1*8d741a5dSApple OSS Distributions /*
2*8d741a5dSApple OSS Distributions * Copyright (c) 2011 Apple Inc. All rights reserved.
3*8d741a5dSApple OSS Distributions *
4*8d741a5dSApple OSS Distributions * @APPLE_LICENSE_HEADER_START@
5*8d741a5dSApple OSS Distributions *
6*8d741a5dSApple OSS Distributions * This file contains Original Code and/or Modifications of Original Code
7*8d741a5dSApple OSS Distributions * as defined in and that are subject to the Apple Public Source License
8*8d741a5dSApple OSS Distributions * Version 2.0 (the 'License'). You may not use this file except in
9*8d741a5dSApple OSS Distributions * compliance with the License. Please obtain a copy of the License at
10*8d741a5dSApple OSS Distributions * http://www.opensource.apple.com/apsl/ and read it before using this
11*8d741a5dSApple OSS Distributions * file.
12*8d741a5dSApple OSS Distributions *
13*8d741a5dSApple OSS Distributions * The Original Code and all software distributed under the License are
14*8d741a5dSApple OSS Distributions * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
15*8d741a5dSApple OSS Distributions * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
16*8d741a5dSApple OSS Distributions * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
17*8d741a5dSApple OSS Distributions * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
18*8d741a5dSApple OSS Distributions * Please see the License for the specific language governing rights and
19*8d741a5dSApple OSS Distributions * limitations under the License.
20*8d741a5dSApple OSS Distributions *
21*8d741a5dSApple OSS Distributions * @APPLE_LICENSE_HEADER_END@
22*8d741a5dSApple OSS Distributions */
23*8d741a5dSApple OSS Distributions #include <sys/cdefs.h>
24*8d741a5dSApple OSS Distributions #include <sys/types.h>
25*8d741a5dSApple OSS Distributions #include <stdarg.h>
26*8d741a5dSApple OSS Distributions #include <sys/fcntl.h>
27*8d741a5dSApple OSS Distributions #include <sys/errno.h>
28*8d741a5dSApple OSS Distributions #include <sys/content_protection.h>
29*8d741a5dSApple OSS Distributions
30*8d741a5dSApple OSS Distributions int __open_dprotected_np(const char* path, int flags, int class, int dpflags, int mode);
31*8d741a5dSApple OSS Distributions int __openat_dprotected_np(int fd, const char* path, int flags, int class, int dpflags, int mode, int authfd);
32*8d741a5dSApple OSS Distributions
33*8d741a5dSApple OSS Distributions int
open_dprotected_np(const char * path,int flags,int class,int dpflags,...)34*8d741a5dSApple OSS Distributions open_dprotected_np(const char *path, int flags, int class, int dpflags, ...)
35*8d741a5dSApple OSS Distributions {
36*8d741a5dSApple OSS Distributions int mode = 0;
37*8d741a5dSApple OSS Distributions
38*8d741a5dSApple OSS Distributions if (dpflags & O_DP_AUTHENTICATE) {
39*8d741a5dSApple OSS Distributions errno = EINVAL;
40*8d741a5dSApple OSS Distributions return -1;
41*8d741a5dSApple OSS Distributions }
42*8d741a5dSApple OSS Distributions
43*8d741a5dSApple OSS Distributions if (flags & O_CREAT) {
44*8d741a5dSApple OSS Distributions va_list ap;
45*8d741a5dSApple OSS Distributions va_start(ap, dpflags);
46*8d741a5dSApple OSS Distributions mode = va_arg(ap, int);
47*8d741a5dSApple OSS Distributions va_end(ap);
48*8d741a5dSApple OSS Distributions }
49*8d741a5dSApple OSS Distributions return __open_dprotected_np(path, flags, class, dpflags, mode);
50*8d741a5dSApple OSS Distributions }
51*8d741a5dSApple OSS Distributions
52*8d741a5dSApple OSS Distributions int
openat_dprotected_np(int fd,const char * path,int flags,int class,int dpflags,...)53*8d741a5dSApple OSS Distributions openat_dprotected_np(int fd, const char *path, int flags, int class, int dpflags, ...)
54*8d741a5dSApple OSS Distributions {
55*8d741a5dSApple OSS Distributions int mode = 0;
56*8d741a5dSApple OSS Distributions
57*8d741a5dSApple OSS Distributions if (dpflags & O_DP_AUTHENTICATE) {
58*8d741a5dSApple OSS Distributions errno = EINVAL;
59*8d741a5dSApple OSS Distributions return -1;
60*8d741a5dSApple OSS Distributions }
61*8d741a5dSApple OSS Distributions
62*8d741a5dSApple OSS Distributions if (flags & O_CREAT) {
63*8d741a5dSApple OSS Distributions va_list ap;
64*8d741a5dSApple OSS Distributions va_start(ap, dpflags);
65*8d741a5dSApple OSS Distributions mode = va_arg(ap, int);
66*8d741a5dSApple OSS Distributions va_end(ap);
67*8d741a5dSApple OSS Distributions }
68*8d741a5dSApple OSS Distributions return __openat_dprotected_np(fd, path, flags, class, dpflags, mode, AUTH_OPEN_NOAUTHFD);
69*8d741a5dSApple OSS Distributions }
70*8d741a5dSApple OSS Distributions
71*8d741a5dSApple OSS Distributions int
openat_authenticated_np(int fd,const char * path,int flags,int authfd)72*8d741a5dSApple OSS Distributions openat_authenticated_np(int fd, const char *path, int flags, int authfd)
73*8d741a5dSApple OSS Distributions {
74*8d741a5dSApple OSS Distributions if (flags & O_CREAT) {
75*8d741a5dSApple OSS Distributions errno = EINVAL;
76*8d741a5dSApple OSS Distributions return -1;
77*8d741a5dSApple OSS Distributions }
78*8d741a5dSApple OSS Distributions
79*8d741a5dSApple OSS Distributions if ((authfd != AUTH_OPEN_NOAUTHFD) && (authfd < 0)) {
80*8d741a5dSApple OSS Distributions errno = EBADF;
81*8d741a5dSApple OSS Distributions return -1;
82*8d741a5dSApple OSS Distributions }
83*8d741a5dSApple OSS Distributions
84*8d741a5dSApple OSS Distributions return __openat_dprotected_np(fd, path, flags, PROTECTION_CLASS_DEFAULT, O_DP_AUTHENTICATE, 0, authfd);
85*8d741a5dSApple OSS Distributions }
86