xref: /freebsd/lib/libkvm/tests/kvm_open_test.c (revision d0b2dbfa)
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_open_negative_test_nonexistent_corefile);
43 ATF_TC_BODY(kvm_open_negative_test_nonexistent_corefile, tc)
44 {
45 
46 	ATF_CHECK(kvm_open(NULL, "/nonexistent", NULL, O_RDONLY, NULL) == NULL);
47 	ATF_CHECK(kvm_open(NULL, "/nonexistent", NULL, O_RDONLY,
48 	    getprogname()) == NULL);
49 }
50 
51 ATF_TC_WITHOUT_HEAD(kvm_open_negative_test_nonexistent_execfile);
52 ATF_TC_BODY(kvm_open_negative_test_nonexistent_execfile, tc)
53 {
54 
55 	ATF_CHECK(kvm_open("/nonexistent", _PATH_DEVZERO, NULL, O_RDONLY,
56 	    NULL) == NULL);
57 	ATF_CHECK(kvm_open("/nonexistent", _PATH_DEVZERO, NULL, O_RDONLY,
58 	    getprogname()) == NULL);
59 }
60 
61 ATF_TC(kvm_open_negative_test_invalid_corefile);
62 ATF_TC_HEAD(kvm_open_negative_test_invalid_corefile, tc)
63 {
64 
65 	atf_tc_set_md_var(tc, "require.user", "root");
66 }
67 
68 ATF_TC_BODY(kvm_open_negative_test_invalid_corefile, tc)
69 {
70 	kvm_t *kd;
71 
72 	atf_utils_create_file("some-file", "this is a text file");
73 	kd = kvm_open(NULL, "some-file", NULL, O_RDONLY, getprogname());
74 	ATF_REQUIRE_MSG(kd == NULL, "kvm_open didn't return NULL on failure");
75 }
76 
77 ATF_TC(kvm_open_negative_test_invalid_execfile);
78 ATF_TC_HEAD(kvm_open_negative_test_invalid_execfile, tc)
79 {
80 
81 	atf_tc_set_md_var(tc, "require.user", "root");
82 }
83 
84 ATF_TC_BODY(kvm_open_negative_test_invalid_execfile, tc)
85 {
86 	kvm_t *kd;
87 
88 	atf_utils_create_file("some-file", "this is a text file");
89 	kd = kvm_open("some-file", "/bin/sh", NULL, O_RDONLY, getprogname());
90 	ATF_REQUIRE_MSG(kd == NULL, "kvm_open succeeded unexpectedly");
91 }
92 
93 ATF_TP_ADD_TCS(tp)
94 {
95 
96 	ATF_TP_ADD_TC(tp, kvm_open_negative_test_invalid_corefile);
97 	ATF_TP_ADD_TC(tp, kvm_open_negative_test_invalid_execfile);
98 	ATF_TP_ADD_TC(tp, kvm_open_negative_test_nonexistent_corefile);
99 	ATF_TP_ADD_TC(tp, kvm_open_negative_test_nonexistent_execfile);
100 
101 	return (atf_no_error());
102 }
103