1 /*- 2 * Copyright (c) 2018 Aniket Pandey 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 14 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 16 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 17 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 18 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 19 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * SUCH DAMAGE. 24 */ 25 26 #include <sys/ioctl.h> 27 28 #include <bsm/libbsm.h> 29 #include <security/audit/audit_ioctl.h> 30 31 #include <atf-c.h> 32 #include <fcntl.h> 33 #include <unistd.h> 34 35 #include "utils.h" 36 37 static int filedesc; 38 static char ioregex[80]; 39 static const char *auclass = "io"; 40 static struct pollfd fds[1]; 41 static unsigned long request = AUDITPIPE_FLUSH; 42 43 44 ATF_TC_WITH_CLEANUP(ioctl_success); 45 ATF_TC_HEAD(ioctl_success, tc) 46 { 47 atf_tc_set_md_var(tc, "descr", "Tests the audit of a successful " 48 "ioctl(2) call"); 49 } 50 51 ATF_TC_BODY(ioctl_success, tc) 52 { 53 /* auditpipe(4) supports quite a few ioctls */ 54 ATF_REQUIRE((filedesc = open("/dev/auditpipe", O_RDONLY)) != -1); 55 /* Prepare the regex to be checked in the audit record */ 56 snprintf(ioregex, sizeof(ioregex), 57 "ioctl.*%#lx.*%#x.*return,success", request, filedesc); 58 59 FILE *pipefd = setup(fds, auclass); 60 ATF_REQUIRE(ioctl(filedesc, request) != -1); 61 check_audit(fds, ioregex, pipefd); 62 close(filedesc); 63 } 64 65 ATF_TC_CLEANUP(ioctl_success, tc) 66 { 67 cleanup(); 68 } 69 70 71 ATF_TC_WITH_CLEANUP(ioctl_failure); 72 ATF_TC_HEAD(ioctl_failure, tc) 73 { 74 atf_tc_set_md_var(tc, "descr", "Tests the audit of an unsuccessful " 75 "ioctl(2) call"); 76 } 77 78 ATF_TC_BODY(ioctl_failure, tc) 79 { 80 snprintf(ioregex, sizeof(ioregex), 81 "ioctl.*%#lx.*return,failure : Bad file descriptor", request); 82 83 FILE *pipefd = setup(fds, auclass); 84 /* Failure reason: Invalid file descriptor */ 85 ATF_REQUIRE_EQ(-1, ioctl(-1, request)); 86 check_audit(fds, ioregex, pipefd); 87 } 88 89 ATF_TC_CLEANUP(ioctl_failure, tc) 90 { 91 cleanup(); 92 } 93 94 95 ATF_TP_ADD_TCS(tp) 96 { 97 ATF_TP_ADD_TC(tp, ioctl_success); 98 ATF_TP_ADD_TC(tp, ioctl_failure); 99 100 return (atf_no_error()); 101 } 102