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