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 2020-2023 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 static int sign_algs_validator(int, char *); 92 93 static int smb_enable_resource(sa_resource_t); 94 static int smb_disable_resource(sa_resource_t); 95 static uint64_t smb_share_features(void); 96 static int smb_list_transient(sa_handle_t); 97 98 static int smb_build_shareinfo(sa_share_t, sa_resource_t, smb_share_t *); 99 static void smb_csc_option(const char *, smb_share_t *); 100 static char *smb_csc_name(const smb_share_t *); 101 static sa_group_t smb_get_defaultgrp(sa_handle_t); 102 static int interface_validator(int, char *); 103 static int smb_update_optionset_props(sa_handle_t, sa_resource_t, nvlist_t *); 104 105 static boolean_t smb_saprop_getbool(sa_optionset_t, char *, boolean_t); 106 static boolean_t smb_saprop_getstr(sa_optionset_t, char *, char *, size_t); 107 108 static struct { 109 char *value; 110 uint32_t flag; 111 } cscopt[] = { 112 { "disabled", SMB_SHRF_CSC_DISABLED }, 113 { "manual", SMB_SHRF_CSC_MANUAL }, 114 { "auto", SMB_SHRF_CSC_AUTO }, 115 { "vdo", SMB_SHRF_CSC_VDO } 116 }; 117 118 /* size of basic format allocation */ 119 #define OPT_CHUNK 1024 120 121 /* size of string for types - big enough to hold "dependency" */ 122 #define SCFTYPE_LEN 32 123 124 /* 125 * Indexes of entries in smb_proto_options table. 126 * Changes to smb_proto_options table may require 127 * an update to these values. 128 */ 129 #define PROTO_OPT_WINS1 6 130 #define PROTO_OPT_WINS_EXCLUDE 8 131 132 typedef struct smb_hostifs_walker { 133 const char *hiw_ifname; 134 boolean_t hiw_matchfound; 135 } smb_hostifs_walker_t; 136 137 138 /* 139 * ops vector that provides the protocol specific info and operations 140 * for share management. 141 */ 142 143 struct sa_plugin_ops sa_plugin_ops = { 144 SA_PLUGIN_VERSION, 145 SMB_PROTOCOL_NAME, 146 smb_share_init, 147 smb_share_fini, 148 smb_enable_share, 149 smb_disable_share, 150 smb_validate_property, 151 NULL, /* valid_space */ 152 NULL, /* security_prop */ 153 smb_parse_optstring, 154 smb_format_options, 155 smb_set_proto_prop, 156 smb_get_proto_set, 157 smb_get_status, 158 NULL, /* space_alias */ 159 NULL, /* update_legacy */ 160 NULL, /* delete_legacy */ 161 smb_share_changed, 162 smb_enable_resource, 163 smb_disable_resource, 164 smb_share_features, 165 smb_list_transient, 166 smb_resource_changed, 167 smb_rename_resource, 168 NULL, /* run_command */ 169 NULL, /* command_help */ 170 NULL /* delete_proto_section */ 171 }; 172 173 struct option_defs optdefs[] = { 174 { SHOPT_AD_CONTAINER, OPT_TYPE_STRING }, 175 { SHOPT_ABE, OPT_TYPE_BOOLEAN }, 176 { SHOPT_NAME, OPT_TYPE_NAME }, 177 { SHOPT_RO, OPT_TYPE_ACCLIST }, 178 { SHOPT_RW, OPT_TYPE_ACCLIST }, 179 { SHOPT_NONE, OPT_TYPE_ACCLIST }, 180 { SHOPT_CATIA, OPT_TYPE_BOOLEAN }, 181 { SHOPT_CSC, OPT_TYPE_CSC }, 182 { SHOPT_GUEST, OPT_TYPE_BOOLEAN }, 183 { SHOPT_DFSROOT, OPT_TYPE_BOOLEAN }, 184 { SHOPT_DESCRIPTION, OPT_TYPE_STRING }, 185 { SHOPT_CA, OPT_TYPE_BOOLEAN }, 186 { SHOPT_FSO, OPT_TYPE_BOOLEAN }, 187 { SHOPT_QUOTAS, OPT_TYPE_BOOLEAN }, 188 { SHOPT_ENCRYPT, OPT_TYPE_STRING }, 189 { NULL, 0 } 190 }; 191 192 /* 193 * findopt(name) 194 * 195 * Lookup option "name" in the option table and return the table 196 * index. 197 */ 198 static int 199 findopt(char *name) 200 { 201 int i; 202 if (name != NULL) { 203 for (i = 0; optdefs[i].tag != NULL; i++) { 204 if (strcmp(optdefs[i].tag, name) == 0) 205 return (i); 206 } 207 } 208 return (-1); 209 } 210 211 /* 212 * is_a_number(number) 213 * 214 * is the string a number in one of the forms we want to use? 215 */ 216 static boolean_t 217 is_a_number(char *number) 218 { 219 boolean_t isnum = B_TRUE; 220 boolean_t ishex = B_FALSE; 221 222 if (number == NULL || *number == '\0') 223 return (B_FALSE); 224 225 if (strncasecmp(number, "0x", 2) == 0) { 226 number += 2; 227 ishex = B_TRUE; 228 } else if (*number == '-') { 229 number++; 230 } 231 232 while (isnum && (*number != '\0')) { 233 isnum = (ishex) ? isxdigit(*number) : isdigit(*number); 234 number++; 235 } 236 237 return (isnum); 238 } 239 240 /* 241 * check ro vs rw values. Over time this may get beefed up. 242 * for now it just does simple checks. 243 */ 244 245 static int 246 check_rorw(char *v1, char *v2) 247 { 248 int ret = SA_OK; 249 if (strcmp(v1, v2) == 0) 250 ret = SA_VALUE_CONFLICT; 251 return (ret); 252 } 253 254 /* 255 * validresource(name) 256 * 257 * Check that name only has valid characters in it. The current valid 258 * set are the printable characters but not including: 259 * " / \ [ ] : | < > + ; , ? * = \t 260 * Note that space is included and there is a maximum length. 261 */ 262 static boolean_t 263 validresource(const char *name) 264 { 265 const char *cp; 266 size_t len; 267 268 if (name == NULL) 269 return (B_FALSE); 270 271 len = strlen(name); 272 if (len == 0 || len > SA_MAX_RESOURCE_NAME) 273 return (B_FALSE); 274 275 if (strpbrk(name, "\"/\\[]:|<>+;,?*=\t") != NULL) { 276 return (B_FALSE); 277 } 278 279 for (cp = name; *cp != '\0'; cp++) 280 if (iscntrl(*cp)) 281 return (B_FALSE); 282 283 return (B_TRUE); 284 } 285 286 /* 287 * Check that the client-side caching (CSC) option value is valid. 288 */ 289 static boolean_t 290 validcsc(const char *value) 291 { 292 int i; 293 294 for (i = 0; i < (sizeof (cscopt) / sizeof (cscopt[0])); ++i) { 295 if (strcasecmp(value, cscopt[i].value) == 0) 296 return (B_TRUE); 297 } 298 299 return (B_FALSE); 300 } 301 302 /* 303 * smb_isonline() 304 * 305 * Determine if the SMF service instance is in the online state or 306 * not. A number of operations depend on this state. 307 */ 308 static boolean_t 309 smb_isonline(void) 310 { 311 char *str; 312 boolean_t ret = B_FALSE; 313 314 if ((str = smf_get_state(SMBD_DEFAULT_INSTANCE_FMRI)) != NULL) { 315 ret = (strcmp(str, SCF_STATE_STRING_ONLINE) == 0); 316 free(str); 317 } 318 return (ret); 319 } 320 321 /* 322 * smb_isdisabled() 323 * 324 * Determine if the SMF service instance is in the disabled state or 325 * not. A number of operations depend on this state. 326 */ 327 static boolean_t 328 smb_isdisabled(void) 329 { 330 char *str; 331 boolean_t ret = B_FALSE; 332 333 if ((str = smf_get_state(SMBD_DEFAULT_INSTANCE_FMRI)) != NULL) { 334 ret = (strcmp(str, SCF_STATE_STRING_DISABLED) == 0); 335 free(str); 336 } 337 return (ret); 338 } 339 340 /* 341 * smb_isautoenable() 342 * 343 * Determine if the SMF service instance auto_enabled set or not. A 344 * number of operations depend on this state. The property not being 345 * set or being set to true means autoenable. Only being set to false 346 * is not autoenabled. 347 */ 348 static boolean_t 349 smb_isautoenable(void) 350 { 351 boolean_t ret = B_TRUE; 352 scf_simple_prop_t *prop; 353 uint8_t *retstr; 354 355 prop = scf_simple_prop_get(NULL, SMBD_DEFAULT_INSTANCE_FMRI, 356 "application", "auto_enable"); 357 if (prop != NULL) { 358 retstr = scf_simple_prop_next_boolean(prop); 359 ret = *retstr != 0; 360 scf_simple_prop_free(prop); 361 } 362 return (ret); 363 } 364 365 /* 366 * smb_ismaint() 367 * 368 * Determine if the SMF service instance is in the disabled state or 369 * not. A number of operations depend on this state. 370 */ 371 static boolean_t 372 smb_ismaint(void) 373 { 374 char *str; 375 boolean_t ret = B_FALSE; 376 377 if ((str = smf_get_state(SMBD_DEFAULT_INSTANCE_FMRI)) != NULL) { 378 ret = (strcmp(str, SCF_STATE_STRING_MAINT) == 0); 379 free(str); 380 } 381 return (ret); 382 } 383 384 /* 385 * smb_enable_share tells the implementation that it is to enable the share. 386 * This entails converting the path and options into the appropriate ioctl 387 * calls. It is assumed that all error checking of paths, etc. were 388 * done earlier. 389 */ 390 static int 391 smb_enable_share(sa_share_t share) 392 { 393 char *path; 394 smb_share_t si; 395 sa_resource_t resource; 396 boolean_t iszfs; 397 int err = SA_OK; 398 boolean_t online; 399 400 /* 401 * Don't support Trusted Extensions. 402 */ 403 if (is_system_labeled()) { 404 (void) printf(dgettext(TEXT_DOMAIN, 405 "SMB: service not supported with Trusted Extensions\n")); 406 return (SA_NOT_SUPPORTED); 407 } 408 409 /* get the path since it is important in several places */ 410 path = sa_get_share_attr(share, "path"); 411 if (path == NULL) 412 return (SA_NO_SUCH_PATH); 413 414 /* 415 * If administratively disabled, don't try to start anything. 416 */ 417 online = smb_isonline(); 418 if (!online && !smb_isautoenable() && smb_isdisabled()) 419 goto done; 420 421 iszfs = sa_path_is_zfs(path); 422 423 if (!online) { 424 err = smb_enable_service(); 425 if (err != SA_OK) { 426 (void) printf(dgettext(TEXT_DOMAIN, 427 "SMB: Unable to enable service\n")); 428 } else { 429 online = B_TRUE; 430 } 431 } 432 433 /* 434 * Don't bother trying to start shares if the service isn't 435 * running. 436 */ 437 if (!online) 438 goto done; 439 440 /* Each share can have multiple resources */ 441 for (resource = sa_get_share_resource(share, NULL); 442 resource != NULL; 443 resource = sa_get_next_resource(resource)) { 444 err = smb_build_shareinfo(share, resource, &si); 445 if (err != SA_OK) { 446 sa_free_attr_string(path); 447 return (err); 448 } 449 450 if (!iszfs) { 451 err = smb_share_create(&si); 452 } else { 453 share_t sh; 454 455 (void) sa_sharetab_fill_zfs(share, &sh, "smb"); 456 err = sa_share_zfs(share, resource, (char *)path, &sh, 457 &si, ZFS_SHARE_SMB); 458 if (err != SA_OK) { 459 errno = err; 460 err = -1; 461 } 462 sa_emptyshare(&sh); 463 } 464 } 465 if (!iszfs) 466 (void) sa_update_sharetab(share, "smb"); 467 done: 468 sa_free_attr_string(path); 469 470 return (err == NERR_DuplicateShare ? 0 : err); 471 } 472 473 /* 474 * This is the share for CIFS all shares have resource names. 475 * Enable tells the smb server to update its hash. If it fails 476 * because smb server is down, we just ignore as smb server loads 477 * the resources from sharemanager at startup. 478 */ 479 480 static int 481 smb_enable_resource(sa_resource_t resource) 482 { 483 sa_share_t share; 484 smb_share_t si; 485 int ret = SA_OK; 486 int err; 487 boolean_t isonline; 488 489 share = sa_get_resource_parent(resource); 490 if (share == NULL) 491 return (SA_NO_SUCH_PATH); 492 493 /* 494 * If administratively disabled, don't try to start anything. 495 */ 496 isonline = smb_isonline(); 497 if (!isonline && !smb_isautoenable() && smb_isdisabled()) 498 return (SA_OK); 499 500 if (!isonline) { 501 (void) smb_enable_service(); 502 503 if (!smb_isonline()) 504 return (SA_OK); 505 } 506 507 if ((ret = smb_build_shareinfo(share, resource, &si)) != SA_OK) 508 return (ret); 509 510 /* 511 * Attempt to add the share. Any error that occurs if it was 512 * online is an error but don't count NERR_DuplicateName if 513 * smb/server had to be brought online since bringing the 514 * service up will enable the share that was just added prior 515 * to the attempt to enable. 516 */ 517 err = smb_share_create(&si); 518 if (err == NERR_Success || !(!isonline && err == NERR_DuplicateName)) 519 (void) sa_update_sharetab(share, "smb"); 520 else 521 return (SA_NOT_SHARED); 522 523 return (SA_OK); 524 } 525 526 /* 527 * Remove it from smb server hash. 528 */ 529 static int 530 smb_disable_resource(sa_resource_t resource) 531 { 532 char *rname; 533 uint32_t res; 534 sa_share_t share; 535 536 rname = sa_get_resource_attr(resource, "name"); 537 if (rname == NULL) 538 return (SA_NO_SUCH_RESOURCE); 539 540 if (smb_isonline()) { 541 res = smb_share_delete(rname); 542 if (res != NERR_Success && 543 res != NERR_NetNameNotFound) { 544 sa_free_attr_string(rname); 545 return (SA_CONFIG_ERR); 546 } 547 } 548 549 sa_free_attr_string(rname); 550 551 share = sa_get_resource_parent(resource); 552 if (share != NULL) { 553 rname = sa_get_share_attr(share, "path"); 554 if (rname != NULL) { 555 sa_handle_t handle; 556 557 handle = sa_find_group_handle((sa_group_t)resource); 558 (void) sa_delete_sharetab(handle, rname, "smb"); 559 sa_free_attr_string(rname); 560 } 561 } 562 /* 563 * Always return OK as smb/server may be down and 564 * Shares will be picked up when loaded. 565 */ 566 return (SA_OK); 567 } 568 569 /* 570 * smb_share_changed(sa_share_t share) 571 * 572 * The specified share has changed. 573 */ 574 static int 575 smb_share_changed(sa_share_t share) 576 { 577 char *path; 578 sa_resource_t resource; 579 580 if (!smb_isonline()) 581 return (SA_OK); 582 583 /* get the path since it is important in several places */ 584 path = sa_get_share_attr(share, "path"); 585 if (path == NULL) 586 return (SA_NO_SUCH_PATH); 587 588 for (resource = sa_get_share_resource(share, NULL); 589 resource != NULL; 590 resource = sa_get_next_resource(resource)) 591 (void) smb_resource_changed(resource); 592 593 sa_free_attr_string(path); 594 595 return (SA_OK); 596 } 597 598 /* 599 * smb_resource_changed(sa_resource_t resource) 600 * 601 * The specified resource has changed. 602 */ 603 static int 604 smb_resource_changed(sa_resource_t resource) 605 { 606 uint32_t res; 607 sa_share_t share; 608 smb_share_t si; 609 610 if (!smb_isonline()) 611 return (SA_OK); 612 613 if ((share = sa_get_resource_parent(resource)) == NULL) 614 return (SA_CONFIG_ERR); 615 616 if ((res = smb_build_shareinfo(share, resource, &si)) != SA_OK) 617 return (res); 618 619 res = smb_share_modify(&si); 620 621 if (res != NERR_Success) 622 return (SA_CONFIG_ERR); 623 624 return (smb_enable_service()); 625 } 626 627 /* 628 * smb_disable_share(sa_share_t share, char *path) 629 * 630 * Unshare the specified share. Note that "path" is the same 631 * path as what is in the "share" object. It is passed in to avoid an 632 * additional lookup. A missing "path" value makes this a no-op 633 * function. 634 */ 635 static int 636 smb_disable_share(sa_share_t share, char *path) 637 { 638 char *rname; 639 sa_resource_t resource; 640 sa_group_t parent; 641 boolean_t iszfs; 642 int err = SA_OK; 643 int ret = SA_OK; 644 sa_handle_t handle; 645 boolean_t first = B_TRUE; /* work around sharetab issue */ 646 647 if (path == NULL) 648 return (ret); 649 650 /* 651 * If the share is in a ZFS group we need to handle it 652 * differently. Just being on a ZFS file system isn't 653 * enough since we may be in a legacy share case. 654 */ 655 parent = sa_get_parent_group(share); 656 iszfs = sa_group_is_zfs(parent); 657 658 if (!smb_isonline()) 659 goto done; 660 661 for (resource = sa_get_share_resource(share, NULL); 662 resource != NULL; 663 resource = sa_get_next_resource(resource)) { 664 rname = sa_get_resource_attr(resource, "name"); 665 if (rname == NULL) { 666 continue; 667 } 668 if (!iszfs) { 669 err = smb_share_delete(rname); 670 switch (err) { 671 case NERR_NetNameNotFound: 672 case NERR_Success: 673 err = SA_OK; 674 break; 675 default: 676 err = SA_CONFIG_ERR; 677 break; 678 } 679 } else { 680 share_t sh; 681 682 (void) sa_sharetab_fill_zfs(share, &sh, "smb"); 683 err = sa_share_zfs(share, resource, (char *)path, &sh, 684 rname, ZFS_UNSHARE_SMB); 685 if (err != SA_OK) { 686 switch (err) { 687 case EINVAL: 688 case ENOENT: 689 err = SA_OK; 690 break; 691 default: 692 /* 693 * If we are no longer the first case, 694 * we don't care about the sa_share_zfs 695 * err if it is -1. This works around 696 * a problem in sharefs and should be 697 * removed when sharefs supports 698 * multiple entries per path. 699 */ 700 if (!first) 701 err = SA_OK; 702 else 703 err = SA_SYSTEM_ERR; 704 break; 705 } 706 } 707 708 first = B_FALSE; 709 710 sa_emptyshare(&sh); 711 } 712 713 if (err != SA_OK) 714 ret = err; 715 sa_free_attr_string(rname); 716 } 717 done: 718 if (!iszfs) { 719 handle = sa_find_group_handle((sa_group_t)share); 720 if (handle != NULL) 721 (void) sa_delete_sharetab(handle, path, "smb"); 722 else 723 ret = SA_SYSTEM_ERR; 724 } 725 return (ret); 726 } 727 728 /* 729 * smb_validate_property(handle, property, parent) 730 * 731 * Check that the property has a legitimate value for its type. 732 * Handle isn't currently used but may need to be in the future. 733 */ 734 735 /*ARGSUSED*/ 736 static int 737 smb_validate_property(sa_handle_t handle, sa_property_t property, 738 sa_optionset_t parent) 739 { 740 int ret = SA_OK; 741 char *propname; 742 int optindex; 743 sa_group_t parent_group; 744 char *value; 745 char *other; 746 747 propname = sa_get_property_attr(property, "type"); 748 749 if ((optindex = findopt(propname)) < 0) 750 ret = SA_NO_SUCH_PROP; 751 752 /* need to validate value range here as well */ 753 if (ret == SA_OK) { 754 parent_group = sa_get_parent_group((sa_share_t)parent); 755 if (optdefs[optindex].share && !sa_is_share(parent_group)) 756 ret = SA_PROP_SHARE_ONLY; 757 } 758 if (ret != SA_OK) { 759 if (propname != NULL) 760 sa_free_attr_string(propname); 761 return (ret); 762 } 763 764 value = sa_get_property_attr(property, "value"); 765 if (value != NULL) { 766 /* first basic type checking */ 767 switch (optdefs[optindex].type) { 768 case OPT_TYPE_NUMBER: 769 /* check that the value is all digits */ 770 if (!is_a_number(value)) 771 ret = SA_BAD_VALUE; 772 break; 773 case OPT_TYPE_BOOLEAN: 774 ret = true_false_validator(0, value); 775 break; 776 case OPT_TYPE_NAME: 777 /* 778 * Make sure no invalid characters 779 */ 780 if (!validresource(value)) 781 ret = SA_BAD_VALUE; 782 break; 783 case OPT_TYPE_STRING: 784 /* whatever is here should be ok */ 785 break; 786 case OPT_TYPE_CSC: 787 if (!validcsc(value)) 788 ret = SA_BAD_VALUE; 789 break; 790 case OPT_TYPE_ACCLIST: { 791 sa_property_t oprop; 792 char *ovalue; 793 /* 794 * access list handling. Should eventually 795 * validate that all the values make sense. 796 * Also, ro and rw may have cross value 797 * conflicts. 798 */ 799 if (parent == NULL) 800 break; 801 if (strcmp(propname, SHOPT_RO) == 0) 802 other = SHOPT_RW; 803 else if (strcmp(propname, SHOPT_RW) == 0) 804 other = SHOPT_RO; 805 else 806 other = NULL; 807 if (other == NULL) 808 break; 809 810 /* compare rw(ro) with ro(rw) */ 811 oprop = sa_get_property(parent, other); 812 if (oprop == NULL) 813 break; 814 /* 815 * only potential 816 * confusion if other 817 * exists 818 */ 819 ovalue = sa_get_property_attr(oprop, "value"); 820 if (ovalue != NULL) { 821 ret = check_rorw(value, ovalue); 822 sa_free_attr_string(ovalue); 823 } 824 break; 825 } 826 default: 827 break; 828 } 829 } 830 831 if (value != NULL) 832 sa_free_attr_string(value); 833 if (ret == SA_OK && optdefs[optindex].check != NULL) 834 /* do the property specific check */ 835 ret = optdefs[optindex].check(property); 836 837 if (propname != NULL) 838 sa_free_attr_string(propname); 839 return (ret); 840 } 841 842 /* 843 * Protocol management functions 844 * 845 * properties defined in the default files are defined in 846 * proto_option_defs for parsing and validation. 847 */ 848 849 struct smb_proto_option_defs { 850 int smb_index; 851 int32_t minval; 852 int32_t maxval; /* In case of length of string this should be max */ 853 int (*validator)(int, char *); 854 int32_t refresh; 855 } smb_proto_options[] = { 856 { SMB_CI_SYS_CMNT, 0, MAX_VALUE_BUFLEN, 857 string_length_check_validator, SMB_REFRESH_REFRESH }, 858 { SMB_CI_MAX_WORKERS, SMB_PI_MAX_WORKERS_MIN, SMB_PI_MAX_WORKERS_MAX, 859 range_check_validator, SMB_REFRESH_REFRESH }, 860 { SMB_CI_NETBIOS_ENABLE, 0, 0, true_false_validator, 861 SMB_REFRESH_REFRESH }, 862 { SMB_CI_NBSCOPE, 0, MAX_VALUE_BUFLEN, 863 string_length_check_validator, 0 }, 864 { SMB_CI_LM_LEVEL, 2, 5, range_check_validator, 0 }, 865 { SMB_CI_KEEPALIVE, 20, 5400, range_check_validator_zero_ok, 866 SMB_REFRESH_REFRESH }, 867 { SMB_CI_WINS_SRV1, 0, MAX_VALUE_BUFLEN, 868 ipv4_validator, SMB_REFRESH_REFRESH }, 869 { SMB_CI_WINS_SRV2, 0, MAX_VALUE_BUFLEN, 870 ipv4_validator, SMB_REFRESH_REFRESH }, 871 { SMB_CI_WINS_EXCL, 0, MAX_VALUE_BUFLEN, 872 interface_validator, SMB_REFRESH_REFRESH }, 873 { SMB_CI_SIGNING_ENABLE, 0, 0, true_false_validator, 874 SMB_REFRESH_REFRESH }, 875 { SMB_CI_SIGNING_REQD, 0, 0, true_false_validator, 876 SMB_REFRESH_REFRESH }, 877 { SMB_CI_RESTRICT_ANON, 0, 0, true_false_validator, 878 SMB_REFRESH_REFRESH }, 879 { SMB_CI_DOMAIN_SRV, 0, MAX_VALUE_BUFLEN, 880 hostname_validator, SMB_REFRESH_REFRESH }, 881 { SMB_CI_ADS_SITE, 0, MAX_VALUE_BUFLEN, 882 string_length_check_validator, SMB_REFRESH_REFRESH }, 883 { SMB_CI_DYNDNS_ENABLE, 0, 0, true_false_validator, 0 }, 884 { SMB_CI_AUTOHOME_MAP, 0, MAX_VALUE_BUFLEN, path_validator, 0 }, 885 { SMB_CI_IPV6_ENABLE, 0, 0, true_false_validator, 886 SMB_REFRESH_REFRESH }, 887 { SMB_CI_PRINT_ENABLE, 0, 0, print_enable_validator, 888 SMB_REFRESH_REFRESH }, 889 { SMB_CI_TRAVERSE_MOUNTS, 0, 0, true_false_validator, 890 SMB_REFRESH_REFRESH }, 891 { SMB_CI_MAP, 0, MAX_VALUE_BUFLEN, cmd_validator, SMB_REFRESH_REFRESH }, 892 { SMB_CI_UNMAP, 0, MAX_VALUE_BUFLEN, cmd_validator, 893 SMB_REFRESH_REFRESH }, 894 { SMB_CI_DISPOSITION, 0, MAX_VALUE_BUFLEN, 895 disposition_validator, SMB_REFRESH_REFRESH }, 896 { SMB_CI_MIN_PROTOCOL, 0, MAX_VALUE_BUFLEN, protocol_validator, 897 SMB_REFRESH_REFRESH }, 898 { SMB_CI_MAX_PROTOCOL, 0, MAX_VALUE_BUFLEN, protocol_validator, 899 SMB_REFRESH_REFRESH }, 900 { SMB_CI_ENCRYPT, 0, MAX_VALUE_BUFLEN, require_validator, 901 SMB_REFRESH_REFRESH }, 902 { SMB_CI_ENCRYPT_CIPHERS, 0, MAX_VALUE_BUFLEN, ciphers_validator, 903 SMB_REFRESH_REFRESH }, 904 { SMB_CI_BYPASS_TRAVERSE_CHECKING, 0, 0, true_false_validator, 905 SMB_REFRESH_REFRESH }, 906 { SMB_CI_OPLOCK_ENABLE, 0, 0, true_false_validator, 907 SMB_REFRESH_REFRESH }, 908 { SMB_CI_SHORT_NAMES, 0, 0, true_false_validator, 909 SMB_REFRESH_REFRESH }, 910 { SMB_CI_SIGN_ALGS, 0, MAX_VALUE_BUFLEN, sign_algs_validator, 911 SMB_REFRESH_REFRESH }, 912 }; 913 914 #define SMB_OPT_NUM \ 915 (sizeof (smb_proto_options) / sizeof (smb_proto_options[0])) 916 917 static int 918 require_validator(int index, char *value) 919 { 920 if (string_length_check_validator(index, value) != SA_OK) 921 return (SA_BAD_VALUE); 922 923 if (strcmp(value, "required") == 0) 924 return (SA_OK); 925 926 if (strcmp(value, "disabled") == 0) 927 return (SA_OK); 928 929 if (strcmp(value, "enabled") == 0) 930 return (SA_OK); 931 932 return (SA_BAD_VALUE); 933 } 934 935 /* 936 * Check the range of value as int range. 937 */ 938 static int 939 range_check_validator(int index, char *value) 940 { 941 int ret = SA_OK; 942 943 if (!is_a_number(value)) { 944 ret = SA_BAD_VALUE; 945 } else { 946 int val; 947 val = strtoul(value, NULL, 0); 948 if (val < smb_proto_options[index].minval || 949 val > smb_proto_options[index].maxval) 950 ret = SA_BAD_VALUE; 951 } 952 return (ret); 953 } 954 955 /* 956 * Check the range of value as int range. 957 */ 958 static int 959 range_check_validator_zero_ok(int index, char *value) 960 { 961 int ret = SA_OK; 962 963 if (!is_a_number(value)) { 964 ret = SA_BAD_VALUE; 965 } else { 966 int val; 967 val = strtoul(value, NULL, 0); 968 if (val == 0) 969 ret = SA_OK; 970 else { 971 if (val < smb_proto_options[index].minval || 972 val > smb_proto_options[index].maxval) 973 ret = SA_BAD_VALUE; 974 } 975 } 976 return (ret); 977 } 978 979 /* 980 * Check the length of the string 981 */ 982 static int 983 string_length_check_validator(int index, char *value) 984 { 985 int ret = SA_OK; 986 987 if (value == NULL) 988 return (SA_BAD_VALUE); 989 if (strlen(value) > smb_proto_options[index].maxval) 990 ret = SA_BAD_VALUE; 991 return (ret); 992 } 993 994 /* 995 * Check yes/no 996 */ 997 /*ARGSUSED*/ 998 static int 999 true_false_validator(int index, char *value) 1000 { 1001 if (value == NULL) 1002 return (SA_BAD_VALUE); 1003 if ((strcasecmp(value, "true") == 0) || 1004 (strcasecmp(value, "false") == 0)) 1005 return (SA_OK); 1006 return (SA_BAD_VALUE); 1007 } 1008 1009 /* 1010 * If printing support is compiled in, this is the same as: 1011 * true_false_validator. Otherwise, only allow false. 1012 */ 1013 /*ARGSUSED*/ 1014 static int 1015 print_enable_validator(int index, char *value) 1016 { 1017 if (value == NULL) 1018 return (SA_BAD_VALUE); 1019 1020 #ifdef HAVE_CUPS 1021 if (strcasecmp(value, "true") == 0) 1022 return (SA_OK); 1023 #endif 1024 if (strcasecmp(value, "false") == 0) 1025 return (SA_OK); 1026 1027 return (SA_BAD_VALUE); 1028 } 1029 1030 /* 1031 * Check IP v4 address. 1032 */ 1033 /*ARGSUSED*/ 1034 static int 1035 ipv4_validator(int index, char *value) 1036 { 1037 char sbytes[16]; 1038 1039 if (value == NULL) 1040 return (SA_OK); 1041 1042 if (strlen(value) == 0) 1043 return (SA_OK); 1044 1045 if (inet_pton(AF_INET, value, (void *)sbytes) != 1) 1046 return (SA_BAD_VALUE); 1047 1048 return (SA_OK); 1049 } 1050 1051 /* 1052 * Check that the specified name is an IP address (v4 or v6) or a hostname. 1053 * Per RFC 1035 and 1123, names may contain alphanumeric characters, hyphens 1054 * and dots. The first and last character of a label must be alphanumeric. 1055 * Interior characters may be alphanumeric or hypens. 1056 * 1057 * Domain names should not contain underscores but we allow them because 1058 * Windows names are often in non-compliance with this rule. 1059 */ 1060 /*ARGSUSED*/ 1061 static int 1062 hostname_validator(int index, char *value) 1063 { 1064 char sbytes[INET6_ADDRSTRLEN]; 1065 boolean_t new_label = B_TRUE; 1066 char *p; 1067 char label_terminator; 1068 int len; 1069 1070 if (value == NULL) 1071 return (SA_OK); 1072 1073 if ((len = strlen(value)) == 0) 1074 return (SA_OK); 1075 1076 if (inet_pton(AF_INET, value, (void *)sbytes) == 1) 1077 return (SA_OK); 1078 1079 if (inet_pton(AF_INET6, value, (void *)sbytes) == 1) 1080 return (SA_OK); 1081 1082 if (len >= MAXHOSTNAMELEN) 1083 return (SA_BAD_VALUE); 1084 1085 if (strspn(value, "0123456789.") == len) 1086 return (SA_BAD_VALUE); 1087 1088 label_terminator = *value; 1089 1090 for (p = value; *p != '\0'; ++p) { 1091 if (new_label) { 1092 if (!isalnum(*p)) 1093 return (SA_BAD_VALUE); 1094 new_label = B_FALSE; 1095 label_terminator = *p; 1096 continue; 1097 } 1098 1099 if (*p == '.') { 1100 if (!isalnum(label_terminator)) 1101 return (SA_BAD_VALUE); 1102 new_label = B_TRUE; 1103 label_terminator = *p; 1104 continue; 1105 } 1106 1107 label_terminator = *p; 1108 1109 if (isalnum(*p) || *p == '-' || *p == '_') 1110 continue; 1111 1112 return (SA_BAD_VALUE); 1113 } 1114 1115 if (!isalnum(label_terminator)) 1116 return (SA_BAD_VALUE); 1117 1118 return (SA_OK); 1119 } 1120 1121 /* 1122 * Call back function for dlpi_walk. 1123 * Returns TRUE if interface name exists on the host. 1124 */ 1125 static boolean_t 1126 smb_get_interface(const char *ifname, void *arg) 1127 { 1128 smb_hostifs_walker_t *iterp = arg; 1129 1130 iterp->hiw_matchfound = (strcmp(ifname, iterp->hiw_ifname) == 0); 1131 1132 return (iterp->hiw_matchfound); 1133 } 1134 1135 /* 1136 * Checks to see if the input interface exists on the host. 1137 * Returns B_TRUE if the match is found, B_FALSE otherwise. 1138 */ 1139 static boolean_t 1140 smb_validate_interface(const char *ifname) 1141 { 1142 smb_hostifs_walker_t iter; 1143 1144 if ((ifname == NULL) || (*ifname == '\0')) 1145 return (B_FALSE); 1146 1147 iter.hiw_ifname = ifname; 1148 iter.hiw_matchfound = B_FALSE; 1149 dlpi_walk(smb_get_interface, &iter, 0); 1150 1151 return (iter.hiw_matchfound); 1152 } 1153 1154 /* 1155 * Check valid interfaces. Interface names value can be NULL or empty. 1156 * Returns SA_BAD_VALUE if interface cannot be found on the host. 1157 */ 1158 /*ARGSUSED*/ 1159 static int 1160 interface_validator(int index, char *value) 1161 { 1162 char buf[16]; 1163 int ret = SA_OK; 1164 char *ifname, *tmp, *p; 1165 1166 if (value == NULL || *value == '\0') 1167 return (ret); 1168 1169 if (strlen(value) > MAX_VALUE_BUFLEN) 1170 return (SA_BAD_VALUE); 1171 1172 if ((p = strdup(value)) == NULL) 1173 return (SA_NO_MEMORY); 1174 1175 tmp = p; 1176 while ((ifname = strsep(&tmp, ",")) != NULL) { 1177 if (*ifname == '\0') { 1178 ret = SA_BAD_VALUE; 1179 break; 1180 } 1181 1182 if (!smb_validate_interface(ifname)) { 1183 if (inet_pton(AF_INET, ifname, (void *)buf) == 0) { 1184 ret = SA_BAD_VALUE; 1185 break; 1186 } 1187 } 1188 } 1189 1190 free(p); 1191 return (ret); 1192 } 1193 1194 /* 1195 * Check path 1196 */ 1197 /*ARGSUSED*/ 1198 static int 1199 path_validator(int index, char *path) 1200 { 1201 struct stat buffer; 1202 int fd, status; 1203 1204 if (path == NULL) 1205 return (SA_BAD_VALUE); 1206 1207 fd = open(path, O_RDONLY); 1208 if (fd < 0) 1209 return (SA_BAD_VALUE); 1210 1211 status = fstat(fd, &buffer); 1212 (void) close(fd); 1213 1214 if (status < 0) 1215 return (SA_BAD_VALUE); 1216 1217 if (buffer.st_mode & S_IFDIR) 1218 return (SA_OK); 1219 return (SA_BAD_VALUE); 1220 } 1221 1222 /* 1223 * the protoset holds the defined options so we don't have to read 1224 * them multiple times 1225 */ 1226 static sa_protocol_properties_t protoset; 1227 1228 static int 1229 findprotoopt(char *name) 1230 { 1231 int i; 1232 char *sc_name; 1233 1234 for (i = 0; i < SMB_OPT_NUM; i++) { 1235 sc_name = smb_config_getname(smb_proto_options[i].smb_index); 1236 if (strcasecmp(sc_name, name) == 0) 1237 return (i); 1238 } 1239 1240 return (-1); 1241 } 1242 1243 /* 1244 * smb_load_proto_properties() 1245 * 1246 * read the smb config values from SMF. 1247 */ 1248 1249 static int 1250 smb_load_proto_properties() 1251 { 1252 sa_property_t prop; 1253 char value[MAX_VALUE_BUFLEN]; 1254 char *name; 1255 int index; 1256 int ret = SA_OK; 1257 int rc; 1258 1259 protoset = sa_create_protocol_properties(SMB_PROTOCOL_NAME); 1260 if (protoset == NULL) 1261 return (SA_NO_MEMORY); 1262 1263 for (index = 0; index < SMB_OPT_NUM && ret == SA_OK; index++) { 1264 rc = smb_config_get(smb_proto_options[index].smb_index, 1265 value, sizeof (value)); 1266 if (rc != SMBD_SMF_OK) 1267 continue; 1268 name = smb_config_getname(smb_proto_options[index].smb_index); 1269 prop = sa_create_property(name, value); 1270 if (prop != NULL) 1271 ret = sa_add_protocol_property(protoset, prop); 1272 else 1273 ret = SA_NO_MEMORY; 1274 } 1275 return (ret); 1276 } 1277 1278 /* 1279 * smb_share_init() 1280 * 1281 * Initialize the smb plugin. 1282 */ 1283 1284 static int 1285 smb_share_init(void) 1286 { 1287 if (sa_plugin_ops.sa_init != smb_share_init) 1288 return (SA_SYSTEM_ERR); 1289 1290 smb_share_door_clnt_init(); 1291 return (smb_load_proto_properties()); 1292 } 1293 1294 /* 1295 * smb_share_fini() 1296 * 1297 */ 1298 static void 1299 smb_share_fini(void) 1300 { 1301 xmlFreeNode(protoset); 1302 protoset = NULL; 1303 1304 smb_share_door_clnt_fini(); 1305 } 1306 1307 /* 1308 * smb_get_proto_set() 1309 * 1310 * Return an optionset with all the protocol specific properties in 1311 * it. 1312 */ 1313 static sa_protocol_properties_t 1314 smb_get_proto_set(void) 1315 { 1316 return (protoset); 1317 } 1318 1319 /* 1320 * smb_enable_dependencies() 1321 * 1322 * SMBD_DEFAULT_INSTANCE_FMRI may have some dependencies that aren't 1323 * enabled. This will attempt to enable all of them. 1324 */ 1325 static void 1326 smb_enable_dependencies(const char *fmri) 1327 { 1328 scf_handle_t *handle; 1329 scf_service_t *service; 1330 scf_instance_t *inst = NULL; 1331 scf_iter_t *iter; 1332 scf_property_t *prop; 1333 scf_value_t *value; 1334 scf_propertygroup_t *pg; 1335 scf_scope_t *scope; 1336 char type[SCFTYPE_LEN]; 1337 char *dependency; 1338 char *servname; 1339 int maxlen; 1340 1341 /* 1342 * Get all required handles and storage. 1343 */ 1344 handle = scf_handle_create(SCF_VERSION); 1345 if (handle == NULL) 1346 return; 1347 1348 if (scf_handle_bind(handle) != 0) { 1349 scf_handle_destroy(handle); 1350 return; 1351 } 1352 1353 maxlen = scf_limit(SCF_LIMIT_MAX_VALUE_LENGTH); 1354 if (maxlen == (ssize_t)-1) 1355 maxlen = MAXPATHLEN; 1356 1357 dependency = malloc(maxlen); 1358 1359 service = scf_service_create(handle); 1360 1361 iter = scf_iter_create(handle); 1362 1363 pg = scf_pg_create(handle); 1364 1365 prop = scf_property_create(handle); 1366 1367 value = scf_value_create(handle); 1368 1369 scope = scf_scope_create(handle); 1370 1371 if (service == NULL || iter == NULL || pg == NULL || prop == NULL || 1372 value == NULL || scope == NULL || dependency == NULL) 1373 goto done; 1374 1375 /* 1376 * We passed in the FMRI for the default instance but for 1377 * some things we need the simple form so construct it. Since 1378 * we reuse the storage that dependency points to, we need to 1379 * use the servname early. 1380 */ 1381 (void) snprintf(dependency, maxlen, "%s", fmri + sizeof ("svc:")); 1382 servname = strrchr(dependency, ':'); 1383 if (servname == NULL) 1384 goto done; 1385 *servname = '\0'; 1386 servname = dependency; 1387 1388 /* 1389 * Setup to iterate over the service property groups, only 1390 * looking at those that are "dependency" types. The "entity" 1391 * property will have the FMRI of the service we are dependent 1392 * on. 1393 */ 1394 if (scf_handle_get_scope(handle, SCF_SCOPE_LOCAL, scope) != 0) 1395 goto done; 1396 1397 if (scf_scope_get_service(scope, servname, service) != 0) 1398 goto done; 1399 1400 if (scf_iter_service_pgs(iter, service) != 0) 1401 goto done; 1402 1403 while (scf_iter_next_pg(iter, pg) > 0) { 1404 char *services[2]; 1405 /* 1406 * Have a property group for the service. See if it is 1407 * a dependency pg and only do operations on those. 1408 */ 1409 if (scf_pg_get_type(pg, type, SCFTYPE_LEN) <= 0) 1410 continue; 1411 1412 if (strncmp(type, SCF_GROUP_DEPENDENCY, SCFTYPE_LEN) != 0) 1413 continue; 1414 /* 1415 * Have a dependency. Attempt to enable it. 1416 */ 1417 if (scf_pg_get_property(pg, SCF_PROPERTY_ENTITIES, prop) != 0) 1418 continue; 1419 1420 if (scf_property_get_value(prop, value) != 0) 1421 continue; 1422 1423 services[1] = NULL; 1424 1425 if (scf_value_get_as_string(value, dependency, maxlen) > 0) { 1426 services[0] = dependency; 1427 _check_services(services); 1428 } 1429 } 1430 1431 done: 1432 if (dependency != NULL) 1433 free(dependency); 1434 if (value != NULL) 1435 scf_value_destroy(value); 1436 if (prop != NULL) 1437 scf_property_destroy(prop); 1438 if (pg != NULL) 1439 scf_pg_destroy(pg); 1440 if (iter != NULL) 1441 scf_iter_destroy(iter); 1442 if (scope != NULL) 1443 scf_scope_destroy(scope); 1444 if (inst != NULL) 1445 scf_instance_destroy(inst); 1446 if (service != NULL) 1447 scf_service_destroy(service); 1448 1449 (void) scf_handle_unbind(handle); 1450 scf_handle_destroy(handle); 1451 } 1452 1453 /* 1454 * How long to wait for service to come online 1455 */ 1456 #define WAIT_FOR_SERVICE 15 1457 1458 /* 1459 * smb_enable_service() 1460 * 1461 */ 1462 static int 1463 smb_enable_service(void) 1464 { 1465 int i; 1466 int ret = SA_OK; 1467 char *service[] = { SMBD_DEFAULT_INSTANCE_FMRI, NULL }; 1468 1469 if (!smb_isonline()) { 1470 /* 1471 * Attempt to start the idmap, and other dependent 1472 * services, first. If it fails, the SMB service will 1473 * ultimately fail so we use that as the error. If we 1474 * don't try to enable idmap, smb won't start the 1475 * first time unless the admin has done it 1476 * manually. The service could be administratively 1477 * disabled so we won't always get started. 1478 */ 1479 smb_enable_dependencies(SMBD_DEFAULT_INSTANCE_FMRI); 1480 _check_services(service); 1481 1482 /* Wait for service to come online */ 1483 for (i = 0; i < WAIT_FOR_SERVICE; i++) { 1484 if (smb_isonline()) { 1485 ret = SA_OK; 1486 break; 1487 } else if (smb_ismaint()) { 1488 /* maintenance requires help */ 1489 ret = SA_SYSTEM_ERR; 1490 break; 1491 } else { 1492 /* try another time */ 1493 ret = SA_BUSY; 1494 (void) sleep(1); 1495 } 1496 } 1497 } 1498 return (ret); 1499 } 1500 1501 /* 1502 * smb_set_proto_prop(prop) 1503 * 1504 * check that prop is valid. 1505 */ 1506 /*ARGSUSED*/ 1507 static int 1508 smb_set_proto_prop(sa_property_t prop) 1509 { 1510 int ret = SA_OK; 1511 char *name; 1512 char *value; 1513 int index = -1; 1514 struct smb_proto_option_defs *opt; 1515 1516 name = sa_get_property_attr(prop, "type"); 1517 value = sa_get_property_attr(prop, "value"); 1518 if (name == NULL || value == NULL) { 1519 ret = SA_NO_SUCH_PROP; 1520 goto out; 1521 } 1522 1523 index = findprotoopt(name); 1524 if (index < 0) { 1525 ret = SA_NO_SUCH_PROP; 1526 goto out; 1527 } 1528 opt = &smb_proto_options[index]; 1529 1530 /* 1531 * When setting max_protocol or min_protocol, 1532 * allow"3.1.1" as an alias for "3.11". 1533 */ 1534 if (opt->smb_index == SMB_CI_MAX_PROTOCOL || 1535 opt->smb_index == SMB_CI_MIN_PROTOCOL) 1536 if (strcmp(value, "3.1.1") == 0) 1537 (void) strcpy(value, "3.11"); 1538 1539 /* Test for valid value */ 1540 if (opt->validator != NULL && 1541 (ret = opt->validator(index, value)) != SA_OK) 1542 goto out; 1543 1544 /* Save to SMF */ 1545 if (smb_config_set(opt->smb_index, value) != 0) { 1546 ret = SA_BAD_VALUE; 1547 goto out; 1548 } 1549 1550 /* 1551 * Specialized refresh mechanisms can 1552 * be flagged in the proto_options and 1553 * processed here. 1554 */ 1555 if (opt->refresh & SMB_REFRESH_REFRESH) 1556 (void) smf_refresh_instance( 1557 SMBD_DEFAULT_INSTANCE_FMRI); 1558 else if (opt->refresh & SMB_REFRESH_RESTART) 1559 (void) smf_restart_instance( 1560 SMBD_DEFAULT_INSTANCE_FMRI); 1561 1562 out: 1563 if (name != NULL) 1564 sa_free_attr_string(name); 1565 if (value != NULL) 1566 sa_free_attr_string(value); 1567 1568 return (ret); 1569 } 1570 1571 /* 1572 * smb_get_status() 1573 * 1574 * What is the current status of the smbd? We use the SMF state here. 1575 * Caller must free the returned value. 1576 */ 1577 1578 static char * 1579 smb_get_status(void) 1580 { 1581 return (smf_get_state(SMBD_DEFAULT_INSTANCE_FMRI)); 1582 } 1583 1584 /* 1585 * This protocol plugin require resource names 1586 */ 1587 static uint64_t 1588 smb_share_features(void) 1589 { 1590 return (SA_FEATURE_RESOURCE | SA_FEATURE_ALLOWSUBDIRS | 1591 SA_FEATURE_ALLOWPARDIRS | SA_FEATURE_SERVER); 1592 } 1593 1594 /* 1595 * This should be used to convert smb_share_t to sa_resource_t 1596 * Should only be needed to build transient shares/resources to be 1597 * supplied to sharemgr to display. 1598 */ 1599 static int 1600 smb_add_transient(sa_handle_t handle, smb_share_t *si) 1601 { 1602 int err; 1603 sa_share_t share; 1604 sa_group_t group; 1605 sa_resource_t resource; 1606 nvlist_t *nvl; 1607 char *opt; 1608 1609 if (si == NULL) 1610 return (SA_INVALID_NAME); 1611 1612 if ((share = sa_find_share(handle, si->shr_path)) == NULL) { 1613 if ((group = smb_get_defaultgrp(handle)) == NULL) 1614 return (SA_NO_SUCH_GROUP); 1615 1616 share = sa_get_share(group, si->shr_path); 1617 if (share == NULL) { 1618 share = sa_add_share(group, si->shr_path, 1619 SA_SHARE_TRANSIENT, &err); 1620 if (share == NULL) 1621 return (SA_NO_SUCH_PATH); 1622 } 1623 } 1624 1625 /* 1626 * Now handle the resource. Make sure that the resource is 1627 * transient and added to the share. 1628 */ 1629 resource = sa_get_share_resource(share, si->shr_name); 1630 if (resource == NULL) { 1631 resource = sa_add_resource(share, 1632 si->shr_name, SA_SHARE_TRANSIENT, &err); 1633 if (resource == NULL) 1634 return (SA_NO_SUCH_RESOURCE); 1635 } 1636 1637 if (si->shr_cmnt[0] != '\0') 1638 (void) sa_set_resource_description(resource, si->shr_cmnt); 1639 1640 if (si->shr_container[0] != '\0') 1641 (void) sa_set_resource_attr(resource, SHOPT_AD_CONTAINER, 1642 si->shr_container); 1643 1644 if (nvlist_alloc(&nvl, NV_UNIQUE_NAME, 0) != 0) 1645 return (SA_NO_MEMORY); 1646 1647 if ((opt = smb_csc_name(si)) != NULL) 1648 err |= nvlist_add_string(nvl, SHOPT_CSC, opt); 1649 1650 opt = (si->shr_flags & SMB_SHRF_ABE) ? "true" : "false"; 1651 err |= nvlist_add_string(nvl, SHOPT_ABE, opt); 1652 1653 if ((si->shr_flags & SMB_SHRF_AUTOHOME) == 0) { 1654 opt = (si->shr_flags & SMB_SHRF_GUEST_OK) ? "true" : "false"; 1655 err |= nvlist_add_string(nvl, SHOPT_GUEST, opt); 1656 } 1657 1658 if (si->shr_access_ro[0] != '\0') 1659 err |= nvlist_add_string(nvl, SHOPT_RO, si->shr_access_ro); 1660 1661 if (si->shr_access_rw[0] != '\0') 1662 err |= nvlist_add_string(nvl, SHOPT_RW, si->shr_access_rw); 1663 1664 if (si->shr_access_none[0] != '\0') 1665 err |= nvlist_add_string(nvl, SHOPT_NONE, si->shr_access_none); 1666 1667 if (err) { 1668 nvlist_free(nvl); 1669 return (SA_CONFIG_ERR); 1670 } 1671 1672 err = smb_update_optionset_props(handle, resource, nvl); 1673 1674 nvlist_free(nvl); 1675 return (err); 1676 } 1677 1678 /* 1679 * Return smb transient shares. 1680 */ 1681 static int 1682 smb_list_transient(sa_handle_t handle) 1683 { 1684 int i, offset; 1685 smb_shrlist_t list; 1686 int res; 1687 1688 if (smb_share_count() <= 0) 1689 return (SA_OK); 1690 1691 offset = 0; 1692 while (smb_share_list(offset, &list) == NERR_Success) { 1693 if (list.sl_cnt == 0) 1694 break; 1695 1696 for (i = 0; i < list.sl_cnt; i++) { 1697 res = smb_add_transient(handle, &(list.sl_shares[i])); 1698 if (res != SA_OK) 1699 return (res); 1700 } 1701 offset += list.sl_cnt; 1702 } 1703 1704 return (SA_OK); 1705 } 1706 1707 /* 1708 * fix_resource_name(share, name, prefix) 1709 * 1710 * Construct a name where the ZFS dataset has the prefix replaced with "name". 1711 */ 1712 static char * 1713 fix_resource_name(sa_share_t share, char *name, char *prefix) 1714 { 1715 char buf[SA_MAX_RESOURCE_NAME + 1]; 1716 char *dataset; 1717 size_t bufsz = SA_MAX_RESOURCE_NAME + 1; 1718 size_t prelen; 1719 1720 if (prefix == NULL) 1721 return (strdup(name)); 1722 1723 dataset = sa_get_share_attr(share, "dataset"); 1724 if (dataset == NULL) 1725 return (strdup(name)); 1726 1727 (void) strlcpy(buf, name, bufsz); 1728 prelen = strlen(prefix); 1729 1730 if (strncmp(dataset, prefix, prelen) == 0) 1731 (void) strlcat(buf, dataset + prelen, bufsz); 1732 1733 sa_free_attr_string(dataset); 1734 sa_fix_resource_name(buf); 1735 return (strdup(buf)); 1736 } 1737 1738 /* 1739 * smb_parse_optstring(group, options) 1740 * 1741 * parse a compact option string into individual options. This allows 1742 * ZFS sharesmb and sharemgr "share" command to work. group can be a 1743 * group, a share or a resource. 1744 */ 1745 static int 1746 smb_parse_optstring(sa_group_t group, char *options) 1747 { 1748 char *dup; 1749 char *base; 1750 char *lasts; 1751 char *token; 1752 sa_optionset_t optionset; 1753 sa_group_t parent = NULL; 1754 sa_resource_t resource = NULL; 1755 int iszfs = 0; 1756 int persist = 0; 1757 int need_optionset = 0; 1758 int ret = SA_OK; 1759 sa_property_t prop; 1760 1761 /* 1762 * In order to not attempt to change ZFS properties unless 1763 * absolutely necessary, we never do it in the legacy parsing 1764 * so we need to keep track of this. 1765 */ 1766 if (sa_is_share(group)) { 1767 char *zfs; 1768 1769 parent = sa_get_parent_group(group); 1770 if (parent != NULL) { 1771 zfs = sa_get_group_attr(parent, "zfs"); 1772 if (zfs != NULL) { 1773 sa_free_attr_string(zfs); 1774 iszfs = 1; 1775 } 1776 } 1777 } else { 1778 iszfs = sa_group_is_zfs(group); 1779 /* 1780 * If a ZFS group, then we need to see if a resource 1781 * name is being set. If so, bail with 1782 * SA_PROP_SHARE_ONLY, so we come back in with a share 1783 * instead of a group. 1784 */ 1785 if (iszfs || 1786 strncmp(options, "name=", sizeof ("name=") - 1) == 0 || 1787 strstr(options, ",name=") != NULL) { 1788 return (SA_PROP_SHARE_ONLY); 1789 } 1790 } 1791 1792 /* do we have an existing optionset? */ 1793 optionset = sa_get_optionset(group, "smb"); 1794 if (optionset == NULL) { 1795 /* didn't find existing optionset so create one */ 1796 optionset = sa_create_optionset(group, "smb"); 1797 if (optionset == NULL) 1798 return (SA_NO_MEMORY); 1799 } else { 1800 /* 1801 * If an optionset already exists, we've come through 1802 * twice so ignore the second time. 1803 */ 1804 return (ret); 1805 } 1806 1807 /* We need a copy of options for the next part. */ 1808 dup = strdup(options); 1809 if (dup == NULL) 1810 return (SA_NO_MEMORY); 1811 1812 /* 1813 * SMB properties are straightforward and are strings, 1814 * integers or booleans. Properties are separated by 1815 * commas. It will be necessary to parse quotes due to some 1816 * strings not having a restricted characters set. 1817 * 1818 * Note that names will create a resource. For now, if there 1819 * is a set of properties "before" the first name="", those 1820 * properties will be placed on the group. 1821 */ 1822 persist = sa_is_persistent(group); 1823 base = dup; 1824 token = dup; 1825 lasts = NULL; 1826 while (token != NULL && ret == SA_OK) { 1827 ret = SA_OK; 1828 token = strtok_r(base, ",", &lasts); 1829 base = NULL; 1830 if (token != NULL) { 1831 char *value; 1832 /* 1833 * All SMB properties have values so there 1834 * MUST be an '=' character. If it doesn't, 1835 * it is a syntax error. 1836 */ 1837 value = strchr(token, '='); 1838 if (value != NULL) { 1839 *value++ = '\0'; 1840 } else { 1841 ret = SA_SYNTAX_ERR; 1842 break; 1843 } 1844 /* 1845 * We may need to handle a "name" property 1846 * that is a ZFS imposed resource name. Each 1847 * name would trigger getting a new "resource" 1848 * to put properties on. For now, assume no 1849 * "name" property for special handling. 1850 */ 1851 1852 if (strcmp(token, SHOPT_NAME) == 0) { 1853 char *prefix; 1854 char *name = NULL; 1855 /* 1856 * We have a name, so now work on the 1857 * resource level. We have a "share" 1858 * in "group" due to the caller having 1859 * added it. If we are called with a 1860 * group, the check for group/share 1861 * at the beginning of this function 1862 * will bail out the parse if there is a 1863 * "name" but no share. 1864 */ 1865 if (!iszfs) { 1866 ret = SA_SYNTAX_ERR; 1867 break; 1868 } 1869 /* 1870 * Make sure the parent group has the 1871 * "prefix" property since we will 1872 * need to use this for constructing 1873 * inherited name= values. 1874 */ 1875 prefix = sa_get_group_attr(parent, "prefix"); 1876 if (prefix == NULL) { 1877 prefix = sa_get_group_attr(parent, 1878 "name"); 1879 if (prefix != NULL) { 1880 (void) sa_set_group_attr(parent, 1881 "prefix", prefix); 1882 } 1883 } 1884 name = fix_resource_name((sa_share_t)group, 1885 value, prefix); 1886 if (name != NULL) { 1887 resource = sa_add_resource( 1888 (sa_share_t)group, name, 1889 SA_SHARE_TRANSIENT, &ret); 1890 sa_free_attr_string(name); 1891 } else { 1892 ret = SA_NO_MEMORY; 1893 } 1894 if (prefix != NULL) 1895 sa_free_attr_string(prefix); 1896 1897 /* A resource level optionset is needed */ 1898 1899 need_optionset = 1; 1900 if (resource == NULL) { 1901 ret = SA_NO_MEMORY; 1902 break; 1903 } 1904 continue; 1905 } 1906 1907 if (iszfs && strcmp(token, SHOPT_DESCRIPTION) == 0) { 1908 if (resource == NULL) 1909 (void) sa_set_share_description( 1910 (sa_share_t)group, value); 1911 else 1912 (void) sa_set_resource_description( 1913 resource, value); 1914 continue; 1915 } 1916 1917 if (need_optionset) { 1918 optionset = sa_create_optionset(resource, 1919 "smb"); 1920 need_optionset = 0; 1921 } 1922 1923 prop = sa_create_property(token, value); 1924 if (prop == NULL) 1925 ret = SA_NO_MEMORY; 1926 else 1927 ret = sa_add_property(optionset, prop); 1928 if (ret != SA_OK) 1929 break; 1930 if (!iszfs) 1931 ret = sa_commit_properties(optionset, !persist); 1932 } 1933 } 1934 free(dup); 1935 return (ret); 1936 } 1937 1938 /* 1939 * smb_sprint_option(rbuff, rbuffsize, incr, prop, sep) 1940 * 1941 * provides a mechanism to format SMB properties into legacy output 1942 * format. If the buffer would overflow, it is reallocated and grown 1943 * as appropriate. Special cases of converting internal form of values 1944 * to those used by "share" are done. this function does one property 1945 * at a time. 1946 */ 1947 1948 static void 1949 smb_sprint_option(char **rbuff, size_t *rbuffsize, size_t incr, 1950 sa_property_t prop, int sep) 1951 { 1952 char *name; 1953 char *value; 1954 int curlen; 1955 char *buff = *rbuff; 1956 size_t buffsize = *rbuffsize; 1957 1958 name = sa_get_property_attr(prop, "type"); 1959 value = sa_get_property_attr(prop, "value"); 1960 if (buff != NULL) 1961 curlen = strlen(buff); 1962 else 1963 curlen = 0; 1964 if (name != NULL) { 1965 int len; 1966 len = strlen(name) + sep; 1967 1968 /* 1969 * A future RFE would be to replace this with more 1970 * generic code and to possibly handle more types. 1971 * 1972 * For now, everything else is treated as a string. If 1973 * we get any properties that aren't exactly 1974 * name/value pairs, we may need to 1975 * interpret/transform. 1976 */ 1977 if (value != NULL) 1978 len += 1 + strlen(value); 1979 1980 while (buffsize <= (curlen + len)) { 1981 /* need more room */ 1982 buffsize += incr; 1983 buff = realloc(buff, buffsize); 1984 *rbuff = buff; 1985 *rbuffsize = buffsize; 1986 if (buff == NULL) { 1987 /* realloc failed so free everything */ 1988 if (*rbuff != NULL) 1989 free(*rbuff); 1990 goto err; 1991 } 1992 } 1993 if (buff == NULL) 1994 goto err; 1995 (void) snprintf(buff + curlen, buffsize - curlen, 1996 "%s%s=%s", sep ? "," : "", 1997 name, value != NULL ? value : "\"\""); 1998 1999 } 2000 err: 2001 if (name != NULL) 2002 sa_free_attr_string(name); 2003 if (value != NULL) 2004 sa_free_attr_string(value); 2005 } 2006 2007 /* 2008 * smb_format_resource_options(resource, hier) 2009 * 2010 * format all the options on the group into a flattened option 2011 * string. If hier is non-zero, walk up the tree to get inherited 2012 * options. 2013 */ 2014 2015 static char * 2016 smb_format_options(sa_group_t group, int hier) 2017 { 2018 sa_optionset_t options = NULL; 2019 sa_property_t prop; 2020 int sep = 0; 2021 char *buff; 2022 size_t buffsize; 2023 2024 2025 buff = malloc(OPT_CHUNK); 2026 if (buff == NULL) 2027 return (NULL); 2028 2029 buff[0] = '\0'; 2030 buffsize = OPT_CHUNK; 2031 2032 /* 2033 * We may have a an optionset relative to this item. format 2034 * these if we find them and then add any security definitions. 2035 */ 2036 2037 options = sa_get_derived_optionset(group, "smb", hier); 2038 2039 /* 2040 * do the default set first but skip any option that is also 2041 * in the protocol specific optionset. 2042 */ 2043 if (options != NULL) { 2044 for (prop = sa_get_property(options, NULL); 2045 prop != NULL; prop = sa_get_next_property(prop)) { 2046 /* 2047 * use this one since we skipped any 2048 * of these that were also in 2049 * optdefault 2050 */ 2051 smb_sprint_option(&buff, &buffsize, OPT_CHUNK, 2052 prop, sep); 2053 if (buff == NULL) { 2054 /* 2055 * buff could become NULL if there 2056 * isn't enough memory for 2057 * smb_sprint_option to realloc() 2058 * as necessary. We can't really 2059 * do anything about it at this 2060 * point so we return NULL. The 2061 * caller should handle the 2062 * failure. 2063 */ 2064 if (options != NULL) 2065 sa_free_derived_optionset( 2066 options); 2067 return (buff); 2068 } 2069 sep = 1; 2070 } 2071 } 2072 2073 if (options != NULL) 2074 sa_free_derived_optionset(options); 2075 return (buff); 2076 } 2077 2078 /* 2079 * smb_rename_resource(resource, newname) 2080 * 2081 * Change the current exported name of the resource to newname. 2082 */ 2083 /*ARGSUSED*/ 2084 int 2085 smb_rename_resource(sa_handle_t handle, sa_resource_t resource, char *newname) 2086 { 2087 int ret = SA_OK; 2088 int err; 2089 char *oldname; 2090 2091 if (!smb_isonline()) 2092 return (SA_OK); 2093 2094 oldname = sa_get_resource_attr(resource, "name"); 2095 if (oldname == NULL) 2096 return (SA_NO_SUCH_RESOURCE); 2097 2098 err = smb_share_rename(oldname, newname); 2099 2100 sa_free_attr_string(oldname); 2101 2102 /* improve error values somewhat */ 2103 switch (err) { 2104 case NERR_Success: 2105 break; 2106 case NERR_InternalError: 2107 ret = SA_SYSTEM_ERR; 2108 break; 2109 case NERR_DuplicateShare: 2110 ret = SA_DUPLICATE_NAME; 2111 break; 2112 default: 2113 ret = SA_CONFIG_ERR; 2114 break; 2115 } 2116 2117 return (ret); 2118 } 2119 2120 static int 2121 smb_build_shareinfo(sa_share_t share, sa_resource_t resource, smb_share_t *si) 2122 { 2123 sa_optionset_t opts; 2124 char *path; 2125 char *rname; 2126 char *val = NULL; 2127 char csc_value[SMB_CSC_BUFSZ]; 2128 char strbuf[sizeof ("required")]; 2129 2130 bzero(si, sizeof (smb_share_t)); 2131 2132 if ((path = sa_get_share_attr(share, "path")) == NULL) 2133 return (SA_NO_SUCH_PATH); 2134 2135 if ((rname = sa_get_resource_attr(resource, "name")) == NULL) { 2136 sa_free_attr_string(path); 2137 return (SA_NO_SUCH_RESOURCE); 2138 } 2139 2140 (void) strlcpy(si->shr_path, path, sizeof (si->shr_path)); 2141 (void) strlcpy(si->shr_name, rname, sizeof (si->shr_name)); 2142 sa_free_attr_string(path); 2143 sa_free_attr_string(rname); 2144 2145 val = sa_get_resource_description(resource); 2146 if (val == NULL) 2147 val = sa_get_share_description(share); 2148 2149 if (val != NULL) { 2150 (void) strlcpy(si->shr_cmnt, val, sizeof (si->shr_cmnt)); 2151 sa_free_share_description(val); 2152 } 2153 2154 si->shr_flags = (sa_is_persistent(share)) 2155 ? SMB_SHRF_PERM : SMB_SHRF_TRANS; 2156 2157 opts = sa_get_derived_optionset(resource, SMB_PROTOCOL_NAME, 1); 2158 if (opts == NULL) 2159 return (SA_OK); 2160 2161 if (smb_saprop_getbool(opts, SHOPT_CATIA, B_FALSE)) 2162 si->shr_flags |= SMB_SHRF_CATIA; 2163 2164 if (smb_saprop_getbool(opts, SHOPT_ABE, B_FALSE)) 2165 si->shr_flags |= SMB_SHRF_ABE; 2166 2167 if (smb_saprop_getbool(opts, SHOPT_GUEST, B_FALSE)) 2168 si->shr_flags |= SMB_SHRF_GUEST_OK; 2169 2170 if (smb_saprop_getbool(opts, SHOPT_DFSROOT, B_FALSE)) 2171 si->shr_flags |= SMB_SHRF_DFSROOT; 2172 2173 if (smb_saprop_getbool(opts, SHOPT_CA, B_FALSE)) 2174 si->shr_flags |= SMB_SHRF_CA; 2175 2176 if (smb_saprop_getbool(opts, SHOPT_FSO, B_FALSE)) 2177 si->shr_flags |= SMB_SHRF_FSO; 2178 2179 /* Quotas are enabled by default. */ 2180 if (smb_saprop_getbool(opts, SHOPT_QUOTAS, B_TRUE)) 2181 si->shr_flags |= SMB_SHRF_QUOTAS; 2182 2183 if (smb_saprop_getstr(opts, SHOPT_ENCRYPT, strbuf, sizeof (strbuf))) 2184 smb_cfg_set_require(strbuf, &si->shr_encrypt); 2185 2186 (void) smb_saprop_getstr(opts, SHOPT_AD_CONTAINER, si->shr_container, 2187 sizeof (si->shr_container)); 2188 2189 if (smb_saprop_getstr(opts, SHOPT_CSC, csc_value, sizeof (csc_value))) 2190 smb_csc_option(csc_value, si); 2191 2192 if (smb_saprop_getstr(opts, SHOPT_RO, si->shr_access_ro, 2193 sizeof (si->shr_access_ro))) 2194 si->shr_flags |= SMB_SHRF_ACC_RO; 2195 2196 if (smb_saprop_getstr(opts, SHOPT_RW, si->shr_access_rw, 2197 sizeof (si->shr_access_rw))) 2198 si->shr_flags |= SMB_SHRF_ACC_RW; 2199 2200 if (smb_saprop_getstr(opts, SHOPT_NONE, si->shr_access_none, 2201 sizeof (si->shr_access_none))) 2202 si->shr_flags |= SMB_SHRF_ACC_NONE; 2203 2204 sa_free_derived_optionset(opts); 2205 return (SA_OK); 2206 } 2207 2208 /* 2209 * Map a client-side caching (CSC) option to the appropriate share 2210 * flag. Only one option is allowed; an error will be logged if 2211 * multiple options have been specified. We don't need to do anything 2212 * about multiple values here because the SRVSVC will not recognize 2213 * a value containing multiple flags and will return the default value. 2214 * 2215 * If the option value is not recognized, it will be ignored: invalid 2216 * values will typically be caught and rejected by sharemgr. 2217 */ 2218 static void 2219 smb_csc_option(const char *value, smb_share_t *si) 2220 { 2221 char buf[SMB_CSC_BUFSZ]; 2222 int i; 2223 2224 for (i = 0; i < (sizeof (cscopt) / sizeof (cscopt[0])); ++i) { 2225 if (strcasecmp(value, cscopt[i].value) == 0) { 2226 si->shr_flags |= cscopt[i].flag; 2227 break; 2228 } 2229 } 2230 2231 switch (si->shr_flags & SMB_SHRF_CSC_MASK) { 2232 case 0: 2233 case SMB_SHRF_CSC_DISABLED: 2234 case SMB_SHRF_CSC_MANUAL: 2235 case SMB_SHRF_CSC_AUTO: 2236 case SMB_SHRF_CSC_VDO: 2237 break; 2238 2239 default: 2240 buf[0] = '\0'; 2241 2242 for (i = 0; i < (sizeof (cscopt) / sizeof (cscopt[0])); ++i) { 2243 if (si->shr_flags & cscopt[i].flag) { 2244 (void) strlcat(buf, " ", SMB_CSC_BUFSZ); 2245 (void) strlcat(buf, cscopt[i].value, 2246 SMB_CSC_BUFSZ); 2247 } 2248 } 2249 2250 syslog(LOG_ERR, "csc option conflict:%s", buf); 2251 break; 2252 } 2253 } 2254 2255 /* 2256 * Return the option name for the first CSC flag (there should be only 2257 * one) encountered in the share flags. 2258 */ 2259 static char * 2260 smb_csc_name(const smb_share_t *si) 2261 { 2262 int i; 2263 2264 for (i = 0; i < (sizeof (cscopt) / sizeof (cscopt[0])); ++i) { 2265 if (si->shr_flags & cscopt[i].flag) 2266 return (cscopt[i].value); 2267 } 2268 2269 return (NULL); 2270 } 2271 2272 /* 2273 * smb_get_defaultgrp 2274 * 2275 * If default group for CIFS shares (i.e. "smb") exists 2276 * then it will return the group handle, otherwise it will 2277 * create the group and return the handle. 2278 * 2279 * All the shares created by CIFS clients (this is only possible 2280 * via RPC) will be added to "smb" groups. 2281 */ 2282 static sa_group_t 2283 smb_get_defaultgrp(sa_handle_t handle) 2284 { 2285 sa_group_t group = NULL; 2286 int err; 2287 2288 group = sa_get_group(handle, SMB_DEFAULT_SHARE_GROUP); 2289 if (group != NULL) 2290 return (group); 2291 2292 group = sa_create_group(handle, SMB_DEFAULT_SHARE_GROUP, &err); 2293 if (group == NULL) 2294 return (NULL); 2295 2296 if (sa_create_optionset(group, SMB_DEFAULT_SHARE_GROUP) == NULL) { 2297 (void) sa_remove_group(group); 2298 group = NULL; 2299 } 2300 2301 return (group); 2302 } 2303 2304 /* 2305 * Checks to see if the command args are the supported substitution specifier. 2306 * i.e. <cmd> %U %S 2307 */ 2308 static int 2309 cmd_validator(int index, char *value) 2310 { 2311 char cmd[MAXPATHLEN]; 2312 char *ptr, *v; 2313 boolean_t skip_cmdname; 2314 2315 if (string_length_check_validator(index, value) != SA_OK) 2316 return (SA_BAD_VALUE); 2317 2318 if (*value == '\0') 2319 return (SA_OK); 2320 2321 (void) strlcpy(cmd, value, sizeof (cmd)); 2322 2323 ptr = cmd; 2324 skip_cmdname = B_TRUE; 2325 do { 2326 if ((v = strsep(&ptr, " ")) == NULL) 2327 break; 2328 2329 if (*v != '\0') { 2330 2331 if (skip_cmdname) { 2332 skip_cmdname = B_FALSE; 2333 continue; 2334 } 2335 2336 if ((strlen(v) != 2) || *v != '%') 2337 return (SA_BAD_VALUE); 2338 2339 if (strpbrk(v, SMB_VALID_SUB_CHRS) == NULL) 2340 return (SA_BAD_VALUE); 2341 } 2342 2343 } while (v != NULL); 2344 2345 /* 2346 * If skip_cmdname is still true then the string contains 2347 * only spaces. Don't allow such a string. 2348 */ 2349 if (skip_cmdname) 2350 return (SA_BAD_VALUE); 2351 2352 return (SA_OK); 2353 } 2354 2355 /*ARGSUSED*/ 2356 static int 2357 disposition_validator(int index, char *value) 2358 { 2359 if (value == NULL) 2360 return (SA_BAD_VALUE); 2361 2362 if (*value == '\0') 2363 return (SA_OK); 2364 2365 if ((strcasecmp(value, SMB_EXEC_DISP_CONTINUE) == 0) || 2366 (strcasecmp(value, SMB_EXEC_DISP_TERMINATE) == 0)) 2367 return (SA_OK); 2368 2369 return (SA_BAD_VALUE); 2370 } 2371 2372 static int 2373 protocol_validator(int index, char *value) 2374 { 2375 struct smb_proto_option_defs *opt; 2376 smb_cfg_val_t encrypt; 2377 uint32_t max; 2378 uint32_t min; 2379 uint32_t val; 2380 2381 if (value == NULL) 2382 return (SA_BAD_VALUE); 2383 2384 /* Allow setting back to empty (use defaults) */ 2385 if (*value == '\0') 2386 return (SA_OK); 2387 2388 val = smb_convert_version_str(value); 2389 if (val == 0) 2390 return (SA_BAD_VALUE); 2391 2392 /* 2393 * We don't want people who care enough about protecting their data 2394 * by requiring encryption to accidentally expose their data by 2395 * lowering the max protocol, so prevent them from going below 3.0 2396 * if encryption is required. 2397 * Also, ensure that max_protocol >= min_protocol. 2398 */ 2399 opt = &smb_proto_options[index]; 2400 switch (opt->smb_index) { 2401 2402 case SMB_CI_MAX_PROTOCOL: 2403 2404 encrypt = smb_config_get_require(SMB_CI_ENCRYPT); 2405 if (encrypt == SMB_CONFIG_REQUIRED && val < SMB_VERS_3_0) { 2406 syslog(LOG_ERR, "Cannot set smbd/max_protocol below 3.0" 2407 " while smbd/encrypt == required."); 2408 return (SA_VALUE_CONFLICT); 2409 } 2410 min = smb_config_get_min_protocol(); 2411 if (val < min) { 2412 syslog(LOG_ERR, "Cannot set smbd/max_protocol to less" 2413 " than smbd/min_protocol."); 2414 return (SA_VALUE_CONFLICT); 2415 } 2416 break; 2417 2418 case SMB_CI_MIN_PROTOCOL: 2419 2420 max = smb_config_get_max_protocol(); 2421 if (val > max) { 2422 syslog(LOG_ERR, "Cannot set smbd/min_protocol to more" 2423 " than smbd/max_protocol."); 2424 return (SA_VALUE_CONFLICT); 2425 } 2426 break; 2427 2428 default: 2429 syslog(LOG_ERR, "Unexpected smb protocol validator index %d", 2430 opt->smb_index); 2431 return (SA_BAD_VALUE); 2432 } 2433 2434 return (SA_OK); 2435 } 2436 2437 /*ARGSUSED*/ 2438 static int 2439 ciphers_validator(int index, char *value) 2440 { 2441 2442 if (value == NULL) 2443 return (SA_BAD_VALUE); 2444 2445 /* Allow setting back to empty (use defaults) */ 2446 if (*value == '\0') 2447 return (SA_OK); 2448 2449 if (smb_convert_encrypt_ciphers(value) <= 0) 2450 return (SA_BAD_VALUE); 2451 2452 return (SA_OK); 2453 } 2454 2455 static int 2456 sign_algs_validator(int index __unused, char *value) 2457 { 2458 2459 if (value == NULL) 2460 return (SA_BAD_VALUE); 2461 2462 /* Allow setting back to empty (use defaults) */ 2463 if (*value == '\0') 2464 return (SA_OK); 2465 2466 if (smb_convert_signing_algs(value) <= 0) 2467 return (SA_BAD_VALUE); 2468 2469 return (SA_OK); 2470 } 2471 2472 /* 2473 * Updates the optionset properties of the share resource. 2474 * The properties are given as a list of name-value pair. 2475 * The name argument should be the optionset property name and the value 2476 * should be a valid value for the specified property. 2477 * 2478 * When calling this function for permanent shares, the caller must also 2479 * call sa_commit_properties() to commit the changes to SMF. 2480 */ 2481 static int 2482 smb_update_optionset_props(sa_handle_t handle, sa_resource_t resource, 2483 nvlist_t *nvl) 2484 { 2485 sa_property_t prop; 2486 sa_optionset_t opts; 2487 int err = SA_OK; 2488 nvpair_t *cur; 2489 char *name, *val; 2490 2491 if ((opts = sa_get_optionset(resource, SMB_PROTOCOL_NAME)) == NULL) { 2492 opts = sa_create_optionset(resource, SMB_PROTOCOL_NAME); 2493 if (opts == NULL) 2494 return (SA_CONFIG_ERR); 2495 } 2496 2497 cur = nvlist_next_nvpair(nvl, NULL); 2498 while (cur != NULL) { 2499 name = nvpair_name(cur); 2500 err = nvpair_value_string(cur, &val); 2501 if ((err != 0) || (name == NULL) || (val == NULL)) { 2502 err = SA_CONFIG_ERR; 2503 break; 2504 } 2505 2506 prop = NULL; 2507 if ((prop = sa_get_property(opts, name)) == NULL) { 2508 prop = sa_create_property(name, val); 2509 if (prop != NULL) { 2510 err = sa_valid_property(handle, opts, 2511 SMB_PROTOCOL_NAME, prop); 2512 if (err != SA_OK) { 2513 (void) sa_remove_property(prop); 2514 break; 2515 } 2516 } 2517 err = sa_add_property(opts, prop); 2518 if (err != SA_OK) 2519 break; 2520 } else { 2521 err = sa_update_property(prop, val); 2522 if (err != SA_OK) 2523 break; 2524 } 2525 2526 cur = nvlist_next_nvpair(nvl, cur); 2527 } 2528 2529 return (err); 2530 } 2531 2532 static boolean_t 2533 smb_saprop_getbool(sa_optionset_t opts, char *propname, boolean_t def) 2534 { 2535 sa_property_t prop; 2536 char *val; 2537 boolean_t ret = def; 2538 2539 prop = sa_get_property(opts, propname); 2540 if ((val = sa_get_property_attr(prop, "value")) != NULL) { 2541 if (def) { 2542 /* Default is true, ret false if... */ 2543 if ((strcasecmp(val, "false") == 0) || 2544 (strcmp(val, "0") == 0)) 2545 ret = B_FALSE; 2546 } else { 2547 /* Default is false, ret true if... */ 2548 if ((strcasecmp(val, "true") == 0) || 2549 (strcmp(val, "1") == 0)) 2550 ret = B_TRUE; 2551 } 2552 free(val); 2553 } 2554 2555 return (ret); 2556 } 2557 2558 static boolean_t 2559 smb_saprop_getstr(sa_optionset_t opts, char *propname, char *buf, size_t bufsz) 2560 { 2561 sa_property_t prop; 2562 char *val; 2563 2564 prop = sa_get_property(opts, propname); 2565 if ((val = sa_get_property_attr(prop, "value")) != NULL) { 2566 (void) strlcpy(buf, val, bufsz); 2567 free(val); 2568 return (B_TRUE); 2569 } 2570 2571 return (B_FALSE); 2572 } 2573