1*33de042dSApple OSS Distributions /*
2*33de042dSApple OSS Distributions * Copyright (c) 2011 Apple Inc. All rights reserved.
3*33de042dSApple OSS Distributions *
4*33de042dSApple OSS Distributions * @APPLE_LICENSE_HEADER_START@
5*33de042dSApple OSS Distributions *
6*33de042dSApple OSS Distributions * This file contains Original Code and/or Modifications of Original Code
7*33de042dSApple OSS Distributions * as defined in and that are subject to the Apple Public Source License
8*33de042dSApple OSS Distributions * Version 2.0 (the 'License'). You may not use this file except in
9*33de042dSApple OSS Distributions * compliance with the License. Please obtain a copy of the License at
10*33de042dSApple OSS Distributions * http://www.opensource.apple.com/apsl/ and read it before using this
11*33de042dSApple OSS Distributions * file.
12*33de042dSApple OSS Distributions *
13*33de042dSApple OSS Distributions * The Original Code and all software distributed under the License are
14*33de042dSApple OSS Distributions * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
15*33de042dSApple OSS Distributions * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
16*33de042dSApple OSS Distributions * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
17*33de042dSApple OSS Distributions * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
18*33de042dSApple OSS Distributions * Please see the License for the specific language governing rights and
19*33de042dSApple OSS Distributions * limitations under the License.
20*33de042dSApple OSS Distributions *
21*33de042dSApple OSS Distributions * @APPLE_LICENSE_HEADER_END@
22*33de042dSApple OSS Distributions */
23*33de042dSApple OSS Distributions #include <sys/cdefs.h>
24*33de042dSApple OSS Distributions #include <sys/types.h>
25*33de042dSApple OSS Distributions #include <stdarg.h>
26*33de042dSApple OSS Distributions #include <sys/fcntl.h>
27*33de042dSApple OSS Distributions #include <sys/errno.h>
28*33de042dSApple OSS Distributions #include <sys/content_protection.h>
29*33de042dSApple OSS Distributions
30*33de042dSApple OSS Distributions int __open_dprotected_np(const char* path, int flags, int class, int dpflags, int mode);
31*33de042dSApple OSS Distributions int __openat_dprotected_np(int fd, const char* path, int flags, int class, int dpflags, int mode, int authfd);
32*33de042dSApple OSS Distributions
33*33de042dSApple OSS Distributions int
open_dprotected_np(const char * path,int flags,int class,int dpflags,...)34*33de042dSApple OSS Distributions open_dprotected_np(const char *path, int flags, int class, int dpflags, ...)
35*33de042dSApple OSS Distributions {
36*33de042dSApple OSS Distributions int mode = 0;
37*33de042dSApple OSS Distributions
38*33de042dSApple OSS Distributions if (dpflags & O_DP_AUTHENTICATE) {
39*33de042dSApple OSS Distributions errno = EINVAL;
40*33de042dSApple OSS Distributions return -1;
41*33de042dSApple OSS Distributions }
42*33de042dSApple OSS Distributions
43*33de042dSApple OSS Distributions if (flags & O_CREAT) {
44*33de042dSApple OSS Distributions va_list ap;
45*33de042dSApple OSS Distributions va_start(ap, dpflags);
46*33de042dSApple OSS Distributions mode = va_arg(ap, int);
47*33de042dSApple OSS Distributions va_end(ap);
48*33de042dSApple OSS Distributions }
49*33de042dSApple OSS Distributions return __open_dprotected_np(path, flags, class, dpflags, mode);
50*33de042dSApple OSS Distributions }
51*33de042dSApple OSS Distributions
52*33de042dSApple OSS Distributions int
openat_dprotected_np(int fd,const char * path,int flags,int class,int dpflags,...)53*33de042dSApple OSS Distributions openat_dprotected_np(int fd, const char *path, int flags, int class, int dpflags, ...)
54*33de042dSApple OSS Distributions {
55*33de042dSApple OSS Distributions int mode = 0;
56*33de042dSApple OSS Distributions
57*33de042dSApple OSS Distributions if (dpflags & O_DP_AUTHENTICATE) {
58*33de042dSApple OSS Distributions errno = EINVAL;
59*33de042dSApple OSS Distributions return -1;
60*33de042dSApple OSS Distributions }
61*33de042dSApple OSS Distributions
62*33de042dSApple OSS Distributions if (flags & O_CREAT) {
63*33de042dSApple OSS Distributions va_list ap;
64*33de042dSApple OSS Distributions va_start(ap, dpflags);
65*33de042dSApple OSS Distributions mode = va_arg(ap, int);
66*33de042dSApple OSS Distributions va_end(ap);
67*33de042dSApple OSS Distributions }
68*33de042dSApple OSS Distributions return __openat_dprotected_np(fd, path, flags, class, dpflags, mode, AUTH_OPEN_NOAUTHFD);
69*33de042dSApple OSS Distributions }
70*33de042dSApple OSS Distributions
71*33de042dSApple OSS Distributions int
openat_authenticated_np(int fd,const char * path,int flags,int authfd)72*33de042dSApple OSS Distributions openat_authenticated_np(int fd, const char *path, int flags, int authfd)
73*33de042dSApple OSS Distributions {
74*33de042dSApple OSS Distributions if (flags & O_CREAT) {
75*33de042dSApple OSS Distributions errno = EINVAL;
76*33de042dSApple OSS Distributions return -1;
77*33de042dSApple OSS Distributions }
78*33de042dSApple OSS Distributions
79*33de042dSApple OSS Distributions if ((authfd != AUTH_OPEN_NOAUTHFD) && (authfd < 0)) {
80*33de042dSApple OSS Distributions errno = EBADF;
81*33de042dSApple OSS Distributions return -1;
82*33de042dSApple OSS Distributions }
83*33de042dSApple OSS Distributions
84*33de042dSApple OSS Distributions return __openat_dprotected_np(fd, path, flags, PROTECTION_CLASS_DEFAULT, O_DP_AUTHENTICATE, 0, authfd);
85*33de042dSApple OSS Distributions }
86