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