1/* 2 File: acl_copy_int.c 3 4 Copyright (C) 1999, 2000 5 Andreas Gruenbacher, <a.gruenbacher@computer.org> 6 7 This program is free software; you can redistribute it and/or 8 modify it under the terms of the GNU Library General Public 9 License as published by the Free Software Foundation; either 10 version 2 of the License, or (at your option) any later version. 11 12 This program is distributed in the hope that it will be useful, 13 but WITHOUT ANY WARRANTY; without even the implied warranty of 14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 15 Library General Public License for more details. 16 17 You should have received a copy of the GNU Library General Public 18 License along with this library; if not, write to the Free Software 19 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. 20*/ 21 22#include "libacl.h" 23 24 25/* 23.4.6 */ 26acl_t 27acl_copy_int(const void *buf_p) 28{ 29 const struct __acl *ext_acl = (struct __acl *)buf_p; 30 const struct __acl_entry *ent_p = ext_acl->x_entries, *end_p; 31 size_t size = ext_acl ? ext_acl->x_size : 0; 32 int entries; 33 acl_obj *acl_obj_p; 34 acl_entry_obj *entry_obj_p; 35 36 if (!ext_acl || size < sizeof(struct __acl)) { 37 errno = EINVAL; 38 return NULL; 39 } 40 size -= sizeof(struct __acl); 41 if (size % sizeof(struct __acl_entry)) { 42 errno = EINVAL; 43 return NULL; 44 } 45 entries = size / sizeof(struct __acl_entry); 46 acl_obj_p = __acl_init_obj(entries); 47 if (acl_obj_p == NULL) 48 goto fail; 49 end_p = ext_acl->x_entries + entries; 50 for(; ent_p != end_p; ent_p++) { 51 entry_obj_p = __acl_create_entry_obj(acl_obj_p); 52 if (!entry_obj_p) 53 goto fail; 54 /* XXX Convert to machine endianness */ 55 entry_obj_p->eentry = *ent_p; 56 } 57 if (__acl_reorder_obj_p(acl_obj_p)) 58 goto fail; 59 return int2ext(acl_obj_p); 60 61fail: 62 __acl_free_acl_obj(acl_obj_p); 63 return NULL; 64} 65 66