1 /*- 2 * Copyright (c) 1999, 2000, 2001 Robert N. M. Watson 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 */ 26 /* 27 * acl_set_file -- set a file/directory ACL by name 28 */ 29 30 #include <sys/cdefs.h> 31 __FBSDID("$FreeBSD$"); 32 33 #include <sys/types.h> 34 #include "namespace.h" 35 #include <sys/acl.h> 36 #include "un-namespace.h" 37 38 #include <errno.h> 39 #include <stdlib.h> 40 #include <string.h> 41 42 #include "acl_support.h" 43 44 /* 45 * For POSIX.1e-semantic ACLs, do a presort so the kernel doesn't have to 46 * (the POSIX.1e semantic code will reject unsorted ACL submission). If it's 47 * not a semantic that the library knows about, just submit it flat and 48 * assume the caller knows what they're up to. 49 */ 50 int 51 acl_set_file(const char *path_p, acl_type_t type, acl_t acl) 52 { 53 int error; 54 55 if (acl == NULL || path_p == NULL) { 56 errno = EINVAL; 57 return (-1); 58 } 59 if (_posix1e_acl(acl, type)) { 60 error = _posix1e_acl_sort(acl); 61 if (error) { 62 errno = error; 63 return (-1); 64 } 65 } 66 67 acl->ats_cur_entry = 0; 68 69 return (__acl_set_file(path_p, type, &acl->ats_acl)); 70 } 71 72 int 73 acl_set_fd(int fd, acl_t acl) 74 { 75 int error; 76 77 error = _posix1e_acl_sort(acl); 78 if (error) { 79 errno = error; 80 return(-1); 81 } 82 83 acl->ats_cur_entry = 0; 84 85 return (___acl_set_fd(fd, ACL_TYPE_ACCESS, &acl->ats_acl)); 86 } 87 88 int 89 acl_set_fd_np(int fd, acl_t acl, acl_type_t type) 90 { 91 int error; 92 93 if (_posix1e_acl(acl, type)) { 94 error = _posix1e_acl_sort(acl); 95 if (error) { 96 errno = error; 97 return (-1); 98 } 99 } 100 101 acl->ats_cur_entry = 0; 102 103 return (___acl_set_fd(fd, type, &acl->ats_acl)); 104 } 105 106 /* 107 * acl_set_permset() (23.4.23): sets the permissions of ACL entry entry_d 108 * with the permissions in permset_d 109 */ 110 int 111 acl_set_permset(acl_entry_t entry_d, acl_permset_t permset_d) 112 { 113 114 if (!entry_d) { 115 errno = EINVAL; 116 return (-1); 117 } 118 119 entry_d->ae_perm = *permset_d; 120 121 return (0); 122 } 123 124 /* 125 * acl_set_qualifier() sets the qualifier (ae_id) of the tag for 126 * ACL entry entry_d to the value referred to by tag_qualifier_p 127 */ 128 int 129 acl_set_qualifier(acl_entry_t entry_d, const void *tag_qualifier_p) 130 { 131 if (!entry_d || !tag_qualifier_p) { 132 errno = EINVAL; 133 return (-1); 134 } 135 136 switch(entry_d->ae_tag) { 137 case ACL_USER: 138 case ACL_GROUP: 139 entry_d->ae_id = *(uid_t *)tag_qualifier_p; 140 break; 141 default: 142 errno = EINVAL; 143 return (-1); 144 } 145 146 return (0); 147 } 148 149 /* 150 * acl_set_tag_type() sets the tag type for ACL entry entry_d to the 151 * value of tag_type 152 */ 153 int 154 acl_set_tag_type(acl_entry_t entry_d, acl_tag_t tag_type) 155 { 156 157 if (entry_d == NULL) { 158 errno = EINVAL; 159 return (-1); 160 } 161 162 switch(tag_type) { 163 case ACL_USER_OBJ: 164 case ACL_USER: 165 case ACL_GROUP_OBJ: 166 case ACL_GROUP: 167 case ACL_MASK: 168 case ACL_OTHER: 169 entry_d->ae_tag = tag_type; 170 return (0); 171 } 172 173 errno = EINVAL; 174 return (-1); 175 } 176