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