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