lib/libkvm/tests/kvm_open2_test.c

   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_open2_negative_test_nonexistent_corefile);
  46 ATF_TC_BODY(kvm_open2_negative_test_nonexistent_corefile, tc)
  47 {
  48
  49         errbuf_clear();
  50         ATF_CHECK(kvm_open2(NULL, "/nonexistent", O_RDONLY, NULL, NULL) == NULL);
  51         ATF_CHECK(!errbuf_has_error(errbuf));
  52         errbuf_clear();
  53         ATF_CHECK(kvm_open2(NULL, "/nonexistent", O_RDONLY,
  54             errbuf, NULL) == NULL);
  55         ATF_CHECK(errbuf_has_error(errbuf));
  56 }
  57
  58 ATF_TC_WITHOUT_HEAD(kvm_open2_negative_test_nonexistent_execfile);
  59 ATF_TC_BODY(kvm_open2_negative_test_nonexistent_execfile, tc)
  60 {
  61
  62         errbuf_clear();
  63         ATF_CHECK(kvm_open2("/nonexistent", _PATH_DEVZERO, O_RDONLY,
  64             NULL, NULL) == NULL);
  65         ATF_CHECK(strlen(errbuf) == 0);
  66         errbuf_clear();
  67         ATF_CHECK(kvm_open2("/nonexistent", _PATH_DEVZERO, O_RDONLY,
  68             errbuf, NULL) == NULL);
  69         ATF_CHECK(errbuf_has_error(errbuf));
  70 }
  71
  72 ATF_TC(kvm_open2_negative_test_invalid_corefile);
  73 ATF_TC_HEAD(kvm_open2_negative_test_invalid_corefile, tc)
  74 {
  75
  76         atf_tc_set_md_var(tc, "require.user", "root");
  77 }
  78
  79 ATF_TC_BODY(kvm_open2_negative_test_invalid_corefile, tc)
  80 {
  81         kvm_t *kd;
  82
  83         errbuf_clear();
  84         atf_utils_create_file("some-file", "this is a text file");
  85         kd = kvm_open2(NULL, "some-file", O_RDONLY, errbuf, NULL);
  86         ATF_CHECK(errbuf_has_error(errbuf));
  87         ATF_REQUIRE_MSG(kd == NULL, "kvm_open2 succeeded");
  88 }
  89
  90 ATF_TC(kvm_open2_negative_test_invalid_execfile);
  91 ATF_TC_HEAD(kvm_open2_negative_test_invalid_execfile, tc)
  92 {
  93
  94         atf_tc_set_md_var(tc, "require.user", "root");
  95 }
  96
  97 ATF_TC_BODY(kvm_open2_negative_test_invalid_execfile, tc)
  98 {
  99         kvm_t *kd;
 100
 101         errbuf_clear();
 102         atf_utils_create_file("some-file", "this is a text file");
 103         kd = kvm_open2("some-file", "/bin/sh", O_RDONLY, errbuf, NULL);
 104         ATF_CHECK(errbuf_has_error(errbuf));
 105         ATF_REQUIRE_MSG(kd == NULL, "kvm_open2 succeeded unexpectedly");
 106 }
 107
 108 ATF_TP_ADD_TCS(tp)
 109 {
 110
 111         ATF_TP_ADD_TC(tp, kvm_open2_negative_test_invalid_corefile);
 112         ATF_TP_ADD_TC(tp, kvm_open2_negative_test_invalid_execfile);
 113         ATF_TP_ADD_TC(tp, kvm_open2_negative_test_nonexistent_corefile);
 114         ATF_TP_ADD_TC(tp, kvm_open2_negative_test_nonexistent_execfile);
 115
 116         return (atf_no_error());
 117 }