xref: /freebsd/lib/libkvm/tests/kvm_open_test.c (revision 95ee2897e98f5d444f26ed2334cc7c439f9c16c6)
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_open_negative_test_nonexistent_corefile);
45 ATF_TC_BODY(kvm_open_negative_test_nonexistent_corefile, tc)
46 {
47 
48 	ATF_CHECK(kvm_open(NULL, "/nonexistent", NULL, O_RDONLY, NULL) == NULL);
49 	ATF_CHECK(kvm_open(NULL, "/nonexistent", NULL, O_RDONLY,
50 	    getprogname()) == NULL);
51 }
52 
53 ATF_TC_WITHOUT_HEAD(kvm_open_negative_test_nonexistent_execfile);
54 ATF_TC_BODY(kvm_open_negative_test_nonexistent_execfile, tc)
55 {
56 
57 	ATF_CHECK(kvm_open("/nonexistent", _PATH_DEVZERO, NULL, O_RDONLY,
58 	    NULL) == NULL);
59 	ATF_CHECK(kvm_open("/nonexistent", _PATH_DEVZERO, NULL, O_RDONLY,
60 	    getprogname()) == NULL);
61 }
62 
63 ATF_TC(kvm_open_negative_test_invalid_corefile);
64 ATF_TC_HEAD(kvm_open_negative_test_invalid_corefile, tc)
65 {
66 
67 	atf_tc_set_md_var(tc, "require.user", "root");
68 }
69 
70 ATF_TC_BODY(kvm_open_negative_test_invalid_corefile, tc)
71 {
72 	kvm_t *kd;
73 
74 	atf_utils_create_file("some-file", "this is a text file");
75 	kd = kvm_open(NULL, "some-file", NULL, O_RDONLY, getprogname());
76 	ATF_REQUIRE_MSG(kd == NULL, "kvm_open didn't return NULL on failure");
77 }
78 
79 ATF_TC(kvm_open_negative_test_invalid_execfile);
80 ATF_TC_HEAD(kvm_open_negative_test_invalid_execfile, tc)
81 {
82 
83 	atf_tc_set_md_var(tc, "require.user", "root");
84 }
85 
86 ATF_TC_BODY(kvm_open_negative_test_invalid_execfile, tc)
87 {
88 	kvm_t *kd;
89 
90 	atf_utils_create_file("some-file", "this is a text file");
91 	kd = kvm_open("some-file", "/bin/sh", NULL, O_RDONLY, getprogname());
92 	ATF_REQUIRE_MSG(kd == NULL, "kvm_open succeeded unexpectedly");
93 }
94 
95 ATF_TP_ADD_TCS(tp)
96 {
97 
98 	ATF_TP_ADD_TC(tp, kvm_open_negative_test_invalid_corefile);
99 	ATF_TP_ADD_TC(tp, kvm_open_negative_test_invalid_execfile);
100 	ATF_TP_ADD_TC(tp, kvm_open_negative_test_nonexistent_corefile);
101 	ATF_TP_ADD_TC(tp, kvm_open_negative_test_nonexistent_execfile);
102 
103 	return (atf_no_error());
104 }
105