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 * Copyright (c) 2009, 2010, Oracle and/or its affiliates. All rights reserved. 23 * Copyright 2011 Nexenta Systems, Inc. All rights reserved. 24 */ 25 26 #include <sys/types.h> 27 #include <sys/stat.h> 28 #include <sys/ioccom.h> 29 #include <sys/param.h> 30 #include <stddef.h> 31 #include <stdio.h> 32 #include <string.h> 33 #include <strings.h> 34 #include <stdlib.h> 35 #include <unistd.h> 36 #include <fcntl.h> 37 #include <errno.h> 38 39 #include <smbsrv/smb_xdr.h> 40 #include <smbsrv/smbinfo.h> 41 #include <smbsrv/smb_ioctl.h> 42 #include <smbsrv/smb_ioctl.h> 43 #include <smbsrv/libsmb.h> 44 45 #define SMBDRV_DEVICE_PATH "/dev/smbsrv" 46 #define SMB_IOC_DATA_SIZE (256 * 1024) 47 48 static int smb_kmod_ioctl(int, smb_ioc_header_t *, uint32_t); 49 50 51 int smbdrv_fd = -1; 52 53 int 54 smb_kmod_bind(void) 55 { 56 if (smbdrv_fd != -1) 57 (void) close(smbdrv_fd); 58 59 if ((smbdrv_fd = open(SMBDRV_DEVICE_PATH, 0)) < 0) { 60 smbdrv_fd = -1; 61 return (errno); 62 } 63 64 return (0); 65 } 66 67 boolean_t 68 smb_kmod_isbound(void) 69 { 70 return ((smbdrv_fd == -1) ? B_FALSE : B_TRUE); 71 } 72 73 int 74 smb_kmod_setcfg(smb_kmod_cfg_t *cfg) 75 { 76 smb_ioc_cfg_t ioc; 77 78 ioc.maxworkers = cfg->skc_maxworkers; 79 ioc.maxconnections = cfg->skc_maxconnections; 80 ioc.keepalive = cfg->skc_keepalive; 81 ioc.restrict_anon = cfg->skc_restrict_anon; 82 ioc.signing_enable = cfg->skc_signing_enable; 83 ioc.signing_required = cfg->skc_signing_required; 84 ioc.oplock_enable = cfg->skc_oplock_enable; 85 ioc.sync_enable = cfg->skc_sync_enable; 86 ioc.secmode = cfg->skc_secmode; 87 ioc.ipv6_enable = cfg->skc_ipv6_enable; 88 ioc.print_enable = cfg->skc_print_enable; 89 ioc.exec_flags = cfg->skc_execflags; 90 ioc.version = cfg->skc_version; 91 92 (void) strlcpy(ioc.nbdomain, cfg->skc_nbdomain, sizeof (ioc.nbdomain)); 93 (void) strlcpy(ioc.fqdn, cfg->skc_fqdn, sizeof (ioc.fqdn)); 94 (void) strlcpy(ioc.hostname, cfg->skc_hostname, sizeof (ioc.hostname)); 95 (void) strlcpy(ioc.system_comment, cfg->skc_system_comment, 96 sizeof (ioc.system_comment)); 97 98 return (smb_kmod_ioctl(SMB_IOC_CONFIG, &ioc.hdr, sizeof (ioc))); 99 } 100 101 int 102 smb_kmod_setgmtoff(int32_t gmtoff) 103 { 104 smb_ioc_gmt_t ioc; 105 106 ioc.offset = gmtoff; 107 return (smb_kmod_ioctl(SMB_IOC_GMTOFF, &ioc.hdr, 108 sizeof (ioc))); 109 } 110 111 int 112 smb_kmod_start(int opipe, int lmshr, int udoor) 113 { 114 smb_ioc_start_t ioc; 115 116 ioc.opipe = opipe; 117 ioc.lmshrd = lmshr; 118 ioc.udoor = udoor; 119 return (smb_kmod_ioctl(SMB_IOC_START, &ioc.hdr, sizeof (ioc))); 120 } 121 122 void 123 smb_kmod_stop(void) 124 { 125 smb_ioc_header_t ioc; 126 127 (void) smb_kmod_ioctl(SMB_IOC_STOP, &ioc, sizeof (ioc)); 128 } 129 130 int 131 smb_kmod_event_notify(uint32_t txid) 132 { 133 smb_ioc_event_t ioc; 134 135 ioc.txid = txid; 136 return (smb_kmod_ioctl(SMB_IOC_EVENT, &ioc.hdr, sizeof (ioc))); 137 } 138 139 int 140 smb_kmod_share(nvlist_t *shrlist) 141 { 142 smb_ioc_share_t *ioc; 143 uint32_t ioclen; 144 char *shrbuf = NULL; 145 size_t bufsz; 146 int rc = ENOMEM; 147 148 if ((rc = nvlist_pack(shrlist, &shrbuf, &bufsz, NV_ENCODE_XDR, 0)) != 0) 149 return (rc); 150 151 ioclen = sizeof (smb_ioc_share_t) + bufsz; 152 153 if ((ioc = malloc(ioclen)) != NULL) { 154 ioc->shrlen = bufsz; 155 bcopy(shrbuf, ioc->shr, bufsz); 156 rc = smb_kmod_ioctl(SMB_IOC_SHARE, &ioc->hdr, ioclen); 157 free(ioc); 158 } 159 160 free(shrbuf); 161 return (rc); 162 } 163 164 int 165 smb_kmod_unshare(nvlist_t *shrlist) 166 { 167 smb_ioc_share_t *ioc; 168 uint32_t ioclen; 169 char *shrbuf = NULL; 170 size_t bufsz; 171 int rc = ENOMEM; 172 173 if ((rc = nvlist_pack(shrlist, &shrbuf, &bufsz, NV_ENCODE_XDR, 0)) != 0) 174 return (rc); 175 176 ioclen = sizeof (smb_ioc_share_t) + bufsz; 177 178 if ((ioc = malloc(ioclen)) != NULL) { 179 ioc->shrlen = bufsz; 180 bcopy(shrbuf, ioc->shr, bufsz); 181 rc = smb_kmod_ioctl(SMB_IOC_UNSHARE, &ioc->hdr, ioclen); 182 free(ioc); 183 } 184 185 free(shrbuf); 186 return (rc); 187 } 188 189 int 190 smb_kmod_shareinfo(char *shrname, boolean_t *shortnames) 191 { 192 smb_ioc_shareinfo_t ioc; 193 int rc; 194 195 bzero(&ioc, sizeof (ioc)); 196 (void) strlcpy(ioc.shrname, shrname, MAXNAMELEN); 197 198 rc = smb_kmod_ioctl(SMB_IOC_SHAREINFO, &ioc.hdr, sizeof (ioc)); 199 if (rc == 0) 200 *shortnames = ioc.shortnames; 201 else 202 *shortnames = B_TRUE; 203 204 return (rc); 205 } 206 207 int 208 smb_kmod_get_open_num(smb_opennum_t *opennum) 209 { 210 smb_ioc_opennum_t ioc; 211 int rc; 212 213 bzero(&ioc, sizeof (ioc)); 214 ioc.qualtype = opennum->qualtype; 215 (void) strlcpy(ioc.qualifier, opennum->qualifier, MAXNAMELEN); 216 217 rc = smb_kmod_ioctl(SMB_IOC_NUMOPEN, &ioc.hdr, sizeof (ioc)); 218 if (rc == 0) { 219 opennum->open_users = ioc.open_users; 220 opennum->open_trees = ioc.open_trees; 221 opennum->open_files = ioc.open_files; 222 } 223 224 return (rc); 225 } 226 227 int 228 smb_kmod_get_spool_doc(uint32_t *spool_num, char *username, 229 char *path, smb_inaddr_t *ipaddr) 230 { 231 smb_ioc_spooldoc_t ioc; 232 int rc; 233 234 bzero(&ioc, sizeof (ioc)); 235 rc = smb_kmod_ioctl(SMB_IOC_SPOOLDOC, &ioc.hdr, sizeof (ioc)); 236 if (rc == 0) { 237 *spool_num = ioc.spool_num; 238 (void) strlcpy(username, ioc.username, MAXNAMELEN); 239 (void) strlcpy(path, ioc.path, MAXPATHLEN); 240 *ipaddr = ioc.ipaddr; 241 } 242 return (rc); 243 } 244 245 /* 246 * Initialization for an smb_kmod_enum request. If this call succeeds, 247 * smb_kmod_enum_fini() must be called later to deallocate resources. 248 */ 249 smb_netsvc_t * 250 smb_kmod_enum_init(smb_svcenum_t *request) 251 { 252 smb_netsvc_t *ns; 253 smb_svcenum_t *svcenum; 254 smb_ioc_svcenum_t *ioc; 255 uint32_t ioclen; 256 257 if ((ns = calloc(1, sizeof (smb_netsvc_t))) == NULL) 258 return (NULL); 259 260 ioclen = sizeof (smb_ioc_svcenum_t) + SMB_IOC_DATA_SIZE; 261 if ((ioc = malloc(ioclen)) == NULL) { 262 free(ns); 263 return (NULL); 264 } 265 266 bzero(ioc, ioclen); 267 svcenum = &ioc->svcenum; 268 svcenum->se_type = request->se_type; 269 svcenum->se_level = request->se_level; 270 svcenum->se_bavail = SMB_IOC_DATA_SIZE; 271 svcenum->se_nlimit = request->se_nlimit; 272 svcenum->se_nskip = request->se_nskip; 273 svcenum->se_buflen = SMB_IOC_DATA_SIZE; 274 275 list_create(&ns->ns_list, sizeof (smb_netsvcitem_t), 276 offsetof(smb_netsvcitem_t, nsi_lnd)); 277 278 ns->ns_ioc = ioc; 279 ns->ns_ioclen = ioclen; 280 return (ns); 281 } 282 283 /* 284 * Cleanup resources allocated via smb_kmod_enum_init and smb_kmod_enum. 285 */ 286 void 287 smb_kmod_enum_fini(smb_netsvc_t *ns) 288 { 289 list_t *lst; 290 smb_netsvcitem_t *item; 291 smb_netuserinfo_t *user; 292 smb_netconnectinfo_t *tree; 293 smb_netfileinfo_t *ofile; 294 uint32_t se_type; 295 296 if (ns == NULL) 297 return; 298 299 lst = &ns->ns_list; 300 se_type = ns->ns_ioc->svcenum.se_type; 301 302 while ((item = list_head(lst)) != NULL) { 303 list_remove(lst, item); 304 305 switch (se_type) { 306 case SMB_SVCENUM_TYPE_USER: 307 user = &item->nsi_un.nsi_user; 308 free(user->ui_domain); 309 free(user->ui_account); 310 free(user->ui_workstation); 311 break; 312 case SMB_SVCENUM_TYPE_TREE: 313 tree = &item->nsi_un.nsi_tree; 314 free(tree->ci_username); 315 free(tree->ci_share); 316 break; 317 case SMB_SVCENUM_TYPE_FILE: 318 ofile = &item->nsi_un.nsi_ofile; 319 free(ofile->fi_path); 320 free(ofile->fi_username); 321 break; 322 default: 323 break; 324 } 325 } 326 327 list_destroy(&ns->ns_list); 328 free(ns->ns_items); 329 free(ns->ns_ioc); 330 free(ns); 331 } 332 333 /* 334 * Enumerate users, connections or files. 335 */ 336 int 337 smb_kmod_enum(smb_netsvc_t *ns) 338 { 339 smb_ioc_svcenum_t *ioc; 340 uint32_t ioclen; 341 smb_svcenum_t *svcenum; 342 smb_netsvcitem_t *items; 343 smb_netuserinfo_t *user; 344 smb_netconnectinfo_t *tree; 345 smb_netfileinfo_t *ofile; 346 uint8_t *data; 347 uint32_t len; 348 uint32_t se_type; 349 uint_t nbytes; 350 int i; 351 int rc; 352 353 ioc = ns->ns_ioc; 354 ioclen = ns->ns_ioclen; 355 rc = smb_kmod_ioctl(SMB_IOC_SVCENUM, &ioc->hdr, ioclen); 356 if (rc != 0) 357 return (rc); 358 359 svcenum = &ioc->svcenum; 360 items = calloc(svcenum->se_nitems, sizeof (smb_netsvcitem_t)); 361 if (items == NULL) 362 return (ENOMEM); 363 364 ns->ns_items = items; 365 se_type = ns->ns_ioc->svcenum.se_type; 366 data = svcenum->se_buf; 367 len = svcenum->se_bused; 368 369 for (i = 0; i < svcenum->se_nitems; ++i) { 370 switch (se_type) { 371 case SMB_SVCENUM_TYPE_USER: 372 user = &items->nsi_un.nsi_user; 373 rc = smb_netuserinfo_decode(user, data, len, &nbytes); 374 break; 375 case SMB_SVCENUM_TYPE_TREE: 376 tree = &items->nsi_un.nsi_tree; 377 rc = smb_netconnectinfo_decode(tree, data, len, 378 &nbytes); 379 break; 380 case SMB_SVCENUM_TYPE_FILE: 381 ofile = &items->nsi_un.nsi_ofile; 382 rc = smb_netfileinfo_decode(ofile, data, len, &nbytes); 383 break; 384 default: 385 rc = -1; 386 break; 387 } 388 389 if (rc != 0) 390 return (EINVAL); 391 392 list_insert_tail(&ns->ns_list, items); 393 394 ++items; 395 data += nbytes; 396 len -= nbytes; 397 } 398 399 return (0); 400 } 401 402 /* 403 * A NULL pointer is a wildcard indicator, which we pass on 404 * as an empty string (by virtue of the bzero). 405 */ 406 int 407 smb_kmod_session_close(const char *client, const char *username) 408 { 409 smb_ioc_session_t ioc; 410 int rc; 411 412 bzero(&ioc, sizeof (ioc)); 413 414 if (client != NULL) 415 (void) strlcpy(ioc.client, client, MAXNAMELEN); 416 if (username != NULL) 417 (void) strlcpy(ioc.username, username, MAXNAMELEN); 418 419 rc = smb_kmod_ioctl(SMB_IOC_SESSION_CLOSE, &ioc.hdr, sizeof (ioc)); 420 return (rc); 421 } 422 423 int 424 smb_kmod_file_close(uint32_t uniqid) 425 { 426 smb_ioc_fileid_t ioc; 427 int rc; 428 429 bzero(&ioc, sizeof (ioc)); 430 ioc.uniqid = uniqid; 431 432 rc = smb_kmod_ioctl(SMB_IOC_FILE_CLOSE, &ioc.hdr, sizeof (ioc)); 433 return (rc); 434 } 435 436 void 437 smb_kmod_unbind(void) 438 { 439 if (smbdrv_fd != -1) { 440 (void) close(smbdrv_fd); 441 smbdrv_fd = -1; 442 } 443 } 444 445 static int 446 smb_kmod_ioctl(int cmd, smb_ioc_header_t *ioc, uint32_t len) 447 { 448 int rc = EINVAL; 449 450 ioc->version = SMB_IOC_VERSION; 451 ioc->cmd = cmd; 452 ioc->len = len; 453 ioc->crc = 0; 454 ioc->crc = smb_crc_gen((uint8_t *)ioc, sizeof (smb_ioc_header_t)); 455 456 if (smbdrv_fd != -1) { 457 if (ioctl(smbdrv_fd, cmd, ioc) < 0) 458 rc = errno; 459 else 460 rc = 0; 461 } 462 return (rc); 463 } 464