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8322 nl: misleading-indentation
[unleashed/tickless.git] / usr / src / lib / libshare / smb / libshare_smb.c
blob1d3b04cf9a2760b3675cb11524ebfbe8612c7969
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) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
24 * Copyright 2015 Nexenta Systems, Inc. All rights reserved.
25 */
26
27 /*
28 * SMB specific functions
29 */
30 #include <stdio.h>
31 #include <string.h>
32 #include <ctype.h>
33 #include <stdlib.h>
34 #include <unistd.h>
35 #include <zone.h>
36 #include <errno.h>
37 #include <locale.h>
38 #include <fcntl.h>
39 #include <sys/types.h>
40 #include <sys/stat.h>
41 #include <syslog.h>
42 #include "libshare.h"
43 #include "libshare_impl.h"
44 #include <pwd.h>
45 #include <limits.h>
46 #include <libscf.h>
47 #include <libscf_priv.h>
48 #include <strings.h>
49 #include "libshare_smb.h"
50 #include <rpcsvc/daemon_utils.h>
51 #include <smbsrv/smb_share.h>
52 #include <smbsrv/smbinfo.h>
53 #include <smbsrv/libsmb.h>
54 #include <libdlpi.h>
55
56 #define SMB_CSC_BUFSZ 64
57
58 #define SMB_VALID_SUB_CHRS "UDhMLmIiSPu" /* substitution characters */
59
60 /* internal functions */
61 static int smb_share_init(void);
62 static void smb_share_fini(void);
63 static int smb_enable_share(sa_share_t);
64 static int smb_share_changed(sa_share_t);
65 static int smb_resource_changed(sa_resource_t);
66 static int smb_rename_resource(sa_handle_t, sa_resource_t, char *);
67 static int smb_disable_share(sa_share_t share, char *);
68 static int smb_validate_property(sa_handle_t, sa_property_t, sa_optionset_t);
69 static int smb_set_proto_prop(sa_property_t);
70 static sa_protocol_properties_t smb_get_proto_set(void);
71 static char *smb_get_status(void);
72 static int smb_parse_optstring(sa_group_t, char *);
73 static char *smb_format_options(sa_group_t, int);
74
75 static int smb_enable_service(void);
76
77 static int range_check_validator(int, char *);
78 static int range_check_validator_zero_ok(int, char *);
79 static int string_length_check_validator(int, char *);
80 static int print_enable_validator(int, char *);
81 static int true_false_validator(int, char *);
82 static int ipv4_validator(int, char *);
83 static int hostname_validator(int, char *);
84 static int path_validator(int, char *);
85 static int cmd_validator(int, char *);
86 static int disposition_validator(int, char *);
87 static int max_protocol_validator(int, char *);
88
89 static int smb_enable_resource(sa_resource_t);
90 static int smb_disable_resource(sa_resource_t);
91 static uint64_t smb_share_features(void);
92 static int smb_list_transient(sa_handle_t);
93
94 static int smb_build_shareinfo(sa_share_t, sa_resource_t, smb_share_t *);
95 static void smb_csc_option(const char *, smb_share_t *);
96 static char *smb_csc_name(const smb_share_t *);
97 static sa_group_t smb_get_defaultgrp(sa_handle_t);
98 static int interface_validator(int, char *);
99 static int smb_update_optionset_props(sa_handle_t, sa_resource_t, nvlist_t *);
100
101 static boolean_t smb_saprop_getbool(sa_optionset_t, char *);
102 static boolean_t smb_saprop_getstr(sa_optionset_t, char *, char *, size_t);
103
104 static struct {
105 char *value;
106 uint32_t flag;
107 } cscopt[] = {
108 { "disabled", SMB_SHRF_CSC_DISABLED },
109 { "manual", SMB_SHRF_CSC_MANUAL },
110 { "auto", SMB_SHRF_CSC_AUTO },
111 { "vdo", SMB_SHRF_CSC_VDO }
112 };
113
114 /* size of basic format allocation */
115 #define OPT_CHUNK 1024
116
117 /* size of string for types - big enough to hold "dependency" */
118 #define SCFTYPE_LEN 32
119
120 /*
121 * Indexes of entries in smb_proto_options table.
122 * Changes to smb_proto_options table may require
123 * an update to these values.
124 */
125 #define PROTO_OPT_WINS1 6
126 #define PROTO_OPT_WINS_EXCLUDE 8
127
128 typedef struct smb_hostifs_walker {
129 const char *hiw_ifname;
130 boolean_t hiw_matchfound;
131 } smb_hostifs_walker_t;
132
133
134 /*
135 * ops vector that provides the protocol specific info and operations
136 * for share management.
137 */
138
139 struct sa_plugin_ops sa_plugin_ops = {
140 SA_PLUGIN_VERSION,
141 SMB_PROTOCOL_NAME,
142 smb_share_init,
143 smb_share_fini,
144 smb_enable_share,
145 smb_disable_share,
146 smb_validate_property,
147 NULL, /* valid_space */
148 NULL, /* security_prop */
149 smb_parse_optstring,
150 smb_format_options,
151 smb_set_proto_prop,
152 smb_get_proto_set,
153 smb_get_status,
154 NULL, /* space_alias */
155 NULL, /* update_legacy */
156 NULL, /* delete_legacy */
157 smb_share_changed,
158 smb_enable_resource,
159 smb_disable_resource,
160 smb_share_features,
161 smb_list_transient,
162 smb_resource_changed,
163 smb_rename_resource,
164 NULL, /* run_command */
165 NULL, /* command_help */
166 NULL /* delete_proto_section */
167 };
168
169 struct option_defs optdefs[] = {
170 { SHOPT_AD_CONTAINER, OPT_TYPE_STRING },
171 { SHOPT_ABE, OPT_TYPE_BOOLEAN },
172 { SHOPT_NAME, OPT_TYPE_NAME },
173 { SHOPT_RO, OPT_TYPE_ACCLIST },
174 { SHOPT_RW, OPT_TYPE_ACCLIST },
175 { SHOPT_NONE, OPT_TYPE_ACCLIST },
176 { SHOPT_CATIA, OPT_TYPE_BOOLEAN },
177 { SHOPT_CSC, OPT_TYPE_CSC },
178 { SHOPT_GUEST, OPT_TYPE_BOOLEAN },
179 { SHOPT_DFSROOT, OPT_TYPE_BOOLEAN },
180 { SHOPT_DESCRIPTION, OPT_TYPE_STRING },
181 { NULL, NULL }
182 };
183
184 /*
185 * findopt(name)
186 *
187 * Lookup option "name" in the option table and return the table
188 * index.
189 */
190 static int
191 findopt(char *name)
192 {
193 int i;
194 if (name != NULL) {
195 for (i = 0; optdefs[i].tag != NULL; i++) {
196 if (strcmp(optdefs[i].tag, name) == 0)
197 return (i);
198 }
199 }
200 return (-1);
201 }
202
203 /*
204 * is_a_number(number)
205 *
206 * is the string a number in one of the forms we want to use?
207 */
208 static boolean_t
209 is_a_number(char *number)
210 {
211 boolean_t isnum = B_TRUE;
212 boolean_t ishex = B_FALSE;
213
214 if (number == NULL || *number == '\0')
215 return (B_FALSE);
216
217 if (strncasecmp(number, "0x", 2) == 0) {
218 number += 2;
219 ishex = B_TRUE;
220 } else if (*number == '-') {
221 number++;
222 }
223
224 while (isnum && (*number != '\0')) {
225 isnum = (ishex) ? isxdigit(*number) : isdigit(*number);
226 number++;
227 }
228
229 return (isnum);
230 }
231
232 /*
233 * check ro vs rw values. Over time this may get beefed up.
234 * for now it just does simple checks.
235 */
236
237 static int
238 check_rorw(char *v1, char *v2)
239 {
240 int ret = SA_OK;
241 if (strcmp(v1, v2) == 0)
242 ret = SA_VALUE_CONFLICT;
243 return (ret);
244 }
245
246 /*
247 * validresource(name)
248 *
249 * Check that name only has valid characters in it. The current valid
250 * set are the printable characters but not including:
251 * " / \ [ ] : | < > + ; , ? * = \t
252 * Note that space is included and there is a maximum length.
253 */
254 static boolean_t
255 validresource(const char *name)
256 {
257 const char *cp;
258 size_t len;
259
260 if (name == NULL)
261 return (B_FALSE);
262
263 len = strlen(name);
264 if (len == 0 || len > SA_MAX_RESOURCE_NAME)
265 return (B_FALSE);
266
267 if (strpbrk(name, "\"/\\[]:|<>+;,?*=\t") != NULL) {
268 return (B_FALSE);
269 }
270
271 for (cp = name; *cp != '\0'; cp++)
272 if (iscntrl(*cp))
273 return (B_FALSE);
274
275 return (B_TRUE);
276 }
277
278 /*
279 * Check that the client-side caching (CSC) option value is valid.
280 */
281 static boolean_t
282 validcsc(const char *value)
283 {
284 int i;
285
286 for (i = 0; i < (sizeof (cscopt) / sizeof (cscopt[0])); ++i) {
287 if (strcasecmp(value, cscopt[i].value) == 0)
288 return (B_TRUE);
289 }
290
291 return (B_FALSE);
292 }
293
294 /*
295 * smb_isonline()
296 *
297 * Determine if the SMF service instance is in the online state or
298 * not. A number of operations depend on this state.
299 */
300 static boolean_t
301 smb_isonline(void)
302 {
303 char *str;
304 boolean_t ret = B_FALSE;
305
306 if ((str = smf_get_state(SMBD_DEFAULT_INSTANCE_FMRI)) != NULL) {
307 ret = (strcmp(str, SCF_STATE_STRING_ONLINE) == 0);
308 free(str);
309 }
310 return (ret);
311 }
312
313 /*
314 * smb_isdisabled()
315 *
316 * Determine if the SMF service instance is in the disabled state or
317 * not. A number of operations depend on this state.
318 */
319 static boolean_t
320 smb_isdisabled(void)
321 {
322 char *str;
323 boolean_t ret = B_FALSE;
324
325 if ((str = smf_get_state(SMBD_DEFAULT_INSTANCE_FMRI)) != NULL) {
326 ret = (strcmp(str, SCF_STATE_STRING_DISABLED) == 0);
327 free(str);
328 }
329 return (ret);
330 }
331
332 /*
333 * smb_isautoenable()
334 *
335 * Determine if the SMF service instance auto_enabled set or not. A
336 * number of operations depend on this state. The property not being
337 * set or being set to true means autoenable. Only being set to false
338 * is not autoenabled.
339 */
340 static boolean_t
341 smb_isautoenable(void)
342 {
343 boolean_t ret = B_TRUE;
344 scf_simple_prop_t *prop;
345 uint8_t *retstr;
346
347 prop = scf_simple_prop_get(NULL, SMBD_DEFAULT_INSTANCE_FMRI,
348 "application", "auto_enable");
349 if (prop != NULL) {
350 retstr = scf_simple_prop_next_boolean(prop);
351 ret = *retstr != 0;
352 scf_simple_prop_free(prop);
353 }
354 return (ret);
355 }
356
357 /*
358 * smb_ismaint()
359 *
360 * Determine if the SMF service instance is in the disabled state or
361 * not. A number of operations depend on this state.
362 */
363 static boolean_t
364 smb_ismaint(void)
365 {
366 char *str;
367 boolean_t ret = B_FALSE;
368
369 if ((str = smf_get_state(SMBD_DEFAULT_INSTANCE_FMRI)) != NULL) {
370 ret = (strcmp(str, SCF_STATE_STRING_MAINT) == 0);
371 free(str);
372 }
373 return (ret);
374 }
375
376 /*
377 * smb_enable_share tells the implementation that it is to enable the share.
378 * This entails converting the path and options into the appropriate ioctl
379 * calls. It is assumed that all error checking of paths, etc. were
380 * done earlier.
381 */
382 static int
383 smb_enable_share(sa_share_t share)
384 {
385 char *path;
386 smb_share_t si;
387 sa_resource_t resource;
388 boolean_t iszfs;
389 boolean_t privileged;
390 int err = SA_OK;
391 priv_set_t *priv_effective;
392 boolean_t online;
393
394 /*
395 * Don't support Trusted Extensions.
396 */
397 if (is_system_labeled()) {
398 (void) printf(dgettext(TEXT_DOMAIN,
399 "SMB: service not supported with Trusted Extensions\n"));
400 return (SA_NOT_SUPPORTED);
401 }
402
403 priv_effective = priv_allocset();
404 (void) getppriv(PRIV_EFFECTIVE, priv_effective);
405 privileged = (priv_isfullset(priv_effective) == B_TRUE);
406 priv_freeset(priv_effective);
407
408 /* get the path since it is important in several places */
409 path = sa_get_share_attr(share, "path");
410 if (path == NULL)
411 return (SA_NO_SUCH_PATH);
412
413 /*
414 * If administratively disabled, don't try to start anything.
415 */
416 online = smb_isonline();
417 if (!online && !smb_isautoenable() && smb_isdisabled())
418 goto done;
419
420 iszfs = sa_path_is_zfs(path);
421
422 if (iszfs) {
423
424 if (privileged == B_FALSE && !online) {
425
426 if (!online) {
427 (void) printf(dgettext(TEXT_DOMAIN,
428 "SMB: Cannot share remove "
429 "file system: %s\n"), path);
430 (void) printf(dgettext(TEXT_DOMAIN,
431 "SMB: Service needs to be enabled "
432 "by a privileged user\n"));
433 err = SA_NO_PERMISSION;
434 errno = EPERM;
435 }
436 if (err) {
437 sa_free_attr_string(path);
438 return (err);
439 }
440
441 }
442 }
443
444 if (privileged == B_TRUE && !online) {
445 err = smb_enable_service();
446 if (err != SA_OK) {
447 (void) printf(dgettext(TEXT_DOMAIN,
448 "SMB: Unable to enable service\n"));
449 } else {
450 online = B_TRUE;
451 }
452 }
453
454 /*
455 * Don't bother trying to start shares if the service isn't
456 * running.
457 */
458 if (!online)
459 goto done;
460
461 /* Each share can have multiple resources */
462 for (resource = sa_get_share_resource(share, NULL);
463 resource != NULL;
464 resource = sa_get_next_resource(resource)) {
465 err = smb_build_shareinfo(share, resource, &si);
466 if (err != SA_OK) {
467 sa_free_attr_string(path);
468 return (err);
469 }
470
471 if (!iszfs) {
472 err = smb_share_create(&si);
473 } else {
474 share_t sh;
475
476 (void) sa_sharetab_fill_zfs(share, &sh, "smb");
477 err = sa_share_zfs(share, resource, (char *)path, &sh,
478 &si, ZFS_SHARE_SMB);
479 if (err != SA_OK) {
480 errno = err;
481 err = -1;
482 }
483 sa_emptyshare(&sh);
484 }
485 }
486 if (!iszfs)
487 (void) sa_update_sharetab(share, "smb");
488 done:
489 sa_free_attr_string(path);
490
491 return (err == NERR_DuplicateShare ? 0 : err);
492 }
493
494 /*
495 * This is the share for CIFS all shares have resource names.
496 * Enable tells the smb server to update its hash. If it fails
497 * because smb server is down, we just ignore as smb server loads
498 * the resources from sharemanager at startup.
499 */
500
501 static int
502 smb_enable_resource(sa_resource_t resource)
503 {
504 sa_share_t share;
505 smb_share_t si;
506 int ret = SA_OK;
507 int err;
508 boolean_t isonline;
509
510 share = sa_get_resource_parent(resource);
511 if (share == NULL)
512 return (SA_NO_SUCH_PATH);
513
514 /*
515 * If administratively disabled, don't try to start anything.
516 */
517 isonline = smb_isonline();
518 if (!isonline && !smb_isautoenable() && smb_isdisabled())
519 return (SA_OK);
520
521 if (!isonline) {
522 (void) smb_enable_service();
523
524 if (!smb_isonline())
525 return (SA_OK);
526 }
527
528 if ((ret = smb_build_shareinfo(share, resource, &si)) != SA_OK)
529 return (ret);
530
531 /*
532 * Attempt to add the share. Any error that occurs if it was
533 * online is an error but don't count NERR_DuplicateName if
534 * smb/server had to be brought online since bringing the
535 * service up will enable the share that was just added prior
536 * to the attempt to enable.
537 */
538 err = smb_share_create(&si);
539 if (err == NERR_Success || !(!isonline && err == NERR_DuplicateName))
540 (void) sa_update_sharetab(share, "smb");
541 else
542 return (SA_NOT_SHARED);
543
544 return (SA_OK);
545 }
546
547 /*
548 * Remove it from smb server hash.
549 */
550 static int
551 smb_disable_resource(sa_resource_t resource)
552 {
553 char *rname;
554 uint32_t res;
555 sa_share_t share;
556
557 rname = sa_get_resource_attr(resource, "name");
558 if (rname == NULL)
559 return (SA_NO_SUCH_RESOURCE);
560
561 if (smb_isonline()) {
562 res = smb_share_delete(rname);
563 if (res != NERR_Success &&
564 res != NERR_NetNameNotFound) {
565 sa_free_attr_string(rname);
566 return (SA_CONFIG_ERR);
567 }
568 }
569
570 sa_free_attr_string(rname);
571
572 share = sa_get_resource_parent(resource);
573 if (share != NULL) {
574 rname = sa_get_share_attr(share, "path");
575 if (rname != NULL) {
576 sa_handle_t handle;
577
578 handle = sa_find_group_handle((sa_group_t)resource);
579 (void) sa_delete_sharetab(handle, rname, "smb");
580 sa_free_attr_string(rname);
581 }
582 }
583 /*
584 * Always return OK as smb/server may be down and
585 * Shares will be picked up when loaded.
586 */
587 return (SA_OK);
588 }
589
590 /*
591 * smb_share_changed(sa_share_t share)
592 *
593 * The specified share has changed.
594 */
595 static int
596 smb_share_changed(sa_share_t share)
597 {
598 char *path;
599 sa_resource_t resource;
600
601 if (!smb_isonline())
602 return (SA_OK);
603
604 /* get the path since it is important in several places */
605 path = sa_get_share_attr(share, "path");
606 if (path == NULL)
607 return (SA_NO_SUCH_PATH);
608
609 for (resource = sa_get_share_resource(share, NULL);
610 resource != NULL;
611 resource = sa_get_next_resource(resource))
612 (void) smb_resource_changed(resource);
613
614 sa_free_attr_string(path);
615
616 return (SA_OK);
617 }
618
619 /*
620 * smb_resource_changed(sa_resource_t resource)
621 *
622 * The specified resource has changed.
623 */
624 static int
625 smb_resource_changed(sa_resource_t resource)
626 {
627 uint32_t res;
628 sa_share_t share;
629 smb_share_t si;
630
631 if (!smb_isonline())
632 return (SA_OK);
633
634 if ((share = sa_get_resource_parent(resource)) == NULL)
635 return (SA_CONFIG_ERR);
636
637 if ((res = smb_build_shareinfo(share, resource, &si)) != SA_OK)
638 return (res);
639
640 res = smb_share_modify(&si);
641
642 if (res != NERR_Success)
643 return (SA_CONFIG_ERR);
644
645 return (smb_enable_service());
646 }
647
648 /*
649 * smb_disable_share(sa_share_t share, char *path)
650 *
651 * Unshare the specified share. Note that "path" is the same
652 * path as what is in the "share" object. It is passed in to avoid an
653 * additional lookup. A missing "path" value makes this a no-op
654 * function.
655 */
656 static int
657 smb_disable_share(sa_share_t share, char *path)
658 {
659 char *rname;
660 sa_resource_t resource;
661 sa_group_t parent;
662 boolean_t iszfs;
663 int err = SA_OK;
664 int ret = SA_OK;
665 sa_handle_t handle;
666 boolean_t first = B_TRUE; /* work around sharetab issue */
667
668 if (path == NULL)
669 return (ret);
670
671 /*
672 * If the share is in a ZFS group we need to handle it
673 * differently. Just being on a ZFS file system isn't
674 * enough since we may be in a legacy share case.
675 */
676 parent = sa_get_parent_group(share);
677 iszfs = sa_group_is_zfs(parent);
678
679 if (!smb_isonline())
680 goto done;
681
682 for (resource = sa_get_share_resource(share, NULL);
683 resource != NULL;
684 resource = sa_get_next_resource(resource)) {
685 rname = sa_get_resource_attr(resource, "name");
686 if (rname == NULL) {
687 continue;
688 }
689 if (!iszfs) {
690 err = smb_share_delete(rname);
691 switch (err) {
692 case NERR_NetNameNotFound:
693 case NERR_Success:
694 err = SA_OK;
695 break;
696 default:
697 err = SA_CONFIG_ERR;
698 break;
699 }
700 } else {
701 share_t sh;
702
703 (void) sa_sharetab_fill_zfs(share, &sh, "smb");
704 err = sa_share_zfs(share, resource, (char *)path, &sh,
705 rname, ZFS_UNSHARE_SMB);
706 if (err != SA_OK) {
707 switch (err) {
708 case EINVAL:
709 case ENOENT:
710 err = SA_OK;
711 break;
712 default:
713 /*
714 * If we are no longer the first case,
715 * we don't care about the sa_share_zfs
716 * err if it is -1. This works around
717 * a problem in sharefs and should be
718 * removed when sharefs supports
719 * multiple entries per path.
720 */
721 if (!first)
722 err = SA_OK;
723 else
724 err = SA_SYSTEM_ERR;
725 break;
726 }
727 }
728
729 first = B_FALSE;
730
731 sa_emptyshare(&sh);
732 }
733
734 if (err != SA_OK)
735 ret = err;
736 sa_free_attr_string(rname);
737 }
738 done:
739 if (!iszfs) {
740 handle = sa_find_group_handle((sa_group_t)share);
741 if (handle != NULL)
742 (void) sa_delete_sharetab(handle, path, "smb");
743 else
744 ret = SA_SYSTEM_ERR;
745 }
746 return (ret);
747 }
748
749 /*
750 * smb_validate_property(handle, property, parent)
751 *
752 * Check that the property has a legitimate value for its type.
753 * Handle isn't currently used but may need to be in the future.
754 */
755
756 /*ARGSUSED*/
757 static int
758 smb_validate_property(sa_handle_t handle, sa_property_t property,
759 sa_optionset_t parent)
760 {
761 int ret = SA_OK;
762 char *propname;
763 int optindex;
764 sa_group_t parent_group;
765 char *value;
766 char *other;
767
768 propname = sa_get_property_attr(property, "type");
769
770 if ((optindex = findopt(propname)) < 0)
771 ret = SA_NO_SUCH_PROP;
772
773 /* need to validate value range here as well */
774 if (ret == SA_OK) {
775 parent_group = sa_get_parent_group((sa_share_t)parent);
776 if (optdefs[optindex].share && !sa_is_share(parent_group))
777 ret = SA_PROP_SHARE_ONLY;
778 }
779 if (ret != SA_OK) {
780 if (propname != NULL)
781 sa_free_attr_string(propname);
782 return (ret);
783 }
784
785 value = sa_get_property_attr(property, "value");
786 if (value != NULL) {
787 /* first basic type checking */
788 switch (optdefs[optindex].type) {
789 case OPT_TYPE_NUMBER:
790 /* check that the value is all digits */
791 if (!is_a_number(value))
792 ret = SA_BAD_VALUE;
793 break;
794 case OPT_TYPE_BOOLEAN:
795 ret = true_false_validator(0, value);
796 break;
797 case OPT_TYPE_NAME:
798 /*
799 * Make sure no invalid characters
800 */
801 if (!validresource(value))
802 ret = SA_BAD_VALUE;
803 break;
804 case OPT_TYPE_STRING:
805 /* whatever is here should be ok */
806 break;
807 case OPT_TYPE_CSC:
808 if (!validcsc(value))
809 ret = SA_BAD_VALUE;
810 break;
811 case OPT_TYPE_ACCLIST: {
812 sa_property_t oprop;
813 char *ovalue;
814 /*
815 * access list handling. Should eventually
816 * validate that all the values make sense.
817 * Also, ro and rw may have cross value
818 * conflicts.
819 */
820 if (parent == NULL)
821 break;
822 if (strcmp(propname, SHOPT_RO) == 0)
823 other = SHOPT_RW;
824 else if (strcmp(propname, SHOPT_RW) == 0)
825 other = SHOPT_RO;
826 else
827 other = NULL;
828 if (other == NULL)
829 break;
830
831 /* compare rw(ro) with ro(rw) */
832 oprop = sa_get_property(parent, other);
833 if (oprop == NULL)
834 break;
835 /*
836 * only potential
837 * confusion if other
838 * exists
839 */
840 ovalue = sa_get_property_attr(oprop, "value");
841 if (ovalue != NULL) {
842 ret = check_rorw(value, ovalue);
843 sa_free_attr_string(ovalue);
844 }
845 break;
846 }
847 default:
848 break;
849 }
850 }
851
852 if (value != NULL)
853 sa_free_attr_string(value);
854 if (ret == SA_OK && optdefs[optindex].check != NULL)
855 /* do the property specific check */
856 ret = optdefs[optindex].check(property);
857
858 if (propname != NULL)
859 sa_free_attr_string(propname);
860 return (ret);
861 }
862
863 /*
864 * Protocol management functions
865 *
866 * properties defined in the default files are defined in
867 * proto_option_defs for parsing and validation.
868 */
869
870 struct smb_proto_option_defs {
871 int smb_index;
872 int32_t minval;
873 int32_t maxval; /* In case of length of string this should be max */
874 int (*validator)(int, char *);
875 int32_t refresh;
876 } smb_proto_options[] = {
877 { SMB_CI_SYS_CMNT, 0, MAX_VALUE_BUFLEN,
878 string_length_check_validator, SMB_REFRESH_REFRESH },
879 { SMB_CI_MAX_WORKERS, SMB_PI_MAX_WORKERS_MIN, SMB_PI_MAX_WORKERS_MAX,
880 range_check_validator, SMB_REFRESH_REFRESH },
881 { SMB_CI_NETBIOS_ENABLE, 0, 0, true_false_validator,
882 SMB_REFRESH_REFRESH },
883 { SMB_CI_NBSCOPE, 0, MAX_VALUE_BUFLEN,
884 string_length_check_validator, 0 },
885 { SMB_CI_LM_LEVEL, 2, 5, range_check_validator, 0 },
886 { SMB_CI_KEEPALIVE, 20, 5400, range_check_validator_zero_ok,
887 SMB_REFRESH_REFRESH },
888 { SMB_CI_WINS_SRV1, 0, MAX_VALUE_BUFLEN,
889 ipv4_validator, SMB_REFRESH_REFRESH },
890 { SMB_CI_WINS_SRV2, 0, MAX_VALUE_BUFLEN,
891 ipv4_validator, SMB_REFRESH_REFRESH },
892 { SMB_CI_WINS_EXCL, 0, MAX_VALUE_BUFLEN,
893 interface_validator, SMB_REFRESH_REFRESH },
894 { SMB_CI_SIGNING_ENABLE, 0, 0, true_false_validator,
895 SMB_REFRESH_REFRESH },
896 { SMB_CI_SIGNING_REQD, 0, 0, true_false_validator,
897 SMB_REFRESH_REFRESH },
898 { SMB_CI_RESTRICT_ANON, 0, 0, true_false_validator,
899 SMB_REFRESH_REFRESH },
900 { SMB_CI_DOMAIN_SRV, 0, MAX_VALUE_BUFLEN,
901 hostname_validator, SMB_REFRESH_REFRESH },
902 { SMB_CI_ADS_SITE, 0, MAX_VALUE_BUFLEN,
903 string_length_check_validator, SMB_REFRESH_REFRESH },
904 { SMB_CI_DYNDNS_ENABLE, 0, 0, true_false_validator, 0 },
905 { SMB_CI_AUTOHOME_MAP, 0, MAX_VALUE_BUFLEN, path_validator, 0 },
906 { SMB_CI_IPV6_ENABLE, 0, 0, true_false_validator,
907 SMB_REFRESH_REFRESH },
908 { SMB_CI_PRINT_ENABLE, 0, 0, print_enable_validator,
909 SMB_REFRESH_REFRESH },
910 { SMB_CI_TRAVERSE_MOUNTS, 0, 0, true_false_validator,
911 SMB_REFRESH_REFRESH },
912 { SMB_CI_MAP, 0, MAX_VALUE_BUFLEN, cmd_validator, SMB_REFRESH_REFRESH },
913 { SMB_CI_UNMAP, 0, MAX_VALUE_BUFLEN, cmd_validator,
914 SMB_REFRESH_REFRESH },
915 { SMB_CI_DISPOSITION, 0, MAX_VALUE_BUFLEN,
916 disposition_validator, SMB_REFRESH_REFRESH },
917 { SMB_CI_MAX_PROTOCOL, 0, MAX_VALUE_BUFLEN, max_protocol_validator,
918 SMB_REFRESH_REFRESH },
919 };
920
921 #define SMB_OPT_NUM \
922 (sizeof (smb_proto_options) / sizeof (smb_proto_options[0]))
923
924 /*
925 * Check the range of value as int range.
926 */
927 static int
928 range_check_validator(int index, char *value)
929 {
930 int ret = SA_OK;
931
932 if (!is_a_number(value)) {
933 ret = SA_BAD_VALUE;
934 } else {
935 int val;
936 val = strtoul(value, NULL, 0);
937 if (val < smb_proto_options[index].minval ||
938 val > smb_proto_options[index].maxval)
939 ret = SA_BAD_VALUE;
940 }
941 return (ret);
942 }
943
944 /*
945 * Check the range of value as int range.
946 */
947 static int
948 range_check_validator_zero_ok(int index, char *value)
949 {
950 int ret = SA_OK;
951
952 if (!is_a_number(value)) {
953 ret = SA_BAD_VALUE;
954 } else {
955 int val;
956 val = strtoul(value, NULL, 0);
957 if (val == 0)
958 ret = SA_OK;
959 else {
960 if (val < smb_proto_options[index].minval ||
961 val > smb_proto_options[index].maxval)
962 ret = SA_BAD_VALUE;
963 }
964 }
965 return (ret);
966 }
967
968 /*
969 * Check the length of the string
970 */
971 static int
972 string_length_check_validator(int index, char *value)
973 {
974 int ret = SA_OK;
975
976 if (value == NULL)
977 return (SA_BAD_VALUE);
978 if (strlen(value) > smb_proto_options[index].maxval)
979 ret = SA_BAD_VALUE;
980 return (ret);
981 }
982
983 /*
984 * Check yes/no
985 */
986 /*ARGSUSED*/
987 static int
988 true_false_validator(int index, char *value)
989 {
990 if (value == NULL)
991 return (SA_BAD_VALUE);
992 if ((strcasecmp(value, "true") == 0) ||
993 (strcasecmp(value, "false") == 0))
994 return (SA_OK);
995 return (SA_BAD_VALUE);
996 }
997
998 /*
999 * If printing support is compiled in, this is the same as:
1000 * true_false_validator. Otherwise, only allow false.
1001 */
1002 /*ARGSUSED*/
1003 static int
1004 print_enable_validator(int index, char *value)
1005 {
1006 if (value == NULL)
1007 return (SA_BAD_VALUE);
1008
1009 #ifdef HAVE_CUPS
1010 if (strcasecmp(value, "true") == 0)
1011 return (SA_OK);
1012 #endif
1013 if (strcasecmp(value, "false") == 0)
1014 return (SA_OK);
1015
1016 return (SA_BAD_VALUE);
1017 }
1018
1019 /*
1020 * Check IP v4 address.
1021 */
1022 /*ARGSUSED*/
1023 static int
1024 ipv4_validator(int index, char *value)
1025 {
1026 char sbytes[16];
1027
1028 if (value == NULL)
1029 return (SA_OK);
1030
1031 if (strlen(value) == 0)
1032 return (SA_OK);
1033
1034 if (inet_pton(AF_INET, value, (void *)sbytes) != 1)
1035 return (SA_BAD_VALUE);
1036
1037 return (SA_OK);
1038 }
1039
1040 /*
1041 * Check that the specified name is an IP address (v4 or v6) or a hostname.
1042 * Per RFC 1035 and 1123, names may contain alphanumeric characters, hyphens
1043 * and dots. The first and last character of a label must be alphanumeric.
1044 * Interior characters may be alphanumeric or hypens.
1045 *
1046 * Domain names should not contain underscores but we allow them because
1047 * Windows names are often in non-compliance with this rule.
1048 */
1049 /*ARGSUSED*/
1050 static int
1051 hostname_validator(int index, char *value)
1052 {
1053 char sbytes[INET6_ADDRSTRLEN];
1054 boolean_t new_label = B_TRUE;
1055 char *p;
1056 char label_terminator;
1057 int len;
1058
1059 if (value == NULL)
1060 return (SA_OK);
1061
1062 if ((len = strlen(value)) == 0)
1063 return (SA_OK);
1064
1065 if (inet_pton(AF_INET, value, (void *)sbytes) == 1)
1066 return (SA_OK);
1067
1068 if (inet_pton(AF_INET6, value, (void *)sbytes) == 1)
1069 return (SA_OK);
1070
1071 if (len >= MAXHOSTNAMELEN)
1072 return (SA_BAD_VALUE);
1073
1074 if (strspn(value, "0123456789.") == len)
1075 return (SA_BAD_VALUE);
1076
1077 label_terminator = *value;
1078
1079 for (p = value; *p != '\0'; ++p) {
1080 if (new_label) {
1081 if (!isalnum(*p))
1082 return (SA_BAD_VALUE);
1083 new_label = B_FALSE;
1084 label_terminator = *p;
1085 continue;
1086 }
1087
1088 if (*p == '.') {
1089 if (!isalnum(label_terminator))
1090 return (SA_BAD_VALUE);
1091 new_label = B_TRUE;
1092 label_terminator = *p;
1093 continue;
1094 }
1095
1096 label_terminator = *p;
1097
1098 if (isalnum(*p) || *p == '-' || *p == '_')
1099 continue;
1100
1101 return (SA_BAD_VALUE);
1102 }
1103
1104 if (!isalnum(label_terminator))
1105 return (SA_BAD_VALUE);
1106
1107 return (SA_OK);
1108 }
1109
1110 /*
1111 * Call back function for dlpi_walk.
1112 * Returns TRUE if interface name exists on the host.
1113 */
1114 static boolean_t
1115 smb_get_interface(const char *ifname, void *arg)
1116 {
1117 smb_hostifs_walker_t *iterp = arg;
1118
1119 iterp->hiw_matchfound = (strcmp(ifname, iterp->hiw_ifname) == 0);
1120
1121 return (iterp->hiw_matchfound);
1122 }
1123
1124 /*
1125 * Checks to see if the input interface exists on the host.
1126 * Returns B_TRUE if the match is found, B_FALSE otherwise.
1127 */
1128 static boolean_t
1129 smb_validate_interface(const char *ifname)
1130 {
1131 smb_hostifs_walker_t iter;
1132
1133 if ((ifname == NULL) || (*ifname == '\0'))
1134 return (B_FALSE);
1135
1136 iter.hiw_ifname = ifname;
1137 iter.hiw_matchfound = B_FALSE;
1138 dlpi_walk(smb_get_interface, &iter, 0);
1139
1140 return (iter.hiw_matchfound);
1141 }
1142
1143 /*
1144 * Check valid interfaces. Interface names value can be NULL or empty.
1145 * Returns SA_BAD_VALUE if interface cannot be found on the host.
1146 */
1147 /*ARGSUSED*/
1148 static int
1149 interface_validator(int index, char *value)
1150 {
1151 char buf[16];
1152 int ret = SA_OK;
1153 char *ifname, *tmp, *p;
1154
1155 if (value == NULL || *value == '\0')
1156 return (ret);
1157
1158 if (strlen(value) > MAX_VALUE_BUFLEN)
1159 return (SA_BAD_VALUE);
1160
1161 if ((p = strdup(value)) == NULL)
1162 return (SA_NO_MEMORY);
1163
1164 tmp = p;
1165 while ((ifname = strsep(&tmp, ",")) != NULL) {
1166 if (*ifname == '\0') {
1167 ret = SA_BAD_VALUE;
1168 break;
1169 }
1170
1171 if (!smb_validate_interface(ifname)) {
1172 if (inet_pton(AF_INET, ifname, (void *)buf) == 0) {
1173 ret = SA_BAD_VALUE;
1174 break;
1175 }
1176 }
1177 }
1178
1179 free(p);
1180 return (ret);
1181 }
1182
1183 /*
1184 * Check path
1185 */
1186 /*ARGSUSED*/
1187 static int
1188 path_validator(int index, char *path)
1189 {
1190 struct stat buffer;
1191 int fd, status;
1192
1193 if (path == NULL)
1194 return (SA_BAD_VALUE);
1195
1196 fd = open(path, O_RDONLY);
1197 if (fd < 0)
1198 return (SA_BAD_VALUE);
1199
1200 status = fstat(fd, &buffer);
1201 (void) close(fd);
1202
1203 if (status < 0)
1204 return (SA_BAD_VALUE);
1205
1206 if (buffer.st_mode & S_IFDIR)
1207 return (SA_OK);
1208 return (SA_BAD_VALUE);
1209 }
1210
1211 /*
1212 * the protoset holds the defined options so we don't have to read
1213 * them multiple times
1214 */
1215 static sa_protocol_properties_t protoset;
1216
1217 static int
1218 findprotoopt(char *name)
1219 {
1220 int i;
1221 char *sc_name;
1222
1223 for (i = 0; i < SMB_OPT_NUM; i++) {
1224 sc_name = smb_config_getname(smb_proto_options[i].smb_index);
1225 if (strcasecmp(sc_name, name) == 0)
1226 return (i);
1227 }
1228
1229 return (-1);
1230 }
1231
1232 /*
1233 * smb_load_proto_properties()
1234 *
1235 * read the smb config values from SMF.
1236 */
1237
1238 static int
1239 smb_load_proto_properties()
1240 {
1241 sa_property_t prop;
1242 char value[MAX_VALUE_BUFLEN];
1243 char *name;
1244 int index;
1245 int ret = SA_OK;
1246 int rc;
1247
1248 protoset = sa_create_protocol_properties(SMB_PROTOCOL_NAME);
1249 if (protoset == NULL)
1250 return (SA_NO_MEMORY);
1251
1252 for (index = 0; index < SMB_OPT_NUM && ret == SA_OK; index++) {
1253 rc = smb_config_get(smb_proto_options[index].smb_index,
1254 value, sizeof (value));
1255 if (rc != SMBD_SMF_OK)
1256 continue;
1257 name = smb_config_getname(smb_proto_options[index].smb_index);
1258 prop = sa_create_property(name, value);
1259 if (prop != NULL)
1260 ret = sa_add_protocol_property(protoset, prop);
1261 else
1262 ret = SA_NO_MEMORY;
1263 }
1264 return (ret);
1265 }
1266
1267 /*
1268 * smb_share_init()
1269 *
1270 * Initialize the smb plugin.
1271 */
1272
1273 static int
1274 smb_share_init(void)
1275 {
1276 if (sa_plugin_ops.sa_init != smb_share_init)
1277 return (SA_SYSTEM_ERR);
1278
1279 smb_share_door_clnt_init();
1280 return (smb_load_proto_properties());
1281 }
1282
1283 /*
1284 * smb_share_fini()
1285 *
1286 */
1287 static void
1288 smb_share_fini(void)
1289 {
1290 xmlFreeNode(protoset);
1291 protoset = NULL;
1292
1293 smb_share_door_clnt_fini();
1294 }
1295
1296 /*
1297 * smb_get_proto_set()
1298 *
1299 * Return an optionset with all the protocol specific properties in
1300 * it.
1301 */
1302 static sa_protocol_properties_t
1303 smb_get_proto_set(void)
1304 {
1305 return (protoset);
1306 }
1307
1308 /*
1309 * smb_enable_dependencies()
1310 *
1311 * SMBD_DEFAULT_INSTANCE_FMRI may have some dependencies that aren't
1312 * enabled. This will attempt to enable all of them.
1313 */
1314 static void
1315 smb_enable_dependencies(const char *fmri)
1316 {
1317 scf_handle_t *handle;
1318 scf_service_t *service;
1319 scf_instance_t *inst = NULL;
1320 scf_iter_t *iter;
1321 scf_property_t *prop;
1322 scf_value_t *value;
1323 scf_propertygroup_t *pg;
1324 scf_scope_t *scope;
1325 char type[SCFTYPE_LEN];
1326 char *dependency;
1327 char *servname;
1328 int maxlen;
1329
1330 /*
1331 * Get all required handles and storage.
1332 */
1333 handle = scf_handle_create(SCF_VERSION);
1334 if (handle == NULL)
1335 return;
1336
1337 if (scf_handle_bind(handle) != 0) {
1338 scf_handle_destroy(handle);
1339 return;
1340 }
1341
1342 maxlen = scf_limit(SCF_LIMIT_MAX_VALUE_LENGTH);
1343 if (maxlen == (ssize_t)-1)
1344 maxlen = MAXPATHLEN;
1345
1346 dependency = malloc(maxlen);
1347
1348 service = scf_service_create(handle);
1349
1350 iter = scf_iter_create(handle);
1351
1352 pg = scf_pg_create(handle);
1353
1354 prop = scf_property_create(handle);
1355
1356 value = scf_value_create(handle);
1357
1358 scope = scf_scope_create(handle);
1359
1360 if (service == NULL || iter == NULL || pg == NULL || prop == NULL ||
1361 value == NULL || scope == NULL || dependency == NULL)
1362 goto done;
1363
1364 /*
1365 * We passed in the FMRI for the default instance but for
1366 * some things we need the simple form so construct it. Since
1367 * we reuse the storage that dependency points to, we need to
1368 * use the servname early.
1369 */
1370 (void) snprintf(dependency, maxlen, "%s", fmri + sizeof ("svc:"));
1371 servname = strrchr(dependency, ':');
1372 if (servname == NULL)
1373 goto done;
1374 *servname = '\0';
1375 servname = dependency;
1376
1377 /*
1378 * Setup to iterate over the service property groups, only
1379 * looking at those that are "dependency" types. The "entity"
1380 * property will have the FMRI of the service we are dependent
1381 * on.
1382 */
1383 if (scf_handle_get_scope(handle, SCF_SCOPE_LOCAL, scope) != 0)
1384 goto done;
1385
1386 if (scf_scope_get_service(scope, servname, service) != 0)
1387 goto done;
1388
1389 if (scf_iter_service_pgs(iter, service) != 0)
1390 goto done;
1391
1392 while (scf_iter_next_pg(iter, pg) > 0) {
1393 char *services[2];
1394 /*
1395 * Have a property group for the service. See if it is
1396 * a dependency pg and only do operations on those.
1397 */
1398 if (scf_pg_get_type(pg, type, SCFTYPE_LEN) <= 0)
1399 continue;
1400
1401 if (strncmp(type, SCF_GROUP_DEPENDENCY, SCFTYPE_LEN) != 0)
1402 continue;
1403 /*
1404 * Have a dependency. Attempt to enable it.
1405 */
1406 if (scf_pg_get_property(pg, SCF_PROPERTY_ENTITIES, prop) != 0)
1407 continue;
1408
1409 if (scf_property_get_value(prop, value) != 0)
1410 continue;
1411
1412 services[1] = NULL;
1413
1414 if (scf_value_get_as_string(value, dependency, maxlen) > 0) {
1415 services[0] = dependency;
1416 _check_services(services);
1417 }
1418 }
1419
1420 done:
1421 if (dependency != NULL)
1422 free(dependency);
1423 if (value != NULL)
1424 scf_value_destroy(value);
1425 if (prop != NULL)
1426 scf_property_destroy(prop);
1427 if (pg != NULL)
1428 scf_pg_destroy(pg);
1429 if (iter != NULL)
1430 scf_iter_destroy(iter);
1431 if (scope != NULL)
1432 scf_scope_destroy(scope);
1433 if (inst != NULL)
1434 scf_instance_destroy(inst);
1435 if (service != NULL)
1436 scf_service_destroy(service);
1437
1438 (void) scf_handle_unbind(handle);
1439 scf_handle_destroy(handle);
1440 }
1441
1442 /*
1443 * How long to wait for service to come online
1444 */
1445 #define WAIT_FOR_SERVICE 15
1446
1447 /*
1448 * smb_enable_service()
1449 *
1450 */
1451 static int
1452 smb_enable_service(void)
1453 {
1454 int i;
1455 int ret = SA_OK;
1456 char *service[] = { SMBD_DEFAULT_INSTANCE_FMRI, NULL };
1457
1458 if (!smb_isonline()) {
1459 /*
1460 * Attempt to start the idmap, and other dependent
1461 * services, first. If it fails, the SMB service will
1462 * ultimately fail so we use that as the error. If we
1463 * don't try to enable idmap, smb won't start the
1464 * first time unless the admin has done it
1465 * manually. The service could be administratively
1466 * disabled so we won't always get started.
1467 */
1468 smb_enable_dependencies(SMBD_DEFAULT_INSTANCE_FMRI);
1469 _check_services(service);
1470
1471 /* Wait for service to come online */
1472 for (i = 0; i < WAIT_FOR_SERVICE; i++) {
1473 if (smb_isonline()) {
1474 ret = SA_OK;
1475 break;
1476 } else if (smb_ismaint()) {
1477 /* maintenance requires help */
1478 ret = SA_SYSTEM_ERR;
1479 break;
1480 } else {
1481 /* try another time */
1482 ret = SA_BUSY;
1483 (void) sleep(1);
1484 }
1485 }
1486 }
1487 return (ret);
1488 }
1489
1490 /*
1491 * smb_validate_proto_prop(index, name, value)
1492 *
1493 * Verify that the property specified by name can take the new
1494 * value. This is a sanity check to prevent bad values getting into
1495 * the default files.
1496 */
1497 static int
1498 smb_validate_proto_prop(int index, char *name, char *value)
1499 {
1500 if ((name == NULL) || (index < 0))
1501 return (SA_BAD_VALUE);
1502
1503 if (smb_proto_options[index].validator == NULL)
1504 return (SA_OK);
1505
1506 if (smb_proto_options[index].validator(index, value) == SA_OK)
1507 return (SA_OK);
1508 return (SA_BAD_VALUE);
1509 }
1510
1511 /*
1512 * smb_set_proto_prop(prop)
1513 *
1514 * check that prop is valid.
1515 */
1516 /*ARGSUSED*/
1517 static int
1518 smb_set_proto_prop(sa_property_t prop)
1519 {
1520 int ret = SA_OK;
1521 char *name;
1522 char *value;
1523 int index = -1;
1524 struct smb_proto_option_defs *opt;
1525
1526 name = sa_get_property_attr(prop, "type");
1527 value = sa_get_property_attr(prop, "value");
1528 if (name != NULL && value != NULL) {
1529 index = findprotoopt(name);
1530 if (index >= 0) {
1531 /* should test for valid value */
1532 ret = smb_validate_proto_prop(index, name, value);
1533 if (ret == SA_OK) {
1534 opt = &smb_proto_options[index];
1535
1536 /* Save to SMF */
1537 (void) smb_config_set(opt->smb_index, value);
1538 /*
1539 * Specialized refresh mechanisms can
1540 * be flagged in the proto_options and
1541 * processed here.
1542 */
1543 if (opt->refresh & SMB_REFRESH_REFRESH)
1544 (void) smf_refresh_instance(
1545 SMBD_DEFAULT_INSTANCE_FMRI);
1546 else if (opt->refresh & SMB_REFRESH_RESTART)
1547 (void) smf_restart_instance(
1548 SMBD_DEFAULT_INSTANCE_FMRI);
1549 }
1550 }
1551 }
1552
1553 if (name != NULL)
1554 sa_free_attr_string(name);
1555 if (value != NULL)
1556 sa_free_attr_string(value);
1557
1558 return (ret);
1559 }
1560
1561 /*
1562 * smb_get_status()
1563 *
1564 * What is the current status of the smbd? We use the SMF state here.
1565 * Caller must free the returned value.
1566 */
1567
1568 static char *
1569 smb_get_status(void)
1570 {
1571 return (smf_get_state(SMBD_DEFAULT_INSTANCE_FMRI));
1572 }
1573
1574 /*
1575 * This protocol plugin require resource names
1576 */
1577 static uint64_t
1578 smb_share_features(void)
1579 {
1580 return (SA_FEATURE_RESOURCE | SA_FEATURE_ALLOWSUBDIRS |
1581 SA_FEATURE_ALLOWPARDIRS | SA_FEATURE_SERVER);
1582 }
1583
1584 /*
1585 * This should be used to convert smb_share_t to sa_resource_t
1586 * Should only be needed to build transient shares/resources to be
1587 * supplied to sharemgr to display.
1588 */
1589 static int
1590 smb_add_transient(sa_handle_t handle, smb_share_t *si)
1591 {
1592 int err;
1593 sa_share_t share;
1594 sa_group_t group;
1595 sa_resource_t resource;
1596 nvlist_t *nvl;
1597 char *opt;
1598
1599 if (si == NULL)
1600 return (SA_INVALID_NAME);
1601
1602 if ((share = sa_find_share(handle, si->shr_path)) == NULL) {
1603 if ((group = smb_get_defaultgrp(handle)) == NULL)
1604 return (SA_NO_SUCH_GROUP);
1605
1606 share = sa_get_share(group, si->shr_path);
1607 if (share == NULL) {
1608 share = sa_add_share(group, si->shr_path,
1609 SA_SHARE_TRANSIENT, &err);
1610 if (share == NULL)
1611 return (SA_NO_SUCH_PATH);
1612 }
1613 }
1614
1615 /*
1616 * Now handle the resource. Make sure that the resource is
1617 * transient and added to the share.
1618 */
1619 resource = sa_get_share_resource(share, si->shr_name);
1620 if (resource == NULL) {
1621 resource = sa_add_resource(share,
1622 si->shr_name, SA_SHARE_TRANSIENT, &err);
1623 if (resource == NULL)
1624 return (SA_NO_SUCH_RESOURCE);
1625 }
1626
1627 if (si->shr_cmnt[0] != '\0')
1628 (void) sa_set_resource_description(resource, si->shr_cmnt);
1629
1630 if (si->shr_container[0] != '\0')
1631 (void) sa_set_resource_attr(resource, SHOPT_AD_CONTAINER,
1632 si->shr_container);
1633
1634 if (nvlist_alloc(&nvl, NV_UNIQUE_NAME, 0) != 0)
1635 return (SA_NO_MEMORY);
1636
1637 if ((opt = smb_csc_name(si)) != NULL)
1638 err |= nvlist_add_string(nvl, SHOPT_CSC, opt);
1639
1640 opt = (si->shr_flags & SMB_SHRF_ABE) ? "true" : "false";
1641 err |= nvlist_add_string(nvl, SHOPT_ABE, opt);
1642
1643 if ((si->shr_flags & SMB_SHRF_AUTOHOME) == 0) {
1644 opt = (si->shr_flags & SMB_SHRF_GUEST_OK) ? "true" : "false";
1645 err |= nvlist_add_string(nvl, SHOPT_GUEST, opt);
1646 }
1647
1648 if (si->shr_access_ro[0] != '\0')
1649 err |= nvlist_add_string(nvl, SHOPT_RO, si->shr_access_ro);
1650
1651 if (si->shr_access_rw[0] != '\0')
1652 err |= nvlist_add_string(nvl, SHOPT_RW, si->shr_access_rw);
1653
1654 if (si->shr_access_none[0] != '\0')
1655 err |= nvlist_add_string(nvl, SHOPT_NONE, si->shr_access_none);
1656
1657 if (err) {
1658 nvlist_free(nvl);
1659 return (SA_CONFIG_ERR);
1660 }
1661
1662 err = smb_update_optionset_props(handle, resource, nvl);
1663
1664 nvlist_free(nvl);
1665 return (err);
1666 }
1667
1668 /*
1669 * Return smb transient shares.
1670 */
1671 static int
1672 smb_list_transient(sa_handle_t handle)
1673 {
1674 int i, offset;
1675 smb_shrlist_t list;
1676 int res;
1677
1678 if (smb_share_count() <= 0)
1679 return (SA_OK);
1680
1681 offset = 0;
1682 while (smb_share_list(offset, &list) == NERR_Success) {
1683 if (list.sl_cnt == 0)
1684 break;
1685
1686 for (i = 0; i < list.sl_cnt; i++) {
1687 res = smb_add_transient(handle, &(list.sl_shares[i]));
1688 if (res != SA_OK)
1689 return (res);
1690 }
1691 offset += list.sl_cnt;
1692 }
1693
1694 return (SA_OK);
1695 }
1696
1697 /*
1698 * fix_resource_name(share, name, prefix)
1699 *
1700 * Construct a name where the ZFS dataset has the prefix replaced with "name".
1701 */
1702 static char *
1703 fix_resource_name(sa_share_t share, char *name, char *prefix)
1704 {
1705 char buf[SA_MAX_RESOURCE_NAME + 1];
1706 char *dataset;
1707 size_t bufsz = SA_MAX_RESOURCE_NAME + 1;
1708 size_t prelen;
1709
1710 if (prefix == NULL)
1711 return (strdup(name));
1712
1713 dataset = sa_get_share_attr(share, "dataset");
1714 if (dataset == NULL)
1715 return (strdup(name));
1716
1717 (void) strlcpy(buf, name, bufsz);
1718 prelen = strlen(prefix);
1719
1720 if (strncmp(dataset, prefix, prelen) == 0)
1721 (void) strlcat(buf, dataset + prelen, bufsz);
1722
1723 sa_free_attr_string(dataset);
1724 sa_fix_resource_name(buf);
1725 return (strdup(buf));
1726 }
1727
1728 /*
1729 * smb_parse_optstring(group, options)
1730 *
1731 * parse a compact option string into individual options. This allows
1732 * ZFS sharesmb and sharemgr "share" command to work. group can be a
1733 * group, a share or a resource.
1734 */
1735 static int
1736 smb_parse_optstring(sa_group_t group, char *options)
1737 {
1738 char *dup;
1739 char *base;
1740 char *lasts;
1741 char *token;
1742 sa_optionset_t optionset;
1743 sa_group_t parent = NULL;
1744 sa_resource_t resource = NULL;
1745 int iszfs = 0;
1746 int persist = 0;
1747 int need_optionset = 0;
1748 int ret = SA_OK;
1749 sa_property_t prop;
1750
1751 /*
1752 * In order to not attempt to change ZFS properties unless
1753 * absolutely necessary, we never do it in the legacy parsing
1754 * so we need to keep track of this.
1755 */
1756 if (sa_is_share(group)) {
1757 char *zfs;
1758
1759 parent = sa_get_parent_group(group);
1760 if (parent != NULL) {
1761 zfs = sa_get_group_attr(parent, "zfs");
1762 if (zfs != NULL) {
1763 sa_free_attr_string(zfs);
1764 iszfs = 1;
1765 }
1766 }
1767 } else {
1768 iszfs = sa_group_is_zfs(group);
1769 /*
1770 * If a ZFS group, then we need to see if a resource
1771 * name is being set. If so, bail with
1772 * SA_PROP_SHARE_ONLY, so we come back in with a share
1773 * instead of a group.
1774 */
1775 if (iszfs ||
1776 strncmp(options, "name=", sizeof ("name=") - 1) == 0 ||
1777 strstr(options, ",name=") != NULL) {
1778 return (SA_PROP_SHARE_ONLY);
1779 }
1780 }
1781
1782 /* do we have an existing optionset? */
1783 optionset = sa_get_optionset(group, "smb");
1784 if (optionset == NULL) {
1785 /* didn't find existing optionset so create one */
1786 optionset = sa_create_optionset(group, "smb");
1787 if (optionset == NULL)
1788 return (SA_NO_MEMORY);
1789 } else {
1790 /*
1791 * If an optionset already exists, we've come through
1792 * twice so ignore the second time.
1793 */
1794 return (ret);
1795 }
1796
1797 /* We need a copy of options for the next part. */
1798 dup = strdup(options);
1799 if (dup == NULL)
1800 return (SA_NO_MEMORY);
1801
1802 /*
1803 * SMB properties are straightforward and are strings,
1804 * integers or booleans. Properties are separated by
1805 * commas. It will be necessary to parse quotes due to some
1806 * strings not having a restricted characters set.
1807 *
1808 * Note that names will create a resource. For now, if there
1809 * is a set of properties "before" the first name="", those
1810 * properties will be placed on the group.
1811 */
1812 persist = sa_is_persistent(group);
1813 base = dup;
1814 token = dup;
1815 lasts = NULL;
1816 while (token != NULL && ret == SA_OK) {
1817 ret = SA_OK;
1818 token = strtok_r(base, ",", &lasts);
1819 base = NULL;
1820 if (token != NULL) {
1821 char *value;
1822 /*
1823 * All SMB properties have values so there
1824 * MUST be an '=' character. If it doesn't,
1825 * it is a syntax error.
1826 */
1827 value = strchr(token, '=');
1828 if (value != NULL) {
1829 *value++ = '\0';
1830 } else {
1831 ret = SA_SYNTAX_ERR;
1832 break;
1833 }
1834 /*
1835 * We may need to handle a "name" property
1836 * that is a ZFS imposed resource name. Each
1837 * name would trigger getting a new "resource"
1838 * to put properties on. For now, assume no
1839 * "name" property for special handling.
1840 */
1841
1842 if (strcmp(token, SHOPT_NAME) == 0) {
1843 char *prefix;
1844 char *name = NULL;
1845 /*
1846 * We have a name, so now work on the
1847 * resource level. We have a "share"
1848 * in "group" due to the caller having
1849 * added it. If we are called with a
1850 * group, the check for group/share
1851 * at the beginning of this function
1852 * will bail out the parse if there is a
1853 * "name" but no share.
1854 */
1855 if (!iszfs) {
1856 ret = SA_SYNTAX_ERR;
1857 break;
1858 }
1859 /*
1860 * Make sure the parent group has the
1861 * "prefix" property since we will
1862 * need to use this for constructing
1863 * inherited name= values.
1864 */
1865 prefix = sa_get_group_attr(parent, "prefix");
1866 if (prefix == NULL) {
1867 prefix = sa_get_group_attr(parent,
1868 "name");
1869 if (prefix != NULL) {
1870 (void) sa_set_group_attr(parent,
1871 "prefix", prefix);
1872 }
1873 }
1874 name = fix_resource_name((sa_share_t)group,
1875 value, prefix);
1876 if (name != NULL) {
1877 resource = sa_add_resource(
1878 (sa_share_t)group, name,
1879 SA_SHARE_TRANSIENT, &ret);
1880 sa_free_attr_string(name);
1881 } else {
1882 ret = SA_NO_MEMORY;
1883 }
1884 if (prefix != NULL)
1885 sa_free_attr_string(prefix);
1886
1887 /* A resource level optionset is needed */
1888
1889 need_optionset = 1;
1890 if (resource == NULL) {
1891 ret = SA_NO_MEMORY;
1892 break;
1893 }
1894 continue;
1895 }
1896
1897 if (iszfs && strcmp(token, SHOPT_DESCRIPTION) == 0) {
1898 if (resource == NULL)
1899 (void) sa_set_share_description(
1900 (sa_share_t)group, value);
1901 else
1902 (void) sa_set_resource_description(
1903 resource, value);
1904 continue;
1905 }
1906
1907 if (need_optionset) {
1908 optionset = sa_create_optionset(resource,
1909 "smb");
1910 need_optionset = 0;
1911 }
1912
1913 prop = sa_create_property(token, value);
1914 if (prop == NULL)
1915 ret = SA_NO_MEMORY;
1916 else
1917 ret = sa_add_property(optionset, prop);
1918 if (ret != SA_OK)
1919 break;
1920 if (!iszfs)
1921 ret = sa_commit_properties(optionset, !persist);
1922 }
1923 }
1924 free(dup);
1925 return (ret);
1926 }
1927
1928 /*
1929 * smb_sprint_option(rbuff, rbuffsize, incr, prop, sep)
1930 *
1931 * provides a mechanism to format SMB properties into legacy output
1932 * format. If the buffer would overflow, it is reallocated and grown
1933 * as appropriate. Special cases of converting internal form of values
1934 * to those used by "share" are done. this function does one property
1935 * at a time.
1936 */
1937
1938 static void
1939 smb_sprint_option(char **rbuff, size_t *rbuffsize, size_t incr,
1940 sa_property_t prop, int sep)
1941 {
1942 char *name;
1943 char *value;
1944 int curlen;
1945 char *buff = *rbuff;
1946 size_t buffsize = *rbuffsize;
1947
1948 name = sa_get_property_attr(prop, "type");
1949 value = sa_get_property_attr(prop, "value");
1950 if (buff != NULL)
1951 curlen = strlen(buff);
1952 else
1953 curlen = 0;
1954 if (name != NULL) {
1955 int len;
1956 len = strlen(name) + sep;
1957
1958 /*
1959 * A future RFE would be to replace this with more
1960 * generic code and to possibly handle more types.
1961 *
1962 * For now, everything else is treated as a string. If
1963 * we get any properties that aren't exactly
1964 * name/value pairs, we may need to
1965 * interpret/transform.
1966 */
1967 if (value != NULL)
1968 len += 1 + strlen(value);
1969
1970 while (buffsize <= (curlen + len)) {
1971 /* need more room */
1972 buffsize += incr;
1973 buff = realloc(buff, buffsize);
1974 *rbuff = buff;
1975 *rbuffsize = buffsize;
1976 if (buff == NULL) {
1977 /* realloc failed so free everything */
1978 if (*rbuff != NULL)
1979 free(*rbuff);
1980 goto err;
1981 }
1982 }
1983 if (buff == NULL)
1984 goto err;
1985 (void) snprintf(buff + curlen, buffsize - curlen,
1986 "%s%s=%s", sep ? "," : "",
1987 name, value != NULL ? value : "\"\"");
1988
1989 }
1990 err:
1991 if (name != NULL)
1992 sa_free_attr_string(name);
1993 if (value != NULL)
1994 sa_free_attr_string(value);
1995 }
1996
1997 /*
1998 * smb_format_resource_options(resource, hier)
1999 *
2000 * format all the options on the group into a flattened option
2001 * string. If hier is non-zero, walk up the tree to get inherited
2002 * options.
2003 */
2004
2005 static char *
2006 smb_format_options(sa_group_t group, int hier)
2007 {
2008 sa_optionset_t options = NULL;
2009 sa_property_t prop;
2010 int sep = 0;
2011 char *buff;
2012 size_t buffsize;
2013
2014
2015 buff = malloc(OPT_CHUNK);
2016 if (buff == NULL)
2017 return (NULL);
2018
2019 buff[0] = '\0';
2020 buffsize = OPT_CHUNK;
2021
2022 /*
2023 * We may have a an optionset relative to this item. format
2024 * these if we find them and then add any security definitions.
2025 */
2026
2027 options = sa_get_derived_optionset(group, "smb", hier);
2028
2029 /*
2030 * do the default set first but skip any option that is also
2031 * in the protocol specific optionset.
2032 */
2033 if (options != NULL) {
2034 for (prop = sa_get_property(options, NULL);
2035 prop != NULL; prop = sa_get_next_property(prop)) {
2036 /*
2037 * use this one since we skipped any
2038 * of these that were also in
2039 * optdefault
2040 */
2041 smb_sprint_option(&buff, &buffsize, OPT_CHUNK,
2042 prop, sep);
2043 if (buff == NULL) {
2044 /*
2045 * buff could become NULL if there
2046 * isn't enough memory for
2047 * smb_sprint_option to realloc()
2048 * as necessary. We can't really
2049 * do anything about it at this
2050 * point so we return NULL. The
2051 * caller should handle the
2052 * failure.
2053 */
2054 if (options != NULL)
2055 sa_free_derived_optionset(
2056 options);
2057 return (buff);
2058 }
2059 sep = 1;
2060 }
2061 }
2062
2063 if (options != NULL)
2064 sa_free_derived_optionset(options);
2065 return (buff);
2066 }
2067
2068 /*
2069 * smb_rename_resource(resource, newname)
2070 *
2071 * Change the current exported name of the resource to newname.
2072 */
2073 /*ARGSUSED*/
2074 int
2075 smb_rename_resource(sa_handle_t handle, sa_resource_t resource, char *newname)
2076 {
2077 int ret = SA_OK;
2078 int err;
2079 char *oldname;
2080
2081 if (!smb_isonline())
2082 return (SA_OK);
2083
2084 oldname = sa_get_resource_attr(resource, "name");
2085 if (oldname == NULL)
2086 return (SA_NO_SUCH_RESOURCE);
2087
2088 err = smb_share_rename(oldname, newname);
2089
2090 sa_free_attr_string(oldname);
2091
2092 /* improve error values somewhat */
2093 switch (err) {
2094 case NERR_Success:
2095 break;
2096 case NERR_InternalError:
2097 ret = SA_SYSTEM_ERR;
2098 break;
2099 case NERR_DuplicateShare:
2100 ret = SA_DUPLICATE_NAME;
2101 break;
2102 default:
2103 ret = SA_CONFIG_ERR;
2104 break;
2105 }
2106
2107 return (ret);
2108 }
2109
2110 static int
2111 smb_build_shareinfo(sa_share_t share, sa_resource_t resource, smb_share_t *si)
2112 {
2113 sa_optionset_t opts;
2114 char *path;
2115 char *rname;
2116 char *val = NULL;
2117 char csc_value[SMB_CSC_BUFSZ];
2118
2119 bzero(si, sizeof (smb_share_t));
2120
2121 if ((path = sa_get_share_attr(share, "path")) == NULL)
2122 return (SA_NO_SUCH_PATH);
2123
2124 if ((rname = sa_get_resource_attr(resource, "name")) == NULL) {
2125 sa_free_attr_string(path);
2126 return (SA_NO_SUCH_RESOURCE);
2127 }
2128
2129 (void) strlcpy(si->shr_path, path, sizeof (si->shr_path));
2130 (void) strlcpy(si->shr_name, rname, sizeof (si->shr_name));
2131 sa_free_attr_string(path);
2132 sa_free_attr_string(rname);
2133
2134 val = sa_get_resource_description(resource);
2135 if (val == NULL)
2136 val = sa_get_share_description(share);
2137
2138 if (val != NULL) {
2139 (void) strlcpy(si->shr_cmnt, val, sizeof (si->shr_cmnt));
2140 sa_free_share_description(val);
2141 }
2142
2143 si->shr_flags = (sa_is_persistent(share))
2144 ? SMB_SHRF_PERM : SMB_SHRF_TRANS;
2145
2146 opts = sa_get_derived_optionset(resource, SMB_PROTOCOL_NAME, 1);
2147 if (opts == NULL)
2148 return (SA_OK);
2149
2150 if (smb_saprop_getbool(opts, SHOPT_CATIA))
2151 si->shr_flags |= SMB_SHRF_CATIA;
2152
2153 if (smb_saprop_getbool(opts, SHOPT_ABE))
2154 si->shr_flags |= SMB_SHRF_ABE;
2155
2156 if (smb_saprop_getbool(opts, SHOPT_GUEST))
2157 si->shr_flags |= SMB_SHRF_GUEST_OK;
2158
2159 if (smb_saprop_getbool(opts, SHOPT_DFSROOT))
2160 si->shr_flags |= SMB_SHRF_DFSROOT;
2161
2162 (void) smb_saprop_getstr(opts, SHOPT_AD_CONTAINER, si->shr_container,
2163 sizeof (si->shr_container));
2164
2165 if (smb_saprop_getstr(opts, SHOPT_CSC, csc_value, sizeof (csc_value)))
2166 smb_csc_option(csc_value, si);
2167
2168 if (smb_saprop_getstr(opts, SHOPT_RO, si->shr_access_ro,
2169 sizeof (si->shr_access_ro)))
2170 si->shr_flags |= SMB_SHRF_ACC_RO;
2171
2172 if (smb_saprop_getstr(opts, SHOPT_RW, si->shr_access_rw,
2173 sizeof (si->shr_access_rw)))
2174 si->shr_flags |= SMB_SHRF_ACC_RW;
2175
2176 if (smb_saprop_getstr(opts, SHOPT_NONE, si->shr_access_none,
2177 sizeof (si->shr_access_none)))
2178 si->shr_flags |= SMB_SHRF_ACC_NONE;
2179
2180 sa_free_derived_optionset(opts);
2181 return (SA_OK);
2182 }
2183
2184 /*
2185 * Map a client-side caching (CSC) option to the appropriate share
2186 * flag. Only one option is allowed; an error will be logged if
2187 * multiple options have been specified. We don't need to do anything
2188 * about multiple values here because the SRVSVC will not recognize
2189 * a value containing multiple flags and will return the default value.
2190 *
2191 * If the option value is not recognized, it will be ignored: invalid
2192 * values will typically be caught and rejected by sharemgr.
2193 */
2194 static void
2195 smb_csc_option(const char *value, smb_share_t *si)
2196 {
2197 char buf[SMB_CSC_BUFSZ];
2198 int i;
2199
2200 for (i = 0; i < (sizeof (cscopt) / sizeof (cscopt[0])); ++i) {
2201 if (strcasecmp(value, cscopt[i].value) == 0) {
2202 si->shr_flags |= cscopt[i].flag;
2203 break;
2204 }
2205 }
2206
2207 switch (si->shr_flags & SMB_SHRF_CSC_MASK) {
2208 case 0:
2209 case SMB_SHRF_CSC_DISABLED:
2210 case SMB_SHRF_CSC_MANUAL:
2211 case SMB_SHRF_CSC_AUTO:
2212 case SMB_SHRF_CSC_VDO:
2213 break;
2214
2215 default:
2216 buf[0] = '\0';
2217
2218 for (i = 0; i < (sizeof (cscopt) / sizeof (cscopt[0])); ++i) {
2219 if (si->shr_flags & cscopt[i].flag) {
2220 (void) strlcat(buf, " ", SMB_CSC_BUFSZ);
2221 (void) strlcat(buf, cscopt[i].value,
2222 SMB_CSC_BUFSZ);
2223 }
2224 }
2225
2226 syslog(LOG_ERR, "csc option conflict:%s", buf);
2227 break;
2228 }
2229 }
2230
2231 /*
2232 * Return the option name for the first CSC flag (there should be only
2233 * one) encountered in the share flags.
2234 */
2235 static char *
2236 smb_csc_name(const smb_share_t *si)
2237 {
2238 int i;
2239
2240 for (i = 0; i < (sizeof (cscopt) / sizeof (cscopt[0])); ++i) {
2241 if (si->shr_flags & cscopt[i].flag)
2242 return (cscopt[i].value);
2243 }
2244
2245 return (NULL);
2246 }
2247
2248 /*
2249 * smb_get_defaultgrp
2250 *
2251 * If default group for CIFS shares (i.e. "smb") exists
2252 * then it will return the group handle, otherwise it will
2253 * create the group and return the handle.
2254 *
2255 * All the shares created by CIFS clients (this is only possible
2256 * via RPC) will be added to "smb" groups.
2257 */
2258 static sa_group_t
2259 smb_get_defaultgrp(sa_handle_t handle)
2260 {
2261 sa_group_t group = NULL;
2262 int err;
2263
2264 group = sa_get_group(handle, SMB_DEFAULT_SHARE_GROUP);
2265 if (group != NULL)
2266 return (group);
2267
2268 group = sa_create_group(handle, SMB_DEFAULT_SHARE_GROUP, &err);
2269 if (group == NULL)
2270 return (NULL);
2271
2272 if (sa_create_optionset(group, SMB_DEFAULT_SHARE_GROUP) == NULL) {
2273 (void) sa_remove_group(group);
2274 group = NULL;
2275 }
2276
2277 return (group);
2278 }
2279
2280 /*
2281 * Checks to see if the command args are the supported substitution specifier.
2282 * i.e. <cmd> %U %S
2283 */
2284 static int
2285 cmd_validator(int index, char *value)
2286 {
2287 char cmd[MAXPATHLEN];
2288 char *ptr, *v;
2289 boolean_t skip_cmdname;
2290
2291 if (string_length_check_validator(index, value) != SA_OK)
2292 return (SA_BAD_VALUE);
2293
2294 if (*value == '\0')
2295 return (SA_OK);
2296
2297 (void) strlcpy(cmd, value, sizeof (cmd));
2298
2299 ptr = cmd;
2300 skip_cmdname = B_TRUE;
2301 do {
2302 if ((v = strsep(&ptr, " ")) == NULL)
2303 break;
2304
2305 if (*v != '\0') {
2306
2307 if (skip_cmdname) {
2308 skip_cmdname = B_FALSE;
2309 continue;
2310 }
2311
2312 if ((strlen(v) != 2) || *v != '%')
2313 return (SA_BAD_VALUE);
2314
2315 if (strpbrk(v, SMB_VALID_SUB_CHRS) == NULL)
2316 return (SA_BAD_VALUE);
2317 }
2318
2319 } while (v != NULL);
2320
2321 /*
2322 * If skip_cmdname is still true then the string contains
2323 * only spaces. Don't allow such a string.
2324 */
2325 if (skip_cmdname)
2326 return (SA_BAD_VALUE);
2327
2328 return (SA_OK);
2329 }
2330
2331 /*ARGSUSED*/
2332 static int
2333 disposition_validator(int index, char *value)
2334 {
2335 if (value == NULL)
2336 return (SA_BAD_VALUE);
2337
2338 if (*value == '\0')
2339 return (SA_OK);
2340
2341 if ((strcasecmp(value, SMB_EXEC_DISP_CONTINUE) == 0) ||
2342 (strcasecmp(value, SMB_EXEC_DISP_TERMINATE) == 0))
2343 return (SA_OK);
2344
2345 return (SA_BAD_VALUE);
2346 }
2347
2348 /*ARGSUSED*/
2349 static int
2350 max_protocol_validator(int index, char *value)
2351 {
2352 if (value == NULL)
2353 return (SA_BAD_VALUE);
2354
2355 if (*value == '\0')
2356 return (SA_OK);
2357
2358 if (smb_config_check_protocol(value) == 0)
2359 return (SA_OK);
2360
2361 return (SA_BAD_VALUE);
2362
2363 }
2364
2365 /*
2366 * Updates the optionset properties of the share resource.
2367 * The properties are given as a list of name-value pair.
2368 * The name argument should be the optionset property name and the value
2369 * should be a valid value for the specified property.
2370 *
2371 * When calling this function for permanent shares, the caller must also
2372 * call sa_commit_properties() to commit the changes to SMF.
2373 */
2374 static int
2375 smb_update_optionset_props(sa_handle_t handle, sa_resource_t resource,
2376 nvlist_t *nvl)
2377 {
2378 sa_property_t prop;
2379 sa_optionset_t opts;
2380 int err = SA_OK;
2381 nvpair_t *cur;
2382 char *name, *val;
2383
2384 if ((opts = sa_get_optionset(resource, SMB_PROTOCOL_NAME)) == NULL) {
2385 opts = sa_create_optionset(resource, SMB_PROTOCOL_NAME);
2386 if (opts == NULL)
2387 return (SA_CONFIG_ERR);
2388 }
2389
2390 cur = nvlist_next_nvpair(nvl, NULL);
2391 while (cur != NULL) {
2392 name = nvpair_name(cur);
2393 err = nvpair_value_string(cur, &val);
2394 if ((err != 0) || (name == NULL) || (val == NULL)) {
2395 err = SA_CONFIG_ERR;
2396 break;
2397 }
2398
2399 prop = NULL;
2400 if ((prop = sa_get_property(opts, name)) == NULL) {
2401 prop = sa_create_property(name, val);
2402 if (prop != NULL) {
2403 err = sa_valid_property(handle, opts,
2404 SMB_PROTOCOL_NAME, prop);
2405 if (err != SA_OK) {
2406 (void) sa_remove_property(prop);
2407 break;
2408 }
2409 }
2410 err = sa_add_property(opts, prop);
2411 if (err != SA_OK)
2412 break;
2413 } else {
2414 err = sa_update_property(prop, val);
2415 if (err != SA_OK)
2416 break;
2417 }
2418
2419 cur = nvlist_next_nvpair(nvl, cur);
2420 }
2421
2422 return (err);
2423 }
2424
2425 static boolean_t
2426 smb_saprop_getbool(sa_optionset_t opts, char *propname)
2427 {
2428 sa_property_t prop;
2429 char *val;
2430 boolean_t propval = B_FALSE;
2431
2432 prop = sa_get_property(opts, propname);
2433 if ((val = sa_get_property_attr(prop, "value")) != NULL) {
2434 if ((strcasecmp(val, "true") == 0) || (strcmp(val, "1") == 0))
2435 propval = B_TRUE;
2436 free(val);
2437 }
2438
2439 return (propval);
2440 }
2441
2442 static boolean_t
2443 smb_saprop_getstr(sa_optionset_t opts, char *propname, char *buf, size_t bufsz)
2444 {
2445 sa_property_t prop;
2446 char *val;
2447
2448 prop = sa_get_property(opts, propname);
2449 if ((val = sa_get_property_attr(prop, "value")) != NULL) {
2450 (void) strlcpy(buf, val, bufsz);
2451 free(val);
2452 return (B_TRUE);
2453 }
2454
2455 return (B_FALSE);
2456 }
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