:
932 case SCF_ERROR_NOT_BOUND:
933 case SCF_ERROR_NOT_SET:
934 bad_error("scf_transaction_commit",
935 scf_error());
936 }
937 }
938
939 scf_transaction_reset(tx);
940 if (scf_pg_update(pg) == -1) {
941 switch (scf_error()) {
942 case SCF_ERROR_CONNECTION_BROKEN:
943 default:
944 goto out;
945
946 case SCF_ERROR_DELETED:
947 goto add;
948
949 case SCF_ERROR_NOT_SET:
950 case SCF_ERROR_NOT_BOUND:
951 bad_error("scf_pg_update", scf_error());
952 }
953 }
954 }
955
956 ret = 0;
957
958 out:
959 scf_value_destroy(v);
960 scf_entry_destroy(ent);
961 scf_transaction_destroy(tx);
962 scf_property_destroy(prop);
963 scf_pg_destroy(pg);
964 return (ret);
965 }
966
967 static int
set_inst_action(const char * fmri,const char * action)968 set_inst_action(const char *fmri, const char *action)
969 {
970 scf_handle_t *h;
971 scf_instance_t *inst;
972 int ret = -1;
973
974 h = _scf_handle_create_and_bind(SCF_VERSION);
975 if (h == NULL)
976 return (-1);
977
978 inst = scf_instance_create(h);
979
980 if (inst != NULL) {
981 if (scf_handle_decode_fmri(h, fmri, NULL, NULL, inst, NULL,
982 NULL, SCF_DECODE_FMRI_EXACT) == 0) {
983 ret = set_inst_action_inst(inst, action);
984 if (ret == -1 && scf_error() == SCF_ERROR_DELETED)
985 (void) scf_set_error(SCF_ERROR_NOT_FOUND);
986 } else {
987 switch (scf_error()) {
988 case SCF_ERROR_CONSTRAINT_VIOLATED:
989 (void) scf_set_error(
990 SCF_ERROR_INVALID_ARGUMENT);
991 break;
992 case SCF_ERROR_DELETED:
993 (void) scf_set_error(SCF_ERROR_NOT_FOUND);
994 break;
995 }
996 }
997
998 scf_instance_destroy(inst);
999 }
1000
1001 scf_handle_destroy(h);
1002
1003 return (ret);
1004 }
1005
1006
1007 /*
1008 * get_inst_state() gets the state string from an instance, and returns
1009 * the SCF_STATE_* constant that coincides with the instance's current state.
1010 */
1011
1012 static int
get_inst_state(scf_instance_t * inst,scf_handle_t * h)1013 get_inst_state(scf_instance_t *inst, scf_handle_t *h)
1014 {
1015 scf_propertygroup_t *pg = NULL;
1016 scf_property_t *prop = NULL;
1017 scf_value_t *val = NULL;
1018 char state[MAX_SCF_STATE_STRING_SZ];
1019 int ret = -1;
1020
1021 if (((pg = scf_pg_create(h)) == NULL) ||
1022 ((prop = scf_property_create(h)) == NULL) ||
1023 ((val = scf_value_create(h)) == NULL))
1024 goto out;
1025
1026 /* Pull the state property from the instance */
1027
1028 if (scf_instance_get_pg(inst, SCF_PG_RESTARTER, pg) == -1 ||
1029 scf_pg_get_property(pg, SCF_PROPERTY_STATE, prop) == -1 ||
1030 scf_property_get_value(prop, val) == -1) {
1031 if (scf_error() != SCF_ERROR_CONNECTION_BROKEN)
1032 (void) scf_set_error(SCF_ERROR_INTERNAL);
1033 goto out;
1034 }
1035
1036 if (scf_value_get_astring(val, state, sizeof (state)) <= 0) {
1037 (void) scf_set_error(SCF_ERROR_INTERNAL);
1038 goto out;
1039 }
1040
1041 if (strcmp(state, SCF_STATE_STRING_UNINIT) == 0) {
1042 ret = SCF_STATE_UNINIT;
1043 } else if (strcmp(state, SCF_STATE_STRING_MAINT) == 0) {
1044 ret = SCF_STATE_MAINT;
1045 } else if (strcmp(state, SCF_STATE_STRING_OFFLINE) == 0) {
1046 ret = SCF_STATE_OFFLINE;
1047 } else if (strcmp(state, SCF_STATE_STRING_DISABLED) == 0) {
1048 ret = SCF_STATE_DISABLED;
1049 } else if (strcmp(state, SCF_STATE_STRING_ONLINE) == 0) {
1050 ret = SCF_STATE_ONLINE;
1051 } else if (strcmp(state, SCF_STATE_STRING_DEGRADED) == 0) {
1052 ret = SCF_STATE_DEGRADED;
1053 }
1054
1055 out:
1056 scf_pg_destroy(pg);
1057 scf_property_destroy(prop);
1058 (void) scf_value_destroy(val);
1059
1060 return (ret);
1061 }
1062
1063 /*
1064 * Sets an instance to be enabled or disabled after reboot, using the
1065 * temporary (overriding) general_ovr property group to reflect the
1066 * present state, if it is different.
1067 */
1068 static int
set_inst_enabled_atboot(scf_instance_t * inst,uint8_t desired,const char * comment)1069 set_inst_enabled_atboot(scf_instance_t *inst, uint8_t desired,
1070 const char *comment)
1071 {
1072 int enabled;
1073 int persistent;
1074 int ret = -1;
1075
1076 if ((persistent = get_inst_enabled(inst, SCF_PG_GENERAL)) < 0) {
1077 if (scf_error() != SCF_ERROR_NOT_FOUND)
1078 goto out;
1079 persistent = B_FALSE;
1080 }
1081 if ((enabled = get_inst_enabled(inst, SCF_PG_GENERAL_OVR)) < 0) {
1082 enabled = persistent;
1083 if (persistent != desired) {
1084 /*
1085 * Temporarily store the present enabled state.
1086 */
1087 if (set_inst_enabled(inst, persistent,
1088 SCF_PG_GENERAL_OVR, SCF_PG_GENERAL_OVR_FLAGS,
1089 comment))
1090 goto out;
1091 }
1092 }
1093 if (persistent != desired)
1094 if (set_inst_enabled(inst, desired, SCF_PG_GENERAL,
1095 SCF_PG_GENERAL_FLAGS, comment))
1096 goto out;
1097 if (enabled == desired)
1098 ret = delete_inst_enabled(inst, SCF_PG_GENERAL_OVR);
1099 else
1100 ret = 0;
1101
1102 out:
1103 return (ret);
1104 }
1105
1106 static int
set_inst_enabled_flags(const char * fmri,int flags,uint8_t desired,const char * comment)1107 set_inst_enabled_flags(const char *fmri, int flags, uint8_t desired,
1108 const char *comment)
1109 {
1110 int ret = -1;
1111 scf_handle_t *h;
1112 scf_instance_t *inst;
1113
1114 if (flags & ~(SMF_TEMPORARY | SMF_AT_NEXT_BOOT) ||
1115 flags & SMF_TEMPORARY && flags & SMF_AT_NEXT_BOOT) {
1116 (void) scf_set_error(SCF_ERROR_INVALID_ARGUMENT);
1117 return (ret);
1118 }
1119
1120 if ((h = _scf_handle_create_and_bind(SCF_VERSION)) == NULL)
1121 return (ret);
1122
1123 if ((inst = scf_instance_create(h)) == NULL) {
1124 scf_handle_destroy(h);
1125 return (ret);
1126 }
1127
1128 if (scf_handle_decode_fmri(h, fmri, NULL, NULL, inst, NULL, NULL,
1129 SCF_DECODE_FMRI_EXACT) == -1) {
1130 if (scf_error() == SCF_ERROR_CONSTRAINT_VIOLATED)
1131 (void) scf_set_error(SCF_ERROR_INVALID_ARGUMENT);
1132 goto out;
1133 }
1134
1135 if (flags & SMF_AT_NEXT_BOOT) {
1136 ret = set_inst_enabled_atboot(inst, desired, comment);
1137 } else {
1138 if (set_inst_enabled(inst, desired, flags & SMF_TEMPORARY ?
1139 SCF_PG_GENERAL_OVR : SCF_PG_GENERAL, flags & SMF_TEMPORARY ?
1140 SCF_PG_GENERAL_OVR_FLAGS : SCF_PG_GENERAL_FLAGS, comment))
1141 goto out;
1142
1143 /*
1144 * Make the persistent value effective by deleting the
1145 * temporary one.
1146 */
1147 if (flags & SMF_TEMPORARY)
1148 ret = 0;
1149 else
1150 ret = delete_inst_enabled(inst, SCF_PG_GENERAL_OVR);
1151 }
1152
1153 out:
1154 scf_instance_destroy(inst);
1155 scf_handle_destroy(h);
1156 if (ret == -1 && scf_error() == SCF_ERROR_DELETED)
1157 (void) scf_set_error(SCF_ERROR_NOT_FOUND);
1158 return (ret);
1159 }
1160
1161 /*
1162 * Create and return a pg from the instance associated with the given handle.
1163 * This function is only called in scf_transaction_setup and
1164 * scf_transaction_restart where the h->rh_instance pointer is properly filled
1165 * in by scf_general_setup_pg().
1166 */
1167 static scf_propertygroup_t *
get_instance_pg(scf_simple_handle_t * simple_h)1168 get_instance_pg(scf_simple_handle_t *simple_h)
1169 {
1170 scf_propertygroup_t *ret_pg = scf_pg_create(simple_h->h);
1171 char *pg_name;
1172 ssize_t namelen;
1173
1174 if (ret_pg == NULL) {
1175 return (NULL);
1176 }
1177
1178 namelen = scf_limit(SCF_LIMIT_MAX_NAME_LENGTH) + 1;
1179 assert(namelen > 0);
1180
1181 if ((pg_name = malloc(namelen)) == NULL) {
1182 if (scf_error() == SCF_ERROR_NOT_SET) {
1183 (void) scf_set_error(SCF_ERROR_NO_MEMORY);
1184 }
1185 return (NULL);
1186 }
1187
1188 if (scf_pg_get_name(simple_h->running_pg, pg_name, namelen) < 0) {
1189 if (scf_error() == SCF_ERROR_NOT_SET) {
1190 (void) scf_set_error(SCF_ERROR_INTERNAL);
1191 }
1192 return (NULL);
1193 }
1194
1195 /* Get pg from instance */
1196 if (scf_instance_get_pg(simple_h->inst, pg_name, ret_pg) == -1) {
1197 return (NULL);
1198 }
1199
1200 return (ret_pg);
1201 }
1202
1203 int
smf_enable_instance(const char * fmri,int flags)1204 smf_enable_instance(const char *fmri, int flags)
1205 {
1206 return (set_inst_enabled_flags(fmri, flags, B_TRUE, ""));
1207 }
1208
1209 int
smf_disable_instance_with_comment(const char * fmri,int flags,const char * comment)1210 smf_disable_instance_with_comment(const char *fmri, int flags,
1211 const char *comment)
1212 {
1213 return (set_inst_enabled_flags(fmri, flags, B_FALSE, comment));
1214 }
1215
1216 int
smf_disable_instance(const char * fmri,int flags)1217 smf_disable_instance(const char *fmri, int flags)
1218 {
1219 return (set_inst_enabled_flags(fmri, flags, B_FALSE, ""));
1220 }
1221 int
_smf_refresh_instance_i(scf_instance_t * inst)1222 _smf_refresh_instance_i(scf_instance_t *inst)
1223 {
1224 return (set_inst_action_inst(inst, SCF_PROPERTY_REFRESH));
1225 }
1226
1227 int
_smf_refresh_all_instances(scf_service_t * s)1228 _smf_refresh_all_instances(scf_service_t *s)
1229 {
1230 scf_handle_t *h = scf_service_handle(s);
1231 scf_instance_t *i = scf_instance_create(h);
1232 scf_iter_t *it = scf_iter_create(h);
1233 int err, r = -1;
1234
1235 if (h == NULL || i == NULL || it == NULL)
1236 goto error;
1237
1238 if (scf_iter_service_instances(it, s) != 0)
1239 goto error;
1240
1241 while ((err = scf_iter_next_instance(it, i)) == 1)
1242 if (_smf_refresh_instance_i(i) != 0)
1243 goto error;
1244
1245 if (err == -1)
1246 goto error;
1247
1248 r = 0;
1249 error:
1250 scf_instance_destroy(i);
1251 scf_iter_destroy(it);
1252
1253 return (r);
1254 }
1255
1256 int
smf_refresh_instance(const char * instance)1257 smf_refresh_instance(const char *instance)
1258 {
1259 return (set_inst_action(instance, SCF_PROPERTY_REFRESH));
1260 }
1261
1262 int
smf_restart_instance(const char * instance)1263 smf_restart_instance(const char *instance)
1264 {
1265 return (set_inst_action(instance, SCF_PROPERTY_RESTART));
1266 }
1267
1268 int
smf_maintain_instance(const char * instance,int flags)1269 smf_maintain_instance(const char *instance, int flags)
1270 {
1271 if (flags & SMF_TEMPORARY)
1272 return (set_inst_action(instance,
1273 (flags & SMF_IMMEDIATE) ?
1274 SCF_PROPERTY_MAINT_ON_IMMTEMP :
1275 SCF_PROPERTY_MAINT_ON_TEMPORARY));
1276 else
1277 return (set_inst_action(instance,
1278 (flags & SMF_IMMEDIATE) ?
1279 SCF_PROPERTY_MAINT_ON_IMMEDIATE :
1280 SCF_PROPERTY_MAINT_ON));
1281 }
1282
1283 int
smf_degrade_instance(const char * instance,int flags)1284 smf_degrade_instance(const char *instance, int flags)
1285 {
1286 scf_simple_prop_t *prop;
1287 const char *state_str;
1288
1289 if (flags & SMF_TEMPORARY)
1290 return (scf_set_error(SCF_ERROR_INVALID_ARGUMENT));
1291
1292 if ((prop = scf_simple_prop_get(NULL, instance, SCF_PG_RESTARTER,
1293 SCF_PROPERTY_STATE)) == NULL)
1294 return (SCF_FAILED);
1295
1296 if ((state_str = scf_simple_prop_next_astring(prop)) == NULL) {
1297 scf_simple_prop_free(prop);
1298 return (SCF_FAILED);
1299 }
1300
1301 if (strcmp(state_str, SCF_STATE_STRING_ONLINE) != 0) {
1302 scf_simple_prop_free(prop);
1303 return (scf_set_error(SCF_ERROR_CONSTRAINT_VIOLATED));
1304 }
1305 scf_simple_prop_free(prop);
1306
1307 return (set_inst_action(instance, (flags & SMF_IMMEDIATE) ?
1308 SCF_PROPERTY_DEGRADE_IMMEDIATE : SCF_PROPERTY_DEGRADED));
1309 }
1310
1311 int
smf_restore_instance(const char * instance)1312 smf_restore_instance(const char *instance)
1313 {
1314 scf_simple_prop_t *prop;
1315 const char *state_str;
1316 int ret;
1317
1318 if ((prop = scf_simple_prop_get(NULL, instance, SCF_PG_RESTARTER,
1319 SCF_PROPERTY_STATE)) == NULL)
1320 return (SCF_FAILED);
1321
1322 if ((state_str = scf_simple_prop_next_astring(prop)) == NULL) {
1323 scf_simple_prop_free(prop);
1324 return (SCF_FAILED);
1325 }
1326
1327 if (strcmp(state_str, SCF_STATE_STRING_MAINT) == 0) {
1328 ret = set_inst_action(instance, SCF_PROPERTY_MAINT_OFF);
1329 } else if (strcmp(state_str, SCF_STATE_STRING_DEGRADED) == 0) {
1330 ret = set_inst_action(instance, SCF_PROPERTY_RESTORE);
1331 } else {
1332 ret = scf_set_error(SCF_ERROR_CONSTRAINT_VIOLATED);
1333 }
1334
1335 scf_simple_prop_free(prop);
1336 return (ret);
1337 }
1338
1339 char *
smf_get_state(const char * instance)1340 smf_get_state(const char *instance)
1341 {
1342 scf_simple_prop_t *prop;
1343 const char *state_str;
1344 char *ret;
1345
1346 if ((prop = scf_simple_prop_get(NULL, instance, SCF_PG_RESTARTER,
1347 SCF_PROPERTY_STATE)) == NULL)
1348 return (NULL);
1349
1350 if ((state_str = scf_simple_prop_next_astring(prop)) == NULL) {
1351 scf_simple_prop_free(prop);
1352 return (NULL);
1353 }
1354
1355 if ((ret = strdup(state_str)) == NULL)
1356 (void) scf_set_error(SCF_ERROR_NO_MEMORY);
1357
1358 scf_simple_prop_free(prop);
1359 return (ret);
1360 }
1361
1362 /*
1363 * scf_general_pg_setup(fmri, pg_name)
1364 * Create a scf_simple_handle_t and fill in the instance, snapshot, and
1365 * property group fields associated with the given fmri and property group
1366 * name.
1367 * Returns:
1368 * Handle on success
1369 * Null on error with scf_error set to:
1370 * SCF_ERROR_HANDLE_MISMATCH,
1371 * SCF_ERROR_INVALID_ARGUMENT,
1372 * SCF_ERROR_CONSTRAINT_VIOLATED,
1373 * SCF_ERROR_NOT_FOUND,
1374 * SCF_ERROR_NOT_SET,
1375 * SCF_ERROR_DELETED,
1376 * SCF_ERROR_NOT_BOUND,
1377 * SCF_ERROR_CONNECTION_BROKEN,
1378 * SCF_ERROR_INTERNAL,
1379 * SCF_ERROR_NO_RESOURCES,
1380 * SCF_ERROR_BACKEND_ACCESS
1381 */
1382 scf_simple_handle_t *
scf_general_pg_setup(const char * fmri,const char * pg_name)1383 scf_general_pg_setup(const char *fmri, const char *pg_name)
1384 {
1385 scf_simple_handle_t *ret;
1386
1387 ret = uu_zalloc(sizeof (*ret));
1388 if (ret == NULL) {
1389 (void) scf_set_error(SCF_ERROR_NO_MEMORY);
1390 return (NULL);
1391 } else {
1392
1393 ret->h = _scf_handle_create_and_bind(SCF_VERSION);
1394 ret->inst = scf_instance_create(ret->h);
1395 ret->snap = scf_snapshot_create(ret->h);
1396 ret->running_pg = scf_pg_create(ret->h);
1397 }
1398
1399 if ((ret->h == NULL) || (ret->inst == NULL) ||
1400 (ret->snap == NULL) || (ret->running_pg == NULL)) {
1401 goto out;
1402 }
1403
1404 if (scf_handle_decode_fmri(ret->h, fmri, NULL, NULL, ret->inst,
1405 NULL, NULL, 0) == -1) {
1406 goto out;
1407 }
1408
1409 if ((scf_instance_get_snapshot(ret->inst, "running", ret->snap))
1410 != 0) {
1411 goto out;
1412 }
1413
1414 if (scf_instance_get_pg_composed(ret->inst, ret->snap, pg_name,
1415 ret->running_pg) != 0) {
1416 goto out;
1417 }
1418
1419 return (ret);
1420
1421 out:
1422 scf_simple_handle_destroy(ret);
1423 return (NULL);
1424 }
1425
1426 /*
1427 * scf_transaction_setup(h)
1428 * creates and starts the transaction
1429 * Returns:
1430 * transaction on success
1431 * NULL on failure with scf_error set to:
1432 * SCF_ERROR_NO_MEMORY,
1433 * SCF_ERROR_INVALID_ARGUMENT,
1434 * SCF_ERROR_HANDLE_DESTROYED,
1435 * SCF_ERROR_INTERNAL,
1436 * SCF_ERROR_NO_RESOURCES,
1437 * SCF_ERROR_NOT_BOUND,
1438 * SCF_ERROR_CONNECTION_BROKEN,
1439 * SCF_ERROR_NOT_SET,
1440 * SCF_ERROR_DELETED,
1441 * SCF_ERROR_CONSTRAINT_VIOLATED,
1442 * SCF_ERROR_HANDLE_MISMATCH,
1443 * SCF_ERROR_BACKEND_ACCESS,
1444 * SCF_ERROR_IN_USE
1445 */
1446 scf_transaction_t *
scf_transaction_setup(scf_simple_handle_t * simple_h)1447 scf_transaction_setup(scf_simple_handle_t *simple_h)
1448 {
1449 scf_transaction_t *tx = NULL;
1450
1451 if ((tx = scf_transaction_create(simple_h->h)) == NULL) {
1452 return (NULL);
1453 }
1454
1455 if ((simple_h->editing_pg = get_instance_pg(simple_h)) == NULL) {
1456 return (NULL);
1457 }
1458
1459 if (scf_transaction_start(tx, simple_h->editing_pg) == -1) {
1460 scf_pg_destroy(simple_h->editing_pg);
1461 simple_h->editing_pg = NULL;
1462 return (NULL);
1463 }
1464
1465 return (tx);
1466 }
1467
1468 int
scf_transaction_restart(scf_simple_handle_t * simple_h,scf_transaction_t * tx)1469 scf_transaction_restart(scf_simple_handle_t *simple_h, scf_transaction_t *tx)
1470 {
1471 scf_transaction_reset(tx);
1472
1473 if (scf_pg_update(simple_h->editing_pg) == -1) {
1474 return (SCF_FAILED);
1475 }
1476
1477 if (scf_transaction_start(tx, simple_h->editing_pg) == -1) {
1478 return (SCF_FAILED);
1479 }
1480
1481 return (SCF_SUCCESS);
1482 }
1483
1484 /*
1485 * scf_read_count_property(scf_simple_handle_t *simple_h, char *prop_name,
1486 * uint64_t *ret_count)
1487 *
1488 * For the given property name, return the count value.
1489 * RETURNS:
1490 * SCF_SUCCESS
1491 * SCF_FAILED on failure with scf_error() set to:
1492 * SCF_ERROR_HANDLE_DESTROYED
1493 * SCF_ERROR_INTERNAL
1494 * SCF_ERROR_NO_RESOURCES
1495 * SCF_ERROR_NO_MEMORY
1496 * SCF_ERROR_HANDLE_MISMATCH
1497 * SCF_ERROR_INVALID_ARGUMENT
1498 * SCF_ERROR_NOT_BOUND
1499 * SCF_ERROR_CONNECTION_BROKEN
1500 * SCF_ERROR_NOT_SET
1501 * SCF_ERROR_DELETED
1502 * SCF_ERROR_BACKEND_ACCESS
1503 * SCF_ERROR_CONSTRAINT_VIOLATED
1504 * SCF_ERROR_TYPE_MISMATCH
1505 */
1506 int
scf_read_count_property(scf_simple_handle_t * simple_h,char * prop_name,uint64_t * ret_count)1507 scf_read_count_property(
1508 scf_simple_handle_t *simple_h,
1509 char *prop_name,
1510 uint64_t *ret_count)
1511 {
1512 scf_property_t *prop = scf_property_create(simple_h->h);
1513 scf_value_t *val = scf_value_create(simple_h->h);
1514 int ret = SCF_FAILED;
1515
1516 if ((val == NULL) || (prop == NULL)) {
1517 goto out;
1518 }
1519
1520 /*
1521 * Get the property struct that goes with this property group and
1522 * property name.
1523 */
1524 if (scf_pg_get_property(simple_h->running_pg, prop_name, prop) != 0) {
1525 goto out;
1526 }
1527
1528 /* Get the value structure */
1529 if (scf_property_get_value(prop, val) == -1) {
1530 goto out;
1531 }
1532
1533 /*
1534 * Now get the count value.
1535 */
1536 if (scf_value_get_count(val, ret_count) == -1) {
1537 goto out;
1538 }
1539
1540 ret = SCF_SUCCESS;
1541
1542 out:
1543 scf_property_destroy(prop);
1544 scf_value_destroy(val);
1545 return (ret);
1546 }
1547
1548 /*
1549 * scf_trans_add_count_property(trans, propname, count, create_flag)
1550 *
1551 * Set a count property transaction entry into the pending SMF transaction.
1552 * The transaction is created and committed outside of this function.
1553 * Returns:
1554 * SCF_SUCCESS
1555 * SCF_FAILED on failure with scf_error() set to:
1556 * SCF_ERROR_HANDLE_DESTROYED,
1557 * SCF_ERROR_INVALID_ARGUMENT,
1558 * SCF_ERROR_NO_MEMORY,
1559 * SCF_ERROR_HANDLE_MISMATCH,
1560 * SCF_ERROR_NOT_SET,
1561 * SCF_ERROR_IN_USE,
1562 * SCF_ERROR_NOT_FOUND,
1563 * SCF_ERROR_EXISTS,
1564 * SCF_ERROR_TYPE_MISMATCH,
1565 * SCF_ERROR_NOT_BOUND,
1566 * SCF_ERROR_CONNECTION_BROKEN,
1567 * SCF_ERROR_INTERNAL,
1568 * SCF_ERROR_DELETED,
1569 * SCF_ERROR_NO_RESOURCES,
1570 * SCF_ERROR_BACKEND_ACCESS
1571 */
1572 int
scf_set_count_property(scf_transaction_t * trans,char * propname,uint64_t count,boolean_t create_flag)1573 scf_set_count_property(
1574 scf_transaction_t *trans,
1575 char *propname,
1576 uint64_t count,
1577 boolean_t create_flag)
1578 {
1579 scf_handle_t *handle = scf_transaction_handle(trans);
1580 scf_value_t *value = scf_value_create(handle);
1581 scf_transaction_entry_t *entry = scf_entry_create(handle);
1582
1583 if ((value == NULL) || (entry == NULL)) {
1584 return (SCF_FAILED);
1585 }
1586
1587 /*
1588 * Property must be set in transaction and won't take
1589 * effect until the transaction is committed.
1590 *
1591 * Attempt to change the current value. However, create new property
1592 * if it doesn't exist and the create flag is set.
1593 */
1594 if (scf_transaction_property_change(trans, entry, propname,
1595 SCF_TYPE_COUNT) == 0) {
1596 scf_value_set_count(value, count);
1597 if (scf_entry_add_value(entry, value) == 0) {
1598 return (SCF_SUCCESS);
1599 }
1600 } else {
1601 if ((create_flag == B_TRUE) &&
1602 (scf_error() == SCF_ERROR_NOT_FOUND)) {
1603 if (scf_transaction_property_new(trans, entry, propname,
1604 SCF_TYPE_COUNT) == 0) {
1605 scf_value_set_count(value, count);
1606 if (scf_entry_add_value(entry, value) == 0) {
1607 return (SCF_SUCCESS);
1608 }
1609 }
1610 }
1611 }
1612
1613 /*
1614 * cleanup if there were any errors that didn't leave these
1615 * values where they would be cleaned up later.
1616 */
1617 if (value != NULL)
1618 scf_value_destroy(value);
1619 if (entry != NULL)
1620 scf_entry_destroy(entry);
1621 return (SCF_FAILED);
1622 }
1623
1624 int
scf_simple_walk_instances(uint_t state_flags,void * private,int (* inst_callback)(scf_handle_t *,scf_instance_t *,void *))1625 scf_simple_walk_instances(uint_t state_flags, void *private,
1626 int (*inst_callback)(scf_handle_t *, scf_instance_t *, void *))
1627 {
1628 scf_scope_t *scope = NULL;
1629 scf_service_t *svc = NULL;
1630 scf_instance_t *inst = NULL;
1631 scf_iter_t *svc_iter = NULL, *inst_iter = NULL;
1632 scf_handle_t *h = NULL;
1633 int ret = SCF_FAILED;
1634 int svc_iter_ret, inst_iter_ret;
1635 int inst_state;
1636
1637 if ((h = _scf_handle_create_and_bind(SCF_VERSION)) == NULL)
1638 return (ret);
1639
1640 if (((scope = scf_scope_create(h)) == NULL) ||
1641 ((svc = scf_service_create(h)) == NULL) ||
1642 ((inst = scf_instance_create(h)) == NULL) ||
1643 ((svc_iter = scf_iter_create(h)) == NULL) ||
1644 ((inst_iter = scf_iter_create(h)) == NULL))
1645 goto out;
1646
1647 /*
1648 * Get the local scope, and set up nested iteration through every
1649 * local service, and every instance of every service.
1650 */
1651
1652 if ((scf_handle_get_local_scope(h, scope) != SCF_SUCCESS) ||
1653 (scf_iter_scope_services(svc_iter, scope) != SCF_SUCCESS))
1654 goto out;
1655
1656 while ((svc_iter_ret = scf_iter_next_service(svc_iter, svc)) > 0) {
1657
1658 if ((scf_iter_service_instances(inst_iter, svc)) !=
1659 SCF_SUCCESS)
1660 goto out;
1661
1662 while ((inst_iter_ret =
1663 scf_iter_next_instance(inst_iter, inst)) > 0) {
1664 /*
1665 * If get_inst_state fails from an internal error,
1666 * IE, being unable to get the property group or
1667 * property containing the state of the instance,
1668 * we continue instead of failing, as this might just
1669 * be an improperly configured instance.
1670 */
1671 if ((inst_state = get_inst_state(inst, h)) == -1) {
1672 if (scf_error() == SCF_ERROR_INTERNAL) {
1673 continue;
1674 } else {
1675 goto out;
1676 }
1677 }
1678
1679 if ((uint_t)inst_state & state_flags) {
1680 if (inst_callback(h, inst, private) !=
1681 SCF_SUCCESS) {
1682 (void) scf_set_error(
1683 SCF_ERROR_CALLBACK_FAILED);
1684 goto out;
1685 }
1686 }
1687 }
1688
1689 if (inst_iter_ret == -1)
1690 goto out;
1691 scf_iter_reset(inst_iter);
1692 }
1693
1694 if (svc_iter_ret != -1)
1695 ret = SCF_SUCCESS;
1696
1697 out:
1698 scf_scope_destroy(scope);
1699 scf_service_destroy(svc);
1700 scf_instance_destroy(inst);
1701 scf_iter_destroy(svc_iter);
1702 scf_iter_destroy(inst_iter);
1703 scf_handle_destroy(h);
1704
1705 return (ret);
1706 }
1707
1708
1709 scf_simple_prop_t *
scf_simple_prop_get(scf_handle_t * hin,const char * instance,const char * pgname,const char * propname)1710 scf_simple_prop_get(scf_handle_t *hin, const char *instance, const char *pgname,
1711 const char *propname)
1712 {
1713 char *fmri_buf, *svcfmri = NULL;
1714 ssize_t fmri_sz;
1715 scf_property_t *prop = NULL;
1716 scf_service_t *svc = NULL;
1717 scf_simple_prop_t *ret;
1718 scf_handle_t *h = NULL;
1719 boolean_t local_h = B_TRUE;
1720
1721 /* If the user passed in a handle, use it. */
1722 if (hin != NULL) {
1723 h = hin;
1724 local_h = B_FALSE;
1725 }
1726
1727 if (local_h && ((h = _scf_handle_create_and_bind(SCF_VERSION)) == NULL))
1728 return (NULL);
1729
1730 if ((fmri_buf = assemble_fmri(h, instance, pgname, propname)) == NULL) {
1731 if (local_h)
1732 scf_handle_destroy(h);
1733 return (NULL);
1734 }
1735
1736 if ((svc = scf_service_create(h)) == NULL ||
1737 (prop = scf_property_create(h)) == NULL)
1738 goto error1;
1739 if (scf_handle_decode_fmri(h, fmri_buf, NULL, NULL, NULL, NULL, prop,
1740 SCF_DECODE_FMRI_REQUIRE_INSTANCE) == -1) {
1741 switch (scf_error()) {
1742 /*
1743 * If the property isn't found in the instance, we grab the
1744 * underlying service, create an FMRI out of it, and then
1745 * query the datastore again at the service level for the
1746 * property.
1747 */
1748 case SCF_ERROR_NOT_FOUND:
1749 if (scf_handle_decode_fmri(h, fmri_buf, NULL, svc,
1750 NULL, NULL, NULL, SCF_DECODE_FMRI_TRUNCATE) == -1)
1751 goto error1;
1752
1753 fmri_sz = scf_limit(SCF_LIMIT_MAX_FMRI_LENGTH) + 1;
1754 assert(fmri_sz > 0);
1755
1756 if (scf_service_to_fmri(svc, fmri_buf, fmri_sz) == -1)
1757 goto error1;
1758 if ((svcfmri = assemble_fmri(h, fmri_buf, pgname,
1759 propname)) == NULL)
1760 goto error1;
1761 if (scf_handle_decode_fmri(h, svcfmri, NULL, NULL,
1762 NULL, NULL, prop, 0) == -1) {
1763 free(svcfmri);
1764 goto error1;
1765 }
1766 free(svcfmri);
1767 break;
1768 case SCF_ERROR_CONSTRAINT_VIOLATED:
1769 (void) scf_set_error(SCF_ERROR_INVALID_ARGUMENT);
1770 default:
1771 goto error1;
1772 }
1773 }
1774 /*
1775 * At this point, we've successfully pulled the property from the
1776 * datastore, and simply need to copy its innards into an
1777 * scf_simple_prop_t.
1778 */
1779 if ((ret = fill_prop(prop, pgname, propname, h)) == NULL)
1780 goto error1;
1781
1782 scf_service_destroy(svc);
1783 scf_property_destroy(prop);
1784 free(fmri_buf);
1785 if (local_h)
1786 scf_handle_destroy(h);
1787 return (ret);
1788
1789 /*
1790 * Exit point for a successful call. Below this line are exit points
1791 * for failures at various stages during the function.
1792 */
1793
1794 error1:
1795 scf_service_destroy(svc);
1796 scf_property_destroy(prop);
1797 free(fmri_buf);
1798 if (local_h)
1799 scf_handle_destroy(h);
1800 return (NULL);
1801 }
1802
1803
1804 void
scf_simple_prop_free(scf_simple_prop_t * prop)1805 scf_simple_prop_free(scf_simple_prop_t *prop)
1806 {
1807 int i;
1808
1809 if (prop == NULL)
1810 return;
1811
1812 free(prop->pr_propname);
1813 free(prop->pr_pgname);
1814 switch (prop->pr_type) {
1815 case SCF_TYPE_OPAQUE: {
1816 for (i = 0; i < prop->pr_numvalues; i++) {
1817 free(prop->pr_vallist[i].pv_opaque.o_value);
1818 }
1819 break;
1820 }
1821 case SCF_TYPE_ASTRING:
1822 case SCF_TYPE_USTRING:
1823 case SCF_TYPE_HOST:
1824 case SCF_TYPE_HOSTNAME:
1825 case SCF_TYPE_NET_ADDR:
1826 case SCF_TYPE_NET_ADDR_V4:
1827 case SCF_TYPE_NET_ADDR_V6:
1828 case SCF_TYPE_URI:
1829 case SCF_TYPE_FMRI: {
1830 for (i = 0; i < prop->pr_numvalues; i++) {
1831 free(prop->pr_vallist[i].pv_str);
1832 }
1833 break;
1834 }
1835 default:
1836 break;
1837 }
1838 free(prop->pr_vallist);
1839 free(prop);
1840 }
1841
1842
1843 scf_simple_app_props_t *
scf_simple_app_props_get(scf_handle_t * hin,const char * inst_fmri)1844 scf_simple_app_props_get(scf_handle_t *hin, const char *inst_fmri)
1845 {
1846 scf_instance_t *inst = NULL;
1847 scf_service_t *svc = NULL;
1848 scf_propertygroup_t *pg = NULL;
1849 scf_property_t *prop = NULL;
1850 scf_simple_app_props_t *ret = NULL;
1851 scf_iter_t *pgiter = NULL, *propiter = NULL;
1852 struct scf_simple_pg *thispg = NULL, *nextpg;
1853 scf_simple_prop_t *thisprop, *nextprop;
1854 scf_handle_t *h = NULL;
1855 int pgiter_ret, propiter_ret;
1856 ssize_t namelen;
1857 char *propname = NULL, *pgname = NULL, *sys_fmri;
1858 uint8_t found;
1859 boolean_t local_h = B_TRUE;
1860
1861 /* If the user passed in a handle, use it. */
1862 if (hin != NULL) {
1863 h = hin;
1864 local_h = B_FALSE;
1865 }
1866
1867 if (local_h && ((h = _scf_handle_create_and_bind(SCF_VERSION)) == NULL))
1868 return (NULL);
1869
1870 if (inst_fmri == NULL) {
1871 if ((namelen = scf_myname(h, NULL, 0)) == -1) {
1872 if (local_h)
1873 scf_handle_destroy(h);
1874 return (NULL);
1875 }
1876 if ((sys_fmri = malloc(namelen + 1)) == NULL) {
1877 if (local_h)
1878 scf_handle_destroy(h);
1879 (void) scf_set_error(SCF_ERROR_NO_MEMORY);
1880 return (NULL);
1881 }
1882 if (scf_myname(h, sys_fmri, namelen + 1) == -1) {
1883 if (local_h)
1884 scf_handle_destroy(h);
1885 free(sys_fmri);
1886 return (NULL);
1887 }
1888 } else {
1889 if ((sys_fmri = strdup(inst_fmri)) == NULL) {
1890 if (local_h)
1891 scf_handle_destroy(h);
1892 (void) scf_set_error(SCF_ERROR_NO_MEMORY);
1893 return (NULL);
1894 }
1895 }
1896
1897 namelen = scf_limit(SCF_LIMIT_MAX_NAME_LENGTH) + 1;
1898 assert(namelen > 0);
1899
1900 if ((inst = scf_instance_create(h)) == NULL ||
1901 (svc = scf_service_create(h)) == NULL ||
1902 (pgiter = scf_iter_create(h)) == NULL ||
1903 (propiter = scf_iter_create(h)) == NULL ||
1904 (pg = scf_pg_create(h)) == NULL ||
1905 (prop = scf_property_create(h)) == NULL) {
1906 free(sys_fmri);
1907 goto error2;
1908 }
1909
1910 if (scf_handle_decode_fmri(h, sys_fmri, NULL, svc, inst, NULL, NULL,
1911 SCF_DECODE_FMRI_REQUIRE_INSTANCE) == -1) {
1912 free(sys_fmri);
1913 if (scf_error() == SCF_ERROR_CONSTRAINT_VIOLATED)
1914 (void) scf_set_error(SCF_ERROR_INVALID_ARGUMENT);
1915 goto error2;
1916 }
1917
1918 if ((ret = malloc(sizeof (*ret))) == NULL ||
1919 (thispg = malloc(sizeof (*thispg))) == NULL ||
1920 (propname = malloc(namelen)) == NULL ||
1921 (pgname = malloc(namelen)) == NULL) {
1922 free(thispg);
1923 free(ret);
1924 free(sys_fmri);
1925 (void) scf_set_error(SCF_ERROR_NO_MEMORY);
1926 goto error2;
1927 }
1928
1929 ret->ap_fmri = sys_fmri;
1930 thispg->pg_name = NULL;
1931 thispg->pg_proplist = NULL;
1932 thispg->pg_next = NULL;
1933 ret->ap_pglist = thispg;
1934
1935 if (scf_iter_service_pgs_typed(pgiter, svc, SCF_GROUP_APPLICATION) !=
1936 0) {
1937 if (scf_error() != SCF_ERROR_CONNECTION_BROKEN)
1938 (void) scf_set_error(SCF_ERROR_INTERNAL);
1939 goto error1;
1940 }
1941
1942 while ((pgiter_ret = scf_iter_next_pg(pgiter, pg)) == 1) {
1943 if (thispg->pg_name != NULL) {
1944 if ((nextpg = malloc(sizeof (*nextpg))) == NULL) {
1945 (void) scf_set_error(SCF_ERROR_NO_MEMORY);
1946 goto error1;
1947 }
1948 nextpg->pg_name = NULL;
1949 nextpg->pg_next = NULL;
1950 nextpg->pg_proplist = NULL;
1951 thispg->pg_next = nextpg;
1952 thispg = nextpg;
1953 } else {
1954 /* This is the first iteration */
1955 nextpg = thispg;
1956 }
1957
1958 if ((nextpg->pg_name = malloc(namelen)) == NULL) {
1959 (void) scf_set_error(SCF_ERROR_NO_MEMORY);
1960 goto error1;
1961 }
1962
1963 if (scf_pg_get_name(pg, nextpg->pg_name, namelen) < 0) {
1964 if (scf_error() == SCF_ERROR_NOT_SET)
1965 (void) scf_set_error(SCF_ERROR_INTERNAL);
1966 goto error1;
1967 }
1968
1969 thisprop = NULL;
1970
1971 scf_iter_reset(propiter);
1972
1973 if (scf_iter_pg_properties(propiter, pg) != 0) {
1974 if (scf_error() != SCF_ERROR_CONNECTION_BROKEN)
1975 (void) scf_set_error(SCF_ERROR_INTERNAL);
1976 goto error1;
1977 }
1978
1979 while ((propiter_ret = scf_iter_next_property(propiter, prop))
1980 == 1) {
1981 if (scf_property_get_name(prop, propname, namelen) <
1982 0) {
1983 if (scf_error() == SCF_ERROR_NOT_SET)
1984 (void) scf_set_error(
1985 SCF_ERROR_INTERNAL);
1986 goto error1;
1987 }
1988 if (thisprop != NULL) {
1989 if ((nextprop = fill_prop(prop,
1990 nextpg->pg_name, propname, h)) == NULL)
1991 goto error1;
1992 thisprop->pr_next = nextprop;
1993 thisprop = nextprop;
1994 } else {
1995 /* This is the first iteration */
1996 if ((thisprop = fill_prop(prop,
1997 nextpg->pg_name, propname, h)) == NULL)
1998 goto error1;
1999 nextpg->pg_proplist = thisprop;
2000 nextprop = thisprop;
2001 }
2002 nextprop->pr_pg = nextpg;
2003 nextprop->pr_next = NULL;
2004 }
2005
2006 if (propiter_ret == -1) {
2007 if (scf_error() != SCF_ERROR_CONNECTION_BROKEN)
2008 (void) scf_set_error(SCF_ERROR_INTERNAL);
2009 goto error1;
2010 }
2011 }
2012
2013 if (pgiter_ret == -1) {
2014 if (scf_error() != SCF_ERROR_CONNECTION_BROKEN)
2015 (void) scf_set_error(SCF_ERROR_INTERNAL);
2016 goto error1;
2017 }
2018
2019 /*
2020 * At this point, we've filled the scf_simple_app_props_t with all the
2021 * properties at the service level. Now we iterate over all the
2022 * properties at the instance level, overwriting any duplicate
2023 * properties, in order to provide service/instance composition.
2024 */
2025
2026 scf_iter_reset(pgiter);
2027 scf_iter_reset(propiter);
2028
2029 if (scf_iter_instance_pgs_typed(pgiter, inst, SCF_GROUP_APPLICATION)
2030 != 0) {
2031 if (scf_error() != SCF_ERROR_CONNECTION_BROKEN)
2032 (void) scf_set_error(SCF_ERROR_INTERNAL);
2033 goto error1;
2034 }
2035
2036 while ((pgiter_ret = scf_iter_next_pg(pgiter, pg)) == 1) {
2037
2038 thispg = ret->ap_pglist;
2039 found = 0;
2040
2041 /*
2042 * Find either the end of the list, so we can append the
2043 * property group, or an existing property group that matches
2044 * it, so we can insert/overwrite its properties.
2045 */
2046
2047 if (scf_pg_get_name(pg, pgname, namelen) < 0) {
2048 if (scf_error() == SCF_ERROR_NOT_SET)
2049 (void) scf_set_error(SCF_ERROR_INTERNAL);
2050 goto error1;
2051 }
2052
2053 while ((thispg != NULL) && (thispg->pg_name != NULL)) {
2054 if (strcmp(thispg->pg_name, pgname) == 0) {
2055 found = 1;
2056 break;
2057 }
2058 if (thispg->pg_next == NULL)
2059 break;
2060
2061 thispg = thispg->pg_next;
2062 }
2063
2064 scf_iter_reset(propiter);
2065
2066 if (scf_iter_pg_properties(propiter, pg) != 0) {
2067 if (scf_error() != SCF_ERROR_CONNECTION_BROKEN)
2068 (void) scf_set_error(SCF_ERROR_INTERNAL);
2069 goto error1;
2070 }
2071
2072 if (found) {
2073 /*
2074 * insert_app_props inserts or overwrites the
2075 * properties in thispg.
2076 */
2077
2078 if (insert_app_props(propiter, pgname, propname,
2079 thispg, prop, namelen, h) == -1)
2080 goto error1;
2081
2082 } else {
2083 /*
2084 * If the property group wasn't found, we're adding
2085 * a newly allocated property group to the end of the
2086 * list.
2087 */
2088
2089 if ((nextpg = malloc(sizeof (*nextpg))) == NULL) {
2090 (void) scf_set_error(SCF_ERROR_NO_MEMORY);
2091 goto error1;
2092 }
2093 nextpg->pg_next = NULL;
2094 nextpg->pg_proplist = NULL;
2095 thisprop = NULL;
2096
2097 if ((nextpg->pg_name = strdup(pgname)) == NULL) {
2098 (void) scf_set_error(SCF_ERROR_NO_MEMORY);
2099 free(nextpg);
2100 goto error1;
2101 }
2102
2103 if (thispg->pg_name == NULL) {
2104 free(thispg);
2105 ret->ap_pglist = nextpg;
2106 } else {
2107 thispg->pg_next = nextpg;
2108 }
2109
2110 while ((propiter_ret =
2111 scf_iter_next_property(propiter, prop)) == 1) {
2112 if (scf_property_get_name(prop, propname,
2113 namelen) < 0) {
2114 if (scf_error() == SCF_ERROR_NOT_SET)
2115 (void) scf_set_error(
2116 SCF_ERROR_INTERNAL);
2117 goto error1;
2118 }
2119 if (thisprop != NULL) {
2120 if ((nextprop = fill_prop(prop,
2121 pgname, propname, h)) ==
2122 NULL)
2123 goto error1;
2124 thisprop->pr_next = nextprop;
2125 thisprop = nextprop;
2126 } else {
2127 /* This is the first iteration */
2128 if ((thisprop = fill_prop(prop,
2129 pgname, propname, h)) ==
2130 NULL)
2131 goto error1;
2132 nextpg->pg_proplist = thisprop;
2133 nextprop = thisprop;
2134 }
2135 nextprop->pr_pg = nextpg;
2136 nextprop->pr_next = NULL;
2137 }
2138
2139 if (propiter_ret == -1) {
2140 if (scf_error() != SCF_ERROR_CONNECTION_BROKEN)
2141 (void) scf_set_error(
2142 SCF_ERROR_INTERNAL);
2143 goto error1;
2144 }
2145 }
2146
2147 }
2148
2149 if (pgiter_ret == -1) {
2150 if (scf_error() != SCF_ERROR_CONNECTION_BROKEN)
2151 (void) scf_set_error(SCF_ERROR_INTERNAL);
2152 goto error1;
2153 }
2154
2155 if (ret->ap_pglist->pg_name == NULL)
2156 goto error1;
2157
2158 scf_iter_destroy(pgiter);
2159 scf_iter_destroy(propiter);
2160 scf_pg_destroy(pg);
2161 scf_property_destroy(prop);
2162 scf_instance_destroy(inst);
2163 scf_service_destroy(svc);
2164 free(propname);
2165 free(pgname);
2166 if (local_h)
2167 scf_handle_destroy(h);
2168
2169 return (ret);
2170
2171 /*
2172 * Exit point for a successful call. Below this line are exit points
2173 * for failures at various stages during the function.
2174 */
2175
2176 error1:
2177 scf_simple_app_props_free(ret);
2178
2179 error2:
2180 scf_iter_destroy(pgiter);
2181 scf_iter_destroy(propiter);
2182 scf_pg_destroy(pg);
2183 scf_property_destroy(prop);
2184 scf_instance_destroy(inst);
2185 scf_service_destroy(svc);
2186 free(propname);
2187 free(pgname);
2188 if (local_h)
2189 scf_handle_destroy(h);
2190 return (NULL);
2191 }
2192
2193
2194 void
scf_simple_app_props_free(scf_simple_app_props_t * propblock)2195 scf_simple_app_props_free(scf_simple_app_props_t *propblock)
2196 {
2197 struct scf_simple_pg *pgthis, *pgnext;
2198 scf_simple_prop_t *propthis, *propnext;
2199
2200 if ((propblock == NULL) || (propblock->ap_pglist == NULL))
2201 return;
2202
2203 for (pgthis = propblock->ap_pglist; pgthis != NULL; pgthis = pgnext) {
2204 pgnext = pgthis->pg_next;
2205
2206 propthis = pgthis->pg_proplist;
2207
2208 while (propthis != NULL) {
2209 propnext = propthis->pr_next;
2210 scf_simple_prop_free(propthis);
2211 propthis = propnext;
2212 }
2213
2214 free(pgthis->pg_name);
2215 free(pgthis);
2216 }
2217
2218 free(propblock->ap_fmri);
2219 free(propblock);
2220 }
2221
2222 const scf_simple_prop_t *
scf_simple_app_props_next(const scf_simple_app_props_t * propblock,scf_simple_prop_t * last)2223 scf_simple_app_props_next(const scf_simple_app_props_t *propblock,
2224 scf_simple_prop_t *last)
2225 {
2226 struct scf_simple_pg *this;
2227
2228 if (propblock == NULL) {
2229 (void) scf_set_error(SCF_ERROR_NOT_SET);
2230 return (NULL);
2231 }
2232
2233 this = propblock->ap_pglist;
2234
2235 /*
2236 * We're looking for the first property in this block if last is
2237 * NULL
2238 */
2239
2240 if (last == NULL) {
2241 /* An empty pglist is legal, it just means no properties */
2242 if (this == NULL) {
2243 (void) scf_set_error(SCF_ERROR_NONE);
2244 return (NULL);
2245 }
2246 /*
2247 * Walk until we find a pg with a property in it, or we run
2248 * out of property groups.
2249 */
2250 while ((this->pg_proplist == NULL) && (this->pg_next != NULL))
2251 this = this->pg_next;
2252
2253 if (this->pg_proplist == NULL) {
2254 (void) scf_set_error(SCF_ERROR_NONE);
2255 return (NULL);
2256 }
2257
2258 return (this->pg_proplist);
2259
2260 }
2261 /*
2262 * If last isn't NULL, then return the next prop in the property group,
2263 * or walk the property groups until we find another property, or
2264 * run out of property groups.
2265 */
2266 if (last->pr_next != NULL)
2267 return (last->pr_next);
2268
2269 if (last->pr_pg->pg_next == NULL) {
2270 (void) scf_set_error(SCF_ERROR_NONE);
2271 return (NULL);
2272 }
2273
2274 this = last->pr_pg->pg_next;
2275
2276 while ((this->pg_proplist == NULL) && (this->pg_next != NULL))
2277 this = this->pg_next;
2278
2279 if (this->pg_proplist == NULL) {
2280 (void) scf_set_error(SCF_ERROR_NONE);
2281 return (NULL);
2282 }
2283
2284 return (this->pg_proplist);
2285 }
2286
2287 const scf_simple_prop_t *
scf_simple_app_props_search(const scf_simple_app_props_t * propblock,const char * pgname,const char * propname)2288 scf_simple_app_props_search(const scf_simple_app_props_t *propblock,
2289 const char *pgname, const char *propname)
2290 {
2291 struct scf_simple_pg *pg;
2292 scf_simple_prop_t *prop;
2293
2294 if ((propblock == NULL) || (propname == NULL)) {
2295 (void) scf_set_error(SCF_ERROR_NOT_SET);
2296 return (NULL);
2297 }
2298
2299 pg = propblock->ap_pglist;
2300
2301 /*
2302 * If pgname is NULL, we're searching the default application
2303 * property group, otherwise we look for the specified group.
2304 */
2305 if (pgname == NULL) {
2306 while ((pg != NULL) &&
2307 (strcmp(SCF_PG_APP_DEFAULT, pg->pg_name) != 0))
2308 pg = pg->pg_next;
2309 } else {
2310 while ((pg != NULL) && (strcmp(pgname, pg->pg_name) != 0))
2311 pg = pg->pg_next;
2312 }
2313
2314 if (pg == NULL) {
2315 (void) scf_set_error(SCF_ERROR_NOT_FOUND);
2316 return (NULL);
2317 }
2318
2319 prop = pg->pg_proplist;
2320
2321 while ((prop != NULL) && (strcmp(propname, prop->pr_propname) != 0))
2322 prop = prop->pr_next;
2323
2324 if (prop == NULL) {
2325 (void) scf_set_error(SCF_ERROR_NOT_FOUND);
2326 return (NULL);
2327 }
2328
2329 return (prop);
2330 }
2331
2332 void
scf_simple_prop_next_reset(scf_simple_prop_t * prop)2333 scf_simple_prop_next_reset(scf_simple_prop_t *prop)
2334 {
2335 if (prop == NULL)
2336 return;
2337 prop->pr_iter = 0;
2338 }
2339
2340 ssize_t
scf_simple_prop_numvalues(const scf_simple_prop_t * prop)2341 scf_simple_prop_numvalues(const scf_simple_prop_t *prop)
2342 {
2343 if (prop == NULL)
2344 return (scf_set_error(SCF_ERROR_NOT_SET));
2345
2346 return (prop->pr_numvalues);
2347 }
2348
2349
2350 scf_type_t
scf_simple_prop_type(const scf_simple_prop_t * prop)2351 scf_simple_prop_type(const scf_simple_prop_t *prop)
2352 {
2353 if (prop == NULL)
2354 return (scf_set_error(SCF_ERROR_NOT_SET));
2355
2356 return (prop->pr_type);
2357 }
2358
2359
2360 char *
scf_simple_prop_name(const scf_simple_prop_t * prop)2361 scf_simple_prop_name(const scf_simple_prop_t *prop)
2362 {
2363 if ((prop == NULL) || (prop->pr_propname == NULL)) {
2364 (void) scf_set_error(SCF_ERROR_NOT_SET);
2365 return (NULL);
2366 }
2367
2368 return (prop->pr_propname);
2369 }
2370
2371
2372 char *
scf_simple_prop_pgname(const scf_simple_prop_t * prop)2373 scf_simple_prop_pgname(const scf_simple_prop_t *prop)
2374 {
2375 if ((prop == NULL) || (prop->pr_pgname == NULL)) {
2376 (void) scf_set_error(SCF_ERROR_NOT_SET);
2377 return (NULL);
2378 }
2379
2380 return (prop->pr_pgname);
2381 }
2382
2383
2384 static union scf_simple_prop_val *
scf_next_val(scf_simple_prop_t * prop,scf_type_t type)2385 scf_next_val(scf_simple_prop_t *prop, scf_type_t type)
2386 {
2387 if (prop == NULL) {
2388 (void) scf_set_error(SCF_ERROR_NOT_SET);
2389 return (NULL);
2390 }
2391
2392 switch (prop->pr_type) {
2393 case SCF_TYPE_USTRING:
2394 case SCF_TYPE_HOST:
2395 case SCF_TYPE_HOSTNAME:
2396 case SCF_TYPE_NET_ADDR:
2397 case SCF_TYPE_NET_ADDR_V4:
2398 case SCF_TYPE_NET_ADDR_V6:
2399 case SCF_TYPE_URI:
2400 case SCF_TYPE_FMRI: {
2401 if (type != SCF_TYPE_USTRING) {
2402 (void) scf_set_error(SCF_ERROR_TYPE_MISMATCH);
2403 return (NULL);
2404 }
2405 break;
2406 }
2407 default: {
2408 if (type != prop->pr_type) {
2409 (void) scf_set_error(SCF_ERROR_TYPE_MISMATCH);
2410 return (NULL);
2411 }
2412 break;
2413 }
2414 }
2415
2416 if (prop->pr_iter >= prop->pr_numvalues) {
2417 (void) scf_set_error(SCF_ERROR_NONE);
2418 return (NULL);
2419 }
2420
2421 return (&prop->pr_vallist[prop->pr_iter++]);
2422 }
2423
2424
2425 uint8_t *
scf_simple_prop_next_boolean(scf_simple_prop_t * prop)2426 scf_simple_prop_next_boolean(scf_simple_prop_t *prop)
2427 {
2428 union scf_simple_prop_val *ret;
2429
2430 ret = scf_next_val(prop, SCF_TYPE_BOOLEAN);
2431
2432 if (ret == NULL)
2433 return (NULL);
2434
2435 return (&ret->pv_bool);
2436 }
2437
2438
2439 uint64_t *
scf_simple_prop_next_count(scf_simple_prop_t * prop)2440 scf_simple_prop_next_count(scf_simple_prop_t *prop)
2441 {
2442 union scf_simple_prop_val *ret;
2443
2444 ret = scf_next_val(prop, SCF_TYPE_COUNT);
2445
2446 if (ret == NULL)
2447 return (NULL);
2448
2449 return (&ret->pv_uint);
2450 }
2451
2452
2453 int64_t *
scf_simple_prop_next_integer(scf_simple_prop_t * prop)2454 scf_simple_prop_next_integer(scf_simple_prop_t *prop)
2455 {
2456 union scf_simple_prop_val *ret;
2457
2458 ret = scf_next_val(prop, SCF_TYPE_INTEGER);
2459
2460 if (ret == NULL)
2461 return (NULL);
2462
2463 return (&ret->pv_int);
2464 }
2465
2466 int64_t *
scf_simple_prop_next_time(scf_simple_prop_t * prop,int32_t * nsec)2467 scf_simple_prop_next_time(scf_simple_prop_t *prop, int32_t *nsec)
2468 {
2469 union scf_simple_prop_val *ret;
2470
2471 ret = scf_next_val(prop, SCF_TYPE_TIME);
2472
2473 if (ret == NULL)
2474 return (NULL);
2475
2476 if (nsec != NULL)
2477 *nsec = ret->pv_time.t_nsec;
2478
2479 return (&ret->pv_time.t_sec);
2480 }
2481
2482 char *
scf_simple_prop_next_astring(scf_simple_prop_t * prop)2483 scf_simple_prop_next_astring(scf_simple_prop_t *prop)
2484 {
2485 union scf_simple_prop_val *ret;
2486
2487 ret = scf_next_val(prop, SCF_TYPE_ASTRING);
2488
2489 if (ret == NULL)
2490 return (NULL);
2491
2492 return (ret->pv_str);
2493 }
2494
2495 char *
scf_simple_prop_next_ustring(scf_simple_prop_t * prop)2496 scf_simple_prop_next_ustring(scf_simple_prop_t *prop)
2497 {
2498 union scf_simple_prop_val *ret;
2499
2500 ret = scf_next_val(prop, SCF_TYPE_USTRING);
2501
2502 if (ret == NULL)
2503 return (NULL);
2504
2505 return (ret->pv_str);
2506 }
2507
2508 void *
scf_simple_prop_next_opaque(scf_simple_prop_t * prop,size_t * length)2509 scf_simple_prop_next_opaque(scf_simple_prop_t *prop, size_t *length)
2510 {
2511 union scf_simple_prop_val *ret;
2512
2513 ret = scf_next_val(prop, SCF_TYPE_OPAQUE);
2514
2515 if (ret == NULL) {
2516 *length = 0;
2517 return (NULL);
2518 }
2519
2520 *length = ret->pv_opaque.o_size;
2521 return (ret->pv_opaque.o_value);
2522 }
2523
2524 /*
2525 * Generate a filename based on the fmri and the given name and return
2526 * it in the buffer of MAXPATHLEN provided by the caller.
2527 * If temp_filename is non-zero, also generate a temporary, unique filename
2528 * and return it in the temp buffer of MAXPATHLEN provided by the caller.
2529 * The path to the generated pathname is also created.
2530 * Given fmri should begin with a scheme such as "svc:".
2531 * Returns
2532 * 0 on success
2533 * -1 if filename would exceed MAXPATHLEN or
2534 * -2 if unable to create directory to filename path
2535 */
2536 int
gen_filenms_from_fmri(const char * fmri,const char * name,char * filename,char * temp_filename)2537 gen_filenms_from_fmri(const char *fmri, const char *name, char *filename,
2538 char *temp_filename)
2539 {
2540 int len;
2541
2542 len = strlen(SMF_SPEEDY_FILES_PATH);
2543 len += strlen(fmri);
2544 len += 2; /* for slash and null */
2545 len += strlen(name);
2546 len += 6; /* For X's needed for mkstemp */
2547
2548 if (len > MAXPATHLEN)
2549 return (-1);
2550
2551 /* Construct directory name first - speedy path ends in slash */
2552 (void) strcpy(filename, SMF_SPEEDY_FILES_PATH);
2553 (void) strcat(filename, fmri);
2554 if (mkdirp(filename, 0755) == -1) {
2555 /* errno is set */
2556 if (errno != EEXIST)
2557 return (-2);
2558 }
2559
2560 (void) strcat(filename, "/");
2561 (void) strcat(filename, name);
2562
2563 if (temp_filename) {
2564 (void) strcpy(temp_filename, filename);
2565 (void) strcat(temp_filename, "XXXXXX");
2566 }
2567
2568 return (0);
2569 }
2570
2571 scf_type_t
scf_true_base_type(scf_type_t type)2572 scf_true_base_type(scf_type_t type)
2573 {
2574 scf_type_t base = type;
2575
2576 do {
2577 type = base;
2578 (void) scf_type_base_type(type, &base);
2579 } while (base != type);
2580
2581 return (base);
2582 }
2583
2584 /*
2585 * Convenience routine which frees all strings and opaque data
2586 * allocated by scf_read_propvec.
2587 *
2588 * Like free(3C), this function preserves the value of errno.
2589 */
2590 void
scf_clean_propvec(scf_propvec_t * propvec)2591 scf_clean_propvec(scf_propvec_t *propvec)
2592 {
2593 int saved_errno = errno;
2594 scf_propvec_t *prop;
2595
2596 for (prop = propvec; prop->pv_prop != NULL; prop++) {
2597 assert(prop->pv_type != SCF_TYPE_INVALID);
2598 if (prop->pv_type == SCF_TYPE_OPAQUE) {
2599 scf_opaque_t *o = prop->pv_ptr;
2600
2601 if (o->so_addr != NULL)
2602 free(o->so_addr);
2603 } else if (scf_true_base_type(prop->pv_type) ==
2604 SCF_TYPE_ASTRING) {
2605 if (*(char **)prop->pv_ptr != NULL)
2606 free(*(char **)prop->pv_ptr);
2607 }
2608 }
2609
2610 errno = saved_errno;
2611 }
2612
2613 static int
count_props(scf_propvec_t * props)2614 count_props(scf_propvec_t *props)
2615 {
2616 int count = 0;
2617
2618 for (; props->pv_prop != NULL; props++)
2619 count++;
2620 return (count);
2621 }
2622
2623 /*
2624 * Reads a vector of properties from the specified fmri/property group.
2625 * If 'running' is true, reads from the running snapshot instead of the
2626 * editing snapshot.
2627 *
2628 * For string types, a buffer is allocated using malloc(3C) to hold the
2629 * zero-terminated string, a pointer to which is stored in the
2630 * caller-provided char **. It is the caller's responsbility to free
2631 * this string. To simplify error handling, unread strings are
2632 * initialized to NULL.
2633 *
2634 * For opaque types, a buffer is allocated using malloc(3C) to hold the
2635 * opaque data. A pointer to this buffer and its size are stored in
2636 * the caller-provided scf_opaque_t. It is the caller's responsibility
2637 * to free this buffer. To simplify error handling, the address fields
2638 * for unread opaque data are initialized to NULL.
2639 *
2640 * All other data is stored directly in caller-provided variables or
2641 * structures.
2642 *
2643 * If this function fails to read a specific property, *badprop is set
2644 * to point at that property's entry in the properties array.
2645 *
2646 * On all failures, all memory allocated by this function is freed.
2647 */
2648 int
scf_read_propvec(const char * fmri,const char * pgname,boolean_t running,scf_propvec_t * properties,scf_propvec_t ** badprop)2649 scf_read_propvec(const char *fmri, const char *pgname, boolean_t running,
2650 scf_propvec_t *properties, scf_propvec_t **badprop)
2651 {
2652 scf_handle_t *h = _scf_handle_create_and_bind(SCF_VERSION);
2653 scf_service_t *s = scf_service_create(h);
2654 scf_instance_t *i = scf_instance_create(h);
2655 scf_snapshot_t *snap = running ? scf_snapshot_create(h) : NULL;
2656 scf_propertygroup_t *pg = scf_pg_create(h);
2657 scf_property_t *p = scf_property_create(h);
2658 scf_value_t *v = scf_value_create(h);
2659 boolean_t instance = B_TRUE;
2660 scf_propvec_t *prop;
2661 int error = 0;
2662
2663 for (prop = properties; prop->pv_prop != NULL; prop++) {
2664 if (prop->pv_type == SCF_TYPE_OPAQUE)
2665 ((scf_opaque_t *)prop->pv_ptr)->so_addr = NULL;
2666 else if (scf_true_base_type(prop->pv_type) == SCF_TYPE_ASTRING)
2667 *((char **)prop->pv_ptr) = NULL;
2668 }
2669
2670 if (h == NULL || s == NULL || i == NULL || (running && snap == NULL) ||
2671 pg == NULL || p == NULL || v == NULL)
2672 goto scferror;
2673
2674 if (scf_handle_decode_fmri(h, fmri, NULL, s, i, NULL, NULL, 0) == -1)
2675 goto scferror;
2676
2677 if (scf_instance_to_fmri(i, NULL, 0) == -1) {
2678 if (scf_error() != SCF_ERROR_NOT_SET)
2679 goto scferror;
2680 instance = B_FALSE;
2681 }
2682
2683 if (running) {
2684 if (!instance) {
2685 error = SCF_ERROR_TYPE_MISMATCH;
2686 goto out;
2687 }
2688
2689 if (scf_instance_get_snapshot(i, "running", snap) !=
2690 SCF_SUCCESS)
2691 goto scferror;
2692 }
2693
2694 if ((instance ? scf_instance_get_pg_composed(i, snap, pgname, pg) :
2695 scf_service_get_pg(s, pgname, pg)) == -1)
2696 goto scferror;
2697
2698 for (prop = properties; prop->pv_prop != NULL; prop++) {
2699 int ret = 0;
2700
2701 if (scf_pg_get_property(pg, prop->pv_prop, p) == -1 ||
2702 scf_property_get_value(p, v) == -1) {
2703 *badprop = prop;
2704 goto scferror;
2705 }
2706 switch (prop->pv_type) {
2707 case SCF_TYPE_BOOLEAN: {
2708 uint8_t b;
2709
2710 ret = scf_value_get_boolean(v, &b);
2711 if (ret == -1)
2712 break;
2713 if (prop->pv_aux != 0) {
2714 uint64_t *bits = prop->pv_ptr;
2715 *bits = b ? (*bits | prop->pv_aux) :
2716 (*bits & ~prop->pv_aux);
2717 } else {
2718 boolean_t *bool = prop->pv_ptr;
2719 *bool = b ? B_TRUE : B_FALSE;
2720 }
2721 break;
2722 }
2723 case SCF_TYPE_COUNT:
2724 ret = scf_value_get_count(v, prop->pv_ptr);
2725 break;
2726 case SCF_TYPE_INTEGER:
2727 ret = scf_value_get_integer(v, prop->pv_ptr);
2728 break;
2729 case SCF_TYPE_TIME: {
2730 scf_time_t *time = prop->pv_ptr;
2731
2732 ret = scf_value_get_time(v, &time->t_seconds,
2733 &time->t_ns);
2734 break;
2735 }
2736 case SCF_TYPE_OPAQUE: {
2737 scf_opaque_t *opaque = prop->pv_ptr;
2738 ssize_t size = scf_value_get_opaque(v, NULL, 0);
2739
2740 if (size == -1) {
2741 *badprop = prop;
2742 goto scferror;
2743 }
2744 if ((opaque->so_addr = malloc(size)) == NULL) {
2745 error = SCF_ERROR_NO_MEMORY;
2746 goto out;
2747 }
2748 opaque->so_size = size;
2749 ret = scf_value_get_opaque(v, opaque->so_addr, size);
2750 break;
2751 }
2752 default: {
2753 char *s;
2754 ssize_t size;
2755
2756 assert(scf_true_base_type(prop->pv_type) ==
2757 SCF_TYPE_ASTRING);
2758
2759 size = scf_value_get_astring(v, NULL, 0);
2760 if (size == -1) {
2761 *badprop = prop;
2762 goto scferror;
2763 }
2764 if ((s = malloc(++size)) == NULL) {
2765 error = SCF_ERROR_NO_MEMORY;
2766 goto out;
2767 }
2768 ret = scf_value_get_astring(v, s, size);
2769 *(char **)prop->pv_ptr = s;
2770 }
2771
2772 if (ret == -1) {
2773 *badprop = prop;
2774 goto scferror;
2775 }
2776
2777 }
2778 }
2779
2780 goto out;
2781
2782 scferror:
2783 error = scf_error();
2784 scf_clean_propvec(properties);
2785
2786 out:
2787 scf_value_destroy(v);
2788 scf_property_destroy(p);
2789 scf_pg_destroy(pg);
2790 scf_snapshot_destroy(snap);
2791 scf_instance_destroy(i);
2792 scf_service_destroy(s);
2793 scf_handle_destroy(h);
2794
2795 if (error != 0) {
2796 (void) scf_set_error(error);
2797 return (SCF_FAILED);
2798 }
2799
2800 return (SCF_SUCCESS);
2801 }
2802
2803 /*
2804 * Writes a vector of properties to the specified fmri/property group.
2805 *
2806 * If this function fails to write a specific property, *badprop is set
2807 * to point at that property's entry in the properties array.
2808 *
2809 * One significant difference between this function and the
2810 * scf_read_propvec function is that for string types, pv_ptr is a
2811 * char *, not a char **. This means that you can't write a propvec
2812 * you just read, but makes other uses (hopefully the majority) simpler.
2813 */
2814 int
scf_write_propvec(const char * fmri,const char * pgname,scf_propvec_t * properties,scf_propvec_t ** badprop)2815 scf_write_propvec(const char *fmri, const char *pgname,
2816 scf_propvec_t *properties, scf_propvec_t **badprop)
2817 {
2818 scf_handle_t *h = _scf_handle_create_and_bind(SCF_VERSION);
2819 scf_service_t *s = scf_service_create(h);
2820 scf_instance_t *inst = scf_instance_create(h);
2821 scf_snapshot_t *snap = scf_snapshot_create(h);
2822 scf_propertygroup_t *pg = scf_pg_create(h);
2823 scf_property_t *p = scf_property_create(h);
2824 scf_transaction_t *tx = scf_transaction_create(h);
2825 scf_value_t **v = NULL;
2826 scf_transaction_entry_t **e = NULL;
2827 boolean_t instance = B_TRUE;
2828 int i, n;
2829 scf_propvec_t *prop;
2830 int error = 0, ret;
2831
2832 n = count_props(properties);
2833 v = calloc(n, sizeof (scf_value_t *));
2834 e = calloc(n, sizeof (scf_transaction_entry_t *));
2835
2836 if (v == NULL || e == NULL) {
2837 error = SCF_ERROR_NO_MEMORY;
2838 goto out;
2839 }
2840
2841 if (h == NULL || s == NULL || inst == NULL || pg == NULL || p == NULL ||
2842 tx == NULL)
2843 goto scferror;
2844
2845 for (i = 0; i < n; i++) {
2846 v[i] = scf_value_create(h);
2847 e[i] = scf_entry_create(h);
2848 if (v[i] == NULL || e[i] == NULL)
2849 goto scferror;
2850 }
2851
2852 if (scf_handle_decode_fmri(h, fmri, NULL, s, inst, NULL, NULL, 0)
2853 != SCF_SUCCESS)
2854 goto scferror;
2855
2856 if (scf_instance_to_fmri(inst, NULL, 0) == -1) {
2857 if (scf_error() != SCF_ERROR_NOT_SET)
2858 goto scferror;
2859 instance = B_FALSE;
2860 }
2861
2862 if ((instance ? scf_instance_get_pg(inst, pgname, pg) :
2863 scf_service_get_pg(s, pgname, pg)) == -1)
2864 goto scferror;
2865
2866 top:
2867 if (scf_transaction_start(tx, pg) == -1)
2868 goto scferror;
2869
2870 for (prop = properties, i = 0; prop->pv_prop != NULL; prop++, i++) {
2871 ret = scf_transaction_property_change(tx, e[i], prop->pv_prop,
2872 prop->pv_type);
2873 if (ret == -1 && scf_error() == SCF_ERROR_NOT_FOUND)
2874 ret = scf_transaction_property_new(tx, e[i],
2875 prop->pv_prop, prop->pv_type);
2876
2877 if (ret == -1) {
2878 *badprop = prop;
2879 goto scferror;
2880 }
2881
2882 switch (prop->pv_type) {
2883 case SCF_TYPE_BOOLEAN: {
2884 boolean_t b = (prop->pv_aux != 0) ?
2885 (*(uint64_t *)prop->pv_ptr & prop->pv_aux) != 0 :
2886 *(boolean_t *)prop->pv_ptr;
2887
2888 scf_value_set_boolean(v[i], b ? 1 : 0);
2889 break;
2890 }
2891 case SCF_TYPE_COUNT:
2892 scf_value_set_count(v[i], *(uint64_t *)prop->pv_ptr);
2893 break;
2894 case SCF_TYPE_INTEGER:
2895 scf_value_set_integer(v[i], *(int64_t *)prop->pv_ptr);
2896 break;
2897 case SCF_TYPE_TIME: {
2898 scf_time_t *time = prop->pv_ptr;
2899
2900 ret = scf_value_set_time(v[i], time->t_seconds,
2901 time->t_ns);
2902 break;
2903 }
2904 case SCF_TYPE_OPAQUE: {
2905 scf_opaque_t *opaque = prop->pv_ptr;
2906
2907 ret = scf_value_set_opaque(v[i], opaque->so_addr,
2908 opaque->so_size);
2909 break;
2910 }
2911 case SCF_TYPE_ASTRING:
2912 ret = scf_value_set_astring(v[i],
2913 (const char *)prop->pv_ptr);
2914 break;
2915 default:
2916 ret = scf_value_set_from_string(v[i], prop->pv_type,
2917 (const char *)prop->pv_ptr);
2918 }
2919
2920 if (ret == -1 || scf_entry_add_value(e[i], v[i]) == -1) {
2921 *badprop = prop;
2922 goto scferror;
2923 }
2924 }
2925
2926 ret = scf_transaction_commit(tx);
2927 if (ret == 1)
2928 goto out;
2929
2930 if (ret == 0 && scf_pg_update(pg) != -1) {
2931 scf_transaction_reset(tx);
2932 goto top;
2933 }
2934
2935 scferror:
2936 error = scf_error();
2937
2938 out:
2939 if (v != NULL) {
2940 for (i = 0; i < n; i++)
2941 scf_value_destroy(v[i]);
2942 free(v);
2943 }
2944
2945 if (e != NULL) {
2946 for (i = 0; i < n; i++)
2947 scf_entry_destroy(e[i]);
2948 free(e);
2949 }
2950
2951 scf_transaction_destroy(tx);
2952 scf_property_destroy(p);
2953 scf_pg_destroy(pg);
2954 scf_snapshot_destroy(snap);
2955 scf_instance_destroy(inst);
2956 scf_service_destroy(s);
2957 scf_handle_destroy(h);
2958
2959 if (error != 0) {
2960 (void) scf_set_error(error);
2961 return (SCF_FAILED);
2962 }
2963
2964 return (SCF_SUCCESS);
2965 }
2966
2967 /*
2968 * Returns
2969 * 0 - success
2970 * ECONNABORTED - repository connection broken
2971 * ECANCELED - inst was deleted
2972 * EPERM
2973 * EACCES
2974 * EROFS
2975 * ENOMEM
2976 */
2977 int
scf_instance_delete_prop(scf_instance_t * inst,const char * pgname,const char * pname)2978 scf_instance_delete_prop(scf_instance_t *inst, const char *pgname,
2979 const char *pname)
2980 {
2981 scf_handle_t *h;
2982 scf_propertygroup_t *pg;
2983 scf_transaction_t *tx;
2984 scf_transaction_entry_t *e;
2985 int error = 0, ret = 1, r;
2986
2987 h = scf_instance_handle(inst);
2988
2989 if ((pg = scf_pg_create(h)) == NULL) {
2990 return (ENOMEM);
2991 }
2992
2993 if (scf_instance_get_pg(inst, pgname, pg) != 0) {
2994 error = scf_error();
2995 scf_pg_destroy(pg);
2996 switch (error) {
2997 case SCF_ERROR_NOT_FOUND:
2998 return (SCF_SUCCESS);
2999
3000 case SCF_ERROR_DELETED:
3001 return (ECANCELED);
3002
3003 case SCF_ERROR_CONNECTION_BROKEN:
3004 default:
3005 return (ECONNABORTED);
3006
3007 case SCF_ERROR_NOT_SET:
3008 bad_error("scf_instance_get_pg", scf_error());
3009 }
3010 }
3011
3012 tx = scf_transaction_create(h);
3013 e = scf_entry_create(h);
3014 if (tx == NULL || e == NULL) {
3015 ret = ENOMEM;
3016 goto out;
3017 }
3018
3019 for (;;) {
3020 if (scf_transaction_start(tx, pg) != 0) {
3021 goto scferror;
3022 }
3023
3024 if (scf_transaction_property_delete(tx, e, pname) != 0) {
3025 goto scferror;
3026 }
3027
3028 if ((r = scf_transaction_commit(tx)) == 1) {
3029 ret = 0;
3030 goto out;
3031 }
3032
3033 if (r == -1) {
3034 goto scferror;
3035 }
3036
3037 scf_transaction_reset(tx);
3038 if (scf_pg_update(pg) == -1) {
3039 goto scferror;
3040 }
3041 }
3042
3043 scferror:
3044 switch (scf_error()) {
3045 case SCF_ERROR_DELETED:
3046 case SCF_ERROR_NOT_FOUND:
3047 ret = 0;
3048 break;
3049
3050 case SCF_ERROR_PERMISSION_DENIED:
3051 ret = EPERM;
3052 break;
3053
3054 case SCF_ERROR_BACKEND_ACCESS:
3055 ret = EACCES;
3056 break;
3057
3058 case SCF_ERROR_BACKEND_READONLY:
3059 ret = EROFS;
3060 break;
3061
3062 case SCF_ERROR_CONNECTION_BROKEN:
3063 default:
3064 ret = ECONNABORTED;
3065 break;
3066
3067 case SCF_ERROR_HANDLE_MISMATCH:
3068 case SCF_ERROR_INVALID_ARGUMENT:
3069 case SCF_ERROR_NOT_BOUND:
3070 case SCF_ERROR_NOT_SET:
3071 bad_error("scf_instance_delete_prop", scf_error());
3072 }
3073
3074 out:
3075 scf_transaction_destroy(tx);
3076 scf_entry_destroy(e);
3077 scf_pg_destroy(pg);
3078
3079 return (ret);
3080 }
3081
3082 /*
3083 * Check the "application/auto_enable" property for the passed FMRI.
3084 * scf_simple_prop_get() should find the property on an instance
3085 * or on the service FMRI. The routine returns:
3086 * -1: inconclusive (likely no such property or FMRI)
3087 * 0: auto_enable is false
3088 * 1: auto_enable is true
3089 */
3090 static int
is_auto_enabled(char * fmri)3091 is_auto_enabled(char *fmri)
3092 {
3093 scf_simple_prop_t *prop;
3094 int retval = -1;
3095 uint8_t *ret;
3096
3097 prop = scf_simple_prop_get(NULL, fmri, SCF_GROUP_APPLICATION,
3098 "auto_enable");
3099 if (!prop)
3100 return (retval);
3101 ret = scf_simple_prop_next_boolean(prop);
3102 retval = (*ret != 0);
3103 scf_simple_prop_free(prop);
3104 return (retval);
3105 }
3106
3107 /*
3108 * Check an array of services and enable any that don't have the
3109 * "application/auto_enable" property set to "false", which is
3110 * the interface to turn off this behaviour (see PSARC 2004/739).
3111 */
3112 void
_check_services(char ** svcs)3113 _check_services(char **svcs)
3114 {
3115 char *s;
3116
3117 for (; *svcs; svcs++) {
3118 if (is_auto_enabled(*svcs) == 0)
3119 continue;
3120 if ((s = smf_get_state(*svcs)) != NULL) {
3121 if (strcmp(SCF_STATE_STRING_DISABLED, s) == 0)
3122 (void) smf_enable_instance(*svcs,
3123 SMF_TEMPORARY);
3124 free(s);
3125 }
3126 }
3127 }
3128
3129 /*ARGSUSED*/
3130 static int
str_compare(const char * s1,const char * s2,size_t n)3131 str_compare(const char *s1, const char *s2, size_t n)
3132 {
3133 return (strcmp(s1, s2));
3134 }
3135
3136 static int
str_n_compare(const char * s1,const char * s2,size_t n)3137 str_n_compare(const char *s1, const char *s2, size_t n)
3138 {
3139 return (strncmp(s1, s2, n));
3140 }
3141
3142 int32_t
state_from_string(const char * state,size_t l)3143 state_from_string(const char *state, size_t l)
3144 {
3145 int (*str_cmp)(const char *, const char *, size_t);
3146
3147 if (l == 0)
3148 str_cmp = str_compare;
3149 else
3150 str_cmp = str_n_compare;
3151
3152 if (str_cmp(SCF_STATE_STRING_UNINIT, state, l) == 0)
3153 return (SCF_STATE_UNINIT);
3154 else if (str_cmp(SCF_STATE_STRING_MAINT, state, l) == 0)
3155 return (SCF_STATE_MAINT);
3156 else if (str_cmp(SCF_STATE_STRING_OFFLINE, state, l) == 0)
3157 return (SCF_STATE_OFFLINE);
3158 else if (str_cmp(SCF_STATE_STRING_DISABLED, state, l) == 0)
3159 return (SCF_STATE_DISABLED);
3160 else if (str_cmp(SCF_STATE_STRING_ONLINE, state, l) == 0)
3161 return (SCF_STATE_ONLINE);
3162 else if (str_cmp(SCF_STATE_STRING_DEGRADED, state, l) == 0)
3163 return (SCF_STATE_DEGRADED);
3164 else if (str_cmp("all", state, l) == 0)
3165 return (SCF_STATE_ALL);
3166 else
3167 return (-1);
3168 }
3169
3170 /*
3171 * int32_t smf_state_from_string()
3172 * return the value of the macro SCF_STATE_* for the corresponding state
3173 * it returns SCF_STATE_ALL if "all" is passed. -1 if the string passed doesn't
3174 * correspond to any valid state.
3175 */
3176 int32_t
smf_state_from_string(const char * state)3177 smf_state_from_string(const char *state)
3178 {
3179 return (state_from_string(state, 0));
3180 }
3181
3182 /*
3183 * smf_state_to_string()
3184 * Takes an int32_t representing an SMF state and returns
3185 * the corresponding string. The string is read only and need not to be
3186 * freed.
3187 * returns NULL on invalid input.
3188 */
3189 const char *
smf_state_to_string(int32_t s)3190 smf_state_to_string(int32_t s)
3191 {
3192 switch (s) {
3193 case SCF_STATE_UNINIT:
3194 return (SCF_STATE_STRING_UNINIT);
3195 case SCF_STATE_MAINT:
3196 return (SCF_STATE_STRING_MAINT);
3197 case SCF_STATE_OFFLINE:
3198 return (SCF_STATE_STRING_OFFLINE);
3199 case SCF_STATE_DISABLED:
3200 return (SCF_STATE_STRING_DISABLED);
3201 case SCF_STATE_ONLINE:
3202 return (SCF_STATE_STRING_ONLINE);
3203 case SCF_STATE_DEGRADED:
3204 return (SCF_STATE_STRING_DEGRADED);
3205 case SCF_STATE_ALL:
3206 return ("all");
3207 default:
3208 return (NULL);
3209 }
3210 }
3211