1*bbb1b6f9SApple OSS Distributions /*
2*bbb1b6f9SApple OSS Distributions * Copyright (c) 2011 Apple Inc. All rights reserved.
3*bbb1b6f9SApple OSS Distributions *
4*bbb1b6f9SApple OSS Distributions * @APPLE_LICENSE_HEADER_START@
5*bbb1b6f9SApple OSS Distributions *
6*bbb1b6f9SApple OSS Distributions * This file contains Original Code and/or Modifications of Original Code
7*bbb1b6f9SApple OSS Distributions * as defined in and that are subject to the Apple Public Source License
8*bbb1b6f9SApple OSS Distributions * Version 2.0 (the 'License'). You may not use this file except in
9*bbb1b6f9SApple OSS Distributions * compliance with the License. Please obtain a copy of the License at
10*bbb1b6f9SApple OSS Distributions * http://www.opensource.apple.com/apsl/ and read it before using this
11*bbb1b6f9SApple OSS Distributions * file.
12*bbb1b6f9SApple OSS Distributions *
13*bbb1b6f9SApple OSS Distributions * The Original Code and all software distributed under the License are
14*bbb1b6f9SApple OSS Distributions * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
15*bbb1b6f9SApple OSS Distributions * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
16*bbb1b6f9SApple OSS Distributions * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
17*bbb1b6f9SApple OSS Distributions * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
18*bbb1b6f9SApple OSS Distributions * Please see the License for the specific language governing rights and
19*bbb1b6f9SApple OSS Distributions * limitations under the License.
20*bbb1b6f9SApple OSS Distributions *
21*bbb1b6f9SApple OSS Distributions * @APPLE_LICENSE_HEADER_END@
22*bbb1b6f9SApple OSS Distributions */
23*bbb1b6f9SApple OSS Distributions #include <sys/cdefs.h>
24*bbb1b6f9SApple OSS Distributions #include <sys/types.h>
25*bbb1b6f9SApple OSS Distributions #include <stdarg.h>
26*bbb1b6f9SApple OSS Distributions #include <sys/fcntl.h>
27*bbb1b6f9SApple OSS Distributions #include <sys/errno.h>
28*bbb1b6f9SApple OSS Distributions #include <sys/content_protection.h>
29*bbb1b6f9SApple OSS Distributions
30*bbb1b6f9SApple OSS Distributions int __open_dprotected_np(const char* path, int flags, int class, int dpflags, int mode);
31*bbb1b6f9SApple OSS Distributions int __openat_dprotected_np(int fd, const char* path, int flags, int class, int dpflags, int mode, int authfd);
32*bbb1b6f9SApple OSS Distributions
33*bbb1b6f9SApple OSS Distributions int
open_dprotected_np(const char * path,int flags,int class,int dpflags,...)34*bbb1b6f9SApple OSS Distributions open_dprotected_np(const char *path, int flags, int class, int dpflags, ...)
35*bbb1b6f9SApple OSS Distributions {
36*bbb1b6f9SApple OSS Distributions int mode = 0;
37*bbb1b6f9SApple OSS Distributions
38*bbb1b6f9SApple OSS Distributions if (dpflags & O_DP_AUTHENTICATE) {
39*bbb1b6f9SApple OSS Distributions errno = EINVAL;
40*bbb1b6f9SApple OSS Distributions return -1;
41*bbb1b6f9SApple OSS Distributions }
42*bbb1b6f9SApple OSS Distributions
43*bbb1b6f9SApple OSS Distributions if (flags & O_CREAT) {
44*bbb1b6f9SApple OSS Distributions va_list ap;
45*bbb1b6f9SApple OSS Distributions va_start(ap, dpflags);
46*bbb1b6f9SApple OSS Distributions mode = va_arg(ap, int);
47*bbb1b6f9SApple OSS Distributions va_end(ap);
48*bbb1b6f9SApple OSS Distributions }
49*bbb1b6f9SApple OSS Distributions return __open_dprotected_np(path, flags, class, dpflags, mode);
50*bbb1b6f9SApple OSS Distributions }
51*bbb1b6f9SApple OSS Distributions
52*bbb1b6f9SApple OSS Distributions int
openat_dprotected_np(int fd,const char * path,int flags,int class,int dpflags,...)53*bbb1b6f9SApple OSS Distributions openat_dprotected_np(int fd, const char *path, int flags, int class, int dpflags, ...)
54*bbb1b6f9SApple OSS Distributions {
55*bbb1b6f9SApple OSS Distributions int mode = 0;
56*bbb1b6f9SApple OSS Distributions
57*bbb1b6f9SApple OSS Distributions if (dpflags & O_DP_AUTHENTICATE) {
58*bbb1b6f9SApple OSS Distributions errno = EINVAL;
59*bbb1b6f9SApple OSS Distributions return -1;
60*bbb1b6f9SApple OSS Distributions }
61*bbb1b6f9SApple OSS Distributions
62*bbb1b6f9SApple OSS Distributions if (flags & O_CREAT) {
63*bbb1b6f9SApple OSS Distributions va_list ap;
64*bbb1b6f9SApple OSS Distributions va_start(ap, dpflags);
65*bbb1b6f9SApple OSS Distributions mode = va_arg(ap, int);
66*bbb1b6f9SApple OSS Distributions va_end(ap);
67*bbb1b6f9SApple OSS Distributions }
68*bbb1b6f9SApple OSS Distributions return __openat_dprotected_np(fd, path, flags, class, dpflags, mode, AUTH_OPEN_NOAUTHFD);
69*bbb1b6f9SApple OSS Distributions }
70*bbb1b6f9SApple OSS Distributions
71*bbb1b6f9SApple OSS Distributions int
openat_authenticated_np(int fd,const char * path,int flags,int authfd)72*bbb1b6f9SApple OSS Distributions openat_authenticated_np(int fd, const char *path, int flags, int authfd)
73*bbb1b6f9SApple OSS Distributions {
74*bbb1b6f9SApple OSS Distributions if (flags & O_CREAT) {
75*bbb1b6f9SApple OSS Distributions errno = EINVAL;
76*bbb1b6f9SApple OSS Distributions return -1;
77*bbb1b6f9SApple OSS Distributions }
78*bbb1b6f9SApple OSS Distributions
79*bbb1b6f9SApple OSS Distributions if ((authfd != AUTH_OPEN_NOAUTHFD) && (authfd < 0)) {
80*bbb1b6f9SApple OSS Distributions errno = EBADF;
81*bbb1b6f9SApple OSS Distributions return -1;
82*bbb1b6f9SApple OSS Distributions }
83*bbb1b6f9SApple OSS Distributions
84*bbb1b6f9SApple OSS Distributions return __openat_dprotected_np(fd, path, flags, PROTECTION_CLASS_DEFAULT, O_DP_AUTHENTICATE, 0, authfd);
85*bbb1b6f9SApple OSS Distributions }
86