1 /*- 2 * Copyright (c) 2017 Enji Cooper <ngie@freebsd.org> 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 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 20 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 21 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 22 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 23 * SUCH DAMAGE. 24 */ 25 26 #include <sys/cdefs.h> 27 __FBSDID("$FreeBSD$"); 28 29 #include <sys/param.h> 30 #include <errno.h> 31 #include <fcntl.h> 32 #include <kvm.h> 33 #include <limits.h> 34 #include <paths.h> 35 #include <signal.h> 36 #include <stdio.h> 37 #include <stdlib.h> 38 #include <string.h> 39 40 #include <atf-c.h> 41 42 #include "kvm_test_common.h" 43 44 ATF_TC_WITHOUT_HEAD(kvm_open2_negative_test_nonexistent_corefile); 45 ATF_TC_BODY(kvm_open2_negative_test_nonexistent_corefile, tc) 46 { 47 48 errbuf_clear(); 49 ATF_CHECK(kvm_open2(NULL, "/nonexistent", O_RDONLY, NULL, NULL) == NULL); 50 ATF_CHECK(!errbuf_has_error(errbuf)); 51 errbuf_clear(); 52 ATF_CHECK(kvm_open2(NULL, "/nonexistent", O_RDONLY, 53 errbuf, NULL) == NULL); 54 ATF_CHECK(errbuf_has_error(errbuf)); 55 } 56 57 ATF_TC_WITHOUT_HEAD(kvm_open2_negative_test_nonexistent_execfile); 58 ATF_TC_BODY(kvm_open2_negative_test_nonexistent_execfile, tc) 59 { 60 61 errbuf_clear(); 62 ATF_CHECK(kvm_open2("/nonexistent", _PATH_DEVZERO, O_RDONLY, 63 NULL, NULL) == NULL); 64 ATF_CHECK(strlen(errbuf) == 0); 65 errbuf_clear(); 66 ATF_CHECK(kvm_open2("/nonexistent", _PATH_DEVZERO, O_RDONLY, 67 errbuf, NULL) == NULL); 68 ATF_CHECK(errbuf_has_error(errbuf)); 69 } 70 71 ATF_TC(kvm_open2_negative_test_invalid_corefile); 72 ATF_TC_HEAD(kvm_open2_negative_test_invalid_corefile, tc) 73 { 74 75 atf_tc_set_md_var(tc, "require.user", "root"); 76 } 77 78 ATF_TC_BODY(kvm_open2_negative_test_invalid_corefile, tc) 79 { 80 kvm_t *kd; 81 82 errbuf_clear(); 83 atf_utils_create_file("some-file", "this is a text file"); 84 kd = kvm_open2(NULL, "some-file", O_RDONLY, errbuf, NULL); 85 ATF_CHECK(errbuf_has_error(errbuf)); 86 ATF_REQUIRE_MSG(kd == NULL, "kvm_open2 succeeded"); 87 } 88 89 ATF_TC(kvm_open2_negative_test_invalid_execfile); 90 ATF_TC_HEAD(kvm_open2_negative_test_invalid_execfile, tc) 91 { 92 93 atf_tc_set_md_var(tc, "require.user", "root"); 94 } 95 96 ATF_TC_BODY(kvm_open2_negative_test_invalid_execfile, tc) 97 { 98 kvm_t *kd; 99 100 errbuf_clear(); 101 atf_utils_create_file("some-file", "this is a text file"); 102 kd = kvm_open2("some-file", "/bin/sh", O_RDONLY, errbuf, NULL); 103 ATF_CHECK(errbuf_has_error(errbuf)); 104 ATF_REQUIRE_MSG(kd == NULL, "kvm_open2 succeeded unexpectedly"); 105 } 106 107 ATF_TP_ADD_TCS(tp) 108 { 109 110 ATF_TP_ADD_TC(tp, kvm_open2_negative_test_invalid_corefile); 111 ATF_TP_ADD_TC(tp, kvm_open2_negative_test_invalid_execfile); 112 ATF_TP_ADD_TC(tp, kvm_open2_negative_test_nonexistent_corefile); 113 ATF_TP_ADD_TC(tp, kvm_open2_negative_test_nonexistent_execfile); 114 115 return (atf_no_error()); 116 } 117