1*4d495c6eSApple OSS Distributions /*
2*4d495c6eSApple OSS Distributions * Copyright (c) 2011 Apple Inc. All rights reserved.
3*4d495c6eSApple OSS Distributions *
4*4d495c6eSApple OSS Distributions * @APPLE_LICENSE_HEADER_START@
5*4d495c6eSApple OSS Distributions *
6*4d495c6eSApple OSS Distributions * This file contains Original Code and/or Modifications of Original Code
7*4d495c6eSApple OSS Distributions * as defined in and that are subject to the Apple Public Source License
8*4d495c6eSApple OSS Distributions * Version 2.0 (the 'License'). You may not use this file except in
9*4d495c6eSApple OSS Distributions * compliance with the License. Please obtain a copy of the License at
10*4d495c6eSApple OSS Distributions * http://www.opensource.apple.com/apsl/ and read it before using this
11*4d495c6eSApple OSS Distributions * file.
12*4d495c6eSApple OSS Distributions *
13*4d495c6eSApple OSS Distributions * The Original Code and all software distributed under the License are
14*4d495c6eSApple OSS Distributions * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
15*4d495c6eSApple OSS Distributions * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
16*4d495c6eSApple OSS Distributions * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
17*4d495c6eSApple OSS Distributions * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
18*4d495c6eSApple OSS Distributions * Please see the License for the specific language governing rights and
19*4d495c6eSApple OSS Distributions * limitations under the License.
20*4d495c6eSApple OSS Distributions *
21*4d495c6eSApple OSS Distributions * @APPLE_LICENSE_HEADER_END@
22*4d495c6eSApple OSS Distributions */
23*4d495c6eSApple OSS Distributions #include <sys/cdefs.h>
24*4d495c6eSApple OSS Distributions #include <sys/types.h>
25*4d495c6eSApple OSS Distributions #include <stdarg.h>
26*4d495c6eSApple OSS Distributions #include <sys/fcntl.h>
27*4d495c6eSApple OSS Distributions #include <sys/errno.h>
28*4d495c6eSApple OSS Distributions #include <sys/content_protection.h>
29*4d495c6eSApple OSS Distributions
30*4d495c6eSApple OSS Distributions int __open_dprotected_np(const char* path, int flags, int class, int dpflags, int mode);
31*4d495c6eSApple OSS Distributions int __openat_dprotected_np(int fd, const char* path, int flags, int class, int dpflags, int mode, int authfd);
32*4d495c6eSApple OSS Distributions
33*4d495c6eSApple OSS Distributions int
open_dprotected_np(const char * path,int flags,int class,int dpflags,...)34*4d495c6eSApple OSS Distributions open_dprotected_np(const char *path, int flags, int class, int dpflags, ...)
35*4d495c6eSApple OSS Distributions {
36*4d495c6eSApple OSS Distributions int mode = 0;
37*4d495c6eSApple OSS Distributions
38*4d495c6eSApple OSS Distributions if (dpflags & O_DP_AUTHENTICATE) {
39*4d495c6eSApple OSS Distributions errno = EINVAL;
40*4d495c6eSApple OSS Distributions return -1;
41*4d495c6eSApple OSS Distributions }
42*4d495c6eSApple OSS Distributions
43*4d495c6eSApple OSS Distributions if (flags & O_CREAT) {
44*4d495c6eSApple OSS Distributions va_list ap;
45*4d495c6eSApple OSS Distributions va_start(ap, dpflags);
46*4d495c6eSApple OSS Distributions mode = va_arg(ap, int);
47*4d495c6eSApple OSS Distributions va_end(ap);
48*4d495c6eSApple OSS Distributions }
49*4d495c6eSApple OSS Distributions return __open_dprotected_np(path, flags, class, dpflags, mode);
50*4d495c6eSApple OSS Distributions }
51*4d495c6eSApple OSS Distributions
52*4d495c6eSApple OSS Distributions int
openat_dprotected_np(int fd,const char * path,int flags,int class,int dpflags,...)53*4d495c6eSApple OSS Distributions openat_dprotected_np(int fd, const char *path, int flags, int class, int dpflags, ...)
54*4d495c6eSApple OSS Distributions {
55*4d495c6eSApple OSS Distributions int mode = 0;
56*4d495c6eSApple OSS Distributions
57*4d495c6eSApple OSS Distributions if (dpflags & O_DP_AUTHENTICATE) {
58*4d495c6eSApple OSS Distributions errno = EINVAL;
59*4d495c6eSApple OSS Distributions return -1;
60*4d495c6eSApple OSS Distributions }
61*4d495c6eSApple OSS Distributions
62*4d495c6eSApple OSS Distributions if (flags & O_CREAT) {
63*4d495c6eSApple OSS Distributions va_list ap;
64*4d495c6eSApple OSS Distributions va_start(ap, dpflags);
65*4d495c6eSApple OSS Distributions mode = va_arg(ap, int);
66*4d495c6eSApple OSS Distributions va_end(ap);
67*4d495c6eSApple OSS Distributions }
68*4d495c6eSApple OSS Distributions return __openat_dprotected_np(fd, path, flags, class, dpflags, mode, AUTH_OPEN_NOAUTHFD);
69*4d495c6eSApple OSS Distributions }
70*4d495c6eSApple OSS Distributions
71*4d495c6eSApple OSS Distributions int
openat_authenticated_np(int fd,const char * path,int flags,int authfd)72*4d495c6eSApple OSS Distributions openat_authenticated_np(int fd, const char *path, int flags, int authfd)
73*4d495c6eSApple OSS Distributions {
74*4d495c6eSApple OSS Distributions if (flags & O_CREAT) {
75*4d495c6eSApple OSS Distributions errno = EINVAL;
76*4d495c6eSApple OSS Distributions return -1;
77*4d495c6eSApple OSS Distributions }
78*4d495c6eSApple OSS Distributions
79*4d495c6eSApple OSS Distributions if ((authfd != AUTH_OPEN_NOAUTHFD) && (authfd < 0)) {
80*4d495c6eSApple OSS Distributions errno = EBADF;
81*4d495c6eSApple OSS Distributions return -1;
82*4d495c6eSApple OSS Distributions }
83*4d495c6eSApple OSS Distributions
84*4d495c6eSApple OSS Distributions return __openat_dprotected_np(fd, path, flags, PROTECTION_CLASS_DEFAULT, O_DP_AUTHENTICATE, 0, authfd);
85*4d495c6eSApple OSS Distributions }
86