164126Skato/*- 264126Skato * Copyright (c) 1999, 2000, 2001, 2002 Robert N. M. Watson 364126Skato * All rights reserved. 464126Skato * 564126Skato * This software was developed by Robert Watson for the TrustedBSD Project. 664126Skato * 764126Skato * Redistribution and use in source and binary forms, with or without 864126Skato * modification, are permitted provided that the following conditions 964126Skato * are met: 1064126Skato * 1. Redistributions of source code must retain the above copyright 1164126Skato * notice, this list of conditions and the following disclaimer. 1264126Skato * 2. Redistributions in binary form must reproduce the above copyright 1364126Skato * notice, this list of conditions and the following disclaimer in the 1464126Skato * documentation and/or other materials provided with the distribution. 1564126Skato * 1664126Skato * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 1764126Skato * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 1864126Skato * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 1964126Skato * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 2064126Skato * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 2164126Skato * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 2264126Skato * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 2364126Skato * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 2464126Skato * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 2564126Skato * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 2664126Skato * SUCH DAMAGE. 2764126Skato */ 2864126Skato/* 2964126Skato * acl_set_file -- set a file/directory ACL by name 3064126Skato */ 3164126Skato 3264126Skato#include <sys/cdefs.h> 3364126Skato__FBSDID("$FreeBSD$"); 3464126Skato 3564126Skato#include <sys/types.h> 3664126Skato#include "namespace.h" 3764126Skato#include <sys/acl.h> 3864126Skato#include "un-namespace.h" 3964126Skato 4064126Skato#include <errno.h> 4164126Skato#include <stdlib.h> 4264126Skato#include <string.h> 4364126Skato#include <unistd.h> 4464126Skato 4564126Skato#include "acl_support.h" 4664126Skato 4764126Skato/* 4864126Skato * For POSIX.1e-semantic ACLs, do a presort so the kernel doesn't have to 4964126Skato * (the POSIX.1e semantic code will reject unsorted ACL submission). If it's 5064126Skato * not a semantic that the library knows about, just submit it flat and 5164126Skato * assume the caller knows what they're up to. 5264126Skato */ 5364126Skatoint 5464126Skatoacl_set_file(const char *path_p, acl_type_t type, acl_t acl) 5564126Skato{ 5664126Skato 5764126Skato if (acl == NULL || path_p == NULL) { 58148049Snyan errno = EINVAL; 59148049Snyan return (-1); 60148049Snyan } 6164126Skato type = _acl_type_unold(type); 62148049Snyan if (_acl_type_not_valid_for_acl(acl, type)) { 6364126Skato errno = EINVAL; 6464126Skato return (-1); 6564126Skato } 6664126Skato if (_posix1e_acl(acl, type)) 6764126Skato _posix1e_acl_sort(acl); 68148064Snyan 6964126Skato acl->ats_cur_entry = 0; 7064126Skato 7164126Skato return (__acl_set_file(path_p, type, &acl->ats_acl)); 7264126Skato} 7364126Skato 7464126Skatoint 75110678Snyanacl_set_link_np(const char *path_p, acl_type_t type, acl_t acl) 7664126Skato{ 7764126Skato 7864126Skato if (acl == NULL || path_p == NULL) { 7964126Skato errno = EINVAL; 80110678Snyan return (-1); 81110678Snyan } 82110678Snyan type = _acl_type_unold(type); 8364126Skato if (_acl_type_not_valid_for_acl(acl, type)) { 84148049Snyan errno = EINVAL; 85148049Snyan return (-1); 86148064Snyan } 87148049Snyan if (_posix1e_acl(acl, type)) 88148049Snyan _posix1e_acl_sort(acl); 8964126Skato 90148049Snyan acl->ats_cur_entry = 0; 9164126Skato 9264126Skato return (__acl_set_link(path_p, type, &acl->ats_acl)); 9364126Skato} 9464126Skato 9564126Skatoint 9678715Sddacl_set_fd(int fd, acl_t acl) 9764126Skato{ 9864126Skato 9964126Skato if (fpathconf(fd, _PC_ACL_NFS4) == 1) 10064126Skato return (acl_set_fd_np(fd, acl, ACL_TYPE_NFS4)); 101110678Snyan 10264126Skato return (acl_set_fd_np(fd, acl, ACL_TYPE_ACCESS)); 10364126Skato} 10464126Skato 10564126Skatoint 10664126Skatoacl_set_fd_np(int fd, acl_t acl, acl_type_t type) 10764126Skato{ 10864126Skato 10964126Skato if (acl == NULL) { 11064126Skato errno = EINVAL; 11164126Skato return (-1); 11264126Skato } 11364126Skato type = _acl_type_unold(type); 11464126Skato if (_acl_type_not_valid_for_acl(acl, type)) { 11564126Skato errno = EINVAL; 11664126Skato return (-1); 11764126Skato } 11864126Skato if (_posix1e_acl(acl, type)) 11964126Skato _posix1e_acl_sort(acl); 12064126Skato 12164126Skato acl->ats_cur_entry = 0; 12264126Skato 12364126Skato return (___acl_set_fd(fd, type, &acl->ats_acl)); 12464126Skato} 125126652Snyan 12664126Skato/* 12764126Skato * acl_set_permset() (23.4.23): sets the permissions of ACL entry entry_d 12864126Skato * with the permissions in permset_d 12964126Skato */ 13064126Skatoint 13164126Skatoacl_set_permset(acl_entry_t entry_d, acl_permset_t permset_d) 13264126Skato{ 13364126Skato 13464126Skato if (!entry_d) { 13564126Skato errno = EINVAL; 13664126Skato return (-1); 13764126Skato } 13864126Skato 13964126Skato if ((*permset_d & ACL_POSIX1E_BITS) != *permset_d) { 14064126Skato if ((*permset_d & ACL_NFS4_PERM_BITS) != *permset_d) { 14164126Skato errno = EINVAL; 142126652Snyan return (-1); 14364126Skato } 144174764Simp if (!_entry_brand_may_be(entry_d, ACL_BRAND_NFS4)) { 14564126Skato errno = EINVAL; 14664126Skato return (-1); 14764126Skato } 14864126Skato _entry_brand_as(entry_d, ACL_BRAND_NFS4); 14964126Skato } 15064126Skato 15164126Skato entry_d->ae_perm = *permset_d; 15264126Skato 15364126Skato return (0); 15464126Skato} 15564126Skato 15664126Skato/* 15764126Skato * acl_set_qualifier() sets the qualifier (ae_id) of the tag for 15864126Skato * ACL entry entry_d to the value referred to by tag_qualifier_p 159110678Snyan */ 16064126Skatoint 16164126Skatoacl_set_qualifier(acl_entry_t entry_d, const void *tag_qualifier_p) 16264126Skato{ 16364126Skato 16464126Skato if (!entry_d || !tag_qualifier_p) { 16564126Skato errno = EINVAL; 16664126Skato return (-1); 16764126Skato } 16864126Skato switch(entry_d->ae_tag) { 16964126Skato case ACL_USER: 17064126Skato case ACL_GROUP: 17164126Skato entry_d->ae_id = *(uid_t *)tag_qualifier_p; 17264126Skato break; 17364126Skato default: 17464126Skato errno = EINVAL; 17564126Skato return (-1); 17664126Skato } 17764126Skato 17864126Skato return (0); 17964126Skato} 18064126Skato 18164126Skato/* 18264126Skato * acl_set_tag_type() sets the tag type for ACL entry entry_d to the 18364126Skato * value of tag_type 18464126Skato */ 18564126Skatoint 18664126Skatoacl_set_tag_type(acl_entry_t entry_d, acl_tag_t tag_type) 18764126Skato{ 18864126Skato 18964126Skato if (entry_d == NULL) { 19064126Skato errno = EINVAL; 19164126Skato return (-1); 19264126Skato } 19364126Skato 19464126Skato switch(tag_type) { 19564126Skato case ACL_OTHER: 19664126Skato case ACL_MASK: 19764126Skato if (!_entry_brand_may_be(entry_d, ACL_BRAND_POSIX)) { 19864126Skato errno = EINVAL; 19964126Skato return (-1); 20064126Skato } 20164126Skato _entry_brand_as(entry_d, ACL_BRAND_POSIX); 20264126Skato break; 20364126Skato case ACL_EVERYONE: 20464126Skato if (!_entry_brand_may_be(entry_d, ACL_BRAND_NFS4)) { 20564126Skato errno = EINVAL; 20664126Skato return (-1); 20764126Skato } 20864126Skato _entry_brand_as(entry_d, ACL_BRAND_NFS4); 20964126Skato break; 21064126Skato } 21164126Skato 21264126Skato switch(tag_type) { 21364126Skato case ACL_USER_OBJ: 21464126Skato case ACL_USER: 21564126Skato case ACL_GROUP_OBJ: 216110678Snyan case ACL_GROUP: 217110678Snyan case ACL_MASK: 218110678Snyan case ACL_OTHER: 21964126Skato case ACL_EVERYONE: 22064126Skato entry_d->ae_tag = tag_type; 221148049Snyan return (0); 222148049Snyan } 223148049Snyan 224148049Snyan errno = EINVAL; 225148049Snyan return (-1); 226148049Snyan} 227148049Snyan 228148049Snyanint 229148049Snyanacl_set_entry_type_np(acl_entry_t entry_d, acl_entry_type_t entry_type) 230148049Snyan{ 231148049Snyan 232148049Snyan if (entry_d == NULL) { 233148049Snyan errno = EINVAL; 234148049Snyan return (-1); 235148049Snyan } 236148049Snyan if (!_entry_brand_may_be(entry_d, ACL_BRAND_NFS4)) { 237148049Snyan errno = EINVAL; 238148049Snyan return (-1); 239148049Snyan } 240148049Snyan _entry_brand_as(entry_d, ACL_BRAND_NFS4); 241148049Snyan 242148049Snyan switch (entry_type) { 243148049Snyan case ACL_ENTRY_TYPE_ALLOW: 244148064Snyan case ACL_ENTRY_TYPE_DENY: 245148064Snyan case ACL_ENTRY_TYPE_AUDIT: 246148049Snyan case ACL_ENTRY_TYPE_ALARM: 247148064Snyan entry_d->ae_entry_type = entry_type; 248148049Snyan return (0); 249148049Snyan } 250148049Snyan 251148049Snyan errno = EINVAL; 252148049Snyan return (-1); 253148049Snyan} 254148049Snyan