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 *, boolean_t); 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 { SHOPT_QUOTAS, OPT_TYPE_BOOLEAN }, 182 { NULL, NULL } 183 }; 184 185 /* 186 * findopt(name) 187 * 188 * Lookup option "name" in the option table and return the table 189 * index. 190 */ 191 static int 192 findopt(char *name) 193 { 194 int i; 195 if (name != NULL) { 196 for (i = 0; optdefs[i].tag != NULL; i++) { 197 if (strcmp(optdefs[i].tag, name) == 0) 198 return (i); 199 } 200 } 201 return (-1); 202 } 203 204 /* 205 * is_a_number(number) 206 * 207 * is the string a number in one of the forms we want to use? 208 */ 209 static boolean_t 210 is_a_number(char *number) 211 { 212 boolean_t isnum = B_TRUE; 213 boolean_t ishex = B_FALSE; 214 215 if (number == NULL || *number == '\0') 216 return (B_FALSE); 217 218 if (strncasecmp(number, "0x", 2) == 0) { 219 number += 2; 220 ishex = B_TRUE; 221 } else if (*number == '-') { 222 number++; 223 } 224 225 while (isnum && (*number != '\0')) { 226 isnum = (ishex) ? isxdigit(*number) : isdigit(*number); 227 number++; 228 } 229 230 return (isnum); 231 } 232 233 /* 234 * check ro vs rw values. Over time this may get beefed up. 235 * for now it just does simple checks. 236 */ 237 238 static int 239 check_rorw(char *v1, char *v2) 240 { 241 int ret = SA_OK; 242 if (strcmp(v1, v2) == 0) 243 ret = SA_VALUE_CONFLICT; 244 return (ret); 245 } 246 247 /* 248 * validresource(name) 249 * 250 * Check that name only has valid characters in it. The current valid 251 * set are the printable characters but not including: 252 * " / \ [ ] : | < > + ; , ? * = \t 253 * Note that space is included and there is a maximum length. 254 */ 255 static boolean_t 256 validresource(const char *name) 257 { 258 const char *cp; 259 size_t len; 260 261 if (name == NULL) 262 return (B_FALSE); 263 264 len = strlen(name); 265 if (len == 0 || len > SA_MAX_RESOURCE_NAME) 266 return (B_FALSE); 267 268 if (strpbrk(name, "\"/\\[]:|<>+;,?*=\t") != NULL) { 269 return (B_FALSE); 270 } 271 272 for (cp = name; *cp != '\0'; cp++) 273 if (iscntrl(*cp)) 274 return (B_FALSE); 275 276 return (B_TRUE); 277 } 278 279 /* 280 * Check that the client-side caching (CSC) option value is valid. 281 */ 282 static boolean_t 283 validcsc(const char *value) 284 { 285 int i; 286 287 for (i = 0; i < (sizeof (cscopt) / sizeof (cscopt[0])); ++i) { 288 if (strcasecmp(value, cscopt[i].value) == 0) 289 return (B_TRUE); 290 } 291 292 return (B_FALSE); 293 } 294 295 /* 296 * smb_isonline() 297 * 298 * Determine if the SMF service instance is in the online state or 299 * not. A number of operations depend on this state. 300 */ 301 static boolean_t 302 smb_isonline(void) 303 { 304 char *str; 305 boolean_t ret = B_FALSE; 306 307 if ((str = smf_get_state(SMBD_DEFAULT_INSTANCE_FMRI)) != NULL) { 308 ret = (strcmp(str, SCF_STATE_STRING_ONLINE) == 0); 309 free(str); 310 } 311 return (ret); 312 } 313 314 /* 315 * smb_isdisabled() 316 * 317 * Determine if the SMF service instance is in the disabled state or 318 * not. A number of operations depend on this state. 319 */ 320 static boolean_t 321 smb_isdisabled(void) 322 { 323 char *str; 324 boolean_t ret = B_FALSE; 325 326 if ((str = smf_get_state(SMBD_DEFAULT_INSTANCE_FMRI)) != NULL) { 327 ret = (strcmp(str, SCF_STATE_STRING_DISABLED) == 0); 328 free(str); 329 } 330 return (ret); 331 } 332 333 /* 334 * smb_isautoenable() 335 * 336 * Determine if the SMF service instance auto_enabled set or not. A 337 * number of operations depend on this state. The property not being 338 * set or being set to true means autoenable. Only being set to false 339 * is not autoenabled. 340 */ 341 static boolean_t 342 smb_isautoenable(void) 343 { 344 boolean_t ret = B_TRUE; 345 scf_simple_prop_t *prop; 346 uint8_t *retstr; 347 348 prop = scf_simple_prop_get(NULL, SMBD_DEFAULT_INSTANCE_FMRI, 349 "application", "auto_enable"); 350 if (prop != NULL) { 351 retstr = scf_simple_prop_next_boolean(prop); 352 ret = *retstr != 0; 353 scf_simple_prop_free(prop); 354 } 355 return (ret); 356 } 357 358 /* 359 * smb_ismaint() 360 * 361 * Determine if the SMF service instance is in the disabled state or 362 * not. A number of operations depend on this state. 363 */ 364 static boolean_t 365 smb_ismaint(void) 366 { 367 char *str; 368 boolean_t ret = B_FALSE; 369 370 if ((str = smf_get_state(SMBD_DEFAULT_INSTANCE_FMRI)) != NULL) { 371 ret = (strcmp(str, SCF_STATE_STRING_MAINT) == 0); 372 free(str); 373 } 374 return (ret); 375 } 376 377 /* 378 * smb_enable_share tells the implementation that it is to enable the share. 379 * This entails converting the path and options into the appropriate ioctl 380 * calls. It is assumed that all error checking of paths, etc. were 381 * done earlier. 382 */ 383 static int 384 smb_enable_share(sa_share_t share) 385 { 386 char *path; 387 smb_share_t si; 388 sa_resource_t resource; 389 boolean_t iszfs; 390 boolean_t privileged; 391 int err = SA_OK; 392 priv_set_t *priv_effective; 393 boolean_t online; 394 395 /* 396 * Don't support Trusted Extensions. 397 */ 398 if (is_system_labeled()) { 399 (void) printf(dgettext(TEXT_DOMAIN, 400 "SMB: service not supported with Trusted Extensions\n")); 401 return (SA_NOT_SUPPORTED); 402 } 403 404 priv_effective = priv_allocset(); 405 (void) getppriv(PRIV_EFFECTIVE, priv_effective); 406 privileged = (priv_isfullset(priv_effective) == B_TRUE); 407 priv_freeset(priv_effective); 408 409 /* get the path since it is important in several places */ 410 path = sa_get_share_attr(share, "path"); 411 if (path == NULL) 412 return (SA_NO_SUCH_PATH); 413 414 /* 415 * If administratively disabled, don't try to start anything. 416 */ 417 online = smb_isonline(); 418 if (!online && !smb_isautoenable() && smb_isdisabled()) 419 goto done; 420 421 iszfs = sa_path_is_zfs(path); 422 423 if (iszfs) { 424 425 if (privileged == B_FALSE && !online) { 426 427 if (!online) { 428 (void) printf(dgettext(TEXT_DOMAIN, 429 "SMB: Cannot share remove " 430 "file system: %s\n"), path); 431 (void) printf(dgettext(TEXT_DOMAIN, 432 "SMB: Service needs to be enabled " 433 "by a privileged user\n")); 434 err = SA_NO_PERMISSION; 435 errno = EPERM; 436 } 437 if (err) { 438 sa_free_attr_string(path); 439 return (err); 440 } 441 442 } 443 } 444 445 if (privileged == B_TRUE && !online) { 446 err = smb_enable_service(); 447 if (err != SA_OK) { 448 (void) printf(dgettext(TEXT_DOMAIN, 449 "SMB: Unable to enable service\n")); 450 } else { 451 online = B_TRUE; 452 } 453 } 454 455 /* 456 * Don't bother trying to start shares if the service isn't 457 * running. 458 */ 459 if (!online) 460 goto done; 461 462 /* Each share can have multiple resources */ 463 for (resource = sa_get_share_resource(share, NULL); 464 resource != NULL; 465 resource = sa_get_next_resource(resource)) { 466 err = smb_build_shareinfo(share, resource, &si); 467 if (err != SA_OK) { 468 sa_free_attr_string(path); 469 return (err); 470 } 471 472 if (!iszfs) { 473 err = smb_share_create(&si); 474 } else { 475 share_t sh; 476 477 (void) sa_sharetab_fill_zfs(share, &sh, "smb"); 478 err = sa_share_zfs(share, resource, (char *)path, &sh, 479 &si, ZFS_SHARE_SMB); 480 if (err != SA_OK) { 481 errno = err; 482 err = -1; 483 } 484 sa_emptyshare(&sh); 485 } 486 } 487 if (!iszfs) 488 (void) sa_update_sharetab(share, "smb"); 489 done: 490 sa_free_attr_string(path); 491 492 return (err == NERR_DuplicateShare ? 0 : err); 493 } 494 495 /* 496 * This is the share for CIFS all shares have resource names. 497 * Enable tells the smb server to update its hash. If it fails 498 * because smb server is down, we just ignore as smb server loads 499 * the resources from sharemanager at startup. 500 */ 501 502 static int 503 smb_enable_resource(sa_resource_t resource) 504 { 505 sa_share_t share; 506 smb_share_t si; 507 int ret = SA_OK; 508 int err; 509 boolean_t isonline; 510 511 share = sa_get_resource_parent(resource); 512 if (share == NULL) 513 return (SA_NO_SUCH_PATH); 514 515 /* 516 * If administratively disabled, don't try to start anything. 517 */ 518 isonline = smb_isonline(); 519 if (!isonline && !smb_isautoenable() && smb_isdisabled()) 520 return (SA_OK); 521 522 if (!isonline) { 523 (void) smb_enable_service(); 524 525 if (!smb_isonline()) 526 return (SA_OK); 527 } 528 529 if ((ret = smb_build_shareinfo(share, resource, &si)) != SA_OK) 530 return (ret); 531 532 /* 533 * Attempt to add the share. Any error that occurs if it was 534 * online is an error but don't count NERR_DuplicateName if 535 * smb/server had to be brought online since bringing the 536 * service up will enable the share that was just added prior 537 * to the attempt to enable. 538 */ 539 err = smb_share_create(&si); 540 if (err == NERR_Success || !(!isonline && err == NERR_DuplicateName)) 541 (void) sa_update_sharetab(share, "smb"); 542 else 543 return (SA_NOT_SHARED); 544 545 return (SA_OK); 546 } 547 548 /* 549 * Remove it from smb server hash. 550 */ 551 static int 552 smb_disable_resource(sa_resource_t resource) 553 { 554 char *rname; 555 uint32_t res; 556 sa_share_t share; 557 558 rname = sa_get_resource_attr(resource, "name"); 559 if (rname == NULL) 560 return (SA_NO_SUCH_RESOURCE); 561 562 if (smb_isonline()) { 563 res = smb_share_delete(rname); 564 if (res != NERR_Success && 565 res != NERR_NetNameNotFound) { 566 sa_free_attr_string(rname); 567 return (SA_CONFIG_ERR); 568 } 569 } 570 571 sa_free_attr_string(rname); 572 573 share = sa_get_resource_parent(resource); 574 if (share != NULL) { 575 rname = sa_get_share_attr(share, "path"); 576 if (rname != NULL) { 577 sa_handle_t handle; 578 579 handle = sa_find_group_handle((sa_group_t)resource); 580 (void) sa_delete_sharetab(handle, rname, "smb"); 581 sa_free_attr_string(rname); 582 } 583 } 584 /* 585 * Always return OK as smb/server may be down and 586 * Shares will be picked up when loaded. 587 */ 588 return (SA_OK); 589 } 590 591 /* 592 * smb_share_changed(sa_share_t share) 593 * 594 * The specified share has changed. 595 */ 596 static int 597 smb_share_changed(sa_share_t share) 598 { 599 char *path; 600 sa_resource_t resource; 601 602 if (!smb_isonline()) 603 return (SA_OK); 604 605 /* get the path since it is important in several places */ 606 path = sa_get_share_attr(share, "path"); 607 if (path == NULL) 608 return (SA_NO_SUCH_PATH); 609 610 for (resource = sa_get_share_resource(share, NULL); 611 resource != NULL; 612 resource = sa_get_next_resource(resource)) 613 (void) smb_resource_changed(resource); 614 615 sa_free_attr_string(path); 616 617 return (SA_OK); 618 } 619 620 /* 621 * smb_resource_changed(sa_resource_t resource) 622 * 623 * The specified resource has changed. 624 */ 625 static int 626 smb_resource_changed(sa_resource_t resource) 627 { 628 uint32_t res; 629 sa_share_t share; 630 smb_share_t si; 631 632 if (!smb_isonline()) 633 return (SA_OK); 634 635 if ((share = sa_get_resource_parent(resource)) == NULL) 636 return (SA_CONFIG_ERR); 637 638 if ((res = smb_build_shareinfo(share, resource, &si)) != SA_OK) 639 return (res); 640 641 res = smb_share_modify(&si); 642 643 if (res != NERR_Success) 644 return (SA_CONFIG_ERR); 645 646 return (smb_enable_service()); 647 } 648 649 /* 650 * smb_disable_share(sa_share_t share, char *path) 651 * 652 * Unshare the specified share. Note that "path" is the same 653 * path as what is in the "share" object. It is passed in to avoid an 654 * additional lookup. A missing "path" value makes this a no-op 655 * function. 656 */ 657 static int 658 smb_disable_share(sa_share_t share, char *path) 659 { 660 char *rname; 661 sa_resource_t resource; 662 sa_group_t parent; 663 boolean_t iszfs; 664 int err = SA_OK; 665 int ret = SA_OK; 666 sa_handle_t handle; 667 boolean_t first = B_TRUE; /* work around sharetab issue */ 668 669 if (path == NULL) 670 return (ret); 671 672 /* 673 * If the share is in a ZFS group we need to handle it 674 * differently. Just being on a ZFS file system isn't 675 * enough since we may be in a legacy share case. 676 */ 677 parent = sa_get_parent_group(share); 678 iszfs = sa_group_is_zfs(parent); 679 680 if (!smb_isonline()) 681 goto done; 682 683 for (resource = sa_get_share_resource(share, NULL); 684 resource != NULL; 685 resource = sa_get_next_resource(resource)) { 686 rname = sa_get_resource_attr(resource, "name"); 687 if (rname == NULL) { 688 continue; 689 } 690 if (!iszfs) { 691 err = smb_share_delete(rname); 692 switch (err) { 693 case NERR_NetNameNotFound: 694 case NERR_Success: 695 err = SA_OK; 696 break; 697 default: 698 err = SA_CONFIG_ERR; 699 break; 700 } 701 } else { 702 share_t sh; 703 704 (void) sa_sharetab_fill_zfs(share, &sh, "smb"); 705 err = sa_share_zfs(share, resource, (char *)path, &sh, 706 rname, ZFS_UNSHARE_SMB); 707 if (err != SA_OK) { 708 switch (err) { 709 case EINVAL: 710 case ENOENT: 711 err = SA_OK; 712 break; 713 default: 714 /* 715 * If we are no longer the first case, 716 * we don't care about the sa_share_zfs 717 * err if it is -1. This works around 718 * a problem in sharefs and should be 719 * removed when sharefs supports 720 * multiple entries per path. 721 */ 722 if (!first) 723 err = SA_OK; 724 else 725 err = SA_SYSTEM_ERR; 726 break; 727 } 728 } 729 730 first = B_FALSE; 731 732 sa_emptyshare(&sh); 733 } 734 735 if (err != SA_OK) 736 ret = err; 737 sa_free_attr_string(rname); 738 } 739 done: 740 if (!iszfs) { 741 handle = sa_find_group_handle((sa_group_t)share); 742 if (handle != NULL) 743 (void) sa_delete_sharetab(handle, path, "smb"); 744 else 745 ret = SA_SYSTEM_ERR; 746 } 747 return (ret); 748 } 749 750 /* 751 * smb_validate_property(handle, property, parent) 752 * 753 * Check that the property has a legitimate value for its type. 754 * Handle isn't currently used but may need to be in the future. 755 */ 756 757 /*ARGSUSED*/ 758 static int 759 smb_validate_property(sa_handle_t handle, sa_property_t property, 760 sa_optionset_t parent) 761 { 762 int ret = SA_OK; 763 char *propname; 764 int optindex; 765 sa_group_t parent_group; 766 char *value; 767 char *other; 768 769 propname = sa_get_property_attr(property, "type"); 770 771 if ((optindex = findopt(propname)) < 0) 772 ret = SA_NO_SUCH_PROP; 773 774 /* need to validate value range here as well */ 775 if (ret == SA_OK) { 776 parent_group = sa_get_parent_group((sa_share_t)parent); 777 if (optdefs[optindex].share && !sa_is_share(parent_group)) 778 ret = SA_PROP_SHARE_ONLY; 779 } 780 if (ret != SA_OK) { 781 if (propname != NULL) 782 sa_free_attr_string(propname); 783 return (ret); 784 } 785 786 value = sa_get_property_attr(property, "value"); 787 if (value != NULL) { 788 /* first basic type checking */ 789 switch (optdefs[optindex].type) { 790 case OPT_TYPE_NUMBER: 791 /* check that the value is all digits */ 792 if (!is_a_number(value)) 793 ret = SA_BAD_VALUE; 794 break; 795 case OPT_TYPE_BOOLEAN: 796 ret = true_false_validator(0, value); 797 break; 798 case OPT_TYPE_NAME: 799 /* 800 * Make sure no invalid characters 801 */ 802 if (!validresource(value)) 803 ret = SA_BAD_VALUE; 804 break; 805 case OPT_TYPE_STRING: 806 /* whatever is here should be ok */ 807 break; 808 case OPT_TYPE_CSC: 809 if (!validcsc(value)) 810 ret = SA_BAD_VALUE; 811 break; 812 case OPT_TYPE_ACCLIST: { 813 sa_property_t oprop; 814 char *ovalue; 815 /* 816 * access list handling. Should eventually 817 * validate that all the values make sense. 818 * Also, ro and rw may have cross value 819 * conflicts. 820 */ 821 if (parent == NULL) 822 break; 823 if (strcmp(propname, SHOPT_RO) == 0) 824 other = SHOPT_RW; 825 else if (strcmp(propname, SHOPT_RW) == 0) 826 other = SHOPT_RO; 827 else 828 other = NULL; 829 if (other == NULL) 830 break; 831 832 /* compare rw(ro) with ro(rw) */ 833 oprop = sa_get_property(parent, other); 834 if (oprop == NULL) 835 break; 836 /* 837 * only potential 838 * confusion if other 839 * exists 840 */ 841 ovalue = sa_get_property_attr(oprop, "value"); 842 if (ovalue != NULL) { 843 ret = check_rorw(value, ovalue); 844 sa_free_attr_string(ovalue); 845 } 846 break; 847 } 848 default: 849 break; 850 } 851 } 852 853 if (value != NULL) 854 sa_free_attr_string(value); 855 if (ret == SA_OK && optdefs[optindex].check != NULL) 856 /* do the property specific check */ 857 ret = optdefs[optindex].check(property); 858 859 if (propname != NULL) 860 sa_free_attr_string(propname); 861 return (ret); 862 } 863 864 /* 865 * Protocol management functions 866 * 867 * properties defined in the default files are defined in 868 * proto_option_defs for parsing and validation. 869 */ 870 871 struct smb_proto_option_defs { 872 int smb_index; 873 int32_t minval; 874 int32_t maxval; /* In case of length of string this should be max */ 875 int (*validator)(int, char *); 876 int32_t refresh; 877 } smb_proto_options[] = { 878 { SMB_CI_SYS_CMNT, 0, MAX_VALUE_BUFLEN, 879 string_length_check_validator, SMB_REFRESH_REFRESH }, 880 { SMB_CI_MAX_WORKERS, SMB_PI_MAX_WORKERS_MIN, SMB_PI_MAX_WORKERS_MAX, 881 range_check_validator, SMB_REFRESH_REFRESH }, 882 { SMB_CI_NETBIOS_ENABLE, 0, 0, true_false_validator, 883 SMB_REFRESH_REFRESH }, 884 { SMB_CI_NBSCOPE, 0, MAX_VALUE_BUFLEN, 885 string_length_check_validator, 0 }, 886 { SMB_CI_LM_LEVEL, 2, 5, range_check_validator, 0 }, 887 { SMB_CI_KEEPALIVE, 20, 5400, range_check_validator_zero_ok, 888 SMB_REFRESH_REFRESH }, 889 { SMB_CI_WINS_SRV1, 0, MAX_VALUE_BUFLEN, 890 ipv4_validator, SMB_REFRESH_REFRESH }, 891 { SMB_CI_WINS_SRV2, 0, MAX_VALUE_BUFLEN, 892 ipv4_validator, SMB_REFRESH_REFRESH }, 893 { SMB_CI_WINS_EXCL, 0, MAX_VALUE_BUFLEN, 894 interface_validator, SMB_REFRESH_REFRESH }, 895 { SMB_CI_SIGNING_ENABLE, 0, 0, true_false_validator, 896 SMB_REFRESH_REFRESH }, 897 { SMB_CI_SIGNING_REQD, 0, 0, true_false_validator, 898 SMB_REFRESH_REFRESH }, 899 { SMB_CI_RESTRICT_ANON, 0, 0, true_false_validator, 900 SMB_REFRESH_REFRESH }, 901 { SMB_CI_DOMAIN_SRV, 0, MAX_VALUE_BUFLEN, 902 hostname_validator, SMB_REFRESH_REFRESH }, 903 { SMB_CI_ADS_SITE, 0, MAX_VALUE_BUFLEN, 904 string_length_check_validator, SMB_REFRESH_REFRESH }, 905 { SMB_CI_DYNDNS_ENABLE, 0, 0, true_false_validator, 0 }, 906 { SMB_CI_AUTOHOME_MAP, 0, MAX_VALUE_BUFLEN, path_validator, 0 }, 907 { SMB_CI_IPV6_ENABLE, 0, 0, true_false_validator, 908 SMB_REFRESH_REFRESH }, 909 { SMB_CI_PRINT_ENABLE, 0, 0, print_enable_validator, 910 SMB_REFRESH_REFRESH }, 911 { SMB_CI_TRAVERSE_MOUNTS, 0, 0, true_false_validator, 912 SMB_REFRESH_REFRESH }, 913 { SMB_CI_MAP, 0, MAX_VALUE_BUFLEN, cmd_validator, SMB_REFRESH_REFRESH }, 914 { SMB_CI_UNMAP, 0, MAX_VALUE_BUFLEN, cmd_validator, 915 SMB_REFRESH_REFRESH }, 916 { SMB_CI_DISPOSITION, 0, MAX_VALUE_BUFLEN, 917 disposition_validator, SMB_REFRESH_REFRESH }, 918 { SMB_CI_MAX_PROTOCOL, 0, MAX_VALUE_BUFLEN, max_protocol_validator, 919 SMB_REFRESH_REFRESH }, 920 }; 921 922 #define SMB_OPT_NUM \ 923 (sizeof (smb_proto_options) / sizeof (smb_proto_options[0])) 924 925 /* 926 * Check the range of value as int range. 927 */ 928 static int 929 range_check_validator(int index, char *value) 930 { 931 int ret = SA_OK; 932 933 if (!is_a_number(value)) { 934 ret = SA_BAD_VALUE; 935 } else { 936 int val; 937 val = strtoul(value, NULL, 0); 938 if (val < smb_proto_options[index].minval || 939 val > smb_proto_options[index].maxval) 940 ret = SA_BAD_VALUE; 941 } 942 return (ret); 943 } 944 945 /* 946 * Check the range of value as int range. 947 */ 948 static int 949 range_check_validator_zero_ok(int index, char *value) 950 { 951 int ret = SA_OK; 952 953 if (!is_a_number(value)) { 954 ret = SA_BAD_VALUE; 955 } else { 956 int val; 957 val = strtoul(value, NULL, 0); 958 if (val == 0) 959 ret = SA_OK; 960 else { 961 if (val < smb_proto_options[index].minval || 962 val > smb_proto_options[index].maxval) 963 ret = SA_BAD_VALUE; 964 } 965 } 966 return (ret); 967 } 968 969 /* 970 * Check the length of the string 971 */ 972 static int 973 string_length_check_validator(int index, char *value) 974 { 975 int ret = SA_OK; 976 977 if (value == NULL) 978 return (SA_BAD_VALUE); 979 if (strlen(value) > smb_proto_options[index].maxval) 980 ret = SA_BAD_VALUE; 981 return (ret); 982 } 983 984 /* 985 * Check yes/no 986 */ 987 /*ARGSUSED*/ 988 static int 989 true_false_validator(int index, char *value) 990 { 991 if (value == NULL) 992 return (SA_BAD_VALUE); 993 if ((strcasecmp(value, "true") == 0) || 994 (strcasecmp(value, "false") == 0)) 995 return (SA_OK); 996 return (SA_BAD_VALUE); 997 } 998 999 /* 1000 * If printing support is compiled in, this is the same as: 1001 * true_false_validator. Otherwise, only allow false. 1002 */ 1003 /*ARGSUSED*/ 1004 static int 1005 print_enable_validator(int index, char *value) 1006 { 1007 if (value == NULL) 1008 return (SA_BAD_VALUE); 1009 1010 #ifdef HAVE_CUPS 1011 if (strcasecmp(value, "true") == 0) 1012 return (SA_OK); 1013 #endif 1014 if (strcasecmp(value, "false") == 0) 1015 return (SA_OK); 1016 1017 return (SA_BAD_VALUE); 1018 } 1019 1020 /* 1021 * Check IP v4 address. 1022 */ 1023 /*ARGSUSED*/ 1024 static int 1025 ipv4_validator(int index, char *value) 1026 { 1027 char sbytes[16]; 1028 1029 if (value == NULL) 1030 return (SA_OK); 1031 1032 if (strlen(value) == 0) 1033 return (SA_OK); 1034 1035 if (inet_pton(AF_INET, value, (void *)sbytes) != 1) 1036 return (SA_BAD_VALUE); 1037 1038 return (SA_OK); 1039 } 1040 1041 /* 1042 * Check that the specified name is an IP address (v4 or v6) or a hostname. 1043 * Per RFC 1035 and 1123, names may contain alphanumeric characters, hyphens 1044 * and dots. The first and last character of a label must be alphanumeric. 1045 * Interior characters may be alphanumeric or hypens. 1046 * 1047 * Domain names should not contain underscores but we allow them because 1048 * Windows names are often in non-compliance with this rule. 1049 */ 1050 /*ARGSUSED*/ 1051 static int 1052 hostname_validator(int index, char *value) 1053 { 1054 char sbytes[INET6_ADDRSTRLEN]; 1055 boolean_t new_label = B_TRUE; 1056 char *p; 1057 char label_terminator; 1058 int len; 1059 1060 if (value == NULL) 1061 return (SA_OK); 1062 1063 if ((len = strlen(value)) == 0) 1064 return (SA_OK); 1065 1066 if (inet_pton(AF_INET, value, (void *)sbytes) == 1) 1067 return (SA_OK); 1068 1069 if (inet_pton(AF_INET6, value, (void *)sbytes) == 1) 1070 return (SA_OK); 1071 1072 if (len >= MAXHOSTNAMELEN) 1073 return (SA_BAD_VALUE); 1074 1075 if (strspn(value, "0123456789.") == len) 1076 return (SA_BAD_VALUE); 1077 1078 label_terminator = *value; 1079 1080 for (p = value; *p != '\0'; ++p) { 1081 if (new_label) { 1082 if (!isalnum(*p)) 1083 return (SA_BAD_VALUE); 1084 new_label = B_FALSE; 1085 label_terminator = *p; 1086 continue; 1087 } 1088 1089 if (*p == '.') { 1090 if (!isalnum(label_terminator)) 1091 return (SA_BAD_VALUE); 1092 new_label = B_TRUE; 1093 label_terminator = *p; 1094 continue; 1095 } 1096 1097 label_terminator = *p; 1098 1099 if (isalnum(*p) || *p == '-' || *p == '_') 1100 continue; 1101 1102 return (SA_BAD_VALUE); 1103 } 1104 1105 if (!isalnum(label_terminator)) 1106 return (SA_BAD_VALUE); 1107 1108 return (SA_OK); 1109 } 1110 1111 /* 1112 * Call back function for dlpi_walk. 1113 * Returns TRUE if interface name exists on the host. 1114 */ 1115 static boolean_t 1116 smb_get_interface(const char *ifname, void *arg) 1117 { 1118 smb_hostifs_walker_t *iterp = arg; 1119 1120 iterp->hiw_matchfound = (strcmp(ifname, iterp->hiw_ifname) == 0); 1121 1122 return (iterp->hiw_matchfound); 1123 } 1124 1125 /* 1126 * Checks to see if the input interface exists on the host. 1127 * Returns B_TRUE if the match is found, B_FALSE otherwise. 1128 */ 1129 static boolean_t 1130 smb_validate_interface(const char *ifname) 1131 { 1132 smb_hostifs_walker_t iter; 1133 1134 if ((ifname == NULL) || (*ifname == '\0')) 1135 return (B_FALSE); 1136 1137 iter.hiw_ifname = ifname; 1138 iter.hiw_matchfound = B_FALSE; 1139 dlpi_walk(smb_get_interface, &iter, 0); 1140 1141 return (iter.hiw_matchfound); 1142 } 1143 1144 /* 1145 * Check valid interfaces. Interface names value can be NULL or empty. 1146 * Returns SA_BAD_VALUE if interface cannot be found on the host. 1147 */ 1148 /*ARGSUSED*/ 1149 static int 1150 interface_validator(int index, char *value) 1151 { 1152 char buf[16]; 1153 int ret = SA_OK; 1154 char *ifname, *tmp, *p; 1155 1156 if (value == NULL || *value == '\0') 1157 return (ret); 1158 1159 if (strlen(value) > MAX_VALUE_BUFLEN) 1160 return (SA_BAD_VALUE); 1161 1162 if ((p = strdup(value)) == NULL) 1163 return (SA_NO_MEMORY); 1164 1165 tmp = p; 1166 while ((ifname = strsep(&tmp, ",")) != NULL) { 1167 if (*ifname == '\0') { 1168 ret = SA_BAD_VALUE; 1169 break; 1170 } 1171 1172 if (!smb_validate_interface(ifname)) { 1173 if (inet_pton(AF_INET, ifname, (void *)buf) == 0) { 1174 ret = SA_BAD_VALUE; 1175 break; 1176 } 1177 } 1178 } 1179 1180 free(p); 1181 return (ret); 1182 } 1183 1184 /* 1185 * Check path 1186 */ 1187 /*ARGSUSED*/ 1188 static int 1189 path_validator(int index, char *path) 1190 { 1191 struct stat buffer; 1192 int fd, status; 1193 1194 if (path == NULL) 1195 return (SA_BAD_VALUE); 1196 1197 fd = open(path, O_RDONLY); 1198 if (fd < 0) 1199 return (SA_BAD_VALUE); 1200 1201 status = fstat(fd, &buffer); 1202 (void) close(fd); 1203 1204 if (status < 0) 1205 return (SA_BAD_VALUE); 1206 1207 if (buffer.st_mode & S_IFDIR) 1208 return (SA_OK); 1209 return (SA_BAD_VALUE); 1210 } 1211 1212 /* 1213 * the protoset holds the defined options so we don't have to read 1214 * them multiple times 1215 */ 1216 static sa_protocol_properties_t protoset; 1217 1218 static int 1219 findprotoopt(char *name) 1220 { 1221 int i; 1222 char *sc_name; 1223 1224 for (i = 0; i < SMB_OPT_NUM; i++) { 1225 sc_name = smb_config_getname(smb_proto_options[i].smb_index); 1226 if (strcasecmp(sc_name, name) == 0) 1227 return (i); 1228 } 1229 1230 return (-1); 1231 } 1232 1233 /* 1234 * smb_load_proto_properties() 1235 * 1236 * read the smb config values from SMF. 1237 */ 1238 1239 static int 1240 smb_load_proto_properties() 1241 { 1242 sa_property_t prop; 1243 char value[MAX_VALUE_BUFLEN]; 1244 char *name; 1245 int index; 1246 int ret = SA_OK; 1247 int rc; 1248 1249 protoset = sa_create_protocol_properties(SMB_PROTOCOL_NAME); 1250 if (protoset == NULL) 1251 return (SA_NO_MEMORY); 1252 1253 for (index = 0; index < SMB_OPT_NUM && ret == SA_OK; index++) { 1254 rc = smb_config_get(smb_proto_options[index].smb_index, 1255 value, sizeof (value)); 1256 if (rc != SMBD_SMF_OK) 1257 continue; 1258 name = smb_config_getname(smb_proto_options[index].smb_index); 1259 prop = sa_create_property(name, value); 1260 if (prop != NULL) 1261 ret = sa_add_protocol_property(protoset, prop); 1262 else 1263 ret = SA_NO_MEMORY; 1264 } 1265 return (ret); 1266 } 1267 1268 /* 1269 * smb_share_init() 1270 * 1271 * Initialize the smb plugin. 1272 */ 1273 1274 static int 1275 smb_share_init(void) 1276 { 1277 if (sa_plugin_ops.sa_init != smb_share_init) 1278 return (SA_SYSTEM_ERR); 1279 1280 smb_share_door_clnt_init(); 1281 return (smb_load_proto_properties()); 1282 } 1283 1284 /* 1285 * smb_share_fini() 1286 * 1287 */ 1288 static void 1289 smb_share_fini(void) 1290 { 1291 xmlFreeNode(protoset); 1292 protoset = NULL; 1293 1294 smb_share_door_clnt_fini(); 1295 } 1296 1297 /* 1298 * smb_get_proto_set() 1299 * 1300 * Return an optionset with all the protocol specific properties in 1301 * it. 1302 */ 1303 static sa_protocol_properties_t 1304 smb_get_proto_set(void) 1305 { 1306 return (protoset); 1307 } 1308 1309 /* 1310 * smb_enable_dependencies() 1311 * 1312 * SMBD_DEFAULT_INSTANCE_FMRI may have some dependencies that aren't 1313 * enabled. This will attempt to enable all of them. 1314 */ 1315 static void 1316 smb_enable_dependencies(const char *fmri) 1317 { 1318 scf_handle_t *handle; 1319 scf_service_t *service; 1320 scf_instance_t *inst = NULL; 1321 scf_iter_t *iter; 1322 scf_property_t *prop; 1323 scf_value_t *value; 1324 scf_propertygroup_t *pg; 1325 scf_scope_t *scope; 1326 char type[SCFTYPE_LEN]; 1327 char *dependency; 1328 char *servname; 1329 int maxlen; 1330 1331 /* 1332 * Get all required handles and storage. 1333 */ 1334 handle = scf_handle_create(SCF_VERSION); 1335 if (handle == NULL) 1336 return; 1337 1338 if (scf_handle_bind(handle) != 0) { 1339 scf_handle_destroy(handle); 1340 return; 1341 } 1342 1343 maxlen = scf_limit(SCF_LIMIT_MAX_VALUE_LENGTH); 1344 if (maxlen == (ssize_t)-1) 1345 maxlen = MAXPATHLEN; 1346 1347 dependency = malloc(maxlen); 1348 1349 service = scf_service_create(handle); 1350 1351 iter = scf_iter_create(handle); 1352 1353 pg = scf_pg_create(handle); 1354 1355 prop = scf_property_create(handle); 1356 1357 value = scf_value_create(handle); 1358 1359 scope = scf_scope_create(handle); 1360 1361 if (service == NULL || iter == NULL || pg == NULL || prop == NULL || 1362 value == NULL || scope == NULL || dependency == NULL) 1363 goto done; 1364 1365 /* 1366 * We passed in the FMRI for the default instance but for 1367 * some things we need the simple form so construct it. Since 1368 * we reuse the storage that dependency points to, we need to 1369 * use the servname early. 1370 */ 1371 (void) snprintf(dependency, maxlen, "%s", fmri + sizeof ("svc:")); 1372 servname = strrchr(dependency, ':'); 1373 if (servname == NULL) 1374 goto done; 1375 *servname = '\0'; 1376 servname = dependency; 1377 1378 /* 1379 * Setup to iterate over the service property groups, only 1380 * looking at those that are "dependency" types. The "entity" 1381 * property will have the FMRI of the service we are dependent 1382 * on. 1383 */ 1384 if (scf_handle_get_scope(handle, SCF_SCOPE_LOCAL, scope) != 0) 1385 goto done; 1386 1387 if (scf_scope_get_service(scope, servname, service) != 0) 1388 goto done; 1389 1390 if (scf_iter_service_pgs(iter, service) != 0) 1391 goto done; 1392 1393 while (scf_iter_next_pg(iter, pg) > 0) { 1394 char *services[2]; 1395 /* 1396 * Have a property group for the service. See if it is 1397 * a dependency pg and only do operations on those. 1398 */ 1399 if (scf_pg_get_type(pg, type, SCFTYPE_LEN) <= 0) 1400 continue; 1401 1402 if (strncmp(type, SCF_GROUP_DEPENDENCY, SCFTYPE_LEN) != 0) 1403 continue; 1404 /* 1405 * Have a dependency. Attempt to enable it. 1406 */ 1407 if (scf_pg_get_property(pg, SCF_PROPERTY_ENTITIES, prop) != 0) 1408 continue; 1409 1410 if (scf_property_get_value(prop, value) != 0) 1411 continue; 1412 1413 services[1] = NULL; 1414 1415 if (scf_value_get_as_string(value, dependency, maxlen) > 0) { 1416 services[0] = dependency; 1417 _check_services(services); 1418 } 1419 } 1420 1421 done: 1422 if (dependency != NULL) 1423 free(dependency); 1424 if (value != NULL) 1425 scf_value_destroy(value); 1426 if (prop != NULL) 1427 scf_property_destroy(prop); 1428 if (pg != NULL) 1429 scf_pg_destroy(pg); 1430 if (iter != NULL) 1431 scf_iter_destroy(iter); 1432 if (scope != NULL) 1433 scf_scope_destroy(scope); 1434 if (inst != NULL) 1435 scf_instance_destroy(inst); 1436 if (service != NULL) 1437 scf_service_destroy(service); 1438 1439 (void) scf_handle_unbind(handle); 1440 scf_handle_destroy(handle); 1441 } 1442 1443 /* 1444 * How long to wait for service to come online 1445 */ 1446 #define WAIT_FOR_SERVICE 15 1447 1448 /* 1449 * smb_enable_service() 1450 * 1451 */ 1452 static int 1453 smb_enable_service(void) 1454 { 1455 int i; 1456 int ret = SA_OK; 1457 char *service[] = { SMBD_DEFAULT_INSTANCE_FMRI, NULL }; 1458 1459 if (!smb_isonline()) { 1460 /* 1461 * Attempt to start the idmap, and other dependent 1462 * services, first. If it fails, the SMB service will 1463 * ultimately fail so we use that as the error. If we 1464 * don't try to enable idmap, smb won't start the 1465 * first time unless the admin has done it 1466 * manually. The service could be administratively 1467 * disabled so we won't always get started. 1468 */ 1469 smb_enable_dependencies(SMBD_DEFAULT_INSTANCE_FMRI); 1470 _check_services(service); 1471 1472 /* Wait for service to come online */ 1473 for (i = 0; i < WAIT_FOR_SERVICE; i++) { 1474 if (smb_isonline()) { 1475 ret = SA_OK; 1476 break; 1477 } else if (smb_ismaint()) { 1478 /* maintenance requires help */ 1479 ret = SA_SYSTEM_ERR; 1480 break; 1481 } else { 1482 /* try another time */ 1483 ret = SA_BUSY; 1484 (void) sleep(1); 1485 } 1486 } 1487 } 1488 return (ret); 1489 } 1490 1491 /* 1492 * smb_validate_proto_prop(index, name, value) 1493 * 1494 * Verify that the property specified by name can take the new 1495 * value. This is a sanity check to prevent bad values getting into 1496 * the default files. 1497 */ 1498 static int 1499 smb_validate_proto_prop(int index, char *name, char *value) 1500 { 1501 if ((name == NULL) || (index < 0)) 1502 return (SA_BAD_VALUE); 1503 1504 if (smb_proto_options[index].validator == NULL) 1505 return (SA_OK); 1506 1507 if (smb_proto_options[index].validator(index, value) == SA_OK) 1508 return (SA_OK); 1509 return (SA_BAD_VALUE); 1510 } 1511 1512 /* 1513 * smb_set_proto_prop(prop) 1514 * 1515 * check that prop is valid. 1516 */ 1517 /*ARGSUSED*/ 1518 static int 1519 smb_set_proto_prop(sa_property_t prop) 1520 { 1521 int ret = SA_OK; 1522 char *name; 1523 char *value; 1524 int index = -1; 1525 struct smb_proto_option_defs *opt; 1526 1527 name = sa_get_property_attr(prop, "type"); 1528 value = sa_get_property_attr(prop, "value"); 1529 if (name != NULL && value != NULL) { 1530 index = findprotoopt(name); 1531 if (index >= 0) { 1532 /* should test for valid value */ 1533 ret = smb_validate_proto_prop(index, name, value); 1534 if (ret == SA_OK) { 1535 opt = &smb_proto_options[index]; 1536 1537 /* Save to SMF */ 1538 (void) smb_config_set(opt->smb_index, value); 1539 /* 1540 * Specialized refresh mechanisms can 1541 * be flagged in the proto_options and 1542 * processed here. 1543 */ 1544 if (opt->refresh & SMB_REFRESH_REFRESH) 1545 (void) smf_refresh_instance( 1546 SMBD_DEFAULT_INSTANCE_FMRI); 1547 else if (opt->refresh & SMB_REFRESH_RESTART) 1548 (void) smf_restart_instance( 1549 SMBD_DEFAULT_INSTANCE_FMRI); 1550 } 1551 } 1552 } 1553 1554 if (name != NULL) 1555 sa_free_attr_string(name); 1556 if (value != NULL) 1557 sa_free_attr_string(value); 1558 1559 return (ret); 1560 } 1561 1562 /* 1563 * smb_get_status() 1564 * 1565 * What is the current status of the smbd? We use the SMF state here. 1566 * Caller must free the returned value. 1567 */ 1568 1569 static char * 1570 smb_get_status(void) 1571 { 1572 return (smf_get_state(SMBD_DEFAULT_INSTANCE_FMRI)); 1573 } 1574 1575 /* 1576 * This protocol plugin require resource names 1577 */ 1578 static uint64_t 1579 smb_share_features(void) 1580 { 1581 return (SA_FEATURE_RESOURCE | SA_FEATURE_ALLOWSUBDIRS | 1582 SA_FEATURE_ALLOWPARDIRS | SA_FEATURE_SERVER); 1583 } 1584 1585 /* 1586 * This should be used to convert smb_share_t to sa_resource_t 1587 * Should only be needed to build transient shares/resources to be 1588 * supplied to sharemgr to display. 1589 */ 1590 static int 1591 smb_add_transient(sa_handle_t handle, smb_share_t *si) 1592 { 1593 int err; 1594 sa_share_t share; 1595 sa_group_t group; 1596 sa_resource_t resource; 1597 nvlist_t *nvl; 1598 char *opt; 1599 1600 if (si == NULL) 1601 return (SA_INVALID_NAME); 1602 1603 if ((share = sa_find_share(handle, si->shr_path)) == NULL) { 1604 if ((group = smb_get_defaultgrp(handle)) == NULL) 1605 return (SA_NO_SUCH_GROUP); 1606 1607 share = sa_get_share(group, si->shr_path); 1608 if (share == NULL) { 1609 share = sa_add_share(group, si->shr_path, 1610 SA_SHARE_TRANSIENT, &err); 1611 if (share == NULL) 1612 return (SA_NO_SUCH_PATH); 1613 } 1614 } 1615 1616 /* 1617 * Now handle the resource. Make sure that the resource is 1618 * transient and added to the share. 1619 */ 1620 resource = sa_get_share_resource(share, si->shr_name); 1621 if (resource == NULL) { 1622 resource = sa_add_resource(share, 1623 si->shr_name, SA_SHARE_TRANSIENT, &err); 1624 if (resource == NULL) 1625 return (SA_NO_SUCH_RESOURCE); 1626 } 1627 1628 if (si->shr_cmnt[0] != '\0') 1629 (void) sa_set_resource_description(resource, si->shr_cmnt); 1630 1631 if (si->shr_container[0] != '\0') 1632 (void) sa_set_resource_attr(resource, SHOPT_AD_CONTAINER, 1633 si->shr_container); 1634 1635 if (nvlist_alloc(&nvl, NV_UNIQUE_NAME, 0) != 0) 1636 return (SA_NO_MEMORY); 1637 1638 if ((opt = smb_csc_name(si)) != NULL) 1639 err |= nvlist_add_string(nvl, SHOPT_CSC, opt); 1640 1641 opt = (si->shr_flags & SMB_SHRF_ABE) ? "true" : "false"; 1642 err |= nvlist_add_string(nvl, SHOPT_ABE, opt); 1643 1644 if ((si->shr_flags & SMB_SHRF_AUTOHOME) == 0) { 1645 opt = (si->shr_flags & SMB_SHRF_GUEST_OK) ? "true" : "false"; 1646 err |= nvlist_add_string(nvl, SHOPT_GUEST, opt); 1647 } 1648 1649 if (si->shr_access_ro[0] != '\0') 1650 err |= nvlist_add_string(nvl, SHOPT_RO, si->shr_access_ro); 1651 1652 if (si->shr_access_rw[0] != '\0') 1653 err |= nvlist_add_string(nvl, SHOPT_RW, si->shr_access_rw); 1654 1655 if (si->shr_access_none[0] != '\0') 1656 err |= nvlist_add_string(nvl, SHOPT_NONE, si->shr_access_none); 1657 1658 if (err) { 1659 nvlist_free(nvl); 1660 return (SA_CONFIG_ERR); 1661 } 1662 1663 err = smb_update_optionset_props(handle, resource, nvl); 1664 1665 nvlist_free(nvl); 1666 return (err); 1667 } 1668 1669 /* 1670 * Return smb transient shares. 1671 */ 1672 static int 1673 smb_list_transient(sa_handle_t handle) 1674 { 1675 int i, offset; 1676 smb_shrlist_t list; 1677 int res; 1678 1679 if (smb_share_count() <= 0) 1680 return (SA_OK); 1681 1682 offset = 0; 1683 while (smb_share_list(offset, &list) == NERR_Success) { 1684 if (list.sl_cnt == 0) 1685 break; 1686 1687 for (i = 0; i < list.sl_cnt; i++) { 1688 res = smb_add_transient(handle, &(list.sl_shares[i])); 1689 if (res != SA_OK) 1690 return (res); 1691 } 1692 offset += list.sl_cnt; 1693 } 1694 1695 return (SA_OK); 1696 } 1697 1698 /* 1699 * fix_resource_name(share, name, prefix) 1700 * 1701 * Construct a name where the ZFS dataset has the prefix replaced with "name". 1702 */ 1703 static char * 1704 fix_resource_name(sa_share_t share, char *name, char *prefix) 1705 { 1706 char buf[SA_MAX_RESOURCE_NAME + 1]; 1707 char *dataset; 1708 size_t bufsz = SA_MAX_RESOURCE_NAME + 1; 1709 size_t prelen; 1710 1711 if (prefix == NULL) 1712 return (strdup(name)); 1713 1714 dataset = sa_get_share_attr(share, "dataset"); 1715 if (dataset == NULL) 1716 return (strdup(name)); 1717 1718 (void) strlcpy(buf, name, bufsz); 1719 prelen = strlen(prefix); 1720 1721 if (strncmp(dataset, prefix, prelen) == 0) 1722 (void) strlcat(buf, dataset + prelen, bufsz); 1723 1724 sa_free_attr_string(dataset); 1725 sa_fix_resource_name(buf); 1726 return (strdup(buf)); 1727 } 1728 1729 /* 1730 * smb_parse_optstring(group, options) 1731 * 1732 * parse a compact option string into individual options. This allows 1733 * ZFS sharesmb and sharemgr "share" command to work. group can be a 1734 * group, a share or a resource. 1735 */ 1736 static int 1737 smb_parse_optstring(sa_group_t group, char *options) 1738 { 1739 char *dup; 1740 char *base; 1741 char *lasts; 1742 char *token; 1743 sa_optionset_t optionset; 1744 sa_group_t parent = NULL; 1745 sa_resource_t resource = NULL; 1746 int iszfs = 0; 1747 int persist = 0; 1748 int need_optionset = 0; 1749 int ret = SA_OK; 1750 sa_property_t prop; 1751 1752 /* 1753 * In order to not attempt to change ZFS properties unless 1754 * absolutely necessary, we never do it in the legacy parsing 1755 * so we need to keep track of this. 1756 */ 1757 if (sa_is_share(group)) { 1758 char *zfs; 1759 1760 parent = sa_get_parent_group(group); 1761 if (parent != NULL) { 1762 zfs = sa_get_group_attr(parent, "zfs"); 1763 if (zfs != NULL) { 1764 sa_free_attr_string(zfs); 1765 iszfs = 1; 1766 } 1767 } 1768 } else { 1769 iszfs = sa_group_is_zfs(group); 1770 /* 1771 * If a ZFS group, then we need to see if a resource 1772 * name is being set. If so, bail with 1773 * SA_PROP_SHARE_ONLY, so we come back in with a share 1774 * instead of a group. 1775 */ 1776 if (iszfs || 1777 strncmp(options, "name=", sizeof ("name=") - 1) == 0 || 1778 strstr(options, ",name=") != NULL) { 1779 return (SA_PROP_SHARE_ONLY); 1780 } 1781 } 1782 1783 /* do we have an existing optionset? */ 1784 optionset = sa_get_optionset(group, "smb"); 1785 if (optionset == NULL) { 1786 /* didn't find existing optionset so create one */ 1787 optionset = sa_create_optionset(group, "smb"); 1788 if (optionset == NULL) 1789 return (SA_NO_MEMORY); 1790 } else { 1791 /* 1792 * If an optionset already exists, we've come through 1793 * twice so ignore the second time. 1794 */ 1795 return (ret); 1796 } 1797 1798 /* We need a copy of options for the next part. */ 1799 dup = strdup(options); 1800 if (dup == NULL) 1801 return (SA_NO_MEMORY); 1802 1803 /* 1804 * SMB properties are straightforward and are strings, 1805 * integers or booleans. Properties are separated by 1806 * commas. It will be necessary to parse quotes due to some 1807 * strings not having a restricted characters set. 1808 * 1809 * Note that names will create a resource. For now, if there 1810 * is a set of properties "before" the first name="", those 1811 * properties will be placed on the group. 1812 */ 1813 persist = sa_is_persistent(group); 1814 base = dup; 1815 token = dup; 1816 lasts = NULL; 1817 while (token != NULL && ret == SA_OK) { 1818 ret = SA_OK; 1819 token = strtok_r(base, ",", &lasts); 1820 base = NULL; 1821 if (token != NULL) { 1822 char *value; 1823 /* 1824 * All SMB properties have values so there 1825 * MUST be an '=' character. If it doesn't, 1826 * it is a syntax error. 1827 */ 1828 value = strchr(token, '='); 1829 if (value != NULL) { 1830 *value++ = '\0'; 1831 } else { 1832 ret = SA_SYNTAX_ERR; 1833 break; 1834 } 1835 /* 1836 * We may need to handle a "name" property 1837 * that is a ZFS imposed resource name. Each 1838 * name would trigger getting a new "resource" 1839 * to put properties on. For now, assume no 1840 * "name" property for special handling. 1841 */ 1842 1843 if (strcmp(token, SHOPT_NAME) == 0) { 1844 char *prefix; 1845 char *name = NULL; 1846 /* 1847 * We have a name, so now work on the 1848 * resource level. We have a "share" 1849 * in "group" due to the caller having 1850 * added it. If we are called with a 1851 * group, the check for group/share 1852 * at the beginning of this function 1853 * will bail out the parse if there is a 1854 * "name" but no share. 1855 */ 1856 if (!iszfs) { 1857 ret = SA_SYNTAX_ERR; 1858 break; 1859 } 1860 /* 1861 * Make sure the parent group has the 1862 * "prefix" property since we will 1863 * need to use this for constructing 1864 * inherited name= values. 1865 */ 1866 prefix = sa_get_group_attr(parent, "prefix"); 1867 if (prefix == NULL) { 1868 prefix = sa_get_group_attr(parent, 1869 "name"); 1870 if (prefix != NULL) { 1871 (void) sa_set_group_attr(parent, 1872 "prefix", prefix); 1873 } 1874 } 1875 name = fix_resource_name((sa_share_t)group, 1876 value, prefix); 1877 if (name != NULL) { 1878 resource = sa_add_resource( 1879 (sa_share_t)group, name, 1880 SA_SHARE_TRANSIENT, &ret); 1881 sa_free_attr_string(name); 1882 } else { 1883 ret = SA_NO_MEMORY; 1884 } 1885 if (prefix != NULL) 1886 sa_free_attr_string(prefix); 1887 1888 /* A resource level optionset is needed */ 1889 1890 need_optionset = 1; 1891 if (resource == NULL) { 1892 ret = SA_NO_MEMORY; 1893 break; 1894 } 1895 continue; 1896 } 1897 1898 if (iszfs && strcmp(token, SHOPT_DESCRIPTION) == 0) { 1899 if (resource == NULL) 1900 (void) sa_set_share_description( 1901 (sa_share_t)group, value); 1902 else 1903 (void) sa_set_resource_description( 1904 resource, value); 1905 continue; 1906 } 1907 1908 if (need_optionset) { 1909 optionset = sa_create_optionset(resource, 1910 "smb"); 1911 need_optionset = 0; 1912 } 1913 1914 prop = sa_create_property(token, value); 1915 if (prop == NULL) 1916 ret = SA_NO_MEMORY; 1917 else 1918 ret = sa_add_property(optionset, prop); 1919 if (ret != SA_OK) 1920 break; 1921 if (!iszfs) 1922 ret = sa_commit_properties(optionset, !persist); 1923 } 1924 } 1925 free(dup); 1926 return (ret); 1927 } 1928 1929 /* 1930 * smb_sprint_option(rbuff, rbuffsize, incr, prop, sep) 1931 * 1932 * provides a mechanism to format SMB properties into legacy output 1933 * format. If the buffer would overflow, it is reallocated and grown 1934 * as appropriate. Special cases of converting internal form of values 1935 * to those used by "share" are done. this function does one property 1936 * at a time. 1937 */ 1938 1939 static void 1940 smb_sprint_option(char **rbuff, size_t *rbuffsize, size_t incr, 1941 sa_property_t prop, int sep) 1942 { 1943 char *name; 1944 char *value; 1945 int curlen; 1946 char *buff = *rbuff; 1947 size_t buffsize = *rbuffsize; 1948 1949 name = sa_get_property_attr(prop, "type"); 1950 value = sa_get_property_attr(prop, "value"); 1951 if (buff != NULL) 1952 curlen = strlen(buff); 1953 else 1954 curlen = 0; 1955 if (name != NULL) { 1956 int len; 1957 len = strlen(name) + sep; 1958 1959 /* 1960 * A future RFE would be to replace this with more 1961 * generic code and to possibly handle more types. 1962 * 1963 * For now, everything else is treated as a string. If 1964 * we get any properties that aren't exactly 1965 * name/value pairs, we may need to 1966 * interpret/transform. 1967 */ 1968 if (value != NULL) 1969 len += 1 + strlen(value); 1970 1971 while (buffsize <= (curlen + len)) { 1972 /* need more room */ 1973 buffsize += incr; 1974 buff = realloc(buff, buffsize); 1975 *rbuff = buff; 1976 *rbuffsize = buffsize; 1977 if (buff == NULL) { 1978 /* realloc failed so free everything */ 1979 if (*rbuff != NULL) 1980 free(*rbuff); 1981 goto err; 1982 } 1983 } 1984 if (buff == NULL) 1985 goto err; 1986 (void) snprintf(buff + curlen, buffsize - curlen, 1987 "%s%s=%s", sep ? "," : "", 1988 name, value != NULL ? value : "\"\""); 1989 1990 } 1991 err: 1992 if (name != NULL) 1993 sa_free_attr_string(name); 1994 if (value != NULL) 1995 sa_free_attr_string(value); 1996 } 1997 1998 /* 1999 * smb_format_resource_options(resource, hier) 2000 * 2001 * format all the options on the group into a flattened option 2002 * string. If hier is non-zero, walk up the tree to get inherited 2003 * options. 2004 */ 2005 2006 static char * 2007 smb_format_options(sa_group_t group, int hier) 2008 { 2009 sa_optionset_t options = NULL; 2010 sa_property_t prop; 2011 int sep = 0; 2012 char *buff; 2013 size_t buffsize; 2014 2015 2016 buff = malloc(OPT_CHUNK); 2017 if (buff == NULL) 2018 return (NULL); 2019 2020 buff[0] = '\0'; 2021 buffsize = OPT_CHUNK; 2022 2023 /* 2024 * We may have a an optionset relative to this item. format 2025 * these if we find them and then add any security definitions. 2026 */ 2027 2028 options = sa_get_derived_optionset(group, "smb", hier); 2029 2030 /* 2031 * do the default set first but skip any option that is also 2032 * in the protocol specific optionset. 2033 */ 2034 if (options != NULL) { 2035 for (prop = sa_get_property(options, NULL); 2036 prop != NULL; prop = sa_get_next_property(prop)) { 2037 /* 2038 * use this one since we skipped any 2039 * of these that were also in 2040 * optdefault 2041 */ 2042 smb_sprint_option(&buff, &buffsize, OPT_CHUNK, 2043 prop, sep); 2044 if (buff == NULL) { 2045 /* 2046 * buff could become NULL if there 2047 * isn't enough memory for 2048 * smb_sprint_option to realloc() 2049 * as necessary. We can't really 2050 * do anything about it at this 2051 * point so we return NULL. The 2052 * caller should handle the 2053 * failure. 2054 */ 2055 if (options != NULL) 2056 sa_free_derived_optionset( 2057 options); 2058 return (buff); 2059 } 2060 sep = 1; 2061 } 2062 } 2063 2064 if (options != NULL) 2065 sa_free_derived_optionset(options); 2066 return (buff); 2067 } 2068 2069 /* 2070 * smb_rename_resource(resource, newname) 2071 * 2072 * Change the current exported name of the resource to newname. 2073 */ 2074 /*ARGSUSED*/ 2075 int 2076 smb_rename_resource(sa_handle_t handle, sa_resource_t resource, char *newname) 2077 { 2078 int ret = SA_OK; 2079 int err; 2080 char *oldname; 2081 2082 if (!smb_isonline()) 2083 return (SA_OK); 2084 2085 oldname = sa_get_resource_attr(resource, "name"); 2086 if (oldname == NULL) 2087 return (SA_NO_SUCH_RESOURCE); 2088 2089 err = smb_share_rename(oldname, newname); 2090 2091 sa_free_attr_string(oldname); 2092 2093 /* improve error values somewhat */ 2094 switch (err) { 2095 case NERR_Success: 2096 break; 2097 case NERR_InternalError: 2098 ret = SA_SYSTEM_ERR; 2099 break; 2100 case NERR_DuplicateShare: 2101 ret = SA_DUPLICATE_NAME; 2102 break; 2103 default: 2104 ret = SA_CONFIG_ERR; 2105 break; 2106 } 2107 2108 return (ret); 2109 } 2110 2111 static int 2112 smb_build_shareinfo(sa_share_t share, sa_resource_t resource, smb_share_t *si) 2113 { 2114 sa_optionset_t opts; 2115 char *path; 2116 char *rname; 2117 char *val = NULL; 2118 char csc_value[SMB_CSC_BUFSZ]; 2119 2120 bzero(si, sizeof (smb_share_t)); 2121 2122 if ((path = sa_get_share_attr(share, "path")) == NULL) 2123 return (SA_NO_SUCH_PATH); 2124 2125 if ((rname = sa_get_resource_attr(resource, "name")) == NULL) { 2126 sa_free_attr_string(path); 2127 return (SA_NO_SUCH_RESOURCE); 2128 } 2129 2130 (void) strlcpy(si->shr_path, path, sizeof (si->shr_path)); 2131 (void) strlcpy(si->shr_name, rname, sizeof (si->shr_name)); 2132 sa_free_attr_string(path); 2133 sa_free_attr_string(rname); 2134 2135 val = sa_get_resource_description(resource); 2136 if (val == NULL) 2137 val = sa_get_share_description(share); 2138 2139 if (val != NULL) { 2140 (void) strlcpy(si->shr_cmnt, val, sizeof (si->shr_cmnt)); 2141 sa_free_share_description(val); 2142 } 2143 2144 si->shr_flags = (sa_is_persistent(share)) 2145 ? SMB_SHRF_PERM : SMB_SHRF_TRANS; 2146 2147 opts = sa_get_derived_optionset(resource, SMB_PROTOCOL_NAME, 1); 2148 if (opts == NULL) 2149 return (SA_OK); 2150 2151 if (smb_saprop_getbool(opts, SHOPT_CATIA, B_FALSE)) 2152 si->shr_flags |= SMB_SHRF_CATIA; 2153 2154 if (smb_saprop_getbool(opts, SHOPT_ABE, B_FALSE)) 2155 si->shr_flags |= SMB_SHRF_ABE; 2156 2157 if (smb_saprop_getbool(opts, SHOPT_GUEST, B_FALSE)) 2158 si->shr_flags |= SMB_SHRF_GUEST_OK; 2159 2160 if (smb_saprop_getbool(opts, SHOPT_DFSROOT, B_FALSE)) 2161 si->shr_flags |= SMB_SHRF_DFSROOT; 2162 2163 /* Quotas are enabled by default. */ 2164 si->shr_flags |= SMB_SHRF_QUOTAS; 2165 if (!smb_saprop_getbool(opts, SHOPT_QUOTAS, B_TRUE)) 2166 si->shr_flags &= ~SMB_SHRF_QUOTAS; 2167 2168 (void) smb_saprop_getstr(opts, SHOPT_AD_CONTAINER, si->shr_container, 2169 sizeof (si->shr_container)); 2170 2171 if (smb_saprop_getstr(opts, SHOPT_CSC, csc_value, sizeof (csc_value))) 2172 smb_csc_option(csc_value, si); 2173 2174 if (smb_saprop_getstr(opts, SHOPT_RO, si->shr_access_ro, 2175 sizeof (si->shr_access_ro))) 2176 si->shr_flags |= SMB_SHRF_ACC_RO; 2177 2178 if (smb_saprop_getstr(opts, SHOPT_RW, si->shr_access_rw, 2179 sizeof (si->shr_access_rw))) 2180 si->shr_flags |= SMB_SHRF_ACC_RW; 2181 2182 if (smb_saprop_getstr(opts, SHOPT_NONE, si->shr_access_none, 2183 sizeof (si->shr_access_none))) 2184 si->shr_flags |= SMB_SHRF_ACC_NONE; 2185 2186 sa_free_derived_optionset(opts); 2187 return (SA_OK); 2188 } 2189 2190 /* 2191 * Map a client-side caching (CSC) option to the appropriate share 2192 * flag. Only one option is allowed; an error will be logged if 2193 * multiple options have been specified. We don't need to do anything 2194 * about multiple values here because the SRVSVC will not recognize 2195 * a value containing multiple flags and will return the default value. 2196 * 2197 * If the option value is not recognized, it will be ignored: invalid 2198 * values will typically be caught and rejected by sharemgr. 2199 */ 2200 static void 2201 smb_csc_option(const char *value, smb_share_t *si) 2202 { 2203 char buf[SMB_CSC_BUFSZ]; 2204 int i; 2205 2206 for (i = 0; i < (sizeof (cscopt) / sizeof (cscopt[0])); ++i) { 2207 if (strcasecmp(value, cscopt[i].value) == 0) { 2208 si->shr_flags |= cscopt[i].flag; 2209 break; 2210 } 2211 } 2212 2213 switch (si->shr_flags & SMB_SHRF_CSC_MASK) { 2214 case 0: 2215 case SMB_SHRF_CSC_DISABLED: 2216 case SMB_SHRF_CSC_MANUAL: 2217 case SMB_SHRF_CSC_AUTO: 2218 case SMB_SHRF_CSC_VDO: 2219 break; 2220 2221 default: 2222 buf[0] = '\0'; 2223 2224 for (i = 0; i < (sizeof (cscopt) / sizeof (cscopt[0])); ++i) { 2225 if (si->shr_flags & cscopt[i].flag) { 2226 (void) strlcat(buf, " ", SMB_CSC_BUFSZ); 2227 (void) strlcat(buf, cscopt[i].value, 2228 SMB_CSC_BUFSZ); 2229 } 2230 } 2231 2232 syslog(LOG_ERR, "csc option conflict:%s", buf); 2233 break; 2234 } 2235 } 2236 2237 /* 2238 * Return the option name for the first CSC flag (there should be only 2239 * one) encountered in the share flags. 2240 */ 2241 static char * 2242 smb_csc_name(const smb_share_t *si) 2243 { 2244 int i; 2245 2246 for (i = 0; i < (sizeof (cscopt) / sizeof (cscopt[0])); ++i) { 2247 if (si->shr_flags & cscopt[i].flag) 2248 return (cscopt[i].value); 2249 } 2250 2251 return (NULL); 2252 } 2253 2254 /* 2255 * smb_get_defaultgrp 2256 * 2257 * If default group for CIFS shares (i.e. "smb") exists 2258 * then it will return the group handle, otherwise it will 2259 * create the group and return the handle. 2260 * 2261 * All the shares created by CIFS clients (this is only possible 2262 * via RPC) will be added to "smb" groups. 2263 */ 2264 static sa_group_t 2265 smb_get_defaultgrp(sa_handle_t handle) 2266 { 2267 sa_group_t group = NULL; 2268 int err; 2269 2270 group = sa_get_group(handle, SMB_DEFAULT_SHARE_GROUP); 2271 if (group != NULL) 2272 return (group); 2273 2274 group = sa_create_group(handle, SMB_DEFAULT_SHARE_GROUP, &err); 2275 if (group == NULL) 2276 return (NULL); 2277 2278 if (sa_create_optionset(group, SMB_DEFAULT_SHARE_GROUP) == NULL) { 2279 (void) sa_remove_group(group); 2280 group = NULL; 2281 } 2282 2283 return (group); 2284 } 2285 2286 /* 2287 * Checks to see if the command args are the supported substitution specifier. 2288 * i.e. <cmd> %U %S 2289 */ 2290 static int 2291 cmd_validator(int index, char *value) 2292 { 2293 char cmd[MAXPATHLEN]; 2294 char *ptr, *v; 2295 boolean_t skip_cmdname; 2296 2297 if (string_length_check_validator(index, value) != SA_OK) 2298 return (SA_BAD_VALUE); 2299 2300 if (*value == '\0') 2301 return (SA_OK); 2302 2303 (void) strlcpy(cmd, value, sizeof (cmd)); 2304 2305 ptr = cmd; 2306 skip_cmdname = B_TRUE; 2307 do { 2308 if ((v = strsep(&ptr, " ")) == NULL) 2309 break; 2310 2311 if (*v != '\0') { 2312 2313 if (skip_cmdname) { 2314 skip_cmdname = B_FALSE; 2315 continue; 2316 } 2317 2318 if ((strlen(v) != 2) || *v != '%') 2319 return (SA_BAD_VALUE); 2320 2321 if (strpbrk(v, SMB_VALID_SUB_CHRS) == NULL) 2322 return (SA_BAD_VALUE); 2323 } 2324 2325 } while (v != NULL); 2326 2327 /* 2328 * If skip_cmdname is still true then the string contains 2329 * only spaces. Don't allow such a string. 2330 */ 2331 if (skip_cmdname) 2332 return (SA_BAD_VALUE); 2333 2334 return (SA_OK); 2335 } 2336 2337 /*ARGSUSED*/ 2338 static int 2339 disposition_validator(int index, char *value) 2340 { 2341 if (value == NULL) 2342 return (SA_BAD_VALUE); 2343 2344 if (*value == '\0') 2345 return (SA_OK); 2346 2347 if ((strcasecmp(value, SMB_EXEC_DISP_CONTINUE) == 0) || 2348 (strcasecmp(value, SMB_EXEC_DISP_TERMINATE) == 0)) 2349 return (SA_OK); 2350 2351 return (SA_BAD_VALUE); 2352 } 2353 2354 /*ARGSUSED*/ 2355 static int 2356 max_protocol_validator(int index, char *value) 2357 { 2358 if (value == NULL) 2359 return (SA_BAD_VALUE); 2360 2361 if (*value == '\0') 2362 return (SA_OK); 2363 2364 if (smb_config_check_protocol(value) == 0) 2365 return (SA_OK); 2366 2367 return (SA_BAD_VALUE); 2368 2369 } 2370 2371 /* 2372 * Updates the optionset properties of the share resource. 2373 * The properties are given as a list of name-value pair. 2374 * The name argument should be the optionset property name and the value 2375 * should be a valid value for the specified property. 2376 * 2377 * When calling this function for permanent shares, the caller must also 2378 * call sa_commit_properties() to commit the changes to SMF. 2379 */ 2380 static int 2381 smb_update_optionset_props(sa_handle_t handle, sa_resource_t resource, 2382 nvlist_t *nvl) 2383 { 2384 sa_property_t prop; 2385 sa_optionset_t opts; 2386 int err = SA_OK; 2387 nvpair_t *cur; 2388 char *name, *val; 2389 2390 if ((opts = sa_get_optionset(resource, SMB_PROTOCOL_NAME)) == NULL) { 2391 opts = sa_create_optionset(resource, SMB_PROTOCOL_NAME); 2392 if (opts == NULL) 2393 return (SA_CONFIG_ERR); 2394 } 2395 2396 cur = nvlist_next_nvpair(nvl, NULL); 2397 while (cur != NULL) { 2398 name = nvpair_name(cur); 2399 err = nvpair_value_string(cur, &val); 2400 if ((err != 0) || (name == NULL) || (val == NULL)) { 2401 err = SA_CONFIG_ERR; 2402 break; 2403 } 2404 2405 prop = NULL; 2406 if ((prop = sa_get_property(opts, name)) == NULL) { 2407 prop = sa_create_property(name, val); 2408 if (prop != NULL) { 2409 err = sa_valid_property(handle, opts, 2410 SMB_PROTOCOL_NAME, prop); 2411 if (err != SA_OK) { 2412 (void) sa_remove_property(prop); 2413 break; 2414 } 2415 } 2416 err = sa_add_property(opts, prop); 2417 if (err != SA_OK) 2418 break; 2419 } else { 2420 err = sa_update_property(prop, val); 2421 if (err != SA_OK) 2422 break; 2423 } 2424 2425 cur = nvlist_next_nvpair(nvl, cur); 2426 } 2427 2428 return (err); 2429 } 2430 2431 static boolean_t 2432 smb_saprop_getbool(sa_optionset_t opts, char *propname, boolean_t def) 2433 { 2434 sa_property_t prop; 2435 char *val; 2436 boolean_t ret = def; 2437 2438 prop = sa_get_property(opts, propname); 2439 if ((val = sa_get_property_attr(prop, "value")) != NULL) { 2440 if (def) { 2441 /* Default is true, ret false if... */ 2442 if ((strcasecmp(val, "false") == 0) || 2443 (strcmp(val, "0") == 0)) 2444 ret = B_FALSE; 2445 } else { 2446 /* Default is false, ret true if... */ 2447 if ((strcasecmp(val, "true") == 0) || 2448 (strcmp(val, "1") == 0)) 2449 ret = B_TRUE; 2450 } 2451 free(val); 2452 } 2453 2454 return (ret); 2455 } 2456 2457 static boolean_t 2458 smb_saprop_getstr(sa_optionset_t opts, char *propname, char *buf, size_t bufsz) 2459 { 2460 sa_property_t prop; 2461 char *val; 2462 2463 prop = sa_get_property(opts, propname); 2464 if ((val = sa_get_property_attr(prop, "value")) != NULL) { 2465 (void) strlcpy(buf, val, bufsz); 2466 free(val); 2467 return (B_TRUE); 2468 } 2469 2470 return (B_FALSE); 2471 } 2472