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 #include <sys/param.h> 28 #include <errno.h> 29 #include <fcntl.h> 30 #include <kvm.h> 31 #include <limits.h> 32 #include <paths.h> 33 #include <signal.h> 34 #include <stdio.h> 35 #include <stdlib.h> 36 #include <string.h> 37 38 #include <atf-c.h> 39 40 #include "kvm_test_common.h" 41 42 ATF_TC_WITHOUT_HEAD(kvm_open2_negative_test_nonexistent_corefile); 43 ATF_TC_BODY(kvm_open2_negative_test_nonexistent_corefile, tc) 44 { 45 46 errbuf_clear(); 47 ATF_CHECK(kvm_open2(NULL, "/nonexistent", O_RDONLY, NULL, NULL) == NULL); 48 ATF_CHECK(!errbuf_has_error(errbuf)); 49 errbuf_clear(); 50 ATF_CHECK(kvm_open2(NULL, "/nonexistent", O_RDONLY, 51 errbuf, NULL) == NULL); 52 ATF_CHECK(errbuf_has_error(errbuf)); 53 } 54 55 ATF_TC_WITHOUT_HEAD(kvm_open2_negative_test_nonexistent_execfile); 56 ATF_TC_BODY(kvm_open2_negative_test_nonexistent_execfile, tc) 57 { 58 59 errbuf_clear(); 60 ATF_CHECK(kvm_open2("/nonexistent", _PATH_DEVZERO, O_RDONLY, 61 NULL, NULL) == NULL); 62 ATF_CHECK(strlen(errbuf) == 0); 63 errbuf_clear(); 64 ATF_CHECK(kvm_open2("/nonexistent", _PATH_DEVZERO, O_RDONLY, 65 errbuf, NULL) == NULL); 66 ATF_CHECK(errbuf_has_error(errbuf)); 67 } 68 69 ATF_TC(kvm_open2_negative_test_invalid_corefile); 70 ATF_TC_HEAD(kvm_open2_negative_test_invalid_corefile, tc) 71 { 72 73 atf_tc_set_md_var(tc, "require.user", "root"); 74 } 75 76 ATF_TC_BODY(kvm_open2_negative_test_invalid_corefile, tc) 77 { 78 kvm_t *kd; 79 80 errbuf_clear(); 81 atf_utils_create_file("some-file", "this is a text file"); 82 kd = kvm_open2(NULL, "some-file", O_RDONLY, errbuf, NULL); 83 ATF_CHECK(errbuf_has_error(errbuf)); 84 ATF_REQUIRE_MSG(kd == NULL, "kvm_open2 succeeded"); 85 } 86 87 ATF_TC(kvm_open2_negative_test_invalid_execfile); 88 ATF_TC_HEAD(kvm_open2_negative_test_invalid_execfile, tc) 89 { 90 91 atf_tc_set_md_var(tc, "require.user", "root"); 92 } 93 94 ATF_TC_BODY(kvm_open2_negative_test_invalid_execfile, tc) 95 { 96 kvm_t *kd; 97 98 errbuf_clear(); 99 atf_utils_create_file("some-file", "this is a text file"); 100 kd = kvm_open2("some-file", "/bin/sh", O_RDONLY, errbuf, NULL); 101 ATF_CHECK(errbuf_has_error(errbuf)); 102 ATF_REQUIRE_MSG(kd == NULL, "kvm_open2 succeeded unexpectedly"); 103 } 104 105 ATF_TP_ADD_TCS(tp) 106 { 107 108 ATF_TP_ADD_TC(tp, kvm_open2_negative_test_invalid_corefile); 109 ATF_TP_ADD_TC(tp, kvm_open2_negative_test_invalid_execfile); 110 ATF_TP_ADD_TC(tp, kvm_open2_negative_test_nonexistent_corefile); 111 ATF_TP_ADD_TC(tp, kvm_open2_negative_test_nonexistent_execfile); 112 113 return (atf_no_error()); 114 } 115