1 /*- 2 * Copyright (c) 2017 Ngie Cooper <ngie@freebsd.org> 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 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 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 */ 26 27 #include <sys/cdefs.h> 28 __FBSDID("$FreeBSD$"); 29 30 #include <sys/param.h> 31 #include <errno.h> 32 #include <fcntl.h> 33 #include <kvm.h> 34 #include <limits.h> 35 #include <paths.h> 36 #include <signal.h> 37 #include <stdio.h> 38 #include <stdlib.h> 39 #include <string.h> 40 41 #include <atf-c.h> 42 43 #include "kvm_test_common.h" 44 45 ATF_TC_WITHOUT_HEAD(kvm_open2_negative_test_nonexistent_corefile); 46 ATF_TC_BODY(kvm_open2_negative_test_nonexistent_corefile, tc) 47 { 48 49 errbuf_clear(); 50 ATF_CHECK(kvm_open2(NULL, "/nonexistent", O_RDONLY, NULL, NULL) == NULL); 51 ATF_CHECK(!errbuf_has_error(errbuf)); 52 errbuf_clear(); 53 ATF_CHECK(kvm_open2(NULL, "/nonexistent", O_RDONLY, 54 errbuf, NULL) == NULL); 55 ATF_CHECK(errbuf_has_error(errbuf)); 56 } 57 58 ATF_TC_WITHOUT_HEAD(kvm_open2_negative_test_nonexistent_execfile); 59 ATF_TC_BODY(kvm_open2_negative_test_nonexistent_execfile, tc) 60 { 61 62 errbuf_clear(); 63 ATF_CHECK(kvm_open2("/nonexistent", _PATH_DEVZERO, O_RDONLY, 64 NULL, NULL) == NULL); 65 ATF_CHECK(strlen(errbuf) == 0); 66 errbuf_clear(); 67 ATF_CHECK(kvm_open2("/nonexistent", _PATH_DEVZERO, O_RDONLY, 68 errbuf, NULL) == NULL); 69 ATF_CHECK(errbuf_has_error(errbuf)); 70 } 71 72 ATF_TC(kvm_open2_negative_test_invalid_corefile); 73 ATF_TC_HEAD(kvm_open2_negative_test_invalid_corefile, tc) 74 { 75 76 atf_tc_set_md_var(tc, "require.user", "root"); 77 } 78 79 ATF_TC_BODY(kvm_open2_negative_test_invalid_corefile, tc) 80 { 81 kvm_t *kd; 82 83 errbuf_clear(); 84 atf_utils_create_file("some-file", "this is a text file"); 85 kd = kvm_open2(NULL, "some-file", O_RDONLY, errbuf, NULL); 86 ATF_CHECK(errbuf_has_error(errbuf)); 87 ATF_REQUIRE_MSG(kd == NULL, "kvm_open2 succeeded"); 88 } 89 90 ATF_TC(kvm_open2_negative_test_invalid_execfile); 91 ATF_TC_HEAD(kvm_open2_negative_test_invalid_execfile, tc) 92 { 93 94 atf_tc_set_md_var(tc, "require.user", "root"); 95 } 96 97 ATF_TC_BODY(kvm_open2_negative_test_invalid_execfile, tc) 98 { 99 kvm_t *kd; 100 101 errbuf_clear(); 102 atf_utils_create_file("some-file", "this is a text file"); 103 kd = kvm_open2("some-file", "/bin/sh", O_RDONLY, errbuf, NULL); 104 ATF_CHECK(errbuf_has_error(errbuf)); 105 ATF_REQUIRE_MSG(kd == NULL, "kvm_open2 succeeded unexpectedly"); 106 } 107 108 ATF_TP_ADD_TCS(tp) 109 { 110 111 ATF_TP_ADD_TC(tp, kvm_open2_negative_test_invalid_corefile); 112 ATF_TP_ADD_TC(tp, kvm_open2_negative_test_invalid_execfile); 113 ATF_TP_ADD_TC(tp, kvm_open2_negative_test_nonexistent_corefile); 114 ATF_TP_ADD_TC(tp, kvm_open2_negative_test_nonexistent_execfile); 115 116 return (atf_no_error()); 117 } 118