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 static int ciphers_validator(int, char *); 91 92 static int smb_enable_resource(sa_resource_t); 93 static int smb_disable_resource(sa_resource_t); 94 static uint64_t smb_share_features(void); 95 static int smb_list_transient(sa_handle_t); 96 97 static int smb_build_shareinfo(sa_share_t, sa_resource_t, smb_share_t *); 98 static void smb_csc_option(const char *, smb_share_t *); 99 static char *smb_csc_name(const smb_share_t *); 100 static sa_group_t smb_get_defaultgrp(sa_handle_t); 101 static int interface_validator(int, char *); 102 static int smb_update_optionset_props(sa_handle_t, sa_resource_t, nvlist_t *); 103 104 static boolean_t smb_saprop_getbool(sa_optionset_t, char *, boolean_t); 105 static boolean_t smb_saprop_getstr(sa_optionset_t, char *, char *, size_t); 106 107 static struct { 108 char *value; 109 uint32_t flag; 110 } cscopt[] = { 111 { "disabled", SMB_SHRF_CSC_DISABLED }, 112 { "manual", SMB_SHRF_CSC_MANUAL }, 113 { "auto", SMB_SHRF_CSC_AUTO }, 114 { "vdo", SMB_SHRF_CSC_VDO } 115 }; 116 117 /* size of basic format allocation */ 118 #define OPT_CHUNK 1024 119 120 /* size of string for types - big enough to hold "dependency" */ 121 #define SCFTYPE_LEN 32 122 123 /* 124 * Indexes of entries in smb_proto_options table. 125 * Changes to smb_proto_options table may require 126 * an update to these values. 127 */ 128 #define PROTO_OPT_WINS1 6 129 #define PROTO_OPT_WINS_EXCLUDE 8 130 131 typedef struct smb_hostifs_walker { 132 const char *hiw_ifname; 133 boolean_t hiw_matchfound; 134 } smb_hostifs_walker_t; 135 136 137 /* 138 * ops vector that provides the protocol specific info and operations 139 * for share management. 140 */ 141 142 struct sa_plugin_ops sa_plugin_ops = { 143 SA_PLUGIN_VERSION, 144 SMB_PROTOCOL_NAME, 145 smb_share_init, 146 smb_share_fini, 147 smb_enable_share, 148 smb_disable_share, 149 smb_validate_property, 150 NULL, /* valid_space */ 151 NULL, /* security_prop */ 152 smb_parse_optstring, 153 smb_format_options, 154 smb_set_proto_prop, 155 smb_get_proto_set, 156 smb_get_status, 157 NULL, /* space_alias */ 158 NULL, /* update_legacy */ 159 NULL, /* delete_legacy */ 160 smb_share_changed, 161 smb_enable_resource, 162 smb_disable_resource, 163 smb_share_features, 164 smb_list_transient, 165 smb_resource_changed, 166 smb_rename_resource, 167 NULL, /* run_command */ 168 NULL, /* command_help */ 169 NULL /* delete_proto_section */ 170 }; 171 172 struct option_defs optdefs[] = { 173 { SHOPT_AD_CONTAINER, OPT_TYPE_STRING }, 174 { SHOPT_ABE, OPT_TYPE_BOOLEAN }, 175 { SHOPT_NAME, OPT_TYPE_NAME }, 176 { SHOPT_RO, OPT_TYPE_ACCLIST }, 177 { SHOPT_RW, OPT_TYPE_ACCLIST }, 178 { SHOPT_NONE, OPT_TYPE_ACCLIST }, 179 { SHOPT_CATIA, OPT_TYPE_BOOLEAN }, 180 { SHOPT_CSC, OPT_TYPE_CSC }, 181 { SHOPT_GUEST, OPT_TYPE_BOOLEAN }, 182 { SHOPT_DFSROOT, OPT_TYPE_BOOLEAN }, 183 { SHOPT_DESCRIPTION, OPT_TYPE_STRING }, 184 { SHOPT_CA, OPT_TYPE_BOOLEAN }, 185 { SHOPT_FSO, OPT_TYPE_BOOLEAN }, 186 { SHOPT_QUOTAS, OPT_TYPE_BOOLEAN }, 187 { SHOPT_ENCRYPT, OPT_TYPE_STRING }, 188 { NULL, 0 } 189 }; 190 191 /* 192 * findopt(name) 193 * 194 * Lookup option "name" in the option table and return the table 195 * index. 196 */ 197 static int 198 findopt(char *name) 199 { 200 int i; 201 if (name != NULL) { 202 for (i = 0; optdefs[i].tag != NULL; i++) { 203 if (strcmp(optdefs[i].tag, name) == 0) 204 return (i); 205 } 206 } 207 return (-1); 208 } 209 210 /* 211 * is_a_number(number) 212 * 213 * is the string a number in one of the forms we want to use? 214 */ 215 static boolean_t 216 is_a_number(char *number) 217 { 218 boolean_t isnum = B_TRUE; 219 boolean_t ishex = B_FALSE; 220 221 if (number == NULL || *number == '\0') 222 return (B_FALSE); 223 224 if (strncasecmp(number, "0x", 2) == 0) { 225 number += 2; 226 ishex = B_TRUE; 227 } else if (*number == '-') { 228 number++; 229 } 230 231 while (isnum && (*number != '\0')) { 232 isnum = (ishex) ? isxdigit(*number) : isdigit(*number); 233 number++; 234 } 235 236 return (isnum); 237 } 238 239 /* 240 * check ro vs rw values. Over time this may get beefed up. 241 * for now it just does simple checks. 242 */ 243 244 static int 245 check_rorw(char *v1, char *v2) 246 { 247 int ret = SA_OK; 248 if (strcmp(v1, v2) == 0) 249 ret = SA_VALUE_CONFLICT; 250 return (ret); 251 } 252 253 /* 254 * validresource(name) 255 * 256 * Check that name only has valid characters in it. The current valid 257 * set are the printable characters but not including: 258 * " / \ [ ] : | < > + ; , ? * = \t 259 * Note that space is included and there is a maximum length. 260 */ 261 static boolean_t 262 validresource(const char *name) 263 { 264 const char *cp; 265 size_t len; 266 267 if (name == NULL) 268 return (B_FALSE); 269 270 len = strlen(name); 271 if (len == 0 || len > SA_MAX_RESOURCE_NAME) 272 return (B_FALSE); 273 274 if (strpbrk(name, "\"/\\[]:|<>+;,?*=\t") != NULL) { 275 return (B_FALSE); 276 } 277 278 for (cp = name; *cp != '\0'; cp++) 279 if (iscntrl(*cp)) 280 return (B_FALSE); 281 282 return (B_TRUE); 283 } 284 285 /* 286 * Check that the client-side caching (CSC) option value is valid. 287 */ 288 static boolean_t 289 validcsc(const char *value) 290 { 291 int i; 292 293 for (i = 0; i < (sizeof (cscopt) / sizeof (cscopt[0])); ++i) { 294 if (strcasecmp(value, cscopt[i].value) == 0) 295 return (B_TRUE); 296 } 297 298 return (B_FALSE); 299 } 300 301 /* 302 * smb_isonline() 303 * 304 * Determine if the SMF service instance is in the online state or 305 * not. A number of operations depend on this state. 306 */ 307 static boolean_t 308 smb_isonline(void) 309 { 310 char *str; 311 boolean_t ret = B_FALSE; 312 313 if ((str = smf_get_state(SMBD_DEFAULT_INSTANCE_FMRI)) != NULL) { 314 ret = (strcmp(str, SCF_STATE_STRING_ONLINE) == 0); 315 free(str); 316 } 317 return (ret); 318 } 319 320 /* 321 * smb_isdisabled() 322 * 323 * Determine if the SMF service instance is in the disabled state or 324 * not. A number of operations depend on this state. 325 */ 326 static boolean_t 327 smb_isdisabled(void) 328 { 329 char *str; 330 boolean_t ret = B_FALSE; 331 332 if ((str = smf_get_state(SMBD_DEFAULT_INSTANCE_FMRI)) != NULL) { 333 ret = (strcmp(str, SCF_STATE_STRING_DISABLED) == 0); 334 free(str); 335 } 336 return (ret); 337 } 338 339 /* 340 * smb_isautoenable() 341 * 342 * Determine if the SMF service instance auto_enabled set or not. A 343 * number of operations depend on this state. The property not being 344 * set or being set to true means autoenable. Only being set to false 345 * is not autoenabled. 346 */ 347 static boolean_t 348 smb_isautoenable(void) 349 { 350 boolean_t ret = B_TRUE; 351 scf_simple_prop_t *prop; 352 uint8_t *retstr; 353 354 prop = scf_simple_prop_get(NULL, SMBD_DEFAULT_INSTANCE_FMRI, 355 "application", "auto_enable"); 356 if (prop != NULL) { 357 retstr = scf_simple_prop_next_boolean(prop); 358 ret = *retstr != 0; 359 scf_simple_prop_free(prop); 360 } 361 return (ret); 362 } 363 364 /* 365 * smb_ismaint() 366 * 367 * Determine if the SMF service instance is in the disabled state or 368 * not. A number of operations depend on this state. 369 */ 370 static boolean_t 371 smb_ismaint(void) 372 { 373 char *str; 374 boolean_t ret = B_FALSE; 375 376 if ((str = smf_get_state(SMBD_DEFAULT_INSTANCE_FMRI)) != NULL) { 377 ret = (strcmp(str, SCF_STATE_STRING_MAINT) == 0); 378 free(str); 379 } 380 return (ret); 381 } 382 383 /* 384 * smb_enable_share tells the implementation that it is to enable the share. 385 * This entails converting the path and options into the appropriate ioctl 386 * calls. It is assumed that all error checking of paths, etc. were 387 * done earlier. 388 */ 389 static int 390 smb_enable_share(sa_share_t share) 391 { 392 char *path; 393 smb_share_t si; 394 sa_resource_t resource; 395 boolean_t iszfs; 396 int err = SA_OK; 397 boolean_t online; 398 399 /* 400 * Don't support Trusted Extensions. 401 */ 402 if (is_system_labeled()) { 403 (void) printf(dgettext(TEXT_DOMAIN, 404 "SMB: service not supported with Trusted Extensions\n")); 405 return (SA_NOT_SUPPORTED); 406 } 407 408 /* get the path since it is important in several places */ 409 path = sa_get_share_attr(share, "path"); 410 if (path == NULL) 411 return (SA_NO_SUCH_PATH); 412 413 /* 414 * If administratively disabled, don't try to start anything. 415 */ 416 online = smb_isonline(); 417 if (!online && !smb_isautoenable() && smb_isdisabled()) 418 goto done; 419 420 iszfs = sa_path_is_zfs(path); 421 422 if (!online) { 423 err = smb_enable_service(); 424 if (err != SA_OK) { 425 (void) printf(dgettext(TEXT_DOMAIN, 426 "SMB: Unable to enable service\n")); 427 } else { 428 online = B_TRUE; 429 } 430 } 431 432 /* 433 * Don't bother trying to start shares if the service isn't 434 * running. 435 */ 436 if (!online) 437 goto done; 438 439 /* Each share can have multiple resources */ 440 for (resource = sa_get_share_resource(share, NULL); 441 resource != NULL; 442 resource = sa_get_next_resource(resource)) { 443 err = smb_build_shareinfo(share, resource, &si); 444 if (err != SA_OK) { 445 sa_free_attr_string(path); 446 return (err); 447 } 448 449 if (!iszfs) { 450 err = smb_share_create(&si); 451 } else { 452 share_t sh; 453 454 (void) sa_sharetab_fill_zfs(share, &sh, "smb"); 455 err = sa_share_zfs(share, resource, (char *)path, &sh, 456 &si, ZFS_SHARE_SMB); 457 if (err != SA_OK) { 458 errno = err; 459 err = -1; 460 } 461 sa_emptyshare(&sh); 462 } 463 } 464 if (!iszfs) 465 (void) sa_update_sharetab(share, "smb"); 466 done: 467 sa_free_attr_string(path); 468 469 return (err == NERR_DuplicateShare ? 0 : err); 470 } 471 472 /* 473 * This is the share for CIFS all shares have resource names. 474 * Enable tells the smb server to update its hash. If it fails 475 * because smb server is down, we just ignore as smb server loads 476 * the resources from sharemanager at startup. 477 */ 478 479 static int 480 smb_enable_resource(sa_resource_t resource) 481 { 482 sa_share_t share; 483 smb_share_t si; 484 int ret = SA_OK; 485 int err; 486 boolean_t isonline; 487 488 share = sa_get_resource_parent(resource); 489 if (share == NULL) 490 return (SA_NO_SUCH_PATH); 491 492 /* 493 * If administratively disabled, don't try to start anything. 494 */ 495 isonline = smb_isonline(); 496 if (!isonline && !smb_isautoenable() && smb_isdisabled()) 497 return (SA_OK); 498 499 if (!isonline) { 500 (void) smb_enable_service(); 501 502 if (!smb_isonline()) 503 return (SA_OK); 504 } 505 506 if ((ret = smb_build_shareinfo(share, resource, &si)) != SA_OK) 507 return (ret); 508 509 /* 510 * Attempt to add the share. Any error that occurs if it was 511 * online is an error but don't count NERR_DuplicateName if 512 * smb/server had to be brought online since bringing the 513 * service up will enable the share that was just added prior 514 * to the attempt to enable. 515 */ 516 err = smb_share_create(&si); 517 if (err == NERR_Success || !(!isonline && err == NERR_DuplicateName)) 518 (void) sa_update_sharetab(share, "smb"); 519 else 520 return (SA_NOT_SHARED); 521 522 return (SA_OK); 523 } 524 525 /* 526 * Remove it from smb server hash. 527 */ 528 static int 529 smb_disable_resource(sa_resource_t resource) 530 { 531 char *rname; 532 uint32_t res; 533 sa_share_t share; 534 535 rname = sa_get_resource_attr(resource, "name"); 536 if (rname == NULL) 537 return (SA_NO_SUCH_RESOURCE); 538 539 if (smb_isonline()) { 540 res = smb_share_delete(rname); 541 if (res != NERR_Success && 542 res != NERR_NetNameNotFound) { 543 sa_free_attr_string(rname); 544 return (SA_CONFIG_ERR); 545 } 546 } 547 548 sa_free_attr_string(rname); 549 550 share = sa_get_resource_parent(resource); 551 if (share != NULL) { 552 rname = sa_get_share_attr(share, "path"); 553 if (rname != NULL) { 554 sa_handle_t handle; 555 556 handle = sa_find_group_handle((sa_group_t)resource); 557 (void) sa_delete_sharetab(handle, rname, "smb"); 558 sa_free_attr_string(rname); 559 } 560 } 561 /* 562 * Always return OK as smb/server may be down and 563 * Shares will be picked up when loaded. 564 */ 565 return (SA_OK); 566 } 567 568 /* 569 * smb_share_changed(sa_share_t share) 570 * 571 * The specified share has changed. 572 */ 573 static int 574 smb_share_changed(sa_share_t share) 575 { 576 char *path; 577 sa_resource_t resource; 578 579 if (!smb_isonline()) 580 return (SA_OK); 581 582 /* get the path since it is important in several places */ 583 path = sa_get_share_attr(share, "path"); 584 if (path == NULL) 585 return (SA_NO_SUCH_PATH); 586 587 for (resource = sa_get_share_resource(share, NULL); 588 resource != NULL; 589 resource = sa_get_next_resource(resource)) 590 (void) smb_resource_changed(resource); 591 592 sa_free_attr_string(path); 593 594 return (SA_OK); 595 } 596 597 /* 598 * smb_resource_changed(sa_resource_t resource) 599 * 600 * The specified resource has changed. 601 */ 602 static int 603 smb_resource_changed(sa_resource_t resource) 604 { 605 uint32_t res; 606 sa_share_t share; 607 smb_share_t si; 608 609 if (!smb_isonline()) 610 return (SA_OK); 611 612 if ((share = sa_get_resource_parent(resource)) == NULL) 613 return (SA_CONFIG_ERR); 614 615 if ((res = smb_build_shareinfo(share, resource, &si)) != SA_OK) 616 return (res); 617 618 res = smb_share_modify(&si); 619 620 if (res != NERR_Success) 621 return (SA_CONFIG_ERR); 622 623 return (smb_enable_service()); 624 } 625 626 /* 627 * smb_disable_share(sa_share_t share, char *path) 628 * 629 * Unshare the specified share. Note that "path" is the same 630 * path as what is in the "share" object. It is passed in to avoid an 631 * additional lookup. A missing "path" value makes this a no-op 632 * function. 633 */ 634 static int 635 smb_disable_share(sa_share_t share, char *path) 636 { 637 char *rname; 638 sa_resource_t resource; 639 sa_group_t parent; 640 boolean_t iszfs; 641 int err = SA_OK; 642 int ret = SA_OK; 643 sa_handle_t handle; 644 boolean_t first = B_TRUE; /* work around sharetab issue */ 645 646 if (path == NULL) 647 return (ret); 648 649 /* 650 * If the share is in a ZFS group we need to handle it 651 * differently. Just being on a ZFS file system isn't 652 * enough since we may be in a legacy share case. 653 */ 654 parent = sa_get_parent_group(share); 655 iszfs = sa_group_is_zfs(parent); 656 657 if (!smb_isonline()) 658 goto done; 659 660 for (resource = sa_get_share_resource(share, NULL); 661 resource != NULL; 662 resource = sa_get_next_resource(resource)) { 663 rname = sa_get_resource_attr(resource, "name"); 664 if (rname == NULL) { 665 continue; 666 } 667 if (!iszfs) { 668 err = smb_share_delete(rname); 669 switch (err) { 670 case NERR_NetNameNotFound: 671 case NERR_Success: 672 err = SA_OK; 673 break; 674 default: 675 err = SA_CONFIG_ERR; 676 break; 677 } 678 } else { 679 share_t sh; 680 681 (void) sa_sharetab_fill_zfs(share, &sh, "smb"); 682 err = sa_share_zfs(share, resource, (char *)path, &sh, 683 rname, ZFS_UNSHARE_SMB); 684 if (err != SA_OK) { 685 switch (err) { 686 case EINVAL: 687 case ENOENT: 688 err = SA_OK; 689 break; 690 default: 691 /* 692 * If we are no longer the first case, 693 * we don't care about the sa_share_zfs 694 * err if it is -1. This works around 695 * a problem in sharefs and should be 696 * removed when sharefs supports 697 * multiple entries per path. 698 */ 699 if (!first) 700 err = SA_OK; 701 else 702 err = SA_SYSTEM_ERR; 703 break; 704 } 705 } 706 707 first = B_FALSE; 708 709 sa_emptyshare(&sh); 710 } 711 712 if (err != SA_OK) 713 ret = err; 714 sa_free_attr_string(rname); 715 } 716 done: 717 if (!iszfs) { 718 handle = sa_find_group_handle((sa_group_t)share); 719 if (handle != NULL) 720 (void) sa_delete_sharetab(handle, path, "smb"); 721 else 722 ret = SA_SYSTEM_ERR; 723 } 724 return (ret); 725 } 726 727 /* 728 * smb_validate_property(handle, property, parent) 729 * 730 * Check that the property has a legitimate value for its type. 731 * Handle isn't currently used but may need to be in the future. 732 */ 733 734 /*ARGSUSED*/ 735 static int 736 smb_validate_property(sa_handle_t handle, sa_property_t property, 737 sa_optionset_t parent) 738 { 739 int ret = SA_OK; 740 char *propname; 741 int optindex; 742 sa_group_t parent_group; 743 char *value; 744 char *other; 745 746 propname = sa_get_property_attr(property, "type"); 747 748 if ((optindex = findopt(propname)) < 0) 749 ret = SA_NO_SUCH_PROP; 750 751 /* need to validate value range here as well */ 752 if (ret == SA_OK) { 753 parent_group = sa_get_parent_group((sa_share_t)parent); 754 if (optdefs[optindex].share && !sa_is_share(parent_group)) 755 ret = SA_PROP_SHARE_ONLY; 756 } 757 if (ret != SA_OK) { 758 if (propname != NULL) 759 sa_free_attr_string(propname); 760 return (ret); 761 } 762 763 value = sa_get_property_attr(property, "value"); 764 if (value != NULL) { 765 /* first basic type checking */ 766 switch (optdefs[optindex].type) { 767 case OPT_TYPE_NUMBER: 768 /* check that the value is all digits */ 769 if (!is_a_number(value)) 770 ret = SA_BAD_VALUE; 771 break; 772 case OPT_TYPE_BOOLEAN: 773 ret = true_false_validator(0, value); 774 break; 775 case OPT_TYPE_NAME: 776 /* 777 * Make sure no invalid characters 778 */ 779 if (!validresource(value)) 780 ret = SA_BAD_VALUE; 781 break; 782 case OPT_TYPE_STRING: 783 /* whatever is here should be ok */ 784 break; 785 case OPT_TYPE_CSC: 786 if (!validcsc(value)) 787 ret = SA_BAD_VALUE; 788 break; 789 case OPT_TYPE_ACCLIST: { 790 sa_property_t oprop; 791 char *ovalue; 792 /* 793 * access list handling. Should eventually 794 * validate that all the values make sense. 795 * Also, ro and rw may have cross value 796 * conflicts. 797 */ 798 if (parent == NULL) 799 break; 800 if (strcmp(propname, SHOPT_RO) == 0) 801 other = SHOPT_RW; 802 else if (strcmp(propname, SHOPT_RW) == 0) 803 other = SHOPT_RO; 804 else 805 other = NULL; 806 if (other == NULL) 807 break; 808 809 /* compare rw(ro) with ro(rw) */ 810 oprop = sa_get_property(parent, other); 811 if (oprop == NULL) 812 break; 813 /* 814 * only potential 815 * confusion if other 816 * exists 817 */ 818 ovalue = sa_get_property_attr(oprop, "value"); 819 if (ovalue != NULL) { 820 ret = check_rorw(value, ovalue); 821 sa_free_attr_string(ovalue); 822 } 823 break; 824 } 825 default: 826 break; 827 } 828 } 829 830 if (value != NULL) 831 sa_free_attr_string(value); 832 if (ret == SA_OK && optdefs[optindex].check != NULL) 833 /* do the property specific check */ 834 ret = optdefs[optindex].check(property); 835 836 if (propname != NULL) 837 sa_free_attr_string(propname); 838 return (ret); 839 } 840 841 /* 842 * Protocol management functions 843 * 844 * properties defined in the default files are defined in 845 * proto_option_defs for parsing and validation. 846 */ 847 848 struct smb_proto_option_defs { 849 int smb_index; 850 int32_t minval; 851 int32_t maxval; /* In case of length of string this should be max */ 852 int (*validator)(int, char *); 853 int32_t refresh; 854 } smb_proto_options[] = { 855 { SMB_CI_SYS_CMNT, 0, MAX_VALUE_BUFLEN, 856 string_length_check_validator, SMB_REFRESH_REFRESH }, 857 { SMB_CI_MAX_WORKERS, SMB_PI_MAX_WORKERS_MIN, SMB_PI_MAX_WORKERS_MAX, 858 range_check_validator, SMB_REFRESH_REFRESH }, 859 { SMB_CI_NETBIOS_ENABLE, 0, 0, true_false_validator, 860 SMB_REFRESH_REFRESH }, 861 { SMB_CI_NBSCOPE, 0, MAX_VALUE_BUFLEN, 862 string_length_check_validator, 0 }, 863 { SMB_CI_LM_LEVEL, 2, 5, range_check_validator, 0 }, 864 { SMB_CI_KEEPALIVE, 20, 5400, range_check_validator_zero_ok, 865 SMB_REFRESH_REFRESH }, 866 { SMB_CI_WINS_SRV1, 0, MAX_VALUE_BUFLEN, 867 ipv4_validator, SMB_REFRESH_REFRESH }, 868 { SMB_CI_WINS_SRV2, 0, MAX_VALUE_BUFLEN, 869 ipv4_validator, SMB_REFRESH_REFRESH }, 870 { SMB_CI_WINS_EXCL, 0, MAX_VALUE_BUFLEN, 871 interface_validator, SMB_REFRESH_REFRESH }, 872 { SMB_CI_SIGNING_ENABLE, 0, 0, true_false_validator, 873 SMB_REFRESH_REFRESH }, 874 { SMB_CI_SIGNING_REQD, 0, 0, true_false_validator, 875 SMB_REFRESH_REFRESH }, 876 { SMB_CI_RESTRICT_ANON, 0, 0, true_false_validator, 877 SMB_REFRESH_REFRESH }, 878 { SMB_CI_DOMAIN_SRV, 0, MAX_VALUE_BUFLEN, 879 hostname_validator, SMB_REFRESH_REFRESH }, 880 { SMB_CI_ADS_SITE, 0, MAX_VALUE_BUFLEN, 881 string_length_check_validator, SMB_REFRESH_REFRESH }, 882 { SMB_CI_DYNDNS_ENABLE, 0, 0, true_false_validator, 0 }, 883 { SMB_CI_AUTOHOME_MAP, 0, MAX_VALUE_BUFLEN, path_validator, 0 }, 884 { SMB_CI_IPV6_ENABLE, 0, 0, true_false_validator, 885 SMB_REFRESH_REFRESH }, 886 { SMB_CI_PRINT_ENABLE, 0, 0, print_enable_validator, 887 SMB_REFRESH_REFRESH }, 888 { SMB_CI_TRAVERSE_MOUNTS, 0, 0, true_false_validator, 889 SMB_REFRESH_REFRESH }, 890 { SMB_CI_MAP, 0, MAX_VALUE_BUFLEN, cmd_validator, SMB_REFRESH_REFRESH }, 891 { SMB_CI_UNMAP, 0, MAX_VALUE_BUFLEN, cmd_validator, 892 SMB_REFRESH_REFRESH }, 893 { SMB_CI_DISPOSITION, 0, MAX_VALUE_BUFLEN, 894 disposition_validator, SMB_REFRESH_REFRESH }, 895 { SMB_CI_MIN_PROTOCOL, 0, MAX_VALUE_BUFLEN, protocol_validator, 896 SMB_REFRESH_REFRESH }, 897 { SMB_CI_MAX_PROTOCOL, 0, MAX_VALUE_BUFLEN, protocol_validator, 898 SMB_REFRESH_REFRESH }, 899 { SMB_CI_ENCRYPT, 0, MAX_VALUE_BUFLEN, require_validator, 900 SMB_REFRESH_REFRESH }, 901 { SMB_CI_ENCRYPT_CIPHERS, 0, MAX_VALUE_BUFLEN, ciphers_validator, 902 SMB_REFRESH_REFRESH }, 903 { SMB_CI_BYPASS_TRAVERSE_CHECKING, 0, 0, true_false_validator, 904 SMB_REFRESH_REFRESH }, 905 { SMB_CI_OPLOCK_ENABLE, 0, 0, true_false_validator, 906 SMB_REFRESH_REFRESH }, 907 { SMB_CI_SHORT_NAMES, 0, 0, true_false_validator, 908 SMB_REFRESH_REFRESH }, 909 }; 910 911 #define SMB_OPT_NUM \ 912 (sizeof (smb_proto_options) / sizeof (smb_proto_options[0])) 913 914 static int 915 require_validator(int index, char *value) 916 { 917 if (string_length_check_validator(index, value) != SA_OK) 918 return (SA_BAD_VALUE); 919 920 if (strcmp(value, "required") == 0) 921 return (SA_OK); 922 923 if (strcmp(value, "disabled") == 0) 924 return (SA_OK); 925 926 if (strcmp(value, "enabled") == 0) 927 return (SA_OK); 928 929 return (SA_BAD_VALUE); 930 } 931 932 /* 933 * Check the range of value as int range. 934 */ 935 static int 936 range_check_validator(int index, char *value) 937 { 938 int ret = SA_OK; 939 940 if (!is_a_number(value)) { 941 ret = SA_BAD_VALUE; 942 } else { 943 int val; 944 val = strtoul(value, NULL, 0); 945 if (val < smb_proto_options[index].minval || 946 val > smb_proto_options[index].maxval) 947 ret = SA_BAD_VALUE; 948 } 949 return (ret); 950 } 951 952 /* 953 * Check the range of value as int range. 954 */ 955 static int 956 range_check_validator_zero_ok(int index, char *value) 957 { 958 int ret = SA_OK; 959 960 if (!is_a_number(value)) { 961 ret = SA_BAD_VALUE; 962 } else { 963 int val; 964 val = strtoul(value, NULL, 0); 965 if (val == 0) 966 ret = SA_OK; 967 else { 968 if (val < smb_proto_options[index].minval || 969 val > smb_proto_options[index].maxval) 970 ret = SA_BAD_VALUE; 971 } 972 } 973 return (ret); 974 } 975 976 /* 977 * Check the length of the string 978 */ 979 static int 980 string_length_check_validator(int index, char *value) 981 { 982 int ret = SA_OK; 983 984 if (value == NULL) 985 return (SA_BAD_VALUE); 986 if (strlen(value) > smb_proto_options[index].maxval) 987 ret = SA_BAD_VALUE; 988 return (ret); 989 } 990 991 /* 992 * Check yes/no 993 */ 994 /*ARGSUSED*/ 995 static int 996 true_false_validator(int index, char *value) 997 { 998 if (value == NULL) 999 return (SA_BAD_VALUE); 1000 if ((strcasecmp(value, "true") == 0) || 1001 (strcasecmp(value, "false") == 0)) 1002 return (SA_OK); 1003 return (SA_BAD_VALUE); 1004 } 1005 1006 /* 1007 * If printing support is compiled in, this is the same as: 1008 * true_false_validator. Otherwise, only allow false. 1009 */ 1010 /*ARGSUSED*/ 1011 static int 1012 print_enable_validator(int index, char *value) 1013 { 1014 if (value == NULL) 1015 return (SA_BAD_VALUE); 1016 1017 #ifdef HAVE_CUPS 1018 if (strcasecmp(value, "true") == 0) 1019 return (SA_OK); 1020 #endif 1021 if (strcasecmp(value, "false") == 0) 1022 return (SA_OK); 1023 1024 return (SA_BAD_VALUE); 1025 } 1026 1027 /* 1028 * Check IP v4 address. 1029 */ 1030 /*ARGSUSED*/ 1031 static int 1032 ipv4_validator(int index, char *value) 1033 { 1034 char sbytes[16]; 1035 1036 if (value == NULL) 1037 return (SA_OK); 1038 1039 if (strlen(value) == 0) 1040 return (SA_OK); 1041 1042 if (inet_pton(AF_INET, value, (void *)sbytes) != 1) 1043 return (SA_BAD_VALUE); 1044 1045 return (SA_OK); 1046 } 1047 1048 /* 1049 * Check that the specified name is an IP address (v4 or v6) or a hostname. 1050 * Per RFC 1035 and 1123, names may contain alphanumeric characters, hyphens 1051 * and dots. The first and last character of a label must be alphanumeric. 1052 * Interior characters may be alphanumeric or hypens. 1053 * 1054 * Domain names should not contain underscores but we allow them because 1055 * Windows names are often in non-compliance with this rule. 1056 */ 1057 /*ARGSUSED*/ 1058 static int 1059 hostname_validator(int index, char *value) 1060 { 1061 char sbytes[INET6_ADDRSTRLEN]; 1062 boolean_t new_label = B_TRUE; 1063 char *p; 1064 char label_terminator; 1065 int len; 1066 1067 if (value == NULL) 1068 return (SA_OK); 1069 1070 if ((len = strlen(value)) == 0) 1071 return (SA_OK); 1072 1073 if (inet_pton(AF_INET, value, (void *)sbytes) == 1) 1074 return (SA_OK); 1075 1076 if (inet_pton(AF_INET6, value, (void *)sbytes) == 1) 1077 return (SA_OK); 1078 1079 if (len >= MAXHOSTNAMELEN) 1080 return (SA_BAD_VALUE); 1081 1082 if (strspn(value, "0123456789.") == len) 1083 return (SA_BAD_VALUE); 1084 1085 label_terminator = *value; 1086 1087 for (p = value; *p != '\0'; ++p) { 1088 if (new_label) { 1089 if (!isalnum(*p)) 1090 return (SA_BAD_VALUE); 1091 new_label = B_FALSE; 1092 label_terminator = *p; 1093 continue; 1094 } 1095 1096 if (*p == '.') { 1097 if (!isalnum(label_terminator)) 1098 return (SA_BAD_VALUE); 1099 new_label = B_TRUE; 1100 label_terminator = *p; 1101 continue; 1102 } 1103 1104 label_terminator = *p; 1105 1106 if (isalnum(*p) || *p == '-' || *p == '_') 1107 continue; 1108 1109 return (SA_BAD_VALUE); 1110 } 1111 1112 if (!isalnum(label_terminator)) 1113 return (SA_BAD_VALUE); 1114 1115 return (SA_OK); 1116 } 1117 1118 /* 1119 * Call back function for dlpi_walk. 1120 * Returns TRUE if interface name exists on the host. 1121 */ 1122 static boolean_t 1123 smb_get_interface(const char *ifname, void *arg) 1124 { 1125 smb_hostifs_walker_t *iterp = arg; 1126 1127 iterp->hiw_matchfound = (strcmp(ifname, iterp->hiw_ifname) == 0); 1128 1129 return (iterp->hiw_matchfound); 1130 } 1131 1132 /* 1133 * Checks to see if the input interface exists on the host. 1134 * Returns B_TRUE if the match is found, B_FALSE otherwise. 1135 */ 1136 static boolean_t 1137 smb_validate_interface(const char *ifname) 1138 { 1139 smb_hostifs_walker_t iter; 1140 1141 if ((ifname == NULL) || (*ifname == '\0')) 1142 return (B_FALSE); 1143 1144 iter.hiw_ifname = ifname; 1145 iter.hiw_matchfound = B_FALSE; 1146 dlpi_walk(smb_get_interface, &iter, 0); 1147 1148 return (iter.hiw_matchfound); 1149 } 1150 1151 /* 1152 * Check valid interfaces. Interface names value can be NULL or empty. 1153 * Returns SA_BAD_VALUE if interface cannot be found on the host. 1154 */ 1155 /*ARGSUSED*/ 1156 static int 1157 interface_validator(int index, char *value) 1158 { 1159 char buf[16]; 1160 int ret = SA_OK; 1161 char *ifname, *tmp, *p; 1162 1163 if (value == NULL || *value == '\0') 1164 return (ret); 1165 1166 if (strlen(value) > MAX_VALUE_BUFLEN) 1167 return (SA_BAD_VALUE); 1168 1169 if ((p = strdup(value)) == NULL) 1170 return (SA_NO_MEMORY); 1171 1172 tmp = p; 1173 while ((ifname = strsep(&tmp, ",")) != NULL) { 1174 if (*ifname == '\0') { 1175 ret = SA_BAD_VALUE; 1176 break; 1177 } 1178 1179 if (!smb_validate_interface(ifname)) { 1180 if (inet_pton(AF_INET, ifname, (void *)buf) == 0) { 1181 ret = SA_BAD_VALUE; 1182 break; 1183 } 1184 } 1185 } 1186 1187 free(p); 1188 return (ret); 1189 } 1190 1191 /* 1192 * Check path 1193 */ 1194 /*ARGSUSED*/ 1195 static int 1196 path_validator(int index, char *path) 1197 { 1198 struct stat buffer; 1199 int fd, status; 1200 1201 if (path == NULL) 1202 return (SA_BAD_VALUE); 1203 1204 fd = open(path, O_RDONLY); 1205 if (fd < 0) 1206 return (SA_BAD_VALUE); 1207 1208 status = fstat(fd, &buffer); 1209 (void) close(fd); 1210 1211 if (status < 0) 1212 return (SA_BAD_VALUE); 1213 1214 if (buffer.st_mode & S_IFDIR) 1215 return (SA_OK); 1216 return (SA_BAD_VALUE); 1217 } 1218 1219 /* 1220 * the protoset holds the defined options so we don't have to read 1221 * them multiple times 1222 */ 1223 static sa_protocol_properties_t protoset; 1224 1225 static int 1226 findprotoopt(char *name) 1227 { 1228 int i; 1229 char *sc_name; 1230 1231 for (i = 0; i < SMB_OPT_NUM; i++) { 1232 sc_name = smb_config_getname(smb_proto_options[i].smb_index); 1233 if (strcasecmp(sc_name, name) == 0) 1234 return (i); 1235 } 1236 1237 return (-1); 1238 } 1239 1240 /* 1241 * smb_load_proto_properties() 1242 * 1243 * read the smb config values from SMF. 1244 */ 1245 1246 static int 1247 smb_load_proto_properties() 1248 { 1249 sa_property_t prop; 1250 char value[MAX_VALUE_BUFLEN]; 1251 char *name; 1252 int index; 1253 int ret = SA_OK; 1254 int rc; 1255 1256 protoset = sa_create_protocol_properties(SMB_PROTOCOL_NAME); 1257 if (protoset == NULL) 1258 return (SA_NO_MEMORY); 1259 1260 for (index = 0; index < SMB_OPT_NUM && ret == SA_OK; index++) { 1261 rc = smb_config_get(smb_proto_options[index].smb_index, 1262 value, sizeof (value)); 1263 if (rc != SMBD_SMF_OK) 1264 continue; 1265 name = smb_config_getname(smb_proto_options[index].smb_index); 1266 prop = sa_create_property(name, value); 1267 if (prop != NULL) 1268 ret = sa_add_protocol_property(protoset, prop); 1269 else 1270 ret = SA_NO_MEMORY; 1271 } 1272 return (ret); 1273 } 1274 1275 /* 1276 * smb_share_init() 1277 * 1278 * Initialize the smb plugin. 1279 */ 1280 1281 static int 1282 smb_share_init(void) 1283 { 1284 if (sa_plugin_ops.sa_init != smb_share_init) 1285 return (SA_SYSTEM_ERR); 1286 1287 smb_share_door_clnt_init(); 1288 return (smb_load_proto_properties()); 1289 } 1290 1291 /* 1292 * smb_share_fini() 1293 * 1294 */ 1295 static void 1296 smb_share_fini(void) 1297 { 1298 xmlFreeNode(protoset); 1299 protoset = NULL; 1300 1301 smb_share_door_clnt_fini(); 1302 } 1303 1304 /* 1305 * smb_get_proto_set() 1306 * 1307 * Return an optionset with all the protocol specific properties in 1308 * it. 1309 */ 1310 static sa_protocol_properties_t 1311 smb_get_proto_set(void) 1312 { 1313 return (protoset); 1314 } 1315 1316 /* 1317 * smb_enable_dependencies() 1318 * 1319 * SMBD_DEFAULT_INSTANCE_FMRI may have some dependencies that aren't 1320 * enabled. This will attempt to enable all of them. 1321 */ 1322 static void 1323 smb_enable_dependencies(const char *fmri) 1324 { 1325 scf_handle_t *handle; 1326 scf_service_t *service; 1327 scf_instance_t *inst = NULL; 1328 scf_iter_t *iter; 1329 scf_property_t *prop; 1330 scf_value_t *value; 1331 scf_propertygroup_t *pg; 1332 scf_scope_t *scope; 1333 char type[SCFTYPE_LEN]; 1334 char *dependency; 1335 char *servname; 1336 int maxlen; 1337 1338 /* 1339 * Get all required handles and storage. 1340 */ 1341 handle = scf_handle_create(SCF_VERSION); 1342 if (handle == NULL) 1343 return; 1344 1345 if (scf_handle_bind(handle) != 0) { 1346 scf_handle_destroy(handle); 1347 return; 1348 } 1349 1350 maxlen = scf_limit(SCF_LIMIT_MAX_VALUE_LENGTH); 1351 if (maxlen == (ssize_t)-1) 1352 maxlen = MAXPATHLEN; 1353 1354 dependency = malloc(maxlen); 1355 1356 service = scf_service_create(handle); 1357 1358 iter = scf_iter_create(handle); 1359 1360 pg = scf_pg_create(handle); 1361 1362 prop = scf_property_create(handle); 1363 1364 value = scf_value_create(handle); 1365 1366 scope = scf_scope_create(handle); 1367 1368 if (service == NULL || iter == NULL || pg == NULL || prop == NULL || 1369 value == NULL || scope == NULL || dependency == NULL) 1370 goto done; 1371 1372 /* 1373 * We passed in the FMRI for the default instance but for 1374 * some things we need the simple form so construct it. Since 1375 * we reuse the storage that dependency points to, we need to 1376 * use the servname early. 1377 */ 1378 (void) snprintf(dependency, maxlen, "%s", fmri + sizeof ("svc:")); 1379 servname = strrchr(dependency, ':'); 1380 if (servname == NULL) 1381 goto done; 1382 *servname = '\0'; 1383 servname = dependency; 1384 1385 /* 1386 * Setup to iterate over the service property groups, only 1387 * looking at those that are "dependency" types. The "entity" 1388 * property will have the FMRI of the service we are dependent 1389 * on. 1390 */ 1391 if (scf_handle_get_scope(handle, SCF_SCOPE_LOCAL, scope) != 0) 1392 goto done; 1393 1394 if (scf_scope_get_service(scope, servname, service) != 0) 1395 goto done; 1396 1397 if (scf_iter_service_pgs(iter, service) != 0) 1398 goto done; 1399 1400 while (scf_iter_next_pg(iter, pg) > 0) { 1401 char *services[2]; 1402 /* 1403 * Have a property group for the service. See if it is 1404 * a dependency pg and only do operations on those. 1405 */ 1406 if (scf_pg_get_type(pg, type, SCFTYPE_LEN) <= 0) 1407 continue; 1408 1409 if (strncmp(type, SCF_GROUP_DEPENDENCY, SCFTYPE_LEN) != 0) 1410 continue; 1411 /* 1412 * Have a dependency. Attempt to enable it. 1413 */ 1414 if (scf_pg_get_property(pg, SCF_PROPERTY_ENTITIES, prop) != 0) 1415 continue; 1416 1417 if (scf_property_get_value(prop, value) != 0) 1418 continue; 1419 1420 services[1] = NULL; 1421 1422 if (scf_value_get_as_string(value, dependency, maxlen) > 0) { 1423 services[0] = dependency; 1424 _check_services(services); 1425 } 1426 } 1427 1428 done: 1429 if (dependency != NULL) 1430 free(dependency); 1431 if (value != NULL) 1432 scf_value_destroy(value); 1433 if (prop != NULL) 1434 scf_property_destroy(prop); 1435 if (pg != NULL) 1436 scf_pg_destroy(pg); 1437 if (iter != NULL) 1438 scf_iter_destroy(iter); 1439 if (scope != NULL) 1440 scf_scope_destroy(scope); 1441 if (inst != NULL) 1442 scf_instance_destroy(inst); 1443 if (service != NULL) 1444 scf_service_destroy(service); 1445 1446 (void) scf_handle_unbind(handle); 1447 scf_handle_destroy(handle); 1448 } 1449 1450 /* 1451 * How long to wait for service to come online 1452 */ 1453 #define WAIT_FOR_SERVICE 15 1454 1455 /* 1456 * smb_enable_service() 1457 * 1458 */ 1459 static int 1460 smb_enable_service(void) 1461 { 1462 int i; 1463 int ret = SA_OK; 1464 char *service[] = { SMBD_DEFAULT_INSTANCE_FMRI, NULL }; 1465 1466 if (!smb_isonline()) { 1467 /* 1468 * Attempt to start the idmap, and other dependent 1469 * services, first. If it fails, the SMB service will 1470 * ultimately fail so we use that as the error. If we 1471 * don't try to enable idmap, smb won't start the 1472 * first time unless the admin has done it 1473 * manually. The service could be administratively 1474 * disabled so we won't always get started. 1475 */ 1476 smb_enable_dependencies(SMBD_DEFAULT_INSTANCE_FMRI); 1477 _check_services(service); 1478 1479 /* Wait for service to come online */ 1480 for (i = 0; i < WAIT_FOR_SERVICE; i++) { 1481 if (smb_isonline()) { 1482 ret = SA_OK; 1483 break; 1484 } else if (smb_ismaint()) { 1485 /* maintenance requires help */ 1486 ret = SA_SYSTEM_ERR; 1487 break; 1488 } else { 1489 /* try another time */ 1490 ret = SA_BUSY; 1491 (void) sleep(1); 1492 } 1493 } 1494 } 1495 return (ret); 1496 } 1497 1498 /* 1499 * smb_set_proto_prop(prop) 1500 * 1501 * check that prop is valid. 1502 */ 1503 /*ARGSUSED*/ 1504 static int 1505 smb_set_proto_prop(sa_property_t prop) 1506 { 1507 int ret = SA_OK; 1508 char *name; 1509 char *value; 1510 int index = -1; 1511 struct smb_proto_option_defs *opt; 1512 1513 name = sa_get_property_attr(prop, "type"); 1514 value = sa_get_property_attr(prop, "value"); 1515 if (name == NULL || value == NULL) { 1516 ret = SA_NO_SUCH_PROP; 1517 goto out; 1518 } 1519 1520 index = findprotoopt(name); 1521 if (index < 0) { 1522 ret = SA_NO_SUCH_PROP; 1523 goto out; 1524 } 1525 opt = &smb_proto_options[index]; 1526 1527 /* 1528 * When setting max_protocol or min_protocol, 1529 * allow"3.1.1" as an alias for "3.11". 1530 */ 1531 if (opt->smb_index == SMB_CI_MAX_PROTOCOL || 1532 opt->smb_index == SMB_CI_MIN_PROTOCOL) 1533 if (strcmp(value, "3.1.1") == 0) 1534 (void) strcpy(value, "3.11"); 1535 1536 /* Test for valid value */ 1537 if (opt->validator != NULL && 1538 (ret = opt->validator(index, value)) != SA_OK) 1539 goto out; 1540 1541 /* Save to SMF */ 1542 if (smb_config_set(opt->smb_index, value) != 0) { 1543 ret = SA_BAD_VALUE; 1544 goto out; 1545 } 1546 1547 /* 1548 * Specialized refresh mechanisms can 1549 * be flagged in the proto_options and 1550 * processed here. 1551 */ 1552 if (opt->refresh & SMB_REFRESH_REFRESH) 1553 (void) smf_refresh_instance( 1554 SMBD_DEFAULT_INSTANCE_FMRI); 1555 else if (opt->refresh & SMB_REFRESH_RESTART) 1556 (void) smf_restart_instance( 1557 SMBD_DEFAULT_INSTANCE_FMRI); 1558 1559 out: 1560 if (name != NULL) 1561 sa_free_attr_string(name); 1562 if (value != NULL) 1563 sa_free_attr_string(value); 1564 1565 return (ret); 1566 } 1567 1568 /* 1569 * smb_get_status() 1570 * 1571 * What is the current status of the smbd? We use the SMF state here. 1572 * Caller must free the returned value. 1573 */ 1574 1575 static char * 1576 smb_get_status(void) 1577 { 1578 return (smf_get_state(SMBD_DEFAULT_INSTANCE_FMRI)); 1579 } 1580 1581 /* 1582 * This protocol plugin require resource names 1583 */ 1584 static uint64_t 1585 smb_share_features(void) 1586 { 1587 return (SA_FEATURE_RESOURCE | SA_FEATURE_ALLOWSUBDIRS | 1588 SA_FEATURE_ALLOWPARDIRS | SA_FEATURE_SERVER); 1589 } 1590 1591 /* 1592 * This should be used to convert smb_share_t to sa_resource_t 1593 * Should only be needed to build transient shares/resources to be 1594 * supplied to sharemgr to display. 1595 */ 1596 static int 1597 smb_add_transient(sa_handle_t handle, smb_share_t *si) 1598 { 1599 int err; 1600 sa_share_t share; 1601 sa_group_t group; 1602 sa_resource_t resource; 1603 nvlist_t *nvl; 1604 char *opt; 1605 1606 if (si == NULL) 1607 return (SA_INVALID_NAME); 1608 1609 if ((share = sa_find_share(handle, si->shr_path)) == NULL) { 1610 if ((group = smb_get_defaultgrp(handle)) == NULL) 1611 return (SA_NO_SUCH_GROUP); 1612 1613 share = sa_get_share(group, si->shr_path); 1614 if (share == NULL) { 1615 share = sa_add_share(group, si->shr_path, 1616 SA_SHARE_TRANSIENT, &err); 1617 if (share == NULL) 1618 return (SA_NO_SUCH_PATH); 1619 } 1620 } 1621 1622 /* 1623 * Now handle the resource. Make sure that the resource is 1624 * transient and added to the share. 1625 */ 1626 resource = sa_get_share_resource(share, si->shr_name); 1627 if (resource == NULL) { 1628 resource = sa_add_resource(share, 1629 si->shr_name, SA_SHARE_TRANSIENT, &err); 1630 if (resource == NULL) 1631 return (SA_NO_SUCH_RESOURCE); 1632 } 1633 1634 if (si->shr_cmnt[0] != '\0') 1635 (void) sa_set_resource_description(resource, si->shr_cmnt); 1636 1637 if (si->shr_container[0] != '\0') 1638 (void) sa_set_resource_attr(resource, SHOPT_AD_CONTAINER, 1639 si->shr_container); 1640 1641 if (nvlist_alloc(&nvl, NV_UNIQUE_NAME, 0) != 0) 1642 return (SA_NO_MEMORY); 1643 1644 if ((opt = smb_csc_name(si)) != NULL) 1645 err |= nvlist_add_string(nvl, SHOPT_CSC, opt); 1646 1647 opt = (si->shr_flags & SMB_SHRF_ABE) ? "true" : "false"; 1648 err |= nvlist_add_string(nvl, SHOPT_ABE, opt); 1649 1650 if ((si->shr_flags & SMB_SHRF_AUTOHOME) == 0) { 1651 opt = (si->shr_flags & SMB_SHRF_GUEST_OK) ? "true" : "false"; 1652 err |= nvlist_add_string(nvl, SHOPT_GUEST, opt); 1653 } 1654 1655 if (si->shr_access_ro[0] != '\0') 1656 err |= nvlist_add_string(nvl, SHOPT_RO, si->shr_access_ro); 1657 1658 if (si->shr_access_rw[0] != '\0') 1659 err |= nvlist_add_string(nvl, SHOPT_RW, si->shr_access_rw); 1660 1661 if (si->shr_access_none[0] != '\0') 1662 err |= nvlist_add_string(nvl, SHOPT_NONE, si->shr_access_none); 1663 1664 if (err) { 1665 nvlist_free(nvl); 1666 return (SA_CONFIG_ERR); 1667 } 1668 1669 err = smb_update_optionset_props(handle, resource, nvl); 1670 1671 nvlist_free(nvl); 1672 return (err); 1673 } 1674 1675 /* 1676 * Return smb transient shares. 1677 */ 1678 static int 1679 smb_list_transient(sa_handle_t handle) 1680 { 1681 int i, offset; 1682 smb_shrlist_t list; 1683 int res; 1684 1685 if (smb_share_count() <= 0) 1686 return (SA_OK); 1687 1688 offset = 0; 1689 while (smb_share_list(offset, &list) == NERR_Success) { 1690 if (list.sl_cnt == 0) 1691 break; 1692 1693 for (i = 0; i < list.sl_cnt; i++) { 1694 res = smb_add_transient(handle, &(list.sl_shares[i])); 1695 if (res != SA_OK) 1696 return (res); 1697 } 1698 offset += list.sl_cnt; 1699 } 1700 1701 return (SA_OK); 1702 } 1703 1704 /* 1705 * fix_resource_name(share, name, prefix) 1706 * 1707 * Construct a name where the ZFS dataset has the prefix replaced with "name". 1708 */ 1709 static char * 1710 fix_resource_name(sa_share_t share, char *name, char *prefix) 1711 { 1712 char buf[SA_MAX_RESOURCE_NAME + 1]; 1713 char *dataset; 1714 size_t bufsz = SA_MAX_RESOURCE_NAME + 1; 1715 size_t prelen; 1716 1717 if (prefix == NULL) 1718 return (strdup(name)); 1719 1720 dataset = sa_get_share_attr(share, "dataset"); 1721 if (dataset == NULL) 1722 return (strdup(name)); 1723 1724 (void) strlcpy(buf, name, bufsz); 1725 prelen = strlen(prefix); 1726 1727 if (strncmp(dataset, prefix, prelen) == 0) 1728 (void) strlcat(buf, dataset + prelen, bufsz); 1729 1730 sa_free_attr_string(dataset); 1731 sa_fix_resource_name(buf); 1732 return (strdup(buf)); 1733 } 1734 1735 /* 1736 * smb_parse_optstring(group, options) 1737 * 1738 * parse a compact option string into individual options. This allows 1739 * ZFS sharesmb and sharemgr "share" command to work. group can be a 1740 * group, a share or a resource. 1741 */ 1742 static int 1743 smb_parse_optstring(sa_group_t group, char *options) 1744 { 1745 char *dup; 1746 char *base; 1747 char *lasts; 1748 char *token; 1749 sa_optionset_t optionset; 1750 sa_group_t parent = NULL; 1751 sa_resource_t resource = NULL; 1752 int iszfs = 0; 1753 int persist = 0; 1754 int need_optionset = 0; 1755 int ret = SA_OK; 1756 sa_property_t prop; 1757 1758 /* 1759 * In order to not attempt to change ZFS properties unless 1760 * absolutely necessary, we never do it in the legacy parsing 1761 * so we need to keep track of this. 1762 */ 1763 if (sa_is_share(group)) { 1764 char *zfs; 1765 1766 parent = sa_get_parent_group(group); 1767 if (parent != NULL) { 1768 zfs = sa_get_group_attr(parent, "zfs"); 1769 if (zfs != NULL) { 1770 sa_free_attr_string(zfs); 1771 iszfs = 1; 1772 } 1773 } 1774 } else { 1775 iszfs = sa_group_is_zfs(group); 1776 /* 1777 * If a ZFS group, then we need to see if a resource 1778 * name is being set. If so, bail with 1779 * SA_PROP_SHARE_ONLY, so we come back in with a share 1780 * instead of a group. 1781 */ 1782 if (iszfs || 1783 strncmp(options, "name=", sizeof ("name=") - 1) == 0 || 1784 strstr(options, ",name=") != NULL) { 1785 return (SA_PROP_SHARE_ONLY); 1786 } 1787 } 1788 1789 /* do we have an existing optionset? */ 1790 optionset = sa_get_optionset(group, "smb"); 1791 if (optionset == NULL) { 1792 /* didn't find existing optionset so create one */ 1793 optionset = sa_create_optionset(group, "smb"); 1794 if (optionset == NULL) 1795 return (SA_NO_MEMORY); 1796 } else { 1797 /* 1798 * If an optionset already exists, we've come through 1799 * twice so ignore the second time. 1800 */ 1801 return (ret); 1802 } 1803 1804 /* We need a copy of options for the next part. */ 1805 dup = strdup(options); 1806 if (dup == NULL) 1807 return (SA_NO_MEMORY); 1808 1809 /* 1810 * SMB properties are straightforward and are strings, 1811 * integers or booleans. Properties are separated by 1812 * commas. It will be necessary to parse quotes due to some 1813 * strings not having a restricted characters set. 1814 * 1815 * Note that names will create a resource. For now, if there 1816 * is a set of properties "before" the first name="", those 1817 * properties will be placed on the group. 1818 */ 1819 persist = sa_is_persistent(group); 1820 base = dup; 1821 token = dup; 1822 lasts = NULL; 1823 while (token != NULL && ret == SA_OK) { 1824 ret = SA_OK; 1825 token = strtok_r(base, ",", &lasts); 1826 base = NULL; 1827 if (token != NULL) { 1828 char *value; 1829 /* 1830 * All SMB properties have values so there 1831 * MUST be an '=' character. If it doesn't, 1832 * it is a syntax error. 1833 */ 1834 value = strchr(token, '='); 1835 if (value != NULL) { 1836 *value++ = '\0'; 1837 } else { 1838 ret = SA_SYNTAX_ERR; 1839 break; 1840 } 1841 /* 1842 * We may need to handle a "name" property 1843 * that is a ZFS imposed resource name. Each 1844 * name would trigger getting a new "resource" 1845 * to put properties on. For now, assume no 1846 * "name" property for special handling. 1847 */ 1848 1849 if (strcmp(token, SHOPT_NAME) == 0) { 1850 char *prefix; 1851 char *name = NULL; 1852 /* 1853 * We have a name, so now work on the 1854 * resource level. We have a "share" 1855 * in "group" due to the caller having 1856 * added it. If we are called with a 1857 * group, the check for group/share 1858 * at the beginning of this function 1859 * will bail out the parse if there is a 1860 * "name" but no share. 1861 */ 1862 if (!iszfs) { 1863 ret = SA_SYNTAX_ERR; 1864 break; 1865 } 1866 /* 1867 * Make sure the parent group has the 1868 * "prefix" property since we will 1869 * need to use this for constructing 1870 * inherited name= values. 1871 */ 1872 prefix = sa_get_group_attr(parent, "prefix"); 1873 if (prefix == NULL) { 1874 prefix = sa_get_group_attr(parent, 1875 "name"); 1876 if (prefix != NULL) { 1877 (void) sa_set_group_attr(parent, 1878 "prefix", prefix); 1879 } 1880 } 1881 name = fix_resource_name((sa_share_t)group, 1882 value, prefix); 1883 if (name != NULL) { 1884 resource = sa_add_resource( 1885 (sa_share_t)group, name, 1886 SA_SHARE_TRANSIENT, &ret); 1887 sa_free_attr_string(name); 1888 } else { 1889 ret = SA_NO_MEMORY; 1890 } 1891 if (prefix != NULL) 1892 sa_free_attr_string(prefix); 1893 1894 /* A resource level optionset is needed */ 1895 1896 need_optionset = 1; 1897 if (resource == NULL) { 1898 ret = SA_NO_MEMORY; 1899 break; 1900 } 1901 continue; 1902 } 1903 1904 if (iszfs && strcmp(token, SHOPT_DESCRIPTION) == 0) { 1905 if (resource == NULL) 1906 (void) sa_set_share_description( 1907 (sa_share_t)group, value); 1908 else 1909 (void) sa_set_resource_description( 1910 resource, value); 1911 continue; 1912 } 1913 1914 if (need_optionset) { 1915 optionset = sa_create_optionset(resource, 1916 "smb"); 1917 need_optionset = 0; 1918 } 1919 1920 prop = sa_create_property(token, value); 1921 if (prop == NULL) 1922 ret = SA_NO_MEMORY; 1923 else 1924 ret = sa_add_property(optionset, prop); 1925 if (ret != SA_OK) 1926 break; 1927 if (!iszfs) 1928 ret = sa_commit_properties(optionset, !persist); 1929 } 1930 } 1931 free(dup); 1932 return (ret); 1933 } 1934 1935 /* 1936 * smb_sprint_option(rbuff, rbuffsize, incr, prop, sep) 1937 * 1938 * provides a mechanism to format SMB properties into legacy output 1939 * format. If the buffer would overflow, it is reallocated and grown 1940 * as appropriate. Special cases of converting internal form of values 1941 * to those used by "share" are done. this function does one property 1942 * at a time. 1943 */ 1944 1945 static void 1946 smb_sprint_option(char **rbuff, size_t *rbuffsize, size_t incr, 1947 sa_property_t prop, int sep) 1948 { 1949 char *name; 1950 char *value; 1951 int curlen; 1952 char *buff = *rbuff; 1953 size_t buffsize = *rbuffsize; 1954 1955 name = sa_get_property_attr(prop, "type"); 1956 value = sa_get_property_attr(prop, "value"); 1957 if (buff != NULL) 1958 curlen = strlen(buff); 1959 else 1960 curlen = 0; 1961 if (name != NULL) { 1962 int len; 1963 len = strlen(name) + sep; 1964 1965 /* 1966 * A future RFE would be to replace this with more 1967 * generic code and to possibly handle more types. 1968 * 1969 * For now, everything else is treated as a string. If 1970 * we get any properties that aren't exactly 1971 * name/value pairs, we may need to 1972 * interpret/transform. 1973 */ 1974 if (value != NULL) 1975 len += 1 + strlen(value); 1976 1977 while (buffsize <= (curlen + len)) { 1978 /* need more room */ 1979 buffsize += incr; 1980 buff = realloc(buff, buffsize); 1981 *rbuff = buff; 1982 *rbuffsize = buffsize; 1983 if (buff == NULL) { 1984 /* realloc failed so free everything */ 1985 if (*rbuff != NULL) 1986 free(*rbuff); 1987 goto err; 1988 } 1989 } 1990 if (buff == NULL) 1991 goto err; 1992 (void) snprintf(buff + curlen, buffsize - curlen, 1993 "%s%s=%s", sep ? "," : "", 1994 name, value != NULL ? value : "\"\""); 1995 1996 } 1997 err: 1998 if (name != NULL) 1999 sa_free_attr_string(name); 2000 if (value != NULL) 2001 sa_free_attr_string(value); 2002 } 2003 2004 /* 2005 * smb_format_resource_options(resource, hier) 2006 * 2007 * format all the options on the group into a flattened option 2008 * string. If hier is non-zero, walk up the tree to get inherited 2009 * options. 2010 */ 2011 2012 static char * 2013 smb_format_options(sa_group_t group, int hier) 2014 { 2015 sa_optionset_t options = NULL; 2016 sa_property_t prop; 2017 int sep = 0; 2018 char *buff; 2019 size_t buffsize; 2020 2021 2022 buff = malloc(OPT_CHUNK); 2023 if (buff == NULL) 2024 return (NULL); 2025 2026 buff[0] = '\0'; 2027 buffsize = OPT_CHUNK; 2028 2029 /* 2030 * We may have a an optionset relative to this item. format 2031 * these if we find them and then add any security definitions. 2032 */ 2033 2034 options = sa_get_derived_optionset(group, "smb", hier); 2035 2036 /* 2037 * do the default set first but skip any option that is also 2038 * in the protocol specific optionset. 2039 */ 2040 if (options != NULL) { 2041 for (prop = sa_get_property(options, NULL); 2042 prop != NULL; prop = sa_get_next_property(prop)) { 2043 /* 2044 * use this one since we skipped any 2045 * of these that were also in 2046 * optdefault 2047 */ 2048 smb_sprint_option(&buff, &buffsize, OPT_CHUNK, 2049 prop, sep); 2050 if (buff == NULL) { 2051 /* 2052 * buff could become NULL if there 2053 * isn't enough memory for 2054 * smb_sprint_option to realloc() 2055 * as necessary. We can't really 2056 * do anything about it at this 2057 * point so we return NULL. The 2058 * caller should handle the 2059 * failure. 2060 */ 2061 if (options != NULL) 2062 sa_free_derived_optionset( 2063 options); 2064 return (buff); 2065 } 2066 sep = 1; 2067 } 2068 } 2069 2070 if (options != NULL) 2071 sa_free_derived_optionset(options); 2072 return (buff); 2073 } 2074 2075 /* 2076 * smb_rename_resource(resource, newname) 2077 * 2078 * Change the current exported name of the resource to newname. 2079 */ 2080 /*ARGSUSED*/ 2081 int 2082 smb_rename_resource(sa_handle_t handle, sa_resource_t resource, char *newname) 2083 { 2084 int ret = SA_OK; 2085 int err; 2086 char *oldname; 2087 2088 if (!smb_isonline()) 2089 return (SA_OK); 2090 2091 oldname = sa_get_resource_attr(resource, "name"); 2092 if (oldname == NULL) 2093 return (SA_NO_SUCH_RESOURCE); 2094 2095 err = smb_share_rename(oldname, newname); 2096 2097 sa_free_attr_string(oldname); 2098 2099 /* improve error values somewhat */ 2100 switch (err) { 2101 case NERR_Success: 2102 break; 2103 case NERR_InternalError: 2104 ret = SA_SYSTEM_ERR; 2105 break; 2106 case NERR_DuplicateShare: 2107 ret = SA_DUPLICATE_NAME; 2108 break; 2109 default: 2110 ret = SA_CONFIG_ERR; 2111 break; 2112 } 2113 2114 return (ret); 2115 } 2116 2117 static int 2118 smb_build_shareinfo(sa_share_t share, sa_resource_t resource, smb_share_t *si) 2119 { 2120 sa_optionset_t opts; 2121 char *path; 2122 char *rname; 2123 char *val = NULL; 2124 char csc_value[SMB_CSC_BUFSZ]; 2125 char strbuf[sizeof ("required")]; 2126 2127 bzero(si, sizeof (smb_share_t)); 2128 2129 if ((path = sa_get_share_attr(share, "path")) == NULL) 2130 return (SA_NO_SUCH_PATH); 2131 2132 if ((rname = sa_get_resource_attr(resource, "name")) == NULL) { 2133 sa_free_attr_string(path); 2134 return (SA_NO_SUCH_RESOURCE); 2135 } 2136 2137 (void) strlcpy(si->shr_path, path, sizeof (si->shr_path)); 2138 (void) strlcpy(si->shr_name, rname, sizeof (si->shr_name)); 2139 sa_free_attr_string(path); 2140 sa_free_attr_string(rname); 2141 2142 val = sa_get_resource_description(resource); 2143 if (val == NULL) 2144 val = sa_get_share_description(share); 2145 2146 if (val != NULL) { 2147 (void) strlcpy(si->shr_cmnt, val, sizeof (si->shr_cmnt)); 2148 sa_free_share_description(val); 2149 } 2150 2151 si->shr_flags = (sa_is_persistent(share)) 2152 ? SMB_SHRF_PERM : SMB_SHRF_TRANS; 2153 2154 opts = sa_get_derived_optionset(resource, SMB_PROTOCOL_NAME, 1); 2155 if (opts == NULL) 2156 return (SA_OK); 2157 2158 if (smb_saprop_getbool(opts, SHOPT_CATIA, B_FALSE)) 2159 si->shr_flags |= SMB_SHRF_CATIA; 2160 2161 if (smb_saprop_getbool(opts, SHOPT_ABE, B_FALSE)) 2162 si->shr_flags |= SMB_SHRF_ABE; 2163 2164 if (smb_saprop_getbool(opts, SHOPT_GUEST, B_FALSE)) 2165 si->shr_flags |= SMB_SHRF_GUEST_OK; 2166 2167 if (smb_saprop_getbool(opts, SHOPT_DFSROOT, B_FALSE)) 2168 si->shr_flags |= SMB_SHRF_DFSROOT; 2169 2170 if (smb_saprop_getbool(opts, SHOPT_CA, B_FALSE)) 2171 si->shr_flags |= SMB_SHRF_CA; 2172 2173 if (smb_saprop_getbool(opts, SHOPT_FSO, B_FALSE)) 2174 si->shr_flags |= SMB_SHRF_FSO; 2175 2176 /* Quotas are enabled by default. */ 2177 if (smb_saprop_getbool(opts, SHOPT_QUOTAS, B_TRUE)) 2178 si->shr_flags |= SMB_SHRF_QUOTAS; 2179 2180 if (smb_saprop_getstr(opts, SHOPT_ENCRYPT, strbuf, sizeof (strbuf))) 2181 smb_cfg_set_require(strbuf, &si->shr_encrypt); 2182 2183 (void) smb_saprop_getstr(opts, SHOPT_AD_CONTAINER, si->shr_container, 2184 sizeof (si->shr_container)); 2185 2186 if (smb_saprop_getstr(opts, SHOPT_CSC, csc_value, sizeof (csc_value))) 2187 smb_csc_option(csc_value, si); 2188 2189 if (smb_saprop_getstr(opts, SHOPT_RO, si->shr_access_ro, 2190 sizeof (si->shr_access_ro))) 2191 si->shr_flags |= SMB_SHRF_ACC_RO; 2192 2193 if (smb_saprop_getstr(opts, SHOPT_RW, si->shr_access_rw, 2194 sizeof (si->shr_access_rw))) 2195 si->shr_flags |= SMB_SHRF_ACC_RW; 2196 2197 if (smb_saprop_getstr(opts, SHOPT_NONE, si->shr_access_none, 2198 sizeof (si->shr_access_none))) 2199 si->shr_flags |= SMB_SHRF_ACC_NONE; 2200 2201 sa_free_derived_optionset(opts); 2202 return (SA_OK); 2203 } 2204 2205 /* 2206 * Map a client-side caching (CSC) option to the appropriate share 2207 * flag. Only one option is allowed; an error will be logged if 2208 * multiple options have been specified. We don't need to do anything 2209 * about multiple values here because the SRVSVC will not recognize 2210 * a value containing multiple flags and will return the default value. 2211 * 2212 * If the option value is not recognized, it will be ignored: invalid 2213 * values will typically be caught and rejected by sharemgr. 2214 */ 2215 static void 2216 smb_csc_option(const char *value, smb_share_t *si) 2217 { 2218 char buf[SMB_CSC_BUFSZ]; 2219 int i; 2220 2221 for (i = 0; i < (sizeof (cscopt) / sizeof (cscopt[0])); ++i) { 2222 if (strcasecmp(value, cscopt[i].value) == 0) { 2223 si->shr_flags |= cscopt[i].flag; 2224 break; 2225 } 2226 } 2227 2228 switch (si->shr_flags & SMB_SHRF_CSC_MASK) { 2229 case 0: 2230 case SMB_SHRF_CSC_DISABLED: 2231 case SMB_SHRF_CSC_MANUAL: 2232 case SMB_SHRF_CSC_AUTO: 2233 case SMB_SHRF_CSC_VDO: 2234 break; 2235 2236 default: 2237 buf[0] = '\0'; 2238 2239 for (i = 0; i < (sizeof (cscopt) / sizeof (cscopt[0])); ++i) { 2240 if (si->shr_flags & cscopt[i].flag) { 2241 (void) strlcat(buf, " ", SMB_CSC_BUFSZ); 2242 (void) strlcat(buf, cscopt[i].value, 2243 SMB_CSC_BUFSZ); 2244 } 2245 } 2246 2247 syslog(LOG_ERR, "csc option conflict:%s", buf); 2248 break; 2249 } 2250 } 2251 2252 /* 2253 * Return the option name for the first CSC flag (there should be only 2254 * one) encountered in the share flags. 2255 */ 2256 static char * 2257 smb_csc_name(const smb_share_t *si) 2258 { 2259 int i; 2260 2261 for (i = 0; i < (sizeof (cscopt) / sizeof (cscopt[0])); ++i) { 2262 if (si->shr_flags & cscopt[i].flag) 2263 return (cscopt[i].value); 2264 } 2265 2266 return (NULL); 2267 } 2268 2269 /* 2270 * smb_get_defaultgrp 2271 * 2272 * If default group for CIFS shares (i.e. "smb") exists 2273 * then it will return the group handle, otherwise it will 2274 * create the group and return the handle. 2275 * 2276 * All the shares created by CIFS clients (this is only possible 2277 * via RPC) will be added to "smb" groups. 2278 */ 2279 static sa_group_t 2280 smb_get_defaultgrp(sa_handle_t handle) 2281 { 2282 sa_group_t group = NULL; 2283 int err; 2284 2285 group = sa_get_group(handle, SMB_DEFAULT_SHARE_GROUP); 2286 if (group != NULL) 2287 return (group); 2288 2289 group = sa_create_group(handle, SMB_DEFAULT_SHARE_GROUP, &err); 2290 if (group == NULL) 2291 return (NULL); 2292 2293 if (sa_create_optionset(group, SMB_DEFAULT_SHARE_GROUP) == NULL) { 2294 (void) sa_remove_group(group); 2295 group = NULL; 2296 } 2297 2298 return (group); 2299 } 2300 2301 /* 2302 * Checks to see if the command args are the supported substitution specifier. 2303 * i.e. <cmd> %U %S 2304 */ 2305 static int 2306 cmd_validator(int index, char *value) 2307 { 2308 char cmd[MAXPATHLEN]; 2309 char *ptr, *v; 2310 boolean_t skip_cmdname; 2311 2312 if (string_length_check_validator(index, value) != SA_OK) 2313 return (SA_BAD_VALUE); 2314 2315 if (*value == '\0') 2316 return (SA_OK); 2317 2318 (void) strlcpy(cmd, value, sizeof (cmd)); 2319 2320 ptr = cmd; 2321 skip_cmdname = B_TRUE; 2322 do { 2323 if ((v = strsep(&ptr, " ")) == NULL) 2324 break; 2325 2326 if (*v != '\0') { 2327 2328 if (skip_cmdname) { 2329 skip_cmdname = B_FALSE; 2330 continue; 2331 } 2332 2333 if ((strlen(v) != 2) || *v != '%') 2334 return (SA_BAD_VALUE); 2335 2336 if (strpbrk(v, SMB_VALID_SUB_CHRS) == NULL) 2337 return (SA_BAD_VALUE); 2338 } 2339 2340 } while (v != NULL); 2341 2342 /* 2343 * If skip_cmdname is still true then the string contains 2344 * only spaces. Don't allow such a string. 2345 */ 2346 if (skip_cmdname) 2347 return (SA_BAD_VALUE); 2348 2349 return (SA_OK); 2350 } 2351 2352 /*ARGSUSED*/ 2353 static int 2354 disposition_validator(int index, char *value) 2355 { 2356 if (value == NULL) 2357 return (SA_BAD_VALUE); 2358 2359 if (*value == '\0') 2360 return (SA_OK); 2361 2362 if ((strcasecmp(value, SMB_EXEC_DISP_CONTINUE) == 0) || 2363 (strcasecmp(value, SMB_EXEC_DISP_TERMINATE) == 0)) 2364 return (SA_OK); 2365 2366 return (SA_BAD_VALUE); 2367 } 2368 2369 static int 2370 protocol_validator(int index, char *value) 2371 { 2372 struct smb_proto_option_defs *opt; 2373 smb_cfg_val_t encrypt; 2374 uint32_t max; 2375 uint32_t min; 2376 uint32_t val; 2377 2378 if (value == NULL) 2379 return (SA_BAD_VALUE); 2380 2381 /* Allow setting back to empty (use defaults) */ 2382 if (*value == '\0') 2383 return (SA_OK); 2384 2385 val = smb_convert_version_str(value); 2386 if (val == 0) 2387 return (SA_BAD_VALUE); 2388 2389 /* 2390 * We don't want people who care enough about protecting their data 2391 * by requiring encryption to accidentally expose their data by 2392 * lowering the max protocol, so prevent them from going below 3.0 2393 * if encryption is required. 2394 * Also, ensure that max_protocol >= min_protocol. 2395 */ 2396 opt = &smb_proto_options[index]; 2397 switch (opt->smb_index) { 2398 2399 case SMB_CI_MAX_PROTOCOL: 2400 2401 encrypt = smb_config_get_require(SMB_CI_ENCRYPT); 2402 if (encrypt == SMB_CONFIG_REQUIRED && val < SMB_VERS_3_0) { 2403 syslog(LOG_ERR, "Cannot set smbd/max_protocol below 3.0" 2404 " while smbd/encrypt == required."); 2405 return (SA_VALUE_CONFLICT); 2406 } 2407 min = smb_config_get_min_protocol(); 2408 if (val < min) { 2409 syslog(LOG_ERR, "Cannot set smbd/max_protocol to less" 2410 " than smbd/min_protocol."); 2411 return (SA_VALUE_CONFLICT); 2412 } 2413 break; 2414 2415 case SMB_CI_MIN_PROTOCOL: 2416 2417 max = smb_config_get_max_protocol(); 2418 if (val > max) { 2419 syslog(LOG_ERR, "Cannot set smbd/min_protocol to more" 2420 " than smbd/max_protocol."); 2421 return (SA_VALUE_CONFLICT); 2422 } 2423 break; 2424 2425 default: 2426 syslog(LOG_ERR, "Unexpected smb protocol validator index %d", 2427 opt->smb_index); 2428 return (SA_BAD_VALUE); 2429 } 2430 2431 return (SA_OK); 2432 } 2433 2434 /*ARGSUSED*/ 2435 static int 2436 ciphers_validator(int index, char *value) 2437 { 2438 2439 if (value == NULL) 2440 return (SA_BAD_VALUE); 2441 2442 /* Allow setting back to empty (use defaults) */ 2443 if (*value == '\0') 2444 return (SA_OK); 2445 2446 if (smb_convert_encrypt_ciphers(value) <= 0) 2447 return (SA_BAD_VALUE); 2448 2449 return (SA_OK); 2450 } 2451 2452 /* 2453 * Updates the optionset properties of the share resource. 2454 * The properties are given as a list of name-value pair. 2455 * The name argument should be the optionset property name and the value 2456 * should be a valid value for the specified property. 2457 * 2458 * When calling this function for permanent shares, the caller must also 2459 * call sa_commit_properties() to commit the changes to SMF. 2460 */ 2461 static int 2462 smb_update_optionset_props(sa_handle_t handle, sa_resource_t resource, 2463 nvlist_t *nvl) 2464 { 2465 sa_property_t prop; 2466 sa_optionset_t opts; 2467 int err = SA_OK; 2468 nvpair_t *cur; 2469 char *name, *val; 2470 2471 if ((opts = sa_get_optionset(resource, SMB_PROTOCOL_NAME)) == NULL) { 2472 opts = sa_create_optionset(resource, SMB_PROTOCOL_NAME); 2473 if (opts == NULL) 2474 return (SA_CONFIG_ERR); 2475 } 2476 2477 cur = nvlist_next_nvpair(nvl, NULL); 2478 while (cur != NULL) { 2479 name = nvpair_name(cur); 2480 err = nvpair_value_string(cur, &val); 2481 if ((err != 0) || (name == NULL) || (val == NULL)) { 2482 err = SA_CONFIG_ERR; 2483 break; 2484 } 2485 2486 prop = NULL; 2487 if ((prop = sa_get_property(opts, name)) == NULL) { 2488 prop = sa_create_property(name, val); 2489 if (prop != NULL) { 2490 err = sa_valid_property(handle, opts, 2491 SMB_PROTOCOL_NAME, prop); 2492 if (err != SA_OK) { 2493 (void) sa_remove_property(prop); 2494 break; 2495 } 2496 } 2497 err = sa_add_property(opts, prop); 2498 if (err != SA_OK) 2499 break; 2500 } else { 2501 err = sa_update_property(prop, val); 2502 if (err != SA_OK) 2503 break; 2504 } 2505 2506 cur = nvlist_next_nvpair(nvl, cur); 2507 } 2508 2509 return (err); 2510 } 2511 2512 static boolean_t 2513 smb_saprop_getbool(sa_optionset_t opts, char *propname, boolean_t def) 2514 { 2515 sa_property_t prop; 2516 char *val; 2517 boolean_t ret = def; 2518 2519 prop = sa_get_property(opts, propname); 2520 if ((val = sa_get_property_attr(prop, "value")) != NULL) { 2521 if (def) { 2522 /* Default is true, ret false if... */ 2523 if ((strcasecmp(val, "false") == 0) || 2524 (strcmp(val, "0") == 0)) 2525 ret = B_FALSE; 2526 } else { 2527 /* Default is false, ret true if... */ 2528 if ((strcasecmp(val, "true") == 0) || 2529 (strcmp(val, "1") == 0)) 2530 ret = B_TRUE; 2531 } 2532 free(val); 2533 } 2534 2535 return (ret); 2536 } 2537 2538 static boolean_t 2539 smb_saprop_getstr(sa_optionset_t opts, char *propname, char *buf, size_t bufsz) 2540 { 2541 sa_property_t prop; 2542 char *val; 2543 2544 prop = sa_get_property(opts, propname); 2545 if ((val = sa_get_property_attr(prop, "value")) != NULL) { 2546 (void) strlcpy(buf, val, bufsz); 2547 free(val); 2548 return (B_TRUE); 2549 } 2550 2551 return (B_FALSE); 2552 } 2553