1 /*- 2 * Copyright (c) 2008, 2009 Edward Tomasz Napierała <trasz@FreeBSD.org> 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 */ 26 27 #include <sys/cdefs.h> 28 __FBSDID("$FreeBSD$"); 29 30 #include <stdio.h> 31 #include <stdlib.h> 32 #include <string.h> 33 #include <assert.h> 34 #include <err.h> 35 #include <sys/acl.h> 36 #include "acl_support.h" 37 38 struct flagnames_struct { 39 uint32_t flag; 40 const char *name; 41 char letter; 42 }; 43 44 struct flagnames_struct a_flags[] = 45 {{ ACL_ENTRY_FILE_INHERIT, "file_inherit", 'f'}, 46 { ACL_ENTRY_DIRECTORY_INHERIT, "dir_inherit", 'd'}, 47 { ACL_ENTRY_INHERIT_ONLY, "inherit_only", 'i'}, 48 { ACL_ENTRY_NO_PROPAGATE_INHERIT, "no_propagate", 'n'}, 49 { ACL_ENTRY_SUCCESSFUL_ACCESS, "successfull_access", 'S'}, 50 { ACL_ENTRY_FAILED_ACCESS, "failed_access", 'F'}, 51 /* 52 * There is no ACE_IDENTIFIER_GROUP here - SunOS does not show it 53 * in the "flags" field. There is no ACE_OWNER, ACE_GROUP or 54 * ACE_EVERYONE either, for obvious reasons. 55 */ 56 { 0, 0, 0}}; 57 58 struct flagnames_struct a_access_masks[] = 59 {{ ACL_READ_DATA, "read_data", 'r'}, 60 { ACL_WRITE_DATA, "write_data", 'w'}, 61 { ACL_EXECUTE, "execute", 'x'}, 62 { ACL_APPEND_DATA, "append_data", 'p'}, 63 { ACL_DELETE_CHILD, "delete_child", 'D'}, 64 { ACL_DELETE, "delete", 'd'}, 65 { ACL_READ_ATTRIBUTES, "read_attributes", 'a'}, 66 { ACL_WRITE_ATTRIBUTES, "write_attributes", 'A'}, 67 { ACL_READ_NAMED_ATTRS, "read_xattr", 'R'}, 68 { ACL_WRITE_NAMED_ATTRS, "write_xattr", 'W'}, 69 { ACL_READ_ACL, "read_acl", 'c'}, 70 { ACL_WRITE_ACL, "write_acl", 'C'}, 71 { ACL_WRITE_OWNER, "write_owner", 'o'}, 72 { ACL_SYNCHRONIZE, "synchronize", 's'}, 73 { 0, 0, 0}}; 74 75 static const char * 76 format_flag(uint32_t *var, const struct flagnames_struct *flags) 77 { 78 79 for (; flags->name != 0; flags++) { 80 if ((flags->flag & *var) == 0) 81 continue; 82 83 *var &= ~flags->flag; 84 return (flags->name); 85 } 86 87 return (NULL); 88 } 89 90 static int 91 format_flags_verbose(char *str, size_t size, uint32_t var, 92 const struct flagnames_struct *flags) 93 { 94 size_t off = 0; 95 const char *tmp; 96 97 while ((tmp = format_flag(&var, flags)) != NULL) { 98 off += snprintf(str + off, size - off, "%s/", tmp); 99 assert (off < size); 100 } 101 102 /* If there were any flags added... */ 103 if (off > 0) { 104 off--; 105 /* ... then remove the last slash. */ 106 assert(str[off] == '/'); 107 } 108 109 str[off] = '\0'; 110 111 return (0); 112 } 113 114 static int 115 format_flags_compact(char *str, size_t size, uint32_t var, 116 const struct flagnames_struct *flags) 117 { 118 size_t i; 119 120 for (i = 0; flags[i].name != NULL; i++) { 121 assert(i < size); 122 if ((flags[i].flag & var) == 0) 123 str[i] = '-'; 124 else 125 str[i] = flags[i].letter; 126 } 127 128 str[i] = '\0'; 129 130 return (0); 131 } 132 133 static int 134 parse_flags_verbose(const char *strp, uint32_t *var, 135 const struct flagnames_struct *flags, const char *flags_name, 136 int *try_compact) 137 { 138 int i, found, ever_found = 0; 139 char *str, *flag; 140 141 str = strdup(strp); 142 *try_compact = 0; 143 *var = 0; 144 145 while (str != NULL) { 146 flag = strsep(&str, "/:"); 147 148 found = 0; 149 for (i = 0; flags[i].name != NULL; i++) { 150 if (strcmp(flags[i].name, flag) == 0) { 151 *var |= flags[i].flag; 152 found = 1; 153 ever_found = 1; 154 } 155 } 156 157 if (!found) { 158 if (ever_found) 159 warnx("malformed ACL: \"%s\" field contains " 160 "invalid flag \"%s\"", flags_name, flag); 161 else 162 *try_compact = 1; 163 free(str); 164 return (-1); 165 } 166 } 167 168 free(str); 169 return (0); 170 } 171 172 static int 173 parse_flags_compact(const char *str, uint32_t *var, 174 const struct flagnames_struct *flags, const char *flags_name) 175 { 176 int i, j, found; 177 178 *var = 0; 179 180 for (i = 0;; i++) { 181 if (str[i] == '\0') 182 return (0); 183 184 /* Ignore minus signs. */ 185 if (str[i] == '-') 186 continue; 187 188 found = 0; 189 190 for (j = 0; flags[j].name != NULL; j++) { 191 if (flags[j].letter == str[i]) { 192 *var |= flags[j].flag; 193 found = 1; 194 break; 195 } 196 } 197 198 if (!found) { 199 warnx("malformed ACL: \"%s\" field contains " 200 "invalid flag \"%c\"", flags_name, str[i]); 201 return (-1); 202 } 203 } 204 } 205 206 int 207 _nfs4_format_flags(char *str, size_t size, acl_flag_t var, int verbose) 208 { 209 210 if (verbose) 211 return (format_flags_verbose(str, size, var, a_flags)); 212 213 return (format_flags_compact(str, size, var, a_flags)); 214 } 215 216 int 217 _nfs4_format_access_mask(char *str, size_t size, acl_perm_t var, int verbose) 218 { 219 220 if (verbose) 221 return (format_flags_verbose(str, size, var, a_access_masks)); 222 223 return (format_flags_compact(str, size, var, a_access_masks)); 224 } 225 226 int 227 _nfs4_parse_flags(const char *str, acl_flag_t *flags) 228 { 229 int error, try_compact; 230 int tmpflags; 231 232 error = parse_flags_verbose(str, &tmpflags, a_flags, "flags", &try_compact); 233 if (error && try_compact) 234 error = parse_flags_compact(str, &tmpflags, a_flags, "flags"); 235 236 *flags = tmpflags; 237 238 return (error); 239 } 240 241 int 242 _nfs4_parse_access_mask(const char *str, acl_perm_t *perms) 243 { 244 int error, try_compact; 245 int tmpperms; 246 247 error = parse_flags_verbose(str, &tmpperms, a_access_masks, 248 "access permissions", &try_compact); 249 if (error && try_compact) 250 error = parse_flags_compact(str, &tmpperms, 251 a_access_masks, "access permissions"); 252 253 *perms = tmpperms; 254 255 return (error); 256 } 257 /*- 258 * Copyright (c) 2008, 2009 Edward Tomasz Napierała <trasz@FreeBSD.org> 259 * All rights reserved. 260 * 261 * Redistribution and use in source and binary forms, with or without 262 * modification, are permitted provided that the following conditions 263 * are met: 264 * 1. Redistributions of source code must retain the above copyright 265 * notice, this list of conditions and the following disclaimer. 266 * 2. Redistributions in binary form must reproduce the above copyright 267 * notice, this list of conditions and the following disclaimer in the 268 * documentation and/or other materials provided with the distribution. 269 * 270 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 271 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 272 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 273 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 274 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 275 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 276 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 277 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 278 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 279 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 280 * SUCH DAMAGE. 281 */ 282 283 #include <sys/cdefs.h> 284 __FBSDID("$FreeBSD$"); 285 286 #include <stdio.h> 287 #include <stdlib.h> 288 #include <string.h> 289 #include <assert.h> 290 #include <err.h> 291 #include <sys/acl.h> 292 #include "acl_support.h" 293 294 struct flagnames_struct { 295 uint32_t flag; 296 const char *name; 297 char letter; 298 }; 299 300 struct flagnames_struct a_flags[] = 301 {{ ACL_ENTRY_FILE_INHERIT, "file_inherit", 'f'}, 302 { ACL_ENTRY_DIRECTORY_INHERIT, "dir_inherit", 'd'}, 303 { ACL_ENTRY_INHERIT_ONLY, "inherit_only", 'i'}, 304 { ACL_ENTRY_NO_PROPAGATE_INHERIT, "no_propagate", 'n'}, 305 { ACL_ENTRY_SUCCESSFUL_ACCESS, "successfull_access", 'S'}, 306 { ACL_ENTRY_FAILED_ACCESS, "failed_access", 'F'}, 307 /* 308 * There is no ACE_IDENTIFIER_GROUP here - SunOS does not show it 309 * in the "flags" field. There is no ACE_OWNER, ACE_GROUP or 310 * ACE_EVERYONE either, for obvious reasons. 311 */ 312 { 0, 0, 0}}; 313 314 struct flagnames_struct a_access_masks[] = 315 {{ ACL_READ_DATA, "read_data", 'r'}, 316 { ACL_WRITE_DATA, "write_data", 'w'}, 317 { ACL_EXECUTE, "execute", 'x'}, 318 { ACL_APPEND_DATA, "append_data", 'p'}, 319 { ACL_DELETE_CHILD, "delete_child", 'D'}, 320 { ACL_DELETE, "delete", 'd'}, 321 { ACL_READ_ATTRIBUTES, "read_attributes", 'a'}, 322 { ACL_WRITE_ATTRIBUTES, "write_attributes", 'A'}, 323 { ACL_READ_NAMED_ATTRS, "read_xattr", 'R'}, 324 { ACL_WRITE_NAMED_ATTRS, "write_xattr", 'W'}, 325 { ACL_READ_ACL, "read_acl", 'c'}, 326 { ACL_WRITE_ACL, "write_acl", 'C'}, 327 { ACL_WRITE_OWNER, "write_owner", 'o'}, 328 { ACL_SYNCHRONIZE, "synchronize", 's'}, 329 { 0, 0, 0}}; 330 331 static const char * 332 format_flag(uint32_t *var, const struct flagnames_struct *flags) 333 { 334 335 for (; flags->name != 0; flags++) { 336 if ((flags->flag & *var) == 0) 337 continue; 338 339 *var &= ~flags->flag; 340 return (flags->name); 341 } 342 343 return (NULL); 344 } 345 346 static int 347 format_flags_verbose(char *str, size_t size, uint32_t var, 348 const struct flagnames_struct *flags) 349 { 350 size_t off = 0; 351 const char *tmp; 352 353 while ((tmp = format_flag(&var, flags)) != NULL) { 354 off += snprintf(str + off, size - off, "%s/", tmp); 355 assert (off < size); 356 } 357 358 /* If there were any flags added... */ 359 if (off > 0) { 360 off--; 361 /* ... then remove the last slash. */ 362 assert(str[off] == '/'); 363 } 364 365 str[off] = '\0'; 366 367 return (0); 368 } 369 370 static int 371 format_flags_compact(char *str, size_t size, uint32_t var, 372 const struct flagnames_struct *flags) 373 { 374 size_t i; 375 376 for (i = 0; flags[i].name != NULL; i++) { 377 assert(i < size); 378 if ((flags[i].flag & var) == 0) 379 str[i] = '-'; 380 else 381 str[i] = flags[i].letter; 382 } 383 384 str[i] = '\0'; 385 386 return (0); 387 } 388 389 static int 390 parse_flags_verbose(const char *strp, uint32_t *var, 391 const struct flagnames_struct *flags, const char *flags_name, 392 int *try_compact) 393 { 394 int i, found, ever_found = 0; 395 char *str, *flag; 396 397 str = strdup(strp); 398 *try_compact = 0; 399 *var = 0; 400 401 while (str != NULL) { 402 flag = strsep(&str, "/:"); 403 404 found = 0; 405 for (i = 0; flags[i].name != NULL; i++) { 406 if (strcmp(flags[i].name, flag) == 0) { 407 *var |= flags[i].flag; 408 found = 1; 409 ever_found = 1; 410 } 411 } 412 413 if (!found) { 414 if (ever_found) 415 warnx("malformed ACL: \"%s\" field contains " 416 "invalid flag \"%s\"", flags_name, flag); 417 else 418 *try_compact = 1; 419 free(str); 420 return (-1); 421 } 422 } 423 424 free(str); 425 return (0); 426 } 427 428 static int 429 parse_flags_compact(const char *str, uint32_t *var, 430 const struct flagnames_struct *flags, const char *flags_name) 431 { 432 int i, j, found; 433 434 *var = 0; 435 436 for (i = 0;; i++) { 437 if (str[i] == '\0') 438 return (0); 439 440 /* Ignore minus signs. */ 441 if (str[i] == '-') 442 continue; 443 444 found = 0; 445 446 for (j = 0; flags[j].name != NULL; j++) { 447 if (flags[j].letter == str[i]) { 448 *var |= flags[j].flag; 449 found = 1; 450 break; 451 } 452 } 453 454 if (!found) { 455 warnx("malformed ACL: \"%s\" field contains " 456 "invalid flag \"%c\"", flags_name, str[i]); 457 return (-1); 458 } 459 } 460 } 461 462 int 463 _nfs4_format_flags(char *str, size_t size, acl_flag_t var, int verbose) 464 { 465 466 if (verbose) 467 return (format_flags_verbose(str, size, var, a_flags)); 468 469 return (format_flags_compact(str, size, var, a_flags)); 470 } 471 472 int 473 _nfs4_format_access_mask(char *str, size_t size, acl_perm_t var, int verbose) 474 { 475 476 if (verbose) 477 return (format_flags_verbose(str, size, var, a_access_masks)); 478 479 return (format_flags_compact(str, size, var, a_access_masks)); 480 } 481 482 int 483 _nfs4_parse_flags(const char *str, acl_flag_t *flags) 484 { 485 int error, try_compact; 486 int tmpflags; 487 488 error = parse_flags_verbose(str, &tmpflags, a_flags, "flags", &try_compact); 489 if (error && try_compact) 490 error = parse_flags_compact(str, &tmpflags, a_flags, "flags"); 491 492 *flags = tmpflags; 493 494 return (error); 495 } 496 497 int 498 _nfs4_parse_access_mask(const char *str, acl_perm_t *perms) 499 { 500 int error, try_compact; 501 int tmpperms; 502 503 error = parse_flags_verbose(str, &tmpperms, a_access_masks, 504 "access permissions", &try_compact); 505 if (error && try_compact) 506 error = parse_flags_compact(str, &tmpperms, 507 a_access_masks, "access permissions"); 508 509 *perms = tmpperms; 510 511 return (error); 512 } 513 /*- 514 * Copyright (c) 2008, 2009 Edward Tomasz Napierała <trasz@FreeBSD.org> 515 * All rights reserved. 516 * 517 * Redistribution and use in source and binary forms, with or without 518 * modification, are permitted provided that the following conditions 519 * are met: 520 * 1. Redistributions of source code must retain the above copyright 521 * notice, this list of conditions and the following disclaimer. 522 * 2. Redistributions in binary form must reproduce the above copyright 523 * notice, this list of conditions and the following disclaimer in the 524 * documentation and/or other materials provided with the distribution. 525 * 526 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 527 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 528 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 529 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 530 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 531 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 532 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 533 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 534 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 535 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 536 * SUCH DAMAGE. 537 */ 538 539 #include <sys/cdefs.h> 540 __FBSDID("$FreeBSD$"); 541 542 #include <stdio.h> 543 #include <stdlib.h> 544 #include <string.h> 545 #include <assert.h> 546 #include <err.h> 547 #include <sys/acl.h> 548 #include "acl_support.h" 549 550 struct flagnames_struct { 551 uint32_t flag; 552 const char *name; 553 char letter; 554 }; 555 556 struct flagnames_struct a_flags[] = 557 {{ ACL_ENTRY_FILE_INHERIT, "file_inherit", 'f'}, 558 { ACL_ENTRY_DIRECTORY_INHERIT, "dir_inherit", 'd'}, 559 { ACL_ENTRY_INHERIT_ONLY, "inherit_only", 'i'}, 560 { ACL_ENTRY_NO_PROPAGATE_INHERIT, "no_propagate", 'n'}, 561 { ACL_ENTRY_SUCCESSFUL_ACCESS, "successfull_access", 'S'}, 562 { ACL_ENTRY_FAILED_ACCESS, "failed_access", 'F'}, 563 /* 564 * There is no ACE_IDENTIFIER_GROUP here - SunOS does not show it 565 * in the "flags" field. There is no ACE_OWNER, ACE_GROUP or 566 * ACE_EVERYONE either, for obvious reasons. 567 */ 568 { 0, 0, 0}}; 569 570 struct flagnames_struct a_access_masks[] = 571 {{ ACL_READ_DATA, "read_data", 'r'}, 572 { ACL_WRITE_DATA, "write_data", 'w'}, 573 { ACL_EXECUTE, "execute", 'x'}, 574 { ACL_APPEND_DATA, "append_data", 'p'}, 575 { ACL_DELETE_CHILD, "delete_child", 'D'}, 576 { ACL_DELETE, "delete", 'd'}, 577 { ACL_READ_ATTRIBUTES, "read_attributes", 'a'}, 578 { ACL_WRITE_ATTRIBUTES, "write_attributes", 'A'}, 579 { ACL_READ_NAMED_ATTRS, "read_xattr", 'R'}, 580 { ACL_WRITE_NAMED_ATTRS, "write_xattr", 'W'}, 581 { ACL_READ_ACL, "read_acl", 'c'}, 582 { ACL_WRITE_ACL, "write_acl", 'C'}, 583 { ACL_WRITE_OWNER, "write_owner", 'o'}, 584 { ACL_SYNCHRONIZE, "synchronize", 's'}, 585 { 0, 0, 0}}; 586 587 static const char * 588 format_flag(uint32_t *var, const struct flagnames_struct *flags) 589 { 590 591 for (; flags->name != 0; flags++) { 592 if ((flags->flag & *var) == 0) 593 continue; 594 595 *var &= ~flags->flag; 596 return (flags->name); 597 } 598 599 return (NULL); 600 } 601 602 static int 603 format_flags_verbose(char *str, size_t size, uint32_t var, 604 const struct flagnames_struct *flags) 605 { 606 size_t off = 0; 607 const char *tmp; 608 609 while ((tmp = format_flag(&var, flags)) != NULL) { 610 off += snprintf(str + off, size - off, "%s/", tmp); 611 assert (off < size); 612 } 613 614 /* If there were any flags added... */ 615 if (off > 0) { 616 off--; 617 /* ... then remove the last slash. */ 618 assert(str[off] == '/'); 619 } 620 621 str[off] = '\0'; 622 623 return (0); 624 } 625 626 static int 627 format_flags_compact(char *str, size_t size, uint32_t var, 628 const struct flagnames_struct *flags) 629 { 630 size_t i; 631 632 for (i = 0; flags[i].name != NULL; i++) { 633 assert(i < size); 634 if ((flags[i].flag & var) == 0) 635 str[i] = '-'; 636 else 637 str[i] = flags[i].letter; 638 } 639 640 str[i] = '\0'; 641 642 return (0); 643 } 644 645 static int 646 parse_flags_verbose(const char *strp, uint32_t *var, 647 const struct flagnames_struct *flags, const char *flags_name, 648 int *try_compact) 649 { 650 int i, found, ever_found = 0; 651 char *str, *flag; 652 653 str = strdup(strp); 654 *try_compact = 0; 655 *var = 0; 656 657 while (str != NULL) { 658 flag = strsep(&str, "/:"); 659 660 found = 0; 661 for (i = 0; flags[i].name != NULL; i++) { 662 if (strcmp(flags[i].name, flag) == 0) { 663 *var |= flags[i].flag; 664 found = 1; 665 ever_found = 1; 666 } 667 } 668 669 if (!found) { 670 if (ever_found) 671 warnx("malformed ACL: \"%s\" field contains " 672 "invalid flag \"%s\"", flags_name, flag); 673 else 674 *try_compact = 1; 675 free(str); 676 return (-1); 677 } 678 } 679 680 free(str); 681 return (0); 682 } 683 684 static int 685 parse_flags_compact(const char *str, uint32_t *var, 686 const struct flagnames_struct *flags, const char *flags_name) 687 { 688 int i, j, found; 689 690 *var = 0; 691 692 for (i = 0;; i++) { 693 if (str[i] == '\0') 694 return (0); 695 696 /* Ignore minus signs. */ 697 if (str[i] == '-') 698 continue; 699 700 found = 0; 701 702 for (j = 0; flags[j].name != NULL; j++) { 703 if (flags[j].letter == str[i]) { 704 *var |= flags[j].flag; 705 found = 1; 706 break; 707 } 708 } 709 710 if (!found) { 711 warnx("malformed ACL: \"%s\" field contains " 712 "invalid flag \"%c\"", flags_name, str[i]); 713 return (-1); 714 } 715 } 716 } 717 718 int 719 _nfs4_format_flags(char *str, size_t size, acl_flag_t var, int verbose) 720 { 721 722 if (verbose) 723 return (format_flags_verbose(str, size, var, a_flags)); 724 725 return (format_flags_compact(str, size, var, a_flags)); 726 } 727 728 int 729 _nfs4_format_access_mask(char *str, size_t size, acl_perm_t var, int verbose) 730 { 731 732 if (verbose) 733 return (format_flags_verbose(str, size, var, a_access_masks)); 734 735 return (format_flags_compact(str, size, var, a_access_masks)); 736 } 737 738 int 739 _nfs4_parse_flags(const char *str, acl_flag_t *flags) 740 { 741 int error, try_compact; 742 int tmpflags; 743 744 error = parse_flags_verbose(str, &tmpflags, a_flags, "flags", &try_compact); 745 if (error && try_compact) 746 error = parse_flags_compact(str, &tmpflags, a_flags, "flags"); 747 748 *flags = tmpflags; 749 750 return (error); 751 } 752 753 int 754 _nfs4_parse_access_mask(const char *str, acl_perm_t *perms) 755 { 756 int error, try_compact; 757 int tmpperms; 758 759 error = parse_flags_verbose(str, &tmpperms, a_access_masks, 760 "access permissions", &try_compact); 761 if (error && try_compact) 762 error = parse_flags_compact(str, &tmpperms, 763 a_access_masks, "access permissions"); 764 765 *perms = tmpperms; 766 767 return (error); 768 } 769