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 (acl == NULL || path_p == NULL) { 55 errno = EINVAL; 56 return (-1); 57 } 58 if (_posix1e_acl(acl, type)) { 59 error = _posix1e_acl_sort(acl); 60 if (error) { 61 errno = error; 62 return (-1); 63 } 64 } 65 66 acl->ats_cur_entry = 0; 67 68 return (__acl_set_file(path_p, type, &acl->ats_acl)); 69 } 70 71 int 72 acl_set_fd(int fd, acl_t acl) 73 { 74 int error; 75 76 error = _posix1e_acl_sort(acl); 77 if (error) { 78 errno = error; 79 return(-1); 80 } 81 82 acl->ats_cur_entry = 0; 83 84 return (___acl_set_fd(fd, ACL_TYPE_ACCESS, &acl->ats_acl)); 85 } 86 87 int 88 acl_set_fd_np(int fd, acl_t acl, acl_type_t type) 89 { 90 int error; 91 92 if (_posix1e_acl(acl, type)) { 93 error = _posix1e_acl_sort(acl); 94 if (error) { 95 errno = error; 96 return (-1); 97 } 98 } 99 100 acl->ats_cur_entry = 0; 101 102 return (___acl_set_fd(fd, type, &acl->ats_acl)); 103 } 104 105 /* 106 * acl_set_permset() (23.4.23): sets the permissions of ACL entry entry_d 107 * with the permissions in permset_d 108 */ 109 int 110 acl_set_permset(acl_entry_t entry_d, acl_permset_t permset_d) 111 { 112 113 if (!entry_d) { 114 errno = EINVAL; 115 return (-1); 116 } 117 118 entry_d->ae_perm = *permset_d; 119 120 return (0); 121 } 122 123 /* 124 * acl_set_qualifier() sets the qualifier (ae_id) of the tag for 125 * ACL entry entry_d to the value referred to by tag_qualifier_p 126 */ 127 int 128 acl_set_qualifier(acl_entry_t entry_d, const void *tag_qualifier_p) 129 { 130 if (!entry_d || !tag_qualifier_p) { 131 errno = EINVAL; 132 return (-1); 133 } 134 135 switch(entry_d->ae_tag) { 136 case ACL_USER: 137 case ACL_GROUP: 138 entry_d->ae_id = *(uid_t *)tag_qualifier_p; 139 break; 140 default: 141 errno = EINVAL; 142 return (-1); 143 } 144 145 return (0); 146 } 147 148 /* 149 * acl_set_tag_type() sets the tag type for ACL entry entry_d to the 150 * value of tag_type 151 */ 152 int 153 acl_set_tag_type(acl_entry_t entry_d, acl_tag_t tag_type) 154 { 155 156 if (entry_d == NULL) { 157 errno = EINVAL; 158 return (-1); 159 } 160 161 switch(tag_type) { 162 case ACL_USER_OBJ: 163 case ACL_USER: 164 case ACL_GROUP_OBJ: 165 case ACL_GROUP: 166 case ACL_MASK: 167 case ACL_OTHER: 168 entry_d->ae_tag = tag_type; 169 return (0); 170 } 171 172 errno = EINVAL; 173 return (-1); 174 } 175