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 2007 Sun Microsystems, Inc. All rights reserved. 23 * Use is subject to license terms. 24 */ 25 26 #pragma ident "%Z%%M% %I% %E% SMI" 27 28 29 #include <sys/param.h> 30 #include <sys/types.h> 31 #include <sys/systm.h> 32 #include <sys/user.h> 33 #include <sys/vnode.h> 34 #include <sys/file.h> 35 #include <sys/dirent.h> 36 #include <sys/vfs.h> 37 #include <sys/stream.h> 38 #include <sys/strsubr.h> 39 #include <sys/debug.h> 40 #include <sys/t_lock.h> 41 #include <sys/acl.h> 42 43 #include <rpc/types.h> 44 #include <rpc/xdr.h> 45 46 #include <nfs/nfs.h> 47 #include <nfs/nfs_clnt.h> 48 #include <nfs/nfs_acl.h> 49 50 /* 51 * These are the XDR routines used to serialize and deserialize 52 * the various structures passed as parameters accross the network 53 * between ACL clients and servers. 54 */ 55 56 bool_t 57 xdr_uid(XDR *xdrs, uid32_t *objp) 58 { 59 if (!xdr_u_int(xdrs, objp)) 60 return (FALSE); 61 return (TRUE); 62 } 63 64 bool_t 65 xdr_o_mode(XDR *xdrs, o_mode *objp) 66 { 67 68 if (!xdr_u_short(xdrs, (ushort_t *)objp)) 69 return (FALSE); 70 return (TRUE); 71 } 72 73 bool_t 74 xdr_aclent(XDR *xdrs, aclent_t *objp) 75 { 76 77 if (!xdr_int(xdrs, &objp->a_type)) 78 return (FALSE); 79 if (!xdr_uid(xdrs, &objp->a_id)) 80 return (FALSE); 81 if (!xdr_o_mode(xdrs, &objp->a_perm)) 82 return (FALSE); 83 return (TRUE); 84 } 85 86 bool_t 87 xdr_secattr(XDR *xdrs, vsecattr_t *objp) 88 { 89 uint_t count; 90 91 if (!xdr_u_int(xdrs, &objp->vsa_mask)) 92 return (FALSE); 93 if (!xdr_int(xdrs, &objp->vsa_aclcnt)) 94 return (FALSE); 95 if (objp->vsa_aclentp != NULL) 96 count = (uint_t)objp->vsa_aclcnt; 97 else 98 count = 0; 99 if (!xdr_array(xdrs, (char **)&objp->vsa_aclentp, &count, 100 NFS_ACL_MAX_ENTRIES, sizeof (aclent_t), (xdrproc_t)xdr_aclent)) 101 return (FALSE); 102 if (count != 0 && count != (uint_t)objp->vsa_aclcnt) { 103 /* 104 * Assign the actual array size to vsa_aclcnt before 105 * aborting on error 106 */ 107 objp->vsa_aclcnt = (int)count; 108 return (FALSE); 109 } 110 if (!xdr_int(xdrs, &objp->vsa_dfaclcnt)) 111 return (FALSE); 112 if (objp->vsa_dfaclentp != NULL) 113 count = (uint_t)objp->vsa_dfaclcnt; 114 else 115 count = 0; 116 if (!xdr_array(xdrs, (char **)&objp->vsa_dfaclentp, &count, 117 NFS_ACL_MAX_ENTRIES, sizeof (aclent_t), (xdrproc_t)xdr_aclent)) 118 return (FALSE); 119 if (count != 0 && count != (uint_t)objp->vsa_dfaclcnt) { 120 /* 121 * Assign the actual array size to vsa_dfaclcnt before 122 * aborting on error 123 */ 124 objp->vsa_dfaclcnt = (int)count; 125 return (FALSE); 126 } 127 return (TRUE); 128 } 129 130 bool_t 131 xdr_GETACL2args(XDR *xdrs, GETACL2args *objp) 132 { 133 134 if (!xdr_fhandle(xdrs, &objp->fh)) 135 return (FALSE); 136 if (!xdr_u_int(xdrs, &objp->mask)) 137 return (FALSE); 138 return (TRUE); 139 } 140 bool_t 141 xdr_fastGETACL2args(XDR *xdrs, GETACL2args **objpp) 142 { 143 int32_t *ptr; 144 #ifdef _LITTLE_ENDIAN 145 GETACL2args *objp; 146 #endif 147 148 if (xdrs->x_op != XDR_DECODE) 149 return (FALSE); 150 151 ptr = XDR_INLINE(xdrs, RNDUP(sizeof (GETACL2args))); 152 if (ptr != NULL) { 153 *objpp = (GETACL2args *)ptr; 154 #ifdef _LITTLE_ENDIAN 155 objp = (GETACL2args *)ptr; 156 objp->mask = ntohl(objp->mask); 157 #endif 158 return (TRUE); 159 } 160 161 return (FALSE); 162 } 163 164 bool_t 165 xdr_GETACL2resok(XDR *xdrs, GETACL2resok *objp) 166 { 167 168 if (!xdr_fattr(xdrs, &objp->attr)) 169 return (FALSE); 170 if (!xdr_secattr(xdrs, &objp->acl)) 171 return (FALSE); 172 return (TRUE); 173 } 174 175 bool_t 176 xdr_GETACL2res(XDR *xdrs, GETACL2res *objp) 177 { 178 179 if (!xdr_enum(xdrs, (enum_t *)&objp->status)) 180 return (FALSE); 181 switch (objp->status) { 182 case NFS_OK: 183 if (!xdr_GETACL2resok(xdrs, &objp->resok)) 184 return (FALSE); 185 break; 186 } 187 return (TRUE); 188 } 189 190 bool_t 191 xdr_SETACL2args(XDR *xdrs, SETACL2args *objp) 192 { 193 194 if (!xdr_fhandle(xdrs, &objp->fh)) 195 return (FALSE); 196 if (!xdr_secattr(xdrs, &objp->acl)) 197 return (FALSE); 198 return (TRUE); 199 } 200 201 bool_t 202 xdr_SETACL2resok(XDR *xdrs, SETACL2resok *objp) 203 { 204 205 if (!xdr_fattr(xdrs, &objp->attr)) 206 return (FALSE); 207 return (TRUE); 208 } 209 #ifdef _LITTLE_ENDIAN 210 bool_t 211 xdr_fastSETACL2resok(XDR *xdrs, SETACL2resok *objp) 212 { 213 214 if (!xdr_fastfattr(xdrs, &objp->attr)) 215 return (FALSE); 216 return (TRUE); 217 } 218 #endif 219 220 bool_t 221 xdr_SETACL2res(XDR *xdrs, SETACL2res *objp) 222 { 223 224 if (!xdr_enum(xdrs, (enum_t *)&objp->status)) 225 return (FALSE); 226 switch (objp->status) { 227 case NFS_OK: 228 if (!xdr_SETACL2resok(xdrs, &objp->resok)) 229 return (FALSE); 230 break; 231 } 232 return (TRUE); 233 } 234 #ifdef _LITTLE_ENDIAN 235 bool_t 236 xdr_fastSETACL2res(XDR *xdrs, SETACL2res *objp) 237 { 238 239 if (!xdr_fastenum(xdrs, (enum_t *)&objp->status)) 240 return (FALSE); 241 switch (objp->status) { 242 case NFS_OK: 243 if (!xdr_fastSETACL2resok(xdrs, &objp->resok)) 244 return (FALSE); 245 break; 246 } 247 return (TRUE); 248 } 249 #endif 250 251 bool_t 252 xdr_GETATTR2args(XDR *xdrs, GETATTR2args *objp) 253 { 254 255 if (!xdr_fhandle(xdrs, &objp->fh)) 256 return (FALSE); 257 return (TRUE); 258 } 259 bool_t 260 xdr_fastGETATTR2args(XDR *xdrs, GETATTR2args **objpp) 261 { 262 int32_t *ptr; 263 264 if (xdrs->x_op != XDR_DECODE) 265 return (FALSE); 266 267 ptr = XDR_INLINE(xdrs, RNDUP(sizeof (GETATTR2args))); 268 if (ptr != NULL) { 269 *objpp = (GETATTR2args *)ptr; 270 return (TRUE); 271 } 272 273 return (FALSE); 274 } 275 276 bool_t 277 xdr_GETATTR2resok(XDR *xdrs, GETATTR2resok *objp) 278 { 279 280 if (!xdr_fattr(xdrs, &objp->attr)) 281 return (FALSE); 282 return (TRUE); 283 } 284 #ifdef _LITTLE_ENDIAN 285 bool_t 286 xdr_fastGETATTR2resok(XDR *xdrs, GETATTR2resok *objp) 287 { 288 289 if (!xdr_fastfattr(xdrs, &objp->attr)) 290 return (FALSE); 291 return (TRUE); 292 } 293 #endif 294 295 bool_t 296 xdr_GETATTR2res(XDR *xdrs, GETATTR2res *objp) 297 { 298 299 if (!xdr_enum(xdrs, (enum_t *)&objp->status)) 300 return (FALSE); 301 switch (objp->status) { 302 case NFS_OK: 303 if (!xdr_GETATTR2resok(xdrs, &objp->resok)) 304 return (FALSE); 305 break; 306 } 307 return (TRUE); 308 } 309 #ifdef _LITTLE_ENDIAN 310 bool_t 311 xdr_fastGETATTR2res(XDR *xdrs, GETATTR2res *objp) 312 { 313 314 if (!xdr_fastenum(xdrs, (enum_t *)&objp->status)) 315 return (FALSE); 316 switch (objp->status) { 317 case NFS_OK: 318 if (!xdr_fastGETATTR2resok(xdrs, &objp->resok)) 319 return (FALSE); 320 break; 321 } 322 return (TRUE); 323 } 324 #endif 325 326 bool_t 327 xdr_ACCESS2args(XDR *xdrs, ACCESS2args *objp) 328 { 329 330 if (!xdr_fhandle(xdrs, &objp->fh)) 331 return (FALSE); 332 if (!xdr_uint32(xdrs, &objp->access)) 333 return (FALSE); 334 return (TRUE); 335 } 336 bool_t 337 xdr_fastACCESS2args(XDR *xdrs, ACCESS2args **objpp) 338 { 339 int32_t *ptr; 340 #ifdef _LITTLE_ENDIAN 341 ACCESS2args *objp; 342 #endif 343 344 if (xdrs->x_op != XDR_DECODE) 345 return (FALSE); 346 347 ptr = XDR_INLINE(xdrs, RNDUP(sizeof (ACCESS2args))); 348 if (ptr != NULL) { 349 *objpp = (ACCESS2args *)ptr; 350 #ifdef _LITTLE_ENDIAN 351 objp = (ACCESS2args *)ptr; 352 objp->access = ntohl(objp->access); 353 #endif 354 return (TRUE); 355 } 356 357 return (FALSE); 358 } 359 360 bool_t 361 xdr_ACCESS2resok(XDR *xdrs, ACCESS2resok *objp) 362 { 363 364 if (!xdr_fattr(xdrs, &objp->attr)) 365 return (FALSE); 366 if (!xdr_uint32(xdrs, &objp->access)) 367 return (FALSE); 368 return (TRUE); 369 } 370 #ifdef _LITTLE_ENDIAN 371 bool_t 372 xdr_fastACCESS2resok(XDR *xdrs, ACCESS2resok *objp) 373 { 374 375 if (!xdr_fastfattr(xdrs, &objp->attr)) 376 return (FALSE); 377 objp->access = ntohl(objp->access); 378 return (TRUE); 379 } 380 #endif 381 382 bool_t 383 xdr_ACCESS2res(XDR *xdrs, ACCESS2res *objp) 384 { 385 386 if (!xdr_enum(xdrs, (enum_t *)&objp->status)) 387 return (FALSE); 388 switch (objp->status) { 389 case NFS_OK: 390 if (!xdr_ACCESS2resok(xdrs, &objp->resok)) 391 return (FALSE); 392 break; 393 } 394 return (TRUE); 395 } 396 #ifdef _LITTLE_ENDIAN 397 bool_t 398 xdr_fastACCESS2res(XDR *xdrs, ACCESS2res *objp) 399 { 400 401 if (!xdr_fastenum(xdrs, (enum_t *)&objp->status)) 402 return (FALSE); 403 switch (objp->status) { 404 case NFS_OK: 405 if (!xdr_fastACCESS2resok(xdrs, &objp->resok)) 406 return (FALSE); 407 break; 408 } 409 return (TRUE); 410 } 411 #endif 412 413 bool_t 414 xdr_GETXATTRDIR2args(XDR *xdrs, GETXATTRDIR2args *objp) 415 { 416 if (!xdr_fhandle(xdrs, &objp->fh)) 417 return (FALSE); 418 if (!xdr_bool(xdrs, &objp->create)) 419 return (FALSE); 420 return (TRUE); 421 } 422 423 bool_t 424 xdr_GETXATTRDIR2resok(XDR *xdrs, GETXATTRDIR2resok *objp) 425 { 426 if (!xdr_fhandle(xdrs, &objp->fh)) 427 return (FALSE); 428 if (!xdr_fattr(xdrs, &objp->attr)) 429 return (FALSE); 430 return (TRUE); 431 } 432 433 bool_t 434 xdr_GETXATTRDIR2res(XDR *xdrs, GETXATTRDIR2res *objp) 435 { 436 if (!xdr_enum(xdrs, (enum_t *)&objp->status)) 437 return (FALSE); 438 switch (objp->status) { 439 case NFS_OK: 440 if (!xdr_GETXATTRDIR2resok(xdrs, &objp->resok)) 441 return (FALSE); 442 break; 443 } 444 return (TRUE); 445 } 446 447 bool_t 448 xdr_GETACL3args(XDR *xdrs, GETACL3args *objp) 449 { 450 451 switch (xdrs->x_op) { 452 case XDR_FREE: 453 case XDR_ENCODE: 454 if (!xdr_nfs_fh3(xdrs, &objp->fh)) 455 return (FALSE); 456 break; 457 case XDR_DECODE: 458 if (!xdr_nfs_fh3_server(xdrs, &objp->fh)) 459 return (FALSE); 460 break; 461 } 462 if (!xdr_u_int(xdrs, &objp->mask)) 463 return (FALSE); 464 return (TRUE); 465 } 466 467 bool_t 468 xdr_GETACL3resok(XDR *xdrs, GETACL3resok *objp) 469 { 470 471 if (!xdr_post_op_attr(xdrs, &objp->attr)) 472 return (FALSE); 473 if (!xdr_secattr(xdrs, &objp->acl)) 474 return (FALSE); 475 return (TRUE); 476 } 477 478 bool_t 479 xdr_GETACL3resfail(XDR *xdrs, GETACL3resfail *objp) 480 { 481 482 if (!xdr_post_op_attr(xdrs, &objp->attr)) 483 return (FALSE); 484 return (TRUE); 485 } 486 487 bool_t 488 xdr_GETACL3res(XDR *xdrs, GETACL3res *objp) 489 { 490 491 if (!xdr_enum(xdrs, (enum_t *)&objp->status)) 492 return (FALSE); 493 switch (objp->status) { 494 case NFS3_OK: 495 if (!xdr_GETACL3resok(xdrs, &objp->resok)) 496 return (FALSE); 497 break; 498 default: 499 if (!xdr_GETACL3resfail(xdrs, &objp->resfail)) 500 return (FALSE); 501 break; 502 } 503 return (TRUE); 504 } 505 506 bool_t 507 xdr_SETACL3args(XDR *xdrs, SETACL3args *objp) 508 { 509 510 switch (xdrs->x_op) { 511 case XDR_FREE: 512 case XDR_ENCODE: 513 if (!xdr_nfs_fh3(xdrs, &objp->fh)) 514 return (FALSE); 515 break; 516 case XDR_DECODE: 517 if (!xdr_nfs_fh3_server(xdrs, &objp->fh)) 518 return (FALSE); 519 break; 520 } 521 if (!xdr_secattr(xdrs, &objp->acl)) 522 return (FALSE); 523 return (TRUE); 524 } 525 526 bool_t 527 xdr_SETACL3resok(XDR *xdrs, SETACL3resok *objp) 528 { 529 530 if (!xdr_post_op_attr(xdrs, &objp->attr)) 531 return (FALSE); 532 return (TRUE); 533 } 534 535 bool_t 536 xdr_SETACL3resfail(XDR *xdrs, SETACL3resfail *objp) 537 { 538 539 if (!xdr_post_op_attr(xdrs, &objp->attr)) 540 return (FALSE); 541 return (TRUE); 542 } 543 544 bool_t 545 xdr_SETACL3res(XDR *xdrs, SETACL3res *objp) 546 { 547 548 if (!xdr_enum(xdrs, (enum_t *)&objp->status)) 549 return (FALSE); 550 switch (objp->status) { 551 case NFS3_OK: 552 if (!xdr_SETACL3resok(xdrs, &objp->resok)) 553 return (FALSE); 554 break; 555 default: 556 if (!xdr_SETACL3resfail(xdrs, &objp->resfail)) 557 return (FALSE); 558 break; 559 } 560 return (TRUE); 561 } 562 563 bool_t 564 xdr_GETXATTRDIR3args(XDR *xdrs, GETXATTRDIR3args *objp) 565 { 566 switch (xdrs->x_op) { 567 case XDR_FREE: 568 case XDR_ENCODE: 569 if (!xdr_nfs_fh3(xdrs, &objp->fh)) 570 return (FALSE); 571 break; 572 case XDR_DECODE: 573 if (!xdr_nfs_fh3_server(xdrs, &objp->fh)) 574 return (FALSE); 575 break; 576 } 577 if (!xdr_bool(xdrs, &objp->create)) 578 return (FALSE); 579 return (TRUE); 580 } 581 582 bool_t 583 xdr_GETXATTRDIR3resok(XDR *xdrs, GETXATTRDIR3resok *objp) 584 { 585 switch (xdrs->x_op) { 586 case XDR_ENCODE: 587 if (!xdr_nfs_fh3_server(xdrs, &objp->fh)) 588 return (FALSE); 589 break; 590 case XDR_FREE: 591 case XDR_DECODE: 592 if (!xdr_nfs_fh3(xdrs, &objp->fh)) 593 return (FALSE); 594 break; 595 } 596 if (!xdr_post_op_attr(xdrs, &objp->attr)) 597 return (FALSE); 598 return (TRUE); 599 } 600 601 bool_t 602 xdr_GETXATTRDIR3res(XDR *xdrs, GETXATTRDIR3res *objp) 603 { 604 if (!xdr_enum(xdrs, (enum_t *)&objp->status)) 605 return (FALSE); 606 switch (objp->status) { 607 case NFS_OK: 608 if (!xdr_GETXATTRDIR3resok(xdrs, &objp->resok)) 609 return (FALSE); 610 break; 611 } 612 return (TRUE); 613 } 614