xref: /freebsd/lib/libkvm/tests/kvm_open2_test.c (revision 3494f7c0)
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/param.h>
27 #include <errno.h>
28 #include <fcntl.h>
29 #include <kvm.h>
30 #include <limits.h>
31 #include <paths.h>
32 #include <signal.h>
33 #include <stdio.h>
34 #include <stdlib.h>
35 #include <string.h>
36 
37 #include <atf-c.h>
38 
39 #include "kvm_test_common.h"
40 
41 ATF_TC_WITHOUT_HEAD(kvm_open2_negative_test_nonexistent_corefile);
42 ATF_TC_BODY(kvm_open2_negative_test_nonexistent_corefile, tc)
43 {
44 
45 	errbuf_clear();
46 	ATF_CHECK(kvm_open2(NULL, "/nonexistent", O_RDONLY, NULL, NULL) == NULL);
47 	ATF_CHECK(!errbuf_has_error(errbuf));
48 	errbuf_clear();
49 	ATF_CHECK(kvm_open2(NULL, "/nonexistent", O_RDONLY,
50 	    errbuf, NULL) == NULL);
51 	ATF_CHECK(errbuf_has_error(errbuf));
52 }
53 
54 ATF_TC_WITHOUT_HEAD(kvm_open2_negative_test_nonexistent_execfile);
55 ATF_TC_BODY(kvm_open2_negative_test_nonexistent_execfile, tc)
56 {
57 
58 	errbuf_clear();
59 	ATF_CHECK(kvm_open2("/nonexistent", _PATH_DEVZERO, O_RDONLY,
60 	    NULL, NULL) == NULL);
61 	ATF_CHECK(strlen(errbuf) == 0);
62 	errbuf_clear();
63 	ATF_CHECK(kvm_open2("/nonexistent", _PATH_DEVZERO, O_RDONLY,
64 	    errbuf, NULL) == NULL);
65 	ATF_CHECK(errbuf_has_error(errbuf));
66 }
67 
68 ATF_TC(kvm_open2_negative_test_invalid_corefile);
69 ATF_TC_HEAD(kvm_open2_negative_test_invalid_corefile, tc)
70 {
71 
72 	atf_tc_set_md_var(tc, "require.user", "root");
73 }
74 
75 ATF_TC_BODY(kvm_open2_negative_test_invalid_corefile, tc)
76 {
77 	kvm_t *kd;
78 
79 	errbuf_clear();
80 	atf_utils_create_file("some-file", "this is a text file");
81 	kd = kvm_open2(NULL, "some-file", O_RDONLY, errbuf, NULL);
82 	ATF_CHECK(errbuf_has_error(errbuf));
83 	ATF_REQUIRE_MSG(kd == NULL, "kvm_open2 succeeded");
84 }
85 
86 ATF_TC(kvm_open2_negative_test_invalid_execfile);
87 ATF_TC_HEAD(kvm_open2_negative_test_invalid_execfile, tc)
88 {
89 
90 	atf_tc_set_md_var(tc, "require.user", "root");
91 }
92 
93 ATF_TC_BODY(kvm_open2_negative_test_invalid_execfile, tc)
94 {
95 	kvm_t *kd;
96 
97 	errbuf_clear();
98 	atf_utils_create_file("some-file", "this is a text file");
99 	kd = kvm_open2("some-file", "/bin/sh", O_RDONLY, errbuf, NULL);
100 	ATF_CHECK(errbuf_has_error(errbuf));
101 	ATF_REQUIRE_MSG(kd == NULL, "kvm_open2 succeeded unexpectedly");
102 }
103 
104 ATF_TP_ADD_TCS(tp)
105 {
106 
107 	ATF_TP_ADD_TC(tp, kvm_open2_negative_test_invalid_corefile);
108 	ATF_TP_ADD_TC(tp, kvm_open2_negative_test_invalid_execfile);
109 	ATF_TP_ADD_TC(tp, kvm_open2_negative_test_nonexistent_corefile);
110 	ATF_TP_ADD_TC(tp, kvm_open2_negative_test_nonexistent_execfile);
111 
112 	return (atf_no_error());
113 }
114