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 * $FreeBSD$ 27 */ 28 /* 29 * acl_set_file -- set a file/directory ACL by name 30 */ 31 32 #include <sys/types.h> 33 #include "namespace.h" 34 #include <sys/acl.h> 35 #include "un-namespace.h" 36 37 #include <errno.h> 38 #include <stdlib.h> 39 #include <string.h> 40 41 #include "acl_support.h" 42 43 /* 44 * For POSIX.1e-semantic ACLs, do a presort so the kernel doesn't have to 45 * (the POSIX.1e semantic code will reject unsorted ACL submission). If it's 46 * not a semantic that the library knows about, just submit it flat and 47 * assume the caller knows what they're up to. 48 */ 49 int 50 acl_set_file(const char *path_p, acl_type_t type, acl_t acl) 51 { 52 int error; 53 54 if (_posix1e_acl(acl, type)) { 55 error = _posix1e_acl_sort(acl); 56 if (error) { 57 errno = error; 58 return (-1); 59 } 60 } 61 62 acl->ats_cur_entry = 0; 63 64 return (__acl_set_file(path_p, type, &acl->ats_acl)); 65 } 66 67 int 68 acl_set_fd(int fd, acl_t acl) 69 { 70 int error; 71 72 error = _posix1e_acl_sort(acl); 73 if (error) { 74 errno = error; 75 return(-1); 76 } 77 78 acl->ats_cur_entry = 0; 79 80 return (___acl_set_fd(fd, ACL_TYPE_ACCESS, &acl->ats_acl)); 81 } 82 83 int 84 acl_set_fd_np(int fd, acl_t acl, acl_type_t type) 85 { 86 int error; 87 88 if (_posix1e_acl(acl, type)) { 89 error = _posix1e_acl_sort(acl); 90 if (error) { 91 errno = error; 92 return (-1); 93 } 94 } 95 96 acl->ats_cur_entry = 0; 97 98 return (___acl_set_fd(fd, type, &acl->ats_acl)); 99 } 100 101 /* 102 * acl_set_permset() (23.4.23): sets the permissions of ACL entry entry_d 103 * with the permissions in permset_d 104 */ 105 int 106 acl_set_permset(acl_entry_t entry_d, acl_permset_t permset_d) 107 { 108 109 if (!entry_d) { 110 errno = EINVAL; 111 return -1; 112 } 113 114 entry_d->ae_perm = *permset_d; 115 116 return 0; 117 } 118 119 /* 120 * acl_set_qualifier() sets the qualifier (ae_id) of the tag for 121 * ACL entry entry_d to the value referred to by tag_qualifier_p 122 */ 123 int 124 acl_set_qualifier(acl_entry_t entry_d, const void *tag_qualifier_p) 125 { 126 if (!entry_d || !tag_qualifier_p) { 127 errno = EINVAL; 128 return -1; 129 } 130 131 switch(entry_d->ae_tag) { 132 case ACL_USER: 133 case ACL_GROUP: 134 entry_d->ae_id = *(uid_t *)tag_qualifier_p; 135 break; 136 default: 137 errno = EINVAL; 138 return -1; 139 } 140 141 return 0; 142 } 143 144 /* 145 * acl_set_tag_type() sets the tag type for ACL entry entry_d to the 146 * value of tag_type 147 */ 148 int 149 acl_set_tag_type(acl_entry_t entry_d, acl_tag_t tag_type) 150 { 151 152 if (!entry_d) { 153 errno = EINVAL; 154 return -1; 155 } 156 157 switch(tag_type) { 158 case ACL_USER_OBJ: 159 case ACL_USER: 160 case ACL_GROUP_OBJ: 161 case ACL_GROUP: 162 case ACL_MASK: 163 case ACL_OTHER: 164 entry_d->ae_tag = tag_type; 165 return 0; 166 } 167 168 errno = EINVAL; 169 return -1; 170 } 171