| 1 | /* |
| 2 | * Unix SMB/CIFS implementation. |
| 3 | * Based on the Samba ACL support code. |
| 4 | * Copyright (C) Jeremy Allison 2000. |
| 5 | * |
| 6 | * The permission functions have been changed to get/set all bits via |
| 7 | * one call. Some functions that rsync doesn't need were also removed. |
| 8 | * |
| 9 | * This program is free software; you can redistribute it and/or modify |
| 10 | * it under the terms of the GNU General Public License as published by |
| 11 | * the Free Software Foundation; either version 3 of the License, or |
| 12 | * (at your option) any later version. |
| 13 | * |
| 14 | * This program is distributed in the hope that it will be useful, |
| 15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 17 | * GNU General Public License for more details. |
| 18 | * |
| 19 | * You should have received a copy of the GNU General Public License |
| 20 | * with this program; if not, visit the http://fsf.org website. |
| 21 | */ |
| 22 | |
| 23 | #include "rsync.h" |
| 24 | #include "sysacls.h" |
| 25 | |
| 26 | #ifdef SUPPORT_ACLS |
| 27 | |
| 28 | #ifdef DEBUG |
| 29 | #undef DEBUG |
| 30 | #endif |
| 31 | #define DEBUG(x,y) |
| 32 | |
| 33 | void SAFE_FREE(void *mem) |
| 34 | { |
| 35 | if (mem) |
| 36 | free(mem); |
| 37 | } |
| 38 | |
| 39 | /* |
| 40 | This file wraps all differing system ACL interfaces into a consistent |
| 41 | one based on the POSIX interface. It also returns the correct errors |
| 42 | for older UNIX systems that don't support ACLs. |
| 43 | |
| 44 | The interfaces that each ACL implementation must support are as follows : |
| 45 | |
| 46 | int sys_acl_get_entry( SMB_ACL_T theacl, int entry_id, SMB_ACL_ENTRY_T *entry_p) |
| 47 | int sys_acl_get_tag_type( SMB_ACL_ENTRY_T entry_d, SMB_ACL_TAG_T *tag_type_p) |
| 48 | int sys_acl_get_info(SMB_ACL_ENTRY_T entry, SMB_ACL_TAG_T *tag_type_p, uint32 *bits_p, id_t *u_g_id_p) |
| 49 | SMB_ACL_T sys_acl_get_file( const char *path_p, SMB_ACL_TYPE_T type) |
| 50 | SMB_ACL_T sys_acl_get_fd(int fd) |
| 51 | SMB_ACL_T sys_acl_init( int count) |
| 52 | int sys_acl_create_entry( SMB_ACL_T *pacl, SMB_ACL_ENTRY_T *pentry) |
| 53 | int sys_acl_set_info(SMB_ACL_ENTRY_T entry, SMB_ACL_TAG_T tag_type, uint32 bits, id_t u_g_id) |
| 54 | int sys_acl_set_access_bits(SMB_ACL_ENTRY_T entry, uint32 bits) |
| 55 | int sys_acl_valid( SMB_ACL_T theacl ) |
| 56 | int sys_acl_set_file( const char *name, SMB_ACL_TYPE_T acltype, SMB_ACL_T theacl) |
| 57 | int sys_acl_set_fd( int fd, SMB_ACL_T theacl) |
| 58 | int sys_acl_delete_def_file(const char *path) |
| 59 | int sys_acl_free_acl(SMB_ACL_T posix_acl) |
| 60 | |
| 61 | */ |
| 62 | |
| 63 | #if defined(HAVE_POSIX_ACLS) /*--------------------------------------------*/ |
| 64 | |
| 65 | /* Identity mapping - easy. */ |
| 66 | |
| 67 | int sys_acl_get_entry( SMB_ACL_T the_acl, int entry_id, SMB_ACL_ENTRY_T *entry_p) |
| 68 | { |
| 69 | return acl_get_entry( the_acl, entry_id, entry_p); |
| 70 | } |
| 71 | |
| 72 | int sys_acl_get_tag_type( SMB_ACL_ENTRY_T entry_d, SMB_ACL_TAG_T *tag_type_p) |
| 73 | { |
| 74 | return acl_get_tag_type( entry_d, tag_type_p); |
| 75 | } |
| 76 | |
| 77 | SMB_ACL_T sys_acl_get_file( const char *path_p, SMB_ACL_TYPE_T type) |
| 78 | { |
| 79 | return acl_get_file( path_p, type); |
| 80 | } |
| 81 | |
| 82 | #if 0 |
| 83 | SMB_ACL_T sys_acl_get_fd(int fd) |
| 84 | { |
| 85 | return acl_get_fd(fd); |
| 86 | } |
| 87 | #endif |
| 88 | |
| 89 | #if defined(HAVE_ACL_GET_PERM_NP) |
| 90 | #define acl_get_perm(p, b) acl_get_perm_np(p, b) |
| 91 | #endif |
| 92 | |
| 93 | int sys_acl_get_info(SMB_ACL_ENTRY_T entry, SMB_ACL_TAG_T *tag_type_p, uint32 *bits_p, id_t *u_g_id_p) |
| 94 | { |
| 95 | acl_permset_t permset; |
| 96 | |
| 97 | if (acl_get_tag_type(entry, tag_type_p) != 0 |
| 98 | || acl_get_permset(entry, &permset) != 0) |
| 99 | return -1; |
| 100 | |
| 101 | *bits_p = (acl_get_perm(permset, ACL_READ) ? 4 : 0) |
| 102 | | (acl_get_perm(permset, ACL_WRITE) ? 2 : 0) |
| 103 | | (acl_get_perm(permset, ACL_EXECUTE) ? 1 : 0); |
| 104 | |
| 105 | if (*tag_type_p == SMB_ACL_USER || *tag_type_p == SMB_ACL_GROUP) { |
| 106 | void *qual; |
| 107 | if ((qual = acl_get_qualifier(entry)) == NULL) |
| 108 | return -1; |
| 109 | *u_g_id_p = *(id_t*)qual; |
| 110 | acl_free(qual); |
| 111 | } |
| 112 | |
| 113 | return 0; |
| 114 | } |
| 115 | |
| 116 | SMB_ACL_T sys_acl_init( int count) |
| 117 | { |
| 118 | return acl_init(count); |
| 119 | } |
| 120 | |
| 121 | int sys_acl_create_entry( SMB_ACL_T *pacl, SMB_ACL_ENTRY_T *pentry) |
| 122 | { |
| 123 | return acl_create_entry(pacl, pentry); |
| 124 | } |
| 125 | |
| 126 | int sys_acl_set_info(SMB_ACL_ENTRY_T entry, SMB_ACL_TAG_T tag_type, uint32 bits, id_t u_g_id) |
| 127 | { |
| 128 | if (acl_set_tag_type(entry, tag_type) != 0) |
| 129 | return -1; |
| 130 | |
| 131 | if (tag_type == SMB_ACL_USER || tag_type == SMB_ACL_GROUP) { |
| 132 | if (acl_set_qualifier(entry, (void*)&u_g_id) != 0) |
| 133 | return -1; |
| 134 | } |
| 135 | |
| 136 | return sys_acl_set_access_bits(entry, bits); |
| 137 | } |
| 138 | |
| 139 | int sys_acl_set_access_bits(SMB_ACL_ENTRY_T entry, uint32 bits) |
| 140 | { |
| 141 | acl_permset_t permset; |
| 142 | int rc; |
| 143 | if ((rc = acl_get_permset(entry, &permset)) != 0) |
| 144 | return rc; |
| 145 | acl_clear_perms(permset); |
| 146 | if (bits & 4) |
| 147 | acl_add_perm(permset, ACL_READ); |
| 148 | if (bits & 2) |
| 149 | acl_add_perm(permset, ACL_WRITE); |
| 150 | if (bits & 1) |
| 151 | acl_add_perm(permset, ACL_EXECUTE); |
| 152 | return acl_set_permset(entry, permset); |
| 153 | } |
| 154 | |
| 155 | int sys_acl_valid( SMB_ACL_T theacl ) |
| 156 | { |
| 157 | return acl_valid(theacl); |
| 158 | } |
| 159 | |
| 160 | int sys_acl_set_file(const char *name, SMB_ACL_TYPE_T acltype, SMB_ACL_T theacl) |
| 161 | { |
| 162 | return acl_set_file(name, acltype, theacl); |
| 163 | } |
| 164 | |
| 165 | #if 0 |
| 166 | int sys_acl_set_fd( int fd, SMB_ACL_T theacl) |
| 167 | { |
| 168 | return acl_set_fd(fd, theacl); |
| 169 | } |
| 170 | #endif |
| 171 | |
| 172 | int sys_acl_delete_def_file(const char *name) |
| 173 | { |
| 174 | return acl_delete_def_file(name); |
| 175 | } |
| 176 | |
| 177 | int sys_acl_free_acl(SMB_ACL_T the_acl) |
| 178 | { |
| 179 | return acl_free(the_acl); |
| 180 | } |
| 181 | |
| 182 | #elif defined(HAVE_TRU64_ACLS) /*--------------------------------------------*/ |
| 183 | /* |
| 184 | * The interface to DEC/Compaq Tru64 UNIX ACLs |
| 185 | * is based on Draft 13 of the POSIX spec which is |
| 186 | * slightly different from the Draft 16 interface. |
| 187 | * |
| 188 | * Also, some of the permset manipulation functions |
| 189 | * such as acl_clear_perm() and acl_add_perm() appear |
| 190 | * to be broken on Tru64 so we have to manipulate |
| 191 | * the permission bits in the permset directly. |
| 192 | */ |
| 193 | int sys_acl_get_entry( SMB_ACL_T the_acl, int entry_id, SMB_ACL_ENTRY_T *entry_p) |
| 194 | { |
| 195 | SMB_ACL_ENTRY_T entry; |
| 196 | |
| 197 | if (entry_id == SMB_ACL_FIRST_ENTRY && acl_first_entry(the_acl) != 0) { |
| 198 | return -1; |
| 199 | } |
| 200 | |
| 201 | errno = 0; |
| 202 | if ((entry = acl_get_entry(the_acl)) != NULL) { |
| 203 | *entry_p = entry; |
| 204 | return 1; |
| 205 | } |
| 206 | |
| 207 | return errno ? -1 : 0; |
| 208 | } |
| 209 | |
| 210 | int sys_acl_get_tag_type( SMB_ACL_ENTRY_T entry_d, SMB_ACL_TAG_T *tag_type_p) |
| 211 | { |
| 212 | return acl_get_tag_type( entry_d, tag_type_p); |
| 213 | } |
| 214 | |
| 215 | SMB_ACL_T sys_acl_get_file( const char *path_p, SMB_ACL_TYPE_T type) |
| 216 | { |
| 217 | return acl_get_file((char *)path_p, type); |
| 218 | } |
| 219 | |
| 220 | #if 0 |
| 221 | SMB_ACL_T sys_acl_get_fd(int fd) |
| 222 | { |
| 223 | return acl_get_fd(fd, ACL_TYPE_ACCESS); |
| 224 | } |
| 225 | #endif |
| 226 | |
| 227 | int sys_acl_get_info(SMB_ACL_ENTRY_T entry, SMB_ACL_TAG_T *tag_type_p, uint32 *bits_p, id_t *u_g_id_p) |
| 228 | { |
| 229 | acl_permset_t permset; |
| 230 | |
| 231 | if (acl_get_tag_type(entry, tag_type_p) != 0 |
| 232 | || acl_get_permset(entry, &permset) != 0) |
| 233 | return -1; |
| 234 | |
| 235 | *bits_p = *permset & 7; /* Tru64 doesn't have acl_get_perm() */ |
| 236 | |
| 237 | if (*tag_type_p == SMB_ACL_USER || *tag_type_p == SMB_ACL_GROUP) { |
| 238 | void *qual; |
| 239 | if ((qual = acl_get_qualifier(entry)) == NULL) |
| 240 | return -1; |
| 241 | *u_g_id_p = *(id_t*)qual; |
| 242 | acl_free_qualifier(qual, *tag_type_p); |
| 243 | } |
| 244 | |
| 245 | return 0; |
| 246 | } |
| 247 | |
| 248 | SMB_ACL_T sys_acl_init( int count) |
| 249 | { |
| 250 | return acl_init(count); |
| 251 | } |
| 252 | |
| 253 | int sys_acl_create_entry( SMB_ACL_T *pacl, SMB_ACL_ENTRY_T *pentry) |
| 254 | { |
| 255 | SMB_ACL_ENTRY_T entry; |
| 256 | |
| 257 | if ((entry = acl_create_entry(pacl)) == NULL) { |
| 258 | return -1; |
| 259 | } |
| 260 | |
| 261 | *pentry = entry; |
| 262 | return 0; |
| 263 | } |
| 264 | |
| 265 | int sys_acl_set_info(SMB_ACL_ENTRY_T entry, SMB_ACL_TAG_T tag_type, uint32 bits, id_t u_g_id) |
| 266 | { |
| 267 | if (acl_set_tag_type(entry, tag_type) != 0) |
| 268 | return -1; |
| 269 | |
| 270 | if (tag_type == SMB_ACL_USER || tag_type == SMB_ACL_GROUP) { |
| 271 | if (acl_set_qualifier(entry, (void*)&u_g_id) != 0) |
| 272 | return -1; |
| 273 | } |
| 274 | |
| 275 | return sys_acl_set_access_bits(entry, bits); |
| 276 | } |
| 277 | |
| 278 | int sys_acl_set_access_bits(SMB_ACL_ENTRY_T entry, uint32 bits) |
| 279 | { |
| 280 | acl_permset_t permset; |
| 281 | int rc; |
| 282 | if ((rc = acl_get_permset(entry, &permset)) != 0) |
| 283 | return rc; |
| 284 | *permset = bits & 7; |
| 285 | return acl_set_permset(entry, permset); |
| 286 | } |
| 287 | |
| 288 | int sys_acl_valid( SMB_ACL_T theacl ) |
| 289 | { |
| 290 | acl_entry_t entry; |
| 291 | |
| 292 | return acl_valid(theacl, &entry); |
| 293 | } |
| 294 | |
| 295 | int sys_acl_set_file( const char *name, SMB_ACL_TYPE_T acltype, SMB_ACL_T theacl) |
| 296 | { |
| 297 | return acl_set_file((char *)name, acltype, theacl); |
| 298 | } |
| 299 | |
| 300 | #if 0 |
| 301 | int sys_acl_set_fd( int fd, SMB_ACL_T theacl) |
| 302 | { |
| 303 | return acl_set_fd(fd, ACL_TYPE_ACCESS, theacl); |
| 304 | } |
| 305 | #endif |
| 306 | |
| 307 | int sys_acl_delete_def_file(const char *name) |
| 308 | { |
| 309 | return acl_delete_def_file((char *)name); |
| 310 | } |
| 311 | |
| 312 | int sys_acl_free_acl(SMB_ACL_T the_acl) |
| 313 | { |
| 314 | return acl_free(the_acl); |
| 315 | } |
| 316 | |
| 317 | #elif defined(HAVE_UNIXWARE_ACLS) || defined(HAVE_SOLARIS_ACLS) /*-----------*/ |
| 318 | |
| 319 | /* |
| 320 | * Donated by Michael Davidson <md@sco.COM> for UnixWare / OpenUNIX. |
| 321 | * Modified by Toomas Soome <tsoome@ut.ee> for Solaris. |
| 322 | */ |
| 323 | |
| 324 | /* |
| 325 | * Note that while this code implements sufficient functionality |
| 326 | * to support the sys_acl_* interfaces it does not provide all |
| 327 | * of the semantics of the POSIX ACL interfaces. |
| 328 | * |
| 329 | * In particular, an ACL entry descriptor (SMB_ACL_ENTRY_T) returned |
| 330 | * from a call to sys_acl_get_entry() should not be assumed to be |
| 331 | * valid after calling any of the following functions, which may |
| 332 | * reorder the entries in the ACL. |
| 333 | * |
| 334 | * sys_acl_valid() |
| 335 | * sys_acl_set_file() |
| 336 | * sys_acl_set_fd() |
| 337 | */ |
| 338 | |
| 339 | /* |
| 340 | * The only difference between Solaris and UnixWare / OpenUNIX is |
| 341 | * that the #defines for the ACL operations have different names |
| 342 | */ |
| 343 | #if defined(HAVE_UNIXWARE_ACLS) |
| 344 | |
| 345 | #define SETACL ACL_SET |
| 346 | #define GETACL ACL_GET |
| 347 | #define GETACLCNT ACL_CNT |
| 348 | |
| 349 | #endif |
| 350 | |
| 351 | |
| 352 | int sys_acl_get_entry(SMB_ACL_T acl_d, int entry_id, SMB_ACL_ENTRY_T *entry_p) |
| 353 | { |
| 354 | if (entry_id != SMB_ACL_FIRST_ENTRY && entry_id != SMB_ACL_NEXT_ENTRY) { |
| 355 | errno = EINVAL; |
| 356 | return -1; |
| 357 | } |
| 358 | |
| 359 | if (entry_p == NULL) { |
| 360 | errno = EINVAL; |
| 361 | return -1; |
| 362 | } |
| 363 | |
| 364 | if (entry_id == SMB_ACL_FIRST_ENTRY) { |
| 365 | acl_d->next = 0; |
| 366 | } |
| 367 | |
| 368 | if (acl_d->next < 0) { |
| 369 | errno = EINVAL; |
| 370 | return -1; |
| 371 | } |
| 372 | |
| 373 | if (acl_d->next >= acl_d->count) { |
| 374 | return 0; |
| 375 | } |
| 376 | |
| 377 | *entry_p = &acl_d->acl[acl_d->next++]; |
| 378 | |
| 379 | return 1; |
| 380 | } |
| 381 | |
| 382 | int sys_acl_get_tag_type(SMB_ACL_ENTRY_T entry_d, SMB_ACL_TAG_T *type_p) |
| 383 | { |
| 384 | *type_p = entry_d->a_type; |
| 385 | |
| 386 | return 0; |
| 387 | } |
| 388 | |
| 389 | /* |
| 390 | * There is no way of knowing what size the ACL returned by |
| 391 | * GETACL will be unless you first call GETACLCNT which means |
| 392 | * making an additional system call. |
| 393 | * |
| 394 | * In the hope of avoiding the cost of the additional system |
| 395 | * call in most cases, we initially allocate enough space for |
| 396 | * an ACL with INITIAL_ACL_SIZE entries. If this turns out to |
| 397 | * be too small then we use GETACLCNT to find out the actual |
| 398 | * size, reallocate the ACL buffer, and then call GETACL again. |
| 399 | */ |
| 400 | |
| 401 | #define INITIAL_ACL_SIZE 16 |
| 402 | |
| 403 | SMB_ACL_T sys_acl_get_file(const char *path_p, SMB_ACL_TYPE_T type) |
| 404 | { |
| 405 | SMB_ACL_T acl_d; |
| 406 | int count; /* # of ACL entries allocated */ |
| 407 | int naccess; /* # of access ACL entries */ |
| 408 | int ndefault; /* # of default ACL entries */ |
| 409 | |
| 410 | if (type != SMB_ACL_TYPE_ACCESS && type != SMB_ACL_TYPE_DEFAULT) { |
| 411 | errno = EINVAL; |
| 412 | return NULL; |
| 413 | } |
| 414 | |
| 415 | count = INITIAL_ACL_SIZE; |
| 416 | if ((acl_d = sys_acl_init(count)) == NULL) { |
| 417 | return NULL; |
| 418 | } |
| 419 | |
| 420 | /* |
| 421 | * If there isn't enough space for the ACL entries we use |
| 422 | * GETACLCNT to determine the actual number of ACL entries |
| 423 | * reallocate and try again. This is in a loop because it |
| 424 | * is possible that someone else could modify the ACL and |
| 425 | * increase the number of entries between the call to |
| 426 | * GETACLCNT and the call to GETACL. |
| 427 | */ |
| 428 | while ((count = acl(path_p, GETACL, count, &acl_d->acl[0])) < 0 |
| 429 | && errno == ENOSPC) { |
| 430 | |
| 431 | sys_acl_free_acl(acl_d); |
| 432 | |
| 433 | if ((count = acl(path_p, GETACLCNT, 0, NULL)) < 0) { |
| 434 | return NULL; |
| 435 | } |
| 436 | |
| 437 | if ((acl_d = sys_acl_init(count)) == NULL) { |
| 438 | return NULL; |
| 439 | } |
| 440 | } |
| 441 | |
| 442 | if (count < 0) { |
| 443 | sys_acl_free_acl(acl_d); |
| 444 | return NULL; |
| 445 | } |
| 446 | |
| 447 | /* |
| 448 | * calculate the number of access and default ACL entries |
| 449 | * |
| 450 | * Note: we assume that the acl() system call returned a |
| 451 | * well formed ACL which is sorted so that all of the |
| 452 | * access ACL entries preceed any default ACL entries |
| 453 | */ |
| 454 | for (naccess = 0; naccess < count; naccess++) { |
| 455 | if (acl_d->acl[naccess].a_type & ACL_DEFAULT) |
| 456 | break; |
| 457 | } |
| 458 | ndefault = count - naccess; |
| 459 | |
| 460 | /* |
| 461 | * if the caller wants the default ACL we have to copy |
| 462 | * the entries down to the start of the acl[] buffer |
| 463 | * and mask out the ACL_DEFAULT flag from the type field |
| 464 | */ |
| 465 | if (type == SMB_ACL_TYPE_DEFAULT) { |
| 466 | int i, j; |
| 467 | |
| 468 | for (i = 0, j = naccess; i < ndefault; i++, j++) { |
| 469 | acl_d->acl[i] = acl_d->acl[j]; |
| 470 | acl_d->acl[i].a_type &= ~ACL_DEFAULT; |
| 471 | } |
| 472 | |
| 473 | acl_d->count = ndefault; |
| 474 | } else { |
| 475 | acl_d->count = naccess; |
| 476 | } |
| 477 | |
| 478 | return acl_d; |
| 479 | } |
| 480 | |
| 481 | #if 0 |
| 482 | SMB_ACL_T sys_acl_get_fd(int fd) |
| 483 | { |
| 484 | SMB_ACL_T acl_d; |
| 485 | int count; /* # of ACL entries allocated */ |
| 486 | int naccess; /* # of access ACL entries */ |
| 487 | |
| 488 | count = INITIAL_ACL_SIZE; |
| 489 | if ((acl_d = sys_acl_init(count)) == NULL) { |
| 490 | return NULL; |
| 491 | } |
| 492 | |
| 493 | while ((count = facl(fd, GETACL, count, &acl_d->acl[0])) < 0 |
| 494 | && errno == ENOSPC) { |
| 495 | |
| 496 | sys_acl_free_acl(acl_d); |
| 497 | |
| 498 | if ((count = facl(fd, GETACLCNT, 0, NULL)) < 0) { |
| 499 | return NULL; |
| 500 | } |
| 501 | |
| 502 | if ((acl_d = sys_acl_init(count)) == NULL) { |
| 503 | return NULL; |
| 504 | } |
| 505 | } |
| 506 | |
| 507 | if (count < 0) { |
| 508 | sys_acl_free_acl(acl_d); |
| 509 | return NULL; |
| 510 | } |
| 511 | |
| 512 | /* |
| 513 | * calculate the number of access ACL entries |
| 514 | */ |
| 515 | for (naccess = 0; naccess < count; naccess++) { |
| 516 | if (acl_d->acl[naccess].a_type & ACL_DEFAULT) |
| 517 | break; |
| 518 | } |
| 519 | |
| 520 | acl_d->count = naccess; |
| 521 | |
| 522 | return acl_d; |
| 523 | } |
| 524 | #endif |
| 525 | |
| 526 | int sys_acl_get_info(SMB_ACL_ENTRY_T entry, SMB_ACL_TAG_T *tag_type_p, uint32 *bits_p, id_t *u_g_id_p) |
| 527 | { |
| 528 | *tag_type_p = entry->a_type; |
| 529 | |
| 530 | *bits_p = entry->a_perm; |
| 531 | |
| 532 | if (*tag_type_p == SMB_ACL_USER || *tag_type_p == SMB_ACL_GROUP) |
| 533 | *u_g_id_p = entry->a_id; |
| 534 | |
| 535 | return 0; |
| 536 | } |
| 537 | |
| 538 | SMB_ACL_T sys_acl_init(int count) |
| 539 | { |
| 540 | SMB_ACL_T a; |
| 541 | |
| 542 | if (count < 0) { |
| 543 | errno = EINVAL; |
| 544 | return NULL; |
| 545 | } |
| 546 | |
| 547 | /* |
| 548 | * note that since the definition of the structure pointed |
| 549 | * to by the SMB_ACL_T includes the first element of the |
| 550 | * acl[] array, this actually allocates an ACL with room |
| 551 | * for (count+1) entries |
| 552 | */ |
| 553 | if ((a = (SMB_ACL_T)SMB_MALLOC(sizeof(struct SMB_ACL_T) + count * sizeof(struct acl))) == NULL) { |
| 554 | errno = ENOMEM; |
| 555 | return NULL; |
| 556 | } |
| 557 | |
| 558 | a->size = count + 1; |
| 559 | a->count = 0; |
| 560 | a->next = -1; |
| 561 | |
| 562 | return a; |
| 563 | } |
| 564 | |
| 565 | |
| 566 | int sys_acl_create_entry(SMB_ACL_T *acl_p, SMB_ACL_ENTRY_T *entry_p) |
| 567 | { |
| 568 | SMB_ACL_T acl_d; |
| 569 | SMB_ACL_ENTRY_T entry_d; |
| 570 | |
| 571 | if (acl_p == NULL || entry_p == NULL || (acl_d = *acl_p) == NULL) { |
| 572 | errno = EINVAL; |
| 573 | return -1; |
| 574 | } |
| 575 | |
| 576 | if (acl_d->count >= acl_d->size) { |
| 577 | errno = ENOSPC; |
| 578 | return -1; |
| 579 | } |
| 580 | |
| 581 | entry_d = &acl_d->acl[acl_d->count++]; |
| 582 | entry_d->a_type = 0; |
| 583 | entry_d->a_id = -1; |
| 584 | entry_d->a_perm = 0; |
| 585 | *entry_p = entry_d; |
| 586 | |
| 587 | return 0; |
| 588 | } |
| 589 | |
| 590 | int sys_acl_set_info(SMB_ACL_ENTRY_T entry, SMB_ACL_TAG_T tag_type, uint32 bits, id_t u_g_id) |
| 591 | { |
| 592 | entry->a_type = tag_type; |
| 593 | |
| 594 | if (tag_type == SMB_ACL_USER || tag_type == SMB_ACL_GROUP) |
| 595 | entry->a_id = u_g_id; |
| 596 | |
| 597 | entry->a_perm = bits; |
| 598 | |
| 599 | return 0; |
| 600 | } |
| 601 | |
| 602 | int sys_acl_set_access_bits(SMB_ACL_ENTRY_T entry_d, uint32 bits) |
| 603 | { |
| 604 | entry_d->a_perm = bits; |
| 605 | return 0; |
| 606 | } |
| 607 | |
| 608 | /* |
| 609 | * sort the ACL and check it for validity |
| 610 | * |
| 611 | * if it's a minimal ACL with only 4 entries then we |
| 612 | * need to recalculate the mask permissions to make |
| 613 | * sure that they are the same as the GROUP_OBJ |
| 614 | * permissions as required by the UnixWare acl() system call. |
| 615 | * |
| 616 | * (note: since POSIX allows minimal ACLs which only contain |
| 617 | * 3 entries - ie there is no mask entry - we should, in theory, |
| 618 | * check for this and add a mask entry if necessary - however |
| 619 | * we "know" that the caller of this interface always specifies |
| 620 | * a mask so, in practice "this never happens" (tm) - if it *does* |
| 621 | * happen aclsort() will fail and return an error and someone will |
| 622 | * have to fix it ...) |
| 623 | */ |
| 624 | |
| 625 | static int acl_sort(SMB_ACL_T acl_d) |
| 626 | { |
| 627 | int fixmask = (acl_d->count <= 4); |
| 628 | |
| 629 | if (aclsort(acl_d->count, fixmask, acl_d->acl) != 0) { |
| 630 | errno = EINVAL; |
| 631 | return -1; |
| 632 | } |
| 633 | return 0; |
| 634 | } |
| 635 | |
| 636 | int sys_acl_valid(SMB_ACL_T acl_d) |
| 637 | { |
| 638 | return acl_sort(acl_d); |
| 639 | } |
| 640 | |
| 641 | int sys_acl_set_file(const char *name, SMB_ACL_TYPE_T type, SMB_ACL_T acl_d) |
| 642 | { |
| 643 | struct stat s; |
| 644 | struct acl *acl_p; |
| 645 | int acl_count; |
| 646 | struct acl *acl_buf = NULL; |
| 647 | int ret; |
| 648 | |
| 649 | if (type != SMB_ACL_TYPE_ACCESS && type != SMB_ACL_TYPE_DEFAULT) { |
| 650 | errno = EINVAL; |
| 651 | return -1; |
| 652 | } |
| 653 | |
| 654 | if (acl_sort(acl_d) != 0) { |
| 655 | return -1; |
| 656 | } |
| 657 | |
| 658 | acl_p = &acl_d->acl[0]; |
| 659 | acl_count = acl_d->count; |
| 660 | |
| 661 | /* |
| 662 | * if it's a directory there is extra work to do |
| 663 | * since the acl() system call will replace both |
| 664 | * the access ACLs and the default ACLs (if any) |
| 665 | */ |
| 666 | if (stat(name, &s) != 0) { |
| 667 | return -1; |
| 668 | } |
| 669 | if (S_ISDIR(s.st_mode)) { |
| 670 | SMB_ACL_T acc_acl; |
| 671 | SMB_ACL_T def_acl; |
| 672 | SMB_ACL_T tmp_acl; |
| 673 | int i; |
| 674 | |
| 675 | if (type == SMB_ACL_TYPE_ACCESS) { |
| 676 | acc_acl = acl_d; |
| 677 | def_acl = tmp_acl = sys_acl_get_file(name, SMB_ACL_TYPE_DEFAULT); |
| 678 | |
| 679 | } else { |
| 680 | def_acl = acl_d; |
| 681 | acc_acl = tmp_acl = sys_acl_get_file(name, SMB_ACL_TYPE_ACCESS); |
| 682 | } |
| 683 | |
| 684 | if (tmp_acl == NULL) { |
| 685 | return -1; |
| 686 | } |
| 687 | |
| 688 | /* |
| 689 | * allocate a temporary buffer for the complete ACL |
| 690 | */ |
| 691 | acl_count = acc_acl->count + def_acl->count; |
| 692 | acl_p = acl_buf = SMB_MALLOC_ARRAY(struct acl, acl_count); |
| 693 | |
| 694 | if (acl_buf == NULL) { |
| 695 | sys_acl_free_acl(tmp_acl); |
| 696 | errno = ENOMEM; |
| 697 | return -1; |
| 698 | } |
| 699 | |
| 700 | /* |
| 701 | * copy the access control and default entries into the buffer |
| 702 | */ |
| 703 | memcpy(&acl_buf[0], &acc_acl->acl[0], |
| 704 | acc_acl->count * sizeof(acl_buf[0])); |
| 705 | |
| 706 | memcpy(&acl_buf[acc_acl->count], &def_acl->acl[0], |
| 707 | def_acl->count * sizeof(acl_buf[0])); |
| 708 | |
| 709 | /* |
| 710 | * set the ACL_DEFAULT flag on the default entries |
| 711 | */ |
| 712 | for (i = acc_acl->count; i < acl_count; i++) { |
| 713 | acl_buf[i].a_type |= ACL_DEFAULT; |
| 714 | } |
| 715 | |
| 716 | sys_acl_free_acl(tmp_acl); |
| 717 | |
| 718 | } else if (type != SMB_ACL_TYPE_ACCESS) { |
| 719 | errno = EINVAL; |
| 720 | return -1; |
| 721 | } |
| 722 | |
| 723 | ret = acl(name, SETACL, acl_count, acl_p); |
| 724 | |
| 725 | SAFE_FREE(acl_buf); |
| 726 | |
| 727 | return ret; |
| 728 | } |
| 729 | |
| 730 | #if 0 |
| 731 | int sys_acl_set_fd(int fd, SMB_ACL_T acl_d) |
| 732 | { |
| 733 | if (acl_sort(acl_d) != 0) { |
| 734 | return -1; |
| 735 | } |
| 736 | |
| 737 | return facl(fd, SETACL, acl_d->count, &acl_d->acl[0]); |
| 738 | } |
| 739 | #endif |
| 740 | |
| 741 | int sys_acl_delete_def_file(const char *path) |
| 742 | { |
| 743 | SMB_ACL_T acl_d; |
| 744 | int ret; |
| 745 | |
| 746 | /* |
| 747 | * fetching the access ACL and rewriting it has |
| 748 | * the effect of deleting the default ACL |
| 749 | */ |
| 750 | if ((acl_d = sys_acl_get_file(path, SMB_ACL_TYPE_ACCESS)) == NULL) { |
| 751 | return -1; |
| 752 | } |
| 753 | |
| 754 | ret = acl(path, SETACL, acl_d->count, acl_d->acl); |
| 755 | |
| 756 | sys_acl_free_acl(acl_d); |
| 757 | |
| 758 | return ret; |
| 759 | } |
| 760 | |
| 761 | int sys_acl_free_acl(SMB_ACL_T acl_d) |
| 762 | { |
| 763 | SAFE_FREE(acl_d); |
| 764 | return 0; |
| 765 | } |
| 766 | |
| 767 | #elif defined(HAVE_HPUX_ACLS) /*---------------------------------------------*/ |
| 768 | |
| 769 | #include <dl.h> |
| 770 | |
| 771 | /* |
| 772 | * Based on the Solaris/SCO code - with modifications. |
| 773 | */ |
| 774 | |
| 775 | /* |
| 776 | * Note that while this code implements sufficient functionality |
| 777 | * to support the sys_acl_* interfaces it does not provide all |
| 778 | * of the semantics of the POSIX ACL interfaces. |
| 779 | * |
| 780 | * In particular, an ACL entry descriptor (SMB_ACL_ENTRY_T) returned |
| 781 | * from a call to sys_acl_get_entry() should not be assumed to be |
| 782 | * valid after calling any of the following functions, which may |
| 783 | * reorder the entries in the ACL. |
| 784 | * |
| 785 | * sys_acl_valid() |
| 786 | * sys_acl_set_file() |
| 787 | * sys_acl_set_fd() |
| 788 | */ |
| 789 | |
| 790 | /* This checks if the POSIX ACL system call is defined */ |
| 791 | /* which basically corresponds to whether JFS 3.3 or */ |
| 792 | /* higher is installed. If acl() was called when it */ |
| 793 | /* isn't defined, it causes the process to core dump */ |
| 794 | /* so it is important to check this and avoid acl() */ |
| 795 | /* calls if it isn't there. */ |
| 796 | |
| 797 | static BOOL hpux_acl_call_presence(void) |
| 798 | { |
| 799 | |
| 800 | shl_t handle = NULL; |
| 801 | void *value; |
| 802 | int ret_val=0; |
| 803 | static BOOL already_checked=0; |
| 804 | |
| 805 | if(already_checked) |
| 806 | return True; |
| 807 | |
| 808 | |
| 809 | ret_val = shl_findsym(&handle, "acl", TYPE_PROCEDURE, &value); |
| 810 | |
| 811 | if(ret_val != 0) { |
| 812 | DEBUG(5, ("hpux_acl_call_presence: shl_findsym() returned %d, errno = %d, error %s\n", |
| 813 | ret_val, errno, strerror(errno))); |
| 814 | DEBUG(5,("hpux_acl_call_presence: acl() system call is not present. Check if you have JFS 3.3 and above?\n")); |
| 815 | return False; |
| 816 | } |
| 817 | |
| 818 | DEBUG(10,("hpux_acl_call_presence: acl() system call is present. We have JFS 3.3 or above \n")); |
| 819 | |
| 820 | already_checked = True; |
| 821 | return True; |
| 822 | } |
| 823 | |
| 824 | int sys_acl_get_entry(SMB_ACL_T acl_d, int entry_id, SMB_ACL_ENTRY_T *entry_p) |
| 825 | { |
| 826 | if (entry_id != SMB_ACL_FIRST_ENTRY && entry_id != SMB_ACL_NEXT_ENTRY) { |
| 827 | errno = EINVAL; |
| 828 | return -1; |
| 829 | } |
| 830 | |
| 831 | if (entry_p == NULL) { |
| 832 | errno = EINVAL; |
| 833 | return -1; |
| 834 | } |
| 835 | |
| 836 | if (entry_id == SMB_ACL_FIRST_ENTRY) { |
| 837 | acl_d->next = 0; |
| 838 | } |
| 839 | |
| 840 | if (acl_d->next < 0) { |
| 841 | errno = EINVAL; |
| 842 | return -1; |
| 843 | } |
| 844 | |
| 845 | if (acl_d->next >= acl_d->count) { |
| 846 | return 0; |
| 847 | } |
| 848 | |
| 849 | *entry_p = &acl_d->acl[acl_d->next++]; |
| 850 | |
| 851 | return 1; |
| 852 | } |
| 853 | |
| 854 | int sys_acl_get_tag_type(SMB_ACL_ENTRY_T entry_d, SMB_ACL_TAG_T *type_p) |
| 855 | { |
| 856 | *type_p = entry_d->a_type; |
| 857 | |
| 858 | return 0; |
| 859 | } |
| 860 | |
| 861 | /* |
| 862 | * There is no way of knowing what size the ACL returned by |
| 863 | * ACL_GET will be unless you first call ACL_CNT which means |
| 864 | * making an additional system call. |
| 865 | * |
| 866 | * In the hope of avoiding the cost of the additional system |
| 867 | * call in most cases, we initially allocate enough space for |
| 868 | * an ACL with INITIAL_ACL_SIZE entries. If this turns out to |
| 869 | * be too small then we use ACL_CNT to find out the actual |
| 870 | * size, reallocate the ACL buffer, and then call ACL_GET again. |
| 871 | */ |
| 872 | |
| 873 | #define INITIAL_ACL_SIZE 16 |
| 874 | |
| 875 | SMB_ACL_T sys_acl_get_file(const char *path_p, SMB_ACL_TYPE_T type) |
| 876 | { |
| 877 | SMB_ACL_T acl_d; |
| 878 | int count; /* # of ACL entries allocated */ |
| 879 | int naccess; /* # of access ACL entries */ |
| 880 | int ndefault; /* # of default ACL entries */ |
| 881 | |
| 882 | if(hpux_acl_call_presence() == False) { |
| 883 | /* Looks like we don't have the acl() system call on HPUX. |
| 884 | * May be the system doesn't have the latest version of JFS. |
| 885 | */ |
| 886 | return NULL; |
| 887 | } |
| 888 | |
| 889 | if (type != SMB_ACL_TYPE_ACCESS && type != SMB_ACL_TYPE_DEFAULT) { |
| 890 | errno = EINVAL; |
| 891 | return NULL; |
| 892 | } |
| 893 | |
| 894 | count = INITIAL_ACL_SIZE; |
| 895 | if ((acl_d = sys_acl_init(count)) == NULL) { |
| 896 | return NULL; |
| 897 | } |
| 898 | |
| 899 | /* |
| 900 | * If there isn't enough space for the ACL entries we use |
| 901 | * ACL_CNT to determine the actual number of ACL entries |
| 902 | * reallocate and try again. This is in a loop because it |
| 903 | * is possible that someone else could modify the ACL and |
| 904 | * increase the number of entries between the call to |
| 905 | * ACL_CNT and the call to ACL_GET. |
| 906 | */ |
| 907 | while ((count = acl(path_p, ACL_GET, count, &acl_d->acl[0])) < 0 && errno == ENOSPC) { |
| 908 | |
| 909 | sys_acl_free_acl(acl_d); |
| 910 | |
| 911 | if ((count = acl(path_p, ACL_CNT, 0, NULL)) < 0) { |
| 912 | return NULL; |
| 913 | } |
| 914 | |
| 915 | if ((acl_d = sys_acl_init(count)) == NULL) { |
| 916 | return NULL; |
| 917 | } |
| 918 | } |
| 919 | |
| 920 | if (count < 0) { |
| 921 | sys_acl_free_acl(acl_d); |
| 922 | return NULL; |
| 923 | } |
| 924 | |
| 925 | /* |
| 926 | * calculate the number of access and default ACL entries |
| 927 | * |
| 928 | * Note: we assume that the acl() system call returned a |
| 929 | * well formed ACL which is sorted so that all of the |
| 930 | * access ACL entries preceed any default ACL entries |
| 931 | */ |
| 932 | for (naccess = 0; naccess < count; naccess++) { |
| 933 | if (acl_d->acl[naccess].a_type & ACL_DEFAULT) |
| 934 | break; |
| 935 | } |
| 936 | ndefault = count - naccess; |
| 937 | |
| 938 | /* |
| 939 | * if the caller wants the default ACL we have to copy |
| 940 | * the entries down to the start of the acl[] buffer |
| 941 | * and mask out the ACL_DEFAULT flag from the type field |
| 942 | */ |
| 943 | if (type == SMB_ACL_TYPE_DEFAULT) { |
| 944 | int i, j; |
| 945 | |
| 946 | for (i = 0, j = naccess; i < ndefault; i++, j++) { |
| 947 | acl_d->acl[i] = acl_d->acl[j]; |
| 948 | acl_d->acl[i].a_type &= ~ACL_DEFAULT; |
| 949 | } |
| 950 | |
| 951 | acl_d->count = ndefault; |
| 952 | } else { |
| 953 | acl_d->count = naccess; |
| 954 | } |
| 955 | |
| 956 | return acl_d; |
| 957 | } |
| 958 | |
| 959 | #if 0 |
| 960 | SMB_ACL_T sys_acl_get_fd(int fd) |
| 961 | { |
| 962 | /* |
| 963 | * HPUX doesn't have the facl call. Fake it using the path.... JRA. |
| 964 | */ |
| 965 | |
| 966 | files_struct *fsp = file_find_fd(fd); |
| 967 | |
| 968 | if (fsp == NULL) { |
| 969 | errno = EBADF; |
| 970 | return NULL; |
| 971 | } |
| 972 | |
| 973 | /* |
| 974 | * We know we're in the same conn context. So we |
| 975 | * can use the relative path. |
| 976 | */ |
| 977 | |
| 978 | return sys_acl_get_file(fsp->fsp_name, SMB_ACL_TYPE_ACCESS); |
| 979 | } |
| 980 | #endif |
| 981 | |
| 982 | int sys_acl_get_info(SMB_ACL_ENTRY_T entry, SMB_ACL_TAG_T *tag_type_p, uint32 *bits_p, id_t *u_g_id_p) |
| 983 | { |
| 984 | *tag_type_p = entry->a_type; |
| 985 | |
| 986 | *bits_p = entry->a_perm; |
| 987 | |
| 988 | if (*tag_type_p == SMB_ACL_USER || *tag_type_p == SMB_ACL_GROUP) |
| 989 | *u_g_id_p = entry->a_id; |
| 990 | |
| 991 | return 0; |
| 992 | } |
| 993 | |
| 994 | SMB_ACL_T sys_acl_init(int count) |
| 995 | { |
| 996 | SMB_ACL_T a; |
| 997 | |
| 998 | if (count < 0) { |
| 999 | errno = EINVAL; |
| 1000 | return NULL; |
| 1001 | } |
| 1002 | |
| 1003 | /* |
| 1004 | * note that since the definition of the structure pointed |
| 1005 | * to by the SMB_ACL_T includes the first element of the |
| 1006 | * acl[] array, this actually allocates an ACL with room |
| 1007 | * for (count+1) entries |
| 1008 | */ |
| 1009 | if ((a = SMB_MALLOC(sizeof(struct SMB_ACL_T) + count * sizeof(struct acl))) == NULL) { |
| 1010 | errno = ENOMEM; |
| 1011 | return NULL; |
| 1012 | } |
| 1013 | |
| 1014 | a->size = count + 1; |
| 1015 | a->count = 0; |
| 1016 | a->next = -1; |
| 1017 | |
| 1018 | return a; |
| 1019 | } |
| 1020 | |
| 1021 | |
| 1022 | int sys_acl_create_entry(SMB_ACL_T *acl_p, SMB_ACL_ENTRY_T *entry_p) |
| 1023 | { |
| 1024 | SMB_ACL_T acl_d; |
| 1025 | SMB_ACL_ENTRY_T entry_d; |
| 1026 | |
| 1027 | if (acl_p == NULL || entry_p == NULL || (acl_d = *acl_p) == NULL) { |
| 1028 | errno = EINVAL; |
| 1029 | return -1; |
| 1030 | } |
| 1031 | |
| 1032 | if (acl_d->count >= acl_d->size) { |
| 1033 | errno = ENOSPC; |
| 1034 | return -1; |
| 1035 | } |
| 1036 | |
| 1037 | entry_d = &acl_d->acl[acl_d->count++]; |
| 1038 | entry_d->a_type = 0; |
| 1039 | entry_d->a_id = -1; |
| 1040 | entry_d->a_perm = 0; |
| 1041 | *entry_p = entry_d; |
| 1042 | |
| 1043 | return 0; |
| 1044 | } |
| 1045 | |
| 1046 | int sys_acl_set_info(SMB_ACL_ENTRY_T entry, SMB_ACL_TAG_T tag_type, uint32 bits, id_t u_g_id) |
| 1047 | { |
| 1048 | entry->a_type = tag_type; |
| 1049 | |
| 1050 | if (tag_type == SMB_ACL_USER || tag_type == SMB_ACL_GROUP) |
| 1051 | entry->a_id = u_g_id; |
| 1052 | |
| 1053 | entry->a_perm = bits; |
| 1054 | |
| 1055 | return 0; |
| 1056 | } |
| 1057 | |
| 1058 | int sys_acl_set_access_bits(SMB_ACL_ENTRY_T entry_d, uint32 bits) |
| 1059 | { |
| 1060 | entry_d->a_perm = bits; |
| 1061 | |
| 1062 | return 0; |
| 1063 | } |
| 1064 | |
| 1065 | /* Structure to capture the count for each type of ACE. */ |
| 1066 | |
| 1067 | struct hpux_acl_types { |
| 1068 | int n_user; |
| 1069 | int n_def_user; |
| 1070 | int n_user_obj; |
| 1071 | int n_def_user_obj; |
| 1072 | |
| 1073 | int n_group; |
| 1074 | int n_def_group; |
| 1075 | int n_group_obj; |
| 1076 | int n_def_group_obj; |
| 1077 | |
| 1078 | int n_other; |
| 1079 | int n_other_obj; |
| 1080 | int n_def_other_obj; |
| 1081 | |
| 1082 | int n_class_obj; |
| 1083 | int n_def_class_obj; |
| 1084 | |
| 1085 | int n_illegal_obj; |
| 1086 | }; |
| 1087 | |
| 1088 | /* count_obj: |
| 1089 | * Counts the different number of objects in a given array of ACL |
| 1090 | * structures. |
| 1091 | * Inputs: |
| 1092 | * |
| 1093 | * acl_count - Count of ACLs in the array of ACL strucutres. |
| 1094 | * aclp - Array of ACL structures. |
| 1095 | * acl_type_count - Pointer to acl_types structure. Should already be |
| 1096 | * allocated. |
| 1097 | * Output: |
| 1098 | * |
| 1099 | * acl_type_count - This structure is filled up with counts of various |
| 1100 | * acl types. |
| 1101 | */ |
| 1102 | |
| 1103 | static void hpux_count_obj(int acl_count, struct acl *aclp, struct hpux_acl_types *acl_type_count) |
| 1104 | { |
| 1105 | int i; |
| 1106 | |
| 1107 | memset(acl_type_count, 0, sizeof(struct hpux_acl_types)); |
| 1108 | |
| 1109 | for(i=0;i<acl_count;i++) { |
| 1110 | switch(aclp[i].a_type) { |
| 1111 | case USER: |
| 1112 | acl_type_count->n_user++; |
| 1113 | break; |
| 1114 | case USER_OBJ: |
| 1115 | acl_type_count->n_user_obj++; |
| 1116 | break; |
| 1117 | case DEF_USER_OBJ: |
| 1118 | acl_type_count->n_def_user_obj++; |
| 1119 | break; |
| 1120 | case GROUP: |
| 1121 | acl_type_count->n_group++; |
| 1122 | break; |
| 1123 | case GROUP_OBJ: |
| 1124 | acl_type_count->n_group_obj++; |
| 1125 | break; |
| 1126 | case DEF_GROUP_OBJ: |
| 1127 | acl_type_count->n_def_group_obj++; |
| 1128 | break; |
| 1129 | case OTHER_OBJ: |
| 1130 | acl_type_count->n_other_obj++; |
| 1131 | break; |
| 1132 | case DEF_OTHER_OBJ: |
| 1133 | acl_type_count->n_def_other_obj++; |
| 1134 | break; |
| 1135 | case CLASS_OBJ: |
| 1136 | acl_type_count->n_class_obj++; |
| 1137 | break; |
| 1138 | case DEF_CLASS_OBJ: |
| 1139 | acl_type_count->n_def_class_obj++; |
| 1140 | break; |
| 1141 | case DEF_USER: |
| 1142 | acl_type_count->n_def_user++; |
| 1143 | break; |
| 1144 | case DEF_GROUP: |
| 1145 | acl_type_count->n_def_group++; |
| 1146 | break; |
| 1147 | default: |
| 1148 | acl_type_count->n_illegal_obj++; |
| 1149 | break; |
| 1150 | } |
| 1151 | } |
| 1152 | } |
| 1153 | |
| 1154 | /* swap_acl_entries: Swaps two ACL entries. |
| 1155 | * |
| 1156 | * Inputs: aclp0, aclp1 - ACL entries to be swapped. |
| 1157 | */ |
| 1158 | |
| 1159 | static void hpux_swap_acl_entries(struct acl *aclp0, struct acl *aclp1) |
| 1160 | { |
| 1161 | struct acl temp_acl; |
| 1162 | |
| 1163 | temp_acl.a_type = aclp0->a_type; |
| 1164 | temp_acl.a_id = aclp0->a_id; |
| 1165 | temp_acl.a_perm = aclp0->a_perm; |
| 1166 | |
| 1167 | aclp0->a_type = aclp1->a_type; |
| 1168 | aclp0->a_id = aclp1->a_id; |
| 1169 | aclp0->a_perm = aclp1->a_perm; |
| 1170 | |
| 1171 | aclp1->a_type = temp_acl.a_type; |
| 1172 | aclp1->a_id = temp_acl.a_id; |
| 1173 | aclp1->a_perm = temp_acl.a_perm; |
| 1174 | } |
| 1175 | |
| 1176 | /* prohibited_duplicate_type |
| 1177 | * Identifies if given ACL type can have duplicate entries or |
| 1178 | * not. |
| 1179 | * |
| 1180 | * Inputs: acl_type - ACL Type. |
| 1181 | * |
| 1182 | * Outputs: |
| 1183 | * |
| 1184 | * Return.. |
| 1185 | * |
| 1186 | * True - If the ACL type matches any of the prohibited types. |
| 1187 | * False - If the ACL type doesn't match any of the prohibited types. |
| 1188 | */ |
| 1189 | |
| 1190 | static BOOL hpux_prohibited_duplicate_type(int acl_type) |
| 1191 | { |
| 1192 | switch(acl_type) { |
| 1193 | case USER: |
| 1194 | case GROUP: |
| 1195 | case DEF_USER: |
| 1196 | case DEF_GROUP: |
| 1197 | return True; |
| 1198 | default: |
| 1199 | return False; |
| 1200 | } |
| 1201 | } |
| 1202 | |
| 1203 | /* get_needed_class_perm |
| 1204 | * Returns the permissions of a ACL structure only if the ACL |
| 1205 | * type matches one of the pre-determined types for computing |
| 1206 | * CLASS_OBJ permissions. |
| 1207 | * |
| 1208 | * Inputs: aclp - Pointer to ACL structure. |
| 1209 | */ |
| 1210 | |
| 1211 | static int hpux_get_needed_class_perm(struct acl *aclp) |
| 1212 | { |
| 1213 | switch(aclp->a_type) { |
| 1214 | case USER: |
| 1215 | case GROUP_OBJ: |
| 1216 | case GROUP: |
| 1217 | case DEF_USER_OBJ: |
| 1218 | case DEF_USER: |
| 1219 | case DEF_GROUP_OBJ: |
| 1220 | case DEF_GROUP: |
| 1221 | case DEF_CLASS_OBJ: |
| 1222 | case DEF_OTHER_OBJ: |
| 1223 | return aclp->a_perm; |
| 1224 | default: |
| 1225 | return 0; |
| 1226 | } |
| 1227 | } |
| 1228 | |
| 1229 | /* acl_sort for HPUX. |
| 1230 | * Sorts the array of ACL structures as per the description in |
| 1231 | * aclsort man page. Refer to aclsort man page for more details |
| 1232 | * |
| 1233 | * Inputs: |
| 1234 | * |
| 1235 | * acl_count - Count of ACLs in the array of ACL structures. |
| 1236 | * calclass - If this is not zero, then we compute the CLASS_OBJ |
| 1237 | * permissions. |
| 1238 | * aclp - Array of ACL structures. |
| 1239 | * |
| 1240 | * Outputs: |
| 1241 | * |
| 1242 | * aclp - Sorted array of ACL structures. |
| 1243 | * |
| 1244 | * Outputs: |
| 1245 | * |
| 1246 | * Returns 0 for success -1 for failure. Prints a message to the Samba |
| 1247 | * debug log in case of failure. |
| 1248 | */ |
| 1249 | |
| 1250 | static int hpux_acl_sort(int acl_count, int calclass, struct acl *aclp) |
| 1251 | { |
| 1252 | #if !defined(HAVE_HPUX_ACLSORT) |
| 1253 | /* |
| 1254 | * The aclsort() system call is availabe on the latest HPUX General |
| 1255 | * Patch Bundles. So for HPUX, we developed our version of acl_sort |
| 1256 | * function. Because, we don't want to update to a new |
| 1257 | * HPUX GR bundle just for aclsort() call. |
| 1258 | */ |
| 1259 | |
| 1260 | struct hpux_acl_types acl_obj_count; |
| 1261 | int n_class_obj_perm = 0; |
| 1262 | int i, j; |
| 1263 | |
| 1264 | if(!acl_count) { |
| 1265 | DEBUG(10,("Zero acl count passed. Returning Success\n")); |
| 1266 | return 0; |
| 1267 | } |
| 1268 | |
| 1269 | if(aclp == NULL) { |
| 1270 | DEBUG(0,("Null ACL pointer in hpux_acl_sort. Returning Failure. \n")); |
| 1271 | return -1; |
| 1272 | } |
| 1273 | |
| 1274 | /* Count different types of ACLs in the ACLs array */ |
| 1275 | |
| 1276 | hpux_count_obj(acl_count, aclp, &acl_obj_count); |
| 1277 | |
| 1278 | /* There should be only one entry each of type USER_OBJ, GROUP_OBJ, |
| 1279 | * CLASS_OBJ and OTHER_OBJ |
| 1280 | */ |
| 1281 | |
| 1282 | if( (acl_obj_count.n_user_obj != 1) || |
| 1283 | (acl_obj_count.n_group_obj != 1) || |
| 1284 | (acl_obj_count.n_class_obj != 1) || |
| 1285 | (acl_obj_count.n_other_obj != 1) |
| 1286 | ) { |
| 1287 | DEBUG(0,("hpux_acl_sort: More than one entry or no entries for \ |
| 1288 | USER OBJ or GROUP_OBJ or OTHER_OBJ or CLASS_OBJ\n")); |
| 1289 | return -1; |
| 1290 | } |
| 1291 | |
| 1292 | /* If any of the default objects are present, there should be only |
| 1293 | * one of them each. |
| 1294 | */ |
| 1295 | |
| 1296 | if( (acl_obj_count.n_def_user_obj > 1) || (acl_obj_count.n_def_group_obj > 1) || |
| 1297 | (acl_obj_count.n_def_other_obj > 1) || (acl_obj_count.n_def_class_obj > 1) ) { |
| 1298 | DEBUG(0,("hpux_acl_sort: More than one entry for DEF_CLASS_OBJ \ |
| 1299 | or DEF_USER_OBJ or DEF_GROUP_OBJ or DEF_OTHER_OBJ\n")); |
| 1300 | return -1; |
| 1301 | } |
| 1302 | |
| 1303 | /* We now have proper number of OBJ and DEF_OBJ entries. Now sort the acl |
| 1304 | * structures. |
| 1305 | * |
| 1306 | * Sorting crieteria - First sort by ACL type. If there are multiple entries of |
| 1307 | * same ACL type, sort by ACL id. |
| 1308 | * |
| 1309 | * I am using the trival kind of sorting method here because, performance isn't |
| 1310 | * really effected by the ACLs feature. More over there aren't going to be more |
| 1311 | * than 17 entries on HPUX. |
| 1312 | */ |
| 1313 | |
| 1314 | for(i=0; i<acl_count;i++) { |
| 1315 | for (j=i+1; j<acl_count; j++) { |
| 1316 | if( aclp[i].a_type > aclp[j].a_type ) { |
| 1317 | /* ACL entries out of order, swap them */ |
| 1318 | |
| 1319 | hpux_swap_acl_entries((aclp+i), (aclp+j)); |
| 1320 | |
| 1321 | } else if ( aclp[i].a_type == aclp[j].a_type ) { |
| 1322 | |
| 1323 | /* ACL entries of same type, sort by id */ |
| 1324 | |
| 1325 | if(aclp[i].a_id > aclp[j].a_id) { |
| 1326 | hpux_swap_acl_entries((aclp+i), (aclp+j)); |
| 1327 | } else if (aclp[i].a_id == aclp[j].a_id) { |
| 1328 | /* We have a duplicate entry. */ |
| 1329 | if(hpux_prohibited_duplicate_type(aclp[i].a_type)) { |
| 1330 | DEBUG(0, ("hpux_acl_sort: Duplicate entry: Type(hex): %x Id: %d\n", |
| 1331 | aclp[i].a_type, aclp[i].a_id)); |
| 1332 | return -1; |
| 1333 | } |
| 1334 | } |
| 1335 | |
| 1336 | } |
| 1337 | } |
| 1338 | } |
| 1339 | |
| 1340 | /* set the class obj permissions to the computed one. */ |
| 1341 | if(calclass) { |
| 1342 | int n_class_obj_index = -1; |
| 1343 | |
| 1344 | for(i=0;i<acl_count;i++) { |
| 1345 | n_class_obj_perm |= hpux_get_needed_class_perm((aclp+i)); |
| 1346 | |
| 1347 | if(aclp[i].a_type == CLASS_OBJ) |
| 1348 | n_class_obj_index = i; |
| 1349 | } |
| 1350 | aclp[n_class_obj_index].a_perm = n_class_obj_perm; |
| 1351 | } |
| 1352 | |
| 1353 | return 0; |
| 1354 | #else |
| 1355 | return aclsort(acl_count, calclass, aclp); |
| 1356 | #endif |
| 1357 | } |
| 1358 | |
| 1359 | /* |
| 1360 | * sort the ACL and check it for validity |
| 1361 | * |
| 1362 | * if it's a minimal ACL with only 4 entries then we |
| 1363 | * need to recalculate the mask permissions to make |
| 1364 | * sure that they are the same as the GROUP_OBJ |
| 1365 | * permissions as required by the UnixWare acl() system call. |
| 1366 | * |
| 1367 | * (note: since POSIX allows minimal ACLs which only contain |
| 1368 | * 3 entries - ie there is no mask entry - we should, in theory, |
| 1369 | * check for this and add a mask entry if necessary - however |
| 1370 | * we "know" that the caller of this interface always specifies |
| 1371 | * a mask so, in practice "this never happens" (tm) - if it *does* |
| 1372 | * happen aclsort() will fail and return an error and someone will |
| 1373 | * have to fix it ...) |
| 1374 | */ |
| 1375 | |
| 1376 | static int acl_sort(SMB_ACL_T acl_d) |
| 1377 | { |
| 1378 | int fixmask = (acl_d->count <= 4); |
| 1379 | |
| 1380 | if (hpux_acl_sort(acl_d->count, fixmask, acl_d->acl) != 0) { |
| 1381 | errno = EINVAL; |
| 1382 | return -1; |
| 1383 | } |
| 1384 | return 0; |
| 1385 | } |
| 1386 | |
| 1387 | int sys_acl_valid(SMB_ACL_T acl_d) |
| 1388 | { |
| 1389 | return acl_sort(acl_d); |
| 1390 | } |
| 1391 | |
| 1392 | int sys_acl_set_file(const char *name, SMB_ACL_TYPE_T type, SMB_ACL_T acl_d) |
| 1393 | { |
| 1394 | struct stat s; |
| 1395 | struct acl *acl_p; |
| 1396 | int acl_count; |
| 1397 | struct acl *acl_buf = NULL; |
| 1398 | int ret; |
| 1399 | |
| 1400 | if(hpux_acl_call_presence() == False) { |
| 1401 | /* Looks like we don't have the acl() system call on HPUX. |
| 1402 | * May be the system doesn't have the latest version of JFS. |
| 1403 | */ |
| 1404 | errno=ENOSYS; |
| 1405 | return -1; |
| 1406 | } |
| 1407 | |
| 1408 | if (type != SMB_ACL_TYPE_ACCESS && type != SMB_ACL_TYPE_DEFAULT) { |
| 1409 | errno = EINVAL; |
| 1410 | return -1; |
| 1411 | } |
| 1412 | |
| 1413 | if (acl_sort(acl_d) != 0) { |
| 1414 | return -1; |
| 1415 | } |
| 1416 | |
| 1417 | acl_p = &acl_d->acl[0]; |
| 1418 | acl_count = acl_d->count; |
| 1419 | |
| 1420 | /* |
| 1421 | * if it's a directory there is extra work to do |
| 1422 | * since the acl() system call will replace both |
| 1423 | * the access ACLs and the default ACLs (if any) |
| 1424 | */ |
| 1425 | if (stat(name, &s) != 0) { |
| 1426 | return -1; |
| 1427 | } |
| 1428 | if (S_ISDIR(s.st_mode)) { |
| 1429 | SMB_ACL_T acc_acl; |
| 1430 | SMB_ACL_T def_acl; |
| 1431 | SMB_ACL_T tmp_acl; |
| 1432 | int i; |
| 1433 | |
| 1434 | if (type == SMB_ACL_TYPE_ACCESS) { |
| 1435 | acc_acl = acl_d; |
| 1436 | def_acl = tmp_acl = sys_acl_get_file(name, SMB_ACL_TYPE_DEFAULT); |
| 1437 | |
| 1438 | } else { |
| 1439 | def_acl = acl_d; |
| 1440 | acc_acl = tmp_acl = sys_acl_get_file(name, SMB_ACL_TYPE_ACCESS); |
| 1441 | } |
| 1442 | |
| 1443 | if (tmp_acl == NULL) { |
| 1444 | return -1; |
| 1445 | } |
| 1446 | |
| 1447 | /* |
| 1448 | * allocate a temporary buffer for the complete ACL |
| 1449 | */ |
| 1450 | acl_count = acc_acl->count + def_acl->count; |
| 1451 | acl_p = acl_buf = SMB_MALLOC_ARRAY(struct acl, acl_count); |
| 1452 | |
| 1453 | if (acl_buf == NULL) { |
| 1454 | sys_acl_free_acl(tmp_acl); |
| 1455 | errno = ENOMEM; |
| 1456 | return -1; |
| 1457 | } |
| 1458 | |
| 1459 | /* |
| 1460 | * copy the access control and default entries into the buffer |
| 1461 | */ |
| 1462 | memcpy(&acl_buf[0], &acc_acl->acl[0], |
| 1463 | acc_acl->count * sizeof(acl_buf[0])); |
| 1464 | |
| 1465 | memcpy(&acl_buf[acc_acl->count], &def_acl->acl[0], |
| 1466 | def_acl->count * sizeof(acl_buf[0])); |
| 1467 | |
| 1468 | /* |
| 1469 | * set the ACL_DEFAULT flag on the default entries |
| 1470 | */ |
| 1471 | for (i = acc_acl->count; i < acl_count; i++) { |
| 1472 | acl_buf[i].a_type |= ACL_DEFAULT; |
| 1473 | } |
| 1474 | |
| 1475 | sys_acl_free_acl(tmp_acl); |
| 1476 | |
| 1477 | } else if (type != SMB_ACL_TYPE_ACCESS) { |
| 1478 | errno = EINVAL; |
| 1479 | return -1; |
| 1480 | } |
| 1481 | |
| 1482 | ret = acl(name, ACL_SET, acl_count, acl_p); |
| 1483 | |
| 1484 | if (acl_buf) { |
| 1485 | free(acl_buf); |
| 1486 | } |
| 1487 | |
| 1488 | return ret; |
| 1489 | } |
| 1490 | |
| 1491 | #if 0 |
| 1492 | int sys_acl_set_fd(int fd, SMB_ACL_T acl_d) |
| 1493 | { |
| 1494 | /* |
| 1495 | * HPUX doesn't have the facl call. Fake it using the path.... JRA. |
| 1496 | */ |
| 1497 | |
| 1498 | files_struct *fsp = file_find_fd(fd); |
| 1499 | |
| 1500 | if (fsp == NULL) { |
| 1501 | errno = EBADF; |
| 1502 | return NULL; |
| 1503 | } |
| 1504 | |
| 1505 | if (acl_sort(acl_d) != 0) { |
| 1506 | return -1; |
| 1507 | } |
| 1508 | |
| 1509 | /* |
| 1510 | * We know we're in the same conn context. So we |
| 1511 | * can use the relative path. |
| 1512 | */ |
| 1513 | |
| 1514 | return sys_acl_set_file(fsp->fsp_name, SMB_ACL_TYPE_ACCESS, acl_d); |
| 1515 | } |
| 1516 | #endif |
| 1517 | |
| 1518 | int sys_acl_delete_def_file(const char *path) |
| 1519 | { |
| 1520 | SMB_ACL_T acl_d; |
| 1521 | int ret; |
| 1522 | |
| 1523 | /* |
| 1524 | * fetching the access ACL and rewriting it has |
| 1525 | * the effect of deleting the default ACL |
| 1526 | */ |
| 1527 | if ((acl_d = sys_acl_get_file(path, SMB_ACL_TYPE_ACCESS)) == NULL) { |
| 1528 | return -1; |
| 1529 | } |
| 1530 | |
| 1531 | ret = acl(path, ACL_SET, acl_d->count, acl_d->acl); |
| 1532 | |
| 1533 | sys_acl_free_acl(acl_d); |
| 1534 | |
| 1535 | return ret; |
| 1536 | } |
| 1537 | |
| 1538 | int sys_acl_free_acl(SMB_ACL_T acl_d) |
| 1539 | { |
| 1540 | free(acl_d); |
| 1541 | return 0; |
| 1542 | } |
| 1543 | |
| 1544 | #elif defined(HAVE_IRIX_ACLS) /*---------------------------------------------*/ |
| 1545 | |
| 1546 | int sys_acl_get_entry(SMB_ACL_T acl_d, int entry_id, SMB_ACL_ENTRY_T *entry_p) |
| 1547 | { |
| 1548 | if (entry_id != SMB_ACL_FIRST_ENTRY && entry_id != SMB_ACL_NEXT_ENTRY) { |
| 1549 | errno = EINVAL; |
| 1550 | return -1; |
| 1551 | } |
| 1552 | |
| 1553 | if (entry_p == NULL) { |
| 1554 | errno = EINVAL; |
| 1555 | return -1; |
| 1556 | } |
| 1557 | |
| 1558 | if (entry_id == SMB_ACL_FIRST_ENTRY) { |
| 1559 | acl_d->next = 0; |
| 1560 | } |
| 1561 | |
| 1562 | if (acl_d->next < 0) { |
| 1563 | errno = EINVAL; |
| 1564 | return -1; |
| 1565 | } |
| 1566 | |
| 1567 | if (acl_d->next >= acl_d->aclp->acl_cnt) { |
| 1568 | return 0; |
| 1569 | } |
| 1570 | |
| 1571 | *entry_p = &acl_d->aclp->acl_entry[acl_d->next++]; |
| 1572 | |
| 1573 | return 1; |
| 1574 | } |
| 1575 | |
| 1576 | int sys_acl_get_tag_type(SMB_ACL_ENTRY_T entry_d, SMB_ACL_TAG_T *type_p) |
| 1577 | { |
| 1578 | *type_p = entry_d->ae_tag; |
| 1579 | |
| 1580 | return 0; |
| 1581 | } |
| 1582 | |
| 1583 | SMB_ACL_T sys_acl_get_file(const char *path_p, SMB_ACL_TYPE_T type) |
| 1584 | { |
| 1585 | SMB_ACL_T a; |
| 1586 | |
| 1587 | if ((a = SMB_MALLOC_P(struct SMB_ACL_T)) == NULL) { |
| 1588 | errno = ENOMEM; |
| 1589 | return NULL; |
| 1590 | } |
| 1591 | if ((a->aclp = acl_get_file(path_p, type)) == NULL) { |
| 1592 | SAFE_FREE(a); |
| 1593 | return NULL; |
| 1594 | } |
| 1595 | a->next = -1; |
| 1596 | a->freeaclp = True; |
| 1597 | return a; |
| 1598 | } |
| 1599 | |
| 1600 | #if 0 |
| 1601 | SMB_ACL_T sys_acl_get_fd(int fd) |
| 1602 | { |
| 1603 | SMB_ACL_T a; |
| 1604 | |
| 1605 | if ((a = SMB_MALLOC_P(struct SMB_ACL_T)) == NULL) { |
| 1606 | errno = ENOMEM; |
| 1607 | return NULL; |
| 1608 | } |
| 1609 | if ((a->aclp = acl_get_fd(fd)) == NULL) { |
| 1610 | SAFE_FREE(a); |
| 1611 | return NULL; |
| 1612 | } |
| 1613 | a->next = -1; |
| 1614 | a->freeaclp = True; |
| 1615 | return a; |
| 1616 | } |
| 1617 | #endif |
| 1618 | |
| 1619 | int sys_acl_get_info(SMB_ACL_ENTRY_T entry, SMB_ACL_TAG_T *tag_type_p, uint32 *bits_p, id_t *u_g_id_p) |
| 1620 | { |
| 1621 | *tag_type_p = entry->ae_tag; |
| 1622 | |
| 1623 | *bits_p = entry->ae_perm; |
| 1624 | |
| 1625 | if (*tag_type_p == SMB_ACL_USER || *tag_type_p == SMB_ACL_GROUP) |
| 1626 | *u_g_id_p = entry->ae_id; |
| 1627 | |
| 1628 | return 0; |
| 1629 | } |
| 1630 | |
| 1631 | SMB_ACL_T sys_acl_init(int count) |
| 1632 | { |
| 1633 | SMB_ACL_T a; |
| 1634 | |
| 1635 | if (count < 0) { |
| 1636 | errno = EINVAL; |
| 1637 | return NULL; |
| 1638 | } |
| 1639 | |
| 1640 | if ((a = SMB_MALLOC(sizeof(struct SMB_ACL_T) + sizeof(struct acl))) == NULL) { |
| 1641 | errno = ENOMEM; |
| 1642 | return NULL; |
| 1643 | } |
| 1644 | |
| 1645 | a->next = -1; |
| 1646 | a->freeaclp = False; |
| 1647 | a->aclp = (struct acl *)(&a->aclp + sizeof(struct acl *)); |
| 1648 | a->aclp->acl_cnt = 0; |
| 1649 | |
| 1650 | return a; |
| 1651 | } |
| 1652 | |
| 1653 | |
| 1654 | int sys_acl_create_entry(SMB_ACL_T *acl_p, SMB_ACL_ENTRY_T *entry_p) |
| 1655 | { |
| 1656 | SMB_ACL_T acl_d; |
| 1657 | SMB_ACL_ENTRY_T entry_d; |
| 1658 | |
| 1659 | if (acl_p == NULL || entry_p == NULL || (acl_d = *acl_p) == NULL) { |
| 1660 | errno = EINVAL; |
| 1661 | return -1; |
| 1662 | } |
| 1663 | |
| 1664 | if (acl_d->aclp->acl_cnt >= ACL_MAX_ENTRIES) { |
| 1665 | errno = ENOSPC; |
| 1666 | return -1; |
| 1667 | } |
| 1668 | |
| 1669 | entry_d = &acl_d->aclp->acl_entry[acl_d->aclp->acl_cnt++]; |
| 1670 | entry_d->ae_tag = 0; |
| 1671 | entry_d->ae_id = 0; |
| 1672 | entry_d->ae_perm = 0; |
| 1673 | *entry_p = entry_d; |
| 1674 | |
| 1675 | return 0; |
| 1676 | } |
| 1677 | |
| 1678 | int sys_acl_set_info(SMB_ACL_ENTRY_T entry, SMB_ACL_TAG_T tag_type, uint32 bits, id_t u_g_id) |
| 1679 | { |
| 1680 | entry->ae_tag = tag_type; |
| 1681 | |
| 1682 | if (tag_type == SMB_ACL_USER || tag_type == SMB_ACL_GROUP) |
| 1683 | entry->ae_id = u_g_id; |
| 1684 | |
| 1685 | entry->ae_perm = bits; |
| 1686 | |
| 1687 | return 0; |
| 1688 | } |
| 1689 | |
| 1690 | int sys_acl_set_access_bits(SMB_ACL_ENTRY_T entry_d, uint32 bits) |
| 1691 | { |
| 1692 | entry_d->ae_perm = bits; |
| 1693 | |
| 1694 | return 0; |
| 1695 | } |
| 1696 | |
| 1697 | int sys_acl_valid(SMB_ACL_T acl_d) |
| 1698 | { |
| 1699 | return acl_valid(acl_d->aclp); |
| 1700 | } |
| 1701 | |
| 1702 | int sys_acl_set_file(const char *name, SMB_ACL_TYPE_T type, SMB_ACL_T acl_d) |
| 1703 | { |
| 1704 | return acl_set_file(name, type, acl_d->aclp); |
| 1705 | } |
| 1706 | |
| 1707 | #if 0 |
| 1708 | int sys_acl_set_fd(int fd, SMB_ACL_T acl_d) |
| 1709 | { |
| 1710 | return acl_set_fd(fd, acl_d->aclp); |
| 1711 | } |
| 1712 | #endif |
| 1713 | |
| 1714 | int sys_acl_delete_def_file(const char *name) |
| 1715 | { |
| 1716 | return acl_delete_def_file(name); |
| 1717 | } |
| 1718 | |
| 1719 | int sys_acl_free_acl(SMB_ACL_T acl_d) |
| 1720 | { |
| 1721 | if (acl_d->freeaclp) { |
| 1722 | acl_free(acl_d->aclp); |
| 1723 | } |
| 1724 | acl_free(acl_d); |
| 1725 | return 0; |
| 1726 | } |
| 1727 | |
| 1728 | #elif defined(HAVE_AIX_ACLS) /*----------------------------------------------*/ |
| 1729 | |
| 1730 | /* Donated by Medha Date, mdate@austin.ibm.com, for IBM */ |
| 1731 | |
| 1732 | int sys_acl_get_entry( SMB_ACL_T theacl, int entry_id, SMB_ACL_ENTRY_T *entry_p) |
| 1733 | { |
| 1734 | struct acl_entry_link *link; |
| 1735 | struct new_acl_entry *entry; |
| 1736 | int keep_going; |
| 1737 | |
| 1738 | DEBUG(10,("This is the count: %d\n",theacl->count)); |
| 1739 | |
| 1740 | /* Check if count was previously set to -1. * |
| 1741 | * If it was, that means we reached the end * |
| 1742 | * of the acl last time. */ |
| 1743 | if(theacl->count == -1) |
| 1744 | return(0); |
| 1745 | |
| 1746 | link = theacl; |
| 1747 | /* To get to the next acl, traverse linked list until index * |
| 1748 | * of acl matches the count we are keeping. This count is * |
| 1749 | * incremented each time we return an acl entry. */ |
| 1750 | |
| 1751 | for(keep_going = 0; keep_going < theacl->count; keep_going++) |
| 1752 | link = link->nextp; |
| 1753 | |
| 1754 | entry = *entry_p = link->entryp; |
| 1755 | |
| 1756 | DEBUG(10,("*entry_p is %d\n",entry_p)); |
| 1757 | DEBUG(10,("*entry_p->ace_access is %d\n",entry->ace_access)); |
| 1758 | |
| 1759 | /* Increment count */ |
| 1760 | theacl->count++; |
| 1761 | if(link->nextp == NULL) |
| 1762 | theacl->count = -1; |
| 1763 | |
| 1764 | return(1); |
| 1765 | } |
| 1766 | |
| 1767 | int sys_acl_get_tag_type( SMB_ACL_ENTRY_T entry_d, SMB_ACL_TAG_T *tag_type_p) |
| 1768 | { |
| 1769 | /* Initialize tag type */ |
| 1770 | |
| 1771 | *tag_type_p = -1; |
| 1772 | DEBUG(10,("the tagtype is %d\n",entry_d->ace_id->id_type)); |
| 1773 | |
| 1774 | /* Depending on what type of entry we have, * |
| 1775 | * return tag type. */ |
| 1776 | switch(entry_d->ace_id->id_type) { |
| 1777 | case ACEID_USER: |
| 1778 | *tag_type_p = SMB_ACL_USER; |
| 1779 | break; |
| 1780 | case ACEID_GROUP: |
| 1781 | *tag_type_p = SMB_ACL_GROUP; |
| 1782 | break; |
| 1783 | |
| 1784 | case SMB_ACL_USER_OBJ: |
| 1785 | case SMB_ACL_GROUP_OBJ: |
| 1786 | case SMB_ACL_OTHER: |
| 1787 | *tag_type_p = entry_d->ace_id->id_type; |
| 1788 | break; |
| 1789 | |
| 1790 | default: |
| 1791 | return(-1); |
| 1792 | } |
| 1793 | |
| 1794 | return(0); |
| 1795 | } |
| 1796 | |
| 1797 | SMB_ACL_T sys_acl_get_file( const char *path_p, SMB_ACL_TYPE_T type) |
| 1798 | { |
| 1799 | struct acl *file_acl = (struct acl *)NULL; |
| 1800 | struct acl_entry *acl_entry; |
| 1801 | struct new_acl_entry *new_acl_entry; |
| 1802 | struct ace_id *idp; |
| 1803 | struct acl_entry_link *acl_entry_link; |
| 1804 | struct acl_entry_link *acl_entry_link_head; |
| 1805 | int i; |
| 1806 | int rc = 0; |
| 1807 | uid_t user_id; |
| 1808 | |
| 1809 | /* AIX has no DEFAULT */ |
| 1810 | if ( type == SMB_ACL_TYPE_DEFAULT ) { |
| 1811 | errno = ENOTSUP; |
| 1812 | return NULL; |
| 1813 | } |
| 1814 | |
| 1815 | /* Get the acl using statacl */ |
| 1816 | |
| 1817 | DEBUG(10,("Entering sys_acl_get_file\n")); |
| 1818 | DEBUG(10,("path_p is %s\n",path_p)); |
| 1819 | |
| 1820 | file_acl = (struct acl *)SMB_MALLOC(BUFSIZ); |
| 1821 | |
| 1822 | if(file_acl == NULL) { |
| 1823 | errno=ENOMEM; |
| 1824 | DEBUG(0,("Error in AIX sys_acl_get_file: %d\n",errno)); |
| 1825 | return(NULL); |
| 1826 | } |
| 1827 | |
| 1828 | memset(file_acl,0,BUFSIZ); |
| 1829 | |
| 1830 | rc = statacl((char *)path_p,0,file_acl,BUFSIZ); |
| 1831 | if(rc == -1) { |
| 1832 | DEBUG(0,("statacl returned %d with errno %d\n",rc,errno)); |
| 1833 | SAFE_FREE(file_acl); |
| 1834 | return(NULL); |
| 1835 | } |
| 1836 | |
| 1837 | DEBUG(10,("Got facl and returned it\n")); |
| 1838 | |
| 1839 | /* Point to the first acl entry in the acl */ |
| 1840 | acl_entry = file_acl->acl_ext; |
| 1841 | |
| 1842 | /* Begin setting up the head of the linked list * |
| 1843 | * that will be used for the storing the acl * |
| 1844 | * in a way that is useful for the posix_acls.c * |
| 1845 | * code. */ |
| 1846 | |
| 1847 | acl_entry_link_head = acl_entry_link = sys_acl_init(0); |
| 1848 | if(acl_entry_link_head == NULL) |
| 1849 | return(NULL); |
| 1850 | |
| 1851 | acl_entry_link->entryp = SMB_MALLOC_P(struct new_acl_entry); |
| 1852 | if(acl_entry_link->entryp == NULL) { |
| 1853 | SAFE_FREE(file_acl); |
| 1854 | errno = ENOMEM; |
| 1855 | DEBUG(0,("Error in AIX sys_acl_get_file is %d\n",errno)); |
| 1856 | return(NULL); |
| 1857 | } |
| 1858 | |
| 1859 | DEBUG(10,("acl_entry is %d\n",acl_entry)); |
| 1860 | DEBUG(10,("acl_last(file_acl) id %d\n",acl_last(file_acl))); |
| 1861 | |
| 1862 | /* Check if the extended acl bit is on. * |
| 1863 | * If it isn't, do not show the * |
| 1864 | * contents of the acl since AIX intends * |
| 1865 | * the extended info to remain unused */ |
| 1866 | |
| 1867 | if(file_acl->acl_mode & S_IXACL){ |
| 1868 | /* while we are not pointing to the very end */ |
| 1869 | while(acl_entry < acl_last(file_acl)) { |
| 1870 | /* before we malloc anything, make sure this is */ |
| 1871 | /* a valid acl entry and one that we want to map */ |
| 1872 | idp = id_nxt(acl_entry->ace_id); |
| 1873 | if((acl_entry->ace_type == ACC_SPECIFY || |
| 1874 | (acl_entry->ace_type == ACC_PERMIT)) && (idp != id_last(acl_entry))) { |
| 1875 | acl_entry = acl_nxt(acl_entry); |
| 1876 | continue; |
| 1877 | } |
| 1878 | |
| 1879 | idp = acl_entry->ace_id; |
| 1880 | |
| 1881 | /* Check if this is the first entry in the linked list. * |
| 1882 | * The first entry needs to keep prevp pointing to NULL * |
| 1883 | * and already has entryp allocated. */ |
| 1884 | |
| 1885 | if(acl_entry_link_head->count != 0) { |
| 1886 | acl_entry_link->nextp = SMB_MALLOC_P(struct acl_entry_link); |
| 1887 | |
| 1888 | if(acl_entry_link->nextp == NULL) { |
| 1889 | SAFE_FREE(file_acl); |
| 1890 | errno = ENOMEM; |
| 1891 | DEBUG(0,("Error in AIX sys_acl_get_file is %d\n",errno)); |
| 1892 | return(NULL); |
| 1893 | } |
| 1894 | |
| 1895 | acl_entry_link->nextp->prevp = acl_entry_link; |
| 1896 | acl_entry_link = acl_entry_link->nextp; |
| 1897 | acl_entry_link->entryp = SMB_MALLOC_P(struct new_acl_entry); |
| 1898 | if(acl_entry_link->entryp == NULL) { |
| 1899 | SAFE_FREE(file_acl); |
| 1900 | errno = ENOMEM; |
| 1901 | DEBUG(0,("Error in AIX sys_acl_get_file is %d\n",errno)); |
| 1902 | return(NULL); |
| 1903 | } |
| 1904 | acl_entry_link->nextp = NULL; |
| 1905 | } |
| 1906 | |
| 1907 | acl_entry_link->entryp->ace_len = acl_entry->ace_len; |
| 1908 | |
| 1909 | /* Don't really need this since all types are going * |
| 1910 | * to be specified but, it's better than leaving it 0 */ |
| 1911 | |
| 1912 | acl_entry_link->entryp->ace_type = acl_entry->ace_type; |
| 1913 | |
| 1914 | acl_entry_link->entryp->ace_access = acl_entry->ace_access; |
| 1915 | |
| 1916 | memcpy(acl_entry_link->entryp->ace_id,idp,sizeof(struct ace_id)); |
| 1917 | |
| 1918 | /* The access in the acl entries must be left shifted by * |
| 1919 | * three bites, because they will ultimately be compared * |
| 1920 | * to S_IRUSR, S_IWUSR, and S_IXUSR. */ |
| 1921 | |
| 1922 | switch(acl_entry->ace_type){ |
| 1923 | case ACC_PERMIT: |
| 1924 | case ACC_SPECIFY: |
| 1925 | acl_entry_link->entryp->ace_access = acl_entry->ace_access; |
| 1926 | acl_entry_link->entryp->ace_access <<= 6; |
| 1927 | acl_entry_link_head->count++; |
| 1928 | break; |
| 1929 | case ACC_DENY: |
| 1930 | /* Since there is no way to return a DENY acl entry * |
| 1931 | * change to PERMIT and then shift. */ |
| 1932 | DEBUG(10,("acl_entry->ace_access is %d\n",acl_entry->ace_access)); |
| 1933 | acl_entry_link->entryp->ace_access = ~acl_entry->ace_access & 7; |
| 1934 | DEBUG(10,("acl_entry_link->entryp->ace_access is %d\n",acl_entry_link->entryp->ace_access)); |
| 1935 | acl_entry_link->entryp->ace_access <<= 6; |
| 1936 | acl_entry_link_head->count++; |
| 1937 | break; |
| 1938 | default: |
| 1939 | return(0); |
| 1940 | } |
| 1941 | |
| 1942 | DEBUG(10,("acl_entry = %d\n",acl_entry)); |
| 1943 | DEBUG(10,("The ace_type is %d\n",acl_entry->ace_type)); |
| 1944 | |
| 1945 | acl_entry = acl_nxt(acl_entry); |
| 1946 | } |
| 1947 | } /* end of if enabled */ |
| 1948 | |
| 1949 | /* Since owner, group, other acl entries are not * |
| 1950 | * part of the acl entries in an acl, they must * |
| 1951 | * be dummied up to become part of the list. */ |
| 1952 | |
| 1953 | for( i = 1; i < 4; i++) { |
| 1954 | DEBUG(10,("i is %d\n",i)); |
| 1955 | if(acl_entry_link_head->count != 0) { |
| 1956 | acl_entry_link->nextp = SMB_MALLOC_P(struct acl_entry_link); |
| 1957 | if(acl_entry_link->nextp == NULL) { |
| 1958 | SAFE_FREE(file_acl); |
| 1959 | errno = ENOMEM; |
| 1960 | DEBUG(0,("Error in AIX sys_acl_get_file is %d\n",errno)); |
| 1961 | return(NULL); |
| 1962 | } |
| 1963 | |
| 1964 | acl_entry_link->nextp->prevp = acl_entry_link; |
| 1965 | acl_entry_link = acl_entry_link->nextp; |
| 1966 | acl_entry_link->entryp = SMB_MALLOC_P(struct new_acl_entry); |
| 1967 | if(acl_entry_link->entryp == NULL) { |
| 1968 | SAFE_FREE(file_acl); |
| 1969 | errno = ENOMEM; |
| 1970 | DEBUG(0,("Error in AIX sys_acl_get_file is %d\n",errno)); |
| 1971 | return(NULL); |
| 1972 | } |
| 1973 | } |
| 1974 | |
| 1975 | acl_entry_link->nextp = NULL; |
| 1976 | |
| 1977 | new_acl_entry = acl_entry_link->entryp; |
| 1978 | idp = new_acl_entry->ace_id; |
| 1979 | |
| 1980 | new_acl_entry->ace_len = sizeof(struct acl_entry); |
| 1981 | new_acl_entry->ace_type = ACC_PERMIT; |
| 1982 | idp->id_len = sizeof(struct ace_id); |
| 1983 | DEBUG(10,("idp->id_len = %d\n",idp->id_len)); |
| 1984 | memset(idp->id_data,0,sizeof(uid_t)); |
| 1985 | |
| 1986 | switch(i) { |
| 1987 | case 2: |
| 1988 | new_acl_entry->ace_access = file_acl->g_access << 6; |
| 1989 | idp->id_type = SMB_ACL_GROUP_OBJ; |
| 1990 | break; |
| 1991 | |
| 1992 | case 3: |
| 1993 | new_acl_entry->ace_access = file_acl->o_access << 6; |
| 1994 | idp->id_type = SMB_ACL_OTHER; |
| 1995 | break; |
| 1996 | |
| 1997 | case 1: |
| 1998 | new_acl_entry->ace_access = file_acl->u_access << 6; |
| 1999 | idp->id_type = SMB_ACL_USER_OBJ; |
| 2000 | break; |
| 2001 | |
| 2002 | default: |
| 2003 | return(NULL); |
| 2004 | |
| 2005 | } |
| 2006 | |
| 2007 | acl_entry_link_head->count++; |
| 2008 | DEBUG(10,("new_acl_entry->ace_access = %d\n",new_acl_entry->ace_access)); |
| 2009 | } |
| 2010 | |
| 2011 | acl_entry_link_head->count = 0; |
| 2012 | SAFE_FREE(file_acl); |
| 2013 | |
| 2014 | return(acl_entry_link_head); |
| 2015 | } |
| 2016 | |
| 2017 | #if 0 |
| 2018 | SMB_ACL_T sys_acl_get_fd(int fd) |
| 2019 | { |
| 2020 | struct acl *file_acl = (struct acl *)NULL; |
| 2021 | struct acl_entry *acl_entry; |
| 2022 | struct new_acl_entry *new_acl_entry; |
| 2023 | struct ace_id *idp; |
| 2024 | struct acl_entry_link *acl_entry_link; |
| 2025 | struct acl_entry_link *acl_entry_link_head; |
| 2026 | int i; |
| 2027 | int rc = 0; |
| 2028 | uid_t user_id; |
| 2029 | |
| 2030 | /* Get the acl using fstatacl */ |
| 2031 | |
| 2032 | DEBUG(10,("Entering sys_acl_get_fd\n")); |
| 2033 | DEBUG(10,("fd is %d\n",fd)); |
| 2034 | file_acl = (struct acl *)SMB_MALLOC(BUFSIZ); |
| 2035 | |
| 2036 | if(file_acl == NULL) { |
| 2037 | errno=ENOMEM; |
| 2038 | DEBUG(0,("Error in sys_acl_get_fd is %d\n",errno)); |
| 2039 | return(NULL); |
| 2040 | } |
| 2041 | |
| 2042 | memset(file_acl,0,BUFSIZ); |
| 2043 | |
| 2044 | rc = fstatacl(fd,0,file_acl,BUFSIZ); |
| 2045 | if(rc == -1) { |
| 2046 | DEBUG(0,("The fstatacl call returned %d with errno %d\n",rc,errno)); |
| 2047 | SAFE_FREE(file_acl); |
| 2048 | return(NULL); |
| 2049 | } |
| 2050 | |
| 2051 | DEBUG(10,("Got facl and returned it\n")); |
| 2052 | |
| 2053 | /* Point to the first acl entry in the acl */ |
| 2054 | |
| 2055 | acl_entry = file_acl->acl_ext; |
| 2056 | /* Begin setting up the head of the linked list * |
| 2057 | * that will be used for the storing the acl * |
| 2058 | * in a way that is useful for the posix_acls.c * |
| 2059 | * code. */ |
| 2060 | |
| 2061 | acl_entry_link_head = acl_entry_link = sys_acl_init(0); |
| 2062 | if(acl_entry_link_head == NULL){ |
| 2063 | SAFE_FREE(file_acl); |
| 2064 | return(NULL); |
| 2065 | } |
| 2066 | |
| 2067 | acl_entry_link->entryp = SMB_MALLOC_P(struct new_acl_entry); |
| 2068 | |
| 2069 | if(acl_entry_link->entryp == NULL) { |
| 2070 | errno = ENOMEM; |
| 2071 | DEBUG(0,("Error in sys_acl_get_fd is %d\n",errno)); |
| 2072 | SAFE_FREE(file_acl); |
| 2073 | return(NULL); |
| 2074 | } |
| 2075 | |
| 2076 | DEBUG(10,("acl_entry is %d\n",acl_entry)); |
| 2077 | DEBUG(10,("acl_last(file_acl) id %d\n",acl_last(file_acl))); |
| 2078 | |
| 2079 | /* Check if the extended acl bit is on. * |
| 2080 | * If it isn't, do not show the * |
| 2081 | * contents of the acl since AIX intends * |
| 2082 | * the extended info to remain unused */ |
| 2083 | |
| 2084 | if(file_acl->acl_mode & S_IXACL){ |
| 2085 | /* while we are not pointing to the very end */ |
| 2086 | while(acl_entry < acl_last(file_acl)) { |
| 2087 | /* before we malloc anything, make sure this is */ |
| 2088 | /* a valid acl entry and one that we want to map */ |
| 2089 | |
| 2090 | idp = id_nxt(acl_entry->ace_id); |
| 2091 | if((acl_entry->ace_type == ACC_SPECIFY || |
| 2092 | (acl_entry->ace_type == ACC_PERMIT)) && (idp != id_last(acl_entry))) { |
| 2093 | acl_entry = acl_nxt(acl_entry); |
| 2094 | continue; |
| 2095 | } |
| 2096 | |
| 2097 | idp = acl_entry->ace_id; |
| 2098 | |
| 2099 | /* Check if this is the first entry in the linked list. * |
| 2100 | * The first entry needs to keep prevp pointing to NULL * |
| 2101 | * and already has entryp allocated. */ |
| 2102 | |
| 2103 | if(acl_entry_link_head->count != 0) { |
| 2104 | acl_entry_link->nextp = SMB_MALLOC_P(struct acl_entry_link); |
| 2105 | if(acl_entry_link->nextp == NULL) { |
| 2106 | errno = ENOMEM; |
| 2107 | DEBUG(0,("Error in sys_acl_get_fd is %d\n",errno)); |
| 2108 | SAFE_FREE(file_acl); |
| 2109 | return(NULL); |
| 2110 | } |
| 2111 | acl_entry_link->nextp->prevp = acl_entry_link; |
| 2112 | acl_entry_link = acl_entry_link->nextp; |
| 2113 | acl_entry_link->entryp = SMB_MALLOC_P(struct new_acl_entry); |
| 2114 | if(acl_entry_link->entryp == NULL) { |
| 2115 | errno = ENOMEM; |
| 2116 | DEBUG(0,("Error in sys_acl_get_fd is %d\n",errno)); |
| 2117 | SAFE_FREE(file_acl); |
| 2118 | return(NULL); |
| 2119 | } |
| 2120 | |
| 2121 | acl_entry_link->nextp = NULL; |
| 2122 | } |
| 2123 | |
| 2124 | acl_entry_link->entryp->ace_len = acl_entry->ace_len; |
| 2125 | |
| 2126 | /* Don't really need this since all types are going * |
| 2127 | * to be specified but, it's better than leaving it 0 */ |
| 2128 | |
| 2129 | acl_entry_link->entryp->ace_type = acl_entry->ace_type; |
| 2130 | acl_entry_link->entryp->ace_access = acl_entry->ace_access; |
| 2131 | |
| 2132 | memcpy(acl_entry_link->entryp->ace_id, idp, sizeof(struct ace_id)); |
| 2133 | |
| 2134 | /* The access in the acl entries must be left shifted by * |
| 2135 | * three bites, because they will ultimately be compared * |
| 2136 | * to S_IRUSR, S_IWUSR, and S_IXUSR. */ |
| 2137 | |
| 2138 | switch(acl_entry->ace_type){ |
| 2139 | case ACC_PERMIT: |
| 2140 | case ACC_SPECIFY: |
| 2141 | acl_entry_link->entryp->ace_access = acl_entry->ace_access; |
| 2142 | acl_entry_link->entryp->ace_access <<= 6; |
| 2143 | acl_entry_link_head->count++; |
| 2144 | break; |
| 2145 | case ACC_DENY: |
| 2146 | /* Since there is no way to return a DENY acl entry * |
| 2147 | * change to PERMIT and then shift. */ |
| 2148 | DEBUG(10,("acl_entry->ace_access is %d\n",acl_entry->ace_access)); |
| 2149 | acl_entry_link->entryp->ace_access = ~acl_entry->ace_access & 7; |
| 2150 | DEBUG(10,("acl_entry_link->entryp->ace_access is %d\n",acl_entry_link->entryp->ace_access)); |
| 2151 | acl_entry_link->entryp->ace_access <<= 6; |
| 2152 | acl_entry_link_head->count++; |
| 2153 | break; |
| 2154 | default: |
| 2155 | return(0); |
| 2156 | } |
| 2157 | |
| 2158 | DEBUG(10,("acl_entry = %d\n",acl_entry)); |
| 2159 | DEBUG(10,("The ace_type is %d\n",acl_entry->ace_type)); |
| 2160 | |
| 2161 | acl_entry = acl_nxt(acl_entry); |
| 2162 | } |
| 2163 | } /* end of if enabled */ |
| 2164 | |
| 2165 | /* Since owner, group, other acl entries are not * |
| 2166 | * part of the acl entries in an acl, they must * |
| 2167 | * be dummied up to become part of the list. */ |
| 2168 | |
| 2169 | for( i = 1; i < 4; i++) { |
| 2170 | DEBUG(10,("i is %d\n",i)); |
| 2171 | if(acl_entry_link_head->count != 0){ |
| 2172 | acl_entry_link->nextp = SMB_MALLOC_P(struct acl_entry_link); |
| 2173 | if(acl_entry_link->nextp == NULL) { |
| 2174 | errno = ENOMEM; |
| 2175 | DEBUG(0,("Error in sys_acl_get_fd is %d\n",errno)); |
| 2176 | SAFE_FREE(file_acl); |
| 2177 | return(NULL); |
| 2178 | } |
| 2179 | |
| 2180 | acl_entry_link->nextp->prevp = acl_entry_link; |
| 2181 | acl_entry_link = acl_entry_link->nextp; |
| 2182 | acl_entry_link->entryp = SMB_MALLOC_P(struct new_acl_entry); |
| 2183 | |
| 2184 | if(acl_entry_link->entryp == NULL) { |
| 2185 | SAFE_FREE(file_acl); |
| 2186 | errno = ENOMEM; |
| 2187 | DEBUG(0,("Error in sys_acl_get_fd is %d\n",errno)); |
| 2188 | return(NULL); |
| 2189 | } |
| 2190 | } |
| 2191 | |
| 2192 | acl_entry_link->nextp = NULL; |
| 2193 | |
| 2194 | new_acl_entry = acl_entry_link->entryp; |
| 2195 | idp = new_acl_entry->ace_id; |
| 2196 | |
| 2197 | new_acl_entry->ace_len = sizeof(struct acl_entry); |
| 2198 | new_acl_entry->ace_type = ACC_PERMIT; |
| 2199 | idp->id_len = sizeof(struct ace_id); |
| 2200 | DEBUG(10,("idp->id_len = %d\n",idp->id_len)); |
| 2201 | memset(idp->id_data,0,sizeof(uid_t)); |
| 2202 | |
| 2203 | switch(i) { |
| 2204 | case 2: |
| 2205 | new_acl_entry->ace_access = file_acl->g_access << 6; |
| 2206 | idp->id_type = SMB_ACL_GROUP_OBJ; |
| 2207 | break; |
| 2208 | |
| 2209 | case 3: |
| 2210 | new_acl_entry->ace_access = file_acl->o_access << 6; |
| 2211 | idp->id_type = SMB_ACL_OTHER; |
| 2212 | break; |
| 2213 | |
| 2214 | case 1: |
| 2215 | new_acl_entry->ace_access = file_acl->u_access << 6; |
| 2216 | idp->id_type = SMB_ACL_USER_OBJ; |
| 2217 | break; |
| 2218 | |
| 2219 | default: |
| 2220 | return(NULL); |
| 2221 | } |
| 2222 | |
| 2223 | acl_entry_link_head->count++; |
| 2224 | DEBUG(10,("new_acl_entry->ace_access = %d\n",new_acl_entry->ace_access)); |
| 2225 | } |
| 2226 | |
| 2227 | acl_entry_link_head->count = 0; |
| 2228 | SAFE_FREE(file_acl); |
| 2229 | |
| 2230 | return(acl_entry_link_head); |
| 2231 | } |
| 2232 | #endif |
| 2233 | |
| 2234 | int sys_acl_get_info(SMB_ACL_ENTRY_T entry, SMB_ACL_TAG_T *tag_type_p, uint32 *bits_p, id_t *u_g_id_p) |
| 2235 | { |
| 2236 | uint *permset; |
| 2237 | |
| 2238 | if (sys_acl_get_tag_type(entry, tag_type_p) != 0) |
| 2239 | return -1; |
| 2240 | |
| 2241 | if (*tag_type_p == SMB_ACL_USER || *tag_type_p == SMB_ACL_GROUP) |
| 2242 | memcpy(u_g_id_p, entry->ace_id->id_data, sizeof (id_t)); |
| 2243 | |
| 2244 | permset = &entry->ace_access; |
| 2245 | |
| 2246 | DEBUG(10,("*permset is %d\n",*permset)); |
| 2247 | *bits_p = (*permset & S_IRUSR ? 4 : 0) |
| 2248 | | (*permset & S_IWUSR ? 2 : 0) |
| 2249 | | (*permset & S_IXUSR ? 1 : 0); |
| 2250 | |
| 2251 | return 0; |
| 2252 | } |
| 2253 | |
| 2254 | SMB_ACL_T sys_acl_init( int count) |
| 2255 | { |
| 2256 | struct acl_entry_link *theacl = NULL; |
| 2257 | |
| 2258 | DEBUG(10,("Entering sys_acl_init\n")); |
| 2259 | |
| 2260 | theacl = SMB_MALLOC_P(struct acl_entry_link); |
| 2261 | if(theacl == NULL) { |
| 2262 | errno = ENOMEM; |
| 2263 | DEBUG(0,("Error in sys_acl_init is %d\n",errno)); |
| 2264 | return(NULL); |
| 2265 | } |
| 2266 | |
| 2267 | theacl->count = 0; |
| 2268 | theacl->nextp = NULL; |
| 2269 | theacl->prevp = NULL; |
| 2270 | theacl->entryp = NULL; |
| 2271 | DEBUG(10,("Exiting sys_acl_init\n")); |
| 2272 | return(theacl); |
| 2273 | } |
| 2274 | |
| 2275 | int sys_acl_create_entry( SMB_ACL_T *pacl, SMB_ACL_ENTRY_T *pentry) |
| 2276 | { |
| 2277 | struct acl_entry_link *theacl; |
| 2278 | struct acl_entry_link *acl_entryp; |
| 2279 | struct acl_entry_link *temp_entry; |
| 2280 | int counting; |
| 2281 | |
| 2282 | DEBUG(10,("Entering the sys_acl_create_entry\n")); |
| 2283 | |
| 2284 | theacl = acl_entryp = *pacl; |
| 2285 | |
| 2286 | /* Get to the end of the acl before adding entry */ |
| 2287 | |
| 2288 | for(counting=0; counting < theacl->count; counting++){ |
| 2289 | DEBUG(10,("The acl_entryp is %d\n",acl_entryp)); |
| 2290 | temp_entry = acl_entryp; |
| 2291 | acl_entryp = acl_entryp->nextp; |
| 2292 | } |
| 2293 | |
| 2294 | if(theacl->count != 0){ |
| 2295 | temp_entry->nextp = acl_entryp = SMB_MALLOC_P(struct acl_entry_link); |
| 2296 | if(acl_entryp == NULL) { |
| 2297 | errno = ENOMEM; |
| 2298 | DEBUG(0,("Error in sys_acl_create_entry is %d\n",errno)); |
| 2299 | return(-1); |
| 2300 | } |
| 2301 | |
| 2302 | DEBUG(10,("The acl_entryp is %d\n",acl_entryp)); |
| 2303 | acl_entryp->prevp = temp_entry; |
| 2304 | DEBUG(10,("The acl_entryp->prevp is %d\n",acl_entryp->prevp)); |
| 2305 | } |
| 2306 | |
| 2307 | *pentry = acl_entryp->entryp = SMB_MALLOC_P(struct new_acl_entry); |
| 2308 | if(*pentry == NULL) { |
| 2309 | errno = ENOMEM; |
| 2310 | DEBUG(0,("Error in sys_acl_create_entry is %d\n",errno)); |
| 2311 | return(-1); |
| 2312 | } |
| 2313 | |
| 2314 | memset(*pentry,0,sizeof(struct new_acl_entry)); |
| 2315 | acl_entryp->entryp->ace_len = sizeof(struct acl_entry); |
| 2316 | acl_entryp->entryp->ace_type = ACC_PERMIT; |
| 2317 | acl_entryp->entryp->ace_id->id_len = sizeof(struct ace_id); |
| 2318 | acl_entryp->nextp = NULL; |
| 2319 | theacl->count++; |
| 2320 | DEBUG(10,("Exiting sys_acl_create_entry\n")); |
| 2321 | return(0); |
| 2322 | } |
| 2323 | |
| 2324 | int sys_acl_set_info(SMB_ACL_ENTRY_T entry, SMB_ACL_TAG_T tag_type, uint32 bits, id_t u_g_id) |
| 2325 | { |
| 2326 | entry->ace_id->id_type = tag_type; |
| 2327 | DEBUG(10,("The tag type is %d\n",entry->ace_id->id_type)); |
| 2328 | |
| 2329 | if (tag_type == SMB_ACL_USER || tag_type == SMB_ACL_GROUP) |
| 2330 | memcpy(entry->ace_id->id_data, &u_g_id, sizeof (id_t)); |
| 2331 | |
| 2332 | entry->ace_access = bits; |
| 2333 | DEBUG(10,("entry->ace_access = %d\n",entry->ace_access)); |
| 2334 | |
| 2335 | return 0; |
| 2336 | } |
| 2337 | |
| 2338 | int sys_acl_set_access_bits(SMB_ACL_ENTRY_T entry, uint32 bits) |
| 2339 | { |
| 2340 | DEBUG(10,("Starting AIX sys_acl_set_permset\n")); |
| 2341 | entry->ace_access = bits; |
| 2342 | DEBUG(10,("entry->ace_access = %d\n",entry->ace_access)); |
| 2343 | DEBUG(10,("Ending AIX sys_acl_set_permset\n")); |
| 2344 | return(0); |
| 2345 | } |
| 2346 | |
| 2347 | int sys_acl_valid( SMB_ACL_T theacl ) |
| 2348 | { |
| 2349 | int user_obj = 0; |
| 2350 | int group_obj = 0; |
| 2351 | int other_obj = 0; |
| 2352 | struct acl_entry_link *acl_entry; |
| 2353 | |
| 2354 | for(acl_entry=theacl; acl_entry != NULL; acl_entry = acl_entry->nextp) { |
| 2355 | user_obj += (acl_entry->entryp->ace_id->id_type == SMB_ACL_USER_OBJ); |
| 2356 | group_obj += (acl_entry->entryp->ace_id->id_type == SMB_ACL_GROUP_OBJ); |
| 2357 | other_obj += (acl_entry->entryp->ace_id->id_type == SMB_ACL_OTHER); |
| 2358 | } |
| 2359 | |
| 2360 | DEBUG(10,("user_obj=%d, group_obj=%d, other_obj=%d\n",user_obj,group_obj,other_obj)); |
| 2361 | |
| 2362 | if(user_obj != 1 || group_obj != 1 || other_obj != 1) |
| 2363 | return(-1); |
| 2364 | |
| 2365 | return(0); |
| 2366 | } |
| 2367 | |
| 2368 | int sys_acl_set_file( const char *name, SMB_ACL_TYPE_T acltype, SMB_ACL_T theacl) |
| 2369 | { |
| 2370 | struct acl_entry_link *acl_entry_link = NULL; |
| 2371 | struct acl *file_acl = NULL; |
| 2372 | struct acl *file_acl_temp = NULL; |
| 2373 | struct acl_entry *acl_entry = NULL; |
| 2374 | struct ace_id *ace_id = NULL; |
| 2375 | uint id_type; |
| 2376 | uint ace_access; |
| 2377 | uint user_id; |
| 2378 | uint acl_length; |
| 2379 | uint rc; |
| 2380 | |
| 2381 | DEBUG(10,("Entering sys_acl_set_file\n")); |
| 2382 | DEBUG(10,("File name is %s\n",name)); |
| 2383 | |
| 2384 | /* AIX has no default ACL */ |
| 2385 | if(acltype == SMB_ACL_TYPE_DEFAULT) |
| 2386 | return(0); |
| 2387 | |
| 2388 | acl_length = BUFSIZ; |
| 2389 | file_acl = (struct acl *)SMB_MALLOC(BUFSIZ); |
| 2390 | |
| 2391 | if(file_acl == NULL) { |
| 2392 | errno = ENOMEM; |
| 2393 | DEBUG(0,("Error in sys_acl_set_file is %d\n",errno)); |
| 2394 | return(-1); |
| 2395 | } |
| 2396 | |
| 2397 | memset(file_acl,0,BUFSIZ); |
| 2398 | |
| 2399 | file_acl->acl_len = ACL_SIZ; |
| 2400 | file_acl->acl_mode = S_IXACL; |
| 2401 | |
| 2402 | for(acl_entry_link=theacl; acl_entry_link != NULL; acl_entry_link = acl_entry_link->nextp) { |
| 2403 | acl_entry_link->entryp->ace_access >>= 6; |
| 2404 | id_type = acl_entry_link->entryp->ace_id->id_type; |
| 2405 | |
| 2406 | switch(id_type) { |
| 2407 | case SMB_ACL_USER_OBJ: |
| 2408 | file_acl->u_access = acl_entry_link->entryp->ace_access; |
| 2409 | continue; |
| 2410 | case SMB_ACL_GROUP_OBJ: |
| 2411 | file_acl->g_access = acl_entry_link->entryp->ace_access; |
| 2412 | continue; |
| 2413 | case SMB_ACL_OTHER: |
| 2414 | file_acl->o_access = acl_entry_link->entryp->ace_access; |
| 2415 | continue; |
| 2416 | case SMB_ACL_MASK: |
| 2417 | continue; |
| 2418 | } |
| 2419 | |
| 2420 | if((file_acl->acl_len + sizeof(struct acl_entry)) > acl_length) { |
| 2421 | acl_length += sizeof(struct acl_entry); |
| 2422 | file_acl_temp = (struct acl *)SMB_MALLOC(acl_length); |
| 2423 | if(file_acl_temp == NULL) { |
| 2424 | SAFE_FREE(file_acl); |
| 2425 | errno = ENOMEM; |
| 2426 | DEBUG(0,("Error in sys_acl_set_file is %d\n",errno)); |
| 2427 | return(-1); |
| 2428 | } |
| 2429 | |
| 2430 | memcpy(file_acl_temp,file_acl,file_acl->acl_len); |
| 2431 | SAFE_FREE(file_acl); |
| 2432 | file_acl = file_acl_temp; |
| 2433 | } |
| 2434 | |
| 2435 | acl_entry = (struct acl_entry *)((char *)file_acl + file_acl->acl_len); |
| 2436 | file_acl->acl_len += sizeof(struct acl_entry); |
| 2437 | acl_entry->ace_len = acl_entry_link->entryp->ace_len; |
| 2438 | acl_entry->ace_access = acl_entry_link->entryp->ace_access; |
| 2439 | |
| 2440 | /* In order to use this, we'll need to wait until we can get denies */ |
| 2441 | /* if(!acl_entry->ace_access && acl_entry->ace_type == ACC_PERMIT) |
| 2442 | acl_entry->ace_type = ACC_SPECIFY; */ |
| 2443 | |
| 2444 | acl_entry->ace_type = ACC_SPECIFY; |
| 2445 | |
| 2446 | ace_id = acl_entry->ace_id; |
| 2447 | |
| 2448 | ace_id->id_type = acl_entry_link->entryp->ace_id->id_type; |
| 2449 | DEBUG(10,("The id type is %d\n",ace_id->id_type)); |
| 2450 | ace_id->id_len = acl_entry_link->entryp->ace_id->id_len; |
| 2451 | memcpy(&user_id, acl_entry_link->entryp->ace_id->id_data, sizeof(uid_t)); |
| 2452 | memcpy(acl_entry->ace_id->id_data, &user_id, sizeof(uid_t)); |
| 2453 | } |
| 2454 | |
| 2455 | rc = chacl((char*)name,file_acl,file_acl->acl_len); |
| 2456 | DEBUG(10,("errno is %d\n",errno)); |
| 2457 | DEBUG(10,("return code is %d\n",rc)); |
| 2458 | SAFE_FREE(file_acl); |
| 2459 | DEBUG(10,("Exiting the sys_acl_set_file\n")); |
| 2460 | return(rc); |
| 2461 | } |
| 2462 | |
| 2463 | #if 0 |
| 2464 | int sys_acl_set_fd( int fd, SMB_ACL_T theacl) |
| 2465 | { |
| 2466 | struct acl_entry_link *acl_entry_link = NULL; |
| 2467 | struct acl *file_acl = NULL; |
| 2468 | struct acl *file_acl_temp = NULL; |
| 2469 | struct acl_entry *acl_entry = NULL; |
| 2470 | struct ace_id *ace_id = NULL; |
| 2471 | uint id_type; |
| 2472 | uint user_id; |
| 2473 | uint acl_length; |
| 2474 | uint rc; |
| 2475 | |
| 2476 | DEBUG(10,("Entering sys_acl_set_fd\n")); |
| 2477 | acl_length = BUFSIZ; |
| 2478 | file_acl = (struct acl *)SMB_MALLOC(BUFSIZ); |
| 2479 | |
| 2480 | if(file_acl == NULL) { |
| 2481 | errno = ENOMEM; |
| 2482 | DEBUG(0,("Error in sys_acl_set_fd is %d\n",errno)); |
| 2483 | return(-1); |
| 2484 | } |
| 2485 | |
| 2486 | memset(file_acl,0,BUFSIZ); |
| 2487 | |
| 2488 | file_acl->acl_len = ACL_SIZ; |
| 2489 | file_acl->acl_mode = S_IXACL; |
| 2490 | |
| 2491 | for(acl_entry_link=theacl; acl_entry_link != NULL; acl_entry_link = acl_entry_link->nextp) { |
| 2492 | acl_entry_link->entryp->ace_access >>= 6; |
| 2493 | id_type = acl_entry_link->entryp->ace_id->id_type; |
| 2494 | DEBUG(10,("The id_type is %d\n",id_type)); |
| 2495 | |
| 2496 | switch(id_type) { |
| 2497 | case SMB_ACL_USER_OBJ: |
| 2498 | file_acl->u_access = acl_entry_link->entryp->ace_access; |
| 2499 | continue; |
| 2500 | case SMB_ACL_GROUP_OBJ: |
| 2501 | file_acl->g_access = acl_entry_link->entryp->ace_access; |
| 2502 | continue; |
| 2503 | case SMB_ACL_OTHER: |
| 2504 | file_acl->o_access = acl_entry_link->entryp->ace_access; |
| 2505 | continue; |
| 2506 | case SMB_ACL_MASK: |
| 2507 | continue; |
| 2508 | } |
| 2509 | |
| 2510 | if((file_acl->acl_len + sizeof(struct acl_entry)) > acl_length) { |
| 2511 | acl_length += sizeof(struct acl_entry); |
| 2512 | file_acl_temp = (struct acl *)SMB_MALLOC(acl_length); |
| 2513 | if(file_acl_temp == NULL) { |
| 2514 | SAFE_FREE(file_acl); |
| 2515 | errno = ENOMEM; |
| 2516 | DEBUG(0,("Error in sys_acl_set_fd is %d\n",errno)); |
| 2517 | return(-1); |
| 2518 | } |
| 2519 | |
| 2520 | memcpy(file_acl_temp,file_acl,file_acl->acl_len); |
| 2521 | SAFE_FREE(file_acl); |
| 2522 | file_acl = file_acl_temp; |
| 2523 | } |
| 2524 | |
| 2525 | acl_entry = (struct acl_entry *)((char *)file_acl + file_acl->acl_len); |
| 2526 | file_acl->acl_len += sizeof(struct acl_entry); |
| 2527 | acl_entry->ace_len = acl_entry_link->entryp->ace_len; |
| 2528 | acl_entry->ace_access = acl_entry_link->entryp->ace_access; |
| 2529 | |
| 2530 | /* In order to use this, we'll need to wait until we can get denies */ |
| 2531 | /* if(!acl_entry->ace_access && acl_entry->ace_type == ACC_PERMIT) |
| 2532 | acl_entry->ace_type = ACC_SPECIFY; */ |
| 2533 | |
| 2534 | acl_entry->ace_type = ACC_SPECIFY; |
| 2535 | |
| 2536 | ace_id = acl_entry->ace_id; |
| 2537 | |
| 2538 | ace_id->id_type = acl_entry_link->entryp->ace_id->id_type; |
| 2539 | DEBUG(10,("The id type is %d\n",ace_id->id_type)); |
| 2540 | ace_id->id_len = acl_entry_link->entryp->ace_id->id_len; |
| 2541 | memcpy(&user_id, acl_entry_link->entryp->ace_id->id_data, sizeof(uid_t)); |
| 2542 | memcpy(ace_id->id_data, &user_id, sizeof(uid_t)); |
| 2543 | } |
| 2544 | |
| 2545 | rc = fchacl(fd,file_acl,file_acl->acl_len); |
| 2546 | DEBUG(10,("errno is %d\n",errno)); |
| 2547 | DEBUG(10,("return code is %d\n",rc)); |
| 2548 | SAFE_FREE(file_acl); |
| 2549 | DEBUG(10,("Exiting sys_acl_set_fd\n")); |
| 2550 | return(rc); |
| 2551 | } |
| 2552 | #endif |
| 2553 | |
| 2554 | int sys_acl_delete_def_file(const char *name) |
| 2555 | { |
| 2556 | /* AIX has no default ACL */ |
| 2557 | return 0; |
| 2558 | } |
| 2559 | |
| 2560 | int sys_acl_free_acl(SMB_ACL_T posix_acl) |
| 2561 | { |
| 2562 | struct acl_entry_link *acl_entry_link; |
| 2563 | |
| 2564 | for(acl_entry_link = posix_acl->nextp; acl_entry_link->nextp != NULL; acl_entry_link = acl_entry_link->nextp) { |
| 2565 | SAFE_FREE(acl_entry_link->prevp->entryp); |
| 2566 | SAFE_FREE(acl_entry_link->prevp); |
| 2567 | } |
| 2568 | |
| 2569 | SAFE_FREE(acl_entry_link->prevp->entryp); |
| 2570 | SAFE_FREE(acl_entry_link->prevp); |
| 2571 | SAFE_FREE(acl_entry_link->entryp); |
| 2572 | SAFE_FREE(acl_entry_link); |
| 2573 | |
| 2574 | return(0); |
| 2575 | } |
| 2576 | |
| 2577 | #elif defined(HAVE_OSX_ACLS) /*----------------------------------------------*/ |
| 2578 | |
| 2579 | #define OSX_BROKEN_GETENTRY /* returns 0 instead of 1 */ |
| 2580 | |
| 2581 | #include <membership.h> |
| 2582 | |
| 2583 | int sys_acl_get_entry(SMB_ACL_T the_acl, int entry_id, SMB_ACL_ENTRY_T *entry_p) |
| 2584 | { |
| 2585 | int ret = acl_get_entry(the_acl, entry_id, entry_p); |
| 2586 | #ifdef OSX_BROKEN_GETENTRY |
| 2587 | if (ret == 0) |
| 2588 | ret = 1; |
| 2589 | else if (ret == -1 && errno == 22) |
| 2590 | ret = 0; |
| 2591 | #endif |
| 2592 | return ret; |
| 2593 | } |
| 2594 | |
| 2595 | SMB_ACL_T sys_acl_get_file(const char *path_p, SMB_ACL_TYPE_T type) |
| 2596 | { |
| 2597 | if (type == ACL_TYPE_DEFAULT) { |
| 2598 | errno = ENOTSUP; |
| 2599 | return NULL; |
| 2600 | } |
| 2601 | errno = 0; |
| 2602 | return acl_get_file(path_p, type); |
| 2603 | } |
| 2604 | |
| 2605 | #if 0 |
| 2606 | SMB_ACL_T sys_acl_get_fd(int fd) |
| 2607 | { |
| 2608 | return acl_get_fd(fd); |
| 2609 | } |
| 2610 | #endif |
| 2611 | |
| 2612 | int sys_acl_get_info(SMB_ACL_ENTRY_T entry, SMB_ACL_TAG_T *tag_type_p, uint32 *bits_p, id_t *u_g_id_p) |
| 2613 | { |
| 2614 | uuid_t *uup; |
| 2615 | acl_tag_t tag; |
| 2616 | acl_flagset_t flagset; |
| 2617 | acl_permset_t permset; |
| 2618 | uint32 bits, fb, bb, pb; |
| 2619 | int id_type = -1; |
| 2620 | int rc; |
| 2621 | |
| 2622 | if (acl_get_tag_type(entry, &tag) != 0 |
| 2623 | || acl_get_flagset_np(entry, &flagset) != 0 |
| 2624 | || acl_get_permset(entry, &permset) != 0 |
| 2625 | || (uup = acl_get_qualifier(entry)) == NULL) |
| 2626 | return -1; |
| 2627 | |
| 2628 | rc = mbr_uuid_to_id(*uup, u_g_id_p, &id_type); |
| 2629 | acl_free(uup); |
| 2630 | if (rc != 0) |
| 2631 | return rc; |
| 2632 | |
| 2633 | if (id_type == ID_TYPE_UID) |
| 2634 | *tag_type_p = SMB_ACL_USER; |
| 2635 | else |
| 2636 | *tag_type_p = SMB_ACL_GROUP; |
| 2637 | |
| 2638 | bits = tag == ACL_EXTENDED_ALLOW ? 1 : 0; |
| 2639 | |
| 2640 | for (fb = (1u<<4), bb = (1u<<1); bb < (1u<<12); fb *= 2, bb *= 2) { |
| 2641 | if (acl_get_flag_np(flagset, fb) == 1) |
| 2642 | bits |= bb; |
| 2643 | } |
| 2644 | |
| 2645 | for (pb = (1u<<1), bb = (1u<<12); bb < (1u<<25); pb *= 2, bb *= 2) { |
| 2646 | if (acl_get_perm_np(permset, pb) == 1) |
| 2647 | bits |= bb; |
| 2648 | } |
| 2649 | |
| 2650 | *bits_p = bits; |
| 2651 | |
| 2652 | return 0; |
| 2653 | } |
| 2654 | |
| 2655 | SMB_ACL_T sys_acl_init(int count) |
| 2656 | { |
| 2657 | return acl_init(count); |
| 2658 | } |
| 2659 | |
| 2660 | int sys_acl_create_entry(SMB_ACL_T *pacl, SMB_ACL_ENTRY_T *pentry) |
| 2661 | { |
| 2662 | return acl_create_entry(pacl, pentry); |
| 2663 | } |
| 2664 | |
| 2665 | int sys_acl_set_info(SMB_ACL_ENTRY_T entry, SMB_ACL_TAG_T tag_type, uint32 bits, id_t u_g_id) |
| 2666 | { |
| 2667 | acl_flagset_t flagset; |
| 2668 | acl_permset_t permset; |
| 2669 | uint32 fb, bb, pb; |
| 2670 | int is_user = tag_type == SMB_ACL_USER; |
| 2671 | uuid_t uu; |
| 2672 | int rc; |
| 2673 | |
| 2674 | tag_type = bits & 1 ? ACL_EXTENDED_ALLOW : ACL_EXTENDED_DENY; |
| 2675 | |
| 2676 | if (acl_get_flagset_np(entry, &flagset) != 0 |
| 2677 | || acl_get_permset(entry, &permset) != 0) |
| 2678 | return -1; |
| 2679 | |
| 2680 | acl_clear_flags_np(flagset); |
| 2681 | acl_clear_perms(permset); |
| 2682 | |
| 2683 | for (fb = (1u<<4), bb = (1u<<1); bb < (1u<<12); fb *= 2, bb *= 2) { |
| 2684 | if (bits & bb) |
| 2685 | acl_add_flag_np(flagset, fb); |
| 2686 | } |
| 2687 | |
| 2688 | for (pb = (1u<<1), bb = (1u<<12); bb < (1u<<25); pb *= 2, bb *= 2) { |
| 2689 | if (bits & bb) |
| 2690 | acl_add_perm(permset, pb); |
| 2691 | } |
| 2692 | |
| 2693 | if (is_user) |
| 2694 | rc = mbr_uid_to_uuid(u_g_id, uu); |
| 2695 | else |
| 2696 | rc = mbr_gid_to_uuid(u_g_id, uu); |
| 2697 | |
| 2698 | if (acl_set_tag_type(entry, tag_type) != 0 |
| 2699 | || acl_set_qualifier(entry, &uu) != 0 |
| 2700 | || acl_set_permset(entry, permset) != 0 |
| 2701 | || acl_set_flagset_np(entry, flagset) != 0) |
| 2702 | return -1; |
| 2703 | |
| 2704 | return 0; |
| 2705 | } |
| 2706 | |
| 2707 | #if 0 |
| 2708 | int sys_acl_set_access_bits(SMB_ACL_ENTRY_T entry, uint32 bits) |
| 2709 | { |
| 2710 | return -1; /* Not needed for OS X. */ |
| 2711 | } |
| 2712 | #endif |
| 2713 | |
| 2714 | int sys_acl_valid(SMB_ACL_T theacl) |
| 2715 | { |
| 2716 | return acl_valid(theacl); |
| 2717 | } |
| 2718 | |
| 2719 | int sys_acl_set_file(const char *name, SMB_ACL_TYPE_T acltype, SMB_ACL_T theacl) |
| 2720 | { |
| 2721 | return acl_set_file(name, acltype, theacl); |
| 2722 | } |
| 2723 | |
| 2724 | #if 0 |
| 2725 | int sys_acl_set_fd(int fd, SMB_ACL_T theacl) |
| 2726 | { |
| 2727 | return acl_set_fd(fd, theacl); |
| 2728 | } |
| 2729 | #endif |
| 2730 | |
| 2731 | int sys_acl_delete_def_file(const char *name) |
| 2732 | { |
| 2733 | return acl_delete_def_file(name); |
| 2734 | } |
| 2735 | |
| 2736 | int sys_acl_free_acl(SMB_ACL_T the_acl) |
| 2737 | { |
| 2738 | return acl_free(the_acl); |
| 2739 | } |
| 2740 | |
| 2741 | #else /* No ACLs. */ |
| 2742 | |
| 2743 | #error No ACL functions defined for this platform! |
| 2744 | |
| 2745 | #endif |
| 2746 | |
| 2747 | /************************************************************************ |
| 2748 | Deliberately outside the ACL defines. Return 1 if this is a "no acls" |
| 2749 | errno, 0 if not. |
| 2750 | ************************************************************************/ |
| 2751 | |
| 2752 | int no_acl_syscall_error(int err) |
| 2753 | { |
| 2754 | #ifdef HAVE_OSX_ACLS |
| 2755 | if (err == ENOENT) |
| 2756 | return 1; /* Weird problem with directory ACLs. */ |
| 2757 | #endif |
| 2758 | #if defined(ENOSYS) |
| 2759 | if (err == ENOSYS) { |
| 2760 | return 1; |
| 2761 | } |
| 2762 | #endif |
| 2763 | #if defined(ENOTSUP) |
| 2764 | if (err == ENOTSUP) { |
| 2765 | return 1; |
| 2766 | } |
| 2767 | #endif |
| 2768 | return 0; |
| 2769 | } |
| 2770 | |
| 2771 | #endif /* SUPPORT_ACLS */ |