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 2008 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 #pragma ident "@(#)libshare_smb.c 1.16 08/08/05 SMI" 28 29 /* 30 * SMB specific functions 31 */ 32 #include <stdio.h> 33 #include <string.h> 34 #include <ctype.h> 35 #include <stdlib.h> 36 #include <unistd.h> 37 #include <zone.h> 38 #include <errno.h> 39 #include <locale.h> 40 #include <fcntl.h> 41 #include <sys/types.h> 42 #include <sys/stat.h> 43 #include <syslog.h> 44 #include "libshare.h" 45 #include "libshare_impl.h" 46 #include <pwd.h> 47 #include <limits.h> 48 #include <libscf.h> 49 #include <strings.h> 50 #include "libshare_smb.h" 51 #include <rpcsvc/daemon_utils.h> 52 #include <smbsrv/smb_share.h> 53 #include <smbsrv/smbinfo.h> 54 #include <smbsrv/libsmb.h> 55 56 /* internal functions */ 57 static int smb_share_init(void); 58 static void smb_share_fini(void); 59 static int smb_enable_share(sa_share_t); 60 static int smb_share_changed(sa_share_t); 61 static int smb_resource_changed(sa_resource_t); 62 static int smb_rename_resource(sa_handle_t, sa_resource_t, char *); 63 static int smb_disable_share(sa_share_t share, char *); 64 static int smb_validate_property(sa_handle_t, sa_property_t, sa_optionset_t); 65 static int smb_set_proto_prop(sa_property_t); 66 static sa_protocol_properties_t smb_get_proto_set(void); 67 static char *smb_get_status(void); 68 static int smb_parse_optstring(sa_group_t, char *); 69 static char *smb_format_options(sa_group_t, int); 70 71 static int smb_enable_service(void); 72 73 static int range_check_validator(int, char *); 74 static int range_check_validator_zero_ok(int, char *); 75 static int string_length_check_validator(int, char *); 76 static int true_false_validator(int, char *); 77 static int ip_address_validator_empty_ok(int, char *); 78 static int ip_address_csv_list_validator_empty_ok(int, char *); 79 static int path_validator(int, char *); 80 81 static int smb_enable_resource(sa_resource_t); 82 static int smb_disable_resource(sa_resource_t); 83 static uint64_t smb_share_features(void); 84 static int smb_list_transient(sa_handle_t); 85 86 static int smb_build_shareinfo(sa_share_t, sa_resource_t, smb_share_t *); 87 static sa_group_t smb_get_defaultgrp(sa_handle_t); 88 89 /* size of basic format allocation */ 90 #define OPT_CHUNK 1024 91 92 /* size of string for types - big enough to hold "dependency" */ 93 #define SCFTYPE_LEN 32 94 95 /* 96 * Indexes of entries in smb_proto_options table. 97 * Changes to smb_proto_options table may require 98 * an update to these values. 99 */ 100 #define PROTO_OPT_WINS1 6 101 #define PROTO_OPT_WINS_EXCLUDE 8 102 103 104 /* 105 * ops vector that provides the protocol specific info and operations 106 * for share management. 107 */ 108 109 struct sa_plugin_ops sa_plugin_ops = { 110 SA_PLUGIN_VERSION, 111 SMB_PROTOCOL_NAME, 112 smb_share_init, 113 smb_share_fini, 114 smb_enable_share, 115 smb_disable_share, 116 smb_validate_property, 117 NULL, /* valid_space */ 118 NULL, /* security_prop */ 119 smb_parse_optstring, 120 smb_format_options, 121 smb_set_proto_prop, 122 smb_get_proto_set, 123 smb_get_status, 124 NULL, /* space_alias */ 125 NULL, /* update_legacy */ 126 NULL, /* delete_legacy */ 127 smb_share_changed, 128 smb_enable_resource, 129 smb_disable_resource, 130 smb_share_features, 131 smb_list_transient, 132 smb_resource_changed, 133 smb_rename_resource, 134 NULL, /* run_command */ 135 NULL, /* command_help */ 136 NULL /* delete_proto_section */ 137 }; 138 139 /* 140 * option definitions. Make sure to keep the #define for the option 141 * index just before the entry it is the index for. Changing the order 142 * can cause breakage. 143 */ 144 145 struct option_defs optdefs[] = { 146 {SMB_SHROPT_AD_CONTAINER, OPT_TYPE_STRING}, 147 {SMB_SHROPT_NAME, OPT_TYPE_NAME}, 148 {NULL, NULL}, 149 }; 150 151 /* 152 * findopt(name) 153 * 154 * Lookup option "name" in the option table and return the table 155 * index. 156 */ 157 static int 158 findopt(char *name) 159 { 160 int i; 161 if (name != NULL) { 162 for (i = 0; optdefs[i].tag != NULL; i++) { 163 if (strcmp(optdefs[i].tag, name) == 0) 164 return (i); 165 } 166 } 167 return (-1); 168 } 169 170 /* 171 * is_a_number(number) 172 * 173 * is the string a number in one of the forms we want to use? 174 */ 175 static boolean_t 176 is_a_number(char *number) 177 { 178 boolean_t isnum = B_TRUE; 179 boolean_t ishex = B_FALSE; 180 181 if (number == NULL || *number == '\0') 182 return (B_FALSE); 183 184 if (strncasecmp(number, "0x", 2) == 0) { 185 number += 2; 186 ishex = B_TRUE; 187 } else if (*number == '-') { 188 number++; 189 } 190 191 while (isnum && (*number != '\0')) { 192 isnum = (ishex) ? isxdigit(*number) : isdigit(*number); 193 number++; 194 } 195 196 return (isnum); 197 } 198 199 /* 200 * validresource(name) 201 * 202 * Check that name only has valid characters in it. The current valid 203 * set are the printable characters but not including: 204 * " / \ [ ] : | < > + ; , ? * = \t 205 * Note that space is included and there is a maximum length. 206 */ 207 static boolean_t 208 validresource(const char *name) 209 { 210 const char *cp; 211 size_t len; 212 213 if (name == NULL) 214 return (B_FALSE); 215 216 len = strlen(name); 217 if (len == 0 || len > SA_MAX_RESOURCE_NAME) 218 return (B_FALSE); 219 220 if (strpbrk(name, "\"/\\[]:|<>+;,?*=\t") != NULL) { 221 return (B_FALSE); 222 } 223 224 for (cp = name; *cp != '\0'; cp++) 225 if (iscntrl(*cp)) 226 return (B_FALSE); 227 228 return (B_TRUE); 229 } 230 231 /* 232 * smb_isonline() 233 * 234 * Determine if the SMF service instance is in the online state or 235 * not. A number of operations depend on this state. 236 */ 237 static boolean_t 238 smb_isonline(void) 239 { 240 char *str; 241 boolean_t ret = B_FALSE; 242 243 if ((str = smf_get_state(SMBD_DEFAULT_INSTANCE_FMRI)) != NULL) { 244 ret = (strcmp(str, SCF_STATE_STRING_ONLINE) == 0); 245 free(str); 246 } 247 return (ret); 248 } 249 250 /* 251 * smb_isdisabled() 252 * 253 * Determine if the SMF service instance is in the disabled state or 254 * not. A number of operations depend on this state. 255 */ 256 static boolean_t 257 smb_isdisabled(void) 258 { 259 char *str; 260 boolean_t ret = B_FALSE; 261 262 if ((str = smf_get_state(SMBD_DEFAULT_INSTANCE_FMRI)) != NULL) { 263 ret = (strcmp(str, SCF_STATE_STRING_DISABLED) == 0); 264 free(str); 265 } 266 return (ret); 267 } 268 269 /* 270 * smb_isautoenable() 271 * 272 * Determine if the SMF service instance auto_enabled set or not. A 273 * number of operations depend on this state. The property not being 274 * set or being set to true means autoenable. Only being set to false 275 * is not autoenabled. 276 */ 277 static boolean_t 278 smb_isautoenable(void) 279 { 280 boolean_t ret = B_TRUE; 281 scf_simple_prop_t *prop; 282 uint8_t *retstr; 283 284 prop = scf_simple_prop_get(NULL, SMBD_DEFAULT_INSTANCE_FMRI, 285 "application", "auto_enable"); 286 if (prop != NULL) { 287 retstr = scf_simple_prop_next_boolean(prop); 288 ret = *retstr != 0; 289 scf_simple_prop_free(prop); 290 } 291 return (ret); 292 } 293 294 /* 295 * smb_ismaint() 296 * 297 * Determine if the SMF service instance is in the disabled state or 298 * not. A number of operations depend on this state. 299 */ 300 static boolean_t 301 smb_ismaint(void) 302 { 303 char *str; 304 boolean_t ret = B_FALSE; 305 306 if ((str = smf_get_state(SMBD_DEFAULT_INSTANCE_FMRI)) != NULL) { 307 ret = (strcmp(str, SCF_STATE_STRING_MAINT) == 0); 308 free(str); 309 } 310 return (ret); 311 } 312 313 /* 314 * smb_enable_share tells the implementation that it is to enable the share. 315 * This entails converting the path and options into the appropriate ioctl 316 * calls. It is assumed that all error checking of paths, etc. were 317 * done earlier. 318 */ 319 static int 320 smb_enable_share(sa_share_t share) 321 { 322 char *path; 323 smb_share_t si; 324 sa_resource_t resource; 325 boolean_t iszfs; 326 boolean_t privileged; 327 int err = SA_OK; 328 priv_set_t *priv_effective; 329 boolean_t online; 330 331 /* 332 * We only start in the global zone and only run if we aren't 333 * running Trusted Extensions. 334 */ 335 if (getzoneid() != GLOBAL_ZONEID) { 336 (void) printf(dgettext(TEXT_DOMAIN, 337 "SMB: service not supported in local zone\n")); 338 return (SA_NOT_SUPPORTED); 339 } 340 if (is_system_labeled()) { 341 (void) printf(dgettext(TEXT_DOMAIN, 342 "SMB: service not supported with Trusted Extensions\n")); 343 return (SA_NOT_SUPPORTED); 344 } 345 346 priv_effective = priv_allocset(); 347 (void) getppriv(PRIV_EFFECTIVE, priv_effective); 348 privileged = (priv_isfullset(priv_effective) == B_TRUE); 349 priv_freeset(priv_effective); 350 351 /* get the path since it is important in several places */ 352 path = sa_get_share_attr(share, "path"); 353 if (path == NULL) 354 return (SA_NO_SUCH_PATH); 355 356 /* 357 * If administratively disabled, don't try to start anything. 358 */ 359 online = smb_isonline(); 360 if (!online && !smb_isautoenable() && smb_isdisabled()) 361 goto done; 362 363 iszfs = sa_path_is_zfs(path); 364 365 if (iszfs) { 366 367 if (privileged == B_FALSE && !online) { 368 369 if (!online) { 370 (void) printf(dgettext(TEXT_DOMAIN, 371 "SMB: Cannot share remove " 372 "file system: %s\n"), path); 373 (void) printf(dgettext(TEXT_DOMAIN, 374 "SMB: Service needs to be enabled " 375 "by a privileged user\n")); 376 err = SA_NO_PERMISSION; 377 errno = EPERM; 378 } 379 if (err) { 380 sa_free_attr_string(path); 381 return (err); 382 } 383 384 } 385 } 386 387 if (privileged == B_TRUE && !online) { 388 err = smb_enable_service(); 389 if (err != SA_OK) { 390 (void) printf(dgettext(TEXT_DOMAIN, 391 "SMB: Unable to enable service\n")); 392 /* 393 * For now, it is OK to not be able to enable 394 * the service. 395 */ 396 if (err == SA_BUSY || err == SA_SYSTEM_ERR) 397 err = SA_OK; 398 } else { 399 online = B_TRUE; 400 } 401 } 402 403 /* 404 * Don't bother trying to start shares if the service isn't 405 * running. 406 */ 407 if (!online) 408 goto done; 409 410 /* Each share can have multiple resources */ 411 for (resource = sa_get_share_resource(share, NULL); 412 resource != NULL; 413 resource = sa_get_next_resource(resource)) { 414 err = smb_build_shareinfo(share, resource, &si); 415 if (err != SA_OK) { 416 sa_free_attr_string(path); 417 return (err); 418 } 419 420 if (!iszfs) { 421 err = smb_share_create(&si); 422 } else { 423 share_t sh; 424 425 sa_sharetab_fill_zfs(share, &sh, "smb"); 426 err = sa_share_zfs(share, (char *)path, &sh, 427 &si, ZFS_SHARE_SMB); 428 429 sa_emptyshare(&sh); 430 } 431 } 432 if (!iszfs) 433 (void) sa_update_sharetab(share, "smb"); 434 done: 435 sa_free_attr_string(path); 436 437 return (err == NERR_DuplicateShare ? 0 : err); 438 } 439 440 /* 441 * This is the share for CIFS all shares have resource names. 442 * Enable tells the smb server to update its hash. If it fails 443 * because smb server is down, we just ignore as smb server loads 444 * the resources from sharemanager at startup. 445 */ 446 447 static int 448 smb_enable_resource(sa_resource_t resource) 449 { 450 sa_share_t share; 451 smb_share_t si; 452 int ret = SA_OK; 453 int err; 454 boolean_t isonline; 455 456 share = sa_get_resource_parent(resource); 457 if (share == NULL) 458 return (SA_NO_SUCH_PATH); 459 460 /* 461 * If administratively disabled, don't try to start anything. 462 */ 463 isonline = smb_isonline(); 464 if (!isonline && !smb_isautoenable() && smb_isdisabled()) 465 return (SA_OK); 466 467 if (!isonline) { 468 (void) smb_enable_service(); 469 470 if (!smb_isonline()) 471 return (SA_OK); 472 } 473 474 if ((ret = smb_build_shareinfo(share, resource, &si)) != SA_OK) 475 return (ret); 476 477 /* 478 * Attempt to add the share. Any error that occurs if it was 479 * online is an error but don't count NERR_DuplicateName if 480 * smb/server had to be brought online since bringing the 481 * service up will enable the share that was just added prior 482 * to the attempt to enable. 483 */ 484 err = smb_share_create(&si); 485 if (err == NERR_Success || !(!isonline && err == NERR_DuplicateName)) 486 (void) sa_update_sharetab(share, "smb"); 487 else 488 return (SA_NOT_SHARED); 489 490 return (SA_OK); 491 } 492 493 /* 494 * Remove it from smb server hash. 495 */ 496 static int 497 smb_disable_resource(sa_resource_t resource) 498 { 499 char *rname; 500 uint32_t res; 501 sa_share_t share; 502 503 rname = sa_get_resource_attr(resource, "name"); 504 if (rname == NULL) 505 return (SA_NO_SUCH_RESOURCE); 506 507 if (smb_isonline()) { 508 res = smb_share_delete(rname); 509 if (res != NERR_Success) { 510 sa_free_attr_string(rname); 511 return (SA_CONFIG_ERR); 512 } 513 } 514 515 sa_free_attr_string(rname); 516 517 share = sa_get_resource_parent(resource); 518 if (share != NULL) { 519 rname = sa_get_share_attr(share, "path"); 520 if (rname != NULL) { 521 sa_handle_t handle; 522 523 handle = sa_find_group_handle((sa_group_t)resource); 524 (void) sa_delete_sharetab(handle, rname, "smb"); 525 sa_free_attr_string(rname); 526 } 527 } 528 /* 529 * Always return OK as smb/server may be down and 530 * Shares will be picked up when loaded. 531 */ 532 return (SA_OK); 533 } 534 535 /* 536 * smb_share_changed(sa_share_t share) 537 * 538 * The specified share has changed. 539 */ 540 static int 541 smb_share_changed(sa_share_t share) 542 { 543 char *path; 544 sa_resource_t resource; 545 546 if (!smb_isonline()) 547 return (SA_OK); 548 549 /* get the path since it is important in several places */ 550 path = sa_get_share_attr(share, "path"); 551 if (path == NULL) 552 return (SA_NO_SUCH_PATH); 553 554 for (resource = sa_get_share_resource(share, NULL); 555 resource != NULL; 556 resource = sa_get_next_resource(resource)) 557 (void) smb_resource_changed(resource); 558 559 sa_free_attr_string(path); 560 561 return (SA_OK); 562 } 563 564 /* 565 * smb_resource_changed(sa_resource_t resource) 566 * 567 * The specified resource has changed. 568 */ 569 static int 570 smb_resource_changed(sa_resource_t resource) 571 { 572 uint32_t res; 573 sa_share_t share; 574 smb_share_t si; 575 576 if (!smb_isonline()) 577 return (SA_OK); 578 579 if ((share = sa_get_resource_parent(resource)) == NULL) 580 return (SA_CONFIG_ERR); 581 582 if ((res = smb_build_shareinfo(share, resource, &si)) != SA_OK) 583 return (res); 584 585 res = smb_share_modify(si.shr_name, si.shr_cmnt, si.shr_container); 586 587 if (res != NERR_Success) 588 return (SA_CONFIG_ERR); 589 590 return (smb_enable_service()); 591 } 592 593 /* 594 * smb_disable_share(sa_share_t share, char *path) 595 * 596 * Unshare the specified share. Note that "path" is the same 597 * path as what is in the "share" object. It is passed in to avoid an 598 * additional lookup. A missing "path" value makes this a no-op 599 * function. 600 */ 601 static int 602 smb_disable_share(sa_share_t share, char *path) 603 { 604 char *rname; 605 sa_resource_t resource; 606 sa_group_t parent; 607 boolean_t iszfs; 608 int err = SA_OK; 609 sa_handle_t handle; 610 boolean_t first = B_TRUE; /* work around sharetab issue */ 611 612 if (path == NULL) 613 return (err); 614 615 /* 616 * If the share is in a ZFS group we need to handle it 617 * differently. Just being on a ZFS file system isn't 618 * enough since we may be in a legacy share case. 619 */ 620 parent = sa_get_parent_group(share); 621 iszfs = sa_group_is_zfs(parent); 622 623 if (!smb_isonline()) 624 goto done; 625 626 for (resource = sa_get_share_resource(share, NULL); 627 resource != NULL || err != SA_OK; 628 resource = sa_get_next_resource(resource)) { 629 rname = sa_get_resource_attr(resource, "name"); 630 if (rname == NULL) { 631 continue; 632 } 633 if (!iszfs) { 634 err = smb_share_delete(rname); 635 switch (err) { 636 case NERR_NetNameNotFound: 637 case NERR_Success: 638 err = SA_OK; 639 break; 640 default: 641 err = SA_CONFIG_ERR; 642 break; 643 } 644 } else { 645 share_t sh; 646 647 sa_sharetab_fill_zfs(share, &sh, "smb"); 648 err = sa_share_zfs(share, (char *)path, &sh, 649 rname, ZFS_UNSHARE_SMB); 650 /* 651 * If we are no longer the first case, we 652 * don't care about the sa_share_zfs err if it 653 * is -1. This works around a problem in 654 * sharefs and should be removed when sharefs 655 * supports multiple entries per path. 656 */ 657 if (!first && err == -1) 658 err = SA_OK; 659 first = B_FALSE; 660 661 sa_emptyshare(&sh); 662 } 663 sa_free_attr_string(rname); 664 } 665 done: 666 if (!iszfs) { 667 handle = sa_find_group_handle((sa_group_t)share); 668 if (handle != NULL) 669 (void) sa_delete_sharetab(handle, path, "smb"); 670 else 671 err = SA_SYSTEM_ERR; 672 } 673 return (err); 674 } 675 676 /* 677 * smb_validate_property(handle, property, parent) 678 * 679 * Check that the property has a legitimate value for its type. 680 * Handle isn't currently used but may need to be in the future. 681 */ 682 683 /*ARGSUSED*/ 684 static int 685 smb_validate_property(sa_handle_t handle, sa_property_t property, 686 sa_optionset_t parent) 687 { 688 int ret = SA_OK; 689 char *propname; 690 int optindex; 691 sa_group_t parent_group; 692 char *value; 693 694 propname = sa_get_property_attr(property, "type"); 695 696 if ((optindex = findopt(propname)) < 0) 697 ret = SA_NO_SUCH_PROP; 698 699 /* need to validate value range here as well */ 700 if (ret == SA_OK) { 701 parent_group = sa_get_parent_group((sa_share_t)parent); 702 if (optdefs[optindex].share && !sa_is_share(parent_group)) 703 ret = SA_PROP_SHARE_ONLY; 704 } 705 if (ret != SA_OK) { 706 if (propname != NULL) 707 sa_free_attr_string(propname); 708 return (ret); 709 } 710 711 value = sa_get_property_attr(property, "value"); 712 if (value != NULL) { 713 /* first basic type checking */ 714 switch (optdefs[optindex].type) { 715 case OPT_TYPE_NUMBER: 716 /* check that the value is all digits */ 717 if (!is_a_number(value)) 718 ret = SA_BAD_VALUE; 719 break; 720 case OPT_TYPE_BOOLEAN: 721 if (strlen(value) == 0 || 722 strcasecmp(value, "true") == 0 || 723 strcmp(value, "1") == 0 || 724 strcasecmp(value, "false") == 0 || 725 strcmp(value, "0") == 0) { 726 ret = SA_OK; 727 } else { 728 ret = SA_BAD_VALUE; 729 } 730 break; 731 case OPT_TYPE_NAME: 732 /* 733 * Make sure no invalid characters 734 */ 735 if (validresource(value) == B_FALSE) 736 ret = SA_BAD_VALUE; 737 break; 738 case OPT_TYPE_STRING: 739 /* whatever is here should be ok */ 740 break; 741 default: 742 break; 743 } 744 } 745 746 if (value != NULL) 747 sa_free_attr_string(value); 748 if (ret == SA_OK && optdefs[optindex].check != NULL) 749 /* do the property specific check */ 750 ret = optdefs[optindex].check(property); 751 752 if (propname != NULL) 753 sa_free_attr_string(propname); 754 return (ret); 755 } 756 757 /* 758 * Protocol management functions 759 * 760 * properties defined in the default files are defined in 761 * proto_option_defs for parsing and validation. 762 */ 763 764 struct smb_proto_option_defs { 765 int smb_index; 766 int32_t minval; 767 int32_t maxval; /* In case of length of string this should be max */ 768 int (*validator)(int, char *); 769 int32_t refresh; 770 } smb_proto_options[] = { 771 { SMB_CI_SYS_CMNT, 0, MAX_VALUE_BUFLEN, 772 string_length_check_validator, SMB_REFRESH_REFRESH }, 773 { SMB_CI_MAX_WORKERS, 64, 1024, range_check_validator, 774 SMB_REFRESH_REFRESH }, 775 { SMB_CI_NBSCOPE, 0, MAX_VALUE_BUFLEN, 776 string_length_check_validator, 0 }, 777 { SMB_CI_LM_LEVEL, 2, 5, range_check_validator, 0 }, 778 { SMB_CI_KEEPALIVE, 20, 5400, range_check_validator_zero_ok, 779 SMB_REFRESH_REFRESH }, 780 { SMB_CI_WINS_SRV1, 0, MAX_VALUE_BUFLEN, 781 ip_address_validator_empty_ok, SMB_REFRESH_REFRESH }, 782 { SMB_CI_WINS_SRV2, 0, MAX_VALUE_BUFLEN, 783 ip_address_validator_empty_ok, SMB_REFRESH_REFRESH }, 784 { SMB_CI_WINS_EXCL, 0, MAX_VALUE_BUFLEN, 785 ip_address_csv_list_validator_empty_ok, SMB_REFRESH_REFRESH }, 786 { SMB_CI_SIGNING_ENABLE, 0, 0, true_false_validator, 787 SMB_REFRESH_REFRESH }, 788 { SMB_CI_SIGNING_REQD, 0, 0, true_false_validator, 789 SMB_REFRESH_REFRESH }, 790 { SMB_CI_RESTRICT_ANON, 0, 0, true_false_validator, 791 SMB_REFRESH_REFRESH }, 792 { SMB_CI_DOMAIN_SRV, 0, MAX_VALUE_BUFLEN, 793 ip_address_validator_empty_ok, 0 }, 794 { SMB_CI_ADS_SITE, 0, MAX_VALUE_BUFLEN, 795 string_length_check_validator, SMB_REFRESH_REFRESH }, 796 { SMB_CI_DYNDNS_ENABLE, 0, 0, true_false_validator, 0 }, 797 { SMB_CI_AUTOHOME_MAP, 0, MAX_VALUE_BUFLEN, path_validator, 0 }, 798 }; 799 800 #define SMB_OPT_NUM \ 801 (sizeof (smb_proto_options) / sizeof (smb_proto_options[0])) 802 803 /* 804 * Check the range of value as int range. 805 */ 806 static int 807 range_check_validator(int index, char *value) 808 { 809 int ret = SA_OK; 810 811 if (!is_a_number(value)) { 812 ret = SA_BAD_VALUE; 813 } else { 814 int val; 815 val = strtoul(value, NULL, 0); 816 if (val < smb_proto_options[index].minval || 817 val > smb_proto_options[index].maxval) 818 ret = SA_BAD_VALUE; 819 } 820 return (ret); 821 } 822 823 /* 824 * Check the range of value as int range. 825 */ 826 static int 827 range_check_validator_zero_ok(int index, char *value) 828 { 829 int ret = SA_OK; 830 831 if (!is_a_number(value)) { 832 ret = SA_BAD_VALUE; 833 } else { 834 int val; 835 val = strtoul(value, NULL, 0); 836 if (val == 0) 837 ret = SA_OK; 838 else { 839 if (val < smb_proto_options[index].minval || 840 val > smb_proto_options[index].maxval) 841 ret = SA_BAD_VALUE; 842 } 843 } 844 return (ret); 845 } 846 847 /* 848 * Check the length of the string 849 */ 850 static int 851 string_length_check_validator(int index, char *value) 852 { 853 int ret = SA_OK; 854 855 if (value == NULL) 856 return (SA_BAD_VALUE); 857 if (strlen(value) > smb_proto_options[index].maxval) 858 ret = SA_BAD_VALUE; 859 return (ret); 860 } 861 862 /* 863 * Check yes/no 864 */ 865 /*ARGSUSED*/ 866 static int 867 true_false_validator(int index, char *value) 868 { 869 if (value == NULL) 870 return (SA_BAD_VALUE); 871 if ((strcasecmp(value, "true") == 0) || 872 (strcasecmp(value, "false") == 0)) 873 return (SA_OK); 874 return (SA_BAD_VALUE); 875 } 876 877 /* 878 * Check IP address. 879 */ 880 /*ARGSUSED*/ 881 static int 882 ip_address_validator_empty_ok(int index, char *value) 883 { 884 char sbytes[16]; 885 int len; 886 887 if (value == NULL) 888 return (SA_OK); 889 len = strlen(value); 890 if (len == 0) 891 return (SA_OK); 892 if (inet_pton(AF_INET, value, (void *)sbytes) != 1) 893 return (SA_BAD_VALUE); 894 895 return (SA_OK); 896 } 897 898 /* 899 * Check IP address list 900 */ 901 /*ARGSUSED*/ 902 static int 903 ip_address_csv_list_validator_empty_ok(int index, char *value) 904 { 905 char sbytes[16]; 906 char *ip, *tmp, *ctx; 907 908 if (value == NULL || *value == '\0') 909 return (SA_OK); 910 911 if (strlen(value) > MAX_VALUE_BUFLEN) 912 return (SA_BAD_VALUE); 913 914 if ((tmp = strdup(value)) == NULL) 915 return (SA_NO_MEMORY); 916 917 ip = strtok_r(tmp, ",", &ctx); 918 while (ip) { 919 if (strlen(ip) == 0) { 920 free(tmp); 921 return (SA_BAD_VALUE); 922 } 923 if (*ip != 0) { 924 if (inet_pton(AF_INET, ip, 925 (void *)sbytes) != 1) { 926 free(tmp); 927 return (SA_BAD_VALUE); 928 } 929 } 930 ip = strtok_r(0, ",", &ctx); 931 } 932 933 free(tmp); 934 return (SA_OK); 935 } 936 937 /* 938 * Check path 939 */ 940 /*ARGSUSED*/ 941 static int 942 path_validator(int index, char *value) 943 { 944 struct stat buffer; 945 int fd, status; 946 947 if (value == NULL) 948 return (SA_BAD_VALUE); 949 950 fd = open(value, O_RDONLY); 951 if (fd < 0) 952 return (SA_BAD_VALUE); 953 954 status = fstat(fd, &buffer); 955 (void) close(fd); 956 957 if (status < 0) 958 return (SA_BAD_VALUE); 959 960 if (buffer.st_mode & S_IFDIR) 961 return (SA_OK); 962 return (SA_BAD_VALUE); 963 } 964 965 /* 966 * the protoset holds the defined options so we don't have to read 967 * them multiple times 968 */ 969 static sa_protocol_properties_t protoset; 970 971 static int 972 findprotoopt(char *name) 973 { 974 int i; 975 char *sc_name; 976 977 for (i = 0; i < SMB_OPT_NUM; i++) { 978 sc_name = smb_config_getname(smb_proto_options[i].smb_index); 979 if (strcasecmp(sc_name, name) == 0) 980 return (i); 981 } 982 983 return (-1); 984 } 985 986 /* 987 * smb_load_proto_properties() 988 * 989 * read the smb config values from SMF. 990 */ 991 992 static int 993 smb_load_proto_properties() 994 { 995 sa_property_t prop; 996 char value[MAX_VALUE_BUFLEN]; 997 char *name; 998 int index; 999 int ret = SA_OK; 1000 int rc; 1001 1002 protoset = sa_create_protocol_properties(SMB_PROTOCOL_NAME); 1003 if (protoset == NULL) 1004 return (SA_NO_MEMORY); 1005 1006 for (index = 0; index < SMB_OPT_NUM && ret == SA_OK; index++) { 1007 rc = smb_config_get(smb_proto_options[index].smb_index, 1008 value, sizeof (value)); 1009 if (rc != SMBD_SMF_OK) 1010 continue; 1011 name = smb_config_getname(smb_proto_options[index].smb_index); 1012 prop = sa_create_property(name, value); 1013 if (prop != NULL) 1014 ret = sa_add_protocol_property(protoset, prop); 1015 else 1016 ret = SA_NO_MEMORY; 1017 } 1018 return (ret); 1019 } 1020 1021 /* 1022 * smb_share_init() 1023 * 1024 * Initialize the smb plugin. 1025 */ 1026 1027 static int 1028 smb_share_init(void) 1029 { 1030 if (sa_plugin_ops.sa_init != smb_share_init) 1031 return (SA_SYSTEM_ERR); 1032 1033 return (smb_load_proto_properties()); 1034 } 1035 1036 /* 1037 * smb_share_fini() 1038 * 1039 */ 1040 static void 1041 smb_share_fini(void) 1042 { 1043 xmlFreeNode(protoset); 1044 protoset = NULL; 1045 1046 (void) smb_share_dclose(); 1047 } 1048 1049 /* 1050 * smb_get_proto_set() 1051 * 1052 * Return an optionset with all the protocol specific properties in 1053 * it. 1054 */ 1055 static sa_protocol_properties_t 1056 smb_get_proto_set(void) 1057 { 1058 return (protoset); 1059 } 1060 1061 /* 1062 * smb_enable_dependencies() 1063 * 1064 * SMBD_DEFAULT_INSTANCE_FMRI may have some dependencies that aren't 1065 * enabled. This will attempt to enable all of them. 1066 */ 1067 static void 1068 smb_enable_dependencies(const char *fmri) 1069 { 1070 scf_handle_t *handle; 1071 scf_service_t *service; 1072 scf_instance_t *inst = NULL; 1073 scf_iter_t *iter; 1074 scf_property_t *prop; 1075 scf_value_t *value; 1076 scf_propertygroup_t *pg; 1077 scf_scope_t *scope; 1078 char type[SCFTYPE_LEN]; 1079 char *dependency; 1080 char *servname; 1081 int maxlen; 1082 1083 /* 1084 * Get all required handles and storage. 1085 */ 1086 handle = scf_handle_create(SCF_VERSION); 1087 if (handle == NULL) 1088 return; 1089 1090 if (scf_handle_bind(handle) != 0) { 1091 scf_handle_destroy(handle); 1092 return; 1093 } 1094 1095 maxlen = scf_limit(SCF_LIMIT_MAX_VALUE_LENGTH); 1096 if (maxlen == (ssize_t)-1) 1097 maxlen = MAXPATHLEN; 1098 1099 dependency = malloc(maxlen); 1100 1101 service = scf_service_create(handle); 1102 1103 iter = scf_iter_create(handle); 1104 1105 pg = scf_pg_create(handle); 1106 1107 prop = scf_property_create(handle); 1108 1109 value = scf_value_create(handle); 1110 1111 scope = scf_scope_create(handle); 1112 1113 if (service == NULL || iter == NULL || pg == NULL || prop == NULL || 1114 value == NULL || scope == NULL || dependency == NULL) 1115 goto done; 1116 1117 /* 1118 * We passed in the FMRI for the default instance but for 1119 * some things we need the simple form so construct it. Since 1120 * we reuse the storage that dependency points to, we need to 1121 * use the servname early. 1122 */ 1123 (void) snprintf(dependency, maxlen, "%s", fmri + sizeof ("svc:")); 1124 servname = strrchr(dependency, ':'); 1125 if (servname == NULL) 1126 goto done; 1127 *servname = '\0'; 1128 servname = dependency; 1129 1130 /* 1131 * Setup to iterate over the service property groups, only 1132 * looking at those that are "dependency" types. The "entity" 1133 * property will have the FMRI of the service we are dependent 1134 * on. 1135 */ 1136 if (scf_handle_get_scope(handle, SCF_SCOPE_LOCAL, scope) != 0) 1137 goto done; 1138 1139 if (scf_scope_get_service(scope, servname, service) != 0) 1140 goto done; 1141 1142 if (scf_iter_service_pgs(iter, service) != 0) 1143 goto done; 1144 1145 while (scf_iter_next_pg(iter, pg) > 0) { 1146 char *services[2]; 1147 /* 1148 * Have a property group for the service. See if it is 1149 * a dependency pg and only do operations on those. 1150 */ 1151 if (scf_pg_get_type(pg, type, SCFTYPE_LEN) <= 0) 1152 continue; 1153 1154 if (strncmp(type, SCF_GROUP_DEPENDENCY, SCFTYPE_LEN) != 0) 1155 continue; 1156 /* 1157 * Have a dependency. Attempt to enable it. 1158 */ 1159 if (scf_pg_get_property(pg, SCF_PROPERTY_ENTITIES, prop) != 0) 1160 continue; 1161 1162 if (scf_property_get_value(prop, value) != 0) 1163 continue; 1164 1165 services[1] = NULL; 1166 1167 if (scf_value_get_as_string(value, dependency, maxlen) > 0) { 1168 services[0] = dependency; 1169 _check_services(services); 1170 } 1171 } 1172 1173 done: 1174 if (dependency != NULL) 1175 free(dependency); 1176 if (value != NULL) 1177 scf_value_destroy(value); 1178 if (prop != NULL) 1179 scf_property_destroy(prop); 1180 if (pg != NULL) 1181 scf_pg_destroy(pg); 1182 if (iter != NULL) 1183 scf_iter_destroy(iter); 1184 if (scope != NULL) 1185 scf_scope_destroy(scope); 1186 if (inst != NULL) 1187 scf_instance_destroy(inst); 1188 if (service != NULL) 1189 scf_service_destroy(service); 1190 1191 (void) scf_handle_unbind(handle); 1192 scf_handle_destroy(handle); 1193 } 1194 1195 /* 1196 * How long to wait for service to come online 1197 */ 1198 #define WAIT_FOR_SERVICE 15 1199 1200 /* 1201 * smb_enable_service() 1202 * 1203 */ 1204 static int 1205 smb_enable_service(void) 1206 { 1207 int i; 1208 int ret = SA_OK; 1209 char *service[] = { SMBD_DEFAULT_INSTANCE_FMRI, NULL }; 1210 1211 if (!smb_isonline()) { 1212 /* 1213 * Attempt to start the idmap, and other dependent 1214 * services, first. If it fails, the SMB service will 1215 * ultimately fail so we use that as the error. If we 1216 * don't try to enable idmap, smb won't start the 1217 * first time unless the admin has done it 1218 * manually. The service could be administratively 1219 * disabled so we won't always get started. 1220 */ 1221 smb_enable_dependencies(SMBD_DEFAULT_INSTANCE_FMRI); 1222 _check_services(service); 1223 1224 /* Wait for service to come online */ 1225 for (i = 0; i < WAIT_FOR_SERVICE; i++) { 1226 if (smb_isonline()) { 1227 ret = SA_OK; 1228 break; 1229 } else if (smb_ismaint()) { 1230 /* maintenance requires help */ 1231 ret = SA_SYSTEM_ERR; 1232 break; 1233 } else if (smb_isdisabled()) { 1234 /* disabled is ok */ 1235 ret = SA_OK; 1236 break; 1237 } else { 1238 /* try another time */ 1239 ret = SA_BUSY; 1240 (void) sleep(1); 1241 } 1242 } 1243 } 1244 return (ret); 1245 } 1246 1247 /* 1248 * smb_validate_proto_prop(index, name, value) 1249 * 1250 * Verify that the property specified by name can take the new 1251 * value. This is a sanity check to prevent bad values getting into 1252 * the default files. 1253 */ 1254 static int 1255 smb_validate_proto_prop(int index, char *name, char *value) 1256 { 1257 if ((name == NULL) || (index < 0)) 1258 return (SA_BAD_VALUE); 1259 1260 if (smb_proto_options[index].validator == NULL) 1261 return (SA_OK); 1262 1263 if (smb_proto_options[index].validator(index, value) == SA_OK) 1264 return (SA_OK); 1265 return (SA_BAD_VALUE); 1266 } 1267 1268 /* 1269 * smb_set_proto_prop(prop) 1270 * 1271 * check that prop is valid. 1272 */ 1273 /*ARGSUSED*/ 1274 static int 1275 smb_set_proto_prop(sa_property_t prop) 1276 { 1277 int ret = SA_OK; 1278 char *name; 1279 char *value; 1280 int index = -1; 1281 struct smb_proto_option_defs *opt; 1282 1283 name = sa_get_property_attr(prop, "type"); 1284 value = sa_get_property_attr(prop, "value"); 1285 if (name != NULL && value != NULL) { 1286 index = findprotoopt(name); 1287 if (index >= 0) { 1288 /* should test for valid value */ 1289 ret = smb_validate_proto_prop(index, name, value); 1290 if (ret == SA_OK) { 1291 opt = &smb_proto_options[index]; 1292 1293 /* Save to SMF */ 1294 (void) smb_config_set(opt->smb_index, value); 1295 /* 1296 * Specialized refresh mechanisms can 1297 * be flagged in the proto_options and 1298 * processed here. 1299 */ 1300 if (opt->refresh & SMB_REFRESH_REFRESH) 1301 (void) smf_refresh_instance( 1302 SMBD_DEFAULT_INSTANCE_FMRI); 1303 else if (opt->refresh & SMB_REFRESH_RESTART) 1304 (void) smf_restart_instance( 1305 SMBD_DEFAULT_INSTANCE_FMRI); 1306 } 1307 } 1308 } 1309 1310 if (name != NULL) 1311 sa_free_attr_string(name); 1312 if (value != NULL) 1313 sa_free_attr_string(value); 1314 1315 return (ret); 1316 } 1317 1318 /* 1319 * smb_get_status() 1320 * 1321 * What is the current status of the smbd? We use the SMF state here. 1322 * Caller must free the returned value. 1323 */ 1324 1325 static char * 1326 smb_get_status(void) 1327 { 1328 char *state = NULL; 1329 state = smf_get_state(SMBD_DEFAULT_INSTANCE_FMRI); 1330 return (state != NULL ? state : "-"); 1331 } 1332 1333 /* 1334 * This protocol plugin require resource names 1335 */ 1336 static uint64_t 1337 smb_share_features(void) 1338 { 1339 return (SA_FEATURE_RESOURCE | SA_FEATURE_ALLOWSUBDIRS | 1340 SA_FEATURE_ALLOWPARDIRS | SA_FEATURE_SERVER); 1341 } 1342 1343 /* 1344 * This should be used to convert smb_share_t to sa_resource_t 1345 * Should only be needed to build transient shares/resources to be 1346 * supplied to sharemgr to display. 1347 */ 1348 static int 1349 smb_add_transient(sa_handle_t handle, smb_share_t *si) 1350 { 1351 int err; 1352 sa_share_t share; 1353 sa_group_t group; 1354 sa_resource_t resource; 1355 1356 if (si == NULL) 1357 return (SA_INVALID_NAME); 1358 1359 if ((share = sa_find_share(handle, si->shr_path)) == NULL) { 1360 if ((group = smb_get_defaultgrp(handle)) == NULL) 1361 return (SA_NO_SUCH_GROUP); 1362 1363 share = sa_get_share(group, si->shr_path); 1364 if (share == NULL) { 1365 share = sa_add_share(group, si->shr_path, 1366 SA_SHARE_TRANSIENT, &err); 1367 if (share == NULL) 1368 return (SA_NO_SUCH_PATH); 1369 } 1370 } 1371 1372 /* 1373 * Now handle the resource. Make sure that the resource is 1374 * transient and added to the share. 1375 */ 1376 resource = sa_get_share_resource(share, si->shr_name); 1377 if (resource == NULL) { 1378 resource = sa_add_resource(share, 1379 si->shr_name, SA_SHARE_TRANSIENT, &err); 1380 if (resource == NULL) 1381 return (SA_NO_SUCH_RESOURCE); 1382 } 1383 1384 /* set resource attributes now */ 1385 (void) sa_set_resource_attr(resource, "description", si->shr_cmnt); 1386 (void) sa_set_resource_attr(resource, SMB_SHROPT_AD_CONTAINER, 1387 si->shr_container); 1388 1389 return (SA_OK); 1390 } 1391 1392 /* 1393 * Return smb transient shares. 1394 */ 1395 static int 1396 smb_list_transient(sa_handle_t handle) 1397 { 1398 int i, offset; 1399 smb_shrlist_t list; 1400 int res; 1401 1402 if (smb_share_count() <= 0) 1403 return (SA_OK); 1404 1405 offset = 0; 1406 while (smb_share_list(offset, &list) == NERR_Success) { 1407 if (list.sl_cnt == 0) 1408 break; 1409 1410 for (i = 0; i < list.sl_cnt; i++) { 1411 res = smb_add_transient(handle, &(list.sl_shares[i])); 1412 if (res != SA_OK) 1413 return (res); 1414 } 1415 offset += list.sl_cnt; 1416 } 1417 1418 return (SA_OK); 1419 } 1420 1421 /* 1422 * fix_resource_name(share, name, prefix) 1423 * 1424 * Construct a name where the ZFS dataset has the prefix replaced with "name". 1425 */ 1426 static char * 1427 fix_resource_name(sa_share_t share, char *name, char *prefix) 1428 { 1429 char *dataset = NULL; 1430 char *newname = NULL; 1431 size_t psize; 1432 size_t nsize; 1433 1434 dataset = sa_get_share_attr(share, "dataset"); 1435 1436 if (dataset != NULL && strcmp(dataset, prefix) != 0) { 1437 psize = strlen(prefix); 1438 if (strncmp(dataset, prefix, psize) == 0) { 1439 /* need string plus ',' and NULL */ 1440 nsize = (strlen(dataset) - psize) + strlen(name) + 2; 1441 newname = calloc(nsize, 1); 1442 if (newname != NULL) { 1443 (void) snprintf(newname, nsize, "%s%s", name, 1444 dataset + psize); 1445 sa_fix_resource_name(newname); 1446 } 1447 sa_free_attr_string(dataset); 1448 return (newname); 1449 } 1450 } 1451 if (dataset != NULL) 1452 sa_free_attr_string(dataset); 1453 return (strdup(name)); 1454 } 1455 1456 /* 1457 * smb_parse_optstring(group, options) 1458 * 1459 * parse a compact option string into individual options. This allows 1460 * ZFS sharesmb and sharemgr "share" command to work. group can be a 1461 * group, a share or a resource. 1462 */ 1463 static int 1464 smb_parse_optstring(sa_group_t group, char *options) 1465 { 1466 char *dup; 1467 char *base; 1468 char *lasts; 1469 char *token; 1470 sa_optionset_t optionset; 1471 sa_group_t parent = NULL; 1472 sa_resource_t resource = NULL; 1473 int iszfs = 0; 1474 int persist = 0; 1475 int need_optionset = 0; 1476 int ret = SA_OK; 1477 sa_property_t prop; 1478 1479 /* 1480 * In order to not attempt to change ZFS properties unless 1481 * absolutely necessary, we never do it in the legacy parsing 1482 * so we need to keep track of this. 1483 */ 1484 if (sa_is_share(group)) { 1485 char *zfs; 1486 1487 parent = sa_get_parent_group(group); 1488 if (parent != NULL) { 1489 zfs = sa_get_group_attr(parent, "zfs"); 1490 if (zfs != NULL) { 1491 sa_free_attr_string(zfs); 1492 iszfs = 1; 1493 } 1494 } 1495 } else { 1496 iszfs = sa_group_is_zfs(group); 1497 /* 1498 * If a ZFS group, then we need to see if a resource 1499 * name is being set. If so, bail with 1500 * SA_PROP_SHARE_ONLY, so we come back in with a share 1501 * instead of a group. 1502 */ 1503 if (strncmp(options, "name=", sizeof ("name=") - 1) == 0 || 1504 strstr(options, ",name=") != NULL) { 1505 return (SA_PROP_SHARE_ONLY); 1506 } 1507 } 1508 1509 /* do we have an existing optionset? */ 1510 optionset = sa_get_optionset(group, "smb"); 1511 if (optionset == NULL) { 1512 /* didn't find existing optionset so create one */ 1513 optionset = sa_create_optionset(group, "smb"); 1514 if (optionset == NULL) 1515 return (SA_NO_MEMORY); 1516 } else { 1517 /* 1518 * If an optionset already exists, we've come through 1519 * twice so ignore the second time. 1520 */ 1521 return (ret); 1522 } 1523 1524 /* We need a copy of options for the next part. */ 1525 dup = strdup(options); 1526 if (dup == NULL) 1527 return (SA_NO_MEMORY); 1528 1529 /* 1530 * SMB properties are straightforward and are strings, 1531 * integers or booleans. Properties are separated by 1532 * commas. It will be necessary to parse quotes due to some 1533 * strings not having a restricted characters set. 1534 * 1535 * Note that names will create a resource. For now, if there 1536 * is a set of properties "before" the first name="", those 1537 * properties will be placed on the group. 1538 */ 1539 persist = sa_is_persistent(group); 1540 base = dup; 1541 token = dup; 1542 lasts = NULL; 1543 while (token != NULL && ret == SA_OK) { 1544 ret = SA_OK; 1545 token = strtok_r(base, ",", &lasts); 1546 base = NULL; 1547 if (token != NULL) { 1548 char *value; 1549 /* 1550 * All SMB properties have values so there 1551 * MUST be an '=' character. If it doesn't, 1552 * it is a syntax error. 1553 */ 1554 value = strchr(token, '='); 1555 if (value != NULL) { 1556 *value++ = '\0'; 1557 } else { 1558 ret = SA_SYNTAX_ERR; 1559 break; 1560 } 1561 /* 1562 * We may need to handle a "name" property 1563 * that is a ZFS imposed resource name. Each 1564 * name would trigger getting a new "resource" 1565 * to put properties on. For now, assume no 1566 * "name" property for special handling. 1567 */ 1568 1569 if (strcmp(token, "name") == 0) { 1570 char *prefix; 1571 char *name = NULL; 1572 /* 1573 * We have a name, so now work on the 1574 * resource level. We have a "share" 1575 * in "group" due to the caller having 1576 * added it. If we are called with a 1577 * group, the check for group/share 1578 * at the beginning of this function 1579 * will bail out the parse if there is a 1580 * "name" but no share. 1581 */ 1582 if (!iszfs) { 1583 ret = SA_SYNTAX_ERR; 1584 break; 1585 } 1586 /* 1587 * Make sure the parent group has the 1588 * "prefix" property since we will 1589 * need to use this for constructing 1590 * inherited name= values. 1591 */ 1592 prefix = sa_get_group_attr(parent, "prefix"); 1593 if (prefix == NULL) { 1594 prefix = sa_get_group_attr(parent, 1595 "name"); 1596 if (prefix != NULL) { 1597 (void) sa_set_group_attr(parent, 1598 "prefix", prefix); 1599 } 1600 } 1601 name = fix_resource_name((sa_share_t)group, 1602 value, prefix); 1603 if (name != NULL) { 1604 resource = sa_add_resource( 1605 (sa_share_t)group, name, 1606 SA_SHARE_TRANSIENT, &ret); 1607 sa_free_attr_string(name); 1608 } else { 1609 ret = SA_NO_MEMORY; 1610 } 1611 if (prefix != NULL) 1612 sa_free_attr_string(prefix); 1613 1614 /* A resource level optionset is needed */ 1615 1616 need_optionset = 1; 1617 if (resource == NULL) { 1618 ret = SA_NO_MEMORY; 1619 break; 1620 } 1621 continue; 1622 } 1623 1624 if (need_optionset) { 1625 optionset = sa_create_optionset(resource, 1626 "smb"); 1627 need_optionset = 0; 1628 } 1629 1630 prop = sa_create_property(token, value); 1631 if (prop == NULL) 1632 ret = SA_NO_MEMORY; 1633 else 1634 ret = sa_add_property(optionset, prop); 1635 if (ret != SA_OK) 1636 break; 1637 if (!iszfs) 1638 ret = sa_commit_properties(optionset, !persist); 1639 } 1640 } 1641 free(dup); 1642 return (ret); 1643 } 1644 1645 /* 1646 * smb_sprint_option(rbuff, rbuffsize, incr, prop, sep) 1647 * 1648 * provides a mechanism to format SMB properties into legacy output 1649 * format. If the buffer would overflow, it is reallocated and grown 1650 * as appropriate. Special cases of converting internal form of values 1651 * to those used by "share" are done. this function does one property 1652 * at a time. 1653 */ 1654 1655 static void 1656 smb_sprint_option(char **rbuff, size_t *rbuffsize, size_t incr, 1657 sa_property_t prop, int sep) 1658 { 1659 char *name; 1660 char *value; 1661 int curlen; 1662 char *buff = *rbuff; 1663 size_t buffsize = *rbuffsize; 1664 1665 name = sa_get_property_attr(prop, "type"); 1666 value = sa_get_property_attr(prop, "value"); 1667 if (buff != NULL) 1668 curlen = strlen(buff); 1669 else 1670 curlen = 0; 1671 if (name != NULL) { 1672 int len; 1673 len = strlen(name) + sep; 1674 1675 /* 1676 * A future RFE would be to replace this with more 1677 * generic code and to possibly handle more types. 1678 * 1679 * For now, everything else is treated as a string. If 1680 * we get any properties that aren't exactly 1681 * name/value pairs, we may need to 1682 * interpret/transform. 1683 */ 1684 if (value != NULL) 1685 len += 1 + strlen(value); 1686 1687 while (buffsize <= (curlen + len)) { 1688 /* need more room */ 1689 buffsize += incr; 1690 buff = realloc(buff, buffsize); 1691 *rbuff = buff; 1692 *rbuffsize = buffsize; 1693 if (buff == NULL) { 1694 /* realloc failed so free everything */ 1695 if (*rbuff != NULL) 1696 free(*rbuff); 1697 goto err; 1698 } 1699 } 1700 if (buff == NULL) 1701 goto err; 1702 (void) snprintf(buff + curlen, buffsize - curlen, 1703 "%s%s=%s", sep ? "," : "", 1704 name, value != NULL ? value : "\"\""); 1705 1706 } 1707 err: 1708 if (name != NULL) 1709 sa_free_attr_string(name); 1710 if (value != NULL) 1711 sa_free_attr_string(value); 1712 } 1713 1714 /* 1715 * smb_format_resource_options(resource, hier) 1716 * 1717 * format all the options on the group into a flattened option 1718 * string. If hier is non-zero, walk up the tree to get inherited 1719 * options. 1720 */ 1721 1722 static char * 1723 smb_format_options(sa_group_t group, int hier) 1724 { 1725 sa_optionset_t options = NULL; 1726 sa_property_t prop; 1727 int sep = 0; 1728 char *buff; 1729 size_t buffsize; 1730 1731 1732 buff = malloc(OPT_CHUNK); 1733 if (buff == NULL) 1734 return (NULL); 1735 1736 buff[0] = '\0'; 1737 buffsize = OPT_CHUNK; 1738 1739 /* 1740 * We may have a an optionset relative to this item. format 1741 * these if we find them and then add any security definitions. 1742 */ 1743 1744 options = sa_get_derived_optionset(group, "smb", hier); 1745 1746 /* 1747 * do the default set first but skip any option that is also 1748 * in the protocol specific optionset. 1749 */ 1750 if (options != NULL) { 1751 for (prop = sa_get_property(options, NULL); 1752 prop != NULL; prop = sa_get_next_property(prop)) { 1753 /* 1754 * use this one since we skipped any 1755 * of these that were also in 1756 * optdefault 1757 */ 1758 smb_sprint_option(&buff, &buffsize, OPT_CHUNK, 1759 prop, sep); 1760 if (buff == NULL) { 1761 /* 1762 * buff could become NULL if there 1763 * isn't enough memory for 1764 * smb_sprint_option to realloc() 1765 * as necessary. We can't really 1766 * do anything about it at this 1767 * point so we return NULL. The 1768 * caller should handle the 1769 * failure. 1770 */ 1771 if (options != NULL) 1772 sa_free_derived_optionset( 1773 options); 1774 return (buff); 1775 } 1776 sep = 1; 1777 } 1778 } 1779 1780 if (options != NULL) 1781 sa_free_derived_optionset(options); 1782 return (buff); 1783 } 1784 1785 /* 1786 * smb_rename_resource(resource, newname) 1787 * 1788 * Change the current exported name of the resource to newname. 1789 */ 1790 /*ARGSUSED*/ 1791 int 1792 smb_rename_resource(sa_handle_t handle, sa_resource_t resource, char *newname) 1793 { 1794 int ret = SA_OK; 1795 int err; 1796 char *oldname; 1797 1798 if (!smb_isonline()) 1799 return (SA_OK); 1800 1801 oldname = sa_get_resource_attr(resource, "name"); 1802 if (oldname == NULL) 1803 return (SA_NO_SUCH_RESOURCE); 1804 1805 err = smb_share_rename(oldname, newname); 1806 1807 /* improve error values somewhat */ 1808 switch (err) { 1809 case NERR_Success: 1810 break; 1811 case NERR_InternalError: 1812 ret = SA_SYSTEM_ERR; 1813 break; 1814 case NERR_DuplicateShare: 1815 ret = SA_DUPLICATE_NAME; 1816 break; 1817 default: 1818 ret = SA_CONFIG_ERR; 1819 break; 1820 } 1821 1822 return (ret); 1823 } 1824 1825 static int 1826 smb_build_shareinfo(sa_share_t share, sa_resource_t resource, smb_share_t *si) 1827 { 1828 sa_property_t prop; 1829 sa_optionset_t opts; 1830 char *path; 1831 char *rname; 1832 char *val = NULL; 1833 1834 bzero(si, sizeof (smb_share_t)); 1835 1836 if ((path = sa_get_share_attr(share, "path")) == NULL) 1837 return (SA_NO_SUCH_PATH); 1838 1839 if ((rname = sa_get_resource_attr(resource, "name")) == NULL) { 1840 sa_free_attr_string(path); 1841 return (SA_NO_SUCH_RESOURCE); 1842 } 1843 1844 si->shr_flags = (sa_is_persistent(share)) 1845 ? SMB_SHRF_PERM : SMB_SHRF_TRANS; 1846 1847 (void) strlcpy(si->shr_path, path, sizeof (si->shr_path)); 1848 (void) strlcpy(si->shr_name, rname, sizeof (si->shr_name)); 1849 sa_free_attr_string(path); 1850 sa_free_attr_string(rname); 1851 1852 val = sa_get_resource_description(resource); 1853 if (val == NULL) 1854 val = sa_get_share_description(share); 1855 1856 if (val != NULL) { 1857 (void) strlcpy(si->shr_cmnt, val, sizeof (si->shr_cmnt)); 1858 sa_free_share_description(val); 1859 } 1860 1861 opts = sa_get_derived_optionset(resource, SMB_PROTOCOL_NAME, 1); 1862 if (opts == NULL) 1863 return (SA_OK); 1864 1865 prop = sa_get_property(opts, SMB_SHROPT_AD_CONTAINER); 1866 if (prop != NULL) { 1867 if ((val = sa_get_property_attr(prop, "value")) != NULL) { 1868 (void) strlcpy(si->shr_container, val, 1869 sizeof (si->shr_container)); 1870 free(val); 1871 } 1872 } 1873 1874 sa_free_derived_optionset(opts); 1875 return (SA_OK); 1876 } 1877 1878 /* 1879 * smb_get_defaultgrp 1880 * 1881 * If default group for CIFS shares (i.e. "smb") exists 1882 * then it will return the group handle, otherwise it will 1883 * create the group and return the handle. 1884 * 1885 * All the shares created by CIFS clients (this is only possible 1886 * via RPC) will be added to "smb" groups. 1887 */ 1888 static sa_group_t 1889 smb_get_defaultgrp(sa_handle_t handle) 1890 { 1891 sa_group_t group = NULL; 1892 int err; 1893 1894 group = sa_get_group(handle, SMB_DEFAULT_SHARE_GROUP); 1895 if (group != NULL) 1896 return (group); 1897 1898 group = sa_create_group(handle, SMB_DEFAULT_SHARE_GROUP, &err); 1899 if (group == NULL) 1900 return (NULL); 1901 1902 if (sa_create_optionset(group, SMB_DEFAULT_SHARE_GROUP) == NULL) { 1903 (void) sa_remove_group(group); 1904 group = NULL; 1905 } 1906 1907 return (group); 1908 } 1909