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