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 2017 Nexenta Systems, Inc. All rights reserved. 25 * Copyright 2022 RackTop Systems. 26 */ 27 28 /* 29 * SMB specific functions 30 */ 31 #include <stdio.h> 32 #include <string.h> 33 #include <ctype.h> 34 #include <stdlib.h> 35 #include <unistd.h> 36 #include <zone.h> 37 #include <errno.h> 38 #include <locale.h> 39 #include <fcntl.h> 40 #include <sys/types.h> 41 #include <sys/stat.h> 42 #include <syslog.h> 43 #include "libshare.h" 44 #include "libshare_impl.h" 45 #include <pwd.h> 46 #include <limits.h> 47 #include <libscf.h> 48 #include <libscf_priv.h> 49 #include <strings.h> 50 #include "libshare_smb.h" 51 #include <rpcsvc/daemon_utils.h> 52 #include <smbsrv/smb_share.h> 53 #include <smbsrv/smbinfo.h> 54 #include <smbsrv/libsmb.h> 55 #include <libdlpi.h> 56 57 #define SMB_CSC_BUFSZ 64 58 59 #define SMB_VALID_SUB_CHRS "UDhMLmIiSPu" /* substitution characters */ 60 61 /* internal functions */ 62 static int smb_share_init(void); 63 static void smb_share_fini(void); 64 static int smb_enable_share(sa_share_t); 65 static int smb_share_changed(sa_share_t); 66 static int smb_resource_changed(sa_resource_t); 67 static int smb_rename_resource(sa_handle_t, sa_resource_t, char *); 68 static int smb_disable_share(sa_share_t share, char *); 69 static int smb_validate_property(sa_handle_t, sa_property_t, sa_optionset_t); 70 static int smb_set_proto_prop(sa_property_t); 71 static sa_protocol_properties_t smb_get_proto_set(void); 72 static char *smb_get_status(void); 73 static int smb_parse_optstring(sa_group_t, char *); 74 static char *smb_format_options(sa_group_t, int); 75 76 static int smb_enable_service(void); 77 78 static int range_check_validator(int, char *); 79 static int range_check_validator_zero_ok(int, char *); 80 static int string_length_check_validator(int, char *); 81 static int print_enable_validator(int, char *); 82 static int true_false_validator(int, char *); 83 static int ipv4_validator(int, char *); 84 static int hostname_validator(int, char *); 85 static int path_validator(int, char *); 86 static int cmd_validator(int, char *); 87 static int disposition_validator(int, char *); 88 static int protocol_validator(int, char *); 89 static int require_validator(int, char *); 90 91 static int smb_enable_resource(sa_resource_t); 92 static int smb_disable_resource(sa_resource_t); 93 static uint64_t smb_share_features(void); 94 static int smb_list_transient(sa_handle_t); 95 96 static int smb_build_shareinfo(sa_share_t, sa_resource_t, smb_share_t *); 97 static void smb_csc_option(const char *, smb_share_t *); 98 static char *smb_csc_name(const smb_share_t *); 99 static sa_group_t smb_get_defaultgrp(sa_handle_t); 100 static int interface_validator(int, char *); 101 static int smb_update_optionset_props(sa_handle_t, sa_resource_t, nvlist_t *); 102 103 static boolean_t smb_saprop_getbool(sa_optionset_t, char *, boolean_t); 104 static boolean_t smb_saprop_getstr(sa_optionset_t, char *, char *, size_t); 105 106 static struct { 107 char *value; 108 uint32_t flag; 109 } cscopt[] = { 110 { "disabled", SMB_SHRF_CSC_DISABLED }, 111 { "manual", SMB_SHRF_CSC_MANUAL }, 112 { "auto", SMB_SHRF_CSC_AUTO }, 113 { "vdo", SMB_SHRF_CSC_VDO } 114 }; 115 116 /* size of basic format allocation */ 117 #define OPT_CHUNK 1024 118 119 /* size of string for types - big enough to hold "dependency" */ 120 #define SCFTYPE_LEN 32 121 122 /* 123 * Indexes of entries in smb_proto_options table. 124 * Changes to smb_proto_options table may require 125 * an update to these values. 126 */ 127 #define PROTO_OPT_WINS1 6 128 #define PROTO_OPT_WINS_EXCLUDE 8 129 130 typedef struct smb_hostifs_walker { 131 const char *hiw_ifname; 132 boolean_t hiw_matchfound; 133 } smb_hostifs_walker_t; 134 135 136 /* 137 * ops vector that provides the protocol specific info and operations 138 * for share management. 139 */ 140 141 struct sa_plugin_ops sa_plugin_ops = { 142 SA_PLUGIN_VERSION, 143 SMB_PROTOCOL_NAME, 144 smb_share_init, 145 smb_share_fini, 146 smb_enable_share, 147 smb_disable_share, 148 smb_validate_property, 149 NULL, /* valid_space */ 150 NULL, /* security_prop */ 151 smb_parse_optstring, 152 smb_format_options, 153 smb_set_proto_prop, 154 smb_get_proto_set, 155 smb_get_status, 156 NULL, /* space_alias */ 157 NULL, /* update_legacy */ 158 NULL, /* delete_legacy */ 159 smb_share_changed, 160 smb_enable_resource, 161 smb_disable_resource, 162 smb_share_features, 163 smb_list_transient, 164 smb_resource_changed, 165 smb_rename_resource, 166 NULL, /* run_command */ 167 NULL, /* command_help */ 168 NULL /* delete_proto_section */ 169 }; 170 171 struct option_defs optdefs[] = { 172 { SHOPT_AD_CONTAINER, OPT_TYPE_STRING }, 173 { SHOPT_ABE, OPT_TYPE_BOOLEAN }, 174 { SHOPT_NAME, OPT_TYPE_NAME }, 175 { SHOPT_RO, OPT_TYPE_ACCLIST }, 176 { SHOPT_RW, OPT_TYPE_ACCLIST }, 177 { SHOPT_NONE, OPT_TYPE_ACCLIST }, 178 { SHOPT_CATIA, OPT_TYPE_BOOLEAN }, 179 { SHOPT_CSC, OPT_TYPE_CSC }, 180 { SHOPT_GUEST, OPT_TYPE_BOOLEAN }, 181 { SHOPT_DFSROOT, OPT_TYPE_BOOLEAN }, 182 { SHOPT_DESCRIPTION, OPT_TYPE_STRING }, 183 { SHOPT_CA, OPT_TYPE_BOOLEAN }, 184 { SHOPT_FSO, OPT_TYPE_BOOLEAN }, 185 { SHOPT_QUOTAS, OPT_TYPE_BOOLEAN }, 186 { SHOPT_ENCRYPT, OPT_TYPE_STRING }, 187 { NULL, 0 } 188 }; 189 190 /* 191 * findopt(name) 192 * 193 * Lookup option "name" in the option table and return the table 194 * index. 195 */ 196 static int 197 findopt(char *name) 198 { 199 int i; 200 if (name != NULL) { 201 for (i = 0; optdefs[i].tag != NULL; i++) { 202 if (strcmp(optdefs[i].tag, name) == 0) 203 return (i); 204 } 205 } 206 return (-1); 207 } 208 209 /* 210 * is_a_number(number) 211 * 212 * is the string a number in one of the forms we want to use? 213 */ 214 static boolean_t 215 is_a_number(char *number) 216 { 217 boolean_t isnum = B_TRUE; 218 boolean_t ishex = B_FALSE; 219 220 if (number == NULL || *number == '\0') 221 return (B_FALSE); 222 223 if (strncasecmp(number, "0x", 2) == 0) { 224 number += 2; 225 ishex = B_TRUE; 226 } else if (*number == '-') { 227 number++; 228 } 229 230 while (isnum && (*number != '\0')) { 231 isnum = (ishex) ? isxdigit(*number) : isdigit(*number); 232 number++; 233 } 234 235 return (isnum); 236 } 237 238 /* 239 * check ro vs rw values. Over time this may get beefed up. 240 * for now it just does simple checks. 241 */ 242 243 static int 244 check_rorw(char *v1, char *v2) 245 { 246 int ret = SA_OK; 247 if (strcmp(v1, v2) == 0) 248 ret = SA_VALUE_CONFLICT; 249 return (ret); 250 } 251 252 /* 253 * validresource(name) 254 * 255 * Check that name only has valid characters in it. The current valid 256 * set are the printable characters but not including: 257 * " / \ [ ] : | < > + ; , ? * = \t 258 * Note that space is included and there is a maximum length. 259 */ 260 static boolean_t 261 validresource(const char *name) 262 { 263 const char *cp; 264 size_t len; 265 266 if (name == NULL) 267 return (B_FALSE); 268 269 len = strlen(name); 270 if (len == 0 || len > SA_MAX_RESOURCE_NAME) 271 return (B_FALSE); 272 273 if (strpbrk(name, "\"/\\[]:|<>+;,?*=\t") != NULL) { 274 return (B_FALSE); 275 } 276 277 for (cp = name; *cp != '\0'; cp++) 278 if (iscntrl(*cp)) 279 return (B_FALSE); 280 281 return (B_TRUE); 282 } 283 284 /* 285 * Check that the client-side caching (CSC) option value is valid. 286 */ 287 static boolean_t 288 validcsc(const char *value) 289 { 290 int i; 291 292 for (i = 0; i < (sizeof (cscopt) / sizeof (cscopt[0])); ++i) { 293 if (strcasecmp(value, cscopt[i].value) == 0) 294 return (B_TRUE); 295 } 296 297 return (B_FALSE); 298 } 299 300 /* 301 * smb_isonline() 302 * 303 * Determine if the SMF service instance is in the online state or 304 * not. A number of operations depend on this state. 305 */ 306 static boolean_t 307 smb_isonline(void) 308 { 309 char *str; 310 boolean_t ret = B_FALSE; 311 312 if ((str = smf_get_state(SMBD_DEFAULT_INSTANCE_FMRI)) != NULL) { 313 ret = (strcmp(str, SCF_STATE_STRING_ONLINE) == 0); 314 free(str); 315 } 316 return (ret); 317 } 318 319 /* 320 * smb_isdisabled() 321 * 322 * Determine if the SMF service instance is in the disabled state or 323 * not. A number of operations depend on this state. 324 */ 325 static boolean_t 326 smb_isdisabled(void) 327 { 328 char *str; 329 boolean_t ret = B_FALSE; 330 331 if ((str = smf_get_state(SMBD_DEFAULT_INSTANCE_FMRI)) != NULL) { 332 ret = (strcmp(str, SCF_STATE_STRING_DISABLED) == 0); 333 free(str); 334 } 335 return (ret); 336 } 337 338 /* 339 * smb_isautoenable() 340 * 341 * Determine if the SMF service instance auto_enabled set or not. A 342 * number of operations depend on this state. The property not being 343 * set or being set to true means autoenable. Only being set to false 344 * is not autoenabled. 345 */ 346 static boolean_t 347 smb_isautoenable(void) 348 { 349 boolean_t ret = B_TRUE; 350 scf_simple_prop_t *prop; 351 uint8_t *retstr; 352 353 prop = scf_simple_prop_get(NULL, SMBD_DEFAULT_INSTANCE_FMRI, 354 "application", "auto_enable"); 355 if (prop != NULL) { 356 retstr = scf_simple_prop_next_boolean(prop); 357 ret = *retstr != 0; 358 scf_simple_prop_free(prop); 359 } 360 return (ret); 361 } 362 363 /* 364 * smb_ismaint() 365 * 366 * Determine if the SMF service instance is in the disabled state or 367 * not. A number of operations depend on this state. 368 */ 369 static boolean_t 370 smb_ismaint(void) 371 { 372 char *str; 373 boolean_t ret = B_FALSE; 374 375 if ((str = smf_get_state(SMBD_DEFAULT_INSTANCE_FMRI)) != NULL) { 376 ret = (strcmp(str, SCF_STATE_STRING_MAINT) == 0); 377 free(str); 378 } 379 return (ret); 380 } 381 382 /* 383 * smb_enable_share tells the implementation that it is to enable the share. 384 * This entails converting the path and options into the appropriate ioctl 385 * calls. It is assumed that all error checking of paths, etc. were 386 * done earlier. 387 */ 388 static int 389 smb_enable_share(sa_share_t share) 390 { 391 char *path; 392 smb_share_t si; 393 sa_resource_t resource; 394 boolean_t iszfs; 395 int err = SA_OK; 396 boolean_t online; 397 398 /* 399 * Don't support Trusted Extensions. 400 */ 401 if (is_system_labeled()) { 402 (void) printf(dgettext(TEXT_DOMAIN, 403 "SMB: service not supported with Trusted Extensions\n")); 404 return (SA_NOT_SUPPORTED); 405 } 406 407 /* get the path since it is important in several places */ 408 path = sa_get_share_attr(share, "path"); 409 if (path == NULL) 410 return (SA_NO_SUCH_PATH); 411 412 /* 413 * If administratively disabled, don't try to start anything. 414 */ 415 online = smb_isonline(); 416 if (!online && !smb_isautoenable() && smb_isdisabled()) 417 goto done; 418 419 iszfs = sa_path_is_zfs(path); 420 421 if (!online) { 422 err = smb_enable_service(); 423 if (err != SA_OK) { 424 (void) printf(dgettext(TEXT_DOMAIN, 425 "SMB: Unable to enable service\n")); 426 } else { 427 online = B_TRUE; 428 } 429 } 430 431 /* 432 * Don't bother trying to start shares if the service isn't 433 * running. 434 */ 435 if (!online) 436 goto done; 437 438 /* Each share can have multiple resources */ 439 for (resource = sa_get_share_resource(share, NULL); 440 resource != NULL; 441 resource = sa_get_next_resource(resource)) { 442 err = smb_build_shareinfo(share, resource, &si); 443 if (err != SA_OK) { 444 sa_free_attr_string(path); 445 return (err); 446 } 447 448 if (!iszfs) { 449 err = smb_share_create(&si); 450 } else { 451 share_t sh; 452 453 (void) sa_sharetab_fill_zfs(share, &sh, "smb"); 454 err = sa_share_zfs(share, resource, (char *)path, &sh, 455 &si, ZFS_SHARE_SMB); 456 if (err != SA_OK) { 457 errno = err; 458 err = -1; 459 } 460 sa_emptyshare(&sh); 461 } 462 } 463 if (!iszfs) 464 (void) sa_update_sharetab(share, "smb"); 465 done: 466 sa_free_attr_string(path); 467 468 return (err == NERR_DuplicateShare ? 0 : err); 469 } 470 471 /* 472 * This is the share for CIFS all shares have resource names. 473 * Enable tells the smb server to update its hash. If it fails 474 * because smb server is down, we just ignore as smb server loads 475 * the resources from sharemanager at startup. 476 */ 477 478 static int 479 smb_enable_resource(sa_resource_t resource) 480 { 481 sa_share_t share; 482 smb_share_t si; 483 int ret = SA_OK; 484 int err; 485 boolean_t isonline; 486 487 share = sa_get_resource_parent(resource); 488 if (share == NULL) 489 return (SA_NO_SUCH_PATH); 490 491 /* 492 * If administratively disabled, don't try to start anything. 493 */ 494 isonline = smb_isonline(); 495 if (!isonline && !smb_isautoenable() && smb_isdisabled()) 496 return (SA_OK); 497 498 if (!isonline) { 499 (void) smb_enable_service(); 500 501 if (!smb_isonline()) 502 return (SA_OK); 503 } 504 505 if ((ret = smb_build_shareinfo(share, resource, &si)) != SA_OK) 506 return (ret); 507 508 /* 509 * Attempt to add the share. Any error that occurs if it was 510 * online is an error but don't count NERR_DuplicateName if 511 * smb/server had to be brought online since bringing the 512 * service up will enable the share that was just added prior 513 * to the attempt to enable. 514 */ 515 err = smb_share_create(&si); 516 if (err == NERR_Success || !(!isonline && err == NERR_DuplicateName)) 517 (void) sa_update_sharetab(share, "smb"); 518 else 519 return (SA_NOT_SHARED); 520 521 return (SA_OK); 522 } 523 524 /* 525 * Remove it from smb server hash. 526 */ 527 static int 528 smb_disable_resource(sa_resource_t resource) 529 { 530 char *rname; 531 uint32_t res; 532 sa_share_t share; 533 534 rname = sa_get_resource_attr(resource, "name"); 535 if (rname == NULL) 536 return (SA_NO_SUCH_RESOURCE); 537 538 if (smb_isonline()) { 539 res = smb_share_delete(rname); 540 if (res != NERR_Success && 541 res != NERR_NetNameNotFound) { 542 sa_free_attr_string(rname); 543 return (SA_CONFIG_ERR); 544 } 545 } 546 547 sa_free_attr_string(rname); 548 549 share = sa_get_resource_parent(resource); 550 if (share != NULL) { 551 rname = sa_get_share_attr(share, "path"); 552 if (rname != NULL) { 553 sa_handle_t handle; 554 555 handle = sa_find_group_handle((sa_group_t)resource); 556 (void) sa_delete_sharetab(handle, rname, "smb"); 557 sa_free_attr_string(rname); 558 } 559 } 560 /* 561 * Always return OK as smb/server may be down and 562 * Shares will be picked up when loaded. 563 */ 564 return (SA_OK); 565 } 566 567 /* 568 * smb_share_changed(sa_share_t share) 569 * 570 * The specified share has changed. 571 */ 572 static int 573 smb_share_changed(sa_share_t share) 574 { 575 char *path; 576 sa_resource_t resource; 577 578 if (!smb_isonline()) 579 return (SA_OK); 580 581 /* get the path since it is important in several places */ 582 path = sa_get_share_attr(share, "path"); 583 if (path == NULL) 584 return (SA_NO_SUCH_PATH); 585 586 for (resource = sa_get_share_resource(share, NULL); 587 resource != NULL; 588 resource = sa_get_next_resource(resource)) 589 (void) smb_resource_changed(resource); 590 591 sa_free_attr_string(path); 592 593 return (SA_OK); 594 } 595 596 /* 597 * smb_resource_changed(sa_resource_t resource) 598 * 599 * The specified resource has changed. 600 */ 601 static int 602 smb_resource_changed(sa_resource_t resource) 603 { 604 uint32_t res; 605 sa_share_t share; 606 smb_share_t si; 607 608 if (!smb_isonline()) 609 return (SA_OK); 610 611 if ((share = sa_get_resource_parent(resource)) == NULL) 612 return (SA_CONFIG_ERR); 613 614 if ((res = smb_build_shareinfo(share, resource, &si)) != SA_OK) 615 return (res); 616 617 res = smb_share_modify(&si); 618 619 if (res != NERR_Success) 620 return (SA_CONFIG_ERR); 621 622 return (smb_enable_service()); 623 } 624 625 /* 626 * smb_disable_share(sa_share_t share, char *path) 627 * 628 * Unshare the specified share. Note that "path" is the same 629 * path as what is in the "share" object. It is passed in to avoid an 630 * additional lookup. A missing "path" value makes this a no-op 631 * function. 632 */ 633 static int 634 smb_disable_share(sa_share_t share, char *path) 635 { 636 char *rname; 637 sa_resource_t resource; 638 sa_group_t parent; 639 boolean_t iszfs; 640 int err = SA_OK; 641 int ret = SA_OK; 642 sa_handle_t handle; 643 boolean_t first = B_TRUE; /* work around sharetab issue */ 644 645 if (path == NULL) 646 return (ret); 647 648 /* 649 * If the share is in a ZFS group we need to handle it 650 * differently. Just being on a ZFS file system isn't 651 * enough since we may be in a legacy share case. 652 */ 653 parent = sa_get_parent_group(share); 654 iszfs = sa_group_is_zfs(parent); 655 656 if (!smb_isonline()) 657 goto done; 658 659 for (resource = sa_get_share_resource(share, NULL); 660 resource != NULL; 661 resource = sa_get_next_resource(resource)) { 662 rname = sa_get_resource_attr(resource, "name"); 663 if (rname == NULL) { 664 continue; 665 } 666 if (!iszfs) { 667 err = smb_share_delete(rname); 668 switch (err) { 669 case NERR_NetNameNotFound: 670 case NERR_Success: 671 err = SA_OK; 672 break; 673 default: 674 err = SA_CONFIG_ERR; 675 break; 676 } 677 } else { 678 share_t sh; 679 680 (void) sa_sharetab_fill_zfs(share, &sh, "smb"); 681 err = sa_share_zfs(share, resource, (char *)path, &sh, 682 rname, ZFS_UNSHARE_SMB); 683 if (err != SA_OK) { 684 switch (err) { 685 case EINVAL: 686 case ENOENT: 687 err = SA_OK; 688 break; 689 default: 690 /* 691 * If we are no longer the first case, 692 * we don't care about the sa_share_zfs 693 * err if it is -1. This works around 694 * a problem in sharefs and should be 695 * removed when sharefs supports 696 * multiple entries per path. 697 */ 698 if (!first) 699 err = SA_OK; 700 else 701 err = SA_SYSTEM_ERR; 702 break; 703 } 704 } 705 706 first = B_FALSE; 707 708 sa_emptyshare(&sh); 709 } 710 711 if (err != SA_OK) 712 ret = err; 713 sa_free_attr_string(rname); 714 } 715 done: 716 if (!iszfs) { 717 handle = sa_find_group_handle((sa_group_t)share); 718 if (handle != NULL) 719 (void) sa_delete_sharetab(handle, path, "smb"); 720 else 721 ret = SA_SYSTEM_ERR; 722 } 723 return (ret); 724 } 725 726 /* 727 * smb_validate_property(handle, property, parent) 728 * 729 * Check that the property has a legitimate value for its type. 730 * Handle isn't currently used but may need to be in the future. 731 */ 732 733 /*ARGSUSED*/ 734 static int 735 smb_validate_property(sa_handle_t handle, sa_property_t property, 736 sa_optionset_t parent) 737 { 738 int ret = SA_OK; 739 char *propname; 740 int optindex; 741 sa_group_t parent_group; 742 char *value; 743 char *other; 744 745 propname = sa_get_property_attr(property, "type"); 746 747 if ((optindex = findopt(propname)) < 0) 748 ret = SA_NO_SUCH_PROP; 749 750 /* need to validate value range here as well */ 751 if (ret == SA_OK) { 752 parent_group = sa_get_parent_group((sa_share_t)parent); 753 if (optdefs[optindex].share && !sa_is_share(parent_group)) 754 ret = SA_PROP_SHARE_ONLY; 755 } 756 if (ret != SA_OK) { 757 if (propname != NULL) 758 sa_free_attr_string(propname); 759 return (ret); 760 } 761 762 value = sa_get_property_attr(property, "value"); 763 if (value != NULL) { 764 /* first basic type checking */ 765 switch (optdefs[optindex].type) { 766 case OPT_TYPE_NUMBER: 767 /* check that the value is all digits */ 768 if (!is_a_number(value)) 769 ret = SA_BAD_VALUE; 770 break; 771 case OPT_TYPE_BOOLEAN: 772 ret = true_false_validator(0, value); 773 break; 774 case OPT_TYPE_NAME: 775 /* 776 * Make sure no invalid characters 777 */ 778 if (!validresource(value)) 779 ret = SA_BAD_VALUE; 780 break; 781 case OPT_TYPE_STRING: 782 /* whatever is here should be ok */ 783 break; 784 case OPT_TYPE_CSC: 785 if (!validcsc(value)) 786 ret = SA_BAD_VALUE; 787 break; 788 case OPT_TYPE_ACCLIST: { 789 sa_property_t oprop; 790 char *ovalue; 791 /* 792 * access list handling. Should eventually 793 * validate that all the values make sense. 794 * Also, ro and rw may have cross value 795 * conflicts. 796 */ 797 if (parent == NULL) 798 break; 799 if (strcmp(propname, SHOPT_RO) == 0) 800 other = SHOPT_RW; 801 else if (strcmp(propname, SHOPT_RW) == 0) 802 other = SHOPT_RO; 803 else 804 other = NULL; 805 if (other == NULL) 806 break; 807 808 /* compare rw(ro) with ro(rw) */ 809 oprop = sa_get_property(parent, other); 810 if (oprop == NULL) 811 break; 812 /* 813 * only potential 814 * confusion if other 815 * exists 816 */ 817 ovalue = sa_get_property_attr(oprop, "value"); 818 if (ovalue != NULL) { 819 ret = check_rorw(value, ovalue); 820 sa_free_attr_string(ovalue); 821 } 822 break; 823 } 824 default: 825 break; 826 } 827 } 828 829 if (value != NULL) 830 sa_free_attr_string(value); 831 if (ret == SA_OK && optdefs[optindex].check != NULL) 832 /* do the property specific check */ 833 ret = optdefs[optindex].check(property); 834 835 if (propname != NULL) 836 sa_free_attr_string(propname); 837 return (ret); 838 } 839 840 /* 841 * Protocol management functions 842 * 843 * properties defined in the default files are defined in 844 * proto_option_defs for parsing and validation. 845 */ 846 847 struct smb_proto_option_defs { 848 int smb_index; 849 int32_t minval; 850 int32_t maxval; /* In case of length of string this should be max */ 851 int (*validator)(int, char *); 852 int32_t refresh; 853 } smb_proto_options[] = { 854 { SMB_CI_SYS_CMNT, 0, MAX_VALUE_BUFLEN, 855 string_length_check_validator, SMB_REFRESH_REFRESH }, 856 { SMB_CI_MAX_WORKERS, SMB_PI_MAX_WORKERS_MIN, SMB_PI_MAX_WORKERS_MAX, 857 range_check_validator, SMB_REFRESH_REFRESH }, 858 { SMB_CI_NETBIOS_ENABLE, 0, 0, true_false_validator, 859 SMB_REFRESH_REFRESH }, 860 { SMB_CI_NBSCOPE, 0, MAX_VALUE_BUFLEN, 861 string_length_check_validator, 0 }, 862 { SMB_CI_LM_LEVEL, 2, 5, range_check_validator, 0 }, 863 { SMB_CI_KEEPALIVE, 20, 5400, range_check_validator_zero_ok, 864 SMB_REFRESH_REFRESH }, 865 { SMB_CI_WINS_SRV1, 0, MAX_VALUE_BUFLEN, 866 ipv4_validator, SMB_REFRESH_REFRESH }, 867 { SMB_CI_WINS_SRV2, 0, MAX_VALUE_BUFLEN, 868 ipv4_validator, SMB_REFRESH_REFRESH }, 869 { SMB_CI_WINS_EXCL, 0, MAX_VALUE_BUFLEN, 870 interface_validator, SMB_REFRESH_REFRESH }, 871 { SMB_CI_SIGNING_ENABLE, 0, 0, true_false_validator, 872 SMB_REFRESH_REFRESH }, 873 { SMB_CI_SIGNING_REQD, 0, 0, true_false_validator, 874 SMB_REFRESH_REFRESH }, 875 { SMB_CI_RESTRICT_ANON, 0, 0, true_false_validator, 876 SMB_REFRESH_REFRESH }, 877 { SMB_CI_DOMAIN_SRV, 0, MAX_VALUE_BUFLEN, 878 hostname_validator, SMB_REFRESH_REFRESH }, 879 { SMB_CI_ADS_SITE, 0, MAX_VALUE_BUFLEN, 880 string_length_check_validator, SMB_REFRESH_REFRESH }, 881 { SMB_CI_DYNDNS_ENABLE, 0, 0, true_false_validator, 0 }, 882 { SMB_CI_AUTOHOME_MAP, 0, MAX_VALUE_BUFLEN, path_validator, 0 }, 883 { SMB_CI_IPV6_ENABLE, 0, 0, true_false_validator, 884 SMB_REFRESH_REFRESH }, 885 { SMB_CI_PRINT_ENABLE, 0, 0, print_enable_validator, 886 SMB_REFRESH_REFRESH }, 887 { SMB_CI_TRAVERSE_MOUNTS, 0, 0, true_false_validator, 888 SMB_REFRESH_REFRESH }, 889 { SMB_CI_MAP, 0, MAX_VALUE_BUFLEN, cmd_validator, SMB_REFRESH_REFRESH }, 890 { SMB_CI_UNMAP, 0, MAX_VALUE_BUFLEN, cmd_validator, 891 SMB_REFRESH_REFRESH }, 892 { SMB_CI_DISPOSITION, 0, MAX_VALUE_BUFLEN, 893 disposition_validator, SMB_REFRESH_REFRESH }, 894 { SMB_CI_MIN_PROTOCOL, 0, MAX_VALUE_BUFLEN, protocol_validator, 895 SMB_REFRESH_REFRESH }, 896 { SMB_CI_MAX_PROTOCOL, 0, MAX_VALUE_BUFLEN, protocol_validator, 897 SMB_REFRESH_REFRESH }, 898 { SMB_CI_ENCRYPT, 0, MAX_VALUE_BUFLEN, require_validator, 899 SMB_REFRESH_REFRESH }, 900 { SMB_CI_BYPASS_TRAVERSE_CHECKING, 0, 0, true_false_validator, 901 SMB_REFRESH_REFRESH }, 902 { SMB_CI_OPLOCK_ENABLE, 0, 0, true_false_validator, 903 SMB_REFRESH_REFRESH }, 904 { SMB_CI_SHORT_NAMES, 0, 0, true_false_validator, 905 SMB_REFRESH_REFRESH }, 906 }; 907 908 #define SMB_OPT_NUM \ 909 (sizeof (smb_proto_options) / sizeof (smb_proto_options[0])) 910 911 static int 912 require_validator(int index, char *value) 913 { 914 if (string_length_check_validator(index, value) != SA_OK) 915 return (SA_BAD_VALUE); 916 917 if (strcmp(value, "required") == 0) 918 return (SA_OK); 919 920 if (strcmp(value, "disabled") == 0) 921 return (SA_OK); 922 923 if (strcmp(value, "enabled") == 0) 924 return (SA_OK); 925 926 return (SA_BAD_VALUE); 927 } 928 929 /* 930 * Check the range of value as int range. 931 */ 932 static int 933 range_check_validator(int index, char *value) 934 { 935 int ret = SA_OK; 936 937 if (!is_a_number(value)) { 938 ret = SA_BAD_VALUE; 939 } else { 940 int val; 941 val = strtoul(value, NULL, 0); 942 if (val < smb_proto_options[index].minval || 943 val > smb_proto_options[index].maxval) 944 ret = SA_BAD_VALUE; 945 } 946 return (ret); 947 } 948 949 /* 950 * Check the range of value as int range. 951 */ 952 static int 953 range_check_validator_zero_ok(int index, char *value) 954 { 955 int ret = SA_OK; 956 957 if (!is_a_number(value)) { 958 ret = SA_BAD_VALUE; 959 } else { 960 int val; 961 val = strtoul(value, NULL, 0); 962 if (val == 0) 963 ret = SA_OK; 964 else { 965 if (val < smb_proto_options[index].minval || 966 val > smb_proto_options[index].maxval) 967 ret = SA_BAD_VALUE; 968 } 969 } 970 return (ret); 971 } 972 973 /* 974 * Check the length of the string 975 */ 976 static int 977 string_length_check_validator(int index, char *value) 978 { 979 int ret = SA_OK; 980 981 if (value == NULL) 982 return (SA_BAD_VALUE); 983 if (strlen(value) > smb_proto_options[index].maxval) 984 ret = SA_BAD_VALUE; 985 return (ret); 986 } 987 988 /* 989 * Check yes/no 990 */ 991 /*ARGSUSED*/ 992 static int 993 true_false_validator(int index, char *value) 994 { 995 if (value == NULL) 996 return (SA_BAD_VALUE); 997 if ((strcasecmp(value, "true") == 0) || 998 (strcasecmp(value, "false") == 0)) 999 return (SA_OK); 1000 return (SA_BAD_VALUE); 1001 } 1002 1003 /* 1004 * If printing support is compiled in, this is the same as: 1005 * true_false_validator. Otherwise, only allow false. 1006 */ 1007 /*ARGSUSED*/ 1008 static int 1009 print_enable_validator(int index, char *value) 1010 { 1011 if (value == NULL) 1012 return (SA_BAD_VALUE); 1013 1014 #ifdef HAVE_CUPS 1015 if (strcasecmp(value, "true") == 0) 1016 return (SA_OK); 1017 #endif 1018 if (strcasecmp(value, "false") == 0) 1019 return (SA_OK); 1020 1021 return (SA_BAD_VALUE); 1022 } 1023 1024 /* 1025 * Check IP v4 address. 1026 */ 1027 /*ARGSUSED*/ 1028 static int 1029 ipv4_validator(int index, char *value) 1030 { 1031 char sbytes[16]; 1032 1033 if (value == NULL) 1034 return (SA_OK); 1035 1036 if (strlen(value) == 0) 1037 return (SA_OK); 1038 1039 if (inet_pton(AF_INET, value, (void *)sbytes) != 1) 1040 return (SA_BAD_VALUE); 1041 1042 return (SA_OK); 1043 } 1044 1045 /* 1046 * Check that the specified name is an IP address (v4 or v6) or a hostname. 1047 * Per RFC 1035 and 1123, names may contain alphanumeric characters, hyphens 1048 * and dots. The first and last character of a label must be alphanumeric. 1049 * Interior characters may be alphanumeric or hypens. 1050 * 1051 * Domain names should not contain underscores but we allow them because 1052 * Windows names are often in non-compliance with this rule. 1053 */ 1054 /*ARGSUSED*/ 1055 static int 1056 hostname_validator(int index, char *value) 1057 { 1058 char sbytes[INET6_ADDRSTRLEN]; 1059 boolean_t new_label = B_TRUE; 1060 char *p; 1061 char label_terminator; 1062 int len; 1063 1064 if (value == NULL) 1065 return (SA_OK); 1066 1067 if ((len = strlen(value)) == 0) 1068 return (SA_OK); 1069 1070 if (inet_pton(AF_INET, value, (void *)sbytes) == 1) 1071 return (SA_OK); 1072 1073 if (inet_pton(AF_INET6, value, (void *)sbytes) == 1) 1074 return (SA_OK); 1075 1076 if (len >= MAXHOSTNAMELEN) 1077 return (SA_BAD_VALUE); 1078 1079 if (strspn(value, "0123456789.") == len) 1080 return (SA_BAD_VALUE); 1081 1082 label_terminator = *value; 1083 1084 for (p = value; *p != '\0'; ++p) { 1085 if (new_label) { 1086 if (!isalnum(*p)) 1087 return (SA_BAD_VALUE); 1088 new_label = B_FALSE; 1089 label_terminator = *p; 1090 continue; 1091 } 1092 1093 if (*p == '.') { 1094 if (!isalnum(label_terminator)) 1095 return (SA_BAD_VALUE); 1096 new_label = B_TRUE; 1097 label_terminator = *p; 1098 continue; 1099 } 1100 1101 label_terminator = *p; 1102 1103 if (isalnum(*p) || *p == '-' || *p == '_') 1104 continue; 1105 1106 return (SA_BAD_VALUE); 1107 } 1108 1109 if (!isalnum(label_terminator)) 1110 return (SA_BAD_VALUE); 1111 1112 return (SA_OK); 1113 } 1114 1115 /* 1116 * Call back function for dlpi_walk. 1117 * Returns TRUE if interface name exists on the host. 1118 */ 1119 static boolean_t 1120 smb_get_interface(const char *ifname, void *arg) 1121 { 1122 smb_hostifs_walker_t *iterp = arg; 1123 1124 iterp->hiw_matchfound = (strcmp(ifname, iterp->hiw_ifname) == 0); 1125 1126 return (iterp->hiw_matchfound); 1127 } 1128 1129 /* 1130 * Checks to see if the input interface exists on the host. 1131 * Returns B_TRUE if the match is found, B_FALSE otherwise. 1132 */ 1133 static boolean_t 1134 smb_validate_interface(const char *ifname) 1135 { 1136 smb_hostifs_walker_t iter; 1137 1138 if ((ifname == NULL) || (*ifname == '\0')) 1139 return (B_FALSE); 1140 1141 iter.hiw_ifname = ifname; 1142 iter.hiw_matchfound = B_FALSE; 1143 dlpi_walk(smb_get_interface, &iter, 0); 1144 1145 return (iter.hiw_matchfound); 1146 } 1147 1148 /* 1149 * Check valid interfaces. Interface names value can be NULL or empty. 1150 * Returns SA_BAD_VALUE if interface cannot be found on the host. 1151 */ 1152 /*ARGSUSED*/ 1153 static int 1154 interface_validator(int index, char *value) 1155 { 1156 char buf[16]; 1157 int ret = SA_OK; 1158 char *ifname, *tmp, *p; 1159 1160 if (value == NULL || *value == '\0') 1161 return (ret); 1162 1163 if (strlen(value) > MAX_VALUE_BUFLEN) 1164 return (SA_BAD_VALUE); 1165 1166 if ((p = strdup(value)) == NULL) 1167 return (SA_NO_MEMORY); 1168 1169 tmp = p; 1170 while ((ifname = strsep(&tmp, ",")) != NULL) { 1171 if (*ifname == '\0') { 1172 ret = SA_BAD_VALUE; 1173 break; 1174 } 1175 1176 if (!smb_validate_interface(ifname)) { 1177 if (inet_pton(AF_INET, ifname, (void *)buf) == 0) { 1178 ret = SA_BAD_VALUE; 1179 break; 1180 } 1181 } 1182 } 1183 1184 free(p); 1185 return (ret); 1186 } 1187 1188 /* 1189 * Check path 1190 */ 1191 /*ARGSUSED*/ 1192 static int 1193 path_validator(int index, char *path) 1194 { 1195 struct stat buffer; 1196 int fd, status; 1197 1198 if (path == NULL) 1199 return (SA_BAD_VALUE); 1200 1201 fd = open(path, O_RDONLY); 1202 if (fd < 0) 1203 return (SA_BAD_VALUE); 1204 1205 status = fstat(fd, &buffer); 1206 (void) close(fd); 1207 1208 if (status < 0) 1209 return (SA_BAD_VALUE); 1210 1211 if (buffer.st_mode & S_IFDIR) 1212 return (SA_OK); 1213 return (SA_BAD_VALUE); 1214 } 1215 1216 /* 1217 * the protoset holds the defined options so we don't have to read 1218 * them multiple times 1219 */ 1220 static sa_protocol_properties_t protoset; 1221 1222 static int 1223 findprotoopt(char *name) 1224 { 1225 int i; 1226 char *sc_name; 1227 1228 for (i = 0; i < SMB_OPT_NUM; i++) { 1229 sc_name = smb_config_getname(smb_proto_options[i].smb_index); 1230 if (strcasecmp(sc_name, name) == 0) 1231 return (i); 1232 } 1233 1234 return (-1); 1235 } 1236 1237 /* 1238 * smb_load_proto_properties() 1239 * 1240 * read the smb config values from SMF. 1241 */ 1242 1243 static int 1244 smb_load_proto_properties() 1245 { 1246 sa_property_t prop; 1247 char value[MAX_VALUE_BUFLEN]; 1248 char *name; 1249 int index; 1250 int ret = SA_OK; 1251 int rc; 1252 1253 protoset = sa_create_protocol_properties(SMB_PROTOCOL_NAME); 1254 if (protoset == NULL) 1255 return (SA_NO_MEMORY); 1256 1257 for (index = 0; index < SMB_OPT_NUM && ret == SA_OK; index++) { 1258 rc = smb_config_get(smb_proto_options[index].smb_index, 1259 value, sizeof (value)); 1260 if (rc != SMBD_SMF_OK) 1261 continue; 1262 name = smb_config_getname(smb_proto_options[index].smb_index); 1263 prop = sa_create_property(name, value); 1264 if (prop != NULL) 1265 ret = sa_add_protocol_property(protoset, prop); 1266 else 1267 ret = SA_NO_MEMORY; 1268 } 1269 return (ret); 1270 } 1271 1272 /* 1273 * smb_share_init() 1274 * 1275 * Initialize the smb plugin. 1276 */ 1277 1278 static int 1279 smb_share_init(void) 1280 { 1281 if (sa_plugin_ops.sa_init != smb_share_init) 1282 return (SA_SYSTEM_ERR); 1283 1284 smb_share_door_clnt_init(); 1285 return (smb_load_proto_properties()); 1286 } 1287 1288 /* 1289 * smb_share_fini() 1290 * 1291 */ 1292 static void 1293 smb_share_fini(void) 1294 { 1295 xmlFreeNode(protoset); 1296 protoset = NULL; 1297 1298 smb_share_door_clnt_fini(); 1299 } 1300 1301 /* 1302 * smb_get_proto_set() 1303 * 1304 * Return an optionset with all the protocol specific properties in 1305 * it. 1306 */ 1307 static sa_protocol_properties_t 1308 smb_get_proto_set(void) 1309 { 1310 return (protoset); 1311 } 1312 1313 /* 1314 * smb_enable_dependencies() 1315 * 1316 * SMBD_DEFAULT_INSTANCE_FMRI may have some dependencies that aren't 1317 * enabled. This will attempt to enable all of them. 1318 */ 1319 static void 1320 smb_enable_dependencies(const char *fmri) 1321 { 1322 scf_handle_t *handle; 1323 scf_service_t *service; 1324 scf_instance_t *inst = NULL; 1325 scf_iter_t *iter; 1326 scf_property_t *prop; 1327 scf_value_t *value; 1328 scf_propertygroup_t *pg; 1329 scf_scope_t *scope; 1330 char type[SCFTYPE_LEN]; 1331 char *dependency; 1332 char *servname; 1333 int maxlen; 1334 1335 /* 1336 * Get all required handles and storage. 1337 */ 1338 handle = scf_handle_create(SCF_VERSION); 1339 if (handle == NULL) 1340 return; 1341 1342 if (scf_handle_bind(handle) != 0) { 1343 scf_handle_destroy(handle); 1344 return; 1345 } 1346 1347 maxlen = scf_limit(SCF_LIMIT_MAX_VALUE_LENGTH); 1348 if (maxlen == (ssize_t)-1) 1349 maxlen = MAXPATHLEN; 1350 1351 dependency = malloc(maxlen); 1352 1353 service = scf_service_create(handle); 1354 1355 iter = scf_iter_create(handle); 1356 1357 pg = scf_pg_create(handle); 1358 1359 prop = scf_property_create(handle); 1360 1361 value = scf_value_create(handle); 1362 1363 scope = scf_scope_create(handle); 1364 1365 if (service == NULL || iter == NULL || pg == NULL || prop == NULL || 1366 value == NULL || scope == NULL || dependency == NULL) 1367 goto done; 1368 1369 /* 1370 * We passed in the FMRI for the default instance but for 1371 * some things we need the simple form so construct it. Since 1372 * we reuse the storage that dependency points to, we need to 1373 * use the servname early. 1374 */ 1375 (void) snprintf(dependency, maxlen, "%s", fmri + sizeof ("svc:")); 1376 servname = strrchr(dependency, ':'); 1377 if (servname == NULL) 1378 goto done; 1379 *servname = '\0'; 1380 servname = dependency; 1381 1382 /* 1383 * Setup to iterate over the service property groups, only 1384 * looking at those that are "dependency" types. The "entity" 1385 * property will have the FMRI of the service we are dependent 1386 * on. 1387 */ 1388 if (scf_handle_get_scope(handle, SCF_SCOPE_LOCAL, scope) != 0) 1389 goto done; 1390 1391 if (scf_scope_get_service(scope, servname, service) != 0) 1392 goto done; 1393 1394 if (scf_iter_service_pgs(iter, service) != 0) 1395 goto done; 1396 1397 while (scf_iter_next_pg(iter, pg) > 0) { 1398 char *services[2]; 1399 /* 1400 * Have a property group for the service. See if it is 1401 * a dependency pg and only do operations on those. 1402 */ 1403 if (scf_pg_get_type(pg, type, SCFTYPE_LEN) <= 0) 1404 continue; 1405 1406 if (strncmp(type, SCF_GROUP_DEPENDENCY, SCFTYPE_LEN) != 0) 1407 continue; 1408 /* 1409 * Have a dependency. Attempt to enable it. 1410 */ 1411 if (scf_pg_get_property(pg, SCF_PROPERTY_ENTITIES, prop) != 0) 1412 continue; 1413 1414 if (scf_property_get_value(prop, value) != 0) 1415 continue; 1416 1417 services[1] = NULL; 1418 1419 if (scf_value_get_as_string(value, dependency, maxlen) > 0) { 1420 services[0] = dependency; 1421 _check_services(services); 1422 } 1423 } 1424 1425 done: 1426 if (dependency != NULL) 1427 free(dependency); 1428 if (value != NULL) 1429 scf_value_destroy(value); 1430 if (prop != NULL) 1431 scf_property_destroy(prop); 1432 if (pg != NULL) 1433 scf_pg_destroy(pg); 1434 if (iter != NULL) 1435 scf_iter_destroy(iter); 1436 if (scope != NULL) 1437 scf_scope_destroy(scope); 1438 if (inst != NULL) 1439 scf_instance_destroy(inst); 1440 if (service != NULL) 1441 scf_service_destroy(service); 1442 1443 (void) scf_handle_unbind(handle); 1444 scf_handle_destroy(handle); 1445 } 1446 1447 /* 1448 * How long to wait for service to come online 1449 */ 1450 #define WAIT_FOR_SERVICE 15 1451 1452 /* 1453 * smb_enable_service() 1454 * 1455 */ 1456 static int 1457 smb_enable_service(void) 1458 { 1459 int i; 1460 int ret = SA_OK; 1461 char *service[] = { SMBD_DEFAULT_INSTANCE_FMRI, NULL }; 1462 1463 if (!smb_isonline()) { 1464 /* 1465 * Attempt to start the idmap, and other dependent 1466 * services, first. If it fails, the SMB service will 1467 * ultimately fail so we use that as the error. If we 1468 * don't try to enable idmap, smb won't start the 1469 * first time unless the admin has done it 1470 * manually. The service could be administratively 1471 * disabled so we won't always get started. 1472 */ 1473 smb_enable_dependencies(SMBD_DEFAULT_INSTANCE_FMRI); 1474 _check_services(service); 1475 1476 /* Wait for service to come online */ 1477 for (i = 0; i < WAIT_FOR_SERVICE; i++) { 1478 if (smb_isonline()) { 1479 ret = SA_OK; 1480 break; 1481 } else if (smb_ismaint()) { 1482 /* maintenance requires help */ 1483 ret = SA_SYSTEM_ERR; 1484 break; 1485 } else { 1486 /* try another time */ 1487 ret = SA_BUSY; 1488 (void) sleep(1); 1489 } 1490 } 1491 } 1492 return (ret); 1493 } 1494 1495 /* 1496 * smb_set_proto_prop(prop) 1497 * 1498 * check that prop is valid. 1499 */ 1500 /*ARGSUSED*/ 1501 static int 1502 smb_set_proto_prop(sa_property_t prop) 1503 { 1504 int ret = SA_OK; 1505 char *name; 1506 char *value; 1507 int index = -1; 1508 struct smb_proto_option_defs *opt; 1509 1510 name = sa_get_property_attr(prop, "type"); 1511 value = sa_get_property_attr(prop, "value"); 1512 if (name == NULL || value == NULL) { 1513 ret = SA_NO_SUCH_PROP; 1514 goto out; 1515 } 1516 1517 index = findprotoopt(name); 1518 if (index < 0) { 1519 ret = SA_NO_SUCH_PROP; 1520 goto out; 1521 } 1522 opt = &smb_proto_options[index]; 1523 1524 /* 1525 * When setting max_protocol or min_protocol, 1526 * allow"3.1.1" as an alias for "3.11". 1527 */ 1528 if (opt->smb_index == SMB_CI_MAX_PROTOCOL || 1529 opt->smb_index == SMB_CI_MIN_PROTOCOL) 1530 if (strcmp(value, "3.1.1") == 0) 1531 strcpy(value, "3.11"); 1532 1533 /* Test for valid value */ 1534 if (opt->validator != NULL && 1535 (ret = opt->validator(index, value)) != SA_OK) 1536 goto out; 1537 1538 /* Save to SMF */ 1539 if (smb_config_set(opt->smb_index, value) != 0) { 1540 ret = SA_BAD_VALUE; 1541 goto out; 1542 } 1543 1544 /* 1545 * Specialized refresh mechanisms can 1546 * be flagged in the proto_options and 1547 * processed here. 1548 */ 1549 if (opt->refresh & SMB_REFRESH_REFRESH) 1550 (void) smf_refresh_instance( 1551 SMBD_DEFAULT_INSTANCE_FMRI); 1552 else if (opt->refresh & SMB_REFRESH_RESTART) 1553 (void) smf_restart_instance( 1554 SMBD_DEFAULT_INSTANCE_FMRI); 1555 1556 out: 1557 if (name != NULL) 1558 sa_free_attr_string(name); 1559 if (value != NULL) 1560 sa_free_attr_string(value); 1561 1562 return (ret); 1563 } 1564 1565 /* 1566 * smb_get_status() 1567 * 1568 * What is the current status of the smbd? We use the SMF state here. 1569 * Caller must free the returned value. 1570 */ 1571 1572 static char * 1573 smb_get_status(void) 1574 { 1575 return (smf_get_state(SMBD_DEFAULT_INSTANCE_FMRI)); 1576 } 1577 1578 /* 1579 * This protocol plugin require resource names 1580 */ 1581 static uint64_t 1582 smb_share_features(void) 1583 { 1584 return (SA_FEATURE_RESOURCE | SA_FEATURE_ALLOWSUBDIRS | 1585 SA_FEATURE_ALLOWPARDIRS | SA_FEATURE_SERVER); 1586 } 1587 1588 /* 1589 * This should be used to convert smb_share_t to sa_resource_t 1590 * Should only be needed to build transient shares/resources to be 1591 * supplied to sharemgr to display. 1592 */ 1593 static int 1594 smb_add_transient(sa_handle_t handle, smb_share_t *si) 1595 { 1596 int err; 1597 sa_share_t share; 1598 sa_group_t group; 1599 sa_resource_t resource; 1600 nvlist_t *nvl; 1601 char *opt; 1602 1603 if (si == NULL) 1604 return (SA_INVALID_NAME); 1605 1606 if ((share = sa_find_share(handle, si->shr_path)) == NULL) { 1607 if ((group = smb_get_defaultgrp(handle)) == NULL) 1608 return (SA_NO_SUCH_GROUP); 1609 1610 share = sa_get_share(group, si->shr_path); 1611 if (share == NULL) { 1612 share = sa_add_share(group, si->shr_path, 1613 SA_SHARE_TRANSIENT, &err); 1614 if (share == NULL) 1615 return (SA_NO_SUCH_PATH); 1616 } 1617 } 1618 1619 /* 1620 * Now handle the resource. Make sure that the resource is 1621 * transient and added to the share. 1622 */ 1623 resource = sa_get_share_resource(share, si->shr_name); 1624 if (resource == NULL) { 1625 resource = sa_add_resource(share, 1626 si->shr_name, SA_SHARE_TRANSIENT, &err); 1627 if (resource == NULL) 1628 return (SA_NO_SUCH_RESOURCE); 1629 } 1630 1631 if (si->shr_cmnt[0] != '\0') 1632 (void) sa_set_resource_description(resource, si->shr_cmnt); 1633 1634 if (si->shr_container[0] != '\0') 1635 (void) sa_set_resource_attr(resource, SHOPT_AD_CONTAINER, 1636 si->shr_container); 1637 1638 if (nvlist_alloc(&nvl, NV_UNIQUE_NAME, 0) != 0) 1639 return (SA_NO_MEMORY); 1640 1641 if ((opt = smb_csc_name(si)) != NULL) 1642 err |= nvlist_add_string(nvl, SHOPT_CSC, opt); 1643 1644 opt = (si->shr_flags & SMB_SHRF_ABE) ? "true" : "false"; 1645 err |= nvlist_add_string(nvl, SHOPT_ABE, opt); 1646 1647 if ((si->shr_flags & SMB_SHRF_AUTOHOME) == 0) { 1648 opt = (si->shr_flags & SMB_SHRF_GUEST_OK) ? "true" : "false"; 1649 err |= nvlist_add_string(nvl, SHOPT_GUEST, opt); 1650 } 1651 1652 if (si->shr_access_ro[0] != '\0') 1653 err |= nvlist_add_string(nvl, SHOPT_RO, si->shr_access_ro); 1654 1655 if (si->shr_access_rw[0] != '\0') 1656 err |= nvlist_add_string(nvl, SHOPT_RW, si->shr_access_rw); 1657 1658 if (si->shr_access_none[0] != '\0') 1659 err |= nvlist_add_string(nvl, SHOPT_NONE, si->shr_access_none); 1660 1661 if (err) { 1662 nvlist_free(nvl); 1663 return (SA_CONFIG_ERR); 1664 } 1665 1666 err = smb_update_optionset_props(handle, resource, nvl); 1667 1668 nvlist_free(nvl); 1669 return (err); 1670 } 1671 1672 /* 1673 * Return smb transient shares. 1674 */ 1675 static int 1676 smb_list_transient(sa_handle_t handle) 1677 { 1678 int i, offset; 1679 smb_shrlist_t list; 1680 int res; 1681 1682 if (smb_share_count() <= 0) 1683 return (SA_OK); 1684 1685 offset = 0; 1686 while (smb_share_list(offset, &list) == NERR_Success) { 1687 if (list.sl_cnt == 0) 1688 break; 1689 1690 for (i = 0; i < list.sl_cnt; i++) { 1691 res = smb_add_transient(handle, &(list.sl_shares[i])); 1692 if (res != SA_OK) 1693 return (res); 1694 } 1695 offset += list.sl_cnt; 1696 } 1697 1698 return (SA_OK); 1699 } 1700 1701 /* 1702 * fix_resource_name(share, name, prefix) 1703 * 1704 * Construct a name where the ZFS dataset has the prefix replaced with "name". 1705 */ 1706 static char * 1707 fix_resource_name(sa_share_t share, char *name, char *prefix) 1708 { 1709 char buf[SA_MAX_RESOURCE_NAME + 1]; 1710 char *dataset; 1711 size_t bufsz = SA_MAX_RESOURCE_NAME + 1; 1712 size_t prelen; 1713 1714 if (prefix == NULL) 1715 return (strdup(name)); 1716 1717 dataset = sa_get_share_attr(share, "dataset"); 1718 if (dataset == NULL) 1719 return (strdup(name)); 1720 1721 (void) strlcpy(buf, name, bufsz); 1722 prelen = strlen(prefix); 1723 1724 if (strncmp(dataset, prefix, prelen) == 0) 1725 (void) strlcat(buf, dataset + prelen, bufsz); 1726 1727 sa_free_attr_string(dataset); 1728 sa_fix_resource_name(buf); 1729 return (strdup(buf)); 1730 } 1731 1732 /* 1733 * smb_parse_optstring(group, options) 1734 * 1735 * parse a compact option string into individual options. This allows 1736 * ZFS sharesmb and sharemgr "share" command to work. group can be a 1737 * group, a share or a resource. 1738 */ 1739 static int 1740 smb_parse_optstring(sa_group_t group, char *options) 1741 { 1742 char *dup; 1743 char *base; 1744 char *lasts; 1745 char *token; 1746 sa_optionset_t optionset; 1747 sa_group_t parent = NULL; 1748 sa_resource_t resource = NULL; 1749 int iszfs = 0; 1750 int persist = 0; 1751 int need_optionset = 0; 1752 int ret = SA_OK; 1753 sa_property_t prop; 1754 1755 /* 1756 * In order to not attempt to change ZFS properties unless 1757 * absolutely necessary, we never do it in the legacy parsing 1758 * so we need to keep track of this. 1759 */ 1760 if (sa_is_share(group)) { 1761 char *zfs; 1762 1763 parent = sa_get_parent_group(group); 1764 if (parent != NULL) { 1765 zfs = sa_get_group_attr(parent, "zfs"); 1766 if (zfs != NULL) { 1767 sa_free_attr_string(zfs); 1768 iszfs = 1; 1769 } 1770 } 1771 } else { 1772 iszfs = sa_group_is_zfs(group); 1773 /* 1774 * If a ZFS group, then we need to see if a resource 1775 * name is being set. If so, bail with 1776 * SA_PROP_SHARE_ONLY, so we come back in with a share 1777 * instead of a group. 1778 */ 1779 if (iszfs || 1780 strncmp(options, "name=", sizeof ("name=") - 1) == 0 || 1781 strstr(options, ",name=") != NULL) { 1782 return (SA_PROP_SHARE_ONLY); 1783 } 1784 } 1785 1786 /* do we have an existing optionset? */ 1787 optionset = sa_get_optionset(group, "smb"); 1788 if (optionset == NULL) { 1789 /* didn't find existing optionset so create one */ 1790 optionset = sa_create_optionset(group, "smb"); 1791 if (optionset == NULL) 1792 return (SA_NO_MEMORY); 1793 } else { 1794 /* 1795 * If an optionset already exists, we've come through 1796 * twice so ignore the second time. 1797 */ 1798 return (ret); 1799 } 1800 1801 /* We need a copy of options for the next part. */ 1802 dup = strdup(options); 1803 if (dup == NULL) 1804 return (SA_NO_MEMORY); 1805 1806 /* 1807 * SMB properties are straightforward and are strings, 1808 * integers or booleans. Properties are separated by 1809 * commas. It will be necessary to parse quotes due to some 1810 * strings not having a restricted characters set. 1811 * 1812 * Note that names will create a resource. For now, if there 1813 * is a set of properties "before" the first name="", those 1814 * properties will be placed on the group. 1815 */ 1816 persist = sa_is_persistent(group); 1817 base = dup; 1818 token = dup; 1819 lasts = NULL; 1820 while (token != NULL && ret == SA_OK) { 1821 ret = SA_OK; 1822 token = strtok_r(base, ",", &lasts); 1823 base = NULL; 1824 if (token != NULL) { 1825 char *value; 1826 /* 1827 * All SMB properties have values so there 1828 * MUST be an '=' character. If it doesn't, 1829 * it is a syntax error. 1830 */ 1831 value = strchr(token, '='); 1832 if (value != NULL) { 1833 *value++ = '\0'; 1834 } else { 1835 ret = SA_SYNTAX_ERR; 1836 break; 1837 } 1838 /* 1839 * We may need to handle a "name" property 1840 * that is a ZFS imposed resource name. Each 1841 * name would trigger getting a new "resource" 1842 * to put properties on. For now, assume no 1843 * "name" property for special handling. 1844 */ 1845 1846 if (strcmp(token, SHOPT_NAME) == 0) { 1847 char *prefix; 1848 char *name = NULL; 1849 /* 1850 * We have a name, so now work on the 1851 * resource level. We have a "share" 1852 * in "group" due to the caller having 1853 * added it. If we are called with a 1854 * group, the check for group/share 1855 * at the beginning of this function 1856 * will bail out the parse if there is a 1857 * "name" but no share. 1858 */ 1859 if (!iszfs) { 1860 ret = SA_SYNTAX_ERR; 1861 break; 1862 } 1863 /* 1864 * Make sure the parent group has the 1865 * "prefix" property since we will 1866 * need to use this for constructing 1867 * inherited name= values. 1868 */ 1869 prefix = sa_get_group_attr(parent, "prefix"); 1870 if (prefix == NULL) { 1871 prefix = sa_get_group_attr(parent, 1872 "name"); 1873 if (prefix != NULL) { 1874 (void) sa_set_group_attr(parent, 1875 "prefix", prefix); 1876 } 1877 } 1878 name = fix_resource_name((sa_share_t)group, 1879 value, prefix); 1880 if (name != NULL) { 1881 resource = sa_add_resource( 1882 (sa_share_t)group, name, 1883 SA_SHARE_TRANSIENT, &ret); 1884 sa_free_attr_string(name); 1885 } else { 1886 ret = SA_NO_MEMORY; 1887 } 1888 if (prefix != NULL) 1889 sa_free_attr_string(prefix); 1890 1891 /* A resource level optionset is needed */ 1892 1893 need_optionset = 1; 1894 if (resource == NULL) { 1895 ret = SA_NO_MEMORY; 1896 break; 1897 } 1898 continue; 1899 } 1900 1901 if (iszfs && strcmp(token, SHOPT_DESCRIPTION) == 0) { 1902 if (resource == NULL) 1903 (void) sa_set_share_description( 1904 (sa_share_t)group, value); 1905 else 1906 (void) sa_set_resource_description( 1907 resource, value); 1908 continue; 1909 } 1910 1911 if (need_optionset) { 1912 optionset = sa_create_optionset(resource, 1913 "smb"); 1914 need_optionset = 0; 1915 } 1916 1917 prop = sa_create_property(token, value); 1918 if (prop == NULL) 1919 ret = SA_NO_MEMORY; 1920 else 1921 ret = sa_add_property(optionset, prop); 1922 if (ret != SA_OK) 1923 break; 1924 if (!iszfs) 1925 ret = sa_commit_properties(optionset, !persist); 1926 } 1927 } 1928 free(dup); 1929 return (ret); 1930 } 1931 1932 /* 1933 * smb_sprint_option(rbuff, rbuffsize, incr, prop, sep) 1934 * 1935 * provides a mechanism to format SMB properties into legacy output 1936 * format. If the buffer would overflow, it is reallocated and grown 1937 * as appropriate. Special cases of converting internal form of values 1938 * to those used by "share" are done. this function does one property 1939 * at a time. 1940 */ 1941 1942 static void 1943 smb_sprint_option(char **rbuff, size_t *rbuffsize, size_t incr, 1944 sa_property_t prop, int sep) 1945 { 1946 char *name; 1947 char *value; 1948 int curlen; 1949 char *buff = *rbuff; 1950 size_t buffsize = *rbuffsize; 1951 1952 name = sa_get_property_attr(prop, "type"); 1953 value = sa_get_property_attr(prop, "value"); 1954 if (buff != NULL) 1955 curlen = strlen(buff); 1956 else 1957 curlen = 0; 1958 if (name != NULL) { 1959 int len; 1960 len = strlen(name) + sep; 1961 1962 /* 1963 * A future RFE would be to replace this with more 1964 * generic code and to possibly handle more types. 1965 * 1966 * For now, everything else is treated as a string. If 1967 * we get any properties that aren't exactly 1968 * name/value pairs, we may need to 1969 * interpret/transform. 1970 */ 1971 if (value != NULL) 1972 len += 1 + strlen(value); 1973 1974 while (buffsize <= (curlen + len)) { 1975 /* need more room */ 1976 buffsize += incr; 1977 buff = realloc(buff, buffsize); 1978 *rbuff = buff; 1979 *rbuffsize = buffsize; 1980 if (buff == NULL) { 1981 /* realloc failed so free everything */ 1982 if (*rbuff != NULL) 1983 free(*rbuff); 1984 goto err; 1985 } 1986 } 1987 if (buff == NULL) 1988 goto err; 1989 (void) snprintf(buff + curlen, buffsize - curlen, 1990 "%s%s=%s", sep ? "," : "", 1991 name, value != NULL ? value : "\"\""); 1992 1993 } 1994 err: 1995 if (name != NULL) 1996 sa_free_attr_string(name); 1997 if (value != NULL) 1998 sa_free_attr_string(value); 1999 } 2000 2001 /* 2002 * smb_format_resource_options(resource, hier) 2003 * 2004 * format all the options on the group into a flattened option 2005 * string. If hier is non-zero, walk up the tree to get inherited 2006 * options. 2007 */ 2008 2009 static char * 2010 smb_format_options(sa_group_t group, int hier) 2011 { 2012 sa_optionset_t options = NULL; 2013 sa_property_t prop; 2014 int sep = 0; 2015 char *buff; 2016 size_t buffsize; 2017 2018 2019 buff = malloc(OPT_CHUNK); 2020 if (buff == NULL) 2021 return (NULL); 2022 2023 buff[0] = '\0'; 2024 buffsize = OPT_CHUNK; 2025 2026 /* 2027 * We may have a an optionset relative to this item. format 2028 * these if we find them and then add any security definitions. 2029 */ 2030 2031 options = sa_get_derived_optionset(group, "smb", hier); 2032 2033 /* 2034 * do the default set first but skip any option that is also 2035 * in the protocol specific optionset. 2036 */ 2037 if (options != NULL) { 2038 for (prop = sa_get_property(options, NULL); 2039 prop != NULL; prop = sa_get_next_property(prop)) { 2040 /* 2041 * use this one since we skipped any 2042 * of these that were also in 2043 * optdefault 2044 */ 2045 smb_sprint_option(&buff, &buffsize, OPT_CHUNK, 2046 prop, sep); 2047 if (buff == NULL) { 2048 /* 2049 * buff could become NULL if there 2050 * isn't enough memory for 2051 * smb_sprint_option to realloc() 2052 * as necessary. We can't really 2053 * do anything about it at this 2054 * point so we return NULL. The 2055 * caller should handle the 2056 * failure. 2057 */ 2058 if (options != NULL) 2059 sa_free_derived_optionset( 2060 options); 2061 return (buff); 2062 } 2063 sep = 1; 2064 } 2065 } 2066 2067 if (options != NULL) 2068 sa_free_derived_optionset(options); 2069 return (buff); 2070 } 2071 2072 /* 2073 * smb_rename_resource(resource, newname) 2074 * 2075 * Change the current exported name of the resource to newname. 2076 */ 2077 /*ARGSUSED*/ 2078 int 2079 smb_rename_resource(sa_handle_t handle, sa_resource_t resource, char *newname) 2080 { 2081 int ret = SA_OK; 2082 int err; 2083 char *oldname; 2084 2085 if (!smb_isonline()) 2086 return (SA_OK); 2087 2088 oldname = sa_get_resource_attr(resource, "name"); 2089 if (oldname == NULL) 2090 return (SA_NO_SUCH_RESOURCE); 2091 2092 err = smb_share_rename(oldname, newname); 2093 2094 sa_free_attr_string(oldname); 2095 2096 /* improve error values somewhat */ 2097 switch (err) { 2098 case NERR_Success: 2099 break; 2100 case NERR_InternalError: 2101 ret = SA_SYSTEM_ERR; 2102 break; 2103 case NERR_DuplicateShare: 2104 ret = SA_DUPLICATE_NAME; 2105 break; 2106 default: 2107 ret = SA_CONFIG_ERR; 2108 break; 2109 } 2110 2111 return (ret); 2112 } 2113 2114 static int 2115 smb_build_shareinfo(sa_share_t share, sa_resource_t resource, smb_share_t *si) 2116 { 2117 sa_optionset_t opts; 2118 char *path; 2119 char *rname; 2120 char *val = NULL; 2121 char csc_value[SMB_CSC_BUFSZ]; 2122 char strbuf[sizeof ("required")]; 2123 2124 bzero(si, sizeof (smb_share_t)); 2125 2126 if ((path = sa_get_share_attr(share, "path")) == NULL) 2127 return (SA_NO_SUCH_PATH); 2128 2129 if ((rname = sa_get_resource_attr(resource, "name")) == NULL) { 2130 sa_free_attr_string(path); 2131 return (SA_NO_SUCH_RESOURCE); 2132 } 2133 2134 (void) strlcpy(si->shr_path, path, sizeof (si->shr_path)); 2135 (void) strlcpy(si->shr_name, rname, sizeof (si->shr_name)); 2136 sa_free_attr_string(path); 2137 sa_free_attr_string(rname); 2138 2139 val = sa_get_resource_description(resource); 2140 if (val == NULL) 2141 val = sa_get_share_description(share); 2142 2143 if (val != NULL) { 2144 (void) strlcpy(si->shr_cmnt, val, sizeof (si->shr_cmnt)); 2145 sa_free_share_description(val); 2146 } 2147 2148 si->shr_flags = (sa_is_persistent(share)) 2149 ? SMB_SHRF_PERM : SMB_SHRF_TRANS; 2150 2151 opts = sa_get_derived_optionset(resource, SMB_PROTOCOL_NAME, 1); 2152 if (opts == NULL) 2153 return (SA_OK); 2154 2155 if (smb_saprop_getbool(opts, SHOPT_CATIA, B_FALSE)) 2156 si->shr_flags |= SMB_SHRF_CATIA; 2157 2158 if (smb_saprop_getbool(opts, SHOPT_ABE, B_FALSE)) 2159 si->shr_flags |= SMB_SHRF_ABE; 2160 2161 if (smb_saprop_getbool(opts, SHOPT_GUEST, B_FALSE)) 2162 si->shr_flags |= SMB_SHRF_GUEST_OK; 2163 2164 if (smb_saprop_getbool(opts, SHOPT_DFSROOT, B_FALSE)) 2165 si->shr_flags |= SMB_SHRF_DFSROOT; 2166 2167 if (smb_saprop_getbool(opts, SHOPT_CA, B_FALSE)) 2168 si->shr_flags |= SMB_SHRF_CA; 2169 2170 if (smb_saprop_getbool(opts, SHOPT_FSO, B_FALSE)) 2171 si->shr_flags |= SMB_SHRF_FSO; 2172 2173 /* Quotas are enabled by default. */ 2174 if (smb_saprop_getbool(opts, SHOPT_QUOTAS, B_TRUE)) 2175 si->shr_flags |= SMB_SHRF_QUOTAS; 2176 2177 if (smb_saprop_getstr(opts, SHOPT_ENCRYPT, strbuf, sizeof (strbuf))) 2178 smb_cfg_set_require(strbuf, &si->shr_encrypt); 2179 2180 (void) smb_saprop_getstr(opts, SHOPT_AD_CONTAINER, si->shr_container, 2181 sizeof (si->shr_container)); 2182 2183 if (smb_saprop_getstr(opts, SHOPT_CSC, csc_value, sizeof (csc_value))) 2184 smb_csc_option(csc_value, si); 2185 2186 if (smb_saprop_getstr(opts, SHOPT_RO, si->shr_access_ro, 2187 sizeof (si->shr_access_ro))) 2188 si->shr_flags |= SMB_SHRF_ACC_RO; 2189 2190 if (smb_saprop_getstr(opts, SHOPT_RW, si->shr_access_rw, 2191 sizeof (si->shr_access_rw))) 2192 si->shr_flags |= SMB_SHRF_ACC_RW; 2193 2194 if (smb_saprop_getstr(opts, SHOPT_NONE, si->shr_access_none, 2195 sizeof (si->shr_access_none))) 2196 si->shr_flags |= SMB_SHRF_ACC_NONE; 2197 2198 sa_free_derived_optionset(opts); 2199 return (SA_OK); 2200 } 2201 2202 /* 2203 * Map a client-side caching (CSC) option to the appropriate share 2204 * flag. Only one option is allowed; an error will be logged if 2205 * multiple options have been specified. We don't need to do anything 2206 * about multiple values here because the SRVSVC will not recognize 2207 * a value containing multiple flags and will return the default value. 2208 * 2209 * If the option value is not recognized, it will be ignored: invalid 2210 * values will typically be caught and rejected by sharemgr. 2211 */ 2212 static void 2213 smb_csc_option(const char *value, smb_share_t *si) 2214 { 2215 char buf[SMB_CSC_BUFSZ]; 2216 int i; 2217 2218 for (i = 0; i < (sizeof (cscopt) / sizeof (cscopt[0])); ++i) { 2219 if (strcasecmp(value, cscopt[i].value) == 0) { 2220 si->shr_flags |= cscopt[i].flag; 2221 break; 2222 } 2223 } 2224 2225 switch (si->shr_flags & SMB_SHRF_CSC_MASK) { 2226 case 0: 2227 case SMB_SHRF_CSC_DISABLED: 2228 case SMB_SHRF_CSC_MANUAL: 2229 case SMB_SHRF_CSC_AUTO: 2230 case SMB_SHRF_CSC_VDO: 2231 break; 2232 2233 default: 2234 buf[0] = '\0'; 2235 2236 for (i = 0; i < (sizeof (cscopt) / sizeof (cscopt[0])); ++i) { 2237 if (si->shr_flags & cscopt[i].flag) { 2238 (void) strlcat(buf, " ", SMB_CSC_BUFSZ); 2239 (void) strlcat(buf, cscopt[i].value, 2240 SMB_CSC_BUFSZ); 2241 } 2242 } 2243 2244 syslog(LOG_ERR, "csc option conflict:%s", buf); 2245 break; 2246 } 2247 } 2248 2249 /* 2250 * Return the option name for the first CSC flag (there should be only 2251 * one) encountered in the share flags. 2252 */ 2253 static char * 2254 smb_csc_name(const smb_share_t *si) 2255 { 2256 int i; 2257 2258 for (i = 0; i < (sizeof (cscopt) / sizeof (cscopt[0])); ++i) { 2259 if (si->shr_flags & cscopt[i].flag) 2260 return (cscopt[i].value); 2261 } 2262 2263 return (NULL); 2264 } 2265 2266 /* 2267 * smb_get_defaultgrp 2268 * 2269 * If default group for CIFS shares (i.e. "smb") exists 2270 * then it will return the group handle, otherwise it will 2271 * create the group and return the handle. 2272 * 2273 * All the shares created by CIFS clients (this is only possible 2274 * via RPC) will be added to "smb" groups. 2275 */ 2276 static sa_group_t 2277 smb_get_defaultgrp(sa_handle_t handle) 2278 { 2279 sa_group_t group = NULL; 2280 int err; 2281 2282 group = sa_get_group(handle, SMB_DEFAULT_SHARE_GROUP); 2283 if (group != NULL) 2284 return (group); 2285 2286 group = sa_create_group(handle, SMB_DEFAULT_SHARE_GROUP, &err); 2287 if (group == NULL) 2288 return (NULL); 2289 2290 if (sa_create_optionset(group, SMB_DEFAULT_SHARE_GROUP) == NULL) { 2291 (void) sa_remove_group(group); 2292 group = NULL; 2293 } 2294 2295 return (group); 2296 } 2297 2298 /* 2299 * Checks to see if the command args are the supported substitution specifier. 2300 * i.e. <cmd> %U %S 2301 */ 2302 static int 2303 cmd_validator(int index, char *value) 2304 { 2305 char cmd[MAXPATHLEN]; 2306 char *ptr, *v; 2307 boolean_t skip_cmdname; 2308 2309 if (string_length_check_validator(index, value) != SA_OK) 2310 return (SA_BAD_VALUE); 2311 2312 if (*value == '\0') 2313 return (SA_OK); 2314 2315 (void) strlcpy(cmd, value, sizeof (cmd)); 2316 2317 ptr = cmd; 2318 skip_cmdname = B_TRUE; 2319 do { 2320 if ((v = strsep(&ptr, " ")) == NULL) 2321 break; 2322 2323 if (*v != '\0') { 2324 2325 if (skip_cmdname) { 2326 skip_cmdname = B_FALSE; 2327 continue; 2328 } 2329 2330 if ((strlen(v) != 2) || *v != '%') 2331 return (SA_BAD_VALUE); 2332 2333 if (strpbrk(v, SMB_VALID_SUB_CHRS) == NULL) 2334 return (SA_BAD_VALUE); 2335 } 2336 2337 } while (v != NULL); 2338 2339 /* 2340 * If skip_cmdname is still true then the string contains 2341 * only spaces. Don't allow such a string. 2342 */ 2343 if (skip_cmdname) 2344 return (SA_BAD_VALUE); 2345 2346 return (SA_OK); 2347 } 2348 2349 /*ARGSUSED*/ 2350 static int 2351 disposition_validator(int index, char *value) 2352 { 2353 if (value == NULL) 2354 return (SA_BAD_VALUE); 2355 2356 if (*value == '\0') 2357 return (SA_OK); 2358 2359 if ((strcasecmp(value, SMB_EXEC_DISP_CONTINUE) == 0) || 2360 (strcasecmp(value, SMB_EXEC_DISP_TERMINATE) == 0)) 2361 return (SA_OK); 2362 2363 return (SA_BAD_VALUE); 2364 } 2365 2366 static int 2367 protocol_validator(int index, char *value) 2368 { 2369 struct smb_proto_option_defs *opt; 2370 smb_cfg_val_t encrypt; 2371 uint32_t max; 2372 uint32_t min; 2373 uint32_t val; 2374 2375 if (value == NULL) 2376 return (SA_BAD_VALUE); 2377 2378 /* Allow setting back to empty (use defaults) */ 2379 if (*value == '\0') 2380 return (SA_OK); 2381 2382 val = smb_convert_version_str(value); 2383 if (val == 0) 2384 return (SA_BAD_VALUE); 2385 2386 /* 2387 * We don't want people who care enough about protecting their data 2388 * by requiring encryption to accidentally expose their data by 2389 * lowering the max protocol, so prevent them from going below 3.0 2390 * if encryption is required. 2391 * Also, ensure that max_protocol >= min_protocol. 2392 */ 2393 opt = &smb_proto_options[index]; 2394 switch (opt->smb_index) { 2395 2396 case SMB_CI_MAX_PROTOCOL: 2397 2398 encrypt = smb_config_get_require(SMB_CI_ENCRYPT); 2399 if (encrypt == SMB_CONFIG_REQUIRED && val < SMB_VERS_3_0) { 2400 syslog(LOG_ERR, "Cannot set smbd/max_protocol below 3.0" 2401 " while smbd/encrypt == required."); 2402 return (SA_VALUE_CONFLICT); 2403 } 2404 min = smb_config_get_min_protocol(); 2405 if (val < min) { 2406 syslog(LOG_ERR, "Cannot set smbd/max_protocol to less" 2407 " than smbd/min_protocol."); 2408 return (SA_VALUE_CONFLICT); 2409 } 2410 break; 2411 2412 case SMB_CI_MIN_PROTOCOL: 2413 2414 max = smb_config_get_max_protocol(); 2415 if (val > max) { 2416 syslog(LOG_ERR, "Cannot set smbd/min_protocol to more" 2417 " than smbd/max_protocol."); 2418 return (SA_VALUE_CONFLICT); 2419 } 2420 break; 2421 2422 default: 2423 syslog(LOG_ERR, "Unexpected smb protocol validator index %d", 2424 opt->smb_index); 2425 return (SA_BAD_VALUE); 2426 } 2427 2428 return (SA_OK); 2429 } 2430 2431 /* 2432 * Updates the optionset properties of the share resource. 2433 * The properties are given as a list of name-value pair. 2434 * The name argument should be the optionset property name and the value 2435 * should be a valid value for the specified property. 2436 * 2437 * When calling this function for permanent shares, the caller must also 2438 * call sa_commit_properties() to commit the changes to SMF. 2439 */ 2440 static int 2441 smb_update_optionset_props(sa_handle_t handle, sa_resource_t resource, 2442 nvlist_t *nvl) 2443 { 2444 sa_property_t prop; 2445 sa_optionset_t opts; 2446 int err = SA_OK; 2447 nvpair_t *cur; 2448 char *name, *val; 2449 2450 if ((opts = sa_get_optionset(resource, SMB_PROTOCOL_NAME)) == NULL) { 2451 opts = sa_create_optionset(resource, SMB_PROTOCOL_NAME); 2452 if (opts == NULL) 2453 return (SA_CONFIG_ERR); 2454 } 2455 2456 cur = nvlist_next_nvpair(nvl, NULL); 2457 while (cur != NULL) { 2458 name = nvpair_name(cur); 2459 err = nvpair_value_string(cur, &val); 2460 if ((err != 0) || (name == NULL) || (val == NULL)) { 2461 err = SA_CONFIG_ERR; 2462 break; 2463 } 2464 2465 prop = NULL; 2466 if ((prop = sa_get_property(opts, name)) == NULL) { 2467 prop = sa_create_property(name, val); 2468 if (prop != NULL) { 2469 err = sa_valid_property(handle, opts, 2470 SMB_PROTOCOL_NAME, prop); 2471 if (err != SA_OK) { 2472 (void) sa_remove_property(prop); 2473 break; 2474 } 2475 } 2476 err = sa_add_property(opts, prop); 2477 if (err != SA_OK) 2478 break; 2479 } else { 2480 err = sa_update_property(prop, val); 2481 if (err != SA_OK) 2482 break; 2483 } 2484 2485 cur = nvlist_next_nvpair(nvl, cur); 2486 } 2487 2488 return (err); 2489 } 2490 2491 static boolean_t 2492 smb_saprop_getbool(sa_optionset_t opts, char *propname, boolean_t def) 2493 { 2494 sa_property_t prop; 2495 char *val; 2496 boolean_t ret = def; 2497 2498 prop = sa_get_property(opts, propname); 2499 if ((val = sa_get_property_attr(prop, "value")) != NULL) { 2500 if (def) { 2501 /* Default is true, ret false if... */ 2502 if ((strcasecmp(val, "false") == 0) || 2503 (strcmp(val, "0") == 0)) 2504 ret = B_FALSE; 2505 } else { 2506 /* Default is false, ret true if... */ 2507 if ((strcasecmp(val, "true") == 0) || 2508 (strcmp(val, "1") == 0)) 2509 ret = B_TRUE; 2510 } 2511 free(val); 2512 } 2513 2514 return (ret); 2515 } 2516 2517 static boolean_t 2518 smb_saprop_getstr(sa_optionset_t opts, char *propname, char *buf, size_t bufsz) 2519 { 2520 sa_property_t prop; 2521 char *val; 2522 2523 prop = sa_get_property(opts, propname); 2524 if ((val = sa_get_property_attr(prop, "value")) != NULL) { 2525 (void) strlcpy(buf, val, bufsz); 2526 free(val); 2527 return (B_TRUE); 2528 } 2529 2530 return (B_FALSE); 2531 } 2532