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