xref: /freebsd/lib/libkvm/tests/kvm_open_test.c (revision d93a896ef95946b0bf1219866fcb324b78543444)
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_open_negative_test_nonexistent_corefile);
46 ATF_TC_BODY(kvm_open_negative_test_nonexistent_corefile, tc)
47 {
48 
49 	ATF_CHECK(kvm_open(NULL, "/nonexistent", NULL, O_RDONLY, NULL) == NULL);
50 	ATF_CHECK(kvm_open(NULL, "/nonexistent", NULL, O_RDONLY,
51 	    getprogname()) == NULL);
52 }
53 
54 ATF_TC_WITHOUT_HEAD(kvm_open_negative_test_nonexistent_execfile);
55 ATF_TC_BODY(kvm_open_negative_test_nonexistent_execfile, tc)
56 {
57 
58 	ATF_CHECK(kvm_open("/nonexistent", _PATH_DEVZERO, NULL, O_RDONLY,
59 	    NULL) == NULL);
60 	ATF_CHECK(kvm_open("/nonexistent", _PATH_DEVZERO, NULL, O_RDONLY,
61 	    getprogname()) == NULL);
62 }
63 
64 ATF_TC(kvm_open_negative_test_invalid_corefile);
65 ATF_TC_HEAD(kvm_open_negative_test_invalid_corefile, tc)
66 {
67 
68 	atf_tc_set_md_var(tc, "require.user", "root");
69 }
70 
71 ATF_TC_BODY(kvm_open_negative_test_invalid_corefile, tc)
72 {
73 	kvm_t *kd;
74 
75 	atf_utils_create_file("some-file", "this is a text file");
76 	kd = kvm_open(NULL, "some-file", NULL, O_RDONLY, getprogname());
77 	ATF_REQUIRE_MSG(kd == NULL, "kvm_open didn't return NULL on failure");
78 }
79 
80 ATF_TC(kvm_open_negative_test_invalid_execfile);
81 ATF_TC_HEAD(kvm_open_negative_test_invalid_execfile, tc)
82 {
83 
84 	atf_tc_set_md_var(tc, "require.user", "root");
85 }
86 
87 ATF_TC_BODY(kvm_open_negative_test_invalid_execfile, tc)
88 {
89 	kvm_t *kd;
90 
91 	atf_utils_create_file("some-file", "this is a text file");
92 	kd = kvm_open("some-file", "/bin/sh", NULL, O_RDONLY, getprogname());
93 	ATF_REQUIRE_MSG(kd == NULL, "kvm_open succeeded unexpectedly");
94 }
95 
96 ATF_TP_ADD_TCS(tp)
97 {
98 
99 	ATF_TP_ADD_TC(tp, kvm_open_negative_test_invalid_corefile);
100 	ATF_TP_ADD_TC(tp, kvm_open_negative_test_invalid_execfile);
101 	ATF_TP_ADD_TC(tp, kvm_open_negative_test_nonexistent_corefile);
102 	ATF_TP_ADD_TC(tp, kvm_open_negative_test_nonexistent_execfile);
103 
104 	return (atf_no_error());
105 }
106