1 /* $NetBSD: netbsd32_acl.c,v 1.1 2020/05/16 18:31:48 christos Exp $ */ 2 3 /*- 4 * Copyright (c) 2020 The NetBSD Foundation. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Christos Zoulas. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 #include <sys/cdefs.h> 33 __KERNEL_RCSID(0, "$NetBSD: netbsd32_acl.c,v 1.1 2020/05/16 18:31:48 christos Exp $"); 34 35 #include <sys/types.h> 36 #include <sys/param.h> 37 #include <sys/systm.h> 38 #include <sys/proc.h> 39 #include <sys/lwp.h> 40 #include <sys/vnode.h> 41 #include <sys/namei.h> 42 #include <sys/file.h> 43 #include <sys/filedesc.h> 44 #include <sys/acl.h> 45 #include <sys/syscallargs.h> 46 47 #include <compat/netbsd32/netbsd32.h> 48 #include <compat/netbsd32/netbsd32_syscallargs.h> 49 #include <compat/netbsd32/netbsd32_conv.h> 50 51 /* Syscalls conversion */ 52 int 53 netbsd32___acl_get_file(struct lwp *l, 54 const struct netbsd32___acl_get_file_args *uap, register_t *retval) 55 { 56 57 return kern___acl_get_path(l, SCARG_P32(uap, path), SCARG(uap, type), 58 SCARG_P32(uap, aclp), NSM_FOLLOW_NOEMULROOT); 59 } 60 61 /* 62 * Given a file path, get an ACL for it; don't follow links. 63 */ 64 int 65 netbsd32___acl_get_link(struct lwp *l, 66 const struct netbsd32___acl_get_link_args *uap, register_t *retval) 67 { 68 69 return kern___acl_get_path(l, SCARG_P32(uap, path), SCARG(uap, type), 70 SCARG_P32(uap, aclp), NSM_NOFOLLOW_NOEMULROOT); 71 } 72 73 /* 74 * Given a file path, set an ACL for it. 75 */ 76 int 77 netbsd32___acl_set_file(struct lwp *l, 78 const struct netbsd32___acl_set_file_args *uap, register_t *retval) 79 { 80 81 return kern___acl_set_path(l, SCARG_P32(uap, path), SCARG(uap, type), 82 SCARG_P32(uap, aclp), NSM_FOLLOW_NOEMULROOT); 83 } 84 85 /* 86 * Given a file path, set an ACL for it; don't follow links. 87 */ 88 int 89 netbsd32___acl_set_link(struct lwp *l, 90 const struct netbsd32___acl_set_link_args *uap, register_t *retval) 91 { 92 93 return kern___acl_set_path(l, SCARG_P32(uap, path), SCARG(uap, type), 94 SCARG_P32(uap, aclp), NSM_NOFOLLOW_NOEMULROOT); 95 } 96 97 /* 98 * Given a file descriptor, get an ACL for it. 99 */ 100 int 101 netbsd32___acl_get_fd(struct lwp *l, 102 const struct netbsd32___acl_get_fd_args *uap, register_t *retval) 103 { 104 struct file *fp; 105 int error; 106 error = fd_getvnode(SCARG(uap, filedes), &fp); 107 if (error == 0) { 108 error = vacl_get_acl(l, fp->f_vnode, SCARG(uap, type), 109 SCARG_P32(uap, aclp)); 110 fd_putfile(SCARG(uap, filedes)); 111 } 112 return error; 113 } 114 115 /* 116 * Given a file descriptor, set an ACL for it. 117 */ 118 int 119 netbsd32___acl_set_fd(struct lwp *l, 120 const struct netbsd32___acl_set_fd_args *uap, register_t *retval) 121 { 122 struct file *fp; 123 int error; 124 125 error = fd_getvnode(SCARG(uap, filedes), &fp); 126 if (error == 0) { 127 error = vacl_set_acl(l, fp->f_vnode, SCARG(uap, type), 128 SCARG_P32(uap, aclp)); 129 fd_putfile(SCARG(uap, filedes)); 130 } 131 return error; 132 } 133 134 /* 135 * Given a file path, delete an ACL from it. 136 */ 137 int 138 netbsd32___acl_delete_file(struct lwp *l, 139 const struct netbsd32___acl_delete_file_args *uap, register_t *retval) 140 { 141 142 return kern___acl_delete_path(l, SCARG_P32(uap, path), SCARG(uap, type), 143 NSM_FOLLOW_NOEMULROOT); 144 } 145 146 /* 147 * Given a file path, delete an ACL from it; don't follow links. 148 */ 149 int 150 netbsd32___acl_delete_link(struct lwp *l, 151 const struct netbsd32___acl_delete_link_args *uap, register_t *retval) 152 { 153 return kern___acl_delete_path(l, SCARG_P32(uap, path), SCARG(uap, type), 154 NSM_NOFOLLOW_NOEMULROOT); 155 } 156 157 /* 158 * Given a file path, delete an ACL from it. 159 */ 160 int 161 netbsd32___acl_delete_fd(struct lwp *l, 162 const struct netbsd32___acl_delete_fd_args *uap, register_t *retval) 163 { 164 struct file *fp; 165 int error; 166 167 error = fd_getvnode(SCARG(uap, filedes), &fp); 168 if (error == 0) { 169 error = vacl_delete(l, fp->f_vnode, SCARG(uap, type)); 170 fd_putfile(SCARG(uap, filedes)); 171 } 172 return error; 173 } 174 175 /* 176 * Given a file path, check an ACL for it. 177 */ 178 int 179 netbsd32___acl_aclcheck_file(struct lwp *l, 180 const struct netbsd32___acl_aclcheck_file_args *uap, register_t *retval) 181 { 182 183 return kern___acl_aclcheck_path(l, SCARG_P32(uap, path), 184 SCARG(uap, type), SCARG_P32(uap, aclp), NSM_FOLLOW_NOEMULROOT); 185 } 186 187 /* 188 * Given a file path, check an ACL for it; don't follow links. 189 */ 190 int 191 netbsd32___acl_aclcheck_link(struct lwp *l, 192 const struct netbsd32___acl_aclcheck_link_args *uap, register_t *retval) 193 { 194 195 return kern___acl_aclcheck_path(l, SCARG_P32(uap, path), 196 SCARG(uap, type), SCARG_P32(uap, aclp), NSM_NOFOLLOW_NOEMULROOT); 197 } 198 199 /* 200 * Given a file descriptor, check an ACL for it. 201 */ 202 int 203 netbsd32___acl_aclcheck_fd(struct lwp *l, 204 const struct netbsd32___acl_aclcheck_fd_args *uap, register_t *retval) 205 { 206 struct file *fp; 207 int error; 208 209 error = fd_getvnode(SCARG(uap, filedes), &fp); 210 if (error == 0) { 211 error = vacl_aclcheck(l, fp->f_vnode, SCARG(uap, type), 212 SCARG_P32(uap, aclp)); 213 fd_putfile(SCARG(uap, filedes)); 214 } 215 return error; 216 } 217
Indexes created Sun Sep 21 20:09:37 GMT 2025