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_BYPASS_TRAVERSE_CHECKING, 0, 0, true_false_validator, 928 SMB_REFRESH_REFRESH }, 929 { SMB_CI_OPLOCK_ENABLE, 0, 0, true_false_validator, 930 SMB_REFRESH_REFRESH }, 931 }; 932 933 #define SMB_OPT_NUM \ 934 (sizeof (smb_proto_options) / sizeof (smb_proto_options[0])) 935 936 static int 937 require_validator(int index, char *value) 938 { 939 if (string_length_check_validator(index, value) != SA_OK) 940 return (SA_BAD_VALUE); 941 942 if (strcmp(value, "required") == 0) 943 return (SA_OK); 944 945 if (strcmp(value, "disabled") == 0) 946 return (SA_OK); 947 948 if (strcmp(value, "enabled") == 0) 949 return (SA_OK); 950 951 return (SA_BAD_VALUE); 952 } 953 954 /* 955 * Check the range of value as int range. 956 */ 957 static int 958 range_check_validator(int index, char *value) 959 { 960 int ret = SA_OK; 961 962 if (!is_a_number(value)) { 963 ret = SA_BAD_VALUE; 964 } else { 965 int val; 966 val = strtoul(value, NULL, 0); 967 if (val < smb_proto_options[index].minval || 968 val > smb_proto_options[index].maxval) 969 ret = SA_BAD_VALUE; 970 } 971 return (ret); 972 } 973 974 /* 975 * Check the range of value as int range. 976 */ 977 static int 978 range_check_validator_zero_ok(int index, char *value) 979 { 980 int ret = SA_OK; 981 982 if (!is_a_number(value)) { 983 ret = SA_BAD_VALUE; 984 } else { 985 int val; 986 val = strtoul(value, NULL, 0); 987 if (val == 0) 988 ret = SA_OK; 989 else { 990 if (val < smb_proto_options[index].minval || 991 val > smb_proto_options[index].maxval) 992 ret = SA_BAD_VALUE; 993 } 994 } 995 return (ret); 996 } 997 998 /* 999 * Check the length of the string 1000 */ 1001 static int 1002 string_length_check_validator(int index, char *value) 1003 { 1004 int ret = SA_OK; 1005 1006 if (value == NULL) 1007 return (SA_BAD_VALUE); 1008 if (strlen(value) > smb_proto_options[index].maxval) 1009 ret = SA_BAD_VALUE; 1010 return (ret); 1011 } 1012 1013 /* 1014 * Check yes/no 1015 */ 1016 /*ARGSUSED*/ 1017 static int 1018 true_false_validator(int index, char *value) 1019 { 1020 if (value == NULL) 1021 return (SA_BAD_VALUE); 1022 if ((strcasecmp(value, "true") == 0) || 1023 (strcasecmp(value, "false") == 0)) 1024 return (SA_OK); 1025 return (SA_BAD_VALUE); 1026 } 1027 1028 /* 1029 * If printing support is compiled in, this is the same as: 1030 * true_false_validator. Otherwise, only allow false. 1031 */ 1032 /*ARGSUSED*/ 1033 static int 1034 print_enable_validator(int index, char *value) 1035 { 1036 if (value == NULL) 1037 return (SA_BAD_VALUE); 1038 1039 #ifdef HAVE_CUPS 1040 if (strcasecmp(value, "true") == 0) 1041 return (SA_OK); 1042 #endif 1043 if (strcasecmp(value, "false") == 0) 1044 return (SA_OK); 1045 1046 return (SA_BAD_VALUE); 1047 } 1048 1049 /* 1050 * Check IP v4 address. 1051 */ 1052 /*ARGSUSED*/ 1053 static int 1054 ipv4_validator(int index, char *value) 1055 { 1056 char sbytes[16]; 1057 1058 if (value == NULL) 1059 return (SA_OK); 1060 1061 if (strlen(value) == 0) 1062 return (SA_OK); 1063 1064 if (inet_pton(AF_INET, value, (void *)sbytes) != 1) 1065 return (SA_BAD_VALUE); 1066 1067 return (SA_OK); 1068 } 1069 1070 /* 1071 * Check that the specified name is an IP address (v4 or v6) or a hostname. 1072 * Per RFC 1035 and 1123, names may contain alphanumeric characters, hyphens 1073 * and dots. The first and last character of a label must be alphanumeric. 1074 * Interior characters may be alphanumeric or hypens. 1075 * 1076 * Domain names should not contain underscores but we allow them because 1077 * Windows names are often in non-compliance with this rule. 1078 */ 1079 /*ARGSUSED*/ 1080 static int 1081 hostname_validator(int index, char *value) 1082 { 1083 char sbytes[INET6_ADDRSTRLEN]; 1084 boolean_t new_label = B_TRUE; 1085 char *p; 1086 char label_terminator; 1087 int len; 1088 1089 if (value == NULL) 1090 return (SA_OK); 1091 1092 if ((len = strlen(value)) == 0) 1093 return (SA_OK); 1094 1095 if (inet_pton(AF_INET, value, (void *)sbytes) == 1) 1096 return (SA_OK); 1097 1098 if (inet_pton(AF_INET6, value, (void *)sbytes) == 1) 1099 return (SA_OK); 1100 1101 if (len >= MAXHOSTNAMELEN) 1102 return (SA_BAD_VALUE); 1103 1104 if (strspn(value, "0123456789.") == len) 1105 return (SA_BAD_VALUE); 1106 1107 label_terminator = *value; 1108 1109 for (p = value; *p != '\0'; ++p) { 1110 if (new_label) { 1111 if (!isalnum(*p)) 1112 return (SA_BAD_VALUE); 1113 new_label = B_FALSE; 1114 label_terminator = *p; 1115 continue; 1116 } 1117 1118 if (*p == '.') { 1119 if (!isalnum(label_terminator)) 1120 return (SA_BAD_VALUE); 1121 new_label = B_TRUE; 1122 label_terminator = *p; 1123 continue; 1124 } 1125 1126 label_terminator = *p; 1127 1128 if (isalnum(*p) || *p == '-' || *p == '_') 1129 continue; 1130 1131 return (SA_BAD_VALUE); 1132 } 1133 1134 if (!isalnum(label_terminator)) 1135 return (SA_BAD_VALUE); 1136 1137 return (SA_OK); 1138 } 1139 1140 /* 1141 * Call back function for dlpi_walk. 1142 * Returns TRUE if interface name exists on the host. 1143 */ 1144 static boolean_t 1145 smb_get_interface(const char *ifname, void *arg) 1146 { 1147 smb_hostifs_walker_t *iterp = arg; 1148 1149 iterp->hiw_matchfound = (strcmp(ifname, iterp->hiw_ifname) == 0); 1150 1151 return (iterp->hiw_matchfound); 1152 } 1153 1154 /* 1155 * Checks to see if the input interface exists on the host. 1156 * Returns B_TRUE if the match is found, B_FALSE otherwise. 1157 */ 1158 static boolean_t 1159 smb_validate_interface(const char *ifname) 1160 { 1161 smb_hostifs_walker_t iter; 1162 1163 if ((ifname == NULL) || (*ifname == '\0')) 1164 return (B_FALSE); 1165 1166 iter.hiw_ifname = ifname; 1167 iter.hiw_matchfound = B_FALSE; 1168 dlpi_walk(smb_get_interface, &iter, 0); 1169 1170 return (iter.hiw_matchfound); 1171 } 1172 1173 /* 1174 * Check valid interfaces. Interface names value can be NULL or empty. 1175 * Returns SA_BAD_VALUE if interface cannot be found on the host. 1176 */ 1177 /*ARGSUSED*/ 1178 static int 1179 interface_validator(int index, char *value) 1180 { 1181 char buf[16]; 1182 int ret = SA_OK; 1183 char *ifname, *tmp, *p; 1184 1185 if (value == NULL || *value == '\0') 1186 return (ret); 1187 1188 if (strlen(value) > MAX_VALUE_BUFLEN) 1189 return (SA_BAD_VALUE); 1190 1191 if ((p = strdup(value)) == NULL) 1192 return (SA_NO_MEMORY); 1193 1194 tmp = p; 1195 while ((ifname = strsep(&tmp, ",")) != NULL) { 1196 if (*ifname == '\0') { 1197 ret = SA_BAD_VALUE; 1198 break; 1199 } 1200 1201 if (!smb_validate_interface(ifname)) { 1202 if (inet_pton(AF_INET, ifname, (void *)buf) == 0) { 1203 ret = SA_BAD_VALUE; 1204 break; 1205 } 1206 } 1207 } 1208 1209 free(p); 1210 return (ret); 1211 } 1212 1213 /* 1214 * Check path 1215 */ 1216 /*ARGSUSED*/ 1217 static int 1218 path_validator(int index, char *path) 1219 { 1220 struct stat buffer; 1221 int fd, status; 1222 1223 if (path == NULL) 1224 return (SA_BAD_VALUE); 1225 1226 fd = open(path, O_RDONLY); 1227 if (fd < 0) 1228 return (SA_BAD_VALUE); 1229 1230 status = fstat(fd, &buffer); 1231 (void) close(fd); 1232 1233 if (status < 0) 1234 return (SA_BAD_VALUE); 1235 1236 if (buffer.st_mode & S_IFDIR) 1237 return (SA_OK); 1238 return (SA_BAD_VALUE); 1239 } 1240 1241 /* 1242 * the protoset holds the defined options so we don't have to read 1243 * them multiple times 1244 */ 1245 static sa_protocol_properties_t protoset; 1246 1247 static int 1248 findprotoopt(char *name) 1249 { 1250 int i; 1251 char *sc_name; 1252 1253 for (i = 0; i < SMB_OPT_NUM; i++) { 1254 sc_name = smb_config_getname(smb_proto_options[i].smb_index); 1255 if (strcasecmp(sc_name, name) == 0) 1256 return (i); 1257 } 1258 1259 return (-1); 1260 } 1261 1262 /* 1263 * smb_load_proto_properties() 1264 * 1265 * read the smb config values from SMF. 1266 */ 1267 1268 static int 1269 smb_load_proto_properties() 1270 { 1271 sa_property_t prop; 1272 char value[MAX_VALUE_BUFLEN]; 1273 char *name; 1274 int index; 1275 int ret = SA_OK; 1276 int rc; 1277 1278 protoset = sa_create_protocol_properties(SMB_PROTOCOL_NAME); 1279 if (protoset == NULL) 1280 return (SA_NO_MEMORY); 1281 1282 for (index = 0; index < SMB_OPT_NUM && ret == SA_OK; index++) { 1283 rc = smb_config_get(smb_proto_options[index].smb_index, 1284 value, sizeof (value)); 1285 if (rc != SMBD_SMF_OK) 1286 continue; 1287 name = smb_config_getname(smb_proto_options[index].smb_index); 1288 prop = sa_create_property(name, value); 1289 if (prop != NULL) 1290 ret = sa_add_protocol_property(protoset, prop); 1291 else 1292 ret = SA_NO_MEMORY; 1293 } 1294 return (ret); 1295 } 1296 1297 /* 1298 * smb_share_init() 1299 * 1300 * Initialize the smb plugin. 1301 */ 1302 1303 static int 1304 smb_share_init(void) 1305 { 1306 if (sa_plugin_ops.sa_init != smb_share_init) 1307 return (SA_SYSTEM_ERR); 1308 1309 smb_share_door_clnt_init(); 1310 return (smb_load_proto_properties()); 1311 } 1312 1313 /* 1314 * smb_share_fini() 1315 * 1316 */ 1317 static void 1318 smb_share_fini(void) 1319 { 1320 xmlFreeNode(protoset); 1321 protoset = NULL; 1322 1323 smb_share_door_clnt_fini(); 1324 } 1325 1326 /* 1327 * smb_get_proto_set() 1328 * 1329 * Return an optionset with all the protocol specific properties in 1330 * it. 1331 */ 1332 static sa_protocol_properties_t 1333 smb_get_proto_set(void) 1334 { 1335 return (protoset); 1336 } 1337 1338 /* 1339 * smb_enable_dependencies() 1340 * 1341 * SMBD_DEFAULT_INSTANCE_FMRI may have some dependencies that aren't 1342 * enabled. This will attempt to enable all of them. 1343 */ 1344 static void 1345 smb_enable_dependencies(const char *fmri) 1346 { 1347 scf_handle_t *handle; 1348 scf_service_t *service; 1349 scf_instance_t *inst = NULL; 1350 scf_iter_t *iter; 1351 scf_property_t *prop; 1352 scf_value_t *value; 1353 scf_propertygroup_t *pg; 1354 scf_scope_t *scope; 1355 char type[SCFTYPE_LEN]; 1356 char *dependency; 1357 char *servname; 1358 int maxlen; 1359 1360 /* 1361 * Get all required handles and storage. 1362 */ 1363 handle = scf_handle_create(SCF_VERSION); 1364 if (handle == NULL) 1365 return; 1366 1367 if (scf_handle_bind(handle) != 0) { 1368 scf_handle_destroy(handle); 1369 return; 1370 } 1371 1372 maxlen = scf_limit(SCF_LIMIT_MAX_VALUE_LENGTH); 1373 if (maxlen == (ssize_t)-1) 1374 maxlen = MAXPATHLEN; 1375 1376 dependency = malloc(maxlen); 1377 1378 service = scf_service_create(handle); 1379 1380 iter = scf_iter_create(handle); 1381 1382 pg = scf_pg_create(handle); 1383 1384 prop = scf_property_create(handle); 1385 1386 value = scf_value_create(handle); 1387 1388 scope = scf_scope_create(handle); 1389 1390 if (service == NULL || iter == NULL || pg == NULL || prop == NULL || 1391 value == NULL || scope == NULL || dependency == NULL) 1392 goto done; 1393 1394 /* 1395 * We passed in the FMRI for the default instance but for 1396 * some things we need the simple form so construct it. Since 1397 * we reuse the storage that dependency points to, we need to 1398 * use the servname early. 1399 */ 1400 (void) snprintf(dependency, maxlen, "%s", fmri + sizeof ("svc:")); 1401 servname = strrchr(dependency, ':'); 1402 if (servname == NULL) 1403 goto done; 1404 *servname = '\0'; 1405 servname = dependency; 1406 1407 /* 1408 * Setup to iterate over the service property groups, only 1409 * looking at those that are "dependency" types. The "entity" 1410 * property will have the FMRI of the service we are dependent 1411 * on. 1412 */ 1413 if (scf_handle_get_scope(handle, SCF_SCOPE_LOCAL, scope) != 0) 1414 goto done; 1415 1416 if (scf_scope_get_service(scope, servname, service) != 0) 1417 goto done; 1418 1419 if (scf_iter_service_pgs(iter, service) != 0) 1420 goto done; 1421 1422 while (scf_iter_next_pg(iter, pg) > 0) { 1423 char *services[2]; 1424 /* 1425 * Have a property group for the service. See if it is 1426 * a dependency pg and only do operations on those. 1427 */ 1428 if (scf_pg_get_type(pg, type, SCFTYPE_LEN) <= 0) 1429 continue; 1430 1431 if (strncmp(type, SCF_GROUP_DEPENDENCY, SCFTYPE_LEN) != 0) 1432 continue; 1433 /* 1434 * Have a dependency. Attempt to enable it. 1435 */ 1436 if (scf_pg_get_property(pg, SCF_PROPERTY_ENTITIES, prop) != 0) 1437 continue; 1438 1439 if (scf_property_get_value(prop, value) != 0) 1440 continue; 1441 1442 services[1] = NULL; 1443 1444 if (scf_value_get_as_string(value, dependency, maxlen) > 0) { 1445 services[0] = dependency; 1446 _check_services(services); 1447 } 1448 } 1449 1450 done: 1451 if (dependency != NULL) 1452 free(dependency); 1453 if (value != NULL) 1454 scf_value_destroy(value); 1455 if (prop != NULL) 1456 scf_property_destroy(prop); 1457 if (pg != NULL) 1458 scf_pg_destroy(pg); 1459 if (iter != NULL) 1460 scf_iter_destroy(iter); 1461 if (scope != NULL) 1462 scf_scope_destroy(scope); 1463 if (inst != NULL) 1464 scf_instance_destroy(inst); 1465 if (service != NULL) 1466 scf_service_destroy(service); 1467 1468 (void) scf_handle_unbind(handle); 1469 scf_handle_destroy(handle); 1470 } 1471 1472 /* 1473 * How long to wait for service to come online 1474 */ 1475 #define WAIT_FOR_SERVICE 15 1476 1477 /* 1478 * smb_enable_service() 1479 * 1480 */ 1481 static int 1482 smb_enable_service(void) 1483 { 1484 int i; 1485 int ret = SA_OK; 1486 char *service[] = { SMBD_DEFAULT_INSTANCE_FMRI, NULL }; 1487 1488 if (!smb_isonline()) { 1489 /* 1490 * Attempt to start the idmap, and other dependent 1491 * services, first. If it fails, the SMB service will 1492 * ultimately fail so we use that as the error. If we 1493 * don't try to enable idmap, smb won't start the 1494 * first time unless the admin has done it 1495 * manually. The service could be administratively 1496 * disabled so we won't always get started. 1497 */ 1498 smb_enable_dependencies(SMBD_DEFAULT_INSTANCE_FMRI); 1499 _check_services(service); 1500 1501 /* Wait for service to come online */ 1502 for (i = 0; i < WAIT_FOR_SERVICE; i++) { 1503 if (smb_isonline()) { 1504 ret = SA_OK; 1505 break; 1506 } else if (smb_ismaint()) { 1507 /* maintenance requires help */ 1508 ret = SA_SYSTEM_ERR; 1509 break; 1510 } else { 1511 /* try another time */ 1512 ret = SA_BUSY; 1513 (void) sleep(1); 1514 } 1515 } 1516 } 1517 return (ret); 1518 } 1519 1520 /* 1521 * smb_validate_proto_prop(index, name, value) 1522 * 1523 * Verify that the property specified by name can take the new 1524 * value. This is a sanity check to prevent bad values getting into 1525 * the default files. 1526 */ 1527 static int 1528 smb_validate_proto_prop(int index, char *name, char *value) 1529 { 1530 if ((name == NULL) || (index < 0)) 1531 return (SA_BAD_VALUE); 1532 1533 if (smb_proto_options[index].validator == NULL) 1534 return (SA_OK); 1535 1536 if (smb_proto_options[index].validator(index, value) == SA_OK) 1537 return (SA_OK); 1538 return (SA_BAD_VALUE); 1539 } 1540 1541 /* 1542 * smb_set_proto_prop(prop) 1543 * 1544 * check that prop is valid. 1545 */ 1546 /*ARGSUSED*/ 1547 static int 1548 smb_set_proto_prop(sa_property_t prop) 1549 { 1550 int ret = SA_OK; 1551 char *name; 1552 char *value; 1553 int index = -1; 1554 struct smb_proto_option_defs *opt; 1555 1556 name = sa_get_property_attr(prop, "type"); 1557 value = sa_get_property_attr(prop, "value"); 1558 if (name != NULL && value != NULL) { 1559 index = findprotoopt(name); 1560 if (index >= 0) { 1561 /* should test for valid value */ 1562 ret = smb_validate_proto_prop(index, name, value); 1563 if (ret == SA_OK) { 1564 opt = &smb_proto_options[index]; 1565 1566 /* Save to SMF */ 1567 if (smb_config_set(opt->smb_index, 1568 value) != 0) { 1569 ret = SA_BAD_VALUE; 1570 goto out; 1571 } 1572 /* 1573 * Specialized refresh mechanisms can 1574 * be flagged in the proto_options and 1575 * processed here. 1576 */ 1577 if (opt->refresh & SMB_REFRESH_REFRESH) 1578 (void) smf_refresh_instance( 1579 SMBD_DEFAULT_INSTANCE_FMRI); 1580 else if (opt->refresh & SMB_REFRESH_RESTART) 1581 (void) smf_restart_instance( 1582 SMBD_DEFAULT_INSTANCE_FMRI); 1583 } 1584 } 1585 } 1586 1587 out: 1588 if (name != NULL) 1589 sa_free_attr_string(name); 1590 if (value != NULL) 1591 sa_free_attr_string(value); 1592 1593 return (ret); 1594 } 1595 1596 /* 1597 * smb_get_status() 1598 * 1599 * What is the current status of the smbd? We use the SMF state here. 1600 * Caller must free the returned value. 1601 */ 1602 1603 static char * 1604 smb_get_status(void) 1605 { 1606 return (smf_get_state(SMBD_DEFAULT_INSTANCE_FMRI)); 1607 } 1608 1609 /* 1610 * This protocol plugin require resource names 1611 */ 1612 static uint64_t 1613 smb_share_features(void) 1614 { 1615 return (SA_FEATURE_RESOURCE | SA_FEATURE_ALLOWSUBDIRS | 1616 SA_FEATURE_ALLOWPARDIRS | SA_FEATURE_SERVER); 1617 } 1618 1619 /* 1620 * This should be used to convert smb_share_t to sa_resource_t 1621 * Should only be needed to build transient shares/resources to be 1622 * supplied to sharemgr to display. 1623 */ 1624 static int 1625 smb_add_transient(sa_handle_t handle, smb_share_t *si) 1626 { 1627 int err; 1628 sa_share_t share; 1629 sa_group_t group; 1630 sa_resource_t resource; 1631 nvlist_t *nvl; 1632 char *opt; 1633 1634 if (si == NULL) 1635 return (SA_INVALID_NAME); 1636 1637 if ((share = sa_find_share(handle, si->shr_path)) == NULL) { 1638 if ((group = smb_get_defaultgrp(handle)) == NULL) 1639 return (SA_NO_SUCH_GROUP); 1640 1641 share = sa_get_share(group, si->shr_path); 1642 if (share == NULL) { 1643 share = sa_add_share(group, si->shr_path, 1644 SA_SHARE_TRANSIENT, &err); 1645 if (share == NULL) 1646 return (SA_NO_SUCH_PATH); 1647 } 1648 } 1649 1650 /* 1651 * Now handle the resource. Make sure that the resource is 1652 * transient and added to the share. 1653 */ 1654 resource = sa_get_share_resource(share, si->shr_name); 1655 if (resource == NULL) { 1656 resource = sa_add_resource(share, 1657 si->shr_name, SA_SHARE_TRANSIENT, &err); 1658 if (resource == NULL) 1659 return (SA_NO_SUCH_RESOURCE); 1660 } 1661 1662 if (si->shr_cmnt[0] != '\0') 1663 (void) sa_set_resource_description(resource, si->shr_cmnt); 1664 1665 if (si->shr_container[0] != '\0') 1666 (void) sa_set_resource_attr(resource, SHOPT_AD_CONTAINER, 1667 si->shr_container); 1668 1669 if (nvlist_alloc(&nvl, NV_UNIQUE_NAME, 0) != 0) 1670 return (SA_NO_MEMORY); 1671 1672 if ((opt = smb_csc_name(si)) != NULL) 1673 err |= nvlist_add_string(nvl, SHOPT_CSC, opt); 1674 1675 opt = (si->shr_flags & SMB_SHRF_ABE) ? "true" : "false"; 1676 err |= nvlist_add_string(nvl, SHOPT_ABE, opt); 1677 1678 if ((si->shr_flags & SMB_SHRF_AUTOHOME) == 0) { 1679 opt = (si->shr_flags & SMB_SHRF_GUEST_OK) ? "true" : "false"; 1680 err |= nvlist_add_string(nvl, SHOPT_GUEST, opt); 1681 } 1682 1683 if (si->shr_access_ro[0] != '\0') 1684 err |= nvlist_add_string(nvl, SHOPT_RO, si->shr_access_ro); 1685 1686 if (si->shr_access_rw[0] != '\0') 1687 err |= nvlist_add_string(nvl, SHOPT_RW, si->shr_access_rw); 1688 1689 if (si->shr_access_none[0] != '\0') 1690 err |= nvlist_add_string(nvl, SHOPT_NONE, si->shr_access_none); 1691 1692 if (err) { 1693 nvlist_free(nvl); 1694 return (SA_CONFIG_ERR); 1695 } 1696 1697 err = smb_update_optionset_props(handle, resource, nvl); 1698 1699 nvlist_free(nvl); 1700 return (err); 1701 } 1702 1703 /* 1704 * Return smb transient shares. 1705 */ 1706 static int 1707 smb_list_transient(sa_handle_t handle) 1708 { 1709 int i, offset; 1710 smb_shrlist_t list; 1711 int res; 1712 1713 if (smb_share_count() <= 0) 1714 return (SA_OK); 1715 1716 offset = 0; 1717 while (smb_share_list(offset, &list) == NERR_Success) { 1718 if (list.sl_cnt == 0) 1719 break; 1720 1721 for (i = 0; i < list.sl_cnt; i++) { 1722 res = smb_add_transient(handle, &(list.sl_shares[i])); 1723 if (res != SA_OK) 1724 return (res); 1725 } 1726 offset += list.sl_cnt; 1727 } 1728 1729 return (SA_OK); 1730 } 1731 1732 /* 1733 * fix_resource_name(share, name, prefix) 1734 * 1735 * Construct a name where the ZFS dataset has the prefix replaced with "name". 1736 */ 1737 static char * 1738 fix_resource_name(sa_share_t share, char *name, char *prefix) 1739 { 1740 char buf[SA_MAX_RESOURCE_NAME + 1]; 1741 char *dataset; 1742 size_t bufsz = SA_MAX_RESOURCE_NAME + 1; 1743 size_t prelen; 1744 1745 if (prefix == NULL) 1746 return (strdup(name)); 1747 1748 dataset = sa_get_share_attr(share, "dataset"); 1749 if (dataset == NULL) 1750 return (strdup(name)); 1751 1752 (void) strlcpy(buf, name, bufsz); 1753 prelen = strlen(prefix); 1754 1755 if (strncmp(dataset, prefix, prelen) == 0) 1756 (void) strlcat(buf, dataset + prelen, bufsz); 1757 1758 sa_free_attr_string(dataset); 1759 sa_fix_resource_name(buf); 1760 return (strdup(buf)); 1761 } 1762 1763 /* 1764 * smb_parse_optstring(group, options) 1765 * 1766 * parse a compact option string into individual options. This allows 1767 * ZFS sharesmb and sharemgr "share" command to work. group can be a 1768 * group, a share or a resource. 1769 */ 1770 static int 1771 smb_parse_optstring(sa_group_t group, char *options) 1772 { 1773 char *dup; 1774 char *base; 1775 char *lasts; 1776 char *token; 1777 sa_optionset_t optionset; 1778 sa_group_t parent = NULL; 1779 sa_resource_t resource = NULL; 1780 int iszfs = 0; 1781 int persist = 0; 1782 int need_optionset = 0; 1783 int ret = SA_OK; 1784 sa_property_t prop; 1785 1786 /* 1787 * In order to not attempt to change ZFS properties unless 1788 * absolutely necessary, we never do it in the legacy parsing 1789 * so we need to keep track of this. 1790 */ 1791 if (sa_is_share(group)) { 1792 char *zfs; 1793 1794 parent = sa_get_parent_group(group); 1795 if (parent != NULL) { 1796 zfs = sa_get_group_attr(parent, "zfs"); 1797 if (zfs != NULL) { 1798 sa_free_attr_string(zfs); 1799 iszfs = 1; 1800 } 1801 } 1802 } else { 1803 iszfs = sa_group_is_zfs(group); 1804 /* 1805 * If a ZFS group, then we need to see if a resource 1806 * name is being set. If so, bail with 1807 * SA_PROP_SHARE_ONLY, so we come back in with a share 1808 * instead of a group. 1809 */ 1810 if (iszfs || 1811 strncmp(options, "name=", sizeof ("name=") - 1) == 0 || 1812 strstr(options, ",name=") != NULL) { 1813 return (SA_PROP_SHARE_ONLY); 1814 } 1815 } 1816 1817 /* do we have an existing optionset? */ 1818 optionset = sa_get_optionset(group, "smb"); 1819 if (optionset == NULL) { 1820 /* didn't find existing optionset so create one */ 1821 optionset = sa_create_optionset(group, "smb"); 1822 if (optionset == NULL) 1823 return (SA_NO_MEMORY); 1824 } else { 1825 /* 1826 * If an optionset already exists, we've come through 1827 * twice so ignore the second time. 1828 */ 1829 return (ret); 1830 } 1831 1832 /* We need a copy of options for the next part. */ 1833 dup = strdup(options); 1834 if (dup == NULL) 1835 return (SA_NO_MEMORY); 1836 1837 /* 1838 * SMB properties are straightforward and are strings, 1839 * integers or booleans. Properties are separated by 1840 * commas. It will be necessary to parse quotes due to some 1841 * strings not having a restricted characters set. 1842 * 1843 * Note that names will create a resource. For now, if there 1844 * is a set of properties "before" the first name="", those 1845 * properties will be placed on the group. 1846 */ 1847 persist = sa_is_persistent(group); 1848 base = dup; 1849 token = dup; 1850 lasts = NULL; 1851 while (token != NULL && ret == SA_OK) { 1852 ret = SA_OK; 1853 token = strtok_r(base, ",", &lasts); 1854 base = NULL; 1855 if (token != NULL) { 1856 char *value; 1857 /* 1858 * All SMB properties have values so there 1859 * MUST be an '=' character. If it doesn't, 1860 * it is a syntax error. 1861 */ 1862 value = strchr(token, '='); 1863 if (value != NULL) { 1864 *value++ = '\0'; 1865 } else { 1866 ret = SA_SYNTAX_ERR; 1867 break; 1868 } 1869 /* 1870 * We may need to handle a "name" property 1871 * that is a ZFS imposed resource name. Each 1872 * name would trigger getting a new "resource" 1873 * to put properties on. For now, assume no 1874 * "name" property for special handling. 1875 */ 1876 1877 if (strcmp(token, SHOPT_NAME) == 0) { 1878 char *prefix; 1879 char *name = NULL; 1880 /* 1881 * We have a name, so now work on the 1882 * resource level. We have a "share" 1883 * in "group" due to the caller having 1884 * added it. If we are called with a 1885 * group, the check for group/share 1886 * at the beginning of this function 1887 * will bail out the parse if there is a 1888 * "name" but no share. 1889 */ 1890 if (!iszfs) { 1891 ret = SA_SYNTAX_ERR; 1892 break; 1893 } 1894 /* 1895 * Make sure the parent group has the 1896 * "prefix" property since we will 1897 * need to use this for constructing 1898 * inherited name= values. 1899 */ 1900 prefix = sa_get_group_attr(parent, "prefix"); 1901 if (prefix == NULL) { 1902 prefix = sa_get_group_attr(parent, 1903 "name"); 1904 if (prefix != NULL) { 1905 (void) sa_set_group_attr(parent, 1906 "prefix", prefix); 1907 } 1908 } 1909 name = fix_resource_name((sa_share_t)group, 1910 value, prefix); 1911 if (name != NULL) { 1912 resource = sa_add_resource( 1913 (sa_share_t)group, name, 1914 SA_SHARE_TRANSIENT, &ret); 1915 sa_free_attr_string(name); 1916 } else { 1917 ret = SA_NO_MEMORY; 1918 } 1919 if (prefix != NULL) 1920 sa_free_attr_string(prefix); 1921 1922 /* A resource level optionset is needed */ 1923 1924 need_optionset = 1; 1925 if (resource == NULL) { 1926 ret = SA_NO_MEMORY; 1927 break; 1928 } 1929 continue; 1930 } 1931 1932 if (iszfs && strcmp(token, SHOPT_DESCRIPTION) == 0) { 1933 if (resource == NULL) 1934 (void) sa_set_share_description( 1935 (sa_share_t)group, value); 1936 else 1937 (void) sa_set_resource_description( 1938 resource, value); 1939 continue; 1940 } 1941 1942 if (need_optionset) { 1943 optionset = sa_create_optionset(resource, 1944 "smb"); 1945 need_optionset = 0; 1946 } 1947 1948 prop = sa_create_property(token, value); 1949 if (prop == NULL) 1950 ret = SA_NO_MEMORY; 1951 else 1952 ret = sa_add_property(optionset, prop); 1953 if (ret != SA_OK) 1954 break; 1955 if (!iszfs) 1956 ret = sa_commit_properties(optionset, !persist); 1957 } 1958 } 1959 free(dup); 1960 return (ret); 1961 } 1962 1963 /* 1964 * smb_sprint_option(rbuff, rbuffsize, incr, prop, sep) 1965 * 1966 * provides a mechanism to format SMB properties into legacy output 1967 * format. If the buffer would overflow, it is reallocated and grown 1968 * as appropriate. Special cases of converting internal form of values 1969 * to those used by "share" are done. this function does one property 1970 * at a time. 1971 */ 1972 1973 static void 1974 smb_sprint_option(char **rbuff, size_t *rbuffsize, size_t incr, 1975 sa_property_t prop, int sep) 1976 { 1977 char *name; 1978 char *value; 1979 int curlen; 1980 char *buff = *rbuff; 1981 size_t buffsize = *rbuffsize; 1982 1983 name = sa_get_property_attr(prop, "type"); 1984 value = sa_get_property_attr(prop, "value"); 1985 if (buff != NULL) 1986 curlen = strlen(buff); 1987 else 1988 curlen = 0; 1989 if (name != NULL) { 1990 int len; 1991 len = strlen(name) + sep; 1992 1993 /* 1994 * A future RFE would be to replace this with more 1995 * generic code and to possibly handle more types. 1996 * 1997 * For now, everything else is treated as a string. If 1998 * we get any properties that aren't exactly 1999 * name/value pairs, we may need to 2000 * interpret/transform. 2001 */ 2002 if (value != NULL) 2003 len += 1 + strlen(value); 2004 2005 while (buffsize <= (curlen + len)) { 2006 /* need more room */ 2007 buffsize += incr; 2008 buff = realloc(buff, buffsize); 2009 *rbuff = buff; 2010 *rbuffsize = buffsize; 2011 if (buff == NULL) { 2012 /* realloc failed so free everything */ 2013 if (*rbuff != NULL) 2014 free(*rbuff); 2015 goto err; 2016 } 2017 } 2018 if (buff == NULL) 2019 goto err; 2020 (void) snprintf(buff + curlen, buffsize - curlen, 2021 "%s%s=%s", sep ? "," : "", 2022 name, value != NULL ? value : "\"\""); 2023 2024 } 2025 err: 2026 if (name != NULL) 2027 sa_free_attr_string(name); 2028 if (value != NULL) 2029 sa_free_attr_string(value); 2030 } 2031 2032 /* 2033 * smb_format_resource_options(resource, hier) 2034 * 2035 * format all the options on the group into a flattened option 2036 * string. If hier is non-zero, walk up the tree to get inherited 2037 * options. 2038 */ 2039 2040 static char * 2041 smb_format_options(sa_group_t group, int hier) 2042 { 2043 sa_optionset_t options = NULL; 2044 sa_property_t prop; 2045 int sep = 0; 2046 char *buff; 2047 size_t buffsize; 2048 2049 2050 buff = malloc(OPT_CHUNK); 2051 if (buff == NULL) 2052 return (NULL); 2053 2054 buff[0] = '\0'; 2055 buffsize = OPT_CHUNK; 2056 2057 /* 2058 * We may have a an optionset relative to this item. format 2059 * these if we find them and then add any security definitions. 2060 */ 2061 2062 options = sa_get_derived_optionset(group, "smb", hier); 2063 2064 /* 2065 * do the default set first but skip any option that is also 2066 * in the protocol specific optionset. 2067 */ 2068 if (options != NULL) { 2069 for (prop = sa_get_property(options, NULL); 2070 prop != NULL; prop = sa_get_next_property(prop)) { 2071 /* 2072 * use this one since we skipped any 2073 * of these that were also in 2074 * optdefault 2075 */ 2076 smb_sprint_option(&buff, &buffsize, OPT_CHUNK, 2077 prop, sep); 2078 if (buff == NULL) { 2079 /* 2080 * buff could become NULL if there 2081 * isn't enough memory for 2082 * smb_sprint_option to realloc() 2083 * as necessary. We can't really 2084 * do anything about it at this 2085 * point so we return NULL. The 2086 * caller should handle the 2087 * failure. 2088 */ 2089 if (options != NULL) 2090 sa_free_derived_optionset( 2091 options); 2092 return (buff); 2093 } 2094 sep = 1; 2095 } 2096 } 2097 2098 if (options != NULL) 2099 sa_free_derived_optionset(options); 2100 return (buff); 2101 } 2102 2103 /* 2104 * smb_rename_resource(resource, newname) 2105 * 2106 * Change the current exported name of the resource to newname. 2107 */ 2108 /*ARGSUSED*/ 2109 int 2110 smb_rename_resource(sa_handle_t handle, sa_resource_t resource, char *newname) 2111 { 2112 int ret = SA_OK; 2113 int err; 2114 char *oldname; 2115 2116 if (!smb_isonline()) 2117 return (SA_OK); 2118 2119 oldname = sa_get_resource_attr(resource, "name"); 2120 if (oldname == NULL) 2121 return (SA_NO_SUCH_RESOURCE); 2122 2123 err = smb_share_rename(oldname, newname); 2124 2125 sa_free_attr_string(oldname); 2126 2127 /* improve error values somewhat */ 2128 switch (err) { 2129 case NERR_Success: 2130 break; 2131 case NERR_InternalError: 2132 ret = SA_SYSTEM_ERR; 2133 break; 2134 case NERR_DuplicateShare: 2135 ret = SA_DUPLICATE_NAME; 2136 break; 2137 default: 2138 ret = SA_CONFIG_ERR; 2139 break; 2140 } 2141 2142 return (ret); 2143 } 2144 2145 static int 2146 smb_build_shareinfo(sa_share_t share, sa_resource_t resource, smb_share_t *si) 2147 { 2148 sa_optionset_t opts; 2149 char *path; 2150 char *rname; 2151 char *val = NULL; 2152 char csc_value[SMB_CSC_BUFSZ]; 2153 char strbuf[sizeof ("required")]; 2154 2155 bzero(si, sizeof (smb_share_t)); 2156 2157 if ((path = sa_get_share_attr(share, "path")) == NULL) 2158 return (SA_NO_SUCH_PATH); 2159 2160 if ((rname = sa_get_resource_attr(resource, "name")) == NULL) { 2161 sa_free_attr_string(path); 2162 return (SA_NO_SUCH_RESOURCE); 2163 } 2164 2165 (void) strlcpy(si->shr_path, path, sizeof (si->shr_path)); 2166 (void) strlcpy(si->shr_name, rname, sizeof (si->shr_name)); 2167 sa_free_attr_string(path); 2168 sa_free_attr_string(rname); 2169 2170 val = sa_get_resource_description(resource); 2171 if (val == NULL) 2172 val = sa_get_share_description(share); 2173 2174 if (val != NULL) { 2175 (void) strlcpy(si->shr_cmnt, val, sizeof (si->shr_cmnt)); 2176 sa_free_share_description(val); 2177 } 2178 2179 si->shr_flags = (sa_is_persistent(share)) 2180 ? SMB_SHRF_PERM : SMB_SHRF_TRANS; 2181 2182 opts = sa_get_derived_optionset(resource, SMB_PROTOCOL_NAME, 1); 2183 if (opts == NULL) 2184 return (SA_OK); 2185 2186 if (smb_saprop_getbool(opts, SHOPT_CATIA, B_FALSE)) 2187 si->shr_flags |= SMB_SHRF_CATIA; 2188 2189 if (smb_saprop_getbool(opts, SHOPT_ABE, B_FALSE)) 2190 si->shr_flags |= SMB_SHRF_ABE; 2191 2192 if (smb_saprop_getbool(opts, SHOPT_GUEST, B_FALSE)) 2193 si->shr_flags |= SMB_SHRF_GUEST_OK; 2194 2195 if (smb_saprop_getbool(opts, SHOPT_DFSROOT, B_FALSE)) 2196 si->shr_flags |= SMB_SHRF_DFSROOT; 2197 2198 if (smb_saprop_getbool(opts, SHOPT_FSO, B_FALSE)) 2199 si->shr_flags |= SMB_SHRF_FSO; 2200 2201 /* Quotas are enabled by default. */ 2202 if (smb_saprop_getbool(opts, SHOPT_QUOTAS, B_TRUE)) 2203 si->shr_flags |= SMB_SHRF_QUOTAS; 2204 2205 if (smb_saprop_getstr(opts, SHOPT_ENCRYPT, strbuf, sizeof (strbuf))) 2206 smb_cfg_set_require(strbuf, &si->shr_encrypt); 2207 2208 (void) smb_saprop_getstr(opts, SHOPT_AD_CONTAINER, si->shr_container, 2209 sizeof (si->shr_container)); 2210 2211 if (smb_saprop_getstr(opts, SHOPT_CSC, csc_value, sizeof (csc_value))) 2212 smb_csc_option(csc_value, si); 2213 2214 if (smb_saprop_getstr(opts, SHOPT_RO, si->shr_access_ro, 2215 sizeof (si->shr_access_ro))) 2216 si->shr_flags |= SMB_SHRF_ACC_RO; 2217 2218 if (smb_saprop_getstr(opts, SHOPT_RW, si->shr_access_rw, 2219 sizeof (si->shr_access_rw))) 2220 si->shr_flags |= SMB_SHRF_ACC_RW; 2221 2222 if (smb_saprop_getstr(opts, SHOPT_NONE, si->shr_access_none, 2223 sizeof (si->shr_access_none))) 2224 si->shr_flags |= SMB_SHRF_ACC_NONE; 2225 2226 sa_free_derived_optionset(opts); 2227 return (SA_OK); 2228 } 2229 2230 /* 2231 * Map a client-side caching (CSC) option to the appropriate share 2232 * flag. Only one option is allowed; an error will be logged if 2233 * multiple options have been specified. We don't need to do anything 2234 * about multiple values here because the SRVSVC will not recognize 2235 * a value containing multiple flags and will return the default value. 2236 * 2237 * If the option value is not recognized, it will be ignored: invalid 2238 * values will typically be caught and rejected by sharemgr. 2239 */ 2240 static void 2241 smb_csc_option(const char *value, smb_share_t *si) 2242 { 2243 char buf[SMB_CSC_BUFSZ]; 2244 int i; 2245 2246 for (i = 0; i < (sizeof (cscopt) / sizeof (cscopt[0])); ++i) { 2247 if (strcasecmp(value, cscopt[i].value) == 0) { 2248 si->shr_flags |= cscopt[i].flag; 2249 break; 2250 } 2251 } 2252 2253 switch (si->shr_flags & SMB_SHRF_CSC_MASK) { 2254 case 0: 2255 case SMB_SHRF_CSC_DISABLED: 2256 case SMB_SHRF_CSC_MANUAL: 2257 case SMB_SHRF_CSC_AUTO: 2258 case SMB_SHRF_CSC_VDO: 2259 break; 2260 2261 default: 2262 buf[0] = '\0'; 2263 2264 for (i = 0; i < (sizeof (cscopt) / sizeof (cscopt[0])); ++i) { 2265 if (si->shr_flags & cscopt[i].flag) { 2266 (void) strlcat(buf, " ", SMB_CSC_BUFSZ); 2267 (void) strlcat(buf, cscopt[i].value, 2268 SMB_CSC_BUFSZ); 2269 } 2270 } 2271 2272 syslog(LOG_ERR, "csc option conflict:%s", buf); 2273 break; 2274 } 2275 } 2276 2277 /* 2278 * Return the option name for the first CSC flag (there should be only 2279 * one) encountered in the share flags. 2280 */ 2281 static char * 2282 smb_csc_name(const smb_share_t *si) 2283 { 2284 int i; 2285 2286 for (i = 0; i < (sizeof (cscopt) / sizeof (cscopt[0])); ++i) { 2287 if (si->shr_flags & cscopt[i].flag) 2288 return (cscopt[i].value); 2289 } 2290 2291 return (NULL); 2292 } 2293 2294 /* 2295 * smb_get_defaultgrp 2296 * 2297 * If default group for CIFS shares (i.e. "smb") exists 2298 * then it will return the group handle, otherwise it will 2299 * create the group and return the handle. 2300 * 2301 * All the shares created by CIFS clients (this is only possible 2302 * via RPC) will be added to "smb" groups. 2303 */ 2304 static sa_group_t 2305 smb_get_defaultgrp(sa_handle_t handle) 2306 { 2307 sa_group_t group = NULL; 2308 int err; 2309 2310 group = sa_get_group(handle, SMB_DEFAULT_SHARE_GROUP); 2311 if (group != NULL) 2312 return (group); 2313 2314 group = sa_create_group(handle, SMB_DEFAULT_SHARE_GROUP, &err); 2315 if (group == NULL) 2316 return (NULL); 2317 2318 if (sa_create_optionset(group, SMB_DEFAULT_SHARE_GROUP) == NULL) { 2319 (void) sa_remove_group(group); 2320 group = NULL; 2321 } 2322 2323 return (group); 2324 } 2325 2326 /* 2327 * Checks to see if the command args are the supported substitution specifier. 2328 * i.e. <cmd> %U %S 2329 */ 2330 static int 2331 cmd_validator(int index, char *value) 2332 { 2333 char cmd[MAXPATHLEN]; 2334 char *ptr, *v; 2335 boolean_t skip_cmdname; 2336 2337 if (string_length_check_validator(index, value) != SA_OK) 2338 return (SA_BAD_VALUE); 2339 2340 if (*value == '\0') 2341 return (SA_OK); 2342 2343 (void) strlcpy(cmd, value, sizeof (cmd)); 2344 2345 ptr = cmd; 2346 skip_cmdname = B_TRUE; 2347 do { 2348 if ((v = strsep(&ptr, " ")) == NULL) 2349 break; 2350 2351 if (*v != '\0') { 2352 2353 if (skip_cmdname) { 2354 skip_cmdname = B_FALSE; 2355 continue; 2356 } 2357 2358 if ((strlen(v) != 2) || *v != '%') 2359 return (SA_BAD_VALUE); 2360 2361 if (strpbrk(v, SMB_VALID_SUB_CHRS) == NULL) 2362 return (SA_BAD_VALUE); 2363 } 2364 2365 } while (v != NULL); 2366 2367 /* 2368 * If skip_cmdname is still true then the string contains 2369 * only spaces. Don't allow such a string. 2370 */ 2371 if (skip_cmdname) 2372 return (SA_BAD_VALUE); 2373 2374 return (SA_OK); 2375 } 2376 2377 /*ARGSUSED*/ 2378 static int 2379 disposition_validator(int index, char *value) 2380 { 2381 if (value == NULL) 2382 return (SA_BAD_VALUE); 2383 2384 if (*value == '\0') 2385 return (SA_OK); 2386 2387 if ((strcasecmp(value, SMB_EXEC_DISP_CONTINUE) == 0) || 2388 (strcasecmp(value, SMB_EXEC_DISP_TERMINATE) == 0)) 2389 return (SA_OK); 2390 2391 return (SA_BAD_VALUE); 2392 } 2393 2394 /*ARGSUSED*/ 2395 static int 2396 protocol_validator(int index, char *value) 2397 { 2398 if (value == NULL) 2399 return (SA_BAD_VALUE); 2400 2401 if (*value == '\0') 2402 return (SA_OK); 2403 2404 if (smb_config_check_protocol(value) == 0) 2405 return (SA_OK); 2406 2407 return (SA_BAD_VALUE); 2408 2409 } 2410 2411 /* 2412 * Updates the optionset properties of the share resource. 2413 * The properties are given as a list of name-value pair. 2414 * The name argument should be the optionset property name and the value 2415 * should be a valid value for the specified property. 2416 * 2417 * When calling this function for permanent shares, the caller must also 2418 * call sa_commit_properties() to commit the changes to SMF. 2419 */ 2420 static int 2421 smb_update_optionset_props(sa_handle_t handle, sa_resource_t resource, 2422 nvlist_t *nvl) 2423 { 2424 sa_property_t prop; 2425 sa_optionset_t opts; 2426 int err = SA_OK; 2427 nvpair_t *cur; 2428 char *name, *val; 2429 2430 if ((opts = sa_get_optionset(resource, SMB_PROTOCOL_NAME)) == NULL) { 2431 opts = sa_create_optionset(resource, SMB_PROTOCOL_NAME); 2432 if (opts == NULL) 2433 return (SA_CONFIG_ERR); 2434 } 2435 2436 cur = nvlist_next_nvpair(nvl, NULL); 2437 while (cur != NULL) { 2438 name = nvpair_name(cur); 2439 err = nvpair_value_string(cur, &val); 2440 if ((err != 0) || (name == NULL) || (val == NULL)) { 2441 err = SA_CONFIG_ERR; 2442 break; 2443 } 2444 2445 prop = NULL; 2446 if ((prop = sa_get_property(opts, name)) == NULL) { 2447 prop = sa_create_property(name, val); 2448 if (prop != NULL) { 2449 err = sa_valid_property(handle, opts, 2450 SMB_PROTOCOL_NAME, prop); 2451 if (err != SA_OK) { 2452 (void) sa_remove_property(prop); 2453 break; 2454 } 2455 } 2456 err = sa_add_property(opts, prop); 2457 if (err != SA_OK) 2458 break; 2459 } else { 2460 err = sa_update_property(prop, val); 2461 if (err != SA_OK) 2462 break; 2463 } 2464 2465 cur = nvlist_next_nvpair(nvl, cur); 2466 } 2467 2468 return (err); 2469 } 2470 2471 static boolean_t 2472 smb_saprop_getbool(sa_optionset_t opts, char *propname, boolean_t def) 2473 { 2474 sa_property_t prop; 2475 char *val; 2476 boolean_t ret = def; 2477 2478 prop = sa_get_property(opts, propname); 2479 if ((val = sa_get_property_attr(prop, "value")) != NULL) { 2480 if (def) { 2481 /* Default is true, ret false if... */ 2482 if ((strcasecmp(val, "false") == 0) || 2483 (strcmp(val, "0") == 0)) 2484 ret = B_FALSE; 2485 } else { 2486 /* Default is false, ret true if... */ 2487 if ((strcasecmp(val, "true") == 0) || 2488 (strcmp(val, "1") == 0)) 2489 ret = B_TRUE; 2490 } 2491 free(val); 2492 } 2493 2494 return (ret); 2495 } 2496 2497 static boolean_t 2498 smb_saprop_getstr(sa_optionset_t opts, char *propname, char *buf, size_t bufsz) 2499 { 2500 sa_property_t prop; 2501 char *val; 2502 2503 prop = sa_get_property(opts, propname); 2504 if ((val = sa_get_property_attr(prop, "value")) != NULL) { 2505 (void) strlcpy(buf, val, bufsz); 2506 free(val); 2507 return (B_TRUE); 2508 } 2509 2510 return (B_FALSE); 2511 } 2512