4 * Copyright (c) 2011, 2012, 2013, 2015, Juniper Networks, Inc.
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
21 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
22 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
23 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
24 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 #include <sys/cdefs.h>
30 #include <sys/types.h>
31 #include <sys/errno.h>
41 #include <security/mac_veriexec/mac_veriexec.h>
43 #include "libveriexec.h"
47 check_fd_mode(int fd, unsigned int mask)
51 if (fstat(fd, &st) < 0)
54 if ((st.st_mode & mask) == 0)
61 veriexec_check_fd_mode(int fd, unsigned int mask)
70 error = mac_syscall(MAC_VERIEXEC_NAME, MAC_VERIEXEC_CHECK_FD_SYSCALL,
71 (void *)(intptr_t)fd);
74 case ENOSYS: /* veriexec not loaded */
75 error = 0; /* ignore */
79 if (mask && error == 0)
80 error = check_fd_mode(fd, mask);
86 veriexec_check_path_mode(const char *file, unsigned int mask)
98 if ((fd = open(file, O_RDONLY)) < 0)
101 error = veriexec_check_fd_mode(fd, mask);
106 error = mac_syscall(MAC_VERIEXEC_NAME, MAC_VERIEXEC_CHECK_PATH_SYSCALL,
107 __DECONST(void *, file));
110 case ENOSYS: /* veriexec not loaded */
111 error = 0; /* ignore */
119 veriexec_check_fd(int fd)
121 return veriexec_check_fd_mode(fd, 0);
125 veriexec_check_path(const char *file)
127 return veriexec_check_path_mode(file, 0);
130 #if defined(MAIN) || defined(UNIT_TEST)
132 main(int argc __unused, char *argv[] __unused)
138 error = veriexec_check_path(*argv);