xref: /freebsd/lib/libkvm/tests/kvm_open_test.c (revision a03411e84728e9b267056fd31c7d1d9d1dc1b01e)
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_open_negative_test_nonexistent_corefile);
42 ATF_TC_BODY(kvm_open_negative_test_nonexistent_corefile, tc)
43 {
44 
45 	ATF_CHECK(kvm_open(NULL, "/nonexistent", NULL, O_RDONLY, NULL) == NULL);
46 	ATF_CHECK(kvm_open(NULL, "/nonexistent", NULL, O_RDONLY,
47 	    getprogname()) == NULL);
48 }
49 
50 ATF_TC_WITHOUT_HEAD(kvm_open_negative_test_nonexistent_execfile);
51 ATF_TC_BODY(kvm_open_negative_test_nonexistent_execfile, tc)
52 {
53 
54 	ATF_CHECK(kvm_open("/nonexistent", _PATH_DEVZERO, NULL, O_RDONLY,
55 	    NULL) == NULL);
56 	ATF_CHECK(kvm_open("/nonexistent", _PATH_DEVZERO, NULL, O_RDONLY,
57 	    getprogname()) == NULL);
58 }
59 
60 ATF_TC(kvm_open_negative_test_invalid_corefile);
61 ATF_TC_HEAD(kvm_open_negative_test_invalid_corefile, tc)
62 {
63 
64 	atf_tc_set_md_var(tc, "require.user", "root");
65 }
66 
67 ATF_TC_BODY(kvm_open_negative_test_invalid_corefile, tc)
68 {
69 	kvm_t *kd;
70 
71 	atf_utils_create_file("some-file", "this is a text file");
72 	kd = kvm_open(NULL, "some-file", NULL, O_RDONLY, getprogname());
73 	ATF_REQUIRE_MSG(kd == NULL, "kvm_open didn't return NULL on failure");
74 }
75 
76 ATF_TC(kvm_open_negative_test_invalid_execfile);
77 ATF_TC_HEAD(kvm_open_negative_test_invalid_execfile, tc)
78 {
79 
80 	atf_tc_set_md_var(tc, "require.user", "root");
81 }
82 
83 ATF_TC_BODY(kvm_open_negative_test_invalid_execfile, tc)
84 {
85 	kvm_t *kd;
86 
87 	atf_utils_create_file("some-file", "this is a text file");
88 	kd = kvm_open("some-file", "/bin/sh", NULL, O_RDONLY, getprogname());
89 	ATF_REQUIRE_MSG(kd == NULL, "kvm_open succeeded unexpectedly");
90 }
91 
92 ATF_TP_ADD_TCS(tp)
93 {
94 
95 	ATF_TP_ADD_TC(tp, kvm_open_negative_test_invalid_corefile);
96 	ATF_TP_ADD_TC(tp, kvm_open_negative_test_invalid_execfile);
97 	ATF_TP_ADD_TC(tp, kvm_open_negative_test_nonexistent_corefile);
98 	ATF_TP_ADD_TC(tp, kvm_open_negative_test_nonexistent_execfile);
99 
100 	return (atf_no_error());
101 }
102