1515d7c92SRobert Watson /*- 26394f703SRobert Watson * Copyright (c) 1999, 2000, 2001, 2002 Robert N. M. Watson 3515d7c92SRobert Watson * All rights reserved. 4515d7c92SRobert Watson * 56394f703SRobert Watson * This software was developed by Robert Watson for the TrustedBSD Project. 66394f703SRobert Watson * 7515d7c92SRobert Watson * Redistribution and use in source and binary forms, with or without 8515d7c92SRobert Watson * modification, are permitted provided that the following conditions 9515d7c92SRobert Watson * are met: 10515d7c92SRobert Watson * 1. Redistributions of source code must retain the above copyright 11515d7c92SRobert Watson * notice, this list of conditions and the following disclaimer. 12515d7c92SRobert Watson * 2. Redistributions in binary form must reproduce the above copyright 13515d7c92SRobert Watson * notice, this list of conditions and the following disclaimer in the 14515d7c92SRobert Watson * documentation and/or other materials provided with the distribution. 15515d7c92SRobert Watson * 16515d7c92SRobert Watson * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17515d7c92SRobert Watson * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18515d7c92SRobert Watson * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19515d7c92SRobert Watson * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20515d7c92SRobert Watson * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21515d7c92SRobert Watson * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22515d7c92SRobert Watson * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23515d7c92SRobert Watson * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24515d7c92SRobert Watson * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25515d7c92SRobert Watson * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26515d7c92SRobert Watson * SUCH DAMAGE. 27515d7c92SRobert Watson */ 28515d7c92SRobert Watson /* 29515d7c92SRobert Watson * acl_set_file -- set a file/directory ACL by name 30515d7c92SRobert Watson */ 31515d7c92SRobert Watson 32333fc21eSDavid E. O'Brien #include <sys/cdefs.h> 33333fc21eSDavid E. O'Brien __FBSDID("$FreeBSD$"); 34333fc21eSDavid E. O'Brien 35515d7c92SRobert Watson #include <sys/types.h> 367bd44e92SThomas Moestl #include "namespace.h" 37515d7c92SRobert Watson #include <sys/acl.h> 387bd44e92SThomas Moestl #include "un-namespace.h" 394bf60dfaSChris D. Faulhaber 40515d7c92SRobert Watson #include <errno.h> 414bf60dfaSChris D. Faulhaber #include <stdlib.h> 424bf60dfaSChris D. Faulhaber #include <string.h> 43aa015c8eSEdward Tomasz Napierala #include <unistd.h> 44515d7c92SRobert Watson 45515d7c92SRobert Watson #include "acl_support.h" 46515d7c92SRobert Watson 47515d7c92SRobert Watson /* 48515d7c92SRobert Watson * For POSIX.1e-semantic ACLs, do a presort so the kernel doesn't have to 49515d7c92SRobert Watson * (the POSIX.1e semantic code will reject unsorted ACL submission). If it's 50515d7c92SRobert Watson * not a semantic that the library knows about, just submit it flat and 51515d7c92SRobert Watson * assume the caller knows what they're up to. 52515d7c92SRobert Watson */ 53515d7c92SRobert Watson int 54515d7c92SRobert Watson acl_set_file(const char *path_p, acl_type_t type, acl_t acl) 55515d7c92SRobert Watson { 56515d7c92SRobert Watson int error; 57515d7c92SRobert Watson 58e146d0bcSChris D. Faulhaber if (acl == NULL || path_p == NULL) { 59e146d0bcSChris D. Faulhaber errno = EINVAL; 60e146d0bcSChris D. Faulhaber return (-1); 61e146d0bcSChris D. Faulhaber } 62ae1add4eSEdward Tomasz Napierala type = _acl_type_unold(type); 63aa015c8eSEdward Tomasz Napierala if (_acl_type_not_valid_for_acl(acl, type)) { 64aa015c8eSEdward Tomasz Napierala errno = EINVAL; 65aa015c8eSEdward Tomasz Napierala return (-1); 66aa015c8eSEdward Tomasz Napierala } 672de14c39SRobert Watson if (_posix1e_acl(acl, type)) { 682de14c39SRobert Watson error = _posix1e_acl_sort(acl); 69515d7c92SRobert Watson if (error) { 70515d7c92SRobert Watson errno = error; 71515d7c92SRobert Watson return (-1); 72515d7c92SRobert Watson } 73515d7c92SRobert Watson } 74515d7c92SRobert Watson 750f626307SChris D. Faulhaber acl->ats_cur_entry = 0; 760f626307SChris D. Faulhaber 770f626307SChris D. Faulhaber return (__acl_set_file(path_p, type, &acl->ats_acl)); 78515d7c92SRobert Watson } 79515d7c92SRobert Watson 80515d7c92SRobert Watson int 816394f703SRobert Watson acl_set_link_np(const char *path_p, acl_type_t type, acl_t acl) 826394f703SRobert Watson { 836394f703SRobert Watson int error; 846394f703SRobert Watson 856394f703SRobert Watson if (acl == NULL || path_p == NULL) { 866394f703SRobert Watson errno = EINVAL; 876394f703SRobert Watson return (-1); 886394f703SRobert Watson } 89ae1add4eSEdward Tomasz Napierala type = _acl_type_unold(type); 90aa015c8eSEdward Tomasz Napierala if (_acl_type_not_valid_for_acl(acl, type)) { 91aa015c8eSEdward Tomasz Napierala errno = EINVAL; 92aa015c8eSEdward Tomasz Napierala return (-1); 93aa015c8eSEdward Tomasz Napierala } 946394f703SRobert Watson if (_posix1e_acl(acl, type)) { 956394f703SRobert Watson error = _posix1e_acl_sort(acl); 966394f703SRobert Watson if (error) { 976394f703SRobert Watson errno = error; 986394f703SRobert Watson return (-1); 996394f703SRobert Watson } 1006394f703SRobert Watson } 1016394f703SRobert Watson 1026394f703SRobert Watson acl->ats_cur_entry = 0; 1036394f703SRobert Watson 1046394f703SRobert Watson return (__acl_set_link(path_p, type, &acl->ats_acl)); 1056394f703SRobert Watson } 1066394f703SRobert Watson 1076394f703SRobert Watson int 1088f45e8c0SRobert Watson acl_set_fd(int fd, acl_t acl) 109515d7c92SRobert Watson { 110515d7c92SRobert Watson 111aa015c8eSEdward Tomasz Napierala if (fpathconf(fd, _PC_ACL_NFS4)) 112aa015c8eSEdward Tomasz Napierala return (acl_set_fd_np(fd, acl, ACL_TYPE_NFS4)); 1138f45e8c0SRobert Watson 114aa015c8eSEdward Tomasz Napierala return (acl_set_fd_np(fd, acl, ACL_TYPE_ACCESS)); 1158f45e8c0SRobert Watson } 1168f45e8c0SRobert Watson 1178f45e8c0SRobert Watson int 1188f45e8c0SRobert Watson acl_set_fd_np(int fd, acl_t acl, acl_type_t type) 1198f45e8c0SRobert Watson { 1208f45e8c0SRobert Watson int error; 1218f45e8c0SRobert Watson 122aa015c8eSEdward Tomasz Napierala if (acl == NULL) { 123aa015c8eSEdward Tomasz Napierala errno = EINVAL; 124aa015c8eSEdward Tomasz Napierala return (-1); 125aa015c8eSEdward Tomasz Napierala } 126ae1add4eSEdward Tomasz Napierala type = _acl_type_unold(type); 127aa015c8eSEdward Tomasz Napierala if (_acl_type_not_valid_for_acl(acl, type)) { 128aa015c8eSEdward Tomasz Napierala errno = EINVAL; 129aa015c8eSEdward Tomasz Napierala return (-1); 130aa015c8eSEdward Tomasz Napierala } 1312de14c39SRobert Watson if (_posix1e_acl(acl, type)) { 1322de14c39SRobert Watson error = _posix1e_acl_sort(acl); 133515d7c92SRobert Watson if (error) { 134515d7c92SRobert Watson errno = error; 135515d7c92SRobert Watson return (-1); 136515d7c92SRobert Watson } 137515d7c92SRobert Watson } 138515d7c92SRobert Watson 1390f626307SChris D. Faulhaber acl->ats_cur_entry = 0; 1400f626307SChris D. Faulhaber 1410f626307SChris D. Faulhaber return (___acl_set_fd(fd, type, &acl->ats_acl)); 142515d7c92SRobert Watson } 1434bf60dfaSChris D. Faulhaber 1444bf60dfaSChris D. Faulhaber /* 1450f626307SChris D. Faulhaber * acl_set_permset() (23.4.23): sets the permissions of ACL entry entry_d 1464bf60dfaSChris D. Faulhaber * with the permissions in permset_d 1474bf60dfaSChris D. Faulhaber */ 1484bf60dfaSChris D. Faulhaber int 1494bf60dfaSChris D. Faulhaber acl_set_permset(acl_entry_t entry_d, acl_permset_t permset_d) 1504bf60dfaSChris D. Faulhaber { 1514bf60dfaSChris D. Faulhaber 1524bf60dfaSChris D. Faulhaber if (!entry_d) { 1534bf60dfaSChris D. Faulhaber errno = EINVAL; 1549fd46b02SChris D. Faulhaber return (-1); 1554bf60dfaSChris D. Faulhaber } 1564bf60dfaSChris D. Faulhaber 157aa015c8eSEdward Tomasz Napierala if ((*permset_d & ACL_POSIX1E_BITS) != *permset_d) { 158aa015c8eSEdward Tomasz Napierala if ((*permset_d & ACL_NFS4_PERM_BITS) != *permset_d) { 159aa015c8eSEdward Tomasz Napierala errno = EINVAL; 160aa015c8eSEdward Tomasz Napierala return (-1); 161aa015c8eSEdward Tomasz Napierala } 162aa015c8eSEdward Tomasz Napierala if (!_entry_brand_may_be(entry_d, ACL_BRAND_NFS4)) { 163aa015c8eSEdward Tomasz Napierala errno = EINVAL; 164aa015c8eSEdward Tomasz Napierala return (-1); 165aa015c8eSEdward Tomasz Napierala } 166aa015c8eSEdward Tomasz Napierala _entry_brand_as(entry_d, ACL_BRAND_NFS4); 167aa015c8eSEdward Tomasz Napierala } 168aa015c8eSEdward Tomasz Napierala 1694bf60dfaSChris D. Faulhaber entry_d->ae_perm = *permset_d; 1704bf60dfaSChris D. Faulhaber 1719fd46b02SChris D. Faulhaber return (0); 1724bf60dfaSChris D. Faulhaber } 1734bf60dfaSChris D. Faulhaber 1744bf60dfaSChris D. Faulhaber /* 1754bf60dfaSChris D. Faulhaber * acl_set_qualifier() sets the qualifier (ae_id) of the tag for 1764bf60dfaSChris D. Faulhaber * ACL entry entry_d to the value referred to by tag_qualifier_p 1774bf60dfaSChris D. Faulhaber */ 1784bf60dfaSChris D. Faulhaber int 1794bf60dfaSChris D. Faulhaber acl_set_qualifier(acl_entry_t entry_d, const void *tag_qualifier_p) 1804bf60dfaSChris D. Faulhaber { 181aa015c8eSEdward Tomasz Napierala 1824bf60dfaSChris D. Faulhaber if (!entry_d || !tag_qualifier_p) { 1834bf60dfaSChris D. Faulhaber errno = EINVAL; 1849fd46b02SChris D. Faulhaber return (-1); 1854bf60dfaSChris D. Faulhaber } 1864bf60dfaSChris D. Faulhaber switch(entry_d->ae_tag) { 1874bf60dfaSChris D. Faulhaber case ACL_USER: 1884bf60dfaSChris D. Faulhaber case ACL_GROUP: 189d5675fffSChris D. Faulhaber entry_d->ae_id = *(uid_t *)tag_qualifier_p; 1904bf60dfaSChris D. Faulhaber break; 1914bf60dfaSChris D. Faulhaber default: 1924bf60dfaSChris D. Faulhaber errno = EINVAL; 1939fd46b02SChris D. Faulhaber return (-1); 1944bf60dfaSChris D. Faulhaber } 1954bf60dfaSChris D. Faulhaber 1969fd46b02SChris D. Faulhaber return (0); 1974bf60dfaSChris D. Faulhaber } 1984bf60dfaSChris D. Faulhaber 1994bf60dfaSChris D. Faulhaber /* 2004bf60dfaSChris D. Faulhaber * acl_set_tag_type() sets the tag type for ACL entry entry_d to the 2014bf60dfaSChris D. Faulhaber * value of tag_type 2024bf60dfaSChris D. Faulhaber */ 2034bf60dfaSChris D. Faulhaber int 2044bf60dfaSChris D. Faulhaber acl_set_tag_type(acl_entry_t entry_d, acl_tag_t tag_type) 2054bf60dfaSChris D. Faulhaber { 2064bf60dfaSChris D. Faulhaber 2079fd46b02SChris D. Faulhaber if (entry_d == NULL) { 2084bf60dfaSChris D. Faulhaber errno = EINVAL; 2099fd46b02SChris D. Faulhaber return (-1); 2104bf60dfaSChris D. Faulhaber } 2114bf60dfaSChris D. Faulhaber 2124bf60dfaSChris D. Faulhaber switch(tag_type) { 213aa015c8eSEdward Tomasz Napierala case ACL_OTHER: 214aa015c8eSEdward Tomasz Napierala case ACL_MASK: 215aa015c8eSEdward Tomasz Napierala if (!_entry_brand_may_be(entry_d, ACL_BRAND_POSIX)) { 216aa015c8eSEdward Tomasz Napierala errno = EINVAL; 217aa015c8eSEdward Tomasz Napierala return (-1); 218aa015c8eSEdward Tomasz Napierala } 219aa015c8eSEdward Tomasz Napierala _entry_brand_as(entry_d, ACL_BRAND_POSIX); 220aa015c8eSEdward Tomasz Napierala break; 221aa015c8eSEdward Tomasz Napierala case ACL_EVERYONE: 222aa015c8eSEdward Tomasz Napierala if (!_entry_brand_may_be(entry_d, ACL_BRAND_NFS4)) { 223aa015c8eSEdward Tomasz Napierala errno = EINVAL; 224aa015c8eSEdward Tomasz Napierala return (-1); 225aa015c8eSEdward Tomasz Napierala } 226aa015c8eSEdward Tomasz Napierala _entry_brand_as(entry_d, ACL_BRAND_NFS4); 227aa015c8eSEdward Tomasz Napierala break; 228aa015c8eSEdward Tomasz Napierala } 229aa015c8eSEdward Tomasz Napierala 230aa015c8eSEdward Tomasz Napierala switch(tag_type) { 2314bf60dfaSChris D. Faulhaber case ACL_USER_OBJ: 2324bf60dfaSChris D. Faulhaber case ACL_USER: 2334bf60dfaSChris D. Faulhaber case ACL_GROUP_OBJ: 2344bf60dfaSChris D. Faulhaber case ACL_GROUP: 2354bf60dfaSChris D. Faulhaber case ACL_MASK: 2364bf60dfaSChris D. Faulhaber case ACL_OTHER: 237aa015c8eSEdward Tomasz Napierala case ACL_EVERYONE: 2384bf60dfaSChris D. Faulhaber entry_d->ae_tag = tag_type; 2399fd46b02SChris D. Faulhaber return (0); 2404bf60dfaSChris D. Faulhaber } 2414bf60dfaSChris D. Faulhaber 2424bf60dfaSChris D. Faulhaber errno = EINVAL; 2439fd46b02SChris D. Faulhaber return (-1); 2444bf60dfaSChris D. Faulhaber } 245aa015c8eSEdward Tomasz Napierala 246aa015c8eSEdward Tomasz Napierala int 247aa015c8eSEdward Tomasz Napierala acl_set_entry_type_np(acl_entry_t entry_d, acl_entry_type_t entry_type) 248aa015c8eSEdward Tomasz Napierala { 249aa015c8eSEdward Tomasz Napierala 250aa015c8eSEdward Tomasz Napierala if (entry_d == NULL) { 251aa015c8eSEdward Tomasz Napierala errno = EINVAL; 252aa015c8eSEdward Tomasz Napierala return (-1); 253aa015c8eSEdward Tomasz Napierala } 254aa015c8eSEdward Tomasz Napierala if (!_entry_brand_may_be(entry_d, ACL_BRAND_NFS4)) { 255aa015c8eSEdward Tomasz Napierala errno = EINVAL; 256aa015c8eSEdward Tomasz Napierala return (-1); 257aa015c8eSEdward Tomasz Napierala } 258aa015c8eSEdward Tomasz Napierala _entry_brand_as(entry_d, ACL_BRAND_NFS4); 259aa015c8eSEdward Tomasz Napierala 260aa015c8eSEdward Tomasz Napierala switch (entry_type) { 261aa015c8eSEdward Tomasz Napierala case ACL_ENTRY_TYPE_ALLOW: 262aa015c8eSEdward Tomasz Napierala case ACL_ENTRY_TYPE_DENY: 263aa015c8eSEdward Tomasz Napierala case ACL_ENTRY_TYPE_AUDIT: 264aa015c8eSEdward Tomasz Napierala case ACL_ENTRY_TYPE_ALARM: 265aa015c8eSEdward Tomasz Napierala entry_d->ae_entry_type = entry_type; 266aa015c8eSEdward Tomasz Napierala return (0); 267aa015c8eSEdward Tomasz Napierala } 268aa015c8eSEdward Tomasz Napierala 269aa015c8eSEdward Tomasz Napierala errno = EINVAL; 270aa015c8eSEdward Tomasz Napierala return (-1); 271aa015c8eSEdward Tomasz Napierala } 272