1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 22 /* 23 * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved. 24 * Copyright 2015 Nexenta Systems, Inc. All rights reserved. 25 */ 26 27 /* 28 * SMB specific functions 29 */ 30 #include <stdio.h> 31 #include <string.h> 32 #include <ctype.h> 33 #include <stdlib.h> 34 #include <unistd.h> 35 #include <zone.h> 36 #include <errno.h> 37 #include <locale.h> 38 #include <fcntl.h> 39 #include <sys/types.h> 40 #include <sys/stat.h> 41 #include <syslog.h> 42 #include "libshare.h" 43 #include "libshare_impl.h" 44 #include <pwd.h> 45 #include <limits.h> 46 #include <libscf.h> 47 #include <libscf_priv.h> 48 #include <strings.h> 49 #include "libshare_smb.h" 50 #include <rpcsvc/daemon_utils.h> 51 #include <smbsrv/smb_share.h> 52 #include <smbsrv/smbinfo.h> 53 #include <smbsrv/libsmb.h> 54 #include <libdlpi.h> 55 56 #define SMB_CSC_BUFSZ 64 57 58 #define SMB_VALID_SUB_CHRS "UDhMLmIiSPu" /* substitution characters */ 59 60 /* internal functions */ 61 static int smb_share_init(void); 62 static void smb_share_fini(void); 63 static int smb_enable_share(sa_share_t); 64 static int smb_share_changed(sa_share_t); 65 static int smb_resource_changed(sa_resource_t); 66 static int smb_rename_resource(sa_handle_t, sa_resource_t, char *); 67 static int smb_disable_share(sa_share_t share, char *); 68 static int smb_validate_property(sa_handle_t, sa_property_t, sa_optionset_t); 69 static int smb_set_proto_prop(sa_property_t); 70 static sa_protocol_properties_t smb_get_proto_set(void); 71 static char *smb_get_status(void); 72 static int smb_parse_optstring(sa_group_t, char *); 73 static char *smb_format_options(sa_group_t, int); 74 75 static int smb_enable_service(void); 76 77 static int range_check_validator(int, char *); 78 static int range_check_validator_zero_ok(int, char *); 79 static int string_length_check_validator(int, char *); 80 static int print_enable_validator(int, char *); 81 static int true_false_validator(int, char *); 82 static int ipv4_validator(int, char *); 83 static int hostname_validator(int, char *); 84 static int path_validator(int, char *); 85 static int cmd_validator(int, char *); 86 static int disposition_validator(int, char *); 87 static int max_protocol_validator(int, char *); 88 89 static int smb_enable_resource(sa_resource_t); 90 static int smb_disable_resource(sa_resource_t); 91 static uint64_t smb_share_features(void); 92 static int smb_list_transient(sa_handle_t); 93 94 static int smb_build_shareinfo(sa_share_t, sa_resource_t, smb_share_t *); 95 static void smb_csc_option(const char *, smb_share_t *); 96 static char *smb_csc_name(const smb_share_t *); 97 static sa_group_t smb_get_defaultgrp(sa_handle_t); 98 static int interface_validator(int, char *); 99 static int smb_update_optionset_props(sa_handle_t, sa_resource_t, nvlist_t *); 100 101 static boolean_t smb_saprop_getbool(sa_optionset_t, char *, boolean_t); 102 static boolean_t smb_saprop_getstr(sa_optionset_t, char *, char *, size_t); 103 104 static struct { 105 char *value; 106 uint32_t flag; 107 } cscopt[] = { 108 { "disabled", SMB_SHRF_CSC_DISABLED }, 109 { "manual", SMB_SHRF_CSC_MANUAL }, 110 { "auto", SMB_SHRF_CSC_AUTO }, 111 { "vdo", SMB_SHRF_CSC_VDO } 112 }; 113 114 /* size of basic format allocation */ 115 #define OPT_CHUNK 1024 116 117 /* size of string for types - big enough to hold "dependency" */ 118 #define SCFTYPE_LEN 32 119 120 /* 121 * Indexes of entries in smb_proto_options table. 122 * Changes to smb_proto_options table may require 123 * an update to these values. 124 */ 125 #define PROTO_OPT_WINS1 6 126 #define PROTO_OPT_WINS_EXCLUDE 8 127 128 typedef struct smb_hostifs_walker { 129 const char *hiw_ifname; 130 boolean_t hiw_matchfound; 131 } smb_hostifs_walker_t; 132 133 134 /* 135 * ops vector that provides the protocol specific info and operations 136 * for share management. 137 */ 138 139 struct sa_plugin_ops sa_plugin_ops = { 140 SA_PLUGIN_VERSION, 141 SMB_PROTOCOL_NAME, 142 smb_share_init, 143 smb_share_fini, 144 smb_enable_share, 145 smb_disable_share, 146 smb_validate_property, 147 NULL, /* valid_space */ 148 NULL, /* security_prop */ 149 smb_parse_optstring, 150 smb_format_options, 151 smb_set_proto_prop, 152 smb_get_proto_set, 153 smb_get_status, 154 NULL, /* space_alias */ 155 NULL, /* update_legacy */ 156 NULL, /* delete_legacy */ 157 smb_share_changed, 158 smb_enable_resource, 159 smb_disable_resource, 160 smb_share_features, 161 smb_list_transient, 162 smb_resource_changed, 163 smb_rename_resource, 164 NULL, /* run_command */ 165 NULL, /* command_help */ 166 NULL /* delete_proto_section */ 167 }; 168 169 struct option_defs optdefs[] = { 170 { SHOPT_AD_CONTAINER, OPT_TYPE_STRING }, 171 { SHOPT_ABE, OPT_TYPE_BOOLEAN }, 172 { SHOPT_NAME, OPT_TYPE_NAME }, 173 { SHOPT_RO, OPT_TYPE_ACCLIST }, 174 { SHOPT_RW, OPT_TYPE_ACCLIST }, 175 { SHOPT_NONE, OPT_TYPE_ACCLIST }, 176 { SHOPT_CATIA, OPT_TYPE_BOOLEAN }, 177 { SHOPT_CSC, OPT_TYPE_CSC }, 178 { SHOPT_GUEST, OPT_TYPE_BOOLEAN }, 179 { SHOPT_DFSROOT, OPT_TYPE_BOOLEAN }, 180 { SHOPT_DESCRIPTION, OPT_TYPE_STRING }, 181 { SHOPT_FSO, OPT_TYPE_BOOLEAN }, 182 { SHOPT_QUOTAS, OPT_TYPE_BOOLEAN }, 183 { NULL, NULL } 184 }; 185 186 /* 187 * findopt(name) 188 * 189 * Lookup option "name" in the option table and return the table 190 * index. 191 */ 192 static int 193 findopt(char *name) 194 { 195 int i; 196 if (name != NULL) { 197 for (i = 0; optdefs[i].tag != NULL; i++) { 198 if (strcmp(optdefs[i].tag, name) == 0) 199 return (i); 200 } 201 } 202 return (-1); 203 } 204 205 /* 206 * is_a_number(number) 207 * 208 * is the string a number in one of the forms we want to use? 209 */ 210 static boolean_t 211 is_a_number(char *number) 212 { 213 boolean_t isnum = B_TRUE; 214 boolean_t ishex = B_FALSE; 215 216 if (number == NULL || *number == '\0') 217 return (B_FALSE); 218 219 if (strncasecmp(number, "0x", 2) == 0) { 220 number += 2; 221 ishex = B_TRUE; 222 } else if (*number == '-') { 223 number++; 224 } 225 226 while (isnum && (*number != '\0')) { 227 isnum = (ishex) ? isxdigit(*number) : isdigit(*number); 228 number++; 229 } 230 231 return (isnum); 232 } 233 234 /* 235 * check ro vs rw values. Over time this may get beefed up. 236 * for now it just does simple checks. 237 */ 238 239 static int 240 check_rorw(char *v1, char *v2) 241 { 242 int ret = SA_OK; 243 if (strcmp(v1, v2) == 0) 244 ret = SA_VALUE_CONFLICT; 245 return (ret); 246 } 247 248 /* 249 * validresource(name) 250 * 251 * Check that name only has valid characters in it. The current valid 252 * set are the printable characters but not including: 253 * " / \ [ ] : | < > + ; , ? * = \t 254 * Note that space is included and there is a maximum length. 255 */ 256 static boolean_t 257 validresource(const char *name) 258 { 259 const char *cp; 260 size_t len; 261 262 if (name == NULL) 263 return (B_FALSE); 264 265 len = strlen(name); 266 if (len == 0 || len > SA_MAX_RESOURCE_NAME) 267 return (B_FALSE); 268 269 if (strpbrk(name, "\"/\\[]:|<>+;,?*=\t") != NULL) { 270 return (B_FALSE); 271 } 272 273 for (cp = name; *cp != '\0'; cp++) 274 if (iscntrl(*cp)) 275 return (B_FALSE); 276 277 return (B_TRUE); 278 } 279 280 /* 281 * Check that the client-side caching (CSC) option value is valid. 282 */ 283 static boolean_t 284 validcsc(const char *value) 285 { 286 int i; 287 288 for (i = 0; i < (sizeof (cscopt) / sizeof (cscopt[0])); ++i) { 289 if (strcasecmp(value, cscopt[i].value) == 0) 290 return (B_TRUE); 291 } 292 293 return (B_FALSE); 294 } 295 296 /* 297 * smb_isonline() 298 * 299 * Determine if the SMF service instance is in the online state or 300 * not. A number of operations depend on this state. 301 */ 302 static boolean_t 303 smb_isonline(void) 304 { 305 char *str; 306 boolean_t ret = B_FALSE; 307 308 if ((str = smf_get_state(SMBD_DEFAULT_INSTANCE_FMRI)) != NULL) { 309 ret = (strcmp(str, SCF_STATE_STRING_ONLINE) == 0); 310 free(str); 311 } 312 return (ret); 313 } 314 315 /* 316 * smb_isdisabled() 317 * 318 * Determine if the SMF service instance is in the disabled state or 319 * not. A number of operations depend on this state. 320 */ 321 static boolean_t 322 smb_isdisabled(void) 323 { 324 char *str; 325 boolean_t ret = B_FALSE; 326 327 if ((str = smf_get_state(SMBD_DEFAULT_INSTANCE_FMRI)) != NULL) { 328 ret = (strcmp(str, SCF_STATE_STRING_DISABLED) == 0); 329 free(str); 330 } 331 return (ret); 332 } 333 334 /* 335 * smb_isautoenable() 336 * 337 * Determine if the SMF service instance auto_enabled set or not. A 338 * number of operations depend on this state. The property not being 339 * set or being set to true means autoenable. Only being set to false 340 * is not autoenabled. 341 */ 342 static boolean_t 343 smb_isautoenable(void) 344 { 345 boolean_t ret = B_TRUE; 346 scf_simple_prop_t *prop; 347 uint8_t *retstr; 348 349 prop = scf_simple_prop_get(NULL, SMBD_DEFAULT_INSTANCE_FMRI, 350 "application", "auto_enable"); 351 if (prop != NULL) { 352 retstr = scf_simple_prop_next_boolean(prop); 353 ret = *retstr != 0; 354 scf_simple_prop_free(prop); 355 } 356 return (ret); 357 } 358 359 /* 360 * smb_ismaint() 361 * 362 * Determine if the SMF service instance is in the disabled state or 363 * not. A number of operations depend on this state. 364 */ 365 static boolean_t 366 smb_ismaint(void) 367 { 368 char *str; 369 boolean_t ret = B_FALSE; 370 371 if ((str = smf_get_state(SMBD_DEFAULT_INSTANCE_FMRI)) != NULL) { 372 ret = (strcmp(str, SCF_STATE_STRING_MAINT) == 0); 373 free(str); 374 } 375 return (ret); 376 } 377 378 /* 379 * smb_enable_share tells the implementation that it is to enable the share. 380 * This entails converting the path and options into the appropriate ioctl 381 * calls. It is assumed that all error checking of paths, etc. were 382 * done earlier. 383 */ 384 static int 385 smb_enable_share(sa_share_t share) 386 { 387 char *path; 388 smb_share_t si; 389 sa_resource_t resource; 390 boolean_t iszfs; 391 boolean_t privileged; 392 int err = SA_OK; 393 priv_set_t *priv_effective; 394 boolean_t online; 395 396 /* 397 * Don't support Trusted Extensions. 398 */ 399 if (is_system_labeled()) { 400 (void) printf(dgettext(TEXT_DOMAIN, 401 "SMB: service not supported with Trusted Extensions\n")); 402 return (SA_NOT_SUPPORTED); 403 } 404 405 priv_effective = priv_allocset(); 406 (void) getppriv(PRIV_EFFECTIVE, priv_effective); 407 privileged = (priv_isfullset(priv_effective) == B_TRUE); 408 priv_freeset(priv_effective); 409 410 /* get the path since it is important in several places */ 411 path = sa_get_share_attr(share, "path"); 412 if (path == NULL) 413 return (SA_NO_SUCH_PATH); 414 415 /* 416 * If administratively disabled, don't try to start anything. 417 */ 418 online = smb_isonline(); 419 if (!online && !smb_isautoenable() && smb_isdisabled()) 420 goto done; 421 422 iszfs = sa_path_is_zfs(path); 423 424 if (iszfs) { 425 426 if (privileged == B_FALSE && !online) { 427 428 if (!online) { 429 (void) printf(dgettext(TEXT_DOMAIN, 430 "SMB: Cannot share remove " 431 "file system: %s\n"), path); 432 (void) printf(dgettext(TEXT_DOMAIN, 433 "SMB: Service needs to be enabled " 434 "by a privileged user\n")); 435 err = SA_NO_PERMISSION; 436 errno = EPERM; 437 } 438 if (err) { 439 sa_free_attr_string(path); 440 return (err); 441 } 442 443 } 444 } 445 446 if (privileged == B_TRUE && !online) { 447 err = smb_enable_service(); 448 if (err != SA_OK) { 449 (void) printf(dgettext(TEXT_DOMAIN, 450 "SMB: Unable to enable service\n")); 451 } else { 452 online = B_TRUE; 453 } 454 } 455 456 /* 457 * Don't bother trying to start shares if the service isn't 458 * running. 459 */ 460 if (!online) 461 goto done; 462 463 /* Each share can have multiple resources */ 464 for (resource = sa_get_share_resource(share, NULL); 465 resource != NULL; 466 resource = sa_get_next_resource(resource)) { 467 err = smb_build_shareinfo(share, resource, &si); 468 if (err != SA_OK) { 469 sa_free_attr_string(path); 470 return (err); 471 } 472 473 if (!iszfs) { 474 err = smb_share_create(&si); 475 } else { 476 share_t sh; 477 478 (void) sa_sharetab_fill_zfs(share, &sh, "smb"); 479 err = sa_share_zfs(share, resource, (char *)path, &sh, 480 &si, ZFS_SHARE_SMB); 481 if (err != SA_OK) { 482 errno = err; 483 err = -1; 484 } 485 sa_emptyshare(&sh); 486 } 487 } 488 if (!iszfs) 489 (void) sa_update_sharetab(share, "smb"); 490 done: 491 sa_free_attr_string(path); 492 493 return (err == NERR_DuplicateShare ? 0 : err); 494 } 495 496 /* 497 * This is the share for CIFS all shares have resource names. 498 * Enable tells the smb server to update its hash. If it fails 499 * because smb server is down, we just ignore as smb server loads 500 * the resources from sharemanager at startup. 501 */ 502 503 static int 504 smb_enable_resource(sa_resource_t resource) 505 { 506 sa_share_t share; 507 smb_share_t si; 508 int ret = SA_OK; 509 int err; 510 boolean_t isonline; 511 512 share = sa_get_resource_parent(resource); 513 if (share == NULL) 514 return (SA_NO_SUCH_PATH); 515 516 /* 517 * If administratively disabled, don't try to start anything. 518 */ 519 isonline = smb_isonline(); 520 if (!isonline && !smb_isautoenable() && smb_isdisabled()) 521 return (SA_OK); 522 523 if (!isonline) { 524 (void) smb_enable_service(); 525 526 if (!smb_isonline()) 527 return (SA_OK); 528 } 529 530 if ((ret = smb_build_shareinfo(share, resource, &si)) != SA_OK) 531 return (ret); 532 533 /* 534 * Attempt to add the share. Any error that occurs if it was 535 * online is an error but don't count NERR_DuplicateName if 536 * smb/server had to be brought online since bringing the 537 * service up will enable the share that was just added prior 538 * to the attempt to enable. 539 */ 540 err = smb_share_create(&si); 541 if (err == NERR_Success || !(!isonline && err == NERR_DuplicateName)) 542 (void) sa_update_sharetab(share, "smb"); 543 else 544 return (SA_NOT_SHARED); 545 546 return (SA_OK); 547 } 548 549 /* 550 * Remove it from smb server hash. 551 */ 552 static int 553 smb_disable_resource(sa_resource_t resource) 554 { 555 char *rname; 556 uint32_t res; 557 sa_share_t share; 558 559 rname = sa_get_resource_attr(resource, "name"); 560 if (rname == NULL) 561 return (SA_NO_SUCH_RESOURCE); 562 563 if (smb_isonline()) { 564 res = smb_share_delete(rname); 565 if (res != NERR_Success && 566 res != NERR_NetNameNotFound) { 567 sa_free_attr_string(rname); 568 return (SA_CONFIG_ERR); 569 } 570 } 571 572 sa_free_attr_string(rname); 573 574 share = sa_get_resource_parent(resource); 575 if (share != NULL) { 576 rname = sa_get_share_attr(share, "path"); 577 if (rname != NULL) { 578 sa_handle_t handle; 579 580 handle = sa_find_group_handle((sa_group_t)resource); 581 (void) sa_delete_sharetab(handle, rname, "smb"); 582 sa_free_attr_string(rname); 583 } 584 } 585 /* 586 * Always return OK as smb/server may be down and 587 * Shares will be picked up when loaded. 588 */ 589 return (SA_OK); 590 } 591 592 /* 593 * smb_share_changed(sa_share_t share) 594 * 595 * The specified share has changed. 596 */ 597 static int 598 smb_share_changed(sa_share_t share) 599 { 600 char *path; 601 sa_resource_t resource; 602 603 if (!smb_isonline()) 604 return (SA_OK); 605 606 /* get the path since it is important in several places */ 607 path = sa_get_share_attr(share, "path"); 608 if (path == NULL) 609 return (SA_NO_SUCH_PATH); 610 611 for (resource = sa_get_share_resource(share, NULL); 612 resource != NULL; 613 resource = sa_get_next_resource(resource)) 614 (void) smb_resource_changed(resource); 615 616 sa_free_attr_string(path); 617 618 return (SA_OK); 619 } 620 621 /* 622 * smb_resource_changed(sa_resource_t resource) 623 * 624 * The specified resource has changed. 625 */ 626 static int 627 smb_resource_changed(sa_resource_t resource) 628 { 629 uint32_t res; 630 sa_share_t share; 631 smb_share_t si; 632 633 if (!smb_isonline()) 634 return (SA_OK); 635 636 if ((share = sa_get_resource_parent(resource)) == NULL) 637 return (SA_CONFIG_ERR); 638 639 if ((res = smb_build_shareinfo(share, resource, &si)) != SA_OK) 640 return (res); 641 642 res = smb_share_modify(&si); 643 644 if (res != NERR_Success) 645 return (SA_CONFIG_ERR); 646 647 return (smb_enable_service()); 648 } 649 650 /* 651 * smb_disable_share(sa_share_t share, char *path) 652 * 653 * Unshare the specified share. Note that "path" is the same 654 * path as what is in the "share" object. It is passed in to avoid an 655 * additional lookup. A missing "path" value makes this a no-op 656 * function. 657 */ 658 static int 659 smb_disable_share(sa_share_t share, char *path) 660 { 661 char *rname; 662 sa_resource_t resource; 663 sa_group_t parent; 664 boolean_t iszfs; 665 int err = SA_OK; 666 int ret = SA_OK; 667 sa_handle_t handle; 668 boolean_t first = B_TRUE; /* work around sharetab issue */ 669 670 if (path == NULL) 671 return (ret); 672 673 /* 674 * If the share is in a ZFS group we need to handle it 675 * differently. Just being on a ZFS file system isn't 676 * enough since we may be in a legacy share case. 677 */ 678 parent = sa_get_parent_group(share); 679 iszfs = sa_group_is_zfs(parent); 680 681 if (!smb_isonline()) 682 goto done; 683 684 for (resource = sa_get_share_resource(share, NULL); 685 resource != NULL; 686 resource = sa_get_next_resource(resource)) { 687 rname = sa_get_resource_attr(resource, "name"); 688 if (rname == NULL) { 689 continue; 690 } 691 if (!iszfs) { 692 err = smb_share_delete(rname); 693 switch (err) { 694 case NERR_NetNameNotFound: 695 case NERR_Success: 696 err = SA_OK; 697 break; 698 default: 699 err = SA_CONFIG_ERR; 700 break; 701 } 702 } else { 703 share_t sh; 704 705 (void) sa_sharetab_fill_zfs(share, &sh, "smb"); 706 err = sa_share_zfs(share, resource, (char *)path, &sh, 707 rname, ZFS_UNSHARE_SMB); 708 if (err != SA_OK) { 709 switch (err) { 710 case EINVAL: 711 case ENOENT: 712 err = SA_OK; 713 break; 714 default: 715 /* 716 * If we are no longer the first case, 717 * we don't care about the sa_share_zfs 718 * err if it is -1. This works around 719 * a problem in sharefs and should be 720 * removed when sharefs supports 721 * multiple entries per path. 722 */ 723 if (!first) 724 err = SA_OK; 725 else 726 err = SA_SYSTEM_ERR; 727 break; 728 } 729 } 730 731 first = B_FALSE; 732 733 sa_emptyshare(&sh); 734 } 735 736 if (err != SA_OK) 737 ret = err; 738 sa_free_attr_string(rname); 739 } 740 done: 741 if (!iszfs) { 742 handle = sa_find_group_handle((sa_group_t)share); 743 if (handle != NULL) 744 (void) sa_delete_sharetab(handle, path, "smb"); 745 else 746 ret = SA_SYSTEM_ERR; 747 } 748 return (ret); 749 } 750 751 /* 752 * smb_validate_property(handle, property, parent) 753 * 754 * Check that the property has a legitimate value for its type. 755 * Handle isn't currently used but may need to be in the future. 756 */ 757 758 /*ARGSUSED*/ 759 static int 760 smb_validate_property(sa_handle_t handle, sa_property_t property, 761 sa_optionset_t parent) 762 { 763 int ret = SA_OK; 764 char *propname; 765 int optindex; 766 sa_group_t parent_group; 767 char *value; 768 char *other; 769 770 propname = sa_get_property_attr(property, "type"); 771 772 if ((optindex = findopt(propname)) < 0) 773 ret = SA_NO_SUCH_PROP; 774 775 /* need to validate value range here as well */ 776 if (ret == SA_OK) { 777 parent_group = sa_get_parent_group((sa_share_t)parent); 778 if (optdefs[optindex].share && !sa_is_share(parent_group)) 779 ret = SA_PROP_SHARE_ONLY; 780 } 781 if (ret != SA_OK) { 782 if (propname != NULL) 783 sa_free_attr_string(propname); 784 return (ret); 785 } 786 787 value = sa_get_property_attr(property, "value"); 788 if (value != NULL) { 789 /* first basic type checking */ 790 switch (optdefs[optindex].type) { 791 case OPT_TYPE_NUMBER: 792 /* check that the value is all digits */ 793 if (!is_a_number(value)) 794 ret = SA_BAD_VALUE; 795 break; 796 case OPT_TYPE_BOOLEAN: 797 ret = true_false_validator(0, value); 798 break; 799 case OPT_TYPE_NAME: 800 /* 801 * Make sure no invalid characters 802 */ 803 if (!validresource(value)) 804 ret = SA_BAD_VALUE; 805 break; 806 case OPT_TYPE_STRING: 807 /* whatever is here should be ok */ 808 break; 809 case OPT_TYPE_CSC: 810 if (!validcsc(value)) 811 ret = SA_BAD_VALUE; 812 break; 813 case OPT_TYPE_ACCLIST: { 814 sa_property_t oprop; 815 char *ovalue; 816 /* 817 * access list handling. Should eventually 818 * validate that all the values make sense. 819 * Also, ro and rw may have cross value 820 * conflicts. 821 */ 822 if (parent == NULL) 823 break; 824 if (strcmp(propname, SHOPT_RO) == 0) 825 other = SHOPT_RW; 826 else if (strcmp(propname, SHOPT_RW) == 0) 827 other = SHOPT_RO; 828 else 829 other = NULL; 830 if (other == NULL) 831 break; 832 833 /* compare rw(ro) with ro(rw) */ 834 oprop = sa_get_property(parent, other); 835 if (oprop == NULL) 836 break; 837 /* 838 * only potential 839 * confusion if other 840 * exists 841 */ 842 ovalue = sa_get_property_attr(oprop, "value"); 843 if (ovalue != NULL) { 844 ret = check_rorw(value, ovalue); 845 sa_free_attr_string(ovalue); 846 } 847 break; 848 } 849 default: 850 break; 851 } 852 } 853 854 if (value != NULL) 855 sa_free_attr_string(value); 856 if (ret == SA_OK && optdefs[optindex].check != NULL) 857 /* do the property specific check */ 858 ret = optdefs[optindex].check(property); 859 860 if (propname != NULL) 861 sa_free_attr_string(propname); 862 return (ret); 863 } 864 865 /* 866 * Protocol management functions 867 * 868 * properties defined in the default files are defined in 869 * proto_option_defs for parsing and validation. 870 */ 871 872 struct smb_proto_option_defs { 873 int smb_index; 874 int32_t minval; 875 int32_t maxval; /* In case of length of string this should be max */ 876 int (*validator)(int, char *); 877 int32_t refresh; 878 } smb_proto_options[] = { 879 { SMB_CI_SYS_CMNT, 0, MAX_VALUE_BUFLEN, 880 string_length_check_validator, SMB_REFRESH_REFRESH }, 881 { SMB_CI_MAX_WORKERS, SMB_PI_MAX_WORKERS_MIN, SMB_PI_MAX_WORKERS_MAX, 882 range_check_validator, SMB_REFRESH_REFRESH }, 883 { SMB_CI_NETBIOS_ENABLE, 0, 0, true_false_validator, 884 SMB_REFRESH_REFRESH }, 885 { SMB_CI_NBSCOPE, 0, MAX_VALUE_BUFLEN, 886 string_length_check_validator, 0 }, 887 { SMB_CI_LM_LEVEL, 2, 5, range_check_validator, 0 }, 888 { SMB_CI_KEEPALIVE, 20, 5400, range_check_validator_zero_ok, 889 SMB_REFRESH_REFRESH }, 890 { SMB_CI_WINS_SRV1, 0, MAX_VALUE_BUFLEN, 891 ipv4_validator, SMB_REFRESH_REFRESH }, 892 { SMB_CI_WINS_SRV2, 0, MAX_VALUE_BUFLEN, 893 ipv4_validator, SMB_REFRESH_REFRESH }, 894 { SMB_CI_WINS_EXCL, 0, MAX_VALUE_BUFLEN, 895 interface_validator, SMB_REFRESH_REFRESH }, 896 { SMB_CI_SIGNING_ENABLE, 0, 0, true_false_validator, 897 SMB_REFRESH_REFRESH }, 898 { SMB_CI_SIGNING_REQD, 0, 0, true_false_validator, 899 SMB_REFRESH_REFRESH }, 900 { SMB_CI_RESTRICT_ANON, 0, 0, true_false_validator, 901 SMB_REFRESH_REFRESH }, 902 { SMB_CI_DOMAIN_SRV, 0, MAX_VALUE_BUFLEN, 903 hostname_validator, SMB_REFRESH_REFRESH }, 904 { SMB_CI_ADS_SITE, 0, MAX_VALUE_BUFLEN, 905 string_length_check_validator, SMB_REFRESH_REFRESH }, 906 { SMB_CI_DYNDNS_ENABLE, 0, 0, true_false_validator, 0 }, 907 { SMB_CI_AUTOHOME_MAP, 0, MAX_VALUE_BUFLEN, path_validator, 0 }, 908 { SMB_CI_IPV6_ENABLE, 0, 0, true_false_validator, 909 SMB_REFRESH_REFRESH }, 910 { SMB_CI_PRINT_ENABLE, 0, 0, print_enable_validator, 911 SMB_REFRESH_REFRESH }, 912 { SMB_CI_TRAVERSE_MOUNTS, 0, 0, true_false_validator, 913 SMB_REFRESH_REFRESH }, 914 { SMB_CI_MAP, 0, MAX_VALUE_BUFLEN, cmd_validator, SMB_REFRESH_REFRESH }, 915 { SMB_CI_UNMAP, 0, MAX_VALUE_BUFLEN, cmd_validator, 916 SMB_REFRESH_REFRESH }, 917 { SMB_CI_DISPOSITION, 0, MAX_VALUE_BUFLEN, 918 disposition_validator, SMB_REFRESH_REFRESH }, 919 { SMB_CI_MAX_PROTOCOL, 0, MAX_VALUE_BUFLEN, max_protocol_validator, 920 SMB_REFRESH_REFRESH }, 921 { SMB_CI_OPLOCK_ENABLE, 0, 0, true_false_validator, 922 SMB_REFRESH_REFRESH }, 923 }; 924 925 #define SMB_OPT_NUM \ 926 (sizeof (smb_proto_options) / sizeof (smb_proto_options[0])) 927 928 /* 929 * Check the range of value as int range. 930 */ 931 static int 932 range_check_validator(int index, char *value) 933 { 934 int ret = SA_OK; 935 936 if (!is_a_number(value)) { 937 ret = SA_BAD_VALUE; 938 } else { 939 int val; 940 val = strtoul(value, NULL, 0); 941 if (val < smb_proto_options[index].minval || 942 val > smb_proto_options[index].maxval) 943 ret = SA_BAD_VALUE; 944 } 945 return (ret); 946 } 947 948 /* 949 * Check the range of value as int range. 950 */ 951 static int 952 range_check_validator_zero_ok(int index, char *value) 953 { 954 int ret = SA_OK; 955 956 if (!is_a_number(value)) { 957 ret = SA_BAD_VALUE; 958 } else { 959 int val; 960 val = strtoul(value, NULL, 0); 961 if (val == 0) 962 ret = SA_OK; 963 else { 964 if (val < smb_proto_options[index].minval || 965 val > smb_proto_options[index].maxval) 966 ret = SA_BAD_VALUE; 967 } 968 } 969 return (ret); 970 } 971 972 /* 973 * Check the length of the string 974 */ 975 static int 976 string_length_check_validator(int index, char *value) 977 { 978 int ret = SA_OK; 979 980 if (value == NULL) 981 return (SA_BAD_VALUE); 982 if (strlen(value) > smb_proto_options[index].maxval) 983 ret = SA_BAD_VALUE; 984 return (ret); 985 } 986 987 /* 988 * Check yes/no 989 */ 990 /*ARGSUSED*/ 991 static int 992 true_false_validator(int index, char *value) 993 { 994 if (value == NULL) 995 return (SA_BAD_VALUE); 996 if ((strcasecmp(value, "true") == 0) || 997 (strcasecmp(value, "false") == 0)) 998 return (SA_OK); 999 return (SA_BAD_VALUE); 1000 } 1001 1002 /* 1003 * If printing support is compiled in, this is the same as: 1004 * true_false_validator. Otherwise, only allow false. 1005 */ 1006 /*ARGSUSED*/ 1007 static int 1008 print_enable_validator(int index, char *value) 1009 { 1010 if (value == NULL) 1011 return (SA_BAD_VALUE); 1012 1013 #ifdef HAVE_CUPS 1014 if (strcasecmp(value, "true") == 0) 1015 return (SA_OK); 1016 #endif 1017 if (strcasecmp(value, "false") == 0) 1018 return (SA_OK); 1019 1020 return (SA_BAD_VALUE); 1021 } 1022 1023 /* 1024 * Check IP v4 address. 1025 */ 1026 /*ARGSUSED*/ 1027 static int 1028 ipv4_validator(int index, char *value) 1029 { 1030 char sbytes[16]; 1031 1032 if (value == NULL) 1033 return (SA_OK); 1034 1035 if (strlen(value) == 0) 1036 return (SA_OK); 1037 1038 if (inet_pton(AF_INET, value, (void *)sbytes) != 1) 1039 return (SA_BAD_VALUE); 1040 1041 return (SA_OK); 1042 } 1043 1044 /* 1045 * Check that the specified name is an IP address (v4 or v6) or a hostname. 1046 * Per RFC 1035 and 1123, names may contain alphanumeric characters, hyphens 1047 * and dots. The first and last character of a label must be alphanumeric. 1048 * Interior characters may be alphanumeric or hypens. 1049 * 1050 * Domain names should not contain underscores but we allow them because 1051 * Windows names are often in non-compliance with this rule. 1052 */ 1053 /*ARGSUSED*/ 1054 static int 1055 hostname_validator(int index, char *value) 1056 { 1057 char sbytes[INET6_ADDRSTRLEN]; 1058 boolean_t new_label = B_TRUE; 1059 char *p; 1060 char label_terminator; 1061 int len; 1062 1063 if (value == NULL) 1064 return (SA_OK); 1065 1066 if ((len = strlen(value)) == 0) 1067 return (SA_OK); 1068 1069 if (inet_pton(AF_INET, value, (void *)sbytes) == 1) 1070 return (SA_OK); 1071 1072 if (inet_pton(AF_INET6, value, (void *)sbytes) == 1) 1073 return (SA_OK); 1074 1075 if (len >= MAXHOSTNAMELEN) 1076 return (SA_BAD_VALUE); 1077 1078 if (strspn(value, "0123456789.") == len) 1079 return (SA_BAD_VALUE); 1080 1081 label_terminator = *value; 1082 1083 for (p = value; *p != '\0'; ++p) { 1084 if (new_label) { 1085 if (!isalnum(*p)) 1086 return (SA_BAD_VALUE); 1087 new_label = B_FALSE; 1088 label_terminator = *p; 1089 continue; 1090 } 1091 1092 if (*p == '.') { 1093 if (!isalnum(label_terminator)) 1094 return (SA_BAD_VALUE); 1095 new_label = B_TRUE; 1096 label_terminator = *p; 1097 continue; 1098 } 1099 1100 label_terminator = *p; 1101 1102 if (isalnum(*p) || *p == '-' || *p == '_') 1103 continue; 1104 1105 return (SA_BAD_VALUE); 1106 } 1107 1108 if (!isalnum(label_terminator)) 1109 return (SA_BAD_VALUE); 1110 1111 return (SA_OK); 1112 } 1113 1114 /* 1115 * Call back function for dlpi_walk. 1116 * Returns TRUE if interface name exists on the host. 1117 */ 1118 static boolean_t 1119 smb_get_interface(const char *ifname, void *arg) 1120 { 1121 smb_hostifs_walker_t *iterp = arg; 1122 1123 iterp->hiw_matchfound = (strcmp(ifname, iterp->hiw_ifname) == 0); 1124 1125 return (iterp->hiw_matchfound); 1126 } 1127 1128 /* 1129 * Checks to see if the input interface exists on the host. 1130 * Returns B_TRUE if the match is found, B_FALSE otherwise. 1131 */ 1132 static boolean_t 1133 smb_validate_interface(const char *ifname) 1134 { 1135 smb_hostifs_walker_t iter; 1136 1137 if ((ifname == NULL) || (*ifname == '\0')) 1138 return (B_FALSE); 1139 1140 iter.hiw_ifname = ifname; 1141 iter.hiw_matchfound = B_FALSE; 1142 dlpi_walk(smb_get_interface, &iter, 0); 1143 1144 return (iter.hiw_matchfound); 1145 } 1146 1147 /* 1148 * Check valid interfaces. Interface names value can be NULL or empty. 1149 * Returns SA_BAD_VALUE if interface cannot be found on the host. 1150 */ 1151 /*ARGSUSED*/ 1152 static int 1153 interface_validator(int index, char *value) 1154 { 1155 char buf[16]; 1156 int ret = SA_OK; 1157 char *ifname, *tmp, *p; 1158 1159 if (value == NULL || *value == '\0') 1160 return (ret); 1161 1162 if (strlen(value) > MAX_VALUE_BUFLEN) 1163 return (SA_BAD_VALUE); 1164 1165 if ((p = strdup(value)) == NULL) 1166 return (SA_NO_MEMORY); 1167 1168 tmp = p; 1169 while ((ifname = strsep(&tmp, ",")) != NULL) { 1170 if (*ifname == '\0') { 1171 ret = SA_BAD_VALUE; 1172 break; 1173 } 1174 1175 if (!smb_validate_interface(ifname)) { 1176 if (inet_pton(AF_INET, ifname, (void *)buf) == 0) { 1177 ret = SA_BAD_VALUE; 1178 break; 1179 } 1180 } 1181 } 1182 1183 free(p); 1184 return (ret); 1185 } 1186 1187 /* 1188 * Check path 1189 */ 1190 /*ARGSUSED*/ 1191 static int 1192 path_validator(int index, char *path) 1193 { 1194 struct stat buffer; 1195 int fd, status; 1196 1197 if (path == NULL) 1198 return (SA_BAD_VALUE); 1199 1200 fd = open(path, O_RDONLY); 1201 if (fd < 0) 1202 return (SA_BAD_VALUE); 1203 1204 status = fstat(fd, &buffer); 1205 (void) close(fd); 1206 1207 if (status < 0) 1208 return (SA_BAD_VALUE); 1209 1210 if (buffer.st_mode & S_IFDIR) 1211 return (SA_OK); 1212 return (SA_BAD_VALUE); 1213 } 1214 1215 /* 1216 * the protoset holds the defined options so we don't have to read 1217 * them multiple times 1218 */ 1219 static sa_protocol_properties_t protoset; 1220 1221 static int 1222 findprotoopt(char *name) 1223 { 1224 int i; 1225 char *sc_name; 1226 1227 for (i = 0; i < SMB_OPT_NUM; i++) { 1228 sc_name = smb_config_getname(smb_proto_options[i].smb_index); 1229 if (strcasecmp(sc_name, name) == 0) 1230 return (i); 1231 } 1232 1233 return (-1); 1234 } 1235 1236 /* 1237 * smb_load_proto_properties() 1238 * 1239 * read the smb config values from SMF. 1240 */ 1241 1242 static int 1243 smb_load_proto_properties() 1244 { 1245 sa_property_t prop; 1246 char value[MAX_VALUE_BUFLEN]; 1247 char *name; 1248 int index; 1249 int ret = SA_OK; 1250 int rc; 1251 1252 protoset = sa_create_protocol_properties(SMB_PROTOCOL_NAME); 1253 if (protoset == NULL) 1254 return (SA_NO_MEMORY); 1255 1256 for (index = 0; index < SMB_OPT_NUM && ret == SA_OK; index++) { 1257 rc = smb_config_get(smb_proto_options[index].smb_index, 1258 value, sizeof (value)); 1259 if (rc != SMBD_SMF_OK) 1260 continue; 1261 name = smb_config_getname(smb_proto_options[index].smb_index); 1262 prop = sa_create_property(name, value); 1263 if (prop != NULL) 1264 ret = sa_add_protocol_property(protoset, prop); 1265 else 1266 ret = SA_NO_MEMORY; 1267 } 1268 return (ret); 1269 } 1270 1271 /* 1272 * smb_share_init() 1273 * 1274 * Initialize the smb plugin. 1275 */ 1276 1277 static int 1278 smb_share_init(void) 1279 { 1280 if (sa_plugin_ops.sa_init != smb_share_init) 1281 return (SA_SYSTEM_ERR); 1282 1283 smb_share_door_clnt_init(); 1284 return (smb_load_proto_properties()); 1285 } 1286 1287 /* 1288 * smb_share_fini() 1289 * 1290 */ 1291 static void 1292 smb_share_fini(void) 1293 { 1294 xmlFreeNode(protoset); 1295 protoset = NULL; 1296 1297 smb_share_door_clnt_fini(); 1298 } 1299 1300 /* 1301 * smb_get_proto_set() 1302 * 1303 * Return an optionset with all the protocol specific properties in 1304 * it. 1305 */ 1306 static sa_protocol_properties_t 1307 smb_get_proto_set(void) 1308 { 1309 return (protoset); 1310 } 1311 1312 /* 1313 * smb_enable_dependencies() 1314 * 1315 * SMBD_DEFAULT_INSTANCE_FMRI may have some dependencies that aren't 1316 * enabled. This will attempt to enable all of them. 1317 */ 1318 static void 1319 smb_enable_dependencies(const char *fmri) 1320 { 1321 scf_handle_t *handle; 1322 scf_service_t *service; 1323 scf_instance_t *inst = NULL; 1324 scf_iter_t *iter; 1325 scf_property_t *prop; 1326 scf_value_t *value; 1327 scf_propertygroup_t *pg; 1328 scf_scope_t *scope; 1329 char type[SCFTYPE_LEN]; 1330 char *dependency; 1331 char *servname; 1332 int maxlen; 1333 1334 /* 1335 * Get all required handles and storage. 1336 */ 1337 handle = scf_handle_create(SCF_VERSION); 1338 if (handle == NULL) 1339 return; 1340 1341 if (scf_handle_bind(handle) != 0) { 1342 scf_handle_destroy(handle); 1343 return; 1344 } 1345 1346 maxlen = scf_limit(SCF_LIMIT_MAX_VALUE_LENGTH); 1347 if (maxlen == (ssize_t)-1) 1348 maxlen = MAXPATHLEN; 1349 1350 dependency = malloc(maxlen); 1351 1352 service = scf_service_create(handle); 1353 1354 iter = scf_iter_create(handle); 1355 1356 pg = scf_pg_create(handle); 1357 1358 prop = scf_property_create(handle); 1359 1360 value = scf_value_create(handle); 1361 1362 scope = scf_scope_create(handle); 1363 1364 if (service == NULL || iter == NULL || pg == NULL || prop == NULL || 1365 value == NULL || scope == NULL || dependency == NULL) 1366 goto done; 1367 1368 /* 1369 * We passed in the FMRI for the default instance but for 1370 * some things we need the simple form so construct it. Since 1371 * we reuse the storage that dependency points to, we need to 1372 * use the servname early. 1373 */ 1374 (void) snprintf(dependency, maxlen, "%s", fmri + sizeof ("svc:")); 1375 servname = strrchr(dependency, ':'); 1376 if (servname == NULL) 1377 goto done; 1378 *servname = '\0'; 1379 servname = dependency; 1380 1381 /* 1382 * Setup to iterate over the service property groups, only 1383 * looking at those that are "dependency" types. The "entity" 1384 * property will have the FMRI of the service we are dependent 1385 * on. 1386 */ 1387 if (scf_handle_get_scope(handle, SCF_SCOPE_LOCAL, scope) != 0) 1388 goto done; 1389 1390 if (scf_scope_get_service(scope, servname, service) != 0) 1391 goto done; 1392 1393 if (scf_iter_service_pgs(iter, service) != 0) 1394 goto done; 1395 1396 while (scf_iter_next_pg(iter, pg) > 0) { 1397 char *services[2]; 1398 /* 1399 * Have a property group for the service. See if it is 1400 * a dependency pg and only do operations on those. 1401 */ 1402 if (scf_pg_get_type(pg, type, SCFTYPE_LEN) <= 0) 1403 continue; 1404 1405 if (strncmp(type, SCF_GROUP_DEPENDENCY, SCFTYPE_LEN) != 0) 1406 continue; 1407 /* 1408 * Have a dependency. Attempt to enable it. 1409 */ 1410 if (scf_pg_get_property(pg, SCF_PROPERTY_ENTITIES, prop) != 0) 1411 continue; 1412 1413 if (scf_property_get_value(prop, value) != 0) 1414 continue; 1415 1416 services[1] = NULL; 1417 1418 if (scf_value_get_as_string(value, dependency, maxlen) > 0) { 1419 services[0] = dependency; 1420 _check_services(services); 1421 } 1422 } 1423 1424 done: 1425 if (dependency != NULL) 1426 free(dependency); 1427 if (value != NULL) 1428 scf_value_destroy(value); 1429 if (prop != NULL) 1430 scf_property_destroy(prop); 1431 if (pg != NULL) 1432 scf_pg_destroy(pg); 1433 if (iter != NULL) 1434 scf_iter_destroy(iter); 1435 if (scope != NULL) 1436 scf_scope_destroy(scope); 1437 if (inst != NULL) 1438 scf_instance_destroy(inst); 1439 if (service != NULL) 1440 scf_service_destroy(service); 1441 1442 (void) scf_handle_unbind(handle); 1443 scf_handle_destroy(handle); 1444 } 1445 1446 /* 1447 * How long to wait for service to come online 1448 */ 1449 #define WAIT_FOR_SERVICE 15 1450 1451 /* 1452 * smb_enable_service() 1453 * 1454 */ 1455 static int 1456 smb_enable_service(void) 1457 { 1458 int i; 1459 int ret = SA_OK; 1460 char *service[] = { SMBD_DEFAULT_INSTANCE_FMRI, NULL }; 1461 1462 if (!smb_isonline()) { 1463 /* 1464 * Attempt to start the idmap, and other dependent 1465 * services, first. If it fails, the SMB service will 1466 * ultimately fail so we use that as the error. If we 1467 * don't try to enable idmap, smb won't start the 1468 * first time unless the admin has done it 1469 * manually. The service could be administratively 1470 * disabled so we won't always get started. 1471 */ 1472 smb_enable_dependencies(SMBD_DEFAULT_INSTANCE_FMRI); 1473 _check_services(service); 1474 1475 /* Wait for service to come online */ 1476 for (i = 0; i < WAIT_FOR_SERVICE; i++) { 1477 if (smb_isonline()) { 1478 ret = SA_OK; 1479 break; 1480 } else if (smb_ismaint()) { 1481 /* maintenance requires help */ 1482 ret = SA_SYSTEM_ERR; 1483 break; 1484 } else { 1485 /* try another time */ 1486 ret = SA_BUSY; 1487 (void) sleep(1); 1488 } 1489 } 1490 } 1491 return (ret); 1492 } 1493 1494 /* 1495 * smb_validate_proto_prop(index, name, value) 1496 * 1497 * Verify that the property specified by name can take the new 1498 * value. This is a sanity check to prevent bad values getting into 1499 * the default files. 1500 */ 1501 static int 1502 smb_validate_proto_prop(int index, char *name, char *value) 1503 { 1504 if ((name == NULL) || (index < 0)) 1505 return (SA_BAD_VALUE); 1506 1507 if (smb_proto_options[index].validator == NULL) 1508 return (SA_OK); 1509 1510 if (smb_proto_options[index].validator(index, value) == SA_OK) 1511 return (SA_OK); 1512 return (SA_BAD_VALUE); 1513 } 1514 1515 /* 1516 * smb_set_proto_prop(prop) 1517 * 1518 * check that prop is valid. 1519 */ 1520 /*ARGSUSED*/ 1521 static int 1522 smb_set_proto_prop(sa_property_t prop) 1523 { 1524 int ret = SA_OK; 1525 char *name; 1526 char *value; 1527 int index = -1; 1528 struct smb_proto_option_defs *opt; 1529 1530 name = sa_get_property_attr(prop, "type"); 1531 value = sa_get_property_attr(prop, "value"); 1532 if (name != NULL && value != NULL) { 1533 index = findprotoopt(name); 1534 if (index >= 0) { 1535 /* should test for valid value */ 1536 ret = smb_validate_proto_prop(index, name, value); 1537 if (ret == SA_OK) { 1538 opt = &smb_proto_options[index]; 1539 1540 /* Save to SMF */ 1541 (void) smb_config_set(opt->smb_index, value); 1542 /* 1543 * Specialized refresh mechanisms can 1544 * be flagged in the proto_options and 1545 * processed here. 1546 */ 1547 if (opt->refresh & SMB_REFRESH_REFRESH) 1548 (void) smf_refresh_instance( 1549 SMBD_DEFAULT_INSTANCE_FMRI); 1550 else if (opt->refresh & SMB_REFRESH_RESTART) 1551 (void) smf_restart_instance( 1552 SMBD_DEFAULT_INSTANCE_FMRI); 1553 } 1554 } 1555 } 1556 1557 if (name != NULL) 1558 sa_free_attr_string(name); 1559 if (value != NULL) 1560 sa_free_attr_string(value); 1561 1562 return (ret); 1563 } 1564 1565 /* 1566 * smb_get_status() 1567 * 1568 * What is the current status of the smbd? We use the SMF state here. 1569 * Caller must free the returned value. 1570 */ 1571 1572 static char * 1573 smb_get_status(void) 1574 { 1575 return (smf_get_state(SMBD_DEFAULT_INSTANCE_FMRI)); 1576 } 1577 1578 /* 1579 * This protocol plugin require resource names 1580 */ 1581 static uint64_t 1582 smb_share_features(void) 1583 { 1584 return (SA_FEATURE_RESOURCE | SA_FEATURE_ALLOWSUBDIRS | 1585 SA_FEATURE_ALLOWPARDIRS | SA_FEATURE_SERVER); 1586 } 1587 1588 /* 1589 * This should be used to convert smb_share_t to sa_resource_t 1590 * Should only be needed to build transient shares/resources to be 1591 * supplied to sharemgr to display. 1592 */ 1593 static int 1594 smb_add_transient(sa_handle_t handle, smb_share_t *si) 1595 { 1596 int err; 1597 sa_share_t share; 1598 sa_group_t group; 1599 sa_resource_t resource; 1600 nvlist_t *nvl; 1601 char *opt; 1602 1603 if (si == NULL) 1604 return (SA_INVALID_NAME); 1605 1606 if ((share = sa_find_share(handle, si->shr_path)) == NULL) { 1607 if ((group = smb_get_defaultgrp(handle)) == NULL) 1608 return (SA_NO_SUCH_GROUP); 1609 1610 share = sa_get_share(group, si->shr_path); 1611 if (share == NULL) { 1612 share = sa_add_share(group, si->shr_path, 1613 SA_SHARE_TRANSIENT, &err); 1614 if (share == NULL) 1615 return (SA_NO_SUCH_PATH); 1616 } 1617 } 1618 1619 /* 1620 * Now handle the resource. Make sure that the resource is 1621 * transient and added to the share. 1622 */ 1623 resource = sa_get_share_resource(share, si->shr_name); 1624 if (resource == NULL) { 1625 resource = sa_add_resource(share, 1626 si->shr_name, SA_SHARE_TRANSIENT, &err); 1627 if (resource == NULL) 1628 return (SA_NO_SUCH_RESOURCE); 1629 } 1630 1631 if (si->shr_cmnt[0] != '\0') 1632 (void) sa_set_resource_description(resource, si->shr_cmnt); 1633 1634 if (si->shr_container[0] != '\0') 1635 (void) sa_set_resource_attr(resource, SHOPT_AD_CONTAINER, 1636 si->shr_container); 1637 1638 if (nvlist_alloc(&nvl, NV_UNIQUE_NAME, 0) != 0) 1639 return (SA_NO_MEMORY); 1640 1641 if ((opt = smb_csc_name(si)) != NULL) 1642 err |= nvlist_add_string(nvl, SHOPT_CSC, opt); 1643 1644 opt = (si->shr_flags & SMB_SHRF_ABE) ? "true" : "false"; 1645 err |= nvlist_add_string(nvl, SHOPT_ABE, opt); 1646 1647 if ((si->shr_flags & SMB_SHRF_AUTOHOME) == 0) { 1648 opt = (si->shr_flags & SMB_SHRF_GUEST_OK) ? "true" : "false"; 1649 err |= nvlist_add_string(nvl, SHOPT_GUEST, opt); 1650 } 1651 1652 if (si->shr_access_ro[0] != '\0') 1653 err |= nvlist_add_string(nvl, SHOPT_RO, si->shr_access_ro); 1654 1655 if (si->shr_access_rw[0] != '\0') 1656 err |= nvlist_add_string(nvl, SHOPT_RW, si->shr_access_rw); 1657 1658 if (si->shr_access_none[0] != '\0') 1659 err |= nvlist_add_string(nvl, SHOPT_NONE, si->shr_access_none); 1660 1661 if (err) { 1662 nvlist_free(nvl); 1663 return (SA_CONFIG_ERR); 1664 } 1665 1666 err = smb_update_optionset_props(handle, resource, nvl); 1667 1668 nvlist_free(nvl); 1669 return (err); 1670 } 1671 1672 /* 1673 * Return smb transient shares. 1674 */ 1675 static int 1676 smb_list_transient(sa_handle_t handle) 1677 { 1678 int i, offset; 1679 smb_shrlist_t list; 1680 int res; 1681 1682 if (smb_share_count() <= 0) 1683 return (SA_OK); 1684 1685 offset = 0; 1686 while (smb_share_list(offset, &list) == NERR_Success) { 1687 if (list.sl_cnt == 0) 1688 break; 1689 1690 for (i = 0; i < list.sl_cnt; i++) { 1691 res = smb_add_transient(handle, &(list.sl_shares[i])); 1692 if (res != SA_OK) 1693 return (res); 1694 } 1695 offset += list.sl_cnt; 1696 } 1697 1698 return (SA_OK); 1699 } 1700 1701 /* 1702 * fix_resource_name(share, name, prefix) 1703 * 1704 * Construct a name where the ZFS dataset has the prefix replaced with "name". 1705 */ 1706 static char * 1707 fix_resource_name(sa_share_t share, char *name, char *prefix) 1708 { 1709 char buf[SA_MAX_RESOURCE_NAME + 1]; 1710 char *dataset; 1711 size_t bufsz = SA_MAX_RESOURCE_NAME + 1; 1712 size_t prelen; 1713 1714 if (prefix == NULL) 1715 return (strdup(name)); 1716 1717 dataset = sa_get_share_attr(share, "dataset"); 1718 if (dataset == NULL) 1719 return (strdup(name)); 1720 1721 (void) strlcpy(buf, name, bufsz); 1722 prelen = strlen(prefix); 1723 1724 if (strncmp(dataset, prefix, prelen) == 0) 1725 (void) strlcat(buf, dataset + prelen, bufsz); 1726 1727 sa_free_attr_string(dataset); 1728 sa_fix_resource_name(buf); 1729 return (strdup(buf)); 1730 } 1731 1732 /* 1733 * smb_parse_optstring(group, options) 1734 * 1735 * parse a compact option string into individual options. This allows 1736 * ZFS sharesmb and sharemgr "share" command to work. group can be a 1737 * group, a share or a resource. 1738 */ 1739 static int 1740 smb_parse_optstring(sa_group_t group, char *options) 1741 { 1742 char *dup; 1743 char *base; 1744 char *lasts; 1745 char *token; 1746 sa_optionset_t optionset; 1747 sa_group_t parent = NULL; 1748 sa_resource_t resource = NULL; 1749 int iszfs = 0; 1750 int persist = 0; 1751 int need_optionset = 0; 1752 int ret = SA_OK; 1753 sa_property_t prop; 1754 1755 /* 1756 * In order to not attempt to change ZFS properties unless 1757 * absolutely necessary, we never do it in the legacy parsing 1758 * so we need to keep track of this. 1759 */ 1760 if (sa_is_share(group)) { 1761 char *zfs; 1762 1763 parent = sa_get_parent_group(group); 1764 if (parent != NULL) { 1765 zfs = sa_get_group_attr(parent, "zfs"); 1766 if (zfs != NULL) { 1767 sa_free_attr_string(zfs); 1768 iszfs = 1; 1769 } 1770 } 1771 } else { 1772 iszfs = sa_group_is_zfs(group); 1773 /* 1774 * If a ZFS group, then we need to see if a resource 1775 * name is being set. If so, bail with 1776 * SA_PROP_SHARE_ONLY, so we come back in with a share 1777 * instead of a group. 1778 */ 1779 if (iszfs || 1780 strncmp(options, "name=", sizeof ("name=") - 1) == 0 || 1781 strstr(options, ",name=") != NULL) { 1782 return (SA_PROP_SHARE_ONLY); 1783 } 1784 } 1785 1786 /* do we have an existing optionset? */ 1787 optionset = sa_get_optionset(group, "smb"); 1788 if (optionset == NULL) { 1789 /* didn't find existing optionset so create one */ 1790 optionset = sa_create_optionset(group, "smb"); 1791 if (optionset == NULL) 1792 return (SA_NO_MEMORY); 1793 } else { 1794 /* 1795 * If an optionset already exists, we've come through 1796 * twice so ignore the second time. 1797 */ 1798 return (ret); 1799 } 1800 1801 /* We need a copy of options for the next part. */ 1802 dup = strdup(options); 1803 if (dup == NULL) 1804 return (SA_NO_MEMORY); 1805 1806 /* 1807 * SMB properties are straightforward and are strings, 1808 * integers or booleans. Properties are separated by 1809 * commas. It will be necessary to parse quotes due to some 1810 * strings not having a restricted characters set. 1811 * 1812 * Note that names will create a resource. For now, if there 1813 * is a set of properties "before" the first name="", those 1814 * properties will be placed on the group. 1815 */ 1816 persist = sa_is_persistent(group); 1817 base = dup; 1818 token = dup; 1819 lasts = NULL; 1820 while (token != NULL && ret == SA_OK) { 1821 ret = SA_OK; 1822 token = strtok_r(base, ",", &lasts); 1823 base = NULL; 1824 if (token != NULL) { 1825 char *value; 1826 /* 1827 * All SMB properties have values so there 1828 * MUST be an '=' character. If it doesn't, 1829 * it is a syntax error. 1830 */ 1831 value = strchr(token, '='); 1832 if (value != NULL) { 1833 *value++ = '\0'; 1834 } else { 1835 ret = SA_SYNTAX_ERR; 1836 break; 1837 } 1838 /* 1839 * We may need to handle a "name" property 1840 * that is a ZFS imposed resource name. Each 1841 * name would trigger getting a new "resource" 1842 * to put properties on. For now, assume no 1843 * "name" property for special handling. 1844 */ 1845 1846 if (strcmp(token, SHOPT_NAME) == 0) { 1847 char *prefix; 1848 char *name = NULL; 1849 /* 1850 * We have a name, so now work on the 1851 * resource level. We have a "share" 1852 * in "group" due to the caller having 1853 * added it. If we are called with a 1854 * group, the check for group/share 1855 * at the beginning of this function 1856 * will bail out the parse if there is a 1857 * "name" but no share. 1858 */ 1859 if (!iszfs) { 1860 ret = SA_SYNTAX_ERR; 1861 break; 1862 } 1863 /* 1864 * Make sure the parent group has the 1865 * "prefix" property since we will 1866 * need to use this for constructing 1867 * inherited name= values. 1868 */ 1869 prefix = sa_get_group_attr(parent, "prefix"); 1870 if (prefix == NULL) { 1871 prefix = sa_get_group_attr(parent, 1872 "name"); 1873 if (prefix != NULL) { 1874 (void) sa_set_group_attr(parent, 1875 "prefix", prefix); 1876 } 1877 } 1878 name = fix_resource_name((sa_share_t)group, 1879 value, prefix); 1880 if (name != NULL) { 1881 resource = sa_add_resource( 1882 (sa_share_t)group, name, 1883 SA_SHARE_TRANSIENT, &ret); 1884 sa_free_attr_string(name); 1885 } else { 1886 ret = SA_NO_MEMORY; 1887 } 1888 if (prefix != NULL) 1889 sa_free_attr_string(prefix); 1890 1891 /* A resource level optionset is needed */ 1892 1893 need_optionset = 1; 1894 if (resource == NULL) { 1895 ret = SA_NO_MEMORY; 1896 break; 1897 } 1898 continue; 1899 } 1900 1901 if (iszfs && strcmp(token, SHOPT_DESCRIPTION) == 0) { 1902 if (resource == NULL) 1903 (void) sa_set_share_description( 1904 (sa_share_t)group, value); 1905 else 1906 (void) sa_set_resource_description( 1907 resource, value); 1908 continue; 1909 } 1910 1911 if (need_optionset) { 1912 optionset = sa_create_optionset(resource, 1913 "smb"); 1914 need_optionset = 0; 1915 } 1916 1917 prop = sa_create_property(token, value); 1918 if (prop == NULL) 1919 ret = SA_NO_MEMORY; 1920 else 1921 ret = sa_add_property(optionset, prop); 1922 if (ret != SA_OK) 1923 break; 1924 if (!iszfs) 1925 ret = sa_commit_properties(optionset, !persist); 1926 } 1927 } 1928 free(dup); 1929 return (ret); 1930 } 1931 1932 /* 1933 * smb_sprint_option(rbuff, rbuffsize, incr, prop, sep) 1934 * 1935 * provides a mechanism to format SMB properties into legacy output 1936 * format. If the buffer would overflow, it is reallocated and grown 1937 * as appropriate. Special cases of converting internal form of values 1938 * to those used by "share" are done. this function does one property 1939 * at a time. 1940 */ 1941 1942 static void 1943 smb_sprint_option(char **rbuff, size_t *rbuffsize, size_t incr, 1944 sa_property_t prop, int sep) 1945 { 1946 char *name; 1947 char *value; 1948 int curlen; 1949 char *buff = *rbuff; 1950 size_t buffsize = *rbuffsize; 1951 1952 name = sa_get_property_attr(prop, "type"); 1953 value = sa_get_property_attr(prop, "value"); 1954 if (buff != NULL) 1955 curlen = strlen(buff); 1956 else 1957 curlen = 0; 1958 if (name != NULL) { 1959 int len; 1960 len = strlen(name) + sep; 1961 1962 /* 1963 * A future RFE would be to replace this with more 1964 * generic code and to possibly handle more types. 1965 * 1966 * For now, everything else is treated as a string. If 1967 * we get any properties that aren't exactly 1968 * name/value pairs, we may need to 1969 * interpret/transform. 1970 */ 1971 if (value != NULL) 1972 len += 1 + strlen(value); 1973 1974 while (buffsize <= (curlen + len)) { 1975 /* need more room */ 1976 buffsize += incr; 1977 buff = realloc(buff, buffsize); 1978 *rbuff = buff; 1979 *rbuffsize = buffsize; 1980 if (buff == NULL) { 1981 /* realloc failed so free everything */ 1982 if (*rbuff != NULL) 1983 free(*rbuff); 1984 goto err; 1985 } 1986 } 1987 if (buff == NULL) 1988 goto err; 1989 (void) snprintf(buff + curlen, buffsize - curlen, 1990 "%s%s=%s", sep ? "," : "", 1991 name, value != NULL ? value : "\"\""); 1992 1993 } 1994 err: 1995 if (name != NULL) 1996 sa_free_attr_string(name); 1997 if (value != NULL) 1998 sa_free_attr_string(value); 1999 } 2000 2001 /* 2002 * smb_format_resource_options(resource, hier) 2003 * 2004 * format all the options on the group into a flattened option 2005 * string. If hier is non-zero, walk up the tree to get inherited 2006 * options. 2007 */ 2008 2009 static char * 2010 smb_format_options(sa_group_t group, int hier) 2011 { 2012 sa_optionset_t options = NULL; 2013 sa_property_t prop; 2014 int sep = 0; 2015 char *buff; 2016 size_t buffsize; 2017 2018 2019 buff = malloc(OPT_CHUNK); 2020 if (buff == NULL) 2021 return (NULL); 2022 2023 buff[0] = '\0'; 2024 buffsize = OPT_CHUNK; 2025 2026 /* 2027 * We may have a an optionset relative to this item. format 2028 * these if we find them and then add any security definitions. 2029 */ 2030 2031 options = sa_get_derived_optionset(group, "smb", hier); 2032 2033 /* 2034 * do the default set first but skip any option that is also 2035 * in the protocol specific optionset. 2036 */ 2037 if (options != NULL) { 2038 for (prop = sa_get_property(options, NULL); 2039 prop != NULL; prop = sa_get_next_property(prop)) { 2040 /* 2041 * use this one since we skipped any 2042 * of these that were also in 2043 * optdefault 2044 */ 2045 smb_sprint_option(&buff, &buffsize, OPT_CHUNK, 2046 prop, sep); 2047 if (buff == NULL) { 2048 /* 2049 * buff could become NULL if there 2050 * isn't enough memory for 2051 * smb_sprint_option to realloc() 2052 * as necessary. We can't really 2053 * do anything about it at this 2054 * point so we return NULL. The 2055 * caller should handle the 2056 * failure. 2057 */ 2058 if (options != NULL) 2059 sa_free_derived_optionset( 2060 options); 2061 return (buff); 2062 } 2063 sep = 1; 2064 } 2065 } 2066 2067 if (options != NULL) 2068 sa_free_derived_optionset(options); 2069 return (buff); 2070 } 2071 2072 /* 2073 * smb_rename_resource(resource, newname) 2074 * 2075 * Change the current exported name of the resource to newname. 2076 */ 2077 /*ARGSUSED*/ 2078 int 2079 smb_rename_resource(sa_handle_t handle, sa_resource_t resource, char *newname) 2080 { 2081 int ret = SA_OK; 2082 int err; 2083 char *oldname; 2084 2085 if (!smb_isonline()) 2086 return (SA_OK); 2087 2088 oldname = sa_get_resource_attr(resource, "name"); 2089 if (oldname == NULL) 2090 return (SA_NO_SUCH_RESOURCE); 2091 2092 err = smb_share_rename(oldname, newname); 2093 2094 sa_free_attr_string(oldname); 2095 2096 /* improve error values somewhat */ 2097 switch (err) { 2098 case NERR_Success: 2099 break; 2100 case NERR_InternalError: 2101 ret = SA_SYSTEM_ERR; 2102 break; 2103 case NERR_DuplicateShare: 2104 ret = SA_DUPLICATE_NAME; 2105 break; 2106 default: 2107 ret = SA_CONFIG_ERR; 2108 break; 2109 } 2110 2111 return (ret); 2112 } 2113 2114 static int 2115 smb_build_shareinfo(sa_share_t share, sa_resource_t resource, smb_share_t *si) 2116 { 2117 sa_optionset_t opts; 2118 char *path; 2119 char *rname; 2120 char *val = NULL; 2121 char csc_value[SMB_CSC_BUFSZ]; 2122 2123 bzero(si, sizeof (smb_share_t)); 2124 2125 if ((path = sa_get_share_attr(share, "path")) == NULL) 2126 return (SA_NO_SUCH_PATH); 2127 2128 if ((rname = sa_get_resource_attr(resource, "name")) == NULL) { 2129 sa_free_attr_string(path); 2130 return (SA_NO_SUCH_RESOURCE); 2131 } 2132 2133 (void) strlcpy(si->shr_path, path, sizeof (si->shr_path)); 2134 (void) strlcpy(si->shr_name, rname, sizeof (si->shr_name)); 2135 sa_free_attr_string(path); 2136 sa_free_attr_string(rname); 2137 2138 val = sa_get_resource_description(resource); 2139 if (val == NULL) 2140 val = sa_get_share_description(share); 2141 2142 if (val != NULL) { 2143 (void) strlcpy(si->shr_cmnt, val, sizeof (si->shr_cmnt)); 2144 sa_free_share_description(val); 2145 } 2146 2147 si->shr_flags = (sa_is_persistent(share)) 2148 ? SMB_SHRF_PERM : SMB_SHRF_TRANS; 2149 2150 opts = sa_get_derived_optionset(resource, SMB_PROTOCOL_NAME, 1); 2151 if (opts == NULL) 2152 return (SA_OK); 2153 2154 if (smb_saprop_getbool(opts, SHOPT_CATIA, B_FALSE)) 2155 si->shr_flags |= SMB_SHRF_CATIA; 2156 2157 if (smb_saprop_getbool(opts, SHOPT_ABE, B_FALSE)) 2158 si->shr_flags |= SMB_SHRF_ABE; 2159 2160 if (smb_saprop_getbool(opts, SHOPT_GUEST, B_FALSE)) 2161 si->shr_flags |= SMB_SHRF_GUEST_OK; 2162 2163 if (smb_saprop_getbool(opts, SHOPT_DFSROOT, B_FALSE)) 2164 si->shr_flags |= SMB_SHRF_DFSROOT; 2165 2166 if (smb_saprop_getbool(opts, SHOPT_FSO, B_FALSE)) 2167 si->shr_flags |= SMB_SHRF_FSO; 2168 2169 /* Quotas are enabled by default. */ 2170 si->shr_flags |= SMB_SHRF_QUOTAS; 2171 if (!smb_saprop_getbool(opts, SHOPT_QUOTAS, B_TRUE)) 2172 si->shr_flags &= ~SMB_SHRF_QUOTAS; 2173 2174 (void) smb_saprop_getstr(opts, SHOPT_AD_CONTAINER, si->shr_container, 2175 sizeof (si->shr_container)); 2176 2177 if (smb_saprop_getstr(opts, SHOPT_CSC, csc_value, sizeof (csc_value))) 2178 smb_csc_option(csc_value, si); 2179 2180 if (smb_saprop_getstr(opts, SHOPT_RO, si->shr_access_ro, 2181 sizeof (si->shr_access_ro))) 2182 si->shr_flags |= SMB_SHRF_ACC_RO; 2183 2184 if (smb_saprop_getstr(opts, SHOPT_RW, si->shr_access_rw, 2185 sizeof (si->shr_access_rw))) 2186 si->shr_flags |= SMB_SHRF_ACC_RW; 2187 2188 if (smb_saprop_getstr(opts, SHOPT_NONE, si->shr_access_none, 2189 sizeof (si->shr_access_none))) 2190 si->shr_flags |= SMB_SHRF_ACC_NONE; 2191 2192 sa_free_derived_optionset(opts); 2193 return (SA_OK); 2194 } 2195 2196 /* 2197 * Map a client-side caching (CSC) option to the appropriate share 2198 * flag. Only one option is allowed; an error will be logged if 2199 * multiple options have been specified. We don't need to do anything 2200 * about multiple values here because the SRVSVC will not recognize 2201 * a value containing multiple flags and will return the default value. 2202 * 2203 * If the option value is not recognized, it will be ignored: invalid 2204 * values will typically be caught and rejected by sharemgr. 2205 */ 2206 static void 2207 smb_csc_option(const char *value, smb_share_t *si) 2208 { 2209 char buf[SMB_CSC_BUFSZ]; 2210 int i; 2211 2212 for (i = 0; i < (sizeof (cscopt) / sizeof (cscopt[0])); ++i) { 2213 if (strcasecmp(value, cscopt[i].value) == 0) { 2214 si->shr_flags |= cscopt[i].flag; 2215 break; 2216 } 2217 } 2218 2219 switch (si->shr_flags & SMB_SHRF_CSC_MASK) { 2220 case 0: 2221 case SMB_SHRF_CSC_DISABLED: 2222 case SMB_SHRF_CSC_MANUAL: 2223 case SMB_SHRF_CSC_AUTO: 2224 case SMB_SHRF_CSC_VDO: 2225 break; 2226 2227 default: 2228 buf[0] = '\0'; 2229 2230 for (i = 0; i < (sizeof (cscopt) / sizeof (cscopt[0])); ++i) { 2231 if (si->shr_flags & cscopt[i].flag) { 2232 (void) strlcat(buf, " ", SMB_CSC_BUFSZ); 2233 (void) strlcat(buf, cscopt[i].value, 2234 SMB_CSC_BUFSZ); 2235 } 2236 } 2237 2238 syslog(LOG_ERR, "csc option conflict:%s", buf); 2239 break; 2240 } 2241 } 2242 2243 /* 2244 * Return the option name for the first CSC flag (there should be only 2245 * one) encountered in the share flags. 2246 */ 2247 static char * 2248 smb_csc_name(const smb_share_t *si) 2249 { 2250 int i; 2251 2252 for (i = 0; i < (sizeof (cscopt) / sizeof (cscopt[0])); ++i) { 2253 if (si->shr_flags & cscopt[i].flag) 2254 return (cscopt[i].value); 2255 } 2256 2257 return (NULL); 2258 } 2259 2260 /* 2261 * smb_get_defaultgrp 2262 * 2263 * If default group for CIFS shares (i.e. "smb") exists 2264 * then it will return the group handle, otherwise it will 2265 * create the group and return the handle. 2266 * 2267 * All the shares created by CIFS clients (this is only possible 2268 * via RPC) will be added to "smb" groups. 2269 */ 2270 static sa_group_t 2271 smb_get_defaultgrp(sa_handle_t handle) 2272 { 2273 sa_group_t group = NULL; 2274 int err; 2275 2276 group = sa_get_group(handle, SMB_DEFAULT_SHARE_GROUP); 2277 if (group != NULL) 2278 return (group); 2279 2280 group = sa_create_group(handle, SMB_DEFAULT_SHARE_GROUP, &err); 2281 if (group == NULL) 2282 return (NULL); 2283 2284 if (sa_create_optionset(group, SMB_DEFAULT_SHARE_GROUP) == NULL) { 2285 (void) sa_remove_group(group); 2286 group = NULL; 2287 } 2288 2289 return (group); 2290 } 2291 2292 /* 2293 * Checks to see if the command args are the supported substitution specifier. 2294 * i.e. <cmd> %U %S 2295 */ 2296 static int 2297 cmd_validator(int index, char *value) 2298 { 2299 char cmd[MAXPATHLEN]; 2300 char *ptr, *v; 2301 boolean_t skip_cmdname; 2302 2303 if (string_length_check_validator(index, value) != SA_OK) 2304 return (SA_BAD_VALUE); 2305 2306 if (*value == '\0') 2307 return (SA_OK); 2308 2309 (void) strlcpy(cmd, value, sizeof (cmd)); 2310 2311 ptr = cmd; 2312 skip_cmdname = B_TRUE; 2313 do { 2314 if ((v = strsep(&ptr, " ")) == NULL) 2315 break; 2316 2317 if (*v != '\0') { 2318 2319 if (skip_cmdname) { 2320 skip_cmdname = B_FALSE; 2321 continue; 2322 } 2323 2324 if ((strlen(v) != 2) || *v != '%') 2325 return (SA_BAD_VALUE); 2326 2327 if (strpbrk(v, SMB_VALID_SUB_CHRS) == NULL) 2328 return (SA_BAD_VALUE); 2329 } 2330 2331 } while (v != NULL); 2332 2333 /* 2334 * If skip_cmdname is still true then the string contains 2335 * only spaces. Don't allow such a string. 2336 */ 2337 if (skip_cmdname) 2338 return (SA_BAD_VALUE); 2339 2340 return (SA_OK); 2341 } 2342 2343 /*ARGSUSED*/ 2344 static int 2345 disposition_validator(int index, char *value) 2346 { 2347 if (value == NULL) 2348 return (SA_BAD_VALUE); 2349 2350 if (*value == '\0') 2351 return (SA_OK); 2352 2353 if ((strcasecmp(value, SMB_EXEC_DISP_CONTINUE) == 0) || 2354 (strcasecmp(value, SMB_EXEC_DISP_TERMINATE) == 0)) 2355 return (SA_OK); 2356 2357 return (SA_BAD_VALUE); 2358 } 2359 2360 /*ARGSUSED*/ 2361 static int 2362 max_protocol_validator(int index, char *value) 2363 { 2364 if (value == NULL) 2365 return (SA_BAD_VALUE); 2366 2367 if (*value == '\0') 2368 return (SA_OK); 2369 2370 if (smb_config_check_protocol(value) == 0) 2371 return (SA_OK); 2372 2373 return (SA_BAD_VALUE); 2374 2375 } 2376 2377 /* 2378 * Updates the optionset properties of the share resource. 2379 * The properties are given as a list of name-value pair. 2380 * The name argument should be the optionset property name and the value 2381 * should be a valid value for the specified property. 2382 * 2383 * When calling this function for permanent shares, the caller must also 2384 * call sa_commit_properties() to commit the changes to SMF. 2385 */ 2386 static int 2387 smb_update_optionset_props(sa_handle_t handle, sa_resource_t resource, 2388 nvlist_t *nvl) 2389 { 2390 sa_property_t prop; 2391 sa_optionset_t opts; 2392 int err = SA_OK; 2393 nvpair_t *cur; 2394 char *name, *val; 2395 2396 if ((opts = sa_get_optionset(resource, SMB_PROTOCOL_NAME)) == NULL) { 2397 opts = sa_create_optionset(resource, SMB_PROTOCOL_NAME); 2398 if (opts == NULL) 2399 return (SA_CONFIG_ERR); 2400 } 2401 2402 cur = nvlist_next_nvpair(nvl, NULL); 2403 while (cur != NULL) { 2404 name = nvpair_name(cur); 2405 err = nvpair_value_string(cur, &val); 2406 if ((err != 0) || (name == NULL) || (val == NULL)) { 2407 err = SA_CONFIG_ERR; 2408 break; 2409 } 2410 2411 prop = NULL; 2412 if ((prop = sa_get_property(opts, name)) == NULL) { 2413 prop = sa_create_property(name, val); 2414 if (prop != NULL) { 2415 err = sa_valid_property(handle, opts, 2416 SMB_PROTOCOL_NAME, prop); 2417 if (err != SA_OK) { 2418 (void) sa_remove_property(prop); 2419 break; 2420 } 2421 } 2422 err = sa_add_property(opts, prop); 2423 if (err != SA_OK) 2424 break; 2425 } else { 2426 err = sa_update_property(prop, val); 2427 if (err != SA_OK) 2428 break; 2429 } 2430 2431 cur = nvlist_next_nvpair(nvl, cur); 2432 } 2433 2434 return (err); 2435 } 2436 2437 static boolean_t 2438 smb_saprop_getbool(sa_optionset_t opts, char *propname, boolean_t def) 2439 { 2440 sa_property_t prop; 2441 char *val; 2442 boolean_t ret = def; 2443 2444 prop = sa_get_property(opts, propname); 2445 if ((val = sa_get_property_attr(prop, "value")) != NULL) { 2446 if (def) { 2447 /* Default is true, ret false if... */ 2448 if ((strcasecmp(val, "false") == 0) || 2449 (strcmp(val, "0") == 0)) 2450 ret = B_FALSE; 2451 } else { 2452 /* Default is false, ret true if... */ 2453 if ((strcasecmp(val, "true") == 0) || 2454 (strcmp(val, "1") == 0)) 2455 ret = B_TRUE; 2456 } 2457 free(val); 2458 } 2459 2460 return (ret); 2461 } 2462 2463 static boolean_t 2464 smb_saprop_getstr(sa_optionset_t opts, char *propname, char *buf, size_t bufsz) 2465 { 2466 sa_property_t prop; 2467 char *val; 2468 2469 prop = sa_get_property(opts, propname); 2470 if ((val = sa_get_property_attr(prop, "value")) != NULL) { 2471 (void) strlcpy(buf, val, bufsz); 2472 free(val); 2473 return (B_TRUE); 2474 } 2475 2476 return (B_FALSE); 2477 } 2478